X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/a11713da52b0a72a1cb17f00fc339d332866e9ca..f7b8cfec15da3c75d501a1a85d515d4e747b65be:/print-pim.c

diff --git a/print-pim.c b/print-pim.c
index 6c31838a..f19607e1 100644
--- a/print-pim.c
+++ b/print-pim.c
@@ -20,19 +20,15 @@
  */
 
 #ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-pim.c,v 1.28 2001-06-15 22:17:34 fenner Exp $ (LBL)";
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-pim.c,v 1.37.2.4 2004-03-24 02:52:37 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/socket.h>
-
-#include <netinet/in.h>
+#include <tcpdump-stdinc.h>
 
 /*
  * XXX: We consider a case where IPv6 is not ready yet for portability,
@@ -56,7 +52,6 @@ struct pim {
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <unistd.h>
 
 #include "interface.h"
 #include "addrtoname.h"
@@ -118,6 +113,7 @@ pimv1_join_prune_print(register const u_char *bp, register u_int len)
 	while (ngroups--) {
 		TCHECK2(bp[0], 4);
 		(void)printf("\n\tGroup: %s", ipaddr_string(bp));
+		TCHECK2(bp[4], 4);
 		if (EXTRACT_32BITS(&bp[4]) != 0xffffffff)
 			(void)printf("/%s", ipaddr_string(&bp[4]));
 		TCHECK2(bp[8], 4);
@@ -127,7 +123,7 @@ pimv1_join_prune_print(register const u_char *bp, register u_int len)
 		bp += 12;
 		len -= 12;
 		for (njp = 0; njp < (njoin + nprune); njp++) {
-			char *type;
+			const char *type;
 
 			if (njp < njoin)
 				type = "Join ";
@@ -159,6 +155,7 @@ pimv1_print(register const u_char *bp, register u_int len)
 	if (bp >= ep)
 		return;
 
+	TCHECK(bp[1]);
 	type = bp[1];
 
 	switch (type) {
@@ -258,7 +255,9 @@ trunc:
 
 /*
  * auto-RP is a cisco protocol, documented at
- * ftp://ftpeng.cisco.com/ipmulticast/pim-autorp-spec01.txt
+ * ftp://ftpeng.cisco.com/ipmulticast/specs/pim-autorp-spec01.txt
+ *
+ * This implements version 1+, dated Sept 9, 1998.
  */
 void
 cisco_autorp_print(register const u_char *bp, register u_int len)
@@ -327,6 +326,8 @@ cisco_autorp_print(register const u_char *bp, register u_int len)
 		case 3:	printf(" PIMv1+2");
 			break;
 		}
+		if (bp[4] & 0xfc)
+			(void)printf(" [rsvd=0x%02x]", bp[4] & 0xfc);
 		TCHECK(bp[5]);
 		nentries = bp[5];
 		bp += 6; len -= 6;
@@ -335,6 +336,8 @@ cisco_autorp_print(register const u_char *bp, register u_int len)
 			TCHECK2(bp[0], 6);
 			(void)printf("%c%s%s/%d", s, bp[0] & 1 ? "!" : "",
 			    ipaddr_string(&bp[2]), bp[1]);
+			if (bp[0] & 0xfe)
+				(void)printf("[rsvd=0x%02x]", bp[0] & 0xfe);
 			s = ',';
 			bp += 6; len -= 6;
 		}
@@ -441,7 +444,7 @@ static int
 pimv2_addr_print(const u_char *bp, enum pimv2_addrtype at, int silent)
 {
 	int af;
-	char *afstr;
+	const char *afstr;
 	int len, hdrlen;
 
 	TCHECK(bp[0]);
@@ -578,7 +581,36 @@ pimv2_print(register const u_char *bp, register u_int len)
 				(void)printf(")");
 				break;
 
+			case 2:		/* LAN Prune Delay */
+				(void)printf(" (LAN-Prune-Delay: ");
+				if (olen != 4) {
+					(void)printf("!olen=%d!)", olen);
+				} else {
+					char t_bit;
+					u_int16_t lan_delay, override_interval;
+					lan_delay = EXTRACT_16BITS(&bp[4]);
+					override_interval = EXTRACT_16BITS(&bp[6]);
+					t_bit = (lan_delay & 0x8000)? 1 : 0;
+					lan_delay &= ~0x8000;
+					(void)printf("T-bit=%d lan-delay=%dms override-interval=%dms)",
+					t_bit, lan_delay, override_interval);
+				}
+				break;
+
+			case 18:	/* Old DR-Priority */
+				if (olen == 4)
+					(void)printf(" (OLD-DR-Priority: %d)",
+							EXTRACT_32BITS(&bp[4]));
+				else
+					goto unknown;
+				break;
+
+
 			case 19:	/* DR-Priority */
+				if (olen == 0) {
+					(void)printf(" (OLD-bidir-capable)");
+					break;
+				}
 				(void)printf(" (DR-Priority: ");
 				if (olen != 4) {
 					(void)printf("!olen=%d!)", olen);
@@ -607,7 +639,28 @@ pimv2_print(register const u_char *bp, register u_int len)
 				(void)printf(" (bidir-capable)");
 				break;
 
+			case 24:	/* Address List */
+			case 65001:	/* Address List (old implementations) */
+				(void)printf(" (%saddr-list",
+					     otype == 65001 ? "old" : "");
+				if (vflag > 1) {
+					const u_char *ptr = &bp[4];
+					while (ptr < &bp[4 + olen]) {
+						int advance;
+
+						printf(" ");
+						advance = pimv2_addr_print(ptr, pimv2_unicast, 0);
+						if (advance < 0) {
+							printf("...");
+							break;
+						}
+						ptr += advance;
+					}
+				}
+				(void)printf(")");
+				break;
 			default:
+			unknown:
 				if (vflag)
 					(void)printf(" [Hello option %d]", otype);
 			}