VeraCrypt
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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2019-11-22 00:08:41 +0100
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2019-11-22 00:11:55 +0100
commit9741c9209d0deedcc5d60434e5e7df3c531ff192 (patch)
tree30ceb447e59fba6167784ef070ab2884c57c0456 /src/Common/BootEncryption.cpp
parent55efa6237a8e35ee3788b0eecc6e4013d22f9692 (diff)
downloadVeraCrypt-9741c9209d0deedcc5d60434e5e7df3c531ff192.tar.gz
VeraCrypt-9741c9209d0deedcc5d60434e5e7df3c531ff192.zip
Windows: Add new registry flags for SystemFavoritesService to control updating of EFI BIOS boot menu on shutdown. This will help better manage multi-boot scenarios where we should not mess up with boot order (e.g. grub2 case)
Diffstat (limited to 'src/Common/BootEncryption.cpp')
-rw-r--r--src/Common/BootEncryption.cpp50
1 files changed, 31 insertions, 19 deletions
diff --git a/src/Common/BootEncryption.cpp b/src/Common/BootEncryption.cpp
index 583a8cb2..3ad7320c 100644
--- a/src/Common/BootEncryption.cpp
+++ b/src/Common/BootEncryption.cpp
@@ -1030,7 +1030,7 @@ namespace VeraCrypt
static EfiBoot EfiBootInst;
- BootEncryption::BootEncryption (HWND parent, bool postOOBE, bool setBootNext)
+ BootEncryption::BootEncryption (HWND parent, bool postOOBE, bool setBootEntry, bool forceFirstBootEntry, bool setBootNext)
: DriveConfigValid (false),
ParentWindow (parent),
RealSystemDriveSizeValid (false),
@@ -1042,7 +1042,9 @@ namespace VeraCrypt
SelectedPrfAlgorithmId (0),
VolumeHeaderValid (false),
PostOOBEMode (postOOBE),
- SetBootNext (setBootNext)
+ SetBootNext (setBootNext),
+ SetBootEntry (setBootEntry),
+ ForceFirstBootEntry (forceFirstBootEntry)
{
HiddenOSCandidatePartition.IsGPT = FALSE;
HiddenOSCandidatePartition.Number = (size_t) -1;
@@ -2682,7 +2684,7 @@ namespace VeraCrypt
}
}
- void EfiBoot::SetStartExec(wstring description, wstring execPath, bool setBootNext, uint16 statrtOrderNum , wchar_t* type, uint32 attr) {
+ void EfiBoot::SetStartExec(wstring description, wstring execPath, bool setBootEntry, bool forceFirstBootEntry, bool setBootNext, uint16 statrtOrderNum , wchar_t* type, uint32 attr) {
SetPrivilege(SE_SYSTEM_ENVIRONMENT_NAME, TRUE);
// Check EFI
if (!IsEfiBoot()) {
@@ -2799,27 +2801,37 @@ namespace VeraCrypt
}
}
- // Create new entry if absent
- if (startOrderNumPos == UINT_MAX) {
- if (bDeviceInfoValid)
- {
- for (uint32 i = startOrderLen / 2; i > 0; --i) {
+ if (setBootEntry)
+ {
+ // Create new entry if absent
+ if (startOrderNumPos == UINT_MAX) {
+ if (bDeviceInfoValid)
+ {
+ if (forceFirstBootEntry)
+ {
+ for (uint32 i = startOrderLen / 2; i > 0; --i) {
+ startOrder[i] = startOrder[i - 1];
+ }
+ startOrder[0] = statrtOrderNum;
+ }
+ else
+ {
+ startOrder[startOrderLen/2] = statrtOrderNum;
+ }
+ startOrderLen += 2;
+ startOrderUpdate = true;
+ }
+ } else if ((startOrderNumPos > 0) && forceFirstBootEntry) {
+ for (uint32 i = startOrderNumPos; i > 0; --i) {
startOrder[i] = startOrder[i - 1];
}
startOrder[0] = statrtOrderNum;
- startOrderLen += 2;
startOrderUpdate = true;
}
- } else if (startOrderNumPos > 0) {
- for (uint32 i = startOrderNumPos; i > 0; --i) {
- startOrder[i] = startOrder[i - 1];
- }
- startOrder[0] = statrtOrderNum;
- startOrderUpdate = true;
- }
- if (startOrderUpdate) {
- SetFirmwareEnvironmentVariable(order.c_str(), EfiVarGuid, startOrder, startOrderLen);
+ if (startOrderUpdate) {
+ SetFirmwareEnvironmentVariable(order.c_str(), EfiVarGuid, startOrder, startOrderLen);
+ }
}
if (setBootNext)
@@ -3333,7 +3345,7 @@ namespace VeraCrypt
// restore boot menu entry in case of PostOOBE
if (PostOOBEMode)
- EfiBootInst.SetStartExec(L"VeraCrypt BootLoader (DcsBoot)", L"\\EFI\\VeraCrypt\\DcsBoot.efi", SetBootNext);
+ EfiBootInst.SetStartExec(L"VeraCrypt BootLoader (DcsBoot)", L"\\EFI\\VeraCrypt\\DcsBoot.efi", SetBootEntry, ForceFirstBootEntry, SetBootNext);
if (EfiBootInst.FileExists (L"\\EFI\\Microsoft\\Boot\\bootmgfw_ms.vc"))
{