#ifndef lint /*static char sccsid[] = "from: @(#)rpcinfo.c 1.22 87/08/12 SMI";*/ /*static char sccsid[] = "from: @(#)rpcinfo.c 2.2 88/08/11 4.0 RPCSRC";*/ static char rcsid[] = "$FreeBSD$"; #endif /* * Copyright (C) 1986, Sun Microsystems, Inc. */ /* * rpcinfo: ping a particular rpc program * or dump the portmapper */ /* * 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, MERCHANTIBILITY 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 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #define MAXHOSTLEN 256 #define MIN_VERS ((u_long) 0) #define MAX_VERS ((u_long) 4294967295UL) static void udpping(/*u_short portflag, int argc, char **argv*/); static void tcpping(/*u_short portflag, int argc, char **argv*/); static int pstatus(/*CLIENT *client, u_long prognum, u_long vers*/); static void pmapdump(/*int argc, char **argv*/); static bool_t reply_proc(/*void *res, struct sockaddr_in *who*/); static void brdcst(/*int argc, char **argv*/); static void deletereg(/* int argc, char **argv */) ; static void usage(/*void*/); static u_long getprognum(/*char *arg*/); static u_long getvers(/*char *arg*/); static void get_inet_address(/*struct sockaddr_in *addr, char *host*/); /* * Functions to be performed. */ #define NONE 0 /* no function */ #define PMAPDUMP 1 /* dump portmapper registrations */ #define TCPPING 2 /* ping TCP service */ #define UDPPING 3 /* ping UDP service */ #define BRDCST 4 /* ping broadcast UDP service */ #define DELETES 5 /* delete registration for the service */ int main(argc, argv) int argc; char **argv; { register int c; int errflg; int function; u_short portnum; function = NONE; portnum = 0; errflg = 0; while ((c = getopt(argc, argv, "ptubdn:")) != -1) { switch (c) { case 'p': if (function != NONE) errflg = 1; else function = PMAPDUMP; break; case 't': if (function != NONE) errflg = 1; else function = TCPPING; break; case 'u': if (function != NONE) errflg = 1; else function = UDPPING; break; case 'b': if (function != NONE) errflg = 1; else function = BRDCST; break; case 'n': portnum = (u_short) atoi(optarg); /* hope we don't get bogus # */ break; case 'd': if (function != NONE) errflg = 1; else function = DELETES; break; case '?': errflg = 1; } } if (errflg || function == NONE) { usage(); return (1); } switch (function) { case PMAPDUMP: if (portnum != 0) { usage(); return (1); } pmapdump(argc - optind, argv + optind); break; case UDPPING: udpping(portnum, argc - optind, argv + optind); break; case TCPPING: tcpping(portnum, argc - optind, argv + optind); break; case BRDCST: if (portnum != 0) { usage(); return (1); } brdcst(argc - optind, argv + optind); break; case DELETES: deletereg(argc - optind, argv + optind); break; } return (0); } static void udpping(portnum, argc, argv) u_short portnum; int argc; char **argv; { struct timeval to; struct sockaddr_in addr; enum clnt_stat rpc_stat; CLIENT *client; u_long prognum, vers, minvers, maxvers; int sock = RPC_ANYSOCK; struct rpc_err rpcerr; int failure; if (argc < 2 || argc > 3) { usage(); exit(1); } prognum = getprognum(argv[1]); get_inet_address(&addr, argv[0]); /* Open the socket here so it will survive calls to clnt_destroy */ sock = socket( AF_INET, SOCK_DGRAM, IPPROTO_UDP); if (sock < 0) { perror("rpcinfo: socket"); exit(1); } failure = 0; if (argc == 2) { /* * A call to version 0 should fail with a program/version * mismatch, and give us the range of versions supported. */ addr.sin_port = htons(portnum); to.tv_sec = 5; to.tv_usec = 0; if ((client = clntudp_create(&addr, prognum, (u_long)0, to, &sock)) == NULL) { clnt_pcreateerror("rpcinfo"); printf("program %lu is not available\n", prognum); exit(1); } to.tv_sec = 10; to.tv_usec = 0; rpc_stat = clnt_call(client, NULLPROC, xdr_void, (char *)NULL, xdr_void, (char *)NULL, to); if (rpc_stat == RPC_PROGVERSMISMATCH) { clnt_geterr(client, &rpcerr); minvers = rpcerr.re_vers.low; maxvers = rpcerr.re_vers.high; } else if (rpc_stat == RPC_SUCCESS) { /* * Oh dear, it DOES support version 0. * Let's try version MAX_VERS. */ addr.sin_port = htons(portnum); to.tv_sec = 5; to.tv_usec = 0; if ((client = clntudp_create(&addr, prognum, MAX_VERS, to, &sock)) == NULL) { clnt_pcreateerror("rpcinfo"); printf("program %lu version %lu is not available\n", prognum, MAX_VERS); exit(1); } to.tv_sec = 10; to.tv_usec = 0; rpc_stat = clnt_call(client, NULLPROC, xdr_void, (char *)NULL, xdr_void, (char *)NULL, to); if (rpc_stat == RPC_PROGVERSMISMATCH) { clnt_geterr(client, &rpcerr); minvers = rpcerr.re_vers.low; maxvers = rpcerr.re_vers.high; } else if (rpc_stat == RPC_SUCCESS) { /* * It also supports version MAX_VERS. * Looks like we have a wise guy. * OK, we give them information on all * 4 billion versions they support... */ minvers = 0; maxvers = MAX_VERS; } else { (void) pstatus(client, prognum, MAX_VERS); exit(1); } } else { (void) pstatus(client, prognum, (u_long)0); exit(1); } clnt_destroy(client); for (vers = minvers; vers <= maxvers; vers++) { addr.sin_port = htons(portnum); to.tv_sec = 5; to.tv_usec = 0; if ((client = clntudp_create(&addr, prognum, vers, to, &sock)) == NULL) { clnt_pcreateerror("rpcinfo"); printf("program %lu version %lu is not available\n", prognum, vers); exit(1); } to.tv_sec = 10; to.tv_usec = 0; rpc_stat = clnt_call(client, NULLPROC, xdr_void, (char *)NULL, xdr_void, (char *)NULL, to); if (pstatus(client, prognum, vers) < 0) failure = 1; clnt_destroy(client); } } else { vers = getvers(argv[2]); addr.sin_port = htons(portnum); to.tv_sec = 5; to.tv_usec = 0; if ((client = clntudp_create(&addr, prognum, vers, to, &sock)) == NULL) { clnt_pcreateerror("rpcinfo"); printf("program %lu version %lu is not available\n", prognum, vers); exit(1); } to.tv_sec = 10; to.tv_usec = 0; rpc_stat = clnt_call(client, 0, xdr_void, (char *)NULL, xdr_void, (char *)NULL, to); if (pstatus(client, prognum, vers) < 0) failure = 1; } (void) close(sock); /* Close it up again */ if (failure) exit(1); } static void tcpping(portnum, argc, argv) u_short portnum; int argc; char **argv; { struct timeval to; struct sockaddr_in addr; enum clnt_stat rpc_stat; CLIENT *client; u_long prognum, vers, minvers, maxvers; int sock = RPC_ANYSOCK; struct rpc_err rpcerr; int failure; if (argc < 2 || argc > 3) { usage(); exit(1); } prognum = getprognum(argv[1]); get_inet_address(&addr, argv[0]); failure = 0; if (argc == 2) { /* * A call to version 0 should fail with a program/version * mismatch, and give us the range of versions supported. */ addr.sin_port = htons(portnum); if ((client = clnttcp_create(&addr, prognum, MIN_VERS, &sock, 0, 0)) == NULL) { clnt_pcreateerror("rpcinfo"); printf("program %lu is not available\n", prognum); exit(1); } to.tv_sec = 10; to.tv_usec = 0; rpc_stat = clnt_call(client, NULLPROC, xdr_void, (char *)NULL, xdr_void, (char *)NULL, to); if (rpc_stat == RPC_PROGVERSMISMATCH) { clnt_geterr(client, &rpcerr); minvers = rpcerr.re_vers.low; maxvers = rpcerr.re_vers.high; } else if (rpc_stat == RPC_SUCCESS) { /* * Oh dear, it DOES support version 0. * Let's try version MAX_VERS. */ addr.sin_port = htons(portnum); if ((client = clnttcp_create(&addr, prognum, MAX_VERS, &sock, 0, 0)) == NULL) { clnt_pcreateerror("rpcinfo"); printf("program %lu version %lu is not available\n", prognum, MAX_VERS); exit(1); } to.tv_sec = 10; to.tv_usec = 0; rpc_stat = clnt_call(client, NULLPROC, xdr_void, (char *)NULL, xdr_void, (char *)NULL, to); if (rpc_stat == RPC_PROGVERSMISMATCH) { clnt_geterr(client, &rpcerr); minvers = rpcerr.re_vers.low; maxvers = rpcerr.re_vers.high; } else if (rpc_stat == RPC_SUCCESS) { /* * It also supports version MAX_VERS. * Looks like we have a wise guy. * OK, we give them information on all * 4 billion versions they support... */ minvers = 0; maxvers = MAX_VERS; } else { (void) pstatus(client, prognum, MAX_VERS); exit(1); } } else { (void) pstatus(client, prognum, MIN_VERS); exit(1); } clnt_destroy(client); (void) close(sock); sock = RPC_ANYSOCK; /* Re-initialize it for later */ for (vers = minvers; vers <= maxvers; vers++) { addr.sin_port = htons(portnum); if ((client = clnttcp_create(&addr, prognum, vers, &sock, 0, 0)) == NULL) { clnt_pcreateerror("rpcinfo"); printf("program %lu version %lu is not available\n", prognum, vers); exit(1); } to.tv_usec = 0; to.tv_sec = 10; rpc_stat = clnt_call(client, 0, xdr_void, (char *)NULL, xdr_void, (char *)NULL, to); if (pstatus(client, prognum, vers) < 0) failure = 1; clnt_destroy(client); (void) close(sock); sock = RPC_ANYSOCK; } } else { vers = getvers(argv[2]); addr.sin_port = htons(portnum); if ((client = clnttcp_create(&addr, prognum, vers, &sock, 0, 0)) == NULL) { clnt_pcreateerror("rpcinfo"); printf("program %lu version %lu is not available\n", prognum, vers); exit(1); } to.tv_usec = 0; to.tv_sec = 10; rpc_stat = clnt_call(client, 0, xdr_void, (char *)NULL, xdr_void, (char *)NULL, to); if (pstatus(client, prognum, vers) < 0) failure = 1; } if (failure) exit(1); } /* * This routine should take a pointer to an "rpc_err" structure, rather than * a pointer to a CLIENT structure, but "clnt_perror" takes a pointer to * a CLIENT structure rather than a pointer to an "rpc_err" structure. * As such, we have to keep the CLIENT structure around in order to print * a good error message. */ static int pstatus(client, prognum, vers) register CLIENT *client; u_long prognum; u_long vers; { struct rpc_err rpcerr; clnt_geterr(client, &rpcerr); if (rpcerr.re_status != RPC_SUCCESS) { clnt_perror(client, "rpcinfo"); printf("program %lu version %lu is not available\n", prognum, vers); return (-1); } else { printf("program %lu version %lu ready and waiting\n", prognum, vers); return (0); } } static void pmapdump(argc, argv) int argc; char **argv; { struct sockaddr_in server_addr; register struct hostent *hp; struct pmaplist *head = NULL; int socket = RPC_ANYSOCK; struct timeval minutetimeout; register CLIENT *client; struct rpcent *rpc; if (argc > 1) { usage(); exit(1); } if (argc == 1) get_inet_address(&server_addr, argv[0]); else { bzero((char *)&server_addr, sizeof server_addr); server_addr.sin_family = AF_INET; if ((hp = gethostbyname("localhost")) != NULL) bcopy(hp->h_addr, (caddr_t)&server_addr.sin_addr, MIN(hp->h_length,sizeof(server_addr.sin_addr))); else server_addr.sin_addr.s_addr = inet_addr("0.0.0.0"); } minutetimeout.tv_sec = 60; minutetimeout.tv_usec = 0; server_addr.sin_port = htons(PMAPPORT); if ((client = clnttcp_create(&server_addr, PMAPPROG, PMAPVERS, &socket, 50, 500)) == NULL) { clnt_pcreateerror("rpcinfo: can't contact portmapper"); exit(1); } if (clnt_call(client, PMAPPROC_DUMP, xdr_void, NULL, xdr_pmaplist, &head, minutetimeout) != RPC_SUCCESS) { fprintf(stderr, "rpcinfo: can't contact portmapper: "); clnt_perror(client, "rpcinfo"); exit(1); } if (head == NULL) { printf("No remote programs registered.\n"); } else { printf(" program vers proto port\n"); 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 */ errx(1, "sorry, you are not root") ; prog_num = getprognum(argv[0]); version_num = getvers(argv[1]); if ((pmap_unset(prog_num, version_num)) == 0) errx(1, "could not delete registration for prog %s version %s", argv[0], argv[1]) ; } static void usage() { fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n", "usage: rpcinfo [-n portnum] -u host prognum [versnum]", " rpcinfo [-n portnum] -t host prognum [versnum]", " rpcinfo -p [host]", " rpcinfo -b prognum versnum", " rpcinfo -d prognum versnum"); } static u_long getprognum(arg) char *arg; { register struct rpcent *rpc; register u_long prognum; if (isalpha(*arg)) { rpc = getrpcbyname(arg); if (rpc == NULL) errx(1, "%s is unknown service", arg); 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) errx(1, "%s is unknown host\n", host); bcopy(hp->h_addr, (char *)&addr->sin_addr, MIN(hp->h_length,sizeof(addr->sin_addr))); } addr->sin_family = AF_INET; }