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 #include <sys/cdefs.h> 23 #ifndef lint 24 __RCSID("$NetBSD: print-sunrpc.c,v 1.9 2024/09/02 16:15:33 christos Exp $"); 25 #endif 26 27 /* \summary: Sun Remote Procedure Call printer */ 28 29 #include <config.h> 30 31 /* 32 * At least on HP-UX: 33 * 34 * 1) getrpcbynumber() is declared in <netdb.h>, not any of the RPC 35 * header files 36 * 37 * and 38 * 39 * 2) if _XOPEN_SOURCE_EXTENDED is defined, <netdb.h> doesn't declare 40 * it 41 * 42 * so we undefine it. 43 */ 44 #undef _XOPEN_SOURCE_EXTENDED 45 46 #include "netdissect-stdinc.h" 47 48 #if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) 49 #include <rpc/rpc.h> 50 #ifdef HAVE_RPC_RPCENT_H 51 #include <rpc/rpcent.h> 52 #endif /* HAVE_RPC_RPCENT_H */ 53 #endif /* defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) */ 54 55 #include <stdio.h> 56 #include <string.h> 57 58 #define ND_LONGJMP_FROM_TCHECK 59 #include "netdissect.h" 60 #include "addrtoname.h" 61 #include "extract.h" 62 63 #include "ip.h" 64 #include "ip6.h" 65 66 #include "rpc_auth.h" 67 #include "rpc_msg.h" 68 69 /* 70 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 71 * unrestricted use provided that this legend is included on all tape 72 * media and as a part of the software program in whole or part. Users 73 * may copy or modify Sun RPC without charge, but are not authorized 74 * to license or distribute it to anyone else except as part of a product or 75 * program developed by the user. 76 * 77 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 78 * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR 79 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 80 * 81 * Sun RPC is provided with no support and without any obligation on the 82 * part of Sun Microsystems, Inc. to assist in its use, correction, 83 * modification or enhancement. 84 * 85 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 86 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 87 * OR ANY PART THEREOF. 88 * 89 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 90 * or profits or other special, indirect and consequential damages, even if 91 * Sun has been advised of the possibility of such damages. 92 * 93 * Sun Microsystems, Inc. 94 * 2550 Garcia Avenue 95 * Mountain View, California 94043 96 * 97 * from: @(#)pmap_prot.h 1.14 88/02/08 SMI 98 * from: @(#)pmap_prot.h 2.1 88/07/29 4.0 RPCSRC 99 * $FreeBSD: src/include/rpc/pmap_prot.h,v 1.9.2.1 1999/08/29 14:39:05 peter Exp $ 100 */ 101 102 /* 103 * pmap_prot.h 104 * Protocol for the local binder service, or pmap. 105 * 106 * Copyright (C) 1984, Sun Microsystems, Inc. 107 * 108 * The following procedures are supported by the protocol: 109 * 110 * PMAPPROC_NULL() returns () 111 * takes nothing, returns nothing 112 * 113 * PMAPPROC_SET(struct pmap) returns (bool_t) 114 * TRUE is success, FALSE is failure. Registers the tuple 115 * [prog, vers, prot, port]. 116 * 117 * PMAPPROC_UNSET(struct pmap) returns (bool_t) 118 * TRUE is success, FALSE is failure. Un-registers pair 119 * [prog, vers]. prot and port are ignored. 120 * 121 * PMAPPROC_GETPORT(struct pmap) returns (long unsigned). 122 * 0 is failure. Otherwise returns the port number where the pair 123 * [prog, vers] is registered. It may lie! 124 * 125 * PMAPPROC_DUMP() RETURNS (struct pmaplist *) 126 * 127 * PMAPPROC_CALLIT(unsigned, unsigned, unsigned, string<>) 128 * RETURNS (port, string<>); 129 * usage: encapsulatedresults = PMAPPROC_CALLIT(prog, vers, proc, encapsulatedargs); 130 * Calls the procedure on the local machine. If it is not registered, 131 * this procedure is quite; ie it does not return error information!!! 132 * This procedure only is supported on rpc/udp and calls via 133 * rpc/udp. This routine only passes null authentication parameters. 134 * This file has no interface to xdr routines for PMAPPROC_CALLIT. 135 * 136 * The service supports remote procedure calls on udp/ip or tcp/ip socket 111. 137 */ 138 139 #define SUNRPC_PMAPPORT ((uint16_t)111) 140 #define SUNRPC_PMAPPROC_NULL ((uint32_t)0) 141 #define SUNRPC_PMAPPROC_SET ((uint32_t)1) 142 #define SUNRPC_PMAPPROC_UNSET ((uint32_t)2) 143 #define SUNRPC_PMAPPROC_GETPORT ((uint32_t)3) 144 #define SUNRPC_PMAPPROC_DUMP ((uint32_t)4) 145 #define SUNRPC_PMAPPROC_CALLIT ((uint32_t)5) 146 147 static const struct tok proc2str[] = { 148 { SUNRPC_PMAPPROC_NULL, "null" }, 149 { SUNRPC_PMAPPROC_SET, "set" }, 150 { SUNRPC_PMAPPROC_UNSET, "unset" }, 151 { SUNRPC_PMAPPROC_GETPORT, "getport" }, 152 { SUNRPC_PMAPPROC_DUMP, "dump" }, 153 { SUNRPC_PMAPPROC_CALLIT, "call" }, 154 { 0, NULL } 155 }; 156 157 /* Forwards */ 158 static char *progstr(uint32_t); 159 160 void 161 sunrpc_print(netdissect_options *ndo, const u_char *bp, 162 u_int length, const u_char *bp2) 163 { 164 const struct sunrpc_msg *rp; 165 const struct ip *ip; 166 const struct ip6_hdr *ip6; 167 uint32_t x; 168 char srcid[20], dstid[20]; /*fits 32bit*/ 169 170 ndo->ndo_protocol = "sunrpc"; 171 rp = (const struct sunrpc_msg *)bp; 172 ND_TCHECK_SIZE(rp); 173 174 if (!ndo->ndo_nflag) { 175 snprintf(srcid, sizeof(srcid), "0x%x", 176 GET_BE_U_4(rp->rm_xid)); 177 strlcpy(dstid, "sunrpc", sizeof(dstid)); 178 } else { 179 snprintf(srcid, sizeof(srcid), "0x%x", 180 GET_BE_U_4(rp->rm_xid)); 181 snprintf(dstid, sizeof(dstid), "0x%x", SUNRPC_PMAPPORT); 182 } 183 184 switch (IP_V((const struct ip *)bp2)) { 185 case 4: 186 ip = (const struct ip *)bp2; 187 ND_PRINT("%s.%s > %s.%s: %u", 188 GET_IPADDR_STRING(ip->ip_src), srcid, 189 GET_IPADDR_STRING(ip->ip_dst), dstid, length); 190 break; 191 case 6: 192 ip6 = (const struct ip6_hdr *)bp2; 193 ND_PRINT("%s.%s > %s.%s: %u", 194 GET_IP6ADDR_STRING(ip6->ip6_src), srcid, 195 GET_IP6ADDR_STRING(ip6->ip6_dst), dstid, length); 196 break; 197 default: 198 ND_PRINT("%s.%s > %s.%s: %u", "?", srcid, "?", dstid, length); 199 break; 200 } 201 202 ND_PRINT(" %s", tok2str(proc2str, " proc #%u", 203 GET_BE_U_4(rp->rm_call.cb_proc))); 204 x = GET_BE_U_4(rp->rm_call.cb_rpcvers); 205 if (x != SUNRPC_MSG_VERSION) 206 ND_PRINT(" [rpcver %u]", x); 207 208 switch (GET_BE_U_4(rp->rm_call.cb_proc)) { 209 210 case SUNRPC_PMAPPROC_SET: 211 case SUNRPC_PMAPPROC_UNSET: 212 case SUNRPC_PMAPPROC_GETPORT: 213 case SUNRPC_PMAPPROC_CALLIT: 214 x = GET_BE_U_4(rp->rm_call.cb_prog); 215 if (!ndo->ndo_nflag) 216 ND_PRINT(" %s", progstr(x)); 217 else 218 ND_PRINT(" %u", x); 219 ND_PRINT(".%u", GET_BE_U_4(rp->rm_call.cb_vers)); 220 break; 221 } 222 } 223 224 static char * 225 progstr(uint32_t prog) 226 { 227 #if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) 228 struct rpcent *rp; 229 #endif 230 static char buf[32]; 231 static uint32_t lastprog = 0; 232 233 if (lastprog != 0 && prog == lastprog) 234 return (buf); 235 #if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) 236 rp = getrpcbynumber(prog); 237 if (rp != NULL) 238 strlcpy(buf, rp->r_name, sizeof(buf)); 239 else 240 #endif 241 (void) snprintf(buf, sizeof(buf), "#%u", prog); 242 lastprog = prog; 243 return (buf); 244 } 245