VeraCrypt
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path: root/src/Common/libzip/zip_fopen_encrypted.c
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/*
  zip_fopen_encrypted.c -- open file for reading with password
  Copyright (C) 1999-2019 Dieter Baron and Thomas Klausner

  This file is part of libzip, a library to manipulate ZIP archives.
  The authors can be contacted at <libzip@nih.at>

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
  are met:
  1. Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in
     the documentation and/or other materials provided with the
     distribution.
  3. The names of the authors may not be used to endorse or promote
     products derived from this software without specific prior
     written permission.

  THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/


#include "zipint.h"


ZIP_EXTERN zip_file_t *
zip_fopen_encrypted(zip_t *za, const char *fname, zip_flags_t flags, const char *password) {
    zip_int64_t idx;

    if ((idx = zip_name_locate(za, fname, flags)) < 0)
	return NULL;

    return zip_fopen_index_encrypted(za, (zip_uint64_t)idx, flags, password);
}
color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .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 */
/*
 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 "MountOptionsDialog.h"

namespace VeraCrypt
{
#ifdef TC_MACOSX

	bool MountOptionsDialog::ProcessEvent(wxEvent& event)
	{
		if(GraphicUserInterface::HandlePasswordEntryCustomEvent (event))
			return true;
		else
			return MountOptionsDialogBase::ProcessEvent(event);
	}
#endif

	MountOptionsDialog::MountOptionsDialog (wxWindow *parent, MountOptions &options, const wxString &title, bool disableMountOptions)
		: MountOptionsDialogBase (parent, wxID_ANY, wxString()
#ifdef __WXGTK__ // GTK apparently needs wxRESIZE_BORDER to support dynamic resizing
		, wxDefaultPosition, wxSize (-1,-1), wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER
#endif
		), Options (options)
	{
		if (!title.empty())
			this->SetTitle (title);
		else if (options.Path && !options.Path->IsEmpty())
			this->SetTitle (StringFormatter (LangString["ENTER_PASSWORD_FOR"], wstring (*options.Path)));
		else
			this->SetTitle (LangString["ENTER_TC_VOL_PASSWORD"]);

		if (disableMountOptions)
			OptionsButton->Show (false);
			

#ifdef TC_MACOSX
		GraphicUserInterface::InstallPasswordEntryCustomKeyboardShortcuts (this);
#endif

		PasswordPanel = new VolumePasswordPanel (this, &options, options.Password, disableMountOptions, options.Keyfiles, !disableMountOptions, true, true, false, true, true);
		PasswordPanel->SetCacheCheckBoxValidator (wxGenericValidator (&Options.CachePassword));
		
		if (options.Path && options.Path->HasTrueCryptExtension() && !disableMountOptions 
			&& !options.TrueCryptMode && (options.Pim <= 0))
		{
			PasswordPanel->SetTrueCryptMode (true);	
		}

		PasswordSizer->Add (PasswordPanel, 1, wxALL | wxEXPAND);

#ifdef __WXGTK__
		FilesystemOptionsSizer->Remove (FilesystemSpacer);
		OptionsPanel->Show (false);
		Fit();
		Layout();
		SetMinSize (GetSize());
#endif

		NoFilesystemCheckBox->SetValidator (wxGenericValidator (&Options.NoFilesystem));
		RemovableCheckBox->SetValidator (wxGenericValidator (&Options.Removable));
		PartitionInSystemEncryptionScopeCheckBox->SetValidator (wxGenericValidator (&Options.PartitionInSystemEncryptionScope));

		TransferDataToWindow();

		if (Options.MountPoint && !Options.MountPoint->IsEmpty())
			 MountPointTextCtrl->SetValue (wstring (*Options.MountPoint));

		FilesystemOptionsTextCtrl->SetValue (Options.FilesystemOptions);

		ReadOnlyCheckBox->SetValue (Options.Protection == VolumeProtection::ReadOnly);
		BackupHeaderCheckBox->SetValidator (wxGenericValidator (&Options.UseBackupHeaders));
		ProtectionCheckBox->SetValue (Options.Protection == VolumeProtection::HiddenVolumeReadOnly);

		OptionsButtonLabel = OptionsButton->GetLabel();
		OptionsButton->SetLabel (OptionsButtonLabel + L" >");
		OptionsPanel->Show (false);

		ProtectionPasswordPanel = new VolumePasswordPanel (OptionsPanel, &options, options.ProtectionPassword, true, options.ProtectionKeyfiles, false, true, true, false, true, true, _("P&assword to hidden volume:"));
		ProtectionPasswordSizer->Add (ProtectionPasswordPanel, 1, wxALL | wxEXPAND);

		UpdateDialog();
		Center();
	}

	void MountOptionsDialog::OnInitDialog (wxInitDialogEvent& event)
	{
		PasswordPanel->SetFocusToPasswordTextCtrl();
	}

	void MountOptionsDialog::OnMountPointButtonClick (wxCommandEvent& event)
	{
		DirectoryPath dir = Gui->SelectDirectory (this, wxEmptyString, false);
		if (!dir.IsEmpty())
			MountPointTextCtrl->SetValue (wstring (dir));
	}

	void MountOptionsDialog::OnOKButtonClick (wxCommandEvent& event)
	{
		bool bUnsupportedKdf = false;

		/* verify that PIM values are valid before continuing*/
		int Pim = PasswordPanel->GetVolumePim();
		int ProtectionPim = (!ReadOnlyCheckBox->IsChecked() && ProtectionCheckBox->IsChecked())?
			ProtectionPasswordPanel->GetVolumePim() : 0;

		/* invalid PIM: set focus to PIM field and stop processing */
		if (-1 == Pim || (PartitionInSystemEncryptionScopeCheckBox->IsChecked() && Pim > MAX_BOOT_PIM_VALUE))
		{
			PasswordPanel->SetFocusToPimTextCtrl();
			return;
		}

		if (-1 == ProtectionPim || (PartitionInSystemEncryptionScopeCheckBox->IsChecked() && ProtectionPim > MAX_BOOT_PIM_VALUE))
		{
			ProtectionPasswordPanel->SetFocusToPimTextCtrl();
			return;
		}

		TransferDataFromWindow();

		try
		{
			Options.Password = PasswordPanel->GetPassword(Options.PartitionInSystemEncryptionScope);
		}
		catch (PasswordException& e)
		{
			Gui->ShowWarning (e);
			return;
		}
		
		if (Options.PartitionInSystemEncryptionScope && Options.Password->Size() > VolumePassword::MaxLegacySize)
		{
			Gui->ShowWarning (StringFormatter (_("System Encryption password is longer than {0} characters."), (int) VolumePassword::MaxLegacySize));
			return;
		}
		
		Options.Pim = Pim;
		Options.Kdf = PasswordPanel->GetPkcs5Kdf(bUnsupportedKdf);
		if (bUnsupportedKdf)
		{
			Gui->ShowWarning (LangString ["ALGO_NOT_SUPPORTED_FOR_TRUECRYPT_MODE"]);
			return;
		}
		Options.TrueCryptMode = PasswordPanel->GetTrueCryptMode();
		Options.Keyfiles = PasswordPanel->GetKeyfiles();

		if (ReadOnlyCheckBox->IsChecked())
		{
			Options.Protection = VolumeProtection::ReadOnly;
		}
		else if (ProtectionCheckBox->IsChecked())
		{
			try
			{
				Options.ProtectionPassword = ProtectionPasswordPanel->GetPassword(Options.TrueCryptMode);
			}
			catch (PasswordException& e)
			{
				Gui->ShowWarning (e);
				return;
			}
			Options.Protection = VolumeProtection::HiddenVolumeReadOnly;
			Options.ProtectionPim = ProtectionPim;
			Options.ProtectionKdf = ProtectionPasswordPanel->GetPkcs5Kdf(Options.TrueCryptMode, bUnsupportedKdf);
			if (bUnsupportedKdf)
			{
				Gui->ShowWarning (LangString ["ALGO_NOT_SUPPORTED_FOR_TRUECRYPT_MODE"]);
				return;
			}
			Options.ProtectionKeyfiles = ProtectionPasswordPanel->GetKeyfiles();
		}
		else
		{
			Options.Protection = VolumeProtection::None;
		}

		wstring mountPoint (MountPointTextCtrl->GetValue());
		if (!mountPoint.empty())
			Options.MountPoint = make_shared <DirectoryPath> (mountPoint);

		Options.FilesystemOptions = FilesystemOptionsTextCtrl->GetValue();

		EndModal (wxID_OK);
	}

	void MountOptionsDialog::OnOptionsButtonClick (wxCommandEvent& event)
	{
		FreezeScope freeze (this);
		OptionsPanel->Show (!OptionsPanel->IsShown());
		UpdateDialog();
		OptionsButton->SetLabel (OptionsButtonLabel + (OptionsPanel->IsShown() ? L" <" : L" >"));
	}

	void MountOptionsDialog::OnProtectionCheckBoxClick (wxCommandEvent& event)
	{
		FreezeScope freeze (this);
		ProtectionPasswordPanel->Show (event.IsChecked());
		Fit();
		Layout();
		ProtectionPasswordPanel->SetFocusToPasswordTextCtrl();
	}

	void MountOptionsDialog::OnProtectionHyperlinkClick (wxHyperlinkEvent& event)
	{
		Gui->OpenHomepageLink (this, L"hiddenvolprotection");
	}

	void MountOptionsDialog::UpdateDialog ()
	{
		FreezeScope freeze (this);

#ifdef TC_WINDOWS
		FilesystemSizer->Show (false);
#else
		FilesystemOptionsSizer->Show (!NoFilesystemCheckBox->IsChecked());

#	ifdef TC_MACOSX
		FilesystemOptionsStaticText->Show (false);
		FilesystemOptionsTextCtrl->Show (false);
#	endif

		if (!Options.Path || Options.Path->IsEmpty())
		{
			MountPointTextCtrlStaticText->Show (false);
			MountPointTextCtrl->Show (false);
			MountPointButton->Show (false);
		}
		RemovableCheckBox->Show (false);
#endif
		ProtectionSizer->Show (!ReadOnlyCheckBox->IsChecked());
		ProtectionPasswordPanel->Show (!ReadOnlyCheckBox->IsChecked() && ProtectionCheckBox->IsChecked());

		Fit();
		Layout();
		MainSizer->Fit( this );
	}
}