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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
// Original author: ekr@rtfm.com
extern "C" {
#include "nr_api.h"
#include "nr_socket.h"
#include "nr_socket_buffered_stun.h"
#include "transport_addr.h"
}
#include "stun_msg.h"
#include "dummysocket.h"
#include "nr_socket_prsock.h"
#define GTEST_HAS_RTTI 0
#include "gtest/gtest.h"
#include "gtest_utils.h"
using namespace mozilla;
static uint8_t kStunMessage[] = {0x00, 0x01, 0x00, 0x08, 0x21, 0x12, 0xa4,
0x42, 0x9b, 0x90, 0xbe, 0x2c, 0xae, 0x1a,
0x0c, 0xa8, 0xa0, 0xd6, 0x8b, 0x08, 0x80,
0x28, 0x00, 0x04, 0xdb, 0x35, 0x5f, 0xaa};
static size_t kStunMessageLen = sizeof(kStunMessage);
class BufferedStunSocketTest : public MtransportTest {
public:
BufferedStunSocketTest() : dummy_(nullptr), test_socket_(nullptr) {}
~BufferedStunSocketTest() { nr_socket_destroy(&test_socket_); }
void SetUp() override {
MtransportTest::SetUp();
RefPtr<DummySocket> dummy(new DummySocket());
int r =
nr_socket_buffered_stun_create(dummy->get_nr_socket(), kStunMessageLen,
TURN_TCP_FRAMING, &test_socket_);
ASSERT_EQ(0, r);
dummy_ = std::move(dummy); // Now owned by test_socket_.
r = nr_str_port_to_transport_addr((char*)"192.0.2.133", 3333, IPPROTO_TCP,
&remote_addr_);
ASSERT_EQ(0, r);
r = nr_socket_connect(test_socket_, &remote_addr_);
ASSERT_EQ(0, r);
}
nr_socket* socket() { return test_socket_; }
protected:
RefPtr<DummySocket> dummy_;
nr_socket* test_socket_;
nr_transport_addr remote_addr_;
};
TEST_F(BufferedStunSocketTest, TestCreate) {}
TEST_F(BufferedStunSocketTest, TestSendTo) {
int r = nr_socket_sendto(test_socket_, kStunMessage, kStunMessageLen, 0,
&remote_addr_);
ASSERT_EQ(0, r);
dummy_->CheckWriteBuffer(kStunMessage, kStunMessageLen);
}
TEST_F(BufferedStunSocketTest, TestSendToBuffered) {
dummy_->SetWritable(0);
int r = nr_socket_sendto(test_socket_, kStunMessage, kStunMessageLen, 0,
&remote_addr_);
ASSERT_EQ(0, r);
dummy_->CheckWriteBuffer(nullptr, 0);
dummy_->SetWritable(kStunMessageLen);
dummy_->FireWritableCb();
dummy_->CheckWriteBuffer(kStunMessage, kStunMessageLen);
}
TEST_F(BufferedStunSocketTest, TestSendFullThenDrain) {
dummy_->SetWritable(0);
for (;;) {
int r = nr_socket_sendto(test_socket_, kStunMessage, kStunMessageLen, 0,
&remote_addr_);
if (r == R_WOULDBLOCK) break;
ASSERT_EQ(0, r);
}
// Nothing was written.
dummy_->CheckWriteBuffer(nullptr, 0);
// Now flush.
dummy_->SetWritable(kStunMessageLen);
dummy_->FireWritableCb();
dummy_->ClearWriteBuffer();
// Verify we can write something.
int r = nr_socket_sendto(test_socket_, kStunMessage, kStunMessageLen, 0,
&remote_addr_);
ASSERT_EQ(0, r);
// And that it appears.
dummy_->CheckWriteBuffer(kStunMessage, kStunMessageLen);
}
TEST_F(BufferedStunSocketTest, TestSendToPartialBuffered) {
dummy_->SetWritable(10);
int r = nr_socket_sendto(test_socket_, kStunMessage, kStunMessageLen, 0,
&remote_addr_);
ASSERT_EQ(0, r);
dummy_->CheckWriteBuffer(kStunMessage, 10);
dummy_->ClearWriteBuffer();
dummy_->SetWritable(kStunMessageLen);
dummy_->FireWritableCb();
dummy_->CheckWriteBuffer(kStunMessage + 10, kStunMessageLen - 10);
}
TEST_F(BufferedStunSocketTest, TestSendToReject) {
dummy_->SetWritable(0);
int r = nr_socket_sendto(test_socket_, kStunMessage, kStunMessageLen, 0,
&remote_addr_);
ASSERT_EQ(0, r);
dummy_->CheckWriteBuffer(nullptr, 0);
r = nr_socket_sendto(test_socket_, kStunMessage, kStunMessageLen, 0,
&remote_addr_);
ASSERT_EQ(R_WOULDBLOCK, r);
dummy_->CheckWriteBuffer(nullptr, 0);
}
TEST_F(BufferedStunSocketTest, TestSendToWrongAddr) {
nr_transport_addr addr;
int r = nr_str_port_to_transport_addr((char*)"192.0.2.134", 3333, IPPROTO_TCP,
&addr);
ASSERT_EQ(0, r);
r = nr_socket_sendto(test_socket_, kStunMessage, kStunMessageLen, 0, &addr);
ASSERT_EQ(R_BAD_DATA, r);
}
TEST_F(BufferedStunSocketTest, TestReceiveRecvFrom) {
dummy_->SetReadBuffer(kStunMessage, kStunMessageLen);
unsigned char tmp[2048];
size_t len;
nr_transport_addr addr;
int r = nr_socket_recvfrom(test_socket_, tmp, sizeof(tmp), &len, 0, &addr);
ASSERT_EQ(0, r);
ASSERT_EQ(kStunMessageLen, len);
ASSERT_EQ(0, memcmp(kStunMessage, tmp, kStunMessageLen));
ASSERT_EQ(0, nr_transport_addr_cmp(&addr, &remote_addr_,
NR_TRANSPORT_ADDR_CMP_MODE_ALL));
}
TEST_F(BufferedStunSocketTest, TestReceiveRecvFromPartial) {
dummy_->SetReadBuffer(kStunMessage, 15);
unsigned char tmp[2048];
size_t len;
nr_transport_addr addr;
int r = nr_socket_recvfrom(test_socket_, tmp, sizeof(tmp), &len, 0, &addr);
ASSERT_EQ(R_WOULDBLOCK, r);
dummy_->SetReadBuffer(kStunMessage + 15, kStunMessageLen - 15);
r = nr_socket_recvfrom(test_socket_, tmp, sizeof(tmp), &len, 0, &addr);
ASSERT_EQ(0, r);
ASSERT_EQ(kStunMessageLen, len);
ASSERT_EQ(0, memcmp(kStunMessage, tmp, kStunMessageLen));
ASSERT_EQ(0, nr_transport_addr_cmp(&addr, &remote_addr_,
NR_TRANSPORT_ADDR_CMP_MODE_ALL));
r = nr_socket_recvfrom(test_socket_, tmp, sizeof(tmp), &len, 0, &addr);
ASSERT_EQ(R_WOULDBLOCK, r);
}
TEST_F(BufferedStunSocketTest, TestReceiveRecvFromGarbage) {
uint8_t garbage[50];
memset(garbage, 0xff, sizeof(garbage));
dummy_->SetReadBuffer(garbage, sizeof(garbage));
unsigned char tmp[2048];
size_t len;
nr_transport_addr addr;
int r = nr_socket_recvfrom(test_socket_, tmp, sizeof(tmp), &len, 0, &addr);
ASSERT_EQ(R_BAD_DATA, r);
r = nr_socket_recvfrom(test_socket_, tmp, sizeof(tmp), &len, 0, &addr);
ASSERT_EQ(R_FAILED, r);
}
TEST_F(BufferedStunSocketTest, TestReceiveRecvFromTooShort) {
dummy_->SetReadBuffer(kStunMessage, kStunMessageLen);
unsigned char tmp[2048];
size_t len;
nr_transport_addr addr;
int r = nr_socket_recvfrom(test_socket_, tmp, kStunMessageLen - 1, &len, 0,
&addr);
ASSERT_EQ(R_BAD_ARGS, r);
}
TEST_F(BufferedStunSocketTest, TestReceiveRecvFromReallyLong) {
uint8_t garbage[4096];
memset(garbage, 0xff, sizeof(garbage));
memcpy(garbage, kStunMessage, kStunMessageLen);
nr_stun_message_header* hdr =
reinterpret_cast<nr_stun_message_header*>(garbage);
hdr->length = htons(3000);
dummy_->SetReadBuffer(garbage, sizeof(garbage));
unsigned char tmp[4096];
size_t len;
nr_transport_addr addr;
int r = nr_socket_recvfrom(test_socket_, tmp, kStunMessageLen - 1, &len, 0,
&addr);
ASSERT_EQ(R_BAD_DATA, r);
}