666 lines
16 KiB
C
666 lines
16 KiB
C
/* @(#)rpcinfo.c 2.2 88/08/11 4.0 RPCSRC */
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#ifndef lint
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static char sccsid[] = "@(#)rpcinfo.c 1.22 87/08/12 SMI";
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#endif
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/*
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* Copyright (C) 1986, Sun Microsystems, Inc.
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*/
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/*
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* rpcinfo: ping a particular rpc program
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* or dump the portmapper
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*/
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/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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#include <rpc/rpc.h>
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#include <stdio.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <rpc/pmap_prot.h>
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#include <rpc/pmap_clnt.h>
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#include <signal.h>
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#include <ctype.h>
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#define MAXHOSTLEN 256
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#define MIN_VERS ((u_long) 0)
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#define MAX_VERS ((u_long) 4294967295UL)
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static void udpping(/*u_short portflag, int argc, char **argv*/);
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static void tcpping(/*u_short portflag, int argc, char **argv*/);
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static int pstatus(/*CLIENT *client, u_long prognum, u_long vers*/);
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static void pmapdump(/*int argc, char **argv*/);
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static bool_t reply_proc(/*void *res, struct sockaddr_in *who*/);
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static void brdcst(/*int argc, char **argv*/);
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static void deletereg(/* int argc, char **argv */) ;
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static void usage(/*void*/);
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static u_long getprognum(/*char *arg*/);
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static u_long getvers(/*char *arg*/);
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static void get_inet_address(/*struct sockaddr_in *addr, char *host*/);
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extern u_long inet_addr(); /* in 4.2BSD, arpa/inet.h called that a in_addr */
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extern char *inet_ntoa();
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/*
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* Functions to be performed.
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*/
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#define NONE 0 /* no function */
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#define PMAPDUMP 1 /* dump portmapper registrations */
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#define TCPPING 2 /* ping TCP service */
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#define UDPPING 3 /* ping UDP service */
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#define BRDCST 4 /* ping broadcast UDP service */
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#define DELETES 5 /* delete registration for the service */
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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register int c;
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extern char *optarg;
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extern int optind;
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int errflg;
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int function;
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u_short portnum;
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function = NONE;
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portnum = 0;
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errflg = 0;
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while ((c = getopt(argc, argv, "ptubdn:")) != EOF) {
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switch (c) {
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case 'p':
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if (function != NONE)
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errflg = 1;
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else
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function = PMAPDUMP;
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break;
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case 't':
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if (function != NONE)
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errflg = 1;
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else
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function = TCPPING;
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break;
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case 'u':
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if (function != NONE)
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errflg = 1;
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else
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function = UDPPING;
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break;
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case 'b':
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if (function != NONE)
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errflg = 1;
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else
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function = BRDCST;
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break;
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case 'n':
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portnum = (u_short) atoi(optarg); /* hope we don't get bogus # */
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break;
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case 'd':
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if (function != NONE)
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errflg = 1;
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else
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function = DELETES;
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break;
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case '?':
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errflg = 1;
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}
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}
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if (errflg || function == NONE) {
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usage();
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return (1);
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}
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switch (function) {
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case PMAPDUMP:
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if (portnum != 0) {
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usage();
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return (1);
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}
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pmapdump(argc - optind, argv + optind);
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break;
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case UDPPING:
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udpping(portnum, argc - optind, argv + optind);
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break;
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case TCPPING:
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tcpping(portnum, argc - optind, argv + optind);
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break;
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case BRDCST:
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if (portnum != 0) {
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usage();
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return (1);
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}
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brdcst(argc - optind, argv + optind);
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break;
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case DELETES:
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deletereg(argc - optind, argv + optind);
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break;
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}
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return (0);
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}
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static void
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udpping(portnum, argc, argv)
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u_short portnum;
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int argc;
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char **argv;
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{
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struct timeval to;
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struct sockaddr_in addr;
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enum clnt_stat rpc_stat;
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CLIENT *client;
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u_long prognum, vers, minvers, maxvers;
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int sock = RPC_ANYSOCK;
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struct rpc_err rpcerr;
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int failure;
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if (argc < 2 || argc > 3) {
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usage();
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exit(1);
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}
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prognum = getprognum(argv[1]);
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get_inet_address(&addr, argv[0]);
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/* Open the socket here so it will survive calls to clnt_destroy */
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sock = socket( AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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if (sock < 0) {
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perror("rpcinfo: socket");
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exit(1);
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}
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failure = 0;
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if (argc == 2) {
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/*
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* A call to version 0 should fail with a program/version
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* mismatch, and give us the range of versions supported.
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*/
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addr.sin_port = htons(portnum);
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to.tv_sec = 5;
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to.tv_usec = 0;
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if ((client = clntudp_create(&addr, prognum, (u_long)0,
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to, &sock)) == NULL) {
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clnt_pcreateerror("rpcinfo");
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printf("program %lu is not available\n",
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prognum);
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exit(1);
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}
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to.tv_sec = 10;
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to.tv_usec = 0;
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rpc_stat = clnt_call(client, NULLPROC, xdr_void, (char *)NULL,
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xdr_void, (char *)NULL, to);
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if (rpc_stat == RPC_PROGVERSMISMATCH) {
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clnt_geterr(client, &rpcerr);
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minvers = rpcerr.re_vers.low;
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maxvers = rpcerr.re_vers.high;
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} else if (rpc_stat == RPC_SUCCESS) {
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/*
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* Oh dear, it DOES support version 0.
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* Let's try version MAX_VERS.
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*/
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addr.sin_port = htons(portnum);
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to.tv_sec = 5;
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to.tv_usec = 0;
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if ((client = clntudp_create(&addr, prognum, MAX_VERS,
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to, &sock)) == NULL) {
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clnt_pcreateerror("rpcinfo");
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printf("program %lu version %lu is not available\n",
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prognum, MAX_VERS);
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exit(1);
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}
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to.tv_sec = 10;
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to.tv_usec = 0;
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rpc_stat = clnt_call(client, NULLPROC, xdr_void,
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(char *)NULL, xdr_void, (char *)NULL, to);
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if (rpc_stat == RPC_PROGVERSMISMATCH) {
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clnt_geterr(client, &rpcerr);
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minvers = rpcerr.re_vers.low;
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maxvers = rpcerr.re_vers.high;
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} else if (rpc_stat == RPC_SUCCESS) {
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/*
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* It also supports version MAX_VERS.
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* Looks like we have a wise guy.
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* OK, we give them information on all
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* 4 billion versions they support...
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*/
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minvers = 0;
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maxvers = MAX_VERS;
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} else {
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(void) pstatus(client, prognum, MAX_VERS);
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exit(1);
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}
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} else {
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(void) pstatus(client, prognum, (u_long)0);
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exit(1);
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}
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clnt_destroy(client);
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for (vers = minvers; vers <= maxvers; vers++) {
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addr.sin_port = htons(portnum);
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to.tv_sec = 5;
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to.tv_usec = 0;
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if ((client = clntudp_create(&addr, prognum, vers,
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to, &sock)) == NULL) {
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clnt_pcreateerror("rpcinfo");
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printf("program %lu version %lu is not available\n",
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prognum, vers);
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exit(1);
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}
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to.tv_sec = 10;
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to.tv_usec = 0;
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rpc_stat = clnt_call(client, NULLPROC, xdr_void,
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(char *)NULL, xdr_void, (char *)NULL, to);
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if (pstatus(client, prognum, vers) < 0)
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failure = 1;
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clnt_destroy(client);
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}
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}
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else {
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vers = getvers(argv[2]);
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addr.sin_port = htons(portnum);
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to.tv_sec = 5;
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to.tv_usec = 0;
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if ((client = clntudp_create(&addr, prognum, vers,
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to, &sock)) == NULL) {
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clnt_pcreateerror("rpcinfo");
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printf("program %lu version %lu is not available\n",
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prognum, vers);
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exit(1);
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}
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to.tv_sec = 10;
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to.tv_usec = 0;
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rpc_stat = clnt_call(client, 0, xdr_void, (char *)NULL,
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xdr_void, (char *)NULL, to);
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if (pstatus(client, prognum, vers) < 0)
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failure = 1;
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}
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(void) close(sock); /* Close it up again */
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if (failure)
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exit(1);
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}
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static void
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tcpping(portnum, argc, argv)
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u_short portnum;
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int argc;
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char **argv;
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{
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struct timeval to;
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struct sockaddr_in addr;
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enum clnt_stat rpc_stat;
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CLIENT *client;
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u_long prognum, vers, minvers, maxvers;
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int sock = RPC_ANYSOCK;
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struct rpc_err rpcerr;
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int failure;
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if (argc < 2 || argc > 3) {
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usage();
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exit(1);
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}
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prognum = getprognum(argv[1]);
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get_inet_address(&addr, argv[0]);
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failure = 0;
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if (argc == 2) {
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/*
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* A call to version 0 should fail with a program/version
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* mismatch, and give us the range of versions supported.
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*/
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addr.sin_port = htons(portnum);
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if ((client = clnttcp_create(&addr, prognum, MIN_VERS,
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&sock, 0, 0)) == NULL) {
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clnt_pcreateerror("rpcinfo");
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printf("program %lu is not available\n",
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prognum);
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exit(1);
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}
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to.tv_sec = 10;
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to.tv_usec = 0;
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rpc_stat = clnt_call(client, NULLPROC, xdr_void, (char *)NULL,
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xdr_void, (char *)NULL, to);
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if (rpc_stat == RPC_PROGVERSMISMATCH) {
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clnt_geterr(client, &rpcerr);
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minvers = rpcerr.re_vers.low;
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maxvers = rpcerr.re_vers.high;
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} else if (rpc_stat == RPC_SUCCESS) {
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/*
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* Oh dear, it DOES support version 0.
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* Let's try version MAX_VERS.
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*/
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addr.sin_port = htons(portnum);
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if ((client = clnttcp_create(&addr, prognum, MAX_VERS,
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&sock, 0, 0)) == NULL) {
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clnt_pcreateerror("rpcinfo");
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printf("program %lu version %lu is not available\n",
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prognum, MAX_VERS);
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exit(1);
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}
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to.tv_sec = 10;
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to.tv_usec = 0;
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rpc_stat = clnt_call(client, NULLPROC, xdr_void,
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(char *)NULL, xdr_void, (char *)NULL, to);
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if (rpc_stat == RPC_PROGVERSMISMATCH) {
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clnt_geterr(client, &rpcerr);
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minvers = rpcerr.re_vers.low;
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maxvers = rpcerr.re_vers.high;
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} else if (rpc_stat == RPC_SUCCESS) {
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/*
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* It also supports version MAX_VERS.
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* Looks like we have a wise guy.
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* OK, we give them information on all
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* 4 billion versions they support...
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*/
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minvers = 0;
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maxvers = MAX_VERS;
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} else {
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(void) pstatus(client, prognum, MAX_VERS);
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exit(1);
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}
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} else {
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(void) pstatus(client, prognum, MIN_VERS);
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exit(1);
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}
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clnt_destroy(client);
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(void) close(sock);
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sock = RPC_ANYSOCK; /* Re-initialize it for later */
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for (vers = minvers; vers <= maxvers; vers++) {
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addr.sin_port = htons(portnum);
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if ((client = clnttcp_create(&addr, prognum, vers,
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&sock, 0, 0)) == NULL) {
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clnt_pcreateerror("rpcinfo");
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printf("program %lu version %lu is not available\n",
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prognum, vers);
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exit(1);
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}
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to.tv_usec = 0;
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to.tv_sec = 10;
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rpc_stat = clnt_call(client, 0, xdr_void, (char *)NULL,
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xdr_void, (char *)NULL, to);
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if (pstatus(client, prognum, vers) < 0)
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failure = 1;
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clnt_destroy(client);
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(void) close(sock);
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sock = RPC_ANYSOCK;
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}
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}
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else {
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vers = getvers(argv[2]);
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addr.sin_port = htons(portnum);
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if ((client = clnttcp_create(&addr, prognum, vers, &sock,
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0, 0)) == NULL) {
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clnt_pcreateerror("rpcinfo");
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printf("program %lu version %lu is not available\n",
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prognum, vers);
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exit(1);
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}
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to.tv_usec = 0;
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to.tv_sec = 10;
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rpc_stat = clnt_call(client, 0, xdr_void, (char *)NULL,
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xdr_void, (char *)NULL, to);
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if (pstatus(client, prognum, vers) < 0)
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failure = 1;
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}
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if (failure)
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exit(1);
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}
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/*
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* This routine should take a pointer to an "rpc_err" structure, rather than
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* a pointer to a CLIENT structure, but "clnt_perror" takes a pointer to
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* a CLIENT structure rather than a pointer to an "rpc_err" structure.
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* As such, we have to keep the CLIENT structure around in order to print
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* a good error message.
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*/
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static int
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pstatus(client, prognum, vers)
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register CLIENT *client;
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u_long prognum;
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u_long vers;
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{
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struct rpc_err rpcerr;
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clnt_geterr(client, &rpcerr);
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if (rpcerr.re_status != RPC_SUCCESS) {
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clnt_perror(client, "rpcinfo");
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printf("program %lu version %lu is not available\n",
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prognum, vers);
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return (-1);
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} else {
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printf("program %lu version %lu ready and waiting\n",
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prognum, vers);
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return (0);
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}
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}
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static void
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pmapdump(argc, argv)
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int argc;
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char **argv;
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{
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struct sockaddr_in server_addr;
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register struct hostent *hp;
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struct pmaplist *head = NULL;
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int socket = RPC_ANYSOCK;
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struct timeval minutetimeout;
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register CLIENT *client;
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struct rpcent *rpc;
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if (argc > 1) {
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usage();
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exit(1);
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}
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if (argc == 1)
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get_inet_address(&server_addr, argv[0]);
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else {
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bzero((char *)&server_addr, sizeof server_addr);
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server_addr.sin_family = AF_INET;
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if ((hp = gethostbyname("localhost")) != NULL)
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bcopy(hp->h_addr, (caddr_t)&server_addr.sin_addr,
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hp->h_length);
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else
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server_addr.sin_addr.s_addr = inet_addr("0.0.0.0");
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}
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minutetimeout.tv_sec = 60;
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minutetimeout.tv_usec = 0;
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server_addr.sin_port = htons(PMAPPORT);
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if ((client = clnttcp_create(&server_addr, PMAPPROG,
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PMAPVERS, &socket, 50, 500)) == NULL) {
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clnt_pcreateerror("rpcinfo: can't contact portmapper");
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exit(1);
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}
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if (clnt_call(client, PMAPPROC_DUMP, xdr_void, NULL,
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xdr_pmaplist, &head, minutetimeout) != RPC_SUCCESS) {
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fprintf(stderr, "rpcinfo: can't contact portmapper: ");
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clnt_perror(client, "rpcinfo");
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exit(1);
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}
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if (head == NULL) {
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printf("No remote programs registered.\n");
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} else {
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printf(" program vers proto port\n");
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|
for (; head != NULL; head = head->pml_next) {
|
|
printf("%10ld%5ld",
|
|
head->pml_map.pm_prog,
|
|
head->pml_map.pm_vers);
|
|
if (head->pml_map.pm_prot == IPPROTO_UDP)
|
|
printf("%6s", "udp");
|
|
else if (head->pml_map.pm_prot == IPPROTO_TCP)
|
|
printf("%6s", "tcp");
|
|
else
|
|
printf("%6ld", head->pml_map.pm_prot);
|
|
printf("%7ld", head->pml_map.pm_port);
|
|
rpc = getrpcbynumber(head->pml_map.pm_prog);
|
|
if (rpc)
|
|
printf(" %s\n", rpc->r_name);
|
|
else
|
|
printf("\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* reply_proc collects replies from the broadcast.
|
|
* to get a unique list of responses the output of rpcinfo should
|
|
* be piped through sort(1) and then uniq(1).
|
|
*/
|
|
|
|
/*ARGSUSED*/
|
|
static bool_t
|
|
reply_proc(res, who)
|
|
void *res; /* Nothing comes back */
|
|
struct sockaddr_in *who; /* Who sent us the reply */
|
|
{
|
|
register struct hostent *hp;
|
|
|
|
hp = gethostbyaddr((char *) &who->sin_addr, sizeof who->sin_addr,
|
|
AF_INET);
|
|
printf("%s %s\n", inet_ntoa(who->sin_addr),
|
|
(hp == NULL) ? "(unknown)" : hp->h_name);
|
|
return(FALSE);
|
|
}
|
|
|
|
static void
|
|
brdcst(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
enum clnt_stat rpc_stat;
|
|
u_long prognum, vers;
|
|
|
|
if (argc != 2) {
|
|
usage();
|
|
exit(1);
|
|
}
|
|
prognum = getprognum(argv[0]);
|
|
vers = getvers(argv[1]);
|
|
rpc_stat = clnt_broadcast(prognum, vers, NULLPROC, xdr_void,
|
|
(char *)NULL, xdr_void, (char *)NULL, reply_proc);
|
|
if ((rpc_stat != RPC_SUCCESS) && (rpc_stat != RPC_TIMEDOUT)) {
|
|
fprintf(stderr, "rpcinfo: broadcast failed: %s\n",
|
|
clnt_sperrno(rpc_stat));
|
|
exit(1);
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
static void
|
|
deletereg(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{ u_long prog_num, version_num ;
|
|
|
|
if (argc != 2) {
|
|
usage() ;
|
|
exit(1) ;
|
|
}
|
|
if (getuid()) { /* This command allowed only to root */
|
|
fprintf(stderr, "Sorry. You are not root\n") ;
|
|
exit(1) ;
|
|
}
|
|
prog_num = getprognum(argv[0]);
|
|
version_num = getvers(argv[1]);
|
|
if ((pmap_unset(prog_num, version_num)) == 0) {
|
|
fprintf(stderr, "rpcinfo: Could not delete registration for prog %s version %s\n",
|
|
argv[0], argv[1]) ;
|
|
exit(1) ;
|
|
}
|
|
}
|
|
|
|
static void
|
|
usage()
|
|
{
|
|
fprintf(stderr, "Usage: rpcinfo [ -n portnum ] -u host prognum [ versnum ]\n");
|
|
fprintf(stderr, " rpcinfo [ -n portnum ] -t host prognum [ versnum ]\n");
|
|
fprintf(stderr, " rpcinfo -p [ host ]\n");
|
|
fprintf(stderr, " rpcinfo -b prognum versnum\n");
|
|
fprintf(stderr, " rpcinfo -d prognum versnum\n") ;
|
|
}
|
|
|
|
static u_long
|
|
getprognum(arg)
|
|
char *arg;
|
|
{
|
|
register struct rpcent *rpc;
|
|
register u_long prognum;
|
|
|
|
if (isalpha(*arg)) {
|
|
rpc = getrpcbyname(arg);
|
|
if (rpc == NULL) {
|
|
fprintf(stderr, "rpcinfo: %s is unknown service\n",
|
|
arg);
|
|
exit(1);
|
|
}
|
|
prognum = rpc->r_number;
|
|
} else {
|
|
prognum = (u_long) atoi(arg);
|
|
}
|
|
|
|
return (prognum);
|
|
}
|
|
|
|
static u_long
|
|
getvers(arg)
|
|
char *arg;
|
|
{
|
|
register u_long vers;
|
|
|
|
vers = (int) atoi(arg);
|
|
return (vers);
|
|
}
|
|
|
|
static void
|
|
get_inet_address(addr, host)
|
|
struct sockaddr_in *addr;
|
|
char *host;
|
|
{
|
|
register struct hostent *hp;
|
|
|
|
bzero((char *)addr, sizeof *addr);
|
|
addr->sin_addr.s_addr = (u_long) inet_addr(host);
|
|
if (addr->sin_addr.s_addr == -1 || addr->sin_addr.s_addr == 0) {
|
|
if ((hp = gethostbyname(host)) == NULL) {
|
|
fprintf(stderr, "rpcinfo: %s is unknown host\n", host);
|
|
exit(1);
|
|
}
|
|
bcopy(hp->h_addr, (char *)&addr->sin_addr, hp->h_length);
|
|
}
|
|
addr->sin_family = AF_INET;
|
|
}
|