diff options
Diffstat (limited to 'lib/ssh')
-rw-r--r-- | lib/ssh/src/Makefile | 5 | ||||
-rw-r--r-- | lib/ssh/src/ssh.app.src | 1 | ||||
-rw-r--r-- | lib/ssh/src/ssh_auth.erl | 36 | ||||
-rw-r--r-- | lib/ssh/src/ssh_file.erl | 2 | ||||
-rw-r--r-- | lib/ssh/src/ssh_key_api.erl | 45 |
5 files changed, 77 insertions, 12 deletions
diff --git a/lib/ssh/src/Makefile b/lib/ssh/src/Makefile index cd9618c139..7be97abf66 100644 --- a/lib/ssh/src/Makefile +++ b/lib/ssh/src/Makefile @@ -36,7 +36,11 @@ RELSYSDIR = $(RELEASE_PATH)/lib/ssh-$(VSN) # Common Macros # ---------------------------------------------------- +# Behaviour (api) modules are first so they are compiled when +# the compiler reaches a callback module using them. MODULES= \ + ssh_sftpd_file_api \ + ssh_key_api \ ssh \ ssh_sup \ sshc_sup \ @@ -63,7 +67,6 @@ MODULES= \ ssh_sftp \ ssh_sftpd \ ssh_sftpd_file\ - ssh_sftpd_file_api \ ssh_transport \ ssh_userreg \ ssh_xfer diff --git a/lib/ssh/src/ssh.app.src b/lib/ssh/src/ssh.app.src index 154c72485e..7a58dbe54f 100644 --- a/lib/ssh/src/ssh.app.src +++ b/lib/ssh/src/ssh.app.src @@ -21,6 +21,7 @@ sshd_sup, ssh_file, ssh_io, + ssh_key_api, ssh_math, ssh_no_io, ssh_sftp, diff --git a/lib/ssh/src/ssh_auth.erl b/lib/ssh/src/ssh_auth.erl index a2e74a12bb..62d684f4dc 100644 --- a/lib/ssh/src/ssh_auth.erl +++ b/lib/ssh/src/ssh_auth.erl @@ -71,29 +71,43 @@ password_msg([#ssh{opts = Opts, io_cb = IoCb, ssh_bits:install_messages(userauth_passwd_messages()), Password = case proplists:get_value(password, Opts) of undefined -> - IoCb:read_password("ssh password: "); + user_interaction(Opts, IoCb); PW -> PW end, - ssh_transport:ssh_packet( - #ssh_msg_userauth_request{user = User, - service = Service, - method = "password", - data = - <<?BOOLEAN(?FALSE), - ?STRING(list_to_binary(Password))>>}, - Ssh). + case Password of + not_ok -> + not_ok; + _ -> + ssh_transport:ssh_packet( + #ssh_msg_userauth_request{user = User, + service = Service, + method = "password", + data = + <<?BOOLEAN(?FALSE), + ?STRING(list_to_binary(Password))>>}, + Ssh) + end. + +user_interaction(Opts, IoCb) -> + case proplists:get_value(allow_user_interaction, Opts, true) of + true -> + IoCb:read_password("ssh password: "); + false -> + not_ok + end. + %% See RFC 4256 for info on keyboard-interactive keyboard_interactive_msg([#ssh{user = User, - service = Service} = Ssh]) -> + service = Service} = Ssh]) -> ssh_bits:install_messages(userauth_keyboard_interactive_messages()), ssh_transport:ssh_packet( #ssh_msg_userauth_request{user = User, service = Service, method = "keyboard-interactive", data = << ?STRING(<<"">>), - ?STRING(<<>>) >> }, + ?STRING(<<>>) >> }, Ssh). service_request_msg(Ssh) -> diff --git a/lib/ssh/src/ssh_file.erl b/lib/ssh/src/ssh_file.erl index 97ebf77e82..8569051bee 100644 --- a/lib/ssh/src/ssh_file.erl +++ b/lib/ssh/src/ssh_file.erl @@ -23,6 +23,8 @@ -module(ssh_file). +-behaviour(ssh_key_api). + -include_lib("public_key/include/public_key.hrl"). -include_lib("kernel/include/file.hrl"). diff --git a/lib/ssh/src/ssh_key_api.erl b/lib/ssh/src/ssh_key_api.erl new file mode 100644 index 0000000000..8085c12e21 --- /dev/null +++ b/lib/ssh/src/ssh_key_api.erl @@ -0,0 +1,45 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2011-2012. 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_key_api). + +-include_lib("public_key/include/public_key.hrl"). +-include("ssh.hrl"). + +-type ssh_algorithm() :: string(). +-type file_error() :: file:posix() | badarg | system_limit | terminated. + +-callback host_key(Algorithm :: ssh_algorithm(), Options :: list()) -> + {ok, [{public_key(), Attributes::list()}]} | public_key() + | {error, string()}. + +-callback user_key(Algorithm :: ssh_algorithm(), Options :: list()) -> + {ok, [{public_key(), Attributes::list()}]} | public_key() + | {error, string()}. + +-callback is_host_key(Key :: public_key(), PeerName :: string(), + Algorithm :: ssh_algorithm(), Options :: list()) -> + boolean(). + +-callback add_host_key(Host :: string(), Key :: public_key(), Options :: list()) -> + ok | {error, file_error()}. + +-callback is_auth_key(Key :: public_key(), User :: string(), + Algorithm :: ssh_algorithm(), Options :: list()) -> + boolean(). |