VeraCrypt/src/Main/Forms/ChangePasswordDialog.cpp

299 lines
8.7 KiB
C++

/*
Derived from source code of TrueCrypt 7.1a, which is
Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
by the TrueCrypt License 3.0.
Modifications and additions to the original source code (contained in this file)
and all other portions of this file are Copyright (c) 2013-2017 IDRIX
and are governed by the Apache License 2.0 the full text of which is
contained in the file License.txt included in VeraCrypt binary and source
code distribution packages.
*/
#include "System.h"
#include "Main/Main.h"
#include "Main/GraphicUserInterface.h"
#include "ChangePasswordDialog.h"
#include "WaitDialog.h"
namespace VeraCrypt
{
#ifdef TC_MACOSX
bool ChangePasswordDialog::ProcessEvent(wxEvent& event)
{
if(GraphicUserInterface::HandlePasswordEntryCustomEvent (event))
return true;
else
return ChangePasswordDialogBase::ProcessEvent(event);
}
#endif
ChangePasswordDialog::ChangePasswordDialog (wxWindow* parent, shared_ptr <VolumePath> volumePath, Mode::Enum mode, shared_ptr <VolumePassword> password, shared_ptr <KeyfileList> keyfiles, shared_ptr <VolumePassword> newPassword, shared_ptr <KeyfileList> newKeyfiles)
: ChangePasswordDialogBase (parent), DialogMode (mode), Path (volumePath)
{
bool enableNewPassword = false;
bool enableNewKeyfiles = false;
bool enablePkcs5Prf = false;
bool isTrueCryptFile = false;
if (volumePath && volumePath->HasTrueCryptExtension ())
{
isTrueCryptFile = true;
}
switch (mode)
{
case Mode::ChangePasswordAndKeyfiles:
enableNewPassword = true;
enableNewKeyfiles = true;
enablePkcs5Prf = true;
SetTitle (LangString["IDD_PASSWORDCHANGE_DLG"]);
break;
case Mode::ChangeKeyfiles:
enableNewKeyfiles = true;
SetTitle (LangString["IDD_PCDM_ADD_REMOVE_VOL_KEYFILES"]);
break;
case Mode::RemoveAllKeyfiles:
SetTitle (LangString["IDD_PCDM_REMOVE_ALL_KEYFILES_FROM_VOL"]);
break;
case Mode::ChangePkcs5Prf:
enablePkcs5Prf = true;
SetTitle (LangString["IDD_PCDM_CHANGE_PKCS5_PRF"]);
break;
default:
throw ParameterIncorrect (SRC_POS);
}
#ifdef TC_MACOSX
GraphicUserInterface::InstallPasswordEntryCustomKeyboardShortcuts (this);
#endif
CurrentPasswordPanel = new VolumePasswordPanel (this, NULL, password, false, keyfiles, false, true, true, false, true, true);
CurrentPasswordPanel->UpdateEvent.Connect (EventConnector <ChangePasswordDialog> (this, &ChangePasswordDialog::OnPasswordPanelUpdate));
CurrentPasswordPanel->SetTrueCryptMode (isTrueCryptFile);
CurrentPasswordPanelSizer->Add (CurrentPasswordPanel, 1, wxALL | wxEXPAND);
NewPasswordPanel = new VolumePasswordPanel (this, NULL, newPassword, true, newKeyfiles, false, enableNewPassword, enableNewKeyfiles, enableNewPassword, enablePkcs5Prf);
NewPasswordPanel->UpdateEvent.Connect (EventConnector <ChangePasswordDialog> (this, &ChangePasswordDialog::OnPasswordPanelUpdate));
NewPasswordPanelSizer->Add (NewPasswordPanel, 1, wxALL | wxEXPAND);
if (mode == Mode::RemoveAllKeyfiles)
NewSizer->Show (false);
Layout();
Fit();
Center();
OnPasswordPanelUpdate();
CurrentPasswordPanel->SetFocusToPasswordTextCtrl();
}
ChangePasswordDialog::~ChangePasswordDialog ()
{
CurrentPasswordPanel->UpdateEvent.Disconnect (this);
NewPasswordPanel->UpdateEvent.Disconnect (this);
}
void ChangePasswordDialog::OnOKButtonClick (wxCommandEvent& event)
{
// Avoid a GTK bug
if (!OKButton->IsEnabled())
return;
try
{
bool bUnsupportedKdf = false;
shared_ptr <Pkcs5Kdf> currentKdf = CurrentPasswordPanel->GetPkcs5Kdf(bUnsupportedKdf);
if (bUnsupportedKdf)
{
Gui->ShowWarning (LangString ["ALGO_NOT_SUPPORTED_FOR_TRUECRYPT_MODE"]);
return;
}
int currentPim = CurrentPasswordPanel->GetVolumePim();
if (-1 == currentPim)
{
CurrentPasswordPanel->SetFocusToPimTextCtrl();
return;
}
shared_ptr <VolumePassword> newPassword;
int newPim = 0;
if (DialogMode == Mode::ChangePasswordAndKeyfiles)
{
try
{
newPassword = NewPasswordPanel->GetPassword();
}
catch (PasswordException& e)
{
Gui->ShowWarning (e);
NewPasswordPanel->SetFocusToPasswordTextCtrl();
return;
}
newPim = NewPasswordPanel->GetVolumePim();
if (-1 == newPim)
{
NewPasswordPanel->SetFocusToPimTextCtrl();
return;
}
if (newPassword->Size() > 0)
{
if (newPassword->Size() < VolumePassword::WarningSizeThreshold)
{
if (newPim > 0 && newPim < 485)
{
Gui->ShowError ("PIM_REQUIRE_LONG_PASSWORD");
return;
}
if (!Gui->AskYesNo (LangString ["PASSWORD_LENGTH_WARNING"], false, true))
{
NewPasswordPanel->SetFocusToPasswordTextCtrl();
return;
}
}
else if (newPim > 0 && newPim < 485)
{
if (!Gui->AskYesNo (LangString ["PIM_SMALL_WARNING"], false, true))
{
NewPasswordPanel->SetFocusToPimTextCtrl();
return;
}
}
}
}
else
{
newPassword = CurrentPasswordPanel->GetPassword();
newPim = CurrentPasswordPanel->GetVolumePim();
}
shared_ptr <KeyfileList> newKeyfiles;
if (DialogMode == Mode::ChangePasswordAndKeyfiles || DialogMode == Mode::ChangeKeyfiles)
newKeyfiles = NewPasswordPanel->GetKeyfiles();
else if (DialogMode != Mode::RemoveAllKeyfiles)
newKeyfiles = CurrentPasswordPanel->GetKeyfiles();
/* force the display of the random enriching interface */
RandomNumberGenerator::SetEnrichedByUserStatus (false);
Gui->UserEnrichRandomPool (this, NewPasswordPanel->GetPkcs5Kdf(bUnsupportedKdf) ? NewPasswordPanel->GetPkcs5Kdf(bUnsupportedKdf)->GetHash() : shared_ptr <Hash>());
{
#ifdef TC_UNIX
// Temporarily take ownership of a device if the user is not an administrator
UserId origDeviceOwner ((uid_t) -1);
if (!Core->HasAdminPrivileges() && Path->IsDevice())
{
origDeviceOwner = FilesystemPath (wstring (*Path)).GetOwner();
Core->SetFileOwner (*Path, UserId (getuid()));
}
finally_do_arg2 (FilesystemPath, *Path, UserId, origDeviceOwner,
{
if (finally_arg2.SystemId != (uid_t) -1)
Core->SetFileOwner (finally_arg, finally_arg2);
});
#endif
wxBusyCursor busy;
ChangePasswordThreadRoutine routine(Path, Gui->GetPreferences().DefaultMountOptions.PreserveTimestamps,
CurrentPasswordPanel->GetPassword(), CurrentPasswordPanel->GetVolumePim(), CurrentPasswordPanel->GetPkcs5Kdf(bUnsupportedKdf), CurrentPasswordPanel->GetTrueCryptMode(),CurrentPasswordPanel->GetKeyfiles(),
newPassword, newPim, newKeyfiles, NewPasswordPanel->GetPkcs5Kdf(bUnsupportedKdf), NewPasswordPanel->GetHeaderWipeCount(), Gui->GetPreferences().EMVSupportEnabled);
Gui->ExecuteWaitThreadRoutine (this, &routine);
}
switch (DialogMode)
{
case Mode::ChangePasswordAndKeyfiles:
Gui->ShowInfo ("PASSWORD_CHANGED");
break;
case Mode::ChangeKeyfiles:
case Mode::RemoveAllKeyfiles:
Gui->ShowInfo ("KEYFILE_CHANGED");
break;
case Mode::ChangePkcs5Prf:
Gui->ShowInfo ("PKCS5_PRF_CHANGED");
break;
default:
throw ParameterIncorrect (SRC_POS);
}
EndModal (wxID_OK);
}
catch (UnportablePassword &e)
{
Gui->ShowError (e);
NewPasswordPanel->SetFocusToPasswordTextCtrl();
}
catch (PasswordException &e)
{
Gui->ShowWarning (e);
CurrentPasswordPanel->SetFocusToPasswordTextCtrl();
}
catch (exception &e)
{
Gui->ShowError (e);
}
}
void ChangePasswordDialog::OnPasswordPanelUpdate ()
{
bool ok = true;
try
{
bool passwordEmpty = CurrentPasswordPanel->GetPassword()->IsEmpty();
bool keyfilesEmpty = !CurrentPasswordPanel->GetKeyfiles() || CurrentPasswordPanel->GetKeyfiles()->empty();
if (passwordEmpty && keyfilesEmpty)
ok = false;
if (CurrentPasswordPanel->GetVolumePim () == -1)
ok = false;
if (DialogMode == Mode::RemoveAllKeyfiles && (passwordEmpty || keyfilesEmpty))
ok = false;
if (DialogMode == Mode::ChangePasswordAndKeyfiles || DialogMode == Mode::ChangeKeyfiles)
{
bool newKeyfilesEmpty = !NewPasswordPanel->GetKeyfiles() || NewPasswordPanel->GetKeyfiles()->empty();
if (DialogMode == Mode::ChangeKeyfiles
&& ((passwordEmpty && newKeyfilesEmpty) || (keyfilesEmpty && newKeyfilesEmpty)))
ok = false;
if (DialogMode == Mode::ChangePasswordAndKeyfiles
&& ( (NewPasswordPanel->GetPassword()->IsEmpty() && newKeyfilesEmpty)
|| !NewPasswordPanel->PasswordsMatch()
|| (NewPasswordPanel->GetVolumePim() == -1)
)
)
ok = false;
}
}
catch (PasswordException&)
{
ok = false;
}
OKButton->Enable (ok);
if (DialogMode == Mode::ChangePasswordAndKeyfiles)
{
bool pimChanged = (CurrentPasswordPanel->GetVolumePim() != NewPasswordPanel->GetVolumePim());
NewPasswordPanel->UpdatePimHelpText(pimChanged);
}
}
}