--- a/src/network.c Mon Apr 16 00:43:53 2007 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,374 +0,0 @@
-/**
- * @file network.c Network Implementation
- * @ingroup core
- *
- * gaim
- *
- * Gaim 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include "internal.h"
-
-#include "debug.h"
-#include "account.h"
-#include "network.h"
-#include "prefs.h"
-#include "stun.h"
-#include "upnp.h"
-
-typedef struct {
- int listenfd;
- int socket_type;
- gboolean retry;
- gboolean adding;
- GaimNetworkListenCallback cb;
- gpointer cb_data;
-} ListenUPnPData;
-
-const unsigned char *
-gaim_network_ip_atoi(const char *ip)
-{
- static unsigned char ret[4];
- gchar *delimiter = ".";
- gchar **split;
- int i;
-
- g_return_val_if_fail(ip != NULL, NULL);
-
- split = g_strsplit(ip, delimiter, 4);
- for (i = 0; split[i] != NULL; i++)
- ret[i] = atoi(split[i]);
- g_strfreev(split);
-
- /* i should always be 4 */
- if (i != 4)
- return NULL;
-
- return ret;
-}
-
-void
-gaim_network_set_public_ip(const char *ip)
-{
- g_return_if_fail(ip != NULL);
-
- /* XXX - Ensure the IP address is valid */
-
- gaim_prefs_set_string("/core/network/public_ip", ip);
-}
-
-const char *
-gaim_network_get_public_ip(void)
-{
- const char *ip;
- GaimStunNatDiscovery *stun;
-
- ip = gaim_prefs_get_string("/core/network/public_ip");
-
- if (ip == NULL || *ip == '\0') {
- /* Check if STUN discovery was already done */
- stun = gaim_stun_discover(NULL);
- if (stun != NULL && stun->status == GAIM_STUN_STATUS_DISCOVERED)
- return stun->publicip;
- return NULL;
- }
-
- return ip;
-}
-
-static const char *
-gaim_network_get_local_ip_from_fd(int fd)
-{
- struct sockaddr_in addr;
- socklen_t len;
- static char ip[16];
- const char *tmp;
-
- g_return_val_if_fail(fd >= 0, NULL);
-
- len = sizeof(addr);
- if (getsockname(fd, (struct sockaddr *) &addr, &len) == -1) {
- gaim_debug_warning("network", "getsockname: %s\n", strerror(errno));
- return NULL;
- }
-
- tmp = inet_ntoa(addr.sin_addr);
- strncpy(ip, tmp, sizeof(ip));
-
- return ip;
-}
-
-const char *
-gaim_network_get_local_system_ip(int fd)
-{
- struct hostent *host;
- char localhost[129];
- long unsigned add;
- static char ip[46];
- const char *tmp = NULL;
-
- if (fd >= 0)
- tmp = gaim_network_get_local_ip_from_fd(fd);
-
- if (tmp)
- return tmp;
-
- if (gethostname(localhost, 128) < 0)
- return NULL;
-
- if ((host = gethostbyname(localhost)) == NULL)
- return NULL;
-
- memcpy(&add, host->h_addr_list[0], 4);
- add = htonl(add);
-
- g_snprintf(ip, 16, "%lu.%lu.%lu.%lu",
- ((add >> 24) & 255),
- ((add >> 16) & 255),
- ((add >> 8) & 255),
- add & 255);
-
- return ip;
-}
-
-const char *
-gaim_network_get_my_ip(int fd)
-{
- const char *ip = NULL;
- GaimStunNatDiscovery *stun;
-
- /* Check if the user specified an IP manually */
- if (!gaim_prefs_get_bool("/core/network/auto_ip")) {
- ip = gaim_network_get_public_ip();
- if (ip != NULL)
- return ip;
- }
-
- if (ip == NULL || *ip == '\0') {
- /* Check if STUN discovery was already done */
- stun = gaim_stun_discover(NULL);
- if (stun != NULL && stun->status == GAIM_STUN_STATUS_DISCOVERED)
- return stun->publicip;
-
- /* attempt to get the ip from a NAT device */
- ip = gaim_upnp_get_public_ip();
-
- if (ip != NULL)
- return ip;
- }
-
- /* Just fetch the IP of the local system */
- return gaim_network_get_local_system_ip(fd);
-}
-
-
-static void
-gaim_network_set_upnp_port_mapping_cb(gboolean success, gpointer data)
-{
- ListenUPnPData *ldata = data;
-
- if (!success) {
- gaim_debug_warning("network", "Couldn't create UPnP mapping for...\n");
- if (ldata->retry) {
- ldata->retry = FALSE;
- ldata->adding = FALSE;
- gaim_upnp_remove_port_mapping(
- gaim_network_get_port_from_fd(ldata->listenfd),
- (ldata->socket_type == SOCK_STREAM) ? "TCP" : "UDP",
- gaim_network_set_upnp_port_mapping_cb, ldata);
- return;
- }
- } else if (!ldata->adding) {
- /* We've tried successfully to remove the port mapping.
- * Try to add it again */
- ldata->adding = TRUE;
- gaim_upnp_set_port_mapping(
- gaim_network_get_port_from_fd(ldata->listenfd),
- (ldata->socket_type == SOCK_STREAM) ? "TCP" : "UDP",
- gaim_network_set_upnp_port_mapping_cb, ldata);
- return;
- }
-
- if (ldata->cb)
- ldata->cb(ldata->listenfd, ldata->cb_data);
-
- g_free(ldata);
-}
-
-
-static gboolean
-gaim_network_do_listen(unsigned short port, int socket_type, GaimNetworkListenCallback cb, gpointer cb_data)
-{
- int listenfd = -1;
- const int on = 1;
- ListenUPnPData *ld;
-#if HAVE_GETADDRINFO
- int errnum;
- struct addrinfo hints, *res, *next;
- char serv[6];
-
- /*
- * Get a list of addresses on this machine.
- */
- snprintf(serv, sizeof(serv), "%hu", port);
- memset(&hints, 0, sizeof(struct addrinfo));
- hints.ai_flags = AI_PASSIVE;
- hints.ai_family = AF_UNSPEC;
- hints.ai_socktype = socket_type;
- errnum = getaddrinfo(NULL /* any IP */, serv, &hints, &res);
- if (errnum != 0) {
-#ifndef _WIN32
- gaim_debug_warning("network", "getaddrinfo: %s\n", gai_strerror(errnum));
- if (errnum == EAI_SYSTEM)
- gaim_debug_warning("network", "getaddrinfo: system error: %s\n", strerror(errno));
-#else
- gaim_debug_warning("network", "getaddrinfo: Error Code = %d\n", errnum);
-#endif
- return FALSE;
- }
-
- /*
- * Go through the list of addresses and attempt to listen on
- * one of them.
- * XXX - Try IPv6 addresses first?
- */
- for (next = res; next != NULL; next = next->ai_next) {
- listenfd = socket(next->ai_family, next->ai_socktype, next->ai_protocol);
- if (listenfd < 0)
- continue;
- if (setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) != 0)
- gaim_debug_warning("network", "setsockopt: %s\n", strerror(errno));
- if (bind(listenfd, next->ai_addr, next->ai_addrlen) == 0)
- break; /* success */
- /* XXX - It is unclear to me (datallah) whether we need to be
- using a new socket each time */
- close(listenfd);
- }
-
- freeaddrinfo(res);
-
- if (next == NULL)
- return FALSE;
-#else
- struct sockaddr_in sockin;
-
- if ((listenfd = socket(AF_INET, socket_type, 0)) < 0) {
- gaim_debug_warning("network", "socket: %s\n", strerror(errno));
- return FALSE;
- }
-
- if (setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) != 0)
- gaim_debug_warning("network", "setsockopt: %s\n", strerror(errno));
-
- memset(&sockin, 0, sizeof(struct sockaddr_in));
- sockin.sin_family = PF_INET;
- sockin.sin_port = htons(port);
-
- if (bind(listenfd, (struct sockaddr *)&sockin, sizeof(struct sockaddr_in)) != 0) {
- gaim_debug_warning("network", "bind: %s\n", strerror(errno));
- close(listenfd);
- return FALSE;
- }
-#endif
-
- if (socket_type == SOCK_STREAM && listen(listenfd, 4) != 0) {
- gaim_debug_warning("network", "listen: %s\n", strerror(errno));
- close(listenfd);
- return FALSE;
- }
- fcntl(listenfd, F_SETFL, O_NONBLOCK);
-
- gaim_debug_info("network", "Listening on port: %hu\n", gaim_network_get_port_from_fd(listenfd));
-
- ld = g_new0(ListenUPnPData, 1);
- ld->listenfd = listenfd;
- ld->adding = TRUE;
- ld->retry = TRUE;
- ld->cb = cb;
- ld->cb_data = cb_data;
-
- gaim_upnp_set_port_mapping(
- gaim_network_get_port_from_fd(listenfd),
- (socket_type == SOCK_STREAM) ? "TCP" : "UDP",
- gaim_network_set_upnp_port_mapping_cb, ld);
-
- return TRUE;
-}
-
-gboolean
-gaim_network_listen(unsigned short port, int socket_type,
- GaimNetworkListenCallback cb, gpointer cb_data)
-{
- g_return_val_if_fail(port != 0, -1);
-
- return gaim_network_do_listen(port, socket_type, cb, cb_data);
-}
-
-gboolean
-gaim_network_listen_range(unsigned short start, unsigned short end,
- int socket_type, GaimNetworkListenCallback cb, gpointer cb_data)
-{
- gboolean ret = FALSE;
-
- if (gaim_prefs_get_bool("/core/network/ports_range_use")) {
- start = gaim_prefs_get_int("/core/network/ports_range_start");
- end = gaim_prefs_get_int("/core/network/ports_range_end");
- } else {
- if (end < start)
- end = start;
- }
-
- for (; start <= end; start++) {
- ret = gaim_network_do_listen(start, socket_type, cb, cb_data);
- if (ret)
- break;
- }
-
- return ret;
-}
-
-unsigned short
-gaim_network_get_port_from_fd(int fd)
-{
- struct sockaddr_in addr;
- socklen_t len;
-
- g_return_val_if_fail(fd >= 0, 0);
-
- len = sizeof(addr);
- if (getsockname(fd, (struct sockaddr *) &addr, &len) == -1) {
- gaim_debug_warning("network", "getsockname: %s\n", strerror(errno));
- return 0;
- }
-
- return ntohs(addr.sin_port);
-}
-
-void
-gaim_network_init(void)
-{
- gaim_prefs_add_none ("/core/network");
- gaim_prefs_add_bool ("/core/network/auto_ip", TRUE);
- gaim_prefs_add_string("/core/network/public_ip", "");
- gaim_prefs_add_bool ("/core/network/ports_range_use", FALSE);
- gaim_prefs_add_int ("/core/network/ports_range_start", 1024);
- gaim_prefs_add_int ("/core/network/ports_range_end", 2048);
-
- gaim_upnp_discover(NULL, NULL);
-}