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-rw-r--r--src/securetty.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/src/securetty.c b/src/securetty.c
deleted file mode 100644
index 9ec8e7ef..00000000
--- a/src/securetty.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (c) 2008 Red Hat, Inc. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2,
- * as published by the Free Software Foundation.
- *
- * 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
- *
- */
-
-#include <errno.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <syslog.h>
-#include <unistd.h>
-
-#include <sys/types.h>
-#include <sys/stat.h>
-
-void alarm_handler(int num) {
- return;
-}
-
-int open_and_lock_securetty() {
- int fd;
- struct flock lock;
- struct sigaction act, oldact;
-
- lock.l_type = F_WRLCK;
- lock.l_whence = SEEK_SET;
- lock.l_start = 0;
- lock.l_len = 0;
-
- fd = open("/etc/securetty", O_RDWR);
- if (fd == -1) {
- syslog(LOG_ERR, "Couldn't open /etc/securetty: %s",strerror(errno));
- return -1;
- }
- act.sa_handler = alarm_handler;
- act.sa_flags = 0;
- sigaction(SIGALRM, &act, &oldact);
- alarm(2);
- while (fcntl(fd, F_SETLKW, &lock) == -1) {
- if (errno == EINTR) {
- syslog(LOG_ERR, "Couldn't lock /etc/securetty: Timeout exceeded");
- } else {
- syslog(LOG_ERR, "Couldn't lock /etc/securetty: %s",strerror(errno));
- }
- return -1;
- }
- alarm(0);
- sigaction(SIGALRM, &oldact, NULL);
- return fd;
-}
-
-int rewrite_securetty(char *terminal) {
- int fd;
- char *buf, *pos;
- struct stat sbuf;
-
- fd = open_and_lock_securetty();
- if (fd == -1)
- return 1;
- if (fstat(fd, &sbuf) == -1) {
- close(fd);
- syslog(LOG_ERR, "Couldn't stat /etc/securetty: %s",strerror(errno));
- return 1;
- }
- buf = malloc(sbuf.st_size + 1);
- if (read(fd, buf, sbuf.st_size) != sbuf.st_size) {
- close(fd);
- syslog(LOG_ERR, "Couldn't read /etc/securetty: %s",strerror(errno));
- return 1;
- }
- if (!strncmp(buf,terminal,strlen(terminal)) && buf[strlen(terminal)] == '\n')
- goto out_ok;
- if ((pos = strstr(buf, terminal))) {
- if (pos[strlen(terminal)] == '\n' && *(pos-1) == '\n')
- goto out_ok;
- }
- if (lseek(fd, 0, SEEK_END) == -1) {
- close(fd);
- syslog(LOG_ERR, "Couldn't seek to end of /etc/securetty: %s",strerror(errno));
- return 1;
- }
- write(fd, terminal, strlen(terminal));
- write(fd, "\n", 1);
-out_ok:
- close(fd);
- return 0;
-}
-
-int main(int argc, char **argv) {
- if (argc < 2 ) {
- fprintf(stderr, "Usage: securetty <device>\n");
- exit(1);
- }
- openlog("securetty", LOG_CONS, LOG_DAEMON);
- return rewrite_securetty(argv[1]);
-}