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-rw-r--r--lib/ssh/src/ssh.erl192
1 files changed, 137 insertions, 55 deletions
diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl
index 50dfe55798..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).
@@ -160,7 +150,7 @@ 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 +159,16 @@ 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 +262,128 @@ 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 ->
+ [{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, 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.
+
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 +399,7 @@ 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 +413,17 @@ 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 +437,7 @@ 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, _} ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-29 14:56:56 +0000