From: deraadt <deraadt@openbsd.org>
Date: Wed, 5 Feb 1997 20:57:39 +0000 (+0000)
Subject: repair incorrect IP_OPTIONS parsing
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=c6d9c06b70cc1a826f2300e88f3d1de88f8750eb;p=openbsd

repair incorrect IP_OPTIONS parsing
---

diff --git a/usr.sbin/sendmail/src/daemon.c b/usr.sbin/sendmail/src/daemon.c
index bd8a9146de2..8f176392048 100644
--- a/usr.sbin/sendmail/src/daemon.c
+++ b/usr.sbin/sendmail/src/daemon.c
@@ -1394,10 +1394,10 @@ postident:
 				l -= strlen(p);
 
 				/* o[1] is option length */
-				j = *++o / sizeof(struct in_addr) - 1;
+				j = o[1] / sizeof(struct in_addr) - 1;
 
 				/* q skips length and router pointer to data */
-				q = o + 2;
+				q = o + 1 + 2;
 				for ( ; j >= 0; j--)
 				{
 					memcpy(&addr, q, sizeof(addr));
@@ -1412,7 +1412,7 @@ postident:
 					l -= i + 1;
 					q += sizeof(struct in_addr); 
 				}
-				o += *o;
+				o += o[1];
 				break;
 
 			  default: