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include/secure/_unistd.h

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/*-
* Copyright (c) 2015 Oliver Pinter
* Copyright (C) 2008 The Android Open Source Project
ngieUnsubmitted
Not Done
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This seems chronologically backwards

ngie: This seems chronologically backwards
opAuthorUnsubmitted
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There are examples both these and both the reverse order in the tree: https://github.com/freebsd/freebsd/blob/master/sys/kern/imgact_elf.c

op: There are examples both these and both the reverse order in the tree: https://github.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* rev: 9ef26a3c4cd2e6d469f771815a07cb820800beb6
*
* $FreeBSD$
*/
#ifndef _UNISTD_H_
#error "You should not use <secure/_unistd.h> directly; include <unistd.h> instead."
#endif
#ifndef _SECURE_UNISTD_H_
#define _SECURE_UNISTD_H_
#include <sys/limits.h>
#include <secure/security.h>
__BEGIN_DECLS
extern ssize_t __pread_chk(int, void *, size_t, off_t, size_t);
extern ssize_t __pread_real(int, void *, size_t, off_t) __RENAME(pread);
__errordecl(__pread_dest_size_error, "pread called with size bigger than destination");
__errordecl(__pread_count_toobig_error, "pread called with count > SSIZE_MAX");
extern ssize_t __read_chk(int, void *, size_t, size_t);
extern ssize_t __read_real(int, void *, size_t) __RENAME(read);
__errordecl(__read_dest_size_error, "read called with size bigger than destination");
__errordecl(__read_count_toobig_error, "read called with count > SSIZE_MAX");
extern ssize_t __readlink_chk(const char *, char *, size_t, size_t);
extern ssize_t __readlink_real(const char *, char *, size_t) __RENAME(readlink);
__errordecl(__readlink_dest_size_error, "readlink called with size bigger than destination");
__errordecl(__readlink_size_toobig_error, "readlink called with size > SSIZE_MAX");
extern ssize_t __readlinkat_chk(int, const char *, char *, size_t, size_t);
extern ssize_t __readlinkat_real(int, const char *, char *, size_t) __RENAME(readlinkat);
__errordecl(__readlinkat_dest_size_error, "readlinkat called with size bigger than destination");
__errordecl(__readlinkat_size_toobig_error, "readlinkat called with size > SSIZE_MAX");
#if defined(__BSD_FORTIFY)
/* 1003.1-2008 */
#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE
__FORTIFY_INLINE ssize_t
pread(int _fd, void *_buf, size_t _count, off_t _offset)
{
size_t _bos = __bos0(_buf);
#if !defined(__clang__)
if (__builtin_constant_p(_count) && (_count > SSIZE_MAX))
pfgUnsubmitted
Done
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/scratch/tmp/pfg/obj/powerpc.powerpc64/scratch/tmp/pfg/head/tmp/usr/include/secure/_unistd.h: In function 'pread':
/scratch/tmp/pfg/obj/powerpc.powerpc64/scratch/tmp/pfg/head/tmp/usr/include/secure/_unistd.h:75: error: 'SSIZE_MAX' undeclared (first use in this function)

pfg: /scratch/tmp/pfg/obj/powerpc.powerpc64/scratch/tmp/pfg/head/tmp/usr/include/secure/_unistd.h…
__pread_count_toobig_error();
if (_bos == __FORTIFY_UNKNOWN_SIZE)
return (__pread_real(_fd, _buf, _count, _offset));
if (__builtin_constant_p(_count) && (_count > _bos))
__pread_dest_size_error();
pfgUnsubmitted
Done
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This should be _count

pfg: This should be `_count`
if (__builtin_constant_p(_count) && (_count <= _bos))
return (__pread_real(_fd, _buf, _count, _offset));
#endif
return (__pread_chk(_fd, _buf, _count, _offset, _bos));
}
#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */
__FORTIFY_INLINE ssize_t
read(int _fd, void *_buf, size_t _count)
{
size_t _bos = __bos0(_buf);
#if !defined(__clang__)
pfgUnsubmitted
Done
Inline Actions

/scratch/tmp/pfg/obj/powerpc.powerpc64/scratch/tmp/pfg/head/tmp/usr/include/secure/_unistd.h:98: error: 'SSIZE_MAX' undeclared (first use in this function)

pfg: /scratch/tmp/pfg/obj/powerpc.powerpc64/scratch/tmp/pfg/head/tmp/usr/include/secure/_unistd.h:98…
if (__builtin_constant_p(_count) && (_count > SSIZE_MAX))
__read_count_toobig_error();
if (_bos == __FORTIFY_UNKNOWN_SIZE)
return (__read_real(_fd, _buf, _count));
if (__builtin_constant_p(_count) && (_count > _bos))
__read_dest_size_error();
if (__builtin_constant_p(_count) && (_count <= _bos))
return (__read_real(_fd, _buf, _count));
#endif
return (__read_chk(_fd, _buf, _count, _bos));
}
/* 1003.1-2001 */
#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
__FORTIFY_INLINE ssize_t
readlink(const char *_path, char *_buf, size_t _size)
{
size_t _bos = __bos(_buf);
pfgUnsubmitted
Done
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/scratch/tmp/pfg/obj/powerpc.powerpc64/scratch/tmp/pfg/head/tmp/usr/include/secure/_unistd.h:122: error: 'SSIZE_MAX' undeclared (first use in this function)

pfg: /scratch/tmp/pfg/obj/powerpc.powerpc64/scratch/tmp/pfg/head/tmp/usr/include/secure/_unistd.h…
#if !defined(__clang__)
if (__builtin_constant_p(_size) && (_size > SSIZE_MAX))
__readlink_size_toobig_error();
if (_bos == __FORTIFY_UNKNOWN_SIZE)
return (__readlink_real(_path, _buf, _size));
if (__builtin_constant_p(_size) && (_size > _bos))
__readlink_dest_size_error();
if (__builtin_constant_p(_size) && (_size <= _bos))
return (__readlink_real(_path, _buf, _size));
#endif
return (__readlink_chk(_path, _buf, _size, _bos));
}
#endif /* __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE */
#if __POSIX_VISIBLE >= 200809
pfgUnsubmitted
Done
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/scratch/tmp/pfg/obj/powerpc.powerpc/scratch/tmp/pfg/head/tmp/usr/include/secure/_unistd.h: In function 'readlinkat':
/scratch/tmp/pfg/obj/powerpc.powerpc/scratch/tmp/pfg/head/tmp/usr/include/secure/_unistd.h:142: warning: declaration of 'dirfd' shadows a global declaration
/scratch/tmp/pfg/obj/powerpc.powerpc/scratch/tmp/pfg/head/tmp/usr/include/dirent.h:79: warning: shadowed declaration is here

Rename dirfd

pfg: /scratch/tmp/pfg/obj/powerpc.powerpc/scratch/tmp/pfg/head/tmp/usr/include/secure/_unistd.h: In…
__FORTIFY_INLINE ssize_t
readlinkat(int _dirfd, const char *_path, char *_buf, size_t _size)
{
size_t _bos = __bos(_buf);
pfgUnsubmitted
Done
Inline Actions

/scratch/tmp/pfg/obj/powerpc.powerpc64/scratch/tmp/pfg/head/tmp/usr/include/secure/_unistd.h:146: error: 'SSIZE_MAX' undeclared (first use in this function)

pfg: /scratch/tmp/pfg/obj/powerpc.powerpc64/scratch/tmp/pfg/head/tmp/usr/include/secure/_unistd.h…
#if !defined(__clang__)
if (__builtin_constant_p(_size) && (_size > SSIZE_MAX))
(__readlinkat_size_toobig_error());
if (_bos == __FORTIFY_UNKNOWN_SIZE)
return (__readlinkat_real(_dirfd, _path, _buf, _size));
if (__builtin_constant_p(_size) && (_size > _bos))
__readlinkat_dest_size_error();
if (__builtin_constant_p(_size) && (_size <= _bos))
return (__readlinkat_real(_dirfd, _path, _buf, _size));
#endif
return (__readlinkat_chk(_dirfd, _path, _buf, _size, _bos));
}
#endif /* __POSIX_VISIBLE >= 200809 */
#endif /* defined(__BSD_FORTIFY) */
__END_DECLS
#endif /* !_SECURE_UNISTD_H_ */