X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/d953299b94043156cab202c486dc5b864f71c633..309ca62193772fd8ba532fd413b51a61be0c741e:/print-token.c

diff --git a/print-token.c b/print-token.c
index d17e9506..4f8422b5 100644
--- a/print-token.c
+++ b/print-token.c
@@ -25,7 +25,7 @@
  */
 #ifndef lint
 static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-token.c,v 1.26 2005-07-07 01:22:21 guy Exp $";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-token.c,v 1.27 2005-11-13 12:12:43 guy Exp $";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -39,6 +39,7 @@ static const char rcsid[] _U_ =
 #include <string.h>
 
 #include "interface.h"
+#include "extract.h"
 #include "addrtoname.h"
 #include "ethertype.h"
 
@@ -126,7 +127,16 @@ token_print(const u_char *p, u_int length, u_int caplen)
 		if (eflag)
 			token_hdr_print(trp, length, ESRC(&ehdr), EDST(&ehdr));
 
+		if (caplen < TOKEN_HDRLEN + 2) {
+			printf("[|token-ring]");
+			return hdr_len;
+		}
 		route_len = RIF_LENGTH(trp);
+		hdr_len += route_len;
+		if (caplen < hdr_len) {
+			printf("[|token-ring]");
+			return hdr_len;
+		}
 		if (vflag) {
 			printf("%s ", broadcast_indicator[BROADCAST(trp)]);
 			printf("%s", direction[DIRECTION(trp)]);
@@ -135,10 +145,10 @@ token_print(const u_char *p, u_int length, u_int caplen)
 				printf(" [%d:%d]", RING_NUMBER(trp, seg),
 				    BRIDGE_NUMBER(trp, seg));
 		} else {
-			printf("rt = %x", ntohs(trp->token_rcf));
+			printf("rt = %x", EXTRACT_16BITS(&trp->token_rcf));
 
 			for (seg = 0; seg < SEGMENT_COUNT(trp); seg++)
-				printf(":%x", ntohs(trp->token_rseg[seg]));
+				printf(":%x", EXTRACT_16BITS(&trp->token_rseg[seg]));
 		}
 		printf(" (%s) ", largest_frame[LARGEST_FRAME(trp)]);
 	} else {
@@ -147,13 +157,11 @@ token_print(const u_char *p, u_int length, u_int caplen)
 	}
 
 	/* Skip over token ring MAC header and routing information */
-	hdr_len += route_len;
 	length -= hdr_len;
 	p += hdr_len;
 	caplen -= hdr_len;
 
 	/* Frame Control field determines interpretation of packet */
-	extracted_ethertype = 0;
 	if (FRAME_TYPE(trp) == TOKEN_FC_LLC) {
 		/* Try to print the LLC-layer header & higher layers */
 		if (llc_print(p, length, caplen, ESRC(&ehdr), EDST(&ehdr),