]> The Tcpdump Group git mirrors - tcpdump/blobdiff - print-isakmp.c
Get rid of an unused variable.
[tcpdump] / print-isakmp.c
index e6f8f82d4db5667fe556aa9eab0ac324ae9314dd..3db9ec41b5e4d13da26637a18d965552aab3fae1 100644 (file)
@@ -30,7 +30,7 @@
 
 #ifndef lint
 static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-isakmp.c,v 1.48 2004-03-25 03:31:05 mcr Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-isakmp.c,v 1.51 2005-04-07 00:28:17 mcr Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -1096,8 +1096,9 @@ isakmp_n_print(const struct isakmp_gen *ext, u_int item_len,
                        break;
                default:
                        /* NULL is dummy */
-                       isakmp_print(cp, item_len - sizeof(*p) - n.spi_size,
-                               NULL);
+                       isakmp_print(gndo, cp,
+                                    item_len - sizeof(*p) - n.spi_size,
+                                    NULL);
                }
                printf(")");
        }
@@ -1201,7 +1202,7 @@ isakmp_sub0_print(u_char np, const struct isakmp_gen *ext, const u_char *ep,
                 * XXX - what if item_len is too short, or too long,
                 * for this payload type?
                 */
-               cp = (*NPFUNC(np))(ext, item_len, ep, phase, doi, proto, depth);
+               cp = (*npfunc[np])(ext, item_len, ep, phase, doi, proto, depth);
        } else {
                printf("%s", NPSTR(np));
                cp += item_len;
@@ -1273,7 +1274,9 @@ safememcpy(void *p, const void *q, size_t l)
 }
 
 void
-isakmp_print(const u_char *bp, u_int length, const u_char *bp2)
+isakmp_print(netdissect_options *ndo,
+            const u_char *bp, u_int length,
+            const u_char *bp2)
 {
        const struct isakmp *p;
        struct isakmp base;
@@ -1284,7 +1287,7 @@ isakmp_print(const u_char *bp, u_int length, const u_char *bp2)
        int major, minor;
 
        p = (const struct isakmp *)bp;
-       ep = snapend;
+       ep = ndo->ndo_snapend;
 
        if ((struct isakmp *)ep < p + 1) {
                printf("[|isakmp]");
@@ -1383,3 +1386,64 @@ done:
                }
        }
 }
+
+void
+isakmp_rfc3948_print(netdissect_options *ndo,
+                    const u_char *bp, u_int length,
+                    const u_char *bp2)
+{
+       const u_char *ep;
+       ep = ndo->ndo_snapend;
+
+       if(length == 1 && bp[0]==0xff) {
+               ND_PRINT((ndo, "isakmp-nat-keep-alive"));
+               return;
+       }
+
+       if(length < 4) {
+               goto trunc;
+       }
+
+       /*
+        * see if this is an IKE packet
+        */
+       if(bp[0]==0 && bp[1]==0 && bp[2]==0 && bp[3]==0) {
+               ND_PRINT((ndo, "NONESP-encap: "));
+               isakmp_print(ndo, bp+4, length-4, bp2);
+               return;
+       }
+
+       /* must be an ESP packet */
+       {
+               int nh, enh, padlen;
+               int advance;
+
+               ND_PRINT((ndo, "UDP-encap: "));
+
+               advance = esp_print(ndo, bp, length, bp2, &enh, &padlen);
+               if(advance <= 0)
+                       return;
+
+               bp += advance;
+               length -= advance + padlen;
+               nh = enh & 0xff;
+            
+               ip_print_inner(ndo, bp, length, nh, bp2);
+               return;
+       }
+
+trunc:
+       printf("[|isakmp]");
+       return;
+}
+
+/*
+ * Local Variables:
+ * c-style: whitesmith
+ * c-basic-offset: 8
+ * End:
+ */
+
+
+  
+