]>
Commit | Line | Data |
---|---|---|
c7bf5cea FW |
1 | /* Check cookie initialization for many auditors. Auditor template. |
2 | Copyright (C) 2019 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | /* The macro MOD must be defined to the number of this auditor (an | |
20 | integer) before including this file. */ | |
21 | ||
22 | #include <link.h> | |
23 | #include <stdio.h> | |
24 | #include <unistd.h> | |
25 | ||
26 | /* Error counter for delayed error reporting. */ | |
27 | static int errors; | |
28 | ||
29 | unsigned int | |
30 | la_version (unsigned int version) | |
31 | { | |
32 | return version; | |
33 | } | |
34 | ||
35 | unsigned int | |
36 | la_objopen (struct link_map *map, Lmid_t lmid, | |
37 | uintptr_t *cookie) | |
38 | { | |
39 | struct link_map *cookie_map = (struct link_map *) *cookie; | |
40 | printf ("info: %d, la_objopen: map=%p name=%s cookie=%p:%p diff=%td\n", | |
41 | MOD, map, map->l_name, cookie, cookie_map, | |
42 | (char *) cookie - (char *) map); | |
43 | fflush (stdout); | |
44 | if (map != cookie_map) | |
45 | { | |
46 | printf ("error: %d, la_objopen:" | |
47 | " map address does not match cookie value\n", | |
48 | MOD); | |
49 | fflush (stdout); | |
50 | ++errors; | |
51 | } | |
52 | return 0; | |
53 | } | |
54 | ||
55 | extern unsigned int | |
56 | la_objclose (uintptr_t *__cookie) | |
57 | { | |
58 | if (errors != 0) | |
59 | { | |
60 | printf ("error: exiting due to previous errors"); | |
61 | _exit (1); | |
62 | } | |
63 | return 0; | |
64 | } |