diff options
-rw-r--r-- | lib/ssh/src/ssh.erl | 74 |
1 files changed, 46 insertions, 28 deletions
diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl index fa2354a3df..65f1acc6a6 100644 --- a/lib/ssh/src/ssh.erl +++ b/lib/ssh/src/ssh.erl @@ -86,29 +86,19 @@ connect(Socket, Options) -> connect(Socket, Options, Timeout) when is_port(Socket) -> case handle_options(Options) of - {error, _Reason} = Error -> - Error; + {error, Error} -> + {error, Error}; {_SocketOptions, SshOptions} -> - case proplists:get_value(transport, Options, {tcp, gen_tcp, tcp_closed}) of - {tcp,_,_} -> - %% Is the socket a valid tcp socket? - case {{ok,[]} =/= inet:getopts(Socket, [delay_send]), - {ok,[{active,false}]} == inet:getopts(Socket, [active]) - } - of - {true, true} -> - {ok, {Host,_Port}} = inet:sockname(Socket), - Opts = [{user_pid,self()}, {host,fmt_host(Host)} | SshOptions], - ssh_connection_handler:start_connection(client, Socket, Opts, Timeout); - {true, false} -> - {error, not_passive_mode}; - _ -> - {error, not_tcp_socket} - end; - {L4,_,_} -> - {error, {unsupported,L4}} + case valid_socket_to_use(Socket, Options) of + ok -> + {ok, {Host,_Port}} = inet:sockname(Socket), + Opts = [{user_pid,self()}, {host,fmt_host(Host)} | SshOptions], + ssh_connection_handler:start_connection(client, Socket, Opts, Timeout); + {error,SockError} -> + {error,SockError} end end; + connect(Host, Port, Options) when is_integer(Port), Port>0 -> connect(Host, Port, Options, infinity). @@ -272,6 +262,29 @@ default_algorithms() -> %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- +valid_socket_to_use(Socket, Options) -> + case proplists:get_value(transport, Options, {tcp, gen_tcp, tcp_closed}) of + {tcp,_,_} -> + %% Is this tcp-socket a valid socket? + case {is_tcp_socket(Socket), + {ok,[{active,false}]} == inet:getopts(Socket, [active]) + } + of + {true, true} -> + ok; + {true, false} -> + {error, not_passive_mode}; + _ -> + {error, not_tcp_socket} + end; + {L4,_,_} -> + {error, {unsupported,L4}} + end. + +is_tcp_socket(Socket) -> {ok,[]} =/= inet:getopts(Socket, [delay_send]). + + + daemon_shell_opt(Options) -> case proplists:get_value(shell, Options) of undefined -> @@ -296,14 +309,19 @@ daemon_host_inet_opt(HostAddr, Options1) -> start_daemon(Socket, Options) -> case handle_options(Options) of - {error, _Reason} = Error -> - Error; - {SocketOptions, SshOptions}-> - try - do_start_daemon(Socket, [{role,server}|SshOptions], SocketOptions) - catch - throw:bad_fd -> {error,bad_fd}; - _C:_E -> {error,{cannot_start_daemon,_C,_E}} + {error, Error} -> + {error, Error}; + {SocketOptions, SshOptions} -> + case valid_socket_to_use(Socket, Options) of + ok -> + try + do_start_daemon(Socket, [{role,server}|SshOptions], SocketOptions) + catch + throw:bad_fd -> {error,bad_fd}; + _C:_E -> {error,{cannot_start_daemon,_C,_E}} + end; + {error,SockError} -> + {error,SockError} end end. |