/* * Copyright (c) 1992, 1993, 1994, 1995, 1996 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that: (1) source code distributions * retain the above copyright notice and this paragraph in its entirety, (2) * distributions including binary code include the above copyright notice and * this paragraph in its entirety in the documentation or other materials * provided with the distribution, and (3) all advertising materials mentioning * features or use of this software display the following acknowledgement: * ``This product includes software developed by the University of California, * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of * the University nor the names of its contributors may be used to endorse * or promote products derived from this software without specific prior * written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * $FreeBSD$ */ #ifndef lint static const char rcsid[] = "@(#) $Header: /tcpdump/master/tcpdump/print-sunrpc.c,v 1.39.6.1 2002/06/01 23:51:16 guy Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #ifdef HAVE_RPC_RPCENT_H #include #endif #include #include #include #include #include #include "interface.h" #include "addrtoname.h" #include "ip.h" #ifdef INET6 #include "ip6.h" #endif static struct tok proc2str[] = { { PMAPPROC_NULL, "null" }, { PMAPPROC_SET, "set" }, { PMAPPROC_UNSET, "unset" }, { PMAPPROC_GETPORT, "getport" }, { PMAPPROC_DUMP, "dump" }, { PMAPPROC_CALLIT, "call" }, { 0, NULL } }; /* Forwards */ static char *progstr(u_int32_t); void sunrpcrequest_print(register const u_char *bp, register u_int length, register const u_char *bp2) { register const struct rpc_msg *rp; register const struct ip *ip; #ifdef INET6 register const struct ip6_hdr *ip6; #endif u_int32_t x; char srcid[20], dstid[20]; /*fits 32bit*/ rp = (struct rpc_msg *)bp; if (!nflag) { snprintf(srcid, sizeof(srcid), "0x%x", (u_int32_t)ntohl(rp->rm_xid)); strlcpy(dstid, "sunrpc", sizeof(dstid)); } else { snprintf(srcid, sizeof(srcid), "0x%x", (u_int32_t)ntohl(rp->rm_xid)); snprintf(dstid, sizeof(dstid), "0x%x", PMAPPORT); } switch (IP_V((struct ip *)bp2)) { case 4: ip = (struct ip *)bp2; printf("%s.%s > %s.%s: %d", ipaddr_string(&ip->ip_src), srcid, ipaddr_string(&ip->ip_dst), dstid, length); break; #ifdef INET6 case 6: ip6 = (struct ip6_hdr *)bp2; printf("%s.%s > %s.%s: %d", ip6addr_string(&ip6->ip6_src), srcid, ip6addr_string(&ip6->ip6_dst), dstid, length); break; #endif default: printf("%s.%s > %s.%s: %d", "?", srcid, "?", dstid, length); break; } printf(" %s", tok2str(proc2str, " proc #%u", (u_int32_t)ntohl(rp->rm_call.cb_proc))); x = ntohl(rp->rm_call.cb_rpcvers); if (x != 2) printf(" [rpcver %u]", x); switch (ntohl(rp->rm_call.cb_proc)) { case PMAPPROC_SET: case PMAPPROC_UNSET: case PMAPPROC_GETPORT: case PMAPPROC_CALLIT: x = ntohl(rp->rm_call.cb_prog); if (!nflag) printf(" %s", progstr(x)); else printf(" %u", x); printf(".%u", (u_int32_t)ntohl(rp->rm_call.cb_vers)); break; } } static char * progstr(prog) u_int32_t prog; { register struct rpcent *rp; static char buf[32]; static int lastprog = 0; if (lastprog != 0 && prog == lastprog) return (buf); rp = getrpcbynumber(prog); if (rp == NULL) (void) snprintf(buf, sizeof(buf), "#%u", prog); else strlcpy(buf, rp->r_name, sizeof(buf)); return (buf); }