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#include "fuzz.h"
#include "session.h"
#include "fuzz-wrapfd.h"
#include "debug.h"
static void setup_fuzzer(void) {
common_setup_fuzzer();
}
static buffer *verifydata;
/* Tests reading a public key and verifying a signature */
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
static int once = 0;
if (!once) {
setup_fuzzer();
verifydata = buf_new(30);
buf_putstring(verifydata, "x", 1);
once = 1;
}
if (fuzzer_set_input(Data, Size) == DROPBEAR_FAILURE) {
return 0;
}
m_malloc_set_epoch(1);
if (setjmp(fuzz.jmp) == 0) {
sign_key *key = new_sign_key();
enum signkey_type type = DROPBEAR_SIGNKEY_ANY;
if (buf_get_pub_key(fuzz.input, key, &type) == DROPBEAR_SUCCESS) {
/* Don't expect random fuzz input to verify */
assert(buf_verify(fuzz.input, key, verifydata) == DROPBEAR_FAILURE);
}
sign_key_free(key);
m_malloc_free_epoch(1, 0);
} else {
m_malloc_free_epoch(1, 1);
TRACE(("dropbear_exit longjmped"))
// dropbear_exit jumped here
}
return 0;
}
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