Agrego cliente busybox udhcpc y comandos del manager.

src/common.h

@@ -45,6 +45,10 @@
 #define     INFINITY_LIFE_TIME      0xFFFFFFFFU
 #endif
 
+#define container_of(ptr, type, member) ({                      \
+        const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
+        (type *)( (char *)__mptr - offsetof(type,member) );})
+
 typedef struct _NetworkInadorHandle NetworkInadorHandle;
 typedef struct _NetworkInadorManager NetworkInadorManager;
 typedef struct _Interface Interface;
@@ -117,7 +121,8 @@ typedef struct _WirelessInfo {
 /* Información del proceso de DHCP */
 enum {
 	IFACE_NO_DHCP = 0,
-	IFACE_ISC_DHCLIENT
+	IFACE_ISC_DHCLIENT,
+	IFACE_BUSYBOX_UDHCPC
 };
 
 /* FIXME: Revisar estos estados */
@@ -150,6 +155,7 @@ typedef struct _InterfaceDHCPClientInfo {
 	int prefix;
 	
 	struct_addr dhcp_server_ip;
+	uint32_t lease_time;
 	
 	/* TODO: Falta almacenar la información de DNS */
 } InterfaceDHCPClientInfo;

src/dhcp_client.c

@@ -41,7 +41,7 @@ void interfaces_dhcp_client_ignore_kill (GPid pid, gint status, gpointer data) {
 	g_spawn_check_exit_status (status, NULL);
 }
 
-void interfaces_dhcp_prepare_args_for_dhclient (char **argv, int size, char *iface_name, char *pid_file, size_t pid_file_len) {
+void interfaces_dhcp_prepare_args_for_isc_dhclient (char **argv, int size, char *iface_name, char *pid_file, size_t pid_file_len) {
 	snprintf (pid_file, pid_file_len, "/run/dhclient-%s.pid", iface_name);
 	
 	/* Preparar los argumentos para el proceso */
@@ -56,6 +56,22 @@ void interfaces_dhcp_prepare_args_for_dhclient (char **argv, int size, char *ifa
 	argv[8] = NULL;
 }
 
+void interfaces_dhcp_prepare_args_for_busybox_udhcpc (char **argv, int size, char *iface_name, char *pid_file, size_t pid_file_len) {
+	snprintf (pid_file, pid_file_len, "/run/dhclient-%s.pid", iface_name);
+	
+	/* Preparar los argumentos para el proceso */
+	argv[0] = "/bin/busybox";
+	argv[1] = "udhcpc";
+	argv[2] = "-i";
+	argv[3] = iface_name;
+	argv[4] = "-p";
+	argv[5] = pid_file;
+	argv[6] = "-s";
+	argv[7] = "/home/gatuno/Proyectos/NetworkInador/src/ni-dhcp-helper";
+	argv[8] = "-f";
+	argv[9] = NULL;
+}
+
 void interfaces_dhcp_client_killed_cb (GPid pid, gint status, gpointer data) {
 	Interface *iface = (Interface *) data;
 	gboolean ret;
@@ -64,13 +80,17 @@ void interfaces_dhcp_client_killed_cb (GPid pid, gint status, gpointer data) {
 	gchar pid_file[256];
 	
 	/* Preparar los argumentos */
-	interfaces_dhcp_prepare_args_for_dhclient (argv, 20, iface->name, pid_file, sizeof (pid_file));
+	if (iface->dhcpc.type == IFACE_ISC_DHCLIENT) {
+		interfaces_dhcp_prepare_args_for_isc_dhclient (argv, 20, iface->name, pid_file, sizeof (pid_file));
+	} else if (iface->dhcpc.type == IFACE_BUSYBOX_UDHCPC) {
+		interfaces_dhcp_prepare_args_for_busybox_udhcpc (argv, 20, iface->name, pid_file, sizeof (pid_file));
+	}
 	
 	if (g_spawn_check_exit_status (status, NULL)) {
 		/* Revisar si necesito algo */
 	}
 	
-	if (iface->dhcpc.type == IFACE_ISC_DHCLIENT) {
+	if (iface->dhcpc.type == IFACE_ISC_DHCLIENT || iface->dhcpc.type == IFACE_BUSYBOX_UDHCPC) {
 		if (iface->dhcpc.flags & DHCP_CLIENT_FLAG_AUTO_RESTART) {
 			/* Se cerró o mataron el proceso, reiniciar */
 			ret = g_spawn_async_with_pipes (
@@ -105,6 +125,17 @@ void interfaces_dhcp_client_killed_cb (GPid pid, gint status, gpointer data) {
 	}
 }
 
+static void interfaces_dhcp_clear_info (InterfaceDHCPClientInfo *dhcpc) {
+	memset (&dhcpc->ip, 0, sizeof (dhcpc->ip));
+	memset (&dhcpc->gateway, 0, sizeof (dhcpc->gateway));
+	memset (&dhcpc->broadcast, 0, sizeof (dhcpc->broadcast));
+	memset (&dhcpc->dhcp_server_ip, 0, sizeof (dhcpc->dhcp_server_ip));
+	dhcpc->lease_time = 0;
+	dhcpc->prefix = 0;
+	
+	/* TODO: Borrar la información de DNS */
+}
+
 int interfaces_dhcp_client_run (NetworkInadorHandle *handle, int index, int type, uint32_t flags) {
 	/* IFNAMSIZ */
 	Interface *iface;
@@ -122,18 +153,23 @@ int interfaces_dhcp_client_run (NetworkInadorHandle *handle, int index, int type
 	}
 	
 	/* Preparar los argumentos */
-	interfaces_dhcp_prepare_args_for_dhclient (argv, 20, iface->name, pid_file, sizeof (pid_file));
+	if (type == IFACE_ISC_DHCLIENT) {
-	
+		interfaces_dhcp_prepare_args_for_isc_dhclient (argv, 20, iface->name, pid_file, sizeof (pid_file));
+	} else if (type == IFACE_BUSYBOX_UDHCPC) {
+		interfaces_dhcp_prepare_args_for_busybox_udhcpc (argv, 20, iface->name, pid_file, sizeof (pid_file));
+	}
 	if (iface->dhcpc.type != IFACE_NO_DHCP) {
 		/* No puedo correr otro tipo de DHCP */
 		return -1;
 	}
 	
-	if (iface->dhcpc.type == IFACE_ISC_DHCLIENT && iface->dhcpc.dhcp_state != DHCP_CLIENT_KILLED) {
+	if ((iface->dhcpc.type == IFACE_ISC_DHCLIENT || iface->dhcpc.type == IFACE_BUSYBOX_UDHCPC) && iface->dhcpc.dhcp_state != DHCP_CLIENT_KILLED) {
 		/* El cliente de dhcp ya está corriendo, no hacer nada */
 		return -1;
 	}
 	
+	interfaces_dhcp_clear_info (&iface->dhcpc);
+	
 	ret = g_spawn_async_with_pipes (
 		"/",
 		argv,
@@ -157,7 +193,7 @@ int interfaces_dhcp_client_run (NetworkInadorHandle *handle, int index, int type
 	}
 	
 	iface->dhcpc.dhcp_state = DHCP_CLIENT_EXTERNAL_RUNNING;
-	iface->dhcpc.type = IFACE_ISC_DHCLIENT;
+	iface->dhcpc.type = type;
 	iface->dhcpc.flags = flags;
 	
 	iface->dhcpc.process_watch = g_child_watch_add (iface->dhcpc.process_pid, interfaces_dhcp_client_killed_cb, iface);
@@ -165,7 +201,7 @@ int interfaces_dhcp_client_run (NetworkInadorHandle *handle, int index, int type
 	return 0;
 }
 
-void interfaces_dhcp_client_stop (NetworkInadorHandle *handle, int index) {
+int interfaces_dhcp_client_stop (NetworkInadorHandle *handle, int index) {
 	Interface *iface;
 	
 	iface = _interfaces_locate_by_index (handle->interfaces, index);
@@ -173,18 +209,18 @@ void interfaces_dhcp_client_stop (NetworkInadorHandle *handle, int index) {
 	if (iface == NULL) {
 		printf ("Error, solicitaron operación sobre interfaz que no existe\n");
 		
-		return;
+		return -1;
 	}
 	
 	if (iface->dhcpc.type == IFACE_NO_DHCP) {
-		return;
+		return -1;
 	}
 	
-	if (iface->dhcpc.type == IFACE_ISC_DHCLIENT) {
+	if (iface->dhcpc.type == IFACE_ISC_DHCLIENT || iface->dhcpc.type == IFACE_BUSYBOX_UDHCPC) {
-		if (iface->dhcpc.dhcp_state == DHCP_CLIENT_KILLED) return;
+		if (iface->dhcpc.dhcp_state == DHCP_CLIENT_KILLED) return -1;
 		
 		/* Proceso, matar y reiniciar estado */
-		iface->dhcpc.type = IFACE_NO_DHCP;
+		
 		iface->dhcpc.flags &= (~DHCP_CLIENT_FLAG_AUTO_RESTART);
 		
 		g_source_remove (iface->dhcpc.process_watch);
@@ -192,7 +228,15 @@ void interfaces_dhcp_client_stop (NetworkInadorHandle *handle, int index) {
 		g_child_watch_add (iface->dhcpc.process_pid, interfaces_dhcp_client_ignore_kill, NULL);
 		
 		kill (iface->dhcpc.process_pid, SIGTERM);
+		iface->dhcpc.type = IFACE_NO_DHCP;
+		
+		/* TODO: Revisar aquí si es pertinente desconfigurar la interfaz y borrar la información obtenida */
+		
+		interfaces_dhcp_clear_info (&iface->dhcpc);
+		/* TODO: Enviar actualización de estado aquí */
 	}
+	
+	return 0;
 }
 
 void interfaces_dhcp_client_internal_feed_from_client (NetworkInadorHandle *handle, int index, int status, struct_addr *ip, int prefix, struct_addr *gateway, struct_addr *broadcast, struct_addr *dhcp_server, uint32_t lease_time, struct_addr *dns_list, int dns_count, char *domain_name) {
@@ -211,7 +255,8 @@ void interfaces_dhcp_client_internal_feed_from_client (NetworkInadorHandle *hand
 		return;
 	}
 	
-	if (iface->dhcpc.type == IFACE_ISC_DHCLIENT) {
+	// TODO: Cuando entre a estado Selecting, previo otro estado diferente, borrar la IP, si es que tenemos
+	if (iface->dhcpc.type == IFACE_ISC_DHCLIENT || iface->dhcpc.type == IFACE_BUSYBOX_UDHCPC) {
 		/* Un proceso muerto no puede informar de cambios de estados */
 		if (iface->dhcpc.dhcp_state == DHCP_CLIENT_KILLED) return;
 		
@@ -248,6 +293,7 @@ void interfaces_dhcp_client_internal_feed_from_client (NetworkInadorHandle *hand
 		
 		memcpy (&iface->dhcpc.broadcast, broadcast, sizeof (iface->dhcpc.broadcast));
 		memcpy (&iface->dhcpc.dhcp_server_ip, dhcp_server, sizeof (iface->dhcpc.dhcp_server_ip));
+		iface->dhcpc.lease_time = lease_time;
 		char buf_a[256], buf_b[256], buf_c[256], buf_d[256];
 		
 		inet_ntop (AF_INET, &iface->dhcpc.ip, buf_a, sizeof (buf_a));

src/dhcp_client.h

@@ -26,7 +26,7 @@
 #include "common.h"
 
 int interfaces_dhcp_client_run (NetworkInadorHandle *handle, int index, int type, uint32_t flags);
-void interfaces_dhcp_client_stop (NetworkInadorHandle *handle, int index);
+int interfaces_dhcp_client_stop (NetworkInadorHandle *handle, int index);
 void interfaces_dhcp_client_internal_feed_from_client (NetworkInadorHandle *handle, int index, int status, struct_addr *ip, int prefix, struct_addr *gateway, struct_addr *broadcast, struct_addr *dhcp_server, uint32_t lease_time, struct_addr *dns_list, int dns_count, char *domain_name);
 
 #endif /* __DHCP_CLIENT_H__ */

src/manager.c

@@ -46,6 +46,8 @@
 
 #define COMMAND_SOCKET_PATH "/tmp/network-inador.socket"
 
+void _manager_send_dhcp_status (ManagerClientInfo *manager_client, InterfaceDHCPClientInfo *dhcpc, gboolean is_event);
+
 static void _manager_send_error (ManagerClientInfo *manager_client, int error, int orig_cmd) {
 	unsigned char buffer[8];
 	
@@ -732,7 +734,7 @@ static void _manager_execute_dhcp_client_feed (ManagerClientInfo *manager_client
 		return;
 	}
 	
-	if (iface->dhcpc.type != IFACE_ISC_DHCLIENT) {
+	if (iface->dhcpc.type != IFACE_ISC_DHCLIENT && iface->dhcpc.type != IFACE_BUSYBOX_UDHCPC) {
 		_manager_send_error (manager_client, NET_INADOR_ERROR_NOT_EXECUTED, NET_INADOR_COMMAND_DHCP_CLIENT_FEED);
 		return;
 	}
@@ -807,6 +809,183 @@ static void _manager_execute_dhcp_client_feed (ManagerClientInfo *manager_client
 	_manager_send_executed (manager_client);
 }
 
+static void _manager_execute_dhcp_run (ManagerClientInfo *manager_client, unsigned char *buffer, int buffer_len) {
+	Interface *iface;
+	int ret;
+	int family, tipo;
+	uint32_t flags;
+	
+	if (buffer_len < 12) {
+		_manager_send_error (manager_client, NET_INADOR_ERROR_INCOMPLETE_REQUEST, NET_INADOR_COMMAND_RUN_DHCP);
+		return;
+	}
+	
+	family = buffer[6];
+	
+	//if (family != AF_INET && family != AF_INET6) {
+	if (family != AF_INET) {
+		_manager_send_error (manager_client, NET_INADOR_ERROR_INVALID_FAMILY, NET_INADOR_COMMAND_RUN_DHCP);
+		
+		return;
+	}
+	
+	iface = _manager_fetch_interface (manager_client, &buffer[2], NET_INADOR_COMMAND_RUN_DHCP);
+	if (iface == NULL) return;
+	
+	tipo = buffer[7];
+	if (tipo == 1) {
+		tipo = IFACE_ISC_DHCLIENT;
+	} else if (tipo == 2) {
+		tipo = IFACE_BUSYBOX_UDHCPC;
+	} else {
+		_manager_send_error (manager_client, NET_INADOR_ERROR_INVALID_VALUE, NET_INADOR_COMMAND_RUN_DHCP);
+		
+		return;
+	}
+	
+	/* TODO: Revisar las banderas */
+	memcpy (&flags, &buffer[8], 4);
+	
+	ret = interfaces_dhcp_client_run (manager_client->manager->handle, iface->index, tipo, flags);
+	
+	if (ret == 0) {
+		/* OK */
+		_manager_send_executed (manager_client);
+	} else {
+		_manager_send_error (manager_client, NET_INADOR_ERROR_NOT_EXECUTED, NET_INADOR_COMMAND_RUN_DHCP);
+	}
+}
+
+static void _manager_execute_dhcp_stop (ManagerClientInfo *manager_client, unsigned char *buffer, int buffer_len) {
+	Interface *iface;
+	int ret;
+	int family;
+	
+	if (buffer_len < 7) {
+		_manager_send_error (manager_client, NET_INADOR_ERROR_INCOMPLETE_REQUEST, NET_INADOR_COMMAND_STOP_DHCP);
+		return;
+	}
+	
+	family = buffer[6];
+	
+	//if (family != AF_INET && family != AF_INET6) {
+	if (family != AF_INET) {
+		_manager_send_error (manager_client, NET_INADOR_ERROR_INVALID_FAMILY, NET_INADOR_COMMAND_STOP_DHCP);
+		
+		return;
+	}
+	
+	iface = _manager_fetch_interface (manager_client, &buffer[2], NET_INADOR_COMMAND_STOP_DHCP);
+	if (iface == NULL) return;
+	
+	ret = interfaces_dhcp_client_stop (manager_client->manager->handle, iface->index);
+	
+	if (ret == 0) {
+		/* OK */
+		_manager_send_executed (manager_client);
+	} else {
+		_manager_send_error (manager_client, NET_INADOR_ERROR_NOT_EXECUTED, NET_INADOR_COMMAND_STOP_DHCP);
+	}
+}
+
+static void _manager_execute_dhcp_get_status (ManagerClientInfo *manager_client, unsigned char *buffer, int buffer_len) {
+	Interface *iface;
+	int family;
+	
+	if (buffer_len < 7) {
+		_manager_send_error (manager_client, NET_INADOR_ERROR_INCOMPLETE_REQUEST, NET_INADOR_COMMAND_GET_DHCP_STATUS);
+		return;
+	}
+	
+	family = buffer[6];
+	
+	//if (family != AF_INET && family != AF_INET6) {
+	if (family != AF_INET) {
+		_manager_send_error (manager_client, NET_INADOR_ERROR_INVALID_FAMILY, NET_INADOR_COMMAND_GET_DHCP_STATUS);
+		
+		return;
+	}
+	
+	iface = _manager_fetch_interface (manager_client, &buffer[2], NET_INADOR_COMMAND_GET_DHCP_STATUS);
+	if (iface == NULL) return;
+	
+	_manager_send_dhcp_status (manager_client, &iface->dhcpc, FALSE);
+}
+
+void _manager_send_dhcp_status (ManagerClientInfo *manager_client, InterfaceDHCPClientInfo *dhcpc, gboolean is_event) {
+	Interface *iface;
+	unsigned char buffer[80];
+	int family_size = 0;
+	int label_len;
+	int pos;
+	int family = AF_INET;
+	struct in_addr empty;
+	
+	memset (&empty, 0, sizeof (empty));
+	
+	iface = container_of (dhcpc, Interface, dhcpc);
+	
+	if (is_event) {
+		buffer[0] = NET_INADOR_TYPE_EVENT;
+		buffer[1] = NET_INADOR_EVENT_DHCP_STATUS;
+	} else {
+		buffer[0] = NET_INADOR_TYPE_RESPONSE;
+		buffer[1] = NET_INADOR_RESPONSE_DHCP_STATUS;
+	}
+	
+	/* Familia */
+	if (family == AF_INET) {
+		family_size = sizeof (struct in_addr);
+	}
+	
+	memcpy (&buffer[2], &iface->index, 4);
+	buffer[6] = family;
+	buffer[7] = dhcpc->type;
+	buffer[8] = dhcpc->dhcp_state;
+	
+	/* Prefijo */
+	buffer[9] = dhcpc->prefix;
+	
+	/* Los campos de bits */
+	buffer[10] = 0;
+	if (memcmp (&dhcpc->gateway, &empty, 4) == 0) {
+		buffer[10] |= 0x01;
+	}
+	if (memcmp (&dhcpc->broadcast, &empty, 4) == 0) {
+		buffer[10] |= 0x02;
+	}
+	if (memcmp (&dhcpc->dhcp_server_ip, &empty, 4) == 0) {
+		buffer[10] |= 0x04;
+	}
+	
+	/* TODO: Falta enviar la información de cantidad de servidores DNS */
+	buffer[11] = 0;
+	
+	memcpy (&buffer[12], &dhcpc->lease_time, 4);
+	
+	/* La dirección principal */
+	memcpy (&buffer[16], &dhcpc->ip, family_size);
+	pos = 16 + family_size;
+	if (memcmp (&dhcpc->gateway, &empty, 4) != 0) {
+		memcpy (&buffer[pos], &dhcpc->gateway, family_size);
+		pos += family_size;
+	}
+	
+	if (memcmp (&dhcpc->broadcast, &empty, 4) != 0) {
+		memcpy (&buffer[pos], &dhcpc->broadcast, family_size);
+		pos += family_size;
+	}
+	
+	if (memcmp (&dhcpc->dhcp_server_ip, &empty, 4) != 0) {
+		memcpy (&buffer[pos], &dhcpc->dhcp_server_ip, family_size);
+		pos += family_size;
+	}
+	
+	/* TODO: Falta aquí enviar la lista de servidores DNS y el domain name */
+	
+	send (manager_client->fd, buffer, pos, 0);
+}
+
 static gboolean _manager_client_data (GIOChannel *source, GIOCondition condition, gpointer data) {
 	ManagerClientInfo *manager_client = (ManagerClientInfo *) data;
 	NetworkInadorManager *manager = manager_client->manager;
@@ -896,6 +1075,15 @@ static gboolean _manager_client_data (GIOChannel *source, GIOCondition condition
 		case NET_INADOR_COMMAND_DHCP_CLIENT_FEED:
 			_manager_execute_dhcp_client_feed (manager_client, buffer, bytes);
 			break;
+		case NET_INADOR_COMMAND_RUN_DHCP:
+			_manager_execute_dhcp_run (manager_client, buffer, bytes);
+			break;
+		case NET_INADOR_COMMAND_STOP_DHCP:
+			_manager_execute_dhcp_stop (manager_client, buffer, bytes);
+			break;
+		case NET_INADOR_COMMAND_GET_DHCP_STATUS:
+			_manager_execute_dhcp_get_status (manager_client, buffer, bytes);
+			break;
 		default:
 			_manager_send_error (manager_client, NET_INADOR_ERROR_WRONG_COMMAND, command);
 	}

src/network-inador-manager.h

@@ -12,6 +12,7 @@ enum {
 /* Lista de eventos */
 #define NET_INADOR_EVENT_MASK_INTERFACES 0x01
 #define NET_INADOR_EVENT_MASK_IP 0x02
+#define NET_INADOR_EVENT_MASK_DHCP_STATUS 0x04
 
 enum {
 	NET_INADOR_COMMAND_LIST_IFACES = 1,
@@ -34,6 +35,10 @@ enum {
 	NET_INADOR_COMMAND_ADD_IP,
 	NET_INADOR_COMMAND_REMOVE_IP,
 	
+	NET_INADOR_COMMAND_RUN_DHCP = 48,
+	NET_INADOR_COMMAND_STOP_DHCP,
+	NET_INADOR_COMMAND_GET_DHCP_STATUS,
+	
 	NET_INADOR_COMMAND_SET_EVENT_MASK = 192,
 	
 	/* Los siguientes comandos son para uso interno */
@@ -56,7 +61,9 @@ enum {
 	NET_INADOR_EVENT_IFACE_ADDED = 2,
 	NET_INADOR_EVENT_IPADDR_ADDED,
 	NET_INADOR_EVENT_IFACE_REMOVED,
-	NET_INADOR_EVENT_IPADDR_REMOVED
+	NET_INADOR_EVENT_IPADDR_REMOVED,
+	
+	NET_INADOR_EVENT_DHCP_STATUS = 6
 };
 
 enum {
@@ -64,6 +71,8 @@ enum {
 	
 	NET_INADOR_RESPONSE_IFACE = 2,
 	NET_INADOR_RESPONSE_IPADDR,
+	
+	NET_INADOR_RESPONSE_DHCP_STATUS = 6
 };
 
 enum {

src/ni-dhcp-iface-helper.c

@@ -274,17 +274,77 @@ int parse_int (char *var, int *entero) {
 	return 0;
 }
 
+enum {
+	IFACE_ISC_DHCLIENT = 1,
+	IFACE_BUSYBOX_UDHCPC
+};
+
+const char *isc_dhcp_reasons[] = {
+	"MEDIUM",
+	"PREINIT",
+	"BOUND",
+	"RENEW",
+	"REBIND",
+	"REBOOT",
+	"EXPIRE",
+	"FAIL",
+	"STOP",
+	"RELEASE",
+	"NBI",
+	"TIMEOUT",
+	NULL
+};
+
+const char *busybox_dhcp_argv[] = {
+	"deconfig",
+	"bound",
+	"renew",
+	"nak"
+};
+
 int main (int argc, char *argv[]) {
 	char *reason, *interface;
-	int s, ret;
+	int s, ret, tipo;
 	struct sockaddr_un path_dest;
 	struct in_addr ip, netmask, gateway, broadcast, dhcp_server;
 	int prefix, lease_time;
 	
 	debug (argc, argv);
 	
+	tipo = 0;
+	
+	/* Tratar de determinar si estamos siendo corridos por un el DHCP del ISC o por el udhcpc busybox */
 	reason = getenv ("reason");
 	
+	if (reason != NULL) {
+		s = 0;
+		while (isc_dhcp_reasons[s] != NULL) {
+			if (strcmp (reason, isc_dhcp_reasons[s]) == 0) {
+				/* Es un ISC DHCP Client */
+				tipo = IFACE_ISC_DHCLIENT;
+				break;
+			}
+			s++;
+		}
+	}
+	
+	if (tipo == 0 && argc > 1) {
+		/* Intentar revisar si es un busybox udhcpc */
+		s = 0;
+		while (busybox_dhcp_argv[s] != NULL) {
+			if (strcmp (argv[1], busybox_dhcp_argv[s]) == 0) {
+				tipo = IFACE_BUSYBOX_UDHCPC;
+				reason = argv[1];
+				break;
+			}
+			s++;
+		}
+	}
+	
+	if (tipo == 0) {
+		return 1;
+	}
+	
 	interface = getenv ("interface");
 	
 	if (reason == NULL || interface == NULL) {
@@ -308,12 +368,15 @@ int main (int argc, char *argv[]) {
 		return 1;
 	}
 	
-	if (strcmp (reason, "PREINIT") == 0) {
+	if (strcmp (reason, "PREINIT") == 0 || // ISC DHCP
+	    strcmp (reason, "deconfig") == 0 // Busybox udhcpc
+	    ) {
 		send_preinit (s, interface);
 	} if (strcmp (reason, "FAIL") == 0) {
 		
 	} else if (strcmp (reason, "BOUND") == 0 || strcmp (reason, "REBOOT") == 0 ||
-		strcmp (reason, "RENEW") == 0 || strcmp (reason, "REBIND") == 0
+		strcmp (reason, "RENEW") == 0 || strcmp (reason, "REBIND") == 0 || // 4 de ISC DHCP
+		strcmp (reason, "bound") == 0 || strcmp (reason, "renew") == 0 // 2 de Busybox udhcpc
 	) {
 		/*
 		 * Los valores más importantes recibidos:
@@ -328,12 +391,21 @@ int main (int argc, char *argv[]) {
 		 */
 		/* Parsear y revisar las direcciones IP recibidas */
 		char *s_ip, *s_mask, *s_gateway, *s_broadcast, *s_lease_time, *s_dhcp_server;
-		s_ip = getenv ("new_ip_address");
+		if (tipo == IFACE_ISC_DHCLIENT) {
-		s_mask = getenv ("new_subnet_mask");
+			s_ip = getenv ("new_ip_address");
-		s_gateway = getenv ("new_routers");
+			s_mask = getenv ("new_subnet_mask");
-		s_broadcast = getenv ("new_broadcast_address");
+			s_gateway = getenv ("new_routers");
-		s_lease_time = getenv ("new_dhcp_lease_time");
+			s_broadcast = getenv ("new_broadcast_address");
-		s_dhcp_server = getenv ("new_dhcp_server_identifier");
+			s_lease_time = getenv ("new_dhcp_lease_time");
+			s_dhcp_server = getenv ("new_dhcp_server_identifier");
+		} else if (tipo == IFACE_BUSYBOX_UDHCPC) {
+			s_ip = getenv ("ip");
+			s_mask = getenv ("subnet");
+			s_gateway = getenv ("router");
+			s_broadcast = getenv ("broadcast");
+			s_lease_time = getenv ("lease");
+			s_dhcp_server = getenv ("serverid");
+		}
 		/* TODO: Faltan los DNS */
 		
 		if (parse_ip (s_ip, &ip) < 0) {
@@ -364,7 +436,9 @@ int main (int argc, char *argv[]) {
 		}
 		
 		int is_bound = 0;
-		if (strcmp (reason, "BOUND") == 0 || strcmp (reason, "REBOOT") == 0) {
+		if (strcmp (reason, "BOUND") == 0 || strcmp (reason, "REBOOT") == 0 || // Del ISC dhcp
+		    strcmp (reason, "bound") == 0 // del busybox
+		) {
 			is_bound = 1;
 		}
 		send_bound_renew (s, is_bound, interface, &ip, prefix, &gateway, &broadcast, &dhcp_server, lease_time);