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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:54:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:54:37 +0000 |
commit | 97c26c1924b076ef23ebe4381558e8aa025712b2 (patch) | |
tree | 109724175f07436696f51b14b5abbd3f4d704d6d /libmisc/xgetpwnam.c | |
parent | Initial commit. (diff) | |
download | shadow-97c26c1924b076ef23ebe4381558e8aa025712b2.tar.xz shadow-97c26c1924b076ef23ebe4381558e8aa025712b2.zip |
Adding upstream version 1:4.13+dfsg1.upstream/1%4.13+dfsg1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | libmisc/xgetpwnam.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libmisc/xgetpwnam.c b/libmisc/xgetpwnam.c new file mode 100644 index 0000000..74eb972 --- /dev/null +++ b/libmisc/xgetpwnam.c @@ -0,0 +1,41 @@ +/* + * SPDX-FileCopyrightText: 2007 - 2009, Nicolas François + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +/* + * According to the Linux-PAM documentation: + * + * 4.1. Care about standard library calls + * + * In general, writers of authorization-granting applications should + * assume that each module is likely to call any or all 'libc' functions. + * For 'libc' functions that return pointers to static/dynamically + * allocated structures (ie. the library allocates the memory and the + * user is not expected to 'free()' it) any module call to this function + * is likely to corrupt a pointer previously obtained by the application. + * The application programmer should either re-call such a 'libc' + * function after a call to the Linux-PAM library, or copy the structure + * contents to some safe area of memory before passing control to the + * Linux-PAM library. + * + * Two important function classes that fall into this category are + * getpwnam(3) and syslog(3). + * + * This file provide wrapper to the getpwnam or getpwnam_r functions. + */ + +#include <config.h> + +#include "pwio.h" + +#define LOOKUP_TYPE struct passwd +#define FUNCTION_NAME getpwnam +#define ARG_TYPE const char * +#define ARG_NAME name +#define DUP_FUNCTION __pw_dup +#define HAVE_FUNCTION_R (defined HAVE_GETPWNAM_R) + +#include "xgetXXbyYY.c" + |