diff options
Diffstat (limited to 'lib/ssh/src/ssh.erl')
| -rw-r--r-- | lib/ssh/src/ssh.erl | 134 |
1 files changed, 99 insertions, 35 deletions
diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl index 50dfe55798..fa2354a3df 100644 --- a/lib/ssh/src/ssh.erl +++ b/lib/ssh/src/ssh.erl @@ -160,7 +160,7 @@ channel_info(ConnectionRef, ChannelId, Options) -> %%-------------------------------------------------------------------- -spec daemon(integer()) -> {ok, pid()} | {error, term()}. --spec daemon(integer(), proplists:proplist()) -> {ok, pid()} | {error, term()}. +-spec daemon(integer()|port(), proplists:proplist()) -> {ok, pid()} | {error, term()}. -spec daemon(any | inet:ip_address(), integer(), proplists:proplist()) -> {ok, pid()} | {error, term()}. %% Description: Starts a server listening for SSH connections @@ -169,28 +169,16 @@ channel_info(ConnectionRef, ChannelId, Options) -> daemon(Port) -> daemon(Port, []). -daemon(Port, Options) -> - daemon(any, Port, Options). +daemon(Port, Options) when is_integer(Port) -> + daemon(any, Port, Options); + +daemon(Socket, Options0) when is_port(Socket) -> + Options = daemon_shell_opt(Options0), + start_daemon(Socket, Options). daemon(HostAddr, Port, Options0) -> - Options1 = case proplists:get_value(shell, Options0) of - undefined -> - [{shell, {shell, start, []}} | Options0]; - _ -> - Options0 - end, - - {Host, Inet, Options} = case HostAddr of - any -> - {ok, Host0} = inet:gethostname(), - {Host0, proplists:get_value(inet, Options1, inet), Options1}; - {_,_,_,_} -> - {HostAddr, inet, - [{ip, HostAddr} | Options1]}; - {_,_,_,_,_,_,_,_} -> - {HostAddr, inet6, - [{ip, HostAddr} | Options1]} - end, + Options1 = daemon_shell_opt(Options0), + {Host, Inet, Options} = daemon_host_inet_opt(HostAddr, Options1), start_daemon(Host, Port, Options, Inet). %%-------------------------------------------------------------------- @@ -284,19 +272,100 @@ default_algorithms() -> %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- +daemon_shell_opt(Options) -> + case proplists:get_value(shell, Options) of + undefined -> + [{shell, {shell, start, []}} | Options]; + _ -> + Options + end. + +daemon_host_inet_opt(HostAddr, Options1) -> + case HostAddr of + any -> + {ok, Host0} = inet:gethostname(), + {Host0, proplists:get_value(inet, Options1, inet), Options1}; + {_,_,_,_} -> + {HostAddr, inet, + [{ip, HostAddr} | Options1]}; + {_,_,_,_,_,_,_,_} -> + {HostAddr, inet6, + [{ip, HostAddr} | Options1]} + end. + + +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}} + end + end. + start_daemon(Host, Port, Options, Inet) -> case handle_options(Options) of {error, _Reason} = Error -> Error; {SocketOptions, SshOptions}-> try - do_start_daemon(Host, Port,[{role, server} |SshOptions] , [Inet | SocketOptions]) + do_start_daemon(Host, Port, [{role,server}|SshOptions] , [Inet|SocketOptions]) catch throw:bad_fd -> {error,bad_fd}; _C:_E -> {error,{cannot_start_daemon,_C,_E}} end end. +do_start_daemon(Socket, SshOptions, SocketOptions) -> + {ok, {IP,Port}} = + try {ok,_} = inet:sockname(Socket) + catch + _:_ -> throw(bad_socket) + end, + Host = fmt_host(IP), + Profile = proplists:get_value(profile, SshOptions, ?DEFAULT_PROFILE), + Opts = [{asocket, Socket}, + {asock_owner,self()}, + {address, Host}, + {port, Port}, + {role, server}, + {socket_opts, SocketOptions}, + {ssh_opts, SshOptions}], + {_, Callback, _} = proplists:get_value(transport, SshOptions, {tcp, gen_tcp, tcp_closed}), + case ssh_system_sup:system_supervisor(Host, Port, Profile) of + undefined -> + %% It would proably make more sense to call the + %% address option host but that is a too big change at the + %% monent. The name is a legacy name! + try sshd_sup:start_child(Opts) of + {error, {already_started, _}} -> + {error, eaddrinuse}; + Result = {ok,_} -> + ssh_acceptor:handle_connection(Callback, Host, Port, Opts, Socket), + Result; + Result = {error, _} -> + Result + catch + exit:{noproc, _} -> + {error, ssh_not_started} + end; + Sup -> + AccPid = ssh_system_sup:acceptor_supervisor(Sup), + case ssh_acceptor_sup:start_child(AccPid, Opts) of + {error, {already_started, _}} -> + {error, eaddrinuse}; + {ok, _} -> + ssh_acceptor:handle_connection(Callback, Host, Port, Opts, Socket), + {ok, Sup}; + Other -> + Other + end + end. + do_start_daemon(Host0, Port0, SshOptions, SocketOptions) -> {Host,Port1} = try @@ -312,7 +381,7 @@ do_start_daemon(Host0, Port0, SshOptions, SocketOptions) -> _:_ -> throw(bad_fd) end, Profile = proplists:get_value(profile, SshOptions, ?DEFAULT_PROFILE), - {Port, WaitRequestControl, Opts} = + {Port, WaitRequestControl, Opts0} = case Port1 of 0 -> %% Allocate the socket here to get the port number... {_, Callback, _} = @@ -326,17 +395,17 @@ do_start_daemon(Host0, Port0, SshOptions, SocketOptions) -> _ -> {Port1, false, []} end, + Opts = [{address, Host}, + {port, Port}, + {role, server}, + {socket_opts, SocketOptions}, + {ssh_opts, SshOptions} | Opts0], case ssh_system_sup:system_supervisor(Host, Port, Profile) of undefined -> %% It would proably make more sense to call the %% address option host but that is a too big change at the %% monent. The name is a legacy name! - try sshd_sup:start_child([{address, Host}, - {port, Port}, - {role, server}, - {socket_opts, SocketOptions}, - {ssh_opts, SshOptions} - | Opts]) of + try sshd_sup:start_child(Opts) of {error, {already_started, _}} -> {error, eaddrinuse}; Result = {ok,_} -> @@ -350,12 +419,7 @@ do_start_daemon(Host0, Port0, SshOptions, SocketOptions) -> end; Sup -> AccPid = ssh_system_sup:acceptor_supervisor(Sup), - case ssh_acceptor_sup:start_child(AccPid, [{address, Host}, - {port, Port}, - {role, server}, - {socket_opts, SocketOptions}, - {ssh_opts, SshOptions} - | Opts]) of + case ssh_acceptor_sup:start_child(AccPid, Opts) of {error, {already_started, _}} -> {error, eaddrinuse}; {ok, _} -> |