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-rw-r--r--libc/bionic/ssp.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/libc/bionic/ssp.c b/libc/bionic/ssp.c
deleted file mode 100644
index 20794f4..0000000
--- a/libc/bionic/ssp.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (C) 2008 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 <stdio.h>
-#include <stdlib.h>
-#include <signal.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include "logd.h"
-
-void *__stack_chk_guard = 0;
-
-/* Initialize the canary with a random value from /dev/urandom.
- * If that fails, use the "terminator canary". */
-static void __attribute__ ((constructor))
-__guard_setup(void)
-{
- int fd;
-
- fd = open("/dev/urandom", O_RDONLY);
- if (fd != -1) {
- ssize_t len = read(fd, &__stack_chk_guard,
- sizeof(__stack_chk_guard));
- close(fd);
- if (len == sizeof(__stack_chk_guard))
- return;
- }
-
- /* If that failed, switch to 'terminator canary' */
- ((unsigned char *)&__stack_chk_guard)[0] = 0;
- ((unsigned char *)&__stack_chk_guard)[1] = 0;
- ((unsigned char *)&__stack_chk_guard)[2] = '\n';
- ((unsigned char *)&__stack_chk_guard)[3] = 255;
-}
-
-/* This is the crash handler.
- * Does a best effort at logging and calls _exit to terminate
- * the process immediately (without atexit handlers, etc.) */
-void __stack_chk_fail(void)
-{
- struct sigaction sa;
- sigset_t sigmask;
- static const char message[] = "stack corruption detected: aborted";
- char path[PATH_MAX];
- int count;
-
- /* Immediately block all (but SIGABRT) signal handlers from running code */
- sigfillset(&sigmask);
- sigdelset(&sigmask, SIGABRT);
- sigprocmask(SIG_BLOCK, &sigmask, NULL);
-
- /* Use /proc/self/exe link to obtain the program name for logging
- * purposes. If it's not available, we set it to "unknown" */
- if ((count = readlink("/proc/self/exe", path, sizeof(path) - 1)) == -1) {
- strlcpy(path, "unknown", sizeof(path));
- } else {
- path[count] = '\0';
- }
-
- /* Do a best effort at logging. This ends up calling writev(2) */
- __libc_android_log_print(ANDROID_LOG_FATAL, path, message);
-
- /* Make sure there is no default action for SIGABRT */
- bzero(&sa, sizeof(struct sigaction));
- sigemptyset(&sa.sa_mask);
- sa.sa_flags = 0;
- sa.sa_handler = SIG_DFL;
- sigaction(SIGABRT, &sa, NULL);
-
- /* Terminate the process and exit immediately */
- kill(getpid(), SIGABRT);
-
- _exit(127);
-}