mirror of
git://git.suckless.org/ubase
synced 2024-12-22 06:40:38 +00:00
54 lines
761 B
C
54 lines
761 B
C
/* See LICENSE file for copyright and license details. */
|
|
#include <sched.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "util.h"
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
eprintf("usage: %s program [args]\n", argv0);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int flags = 0;
|
|
|
|
ARGBEGIN {
|
|
case 'm':
|
|
flags |= CLONE_NEWNS;
|
|
break;
|
|
case 'u':
|
|
flags |= CLONE_NEWUTS;
|
|
break;
|
|
case 'i':
|
|
flags |= CLONE_NEWIPC;
|
|
break;
|
|
case 'n':
|
|
flags |= CLONE_NEWNET;
|
|
break;
|
|
case 'p':
|
|
flags |= CLONE_NEWPID;
|
|
break;
|
|
case 'U':
|
|
flags |= CLONE_NEWUSER;
|
|
break;
|
|
default:
|
|
usage();
|
|
} ARGEND;
|
|
|
|
if (argc < 1)
|
|
usage();
|
|
|
|
if (unshare(flags) < 0)
|
|
eprintf("unshare:");
|
|
|
|
if (execvp(argv[0], argv) < 0)
|
|
eprintf("execvp:");
|
|
|
|
return 0;
|
|
}
|