diff options
| author | assar <assar> | 2000-06-01 01:09:32 +0000 |
|---|---|---|
| committer | assar <assar> | 2000-06-01 01:09:32 +0000 |
| commit | 52d93585482b1698092955019032becbe97a9df9 (patch) | |
| tree | d474ee2625ce951de120f95d6826b7a2136f2e68 /print-tcp.c | |
| parent | eb57b708515dd1e197e81bf399299246dc53f913 (diff) | |
| download | tcpdump-52d93585482b1698092955019032becbe97a9df9.tar.gz | |
support print the NFS-over-TCP
From Francisco Matias Cuenca-Acuna <mcuenca@george.rutgers.edu>
Diffstat (limited to 'print-tcp.c')
| -rw-r--r-- | print-tcp.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/print-tcp.c b/print-tcp.c index 7821f8c5..fe8f5eab 100644 --- a/print-tcp.c +++ b/print-tcp.c @@ -21,7 +21,7 @@ #ifndef lint static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/print-tcp.c,v 1.65 2000-04-28 11:34:13 itojun Exp $ (LBL)"; + "@(#) $Header: /tcpdump/master/tcpdump/print-tcp.c,v 1.66 2000-06-01 01:09:32 assar Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H @@ -31,6 +31,8 @@ static const char rcsid[] = #include <sys/param.h> #include <sys/time.h> +#include <rpc/rpc.h> + #include <netinet/in.h> #include <netinet/in_systm.h> #include <netinet/ip.h> @@ -126,6 +128,9 @@ static struct tcp_seq_hash tcp_seq_hash[TSEQ_HASHSIZE]; #define BGP_PORT 179 #endif #define NETBIOS_SSN_PORT 139 +#ifndef NFS_PORT +#define NFS_PORT 2049 +#endif void tcp_print(register const u_char *bp, register u_int length, @@ -162,6 +167,28 @@ tcp_print(register const u_char *bp, register u_int length, sport = ntohs(tp->th_sport); dport = ntohs(tp->th_dport); + + hlen = tp->th_off * 4; + + /* + * If data present and NFS port used, assume NFS. + * Pass offset of data plus 4 bytes for RPC TCP msg length + * to NFS print routines. + */ + if (!qflag) { + if ((u_char *)tp + 4 + sizeof(struct rpc_msg) <= snapend && + dport == NFS_PORT) { + nfsreq_print((u_char *)tp + hlen + 4, length-hlen, + (u_char *)ip); + return; + } else if ((u_char *)tp + 4 + sizeof(struct rpc_msg) + <= snapend && + sport == NFS_PORT) { + nfsreply_print((u_char *)tp + hlen + 4,length-hlen, + (u_char *)ip); + return; + } + } #ifdef INET6 if (ip6) { if (ip6->ip6_nxt == IPPROTO_TCP) { @@ -317,7 +344,6 @@ tcp_print(register const u_char *bp, register u_int length, /*fool gcc*/ thseq = thack = threv = 0; } - hlen = tp->th_off * 4; if (hlen > length) { (void)printf(" [bad hdr length]"); return; |