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-rw-r--r--lib/ssh/src/ssh.appup.src30
-rw-r--r--lib/ssh/src/ssh.erl49
-rw-r--r--lib/ssh/src/ssh_acceptor.erl6
-rw-r--r--lib/ssh/src/ssh_channel.erl14
-rw-r--r--lib/ssh/src/ssh_cli.erl28
-rw-r--r--lib/ssh/src/ssh_connection_controler.erl4
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl16
-rw-r--r--lib/ssh/src/ssh_connection_manager.erl23
-rwxr-xr-xlib/ssh/src/ssh_file.erl40
-rwxr-xr-xlib/ssh/src/ssh_rsa.erl3
-rw-r--r--lib/ssh/src/ssh_system_sup.erl20
-rw-r--r--lib/ssh/src/ssh_transport.erl4
12 files changed, 198 insertions, 39 deletions
diff --git a/lib/ssh/src/ssh.appup.src b/lib/ssh/src/ssh.appup.src
index 21f7508555..501da8ceb9 100644
--- a/lib/ssh/src/ssh.appup.src
+++ b/lib/ssh/src/ssh.appup.src
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2011. 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
@@ -19,9 +19,35 @@
{"%VSN%",
[
+ {"2.0.3", [{load_module, ssh_file, soft_purge, soft_purge, []},
+ {load_module, ssh, soft_purge, soft_purge, []},
+ {load_module, ssh_rsa, soft_purge, soft_purge, []},
+ {load_module, ssh_acceptor, soft_purge, soft_purge, []},
+ {load_module, ssh_transport, soft_purge, soft_purge, []},
+ {load_module, ssh_connection_manager, soft_purge, soft_purge, []}]},
+ {"2.0.2", [{load_module, ssh_file, soft_purge, soft_purge, []},
+ {load_module, ssh, soft_purge, soft_purge, []},
+ {load_module, ssh_rsa, soft_purge, soft_purge, []},
+ {load_module, ssh_acceptor, soft_purge, soft_purge, []},
+ {load_module, ssh_transport, soft_purge, soft_purge, []},
+ {load_module, ssh_connection_manager, soft_purge, soft_purge, []}]},
+ {"2.0.1", [{restart_application, ssh}]}
],
[
- ]
+ {"2.0.3", [{load_module, ssh_file, soft_purge, soft_purge, []},
+ {load_module, ssh, soft_purge, soft_purge, []},
+ {load_module, ssh_rsa, soft_purge, soft_purge, []},
+ {load_module, ssh_acceptor, soft_purge, soft_purge, []},
+ {load_module, ssh_transport, soft_purge, soft_purge, []},
+ {load_module, ssh_connection_manager, soft_purge, soft_purge, []}]},
+ {"2.0.2", [{load_module, ssh_file, soft_purge, soft_purge, []},
+ {load_module, ssh, soft_purge, soft_purge, []},
+ {load_module, ssh_rsa, soft_purge, soft_purge, []},
+ {load_module, ssh_acceptor, soft_purge, soft_purge, []},
+ {load_module, ssh_transport, soft_purge, soft_purge, []},
+ {load_module, ssh_connection_manager, soft_purge, soft_purge, []}]},
+ {"2.0.1", [{restart_application, ssh}]}
+ ]
}.
diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl
index 994c77436a..cada109df0 100644
--- a/lib/ssh/src/ssh.erl
+++ b/lib/ssh/src/ssh.erl
@@ -30,6 +30,8 @@
stop_listener/1, stop_listener/2, stop_daemon/1, stop_daemon/2,
shell/1, shell/2, shell/3]).
+-export([sign_data/2, verify_data/3]).
+
%%--------------------------------------------------------------------
%% Function: start([, Type]) -> ok
%%
@@ -94,11 +96,17 @@ connect(Host, Port, Options, Timeout) ->
do_demonitor(MRef, Manager),
{error, Other};
{'DOWN', MRef, _, Manager, Reason} when is_pid(Manager) ->
+ error_logger:warning_report([{ssh, connect},
+ {diagnose,
+ "Connection was closed before properly set up."},
+ {host, Host},
+ {port, Port},
+ {reason, Reason}]),
receive %% Clear EXIT message from queue
{'EXIT', Manager, _What} ->
- {error, Reason}
+ {error, channel_closed}
after 0 ->
- {error, Reason}
+ {error, channel_closed}
end
after Timeout ->
do_demonitor(MRef, Manager),
@@ -239,6 +247,43 @@ shell(Host, Port, Options) ->
Error
end.
+
+%%--------------------------------------------------------------------
+%% Function: sign_data(Data, Algorithm) -> binary() |
+%% {error, Reason}
+%%
+%% Data = binary()
+%% Algorithm = "ssh-rsa"
+%%
+%% Description: Use SSH key to sign data.
+%%--------------------------------------------------------------------
+sign_data(Data, Algorithm) when is_binary(Data) ->
+ case ssh_file:private_identity_key(Algorithm,[]) of
+ {ok, Key} when Algorithm == "ssh-rsa" ->
+ ssh_rsa:sign(Key, Data);
+ Error ->
+ Error
+ end.
+
+%%--------------------------------------------------------------------
+%% Function: verify_data(Data, Signature, Algorithm) -> ok |
+%% {error, Reason}
+%%
+%% Data = binary()
+%% Signature = binary()
+%% Algorithm = "ssh-rsa"
+%%
+%% Description: Use SSH signature to verify data.
+%%--------------------------------------------------------------------
+verify_data(Data, Signature, Algorithm) when is_binary(Data), is_binary(Signature) ->
+ case ssh_file:public_identity_key(Algorithm, []) of
+ {ok, Key} when Algorithm == "ssh-rsa" ->
+ ssh_rsa:verify(Key, Data, Signature);
+ Error ->
+ Error
+ end.
+
+
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
diff --git a/lib/ssh/src/ssh_acceptor.erl b/lib/ssh/src/ssh_acceptor.erl
index 9060626ab3..59fbd24cf5 100644
--- a/lib/ssh/src/ssh_acceptor.erl
+++ b/lib/ssh/src/ssh_acceptor.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2008-2010. All Rights Reserved.
+%% 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
@@ -55,6 +55,10 @@ acceptor_init(Parent, Port, Address, SockOpts, Opts, AcceptTimeout) ->
do_socket_listen(Callback, Port, Opts) ->
case Callback:listen(Port, Opts) of
+ {error, nxdomain} ->
+ Callback:listen(Port, lists:delete(inet6, Opts));
+ {error, enetunreach} ->
+ Callback:listen(Port, lists:delete(inet6, Opts));
{error, eafnosupport} ->
Callback:listen(Port, lists:delete(inet6, Opts));
Other ->
diff --git a/lib/ssh/src/ssh_channel.erl b/lib/ssh/src/ssh_channel.erl
index 8a49a44a6c..dcb2d69290 100644
--- a/lib/ssh/src/ssh_channel.erl
+++ b/lib/ssh/src/ssh_channel.erl
@@ -238,9 +238,19 @@ handle_info(Msg, #state{cm = ConnectionManager, channel_cb = Module,
{noreply, State#state{channel_state = ChannelState}};
{ok, ChannelState, Timeout} ->
{noreply, State#state{channel_state = ChannelState}, Timeout};
+ {stop, Reason, ChannelState} when is_atom(Reason)->
+ {stop, Reason, State#state{close_sent = true,
+ channel_state = ChannelState}};
{stop, ChannelId, ChannelState} ->
- ssh_connection:close(ConnectionManager, ChannelId),
- {stop, normal, State#state{close_sent = true,
+ Reason =
+ case Msg of
+ {'EXIT', _Pid, shutdown} ->
+ shutdown;
+ _ ->
+ normal
+ end,
+ (catch ssh_connection:close(ConnectionManager, ChannelId)),
+ {stop, Reason, State#state{close_sent = true,
channel_state = ChannelState}}
end.
diff --git a/lib/ssh/src/ssh_cli.erl b/lib/ssh/src/ssh_cli.erl
index e3b6ffa125..cb78acb84c 100644
--- a/lib/ssh/src/ssh_cli.erl
+++ b/lib/ssh/src/ssh_cli.erl
@@ -415,14 +415,12 @@ start_shell(ConnectionManager, State) ->
Shell = State#state.shell,
ShellFun = case is_function(Shell) of
true ->
+ {ok, User} =
+ ssh_userreg:lookup_user(ConnectionManager),
case erlang:fun_info(Shell, arity) of
{arity, 1} ->
- {ok, User} =
- ssh_userreg:lookup_user(ConnectionManager),
fun() -> Shell(User) end;
{arity, 2} ->
- {ok, User} =
- ssh_userreg:lookup_user(ConnectionManager),
{ok, PeerAddr} =
ssh_connection_manager:peer_addr(ConnectionManager),
fun() -> Shell(User, PeerAddr) end;
@@ -437,10 +435,28 @@ start_shell(ConnectionManager, State) ->
State#state{group = Group, buf = empty_buf()}.
start_shell(_ConnectionManager, Cmd, #state{exec={M, F, A}} = State) ->
- Group = group:start(self(), {M, F, A++[Cmd]}, [{echo,false}]),
+ 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) ->
+ {ok, User} =
+ ssh_userreg:lookup_user(ConnectionManager),
+ ShellFun =
+ case erlang:fun_info(Shell, arity) of
+ {arity, 1} ->
+ fun() -> Shell(Cmd) end;
+ {arity, 2} ->
+ fun() -> Shell(Cmd, User) end;
+ {arity, 3} ->
+ {ok, PeerAddr} =
+ ssh_connection_manager:peer_addr(ConnectionManager),
+ fun() -> Shell(Cmd, User, PeerAddr) end;
+ _ ->
+ Shell
+ end,
+ Echo = get_echo(State#state.pty),
+ Group = group:start(self(), ShellFun, [{echo,Echo}]),
State#state{group = Group, buf = empty_buf()}.
-
% Pty can be undefined if the client never sets any pty options before
% starting the shell.
get_echo(undefined) ->
diff --git a/lib/ssh/src/ssh_connection_controler.erl b/lib/ssh/src/ssh_connection_controler.erl
index 636ecba532..ca3e62dc83 100644
--- a/lib/ssh/src/ssh_connection_controler.erl
+++ b/lib/ssh/src/ssh_connection_controler.erl
@@ -126,8 +126,8 @@ handle_cast(_, State) ->
%% handle_info(ssh_connected, State) ->
%% {stop, normal, State};
%% Servant termination.
-handle_info({'EXIT', _Pid, normal}, State) ->
- {stop, normal, State}.
+handle_info({'EXIT', _Pid, Reason}, State) ->
+ {stop, Reason, State}.
%%-----------------------------------------------------------------
%% Func: code_change/3
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index d46002c494..0ba11b0a26 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -705,11 +705,19 @@ generate_event(<<?BYTE(Byte), _/binary>> = Msg, StateName,
Byte == ?SSH_MSG_CHANNEL_REQUEST;
Byte == ?SSH_MSG_CHANNEL_SUCCESS;
Byte == ?SSH_MSG_CHANNEL_FAILURE ->
- ssh_connection_manager:event(Pid, Msg),
- State = generate_event_new_state(State0, EncData),
- next_packet(State),
- {next_state, StateName, State};
+ try
+ ssh_connection_manager:event(Pid, Msg),
+ State = generate_event_new_state(State0, EncData),
+ next_packet(State),
+ {next_state, StateName, State}
+ catch
+ exit:{noproc, _Reason} ->
+ Report = io_lib:format("~p Connection Handler terminated: ~p~n",
+ [self(), Pid]),
+ error_logger:info_report(Report),
+ {stop, normal, State0}
+ end;
generate_event(Msg, StateName, State0, EncData) ->
Event = ssh_bits:decode(Msg),
State = generate_event_new_state(State0, EncData),
diff --git a/lib/ssh/src/ssh_connection_manager.erl b/lib/ssh/src/ssh_connection_manager.erl
index cffeade485..9bfd5270da 100644
--- a/lib/ssh/src/ssh_connection_manager.erl
+++ b/lib/ssh/src/ssh_connection_manager.erl
@@ -1,19 +1,19 @@
%%
%% %CopyrightBegin%
-%%
+%%
%% Copyright Ericsson AB 2008-2010. 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%
%%
%%
@@ -146,6 +146,8 @@ adjust_window(ConnectionManager, Channel, Bytes) ->
close(ConnectionManager, ChannelId) ->
try call(ConnectionManager, {close, ChannelId}) of
ok ->
+ ok;
+ {error, channel_closed} ->
ok
catch
exit:{noproc, _} ->
@@ -155,6 +157,8 @@ close(ConnectionManager, ChannelId) ->
stop(ConnectionManager) ->
try call(ConnectionManager, stop) of
ok ->
+ ok;
+ {error, channel_closed} ->
ok
catch
exit:{noproc, _} ->
@@ -556,13 +560,18 @@ handle_info({'EXIT', _, _}, State) ->
%% The return value is ignored.
%%--------------------------------------------------------------------
terminate(Reason, #state{connection_state =
- #connection{requests = Requests},
+ #connection{requests = Requests,
+ sub_system_supervisor = SubSysSup},
opts = Opts}) ->
SSHOpts = proplists:get_value(ssh_opts, Opts),
disconnect_fun(Reason, SSHOpts),
(catch lists:foreach(fun({_, From}) ->
gen_server:reply(From, {error, connection_closed})
end, Requests)),
+ 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),
ok.
%%--------------------------------------------------------------------
@@ -593,7 +602,9 @@ call(Pid, Msg, Timeout) ->
Result
catch
exit:{timeout, _} ->
- {error, timeout}
+ {error, timeout};
+ exit:{normal, _} ->
+ {error, channel_closed}
end.
cast(Pid, Msg) ->
diff --git a/lib/ssh/src/ssh_file.erl b/lib/ssh/src/ssh_file.erl
index 5572349fe7..ff23f714cd 100755
--- a/lib/ssh/src/ssh_file.erl
+++ b/lib/ssh/src/ssh_file.erl
@@ -27,14 +27,16 @@
-include("PKCS-1.hrl").
-include("DSS.hrl").
+-include_lib("kernel/include/file.hrl").
+
-export([public_host_dsa_key/2,private_host_dsa_key/2,
public_host_rsa_key/2,private_host_rsa_key/2,
public_host_key/2,private_host_key/2,
lookup_host_key/3, add_host_key/3, % del_host_key/2,
lookup_user_key/3, ssh_dir/2, file_name/3]).
--export([private_identity_key/2]).
-%% , public_identity_key/2,
+-export([private_identity_key/2,
+ public_identity_key/2]).
%% identity_keys/2]).
-export([encode_public_key/1, decode_public_key_v2/2]).
@@ -43,6 +45,9 @@
-define(DBG_PATHS, true).
+-define(PERM_700, 8#700).
+-define(PERM_644, 8#644).
+
%% API
public_host_dsa_key(Type, Opts) ->
File = file_name(Type, "ssh_host_dsa_key.pub", Opts),
@@ -113,8 +118,10 @@ do_lookup_host_key(Host, Alg, Opts) ->
add_host_key(Host, Key, Opts) ->
Host1 = add_ip(replace_localhost(Host)),
- case file:open(file_name(user, "known_hosts", Opts),[write,append]) of
+ KnownHosts = file_name(user, "known_hosts", Opts),
+ case file:open(KnownHosts, [write,append]) of
{ok, Fd} ->
+ ok = file:change_mode(KnownHosts, ?PERM_644),
Res = add_key_fd(Fd, Host1, Key),
file:close(Fd),
Res;
@@ -140,6 +147,11 @@ private_identity_key(Alg, Opts) ->
Path = file_name(user, identity_key_filename(Alg), Opts),
read_private_key_v2(Path, Alg).
+public_identity_key(Alg, Opts) ->
+ Path = file_name(user, identity_key_filename(Alg) ++ ".pub", Opts),
+ read_public_key_v2(Path, Alg).
+
+
read_public_key_v2(File, Type) ->
case file:read_file(File) of
{ok,Bin} ->
@@ -198,12 +210,17 @@ read_public_key_v1(File) ->
%% pem_type("ssh-rsa") -> "RSA".
read_private_key_v2(File, Type) ->
- case catch (public_key:pem_to_der(File)) of
- {ok, [{_, Bin, not_encrypted}]} ->
- decode_private_key_v2(Bin, Type);
- Error -> %% Note we do not handle password encrypted keys at the moment
- {error, Error}
- end.
+ case file:read_file(File) of
+ {ok, PemBin} ->
+ case catch (public_key:pem_decode(PemBin)) of
+ [{_, Bin, not_encrypted}] ->
+ decode_private_key_v2(Bin, Type);
+ Error -> %% Note we do not handle password encrypted keys at the moment
+ {error, Error}
+ end;
+ {error, Reason} ->
+ {error, Reason}
+ end.
%% case file:read_file(File) of
%% {ok,Bin} ->
%% case read_pem(binary_to_list(Bin), pem_type(Type)) of
@@ -527,4 +544,7 @@ file_name(Type, Name, Opts) ->
default_user_dir()->
{ok,[[Home|_]]} = init:get_argument(home),
- filename:join(Home, ".ssh").
+ UserDir = filename:join(Home, ".ssh"),
+ ok = filelib:ensure_dir(filename:join(UserDir, "dummy")),
+ ok = file:change_mode(UserDir, ?PERM_700),
+ UserDir.
diff --git a/lib/ssh/src/ssh_rsa.erl b/lib/ssh/src/ssh_rsa.erl
index e27cdcf7bd..91b8285b2e 100755
--- a/lib/ssh/src/ssh_rsa.erl
+++ b/lib/ssh/src/ssh_rsa.erl
@@ -202,8 +202,7 @@ rsassa_pkcs1_v1_5_verify(Public=#ssh_key { public={N,_E}}, Mb, Sb) ->
case emsa_pkcs1_v1_5_encode(Mb, K) of
EM -> ok;
_S ->
- io:format("S: ~p~n", [_S]),
- {error, invalid_signature} % exit(invalid_signature)
+ {error, invalid_signature}
end.
diff --git a/lib/ssh/src/ssh_system_sup.erl b/lib/ssh/src/ssh_system_sup.erl
index 40db2e4adf..920baaadef 100644
--- a/lib/ssh/src/ssh_system_sup.erl
+++ b/lib/ssh/src/ssh_system_sup.erl
@@ -33,7 +33,8 @@
stop_system/2, system_supervisor/2,
subsystem_supervisor/1, channel_supervisor/1,
connection_supervisor/1,
- acceptor_supervisor/1, start_subsystem/2, restart_subsystem/2, restart_acceptor/2]).
+ acceptor_supervisor/1, start_subsystem/2, restart_subsystem/2,
+ restart_acceptor/2, stop_subsystem/2]).
%% Supervisor callback
-export([init/1]).
@@ -83,6 +84,23 @@ start_subsystem(SystemSup, Options) ->
Spec = ssh_subsystem_child_spec(Options),
supervisor:start_child(SystemSup, Spec).
+stop_subsystem(SystemSup, SubSys) ->
+ case catch lists:keyfind(SubSys, 2, supervisor:which_children(SystemSup)) of
+ false ->
+ {error, not_found};
+ {Id, _, _, _} ->
+ spawn(fun() -> supervisor:terminate_child(SystemSup, Id),
+ supervisor:delete_child(SystemSup, Id) end),
+ ok;
+ {'EXIT', {noproc, _}} ->
+ %% Already terminated; probably shutting down.
+ ok;
+ {'EXIT', {shutdown, _}} ->
+ %% Already shutting down.
+ ok
+ end.
+
+
restart_subsystem(Address, Port) ->
SysSupName = make_name(Address, Port),
SubSysName = id(ssh_subsystem_sup, Address, Port),
diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl
index e79ccdda0c..de3e29e2f1 100644
--- a/lib/ssh/src/ssh_transport.erl
+++ b/lib/ssh/src/ssh_transport.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2011. 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
@@ -169,6 +169,8 @@ do_connect(Callback, Address, Port, SocketOpts, Timeout) ->
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.