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 3073407b34SGarrett Wollman #ifndef LINT 3173407b34SGarrett Wollman static char rcsid[] = "ypwhich.c,v 1.2 1993/05/16 02:49:10 deraadt Exp"; 3273407b34SGarrett Wollman #endif 3373407b34SGarrett Wollman 3473407b34SGarrett Wollman #include <sys/param.h> 3573407b34SGarrett Wollman #include <sys/types.h> 3673407b34SGarrett Wollman #include <sys/socket.h> 3773407b34SGarrett Wollman #include <stdio.h> 3873407b34SGarrett Wollman #include <ctype.h> 3973407b34SGarrett Wollman #include <netdb.h> 4073407b34SGarrett Wollman #include <rpc/rpc.h> 4173407b34SGarrett Wollman #include <rpc/xdr.h> 427db881e1SBill Paul #include <rpcsvc/yp.h> 437db881e1SBill Paul struct dom_binding{}; 4473407b34SGarrett Wollman #include <rpcsvc/ypclnt.h> 4573407b34SGarrett Wollman 468a5bd1a2SBill Paul #define ERR_USAGE 1 /* bad arguments - display 'usage' message */ 478a5bd1a2SBill Paul #define ERR_NOSUCHHOST 2 /* no such host */ 488a5bd1a2SBill Paul #define ERR_NOBINDING 3 /* error from ypbind -- domain not bound */ 498a5bd1a2SBill Paul #define ERR_NOYPBIND 4 /* ypbind not running */ 508a5bd1a2SBill Paul #define ERR_NOMASTER 5 /* could not find master server */ 518a5bd1a2SBill Paul 5273407b34SGarrett Wollman extern bool_t xdr_domainname(); 5373407b34SGarrett Wollman 5473407b34SGarrett Wollman struct ypalias { 5573407b34SGarrett Wollman char *alias, *name; 5673407b34SGarrett Wollman } ypaliases[] = { 5773407b34SGarrett Wollman { "passwd", "passwd.byname" }, 58d228e65cSPeter Wemm { "master.passwd", "master.passwd.byname" }, 5973407b34SGarrett Wollman { "group", "group.byname" }, 6073407b34SGarrett Wollman { "networks", "networks.byaddr" }, 6173407b34SGarrett Wollman { "hosts", "hosts.byaddr" }, 6273407b34SGarrett Wollman { "protocols", "protocols.bynumber" }, 6373407b34SGarrett Wollman { "services", "services.byname" }, 6473407b34SGarrett Wollman { "aliases", "mail.aliases" }, 6573407b34SGarrett Wollman { "ethers", "ethers.byname" }, 6673407b34SGarrett Wollman }; 6773407b34SGarrett Wollman 6873407b34SGarrett Wollman usage() 6973407b34SGarrett Wollman { 7073407b34SGarrett Wollman fprintf(stderr, "Usage:\n"); 7173407b34SGarrett Wollman fprintf(stderr, "\typwhich [-d domain] [[-t] -m [mname] | host]\n"); 7273407b34SGarrett Wollman fprintf(stderr, "\typwhich -x\n"); 738a5bd1a2SBill Paul exit(ERR_USAGE); 7473407b34SGarrett Wollman } 7573407b34SGarrett Wollman 7673407b34SGarrett Wollman 7773407b34SGarrett Wollman /* 7873407b34SGarrett Wollman * Like yp_bind except can query a specific host 7973407b34SGarrett Wollman */ 8073407b34SGarrett Wollman bind_host(dom, sin) 8173407b34SGarrett Wollman char *dom; 8273407b34SGarrett Wollman struct sockaddr_in *sin; 8373407b34SGarrett Wollman { 8473407b34SGarrett Wollman struct hostent *hent = NULL; 8573407b34SGarrett Wollman struct ypbind_resp ypbr; 8673407b34SGarrett Wollman struct dom_binding *ysd; 8773407b34SGarrett Wollman struct timeval tv; 8873407b34SGarrett Wollman CLIENT *client; 8973407b34SGarrett Wollman int sock, r; 9073407b34SGarrett Wollman u_long ss_addr; 9173407b34SGarrett Wollman 9273407b34SGarrett Wollman sock = RPC_ANYSOCK; 9373407b34SGarrett Wollman tv.tv_sec = 15; 9473407b34SGarrett Wollman tv.tv_usec = 0; 9573407b34SGarrett Wollman client = clntudp_create(sin, YPBINDPROG, YPBINDVERS, tv, &sock); 9673407b34SGarrett Wollman if(client==NULL) { 9773407b34SGarrett Wollman fprintf(stderr, "can't clntudp_create: %s\n", 9873407b34SGarrett Wollman yperr_string(YPERR_YPBIND)); 9973407b34SGarrett Wollman return YPERR_YPBIND; 10073407b34SGarrett Wollman } 10173407b34SGarrett Wollman 10273407b34SGarrett Wollman tv.tv_sec = 5; 10373407b34SGarrett Wollman tv.tv_usec = 0; 10473407b34SGarrett Wollman r = clnt_call(client, YPBINDPROC_DOMAIN, 1057db881e1SBill Paul xdr_domainname, &dom, xdr_ypbind_resp, &ypbr, tv); 10673407b34SGarrett Wollman if( r != RPC_SUCCESS) { 10773407b34SGarrett Wollman fprintf(stderr, "can't clnt_call: %s\n", 10873407b34SGarrett Wollman yperr_string(YPERR_YPBIND)); 10973407b34SGarrett Wollman clnt_destroy(client); 11073407b34SGarrett Wollman return YPERR_YPBIND; 11173407b34SGarrett Wollman } else { 11273407b34SGarrett Wollman if (ypbr.ypbind_status != YPBIND_SUCC_VAL) { 11373407b34SGarrett Wollman fprintf(stderr, "can't yp_bind: Reason: %s\n", 1147db881e1SBill Paul ypbinderr_string(ypbr.ypbind_resp_u.ypbind_error)); 11573407b34SGarrett Wollman clnt_destroy(client); 11673407b34SGarrett Wollman return r; 11773407b34SGarrett Wollman } 11873407b34SGarrett Wollman } 11973407b34SGarrett Wollman clnt_destroy(client); 12073407b34SGarrett Wollman 1217db881e1SBill Paul ss_addr = *(u_long *)ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr; 12273407b34SGarrett Wollman /*printf("%08x\n", ss_addr);*/ 12373407b34SGarrett Wollman hent = gethostbyaddr((char *)&ss_addr, sizeof(ss_addr), AF_INET); 12473407b34SGarrett Wollman if (hent) 12573407b34SGarrett Wollman printf("%s\n", hent->h_name); 12673407b34SGarrett Wollman else 12773407b34SGarrett Wollman printf("%s\n", inet_ntoa(ss_addr)); 12873407b34SGarrett Wollman return 0; 12973407b34SGarrett Wollman } 13073407b34SGarrett Wollman 13173407b34SGarrett Wollman int 13273407b34SGarrett Wollman main(argc, argv) 13373407b34SGarrett Wollman char **argv; 13473407b34SGarrett Wollman { 13573407b34SGarrett Wollman char *domainname, *master, *map; 13673407b34SGarrett Wollman struct ypmaplist *ypml, *y; 13773407b34SGarrett Wollman extern char *optarg; 13873407b34SGarrett Wollman extern int optind; 13973407b34SGarrett Wollman struct hostent *hent; 14073407b34SGarrett Wollman struct sockaddr_in sin; 14173407b34SGarrett Wollman int notrans, mode, getmap; 14273407b34SGarrett Wollman int c, r, i; 14373407b34SGarrett Wollman 14473407b34SGarrett Wollman yp_get_default_domain(&domainname); 14573407b34SGarrett Wollman 14673407b34SGarrett Wollman map = NULL; 14773407b34SGarrett Wollman getmap = notrans = mode = 0; 14873407b34SGarrett Wollman while( (c=getopt(argc, argv, "xd:mt")) != -1) 14973407b34SGarrett Wollman switch(c) { 15073407b34SGarrett Wollman case 'x': 15173407b34SGarrett Wollman for(i=0; i<sizeof ypaliases/sizeof ypaliases[0]; i++) 152bbdb094bSGarrett Wollman printf("\"%s\" is an alias for \"%s\"\n", 15373407b34SGarrett Wollman ypaliases[i].alias, 15473407b34SGarrett Wollman ypaliases[i].name); 15573407b34SGarrett Wollman exit(0); 15673407b34SGarrett Wollman case 'd': 15773407b34SGarrett Wollman domainname = optarg; 15873407b34SGarrett Wollman break; 15973407b34SGarrett Wollman case 't': 16073407b34SGarrett Wollman notrans++; 16173407b34SGarrett Wollman break; 16273407b34SGarrett Wollman case 'm': 16373407b34SGarrett Wollman mode++; 16473407b34SGarrett Wollman break; 16573407b34SGarrett Wollman default: 16673407b34SGarrett Wollman usage(); 16773407b34SGarrett Wollman } 16873407b34SGarrett Wollman 16973407b34SGarrett Wollman if(mode==0) { 17073407b34SGarrett Wollman switch(argc-optind) { 17173407b34SGarrett Wollman case 0: 17273407b34SGarrett Wollman bzero(&sin, sizeof sin); 17373407b34SGarrett Wollman sin.sin_family = AF_INET; 17473407b34SGarrett Wollman sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 17573407b34SGarrett Wollman 17673407b34SGarrett Wollman if(bind_host(domainname, &sin)) 1778a5bd1a2SBill Paul exit(ERR_NOBINDING); 17873407b34SGarrett Wollman break; 17973407b34SGarrett Wollman case 1: 18073407b34SGarrett Wollman bzero(&sin, sizeof sin); 18173407b34SGarrett Wollman sin.sin_family = AF_INET; 18273407b34SGarrett Wollman if( (sin.sin_addr.s_addr=inet_addr(argv[optind]))==-1) { 18373407b34SGarrett Wollman hent = gethostbyname(argv[optind]); 18473407b34SGarrett Wollman if(!hent) { 18573407b34SGarrett Wollman fprintf(stderr, "ypwhich: host %s unknown\n", 18673407b34SGarrett Wollman argv[optind]); 1878a5bd1a2SBill Paul exit(ERR_NOSUCHHOST); 18873407b34SGarrett Wollman } 18973407b34SGarrett Wollman bcopy((char *)hent->h_addr_list[0], 19073407b34SGarrett Wollman (char *)&sin.sin_addr, sizeof sin.sin_addr); 19173407b34SGarrett Wollman } 19273407b34SGarrett Wollman if(bind_host(domainname, &sin)) 1938a5bd1a2SBill Paul exit(ERR_NOBINDING); 19473407b34SGarrett Wollman break; 19573407b34SGarrett Wollman default: 19673407b34SGarrett Wollman usage(); 19773407b34SGarrett Wollman } 19873407b34SGarrett Wollman exit(0); 19973407b34SGarrett Wollman } 20073407b34SGarrett Wollman 20173407b34SGarrett Wollman if( argc-optind > 1) 20273407b34SGarrett Wollman usage(); 20373407b34SGarrett Wollman 20473407b34SGarrett Wollman if(argv[optind]) { 20573407b34SGarrett Wollman map = argv[optind]; 20673407b34SGarrett Wollman for(i=0; (!notrans) && i<sizeof ypaliases/sizeof ypaliases[0]; i++) 20773407b34SGarrett Wollman if( strcmp(map, ypaliases[i].alias) == 0) 20873407b34SGarrett Wollman map = ypaliases[i].name; 20973407b34SGarrett Wollman r = yp_master(domainname, map, &master); 21073407b34SGarrett Wollman switch(r) { 21173407b34SGarrett Wollman case 0: 21273407b34SGarrett Wollman printf("%s\n", master); 21373407b34SGarrett Wollman free(master); 21473407b34SGarrett Wollman break; 21573407b34SGarrett Wollman case YPERR_YPBIND: 21673407b34SGarrett Wollman fprintf(stderr, "ypwhich: not running ypbind\n"); 2178a5bd1a2SBill Paul exit(ERR_NOYPBIND); 21873407b34SGarrett Wollman default: 21973407b34SGarrett Wollman fprintf(stderr, "Can't find master for map %s. Reason: %s\n", 22073407b34SGarrett Wollman map, yperr_string(r)); 2218a5bd1a2SBill Paul exit(ERR_NOMASTER); 22273407b34SGarrett Wollman } 22373407b34SGarrett Wollman exit(0); 22473407b34SGarrett Wollman } 22573407b34SGarrett Wollman 22673407b34SGarrett Wollman ypml = NULL; 22773407b34SGarrett Wollman r = yp_maplist(domainname, &ypml); 22873407b34SGarrett Wollman switch(r) { 22973407b34SGarrett Wollman case 0: 23073407b34SGarrett Wollman for(y=ypml; y; ) { 23173407b34SGarrett Wollman ypml = y; 2327db881e1SBill Paul r = yp_master(domainname, ypml->map, &master); 23373407b34SGarrett Wollman switch(r) { 23473407b34SGarrett Wollman case 0: 2357db881e1SBill Paul printf("%s %s\n", ypml->map, master); 23673407b34SGarrett Wollman free(master); 23773407b34SGarrett Wollman break; 23873407b34SGarrett Wollman default: 23973407b34SGarrett Wollman fprintf(stderr, 24073407b34SGarrett Wollman "YP: can't find the master of %s: Reason: %s\n", 2417db881e1SBill Paul ypml->map, yperr_string(r)); 24273407b34SGarrett Wollman break; 24373407b34SGarrett Wollman } 2447db881e1SBill Paul y = ypml->next; 24573407b34SGarrett Wollman free(ypml); 24673407b34SGarrett Wollman } 24773407b34SGarrett Wollman break; 24873407b34SGarrett Wollman case YPERR_YPBIND: 24973407b34SGarrett Wollman fprintf(stderr, "ypwhich: not running ypbind\n"); 2508a5bd1a2SBill Paul exit(ERR_NOYPBIND); 25173407b34SGarrett Wollman default: 25273407b34SGarrett Wollman fprintf(stderr, "Can't get map list for domain %s. Reason: %s\n", 25373407b34SGarrett Wollman domainname, yperr_string(r)); 2548a5bd1a2SBill Paul exit(ERR_NOMASTER); 25573407b34SGarrett Wollman } 25673407b34SGarrett Wollman exit(0); 25773407b34SGarrett Wollman } 258