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Annotation of embedaddon/sudo/src/regress/ttyname/check_ttyname.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (c) 2013 Todd C. Miller <Todd.Miller@courtesan.com>
        !             3:  *
        !             4:  * Permission to use, copy, modify, and distribute this software for any
        !             5:  * purpose with or without fee is hereby granted, provided that the above
        !             6:  * copyright notice and this permission notice appear in all copies.
        !             7:  *
        !             8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !             9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            15:  */
        !            16: 
        !            17: #include <config.h>
        !            18: 
        !            19: #include <sys/types.h>
        !            20: #include <stdio.h>
        !            21: #ifdef STDC_HEADERS
        !            22: # include <stdlib.h>
        !            23: # include <stddef.h>
        !            24: #else
        !            25: # ifdef HAVE_STDLIB_H
        !            26: #  include <stdlib.h>
        !            27: # endif
        !            28: #endif /* STDC_HEADERS */
        !            29: #ifdef HAVE_STRING_H
        !            30: # if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
        !            31: #  include <memory.h>
        !            32: # endif
        !            33: # include <string.h>
        !            34: #endif /* HAVE_STRING_H */
        !            35: #ifdef HAVE_STRINGS_H
        !            36: # include <strings.h>
        !            37: #endif /* HAVE_STRINGS_H */
        !            38: #include <unistd.h>
        !            39: #include <errno.h>
        !            40: 
        !            41: #include "missing.h"
        !            42: #include "alloc.h"
        !            43: #include "error.h"
        !            44: 
        !            45: __dso_public int main(int argc, char *argv[]);
        !            46: 
        !            47: extern char *get_process_ttyname(void);
        !            48: 
        !            49: int
        !            50: main(int argc, char *argv[])
        !            51: {
        !            52:     char *tty_libc, *tty_sudo;
        !            53:     int rval = 0;
        !            54: 
        !            55: #if !defined(HAVE_GETPROGNAME) && !defined(HAVE___PROGNAME)
        !            56:     setprogname(argc > 0 ? argv[0] : "check_ttyname");
        !            57: #endif
        !            58: 
        !            59:     /* Lookup tty name via libc. */
        !            60:     if ((tty_libc = ttyname(STDIN_FILENO)) == NULL &&
        !            61:        (tty_libc = ttyname(STDOUT_FILENO)) == NULL &&
        !            62:        (tty_libc = ttyname(STDERR_FILENO)) == NULL)
        !            63:        tty_libc = "none";
        !            64:     tty_libc = estrdup(tty_libc);
        !            65: 
        !            66:     /* Lookup tty name via sudo (using kernel info if possible). */
        !            67:     if ((tty_sudo = get_process_ttyname()) == NULL)
        !            68:        tty_sudo = estrdup("none");
        !            69: 
        !            70:     if (strcmp(tty_libc, tty_sudo) == 0) {
        !            71:        printf("%s: OK (%s)\n", getprogname(), tty_sudo);
        !            72:     } else {
        !            73:        printf("%s: FAIL %s (sudo) vs. %s (libc)\n", getprogname(),
        !            74:            tty_sudo, tty_libc);
        !            75:        rval = 1;
        !            76:     }
        !            77: 
        !            78:     efree(tty_libc);
        !            79:     efree(tty_sudo);
        !            80:     exit(rval);
        !            81: }