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 #ifndef lint 23 static const char rcsid[] _U_ = 24 "@(#) $Header: /tcpdump/master/tcpdump/print-sunrpc.c,v 1.47 2005-04-27 21:43:48 guy Exp $ (LBL)"; 25 #endif 26 27 #ifdef HAVE_CONFIG_H 28 #include "config.h" 29 #endif 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 <tcpdump-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 #include "interface.h" 59 #include "addrtoname.h" 60 #include "extract.h" 61 62 #include "ip.h" 63 #ifdef INET6 64 #include "ip6.h" 65 #endif 66 67 #include "rpc_auth.h" 68 #include "rpc_msg.h" 69 #include "pmap_prot.h" 70 71 static struct tok proc2str[] = { 72 { SUNRPC_PMAPPROC_NULL, "null" }, 73 { SUNRPC_PMAPPROC_SET, "set" }, 74 { SUNRPC_PMAPPROC_UNSET, "unset" }, 75 { SUNRPC_PMAPPROC_GETPORT, "getport" }, 76 { SUNRPC_PMAPPROC_DUMP, "dump" }, 77 { SUNRPC_PMAPPROC_CALLIT, "call" }, 78 { 0, NULL } 79 }; 80 81 /* Forwards */ 82 static char *progstr(u_int32_t); 83 84 void 85 sunrpcrequest_print(register const u_char *bp, register u_int length, 86 register const u_char *bp2) 87 { 88 register const struct sunrpc_msg *rp; 89 register const struct ip *ip; 90 #ifdef INET6 91 register const struct ip6_hdr *ip6; 92 #endif 93 u_int32_t x; 94 char srcid[20], dstid[20]; /*fits 32bit*/ 95 96 rp = (struct sunrpc_msg *)bp; 97 98 if (!nflag) { 99 snprintf(srcid, sizeof(srcid), "0x%x", 100 EXTRACT_32BITS(&rp->rm_xid)); 101 strlcpy(dstid, "sunrpc", sizeof(dstid)); 102 } else { 103 snprintf(srcid, sizeof(srcid), "0x%x", 104 EXTRACT_32BITS(&rp->rm_xid)); 105 snprintf(dstid, sizeof(dstid), "0x%x", SUNRPC_PMAPPORT); 106 } 107 108 switch (IP_V((struct ip *)bp2)) { 109 case 4: 110 ip = (struct ip *)bp2; 111 printf("%s.%s > %s.%s: %d", 112 ipaddr_string(&ip->ip_src), srcid, 113 ipaddr_string(&ip->ip_dst), dstid, length); 114 break; 115 #ifdef INET6 116 case 6: 117 ip6 = (struct ip6_hdr *)bp2; 118 printf("%s.%s > %s.%s: %d", 119 ip6addr_string(&ip6->ip6_src), srcid, 120 ip6addr_string(&ip6->ip6_dst), dstid, length); 121 break; 122 #endif 123 default: 124 printf("%s.%s > %s.%s: %d", "?", srcid, "?", dstid, length); 125 break; 126 } 127 128 printf(" %s", tok2str(proc2str, " proc #%u", 129 EXTRACT_32BITS(&rp->rm_call.cb_proc))); 130 x = EXTRACT_32BITS(&rp->rm_call.cb_rpcvers); 131 if (x != 2) 132 printf(" [rpcver %u]", x); 133 134 switch (EXTRACT_32BITS(&rp->rm_call.cb_proc)) { 135 136 case SUNRPC_PMAPPROC_SET: 137 case SUNRPC_PMAPPROC_UNSET: 138 case SUNRPC_PMAPPROC_GETPORT: 139 case SUNRPC_PMAPPROC_CALLIT: 140 x = EXTRACT_32BITS(&rp->rm_call.cb_prog); 141 if (!nflag) 142 printf(" %s", progstr(x)); 143 else 144 printf(" %u", x); 145 printf(".%u", EXTRACT_32BITS(&rp->rm_call.cb_vers)); 146 break; 147 } 148 } 149 150 static char * 151 progstr(prog) 152 u_int32_t prog; 153 { 154 #if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) 155 register struct rpcent *rp; 156 #endif 157 static char buf[32]; 158 static u_int32_t lastprog = 0; 159 160 if (lastprog != 0 && prog == lastprog) 161 return (buf); 162 #if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) 163 rp = getrpcbynumber(prog); 164 if (rp == NULL) 165 #endif 166 (void) snprintf(buf, sizeof(buf), "#%u", prog); 167 #if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) 168 else 169 strlcpy(buf, rp->r_name, sizeof(buf)); 170 #endif 171 return (buf); 172 } 173