/* vi: set sw=4 ts=4: */
+
/*
* vlock implementation for busybox
*
* Copyright (C) 2000 by spoon <spoon@ix.netcom.com>
* Written by spoon <spon@ix.netcom.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
/* Shoutz to Michael K. Johnson <johnsonm@redhat.com>, author of the
/* Fixed by Erik Andersen to do passwords the tinylogin way...
* It now works with md5, sha1, etc passwords. */
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/vt.h>
-#include <signal.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/ioctl.h>
-#include <termios.h>
-
#include "busybox.h"
+#include <sys/vt.h>
static struct passwd *pw;
static struct vt_mode ovtm;
static void release_vt(int signo)
{
- if (!o_lock_all)
- ioctl(vfd, VT_RELDISP, 1);
- else
- ioctl(vfd, VT_RELDISP, 0);
+ ioctl(vfd, VT_RELDISP, !o_lock_all);
}
static void acquire_vt(int signo)
tcsetattr(STDIN_FILENO, TCSANOW, &oterm);
}
-extern int vlock_main(int argc, char **argv)
+int vlock_main(int argc, char **argv);
+int vlock_main(int argc, char **argv)
{
sigset_t sig;
struct sigaction sa;
struct vt_mode vtm;
struct termios term;
+ uid_t uid = getuid();
+
+ pw = getpwuid(uid);
+ if (pw == NULL)
+ bb_error_msg_and_die("unknown uid %d", uid);
if (argc > 2) {
bb_show_usage();
}
- o_lock_all = bb_getopt_ulflags (argc, argv, "a");
-
- if((pw = getpwuid(getuid())) == NULL) {
- bb_error_msg_and_die("Unknown uid %d", getuid());
- }
+ o_lock_all = getopt32(argc, argv, "a");
- vfd = bb_xopen(CURRENT_TTY, O_RDWR);
+ vfd = xopen(CURRENT_TTY, O_RDWR);
if (ioctl(vfd, VT_GETMODE, &vtm) < 0) {
bb_perror_msg_and_die("VT_GETMODE");
tcsetattr(STDIN_FILENO, TCSANOW, &term);
do {
- printf("Virtual Console%s locked.\n%s's ", (o_lock_all) ? "s" : "", pw->pw_name);
- fflush(stdout);
- if (correct_password (pw)) {
+ printf("Virtual Console%s locked by %s.\n", (o_lock_all) ? "s" : "", pw->pw_name);
+ if (correct_password(pw)) {
break;
}
bb_do_delay(FAIL_DELAY);
- puts("Password incorrect.");
+ puts("Password incorrect");
} while (1);
restore_terminal();
- return 0;
+ fflush_stdout_and_exit(0);
}
-
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/