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* src/ejabberd_config.erl: Option outgoing_s2s_options to define
s2s outgoing behaviour: IPv4, IPv6 and timeout (thanks to Stephan Maka)(EJAB-665) * src/ejabberd_s2s_out.erl: Likewise * src/ejabberd_socket.erl: Likewise * src/ejabberd.cfg.example: Likewise * doc/guide.tex: Likewise * doc/guide.html: Likewise SVN Revision: 1756
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Badlop
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ChangeLog
13
ChangeLog
@ -1,3 +1,14 @@
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2008-12-26 Badlop <badlop@process-one.net>
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* src/ejabberd_config.erl: Option outgoing_s2s_options to define
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s2s outgoing behaviour: IPv4, IPv6 and timeout (thanks to Stephan
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Maka)(EJAB-665)
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* src/ejabberd_s2s_out.erl: Likewise
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* src/ejabberd_socket.erl: Likewise
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* src/ejabberd.cfg.example: Likewise
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* doc/guide.tex: Likewise
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* doc/guide.html: Likewise
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2008-12-26 Evgeniy Khramtsov <ekhramtsov@process-one.net>
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* src/odbc/ejabberd_odbc.erl: get rid of SERIALIZABLE isolation
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@ -10,7 +21,7 @@
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2008-12-24 Badlop <badlop@process-one.net>
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* src/aclocal.m4: Fixes in configure script: fix
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disable-disable_zlib and disable-pam; in case of problems, PAM
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disable-ejabberd_zlib and disable-pam; in case of problems, PAM
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verification aborts with error instead of warning. (EJAB-787)
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* src/configure.ac: Likewise
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* src/configure: Likewise
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@ -745,6 +745,10 @@ use STARTTLS for s2s connections.
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file containing a SSL certificate.
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</DD><DT CLASS="dt-description"><B><TT>{domain_certfile, Domain, Path}</TT></B></DT><DD CLASS="dd-description">
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Full path to the file containing the SSL certificate for a specific domain.
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</DD><DT CLASS="dt-description"><B><TT>{outgoing_s2s_options, Methods, Timeout}</TT></B></DT><DD CLASS="dd-description">
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Specify which address families to try, in what order, and connect timeout in milliseconds.
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By default it first tries connecting with IPv4, if that fails it tries using IPv6,
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with a timeout of 10000 milliseconds.
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</DD><DT CLASS="dt-description"><B><TT>{s2s_default_policy, allow|deny}</TT></B></DT><DD CLASS="dd-description">
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The default policy for incoming and outgoing s2s connections to other Jabber servers.
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The default value is <TT>allow</TT>.
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@ -1032,6 +1036,10 @@ declarations of ACLs in the configuration file have the following syntax:
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</PRE></DD><DT CLASS="dt-description"><B><TT>{resource, <resource>}</TT></B></DT><DD CLASS="dd-description"> Matches any JID with a resource
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<TT><resource></TT>. Example:
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<PRE CLASS="verbatim">{acl, mucklres, {resource, "muckl"}}.
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</PRE></DD><DT CLASS="dt-description"><B><TT>{shared_group, <groupname>}</TT></B></DT><DD CLASS="dd-description"> Matches any member of a Shared Roster Group with name <TT><groupname></TT> in the virtual host. Example:
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<PRE CLASS="verbatim">{acl, techgroupmembers, {shared_group, "techteam"}}.
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</PRE></DD><DT CLASS="dt-description"><B><TT>{shared_group, <groupname>, <server>}</TT></B></DT><DD CLASS="dd-description"> Matches any member of a Shared Roster Group with name <TT><groupname></TT> in the virtual host <TT><server></TT>. Example:
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<PRE CLASS="verbatim">{acl, techgroupmembers, {shared_group, "techteam", "example.org"}}.
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</PRE></DD><DT CLASS="dt-description"><B><TT>{user_regexp, <regexp>}</TT></B></DT><DD CLASS="dd-description"> Matches any local user with a name that
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matches <TT><regexp></TT> on local virtual hosts. Example:
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<PRE CLASS="verbatim">{acl, tests, {user_regexp, "^test[0-9]*$"}}.
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@ -870,6 +870,10 @@ There are some additional global options:
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file containing a SSL certificate.
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\titem{\{domain\_certfile, Domain, Path\}} \ind{options!domain\_certfile}
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Full path to the file containing the SSL certificate for a specific domain.
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\titem{\{outgoing\_s2s\_options, Methods, Timeout\}} \ind{options!outgoing\_s2s\_options}
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Specify which address families to try, in what order, and connect timeout in milliseconds.
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By default it first tries connecting with IPv4, if that fails it tries using IPv6,
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with a timeout of 10000 milliseconds.
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\titem{\{s2s\_default\_policy, allow|deny\}}
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The default policy for incoming and outgoing s2s connections to other Jabber servers.
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The default value is \term{allow}.
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@ -186,6 +186,13 @@
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%%{{s2s_host, "goodhost.org"}, allow}.
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%%{{s2s_host, "badhost.org"}, deny}.
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%%
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%% Outgoing S2S options
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%%
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%% Preferred address families (which to try first) and connect timeout
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%% in milliseconds.
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%%
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%%{outgoing_s2s_options, [ipv4, ipv6], 10000}.
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%%% ==============
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%%% AUTHENTICATION
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@ -330,6 +330,8 @@ process_term(Term, State) ->
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add_option(language, Val, State);
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{outgoing_s2s_port, Port} ->
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add_option(outgoing_s2s_port, Port, State);
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{outgoing_s2s_options, Methods, Timeout} ->
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add_option(outgoing_s2s_options, {Methods, Timeout}, State);
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{s2s_use_starttls, Port} ->
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add_option(s2s_use_starttls, Port, State);
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{s2s_certfile, CertFile} ->
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@ -119,6 +119,8 @@
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-define(INVALID_XML_ERR,
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xml:element_to_string(?SERR_XML_NOT_WELL_FORMED)).
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-define(SOCKET_DEFAULT_RESULT, {error, badarg}).
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%%%----------------------------------------------------------------------
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%%% API
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%%%----------------------------------------------------------------------
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@ -206,7 +208,7 @@ open_socket(init, StateData) ->
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_ ->
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open_socket1(Addr, Port)
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end
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end, {error, badarg}, AddrList) of
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end, ?SOCKET_DEFAULT_RESULT, AddrList) of
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{ok, Socket} ->
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Version = if
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StateData#state.use_v10 ->
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@ -239,34 +241,40 @@ open_socket(_, StateData) ->
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{next_state, open_socket, StateData}.
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%%----------------------------------------------------------------------
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open_socket1(Addr, Port) ->
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?DEBUG("s2s_out: connecting to ~s:~p~n", [Addr, Port]),
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Res = case catch ejabberd_socket:connect(
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Addr, Port,
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[binary, {packet, 0},
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{active, false}]) of
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{ok, _Socket} = R -> R;
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{error, Reason1} ->
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?DEBUG("s2s_out: connect return ~p~n", [Reason1]),
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catch ejabberd_socket:connect(
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Addr, Port,
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[binary, {packet, 0},
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{active, false}, inet6]);
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{'EXIT', Reason1} ->
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?DEBUG("s2s_out: connect crashed ~p~n", [Reason1]),
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catch ejabberd_socket:connect(
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Addr, Port,
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[binary, {packet, 0},
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{active, false}, inet6])
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end,
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case Res of
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{ok, Socket} ->
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{ok, Socket};
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{error, Reason} ->
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?DEBUG("s2s_out: inet6 connect return ~p~n", [Reason]),
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{error, Reason};
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%% IPv4
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open_socket1({_,_,_,_} = Addr, Port) ->
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open_socket2(inet, Addr, Port);
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%% IPv6
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open_socket1({_,_,_,_,_,_,_,_} = Addr, Port) ->
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open_socket2(inet6, Addr, Port);
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%% Hostname
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open_socket1(Host, Port) ->
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lists:foldl(fun(_Family, {ok, _Socket} = R) ->
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R;
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(Family, _) ->
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Addrs = get_addrs(Host, Family),
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lists:foldl(fun(_Addr, {ok, _Socket} = R) ->
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R;
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(Addr, _) ->
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open_socket1(Addr, Port)
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end, ?SOCKET_DEFAULT_RESULT, Addrs)
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end, ?SOCKET_DEFAULT_RESULT, outgoing_s2s_families()).
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open_socket2(Type, Addr, Port) ->
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?DEBUG("s2s_out: connecting to ~p:~p~n", [Addr, Port]),
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Timeout = outgoing_s2s_timeout(),
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case (catch ejabberd_socket:connect(Addr, Port,
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[binary, {packet, 0},
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{active, false}, Type],
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Timeout)) of
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{ok, _Socket} = R -> R;
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{error, Reason} = R ->
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?DEBUG("s2s_out: connect return ~p~n", [Reason]),
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R;
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{'EXIT', Reason} ->
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?DEBUG("s2s_out: inet6 connect crashed ~p~n", [Reason]),
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?DEBUG("s2s_out: connect crashed ~p~n", [Reason]),
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{error, Reason}
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end.
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@ -1000,6 +1008,23 @@ test_get_addr_port(Server) ->
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end
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end, [], lists:seq(1, 100000)).
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get_addrs(Host, Family) ->
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Type = case Family of
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inet4 -> a;
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ipv4 -> a;
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inet6 -> aaaa;
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ipv6 -> aaaa
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end,
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case inet_res:getbyname(Host, Type) of
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{ok, #hostent{h_addr_list = Addrs}} ->
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?DEBUG("~s of ~s resolved to: ~p~n", [Type, Host, Addrs]),
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Addrs;
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{error, Reason} ->
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?DEBUG("~s lookup of '~s' failed: ~p~n", [Type, Host, Reason]),
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[]
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end.
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outgoing_s2s_port() ->
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case ejabberd_config:get_local_option(outgoing_s2s_port) of
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Port when is_integer(Port) ->
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@ -1008,6 +1033,36 @@ outgoing_s2s_port() ->
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5269
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end.
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outgoing_s2s_families() ->
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case ejabberd_config:get_local_option(outgoing_s2s_options) of
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{Families, _} when is_list(Families) ->
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Families;
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undefined ->
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%% DISCUSSION: Why prefer IPv4 first?
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%%
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%% IPv4 connectivity will be available for everyone for
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%% many years to come. So, there's absolutely no benefit
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%% in preferring IPv6 connections which are flaky at best
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%% nowadays.
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%%
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%% On the other hand content providers hesitate putting up
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%% AAAA records for their sites due to the mentioned
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%% quality of current IPv6 connectivity. Making IPv6 the a
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%% `fallback' may avoid these problems elegantly.
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[ipv4, ipv6]
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end.
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outgoing_s2s_timeout() ->
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case ejabberd_config:get_local_option(outgoing_s2s_options) of
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{_, Timeout} when is_integer(Timeout) ->
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Timeout;
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{_, infinity} ->
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infinity;
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undefined ->
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%% 10 seconds
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10000
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end.
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%% Human readable S2S logging: Log only new outgoing connections as INFO
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%% Do not log dialback
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log_s2s_out(false, _, _) -> ok;
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@ -30,6 +30,7 @@
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%% API
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-export([start/4,
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connect/3,
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connect/4,
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starttls/2,
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starttls/3,
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compress/1,
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@ -94,7 +95,10 @@ start(Module, SockMod, Socket, Opts) ->
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end.
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connect(Addr, Port, Opts) ->
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case gen_tcp:connect(Addr, Port, Opts) of
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connect(Addr, Port, Opts, infinity).
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connect(Addr, Port, Opts, Timeout) ->
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case gen_tcp:connect(Addr, Port, Opts, Timeout) of
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{ok, Socket} ->
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Receiver = ejabberd_receiver:start(Socket, gen_tcp, none),
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SocketData = #socket_state{sockmod = gen_tcp,
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