This commit was manufactured by cvs2svn to create tag 'V1_1_9_9mdk'.V1_1_9_9mdk

1 files changed, 0 insertions, 679 deletions

diff --git a/mdk-stage1/dhcp.c b/mdk-stage1/dhcp.c
deleted file mode 100644
index 32c7a932b..000000000
--- a/mdk-stage1/dhcp.c
+++ /dev/null
@@ -1,679 +0,0 @@
-/*
- * Guillaume Cottenceau (gc@mandrakesoft.com)
- *
- * Copyright 2000 MandrakeSoft
- *
- * This software may be freely redistributed under the terms of the GNU
- * public license.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-/*
- * Portions from Erik Troan (ewt@redhat.com)
- *
- * Copyright 1996 Red Hat Software 
- *
- */
-
-/*
- * Portions from GRUB  --  GRand Unified Bootloader
- * Copyright (C) 2000  Free Software Foundation, Inc.
- */
-
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <net/if.h>
-#include <arpa/inet.h>
-#include <net/route.h>
-#include <errno.h>
-#include <net/ethernet.h>
-#include <netinet/ip.h>
-#include <netinet/udp.h>
-#include <sys/time.h>
-#include <time.h>
-#include <fcntl.h>
-#include <sys/poll.h>
-
-#include "stage1.h"
-#include "log.h"
-#include "network.h"
-#include "frontend.h"
-#include "automatic.h"
-
-#include "dhcp.h"
-
-
-typedef int bp_int32;
-typedef short bp_int16;
-
-#define BOOTP_OPTION_NETMASK		1
-#define BOOTP_OPTION_GATEWAY		3
-#define BOOTP_OPTION_DNS		6
-#define BOOTP_OPTION_HOSTNAME		12
-#define BOOTP_OPTION_DOMAIN		15
-#define BOOTP_OPTION_BROADCAST		28
-
-#define DHCP_OPTION_REQADDR		50
-#define DHCP_OPTION_LEASE		51
-#define DHCP_OPTION_TYPE		53
-#define DHCP_OPTION_SERVER		54
-#define DHCP_OPTION_OPTIONREQ		55
-#define DHCP_OPTION_MAXSIZE		57
-
-#define DHCP_OPTION_CLIENT_IDENTIFIER	61
-
-#define BOOTP_CLIENT_PORT	68
-#define BOOTP_SERVER_PORT	67
-
-#define BOOTP_OPCODE_REQUEST	1
-#define BOOTP_OPCODE_REPLY	2
-
-#define DHCP_TYPE_DISCOVER	1
-#define DHCP_TYPE_OFFER		2
-#define DHCP_TYPE_REQUEST	3
-#define DHCP_TYPE_ACK		5
-#define DHCP_TYPE_RELEASE	7
-
-#define BOOTP_VENDOR_LENGTH	64
-#define DHCP_VENDOR_LENGTH	340
-
-struct bootp_request {
-	char opcode;
-	char hw;
-	char hwlength;
-	char hopcount;
-	bp_int32 id;
-	bp_int16 secs;
-	bp_int16 flags;
-	bp_int32 ciaddr, yiaddr, server_ip, bootp_gw_ip;
-	char hwaddr[16];
-	char servername[64];
-	char bootfile[128];
-	char vendor[DHCP_VENDOR_LENGTH];
-} ;
-
-static const char vendor_cookie[] = { 99, 130, 83, 99, 255 };
-
-
-static unsigned int verify_checksum(void * buf2, int length2)
-{
-	unsigned int csum = 0;
-	unsigned short * sp;
-
-	for (sp = (unsigned short *) buf2; length2 > 0; (length2 -= 2), sp++)
-		csum += *sp;
-	
-	while (csum >> 16)
-		csum = (csum & 0xffff) + (csum >> 16);
-
-	return (csum == 0xffff);
-}
-
-
-static int initial_setup_interface(char * device, int s) {
-	struct sockaddr_in * addrp;
-	struct ifreq req;
-	struct rtentry route;
-	int true = 1;
-	
-	addrp = (struct sockaddr_in *) &req.ifr_addr;
-	
-	strcpy(req.ifr_name, device);
-	addrp->sin_family = AF_INET;
-	addrp->sin_port = 0;
-	memset(&addrp->sin_addr, 0, sizeof(addrp->sin_addr));
-	
-	req.ifr_flags = 0; /* take it down */
-	if (ioctl(s, SIOCSIFFLAGS, &req)) {
-		log_perror("SIOCSIFFLAGS (downing)");
-		return -1;
-	}
-    
-	addrp->sin_family = AF_INET;
-	addrp->sin_addr.s_addr = htonl(0);
-	if (ioctl(s, SIOCSIFADDR, &req)) {
-		log_perror("SIOCSIFADDR");
-		return -1;
-	}
-
-	req.ifr_flags = IFF_UP | IFF_BROADCAST | IFF_RUNNING;
-	if (ioctl(s, SIOCSIFFLAGS, &req)) {
-		log_perror("SIOCSIFFLAGS (upping)");
-		return -1;
-	}
-
-	memset(&route, 0, sizeof(route));
-	memcpy(&route.rt_gateway, addrp, sizeof(*addrp));
-	
-	addrp->sin_family = AF_INET;
-	addrp->sin_port = 0;
-	addrp->sin_addr.s_addr = INADDR_ANY;
-	memcpy(&route.rt_dst, addrp, sizeof(*addrp));
-	memcpy(&route.rt_genmask, addrp, sizeof(*addrp));
-	
-	route.rt_dev = device;
-	route.rt_flags = RTF_UP;
-	route.rt_metric = 0;
-	
-	if (ioctl(s, SIOCADDRT, &route)) {
-		if (errno != EEXIST) {
-			close(s);
-			log_perror("SIOCADDRT");
-			return -1;
-		}
-	}
-	
-	if (setsockopt(s, SOL_SOCKET, SO_BROADCAST, &true, sizeof(true))) {
-		close(s);
-		log_perror("setsockopt");
-		return -1;
-	}
-
-	/* I need to sleep a bit in order for kernel to finish init of the
-           network device; this would allow to not send further multiple
-           dhcp requests when only one is needed. */
-	wait_message("Bringing up networking...");
-	sleep(2);
-	remove_wait_message();
-
-	return 0;
-}
-
-
-void set_missing_ip_info(struct interface_info * intf)
-{
-	bp_int32 ipNum = *((bp_int32 *) &intf->ip);
-	bp_int32 nmNum;
-
-	if (intf->netmask.s_addr == 0)
-		inet_aton(guess_netmask(inet_ntoa(intf->ip)), &intf->netmask);
-
-	nmNum = *((bp_int32 *) &intf->netmask);
-
-	if (intf->broadcast.s_addr == 0)
-		*((bp_int32 *) &intf->broadcast) = (ipNum & nmNum) | ~(nmNum);
-
-	if (intf->network.s_addr == 0)
-		*((bp_int32 *) &intf->network) = ipNum & nmNum;
-}
-
-static void parse_reply(struct bootp_request * breq, struct interface_info * intf)
-{
-	unsigned char * chptr;
-	unsigned char option, length;
-
-	if (breq->bootfile && strlen(breq->bootfile) > 0)
-		stage2_kickstart = strdup(breq->bootfile);
-	
-	memcpy(&intf->ip, &breq->yiaddr, 4);
-
-	chptr = breq->vendor;
-	chptr += 4;
-	while (*chptr != 0xFF && (void *) chptr < (void *) breq->vendor + DHCP_VENDOR_LENGTH) {
-		char tmp_str[500];
-		option = *chptr++;
-		if (!option)
-			continue;
-		length = *chptr++;
-
-		switch (option) {
-		case BOOTP_OPTION_DNS:
-			memcpy(&dns_server, chptr, sizeof(dns_server));
-			log_message("got dns %s", inet_ntoa(dns_server));
-			if (length >= sizeof(dns_server)*2) {
-				memcpy(&dns_server2, chptr+sizeof(dns_server), sizeof(dns_server2));
-				log_message("got dns2 %s", inet_ntoa(dns_server2));
-			}
-			break;
-
-		case BOOTP_OPTION_NETMASK:
-			memcpy(&intf->netmask, chptr, sizeof(intf->netmask));
-			log_message("got netmask %s", inet_ntoa(intf->netmask));
-			break;
-		    
-		case BOOTP_OPTION_DOMAIN:
-			memcpy(tmp_str, chptr, length);
-			tmp_str[length] = '\0';
-			domain = strdup(tmp_str);
-			log_message("got domain %s", domain);
-			break;
-
-		case BOOTP_OPTION_BROADCAST:
-			memcpy(&intf->broadcast, chptr, sizeof(intf->broadcast));
-			log_message("got broadcast %s", inet_ntoa(intf->broadcast));
-			break;
-
-		case BOOTP_OPTION_GATEWAY:
-			memcpy(&gateway, chptr, sizeof(gateway));
-			log_message("got gateway %s", inet_ntoa(gateway));
-			break;
-
-		case BOOTP_OPTION_HOSTNAME:
-			memcpy(tmp_str, chptr, length);
-			tmp_str[length] = '\0';
-			hostname = strdup(tmp_str);
-			log_message("got hostname %s", hostname);
-			break;
-
-		}
-
-		chptr += length;
-	}
-
-	set_missing_ip_info(intf);
-}
-
-
-static void init_vendor_codes(struct bootp_request * breq) {
-	memcpy(breq->vendor, vendor_cookie, sizeof(vendor_cookie));
-}
-
-static char gen_hwaddr[16];
-
-static int prepare_request(struct bootp_request * breq, int sock, char * device)
-{
-	struct ifreq req;
-	
-	memset(breq, 0, sizeof(*breq));
-	
-	breq->opcode = BOOTP_OPCODE_REQUEST;
-	
-	strcpy(req.ifr_name, device);
-	if (ioctl(sock, SIOCGIFHWADDR, &req)) {
-		log_perror("SIOCSIFHWADDR");
-		return -1;
-	}
-	
-	breq->hw = 1; 		/* ethernet */
-	breq->hwlength = IFHWADDRLEN;	
-	memcpy(breq->hwaddr, req.ifr_hwaddr.sa_data, IFHWADDRLEN);
-	memcpy(gen_hwaddr, req.ifr_hwaddr.sa_data, IFHWADDRLEN);
-	
-	breq->hopcount = 0;
-	
-	init_vendor_codes(breq);
-	
-	return 0;
-}
-
-static int get_vendor_code(struct bootp_request * bresp, unsigned char option, void * data)
-{
-	unsigned char * chptr;
-	unsigned int length, theOption;
-	
-	chptr = bresp->vendor + 4;
-	while (*chptr != 0xFF && *chptr != option) {
-		theOption = *chptr++;
-		if (!theOption)
-			continue;
-		length = *chptr++;
-		chptr += length;
-	}
-	
-	if (*chptr++ == 0xff)
-		return 1;
-	
-	length = *chptr++;
-	memcpy(data, chptr, length);
-	
-	return 0;
-}
-
-
-static unsigned long currticks(void)
-{
-	struct timeval tv;
-	unsigned long csecs;
-	unsigned long ticks_per_csec, ticks_per_usec;
-	
-	/* Note: 18.2 ticks/sec.  */
-	
-	gettimeofday (&tv, 0);
-	csecs = tv.tv_sec / 10;
-	ticks_per_csec = csecs * 182;
-	ticks_per_usec = (((tv.tv_sec - csecs * 10) * 1000000 + tv.tv_usec) * 182 / 10000000);
-	return ticks_per_csec + ticks_per_usec;
-}
-
-
-#define BACKOFF_LIMIT 7
-#define	TICKS_PER_SEC 18
-#define MAX_ARP_RETRIES	4
-
-static void rfc951_sleep(int exp)
-{
-	static long seed = 0;
-	long q;
-	unsigned long tmo;
-	
-	if (exp > BACKOFF_LIMIT)
-		exp = BACKOFF_LIMIT;
-	
-	if (!seed)
-		/* Initialize linear congruential generator.  */
-		seed = (currticks () + *(long *) &gen_hwaddr + ((short *) gen_hwaddr)[2]);
-  
-	/* Simplified version of the LCG given in Bruce Scheier's
-	   "Applied Cryptography".  */
-	q = seed / 53668;
-	if ((seed = 40014 * (seed - 53668 * q) - 12211 * q) < 0)
-		seed += 2147483563l;
-	
-	/* Compute mask.  */
-	for (tmo = 63; tmo <= 60 * TICKS_PER_SEC && --exp > 0; tmo = 2 * tmo + 1)
-		;
-  
-	/* Sleep.  */
-	log_message("<sleep>");
-	
-	for (tmo = (tmo & seed) + currticks (); currticks () < tmo;);
-}
-
-
-static int handle_transaction(int s, struct bootp_request * breq, struct bootp_request * bresp,
-			      struct sockaddr_in * server_addr, int dhcp_type)
-{
-	struct pollfd polls;
-	int i, j;
-	int retry = 1;
-	int sin;
-	char eth_packet[ETH_FRAME_LEN];
-	struct iphdr * ip_hdr;
-	struct udphdr * udp_hdr;
-	unsigned char type;
-	unsigned long starttime;
-	int timeout = 1;
-
-	breq->id = starttime = currticks();
-	breq->secs = 0;
-
-	sin = socket(AF_PACKET, SOCK_DGRAM, ntohs(ETH_P_IP));
-	if (sin < 0) {
-		log_perror("af_packet socket");
-		return -1;
-	}
-
-	while (retry <= MAX_ARP_RETRIES) {
-		i = sizeof(*breq);
-
-		if (sendto(s, breq, i, 0, (struct sockaddr *) server_addr, sizeof(*server_addr)) != i) {
-			close(s);
-			log_perror("sendto");
-			return -1;
-		}
-		
-		polls.fd = sin;
-		polls.events = POLLIN;
-
-		while (poll(&polls, 1, timeout*1000) == 1) {
-
-			if ((j = recv(sin, eth_packet, sizeof(eth_packet), 0)) == -1) {
-				log_perror("recv");
-				continue;
-			}
-			
-			/* We need to do some basic sanity checking of the header */
-			if (j < (signed)(sizeof(*ip_hdr) + sizeof(*udp_hdr)))
-				continue;
-			
-			ip_hdr = (void *) eth_packet;
-			if (!verify_checksum(ip_hdr, sizeof(*ip_hdr)))
-				continue;
-
-			if (ntohs(ip_hdr->tot_len) > j)
-				continue;
-
-			j = ntohs(ip_hdr->tot_len);
-			
-			if (ip_hdr->protocol != IPPROTO_UDP)
-				continue;
-			
-			udp_hdr = (void *) (eth_packet + sizeof(*ip_hdr));
-
-			if (ntohs(udp_hdr->source) != BOOTP_SERVER_PORT)
-				continue;
-			
-			if (ntohs(udp_hdr->dest) != BOOTP_CLIENT_PORT)
-				continue;
-			/* Go on with this packet; it looks sane */
-			
-			/* Originally copied sizeof (*bresp) - this is a security
-			   problem due to a potential underflow of the source
-			   buffer.  Also, it trusted that the packet was properly
-			   0xFF terminated, which is not true in the case of the
-			   DHCP server on Cisco 800 series ISDN router. */
-			
-			memset (bresp, 0xFF, sizeof (*bresp));
-			memcpy (bresp, (char *) udp_hdr + sizeof (*udp_hdr), j - sizeof (*ip_hdr) - sizeof (*udp_hdr));
-			
-			/* sanity checks */
-			if (bresp->id != breq->id)
-				continue;
-			if (bresp->opcode != BOOTP_OPCODE_REPLY)
-				continue;
-			if (bresp->hwlength != breq->hwlength)
-				continue;
-			if (memcmp(bresp->hwaddr, breq->hwaddr, bresp->hwlength))
-				continue;
-			if (get_vendor_code(bresp, DHCP_OPTION_TYPE, &type) || type != dhcp_type)
-				continue;
-			if (memcmp(bresp->vendor, vendor_cookie, 4))
-				continue;
-			return 0;
-		}
-		rfc951_sleep(retry);
-		breq->secs = htons ((currticks () - starttime) / 20);
-		retry++;
-		timeout *= 2;
-		if (timeout > 5)
-			timeout = 5;
-	}
-	
-	return -1;
-}
-
-static void add_vendor_code(struct bootp_request * breq, unsigned char option, unsigned char length, void * data)
-{
-	unsigned char * chptr;
-	int theOption, theLength;
-
-	chptr = breq->vendor;
-	chptr += 4;
-	while (*chptr != 0xFF && *chptr != option) {
-		theOption = *chptr++;
-		if (!theOption) continue;
-		theLength = *chptr++;
-		chptr += theLength;
-	}
-
-	*chptr++ = option;
-	*chptr++ = length;
-	memcpy(chptr, data, length);
-	chptr[length] = 0xff;
-}
-
-
-char * dhcp_hostname = NULL;
-char * dhcp_domain = NULL;
-
-enum return_type perform_dhcp(struct interface_info * intf)
-{
-	int s, i;
-	struct sockaddr_in server_addr;
-	struct sockaddr_in client_addr;
-	struct sockaddr_in broadcast_addr;
-	struct bootp_request breq, bresp;
-	unsigned char messageType;
-	unsigned int lease;
-	short aShort;
-	int num_options;
-	char requested_options[50];
-	char * client_id_str, * client_id_hwaddr;
-
-	if (strncmp(intf->device, "eth", 3)) {
-		stg1_error_message("DHCP available only for Ethernet networking.");
-		return RETURN_ERROR;
-	}
-
-	s = socket(AF_INET, SOCK_DGRAM, 0);
-	if (s < 0) {
-		log_perror("socket");
-		return RETURN_ERROR;
-	}
-
-	{
-		enum return_type results;
-		char * questions[] = { "Host name", "Domain name", NULL };
-		char * questions_auto[] = { "hostname", "domain" };
-		static char ** answers = NULL;
-		char * boulet;
-
-		client_id_str = client_id_hwaddr = NULL;
-		
-		results = ask_from_entries_auto("If the DHCP server needs to know you by name; please fill in this information. "
-						"Valid answers are for example: `mybox' for hostname and `mynetwork.com' for "
-						"domain name, for a machine called `mybox.mynetwork.com' on the Internet.",
-						questions, &answers, 32, questions_auto, NULL);
-		if (results == RETURN_OK)
-		{
-			dhcp_hostname = answers[0];
-			if ((boulet = strchr(dhcp_hostname, '.')) != NULL)
-				boulet[0] = '\0';
-			dhcp_domain = answers[1];
-			
-			if (*dhcp_hostname && *dhcp_domain) {
-				/* if we have both, then create client id from them */
-				client_id_str = malloc(1 + strlen(dhcp_hostname) + 1 + strlen(dhcp_domain) + 1);
-				client_id_str[0] = '\0';
-				sprintf(client_id_str+1, "%s.%s", dhcp_hostname, dhcp_domain);
-			}
-		}
-	}
-
-	if (initial_setup_interface(intf->device, s) != 0) {
-		close(s);
-		return RETURN_ERROR;
-	}
-
-	if (prepare_request(&breq, s, intf->device) != 0) {
-		close(s);
-		return RETURN_ERROR;
-	}
-
-	messageType = DHCP_TYPE_DISCOVER;
-	add_vendor_code(&breq, DHCP_OPTION_TYPE, 1, &messageType);
-
-	/* add pieces needed to have DDNS/DHCP IP selection based on requested name */
-	if (dhcp_hostname && *dhcp_hostname) { /* pick client id form based on absence or presence of domain name */
-		if (*dhcp_domain) /* alternate style <hostname>.<domainname> */
-			add_vendor_code(&breq, DHCP_OPTION_CLIENT_IDENTIFIER, strlen(client_id_str+1)+1, client_id_str);
-		else { /* usual style (aka windows / dhcpcd) */
-			/* but put MAC in form required for client identifier first */
-			client_id_hwaddr = malloc(IFHWADDRLEN+2);
-			client_id_hwaddr[0] = 1;  /* set flag for ethernet */
-			memcpy(client_id_hwaddr+1, gen_hwaddr, IFHWADDRLEN);
-			add_vendor_code(&breq, DHCP_OPTION_CLIENT_IDENTIFIER, IFHWADDRLEN+1, client_id_hwaddr);
-		}
-		/* this is the one that the dhcp server really wants for DDNS updates */
-		add_vendor_code(&breq, BOOTP_OPTION_HOSTNAME, strlen(dhcp_hostname), dhcp_hostname);
-		log_message("DHCP: telling server to use name = %s", dhcp_hostname);
-	}
-
-	memset(&client_addr.sin_addr, 0, sizeof(&client_addr.sin_addr));
-	client_addr.sin_family = AF_INET;
-	client_addr.sin_port = htons(BOOTP_CLIENT_PORT);	/* bootp client */
-
-	if (bind(s, (struct sockaddr *) &client_addr, sizeof(client_addr))) {
-		log_perror("bind");
-		return RETURN_ERROR;
-	}
-
-	broadcast_addr.sin_family = AF_INET;
-	broadcast_addr.sin_port = htons(BOOTP_SERVER_PORT);	/* bootp server */
-	memset(&broadcast_addr.sin_addr, 0xff, sizeof(broadcast_addr.sin_addr));  /* broadcast */
-
-	log_message("DHCP: sending DISCOVER");
-
-	wait_message("Sending DHCP request...");
-	i = handle_transaction(s, &breq, &bresp, &broadcast_addr, DHCP_TYPE_OFFER);
-	remove_wait_message();
-
-	if (i != 0) {
-		stg1_error_message("No DHCP reply received.");
-		close(s);
-		return RETURN_ERROR;
-	}
-
-	server_addr.sin_family = AF_INET;
-	server_addr.sin_port = htons(BOOTP_SERVER_PORT);	/* bootp server */
-	if (get_vendor_code(&bresp, DHCP_OPTION_SERVER, &server_addr.sin_addr)) {
-		close(s);
-		log_message("DHCPOFFER didn't include server address");
-		return RETURN_ERROR;
-	}
-
-	init_vendor_codes(&breq);
-	messageType = DHCP_TYPE_REQUEST;
-	add_vendor_code(&breq, DHCP_OPTION_TYPE, 1, &messageType);
-	add_vendor_code(&breq, DHCP_OPTION_SERVER, 4, &server_addr.sin_addr);
-	add_vendor_code(&breq, DHCP_OPTION_REQADDR, 4, &bresp.yiaddr);
-
-	/* if used the first time, then have to use it again */
-	if (dhcp_hostname && *dhcp_hostname) { /* add pieces needed to have DDNS/DHCP IP selection based on requested name */
-		if (dhcp_domain && *dhcp_domain) /* alternate style */
-			add_vendor_code(&breq, DHCP_OPTION_CLIENT_IDENTIFIER, strlen(client_id_str+1)+1, client_id_str);
-		else /* usual style (aka windows / dhcpcd) */
-			add_vendor_code(&breq, DHCP_OPTION_CLIENT_IDENTIFIER, IFHWADDRLEN+1, client_id_hwaddr);
-		/* this is the one that the dhcp server really wants for DDNS updates */
-		add_vendor_code(&breq, BOOTP_OPTION_HOSTNAME, strlen(dhcp_hostname), dhcp_hostname);
-	}
-
-	aShort = ntohs(sizeof(struct bootp_request));
-	add_vendor_code(&breq, DHCP_OPTION_MAXSIZE, 2, &aShort);
-
-	num_options = 0;
-	requested_options[num_options++] = BOOTP_OPTION_NETMASK;
-	requested_options[num_options++] = BOOTP_OPTION_GATEWAY;
-	requested_options[num_options++] = BOOTP_OPTION_DNS;
-	requested_options[num_options++] = BOOTP_OPTION_DOMAIN;
-	requested_options[num_options++] = BOOTP_OPTION_BROADCAST;
-	add_vendor_code(&breq, DHCP_OPTION_OPTIONREQ, num_options, requested_options);
-
-	/* request a lease of 1 hour */
-	i = htonl(60 * 60);
-	add_vendor_code(&breq, DHCP_OPTION_LEASE, 4, &i);
-
-	log_message("DHCP: sending REQUEST");
-
-	i = handle_transaction(s, &breq, &bresp, &broadcast_addr, DHCP_TYPE_ACK);
-
-	if (i != 0) {
-		close(s);
-		return RETURN_ERROR;
-	}
-
-	if (get_vendor_code(&bresp, DHCP_OPTION_LEASE, &lease)) {
-		log_message("failed to get lease time\n");
-		return RETURN_ERROR;
-	}
-	lease = ntohl(lease);
-
-	close(s);
-
-	intf->netmask.s_addr = 0;
-	intf->broadcast.s_addr = 0;
-	intf->network.s_addr = 0;
-
-	parse_reply(&bresp, intf);
-
-	return RETURN_OK;
-}