1
mirror of https://github.com/jedisct1/libsodium.git synced 2024-12-24 20:45:17 -07:00
libsodium/test/default/sodium_utils3.c

88 lines
1.6 KiB
C
Raw Normal View History

2015-10-26 08:59:28 -07:00
#include <stdlib.h>
#include <sys/types.h>
#include <limits.h>
#ifdef HAVE_CATCHABLE_SEGV
# include <signal.h>
#endif
2022-11-13 15:49:38 -07:00
#ifndef _WIN32
# include <unistd.h>
#endif
#define TEST_NAME "sodium_utils3"
#include "cmptest.h"
#ifdef __SANITIZE_ADDRESS__
# warning The sodium_utils3 test is expected to fail with address sanitizer
#endif
2017-02-23 03:24:48 -07:00
__attribute__((noreturn)) static void
segv_handler(int sig)
{
2016-03-06 06:00:18 -07:00
(void) sig;
printf("Intentional segfault / bus error caught\n");
printf("OK\n");
2019-04-08 11:47:33 -07:00
#ifdef SIG_DFL
# ifdef SIGPROT
signal(SIGPROT, SIG_DFL);
# endif
2019-04-08 11:47:33 -07:00
# ifdef SIGSEGV
signal(SIGSEGV, SIG_DFL);
2019-04-08 11:47:33 -07:00
# endif
# ifdef SIGBUS
signal(SIGBUS, SIG_DFL);
2019-04-08 11:47:33 -07:00
# endif
# ifdef SIGABRT
signal(SIGABRT, SIG_DFL);
2019-04-08 11:47:33 -07:00
# endif
#endif
2022-11-13 15:49:38 -07:00
_exit(0);
}
2017-02-23 03:24:48 -07:00
int
main(void)
{
2017-02-23 03:24:48 -07:00
void * buf;
2014-09-14 11:32:55 -07:00
size_t size;
#ifdef BENCHMARKS
return 0;
#endif
2019-04-08 11:47:33 -07:00
#ifdef SIG_DFL
# ifdef SIGPROT
signal(SIGPROT, segv_handler);
# endif
2019-04-08 11:47:33 -07:00
# ifdef SIGSEGV
signal(SIGSEGV, segv_handler);
2019-04-08 11:47:33 -07:00
# endif
# ifdef SIGBUS
signal(SIGBUS, segv_handler);
2019-04-08 11:47:33 -07:00
# endif
# ifdef SIGABRT
signal(SIGABRT, segv_handler);
2019-04-08 11:47:33 -07:00
# endif
#endif
size = 1U + randombytes_uniform(100000U);
2017-02-23 03:24:48 -07:00
buf = sodium_malloc(size);
assert(buf != NULL);
/* old versions of asan emit a warning because they don't support mlock*() */
#ifndef __SANITIZE_ADDRESS__
sodium_mprotect_noaccess(buf);
sodium_mprotect_readwrite(buf);
#endif
#if defined(HAVE_CATCHABLE_SEGV) && !defined(__EMSCRIPTEN__) && !defined(__SANITIZE_ADDRESS__)
2017-02-23 03:24:48 -07:00
sodium_memzero(((unsigned char *) buf) - 8, 8U);
sodium_mprotect_readonly(buf);
sodium_free(buf);
printf("Underflow not caught\n");
#else
segv_handler(0);
#endif
return 0;
}