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alter realloc logic to allocate and lock new segment with memory security on

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This commit is contained in:
Stephen Lombardo 2021-09-07 13:53:53 -04:00
parent 3399ace246
commit 5db049f916
1 changed files with 13 additions and 1 deletions
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14
src/crypto_impl.c
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@ -95,8 +95,20 @@ static void sqlcipher_mem_free(void *p) {
default_mem_methods.xFree(p);
}
static void *sqlcipher_mem_realloc(void *p, int n) {
return default_mem_methods.xRealloc(p, n);
void *new = NULL;
if(mem_security_on) {
new = sqlcipher_mem_malloc(n);
if(new == NULL) {
return NULL;
}
memcpy(new, p, n);
sqlcipher_mem_free(p);
return new;
} else {
return default_mem_methods.xRealloc(p, n);
}
}
static int sqlcipher_mem_roundup(int n) {
return default_mem_methods.xRoundup(n);
}