## 04_multiple_intf.dpatch by Steve Kemp <skx@debian.org>

##

## DP: Work with multiple interfaces, Closes #242369.

--- dsniff-2.4b1.orig/arp.c	2001-03-15 11:32:58 +0300

+++ dsniff-2.4b1/arp.c	2004-09-05 20:50:40 +0400

@@ -39,7 +39,7 @@

 #ifdef BSD

 int

-arp_cache_lookup(in_addr_t ip, struct ether_addr *ether)

+arp_cache_lookup(in_addr_t ip, struct ether_addr *ether, const char* linf)

 {

 	int mib[6];

 	size_t len;

@@ -91,7 +91,7 @@ arp_cache_lookup(in_addr_t ip, struct et

 #endif

 int

-arp_cache_lookup(in_addr_t ip, struct ether_addr *ether)

+arp_cache_lookup(in_addr_t ip, struct ether_addr *ether, const char* linf)

 {

 	int sock;

 	struct arpreq ar;

@@ -99,7 +99,7 @@ arp_cache_lookup(in_addr_t ip, struct et

 	memset((char *)&ar, 0, sizeof(ar));

 #ifdef __linux__

-	strncpy(ar.arp_dev, "eth0", sizeof(ar.arp_dev));   /* XXX - *sigh* */

+	strncpy(ar.arp_dev, linf, strlen(linf));

 #endif

 	sin = (struct sockaddr_in *)&ar.arp_pa;

 	sin->sin_family = AF_INET;

--- dsniff-2.4b1.orig/arp.h	2001-03-15 11:27:08 +0300

+++ dsniff-2.4b1/arp.h	2004-09-05 20:50:40 +0400

@@ -11,6 +11,6 @@

 #ifndef _ARP_H_

 #define _ARP_H_

-int	arp_cache_lookup(in_addr_t ip, struct ether_addr *ether);

+int	arp_cache_lookup(in_addr_t ip, struct ether_addr *ether, const char* linf);

 #endif /* _ARP_H_ */

--- dsniff-2.4b1.orig/arpspoof.c	2001-03-15 11:32:58 +0300

+++ dsniff-2.4b1/arpspoof.c	2004-09-05 20:50:40 +0400

@@ -113,7 +113,7 @@ arp_find(in_addr_t ip, struct ether_addr

 	int i = 0;

 	do {

-		if (arp_cache_lookup(ip, mac) == 0)

+		if (arp_cache_lookup(ip, mac, intf) == 0)

 			return (1);

 #ifdef __linux__

 		/* XXX - force the kernel to arp. feh. */