/*
 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 (_("Change Volume Password and Keyfiles"));
			break;

		case Mode::ChangeKeyfiles:
			enableNewKeyfiles = true;
			SetTitle (_("Add/Remove Keyfiles to/from Volume"));
			break;

		case Mode::RemoveAllKeyfiles:
			SetTitle (_("Remove All Keyfiles from Volume"));
			break;

		case Mode::ChangePkcs5Prf:
			enablePkcs5Prf = true;
			SetTitle (_("Change Header Key Derivation Algorithm"));
			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->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);
		}

	}
}
seudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */</style><div class="highlight"><pre><span></span><span class="cm">/*</span>
<span class="cm"> Legal Notice: Some portions of the source code contained in this file were</span>
<span class="cm"> derived from the source code of TrueCrypt 7.1a, which is </span>
<span class="cm"> Copyright (c) 2003-2012 TrueCrypt Developers Association and which is </span>
<span class="cm"> governed by the TrueCrypt License 3.0, also from the source code of</span>
<span class="cm"> Encryption for the Masses 2.02a, which is Copyright (c) 1998-2000 Paul Le Roux</span>
<span class="cm"> and which is governed by the &#39;License Agreement for Encryption for the Masses&#39; </span>
<span class="cm"> Modifications and additions to the original source code (contained in this file) </span>
<span class="cm"> and all other portions of this file are Copyright (c) 2013-2016 IDRIX</span>
<span class="cm"> and are governed by the Apache License 2.0 the full text of which is</span>
<span class="cm"> contained in the file License.txt included in VeraCrypt binary and source</span>
<span class="cm"> code distribution packages. */</span>

<span class="cp">#ifdef __cplusplus</span>
<span class="k">extern</span> <span class="s">&quot;C&quot;</span> <span class="p">{</span>
<span class="cp">#endif</span>

<span class="cp">#ifndef PBM_SETSTATE</span>

<span class="cp">#define PBM_SETSTATE            (WM_USER+16) </span><span class="c1">// wParam = PBST_[State] (NORMAL, ERROR, PAUSED)</span>
<span class="cp">#define PBST_NORMAL             0x0001</span>
<span class="cp">#define PBST_ERROR              0x0002</span>
<span class="cp">#define PBST_PAUSED             0x0003</span>

<span class="cp">#endif</span>

<span class="kt">void</span> <span class="n">InitProgressBar</span> <span class="p">(</span><span class="kr">__int64</span> <span class="n">totalBytes</span><span class="p">,</span> <span class="kr">__int64</span> <span class="n">bytesDone</span><span class="p">,</span> <span class="n">BOOL</span> <span class="n">bReverse</span><span class="p">,</span> <span class="n">BOOL</span> <span class="n">bIOThroughput</span><span class="p">,</span> <span class="n">BOOL</span> <span class="n">bDisplayStatus</span><span class="p">,</span> <span class="n">BOOL</span> <span class="n">bShowPercent</span><span class="p">);</span>
<span class="n">BOOL</span> <span class="nf">UpdateProgressBar</span> <span class="p">(</span><span class="kr">__int64</span> <span class="n">byteOffset</span><span class="p">);</span>
<span class="n">BOOL</span> <span class="nf">UpdateProgressBarProc</span> <span class="p">(</span><span class="kr">__int64</span> <span class="n">byteOffset</span><span class="p">);</span>

<span class="cp">#ifdef __cplusplus</span>
<span class="p">}</span>
<span class="cp">#endif</span>
</pre></div>