Fix off-by-one in DHCPv6 FQDN option decoding.

fbbc1454 · Simon Kelley · 5ef33279 · fbbc1454
Commit fbbc1454 authored Mar 30, 2012 by Simon Kelley
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Showing with 22 additions and 22 deletions

src/rfc3315.c src/rfc3315.c +22 -22

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--- a/src/rfc3315.c
+++ b/src/rfc3315.c
@@ -353,7 +353,7 @@ static int dhcp6_no_relay(int msg_type, struct in6_addr *link_address, struct dh
 	   char *pq = daemon->dhcp_buff;
 	   
 	   pp = op;
-	  while (*op != 0 && ((op + (*op) + 1) - pp) < len)
+	   while (*op != 0 && ((op + (*op)) - pp) < len)
 	     {
 	       memcpy(pq, op+1, *op);
 	       pq += *op;