mirror of
https://github.com/sheumann/hush.git
synced 2024-11-05 06:07:00 +00:00
46 lines
909 B
C
46 lines
909 B
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* openvt.c - open a vt to run a command.
|
|
*
|
|
* busyboxed by Quy Tonthat <quy@signal3.com>
|
|
* hacked by Tito <farmatito@tiscali.it>
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
|
*/
|
|
|
|
/* getopt not needed */
|
|
|
|
#include "busybox.h"
|
|
|
|
int openvt_main(int argc, char **argv)
|
|
{
|
|
int fd;
|
|
char vtname[sizeof(VC_FORMAT) + 2];
|
|
|
|
|
|
if (argc < 3) {
|
|
bb_show_usage();
|
|
}
|
|
/* check for illegal vt number: < 1 or > 63 */
|
|
sprintf(vtname, VC_FORMAT, (int)xatoul_range(argv[1], 1, 63));
|
|
|
|
if (fork() == 0) {
|
|
/* leave current vt */
|
|
if (setsid() < 0) {
|
|
bb_perror_msg_and_die("setsid");
|
|
}
|
|
close(0); /* so that new vt becomes stdin */
|
|
|
|
/* and grab new one */
|
|
fd = xopen(vtname, O_RDWR);
|
|
|
|
/* Reassign stdout and sterr */
|
|
dup2(fd, STDOUT_FILENO);
|
|
dup2(fd, STDERR_FILENO);
|
|
|
|
execvp(argv[2], &argv[2]);
|
|
_exit(1);
|
|
}
|
|
return EXIT_SUCCESS;
|
|
}
|