X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/3cd171317f54bc968808d49e3ca87b6c49ccdcdd..4fe64c9d253007f06b52c6d8be2c99bfc28f989b:/print-stp.c

diff --git a/print-stp.c b/print-stp.c
index 43bf9288..6ec2c097 100644
--- a/print-stp.c
+++ b/print-stp.c
@@ -10,26 +10,15 @@
  */
 
 #ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-stp.c,v 1.3 2000-07-01 03:39:10 assar Exp $";
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-stp.c,v 1.14 2005-04-26 07:26:34 guy Exp $";
 #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 <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <netinet/ip_var.h>
-#include <netinet/udp.h>
-#include <netinet/udp_var.h>
-#include <netinet/tcp.h>
-#include <netinet/tcpip.h>
+#include <tcpdump-stdinc.h>
 
 #include <stdlib.h>
 #include <stdio.h>
@@ -47,30 +36,30 @@ stp_print_bridge_id(const u_char *p)
 }
 
 static void
-stp_print_config_bpdu(const u_char *p, u_int length)
+stp_print_config_bpdu(const u_char *p)
 {
 	printf("config ");
-	if (p[7] & 1)
+	if (p[4] & 1)
 		printf("TOP_CHANGE ");
-	if (p[7] & 0x80)
+	if (p[4] & 0x80)
 		printf("TOP_CHANGE_ACK ");
 
-	stp_print_bridge_id(p+20);
-	printf(".%.2x%.2x ", p[28], p[29]);
+	stp_print_bridge_id(p+17);
+	printf(".%.2x%.2x ", p[25], p[26]);
 
 	printf("root ");
-	stp_print_bridge_id(p+8);
+	stp_print_bridge_id(p+5);
 
-	printf(" pathcost %i ", (p[16] << 24) | (p[17] << 16) | (p[18] << 8) | p[19]);
+	printf(" pathcost %i ", (p[13] << 24) | (p[14] << 16) | (p[15] << 8) | p[16]);
 
-	printf("age %i ", p[30]);
-	printf("max %i ", p[32]);
-	printf("hello %i ", p[34]);
-	printf("fdelay %i ", p[36]);
+	printf("age %i ", p[27]);
+	printf("max %i ", p[29]);
+	printf("hello %i ", p[31]);
+	printf("fdelay %i ", p[33]);
 }
 
 static void
-stp_print_tcn_bpdu(const u_char *p, u_int length)
+stp_print_tcn_bpdu(void)
 {
 	printf("tcn");
 }
@@ -81,29 +70,29 @@ stp_print_tcn_bpdu(const u_char *p, u_int length)
 void
 stp_print(const u_char *p, u_int length)
 {
-	if (length < 7)
+	if (length < 4)
 		goto trunc;
 
 	printf("802.1d ");
-	if (p[2] != 0x03 || p[3] || p[4] || p[5]) {
+	if (p[0] || p[1] || p[2]) {
 		printf("unknown version");
 		return;
 	}
-		
-	switch (p[6])
+
+	switch (p[3])
 	{
-	case 0:
+	case 0x00:
 		if (length < 10)
 			goto trunc;
-		stp_print_config_bpdu(p, length);
+		stp_print_config_bpdu(p);
 		break;
 
-	case 1:
-		stp_print_tcn_bpdu(p, length);
+	case 0x80:
+		stp_print_tcn_bpdu();
 		break;
 
 	default:
-		printf("unknown type %i\n", p[6]);
+		printf("unknown type %i", p[3]);
 		break;
 	}