+++ /dev/null
-/*
- * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2010 by Alexander Barton (alex@barton.de)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * Please read the file COPYING, README and AUTHORS for more information.
- *
- * Rendezvous service registration.
- *
- * Supported APIs are:
- * - Apple Mac OS X
- * - Howl
- */
-
-
-#include "portab.h"
-
-#ifdef ZEROCONF
-
-
-#include "imp.h"
-#include <assert.h>
-
-#include <stdio.h>
-#include <string.h>
-
-#ifdef HAVE_MACH_PORT_H
-#include "mach/port.h"
-#include "mach/message.h"
-#endif
-
-#ifdef HAVE_DNSSERVICEDISCOVERY_DNSSERVICEDISCOVERY_H
-#include <DNSServiceDiscovery/DNSServiceDiscovery.h>
-#endif
-
-#ifdef HAVE_RENDEZVOUS_RENDEZVOUS_H
-#include <rendezvous/rendezvous.h>
-#endif
-
-#include "defines.h"
-#include "conn.h"
-#include "conf.h"
-#include "log.h"
-
-#include "exp.h"
-#include "rendezvous.h"
-
-
-#if defined(HAVE_DNSSERVICEREGISTRATIONCREATE)
-# define APPLE
-#elif defined(HAVE_SW_DISCOVERY_INIT)
-# define HOWL
-#else
-# error "Can't detect Rendezvous API!?"
-#endif
-
-
-#define MAX_RENDEZVOUS 1000
-
-typedef struct _service
-{
- char Desc[CLIENT_ID_LEN];
-#ifdef APPLE
- dns_service_discovery_ref Discovery_Ref;
- mach_port_t Mach_Port;
-#endif
-#ifdef HOWL
- sw_discovery_oid Id;
-#endif
-} SERVICE;
-
-static SERVICE My_Rendezvous[MAX_RENDEZVOUS];
-
-
-static void Unregister( int Idx );
-
-
-/* -- Apple API -- */
-
-#ifdef APPLE
-
-#define MAX_MACH_MSG_SIZE 512
-
-static void Registration_Reply_Handler( DNSServiceRegistrationReplyErrorType ErrCode, void *Context );
-
-#endif /* Apple */
-
-
-/* -- Howl API -- */
-
-#ifdef HOWL
-
-static sw_discovery My_Discovery_Session = NULL;
-static sw_salt My_Salt;
-
-static sw_result HOWL_API Registration_Reply_Handler( sw_discovery Session, sw_discovery_publish_status Status, sw_discovery_oid Id, sw_opaque Extra );
-
-#endif /* Howl */
-
-
-GLOBAL void Rendezvous_Init( void )
-{
- /* Initialize structures */
-
- int i;
-
- for (i = 0; i < MAX_RENDEZVOUS; i++)
- My_Rendezvous[i].Desc[0] = '\0';
-
- if (!Conf_ZeroConf)
- return;
-
-#ifdef HOWL
- if( sw_discovery_init( &My_Discovery_Session ) != SW_OKAY )
- {
- Log( LOG_EMERG, "Can't initialize Rendezvous (Howl): sw_discovery_init() failed!" );
- Log( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
- exit( 1 );
- }
-
- if( sw_discovery_salt( My_Discovery_Session, &My_Salt ) != SW_OKAY )
- {
- Log( LOG_EMERG, "Can't initialize Rendezvous (Howl): sw_discovery_salt() failed!" );
- Log( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
- exit( 1 );
- }
-#endif
-} /* Rendezvous_Init */
-
-
-GLOBAL void Rendezvous_Exit( void )
-{
- /* Clean up & exit module */
-
- int i;
-
- for( i = 0; i < MAX_RENDEZVOUS; i++ )
- {
- if( My_Rendezvous[i].Desc[0] ) Unregister( i );
- }
-
-#ifdef HOWL
- sw_discovery_fina( My_Discovery_Session );
-#endif
-} /* Rendezvous_Exit */
-
-
-/**
- * Register ZeroConf service
- */
-GLOBAL bool Rendezvous_Register( char *Name, char *Type, UINT16 Port )
-{
- int i;
-
- if (!Conf_ZeroConf)
- return true;
-
- /* Search free port structure */
- for( i = 0; i < MAX_RENDEZVOUS; i++ ) if( ! My_Rendezvous[i].Desc[0] ) break;
- if( i >= MAX_RENDEZVOUS )
- {
- Log( LOG_ERR, "Can't register \"%s\" with Rendezvous: limit (%d) reached!", Name, MAX_RENDEZVOUS );
- return false;
- }
- strlcpy( My_Rendezvous[i].Desc, Name, sizeof( My_Rendezvous[i].Desc ));
-
-#ifdef APPLE
- /* Register new service */
- My_Rendezvous[i].Discovery_Ref = DNSServiceRegistrationCreate( Name, Type, "", htonl( Port ), "", Registration_Reply_Handler, &My_Rendezvous[i] );
- if( ! My_Rendezvous[i].Discovery_Ref )
- {
- Log( LOG_ERR, "Can't register \"%s\" with Rendezvous: can't register service!", My_Rendezvous[i].Desc );
- My_Rendezvous[i].Desc[0] = '\0';
- return false;
- }
-
- /* Get and save the corresponding Mach Port */
- My_Rendezvous[i].Mach_Port = DNSServiceDiscoveryMachPort( My_Rendezvous[i].Discovery_Ref );
- if( ! My_Rendezvous[i].Mach_Port )
- {
- Log( LOG_ERR, "Can't register \"%s\" with Rendezvous: got no Mach Port!", My_Rendezvous[i].Desc );
- /* Here we actually leek a descriptor :-( */
- My_Rendezvous[i].Discovery_Ref = 0;
- My_Rendezvous[i].Desc[0] = '\0';
- return false;
- }
-#endif /* Apple */
-
-#ifdef HOWL
- if( sw_discovery_publish( My_Discovery_Session, 0, Name, Type, NULL, NULL, Port, NULL, 0, Registration_Reply_Handler, &My_Rendezvous[i], &My_Rendezvous[i].Id ) != SW_OKAY )
- {
- Log( LOG_ERR, "Can't register \"%s\" with Rendezvous: can't register service!", My_Rendezvous[i].Desc );
- My_Rendezvous[i].Desc[0] = '\0';
- return false;
- }
-#endif /* Howl */
-
- Log( LOG_DEBUG, "Rendezvous: Registering \"%s\" ...", My_Rendezvous[i].Desc );
- return true;
-} /* Rendezvous_Register */
-
-
-GLOBAL bool Rendezvous_Unregister( char *Name )
-{
- /* Unregister service from rendezvous */
-
- int i;
- bool ok;
-
- ok = false;
- for( i = 0; i < MAX_RENDEZVOUS; i++ )
- {
- if( strcmp( Name, My_Rendezvous[i].Desc ) == 0 )
- {
- Unregister( i );
- ok = true;
- }
- }
-
- return ok;
-} /* Rendezvous_Unregister */
-
-
-GLOBAL void Rendezvous_UnregisterListeners( void )
-{
- /* Unregister all our listening sockets from Rendezvous */
-
- int i;
-
- for( i = 0; i < MAX_RENDEZVOUS; i++ )
- {
- if( My_Rendezvous[i].Desc[0] ) Unregister( i );
- }
-} /* Rendezvous_UnregisterListeners */
-
-
-GLOBAL void Rendezvous_Handler( void )
-{
- /* Handle all Rendezvous stuff; this function must be called
- * periodically from the run loop of the main program */
-
- if (!Conf_ZeroConf)
- return;
-
-#ifdef APPLE
- int i;
- char buffer[MAX_MACH_MSG_SIZE];
- mach_msg_return_t result;
- mach_msg_header_t *msg;
-
- for( i = 0; i < MAX_RENDEZVOUS; i++ )
- {
- if( ! My_Rendezvous[i].Discovery_Ref ) continue;
-
- /* Read message from Mach Port */
- msg = (mach_msg_header_t *)buffer;
- result = mach_msg( msg, MACH_RCV_MSG|MACH_RCV_TIMEOUT, 0, MAX_MACH_MSG_SIZE, My_Rendezvous[i].Mach_Port, 1, 0 );
-
- /* Handle message */
- if( result == MACH_MSG_SUCCESS ) DNSServiceDiscovery_handleReply( msg );
-#ifdef DEBUG
- else if( result != MACH_RCV_TIMED_OUT ) Log( LOG_DEBUG, "mach_msg(): %ld", (long)result );
-#endif /* Debug */
- }
-#endif /* Apple */
-
-#ifdef HOWL
- sw_ulong msecs = 10;
- sw_salt_step( My_Salt, &msecs );
-#endif
-} /* Rendezvous_Handler */
-
-
-static void Unregister( int Idx )
-{
- /* Unregister service */
-
-#ifdef APPLE
- DNSServiceDiscoveryDeallocate( My_Rendezvous[Idx].Discovery_Ref );
-#endif /* Apple */
-
-#ifdef HOWL
- if( sw_discovery_cancel( My_Discovery_Session, My_Rendezvous[Idx].Id ) != SW_OKAY )
- {
- Log( LOG_ERR, "Rendezvous: Failed to unregister \"%s\"!", My_Rendezvous[Idx].Desc );
- return;
- }
-#endif /* Howl */
-
- Log( LOG_INFO, "Unregistered \"%s\" from Rendezvous.", My_Rendezvous[Idx].Desc );
- My_Rendezvous[Idx].Desc[0] = '\0';
-} /* Unregister */
-
-
-/* -- Apple API -- */
-
-#ifdef APPLE
-
-
-static void Registration_Reply_Handler( DNSServiceRegistrationReplyErrorType ErrCode, void *Context )
-{
- SERVICE *s = (SERVICE *)Context;
- char txt[50];
-
- if( ErrCode == kDNSServiceDiscoveryNoError )
- {
- /* Success! */
- Log( LOG_INFO, "Successfully registered \"%s\" with Rendezvous.", s->Desc );
- return;
- }
-
- switch( ErrCode )
- {
- case kDNSServiceDiscoveryAlreadyRegistered:
- strcpy( txt, "name already registered!" );
- break;
- case kDNSServiceDiscoveryNameConflict:
- strcpy( txt, "name conflict!" );
- break;
- default:
- snprintf(txt, sizeof txt, "error code %ld!",
- (long)ErrCode);
- }
-
- Log( LOG_INFO, "Can't register \"%s\" with Rendezvous: %s", s->Desc, txt );
- s->Desc[0] = '\0';
-} /* Registration_Reply_Handler */
-
-
-#endif /* Apple */
-
-
-/* -- Howl API -- */
-
-#ifdef HOWL
-
-
-static sw_result HOWL_API Registration_Reply_Handler( sw_discovery Session, sw_discovery_publish_status Status, UNUSED sw_discovery_oid Id, sw_opaque Extra )
-{
- SERVICE *s = (SERVICE *)Extra;
- char txt[50];
-
- assert( Session == My_Discovery_Session );
- assert( Extra != NULL );
-
- if( Status == SW_DISCOVERY_PUBLISH_STARTED || Status == SW_DISCOVERY_PUBLISH_STOPPED )
- {
- /* Success! */
- Log( LOG_INFO, "Successfully registered \"%s\" with Rendezvous.", s->Desc );
- return SW_OKAY;
- }
-
- switch( Status )
- {
- case SW_DISCOVERY_PUBLISH_NAME_COLLISION:
- strcpy( txt, "name conflict!" );
- break;
- default:
- snprintf(txt, sizeof txt, "error code %ld!",
- (long)Status);
- }
-
- Log( LOG_INFO, "Can't register \"%s\" with Rendezvous: %s", s->Desc, txt );
- s->Desc[0] = '\0';
-
- return SW_OKAY;
-} /* Registration_Reply_Handler */
-
-
-#endif /* Howl */
-
-
-#endif /* ZEROCONF */
-
-
-/* -eof- */
projects / ngircd-alex.git / blobdiff