1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 1988 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate 31*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 32*7c478bd9Sstevel@tonic-gate 33*7c478bd9Sstevel@tonic-gate #include "uucp.h" 34*7c478bd9Sstevel@tonic-gate 35*7c478bd9Sstevel@tonic-gate /* 36*7c478bd9Sstevel@tonic-gate * use shell to execute command with 37*7c478bd9Sstevel@tonic-gate * fi, fo, and fe as standard input/output/error 38*7c478bd9Sstevel@tonic-gate * cmd -> command to execute 39*7c478bd9Sstevel@tonic-gate * fi -> standard input 40*7c478bd9Sstevel@tonic-gate * fo -> standard output 41*7c478bd9Sstevel@tonic-gate * fe -> standard error 42*7c478bd9Sstevel@tonic-gate * return: 43*7c478bd9Sstevel@tonic-gate * 0 -> success 44*7c478bd9Sstevel@tonic-gate * non zero -> failure - status from child 45*7c478bd9Sstevel@tonic-gate (Note - -1 means the fork failed) 46*7c478bd9Sstevel@tonic-gate */ 47*7c478bd9Sstevel@tonic-gate int 48*7c478bd9Sstevel@tonic-gate shio(cmd, fi, fo, fe) 49*7c478bd9Sstevel@tonic-gate char *cmd, *fi, *fo, *fe; 50*7c478bd9Sstevel@tonic-gate { 51*7c478bd9Sstevel@tonic-gate register pid_t pid, ret; 52*7c478bd9Sstevel@tonic-gate int status; 53*7c478bd9Sstevel@tonic-gate 54*7c478bd9Sstevel@tonic-gate if (fi == NULL) 55*7c478bd9Sstevel@tonic-gate fi = "/dev/null"; 56*7c478bd9Sstevel@tonic-gate if (fo == NULL) 57*7c478bd9Sstevel@tonic-gate fo = "/dev/null"; 58*7c478bd9Sstevel@tonic-gate if (fe == NULL) 59*7c478bd9Sstevel@tonic-gate fe = "/dev/null"; 60*7c478bd9Sstevel@tonic-gate 61*7c478bd9Sstevel@tonic-gate DEBUG(3, "shio - %s\n", cmd); 62*7c478bd9Sstevel@tonic-gate if ((pid = fork()) == 0) { 63*7c478bd9Sstevel@tonic-gate (void) signal(SIGINT, SIG_IGN); 64*7c478bd9Sstevel@tonic-gate (void) signal(SIGHUP, SIG_IGN); 65*7c478bd9Sstevel@tonic-gate (void) signal(SIGQUIT, SIG_IGN); 66*7c478bd9Sstevel@tonic-gate ucloselog(); 67*7c478bd9Sstevel@tonic-gate (void) close(Ifn); /* close connection fd's */ 68*7c478bd9Sstevel@tonic-gate (void) close(Ofn); 69*7c478bd9Sstevel@tonic-gate (void) close(0); /* get stdin from file fi */ 70*7c478bd9Sstevel@tonic-gate if (open(fi, 0) != 0) 71*7c478bd9Sstevel@tonic-gate exit(errno); 72*7c478bd9Sstevel@tonic-gate (void) close(1); /* divert stdout to fo */ 73*7c478bd9Sstevel@tonic-gate if (creat(fo, PUB_FILEMODE) != 1) 74*7c478bd9Sstevel@tonic-gate exit(errno); 75*7c478bd9Sstevel@tonic-gate (void) close(2); /* divert stderr to fe */ 76*7c478bd9Sstevel@tonic-gate if (creat(fe, PUB_FILEMODE) != 2) 77*7c478bd9Sstevel@tonic-gate exit(errno); 78*7c478bd9Sstevel@tonic-gate (void) execle(SHELL, "sh", "-c", cmd, (char *) 0, Env); 79*7c478bd9Sstevel@tonic-gate exit(100); 80*7c478bd9Sstevel@tonic-gate } 81*7c478bd9Sstevel@tonic-gate 82*7c478bd9Sstevel@tonic-gate /* 83*7c478bd9Sstevel@tonic-gate * the status returned from wait can never be -1 84*7c478bd9Sstevel@tonic-gate * see man page wait(2) 85*7c478bd9Sstevel@tonic-gate * So we use the -1 value to indicate fork failed 86*7c478bd9Sstevel@tonic-gate * or the wait failed. 87*7c478bd9Sstevel@tonic-gate */ 88*7c478bd9Sstevel@tonic-gate if (pid == -1) 89*7c478bd9Sstevel@tonic-gate return(-1); 90*7c478bd9Sstevel@tonic-gate 91*7c478bd9Sstevel@tonic-gate while ((ret = wait(&status)) != pid) 92*7c478bd9Sstevel@tonic-gate if (ret == -1 && errno != EINTR) 93*7c478bd9Sstevel@tonic-gate return(-1); 94*7c478bd9Sstevel@tonic-gate DEBUG(3, "status %d\n", status); 95*7c478bd9Sstevel@tonic-gate return(status); 96*7c478bd9Sstevel@tonic-gate } 97