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 22 #define NETDISSECT_REWORKED 23 #ifdef HAVE_CONFIG_H 24 #include "config.h" 25 #endif 26 27 /* 28 * At least on HP-UX: 29 * 30 * 1) getrpcbynumber() is declared in <netdb.h>, not any of the RPC 31 * header files 32 * 33 * and 34 * 35 * 2) if _XOPEN_SOURCE_EXTENDED is defined, <netdb.h> doesn't declare 36 * it 37 * 38 * so we undefine it. 39 */ 40 #undef _XOPEN_SOURCE_EXTENDED 41 42 #include <tcpdump-stdinc.h> 43 44 #if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) 45 #include <rpc/rpc.h> 46 #ifdef HAVE_RPC_RPCENT_H 47 #include <rpc/rpcent.h> 48 #endif /* HAVE_RPC_RPCENT_H */ 49 #endif /* defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) */ 50 51 #include <stdio.h> 52 #include <string.h> 53 54 #include "interface.h" 55 #include "addrtoname.h" 56 #include "extract.h" 57 58 #include "ip.h" 59 #ifdef INET6 60 #include "ip6.h" 61 #endif 62 63 #include "rpc_auth.h" 64 #include "rpc_msg.h" 65 66 /* 67 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 68 * unrestricted use provided that this legend is included on all tape 69 * media and as a part of the software program in whole or part. Users 70 * may copy or modify Sun RPC without charge, but are not authorized 71 * to license or distribute it to anyone else except as part of a product or 72 * program developed by the user. 73 * 74 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 75 * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR 76 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 77 * 78 * Sun RPC is provided with no support and without any obligation on the 79 * part of Sun Microsystems, Inc. to assist in its use, correction, 80 * modification or enhancement. 81 * 82 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 83 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 84 * OR ANY PART THEREOF. 85 * 86 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 87 * or profits or other special, indirect and consequential damages, even if 88 * Sun has been advised of the possibility of such damages. 89 * 90 * Sun Microsystems, Inc. 91 * 2550 Garcia Avenue 92 * Mountain View, California 94043 93 * 94 * from: @(#)pmap_prot.h 1.14 88/02/08 SMI 95 * from: @(#)pmap_prot.h 2.1 88/07/29 4.0 RPCSRC 96 * $FreeBSD: src/include/rpc/pmap_prot.h,v 1.9.2.1 1999/08/29 14:39:05 peter Exp $ 97 */ 98 99 /* 100 * pmap_prot.h 101 * Protocol for the local binder service, or pmap. 102 * 103 * Copyright (C) 1984, Sun Microsystems, Inc. 104 * 105 * The following procedures are supported by the protocol: 106 * 107 * PMAPPROC_NULL() returns () 108 * takes nothing, returns nothing 109 * 110 * PMAPPROC_SET(struct pmap) returns (bool_t) 111 * TRUE is success, FALSE is failure. Registers the tuple 112 * [prog, vers, prot, port]. 113 * 114 * PMAPPROC_UNSET(struct pmap) returns (bool_t) 115 * TRUE is success, FALSE is failure. Un-registers pair 116 * [prog, vers]. prot and port are ignored. 117 * 118 * PMAPPROC_GETPORT(struct pmap) returns (long unsigned). 119 * 0 is failure. Otherwise returns the port number where the pair 120 * [prog, vers] is registered. It may lie! 121 * 122 * PMAPPROC_DUMP() RETURNS (struct pmaplist *) 123 * 124 * PMAPPROC_CALLIT(unsigned, unsigned, unsigned, string<>) 125 * RETURNS (port, string<>); 126 * usage: encapsulatedresults = PMAPPROC_CALLIT(prog, vers, proc, encapsulatedargs); 127 * Calls the procedure on the local machine. If it is not registered, 128 * this procedure is quite; ie it does not return error information!!! 129 * This procedure only is supported on rpc/udp and calls via 130 * rpc/udp. This routine only passes null authentication parameters. 131 * This file has no interface to xdr routines for PMAPPROC_CALLIT. 132 * 133 * The service supports remote procedure calls on udp/ip or tcp/ip socket 111. 134 */ 135 136 #define SUNRPC_PMAPPORT ((uint16_t)111) 137 #define SUNRPC_PMAPPROG ((uint32_t)100000) 138 #define SUNRPC_PMAPVERS ((uint32_t)2) 139 #define SUNRPC_PMAPVERS_PROTO ((uint32_t)2) 140 #define SUNRPC_PMAPVERS_ORIG ((uint32_t)1) 141 #define SUNRPC_PMAPPROC_NULL ((uint32_t)0) 142 #define SUNRPC_PMAPPROC_SET ((uint32_t)1) 143 #define SUNRPC_PMAPPROC_UNSET ((uint32_t)2) 144 #define SUNRPC_PMAPPROC_GETPORT ((uint32_t)3) 145 #define SUNRPC_PMAPPROC_DUMP ((uint32_t)4) 146 #define SUNRPC_PMAPPROC_CALLIT ((uint32_t)5) 147 148 struct sunrpc_pmap { 149 uint32_t pm_prog; 150 uint32_t pm_vers; 151 uint32_t pm_prot; 152 uint32_t pm_port; 153 }; 154 155 static const struct tok proc2str[] = { 156 { SUNRPC_PMAPPROC_NULL, "null" }, 157 { SUNRPC_PMAPPROC_SET, "set" }, 158 { SUNRPC_PMAPPROC_UNSET, "unset" }, 159 { SUNRPC_PMAPPROC_GETPORT, "getport" }, 160 { SUNRPC_PMAPPROC_DUMP, "dump" }, 161 { SUNRPC_PMAPPROC_CALLIT, "call" }, 162 { 0, NULL } 163 }; 164 165 /* Forwards */ 166 static char *progstr(uint32_t); 167 168 void 169 sunrpcrequest_print(netdissect_options *ndo, register const u_char *bp, 170 register u_int length, register const u_char *bp2) 171 { 172 register const struct sunrpc_msg *rp; 173 register const struct ip *ip; 174 #ifdef INET6 175 register const struct ip6_hdr *ip6; 176 #endif 177 uint32_t x; 178 char srcid[20], dstid[20]; /*fits 32bit*/ 179 180 rp = (struct sunrpc_msg *)bp; 181 182 if (!ndo->ndo_nflag) { 183 snprintf(srcid, sizeof(srcid), "0x%x", 184 EXTRACT_32BITS(&rp->rm_xid)); 185 strlcpy(dstid, "sunrpc", sizeof(dstid)); 186 } else { 187 snprintf(srcid, sizeof(srcid), "0x%x", 188 EXTRACT_32BITS(&rp->rm_xid)); 189 snprintf(dstid, sizeof(dstid), "0x%x", SUNRPC_PMAPPORT); 190 } 191 192 switch (IP_V((struct ip *)bp2)) { 193 case 4: 194 ip = (struct ip *)bp2; 195 ND_PRINT((ndo, "%s.%s > %s.%s: %d", 196 ipaddr_string(ndo, &ip->ip_src), srcid, 197 ipaddr_string(ndo, &ip->ip_dst), dstid, length)); 198 break; 199 #ifdef INET6 200 case 6: 201 ip6 = (struct ip6_hdr *)bp2; 202 ND_PRINT((ndo, "%s.%s > %s.%s: %d", 203 ip6addr_string(ndo, &ip6->ip6_src), srcid, 204 ip6addr_string(ndo, &ip6->ip6_dst), dstid, length)); 205 break; 206 #endif 207 default: 208 ND_PRINT((ndo, "%s.%s > %s.%s: %d", "?", srcid, "?", dstid, length)); 209 break; 210 } 211 212 ND_PRINT((ndo, " %s", tok2str(proc2str, " proc #%u", 213 EXTRACT_32BITS(&rp->rm_call.cb_proc)))); 214 x = EXTRACT_32BITS(&rp->rm_call.cb_rpcvers); 215 if (x != 2) 216 ND_PRINT((ndo, " [rpcver %u]", x)); 217 218 switch (EXTRACT_32BITS(&rp->rm_call.cb_proc)) { 219 220 case SUNRPC_PMAPPROC_SET: 221 case SUNRPC_PMAPPROC_UNSET: 222 case SUNRPC_PMAPPROC_GETPORT: 223 case SUNRPC_PMAPPROC_CALLIT: 224 x = EXTRACT_32BITS(&rp->rm_call.cb_prog); 225 if (!ndo->ndo_nflag) 226 ND_PRINT((ndo, " %s", progstr(x))); 227 else 228 ND_PRINT((ndo, " %u", x)); 229 ND_PRINT((ndo, ".%u", EXTRACT_32BITS(&rp->rm_call.cb_vers))); 230 break; 231 } 232 } 233 234 static char * 235 progstr(uint32_t prog) 236 { 237 #if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) 238 register struct rpcent *rp; 239 #endif 240 static char buf[32]; 241 static uint32_t lastprog = 0; 242 243 if (lastprog != 0 && prog == lastprog) 244 return (buf); 245 #if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) 246 rp = getrpcbynumber(prog); 247 if (rp == NULL) 248 #endif 249 (void) snprintf(buf, sizeof(buf), "#%u", prog); 250 #if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) 251 else 252 strlcpy(buf, rp->r_name, sizeof(buf)); 253 #endif 254 return (buf); 255 } 256
