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mirror of https://github.com/jedisct1/libsodium.git synced 2024-12-24 20:45:17 -07:00
libsodium/test/default/sodium_utils3.c
2015-10-26 16:59:28 +01:00

58 lines
1.1 KiB
C

#include <stdlib.h>
#include <sys/types.h>
#include <limits.h>
#include <signal.h>
#define TEST_NAME "sodium_utils3"
#include "cmptest.h"
#ifdef __SANITIZE_ADDRESS__
# warning The sodium_utils3 test is expected to fail with address sanitizer
#endif
static void segv_handler(int sig)
{
printf("Intentional segfault / bus error caught\n");
printf("OK\n");
#ifdef SIGSEGV
signal(SIGSEGV, SIG_DFL);
#endif
#ifdef SIGBUS
signal(SIGBUS, SIG_DFL);
#endif
#ifdef SIGABRT
signal(SIGABRT, SIG_DFL);
#endif
exit(0);
}
int main(void)
{
void *buf;
size_t size;
#ifdef SIGSEGV
signal(SIGSEGV, segv_handler);
#endif
#ifdef SIGBUS
signal(SIGBUS, segv_handler);
#endif
#ifdef SIGABRT
signal(SIGABRT, segv_handler);
#endif
size = randombytes_uniform(100000U);
buf = sodium_malloc(size);
assert(buf != NULL);
sodium_mprotect_noaccess(buf);
sodium_mprotect_readwrite(buf);
#ifndef __EMSCRIPTEN__
sodium_memzero(((unsigned char *)buf) - 8, 8U);
sodium_mprotect_readonly(buf);
sodium_free(buf);
printf("Underflow not caught\n");
#endif
return 0;
}