usr/src/cmd/bnu/xqt.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 1988 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28 /*        All Rights Reserved   */
  29 /*
  30  * Copyright (c) 2016 by Delphix. All rights reserved.
  31  */
  32
  33
  34 #pragma ident   "%Z%%M% %I%     %E% SMI"
  35
  36 #include "uucp.h"
  37
  38 static void euucico();
  39
  40 /*
  41  * start up uucico for rmtname
  42  * return:
  43  *      none
  44  */
  45 void
  46 xuucico(rmtname)
  47 char *rmtname;
  48 {
  49         /*
  50          * start uucico for rmtname system
  51          */
  52         if (fork() == 0) {      /* can't vfork() */
  53                 /*
  54                  * hide the uid of the initiator of this job so that it
  55                  * doesn't get notified about things that don't concern it.
  56                  */
  57                 (void) setuid(geteuid());
  58                 euucico(rmtname);
  59         }
  60         return;
  61 }
  62
  63 static void
  64 euucico(rmtname)
  65 char    *rmtname;
  66 {
  67         char opt[100];
  68
  69         (void) close(0);
  70         (void) close(1);
  71         (void) close(2);
  72         (void) open("/dev/null", 0);
  73         (void) open("/dev/null", 1);
  74         (void) open("/dev/null", 1);
  75         (void) signal(SIGINT, SIG_IGN);
  76         (void) signal(SIGHUP, SIG_IGN);
  77         (void) signal(SIGQUIT, SIG_IGN);
  78         ucloselog();
  79         if (rmtname[0] != '\0')
  80                 (void) sprintf(opt, "-s%s", rmtname);
  81         else
  82                 opt[0] = '\0';
  83         (void) execle(UUCICO, "UUCICO", "-r1", opt, (char *) 0, Env);
  84         exit(100);
  85 }
  86
  87
  88 /*
  89  * start up uuxqt
  90  * return:
  91  *      none
  92  */
  93 void
  94 xuuxqt(rmtname)
  95 char    *rmtname;
  96 {
  97         char    opt[100];
  98         register int i, maxfiles;
  99
 100         if (rmtname && rmtname[0] != '\0')
 101                 (void) sprintf(opt, "-s%s", rmtname);
 102         else
 103                 opt[0] = '\0';
 104         /*
 105          * start uuxqt
 106          */
 107         if (vfork() == 0) {
 108                 (void) close(0);
 109                 (void) close(1);
 110                 (void) close(2);
 111                 (void) open("/dev/null", 2);
 112                 (void) open("/dev/null", 2);
 113                 (void) open("/dev/null", 2);
 114                 (void) signal(SIGINT, SIG_IGN);
 115                 (void) signal(SIGHUP, SIG_IGN);
 116                 (void) signal(SIGQUIT, SIG_IGN);
 117                 ucloselog();
 118 #ifdef ATTSVR3
 119                 maxfiles = ulimit(4, 0);
 120 #else /* !ATTSVR3 */
 121 #ifdef BSD4_2
 122                 maxfiles = getdtablesize();
 123 #else /* BSD4_2 */
 124                 maxfiles = NOFILE;
 125 #endif /* BSD4_2 */
 126 #endif /* ATTSVR3 */
 127                 for (i = 3; i < maxfiles; i++)
 128                         (void) close(i);
 129                 /*
 130                  * hide the uid of the initiator of this job so that it
 131                  * doesn't get notified about things that don't concern it.
 132                  */
 133                 (void) setuid(geteuid());
 134                 (void) execle(UUXQT, "UUXQT", opt, (char *) 0, Env);
 135                 _exit(100);
 136         }
 137         return;
 138 }