shadow/libmisc/system.c
nekral-guest 8d136297c4 * NEWS, src/useradd.c, man/useradd.8.xml: add -Z option to map
SELinux user for user's login.
	* NEWS, src/usermod.c, man/usermod.8.xml: Likewise.
	* libmisc/system.c, libmisc/Makefile.am, lib/prototypes.h: Added
	safe_system(). Used to run semanage.
	* lib/prototypes.h, libmisc/copydir.c: Make a
	selinux_file_context() an extern function.
	* libmisc/copydir.c: Reset SELinux to create files with default
	contexts at the end of copy_tree().
	* NEWS, src/userdel.c: Delete the SELinux user mapping for user's
	login.
2009-04-11 15:34:10 +00:00

70 lines
2.2 KiB
C

/*
* Copyright (c) 2009 - , Peter Vrabec
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the copyright holders or contributors may not be used to
* endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <config.h>
#ident "$Id$"
#include <stdio.h>
#include <sys/wait.h>
#include <fcntl.h>
#include "prototypes.h"
#include "defines.h"
int safe_system (const char *command,
const char *argv[],
const char *env[],
int ignore_stderr)
{
int status = -1;
int fd;
pid_t pid;
pid = fork();
if (pid < 0) {
return -1;
}
if (pid) { /* Parent */
waitpid (pid, &status, 0);
return status;
}
fd = open ("/dev/null", O_RDWR);
/* Child */
dup2 (fd, 0); // Close Stdin
if (ignore_stderr) {
dup2 (fd, 2); // Close Stderr
}
execve (command, (char *const *) argv, (char *const *) env);
fprintf (stderr, _("Failed to exec '%s'\n"), argv[0]);
exit (-1);
}