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87 lines
3.6 KiB
87 lines
3.6 KiB
4 months ago
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/*
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* Copyright (C) 2017 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _SYS_SOCKET_H_
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#error "Never include this file directly; instead, include <sys/socket.h>"
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#endif
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extern ssize_t __sendto_chk(int, const void*, size_t, size_t, int, const struct sockaddr*,
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socklen_t) __INTRODUCED_IN(26);
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ssize_t __recvfrom_chk(int, void*, size_t, size_t, int, struct sockaddr*,
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socklen_t*) __INTRODUCED_IN(21);
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#if defined(__BIONIC_FORTIFY)
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__BIONIC_FORTIFY_INLINE
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ssize_t recvfrom(int fd, void* const buf __pass_object_size0, size_t len, int flags, struct sockaddr* src_addr, socklen_t* addr_len)
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__overloadable
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__clang_error_if(__bos_unevaluated_lt(__bos0(buf), len),
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"'recvfrom' called with size bigger than buffer") {
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#if __ANDROID_API__ >= 24 && __BIONIC_FORTIFY_RUNTIME_CHECKS_ENABLED
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size_t bos = __bos0(buf);
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if (!__bos_trivially_ge(bos, len)) {
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return __recvfrom_chk(fd, buf, len, bos, flags, src_addr, addr_len);
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}
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#endif
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return __call_bypassing_fortify(recvfrom)(fd, buf, len, flags, src_addr, addr_len);
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}
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__BIONIC_FORTIFY_INLINE
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ssize_t sendto(int fd, const void* const buf __pass_object_size0, size_t len, int flags, const struct sockaddr* dest_addr, socklen_t addr_len)
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__overloadable
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__clang_error_if(__bos_unevaluated_lt(__bos0(buf), len),
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"'sendto' called with size bigger than buffer") {
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#if __ANDROID_API__ >= 26 && __BIONIC_FORTIFY_RUNTIME_CHECKS_ENABLED
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size_t bos = __bos0(buf);
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if (!__bos_trivially_ge(bos, len)) {
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return __sendto_chk(fd, buf, len, bos, flags, dest_addr, addr_len);
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}
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#endif
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return __call_bypassing_fortify(sendto)(fd, buf, len, flags, dest_addr, addr_len);
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}
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__BIONIC_FORTIFY_INLINE
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ssize_t recv(int socket, void* const buf __pass_object_size0, size_t len, int flags)
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__overloadable
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__clang_error_if(__bos_unevaluated_lt(__bos0(buf), len),
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"'recv' called with size bigger than buffer") {
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return recvfrom(socket, buf, len, flags, NULL, 0);
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}
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__BIONIC_FORTIFY_INLINE
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ssize_t send(int socket, const void* const buf __pass_object_size0, size_t len, int flags)
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__overloadable
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__clang_error_if(__bos_unevaluated_lt(__bos0(buf), len),
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"'send' called with size bigger than buffer") {
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return sendto(socket, buf, len, flags, NULL, 0);
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}
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#endif /* __BIONIC_FORTIFY */
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