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Fix a parsing bug when specifying more than one address with dotted decimal

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netmask.

Reported by:	Igor Anishchuk
PR:		kern/107565
MFC after:	3 days
This commit is contained in:
Max Laier 2007-01-07 03:02:02 +00:00
parent 9da038edfd
commit c2221c3536
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=165851
1 changed files with 8 additions and 2 deletions
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10
sbin/ipfw/ipfw2.c
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@ -2763,13 +2763,17 @@ fill_ip(ipfw_insn_ip *cmd, char *av)
* ',' indicating another address follows, '{' indicating a
* set of addresses of unspecified size.
*/
char *p = strpbrk(av, "/:,{");
char *t = NULL, *p = strpbrk(av, "/:,{");
int masklen;
char md;
char md, nd;
if (p) {
md = *p;
*p++ = '\0';
if ((t = strpbrk(p, ",{")) != NULL) {
nd = *t;
*t = '\0';
}
} else
md = '\0';
@ -2803,6 +2807,8 @@ fill_ip(ipfw_insn_ip *cmd, char *av)
break;
}
d[0] &= d[1]; /* mask base address with mask */
if (t)
*t = nd;
/* find next separator */
if (p)
p = strpbrk(p, ",{");