From b87fc6b140772ba3017de311c7063c259424264c Mon Sep 17 00:00:00 2001
From: Alex <kavsrf@gmail.com>
Date: Mon, 15 Aug 2016 17:11:31 +0200
Subject: First public release. Used by VeraCrypt 1.18.

---
 DcsBoot/DcsBoot.c   | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 DcsBoot/DcsBoot.inf |  64 ++++++++++++++++++++++++++++++++
 2 files changed, 168 insertions(+)
 create mode 100644 DcsBoot/DcsBoot.c
 create mode 100644 DcsBoot/DcsBoot.inf

(limited to 'DcsBoot')

diff --git a/DcsBoot/DcsBoot.c b/DcsBoot/DcsBoot.c
new file mode 100644
index 0000000..bccf216
--- /dev/null
+++ b/DcsBoot/DcsBoot.c
@@ -0,0 +1,104 @@
+/** @file
+  This is DCS boot loader application
+
+Copyright (c) 2016. Disk Cryptography Services for EFI (DCS), Alex Kolotnikov
+Copyright (c) 2016. VeraCrypt, Mounir IDRASSI 
+
+This program and the accompanying materials
+are licensed and made available under the terms and conditions
+of the GNU Lesser General Public License, version 3.0 (LGPL-3.0).
+
+The full text of the license may be found at
+https://opensource.org/licenses/LGPL-3.0
+**/
+
+#include <Uefi.h>
+#include <Library/CommonLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DevicePathLib.h>
+
+EFI_GUID          ImagePartGuid;
+EFI_GUID          *gEfiExecPartGuid = &ImagePartGuid;
+CHAR16            *gEfiExecCmdDefault = L"\\EFI\\Microsoft\\Boot\\Bootmgfw.efi";
+CHAR16            *gEfiExecCmd = NULL;
+/**
+The actual entry point for the application.
+
+@param[in] ImageHandle    The firmware allocated handle for the EFI image.
+@param[in] SystemTable    A pointer to the EFI System Table.
+
+@retval EFI_SUCCESS       The entry point executed successfully.
+@retval other             Some error occur when executing this entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+DcsBootMain(
+   IN EFI_HANDLE        ImageHandle,
+   IN EFI_SYSTEM_TABLE  *SystemTable
+   )
+{
+   EFI_STATUS          res;
+	UINTN               len;
+	UINT32              attr;
+	InitBio();
+   res = InitFS();
+   if (EFI_ERROR(res)) {
+      ERR_PRINT(L"InitFS %r\n", res);
+   }
+
+	// Load all drivers
+	res = EfiExec(NULL, L"\\EFI\\VeraCrypt\\LegacySpeaker.dcs");
+
+	res = EfiGetPartGUID(gFileRootHandle, &ImagePartGuid);
+	if (EFI_ERROR(res)) {
+		ERR_PRINT(L"\nStart partition %r\n", res);
+		return res;
+	}
+
+	EfiSetVar(L"DcsExecPartGuid", NULL, &ImagePartGuid, sizeof(EFI_GUID), EFI_VARIABLE_BOOTSERVICE_ACCESS);
+	EfiSetVar(L"DcsExecCmd", NULL, gEfiExecCmdDefault, (StrLen(gEfiExecCmdDefault) + 1) * 2, EFI_VARIABLE_BOOTSERVICE_ACCESS);
+	// Authorize
+	res = EfiExec(NULL, L"\\EFI\\VeraCrypt\\DcsInt.dcs");
+   if (EFI_ERROR(res)) {
+      // ERR_PRINT(L"\nDcsInt.efi %r\n",res);
+      return res;
+   }
+
+	res = EfiGetVar(L"DcsExecPartGuid", NULL, &gEfiExecPartGuid, &len, &attr);
+	if (EFI_ERROR(res)) {
+		gEfiExecPartGuid = &ImagePartGuid;
+	}
+
+	res = EfiGetVar(L"DcsExecCmd", NULL, &gEfiExecCmd, &len, &attr);
+	if (EFI_ERROR(res)) {
+		gEfiExecCmd = gEfiExecCmdDefault;
+	}
+
+	// Find new start partition
+   ConnectAllEfi();
+	InitBio();
+	res = InitFS();
+//	OUT_PRINT(L".");
+	res = EfiFindPartByGUID(gEfiExecPartGuid, &gFileRootHandle);
+	if (EFI_ERROR(res)) {
+		ERR_PRINT(L"\nCan't find start partition %g\n", gEfiExecPartGuid);
+		EfiCpuHalt();
+	}
+//	OUT_PRINT(L".");
+	res = FileOpenRoot(gFileRootHandle, &gFileRoot);
+	if (EFI_ERROR(res)) {
+		ERR_PRINT(L"\nCan't open start partition\n");
+		EfiCpuHalt();
+	}
+//	OUT_PRINT(L".");
+	// Try to exec windows loader...
+   res = EfiExec(NULL, gEfiExecCmd);
+   if (EFI_ERROR(res)) {
+      ERR_PRINT(L"\nStart %s - %r\n", gEfiExecCmd, res);
+		EfiCpuHalt();
+   }
+	ERR_PRINT(L"???%r");
+	EfiCpuHalt();
+   return EFI_INVALID_PARAMETER;
+}
diff --git a/DcsBoot/DcsBoot.inf b/DcsBoot/DcsBoot.inf
new file mode 100644
index 0000000..9459e92
--- /dev/null
+++ b/DcsBoot/DcsBoot.inf
@@ -0,0 +1,64 @@
+## @file
+#  This is DCS boot loader application
+#
+# Copyright (c) 2016. Disk Cryptography Services for EFI (DCS), Alex Kolotnikov
+# Copyright (c) 2016. VeraCrypt, Mounir IDRASSI 
+# 
+# This program and the accompanying materials are licensed and made available
+# under the terms and conditions of the GNU Lesser General Public License, version 3.0 (LGPL-3.0).
+# 
+#  The full text of the license may be found at
+# https://opensource.org/licenses/LGPL-3.0
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010006
+  BASE_NAME                      = DcsBoot
+  FILE_GUID                      = DE8AB4B2-EB47-44E1-A4D7-1001E5E9F0A5
+  MODULE_TYPE                    = UEFI_APPLICATION
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = DcsBootMain
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC
+#
+
+[Sources]
+  DcsBoot.c
+
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  DcsPkg/DcsPkg.dec
+
+[LibraryClasses]
+  UefiApplicationEntryPoint
+  UefiLib
+  BaseLib
+  MemoryAllocationLib
+  CommonLib
+
+[Guids]
+  gEfiGlobalVariableGuid
+  gEfiDcsVariableGuid
+  gEfiFileInfoGuid
+
+[Protocols]
+  gEfiBlockIoProtocolGuid
+
+[BuildOptions.IA32]
+RELEASE_VS2010x86_IA32_CC_FLAGS    =  /arch:IA32 /FAcs
+DEBUG_VS2010x86_IA32_CC_FLAGS    = /arch:IA32 /FAcs
+NOOPT_VS2010x86_IA32_CC_FLAGS    = /arch:IA32  /FAcs
+
+RELEASE_VS2015x86_IA32_CC_FLAGS    =  /arch:IA32 /FAcs
+DEBUG_VS2015x86_IA32_CC_FLAGS    = /arch:IA32 /FAcs
+NOOPT_VS2015x86_IA32_CC_FLAGS    = /arch:IA32  /FAcs
+[FeaturePcd]
+
+[Pcd]
+
-- 
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