diff options
| author | hannes <hannes> | 2005-11-29 09:07:47 +0000 |
|---|---|---|
| committer | hannes <hannes> | 2005-11-29 09:07:47 +0000 |
| commit | 95f66c8c622d57b50443c4d40be8b00a7de0aa94 (patch) | |
| tree | 251bb44669e6eabd03780438bc4c18d46c99ce06 | |
| parent | b55d46f064bb970eb9ec1e787a221cbc75774f3a (diff) | |
| download | tcpdump-95f66c8c622d57b50443c4d40be8b00a7de0aa94.tar.gz | |
add basic support for keyed authentication TCP option
| -rw-r--r-- | print-tcp.c | 11 | ||||
| -rw-r--r-- | tcp.h | 4 |
2 files changed, 12 insertions, 3 deletions
diff --git a/print-tcp.c b/print-tcp.c index 4fffc7a2..b5d70c82 100644 --- a/print-tcp.c +++ b/print-tcp.c @@ -23,7 +23,7 @@ #ifndef lint static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/tcpdump/print-tcp.c,v 1.123 2005-10-16 06:05:03 guy Exp $ (LBL)"; + "@(#) $Header: /tcpdump/master/tcpdump/print-tcp.c,v 1.124 2005-11-29 09:07:47 hannes Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H @@ -616,6 +616,15 @@ tcp_print(register const u_char *bp, register u_int length, #endif break; + case TCPOPT_AUTH: + (void)printf("Enhanced Auth: keyid %d", *cp++); + datalen = len - 3; + for (i = 0; i < datalen; ++i) { + LENCHECK(i); + (void)printf("%02x", cp[i]); + } + break; + default: (void)printf("opt-%u:", opt); datalen = len - 2; @@ -1,4 +1,4 @@ -/* @(#) $Header: /tcpdump/master/tcpdump/tcp.h,v 1.11 2004-03-23 07:15:37 guy Exp $ (LBL) */ +/* @(#) $Header: /tcpdump/master/tcpdump/tcp.h,v 1.12 2005-11-29 09:07:47 hannes Exp $ (LBL) */ /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. @@ -77,8 +77,8 @@ struct tcphdr { #define TCPOPT_CCECHO 13 /* T/TCP CC options (rfc1644) */ #define TCPOPT_SIGNATURE 19 /* Keyed MD5 (rfc2385) */ #define TCPOLEN_SIGNATURE 18 - #define TCP_SIGLEN 16 /* length of an option 19 digest */ +#define TCPOPT_AUTH 20 /* Enhanced AUTH option */ #define TCPOPT_TSTAMP_HDR \ (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP) |