1 /* 2 * Copyright (c) 1992, 1993, 1994, 1995, 1996 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that: (1) source code distributions 7 * retain the above copyright notice and this paragraph in its entirety, (2) 8 * distributions including binary code include the above copyright notice and 9 * this paragraph in its entirety in the documentation or other materials 10 * provided with the distribution, and (3) all advertising materials mentioning 11 * features or use of this software display the following acknowledgement: 12 * ``This product includes software developed by the University of California, 13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 14 * the University nor the names of its contributors may be used to endorse 15 * or promote products derived from this software without specific prior 16 * written permission. 17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 20 * 21 * $FreeBSD$ 22 */ 23 24 #ifndef lint 25 static const char rcsid[] _U_ = 26 "@(#) $Header: /tcpdump/master/tcpdump/print-sunrpc.c,v 1.43.2.2 2003/11/16 08:51:47 guy Exp $ (LBL)"; 27 #endif 28 29 #ifdef HAVE_CONFIG_H 30 #include "config.h" 31 #endif 32 33 #include <tcpdump-stdinc.h> 34 35 #include <rpc/rpc.h> 36 #ifdef HAVE_RPC_RPCENT_H 37 #include <rpc/rpcent.h> 38 #endif 39 #ifndef WIN32 40 #include <rpc/pmap_prot.h> 41 #endif /* WIN32 */ 42 43 #include <stdio.h> 44 #include <string.h> 45 46 #include "interface.h" 47 #include "addrtoname.h" 48 #include "extract.h" 49 50 #include "ip.h" 51 #ifdef INET6 52 #include "ip6.h" 53 #endif 54 55 static struct tok proc2str[] = { 56 { PMAPPROC_NULL, "null" }, 57 { PMAPPROC_SET, "set" }, 58 { PMAPPROC_UNSET, "unset" }, 59 { PMAPPROC_GETPORT, "getport" }, 60 { PMAPPROC_DUMP, "dump" }, 61 { PMAPPROC_CALLIT, "call" }, 62 { 0, NULL } 63 }; 64 65 /* Forwards */ 66 static char *progstr(u_int32_t); 67 68 void 69 sunrpcrequest_print(register const u_char *bp, register u_int length, 70 register const u_char *bp2) 71 { 72 register const struct rpc_msg *rp; 73 register const struct ip *ip; 74 #ifdef INET6 75 register const struct ip6_hdr *ip6; 76 #endif 77 u_int32_t x; 78 char srcid[20], dstid[20]; /*fits 32bit*/ 79 80 rp = (struct rpc_msg *)bp; 81 82 if (!nflag) { 83 snprintf(srcid, sizeof(srcid), "0x%x", 84 EXTRACT_32BITS(&rp->rm_xid)); 85 strlcpy(dstid, "sunrpc", sizeof(dstid)); 86 } else { 87 snprintf(srcid, sizeof(srcid), "0x%x", 88 EXTRACT_32BITS(&rp->rm_xid)); 89 snprintf(dstid, sizeof(dstid), "0x%x", PMAPPORT); 90 } 91 92 switch (IP_V((struct ip *)bp2)) { 93 case 4: 94 ip = (struct ip *)bp2; 95 printf("%s.%s > %s.%s: %d", 96 ipaddr_string(&ip->ip_src), srcid, 97 ipaddr_string(&ip->ip_dst), dstid, length); 98 break; 99 #ifdef INET6 100 case 6: 101 ip6 = (struct ip6_hdr *)bp2; 102 printf("%s.%s > %s.%s: %d", 103 ip6addr_string(&ip6->ip6_src), srcid, 104 ip6addr_string(&ip6->ip6_dst), dstid, length); 105 break; 106 #endif 107 default: 108 printf("%s.%s > %s.%s: %d", "?", srcid, "?", dstid, length); 109 break; 110 } 111 112 printf(" %s", tok2str(proc2str, " proc #%u", 113 EXTRACT_32BITS(&rp->rm_call.cb_proc))); 114 x = EXTRACT_32BITS(&rp->rm_call.cb_rpcvers); 115 if (x != 2) 116 printf(" [rpcver %u]", x); 117 118 switch (EXTRACT_32BITS(&rp->rm_call.cb_proc)) { 119 120 case PMAPPROC_SET: 121 case PMAPPROC_UNSET: 122 case PMAPPROC_GETPORT: 123 case PMAPPROC_CALLIT: 124 x = EXTRACT_32BITS(&rp->rm_call.cb_prog); 125 if (!nflag) 126 printf(" %s", progstr(x)); 127 else 128 printf(" %u", x); 129 printf(".%u", EXTRACT_32BITS(&rp->rm_call.cb_vers)); 130 break; 131 } 132 } 133 134 static char * 135 progstr(prog) 136 u_int32_t prog; 137 { 138 #ifndef WIN32 139 register struct rpcent *rp; 140 #endif 141 static char buf[32]; 142 static u_int32_t lastprog = 0; 143 144 if (lastprog != 0 && prog == lastprog) 145 return (buf); 146 #ifndef WIN32 147 rp = getrpcbynumber(prog); 148 if (rp == NULL) 149 #endif /* WIN32 */ 150 (void) snprintf(buf, sizeof(buf), "#%u", prog); 151 #ifndef WIN32 152 else 153 strlcpy(buf, rp->r_name, sizeof(buf)); 154 #endif 155 return (buf); 156 } 157