mirror of
https://github.com/zeromq/libzmq.git
synced 2024-12-26 23:01:04 +08:00
da31917f4f
Relicense permission collected from all relevant authors as tallied at: https://github.com/rlenferink/libzmq-relicense/blob/master/checklist.md The relicense grants are collected under RELICENSE/ and will be moved to the above repository in a later commit. Fixes https://github.com/zeromq/libzmq/issues/2376
113 lines
3.3 KiB
C++
113 lines
3.3 KiB
C++
/* SPDX-License-Identifier: MPL-2.0 */
|
|
|
|
#ifdef ZMQ_USE_FUZZING_ENGINE
|
|
#include <fuzzer/FuzzedDataProvider.h>
|
|
#endif
|
|
|
|
#include "testutil.hpp"
|
|
#include "testutil_security.hpp"
|
|
|
|
// Test that the ZMTP engine handles invalid handshake when connecting
|
|
// https://rfc.zeromq.org/spec/37/
|
|
// https://rfc.zeromq.org/spec/26/
|
|
extern "C" int LLVMFuzzerTestOneInput (const uint8_t *data, size_t size)
|
|
{
|
|
const char *fixed_client_public =
|
|
"{{k*81)yMWEF{/BxdMd[5RL^qRFxBgoL<8m.D^KD";
|
|
const char *fixed_client_secret =
|
|
"N?Gmik8R[2ACw{b7*[-$S6[4}aO#?DB?#=<OQPc7";
|
|
const char *fixed_server_public =
|
|
"3.9-xXwy{g*w72TP*3iB9IJJRxlBH<ufTAvPd2>C";
|
|
|
|
setup_test_context ();
|
|
char my_endpoint[MAX_SOCKET_STRING];
|
|
fd_t server = bind_socket_resolve_port ("127.0.0.1", "0", my_endpoint);
|
|
|
|
curve_client_data_t curve_client_data = {
|
|
fixed_server_public, fixed_client_public, fixed_client_secret};
|
|
void *client_mon;
|
|
void *client = create_and_connect_client (
|
|
my_endpoint, socket_config_curve_client, &curve_client_data, &client_mon);
|
|
|
|
fd_t server_accept =
|
|
TEST_ASSERT_SUCCESS_RAW_ERRNO (accept (server, NULL, NULL));
|
|
|
|
// If there is not enough data for a full greeting, just send what we can
|
|
// Otherwise send greeting first, as expected by the protocol
|
|
uint8_t buf[512];
|
|
if (size >= 64) {
|
|
send (server_accept, (void *) data, 64, MSG_NOSIGNAL);
|
|
data += 64;
|
|
size -= 64;
|
|
}
|
|
recv (server_accept, buf, 64, 0);
|
|
// Then expect HELLO and send WELCOME if there's enough data
|
|
if (size >= 170) {
|
|
recv (server_accept, buf, 202, 0);
|
|
send (server_accept, (void *) data, 170, MSG_NOSIGNAL);
|
|
data += 170;
|
|
size -= 170;
|
|
}
|
|
// Then expect INITIATE and send READY if there's enough data
|
|
if (size >= 72) {
|
|
recv (server_accept, buf, 512, 0);
|
|
send (server_accept, (void *) data, 72, MSG_NOSIGNAL);
|
|
data += 72;
|
|
size -= 72;
|
|
}
|
|
msleep (250);
|
|
for (ssize_t sent = 0; size > 0 && (sent != -1 || errno == EINTR);
|
|
size -= sent > 0 ? sent : 0, data += sent > 0 ? sent : 0)
|
|
sent = send (server_accept, (const char *) data, size, MSG_NOSIGNAL);
|
|
recv (server_accept, buf, 512, MSG_DONTWAIT);
|
|
msleep (250);
|
|
|
|
zmq_msg_t msg;
|
|
zmq_msg_init (&msg);
|
|
while (-1 != zmq_msg_recv (&msg, client, ZMQ_DONTWAIT)) {
|
|
zmq_msg_close (&msg);
|
|
zmq_msg_init (&msg);
|
|
}
|
|
|
|
close (server_accept);
|
|
close (server);
|
|
|
|
test_context_socket_close_zero_linger (client);
|
|
test_context_socket_close_zero_linger (client_mon);
|
|
teardown_test_context ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifndef ZMQ_USE_FUZZING_ENGINE
|
|
void test_connect_curve_fuzzer ()
|
|
{
|
|
uint8_t **data;
|
|
size_t *len, num_cases = 0;
|
|
if (fuzzer_corpus_encode (
|
|
"tests/libzmq-fuzz-corpora/test_connect_curve_fuzzer_seed_corpus",
|
|
&data, &len, &num_cases)
|
|
!= 0)
|
|
exit (77);
|
|
|
|
while (num_cases-- > 0) {
|
|
TEST_ASSERT_SUCCESS_ERRNO (
|
|
LLVMFuzzerTestOneInput (data[num_cases], len[num_cases]));
|
|
free (data[num_cases]);
|
|
}
|
|
|
|
free (data);
|
|
free (len);
|
|
}
|
|
|
|
int main (int argc, char **argv)
|
|
{
|
|
setup_test_environment ();
|
|
|
|
UNITY_BEGIN ();
|
|
RUN_TEST (test_connect_curve_fuzzer);
|
|
|
|
return UNITY_END ();
|
|
}
|
|
#endif
|