Mercurial > ecos

diff packages/net/common/current/src/dhcp_prot.c @ 1632:a5c7a6799462
+ * src/bootp_support.c (get_bootp_option, show_bootp): + * src/dhcp_prot.c (scan_dhcp_size): Fixed bug that didn't handle + the pad option.
author: asl
date: Thu, 13 May 2004 10:00:35 +0000
parents: 3d8f3b1724be
children: 2de3997bad7b
--- a/packages/net/common/current/src/dhcp_prot.c
+++ b/packages/net/common/current/src/dhcp_prot.c
@@ -110,8 +110,14 @@ scan_dhcp_size( struct bootp *ppkt )
         return NULL;
     }
     op += 4;
+
+    // This will only scan the options field.
     while (*op != TAG_END) {
-        op += *(op+1)+2;
+        if ( *op == TAG_PAD ) {
+            op++;
+        } else {
+          op += *(op+1)+2;
+        }
         if ( op > &ppkt->bp_vend[BP_VEND_LEN-1] ) {
             CYG_FAIL( "Oversize DHCP packet in dhcp_size" );
             return NULL;