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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2013-06-22 16:16:13 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2014-11-08 23:18:07 +0100 |
| commit | c606f0866c3a2a5db3ef9bc41738ef33eb9612a9 (patch) | |
| tree | 5847c644cdfff3c1dd55b88b565448087ae89f11 /src/Boot/Windows/BootConfig.cpp | |
| download | VeraCrypt-c606f0866c3a2a5db3ef9bc41738ef33eb9612a9.tar.gz VeraCrypt-c606f0866c3a2a5db3ef9bc41738ef33eb9612a9.zip | |
Add original TrueCrypt 7.1a sources
Diffstat (limited to 'src/Boot/Windows/BootConfig.cpp')
| -rw-r--r-- | src/Boot/Windows/BootConfig.cpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/Boot/Windows/BootConfig.cpp b/src/Boot/Windows/BootConfig.cpp new file mode 100644 index 00000000..eeaed70a --- /dev/null +++ b/src/Boot/Windows/BootConfig.cpp @@ -0,0 +1,90 @@ +/*
+ Copyright (c) 2008-2012 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#include "BootConfig.h"
+
+byte BootSectorFlags;
+
+byte BootLoaderDrive;
+byte BootDrive;
+bool BootDriveGeometryValid = false;
+bool PreventNormalSystemBoot = false;
+bool PreventBootMenu = false;
+char CustomUserMessage[TC_BOOT_SECTOR_USER_MESSAGE_MAX_LENGTH + 1];
+uint32 OuterVolumeBackupHeaderCrc;
+
+bool BootStarted = false;
+
+DriveGeometry BootDriveGeometry;
+
+CRYPTO_INFO *BootCryptoInfo;
+Partition EncryptedVirtualPartition;
+
+Partition ActivePartition;
+Partition PartitionFollowingActive;
+bool ExtraBootPartitionPresent = false;
+uint64 HiddenVolumeStartUnitNo;
+uint64 HiddenVolumeStartSector;
+
+#ifndef TC_WINDOWS_BOOT_RESCUE_DISK_MODE
+
+void ReadBootSectorUserConfiguration ()
+{
+ byte userConfig;
+
+ AcquireSectorBuffer();
+
+ if (ReadWriteMBR (false, BootLoaderDrive, true) != BiosResultSuccess)
+ goto ret;
+
+ userConfig = SectorBuffer[TC_BOOT_SECTOR_USER_CONFIG_OFFSET];
+
+#ifdef TC_WINDOWS_BOOT_AES
+ EnableHwEncryption (!(userConfig & TC_BOOT_USER_CFG_FLAG_DISABLE_HW_ENCRYPTION));
+#endif
+
+ PreventBootMenu = (userConfig & TC_BOOT_USER_CFG_FLAG_DISABLE_ESC);
+
+ memcpy (CustomUserMessage, SectorBuffer + TC_BOOT_SECTOR_USER_MESSAGE_OFFSET, TC_BOOT_SECTOR_USER_MESSAGE_MAX_LENGTH);
+ CustomUserMessage[TC_BOOT_SECTOR_USER_MESSAGE_MAX_LENGTH] = 0;
+
+ if (userConfig & TC_BOOT_USER_CFG_FLAG_SILENT_MODE)
+ {
+ if (CustomUserMessage[0])
+ {
+ InitVideoMode();
+ Print (CustomUserMessage);
+ }
+
+ DisableScreenOutput();
+ }
+
+ OuterVolumeBackupHeaderCrc = *(uint32 *) (SectorBuffer + TC_BOOT_SECTOR_OUTER_VOLUME_BAK_HEADER_CRC_OFFSET);
+
+ret:
+ ReleaseSectorBuffer();
+}
+
+
+BiosResult UpdateBootSectorConfiguration (byte drive)
+{
+ AcquireSectorBuffer();
+
+ BiosResult result = ReadWriteMBR (false, drive);
+ if (result != BiosResultSuccess)
+ goto ret;
+
+ SectorBuffer[TC_BOOT_SECTOR_CONFIG_OFFSET] = BootSectorFlags;
+ result = ReadWriteMBR (true, drive);
+
+ret:
+ ReleaseSectorBuffer();
+ return result;
+}
+
+#endif // !TC_WINDOWS_BOOT_RESCUE_DISK_MODE
|