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| author | Elliott Hughes <enh@google.com> | 2012-10-01 17:35:49 -0700 |
|---|---|---|
| committer | Elliott Hughes <enh@google.com> | 2012-10-01 17:35:49 -0700 |
| commit | a89864a20b818621a1da10e88fda815334062f9f (patch) | |
| tree | 7ebc6e1cf123c0f9d8ab50e775039e183990110b /libc/string/__strcpy_chk.c | |
| parent | d3bf954e9ffbdee8d732ccb6ad6143dc31b605fc (diff) | |
| download | bionic-a89864a20b818621a1da10e88fda815334062f9f.zip bionic-a89864a20b818621a1da10e88fda815334062f9f.tar.gz bionic-a89864a20b818621a1da10e88fda815334062f9f.tar.bz2 | |
Move non-upstream code into the libc/bionic directory.
I'll need at least one more pass, because there's some upstream code
lurking in libc/bionic, but this is still a step in the right direction.
Change-Id: I55927315972da8327ae01c5240ed587db17e8462
Diffstat (limited to 'libc/string/__strcpy_chk.c')
| -rw-r--r-- | libc/string/__strcpy_chk.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/libc/string/__strcpy_chk.c b/libc/string/__strcpy_chk.c deleted file mode 100644 index 79486b4..0000000 --- a/libc/string/__strcpy_chk.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Copyright (C) 2012 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. - */ - -#include <string.h> -#include <stdlib.h> -#include <private/logd.h> - -/* - * Runtime implementation of __builtin____strcpy_chk. - * - * See - * http://gcc.gnu.org/onlinedocs/gcc/Object-Size-Checking.html - * http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html - * for details. - * - * This strcpy check is called if _FORTIFY_SOURCE is defined and - * greater than 0. - */ -char *__strcpy_chk (char *dest, const char *src, size_t dest_len) -{ - // TODO: optimize so we don't scan src twice. - size_t src_len = strlen(src) + 1; - if (src_len > dest_len) { - __libc_android_log_print(ANDROID_LOG_FATAL, "libc", - "*** strcpy buffer overflow detected ***\n"); - __libc_android_log_event_uid(BIONIC_EVENT_STRCPY_BUFFER_OVERFLOW); - abort(); - } - - return strcpy(dest, src); -} |
