10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*6812Sraf * Common Development and Distribution License (the "License"). 6*6812Sraf * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 211219Sraf 22*6812Sraf /* 23*6812Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24*6812Sraf * Use is subject to license terms. 25*6812Sraf */ 26*6812Sraf 270Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 280Sstevel@tonic-gate /* All Rights Reserved */ 290Sstevel@tonic-gate 300Sstevel@tonic-gate /* 310Sstevel@tonic-gate * These routines are based on the standard UNIX stdio popen/pclose 320Sstevel@tonic-gate * routines. This version takes an argv[][] argument instead of a string 330Sstevel@tonic-gate * to be passed to the shell. The routine execvp() is used to call the 340Sstevel@tonic-gate * program, hence the name popenvp() and the argument types. 350Sstevel@tonic-gate * 360Sstevel@tonic-gate * This routine avoids an extra shell completely, along with not having 370Sstevel@tonic-gate * to worry about quoting conventions in strings that have spaces, 380Sstevel@tonic-gate * quotes, etc. 390Sstevel@tonic-gate */ 400Sstevel@tonic-gate 410Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 420Sstevel@tonic-gate 430Sstevel@tonic-gate #include <sys/types.h> 440Sstevel@tonic-gate #include "libmail.h" 450Sstevel@tonic-gate #include <signal.h> 460Sstevel@tonic-gate #include <unistd.h> 470Sstevel@tonic-gate #include <wait.h> 480Sstevel@tonic-gate 490Sstevel@tonic-gate pid_t 500Sstevel@tonic-gate systemvp(char *file, char **argv, int resetid) 510Sstevel@tonic-gate { 520Sstevel@tonic-gate int status; 530Sstevel@tonic-gate pid_t pid, w; 540Sstevel@tonic-gate void (*istat)(int), (*qstat)(int); 550Sstevel@tonic-gate 560Sstevel@tonic-gate if ((pid = fork()) == 0) { 570Sstevel@tonic-gate if (resetid) { 580Sstevel@tonic-gate (void) setgid(getgid()); 590Sstevel@tonic-gate (void) setuid(getuid()); 600Sstevel@tonic-gate } 610Sstevel@tonic-gate (void) execvp(file, argv); 620Sstevel@tonic-gate _exit(127); 630Sstevel@tonic-gate } 640Sstevel@tonic-gate istat = signal(SIGINT, SIG_IGN); 650Sstevel@tonic-gate qstat = signal(SIGQUIT, SIG_IGN); 66*6812Sraf do { 670Sstevel@tonic-gate w = wait(&status); 68*6812Sraf } while (w != pid && w != (pid_t)-1); 690Sstevel@tonic-gate (void) signal(SIGINT, istat); 700Sstevel@tonic-gate (void) signal(SIGQUIT, qstat); 710Sstevel@tonic-gate return ((w == (pid_t)-1)? w: (pid_t)status); 720Sstevel@tonic-gate } 73