diff options
Diffstat (limited to 'cpp/src/qpid/broker/ConnectionHandler.cpp')
| -rw-r--r-- | cpp/src/qpid/broker/ConnectionHandler.cpp | 202 |
1 files changed, 150 insertions, 52 deletions
diff --git a/cpp/src/qpid/broker/ConnectionHandler.cpp b/cpp/src/qpid/broker/ConnectionHandler.cpp index 77a4d1a3de..50a5aff2c9 100644 --- a/cpp/src/qpid/broker/ConnectionHandler.cpp +++ b/cpp/src/qpid/broker/ConnectionHandler.cpp @@ -8,9 +8,9 @@ * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at - * + * * http://www.apache.org/licenses/LICENSE-2.0 - * + * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY @@ -20,70 +20,91 @@ * */ -#include "config.h" - -#include "ConnectionHandler.h" -#include "Connection.h" -#include "qpid/framing/ClientInvoker.h" -#include "qpid/framing/ServerInvoker.h" -#include "qpid/framing/constants.h" +#include "qpid/broker/ConnectionHandler.h" +#include "qpid/broker/Connection.h" +#include "qpid/broker/SecureConnection.h" +#include "qpid/Url.h" +#include "qpid/framing/AllInvoker.h" +#include "qpid/framing/enum.h" #include "qpid/log/Statement.h" +#include "qpid/sys/SecurityLayer.h" +#include "qpid/broker/AclModule.h" +#include "qmf/org/apache/qpid/broker/EventClientConnectFail.h" using namespace qpid; using namespace qpid::broker; using namespace qpid::framing; +using qpid::sys::SecurityLayer; +namespace _qmf = qmf::org::apache::qpid::broker; - -namespace +namespace { const std::string ANONYMOUS = "ANONYMOUS"; const std::string PLAIN = "PLAIN"; const std::string en_US = "en_US"; +const std::string QPID_FED_LINK = "qpid.fed_link"; +const std::string QPID_FED_TAG = "qpid.federation_tag"; +const std::string SESSION_FLOW_CONTROL("qpid.session_flow"); +const std::string CLIENT_PROCESS_NAME("qpid.client_process"); +const std::string CLIENT_PID("qpid.client_pid"); +const std::string CLIENT_PPID("qpid.client_ppid"); +const int SESSION_FLOW_CONTROL_VER = 1; } -void ConnectionHandler::close(ReplyCode code, const string& text, ClassId, MethodId) +void ConnectionHandler::close(connection::CloseCode code, const string& text) { - handler->client.close(code, text); + handler->proxy.close(code, text); +} + +void ConnectionHandler::heartbeat() +{ + handler->proxy.heartbeat(); } void ConnectionHandler::handle(framing::AMQFrame& frame) { AMQMethodBody* method=frame.getBody()->getMethod(); + Connection::ErrorListener* errorListener = handler->connection.getErrorListener(); try{ - bool handled = false; - if (handler->serverMode) { - handled = invoke(static_cast<AMQP_ServerOperations::ConnectionHandler&>(*handler.get()), *method); - } else { - handled = invoke(static_cast<AMQP_ClientOperations::ConnectionHandler&>(*handler.get()), *method); - } - if (!handled) { + if (!invoke(static_cast<AMQP_AllOperations::ConnectionHandler&>(*handler.get()), *method)) { handler->connection.getChannel(frame.getChannel()).in(frame); } - }catch(ConnectionException& e){ - handler->client.close(e.code, e.what()); + if (errorListener) errorListener->connectionError(e.what()); + handler->proxy.close(e.code, e.what()); }catch(std::exception& e){ - handler->client.close(541/*internal error*/, e.what()); + if (errorListener) errorListener->connectionError(e.what()); + handler->proxy.close(541/*internal error*/, e.what()); } } +void ConnectionHandler::setSecureConnection(SecureConnection* secured) +{ + handler->secured = secured; +} + ConnectionHandler::ConnectionHandler(Connection& connection, bool isClient) : handler(new Handler(connection, isClient)) {} ConnectionHandler::Handler::Handler(Connection& c, bool isClient) : - client(c.getOutput()), server(c.getOutput()), - connection(c), serverMode(!isClient) + proxy(c.getOutput()), + connection(c), serverMode(!isClient), acl(0), secured(0) { if (serverMode) { + + acl = connection.getBroker().getAcl(); + FieldTable properties; Array mechanisms(0x95); - + + properties.setString(QPID_FED_TAG, connection.getBroker().getFederationTag()); + authenticator = SaslAuthenticator::createAuthenticator(c); authenticator->getMechanisms(mechanisms); - + Array locales(0x95); boost::shared_ptr<FieldValue> l(new Str16Value(en_US)); locales.add(l); - client.start(properties, mechanisms, locales); + proxy.start(properties, mechanisms, locales); } } @@ -91,65 +112,138 @@ ConnectionHandler::Handler::Handler(Connection& c, bool isClient) : ConnectionHandler::Handler::~Handler() {} -void ConnectionHandler::Handler::startOk(const framing::FieldTable& /*clientProperties*/, - const string& mechanism, +void ConnectionHandler::Handler::startOk(const framing::FieldTable& clientProperties, + const string& mechanism, const string& response, const string& /*locale*/) { - authenticator->start(mechanism, response); + try { + authenticator->start(mechanism, response); + } catch (std::exception& /*e*/) { + management::ManagementAgent* agent = connection.getAgent(); + if (agent) { + string error; + string uid; + authenticator->getError(error); + authenticator->getUid(uid); + agent->raiseEvent(_qmf::EventClientConnectFail(connection.getMgmtId(), uid, error)); + } + throw; + } + connection.setFederationLink(clientProperties.get(QPID_FED_LINK)); + connection.setFederationPeerTag(clientProperties.getAsString(QPID_FED_TAG)); + if (connection.isFederationLink()) { + if (acl && !acl->authorise(connection.getUserId(),acl::ACT_CREATE,acl::OBJ_LINK,"")){ + proxy.close(framing::connection::CLOSE_CODE_CONNECTION_FORCED,"ACL denied creating a federation link"); + return; + } + QPID_LOG(info, "Connection is a federation link"); + } + if (clientProperties.getAsInt(SESSION_FLOW_CONTROL) == SESSION_FLOW_CONTROL_VER) { + connection.setClientThrottling(); + } + + if (connection.getMgmtObject() != 0) { + string procName = clientProperties.getAsString(CLIENT_PROCESS_NAME); + uint32_t pid = clientProperties.getAsInt(CLIENT_PID); + uint32_t ppid = clientProperties.getAsInt(CLIENT_PPID); + + if (!procName.empty()) + connection.getMgmtObject()->set_remoteProcessName(procName); + if (pid != 0) + connection.getMgmtObject()->set_remotePid(pid); + if (ppid != 0) + connection.getMgmtObject()->set_remoteParentPid(ppid); + } } - + void ConnectionHandler::Handler::secureOk(const string& response) { - authenticator->step(response); + try { + authenticator->step(response); + } catch (std::exception& /*e*/) { + management::ManagementAgent* agent = connection.getAgent(); + if (agent) { + string error; + string uid; + authenticator->getError(error); + authenticator->getUid(uid); + agent->raiseEvent(_qmf::EventClientConnectFail(connection.getMgmtId(), uid, error)); + } + throw; + } } - + void ConnectionHandler::Handler::tuneOk(uint16_t /*channelmax*/, uint16_t framemax, uint16_t heartbeat) { connection.setFrameMax(framemax); - connection.setHeartbeat(heartbeat); + connection.setHeartbeatInterval(heartbeat); } - + void ConnectionHandler::Handler::open(const string& /*virtualHost*/, const framing::Array& /*capabilities*/, bool /*insist*/) { - framing::Array knownhosts; - client.openOk(knownhosts); + std::vector<Url> urls = connection.broker.getKnownBrokers(); + framing::Array array(0x95); // str16 array + for (std::vector<Url>::iterator i = urls.begin(); i < urls.end(); ++i) + array.add(boost::shared_ptr<Str16Value>(new Str16Value(i->str()))); + proxy.openOk(array); + + //install security layer if one has been negotiated: + if (secured) { + std::auto_ptr<SecurityLayer> sl = authenticator->getSecurityLayer(connection.getFrameMax()); + if (sl.get()) secured->activateSecurityLayer(sl); + } } - + void ConnectionHandler::Handler::close(uint16_t replyCode, const string& replyText) { if (replyCode != 200) { QPID_LOG(warning, "Client closed connection with " << replyCode << ": " << replyText); } - if (replyCode == framing::connection::CONNECTION_FORCED) + if (replyCode == framing::connection::CLOSE_CODE_CONNECTION_FORCED) connection.notifyConnectionForced(replyText); - client.closeOk(); + proxy.closeOk(); connection.getOutput().close(); -} - +} + void ConnectionHandler::Handler::closeOk(){ connection.getOutput().close(); -} +} +void ConnectionHandler::Handler::heartbeat(){ + // For general case, do nothing - the purpose of heartbeats is + // just to make sure that there is some traffic on the connection + // within the heart beat interval, we check for the traffic and + // don't need to do anything in response to heartbeats. The + // exception is when we are in fact the client to another broker + // (i.e. an inter-broker link), in which case we echo the + // heartbeat back to the peer + if (!serverMode) proxy.heartbeat(); +} -void ConnectionHandler::Handler::start(const FieldTable& /*serverProperties*/, +void ConnectionHandler::Handler::start(const FieldTable& serverProperties, const framing::Array& /*mechanisms*/, const framing::Array& /*locales*/) { string mechanism = connection.getAuthMechanism(); string response = connection.getAuthCredentials(); - - server.startOk(FieldTable(), mechanism, response, en_US); + + connection.setFederationPeerTag(serverProperties.getAsString(QPID_FED_TAG)); + + FieldTable ft; + ft.setInt(QPID_FED_LINK,1); + ft.setString(QPID_FED_TAG, connection.getBroker().getFederationTag()); + proxy.startOk(ft, mechanism, response, en_US); } void ConnectionHandler::Handler::secure(const string& /*challenge*/) { - server.secureOk(""); + proxy.secureOk(""); } void ConnectionHandler::Handler::tune(uint16_t channelMax, @@ -159,15 +253,19 @@ void ConnectionHandler::Handler::tune(uint16_t channelMax, { connection.setFrameMax(frameMax); connection.setHeartbeat(heartbeatMax); - server.tuneOk(channelMax, frameMax, heartbeatMax); - server.open("/", Array(), true); + proxy.tuneOk(channelMax, frameMax, heartbeatMax); + proxy.open("/", Array(), true); } -void ConnectionHandler::Handler::openOk(const framing::Array& /*knownHosts*/) +void ConnectionHandler::Handler::openOk(const framing::Array& knownHosts) { + for (Array::ValueVector::const_iterator i = knownHosts.begin(); i != knownHosts.end(); ++i) { + Url url((*i)->get<std::string>()); + connection.getKnownHosts().push_back(url); + } } void ConnectionHandler::Handler::redirect(const string& /*host*/, const framing::Array& /*knownHosts*/) { - + } |
