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-rw-r--r--tdewallet/backend/tdewalletbackend.cpp838
1 files changed, 838 insertions, 0 deletions
diff --git a/tdewallet/backend/tdewalletbackend.cpp b/tdewallet/backend/tdewalletbackend.cpp
new file mode 100644
index 000000000..83e37a49a
--- /dev/null
+++ b/tdewallet/backend/tdewalletbackend.cpp
@@ -0,0 +1,838 @@
+/* This file is part of the KDE project
+ *
+ * Copyright (C) 2001-2004 George Staikos <staikos@kde.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "tdewalletbackend.h"
+
+#include <stdlib.h>
+
+#include <kdebug.h>
+#include <tdeglobal.h>
+#include <tdelocale.h>
+#include <kmdcodec.h>
+#include <ksavefile.h>
+#include <kstandarddirs.h>
+
+#include <tqfile.h>
+#include <tqfileinfo.h>
+#include <tqregexp.h>
+
+#include "blowfish.h"
+#include "sha1.h"
+#include "cbc.h"
+
+#include <assert.h>
+
+#define TDEWALLET_VERSION_MAJOR 0
+#define TDEWALLET_VERSION_MINOR 0
+
+#define TDEWALLET_CIPHER_BLOWFISH_CBC 0
+#define TDEWALLET_CIPHER_3DES_CBC 1 // unsupported
+
+#define TDEWALLET_HASH_SHA1 0
+#define TDEWALLET_HASH_MD5 1 // unsupported
+
+
+using namespace TDEWallet;
+
+#define KWMAGIC "KWALLET\n\r\0\r\n"
+#define KWMAGIC_LEN 12
+
+static void initTDEWalletDir()
+{
+ TDEGlobal::dirs()->addResourceType("tdewallet", "share/apps/tdewallet");
+}
+
+Backend::Backend(const TQString& name, bool isPath) : _name(name), _ref(0) {
+ initTDEWalletDir();
+ if (isPath) {
+ _path = name;
+ } else {
+ _path = TDEGlobal::dirs()->saveLocation("tdewallet") + "/" + _name + ".kwl";
+ }
+
+ _open = false;
+}
+
+
+Backend::~Backend() {
+ if (_open) {
+ close();
+ }
+}
+
+
+int Backend::close() {
+ for (FolderMap::ConstIterator i = _entries.begin(); i != _entries.end(); ++i) {
+ for (EntryMap::ConstIterator j = i.data().begin(); j != i.data().end(); ++j) {
+ delete j.data();
+ }
+ }
+ _entries.clear();
+
+return 0;
+}
+
+
+static int getRandomBlock(TQByteArray& randBlock) {
+ // First try /dev/urandom
+ if (TQFile::exists("/dev/urandom")) {
+ TQFile devrand("/dev/urandom");
+ if (devrand.open(IO_ReadOnly)) {
+ unsigned int rc = devrand.readBlock(randBlock.data(), randBlock.size());
+
+ if (rc != randBlock.size()) {
+ return -3; // not enough data read
+ }
+
+ return 0;
+ }
+ }
+
+ // If that failed, try /dev/random
+ // FIXME: open in noblocking mode!
+ if (TQFile::exists("/dev/random")) {
+ TQFile devrand("/dev/random");
+ if (devrand.open(IO_ReadOnly)) {
+ unsigned int rc = 0;
+ unsigned int cnt = 0;
+
+ do {
+ int rc2 = devrand.readBlock(randBlock.data() + rc, randBlock.size());
+
+ if (rc2 < 0) {
+ return -3; // read error
+ }
+
+ rc += rc2;
+ cnt++;
+ if (cnt > randBlock.size()) {
+ return -4; // reading forever?!
+ }
+ } while(rc < randBlock.size());
+
+ return 0;
+ }
+ }
+
+ // EGD method
+ char *randFilename;
+ if ((randFilename = getenv("RANDFILE"))) {
+ if (TQFile::exists(randFilename)) {
+ TQFile devrand(randFilename);
+ if (devrand.open(IO_ReadOnly)) {
+ unsigned int rc = devrand.readBlock(randBlock.data(), randBlock.size());
+ if (rc != randBlock.size()) {
+ return -3; // not enough data read
+ }
+ return 0;
+ }
+ }
+ }
+
+ // Couldn't get any random data!!
+
+ return -1;
+}
+
+
+// this should be SHA-512 for release probably
+static int password2hash(const TQByteArray& password, TQByteArray& hash) {
+ SHA1 sha;
+ int shasz = sha.size() / 8;
+
+ assert(shasz >= 20);
+
+ TQByteArray block1(shasz);
+
+ sha.process(password.data(), TQMIN(password.size(), 16));
+
+ // To make brute force take longer
+ for (int i = 0; i < 2000; i++) {
+ memcpy(block1.data(), sha.hash(), shasz);
+ sha.reset();
+ sha.process(block1.data(), shasz);
+ }
+
+ sha.reset();
+
+ if (password.size() > 16) {
+ sha.process(password.data() + 16, TQMIN(password.size() - 16, 16));
+ TQByteArray block2(shasz);
+ // To make brute force take longer
+ for (int i = 0; i < 2000; i++) {
+ memcpy(block2.data(), sha.hash(), shasz);
+ sha.reset();
+ sha.process(block2.data(), shasz);
+ }
+
+ sha.reset();
+
+ if (password.size() > 32) {
+ sha.process(password.data() + 32, TQMIN(password.size() - 32, 16));
+
+ TQByteArray block3(shasz);
+ // To make brute force take longer
+ for (int i = 0; i < 2000; i++) {
+ memcpy(block3.data(), sha.hash(), shasz);
+ sha.reset();
+ sha.process(block3.data(), shasz);
+ }
+
+ sha.reset();
+
+ if (password.size() > 48) {
+ sha.process(password.data() + 48, password.size() - 48);
+
+ TQByteArray block4(shasz);
+ // To make brute force take longer
+ for (int i = 0; i < 2000; i++) {
+ memcpy(block4.data(), sha.hash(), shasz);
+ sha.reset();
+ sha.process(block4.data(), shasz);
+ }
+
+ sha.reset();
+ // split 14/14/14/14
+ hash.resize(56);
+ memcpy(hash.data(), block1.data(), 14);
+ memcpy(hash.data() + 14, block2.data(), 14);
+ memcpy(hash.data() + 28, block3.data(), 14);
+ memcpy(hash.data() + 42, block4.data(), 14);
+ block4.fill(0);
+ } else {
+ // split 20/20/16
+ hash.resize(56);
+ memcpy(hash.data(), block1.data(), 20);
+ memcpy(hash.data() + 20, block2.data(), 20);
+ memcpy(hash.data() + 40, block3.data(), 16);
+ }
+ block3.fill(0);
+ } else {
+ // split 20/20
+ hash.resize(40);
+ memcpy(hash.data(), block1.data(), 20);
+ memcpy(hash.data() + 20, block2.data(), 20);
+ }
+ block2.fill(0);
+ } else {
+ // entirely block1
+ hash.resize(20);
+ memcpy(hash.data(), block1.data(), 20);
+ }
+
+ block1.fill(0);
+
+ return 0;
+}
+
+
+bool Backend::exists(const TQString& wallet) {
+ initTDEWalletDir();
+ TQString path = TDEGlobal::dirs()->saveLocation("tdewallet") + "/" + wallet + ".kwl";
+ // Note: 60 bytes is presently the minimum size of a wallet file.
+ // Anything smaller is junk.
+return TQFile::exists(path) && TQFileInfo(path).size() >= 60;
+}
+
+
+TQString Backend::openRCToString(int rc) {
+ switch (rc) {
+ case -255:
+ return i18n("Already open.");
+ case -2:
+ return i18n("Error opening file.");
+ case -3:
+ return i18n("Not a wallet file.");
+ case -4:
+ return i18n("Unsupported file format revision.");
+ case -42:
+ return i18n("Unknown encryption scheme.");
+ case -43:
+ return i18n("Corrupt file?");
+ case -8:
+ return i18n("Error validating wallet integrity. Possibly corrupted.");
+ case -5:
+ case -7:
+ case -9:
+ return i18n("Read error - possibly incorrect password.");
+ case -6:
+ return i18n("Decryption error.");
+ default:
+ return TQString::null;
+ }
+}
+
+
+int Backend::open(const TQByteArray& password) {
+
+ if (_open) {
+ return -255; // already open
+ }
+
+ TQByteArray passhash;
+
+ // No wallet existed. Let's create it.
+ // Note: 60 bytes is presently the minimum size of a wallet file.
+ // Anything smaller is junk and should be deleted.
+ if (!TQFile::exists(_path) || TQFileInfo(_path).size() < 60) {
+ TQFile newfile(_path);
+ if (!newfile.open(IO_ReadWrite)) {
+ return -2; // error opening file
+ }
+ newfile.close();
+ _open = true;
+ sync(password);
+ return 1; // new file opened, but OK
+ }
+
+ TQFile db(_path);
+
+ if (!db.open(IO_ReadOnly)) {
+ return -2; // error opening file
+ }
+
+ char magicBuf[KWMAGIC_LEN];
+ db.readBlock(magicBuf, KWMAGIC_LEN);
+ if (memcmp(magicBuf, KWMAGIC, KWMAGIC_LEN) != 0) {
+ return -3; // bad magic
+ }
+
+ db.readBlock(magicBuf, 4);
+
+ // First byte is major version, second byte is minor version
+ if (magicBuf[0] != TDEWALLET_VERSION_MAJOR) {
+ return -4; // unknown version
+ }
+
+ if (magicBuf[1] != TDEWALLET_VERSION_MINOR) {
+ return -4; // unknown version
+ }
+
+ if (magicBuf[2] != TDEWALLET_CIPHER_BLOWFISH_CBC) {
+ return -42; // unknown cipher
+ }
+
+ if (magicBuf[3] != TDEWALLET_HASH_SHA1) {
+ return -42; // unknown hash
+ }
+
+ _hashes.clear();
+ // Read in the hashes
+ TQDataStream hds(&db);
+ TQ_UINT32 n;
+ hds >> n;
+ if (n > 0xffff) { // sanity check
+ return -43;
+ }
+
+ for (size_t i = 0; i < n; ++i) {
+ KMD5::Digest d, d2; // judgment day
+ MD5Digest ba;
+ TQMap<MD5Digest,TQValueList<MD5Digest> >::iterator it;
+ TQ_UINT32 fsz;
+ if (hds.atEnd()) return -43;
+ hds.readRawBytes(reinterpret_cast<char *>(d), 16);
+ hds >> fsz;
+ ba.duplicate(reinterpret_cast<char *>(d), 16);
+ it = _hashes.insert(ba, TQValueList<MD5Digest>());
+ for (size_t j = 0; j < fsz; ++j) {
+ hds.readRawBytes(reinterpret_cast<char *>(d2), 16);
+ ba.duplicate(reinterpret_cast<char *>(d2), 16);
+ (*it).append(ba);
+ }
+ }
+
+ // Read in the rest of the file.
+ TQByteArray encrypted = db.readAll();
+ assert(encrypted.size() < db.size());
+
+ BlowFish _bf;
+ CipherBlockChain bf(&_bf);
+ int blksz = bf.blockSize();
+ if ((encrypted.size() % blksz) != 0) {
+ return -5; // invalid file structure
+ }
+
+ // Decrypt the encrypted data
+ passhash.resize(bf.keyLen()/8);
+ password2hash(password, passhash);
+
+ bf.setKey((void *)passhash.data(), passhash.size()*8);
+
+ if (!encrypted.data()) {
+ passhash.fill(0);
+ encrypted.fill(0);
+ return -7; // file structure error
+ }
+
+ int rc = bf.decrypt(encrypted.data(), encrypted.size());
+ if (rc < 0) {
+ passhash.fill(0);
+ encrypted.fill(0);
+ return -6; // decrypt error
+ }
+
+ passhash.fill(0); // passhash is UNUSABLE NOW
+
+ const char *t = encrypted.data();
+
+ // strip the leading data
+ t += blksz; // one block of random data
+
+ // strip the file size off
+ long fsize = 0;
+
+ fsize |= (long(*t) << 24) & 0xff000000;
+ t++;
+ fsize |= (long(*t) << 16) & 0x00ff0000;
+ t++;
+ fsize |= (long(*t) << 8) & 0x0000ff00;
+ t++;
+ fsize |= long(*t) & 0x000000ff;
+ t++;
+
+ if (fsize < 0 || fsize > long(encrypted.size()) - blksz - 4) {
+ //kdDebug() << "fsize: " << fsize << " encrypted.size(): " << encrypted.size() << " blksz: " << blksz << endl;
+ encrypted.fill(0);
+ return -9; // file structure error.
+ }
+
+ // compute the hash ourself
+ SHA1 sha;
+ sha.process(t, fsize);
+ const char *testhash = (const char *)sha.hash();
+
+ // compare hashes
+ int sz = encrypted.size();
+ for (int i = 0; i < 20; i++) {
+ if (testhash[i] != static_cast<const char>(encrypted.at(sz - 20 + i))) {
+ encrypted.fill(0);
+ sha.reset();
+ return -8; // hash error.
+ }
+ }
+
+ sha.reset();
+
+ // chop off the leading blksz+4 bytes
+ TQByteArray tmpenc;
+ tmpenc.duplicate(encrypted.data()+blksz+4, fsize);
+ encrypted.fill(0);
+ encrypted.duplicate(tmpenc.data(), tmpenc.size());
+ tmpenc.fill(0);
+
+ // Load the data structures up
+ TQDataStream eStream(encrypted, IO_ReadOnly);
+
+ while (!eStream.atEnd()) {
+ TQString folder;
+ TQ_UINT32 n;
+
+ eStream >> folder;
+ eStream >> n;
+
+ // Force initialisation
+ _entries[folder].clear();
+
+ for (size_t i = 0; i < n; i++) {
+ TQString key;
+ TDEWallet::Wallet::EntryType et = TDEWallet::Wallet::Unknown;
+ Entry *e = new Entry;
+ eStream >> key;
+ TQ_INT32 x = 0; // necessary to read properly
+ eStream >> x;
+ et = static_cast<TDEWallet::Wallet::EntryType>(x);
+
+ switch (et) {
+ case TDEWallet::Wallet::Password:
+ case TDEWallet::Wallet::Stream:
+ case TDEWallet::Wallet::Map:
+ break;
+ default: // Unknown entry
+ delete e;
+ continue;
+ }
+
+ TQByteArray a;
+ eStream >> a;
+ e->setValue(a);
+ e->setType(et);
+ e->setKey(key);
+ _entries[folder][key] = e;
+ }
+ }
+
+ _open = true;
+ return 0;
+}
+
+
+int Backend::sync(const TQByteArray& password) {
+ if (!_open) {
+ return -255; // not open yet
+ }
+
+ KSaveFile sf(_path, 0600);
+ TQFile *qf = sf.file();
+
+ if (!qf) {
+ sf.abort();
+ return -1; // error opening file
+ }
+
+ qf->writeBlock(KWMAGIC, KWMAGIC_LEN);
+
+ // Write the version number
+ TQByteArray version(4);
+ version[0] = TDEWALLET_VERSION_MAJOR;
+ version[1] = TDEWALLET_VERSION_MINOR;
+ version[2] = TDEWALLET_CIPHER_BLOWFISH_CBC;
+ version[3] = TDEWALLET_HASH_SHA1;
+ qf->writeBlock(version, 4);
+
+ // Holds the hashes we write out
+ TQByteArray hashes;
+ TQDataStream hashStream(hashes, IO_WriteOnly);
+ KMD5 md5;
+ hashStream << static_cast<TQ_UINT32>(_entries.count());
+
+ // Holds decrypted data prior to encryption
+ TQByteArray decrypted;
+
+ // FIXME: we should estimate the amount of data we will write in each
+ // buffer and resize them approximately in order to avoid extra
+ // resizes.
+
+ // populate decrypted
+ TQDataStream dStream(decrypted, IO_WriteOnly);
+ for (FolderMap::ConstIterator i = _entries.begin(); i != _entries.end(); ++i) {
+ dStream << i.key();
+ dStream << static_cast<TQ_UINT32>(i.data().count());
+
+ md5.reset();
+ md5.update(i.key().utf8());
+ hashStream.writeRawBytes(reinterpret_cast<const char*>(&(md5.rawDigest()[0])), 16);
+ hashStream << static_cast<TQ_UINT32>(i.data().count());
+
+ for (EntryMap::ConstIterator j = i.data().begin(); j != i.data().end(); ++j) {
+ dStream << j.key();
+ dStream << static_cast<TQ_INT32>(j.data()->type());
+ dStream << j.data()->value();
+
+ md5.reset();
+ md5.update(j.key().utf8());
+ hashStream.writeRawBytes(reinterpret_cast<const char*>(&(md5.rawDigest()[0])), 16);
+ }
+ }
+
+ qf->writeBlock(hashes, hashes.size());
+
+ // calculate the hash of the file
+ SHA1 sha;
+ BlowFish _bf;
+ CipherBlockChain bf(&_bf);
+
+ sha.process(decrypted.data(), decrypted.size());
+
+ // prepend and append the random data
+ TQByteArray wholeFile;
+ long blksz = bf.blockSize();
+ long newsize = decrypted.size() +
+ blksz + // encrypted block
+ 4 + // file size
+ 20; // size of the SHA hash
+
+ int delta = (blksz - (newsize % blksz));
+ newsize += delta;
+ wholeFile.resize(newsize);
+
+ TQByteArray randBlock;
+ randBlock.resize(blksz+delta);
+ if (getRandomBlock(randBlock) < 0) {
+ sha.reset();
+ decrypted.fill(0);
+ sf.abort();
+ return -3; // Fatal error: can't get random
+ }
+
+ for (int i = 0; i < blksz; i++) {
+ wholeFile[i] = randBlock[i];
+ }
+
+ for (int i = 0; i < 4; i++) {
+ wholeFile[(int)(i+blksz)] = (decrypted.size() >> 8*(3-i))&0xff;
+ }
+
+ for (unsigned int i = 0; i < decrypted.size(); i++) {
+ wholeFile[(int)(i+blksz+4)] = decrypted[i];
+ }
+
+ for (int i = 0; i < delta; i++) {
+ wholeFile[(int)(i+blksz+4+decrypted.size())] = randBlock[(int)(i+blksz)];
+ }
+
+ const char *hash = (const char *)sha.hash();
+ for (int i = 0; i < 20; i++) {
+ wholeFile[(int)(newsize - 20 + i)] = hash[i];
+ }
+
+ sha.reset();
+ decrypted.fill(0);
+
+ // hash the passphrase
+ TQByteArray passhash;
+ password2hash(password, passhash);
+
+ // encrypt the data
+ if (!bf.setKey(passhash.data(), passhash.size() * 8)) {
+ passhash.fill(0);
+ wholeFile.fill(0);
+ sf.abort();
+ return -2;
+ }
+
+ int rc = bf.encrypt(wholeFile.data(), wholeFile.size());
+ if (rc < 0) {
+ passhash.fill(0);
+ wholeFile.fill(0);
+ sf.abort();
+ return -2; // encrypt error
+ }
+
+ passhash.fill(0); // passhash is UNUSABLE NOW
+
+ // write the file
+ qf->writeBlock(wholeFile, wholeFile.size());
+ if (!sf.close()) {
+ wholeFile.fill(0);
+ sf.abort();
+ return -4; // write error
+ }
+
+ wholeFile.fill(0);
+
+return 0;
+}
+
+
+int Backend::close(const TQByteArray& password) {
+ int rc = sync(password);
+ _open = false;
+ if (rc != 0) {
+ return rc;
+ }
+ return close();
+}
+
+
+const TQString& Backend::walletName() const {
+ return _name;
+}
+
+
+bool Backend::isOpen() const {
+ return _open;
+}
+
+
+TQStringList Backend::folderList() const {
+ return _entries.keys();
+}
+
+
+TQStringList Backend::entryList() const {
+ return _entries[_folder].keys();
+}
+
+
+Entry *Backend::readEntry(const TQString& key) {
+Entry *rc = 0L;
+
+ if (_open && hasEntry(key)) {
+ rc = _entries[_folder][key];
+ }
+
+return rc;
+}
+
+
+TQPtrList<Entry> Backend::readEntryList(const TQString& key) {
+ TQPtrList<Entry> rc;
+
+ if (!_open) {
+ return rc;
+ }
+
+ TQRegExp re(key, true, true);
+
+ const EntryMap& map = _entries[_folder];
+ for (EntryMap::ConstIterator i = map.begin(); i != map.end(); ++i) {
+ if (re.exactMatch(i.key())) {
+ rc.append(i.data());
+ }
+ }
+ return rc;
+}
+
+
+bool Backend::createFolder(const TQString& f) {
+ if (_entries.contains(f)) {
+ return false;
+ }
+
+ _entries.insert(f, EntryMap());
+
+ KMD5 folderMd5;
+ folderMd5.update(f.utf8());
+ _hashes.insert(MD5Digest(folderMd5.rawDigest()), TQValueList<MD5Digest>());
+
+return true;
+}
+
+
+int Backend::renameEntry(const TQString& oldName, const TQString& newName) {
+EntryMap& emap = _entries[_folder];
+EntryMap::Iterator oi = emap.find(oldName);
+EntryMap::Iterator ni = emap.find(newName);
+
+ if (oi != emap.end() && ni == emap.end()) {
+ Entry *e = oi.data();
+ emap.remove(oi);
+ emap[newName] = e;
+
+ KMD5 folderMd5;
+ folderMd5.update(_folder.utf8());
+
+ HashMap::iterator i = _hashes.find(MD5Digest(folderMd5.rawDigest()));
+ if (i != _hashes.end()) {
+ KMD5 oldMd5, newMd5;
+ oldMd5.update(oldName.utf8());
+ newMd5.update(newName.utf8());
+ i.data().remove(MD5Digest(oldMd5.rawDigest()));
+ i.data().append(MD5Digest(newMd5.rawDigest()));
+ }
+ return 0;
+ }
+
+return -1;
+}
+
+
+void Backend::writeEntry(Entry *e) {
+ if (!_open)
+ return;
+
+ if (!hasEntry(e->key())) {
+ _entries[_folder][e->key()] = new Entry;
+ }
+ _entries[_folder][e->key()]->copy(e);
+
+ KMD5 folderMd5;
+ folderMd5.update(_folder.utf8());
+
+ HashMap::iterator i = _hashes.find(MD5Digest(folderMd5.rawDigest()));
+ if (i != _hashes.end()) {
+ KMD5 md5;
+ md5.update(e->key().utf8());
+ i.data().append(MD5Digest(md5.rawDigest()));
+ }
+}
+
+
+bool Backend::hasEntry(const TQString& key) const {
+ return _entries.contains(_folder) && _entries[_folder].contains(key);
+}
+
+
+bool Backend::removeEntry(const TQString& key) {
+ if (!_open) {
+ return false;
+ }
+
+ FolderMap::Iterator fi = _entries.find(_folder);
+ EntryMap::Iterator ei = fi.data().find(key);
+
+ if (fi != _entries.end() && ei != fi.data().end()) {
+ delete ei.data();
+ fi.data().remove(ei);
+ KMD5 folderMd5;
+ folderMd5.update(_folder.utf8());
+
+ HashMap::iterator i = _hashes.find(MD5Digest(folderMd5.rawDigest()));
+ if (i != _hashes.end()) {
+ KMD5 md5;
+ md5.update(key.utf8());
+ i.data().remove(MD5Digest(md5.rawDigest()));
+ }
+ return true;
+ }
+
+return false;
+}
+
+
+bool Backend::removeFolder(const TQString& f) {
+ if (!_open) {
+ return false;
+ }
+
+ FolderMap::Iterator fi = _entries.find(f);
+
+ if (fi != _entries.end()) {
+ if (_folder == f) {
+ _folder = TQString::null;
+ }
+
+ for (EntryMap::Iterator ei = fi.data().begin(); ei != fi.data().end(); ++ei) {
+ delete ei.data();
+ }
+
+ _entries.remove(fi);
+
+ KMD5 folderMd5;
+ folderMd5.update(f.utf8());
+ _hashes.erase(MD5Digest(folderMd5.rawDigest()));
+ return true;
+ }
+
+return false;
+}
+
+
+bool Backend::folderDoesNotExist(const TQString& folder) const {
+ KMD5 md5;
+ md5.update(folder.utf8());
+ return !_hashes.contains(MD5Digest(md5.rawDigest()));
+}
+
+
+bool Backend::entryDoesNotExist(const TQString& folder, const TQString& entry) const {
+ KMD5 md5;
+ md5.update(folder.utf8());
+ HashMap::const_iterator i = _hashes.find(MD5Digest(md5.rawDigest()));
+ if (i != _hashes.end()) {
+ md5.reset();
+ md5.update(entry.utf8());
+ return !i.data().contains(MD5Digest(md5.rawDigest()));
+ }
+ return true;
+}
+
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-25 16:52:16 +0000