/* * SPDX-FileCopyrightText: 2008 - 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 #include "shadowio.h" #define LOOKUP_TYPE struct spwd #define FUNCTION_NAME getspnam #define ARG_TYPE const char * #define ARG_NAME name #define DUP_FUNCTION __spw_dup #define HAVE_FUNCTION_R (defined HAVE_GETSPNAM_R) #include "xgetXXbyYY.c"