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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2019-10-26 22:07:50 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2019-10-26 22:09:27 +0200 |
| commit | f22abf93dda59ec4289fd8f259eac384b14262a4 (patch) | |
| tree | 9989c8462922e95df55d0922eb5ec7f69f8bbdac /src/Common | |
| parent | 7484c073640aeaea1da8f1db7547a5d9d4617d96 (diff) | |
| download | VeraCrypt-f22abf93dda59ec4289fd8f259eac384b14262a4.tar.gz VeraCrypt-f22abf93dda59ec4289fd8f259eac384b14262a4.zip | |
Windows: Restore veraCrypt boot meny entry for system encryption more often, especially during PostOOBE calls, and handle additional corner cases.
Diffstat (limited to 'src/Common')
| -rw-r--r-- | src/Common/BootEncryption.cpp | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/src/Common/BootEncryption.cpp b/src/Common/BootEncryption.cpp index ed1237c1..a784f57f 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)) |