/***************************************************************************
 *   Copyright (C) 2012 by Timothy Pearson                                 *
 *   kb9vqf@pearsoncomputing.net                                           *
 *                                                                         *
 *   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 <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>

#include <tqlayout.h>

#include <klocale.h>
#include <kglobal.h>
#include <kcombobox.h>
#include <kparts/genericfactory.h>
#include <ksimpleconfig.h>
#include <kglobalsettings.h>
#include <kstandarddirs.h>
#include <kurlrequester.h>
#include <klistview.h>
#include <kopenwith.h>
#include <kpropertiesdialog.h>
#include <kio/job.h>
#include <tqdir.h>
#include <tqheader.h>
#include <knuminput.h>
#include <kpassdlg.h>
#include <klineedit.h>
#include <kmessagebox.h>

#include <tdesu/process.h>

#include "ldap.h"
#include "bondwizard.h"
#include "ldappasswddlg.h"
#include "realmpropertiesdialog.h"

// FIXME
// Connect this to CMake/Automake
#define KDE_CONFDIR "/etc/trinity"
#define KRB5_FILE "/etc/krb5.conf"
#define LDAP_FILE "/etc/ldap.conf"
#define NSSWITCH_FILE "/etc/nsswitch.conf"
#define PAMD_DIRECTORY "/etc/pam.d/"
#define PAMD_COMMON_ACCOUNT "common-account"
#define PAMD_COMMON_AUTH "common-auth"
#define CRON_UPDATE_NSS_FILE "/etc/cron.daily/upd-local-nss-db"
#define DEFAULT_IGNORED_USERS_LIST "avahi,avahi-autoipd,backup,bin,colord,daemon,games,gnats,haldaemon,hplip,irc,klog,landscape,libuuid,list,lp,mail,man,messagebus,news,ntp,polkituser,postfix,proxy,pulse,root,rtkit,saned,sshd,statd,sync,sys,syslog,timidity,usbmux,uucp,www-data"

typedef KGenericFactory<LDAPConfig, TQWidget> ldapFactory;

K_EXPORT_COMPONENT_FACTORY( kcm_ldap, ldapFactory("kcmldap"))

KSimpleConfig *systemconfig = 0;

LDAPConfig::LDAPConfig(TQWidget *parent, const char *name, const TQStringList&)
    : KCModule(parent, name), myAboutData(0)
{
	TQVBoxLayout *layout = new TQVBoxLayout(this, KDialog::marginHint(), KDialog::spacingHint());
	systemconfig = new KSimpleConfig( TQString::fromLatin1( KDE_CONFDIR "/ldap/ldapconfigrc" ));
	systemconfig->setFileWriteMode(S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);

	KAboutData* about = new KAboutData("ldap", I18N_NOOP("TDE LDAP Manager"), "0.1",
		I18N_NOOP("TDE LDAP Manager Control Panel Module"),
		KAboutData::License_GPL,
		I18N_NOOP("(c) 2012 Timothy Pearson"), 0, 0);
	
	about->addAuthor("Timothy Pearson", 0, "kb9vqf@pearsoncomputing.net");
	setAboutData( about );

	base = new LDAPConfigBase(this);
	layout->add(base);
	base->ldapRealmList->setAllColumnsShowFocus(true);
	base->ldapRealmList->setFullWidth(true);
	
	setRootOnlyMsg(i18n("<b>Bonded LDAP realms take effect system wide, and require administrator access to modify</b><br>To alter the system's bonded LDAP realms, click on the \"Administrator Mode\" button below."));
	setUseRootOnlyMsg(true);

	connect(base->systemEnableSupport, TQT_SIGNAL(clicked()), this, TQT_SLOT(changed()));
	connect(base->defaultRealm, TQT_SIGNAL(activated(int)), this, TQT_SLOT(changed()));
	connect(base->ticketLifetime, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(changed()));
	connect(base->systemEnableSupport, TQT_SIGNAL(clicked()), this, TQT_SLOT(processLockouts()));
	connect(base->ldapRealmList, TQT_SIGNAL(selectionChanged()), this, TQT_SLOT(processLockouts()));

	connect(base->btnBondRealm, TQT_SIGNAL(clicked()), this, TQT_SLOT(bondToNewRealm()));
	connect(base->btnReBondRealm, TQT_SIGNAL(clicked()), this, TQT_SLOT(reBondToRealm()));
	connect(base->btnRemoveRealm, TQT_SIGNAL(clicked()), this, TQT_SLOT(removeRealm()));
	connect(base->btnDeactivateRealm, TQT_SIGNAL(clicked()), this, TQT_SLOT(deactivateRealm()));
	connect(base->btnRealmProperties, TQT_SIGNAL(clicked()), this, TQT_SLOT(realmProperties()));

	connect(base->ldapVersion, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(changed()));
	connect(base->ldapTimeout, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(changed()));
	connect(base->bindPolicy, TQT_SIGNAL(activated(int)), this, TQT_SLOT(changed()));
	connect(base->ldapBindTimeout, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(changed()));
	connect(base->passwordHash, TQT_SIGNAL(activated(int)), this, TQT_SLOT(changed()));
	connect(base->ignoredUsers, TQT_SIGNAL(textChanged(const TQString&)), this, TQT_SLOT(changed()));

	m_fqdn = getMachineFQDN();
	base->hostFQDN->setEnabled(false);
	base->hostFQDN->clear();
	base->hostFQDN->insertItem(m_fqdn);

	load();

	if (getuid() != 0 || !systemconfig->checkConfigFilesWritable( true )) {
		base->systemEnableSupport->setEnabled(false);
	}

	processLockouts();
};

LDAPConfig::~LDAPConfig() {
	delete systemconfig;
}

// FIXME
// This should be moved to a TDE core library
TQString LDAPConfig::getMachineFQDN() {
	struct addrinfo hints, *info, *p;
	int gai_result;
	
	char hostname[1024];
	hostname[1023] = '\0';
	gethostname(hostname, 1023);
	
	memset(&hints, 0, sizeof hints);
	hints.ai_family = AF_UNSPEC; // IPV4 or IPV6
	hints.ai_socktype = SOCK_STREAM;
	hints.ai_flags = AI_CANONNAME;
	
	if ((gai_result = getaddrinfo(hostname, NULL, &hints, &info)) != 0) {
		return TQString(hostname);
	}
	TQString fqdn = TQString(hostname);
	for (p=info; p!=NULL; p=p->ai_next) {
		fqdn = TQString(p->ai_canonname);
	}
	freeaddrinfo(info);

	return fqdn;
}

void LDAPConfig::load() {
	kgs = new KGlobalSettings();

	load(false);
}

void LDAPConfig::load(bool useDefaults )
{
	int i;
	bool thisIsMyMachine;

	//Update the toggle buttons with the current configuration
	systemconfig->setReadDefaults( useDefaults );
	
	systemconfig->setGroup(NULL);
	base->systemEnableSupport->setChecked(systemconfig->readBoolEntry("EnableLDAP", false));
	m_defaultRealm = systemconfig->readEntry("DefaultRealm", TQString::null);
	m_ticketLifetime = systemconfig->readNumEntry("TicketLifetime", 86400);
	if (m_fqdn == systemconfig->readEntry("HostFQDN", "")) {
		thisIsMyMachine = true;
	}
	else {
		thisIsMyMachine = false;
	}

	m_ldapVersion = systemconfig->readNumEntry("ConnectionLDAPVersion", 3);
	m_ldapTimeout = systemconfig->readNumEntry("ConnectionLDAPTimeout", 2);
	m_bindPolicy = systemconfig->readEntry("ConnectionBindPolicy", "soft");
	m_ldapBindTimeout = systemconfig->readNumEntry("ConnectionBindTimeout", 2);
	m_passwordHash = systemconfig->readEntry("ConnectionPasswordHash", "exop");
	m_ignoredUsers = systemconfig->readEntry("ConnectionIgnoredUsers", DEFAULT_IGNORED_USERS_LIST);
	
	// Load realms
	m_realms.clear();
	TQStringList cfgRealms = systemconfig->groupList();
	for (TQStringList::Iterator it(cfgRealms.begin()); it != cfgRealms.end(); ++it) {
		if ((*it).startsWith("LDAPRealm-")) {
			systemconfig->setGroup(*it);
			TQString realmName=*it;
			realmName.remove(0,strlen("LDAPRealm-"));
			if (!m_realms.contains(realmName)) {
				// Read in realm data
				LDAPRealmConfig realmcfg;
				realmcfg.name = realmName;
				if (thisIsMyMachine) {
					realmcfg.bonded = systemconfig->readBoolEntry("bonded");
				}
				else {
					realmcfg.bonded = false;
				}
				realmcfg.uid_offset = systemconfig->readNumEntry("uid_offset");
				realmcfg.gid_offset = systemconfig->readNumEntry("gid_offset");
				realmcfg.domain_mappings = systemconfig->readListEntry("domain_mappings");
				realmcfg.kdc = systemconfig->readEntry("kdc");
				realmcfg.kdc_port = systemconfig->readNumEntry("kdc_port");
				realmcfg.admin_server = systemconfig->readEntry("admin_server");
				realmcfg.admin_server_port = systemconfig->readNumEntry("admin_server_port");
				realmcfg.pkinit_require_eku = systemconfig->readBoolEntry("pkinit_require_eku");
				realmcfg.pkinit_require_krbtgt_otherName = systemconfig->readBoolEntry("pkinit_require_krbtgt_otherName");
				realmcfg.win2k_pkinit = systemconfig->readBoolEntry("win2k_pkinit");
				realmcfg.win2k_pkinit_require_binding = systemconfig->readBoolEntry("win2k_pkinit_require_binding");
				// Add realm to list
				m_realms.insert(realmName, realmcfg);
			}
		}
	}

	base->ticketLifetime->setValue(m_ticketLifetime);

	base->ldapVersion->setValue(m_ldapVersion);
	base->ldapTimeout->setValue(m_ldapTimeout);
	for (i=0; i<base->bindPolicy->count(); i++) {
		if (base->bindPolicy->text(i).lower() == m_defaultRealm.lower()) {
			base->bindPolicy->setCurrentItem(i);
			break;
		}
	}
	base->ldapBindTimeout->setValue(m_ldapBindTimeout);
	for (i=0; i<base->passwordHash->count(); i++) {
		if (base->passwordHash->text(i).lower() == m_passwordHash.lower()) {
			base->passwordHash->setCurrentItem(i);
			break;
		}
	}
	base->ignoredUsers->setText(m_ignoredUsers);

	updateRealmList();

	processLockouts();
	
	emit changed(useDefaults);
}

void LDAPConfig::updateRealmList() {
	base->ldapRealmList->clear();
	base->defaultRealm->clear();
	LDAPRealmConfigList::Iterator it;
	for (it = m_realms.begin(); it != m_realms.end(); ++it) {
		LDAPRealmConfig realmcfg = it.data();
		(void)new TQListViewItem(base->ldapRealmList, ((realmcfg.bonded)?i18n("Bonded"):i18n("Deactivated")), realmcfg.name);
		base->defaultRealm->insertItem(realmcfg.name);
	}
	if (m_defaultRealm != "") {
		for (int i=0; i<base->defaultRealm->count(); i++) {
			if (base->defaultRealm->text(i) == m_defaultRealm) {
				base->defaultRealm->setCurrentItem(i);
				break;
			}
		}
	}
	processLockouts();
}

void LDAPConfig::defaults() {
	
}

void LDAPConfig::save() {
	// Write system configuration
	systemconfig->setGroup(NULL);
	systemconfig->writeEntry("EnableLDAP", base->systemEnableSupport->isChecked());
	systemconfig->writeEntry("HostFQDN", m_fqdn);
	m_defaultRealm = base->defaultRealm->currentText();
	m_ticketLifetime = base->ticketLifetime->value();

	m_ldapVersion = base->ldapVersion->value();
	m_ldapTimeout = base->ldapTimeout->value();
	m_bindPolicy = base->bindPolicy->currentText();
	m_ldapBindTimeout = base->ldapBindTimeout->value();
	m_passwordHash = base->passwordHash->currentText();
	m_ignoredUsers = base->ignoredUsers->text();

	if (m_defaultRealm != "") {
		systemconfig->writeEntry("DefaultRealm", m_defaultRealm);
	}
	else {
		systemconfig->deleteEntry("DefaultRealm");
	}
	systemconfig->writeEntry("TicketLifetime", m_ticketLifetime);

	systemconfig->writeEntry("ConnectionLDAPVersion", m_ldapVersion);
	systemconfig->writeEntry("ConnectionLDAPTimeout", m_ldapTimeout);
	systemconfig->writeEntry("ConnectionBindPolicy", m_bindPolicy);
	systemconfig->writeEntry("ConnectionBindTimeout", m_ldapBindTimeout);
	systemconfig->writeEntry("ConnectionPasswordHash", m_passwordHash);
	systemconfig->writeEntry("ConnectionIgnoredUsers", m_ignoredUsers);

	LDAPRealmConfigList::Iterator it;
	for (it = m_realms.begin(); it != m_realms.end(); ++it) {
		LDAPRealmConfig realmcfg = it.data();
		TQString configRealmName = realmcfg.name;
		configRealmName.prepend("LDAPRealm-");
		systemconfig->setGroup(configRealmName);
		// Save realm settings
		systemconfig->writeEntry("bonded", realmcfg.bonded);
		systemconfig->writeEntry("uid_offset", realmcfg.uid_offset);
		systemconfig->writeEntry("gid_offset", realmcfg.gid_offset);
		systemconfig->writeEntry("domain_mappings", realmcfg.domain_mappings);
		systemconfig->writeEntry("kdc", realmcfg.kdc);
		systemconfig->writeEntry("kdc_port", realmcfg.kdc_port);
		systemconfig->writeEntry("admin_server", realmcfg.admin_server);
		systemconfig->writeEntry("admin_server_port", realmcfg.admin_server_port);
		systemconfig->writeEntry("pkinit_require_eku", realmcfg.pkinit_require_eku);
		systemconfig->writeEntry("pkinit_require_krbtgt_otherName", realmcfg.pkinit_require_krbtgt_otherName);
		systemconfig->writeEntry("win2k_pkinit", realmcfg.win2k_pkinit);
		systemconfig->writeEntry("win2k_pkinit_require_binding", realmcfg.win2k_pkinit_require_binding);
	}

	// Delete any realms that do not exist in the m_realms database
	TQStringList cfgRealms = systemconfig->groupList();
	for (TQStringList::Iterator it(cfgRealms.begin()); it != cfgRealms.end(); ++it) {
		if ((*it).startsWith("LDAPRealm-")) {
			systemconfig->setGroup(*it);
			TQString realmName=*it;
			realmName.remove(0,strlen("LDAPRealm-"));
			if (!m_realms.contains(realmName)) {
				systemconfig->deleteGroup(*it);
			}
		}
	}

	systemconfig->sync();

	if (base->systemEnableSupport->isChecked()) {
		// Write the Kerberos5 configuration file
		writeKrb5ConfFile();
		// Write the LDAP configuration file
		writeLDAPConfFile();
		// Write the NSSwitch configuration file
		writeNSSwitchFile();
		// Write the PAM configuration files
		writePAMFiles();
		// Write the cron files
		writeCronFiles();
	}

	load();
}

void LDAPConfig::processLockouts() {
	bool panelIsEnabled = base->systemEnableSupport->isChecked();

	base->groupRealms->setEnabled(panelIsEnabled);
	base->groupKrbDefaults->setEnabled(panelIsEnabled);
	base->groupConnectionParameters->setEnabled(panelIsEnabled);

	TQListViewItem *selrealm = base->ldapRealmList->selectedItem();
	if (selrealm) {
		LDAPRealmConfig realmcfg = m_realms[selrealm->text(1)];
		base->btnBondRealm->setEnabled(true);
		base->btnReBondRealm->setEnabled(true);
		if (realmcfg.bonded) {
			base->btnDeactivateRealm->setEnabled(true);
			base->btnRemoveRealm->setEnabled(false);
			base->btnRealmProperties->setEnabled(false);
		}
		else {
			base->btnDeactivateRealm->setEnabled(false);
			base->btnRemoveRealm->setEnabled(true);
			base->btnRealmProperties->setEnabled(true);
		}
	}
	else {
		base->btnBondRealm->setEnabled(true);
		base->btnReBondRealm->setEnabled(false);
		base->btnDeactivateRealm->setEnabled(false);
		base->btnRemoveRealm->setEnabled(false);
		base->btnRealmProperties->setEnabled(false);
	}
}

void LDAPConfig::bondToNewRealm() {
	// Something will probably change
	save();

	BondWizard bondwizard(&m_realms, this, this);
	bondwizard.exec();

	// Something probably changed
	load();
}

void LDAPConfig::reBondToRealm() {
	TQListViewItem *selrealm = base->ldapRealmList->selectedItem();
	if (selrealm) {
		TQString realmName = selrealm->text(1);
		LDAPRealmConfig realmcfg = m_realms[realmName];

		// Password prompt...
		TQString errorString;
		LDAPPasswordDialog passdlg(this);
		passdlg.m_base->ldapAdminRealm->setEnabled(false);
		passdlg.m_base->ldapAdminRealm->setText(realmName);
		if (passdlg.exec() == TQDialog::Accepted) {
			setEnabled(false);
			if (bondRealm(m_realms[realmName], passdlg.m_base->ldapAdminUsername->text(), passdlg.m_base->ldapAdminPassword->password(), passdlg.m_base->ldapAdminRealm->text(), &errorString) == 0) {
				// Success!
				realmcfg.bonded = true;
				m_realms.remove(realmName);
				m_realms.insert(realmName, realmcfg);
				save();
			}
			else {
				KMessageBox::error(this, i18n("<qt><b>Unable to bond to realm!</b><p>Details: %1</qt>").arg(errorString), i18n("Unable to Bond to Realm"));
			}
			setEnabled(true);
		}
	}
	updateRealmList();
}

void LDAPConfig::removeRealm() {
	TQListViewItem *selrealm = base->ldapRealmList->selectedItem();
	if (selrealm) {
		m_realms.remove(selrealm->text(1));
		updateRealmList();
		changed();
	}
}

void LDAPConfig::deactivateRealm() {
	TQListViewItem *selrealm = base->ldapRealmList->selectedItem();
	if (selrealm) {
		TQString realmName = selrealm->text(1);
		LDAPRealmConfig realmcfg = m_realms[realmName];
		if (realmcfg.bonded == true) {
			// Password prompt...
			TQString errorString;
			LDAPPasswordDialog passdlg(this);
			passdlg.m_base->ldapAdminRealm->setEnabled(false);
			passdlg.m_base->ldapAdminRealm->setText(realmName);
			passdlg.m_base->passprompt->setText(i18n("Please provide LDAP realm administrator credentials below to complete the unbonding process"));
			if (passdlg.exec() == TQDialog::Accepted) {
				setEnabled(false);
				if (unbondRealm(m_realms[realmName], passdlg.m_base->ldapAdminUsername->text(), passdlg.m_base->ldapAdminPassword->password(), passdlg.m_base->ldapAdminRealm->text(), &errorString) == 0) {
					// Success!
					realmcfg.bonded = false;
					m_realms.remove(realmName);
					m_realms.insert(realmName, realmcfg);
					save();
				}
				else {
					KMessageBox::error(this, i18n("<qt><b>Unable to unbond from realm!</b><p>%1</qt>").arg(errorString), i18n("Unable to Unbond from Realm"));
				}
				setEnabled(true);
			}
		}
	}
	updateRealmList();
}

TQString readFullLineFromPtyProcess(PtyProcess* proc) {
	TQString result = "";
	while ((!result.contains("\n")) && (!result.contains(":")) && (!result.contains(">"))) {
		result = result + TQString(proc->readLine(false));
		tqApp->processEvents();
	}
	return result;
}

int LDAPConfig::bondRealm(LDAPRealmConfig realmcfg, TQString adminUserName, const char * adminPassword, TQString adminRealm, TQString *errstr) {
	TQCString command = "kadmin";
	QCStringList args;
	args << TQCString("-p") << TQCString(adminUserName+"@"+(adminRealm.upper())) << TQCString("-r") << TQCString(adminRealm.upper());

	TQString hoststring = "host/"+m_fqdn;

	TQString prompt;
	PtyProcess kadminProc;
	kadminProc.exec(command, args);
	prompt = kadminProc.readLine(true);
	prompt = prompt.stripWhiteSpace();
	if (prompt == "kadmin>") {
		kadminProc.writeLine(TQCString("ext "+hoststring), true);
		prompt = kadminProc.readLine(true);	// Discard our own input
		prompt = readFullLineFromPtyProcess(&kadminProc);
		prompt = prompt.stripWhiteSpace();
		if (prompt.endsWith(" Password:")) {
			kadminProc.writeLine(adminPassword, true);
			prompt = kadminProc.readLine(true);	// Discard our own input
			prompt = kadminProc.readLine(true);
			prompt = prompt.stripWhiteSpace();
		}
		if (prompt.contains("authentication failed")) {
			if (errstr) *errstr = prompt;
			kadminProc.writeLine("quit", true);
			return 1;
		}
		else if (prompt.endsWith("Principal does not exist")) {
			kadminProc.writeLine(TQCString("ank --random-key "+hoststring), true);
			prompt = kadminProc.readLine(true);	// Discard our own input
			prompt = readFullLineFromPtyProcess(&kadminProc);
			prompt = prompt.stripWhiteSpace();
			// Use all defaults
			while (prompt != "kadmin>") {
				if (prompt.endsWith(" Password:")) {
					kadminProc.writeLine(adminPassword, true);
					prompt = kadminProc.readLine(true);	// Discard our own input
					prompt = kadminProc.readLine(true);
					prompt = prompt.stripWhiteSpace();
				}
				if (prompt.contains("authentication failed")) {
					if (errstr) *errstr = prompt;
					kadminProc.writeLine("quit", true);
					return 1;
				}
				else {
					// Extract whatever default is in the [brackets] and feed it back to kadmin
					TQString defaultParam;
					int leftbracket = prompt.find("[");
					int rightbracket = prompt.find("]");
					if ((leftbracket >= 0) && (rightbracket >= 0)) {
						leftbracket++;
						defaultParam = prompt.mid(leftbracket, rightbracket-leftbracket);
					}
					kadminProc.writeLine(TQCString(defaultParam), true);
					prompt = kadminProc.readLine(true);	// Discard our own input
					prompt = kadminProc.readLine(true);
					prompt = prompt.stripWhiteSpace();
				}
			}
			kadminProc.writeLine(TQCString("ext "+hoststring), true);
			prompt = kadminProc.readLine(true);	// Discard our own input
			prompt = readFullLineFromPtyProcess(&kadminProc);
			prompt = prompt.stripWhiteSpace();
			if (prompt != "kadmin>") {
				if (errstr) *errstr = prompt;
				kadminProc.writeLine("quit", true);
				return 1;
			}

			// Success!
			kadminProc.writeLine("quit", true);
			return 0;
		}
		else if (prompt == "kadmin>") {
			// Success!
			kadminProc.writeLine("quit", true);
			return 0;
		}

		// Failure
		if (errstr) *errstr = prompt;
		kadminProc.writeLine("quit", true);
		return 1;
	}

	if (errstr) *errstr = "Internal error.  Verify that kadmin exists and can be executed.";
	return 1;	// Failure
}

int LDAPConfig::unbondRealm(LDAPRealmConfig realmcfg, TQString adminUserName, const char * adminPassword, TQString adminRealm, TQString *errstr) {
	TQCString command = "kadmin";
	QCStringList args;
	args << TQCString("-p") << TQCString(adminUserName+"@"+(adminRealm.upper()));

	TQString hoststring = "host/"+m_fqdn;

	TQString prompt;
	PtyProcess kadminProc;
	kadminProc.exec(command, args);
	prompt = kadminProc.readLine(true);
	prompt = prompt.stripWhiteSpace();
	if (prompt == "kadmin>") {
		kadminProc.writeLine(TQCString("delete "+hoststring), true);
		prompt = kadminProc.readLine(true);	// Discard our own input
		prompt = readFullLineFromPtyProcess(&kadminProc);
		prompt = prompt.stripWhiteSpace();
		if (prompt.endsWith(" Password:")) {
			kadminProc.writeLine(adminPassword, true);
			prompt = kadminProc.readLine(true);	// Discard our own input
			prompt = kadminProc.readLine(true);
			prompt = prompt.stripWhiteSpace();
		}
		if (prompt != "kadmin>") {
			if (errstr) *errstr = prompt;
			kadminProc.writeLine("quit", true);
			return 1;
		}

		// Success!
		kadminProc.writeLine("quit", true);
		return 0;
	}

	return 1;	// Failure
}

void LDAPConfig::realmProperties() {
	TQListViewItem *selrealm = base->ldapRealmList->selectedItem();
	if (selrealm) {
		RealmPropertiesDialog rpdialog(&m_realms, selrealm->text(1), this);
		if (rpdialog.exec() == TQDialog::Accepted) {
			updateRealmList();
			changed();
		}
	}
}

void LDAPConfig::writeKrb5ConfFile() {
	TQFile file(KRB5_FILE);
	if (file.open(IO_WriteOnly)) {
		TQTextStream stream( &file );

		stream << "# This file was automatically generated by TDE\n";
		stream << "# All changes will be lost!\n";
		stream << "\n";

		// Defaults
		stream << "[libdefaults]\n";
		stream << "    ticket_lifetime = " << m_ticketLifetime << "\n";
		if (m_defaultRealm != "") {
			stream << "    default_realm = " << m_defaultRealm << "\n";
		}
		stream << "\n";

		// Realms
		stream << "[realms]\n";
		LDAPRealmConfigList::Iterator it;
		for (it = m_realms.begin(); it != m_realms.end(); ++it) {
			LDAPRealmConfig realmcfg = it.data();
			stream << "   " << realmcfg.name << " = {\n";
			stream << "        kdc = " << realmcfg.kdc << ":" << realmcfg.kdc_port << "\n";
			stream << "        admin_server = " << realmcfg.admin_server << ":" << realmcfg.admin_server_port << "\n";
			stream << "        pkinit_require_eku = " << (realmcfg.pkinit_require_eku?"true":"false") << "\n";
			stream << "        pkinit_require_krbtgt_otherName = " << (realmcfg.pkinit_require_krbtgt_otherName?"true":"false") << "\n";
			stream << "        win2k_pkinit = " << (realmcfg.win2k_pkinit?"yes":"no") << "\n";
			stream << "        win2k_pkinit_require_binding = " << (realmcfg.win2k_pkinit_require_binding?"yes":"no") << "\n";
			stream << "   }\n";
		}
		stream << "\n";

		// Domain aliases
		stream << "[domain_realm]\n";
		LDAPRealmConfigList::Iterator it2;
		for (it2 = m_realms.begin(); it2 != m_realms.end(); ++it2) {
			LDAPRealmConfig realmcfg = it2.data();
			TQStringList domains = realmcfg.domain_mappings;
			for (TQStringList::Iterator it3 = domains.begin(); it3 != domains.end(); ++it3 ) {
				stream << "    " << *it3 << " = " << realmcfg.name << "\n";
			}
		}

		file.close();
	}
}

void LDAPConfig::writeLDAPConfFile() {
	TQFile file(LDAP_FILE);
	if (file.open(IO_WriteOnly)) {
		TQTextStream stream( &file );

		LDAPRealmConfig realmcfg = m_realms[m_defaultRealm];

		stream << "# This file was automatically generated by TDE\n";
		stream << "# All changes will be lost!\n";
		stream << "\n";

		stream << "host " << realmcfg.admin_server << "\n";
		TQStringList domainChunks = TQStringList::split(".", realmcfg.name.lower());
		stream << "base dc=" << domainChunks.join(",dc=") << "\n";
		stream << "ldap_version " << m_ldapVersion << "\n";
		stream << "timelimit " << m_ldapTimeout << "\n";
		stream << "bind_timelimit " << m_ldapBindTimeout << "\n";
		stream << "bind_policy " << m_bindPolicy.lower() << "\n";
		stream << "pam_password " << m_passwordHash.lower() << "\n";
		stream << "nss_initgroups_ignoreusers " << m_ignoredUsers << "\n";

		file.close();
	}
}

void LDAPConfig::writeNSSwitchFile() {
	TQFile file(NSSWITCH_FILE);
	if (file.open(IO_WriteOnly)) {
		TQTextStream stream( &file );

		stream << "# This file was automatically generated by TDE\n";
		stream << "# All changes will be lost!\n";
		stream << "\n";
		stream << "passwd:         files ldap [NOTFOUND=return] db" << "\n";
		stream << "group:          files ldap [NOTFOUND=return] db" << "\n";
		stream << "shadow:         files ldap [NOTFOUND=return] db" << "\n";
		stream << "\n";
		stream << "hosts:          files mdns4_minimal [NOTFOUND=return] dns mdns4" << "\n";
		stream << "networks:       files" << "\n";
		stream << "\n";
		stream << "protocols:      db files" << "\n";
		stream << "services:       db files" << "\n";
		stream << "ethers:         db files" << "\n";
		stream << "rpc:            db files" << "\n";
		stream << "\n";
		stream << "netgroup:       nis" << "\n";

		file.close();
	}
}

void LDAPConfig::writePAMFiles() {
	TQFile file(PAMD_DIRECTORY PAMD_COMMON_ACCOUNT);
	if (file.open(IO_WriteOnly)) {
		TQTextStream stream( &file );

		stream << "# This file was automatically generated by TDE\n";
		stream << "# All changes will be lost!\n";
		stream << "\n";
		stream << "account sufficient pam_unix.so nullok_secure" << "\n";
		stream << "account sufficient pam_ldap.so" << "\n";
		stream << "account required pam_permit.so" << "\n";

		file.close();
	}

	TQFile file2(PAMD_DIRECTORY PAMD_COMMON_AUTH);
	if (file2.open(IO_WriteOnly)) {
		TQTextStream stream( &file2 );

		stream << "# This file was automatically generated by TDE\n";
		stream << "# All changes will be lost!\n";
		stream << "\n";
		stream << "auth [default=ignore success=ignore] pam_mount.so" << "\n";
		stream << "auth sufficient pam_unix.so nullok try_first_pass" << "\n";
		stream << "auth [default=ignore success=1 service_err=reset] pam_krb5.so ccache=/tmp/krb5cc_%u use_first_pass" << "\n";
		stream << "auth [default=die success=done] pam_ccreds.so action=validate use_first_pass" << "\n";
		stream << "auth sufficient pam_ccreds.so action=store use_first_pass" << "\n";
		stream << "auth required pam_deny.so" << "\n";

		file2.close();
	}
}

void LDAPConfig::writeCronFiles() {
	TQFile file(CRON_UPDATE_NSS_FILE);
	if (file.open(IO_WriteOnly)) {
		TQTextStream stream( &file );

		stream << "# This file was automatically generated by TDE\n";
		stream << "# All changes will be lost!\n";
		stream << "\n";
		stream << "#!/bin/sh" << "\n";
		stream << "/usr/sbin/nss_updatedb ldap" << "\n";

		file.close();
	}
}

int LDAPConfig::buttons() {
	return KCModule::Apply|KCModule::Help;
}

TQString LDAPConfig::quickHelp() const
{
	return i18n("This module configures which LDAP realms TDE uses for authentication.");
}