add tracefiles for infinite loop testing

[tcpdump] / print-ospf.c

diff --git a/print-ospf.c b/print-ospf.c
index 4b3ade7bbcd95307e9034bb54b91df45651d6423..79ed39705f5f977dfbd2e8cb1ac7fc1751b3c95d 100644 (file)
--- a/print-ospf.c
+++ b/print-ospf.c
@@ -22,8 +22,8 @@
  */
 
 #ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-ospf.c,v 1.45 2003-10-22 20:00:03 guy Exp $ (LBL)";
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-ospf.c,v 1.45.2.4 2004-03-24 02:44:30 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -413,12 +413,10 @@ ospf_print_lsa(register const struct lsa *lsap)
 
            switch (*(&lsap->ls_hdr.un_lsa_id.opaque_field.opaque_type)) {
            case LS_OPAQUE_TYPE_TE:
-               if (!TTEST2(*tptr, 4))
-                   goto trunc;
-
                tptr = (u_int8_t *)(&lsap->lsa_un.un_te_lsa_tlv.type);
 
                while (ls_length != 0) {
+                    TCHECK2(*tptr, 4);
                    if (ls_length < 4) {
                         printf("\n\t    Remaining LS length %u < 4", ls_length);
                         return(ls_end);
@@ -447,8 +445,7 @@ ospf_print_lsa(register const struct lsa *lsap)
                                     tlv_length);
                                 return(ls_end);
                             }
-                            if (!TTEST2(*tptr, 4))
-                                goto trunc;
+                            TCHECK2(*tptr, 4);
                             subtlv_type = EXTRACT_16BITS(tptr);
                             subtlv_length = EXTRACT_16BITS(tptr+2);
                             tptr+=4;
@@ -459,8 +456,7 @@ ospf_print_lsa(register const struct lsa *lsap)
                                    subtlv_type,
                                    subtlv_length);
                             
-                            if (!TTEST2(*tptr, subtlv_length))
-                                goto trunc;
+                            TCHECK2(*tptr, subtlv_length);
                             switch(subtlv_type) {
                             case LS_OPAQUE_TE_LINK_SUBTLV_ADMIN_GROUP:
                                 printf(", 0x%08x", EXTRACT_32BITS(tptr));
@@ -550,6 +546,11 @@ ospf_print_lsa(register const struct lsa *lsap)
                         break;
                         
                     case LS_OPAQUE_TE_TLV_ROUTER:
+                        if (tlv_length < 4) {
+                            printf("\n\t    TLV length %u < 4", tlv_length);
+                            return(ls_end);
+                        }
+                        TCHECK2(*tptr, 4);
                         printf(", %s", ipaddr_string(tptr));
                         break;