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