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  * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.0 (the 'License').  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License."
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /*      $OpenBSD: rpc.yppasswdd.c,v 1.9 1997/08/19 07:00:51 niklas Exp $        */
  25
  26 /*
  27  * Copyright (c) 1994 Mats O Jansson <moj@stacken.kth.se>
  28  * All rights reserved.
  29  *
  30  * Redistribution and use in source and binary forms, with or without
  31  * modification, are permitted provided that the following conditions
  32  * are met:
  33  * 1. Redistributions of source code must retain the above copyright
  34  *    notice, this list of conditions and the following disclaimer.
  35  * 2. Redistributions in binary form must reproduce the above copyright
  36  *    notice, this list of conditions and the following disclaimer in the
  37  *    documentation and/or other materials provided with the distribution.
  38  * 3. All advertising materials mentioning features or use of this software
  39  *    must display the following acknowledgement:
  40  *      This product includes software developed by Mats O Jansson
  41  * 4. The name of the author may not be used to endorse or promote products
  42  *    derived from this software without specific prior written permission.
  43  *
  44  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  45  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  46  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  47  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  48  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  49  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  50  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  51  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  52  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  53  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  54  * SUCH DAMAGE.
  55  */
  56
  57 #ifndef LINT
  58 static char rcsid[] = "$OpenBSD: rpc.yppasswdd.c,v 1.9 1997/08/19 07:00:51 niklas Exp $";
  59 #endif
  60
  61 #include <sys/types.h>
  62 #include <sys/wait.h>
  63
  64 #include <signal.h>
  65 #include <stdio.h>
  66 #include <unistd.h>
  67 #include <stdlib.h>
  68 #include <errno.h>
  69 #include <string.h>
  70 #include <pwd.h>
  71 #include <util.h>
  72
  73 #include <rpc/rpc.h>
  74 #include <rpc/pmap_clnt.h>
  75
  76 #include "yppasswd.h"
  77
  78 static void yppasswddprog_1();
  79 void    sig_child();
  80
  81 int     noshell, nogecos, nopw, domake;
  82 char    make_arg[1024] = "make";
  83 char   *progname = "yppasswdd";
  84 char   *tempname;
  85 int     debug = 0;
  86
  87 void
  88 usage()
  89 {
  90         fprintf(stderr, "%s%s",
  91             "usage: rpc.yppasswdd ",
  92             "[-d] [-noshell] [-nogecos] [-nopw] [-m arg1 arg2 ... ]\n");
  93         exit(1);
  94 }
  95
  96 int
  97 main(argc, argv)
  98         int     argc;
  99         char   *argv[];
 100 {
 101         SVCXPRT *transp;
 102         int     i = 1;
 103
 104         while (i < argc) {
 105                 if (argv[i][0] == '-') {
 106                         if (strcmp("-noshell", argv[i]) == 0) {
 107                                 noshell = 1;
 108                         } else if (strcmp("-nogecos", argv[i]) == 0) {
 109                                 nogecos = 1;
 110                         } else if (strcmp("-nopw", argv[i]) == 0) {
 111                                 nopw = 1;
 112                         } else if (strcmp("-m", argv[i]) == 0) {
 113                                 domake = 1;
 114                                 while (i < argc) {
 115                                         strcat(make_arg, " ");
 116                                         strcat(make_arg, argv[i]);
 117                                         i++;
 118                                 }
 119                         } else if (strcmp("-d", argv[i]) == 0) {
 120                                 debug = 1;
 121                         } else
 122                                 usage();
 123                         i++;
 124                 } else
 125                         usage();
 126         }
 127
 128         if (debug == 0) {
 129                 (void) daemon(0, 0);
 130         }
 131         chdir("/etc");
 132
 133 /*
 134         freopen("/dev/null", "r", stdin);
 135         freopen("/var/yp/stderr", "w", stderr);
 136         freopen("/var/yp/stdout", "w", stdout);
 137 */
 138         (void) pmap_unset(YPPASSWDPROG, YPPASSWDVERS);
 139
 140         (void) signal(SIGCHLD, sig_child);
 141
 142         transp = svcudp_create(RPC_ANYSOCK);
 143         if (transp == NULL) {
 144                 (void) fprintf(stderr, "cannot create udp service.\n");
 145                 exit(1);
 146         }
 147         if (!svc_register(transp, YPPASSWDPROG, YPPASSWDVERS, yppasswddprog_1,
 148             IPPROTO_UDP)) {
 149                 fprintf(stderr, "unable to register YPPASSWDPROG, YPPASSWDVERS, udp\n");
 150                 exit(1);
 151         }
 152         transp = svctcp_create(RPC_ANYSOCK, 0, 0);
 153         if (transp == NULL) {
 154                 (void) fprintf(stderr, "cannot create tcp service.\n");
 155                 exit(1);
 156         }
 157         if (!svc_register(transp, YPPASSWDPROG, YPPASSWDVERS, yppasswddprog_1,
 158             IPPROTO_TCP)) {
 159                 fprintf(stderr, "unable to register YPPASSWDPROG, YPPASSWDVERS, tcp\n");
 160                 exit(1);
 161         }
 162         svc_run();
 163         (void) fprintf(stderr, "svc_run returned\n");
 164         exit(1);
 165 }
 166
 167 static void
 168 yppasswddprog_1(rqstp, transp)
 169         struct svc_req *rqstp;
 170         SVCXPRT *transp;
 171 {
 172         union {
 173                 yppasswd yppasswdproc_update_1_arg;
 174         }       argument;
 175         char   *result;
 176         bool_t(*xdr_argument) (), (*xdr_result) ();
 177         char   *(*local) ();
 178
 179         switch (rqstp->rq_proc) {
 180         case NULLPROC:
 181                 (void) svc_sendreply(transp, xdr_void, (char *) NULL);
 182                 return;
 183         case YPPASSWDPROC_UPDATE:
 184                 xdr_argument = xdr_yppasswd;
 185                 xdr_result = xdr_int;
 186                 local = (char *(*) ()) yppasswdproc_update_1_svc;
 187                 break;
 188         default:
 189                 svcerr_noproc(transp);
 190                 return;
 191         }
 192         bzero((char *) &argument, sizeof(argument));
 193         if (!svc_getargs(transp, xdr_argument, (caddr_t) & argument)) {
 194                 svcerr_decode(transp);
 195                 return;
 196         }
 197         result = (*local) (&argument, rqstp, transp);
 198 }
 199
 200 void
 201 sig_child()
 202 {
 203         int save_errno = errno;
 204
 205         while (wait3((int *) NULL, WNOHANG, (struct rusage *) NULL) > 0)
 206                 ;
 207         errno = save_errno;
 208 }