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Diffstat (limited to 'print-sunrpc.c')
| -rw-r--r-- | print-sunrpc.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/print-sunrpc.c b/print-sunrpc.c new file mode 100644 index 0000000..7eeb42d --- /dev/null +++ b/print-sunrpc.c @@ -0,0 +1,241 @@ +/* + * Copyright (c) 1992, 1993, 1994, 1995, 1996 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that: (1) source code distributions + * retain the above copyright notice and this paragraph in its entirety, (2) + * distributions including binary code include the above copyright notice and + * this paragraph in its entirety in the documentation or other materials + * provided with the distribution, and (3) all advertising materials mentioning + * features or use of this software display the following acknowledgement: + * ``This product includes software developed by the University of California, + * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of + * the University nor the names of its contributors may be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* \summary: Sun Remote Procedure Call printer */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +/* + * At least on HP-UX: + * + * 1) getrpcbynumber() is declared in <netdb.h>, not any of the RPC + * header files + * + * and + * + * 2) if _XOPEN_SOURCE_EXTENDED is defined, <netdb.h> doesn't declare + * it + * + * so we undefine it. + */ +#undef _XOPEN_SOURCE_EXTENDED + +#include "netdissect-stdinc.h" + +#if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) +#include <rpc/rpc.h> +#ifdef HAVE_RPC_RPCENT_H +#include <rpc/rpcent.h> +#endif /* HAVE_RPC_RPCENT_H */ +#endif /* defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) */ + +#include <stdio.h> +#include <string.h> + +#define ND_LONGJMP_FROM_TCHECK +#include "netdissect.h" +#include "addrtoname.h" +#include "extract.h" + +#include "ip.h" +#include "ip6.h" + +#include "rpc_auth.h" +#include "rpc_msg.h" + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + * + * from: @(#)pmap_prot.h 1.14 88/02/08 SMI + * from: @(#)pmap_prot.h 2.1 88/07/29 4.0 RPCSRC + * $FreeBSD: src/include/rpc/pmap_prot.h,v 1.9.2.1 1999/08/29 14:39:05 peter Exp $ + */ + +/* + * pmap_prot.h + * Protocol for the local binder service, or pmap. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + * + * The following procedures are supported by the protocol: + * + * PMAPPROC_NULL() returns () + * takes nothing, returns nothing + * + * PMAPPROC_SET(struct pmap) returns (bool_t) + * TRUE is success, FALSE is failure. Registers the tuple + * [prog, vers, prot, port]. + * + * PMAPPROC_UNSET(struct pmap) returns (bool_t) + * TRUE is success, FALSE is failure. Un-registers pair + * [prog, vers]. prot and port are ignored. + * + * PMAPPROC_GETPORT(struct pmap) returns (long unsigned). + * 0 is failure. Otherwise returns the port number where the pair + * [prog, vers] is registered. It may lie! + * + * PMAPPROC_DUMP() RETURNS (struct pmaplist *) + * + * PMAPPROC_CALLIT(unsigned, unsigned, unsigned, string<>) + * RETURNS (port, string<>); + * usage: encapsulatedresults = PMAPPROC_CALLIT(prog, vers, proc, encapsulatedargs); + * Calls the procedure on the local machine. If it is not registered, + * this procedure is quite; ie it does not return error information!!! + * This procedure only is supported on rpc/udp and calls via + * rpc/udp. This routine only passes null authentication parameters. + * This file has no interface to xdr routines for PMAPPROC_CALLIT. + * + * The service supports remote procedure calls on udp/ip or tcp/ip socket 111. + */ + +#define SUNRPC_PMAPPORT ((uint16_t)111) +#define SUNRPC_PMAPPROC_NULL ((uint32_t)0) +#define SUNRPC_PMAPPROC_SET ((uint32_t)1) +#define SUNRPC_PMAPPROC_UNSET ((uint32_t)2) +#define SUNRPC_PMAPPROC_GETPORT ((uint32_t)3) +#define SUNRPC_PMAPPROC_DUMP ((uint32_t)4) +#define SUNRPC_PMAPPROC_CALLIT ((uint32_t)5) + +static const struct tok proc2str[] = { + { SUNRPC_PMAPPROC_NULL, "null" }, + { SUNRPC_PMAPPROC_SET, "set" }, + { SUNRPC_PMAPPROC_UNSET, "unset" }, + { SUNRPC_PMAPPROC_GETPORT, "getport" }, + { SUNRPC_PMAPPROC_DUMP, "dump" }, + { SUNRPC_PMAPPROC_CALLIT, "call" }, + { 0, NULL } +}; + +/* Forwards */ +static char *progstr(uint32_t); + +void +sunrpc_print(netdissect_options *ndo, const u_char *bp, + u_int length, const u_char *bp2) +{ + const struct sunrpc_msg *rp; + const struct ip *ip; + const struct ip6_hdr *ip6; + uint32_t x; + char srcid[20], dstid[20]; /*fits 32bit*/ + + ndo->ndo_protocol = "sunrpc"; + rp = (const struct sunrpc_msg *)bp; + ND_TCHECK_SIZE(rp); + + if (!ndo->ndo_nflag) { + snprintf(srcid, sizeof(srcid), "0x%x", + GET_BE_U_4(rp->rm_xid)); + strlcpy(dstid, "sunrpc", sizeof(dstid)); + } else { + snprintf(srcid, sizeof(srcid), "0x%x", + GET_BE_U_4(rp->rm_xid)); + snprintf(dstid, sizeof(dstid), "0x%x", SUNRPC_PMAPPORT); + } + + switch (IP_V((const struct ip *)bp2)) { + case 4: + ip = (const struct ip *)bp2; + ND_PRINT("%s.%s > %s.%s: %u", + GET_IPADDR_STRING(ip->ip_src), srcid, + GET_IPADDR_STRING(ip->ip_dst), dstid, length); + break; + case 6: + ip6 = (const struct ip6_hdr *)bp2; + ND_PRINT("%s.%s > %s.%s: %u", + GET_IP6ADDR_STRING(ip6->ip6_src), srcid, + GET_IP6ADDR_STRING(ip6->ip6_dst), dstid, length); + break; + default: + ND_PRINT("%s.%s > %s.%s: %u", "?", srcid, "?", dstid, length); + break; + } + + ND_PRINT(" %s", tok2str(proc2str, " proc #%u", + GET_BE_U_4(rp->rm_call.cb_proc))); + x = GET_BE_U_4(rp->rm_call.cb_rpcvers); + if (x != SUNRPC_MSG_VERSION) + ND_PRINT(" [rpcver %u]", x); + + switch (GET_BE_U_4(rp->rm_call.cb_proc)) { + + case SUNRPC_PMAPPROC_SET: + case SUNRPC_PMAPPROC_UNSET: + case SUNRPC_PMAPPROC_GETPORT: + case SUNRPC_PMAPPROC_CALLIT: + x = GET_BE_U_4(rp->rm_call.cb_prog); + if (!ndo->ndo_nflag) + ND_PRINT(" %s", progstr(x)); + else + ND_PRINT(" %u", x); + ND_PRINT(".%u", GET_BE_U_4(rp->rm_call.cb_vers)); + break; + } +} + +static char * +progstr(uint32_t prog) +{ +#if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) + struct rpcent *rp; +#endif + static char buf[32]; + static uint32_t lastprog = 0; + + if (lastprog != 0 && prog == lastprog) + return (buf); +#if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) + rp = getrpcbynumber(prog); + if (rp != NULL) + strlcpy(buf, rp->r_name, sizeof(buf)); + else +#endif + (void) snprintf(buf, sizeof(buf), "#%u", prog); + lastprog = prog; + return (buf); +} |