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* Copyright (C) 2005 Justin Karneges
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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QString dataToString(const QByteArray &buf)
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for(int n = 0; n < buf.size(); ++n)
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unsigned char c = (unsigned char)buf[n];
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else if(c >= 0x20 && c < 0x7f)
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out += QString().sprintf("\\x%02x", (unsigned int)c);
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void print_record(const QJDns::Record &r)
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printf(" A: [%s] (ttl=%d)\n", qPrintable(r.address.toString()), r.ttl);
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printf(" AAAA: [%s] (ttl=%d)\n", qPrintable(r.address.toString()), r.ttl);
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printf(" MX: [%s] priority=%d (ttl=%d)\n", r.name.data(), r.priority, r.ttl);
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printf(" SRV: [%s] port=%d priority=%d weight=%d (ttl=%d)\n", r.name.data(), r.port, r.priority, r.weight, r.ttl);
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printf(" CNAME: [%s] (ttl=%d)\n", r.name.data(), r.ttl);
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printf(" PTR: [%s] (ttl=%d)\n", r.name.data(), r.ttl);
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printf(" TXT: count=%d (ttl=%d)\n", r.texts.count(), r.ttl);
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for(int n = 0; n < r.texts.count(); ++n)
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printf(" len=%d [%s]\n", r.texts[n].size(), qPrintable(dataToString(r.texts[n])));
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printf(" HINFO: [%s] [%s] (ttl=%d)\n", r.cpu.data(), r.os.data(), r.ttl);
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printf(" NS: [%s] (ttl=%d)\n", r.name.data(), r.ttl);
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printf(" (Unknown): type=%d, size=%d (ttl=%d)\n", r.type, r.rdata.size(), r.ttl);
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class App : public QObject
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bool opt_debug, opt_ipv6, opt_quit;
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QString mode, type, name, ipaddr;
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QList<QJDns::Record> pubitems;
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connect(&jdns, SIGNAL(resultsReady(int, const QJDns::Response &)), SLOT(jdns_resultsReady(int, const QJDns::Response &)));
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connect(&jdns, SIGNAL(published(int)), SLOT(jdns_published(int)));
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connect(&jdns, SIGNAL(error(int, QJDns::Error)), SLOT(jdns_error(int, QJDns::Error)));
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connect(&jdns, SIGNAL(shutdownFinished()), SLOT(jdns_shutdownFinished()));
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connect(&jdns, SIGNAL(debugLinesReady()), SLOT(jdns_debugLinesReady()));
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if(!jdns.init(QJDns::Unicast, opt_ipv6 ? QHostAddress::AnyIPv6 : QHostAddress::Any))
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jdns_debugLinesReady();
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printf("unable to bind\n");
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QList<QJDns::NameServer> addrs;
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for(int n = 0; n < nslist.count(); ++n)
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QJDns::NameServer host;
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QString str = nslist[n];
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host.address = QHostAddress("FF02::FB");
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host.address = QHostAddress("224.0.0.251");
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int at = str.indexOf(';');
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host.address = QHostAddress(str.mid(0, at));
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host.port = str.mid(at + 1).toInt();
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host.address = QHostAddress(str);
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if(host.address.isNull() || host.port <= 0)
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printf("bad nameserver: [%s]\n", qPrintable(nslist[n]));
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addrs = QJDns::systemInfo().nameServers;
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printf("no nameservers were detected or specified\n");
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jdns.setNameServers(addrs);
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if(!jdns.init(QJDns::Multicast, opt_ipv6 ? QHostAddress::AnyIPv6 : QHostAddress::Any))
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jdns_debugLinesReady();
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printf("unable to bind\n");
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if(mode == "uni" || mode == "mul")
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else if(type == "srv")
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else if(type == "aaaa")
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else if(type == "mx")
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else if(type == "txt")
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else if(type == "hinfo")
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else if(type == "cname")
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else if(type == "any")
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int y = type.toInt(&ok);
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req_id = jdns.queryStart(name.toLatin1(), x);
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printf("[%d] Querying for [%s] type=%d ...\n", req_id, qPrintable(name), x);
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for(int n = 0; n < pubitems.count(); ++n)
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const QJDns::Record &rr = pubitems[n];
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QJDns::PublishMode m = QJDns::Unique;
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if(rr.type == QJDns::Ptr)
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int id = jdns.publishStart(m, rr);
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printf("[%d] Publishing [%s] type=%d ...\n", id, rr.owner.data(), rr.type);
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QTimer::singleShot(quit_time * 1000, this, SLOT(doShutdown()));
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void jdns_resultsReady(int id, const QJDns::Response &results)
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printf("[%d] Results\n", id);
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for(int n = 0; n < results.answerRecords.count(); ++n)
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print_record(results.answerRecords[n]);
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void jdns_published(int id)
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printf("[%d] Published\n", id);
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void jdns_error(int id, QJDns::Error e)
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if(e == QJDns::ErrorGeneric)
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else if(e == QJDns::ErrorNXDomain)
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else if(e == QJDns::ErrorTimeout)
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else if(e == QJDns::ErrorConflict)
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printf("[%d] Error: %s\n", id, qPrintable(str));
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void jdns_shutdownFinished()
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void jdns_debugLinesReady()
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QStringList lines = jdns.debugLines();
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for(int n = 0; n < lines.count(); ++n)
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printf("jdns: %s\n", qPrintable(lines[n]));
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printf("usage: jdns (options) uni [type] [name] (nameserver(;port)|mul ...)\n");
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printf(" jdns (options) mul [type] [name]\n");
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printf(" jdns (options) pub [items ...]\n");
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printf(" jdns sys\n");
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printf("options:\n");
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printf(" -d show debug output\n");
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printf(" -6 use ipv6\n");
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printf(" -q x quit x seconds after starting\n");
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printf("uni/mul types: a aaaa ptr srv mx txt hinfo cname any\n");
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printf("pub items: ptr:name,answer srv:name,answer,port a:name,ipaddr\n");
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printf(" txt:name,str0,...,strn aaaa:name,ipaddr\n");
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printf("examples:\n");
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printf(" jdns uni a jabber.org 192.168.0.1\n");
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printf(" jdns uni srv _xmpp-client._tcp.jabber.org 192.168.0.1;53\n");
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printf(" jdns uni 10 user@host._presence._tcp.local mul\n");
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printf(" jdns mul a foobar.local\n");
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printf(" jdns mul ptr _services._dns-sd._udp.local\n");
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printf(" jdns pub a:mybox.local.,192.168.0.55\n");
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int main(int argc, char **argv)
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QCoreApplication app(argc, argv);
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for(int n = 1; n < argc; ++n)
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args += QString(argv[n]);
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bool opt_debug = false;
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bool opt_ipv6 = false;
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bool opt_quit = false;
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QString mode, type, name, ipaddr;
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QList<QJDns::Record> pubitems;
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for(int n = 0; n < args.count(); ++n)
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if(args[n].left(1) == "-")
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else if(args[n] == "-6")
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else if(args[n] == "-q")
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if(n + 1 >= args.count())
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printf("need to specify number of seconds\n");
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int x = args[n + 1].toInt();
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args.removeAt(n + 1);
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printf("bad option\n");
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--n; // adjust position
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if(mode == "uni" || mode == "mul")
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printf("not enough args\n");
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for(int n = 3; n < args.count(); ++n)
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nslist += QString(args[n]);
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else if(mode == "pub")
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printf("not enough args\n");
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for(int n = 1; n < args.count(); ++n)
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QString arg = args[n];
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int at = arg.indexOf(':');
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printf("missing colon\n");
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QString type = arg.mid(0, at).toLower();
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QString val = arg.mid(at + 1);
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QStringList list = val.split(',');
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if(list.count() != 2)
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printf("bad format for A type\n");
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QHostAddress host(list[1]);
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if(host.isNull() || host.protocol() != QAbstractSocket::IPv4Protocol)
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printf("bad format for A type IP address\n");
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rec.owner = list[0].toLatin1();
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rec.haveKnown = true;
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else if(type == "aaaa")
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QStringList list = val.split(',');
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if(list.count() != 2)
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printf("bad format for AAAA type\n");
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QHostAddress host(list[1]);
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if(host.isNull() || host.protocol() != QAbstractSocket::IPv6Protocol)
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printf("bad format for AAAA type IP address\n");
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rec.owner = list[0].toLatin1();
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rec.type = QJDns::Aaaa;
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rec.haveKnown = true;
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else if(type == "srv")
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QStringList list = val.split(',');
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if(list.count() != 3)
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printf("bad format for SRV type\n");
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rec.owner = list[0].toLatin1();
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rec.type = QJDns::Srv;
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rec.haveKnown = true;
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rec.name = list[1].toLatin1();
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rec.port = list[2].toInt();
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else if(type == "ptr")
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QStringList list = val.split(',');
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if(list.count() != 2)
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printf("bad format for PTR type\n");
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rec.owner = list[0].toLatin1();
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rec.type = QJDns::Ptr;
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rec.haveKnown = true;
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rec.name = list[1].toLatin1();
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else if(type == "txt")
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QStringList list = val.split(',');
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QList<QByteArray> texts;
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for(int n = 1; n < list.count(); ++n)
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texts += list[n].toLatin1();
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rec.owner = list[0].toLatin1();
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rec.type = QJDns::Txt;
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rec.haveKnown = true;
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printf("bad record type [%s]\n", qPrintable(type));
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else if(mode == "sys")
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QJDns::SystemInfo info = QJDns::systemInfo();
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printf("DNS System Information\n");
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printf(" Name Servers:\n");
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if(!info.nameServers.isEmpty())
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for(int n = 0; n < info.nameServers.count(); ++n)
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printf(" %s\n", qPrintable(info.nameServers[n].address.toString()));
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printf(" Domains:\n");
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if(!info.domains.isEmpty())
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for(int n = 0; n < info.domains.count(); ++n)
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printf(" [%s]\n", info.domains[n].data());
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if(!info.hosts.isEmpty())
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for(int n = 0; n < info.hosts.count(); ++n)
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const QJDns::DnsHost &h = info.hosts[n];
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printf(" [%s] -> %s\n", h.name.data(), qPrintable(h.address.toString()));
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printf("Primary IPv4 Multicast Address: ");
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addr = QJDns::detectPrimaryMulticast(QHostAddress::Any);
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printf("%s\n", qPrintable(addr.toString()));
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printf("Primary IPv6 Multicast Address: ");
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addr = QJDns::detectPrimaryMulticast(QHostAddress::AnyIPv6);
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printf("%s\n", qPrintable(addr.toString()));
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a.opt_debug = opt_debug;
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a.opt_ipv6 = opt_ipv6;
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a.opt_quit = opt_quit;
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a.quit_time = quit_time;
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a.type = type.toLower();
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a.pubitems = pubitems;
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QObject::connect(&a, SIGNAL(quit()), &app, SLOT(quit()));
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QTimer::singleShot(0, &a, SLOT(start()));
added
removed
iris/irisnet/jdns/main.cpp
