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135 lines
3.6 KiB
135 lines
3.6 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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/*
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* Implementation of simple checking mechanism. Rules are defined in
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* the form of an URI. Available syntax is:
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* - exec:/<execname> -> check for an executable in
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* $PATH variable.
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* - config:/path/to/file -> check for the existence of a file
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* or directory in KDE or standard
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* UNIX config locations
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* - file:/path/to/file
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* - dir:/path/to/dir -> simply check the existence of the
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* a file or directory
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* - service:/serv -> try to connect to a port on the
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* specified host (usually localhost)
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* "serv" can be a port value or service name
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*
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* TO BE IMPLEMENTED:
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* - run:/<execname> -> check for a running executable
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*/
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#include "tdeprintcheck.h"
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#include <kstandarddirs.h>
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#include <kdebug.h>
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#include <kextsock.h>
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#include <tqfile.h>
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#include <unistd.h>
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static const char* const config_stddirs[] = {
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"/etc/",
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"/usr/etc/",
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"/usr/local/etc/",
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"/opt/etc/",
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"/opt/local/etc/",
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0
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};
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bool KdeprintChecker::check(TDEConfig *conf, const TQString& group)
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{
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if (!group.isEmpty())
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conf->setGroup(group);
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TQStringList uris = conf->readListEntry("Require");
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return check(uris);
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}
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bool KdeprintChecker::check(const TQStringList& uris)
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{
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bool state(true);
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for (TQStringList::ConstIterator it=uris.begin(); it!=uris.end() && state; ++it)
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{
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state = (state && checkURL(KURL(*it)));
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// kdDebug( 500 ) << "auto-detection uri=" << *it << ", state=" << state << endl;
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}
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return state;
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}
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bool KdeprintChecker::checkURL(const KURL& url)
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{
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QString prot(url.protocol());
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if (prot == "config")
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return checkConfig(url);
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else if (prot == "exec")
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return checkExec(url);
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else if (prot == "file" || prot == "dir")
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return TDEStandardDirs::exists(url.url());
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else if (prot == "service")
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return checkService(url);
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return false;
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}
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bool KdeprintChecker::checkConfig(const KURL& url)
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{
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// get the config filename (may contain a path)
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QString f(url.path().mid(1));
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bool state(false);
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// first check for standard KDE config file
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if (!locate("config",f).isEmpty())
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state = true;
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else
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// otherwise check in standard UNIX config directories
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{
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const char* const *p = config_stddirs;
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while (*p)
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{
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// kdDebug( 500 ) << "checkConfig() with " << TQString::fromLatin1( *p ) + f << endl;
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if ( TQFile::exists( TQString::fromLatin1( *p ) + f ) )
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{
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state = true;
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break;
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}
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else
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p++;
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}
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}
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return state;
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}
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bool KdeprintChecker::checkExec(const KURL& url)
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{
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QString execname(url.path().mid(1));
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return !(TDEStandardDirs::findExe(execname).isEmpty());
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}
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bool KdeprintChecker::checkService(const KURL& url)
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{
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QString serv(url.path().mid(1));
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KExtendedSocket sock;
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bool ok;
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int port = serv.toInt(&ok);
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if (ok) sock.setAddress("localhost", port);
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else sock.setAddress("localhost", serv);
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return (sock.connect() == 0);
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}
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