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tdeadmin/tdefile-plugins/rpm/tdefile_rpm.cpp

153 lines
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/* 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 <tqfile.h>
#if !defined(__osf__)
#include <inttypes.h>
#else
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
#endif
#include "tdefile_rpm.h"
typedef KGenericFactory<KRpmPlugin> RpmFactory;
K_EXPORT_COMPONENT_FACTORY(tdefile_rpm, RpmFactory( "tdefile_rpm" ))
KRpmPlugin::KRpmPlugin(TQObject *parent, const char *name,
const TQStringList &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"), TQVariant::String);
item = addItemInfo(group, "Version", i18n("Version"), TQVariant::String);
item = addItemInfo(group, "Release", i18n("Release"), TQVariant::Int);
item = addItemInfo(group, "Summary", i18n("Summary"), TQVariant::String);
setAttributes ( item, KFileMimeTypeInfo::Description );
item = addItemInfo(group, "Group", i18n("Group"), TQVariant::String);
item = addItemInfo(group, "Size", i18n("Size"), TQVariant::Int);
setUnit ( item, KFileMimeTypeInfo::Bytes );
item = addItemInfo(group, "Vendor", i18n("Vendor"), TQVariant::String );
item = addItemInfo(group, "Packager", i18n("Packager"), TQVariant::String );
item = addItemInfo(group, "Archive Offset", i18n("Archive Offset"), TQVariant::Int);
item = addItemInfo(group, "Comment", i18n("Comment"), TQVariant::String);
setAttributes( item, KFileMimeTypeInfo::MultiLine );
group = addGroupInfo(info, "All tags", i18n("All tags"));
addVariableInfo(group, TQVariant::String, 0);
}
bool KRpmPlugin::readInfo( KFileMetaInfo& info, uint what)
{
TQFile file(info.path());
int pass;
KFileMetaInfoGroup general, all;
if (!file.open(IO_ReadOnly))
{
kdDebug(7034) << "Couldn't open " << TQFile::encodeName(info.path()).data() << endl;
return false;
}
TQDataStream dstream(&file);
dstream.setByteOrder(TQDataStream::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;
TQString 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, TQString("%1").arg( tag ), TQString("%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, TQString("%1").arg( tag ), TQString("%1").arg( int16tag ));
break;
case RPM_I18NSTRING_TYPE: // Fallthru
case RPM_STRING_TYPE: TQString strtag; char in;
while ( ( in = file.getch() ) != '\0' ) strtag += in;
if ( !tagname.isEmpty() ) appendItem(general, tagname, strtag);
if( all.isValid() ) appendItem(all, TQString("%1").arg( tag ), strtag);
break;
}
file.at(oldPos); // Restore old position
}
}
appendItem(general, "Archive Offset", (storepos + size) );
}
return true;
}
#include "tdefile_rpm.moc"