diff options
Diffstat (limited to 'lib/ssh/src/ssh_connection_handler.erl')
-rw-r--r-- | lib/ssh/src/ssh_connection_handler.erl | 45 |
1 files changed, 39 insertions, 6 deletions
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl index 00b30e5434..9079089d5d 100644 --- a/lib/ssh/src/ssh_connection_handler.erl +++ b/lib/ssh/src/ssh_connection_handler.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2011. All Rights Reserved. +%% Copyright Ericsson AB 2008-2012. 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 @@ -637,16 +637,18 @@ init_ssh(client = Role, Vsn, Version, Options, Socket) -> {ok, PeerAddr} = inet:peername(Socket), PeerName = proplists:get_value(host, Options), + KeyCb = proplists:get_value(key_cb, Options, ssh_file), #ssh{role = Role, c_vsn = Vsn, c_version = Version, - key_cb = proplists:get_value(key_cb, Options, ssh_file), + key_cb = KeyCb, io_cb = IOCb, userauth_quiet_mode = proplists:get_value(quiet_mode, Options, false), opts = Options, userauth_supported_methods = AuthMethods, - peer = {PeerName, PeerAddr} + peer = {PeerName, PeerAddr}, + available_host_keys = supported_host_keys(Role, KeyCb, Options) }; init_ssh(server = Role, Vsn, Version, Options, Socket) -> @@ -654,17 +656,48 @@ init_ssh(server = Role, Vsn, Version, Options, Socket) -> AuthMethods = proplists:get_value(auth_methods, Options, ?SUPPORTED_AUTH_METHODS), {ok, PeerAddr} = inet:peername(Socket), - + KeyCb = proplists:get_value(key_cb, Options, ssh_file), + #ssh{role = Role, s_vsn = Vsn, s_version = Version, - key_cb = proplists:get_value(key_cb, Options, ssh_file), + key_cb = KeyCb, io_cb = proplists:get_value(io_cb, Options, ssh_io), opts = Options, userauth_supported_methods = AuthMethods, - peer = {undefined, PeerAddr} + peer = {undefined, PeerAddr}, + available_host_keys = supported_host_keys(Role, KeyCb, Options) }. +supported_host_keys(client, _, _) -> + ["ssh-rsa", "ssh-dss"]; +supported_host_keys(server, KeyCb, Options) -> + lists:foldl(fun(Type, Acc) -> + case available_host_key(KeyCb, Type, Options) of + {error, _} -> + Acc; + Alg -> + [Alg | Acc] + end + end, [], + %% Prefered alg last so no need to reverse + ["ssh-dss", "ssh-rsa"]). + +available_host_key(KeyCb, "ssh-dss"= Alg, Opts) -> + case KeyCb:host_key('ssh-dss', Opts) of + {ok, _} -> + Alg; + Other -> + Other + end; +available_host_key(KeyCb, "ssh-rsa" = Alg, Opts) -> + case KeyCb:host_key('ssh-rsa', Opts) of + {ok, _} -> + Alg; + Other -> + Other + end. + send_msg(Msg, #state{socket = Socket, transport_cb = Transport}) -> Transport:send(Socket, Msg). |