1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23*0Sstevel@tonic-gate /* All Rights Reserved */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate /* 27*0Sstevel@tonic-gate * Copyright (c) 1999, by Sun Microsystems, Inc. 28*0Sstevel@tonic-gate * All rights reserved. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate /* 32*0Sstevel@tonic-gate * These routines are based on the standard UNIX stdio popen/pclose 33*0Sstevel@tonic-gate * routines. This version takes an argv[][] argument instead of a string 34*0Sstevel@tonic-gate * to be passed to the shell. The routine execvp() is used to call the 35*0Sstevel@tonic-gate * program, hence the name popenvp() and the argument types. 36*0Sstevel@tonic-gate * 37*0Sstevel@tonic-gate * This routine avoids an extra shell completely, along with not having 38*0Sstevel@tonic-gate * to worry about quoting conventions in strings that have spaces, 39*0Sstevel@tonic-gate * quotes, etc. 40*0Sstevel@tonic-gate */ 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 43*0Sstevel@tonic-gate /*LINTLIBRARY*/ 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate #include "synonyms.h" 46*0Sstevel@tonic-gate #include <sys/types.h> 47*0Sstevel@tonic-gate #include "libmail.h" 48*0Sstevel@tonic-gate #include <signal.h> 49*0Sstevel@tonic-gate #include <unistd.h> 50*0Sstevel@tonic-gate #include <wait.h> 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate pid_t 53*0Sstevel@tonic-gate systemvp(char *file, char **argv, int resetid) 54*0Sstevel@tonic-gate { 55*0Sstevel@tonic-gate int status; 56*0Sstevel@tonic-gate pid_t pid, w; 57*0Sstevel@tonic-gate void (*istat)(int), (*qstat)(int); 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate if ((pid = fork()) == 0) { 60*0Sstevel@tonic-gate if (resetid) { 61*0Sstevel@tonic-gate (void) setgid(getgid()); 62*0Sstevel@tonic-gate (void) setuid(getuid()); 63*0Sstevel@tonic-gate } 64*0Sstevel@tonic-gate (void) execvp(file, argv); 65*0Sstevel@tonic-gate _exit(127); 66*0Sstevel@tonic-gate } 67*0Sstevel@tonic-gate istat = signal(SIGINT, SIG_IGN); 68*0Sstevel@tonic-gate qstat = signal(SIGQUIT, SIG_IGN); 69*0Sstevel@tonic-gate do 70*0Sstevel@tonic-gate w = wait(&status); 71*0Sstevel@tonic-gate while (w != pid && w != (pid_t)-1); 72*0Sstevel@tonic-gate (void) signal(SIGINT, istat); 73*0Sstevel@tonic-gate (void) signal(SIGQUIT, qstat); 74*0Sstevel@tonic-gate return ((w == (pid_t)-1)? w: (pid_t)status); 75*0Sstevel@tonic-gate } 76