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/* $OpenBSD: print-sunrpc.c,v 1.20 2015/11/16 00:16:39 mmcc Exp $ */ |
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/* |
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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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#include <sys/time.h> |
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#include <sys/socket.h> |
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struct mbuf; |
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struct rtentry; |
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#include <net/if.h> |
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#include <netinet/in.h> |
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#include <netinet/if_ether.h> |
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#include <netinet/ip.h> |
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#include <netinet/ip_var.h> |
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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 |
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#include <rpc/pmap_prot.h> |
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#include <ctype.h> |
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#include <netdb.h> |
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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 "privsep.h" |
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static struct tok proc2str[] = { |
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{ PMAPPROC_NULL, "null" }, |
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{ PMAPPROC_SET, "set" }, |
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{ PMAPPROC_UNSET, "unset" }, |
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{ PMAPPROC_GETPORT, "getport" }, |
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{ PMAPPROC_DUMP, "dump" }, |
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{ 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(const u_char *bp, u_int length, const u_char *bp2) |
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{ |
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const struct rpc_msg *rp; |
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const struct ip *ip; |
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u_int32_t x; |
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rp = (struct rpc_msg *)bp; |
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ip = (struct ip *)bp2; |
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printf("xid 0x%x %d", (u_int32_t)ntohl(rp->rm_xid), length); |
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printf(" %s", tok2str(proc2str, " proc #%u", |
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(u_int32_t)ntohl(rp->rm_call.cb_proc))); |
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x = ntohl(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 (ntohl(rp->rm_call.cb_proc)) { |
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case PMAPPROC_SET: |
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case PMAPPROC_UNSET: |
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case PMAPPROC_GETPORT: |
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case PMAPPROC_CALLIT: |
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x = ntohl(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", (u_int32_t)ntohl(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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char progname[32]; |
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static char buf[32]; |
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static int lastprog = 0; |
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if (lastprog != 0 && prog == lastprog) |
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return (buf); |
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lastprog = prog; |
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if (priv_getrpcbynumber(prog, progname, sizeof(progname)) == 0) |
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snprintf(buf, sizeof(buf), "#%u", prog); |
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else |
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strlcpy(buf, progname, sizeof(buf)); |
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return (buf); |
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} |