2 * Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote
14 * products derived from this software without specific prior written
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include <sys/param.h>
34 #include <sys/types.h>
35 #include <sys/socket.h>
39 #include <rpcsvc/yp_prot.h>
40 #include <rpcsvc/ypclnt.h>
42 #include <netinet/in.h>
44 #include <arpa/inet.h>
54 #define ERR_USAGE 1 /* bad arguments - display 'usage' message */
55 #define ERR_NOSUCHHOST 2 /* no such host */
56 #define ERR_NOBINDING 3 /* error from ypbind -- domain not bound */
57 #define ERR_NOYPBIND 4 /* ypbind not running */
58 #define ERR_NOMASTER 5 /* could not find master server */
60 extern bool_t xdr_domainname();
65 { "passwd", "passwd.byname" },
66 { "master.passwd", "master.passwd.byname" },
67 { "shadow", "shadow.byname" },
68 { "group", "group.byname" },
69 { "networks", "networks.byaddr" },
70 { "hosts", "hosts.byaddr" },
71 { "protocols", "protocols.bynumber" },
72 { "services", "services.byname" },
73 { "aliases", "mail.aliases" },
74 { "ethers", "ethers.byname" },
80 fprintf(stderr, "%s\n%s\n",
81 "usage: ypwhich [-d domain] [[-t] -m [mname] | host]",
88 * Like yp_bind except can query a specific host
91 bind_host(char *dom, struct sockaddr_in *lsin)
93 struct hostent *hent = NULL;
94 struct ypbind_resp ypbr;
98 struct in_addr ss_addr;
103 client = clntudp_create(lsin, YPBINDPROG, YPBINDVERS, tv, &sock);
104 if (client == NULL) {
105 warnx("can't clntudp_create: %s", yperr_string(YPERR_YPBIND));
106 return (YPERR_YPBIND);
111 r = clnt_call(client, YPBINDPROC_DOMAIN,
112 (xdrproc_t)xdr_domainname, &dom,
113 (xdrproc_t)xdr_ypbind_resp, &ypbr, tv);
114 if (r != RPC_SUCCESS) {
115 warnx("can't clnt_call: %s", yperr_string(YPERR_YPBIND));
116 clnt_destroy(client);
117 return (YPERR_YPBIND);
119 if (ypbr.ypbind_status != YPBIND_SUCC_VAL) {
120 warnx("can't yp_bind: reason: %s",
121 ypbinderr_string(ypbr.ypbind_respbody.ypbind_error));
122 clnt_destroy(client);
126 clnt_destroy(client);
128 ss_addr = ypbr.ypbind_respbody.ypbind_bindinfo.ypbind_binding_addr;
129 /*printf("%08x\n", ss_addr);*/
130 hent = gethostbyaddr((char *)&ss_addr, sizeof(ss_addr), AF_INET);
132 printf("%s\n", hent->h_name);
134 printf("%s\n", inet_ntoa(ss_addr));
139 main(int argc, char *argv[])
141 char *domnam = NULL, *master;
143 struct ypmaplist *ypml, *y;
144 struct hostent *hent;
145 struct sockaddr_in lsin;
146 int notrans, mode, getmap;
150 getmap = notrans = mode = 0;
151 while ((c = getopt(argc, argv, "xd:mt")) != -1)
154 for (i = 0; i<sizeof ypaliases/sizeof ypaliases[0]; i++)
155 printf("\"%s\" is an alias for \"%s\"\n",
173 yp_get_default_domain(&domnam);
176 switch (argc-optind) {
178 bzero(&lsin, sizeof lsin);
179 lsin.sin_family = AF_INET;
180 lsin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
182 if (bind_host(domnam, &lsin))
186 bzero(&lsin, sizeof lsin);
187 lsin.sin_family = AF_INET;
188 if ((lsin.sin_addr.s_addr = inet_addr(argv[optind])) == INADDR_NONE) {
189 hent = gethostbyname(argv[optind]);
191 errx(ERR_NOSUCHHOST, "host %s unknown", argv[optind]);
192 bcopy((char *)hent->h_addr_list[0],
193 (char *)&lsin.sin_addr, sizeof lsin.sin_addr);
195 if (bind_host(domnam, &lsin))
209 for (i = 0; (!notrans) && i<sizeof ypaliases/sizeof ypaliases[0]; i++)
210 if (strcmp(map, ypaliases[i].alias) == 0)
211 map = ypaliases[i].name;
212 r = yp_master(domnam, map, &master);
215 printf("%s\n", master);
219 errx(ERR_NOYPBIND, "not running ypbind");
221 errx(ERR_NOMASTER, "can't find master for map %s: reason: %s",
222 map, yperr_string(r));
228 r = yp_maplist(domnam, &ypml);
233 r = yp_master(domnam, ypml->ypml_name, &master);
236 printf("%s %s\n", ypml->ypml_name, master);
240 warnx("can't find the master of %s: reason: %s",
241 ypml->ypml_name, yperr_string(r));
249 errx(ERR_NOYPBIND, "not running ypbind");
251 errx(ERR_NOMASTER, "can't get map list for domain %s: reason: %s",
252 domnam, yperr_string(r));