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webrtc/talk/p2p/base/port_unittest.cc
mallinath@webrtc.org 1112c30e1e Update libjingle to 53057474. 
R=wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2274004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4818 4adac7df-926f-26a2-2b94-8c16560cd09d
2013-09-23 20:34:45 +00:00

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/*
* libjingle
* Copyright 2004 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "talk/base/crc32.h"
#include "talk/base/gunit.h"
#include "talk/base/helpers.h"
#include "talk/base/logging.h"
#include "talk/base/natserver.h"
#include "talk/base/natsocketfactory.h"
#include "talk/base/physicalsocketserver.h"
#include "talk/base/scoped_ptr.h"
#include "talk/base/socketaddress.h"
#include "talk/base/stringutils.h"
#include "talk/base/thread.h"
#include "talk/base/virtualsocketserver.h"
#include "talk/p2p/base/basicpacketsocketfactory.h"
#include "talk/p2p/base/portproxy.h"
#include "talk/p2p/base/relayport.h"
#include "talk/p2p/base/stunport.h"
#include "talk/p2p/base/tcpport.h"
#include "talk/p2p/base/testrelayserver.h"
#include "talk/p2p/base/teststunserver.h"
#include "talk/p2p/base/testturnserver.h"
#include "talk/p2p/base/transport.h"
#include "talk/p2p/base/turnport.h"
using talk_base::AsyncPacketSocket;
using talk_base::ByteBuffer;
using talk_base::NATType;
using talk_base::NAT_OPEN_CONE;
using talk_base::NAT_ADDR_RESTRICTED;
using talk_base::NAT_PORT_RESTRICTED;
using talk_base::NAT_SYMMETRIC;
using talk_base::PacketSocketFactory;
using talk_base::scoped_ptr;
using talk_base::Socket;
using talk_base::SocketAddress;
using namespace cricket;
static const int kTimeout = 1000;
static const SocketAddress kLocalAddr1("192.168.1.2", 0);
static const SocketAddress kLocalAddr2("192.168.1.3", 0);
static const SocketAddress kNatAddr1("77.77.77.77", talk_base::NAT_SERVER_PORT);
static const SocketAddress kNatAddr2("88.88.88.88", talk_base::NAT_SERVER_PORT);
static const SocketAddress kStunAddr("99.99.99.1", STUN_SERVER_PORT);
static const SocketAddress kRelayUdpIntAddr("99.99.99.2", 5000);
static const SocketAddress kRelayUdpExtAddr("99.99.99.3", 5001);
static const SocketAddress kRelayTcpIntAddr("99.99.99.2", 5002);
static const SocketAddress kRelayTcpExtAddr("99.99.99.3", 5003);
static const SocketAddress kRelaySslTcpIntAddr("99.99.99.2", 5004);
static const SocketAddress kRelaySslTcpExtAddr("99.99.99.3", 5005);
static const SocketAddress kTurnUdpIntAddr("99.99.99.4", STUN_SERVER_PORT);
static const SocketAddress kTurnUdpExtAddr("99.99.99.5", 0);
static const RelayCredentials kRelayCredentials("test", "test");
// TODO: Update these when RFC5245 is completely supported.
// Magic value of 30 is from RFC3484, for IPv4 addresses.
static const uint32 kDefaultPrflxPriority = ICE_TYPE_PREFERENCE_PRFLX << 24 |
30 << 8 | (256 - ICE_CANDIDATE_COMPONENT_DEFAULT);
static const int STUN_ERROR_BAD_REQUEST_AS_GICE =
STUN_ERROR_BAD_REQUEST / 256 * 100 + STUN_ERROR_BAD_REQUEST % 256;
static const int STUN_ERROR_UNAUTHORIZED_AS_GICE =
STUN_ERROR_UNAUTHORIZED / 256 * 100 + STUN_ERROR_UNAUTHORIZED % 256;
static const int STUN_ERROR_SERVER_ERROR_AS_GICE =
STUN_ERROR_SERVER_ERROR / 256 * 100 + STUN_ERROR_SERVER_ERROR % 256;
static const int kTiebreaker1 = 11111;
static const int kTiebreaker2 = 22222;
static Candidate GetCandidate(Port* port) {
assert(port->Candidates().size() == 1);
return port->Candidates()[0];
}
static SocketAddress GetAddress(Port* port) {
return GetCandidate(port).address();
}
static IceMessage* CopyStunMessage(const IceMessage* src) {
IceMessage* dst = new IceMessage();
ByteBuffer buf;
src->Write(&buf);
dst->Read(&buf);
return dst;
}
static bool WriteStunMessage(const StunMessage* msg, ByteBuffer* buf) {
buf->Resize(0); // clear out any existing buffer contents
return msg->Write(buf);
}
// Stub port class for testing STUN generation and processing.
class TestPort : public Port {
public:
TestPort(talk_base::Thread* thread, const std::string& type,
talk_base::PacketSocketFactory* factory, talk_base::Network* network,
const talk_base::IPAddress& ip, int min_port, int max_port,
const std::string& username_fragment, const std::string& password)
: Port(thread, type, factory, network, ip,
min_port, max_port, username_fragment, password) {
}
~TestPort() {}
// Expose GetStunMessage so that we can test it.
using cricket::Port::GetStunMessage;
// The last StunMessage that was sent on this Port.
// TODO: Make these const; requires changes to SendXXXXResponse.
ByteBuffer* last_stun_buf() { return last_stun_buf_.get(); }
IceMessage* last_stun_msg() { return last_stun_msg_.get(); }
int last_stun_error_code() {
int code = 0;
if (last_stun_msg_) {
const StunErrorCodeAttribute* error_attr = last_stun_msg_->GetErrorCode();
if (error_attr) {
code = error_attr->code();
}
}
return code;
}
virtual void PrepareAddress() {
talk_base::SocketAddress addr(ip(), min_port());
AddAddress(addr, addr, "udp", Type(), ICE_TYPE_PREFERENCE_HOST, true);
}
// Exposed for testing candidate building.
void AddCandidateAddress(const talk_base::SocketAddress& addr) {
AddAddress(addr, addr, "udp", Type(), type_preference_, false);
}
void AddCandidateAddress(const talk_base::SocketAddress& addr,
const talk_base::SocketAddress& base_address,
const std::string& type,
int type_preference,
bool final) {
AddAddress(addr, base_address, "udp", type,
type_preference, final);
}
virtual Connection* CreateConnection(const Candidate& remote_candidate,
CandidateOrigin origin) {
Connection* conn = new ProxyConnection(this, 0, remote_candidate);
AddConnection(conn);
// Set use-candidate attribute flag as this will add USE-CANDIDATE attribute
// in STUN binding requests.
conn->set_use_candidate_attr(true);
return conn;
}
virtual int SendTo(
const void* data, size_t size, const talk_base::SocketAddress& addr,
talk_base::DiffServCodePoint dscp, bool payload) {
if (!payload) {
IceMessage* msg = new IceMessage;
ByteBuffer* buf = new ByteBuffer(static_cast<const char*>(data), size);
ByteBuffer::ReadPosition pos(buf->GetReadPosition());
if (!msg->Read(buf)) {
delete msg;
delete buf;
return -1;
}
buf->SetReadPosition(pos);
last_stun_buf_.reset(buf);
last_stun_msg_.reset(msg);
}
return static_cast<int>(size);
}
virtual int SetOption(talk_base::Socket::Option opt, int value) {
return 0;
}
virtual int GetOption(talk_base::Socket::Option opt, int* value) {
return -1;
}
virtual int GetError() {
return 0;
}
void Reset() {
last_stun_buf_.reset();
last_stun_msg_.reset();
}
void set_type_preference(int type_preference) {
type_preference_ = type_preference;
}
private:
talk_base::scoped_ptr<ByteBuffer> last_stun_buf_;
talk_base::scoped_ptr<IceMessage> last_stun_msg_;
int type_preference_;
};
class TestChannel : public sigslot::has_slots<> {
public:
TestChannel(Port* p1, Port* p2)
: ice_mode_(ICEMODE_FULL), src_(p1), dst_(p2), complete_count_(0),
conn_(NULL), remote_request_(NULL), nominated_(false) {
src_->SignalPortComplete.connect(
this, &TestChannel::OnPortComplete);
src_->SignalUnknownAddress.connect(this, &TestChannel::OnUnknownAddress);
}
int complete_count() { return complete_count_; }
Connection* conn() { return conn_; }
const SocketAddress& remote_address() { return remote_address_; }
const std::string remote_fragment() { return remote_frag_; }
void Start() {
src_->PrepareAddress();
}
void CreateConnection() {
conn_ = src_->CreateConnection(GetCandidate(dst_), Port::ORIGIN_MESSAGE);
IceMode remote_ice_mode =
(ice_mode_ == ICEMODE_FULL) ? ICEMODE_LITE : ICEMODE_FULL;
conn_->set_remote_ice_mode(remote_ice_mode);
conn_->set_use_candidate_attr(remote_ice_mode == ICEMODE_FULL);
conn_->SignalStateChange.connect(
this, &TestChannel::OnConnectionStateChange);
}
void OnConnectionStateChange(Connection* conn) {
if (conn->write_state() == Connection::STATE_WRITABLE) {
conn->set_use_candidate_attr(true);
nominated_ = true;
}
}
void AcceptConnection() {
ASSERT_TRUE(remote_request_.get() != NULL);
Candidate c = GetCandidate(dst_);
c.set_address(remote_address_);
conn_ = src_->CreateConnection(c, Port::ORIGIN_MESSAGE);
src_->SendBindingResponse(remote_request_.get(), remote_address_);
remote_request_.reset();
}
void Ping() {
Ping(0);
}
void Ping(uint32 now) {
conn_->Ping(now);
}
void Stop() {
conn_->SignalDestroyed.connect(this, &TestChannel::OnDestroyed);
conn_->Destroy();
}
void OnPortComplete(Port* port) {
complete_count_++;
}
void SetIceMode(IceMode ice_mode) {
ice_mode_ = ice_mode;
}
void OnUnknownAddress(PortInterface* port, const SocketAddress& addr,
ProtocolType proto,
IceMessage* msg, const std::string& rf,
bool /*port_muxed*/) {
ASSERT_EQ(src_.get(), port);
if (!remote_address_.IsNil()) {
ASSERT_EQ(remote_address_, addr);
}
// MI and PRIORITY attribute should be present in ping requests when port
// is in ICEPROTO_RFC5245 mode.
const cricket::StunUInt32Attribute* priority_attr =
msg->GetUInt32(STUN_ATTR_PRIORITY);
const cricket::StunByteStringAttribute* mi_attr =
msg->GetByteString(STUN_ATTR_MESSAGE_INTEGRITY);
const cricket::StunUInt32Attribute* fingerprint_attr =
msg->GetUInt32(STUN_ATTR_FINGERPRINT);
if (src_->IceProtocol() == cricket::ICEPROTO_RFC5245) {
EXPECT_TRUE(priority_attr != NULL);
EXPECT_TRUE(mi_attr != NULL);
EXPECT_TRUE(fingerprint_attr != NULL);
} else {
EXPECT_TRUE(priority_attr == NULL);
EXPECT_TRUE(mi_attr == NULL);
EXPECT_TRUE(fingerprint_attr == NULL);
}
remote_address_ = addr;
remote_request_.reset(CopyStunMessage(msg));
remote_frag_ = rf;
}
void OnDestroyed(Connection* conn) {
ASSERT_EQ(conn_, conn);
conn_ = NULL;
}
bool nominated() const { return nominated_; }
private:
IceMode ice_mode_;
talk_base::scoped_ptr<Port> src_;
Port* dst_;
int complete_count_;
Connection* conn_;
SocketAddress remote_address_;
talk_base::scoped_ptr<StunMessage> remote_request_;
std::string remote_frag_;
bool nominated_;
};
class PortTest : public testing::Test, public sigslot::has_slots<> {
public:
PortTest()
: main_(talk_base::Thread::Current()),
pss_(new talk_base::PhysicalSocketServer),
ss_(new talk_base::VirtualSocketServer(pss_.get())),
ss_scope_(ss_.get()),
network_("unittest", "unittest", talk_base::IPAddress(INADDR_ANY), 32),
socket_factory_(talk_base::Thread::Current()),
nat_factory1_(ss_.get(), kNatAddr1),
nat_factory2_(ss_.get(), kNatAddr2),
nat_socket_factory1_(&nat_factory1_),
nat_socket_factory2_(&nat_factory2_),
stun_server_(main_, kStunAddr),
turn_server_(main_, kTurnUdpIntAddr, kTurnUdpExtAddr),
relay_server_(main_, kRelayUdpIntAddr, kRelayUdpExtAddr,
kRelayTcpIntAddr, kRelayTcpExtAddr,
kRelaySslTcpIntAddr, kRelaySslTcpExtAddr),
username_(talk_base::CreateRandomString(ICE_UFRAG_LENGTH)),
password_(talk_base::CreateRandomString(ICE_PWD_LENGTH)),
ice_protocol_(cricket::ICEPROTO_GOOGLE),
role_conflict_(false) {
network_.AddIP(talk_base::IPAddress(INADDR_ANY));
}
protected:
static void SetUpTestCase() {
// Ensure the RNG is inited.
talk_base::InitRandom(NULL, 0);
}
void TestLocalToLocal() {
Port* port1 = CreateUdpPort(kLocalAddr1);
Port* port2 = CreateUdpPort(kLocalAddr2);
TestConnectivity("udp", port1, "udp", port2, true, true, true, true);
}
void TestLocalToStun(NATType ntype) {
Port* port1 = CreateUdpPort(kLocalAddr1);
nat_server2_.reset(CreateNatServer(kNatAddr2, ntype));
Port* port2 = CreateStunPort(kLocalAddr2, &nat_socket_factory2_);
TestConnectivity("udp", port1, StunName(ntype), port2,
ntype == NAT_OPEN_CONE, true,
ntype != NAT_SYMMETRIC, true);
}
void TestLocalToRelay(RelayType rtype, ProtocolType proto) {
Port* port1 = CreateUdpPort(kLocalAddr1);
Port* port2 = CreateRelayPort(kLocalAddr2, rtype, proto, PROTO_UDP);
TestConnectivity("udp", port1, RelayName(rtype, proto), port2,
rtype == RELAY_GTURN, true, true, true);
}
void TestStunToLocal(NATType ntype) {
nat_server1_.reset(CreateNatServer(kNatAddr1, ntype));
Port* port1 = CreateStunPort(kLocalAddr1, &nat_socket_factory1_);
Port* port2 = CreateUdpPort(kLocalAddr2);
TestConnectivity(StunName(ntype), port1, "udp", port2,
true, ntype != NAT_SYMMETRIC, true, true);
}
void TestStunToStun(NATType ntype1, NATType ntype2) {
nat_server1_.reset(CreateNatServer(kNatAddr1, ntype1));
Port* port1 = CreateStunPort(kLocalAddr1, &nat_socket_factory1_);
nat_server2_.reset(CreateNatServer(kNatAddr2, ntype2));
Port* port2 = CreateStunPort(kLocalAddr2, &nat_socket_factory2_);
TestConnectivity(StunName(ntype1), port1, StunName(ntype2), port2,
ntype2 == NAT_OPEN_CONE,
ntype1 != NAT_SYMMETRIC, ntype2 != NAT_SYMMETRIC,
ntype1 + ntype2 < (NAT_PORT_RESTRICTED + NAT_SYMMETRIC));
}
void TestStunToRelay(NATType ntype, RelayType rtype, ProtocolType proto) {
nat_server1_.reset(CreateNatServer(kNatAddr1, ntype));
Port* port1 = CreateStunPort(kLocalAddr1, &nat_socket_factory1_);
Port* port2 = CreateRelayPort(kLocalAddr2, rtype, proto, PROTO_UDP);
TestConnectivity(StunName(ntype), port1, RelayName(rtype, proto), port2,
rtype == RELAY_GTURN, ntype != NAT_SYMMETRIC, true, true);
}
void TestTcpToTcp() {
Port* port1 = CreateTcpPort(kLocalAddr1);
Port* port2 = CreateTcpPort(kLocalAddr2);
TestConnectivity("tcp", port1, "tcp", port2, true, false, true, true);
}
void TestTcpToRelay(RelayType rtype, ProtocolType proto) {
Port* port1 = CreateTcpPort(kLocalAddr1);
Port* port2 = CreateRelayPort(kLocalAddr2, rtype, proto, PROTO_TCP);
TestConnectivity("tcp", port1, RelayName(rtype, proto), port2,
rtype == RELAY_GTURN, false, true, true);
}
void TestSslTcpToRelay(RelayType rtype, ProtocolType proto) {
Port* port1 = CreateTcpPort(kLocalAddr1);
Port* port2 = CreateRelayPort(kLocalAddr2, rtype, proto, PROTO_SSLTCP);
TestConnectivity("ssltcp", port1, RelayName(rtype, proto), port2,
rtype == RELAY_GTURN, false, true, true);
}
// helpers for above functions
UDPPort* CreateUdpPort(const SocketAddress& addr) {
return CreateUdpPort(addr, &socket_factory_);
}
UDPPort* CreateUdpPort(const SocketAddress& addr,
PacketSocketFactory* socket_factory) {
UDPPort* port = UDPPort::Create(main_, socket_factory, &network_,
addr.ipaddr(), 0, 0, username_, password_);
port->SetIceProtocolType(ice_protocol_);
return port;
}
TCPPort* CreateTcpPort(const SocketAddress& addr) {
TCPPort* port = CreateTcpPort(addr, &socket_factory_);
port->SetIceProtocolType(ice_protocol_);
return port;
}
TCPPort* CreateTcpPort(const SocketAddress& addr,
PacketSocketFactory* socket_factory) {
TCPPort* port = TCPPort::Create(main_, socket_factory, &network_,
addr.ipaddr(), 0, 0, username_, password_,
true);
port->SetIceProtocolType(ice_protocol_);
return port;
}
StunPort* CreateStunPort(const SocketAddress& addr,
talk_base::PacketSocketFactory* factory) {
StunPort* port = StunPort::Create(main_, factory, &network_,
addr.ipaddr(), 0, 0,
username_, password_, kStunAddr);
port->SetIceProtocolType(ice_protocol_);
return port;
}
Port* CreateRelayPort(const SocketAddress& addr, RelayType rtype,
ProtocolType int_proto, ProtocolType ext_proto) {
if (rtype == RELAY_TURN) {
return CreateTurnPort(addr, &socket_factory_, int_proto, ext_proto);
} else {
return CreateGturnPort(addr, int_proto, ext_proto);
}
}
TurnPort* CreateTurnPort(const SocketAddress& addr,
PacketSocketFactory* socket_factory,
ProtocolType int_proto, ProtocolType ext_proto) {
TurnPort* port = TurnPort::Create(main_, socket_factory, &network_,
addr.ipaddr(), 0, 0,
username_, password_, ProtocolAddress(
kTurnUdpIntAddr, PROTO_UDP),
kRelayCredentials);
port->SetIceProtocolType(ice_protocol_);
return port;
}
RelayPort* CreateGturnPort(const SocketAddress& addr,
ProtocolType int_proto, ProtocolType ext_proto) {
RelayPort* port = CreateGturnPort(addr);
SocketAddress addrs[] =
{ kRelayUdpIntAddr, kRelayTcpIntAddr, kRelaySslTcpIntAddr };
port->AddServerAddress(ProtocolAddress(addrs[int_proto], int_proto));
return port;
}
RelayPort* CreateGturnPort(const SocketAddress& addr) {
RelayPort* port = RelayPort::Create(main_, &socket_factory_, &network_,
addr.ipaddr(), 0, 0,
username_, password_);
// TODO: Add an external address for ext_proto, so that the
// other side can connect to this port using a non-UDP protocol.
port->SetIceProtocolType(ice_protocol_);
return port;
}
talk_base::NATServer* CreateNatServer(const SocketAddress& addr,
talk_base::NATType type) {
return new talk_base::NATServer(type, ss_.get(), addr, ss_.get(), addr);
}
static const char* StunName(NATType type) {
switch (type) {
case NAT_OPEN_CONE: return "stun(open cone)";
case NAT_ADDR_RESTRICTED: return "stun(addr restricted)";
case NAT_PORT_RESTRICTED: return "stun(port restricted)";
case NAT_SYMMETRIC: return "stun(symmetric)";
default: return "stun(?)";
}
}
static const char* RelayName(RelayType type, ProtocolType proto) {
if (type == RELAY_TURN) {
switch (proto) {
case PROTO_UDP: return "turn(udp)";
case PROTO_TCP: return "turn(tcp)";
case PROTO_SSLTCP: return "turn(ssltcp)";
default: return "turn(?)";
}
} else {
switch (proto) {
case PROTO_UDP: return "gturn(udp)";
case PROTO_TCP: return "gturn(tcp)";
case PROTO_SSLTCP: return "gturn(ssltcp)";
default: return "gturn(?)";
}
}
}
void TestCrossFamilyPorts(int type);
// this does all the work
void TestConnectivity(const char* name1, Port* port1,
const char* name2, Port* port2,
bool accept, bool same_addr1,
bool same_addr2, bool possible);
void SetIceProtocolType(cricket::IceProtocolType protocol) {
ice_protocol_ = protocol;
}
IceMessage* CreateStunMessage(int type) {
IceMessage* msg = new IceMessage();
msg->SetType(type);
msg->SetTransactionID("TESTTESTTEST");
return msg;
}
IceMessage* CreateStunMessageWithUsername(int type,
const std::string& username) {
IceMessage* msg = CreateStunMessage(type);
msg->AddAttribute(
new StunByteStringAttribute(STUN_ATTR_USERNAME, username));
return msg;
}
TestPort* CreateTestPort(const talk_base::SocketAddress& addr,
const std::string& username,
const std::string& password) {
TestPort* port = new TestPort(main_, "test", &socket_factory_, &network_,
addr.ipaddr(), 0, 0, username, password);
port->SignalRoleConflict.connect(this, &PortTest::OnRoleConflict);
return port;
}
TestPort* CreateTestPort(const talk_base::SocketAddress& addr,
const std::string& username,
const std::string& password,
cricket::IceProtocolType type,
cricket::IceRole role,
int tiebreaker) {
TestPort* port = CreateTestPort(addr, username, password);
port->SetIceProtocolType(type);
port->SetIceRole(role);
port->SetIceTiebreaker(tiebreaker);
return port;
}
void OnRoleConflict(PortInterface* port) {
role_conflict_ = true;
}
bool role_conflict() const { return role_conflict_; }
talk_base::BasicPacketSocketFactory* nat_socket_factory1() {
return &nat_socket_factory1_;
}
private:
talk_base::Thread* main_;
talk_base::scoped_ptr<talk_base::PhysicalSocketServer> pss_;
talk_base::scoped_ptr<talk_base::VirtualSocketServer> ss_;
talk_base::SocketServerScope ss_scope_;
talk_base::Network network_;
talk_base::BasicPacketSocketFactory socket_factory_;
talk_base::scoped_ptr<talk_base::NATServer> nat_server1_;
talk_base::scoped_ptr<talk_base::NATServer> nat_server2_;
talk_base::NATSocketFactory nat_factory1_;
talk_base::NATSocketFactory nat_factory2_;
talk_base::BasicPacketSocketFactory nat_socket_factory1_;
talk_base::BasicPacketSocketFactory nat_socket_factory2_;
TestStunServer stun_server_;
TestTurnServer turn_server_;
TestRelayServer relay_server_;
std::string username_;
std::string password_;
cricket::IceProtocolType ice_protocol_;
bool role_conflict_;
};
void PortTest::TestConnectivity(const char* name1, Port* port1,
const char* name2, Port* port2,
bool accept, bool same_addr1,
bool same_addr2, bool possible) {
LOG(LS_INFO) << "Test: " << name1 << " to " << name2 << ": ";
port1->set_component(cricket::ICE_CANDIDATE_COMPONENT_DEFAULT);
port2->set_component(cricket::ICE_CANDIDATE_COMPONENT_DEFAULT);
// Set up channels.
TestChannel ch1(port1, port2);
TestChannel ch2(port2, port1);
EXPECT_EQ(0, ch1.complete_count());
EXPECT_EQ(0, ch2.complete_count());
// Acquire addresses.
ch1.Start();
ch2.Start();
ASSERT_EQ_WAIT(1, ch1.complete_count(), kTimeout);
ASSERT_EQ_WAIT(1, ch2.complete_count(), kTimeout);
// Send a ping from src to dst. This may or may not make it.
ch1.CreateConnection();
ASSERT_TRUE(ch1.conn() != NULL);
EXPECT_TRUE_WAIT(ch1.conn()->connected(), kTimeout); // for TCP connect
ch1.Ping();
WAIT(!ch2.remote_address().IsNil(), kTimeout);
if (accept) {
// We are able to send a ping from src to dst. This is the case when
// sending to UDP ports and cone NATs.
EXPECT_TRUE(ch1.remote_address().IsNil());
EXPECT_EQ(ch2.remote_fragment(), port1->username_fragment());
// Ensure the ping came from the same address used for src.
// This is the case unless the source NAT was symmetric.
if (same_addr1) EXPECT_EQ(ch2.remote_address(), GetAddress(port1));
EXPECT_TRUE(same_addr2);
// Send a ping from dst to src.
ch2.AcceptConnection();
ASSERT_TRUE(ch2.conn() != NULL);
ch2.Ping();
EXPECT_EQ_WAIT(Connection::STATE_WRITABLE, ch2.conn()->write_state(),
kTimeout);
} else {
// We can't send a ping from src to dst, so flip it around. This will happen
// when the destination NAT is addr/port restricted or symmetric.
EXPECT_TRUE(ch1.remote_address().IsNil());
EXPECT_TRUE(ch2.remote_address().IsNil());
// Send a ping from dst to src. Again, this may or may not make it.
ch2.CreateConnection();
ASSERT_TRUE(ch2.conn() != NULL);
ch2.Ping();
WAIT(ch2.conn()->write_state() == Connection::STATE_WRITABLE, kTimeout);
if (same_addr1 && same_addr2) {
// The new ping got back to the source.
EXPECT_EQ(Connection::STATE_READABLE, ch1.conn()->read_state());
EXPECT_EQ(Connection::STATE_WRITABLE, ch2.conn()->write_state());
// First connection may not be writable if the first ping did not get
// through. So we will have to do another.
if (ch1.conn()->write_state() == Connection::STATE_WRITE_INIT) {
ch1.Ping();
EXPECT_EQ_WAIT(Connection::STATE_WRITABLE, ch1.conn()->write_state(),
kTimeout);
}
} else if (!same_addr1 && possible) {
// The new ping went to the candidate address, but that address was bad.
// This will happen when the source NAT is symmetric.
EXPECT_TRUE(ch1.remote_address().IsNil());
EXPECT_TRUE(ch2.remote_address().IsNil());
// However, since we have now sent a ping to the source IP, we should be
// able to get a ping from it. This gives us the real source address.
ch1.Ping();
EXPECT_TRUE_WAIT(!ch2.remote_address().IsNil(), kTimeout);
EXPECT_EQ(Connection::STATE_READ_INIT, ch2.conn()->read_state());
EXPECT_TRUE(ch1.remote_address().IsNil());
// Pick up the actual address and establish the connection.
ch2.AcceptConnection();
ASSERT_TRUE(ch2.conn() != NULL);
ch2.Ping();
EXPECT_EQ_WAIT(Connection::STATE_WRITABLE, ch2.conn()->write_state(),
kTimeout);
} else if (!same_addr2 && possible) {
// The new ping came in, but from an unexpected address. This will happen
// when the destination NAT is symmetric.
EXPECT_FALSE(ch1.remote_address().IsNil());
EXPECT_EQ(Connection::STATE_READ_INIT, ch1.conn()->read_state());
// Update our address and complete the connection.
ch1.AcceptConnection();
ch1.Ping();
EXPECT_EQ_WAIT(Connection::STATE_WRITABLE, ch1.conn()->write_state(),
kTimeout);
} else { // (!possible)
// There should be s no way for the pings to reach each other. Check it.
EXPECT_TRUE(ch1.remote_address().IsNil());
EXPECT_TRUE(ch2.remote_address().IsNil());
ch1.Ping();
WAIT(!ch2.remote_address().IsNil(), kTimeout);
EXPECT_TRUE(ch1.remote_address().IsNil());
EXPECT_TRUE(ch2.remote_address().IsNil());
}
}
// Everything should be good, unless we know the situation is impossible.
ASSERT_TRUE(ch1.conn() != NULL);
ASSERT_TRUE(ch2.conn() != NULL);
if (possible) {
EXPECT_EQ(Connection::STATE_READABLE, ch1.conn()->read_state());
EXPECT_EQ(Connection::STATE_WRITABLE, ch1.conn()->write_state());
EXPECT_EQ(Connection::STATE_READABLE, ch2.conn()->read_state());
EXPECT_EQ(Connection::STATE_WRITABLE, ch2.conn()->write_state());
} else {
EXPECT_NE(Connection::STATE_READABLE, ch1.conn()->read_state());
EXPECT_NE(Connection::STATE_WRITABLE, ch1.conn()->write_state());
EXPECT_NE(Connection::STATE_READABLE, ch2.conn()->read_state());
EXPECT_NE(Connection::STATE_WRITABLE, ch2.conn()->write_state());
}
// Tear down and ensure that goes smoothly.
ch1.Stop();
ch2.Stop();
EXPECT_TRUE_WAIT(ch1.conn() == NULL, kTimeout);
EXPECT_TRUE_WAIT(ch2.conn() == NULL, kTimeout);
}
class FakePacketSocketFactory : public talk_base::PacketSocketFactory {
public:
FakePacketSocketFactory()
: next_udp_socket_(NULL),
next_server_tcp_socket_(NULL),
next_client_tcp_socket_(NULL) {
}
virtual ~FakePacketSocketFactory() { }
virtual AsyncPacketSocket* CreateUdpSocket(
const SocketAddress& address, int min_port, int max_port) {
EXPECT_TRUE(next_udp_socket_ != NULL);
AsyncPacketSocket* result = next_udp_socket_;
next_udp_socket_ = NULL;
return result;
}
virtual AsyncPacketSocket* CreateServerTcpSocket(
const SocketAddress& local_address, int min_port, int max_port,
int opts) {
EXPECT_TRUE(next_server_tcp_socket_ != NULL);
AsyncPacketSocket* result = next_server_tcp_socket_;
next_server_tcp_socket_ = NULL;
return result;
}
// TODO: |proxy_info| and |user_agent| should be set
// per-factory and not when socket is created.
virtual AsyncPacketSocket* CreateClientTcpSocket(
const SocketAddress& local_address, const SocketAddress& remote_address,
const talk_base::ProxyInfo& proxy_info,
const std::string& user_agent, int opts) {
EXPECT_TRUE(next_client_tcp_socket_ != NULL);
AsyncPacketSocket* result = next_client_tcp_socket_;
next_client_tcp_socket_ = NULL;
return result;
}
void set_next_udp_socket(AsyncPacketSocket* next_udp_socket) {
next_udp_socket_ = next_udp_socket;
}
void set_next_server_tcp_socket(AsyncPacketSocket* next_server_tcp_socket) {
next_server_tcp_socket_ = next_server_tcp_socket;
}
void set_next_client_tcp_socket(AsyncPacketSocket* next_client_tcp_socket) {
next_client_tcp_socket_ = next_client_tcp_socket;
}
private:
AsyncPacketSocket* next_udp_socket_;
AsyncPacketSocket* next_server_tcp_socket_;
AsyncPacketSocket* next_client_tcp_socket_;
};
class FakeAsyncPacketSocket : public AsyncPacketSocket {
public:
// Returns current local address. Address may be set to NULL if the
// socket is not bound yet (GetState() returns STATE_BINDING).
virtual SocketAddress GetLocalAddress() const {
return SocketAddress();
}
// Returns remote address. Returns zeroes if this is not a client TCP socket.
virtual SocketAddress GetRemoteAddress() const {
return SocketAddress();
}
// Send a packet.
virtual int Send(const void *pv, size_t cb,
talk_base::DiffServCodePoint dscp) {
return static_cast<int>(cb);
}
virtual int SendTo(const void *pv, size_t cb, const SocketAddress& addr,
talk_base::DiffServCodePoint dscp) {
return static_cast<int>(cb);
}
virtual int Close() {
return 0;
}
virtual State GetState() const { return state_; }
virtual int GetOption(Socket::Option opt, int* value) { return 0; }
virtual int SetOption(Socket::Option opt, int value) { return 0; }
virtual int GetError() const { return 0; }
virtual void SetError(int error) { }
void set_state(State state) { state_ = state; }
private:
State state_;
};
// Local -> XXXX
TEST_F(PortTest, TestLocalToLocal) {
TestLocalToLocal();
}
TEST_F(PortTest, TestLocalToConeNat) {
TestLocalToStun(NAT_OPEN_CONE);
}
TEST_F(PortTest, TestLocalToARNat) {
TestLocalToStun(NAT_ADDR_RESTRICTED);
}
TEST_F(PortTest, TestLocalToPRNat) {
TestLocalToStun(NAT_PORT_RESTRICTED);
}
TEST_F(PortTest, TestLocalToSymNat) {
TestLocalToStun(NAT_SYMMETRIC);
}
TEST_F(PortTest, TestLocalToTurn) {
TestLocalToRelay(RELAY_TURN, PROTO_UDP);
}
TEST_F(PortTest, TestLocalToGturn) {
TestLocalToRelay(RELAY_GTURN, PROTO_UDP);
}
TEST_F(PortTest, TestLocalToTcpGturn) {
TestLocalToRelay(RELAY_GTURN, PROTO_TCP);
}
TEST_F(PortTest, TestLocalToSslTcpGturn) {
TestLocalToRelay(RELAY_GTURN, PROTO_SSLTCP);
}
// Cone NAT -> XXXX
TEST_F(PortTest, TestConeNatToLocal) {
TestStunToLocal(NAT_OPEN_CONE);
}
TEST_F(PortTest, TestConeNatToConeNat) {
TestStunToStun(NAT_OPEN_CONE, NAT_OPEN_CONE);
}
TEST_F(PortTest, TestConeNatToARNat) {
TestStunToStun(NAT_OPEN_CONE, NAT_ADDR_RESTRICTED);
}
TEST_F(PortTest, TestConeNatToPRNat) {
TestStunToStun(NAT_OPEN_CONE, NAT_PORT_RESTRICTED);
}
TEST_F(PortTest, TestConeNatToSymNat) {
TestStunToStun(NAT_OPEN_CONE, NAT_SYMMETRIC);
}
TEST_F(PortTest, TestConeNatToTurn) {
TestStunToRelay(NAT_OPEN_CONE, RELAY_TURN, PROTO_UDP);
}
TEST_F(PortTest, TestConeNatToGturn) {
TestStunToRelay(NAT_OPEN_CONE, RELAY_GTURN, PROTO_UDP);
}
TEST_F(PortTest, TestConeNatToTcpGturn) {
TestStunToRelay(NAT_OPEN_CONE, RELAY_GTURN, PROTO_TCP);
}
// Address-restricted NAT -> XXXX
TEST_F(PortTest, TestARNatToLocal) {
TestStunToLocal(NAT_ADDR_RESTRICTED);
}
TEST_F(PortTest, TestARNatToConeNat) {
TestStunToStun(NAT_ADDR_RESTRICTED, NAT_OPEN_CONE);
}
TEST_F(PortTest, TestARNatToARNat) {
TestStunToStun(NAT_ADDR_RESTRICTED, NAT_ADDR_RESTRICTED);
}
TEST_F(PortTest, TestARNatToPRNat) {
TestStunToStun(NAT_ADDR_RESTRICTED, NAT_PORT_RESTRICTED);
}
TEST_F(PortTest, TestARNatToSymNat) {
TestStunToStun(NAT_ADDR_RESTRICTED, NAT_SYMMETRIC);
}
TEST_F(PortTest, TestARNatToTurn) {
TestStunToRelay(NAT_ADDR_RESTRICTED, RELAY_TURN, PROTO_UDP);
}
TEST_F(PortTest, TestARNatToGturn) {
TestStunToRelay(NAT_ADDR_RESTRICTED, RELAY_GTURN, PROTO_UDP);
}
TEST_F(PortTest, TestARNATNatToTcpGturn) {
TestStunToRelay(NAT_ADDR_RESTRICTED, RELAY_GTURN, PROTO_TCP);
}
// Port-restricted NAT -> XXXX
TEST_F(PortTest, TestPRNatToLocal) {
TestStunToLocal(NAT_PORT_RESTRICTED);
}
TEST_F(PortTest, TestPRNatToConeNat) {
TestStunToStun(NAT_PORT_RESTRICTED, NAT_OPEN_CONE);
}
TEST_F(PortTest, TestPRNatToARNat) {
TestStunToStun(NAT_PORT_RESTRICTED, NAT_ADDR_RESTRICTED);
}
TEST_F(PortTest, TestPRNatToPRNat) {
TestStunToStun(NAT_PORT_RESTRICTED, NAT_PORT_RESTRICTED);
}
TEST_F(PortTest, TestPRNatToSymNat) {
// Will "fail"
TestStunToStun(NAT_PORT_RESTRICTED, NAT_SYMMETRIC);
}
TEST_F(PortTest, TestPRNatToTurn) {
TestStunToRelay(NAT_PORT_RESTRICTED, RELAY_TURN, PROTO_UDP);
}
TEST_F(PortTest, TestPRNatToGturn) {
TestStunToRelay(NAT_PORT_RESTRICTED, RELAY_GTURN, PROTO_UDP);
}
TEST_F(PortTest, TestPRNatToTcpGturn) {
TestStunToRelay(NAT_PORT_RESTRICTED, RELAY_GTURN, PROTO_TCP);
}
// Symmetric NAT -> XXXX
TEST_F(PortTest, TestSymNatToLocal) {
TestStunToLocal(NAT_SYMMETRIC);
}
TEST_F(PortTest, TestSymNatToConeNat) {
TestStunToStun(NAT_SYMMETRIC, NAT_OPEN_CONE);
}
TEST_F(PortTest, TestSymNatToARNat) {
TestStunToStun(NAT_SYMMETRIC, NAT_ADDR_RESTRICTED);
}
TEST_F(PortTest, TestSymNatToPRNat) {
// Will "fail"
TestStunToStun(NAT_SYMMETRIC, NAT_PORT_RESTRICTED);
}
TEST_F(PortTest, TestSymNatToSymNat) {
// Will "fail"
TestStunToStun(NAT_SYMMETRIC, NAT_SYMMETRIC);
}
TEST_F(PortTest, TestSymNatToTurn) {
TestStunToRelay(NAT_SYMMETRIC, RELAY_TURN, PROTO_UDP);
}
TEST_F(PortTest, TestSymNatToGturn) {
TestStunToRelay(NAT_SYMMETRIC, RELAY_GTURN, PROTO_UDP);
}
TEST_F(PortTest, TestSymNatToTcpGturn) {
TestStunToRelay(NAT_SYMMETRIC, RELAY_GTURN, PROTO_TCP);
}
// Outbound TCP -> XXXX
TEST_F(PortTest, TestTcpToTcp) {
TestTcpToTcp();
}
/* TODO: Enable these once testrelayserver can accept external TCP.
TEST_F(PortTest, TestTcpToTcpRelay) {
TestTcpToRelay(PROTO_TCP);
}
TEST_F(PortTest, TestTcpToSslTcpRelay) {
TestTcpToRelay(PROTO_SSLTCP);
}
*/
// Outbound SSLTCP -> XXXX
/* TODO: Enable these once testrelayserver can accept external SSL.
TEST_F(PortTest, TestSslTcpToTcpRelay) {
TestSslTcpToRelay(PROTO_TCP);
}
TEST_F(PortTest, TestSslTcpToSslTcpRelay) {
TestSslTcpToRelay(PROTO_SSLTCP);
}
*/
// This test case verifies standard ICE features in STUN messages. Currently it
// verifies Message Integrity attribute in STUN messages and username in STUN
// binding request will have colon (":") between remote and local username.
TEST_F(PortTest, TestLocalToLocalAsIce) {
SetIceProtocolType(cricket::ICEPROTO_RFC5245);
UDPPort* port1 = CreateUdpPort(kLocalAddr1);
port1->SetIceRole(cricket::ICEROLE_CONTROLLING);
port1->SetIceTiebreaker(kTiebreaker1);
ASSERT_EQ(cricket::ICEPROTO_RFC5245, port1->IceProtocol());
UDPPort* port2 = CreateUdpPort(kLocalAddr2);
port2->SetIceRole(cricket::ICEROLE_CONTROLLED);
port2->SetIceTiebreaker(kTiebreaker2);
ASSERT_EQ(cricket::ICEPROTO_RFC5245, port2->IceProtocol());
// Same parameters as TestLocalToLocal above.
TestConnectivity("udp", port1, "udp", port2, true, true, true, true);
}
// This test is trying to validate a successful and failure scenario in a
// loopback test when protocol is RFC5245. For success IceTiebreaker, username
// should remain equal to the request generated by the port and role of port
// must be in controlling.
TEST_F(PortTest, TestLoopbackCallAsIce) {
talk_base::scoped_ptr<TestPort> lport(
CreateTestPort(kLocalAddr1, "lfrag", "lpass"));
lport->SetIceProtocolType(ICEPROTO_RFC5245);
lport->SetIceRole(cricket::ICEROLE_CONTROLLING);
lport->SetIceTiebreaker(kTiebreaker1);
lport->PrepareAddress();
ASSERT_FALSE(lport->Candidates().empty());
Connection* conn = lport->CreateConnection(lport->Candidates()[0],
Port::ORIGIN_MESSAGE);
conn->Ping(0);
ASSERT_TRUE_WAIT(lport->last_stun_msg() != NULL, 1000);
IceMessage* msg = lport->last_stun_msg();
EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
conn->OnReadPacket(lport->last_stun_buf()->Data(),
lport->last_stun_buf()->Length());
ASSERT_TRUE_WAIT(lport->last_stun_msg() != NULL, 1000);
msg = lport->last_stun_msg();
EXPECT_EQ(STUN_BINDING_RESPONSE, msg->type());
// If the tiebreaker value is different from port, we expect a error
// response.
lport->Reset();
lport->AddCandidateAddress(kLocalAddr2);
// Creating a different connection as |conn| is in STATE_READABLE.
Connection* conn1 = lport->CreateConnection(lport->Candidates()[1],
Port::ORIGIN_MESSAGE);
conn1->Ping(0);
ASSERT_TRUE_WAIT(lport->last_stun_msg() != NULL, 1000);
msg = lport->last_stun_msg();
EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
talk_base::scoped_ptr<IceMessage> modified_req(
CreateStunMessage(STUN_BINDING_REQUEST));
const StunByteStringAttribute* username_attr = msg->GetByteString(
STUN_ATTR_USERNAME);
modified_req->AddAttribute(new StunByteStringAttribute(
STUN_ATTR_USERNAME, username_attr->GetString()));
// To make sure we receive error response, adding tiebreaker less than
// what's present in request.
modified_req->AddAttribute(new StunUInt64Attribute(
STUN_ATTR_ICE_CONTROLLING, kTiebreaker1 - 1));
modified_req->AddMessageIntegrity("lpass");
modified_req->AddFingerprint();
lport->Reset();
talk_base::scoped_ptr<ByteBuffer> buf(new ByteBuffer());
WriteStunMessage(modified_req.get(), buf.get());
conn1->OnReadPacket(buf->Data(), buf->Length());
ASSERT_TRUE_WAIT(lport->last_stun_msg() != NULL, 1000);
msg = lport->last_stun_msg();
EXPECT_EQ(STUN_BINDING_ERROR_RESPONSE, msg->type());
}
// This test verifies role conflict signal is received when there is
// conflict in the role. In this case both ports are in controlling and
// |rport| has higher tiebreaker value than |lport|. Since |lport| has lower
// value of tiebreaker, when it receives ping request from |rport| it will
// send role conflict signal.
TEST_F(PortTest, TestIceRoleConflict) {
talk_base::scoped_ptr<TestPort> lport(
CreateTestPort(kLocalAddr1, "lfrag", "lpass"));
lport->SetIceProtocolType(ICEPROTO_RFC5245);
lport->SetIceRole(cricket::ICEROLE_CONTROLLING);
lport->SetIceTiebreaker(kTiebreaker1);
talk_base::scoped_ptr<TestPort> rport(
CreateTestPort(kLocalAddr2, "rfrag", "rpass"));
rport->SetIceProtocolType(ICEPROTO_RFC5245);
rport->SetIceRole(cricket::ICEROLE_CONTROLLING);
rport->SetIceTiebreaker(kTiebreaker2);
lport->PrepareAddress();
rport->PrepareAddress();
ASSERT_FALSE(lport->Candidates().empty());
ASSERT_FALSE(rport->Candidates().empty());
Connection* lconn = lport->CreateConnection(rport->Candidates()[0],
Port::ORIGIN_MESSAGE);
Connection* rconn = rport->CreateConnection(lport->Candidates()[0],
Port::ORIGIN_MESSAGE);
rconn->Ping(0);
ASSERT_TRUE_WAIT(rport->last_stun_msg() != NULL, 1000);
IceMessage* msg = rport->last_stun_msg();
EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
// Send rport binding request to lport.
lconn->OnReadPacket(rport->last_stun_buf()->Data(),
rport->last_stun_buf()->Length());
ASSERT_TRUE_WAIT(lport->last_stun_msg() != NULL, 1000);
EXPECT_EQ(STUN_BINDING_RESPONSE, lport->last_stun_msg()->type());
EXPECT_TRUE(role_conflict());
}
TEST_F(PortTest, TestTcpNoDelay) {
TCPPort* port1 = CreateTcpPort(kLocalAddr1);
int option_value = -1;
int success = port1->GetOption(talk_base::Socket::OPT_NODELAY,
&option_value);
ASSERT_EQ(0, success); // GetOption() should complete successfully w/ 0
ASSERT_EQ(1, option_value);
delete port1;
}
TEST_F(PortTest, TestDelayedBindingUdp) {
FakeAsyncPacketSocket *socket = new FakeAsyncPacketSocket();
FakePacketSocketFactory socket_factory;
socket_factory.set_next_udp_socket(socket);
scoped_ptr<UDPPort> port(
CreateUdpPort(kLocalAddr1, &socket_factory));
socket->set_state(AsyncPacketSocket::STATE_BINDING);
port->PrepareAddress();
EXPECT_EQ(0U, port->Candidates().size());
socket->SignalAddressReady(socket, kLocalAddr2);
EXPECT_EQ(1U, port->Candidates().size());
}
TEST_F(PortTest, TestDelayedBindingTcp) {
FakeAsyncPacketSocket *socket = new FakeAsyncPacketSocket();
FakePacketSocketFactory socket_factory;
socket_factory.set_next_server_tcp_socket(socket);
scoped_ptr<TCPPort> port(
CreateTcpPort(kLocalAddr1, &socket_factory));
socket->set_state(AsyncPacketSocket::STATE_BINDING);
port->PrepareAddress();
EXPECT_EQ(0U, port->Candidates().size());
socket->SignalAddressReady(socket, kLocalAddr2);
EXPECT_EQ(1U, port->Candidates().size());
}
void PortTest::TestCrossFamilyPorts(int type) {
FakePacketSocketFactory factory;
scoped_ptr<Port> ports[4];
SocketAddress addresses[4] = {SocketAddress("192.168.1.3", 0),
SocketAddress("192.168.1.4", 0),
SocketAddress("2001:db8::1", 0),
SocketAddress("2001:db8::2", 0)};
for (int i = 0; i < 4; i++) {
FakeAsyncPacketSocket *socket = new FakeAsyncPacketSocket();
if (type == SOCK_DGRAM) {
factory.set_next_udp_socket(socket);
ports[i].reset(CreateUdpPort(addresses[i], &factory));
} else if (type == SOCK_STREAM) {
factory.set_next_server_tcp_socket(socket);
ports[i].reset(CreateTcpPort(addresses[i], &factory));
}
socket->set_state(AsyncPacketSocket::STATE_BINDING);
socket->SignalAddressReady(socket, addresses[i]);
ports[i]->PrepareAddress();
}
// IPv4 Port, connects to IPv6 candidate and then to IPv4 candidate.
if (type == SOCK_STREAM) {
FakeAsyncPacketSocket* clientsocket = new FakeAsyncPacketSocket();
factory.set_next_client_tcp_socket(clientsocket);
}
Connection* c = ports[0]->CreateConnection(GetCandidate(ports[2].get()),
Port::ORIGIN_MESSAGE);
EXPECT_TRUE(NULL == c);
EXPECT_EQ(0U, ports[0]->connections().size());
c = ports[0]->CreateConnection(GetCandidate(ports[1].get()),
Port::ORIGIN_MESSAGE);
EXPECT_FALSE(NULL == c);
EXPECT_EQ(1U, ports[0]->connections().size());
// IPv6 Port, connects to IPv4 candidate and to IPv6 candidate.
if (type == SOCK_STREAM) {
FakeAsyncPacketSocket* clientsocket = new FakeAsyncPacketSocket();
factory.set_next_client_tcp_socket(clientsocket);
}
c = ports[2]->CreateConnection(GetCandidate(ports[0].get()),
Port::ORIGIN_MESSAGE);
EXPECT_TRUE(NULL == c);
EXPECT_EQ(0U, ports[2]->connections().size());
c = ports[2]->CreateConnection(GetCandidate(ports[3].get()),
Port::ORIGIN_MESSAGE);
EXPECT_FALSE(NULL == c);
EXPECT_EQ(1U, ports[2]->connections().size());
}
TEST_F(PortTest, TestSkipCrossFamilyTcp) {
TestCrossFamilyPorts(SOCK_STREAM);
}
TEST_F(PortTest, TestSkipCrossFamilyUdp) {
TestCrossFamilyPorts(SOCK_DGRAM);
}
// This test verifies DSCP value set through SetOption interface can be
// get through DefaultDscpValue.
TEST_F(PortTest, TestDefaultDscpValue) {
talk_base::scoped_ptr<UDPPort> udpport(CreateUdpPort(kLocalAddr1));
udpport->SetOption(talk_base::Socket::OPT_DSCP, talk_base::DSCP_CS6);
EXPECT_EQ(talk_base::DSCP_CS6, udpport->DefaultDscpValue());
talk_base::scoped_ptr<TCPPort> tcpport(CreateTcpPort(kLocalAddr1));
tcpport->SetOption(talk_base::Socket::OPT_DSCP, talk_base::DSCP_AF31);
EXPECT_EQ(talk_base::DSCP_AF31, tcpport->DefaultDscpValue());
talk_base::scoped_ptr<StunPort> stunport(
CreateStunPort(kLocalAddr1, nat_socket_factory1()));
stunport->SetOption(talk_base::Socket::OPT_DSCP, talk_base::DSCP_AF41);
EXPECT_EQ(talk_base::DSCP_AF41, stunport->DefaultDscpValue());
talk_base::scoped_ptr<TurnPort> turnport(CreateTurnPort(
kLocalAddr1, nat_socket_factory1(), PROTO_UDP, PROTO_UDP));
turnport->SetOption(talk_base::Socket::OPT_DSCP, talk_base::DSCP_CS7);
EXPECT_EQ(talk_base::DSCP_CS7, turnport->DefaultDscpValue());
// TODO(mallinath) - Test DSCP through GetOption.
}
// Test sending STUN messages in GICE format.
TEST_F(PortTest, TestSendStunMessageAsGice) {
talk_base::scoped_ptr<TestPort> lport(
CreateTestPort(kLocalAddr1, "lfrag", "lpass"));
talk_base::scoped_ptr<TestPort> rport(
CreateTestPort(kLocalAddr2, "rfrag", "rpass"));
lport->SetIceProtocolType(ICEPROTO_GOOGLE);
rport->SetIceProtocolType(ICEPROTO_GOOGLE);
// Send a fake ping from lport to rport.
lport->PrepareAddress();
rport->PrepareAddress();
ASSERT_FALSE(rport->Candidates().empty());
Connection* conn = lport->CreateConnection(rport->Candidates()[0],
Port::ORIGIN_MESSAGE);
rport->CreateConnection(lport->Candidates()[0], Port::ORIGIN_MESSAGE);
conn->Ping(0);
// Check that it's a proper BINDING-REQUEST.
ASSERT_TRUE_WAIT(lport->last_stun_msg() != NULL, 1000);
IceMessage* msg = lport->last_stun_msg();
EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
EXPECT_FALSE(msg->IsLegacy());
const StunByteStringAttribute* username_attr = msg->GetByteString(
STUN_ATTR_USERNAME);
ASSERT_TRUE(username_attr != NULL);
EXPECT_EQ("rfraglfrag", username_attr->GetString());
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_MESSAGE_INTEGRITY) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_PRIORITY) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_FINGERPRINT) == NULL);
// Save a copy of the BINDING-REQUEST for use below.
talk_base::scoped_ptr<IceMessage> request(CopyStunMessage(msg));
// Respond with a BINDING-RESPONSE.
rport->SendBindingResponse(request.get(), lport->Candidates()[0].address());
msg = rport->last_stun_msg();
ASSERT_TRUE(msg != NULL);
EXPECT_EQ(STUN_BINDING_RESPONSE, msg->type());
EXPECT_FALSE(msg->IsLegacy());
username_attr = msg->GetByteString(STUN_ATTR_USERNAME);
ASSERT_TRUE(username_attr != NULL); // GICE has a username in the response.
EXPECT_EQ("rfraglfrag", username_attr->GetString());
const StunAddressAttribute* addr_attr = msg->GetAddress(
STUN_ATTR_MAPPED_ADDRESS);
ASSERT_TRUE(addr_attr != NULL);
EXPECT_EQ(lport->Candidates()[0].address(), addr_attr->GetAddress());
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_XOR_MAPPED_ADDRESS) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_MESSAGE_INTEGRITY) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_PRIORITY) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_FINGERPRINT) == NULL);
// Respond with a BINDING-ERROR-RESPONSE. This wouldn't happen in real life,
// but we can do it here.
rport->SendBindingErrorResponse(request.get(),
rport->Candidates()[0].address(),
STUN_ERROR_SERVER_ERROR,
STUN_ERROR_REASON_SERVER_ERROR);
msg = rport->last_stun_msg();
ASSERT_TRUE(msg != NULL);
EXPECT_EQ(STUN_BINDING_ERROR_RESPONSE, msg->type());
EXPECT_FALSE(msg->IsLegacy());
username_attr = msg->GetByteString(STUN_ATTR_USERNAME);
ASSERT_TRUE(username_attr != NULL); // GICE has a username in the response.
EXPECT_EQ("rfraglfrag", username_attr->GetString());
const StunErrorCodeAttribute* error_attr = msg->GetErrorCode();
ASSERT_TRUE(error_attr != NULL);
// The GICE wire format for error codes is incorrect.
EXPECT_EQ(STUN_ERROR_SERVER_ERROR_AS_GICE, error_attr->code());
EXPECT_EQ(STUN_ERROR_SERVER_ERROR / 256, error_attr->eclass());
EXPECT_EQ(STUN_ERROR_SERVER_ERROR % 256, error_attr->number());
EXPECT_EQ(std::string(STUN_ERROR_REASON_SERVER_ERROR), error_attr->reason());
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_PRIORITY) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_MESSAGE_INTEGRITY) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_FINGERPRINT) == NULL);
}
// Test sending STUN messages in ICE format.
TEST_F(PortTest, TestSendStunMessageAsIce) {
talk_base::scoped_ptr<TestPort> lport(
CreateTestPort(kLocalAddr1, "lfrag", "lpass"));
talk_base::scoped_ptr<TestPort> rport(
CreateTestPort(kLocalAddr2, "rfrag", "rpass"));
lport->SetIceProtocolType(ICEPROTO_RFC5245);
lport->SetIceRole(cricket::ICEROLE_CONTROLLING);
lport->SetIceTiebreaker(kTiebreaker1);
rport->SetIceProtocolType(ICEPROTO_RFC5245);
rport->SetIceRole(cricket::ICEROLE_CONTROLLED);
rport->SetIceTiebreaker(kTiebreaker2);
// Send a fake ping from lport to rport.
lport->PrepareAddress();
rport->PrepareAddress();
ASSERT_FALSE(rport->Candidates().empty());
Connection* lconn = lport->CreateConnection(
rport->Candidates()[0], Port::ORIGIN_MESSAGE);
Connection* rconn = rport->CreateConnection(
lport->Candidates()[0], Port::ORIGIN_MESSAGE);
lconn->Ping(0);
// Check that it's a proper BINDING-REQUEST.
ASSERT_TRUE_WAIT(lport->last_stun_msg() != NULL, 1000);
IceMessage* msg = lport->last_stun_msg();
EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
EXPECT_FALSE(msg->IsLegacy());
const StunByteStringAttribute* username_attr =
msg->GetByteString(STUN_ATTR_USERNAME);
ASSERT_TRUE(username_attr != NULL);
const StunUInt32Attribute* priority_attr = msg->GetUInt32(STUN_ATTR_PRIORITY);
ASSERT_TRUE(priority_attr != NULL);
EXPECT_EQ(kDefaultPrflxPriority, priority_attr->value());
EXPECT_EQ("rfrag:lfrag", username_attr->GetString());
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_MESSAGE_INTEGRITY) != NULL);
EXPECT_TRUE(StunMessage::ValidateMessageIntegrity(
lport->last_stun_buf()->Data(), lport->last_stun_buf()->Length(),
"rpass"));
const StunUInt64Attribute* ice_controlling_attr =
msg->GetUInt64(STUN_ATTR_ICE_CONTROLLING);
ASSERT_TRUE(ice_controlling_attr != NULL);
EXPECT_EQ(lport->IceTiebreaker(), ice_controlling_attr->value());
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_ICE_CONTROLLED) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_USE_CANDIDATE) != NULL);
EXPECT_TRUE(msg->GetUInt32(STUN_ATTR_FINGERPRINT) != NULL);
EXPECT_TRUE(StunMessage::ValidateFingerprint(
lport->last_stun_buf()->Data(), lport->last_stun_buf()->Length()));
// Request should not include ping count.
ASSERT_TRUE(msg->GetUInt32(STUN_ATTR_RETRANSMIT_COUNT) == NULL);
// Save a copy of the BINDING-REQUEST for use below.
talk_base::scoped_ptr<IceMessage> request(CopyStunMessage(msg));
// Respond with a BINDING-RESPONSE.
rport->SendBindingResponse(request.get(), lport->Candidates()[0].address());
msg = rport->last_stun_msg();
ASSERT_TRUE(msg != NULL);
EXPECT_EQ(STUN_BINDING_RESPONSE, msg->type());
EXPECT_FALSE(msg->IsLegacy());
const StunAddressAttribute* addr_attr = msg->GetAddress(
STUN_ATTR_XOR_MAPPED_ADDRESS);
ASSERT_TRUE(addr_attr != NULL);
EXPECT_EQ(lport->Candidates()[0].address(), addr_attr->GetAddress());
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_MESSAGE_INTEGRITY) != NULL);
EXPECT_TRUE(StunMessage::ValidateMessageIntegrity(
rport->last_stun_buf()->Data(), rport->last_stun_buf()->Length(),
"rpass"));
EXPECT_TRUE(msg->GetUInt32(STUN_ATTR_FINGERPRINT) != NULL);
EXPECT_TRUE(StunMessage::ValidateFingerprint(
lport->last_stun_buf()->Data(), lport->last_stun_buf()->Length()));
// No USERNAME or PRIORITY in ICE responses.
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_USERNAME) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_PRIORITY) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_MAPPED_ADDRESS) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_ICE_CONTROLLING) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_ICE_CONTROLLED) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_USE_CANDIDATE) == NULL);
// Response should not include ping count.
ASSERT_TRUE(msg->GetUInt32(STUN_ATTR_RETRANSMIT_COUNT) == NULL);
// Respond with a BINDING-ERROR-RESPONSE. This wouldn't happen in real life,
// but we can do it here.
rport->SendBindingErrorResponse(request.get(),
lport->Candidates()[0].address(),
STUN_ERROR_SERVER_ERROR,
STUN_ERROR_REASON_SERVER_ERROR);
msg = rport->last_stun_msg();
ASSERT_TRUE(msg != NULL);
EXPECT_EQ(STUN_BINDING_ERROR_RESPONSE, msg->type());
EXPECT_FALSE(msg->IsLegacy());
const StunErrorCodeAttribute* error_attr = msg->GetErrorCode();
ASSERT_TRUE(error_attr != NULL);
EXPECT_EQ(STUN_ERROR_SERVER_ERROR, error_attr->code());
EXPECT_EQ(std::string(STUN_ERROR_REASON_SERVER_ERROR), error_attr->reason());
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_MESSAGE_INTEGRITY) != NULL);
EXPECT_TRUE(StunMessage::ValidateMessageIntegrity(
rport->last_stun_buf()->Data(), rport->last_stun_buf()->Length(),
"rpass"));
EXPECT_TRUE(msg->GetUInt32(STUN_ATTR_FINGERPRINT) != NULL);
EXPECT_TRUE(StunMessage::ValidateFingerprint(
lport->last_stun_buf()->Data(), lport->last_stun_buf()->Length()));
// No USERNAME with ICE.
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_USERNAME) == NULL);
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_PRIORITY) == NULL);
// Testing STUN binding requests from rport --> lport, having ICE_CONTROLLED
// and (incremented) RETRANSMIT_COUNT attributes.
rport->Reset();
rport->set_send_retransmit_count_attribute(true);
rconn->Ping(0);
rconn->Ping(0);
rconn->Ping(0);
ASSERT_TRUE_WAIT(rport->last_stun_msg() != NULL, 1000);
msg = rport->last_stun_msg();
EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
const StunUInt64Attribute* ice_controlled_attr =
msg->GetUInt64(STUN_ATTR_ICE_CONTROLLED);
ASSERT_TRUE(ice_controlled_attr != NULL);
EXPECT_EQ(rport->IceTiebreaker(), ice_controlled_attr->value());
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_USE_CANDIDATE) == NULL);
// Request should include ping count.
const StunUInt32Attribute* retransmit_attr =
msg->GetUInt32(STUN_ATTR_RETRANSMIT_COUNT);
ASSERT_TRUE(retransmit_attr != NULL);
EXPECT_EQ(2U, retransmit_attr->value());
// Respond with a BINDING-RESPONSE.
request.reset(CopyStunMessage(msg));
lport->SendBindingResponse(request.get(), rport->Candidates()[0].address());
msg = lport->last_stun_msg();
// Response should include same ping count.
retransmit_attr = msg->GetUInt32(STUN_ATTR_RETRANSMIT_COUNT);
ASSERT_TRUE(retransmit_attr != NULL);
EXPECT_EQ(2U, retransmit_attr->value());
}
TEST_F(PortTest, TestUseCandidateAttribute) {
talk_base::scoped_ptr<TestPort> lport(
CreateTestPort(kLocalAddr1, "lfrag", "lpass"));
talk_base::scoped_ptr<TestPort> rport(
CreateTestPort(kLocalAddr2, "rfrag", "rpass"));
lport->SetIceProtocolType(ICEPROTO_RFC5245);
lport->SetIceRole(cricket::ICEROLE_CONTROLLING);
lport->SetIceTiebreaker(kTiebreaker1);
rport->SetIceProtocolType(ICEPROTO_RFC5245);
rport->SetIceRole(cricket::ICEROLE_CONTROLLED);
rport->SetIceTiebreaker(kTiebreaker2);
// Send a fake ping from lport to rport.
lport->PrepareAddress();
rport->PrepareAddress();
ASSERT_FALSE(rport->Candidates().empty());
Connection* lconn = lport->CreateConnection(
rport->Candidates()[0], Port::ORIGIN_MESSAGE);
lconn->Ping(0);
ASSERT_TRUE_WAIT(lport->last_stun_msg() != NULL, 1000);
IceMessage* msg = lport->last_stun_msg();
const StunUInt64Attribute* ice_controlling_attr =
msg->GetUInt64(STUN_ATTR_ICE_CONTROLLING);
ASSERT_TRUE(ice_controlling_attr != NULL);
const StunByteStringAttribute* use_candidate_attr = msg->GetByteString(
STUN_ATTR_USE_CANDIDATE);
ASSERT_TRUE(use_candidate_attr != NULL);
}
// Test handling STUN messages in GICE format.
TEST_F(PortTest, TestHandleStunMessageAsGice) {
// Our port will act as the "remote" port.
talk_base::scoped_ptr<TestPort> port(
CreateTestPort(kLocalAddr2, "rfrag", "rpass"));
port->SetIceProtocolType(ICEPROTO_GOOGLE);
talk_base::scoped_ptr<IceMessage> in_msg, out_msg;
talk_base::scoped_ptr<ByteBuffer> buf(new ByteBuffer());
talk_base::SocketAddress addr(kLocalAddr1);
std::string username;
// BINDING-REQUEST from local to remote with valid GICE username and no M-I.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_REQUEST,
"rfraglfrag"));
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() != NULL); // Succeeds, since this is GICE.
EXPECT_EQ("lfrag", username);
// Add M-I; should be ignored and rest of message parsed normally.
in_msg->AddMessageIntegrity("password");
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() != NULL);
EXPECT_EQ("lfrag", username);
// BINDING-RESPONSE with username, as done in GICE. Should succeed.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_RESPONSE,
"rfraglfrag"));
in_msg->AddAttribute(
new StunAddressAttribute(STUN_ATTR_MAPPED_ADDRESS, kLocalAddr2));
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() != NULL);
EXPECT_EQ("", username);
// BINDING-RESPONSE without username. Should be tolerated as well.
in_msg.reset(CreateStunMessage(STUN_BINDING_RESPONSE));
in_msg->AddAttribute(
new StunAddressAttribute(STUN_ATTR_MAPPED_ADDRESS, kLocalAddr2));
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() != NULL);
EXPECT_EQ("", username);
// BINDING-ERROR-RESPONSE with username and error code.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_ERROR_RESPONSE,
"rfraglfrag"));
in_msg->AddAttribute(new StunErrorCodeAttribute(STUN_ATTR_ERROR_CODE,
STUN_ERROR_SERVER_ERROR_AS_GICE, STUN_ERROR_REASON_SERVER_ERROR));
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
ASSERT_TRUE(out_msg.get() != NULL);
EXPECT_EQ("", username);
ASSERT_TRUE(out_msg->GetErrorCode() != NULL);
// GetStunMessage doesn't unmunge the GICE error code (happens downstream).
EXPECT_EQ(STUN_ERROR_SERVER_ERROR_AS_GICE, out_msg->GetErrorCode()->code());
EXPECT_EQ(std::string(STUN_ERROR_REASON_SERVER_ERROR),
out_msg->GetErrorCode()->reason());
}
// Test handling STUN messages in ICE format.
TEST_F(PortTest, TestHandleStunMessageAsIce) {
// Our port will act as the "remote" port.
talk_base::scoped_ptr<TestPort> port(
CreateTestPort(kLocalAddr2, "rfrag", "rpass"));
port->SetIceProtocolType(ICEPROTO_RFC5245);
talk_base::scoped_ptr<IceMessage> in_msg, out_msg;
talk_base::scoped_ptr<ByteBuffer> buf(new ByteBuffer());
talk_base::SocketAddress addr(kLocalAddr1);
std::string username;
// BINDING-REQUEST from local to remote with valid ICE username,
// MESSAGE-INTEGRITY, and FINGERPRINT.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_REQUEST,
"rfrag:lfrag"));
in_msg->AddMessageIntegrity("rpass");
in_msg->AddFingerprint();
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() != NULL);
EXPECT_EQ("lfrag", username);
// BINDING-RESPONSE without username, with MESSAGE-INTEGRITY and FINGERPRINT.
in_msg.reset(CreateStunMessage(STUN_BINDING_RESPONSE));
in_msg->AddAttribute(
new StunXorAddressAttribute(STUN_ATTR_XOR_MAPPED_ADDRESS, kLocalAddr2));
in_msg->AddMessageIntegrity("rpass");
in_msg->AddFingerprint();
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() != NULL);
EXPECT_EQ("", username);
// BINDING-ERROR-RESPONSE without username, with error, M-I, and FINGERPRINT.
in_msg.reset(CreateStunMessage(STUN_BINDING_ERROR_RESPONSE));
in_msg->AddAttribute(new StunErrorCodeAttribute(STUN_ATTR_ERROR_CODE,
STUN_ERROR_SERVER_ERROR, STUN_ERROR_REASON_SERVER_ERROR));
in_msg->AddFingerprint();
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() != NULL);
EXPECT_EQ("", username);
ASSERT_TRUE(out_msg->GetErrorCode() != NULL);
EXPECT_EQ(STUN_ERROR_SERVER_ERROR, out_msg->GetErrorCode()->code());
EXPECT_EQ(std::string(STUN_ERROR_REASON_SERVER_ERROR),
out_msg->GetErrorCode()->reason());
}
// Tests handling of GICE binding requests with missing or incorrect usernames.
TEST_F(PortTest, TestHandleStunMessageAsGiceBadUsername) {
talk_base::scoped_ptr<TestPort> port(
CreateTestPort(kLocalAddr2, "rfrag", "rpass"));
port->SetIceProtocolType(ICEPROTO_GOOGLE);
talk_base::scoped_ptr<IceMessage> in_msg, out_msg;
talk_base::scoped_ptr<ByteBuffer> buf(new ByteBuffer());
talk_base::SocketAddress addr(kLocalAddr1);
std::string username;
// BINDING-REQUEST with no username.
in_msg.reset(CreateStunMessage(STUN_BINDING_REQUEST));
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() == NULL);
EXPECT_EQ("", username);
EXPECT_EQ(STUN_ERROR_BAD_REQUEST_AS_GICE, port->last_stun_error_code());
// BINDING-REQUEST with empty username.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_REQUEST, ""));
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() == NULL);
EXPECT_EQ("", username);
EXPECT_EQ(STUN_ERROR_UNAUTHORIZED_AS_GICE, port->last_stun_error_code());
// BINDING-REQUEST with too-short username.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_REQUEST, "lfra"));
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() == NULL);
EXPECT_EQ("", username);
EXPECT_EQ(STUN_ERROR_UNAUTHORIZED_AS_GICE, port->last_stun_error_code());
// BINDING-REQUEST with reversed username.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_REQUEST,
"lfragrfrag"));
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() == NULL);
EXPECT_EQ("", username);
EXPECT_EQ(STUN_ERROR_UNAUTHORIZED_AS_GICE, port->last_stun_error_code());
// BINDING-REQUEST with garbage username.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_REQUEST,
"abcdefgh"));
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() == NULL);
EXPECT_EQ("", username);
EXPECT_EQ(STUN_ERROR_UNAUTHORIZED_AS_GICE, port->last_stun_error_code());
}
// Tests handling of ICE binding requests with missing or incorrect usernames.
TEST_F(PortTest, TestHandleStunMessageAsIceBadUsername) {
talk_base::scoped_ptr<TestPort> port(
CreateTestPort(kLocalAddr2, "rfrag", "rpass"));
port->SetIceProtocolType(ICEPROTO_RFC5245);
talk_base::scoped_ptr<IceMessage> in_msg, out_msg;
talk_base::scoped_ptr<ByteBuffer> buf(new ByteBuffer());
talk_base::SocketAddress addr(kLocalAddr1);
std::string username;
// BINDING-REQUEST with no username.
in_msg.reset(CreateStunMessage(STUN_BINDING_REQUEST));
in_msg->AddMessageIntegrity("rpass");
in_msg->AddFingerprint();
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() == NULL);
EXPECT_EQ("", username);
EXPECT_EQ(STUN_ERROR_BAD_REQUEST, port->last_stun_error_code());
// BINDING-REQUEST with empty username.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_REQUEST, ""));
in_msg->AddMessageIntegrity("rpass");
in_msg->AddFingerprint();
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() == NULL);
EXPECT_EQ("", username);
EXPECT_EQ(STUN_ERROR_UNAUTHORIZED, port->last_stun_error_code());
// BINDING-REQUEST with too-short username.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_REQUEST, "rfra"));
in_msg->AddMessageIntegrity("rpass");
in_msg->AddFingerprint();
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() == NULL);
EXPECT_EQ("", username);
EXPECT_EQ(STUN_ERROR_UNAUTHORIZED, port->last_stun_error_code());
// BINDING-REQUEST with reversed username.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_REQUEST,
"lfrag:rfrag"));
in_msg->AddMessageIntegrity("rpass");
in_msg->AddFingerprint();
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() == NULL);
EXPECT_EQ("", username);
EXPECT_EQ(STUN_ERROR_UNAUTHORIZED, port->last_stun_error_code());
// BINDING-REQUEST with garbage username.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_REQUEST,
"abcd:efgh"));
in_msg->AddMessageIntegrity("rpass");
in_msg->AddFingerprint();
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() == NULL);
EXPECT_EQ("", username);
EXPECT_EQ(STUN_ERROR_UNAUTHORIZED, port->last_stun_error_code());
}
// Test handling STUN messages (as ICE) with missing or malformed M-I.
TEST_F(PortTest, TestHandleStunMessageAsIceBadMessageIntegrity) {
// Our port will act as the "remote" port.
talk_base::scoped_ptr<TestPort> port(
CreateTestPort(kLocalAddr2, "rfrag", "rpass"));
port->SetIceProtocolType(ICEPROTO_RFC5245);
talk_base::scoped_ptr<IceMessage> in_msg, out_msg;
talk_base::scoped_ptr<ByteBuffer> buf(new ByteBuffer());
talk_base::SocketAddress addr(kLocalAddr1);
std::string username;
// BINDING-REQUEST from local to remote with valid ICE username and
// FINGERPRINT, but no MESSAGE-INTEGRITY.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_REQUEST,
"rfrag:lfrag"));
in_msg->AddFingerprint();
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() == NULL);
EXPECT_EQ("", username);
EXPECT_EQ(STUN_ERROR_BAD_REQUEST, port->last_stun_error_code());
// BINDING-REQUEST from local to remote with valid ICE username and
// FINGERPRINT, but invalid MESSAGE-INTEGRITY.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_REQUEST,
"rfrag:lfrag"));
in_msg->AddMessageIntegrity("invalid");
in_msg->AddFingerprint();
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() == NULL);
EXPECT_EQ("", username);
EXPECT_EQ(STUN_ERROR_UNAUTHORIZED, port->last_stun_error_code());
// TODO: BINDING-RESPONSES and BINDING-ERROR-RESPONSES are checked
// by the Connection, not the Port, since they require the remote username.
// Change this test to pass in data via Connection::OnReadPacket instead.
}
// Test handling STUN messages (as ICE) with missing or malformed FINGERPRINT.
TEST_F(PortTest, TestHandleStunMessageAsIceBadFingerprint) {
// Our port will act as the "remote" port.
talk_base::scoped_ptr<TestPort> port(
CreateTestPort(kLocalAddr2, "rfrag", "rpass"));
port->SetIceProtocolType(ICEPROTO_RFC5245);
talk_base::scoped_ptr<IceMessage> in_msg, out_msg;
talk_base::scoped_ptr<ByteBuffer> buf(new ByteBuffer());
talk_base::SocketAddress addr(kLocalAddr1);
std::string username;
// BINDING-REQUEST from local to remote with valid ICE username and
// MESSAGE-INTEGRITY, but no FINGERPRINT; GetStunMessage should fail.
in_msg.reset(CreateStunMessageWithUsername(STUN_BINDING_REQUEST,
"rfrag:lfrag"));
in_msg->AddMessageIntegrity("rpass");
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_FALSE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_EQ(0, port->last_stun_error_code());
// Now, add a fingerprint, but munge the message so it's not valid.
in_msg->AddFingerprint();
in_msg->SetTransactionID("TESTTESTBADD");
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_FALSE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_EQ(0, port->last_stun_error_code());
// Valid BINDING-RESPONSE, except no FINGERPRINT.
in_msg.reset(CreateStunMessage(STUN_BINDING_RESPONSE));
in_msg->AddAttribute(
new StunXorAddressAttribute(STUN_ATTR_XOR_MAPPED_ADDRESS, kLocalAddr2));
in_msg->AddMessageIntegrity("rpass");
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_FALSE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_EQ(0, port->last_stun_error_code());
// Now, add a fingerprint, but munge the message so it's not valid.
in_msg->AddFingerprint();
in_msg->SetTransactionID("TESTTESTBADD");
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_FALSE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_EQ(0, port->last_stun_error_code());
// Valid BINDING-ERROR-RESPONSE, except no FINGERPRINT.
in_msg.reset(CreateStunMessage(STUN_BINDING_ERROR_RESPONSE));
in_msg->AddAttribute(new StunErrorCodeAttribute(STUN_ATTR_ERROR_CODE,
STUN_ERROR_SERVER_ERROR, STUN_ERROR_REASON_SERVER_ERROR));
in_msg->AddMessageIntegrity("rpass");
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_FALSE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_EQ(0, port->last_stun_error_code());
// Now, add a fingerprint, but munge the message so it's not valid.
in_msg->AddFingerprint();
in_msg->SetTransactionID("TESTTESTBADD");
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_FALSE(port->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_EQ(0, port->last_stun_error_code());
}
// Test handling of STUN binding indication messages (as ICE). STUN binding
// indications are allowed only to the connection which is in read mode.
TEST_F(PortTest, TestHandleStunBindingIndication) {
talk_base::scoped_ptr<TestPort> lport(
CreateTestPort(kLocalAddr2, "lfrag", "lpass"));
lport->SetIceProtocolType(ICEPROTO_RFC5245);
lport->SetIceRole(cricket::ICEROLE_CONTROLLING);
lport->SetIceTiebreaker(kTiebreaker1);
// Verifying encoding and decoding STUN indication message.
talk_base::scoped_ptr<IceMessage> in_msg, out_msg;
talk_base::scoped_ptr<ByteBuffer> buf(new ByteBuffer());
talk_base::SocketAddress addr(kLocalAddr1);
std::string username;
in_msg.reset(CreateStunMessage(STUN_BINDING_INDICATION));
in_msg->AddFingerprint();
WriteStunMessage(in_msg.get(), buf.get());
EXPECT_TRUE(lport->GetStunMessage(buf->Data(), buf->Length(), addr,
out_msg.accept(), &username));
EXPECT_TRUE(out_msg.get() != NULL);
EXPECT_EQ(out_msg->type(), STUN_BINDING_INDICATION);
EXPECT_EQ("", username);
// Verify connection can handle STUN indication and updates
// last_ping_received.
talk_base::scoped_ptr<TestPort> rport(
CreateTestPort(kLocalAddr2, "rfrag", "rpass"));
rport->SetIceProtocolType(ICEPROTO_RFC5245);
rport->SetIceRole(cricket::ICEROLE_CONTROLLED);
rport->SetIceTiebreaker(kTiebreaker2);
lport->PrepareAddress();
rport->PrepareAddress();
ASSERT_FALSE(lport->Candidates().empty());
ASSERT_FALSE(rport->Candidates().empty());
Connection* lconn = lport->CreateConnection(rport->Candidates()[0],
Port::ORIGIN_MESSAGE);
Connection* rconn = rport->CreateConnection(lport->Candidates()[0],
Port::ORIGIN_MESSAGE);
rconn->Ping(0);
ASSERT_TRUE_WAIT(rport->last_stun_msg() != NULL, 1000);
IceMessage* msg = rport->last_stun_msg();
EXPECT_EQ(STUN_BINDING_REQUEST, msg->type());
// Send rport binding request to lport.
lconn->OnReadPacket(rport->last_stun_buf()->Data(),
rport->last_stun_buf()->Length());
ASSERT_TRUE_WAIT(lport->last_stun_msg() != NULL, 1000);
EXPECT_EQ(STUN_BINDING_RESPONSE, lport->last_stun_msg()->type());
uint32 last_ping_received1 = lconn->last_ping_received();
// Adding a delay of 100ms.
talk_base::Thread::Current()->ProcessMessages(100);
// Pinging lconn using stun indication message.
lconn->OnReadPacket(buf->Data(), buf->Length());
uint32 last_ping_received2 = lconn->last_ping_received();
EXPECT_GT(last_ping_received2, last_ping_received1);
}
TEST_F(PortTest, TestComputeCandidatePriority) {
talk_base::scoped_ptr<TestPort> port(
CreateTestPort(kLocalAddr1, "name", "pass"));
port->set_type_preference(90);
port->set_component(177);
port->AddCandidateAddress(SocketAddress("192.168.1.4", 1234));
port->AddCandidateAddress(SocketAddress("2001:db8::1234", 1234));
port->AddCandidateAddress(SocketAddress("fc12:3456::1234", 1234));
port->AddCandidateAddress(SocketAddress("::ffff:192.168.1.4", 1234));
port->AddCandidateAddress(SocketAddress("::192.168.1.4", 1234));
port->AddCandidateAddress(SocketAddress("2002::1234:5678", 1234));
port->AddCandidateAddress(SocketAddress("2001::1234:5678", 1234));
port->AddCandidateAddress(SocketAddress("fecf::1234:5678", 1234));
port->AddCandidateAddress(SocketAddress("3ffe::1234:5678", 1234));
// These should all be:
// (90 << 24) | ([rfc3484 pref value] << 8) | (256 - 177)
uint32 expected_priority_v4 = 1509957199U;
uint32 expected_priority_v6 = 1509959759U;
uint32 expected_priority_ula = 1509962319U;
uint32 expected_priority_v4mapped = expected_priority_v4;
uint32 expected_priority_v4compat = 1509949775U;
uint32 expected_priority_6to4 = 1509954639U;
uint32 expected_priority_teredo = 1509952079U;
uint32 expected_priority_sitelocal = 1509949775U;
uint32 expected_priority_6bone = 1509949775U;
ASSERT_EQ(expected_priority_v4, port->Candidates()[0].priority());
ASSERT_EQ(expected_priority_v6, port->Candidates()[1].priority());
ASSERT_EQ(expected_priority_ula, port->Candidates()[2].priority());
ASSERT_EQ(expected_priority_v4mapped, port->Candidates()[3].priority());
ASSERT_EQ(expected_priority_v4compat, port->Candidates()[4].priority());
ASSERT_EQ(expected_priority_6to4, port->Candidates()[5].priority());
ASSERT_EQ(expected_priority_teredo, port->Candidates()[6].priority());
ASSERT_EQ(expected_priority_sitelocal, port->Candidates()[7].priority());
ASSERT_EQ(expected_priority_6bone, port->Candidates()[8].priority());
}
TEST_F(PortTest, TestPortProxyProperties) {
talk_base::scoped_ptr<TestPort> port(
CreateTestPort(kLocalAddr1, "name", "pass"));
port->SetIceRole(cricket::ICEROLE_CONTROLLING);
port->SetIceTiebreaker(kTiebreaker1);
// Create a proxy port.
talk_base::scoped_ptr<PortProxy> proxy(new PortProxy());
proxy->set_impl(port.get());
EXPECT_EQ(port->Type(), proxy->Type());
EXPECT_EQ(port->Network(), proxy->Network());
EXPECT_EQ(port->GetIceRole(), proxy->GetIceRole());
EXPECT_EQ(port->IceTiebreaker(), proxy->IceTiebreaker());
}
// In the case of shared socket, one port may be shared by local and stun.
// Test that candidates with different types will have different foundation.
TEST_F(PortTest, TestFoundation) {
talk_base::scoped_ptr<TestPort> testport(
CreateTestPort(kLocalAddr1, "name", "pass"));
testport->AddCandidateAddress(kLocalAddr1, kLocalAddr1,
LOCAL_PORT_TYPE,
cricket::ICE_TYPE_PREFERENCE_HOST, false);
testport->AddCandidateAddress(kLocalAddr2, kLocalAddr1,
STUN_PORT_TYPE,
cricket::ICE_TYPE_PREFERENCE_SRFLX, true);
EXPECT_NE(testport->Candidates()[0].foundation(),
testport->Candidates()[1].foundation());
}
// This test verifies the foundation of different types of ICE candidates.
TEST_F(PortTest, TestCandidateFoundation) {
talk_base::scoped_ptr<talk_base::NATServer> nat_server(
CreateNatServer(kNatAddr1, NAT_OPEN_CONE));
talk_base::scoped_ptr<UDPPort> udpport1(CreateUdpPort(kLocalAddr1));
udpport1->PrepareAddress();
talk_base::scoped_ptr<UDPPort> udpport2(CreateUdpPort(kLocalAddr1));
udpport2->PrepareAddress();
EXPECT_EQ(udpport1->Candidates()[0].foundation(),
udpport2->Candidates()[0].foundation());
talk_base::scoped_ptr<TCPPort> tcpport1(CreateTcpPort(kLocalAddr1));
tcpport1->PrepareAddress();
talk_base::scoped_ptr<TCPPort> tcpport2(CreateTcpPort(kLocalAddr1));
tcpport2->PrepareAddress();
EXPECT_EQ(tcpport1->Candidates()[0].foundation(),
tcpport2->Candidates()[0].foundation());
talk_base::scoped_ptr<Port> stunport(
CreateStunPort(kLocalAddr1, nat_socket_factory1()));
stunport->PrepareAddress();
ASSERT_EQ_WAIT(1U, stunport->Candidates().size(), kTimeout);
EXPECT_NE(tcpport1->Candidates()[0].foundation(),
stunport->Candidates()[0].foundation());
EXPECT_NE(tcpport2->Candidates()[0].foundation(),
stunport->Candidates()[0].foundation());
EXPECT_NE(udpport1->Candidates()[0].foundation(),
stunport->Candidates()[0].foundation());
EXPECT_NE(udpport2->Candidates()[0].foundation(),
stunport->Candidates()[0].foundation());
// Verify GTURN candidate foundation.
talk_base::scoped_ptr<RelayPort> relayport(
CreateGturnPort(kLocalAddr1));
relayport->AddServerAddress(
cricket::ProtocolAddress(kRelayUdpIntAddr, cricket::PROTO_UDP));
relayport->PrepareAddress();
ASSERT_EQ_WAIT(1U, relayport->Candidates().size(), kTimeout);
EXPECT_NE(udpport1->Candidates()[0].foundation(),
relayport->Candidates()[0].foundation());
EXPECT_NE(udpport2->Candidates()[0].foundation(),
relayport->Candidates()[0].foundation());
// Verifying TURN candidate foundation.
talk_base::scoped_ptr<Port> turnport(CreateTurnPort(
kLocalAddr1, nat_socket_factory1(), PROTO_UDP, PROTO_UDP));
turnport->PrepareAddress();
ASSERT_EQ_WAIT(1U, turnport->Candidates().size(), kTimeout);
EXPECT_NE(udpport1->Candidates()[0].foundation(),
turnport->Candidates()[0].foundation());
EXPECT_NE(udpport2->Candidates()[0].foundation(),
turnport->Candidates()[0].foundation());
EXPECT_NE(stunport->Candidates()[0].foundation(),
turnport->Candidates()[0].foundation());
}
// This test verifies the related addresses of different types of
// ICE candiates.
TEST_F(PortTest, TestCandidateRelatedAddress) {
talk_base::scoped_ptr<talk_base::NATServer> nat_server(
CreateNatServer(kNatAddr1, NAT_OPEN_CONE));
talk_base::scoped_ptr<UDPPort> udpport(CreateUdpPort(kLocalAddr1));
udpport->PrepareAddress();
// For UDPPort, related address will be empty.
EXPECT_TRUE(udpport->Candidates()[0].related_address().IsNil());
// Testing related address for stun candidates.
// For stun candidate related address must be equal to the base
// socket address.
talk_base::scoped_ptr<StunPort> stunport(
CreateStunPort(kLocalAddr1, nat_socket_factory1()));
stunport->PrepareAddress();
ASSERT_EQ_WAIT(1U, stunport->Candidates().size(), kTimeout);
// Check STUN candidate address.
EXPECT_EQ(stunport->Candidates()[0].address().ipaddr(),
kNatAddr1.ipaddr());
// Check STUN candidate related address.
EXPECT_EQ(stunport->Candidates()[0].related_address(),
stunport->GetLocalAddress());
// Verifying the related address for the GTURN candidates.
// NOTE: In case of GTURN related address will be equal to the mapped
// address, but address(mapped) will not be XOR.
talk_base::scoped_ptr<RelayPort> relayport(
CreateGturnPort(kLocalAddr1));
relayport->AddServerAddress(
cricket::ProtocolAddress(kRelayUdpIntAddr, cricket::PROTO_UDP));
relayport->PrepareAddress();
ASSERT_EQ_WAIT(1U, relayport->Candidates().size(), kTimeout);
// For Gturn related address is set to "0.0.0.0:0"
EXPECT_EQ(talk_base::SocketAddress(),
relayport->Candidates()[0].related_address());
// Verifying the related address for TURN candidate.
// For TURN related address must be equal to the mapped address.
talk_base::scoped_ptr<Port> turnport(CreateTurnPort(
kLocalAddr1, nat_socket_factory1(), PROTO_UDP, PROTO_UDP));
turnport->PrepareAddress();
ASSERT_EQ_WAIT(1U, turnport->Candidates().size(), kTimeout);
EXPECT_EQ(kTurnUdpExtAddr.ipaddr(),
turnport->Candidates()[0].address().ipaddr());
EXPECT_EQ(kNatAddr1.ipaddr(),
turnport->Candidates()[0].related_address().ipaddr());
}
// Test priority value overflow handling when preference is set to 3.
TEST_F(PortTest, TestCandidatePreference) {
cricket::Candidate cand1;
cand1.set_preference(3);
cricket::Candidate cand2;
cand2.set_preference(1);
EXPECT_TRUE(cand1.preference() > cand2.preference());
}
// Test the Connection priority is calculated correctly.
TEST_F(PortTest, TestConnectionPriority) {
talk_base::scoped_ptr<TestPort> lport(
CreateTestPort(kLocalAddr1, "lfrag", "lpass"));
lport->set_type_preference(cricket::ICE_TYPE_PREFERENCE_HOST);
talk_base::scoped_ptr<TestPort> rport(
CreateTestPort(kLocalAddr2, "rfrag", "rpass"));
rport->set_type_preference(cricket::ICE_TYPE_PREFERENCE_RELAY);
lport->set_component(123);
lport->AddCandidateAddress(SocketAddress("192.168.1.4", 1234));
rport->set_component(23);
rport->AddCandidateAddress(SocketAddress("10.1.1.100", 1234));
EXPECT_EQ(0x7E001E85U, lport->Candidates()[0].priority());
EXPECT_EQ(0x2001EE9U, rport->Candidates()[0].priority());
// RFC 5245
// pair priority = 2^32*MIN(G,D) + 2*MAX(G,D) + (G>D?1:0)
lport->SetIceRole(cricket::ICEROLE_CONTROLLING);
rport->SetIceRole(cricket::ICEROLE_CONTROLLED);
Connection* lconn = lport->CreateConnection(
rport->Candidates()[0], Port::ORIGIN_MESSAGE);
#if defined(WIN32)
EXPECT_EQ(0x2001EE9FC003D0BU, lconn->priority());
#else
EXPECT_EQ(0x2001EE9FC003D0BLLU, lconn->priority());
#endif
lport->SetIceRole(cricket::ICEROLE_CONTROLLED);
rport->SetIceRole(cricket::ICEROLE_CONTROLLING);
Connection* rconn = rport->CreateConnection(
lport->Candidates()[0], Port::ORIGIN_MESSAGE);
#if defined(WIN32)
EXPECT_EQ(0x2001EE9FC003D0AU, rconn->priority());
#else
EXPECT_EQ(0x2001EE9FC003D0ALLU, rconn->priority());
#endif
}
TEST_F(PortTest, TestWritableState) {
UDPPort* port1 = CreateUdpPort(kLocalAddr1);
UDPPort* port2 = CreateUdpPort(kLocalAddr2);
// Set up channels.
TestChannel ch1(port1, port2);
TestChannel ch2(port2, port1);
// Acquire addresses.
ch1.Start();
ch2.Start();
ASSERT_EQ_WAIT(1, ch1.complete_count(), kTimeout);
ASSERT_EQ_WAIT(1, ch2.complete_count(), kTimeout);
// Send a ping from src to dst.
ch1.CreateConnection();
ASSERT_TRUE(ch1.conn() != NULL);
EXPECT_EQ(Connection::STATE_WRITE_INIT, ch1.conn()->write_state());
EXPECT_TRUE_WAIT(ch1.conn()->connected(), kTimeout); // for TCP connect
ch1.Ping();
WAIT(!ch2.remote_address().IsNil(), kTimeout);
// Data should be unsendable until the connection is accepted.
char data[] = "abcd";
int data_size = ARRAY_SIZE(data);
EXPECT_EQ(SOCKET_ERROR,
ch1.conn()->Send(data, data_size, talk_base::DSCP_NO_CHANGE));
// Accept the connection to return the binding response, transition to
// writable, and allow data to be sent.
ch2.AcceptConnection();
EXPECT_EQ_WAIT(Connection::STATE_WRITABLE, ch1.conn()->write_state(),
kTimeout);
EXPECT_EQ(data_size,
ch1.conn()->Send(data, data_size, talk_base::DSCP_NO_CHANGE));
// Ask the connection to update state as if enough time has passed to lose
// full writability and 5 pings went unresponded to. We'll accomplish the
// latter by sending pings but not pumping messages.
for (uint32 i = 1; i <= CONNECTION_WRITE_CONNECT_FAILURES; ++i) {
ch1.Ping(i);
}
uint32 unreliable_timeout_delay = CONNECTION_WRITE_CONNECT_TIMEOUT + 500u;
ch1.conn()->UpdateState(unreliable_timeout_delay);
EXPECT_EQ(Connection::STATE_WRITE_UNRELIABLE, ch1.conn()->write_state());
// Data should be able to be sent in this state.
EXPECT_EQ(data_size,
ch1.conn()->Send(data, data_size, talk_base::DSCP_NO_CHANGE));
// And now allow the other side to process the pings and send binding
// responses.
EXPECT_EQ_WAIT(Connection::STATE_WRITABLE, ch1.conn()->write_state(),
kTimeout);
// Wait long enough for a full timeout (past however long we've already
// waited).
for (uint32 i = 1; i <= CONNECTION_WRITE_CONNECT_FAILURES; ++i) {
ch1.Ping(unreliable_timeout_delay + i);
}
ch1.conn()->UpdateState(unreliable_timeout_delay + CONNECTION_WRITE_TIMEOUT +
500u);
EXPECT_EQ(Connection::STATE_WRITE_TIMEOUT, ch1.conn()->write_state());
// Now that the connection has completely timed out, data send should fail.
EXPECT_EQ(SOCKET_ERROR,
ch1.conn()->Send(data, data_size, talk_base::DSCP_NO_CHANGE));
ch1.Stop();
ch2.Stop();
}
TEST_F(PortTest, TestTimeoutForNeverWritable) {
UDPPort* port1 = CreateUdpPort(kLocalAddr1);
UDPPort* port2 = CreateUdpPort(kLocalAddr2);
// Set up channels.
TestChannel ch1(port1, port2);
TestChannel ch2(port2, port1);
// Acquire addresses.
ch1.Start();
ch2.Start();
ch1.CreateConnection();
ASSERT_TRUE(ch1.conn() != NULL);
EXPECT_EQ(Connection::STATE_WRITE_INIT, ch1.conn()->write_state());
// Attempt to go directly to write timeout.
for (uint32 i = 1; i <= CONNECTION_WRITE_CONNECT_FAILURES; ++i) {
ch1.Ping(i);
}
ch1.conn()->UpdateState(CONNECTION_WRITE_TIMEOUT + 500u);
EXPECT_EQ(Connection::STATE_WRITE_TIMEOUT, ch1.conn()->write_state());
}
// This test verifies the connection setup between ICEMODE_FULL
// and ICEMODE_LITE.
// In this test |ch1| behaves like FULL mode client and we have created
// port which responds to the ping message just like LITE client.
TEST_F(PortTest, TestIceLiteConnectivity) {
TestPort* ice_full_port = CreateTestPort(
kLocalAddr1, "lfrag", "lpass", cricket::ICEPROTO_RFC5245,
cricket::ICEROLE_CONTROLLING, kTiebreaker1);
talk_base::scoped_ptr<TestPort> ice_lite_port(CreateTestPort(
kLocalAddr2, "rfrag", "rpass", cricket::ICEPROTO_RFC5245,
cricket::ICEROLE_CONTROLLED, kTiebreaker2));
// Setup TestChannel. This behaves like FULL mode client.
TestChannel ch1(ice_full_port, ice_lite_port.get());
ch1.SetIceMode(ICEMODE_FULL);
// Start gathering candidates.
ch1.Start();
ice_lite_port->PrepareAddress();
ASSERT_EQ_WAIT(1, ch1.complete_count(), kTimeout);
ASSERT_FALSE(ice_lite_port->Candidates().empty());
ch1.CreateConnection();
ASSERT_TRUE(ch1.conn() != NULL);
EXPECT_EQ(Connection::STATE_WRITE_INIT, ch1.conn()->write_state());
// Send ping from full mode client.
// This ping must not have USE_CANDIDATE_ATTR.
ch1.Ping();
// Verify stun ping is without USE_CANDIDATE_ATTR. Getting message directly
// from port.
ASSERT_TRUE_WAIT(ice_full_port->last_stun_msg() != NULL, 1000);
IceMessage* msg = ice_full_port->last_stun_msg();
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_USE_CANDIDATE) == NULL);
// Respond with a BINDING-RESPONSE from litemode client.
// NOTE: Ideally we should't create connection at this stage from lite
// port, as it should be done only after receiving ping with USE_CANDIDATE.
// But we need a connection to send a response message.
ice_lite_port->CreateConnection(
ice_full_port->Candidates()[0], cricket::Port::ORIGIN_MESSAGE);
talk_base::scoped_ptr<IceMessage> request(CopyStunMessage(msg));
ice_lite_port->SendBindingResponse(
request.get(), ice_full_port->Candidates()[0].address());
// Feeding the respone message from litemode to the full mode connection.
ch1.conn()->OnReadPacket(ice_lite_port->last_stun_buf()->Data(),
ice_lite_port->last_stun_buf()->Length());
// Verifying full mode connection becomes writable from the response.
EXPECT_EQ_WAIT(Connection::STATE_WRITABLE, ch1.conn()->write_state(),
kTimeout);
EXPECT_TRUE_WAIT(ch1.nominated(), kTimeout);
// Clear existing stun messsages. Otherwise we will process old stun
// message right after we send ping.
ice_full_port->Reset();
// Send ping. This must have USE_CANDIDATE_ATTR.
ch1.Ping();
ASSERT_TRUE_WAIT(ice_full_port->last_stun_msg() != NULL, 1000);
msg = ice_full_port->last_stun_msg();
EXPECT_TRUE(msg->GetByteString(STUN_ATTR_USE_CANDIDATE) != NULL);
ch1.Stop();
}
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