160 lines
4.1 KiB
C
160 lines
4.1 KiB
C
/*
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* Copyright (c) 1992, 1993, 1994, 1995, 1996
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code distributions
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* retain the above copyright notice and this paragraph in its entirety, (2)
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* distributions including binary code include the above copyright notice and
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* this paragraph in its entirety in the documentation or other materials
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* provided with the distribution, and (3) all advertising materials mentioning
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* features or use of this software display the following acknowledgement:
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* ``This product includes software developed by the University of California,
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* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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* the University nor the names of its contributors may be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $FreeBSD$
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*/
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#ifndef lint
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static const char rcsid[] _U_ =
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"@(#) $Header: /tcpdump/master/tcpdump/print-sunrpc.c,v 1.47 2005-04-27 21:43:48 guy Exp $ (LBL)";
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <tcpdump-stdinc.h>
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#ifdef HAVE_GETRPCBYNUMBER
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#include <rpc/rpc.h>
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#ifdef HAVE_RPC_RPCENT_H
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#include <rpc/rpcent.h>
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#endif /* HAVE_RPC_RPCENT_H */
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#endif /* HAVE_GETRPCBYNUMBER */
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#include <stdio.h>
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#include <string.h>
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#include "interface.h"
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#include "addrtoname.h"
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#include "extract.h"
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#include "ip.h"
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#ifdef INET6
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#include "ip6.h"
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#endif
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#include "rpc_auth.h"
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#include "rpc_msg.h"
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#include "pmap_prot.h"
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static struct tok proc2str[] = {
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{ SUNRPC_PMAPPROC_NULL, "null" },
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{ SUNRPC_PMAPPROC_SET, "set" },
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{ SUNRPC_PMAPPROC_UNSET, "unset" },
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{ SUNRPC_PMAPPROC_GETPORT, "getport" },
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{ SUNRPC_PMAPPROC_DUMP, "dump" },
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{ SUNRPC_PMAPPROC_CALLIT, "call" },
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{ 0, NULL }
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};
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/* Forwards */
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static char *progstr(u_int32_t);
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void
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sunrpcrequest_print(register const u_char *bp, register u_int length,
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register const u_char *bp2)
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{
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register const struct sunrpc_msg *rp;
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register const struct ip *ip;
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#ifdef INET6
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register const struct ip6_hdr *ip6;
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#endif
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u_int32_t x;
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char srcid[20], dstid[20]; /*fits 32bit*/
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rp = (struct sunrpc_msg *)bp;
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if (!nflag) {
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snprintf(srcid, sizeof(srcid), "0x%x",
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EXTRACT_32BITS(&rp->rm_xid));
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strlcpy(dstid, "sunrpc", sizeof(dstid));
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} else {
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snprintf(srcid, sizeof(srcid), "0x%x",
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EXTRACT_32BITS(&rp->rm_xid));
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snprintf(dstid, sizeof(dstid), "0x%x", SUNRPC_PMAPPORT);
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}
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switch (IP_V((struct ip *)bp2)) {
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case 4:
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ip = (struct ip *)bp2;
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printf("%s.%s > %s.%s: %d",
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ipaddr_string(&ip->ip_src), srcid,
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ipaddr_string(&ip->ip_dst), dstid, length);
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break;
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#ifdef INET6
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case 6:
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ip6 = (struct ip6_hdr *)bp2;
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printf("%s.%s > %s.%s: %d",
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ip6addr_string(&ip6->ip6_src), srcid,
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ip6addr_string(&ip6->ip6_dst), dstid, length);
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break;
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#endif
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default:
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printf("%s.%s > %s.%s: %d", "?", srcid, "?", dstid, length);
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break;
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}
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printf(" %s", tok2str(proc2str, " proc #%u",
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EXTRACT_32BITS(&rp->rm_call.cb_proc)));
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x = EXTRACT_32BITS(&rp->rm_call.cb_rpcvers);
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if (x != 2)
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printf(" [rpcver %u]", x);
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switch (EXTRACT_32BITS(&rp->rm_call.cb_proc)) {
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case SUNRPC_PMAPPROC_SET:
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case SUNRPC_PMAPPROC_UNSET:
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case SUNRPC_PMAPPROC_GETPORT:
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case SUNRPC_PMAPPROC_CALLIT:
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x = EXTRACT_32BITS(&rp->rm_call.cb_prog);
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if (!nflag)
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printf(" %s", progstr(x));
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else
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printf(" %u", x);
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printf(".%u", EXTRACT_32BITS(&rp->rm_call.cb_vers));
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break;
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}
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}
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static char *
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progstr(prog)
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u_int32_t prog;
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{
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#ifdef HAVE_GETRPCBYNUMBER
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register struct rpcent *rp;
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#endif
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static char buf[32];
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static u_int32_t lastprog = 0;
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if (lastprog != 0 && prog == lastprog)
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return (buf);
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#ifdef HAVE_GETRPCBYNUMBER
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rp = getrpcbynumber(prog);
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if (rp == NULL)
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#endif
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(void) snprintf(buf, sizeof(buf), "#%u", prog);
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#ifdef HAVE_GETRPCBYNUMBER
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else
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strlcpy(buf, rp->r_name, sizeof(buf));
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#endif
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return (buf);
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}
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