--- /dev/null
+/*
+ *
+ * Connection Manager
+ *
+ * Copyright (C) 2007-2008 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 <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <net/ethernet.h>
+#include <linux/if_arp.h>
+#include <linux/wireless.h>
+
+#include <connman/device.h>
+#include <connman/rtnl.h>
+#include <connman/log.h>
+
+#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;
+ struct connman_device *device;
+ gchar *name, *devname;
+
+ DBG("index %d", index);
+
+ device = find_device(index);
+ if (device != NULL)
+ return;
+
+ devname = index2name(index);
+
+ 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_UNKNOWN;
+ else
+ devtype = CONNMAN_DEVICE_TYPE_ETHERNET;
+
+ close(sk);
+ }
+
+ if (devtype == CONNMAN_DEVICE_TYPE_UNKNOWN) {
+ g_free(devname);
+ return;
+ }
+
+ name = index2ident(index, "dev_");
+
+ device = connman_device_create(name, devtype);
+ if (device == NULL) {
+ g_free(devname);
+ g_free(name);
+ return;
+ }
+
+ 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("index %d", 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;
+}
projects / connman / commitdiff