]> The Tcpdump Group git mirrors - tcpdump/blobdiff - print-ospf.c
CHANGES: Add/move change(s) backported to 4.99
[tcpdump] / print-ospf.c
index d3f519c3bb223a351f40fec265bd0e3dfae201f2..eae546d9c296a216b3553d81e003ca581f0a8168 100644 (file)
@@ -23,9 +23,7 @@
 
 /* \summary: Open Shortest Path First (OSPF) printer */
 
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
 #include "netdissect-stdinc.h"
 
@@ -59,9 +57,10 @@ static const struct tok ospf_authtype_values[] = {
 static const struct tok ospf_rla_flag_values[] = {
        { RLA_FLAG_B,           "ABR" },
        { RLA_FLAG_E,           "ASBR" },
-       { RLA_FLAG_W1,          "Virtual" },
-       { RLA_FLAG_W2,          "W2" },
+       { RLA_FLAG_V,           "Virtual" },
+       { RLA_FLAG_W,           "Wildcard" },
        { RLA_FLAG_NT,          "Nt" },
+       { RLA_FLAG_H,           "Host" },
        { 0,                    NULL }
 };
 
@@ -697,8 +696,7 @@ ospf_print_lsa(netdissect_options *ndo,
                    GET_IPADDR_STRING(lsap->lsa_un.un_nla.nla_mask));
                ap = lsap->lsa_un.un_nla.nla_router;
                while ((const u_char *)ap < ls_end) {
-                       ND_TCHECK_SIZE(ap);
-                       ND_PRINT("\n\t      %s", GET_IPADDR_STRING(*ap));
+                       ND_PRINT("\n\t      %s", GET_IPADDR_STRING(ap));
                        ++ap;
                }
                break;
@@ -844,6 +842,11 @@ ospf_print_lsa(netdissect_options *ndo,
                         break;
 
                     }
+
+                    /* in OSPF everything has to be 32-bit aligned, including TLVs */
+                    if (tlv_length % 4) {
+                        tlv_length += (4 - (tlv_length % 4));
+                    }
                     tptr+=tlv_length;
                     ls_length_remaining-=tlv_length;
                 }
@@ -1000,8 +1003,7 @@ ospf_decode_v2(netdissect_options *ndo,
                if ((const u_char *)ap < dataend)
                        ND_PRINT("\n\t  Neighbor List:");
                while ((const u_char *)ap < dataend) {
-                       ND_TCHECK_SIZE(ap);
-                       ND_PRINT("\n\t    %s", GET_IPADDR_STRING(*ap));
+                       ND_PRINT("\n\t    %s", GET_IPADDR_STRING(ap));
                        ++ap;
                }
                break;  /* HELLO */
@@ -1068,7 +1070,8 @@ ospf_decode_v2(netdissect_options *ndo,
 
        case OSPF_TYPE_LS_ACK:
                 lshp = op->ospf_lsa.lsa_lshdr;
-                while (ospf_print_lshdr(ndo, lshp) != -1) {
+                while ((const u_char *)lshp < dataend) {
+                    ospf_print_lshdr(ndo, lshp);
                     ++lshp;
                 }
                 break;