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 1.47 2005-04-27 21:43:48 guy Exp $ (LBL)"; 27 #endif 28 29 #ifdef HAVE_CONFIG_H 30 #include "config.h" 31 #endif 32 33 /* 34 * At least on HP-UX: 35 * 36 * 1) getrpcbynumber() is declared in <netdb.h>, not any of the RPC 37 * header files 38 * 39 * and 40 * 41 * 2) if _XOPEN_SOURCE_EXTENDED is defined, <netdb.h> doesn't declare 42 * it 43 * 44 * so we undefine it. 45 */ 46 #undef _XOPEN_SOURCE_EXTENDED 47 48 #include <tcpdump-stdinc.h> 49 50 #ifdef HAVE_GETRPCBYNUMBER 51 #include <rpc/rpc.h> 52 #ifdef HAVE_RPC_RPCENT_H 53 #include <rpc/rpcent.h> 54 #endif /* HAVE_RPC_RPCENT_H */ 55 #endif /* HAVE_GETRPCBYNUMBER */ 56 57 #include <stdio.h> 58 #include <string.h> 59 60 #include "interface.h" 61 #include "addrtoname.h" 62 #include "extract.h" 63 64 #include "ip.h" 65 #ifdef INET6 66 #include "ip6.h" 67 #endif 68 69 #include "rpc_auth.h" 70 #include "rpc_msg.h" 71 #include "pmap_prot.h" 72 73 static struct tok proc2str[] = { 74 { SUNRPC_PMAPPROC_NULL, "null" }, 75 { SUNRPC_PMAPPROC_SET, "set" }, 76 { SUNRPC_PMAPPROC_UNSET, "unset" }, 77 { SUNRPC_PMAPPROC_GETPORT, "getport" }, 78 { SUNRPC_PMAPPROC_DUMP, "dump" }, 79 { SUNRPC_PMAPPROC_CALLIT, "call" }, 80 { 0, NULL } 81 }; 82 83 /* Forwards */ 84 static char *progstr(u_int32_t); 85 86 void 87 sunrpcrequest_print(register const u_char *bp, register u_int length, 88 register const u_char *bp2) 89 { 90 register const struct sunrpc_msg *rp; 91 register const struct ip *ip; 92 #ifdef INET6 93 register const struct ip6_hdr *ip6; 94 #endif 95 u_int32_t x; 96 char srcid[20], dstid[20]; /*fits 32bit*/ 97 98 rp = (struct sunrpc_msg *)bp; 99 100 if (!nflag) { 101 snprintf(srcid, sizeof(srcid), "0x%x", 102 EXTRACT_32BITS(&rp->rm_xid)); 103 strlcpy(dstid, "sunrpc", sizeof(dstid)); 104 } else { 105 snprintf(srcid, sizeof(srcid), "0x%x", 106 EXTRACT_32BITS(&rp->rm_xid)); 107 snprintf(dstid, sizeof(dstid), "0x%x", SUNRPC_PMAPPORT); 108 } 109 110 switch (IP_V((struct ip *)bp2)) { 111 case 4: 112 ip = (struct ip *)bp2; 113 printf("%s.%s > %s.%s: %d", 114 ipaddr_string(&ip->ip_src), srcid, 115 ipaddr_string(&ip->ip_dst), dstid, length); 116 break; 117 #ifdef INET6 118 case 6: 119 ip6 = (struct ip6_hdr *)bp2; 120 printf("%s.%s > %s.%s: %d", 121 ip6addr_string(&ip6->ip6_src), srcid, 122 ip6addr_string(&ip6->ip6_dst), dstid, length); 123 break; 124 #endif 125 default: 126 printf("%s.%s > %s.%s: %d", "?", srcid, "?", dstid, length); 127 break; 128 } 129 130 printf(" %s", tok2str(proc2str, " proc #%u", 131 EXTRACT_32BITS(&rp->rm_call.cb_proc))); 132 x = EXTRACT_32BITS(&rp->rm_call.cb_rpcvers); 133 if (x != 2) 134 printf(" [rpcver %u]", x); 135 136 switch (EXTRACT_32BITS(&rp->rm_call.cb_proc)) { 137 138 case SUNRPC_PMAPPROC_SET: 139 case SUNRPC_PMAPPROC_UNSET: 140 case SUNRPC_PMAPPROC_GETPORT: 141 case SUNRPC_PMAPPROC_CALLIT: 142 x = EXTRACT_32BITS(&rp->rm_call.cb_prog); 143 if (!nflag) 144 printf(" %s", progstr(x)); 145 else 146 printf(" %u", x); 147 printf(".%u", EXTRACT_32BITS(&rp->rm_call.cb_vers)); 148 break; 149 } 150 } 151 152 static char * 153 progstr(prog) 154 u_int32_t prog; 155 { 156 #ifdef HAVE_GETRPCBYNUMBER 157 register struct rpcent *rp; 158 #endif 159 static char buf[32]; 160 static u_int32_t lastprog = 0; 161 162 if (lastprog != 0 && prog == lastprog) 163 return (buf); 164 #ifdef HAVE_GETRPCBYNUMBER 165 rp = getrpcbynumber(prog); 166 if (rp == NULL) 167 #endif 168 (void) snprintf(buf, sizeof(buf), "#%u", prog); 169 #ifdef HAVE_GETRPCBYNUMBER 170 else 171 strlcpy(buf, rp->r_name, sizeof(buf)); 172 #endif 173 return (buf); 174 } 175