2 * @file purple-dnsquery.c
6 * Copyright (C) 2010-12 SIPE Project <http://sipe.sourceforge.net/>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 /* wrappers for write() & friends for socket handling */
25 #include "win32/win32dep.h"
28 #include <sys/types.h>
29 #include <sys/socket.h>
30 #include <netinet/in.h>
31 #include <arpa/inet.h>
40 #include "sipe-common.h"
41 #include "sipe-backend.h"
42 #include "sipe-core.h"
44 #include "purple-private.h"
46 struct sipe_dns_query
{
51 sipe_dns_resolved_cb callback
;
53 gpointer purple_query_data
;
56 static void dns_a_response(GSList
*hosts
,
57 struct sipe_dns_query
*query
,
58 const char *error_message
)
60 char ipstr
[INET6_ADDRSTRLEN
];
61 struct sockaddr
*addr
;
65 if (error_message
|| !g_slist_next(hosts
)) {
66 query
->callback(query
->extradata
, NULL
, 0);
71 addr
= g_slist_next(hosts
)->data
;
72 if (addr
->sa_family
== AF_INET6
) {
73 /* OS provides addr so it must be properly aligned */
74 struct sockaddr_in6
*sin6
= (void *) addr
;
75 addrdata
= &sin6
->sin6_addr
;
76 port
= sin6
->sin6_port
;
78 /* OS provides addr so it must be properly aligned */
79 struct sockaddr_in
*sin
= (void *) addr
;
80 addrdata
= &sin
->sin_addr
;
84 inet_ntop(addr
->sa_family
, addrdata
, ipstr
, sizeof (ipstr
));
86 query
->callback(query
->extradata
, ipstr
, port
);
88 for (; hosts
; hosts
= g_slist_delete_link(hosts
, hosts
)) {
89 // Free the addrlen, no data in this link
90 hosts
= g_slist_delete_link(hosts
, hosts
);
98 struct sipe_dns_query
*sipe_backend_dns_query_a(SIPE_UNUSED_PARAMETER
struct sipe_core_public
*sipe_public
,
99 const gchar
*hostname
,
101 sipe_dns_resolved_cb callback
,
104 struct sipe_dns_query
*query
= g_new(struct sipe_dns_query
, 1);
105 #if PURPLE_VERSION_CHECK(3,0,0)
106 struct sipe_backend_private
*purple_private
= sipe_public
->backend_private
;
110 query
->callback
= callback
;
111 query
->extradata
= data
;
112 query
->purple_query_data
= purple_dnsquery_a(
113 #if PURPLE_VERSION_CHECK(3,0,0)
114 purple_private
->account
,
118 (PurpleDnsQueryConnectFunction
) dns_a_response
,
125 static void dns_srv_response(PurpleSrvResponse
*resp
,
127 struct sipe_dns_query
*query
)
130 query
->callback(query
->extradata
, resp
->hostname
, resp
->port
);
132 query
->callback(query
->extradata
, NULL
, 0);
138 struct sipe_dns_query
*sipe_backend_dns_query_srv(SIPE_UNUSED_PARAMETER
struct sipe_core_public
*sipe_public
,
139 const gchar
*protocol
,
140 const gchar
*transport
,
142 sipe_dns_resolved_cb callback
,
145 struct sipe_dns_query
*query
= g_new(struct sipe_dns_query
, 1);
146 #if PURPLE_VERSION_CHECK(3,0,0)
147 struct sipe_backend_private
*purple_private
= sipe_public
->backend_private
;
151 query
->callback
= callback
;
152 query
->extradata
= data
;
153 query
->purple_query_data
= purple_srv_resolve(
154 #if PURPLE_VERSION_CHECK(3,0,0)
155 purple_private
->account
,
160 (PurpleSrvCallback
) dns_srv_response
,
166 void sipe_backend_dns_query_cancel(struct sipe_dns_query
*query
)
168 switch (query
->type
) {
170 purple_dnsquery_destroy(query
->purple_query_data
);
173 #if PURPLE_VERSION_CHECK(2,8,0) || PURPLE_VERSION_CHECK(3,0,0)
174 purple_srv_txt_query_destroy(query
->purple_query_data
);
176 purple_srv_cancel(query
->purple_query_data
);