kio Library API Documentation

kfileshare.cpp

00001 /* This file is part of the KDE project 00002 Copyright (c) 2001 David Faure <david@mandrakesoft.com> 00003 Copyright (c) 2001 Laurent Montel <lmontel@mandrakesoft.com> 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License version 2 as published by the Free Software Foundation. 00008 00009 This library is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 Library General Public License for more details. 00013 00014 You should have received a copy of the GNU Library General Public License 00015 along with this library; see the file COPYING.LIB. If not, write to 00016 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00017 Boston, MA 02111-1307, USA. 00018 */ 00019 00020 #include "kfileshare.h" 00021 #include <qdir.h> 00022 #include <qfile.h> 00023 #include <kprocess.h> 00024 #include <kprocio.h> 00025 #include <klocale.h> 00026 #include <kstaticdeleter.h> 00027 #include <kstandarddirs.h> 00028 #include <kdebug.h> 00029 #include <kdirwatch.h> 00030 #include <stdio.h> 00031 #include <stdlib.h> 00032 #include <errno.h> 00033 #include <kdirnotify_stub.h> 00034 #include <ksimpleconfig.h> 00035 #include <kuser.h> 00036 00037 KFileShare::Authorization KFileShare::s_authorization = NotInitialized; 00038 QStringList* KFileShare::s_shareList = 0L; 00039 static KStaticDeleter<QStringList> sdShareList; 00040 00041 KFileShare::ShareMode KFileShare::s_shareMode; 00042 bool KFileShare::s_sambaEnabled; 00043 bool KFileShare::s_nfsEnabled; 00044 bool KFileShare::s_restricted; 00045 QString KFileShare::s_fileShareGroup; 00046 bool KFileShare::s_sharingEnabled; 00047 00048 00049 #define FILESHARECONF "/etc/security/fileshare.conf" 00050 00051 KFileSharePrivate::KFileSharePrivate() 00052 { 00053 KDirWatch::self()->addFile(FILESHARECONF); 00054 connect(KDirWatch::self(), SIGNAL(dirty (const QString&)),this, 00055 SLOT(slotFileChange(const QString &))); 00056 connect(KDirWatch::self(), SIGNAL(created(const QString&)),this, 00057 SLOT(slotFileChange(const QString &))); 00058 connect(KDirWatch::self(), SIGNAL(deleted(const QString&)),this, 00059 SLOT(slotFileChange(const QString &))); 00060 } 00061 00062 KFileSharePrivate::~KFileSharePrivate() 00063 { 00064 00065 } 00066 00067 KFileSharePrivate *KFileSharePrivate::_self=0L; 00068 00069 static KStaticDeleter<KFileSharePrivate> kstFileShare; 00070 00071 KFileSharePrivate* KFileSharePrivate::self() 00072 { 00073 if (!_self) 00074 _self = kstFileShare.setObject(_self, new KFileSharePrivate()); 00075 return _self; 00076 } 00077 00078 void KFileSharePrivate::slotFileChange(const QString &file) 00079 { 00080 if(file==FILESHARECONF) { 00081 KFileShare::readConfig(); 00082 KFileShare::readShareList(); 00083 } 00084 } 00085 00086 void KFileShare::readConfig() // static 00087 { 00088 // Create KFileSharePrivate instance 00089 KFileSharePrivate::self(); 00090 KSimpleConfig config(QString::fromLatin1(FILESHARECONF),true); 00091 00092 s_sharingEnabled = config.readEntry("FILESHARING", "yes") == "yes"; 00093 s_restricted = config.readEntry("RESTRICT", "yes") == "yes"; 00094 s_fileShareGroup = config.readEntry("FILESHAREGROUP", "fileshare"); 00095 00096 00097 if (!s_sharingEnabled) 00098 s_authorization = UserNotAllowed; 00099 else 00100 if (!s_restricted ) 00101 s_authorization = Authorized; 00102 else { 00103 // check if current user is in fileshare group 00104 KUserGroup shareGroup(s_fileShareGroup); 00105 if (shareGroup.users().findIndex(KUser()) > -1 ) 00106 s_authorization = Authorized; 00107 else 00108 s_authorization = UserNotAllowed; 00109 } 00110 00111 if (config.readEntry("SHARINGMODE", "simple") == "simple") 00112 s_shareMode = Simple; 00113 else 00114 s_shareMode = Advanced; 00115 00116 00117 s_sambaEnabled = config.readEntry("SAMBA", "yes") == "yes"; 00118 s_nfsEnabled = config.readEntry("NFS", "yes") == "yes"; 00119 } 00120 00121 KFileShare::ShareMode KFileShare::shareMode() { 00122 if ( s_authorization == NotInitialized ) 00123 readConfig(); 00124 00125 return s_shareMode; 00126 } 00127 00128 bool KFileShare::sharingEnabled() { 00129 if ( s_authorization == NotInitialized ) 00130 readConfig(); 00131 00132 return s_sharingEnabled; 00133 } 00134 00135 bool KFileShare::isRestricted() { 00136 if ( s_authorization == NotInitialized ) 00137 readConfig(); 00138 00139 return s_restricted; 00140 } 00141 00142 QString KFileShare::fileShareGroup() { 00143 if ( s_authorization == NotInitialized ) 00144 readConfig(); 00145 00146 return s_fileShareGroup; 00147 } 00148 00149 00150 bool KFileShare::sambaEnabled() { 00151 if ( s_authorization == NotInitialized ) 00152 readConfig(); 00153 00154 return s_sambaEnabled; 00155 } 00156 00157 bool KFileShare::nfsEnabled() { 00158 if ( s_authorization == NotInitialized ) 00159 readConfig(); 00160 00161 return s_nfsEnabled; 00162 } 00163 00164 00165 void KFileShare::readShareList() 00166 { 00167 KFileSharePrivate::self(); 00168 if ( !s_shareList ) 00169 sdShareList.setObject( s_shareList, new QStringList ); 00170 else 00171 s_shareList->clear(); 00172 00173 // /usr/sbin on Mandrake, $PATH allows flexibility for other distributions 00174 QString exe = findExe( "filesharelist" ); 00175 if (exe.isEmpty()) { 00176 s_authorization = ErrorNotFound; 00177 return; 00178 } 00179 KProcIO proc; 00180 proc << exe; 00181 if ( !proc.start( KProcess::Block ) ) { 00182 kdError() << "Can't run " << exe << endl; 00183 s_authorization = ErrorNotFound; 00184 return; 00185 } 00186 00187 // Reading code shamelessly stolen from khostname.cpp ;) 00188 QString line; 00189 int length; 00190 do { 00191 length = proc.readln(line, true); 00192 if ( length > 0 ) 00193 { 00194 if ( line[length-1] != '/' ) 00195 line += '/'; 00196 s_shareList->append(line); 00197 kdDebug(7000) << "Shared dir:" << line << endl; 00198 } 00199 } while (length > -1); 00200 } 00201 00202 00203 bool KFileShare::isDirectoryShared( const QString& _path ) 00204 { 00205 if ( ! s_shareList ) 00206 readShareList(); 00207 00208 QString path( _path ); 00209 if ( path[path.length()-1] != '/' ) 00210 path += '/'; 00211 return s_shareList && s_shareList->contains( path ); 00212 } 00213 00214 KFileShare::Authorization KFileShare::authorization() 00215 { 00216 // The app should do this on startup, but if it doesn't, let's do here. 00217 if ( s_authorization == NotInitialized ) 00218 readConfig(); 00219 return s_authorization; 00220 } 00221 00222 QString KFileShare::findExe( const char* exeName ) 00223 { 00224 // /usr/sbin on Mandrake, $PATH allows flexibility for other distributions 00225 QString path = QString::fromLocal8Bit(getenv("PATH")) + QString::fromLatin1(":/usr/sbin"); 00226 QString exe = KStandardDirs::findExe( exeName, path ); 00227 if (exe.isEmpty()) 00228 kdError() << exeName << " not found in " << path << endl; 00229 return exe; 00230 } 00231 00232 bool KFileShare::setShared( const QString& path, bool shared ) 00233 { 00234 if (! KFileShare::sharingEnabled() || 00235 KFileShare::shareMode() == Advanced) 00236 return false; 00237 00238 kdDebug(7000) << "KFileShare::setShared " << path << "," << shared << endl; 00239 QString exe = KFileShare::findExe( "fileshareset" ); 00240 if (exe.isEmpty()) 00241 return false; 00242 00243 KProcess proc; 00244 proc << exe; 00245 if ( shared ) 00246 proc << "--add"; 00247 else 00248 proc << "--remove"; 00249 proc << path; 00250 proc.start( KProcess::Block ); // should be ok, the perl script terminates fast 00251 bool ok = proc.normalExit() && (proc.exitStatus() == 0); 00252 kdDebug(7000) << "KFileSharePropsPlugin::setShared normalExit=" 00253 << proc.normalExit() << endl; 00254 kdDebug(7000) << "KFileSharePropsPlugin::setShared exitStatus=" 00255 << proc.exitStatus() << endl; 00256 if ( proc.normalExit() ) { 00257 switch( proc.exitStatus() ) { 00258 case 1: 00259 // User is not authorized 00260 break; 00261 case 3: 00262 // Called script with --add, but path was already shared before. 00263 // Result is nevertheless what the client wanted, so 00264 // this is alright. 00265 ok = true; 00266 break; 00267 case 4: 00268 // Invalid mount point 00269 break; 00270 case 5: 00271 // Called script with --remove, but path was not shared before. 00272 // Result is nevertheless what the client wanted, so 00273 // this is alright. 00274 ok = true; 00275 break; 00276 case 6: 00277 // There is no export method 00278 break; 00279 case 7: 00280 // file sharing is disabled 00281 break; 00282 case 8: 00283 // advanced sharing is enabled 00284 break; 00285 case 255: 00286 // Abitrary error 00287 break; 00288 } 00289 } 00290 00291 return ok; 00292 } 00293 00294 #include "kfileshare.moc"
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This file is part of the documentation for kio Library Version 3.4.0.
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