provide multiline output for PIM Joins/Grafts/Graft-Acks

[tcpdump] / print-bootp.c

diff --git a/print-bootp.c b/print-bootp.c
index dbb9f3702dc8f24a5e873d74b99e785c74d0b7c8..cde864561701041b7038bf6afdd4e4775b86e0bc 100644 (file)
--- a/print-bootp.c
+++ b/print-bootp.c
@@ -20,6 +20,10 @@
  *
  * Format and print bootp packets.
  */
+#ifndef lint
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-bootp.c,v 1.78 2004-03-02 07:38:10 hannes Exp $ (LBL)";
+#endif
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -36,10 +40,6 @@
 #include "ether.h"
 #include "bootp.h"
 
-#ifndef lint
-static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-bootp.c,v 1.76 2003-11-15 00:39:17 guy Exp $ (LBL)";
-#endif
 static void rfc1048_print(const u_char *);
 static void cmu_print(const u_char *);
 
@@ -556,6 +556,10 @@ 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)