173407b34SGarrett Wollman /* 273407b34SGarrett Wollman * Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca> 373407b34SGarrett Wollman * All rights reserved. 473407b34SGarrett Wollman * 573407b34SGarrett Wollman * Redistribution and use in source and binary forms, with or without 673407b34SGarrett Wollman * modification, are permitted provided that the following conditions 773407b34SGarrett Wollman * are met: 873407b34SGarrett Wollman * 1. Redistributions of source code must retain the above copyright 973407b34SGarrett Wollman * notice, this list of conditions and the following disclaimer. 1073407b34SGarrett Wollman * 2. Redistributions in binary form must reproduce the above copyright 1173407b34SGarrett Wollman * notice, this list of conditions and the following disclaimer in the 1273407b34SGarrett Wollman * documentation and/or other materials provided with the distribution. 1373407b34SGarrett Wollman * 3. The name of the author may not be used to endorse or promote 1473407b34SGarrett Wollman * products derived from this software without specific prior written 1573407b34SGarrett Wollman * permission. 1673407b34SGarrett Wollman * 1773407b34SGarrett Wollman * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 1873407b34SGarrett Wollman * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 1973407b34SGarrett Wollman * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2073407b34SGarrett Wollman * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 2173407b34SGarrett Wollman * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2273407b34SGarrett Wollman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2373407b34SGarrett Wollman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2473407b34SGarrett Wollman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2573407b34SGarrett Wollman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2673407b34SGarrett Wollman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2773407b34SGarrett Wollman * SUCH DAMAGE. 2873407b34SGarrett Wollman */ 2973407b34SGarrett Wollman 307008c93dSPhilippe Charnier #ifndef lint 317008c93dSPhilippe Charnier static const char rcsid[] = 3228faa530SPeter Wemm "$Id: ypwhich.c,v 1.9 1997/08/29 11:56:51 charnier Exp $"; 337008c93dSPhilippe Charnier #endif /* not lint */ 3473407b34SGarrett Wollman 3573407b34SGarrett Wollman #include <sys/param.h> 3673407b34SGarrett Wollman #include <sys/types.h> 3773407b34SGarrett Wollman #include <sys/socket.h> 3828faa530SPeter Wemm #include <netinet/in.h> 3928faa530SPeter Wemm #include <arpa/inet.h> 4073407b34SGarrett Wollman #include <ctype.h> 417008c93dSPhilippe Charnier #include <err.h> 4273407b34SGarrett Wollman #include <netdb.h> 437008c93dSPhilippe Charnier #include <stdio.h> 447008c93dSPhilippe Charnier #include <stdlib.h> 457008c93dSPhilippe Charnier #include <string.h> 467008c93dSPhilippe Charnier #include <unistd.h> 4773407b34SGarrett Wollman #include <rpc/rpc.h> 4873407b34SGarrett Wollman #include <rpc/xdr.h> 497db881e1SBill Paul #include <rpcsvc/yp.h> 507db881e1SBill Paul struct dom_binding{}; 5173407b34SGarrett Wollman #include <rpcsvc/ypclnt.h> 5273407b34SGarrett Wollman 538a5bd1a2SBill Paul #define ERR_USAGE 1 /* bad arguments - display 'usage' message */ 548a5bd1a2SBill Paul #define ERR_NOSUCHHOST 2 /* no such host */ 558a5bd1a2SBill Paul #define ERR_NOBINDING 3 /* error from ypbind -- domain not bound */ 568a5bd1a2SBill Paul #define ERR_NOYPBIND 4 /* ypbind not running */ 578a5bd1a2SBill Paul #define ERR_NOMASTER 5 /* could not find master server */ 588a5bd1a2SBill Paul 5973407b34SGarrett Wollman extern bool_t xdr_domainname(); 6073407b34SGarrett Wollman 6173407b34SGarrett Wollman struct ypalias { 6273407b34SGarrett Wollman char *alias, *name; 6373407b34SGarrett Wollman } ypaliases[] = { 6473407b34SGarrett Wollman { "passwd", "passwd.byname" }, 65d228e65cSPeter Wemm { "master.passwd", "master.passwd.byname" }, 6673407b34SGarrett Wollman { "group", "group.byname" }, 6773407b34SGarrett Wollman { "networks", "networks.byaddr" }, 6873407b34SGarrett Wollman { "hosts", "hosts.byaddr" }, 6973407b34SGarrett Wollman { "protocols", "protocols.bynumber" }, 7073407b34SGarrett Wollman { "services", "services.byname" }, 7173407b34SGarrett Wollman { "aliases", "mail.aliases" }, 7273407b34SGarrett Wollman { "ethers", "ethers.byname" }, 7373407b34SGarrett Wollman }; 7473407b34SGarrett Wollman 757008c93dSPhilippe Charnier static void 7673407b34SGarrett Wollman usage() 7773407b34SGarrett Wollman { 787008c93dSPhilippe Charnier fprintf(stderr, "%s\n%s\n", 797008c93dSPhilippe Charnier "usage: ypwhich [-d domain] [[-t] -m [mname] | host]", 807008c93dSPhilippe Charnier " ypwhich -x"); 818a5bd1a2SBill Paul exit(ERR_USAGE); 8273407b34SGarrett Wollman } 8373407b34SGarrett Wollman 8473407b34SGarrett Wollman 8573407b34SGarrett Wollman /* 8673407b34SGarrett Wollman * Like yp_bind except can query a specific host 8773407b34SGarrett Wollman */ 887008c93dSPhilippe Charnier int 8973407b34SGarrett Wollman bind_host(dom, sin) 9073407b34SGarrett Wollman char *dom; 9173407b34SGarrett Wollman struct sockaddr_in *sin; 9273407b34SGarrett Wollman { 9373407b34SGarrett Wollman struct hostent *hent = NULL; 9473407b34SGarrett Wollman struct ypbind_resp ypbr; 9573407b34SGarrett Wollman struct timeval tv; 9673407b34SGarrett Wollman CLIENT *client; 9773407b34SGarrett Wollman int sock, r; 9828faa530SPeter Wemm struct in_addr ss_addr; 9973407b34SGarrett Wollman 10073407b34SGarrett Wollman sock = RPC_ANYSOCK; 10173407b34SGarrett Wollman tv.tv_sec = 15; 10273407b34SGarrett Wollman tv.tv_usec = 0; 10373407b34SGarrett Wollman client = clntudp_create(sin, YPBINDPROG, YPBINDVERS, tv, &sock); 10473407b34SGarrett Wollman if(client==NULL) { 1057008c93dSPhilippe Charnier warnx("can't clntudp_create: %s", yperr_string(YPERR_YPBIND)); 10673407b34SGarrett Wollman return YPERR_YPBIND; 10773407b34SGarrett Wollman } 10873407b34SGarrett Wollman 10973407b34SGarrett Wollman tv.tv_sec = 5; 11073407b34SGarrett Wollman tv.tv_usec = 0; 11173407b34SGarrett Wollman r = clnt_call(client, YPBINDPROC_DOMAIN, 1127db881e1SBill Paul xdr_domainname, &dom, xdr_ypbind_resp, &ypbr, tv); 11373407b34SGarrett Wollman if( r != RPC_SUCCESS) { 1147008c93dSPhilippe Charnier warnx("can't clnt_call: %s", yperr_string(YPERR_YPBIND)); 11573407b34SGarrett Wollman clnt_destroy(client); 11673407b34SGarrett Wollman return YPERR_YPBIND; 11773407b34SGarrett Wollman } else { 11873407b34SGarrett Wollman if (ypbr.ypbind_status != YPBIND_SUCC_VAL) { 1197008c93dSPhilippe Charnier warnx("can't yp_bind: reason: %s", 1207db881e1SBill Paul ypbinderr_string(ypbr.ypbind_resp_u.ypbind_error)); 12173407b34SGarrett Wollman clnt_destroy(client); 12273407b34SGarrett Wollman return r; 12373407b34SGarrett Wollman } 12473407b34SGarrett Wollman } 12573407b34SGarrett Wollman clnt_destroy(client); 12673407b34SGarrett Wollman 12728faa530SPeter Wemm ss_addr = *(struct in_addr *)ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr; 12873407b34SGarrett Wollman /*printf("%08x\n", ss_addr);*/ 12973407b34SGarrett Wollman hent = gethostbyaddr((char *)&ss_addr, sizeof(ss_addr), AF_INET); 13073407b34SGarrett Wollman if (hent) 13173407b34SGarrett Wollman printf("%s\n", hent->h_name); 13273407b34SGarrett Wollman else 13373407b34SGarrett Wollman printf("%s\n", inet_ntoa(ss_addr)); 13473407b34SGarrett Wollman return 0; 13573407b34SGarrett Wollman } 13673407b34SGarrett Wollman 13773407b34SGarrett Wollman int 13873407b34SGarrett Wollman main(argc, argv) 13973407b34SGarrett Wollman char **argv; 14073407b34SGarrett Wollman { 1417008c93dSPhilippe Charnier char *domainname = NULL, *master, *map = NULL; 14273407b34SGarrett Wollman struct ypmaplist *ypml, *y; 14373407b34SGarrett Wollman struct hostent *hent; 14473407b34SGarrett Wollman struct sockaddr_in sin; 14573407b34SGarrett Wollman int notrans, mode, getmap; 14673407b34SGarrett Wollman int c, r, i; 14773407b34SGarrett Wollman 14873407b34SGarrett Wollman getmap = notrans = mode = 0; 14973407b34SGarrett Wollman while( (c=getopt(argc, argv, "xd:mt")) != -1) 15073407b34SGarrett Wollman switch(c) { 15173407b34SGarrett Wollman case 'x': 15273407b34SGarrett Wollman for(i=0; i<sizeof ypaliases/sizeof ypaliases[0]; i++) 153bbdb094bSGarrett Wollman printf("\"%s\" is an alias for \"%s\"\n", 15473407b34SGarrett Wollman ypaliases[i].alias, 15573407b34SGarrett Wollman ypaliases[i].name); 15673407b34SGarrett Wollman exit(0); 15773407b34SGarrett Wollman case 'd': 15873407b34SGarrett Wollman domainname = optarg; 15973407b34SGarrett Wollman break; 16073407b34SGarrett Wollman case 't': 16173407b34SGarrett Wollman notrans++; 16273407b34SGarrett Wollman break; 16373407b34SGarrett Wollman case 'm': 16473407b34SGarrett Wollman mode++; 16573407b34SGarrett Wollman break; 16673407b34SGarrett Wollman default: 16773407b34SGarrett Wollman usage(); 16873407b34SGarrett Wollman } 16973407b34SGarrett Wollman 1707008c93dSPhilippe Charnier if(!domainname) 1717008c93dSPhilippe Charnier yp_get_default_domain(&domainname); 1727008c93dSPhilippe Charnier 17373407b34SGarrett Wollman if(mode==0) { 17473407b34SGarrett Wollman switch(argc-optind) { 17573407b34SGarrett Wollman case 0: 17673407b34SGarrett Wollman bzero(&sin, sizeof sin); 17773407b34SGarrett Wollman sin.sin_family = AF_INET; 17873407b34SGarrett Wollman sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 17973407b34SGarrett Wollman 18073407b34SGarrett Wollman if(bind_host(domainname, &sin)) 1818a5bd1a2SBill Paul exit(ERR_NOBINDING); 18273407b34SGarrett Wollman break; 18373407b34SGarrett Wollman case 1: 18473407b34SGarrett Wollman bzero(&sin, sizeof sin); 18573407b34SGarrett Wollman sin.sin_family = AF_INET; 18673407b34SGarrett Wollman if( (sin.sin_addr.s_addr=inet_addr(argv[optind]))==-1) { 18773407b34SGarrett Wollman hent = gethostbyname(argv[optind]); 1887008c93dSPhilippe Charnier if(!hent) 1897008c93dSPhilippe Charnier errx(ERR_NOSUCHHOST, "host %s unknown", argv[optind]); 19073407b34SGarrett Wollman bcopy((char *)hent->h_addr_list[0], 19173407b34SGarrett Wollman (char *)&sin.sin_addr, sizeof sin.sin_addr); 19273407b34SGarrett Wollman } 19373407b34SGarrett Wollman if(bind_host(domainname, &sin)) 1948a5bd1a2SBill Paul exit(ERR_NOBINDING); 19573407b34SGarrett Wollman break; 19673407b34SGarrett Wollman default: 19773407b34SGarrett Wollman usage(); 19873407b34SGarrett Wollman } 19973407b34SGarrett Wollman exit(0); 20073407b34SGarrett Wollman } 20173407b34SGarrett Wollman 20273407b34SGarrett Wollman if( argc-optind > 1) 20373407b34SGarrett Wollman usage(); 20473407b34SGarrett Wollman 20573407b34SGarrett Wollman if(argv[optind]) { 20673407b34SGarrett Wollman map = argv[optind]; 20773407b34SGarrett Wollman for(i=0; (!notrans) && i<sizeof ypaliases/sizeof ypaliases[0]; i++) 20873407b34SGarrett Wollman if( strcmp(map, ypaliases[i].alias) == 0) 20973407b34SGarrett Wollman map = ypaliases[i].name; 21073407b34SGarrett Wollman r = yp_master(domainname, map, &master); 21173407b34SGarrett Wollman switch(r) { 21273407b34SGarrett Wollman case 0: 21373407b34SGarrett Wollman printf("%s\n", master); 21473407b34SGarrett Wollman free(master); 21573407b34SGarrett Wollman break; 21673407b34SGarrett Wollman case YPERR_YPBIND: 2177008c93dSPhilippe Charnier errx(ERR_NOYPBIND, "not running ypbind"); 21873407b34SGarrett Wollman default: 2197008c93dSPhilippe Charnier errx(ERR_NOMASTER, "can't find master for map %s. reason: %s", 22073407b34SGarrett Wollman map, yperr_string(r)); 22173407b34SGarrett Wollman } 22273407b34SGarrett Wollman exit(0); 22373407b34SGarrett Wollman } 22473407b34SGarrett Wollman 22573407b34SGarrett Wollman ypml = NULL; 22673407b34SGarrett Wollman r = yp_maplist(domainname, &ypml); 22773407b34SGarrett Wollman switch(r) { 22873407b34SGarrett Wollman case 0: 22973407b34SGarrett Wollman for(y=ypml; y; ) { 23073407b34SGarrett Wollman ypml = y; 2317db881e1SBill Paul r = yp_master(domainname, ypml->map, &master); 23273407b34SGarrett Wollman switch(r) { 23373407b34SGarrett Wollman case 0: 2347db881e1SBill Paul printf("%s %s\n", ypml->map, master); 23573407b34SGarrett Wollman free(master); 23673407b34SGarrett Wollman break; 23773407b34SGarrett Wollman default: 2387008c93dSPhilippe Charnier warnx("can't find the master of %s: reason: %s", 2397db881e1SBill Paul ypml->map, yperr_string(r)); 24073407b34SGarrett Wollman break; 24173407b34SGarrett Wollman } 2427db881e1SBill Paul y = ypml->next; 24373407b34SGarrett Wollman free(ypml); 24473407b34SGarrett Wollman } 24573407b34SGarrett Wollman break; 24673407b34SGarrett Wollman case YPERR_YPBIND: 2477008c93dSPhilippe Charnier errx(ERR_NOYPBIND, "not running ypbind"); 24873407b34SGarrett Wollman default: 2497008c93dSPhilippe Charnier errx(ERR_NOMASTER, "can't get map list for domain %s. reason: %s", 25073407b34SGarrett Wollman domainname, yperr_string(r)); 25173407b34SGarrett Wollman } 25273407b34SGarrett Wollman exit(0); 25373407b34SGarrett Wollman } 254