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include/secure/_socket.h
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| /* | |||||
| * Copyright (C) 2008 The Android Open Source Project | |||||
| * 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. | |||||
| * | |||||
| * bionic rev: a8993c994e45ec2dc00dcef15910560e22d67be9 | |||||
| * | |||||
| * $FreeBSD$ | |||||
| */ | |||||
| #ifndef _SYS_SOCKET_H_ | |||||
| #error "You should not use <secure/_socket.h> directly; include <sys/socket.h> instead." | |||||
| #endif | |||||
| #ifndef _SECURE_SOCKET_H_ | |||||
| #define _SECURE_SOCKET_H_ | |||||
| #include <sys/_null.h> | |||||
| #include <secure/security.h> | |||||
| __BEGIN_DECLS | |||||
| extern ssize_t __recvfrom_chk(int, void *, size_t, size_t, int, struct sockaddr * __restrict, socklen_t * __restrict); | |||||
| extern ssize_t __recvfrom_real(int, void *, size_t, int, const struct sockaddr *, socklen_t *) __RENAME(recvfrom); | |||||
| __errordecl(__recvfrom_error, "recvfrom called with size bigger than buffer"); | |||||
| #ifdef __BSD_FORTIFY | |||||
| __FORTIFY_INLINE ssize_t | |||||
| recvfrom(int _s, void *_buf, size_t _len, int _flags, struct sockaddr * __restrict _from, socklen_t * __restrict _fromlen) | |||||
| { | |||||
| size_t _bos = __bos0(_buf); | |||||
| #ifndef __clang__ | |||||
| if (_bos == __FORTIFY_UNKNOWN_SIZE) | |||||
| return (__recvfrom_real(_s, _buf, _len, _flags, _from, _fromlen)); | |||||
| if (__builtin_constant_p(_len) && (_len <= _bos)) | |||||
| return (__recvfrom_real(_s, _buf, _len, _flags, _from, _fromlen)); | |||||
| if (__builtin_constant_p(_len) && (_len > _bos)) | |||||
| __recvfrom_error(); | |||||
| #endif | |||||
| return (__recvfrom_chk(_s, _buf, _len, _bos, _flags, _from, _fromlen)); | |||||
| } | |||||
| __FORTIFY_INLINE ssize_t | |||||
| recv(int _s, void *_buf, size_t _len, int _flags) | |||||
| { | |||||
| return recvfrom(_s, _buf, _len, _flags, NULL, 0); | |||||
| } | |||||
| #endif /* !__BSD_FORTIFY */ | |||||
| __END_DECLS | |||||
| #endif /* !_SECURE_SOCKET_H */ | |||||