VeraCrypt
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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2019-10-26 20:07:50 (GMT)
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2019-10-26 20:09:27 (GMT)
commitf22abf93dda59ec4289fd8f259eac384b14262a4 (patch)
tree9989c8462922e95df55d0922eb5ec7f69f8bbdac
parent7484c073640aeaea1da8f1db7547a5d9d4617d96 (diff)
downloadVeraCrypt-f22abf93dda59ec4289fd8f259eac384b14262a4.zip
VeraCrypt-f22abf93dda59ec4289fd8f259eac384b14262a4.tar.gz
Windows: Restore veraCrypt boot meny entry for system encryption more often, especially during PostOOBE calls, and handle additional corner cases.
-rw-r--r--src/Common/BootEncryption.cpp23
1 files changed, 16 insertions, 7 deletions
diff --git a/src/Common/BootEncryption.cpp b/src/Common/BootEncryption.cpp
index ed1237c..a784f57 100644
--- a/src/Common/BootEncryption.cpp
+++ b/src/Common/BootEncryption.cpp
@@ -3321,8 +3321,15 @@ namespace VeraCrypt
if (preserveUserConfig)
{
- bool bModifiedMsBoot = true;
- EfiBootInst.GetFileSize(L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi", loaderSize);
+ bool bModifiedMsBoot = true, bMissingMsBoot = false;;
+ if (EfiBootInst.FileExists (L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi"))
+ EfiBootInst.GetFileSize(L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi", loaderSize);
+ else
+ bMissingMsBoot = true;
+
+ // restore boot menu entry in case of PostOOBE
+ if (PostOOBEMode)
+ EfiBootInst.SetStartExec(L"VeraCrypt BootLoader (DcsBoot)", L"\\EFI\\VeraCrypt\\DcsBoot.efi");
if (EfiBootInst.FileExists (L"\\EFI\\Microsoft\\Boot\\bootmgfw_ms.vc"))
{
@@ -3369,7 +3376,9 @@ namespace VeraCrypt
if (EfiBootConf::IsPostExecFileField (conf.actionSuccessValue, loaderPath))
{
// check that it is not bootmgfw.efi
- if (0 != _wcsicmp (loaderPath.c_str(), L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi"))
+ if ( (0 != _wcsicmp (loaderPath.c_str(), L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi"))
+ && (EfiBootInst.FileExists (loaderPath.c_str()))
+ )
{
// look for bootmgfw.efi identifiant string
EfiBootInst.GetFileSize(loaderPath.c_str(), loaderSize);
@@ -3387,16 +3396,16 @@ namespace VeraCrypt
}
}
- if (!bFound)
+ if (!bFound && !PostOOBEMode)
throw ErrorException ("WINDOWS_EFI_BOOT_LOADER_MISSING", SRC_POS);
}
}
- if (PostOOBEMode)
- {
+ if (PostOOBEMode && EfiBootInst.FileExists (L"\\EFI\\VeraCrypt\\DcsBoot.efi"))
+ {
// check if bootmgfw.efi has been set again to Microsoft version
// if yes, replace it with our bootloader after it was copied to bootmgfw_ms.vc
- if (!bModifiedMsBoot)
+ if (!bModifiedMsBoot || bMissingMsBoot)
EfiBootInst.CopyFile (L"\\EFI\\VeraCrypt\\DcsBoot.efi", L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi");
if (EfiBootInst.FileExists (szStdEfiBootloader))