Recojo información de IPv6 extra en la interfaz.

src/common.h

@@ -30,6 +30,8 @@
 #include <net/ethernet.h>
 #include <linux/if.h>
 #include <linux/if_addr.h>
+#include <linux/ipv6.h>
+#include <linux/if_link.h>
 
 #include <glib.h>
 #include <gmodule.h>
@@ -118,6 +120,13 @@ typedef struct _WirelessInfo {
 	GList *aps;
 } WirelessInfo;
 
+/* Información extra de IPv6 para la interfaz */
+struct inet6_data {
+	uint32_t		i6_flags;
+	struct ifla_cacheinfo	i6_cacheinfo;
+	uint32_t		i6_conf[DEVCONF_MAX];
+	uint8_t			i6_addr_gen_mode;
+};
 
 struct _Interface {
 	NetworkInadorHandle *handle;
@@ -145,6 +154,10 @@ struct _Interface {
 	/* Tipo */
 	char rtnl_type[IFNAMSIZ];
 	
+	/* Para los parámetros de IPv4 e IPv6 */
+	struct inet6_data inet6_data;
+	
+	/* La lista de direcciones IP, ambas */
 	GList *address;
 	
 	InterfaceDHCPClientInfo dhcpc;

src/interfaces.c

@@ -216,7 +216,51 @@ static int _interfaces_receive_message_interface (struct nl_msg *msg, void *arg,
 				
 				u32data = nla_get_u32 (attr);
 				iface->vlan_parent = u32data;
-				printf ("Interface %d: tiene como padre a %d\n", iface->index, iface->vlan_parent);
+				//printf ("Interface %d: tiene como padre a %d\n", iface->index, iface->vlan_parent);
+				break;
+			case IFLA_AF_SPEC:
+				{
+					struct nlattr *sub_family;
+					int sub_family_len;
+					
+					sub_family = nla_data (attr);
+					remaining = nla_len (attr);
+					
+					while (remaining > sizeof (sub_family)) {
+						sub_family_len = sub_family->nla_len;
+						
+						if (sub_family_len > remaining) {
+							printf ("Los sub atributos se acabaron prematuramente\n");
+							break;
+						}
+						
+						if (sub_family->nla_type == AF_INET6) {
+							struct nlattr *sub_attr;
+							int sub_remaining;
+							
+							nla_for_each_nested(sub_attr, sub_family, sub_remaining) {
+								switch (nla_type (sub_attr)) {
+									case IFLA_INET6_FLAGS:
+										iface->inet6_data.i6_flags = nla_get_u32 (sub_attr);
+										break;
+									case IFLA_INET6_CONF:
+										memcpy (iface->inet6_data.i6_conf, nla_data (sub_attr), sizeof (iface->inet6_data.i6_conf));
+										break;
+									case IFLA_INET6_CACHEINFO:
+										memcpy (&iface->inet6_data.i6_cacheinfo, nla_data (sub_attr), sizeof (iface->inet6_data.i6_cacheinfo));
+										break;
+									case IFLA_INET6_ADDR_GEN_MODE:
+										iface->inet6_data.i6_addr_gen_mode = nla_get_u8 (sub_attr);
+										break;
+								}
+							}
+						}
+						/* Avanzar a la siguiente familia presente */
+						remaining -= RTA_ALIGN (sub_family_len);
+						sub_family = (struct nlattr *) (((char *) sub_family) + RTA_ALIGN (sub_family_len));
+					}
+				}
+				break;
 			/*default:
 				printf ("RTA Attribute \"%hu\" no procesado\n", nla_type (attr));*/
 		}
@@ -229,8 +273,8 @@ static int _interfaces_receive_message_interface (struct nl_msg *msg, void *arg,
 	}
 	
 	if (was_new) {
-		printf ("+++++ Interfaz nueva creada: %s\n", iface->name);
+		//printf ("+++++ Interfaz nueva creada: %s\n", iface->name);
-		wireless_interface_check (handle, iface);
+		//wireless_interface_check (handle, iface);
 		
 		iface->link_type = interfaces_check_link_type (iface);
 		
@@ -334,7 +378,7 @@ int interface_receive_message_dellink (struct nl_msg *msg, void *arg) {
 			}
 		}
 		
-		printf ("Interface %d se sacó de su bridge\n", iface->index);
+		//printf ("Interface %d se sacó de su bridge\n", iface->index);
 		
 		/* Generar EVENTO AQUI */
 		manager_send_event_interface_update (handle, iface);
@@ -343,7 +387,7 @@ int interface_receive_message_dellink (struct nl_msg *msg, void *arg) {
 	}
 	
 	route_ask_delayed_delroute (handle);
-	printf ("----- Interfaz eliminada: %s\n", iface->name);
+	//printf ("----- Interfaz eliminada: %s\n", iface->name);
 	
 	handle->interfaces = g_list_remove (handle->interfaces, iface);
 	
@@ -365,7 +409,7 @@ int interfaces_change_mac_address (NetworkInadorHandle *handle, int index, void
 	iface = _interfaces_locate_by_index (handle->interfaces, index);
 	
 	if (iface == NULL) {
-		printf ("Error, solicitaron operación sobre interfaz que no existe\n");
+		//printf ("Error, solicitaron operación sobre interfaz que no existe\n");
 		
 		return -1;
 	}
@@ -427,7 +471,7 @@ int interfaces_change_mtu (NetworkInadorHandle *handle, int index, uint32_t new_
 	iface = _interfaces_locate_by_index (handle->interfaces, index);
 	
 	if (iface == NULL) {
-		printf ("Error, solicitaron operación sobre interfaz que no existe\n");
+		//printf ("Error, solicitaron operación sobre interfaz que no existe\n");
 		
 		return -1;
 	}
@@ -618,6 +662,91 @@ int interfaces_change_name (NetworkInadorHandle *handle, int index, char * new_n
 	return 0;
 }
 
+/*int interfaces_set_sysctl_ipv6_params (NetworkInadorHandle *handle, int index, int param, ...) {
+	uint32_t new_sysctl[DEVCONF_MAX];
+	Interface *iface;
+	va_list va_list_params;
+	uint32_t value;
+	struct nl_msg * msg, *msg2, *msg3;
+	struct ifinfomsg iface_hdr;
+	int ret, error;
+	
+	iface = _interfaces_locate_by_index (handle->interfaces, index);
+	
+	if (iface == NULL) {
+		printf ("Error, solicitaron operación sobre interfaz que no existe\n");
+		
+		return -1;
+	}
+	
+	/* Copiar los sysctl previos para preservarlos */
+	memcpy (new_sysctl, iface->inet6_data.i6_conf, sizeof (new_sysctl));
+	
+	va_start (va_list_params, param);
+	while (param != -1) {
+		value = va_arg (va_list_params, uint32_t);
+		
+		if (param < DEVCONF_MAX) {
+			new_sysctl[param] = value;
+		}
+		
+		param = va_arg (va_list_params, int);
+	}
+	
+	va_end (va_list_params);
+	
+	/* Preparar el mensaje de configurar la interfaz */
+	memset (&iface_hdr, 0, sizeof (iface_hdr));
+#define LINK_ATTR_AF_SPEC	(1 << 27)
+	iface_hdr.ifi_family = AF_UNSPEC;
+	iface_hdr.ifi_index = iface->index;
+	iface_hdr.ifi_change = LINK_ATTR_AF_SPEC;
+	
+	msg = nlmsg_alloc_simple (RTM_SETLINK, NLM_F_REQUEST);
+	ret = nlmsg_append (msg, &iface_hdr, sizeof (iface_hdr), NLMSG_ALIGNTO);
+	
+	if (ret != 0) {
+		nlmsg_free (msg);
+		
+		return -1;
+	}
+	
+	/* FIXME: Aquí el nesting doble o triple */
+	msg2 = nlmsg_alloc_simple (RTM_NEWLINK, NLM_F_REQUEST);
+	msg3 = nlmsg_alloc_simple (RTM_NEWLINK, NLM_F_REQUEST);
+	
+	nla_put (msg3, IFLA_INET6_CONF, sizeof (new_sysctl), new_sysctl);
+	nla_put_nested (msg2, AF_INET6 | NLA_F_NESTED, msg3);
+	
+	nla_put_nested (msg, IFLA_AF_SPEC | NLA_F_NESTED, msg2);
+	
+	nl_complete_msg (handle->nl_sock_route, msg);
+	
+	ret = nl_send (handle->nl_sock_route, msg);
+	
+	nlmsg_free (msg);
+	nlmsg_free (msg2);
+	nlmsg_free (msg3);
+	
+	if (ret <= 0) {
+		return -1;
+	}
+	
+	error = 0;
+	nl_socket_modify_cb (handle->nl_sock_route, NL_CB_VALID, NL_CB_CUSTOM, _interfaces_wait_ack_or_error, &error);
+	nl_socket_modify_cb (handle->nl_sock_route, NL_CB_INVALID, NL_CB_CUSTOM, _interfaces_wait_ack_or_error, &error);
+	nl_socket_modify_cb (handle->nl_sock_route, NL_CB_ACK, NL_CB_CUSTOM, _interfaces_wait_ack_or_error, &error);
+	nl_socket_modify_err_cb (handle->nl_sock_route, NL_CB_CUSTOM, _interfaces_wait_error, &error);
+	
+	nl_recvmsgs_default (handle->nl_sock_route);
+	
+	if (ret <= 0 || error < 0) {
+		return -1;
+	}
+	
+	return 0;
+}*/
+
 void interfaces_init (NetworkInadorHandle *handle) {
 	/* Si es la primera vez que nos llaman, descargar una primera lista de interfaces */
 	struct nl_msg * msg;
@@ -661,3 +790,4 @@ void interfaces_clean_up (NetworkInadorHandle *handle) {
 	g_list_free_full (handle->interfaces, free);
 	handle->interfaces = NULL;
 }
+