78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/*
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* Copyright (C) 2015 Dimitris Papastamos <sin@2f30.org>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _FORTIFY_SYS_SOCKET_H
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#define _FORTIFY_SYS_SOCKET_H
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#include_next <sys/socket.h>
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#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
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#include "../fortify-headers.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#undef recv
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#undef recvfrom
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#undef send
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#undef sendto
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_FORTIFY_FN(recv) ssize_t recv(int __f, void *__s, size_t __n, int __fl)
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{
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size_t __b = __builtin_object_size(__s, 0);
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if (__n > __b)
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__builtin_trap();
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return __orig_recv(__f, __s, __n, __fl);
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}
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_FORTIFY_FN(recvfrom) ssize_t recvfrom(int __f, void *__s, size_t __n, int __fl,
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struct sockaddr *__a, socklen_t *__l)
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{
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size_t __b = __builtin_object_size(__s, 0);
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if (__n > __b)
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__builtin_trap();
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return __orig_recvfrom(__f, __s, __n, __fl, __a, __l);
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}
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_FORTIFY_FN(send) ssize_t send(int __f, const void *__s, size_t __n, int __fl)
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{
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size_t __b = __builtin_object_size(__s, 0);
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if (__n > __b)
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__builtin_trap();
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return __orig_send(__f, __s, __n, __fl);
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}
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_FORTIFY_FN(sendto) ssize_t sendto(int __f, const void *__s, size_t __n, int __fl,
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const struct sockaddr *__a, socklen_t __l)
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{
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size_t __b = __builtin_object_size(__s, 0);
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if (__n > __b)
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__builtin_trap();
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return __orig_sendto(__f, __s, __n, __fl, __a, __l);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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