source: openpam/trunk/t/t_pam_err.h @ 943

Last change on this file since 943 was 943, checked in by Dag-Erling Smørgrav, 2 years ago

Fix an off-by-one bug in pam_getenv() which was inadvertantly
introduced when pam_getenv() was (needlessly) rewritten as part of
r913. Rewrite pam_getenv() again (but correctly, this time) to reduce
the number of times we iterate over the same string. Add a few unit
tests for pam_{get,put,set}env(), including one which would have
caught the bug.

Credit goes to Tim Creech <tcreech@…> for discovering and
reporting the bug.

File size: 1.7 KB
Line 
1/*-
2 * Copyright (c) 2018 Dag-Erling Smørgrav
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote
14 *    products derived from this software without specific prior written
15 *    permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $OpenPAM$
30 */
31
32#ifndef T_PAM_ERR_H_INCLUDED
33#define T_PAM_ERR_H_INCLUDED
34
35int t_compare_pam_err(int, int);
36
37static inline int
38t_pam_success(int received)
39{
40
41        return t_compare_pam_err(PAM_SUCCESS, received);
42}
43
44#endif
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