r4886 - in developers/werner: . wlan wlan/connman
werner at docs.openmoko.org
werner at docs.openmoko.org
Wed Jan 14 01:57:39 CET 2009
Author: werner
Date: 2009-01-14 01:57:38 +0100 (Wed, 14 Jan 2009)
New Revision: 4886
Added:
developers/werner/wlan/
developers/werner/wlan/connman/
developers/werner/wlan/connman/Makefile
developers/werner/wlan/connman/detect.c
developers/werner/wlan/connman/rtnl.c
Log:
connman compatibility test.
Added: developers/werner/wlan/connman/Makefile
===================================================================
--- developers/werner/wlan/connman/Makefile (rev 0)
+++ developers/werner/wlan/connman/Makefile 2009-01-14 00:57:38 UTC (rev 4886)
@@ -0,0 +1,15 @@
+CC=arm-angstrom-linux-gnueabi-gcc
+CFLAGS=-Wall -g \
+ -I.. -I../../include \
+ -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include \
+ -I/usr/include/dbus-1.0 -I/usr/lib/dbus-1.0/include
+
+OBJS=detect.o rtnl.o
+
+.PHONY: all
+
+
+all: try
+
+try: $(OBJS)
+ $(CC) -o $@ $(OBJS) -lglib-2.0
Added: developers/werner/wlan/connman/detect.c
===================================================================
--- developers/werner/wlan/connman/detect.c (rev 0)
+++ developers/werner/wlan/connman/detect.c 2009-01-14 00:57:38 UTC (rev 4886)
@@ -0,0 +1,324 @@
+/*
+ *
+ * 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 <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 <glib.h>
+
+#include "connman.h"
+
+#define connman_debug(FMT, ARGS...) fprintf(stderr, FMT "\n", ARGS)
+#define connman_device_get_index(...) 0
+#define connman_device_create(name, devtype) \
+ (fprintf(stderr, "connman_device_create(%s, %d)\n", name, devtype), \
+ (void *) 1)
+#define connman_device_set_policy(...)
+#define connman_device_set_mode(...)
+#define connman_device_set_index(...)
+#define connman_device_set_interface(device, devname) \
+ fprintf(stderr, "connman_device_set_interface(%s)\n", devname)
+#define connman_device_register(...) 0
+#define connman_device_unref(...)
+#define connman_device_unregister(...)
+
+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;
+}
+
+
+int main(void)
+{
+ GMainLoop *loop;
+
+ loop = g_main_loop_new(NULL, TRUE);
+ __connman_rtnl_init();
+ __connman_detect_init();
+ g_main_loop_run(loop);
+ return 0;
+}
Added: developers/werner/wlan/connman/rtnl.c
===================================================================
--- developers/werner/wlan/connman/rtnl.c (rev 0)
+++ developers/werner/wlan/connman/rtnl.c 2009-01-14 00:57:38 UTC (rev 4886)
@@ -0,0 +1,802 @@
+/*
+ *
+ * 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 <config.h>
+#endif
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+
+#include <linux/if.h>
+#include <linux/netlink.h>
+#include <linux/rtnetlink.h>
+
+#include <glib.h>
+
+#include "connman.h"
+
+#define connman_debug(FMT, ARGS...) fprintf(stderr, FMT "\n", ARGS)
+
+struct watch_data {
+ unsigned int id;
+ int index;
+ connman_rtnl_link_cb_t newlink;
+ void *user_data;
+};
+
+static GSList *watch_list = NULL;
+static unsigned int watch_id = 0;
+
+/**
+ * connman_rtnl_add_newlink_watch:
+ * @index: network device index
+ * @callback: callback function
+ * @user_data: callback data;
+ *
+ * Add a new RTNL watch for newlink events
+ *
+ * Returns: %0 on failure and a unique id on success
+ */
+unsigned int connman_rtnl_add_newlink_watch(int index,
+ connman_rtnl_link_cb_t callback, void *user_data)
+{
+ struct watch_data *watch;
+
+ watch = g_try_new0(struct watch_data, 1);
+ if (watch == NULL)
+ return 0;
+
+ watch->id = ++watch_id;
+ watch->index = index;
+
+ watch->newlink = callback;
+ watch->user_data = user_data;
+
+ watch_list = g_slist_prepend(watch_list, watch);
+
+ DBG("id %d", watch->id);
+
+ return watch->id;
+}
+
+/**
+ * connman_rtnl_remove_watch:
+ * @id: watch identifier
+ *
+ * Remove the RTNL watch for the identifier
+ */
+void connman_rtnl_remove_watch(unsigned int id)
+{
+ GSList *list;
+
+ DBG("id %d", id);
+
+ if (id == 0)
+ return;
+
+ for (list = watch_list; list; list = list->next) {
+ struct watch_data *watch = list->data;
+
+ if (watch->id == id) {
+ watch_list = g_slist_remove(watch_list, watch);
+ g_free(watch);
+ break;
+ }
+ }
+}
+
+static GSList *rtnl_list = NULL;
+
+static gint compare_priority(gconstpointer a, gconstpointer b)
+{
+ const struct connman_rtnl *rtnl1 = a;
+ const struct connman_rtnl *rtnl2 = b;
+
+ return rtnl2->priority - rtnl1->priority;
+}
+
+/**
+ * connman_rtnl_register:
+ * @rtnl: RTNL module
+ *
+ * Register a new RTNL module
+ *
+ * Returns: %0 on success
+ */
+int connman_rtnl_register(struct connman_rtnl *rtnl)
+{
+ DBG("rtnl %p name %s", rtnl, rtnl->name);
+
+ rtnl_list = g_slist_insert_sorted(rtnl_list, rtnl,
+ compare_priority);
+
+ return 0;
+}
+
+/**
+ * connman_rtnl_unregister:
+ * @rtnl: RTNL module
+ *
+ * Remove a previously registered RTNL module
+ */
+void connman_rtnl_unregister(struct connman_rtnl *rtnl)
+{
+ DBG("rtnl %p name %s", rtnl, rtnl->name);
+
+ rtnl_list = g_slist_remove(rtnl_list, rtnl);
+}
+
+static void process_newlink(unsigned short type, int index,
+ unsigned flags, unsigned change)
+{
+ GSList *list;
+
+ for (list = rtnl_list; list; list = list->next) {
+ struct connman_rtnl *rtnl = list->data;
+
+ if (rtnl->newlink)
+ rtnl->newlink(type, index, flags, change);
+ }
+
+ for (list = watch_list; list; list = list->next) {
+ struct watch_data *watch = list->data;
+
+ if (watch->index != index)
+ continue;
+
+ if (watch->newlink)
+ watch->newlink(flags, change, watch->user_data);
+ }
+}
+
+static void process_dellink(unsigned short type, int index,
+ unsigned flags, unsigned change)
+{
+ GSList *list;
+
+ for (list = rtnl_list; list; list = list->next) {
+ struct connman_rtnl *rtnl = list->data;
+
+ if (rtnl->dellink)
+ rtnl->dellink(type, index, flags, change);
+ }
+}
+
+static char *extract_gateway(struct rtmsg *msg, int bytes, int *index)
+{
+ char *gateway = NULL;
+ struct in_addr addr;
+ struct rtattr *attr;
+
+ for (attr = RTM_RTA(msg); RTA_OK(attr, bytes);
+ attr = RTA_NEXT(attr, bytes)) {
+ switch (attr->rta_type) {
+ case RTA_GATEWAY:
+ addr = *((struct in_addr *) RTA_DATA(attr));
+ g_free(gateway);
+ gateway = g_strdup(inet_ntoa(addr));
+ break;
+ case RTA_OIF:
+ *index = *((int *) RTA_DATA(attr));
+ break;
+ }
+ }
+
+ return gateway;
+}
+
+static void process_newgateway(struct rtmsg *msg, int bytes)
+{
+ int index = -1;
+ char *gateway;
+ GSList *list;
+
+ gateway = extract_gateway(msg, bytes, &index);
+ if (gateway == NULL || index < 0)
+ return;
+
+ for (list = rtnl_list; list; list = list->next) {
+ struct connman_rtnl *rtnl = list->data;
+
+ if (rtnl->newgateway)
+ rtnl->newgateway(index, gateway);
+ }
+
+ g_free(gateway);
+}
+
+static void process_delgateway(struct rtmsg *msg, int bytes)
+{
+ int index = -1;
+ char *gateway;
+ GSList *list;
+
+ gateway = extract_gateway(msg, bytes, &index);
+ if (gateway == NULL || index < 0)
+ return;
+
+ for (list = rtnl_list; list; list = list->next) {
+ struct connman_rtnl *rtnl = list->data;
+
+ if (rtnl->delgateway)
+ rtnl->delgateway(index, gateway);
+ }
+
+ g_free(gateway);
+}
+
+static inline void print_inet(struct rtattr *attr, const char *name, int family)
+{
+ if (family == AF_INET) {
+ struct in_addr addr;
+ addr = *((struct in_addr *) RTA_DATA(attr));
+ DBG(" attr %s (len %jd) %s\n",
+ name, RTA_PAYLOAD(attr), inet_ntoa(addr));
+ } else
+ DBG(" attr %s (len %jd)\n", name, RTA_PAYLOAD(attr));
+}
+
+static inline void print_char(struct rtattr *attr, const char *name)
+{
+ DBG(" attr %s (len %jd) %s\n", name, RTA_PAYLOAD(attr),
+ (char *) RTA_DATA(attr));
+}
+
+static inline void print_byte(struct rtattr *attr, const char *name)
+{
+ DBG(" attr %s (len %jd) 0x%02x\n", name, RTA_PAYLOAD(attr),
+ *((unsigned char *) RTA_DATA(attr)));
+}
+
+static inline void print_attr(struct rtattr *attr, const char *name)
+{
+ if (name)
+ DBG(" attr %s (len %jd)\n", name, RTA_PAYLOAD(attr));
+ else
+ DBG(" attr %d (len %jd)\n",
+ attr->rta_type, RTA_PAYLOAD(attr));
+}
+
+static void rtnl_link(struct nlmsghdr *hdr)
+{
+#if 0
+ struct ifinfomsg *msg;
+ struct rtattr *attr;
+ int bytes;
+
+ msg = (struct ifinfomsg *) NLMSG_DATA(hdr);
+ bytes = IFLA_PAYLOAD(hdr);
+
+ DBG("ifi_index %d ifi_flags 0x%04x", msg->ifi_index, msg->ifi_flags);
+
+ for (attr = IFLA_RTA(msg); RTA_OK(attr, bytes);
+ attr = RTA_NEXT(attr, bytes)) {
+ switch (attr->rta_type) {
+ case IFLA_ADDRESS:
+ print_attr(attr, "address");
+ break;
+ case IFLA_BROADCAST:
+ print_attr(attr, "broadcast");
+ break;
+ case IFLA_IFNAME:
+ print_char(attr, "ifname");
+ break;
+ case IFLA_MTU:
+ print_attr(attr, "mtu");
+ break;
+ case IFLA_LINK:
+ print_attr(attr, "link");
+ break;
+ case IFLA_QDISC:
+ print_attr(attr, "qdisc");
+ break;
+ case IFLA_STATS:
+ print_attr(attr, "stats");
+ break;
+ case IFLA_COST:
+ print_attr(attr, "cost");
+ break;
+ case IFLA_PRIORITY:
+ print_attr(attr, "priority");
+ break;
+ case IFLA_MASTER:
+ print_attr(attr, "master");
+ break;
+ case IFLA_WIRELESS:
+ print_attr(attr, "wireless");
+ break;
+ case IFLA_PROTINFO:
+ print_attr(attr, "protinfo");
+ break;
+ case IFLA_TXQLEN:
+ print_attr(attr, "txqlen");
+ break;
+ case IFLA_MAP:
+ print_attr(attr, "map");
+ break;
+ case IFLA_WEIGHT:
+ print_attr(attr, "weight");
+ break;
+ case IFLA_OPERSTATE:
+ print_byte(attr, "operstate");
+ break;
+ case IFLA_LINKMODE:
+ print_byte(attr, "linkmode");
+ break;
+ default:
+ print_attr(attr, NULL);
+ break;
+ }
+ }
+#endif
+}
+
+static void rtnl_newlink(struct nlmsghdr *hdr)
+{
+ struct ifinfomsg *msg;
+
+ msg = (struct ifinfomsg *) NLMSG_DATA(hdr);
+
+ DBG("ifi_type %d ifi_index %d ifi_flags 0x%04x ifi_change 0x%04x",
+ msg->ifi_type, msg->ifi_index,
+ msg->ifi_flags, msg->ifi_change);
+
+ process_newlink(msg->ifi_type, msg->ifi_index,
+ msg->ifi_flags, msg->ifi_change);
+
+ rtnl_link(hdr);
+}
+
+static void rtnl_dellink(struct nlmsghdr *hdr)
+{
+ struct ifinfomsg *msg;
+
+ msg = (struct ifinfomsg *) NLMSG_DATA(hdr);
+
+ DBG("ifi_type %d ifi_index %d ifi_flags 0x%04x ifi_change 0x%04x",
+ msg->ifi_type, msg->ifi_index,
+ msg->ifi_flags, msg->ifi_change);
+
+ process_dellink(msg->ifi_type, msg->ifi_index,
+ msg->ifi_flags, msg->ifi_change);
+
+ rtnl_link(hdr);
+}
+
+static void rtnl_addr(struct nlmsghdr *hdr)
+{
+ struct ifaddrmsg *msg;
+ struct rtattr *attr;
+ int bytes;
+
+ msg = (struct ifaddrmsg *) NLMSG_DATA(hdr);
+ bytes = IFA_PAYLOAD(hdr);
+
+ DBG("ifa_family %d ifa_index %d", msg->ifa_family, msg->ifa_index);
+
+ for (attr = IFA_RTA(msg); RTA_OK(attr, bytes);
+ attr = RTA_NEXT(attr, bytes)) {
+ switch (attr->rta_type) {
+ case IFA_ADDRESS:
+ print_inet(attr, "address", msg->ifa_family);
+ break;
+ case IFA_LOCAL:
+ print_inet(attr, "local", msg->ifa_family);
+ break;
+ case IFA_LABEL:
+ print_char(attr, "label");
+ break;
+ case IFA_BROADCAST:
+ print_inet(attr, "broadcast", msg->ifa_family);
+ break;
+ case IFA_ANYCAST:
+ print_attr(attr, "anycast");
+ break;
+ case IFA_CACHEINFO:
+ print_attr(attr, "cacheinfo");
+ break;
+ case IFA_MULTICAST:
+ print_attr(attr, "multicast");
+ break;
+ default:
+ print_attr(attr, NULL);
+ break;
+ }
+ }
+}
+
+static void rtnl_route(struct nlmsghdr *hdr)
+{
+#if 0
+ struct rtmsg *msg;
+ struct rtattr *attr;
+ int bytes;
+
+ msg = (struct rtmsg *) NLMSG_DATA(hdr);
+ bytes = RTM_PAYLOAD(hdr);
+
+ DBG("rtm_family %d rtm_flags 0x%04x", msg->rtm_family, msg->rtm_flags);
+
+ for (attr = RTM_RTA(msg); RTA_OK(attr, bytes);
+ attr = RTA_NEXT(attr, bytes)) {
+ switch (attr->rta_type) {
+ case RTA_DST:
+ print_inet(attr, "dst", msg->rtm_family);
+ break;
+ case RTA_SRC:
+ print_inet(attr, "src", msg->rtm_family);
+ break;
+ case RTA_IIF:
+ print_char(attr, "iif");
+ break;
+ case RTA_OIF:
+ print_attr(attr, "oif");
+ break;
+ case RTA_GATEWAY:
+ print_inet(attr, "gateway", msg->rtm_family);
+ break;
+ case RTA_PRIORITY:
+ print_attr(attr, "priority");
+ break;
+ case RTA_PREFSRC:
+ print_inet(attr, "prefsrc", msg->rtm_family);
+ break;
+ case RTA_METRICS:
+ print_attr(attr, "metrics");
+ break;
+ case RTA_TABLE:
+ print_attr(attr, "table");
+ break;
+ default:
+ print_attr(attr, NULL);
+ break;
+ }
+ }
+#endif
+}
+
+static void rtnl_newroute(struct nlmsghdr *hdr)
+{
+ struct rtmsg *msg;
+
+ msg = (struct rtmsg *) NLMSG_DATA(hdr);
+
+ if (msg->rtm_type == RTN_UNICAST && msg->rtm_table == RT_TABLE_MAIN &&
+ msg->rtm_scope == RT_SCOPE_UNIVERSE) {
+ DBG("rtm_table %d rtm_scope %d rtm_type %d rtm_flags 0x%04x",
+ msg->rtm_table, msg->rtm_scope,
+ msg->rtm_type, msg->rtm_flags);
+ process_newgateway(msg, RTM_PAYLOAD(hdr));
+ }
+
+ rtnl_route(hdr);
+}
+
+static void rtnl_delroute(struct nlmsghdr *hdr)
+{
+ struct rtmsg *msg;
+
+ msg = (struct rtmsg *) NLMSG_DATA(hdr);
+
+ if (msg->rtm_type == RTN_UNICAST && msg->rtm_table == RT_TABLE_MAIN &&
+ msg->rtm_scope == RT_SCOPE_UNIVERSE) {
+ DBG("rtm_table %d rtm_scope %d rtm_type %d rtm_flags 0x%04x",
+ msg->rtm_table, msg->rtm_scope,
+ msg->rtm_type, msg->rtm_flags);
+ process_delgateway(msg, RTM_PAYLOAD(hdr));
+ }
+
+ rtnl_route(hdr);
+}
+
+static const char *type2string(uint16_t type)
+{
+ switch (type) {
+ case NLMSG_NOOP:
+ return "NOOP";
+ case NLMSG_ERROR:
+ return "ERROR";
+ case NLMSG_DONE:
+ return "DONE";
+ case NLMSG_OVERRUN:
+ return "OVERRUN";
+ case RTM_GETLINK:
+ return "GETLINK";
+ case RTM_NEWLINK:
+ return "NEWLINK";
+ case RTM_DELLINK:
+ return "DELLINK";
+ case RTM_NEWADDR:
+ return "NEWADDR";
+ case RTM_DELADDR:
+ return "DELADDR";
+ case RTM_GETROUTE:
+ return "GETROUTE";
+ case RTM_NEWROUTE:
+ return "NEWROUTE";
+ case RTM_DELROUTE:
+ return "DELROUTE";
+ default:
+ return "UNKNOWN";
+ }
+}
+
+static GIOChannel *channel = NULL;
+
+struct rtnl_request {
+ struct nlmsghdr hdr;
+ struct rtgenmsg msg;
+};
+#define RTNL_REQUEST_SIZE (sizeof(struct nlmsghdr) + sizeof(struct rtgenmsg))
+
+static GSList *request_list = NULL;
+static guint32 request_seq = 0;
+
+static struct rtnl_request *find_request(guint32 seq)
+{
+ GSList *list;
+
+ for (list = request_list; list; list = list->next) {
+ struct rtnl_request *req = list->data;
+
+ if (req->hdr.nlmsg_seq == seq)
+ return req;
+ }
+
+ return NULL;
+}
+
+static int send_request(struct rtnl_request *req)
+{
+ struct sockaddr_nl addr;
+ int sk;
+
+ DBG("%s len %d type %d flags 0x%04x seq %d",
+ type2string(req->hdr.nlmsg_type),
+ req->hdr.nlmsg_len, req->hdr.nlmsg_type,
+ req->hdr.nlmsg_flags, req->hdr.nlmsg_seq);
+
+ sk = g_io_channel_unix_get_fd(channel);
+
+ memset(&addr, 0, sizeof(addr));
+ addr.nl_family = AF_NETLINK;
+
+ return sendto(sk, req, req->hdr.nlmsg_len, 0,
+ (struct sockaddr *) &addr, sizeof(addr));
+}
+
+static int queue_request(struct rtnl_request *req)
+{
+ request_list = g_slist_append(request_list, req);
+
+ if (g_slist_length(request_list) > 1)
+ return 0;
+
+ return send_request(req);
+}
+
+static int process_response(guint32 seq)
+{
+ struct rtnl_request *req;
+
+ DBG("seq %d", seq);
+
+ req = find_request(seq);
+ if (req != NULL) {
+ request_list = g_slist_remove(request_list, req);
+ g_free(req);
+ }
+
+ req = g_slist_nth_data(request_list, 0);
+ if (req == NULL)
+ return 0;
+
+ return send_request(req);
+}
+
+static void rtnl_message(void *buf, size_t len)
+{
+ DBG("buf %p len %zd", buf, len);
+
+ while (len > 0) {
+ struct nlmsghdr *hdr = buf;
+ struct nlmsgerr *err;
+
+ if (!NLMSG_OK(hdr, len))
+ break;
+
+ DBG("%s len %d type %d flags 0x%04x seq %d",
+ type2string(hdr->nlmsg_type),
+ hdr->nlmsg_len, hdr->nlmsg_type,
+ hdr->nlmsg_flags, hdr->nlmsg_seq);
+
+ switch (hdr->nlmsg_type) {
+ case NLMSG_NOOP:
+ case NLMSG_OVERRUN:
+ return;
+ case NLMSG_DONE:
+ process_response(hdr->nlmsg_seq);
+ return;
+ case NLMSG_ERROR:
+ err = NLMSG_DATA(hdr);
+ DBG("error %d (%s)", -err->error,
+ strerror(-err->error));
+ return;
+ case RTM_NEWLINK:
+ rtnl_newlink(hdr);
+ break;
+ case RTM_DELLINK:
+ rtnl_dellink(hdr);
+ break;
+ case RTM_NEWADDR:
+ case RTM_DELADDR:
+ rtnl_addr(hdr);
+ break;
+ case RTM_NEWROUTE:
+ rtnl_newroute(hdr);
+ break;
+ case RTM_DELROUTE:
+ rtnl_delroute(hdr);
+ break;
+ }
+
+ len -= hdr->nlmsg_len;
+ buf += hdr->nlmsg_len;
+ }
+}
+
+static gboolean netlink_event(GIOChannel *chan,
+ GIOCondition cond, gpointer data)
+{
+ unsigned char buf[4096];
+ gsize len;
+ GIOError err;
+
+ if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR))
+ return FALSE;
+
+ memset(buf, 0, sizeof(buf));
+
+ err = g_io_channel_read(chan, (gchar *) buf, sizeof(buf), &len);
+ if (err) {
+ if (err == G_IO_ERROR_AGAIN)
+ return TRUE;
+ return FALSE;
+ }
+
+ rtnl_message(buf, len);
+
+ return TRUE;
+}
+
+int connman_rtnl_send_getlink(void)
+{
+ struct rtnl_request *req;
+
+ DBG("");
+
+ req = g_try_malloc0(RTNL_REQUEST_SIZE);
+ if (req == NULL)
+ return -ENOMEM;
+
+ req->hdr.nlmsg_len = RTNL_REQUEST_SIZE;
+ req->hdr.nlmsg_type = RTM_GETLINK;
+ req->hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
+ req->hdr.nlmsg_pid = 0;
+ req->hdr.nlmsg_seq = request_seq++;
+ req->msg.rtgen_family = AF_INET;
+
+ return queue_request(req);
+}
+
+int connman_rtnl_send_getroute(void)
+{
+ struct rtnl_request *req;
+
+ DBG("");
+
+ req = g_try_malloc0(RTNL_REQUEST_SIZE);
+ if (req == NULL)
+ return -ENOMEM;
+
+ req->hdr.nlmsg_len = RTNL_REQUEST_SIZE;
+ req->hdr.nlmsg_type = RTM_GETROUTE;
+ req->hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
+ req->hdr.nlmsg_pid = 0;
+ req->hdr.nlmsg_seq = request_seq++;
+ req->msg.rtgen_family = AF_INET;
+
+ return queue_request(req);
+}
+
+int __connman_rtnl_init(void)
+{
+ struct sockaddr_nl addr;
+ int sk;
+
+ DBG("");
+
+ sk = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE);
+ if (sk < 0)
+ return -1;
+
+ memset(&addr, 0, sizeof(addr));
+ addr.nl_family = AF_NETLINK;
+ addr.nl_groups = RTMGRP_LINK | RTMGRP_IPV4_ROUTE;
+ //addr.nl_groups = RTMGRP_LINK | RTMGRP_IPV4_IFADDR;
+ //addr.nl_groups = RTMGRP_LINK | RTMGRP_IPV4_IFADDR | RTMGRP_IPV4_ROUTE;
+
+ if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ close(sk);
+ return -1;
+ }
+
+ channel = g_io_channel_unix_new(sk);
+ g_io_channel_set_close_on_unref(channel, TRUE);
+
+ g_io_add_watch(channel, G_IO_IN | G_IO_NVAL | G_IO_HUP | G_IO_ERR,
+ netlink_event, NULL);
+
+ return 0;
+}
+
+void __connman_rtnl_cleanup(void)
+{
+ GSList *list;
+
+ DBG("");
+
+ for (list = watch_list; list; list = list->next) {
+ struct watch_data *watch = list->data;
+
+ DBG("removing watch %d", watch->id);
+
+ g_free(watch);
+ list->data = NULL;
+ }
+
+ g_slist_free(watch_list);
+ watch_list = NULL;
+
+ for (list = request_list; list; list = list->next) {
+ struct rtnl_request *req = list->data;
+
+ DBG("%s len %d type %d flags 0x%04x seq %d",
+ type2string(req->hdr.nlmsg_type),
+ req->hdr.nlmsg_len, req->hdr.nlmsg_type,
+ req->hdr.nlmsg_flags, req->hdr.nlmsg_seq);
+
+ g_free(req);
+ list->data = NULL;
+ }
+
+ g_slist_free(request_list);
+ request_list = NULL;
+
+ g_io_channel_shutdown(channel, TRUE, NULL);
+ g_io_channel_unref(channel);
+
+ channel = NULL;
+}
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