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
29 * $FreeBSD: src/usr.bin/ypwhich/ypwhich.c,v 1.16 2004/04/04 19:17:38 charnier Exp $
30 * $DragonFly: src/usr.bin/ypwhich/ypwhich.c,v 1.3 2003/10/04 20:36:55 hmp Exp $
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 { "group", "group.byname" },
68 { "networks", "networks.byaddr" },
69 { "hosts", "hosts.byaddr" },
70 { "protocols", "protocols.bynumber" },
71 { "services", "services.byname" },
72 { "aliases", "mail.aliases" },
73 { "ethers", "ethers.byname" },
79 fprintf(stderr
, "%s\n%s\n",
80 "usage: ypwhich [-d domain] [[-t] -m [mname] | host]",
87 * Like yp_bind except can query a specific host
90 bind_host(char *dom
, struct sockaddr_in
*lsin
)
92 struct hostent
*hent
= NULL
;
93 struct ypbind_resp ypbr
;
97 struct in_addr ss_addr
;
102 client
= clntudp_create(lsin
, YPBINDPROG
, YPBINDVERS
, tv
, &sock
);
103 if (client
== NULL
) {
104 warnx("can't clntudp_create: %s", yperr_string(YPERR_YPBIND
));
105 return (YPERR_YPBIND
);
110 r
= clnt_call(client
, YPBINDPROC_DOMAIN
,
111 (xdrproc_t
)xdr_domainname
, &dom
,
112 (xdrproc_t
)xdr_ypbind_resp
, &ypbr
, tv
);
113 if (r
!= RPC_SUCCESS
) {
114 warnx("can't clnt_call: %s", yperr_string(YPERR_YPBIND
));
115 clnt_destroy(client
);
116 return (YPERR_YPBIND
);
118 if (ypbr
.ypbind_status
!= YPBIND_SUCC_VAL
) {
119 warnx("can't yp_bind: reason: %s",
120 ypbinderr_string(ypbr
.ypbind_respbody
.ypbind_error
));
121 clnt_destroy(client
);
125 clnt_destroy(client
);
127 ss_addr
= ypbr
.ypbind_respbody
.ypbind_bindinfo
.ypbind_binding_addr
;
128 /*printf("%08x\n", ss_addr);*/
129 hent
= gethostbyaddr(&ss_addr
, sizeof(ss_addr
), AF_INET
);
131 printf("%s\n", hent
->h_name
);
133 printf("%s\n", inet_ntoa(ss_addr
));
138 main(int argc
, char **argv
)
140 char *domnam
= NULL
, *master
;
142 struct ypmaplist
*ypml
, *y
;
143 struct hostent
*hent
;
144 struct sockaddr_in lsin
;
145 int notrans
, mode
, getmap
;
149 getmap
= notrans
= mode
= 0;
150 while ((c
= getopt(argc
, argv
, "xd:mt")) != -1)
153 for (i
= 0; i
<sizeof ypaliases
/sizeof ypaliases
[0]; i
++)
154 printf("\"%s\" is an alias for \"%s\"\n",
172 yp_get_default_domain(&domnam
);
175 switch (argc
-optind
) {
177 bzero(&lsin
, sizeof lsin
);
178 lsin
.sin_family
= AF_INET
;
179 lsin
.sin_addr
.s_addr
= htonl(INADDR_LOOPBACK
);
181 if (bind_host(domnam
, &lsin
))
185 bzero(&lsin
, sizeof lsin
);
186 lsin
.sin_family
= AF_INET
;
187 if ((lsin
.sin_addr
.s_addr
= inet_addr(argv
[optind
])) == INADDR_NONE
) {
188 hent
= gethostbyname(argv
[optind
]);
190 errx(ERR_NOSUCHHOST
, "host %s unknown", argv
[optind
]);
191 bcopy((char *)hent
->h_addr_list
[0],
192 (char *)&lsin
.sin_addr
, sizeof lsin
.sin_addr
);
194 if (bind_host(domnam
, &lsin
))
208 for (i
= 0; (!notrans
) && i
<sizeof ypaliases
/sizeof ypaliases
[0]; i
++)
209 if (strcmp(map
, ypaliases
[i
].alias
) == 0)
210 map
= ypaliases
[i
].name
;
211 r
= yp_master(domnam
, map
, &master
);
214 printf("%s\n", master
);
218 errx(ERR_NOYPBIND
, "not running ypbind");
220 errx(ERR_NOMASTER
, "can't find master for map %s: reason: %s",
221 map
, yperr_string(r
));
227 r
= yp_maplist(domnam
, &ypml
);
232 r
= yp_master(domnam
, ypml
->ypml_name
, &master
);
235 printf("%s %s\n", ypml
->ypml_name
, master
);
239 warnx("can't find the master of %s: reason: %s",
240 ypml
->ypml_name
, yperr_string(r
));
248 errx(ERR_NOYPBIND
, "not running ypbind");
250 errx(ERR_NOMASTER
, "can't get map list for domain %s: reason: %s",
251 domnam
, yperr_string(r
));