return "";
}
-static bool get_ipv6_state(gchar *ifname)
+#define PROC_IPV4_CONF_PREFIX "/proc/sys/net/ipv4/conf"
+#define PROC_IPV6_CONF_PREFIX "/proc/sys/net/ipv6/conf"
+
+static int read_conf_value(const char *prefix, const char *ifname,
+ const char *suffix, int *value)
{
- int disabled;
gchar *path;
FILE *f;
- bool enabled = false;
-
- if (!ifname)
- path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
- else
- path = g_strdup_printf(
- "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
+ int err;
+ path = g_build_filename(prefix, ifname ? ifname : "all", suffix, NULL);
if (!path)
- return enabled;
+ return -ENOMEM;
+ errno = 0;
f = fopen(path, "r");
+ if (!f) {
+ err = -errno;
+ } else {
+ errno = 0; /* Avoid stale errno values with fscanf */
- g_free(path);
+ err = fscanf(f, "%d", value);
+ if (err <= 0 && errno)
+ err = -errno;
- if (f) {
- if (fscanf(f, "%d", &disabled) > 0)
- enabled = !disabled;
fclose(f);
}
- return enabled;
+ if (err <= 0)
+ connman_error("failed to read %s", path);
+
+ g_free(path);
+
+ return err;
+}
+
+static int read_ipv4_conf_value(const char *ifname, const char *suffix,
+ int *value)
+{
+ return read_conf_value(PROC_IPV4_CONF_PREFIX, ifname, suffix, value);
}
-static void set_ipv6_state(gchar *ifname, bool enable)
+static int read_ipv6_conf_value(const char *ifname, const char *suffix,
+ int *value)
{
+ return read_conf_value(PROC_IPV6_CONF_PREFIX, ifname, suffix, value);
+}
+
+static int write_conf_value(const char *prefix, const char *ifname,
+ const char *suffix, int value) {
gchar *path;
FILE *f;
+ int rval;
- if (!ifname)
- path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
- else
- path = g_strdup_printf(
- "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
-
+ path = g_build_filename(prefix, ifname ? ifname : "all", suffix, NULL);
if (!path)
- return;
+ return -ENOMEM;
f = fopen(path, "r+");
+ if (!f) {
+ rval = -errno;
+ } else {
+ rval = fprintf(f, "%d", value);
+ fclose(f);
+ }
+
+ if (rval <= 0)
+ connman_error("failed to set %s value %d", path, value);
g_free(path);
- if (!f)
- return;
+ return rval;
+}
- if (!enable)
- fprintf(f, "1");
- else
- fprintf(f, "0");
+static int write_ipv4_conf_value(const char *ifname, const char *suffix,
+ int value)
+{
+ return write_conf_value(PROC_IPV4_CONF_PREFIX, ifname, suffix, value);
+}
- fclose(f);
+static int write_ipv6_conf_value(const char *ifname, const char *suffix,
+ int value)
+{
+ return write_conf_value(PROC_IPV6_CONF_PREFIX, ifname, suffix, value);
}
-static int get_ipv6_privacy(gchar *ifname)
+static bool get_ipv6_state(gchar *ifname)
{
- gchar *path;
- FILE *f;
- int value;
+ int disabled;
+ bool enabled = false;
- if (!ifname)
- return 0;
+ if (read_ipv6_conf_value(ifname, "disable_ipv6", &disabled) > 0)
+ enabled = !disabled;
- path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
- ifname);
+ return enabled;
+}
- if (!path)
- return 0;
+static int set_ipv6_state(gchar *ifname, bool enable)
+{
+ int disabled = enable ? 0 : 1;
- f = fopen(path, "r");
+ DBG("%s %d", ifname, disabled);
- g_free(path);
+ return write_ipv6_conf_value(ifname, "disable_ipv6", disabled);
+}
- if (!f)
+static int get_ipv6_privacy(gchar *ifname)
+{
+ int value;
+
+ if (!ifname)
return 0;
- if (fscanf(f, "%d", &value) <= 0)
+ if (read_ipv6_conf_value(ifname, "use_tempaddr", &value) < 0)
value = 0;
- fclose(f);
-
return value;
}
/* Enable the IPv6 privacy extension for stateless address autoconfiguration.
* The privacy extension is described in RFC 3041 and RFC 4941
*/
-static void set_ipv6_privacy(gchar *ifname, int value)
+static int set_ipv6_privacy(gchar *ifname, int value)
{
- gchar *path;
- FILE *f;
-
if (!ifname)
- return;
-
- path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
- ifname);
-
- if (!path)
- return;
+ return -EINVAL;
if (value < 0)
value = 0;
- f = fopen(path, "r+");
-
- g_free(path);
-
- if (!f)
- return;
-
- fprintf(f, "%d", value);
- fclose(f);
+ return write_ipv6_conf_value(ifname, "use_tempaddr", value);
}
static int get_rp_filter(void)
{
- FILE *f;
- int value = -EINVAL, tmp;
+ int value;
- f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r");
-
- if (f) {
- if (fscanf(f, "%d", &tmp) == 1)
- value = tmp;
- fclose(f);
- }
+ if (read_ipv4_conf_value(NULL, "rp_filter", &value) < 0)
+ value = -EINVAL;
return value;
}
-static void set_rp_filter(int value)
+static int set_rp_filter(int value)
{
- FILE *f;
-
- f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r+");
-
- if (!f)
- return;
-
- fprintf(f, "%d", value);
+ /* 0 = no validation, 1 = strict mode, 2 = loose mode */
+ switch (value) {
+ case -1:
+ value = 0;
+ /* fall through */
+ case 0:
+ case 1:
+ case 2:
+ break;
+ default:
+ return -EINVAL;
+ }
- fclose(f);
+ return write_ipv4_conf_value(NULL, "rp_filter", value);
}
int __connman_ipconfig_set_rp_filter()
return g_strcmp0(addr1->local, addr2->local);
}
+static bool is_index_p2p_service(int index)
+{
+ struct connman_service *service;
+ enum connman_service_type type;
+
+ service = __connman_service_lookup_from_index(index);
+ if (!service)
+ return false;
+
+ type = connman_service_get_type(service);
+ switch (type) {
+ case CONNMAN_SERVICE_TYPE_P2P:
+ case CONNMAN_SERVICE_TYPE_VPN:
+ return true;
+ default:
+ return false;
+ }
+}
+
int __connman_ipconfig_newaddr(int index, int family, const char *label,
unsigned char prefixlen, const char *address)
{
ipaddress->prefixlen = prefixlen;
ipaddress->local = g_strdup(address);
+ if (is_index_p2p_service(index))
+ connman_ipaddress_set_p2p(ipaddress, true);
+
if (g_slist_find_custom(ipdevice->address_list, ipaddress,
check_duplicate_address)) {
connman_ipaddress_free(ipaddress);
ipconfig->address->prefixlen = prefixlen;
}
+static void ipconfig_set_p2p(int index, struct connman_ipconfig *ipconfig)
+{
+ if (!is_index_p2p_service(index))
+ return;
+
+ connman_ipaddress_set_p2p(ipconfig->address, true);
+ connman_ipaddress_set_p2p(ipconfig->system, true);
+}
+
static struct connman_ipconfig *create_ipv6config(int index)
{
struct connman_ipconfig *ipv6config;
ipv6config->system = connman_ipaddress_alloc(AF_INET6);
+ ipconfig_set_p2p(index, ipv6config);
+
DBG("ipconfig %p index %d method %s", ipv6config, index,
__connman_ipconfig_method2string(ipv6config->method));
}
ipconfig->system = connman_ipaddress_alloc(AF_INET);
+
+ ipconfig_set_p2p(index, ipconfig);
+
#if defined TIZEN_EXT
if (!simplified_log)
#endif
err = connman_inet_clear_address(ipconfig->index,
ipconfig->address);
else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
- err = connman_inet_clear_ipv6_address(
- ipconfig->index,
- ipconfig->address->local,
- ipconfig->address->prefixlen);
+ err = connman_inet_clear_ipv6_address(ipconfig->index,
+ ipconfig->address);
else
err = -EINVAL;
connman_ipaddress_clear(ipdevice->config_ipv4->system);
__connman_ipconfig_unref(ipdevice->config_ipv4);
+
+ g_free(ipdevice->ipv4_gateway);
+ ipdevice->ipv4_gateway = NULL;
}
if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
connman_ipaddress_clear(ipdevice->config_ipv6->system);
__connman_ipconfig_unref(ipdevice->config_ipv6);
+
+ g_free(ipdevice->ipv6_gateway);
+ ipdevice->ipv6_gateway = NULL;
}
if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
connman_ipaddress_clear(ipdevice->config_ipv4->system);
__connman_ipconfig_unref(ipdevice->config_ipv4);
ipdevice->config_ipv4 = NULL;
+
+ g_free(ipdevice->ipv4_gateway);
+ ipdevice->ipv4_gateway = NULL;
+
return 0;
}
connman_ipaddress_clear(ipdevice->config_ipv6->system);
__connman_ipconfig_unref(ipdevice->config_ipv6);
ipdevice->config_ipv6 = NULL;
+
+ g_free(ipdevice->ipv6_gateway);
+ ipdevice->ipv6_gateway = NULL;
+
return 0;
}
projects / platform / upstream / connman.git / blobdiff