diff options
Diffstat (limited to 'kfile-plugins/lnk/read_lnk.cpp')
| -rw-r--r-- | kfile-plugins/lnk/read_lnk.cpp | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/kfile-plugins/lnk/read_lnk.cpp b/kfile-plugins/lnk/read_lnk.cpp deleted file mode 100644 index 1170f9a..0000000 --- a/kfile-plugins/lnk/read_lnk.cpp +++ /dev/null @@ -1,227 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2004 by Martin Koller * - * [email protected] * - * * - * This function reads the content of a M$-Windoze .lnk file * - * and returns data in the given structure. * - * * - * 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., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * - ***************************************************************************/ - -#include "read_lnk.h" -#include <stdio.h> -#include <kdebug.h> -#include <kio/netaccess.h> - -//-------------------------------------------------------------------------------- - -//TODO: little/big endian problem ? -struct LNKHeader -{ - char magic[4]; - char GUID[16]; - TQ_UINT32 flags; - TQ_UINT32 attributes; - char time1[8]; - char time2[8]; - char time3[8]; - TQ_UINT32 length; - TQ_UINT32 iconNum; - TQ_UINT32 showWnd; - TQ_UINT32 hotKey; - char filler[8]; -}; - -struct LNKFileLocation -{ - TQ_UINT32 totalLen; - TQ_UINT32 ptr; - TQ_UINT32 flags; - TQ_UINT32 localVolume; - TQ_UINT32 basePath; - TQ_UINT32 netVolume; - TQ_UINT32 pathname; -}; - -//-------------------------------------------------------------------------------- - -bool readLNK(const KURL &url, LNKInfo &info) -{ - const char* lnkFile = 0; - - TQString tempFile; - if ( TDEIO::NetAccess::download(url, tempFile, 0) ) - lnkFile = tempFile.latin1(); - else - return false; - - kdDebug(7034) << "opening:" << lnkFile << endl; - FILE *fd = fopen(lnkFile, "rb"); - if ( !fd ) - { - kdWarning(7034) << "could not open file " << lnkFile << endl; - TDEIO::NetAccess::removeTempFile(tempFile); - return false; - } - - LNKHeader header; - - if ( fread(&header, sizeof(header), 1, fd) != 1 ) - { - kdWarning(7034) << "wrong header size" << endl; - fclose(fd); - TDEIO::NetAccess::removeTempFile(tempFile); - return false; - } - - if ( memcmp(header.magic, "L\0\0\0", 4) != 0 ) - { - kdWarning(7034) << "wrong magic in header" << endl; - fclose(fd); - TDEIO::NetAccess::removeTempFile(tempFile); - return false; - } - - if ( header.flags & 0x1 ) // the shell item id list is present - { - TQ_UINT16 len; - - // skip that list - if ( (fread(&len, sizeof(len), 1, fd) != 1) || (fseek(fd, len, SEEK_CUR) != 0) ) - { - kdWarning(7034) << "could not read shell item id list" << endl; - fclose(fd); - TDEIO::NetAccess::removeTempFile(tempFile); - return false; - } - } - - info.isDirectory = (header.attributes & 0x10); - - if ( ! info.isDirectory ) // not a directory - info.fileSize = header.length; - - info.isFileOrDir = (header.flags & 0x2); // points to file or directory - - if ( info.isFileOrDir ) - { - LNKFileLocation loc; - - if ( fread(&loc, sizeof(loc), 1, fd) != 1 ) - { - kdWarning(7034) << "could not read file localtion table" << endl; - fclose(fd); - TDEIO::NetAccess::removeTempFile(tempFile); - return false; - } - - // limit the following "new", because the size to allocate is in the file - // which can easily be manipulted to contain a huge number and lead to a crash - if ( (loc.totalLen <= sizeof(loc)) || (loc.totalLen > 4096) ) // 4096 is just an arbitrary number I think shall be enough - { - fclose(fd); - TDEIO::NetAccess::removeTempFile(tempFile); - return false; - } - - size_t size = loc.totalLen - sizeof(loc); - char *data = new char[size]; - char *start = data - sizeof(loc); - - if ( fread(data, size, 1, fd) != 1 ) - { - kdWarning(7034) << "could not read pathes data" << endl; - delete [] data; - fclose(fd); - TDEIO::NetAccess::removeTempFile(tempFile); - return false; - } - - info.isNetworkPath = !(loc.flags & 0x1); - - if ( !info.isNetworkPath ) - { - info.volumeName = (start + loc.localVolume + 0x10); // volume label - - info.path = TQString(); - - if ( *(start + loc.basePath) ) - { - // Don't put any more than "X:" into info.driveName. - info.driveName = *(start + loc.basePath); - info.driveName += ':'; - - // If we in fact do have more than just "X:", store any additional - // path information separately in info.path. - if ( *(start + loc.basePath + 1) == ':' && - *(start + loc.basePath + 2) != 0) - info.path = (start + loc.basePath + 2); - } - - if ( *(start + loc.pathname) != 0 ) - { - if ( info.path.isNull() ) - info.path = (start + loc.pathname); - else - info.path = info.path + "\\" + (start + loc.pathname); - } - } - else // network path - { - info.path = TQString("%1\\%2") - .arg(start + loc.netVolume + 0x14) // network share name - .arg(start + loc.pathname); - } - - delete [] data; - data = 0; - - if ( header.flags & 0x4 ) // has description string - { - TQ_UINT16 len; - - if ( fread(&len, sizeof(len), 1, fd) != 1 ) - { - kdWarning(7034) << "could not read description string length" << endl; - fclose(fd); - TDEIO::NetAccess::removeTempFile(tempFile); - return false; - } - - data = new char[len+1]; // this can never be > 65K, so its OK to not check the size - - if ( fread(data, len, 1, fd) != 1 ) - { - kdWarning(7034) << "could not read description string" << endl; - delete [] data; - fclose(fd); - TDEIO::NetAccess::removeTempFile(tempFile); - return false; - } - - data[len] = 0; // nullbyte seems to miss - - info.description = data; - - delete [] data; - } - } - - fclose(fd); - TDEIO::NetAccess::removeTempFile(tempFile); - - return true; -} |