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authorHans Nilsson <[email protected]>2017-03-29 15:08:48 +0200
committerHans Nilsson <[email protected]>2017-04-07 10:23:39 +0200
commita9fc169d5d0ca63a3062800429e3a16169901ab3 (patch)
treeae9af20bcefb248cae23dffa1d54564ffe3b58c3 /lib/ssh
parent3bed79615b9702f8335dbe75295c6610b097175e (diff)
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ssh: Change handling of IP addresses, 'any' and names in sup structure
Diffstat (limited to 'lib/ssh')
-rw-r--r--lib/ssh/src/ssh.erl100
1 files changed, 70 insertions, 30 deletions
diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl
index aff143dc26..8c802d46eb 100644
--- a/lib/ssh/src/ssh.erl
+++ b/lib/ssh/src/ssh.erl
@@ -26,6 +26,7 @@
-include("ssh_connect.hrl").
-include_lib("public_key/include/public_key.hrl").
-include_lib("kernel/include/file.hrl").
+-include_lib("kernel/include/inet.hrl").
-export([start/0, start/1, stop/0,
connect/2, connect/3, connect/4,
@@ -120,7 +121,7 @@ connect(Host, Port, UserOptions) when is_integer(Port),
is_list(UserOptions) ->
connect(Host, Port, UserOptions, infinity).
-connect(Host, Port, UserOptions, Timeout) when is_integer(Port),
+connect(Host0, Port, UserOptions, Timeout) when is_integer(Port),
Port>0,
is_list(UserOptions) ->
case ssh_options:handle_options(client, UserOptions) of
@@ -130,6 +131,7 @@ connect(Host, Port, UserOptions, Timeout) when is_integer(Port),
{_, Transport, _} = TransportOpts = ?GET_OPT(transport, Options),
ConnectionTimeout = ?GET_OPT(connect_timeout, Options),
SocketOpts = [{active,false} | ?GET_OPT(socket_options,Options)],
+ Host = mangle_connect_address(Host0, SocketOpts),
try Transport:connect(Host, Port, SocketOpts, ConnectionTimeout) of
{ok, Socket} ->
Opts = ?PUT_INTERNAL_OPT([{user_pid,self()}, {host,Host}], Options),
@@ -227,7 +229,7 @@ daemon(Host0, Port0, UserOptions0) when 0 =< Port0, Port0 =< 65535 ->
try
{Host1, UserOptions} = handle_daemon_args(Host0, UserOptions0),
#{} = Options0 = ssh_options:handle_options(server, UserOptions),
-
+
{{Host,Port}, ListenSocket} =
open_listen_socket(Host1, Port0, Options0),
@@ -266,27 +268,23 @@ daemon(Host0, Port0, UserOptions0) when 0 =< Port0, Port0 =< 65535 ->
daemon_info(Pid) ->
case catch ssh_system_sup:acceptor_supervisor(Pid) of
AsupPid when is_pid(AsupPid) ->
- [{Name,Port,Profile}] =
- [{Nam,Prt,Prf}
+ [{IP,Port,Profile}] =
+ [{IP,Prt,Prf}
|| {{ssh_acceptor_sup,Hst,Prt,Prf},_Pid,worker,[ssh_acceptor]}
<- supervisor:which_children(AsupPid),
- Nam <- [case inet:parse_strict_address(Hst) of
- {ok,IP} -> IP;
- _ when Hst=="any" -> any;
- _ when Hst=="loopback" -> loopback;
- _ -> Hst
- end]
+ IP <- [case inet:parse_strict_address(Hst) of
+ {ok,IP} -> IP;
+ _ -> Hst
+ end]
],
{ok, [{port,Port},
- {name,Name},
+ {ip,IP},
{profile,Profile}
]};
_ ->
{error,bad_daemon_ref}
end.
-
-
%%--------------------------------------------------------------------
-spec stop_listener(daemon_ref()) -> ok.
-spec stop_listener(inet:ip_address(), inet:port_number()) -> ok.
@@ -298,8 +296,14 @@ stop_listener(SysSup) ->
ssh_system_sup:stop_listener(SysSup).
stop_listener(Address, Port) ->
stop_listener(Address, Port, ?DEFAULT_PROFILE).
+stop_listener(any, Port, Profile) ->
+ map_ip(fun(IP) ->
+ ssh_system_sup:stop_listener(IP, Port, Profile)
+ end, [{0,0,0,0},{0,0,0,0,0,0,0,0}]);
stop_listener(Address, Port, Profile) ->
- ssh_system_sup:stop_listener(Address, Port, Profile).
+ map_ip(fun(IP) ->
+ ssh_system_sup:stop_listener(IP, Port, Profile)
+ end, {address,Address}).
%%--------------------------------------------------------------------
-spec stop_daemon(daemon_ref()) -> ok.
@@ -312,9 +316,15 @@ stop_listener(Address, Port, Profile) ->
stop_daemon(SysSup) ->
ssh_system_sup:stop_system(SysSup).
stop_daemon(Address, Port) ->
- ssh_system_sup:stop_system(Address, Port, ?DEFAULT_PROFILE).
+ stop_daemon(Address, Port, ?DEFAULT_PROFILE).
+stop_daemon(any, Port, Profile) ->
+ map_ip(fun(IP) ->
+ ssh_system_sup:stop_system(IP, Port, Profile)
+ end, [{0,0,0,0},{0,0,0,0,0,0,0,0}]);
stop_daemon(Address, Port, Profile) ->
- ssh_system_sup:stop_system(Address, Port, Profile).
+ map_ip(fun(IP) ->
+ ssh_system_sup:stop_system(IP, Port, Profile)
+ end, {address,Address}).
%%--------------------------------------------------------------------
-spec shell(inet:socket() | string()) -> _.
@@ -397,6 +407,9 @@ default_algorithms() ->
%% consideration
%%
+%% The handle_daemon_args/2 function basically only sets the ip-option in Opts
+%% so that it is correctly set when opening the listening socket.
+
handle_daemon_args(any, Opts) ->
case proplists:get_value(ip, Opts) of
undefined -> {any, Opts};
@@ -477,20 +490,17 @@ is_tcp_socket(Socket) ->
end.
%%%----------------------------------------------------------------
-open_listen_socket(Host0, Port0, Options0) ->
- case ?GET_SOCKET_OPT(fd, Options0) of
- undefined ->
- {ok,LSock} = ssh_acceptor:listen(Port0, Options0),
- {ok,{_LHost,LPort}} = inet:sockname(LSock),
- {{_LHost,LPort}, LSock};
-%% {{Host0,LPort}, LSock};
-
- Fd when is_integer(Fd) ->
- %% Do gen_tcp:listen with the option {fd,Fd}:
- {ok,LSock} = ssh_acceptor:listen(0, Options0),
- {ok,{LHost,LPort}} = inet:sockname(LSock),
- {{LHost,LPort}, LSock}
- end.
+open_listen_socket(_Host0, Port0, Options0) ->
+ {ok,LSock} =
+ case ?GET_SOCKET_OPT(fd, Options0) of
+ undefined ->
+ ssh_acceptor:listen(Port0, Options0);
+ Fd when is_integer(Fd) ->
+ %% Do gen_tcp:listen with the option {fd,Fd}:
+ ssh_acceptor:listen(0, Options0)
+ end,
+ {ok,{LHost,LPort}} = inet:sockname(LSock),
+ {{LHost,LPort}, LSock}.
%%%----------------------------------------------------------------
finalize_start(Host, Port, Profile, Options0, F) ->
@@ -509,3 +519,33 @@ finalize_start(Host, Port, Profile, Options0, F) ->
end.
%%%----------------------------------------------------------------
+map_ip(Fun, {address,IP}) when is_tuple(IP) ->
+ Fun(IP);
+map_ip(Fun, {address,Address}) ->
+ IPs = try {ok,#hostent{h_addr_list=IP0s}} = inet:gethostbyname(Address),
+ IP0s
+ catch
+ _:_ -> []
+ end,
+ map_ip(Fun, IPs);
+map_ip(Fun, IPs) ->
+ lists:map(Fun, IPs).
+
+%%%----------------------------------------------------------------
+mangle_connect_address(A, SockOpts) ->
+ mangle_connect_address1(A, proplists:get_value(inet6,SockOpts,false)).
+
+loopback(true) -> {0,0,0,0,0,0,0,1};
+loopback(false) -> {127,0,0,1}.
+
+mangle_connect_address1( loopback, V6flg) -> loopback(V6flg);
+mangle_connect_address1( any, V6flg) -> loopback(V6flg);
+mangle_connect_address1({0,0,0,0}, _) -> loopback(false);
+mangle_connect_address1({0,0,0,0,0,0,0,0}, _) -> loopback(true);
+mangle_connect_address1( IP, _) when is_tuple(IP) -> IP;
+mangle_connect_address1(A, _) ->
+ case catch inet:parse_address(A) of
+ {ok, {0,0,0,0}} -> loopback(false);
+ {ok, {0,0,0,0,0,0,0,0}} -> loopback(true);
+ _ -> A
+ end.