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Diffstat (limited to 'src/dhcp.c')
-rwxr-xr-xsrc/dhcp.c95
1 files changed, 80 insertions, 15 deletions
diff --git a/src/dhcp.c b/src/dhcp.c
index b6273625..c428c1d4 100755
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -26,6 +26,11 @@
#include <errno.h>
#include <string.h>
#include <stdlib.h>
+#include <net/ethernet.h>
+
+#ifndef IPV6_MIN_MTU
+#define IPV6_MIN_MTU 1280
+#endif
#include <connman/ipconfig.h>
#include <include/setting.h>
@@ -54,10 +59,11 @@ struct connman_dhcp {
GDHCPClient *dhcp_client;
char *ipv4ll_debug_prefix;
char *dhcp_debug_prefix;
+
+ bool ipv4ll_running;
};
static GHashTable *ipconfig_table;
-static bool ipv4ll_running;
static void dhcp_free(struct connman_dhcp *dhcp)
{
@@ -89,7 +95,7 @@ static void ipv4ll_stop_client(struct connman_dhcp *dhcp)
g_dhcp_client_stop(dhcp->ipv4ll_client);
g_dhcp_client_unref(dhcp->ipv4ll_client);
dhcp->ipv4ll_client = NULL;
- ipv4ll_running = false;
+ dhcp->ipv4ll_running = false;
g_free(dhcp->ipv4ll_debug_prefix);
dhcp->ipv4ll_debug_prefix = NULL;
@@ -117,18 +123,22 @@ static bool apply_dhcp_invalidate_on_network(struct connman_dhcp *dhcp)
__connman_service_timeserver_remove(service,
dhcp->timeservers[i]);
}
+ g_strfreev(dhcp->timeservers);
+ dhcp->timeservers = NULL;
}
if (dhcp->nameservers) {
for (i = 0; dhcp->nameservers[i]; i++) {
#if defined TIZEN_EXT
__connman_service_nameserver_remove(service,
- dhcp->nameservers[i], false,
- CONNMAN_IPCONFIG_TYPE_IPV4);
+ dhcp->nameservers[i], false,
+ CONNMAN_IPCONFIG_TYPE_IPV4);
#else
__connman_service_nameserver_remove(service,
- dhcp->nameservers[i], false);
+ dhcp->nameservers[i], false);
#endif
}
+ g_strfreev(dhcp->nameservers);
+ dhcp->nameservers = NULL;
}
return true;
@@ -246,7 +256,7 @@ static int ipv4ll_start_client(struct connman_dhcp *dhcp)
return err;
}
- ipv4ll_running = true;
+ dhcp->ipv4ll_running = true;
return 0;
}
@@ -270,16 +280,16 @@ static void no_lease_cb(GDHCPClient *dhcp_client, gpointer user_data)
struct connman_dhcp *dhcp = user_data;
int err;
- DBG("No lease available ipv4ll %d client %p", ipv4ll_running,
+ DBG("No lease available ipv4ll %d client %p", dhcp->ipv4ll_running,
dhcp->ipv4ll_client);
if (dhcp->timeout > 0)
g_source_remove(dhcp->timeout);
dhcp->timeout = g_timeout_add_seconds(RATE_LIMIT_INTERVAL,
- dhcp_retry_cb,
- dhcp);
- if (ipv4ll_running)
+ dhcp_retry_cb,
+ dhcp);
+ if (dhcp->ipv4ll_running)
return;
err = ipv4ll_start_client(dhcp);
@@ -287,7 +297,7 @@ static void no_lease_cb(GDHCPClient *dhcp_client, gpointer user_data)
DBG("Cannot start ipv4ll client (%d/%s)", err, strerror(-err));
/* Only notify upper layer if we have a problem */
- dhcp_invalidate(dhcp, !ipv4ll_running);
+ dhcp_invalidate(dhcp, !dhcp->ipv4ll_running);
}
static void lease_lost_cb(GDHCPClient *dhcp_client, gpointer user_data)
@@ -352,6 +362,20 @@ static bool apply_lease_available_on_network(GDHCPClient *dhcp_client,
return false;
}
+ option = g_dhcp_client_get_option(dhcp_client, G_DHCP_MTU);
+ if (option && option->data) {
+ int mtu, index, err;
+
+ mtu = atoi(option->data);
+
+ if (mtu >= IPV6_MIN_MTU && mtu <= ETH_DATA_LEN) {
+ index = __connman_ipconfig_get_index(dhcp->ipconfig);
+ err = connman_inet_set_mtu(index, mtu);
+
+ DBG("MTU %d index %d err %d", mtu, index, err);
+ }
+ }
+
option = g_dhcp_client_get_option(dhcp_client, 252);
if (option)
pac = g_strdup(option->data);
@@ -452,6 +476,7 @@ static void lease_available_cb(GDHCPClient *dhcp_client, gpointer user_data)
{
struct connman_dhcp *dhcp = user_data;
GList *option = NULL;
+ enum connman_ipconfig_method old_method;
char *address, *netmask = NULL, *gateway = NULL;
const char *c_address, *c_gateway;
unsigned char prefixlen, c_prefixlen;
@@ -507,6 +532,7 @@ static void lease_available_cb(GDHCPClient *dhcp_client, gpointer user_data)
} else if (prefixlen != c_prefixlen)
ip_change = true;
+ old_method = __connman_ipconfig_get_method(dhcp->ipconfig);
__connman_ipconfig_set_method(dhcp->ipconfig,
CONNMAN_IPCONFIG_METHOD_DHCP);
@@ -514,6 +540,20 @@ static void lease_available_cb(GDHCPClient *dhcp_client, gpointer user_data)
__connman_ipconfig_set_dhcp_lease_duration(dhcp->ipconfig, dhcp_lease_duration);
#endif
+ /*
+ * Notify IPv4.Configuration's method moved back to DHCP.
+ *
+ * This is the case ConnMan initially set an address by using
+ * IPv4LL because DHCP failed but now we got an address from DHCP.
+ */
+ if (old_method == CONNMAN_IPCONFIG_METHOD_AUTO) {
+ struct connman_service *service =
+ connman_service_lookup_from_network(dhcp->network);
+
+ if (service)
+ __connman_service_notify_ipv4_configuration(service);
+ }
+
if (ip_change) {
__connman_ipconfig_set_local(dhcp->ipconfig, address);
__connman_ipconfig_set_prefixlen(dhcp->ipconfig, prefixlen);
@@ -535,8 +575,9 @@ done:
static void ipv4ll_available_cb(GDHCPClient *ipv4ll_client, gpointer user_data)
{
struct connman_dhcp *dhcp = user_data;
- char *address, *netmask;
- unsigned char prefixlen;
+ enum connman_ipconfig_method old_method;
+ char *address, *netmask;
+ unsigned char prefixlen;
DBG("IPV4LL available");
@@ -545,8 +586,25 @@ static void ipv4ll_available_cb(GDHCPClient *ipv4ll_client, gpointer user_data)
prefixlen = connman_ipaddress_calc_netmask_len(netmask);
+ old_method = __connman_ipconfig_get_method(dhcp->ipconfig);
__connman_ipconfig_set_method(dhcp->ipconfig,
- CONNMAN_IPCONFIG_METHOD_DHCP);
+ CONNMAN_IPCONFIG_METHOD_AUTO);
+
+ /*
+ * Notify IPv4.Configuration's method is AUTO now.
+ *
+ * This is the case DHCP failed thus ConnMan used IPv4LL to get an
+ * address. Set IPv4.Configuration method to AUTO allows user to
+ * ask for a DHCP address by setting the method again to DHCP.
+ */
+ if (old_method == CONNMAN_IPCONFIG_METHOD_DHCP) {
+ struct connman_service *service =
+ connman_service_lookup_from_network(dhcp->network);
+
+ if (service)
+ __connman_service_notify_ipv4_configuration(service);
+ }
+
__connman_ipconfig_set_local(dhcp->ipconfig, address);
__connman_ipconfig_set_prefixlen(dhcp->ipconfig, prefixlen);
__connman_ipconfig_set_gateway(dhcp->ipconfig, NULL);
@@ -562,6 +620,7 @@ static int dhcp_initialize(struct connman_dhcp *dhcp)
GDHCPClient *dhcp_client;
GDHCPClientError error;
int index;
+ const char *vendor_class_id;
DBG("dhcp %p", dhcp);
@@ -610,10 +669,16 @@ static int dhcp_initialize(struct connman_dhcp *dhcp)
g_dhcp_client_set_request(dhcp_client, G_DHCP_DOMAIN_NAME);
g_dhcp_client_set_request(dhcp_client, G_DHCP_NTP_SERVER);
g_dhcp_client_set_request(dhcp_client, 252);
+ g_dhcp_client_set_request(dhcp_client, G_DHCP_MTU);
}
- g_dhcp_client_set_request(dhcp_client, G_DHCP_SUBNET);
g_dhcp_client_set_request(dhcp_client, G_DHCP_ROUTER);
+ g_dhcp_client_set_request(dhcp_client, G_DHCP_SUBNET);
+
+ vendor_class_id = connman_option_get_string("VendorClassID");
+ if (vendor_class_id)
+ g_dhcp_client_set_send(dhcp_client, G_DHCP_VENDOR_CLASS_ID,
+ vendor_class_id);
g_dhcp_client_register_event(dhcp_client,
G_DHCP_CLIENT_EVENT_LEASE_AVAILABLE,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 05:35:03 +0000