]> The Tcpdump Group git mirrors - tcpdump/blobdiff - print-cip.c
Correctly check for various values of the ICMP type field.
[tcpdump] / print-cip.c
index 27986986bcc4e878231065aaa64009aba54ffc6f..e9d672fe761b5f0bb80fe2845bae93bd2b369083 100644 (file)
@@ -21,8 +21,8 @@
  */
 
 #ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-cip.c,v 1.20 2002-12-18 08:53:20 guy Exp $ (LBL)";
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-cip.c,v 1.26 2005-07-07 01:22:17 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -63,34 +63,24 @@ cip_print(int length)
 /*
  * This is the top level routine of the printer.  'p' points
  * to the LLC/SNAP or raw header of the packet, 'h->ts' is the timestamp,
- * 'h->length' is the length of the packet off the wire, and 'h->caplen'
+ * 'h->len' is the length of the packet off the wire, and 'h->caplen'
  * is the number of bytes actually captured.
  */
-void
-cip_if_print(u_char *user _U_, const struct pcap_pkthdr *h, const u_char *p)
+u_int
+cip_if_print(const struct pcap_pkthdr *h, const u_char *p)
 {
        u_int caplen = h->caplen;
        u_int length = h->len;
        u_short extracted_ethertype;
 
-       ++infodelay;
-       ts_print(&h->ts);
-
        if (memcmp(rfcllc, p, sizeof(rfcllc))==0 && caplen < RFC1483LLC_LEN) {
                printf("[|cip]");
-               goto out;
+               return (0);
        }
 
        if (eflag)
                cip_print(length);
 
-       /*
-        * Some printers want to check that they're not walking off the
-        * end of the packet.
-        * Rather than pass it all the way down, we set this global.
-        */
-       snapend = p + caplen;
-
        if (memcmp(rfcllc, p, sizeof(rfcllc)) == 0) {
                /*
                 * LLC header is present.  Try to print it & higher layers.
@@ -104,21 +94,23 @@ cip_if_print(u_char *user _U_, const struct pcap_pkthdr *h, const u_char *p)
                                printf("(LLC %s) ",
                               etherproto_string(htons(extracted_ethertype)));
                        }
-                       if (!xflag && !qflag)
+                       if (!suppress_default_print)
                                default_print(p, caplen);
                }
        } else {
                /*
                 * LLC header is absent; treat it as just IP.
                 */
-               ip_print(p, length);
+               ip_print(gndo, p, length);
        }
 
-       if (xflag)
-               default_print(p, caplen);
- out:
-       putchar('\n');
-       --infodelay;
-       if (infoprint)
-               info(0);
+       return (0);
 }
+
+
+/*
+ * Local Variables:
+ * c-style: whitesmith
+ * c-basic-offset: 8
+ * End:
+ */