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Location: libtransport.git/include/Swiften/Server/ServerFromClientSession.cpp
d11fdaf3e279
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systemd: wait for network-online.target and add WantedBy=multi-user.target
Thanks to that, "systemctl enable spectrum2" does what expected, that is
makes Spectrum2 start on boot. Also, network.target doesn't tell anything
meaningful - it's just that the network stack is available.
Adding network-online.target makes sure that the network interfaces are up
before starting Spectrum2.
Thanks to that, "systemctl enable spectrum2" does what expected, that is
makes Spectrum2 start on boot. Also, network.target doesn't tell anything
meaningful - it's just that the network stack is available.
Adding network-online.target makes sure that the network interfaces are up
before starting Spectrum2.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 | /*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include <Swiften/Server/ServerFromClientSession.h>
#include <boost/bind.hpp>
#include <Swiften/Elements/ProtocolHeader.h>
#include <Swiften/Elements/StreamError.h>
#include <Swiften/Elements/Message.h>
#include <Swiften/Server/UserRegistry.h>
#include <Swiften/Network/Connection.h>
#include <Swiften/StreamStack/XMPPLayer.h>
#include <Swiften/Elements/StreamFeatures.h>
#include <Swiften/Elements/ResourceBind.h>
#include <Swiften/Elements/StartSession.h>
#include <Swiften/Elements/IQ.h>
#include <Swiften/Elements/AuthSuccess.h>
#include <Swiften/Elements/AuthFailure.h>
#include <Swiften/Elements/AuthRequest.h>
#include <Swiften/SASL/PLAINMessage.h>
#include <Swiften/StreamStack/StreamStack.h>
#include <Swiften/StreamStack/TLSServerLayer.h>
#include <Swiften/Elements/StartTLSRequest.h>
#include <Swiften/Elements/TLSProceed.h>
#include <iostream>
#include <Swiften/TLS/CertificateWithKey.h>
#include "Swiften/SwiftenCompat.h"
#include <Swiften/Version.h>
#if (SWIFTEN_VERSION >= 0x030000)
#include <Swiften/Elements/ToplevelElement.h>
#endif
namespace Swift {
ServerFromClientSession::ServerFromClientSession(
const std::string& id,
SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<Connection> connection,
PayloadParserFactoryCollection* payloadParserFactories,
PayloadSerializerCollection* payloadSerializers,
UserRegistry* userRegistry,
XMLParserFactory* factory,
Swift::JID remoteJID) :
Session(connection, payloadParserFactories, payloadSerializers, factory),
id_(id),
userRegistry_(userRegistry),
authenticated_(false),
initialized(false),
allowSASLEXTERNAL(false),
tlsLayer(0),
tlsConnected(false) {
setRemoteJID(remoteJID);
}
ServerFromClientSession::~ServerFromClientSession() {
if (tlsLayer) {
delete tlsLayer;
}
}
void ServerFromClientSession::handlePasswordValid() {
if (!isInitialized()) {
getXMPPLayer()->writeElement(SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<AuthSuccess>(new AuthSuccess()));
authenticated_ = true;
getXMPPLayer()->resetParser();
}
}
void ServerFromClientSession::handlePasswordInvalid(const std::string &error) {
if (!isInitialized()) {
getXMPPLayer()->writeElement(SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<AuthFailure>(new AuthFailure));
if (!error.empty()) {
SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<StreamError> msg(new StreamError(StreamError::UndefinedCondition, error));
getXMPPLayer()->writeElement(msg);
}
finishSession(AuthenticationFailedError);
}
}
#if (SWIFTEN_VERSION >= 0x030000)
void ServerFromClientSession::handleElement(SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<ToplevelElement> element) {
#else
void ServerFromClientSession::handleElement(SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<Element> element) {
#endif
if (isInitialized()) {
onElementReceived(element);
}
else {
if (AuthRequest* authRequest = dynamic_cast<AuthRequest*>(element.get())) {
if (authRequest->getMechanism() == "PLAIN" || (allowSASLEXTERNAL && authRequest->getMechanism() == "EXTERNAL")) {
if (authRequest->getMechanism() == "EXTERNAL") {
getXMPPLayer()->writeElement(SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<AuthSuccess>(new AuthSuccess()));
authenticated_ = true;
getXMPPLayer()->resetParser();
}
else {
PLAINMessage plainMessage(authRequest->getMessage() ? *authRequest->getMessage() : createSafeByteArray(""));
user_ = plainMessage.getAuthenticationID();
userRegistry_->isValidUserPassword(JID(plainMessage.getAuthenticationID(), getLocalJID().getDomain()), this, plainMessage.getPassword());
}
}
else {
getXMPPLayer()->writeElement(SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<AuthFailure>(new AuthFailure));
finishSession(NoSupportedAuthMechanismsError);
}
}
else if (dynamic_cast<StartTLSRequest*>(element.get()) != NULL) {
getXMPPLayer()->writeElement(SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<TLSProceed>(new TLSProceed));
getStreamStack()->addLayer(tlsLayer);
tlsLayer->connect();
getXMPPLayer()->resetParser();
}
else if (IQ* iq = dynamic_cast<IQ*>(element.get())) {
if (SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<ResourceBind> resourceBind = iq->getPayload<ResourceBind>()) {
std::string bucket = "abcdefghijklmnopqrstuvwxyz";
std::string uuid;
for (int i = 0; i < 10; i++) {
uuid += bucket[rand() % bucket.size()];
}
setRemoteJID(JID(user_, getLocalJID().getDomain(), uuid));
SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<ResourceBind> resultResourceBind(new ResourceBind());
resultResourceBind->setJID(getRemoteJID());
getXMPPLayer()->writeElement(IQ::createResult(JID(), iq->getID(), resultResourceBind));
}
else if (iq->getPayload<StartSession>()) {
getXMPPLayer()->writeElement(IQ::createResult(getRemoteJID(), iq->getID()));
setInitialized();
}
}
}
}
void ServerFromClientSession::handleStreamStart(const ProtocolHeader& incomingHeader) {
setLocalJID(JID(incomingHeader.getTo()));
ProtocolHeader header;
header.setFrom(incomingHeader.getTo());
header.setID(id_);
getXMPPLayer()->writeHeader(header);
SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<StreamFeatures> features(new StreamFeatures());
if (!authenticated_) {
if (tlsLayer && !tlsConnected) {
features->setHasStartTLS();
}
features->addAuthenticationMechanism("PLAIN");
if (allowSASLEXTERNAL) {
features->addAuthenticationMechanism("EXTERNAL");
}
}
else {
features->setHasResourceBind();
features->setHasSession();
}
getXMPPLayer()->writeElement(features);
}
void ServerFromClientSession::setInitialized() {
initialized = true;
onSessionStarted();
}
void ServerFromClientSession::setAllowSASLEXTERNAL() {
allowSASLEXTERNAL = true;
}
void ServerFromClientSession::handleSessionFinished(const boost::optional<SessionError>&) {
userRegistry_->stopLogin(JID(user_, getLocalJID().getDomain()), this);
}
void ServerFromClientSession::addTLSEncryption(TLSServerContextFactory* tlsContextFactory, CertificateWithKey::ref cert) {
tlsLayer = new TLSServerLayer(tlsContextFactory);
if (!tlsLayer->setServerCertificate(cert)) {
// std::cout << "error\n";
// TODO:
// onClosed(SWIFTEN_SHRPTR_NAMESPACE::shared_ptr<Error>(new Error(Error::InvalidTLSCertificateError)));
}
else {
tlsLayer->onError.connect(boost::bind(&ServerFromClientSession::handleTLSError, this));
tlsLayer->onConnected.connect(boost::bind(&ServerFromClientSession::handleTLSConnected, this));
// getStreamStack()->addLayer(tlsLayer);
// tlsLayer->onError.connect(boost::bind(&BasicSessionStream::handleTLSError, this));
// tlsLayer->onConnected.connect(boost::bind(&BasicSessionStream::handleTLSConnected, this));
// tlsLayer->connect();
}
}
}
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