f34a638b38
undefining some configuration macros when the file is included multiple times. * libmisc/xgetXXbyYY.c, libmisc/xgetpwnam.c, libmisc/xgetpwuid.c, libmisc/xgetgrgid.c, libmisc/xgetgrnam.c, libmisc/xgetspnam.c: Include <config.h> from teh compiled C file, not the included getXXbyYY.c.
66 lines
2.7 KiB
C
66 lines
2.7 KiB
C
/*
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* Copyright (c) 2007 , Nicolas François
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the copyright holders or contributors may not be used to
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* endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* According to the Linux-PAM documentation:
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*
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* 4.1. Care about standard library calls
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*
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* In general, writers of authorization-granting applications should
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* assume that each module is likely to call any or all 'libc' functions.
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* For 'libc' functions that return pointers to static/dynamically
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* allocated structures (ie. the library allocates the memory and the
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* user is not expected to 'free()' it) any module call to this function
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* is likely to corrupt a pointer previously obtained by the application.
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* The application programmer should either re-call such a 'libc'
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* function after a call to the Linux-PAM library, or copy the structure
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* contents to some safe area of memory before passing control to the
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* Linux-PAM library.
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*
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* Two important function classes that fall into this category are
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* getpwnam(3) and syslog(3).
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*
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* This file provide wrapper to the getpwnam or getpwnam_r functions.
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*/
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#include <config.h>
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#include "pwio.h"
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#define LOOKUP_TYPE struct passwd
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#define FUNCTION_NAME getpwuid
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#define ARG_TYPE uid_t
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#define ARG_NAME uid
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#define DUP_FUNCTION __pw_dup
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#define MAX_LENGTH 0x8000
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#define HAVE_FUNCTION_R (defined HAVE_GETPWUID_R)
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#include "xgetXXbyYY.c"
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