diff options
Diffstat (limited to 'kdnssd/ioslave/dnssd.cpp')
| -rw-r--r-- | kdnssd/ioslave/dnssd.cpp | 369 |
1 files changed, 369 insertions, 0 deletions
diff --git a/kdnssd/ioslave/dnssd.cpp b/kdnssd/ioslave/dnssd.cpp new file mode 100644 index 00000000..650a37ff --- /dev/null +++ b/kdnssd/ioslave/dnssd.cpp @@ -0,0 +1,369 @@ +/*************************************************************************** + * Copyright (C) 2004, 2005 by Jakub Stachowski * + * [email protected] * + * * + * 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. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#include <qcstring.h> +#include <qsocket.h> +#include <qdatetime.h> +#include <qbitarray.h> + +#include <stdlib.h> +#include <math.h> +#include <unistd.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <netinet/in.h> +#include <netdb.h> + +#include <kconfig.h> +#include <kdebug.h> +#include <kmessagebox.h> +#include <kinstance.h> +#include <kglobal.h> +#include <kstandarddirs.h> +#include <ksocketaddress.h> +#include <kprotocolinfo.h> +#include <kcmdlineargs.h> +#include <klocale.h> +#include <kurl.h> +#include <ksock.h> +#include <qmap.h> +#include <kapplication.h> +#include <qeventloop.h> +#include <dnssd/domainbrowser.h> +#include <krun.h> + + +#include "dnssd.h" + +static const KCmdLineOptions options[] = +{ + { "+protocol", I18N_NOOP( "Protocol name" ), 0 }, + { "+pool", I18N_NOOP( "Socket name" ), 0 }, + { "+app", I18N_NOOP( "Socket name" ), 0 }, + KCmdLineLastOption +}; + +ZeroConfProtocol::ZeroConfProtocol(const QCString& protocol, const QCString &pool_socket, const QCString &app_socket) + : SlaveBase(protocol, pool_socket, app_socket), browser(0),toResolve(0), + configData(0) +{} + +ZeroConfProtocol::~ZeroConfProtocol() +{ + delete configData; +} + +void ZeroConfProtocol::get(const KURL& url ) +{ + if (!dnssdOK()) return; + UrlType t = checkURL(url); + switch (t) { + case HelperProtocol: + { + resolveAndRedirect(url,true); + mimeType("text/html"); + QString reply= "<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n"; + reply+="</head>\n<body>\n<h2>"+i18n("Requested service has been launched in separate window."); + reply+="</h2>\n</body></html>"; + data(reply.utf8()); + data(QByteArray()); + finished(); + break; + } + case Service: + resolveAndRedirect(url); + break; + default: + error(ERR_MALFORMED_URL,i18n("invalid URL")); + } +} +void ZeroConfProtocol::mimetype(const KURL& url ) +{ + resolveAndRedirect(url); +} + +UrlType ZeroConfProtocol::checkURL(const KURL& url) +{ + if (url.path()=="/") return RootDir; + QString service, type, domain; + dissect(url,service,type,domain); + const QString& proto = type.section('.',1,-1); + if (type[0]!='_' || (proto!="_udp" && proto!="_tcp")) return Invalid; + if (service.isEmpty()) return ServiceDir; + if (!domain.isEmpty()) { + if (!setConfig(type)) return Invalid; + if (!configData->readEntry("Exec").isNull()) return HelperProtocol; + return (KProtocolInfo::isHelperProtocol( configData->readEntry( "Protocol", + type.section(".",0,0).mid(1)))) ? HelperProtocol : Service; + } + return Invalid; +} + +// URL zeroconf://domain/_http._tcp/some%20service +// URL invitation://host:port/_http._tcp/some%20service?u=username&root=directory +void ZeroConfProtocol::dissect(const KURL& url,QString& name,QString& type,QString& domain) +{ + type = url.path().section("/",1,1); + domain = url.host(); + name = url.path().section("/",2,-1); + +} + +bool ZeroConfProtocol::dnssdOK() +{ + switch(ServiceBrowser::isAvailable()) { + case ServiceBrowser::Stopped: + error(KIO::ERR_UNSUPPORTED_ACTION, + i18n("The Zeroconf daemon (mdnsd) is not running.")); + return false; + case ServiceBrowser::Unsupported: + error(KIO::ERR_UNSUPPORTED_ACTION, + i18n("KDE has been built without Zeroconf support.")); + return false; + default: + return true; + } +} + +void ZeroConfProtocol::stat(const KURL& url) +{ + UDSEntry entry; + if (!dnssdOK()) return; + UrlType t = checkURL(url); + switch (t) { + case RootDir: + case ServiceDir: + buildDirEntry(entry,""); + statEntry(entry); + finished(); + break; + case Service: + resolveAndRedirect(url); + break; + case HelperProtocol: + { + QString name,type,domain; + dissect(url,name,type,domain); + buildServiceEntry(entry,name,type,domain); + statEntry(entry); + finished(); + break; + } + default: + error(ERR_MALFORMED_URL,i18n("invalid URL")); + } +} +QString ZeroConfProtocol::getAttribute(const QString& name) +{ + QString entry = configData->readEntry(name); + return (entry.isNull()) ? QString::null : toResolve->textData()[entry]; +} + +void ZeroConfProtocol::resolveAndRedirect(const KURL& url, bool useKRun) +{ + QString name,type,domain; + dissect(url,name,type,domain); + if (url.protocol()=="invitation") { + delete toResolve; + toResolve=0; + toResolve= new RemoteService(url); + if (!toResolve->isResolved()) error(ERR_MALFORMED_URL,i18n("Invalid URL")); + } else { + kdDebug() << "Resolve for " << name << ", " << type << ", " << domain << "\n"; + if (toResolve!=0) + if (toResolve->serviceName()==name && toResolve->type()==type && + toResolve->domain()==domain && toResolve->isResolved()) { + } else { + delete toResolve; + toResolve = 0; + } + if (toResolve==0) { + toResolve = new RemoteService(name,type,domain); + // or maybe HOST_NOT_FOUND? + if (!toResolve->resolve()) error(ERR_SERVICE_NOT_AVAILABLE,i18n("Unable to resolve service")); + } + } + KURL destUrl; + kdDebug() << "Resolved: " << toResolve->hostName() << "\n"; + destUrl.setProtocol(getProtocol(type)); + destUrl.setUser(getAttribute("UserEntry")); + destUrl.setPass(getAttribute("PasswordEntry")); + destUrl.setPath(getAttribute("PathEntry")); + destUrl.setHost(toResolve->hostName()); + destUrl.setPort(toResolve->port()); + // get exec from config or try getting it from helper protocol + if (useKRun) KRun::run(configData->readEntry("Exec",KProtocolInfo::exec(getProtocol(type))),destUrl); + else { + redirection(destUrl); + finished(); + } +} + +bool ZeroConfProtocol::setConfig(const QString& type) +{ + kdDebug() << "Setting config for " << type << endl; + if (configData) + { + if (configData->readEntry("Type")!=type) + { + delete configData; + configData=0L; + } + else + return true; + } + configData = new KConfig("zeroconf/"+type,false,false,"data"); + return (configData->readEntry("Type")==type); +} + +inline void buildAtom(UDSEntry& entry,UDSAtomTypes type, const QString& data) +{ + UDSAtom atom; + atom.m_uds=type; + atom.m_str=data; + entry.append(atom); +} +inline void buildAtom(UDSEntry& entry,UDSAtomTypes type, long data) +{ + UDSAtom atom; + atom.m_uds=type; + atom.m_long=data; + entry.append(atom); +} + + +void ZeroConfProtocol::buildDirEntry(UDSEntry& entry,const QString& name,const QString& type, const QString& host) +{ + entry.clear(); + buildAtom(entry,UDS_NAME,name); + buildAtom(entry,UDS_ACCESS,0555); + buildAtom(entry,UDS_SIZE,0); + buildAtom(entry,UDS_FILE_TYPE,S_IFDIR); + buildAtom(entry,UDS_MIME_TYPE,"inode/directory"); + if (!type.isNull()) buildAtom(entry,UDS_URL,"zeroconf:/"+((!host.isNull()) ? "/"+host+"/" : "" )+type+"/"); +} +QString ZeroConfProtocol::getProtocol(const QString& type) +{ + setConfig(type); + return configData->readEntry("Protocol",type.section(".",0,0).mid(1)); +} + +void ZeroConfProtocol::buildServiceEntry(UDSEntry& entry,const QString& name,const QString& type,const QString& domain) +{ + setConfig(type); + entry.clear(); + buildAtom(entry,UDS_NAME,name); + buildAtom(entry,UDS_ACCESS,0666); + QString icon=configData->readEntry("Icon",KProtocolInfo::icon(getProtocol(type))); + if (!icon.isNull()) buildAtom(entry,UDS_ICON_NAME,icon); + KURL protourl; + protourl.setProtocol(getProtocol(type)); + QString encname = "zeroconf://" + domain +"/" +type+ "/" + name; + if (KProtocolInfo::supportsListing(protourl)) { + buildAtom(entry,UDS_FILE_TYPE,S_IFDIR); + encname+="/"; + } else buildAtom(entry,UDS_FILE_TYPE,S_IFREG); + buildAtom(entry,UDS_URL,encname); +} + +void ZeroConfProtocol::listDir(const KURL& url ) +{ + + if (!dnssdOK()) return; + UrlType t = checkURL(url); + UDSEntry entry; + switch (t) { + case RootDir: + if (allDomains=url.host().isEmpty()) + browser = new ServiceBrowser(ServiceBrowser::AllServices); + else browser = new ServiceBrowser(ServiceBrowser::AllServices,url.host()); + connect(browser,SIGNAL(serviceAdded(DNSSD::RemoteService::Ptr)), + this,SLOT(newType(DNSSD::RemoteService::Ptr))); + break; + case ServiceDir: + if (url.host().isEmpty()) + browser = new ServiceBrowser(url.path(-1).section("/",1,-1)); + else browser = new ServiceBrowser(url.path(-1).section("/",1,-1),url.host()); + connect(browser,SIGNAL(serviceAdded(DNSSD::RemoteService::Ptr)), + this,SLOT(newService(DNSSD::RemoteService::Ptr))); + break; + case Service: + resolveAndRedirect(url); + return; + default: + error(ERR_MALFORMED_URL,i18n("invalid URL")); + return; + } + connect(browser,SIGNAL(finished()),this,SLOT(allReported())); + browser->startBrowse(); + kapp->eventLoop()->enterLoop(); +} +void ZeroConfProtocol::allReported() +{ + UDSEntry entry; + listEntry(entry,true); + finished(); + delete browser; + browser=0; + mergedtypes.clear(); + kapp->eventLoop()->exitLoop(); +} +void ZeroConfProtocol::newType(DNSSD::RemoteService::Ptr srv) +{ + if (mergedtypes.contains(srv->type())>0) return; + mergedtypes << srv->type(); + UDSEntry entry; + kdDebug() << "Got new entry " << srv->type() << endl; + if (!setConfig(srv->type())) return; + QString name = configData->readEntry("Name"); + if (!name.isNull()) { + buildDirEntry(entry,name,srv->type(), (allDomains) ? QString::null : + browser->browsedDomains()->domains()[0]); + listEntry(entry,false); + } +} +void ZeroConfProtocol::newService(DNSSD::RemoteService::Ptr srv) +{ + UDSEntry entry; + buildServiceEntry(entry,srv->serviceName(),srv->type(),srv->domain()); + listEntry(entry,false); +} + + +extern "C" +{ + int KDE_EXPORT kdemain( int argc, char **argv ) + { + // KApplication is necessary to use other ioslaves + putenv(strdup("SESSION_MANAGER=")); + KCmdLineArgs::init(argc, argv, "kio_zeroconf", 0, 0, 0, 0); + KCmdLineArgs::addCmdLineOptions( options ); + KApplication::disableAutoDcopRegistration(); + KApplication app; + KCmdLineArgs *args = KCmdLineArgs::parsedArgs(); + ZeroConfProtocol slave( args->arg(0), args->arg(1), args->arg(2) ); + slave.dispatchLoop(); + return 0; + } +} + + +#include "dnssd.moc" + |