src/purple/purple-network.c

   1 /**
   2  * @file purple-network.c
   3  *
   4  * pidgin-sipe
   5  *
   6  * Copyright (C) 2010 SIPE Project <http://sipe.sourceforge.net/>
   7  *
   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.
  12  *
  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.
  17  *
  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
  21  */
  22
  23 #include "glib.h"
  24 #include "network.h"
  25 #include "eventloop.h"
  26
  27 #ifdef _WIN32
  28 /* for network */
  29 #include "win32/libc_interface.h"
  30 #include <nspapi.h>
  31 #else
  32 #include <sys/types.h>
  33 #include <sys/socket.h>
  34 #include <netinet/in.h>
  35 #include <net/if.h>
  36 #include <arpa/inet.h>
  37 #ifdef HAVE_SYS_SOCKIO_H
  38 #include <sys/sockio.h> /* SIOCGIFCONF for Solaris */
  39 #endif
  40 #endif
  41
  42 #include <unistd.h>
  43
  44 #include "sipe-common.h"
  45 #include "sipe-backend.h"
  46
  47 const gchar *sipe_backend_network_ip_address(void)
  48 {
  49         return purple_network_get_my_ip(-1);
  50 }
  51
  52 struct sipe_backend_listendata {
  53         sipe_listen_start_cb listen_cb;
  54         sipe_client_connected_cb connect_cb;
  55
  56         PurpleNetworkListenData *listener;
  57         int watcher;
  58
  59         int listenfd;
  60         gpointer data;
  61 };
  62
  63 static void
  64 client_connected_cb(struct sipe_backend_listendata *ldata, gint listenfd,
  65                     SIPE_UNUSED_PARAMETER PurpleInputCondition cond)
  66 {
  67         struct sockaddr_in saddr;
  68         socklen_t slen = sizeof (saddr);
  69
  70         int fd = accept(listenfd, (struct sockaddr*)&saddr, &slen);
  71
  72         purple_input_remove(ldata->watcher);
  73         ldata->watcher = 0;
  74         close(listenfd);
  75         ldata->listenfd = -1;
  76
  77         if (ldata->connect_cb)
  78                 ldata->connect_cb(fd, ldata->data);
  79
  80         g_free(ldata);
  81 }
  82
  83 static void
  84 backend_listen_cb(int listenfd, struct sipe_backend_listendata *ldata)
  85 {
  86         struct sockaddr_in addr;
  87         socklen_t socklen = sizeof (addr);
  88
  89         ldata->listenfd = -1;
  90         ldata->listener = NULL;
  91         ldata->listenfd = listenfd;
  92
  93         getsockname(listenfd, (struct sockaddr*)&addr, &socklen);
  94         if (ldata->listen_cb)
  95                 ldata->listen_cb(ntohs(addr.sin_port), ldata->data);
  96
  97         ldata->watcher = purple_input_add(listenfd, PURPLE_INPUT_READ,
  98                                           (PurpleInputFunction)client_connected_cb,
  99                                           ldata);
 100 }
 101
 102 struct sipe_backend_listendata *
 103 sipe_backend_network_listen_range(unsigned short port_min,
 104                                   unsigned short port_max,
 105                                   sipe_listen_start_cb listen_cb,
 106                                   sipe_client_connected_cb connect_cb,
 107                                   gpointer data)
 108 {
 109         struct sipe_backend_listendata *ldata;
 110         ldata = g_new0(struct sipe_backend_listendata, 1);
 111
 112         ldata->listen_cb = listen_cb;
 113         ldata->connect_cb = connect_cb;
 114         ldata->data = data;
 115         ldata->listener = purple_network_listen_range(port_min, port_max,
 116                                                       SOCK_STREAM,
 117                                                       (PurpleNetworkListenCallback)backend_listen_cb,
 118                                                       ldata);
 119
 120         if (!ldata->listener) {
 121                 g_free(ldata);
 122                 return NULL;
 123         }
 124
 125         return ldata;
 126 }
 127
 128 void sipe_backend_network_listen_cancel(struct sipe_backend_listendata *ldata)
 129 {
 130         g_return_if_fail(ldata);
 131
 132         if (ldata->listener)
 133                 purple_network_listen_cancel(ldata->listener);
 134         if (ldata->listenfd)
 135                 close(ldata->listenfd);
 136         g_free(ldata);
 137 }
 138
 139 /*
 140   Local Variables:
 141   mode: c
 142   c-file-style: "bsd"
 143   indent-tabs-mode: t
 144   tab-width: 8
 145   End:
 146 */