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-rw-r--r--pwmanager/pwmanager/pwmdoc.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/pwmanager/pwmanager/pwmdoc.cpp b/pwmanager/pwmanager/pwmdoc.cpp
index 36b0df5..1f3c58b 100644
--- a/pwmanager/pwmanager/pwmdoc.cpp
+++ b/pwmanager/pwmanager/pwmdoc.cpp
@@ -55,769 +55,769 @@
#include <string.h>
//US#include <iostream>
#include <algorithm>
#include <sys/types.h>
#include <sys/stat.h>
#ifndef _WIN32_
#include <unistd.h>
#include <stdint.h>
#endif
#ifdef PWM_EMBEDDED
#ifndef Q_LONG
#define Q_LONG long
#endif
#ifndef Q_ULONG
#define Q_ULONG unsigned long
#endif
#endif //PWM_EMBEDDED
//TODO: reset to its normal value.
//LR set to 5 min
#define META_CHECK_TIMER_INTERVAL 300 /* 10 300*/ /* sek */
using namespace std;
void PwMDocList::add(PwMDoc *doc, const string &id)
{
#ifdef PWM_DEBUG
// check for existance of object in debug mode only.
vector<listItem>::iterator begin = docList.begin(),
end = docList.end(),
i = begin;
while (i != end) {
if (i->doc == doc) {
BUG();
return;
}
++i;
}
#endif
listItem newItem;
newItem.doc = doc;
newItem.docId = id;
docList.push_back(newItem);
}
void PwMDocList::edit(PwMDoc *doc, const string &newId)
{
vector<listItem>::iterator begin = docList.begin(),
end = docList.end(),
i = begin;
while (i != end) {
if (i->doc == doc) {
i->docId = newId;
return;
}
++i;
}
}
void PwMDocList::del(PwMDoc *doc)
{
vector<listItem>::iterator begin = docList.begin(),
end = docList.end(),
i = begin;
while (i != end) {
if (i->doc == doc) {
docList.erase(i);
return;
}
++i;
}
}
bool PwMDocList::find(const string &id, listItem *ret)
{
vector<listItem>::iterator begin = docList.begin(),
end = docList.end(),
i = begin;
while (i != end) {
if (i->docId == id) {
if (ret)
*ret = *i;
return true;
}
++i;
}
return false;
}
DocTimer::DocTimer(PwMDoc *_doc)
: doc (_doc)
, mpwLock (0)
, autoLockLock (0)
, metaCheckLock (0)
{
mpwTimer = new QTimer;
autoLockTimer = new QTimer;
metaCheckTimer = new QTimer;
connect(mpwTimer, SIGNAL(timeout()),
this, SLOT(mpwTimeout()));
connect(autoLockTimer, SIGNAL(timeout()),
this, SLOT(autoLockTimeout()));
connect(metaCheckTimer, SIGNAL(timeout()),
this, SLOT(metaCheckTimeout()));
}
DocTimer::~DocTimer()
{
delete mpwTimer;
delete autoLockTimer;
delete metaCheckTimer;
}
void DocTimer::start(TimerIDs timer)
{
switch (timer) {
case id_mpwTimer:
if (mpwTimer->isActive())
mpwTimer->stop();
doc->setDocStatFlag(DOC_STAT_UNLOCK_WITHOUT_PW);
mpwTimer->start(conf()->confGlobPwTimeout() * 1000, true);
break;
case id_autoLockTimer:
if (autoLockTimer->isActive())
autoLockTimer->stop();
if (conf()->confGlobLockTimeout() > 0)
autoLockTimer->start(conf()->confGlobLockTimeout() * 1000, true);
break;
case id_metaCheckTimer:
if (metaCheckTimer->isActive())
metaCheckTimer->stop();
metaCheckTimer->start(META_CHECK_TIMER_INTERVAL * 1000, true);
break;
}
}
void DocTimer::stop(TimerIDs timer)
{
switch (timer) {
case id_mpwTimer:
mpwTimer->stop();
break;
case id_autoLockTimer:
autoLockTimer->stop();
break;
case id_metaCheckTimer:
metaCheckTimer->stop();
break;
}
}
void DocTimer::getLock(TimerIDs timer)
{
switch (timer) {
case id_mpwTimer:
++mpwLock;
break;
case id_autoLockTimer:
++autoLockLock;
break;
case id_metaCheckTimer:
++metaCheckLock;
break;
}
}
void DocTimer::putLock(TimerIDs timer)
{
switch (timer) {
case id_mpwTimer:
if (mpwLock)
--mpwLock;
break;
case id_autoLockTimer:
if (autoLockLock)
--autoLockLock;
break;
case id_metaCheckTimer:
if (metaCheckLock)
--metaCheckLock;
break;
}
}
void DocTimer::mpwTimeout()
{
if (mpwLock) {
mpwTimer->start(1000, true);
return;
}
doc->unsetDocStatFlag(DOC_STAT_UNLOCK_WITHOUT_PW);
}
void DocTimer::autoLockTimeout()
{
if (autoLockLock) {
autoLockTimer->start(1000, true);
return;
}
if (conf()->confGlobAutoDeepLock() &&
doc->filename != QString::null &&
doc->filename != "") {
doc->deepLock(true);
} else {
doc->lockAll(true);
}
}
void DocTimer::metaCheckTimeout()
{
if (metaCheckLock) {
// check again in one second.
metaCheckTimer->start(1000, true);
return;
}
if (doc->isDeepLocked()) {
metaCheckTimer->start(META_CHECK_TIMER_INTERVAL * 1000, true);
return;
}
if (doc->isDocEmpty()) {
metaCheckTimer->start(META_CHECK_TIMER_INTERVAL * 1000, true);
return;
}
#ifdef CONFIG_KWALLETIF
KWalletEmu *kwlEmu = doc->init->kwalletEmu();
if (kwlEmu)
kwlEmu->suspendDocSignals();
#endif // CONFIG_KWALLETIF
/* We simply trigger all views to update their
* displayed values. This way they have a chance
* to get notified when some meta changes over time.
* (for example an entry expired).
* The _view_ is responsive for not updating its
* contents if nothing really changed!
*/
emit doc->dataChanged(doc);
#ifdef CONFIG_KWALLETIF
if (kwlEmu)
kwlEmu->resumeDocSignals();
#endif // CONFIG_KWALLETIF
metaCheckTimer->start(META_CHECK_TIMER_INTERVAL * 1000, true);
}
PwMDocList PwMDoc::openDocList;
unsigned int PwMDocList::unnamedDocCnt = 1;
PwMDoc::PwMDoc(QObject *parent, const char *name)
: PwMDocUi(parent, name)
, dataChangedLock (0)
{
deleted = false;
unnamedNum = 0;
getOpenDocList()->add(this, getTitle().latin1());
curDocStat = 0;
setMaxNumEntries();
_timer = new DocTimer(this);
timer()->start(DocTimer::id_mpwTimer);
timer()->start(DocTimer::id_autoLockTimer);
timer()->start(DocTimer::id_metaCheckTimer);
addCategory(DEFAULT_CATEGORY, 0, false);
listView = 0;
emit docCreated(this);
}
PwMDoc::~PwMDoc()
{
emit docClosed(this);
getOpenDocList()->del(this);
delete _timer;
}
PwMerror PwMDoc::saveDoc(char compress, const QString *file)
{
PwMerror ret, e;
string serialized;
QFile f;
QString tmpFileMoved(QString::null);
bool wasDeepLocked;
QString savedFilename(filename);
if (!file) {
if (filename == "")
return e_filename;
if (isDeepLocked()) {
/* We don't need to save any data.
* It's already all on disk, because
* we are deeplocked.
*/
unsetDocStatFlag(DOC_STAT_DISK_DIRTY);
ret = e_success;
return ret;
}
} else {
if (*file == "" && filename == "")
return e_filename;
if (*file != "")
filename = *file;
}
wasDeepLocked = isDeepLocked();
if (wasDeepLocked) {
/* We are deeplocked. That means all data is already
* on disk. BUT we need to do saving procedure,
* because *file != savedFilename.
* Additionally we need to tempoarly restore
* the old "filename", because deepLock() references it.
*/
QString newFilename(filename);
filename = savedFilename;
getDataChangedLock();
e = deepLock(false);
putDataChangedLock();
filename = newFilename;
switch (e) {
case e_success:
break;
case e_wrongPw:
case e_noPw:
emitDataChanged(this);
return e;
default:
emitDataChanged(this);
return e_openFile;
}
}
if (!isPwAvailable()) {
/* password is not available. This means, the
* document wasn't saved, yet.
*/
bool useChipcard = getDocStatFlag(DOC_STAT_USE_CHIPCARD);
QString pw(requestNewMpw(&useChipcard));
if (pw != "") {
currentPw = pw;
} else {
return e_noPw;
}
if (useChipcard) {
setDocStatFlag(DOC_STAT_USE_CHIPCARD);
} else {
unsetDocStatFlag(DOC_STAT_USE_CHIPCARD);
}
}
int _cryptAlgo = conf()->confGlobCryptAlgo();
int _hashAlgo = conf()->confGlobHashAlgo();
// sanity check for the selected algorithms
if (_cryptAlgo < PWM_CRYPT_BLOWFISH ||
_cryptAlgo > PWM_CRYPT_TWOFISH128) {
printWarn("Invalid Crypto-Algorithm selected! "
"Config-file seems to be corrupt. "
"Falling back to Blowfish.");
_cryptAlgo = PWM_CRYPT_BLOWFISH;
}
if (_hashAlgo < PWM_HASH_SHA1 ||
_hashAlgo > PWM_HASH_TIGER) {
printWarn("Invalid Hash-Algorithm selected! "
"Config-file seems to be corrupt. "
"Falling back to SHA1.");
_hashAlgo = PWM_HASH_SHA1;
}
char cryptAlgo = static_cast<char>(_cryptAlgo);
char hashAlgo = static_cast<char>(_hashAlgo);
if (conf()->confGlobMakeFileBackup()) {
if (!backupFile(filename))
return e_fileBackup;
}
int mLastBackupDate = 0;
KConfig configGlobal (locateLocal("config","pwmanagerbuprc"));
QFileInfo fileInfo ( filename );
mLastBackupDate = configGlobal.readNumEntry( "LastBackupDate-"+ fileInfo.fileName (), 0 );
KConfig config (locateLocal("config","microkdeglobalrc"));
config.setGroup( "BackupSettings" );
bool b_enabled = config.readBoolEntry( "BackupEnabled" );
- if ( b_enabled ) {
+ if ( b_enabled && QFile::exists(filename)) {
int num = config.readNumEntry( "BackupNumbers" );
int d_count = config.readNumEntry( "BackupDayCount" );
bool stdDir = config.readBoolEntry( "BackupUseDefaultDir" );
QString bupDir = config.readEntry( "BackupDatadir" );
QDate reference ( 2000,1,1 );
int daysTo = reference.daysTo ( QDate::currentDate() );
bool saveDate = false;
if ( daysTo - d_count >= mLastBackupDate ) {
qDebug("KA: Last backup was %d days ago ", daysTo - mLastBackupDate );
if ( stdDir )
bupDir = KGlobalSettings::backupDataDir();
int retval = KApplication::createBackup( filename, bupDir, num );
if ( retval == 0 ) {
qDebug("KO: Backup cancelled. Will try again tomorrow ");
// retval == 0 : backup skipped for today, try again tomorrow
mLastBackupDate = daysTo - d_count+1;
saveDate = true;
} else if ( retval == 1 ){
qDebug("KO: Backup created.");
// backup ok
mLastBackupDate = daysTo;
saveDate = true;
} else if ( retval == 2 ){
qDebug("KO: Backup globally cancelled.");
// backup globally cancelled
b_enabled = false;
}
if ( !b_enabled ) {
config.writeEntry( "mBackupEnabled", false );
}
if ( saveDate ) {
configGlobal.writeEntry( "LastBackupDate-"+ fileInfo.fileName (), mLastBackupDate );
}
}
}
if (QFile::exists(filename)) {
/* Move the existing file to some tmp file.
* When saving file succeeds, delete tmp file. Otherwise
* move tmp file back. See below.
*/
Randomizer *rnd = Randomizer::obj();
char rnd_buf[5];
sprintf(rnd_buf, "%X%X%X%X", rnd->genRndChar() & 0xFF, rnd->genRndChar() & 0xFF,
rnd->genRndChar() & 0xFF, rnd->genRndChar() & 0xFF);
tmpFileMoved = filename + "." + rnd_buf + ".mv";
if (!copyFile(filename, tmpFileMoved))
return e_openFile;
if (!QFile::remove(filename)) {
printWarn(string("removing orig file ")
+ filename.latin1()
+ " failed!");
}
}
f.setName(filename);
if (!f.open(IO_ReadWrite)) {
ret = e_openFile;
goto out_moveback;
}
e = writeFileHeader(hashAlgo, hashAlgo,
cryptAlgo, compress,
&currentPw, &f);
if (e == e_hashNotImpl) {
printDebug("PwMDoc::saveDoc(): writeFileHeader() failed: e_hashNotImpl");
f.close();
ret = e_hashNotImpl;
goto out_moveback;
} else if (e != e_success) {
printDebug("PwMDoc::saveDoc(): writeFileHeader() failed");
f.close();
ret = e_writeHeader;
goto out_moveback;
}
if (!serializeDta(&serialized)) {
printDebug("PwMDoc::saveDoc(): serializeDta() failed");
f.close();
ret = e_serializeDta;
goto out_moveback;
}
e = writeDataHash(hashAlgo, &serialized, &f);
if (e == e_hashNotImpl) {
printDebug("PwMDoc::saveDoc(): writeDataHash() failed: e_hashNotImpl");
f.close();
ret = e_hashNotImpl;
goto out_moveback;
} else if (e != e_success) {
printDebug("PwMDoc::saveDoc(): writeDataHash() failed");
f.close();
ret = e_writeHeader;
goto out_moveback;
}
if (!compressDta(&serialized, compress)) {
printDebug("PwMDoc::saveDoc(): compressDta() failed");
f.close();
ret = e_enc;
goto out_moveback;
}
e = encrypt(&serialized, &currentPw, &f, cryptAlgo, hashAlgo);
if (e == e_weakPw) {
printDebug("PwMDoc::saveDoc(): encrypt() failed: e_weakPw");
f.close();
ret = e_weakPw;
goto out_moveback;
} else if (e == e_cryptNotImpl) {
printDebug("PwMDoc::saveDoc(): encrypt() failed: e_cryptNotImpl");
f.close();
ret = e_cryptNotImpl;
goto out_moveback;
} else if (e != e_success) {
printDebug("PwMDoc::saveDoc(): encrypt() failed");
f.close();
ret = e_enc;
goto out_moveback;
}
unsetDocStatFlag(DOC_STAT_DISK_DIRTY);
f.close();
#ifndef _WIN32_
if (chmod(filename.latin1(),
conf()->confGlobFilePermissions())) {
printWarn(string("chmod failed: ") + strerror(errno));
}
#endif
openDocList.edit(this, getTitle().latin1());
if (wasDeepLocked) {
/* Do _not_ save the data with the deepLock()
* call, because this will recurse
* into saveDoc()
*/
deepLock(true, false);
/* We don't check return value here, because
* it won't fail. See NOTE in deepLock()
*/
}
if (tmpFileMoved != QString::null) {
// now remove the moved file.
if (!QFile::remove(tmpFileMoved)) {
printWarn(string("removing file ")
+ tmpFileMoved.latin1()
+ " failed!");
}
}
ret = e_success;
printDebug(string("writing file { name: ")
+ filename.latin1() + " compress: "
+ tostr(static_cast<int>(compress)) + " cryptAlgo: "
+ tostr(static_cast<int>(cryptAlgo)) + " hashAlgo: "
+ tostr(static_cast<int>(hashAlgo))
+ " }");
goto out;
out_moveback:
if (tmpFileMoved != QString::null) {
if (copyFile(tmpFileMoved, filename)) {
if (!QFile::remove(tmpFileMoved)) {
printWarn(string("removing tmp file ")
+ filename.latin1()
+ " failed!");
}
} else {
printWarn(string("couldn't copy file ")
+ tmpFileMoved.latin1()
+ " back to "
+ filename.latin1());
}
}
out:
return ret;
}
PwMerror PwMDoc::openDoc(const QString *file, int openLocked)
{
PWM_ASSERT(file);
PWM_ASSERT(openLocked == 0 || openLocked == 1 || openLocked == 2);
string decrypted, dataHash;
PwMerror ret;
char cryptAlgo, dataHashType, compress;
unsigned int headerLen;
if (*file == "")
return e_readFile;
filename = *file;
/* check if this file is already open.
* This does not catch symlinks!
*/
if (!isDeepLocked()) {
if (getOpenDocList()->find(filename.latin1()))
return e_alreadyOpen;
}
QFile f(filename);
if (openLocked == 2) {
// open deep-locked
if (!QFile::exists(filename))
return e_openFile;
if (deepLock(true, false) != e_success)
return e_openFile;
goto out_success;
}
if (!f.open(IO_ReadOnly))
return e_openFile;
ret = checkHeader(&cryptAlgo, &currentPw, &compress, &headerLen,
&dataHashType, &dataHash, &f);
if (ret != e_success) {
printDebug("PwMDoc::openDoc(): checkHeader() failed");
f.close();
if (ret == e_wrongPw) {
wrongMpwMsgBox(getDocStatFlag(DOC_STAT_USE_CHIPCARD));
return ret;
} else if (ret == e_noPw ||
ret == e_fileVer ||
ret == e_fileFormat ||
ret == e_hashNotImpl) {
return ret;
} else
return e_readFile;
}
ret = decrypt(&decrypted, headerLen, &currentPw, cryptAlgo, dataHashType, &f);
if (ret == e_cryptNotImpl) {
printDebug("PwMDoc::openDoc(): decrypt() failed: e_cryptNotImpl");
f.close();
return e_cryptNotImpl;
} else if (ret != e_success) {
printDebug("PwMDoc::openDoc(): decrypt() failed");
f.close();
return e_readFile;
}
if (!decompressDta(&decrypted, compress)) {
printDebug("PwMDoc::openDoc(): decompressDta() failed");
f.close();
return e_fileCorrupt;
}
ret = checkDataHash(dataHashType, &dataHash, &decrypted);
if (ret == e_hashNotImpl) {
printDebug("PwMDoc::openDoc(): checkDataHash() failed: e_hashNotImpl");
f.close();
return e_hashNotImpl;
} else if (ret != e_success) {
printDebug("PwMDoc::openDoc(): checkDataHash() failed");
f.close();
return e_fileCorrupt;
}
if (!deSerializeDta(&decrypted, openLocked == 1)) {
printDebug("PwMDoc::openDoc(): deSerializeDta() failed");
f.close();
return e_readFile;
}
f.close();
timer()->start(DocTimer::id_mpwTimer);
timer()->start(DocTimer::id_autoLockTimer);
out_success:
openDocList.edit(this, getTitle().latin1());
emit docOpened(this);
return e_success;
}
PwMerror PwMDoc::writeFileHeader(char keyHash, char dataHash, char crypt, char compress,
QString *pw, QFile *f)
{
PWM_ASSERT(pw);
PWM_ASSERT(f);
//US ENH: or maybe a bug: checking here for listView does not make sense because we do not check anywhere else
//Wenn I sync, I open a doc without a view => listView is 0 => Assertion
//US PWM_ASSERT(listView);
if (f->writeBlock(FILE_ID_HEADER, strlen(FILE_ID_HEADER)) !=
static_cast<Q_LONG>(strlen(FILE_ID_HEADER))) {
return e_writeFile;
}
if (f->putch(PWM_FILE_VER) == -1 ||
f->putch(keyHash) == -1 ||
f->putch(dataHash) == -1 ||
f->putch(crypt) == -1 ||
f->putch(compress) == -1 ||
f->putch((getDocStatFlag(DOC_STAT_USE_CHIPCARD)) ?
(static_cast<char>(0x01)) : (static_cast<char>(0x00))) == -1) {
return e_writeFile;
}
// write bytes of NUL-data. These bytes are reserved for future-use.
const int bufSize = 64;
char tmp_buf[bufSize];
memset(tmp_buf, 0x00, bufSize);
if (f->writeBlock(tmp_buf, bufSize) != bufSize)
return e_writeFile;
switch (keyHash) {
case PWM_HASH_SHA1: {
const int hashlen = SHA1_HASH_LEN_BYTE;
Sha1 hash;
hash.sha1_write(reinterpret_cast<const byte *>(pw->latin1()), pw->length());
string ret = hash.sha1_read();
if (f->writeBlock(ret.c_str(), hashlen) != hashlen)
return e_writeFile;
break;
}
case PWM_HASH_SHA256:
/*... fall through */
case PWM_HASH_SHA384:
case PWM_HASH_SHA512:
case PWM_HASH_MD5:
case PWM_HASH_RMD160:
case PWM_HASH_TIGER:
{
if (!LibGCryptIf::available())
return e_hashNotImpl;
LibGCryptIf gc;
PwMerror err;
unsigned char *buf;
size_t hashLen;
err = gc.hash(&buf,
&hashLen,
reinterpret_cast<const unsigned char *>(pw->latin1()),
pw->length(),
keyHash);
if (err != e_success)
return e_hashNotImpl;
if (f->writeBlock(reinterpret_cast<const char *>(buf), hashLen)
!= static_cast<Q_LONG>(hashLen)) {
delete [] buf;
return e_hashNotImpl;
}
delete [] buf;
break;
}
default: {
return e_hashNotImpl;
} }
return e_success;
}
PwMerror PwMDoc::checkHeader(char *cryptAlgo, QString *pw, char *compress,
unsigned int *headerLength, char *dataHashType,
string *dataHash, QFile *f)
{
PWM_ASSERT(cryptAlgo);
PWM_ASSERT(pw);
PWM_ASSERT(headerLength);
PWM_ASSERT(dataHashType);
PWM_ASSERT(dataHash);
PWM_ASSERT(f);
int tmpRet;
// check "magic" header
const char magicHdr[] = FILE_ID_HEADER;
const int hdrLen = array_size(magicHdr) - 1;
char tmp[hdrLen];
if (f->readBlock(tmp, hdrLen) != hdrLen)
return e_readFile;
if (memcmp(tmp, magicHdr, hdrLen) != 0)
return e_fileFormat;
// read and check file ver
int fileV = f->getch();
if (fileV == -1)
return e_fileFormat;
if (fileV != PWM_FILE_VER)
return e_fileVer;
// read hash hash type
int keyHash = f->getch();
if (keyHash == -1)
return e_fileFormat;
// read data hash type
tmpRet = f->getch();
if (tmpRet == -1)
return e_fileFormat;
*dataHashType = tmpRet;
// read crypt algo
tmpRet = f->getch();
if (tmpRet == -1)
return e_fileFormat;
*cryptAlgo = tmpRet;
// get compression-algo
tmpRet = f->getch();
if (tmpRet == -1)
return e_fileFormat;
*compress = tmpRet;
// get the MPW-flag
int mpw_flag = f->getch();
if (mpw_flag == -1)
return e_fileFormat;
if (mpw_flag == 0x01)
setDocStatFlag(DOC_STAT_USE_CHIPCARD);
else
unsetDocStatFlag(DOC_STAT_USE_CHIPCARD);
// skip the "RESERVED"-bytes
if (!(f->at(f->at() + 64)))
return e_fileFormat;