/*
* Copyright (c) 2013 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <config.h>
#include <sys/types.h>
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# ifdef HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif /* STDC_HEADERS */
#ifdef HAVE_STRING_H
# if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
# include <memory.h>
# endif
# include <string.h>
#endif /* HAVE_STRING_H */
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif /* HAVE_STRINGS_H */
#include <unistd.h>
#include <errno.h>
#include "missing.h"
#include "alloc.h"
#include "fatal.h"
#include "sudo_util.h"
__dso_public int main(int argc, char *argv[]);
extern char *get_process_ttyname(void);
int
main(int argc, char *argv[])
{
char *tty_libc, *tty_sudo;
int rval = 0;
initprogname(argc > 0 ? argv[0] : "check_ttyname");
/* Lookup tty name via libc. */
if ((tty_libc = ttyname(STDIN_FILENO)) == NULL &&
(tty_libc = ttyname(STDOUT_FILENO)) == NULL &&
(tty_libc = ttyname(STDERR_FILENO)) == NULL)
tty_libc = "none";
tty_libc = estrdup(tty_libc);
/* Lookup tty name via sudo (using kernel info if possible). */
if ((tty_sudo = get_process_ttyname()) == NULL)
tty_sudo = estrdup("none");
if (strcmp(tty_libc, "none") == 0) {
printf("%s: SKIP (%s)\n", getprogname(), tty_sudo);
} else if (strcmp(tty_libc, tty_sudo) == 0) {
printf("%s: OK (%s)\n", getprogname(), tty_sudo);
} else {
printf("%s: FAIL %s (sudo) vs. %s (libc)\n", getprogname(),
tty_sudo, tty_libc);
rval = 1;
}
efree(tty_libc);
efree(tty_sudo);
exit(rval);
}
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