Modify linux_{send,recv}msg() and linux_{set,get}sockopt() to use the
[dragonfly.git] / usr.bin / ypwhich / ypwhich.c
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1/*
2 * Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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
15 * permission.
16 *
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
27 * SUCH DAMAGE.
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28 *
29 * $FreeBSD: src/usr.bin/ypwhich/ypwhich.c,v 1.11.2.1 2002/02/15 00:46:56 des Exp $
30 * $DragonFly: src/usr.bin/ypwhich/ypwhich.c,v 1.2 2003/06/17 04:29:34 dillon Exp $
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31 */
32
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33#include <sys/param.h>
34#include <sys/types.h>
35#include <sys/socket.h>
36#include <netinet/in.h>
37#include <arpa/inet.h>
38#include <ctype.h>
39#include <err.h>
40#include <netdb.h>
41#include <stdio.h>
42#include <stdlib.h>
43#include <string.h>
44#include <unistd.h>
45#include <rpc/rpc.h>
46#include <rpc/xdr.h>
47#include <rpcsvc/yp.h>
48struct dom_binding{};
49#include <rpcsvc/ypclnt.h>
50
51#define ERR_USAGE 1 /* bad arguments - display 'usage' message */
52#define ERR_NOSUCHHOST 2 /* no such host */
53#define ERR_NOBINDING 3 /* error from ypbind -- domain not bound */
54#define ERR_NOYPBIND 4 /* ypbind not running */
55#define ERR_NOMASTER 5 /* could not find master server */
56
57extern bool_t xdr_domainname();
58
59struct ypalias {
60 char *alias, *name;
61} ypaliases[] = {
62 { "passwd", "passwd.byname" },
63 { "master.passwd", "master.passwd.byname" },
64 { "group", "group.byname" },
65 { "networks", "networks.byaddr" },
66 { "hosts", "hosts.byaddr" },
67 { "protocols", "protocols.bynumber" },
68 { "services", "services.byname" },
69 { "aliases", "mail.aliases" },
70 { "ethers", "ethers.byname" },
71};
72
73static void
74usage()
75{
76 fprintf(stderr, "%s\n%s\n",
77 "usage: ypwhich [-d domain] [[-t] -m [mname] | host]",
78 " ypwhich -x");
79 exit(ERR_USAGE);
80}
81
82
83/*
84 * Like yp_bind except can query a specific host
85 */
86int
87bind_host(dom, sin)
88char *dom;
89struct sockaddr_in *sin;
90{
91 struct hostent *hent = NULL;
92 struct ypbind_resp ypbr;
93 struct timeval tv;
94 CLIENT *client;
95 int sock, r;
96 struct in_addr ss_addr;
97
98 sock = RPC_ANYSOCK;
99 tv.tv_sec = 15;
100 tv.tv_usec = 0;
101 client = clntudp_create(sin, YPBINDPROG, YPBINDVERS, tv, &sock);
102 if (client == NULL) {
103 warnx("can't clntudp_create: %s", yperr_string(YPERR_YPBIND));
104 return (YPERR_YPBIND);
105 }
106
107 tv.tv_sec = 5;
108 tv.tv_usec = 0;
109 r = clnt_call(client, YPBINDPROC_DOMAIN,
110 xdr_domainname, &dom, xdr_ypbind_resp, &ypbr, tv);
111 if (r != RPC_SUCCESS) {
112 warnx("can't clnt_call: %s", yperr_string(YPERR_YPBIND));
113 clnt_destroy(client);
114 return (YPERR_YPBIND);
115 } else {
116 if (ypbr.ypbind_status != YPBIND_SUCC_VAL) {
117 warnx("can't yp_bind: reason: %s",
118 ypbinderr_string(ypbr.ypbind_resp_u.ypbind_error));
119 clnt_destroy(client);
120 return (r);
121 }
122 }
123 clnt_destroy(client);
124
125 ss_addr = *(struct in_addr *)ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr;
126 /*printf("%08x\n", ss_addr);*/
127 hent = gethostbyaddr((char *)&ss_addr, sizeof(ss_addr), AF_INET);
128 if (hent)
129 printf("%s\n", hent->h_name);
130 else
131 printf("%s\n", inet_ntoa(ss_addr));
132 return (0);
133}
134
135int
136main(argc, argv)
137char **argv;
138{
139 char *domainname = NULL, *master, *map = NULL;
140 struct ypmaplist *ypml, *y;
141 struct hostent *hent;
142 struct sockaddr_in sin;
143 int notrans, mode, getmap;
144 int c, r, i;
145
146 getmap = notrans = mode = 0;
147 while ((c = getopt(argc, argv, "xd:mt")) != -1)
148 switch (c) {
149 case 'x':
150 for (i = 0; i<sizeof ypaliases/sizeof ypaliases[0]; i++)
151 printf("\"%s\" is an alias for \"%s\"\n",
152 ypaliases[i].alias,
153 ypaliases[i].name);
154 exit(0);
155 case 'd':
156 domainname = optarg;
157 break;
158 case 't':
159 notrans++;
160 break;
161 case 'm':
162 mode++;
163 break;
164 default:
165 usage();
166 }
167
168 if (!domainname)
169 yp_get_default_domain(&domainname);
170
171 if (mode == 0) {
172 switch (argc-optind) {
173 case 0:
174 bzero(&sin, sizeof sin);
175 sin.sin_family = AF_INET;
176 sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
177
178 if (bind_host(domainname, &sin))
179 exit(ERR_NOBINDING);
180 break;
181 case 1:
182 bzero(&sin, sizeof sin);
183 sin.sin_family = AF_INET;
184 if ((sin.sin_addr.s_addr = inet_addr(argv[optind])) == -1) {
185 hent = gethostbyname(argv[optind]);
186 if (!hent)
187 errx(ERR_NOSUCHHOST, "host %s unknown", argv[optind]);
188 bcopy((char *)hent->h_addr_list[0],
189 (char *)&sin.sin_addr, sizeof sin.sin_addr);
190 }
191 if (bind_host(domainname, &sin))
192 exit(ERR_NOBINDING);
193 break;
194 default:
195 usage();
196 }
197 exit(0);
198 }
199
200 if (argc-optind > 1)
201 usage();
202
203 if (argv[optind]) {
204 map = argv[optind];
205 for (i = 0; (!notrans) && i<sizeof ypaliases/sizeof ypaliases[0]; i++)
206 if (strcmp(map, ypaliases[i].alias) == 0)
207 map = ypaliases[i].name;
208 r = yp_master(domainname, map, &master);
209 switch (r) {
210 case 0:
211 printf("%s\n", master);
212 free(master);
213 break;
214 case YPERR_YPBIND:
215 errx(ERR_NOYPBIND, "not running ypbind");
216 default:
217 errx(ERR_NOMASTER, "can't find master for map %s. reason: %s",
218 map, yperr_string(r));
219 }
220 exit(0);
221 }
222
223 ypml = NULL;
224 r = yp_maplist(domainname, &ypml);
225 switch (r) {
226 case 0:
227 for (y = ypml; y;) {
228 ypml = y;
229 r = yp_master(domainname, ypml->map, &master);
230 switch (r) {
231 case 0:
232 printf("%s %s\n", ypml->map, master);
233 free(master);
234 break;
235 default:
236 warnx("can't find the master of %s: reason: %s",
237 ypml->map, yperr_string(r));
238 break;
239 }
240 y = ypml->next;
241 free(ypml);
242 }
243 break;
244 case YPERR_YPBIND:
245 errx(ERR_NOYPBIND, "not running ypbind");
246 default:
247 errx(ERR_NOMASTER, "can't get map list for domain %s. reason: %s",
248 domainname, yperr_string(r));
249 }
250 exit(0);
251}