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