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652 lines
18 KiB
652 lines
18 KiB
/*
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* This file is part of the KDE libraries
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* Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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**/
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#include "kmlpdmanager.h"
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#include "kmprinter.h"
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#include "kmdbentry.h"
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#include "driver.h"
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#include "kmfactory.h"
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#include "lpdtools.h"
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#include "gschecker.h"
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#include "kpipeprocess.h"
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#include <tqfile.h>
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#include <tqfileinfo.h>
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#include <tqtextstream.h>
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#include <tqmap.h>
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#include <tqregexp.h>
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#include <tdelocale.h>
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#include <kstandarddirs.h>
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#include <tdeconfig.h>
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#include <kprocess.h>
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#include <pwd.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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// only there to allow testing on my system. Should be removed
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// when everything has proven to be working and stable
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TQString lpdprefix = "";
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TQString ptPrinterType(KMPrinter*);
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//************************************************************************************************
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KMLpdManager::KMLpdManager(TQObject *parent, const char *name)
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: KMManager(parent,name)
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{
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m_entries.setAutoDelete(true);
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m_ptentries.setAutoDelete(true);
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setHasManagement(getuid() == 0);
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setPrinterOperationMask(KMManager::PrinterCreation|KMManager::PrinterConfigure|KMManager::PrinterRemoval|KMManager::PrinterEnabling);
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m_gschecker = new GsChecker(this,"GsChecker");
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}
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KMLpdManager::~KMLpdManager()
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{
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}
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TQString KMLpdManager::driverDbCreationProgram()
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{
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return TQString::fromLatin1("make_driver_db_lpd");
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}
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TQString KMLpdManager::driverDirectory()
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{
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return TQString::fromLatin1("/usr/lib/rhs/rhs-printfilters");
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}
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bool KMLpdManager::completePrinter(KMPrinter *printer)
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{
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return completePrinterShort(printer);
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}
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bool KMLpdManager::completePrinterShort(KMPrinter *printer)
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{
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PrintcapEntry *entry = m_entries.find(printer->name());
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if (entry)
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{
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TQString type(entry->comment(2)), driver(entry->comment(7)), lp(entry->arg("lp"));
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printer->setDescription(i18n("Local printer queue (%1)").arg(type.isEmpty() ? i18n("Unknown type of local printer queue", "Unknown") : type));
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printer->setLocation(i18n("<Not available>"));
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printer->setDriverInfo(driver.isEmpty() ? i18n("Unknown Driver", "Unknown") : driver);
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// device
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KURL url;
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if (!entry->arg("rm").isEmpty())
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{
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url = TQString::fromLatin1("lpd://%1/%2").arg(entry->arg("rm")).arg(entry->arg("rp"));
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printer->setDescription(i18n("Remote LPD queue %1@%2").arg(entry->arg("rp")).arg(entry->arg("rm")));
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}
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else if (!lp.isEmpty() && lp != "/dev/null")
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url = TQString::fromLatin1("parallel:%1").arg(lp);
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else if (TQFile::exists(entry->arg("sd")+"/.config"))
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{
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TQMap<TQString,TQString> map = loadPrinttoolCfgFile(entry->arg("sd")+"/.config");
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if (type == "SMB")
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{
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QStringList l = TQStringList::split('\\',map["share"],false);
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if (map["workgroup"].isEmpty())
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url = TQString::fromLatin1("smb://%1/%2").arg(l[0]).arg(l[1]);
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else
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url = TQString::fromLatin1("smb://%1/%2/%3").arg(map["workgroup"]).arg(l[0]).arg(l[1]);
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url.setUser(map["user"]);
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url.setPass(map["password"]);
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}
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else if (type == "DIRECT")
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url = TQString::fromLatin1("socket://%1:%2").arg(map["printer_ip"]).arg(map["port"]);
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else if (type == "NCP")
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{
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url = TQString::fromLatin1("ncp://%1/%2").arg(map["server"]).arg(map["queue"]);
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url.setUser(map["user"]);
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url.setPass(map["password"]);
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}
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}
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printer->setDevice(url);
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return true;
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}
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else return false;
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}
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bool KMLpdManager::createPrinter(KMPrinter *printer)
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{
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// 1) create the printcap entry
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PrintcapEntry *ent = findPrintcapEntry(printer->printerName());
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if (!ent)
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{
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ent = new PrintcapEntry();
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ent->m_name = printer->printerName();
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}
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else
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{
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if (!printer->driver() && printer->option("kde-driver") != "raw")
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printer->setDriver(loadPrinterDriver(printer,true));
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// remove it from current entries
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ent = m_entries.take(ent->m_name);
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ent->m_args.clear();
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}
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// Standard options
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if (printer->device().protocol() == "lpd")
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{
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// remote lpd queue
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ent->m_args["rm"] = printer->device().host();
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ent->m_args["rp"] = printer->device().path().replace("/",TQString::fromLatin1(""));
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ent->m_args["lpd_bounce"] = "true";
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ent->m_comment = TQString::fromLatin1("##PRINTTOOL3## REMOTE");
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}
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ent->m_args["mx"] = (printer->option("mx").isEmpty() ? "#0" : printer->option("mx"));
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ent->m_args["sh"] = TQString::null;
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// create spool directory (if necessary) and update PrintcapEntry object
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if (!createSpooldir(ent))
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{
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setErrorMsg(i18n("Unable to create spool directory %1 for printer %2.").arg(ent->arg("sd")).arg(ent->m_name));
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delete ent;
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return false;
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}
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if (!printer->driver() || printer->driver()->get("drtype") == "printtool")
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if (!createPrinttoolEntry(printer,ent))
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{
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setErrorMsg(i18n("Unable to save information for printer <b>%1</b>.").arg(printer->printerName()));
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delete ent;
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return false;
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}
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// 2) write the printcap file
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m_entries.insert(ent->m_name,ent);
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if (!writePrinters())
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return false;
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// 3) save the printer driver (if any)
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if (printer->driver())
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{
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if (!savePrinterDriver(printer,printer->driver()))
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{
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m_entries.remove(ent->m_name);
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writePrinters();
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return false;
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}
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}
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// 4) change permissions of spool directory
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TQCString cmd = "chmod -R o-rwx,g+rwX ";
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cmd += TQFile::encodeName(TDEProcess::quote(ent->arg("sd")));
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cmd += "&& chown -R lp.lp ";
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cmd += TQFile::encodeName(TDEProcess::quote(ent->arg("sd")));
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if (system(cmd.data()) != 0)
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{
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setErrorMsg(i18n("Unable to set correct permissions on spool directory %1 for printer <b>%2</b>.").arg(ent->arg("sd")).arg(ent->m_name));
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return false;
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}
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return true;
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}
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bool KMLpdManager::removePrinter(KMPrinter *printer)
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{
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PrintcapEntry *ent = findPrintcapEntry(printer->printerName());
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if (ent)
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{
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ent = m_entries.take(printer->printerName());
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if (!writePrinters())
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{
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m_entries.insert(ent->m_name,ent);
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return false;
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}
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TQCString cmd = "rm -rf ";
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cmd += TQFile::encodeName(TDEProcess::quote(ent->arg("sd")));
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system(cmd.data());
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delete ent;
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return true;
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}
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else
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return false;
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}
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bool KMLpdManager::enablePrinter(KMPrinter *printer, bool state)
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{
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KPipeProcess proc;
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TQString cmd = programName(0);
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cmd += " ";
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cmd += state ? "up" : "down";
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cmd += " ";
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cmd += TDEProcess::quote(printer->printerName());
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if (proc.open(cmd))
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{
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QTextStream t(&proc);
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TQString buffer;
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while (!t.eof())
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buffer.append(t.readLine());
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if (buffer.startsWith("?Privilege"))
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{
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setErrorMsg(i18n("Permission denied: you must be root."));
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return false;
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}
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return true;
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}
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else
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{
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setErrorMsg(i18n("Unable to execute command \"%1\".").arg(cmd));
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return false;
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}
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}
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bool KMLpdManager::enablePrinter(KMPrinter *printer)
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{
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return enablePrinter(printer,true);
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}
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bool KMLpdManager::disablePrinter(KMPrinter *printer)
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{
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return enablePrinter(printer,false);
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}
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void KMLpdManager::listPrinters()
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{
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m_entries.clear();
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loadPrintcapFile(TQString::fromLatin1("%1/etc/printcap").arg(lpdprefix));
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TQDictIterator<PrintcapEntry> it(m_entries);
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for (;it.current();++it)
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{
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KMPrinter *printer = it.current()->createPrinter();
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addPrinter(printer);
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}
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checkStatus();
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}
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TQString KMLpdManager::programName(int f)
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{
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TDEConfig *conf = KMFactory::self()->printConfig();
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conf->setGroup("LPD");
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switch (f)
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{
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case 0: return conf->readPathEntry("LpdCommand","/usr/sbin/lpc");
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case 1: return conf->readPathEntry("LpdQueue","lpq");
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case 2: return conf->readPathEntry("LpdRemove","lprm");
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}
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return TQString::null;
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}
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void KMLpdManager::checkStatus()
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{
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KPipeProcess proc;
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TQString cmd = programName(0) + " status all";
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if (proc.open(cmd))
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{
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QTextStream t(&proc);
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TQString line;
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KMPrinter *printer(0);
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int p(-1);
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while (!t.eof())
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{
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line = t.readLine().stripWhiteSpace();
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if (line.isEmpty())
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continue;
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if ((p=line.find(':')) != -1)
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printer = findPrinter(line.left(p));
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else if (line.startsWith("printing") && printer)
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printer->setState(line.find("enabled") != -1 ? KMPrinter::Idle : KMPrinter::Stopped);
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else if (line.find("entries") != -1 && printer)
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if (!line.startsWith("no") && printer->state() == KMPrinter::Idle)
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printer->setState(KMPrinter::Processing);
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}
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}
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}
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bool KMLpdManager::writePrinters()
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{
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if (!writePrintcapFile(TQString::fromLatin1("%1/etc/printcap").arg(lpdprefix)))
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{
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setErrorMsg(i18n("Unable to write printcap file."));
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return false;
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}
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return true;
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}
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void KMLpdManager::loadPrintcapFile(const TQString& filename)
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{
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QFile f(filename);
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if (f.exists() && f.open(IO_ReadOnly))
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{
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QTextStream t(&f);
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TQString line, comment;
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PrintcapEntry *entry;
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while (!t.eof())
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{
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line = getPrintcapLine(t,&comment);
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if (line.isEmpty())
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continue;
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entry = new PrintcapEntry;
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if (entry->readLine(line))
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{
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m_entries.insert(entry->m_name,entry);
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entry->m_comment = comment;
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}
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else
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{
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delete entry;
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break;
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}
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}
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}
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}
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bool KMLpdManager::writePrintcapFile(const TQString& filename)
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{
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QFile f(filename);
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if (f.open(IO_WriteOnly))
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{
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QTextStream t(&f);
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t << "# File generated by TDE print (LPD plugin).\n#Don't edit by hand." << endl << endl;
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TQDictIterator<PrintcapEntry> it(m_entries);
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for (;it.current();++it)
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it.current()->writeEntry(t);
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return true;
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}
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return false;
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}
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PrinttoolEntry* KMLpdManager::findPrinttoolEntry(const TQString& name)
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{
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if (m_ptentries.count() == 0)
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loadPrinttoolDb(driverDirectory()+"/printerdb");
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PrinttoolEntry *ent = m_ptentries.find(name);
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if (!ent)
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setErrorMsg(i18n("Couldn't find driver <b>%1</b> in printtool database.").arg(name));
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return ent;
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}
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void KMLpdManager::loadPrinttoolDb(const TQString& filename)
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{
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QFile f(filename);
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if (f.exists() && f.open(IO_ReadOnly))
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{
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QTextStream t(&f);
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PrinttoolEntry *entry = new PrinttoolEntry;
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while (entry->readEntry(t))
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{
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m_ptentries.insert(entry->m_name,entry);
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entry = new PrinttoolEntry;
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}
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delete entry;
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}
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}
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DrMain* KMLpdManager::loadDbDriver(KMDBEntry *entry)
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{
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TQString ptdbfilename = driverDirectory() + "/printerdb";
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if (entry->file == ptdbfilename)
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{
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PrinttoolEntry *ptentry = findPrinttoolEntry(entry->modelname);
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if (ptentry)
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{
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DrMain *dr = ptentry->createDriver();
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return dr;
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}
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}
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return NULL;
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}
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PrintcapEntry* KMLpdManager::findPrintcapEntry(const TQString& name)
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{
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PrintcapEntry *ent = m_entries.find(name);
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if (!ent)
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setErrorMsg(i18n("Couldn't find printer <b>%1</b> in printcap file.").arg(name));
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return ent;
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}
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DrMain* KMLpdManager::loadPrinterDriver(KMPrinter *printer, bool config)
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{
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PrintcapEntry *entry = findPrintcapEntry(printer->name());
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if (!entry)
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return NULL;
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// check for printtool driver (only for configuration)
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TQString sd = entry->arg("sd"), dr(entry->comment(7));
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if (TQFile::exists(sd+"/postscript.cfg") && config && !dr.isEmpty())
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{
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TQMap<TQString,TQString> map = loadPrinttoolCfgFile(sd+"/postscript.cfg");
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PrinttoolEntry *ptentry = findPrinttoolEntry(dr);
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if (!ptentry)
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return NULL;
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DrMain *dr = ptentry->createDriver();
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dr->setOptions(map);
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map = loadPrinttoolCfgFile(sd+"/general.cfg");
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dr->setOptions(map);
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map = loadPrinttoolCfgFile(sd+"/textonly.cfg");
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dr->setOptions(map);
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return dr;
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}
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// default
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if (entry->m_comment.startsWith("##PRINTTOOL3##"))
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setErrorMsg(i18n("No driver found (raw printer)"));
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else
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setErrorMsg(i18n("Printer type not recognized."));
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return NULL;
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}
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bool KMLpdManager::checkGsDriver(const TQString& gsdriver)
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{
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if (gsdriver == "ppa" || gsdriver == "POSTSCRIPT" || gsdriver == "TEXT")
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return true;
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else if (!m_gschecker->checkGsDriver(gsdriver))
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{
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setErrorMsg(i18n("The driver device <b>%1</b> is not compiled in your GhostScript distribution. Check your installation or use another driver.").arg(gsdriver));
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return false;
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}
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return true;
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}
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TQMap<TQString,TQString> KMLpdManager::loadPrinttoolCfgFile(const TQString& filename)
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{
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QFile f(filename);
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TQMap<TQString,TQString> map;
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if (f.exists() && f.open(IO_ReadOnly))
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{
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QTextStream t(&f);
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TQString line, name, val;
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int p(-1);
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while (!t.eof())
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{
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line = getPrintcapLine(t);
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if (line.isEmpty())
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break;
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if (line.startsWith("export "))
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line.replace(0,7,"");
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if ((p=line.find('=')) != -1)
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{
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name = line.left(p);
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val = line.right(line.length()-p-1);
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val.replace("\"","");
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val.replace("'","");
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if (!name.isEmpty() && !val.isEmpty())
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map[name] = val;
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}
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}
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}
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return map;
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}
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bool KMLpdManager::savePrinttoolCfgFile(const TQString& templatefile, const TQString& dirname, const TQMap<TQString,TQString>& options)
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{
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// defines input and output file
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TQString fname = TQFileInfo(templatefile).fileName();
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fname.replace(TQRegExp("\\.in$"),TQString::fromLatin1(""));
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QFile fin(templatefile);
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QFile fout(dirname + "/" + fname);
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if (fin.exists() && fin.open(IO_ReadOnly) && fout.open(IO_WriteOnly))
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{
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QTextStream tin(&fin), tout(&fout);
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TQString line, name;
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int p(-1);
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while (!tin.eof())
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{
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line = tin.readLine().stripWhiteSpace();
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if (line.isEmpty() || line[0] == '#')
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{
|
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tout << line << endl;
|
|
continue;
|
|
}
|
|
if (line.startsWith("export "))
|
|
{
|
|
tout << "export ";
|
|
line.replace(0,7,TQString::fromLatin1(""));
|
|
}
|
|
if ((p=line.find('=')) != -1)
|
|
{
|
|
name = line.left(p);
|
|
tout << name << '=' << options[name] << endl;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
else return false;
|
|
}
|
|
|
|
bool KMLpdManager::savePrinterDriver(KMPrinter *printer, DrMain *driver)
|
|
{
|
|
// To be able to save a printer driver, a printcap entry MUST exist.
|
|
// We can then retrieve the spool directory from it.
|
|
TQString spooldir;
|
|
PrintcapEntry *ent = findPrintcapEntry(printer->printerName());
|
|
if (!ent)
|
|
return false;
|
|
spooldir = ent->arg("sd");
|
|
|
|
if (driver->get("drtype") == "printtool" && !spooldir.isEmpty())
|
|
{
|
|
TQMap<TQString,TQString> options;
|
|
driver->getOptions(options,true);
|
|
// add some standard options
|
|
options["DESIRED_TO"] = "ps";
|
|
options["PRINTER_TYPE"] = ent->comment(2); // get type from printcap entry (works in anycases)
|
|
options["PS_SEND_EOF"] = "NO";
|
|
if (!checkGsDriver(options["GSDEVICE"]))
|
|
return false;
|
|
TQString resol(options["RESOLUTION"]), color(options["COLOR"]);
|
|
// update entry comment to make printtool happy and save printcap file
|
|
ent->m_comment = TQString::fromLatin1("##PRINTTOOL3## %1 %2 %3 %4 {} {%5} %6 {}").arg(options["PRINTER_TYPE"]).arg(options["GSDEVICE"]).arg((resol.isEmpty() ? TQString::fromLatin1("NAxNA") : resol)).arg(options["PAPERSIZE"]).arg(driver->name()).arg((color.isEmpty() ? TQString::fromLatin1("Default") : color.right(color.length()-15)));
|
|
ent->m_args["if"] = spooldir+TQString::fromLatin1("/filter");
|
|
if (!writePrinters())
|
|
return false;
|
|
// write various driver files using templates
|
|
TQCString cmd = "cp ";
|
|
cmd += TQFile::encodeName(TDEProcess::quote(driverDirectory()+"/master-filter"));
|
|
cmd += " ";
|
|
cmd += TQFile::encodeName(TDEProcess::quote(spooldir + "/filter"));
|
|
if (system(cmd.data()) == 0 &&
|
|
savePrinttoolCfgFile(driverDirectory()+"/general.cfg.in",spooldir,options) &&
|
|
savePrinttoolCfgFile(driverDirectory()+"/postscript.cfg.in",spooldir,options) &&
|
|
savePrinttoolCfgFile(driverDirectory()+"/textonly.cfg.in",spooldir,options))
|
|
return true;
|
|
setErrorMsg(i18n("Unable to write driver associated files in spool directory."));
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool KMLpdManager::createPrinttoolEntry(KMPrinter *printer, PrintcapEntry *entry)
|
|
{
|
|
KURL dev(printer->device());
|
|
TQString prot = dev.protocol(), sd(entry->arg("sd"));
|
|
entry->m_comment = TQString::fromLatin1("##PRINTTOOL3## %1").arg(ptPrinterType(printer));
|
|
if (prot == "smb" || prot == "ncp" || prot == "socket")
|
|
{
|
|
entry->m_args["af"] = sd+TQString::fromLatin1("/acct");
|
|
QFile f(sd+TQString::fromLatin1("/.config"));
|
|
if (f.open(IO_WriteOnly))
|
|
{
|
|
QTextStream t(&f);
|
|
if (prot == "socket")
|
|
{
|
|
t << "printer_ip=" << dev.host() << endl;
|
|
t << "port=" << dev.port() << endl;
|
|
entry->m_args["if"] = driverDirectory()+TQString::fromLatin1("/directprint");
|
|
}
|
|
else if (prot == "smb")
|
|
{
|
|
QStringList l = TQStringList::split('/',dev.path(),false);
|
|
if (l.count() == 2)
|
|
{
|
|
t << "share='\\\\" << l[0] << '\\' << l[1] << '\'' << endl;
|
|
}
|
|
else if (l.count() == 1)
|
|
{
|
|
t << "share='\\\\" << dev.host() << '\\' << l[0] << '\'' << endl;
|
|
}
|
|
t << "hostip=" << endl;
|
|
t << "user='" << dev.user() << '\'' << endl;
|
|
t << "password='" << dev.pass() << '\'' << endl;
|
|
t << "workgroup='" << (l.count() == 2 ? dev.host() : TQString::fromLatin1("")) << '\'' << endl;
|
|
entry->m_args["if"] = driverDirectory()+TQString::fromLatin1("/smbprint");
|
|
}
|
|
else if (prot == "ncp")
|
|
{
|
|
t << "server=" << dev.host() << endl;
|
|
t << "queue=" << dev.path().replace("/",TQString::fromLatin1("")) << endl;
|
|
t << "user=" << dev.user() << endl;
|
|
t << "password=" << dev.pass() << endl;
|
|
entry->m_args["if"] = driverDirectory()+TQString::fromLatin1("/ncpprint");
|
|
}
|
|
}
|
|
else return false;
|
|
entry->m_args["lp"] = TQString::fromLatin1("/dev/null");
|
|
}
|
|
else if (prot != "lpd")
|
|
entry->m_args["lp"] = dev.path();
|
|
return true;
|
|
}
|
|
|
|
bool KMLpdManager::createSpooldir(PrintcapEntry *entry)
|
|
{
|
|
// first check if it has a "sd" defined
|
|
if (entry->arg("sd").isEmpty())
|
|
entry->m_args["sd"] = TQString::fromLatin1("/var/spool/lpd/")+entry->m_name;
|
|
TQString sd = entry->arg("sd");
|
|
if (!TDEStandardDirs::exists(sd))
|
|
{
|
|
if (!TDEStandardDirs::makeDir(sd,0750))
|
|
return false;
|
|
struct passwd *lp_pw = getpwnam("lp");
|
|
if (lp_pw && chown(TQFile::encodeName(sd),lp_pw->pw_uid,lp_pw->pw_gid) != 0)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool KMLpdManager::validateDbDriver(KMDBEntry *entry)
|
|
{
|
|
PrinttoolEntry *ptentry = findPrinttoolEntry(entry->modelname);
|
|
return (ptentry && checkGsDriver(ptentry->m_gsdriver));
|
|
}
|
|
|
|
//************************************************************************************************
|
|
|
|
TQString ptPrinterType(KMPrinter *p)
|
|
{
|
|
TQString type, prot = p->device().protocol();
|
|
if (prot == "lpd") type = "REMOTE";
|
|
else if (prot == "smb") type = "SMB";
|
|
else if (prot == "ncp") type = "NCP";
|
|
else if (prot == "socket") type = "DIRECT";
|
|
else type = "LOCAL";
|
|
return type;
|
|
}
|