14af218559
It is not legal to override standard functions using macros in C++. We may have to revisit this in the future.
70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
#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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#ifndef __cplusplus
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static inline __attribute__ ((always_inline))
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ssize_t
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__fortify_recv(int sockfd, void *buf, size_t n, int flags)
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{
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size_t bos = __builtin_object_size(buf, 0);
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if (n > bos)
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__builtin_trap();
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return recv(sockfd, buf, n, flags);
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}
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static inline __attribute__ ((always_inline))
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ssize_t
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__fortify_recvfrom(int sockfd, void *buf, size_t n, int flags,
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struct sockaddr *sa, socklen_t *salen)
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{
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size_t bos = __builtin_object_size(buf, 0);
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if (n > bos)
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__builtin_trap();
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return recvfrom(sockfd, buf, n, flags, sa, salen);
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}
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static inline __attribute__ ((always_inline))
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ssize_t
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__fortify_send(int sockfd, const void *buf, size_t n, int flags)
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{
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size_t bos = __builtin_object_size(buf, 0);
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if (n > bos)
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__builtin_trap();
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return send(sockfd, buf, n, flags);
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}
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static inline __attribute__ ((always_inline))
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ssize_t
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__fortify_sendto(int sockfd, const void *buf, size_t n, int flags,
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const struct sockaddr *sa, socklen_t salen)
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{
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size_t bos = __builtin_object_size(buf, 0);
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if (n > bos)
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__builtin_trap();
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return sendto(sockfd, buf, n, flags, sa, salen);
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}
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#undef recv
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#define recv(sockfd, buf, n, flags) __fortify_recv(sockfd, buf, n, flags)
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#undef recvfrom
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#define recvfrom(sockfd, buf, n, flags, sa, salen) __fortify_recvfrom(sockfd, buf, n, flags, sa, salen)
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#undef send
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#define send(sockfd, buf, n, flags) __fortify_send(sockfd, buf, n, flags)
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#undef sendto
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#define sendto(sockfd, buf, n, flags, sa, salen) __fortify_sendto(sockfd, buf, n, flags, sa, salen)
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#endif
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#endif
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#endif
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