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+/*
+ * 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);
+}