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cmarcum pushed a commit to branch AOO42X
in repository https://gitbox.apache.org/repos/asf/openoffice.git
The following commit(s) were added to refs/heads/AOO42X by this push:
new b75105cab3 fix the encoding of the master password and generate IV's
for stored passwords. Patch-By: Arrigo Marchiori (ardovm).
b75105cab3 is described below
commit b75105cab3424c04b03e9e5e524839a19c367bf7
Author: cbmarcum <[email protected]>
AuthorDate: Fri Jun 24 12:12:54 2022 -0400
fix the encoding of the master password and generate IV's for stored
passwords.
Patch-By: Arrigo Marchiori (ardovm).
---
main/svl/source/inc/passwordcontainer.hxx | 37 ++++-
.../source/passwordcontainer/passwordcontainer.cxx | 178 +++++++++++++++------
2 files changed, 163 insertions(+), 52 deletions(-)
diff --git a/main/svl/source/inc/passwordcontainer.hxx
b/main/svl/source/inc/passwordcontainer.hxx
index 5136b60f4f..871cad23ce 100644
--- a/main/svl/source/inc/passwordcontainer.hxx
+++ b/main/svl/source/inc/passwordcontainer.hxx
@@ -249,6 +249,8 @@ private:
StorageItem* m_pStorageFile;
::osl::Mutex mMutex;
::rtl::OUString m_aMasterPasswd; // master password is set when the string
is not empty
+ /// True if we detected the older password encoding (pre-4.1.13)
+ bool mOldPasswordEncoding;
::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >
mComponent;
SysCredentialsConfig mUrlContainer;
@@ -268,7 +270,7 @@ private:
const
::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionHandler
>& Handler )
throw(::com::sun::star::uno::RuntimeException);
bool createUrlRecord(
- const PassMap::iterator & rIter,
+ const PairUrlRecord & rPair,
bool bName,
const ::rtl::OUString & aName,
const ::com::sun::star::uno::Reference<
::com::sun::star::task::XInteractionHandler >& aHandler,
@@ -300,12 +302,39 @@ bool createUrlRecord(
const ::com::sun::star::uno::Reference<
::com::sun::star::task::XInteractionHandler >& Handler )
throw(::com::sun::star::uno::RuntimeException);
- ::std::vector< ::rtl::OUString > DecodePasswords( const ::rtl::OUString&
aLine, const ::rtl::OUString& aMasterPassword )
+ /** Decode passwords on a line with the given master password.
+ *
+ * @param aName name for the passwords. It can be a user name, for example.
+ * @param aLine line with passwords to decode.
+ * @param aMasterPassword master password to use.
+ *
+ * The encoding is selected by mOldPasswordEncoding.
+ *
+ * @return the decoded passwords.
+ */
+ ::std::vector< ::rtl::OUString > DecodePasswords( const ::rtl::OUString&
aName, const ::rtl::OUString& aLine, const ::rtl::OUString& aMasterPassword )
throw(::com::sun::star::uno::RuntimeException);
- ::rtl::OUString EncodePasswords( ::std::vector< ::rtl::OUString > lines,
const ::rtl::OUString& aMasterPassword )
+ /** Encode passwords on a line with the given master password.
+ *
+ * @param aName name for the passwords. It can be a user name, for example.
+ * @param lines lines with passwords to decode.
+ * @param aMasterPassword master password to use.
+ *
+ * The encoding is selected by mOldPasswordEncoding.
+ *
+ * @return the decoded passwords.
+ */
+ ::rtl::OUString EncodePasswords( const ::rtl::OUString& aName,
::std::vector< ::rtl::OUString > lines, const ::rtl::OUString& aMasterPassword )
throw(::com::sun::star::uno::RuntimeException);
-
+
+ /** Actually change the master password, re-encoding all stored passwords.
+ *
+ * @param apass new password to set.
+ *
+ * Updates m_aMasterPasswd.
+ */
+ void doChangeMasterPassword(const ::rtl::OUString& aPass);
public:
PasswordContainer( const ::com::sun::star::uno::Reference<
::com::sun::star::lang::XMultiServiceFactory >& );
~PasswordContainer();
diff --git a/main/svl/source/passwordcontainer/passwordcontainer.cxx
b/main/svl/source/passwordcontainer/passwordcontainer.cxx
index 572879de40..ff7f3da14a 100644
--- a/main/svl/source/passwordcontainer/passwordcontainer.cxx
+++ b/main/svl/source/passwordcontainer/passwordcontainer.cxx
@@ -427,7 +427,7 @@ void StorageItem::Commit()
//-------------------------------------------------------------------------
PasswordContainer::PasswordContainer( const Reference<XMultiServiceFactory>&
xServiceFactory ):
- m_pStorageFile( NULL )
+ m_pStorageFile( NULL ), mOldPasswordEncoding(false)
{
// m_pStorageFile->Notify() can be called
::osl::MutexGuard aGuard( mMutex );
@@ -481,7 +481,50 @@ void SAL_CALL PasswordContainer::disposing( const
EventObject& ) throw(RuntimeEx
//-------------------------------------------------------------------------
-vector< ::rtl::OUString > PasswordContainer::DecodePasswords( const
::rtl::OUString& aLine, const ::rtl::OUString& aMasterPasswd )
throw(RuntimeException)
+/**
+ * @brief Decode a master password.
+ *
+ * @param aMasterPassword master password to decode.
+ * It must contain RTL_DIGEST_LENGTH_MD5 * 2 characters.
+ * @param code buffer to hold the decoded password.
+ * It must contain RTL_DIGEST_LENGTH_MD5 characters.
+ * @param oldEncoding use the encoding pre-AOO-4.1.12 if true
+ */
+static void decodeMasterPassword(const ::rtl::OUString& aMasterPasswd,
+ unsigned char *code, bool oldEncoding)
+{
+ OSL_ENSURE( aMasterPasswd.getLength() == RTL_DIGEST_LENGTH_MD5 * 2, "Wrong
master password format!\n" );
+ const sal_Unicode *aMasterBuf = aMasterPasswd.getStr();
+ for( int ind = 0; ind < RTL_DIGEST_LENGTH_MD5; ind++ ) {
+ if (!oldEncoding) {
+ code[ ind ] = (char)((((aMasterBuf[ind * 2] - 'a') & 15) << 4) |
+ ((aMasterBuf[ind * 2 + 1] - 'a') & 15));
+ } else {
+ code[ ind ] = (char)(aMasterPasswd.copy( ind*2, 2 ).toInt32(16));
+ }
+ }
+}
+
+//-------------------------------------------------------------------------
+
+/** Prepare the IV.
+ *
+ * @param iv vector to prepare. Its contents are destroyed.
+ * @param masterPasswdCode master password as output from decodeMasterPassword.
+ * @param name name of the password to decrypt.
+ */
+static void prepareIV(std::vector<sal_uInt8>& iv, const unsigned char
*masterPasswordCode, const ::rtl::OUString &aName) {
+ std::vector<sal_uInt8> ivSource;
+ ivSource.assign(masterPasswordCode, masterPasswordCode +
RTL_DIGEST_LENGTH_MD5);
+ ::rtl::OString encodedName = ::rtl::OUStringToOString(aName,
RTL_TEXTENCODING_UTF8 );
+ ivSource.insert(ivSource.end(), encodedName.getStr(), encodedName.getStr()
+ encodedName.getLength());
+ iv.resize(RTL_DIGEST_LENGTH_MD5);
+ rtl_digest_MD5(&ivSource[0], ivSource.size(),
+ &iv[0], iv.size());
+}
+
+//-------------------------------------------------------------------------
+vector< ::rtl::OUString > PasswordContainer::DecodePasswords(const
::rtl::OUString& aName, const ::rtl::OUString& aLine, const ::rtl::OUString&
aMasterPasswd ) throw(RuntimeException)
{
if( aMasterPasswd.getLength() )
{
@@ -490,16 +533,17 @@ vector< ::rtl::OUString >
PasswordContainer::DecodePasswords( const ::rtl::OUStr
if( aDecoder )
{
- OSL_ENSURE( aMasterPasswd.getLength() == RTL_DIGEST_LENGTH_MD5 *
2, "Wrong master password format!\n" );
-
+ std::vector<sal_uInt8> iv;
unsigned char code[RTL_DIGEST_LENGTH_MD5];
- for( int ind = 0; ind < RTL_DIGEST_LENGTH_MD5; ind++ )
- code[ ind ] = (char)(aMasterPasswd.copy( ind*2, 2
).toInt32(16));
+ decodeMasterPassword(aMasterPasswd, code, mOldPasswordEncoding);
+ if (!mOldPasswordEncoding) {
+ prepareIV(iv, code, aName);
+ }
rtlCipherError result = rtl_cipher_init (
aDecoder, rtl_Cipher_DirectionDecode,
- code, RTL_DIGEST_LENGTH_MD5, NULL, 0 );
-
+ code, RTL_DIGEST_LENGTH_MD5, (iv.size()? &iv[0] : NULL),
+ iv.size() );
if( result == rtl_Cipher_E_None )
{
::rtl::ByteSequence aSeq = getBufFromAsciiLine( aLine );
@@ -533,7 +577,7 @@ vector< ::rtl::OUString >
PasswordContainer::DecodePasswords( const ::rtl::OUStr
//-------------------------------------------------------------------------
-::rtl::OUString PasswordContainer::EncodePasswords( vector< ::rtl::OUString >
lines, const ::rtl::OUString& aMasterPasswd ) throw(RuntimeException)
+::rtl::OUString PasswordContainer::EncodePasswords( const ::rtl::OUString&
aName, vector< ::rtl::OUString > lines, const ::rtl::OUString& aMasterPasswd )
throw(RuntimeException)
{
if( aMasterPasswd.getLength() )
{
@@ -544,15 +588,17 @@ vector< ::rtl::OUString >
PasswordContainer::DecodePasswords( const ::rtl::OUStr
if( aEncoder )
{
- OSL_ENSURE( aMasterPasswd.getLength() == RTL_DIGEST_LENGTH_MD5 *
2, "Wrong master password format!\n" );
-
+ std::vector<sal_uInt8> iv;
unsigned char code[RTL_DIGEST_LENGTH_MD5];
- for( int ind = 0; ind < RTL_DIGEST_LENGTH_MD5; ind++ )
- code[ ind ] = (char)(aMasterPasswd.copy( ind*2, 2
).toInt32(16));
+ decodeMasterPassword(aMasterPasswd, code, false);
+ if (!mOldPasswordEncoding) {
+ prepareIV(iv, code, aName);
+ }
rtlCipherError result = rtl_cipher_init (
aEncoder, rtl_Cipher_DirectionEncode,
- code, RTL_DIGEST_LENGTH_MD5, NULL, 0 );
+ code, RTL_DIGEST_LENGTH_MD5, (iv.size()? &iv[0] : NULL),
+ iv.size() );
if( result == rtl_Cipher_E_None )
{
@@ -612,6 +658,38 @@ vector< ::rtl::OUString >
PasswordContainer::DecodePasswords( const ::rtl::OUStr
//-------------------------------------------------------------------------
+
+/** Return the "name" to use for the master password. */
+static const ::rtl::OUString& getMasterPasswordName(void) {
+ static const ::rtl::OUString value = ::rtl::OUString::createFromAscii(
"Master" );
+ return value;
+}
+
+//-------------------------------------------------------------------------
+
+void PasswordContainer::doChangeMasterPassword(const ::rtl::OUString& aPass) {
+ // get all the persistent entries if it is possible
+ Sequence< UrlRecord > aPersistent = getAllPersistent( uno::Reference<
task::XInteractionHandler >() );
+
+ // remove the master password and the entries persistence
+ removeMasterPassword();
+
+ // store the new master password
+ m_aMasterPasswd = aPass;
+ vector< ::rtl::OUString > aMaster( 1, m_aMasterPasswd );
+ m_pStorageFile->setEncodedMP( EncodePasswords( getMasterPasswordName(),
aMaster, m_aMasterPasswd ) );
+
+ // store all the entries with the new password
+ for ( int nURLInd = 0; nURLInd < aPersistent.getLength(); nURLInd++ )
+ for ( int nNameInd = 0; nNameInd<
aPersistent[nURLInd].UserList.getLength(); nNameInd++ )
+ addPersistent( aPersistent[nURLInd].Url,
+ aPersistent[nURLInd].UserList[nNameInd].UserName,
+ aPersistent[nURLInd].UserList[nNameInd].Passwords,
+ uno::Reference< task::XInteractionHandler >() );
+}
+
+//-------------------------------------------------------------------------
+
void PasswordContainer::UpdateVector( const ::rtl::OUString& aURL, list<
NamePassRecord >& toUpdate, NamePassRecord& aRecord, sal_Bool writeFile )
throw(RuntimeException)
{
for( list< NamePassRecord >::iterator aNPIter = toUpdate.begin(); aNPIter
!= toUpdate.end(); aNPIter++ )
@@ -656,7 +734,7 @@ UserRecord PasswordContainer::CopyToUserRecord( const
NamePassRecord& aRecord, s
{
try
{
- ::std::vector< ::rtl::OUString > aDecodedPasswords =
DecodePasswords( aRecord.GetPersPasswords(), GetMasterPassword( aHandler ) );
+ ::std::vector< ::rtl::OUString > aDecodedPasswords =
DecodePasswords( aRecord.GetUserName(), aRecord.GetPersPasswords(),
GetMasterPassword( aHandler ) );
aPasswords.insert( aPasswords.end(), aDecodedPasswords.begin(),
aDecodedPasswords.end() );
}
catch( NoMasterException& )
@@ -713,7 +791,7 @@ void PasswordContainer::PrivateAdd( const ::rtl::OUString&
Url, const ::rtl::OUS
::std::vector< ::rtl::OUString > aStorePass = copySequenceToVector(
Passwords );
if( Mode == PERSISTENT_RECORD )
- aRecord.SetPersPasswords( EncodePasswords( aStorePass,
GetMasterPassword( aHandler ) ) );
+ aRecord.SetPersPasswords( EncodePasswords( aRecord.GetUserName(),
aStorePass, GetMasterPassword( aHandler ) ) );
else if( Mode == MEMORY_RECORD )
aRecord.SetMemPasswords( aStorePass );
else
@@ -781,7 +859,7 @@ Sequence< UserRecord > PasswordContainer::FindUsr( const
list< NamePassRecord >&
//-------------------------------------------------------------------------
bool PasswordContainer::createUrlRecord(
- const PassMap::iterator & rIter,
+ const PairUrlRecord & rPair,
bool bName,
const ::rtl::OUString & aName,
const Reference< XInteractionHandler >& aHandler,
@@ -791,18 +869,18 @@ bool PasswordContainer::createUrlRecord(
if ( bName )
{
Sequence< UserRecord > aUsrRec
- = FindUsr( rIter->second, aName, aHandler );
+ = FindUsr( rPair.second, aName, aHandler );
if( aUsrRec.getLength() )
{
- rRec = UrlRecord( rIter->first, aUsrRec );
+ rRec = UrlRecord( rPair.first, aUsrRec );
return true;
}
}
else
{
rRec = UrlRecord(
- rIter->first,
- CopyToUserRecordSequence( rIter->second, aHandler ) );
+ rPair.first,
+ CopyToUserRecordSequence( rPair.second, aHandler ) );
return true;
}
return false;
@@ -828,10 +906,14 @@ UrlRecord PasswordContainer::find(
{
// first look for <url>/somename and then look for
<url>/somename/...
PassMap::iterator aIter = m_aContainer.find( aUrl );
+ // Note that this iterator may be invalidated by the
+ // side-effects of createUrlRecord(), so we have to work with a
+ // copy of the pointed elements
if( aIter != m_aContainer.end() )
{
+ const PairUrlRecord rPairUrlRecord = *aIter;
UrlRecord aRec;
- if ( createUrlRecord( aIter, bName, aName, aHandler, aRec ) )
+ if ( createUrlRecord( rPairUrlRecord, bName, aName, aHandler,
aRec ) )
return aRec;
}
else
@@ -843,8 +925,9 @@ UrlRecord PasswordContainer::find(
aIter = m_aContainer.lower_bound( tmpUrl );
if( aIter != m_aContainer.end() && aIter->first.match( tmpUrl
) )
{
+ const PairUrlRecord rPairUrlRecord = *aIter;
UrlRecord aRec;
- if ( createUrlRecord( aIter, bName, aName, aHandler, aRec
) )
+ if ( createUrlRecord( rPairUrlRecord, bName, aName,
aHandler, aRec ) )
return aRec;
}
}
@@ -930,11 +1013,28 @@ UrlRecord PasswordContainer::find(
m_aMasterPasswd = aPass;
vector< ::rtl::OUString > aMaster( 1, m_aMasterPasswd
);
- m_pStorageFile->setEncodedMP( EncodePasswords(
aMaster, m_aMasterPasswd ) );
+ m_pStorageFile->setEncodedMP( EncodePasswords(
getMasterPasswordName(), aMaster, m_aMasterPasswd ) );
}
else
{
- vector< ::rtl::OUString > aRM( DecodePasswords(
aEncodedMP, aPass ) );
+ vector< ::rtl::OUString > aRM( DecodePasswords(
getMasterPasswordName(), aEncodedMP, aPass ) );
+ if( !aRM.size() || !aPass.equals( aRM[0] ) )
+ {
+ // Try the old encoding
+ mOldPasswordEncoding = true;
+ try {
+ aRM = DecodePasswords(
getMasterPasswordName(), aEncodedMP, aPass );
+ if (aRM.size() && aPass.equals(aRM[0])) {
+ // Update all passwords to the new encoding
+ m_aMasterPasswd = aPass;
+ doChangeMasterPassword(aPass);
+ }
+ mOldPasswordEncoding = false;
+ } catch (...) {
+ mOldPasswordEncoding = false;
+ throw;
+ }
+ }
if( !aRM.size() || !aPass.equals( aRM[0] ) )
{
bAskAgain = sal_True;
@@ -1061,9 +1161,6 @@ void SAL_CALL PasswordContainer::removeAllPersistent()
throw(RuntimeException)
{
// TODO/LATER: should the password be converted to
MemoryPassword?
aNPIter->RemovePasswords( PERSISTENT_RECORD );
-
- if ( m_pStorageFile )
- m_pStorageFile->remove( aIter->first,
aNPIter->GetUserName() ); // remove record ( aURL, aName )
}
if( !aNPIter->HasPasswords( MEMORY_RECORD ) )
@@ -1101,7 +1198,7 @@ Sequence< UrlRecord > SAL_CALL
PasswordContainer::getAllPersistent( const Refere
{
sal_Int32 oldLen = aUsers.getLength();
aUsers.realloc( oldLen + 1 );
- aUsers[ oldLen ] = UserRecord( aNPIter->GetUserName(),
copyVectorToSequence( DecodePasswords( aNPIter->GetPersPasswords(),
GetMasterPassword( xHandler ) ) ) );
+ aUsers[ oldLen ] = UserRecord( aNPIter->GetUserName(),
copyVectorToSequence( DecodePasswords( aNPIter->GetUserName(),
aNPIter->GetPersPasswords(), GetMasterPassword( xHandler ) ) ) );
}
if( aUsers.getLength() )
@@ -1199,25 +1296,7 @@ sal_Bool SAL_CALL
PasswordContainer::changeMasterPassword( const uno::Reference<
if ( aPass.getLength() )
{
- // get all the persistent entries if it is possible
- Sequence< UrlRecord > aPersistent = getAllPersistent(
uno::Reference< task::XInteractionHandler >() );
-
- // remove the master password and the entries persistence
- removeMasterPassword();
-
- // store the new master password
- m_aMasterPasswd = aPass;
- vector< ::rtl::OUString > aMaster( 1, m_aMasterPasswd );
- m_pStorageFile->setEncodedMP( EncodePasswords( aMaster,
m_aMasterPasswd ) );
-
- // store all the entries with the new password
- for ( int nURLInd = 0; nURLInd < aPersistent.getLength();
nURLInd++ )
- for ( int nNameInd = 0; nNameInd<
aPersistent[nURLInd].UserList.getLength(); nNameInd++ )
- addPersistent( aPersistent[nURLInd].Url,
-
aPersistent[nURLInd].UserList[nNameInd].UserName,
-
aPersistent[nURLInd].UserList[nNameInd].Passwords,
- uno::Reference<
task::XInteractionHandler >() );
-
+ doChangeMasterPassword(aPass);
bResult = sal_True;
}
}
@@ -1233,6 +1312,9 @@ void SAL_CALL PasswordContainer::removeMasterPassword()
// remove all the stored passwords and the master password
removeAllPersistent();
+ // Make sure we will not use the older encoding in the future
+ mOldPasswordEncoding = false;
+
::osl::MutexGuard aGuard( mMutex );
if ( m_pStorageFile )
{
