d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy/*
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * CDDL HEADER START
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy *
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * The contents of this file are subject to the terms of the
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * Common Development and Distribution License (the "License").
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * You may not use this file except in compliance with the License.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy *
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * or http://www.opensolaris.org/os/licensing.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * See the License for the specific language governing permissions
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * and limitations under the License.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy *
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * When distributing Covered Code, include this CDDL HEADER in each
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * If applicable, add the following below this CDDL HEADER, with the
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * fields enclosed by brackets "[]" replaced with your own identifying
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * information: Portions Copyright [yyyy] [name of copyright owner]
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy *
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * CDDL HEADER END
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy */
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy/*
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy * Use is subject to license terms.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy */
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy#include <stdio.h>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy#include <stdlib.h>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy#include <unistd.h>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy#include <string.h>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy#include <errno.h>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy#include <pwd.h>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy
d33341fb88062a3afe7066acda297c3a1959176aYuri Pankov#define EXECSHELL "/usr/xpg4/bin/sh"
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedyint
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedymain(int argc, char *argv[])
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy{
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy char *plogin = NULL;
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy char cmds[BUFSIZ] = { 0 };
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy char sep[] = " ";
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy struct passwd *ppw = NULL;
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy int i, len;
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy if (argc < 3 || strlen(argv[1]) == 0) {
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy (void) printf("\tUsage: %s <login> <commands> ...\n", argv[0]);
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy return (1);
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy }
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy plogin = argv[1];
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy len = 0;
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy for (i = 2; i < argc; i++) {
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy (void) snprintf(cmds+len, sizeof (cmds)-len,
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy "%s%s", argv[i], sep);
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy len += strlen(argv[i]) + strlen(sep);
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy }
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy if ((ppw = getpwnam(plogin)) == NULL) {
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy perror("getpwnam");
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy return (errno);
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy }
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy if (setgid(ppw->pw_gid) != 0) {
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy perror("setgid");
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy return (errno);
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy }
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy if (setuid(ppw->pw_uid) != 0) {
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy perror("setuid");
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy return (errno);
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy }
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy
d33341fb88062a3afe7066acda297c3a1959176aYuri Pankov if (execl(EXECSHELL, "sh", "-c", cmds, (char *)NULL) != 0) {
d33341fb88062a3afe7066acda297c3a1959176aYuri Pankov perror("execl: " EXECSHELL);
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy return (errno);
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy }
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy return (0);
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy}