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mirror of https://github.com/jedisct1/libsodium.git synced 2024-12-20 02:25:14 -07:00
libsodium/test/default/sodium_utils2.c

68 lines
1.3 KiB
C

#include <sys/types.h>
#include <limits.h>
#include <signal.h>
#define TEST_NAME "sodium_utils2"
#include "cmptest.h"
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;
unsigned int i;
if (sodium_allocarray(SIZE_MAX / 2U + 1U, SIZE_MAX / 2U) != NULL) {
return 1;
}
sodium_free(sodium_malloc(0U));
sodium_free(NULL);
for (i = 0U; i < 10000U; i++) {
size = randombytes_uniform(100000U);
buf = sodium_malloc(size);
memset(buf, i, size);
sodium_mprotect_readonly(buf);
sodium_free(buf);
}
printf("OK\n");
#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);
sodium_mprotect_readonly(buf);
sodium_mprotect_readwrite(buf);
sodium_memzero(((unsigned char *) buf) + size, 1U);
sodium_mprotect_noaccess(buf);
sodium_free(buf);
printf("Overflow not caught\n");
return 0;
}