diff options
Diffstat (limited to 'kfile-plugins/rpm/kfile_rpm.cpp')
| -rw-r--r-- | kfile-plugins/rpm/kfile_rpm.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/kfile-plugins/rpm/kfile_rpm.cpp b/kfile-plugins/rpm/kfile_rpm.cpp new file mode 100644 index 0000000..049b017 --- /dev/null +++ b/kfile-plugins/rpm/kfile_rpm.cpp @@ -0,0 +1,152 @@ +/* This file is part of the KDE project + * Copyright (C) 2002 Laurence Anderson <l.d.anderson@warwick.ac.uk> + * + * 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 version 2. + * + * 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; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#include <config.h> + +#include <kgenericfactory.h> +#include <kdebug.h> +#include <qfile.h> + +#if !defined(__osf__) +#include <inttypes.h> +#else +typedef unsigned short uint16_t; +typedef unsigned int uint32_t; +#endif + +#include "kfile_rpm.h" + +typedef KGenericFactory<KRpmPlugin> RpmFactory; + +K_EXPORT_COMPONENT_FACTORY(kfile_rpm, RpmFactory( "kfile_rpm" )) + +KRpmPlugin::KRpmPlugin(QObject *parent, const char *name, + const QStringList &args) + + : KFilePlugin(parent, name, args) +{ + KFileMimeTypeInfo* info = addMimeTypeInfo( "application/x-rpm" ); + KFileMimeTypeInfo::GroupInfo* group = 0L; + group = addGroupInfo(info, "General", i18n("General")); + KFileMimeTypeInfo::ItemInfo* item; + + item = addItemInfo(group, "Name", i18n("Name"), QVariant::String); + item = addItemInfo(group, "Version", i18n("Version"), QVariant::String); + item = addItemInfo(group, "Release", i18n("Release"), QVariant::Int); + item = addItemInfo(group, "Summary", i18n("Summary"), QVariant::String); + setAttributes ( item, KFileMimeTypeInfo::Description ); + item = addItemInfo(group, "Group", i18n("Group"), QVariant::String); + item = addItemInfo(group, "Size", i18n("Size"), QVariant::Int); + setUnit ( item, KFileMimeTypeInfo::Bytes ); + item = addItemInfo(group, "Vendor", i18n("Vendor"), QVariant::String ); + item = addItemInfo(group, "Packager", i18n("Packager"), QVariant::String ); + item = addItemInfo(group, "Archive Offset", i18n("Archive Offset"), QVariant::Int); + item = addItemInfo(group, "Comment", i18n("Comment"), QVariant::String); + setAttributes( item, KFileMimeTypeInfo::MultiLine ); + + group = addGroupInfo(info, "All tags", i18n("All tags")); + addVariableInfo(group, QVariant::String, 0); +} + +bool KRpmPlugin::readInfo( KFileMetaInfo& info, uint what) +{ + QFile file(info.path()); + int pass; + KFileMetaInfoGroup general, all; + + if (!file.open(IO_ReadOnly)) + { + kdDebug(7034) << "Couldn't open " << QFile::encodeName(info.path()) << endl; + return false; + } + + QDataStream dstream(&file); + dstream.setByteOrder(QDataStream::BigEndian); + general = appendGroup(info, "General"); + if (what == KFileMetaInfo::Everything) all = appendGroup(info, "All tags"); + + file.at(96); // Seek past old lead + + for (pass = 0; pass < 2; pass++) { // RPMs have two headers + uint32_t storepos, entries, size, reserved; + unsigned char version; + char magic[3]; + + dstream.readRawBytes(magic, 3); + dstream >> version >> reserved >> entries >> size; + if (memcmp(magic, RPM_HEADER_MAGIC, 3)) return false; + if (version != 1) return false; // Only v1 headers supported + + storepos = file.at() + entries * 16; + if (pass == 0) { // Don't need the first batch of tags - pgp etc + file.at(storepos + size); + file.at(file.at() + (8 - (file.at() % 8)) % 8); // Skip padding + continue; + } + + if (entries < 500) while (entries--) { // Just in case something goes wrong, limit to 500 + uint32_t tag, type, offset, count; + QString tagname; + dstream >> tag >> type >> offset >> count; + offset += storepos; + + switch (tag) { + case RPMTAG_NAME: tagname = "Name"; break; + case RPMTAG_VERSION: tagname = "Version"; break; + case RPMTAG_SUMMARY: tagname = "Summary"; break; + case RPMTAG_GROUP: tagname = "Group"; break; + case RPMTAG_SIZE: tagname = "Size"; break; + case RPMTAG_RELEASE: tagname = "Release"; break; + case RPMTAG_VENDOR: tagname = "Vendor"; break; + case RPMTAG_PACKAGER: tagname = "Packager"; break; + case RPMTAG_DESCRIPTION: tagname = "Comment"; break; + } + + if ( !tagname.isEmpty() || all.isValid() ) { + // kdDebug(7034) << "Tag number: " << tag << " Type: " << type << endl; + int oldPos = file.at(); + file.at(offset); // Set file position to correct place in store + switch (type) { + case RPM_INT32_TYPE: uint32_t int32tag; + dstream >> int32tag; + if ( !tagname.isEmpty() ) appendItem(general, tagname, int(int32tag)); + if ( all.isValid() ) appendItem(all, QString("%1").arg( tag ), QString("%1").arg( int32tag )); + break; + case RPM_INT16_TYPE: uint16_t int16tag; + dstream >> int16tag; + if ( !tagname.isEmpty() ) appendItem(general, tagname, int(int16tag)); + if ( all.isValid() ) appendItem(all, QString("%1").arg( tag ), QString("%1").arg( int16tag )); + break; + case RPM_I18NSTRING_TYPE: // Fallthru + case RPM_STRING_TYPE: QString strtag; char in; + while ( ( in = file.getch() ) != '\0' ) strtag += in; + if ( !tagname.isEmpty() ) appendItem(general, tagname, strtag); + if( all.isValid() ) appendItem(all, QString("%1").arg( tag ), strtag); + break; + } + file.at(oldPos); // Restore old position + } + } + appendItem(general, "Archive Offset", (storepos + size) ); + } + + return true; +} + +#include "kfile_rpm.moc" |