Release tizen_2.0_beta
[framework/connectivity/connman.git] / src / ipconfig.c
index 9f73b65..e26f209 100644 (file)
@@ -40,7 +40,7 @@
 #include "connman.h"
 
 struct connman_ipconfig {
-       gint refcount;
+       int refcount;
        int index;
        enum connman_ipconfig_type type;
 
@@ -54,6 +54,7 @@ struct connman_ipconfig {
        struct connman_ipaddress *system;
 
        int ipv6_privacy_config;
+       char *last_dhcp_address;
 };
 
 struct connman_ipdevice {
@@ -451,6 +452,60 @@ static void set_ipv6_privacy(gchar *ifname, int value)
        fclose(f);
 }
 
+static int get_rp_filter()
+{
+       FILE *f;
+       int value = -EINVAL, tmp;
+
+       f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r");
+
+       if (f != NULL) {
+               if (fscanf(f, "%d", &tmp) == 1)
+                       value = tmp;
+               fclose(f);
+       }
+
+       return value;
+}
+
+static void set_rp_filter(int value)
+{
+       FILE *f;
+
+       f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r+");
+
+       if (f == NULL)
+               return;
+
+       fprintf(f, "%d", value);
+
+       fclose(f);
+}
+
+int __connman_ipconfig_set_rp_filter()
+{
+       int value;
+
+       value = get_rp_filter();
+
+       if (value < 0)
+               return value;
+
+       set_rp_filter(2);
+
+       connman_info("rp_filter set to 2 (loose mode routing), "
+                       "old value was %d", value);
+
+       return value;
+}
+
+void __connman_ipconfig_unset_rp_filter(int old_value)
+{
+       set_rp_filter(old_value);
+
+       connman_info("rp_filter restored to %d", old_value);
+}
+
 static void free_ipdevice(gpointer data)
 {
        struct connman_ipdevice *ipdevice = data;
@@ -650,6 +705,13 @@ update:
                        ipconfig->ops->down(ipconfig);
        }
 
+#if defined TIZEN_EXT
+       if (g_strcmp0(ipdevice->address, address) != 0) {
+               g_free(ipdevice->address);
+               ipdevice->address = g_strdup(address);
+       }
+#endif
+
        if (lower_up)
                __connman_ipconfig_lower_up(ipdevice);
        if (lower_down)
@@ -1119,16 +1181,27 @@ void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const cha
        ipconfig->address->gateway = g_strdup(gateway);
 }
 
+#if defined TIZEN_EXT
+/*
+ * Description: __connman_service_lookup_from_index cannot find correct service
+ */
+int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig, struct connman_service *service)
+#else
 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig)
+#endif
 {
+#if !defined TIZEN_EXT
        struct connman_service *service;
+#endif
 
        DBG("");
 
        if (ipconfig->address == NULL)
                return -EINVAL;
 
+#if !defined TIZEN_EXT
        service = __connman_service_lookup_from_index(ipconfig->index);
+#endif
        if (service == NULL)
                return -EINVAL;
 
@@ -1252,10 +1325,9 @@ struct connman_ipconfig *connman_ipconfig_create(int index,
  */
 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 {
-       DBG("ipconfig %p refcount %d", ipconfig,
-                               g_atomic_int_get(&ipconfig->refcount) + 1);
+       DBG("ipconfig %p refcount %d", ipconfig, ipconfig->refcount + 1);
 
-       g_atomic_int_inc(&ipconfig->refcount);
+       __sync_fetch_and_add(&ipconfig->refcount, 1);
 
        return ipconfig;
 }
@@ -1271,23 +1343,25 @@ void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
        if (ipconfig == NULL)
                return;
 
-       DBG("ipconfig %p refcount %d", ipconfig,
-                       g_atomic_int_get(&ipconfig->refcount) - 1);
+       DBG("ipconfig %p refcount %d", ipconfig, ipconfig->refcount - 1);
 
-       if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
-               __connman_ipconfig_disable(ipconfig);
+       if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1)
+               return;
 
-               connman_ipconfig_set_ops(ipconfig, NULL);
+       if (__connman_ipconfig_disable(ipconfig) < 0)
+               ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
 
-               if (ipconfig->origin != NULL) {
-                       connman_ipconfig_unref(ipconfig->origin);
-                       ipconfig->origin = NULL;
-               }
+       connman_ipconfig_set_ops(ipconfig, NULL);
 
-               connman_ipaddress_free(ipconfig->system);
-               connman_ipaddress_free(ipconfig->address);
-               g_free(ipconfig);
+       if (ipconfig->origin != NULL) {
+               connman_ipconfig_unref(ipconfig->origin);
+               ipconfig->origin = NULL;
        }
+
+       connman_ipaddress_free(ipconfig->system);
+       connman_ipaddress_free(ipconfig->address);
+       g_free(ipconfig->last_dhcp_address);
+       g_free(ipconfig);
 }
 
 /**
@@ -1518,6 +1592,24 @@ const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipc
        return ipdevice->pac;
 }
 
+void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
+                                       const char *address)
+{
+       if (ipconfig == NULL)
+               return;
+
+       g_free(ipconfig->last_dhcp_address);
+       ipconfig->last_dhcp_address = g_strdup(address);
+}
+
+char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
+{
+       if (ipconfig == NULL)
+               return NULL;
+
+       return ipconfig->last_dhcp_address;
+}
+
 static void disable_ipv6(struct connman_ipconfig *ipconfig)
 {
        struct connman_ipdevice *ipdevice;
@@ -1890,10 +1982,10 @@ void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
        switch (ipconfig->method) {
        case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
        case CONNMAN_IPCONFIG_METHOD_OFF:
-       case CONNMAN_IPCONFIG_METHOD_FIXED:
        case CONNMAN_IPCONFIG_METHOD_DHCP:
        case CONNMAN_IPCONFIG_METHOD_AUTO:
                return;
+       case CONNMAN_IPCONFIG_METHOD_FIXED:
        case CONNMAN_IPCONFIG_METHOD_MANUAL:
                break;
        }
@@ -2080,6 +2172,7 @@ int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
 {
        char *method;
        char *key;
+       char *str;
 
        DBG("ipconfig %p identifier %s", ipconfig, identifier);
 
@@ -2140,6 +2233,14 @@ int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
                                keyfile, identifier, key, NULL);
        g_free(key);
 
+       key = g_strdup_printf("%sDHCP.LastAddress", prefix);
+       str = g_key_file_get_string(keyfile, identifier, key, NULL);
+       if (str != NULL) {
+               g_free(ipconfig->last_dhcp_address);
+               ipconfig->last_dhcp_address = str;
+       }
+       g_free(key);
+
        return 0;
 }
 
@@ -2169,9 +2270,18 @@ int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
        case CONNMAN_IPCONFIG_METHOD_FIXED:
        case CONNMAN_IPCONFIG_METHOD_MANUAL:
                break;
+       case CONNMAN_IPCONFIG_METHOD_DHCP:
+               key = g_strdup_printf("%sDHCP.LastAddress", prefix);
+               if (ipconfig->last_dhcp_address != NULL &&
+                               strlen(ipconfig->last_dhcp_address) > 0)
+                       g_key_file_set_string(keyfile, identifier, key,
+                                       ipconfig->last_dhcp_address);
+               else
+                       g_key_file_remove_key(keyfile, identifier, key, NULL);
+               g_free(key);
+               /* fall through */
        case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
        case CONNMAN_IPCONFIG_METHOD_OFF:
-       case CONNMAN_IPCONFIG_METHOD_DHCP:
        case CONNMAN_IPCONFIG_METHOD_AUTO:
                return 0;
        }