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closing merged branch
port-changes-from-branch-2.x.y-to-default
2020-02-03, Gary Kramlich
2f836435c33c
closing merged branch
/**
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include
"internal.h"
#include
"debug.h"
#include
"jingleinfo.h"
#include
<gio/gio.h>
static
void
jabber_google_stun_lookup_cb
(
GObject
*
sender
,
GAsyncResult
*
result
,
gpointer
data
)
{
GError
*
error
=
NULL
;
GList
*
addresses
=
NULL
;
JabberStream
*
js
=
(
JabberStream
*
)
data
;
addresses
=
g_resolver_lookup_by_name_finish
(
G_RESOLVER
(
sender
),
result
,
&
error
);
if
(
error
)
{
purple_debug_error
(
"jabber"
,
"Google STUN lookup failed: %s
\n
"
,
error
->
message
);
g_error_free
(
error
);
return
;
}
if
(
g_list_length
(
addresses
)
>
0
)
{
GInetAddress
*
inet_address
=
G_INET_ADDRESS
(
addresses
->
data
);
g_free
(
js
->
stun_ip
);
js
->
stun_ip
=
g_inet_address_to_string
(
inet_address
);
purple_debug_info
(
"jabber"
,
"set Google STUN IP/port address: "
"%s:%d
\n
"
,
js
->
stun_ip
,
js
->
stun_port
);
}
g_resolver_free_addresses
(
addresses
);
}
static
void
jabber_google_jingle_info_common
(
JabberStream
*
js
,
const
char
*
from
,
JabberIqType
type
,
PurpleXmlNode
*
query
)
{
const
PurpleXmlNode
*
stun
=
purple_xmlnode_get_child
(
query
,
"stun"
);
const
PurpleXmlNode
*
relay
=
purple_xmlnode_get_child
(
query
,
"relay"
);
gchar
*
my_bare_jid
;
/*
* Make sure that random people aren't sending us STUN servers. Per
* https://developers.google.com/talk/jep_extensions/jingleinfo, these
* stanzas are stamped from our bare JID.
*/
if
(
from
)
{
my_bare_jid
=
g_strdup_printf
(
"%s@%s"
,
js
->
user
->
node
,
js
->
user
->
domain
);
if
(
!
purple_strequal
(
from
,
my_bare_jid
))
{
purple_debug_warning
(
"jabber"
,
"got google:jingleinfo with invalid from (%s)
\n
"
,
from
);
g_free
(
my_bare_jid
);
return
;
}
g_free
(
my_bare_jid
);
}
if
(
type
==
JABBER_IQ_ERROR
||
type
==
JABBER_IQ_GET
)
return
;
purple_debug_info
(
"jabber"
,
"got google:jingleinfo
\n
"
);
if
(
stun
)
{
PurpleXmlNode
*
server
=
purple_xmlnode_get_child
(
stun
,
"server"
);
if
(
server
)
{
const
gchar
*
host
=
purple_xmlnode_get_attrib
(
server
,
"host"
);
const
gchar
*
udp
=
purple_xmlnode_get_attrib
(
server
,
"udp"
);
if
(
host
&&
udp
)
{
GResolver
*
resolver
=
g_resolver_get_default
();
js
->
stun_port
=
atoi
(
udp
);
g_resolver_lookup_by_name_async
(
resolver
,
host
,
NULL
,
jabber_google_stun_lookup_cb
,
js
);
g_object_unref
(
resolver
);
}
}
}
if
(
relay
)
{
PurpleXmlNode
*
token
=
purple_xmlnode_get_child
(
relay
,
"token"
);
PurpleXmlNode
*
server
=
purple_xmlnode_get_child
(
relay
,
"server"
);
if
(
token
)
{
gchar
*
relay_token
=
purple_xmlnode_get_data
(
token
);
/* we let js own the string returned from purple_xmlnode_get_data */
js
->
google_relay_token
=
relay_token
;
}
if
(
server
)
{
js
->
google_relay_host
=
g_strdup
(
purple_xmlnode_get_attrib
(
server
,
"host"
));
}
}
}
static
void
jabber_google_jingle_info_cb
(
JabberStream
*
js
,
const
char
*
from
,
JabberIqType
type
,
const
char
*
id
,
PurpleXmlNode
*
packet
,
gpointer
data
)
{
PurpleXmlNode
*
query
=
purple_xmlnode_get_child_with_namespace
(
packet
,
"query"
,
NS_GOOGLE_JINGLE_INFO
);
if
(
query
)
jabber_google_jingle_info_common
(
js
,
from
,
type
,
query
);
else
purple_debug_warning
(
"jabber"
,
"Got invalid google:jingleinfo
\n
"
);
}
void
jabber_google_handle_jingle_info
(
JabberStream
*
js
,
const
char
*
from
,
JabberIqType
type
,
const
char
*
id
,
PurpleXmlNode
*
child
)
{
jabber_google_jingle_info_common
(
js
,
from
,
type
,
child
);
}
void
jabber_google_send_jingle_info
(
JabberStream
*
js
)
{
JabberIq
*
jingle_info
=
jabber_iq_new_query
(
js
,
JABBER_IQ_GET
,
NS_GOOGLE_JINGLE_INFO
);
jabber_iq_set_callback
(
jingle_info
,
jabber_google_jingle_info_cb
,
NULL
);
purple_debug_info
(
"jabber"
,
"sending google:jingleinfo query
\n
"
);
jabber_iq_send
(
jingle_info
);
}