Merge "Fix crash caused by decryption response delay" into tizen
[platform/upstream/connman.git] / src / rtnl.c
old mode 100755 (executable)
new mode 100644 (file)
index b7d7f37..6a47a8c
@@ -159,6 +159,7 @@ static void read_uevent(struct interface_data *interface)
        if (__connman_rtnl_is_cellular_device(name)) {
                interface->service_type = CONNMAN_SERVICE_TYPE_CELLULAR;
                interface->device_type = CONNMAN_DEVICE_TYPE_CELLULAR;
+               g_free(name);
                return;
        }
 #endif
@@ -166,6 +167,7 @@ static void read_uevent(struct interface_data *interface)
        if (ether_blacklisted(name)) {
                interface->service_type = CONNMAN_SERVICE_TYPE_UNKNOWN;
                interface->device_type = CONNMAN_DEVICE_TYPE_UNKNOWN;
+               goto out;
        } else {
                interface->service_type = CONNMAN_SERVICE_TYPE_ETHERNET;
                interface->device_type = CONNMAN_DEVICE_TYPE_ETHERNET;
@@ -212,7 +214,12 @@ static void read_uevent(struct interface_data *interface)
                } else if (strcmp(line + 8, "vlan") == 0) {
                        interface->service_type = CONNMAN_SERVICE_TYPE_ETHERNET;
                        interface->device_type = CONNMAN_DEVICE_TYPE_ETHERNET;
-
+               } else if (strcmp(line + 8, "bond") == 0) {
+                       interface->service_type = CONNMAN_SERVICE_TYPE_ETHERNET;
+                       interface->device_type = CONNMAN_DEVICE_TYPE_ETHERNET;
+               } else if (strcmp(line + 8, "dsa") == 0) {
+                       interface->service_type = CONNMAN_SERVICE_TYPE_ETHERNET;
+                       interface->device_type = CONNMAN_DEVICE_TYPE_ETHERNET;
                } else {
                        interface->service_type = CONNMAN_SERVICE_TYPE_UNKNOWN;
                        interface->device_type = CONNMAN_DEVICE_TYPE_UNKNOWN;
@@ -459,6 +466,20 @@ static void process_newlink(unsigned short type, int index, unsigned flags,
        if (!extract_link(msg, bytes, &address, &ifname, &mtu, &operstate, &stats))
                return;
 
+#if defined TIZEN_EXT_WIFI_MESH
+       /* Do not accept Wi-Fi Mesh interface */
+       if (g_strrstr(ifname, "mesh") != NULL) {
+               DBG("Newlink event for Wi-Fi Mesh interface ignored");
+               return;
+       }
+
+       /* Do not accept Wi-Fi WLAN1 interface "dedicated for softAP */
+       if (!g_strcmp0(ifname, "wlan1")) {
+               DBG("Newlink event for Wi-Fi WLAN1 interface ignored");
+               return;
+       }
+#endif
+
 #if defined TIZEN_EXT
        /* Do not accept Wi-Fi P2P interface */
        if (g_strrstr(ifname, "p2p") != NULL) {
@@ -551,7 +572,9 @@ static void process_newlink(unsigned short type, int index, unsigned flags,
 
                interface = NULL;
 #endif
-       } else
+       } else if (type == ARPHRD_ETHER && interface->device_type == CONNMAN_DEVICE_TYPE_UNKNOWN)
+               read_uevent(interface);
+       else
                interface = NULL;
 
        for (list = rtnl_list; list; list = list->next) {
@@ -571,14 +594,15 @@ static void process_newlink(unsigned short type, int index, unsigned flags,
                __connman_technology_add_interface(interface->service_type,
                        interface->index, interface->ident);
 
-       for (list = watch_list; list; list = list->next) {
+       list = watch_list;
+       while (list) {
+               GSList *next = list->next;
                struct watch_data *watch = list->data;
 
-               if (watch->index != index)
-                       continue;
-
-               if (watch->newlink)
+               if (watch->index == index && watch->newlink)
                        watch->newlink(flags, change, watch->user_data);
+
+               list = next;
        }
 }
 
@@ -1316,30 +1340,33 @@ static void rtnl_newnduseropt(struct nlmsghdr *hdr)
 
 #if defined TIZEN_EXT
        struct connman_service *service;
+       enum connman_service_state state;
        enum connman_dnsconfig_method ipv6_dns_method;
-       char *ifname;
 
        service = __connman_service_lookup_from_index(index);
-       if (!service || !(__connman_service_index_is_default(index))) {
-               DBG("Invalid service, index: %d\n", index);
+       if (!service) {
+               DBG("Invalid service");
                return;
        }
 
        DBG("service: %p index: %d\n", service, index);
 
-       ifname = connman_inet_ifname(index);
-       if (ifname == NULL) {
-               DBG("Interface is NULL, return");
-               return;
+       if (connman_setting_get_bool("SingleConnectedTechnology") == TRUE) {
+               state = __connman_service_ipconfig_get_state(service, CONNMAN_IPCONFIG_TYPE_IPV6);
+               if (state != CONNMAN_SERVICE_STATE_ASSOCIATION &&
+                               state != CONNMAN_SERVICE_STATE_CONFIGURATION &&
+                               state != CONNMAN_SERVICE_STATE_READY &&
+                               state != CONNMAN_SERVICE_STATE_ONLINE) {
+                       DBG("Service state[%d] is not connecting/connected", state);
+                       return;
+               }
        }
 
        ipv6_dns_method = connman_service_get_ipv6_dns_method(service);
        if (ipv6_dns_method != CONNMAN_DNSCONFIG_METHOD_DHCP) {
                DBG("IPv6 DNS method is not Auto ignore RA!!! [DNS method: %d]", ipv6_dns_method);
-               g_free(ifname);
                return;
        }
-       g_free(ifname);
 #endif
 
        for (opt = (void *)&msg[1];
@@ -1352,12 +1379,17 @@ static void rtnl_newnduseropt(struct nlmsghdr *hdr)
 
                if (opt->nd_opt_type == 25) { /* ND_OPT_RDNSS */
                        char buf[40];
+#if defined TIZEN_EXT
+                       struct connman_service *service;
 
+                       service = __connman_service_lookup_from_index(index);
+                       DBG("service: %p\n",service);
+#endif
                        servers = rtnl_nd_opt_rdnss(opt, &lifetime,
-                                       &nr_servers);
+                                                               &nr_servers);
                        for (i = 0; i < nr_servers; i++) {
                                if (!inet_ntop(AF_INET6, servers + i, buf,
-                                                       sizeof(buf)))
+                                                               sizeof(buf)))
                                        continue;
 
 #if defined TIZEN_EXT
@@ -1369,8 +1401,9 @@ static void rtnl_newnduseropt(struct nlmsghdr *hdr)
                                                CONNMAN_IPCONFIG_TYPE_IPV6);
 #endif
                                connman_resolver_append_lifetime(index,
-                                               NULL, buf, lifetime);
+                                                       NULL, buf, lifetime);
                        }
+
                } else if (opt->nd_opt_type == 31) { /* ND_OPT_DNSSL */
                        g_free(domains);
 
@@ -1423,81 +1456,75 @@ static const char *type2string(uint16_t type)
 static GIOChannel *channel = NULL;
 static guint channel_watch = 0;
 
-struct rtnl_request {
-       struct nlmsghdr hdr;
-       struct rtgenmsg msg;
-};
-#define RTNL_REQUEST_SIZE  (sizeof(struct nlmsghdr) + sizeof(struct rtgenmsg))
+#define RTNL_REQUEST_SIZE (NLMSG_HDRLEN + NLMSG_ALIGN(sizeof(struct rtgenmsg)))
 
 static GSList *request_list = NULL;
 static guint32 request_seq = 0;
 
-static struct rtnl_request *find_request(guint32 seq)
+static struct nlmsghdr *find_request(guint32 seq)
 {
        GSList *list;
 
        for (list = request_list; list; list = list->next) {
-               struct rtnl_request *req = list->data;
+               struct nlmsghdr *hdr = list->data;
 
-               if (req->hdr.nlmsg_seq == seq)
-                       return req;
+               if (hdr->nlmsg_seq == seq)
+                       return hdr;
        }
 
        return NULL;
 }
 
-static int send_request(struct rtnl_request *req)
+static int send_request(struct nlmsghdr *hdr)
 {
        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);
+                               type2string(hdr->nlmsg_type),
+                               hdr->nlmsg_len, hdr->nlmsg_type,
+                               hdr->nlmsg_flags, 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,
+       return sendto(sk, hdr, hdr->nlmsg_len, 0,
                                (struct sockaddr *) &addr, sizeof(addr));
 }
 
-static int queue_request(struct rtnl_request *req)
+static int queue_request(struct nlmsghdr *hdr)
 {
-       request_list = g_slist_append(request_list, req);
+       request_list = g_slist_append(request_list, hdr);
 
        if (g_slist_length(request_list) > 1)
                return 0;
 
-       return send_request(req);
+       return send_request(hdr);
 }
 
 static int process_response(guint32 seq)
 {
-       struct rtnl_request *req;
+       struct nlmsghdr *hdr;
 
        DBG("seq %d", seq);
 
-       req = find_request(seq);
-       if (req) {
-               request_list = g_slist_remove(request_list, req);
-               g_free(req);
+       hdr = find_request(seq);
+       if (hdr) {
+               request_list = g_slist_remove(request_list, hdr);
+               g_free(hdr);
        }
 
-       req = g_slist_nth_data(request_list, 0);
-       if (!req)
+       hdr = g_slist_nth_data(request_list, 0);
+       if (!hdr)
                return 0;
 
-       return send_request(req);
+       return send_request(hdr);
 }
 
 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;
@@ -1505,7 +1532,7 @@ static void rtnl_message(void *buf, size_t len)
                if (!NLMSG_OK(hdr, len))
                        break;
 
-               DBG("%s len %d type %d flags 0x%04x seq %d pid %d",
+               DBG("%s len %u type %u flags 0x%04x seq %u pid %u",
                                        type2string(hdr->nlmsg_type),
                                        hdr->nlmsg_len, hdr->nlmsg_type,
                                        hdr->nlmsg_flags, hdr->nlmsg_seq,
@@ -1559,8 +1586,15 @@ static gboolean netlink_event(GIOChannel *chan, GIOCondition cond, gpointer data
        ssize_t status;
        int fd;
 
+#if defined TIZEN_EXT
+       if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR)) {
+               __connman_rtnl_init(GIO_SOCKET_RETRY_COUNT);
+               return FALSE;
+       }
+#else /* TIZEN_EXT */
        if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR))
                return FALSE;
+#endif /* TIZEN_EXT */
 
        memset(buf, 0, sizeof(buf));
        memset(&nladdr, 0, sizeof(nladdr));
@@ -1573,11 +1607,21 @@ static gboolean netlink_event(GIOChannel *chan, GIOCondition cond, gpointer data
                if (errno == EINTR || errno == EAGAIN)
                        return TRUE;
 
+#if defined TIZEN_EXT
+               __connman_rtnl_init(GIO_SOCKET_RETRY_COUNT);
+#endif /* TIZEN_EXT */
                return FALSE;
        }
 
+#if defined TIZEN_EXT
+       if (status == 0) {
+               __connman_rtnl_init(GIO_SOCKET_RETRY_COUNT);
+               return FALSE;
+       }
+#else /* TIZEN_EXT */
        if (status == 0)
                return FALSE;
+#endif /* TIZEN_EXT */
 
        if (nladdr.nl_pid != 0) { /* not sent by kernel, ignore */
                DBG("Received msg from %u, ignoring it", nladdr.nl_pid);
@@ -1591,62 +1635,65 @@ static gboolean netlink_event(GIOChannel *chan, GIOCondition cond, gpointer data
 
 static int send_getlink(void)
 {
-       struct rtnl_request *req;
+       struct nlmsghdr *hdr;
+       struct rtgenmsg *msg;
 
        DBG("");
 
-       req = g_try_malloc0(RTNL_REQUEST_SIZE);
-       if (!req)
-               return -ENOMEM;
+       hdr = g_malloc0(RTNL_REQUEST_SIZE);
+
+       hdr->nlmsg_len = RTNL_REQUEST_SIZE;
+       hdr->nlmsg_type = RTM_GETLINK;
+       hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
+       hdr->nlmsg_pid = 0;
+       hdr->nlmsg_seq = request_seq++;
 
-       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;
+       msg = (struct rtgenmsg *) NLMSG_DATA(hdr);
+       msg->rtgen_family = AF_INET;
 
-       return queue_request(req);
+       return queue_request(hdr);
 }
 
 static int send_getaddr(void)
 {
-       struct rtnl_request *req;
+       struct nlmsghdr *hdr;
+       struct rtgenmsg *msg;
 
        DBG("");
 
-       req = g_try_malloc0(RTNL_REQUEST_SIZE);
-       if (!req)
-               return -ENOMEM;
+       hdr = g_malloc0(RTNL_REQUEST_SIZE);
+
+       hdr->nlmsg_len = RTNL_REQUEST_SIZE;
+       hdr->nlmsg_type = RTM_GETADDR;
+       hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
+       hdr->nlmsg_pid = 0;
+       hdr->nlmsg_seq = request_seq++;
 
-       req->hdr.nlmsg_len = RTNL_REQUEST_SIZE;
-       req->hdr.nlmsg_type = RTM_GETADDR;
-       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;
+       msg = (struct rtgenmsg *) NLMSG_DATA(hdr);
+       msg->rtgen_family = AF_INET;
 
-       return queue_request(req);
+       return queue_request(hdr);
 }
 
 static int send_getroute(void)
 {
-       struct rtnl_request *req;
+       struct nlmsghdr *hdr;
+       struct rtgenmsg *msg;
 
        DBG("");
 
-       req = g_try_malloc0(RTNL_REQUEST_SIZE);
-       if (!req)
-               return -ENOMEM;
+       hdr = g_malloc0(RTNL_REQUEST_SIZE);
 
-       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;
+       hdr->nlmsg_len = RTNL_REQUEST_SIZE;
+       hdr->nlmsg_type = RTM_GETROUTE;
+       hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
+       hdr->nlmsg_pid = 0;
+       hdr->nlmsg_seq = request_seq++;
 
-       return queue_request(req);
+       msg = (struct rtgenmsg *) NLMSG_DATA(hdr);
+       msg->rtgen_family = AF_INET;
+
+       return queue_request(hdr);
 }
 
 static gboolean update_timeout_cb(gpointer user_data)
@@ -1721,19 +1768,34 @@ int __connman_rtnl_request_update(void)
        return send_getlink();
 }
 
+#if defined TIZEN_EXT
+int __connman_rtnl_init(int retry_count)
+#else /* TIZEN_EXT */
 int __connman_rtnl_init(void)
+#endif /* TIZEN_EXT */
 {
        struct sockaddr_nl addr;
        int sk;
 
+#if defined TIZEN_EXT
+       if (retry_count < 0)
+               return -1;
+
+       DBG("retry_count %d", retry_count);
+#else /* TIZEN_EXT */
        DBG("");
+#endif /* TIZEN_EXT */
 
        interface_list = g_hash_table_new_full(g_direct_hash, g_direct_equal,
                                                        NULL, free_interface);
 
        sk = socket(PF_NETLINK, SOCK_DGRAM | SOCK_CLOEXEC, NETLINK_ROUTE);
        if (sk < 0)
+#if defined TIZEN_EXT
+               return __connman_rtnl_init(retry_count - 1);
+#else /* TIZEN_EXT */
                return -1;
+#endif /* TIZEN_EXT */
 
        memset(&addr, 0, sizeof(addr));
        addr.nl_family = AF_NETLINK;
@@ -1743,7 +1805,11 @@ int __connman_rtnl_init(void)
 
        if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
                close(sk);
+#if defined TIZEN_EXT
+               return __connman_rtnl_init(retry_count - 1);
+#else /* TIZEN_EXT */
                return -1;
+#endif /* TIZEN_EXT */
        }
 
        channel = g_io_channel_unix_new(sk);
@@ -1790,14 +1856,14 @@ void __connman_rtnl_cleanup(void)
        update_list = NULL;
 
        for (list = request_list; list; list = list->next) {
-               struct rtnl_request *req = list->data;
+               struct nlmsghdr *hdr= 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);
+                               type2string(hdr->nlmsg_type),
+                               hdr->nlmsg_len, hdr->nlmsg_type,
+                               hdr->nlmsg_flags, hdr->nlmsg_seq);
 
-               g_free(req);
+               g_free(hdr);
                list->data = NULL;
        }