rpc_yppasswdd.tproj/rpc.yppasswdd.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*      $OpenBSD: rpc.yppasswdd.c,v 1.9 1997/08/19 07:00:51 niklas Exp $        */
  26
  27 /*
  28  * Copyright (c) 1994 Mats O Jansson <moj@stacken.kth.se>
  29  * All rights reserved.
  30  *
  31  * Redistribution and use in source and binary forms, with or without
  32  * modification, are permitted provided that the following conditions
  33  * are met:
  34  * 1. Redistributions of source code must retain the above copyright
  35  *    notice, this list of conditions and the following disclaimer.
  36  * 2. Redistributions in binary form must reproduce the above copyright
  37  *    notice, this list of conditions and the following disclaimer in the
  38  *    documentation and/or other materials provided with the distribution.
  39  * 3. All advertising materials mentioning features or use of this software
  40  *    must display the following acknowledgement:
  41  *      This product includes software developed by Mats O Jansson
  42  * 4. The name of the author may not be used to endorse or promote products
  43  *    derived from this software without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  46  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  47  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  48  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  49  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  50  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  51  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  53  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  54  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  55  * SUCH DAMAGE.
  56  */
  57
  58 #ifndef LINT
  59 static char rcsid[] = "$OpenBSD: rpc.yppasswdd.c,v 1.9 1997/08/19 07:00:51 niklas Exp $";
  60 #endif
  61
  62 #include <sys/types.h>
  63 #include <sys/wait.h>
  64
  65 #include <signal.h>
  66 #include <stdio.h>
  67 #include <unistd.h>
  68 #include <stdlib.h>
  69 #include <errno.h>
  70 #include <string.h>
  71 #include <pwd.h>
  72 #include <util.h>
  73
  74 #include <rpc/rpc.h>
  75 #include <rpc/pmap_clnt.h>
  76
  77 #include "yppasswd.h"
  78
  79 static void yppasswddprog_1();
  80 void    sig_child();
  81
  82 int     noshell, nogecos, nopw, domake;
  83 char    make_arg[1024] = "make";
  84 char   *progname = "yppasswdd";
  85 char   *tempname;
  86 int     debug = 0;
  87
  88 void
  89 usage()
  90 {
  91         fprintf(stderr, "%s%s",
  92             "usage: rpc.yppasswdd ",
  93             "[-d] [-noshell] [-nogecos] [-nopw] [-m arg1 arg2 ... ]\n");
  94         exit(1);
  95 }
  96
  97 int
  98 main(argc, argv)
  99         int     argc;
 100         char   *argv[];
 101 {
 102         SVCXPRT *transp;
 103         int     i = 1;
 104
 105         while (i < argc) {
 106                 if (argv[i][0] == '-') {
 107                         if (strcmp("-noshell", argv[i]) == 0) {
 108                                 noshell = 1;
 109                         } else if (strcmp("-nogecos", argv[i]) == 0) {
 110                                 nogecos = 1;
 111                         } else if (strcmp("-nopw", argv[i]) == 0) {
 112                                 nopw = 1;
 113                         } else if (strcmp("-m", argv[i]) == 0) {
 114                                 domake = 1;
 115                                 while (i < argc) {
 116                                         strcat(make_arg, " ");
 117                                         strcat(make_arg, argv[i]);
 118                                         i++;
 119                                 }
 120                         } else if (strcmp("-d", argv[i]) == 0) {
 121                                 debug = 1;
 122                         } else
 123                                 usage();
 124                         i++;
 125                 } else
 126                         usage();
 127         }
 128
 129         if (debug == 0) {
 130                 (void) daemon(0, 0);
 131         }
 132         chdir("/etc");
 133
 134 /*
 135         freopen("/dev/null", "r", stdin);
 136         freopen("/var/yp/stderr", "w", stderr);
 137         freopen("/var/yp/stdout", "w", stdout);
 138 */
 139         (void) pmap_unset(YPPASSWDPROG, YPPASSWDVERS);
 140
 141         (void) signal(SIGCHLD, sig_child);
 142
 143         transp = svcudp_create(RPC_ANYSOCK);
 144         if (transp == NULL) {
 145                 (void) fprintf(stderr, "cannot create udp service.\n");
 146                 exit(1);
 147         }
 148         if (!svc_register(transp, YPPASSWDPROG, YPPASSWDVERS, yppasswddprog_1,
 149             IPPROTO_UDP)) {
 150                 fprintf(stderr, "unable to register YPPASSWDPROG, YPPASSWDVERS, udp\n");
 151                 exit(1);
 152         }
 153         transp = svctcp_create(RPC_ANYSOCK, 0, 0);
 154         if (transp == NULL) {
 155                 (void) fprintf(stderr, "cannot create tcp service.\n");
 156                 exit(1);
 157         }
 158         if (!svc_register(transp, YPPASSWDPROG, YPPASSWDVERS, yppasswddprog_1,
 159             IPPROTO_TCP)) {
 160                 fprintf(stderr, "unable to register YPPASSWDPROG, YPPASSWDVERS, tcp\n");
 161                 exit(1);
 162         }
 163         svc_run();
 164         (void) fprintf(stderr, "svc_run returned\n");
 165         exit(1);
 166 }
 167
 168 static void
 169 yppasswddprog_1(rqstp, transp)
 170         struct svc_req *rqstp;
 171         SVCXPRT *transp;
 172 {
 173         union {
 174                 yppasswd yppasswdproc_update_1_arg;
 175         }       argument;
 176         char   *result;
 177         bool_t(*xdr_argument) (), (*xdr_result) ();
 178         char   *(*local) ();
 179
 180         switch (rqstp->rq_proc) {
 181         case NULLPROC:
 182                 (void) svc_sendreply(transp, xdr_void, (char *) NULL);
 183                 return;
 184         case YPPASSWDPROC_UPDATE:
 185                 xdr_argument = xdr_yppasswd;
 186                 xdr_result = xdr_int;
 187                 local = (char *(*) ()) yppasswdproc_update_1_svc;
 188                 break;
 189         default:
 190                 svcerr_noproc(transp);
 191                 return;
 192         }
 193         bzero((char *) &argument, sizeof(argument));
 194         if (!svc_getargs(transp, xdr_argument, (caddr_t) & argument)) {
 195                 svcerr_decode(transp);
 196                 return;
 197         }
 198         result = (*local) (&argument, rqstp, transp);
 199 }
 200
 201 void
 202 sig_child()
 203 {
 204         int save_errno = errno;
 205
 206         while (wait3((int *) NULL, WNOHANG, (struct rusage *) NULL) > 0)
 207                 ;
 208         errno = save_errno;
 209 }