Annotation of embedaddon/sudo/src/regress/ttyname/check_ttyname.c, revision 1.1.1.1
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: }
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