17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate * with the License.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate * and limitations under the License.
137c478bd9Sstevel@tonic-gate *
147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate *
207c478bd9Sstevel@tonic-gate * CDDL HEADER END
217c478bd9Sstevel@tonic-gate */
227c478bd9Sstevel@tonic-gate /*
237c478bd9Sstevel@tonic-gate * Copyright 1988 Sun Microsystems, Inc. All rights reserved.
247c478bd9Sstevel@tonic-gate * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
287c478bd9Sstevel@tonic-gate /* All Rights Reserved */
297c478bd9Sstevel@tonic-gate
307c478bd9Sstevel@tonic-gate #include "uucp.h"
317c478bd9Sstevel@tonic-gate
327c478bd9Sstevel@tonic-gate /*
337c478bd9Sstevel@tonic-gate * use shell to execute command with
347c478bd9Sstevel@tonic-gate * fi, fo, and fe as standard input/output/error
357c478bd9Sstevel@tonic-gate * cmd -> command to execute
367c478bd9Sstevel@tonic-gate * fi -> standard input
377c478bd9Sstevel@tonic-gate * fo -> standard output
387c478bd9Sstevel@tonic-gate * fe -> standard error
397c478bd9Sstevel@tonic-gate * return:
40*2a8bcb4eSToomas Soome * 0 -> success
417c478bd9Sstevel@tonic-gate * non zero -> failure - status from child
427c478bd9Sstevel@tonic-gate (Note - -1 means the fork failed)
437c478bd9Sstevel@tonic-gate */
447c478bd9Sstevel@tonic-gate int
shio(cmd,fi,fo,fe)457c478bd9Sstevel@tonic-gate shio(cmd, fi, fo, fe)
467c478bd9Sstevel@tonic-gate char *cmd, *fi, *fo, *fe;
477c478bd9Sstevel@tonic-gate {
487c478bd9Sstevel@tonic-gate register pid_t pid, ret;
497c478bd9Sstevel@tonic-gate int status;
507c478bd9Sstevel@tonic-gate
517c478bd9Sstevel@tonic-gate if (fi == NULL)
527c478bd9Sstevel@tonic-gate fi = "/dev/null";
537c478bd9Sstevel@tonic-gate if (fo == NULL)
547c478bd9Sstevel@tonic-gate fo = "/dev/null";
557c478bd9Sstevel@tonic-gate if (fe == NULL)
567c478bd9Sstevel@tonic-gate fe = "/dev/null";
577c478bd9Sstevel@tonic-gate
587c478bd9Sstevel@tonic-gate DEBUG(3, "shio - %s\n", cmd);
597c478bd9Sstevel@tonic-gate if ((pid = fork()) == 0) {
607c478bd9Sstevel@tonic-gate (void) signal(SIGINT, SIG_IGN);
617c478bd9Sstevel@tonic-gate (void) signal(SIGHUP, SIG_IGN);
627c478bd9Sstevel@tonic-gate (void) signal(SIGQUIT, SIG_IGN);
637c478bd9Sstevel@tonic-gate ucloselog();
647c478bd9Sstevel@tonic-gate (void) close(Ifn); /* close connection fd's */
657c478bd9Sstevel@tonic-gate (void) close(Ofn);
667c478bd9Sstevel@tonic-gate (void) close(0); /* get stdin from file fi */
677c478bd9Sstevel@tonic-gate if (open(fi, 0) != 0)
687c478bd9Sstevel@tonic-gate exit(errno);
697c478bd9Sstevel@tonic-gate (void) close(1); /* divert stdout to fo */
707c478bd9Sstevel@tonic-gate if (creat(fo, PUB_FILEMODE) != 1)
717c478bd9Sstevel@tonic-gate exit(errno);
727c478bd9Sstevel@tonic-gate (void) close(2); /* divert stderr to fe */
737c478bd9Sstevel@tonic-gate if (creat(fe, PUB_FILEMODE) != 2)
747c478bd9Sstevel@tonic-gate exit(errno);
757c478bd9Sstevel@tonic-gate (void) execle(SHELL, "sh", "-c", cmd, (char *) 0, Env);
767c478bd9Sstevel@tonic-gate exit(100);
777c478bd9Sstevel@tonic-gate }
787c478bd9Sstevel@tonic-gate
797c478bd9Sstevel@tonic-gate /*
807c478bd9Sstevel@tonic-gate * the status returned from wait can never be -1
817c478bd9Sstevel@tonic-gate * see man page wait(2)
827c478bd9Sstevel@tonic-gate * So we use the -1 value to indicate fork failed
837c478bd9Sstevel@tonic-gate * or the wait failed.
847c478bd9Sstevel@tonic-gate */
857c478bd9Sstevel@tonic-gate if (pid == -1)
867c478bd9Sstevel@tonic-gate return(-1);
87*2a8bcb4eSToomas Soome
887c478bd9Sstevel@tonic-gate while ((ret = wait(&status)) != pid)
897c478bd9Sstevel@tonic-gate if (ret == -1 && errno != EINTR)
907c478bd9Sstevel@tonic-gate return(-1);
917c478bd9Sstevel@tonic-gate DEBUG(3, "status %d\n", status);
927c478bd9Sstevel@tonic-gate return(status);
937c478bd9Sstevel@tonic-gate }
94