bin/104921: [patch] ipfw(8) sometimes treats ipv6 input as ipv4 (another variation on PR 91245)

[Stephen E. Halpin]

The following reply was made to PR bin/104921; it has been noted by GNATS.

From: "Stephen E. Halpin" <seh-k3t3z4 at mail.quadrizen.com>
To: bug-followup at FreeBSD.org,
 seh-k3t3z4 at mail.quadrizen.com
Cc:  
Subject: Re: bin/104921: [patch] ipfw(8) sometimes treats ipv6 input as ipv4 (another variation on PR 91245)
Date: Mon, 21 Apr 2008 03:14:22 -0400

 (Note updated e-mail address...)
 
 The same problem exists in FreeBSD 6.3, and essentially the same set  
 of diffs work:
 
 *** ipfw2.c.orig	Sun Oct 14 04:58:01 2007
 --- ipfw2.c	Sun Jan 20 12:35:46 2008
 ***************
 *** 3816,3822 ****
 
    	if ((host = strdup(av)) == NULL)
    		return NULL;
 ! 	if ((ch = strrchr(host, '/')) != NULL)
    		*ch = '\0';
 
    	if (proto == IPPROTO_IPV6  || strcmp(av, "me6") == 0 ||
 --- 3816,3822 ----
 
    	if ((host = strdup(av)) == NULL)
    		return NULL;
 ! 	if ((ch = strpbrk(host, "/,")) != NULL)
    		*ch = '\0';
 
    	if (proto == IPPROTO_IPV6  || strcmp(av, "me6") == 0 ||
 ***************
 *** 3842,3848 ****
 
    	if ((host = strdup(av)) == NULL)
    		return NULL;
 ! 	if ((ch = strrchr(host, '/')) != NULL)
    		*ch = '\0';
 
    	if (proto == IPPROTO_IPV6  || strcmp(av, "me6") == 0 ||
 --- 3842,3848 ----
 
    	if ((host = strdup(av)) == NULL)
    		return NULL;
 ! 	if ((ch = strpbrk(host, "/,")) != NULL)
    		*ch = '\0';
 
    	if (proto == IPPROTO_IPV6  || strcmp(av, "me6") == 0 ||
 
 -Steve