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/***************************************************************************
* Copyright (C) 2004, 2005 by Jakub Stachowski *
* qbast@go2.pl *
* *
* 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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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"
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