VeraCrypt
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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2024-09-16 23:11:37 +0200
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2024-09-16 23:11:37 +0200
commiteb0eec7b39534b0bec5566ef92985f163e1f7025 (patch)
treef5d9ccc139399318d033ee1973eb0a9589dd1feb
parent3a1c8bac59b4afa364b8371ce65f0dd4c8236472 (diff)
downloadVeraCrypt-eb0eec7b39534b0bec5566ef92985f163e1f7025.tar.gz
VeraCrypt-eb0eec7b39534b0bec5566ef92985f163e1f7025.zip
Windows: Fix failed EFI detection on some PCs where BootOrder variable is not defined.
we now report that EFI is not support only when GetFirmwareEnvironmentVariable fails with error ERROR_INVALID_FUNCTION. Proposed by @kriegste on https://github.com/veracrypt/VeraCrypt/issues/360
-rw-r--r--src/Common/BootEncryption.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Common/BootEncryption.cpp b/src/Common/BootEncryption.cpp
index c9b275dc..bf7a0f64 100644
--- a/src/Common/BootEncryption.cpp
+++ b/src/Common/BootEncryption.cpp
@@ -2636,7 +2636,7 @@ namespace VeraCrypt
bool EfiBoot::IsEfiBoot() {
DWORD BootOrderLen;
BootOrderLen = GetFirmwareEnvironmentVariable(L"BootOrder", EfiVarGuid, tempBuf, sizeof(tempBuf));
- return BootOrderLen != 0;
+ return (BootOrderLen != 0) || (GetLastError() != ERROR_INVALID_FUNCTION);
}
void EfiBoot::DeleteStartExec(uint16 statrtOrderNum, wchar_t* type) {