From 400bb5224700e7dcaa2eb3572a3ba2a3fbdf02e1 Mon Sep 17 00:00:00 2001
From: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date: Wed, 2 Oct 2019 22:28:22 +0200
Subject: Linux/MacOSX:check that the requested size of file container is less
 than available

disk free space. Add a CLI switch to disable this check.
---
 src/Main/Forms/VolumeSizeWizardPage.cpp | 10 ++++++++--
 src/Main/Forms/VolumeSizeWizardPage.h   |  1 +
 2 files changed, 9 insertions(+), 2 deletions(-)

(limited to 'src/Main/Forms')

diff --git a/src/Main/Forms/VolumeSizeWizardPage.cpp b/src/Main/Forms/VolumeSizeWizardPage.cpp
index f4044418..3781b05d 100644
--- a/src/Main/Forms/VolumeSizeWizardPage.cpp
+++ b/src/Main/Forms/VolumeSizeWizardPage.cpp
@@ -21,7 +21,8 @@ namespace VeraCrypt
 		MaxVolumeSize (0),
 		MaxVolumeSizeValid (false),
 		MinVolumeSize (1),
-		SectorSize (sectorSize)
+		SectorSize (sectorSize),
+		AvailableDiskSpace (0)
 	{
 		VolumeSizePrefixChoice->Append (LangString["KB"], reinterpret_cast <void *> (1024));
 		VolumeSizePrefixChoice->Append (LangString["MB"], reinterpret_cast <void *> (1024 * 1024));
@@ -34,6 +35,10 @@ namespace VeraCrypt
 			VolumeSizeTextCtrl->Disable();
 			VolumeSizeTextCtrl->SetValue (L"");
 		}
+		else
+		{
+			AvailableDiskSpace = (uint64) diskSpace.GetValue ();
+		}
 
 		FreeSpaceStaticText->SetFont (Gui->GetDefaultBoldFont (this));
 
@@ -97,7 +102,8 @@ namespace VeraCrypt
 		{
 			try
 			{
-				if (GetVolumeSize() >= MinVolumeSize && (!MaxVolumeSizeValid || GetVolumeSize() <= MaxVolumeSize))
+				uint64 uiVolumeSize = GetVolumeSize();
+				if (uiVolumeSize >= MinVolumeSize && (!MaxVolumeSizeValid || uiVolumeSize <= MaxVolumeSize) && (CmdLine->ArgDisableFileSizeCheck || !AvailableDiskSpace || uiVolumeSize <= AvailableDiskSpace))
 					return true;
 			}
 			catch (...) { }
diff --git a/src/Main/Forms/VolumeSizeWizardPage.h b/src/Main/Forms/VolumeSizeWizardPage.h
index e12a5a79..aac41f99 100644
--- a/src/Main/Forms/VolumeSizeWizardPage.h
+++ b/src/Main/Forms/VolumeSizeWizardPage.h
@@ -49,6 +49,7 @@ namespace VeraCrypt
 		bool MaxVolumeSizeValid;
 		uint64 MinVolumeSize;
 		uint32 SectorSize;
+		uint64 AvailableDiskSpace;
 	};
 }
 
-- 
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