rpc.yppasswdd.c revision 1.4 1 1.4 ad /* $NetBSD: rpc.yppasswdd.c,v 1.4 2000/08/03 08:22:33 ad Exp $ */
2 1.1 thorpej
3 1.1 thorpej /*
4 1.1 thorpej * Copyright (c) 1994 Mats O Jansson <moj (at) stacken.kth.se>
5 1.1 thorpej * All rights reserved.
6 1.1 thorpej *
7 1.1 thorpej * Redistribution and use in source and binary forms, with or without
8 1.1 thorpej * modification, are permitted provided that the following conditions
9 1.1 thorpej * are met:
10 1.1 thorpej * 1. Redistributions of source code must retain the above copyright
11 1.1 thorpej * notice, this list of conditions and the following disclaimer.
12 1.1 thorpej * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 thorpej * notice, this list of conditions and the following disclaimer in the
14 1.1 thorpej * documentation and/or other materials provided with the distribution.
15 1.1 thorpej * 3. All advertising materials mentioning features or use of this software
16 1.1 thorpej * must display the following acknowledgement:
17 1.1 thorpej * This product includes software developed by Mats O Jansson
18 1.1 thorpej * 4. The name of the author may not be used to endorse or promote products
19 1.1 thorpej * derived from this software without specific prior written permission.
20 1.1 thorpej *
21 1.1 thorpej * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
22 1.1 thorpej * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 1.1 thorpej * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 1.1 thorpej * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
25 1.1 thorpej * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 1.1 thorpej * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 1.1 thorpej * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 1.1 thorpej * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 1.1 thorpej * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 1.1 thorpej * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 1.1 thorpej * SUCH DAMAGE.
32 1.1 thorpej */
33 1.1 thorpej
34 1.4 ad #include <sys/cdefs.h>
35 1.4 ad #ifndef lint
36 1.4 ad __RCSID("$NetBSD: rpc.yppasswdd.c,v 1.4 2000/08/03 08:22:33 ad Exp $");
37 1.4 ad #endif /* not lint */
38 1.4 ad
39 1.1 thorpej #include <sys/types.h>
40 1.1 thorpej #include <sys/wait.h>
41 1.4 ad
42 1.1 thorpej #include <err.h>
43 1.1 thorpej #include <limits.h>
44 1.1 thorpej #include <stdio.h>
45 1.2 thorpej #include <stdlib.h>
46 1.2 thorpej #include <string.h>
47 1.1 thorpej #include <signal.h>
48 1.1 thorpej #include <unistd.h>
49 1.3 thorpej #include <util.h>
50 1.1 thorpej
51 1.1 thorpej #include <rpc/rpc.h>
52 1.1 thorpej #include <rpc/pmap_clnt.h>
53 1.1 thorpej #include <rpcsvc/yppasswd.h>
54 1.1 thorpej
55 1.4 ad #include "extern.h"
56 1.4 ad
57 1.1 thorpej extern char *__progname; /* from crt0.s */
58 1.1 thorpej
59 1.1 thorpej int noshell, nogecos, nopw, domake;
60 1.1 thorpej char make_arg[_POSIX2_LINE_MAX] = "make";
61 1.1 thorpej
62 1.4 ad int main(int, char *[]);
63 1.4 ad void yppasswddprog_1(struct svc_req *, SVCXPRT *);
64 1.4 ad void usage(void);
65 1.1 thorpej
66 1.1 thorpej int
67 1.4 ad main(int argc, char *argv[])
68 1.1 thorpej {
69 1.1 thorpej SVCXPRT *transp;
70 1.1 thorpej int i;
71 1.1 thorpej
72 1.1 thorpej for (i = 1; i < argc; i++) {
73 1.1 thorpej if (argv[i][0] == '-') {
74 1.1 thorpej if (strcmp("-noshell", argv[i]) == 0)
75 1.1 thorpej noshell = 1;
76 1.1 thorpej else if (strcmp("-nogecos", argv[i]) == 0)
77 1.1 thorpej nogecos = 1;
78 1.1 thorpej else if (strcmp("-nopw", argv[i]) == 0)
79 1.1 thorpej nopw = 1;
80 1.1 thorpej else if (strcmp("-m", argv[i]) == 0) {
81 1.1 thorpej domake = 1;
82 1.1 thorpej for (; i < argc; i++) {
83 1.1 thorpej strcat(make_arg, " ");
84 1.1 thorpej strcat(make_arg, argv[i]);
85 1.1 thorpej }
86 1.1 thorpej } else
87 1.1 thorpej usage();
88 1.1 thorpej } else
89 1.1 thorpej usage();
90 1.1 thorpej }
91 1.1 thorpej
92 1.1 thorpej if (daemon(0, 0))
93 1.4 ad err(EXIT_FAILURE, "can't detach");
94 1.3 thorpej pidfile(NULL);
95 1.1 thorpej
96 1.1 thorpej (void) pmap_unset(YPPASSWDPROG, YPPASSWDVERS);
97 1.1 thorpej
98 1.1 thorpej transp = svcudp_create(RPC_ANYSOCK);
99 1.1 thorpej if (transp == NULL)
100 1.4 ad errx(EXIT_FAILURE, "cannot create UDP service");
101 1.1 thorpej
102 1.1 thorpej if (!svc_register(transp, YPPASSWDPROG, YPPASSWDVERS, yppasswddprog_1,
103 1.1 thorpej IPPROTO_UDP))
104 1.4 ad errx(EXIT_FAILURE,
105 1.4 ad "unable to register YPPASSWDPROG/YPPASSWDVERS/UDP");
106 1.1 thorpej
107 1.1 thorpej transp = svctcp_create(RPC_ANYSOCK, 0, 0);
108 1.1 thorpej if (transp == NULL)
109 1.4 ad errx(EXIT_FAILURE, "cannot create TCP service");
110 1.1 thorpej
111 1.1 thorpej if (!svc_register(transp, YPPASSWDPROG, YPPASSWDVERS, yppasswddprog_1,
112 1.1 thorpej IPPROTO_TCP))
113 1.4 ad errx(EXIT_FAILURE,
114 1.4 ad "unable to register YPPASSWDPROG/YPPASSWDVERS/TCP");
115 1.1 thorpej
116 1.1 thorpej svc_run();
117 1.4 ad errx(EXIT_FAILURE, "svc_run returned");
118 1.4 ad /* NOTREACHED */
119 1.1 thorpej }
120 1.1 thorpej
121 1.1 thorpej void
122 1.4 ad yppasswddprog_1(struct svc_req *rqstp, SVCXPRT *transp)
123 1.1 thorpej {
124 1.1 thorpej union {
125 1.1 thorpej yppasswd yppasswdproc_update_1_arg;
126 1.1 thorpej } argument;
127 1.1 thorpej
128 1.1 thorpej switch (rqstp->rq_proc) {
129 1.1 thorpej case NULLPROC:
130 1.1 thorpej (void) svc_sendreply(transp, xdr_void, (char *) NULL);
131 1.1 thorpej return;
132 1.1 thorpej
133 1.1 thorpej case YPPASSWDPROC_UPDATE:
134 1.1 thorpej /*
135 1.1 thorpej * We'd like this to look like a regular RPC
136 1.1 thorpej * stub, but we have to send the reply in the
137 1.1 thorpej * handler in order to avoid both signal race
138 1.1 thorpej * conditions locally and timeouts on the
139 1.1 thorpej * client.
140 1.1 thorpej */
141 1.1 thorpej (void) memset(&argument, 0, sizeof(argument));
142 1.1 thorpej if (!svc_getargs(transp, xdr_yppasswd, (caddr_t) & argument)) {
143 1.1 thorpej svcerr_decode(transp);
144 1.1 thorpej return;
145 1.1 thorpej }
146 1.1 thorpej make_passwd((yppasswd *)&argument, rqstp, transp);
147 1.1 thorpej if (!svc_freeargs(transp, xdr_yppasswd, (caddr_t) &argument))
148 1.4 ad errx(EXIT_FAILURE, "unable to free arguments");
149 1.1 thorpej return;
150 1.1 thorpej }
151 1.1 thorpej
152 1.1 thorpej svcerr_noproc(transp);
153 1.1 thorpej }
154 1.1 thorpej
155 1.1 thorpej void
156 1.4 ad usage(void)
157 1.1 thorpej {
158 1.2 thorpej
159 1.2 thorpej fprintf(stderr, "usage: %s [-noshell] [-nogecos] [-nopw] "
160 1.2 thorpej "[-m arg1 arg2 ...]\n", __progname);
161 1.4 ad exit(EXIT_FAILURE);
162 1.1 thorpej }
163