X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/b466dcdfe6fc9b962122fa5e7a94ffd721065599..40e7f314ac41d4c6dc542ebb577cfd063df35e19:/print-bootp.c

diff --git a/print-bootp.c b/print-bootp.c
index b4864007..d1534c7a 100644
--- a/print-bootp.c
+++ b/print-bootp.c
@@ -21,8 +21,8 @@
  * Format and print bootp packets.
  */
 #ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-bootp.c,v 1.72 2003-04-28 07:43:03 hannes Exp $ (LBL)";
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-bootp.c,v 1.79 2005-04-20 10:30:52 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -45,11 +45,22 @@ static void cmu_print(const u_char *);
 
 static char tstr[] = " [|bootp]";
 
+static const struct tok bootp_flag_values[] = {
+    { 0x8000,                   "Broadcast" },
+    { 0, NULL}
+};
+
+static const struct tok bootp_op_values[] = {
+    { BOOTPREQUEST,             "Request" },
+    { BOOTPREPLY,               "Reply" },
+    { 0, NULL}
+};
+
 /*
  * Print bootp requests
  */
 void
-bootp_print(register const u_char *cp, u_short sport, u_short dport, u_int length)
+bootp_print(register const u_char *cp, u_int length)
 {
 	register const struct bootp *bp;
 	static const u_char vm_cmu[4] = VM_CMU;
@@ -130,7 +141,7 @@ bootp_print(register const u_char *cp, u_short sport, u_short dport, u_int lengt
 		}
 		putchar('"');
 	}
-	TCHECK2(bp->bp_sname[0], 1);		/* check first char only */
+	TCHECK2(bp->bp_file[0], 1);		/* check first char only */
 	if (*bp->bp_file) {
 		printf("\n\t  file \"");
 		if (fn_print(bp->bp_file, snapend)) {
@@ -545,6 +556,11 @@ rfc1048_print(register const u_char *bp)
 				break;
 
 			case TAG_CLIENT_FQDN:
+				/* option 81 should be at least 4 bytes long */
+				if (len < 4)  {
+                                        printf("ERROR: options 81 len %u < 4 bytes", len);
+					break;
+				}
 				if (*bp++)
 					printf("[svrreg]");
 				if (*bp)