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gk.cxx
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//////////////////////////////////////////////////////////////////
//
// gk.cxx for GNU Gatekeeper
//
// Copyright (c) 2000-2015, Jan Willamowius
//
// This work is published under the GNU Public License version 2 (GPLv2)
// see file COPYING for details.
// We also explicitly grant the right to link this code
// with the OpenH323/H323Plus and OpenSSL library.
//
//////////////////////////////////////////////////////////////////
#include <ptlib.h>
#include <ptlib/sockets.h>
#ifndef _WIN32
#define HAS_SETUSERNAME
#include <signal.h>
#endif
#ifdef P_LINUX
#include <sys/resource.h>
#include <sys/mman.h>
#endif
#include <h225.h>
#include "h323util.h"
#include "Toolkit.h"
#include "stl_supp.h"
#include "RasSrv.h"
#include "RasTbl.h"
#include "ProxyChannel.h"
#include "SoftPBX.h"
#include "MakeCall.h"
#include "gktimer.h"
#include "gk.h"
#include "config.h"
#include "capctrl.h"
#include "snmp.h"
using std::vector;
PCREATE_PROCESS(Gatekeeper)
#if defined(_WIN32) && (_WIN32_WINNT >= WINDOWS_VISTA)
LPFN_WSASENDMSG g_pfWSASendMsg = NULL;
#endif
PTextFile* Gatekeeper::m_logFile = NULL;
PFilePath Gatekeeper::m_logFilename;
PMutex Gatekeeper::m_logFileMutex;
int Gatekeeper::m_rotateInterval = -1;
int Gatekeeper::m_rotateMinute = 0;
int Gatekeeper::m_rotateHour = 0;
int Gatekeeper::m_rotateDay = 0;
GkTimer* Gatekeeper::m_rotateTimer = GkTimerManager::INVALID_HANDLE;
const char * KnownConfigEntries[][2] = {
// valid config entries
#ifdef HAS_DATABASE
{ "AlternateGatekeepers::SQL", "CacheTimeout" },
{ "AlternateGatekeepers::SQL", "Database" },
{ "AlternateGatekeepers::SQL", "Driver" },
{ "AlternateGatekeepers::SQL", "Host" },
{ "AlternateGatekeepers::SQL", "Library" },
{ "AlternateGatekeepers::SQL", "MinPoolSize" },
{ "AlternateGatekeepers::SQL", "Password" },
{ "AlternateGatekeepers::SQL", "Query" },
{ "AlternateGatekeepers::SQL", "Username" },
{ "AssignedAliases::SQL", "CacheTimeout" },
{ "AssignedAliases::SQL", "Database" },
{ "AssignedAliases::SQL", "Driver" },
{ "AssignedAliases::SQL", "Host" },
{ "AssignedAliases::SQL", "Library" },
{ "AssignedAliases::SQL", "MinPoolSize" },
{ "AssignedAliases::SQL", "Password" },
{ "AssignedAliases::SQL", "Query" },
{ "AssignedAliases::SQL", "Username" },
{ "AssignedGatekeepers::SQL", "CacheTimeout" },
{ "AssignedGatekeepers::SQL", "Database" },
{ "AssignedGatekeepers::SQL", "Driver" },
{ "AssignedGatekeepers::SQL", "Host" },
{ "AssignedGatekeepers::SQL", "Library" },
{ "AssignedGatekeepers::SQL", "MinPoolSize" },
{ "AssignedGatekeepers::SQL", "Password" },
{ "AssignedGatekeepers::SQL", "Query" },
{ "AssignedGatekeepers::SQL", "Username" },
#ifdef HAS_LANGUAGE
{ "AssignedLanguage::SQL", "CacheTimeout" },
{ "AssignedLanguage::SQL", "Database" },
{ "AssignedLanguage::SQL", "Driver" },
{ "AssignedLanguage::SQL", "Host" },
{ "AssignedLanguage::SQL", "Library" },
{ "AssignedLanguage::SQL", "MinPoolSize" },
{ "AssignedLanguage::SQL", "Password" },
{ "AssignedLanguage::SQL", "Query" },
{ "AssignedLanguage::SQL", "Username" },
#endif
#endif
{ "CTI::Agents", "CTI_Timeout" }, // obsolete, but still accepted
{ "CTI::Agents", "RequestTimeout" },
{ "CTI::Agents", "VirtualQueue" }, // obsolete, but still accepted
{ "CTI::Agents", "VirtualQueueAliases" },
{ "CTI::Agents", "VirtualQueuePrefixes" },
{ "CTI::Agents", "VirtualQueueRegex" },
{ "CTI::MakeCall", "DisableFastStart" },
{ "CTI::MakeCall", "DisableH245Tunneling" },
{ "CTI::MakeCall", "EndpointAlias" },
{ "CTI::MakeCall", "Gatekeeper" },
{ "CTI::MakeCall", "Interface" },
{ "CTI::MakeCall", "UseH450" }, // obsolete, but still accepted
{ "CTI::MakeCall", "TransferMethod" },
{ "CallTable", "AcctUpdateInterval" },
{ "CallTable", "DefaultCallDurationLimit" },
{ "CallTable", "DefaultCallTimeout" },
{ "CallTable", "DisabledCodecs" },
{ "CallTable", "GenerateNBCDR" },
{ "CallTable", "GenerateUCCDR" },
{ "CallTable", "IRRCheck" },
{ "CallTable", "IRRFrequency" },
{ "CallTable", "SingleFailoverCDR" },
{ "CallTable", "TimestampFormat" },
{ "Endpoint", "Discovery" },
{ "Endpoint", "E164" },
#ifdef HAS_H46018
{ "Endpoint", "EnableH46018" },
#endif
#ifdef HAS_H46023
{ "Endpoint", "EnableH46023" },
#endif
{ "Endpoint", "EndpointIdentifier" },
{ "Endpoint", "ForwardDestIp" },
{ "Endpoint", "Gatekeeper" },
{ "Endpoint", "GatekeeperIdentifier" },
{ "Endpoint", "H323ID" },
{ "Endpoint", "HideGk" },
{ "Endpoint", "NATKeepaliveInterval" },
{ "Endpoint", "NATRetryInterval" },
{ "Endpoint", "Password" },
{ "Endpoint", "Prefix" },
{ "Endpoint", "ProductId" },
{ "Endpoint", "ProductVersion" },
{ "Endpoint", "RRQRetryInterval" },
{ "Endpoint", "EnableAdditiveRegistration" },
{ "Endpoint", "TimeToLive" },
{ "Endpoint", "Type" },
{ "Endpoint", "UnregisterOnReload" },
#ifdef HAS_TLS
{ "Endpoint", "UseTLS" },
#endif
{ "Endpoint", "UseAlternateGK" },
{ "Endpoint", "Vendor" },
{ "FileAcct", "CDRString" },
{ "FileAcct", "DetailFile" },
{ "FileAcct", "Rotate" },
{ "FileAcct", "RotateDay" },
{ "FileAcct", "RotateTime" },
{ "FileAcct", "StandardCDRFormat" },
{ "FileAcct", "TimestampFormat" },
{ "Gatekeeper::Acct", "CapacityControl" },
{ "Gatekeeper::Acct", "FileAcct" },
{ "Gatekeeper::Acct", "RadAcct" },
{ "Gatekeeper::Acct", "SQLAcct" },
{ "Gatekeeper::Acct", "StatusAcct" },
{ "Gatekeeper::Acct", "SyslogAcct" },
{ "Gatekeeper::Acct", "default" },
{ "Gatekeeper::Auth", "AliasAuth" },
{ "Gatekeeper::Auth", "CapacityControl" },
{ "Gatekeeper::Auth", "FileIPAuth" },
{ "Gatekeeper::Auth", "H350PasswordAuth" },
{ "Gatekeeper::Auth", "LuaAuth" },
{ "Gatekeeper::Auth", "PrefixAuth" },
{ "Gatekeeper::Auth", "RadAliasAuth" },
{ "Gatekeeper::Auth", "RadAuth" },
{ "Gatekeeper::Auth", "SQLAliasAuth" },
{ "Gatekeeper::Auth", "SQLAuth" },
{ "Gatekeeper::Auth", "SQLPasswordAuth" },
{ "Gatekeeper::Auth", "SimplePasswordAuth" },
{ "Gatekeeper::Auth", "default" },
{ "Gatekeeper::Main", "AlternateGKs" },
{ "Gatekeeper::Main", "Authenticators" },
{ "Gatekeeper::Main", "Bind" },
{ "Gatekeeper::Main", "CompareAliasCase" },
{ "Gatekeeper::Main", "CompareAliasType" },
{ "Gatekeeper::Main", "DefaultDomain" },
{ "Gatekeeper::Main", "DisconnectCallsOnShutdown" },
#ifdef hasIPV6
{ "Gatekeeper::Main", "EnableIPv6" },
#endif
{ "Gatekeeper::Main", "EnableTTLRestrictions" },
{ "Gatekeeper::Main", "EncryptAllPasswords" },
{ "Gatekeeper::Main", "EndpointIDSuffix" },
{ "Gatekeeper::Main", "EndpointSignalPort" },
{ "Gatekeeper::Main", "EndpointSuffix" },
{ "Gatekeeper::Main", "ExternalIP" },
{ "Gatekeeper::Main", "ExternalIsDynamic" },
{ "Gatekeeper::Main", "FortyTwo" }, // obsolete
{ "Gatekeeper::Main", "FourtyTwo" }, // obsolete
{ "Gatekeeper::Main", "Home" },
{ "Gatekeeper::Main", "ListenQueueLength" },
{ "Gatekeeper::Main", "MaxASNArraySize" },
{ "Gatekeeper::Main", "MaxSocketQueue" },
{ "Gatekeeper::Main", "MaxStatusClients" },
{ "Gatekeeper::Main", "MaximumBandwidthPerCall" },
{ "Gatekeeper::Main", "MinimumBandwidthPerCall" },
{ "Gatekeeper::Main", "MinH323Version" },
{ "Gatekeeper::Main", "MulticastGroup" },
{ "Gatekeeper::Main", "MulticastPort" },
{ "Gatekeeper::Main", "Name" },
{ "Gatekeeper::Main", "NetworkInterfaces" },
{ "Gatekeeper::Main", "RedirectGK" },
{ "Gatekeeper::Main", "SendTo" },
{ "Gatekeeper::Main", "SkipForwards" },
{ "Gatekeeper::Main", "SshStatusPort" },
{ "Gatekeeper::Main", "StatusEventBacklog" },
{ "Gatekeeper::Main", "StatusEventBacklogRegex" },
{ "Gatekeeper::Main", "StatusPort" },
{ "Gatekeeper::Main", "StatusTraceLevel" },
{ "Gatekeeper::Main", "TimeToLive" },
{ "Gatekeeper::Main", "TimestampFormat" },
{ "Gatekeeper::Main", "TotalBandwidth" },
{ "Gatekeeper::Main", "TraceLevel" },
{ "Gatekeeper::Main", "TTLExpireDropCall" },
{ "Gatekeeper::Main", "UnicastRasPort" },
{ "Gatekeeper::Main", "UseBroadcastListener" },
{ "Gatekeeper::Main", "UseMulticastListener" },
#ifdef HAS_GEOIP
{ "GeoIPAuth", "AllowedCountries" },
{ "GeoIPAuth", "Database" },
#endif
#ifdef H323_H350
{ "GkH350::Settings", "AssignedAliases" },
{ "GkH350::Settings", "BindAuthMode" },
{ "GkH350::Settings", "BindUserDN" },
{ "GkH350::Settings", "BindUserPW" },
{ "GkH350::Settings", "GatekeeperDiscovery" },
{ "GkH350::Settings", "SearchBaseDN" },
{ "GkH350::Settings", "ServerName" },
{ "GkH350::Settings", "ServerPort" },
{ "GkH350::Settings", "ServiceControl" },
#ifdef hasLDAPStartTLS
{ "GkH350::Settings", "StartTLS" },
#endif
#endif
#ifdef P_LDAP
{ "GkLDAP::LDAPAttributeNames", "CallDestination" },
{ "GkLDAP::LDAPAttributeNames", "H235PassWord" },
{ "GkLDAP::LDAPAttributeNames", "H323ID" },
{ "GkLDAP::LDAPAttributeNames", "IPAddress" },
{ "GkLDAP::LDAPAttributeNames", "TelephonNo" },
{ "GkLDAP::Settings", "BindAuthMode" },
{ "GkLDAP::Settings", "BindUserDN" },
{ "GkLDAP::Settings", "BindUserPW" },
{ "GkLDAP::Settings", "SearchBaseDN" },
{ "GkLDAP::Settings", "ServerName" },
{ "GkLDAP::Settings", "ServerPort" },
{ "GkLDAP::Settings", "sizelimit" },
#ifdef hasLDAPStartTLS
{ "GkLDAP::Settings", "StartTLS" },
#endif
{ "GkLDAP::Settings", "timelimit" },
#endif
#ifdef HAS_DATABASE
{ "GkPresence::SQL", "CacheTimeout" },
{ "GkPresence::SQL", "Database" },
{ "GkPresence::SQL", "Driver" },
{ "GkPresence::SQL", "Host" },
{ "GkPresence::SQL", "IncrementalUpdate" },
{ "GkPresence::SQL", "Library" },
{ "GkPresence::SQL", "Password" },
{ "GkPresence::SQL", "MinPoolSize" },
{ "GkPresence::SQL", "QueryAdd" },
{ "GkPresence::SQL", "QueryDelete" },
{ "GkPresence::SQL", "QueryList" },
{ "GkPresence::SQL", "QueryUpdate" },
{ "GkPresence::SQL", "UpdateWorkerTimer" },
{ "GkPresence::SQL", "Username" },
#endif
{ "GkQoSMonitor", "CallEndOnly" },
{ "GkQoSMonitor", "DetailFile" },
{ "GkQoSMonitor", "Enable" },
#ifdef HAS_DATABASE
{ "GkQoSMonitor::SQL", "CacheTimeout" },
{ "GkQoSMonitor::SQL", "Database" },
{ "GkQoSMonitor::SQL", "Driver" },
{ "GkQoSMonitor::SQL", "Host" },
{ "GkQoSMonitor::SQL", "Library" },
{ "GkQoSMonitor::SQL", "Password" },
{ "GkQoSMonitor::SQL", "Query" },
{ "GkQoSMonitor::SQL", "Username" },
#endif
{ "GkStatus::Filtering", "Enable" },
{ "GkStatus::Filtering", "ExcludeFilter" },
{ "GkStatus::Filtering", "IncludeFilter" },
{ "GkStatus::Filtering", "NewRCFOnly" },
{ "GkStatus::Message", "Compact" },
{ "GkStatus::Message", "RCF" },
{ "GkStatus::Message", "URQ" },
{ "H235", "CheckQ931SendersID" },
{ "H235", "FullQ931Checking" },
{ "H235", "RequireH2351GeneralID" },
{ "H235", "TimestampGracePeriod" },
{ "H235", "UseEndpointIdentifier" },
{ "H235", "VerifyRandomNumber" },
#ifdef HAS_LUA
{ "LuaAuth", "CallScript" },
{ "LuaAuth", "CallScriptFile" },
{ "LuaAuth", "RegistrationScript" },
{ "LuaAuth", "RegistrationScriptFile" },
#endif
{ "LogFile", "Filename" },
{ "LogFile", "Rotate" },
{ "LogFile", "RotateDay" },
{ "LogFile", "RotateTime" },
{ "PortNotifications", "H245PortOpen" },
{ "PortNotifications", "H245PortClose" },
{ "PortNotifications", "Q931PortOpen" },
{ "PortNotifications", "Q931PortClose" },
{ "PortNotifications", "RadiusPortOpen" },
{ "PortNotifications", "RadiusPortClose" },
{ "PortNotifications", "RASPortOpen" },
{ "PortNotifications", "RASPortClose" },
{ "PortNotifications", "RTPPortOpen" },
{ "PortNotifications", "RTPPortClose" },
{ "PortNotifications", "StatusPortOpen" },
{ "PortNotifications", "StatusPortClose" },
{ "PortNotifications", "T120PortOpen" },
{ "PortNotifications", "T120PortClose" },
#ifdef HAS_H46018
{ "Proxy", "AllowSignaledIPs" },
#endif
{ "Proxy", "CheckH46019KeepAlivePT" },
{ "Proxy", "DisableRTPQueueing" },
{ "Proxy", "Enable" },
{ "Proxy", "EnableRTCPStats" },
{ "Proxy", "EnableRTPMute" },
{ "Proxy", "ExplicitRoutes" },
#ifdef HAS_H46018
{ "Proxy", "IgnoreSignaledIPs" },
{ "Proxy", "IgnoreSignaledPrivateH239IPs" },
#endif
{ "Proxy", "InternalNetwork" },
{ "Proxy", "ProxyAlways" },
{ "Proxy", "ProxyForNAT" },
{ "Proxy", "ProxyForSameNAT" },
{ "Proxy", "RTPDiffServ" },
{ "Proxy", "RTPMultiplexing" },
{ "Proxy", "RTPMultiplexPort" },
{ "Proxy", "RTCPMultiplexPort" },
{ "Proxy", "RTPPortRange" },
{ "Proxy", "RemoveMCInFastStartTransmitOffer" },
{ "Proxy", "SearchBothSidesOnCLC" },
{ "Proxy", "T120PortRange" },
{ "RadAcct", "AppendCiscoAttributes" },
{ "RadAcct", "DefaultAcctPort" },
{ "RadAcct", "FixedUsername" },
{ "RadAcct", "IdCacheTimeout" },
{ "RadAcct", "LocalInterface" },
{ "RadAcct", "RadiusPortRange" },
{ "RadAcct", "RequestRetransmissions" },
{ "RadAcct", "RequestTimeout" },
{ "RadAcct", "RoundRobinServers" },
{ "RadAcct", "Servers" },
{ "RadAcct", "SharedSecret" },
{ "RadAcct", "SocketDeleteTimeout" },
{ "RadAcct", "TimestampFormat" },
{ "RadAcct", "UseDialedNumber" },
{ "RadAliasAuth", "AppendCiscoAttributes" },
{ "RadAliasAuth", "DefaultAuthPort" },
{ "RadAliasAuth", "FixedPassword" },
{ "RadAliasAuth", "FixedUsername" },
{ "RadAliasAuth", "IdCacheTimeout" },
{ "RadAliasAuth", "IncludeTerminalAliases" },
{ "RadAliasAuth", "LocalInterface" },
{ "RadAliasAuth", "RadiusPortRange" },
{ "RadAliasAuth", "RequestRetransmissions" },
{ "RadAliasAuth", "RequestTimeout" },
{ "RadAliasAuth", "RoundRobinServers" },
{ "RadAliasAuth", "Servers" },
{ "RadAliasAuth", "SharedSecret" },
{ "RadAliasAuth", "SocketDeleteTimeout" },
{ "RadAliasAuth", "UseDialedNumber" },
{ "RadAliasAuth", "EmptyUsername" },
{ "RadAuth", "AppendCiscoAttributes" },
{ "RadAuth", "DefaultAuthPort" },
{ "RadAuth", "IdCacheTimeout" },
{ "RadAuth", "IncludeTerminalAliases" },
{ "RadAuth", "LocalInterface" },
{ "RadAuth", "RadiusPortRange" },
{ "RadAuth", "RequestRetransmissions" },
{ "RadAuth", "RequestTimeout" },
{ "RadAuth", "RoundRobinServers" },
{ "RadAuth", "Servers" },
{ "RadAuth", "SharedSecret" },
{ "RadAuth", "SocketDeleteTimeout" },
{ "RadAuth", "UseDialedNumber" },
{ "RasSrv::ARQFeatures", "ArjReasonRouteCallToGatekeeper" },
{ "RasSrv::ARQFeatures", "CheckSenderIP" },
{ "RasSrv::ARQFeatures", "RemoveTrailingChar" },
{ "RasSrv::ARQFeatures", "RoundRobinGateways" },
{ "RasSrv::ARQFeatures", "SendRIP" },
{ "RasSrv::LRQFeatures", "AcceptForwardedLRQ" },
{ "RasSrv::LRQFeatures", "AcceptNonNeighborLCF" },
{ "RasSrv::LRQFeatures", "AcceptNonNeighborLRQ" },
{ "RasSrv::LRQFeatures", "AlwaysForwardLRQ" },
#ifdef HAS_LANGUAGE
{ "RasSrv::LRQFeatures", "EnableLanguageRouting" },
#endif
{ "RasSrv::LRQFeatures", "ForwardHopCount" },
{ "RasSrv::LRQFeatures", "ForwardLRQ" },
{ "RasSrv::LRQFeatures", "ForwardResponse" },
{ "RasSrv::LRQFeatures", "LRQPingInterval" },
{ "RasSrv::LRQFeatures", "NeighborTimeout" },
{ "RasSrv::LRQFeatures", "PingAlias" },
{ "RasSrv::LRQFeatures", "SendLRQPing" },
{ "RasSrv::LRQFeatures", "SendRetries" },
{ "RasSrv::LRQFeatures", "SendRIP" },
{ "RasSrv::RRQFeatures", "AcceptEndpointIdentifier" },
{ "RasSrv::RRQFeatures", "AcceptGatewayPrefixes" },
{ "RasSrv::RRQFeatures", "AcceptMCUPrefixes" },
{ "RasSrv::RRQFeatures", "AccHTTPLink" },
{ "RasSrv::RRQFeatures", "AliasTypeFilter" },
{ "RasSrv::RRQFeatures", "AuthenticatedAliasesOnly" },
{ "RasSrv::RRQFeatures", "GatewayAssignAliases" },
{ "RasSrv::RRQFeatures", "IRQPollCount" },
{ "RasSrv::RRQFeatures", "OverwriteEPOnSameAddress" },
{ "RasSrv::RRQFeatures", "SupportDynamicIP" },
#ifdef HAS_DATABASE
{ "RewriteCLI::SQL", "CacheTimeout" },
{ "RewriteCLI::SQL", "Database" },
{ "RewriteCLI::SQL", "Driver" },
{ "RewriteCLI::SQL", "Host" },
{ "RewriteCLI::SQL", "InboundQuery" },
{ "RewriteCLI::SQL", "Library" },
{ "RewriteCLI::SQL", "MinPoolSize" },
{ "RewriteCLI::SQL", "OutboundQuery" },
{ "RewriteCLI::SQL", "Password" },
{ "RewriteCLI::SQL", "Username" },
#endif
{ "RewriteSourceAddress", "ForceAliasType" },
{ "RewriteSourceAddress", "MatchSourceTypeToDestination" },
{ "RewriteSourceAddress", "OnlyE164" },
{ "RewriteSourceAddress", "OnlyValid10Dand11D" },
{ "RewriteSourceAddress", "ReplaceChar" },
{ "RewriteSourceAddress", "Rules" },
{ "RewriteSourceAddress", "TreatNumberURIDialedDigits" },
{ "RoutedMode", "AcceptNeighborCalls" },
{ "RoutedMode", "AcceptNeighborsCalls" },
{ "RoutedMode", "AcceptUnregisteredCalls" },
{ "RoutedMode", "ActivateFailover" },
{ "RoutedMode", "AppendToDisplayIE" },
{ "RoutedMode", "AlertingTimeout" },
{ "RoutedMode", "AlwaysRewriteSourceCallSignalAddress" },
{ "RoutedMode", "AutoProxyIPv4ToIPv6Calls" },
{ "RoutedMode", "CallSignalHandlerNumber" },
{ "RoutedMode", "CallSignalPort" },
{ "RoutedMode", "CalledTypeOfNumber" },
{ "RoutedMode", "CallingTypeOfNumber" },
{ "RoutedMode", "CpsCheckInterval" },
{ "RoutedMode", "CpsLimit" },
{ "RoutedMode", "DisableH245Tunneling" },
{ "RoutedMode", "DisableRetryChecks" },
{ "RoutedMode", "DisableFastStart" },
{ "RoutedMode", "DropCallsByReleaseComplete" },
{ "RoutedMode", "ENUMservers" },
#ifdef HAS_H235_MEDIA
{ "RoutedMode", "EnableH235HalfCallMedia" },
{ "RoutedMode", "EnableH235HalfCallMediaKeyUpdates" },
#endif
{ "RoutedMode", "EnableH450.2" },
#ifdef HAS_H46017
{ "RoutedMode", "EnableH46017" },
#endif
#ifdef HAS_H46018
{ "RoutedMode", "EnableH46018" },
#endif
#ifdef HAS_H46023
{ "RoutedMode", "EnableH46023" },
#endif
#ifdef HAS_H46026
{ "RoutedMode", "EnableH46026" },
#endif
#ifdef HAS_H460P
{ "RoutedMode", "EnableH460P" },
#endif
{ "RoutedMode", "FailoverCauses" },
{ "RoutedMode", "FilterEmptyFacility" },
{ "RoutedMode", "ForceNATKeepAlive" },
{ "RoutedMode", "ForwardOnFacility" },
{ "RoutedMode", "GKRouted" },
{ "RoutedMode", "GenerateCallProceeding" },
#if defined(HAS_H235_MEDIA) && defined (HAS_SETTOKENLENGTH)
{ "RoutedMode", "H235HalfCallMaxTokenLength" },
#endif
{ "RoutedMode", "H245PortRange" },
{ "RoutedMode", "H245Routed" },
{ "RoutedMode", "H245TunnelingTranslation" },
{ "RoutedMode", "H4502EmulatorTransferMethod" },
#ifdef HAS_H46018
{ "RoutedMode", "H46018KeepAliveInterval" },
{ "RoutedMode", "H46018NoNat" },
#endif
#ifdef HAS_H46023
{ "RoutedMode", "H46023PublicIP" },
{ "RoutedMode", "H46023SignalGKRouted" },
{ "RoutedMode", "H46023STUN" },
{ "RoutedMode", "H46024ForceDirect" },
{ "RoutedMode", "H46023ForceNat" },
#endif
{ "RoutedMode", "NATStdMin" },
{ "RoutedMode", "ProxyHandlerHighPrio" },
{ "RoutedMode", "Q931PortRange" },
{ "RoutedMode", "RDSservers" },
{ "RoutedMode", "RemoveCallOnDRQ" },
{ "RoutedMode", "RemoveFaxUDPOptionsFromRM" },
{ "RoutedMode", "RemoveH235Call" },
{ "RoutedMode", "RemoveH245AddressFromSetup" },
{ "RoutedMode", "RemoveH245AddressOnTunneling" },
{ "RoutedMode", "RemoveH460Call" },
{ "RoutedMode", "RemoveSorensonSourceInfo" },
#ifdef HAS_H235_MEDIA
{ "RoutedMode", "RequireH235HalfCallMedia" },
#endif
{ "RoutedMode", "RtpHandlerNumber" },
{ "RoutedMode", "ScreenCallingPartyNumberIE" },
{ "RoutedMode", "ScreenDisplayIE" },
{ "RoutedMode", "ScreenSourceAddress" },
{ "RoutedMode", "SendReleaseCompleteOnDRQ" },
{ "RoutedMode", "SetupTimeout" },
{ "RoutedMode", "ShowForwarderNumber" },
{ "RoutedMode", "SignalTimeout" },
{ "RoutedMode", "SocketCleanupTimeout" },
{ "RoutedMode", "SupportCallingNATedEndpoints" },
{ "RoutedMode", "SupportNATedEndpoints" },
{ "RoutedMode", "TcpKeepAlive" },
{ "RoutedMode", "TLSCallSignalPort" },
{ "RoutedMode", "TranslateFacility" },
{ "RoutedMode", "TranslateReceivedQ931Cause" },
{ "RoutedMode", "TreatUnregisteredNAT" },
{ "RoutedMode", "TranslateSentQ931Cause" },
{ "RoutedMode", "TranslateSorensonSourceInfo" },
#ifdef HAS_H46026
{ "RoutedMode", "UseH46026PriorityQueue" },
#endif
{ "RoutedMode", "UseProvisionalRespToH245Tunneling" },
{ "Routing::CatchAll", "CatchAllAlias" },
{ "Routing::CatchAll", "CatchAllIP" },
{ "Routing::DNS", "ResolveNonLocalLRQ" },
{ "Routing::ENUM", "ResolveLRQ" },
{ "Routing::Forwarding", "CacheTimeout" },
{ "Routing::Forwarding", "Database" },
{ "Routing::Forwarding", "Driver" },
{ "Routing::Forwarding", "Host" },
{ "Routing::Forwarding", "Library" },
{ "Routing::Forwarding", "MinPoolSize" },
{ "Routing::Forwarding", "Password" },
{ "Routing::Forwarding", "Query" },
{ "Routing::Forwarding", "Username" },
#ifdef HAS_LUA
{ "Routing::Lua", "Script" },
{ "Routing::Lua", "ScriptFile" },
#endif
{ "Routing::NeighborSql", "CacheTimeout" },
{ "Routing::NeighborSql", "Database" },
{ "Routing::NeighborSql", "Driver" },
{ "Routing::NeighborSql", "Host" },
{ "Routing::NeighborSql", "Library" },
{ "Routing::NeighborSql", "MinPoolSize" },
{ "Routing::NeighborSql", "Password" },
{ "Routing::NeighborSql", "Query" },
{ "Routing::NeighborSql", "Username" },
{ "Routing::RDS", "ResolveLRQ" },
{ "Routing::SRV", "ResolveNonLocalLRQ" },
#ifdef HAS_DATABASE
{ "Routing::Sql", "CacheTimeout" },
{ "Routing::Sql", "Database" },
{ "Routing::Sql", "Driver" },
{ "Routing::Sql", "EnableRegexRewrite" },
{ "Routing::Sql", "Host" },
{ "Routing::Sql", "Library" },
{ "Routing::Sql", "MinPoolSize" },
{ "Routing::Sql", "Password" },
{ "Routing::Sql", "Query" },
{ "Routing::Sql", "Username" },
#endif
#ifdef HAS_SNMP
{ "SNMP", "AllowRequestsFrom" },
{ "SNMP", "AgentListenIP" },
{ "SNMP", "AgentListenPort" },
{ "SNMP", "EnableSNMP" },
{ "SNMP", "Implementation" },
{ "SNMP", "Standalone" },
{ "SNMP", "TrapCommunity" },
{ "SNMP", "TrapHost" },
#endif
#ifdef HAS_DATABASE
{ "SQLAcct", "CacheTimeout" },
{ "SQLAcct", "AlertQuery" },
{ "SQLAcct", "Database" },
{ "SQLAcct", "Driver" },
{ "SQLAcct", "Host" },
{ "SQLAcct", "Library" },
{ "SQLAcct", "MinPoolSize" },
{ "SQLAcct", "OffQuery" },
{ "SQLAcct", "OnQuery" },
{ "SQLAcct", "Password" },
{ "SQLAcct", "RegisterQuery" },
{ "SQLAcct", "StartQuery" },
{ "SQLAcct", "StartQueryAlt" },
{ "SQLAcct", "StopQuery" },
{ "SQLAcct", "StopQueryAlt" },
{ "SQLAcct", "TimestampFormat" },
{ "SQLAcct", "UnregisterQuery" },
{ "SQLAcct", "UpdateQuery" },
{ "SQLAcct", "Username" },
{ "SQLAliasAuth", "CacheTimeout" },
{ "SQLAliasAuth", "Database" },
{ "SQLAliasAuth", "Driver" },
{ "SQLAliasAuth", "Host" },
{ "SQLAliasAuth", "Library" },
{ "SQLAliasAuth", "MinPoolSize" },
{ "SQLAliasAuth", "Password" },
{ "SQLAliasAuth", "Query" },
{ "SQLAliasAuth", "Table" },
{ "SQLAliasAuth", "Username" },
{ "SQLAuth", "CacheTimeout" },
{ "SQLAuth", "CallQuery" },
{ "SQLAuth", "Database" },
{ "SQLAuth", "Driver" },
{ "SQLAuth", "Host" },
{ "SQLAuth", "Library" },
{ "SQLAuth", "MinPoolSize" },
{ "SQLAuth", "NbQuery" },
{ "SQLAuth", "Password" },
{ "SQLAuth", "RegQuery" },
{ "SQLAuth", "Username" },
{ "SQLConfig", "AssignedAliasQuery" },
{ "SQLConfig", "CacheTimeout" },
{ "SQLConfig", "ConfigQuery" },
{ "SQLConfig", "Database" },
{ "SQLConfig", "Driver" },
{ "SQLConfig", "GWPrefixesQuery" },
{ "SQLConfig", "Host" },
{ "SQLConfig", "Library" },
{ "SQLConfig", "MinPoolSize" },
{ "SQLConfig", "NeighborsQuery" },
{ "SQLConfig", "NeighborsQuery2" },
{ "SQLConfig", "Password" },
{ "SQLConfig", "PermanentEndpointsQuery" },
{ "SQLConfig", "RewriteAliasQuery" },
{ "SQLConfig", "RewriteE164Query" },
{ "SQLConfig", "Username" },
{ "SQLPasswordAuth", "CacheTimeout" },
{ "SQLPasswordAuth", "Database" },
{ "SQLPasswordAuth", "Driver" },
{ "SQLPasswordAuth", "Host" },
{ "SQLPasswordAuth", "Library" },
{ "SQLPasswordAuth", "MinPoolSize" },
{ "SQLPasswordAuth", "Password" },
{ "SQLPasswordAuth", "Query" },
{ "SQLPasswordAuth", "Username" },
#endif
{ "StatusAcct", "ConnectEvent" },
{ "StatusAcct", "RegisterEvent" },
{ "StatusAcct", "StartEvent" },
{ "StatusAcct", "StopEvent" },
{ "StatusAcct", "TimestampFormat" },
{ "StatusAcct", "UnregisterEvent" },
{ "StatusAcct", "UpdateEvent" },
{ "SyslogAcct", "ConnectEvent" },
{ "SyslogAcct", "StartEvent" },
{ "SyslogAcct", "StopEvent" },
{ "SyslogAcct", "SyslogFacility" },
{ "SyslogAcct", "SyslogLevel" },
{ "SyslogAcct", "TimestampFormat" },
{ "SyslogAcct", "UpdateEvent" },
#ifdef HAS_TLS
{ "TLS", "CADir" },
{ "TLS", "CAFile" },
{ "TLS", "Certificates" },
{ "TLS", "CheckCertificateIP" },
{ "TLS", "CipherList" },
{ "TLS", "EnableTLS" },
{ "TLS", "Passphrase" },
{ "TLS", "PrivateKey" },
{ "TLS", "RequireRemoteCertificate" },
#endif
// ignore name partially to check
{ "EP::", "AddCallingPartyToSourceAddress" },
{ "EP::", "AddNumbers" },
{ "EP::", "AdditionalDestinationAlias" },
{ "EP::", "CalledTypeOfNumber" },
{ "EP::", "CallingTypeOfNumber" },
{ "EP::", "Capacity" },
{ "EP::", "DisableCallCreditCapabilities" },
{ "EP::", "DisabledCodecs" },
#ifdef HAS_H46017
{ "EP::", "DisableH46017" },
#endif
#ifdef HAS_H46018
{ "EP::", "DisableH46018" },
#endif
{ "EP::", "ForceGateway" },
{ "EP::", "GatewayPrefixes" },
{ "EP::", "GatewayPriority" },
{ "EP::", "MaxBandwidth" },
{ "EP::", "PrefixCapacities" },
{ "EP::", "Proxy" },
{ "EP::", "TranslateReceivedQ931Cause" },
{ "EP::", "TranslateSentQ931Cause" },
#ifdef HAS_TLS
{ "EP::", "UseTLS" },
#endif
{ "Neighbor::", "AcceptForwardedLRQ" },
{ "Neighbor::", "AcceptPrefixes" },
{ "Neighbor::", "AuthUser" },
{ "Neighbor::", "Dynamic" },
{ "Neighbor::", "ForwardHopCount" },
{ "Neighbor::", "ForwardLRQ" },
{ "Neighbor::", "ForwardResponse" },
{ "Neighbor::", "GatekeeperIdentifier" },
#ifdef HAS_H46018
{ "Neighbor::", "H46018Client" },
{ "Neighbor::", "H46018Server" },
#endif
{ "Neighbor::", "Host" },
{ "Neighbor::", "Password" },
{ "Neighbor::", "SendAuthUser" },
{ "Neighbor::", "SendIPs" },
{ "Neighbor::", "SendLRQPing" },
{ "Neighbor::", "SendPassword" },
{ "Neighbor::", "SendPrefixes" },
#ifdef HAS_TLS
{ "Neighbor::", "UseTLS" },
#endif
// uncheckable sections
{ "CapacityControl", "*" },
{ "Endpoint::RewriteE164", "*" },
{ "FileIPAuth", "*" },
{ "GkStatus::Auth", "*" },
{ "H225toQ931", "*" },
#ifdef H323_H350
{ "H350PasswordAuth", "*" },
#endif
{ "ModeSelection", "*" },
{ "ModeVendorSelection", "*" },
{ "NATedEndpoints", "*" },
{ "PrefixAuth", "*" },
{ "RasSrv::AlternateGatekeeper", "*" },
{ "RasSrv::AssignedAlias", "*" },
{ "RasSrv::AssignedGatekeeper", "*" },
{ "RasSrv::GWPrefixes", "*" },
{ "RasSrv::GWRewriteE164", "*" },
{ "RasSrv::Neighbors", "*" },
{ "RasSrv::PermanentEndpoints", "*" },
{ "RasSrv::RRQAuth", "*" },
{ "RasSrv::RewriteAlias", "*" },
{ "RasSrv::RewriteE164", "*" },
{ "ReplyToRasAddress", "*" },
{ "RewriteCLI", "*" },
{ "Routing::Explicit", "*" },
{ "Routing::NumberAnalysis", "*" },
{ "Routing::URIService", "*" },
{ "RoutingPolicy", "*" },
{ "RoutingPolicy::OnARQ", "*" },
{ "RoutingPolicy::OnFacility", "*" },
{ "RoutingPolicy::OnLRQ", "*" },
{ "RoutingPolicy::OnSetup", "*" },
{ "SimplePasswordAuth", "*" },
{ NULL } // the end
};
namespace { // keep the global objects private
PTimedMutex ReloadMutex;
#ifndef _WIN32
PString pidfile("/var/run/gnugk.pid");
#endif
#ifdef P_LINUX
PString RlimAsString(unsigned long rlim_val)
{
return (rlim_val == RLIM_INFINITY) ? PString("unlimited") : PString(rlim_val);
}
#endif
void ShutdownHandler()
{
Gatekeeper::EnableLogFileRotation(false);
// delete singleton objects
PTRACE(3, "GK\tDeleting global reference tables");
// end all calls before deleting handler objects (won't end calls if DisconnectCallsOnShutdown=0)
CallTable::Instance()->ClearTable();
Job::StopAll();
#ifdef HAS_H46018
if (MultiplexedRTPHandler::InstanceExists())
delete MultiplexedRTPHandler::Instance();
#endif
#ifdef HAS_H46026
if (H46026RTPHandler::InstanceExists())
delete H46026RTPHandler::Instance();
#endif
if (CapacityControl::InstanceExists())
delete CapacityControl::Instance();
if (PreliminaryCallTable::InstanceExists())
delete PreliminaryCallTable::Instance();
if (CallTable::InstanceExists())
delete CallTable::Instance();
if (RegistrationTable::InstanceExists())
delete RegistrationTable::Instance();
if (RasServer::InstanceExists())
delete RasServer::Instance();
if (MakeCallEndPoint::InstanceExists())
delete MakeCallEndPoint::Instance();
if (Toolkit::InstanceExists())
delete Toolkit::Instance();
#if defined(HAS_SNMP)
DeleteSNMPAgent();
#endif
PTRACE(3, "GK\tdelete ok");
Gatekeeper::CloseLogFile();
}
bool CheckConfig(PConfig * cfg, const PString & mainsection)
{
unsigned warnings = 0;
bool mainsectionfound = false;
PStringList sections = cfg->GetSections();
for (PINDEX i = 0; i < sections.GetSize(); ++i) {
// check section names
PCaselessString sect = sections[i];
PString fullSectionName = sections[i];
if ((sect.Left(1) == ";") || (sect.Left(1) == "#")) {
continue;
}
if (sect.Left(4) == "EP::") {
sect = "EP::";
}
if (sect.Left(10) == "Neighbor::") {
sect = "Neighbor::";
}
// strip off instance ID for routing sections
if (sect.Left(9) == "Routing::" && sect.Find("::", 9) != P_MAX_INDEX) {
sect = sect.Left(sect.Find("::", 9));
}
if (sect == mainsection) {
mainsectionfound = true;
}
const char * ks = NULL;
unsigned j = 0;
bool found = false;
bool section_checkable = true;
while ((ks = KnownConfigEntries[j][0])) {
if (sect == ks) {
found = true;
section_checkable = (PString(KnownConfigEntries[j][1]) != "*");
break;
}
j++;
}
if (!found) {
cerr << "WARNING: Config section [" << sect << "] unknown" << endl;
PTRACE(0, "WARNING: Config section [" << sect << "] unknown");
SNMP_TRAP(7, SNMPError, Configuration, "Config section [" + sect + "] unknown");
warnings++;
} else if (!section_checkable) {
//PTRACE(0, "Section " << sect << " can't be checked in detail");
} else {
// check all entries in this section
PStringToString entries = cfg->GetAllKeyValues(fullSectionName);
for (PINDEX j = 0; j < entries.GetSize(); j++) {
PCaselessString key = entries.GetKeyAt(j);
PString value = entries.GetDataAt(j);
if (value.IsEmpty()) {
PTRACE(2, "WARNING: Empty entry: [" << fullSectionName << "] " << key << "=");
}
unsigned k = 0;
bool entry_found = false;
// allow Comment= in all sections
entry_found = (key == "Comment");
while ((ks = KnownConfigEntries[k][0]) && !entry_found) {
const char * ke = KnownConfigEntries[k][1];
k++;
if ((sect == ks) && (key == ke)) {
entry_found = true;
break;
}
}
if (!entry_found) {
cerr << "WARNING: Config entry [" << fullSectionName << "] " << key << "=" << value << " unknown" << endl;
PTRACE(0, "WARNING: Config entry [" << fullSectionName << "] " << key << "=" << value << " unknown");
SNMP_TRAP(7, SNMPError, Configuration, "Config entry [" + fullSectionName + "] " + key + " unknown");
warnings++;
}
}
}
}
if (!mainsectionfound) {
PTRACE(0, "WARNING: This doesn't look like a GNU Gatekeeper configuration file!");
SNMP_TRAP(7, SNMPError, Configuration, "No config file");
}
return (warnings == 0);
}
// due to some unknown reason (PWLib bug?),
// we have to delete Toolkit::Instance first,
// or we get core dump
void ExitGK()
{
Gatekeeper::EnableLogFileRotation(false);
delete Toolkit::Instance();
Gatekeeper::CloseLogFile();
_exit(0); // skip exit handlers: we know GnuGk couldn't start, so avoid crash in useless cleanup
}
} // end of anonymous namespace
void ReloadHandler()
{
Gatekeeper::ReopenLogFile();
// only one thread must do this
if (ReloadMutex.Wait(0)) {
/*
** Enter critical Section
*/
ConfigReloadMutex.StartWrite();
/*
** Force reloading config
*/
Toolkit::Instance()->ReloadConfig();
SoftPBX::TimeToLive = GkConfig()->GetInteger("TimeToLive", SoftPBX::TimeToLive);
/*
** Update all gateway prefixes
*/
CallTable::Instance()->LoadConfig();
RegistrationTable::Instance()->LoadConfig();
CallTable::Instance()->UpdatePrefixCapacityCounters();
// don't put this in LoadConfig()
RasServer::Instance()->SetRoutedMode();
// Load ENUM servers
RasServer::Instance()->SetENUMServers();
// Load RDS servers
RasServer::Instance()->SetRDSServers();
RasServer::Instance()->LoadConfig();
Gatekeeper::EnableLogFileRotation();
ConfigReloadMutex.EndWrite();
/*
** Don't disengage current calls!
*/
PTRACE(3, "GK\tCarry on current calls.");
SNMP_TRAP(3, SNMPInfo, General, "Full config reloaded");
// give other threads the chance to pass by this handler
PThread::Sleep(500);
/*
** Leave critical Section
*/
ReloadMutex.Signal();
}
}
#ifdef _WIN32
BOOL WINAPI WinCtrlHandlerProc(DWORD dwCtrlType)
{
PString eventName = "CTRL_UNKNOWN_EVENT";
if (dwCtrlType == CTRL_LOGOFF_EVENT) {
eventName = "CTRL_LOGOFF_EVENT";
PTRACE(2, "GK\tGatekeeper received " << eventName);
// prevent shut down
return FALSE;
}
if (dwCtrlType == CTRL_C_EVENT)
eventName = "CTRL_C_EVENT";
else if (dwCtrlType == CTRL_BREAK_EVENT)
eventName = "CTRL_BREAK_EVENT";