diff options
Diffstat (limited to 'lib/ssh')
60 files changed, 3187 insertions, 2979 deletions
diff --git a/lib/ssh/doc/src/book.xml b/lib/ssh/doc/src/book.xml index 3c2375f96d..c031d872d7 100644 --- a/lib/ssh/doc/src/book.xml +++ b/lib/ssh/doc/src/book.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE book SYSTEM "book.dtd"> <book xmlns:xi="http://www.w3.org/2001/XInclude"> <header titlestyle="normal"> <copyright> - <year>2005</year><year>2012</year> + <year>2005</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/ssh/doc/src/fascicules.xml b/lib/ssh/doc/src/fascicules.xml index 069d9002e0..7e99398c16 100644 --- a/lib/ssh/doc/src/fascicules.xml +++ b/lib/ssh/doc/src/fascicules.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE fascicules SYSTEM "fascicules.dtd"> <fascicules> diff --git a/lib/ssh/doc/src/introduction.xml b/lib/ssh/doc/src/introduction.xml index e76aa20d64..b42910cb34 100644 --- a/lib/ssh/doc/src/introduction.xml +++ b/lib/ssh/doc/src/introduction.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE chapter SYSTEM "chapter.dtd"> <chapter> diff --git a/lib/ssh/doc/src/notes.xml b/lib/ssh/doc/src/notes.xml index 299dd5058a..0d88cbda7a 100644 --- a/lib/ssh/doc/src/notes.xml +++ b/lib/ssh/doc/src/notes.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE chapter SYSTEM "chapter.dtd"> <chapter> @@ -29,6 +29,113 @@ <file>notes.xml</file> </header> +<section><title>Ssh 3.0</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + The ssh cli is now faster at close and before new prompt.</p> + <p> + Own Id: OTP-11339 Aux Id: seq12423 </p> + </item> + <item> + <p> + Ssh process structure was redesigned to better map to + what is truly parallel this has solved a lot of strange + timing issues that sometimes would occur, for instance a + process leak could happen when a lot of connections where + taken up and down in parallel in a short period of time. + Also backwards compatible clauses to "original" but never + supported features has been removed.</p> + <p> + Impact: Increases flow efficiency</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-11363</p> + </item> + <item> + <p> + Fix various typos in erts, kernel and ssh. Thanks to + Martin Hässler.</p> + <p> + Own Id: OTP-11414</p> + </item> + <item> + <p> + Correct private_key type documentation in + ssh_server_key_api. Thanks to Tristan Sloughter.</p> + <p> + Own Id: OTP-11449</p> + </item> + <item> + <p> + The functions in ssh_no_io.erl did not mimic the + functions in ssh_io.erl correctly, the arity was + incorrect for some functions which caused ssh to fail in + the wrong way.</p> + <p> + Own Id: OTP-11490</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Add option to disallow CLI</p> + <p> + Own Id: OTP-10976</p> + </item> + <item> + <p> + Add sockname and user to ssh:connection_info/2</p> + <p> + Own Id: OTP-11296</p> + </item> + </list> + </section> + +</section> + +<section><title>Ssh 2.1.8</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Do not chmod ~/.ssh unnecessarily.</p> + <p> + Own Id: OTP-11189</p> + </item> + <item> + <p> + Make ssh_cli.erl handle CTRL+C. Thanks to Stefan + Zegenhagen.</p> + <p> + Own Id: OTP-11199</p> + </item> + <item> + <p> + Clarified timeout options in documentation.</p> + <p> + Own Id: OTP-11249</p> + </item> + <item> + <p> + Add openssh_zlib compression type to ssh_transport. + Thanks to Louis-Philippe Gauthier.</p> + <p> + Own Id: OTP-11256</p> + </item> + </list> + </section> + +</section> + <section><title>Ssh 2.1.7</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -138,7 +245,7 @@ <item> <p> Fix link to documentation for ssh:connect/3,4. Thanks to - Martin H�ssler.</p> + Martin Hässler.</p> <p> Own Id: OTP-10862</p> </item> diff --git a/lib/ssh/doc/src/part_notes.xml b/lib/ssh/doc/src/part_notes.xml index 1b47a12021..c5cc163717 100644 --- a/lib/ssh/doc/src/part_notes.xml +++ b/lib/ssh/doc/src/part_notes.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE part SYSTEM "part.dtd"> <part xmlns:xi="http://www.w3.org/2001/XInclude"> <header> <copyright> - <year>2004</year><year>2010</year> + <year>2004</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/ssh/doc/src/ref_man.xml b/lib/ssh/doc/src/ref_man.xml index 88203b5034..55339298e8 100644 --- a/lib/ssh/doc/src/ref_man.xml +++ b/lib/ssh/doc/src/ref_man.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE application SYSTEM "application.dtd"> <application xmlns:xi="http://www.w3.org/2001/XInclude"> <header> <copyright> - <year>2004</year><year>2012</year> + <year>2004</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/ssh/doc/src/ssh.xml b/lib/ssh/doc/src/ssh.xml index 141d3df38e..5d5f2e5b91 100644 --- a/lib/ssh/doc/src/ssh.xml +++ b/lib/ssh/doc/src/ssh.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> @@ -38,6 +38,8 @@ <item>Supported SSH version is 2.0 </item> <item>Supported MAC algorithms: hmac-sha1</item> <item>Supported encryption algorithms: aes128-cb and 3des-cbc</item> + <item>Supports unicode filenames if the emulator and the underlaying OS supports it. See the DESCRIPTION section in <seealso marker="kernel:file">file</seealso> for information about this subject</item> + <item>Supports unicode in shell and cli</item> </list> </section> @@ -53,8 +55,7 @@ returned by ssh:daemon/[1,2,3]</c></p> <p><c>ssh_connection_ref() - opaque to the user returned by ssh:connect/3</c></p> - <p><c>ip_address() - {N1,N2,N3,N4} % IPv4 | - {K1,K2,K3,K4,K5,K6,K7,K8} % IPv6</c></p> + <p><c>ip_address() - inet::ip_address()</c></p> <p><c>subsystem_spec() = {subsystem_name(), {channel_callback(), channel_init_args()}} </c></p> <p><c>subsystem_name() = string() </c></p> @@ -141,7 +142,7 @@ <p>Sets the preferred public key algorithm to use for user authentication. If the the preferred algorithm fails for some reason, the other algorithm is tried. The default is - to try <c><![CDATA[ssh_rsa]]></c> first.</p> + to try <c><![CDATA['ssh-rsa']]></c> first.</p> </item> <tag><c><![CDATA[{pref_public_key_algs, list()}]]></c></tag> <item> @@ -181,10 +182,6 @@ <item> <p>Allow an existing file descriptor to be used (simply passed on to the transport protocol).</p></item> - <tag><c><![CDATA[{ipv6_disabled, boolean()}]]></c></tag> - <item> - <p>Determines if SSH shall use IPv6 or not.</p> - </item> <tag><c><![CDATA[{rekey_limit, integer()}]]></c></tag> <item> <p>Provide, in bytes, when rekeying should be initiated, @@ -202,8 +199,11 @@ Value}] </name> <fsummary> Retrieves information about a connection. </fsummary> <type> - <v>Option = client_version | server_version | peer</v> - <v>Value = term() </v> + <v>Option = client_version | server_version | user | peer | sockname </v> + <v>Value = [option_value()] </v> + <v>option_value() = {{Major::integer(), Minor::integer()}, VersionString::string()} | User::string() | + Peer::{inet:hostname(), {inet::ip_adress(), inet::port_number()}} | + Sockname::{inet::ip_adress(), inet::port_number()} () </v> </type> <desc> <p> Retrieves information about a connection. @@ -248,14 +248,15 @@ requested by the client. Default is to use the erlang shell: <c><![CDATA[{shell, start, []}]]></c> </item> - <tag><c><![CDATA[{ssh_cli,{channel_callback(), - channel_init_args()}}]]></c></tag> + <tag><c><![CDATA[{ssh_cli, {channel_callback(), + channel_init_args()} | no_cli}]]></c></tag> <item> - Provides your own cli implementation, i.e. a channel callback + Provides your own CLI implementation, i.e. a channel callback module that implements a shell and command execution. Note that you may customize the shell read-eval-print loop using the option <c>shell</c> which is much less work than implementing - your own cli channel. + your own CLI channel. If set to <c>no_cli</c> you will disable + CLI channels and only subsystem channels will be allowed. </item> <tag><c><![CDATA[{user_dir, String}]]></c></tag> <item> @@ -296,7 +297,7 @@ user. From a security perspective this option makes the server very vulnerable.</p> </item> - <tag><c><![CDATA[{pwdfun, fun(User::string(), password::string() -> boolean()}]]></c></tag> + <tag><c><![CDATA[{pwdfun, fun(User::string(), password::string()) -> boolean()}]]></c></tag> <item> <p>Provide a function for password validation. This is called with user and password as strings, and should return @@ -313,26 +314,23 @@ <item> <p>Allow an existing file-descriptor to be used (simply passed on to the transport protocol).</p></item> - <tag><c><![CDATA[{ip_v6_disabled, boolean()}]]></c></tag> + <tag><c><![CDATA[{failfun, fun(User::string(), PeerAddress::ip_address(), Reason::term()) -> _}]]></c></tag> <item> - <p>Determines if SSH shall use IPv6 or not (only used when - HostAddress is set to any).</p></item> - <tag><c><![CDATA[{failfun, fun()}]]></c></tag> - <item> - <p>Provide a fun() to implement your own logging when a user fails to authenticate.</p> + <p>Provide a fun to implement your own logging when a user fails to authenticate.</p> </item> - <tag><c><![CDATA[{connectfun, fun()}]]></c></tag> + <tag><c><![CDATA[{connectfun, fun(User::string(), PeerAddress::ip_address(), Method::string()) ->_}]]></c></tag> <item> - <p>Provide a fun() to implement your own logging when a user authenticates to the server.</p> + <p>Provide a fun to implement your own logging when a user authenticates to the server.</p> </item> - <tag><c><![CDATA[{disconnectfun, fun()}]]></c></tag> + <tag><c><![CDATA[{disconnectfun, fun(Reason:term()) -> _}]]></c></tag> <item> - <p>Provide a fun() to implement your own logging when a user disconnects from the server.</p> + <p>Provide a fun to implement your own logging when a user disconnects from the server.</p> </item> </taglist> </desc> </func> + <func> <name>shell(Host) -> </name> <name>shell(Host, Option) -> </name> diff --git a/lib/ssh/doc/src/ssh_app.xml b/lib/ssh/doc/src/ssh_app.xml index c01f44936a..a1d2402790 100644 --- a/lib/ssh/doc/src/ssh_app.xml +++ b/lib/ssh/doc/src/ssh_app.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE appref SYSTEM "appref.dtd"> <appref> <header> <copyright> - <year>2012</year> + <year>2012</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/ssh/doc/src/ssh_channel.xml b/lib/ssh/doc/src/ssh_channel.xml index 66b3b8b656..a52a6a115e 100644 --- a/lib/ssh/doc/src/ssh_channel.xml +++ b/lib/ssh/doc/src/ssh_channel.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> diff --git a/lib/ssh/doc/src/ssh_client_key_api.xml b/lib/ssh/doc/src/ssh_client_key_api.xml index b9b1ec4efa..f3d05a8980 100644 --- a/lib/ssh/doc/src/ssh_client_key_api.xml +++ b/lib/ssh/doc/src/ssh_client_key_api.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> @@ -41,12 +41,14 @@ <p>Type definitions that are used more than once in this module and/or abstractions to indicate the intended use of the data - type:</p> + type. For more details on public key data types + see the <seealso marker="public_key:public_key_records"> public_key user's guide.</seealso> + </p> <p> boolean() = true | false</p> <p> string() = [byte()] </p> <p> public_key() = #'RSAPublicKey'{}| {integer(), #'Dss-Parms'{}}| term()</p> - <p> private_key() = #'RSAPublicKey'{}| {integer(), #'Dss-Parms'{}}| term()</p> + <p> private_key() = #'RSAPrivateKey'{} | #'DSAPrivateKey'{} | term()</p> <p> public_key_algorithm() = 'ssh-rsa'| 'ssh-dss' | atom()</p> </section> diff --git a/lib/ssh/doc/src/ssh_connection.xml b/lib/ssh/doc/src/ssh_connection.xml index efd4865a6f..72e7252536 100644 --- a/lib/ssh/doc/src/ssh_connection.xml +++ b/lib/ssh/doc/src/ssh_connection.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> diff --git a/lib/ssh/doc/src/ssh_protocol.xml b/lib/ssh/doc/src/ssh_protocol.xml index 28f42f5707..7288266cf7 100644 --- a/lib/ssh/doc/src/ssh_protocol.xml +++ b/lib/ssh/doc/src/ssh_protocol.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE chapter SYSTEM "chapter.dtd"> <!-- %EricssonCopyright% --> <chapter> <header> <copyright> - <year>2013</year> + <year>2013</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/ssh/doc/src/ssh_server_key_api.xml b/lib/ssh/doc/src/ssh_server_key_api.xml index c4562e1211..f7133e4ba5 100644 --- a/lib/ssh/doc/src/ssh_server_key_api.xml +++ b/lib/ssh/doc/src/ssh_server_key_api.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> @@ -29,7 +29,7 @@ -behaviour(ssh_server_key_api). </modulesummary> <description> - <p> Behaviour describing the API for an SSH server's public key handling.By implementing the callbacks defined + <p> Behaviour describing the API for an SSH server's public key handling. By implementing the callbacks defined in this behavior it is possible to customize the SSH server's public key handling. By default the SSH application implements this behavior with help of the standard openssh files, see <seealso marker="SSH_app"> ssh(6)</seealso>.</p> @@ -40,13 +40,15 @@ <p>Type definitions that are used more than once in this module and/or abstractions to indicate the intended use of the data - type:</p> + type. For more details on public key data types + see the <seealso marker="public_key:public_key_records"> public_key user's guide.</seealso> + </p> <p> boolean() = true | false</p> <p> string() = [byte()]</p> - <p> public_key() = #'RSAPublicKey'{}| {integer(), #'Dss-Parms'{}}| term()</p> - <p> private_key() = #'RSAPublicKey'{}| {integer(), #'Dss-Parms'{}}| term()</p> - <p> public_key_algorithm() = 'ssh-rsa'| 'ssh-dss' | atom()</p> + <p> public_key() = #'RSAPublicKey'{} | {integer(), #'Dss-Parms'{}} | term()</p> + <p> private_key() = #'RSAPrivateKey'{} | #'DSAPrivateKey'{} | term()</p> + <p> public_key_algorithm() = 'ssh-rsa' | 'ssh-dss' | atom()</p> </section> <funcs> @@ -56,7 +58,7 @@ <fsummary>Fetches the hosts private key </fsummary> <type> <v>Algorithm = public_key_algorithm()</v> - <d> Host key algorithm. Should support 'ssh-rsa'| 'ssh-dss' but additional algorithms + <d> Host key algorithm. Should support 'ssh-rsa' | 'ssh-dss' but additional algorithms can be handled.</d> <v> DaemonOptions = proplists:proplist() </v> <d>Options provided to <seealso marker="ssh#daemon-2">ssh:daemon/[2,3]</seealso></d> diff --git a/lib/ssh/doc/src/ssh_sftp.xml b/lib/ssh/doc/src/ssh_sftp.xml index 0d61e57edb..e55d092fe2 100644 --- a/lib/ssh/doc/src/ssh_sftp.xml +++ b/lib/ssh/doc/src/ssh_sftp.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>2005</year><year>2012</year> + <year>2005</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/ssh/doc/src/ssh_sftpd.xml b/lib/ssh/doc/src/ssh_sftpd.xml index a73d6e52d4..81c2acc575 100644 --- a/lib/ssh/doc/src/ssh_sftpd.xml +++ b/lib/ssh/doc/src/ssh_sftpd.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> diff --git a/lib/ssh/doc/src/usersguide.xml b/lib/ssh/doc/src/usersguide.xml index c818003090..8ab14c2945 100644 --- a/lib/ssh/doc/src/usersguide.xml +++ b/lib/ssh/doc/src/usersguide.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE part SYSTEM "part.dtd"> <part xmlns:xi="http://www.w3.org/2001/XInclude"> <header> <copyright> - <year>2012</year> + <year>2012</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/ssh/doc/src/using_ssh.xml b/lib/ssh/doc/src/using_ssh.xml index c994c1c56c..4d73366f5e 100644 --- a/lib/ssh/doc/src/using_ssh.xml +++ b/lib/ssh/doc/src/using_ssh.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="iso-8859-1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE chapter SYSTEM "chapter.dtd"> <chapter> diff --git a/lib/ssh/src/Makefile b/lib/ssh/src/Makefile index 93d0b54f57..2ef2859fd7 100644 --- a/lib/ssh/src/Makefile +++ b/lib/ssh/src/Makefile @@ -53,7 +53,6 @@ MODULES= \ ssh_connection_sup \ ssh_connection \ ssh_connection_handler \ - ssh_connection_manager \ ssh_shell \ ssh_system_sup \ ssh_subsystem_sup \ @@ -67,12 +66,12 @@ MODULES= \ ssh_file \ ssh_io \ ssh_math \ + ssh_message \ ssh_no_io \ ssh_sftp \ ssh_sftpd \ ssh_sftpd_file\ ssh_transport \ - ssh_userreg \ ssh_xfer PUBLIC_HRL_FILES= ssh.hrl ssh_userauth.hrl ssh_xfer.hrl diff --git a/lib/ssh/src/ssh.app.src b/lib/ssh/src/ssh.app.src index 49707f3378..74d7293be0 100644 --- a/lib/ssh/src/ssh.app.src +++ b/lib/ssh/src/ssh.app.src @@ -8,6 +8,7 @@ ssh_acceptor, ssh_acceptor_sup, ssh_auth, + ssh_message, ssh_bits, ssh_cli, ssh_client_key_api, @@ -15,7 +16,6 @@ ssh_channel_sup, ssh_connection, ssh_connection_handler, - ssh_connection_manager, ssh_connection_sup, ssh_daemon_channel, ssh_shell, @@ -34,7 +34,6 @@ ssh_sup, ssh_system_sup, ssh_transport, - ssh_userreg, ssh_xfer]}, {registered, []}, {applications, [kernel, stdlib, crypto, public_key]}, diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl index 7d5478c3f6..9f571adba2 100644 --- a/lib/ssh/src/ssh.erl +++ b/lib/ssh/src/ssh.erl @@ -32,9 +32,8 @@ shell/1, shell/2, shell/3]). %%-------------------------------------------------------------------- -%% Function: start([, Type]) -> ok -%% -%% Type = permanent | transient | temporary +-spec start() -> ok. +-spec start(permanent | transient | temporary) -> ok. %% %% Description: Starts the ssh application. Default type %% is temporary. see application(3) @@ -52,7 +51,7 @@ start(Type) -> application:start(ssh, Type). %%-------------------------------------------------------------------- -%% Function: stop() -> ok +-spec stop() -> ok. %% %% Description: Stops the ssh application. %%-------------------------------------------------------------------- @@ -60,13 +59,8 @@ stop() -> application:stop(ssh). %%-------------------------------------------------------------------- -%% Function: connect(Host, Port, Options) -> -%% connect(Host, Port, Options, Timeout -> ConnectionRef | {error, Reason} -%% -%% Host - string() -%% Port - integer() -%% Options - [{Option, Value}] -%% Timeout - infinity | integer(). +-spec connect(string(), integer(), proplists:proplist()) -> {ok, pid()} | {error, term()}. +-spec connect(string(), integer(), proplists:proplist(), timeout()) -> {ok, pid()} | {error, term()}. %% %% Description: Starts an ssh connection. %%-------------------------------------------------------------------- @@ -77,83 +71,52 @@ connect(Host, Port, Options, Timeout) -> {error, _Reason} = Error -> Error; {SocketOptions, SshOptions} -> - DisableIpv6 = proplists:get_value(ipv6_disabled, SshOptions, false), - Inet = inetopt(DisableIpv6), - do_connect(Host, Port, [Inet | SocketOptions], - [{user_pid, self()}, {host, Host} | fix_idle_time(SshOptions)], Timeout, DisableIpv6) + {_, Transport, _} = TransportOpts = + proplists:get_value(transport, Options, {tcp, gen_tcp, tcp_closed}), + Inet = proplists:get_value(inet, SshOptions, inet), + try Transport:connect(Host, Port, [ {active, false}, Inet | SocketOptions], Timeout) of + {ok, Socket} -> + Opts = [{user_pid, self()}, {host, Host} | fix_idle_time(SshOptions)], + ssh_connection_handler:start_connection(client, Socket, Opts, Timeout); + {error, Reason} -> + {error, Reason} + catch + exit:{function_clause, _} -> + {error, {options, {transport, TransportOpts}}}; + exit:badarg -> + {error, {options, {socket_options, SocketOptions}}} + end end. -do_connect(Host, Port, SocketOptions, SshOptions, Timeout, DisableIpv6) -> - try sshc_sup:start_child([[{address, Host}, {port, Port}, - {role, client}, - {channel_pid, self()}, - {socket_opts, SocketOptions}, - {ssh_opts, SshOptions}]]) of - {ok, ConnectionSup} -> - {ok, Manager} = - ssh_connection_sup:connection_manager(ConnectionSup), - msg_loop(Manager, DisableIpv6, Host, Port, SocketOptions, SshOptions, Timeout) - catch - exit:{noproc, _} -> - {error, ssh_not_started} - end. -msg_loop(Manager, DisableIpv6, Host, Port, SocketOptions, SshOptions, Timeout) -> - receive - {Manager, is_connected} -> - {ok, Manager}; - %% When the connection fails - %% ssh_connection_sup:connection_manager - %% might return undefined as the connection manager - %% could allready have terminated, so we will not - %% match the Manager in this case - {_, not_connected, {error, econnrefused}} when DisableIpv6 == false -> - do_connect(Host, Port, proplists:delete(inet6, SocketOptions), - SshOptions, Timeout, true); - {_, not_connected, {error, Reason}} -> - {error, Reason}; - {_, not_connected, Other} -> - {error, Other}; - {From, user_password} -> - Pass = io:get_password(), - From ! Pass, - msg_loop(Manager, DisableIpv6, Host, Port, SocketOptions, SshOptions, Timeout); - {From, question} -> - Answer = io:get_line(""), - From ! Answer, - msg_loop(Manager, DisableIpv6, Host, Port, SocketOptions, SshOptions, Timeout) - after Timeout -> - ssh_connection_manager:stop(Manager), - {error, timeout} - end. %%-------------------------------------------------------------------- -%% Function: close(ConnectionRef) -> ok +-spec close(pid()) -> ok. %% %% Description: Closes an ssh connection. %%-------------------------------------------------------------------- close(ConnectionRef) -> - ssh_connection_manager:stop(ConnectionRef). + ssh_connection_handler:stop(ConnectionRef). %%-------------------------------------------------------------------- -%% Function: connection_info(ConnectionRef) -> [{Option, Value}] +-spec connection_info(pid(), [atom()]) -> [{atom(), term()}]. %% %% Description: Retrieves information about a connection. %%-------------------------------------------------------------------- connection_info(ConnectionRef, Options) -> - ssh_connection_manager:connection_info(ConnectionRef, Options). + ssh_connection_handler:connection_info(ConnectionRef, Options). %%-------------------------------------------------------------------- -%% Function: channel_info(ConnectionRef) -> [{Option, Value}] +-spec channel_info(pid(), channel_id(), [atom()]) -> [{atom(), term()}]. %% %% Description: Retrieves information about a connection. %%-------------------------------------------------------------------- channel_info(ConnectionRef, ChannelId, Options) -> - ssh_connection_manager:channel_info(ConnectionRef, ChannelId, Options). + ssh_connection_handler:channel_info(ConnectionRef, ChannelId, Options). %%-------------------------------------------------------------------- -%% Function: daemon(Port) -> -%% daemon(Port, Options) -> -%% daemon(Address, Port, Options) -> SshSystemRef -%% +-spec daemon(integer()) -> {ok, pid()}. +-spec daemon(integer(), proplists:proplist()) -> {ok, pid()}. +-spec daemon(any | inet:ip_address(), integer(), proplists:proplist()) -> {ok, pid()}. + %% Description: Starts a server listening for SSH connections %% on the given port. %%-------------------------------------------------------------------- @@ -170,11 +133,11 @@ daemon(HostAddr, Port, Options0) -> _ -> Options0 end, - DisableIpv6 = proplists:get_value(ipv6_disabled, Options0, false), + {Host, Inet, Options} = case HostAddr of any -> {ok, Host0} = inet:gethostname(), - {Host0, inetopt(DisableIpv6), Options1}; + {Host0, proplists:get_value(inet, Options1, inet), Options1}; {_,_,_,_} -> {HostAddr, inet, [{ip, HostAddr} | Options1]}; @@ -185,9 +148,8 @@ daemon(HostAddr, Port, Options0) -> start_daemon(Host, Port, Options, Inet). %%-------------------------------------------------------------------- -%% Function: stop_listener(SysRef) -> ok -%% stop_listener(Address, Port) -> ok -%% +-spec stop_listener(pid()) -> ok. +-spec stop_listener(inet:ip_address(), integer()) -> ok. %% %% Description: Stops the listener, but leaves %% existing connections started by the listener up and running. @@ -198,9 +160,8 @@ stop_listener(Address, Port) -> ssh_system_sup:stop_listener(Address, Port). %%-------------------------------------------------------------------- -%% Function: stop_daemon(SysRef) -> ok -%%% stop_daemon(Address, Port) -> ok -%% +-spec stop_daemon(pid()) -> ok. +-spec stop_daemon(inet:ip_address(), integer()) -> ok. %% %% Description: Stops the listener and all connections started by %% the listener. @@ -211,9 +172,10 @@ stop_daemon(Address, Port) -> ssh_system_sup:stop_system(Address, Port). %%-------------------------------------------------------------------- -%% Function: shell(Host [,Port,Options]) -> {ok, ConnectionRef} | -%% {error, Reason} -%% +-spec shell(string()) -> _. +-spec shell(string(), proplists:proplist()) -> _. +-spec shell(string(), integer(), proplists:proplist()) -> _. + %% Host = string() %% Port = integer() %% Options = [{Option, Value}] @@ -379,9 +341,9 @@ handle_ssh_option({user_dir, Value} = Opt) when is_list(Value) -> Opt; handle_ssh_option({user_dir_fun, Value} = Opt) when is_function(Value) -> Opt; -handle_ssh_option({silently_accept_hosts, Value} = Opt) when Value == true; Value == false -> +handle_ssh_option({silently_accept_hosts, Value} = Opt) when is_boolean(Value) -> Opt; -handle_ssh_option({user_interaction, Value} = Opt) when Value == true; Value == false -> +handle_ssh_option({user_interaction, Value} = Opt) when is_boolean(Value) -> Opt; handle_ssh_option({public_key_alg, ssh_dsa}) -> {public_key_alg, 'ssh-dss'}; @@ -429,9 +391,8 @@ handle_ssh_option({disconnectfun , Value} = Opt) when is_function(Value) -> handle_ssh_option({failfun, Value} = Opt) when is_function(Value) -> Opt; -handle_ssh_option({ipv6_disabled, Value} = Opt) when Value == true; - Value == false -> - Opt; +handle_ssh_option({ipv6_disabled, Value} = Opt) when is_boolean(Value) -> + throw({error, {{ipv6_disabled, Opt}, option_no_longer_valid_use_inet_option_instead}}); handle_ssh_option({transport, {Protocol, Cb, ClosTag}} = Opt) when is_atom(Protocol), is_atom(Cb), is_atom(ClosTag) -> @@ -440,13 +401,14 @@ handle_ssh_option({subsystems, Value} = Opt) when is_list(Value) -> Opt; handle_ssh_option({ssh_cli, {Cb, _}}= Opt) when is_atom(Cb) -> Opt; +handle_ssh_option({ssh_cli, no_cli} = Opt) -> + Opt; handle_ssh_option({shell, {Module, Function, _}} = Opt) when is_atom(Module), is_atom(Function) -> Opt; handle_ssh_option({shell, Value} = Opt) when is_function(Value) -> Opt; -handle_ssh_option({quiet_mode, Value} = Opt) when Value == true; - Value == false -> +handle_ssh_option({quiet_mode, Value} = Opt) when is_boolean(Value) -> Opt; handle_ssh_option({idle_time, Value} = Opt) when is_integer(Value), Value > 0 -> Opt; @@ -459,10 +421,8 @@ handle_inet_option({active, _} = Opt) -> throw({error, {{eoptions, Opt}, "Ssh has built in flow control, " "and activ is handled internaly user is not allowd" "to specify this option"}}); -handle_inet_option({inet, _} = Opt) -> - throw({error, {{eoptions, Opt},"Is set internaly use ipv6_disabled to" - " enforce iv4 in the server, client will fallback to ipv4 if" - " it can not use ipv6"}}); +handle_inet_option({inet, Value} = Opt) when (Value == inet) or (Value == inet6) -> + Opt; handle_inet_option({reuseaddr, _} = Opt) -> throw({error, {{eoptions, Opt},"Is set internaly user is not allowd" "to specify this option"}}); @@ -485,18 +445,3 @@ handle_pref_algs([H|T], Acc) -> _ -> false end. -%% Has IPv6 been disabled? -inetopt(true) -> - inet; -inetopt(false) -> - case gen_tcp:listen(0, [inet6]) of - {ok, Dummyport} -> - gen_tcp:close(Dummyport), - inet6; - _ -> - inet - end. - -%%% -%% Deprecated -%%% diff --git a/lib/ssh/src/ssh.hrl b/lib/ssh/src/ssh.hrl index 4fd347ba8f..0c4d34f89c 100644 --- a/lib/ssh/src/ssh.hrl +++ b/lib/ssh/src/ssh.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2012. All Rights Reserved. +%% Copyright Ericsson AB 2004-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -29,6 +29,8 @@ -define(SSH_DEFAULT_PORT, 22). -define(SSH_MAX_PACKET_SIZE, (256*1024)). -define(SSH_LENGHT_INDICATOR_SIZE, 4). +-define(REKEY_TIMOUT, 3600000). +-define(REKEY_DATA_TIMOUT, 60000). -define(FALSE, 0). -define(TRUE, 1). @@ -52,6 +54,7 @@ -define(uint32(X), << ?UINT32(X) >> ). -define(uint64(X), << ?UINT64(X) >> ). -define(string(X), << ?STRING(list_to_binary(X)) >> ). +-define(string_utf8(X), << ?STRING(unicode:characters_to_binary(X)) >> ). -define(binary(X), << ?STRING(X) >>). -define(SSH_CIPHER_NONE, 0). diff --git a/lib/ssh/src/ssh_acceptor.erl b/lib/ssh/src/ssh_acceptor.erl index d023656c32..91905b2eaf 100644 --- a/lib/ssh/src/ssh_acceptor.erl +++ b/lib/ssh/src/ssh_acceptor.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2012. All Rights Reserved. +%% Copyright Ericsson AB 2008-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -25,7 +25,6 @@ -export([start_link/5]). %% spawn export -%% TODO: system messages -export([acceptor_init/6, acceptor_loop/6]). -define(SLEEP_TIME, 200). @@ -81,17 +80,15 @@ acceptor_loop(Callback, Port, Address, Opts, ListenSocket, AcceptTimeout) -> ListenSocket, AcceptTimeout) end. -handle_connection(Callback, Address, Port, Options, Socket) -> +handle_connection(_Callback, Address, Port, Options, Socket) -> SystemSup = ssh_system_sup:system_supervisor(Address, Port), {ok, SubSysSup} = ssh_system_sup:start_subsystem(SystemSup, Options), - ConnectionSup = ssh_system_sup:connection_supervisor(SystemSup), - {ok, Pid} = - ssh_connection_sup:start_manager_child(ConnectionSup, - [server, Socket, Options]), - Callback:controlling_process(Socket, Pid), - SshOpts = proplists:get_value(ssh_opts, Options), - Pid ! {start_connection, server, [Address, Port, Socket, SshOpts, SubSysSup]}. - + ConnectionSup = ssh_subsystem_sup:connection_supervisor(SubSysSup), + ssh_connection_handler:start_connection(server, Socket, + [{supervisors, [{system_sup, SystemSup}, + {subsystem_sup, SubSysSup}, + {connection_sup, ConnectionSup}]} + | Options], infinity). handle_error(timeout) -> ok; diff --git a/lib/ssh/src/ssh_acceptor_sup.erl b/lib/ssh/src/ssh_acceptor_sup.erl index f37e1fe4ff..2be729d305 100644 --- a/lib/ssh/src/ssh_acceptor_sup.erl +++ b/lib/ssh/src/ssh_acceptor_sup.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2010. All Rights Reserved. +%% Copyright Ericsson AB 2008-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -84,8 +84,8 @@ child_spec(ServerOpts) -> [{active, false}, {reuseaddr, true}] ++ SocketOpts, ServerOpts, Timeout]}, - Restart = permanent, - Shutdown = 3600, + Restart = transient, + Shutdown = brutal_kill, Modules = [ssh_acceptor], Type = worker, {Name, StartFunc, Restart, Shutdown, Type, Modules}. diff --git a/lib/ssh/src/ssh_auth.erl b/lib/ssh/src/ssh_auth.erl index cb0c7751f0..409a1db6d5 100644 --- a/lib/ssh/src/ssh_auth.erl +++ b/lib/ssh/src/ssh_auth.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2012. All Rights Reserved. +%% Copyright Ericsson AB 2008-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -30,8 +30,7 @@ -export([publickey_msg/1, password_msg/1, keyboard_interactive_msg/1, service_request_msg/1, init_userauth_request_msg/1, userauth_request_msg/1, handle_userauth_request/3, - handle_userauth_info_request/3, handle_userauth_info_response/2, - userauth_messages/0 + handle_userauth_info_request/3, handle_userauth_info_response/2 ]). %%-------------------------------------------------------------------- @@ -43,7 +42,6 @@ publickey_msg([Alg, #ssh{user = User, opts = Opts} = Ssh]) -> Hash = sha, %% Maybe option?! - ssh_bits:install_messages(userauth_pk_messages()), KeyCb = proplists:get_value(key_cb, Opts, ssh_file), case KeyCb:user_key(Alg, Opts) of @@ -69,7 +67,6 @@ publickey_msg([Alg, #ssh{user = User, password_msg([#ssh{opts = Opts, io_cb = IoCb, user = User, service = Service} = Ssh]) -> - ssh_bits:install_messages(userauth_passwd_messages()), Password = case proplists:get_value(password, Opts) of undefined -> user_interaction(IoCb, Ssh); @@ -86,7 +83,7 @@ password_msg([#ssh{opts = Opts, io_cb = IoCb, method = "password", data = <<?BOOLEAN(?FALSE), - ?STRING(list_to_binary(Password))>>}, + ?STRING(unicode:characters_to_binary(Password))>>}, Ssh) end. @@ -99,7 +96,6 @@ user_interaction(IoCb, Ssh) -> %% See RFC 4256 for info on keyboard-interactive keyboard_interactive_msg([#ssh{user = User, service = Service} = Ssh]) -> - ssh_bits:install_messages(userauth_keyboard_interactive_messages()), ssh_transport:ssh_packet( #ssh_msg_userauth_request{user = User, service = Service, @@ -194,8 +190,7 @@ handle_userauth_request(#ssh_msg_userauth_request{user = User, data = Data}, _, #ssh{opts = Opts} = Ssh) -> <<_:8, ?UINT32(Sz), BinPwd:Sz/binary>> = Data, - Password = binary_to_list(BinPwd), - + Password = unicode:characters_to_list(BinPwd), case check_password(User, Password, Opts) of true -> {authorized, User, @@ -239,7 +234,6 @@ handle_userauth_request(#ssh_msg_userauth_request{user = User, partial_success = false}, Ssh)} end; ?FALSE -> - ssh_bits:install_messages(userauth_pk_messages()), {not_authorized, {User, undefined}, ssh_transport:ssh_packet( #ssh_msg_userauth_pk_ok{algorithm_name = Alg, @@ -275,26 +269,10 @@ handle_userauth_info_request( handle_userauth_info_response(#ssh_msg_userauth_info_response{}, _Auth) -> throw(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_SERVICE_NOT_AVAILABLE, - description = "Server does not support" - "keyboard-interactive", + description = "Server does not support" + "keyboard-interactive", language = "en"}). -userauth_messages() -> - [ {ssh_msg_userauth_request, ?SSH_MSG_USERAUTH_REQUEST, - [string, - string, - string, - '...']}, - - {ssh_msg_userauth_failure, ?SSH_MSG_USERAUTH_FAILURE, - [string, - boolean]}, - - {ssh_msg_userauth_success, ?SSH_MSG_USERAUTH_SUCCESS, - []}, - - {ssh_msg_userauth_banner, ?SSH_MSG_USERAUTH_BANNER, - [string, - string]}]. + %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- @@ -373,7 +351,7 @@ verify_sig(SessionId, User, Service, Alg, KeyBlob, SigWLen, Opts) -> build_sig_data(SessionId, User, Service, KeyBlob, Alg) -> Sig = [?binary(SessionId), ?SSH_MSG_USERAUTH_REQUEST, - ?string(User), + ?string_utf8(User), ?string(Service), ?binary(<<"publickey">>), ?TRUE, @@ -386,13 +364,8 @@ algorithm_string('ssh-rsa') -> algorithm_string('ssh-dss') -> "ssh-dss". -decode_keyboard_interactive_prompts(NumPrompts, Data) -> - Types = lists:append(lists:duplicate(NumPrompts, [string, boolean])), - pairwise_tuplify(ssh_bits:decode(Data, Types)). - -pairwise_tuplify([E1, E2 | Rest]) -> [{E1, E2} | pairwise_tuplify(Rest)]; -pairwise_tuplify([]) -> []. - +decode_keyboard_interactive_prompts(_NumPrompts, Data) -> + ssh_message:decode_keyboard_interactive_prompts(Data, []). keyboard_interact_get_responses(IoCb, Opts, Name, Instr, PromptInfos) -> NumPrompts = length(PromptInfos), @@ -431,50 +404,29 @@ keyboard_interact(IoCb, Name, Instr, Prompts, Opts) -> end, Prompts). -userauth_passwd_messages() -> - [ - {ssh_msg_userauth_passwd_changereq, ?SSH_MSG_USERAUTH_PASSWD_CHANGEREQ, - [string, - string]} - ]. - -userauth_keyboard_interactive_messages() -> - [ {ssh_msg_userauth_info_request, ?SSH_MSG_USERAUTH_INFO_REQUEST, - [string, - string, - string, - uint32, - '...']}, - - {ssh_msg_userauth_info_response, ?SSH_MSG_USERAUTH_INFO_RESPONSE, - [uint32, - '...']} - ]. - -userauth_pk_messages() -> - [ {ssh_msg_userauth_pk_ok, ?SSH_MSG_USERAUTH_PK_OK, - [string, % algorithm name - binary]} % key blob - ]. - other_alg('ssh-rsa') -> 'ssh-dss'; other_alg('ssh-dss') -> 'ssh-rsa'. -decode_public_key_v2(K_S, "ssh-rsa") -> - case ssh_bits:decode(K_S,[string,mpint,mpint]) of - ["ssh-rsa", E, N] -> - {ok, #'RSAPublicKey'{publicExponent = E, modulus = N}}; - _ -> - {error, bad_format} - end; -decode_public_key_v2(K_S, "ssh-dss") -> - case ssh_bits:decode(K_S,[string,mpint,mpint,mpint,mpint]) of - ["ssh-dss",P,Q,G,Y] -> - {ok, {Y, #'Dss-Parms'{p = P, q = Q, g = G}}}; - _ -> - {error, bad_format} - end; +decode_public_key_v2(<<?UINT32(Len0), _:Len0/binary, + ?UINT32(Len1), BinE:Len1/binary, + ?UINT32(Len2), BinN:Len2/binary>> + ,"ssh-rsa") -> + E = ssh_bits:erlint(Len1, BinE), + N = ssh_bits:erlint(Len2, BinN), + {ok, #'RSAPublicKey'{publicExponent = E, modulus = N}}; +decode_public_key_v2(<<?UINT32(Len0), _:Len0/binary, + ?UINT32(Len1), BinP:Len1/binary, + ?UINT32(Len2), BinQ:Len2/binary, + ?UINT32(Len3), BinG:Len3/binary, + ?UINT32(Len4), BinY:Len4/binary>> + , "ssh-dss") -> + P = ssh_bits:erlint(Len1, BinP), + Q = ssh_bits:erlint(Len2, BinQ), + G = ssh_bits:erlint(Len3, BinG), + Y = ssh_bits:erlint(Len4, BinY), + {ok, {Y, #'Dss-Parms'{p = P, q = Q, g = G}}}; + decode_public_key_v2(_, _) -> {error, bad_format}. diff --git a/lib/ssh/src/ssh_bits.erl b/lib/ssh/src/ssh_bits.erl index fc6efc817f..8aaff93b9f 100644 --- a/lib/ssh/src/ssh_bits.erl +++ b/lib/ssh/src/ssh_bits.erl @@ -25,19 +25,9 @@ -include("ssh.hrl"). --export([encode/1, encode/2]). --export([decode/1, decode/2, decode/3]). --export([mpint/1, bignum/1, string/1, name_list/1]). --export([b64_encode/1, b64_decode/1]). --export([install_messages/1, uninstall_messages/1]). - -%% integer utils --export([isize/1]). +-export([encode/2]). +-export([mpint/1, erlint/2, string/1, name_list/1]). -export([random/1]). --export([xor_bits/2, fill_bits/2]). --export([i2bin/2, bin2i/1]). - --import(lists, [foreach/2, reverse/1]). -define(name_list(X), (fun(B) -> ?binary(B) end)(list_to_binary(name_concat(X)))). @@ -95,38 +85,6 @@ mpint_pos(X,I,Ds) -> mpint_pos(X bsr 8,I+1,[(X band 255)|Ds]). -%% BIGNUM representation SSH1 -bignum(X) -> - XSz = isize(X), - Pad = (8 - (XSz rem 8)) rem 8, - <<?UINT16(XSz),0:Pad/unsigned-integer,X:XSz/big-unsigned-integer>>. - - -install_messages(Codes) -> - foreach(fun({Name, Code, Ts}) -> - put({msg_name,Code}, {Name,Ts}), - put({msg_code,Name}, {Code,Ts}) - end, Codes). - -uninstall_messages(Codes) -> - foreach(fun({Name, Code, _Ts}) -> - erase({msg_name,Code}), - erase({msg_code,Name}) - end, Codes). - -%% -%% Encode a record, the type spec is expected to be -%% in process dictionary under the key {msg_code, RecodeName} -%% -encode(Record) -> - case get({msg_code, element(1, Record)}) of - undefined -> - {error, unimplemented}; - {Code, Ts} -> - Data = enc(tl(tuple_to_list(Record)), Ts), - list_to_binary([Code, Data]) - end. - encode(List, Types) -> list_to_binary(enc(List, Types)). @@ -136,230 +94,62 @@ encode(List, Types) -> enc(Xs, Ts) -> enc(Xs, Ts, 0). -enc(Xs, [Type|Ts], Offset) -> - case Type of - boolean -> - X=hd(Xs), - [?boolean(X) | enc(tl(Xs), Ts, Offset+1)]; - byte -> - X=hd(Xs), - [?byte(X) | enc(tl(Xs), Ts,Offset+1)]; - uint16 -> - X=hd(Xs), - [?uint16(X) | enc(tl(Xs), Ts,Offset+2)]; - uint32 -> - X=hd(Xs), - [?uint32(X) | enc(tl(Xs), Ts,Offset+4)]; - uint64 -> - X=hd(Xs), - [?uint64(X) | enc(tl(Xs), Ts,Offset+8)]; - mpint -> - Y=mpint(hd(Xs)), - [Y | enc(tl(Xs), Ts,Offset+size(Y))]; - bignum -> - Y=bignum(hd(Xs)), - [Y | enc(tl(Xs),Ts,Offset+size(Y))]; - string -> - X0=hd(Xs), - Y=?string(X0), - [Y | enc(tl(Xs),Ts,Offset+size(Y))]; - binary -> - X0=hd(Xs), - Y=?binary(X0), - [Y | enc(tl(Xs), Ts,Offset+size(Y))]; - name_list -> - X0=hd(Xs), - Y=?name_list(X0), - [Y | enc(tl(Xs), Ts, Offset+size(Y))]; - cookie -> - [random(16) | enc(tl(Xs), Ts, Offset+16)]; - {pad,N} -> - K = (N - (Offset rem N)) rem N, - [fill_bits(K,0) | enc(Xs, Ts, Offset+K)]; - '...' when Ts==[] -> - X=hd(Xs), - if is_binary(X) -> - [X]; - is_list(X) -> - [list_to_binary(X)]; - X==undefined -> - [] - end +enc(Xs, [boolean|Ts], Offset) -> + X = hd(Xs), + [?boolean(X) | enc(tl(Xs), Ts, Offset+1)]; +enc(Xs, [byte|Ts], Offset) -> + X = hd(Xs), + [?byte(X) | enc(tl(Xs), Ts,Offset+1)]; +enc(Xs, [uint16|Ts], Offset) -> + X = hd(Xs), + [?uint16(X) | enc(tl(Xs), Ts,Offset+2)]; +enc(Xs, [uint32 |Ts], Offset) -> + X = hd(Xs), + [?uint32(X) | enc(tl(Xs), Ts,Offset+4)]; +enc(Xs, [uint64|Ts], Offset) -> + X = hd(Xs), + [?uint64(X) | enc(tl(Xs), Ts,Offset+8)]; +enc(Xs, [mpint|Ts], Offset) -> + Y = mpint(hd(Xs)), + [Y | enc(tl(Xs), Ts,Offset+size(Y))]; +enc(Xs, [string|Ts], Offset) -> + X0 = hd(Xs), + Y = ?string(X0), + [Y | enc(tl(Xs),Ts,Offset+size(Y))]; +enc(Xs, [string_utf8|Ts], Offset) -> + X0 = hd(Xs), + Y = ?string_utf8(X0), + [Y | enc(tl(Xs),Ts,Offset+size(Y))]; +enc(Xs, [binary|Ts], Offset) -> + X0 = hd(Xs), + Y = ?binary(X0), + [Y | enc(tl(Xs), Ts,Offset+size(Y))]; +enc(Xs, [name_list|Ts], Offset) -> + X0 = hd(Xs), + Y = ?name_list(X0), + [Y | enc(tl(Xs), Ts, Offset+size(Y))]; +enc(Xs, [cookie|Ts], Offset) -> + [random(16) | enc(tl(Xs), Ts, Offset+16)]; +enc(Xs, [{pad,N}|Ts], Offset) -> + K = (N - (Offset rem N)) rem N, + [fill_bits(K,0) | enc(Xs, Ts, Offset+K)]; +enc(Xs, ['...'| []], _Offset) -> + X = hd(Xs), + if is_binary(X) -> + [X]; + is_list(X) -> + [list_to_binary(X)]; + X==undefined -> + [] end; enc([], [],_) -> []. - - -%% -%% Decode a SSH record the type is encoded as the first byte -%% and the type spec MUST be installed in {msg_name, ID} -%% - -decode(Binary = <<?BYTE(ID), _/binary>>) -> - case get({msg_name, ID}) of - undefined -> - {unknown, Binary}; - {Name, Ts} -> - {_, Elems} = decode(Binary,1,Ts), - list_to_tuple([Name | Elems]) - end. - -%% -%% Decode a binary form offset 0 -%% - -decode(Binary, Types) when is_binary(Binary) andalso is_list(Types) -> - {_,Elems} = decode(Binary, 0, Types), - Elems. - - -%% -%% Decode a binary from byte offset Offset -%% return {UpdatedOffset, DecodedElements} -%% -decode(Binary, Offset, Types) -> - decode(Binary, Offset, Types, []). - -decode(Binary, Offset, [Type|Ts], Acc) -> - case Type of - boolean -> - <<_:Offset/binary, ?BOOLEAN(X0), _/binary>> = Binary, - X = if X0 == 0 -> false; true -> true end, - decode(Binary, Offset+1, Ts, [X | Acc]); - - byte -> - <<_:Offset/binary, ?BYTE(X), _/binary>> = Binary, - decode(Binary, Offset+1, Ts, [X | Acc]); - - uint16 -> - <<_:Offset/binary, ?UINT16(X), _/binary>> = Binary, - decode(Binary, Offset+2, Ts, [X | Acc]); - - uint32 -> - <<_:Offset/binary, ?UINT32(X), _/binary>> = Binary, - decode(Binary, Offset+4, Ts, [X | Acc]); - - uint64 -> - <<_:Offset/binary, ?UINT64(X), _/binary>> = Binary, - decode(Binary, Offset+8, Ts, [X | Acc]); - - mpint -> - <<_:Offset/binary, ?UINT32(L), X0:L/binary,_/binary>> = Binary, - Sz = L*8, - <<X:Sz/big-signed-integer>> = X0, - decode(Binary, Offset+4+L, Ts, [X | Acc]); - - bignum -> - <<_:Offset/binary, ?UINT16(Bits),_/binary>> = Binary, - L = (Bits+7) div 8, - Pad = (8 - (Bits rem 8)) rem 8, - <<_:Offset/binary, _:16, _:Pad, X:Bits/big-unsigned-integer, - _/binary>> = Binary, - decode(Binary, Offset+2+L, Ts, [X | Acc]); - - string -> - Size = size(Binary), - if Size < Offset + 4 -> - %% empty string at end - {Size, reverse(["" | Acc])}; - true -> - <<_:Offset/binary,?UINT32(L), X:L/binary,_/binary>> = - Binary, - decode(Binary, Offset+4+L, Ts, [binary_to_list(X) | - Acc]) - end; - - binary -> - <<_:Offset/binary,?UINT32(L), X:L/binary,_/binary>> = Binary, - decode(Binary, Offset+4+L, Ts, [X | Acc]); - - name_list -> - <<_:Offset/binary,?UINT32(L), X:L/binary,_/binary>> = Binary, - List = string:tokens(binary_to_list(X), ","), - decode(Binary, Offset+4+L, Ts, [List | Acc]); - - cookie -> - <<_:Offset/binary, X:16/binary, _/binary>> = Binary, - decode(Binary, Offset+16, Ts, [X | Acc]); - - {pad,N} -> %% pad offset to a multiple of N - K = (N - (Offset rem N)) rem N, - decode(Binary, Offset+K, Ts, Acc); - +erlint(Len, BinInt) -> + Sz = Len*8, + <<Int:Sz/big-signed-integer>> = BinInt, + Int. - '...' when Ts==[] -> - <<_:Offset/binary, X/binary>> = Binary, - {Offset+size(X), reverse([X | Acc])} - end; -decode(_Binary, Offset, [], Acc) -> - {Offset, reverse(Acc)}. - - - -%% HACK WARNING :-) --define(VERSION_MAGIC, 131). --define(SMALL_INTEGER_EXT, $a). --define(INTEGER_EXT, $b). --define(SMALL_BIG_EXT, $n). --define(LARGE_BIG_EXT, $o). - -isize(N) when N > 0 -> - case term_to_binary(N) of - <<?VERSION_MAGIC, ?SMALL_INTEGER_EXT, X>> -> - isize_byte(X); - <<?VERSION_MAGIC, ?INTEGER_EXT, X3,X2,X1,X0>> -> - isize_bytes([X3,X2,X1,X0]); - <<?VERSION_MAGIC, ?SMALL_BIG_EXT, S:8/big-unsigned-integer, 0, - Ds:S/binary>> -> - K = S - 1, - <<_:K/binary, Top>> = Ds, - isize_byte(Top)+K*8; - <<?VERSION_MAGIC, ?LARGE_BIG_EXT, S:32/big-unsigned-integer, 0, - Ds:S/binary>> -> - K = S - 1, - <<_:K/binary, Top>> = Ds, - isize_byte(Top)+K*8 - end; -isize(0) -> 0. - -%% big endian byte list -isize_bytes([0|L]) -> - isize_bytes(L); -isize_bytes([Top|L]) -> - isize_byte(Top) + length(L)*8. - -%% Well could be improved -isize_byte(X) -> - if X >= 2#10000000 -> 8; - X >= 2#1000000 -> 7; - X >= 2#100000 -> 6; - X >= 2#10000 -> 5; - X >= 2#1000 -> 4; - X >= 2#100 -> 3; - X >= 2#10 -> 2; - X >= 2#1 -> 1; - true -> 0 - end. - -%% Convert integer into binary -%% When XLen is the wanted size in octets of the output -i2bin(X, XLen) -> - XSz = isize(X), - Sz = XLen*8, - if Sz < XSz -> - exit(integer_to_large); - true -> - (<<X:Sz/big-unsigned-integer>>) - end. - -%% Convert a binary into an integer -%% -bin2i(X) -> - Sz = size(X)*8, - <<Y:Sz/big-unsigned-integer>> = X, - Y. - %% %% Create a binary with constant bytes %% @@ -377,15 +167,6 @@ fill(N,C) -> [C,Cs,Cs] end. -%% xor 2 binaries -xor_bits(XBits, YBits) -> - XSz = size(XBits)*8, - YSz = size(YBits)*8, - Sz = if XSz < YSz -> XSz; true -> YSz end, %% min - <<X:Sz, _/binary>> = XBits, - <<Y:Sz, _/binary>> = YBits, - <<(X bxor Y):Sz>>. - %% random/1 %% Generate N random bytes @@ -393,18 +174,5 @@ xor_bits(XBits, YBits) -> random(N) -> crypto:strong_rand_bytes(N). -%% -%% Base 64 encode/decode -%% - -b64_encode(Bs) when is_list(Bs) -> - base64:encode(Bs); -b64_encode(Bin) when is_binary(Bin) -> - base64:encode(Bin). - -b64_decode(Bin) when is_binary(Bin) -> - base64:mime_decode(Bin); -b64_decode(Cs) when is_list(Cs) -> - base64:mime_decode(Cs). diff --git a/lib/ssh/src/ssh_channel.erl b/lib/ssh/src/ssh_channel.erl index 062ed764ca..508ae637cf 100644 --- a/lib/ssh/src/ssh_channel.erl +++ b/lib/ssh/src/ssh_channel.erl @@ -284,7 +284,7 @@ handle_info(Msg, #state{cm = ConnectionManager, channel_cb = Module, terminate(Reason, #state{cm = ConnectionManager, channel_id = ChannelId, close_sent = false} = State) -> - ssh_connection:close(ConnectionManager, ChannelId), + catch ssh_connection:close(ConnectionManager, ChannelId), terminate(Reason, State#state{close_sent = true}); terminate(_, #state{channel_cb = Cb, channel_state = ChannelState}) -> catch Cb:terminate(Cb, ChannelState), diff --git a/lib/ssh/src/ssh_channel_sup.erl b/lib/ssh/src/ssh_channel_sup.erl index 0093bce9c2..ee37ed35f8 100644 --- a/lib/ssh/src/ssh_channel_sup.erl +++ b/lib/ssh/src/ssh_channel_sup.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2010. All Rights Reserved. +%% Copyright Ericsson AB 2008-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -31,7 +31,7 @@ -export([init/1]). %%%========================================================================= -%%% API +%%% Internal API %%%========================================================================= start_link(Args) -> supervisor:start_link(?MODULE, [Args]). diff --git a/lib/ssh/src/ssh_cli.erl b/lib/ssh/src/ssh_cli.erl index 54911e757c..77453e8fd7 100644 --- a/lib/ssh/src/ssh_cli.erl +++ b/lib/ssh/src/ssh_cli.erl @@ -32,9 +32,6 @@ %% ssh_channel callbacks -export([init/1, handle_ssh_msg/2, handle_msg/2, terminate/2]). -%% backwards compatibility --export([listen/1, listen/2, listen/3, listen/4, stop/1]). - %% state -record(state, { cm, @@ -65,14 +62,14 @@ init([Shell]) -> %% %% Description: Handles channel messages received on the ssh-connection. %%-------------------------------------------------------------------- -handle_ssh_msg({ssh_cm, _ConnectionManager, +handle_ssh_msg({ssh_cm, _ConnectionHandler, {data, _ChannelId, _Type, Data}}, #state{group = Group} = State) -> List = binary_to_list(Data), to_group(List, Group), {ok, State}; -handle_ssh_msg({ssh_cm, ConnectionManager, +handle_ssh_msg({ssh_cm, ConnectionHandler, {pty, ChannelId, WantReply, {TermName, Width, Height, PixWidth, PixHeight, Modes}}}, State0) -> @@ -85,53 +82,53 @@ handle_ssh_msg({ssh_cm, ConnectionManager, modes = Modes}, buf = empty_buf()}, set_echo(State), - ssh_connection:reply_request(ConnectionManager, WantReply, + ssh_connection:reply_request(ConnectionHandler, WantReply, success, ChannelId), {ok, State}; -handle_ssh_msg({ssh_cm, ConnectionManager, +handle_ssh_msg({ssh_cm, ConnectionHandler, {env, ChannelId, WantReply, _Var, _Value}}, State) -> - ssh_connection:reply_request(ConnectionManager, + ssh_connection:reply_request(ConnectionHandler, WantReply, failure, ChannelId), {ok, State}; -handle_ssh_msg({ssh_cm, ConnectionManager, +handle_ssh_msg({ssh_cm, ConnectionHandler, {window_change, ChannelId, Width, Height, PixWidth, PixHeight}}, #state{buf = Buf, pty = Pty0} = State) -> Pty = Pty0#ssh_pty{width = Width, height = Height, pixel_width = PixWidth, pixel_height = PixHeight}, {Chars, NewBuf} = io_request({window_change, Pty0}, Buf, Pty), - write_chars(ConnectionManager, ChannelId, Chars), + write_chars(ConnectionHandler, ChannelId, Chars), {ok, State#state{pty = Pty, buf = NewBuf}}; -handle_ssh_msg({ssh_cm, ConnectionManager, +handle_ssh_msg({ssh_cm, ConnectionHandler, {shell, ChannelId, WantReply}}, State) -> - NewState = start_shell(ConnectionManager, State), - ssh_connection:reply_request(ConnectionManager, WantReply, + NewState = start_shell(ConnectionHandler, State), + ssh_connection:reply_request(ConnectionHandler, WantReply, success, ChannelId), {ok, NewState#state{channel = ChannelId, - cm = ConnectionManager}}; + cm = ConnectionHandler}}; -handle_ssh_msg({ssh_cm, ConnectionManager, +handle_ssh_msg({ssh_cm, ConnectionHandler, {exec, ChannelId, WantReply, Cmd}}, #state{exec=undefined} = State) -> {Reply, Status} = exec(Cmd), - write_chars(ConnectionManager, + write_chars(ConnectionHandler, ChannelId, io_lib:format("~p\n", [Reply])), - ssh_connection:reply_request(ConnectionManager, WantReply, + ssh_connection:reply_request(ConnectionHandler, WantReply, success, ChannelId), - ssh_connection:exit_status(ConnectionManager, ChannelId, Status), - ssh_connection:send_eof(ConnectionManager, ChannelId), - {stop, ChannelId, State#state{channel = ChannelId, cm = ConnectionManager}}; -handle_ssh_msg({ssh_cm, ConnectionManager, + ssh_connection:exit_status(ConnectionHandler, ChannelId, Status), + ssh_connection:send_eof(ConnectionHandler, ChannelId), + {stop, ChannelId, State#state{channel = ChannelId, cm = ConnectionHandler}}; +handle_ssh_msg({ssh_cm, ConnectionHandler, {exec, ChannelId, WantReply, Cmd}}, State) -> - NewState = start_shell(ConnectionManager, Cmd, State), - ssh_connection:reply_request(ConnectionManager, WantReply, + NewState = start_shell(ConnectionHandler, Cmd, State), + ssh_connection:reply_request(ConnectionHandler, WantReply, success, ChannelId), {ok, NewState#state{channel = ChannelId, - cm = ConnectionManager}}; + cm = ConnectionHandler}}; -handle_ssh_msg({ssh_cm, _ConnectionManager, {eof, _ChannelId}}, State) -> +handle_ssh_msg({ssh_cm, _ConnectionHandler, {eof, _ChannelId}}, State) -> {ok, State}; handle_ssh_msg({ssh_cm, _, {signal, _, _}}, State) -> @@ -159,16 +156,40 @@ handle_ssh_msg({ssh_cm, _, {exit_status, ChannelId, Status}}, State) -> %% %% Description: Handles other channel messages. %%-------------------------------------------------------------------- -handle_msg({ssh_channel_up, ChannelId, ConnectionManager}, +handle_msg({ssh_channel_up, ChannelId, ConnectionHandler}, #state{channel = ChannelId, - cm = ConnectionManager} = State) -> + cm = ConnectionHandler} = State) -> {ok, State}; +handle_msg({Group, set_unicode_state, _Arg}, State) -> + Group ! {self(), set_unicode_state, false}, + {ok, State}; + +handle_msg({Group, get_unicode_state}, State) -> + Group ! {self(), get_unicode_state, false}, + {ok, State}; + +handle_msg({Group, tty_geometry}, #state{group = Group, + pty = Pty + } = State) -> + case Pty of + #ssh_pty{width=Width,height=Height} -> + Group ! {self(),tty_geometry,{Width,Height}}; + _ -> + %% This is a dirty fix of the problem with the otp ssh:shell + %% client. That client will not allocate a tty, but someone + %% asks for the tty_geometry just before every erlang prompt. + %% If that question is not answered, there is a 2 sec timeout + %% Until the prompt is seen by the user at the client side ... + Group ! {self(),tty_geometry,{0,0}} + end, + {ok,State}; + handle_msg({Group, Req}, #state{group = Group, buf = Buf, pty = Pty, - cm = ConnectionManager, + cm = ConnectionHandler, channel = ChannelId} = State) -> {Chars, NewBuf} = io_request(Req, Buf, Pty), - write_chars(ConnectionManager, ChannelId, Chars), + write_chars(ConnectionHandler, ChannelId, Chars), {ok, State#state{buf = NewBuf}}; handle_msg({'EXIT', Group, _Reason}, #state{group = Group, @@ -337,7 +358,7 @@ delete_chars(N, {Buf, BufTail, Col}, Tty) when N > 0 -> {Buf, NewBufTail, Col}}; delete_chars(N, {Buf, BufTail, Col}, Tty) -> % N < 0 NewBuf = nthtail(-N, Buf), - NewCol = Col + N, + NewCol = case Col + N of V when V >= 0 -> V; _ -> 0 end, M1 = move_cursor(Col, NewCol, Tty), M2 = move_cursor(NewCol + length(BufTail) - N, NewCol, Tty), {[M1, BufTail, lists:duplicate(-N, $ ) | M2], @@ -399,12 +420,12 @@ move_cursor(From, To, #ssh_pty{width=Width, term=Type}) -> %% %%% write out characters %% %%% make sure that there is data to send %% %%% before calling ssh_connection:send -write_chars(ConnectionManager, ChannelId, Chars) -> +write_chars(ConnectionHandler, ChannelId, Chars) -> case erlang:iolist_size(Chars) of 0 -> ok; _ -> - ssh_connection:send(ConnectionManager, ChannelId, + ssh_connection:send(ConnectionHandler, ChannelId, ?SSH_EXTENDED_DATA_DEFAULT, Chars) end. @@ -434,18 +455,20 @@ bin_to_list(L) when is_list(L) -> bin_to_list(I) when is_integer(I) -> I. -start_shell(ConnectionManager, State) -> +start_shell(ConnectionHandler, State) -> Shell = State#state.shell, + ConnectionInfo = ssh_connection_handler:info(ConnectionHandler, + [peer, user]), ShellFun = case is_function(Shell) of true -> {ok, User} = - ssh_userreg:lookup_user(ConnectionManager), + proplists:get_value(user, ConnectionInfo), case erlang:fun_info(Shell, arity) of {arity, 1} -> fun() -> Shell(User) end; {arity, 2} -> - {ok, PeerAddr} = - ssh_connection_manager:peer_addr(ConnectionManager), + [{_, PeerAddr}] = + proplists:get_value(peer, ConnectionInfo), fun() -> Shell(User, PeerAddr) end; _ -> Shell @@ -457,12 +480,15 @@ start_shell(ConnectionManager, State) -> Group = group:start(self(), ShellFun, [{echo, Echo}]), State#state{group = Group, buf = empty_buf()}. -start_shell(_ConnectionManager, Cmd, #state{exec={M, F, A}} = State) -> +start_shell(_ConnectionHandler, Cmd, #state{exec={M, F, A}} = State) -> Group = group:start(self(), {M, F, A++[Cmd]}, [{echo, false}]), State#state{group = Group, buf = empty_buf()}; -start_shell(ConnectionManager, Cmd, #state{exec=Shell} = State) when is_function(Shell) -> +start_shell(ConnectionHandler, Cmd, #state{exec=Shell} = State) when is_function(Shell) -> + + ConnectionInfo = ssh_connection_handler:info(ConnectionHandler, + [peer, user]), {ok, User} = - ssh_userreg:lookup_user(ConnectionManager), + proplists:get_value(user, ConnectionInfo), ShellFun = case erlang:fun_info(Shell, arity) of {arity, 1} -> @@ -470,8 +496,8 @@ start_shell(ConnectionManager, Cmd, #state{exec=Shell} = State) when is_function {arity, 2} -> fun() -> Shell(Cmd, User) end; {arity, 3} -> - {ok, PeerAddr} = - ssh_connection_manager:peer_addr(ConnectionManager), + [{_, PeerAddr}] = + proplists:get_value(peer, ConnectionInfo), fun() -> Shell(Cmd, User, PeerAddr) end; _ -> Shell @@ -505,31 +531,3 @@ not_zero(0, B) -> not_zero(A, _) -> A. -%%% Backwards compatibility - -%%-------------------------------------------------------------------- -%% Function: listen(...) -> {ok,Pid} | ignore | {error,Error} -%% Description: Starts a listening server -%% Note that the pid returned is NOT the pid of this gen_server; -%% this server is started when an SSH connection is made on the -%% listening port -%%-------------------------------------------------------------------- -listen(Shell) -> - listen(Shell, 22). - -listen(Shell, Port) -> - listen(Shell, Port, []). - -listen(Shell, Port, Opts) -> - listen(Shell, any, Port, Opts). - -listen(Shell, HostAddr, Port, Opts) -> - ssh:daemon(HostAddr, Port, [{shell, Shell} | Opts]). - - -%%-------------------------------------------------------------------- -%% Function: stop(Pid) -> ok -%% Description: Stops the listener -%%-------------------------------------------------------------------- -stop(Pid) -> - ssh:stop_listener(Pid). diff --git a/lib/ssh/src/ssh_connect.hrl b/lib/ssh/src/ssh_connect.hrl index 932b0642f1..8421b07167 100644 --- a/lib/ssh/src/ssh_connect.hrl +++ b/lib/ssh/src/ssh_connect.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2012. All Rights Reserved. +%% Copyright Ericsson AB 2005-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -21,6 +21,8 @@ %%% Description : SSH connection protocol +-type channel_id() :: integer(). + -define(DEFAULT_PACKET_SIZE, 32768). -define(DEFAULT_WINDOW_SIZE, 2*?DEFAULT_PACKET_SIZE). -define(DEFAULT_TIMEOUT, 5000). @@ -260,6 +262,7 @@ port, options, exec, + system_supervisor, sub_system_supervisor, connection_supervisor }). diff --git a/lib/ssh/src/ssh_connection.erl b/lib/ssh/src/ssh_connection.erl index 9424cdd423..b377614949 100644 --- a/lib/ssh/src/ssh_connection.erl +++ b/lib/ssh/src/ssh_connection.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2012. All Rights Reserved. +%% Copyright Ericsson AB 2008-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -29,232 +29,205 @@ -include("ssh_connect.hrl"). -include("ssh_transport.hrl"). +%% API -export([session_channel/2, session_channel/4, exec/4, shell/2, subsystem/4, send/3, send/4, send/5, - send_eof/2, adjust_window/3, open_pty/3, open_pty/7, - open_pty/9, setenv/5, window_change/4, window_change/6, + send_eof/2, adjust_window/3, setenv/5, close/2, reply_request/4]). + +%% Potential API currently unsupported and not tested +-export([open_pty/3, open_pty/7, + open_pty/9, window_change/4, window_change/6, direct_tcpip/6, direct_tcpip/8, tcpip_forward/3, - cancel_tcpip_forward/3, signal/3, exit_status/3, encode_ip/1, close/2, - reply_request/4]). + cancel_tcpip_forward/3, signal/3, exit_status/3]). --export([channel_data/6, handle_msg/4, channel_eof_msg/1, +%% Internal application API +-export([channel_data/5, handle_msg/3, channel_eof_msg/1, channel_close_msg/1, channel_success_msg/1, channel_failure_msg/1, + channel_status_msg/1, channel_adjust_window_msg/2, channel_data_msg/3, channel_open_msg/5, channel_open_confirmation_msg/4, channel_open_failure_msg/4, channel_request_msg/4, global_request_msg/3, request_failure_msg/0, request_success_msg/1, bind/4, unbind/3, unbind_channel/2, - bound_channel/3, messages/0]). + bound_channel/3, encode_ip/1]). %%-------------------------------------------------------------------- -%%% Internal application API +%%% API %%-------------------------------------------------------------------- %%-------------------------------------------------------------------- -%% Function: session_channel(ConnectionManager -%% [, InitialWindowSize, MaxPacketSize], -%% Timeout) -> {ok, } -%% ConnectionManager = pid() -%% InitialWindowSize = integer() -%% MaxPacketSize = integer() -%% +-spec session_channel(pid(), timeout()) -> {ok, channel_id()} | {error, term()}. +-spec session_channel(pid(), integer(), integer(), timeout()) -> {ok, channel_id()} | {error, term()}. + %% Description: Opens a channel for a ssh session. A session is a %% remote execution of a program. The program may be a shell, an %% application, a system command, or some built-in subsystem. %% -------------------------------------------------------------------- -session_channel(ConnectionManager, Timeout) -> - session_channel(ConnectionManager, + +session_channel(ConnectionHandler, Timeout) -> + session_channel(ConnectionHandler, ?DEFAULT_WINDOW_SIZE, ?DEFAULT_PACKET_SIZE, Timeout). -session_channel(ConnectionManager, InitialWindowSize, + +session_channel(ConnectionHandler, InitialWindowSize, MaxPacketSize, Timeout) -> - ssh_connection_manager:open_channel(ConnectionManager, "session", <<>>, + case ssh_connection_handler:open_channel(ConnectionHandler, "session", <<>>, InitialWindowSize, - MaxPacketSize, Timeout). + MaxPacketSize, Timeout) of + {open, Channel} -> + {ok, Channel}; + Error -> + Error + end. + %%-------------------------------------------------------------------- -%% Function: exec(ConnectionManager, ChannelId, Command, Timeout) -> -%% -%% ConnectionManager = pid() -%% ChannelId = integer() -%% Cmd = string() -%% Timeout = integer() -%% +-spec exec(pid(), channel_id(), string(), timeout()) -> success | failure. + %% Description: Will request that the server start the %% execution of the given command. %%-------------------------------------------------------------------- -exec(ConnectionManager, ChannelId, Command, TimeOut) -> - ssh_connection_manager:request(ConnectionManager, self(), ChannelId, "exec", - true, [?string(Command)], TimeOut). +exec(ConnectionHandler, ChannelId, Command, TimeOut) -> + ssh_connection_handler:request(ConnectionHandler, self(), ChannelId, "exec", + true, [?string(Command)], TimeOut). + %%-------------------------------------------------------------------- -%% Function: shell(ConnectionManager, ChannelId) -> -%% -%% ConnectionManager = pid() -%% ChannelId = integer() -%% +-spec shell(pid(), channel_id()) -> _. + %% Description: Will request that the user's default shell (typically %% defined in /etc/passwd in UNIX systems) be started at the other %% end. %%-------------------------------------------------------------------- -shell(ConnectionManager, ChannelId) -> - ssh_connection_manager:request(ConnectionManager, self(), ChannelId, +shell(ConnectionHandler, ChannelId) -> + ssh_connection_handler:request(ConnectionHandler, self(), ChannelId, "shell", false, <<>>, 0). %%-------------------------------------------------------------------- -%% Function: subsystem(ConnectionManager, ChannelId, SubSystem, TimeOut) -> -%% -%% ConnectionManager = pid() -%% ChannelId = integer() -%% SubSystem = string() -%% TimeOut = integer() -%% +-spec subsystem(pid(), channel_id(), string(), timeout()) -> + success | failure | {error, timeout}. %% %% Description: Executes a predefined subsystem. %%-------------------------------------------------------------------- -subsystem(ConnectionManager, ChannelId, SubSystem, TimeOut) -> - ssh_connection_manager:request(ConnectionManager, self(), +subsystem(ConnectionHandler, ChannelId, SubSystem, TimeOut) -> + ssh_connection_handler:request(ConnectionHandler, self(), ChannelId, "subsystem", true, [?string(SubSystem)], TimeOut). %%-------------------------------------------------------------------- -%% Function: send(ConnectionManager, ChannelId, Type, Data, [TimeOut]) -> +-spec send(pid(), channel_id(), iodata()) -> + ok | {error, closed}. +-spec send(pid(), channel_id(), integer()| iodata(), timeout() | iodata()) -> + ok | {error, timeout} | {error, closed}. +-spec send(pid(), channel_id(), integer(), iodata(), timeout()) -> + ok | {error, timeout} | {error, closed}. %% %% %% Description: Sends channel data. %%-------------------------------------------------------------------- -send(ConnectionManager, ChannelId, Data) -> - send(ConnectionManager, ChannelId, 0, Data, infinity). -send(ConnectionManager, ChannelId, Data, TimeOut) when is_integer(TimeOut) -> - send(ConnectionManager, ChannelId, 0, Data, TimeOut); -send(ConnectionManager, ChannelId, Data, infinity) -> - send(ConnectionManager, ChannelId, 0, Data, infinity); -send(ConnectionManager, ChannelId, Type, Data) -> - send(ConnectionManager, ChannelId, Type, Data, infinity). -send(ConnectionManager, ChannelId, Type, Data, TimeOut) -> - ssh_connection_manager:send(ConnectionManager, ChannelId, +send(ConnectionHandler, ChannelId, Data) -> + send(ConnectionHandler, ChannelId, 0, Data, infinity). +send(ConnectionHandler, ChannelId, Data, TimeOut) when is_integer(TimeOut) -> + send(ConnectionHandler, ChannelId, 0, Data, TimeOut); +send(ConnectionHandler, ChannelId, Data, infinity) -> + send(ConnectionHandler, ChannelId, 0, Data, infinity); +send(ConnectionHandler, ChannelId, Type, Data) -> + send(ConnectionHandler, ChannelId, Type, Data, infinity). +send(ConnectionHandler, ChannelId, Type, Data, TimeOut) -> + ssh_connection_handler:send(ConnectionHandler, ChannelId, Type, Data, TimeOut). %%-------------------------------------------------------------------- -%% Function: send_eof(ConnectionManager, ChannelId) -> +-spec send_eof(pid(), channel_id()) -> ok | {error, closed}. %% %% %% Description: Sends eof on the channel <ChannelId>. %%-------------------------------------------------------------------- -send_eof(ConnectionManager, Channel) -> - ssh_connection_manager:send_eof(ConnectionManager, Channel). +send_eof(ConnectionHandler, Channel) -> + ssh_connection_handler:send_eof(ConnectionHandler, Channel). %%-------------------------------------------------------------------- -%% Function: adjust_window(ConnectionManager, Channel, Bytes) -> +-spec adjust_window(pid(), channel_id(), integer()) -> ok. %% %% %% Description: Adjusts the ssh flowcontrol window. %%-------------------------------------------------------------------- -adjust_window(ConnectionManager, Channel, Bytes) -> - ssh_connection_manager:adjust_window(ConnectionManager, Channel, Bytes). +adjust_window(ConnectionHandler, Channel, Bytes) -> + ssh_connection_handler:adjust_window(ConnectionHandler, Channel, Bytes). %%-------------------------------------------------------------------- -%% Function: setenv(ConnectionManager, ChannelId, Var, Value, TimeOut) -> +-spec setenv(pid(), channel_id(), string(), string(), timeout()) -> success | failure. %% %% %% Description: Environment variables may be passed to the shell/command to be %% started later. %%-------------------------------------------------------------------- -setenv(ConnectionManager, ChannelId, Var, Value, TimeOut) -> - ssh_connection_manager:request(ConnectionManager, ChannelId, +setenv(ConnectionHandler, ChannelId, Var, Value, TimeOut) -> + ssh_connection_handler:request(ConnectionHandler, ChannelId, "env", true, [?string(Var), ?string(Value)], TimeOut). %%-------------------------------------------------------------------- -%% Function: close(ConnectionManager, ChannelId) -> +-spec close(pid(), channel_id()) -> ok. %% %% %% Description: Sends a close message on the channel <ChannelId>. %%-------------------------------------------------------------------- -close(ConnectionManager, ChannelId) -> - ssh_connection_manager:close(ConnectionManager, ChannelId). - +close(ConnectionHandler, ChannelId) -> + ssh_connection_handler:close(ConnectionHandler, ChannelId). %%-------------------------------------------------------------------- -%% Function: reply_request(ConnectionManager, WantReply, Status, CannelId) ->_ +-spec reply_request(pid(), boolean(), success | failure, channel_id()) -> ok. %% %% %% Description: Send status replies to requests that want such replies. %%-------------------------------------------------------------------- -reply_request(ConnectionManager, true, Status, ChannelId) -> - ssh_connection_manager:reply_request(ConnectionManager, Status, ChannelId), - ok; +reply_request(ConnectionHandler, true, Status, ChannelId) -> + ssh_connection_handler:reply_request(ConnectionHandler, Status, ChannelId); reply_request(_,false, _, _) -> ok. - %%-------------------------------------------------------------------- -%% Function: window_change(ConnectionManager, Channel, Width, Height) -> -%% -%% -%% Description: Not yet officialy supported. +%% Not yet officialy supported! The following functions are part of the +%% initial contributed ssh application. They are untested. Do we want them? +%% Should they be documented and tested? %%-------------------------------------------------------------------- -window_change(ConnectionManager, Channel, Width, Height) -> - window_change(ConnectionManager, Channel, Width, Height, 0, 0). -window_change(ConnectionManager, Channel, Width, Height, +window_change(ConnectionHandler, Channel, Width, Height) -> + window_change(ConnectionHandler, Channel, Width, Height, 0, 0). +window_change(ConnectionHandler, Channel, Width, Height, PixWidth, PixHeight) -> - ssh_connection_manager:request(ConnectionManager, Channel, + ssh_connection_handler:request(ConnectionHandler, Channel, "window-change", false, [?uint32(Width), ?uint32(Height), ?uint32(PixWidth), ?uint32(PixHeight)], 0). -%%-------------------------------------------------------------------- -%% Function: signal(ConnectionManager, Channel, Sig) -> -%% -%% -%% Description: Not yet officialy supported. -%%-------------------------------------------------------------------- -signal(ConnectionManager, Channel, Sig) -> - ssh_connection_manager:request(ConnectionManager, Channel, + +signal(ConnectionHandler, Channel, Sig) -> + ssh_connection_handler:request(ConnectionHandler, Channel, "signal", false, [?string(Sig)], 0). -%%-------------------------------------------------------------------- -%% Function: signal(ConnectionManager, Channel, Status) -> -%% -%% -%% Description: Not yet officialy supported. -%%-------------------------------------------------------------------- -exit_status(ConnectionManager, Channel, Status) -> - ssh_connection_manager:request(ConnectionManager, Channel, - "exit-status", false, [?uint32(Status)], 0). +exit_status(ConnectionHandler, Channel, Status) -> + ssh_connection_handler:request(ConnectionHandler, Channel, + "exit-status", false, [?uint32(Status)], 0). -%%-------------------------------------------------------------------- -%% Function: open_pty(ConnectionManager, Channel, TimeOut) -> -%% -%% -%% Description: Not yet officialy supported. -%%-------------------------------------------------------------------- -open_pty(ConnectionManager, Channel, TimeOut) -> - open_pty(ConnectionManager, Channel, +open_pty(ConnectionHandler, Channel, TimeOut) -> + open_pty(ConnectionHandler, Channel, os:getenv("TERM"), 80, 24, [], TimeOut). -open_pty(ConnectionManager, Channel, Term, Width, Height, PtyOpts, TimeOut) -> - open_pty(ConnectionManager, Channel, Term, Width, +open_pty(ConnectionHandler, Channel, Term, Width, Height, PtyOpts, TimeOut) -> + open_pty(ConnectionHandler, Channel, Term, Width, Height, 0, 0, PtyOpts, TimeOut). -open_pty(ConnectionManager, Channel, Term, Width, Height, +open_pty(ConnectionHandler, Channel, Term, Width, Height, PixWidth, PixHeight, PtyOpts, TimeOut) -> - ssh_connection_manager:request(ConnectionManager, + ssh_connection_handler:request(ConnectionHandler, Channel, "pty-req", true, [?string(Term), ?uint32(Width), ?uint32(Height), ?uint32(PixWidth),?uint32(PixHeight), encode_pty_opts(PtyOpts)], TimeOut). - -%%-------------------------------------------------------------------- -%% Function: direct_tcpip(ConnectionManager, RemoteHost, -%% RemotePort, OrigIP, OrigPort, Timeout) -> -%% -%% -%% Description: Not yet officialy supported. -%%-------------------------------------------------------------------- -direct_tcpip(ConnectionManager, RemoteHost, +direct_tcpip(ConnectionHandler, RemoteHost, RemotePort, OrigIP, OrigPort, Timeout) -> - direct_tcpip(ConnectionManager, RemoteHost, RemotePort, OrigIP, OrigPort, + direct_tcpip(ConnectionHandler, RemoteHost, RemotePort, OrigIP, OrigPort, ?DEFAULT_WINDOW_SIZE, ?DEFAULT_PACKET_SIZE, Timeout). -direct_tcpip(ConnectionManager, RemoteIP, RemotePort, OrigIP, OrigPort, +direct_tcpip(ConnectionHandler, RemoteIP, RemotePort, OrigIP, OrigPort, InitialWindowSize, MaxPacketSize, Timeout) -> case {encode_ip(RemoteIP), encode_ip(OrigIP)} of {false, _} -> @@ -262,7 +235,7 @@ direct_tcpip(ConnectionManager, RemoteIP, RemotePort, OrigIP, OrigPort, {_, false} -> {error, einval}; {RIP, OIP} -> - ssh_connection_manager:open_channel(ConnectionManager, + ssh_connection_handler:open_channel(ConnectionHandler, "direct-tcpip", [?string(RIP), ?uint32(RemotePort), @@ -272,34 +245,24 @@ direct_tcpip(ConnectionManager, RemoteIP, RemotePort, OrigIP, OrigPort, MaxPacketSize, Timeout) end. -%%-------------------------------------------------------------------- -%% Function: tcpip_forward(ConnectionManager, BindIP, BindPort) -> -%% -%% -%% Description: Not yet officialy supported. -%%-------------------------------------------------------------------- -tcpip_forward(ConnectionManager, BindIP, BindPort) -> + +tcpip_forward(ConnectionHandler, BindIP, BindPort) -> case encode_ip(BindIP) of false -> {error, einval}; IPStr -> - ssh_connection_manager:global_request(ConnectionManager, + ssh_connection_handler:global_request(ConnectionHandler, "tcpip-forward", true, [?string(IPStr), ?uint32(BindPort)]) end. -%%-------------------------------------------------------------------- -%% Function: cancel_tcpip_forward(ConnectionManager, BindIP, Port) -> -%% -%% -%% Description: Not yet officialy supported. -%%-------------------------------------------------------------------- -cancel_tcpip_forward(ConnectionManager, BindIP, Port) -> + +cancel_tcpip_forward(ConnectionHandler, BindIP, Port) -> case encode_ip(BindIP) of false -> {error, einval}; IPStr -> - ssh_connection_manager:global_request(ConnectionManager, + ssh_connection_handler:global_request(ConnectionHandler, "cancel-tcpip-forward", true, [?string(IPStr), ?uint32(Port)]) @@ -308,22 +271,49 @@ cancel_tcpip_forward(ConnectionManager, BindIP, Port) -> %%-------------------------------------------------------------------- %%% Internal API %%-------------------------------------------------------------------- -channel_data(ChannelId, DataType, Data, Connection, ConnectionPid, From) +l2b(L) when is_integer(hd(L)) -> + try list_to_binary(L) + of + B -> B + catch + _:_ -> + unicode:characters_to_binary(L) + end; +l2b([H|T]) -> + << (l2b(H))/binary, (l2b(T))/binary >>; +l2b(B) when is_binary(B) -> + B; +l2b([]) -> + <<>>. + + + +channel_data(ChannelId, DataType, Data, Connection, From) when is_list(Data)-> channel_data(ChannelId, DataType, - list_to_binary(Data), Connection, ConnectionPid, From); +%% list_to_binary(Data), Connection, From); + l2b(Data), Connection, From); + %% try list_to_binary(Data) + %% of + %% B -> B + %% catch + %% _:_ -> io:format('BAD BINARY: ~p~n',[Data]), + %% unicode:characters_to_binary(Data) + %% end, + %% Connection, From); channel_data(ChannelId, DataType, Data, - #connection{channel_cache = Cache} = Connection, ConnectionPid, + #connection{channel_cache = Cache} = Connection, From) -> case ssh_channel:cache_lookup(Cache, ChannelId) of #channel{remote_id = Id, sent_close = false} = Channel0 -> - {SendList, Channel} = update_send_window(Channel0#channel{flow_control = From}, DataType, - Data, Connection), + {SendList, Channel} = + update_send_window(Channel0#channel{flow_control = From}, DataType, + Data, Connection), Replies = lists:map(fun({SendDataType, SendData}) -> - {connection_reply, ConnectionPid, + {connection_reply, channel_data_msg(Id, SendDataType, SendData)} @@ -333,7 +323,7 @@ channel_data(ChannelId, DataType, Data, Cache), {{replies, Replies ++ FlowCtrlMsgs}, Connection}; _ -> - gen_server:reply(From, {error, closed}), + gen_fsm:reply(From, {error, closed}), {noreply, Connection} end. @@ -341,7 +331,7 @@ handle_msg(#ssh_msg_channel_open_confirmation{recipient_channel = ChannelId, sender_channel = RemoteId, initial_window_size = WindowSz, maximum_packet_size = PacketSz}, - #connection{channel_cache = Cache} = Connection0, _, _) -> + #connection{channel_cache = Cache} = Connection0, _) -> #channel{remote_id = undefined} = Channel = ssh_channel:cache_lookup(Cache, ChannelId), @@ -357,7 +347,7 @@ handle_msg(#ssh_msg_channel_open_failure{recipient_channel = ChannelId, reason = Reason, description = Descr, lang = Lang}, - #connection{channel_cache = Cache} = Connection0, _, _) -> + #connection{channel_cache = Cache} = Connection0, _) -> Channel = ssh_channel:cache_lookup(Cache, ChannelId), ssh_channel:cache_delete(Cache, ChannelId), {Reply, Connection} = @@ -365,51 +355,59 @@ handle_msg(#ssh_msg_channel_open_failure{recipient_channel = ChannelId, {{replies, [Reply]}, Connection}; handle_msg(#ssh_msg_channel_success{recipient_channel = ChannelId}, - #connection{channel_cache = Cache} = Connection0, _, _) -> + #connection{channel_cache = Cache} = Connection0, _) -> Channel = ssh_channel:cache_lookup(Cache, ChannelId), - {Reply, Connection} = reply_msg(Channel, Connection0, success), - {{replies, [Reply]}, Connection}; + case reply_msg(Channel, Connection0, success) of + {[], Connection} -> + {noreply, Connection}; + {Reply, Connection} -> + {{replies, [Reply]}, Connection} + end; handle_msg(#ssh_msg_channel_failure{recipient_channel = ChannelId}, - #connection{channel_cache = Cache} = Connection0, _, _) -> + #connection{channel_cache = Cache} = Connection0, _) -> Channel = ssh_channel:cache_lookup(Cache, ChannelId), - {Reply, Connection} = reply_msg(Channel, Connection0, failure), - {{replies, [Reply]}, Connection}; + case reply_msg(Channel, Connection0, failure) of + {[], Connection} -> + {noreply, Connection}; + {Reply, Connection} -> + {{replies, [Reply]}, Connection} + end; + handle_msg(#ssh_msg_channel_eof{recipient_channel = ChannelId}, - #connection{channel_cache = Cache} = Connection0, _, _) -> + #connection{channel_cache = Cache} = Connection0, _) -> Channel = ssh_channel:cache_lookup(Cache, ChannelId), {Reply, Connection} = reply_msg(Channel, Connection0, {eof, ChannelId}), {{replies, [Reply]}, Connection}; handle_msg(#ssh_msg_channel_close{recipient_channel = ChannelId}, - #connection{channel_cache = Cache} = Connection0, - ConnectionPid, _) -> + #connection{channel_cache = Cache} = Connection0, _) -> case ssh_channel:cache_lookup(Cache, ChannelId) of - #channel{sent_close = Closed, remote_id = RemoteId, flow_control = FlowControl} = Channel -> + #channel{sent_close = Closed, remote_id = RemoteId, + flow_control = FlowControl} = Channel -> ssh_channel:cache_delete(Cache, ChannelId), {CloseMsg, Connection} = reply_msg(Channel, Connection0, {closed, ChannelId}), - - ConnReplyMsgs = - case Closed of - true -> []; - false -> - RemoteCloseMsg = channel_close_msg(RemoteId), - [{connection_reply, ConnectionPid, RemoteCloseMsg}] - end, - - %% if there was a send() in progress, make it fail - SendReplyMsgs = - case FlowControl of - undefined -> []; - From -> - [{flow_control, From, {error, closed}}] - end, - - Replies = ConnReplyMsgs ++ [CloseMsg] ++ SendReplyMsgs, - {{replies, Replies}, Connection}; + ConnReplyMsgs = + case Closed of + true -> []; + false -> + RemoteCloseMsg = channel_close_msg(RemoteId), + [{connection_reply, RemoteCloseMsg}] + end, + + %% if there was a send() in progress, make it fail + SendReplyMsgs = + case FlowControl of + undefined -> []; + From -> + [{flow_control, From, {error, closed}}] + end, + + Replies = ConnReplyMsgs ++ [CloseMsg] ++ SendReplyMsgs, + {{replies, Replies}, Connection}; undefined -> {{replies, []}, Connection0} @@ -417,21 +415,24 @@ handle_msg(#ssh_msg_channel_close{recipient_channel = ChannelId}, handle_msg(#ssh_msg_channel_data{recipient_channel = ChannelId, data = Data}, - #connection{channel_cache = Cache} = Connection0, _, _) -> + #connection{channel_cache = Cache} = Connection0, _) -> - #channel{recv_window_size = Size} = Channel = - ssh_channel:cache_lookup(Cache, ChannelId), - WantedSize = Size - size(Data), - ssh_channel:cache_update(Cache, Channel#channel{ - recv_window_size = WantedSize}), - {Replies, Connection} = - channel_data_reply(Cache, Channel, Connection0, 0, Data), - {{replies, Replies}, Connection}; + case ssh_channel:cache_lookup(Cache, ChannelId) of + #channel{recv_window_size = Size} = Channel -> + WantedSize = Size - size(Data), + ssh_channel:cache_update(Cache, Channel#channel{ + recv_window_size = WantedSize}), + {Replies, Connection} = + channel_data_reply(Cache, Channel, Connection0, 0, Data), + {{replies, Replies}, Connection}; + undefined -> + {noreply, Connection0} + end; handle_msg(#ssh_msg_channel_extended_data{recipient_channel = ChannelId, data_type_code = DataType, data = Data}, - #connection{channel_cache = Cache} = Connection0, _, _) -> + #connection{channel_cache = Cache} = Connection0, _) -> #channel{recv_window_size = Size} = Channel = ssh_channel:cache_lookup(Cache, ChannelId), @@ -444,9 +445,7 @@ handle_msg(#ssh_msg_channel_extended_data{recipient_channel = ChannelId, handle_msg(#ssh_msg_channel_window_adjust{recipient_channel = ChannelId, bytes_to_add = Add}, - #connection{channel_cache = Cache} = Connection, - ConnectionPid, _) -> - + #connection{channel_cache = Cache} = Connection, _) -> #channel{send_window_size = Size, remote_id = RemoteId} = Channel0 = ssh_channel:cache_lookup(Cache, ChannelId), @@ -455,8 +454,7 @@ handle_msg(#ssh_msg_channel_window_adjust{recipient_channel = ChannelId, 0, undefined, Connection), Replies = lists:map(fun({Type, Data}) -> - {connection_reply, ConnectionPid, - channel_data_msg(RemoteId, Type, Data)} + {connection_reply, channel_data_msg(RemoteId, Type, Data)} end, SendList), FlowCtrlMsgs = flow_control(Channel, Cache), {{replies, Replies ++ FlowCtrlMsgs}, Connection}; @@ -464,10 +462,9 @@ handle_msg(#ssh_msg_channel_window_adjust{recipient_channel = ChannelId, handle_msg(#ssh_msg_channel_open{channel_type = "session" = Type, sender_channel = RemoteId, initial_window_size = WindowSz, - maximum_packet_size = PacketSz}, Connection0, - ConnectionPid, server) -> + maximum_packet_size = PacketSz}, Connection0, server) -> - try setup_session(Connection0, ConnectionPid, RemoteId, + try setup_session(Connection0, RemoteId, Type, WindowSz, PacketSz) of Result -> Result @@ -475,20 +472,20 @@ handle_msg(#ssh_msg_channel_open{channel_type = "session" = Type, FailMsg = channel_open_failure_msg(RemoteId, ?SSH_OPEN_CONNECT_FAILED, "Connection refused", "en"), - {{replies, [{connection_reply, ConnectionPid, FailMsg}]}, + {{replies, [{connection_reply, FailMsg}]}, Connection0} end; handle_msg(#ssh_msg_channel_open{channel_type = "session", sender_channel = RemoteId}, - Connection, ConnectionPid, client) -> + Connection, client) -> %% Client implementations SHOULD reject any session channel open %% requests to make it more difficult for a corrupt server to attack the %% client. See See RFC 4254 6.1. FailMsg = channel_open_failure_msg(RemoteId, ?SSH_OPEN_CONNECT_FAILED, "Connection refused", "en"), - {{replies, [{connection_reply, ConnectionPid, FailMsg}]}, + {{replies, [{connection_reply, FailMsg}]}, Connection}; handle_msg(#ssh_msg_channel_open{channel_type = "forwarded-tcpip" = Type, @@ -496,8 +493,7 @@ handle_msg(#ssh_msg_channel_open{channel_type = "forwarded-tcpip" = Type, initial_window_size = RWindowSz, maximum_packet_size = RPacketSz, data = Data}, - #connection{channel_cache = Cache} = Connection0, - ConnectionPid, server) -> + #connection{channel_cache = Cache} = Connection0, server) -> <<?UINT32(ALen), Address:ALen/binary, ?UINT32(Port), ?UINT32(OLen), Orig:OLen/binary, ?UINT32(OrigPort)>> = Data, @@ -507,7 +503,7 @@ handle_msg(#ssh_msg_channel_open{channel_type = "forwarded-tcpip" = Type, ?SSH_OPEN_CONNECT_FAILED, "Connection refused", "en"), {{replies, - [{connection_reply, ConnectionPid, FailMsg}]}, Connection0}; + [{connection_reply, FailMsg}]}, Connection0}; ChannelPid -> {ChannelId, Connection1} = new_channel_id(Connection0), LWindowSz = ?DEFAULT_WINDOW_SIZE, @@ -528,32 +524,31 @@ handle_msg(#ssh_msg_channel_open{channel_type = "forwarded-tcpip" = Type, {open, Channel, {forwarded_tcpip, decode_ip(Address), Port, decode_ip(Orig), OrigPort}}), - {{replies, [{connection_reply, ConnectionPid, OpenConfMsg}, + {{replies, [{connection_reply, OpenConfMsg}, OpenMsg]}, Connection} end; handle_msg(#ssh_msg_channel_open{channel_type = "forwarded-tcpip", sender_channel = RemoteId}, - Connection, ConnectionPid, client) -> + Connection, client) -> %% Client implementations SHOULD reject direct TCP/IP open requests for %% security reasons. See RFC 4254 7.2. FailMsg = channel_open_failure_msg(RemoteId, ?SSH_OPEN_CONNECT_FAILED, "Connection refused", "en"), - {{replies, [{connection_reply, ConnectionPid, FailMsg}]}, Connection}; + {{replies, [{connection_reply, FailMsg}]}, Connection}; -handle_msg(#ssh_msg_channel_open{sender_channel = RemoteId}, Connection, - ConnectionPid, _) -> +handle_msg(#ssh_msg_channel_open{sender_channel = RemoteId}, Connection, _) -> FailMsg = channel_open_failure_msg(RemoteId, ?SSH_OPEN_ADMINISTRATIVELY_PROHIBITED, "Not allowed", "en"), - {{replies, [{connection_reply, ConnectionPid, FailMsg}]}, Connection}; + {{replies, [{connection_reply, FailMsg}]}, Connection}; handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, request_type = "exit-status", data = Data}, - #connection{channel_cache = Cache} = Connection, _, _) -> + #connection{channel_cache = Cache} = Connection, _) -> <<?UINT32(Status)>> = Data, Channel = ssh_channel:cache_lookup(Cache, ChannelId), {Reply, Connection} = @@ -564,8 +559,7 @@ handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, request_type = "exit-signal", want_reply = false, data = Data}, - #connection{channel_cache = Cache} = Connection0, - ConnectionPid, _) -> + #connection{channel_cache = Cache} = Connection0, _) -> <<?UINT32(SigLen), SigName:SigLen/binary, ?BOOLEAN(_Core), ?UINT32(ErrLen), Err:ErrLen/binary, @@ -578,14 +572,14 @@ handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, binary_to_list(Err), binary_to_list(Lang)}), CloseMsg = channel_close_msg(RemoteId), - {{replies, [{connection_reply, ConnectionPid, CloseMsg}, Reply]}, + {{replies, [{connection_reply, CloseMsg}, Reply]}, Connection}; handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, request_type = "xon-xoff", want_reply = false, data = Data}, - #connection{channel_cache = Cache} = Connection, _, _) -> + #connection{channel_cache = Cache} = Connection, _) -> <<?BOOLEAN(CDo)>> = Data, Channel = ssh_channel:cache_lookup(Cache, ChannelId), {Reply, Connection} = @@ -596,7 +590,7 @@ handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, request_type = "window-change", want_reply = false, data = Data}, - #connection{channel_cache = Cache} = Connection0, _, _) -> + #connection{channel_cache = Cache} = Connection0, _) -> <<?UINT32(Width),?UINT32(Height), ?UINT32(PixWidth), ?UINT32(PixHeight)>> = Data, Channel = ssh_channel:cache_lookup(Cache, ChannelId), @@ -609,7 +603,7 @@ handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, request_type = "signal", data = Data}, - #connection{channel_cache = Cache} = Connection0, _, _) -> + #connection{channel_cache = Cache} = Connection0, _) -> <<?UINT32(SigLen), SigName:SigLen/binary>> = Data, Channel = ssh_channel:cache_lookup(Cache, ChannelId), @@ -622,8 +616,7 @@ handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, request_type = "subsystem", want_reply = WantReply, data = Data}, - #connection{channel_cache = Cache} = Connection, - ConnectionPid, server) -> + #connection{channel_cache = Cache} = Connection, server) -> <<?UINT32(SsLen), SsName:SsLen/binary>> = Data, #channel{remote_id = RemoteId} = Channel0 = @@ -631,22 +624,23 @@ handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, ReplyMsg = {subsystem, ChannelId, WantReply, binary_to_list(SsName)}, - try start_subsytem(SsName, Connection, Channel0, ReplyMsg) of - {ok, Pid} -> - erlang:monitor(process, Pid), - Channel = Channel0#channel{user = Pid}, - ssh_channel:cache_update(Cache, Channel), - Reply = {connection_reply, ConnectionPid, - channel_success_msg(RemoteId)}, - {{replies, [Reply]}, Connection} - catch _:_ -> - Reply = {connection_reply, ConnectionPid, - channel_failure_msg(RemoteId)}, - {{replies, [Reply]}, Connection} + try + {ok, Pid} = start_subsytem(SsName, Connection, Channel0, ReplyMsg), + erlang:monitor(process, Pid), + Channel = Channel0#channel{user = Pid}, + ssh_channel:cache_update(Cache, Channel), + Reply = {connection_reply, + channel_success_msg(RemoteId)}, + {{replies, [Reply]}, Connection} + catch + _:_ -> + ErrorReply = {connection_reply, + channel_failure_msg(RemoteId)}, + {{replies, [ErrorReply]}, Connection} end; handle_msg(#ssh_msg_channel_request{request_type = "subsystem"}, - Connection, _, client) -> + Connection, client) -> %% The client SHOULD ignore subsystem requests. See RFC 4254 6.5. {{replies, []}, Connection}; @@ -654,8 +648,7 @@ handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, request_type = "pty-req", want_reply = WantReply, data = Data}, - #connection{channel_cache = Cache} = Connection, - ConnectionPid, server) -> + #connection{channel_cache = Cache} = Connection, server) -> <<?UINT32(TermLen), BTermName:TermLen/binary, ?UINT32(Width),?UINT32(Height), ?UINT32(PixWidth), ?UINT32(PixHeight), @@ -667,27 +660,26 @@ handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, Channel = ssh_channel:cache_lookup(Cache, ChannelId), - handle_cli_msg(Connection, ConnectionPid, Channel, + handle_cli_msg(Connection, Channel, {pty, ChannelId, WantReply, PtyRequest}); handle_msg(#ssh_msg_channel_request{request_type = "pty-req"}, - Connection, _, client) -> + Connection, client) -> %% The client SHOULD ignore pty requests. See RFC 4254 6.2. {{replies, []}, Connection}; handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, request_type = "shell", want_reply = WantReply}, - #connection{channel_cache = Cache} = Connection, - ConnectionPid, server) -> + #connection{channel_cache = Cache} = Connection, server) -> Channel = ssh_channel:cache_lookup(Cache, ChannelId), - handle_cli_msg(Connection, ConnectionPid, Channel, + handle_cli_msg(Connection, Channel, {shell, ChannelId, WantReply}); handle_msg(#ssh_msg_channel_request{request_type = "shell"}, - Connection, _, client) -> + Connection, client) -> %% The client SHOULD ignore shell requests. See RFC 4254 6.5. {{replies, []}, Connection}; @@ -695,17 +687,16 @@ handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, request_type = "exec", want_reply = WantReply, data = Data}, - #connection{channel_cache = Cache} = Connection, - ConnectionPid, server) -> + #connection{channel_cache = Cache} = Connection, server) -> <<?UINT32(Len), Command:Len/binary>> = Data, Channel = ssh_channel:cache_lookup(Cache, ChannelId), - handle_cli_msg(Connection, ConnectionPid, Channel, + handle_cli_msg(Connection, Channel, {exec, ChannelId, WantReply, binary_to_list(Command)}); handle_msg(#ssh_msg_channel_request{request_type = "exec"}, - Connection, _, client) -> + Connection, client) -> %% The client SHOULD ignore exec requests. See RFC 4254 6.5. {{replies, []}, Connection}; @@ -713,31 +704,30 @@ handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, request_type = "env", want_reply = WantReply, data = Data}, - #connection{channel_cache = Cache} = Connection, - ConnectionPid, server) -> + #connection{channel_cache = Cache} = Connection, server) -> <<?UINT32(VarLen), Var:VarLen/binary, ?UINT32(ValueLen), Value:ValueLen/binary>> = Data, Channel = ssh_channel:cache_lookup(Cache, ChannelId), - handle_cli_msg(Connection, ConnectionPid, Channel, + handle_cli_msg(Connection, Channel, {env, ChannelId, WantReply, Var, Value}); handle_msg(#ssh_msg_channel_request{request_type = "env"}, - Connection, _, client) -> + Connection, client) -> %% The client SHOULD ignore env requests. {{replies, []}, Connection}; handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, request_type = _Other, - want_reply = WantReply}, #connection{channel_cache = Cache} = Connection, - ConnectionPid, _) -> + want_reply = WantReply}, + #connection{channel_cache = Cache} = Connection, _) -> if WantReply == true -> case ssh_channel:cache_lookup(Cache, ChannelId) of #channel{remote_id = RemoteId} -> FailMsg = channel_failure_msg(RemoteId), - {{replies, [{connection_reply, ConnectionPid, FailMsg}]}, + {{replies, [{connection_reply, FailMsg}]}, Connection}; undefined -> %% Chanel has been closed {noreply, Connection} @@ -748,61 +738,74 @@ handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, handle_msg(#ssh_msg_global_request{name = _Type, want_reply = WantReply, - data = _Data}, Connection, - ConnectionPid, _) -> + data = _Data}, Connection, _) -> if WantReply == true -> FailMsg = request_failure_msg(), - {{replies, [{connection_reply, ConnectionPid, FailMsg}]}, + {{replies, [{connection_reply, FailMsg}]}, Connection}; true -> {noreply, Connection} end; -%%% This transport message will also be handled at the connection level +handle_msg(#ssh_msg_request_failure{}, + #connection{requests = [{_, From} | Rest]} = Connection, _) -> + {{replies, [{channel_requst_reply, From, {failure, <<>>}}]}, + Connection#connection{requests = Rest}}; +handle_msg(#ssh_msg_request_success{data = Data}, + #connection{requests = [{_, From} | Rest]} = Connection, _) -> + {{replies, [{channel_requst_reply, From, {success, Data}}]}, + Connection#connection{requests = Rest}}; + handle_msg(#ssh_msg_disconnect{code = Code, description = Description, language = _Lang }, - #connection{channel_cache = Cache} = Connection0, _, _) -> + #connection{channel_cache = Cache} = Connection0, _) -> {Connection, Replies} = ssh_channel:cache_foldl(fun(Channel, {Connection1, Acc}) -> {Reply, Connection2} = reply_msg(Channel, - Connection1, {closed, Channel#channel.local_id}), + Connection1, + {closed, Channel#channel.local_id}), {Connection2, [Reply | Acc]} end, {Connection0, []}, Cache), ssh_channel:cache_delete(Cache), {disconnect, {Code, Description}, {{replies, Replies}, Connection}}. -handle_cli_msg(#connection{channel_cache = Cache} = Connection0, - ConnectionPid, +handle_cli_msg(#connection{channel_cache = Cache} = Connection, #channel{user = undefined, + remote_id = RemoteId, local_id = ChannelId} = Channel0, Reply0) -> - case (catch start_cli(Connection0, ChannelId)) of + case (catch start_cli(Connection, ChannelId)) of {ok, Pid} -> erlang:monitor(process, Pid), Channel = Channel0#channel{user = Pid}, ssh_channel:cache_update(Cache, Channel), - {Reply, Connection} = reply_msg(Channel, Connection0, Reply0), - {{replies, [Reply]}, Connection}; - _ -> - Reply = {connection_reply, ConnectionPid, - request_failure_msg()}, - {{replies, [Reply]}, Connection0} + Reply = {connection_reply, + channel_success_msg(RemoteId)}, + {{replies, [{channel_data, Pid, Reply0}, Reply]}, Connection}; + _Other -> + Reply = {connection_reply, + channel_failure_msg(RemoteId)}, + {{replies, [Reply]}, Connection} end; -handle_cli_msg(Connection0, _, Channel, Reply0) -> +handle_cli_msg(Connection0, Channel, Reply0) -> {Reply, Connection} = reply_msg(Channel, Connection0, Reply0), {{replies, [Reply]}, Connection}. - channel_eof_msg(ChannelId) -> #ssh_msg_channel_eof{recipient_channel = ChannelId}. channel_close_msg(ChannelId) -> #ssh_msg_channel_close {recipient_channel = ChannelId}. +channel_status_msg({success, ChannelId}) -> + channel_success_msg(ChannelId); +channel_status_msg({failure, ChannelId}) -> + channel_failure_msg(ChannelId). + channel_success_msg(ChannelId) -> #ssh_msg_channel_success{recipient_channel = ChannelId}. @@ -880,70 +883,6 @@ bound_channel(IP, Port, Connection) -> _ -> undefined end. -messages() -> - [ {ssh_msg_global_request, ?SSH_MSG_GLOBAL_REQUEST, - [string, - boolean, - '...']}, - - {ssh_msg_request_success, ?SSH_MSG_REQUEST_SUCCESS, - ['...']}, - - {ssh_msg_request_failure, ?SSH_MSG_REQUEST_FAILURE, - []}, - - {ssh_msg_channel_open, ?SSH_MSG_CHANNEL_OPEN, - [string, - uint32, - uint32, - uint32, - '...']}, - - {ssh_msg_channel_open_confirmation, ?SSH_MSG_CHANNEL_OPEN_CONFIRMATION, - [uint32, - uint32, - uint32, - uint32, - '...']}, - - {ssh_msg_channel_open_failure, ?SSH_MSG_CHANNEL_OPEN_FAILURE, - [uint32, - uint32, - string, - string]}, - - {ssh_msg_channel_window_adjust, ?SSH_MSG_CHANNEL_WINDOW_ADJUST, - [uint32, - uint32]}, - - {ssh_msg_channel_data, ?SSH_MSG_CHANNEL_DATA, - [uint32, - binary]}, - - {ssh_msg_channel_extended_data, ?SSH_MSG_CHANNEL_EXTENDED_DATA, - [uint32, - uint32, - binary]}, - - {ssh_msg_channel_eof, ?SSH_MSG_CHANNEL_EOF, - [uint32]}, - - {ssh_msg_channel_close, ?SSH_MSG_CHANNEL_CLOSE, - [uint32]}, - - {ssh_msg_channel_request, ?SSH_MSG_CHANNEL_REQUEST, - [uint32, - string, - boolean, - '...']}, - - {ssh_msg_channel_success, ?SSH_MSG_CHANNEL_SUCCESS, - [uint32]}, - - {ssh_msg_channel_failure, ?SSH_MSG_CHANNEL_FAILURE, - [uint32]} - ]. - encode_ip(Addr) when is_tuple(Addr) -> case catch inet_parse:ntoa(Addr) of {'EXIT',_} -> false; @@ -965,14 +904,14 @@ start_channel(Cb, Id, Args, SubSysSup) -> start_channel(Cb, Id, Args, SubSysSup, Exec) -> ChildSpec = child_spec(Cb, Id, Args, Exec), - ChannelSup =ssh_subsystem_sup:channel_supervisor(SubSysSup), + ChannelSup = ssh_subsystem_sup:channel_supervisor(SubSysSup), ssh_channel_sup:start_child(ChannelSup, ChildSpec). %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- setup_session(#connection{channel_cache = Cache} = Connection0, - ConnectionPid, RemoteId, + RemoteId, Type, WindowSize, PacketSize) -> {ChannelId, Connection} = new_channel_id(Connection0), @@ -990,7 +929,7 @@ setup_session(#connection{channel_cache = Cache} = Connection0, ?DEFAULT_WINDOW_SIZE, ?DEFAULT_PACKET_SIZE), - {{replies, [{connection_reply, ConnectionPid, OpenConfMsg}]}, Connection}. + {{replies, [{connection_reply, OpenConfMsg}]}, Connection}. check_subsystem("sftp"= SsName, Options) -> @@ -1019,35 +958,21 @@ child_spec(Callback, Id, Args, Exec) -> Type = worker, {Name, StartFunc, Restart, Shutdown, Type, [ssh_channel]}. -%% Backwards compatibility -start_cli(#connection{address = Address, port = Port, cli_spec = {Fun, [Shell]}, - options = Options}, - _ChannelId) when is_function(Fun) -> - case Fun(Shell, Address, Port, Options) of - NewFun when is_function(NewFun) -> - {ok, NewFun()}; - Pid when is_pid(Pid) -> - {ok, Pid} - end; - +start_cli(#connection{cli_spec = no_cli}, _) -> + {error, cli_disabled}; start_cli(#connection{cli_spec = {CbModule, Args}, exec = Exec, sub_system_supervisor = SubSysSup}, ChannelId) -> start_channel(CbModule, ChannelId, Args, SubSysSup, Exec). -start_subsytem(BinName, #connection{address = Address, port = Port, - options = Options, +start_subsytem(BinName, #connection{options = Options, sub_system_supervisor = SubSysSup}, - #channel{local_id = ChannelId, remote_id = RemoteChannelId}, - ReplyMsg) -> + #channel{local_id = ChannelId}, _ReplyMsg) -> Name = binary_to_list(BinName), case check_subsystem(Name, Options) of {Callback, Opts} when is_atom(Callback), Callback =/= none -> start_channel(Callback, ChannelId, Opts, SubSysSup); {Other, _} when Other =/= none -> - handle_backwards_compatibility(Other, self(), - ChannelId, RemoteChannelId, - Options, Address, Port, - {ssh_cm, self(), ReplyMsg}) + {error, legacy_option_not_supported} end. channel_data_reply(_, #channel{local_id = ChannelId} = Channel, @@ -1070,9 +995,12 @@ reply_msg(Channel, Connection, failure = Reply) -> request_reply_or_data(Channel, Connection, Reply); reply_msg(Channel, Connection, {closed, _} = Reply) -> request_reply_or_data(Channel, Connection, Reply); +reply_msg(undefined, Connection, _Reply) -> + {noreply, Connection}; reply_msg(#channel{user = ChannelPid}, Connection, Reply) -> {{channel_data, ChannelPid, Reply}, Connection}. + request_reply_or_data(#channel{local_id = ChannelId, user = ChannelPid}, #connection{requests = Requests} = Connection, Reply) -> @@ -1080,10 +1008,13 @@ request_reply_or_data(#channel{local_id = ChannelId, user = ChannelPid}, {value, {ChannelId, From}} -> {{channel_requst_reply, From, Reply}, Connection#connection{requests = - lists:keydelete(ChannelId, 1, Requests)}}; + lists:keydelete(ChannelId, 1, Requests)}}; + false when (Reply == success) or (Reply == failure) -> + {[], Connection}; false -> {{channel_data, ChannelPid, Reply}, Connection} end. + update_send_window(Channel, _, undefined, #connection{channel_cache = Cache}) -> do_update_send_window(Channel, Channel#channel.send_buf, Cache); @@ -1139,7 +1070,7 @@ flow_control([], Channel, Cache) -> []; flow_control([_|_], #channel{flow_control = From, - send_buf = []} = Channel, Cache) when From =/= undefined -> + send_buf = []} = Channel, Cache) when From =/= undefined -> [{flow_control, Cache, Channel, From, ok}]; flow_control(_,_,_) -> []. @@ -1341,43 +1272,3 @@ decode_ip(Addr) when is_binary(Addr) -> {ok,A} -> A end. -%% This is really awful and that is why it is beeing phased out. -handle_backwards_compatibility({_,_,_,_,_,_} = ChildSpec, _, _, _, _, - Address, Port, _) -> - SystemSup = ssh_system_sup:system_supervisor(Address, Port), - ChannelSup = ssh_system_sup:channel_supervisor(SystemSup), - ssh_channel_sup:start_child(ChannelSup, ChildSpec); - -handle_backwards_compatibility(Module, ConnectionManager, ChannelId, - RemoteChannelId, Opts, - _, _, Msg) when is_atom(Module) -> - {ok, SubSystemPid} = gen_server:start_link(Module, [Opts], []), - SubSystemPid ! - {ssh_cm, ConnectionManager, - {open, ChannelId, RemoteChannelId, {session}}}, - SubSystemPid ! Msg, - {ok, SubSystemPid}; - -handle_backwards_compatibility(Fun, ConnectionManager, ChannelId, - RemoteChannelId, - _, _, _, Msg) when is_function(Fun) -> - SubSystemPid = Fun(), - SubSystemPid ! - {ssh_cm, ConnectionManager, - {open, ChannelId, RemoteChannelId, {session}}}, - SubSystemPid ! Msg, - {ok, SubSystemPid}; - -handle_backwards_compatibility(ChildSpec, - ConnectionManager, - ChannelId, RemoteChannelId, _, - Address, Port, Msg) -> - SystemSup = ssh_system_sup:system_supervisor(Address, Port), - ChannelSup = ssh_system_sup:channel_supervisor(SystemSup), - {ok, SubSystemPid} - = ssh_channel_sup:start_child(ChannelSup, ChildSpec), - SubSystemPid ! - {ssh_cm, ConnectionManager, - {open, ChannelId, RemoteChannelId, {session}}}, - SubSystemPid ! Msg, - {ok, SubSystemPid}. diff --git a/lib/ssh/src/ssh_connection_controler.erl b/lib/ssh/src/ssh_connection_controler.erl deleted file mode 100644 index ca3e62dc83..0000000000 --- a/lib/ssh/src/ssh_connection_controler.erl +++ /dev/null @@ -1,137 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2009-2010. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% -%%-------------------------------------------------------------------- -%% File : ssh_connection_controler.erl -%% Description : -%% -%%-------------------------------------------------------------------- - --module(ssh_connection_controler). - --behaviour(gen_server). - -%%----------------------------------------------------------------- -%% External exports -%%----------------------------------------------------------------- --export([start_link/1, start_handler_child/2, start_manager_child/2, - connection_manager/1]). - -%%----------------------------------------------------------------- -%% Internal exports -%%----------------------------------------------------------------- --export([init/1, handle_call/3, handle_cast/2, handle_info/2, - code_change/3, terminate/2, stop/1]). - --record(state, {role, manager, handler, timeout}). - -%%----------------------------------------------------------------- -%% External interface functions -%%----------------------------------------------------------------- -%%----------------------------------------------------------------- -%% Func: start/0 -%%----------------------------------------------------------------- -start_link(Args) -> - gen_server:start_link(?MODULE, [Args], []). - -%% Will be called from the manager child process -start_handler_child(ServerRef, Args) -> - gen_server:call(ServerRef, {handler, self(), Args}, infinity). - -%% Will be called from the acceptor process -start_manager_child(ServerRef, Args) -> - gen_server:call(ServerRef, {manager, Args}, infinity). - -connection_manager(ServerRef) -> - {ok, gen_server:call(ServerRef, manager, infinity)}. - -%%----------------------------------------------------------------- -%% Internal interface functions -%%----------------------------------------------------------------- -%%----------------------------------------------------------------- -%% Func: stop/1 -%%----------------------------------------------------------------- -stop(Pid) -> - gen_server:cast(Pid, stop). - -%%----------------------------------------------------------------- -%% Server functions -%%----------------------------------------------------------------- -%%----------------------------------------------------------------- -%% Func: init/1 -%%----------------------------------------------------------------- -init([Opts]) -> - process_flag(trap_exit, true), - case proplists:get_value(role, Opts) of - client -> - {ok, Manager} = ssh_connection_manager:start_link([client, Opts]), - {ok, #state{role = client, manager = Manager}}; - _server -> - %% Children started by acceptor process - {ok, #state{role = server}} - end. - - -%%----------------------------------------------------------------- -%% Func: terminate/2 -%%----------------------------------------------------------------- -terminate(_Reason, #state{}) -> - ok. - -%%----------------------------------------------------------------- -%% Func: handle_call/3 -%%----------------------------------------------------------------- -handle_call({handler, Pid, [Role, Socket, Opts]}, _From, State) -> - {ok, Handler} = ssh_connection_handler:start_link(Role, Pid, Socket, Opts), - {reply, {ok, Handler}, State#state{handler = Handler}}; -handle_call({manager, [server = Role, Socket, Opts, SubSysSup]}, _From, State) -> - {ok, Manager} = ssh_connection_manager:start_link([Role, Socket, Opts, SubSysSup]), - {reply, {ok, Manager}, State#state{manager = Manager}}; -handle_call({manager, [client = Role | Opts]}, _From, State) -> - {ok, Manager} = ssh_connection_manager:start_link([Role, Opts]), - {reply, {ok, Manager}, State#state{manager = Manager}}; -handle_call(manager, _From, State) -> - {reply, State#state.manager, State}; -handle_call(stop, _From, State) -> - {stop, normal, ok, State}; -handle_call(_, _, State) -> - {noreply, State, State#state.timeout}. - -%%----------------------------------------------------------------- -%% Func: handle_cast/2 -%%----------------------------------------------------------------- -handle_cast(stop, State) -> - {stop, normal, State}; -handle_cast(_, State) -> - {noreply, State, State#state.timeout}. - -%%----------------------------------------------------------------- -%% Func: handle_info/2 -%%----------------------------------------------------------------- -%% handle_info(ssh_connected, State) -> -%% {stop, normal, State}; -%% Servant termination. -handle_info({'EXIT', _Pid, Reason}, State) -> - {stop, Reason, State}. - -%%----------------------------------------------------------------- -%% Func: code_change/3 -%%----------------------------------------------------------------- -code_change(_OldVsn, State, _Extra) -> - {ok, State}. - diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl index 9de4dd5967..3462b98172 100644 --- a/lib/ssh/src/ssh_connection_handler.erl +++ b/lib/ssh/src/ssh_connection_handler.erl @@ -18,10 +18,11 @@ %% %% %%---------------------------------------------------------------------- -%% Purpose: Handles the setup of an ssh connection, e.i. both the -%% setup SSH Transport Layer Protocol (RFC 4253) and Authentication -%% Protocol (RFC 4252). Details of the different protocols are -%% implemented in ssh_transport.erl, ssh_auth.erl +%% Purpose: Handles an ssh connection, e.i. both the +%% setup SSH Transport Layer Protocol (RFC 4253), Authentication +%% Protocol (RFC 4252) and SSH connection Protocol (RFC 4255) +%% Details of the different protocols are +%% implemented in ssh_transport.erl, ssh_auth.erl and ssh_connection.erl %% ---------------------------------------------------------------------- -module(ssh_connection_handler). @@ -33,10 +34,14 @@ -include("ssh_auth.hrl"). -include("ssh_connect.hrl"). --export([start_link/4, send/2, renegotiate/1, send_event/2, - connection_info/3, - peer_address/1, - renegotiate_data/1]). +-export([start_link/3]). + +%% Internal application API +-export([open_channel/6, reply_request/3, request/6, request/7, + global_request/4, send/5, send_eof/2, info/1, info/2, + connection_info/2, channel_info/3, + adjust_window/3, close/2, stop/1, renegotiate/1, renegotiate_data/1, + start_connection/4]). %% gen_fsm callbacks -export([hello/2, kexinit/2, key_exchange/2, new_keys/2, @@ -45,10 +50,14 @@ -export([init/1, handle_event/3, handle_sync_event/4, handle_info/3, terminate/3, code_change/4]). -%% spawn export --export([ssh_info_handler/3]). - -record(state, { + role, + client, + starter, + auth_user, + connection_state, + latest_channel_id = 0, + idle_timer_ref, transport_protocol, % ex: tcp transport_cb, transport_close_tag, @@ -59,105 +68,234 @@ undecoded_packet_length, % integer() key_exchange_init_msg, % #ssh_msg_kexinit{} renegotiate = false, % boolean() - manager, % pid() connection_queue, address, port, opts }). --define(DBG_MESSAGE, true). +-type state_name() :: hello | kexinit | key_exchange | new_keys | userauth | connection. +-type gen_fsm_state_return() :: {next_state, state_name(), term()} | + {next_state, state_name(), term(), timeout()} | + {stop, term(), term()}. %%==================================================================== %% Internal application API %%==================================================================== + %%-------------------------------------------------------------------- -%% Function: start_link() -> ok,Pid} | ignore | {error,Error} -%% Description:Creates a gen_fsm process which calls Module:init/1 to -%% initialize. To ensure a synchronized start-up procedure, this function -%% does not return until Module:init/1 has returned. +-spec start_connection(client| server, port(), proplists:proplist(), + timeout()) -> {ok, pid()} | {error, term()}. %%-------------------------------------------------------------------- -start_link(Role, Manager, Socket, Options) -> - gen_fsm:start_link(?MODULE, [Role, Manager, Socket, Options], []). - -send(ConnectionHandler, Data) -> - send_all_state_event(ConnectionHandler, {send, Data}). +start_connection(client = Role, Socket, Options, Timeout) -> + try + {ok, Pid} = sshc_sup:start_child([Role, Socket, Options]), + {_, Callback, _} = + proplists:get_value(transport, Options, {tcp, gen_tcp, tcp_closed}), + ok = socket_control(Socket, Pid, Callback), + Ref = erlang:monitor(process, Pid), + handshake(Pid, Ref, Timeout) + catch + exit:{noproc, _} -> + {error, ssh_not_started}; + _:Error -> + {error, Error} + end; -renegotiate(ConnectionHandler) -> - send_all_state_event(ConnectionHandler, renegotiate). - -renegotiate_data(ConnectionHandler) -> - send_all_state_event(ConnectionHandler, data_size). -connection_info(ConnectionHandler, From, Options) -> - send_all_state_event(ConnectionHandler, {info, From, Options}). +start_connection(server = Role, Socket, Options, Timeout) -> + try + Sups = proplists:get_value(supervisors, Options), + ConnectionSup = proplists:get_value(connection_sup, Sups), + Opts = [{supervisors, Sups}, {user_pid, self()} | proplists:get_value(ssh_opts, Options, [])], + {ok, Pid} = ssh_connection_sup:start_child(ConnectionSup, [Role, Socket, Opts]), + {_, Callback, _} = proplists:get_value(transport, Options, {tcp, gen_tcp, tcp_closed}), + socket_control(Socket, Pid, Callback), + Ref = erlang:monitor(process, Pid), + handshake(Pid, Ref, Timeout) + catch + exit:{noproc, _} -> + {error, ssh_not_started}; + _:Error -> + {error, Error} + end. -%% Replaced with option to connection_info/3. For now keep -%% for backwards compatibility -peer_address(ConnectionHandler) -> - sync_send_all_state_event(ConnectionHandler, peer_address). +start_link(Role, Socket, Options) -> + {ok, proc_lib:spawn_link(?MODULE, init, [[Role, Socket, Options]])}. -%%==================================================================== -%% gen_fsm callbacks -%%==================================================================== -%%-------------------------------------------------------------------- -%% Function: init(Args) -> {ok, StateName, State} | -%% {ok, StateName, State, Timeout} | -%% ignore | -%% {stop, StopReason} -%% Description:Whenever a gen_fsm is started using gen_fsm:start/[3,4] or -%% gen_fsm:start_link/3,4, this function is called by the new process to -%% initialize. -%%-------------------------------------------------------------------- -init([Role, Manager, Socket, SshOpts]) -> +init([Role, Socket, SshOpts]) -> process_flag(trap_exit, true), {NumVsn, StrVsn} = ssh_transport:versions(Role, SshOpts), - ssh_bits:install_messages(ssh_transport:transport_messages(NumVsn)), {Protocol, Callback, CloseTag} = proplists:get_value(transport, SshOpts, {tcp, gen_tcp, tcp_closed}), + Cache = ssh_channel:cache_create(), + State0 = #state{ + role = Role, + connection_state = #connection{channel_cache = Cache, + channel_id_seed = 0, + port_bindings = [], + requests = [], + options = SshOpts}, + socket = Socket, + decoded_data_buffer = <<>>, + encoded_data_buffer = <<>>, + transport_protocol = Protocol, + transport_cb = Callback, + transport_close_tag = CloseTag, + opts = SshOpts + }, + + State = init_role(State0), + try init_ssh(Role, NumVsn, StrVsn, SshOpts, Socket) of Ssh -> - {ok, hello, #state{ssh_params = - Ssh#ssh{send_sequence = 0, recv_sequence = 0}, - socket = Socket, - decoded_data_buffer = <<>>, - encoded_data_buffer = <<>>, - transport_protocol = Protocol, - transport_cb = Callback, - transport_close_tag = CloseTag, - manager = Manager, - opts = SshOpts - }} + gen_fsm:enter_loop(?MODULE, [], hello, + State#state{ssh_params = Ssh}) catch - exit:Reason -> - {stop, {shutdown, Reason}} + _:Error -> + gen_fsm:enter_loop(?MODULE, [], error, {Error, State0}) + end. + +%%-------------------------------------------------------------------- +-spec open_channel(pid(), string(), iodata(), integer(), integer(), + timeout()) -> {open, channel_id()} | {open_error, term(), string(), string()}. +%%-------------------------------------------------------------------- +open_channel(ConnectionHandler, ChannelType, ChannelSpecificData, + InitialWindowSize, + MaxPacketSize, Timeout) -> + sync_send_all_state_event(ConnectionHandler, {open, self(), ChannelType, + InitialWindowSize, MaxPacketSize, + ChannelSpecificData, + Timeout}). +%%-------------------------------------------------------------------- +-spec request(pid(), pid(), channel_id(), string(), boolean(), iodata(), + timeout()) -> success | failure | ok | {error, term()}. +%%-------------------------------------------------------------------- +request(ConnectionHandler, ChannelPid, ChannelId, Type, true, Data, Timeout) -> + sync_send_all_state_event(ConnectionHandler, {request, ChannelPid, ChannelId, Type, Data, + Timeout}); +request(ConnectionHandler, ChannelPid, ChannelId, Type, false, Data, _) -> + send_all_state_event(ConnectionHandler, {request, ChannelPid, ChannelId, Type, Data}). + +%%-------------------------------------------------------------------- +-spec request(pid(), channel_id(), string(), boolean(), iodata(), + timeout()) -> success | failure | {error, timeout}. +%%-------------------------------------------------------------------- +request(ConnectionHandler, ChannelId, Type, true, Data, Timeout) -> + sync_send_all_state_event(ConnectionHandler, {request, ChannelId, Type, Data, Timeout}); +request(ConnectionHandler, ChannelId, Type, false, Data, _) -> + send_all_state_event(ConnectionHandler, {request, ChannelId, Type, Data}). + +%%-------------------------------------------------------------------- +-spec reply_request(pid(), success | failure, channel_id()) -> ok. +%%-------------------------------------------------------------------- +reply_request(ConnectionHandler, Status, ChannelId) -> + send_all_state_event(ConnectionHandler, {reply_request, Status, ChannelId}). + +%%-------------------------------------------------------------------- +-spec global_request(pid(), string(), boolean(), iolist()) -> ok | error. +%%-------------------------------------------------------------------- +global_request(ConnectionHandler, Type, true = Reply, Data) -> + case sync_send_all_state_event(ConnectionHandler, + {global_request, self(), Type, Reply, Data}) of + {ssh_cm, ConnectionHandler, {success, _}} -> + ok; + {ssh_cm, ConnectionHandler, {failure, _}} -> + error + end; +global_request(ConnectionHandler, Type, false = Reply, Data) -> + send_all_state_event(ConnectionHandler, {global_request, self(), Type, Reply, Data}). + +%%-------------------------------------------------------------------- +-spec send(pid(), channel_id(), integer(), iolist(), timeout()) -> + ok | {error, timeout} | {error, closed}. +%%-------------------------------------------------------------------- +send(ConnectionHandler, ChannelId, Type, Data, Timeout) -> + sync_send_all_state_event(ConnectionHandler, {data, ChannelId, Type, Data, Timeout}). + +%%-------------------------------------------------------------------- +-spec send_eof(pid(), channel_id()) -> ok | {error, closed}. +%%-------------------------------------------------------------------- +send_eof(ConnectionHandler, ChannelId) -> + sync_send_all_state_event(ConnectionHandler, {eof, ChannelId}). + +%%-------------------------------------------------------------------- +-spec connection_info(pid(), [atom()]) -> proplists:proplist(). +%%-------------------------------------------------------------------- +connection_info(ConnectionHandler, Options) -> + sync_send_all_state_event(ConnectionHandler, {connection_info, Options}). + +%%-------------------------------------------------------------------- +-spec channel_info(pid(), channel_id(), [atom()]) -> proplists:proplist(). +%%-------------------------------------------------------------------- +channel_info(ConnectionHandler, ChannelId, Options) -> + sync_send_all_state_event(ConnectionHandler, {channel_info, ChannelId, Options}). + +%%-------------------------------------------------------------------- +-spec adjust_window(pid(), channel_id(), integer()) -> ok. +%%-------------------------------------------------------------------- +adjust_window(ConnectionHandler, Channel, Bytes) -> + send_all_state_event(ConnectionHandler, {adjust_window, Channel, Bytes}). +%%-------------------------------------------------------------------- +-spec renegotiate(pid()) -> ok. +%%-------------------------------------------------------------------- +renegotiate(ConnectionHandler) -> + send_all_state_event(ConnectionHandler, renegotiate). + +%%-------------------------------------------------------------------- +-spec renegotiate_data(pid()) -> ok. +%%-------------------------------------------------------------------- +renegotiate_data(ConnectionHandler) -> + send_all_state_event(ConnectionHandler, data_size). + +%%-------------------------------------------------------------------- +-spec close(pid(), channel_id()) -> ok. +%%-------------------------------------------------------------------- +close(ConnectionHandler, ChannelId) -> + sync_send_all_state_event(ConnectionHandler, {close, ChannelId}). + +%%-------------------------------------------------------------------- +-spec stop(pid()) -> ok | {error, term()}. +%%-------------------------------------------------------------------- +stop(ConnectionHandler)-> + case sync_send_all_state_event(ConnectionHandler, stop) of + {error, closed} -> + ok; + Other -> + Other end. + +info(ConnectionHandler) -> + info(ConnectionHandler, {info, all}). + +info(ConnectionHandler, ChannelProcess) -> + sync_send_all_state_event(ConnectionHandler, {info, ChannelProcess}). + + +%%==================================================================== +%% gen_fsm callbacks +%%==================================================================== + %%-------------------------------------------------------------------- -%% Function: -%% state_name(Event, State) -> {next_state, NextStateName, NextState}| -%% {next_state, NextStateName, -%% NextState, Timeout} | -%% {stop, Reason, NewState} -%% Description:There should be one instance of this function for each possible -%% state name. Whenever a gen_fsm receives an event sent using -%% gen_fsm:send_event/2, the instance of this function with the same name as -%% the current state name StateName is called to handle the event. It is also -%% called if a timeout occurs. +-spec hello(socket_control | {info_line, list()} | {version_exchange, list()}, + #state{}) -> gen_fsm_state_return(). %%-------------------------------------------------------------------- + hello(socket_control, #state{socket = Socket, ssh_params = Ssh} = State) -> VsnMsg = ssh_transport:hello_version_msg(string_version(Ssh)), send_msg(VsnMsg, State), - inet:setopts(Socket, [{packet, line}]), - {next_state, hello, next_packet(State)}; + inet:setopts(Socket, [{packet, line}, {active, once}]), + {next_state, hello, State}; -hello({info_line, _Line}, State) -> - {next_state, hello, next_packet(State)}; +hello({info_line, _Line},#state{socket = Socket} = State) -> + inet:setopts(Socket, [{active, once}]), + {next_state, hello, State}; hello({version_exchange, Version}, #state{ssh_params = Ssh0, socket = Socket} = State) -> {NumVsn, StrVsn} = ssh_transport:handle_hello_version(Version), case handle_version(NumVsn, StrVsn, Ssh0) of {ok, Ssh1} -> - inet:setopts(Socket, [{packet,0}, {mode,binary}]), + inet:setopts(Socket, [{packet,0}, {mode,binary}, {active, once}]), {KeyInitMsg, SshPacket, Ssh} = ssh_transport:key_exchange_init_msg(Ssh1), send_msg(SshPacket, State), {next_state, kexinit, next_packet(State#state{ssh_params = Ssh, @@ -173,12 +311,15 @@ hello({version_exchange, Version}, #state{ssh_params = Ssh0, handle_disconnect(DisconnectMsg, State) end. +%%-------------------------------------------------------------------- +-spec kexinit({#ssh_msg_kexinit{}, binary()}, #state{}) -> gen_fsm_state_return(). +%%-------------------------------------------------------------------- kexinit({#ssh_msg_kexinit{} = Kex, Payload}, #state{ssh_params = #ssh{role = Role} = Ssh0, - key_exchange_init_msg = OwnKex} = - State) -> + key_exchange_init_msg = OwnKex} = + State) -> Ssh1 = ssh_transport:key_init(opposite_role(Role), Ssh0, Payload), - try ssh_transport:handle_kexinit_msg(Kex, OwnKex, Ssh1) of + case ssh_transport:handle_kexinit_msg(Kex, OwnKex, Ssh1) of {ok, NextKexMsg, Ssh} when Role == client -> send_msg(NextKexMsg, State), {next_state, key_exchange, @@ -186,157 +327,75 @@ kexinit({#ssh_msg_kexinit{} = Kex, Payload}, {ok, Ssh} when Role == server -> {next_state, key_exchange, next_packet(State#state{ssh_params = Ssh})} - catch - #ssh_msg_disconnect{} = DisconnectMsg -> - handle_disconnect(DisconnectMsg, State); - _:Error -> - Desc = log_error(Error), - handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED, - description = Desc, - language = "en"}, State) end. - + +%%-------------------------------------------------------------------- +-spec key_exchange(#ssh_msg_kexdh_init{} | #ssh_msg_kexdh_reply{} | + #ssh_msg_kex_dh_gex_group{} | #ssh_msg_kex_dh_gex_request{} | + #ssh_msg_kex_dh_gex_request{} | #ssh_msg_kex_dh_gex_reply{}, #state{}) + -> gen_fsm_state_return(). +%%-------------------------------------------------------------------- + key_exchange(#ssh_msg_kexdh_init{} = Msg, - #state{ssh_params = #ssh{role = server} =Ssh0} = State) -> - try ssh_transport:handle_kexdh_init(Msg, Ssh0) of + #state{ssh_params = #ssh{role = server} = Ssh0} = State) -> + case ssh_transport:handle_kexdh_init(Msg, Ssh0) of {ok, KexdhReply, Ssh1} -> send_msg(KexdhReply, State), {ok, NewKeys, Ssh} = ssh_transport:new_keys_message(Ssh1), send_msg(NewKeys, State), {next_state, new_keys, next_packet(State#state{ssh_params = Ssh})} - catch - #ssh_msg_disconnect{} = DisconnectMsg -> - handle_disconnect(DisconnectMsg, State); - _:Error -> - Desc = log_error(Error), - handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED, - description = Desc, - language = "en"}, State) end; -key_exchange({#ssh_msg_kexinit{} = Kex, Payload}, - #state{ssh_params = #ssh{role = Role} = Ssh0, - key_exchange_init_msg = OwnKex} = - State) -> - Ssh1 = ssh_transport:key_init(opposite_role(Role), Ssh0, Payload), - try ssh_transport:handle_kexinit_msg(Kex, OwnKex, Ssh1) of - {ok, NextKexMsg, Ssh} when Role == client -> - send_msg(NextKexMsg, State), - {next_state, key_exchange, - next_packet(State#state{ssh_params = Ssh})}; - {ok, Ssh} when Role == server -> - {next_state, key_exchange, - next_packet(State#state{ssh_params = Ssh})} - catch - #ssh_msg_disconnect{} = DisconnectMsg -> - handle_disconnect(DisconnectMsg, State); - _:Error -> - Desc = log_error(Error), - handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED, - description = Desc, - language = "en"}, State) - end; - key_exchange(#ssh_msg_kexdh_reply{} = Msg, #state{ssh_params = #ssh{role = client} = Ssh0} = State) -> - try ssh_transport:handle_kexdh_reply(Msg, Ssh0) of - {ok, NewKeys, Ssh} -> - send_msg(NewKeys, State), - {next_state, new_keys, next_packet(State#state{ssh_params = Ssh})} - catch - #ssh_msg_disconnect{} = DisconnectMsg -> - handle_disconnect(DisconnectMsg, State); - {ErrorToDisplay, #ssh_msg_disconnect{} = DisconnectMsg} -> - handle_disconnect(DisconnectMsg, State, ErrorToDisplay); - _:Error -> - Desc = log_error(Error), - handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED, - description = Desc, - language = "en"}, State) - end; + {ok, NewKeys, Ssh} = ssh_transport:handle_kexdh_reply(Msg, Ssh0), + send_msg(NewKeys, State), + {next_state, new_keys, next_packet(State#state{ssh_params = Ssh})}; key_exchange(#ssh_msg_kex_dh_gex_group{} = Msg, #state{ssh_params = #ssh{role = server} = Ssh0} = State) -> - try ssh_transport:handle_kex_dh_gex_group(Msg, Ssh0) of - {ok, NextKexMsg, Ssh1} -> - send_msg(NextKexMsg, State), - {ok, NewKeys, Ssh} = ssh_transport:new_keys_message(Ssh1), - send_msg(NewKeys, State), - {next_state, new_keys, next_packet(State#state{ssh_params = Ssh})} - catch - #ssh_msg_disconnect{} = DisconnectMsg -> - handle_disconnect(DisconnectMsg, State); - _:Error -> - Desc = log_error(Error), - handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED, - description = Desc, - language = "en"}, State) - end; + {ok, NextKexMsg, Ssh1} = ssh_transport:handle_kex_dh_gex_group(Msg, Ssh0), + send_msg(NextKexMsg, State), + {ok, NewKeys, Ssh} = ssh_transport:new_keys_message(Ssh1), + send_msg(NewKeys, State), + {next_state, new_keys, next_packet(State#state{ssh_params = Ssh})}; key_exchange(#ssh_msg_kex_dh_gex_request{} = Msg, #state{ssh_params = #ssh{role = client} = Ssh0} = State) -> - try ssh_transport:handle_kex_dh_gex_request(Msg, Ssh0) of - {ok, NextKexMsg, Ssh} -> - send_msg(NextKexMsg, State), - {next_state, new_keys, next_packet(State#state{ssh_params = Ssh})} - catch - #ssh_msg_disconnect{} = DisconnectMsg -> - handle_disconnect(DisconnectMsg, State); - _:Error -> - Desc = log_error(Error), - handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED, - description = Desc, - language = "en"}, State) - end; + {ok, NextKexMsg, Ssh} = ssh_transport:handle_kex_dh_gex_request(Msg, Ssh0), + send_msg(NextKexMsg, State), + {next_state, new_keys, next_packet(State#state{ssh_params = Ssh})}; + key_exchange(#ssh_msg_kex_dh_gex_reply{} = Msg, #state{ssh_params = #ssh{role = client} = Ssh0} = State) -> - try ssh_transport:handle_kex_dh_gex_reply(Msg, Ssh0) of - {ok, NewKeys, Ssh} -> - send_msg(NewKeys, State), - {next_state, new_keys, next_packet(State#state{ssh_params = Ssh})} - catch - #ssh_msg_disconnect{} = DisconnectMsg -> - handle_disconnect(DisconnectMsg, State); - _:Error -> - Desc = log_error(Error), - handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED, - description = Desc, - language = "en"}, State) - end. + {ok, NewKeys, Ssh} = ssh_transport:handle_kex_dh_gex_reply(Msg, Ssh0), + send_msg(NewKeys, State), + {next_state, new_keys, next_packet(State#state{ssh_params = Ssh})}. + +%%-------------------------------------------------------------------- +-spec new_keys(#ssh_msg_newkeys{}, #state{}) -> gen_fsm_state_return(). +%%-------------------------------------------------------------------- new_keys(#ssh_msg_newkeys{} = Msg, #state{ssh_params = Ssh0} = State0) -> - try ssh_transport:handle_new_keys(Msg, Ssh0) of - {ok, Ssh} -> - {NextStateName, State} = - after_new_keys(State0#state{ssh_params = Ssh}), - {next_state, NextStateName, next_packet(State)} - catch - #ssh_msg_disconnect{} = DisconnectMsg -> - handle_disconnect(DisconnectMsg, State0); - _:Error -> - Desc = log_error(Error), - handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED, - description = Desc, - language = "en"}, State0) - end. + {ok, Ssh} = ssh_transport:handle_new_keys(Msg, Ssh0), + {NextStateName, State} = + after_new_keys(State0#state{ssh_params = Ssh}), + {next_state, NextStateName, next_packet(State)}. + +%%-------------------------------------------------------------------- +-spec userauth(#ssh_msg_service_request{} | #ssh_msg_service_accept{} | + #ssh_msg_userauth_request{} | #ssh_msg_userauth_info_request{} | + #ssh_msg_userauth_info_response{} | #ssh_msg_userauth_success{} | + #ssh_msg_userauth_failure{} | #ssh_msg_userauth_banner{}, + #state{}) -> gen_fsm_state_return(). +%%-------------------------------------------------------------------- userauth(#ssh_msg_service_request{name = "ssh-userauth"} = Msg, #state{ssh_params = #ssh{role = server, session_id = SessionId} = Ssh0} = State) -> - ssh_bits:install_messages(ssh_auth:userauth_messages()), - try ssh_auth:handle_userauth_request(Msg, SessionId, Ssh0) of - {ok, {Reply, Ssh}} -> - send_msg(Reply, State), - {next_state, userauth, next_packet(State#state{ssh_params = Ssh})} - catch - #ssh_msg_disconnect{} = DisconnectMsg -> - handle_disconnect(DisconnectMsg, State); - _:Error -> - Desc = log_error(Error), - handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_SERVICE_NOT_AVAILABLE, - description = Desc, - language = "en"}, State) - end; + {ok, {Reply, Ssh}} = ssh_auth:handle_userauth_request(Msg, SessionId, Ssh0), + send_msg(Reply, State), + {next_state, userauth, next_packet(State#state{ssh_params = Ssh})}; userauth(#ssh_msg_service_accept{name = "ssh-userauth"}, #state{ssh_params = #ssh{role = client, @@ -344,93 +403,55 @@ userauth(#ssh_msg_service_accept{name = "ssh-userauth"}, State) -> {Msg, Ssh} = ssh_auth:init_userauth_request_msg(Ssh0), send_msg(Msg, State), - {next_state, userauth, next_packet(State#state{ssh_params = Ssh})}; + {next_state, userauth, next_packet(State#state{auth_user = Ssh#ssh.user, ssh_params = Ssh})}; userauth(#ssh_msg_userauth_request{service = "ssh-connection", method = "none"} = Msg, #state{ssh_params = #ssh{session_id = SessionId, role = server, service = "ssh-connection"} = Ssh0 } = State) -> - try ssh_auth:handle_userauth_request(Msg, SessionId, Ssh0) of - {not_authorized, {_User, _Reason}, {Reply, Ssh}} -> - send_msg(Reply, State), - {next_state, userauth, next_packet(State#state{ssh_params = Ssh})} - catch - #ssh_msg_disconnect{} = DisconnectMsg -> - handle_disconnect(DisconnectMsg, State); - _:Error -> - Desc = log_error(Error), - handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_SERVICE_NOT_AVAILABLE, - description = Desc, - language = "en"}, State) - end; + {not_authorized, {_User, _Reason}, {Reply, Ssh}} = + ssh_auth:handle_userauth_request(Msg, SessionId, Ssh0), + send_msg(Reply, State), + {next_state, userauth, next_packet(State#state{ssh_params = Ssh})}; userauth(#ssh_msg_userauth_request{service = "ssh-connection", method = Method} = Msg, #state{ssh_params = #ssh{session_id = SessionId, role = server, service = "ssh-connection", peer = {_, Address}} = Ssh0, - opts = Opts, manager = Pid} = State) -> - try ssh_auth:handle_userauth_request(Msg, SessionId, Ssh0) of + opts = Opts, starter = Pid} = State) -> + case ssh_auth:handle_userauth_request(Msg, SessionId, Ssh0) of {authorized, User, {Reply, Ssh}} -> send_msg(Reply, State), - ssh_userreg:register_user(User, Pid), Pid ! ssh_connected, connected_fun(User, Address, Method, Opts), {next_state, connected, - next_packet(State#state{ssh_params = Ssh})}; + next_packet(State#state{auth_user = User, ssh_params = Ssh})}; {not_authorized, {User, Reason}, {Reply, Ssh}} -> - retry_fun(User, Reason, Opts), + retry_fun(User, Address, Reason, Opts), send_msg(Reply, State), {next_state, userauth, next_packet(State#state{ssh_params = Ssh})} - catch - #ssh_msg_disconnect{} = DisconnectMsg -> - handle_disconnect(DisconnectMsg, State); - _:Error -> - Desc = log_error(Error), - handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_SERVICE_NOT_AVAILABLE, - description = Desc, - language = "en"}, State) end; userauth(#ssh_msg_userauth_info_request{} = Msg, #state{ssh_params = #ssh{role = client, io_cb = IoCb} = Ssh0} = State) -> - try ssh_auth:handle_userauth_info_request(Msg, IoCb, Ssh0) of - {ok, {Reply, Ssh}} -> - send_msg(Reply, State), - {next_state, userauth, next_packet(State#state{ssh_params = Ssh})} - catch - #ssh_msg_disconnect{} = DisconnectMsg -> - handle_disconnect(DisconnectMsg, State); - _:Error -> - Desc = log_error(Error), - handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_SERVICE_NOT_AVAILABLE, - description = Desc, - language = "en"}, State) - end; + {ok, {Reply, Ssh}} = ssh_auth:handle_userauth_info_request(Msg, IoCb, Ssh0), + send_msg(Reply, State), + {next_state, userauth, next_packet(State#state{ssh_params = Ssh})}; userauth(#ssh_msg_userauth_info_response{} = Msg, #state{ssh_params = #ssh{role = server} = Ssh0} = State) -> - try ssh_auth:handle_userauth_info_response(Msg, Ssh0) of - {ok, {Reply, Ssh}} -> - send_msg(Reply, State), - {next_state, userauth, next_packet(State#state{ssh_params = Ssh})} - catch - #ssh_msg_disconnect{} = DisconnectMsg -> - handle_disconnect(DisconnectMsg, State); - _:Error -> - Desc = log_error(Error), - handle_disconnect(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_SERVICE_NOT_AVAILABLE, - description = Desc, - language = "en"}, State) - end; + {ok, {Reply, Ssh}} = ssh_auth:handle_userauth_info_response(Msg, Ssh0), + send_msg(Reply, State), + {next_state, userauth, next_packet(State#state{ssh_params = Ssh})}; userauth(#ssh_msg_userauth_success{}, #state{ssh_params = #ssh{role = client} = Ssh, - manager = Pid} = State) -> + starter = Pid} = State) -> Pid ! ssh_connected, - {next_state, connected, next_packet(State#state{ssh_params = Ssh#ssh{authenticated = true}})}; - + {next_state, connected, next_packet(State#state{ssh_params = + Ssh#ssh{authenticated = true}})}; userauth(#ssh_msg_userauth_failure{}, #state{ssh_params = #ssh{role = client, userauth_methods = []}} @@ -479,31 +500,28 @@ userauth(#ssh_msg_userauth_banner{message = Msg}, io:format("~s", [Msg]), {next_state, userauth, next_packet(State)}. +%%-------------------------------------------------------------------- +-spec connected({#ssh_msg_kexinit{}, binary()}, %%| %% #ssh_msg_kexdh_init{}, + #state{}) -> gen_fsm_state_return(). +%%-------------------------------------------------------------------- connected({#ssh_msg_kexinit{}, _Payload} = Event, State) -> - kexinit(Event, State#state{renegotiate = true}); -connected({#ssh_msg_kexdh_init{}, _Payload} = Event, State) -> - key_exchange(Event, State#state{renegotiate = true}). + kexinit(Event, State#state{renegotiate = true}). +%% ; +%% connected(#ssh_msg_kexdh_init{} = Event, State) -> +%% key_exchange(Event, State#state{renegotiate = true}). %%-------------------------------------------------------------------- -%% Function: -%% handle_event(Event, StateName, State) -> {next_state, NextStateName, -%% NextState} | -%% {next_state, NextStateName, -%% NextState, Timeout} | -%% {stop, Reason, NewState} -%% Description: Whenever a gen_fsm receives an event sent using -%% gen_fsm:send_all_state_event/2, this function is called to handle -%% the event. -%%-------------------------------------------------------------------- -handle_event({send, Data}, StateName, #state{ssh_params = Ssh0} = State) -> - {Packet, Ssh} = ssh_transport:pack(Data, Ssh0), - send_msg(Packet, State), - {next_state, StateName, next_packet(State#state{ssh_params = Ssh})}; +-spec handle_event(#ssh_msg_disconnect{} | #ssh_msg_ignore{} | #ssh_msg_debug{} | + #ssh_msg_unimplemented{} | {adjust_window, integer(), integer()} | + {reply_request, success | failure, integer()} | renegotiate | + data_size | {request, pid(), integer(), integer(), iolist()} | + {request, integer(), integer(), iolist()}, state_name(), + #state{}) -> gen_fsm_state_return(). -handle_event(#ssh_msg_disconnect{} = Msg, _StateName, - #state{manager = Pid} = State) -> - (catch ssh_connection_manager:event(Pid, Msg)), - {stop, normal, State}; +%%-------------------------------------------------------------------- +handle_event(#ssh_msg_disconnect{description = Desc} = DisconnectMsg, _StateName, #state{} = State) -> + handle_disconnect(DisconnectMsg, State), + {stop, {shutdown, Desc}, State}; handle_event(#ssh_msg_ignore{}, StateName, State) -> {next_state, StateName, next_packet(State)}; @@ -519,30 +537,58 @@ handle_event(#ssh_msg_debug{}, StateName, State) -> handle_event(#ssh_msg_unimplemented{}, StateName, State) -> {next_state, StateName, next_packet(State)}; +handle_event({adjust_window, ChannelId, Bytes}, StateName, + #state{connection_state = + #connection{channel_cache = Cache}} = State0) -> + State = + case ssh_channel:cache_lookup(Cache, ChannelId) of + #channel{recv_window_size = WinSize, remote_id = Id} = Channel -> + ssh_channel:cache_update(Cache, Channel#channel{recv_window_size = + WinSize + Bytes}), + Msg = ssh_connection:channel_adjust_window_msg(Id, Bytes), + send_replies([{connection_reply, Msg}], State0); + undefined -> + State0 + end, + {next_state, StateName, next_packet(State)}; + +handle_event({reply_request, success, ChannelId}, StateName, + #state{connection_state = + #connection{channel_cache = Cache}} = State0) -> + State = case ssh_channel:cache_lookup(Cache, ChannelId) of + #channel{remote_id = RemoteId} -> + Msg = ssh_connection:channel_success_msg(RemoteId), + send_replies([{connection_reply, Msg}], State0); + undefined -> + State0 + end, + {next_state, StateName, State}; + handle_event(renegotiate, connected, #state{ssh_params = Ssh0} = State) -> {KeyInitMsg, SshPacket, Ssh} = ssh_transport:key_exchange_init_msg(Ssh0), send_msg(SshPacket, State), - {next_state, connected, + timer:apply_after(?REKEY_TIMOUT, gen_fsm, send_all_state_event, [self(), renegotiate]), + {next_state, kexinit, next_packet(State#state{ssh_params = Ssh, key_exchange_init_msg = KeyInitMsg, renegotiate = true})}; handle_event(renegotiate, StateName, State) -> + timer:apply_after(?REKEY_TIMOUT, gen_fsm, send_all_state_event, [self(), renegotiatie]), %% Allready in keyexcahange so ignore {next_state, StateName, State}; -handle_event({info, From, Options}, StateName, #state{ssh_params = Ssh} = State) -> - spawn(?MODULE, ssh_info_handler, [Options, Ssh, From]), - {next_state, StateName, State}; +%% Rekey due to sent data limit reached? handle_event(data_size, connected, #state{ssh_params = Ssh0} = State) -> {ok, [{send_oct,Sent}]} = inet:getstat(State#state.socket, [send_oct]), MaxSent = proplists:get_value(rekey_limit, State#state.opts, 1024000000), + timer:apply_after(?REKEY_DATA_TIMOUT, gen_fsm, send_all_state_event, [self(), data_size]), case Sent >= MaxSent of true -> {KeyInitMsg, SshPacket, Ssh} = ssh_transport:key_exchange_init_msg(Ssh0), send_msg(SshPacket, State), - {next_state, connected, + {next_state, kexinit, next_packet(State#state{ssh_params = Ssh, key_exchange_init_msg = KeyInitMsg, renegotiate = true})}; @@ -551,42 +597,196 @@ handle_event(data_size, connected, #state{ssh_params = Ssh0} = State) -> end; handle_event(data_size, StateName, State) -> {next_state, StateName, State}; + +handle_event({request, ChannelPid, ChannelId, Type, Data}, StateName, State0) -> + {{replies, Replies}, State1} = handle_request(ChannelPid, ChannelId, + Type, Data, + false, none, State0), + State = send_replies(Replies, State1), + {next_state, StateName, next_packet(State)}; + +handle_event({request, ChannelId, Type, Data}, StateName, State0) -> + {{replies, Replies}, State1} = handle_request(ChannelId, Type, Data, + false, none, State0), + State = send_replies(Replies, State1), + {next_state, StateName, next_packet(State)}; + handle_event({unknown, Data}, StateName, State) -> Msg = #ssh_msg_unimplemented{sequence = Data}, send_msg(Msg, State), {next_state, StateName, next_packet(State)}. + %%-------------------------------------------------------------------- -%% Function: -%% handle_sync_event(Event, From, StateName, -%% State) -> {next_state, NextStateName, NextState} | -%% {next_state, NextStateName, NextState, -%% Timeout} | -%% {reply, Reply, NextStateName, NextState}| -%% {reply, Reply, NextStateName, NextState, -%% Timeout} | -%% {stop, Reason, NewState} | -%% {stop, Reason, Reply, NewState} -%% Description: Whenever a gen_fsm receives an event sent using -%% gen_fsm:sync_send_all_state_event/2,3, this function is called to handle -%% the event. +-spec handle_sync_event({request, pid(), channel_id(), integer(), binary(), timeout()} | + {request, channel_id(), integer(), binary(), timeout()} | + {global_request, pid(), integer(), boolean(), binary()} | {eof, integer()} | + {open, pid(), integer(), channel_id(), integer(), binary(), _} | + {send_window, channel_id()} | {recv_window, channel_id()} | + {connection_info, [client_version | server_version | peer | + sockname]} | {channel_info, channel_id(), [recv_window | + send_window]} | + {close, channel_id()} | stop, term(), state_name(), #state{}) + -> gen_fsm_state_return(). %%-------------------------------------------------------------------- +handle_sync_event({request, ChannelPid, ChannelId, Type, Data, Timeout}, From, StateName, State0) -> + {{replies, Replies}, State1} = handle_request(ChannelPid, + ChannelId, Type, Data, + true, From, State0), + %% Note reply to channel will happen later when + %% reply is recived from peer on the socket + State = send_replies(Replies, State1), + start_timeout(ChannelId, From, Timeout), + handle_idle_timeout(State), + {next_state, StateName, next_packet(State)}; + +handle_sync_event({request, ChannelId, Type, Data, Timeout}, From, StateName, State0) -> + {{replies, Replies}, State1} = handle_request(ChannelId, Type, Data, + true, From, State0), + %% Note reply to channel will happen later when + %% reply is recived from peer on the socket + State = send_replies(Replies, State1), + start_timeout(ChannelId, From, Timeout), + handle_idle_timeout(State), + {next_state, StateName, next_packet(State)}; + +handle_sync_event({global_request, Pid, _, _, _} = Request, From, StateName, + #state{connection_state = + #connection{channel_cache = Cache}} = State0) -> + State1 = handle_global_request(Request, State0), + Channel = ssh_channel:cache_find(Pid, Cache), + State = add_request(true, Channel#channel.local_id, From, State1), + {next_state, StateName, next_packet(State)}; + +handle_sync_event({data, ChannelId, Type, Data, Timeout}, From, StateName, + #state{connection_state = #connection{channel_cache = _Cache} + = Connection0} = State0) -> + + case ssh_connection:channel_data(ChannelId, Type, Data, Connection0, From) of + {{replies, Replies}, Connection} -> + State = send_replies(Replies, State0#state{connection_state = Connection}), + start_timeout(ChannelId, From, Timeout), + {next_state, StateName, next_packet(State)}; + {noreply, Connection} -> + start_timeout(ChannelId, From, Timeout), + {next_state, StateName, next_packet(State0#state{connection_state = Connection})} + end; + +handle_sync_event({eof, ChannelId}, _From, StateName, + #state{connection_state = + #connection{channel_cache = Cache}} = State0) -> + case ssh_channel:cache_lookup(Cache, ChannelId) of + #channel{remote_id = Id, sent_close = false} -> + State = send_replies([{connection_reply, + ssh_connection:channel_eof_msg(Id)}], State0), + {reply, ok, StateName, next_packet(State)}; + _ -> + {reply, {error,closed}, StateName, State0} + end; -%% Replaced with option to connection_info/3. For now keep -%% for backwards compatibility -handle_sync_event(peer_address, _From, StateName, - #state{ssh_params = #ssh{peer = {_, Address}}} = State) -> - {reply, {ok, Address}, StateName, State}. +handle_sync_event({open, ChannelPid, Type, InitialWindowSize, MaxPacketSize, Data, Timeout}, + From, StateName, #state{connection_state = + #connection{channel_cache = Cache}} = State0) -> + erlang:monitor(process, ChannelPid), + {ChannelId, State1} = new_channel_id(State0), + Msg = ssh_connection:channel_open_msg(Type, ChannelId, + InitialWindowSize, + MaxPacketSize, Data), + State2 = send_replies([{connection_reply, Msg}], State1), + Channel = #channel{type = Type, + sys = "none", + user = ChannelPid, + local_id = ChannelId, + recv_window_size = InitialWindowSize, + recv_packet_size = MaxPacketSize}, + ssh_channel:cache_update(Cache, Channel), + State = add_request(true, ChannelId, From, State2), + start_timeout(ChannelId, From, Timeout), + {next_state, StateName, next_packet(remove_timer_ref(State))}; + +handle_sync_event({send_window, ChannelId}, _From, StateName, + #state{connection_state = + #connection{channel_cache = Cache}} = State) -> + Reply = case ssh_channel:cache_lookup(Cache, ChannelId) of + #channel{send_window_size = WinSize, + send_packet_size = Packsize} -> + {ok, {WinSize, Packsize}}; + undefined -> + {error, einval} + end, + {reply, Reply, StateName, next_packet(State)}; + +handle_sync_event({recv_window, ChannelId}, _From, StateName, + #state{connection_state = #connection{channel_cache = Cache}} + = State) -> + + Reply = case ssh_channel:cache_lookup(Cache, ChannelId) of + #channel{recv_window_size = WinSize, + recv_packet_size = Packsize} -> + {ok, {WinSize, Packsize}}; + undefined -> + {error, einval} + end, + {reply, Reply, StateName, next_packet(State)}; + +handle_sync_event({connection_info, Options}, _From, StateName, State) -> + Info = ssh_info(Options, State, []), + {reply, Info, StateName, State}; + +handle_sync_event({channel_info, ChannelId, Options}, _From, StateName, + #state{connection_state = #connection{channel_cache = Cache}} = State) -> + case ssh_channel:cache_lookup(Cache, ChannelId) of + #channel{} = Channel -> + Info = ssh_channel_info(Options, Channel, []), + {reply, Info, StateName, State}; + undefined -> + {reply, [], StateName, State} + end; + +handle_sync_event({info, ChannelPid}, _From, StateName, + #state{connection_state = + #connection{channel_cache = Cache}} = State) -> + Result = ssh_channel:cache_foldl( + fun(Channel, Acc) when ChannelPid == all; + Channel#channel.user == ChannelPid -> + [Channel | Acc]; + (_, Acc) -> + Acc + end, [], Cache), + {reply, {ok, Result}, StateName, State}; + +handle_sync_event({close, ChannelId}, _, StateName, + #state{connection_state = + #connection{channel_cache = Cache}} = State0) -> + State = + case ssh_channel:cache_lookup(Cache, ChannelId) of + #channel{remote_id = Id} = Channel -> + State1 = send_replies([{connection_reply, + ssh_connection:channel_close_msg(Id)}], State0), + ssh_channel:cache_update(Cache, Channel#channel{sent_close = true}), + handle_idle_timeout(State1), + State1; + undefined -> + State0 + end, + {reply, ok, StateName, next_packet(State)}; + +handle_sync_event(stop, _, _StateName, #state{connection_state = Connection0, + role = Role, + opts = Opts} = State0) -> + {disconnect, Reason, {{replies, Replies}, Connection}} = + ssh_connection:handle_msg(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_BY_APPLICATION, + description = "User closed down connection", + language = "en"}, Connection0, Role), + State = send_replies(Replies, State0), + SSHOpts = proplists:get_value(ssh_opts, Opts), + disconnect_fun(Reason, SSHOpts), + {stop, normal, ok, State#state{connection_state = Connection}}. %%-------------------------------------------------------------------- -%% Function: -%% handle_info(Info,StateName,State)-> {next_state, NextStateName, NextState}| -%% {next_state, NextStateName, NextState, -%% Timeout} | -%% {stop, Reason, NewState} -%% Description: This function is called by a gen_fsm when it receives any -%% other message than a synchronous or asynchronous event -%% (or a system message). +-spec handle_info({atom(), port(), binary()} | {atom(), port()} | + term (), state_name(), #state{}) -> gen_fsm_state_return(). %%-------------------------------------------------------------------- + handle_info({Protocol, Socket, "SSH-" ++ _ = Version}, hello, #state{socket = Socket, transport_protocol = Protocol} = State ) -> @@ -651,15 +851,39 @@ handle_info({Protocol, Socket, Data}, Statename, handle_info({CloseTag, _Socket}, _StateName, #state{transport_close_tag = CloseTag, ssh_params = #ssh{role = _Role, opts = _Opts}} = State) -> - DisconnectMsg = - #ssh_msg_disconnect{code = ?SSH_DISCONNECT_CONNECTION_LOST, - description = "Connection Lost", + DisconnectMsg = + #ssh_msg_disconnect{code = ?SSH_DISCONNECT_BY_APPLICATION, + description = "Connection closed", language = "en"}, - {stop, {shutdown, DisconnectMsg}, State}; + handle_disconnect(DisconnectMsg, State); + +handle_info({timeout, {_, From} = Request}, Statename, + #state{connection_state = #connection{requests = Requests} = Connection} = State) -> + case lists:member(Request, Requests) of + true -> + gen_fsm:reply(From, {error, timeout}), + {next_state, Statename, + State#state{connection_state = + Connection#connection{requests = + lists:delete(Request, Requests)}}}; + false -> + {next_state, Statename, State} + end; + +%%% Handle that ssh channels user process goes down +handle_info({'DOWN', _Ref, process, ChannelPid, _Reason}, Statename, State0) -> + {{replies, Replies}, State1} = handle_channel_down(ChannelPid, State0), + State = send_replies(Replies, State1), + {next_state, Statename, next_packet(State)}; %%% So that terminate will be run when supervisor is shutdown handle_info({'EXIT', _Sup, Reason}, _StateName, State) -> - {stop, Reason, State}; + {stop, {shutdown, Reason}, State}; + +handle_info({check_cache, _ , _}, + StateName, #state{connection_state = + #connection{channel_cache = Cache}} = State) -> + {next_state, StateName, check_cache(State, Cache)}; handle_info(UnexpectedMessage, StateName, #state{ssh_params = SshParams} = State) -> Msg = lists:flatten(io_lib:format( @@ -673,20 +897,16 @@ handle_info(UnexpectedMessage, StateName, #state{ssh_params = SshParams} = State {next_state, StateName, State}. %%-------------------------------------------------------------------- -%% Function: terminate(Reason, StateName, State) -> void() -%% Description:This function is called by a gen_fsm when it is about -%% to terminate. It should be the opposite of Module:init/1 and do any -%% necessary cleaning up. When it returns, the gen_fsm terminates with -%% Reason. The return value is ignored. +-spec terminate(Reason::term(), state_name(), #state{}) -> _. %%-------------------------------------------------------------------- terminate(normal, _, #state{transport_cb = Transport, - socket = Socket, - manager = Pid}) -> - (catch ssh_userreg:delete_user(Pid)), + connection_state = Connection, + socket = Socket}) -> + terminate_subsytem(Connection), (catch Transport:close(Socket)), ok; -%% Terminated as manager terminated +%% Terminated by supervisor terminate(shutdown, StateName, #state{ssh_params = Ssh0} = State) -> DisconnectMsg = #ssh_msg_disconnect{code = ?SSH_DISCONNECT_BY_APPLICATION, @@ -696,31 +916,34 @@ terminate(shutdown, StateName, #state{ssh_params = Ssh0} = State) -> send_msg(SshPacket, State), terminate(normal, StateName, State#state{ssh_params = Ssh}); -terminate({shutdown, #ssh_msg_disconnect{} = Msg}, StateName, #state{ssh_params = Ssh0, manager = Pid} = State) -> - {SshPacket, Ssh} = ssh_transport:ssh_packet(Msg, Ssh0), - send_msg(SshPacket, State), - ssh_connection_manager:event(Pid, Msg), - terminate(normal, StateName, State#state{ssh_params = Ssh}); -terminate({shutdown, {#ssh_msg_disconnect{} = Msg, ErrorMsg}}, StateName, #state{ssh_params = Ssh0, manager = Pid} = State) -> - {SshPacket, Ssh} = ssh_transport:ssh_packet(Msg, Ssh0), +terminate({shutdown, #ssh_msg_disconnect{} = Msg}, StateName, + #state{ssh_params = Ssh0} = State) -> + {SshPacket, Ssh} = ssh_transport:ssh_packet(Msg, Ssh0), send_msg(SshPacket, State), - ssh_connection_manager:event(Pid, Msg, ErrorMsg), - terminate(normal, StateName, State#state{ssh_params = Ssh}); -terminate(Reason, StateName, #state{ssh_params = Ssh0, manager = Pid} = State) -> + terminate(normal, StateName, State#state{ssh_params = Ssh}); +terminate({shutdown, _}, StateName, State) -> + terminate(normal, StateName, State); +terminate(Reason, StateName, #state{ssh_params = Ssh0, starter = _Pid, + connection_state = Connection} = State) -> + terminate_subsytem(Connection), log_error(Reason), DisconnectMsg = #ssh_msg_disconnect{code = ?SSH_DISCONNECT_BY_APPLICATION, description = "Internal error", language = "en"}, {SshPacket, Ssh} = ssh_transport:ssh_packet(DisconnectMsg, Ssh0), - ssh_connection_manager:event(Pid, DisconnectMsg), send_msg(SshPacket, State), terminate(normal, StateName, State#state{ssh_params = Ssh}). +terminate_subsytem(#connection{system_supervisor = SysSup, + sub_system_supervisor = SubSysSup}) when is_pid(SubSysSup) -> + ssh_system_sup:stop_subsystem(SysSup, SubSysSup); +terminate_subsytem(_) -> + ok. + %%-------------------------------------------------------------------- -%% Function: -%% code_change(OldVsn, StateName, State, Extra) -> {ok, StateName, NewState} -%% Description: Convert process state when code is changed +-spec code_change(OldVsn::term(), state_name(), Oldstate::term(), Extra::term()) -> + {ok, state_name(), #state{}}. %%-------------------------------------------------------------------- code_change(_OldVsn, StateName, State, _Extra) -> {ok, StateName, State}. @@ -728,6 +951,39 @@ code_change(_OldVsn, StateName, State, _Extra) -> %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- +init_role(#state{role = client, opts = Opts} = State0) -> + Pid = proplists:get_value(user_pid, Opts), + TimerRef = get_idle_time(Opts), + timer:apply_after(?REKEY_TIMOUT, gen_fsm, send_all_state_event, [self(), renegotiate]), + timer:apply_after(?REKEY_DATA_TIMOUT, gen_fsm, send_all_state_event, + [self(), data_size]), + State0#state{starter = Pid, + idle_timer_ref = TimerRef}; +init_role(#state{role = server, opts = Opts, connection_state = Connection} = State) -> + Sups = proplists:get_value(supervisors, Opts), + Pid = proplists:get_value(user_pid, Opts), + SystemSup = proplists:get_value(system_sup, Sups), + SubSystemSup = proplists:get_value(subsystem_sup, Sups), + ConnectionSup = proplists:get_value(connection_sup, Sups), + Shell = proplists:get_value(shell, Opts), + Exec = proplists:get_value(exec, Opts), + CliSpec = proplists:get_value(ssh_cli, Opts, {ssh_cli, [Shell]}), + State#state{starter = Pid, connection_state = Connection#connection{ + cli_spec = CliSpec, + exec = Exec, + system_supervisor = SystemSup, + sub_system_supervisor = SubSystemSup, + connection_supervisor = ConnectionSup + }}. + +get_idle_time(SshOptions) -> + case proplists:get_value(idle_time, SshOptions) of + infinity -> + infinity; + _IdleTime -> %% We dont want to set the timeout on first connect + undefined + end. + init_ssh(client = Role, Vsn, Version, Options, Socket) -> IOCb = case proplists:get_value(user_interaction, Options, true) of true -> @@ -845,7 +1101,15 @@ send_all_state_event(FsmPid, Event) -> gen_fsm:send_all_state_event(FsmPid, Event). sync_send_all_state_event(FsmPid, Event) -> - gen_fsm:sync_send_all_state_event(FsmPid, Event). + try gen_fsm:sync_send_all_state_event(FsmPid, Event, infinity) + catch + exit:{noproc, _} -> + {error, closed}; + exit:{normal, _} -> + {error, closed}; + exit:{{shutdown, _},_} -> + {error, closed} + end. %% simulate send_all_state_event(self(), Event) event(#ssh_msg_disconnect{} = Event, StateName, State) -> @@ -858,10 +1122,33 @@ event(#ssh_msg_unimplemented{} = Event, StateName, State) -> handle_event(Event, StateName, State); %% simulate send_event(self(), Event) event(Event, StateName, State) -> - ?MODULE:StateName(Event, State). + try + ?MODULE:StateName(Event, State) + catch + throw:#ssh_msg_disconnect{} = DisconnectMsg -> + handle_disconnect(DisconnectMsg, State); + throw:{ErrorToDisplay, #ssh_msg_disconnect{} = DisconnectMsg} -> + handle_disconnect(DisconnectMsg, State, ErrorToDisplay); + _:Error -> + log_error(Error), + handle_disconnect(#ssh_msg_disconnect{code = error_code(StateName), + description = "Internal error", + language = "en"}, State) + end. +error_code(key_exchange) -> + ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED; +error_code(new_keys) -> + ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED; +error_code(_) -> + ?SSH_DISCONNECT_SERVICE_NOT_AVAILABLE. generate_event(<<?BYTE(Byte), _/binary>> = Msg, StateName, - #state{manager = Pid} = State0, EncData) + #state{ + role = Role, + starter = User, + opts = Opts, + renegotiate = Renegotiation, + connection_state = Connection0} = State0, EncData) when Byte == ?SSH_MSG_GLOBAL_REQUEST; Byte == ?SSH_MSG_REQUEST_SUCCESS; Byte == ?SSH_MSG_REQUEST_FAILURE; @@ -876,18 +1163,40 @@ generate_event(<<?BYTE(Byte), _/binary>> = Msg, StateName, Byte == ?SSH_MSG_CHANNEL_REQUEST; Byte == ?SSH_MSG_CHANNEL_SUCCESS; Byte == ?SSH_MSG_CHANNEL_FAILURE -> - - try - ssh_connection_manager:event(Pid, Msg), - State = generate_event_new_state(State0, EncData), - next_packet(State), - {next_state, StateName, State} + ConnectionMsg = ssh_message:decode(Msg), + State1 = generate_event_new_state(State0, EncData), + try ssh_connection:handle_msg(ConnectionMsg, Connection0, Role) of + {{replies, Replies}, Connection} -> + State = send_replies(Replies, State1#state{connection_state = Connection}), + {next_state, StateName, next_packet(State)}; + {noreply, Connection} -> + {next_state, StateName, next_packet(State1#state{connection_state = Connection})}; + {disconnect, {_, Reason}, {{replies, Replies}, Connection}} when + Role == client andalso ((StateName =/= connected) and (not Renegotiation)) -> + State = send_replies(Replies, State1#state{connection_state = Connection}), + User ! {self(), not_connected, Reason}, + {stop, {shutdown, normal}, + next_packet(State#state{connection_state = Connection})}; + {disconnect, Reason, {{replies, Replies}, Connection}} -> + State = send_replies(Replies, State1#state{connection_state = Connection}), + SSHOpts = proplists:get_value(ssh_opts, Opts), + disconnect_fun(Reason, SSHOpts), + {stop, {shutdown, normal}, State#state{connection_state = Connection}} catch - exit:{noproc, Reason} -> - {stop, {shutdown, Reason}, State0} + _:Error -> + {disconnect, Reason, {{replies, Replies}, Connection}} = + ssh_connection:handle_msg( + #ssh_msg_disconnect{code = ?SSH_DISCONNECT_BY_APPLICATION, + description = "Internal error", + language = "en"}, Connection0, Role), + State = send_replies(Replies, State1#state{connection_state = Connection}), + SSHOpts = proplists:get_value(ssh_opts, Opts), + disconnect_fun(Reason, SSHOpts), + {stop, {shutdown, Error}, State#state{connection_state = Connection}} end; + generate_event(Msg, StateName, State0, EncData) -> - Event = ssh_bits:decode(Msg), + Event = ssh_message:decode(Msg), State = generate_event_new_state(State0, EncData), case Event of #ssh_msg_kexinit{} -> @@ -897,6 +1206,100 @@ generate_event(Msg, StateName, State0, EncData) -> event(Event, StateName, State) end. + +handle_request(ChannelPid, ChannelId, Type, Data, WantReply, From, + #state{connection_state = + #connection{channel_cache = Cache}} = State0) -> + case ssh_channel:cache_lookup(Cache, ChannelId) of + #channel{remote_id = Id} = Channel -> + update_sys(Cache, Channel, Type, ChannelPid), + Msg = ssh_connection:channel_request_msg(Id, Type, + WantReply, Data), + Replies = [{connection_reply, Msg}], + State = add_request(WantReply, ChannelId, From, State0), + {{replies, Replies}, State}; + undefined -> + {{replies, []}, State0} + end. + +handle_request(ChannelId, Type, Data, WantReply, From, + #state{connection_state = + #connection{channel_cache = Cache}} = State0) -> + case ssh_channel:cache_lookup(Cache, ChannelId) of + #channel{remote_id = Id} -> + Msg = ssh_connection:channel_request_msg(Id, Type, + WantReply, Data), + Replies = [{connection_reply, Msg}], + State = add_request(WantReply, ChannelId, From, State0), + {{replies, Replies}, State}; + undefined -> + {{replies, []}, State0} + end. + +handle_global_request({global_request, ChannelPid, + "tcpip-forward" = Type, WantReply, + <<?UINT32(IPLen), + IP:IPLen/binary, ?UINT32(Port)>> = Data}, + #state{connection_state = + #connection{channel_cache = Cache} + = Connection0} = State) -> + ssh_channel:cache_update(Cache, #channel{user = ChannelPid, + type = "forwarded-tcpip", + sys = none}), + Connection = ssh_connection:bind(IP, Port, ChannelPid, Connection0), + Msg = ssh_connection:global_request_msg(Type, WantReply, Data), + send_replies([{connection_reply, Msg}], State#state{connection_state = Connection}); + +handle_global_request({global_request, _Pid, "cancel-tcpip-forward" = Type, + WantReply, <<?UINT32(IPLen), + IP:IPLen/binary, ?UINT32(Port)>> = Data}, + #state{connection_state = Connection0} = State) -> + Connection = ssh_connection:unbind(IP, Port, Connection0), + Msg = ssh_connection:global_request_msg(Type, WantReply, Data), + send_replies([{connection_reply, Msg}], State#state{connection_state = Connection}); + +handle_global_request({global_request, _, "cancel-tcpip-forward" = Type, + WantReply, Data}, State) -> + Msg = ssh_connection:global_request_msg(Type, WantReply, Data), + send_replies([{connection_reply, Msg}], State). + +handle_idle_timeout(#state{opts = Opts}) -> + case proplists:get_value(idle_time, Opts, infinity) of + infinity -> + ok; + IdleTime -> + erlang:send_after(IdleTime, self(), {check_cache, [], []}) + end. + +handle_channel_down(ChannelPid, #state{connection_state = + #connection{channel_cache = Cache}} = + State) -> + ssh_channel:cache_foldl( + fun(Channel, Acc) when Channel#channel.user == ChannelPid -> + ssh_channel:cache_delete(Cache, + Channel#channel.local_id), + Acc; + (_,Acc) -> + Acc + end, [], Cache), + {{replies, []}, check_cache(State, Cache)}. + +update_sys(Cache, Channel, Type, ChannelPid) -> + ssh_channel:cache_update(Cache, + Channel#channel{sys = Type, user = ChannelPid}). +add_request(false, _ChannelId, _From, State) -> + State; +add_request(true, ChannelId, From, #state{connection_state = + #connection{requests = Requests0} = + Connection} = State) -> + Requests = [{ChannelId, From} | Requests0], + State#state{connection_state = Connection#connection{requests = Requests}}. + +new_channel_id(#state{connection_state = #connection{channel_id_seed = Id} = + Connection} + = State) -> + {Id, State#state{connection_state = + Connection#connection{channel_id_seed = Id + 1}}}. generate_event_new_state(#state{ssh_params = #ssh{recv_sequence = SeqNum0} = Ssh} = State, EncData) -> @@ -906,7 +1309,6 @@ generate_event_new_state(#state{ssh_params = encoded_data_buffer = EncData, undecoded_packet_length = undefined}. - next_packet(#state{decoded_data_buffer = <<>>, encoded_data_buffer = Buff, ssh_params = #ssh{decrypt_block_size = BlockSize}, @@ -931,7 +1333,6 @@ after_new_keys(#state{renegotiate = true} = State) -> {connected, State#state{renegotiate = false}}; after_new_keys(#state{renegotiate = false, ssh_params = #ssh{role = client} = Ssh0} = State) -> - ssh_bits:install_messages(ssh_auth:userauth_messages()), {Msg, Ssh} = ssh_auth:service_request_msg(Ssh0), send_msg(Msg, State), {userauth, State#state{ssh_params = Ssh}}; @@ -981,10 +1382,16 @@ handle_ssh_packet(Length, StateName, #state{decoded_data_buffer = DecData0, handle_disconnect(DisconnectMsg, State0) end. -handle_disconnect(#ssh_msg_disconnect{} = Msg, State) -> - {stop, {shutdown, Msg}, State}. -handle_disconnect(#ssh_msg_disconnect{} = Msg, State, ErrorMsg) -> - {stop, {shutdown, {Msg, ErrorMsg}}, State}. +handle_disconnect(#ssh_msg_disconnect{description = Desc} = Msg, #state{connection_state = Connection0, + role = Role} = State0) -> + {disconnect, _, {{replies, Replies}, Connection}} = ssh_connection:handle_msg(Msg, Connection0, Role), + State = send_replies(Replies, State0), + {stop, {shutdown, Desc}, State#state{connection_state = Connection}}. +handle_disconnect(#ssh_msg_disconnect{description = Desc} = Msg, #state{connection_state = Connection0, + role = Role} = State0, ErrorMsg) -> + {disconnect, _, {{replies, Replies}, Connection}} = ssh_connection:handle_msg(Msg, Connection0, Role), + State = send_replies(Replies, State0), + {stop, {shutdown, {Desc, ErrorMsg}}, State#state{connection_state = Connection}}. counterpart_versions(NumVsn, StrVsn, #ssh{role = server} = Ssh) -> Ssh#ssh{c_vsn = NumVsn , c_version = StrVsn}; @@ -1003,45 +1410,67 @@ connected_fun(User, PeerAddr, Method, Opts) -> catch Fun(User, PeerAddr, Method) end. -retry_fun(_, undefined, _) -> +retry_fun(_, _, undefined, _) -> ok; -retry_fun(User, {error, Reason}, Opts) -> +retry_fun(User, PeerAddr, {error, Reason}, Opts) -> case proplists:get_value(failfun, Opts) of undefined -> ok; Fun -> - catch Fun(User, Reason) + do_retry_fun(Fun, User, PeerAddr, Reason) end; -retry_fun(User, Reason, Opts) -> +retry_fun(User, PeerAddr, Reason, Opts) -> case proplists:get_value(infofun, Opts) of undefined -> ok; - Fun -> - catch Fun(User, Reason) + Fun -> + do_retry_fun(Fun, User, PeerAddr, Reason) end. -ssh_info_handler(Options, Ssh, From) -> - Info = ssh_info(Options, Ssh, []), - ssh_connection_manager:send_msg({channel_requst_reply, From, Info}). +do_retry_fun(Fun, User, PeerAddr, Reason) -> + case erlang:fun_info(Fun, arity) of + {arity, 2} -> %% Backwards compatible + catch Fun(User, Reason); + {arity, 3} -> + catch Fun(User, PeerAddr, Reason) + end. -ssh_info([], _, Acc) -> +ssh_info([], _State, Acc) -> + Acc; +ssh_info([client_version | Rest], #state{ssh_params = #ssh{c_vsn = IntVsn, + c_version = StringVsn}} = State, Acc) -> + ssh_info(Rest, State, [{client_version, {IntVsn, StringVsn}} | Acc]); + +ssh_info([server_version | Rest], #state{ssh_params =#ssh{s_vsn = IntVsn, + s_version = StringVsn}} = State, Acc) -> + ssh_info(Rest, State, [{server_version, {IntVsn, StringVsn}} | Acc]); +ssh_info([peer | Rest], #state{ssh_params = #ssh{peer = Peer}} = State, Acc) -> + ssh_info(Rest, State, [{peer, Peer} | Acc]); +ssh_info([sockname | Rest], #state{socket = Socket} = State, Acc) -> + {ok, SockName} = inet:sockname(Socket), + ssh_info(Rest, State, [{sockname, SockName}|Acc]); +ssh_info([user | Rest], #state{auth_user = User} = State, Acc) -> + ssh_info(Rest, State, [{user, User}|Acc]); +ssh_info([ _ | Rest], State, Acc) -> + ssh_info(Rest, State, Acc). + +ssh_channel_info([], _, Acc) -> Acc; -ssh_info([client_version | Rest], #ssh{c_vsn = IntVsn, - c_version = StringVsn} = SshParams, Acc) -> - ssh_info(Rest, SshParams, [{client_version, {IntVsn, StringVsn}} | Acc]); - -ssh_info([server_version | Rest], #ssh{s_vsn = IntVsn, - s_version = StringVsn} = SshParams, Acc) -> - ssh_info(Rest, SshParams, [{server_version, {IntVsn, StringVsn}} | Acc]); - -ssh_info([peer | Rest], #ssh{peer = Peer} = SshParams, Acc) -> - ssh_info(Rest, SshParams, [{peer, Peer} | Acc]); - -ssh_info([ _ | Rest], SshParams, Acc) -> - ssh_info(Rest, SshParams, Acc). +ssh_channel_info([recv_window | Rest], #channel{recv_window_size = WinSize, + recv_packet_size = Packsize + } = Channel, Acc) -> + ssh_channel_info(Rest, Channel, [{recv_window, {{win_size, WinSize}, + {packet_size, Packsize}}} | Acc]); +ssh_channel_info([send_window | Rest], #channel{send_window_size = WinSize, + send_packet_size = Packsize + } = Channel, Acc) -> + ssh_channel_info(Rest, Channel, [{send_window, {{win_size, WinSize}, + {packet_size, Packsize}}} | Acc]); +ssh_channel_info([ _ | Rest], Channel, Acc) -> + ssh_channel_info(Rest, Channel, Acc). log_error(Reason) -> Report = io_lib:format("Erlang ssh connection handler failed with reason: " @@ -1050,3 +1479,101 @@ log_error(Reason) -> [Reason, erlang:get_stacktrace()]), error_logger:error_report(Report), "Internal error". + +send_replies([], State) -> + State; +send_replies([{connection_reply, Data} | Rest], #state{ssh_params = Ssh0} = State) -> + {Packet, Ssh} = ssh_transport:ssh_packet(Data, Ssh0), + send_msg(Packet, State), + send_replies(Rest, State#state{ssh_params = Ssh}); +send_replies([Msg | Rest], State) -> + catch send_reply(Msg), + send_replies(Rest, State). + +send_reply({channel_data, Pid, Data}) -> + Pid ! {ssh_cm, self(), Data}; +send_reply({channel_requst_reply, From, Data}) -> + gen_fsm:reply(From, Data); +send_reply({flow_control, Cache, Channel, From, Msg}) -> + ssh_channel:cache_update(Cache, Channel#channel{flow_control = undefined}), + gen_fsm:reply(From, Msg); +send_reply({flow_control, From, Msg}) -> + gen_fsm:reply(From, Msg). + +disconnect_fun(_, undefined) -> + ok; +disconnect_fun(Reason, Opts) -> + case proplists:get_value(disconnectfun, Opts) of + undefined -> + ok; + Fun -> + catch Fun(Reason) + end. + +check_cache(#state{opts = Opts} = State, Cache) -> + %% Check the number of entries in Cache + case proplists:get_value(size, ets:info(Cache)) of + 0 -> + case proplists:get_value(idle_time, Opts, infinity) of + infinity -> + State; + Time -> + handle_idle_timer(Time, State) + end; + _ -> + State + end. + +handle_idle_timer(Time, #state{idle_timer_ref = undefined} = State) -> + TimerRef = erlang:send_after(Time, self(), {'EXIT', [], "Timeout"}), + State#state{idle_timer_ref=TimerRef}; +handle_idle_timer(_, State) -> + State. + +remove_timer_ref(State) -> + case State#state.idle_timer_ref of + infinity -> %% If the timer is not activated + State; + undefined -> %% If we already has cancelled the timer + State; + TimerRef -> %% Timer is active + erlang:cancel_timer(TimerRef), + State#state{idle_timer_ref = undefined} + end. + +socket_control(Socket, Pid, Transport) -> + case Transport:controlling_process(Socket, Pid) of + ok -> + send_event(Pid, socket_control); + {error, Reason} -> + {error, Reason} + end. + +handshake(Pid, Ref, Timeout) -> + receive + ssh_connected -> + erlang:demonitor(Ref), + {ok, Pid}; + {Pid, not_connected, Reason} -> + {error, Reason}; + {Pid, user_password} -> + Pass = io:get_password(), + Pid ! Pass, + handshake(Pid, Ref, Timeout); + {Pid, question} -> + Answer = io:get_line(""), + Pid ! Answer, + handshake(Pid, Ref, Timeout); + {'DOWN', _, process, Pid, {shutdown, Reason}} -> + {error, Reason}; + {'DOWN', _, process, Pid, Reason} -> + {error, Reason} + after Timeout -> + stop(Pid), + {error, Timeout} + end. + +start_timeout(_,_, infinity) -> + ok; +start_timeout(Channel, From, Time) -> + erlang:send_after(Time, self(), {timeout, {Channel, From}}). diff --git a/lib/ssh/src/ssh_connection_manager.erl b/lib/ssh/src/ssh_connection_manager.erl deleted file mode 100644 index 99a0b6a7c8..0000000000 --- a/lib/ssh/src/ssh_connection_manager.erl +++ /dev/null @@ -1,916 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2008-2013. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% -%% -%%---------------------------------------------------------------------- -%% Purpose: Handles multiplexing to ssh channels and global connection -%% requests e.i. the SSH Connection Protocol (RFC 4254), that provides -%% interactive login sessions, remote execution of commands, forwarded -%% TCP/IP connections, and forwarded X11 connections. Details of the -%% protocol is implemented in ssh_connection.erl -%% ---------------------------------------------------------------------- --module(ssh_connection_manager). - --behaviour(gen_server). - --include("ssh.hrl"). --include("ssh_connect.hrl"). --include("ssh_transport.hrl"). - --export([start_link/1]). - --export([info/1, info/2, - renegotiate/1, connection_info/2, channel_info/3, - peer_addr/1, send_window/3, recv_window/3, adjust_window/3, - close/2, stop/1, send/5, - send_eof/2]). - --export([open_channel/6, reply_request/3, request/6, request/7, global_request/4, event/2, event/3, cast/2]). - -%% Internal application API and spawn --export([send_msg/1, ssh_channel_info_handler/3]). - -%% gen_server callbacks --export([init/1, handle_call/3, handle_cast/2, handle_info/2, - terminate/2, code_change/3]). - --define(DBG_MESSAGE, true). - --record(state, - { - role, - client, - starter, - connection, % pid() - connection_state, % #connection{} - latest_channel_id = 0, - opts, - channel_args, - idle_timer_ref, % timerref - connected - }). - -%%==================================================================== -%% Internal application API -%%==================================================================== - -start_link(Opts) -> - gen_server:start_link(?MODULE, Opts, []). - -open_channel(ConnectionManager, ChannelType, ChannelSpecificData, - InitialWindowSize, MaxPacketSize, Timeout) -> - case (catch call(ConnectionManager, {open, self(), ChannelType, - InitialWindowSize, - MaxPacketSize, ChannelSpecificData}, - Timeout)) of - {open, Channel} -> - {ok, Channel}; - Error -> - %% TODO: Best way? - Error - end. - -request(ConnectionManager, ChannelPid, ChannelId, Type, true, Data, Timeout) -> - call(ConnectionManager, {request, ChannelPid, ChannelId, Type, Data}, Timeout); -request(ConnectionManager, ChannelPid, ChannelId, Type, false, Data, _) -> - cast(ConnectionManager, {request, ChannelPid, ChannelId, Type, Data}). - -request(ConnectionManager, ChannelId, Type, true, Data, Timeout) -> - call(ConnectionManager, {request, ChannelId, Type, Data}, Timeout); -request(ConnectionManager, ChannelId, Type, false, Data, _) -> - cast(ConnectionManager, {request, ChannelId, Type, Data}). - -reply_request(ConnectionManager, Status, ChannelId) -> - cast(ConnectionManager, {reply_request, Status, ChannelId}). - -global_request(ConnectionManager, Type, true = Reply, Data) -> - case call(ConnectionManager, - {global_request, self(), Type, Reply, Data}) of - {ssh_cm, ConnectionManager, {success, _}} -> - ok; - {ssh_cm, ConnectionManager, {failure, _}} -> - error - end; - -global_request(ConnectionManager, Type, false = Reply, Data) -> - cast(ConnectionManager, {global_request, self(), Type, Reply, Data}). - -event(ConnectionManager, BinMsg, ErrorMsg) -> - call(ConnectionManager, {ssh_msg, self(), BinMsg, ErrorMsg}). -event(ConnectionManager, BinMsg) -> - call(ConnectionManager, {ssh_msg, self(), BinMsg}). -info(ConnectionManager) -> - info(ConnectionManager, {info, all}). - -info(ConnectionManager, ChannelProcess) -> - call(ConnectionManager, {info, ChannelProcess}). - -%% TODO: Do we really want this function? Should not -%% renegotiation be triggered by configurable timer -%% or amount of data sent counter! -renegotiate(ConnectionManager) -> - cast(ConnectionManager, renegotiate). -renegotiate_data(ConnectionManager) -> - cast(ConnectionManager, renegotiate_data). -connection_info(ConnectionManager, Options) -> - call(ConnectionManager, {connection_info, Options}). - -channel_info(ConnectionManager, ChannelId, Options) -> - call(ConnectionManager, {channel_info, ChannelId, Options}). - -%% Replaced by option peer to connection_info/2 keep for now -%% for Backwards compatibility! -peer_addr(ConnectionManager) -> - call(ConnectionManager, {peer_addr, self()}). - -%% Backwards compatibility! -send_window(ConnectionManager, Channel, TimeOut) -> - call(ConnectionManager, {send_window, Channel}, TimeOut). -%% Backwards compatibility! -recv_window(ConnectionManager, Channel, TimeOut) -> - call(ConnectionManager, {recv_window, Channel}, TimeOut). - -adjust_window(ConnectionManager, Channel, Bytes) -> - cast(ConnectionManager, {adjust_window, Channel, Bytes}). - -close(ConnectionManager, ChannelId) -> - case call(ConnectionManager, {close, ChannelId}) of - ok -> - ok; - {error, channel_closed} -> - ok - end. - -stop(ConnectionManager) -> - case call(ConnectionManager, stop) of - ok -> - ok; - {error, channel_closed} -> - ok - end. - -send(ConnectionManager, ChannelId, Type, Data, Timeout) -> - call(ConnectionManager, {data, ChannelId, Type, Data}, Timeout). - -send_eof(ConnectionManager, ChannelId) -> - call(ConnectionManager, {eof, ChannelId}). - -%%==================================================================== -%% gen_server callbacks -%%==================================================================== - -%%-------------------------------------------------------------------- -%% Function: init(Args) -> {ok, State} | -%% {ok, State, Timeout} | -%% ignore | -%% {stop, Reason} -%% Description: Initiates the server -%%-------------------------------------------------------------------- -init([server, _Socket, Opts]) -> - process_flag(trap_exit, true), - ssh_bits:install_messages(ssh_connection:messages()), - Cache = ssh_channel:cache_create(), - {ok, #state{role = server, - connection_state = #connection{channel_cache = Cache, - channel_id_seed = 0, - port_bindings = [], - requests = []}, - opts = Opts, - connected = false}}; - -init([client, Opts]) -> - process_flag(trap_exit, true), - {links, [Parent]} = process_info(self(), links), - ssh_bits:install_messages(ssh_connection:messages()), - Cache = ssh_channel:cache_create(), - Address = proplists:get_value(address, Opts), - Port = proplists:get_value(port, Opts), - SocketOpts = proplists:get_value(socket_opts, Opts), - Options = proplists:get_value(ssh_opts, Opts), - ChannelPid = proplists:get_value(channel_pid, Opts), - self() ! - {start_connection, client, [Parent, Address, Port, SocketOpts, Options]}, - TimerRef = get_idle_time(Options), - - {ok, #state{role = client, - client = ChannelPid, - connection_state = #connection{channel_cache = Cache, - channel_id_seed = 0, - port_bindings = [], - connection_supervisor = Parent, - requests = []}, - opts = Opts, - idle_timer_ref = TimerRef, - connected = false}}. - -%%-------------------------------------------------------------------- -%% Function: %% handle_call(Request, From, State) -> {reply, Reply, State} | -%% {reply, Reply, State, Timeout} | -%% {noreply, State} | -%% {noreply, State, Timeout} | -%% {stop, Reason, Reply, State} | -%% {stop, Reason, State} -%% Description: Handling call messages -%%-------------------------------------------------------------------- -handle_call({request, ChannelPid, ChannelId, Type, Data}, From, State0) -> - {{replies, Replies}, State} = handle_request(ChannelPid, - ChannelId, Type, Data, - true, From, State0), - %% Sends message to the connection handler process, reply to - %% channel is sent later when reply arrives from the connection - %% handler. - lists:foreach(fun send_msg/1, Replies), - SshOpts = proplists:get_value(ssh_opts, State0#state.opts), - case proplists:get_value(idle_time, SshOpts) of - infinity -> - ok; - _IdleTime -> - erlang:send_after(5000, self(), {check_cache, [], []}) - end, - {noreply, State}; - -handle_call({request, ChannelId, Type, Data}, From, State0) -> - {{replies, Replies}, State} = handle_request(ChannelId, Type, Data, - true, From, State0), - %% Sends message to the connection handler process, reply to - %% channel is sent later when reply arrives from the connection - %% handler. - lists:foreach(fun send_msg/1, Replies), - {noreply, State}; - -%% Message from ssh_connection_handler -handle_call({ssh_msg, Pid, Msg}, From, - #state{connection_state = Connection0, - role = Role, opts = Opts, connected = IsConnected, - client = ClientPid} - = State) -> - - %% To avoid that not all data sent by the other side is processes before - %% possible crash in ssh_connection_handler takes down the connection. - gen_server:reply(From, ok), - ConnectionMsg = decode_ssh_msg(Msg), - try ssh_connection:handle_msg(ConnectionMsg, Connection0, Pid, Role) of - {{replies, Replies}, Connection} -> - lists:foreach(fun send_msg/1, Replies), - {noreply, State#state{connection_state = Connection}}; - {noreply, Connection} -> - {noreply, State#state{connection_state = Connection}}; - {disconnect, {_, Reason}, {{replies, Replies}, Connection}} - when Role == client andalso (not IsConnected) -> - lists:foreach(fun send_msg/1, Replies), - ClientPid ! {self(), not_connected, Reason}, - {stop, {shutdown, normal}, State#state{connection = Connection}}; - {disconnect, Reason, {{replies, Replies}, Connection}} -> - lists:foreach(fun send_msg/1, Replies), - SSHOpts = proplists:get_value(ssh_opts, Opts), - disconnect_fun(Reason, SSHOpts), - {stop, {shutdown, normal}, State#state{connection_state = Connection}} - catch - _:Error -> - {disconnect, Reason, {{replies, Replies}, Connection}} = - ssh_connection:handle_msg( - #ssh_msg_disconnect{code = ?SSH_DISCONNECT_BY_APPLICATION, - description = "Internal error", - language = "en"}, Connection0, undefined, - Role), - lists:foreach(fun send_msg/1, Replies), - SSHOpts = proplists:get_value(ssh_opts, Opts), - disconnect_fun(Reason, SSHOpts), - {stop, {shutdown, Error}, State#state{connection_state = Connection}} - end; -handle_call({ssh_msg, Pid, Msg, ErrorMsg}, From, - #state{connection_state = Connection0, - role = Role, opts = Opts, connected = IsConnected, - client = ClientPid} - = State) -> - - %% To avoid that not all data sent by the other side is processes before - %% possible crash in ssh_connection_handler takes down the connection. - gen_server:reply(From, ok), - ConnectionMsg = decode_ssh_msg(Msg), - try ssh_connection:handle_msg(ConnectionMsg, Connection0, Pid, Role) of - {{replies, Replies}, Connection} -> - lists:foreach(fun send_msg/1, Replies), - {noreply, State#state{connection_state = Connection}}; - {noreply, Connection} -> - {noreply, State#state{connection_state = Connection}}; - {disconnect, {_, Reason}, {{replies, Replies}, Connection}} - when Role == client andalso (not IsConnected) -> - lists:foreach(fun send_msg/1, Replies), - ClientPid ! {self(), not_connected, {Reason, ErrorMsg}}, - {stop, {shutdown, normal}, State#state{connection = Connection}}; - {disconnect, Reason, {{replies, Replies}, Connection}} -> - lists:foreach(fun send_msg/1, Replies), - SSHOpts = proplists:get_value(ssh_opts, Opts), - disconnect_fun(Reason, SSHOpts), - {stop, {shutdown, normal}, State#state{connection_state = Connection}} - catch - _:Error -> - {disconnect, Reason, {{replies, Replies}, Connection}} = - ssh_connection:handle_msg( - #ssh_msg_disconnect{code = ?SSH_DISCONNECT_BY_APPLICATION, - description = "Internal error", - language = "en"}, Connection0, undefined, - Role), - lists:foreach(fun send_msg/1, Replies), - SSHOpts = proplists:get_value(ssh_opts, Opts), - disconnect_fun(Reason, SSHOpts), - {stop, {shutdown, Error}, State#state{connection_state = Connection}} - end; -handle_call({global_request, Pid, _, _, _} = Request, From, - #state{connection_state = - #connection{channel_cache = Cache}} = State0) -> - State1 = handle_global_request(Request, State0), - Channel = ssh_channel:cache_find(Pid, Cache), - State = add_request(true, Channel#channel.local_id, From, State1), - {noreply, State}; - -handle_call({data, ChannelId, Type, Data}, From, - #state{connection_state = #connection{channel_cache = _Cache} - = Connection0, - connection = ConnectionPid} = State) -> - channel_data(ChannelId, Type, Data, Connection0, ConnectionPid, From, - State); - -handle_call({eof, ChannelId}, _From, - #state{connection = Pid, connection_state = - #connection{channel_cache = Cache}} = State) -> - case ssh_channel:cache_lookup(Cache, ChannelId) of - #channel{remote_id = Id, sent_close = false} -> - send_msg({connection_reply, Pid, - ssh_connection:channel_eof_msg(Id)}), - {reply, ok, State}; - _ -> - {reply, {error,closed}, State} - end; - -handle_call({connection_info, Options}, From, - #state{connection = Connection} = State) -> - ssh_connection_handler:connection_info(Connection, From, Options), - %% Reply will be sent by the connection handler by calling - %% ssh_connection_handler:send_msg/1. - {noreply, State}; - -handle_call({channel_info, ChannelId, Options}, From, - #state{connection_state = #connection{channel_cache = Cache}} = State) -> - - case ssh_channel:cache_lookup(Cache, ChannelId) of - #channel{} = Channel -> - spawn(?MODULE, ssh_channel_info_handler, [Options, Channel, From]), - {noreply, State}; - undefined -> - {reply, []} - end; - -handle_call({info, ChannelPid}, _From, - #state{connection_state = - #connection{channel_cache = Cache}} = State) -> - Result = ssh_channel:cache_foldl( - fun(Channel, Acc) when ChannelPid == all; - Channel#channel.user == ChannelPid -> - [Channel | Acc]; - (_, Acc) -> - Acc - end, [], Cache), - {reply, {ok, Result}, State}; - -handle_call({open, ChannelPid, Type, InitialWindowSize, MaxPacketSize, Data}, - From, #state{connection = Pid, - connection_state = - #connection{channel_cache = Cache}} = State0) -> - erlang:monitor(process, ChannelPid), - {ChannelId, State1} = new_channel_id(State0), - Msg = ssh_connection:channel_open_msg(Type, ChannelId, - InitialWindowSize, - MaxPacketSize, Data), - send_msg({connection_reply, Pid, Msg}), - Channel = #channel{type = Type, - sys = "none", - user = ChannelPid, - local_id = ChannelId, - recv_window_size = InitialWindowSize, - recv_packet_size = MaxPacketSize}, - ssh_channel:cache_update(Cache, Channel), - State = add_request(true, ChannelId, From, State1), - {noreply, remove_timer_ref(State)}; - -handle_call({send_window, ChannelId}, _From, - #state{connection_state = - #connection{channel_cache = Cache}} = State) -> - Reply = case ssh_channel:cache_lookup(Cache, ChannelId) of - #channel{send_window_size = WinSize, - send_packet_size = Packsize} -> - {ok, {WinSize, Packsize}}; - undefined -> - {error, einval} - end, - {reply, Reply, State}; - -handle_call({recv_window, ChannelId}, _From, - #state{connection_state = #connection{channel_cache = Cache}} - = State) -> - - Reply = case ssh_channel:cache_lookup(Cache, ChannelId) of - #channel{recv_window_size = WinSize, - recv_packet_size = Packsize} -> - {ok, {WinSize, Packsize}}; - undefined -> - {error, einval} - end, - {reply, Reply, State}; - -%% Replaced by option peer to connection_info/2 keep for now -%% for Backwards compatibility! -handle_call({peer_addr, _ChannelId}, _From, - #state{connection = Pid} = State) -> - Reply = ssh_connection_handler:peer_address(Pid), - {reply, Reply, State}; - -handle_call(opts, _, #state{opts = Opts} = State) -> - {reply, Opts, State}; - -handle_call({close, ChannelId}, _, - #state{connection = Pid, connection_state = - #connection{channel_cache = Cache}} = State) -> - case ssh_channel:cache_lookup(Cache, ChannelId) of - #channel{remote_id = Id} = Channel -> - send_msg({connection_reply, Pid, - ssh_connection:channel_close_msg(Id)}), - ssh_channel:cache_update(Cache, Channel#channel{sent_close = true}), - SshOpts = proplists:get_value(ssh_opts, State#state.opts), - case proplists:get_value(idle_time, SshOpts) of - infinity -> - ok; - _IdleTime -> - erlang:send_after(5000, self(), {check_cache, [], []}) - end, - {reply, ok, State}; - undefined -> - {reply, ok, State} - end; - -handle_call(stop, _, #state{connection_state = Connection0, - role = Role, - opts = Opts} = State) -> - {disconnect, Reason, {{replies, Replies}, Connection}} = - ssh_connection:handle_msg(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_BY_APPLICATION, - description = "User closed down connection", - language = "en"}, Connection0, undefined, - Role), - lists:foreach(fun send_msg/1, Replies), - SSHOpts = proplists:get_value(ssh_opts, Opts), - disconnect_fun(Reason, SSHOpts), - {stop, normal, ok, State#state{connection_state = Connection}}; - -%% API violation make it the violaters problem -%% by ignoring it. The violating process will get -%% a timeout or hang. -handle_call(_, _, State) -> - {noreply, State}. - -%%-------------------------------------------------------------------- -%% Function: handle_cast(Msg, State) -> {noreply, State} | -%% {noreply, State, Timeout} | -%% {stop, Reason, State} -%% Description: Handling cast messages -%%-------------------------------------------------------------------- -handle_cast({request, ChannelPid, ChannelId, Type, Data}, State0) -> - {{replies, Replies}, State} = handle_request(ChannelPid, ChannelId, - Type, Data, - false, none, State0), - lists:foreach(fun send_msg/1, Replies), - {noreply, State}; - -handle_cast({request, ChannelId, Type, Data}, State0) -> - {{replies, Replies}, State} = handle_request(ChannelId, Type, Data, - false, none, State0), - lists:foreach(fun send_msg/1, Replies), - {noreply, State}; - -handle_cast({reply_request, Status, ChannelId}, #state{connection_state = - #connection{channel_cache = Cache}} = State0) -> - State = case ssh_channel:cache_lookup(Cache, ChannelId) of - #channel{remote_id = RemoteId} -> - cm_message({Status, RemoteId}, State0); - undefined -> - State0 - end, - {noreply, State}; - -handle_cast({global_request, _, _, _, _} = Request, State0) -> - State = handle_global_request(Request, State0), - {noreply, State}; - -handle_cast(renegotiate, #state{connection = Pid} = State) -> - ssh_connection_handler:renegotiate(Pid), - {noreply, State}; -handle_cast(renegotiate_data, #state{connection = Pid} = State) -> - ssh_connection_handler:renegotiate_data(Pid), - {noreply, State}; -handle_cast({adjust_window, ChannelId, Bytes}, - #state{connection = Pid, connection_state = - #connection{channel_cache = Cache}} = State) -> - case ssh_channel:cache_lookup(Cache, ChannelId) of - #channel{recv_window_size = WinSize, remote_id = Id} = Channel -> - ssh_channel:cache_update(Cache, Channel#channel{recv_window_size = - WinSize + Bytes}), - Msg = ssh_connection:channel_adjust_window_msg(Id, Bytes), - send_msg({connection_reply, Pid, Msg}); - undefined -> - ignore - end, - {noreply, State}; - -handle_cast({success, ChannelId}, #state{connection = Pid} = State) -> - Msg = ssh_connection:channel_success_msg(ChannelId), - send_msg({connection_reply, Pid, Msg}), - {noreply, State}; - -handle_cast({failure, ChannelId}, #state{connection = Pid} = State) -> - Msg = ssh_connection:channel_failure_msg(ChannelId), - send_msg({connection_reply, Pid, Msg}), - {noreply, State}. - -%%-------------------------------------------------------------------- -%% Function: handle_info(Info, State) -> {noreply, State} | -%% {noreply, State, Timeout} | -%% {stop, Reason, State} -%% Description: Handling all non call/cast messages -%%-------------------------------------------------------------------- -handle_info({start_connection, server, - [Address, Port, Socket, Options, SubSysSup]}, - #state{connection_state = CState} = State) -> - {ok, Connection} = ssh_transport:accept(Address, Port, Socket, Options), - Shell = proplists:get_value(shell, Options), - Exec = proplists:get_value(exec, Options), - CliSpec = proplists:get_value(ssh_cli, Options, {ssh_cli, [Shell]}), - ssh_connection_handler:send_event(Connection, socket_control), - erlang:send_after(60000, self(), rekey_data), - {noreply, State#state{connection = Connection, - connection_state = - CState#connection{address = Address, - port = Port, - cli_spec = CliSpec, - options = Options, - exec = Exec, - sub_system_supervisor = SubSysSup - }}}; - -handle_info({start_connection, client, - [Parent, Address, Port, SocketOpts, Options]}, - #state{client = Pid} = State) -> - case (catch ssh_transport:connect(Parent, Address, - Port, SocketOpts, Options)) of - {ok, Connection} -> - erlang:send_after(60000, self(), rekey_data), - erlang:send_after(3600000, self(), rekey), - {noreply, State#state{connection = Connection}}; - Reason -> - Pid ! {self(), not_connected, Reason}, - {stop, {shutdown, normal}, State} - end; -handle_info({check_cache, _ , _}, - #state{connection_state = - #connection{channel_cache = Cache}} = State) -> - {noreply, check_cache(State, Cache)}; -handle_info({ssh_cm, _Sender, Msg}, State0) -> - %% Backwards compatibility! - State = cm_message(Msg, State0), - {noreply, State}; - -%% Nop backwards compatibility -handle_info({same_user, _}, State) -> - {noreply, State}; - -handle_info(ssh_connected, #state{role = client, client = Pid} - = State) -> - Pid ! {self(), is_connected}, - {noreply, State#state{connected = true, opts = handle_password(State#state.opts)}}; - -handle_info(ssh_connected, #state{role = server} = State) -> - {noreply, State#state{connected = true}}; - -%%% Handle that ssh channels user process goes down -handle_info({'DOWN', _Ref, process, ChannelPid, _Reason}, State) -> - handle_down(handle_channel_down(ChannelPid, State)); - -%%% So that terminate will be run when supervisor is shutdown -handle_info({'EXIT', _Sup, Reason}, State) -> - {stop, Reason, State}; -handle_info(rekey, State) -> - renegotiate(self()), - erlang:send_after(3600000, self(), rekey), - {noreply, State}; -handle_info(rekey_data, State) -> - renegotiate_data(self()), - erlang:send_after(60000, self(), rekey_data), - {noreply, State}. -handle_password(Opts) -> - handle_rsa_password(handle_dsa_password(handle_normal_password(Opts))). -handle_normal_password(Opts) -> - case proplists:get_value(ssh_opts, Opts, false) of - false -> - Opts; - SshOpts -> - case proplists:get_value(password, SshOpts, false) of - false -> - Opts; - _Password -> - NewOpts = [{password, undefined}|lists:keydelete(password, 1, SshOpts)], - [{ssh_opts, NewOpts}|lists:keydelete(ssh_opts, 1, Opts)] - end - end. -handle_dsa_password(Opts) -> - case proplists:get_value(ssh_opts, Opts, false) of - false -> - Opts; - SshOpts -> - case proplists:get_value(dsa_pass_phrase, SshOpts, false) of - false -> - Opts; - _Password -> - NewOpts = [{dsa_pass_phrase, undefined}|lists:keydelete(dsa_pass_phrase, 1, SshOpts)], - [{ssh_opts, NewOpts}|lists:keydelete(ssh_opts, 1, Opts)] - end - end. -handle_rsa_password(Opts) -> - case proplists:get_value(ssh_opts, Opts, false) of - false -> - Opts; - SshOpts -> - case proplists:get_value(rsa_pass_phrase, SshOpts, false) of - false -> - Opts; - _Password -> - NewOpts = [{rsa_pass_phrase, undefined}|lists:keydelete(rsa_pass_phrase, 1, SshOpts)], - [{ssh_opts, NewOpts}|lists:keydelete(ssh_opts, 1, Opts)] - end - end. -%%-------------------------------------------------------------------- -%% Function: terminate(Reason, State) -> void() -%% Description: This function is called by a gen_server when it is about to -%% terminate. It should be the opposite of Module:init/1 and do any necessary -%% cleaning up. When it returns, the gen_server terminates with Reason. -%% The return value is ignored. -%%-------------------------------------------------------------------- -terminate(_Reason, #state{role = client, - connection_state = - #connection{connection_supervisor = Supervisor}}) -> - sshc_sup:stop_child(Supervisor); - -terminate(_Reason, #state{role = server, - connection_state = - #connection{sub_system_supervisor = SubSysSup}, - opts = Opts}) -> - Address = proplists:get_value(address, Opts), - Port = proplists:get_value(port, Opts), - SystemSup = ssh_system_sup:system_supervisor(Address, Port), - ssh_system_sup:stop_subsystem(SystemSup, SubSysSup). - -%%-------------------------------------------------------------------- -%% Func: code_change(OldVsn, State, Extra) -> {ok, NewState} -%% Description: Convert process state when code is changed -%%-------------------------------------------------------------------- -code_change(_OldVsn, State, _Extra) -> - {ok, State}. - -%%-------------------------------------------------------------------- -%%% Internal functions -%%-------------------------------------------------------------------- -get_idle_time(SshOptions) -> - case proplists:get_value(idle_time, SshOptions) of - infinity -> - infinity; - _IdleTime -> %% We dont want to set the timeout on first connect - undefined - end. -check_cache(State, Cache) -> - %% Check the number of entries in Cache - case proplists:get_value(size, ets:info(Cache)) of - 0 -> - Opts = proplists:get_value(ssh_opts, State#state.opts), - case proplists:get_value(idle_time, Opts) of - infinity -> - State; - undefined -> - State; - Time -> - case State#state.idle_timer_ref of - undefined -> - TimerRef = erlang:send_after(Time, self(), {'EXIT', [], "Timeout"}), - State#state{idle_timer_ref=TimerRef}; - _ -> - State - end - end; - _ -> - State - end. -remove_timer_ref(State) -> - case State#state.idle_timer_ref of - infinity -> %% If the timer is not activated - State; - undefined -> %% If we already has cancelled the timer - State; - TimerRef -> %% Timer is active - erlang:cancel_timer(TimerRef), - State#state{idle_timer_ref = undefined} - end. -channel_data(Id, Type, Data, Connection0, ConnectionPid, From, State) -> - case ssh_connection:channel_data(Id, Type, Data, Connection0, - ConnectionPid, From) of - {{replies, Replies}, Connection} -> - lists:foreach(fun send_msg/1, Replies), - {noreply, State#state{connection_state = Connection}}; - {noreply, Connection} -> - {noreply, State#state{connection_state = Connection}} - end. - -call(Pid, Msg) -> - call(Pid, Msg, infinity). -call(Pid, Msg, Timeout) -> - try gen_server:call(Pid, Msg, Timeout) of - Result -> - Result - catch - exit:{timeout, _} -> - {error, timeout}; - exit:{normal, _} -> - {error, channel_closed}; - exit:{{shutdown, _}, _} -> - {error, channel_closed}; - exit:{noproc,_} -> - {error, channel_closed} - end. - -cast(Pid, Msg) -> - gen_server:cast(Pid, Msg). - -decode_ssh_msg(BinMsg) when is_binary(BinMsg)-> - ssh_bits:decode(BinMsg); -decode_ssh_msg(Msg) -> - Msg. - - -send_msg(Msg) -> - catch do_send_msg(Msg). -do_send_msg({channel_data, Pid, Data}) -> - Pid ! {ssh_cm, self(), Data}; -do_send_msg({channel_requst_reply, From, Data}) -> - gen_server:reply(From, Data); -do_send_msg({connection_reply, Pid, Data}) -> - Msg = ssh_bits:encode(Data), - ssh_connection_handler:send(Pid, Msg); -do_send_msg({flow_control, Cache, Channel, From, Msg}) -> - ssh_channel:cache_update(Cache, Channel#channel{flow_control = undefined}), - gen_server:reply(From, Msg); -do_send_msg({flow_control, From, Msg}) -> - gen_server:reply(From, Msg). - -handle_request(ChannelPid, ChannelId, Type, Data, WantReply, From, - #state{connection = Pid, - connection_state = - #connection{channel_cache = Cache}} = State0) -> - case ssh_channel:cache_lookup(Cache, ChannelId) of - #channel{remote_id = Id} = Channel -> - update_sys(Cache, Channel, Type, ChannelPid), - Msg = ssh_connection:channel_request_msg(Id, Type, - WantReply, Data), - Replies = [{connection_reply, Pid, Msg}], - State = add_request(WantReply, ChannelId, From, State0), - {{replies, Replies}, State}; - undefined -> - {{replies, []}, State0} - end. - -handle_request(ChannelId, Type, Data, WantReply, From, - #state{connection = Pid, - connection_state = - #connection{channel_cache = Cache}} = State0) -> - case ssh_channel:cache_lookup(Cache, ChannelId) of - #channel{remote_id = Id} -> - Msg = ssh_connection:channel_request_msg(Id, Type, - WantReply, Data), - Replies = [{connection_reply, Pid, Msg}], - State = add_request(WantReply, ChannelId, From, State0), - {{replies, Replies}, State}; - undefined -> - {{replies, []}, State0} - end. - -handle_down({{replies, Replies}, State}) -> - lists:foreach(fun send_msg/1, Replies), - {noreply, State}. - -handle_channel_down(ChannelPid, #state{connection_state = - #connection{channel_cache = Cache}} = - State) -> - ssh_channel:cache_foldl( - fun(Channel, Acc) when Channel#channel.user == ChannelPid -> - ssh_channel:cache_delete(Cache, - Channel#channel.local_id), - Acc; - (_,Acc) -> - Acc - end, [], Cache), - {{replies, []}, check_cache(State, Cache)}. - -update_sys(Cache, Channel, Type, ChannelPid) -> - ssh_channel:cache_update(Cache, - Channel#channel{sys = Type, user = ChannelPid}). - -add_request(false, _ChannelId, _From, State) -> - State; -add_request(true, ChannelId, From, #state{connection_state = - #connection{requests = Requests0} = - Connection} = State) -> - Requests = [{ChannelId, From} | Requests0], - State#state{connection_state = Connection#connection{requests = Requests}}. - -new_channel_id(#state{connection_state = #connection{channel_id_seed = Id} = - Connection} - = State) -> - {Id, State#state{connection_state = - Connection#connection{channel_id_seed = Id + 1}}}. - -handle_global_request({global_request, ChannelPid, - "tcpip-forward" = Type, WantReply, - <<?UINT32(IPLen), - IP:IPLen/binary, ?UINT32(Port)>> = Data}, - #state{connection = ConnectionPid, - connection_state = - #connection{channel_cache = Cache} - = Connection0} = State) -> - ssh_channel:cache_update(Cache, #channel{user = ChannelPid, - type = "forwarded-tcpip", - sys = none}), - Connection = ssh_connection:bind(IP, Port, ChannelPid, Connection0), - Msg = ssh_connection:global_request_msg(Type, WantReply, Data), - send_msg({connection_reply, ConnectionPid, Msg}), - State#state{connection_state = Connection}; - -handle_global_request({global_request, _Pid, "cancel-tcpip-forward" = Type, - WantReply, <<?UINT32(IPLen), - IP:IPLen/binary, ?UINT32(Port)>> = Data}, - #state{connection = Pid, - connection_state = Connection0} = State) -> - Connection = ssh_connection:unbind(IP, Port, Connection0), - Msg = ssh_connection:global_request_msg(Type, WantReply, Data), - send_msg({connection_reply, Pid, Msg}), - State#state{connection_state = Connection}; - -handle_global_request({global_request, _Pid, "cancel-tcpip-forward" = Type, - WantReply, Data}, #state{connection = Pid} = State) -> - Msg = ssh_connection:global_request_msg(Type, WantReply, Data), - send_msg({connection_reply, Pid, Msg}), - State. - -cm_message(Msg, State) -> - {noreply, NewState} = handle_cast(Msg, State), - NewState. - -disconnect_fun(Reason, Opts) -> - case proplists:get_value(disconnectfun, Opts) of - undefined -> - ok; - Fun -> - catch Fun(Reason) - end. - -ssh_channel_info_handler(Options, Channel, From) -> - Info = ssh_channel_info(Options, Channel, []), - send_msg({channel_requst_reply, From, Info}). - -ssh_channel_info([], _, Acc) -> - Acc; - -ssh_channel_info([recv_window | Rest], #channel{recv_window_size = WinSize, - recv_packet_size = Packsize - } = Channel, Acc) -> - ssh_channel_info(Rest, Channel, [{recv_window, {{win_size, WinSize}, - {packet_size, Packsize}}} | Acc]); -ssh_channel_info([send_window | Rest], #channel{send_window_size = WinSize, - send_packet_size = Packsize - } = Channel, Acc) -> - ssh_channel_info(Rest, Channel, [{send_window, {{win_size, WinSize}, - {packet_size, Packsize}}} | Acc]); -ssh_channel_info([ _ | Rest], Channel, Acc) -> - ssh_channel_info(Rest, Channel, Acc). - - - diff --git a/lib/ssh/src/ssh_connection_sup.erl b/lib/ssh/src/ssh_connection_sup.erl index b620056310..c5abc8f23b 100644 --- a/lib/ssh/src/ssh_connection_sup.erl +++ b/lib/ssh/src/ssh_connection_sup.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2012. All Rights Reserved. +%% Copyright Ericsson AB 2008-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -25,8 +25,9 @@ -behaviour(supervisor). --export([start_link/1, start_handler_child/2, start_manager_child/2, - connection_manager/1]). +%% API +-export([start_link/1]). +-export([start_child/2]). %% Supervisor callback -export([init/1]). @@ -37,83 +38,23 @@ start_link(Args) -> supervisor:start_link(?MODULE, [Args]). -%% Will be called from the manager child process -start_handler_child(Sup, Args) -> - [Spec] = child_specs(handler, Args), - supervisor:start_child(Sup, Spec). - -%% Will be called from the acceptor process -start_manager_child(Sup, Args) -> - [Spec] = child_specs(manager, Args), - supervisor:start_child(Sup, Spec). - -connection_manager(SupPid) -> - try supervisor:which_children(SupPid) of - Children -> - {ok, ssh_connection_manager(Children)} - catch exit:{noproc,_} -> - {ok, undefined} - end. +start_child(Sup, Args) -> + supervisor:start_child(Sup, Args). %%%========================================================================= %%% Supervisor callback %%%========================================================================= -init([Args]) -> - RestartStrategy = one_for_all, +init(_) -> + RestartStrategy = simple_one_for_one, MaxR = 0, MaxT = 3600, - Children = child_specs(Args), - {ok, {{RestartStrategy, MaxR, MaxT}, Children}}. - -%%%========================================================================= -%%% Internal functions -%%%========================================================================= -child_specs(Opts) -> - case proplists:get_value(role, Opts) of - client -> - child_specs(manager, [client | Opts]); - server -> - %% Children started by acceptor process - [] - end. - -% The manager process starts the handler process -child_specs(manager, Opts) -> - [manager_spec(Opts)]; -child_specs(handler, Opts) -> - [handler_spec(Opts)]. - -manager_spec([server = Role, Socket, Opts]) -> - Name = make_ref(), - StartFunc = {ssh_connection_manager, start_link, [[Role, Socket, Opts]]}, - Restart = temporary, - Shutdown = 3600, - Modules = [ssh_connection_manager], - Type = worker, - {Name, StartFunc, Restart, Shutdown, Type, Modules}; - -manager_spec([client = Role | Opts]) -> - Name = make_ref(), - StartFunc = {ssh_connection_manager, start_link, [[Role, Opts]]}, - Restart = temporary, - Shutdown = 3600, - Modules = [ssh_connection_manager], - Type = worker, - {Name, StartFunc, Restart, Shutdown, Type, Modules}. -handler_spec([Role, Socket, Opts]) -> - Name = make_ref(), - StartFunc = {ssh_connection_handler, - start_link, [Role, self(), Socket, Opts]}, - Restart = temporary, - Shutdown = 3600, + Name = undefined, % As simple_one_for_one is used. + StartFunc = {ssh_connection_handler, start_link, []}, + Restart = temporary, % E.g. should not be restarted + Shutdown = 4000, Modules = [ssh_connection_handler], Type = worker, - {Name, StartFunc, Restart, Shutdown, Type, Modules}. -ssh_connection_manager([]) -> - undefined; -ssh_connection_manager([{_, Child, _, [ssh_connection_manager]} | _]) -> - Child; -ssh_connection_manager([_ | Rest]) -> - ssh_connection_manager(Rest). + ChildSpec = {Name, StartFunc, Restart, Shutdown, Type, Modules}, + {ok, {{RestartStrategy, MaxR, MaxT}, [ChildSpec]}}. diff --git a/lib/ssh/src/ssh_file.erl b/lib/ssh/src/ssh_file.erl index 21cdedc156..5692138a8a 100644 --- a/lib/ssh/src/ssh_file.erl +++ b/lib/ssh/src/ssh_file.erl @@ -65,7 +65,7 @@ is_auth_key(Key, User,Opts) -> %% Used by client is_host_key(Key, PeerName, Algorithm, Opts) -> - case lookup_host_key(PeerName, Algorithm, Opts) of + case lookup_host_key(Key, PeerName, Algorithm, Opts) of {ok, Key} -> true; _ -> @@ -121,9 +121,9 @@ decode_ssh_file(Pem, Password) -> %% return {ok, Key(s)} or {error, not_found} %% -lookup_host_key(Host, Alg, Opts) -> +lookup_host_key(KeyToMatch, Host, Alg, Opts) -> Host1 = replace_localhost(Host), - do_lookup_host_key(Host1, Alg, Opts). + do_lookup_host_key(KeyToMatch, Host1, Alg, Opts). add_host_key(Host, Key, Opts) -> @@ -204,10 +204,10 @@ replace_localhost("localhost") -> replace_localhost(Host) -> Host. -do_lookup_host_key(Host, Alg, Opts) -> +do_lookup_host_key(KeyToMatch, Host, Alg, Opts) -> case file:open(file_name(user, "known_hosts", Opts), [read, binary]) of {ok, Fd} -> - Res = lookup_host_key_fd(Fd, Host, Alg), + Res = lookup_host_key_fd(Fd, KeyToMatch, Host, Alg), file:close(Fd), {ok, Res}; {error, enoent} -> {error, not_found}; @@ -228,16 +228,16 @@ identity_pass_phrase('ssh-rsa') -> identity_pass_phrase("ssh-rsa") -> rsa_pass_phrase. -lookup_host_key_fd(Fd, Host, KeyType) -> +lookup_host_key_fd(Fd, KeyToMatch, Host, KeyType) -> case io:get_line(Fd, '') of eof -> {error, not_found}; Line -> case ssh_decode_line(Line, known_hosts) of [{Key, Attributes}] -> - handle_host(Fd, Host, proplists:get_value(hostnames, Attributes), Key, KeyType); + handle_host(Fd, KeyToMatch, Host, proplists:get_value(hostnames, Attributes), Key, KeyType); [] -> - lookup_host_key_fd(Fd, Host, KeyType) + lookup_host_key_fd(Fd, KeyToMatch, Host, KeyType) end end. @@ -248,13 +248,13 @@ ssh_decode_line(Line, Type) -> [] end. -handle_host(Fd, Host, HostList, Key, KeyType) -> +handle_host(Fd, KeyToMatch, Host, HostList, Key, KeyType) -> Host1 = host_name(Host), - case lists:member(Host1, HostList) and key_match(Key, KeyType) of - true -> + case lists:member(Host1, HostList) andalso key_match(Key, KeyType) of + true when KeyToMatch == Key -> Key; - false -> - lookup_host_key_fd(Fd, Host, KeyType) + _ -> + lookup_host_key_fd(Fd, KeyToMatch, Host, KeyType) end. host_name(Atom) when is_atom(Atom) -> diff --git a/lib/ssh/src/ssh_io.erl b/lib/ssh/src/ssh_io.erl index 01fc713569..832b144db9 100644 --- a/lib/ssh/src/ssh_io.erl +++ b/lib/ssh/src/ssh_io.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2012. All Rights Reserved. +%% Copyright Ericsson AB 2005-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -24,7 +24,6 @@ -module(ssh_io). -export([yes_no/2, read_password/2, read_line/2, format/2]). --import(lists, [reverse/1]). -include("ssh.hrl"). read_line(Prompt, Ssh) -> @@ -81,7 +80,7 @@ format(Fmt, Args) -> trim(Line) when is_list(Line) -> - reverse(trim1(reverse(trim1(Line)))); + lists:reverse(trim1(lists:reverse(trim1(Line)))); trim(Other) -> Other. trim1([$\s|Cs]) -> trim(Cs); diff --git a/lib/ssh/src/ssh_message.erl b/lib/ssh/src/ssh_message.erl new file mode 100644 index 0000000000..fa4397b2f5 --- /dev/null +++ b/lib/ssh/src/ssh_message.erl @@ -0,0 +1,529 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2013-2013. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +%% + +%%------------------------------------------------------------------ +-module(ssh_message). + +-include_lib("public_key/include/public_key.hrl"). + +-include("ssh.hrl"). +-include("ssh_connect.hrl"). +-include("ssh_auth.hrl"). +-include("ssh_transport.hrl"). + +-export([encode/1, decode/1, encode_host_key/1, decode_keyboard_interactive_prompts/2]). + +encode(#ssh_msg_global_request{ + name = Name, + want_reply = Bool, + data = Data}) -> + ssh_bits:encode([?SSH_MSG_GLOBAL_REQUEST, + Name, Bool, Data], [byte, string, boolean, '...']); +encode(#ssh_msg_request_success{data = Data}) -> + <<?BYTE(?SSH_MSG_REQUEST_SUCCESS), Data/binary>>; +encode(#ssh_msg_request_failure{}) -> + <<?BYTE(?SSH_MSG_REQUEST_FAILURE)>>; +encode(#ssh_msg_channel_open{ + channel_type = Type, + sender_channel = Sender, + initial_window_size = Window, + maximum_packet_size = Max, + data = Data + }) -> + ssh_bits:encode([?SSH_MSG_CHANNEL_OPEN, + Type, Sender, Window, Max, Data], [byte, string, uint32, + uint32, uint32, '...']); +encode(#ssh_msg_channel_open_confirmation{ + recipient_channel = Recipient, + sender_channel = Sender, + initial_window_size = InitWindowSize, + maximum_packet_size = MaxPacketSize, + data = Data + }) -> + ssh_bits:encode([?SSH_MSG_CHANNEL_OPEN_CONFIRMATION, Recipient, + Sender, InitWindowSize, MaxPacketSize, Data], + [byte, uint32, uint32, uint32, uint32, '...']); +encode(#ssh_msg_channel_open_failure{ + recipient_channel = Recipient, + reason = Reason, + description = Desc, + lang = Lang + }) -> + ssh_bits:encode([?SSH_MSG_CHANNEL_OPEN_FAILURE, Recipient, + Reason, Desc, Lang], [byte, uint32, uint32, string, string]); +encode(#ssh_msg_channel_window_adjust{ + recipient_channel = Recipient, + bytes_to_add = Bytes + }) -> + ssh_bits:encode([?SSH_MSG_CHANNEL_WINDOW_ADJUST, Recipient, Bytes], + [byte, uint32, uint32]); +encode(#ssh_msg_channel_data{ + recipient_channel = Recipient, + data = Data + }) -> + ssh_bits:encode([?SSH_MSG_CHANNEL_DATA, Recipient, Data], [byte, uint32, binary]); + +encode(#ssh_msg_channel_extended_data{ + recipient_channel = Recipient, + data_type_code = DataType, + data = Data + }) -> + ssh_bits:encode([?SSH_MSG_CHANNEL_EXTENDED_DATA, Recipient, + DataType, Data], [byte, uint32, uint32, binary]); + +encode(#ssh_msg_channel_eof{recipient_channel = Recipient + }) -> + <<?BYTE(?SSH_MSG_CHANNEL_EOF), ?UINT32(Recipient)>>; +encode(#ssh_msg_channel_close{ + recipient_channel = Recipient + }) -> + <<?BYTE(?SSH_MSG_CHANNEL_CLOSE), ?UINT32(Recipient)>>; +encode(#ssh_msg_channel_request{ + recipient_channel = Recipient, + request_type = Type, + want_reply = Bool, + data = Data + }) -> + ssh_bits:encode([?SSH_MSG_CHANNEL_REQUEST, Recipient, Type, Bool, Data], + [byte, uint32, string, boolean, '...']); +encode(#ssh_msg_channel_success{ + recipient_channel = Recipient + }) -> + <<?BYTE(?SSH_MSG_CHANNEL_SUCCESS), ?UINT32(Recipient)>>; +encode(#ssh_msg_channel_failure{ + recipient_channel = Recipient + }) -> + <<?BYTE(?SSH_MSG_CHANNEL_FAILURE), ?UINT32(Recipient)>>; + +encode(#ssh_msg_userauth_request{ + user = User, + service = Service, + method = Method, + data = Data + }) -> + ssh_bits:encode([?SSH_MSG_USERAUTH_REQUEST, User, Service, Method, Data], + [byte, string_utf8, string, string, '...']); +encode(#ssh_msg_userauth_failure{ + authentications = Auths, + partial_success = Bool + }) -> + ssh_bits:encode([?SSH_MSG_USERAUTH_FAILURE, Auths, Bool], + [byte, string, boolean]); +encode(#ssh_msg_userauth_success{}) -> + <<?BYTE(?SSH_MSG_USERAUTH_SUCCESS)>>; + +encode(#ssh_msg_userauth_banner{ + message = Banner, + language = Lang + }) -> + ssh_bits:encode([?SSH_MSG_USERAUTH_BANNER, Banner, Lang], + [byte, string_utf8, string]); + +encode(#ssh_msg_userauth_pk_ok{ + algorithm_name = Alg, + key_blob = KeyBlob + }) -> + ssh_bits:encode([?SSH_MSG_USERAUTH_PK_OK, Alg, KeyBlob], + [byte, string, binary]); + +encode(#ssh_msg_userauth_passwd_changereq{prompt = Prompt, + languge = Lang + })-> + ssh_bits:encode([?SSH_MSG_USERAUTH_PASSWD_CHANGEREQ, Prompt, Lang], + [byte, string, string]); + +encode(#ssh_msg_userauth_info_request{ + name = Name, + instruction = Inst, + language_tag = Lang, + num_prompts = NumPromtps, + data = Data}) -> + ssh_bits:encode([?SSH_MSG_USERAUTH_INFO_REQUEST, Name, Inst, Lang, NumPromtps, Data], + [byte, string, string, string, uint32, '...']); + +encode(#ssh_msg_userauth_info_response{ + num_responses = Num, + data = Data}) -> + ssh_bits:encode([?SSH_MSG_USERAUTH_INFO_RESPONSE, Num, Data], + [byte, uint32, '...']); +encode(#ssh_msg_disconnect{ + code = Code, + description = Desc, + language = Lang + }) -> + ssh_bits:encode([?SSH_MSG_DISCONNECT, Code, Desc, Lang], + [byte, uint32, string, string]); + +encode(#ssh_msg_service_request{ + name = Service + }) -> + ssh_bits:encode([?SSH_MSG_SERVICE_REQUEST, Service], [byte, string]); + +encode(#ssh_msg_service_accept{ + name = Service + }) -> + ssh_bits:encode([?SSH_MSG_SERVICE_ACCEPT, Service], [byte, string]); + +encode(#ssh_msg_newkeys{}) -> + <<?BYTE(?SSH_MSG_NEWKEYS)>>; + +encode(#ssh_msg_kexinit{ + cookie = Cookie, + kex_algorithms = KeyAlgs, + server_host_key_algorithms = HostKeyAlgs, + encryption_algorithms_client_to_server = EncAlgC2S, + encryption_algorithms_server_to_client = EncAlgS2C, + mac_algorithms_client_to_server = MacAlgC2S, + mac_algorithms_server_to_client = MacAlgS2C, + compression_algorithms_client_to_server = CompAlgS2C, + compression_algorithms_server_to_client = CompAlgC2S, + languages_client_to_server = LangC2S, + languages_server_to_client = LangS2C, + first_kex_packet_follows = Bool, + reserved = Reserved + }) -> + ssh_bits:encode([?SSH_MSG_KEXINIT, Cookie, KeyAlgs, HostKeyAlgs, EncAlgC2S, EncAlgS2C, + MacAlgC2S, MacAlgS2C, CompAlgS2C, CompAlgC2S, LangC2S, LangS2C, Bool, + Reserved], + [byte, cookie, + name_list, name_list, + name_list, name_list, + name_list, name_list, + name_list, name_list, + name_list, name_list, + boolean, uint32]); + +encode(#ssh_msg_kexdh_init{e = E}) -> + ssh_bits:encode([?SSH_MSG_KEXDH_INIT, E], [byte, mpint]); + +encode(#ssh_msg_kexdh_reply{ + public_host_key = Key, + f = F, + h_sig = Signature + }) -> + EncKey = encode_host_key(Key), + EncSign = encode_sign(Key, Signature), + ssh_bits:encode([?SSH_MSG_KEXDH_REPLY, EncKey, F, EncSign], [byte, binary, mpint, binary]); + +encode(#ssh_msg_kex_dh_gex_request{ + min = Min, + n = N, + max = Max + }) -> + ssh_bits:encode([?SSH_MSG_KEX_DH_GEX_REQUEST, Min, N, Max], + [byte, uint32, uint32, uint32, uint32]); +encode(#ssh_msg_kex_dh_gex_request_old{n = N}) -> + ssh_bits:encode([?SSH_MSG_KEX_DH_GEX_REQUEST_OLD, N], + [byte, uint32]); + +encode(#ssh_msg_kex_dh_gex_group{p = Prime, g = Generator}) -> + ssh_bits:encode([?SSH_MSG_KEX_DH_GEX_GROUP, Prime, Generator], + [byte, mpint, mpint]); + +encode(#ssh_msg_kex_dh_gex_init{e = Public}) -> + ssh_bits:encode([?SSH_MSG_KEX_DH_GEX_INIT, Public], [byte, mpint]); + +encode(#ssh_msg_kex_dh_gex_reply{ + %% Will be private key encode_host_key extracts only the public part! + public_host_key = Key, + f = F, + h_sig = Signature + }) -> + EncKey = encode_host_key(Key), + EncSign = encode_sign(Key, Signature), + ssh_bits:encode([?SSH_MSG_KEXDH_REPLY, EncKey, F, EncSign], [byte, binary, mpint, binary]); + +encode(#ssh_msg_ignore{data = Data}) -> + ssh_bits:encode([?SSH_MSG_IGNORE, Data], [byte, string]); + +encode(#ssh_msg_unimplemented{sequence = Seq}) -> + ssh_bits:encode([?SSH_MSG_IGNORE, Seq], [byte, uint32]); + +encode(#ssh_msg_debug{always_display = Bool, + message = Msg, + language = Lang}) -> + ssh_bits:encode([?SSH_MSG_DEBUG, Bool, Msg, Lang], [byte, boolean, string, string]). + + +%% Connection Messages +decode(<<?BYTE(?SSH_MSG_GLOBAL_REQUEST), ?UINT32(Len), Name:Len/binary, + ?BYTE(Bool), Data/binary>>) -> + #ssh_msg_global_request{ + name = Name, + want_reply = erl_boolean(Bool), + data = Data + }; +decode(<<?BYTE(?SSH_MSG_REQUEST_SUCCESS), Data/binary>>) -> + #ssh_msg_request_success{data = Data}; +decode(<<?BYTE(?SSH_MSG_REQUEST_FAILURE)>>) -> + #ssh_msg_request_failure{}; +decode(<<?BYTE(?SSH_MSG_CHANNEL_OPEN), + ?UINT32(Len), Type:Len/binary, + ?UINT32(Sender), ?UINT32(Window), ?UINT32(Max), + Data/binary>>) -> + #ssh_msg_channel_open{ + channel_type = binary_to_list(Type), + sender_channel = Sender, + initial_window_size = Window, + maximum_packet_size = Max, + data = Data + }; +decode(<<?BYTE(?SSH_MSG_CHANNEL_OPEN_CONFIRMATION), ?UINT32(Recipient), ?UINT32(Sender), + ?UINT32(InitWindowSize), ?UINT32(MaxPacketSize), + Data/binary>>) -> + #ssh_msg_channel_open_confirmation{ + recipient_channel = Recipient, + sender_channel = Sender, + initial_window_size = InitWindowSize, + maximum_packet_size = MaxPacketSize, + data = Data + }; +decode(<<?BYTE(?SSH_MSG_CHANNEL_OPEN_FAILURE), ?UINT32(Recipient), ?UINT32(Reason), + ?UINT32(Len0), Desc:Len0/binary, ?UINT32(Len1), Lang:Len1/binary >>) -> + #ssh_msg_channel_open_failure{ + recipient_channel = Recipient, + reason = Reason, + description = unicode:characters_to_list(Desc), + lang = Lang + }; +decode(<<?BYTE(?SSH_MSG_CHANNEL_WINDOW_ADJUST), ?UINT32(Recipient), ?UINT32(Bytes)>>) -> + #ssh_msg_channel_window_adjust{ + recipient_channel = Recipient, + bytes_to_add = Bytes + }; + +decode(<<?BYTE(?SSH_MSG_CHANNEL_DATA), ?UINT32(Recipient), ?UINT32(Len), Data:Len/binary>>) -> + #ssh_msg_channel_data{ + recipient_channel = Recipient, + data = Data + }; +decode(<<?BYTE(?SSH_MSG_CHANNEL_EXTENDED_DATA), ?UINT32(Recipient), + ?UINT32(DataType), ?UINT32(Len), Data:Len/binary>>) -> + #ssh_msg_channel_extended_data{ + recipient_channel = Recipient, + data_type_code = DataType, + data = Data + }; +decode(<<?BYTE(?SSH_MSG_CHANNEL_EOF), ?UINT32(Recipient)>>) -> + #ssh_msg_channel_eof{ + recipient_channel = Recipient + }; +decode(<<?BYTE(?SSH_MSG_CHANNEL_CLOSE), ?UINT32(Recipient)>>) -> + #ssh_msg_channel_close{ + recipient_channel = Recipient + }; +decode(<<?BYTE(?SSH_MSG_CHANNEL_REQUEST), ?UINT32(Recipient), + ?UINT32(Len), RequestType:Len/binary, + ?BYTE(Bool), Data/binary>>) -> + #ssh_msg_channel_request{ + recipient_channel = Recipient, + request_type = unicode:characters_to_list(RequestType), + want_reply = erl_boolean(Bool), + data = Data + }; +decode(<<?BYTE(?SSH_MSG_CHANNEL_SUCCESS), ?UINT32(Recipient)>>) -> + #ssh_msg_channel_success{ + recipient_channel = Recipient + }; +decode(<<?BYTE(?SSH_MSG_CHANNEL_FAILURE), ?UINT32(Recipient)>>) -> + #ssh_msg_channel_failure{ + recipient_channel = Recipient + }; + +%%% Auth Messages +decode(<<?BYTE(?SSH_MSG_USERAUTH_REQUEST), + ?UINT32(Len0), User:Len0/binary, + ?UINT32(Len1), Service:Len1/binary, + ?UINT32(Len2), Method:Len2/binary, + Data/binary>>) -> + #ssh_msg_userauth_request{ + user = unicode:characters_to_list(User), + service = unicode:characters_to_list(Service), + method = unicode:characters_to_list(Method), + data = Data + }; + +decode(<<?BYTE(?SSH_MSG_USERAUTH_FAILURE), + ?UINT32(Len0), Auths:Len0/binary, + ?BYTE(Bool)>>) -> + #ssh_msg_userauth_failure { + authentications = unicode:characters_to_list(Auths), + partial_success = erl_boolean(Bool) + }; + +decode(<<?BYTE(?SSH_MSG_USERAUTH_SUCCESS)>>) -> + #ssh_msg_userauth_success{}; + +decode(<<?BYTE(?SSH_MSG_USERAUTH_BANNER), + ?UINT32(Len0), Banner:Len0/binary, + ?UINT32(Len1), Lang:Len1/binary>>) -> + #ssh_msg_userauth_banner{ + message = Banner, + language = Lang + }; + +decode(<<?BYTE(?SSH_MSG_USERAUTH_PK_OK), ?UINT32(Len), Alg:Len/binary, KeyBlob/binary>>) -> + #ssh_msg_userauth_pk_ok{ + algorithm_name = Alg, + key_blob = KeyBlob + }; + +decode(<<?BYTE(?SSH_MSG_USERAUTH_PASSWD_CHANGEREQ), ?UINT32(Len0), Prompt:Len0/binary, + ?UINT32(Len1), Lang:Len1/binary>>) -> + #ssh_msg_userauth_passwd_changereq{ + prompt = Prompt, + languge = Lang + }; +decode(<<?BYTE(?SSH_MSG_USERAUTH_INFO_REQUEST), ?UINT32(Len0), Name:Len0/binary, + ?UINT32(Len1), Inst:Len1/binary, ?UINT32(Len2), Lang:Len2/binary, + ?UINT32(NumPromtps), Data/binary>>) -> + #ssh_msg_userauth_info_request{ + name = Name, + instruction = Inst, + language_tag = Lang, + num_prompts = NumPromtps, + data = Data}; + +decode(<<?BYTE(?SSH_MSG_USERAUTH_INFO_RESPONSE), ?UINT32(Num), Data/binary>>) -> + #ssh_msg_userauth_info_response{ + num_responses = Num, + data = Data}; + +%%% Keyexchange messages +decode(<<?BYTE(?SSH_MSG_KEXINIT), Cookie:128, Data/binary>>) -> + decode_kex_init(Data, [Cookie, ssh_msg_kexinit], 10); + +decode(<<?BYTE(?SSH_MSG_KEXDH_INIT), ?UINT32(Len), E:Len/binary>>) -> + #ssh_msg_kexdh_init{e = erlint(Len, E) + }; +decode(<<?BYTE(?SSH_MSG_KEX_DH_GEX_REQUEST), ?UINT32(Min), ?UINT32(N), ?UINT32(Max)>>) -> + #ssh_msg_kex_dh_gex_request{ + min = Min, + n = N, + max = Max + }; +decode(<<?BYTE(?SSH_MSG_KEX_DH_GEX_REQUEST_OLD), ?UINT32(N)>>) -> + #ssh_msg_kex_dh_gex_request_old{ + n = N + }; +decode(<<?BYTE(?SSH_MSG_KEX_DH_GEX_GROUP), ?UINT32(Len0), Prime:Len0/big-signed-integer, + ?UINT32(Len1), Generator:Len1/big-signed-integer>>) -> + #ssh_msg_kex_dh_gex_group{ + p = Prime, + g = Generator + }; +decode(<<?BYTE(?SSH_MSG_KEXDH_REPLY), ?UINT32(Len0), Key:Len0/binary, + ?UINT32(Len1), F:Len1/binary, + ?UINT32(Len2), Hashsign:Len2/binary>>) -> + #ssh_msg_kexdh_reply{ + public_host_key = decode_host_key(Key), + f = erlint(Len1, F), + h_sig = decode_sign(Hashsign) + }; + +decode(<<?SSH_MSG_SERVICE_REQUEST, ?UINT32(Len0), Service:Len0/binary>>) -> + #ssh_msg_service_request{ + name = unicode:characters_to_list(Service) + }; + +decode(<<?SSH_MSG_SERVICE_ACCEPT, ?UINT32(Len0), Service:Len0/binary>>) -> + #ssh_msg_service_accept{ + name = unicode:characters_to_list(Service) + }; + +decode(<<?BYTE(?SSH_MSG_DISCONNECT), ?UINT32(Code), + ?UINT32(Len0), Desc:Len0/binary, ?UINT32(Len1), Lang:Len1/binary>>) -> + #ssh_msg_disconnect{ + code = Code, + description = unicode:characters_to_list(Desc), + language = Lang + }; + +decode(<<?SSH_MSG_NEWKEYS>>) -> + #ssh_msg_newkeys{}; + +decode(<<?BYTE(?SSH_MSG_IGNORE), Data/binary>>) -> + #ssh_msg_ignore{data = Data}; + +decode(<<?BYTE(?SSH_MSG_UNIMPLEMENTED), ?UINT32(Seq)>>) -> + #ssh_msg_unimplemented{sequence = Seq}; + +decode(<<?BYTE(?SSH_MSG_DEBUG), ?BYTE(Bool), ?UINT32(Len0), Msg:Len0/binary, + ?UINT32(Len1), Lang:Len1/binary>>) -> + #ssh_msg_debug{always_display = erl_boolean(Bool), + message = Msg, + language = Lang}. + +decode_keyboard_interactive_prompts(<<>>, Acc) -> + lists:reverse(Acc); +decode_keyboard_interactive_prompts(<<?UINT32(Len), Prompt:Len/binary, ?BYTE(Bool), Bin/binary>>, + Acc) -> + decode_keyboard_interactive_prompts(Bin, [{Prompt, erl_boolean(Bool)} | Acc]). + +erl_boolean(0) -> + false; +erl_boolean(1) -> + true. + +decode_kex_init(<<?BYTE(Bool), ?UINT32(X)>>, Acc, 0) -> + list_to_tuple(lists:reverse([X, erl_boolean(Bool) | Acc])); +decode_kex_init(<<?UINT32(Len), Data:Len/binary, Rest/binary>>, Acc, N) -> + Names = string:tokens(unicode:characters_to_list(Data), ","), + decode_kex_init(Rest, [Names | Acc], N -1). + +erlint(MPIntSize, MPIntValue) -> + Bits = MPIntSize * 8, + <<Integer:Bits/integer>> = MPIntValue, + Integer. + +decode_sign(<<?UINT32(Len), _Alg:Len/binary, ?UINT32(_), Signature/binary>>) -> + Signature. + +decode_host_key(<<?UINT32(Len), Alg:Len/binary, Rest/binary>>) -> + decode_host_key(Alg, Rest). + +decode_host_key(<<"ssh-rsa">>, <<?UINT32(Len0), E:Len0/binary, + ?UINT32(Len1), N:Len1/binary>>) -> + #'RSAPublicKey'{publicExponent = erlint(Len0, E), + modulus = erlint(Len1, N)}; + +decode_host_key(<<"ssh-dss">>, + <<?UINT32(Len0), P:Len0/binary, + ?UINT32(Len1), Q:Len1/binary, + ?UINT32(Len2), G:Len2/binary, + ?UINT32(Len3), Y:Len3/binary>>) -> + {erlint(Len3, Y), #'Dss-Parms'{p = erlint(Len0, P), q = erlint(Len1, Q), + g = erlint(Len2, G)}}. + +encode_host_key(#'RSAPublicKey'{modulus = N, publicExponent = E}) -> + ssh_bits:encode(["ssh-rsa", E, N], [string, mpint, mpint]); +encode_host_key({Y, #'Dss-Parms'{p = P, q = Q, g = G}}) -> + ssh_bits:encode(["ssh-dss", P, Q, G, Y], + [string, mpint, mpint, mpint, mpint]); +encode_host_key(#'RSAPrivateKey'{modulus = N, publicExponent = E}) -> + ssh_bits:encode(["ssh-rsa", E, N], [string, mpint, mpint]); +encode_host_key(#'DSAPrivateKey'{y = Y, p = P, q = Q, g = G}) -> + ssh_bits:encode(["ssh-dss", P, Q, G, Y], + [string, mpint, mpint, mpint, mpint]). +encode_sign(#'RSAPrivateKey'{}, Signature) -> + ssh_bits:encode(["ssh-rsa", Signature],[string, binary]); +encode_sign(#'DSAPrivateKey'{}, Signature) -> + ssh_bits:encode(["ssh-dss", Signature],[string, binary]). diff --git a/lib/ssh/src/ssh_no_io.erl b/lib/ssh/src/ssh_no_io.erl index 2c8dd92ee2..825a0d4af5 100644 --- a/lib/ssh/src/ssh_no_io.erl +++ b/lib/ssh/src/ssh_no_io.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2010. All Rights Reserved. +%% Copyright Ericsson AB 2005-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -22,18 +22,31 @@ %%% Description: ssh_io replacement that throws on everything -module(ssh_no_io). - --export([yes_no/1, read_password/1, read_line/1, format/2]). - -yes_no(_Prompt) -> - throw({no_io_allowed, yes_no}). - -read_password(_Prompt) -> - throw({no_io_allowed, read_password}). - -read_line(_Prompt) -> - throw({no_io_allowed, read_line}). - -format(_Fmt, _Args) -> - throw({no_io_allowed, format}). +-include("ssh_transport.hrl"). + +-export([yes_no/2, read_password/2, read_line/2, format/2]). + +yes_no(_, _) -> + throw({{no_io_allowed, yes_no}, + #ssh_msg_disconnect{code = ?SSH_DISCONNECT_SERVICE_NOT_AVAILABLE, + description = "User interaction is not allowed", + language = "en"}}). + +read_password(_, _) -> + throw({{no_io_allowed, read_password}, + #ssh_msg_disconnect{code = ?SSH_DISCONNECT_SERVICE_NOT_AVAILABLE, + description = "User interaction is not allowed", + language = "en"}}). + +read_line(_, _) -> + throw({{no_io_allowed, read_line}, + #ssh_msg_disconnect{code = ?SSH_DISCONNECT_SERVICE_NOT_AVAILABLE, + description = "User interaction is not allowed", + language = "en"}} ). + +format(_, _) -> + throw({{no_io_allowed, format}, + #ssh_msg_disconnect{code = ?SSH_DISCONNECT_SERVICE_NOT_AVAILABLE, + description = "User interaction is not allowed", + language = "en"}}). diff --git a/lib/ssh/src/ssh_sftp.erl b/lib/ssh/src/ssh_sftp.erl index 10167a9223..0ea2366ac7 100644 --- a/lib/ssh/src/ssh_sftp.erl +++ b/lib/ssh/src/ssh_sftp.erl @@ -352,7 +352,7 @@ write_file(Pid, Name, List) -> write_file(Pid, Name, List, ?FILEOP_TIMEOUT). write_file(Pid, Name, List, FileOpTimeout) when is_list(List) -> - write_file(Pid, Name, list_to_binary(List), FileOpTimeout); + write_file(Pid, Name, unicode:characters_to_binary(List), FileOpTimeout); write_file(Pid, Name, Bin, FileOpTimeout) -> case open(Pid, Name, [write, binary], FileOpTimeout) of {ok, Handle} -> @@ -514,7 +514,7 @@ do_handle_call({pread,Async,Handle,At,Length}, From, State) -> case get_mode(Handle, State2) of binary -> {{ok,Data}, State2}; text -> - {{ok,binary_to_list(Data)}, State2} + {{ok,unicode:characters_to_list(Data)}, State2} end; (Rep, State2) -> {Rep, State2} @@ -535,8 +535,7 @@ do_handle_call({read,Async,Handle,Length}, From, State) -> fun({ok,Data}, State2) -> case get_mode(Handle, State2) of binary -> {{ok,Data}, State2}; - text -> - {{ok,binary_to_list(Data)}, State2} + text -> {{ok,binary_to_list(Data)}, State2} end; (Rep, State2) -> {Rep, State2} end); diff --git a/lib/ssh/src/ssh_sftpd.erl b/lib/ssh/src/ssh_sftpd.erl index 3d469d3c6e..52665635f0 100644 --- a/lib/ssh/src/ssh_sftpd.erl +++ b/lib/ssh/src/ssh_sftpd.erl @@ -76,7 +76,7 @@ listen(Addr, Port, Options) -> %% Description: Stops the listener %%-------------------------------------------------------------------- stop(Pid) -> - ssh_cli:stop(Pid). + ssh:stop_listener(Pid). %%% DEPRECATED END %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -214,8 +214,7 @@ handle_op(?SSH_FXP_INIT, Version, B, State) when is_binary(B) -> handle_op(?SSH_FXP_REALPATH, ReqId, <<?UINT32(Rlen), RPath:Rlen/binary>>, State0) -> - RelPath0 = binary_to_list(RPath), - RelPath = relate_file_name(RelPath0, State0, _Canonicalize=false), + RelPath = relate_file_name(RPath, State0, _Canonicalize=false), {Res, State} = resolve_symlinks(RelPath, State0), case Res of {ok, AbsPath} -> @@ -231,7 +230,7 @@ handle_op(?SSH_FXP_OPENDIR, ReqId, <<?UINT32(RLen), RPath:RLen/binary>>, State0 = #state{xf = #ssh_xfer{vsn = Vsn}, file_handler = FileMod, file_state = FS0}) -> - RelPath = binary_to_list(RPath), + RelPath = unicode:characters_to_list(RPath), AbsPath = relate_file_name(RelPath, State0), XF = State0#state.xf, @@ -312,9 +311,8 @@ handle_op(?SSH_FXP_WRITE, ReqId, ?SSH_FX_INVALID_HANDLE), State end; -handle_op(?SSH_FXP_READLINK, ReqId, <<?UINT32(PLen), BPath:PLen/binary>>, +handle_op(?SSH_FXP_READLINK, ReqId, <<?UINT32(PLen), RelPath:PLen/binary>>, State = #state{file_handler = FileMod, file_state = FS0}) -> - RelPath = binary_to_list(BPath), AbsPath = relate_file_name(RelPath, State), {Res, FS1} = FileMod:read_link(AbsPath, FS0), case Res of @@ -524,10 +522,10 @@ close_our_file({_,Fd}, FileMod, FS0) -> %%% stat: do the stat stat(Vsn, ReqId, Data, State, F) when Vsn =< 3-> <<?UINT32(BLen), BPath:BLen/binary>> = Data, - stat(ReqId, binary_to_list(BPath), State, F); + stat(ReqId, unicode:characters_to_list(BPath), State, F); stat(Vsn, ReqId, Data, State, F) when Vsn >= 4-> <<?UINT32(BLen), BPath:BLen/binary, ?UINT32(_Flags)>> = Data, - stat(ReqId, binary_to_list(BPath), State, F). + stat(ReqId, unicode:characters_to_list(BPath), State, F). fstat(Vsn, ReqId, Data, State) when Vsn =< 3-> <<?UINT32(HLen), Handle:HLen/binary>> = Data, @@ -609,13 +607,13 @@ decode_4_acess([]) -> open(Vsn, ReqId, Data, State) when Vsn =< 3 -> <<?UINT32(BLen), BPath:BLen/binary, ?UINT32(PFlags), _Attrs/binary>> = Data, - Path = binary_to_list(BPath), + Path = unicode:characters_to_list(BPath), Flags = ssh_xfer:decode_open_flags(Vsn, PFlags), do_open(ReqId, State, Path, Flags); open(Vsn, ReqId, Data, State) when Vsn >= 4 -> <<?UINT32(BLen), BPath:BLen/binary, ?UINT32(Access), ?UINT32(PFlags), _Attrs/binary>> = Data, - Path = binary_to_list(BPath), + Path = unicode:characters_to_list(BPath), FlagBits = ssh_xfer:decode_open_flags(Vsn, PFlags), AcessBits = ssh_xfer:decode_ace_mask(Access), %% TODO: This is to make sure the Access flags are not ignored @@ -675,7 +673,7 @@ resolve_symlinks_2(["." | RestPath], State0, LinkCnt, AccPath) -> resolve_symlinks_2([".." | RestPath], State0, LinkCnt, AccPath) -> %% Remove the last path component AccPathComps0 = filename:split(AccPath), - Path = case lists:reverse(tl(lists:reverse(AccPathComps0))) of + Path = case lists:droplast(AccPathComps0) of [] -> ""; AccPathComps -> @@ -712,7 +710,7 @@ relate_file_name(File, State) -> relate_file_name(File, State, _Canonicalize=true). relate_file_name(File, State, Canonicalize) when is_binary(File) -> - relate_file_name(binary_to_list(File), State, Canonicalize); + relate_file_name(unicode:characters_to_list(File), State, Canonicalize); relate_file_name(File, #state{cwd = CWD, root = ""}, Canonicalize) -> relate_filename_to_path(File, CWD, Canonicalize); relate_file_name(File, #state{root = Root}, Canonicalize) -> diff --git a/lib/ssh/src/ssh_subsystem_sup.erl b/lib/ssh/src/ssh_subsystem_sup.erl index cd6defd535..e8855b09ac 100644 --- a/lib/ssh/src/ssh_subsystem_sup.erl +++ b/lib/ssh/src/ssh_subsystem_sup.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2012. All Rights Reserved. +%% Copyright Ericsson AB 2008-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -25,7 +25,9 @@ -behaviour(supervisor). --export([start_link/1, connection_supervisor/1, channel_supervisor/1 +-export([start_link/1, + connection_supervisor/1, + channel_supervisor/1 ]). %% Supervisor callback @@ -61,9 +63,9 @@ init([Opts]) -> child_specs(Opts) -> case proplists:get_value(role, Opts) of client -> - [ssh_connectinon_child_spec(Opts)]; + []; server -> - [ssh_connectinon_child_spec(Opts), ssh_channel_child_spec(Opts)] + [ssh_channel_child_spec(Opts), ssh_connectinon_child_spec(Opts)] end. ssh_connectinon_child_spec(Opts) -> @@ -72,9 +74,9 @@ ssh_connectinon_child_spec(Opts) -> Role = proplists:get_value(role, Opts), Name = id(Role, ssh_connection_sup, Address, Port), StartFunc = {ssh_connection_sup, start_link, [Opts]}, - Restart = transient, + Restart = temporary, Shutdown = 5000, - Modules = [ssh_connection_sup], + Modules = [ssh_connection_sup], Type = supervisor, {Name, StartFunc, Restart, Shutdown, Type, Modules}. @@ -84,7 +86,7 @@ ssh_channel_child_spec(Opts) -> Role = proplists:get_value(role, Opts), Name = id(Role, ssh_channel_sup, Address, Port), StartFunc = {ssh_channel_sup, start_link, [Opts]}, - Restart = transient, + Restart = temporary, Shutdown = infinity, Modules = [ssh_channel_sup], Type = supervisor, diff --git a/lib/ssh/src/ssh_sup.erl b/lib/ssh/src/ssh_sup.erl index f307d1f833..6d2b9c107d 100644 --- a/lib/ssh/src/ssh_sup.erl +++ b/lib/ssh/src/ssh_sup.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2010. All Rights Reserved. +%% Copyright Ericsson AB 2008-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -51,8 +51,7 @@ children() -> Clients = [Service || Service <- Services, is_client(Service)], Servers = [Service || Service <- Services, is_server(Service)], - [server_child_spec(Servers), client_child_spec(Clients), - ssh_userauth_reg_spec()]. + [server_child_spec(Servers), client_child_spec(Clients)]. server_child_spec(Servers) -> Name = sshd_sup, @@ -72,16 +71,6 @@ client_child_spec(Clients) -> Type = supervisor, {Name, StartFunc, Restart, Shutdown, Type, Modules}. -ssh_userauth_reg_spec() -> - Name = ssh_userreg, - StartFunc = {ssh_userreg, start_link, []}, - Restart = transient, - Shutdown = 5000, - Modules = [ssh_userreg], - Type = worker, - {Name, StartFunc, Restart, Shutdown, Type, Modules}. - - is_server({sftpd, _}) -> true; is_server({shelld, _}) -> diff --git a/lib/ssh/src/ssh_system_sup.erl b/lib/ssh/src/ssh_system_sup.erl index 36daf3b1ac..848133f838 100644 --- a/lib/ssh/src/ssh_system_sup.erl +++ b/lib/ssh/src/ssh_system_sup.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2012. All Rights Reserved. +%% Copyright Ericsson AB 2008-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -40,7 +40,7 @@ -export([init/1]). %%%========================================================================= -%%% API +%%% Internal API %%%========================================================================= start_link(ServerOpts) -> Address = proplists:get_value(address, ServerOpts), @@ -54,13 +54,15 @@ stop_listener(SysSup) -> stop_listener(Address, Port) -> Name = make_name(Address, Port), stop_acceptor(whereis(Name)). - + stop_system(SysSup) -> Name = sshd_sup:system_name(SysSup), - sshd_sup:stop_child(Name). - + spawn(fun() -> sshd_sup:stop_child(Name) end), + ok. + stop_system(Address, Port) -> - sshd_sup:stop_child(Address, Port). + spawn(fun() -> sshd_sup:stop_child(Address, Port) end), + ok. system_supervisor(Address, Port) -> Name = make_name(Address, Port), @@ -121,7 +123,7 @@ restart_acceptor(Address, Port) -> %%%========================================================================= init([ServerOpts]) -> RestartStrategy = one_for_one, - MaxR = 10, + MaxR = 0, MaxT = 3600, Children = child_specs(ServerOpts), {ok, {{RestartStrategy, MaxR, MaxT}, Children}}. @@ -137,7 +139,7 @@ ssh_acceptor_child_spec(ServerOpts) -> Port = proplists:get_value(port, ServerOpts), Name = id(ssh_acceptor_sup, Address, Port), StartFunc = {ssh_acceptor_sup, start_link, [ServerOpts]}, - Restart = permanent, + Restart = transient, Shutdown = infinity, Modules = [ssh_acceptor_sup], Type = supervisor, @@ -146,7 +148,7 @@ ssh_acceptor_child_spec(ServerOpts) -> ssh_subsystem_child_spec(ServerOpts) -> Name = make_ref(), StartFunc = {ssh_subsystem_sup, start_link, [ServerOpts]}, - Restart = transient, + Restart = temporary, Shutdown = infinity, Modules = [ssh_subsystem_sup], Type = supervisor, diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl index 682d766d99..27723dc870 100644 --- a/lib/ssh/src/ssh_transport.erl +++ b/lib/ssh/src/ssh_transport.erl @@ -29,12 +29,12 @@ -include("ssh_transport.hrl"). -include("ssh.hrl"). --export([connect/5, accept/4]). -export([versions/2, hello_version_msg/1]). -export([next_seqnum/1, decrypt_first_block/2, decrypt_blocks/3, - is_valid_mac/3, transport_messages/1, kexdh_messages/0, - kex_dh_gex_messages/0, handle_hello_version/1, - key_exchange_init_msg/1, key_init/3, new_keys_message/1, + is_valid_mac/3, + handle_hello_version/1, + key_exchange_init_msg/1, + key_init/3, new_keys_message/1, handle_kexinit_msg/3, handle_kexdh_init/2, handle_kex_dh_gex_group/2, handle_kex_dh_gex_reply/2, handle_new_keys/2, handle_kex_dh_gex_request/2, @@ -74,113 +74,9 @@ is_valid_mac(Mac, Data, #ssh{recv_mac = Algorithm, recv_mac_key = Key, recv_sequence = SeqNum}) -> Mac == mac(Algorithm, Key, SeqNum, Data). -transport_messages(_) -> - [{ssh_msg_disconnect, ?SSH_MSG_DISCONNECT, - [uint32, string, string]}, - - {ssh_msg_ignore, ?SSH_MSG_IGNORE, - [string]}, - - {ssh_msg_unimplemented, ?SSH_MSG_UNIMPLEMENTED, - [uint32]}, - - {ssh_msg_debug, ?SSH_MSG_DEBUG, - [boolean, string, string]}, - - {ssh_msg_service_request, ?SSH_MSG_SERVICE_REQUEST, - [string]}, - - {ssh_msg_service_accept, ?SSH_MSG_SERVICE_ACCEPT, - [string]}, - - {ssh_msg_kexinit, ?SSH_MSG_KEXINIT, - [cookie, - name_list, name_list, - name_list, name_list, - name_list, name_list, - name_list, name_list, - name_list, name_list, - boolean, - uint32]}, - - {ssh_msg_newkeys, ?SSH_MSG_NEWKEYS, - []} - ]. - -kexdh_messages() -> - [{ssh_msg_kexdh_init, ?SSH_MSG_KEXDH_INIT, - [mpint]}, - - {ssh_msg_kexdh_reply, ?SSH_MSG_KEXDH_REPLY, - [binary, mpint, binary]} - ]. - -kex_dh_gex_messages() -> - [{ssh_msg_kex_dh_gex_request, ?SSH_MSG_KEX_DH_GEX_REQUEST, - [uint32, uint32, uint32]}, - - {ssh_msg_kex_dh_gex_request_old, ?SSH_MSG_KEX_DH_GEX_REQUEST_OLD, - [uint32]}, - - {ssh_msg_kex_dh_gex_group, ?SSH_MSG_KEX_DH_GEX_GROUP, - [mpint, mpint]}, - - {ssh_msg_kex_dh_gex_init, ?SSH_MSG_KEX_DH_GEX_INIT, - [mpint]}, - - {ssh_msg_kex_dh_gex_reply, ?SSH_MSG_KEX_DH_GEX_REPLY, - [binary, mpint, binary]} - ]. - yes_no(Ssh, Prompt) -> (Ssh#ssh.io_cb):yes_no(Prompt, Ssh). -connect(ConnectionSup, Address, Port, SocketOpts, Opts) -> - Timeout = proplists:get_value(connect_timeout, Opts, infinity), - {_, Callback, _} = - proplists:get_value(transport, Opts, {tcp, gen_tcp, tcp_closed}), - case do_connect(Callback, Address, Port, SocketOpts, Timeout) of - {ok, Socket} -> - {ok, Pid} = - ssh_connection_sup:start_handler_child(ConnectionSup, - [client, Socket, - [{address, Address}, - {port, Port} | - Opts]]), - Callback:controlling_process(Socket, Pid), - ssh_connection_handler:send_event(Pid, socket_control), - {ok, Pid}; - {error, Reason} -> - {error, Reason} - end. - -do_connect(Callback, Address, Port, SocketOpts, Timeout) -> - Opts = [{active, false} | SocketOpts], - case Callback:connect(Address, Port, Opts, Timeout) of - {error, nxdomain} -> - Callback:connect(Address, Port, lists:delete(inet6, Opts), Timeout); - {error, eafnosupport} -> - Callback:connect(Address, Port, lists:delete(inet6, Opts), Timeout); - {error, enetunreach} -> - Callback:connect(Address, Port, lists:delete(inet6, Opts), Timeout); - Other -> - Other - end. - -accept(Address, Port, Socket, Options) -> - {_, Callback, _} = - proplists:get_value(transport, Options, {tcp, gen_tcp, tcp_closed}), - ConnectionSup = - ssh_system_sup:connection_supervisor( - ssh_system_sup:system_supervisor(Address, Port)), - {ok, Pid} = - ssh_connection_sup:start_handler_child(ConnectionSup, - [server, Socket, - [{address, Address}, - {port, Port} | Options]]), - Callback:controlling_process(Socket, Pid), - {ok, Pid}. - format_version({Major,Minor}) -> "SSH-" ++ integer_to_list(Major) ++ "." ++ integer_to_list(Minor) ++ "-Erlang". @@ -257,7 +153,6 @@ handle_kexinit_msg(#ssh_msg_kexinit{} = CounterPart, #ssh_msg_kexinit{} = Own, {ok, Algoritms} = select_algorithm(client, Own, CounterPart), case verify_algorithm(Algoritms) of true -> - install_messages(Algoritms#alg.kex), key_exchange_first_msg(Algoritms#alg.kex, Ssh0#ssh{algorithms = Algoritms}); _ -> @@ -271,7 +166,6 @@ handle_kexinit_msg(#ssh_msg_kexinit{} = CounterPart, #ssh_msg_kexinit{} = Own, handle_kexinit_msg(#ssh_msg_kexinit{} = CounterPart, #ssh_msg_kexinit{} = Own, #ssh{role = server} = Ssh) -> {ok, Algoritms} = select_algorithm(server, CounterPart, Own), - install_messages(Algoritms#alg.kex), {ok, Ssh#ssh{algorithms = Algoritms}}. @@ -284,11 +178,6 @@ verify_algorithm(#alg{kex = 'diffie-hellman-group-exchange-sha1'}) -> verify_algorithm(_) -> false. -install_messages('diffie-hellman-group1-sha1') -> - ssh_bits:install_messages(kexdh_messages()); -install_messages('diffie-hellman-group-exchange-sha1') -> - ssh_bits:install_messages(kex_dh_gex_messages()). - key_exchange_first_msg('diffie-hellman-group1-sha1', Ssh0) -> {G, P} = dh_group1(), {Private, Public} = dh_gen_key(G, P, 1024), @@ -312,10 +201,10 @@ handle_kexdh_init(#ssh_msg_kexdh_init{e = E}, Ssh0) -> {G, P} = dh_group1(), {Private, Public} = dh_gen_key(G, P, 1024), K = ssh_math:ipow(E, Private, P), - {Key, K_S} = get_host_key(Ssh0), - H = kex_h(Ssh0, K_S, E, Public, K), + Key = get_host_key(Ssh0), + H = kex_h(Ssh0, Key, E, Public, K), H_SIG = sign_host_key(Ssh0, Key, H), - {SshPacket, Ssh1} = ssh_packet(#ssh_msg_kexdh_reply{public_host_key = K_S, + {SshPacket, Ssh1} = ssh_packet(#ssh_msg_kexdh_reply{public_host_key = Key, f = Public, h_sig = H_SIG }, Ssh0), @@ -411,65 +300,33 @@ get_host_key(SSH) -> #ssh{key_cb = Mod, opts = Opts, algorithms = ALG} = SSH, case Mod:host_key(ALG#alg.hkey, Opts) of - {ok, #'RSAPrivateKey'{modulus = N, publicExponent = E} = Key} -> - {Key, - ssh_bits:encode(["ssh-rsa",E,N],[string,mpint,mpint])}; - {ok, #'DSAPrivateKey'{y = Y, p = P, q = Q, g = G} = Key} -> - {Key, ssh_bits:encode(["ssh-dss",P,Q,G,Y], - [string,mpint,mpint,mpint,mpint])}; + {ok, #'RSAPrivateKey'{} = Key} -> + Key; + {ok, #'DSAPrivateKey'{} = Key} -> + Key; Result -> exit({error, {Result, unsupported_key_type}}) end. sign_host_key(_Ssh, #'RSAPrivateKey'{} = Private, H) -> Hash = sha, %% Option ?! - Signature = sign(H, Hash, Private), - ssh_bits:encode(["ssh-rsa", Signature],[string, binary]); + _Signature = sign(H, Hash, Private); sign_host_key(_Ssh, #'DSAPrivateKey'{} = Private, H) -> Hash = sha, %% Option ?! - RawSignature = sign(H, Hash, Private), - ssh_bits:encode(["ssh-dss", RawSignature],[string, binary]). + _RawSignature = sign(H, Hash, Private). -verify_host_key(SSH, K_S, H, H_SIG) -> - ALG = SSH#ssh.algorithms, - case ALG#alg.hkey of - 'ssh-rsa' -> - verify_host_key_rsa(SSH, K_S, H, H_SIG); - 'ssh-dss' -> - verify_host_key_dss(SSH, K_S, H, H_SIG); - _ -> - {error, bad_host_key_algorithm} - end. - -verify_host_key_rsa(SSH, K_S, H, H_SIG) -> - case ssh_bits:decode(K_S,[string,mpint,mpint]) of - ["ssh-rsa", E, N] -> - ["ssh-rsa",SIG] = ssh_bits:decode(H_SIG,[string,binary]), - Public = #'RSAPublicKey'{publicExponent = E, modulus = N}, - case verify(H, sha, SIG, Public) of - false -> - {error, bad_signature}; - true -> - known_host_key(SSH, Public, 'ssh-rsa') - end; - _ -> - {error, bad_format} +verify_host_key(SSH, PublicKey, Digest, Signature) -> + case verify(Digest, sha, Signature, PublicKey) of + false -> + {error, bad_signature}; + true -> + known_host_key(SSH, PublicKey, public_algo(PublicKey)) end. -verify_host_key_dss(SSH, K_S, H, H_SIG) -> - case ssh_bits:decode(K_S,[string,mpint,mpint,mpint,mpint]) of - ["ssh-dss",P,Q,G,Y] -> - ["ssh-dss",SIG] = ssh_bits:decode(H_SIG,[string,binary]), - Public = {Y, #'Dss-Parms'{p = P, q = Q, g = G}}, - case verify(H, sha, SIG, Public) of - false -> - {error, bad_signature}; - true -> - known_host_key(SSH, Public, 'ssh-dss') - end; - _ -> - {error, bad_host_key_format} - end. +public_algo(#'RSAPublicKey'{}) -> + 'ssh-rsa'; +public_algo({_, #'Dss-Parms'{}}) -> + 'ssh-dss'. accepted_host(Ssh, PeerName, Opts) -> case proplists:get_value(silently_accept_hosts, Opts, false) of @@ -636,12 +493,12 @@ select(CL, SL) -> C. ssh_packet(#ssh_msg_kexinit{} = Msg, Ssh0) -> - BinMsg = ssh_bits:encode(Msg), + BinMsg = ssh_message:encode(Msg), Ssh = key_init(Ssh0#ssh.role, Ssh0, BinMsg), pack(BinMsg, Ssh); ssh_packet(Msg, Ssh) -> - BinMsg = ssh_bits:encode(Msg), + BinMsg = ssh_message:encode(Msg), pack(BinMsg, Ssh). pack(Data0, #ssh{encrypt_block_size = BlockSize, @@ -1021,23 +878,23 @@ hash(K, H, Ki, N, HASH) -> Kj = HASH([K, H, Ki]), hash(K, H, <<Ki/binary, Kj/binary>>, N-128, HASH). -kex_h(SSH, K_S, E, F, K) -> +kex_h(SSH, Key, E, F, K) -> L = ssh_bits:encode([SSH#ssh.c_version, SSH#ssh.s_version, SSH#ssh.c_keyinit, SSH#ssh.s_keyinit, - K_S, E,F,K], + ssh_message:encode_host_key(Key), E,F,K], [string,string,binary,binary,binary, mpint,mpint,mpint]), crypto:hash(sha,L). -kex_h(SSH, K_S, Min, NBits, Max, Prime, Gen, E, F, K) -> +kex_h(SSH, Key, Min, NBits, Max, Prime, Gen, E, F, K) -> L = if Min==-1; Max==-1 -> Ts = [string,string,binary,binary,binary, uint32, mpint,mpint,mpint,mpint,mpint], ssh_bits:encode([SSH#ssh.c_version,SSH#ssh.s_version, SSH#ssh.c_keyinit,SSH#ssh.s_keyinit, - K_S, NBits, Prime, Gen, E,F,K], + ssh_message:encode_host_key(Key), NBits, Prime, Gen, E,F,K], Ts); true -> Ts = [string,string,binary,binary,binary, @@ -1045,7 +902,7 @@ kex_h(SSH, K_S, Min, NBits, Max, Prime, Gen, E, F, K) -> mpint,mpint,mpint,mpint,mpint], ssh_bits:encode([SSH#ssh.c_version,SSH#ssh.s_version, SSH#ssh.c_keyinit,SSH#ssh.s_keyinit, - K_S, Min, NBits, Max, + ssh_message:encode_host_key(Key), Min, NBits, Max, Prime, Gen, E,F,K], Ts) end, crypto:hash(sha,L). diff --git a/lib/ssh/src/ssh_userreg.erl b/lib/ssh/src/ssh_userreg.erl deleted file mode 100644 index f901461aea..0000000000 --- a/lib/ssh/src/ssh_userreg.erl +++ /dev/null @@ -1,141 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2008-2011. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% - -%% -%% Description: User register for ssh_cli - --module(ssh_userreg). - --behaviour(gen_server). - -%% API --export([start_link/0, - register_user/2, - lookup_user/1, - delete_user/1]). - -%% gen_server callbacks --export([init/1, - handle_call/3, - handle_cast/2, - handle_info/2, - terminate/2, - code_change/3]). - --record(state, {user_db = []}). - -%%==================================================================== -%% API -%%==================================================================== -%%-------------------------------------------------------------------- -%% Function: start_link() -> {ok,Pid} | ignore | {error,Error} -%% Description: Starts the server -%%-------------------------------------------------------------------- -start_link() -> - gen_server:start_link({local, ?MODULE}, ?MODULE, [], []). - -register_user(User, Cm) -> - gen_server:cast(?MODULE, {register, {User, Cm}}). - -delete_user(Cm) -> - gen_server:cast(?MODULE, {delete, Cm}). - -lookup_user(Cm) -> - gen_server:call(?MODULE, {get_user, Cm}, infinity). - -%%==================================================================== -%% gen_server callbacks -%%==================================================================== - -%%-------------------------------------------------------------------- -%% Function: init(Args) -> {ok, State} | -%% {ok, State, Timeout} | -%% ignore | -%% {stop, Reason} -%% Description: Initiates the server -%%-------------------------------------------------------------------- -init([]) -> - {ok, #state{}}. - -%%-------------------------------------------------------------------- -%% Function: %% handle_call(Request, From, State) -> {reply, Reply, State} | -%% {reply, Reply, State, Timeout} | -%% {noreply, State} | -%% {noreply, State, Timeout} | -%% {stop, Reason, Reply, State} | -%% {stop, Reason, State} -%% Description: Handling call messages -%%-------------------------------------------------------------------- -handle_call({get_user, Cm}, _From, #state{user_db = Db} = State) -> - User = lookup(Cm, Db), - {reply, {ok, User}, State}. - -%%-------------------------------------------------------------------- -%% Function: handle_cast(Msg, State) -> {noreply, State} | -%% {noreply, State, Timeout} | -%% {stop, Reason, State} -%% Description: Handling cast messages -%%-------------------------------------------------------------------- -handle_cast({register, UserCm}, State) -> - {noreply, insert(UserCm, State)}; -handle_cast({delete, UserCm}, State) -> - {noreply, delete(UserCm, State)}. - -%%-------------------------------------------------------------------- -%% Function: handle_info(Info, State) -> {noreply, State} | -%% {noreply, State, Timeout} | -%% {stop, Reason, State} -%% Description: Handling all non call/cast messages -%%-------------------------------------------------------------------- -handle_info(_Info, State) -> - {noreply, State}. - -%%-------------------------------------------------------------------- -%% Function: terminate(Reason, State) -> void() -%% Description: This function is called by a gen_server when it is about to -%% terminate. It should be the opposite of Module:init/1 and do any necessary -%% cleaning up. When it returns, the gen_server terminates with Reason. -%% The return value is ignored. -%%-------------------------------------------------------------------- -terminate(_Reason, _State) -> - ok. - -%%-------------------------------------------------------------------- -%% Func: code_change(OldVsn, State, Extra) -> {ok, NewState} -%% Description: Convert process state when code is changed -%%-------------------------------------------------------------------- -code_change(_OldVsn, State, _Extra) -> - {ok, State}. - -%%-------------------------------------------------------------------- -%%% Internal functions -%%-------------------------------------------------------------------- -insert({User, Cm}, #state{user_db = Db} = State) -> - State#state{user_db = [{User, Cm} | Db]}. - -delete(Cm, #state{user_db = Db} = State) -> - State#state{user_db = lists:keydelete(Cm, 2, Db)}. - -lookup(_, []) -> - undefined; -lookup(Cm, [{User, Cm} | _Rest]) -> - User; -lookup(Cm, [_ | Rest]) -> - lookup(Cm, Rest). - diff --git a/lib/ssh/src/ssh_xfer.erl b/lib/ssh/src/ssh_xfer.erl index b299868d41..63d01fd9de 100644 --- a/lib/ssh/src/ssh_xfer.erl +++ b/lib/ssh/src/ssh_xfer.erl @@ -72,7 +72,6 @@ protocol_version_request(XF) -> open(XF, ReqID, FileName, Access, Flags, Attrs) -> Vsn = XF#ssh_xfer.vsn, - FileName1 = unicode:characters_to_binary(FileName), MBits = if Vsn >= 5 -> M = encode_ace_mask(Access), ?uint32(M); @@ -82,7 +81,7 @@ open(XF, ReqID, FileName, Access, Flags, Attrs) -> F = encode_open_flags(Flags), xf_request(XF,?SSH_FXP_OPEN, [?uint32(ReqID), - ?binary(FileName1), + ?string_utf8(FileName), MBits, ?uint32(F), encode_ATTR(Vsn,Attrs)]). @@ -90,7 +89,7 @@ open(XF, ReqID, FileName, Access, Flags, Attrs) -> opendir(XF, ReqID, DirName) -> xf_request(XF, ?SSH_FXP_OPENDIR, [?uint32(ReqID), - ?string(DirName)]). + ?string_utf8(DirName)]). close(XF, ReqID, Handle) -> @@ -127,13 +126,11 @@ write(XF,ReqID, Handle, Offset, Data) -> remove(XF, ReqID, File) -> xf_request(XF, ?SSH_FXP_REMOVE, [?uint32(ReqID), - ?string(File)]). + ?string_utf8(File)]). %% Rename a file/directory -rename(XF, ReqID, Old, New, Flags) -> +rename(XF, ReqID, OldPath, NewPath, Flags) -> Vsn = XF#ssh_xfer.vsn, - OldPath = unicode:characters_to_binary(Old), - NewPath = unicode:characters_to_binary(New), FlagBits = if Vsn >= 5 -> F0 = encode_rename_flags(Flags), @@ -143,30 +140,27 @@ rename(XF, ReqID, Old, New, Flags) -> end, xf_request(XF, ?SSH_FXP_RENAME, [?uint32(ReqID), - ?binary(OldPath), - ?binary(NewPath), + ?string_utf8(OldPath), + ?string_utf8(NewPath), FlagBits]). %% Create directory mkdir(XF, ReqID, Path, Attrs) -> - Path1 = unicode:characters_to_binary(Path), xf_request(XF, ?SSH_FXP_MKDIR, [?uint32(ReqID), - ?binary(Path1), + ?string_utf8(Path), encode_ATTR(XF#ssh_xfer.vsn, Attrs)]). %% Remove a directory rmdir(XF, ReqID, Dir) -> - Dir1 = unicode:characters_to_binary(Dir), xf_request(XF, ?SSH_FXP_RMDIR, [?uint32(ReqID), - ?binary(Dir1)]). + ?string_utf8(Dir)]). %% Stat file stat(XF, ReqID, Path, Flags) -> - Path1 = unicode:characters_to_binary(Path), Vsn = XF#ssh_xfer.vsn, AttrFlags = if Vsn >= 5 -> F = encode_attr_flags(Vsn, Flags), @@ -176,13 +170,12 @@ stat(XF, ReqID, Path, Flags) -> end, xf_request(XF, ?SSH_FXP_STAT, [?uint32(ReqID), - ?binary(Path1), + ?string_utf8(Path), AttrFlags]). %% Stat file - follow symbolic links lstat(XF, ReqID, Path, Flags) -> - Path1 = unicode:characters_to_binary(Path), Vsn = XF#ssh_xfer.vsn, AttrFlags = if Vsn >= 5 -> F = encode_attr_flags(Vsn, Flags), @@ -192,7 +185,7 @@ lstat(XF, ReqID, Path, Flags) -> end, xf_request(XF, ?SSH_FXP_LSTAT, [?uint32(ReqID), - ?binary(Path1), + ?string_utf8(Path), AttrFlags]). %% Stat open file @@ -211,10 +204,9 @@ fstat(XF, ReqID, Handle, Flags) -> %% Modify file attributes setstat(XF, ReqID, Path, Attrs) -> - Path1 = unicode:characters_to_binary(Path), xf_request(XF, ?SSH_FXP_SETSTAT, [?uint32(ReqID), - ?binary(Path1), + ?string_utf8(Path), encode_ATTR(XF#ssh_xfer.vsn, Attrs)]). @@ -227,10 +219,9 @@ fsetstat(XF, ReqID, Handle, Attrs) -> %% Read a symbolic link readlink(XF, ReqID, Path) -> - Path1 = unicode:characters_to_binary(Path), xf_request(XF, ?SSH_FXP_READLINK, [?uint32(ReqID), - ?binary(Path1)]). + ?string_utf8(Path)]). %% Create a symbolic link @@ -244,10 +235,9 @@ symlink(XF, ReqID, LinkPath, TargetPath) -> %% Convert a path into a 'canonical' form realpath(XF, ReqID, Path) -> - Path1 = unicode:characters_to_binary(Path), xf_request(XF, ?SSH_FXP_REALPATH, [?uint32(ReqID), - ?binary(Path1)]). + ?string_utf8(Path)]). extended(XF, ReqID, Request, Data) -> xf_request(XF, ?SSH_FXP_EXTENDED, @@ -267,7 +257,7 @@ xf_request(XF, Op, Arg) -> list_to_binary(Arg) end, Size = 1+size(Data), - ssh_connection:send(CM, Channel, <<?UINT32(Size), Op, Data/binary>>). + ssh_connection:send(CM, Channel, [<<?UINT32(Size), Op, Data/binary>>]). xf_send_reply(#ssh_xfer{cm = CM, channel = Channel}, Op, Arg) -> Data = if @@ -277,7 +267,7 @@ xf_send_reply(#ssh_xfer{cm = CM, channel = Channel}, Op, Arg) -> list_to_binary(Arg) end, Size = 1 + size(Data), - ssh_connection:send(CM, Channel, <<?UINT32(Size), Op, Data/binary>>). + ssh_connection:send(CM, Channel, [<<?UINT32(Size), Op, Data/binary>>]). xf_send_name(XF, ReqId, Name, Attr) -> xf_send_names(XF, ReqId, [{Name, Attr}]). @@ -296,7 +286,10 @@ xf_send_names(#ssh_xfer{cm = CM, channel = Channel, vsn = Vsn}, Count = length(NamesAndAttrs), {Data, Len} = encode_names(Vsn, NamesAndAttrs), Size = 1 + 4 + 4 + Len, - ToSend = [<<?UINT32(Size), ?SSH_FXP_NAME, ?UINT32(ReqId), ?UINT32(Count)>>, + ToSend = [<<?UINT32(Size), + ?SSH_FXP_NAME, + ?UINT32(ReqId), + ?UINT32(Count)>>, Data], ssh_connection:send(CM, Channel, ToSend). @@ -818,25 +811,27 @@ decode_names(_Vsn, 0, _Data) -> decode_names(Vsn, I, <<?UINT32(Len), FileName:Len/binary, ?UINT32(LLen), _LongName:LLen/binary, Tail/binary>>) when Vsn =< 3 -> - Name = binary_to_list(FileName), + Name = unicode:characters_to_list(FileName), {A, Tail2} = decode_ATTR(Vsn, Tail), [{Name, A} | decode_names(Vsn, I-1, Tail2)]; decode_names(Vsn, I, <<?UINT32(Len), FileName:Len/binary, Tail/binary>>) when Vsn >= 4 -> - Name = binary_to_list(FileName), + Name = unicode:characters_to_list(FileName), {A, Tail2} = decode_ATTR(Vsn, Tail), [{Name, A} | decode_names(Vsn, I-1, Tail2)]. encode_names(Vsn, NamesAndAttrs) -> lists:mapfoldl(fun(N, L) -> encode_name(Vsn, N, L) end, 0, NamesAndAttrs). -encode_name(Vsn, {Name,Attr}, Len) when Vsn =< 3 -> +encode_name(Vsn, {NameUC,Attr}, Len) when Vsn =< 3 -> + Name = binary_to_list(unicode:characters_to_binary(NameUC)), NLen = length(Name), EncAttr = encode_ATTR(Vsn, Attr), ALen = size(EncAttr), NewLen = Len + NLen*2 + 4 + 4 + ALen, {[<<?UINT32(NLen)>>, Name, <<?UINT32(NLen)>>, Name, EncAttr], NewLen}; -encode_name(Vsn, {Name,Attr}, Len) when Vsn >= 4 -> +encode_name(Vsn, {NameUC,Attr}, Len) when Vsn >= 4 -> + Name = binary_to_list(unicode:characters_to_binary(NameUC)), NLen = length(Name), EncAttr = encode_ATTR(Vsn, Attr), ALen = size(EncAttr), @@ -851,9 +846,9 @@ encode_acl_items([ACE|As]) -> Type = encode_ace_type(ACE#ssh_xfer_ace.type), Flag = encode_ace_flag(ACE#ssh_xfer_ace.flag), Mask = encode_ace_mask(ACE#ssh_xfer_ace.mask), - Who = list_to_binary(ACE#ssh_xfer_ace.who), + Who = ACE#ssh_xfer_ace.who, [?uint32(Type), ?uint32(Flag), ?uint32(Mask), - ?binary(Who) | encode_acl_items(As)]; + ?string_utf8(Who) | encode_acl_items(As)]; encode_acl_items([]) -> []. @@ -872,7 +867,7 @@ decode_acl_items(I, <<?UINT32(Type), [#ssh_xfer_ace { type = decode_ace_type(Type), flag = decode_ace_flag(Flag), mask = decode_ace_mask(Mask), - who = binary_to_list(BWho)} | Acc]). + who = unicode:characters_to_list(BWho)} | Acc]). encode_extensions(Exts) -> Count = length(Exts), diff --git a/lib/ssh/src/sshc_sup.erl b/lib/ssh/src/sshc_sup.erl index 1d2779de23..e6b4b681a4 100644 --- a/lib/ssh/src/sshc_sup.erl +++ b/lib/ssh/src/sshc_sup.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2012. All Rights Reserved. +%% Copyright Ericsson AB 2008-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -61,9 +61,9 @@ init(Args) -> %%%========================================================================= child_spec(_) -> Name = undefined, % As simple_one_for_one is used. - StartFunc = {ssh_connection_sup, start_link, []}, + StartFunc = {ssh_connection_handler, start_link, []}, Restart = temporary, Shutdown = infinity, - Modules = [ssh_connection_sup], + Modules = [ssh_connection_handler], Type = supervisor, {Name, StartFunc, Restart, Shutdown, Type, Modules}. diff --git a/lib/ssh/src/sshd_sup.erl b/lib/ssh/src/sshd_sup.erl index 747906b2cf..60222f5172 100644 --- a/lib/ssh/src/sshd_sup.erl +++ b/lib/ssh/src/sshd_sup.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2010. All Rights Reserved. +%% Copyright Ericsson AB 2008-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -58,12 +58,7 @@ start_child(ServerOpts) -> end. stop_child(Name) -> - case supervisor:terminate_child(?MODULE, Name) of - ok -> - supervisor:delete_child(?MODULE, Name); - Error -> - Error - end. + supervisor:terminate_child(?MODULE, Name). stop_child(Address, Port) -> Name = id(Address, Port), @@ -94,7 +89,7 @@ init([Servers]) -> child_spec(Address, Port, ServerOpts) -> Name = id(Address, Port), StartFunc = {ssh_system_sup, start_link, [ServerOpts]}, - Restart = transient, + Restart = temporary, Shutdown = infinity, Modules = [ssh_system_sup], Type = supervisor, diff --git a/lib/ssh/test/Makefile b/lib/ssh/test/Makefile index f5db31baee..740dbd0235 100644 --- a/lib/ssh/test/Makefile +++ b/lib/ssh/test/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 2004-2012. All Rights Reserved. +# Copyright Ericsson AB 2004-2013. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -38,7 +38,9 @@ MODULES= \ ssh_sftpd_SUITE \ ssh_sftpd_erlclient_SUITE \ ssh_connection_SUITE \ - ssh_echo_server + ssh_echo_server \ + ssh_peername_sockname_server \ + ssh_test_cli HRL_FILES_NEEDED_IN_TEST= \ $(ERL_TOP)/lib/ssh/src/ssh.hrl \ diff --git a/lib/ssh/test/ssh_basic_SUITE.erl b/lib/ssh/test/ssh_basic_SUITE.erl index 0aa60624bf..b4e3871efd 100644 --- a/lib/ssh/test/ssh_basic_SUITE.erl +++ b/lib/ssh/test/ssh_basic_SUITE.erl @@ -22,6 +22,7 @@ -module(ssh_basic_SUITE). -include_lib("common_test/include/ct.hrl"). +-include_lib("kernel/include/inet.hrl"). %% Note: This directive should only be used in test suites. -compile(export_all). @@ -45,15 +46,21 @@ all() -> daemon_already_started, server_password_option, server_userpassword_option, - close]. + double_close]. groups() -> - [{dsa_key, [], [send, exec, exec_compressed, shell, known_hosts, idle_time, rekey, openssh_zlib_basic_test]}, - {rsa_key, [], [send, exec, exec_compressed, shell, known_hosts, idle_time, rekey, openssh_zlib_basic_test]}, + [{dsa_key, [], basic_tests()}, + {rsa_key, [], basic_tests()}, {dsa_pass_key, [], [pass_phrase]}, {rsa_pass_key, [], [pass_phrase]}, {internal_error, [], [internal_error]} ]. + +basic_tests() -> + [send, close, peername_sockname, + exec, exec_compressed, shell, cli, known_hosts, + idle_time, rekey, openssh_zlib_basic_test]. + %%-------------------------------------------------------------------- init_per_suite(Config) -> case catch crypto:start() of @@ -252,7 +259,7 @@ idle_time(Config) -> ssh_connection:close(ConnectionRef, Id), receive after 10000 -> - {error,channel_closed} = ssh_connection:session_channel(ConnectionRef, 1000) + {error, closed} = ssh_connection:session_channel(ConnectionRef, 1000) end, ssh:stop_daemon(Pid). %%-------------------------------------------------------------------- @@ -300,6 +307,41 @@ shell(Config) when is_list(Config) -> end. %%-------------------------------------------------------------------- +cli() -> + [{doc, ""}]. +cli(Config) when is_list(Config) -> + process_flag(trap_exit, true), + SystemDir = filename:join(?config(priv_dir, Config), system), + UserDir = ?config(priv_dir, Config), + + {_Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},{user_dir, UserDir}, + {password, "morot"}, + {ssh_cli, {ssh_test_cli, [cli]}}, + {subsystems, []}, + {failfun, fun ssh_test_lib:failfun/2}]), + ct:sleep(500), + + ConnectionRef = ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true}, + {user, "foo"}, + {password, "morot"}, + {user_interaction, false}, + {user_dir, UserDir}]), + + {ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity), + ssh_connection:shell(ConnectionRef, ChannelId), + ok = ssh_connection:send(ConnectionRef, ChannelId, <<"q">>), + receive + {ssh_cm, ConnectionRef, + {data,0,0, <<"\r\nYou are accessing a dummy, type \"q\" to exit\r\n\n">>}} -> + ok = ssh_connection:send(ConnectionRef, ChannelId, <<"q">>) + end, + + receive + {ssh_cm, ConnectionRef,{closed, ChannelId}} -> + ok + end. + +%%-------------------------------------------------------------------- daemon_already_started() -> [{doc, "Test that get correct error message if you try to start a daemon", "on an adress that already runs a daemon see also seq10667"}]. @@ -445,10 +487,11 @@ internal_error(Config) when is_list(Config) -> {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir}, {user_dir, UserDir}, {failfun, fun ssh_test_lib:failfun/2}]), - {error,"Internal error"} = + {error, Error} = ssh:connect(Host, Port, [{silently_accept_hosts, true}, {user_dir, UserDir}, {user_interaction, false}]), + check_error(Error), ssh:stop_daemon(Pid). %%-------------------------------------------------------------------- @@ -473,9 +516,85 @@ send(Config) when is_list(Config) -> %%-------------------------------------------------------------------- +peername_sockname() -> + [{doc, "Test ssh:connection_info([peername, sockname])"}]. +peername_sockname(Config) when is_list(Config) -> + process_flag(trap_exit, true), + SystemDir = filename:join(?config(priv_dir, Config), system), + UserDir = ?config(priv_dir, Config), + + {_Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir}, + {user_dir, UserDir}, + {subsystems, [{"peername_sockname", + {ssh_peername_sockname_server, []}} + ]} + ]), + ConnectionRef = + ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true}, + {user_dir, UserDir}, + {user_interaction, false}]), + {ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity), + success = ssh_connection:subsystem(ConnectionRef, ChannelId, "peername_sockname", infinity), + [{peer, {_Name, {HostPeerClient,PortPeerClient} = ClientPeer}}] = + ssh:connection_info(ConnectionRef, [peer]), + [{sockname, {HostSockClient,PortSockClient} = ClientSock}] = + ssh:connection_info(ConnectionRef, [sockname]), + ct:pal("Client: ~p ~p", [ClientPeer, ClientSock]), + receive + {ssh_cm, ConnectionRef, {data, ChannelId, _, Response}} -> + {PeerNameSrv,SockNameSrv} = binary_to_term(Response), + {HostPeerSrv,PortPeerSrv} = PeerNameSrv, + {HostSockSrv,PortSockSrv} = SockNameSrv, + ct:pal("Server: ~p ~p", [PeerNameSrv, SockNameSrv]), + host_equal(HostPeerSrv, HostSockClient), + PortPeerSrv = PortSockClient, + host_equal(HostSockSrv, HostPeerClient), + PortSockSrv = PortPeerClient, + host_equal(HostSockSrv, Host), + PortSockSrv = Port + after 10000 -> + throw(timeout) + end. + +host_equal(H1, H2) -> + not ordsets:is_disjoint(ips(H1), ips(H2)). + +ips(IP) when is_tuple(IP) -> ordsets:from_list([IP]); +ips(Name) when is_list(Name) -> + {ok,#hostent{h_addr_list=IPs4}} = inet:gethostbyname(Name,inet), + {ok,#hostent{h_addr_list=IPs6}} = inet:gethostbyname(Name,inet6), + ordsets:from_list(IPs4++IPs6). + +%%-------------------------------------------------------------------- + close() -> - [{doc, "Simulate that we try to close an already closed connection"}]. + [{doc, "Client receives close when server closes"}]. close(Config) when is_list(Config) -> + process_flag(trap_exit, true), + SystemDir = filename:join(?config(priv_dir, Config), system), + UserDir = ?config(priv_dir, Config), + + {Server, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir}, + {user_dir, UserDir}, + {failfun, fun ssh_test_lib:failfun/2}]), + Client = + ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true}, + {user_dir, UserDir}, + {user_interaction, false}]), + {ok, ChannelId} = ssh_connection:session_channel(Client, infinity), + + ssh:stop_daemon(Server), + receive + {ssh_cm, Client,{closed, ChannelId}} -> + ok + after 5000 -> + ct:fail(timeout) + end. + +%%-------------------------------------------------------------------- +double_close() -> + [{doc, "Simulate that we try to close an already closed connection"}]. +double_close(Config) when is_list(Config) -> SystemDir = ?config(data_dir, Config), PrivDir = ?config(priv_dir, Config), UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth @@ -494,6 +613,8 @@ close(Config) when is_list(Config) -> exit(CM, {shutdown, normal}), ok = ssh:close(CM). +%%-------------------------------------------------------------------- + openssh_zlib_basic_test() -> [{doc, "Test basic connection with openssh_zlib"}]. openssh_zlib_basic_test(Config) -> @@ -515,6 +636,15 @@ openssh_zlib_basic_test(Config) -> %% Internal functions ------------------------------------------------ %%-------------------------------------------------------------------- +%% Due to timing the error message may or may not be delivered to +%% the "tcp-application" before the socket closed message is recived +check_error("Internal error") -> + ok; +check_error("Connection closed") -> + ok; +check_error(Error) -> + ct:fail(Error). + basic_test(Config) -> ClientOpts = ?config(client_opts, Config), ServerOpts = ?config(server_opts, Config), diff --git a/lib/ssh/test/ssh_connection_SUITE.erl b/lib/ssh/test/ssh_connection_SUITE.erl index 6c781e0e91..f4f0682b40 100644 --- a/lib/ssh/test/ssh_connection_SUITE.erl +++ b/lib/ssh/test/ssh_connection_SUITE.erl @@ -73,6 +73,9 @@ end_per_group(_, Config) -> %%-------------------------------------------------------------------- init_per_testcase(_TestCase, Config) -> + %% To make sure we start clean as it is not certain that + %% end_per_testcase will be run! + ssh:stop(), ssh:start(), Config. @@ -91,7 +94,6 @@ simple_exec(Config) when is_list(Config) -> {ok, ChannelId0} = ssh_connection:session_channel(ConnectionRef, infinity), success = ssh_connection:exec(ConnectionRef, ChannelId0, "echo testing", infinity), - %% receive response to input receive {ssh_cm, ConnectionRef, {data, ChannelId0, 0, <<"testing\n">>}} -> @@ -146,7 +148,6 @@ small_cat(Config) when is_list(Config) -> {ssh_cm, ConnectionRef,{closed, ChannelId0}} -> ok end. - %%-------------------------------------------------------------------- big_cat() -> [{doc,"Use 'cat' to echo large data block back to us."}]. @@ -204,37 +205,33 @@ send_after_exit(Config) when is_list(Config) -> ConnectionRef = ssh_test_lib:connect(?SSH_DEFAULT_PORT, [{silently_accept_hosts, true}, {user_interaction, false}]), {ok, ChannelId0} = ssh_connection:session_channel(ConnectionRef, infinity), + Data = <<"I like spaghetti squash">>, %% Shell command "false" will exit immediately success = ssh_connection:exec(ConnectionRef, ChannelId0, "false", infinity), - - timer:sleep(2000), %% Allow incoming eof/close/exit_status ssh messages to be processed - - Data = <<"I like spaghetti squash">>, - case ssh_connection:send(ConnectionRef, ChannelId0, Data, 2000) of - {error, closed} -> ok; - ok -> - ct:fail({expected,{error,closed}}); - {error, timeout} -> - ct:fail({expected,{error,closed}}); - Else -> - ct:fail(Else) - end, - - %% receive close messages receive {ssh_cm, ConnectionRef, {eof, ChannelId0}} -> ok end, receive - {ssh_cm, ConnectionRef, {exit_status, ChannelId0, _}} -> + {ssh_cm, ConnectionRef, {exit_status, ChannelId0, _ExitStatus}} -> ok end, receive {ssh_cm, ConnectionRef,{closed, ChannelId0}} -> ok + end, + case ssh_connection:send(ConnectionRef, ChannelId0, Data, 2000) of + {error, closed} -> ok; + ok -> + ct:fail({expected,{error,closed}, {got, ok}}); + {error, timeout} -> + ct:fail({expected,{error,closed}, {got, {error, timeout}}}); + Else -> + ct:fail(Else) end. + %%-------------------------------------------------------------------- interrupted_send() -> [{doc, "Use a subsystem that echos n char and then sends eof to cause a channel exit partway through a large send."}]. diff --git a/lib/ssh/test/ssh_peername_sockname_server.erl b/lib/ssh/test/ssh_peername_sockname_server.erl new file mode 100644 index 0000000000..bc505695d3 --- /dev/null +++ b/lib/ssh/test/ssh_peername_sockname_server.erl @@ -0,0 +1,54 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2008-2013. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +%% + +-module(ssh_peername_sockname_server). + +%% The purpose of this module is to perform tests on the server side of an +%% ssh connection. + + +-behaviour(ssh_daemon_channel). +-record(state, {}). + +-export([init/1, handle_msg/2, handle_ssh_msg/2, terminate/2]). + +init([]) -> + {ok, #state{}}. + +handle_msg({ssh_channel_up, ChannelId, ConnectionManager}, State) -> + [{peer, {_Name, Peer}}] = ssh:connection_info(ConnectionManager, [peer]), + [{sockname, Sock}] = ssh:connection_info(ConnectionManager, [sockname]), + ssh_connection:send(ConnectionManager, ChannelId, + term_to_binary({Peer, Sock})), + {ok, State}. + +handle_ssh_msg({ssh_cm, _, {exit_signal, ChannelId, _, _Error, _}}, + State) -> + {stop, ChannelId, State}; + +handle_ssh_msg({ssh_cm, _, {exit_status, ChannelId, _Status}}, State) -> + {stop, ChannelId, State}; + +handle_ssh_msg({ssh_cm, _CM, _}, State) -> + {ok, State}. + +terminate(_Reason, _State) -> + ok. diff --git a/lib/ssh/test/ssh_test_cli.erl b/lib/ssh/test/ssh_test_cli.erl new file mode 100644 index 0000000000..cd9ad5f2ff --- /dev/null +++ b/lib/ssh/test/ssh_test_cli.erl @@ -0,0 +1,81 @@ +-module(ssh_test_cli). + +-export([init/1, terminate/2, handle_ssh_msg/2, handle_msg/2]). + +-record(state, { + type, + id, + ref, + port + }). + +init([Type]) -> + {ok, #state{type = Type}}. + +handle_msg({ssh_channel_up, Id, Ref}, S) -> + User = get_ssh_user(Ref), + ok = ssh_connection:send(Ref, + Id, + << "\r\nYou are accessing a dummy, type \"q\" to exit\r\n\n" >>), + Port = run_portprog(User, S#state.type), + {ok, S#state{port = Port, id = Id, ref = Ref}}; + +handle_msg({Port, {data, Data}}, S = #state{port = Port}) -> + ok = ssh_connection:send(S#state.ref, S#state.id, Data), + {ok, S}; +handle_msg({Port, {exit_status, Exit}}, S = #state{port = Port}) -> + if + S#state.type =:= cli -> + ok = ssh_connection:send(S#state.ref, S#state.id, << "\r\n" >>); + true -> + ok + end, + ok = ssh_connection:exit_status(S#state.ref, S#state.id, Exit), + {stop, S#state.id, S#state{port = undefined}}; +handle_msg({'EXIT', Port, _}, S = #state{port = Port}) -> + ok = ssh_connection:exit_status(S#state.ref, S#state.id, 0), + {stop, S#state.id, S#state{port = undefined}}; +handle_msg(_Msg, S) -> + {ok, S}. + +handle_ssh_msg({ssh_cm, Ref, {data, Id, _Type, <<"q">>}}, S) -> + ssh_connection:send_eof(Ref, Id), + {stop, Id, S}; +handle_ssh_msg({ssh_cm, _Ref, {data, _Id, _Type, Data}}, S) -> + true = port_command(S#state.port, Data), + {ok, S}; +handle_ssh_msg({ssh_cm, _, {eof, _}}, S) -> + {ok, S}; +handle_ssh_msg({ssh_cm, Ref, {env, Id, WantReply, _Var, _Value}}, S) -> + ok = ssh_connection:reply_request(Ref, WantReply, success, Id), + {ok, S}; +handle_ssh_msg({ssh_cm, Ref, {pty, Id, WantReply, _Terminal_jox}}, S) -> + ok = ssh_connection:reply_request(Ref, WantReply, success, Id), + {ok, S}; +handle_ssh_msg({ssh_cm, Ref, {shell, Id, WantReply}}, S) -> + ok = ssh_connection:reply_request(Ref, WantReply, success, Id), + {ok, S}; +handle_ssh_msg({ssh_cm, _, {signal, _, _}}, S) -> + %% Ignore signals according to RFC 4254 section 6.9. + {ok, S}; +handle_ssh_msg({ssh_cm, _, + {window_change, _Id, _Width, _Height, _Pixw, _PixH}}, S) -> + {ok, S}; +handle_ssh_msg({ssh_cm, _, {exit_signal, Id, _, _, _}}, + S) -> + {stop, Id, S}. + +terminate(_Why, _S) -> + nop. + +run_portprog(User, cli) -> + Pty_bin = os:find_executable("cat"), + open_port({spawn_executable, Pty_bin}, + [stream, {cd, "/tmp"}, {env, [{"USER", User}]}, + {args, []}, binary, + exit_status, use_stdio, stderr_to_stdout]). + +get_ssh_user(Ref) -> + [{user, User}] = ssh:connection_info(Ref, [user]), + User. + diff --git a/lib/ssh/test/ssh_test_lib.erl b/lib/ssh/test/ssh_test_lib.erl index 6ed3dfa68c..00c25bf394 100644 --- a/lib/ssh/test/ssh_test_lib.erl +++ b/lib/ssh/test/ssh_test_lib.erl @@ -63,8 +63,13 @@ daemon(Host, Port, Options) -> Error end. + + start_shell(Port, IOServer, UserDir) -> - spawn_link(?MODULE, init_shell, [Port, IOServer, [{user_dir, UserDir}]]). + start_shell(Port, IOServer, UserDir, []). + +start_shell(Port, IOServer, UserDir, Options) -> + spawn_link(?MODULE, init_shell, [Port, IOServer, [{user_dir, UserDir}|Options]]). start_shell(Port, IOServer) -> spawn_link(?MODULE, init_shell, [Port, IOServer, []]). @@ -91,18 +96,23 @@ loop_io_server(TestCase, Buff0) -> {input, TestCase, Line} -> loop_io_server(TestCase, Buff0 ++ [Line]); {io_request, From, ReplyAs, Request} -> +%%ct:pal("~p",[{io_request, From, ReplyAs, Request}]), {ok, Reply, Buff} = io_request(Request, TestCase, From, ReplyAs, Buff0), +%%ct:pal("io_request(~p)-->~p",[Request,{ok, Reply, Buff}]), io_reply(From, ReplyAs, Reply), loop_io_server(TestCase, Buff); {'EXIT',_, _} -> - erlang:display('EXIT'), + erlang:display('ssh_test_lib:loop_io_server/2 EXIT'), ok end. io_request({put_chars, Chars}, TestCase, _, _, Buff) -> reply(TestCase, Chars), {ok, ok, Buff}; +io_request({put_chars, unicode, Chars}, TestCase, _, _, Buff) when is_binary(Chars) -> + reply(TestCase, Chars), + {ok, ok, Buff}; io_request({put_chars, Enc, Chars}, TestCase, _, _, Buff) -> reply(TestCase, unicode:characters_to_binary(Chars,Enc,latin1)), {ok, ok, Buff}; @@ -120,11 +130,13 @@ io_request({get_line, _Enc,_}, _, _, _, [Line | Buff]) -> io_reply(_, _, []) -> ok; io_reply(From, ReplyAs, Reply) -> +%%ct:pal("io_reply ~p sending ~p ! ~p",[self(),From, {io_reply, ReplyAs, Reply}]), From ! {io_reply, ReplyAs, Reply}. reply(_, []) -> ok; reply(TestCase, Result) -> +%%ct:pal("reply ~p sending ~p ! ~p",[self(), TestCase, Result]), TestCase ! Result. receive_exec_result(Msg) -> diff --git a/lib/ssh/test/ssh_unicode_SUITE.erl b/lib/ssh/test/ssh_unicode_SUITE.erl new file mode 100644 index 0000000000..a896a425b9 --- /dev/null +++ b/lib/ssh/test/ssh_unicode_SUITE.erl @@ -0,0 +1,590 @@ +%% Next line needed to enable utf8-strings in Erlang: +%% -*- coding: utf-8 -*- + +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2005-2013. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +%% gerl +fnu +%% ct:run_test([{suite,"ssh_unicode_SUITE"}, {logdir,"LOG"}]). + +-module(ssh_unicode_SUITE). + +%% Note: This directive should only be used in test suites. +-compile(export_all). + +-include_lib("common_test/include/ct.hrl"). +-include_lib("kernel/include/file.hrl"). + +% Default timetrap timeout +-define(default_timeout, ?t:minutes(1)). + +-define(USER, "åke高兴"). +-define(PASSWD, "ärlig日本じん"). +-define('sftp.txt', "sftp瑞点.txt"). +-define('test.txt', "testハンス.txt"). +-define('link_test.txt', "link_test語.txt"). + +-define(bindata, unicode:characters_to_binary("foobar å 一二三四いちにさんち") ). + +-define(NEWLINE, <<"\r\n">>). + +%%-------------------------------------------------------------------- +%% Common Test interface functions ----------------------------------- +%%-------------------------------------------------------------------- + +%% suite() -> +%% [{ct_hooks,[ts_install_cth]}]. + +all() -> + [{group, sftp}, + {group, shell} + ]. + + +init_per_suite(Config) -> + case {file:native_name_encoding(), (catch crypto:start())} of + {utf8, ok} -> + ssh:start(), + Config; + {utf8, _} -> + {skip,"Could not start crypto!"}; + _ -> + {skip,"Not unicode filename enabled emulator"} + end. + +end_per_suite(Config) -> + ssh:stop(), + crypto:stop(), + Config. + +%%-------------------------------------------------------------------- +groups() -> + [{shell, [], [shell_no_unicode, shell_unicode_string]}, + {sftp, [], [open_close_file, open_close_dir, read_file, read_dir, + write_file, rename_file, mk_rm_dir, remove_file, links, + retrieve_attributes, set_attributes, async_read, async_read_bin, + async_write + %% , position, pos_read, pos_write + ]}]. + +init_per_group(Group, Config) when Group==sftp + ; Group==shell -> + PrivDir = ?config(priv_dir, Config), + SysDir = ?config(data_dir, Config), + Sftpd = + ssh_test_lib:daemon([{system_dir, SysDir}, + {user_dir, PrivDir}, + {user_passwords, [{?USER, ?PASSWD}]}]), + [{group,Group}, {sftpd, Sftpd} | Config]; + +init_per_group(Group, Config) -> + [{group,Group} | Config]. + + +end_per_group(erlang_server, Config) -> + Config; +end_per_group(_, Config) -> + Config. + +%%-------------------------------------------------------------------- +init_per_testcase(_Case, Config) -> + prep(Config), + TmpConfig0 = lists:keydelete(watchdog, 1, Config), + TmpConfig = lists:keydelete(sftp, 1, TmpConfig0), + Dog = ct:timetrap(?default_timeout), + + case ?config(group, Config) of + sftp -> + {_Pid, Host, Port} = ?config(sftpd, Config), + {ok, ChannelPid, Connection} = + ssh_sftp:start_channel(Host, Port, + [{user, ?USER}, + {password, ?PASSWD}, + {user_interaction, false}, + {silently_accept_hosts, true}]), + Sftp = {ChannelPid, Connection}, + [{sftp, Sftp}, {watchdog, Dog} | TmpConfig]; + shell -> + UserDir = ?config(priv_dir, Config), + process_flag(trap_exit, true), + {_Pid, _Host, Port} = ?config(sftpd, Config), + ct:sleep(500), + IO = ssh_test_lib:start_io_server(), + Shell = ssh_test_lib:start_shell(Port, IO, UserDir, + [{silently_accept_hosts, true}, + {user,?USER},{password,?PASSWD}]), +%%ct:pal("IO=~p, Shell=~p, self()=~p",[IO,Shell,self()]), + wait_for_erlang_first_line([{io,IO}, {shell,Shell} | Config]) + end. + + +wait_for_erlang_first_line(Config) -> + receive + {'EXIT', _, _} -> + {fail,no_ssh_connection}; + <<"Eshell ",_/binary>> = ErlShellStart -> +%% ct:pal("Erlang shell start: ~p~n", [ErlShellStart]), + Config; + Other -> + ct:pal("Unexpected answer from ssh server: ~p",[Other]), + {fail,unexpected_answer} + after 10000 -> + ct:pal("No answer from ssh-server"), + {fail,timeout} + end. + + + +end_per_testcase(rename_file, Config) -> + PrivDir = ?config(priv_dir, Config), + NewFileName = filename:join(PrivDir, ?'test.txt'), + file:delete(NewFileName), + end_per_testcase(Config); +end_per_testcase(_TC, Config) -> + end_per_testcase(Config). + +end_per_testcase(Config) -> + catch exit(?config(shell,Config), kill), + case ?config(sftp, Config) of + {Sftp, Connection} -> + ssh_sftp:stop_channel(Sftp), + ssh:close(Connection); + _ -> + ok + end. + +%%-------------------------------------------------------------------- +%% Test Cases -------------------------------------------------------- + +-define(chk_expected(Received,Expected), + (fun(R_,E_) when R_==E_ -> ok; + (R_,E_) -> ct:pal("Expected: ~p~nReceived: ~p~n", [E_,R_]), + E_ = R_ + end)(Received,Expected)). + +-define(receive_chk(Ref,Expected), + (fun(E__) -> + receive + {async_reply, Ref, Received} when Received==E__ -> + ?chk_expected(Received, E__); + {async_reply, Ref, Received} when Received=/=E__ -> + ct:pal("Expected: ~p~nReceived: ~p~n", [E__,Received]), + E__ = Received; + Msg -> + ct:pal("Expected (Ref=~p): ~p", [Ref,E__]), + ct:fail(Msg) + end + end)(Expected)). + +%%-------------------------------------------------------------------- + + +open_close_file() -> + [{doc, "Test API functions open/3 and close/2"}]. +open_close_file(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + FileName = filename:join(PrivDir, ?'sftp.txt'), + {Sftp, _} = ?config(sftp, Config), + + lists:foreach( + fun(Mode) -> + ct:log("Mode: ~p",[Mode]), + %% list_dir(PrivDir), + ok = open_close_file(Sftp, FileName, Mode) + end, + [ + [read], + [write], + [write, creat], + [write, trunc], + [append], + [read, binary] + ]). + +open_close_file(Server, File, Mode) -> + {ok, Handle} = ssh_sftp:open(Server, File, Mode), + ok = ssh_sftp:close(Server, Handle). + +%%-------------------------------------------------------------------- +open_close_dir() -> + [{doc, "Test API functions opendir/2 and close/2"}]. +open_close_dir(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + {Sftp, _} = ?config(sftp, Config), + FileName = filename:join(PrivDir, ?'sftp.txt'), + + {ok, Handle} = ssh_sftp:opendir(Sftp, PrivDir), + ok = ssh_sftp:close(Sftp, Handle), + {error, _} = ssh_sftp:opendir(Sftp, FileName). + +%%-------------------------------------------------------------------- +read_file() -> + [{doc, "Test API funtion read_file/2"}]. +read_file(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + FileName = filename:join(PrivDir, ?'sftp.txt'), + {Sftp, _} = ?config(sftp, Config), + ?chk_expected(ssh_sftp:read_file(Sftp,FileName), file:read_file(FileName)). + +%%-------------------------------------------------------------------- +read_dir() -> + [{doc,"Test API function list_dir/2"}]. +read_dir(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + {Sftp, _} = ?config(sftp, Config), + {ok, Files} = ssh_sftp:list_dir(Sftp, PrivDir), + ct:pal("sftp list dir: ~ts~n", [Files]). + +%%-------------------------------------------------------------------- +write_file() -> + [{doc, "Test API function write_file/2"}]. +write_file(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + FileName = filename:join(PrivDir, ?'sftp.txt'), + {Sftp, _} = ?config(sftp, Config), + ok = ssh_sftp:write_file(Sftp, FileName, [?bindata]), + ?chk_expected(file:read_file(FileName), {ok,?bindata}). + +%%-------------------------------------------------------------------- +remove_file() -> + [{doc,"Test API function delete/2"}]. +remove_file(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + FileName = filename:join(PrivDir, ?'sftp.txt'), + {Sftp, _} = ?config(sftp, Config), + + {ok, Files} = ssh_sftp:list_dir(Sftp, PrivDir), + true = lists:member(filename:basename(FileName), Files), + ok = ssh_sftp:delete(Sftp, FileName), + {ok, NewFiles} = ssh_sftp:list_dir(Sftp, PrivDir), + false = lists:member(filename:basename(FileName), NewFiles), + {error, _} = ssh_sftp:delete(Sftp, FileName). +%%-------------------------------------------------------------------- +rename_file() -> + [{doc, "Test API function rename_file/2"}]. +rename_file(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + FileName = filename:join(PrivDir, ?'sftp.txt'), + NewFileName = filename:join(PrivDir, ?'test.txt'), + + {Sftp, _} = ?config(sftp, Config), + {ok, Files} = ssh_sftp:list_dir(Sftp, PrivDir), + ct:pal("FileName: ~ts~nFiles: ~ts~n", [FileName, [[$\n,$ ,F]||F<-Files] ]), + true = lists:member(filename:basename(FileName), Files), + false = lists:member(filename:basename(NewFileName), Files), + ok = ssh_sftp:rename(Sftp, FileName, NewFileName), + {ok, NewFiles} = ssh_sftp:list_dir(Sftp, PrivDir), + ct:pal("FileName: ~ts, Files: ~ts~n", [FileName, [[$\n,F]||F<-NewFiles] ]), + + false = lists:member(filename:basename(FileName), NewFiles), + true = lists:member(filename:basename(NewFileName), NewFiles). + +%%-------------------------------------------------------------------- +mk_rm_dir() -> + [{doc,"Test API functions make_dir/2, del_dir/2"}]. +mk_rm_dir(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + {Sftp, _} = ?config(sftp, Config), + + DirName = filename:join(PrivDir, "test"), + ok = ssh_sftp:make_dir(Sftp, DirName), + ok = ssh_sftp:del_dir(Sftp, DirName), + NewDirName = filename:join(PrivDir, "foo/bar"), + {error, _} = ssh_sftp:make_dir(Sftp, NewDirName), + {error, _} = ssh_sftp:del_dir(Sftp, PrivDir). + +%%-------------------------------------------------------------------- +links() -> + [{doc,"Tests API function make_symlink/3"}]. +links(Config) when is_list(Config) -> + case os:type() of + {win32, _} -> + {skip, "Links are not fully supported by windows"}; + _ -> + {Sftp, _} = ?config(sftp, Config), + PrivDir = ?config(priv_dir, Config), + FileName = filename:join(PrivDir, ?'sftp.txt'), + LinkFileName = filename:join(PrivDir, ?'link_test.txt'), + + ok = ssh_sftp:make_symlink(Sftp, LinkFileName, FileName), + {ok, FileName} = ssh_sftp:read_link(Sftp, LinkFileName) + end. + +%%-------------------------------------------------------------------- +retrieve_attributes() -> + [{doc, "Test API function read_file_info/3"}]. +retrieve_attributes(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + FileName = filename:join(PrivDir, ?'sftp.txt'), + + {Sftp, _} = ?config(sftp, Config), + {ok, FileInfo} = ssh_sftp:read_file_info(Sftp, FileName), + {ok, NewFileInfo} = file:read_file_info(FileName), + + %% TODO comparison. There are some differences now is that ok? + ct:pal("SFTP: ~p~nFILE: ~p~n", [FileInfo, NewFileInfo]). + +%%-------------------------------------------------------------------- +set_attributes() -> + [{doc,"Test API function write_file_info/3"}]. +set_attributes(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + FileName = filename:join(PrivDir, ?'test.txt'), + + {Sftp, _} = ?config(sftp, Config), + {ok,Fd} = file:open(FileName, write), + io:put_chars(Fd,"foo"), + ok = ssh_sftp:write_file_info(Sftp, FileName, #file_info{mode=8#400}), + {error, eacces} = file:write_file(FileName, "hello again"), + ssh_sftp:write_file_info(Sftp, FileName, #file_info{mode=8#600}), + ok = file:write_file(FileName, "hello again"). + +%%-------------------------------------------------------------------- + +async_read() -> + [{doc,"Test API aread/3"}]. +async_read(Config) when is_list(Config) -> + do_async_read(Config, false). + +async_read_bin() -> + [{doc,"Test API aread/3"}]. +async_read_bin(Config) when is_list(Config) -> + do_async_read(Config, true). + +do_async_read(Config, BinaryFlag) -> + {Sftp, _} = ?config(sftp, Config), + PrivDir = ?config(priv_dir, Config), + FileName = filename:join(PrivDir, ?'sftp.txt'), + {ok,ExpDataBin} = file:read_file(FileName), + ExpData = case BinaryFlag of + true -> ExpDataBin; + false -> binary_to_list(ExpDataBin) + end, + {ok, Handle} = ssh_sftp:open(Sftp, FileName, [read|case BinaryFlag of + true -> [binary]; + false -> [] + end]), + {async, Ref} = ssh_sftp:aread(Sftp, Handle, 20), + ?receive_chk(Ref, {ok,ExpData}). + +%%-------------------------------------------------------------------- +async_write() -> + [{doc,"Test API awrite/3"}]. +async_write(Config) when is_list(Config) -> + {Sftp, _} = ?config(sftp, Config), + PrivDir = ?config(priv_dir, Config), + FileName = filename:join(PrivDir, ?'test.txt'), + {ok, Handle} = ssh_sftp:open(Sftp, FileName, [write]), + Expected = ?bindata, + {async, Ref} = ssh_sftp:awrite(Sftp, Handle, Expected), + + receive + {async_reply, Ref, ok} -> + {ok, Data} = file:read_file(FileName), + ?chk_expected(Data, Expected); + Msg -> + ct:fail(Msg) + end. + +%%-------------------------------------------------------------------- + +position() -> + [{doc, "Test API functions position/3"}]. +position(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + FileName = filename:join(PrivDir, ?'test.txt'), + {Sftp, _} = ?config(sftp, Config), + + Data = list_to_binary("1234567890"), + ssh_sftp:write_file(Sftp, FileName, [Data]), + {ok, Handle} = ssh_sftp:open(Sftp, FileName, [read]), + + {ok, 3} = ssh_sftp:position(Sftp, Handle, {bof, 3}), + {ok, "4"} = ssh_sftp:read(Sftp, Handle, 1), + + {ok, 10} = ssh_sftp:position(Sftp, Handle, eof), + eof = ssh_sftp:read(Sftp, Handle, 1), + + {ok, 6} = ssh_sftp:position(Sftp, Handle, {bof, 6}), + {ok, "7"} = ssh_sftp:read(Sftp, Handle, 1), + + {ok, 9} = ssh_sftp:position(Sftp, Handle, {cur, 2}), + {ok, "0"} = ssh_sftp:read(Sftp, Handle, 1), + + {ok, 0} = ssh_sftp:position(Sftp, Handle, bof), + {ok, "1"} = ssh_sftp:read(Sftp, Handle, 1), + + {ok, 1} = ssh_sftp:position(Sftp, Handle, cur), + {ok, "2"} = ssh_sftp:read(Sftp, Handle, 1). + +%%-------------------------------------------------------------------- +pos_read() -> + [{doc,"Test API functions pread/3 and apread/3"}]. +pos_read(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + FileName = filename:join(PrivDir, ?'test.txt'), + {Sftp, _} = ?config(sftp, Config), + Data = ?bindata, + ssh_sftp:write_file(Sftp, FileName, [Data]), + + {ok, Handle} = ssh_sftp:open(Sftp, FileName, [read]), + {async, Ref} = ssh_sftp:apread(Sftp, Handle, {bof,5}, 4), + + ?receive_chk(Ref, {ok,binary_part(Data,5,4)}), + ?chk_expected(ssh_sftp:pread(Sftp,Handle,{bof,4},4), {ok,binary_part(Data,4,4)}). + + +%%-------------------------------------------------------------------- +pos_write() -> + [{doc,"Test API functions pwrite/4 and apwrite/4"}]. +pos_write(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + FileName = filename:join(PrivDir, ?'test.txt'), + {Sftp, _} = ?config(sftp, Config), + + {ok, Handle} = ssh_sftp:open(Sftp, FileName, [write]), + + Data = unicode:characters_to_list("再见"), + ssh_sftp:write_file(Sftp, FileName, [Data]), + + NewData = unicode:characters_to_list(" さようなら"), + {async, Ref} = ssh_sftp:apwrite(Sftp, Handle, {bof, 2}, NewData), + ?receive_chk(Ref, ok), + + ok = ssh_sftp:pwrite(Sftp, Handle, eof, unicode:characters_to_list(" adjö ")), + + ?chk_expected(ssh_sftp:read_file(Sftp,FileName), + {ok,unicode:characters_to_binary("再见 さようなら adjö ")}). + +%%-------------------------------------------------------------------- +sftp_nonexistent_subsystem() -> + [{doc, "Try to execute sftp subsystem on a server that does not support it"}]. +sftp_nonexistent_subsystem(Config) when is_list(Config) -> + {_,Host, Port} = ?config(sftpd, Config), + {error,"server failed to start sftp subsystem"} = + ssh_sftp:start_channel(Host, Port, + [{user_interaction, false}, + {user, ?USER}, + {password, ?PASSWD}, + {silently_accept_hosts, true}]). + +%%-------------------------------------------------------------------- +shell_no_unicode(Config) -> + do_shell(?config(io,Config), + [new_prompt, + {type,"io:format(\"hej ~p~n\",[42])."}, + {expect,"hej 42"} + ]). + +%%-------------------------------------------------------------------- +shell_unicode_string(Config) -> + do_shell(?config(io,Config), + [new_prompt, + {type,"io:format(\"こにちわ~ts~n\",[\"四二\"])."}, + {expect,"こにちわ四二"}, + {expect,"ok"} + ]). + +%%-------------------------------------------------------------------- +%% Internal functions ------------------------------------------------ +%%-------------------------------------------------------------------- +prep(Config) -> + PrivDir = ?config(priv_dir, Config), + TestFile = filename:join(PrivDir, ?'sftp.txt'), + TestFile1 = filename:join(PrivDir, ?'test.txt'), + TestLink = filename:join(PrivDir, ?'link_test.txt'), + + file:delete(TestFile), + file:delete(TestFile1), + file:delete(TestLink), + + %% Initial config + DataDir = ?config(data_dir, Config), + FileName = filename:join(DataDir, ?'sftp.txt'), + {ok,_BytesCopied} = file:copy(FileName, TestFile), + Mode = 8#00400 bor 8#00200 bor 8#00040, % read & write owner, read group + {ok, FileInfo} = file:read_file_info(TestFile), + ok = file:write_file_info(TestFile, + FileInfo#file_info{mode = Mode}). + + +%% list_dir(Dir) -> +%% ct:pal("prep/1: ls(~p):~n~p~n~ts",[Dir, file:list_dir(Dir), +%% begin +%% {ok,DL} = file:list_dir(Dir), +%% [[$\n|FN] || FN <- DL] +%% end]). + + +%%-------------------------------------------------------------------- +do_shell(IO, List) -> do_shell(IO, 0, List). + +do_shell(IO, N, [new_prompt|More]) -> + do_shell(IO, N+1, More); + +do_shell(IO, N, Ops=[{Order,Arg}|More]) -> + receive + X = <<"\r\n">> -> +%% ct:pal("Skip newline ~p",[X]), + do_shell(IO, N, Ops); + + <<P1,"> ">> when (P1-$0)==N -> + do_shell_prompt(IO, N, Order, Arg, More); + + <<P1,P2,"> ">> when (P1-$0)*10 + (P2-$0) == N -> + do_shell_prompt(IO, N, Order, Arg, More); + + Err when element(1,Err)==error -> + ct:fail("do_shell error: ~p~n",[Err]); + + RecBin when Order==expect ; Order==expect_echo -> +%% ct:pal("received ~p",[RecBin]), + RecStr = string:strip(unicode:characters_to_list(RecBin)), + ExpStr = string:strip(Arg), + case lists:prefix(ExpStr, RecStr) of + true when Order==expect -> + ct:pal("Matched ~ts",[RecStr]), + do_shell(IO, N, More); + true when Order==expect_echo -> + ct:pal("Matched echo ~ts",[RecStr]), + do_shell(IO, N, More); + false -> + ct:fail("*** Expected ~p, but got ~p",[string:strip(ExpStr),RecStr]) + end + after 10000 -> + case Order of + expect -> ct:fail("timeout, expected ~p",[string:strip(Arg)]); + type -> ct:fail("timeout, no prompt") + end + end; + +do_shell(_, _, []) -> + ok. + + +do_shell_prompt(IO, N, type, Str, More) -> +%% ct:pal("Matched prompt ~p to trigger sending of next line to server",[N]), + IO ! {input, self(), Str++"\r\n"}, + ct:pal("Promt '~p> ', Sent ~ts",[N,Str++"\r\n"]), + do_shell(IO, N, [{expect_echo,Str}|More]); % expect echo of the sent line +do_shell_prompt(IO, N, Op, Str, More) -> +%% ct:pal("Matched prompt ~p",[N]), + do_shell(IO, N, [{Op,Str}|More]). + +%%-------------------------------------------------------------------- diff --git a/lib/ssh/test/ssh_unicode_SUITE_data/sftp.txt b/lib/ssh/test/ssh_unicode_SUITE_data/sftp.txt new file mode 100644 index 0000000000..3eaaddca21 --- /dev/null +++ b/lib/ssh/test/ssh_unicode_SUITE_data/sftp.txt @@ -0,0 +1 @@ +åäöÅÄÖ瑞語 diff --git a/lib/ssh/test/ssh_unicode_SUITE_data/sftp瑞点.txt b/lib/ssh/test/ssh_unicode_SUITE_data/sftp瑞点.txt new file mode 100644 index 0000000000..3eaaddca21 --- /dev/null +++ b/lib/ssh/test/ssh_unicode_SUITE_data/sftp瑞点.txt @@ -0,0 +1 @@ +åäöÅÄÖ瑞語 diff --git a/lib/ssh/test/ssh_unicode_SUITE_data/ssh_host_dsa_key b/lib/ssh/test/ssh_unicode_SUITE_data/ssh_host_dsa_key new file mode 100644 index 0000000000..51ab6fbd88 --- /dev/null +++ b/lib/ssh/test/ssh_unicode_SUITE_data/ssh_host_dsa_key @@ -0,0 +1,13 @@ +-----BEGIN DSA PRIVATE KEY----- +MIIBuwIBAAKBgQCClaHzE2ul0gKSUxah5W0W8UiJLy4hXngKEqpaUq9SSdVdY2LK +wVfKH1gt5iuaf1FfzOhsIC9G/GLnjYttXZc92cv/Gfe3gR+s0ni2++MX+T++mE/Q +diltXv/Hp27PybS67SmiFW7I+RWnT2OKlMPtw2oUuKeztCe5UWjaj/y5FQIVAPLA +l9RpiU30Z87NRAHY3NTRaqtrAoGANMRxw8UfdtNVR0CrQj3AgPaXOGE4d+G4Gp4X +skvnCHycSVAjtYxebUkzUzt5Q6f/IabuLUdge3gXrc8BetvrcKbp+XZgM0/Vj2CF +Ymmy3in6kzGZq7Fw1sZaku6AOU8vLa5woBT2vAcHLLT1bLAzj7viL048T6MfjrOP +ef8nHvACgYBhDWFQJ1mf99sg92LalVq1dHLmVXb3PTJDfCO/Gz5NFmj9EZbAtdah +/XcF3DeRF+eEoz48wQF/ExVxSMIhLdL+o+ElpVhlM7Yii+T7dPhkQfEul6zZXu+U +ykSTXYUbtsfTNRFQGBW2/GfnEc0mnIxfn9v10NEWMzlq5z9wT9P0CgIVAN4wtL5W +Lv62jKcdskxNyz2NQoBx +-----END DSA PRIVATE KEY----- + diff --git a/lib/ssh/test/ssh_unicode_SUITE_data/ssh_host_dsa_key.pub b/lib/ssh/test/ssh_unicode_SUITE_data/ssh_host_dsa_key.pub new file mode 100644 index 0000000000..4dbb1305b0 --- /dev/null +++ b/lib/ssh/test/ssh_unicode_SUITE_data/ssh_host_dsa_key.pub @@ -0,0 +1,11 @@ +---- BEGIN SSH2 PUBLIC KEY ---- +AAAAB3NzaC1kc3MAAACBAIKVofMTa6XSApJTFqHlbRbxSIkvLiFeeAoSqlpSr1JJ1V1j +YsrBV8ofWC3mK5p/UV/M6GwgL0b8YueNi21dlz3Zy/8Z97eBH6zSeLb74xf5P76YT9B2 +KW1e/8enbs/JtLrtKaIVbsj5FadPY4qUw+3DahS4p7O0J7lRaNqP/LkVAAAAFQDywJfU +aYlN9GfOzUQB2NzU0WqrawAAAIA0xHHDxR9201VHQKtCPcCA9pc4YTh34bganheyS+cI +fJxJUCO1jF5tSTNTO3lDp/8hpu4tR2B7eBetzwF62+twpun5dmAzT9WPYIViabLeKfqT +MZmrsXDWxlqS7oA5Ty8trnCgFPa8BwcstPVssDOPu+IvTjxPox+Os495/yce8AAAAIBh +DWFQJ1mf99sg92LalVq1dHLmVXb3PTJDfCO/Gz5NFmj9EZbAtdah/XcF3DeRF+eEoz48 +wQF/ExVxSMIhLdL+o+ElpVhlM7Yii+T7dPhkQfEul6zZXu+UykSTXYUbtsfTNRFQGBW2 +/GfnEc0mnIxfn9v10NEWMzlq5z9wT9P0Cg== +---- END SSH2 PUBLIC KEY ---- diff --git a/lib/ssh/vsn.mk b/lib/ssh/vsn.mk index 231779b75a..9ffc59dbaf 100644 --- a/lib/ssh/vsn.mk +++ b/lib/ssh/vsn.mk @@ -1,5 +1,5 @@ #-*-makefile-*- ; force emacs to enter makefile-mode -SSH_VSN = 2.1.7 +SSH_VSN = 3.0.1 APP_VSN = "ssh-$(SSH_VSN)" |