/* * * Connection Manager * * Copyright (C) 2007-2009 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * 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 St, Fifth Floor, Boston, MA 02110-1301 USA * */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include "connman.h" static GSList *device_list = NULL; static struct connman_device *find_device(int index) { GSList *list; for (list = device_list; list; list = list->next) { struct connman_device *device = list->data; if (connman_device_get_index(device) == index) return device; } return NULL; } static char *index2name(int index) { struct ifreq ifr; int sk, err; if (index < 0) return NULL; sk = socket(PF_INET, SOCK_DGRAM, 0); if (sk < 0) return NULL; memset(&ifr, 0, sizeof(ifr)); ifr.ifr_ifindex = index; err = ioctl(sk, SIOCGIFNAME, &ifr); close(sk); if (err < 0) return NULL; return strdup(ifr.ifr_name); } static char *index2ident(int index, const char *prefix) { struct ifreq ifr; struct ether_addr *eth; char *str; int sk, err, len; if (index < 0) return NULL; sk = socket(PF_INET, SOCK_DGRAM, 0); if (sk < 0) return NULL; memset(&ifr, 0, sizeof(ifr)); ifr.ifr_ifindex = index; err = ioctl(sk, SIOCGIFNAME, &ifr); if (err == 0) err = ioctl(sk, SIOCGIFHWADDR, &ifr); close(sk); if (err < 0) return NULL; len = prefix ? strlen(prefix) + 18 : 18; str = malloc(len); if (!str) return NULL; eth = (void *) &ifr.ifr_hwaddr.sa_data; snprintf(str, len, "%s%02X_%02X_%02X_%02X_%02X_%02X", prefix ? prefix : "", eth->ether_addr_octet[0], eth->ether_addr_octet[1], eth->ether_addr_octet[2], eth->ether_addr_octet[3], eth->ether_addr_octet[4], eth->ether_addr_octet[5]); return str; } static void detect_newlink(unsigned short type, int index, unsigned flags, unsigned change) { enum connman_device_type devtype = CONNMAN_DEVICE_TYPE_UNKNOWN; enum connman_device_mode mode = CONNMAN_DEVICE_MODE_UNKNOWN; struct connman_device *device; gchar *name, *devname; DBG("type %d index %d", type, index); device = find_device(index); if (device != NULL) return; devname = index2name(index); if (devname == NULL) return; if (type == ARPHRD_ETHER) { char bridge_path[PATH_MAX], wimax_path[PATH_MAX]; struct stat st; struct iwreq iwr; int sk; snprintf(bridge_path, PATH_MAX, "/sys/class/net/%s/bridge", devname); snprintf(wimax_path, PATH_MAX, "/sys/class/net/%s/wimax", devname); memset(&iwr, 0, sizeof(iwr)); strncpy(iwr.ifr_ifrn.ifrn_name, devname, IFNAMSIZ); sk = socket(PF_INET, SOCK_DGRAM, 0); if (g_str_has_prefix(devname, "bnep") == TRUE) devtype = CONNMAN_DEVICE_TYPE_UNKNOWN; else if (stat(bridge_path, &st) == 0 && (st.st_mode & S_IFDIR)) devtype = CONNMAN_DEVICE_TYPE_UNKNOWN; else if (stat(wimax_path, &st) == 0 && (st.st_mode & S_IFDIR)) devtype = CONNMAN_DEVICE_TYPE_WIMAX; else if (ioctl(sk, SIOCGIWNAME, &iwr) == 0) devtype = CONNMAN_DEVICE_TYPE_WIFI; else devtype = CONNMAN_DEVICE_TYPE_ETHERNET; close(sk); } else if (type == ARPHRD_NONE) { if (g_str_has_prefix(devname, "hso") == TRUE) devtype = CONNMAN_DEVICE_TYPE_HSO; } switch (devtype) { case CONNMAN_DEVICE_TYPE_UNKNOWN: g_free(devname); return; case CONNMAN_DEVICE_TYPE_ETHERNET: case CONNMAN_DEVICE_TYPE_WIFI: case CONNMAN_DEVICE_TYPE_WIMAX: name = index2ident(index, "dev_"); break; case CONNMAN_DEVICE_TYPE_BLUETOOTH: case CONNMAN_DEVICE_TYPE_HSO: case CONNMAN_DEVICE_TYPE_NOZOMI: case CONNMAN_DEVICE_TYPE_HUAWEI: case CONNMAN_DEVICE_TYPE_NOVATEL: case CONNMAN_DEVICE_TYPE_VENDOR: name = strdup(devname); break; } device = connman_device_create(name, devtype); if (device == NULL) { g_free(devname); g_free(name); return; } switch (devtype) { case CONNMAN_DEVICE_TYPE_UNKNOWN: case CONNMAN_DEVICE_TYPE_VENDOR: case CONNMAN_DEVICE_TYPE_NOZOMI: case CONNMAN_DEVICE_TYPE_HUAWEI: case CONNMAN_DEVICE_TYPE_NOVATEL: mode = CONNMAN_DEVICE_MODE_UNKNOWN; break; case CONNMAN_DEVICE_TYPE_ETHERNET: mode = CONNMAN_DEVICE_MODE_TRANSPORT_IP; break; case CONNMAN_DEVICE_TYPE_WIFI: case CONNMAN_DEVICE_TYPE_WIMAX: mode = CONNMAN_DEVICE_MODE_NETWORK_SINGLE; break; case CONNMAN_DEVICE_TYPE_BLUETOOTH: mode = CONNMAN_DEVICE_MODE_NETWORK_MULTIPLE; break; case CONNMAN_DEVICE_TYPE_HSO: mode = CONNMAN_DEVICE_MODE_NETWORK_SINGLE; connman_device_set_policy(device, CONNMAN_DEVICE_POLICY_MANUAL); break; } connman_device_set_mode(device, mode); connman_device_set_index(device, index); connman_device_set_interface(device, devname); g_free(devname); g_free(name); if (connman_device_register(device) < 0) { connman_device_unref(device); return; } device_list = g_slist_append(device_list, device); } static void detect_dellink(unsigned short type, int index, unsigned flags, unsigned change) { struct connman_device *device; DBG("type %d index %d", type, index); device = find_device(index); if (device == NULL) return; device_list = g_slist_remove(device_list, device); connman_device_unregister(device); connman_device_unref(device); } static struct connman_rtnl detect_rtnl = { .name = "detect", .priority = CONNMAN_RTNL_PRIORITY_LOW, .newlink = detect_newlink, .dellink = detect_dellink, }; int __connman_detect_init(void) { int err; err = connman_rtnl_register(&detect_rtnl); if (err < 0) return err; connman_rtnl_send_getlink(); return 0; } void __connman_detect_cleanup(void) { GSList *list; connman_rtnl_unregister(&detect_rtnl); for (list = device_list; list; list = list->next) { struct connman_device *device = list->data; connman_device_unregister(device); connman_device_unref(device); } g_slist_free(device_list); device_list = NULL; }