diff options
Diffstat (limited to 'DcsBoot')
| -rw-r--r-- | DcsBoot/DcsBoot.c | 109 |
1 files changed, 57 insertions, 52 deletions
diff --git a/DcsBoot/DcsBoot.c b/DcsBoot/DcsBoot.c index 244eb62..90dcb5d 100644 --- a/DcsBoot/DcsBoot.c +++ b/DcsBoot/DcsBoot.c @@ -48,8 +48,50 @@ DoExecCmd() return res;
}
-CHAR16* sDcsBootEfi = L"EFI\\VeraCrypt\\DcsBoot.efi";
-CHAR16* sDcsDriverEfiDesc = L"VeraCrypt(DCS) driver";
+//////////////////////////////////////////////////////////////////////////
+// BML
+//////////////////////////////////////////////////////////////////////////
+CHAR16* sDcsBmlEfi = L"EFI\\VeraCrypt\\DcsBml.dcs";
+CHAR16* sDcsBmlEfiDesc = L"VeraCrypt(DcsBml) driver";
+CHAR16* sDcsBmlDriverVar = L"DriverDC5B";
+UINT16 sDcsBmlDriverNum = 0x0DC5B;
+
+VOID
+UpdateDriverBmlStart() {
+ EFI_STATUS res;
+ UINTN len;
+ UINT32 attr;
+ int drvInst;
+ CHAR16* tmp = NULL;
+
+ // Driver load selected?
+ drvInst = ConfigReadInt("DcsBmlDriver", 1);
+ if (drvInst) {
+ res = EfiGetVar(sDcsBmlDriverVar, &gEfiGlobalVariableGuid, &tmp, &len, &attr);
+ // Driver installed?
+ if (EFI_ERROR(res)) {
+ // No -> install
+ res = BootMenuItemCreate(sDcsBmlDriverVar, sDcsBmlEfiDesc, gFileRootHandle, sDcsBmlEfi, FALSE);
+ if (!EFI_ERROR(res)) {
+ len = 0;
+ res = EfiGetVar(L"DriverOrder", &gEfiGlobalVariableGuid, &tmp, &len, &attr);
+ if (!EFI_ERROR(res)) len = len / 2;
+ res = BootOrderInsert(L"DriverOrder", len, sDcsBmlDriverNum);
+ }
+ }
+ MEM_FREE(tmp);
+ }
+ else {
+ // uninstall driver
+ res = EfiGetVar(sDcsBmlDriverVar, &gEfiGlobalVariableGuid, &tmp, &len, &attr);
+ if (!EFI_ERROR(res)) {
+ BootMenuItemRemove(sDcsBmlDriverVar);
+ BootOrderRemove(L"DriverOrder", sDcsBmlDriverNum);
+ }
+ }
+ MEM_FREE(tmp);
+}
+
/**
The actual entry point for the application.
@@ -67,62 +109,25 @@ DcsBootMain( IN EFI_SYSTEM_TABLE *SystemTable
)
{
- EFI_STATUS res;
+ EFI_STATUS res;
UINTN len;
UINT32 attr;
- int drvInst;
BOOLEAN searchOnESP = FALSE;
- EFI_INPUT_KEY key;
+// EFI_INPUT_KEY key;
InitBio();
res = InitFS();
if (EFI_ERROR(res)) {
ERR_PRINT(L"InitFS %r\n", res);
}
- // Check multiple execution
- res = EfiGetVar(L"DcsExecPartGuid", NULL, &gEfiExecPartGuid, &len, &attr);
- if (!EFI_ERROR(res)) {
- // DcsBoot executed already.
- ERR_PRINT(L"Multiple execution of DcsBoot\n");
- MEM_FREE(gEfiExecPartGuid);
- return EFI_INVALID_PARAMETER;
- }
- // Driver load selected?
- drvInst = ConfigReadInt("DcsDriver", 0);
- if (drvInst) {
- CHAR16* tmp = NULL;
- // Driver installed?
- res = EfiGetVar(L"DriverDC5B", &gEfiGlobalVariableGuid, &tmp, &len, &attr);
- if (EFI_ERROR(res)) {
- // No - install and reboot.
- res = BootMenuItemCreate(L"DriverDC5B", sDcsDriverEfiDesc, gFileRootHandle, sDcsBootEfi, FALSE);
- if (!EFI_ERROR(res)) {
- len = 0;
- res = EfiGetVar(L"DriverOrder", &gEfiGlobalVariableGuid, &tmp, &len, &attr);
- if (!EFI_ERROR(res)) len = len / 2;
- res = BootOrderInsert(L"DriverOrder", len, 0x0DC5B);
- OUT_PRINT(L"DcsBoot driver installed, %r\n", res);
- key = KeyWait(L"%2d \r", 10, 0, 0);
- gST->RuntimeServices->ResetSystem(EfiResetCold, EFI_SUCCESS, 0, NULL);
- return res;
- }
- ERR_PRINT(L"Failed to install DcsBoot driver. %r\n", res);
- key = KeyWait(L"%2d \r", 10, 0, 0);
- }
- MEM_FREE(tmp);
- } else {
- CHAR16* tmp = NULL;
- // Try uninstall driver
- res = EfiGetVar(L"DriverDC5B", &gEfiGlobalVariableGuid, &tmp, &len, &attr);
- if (!EFI_ERROR(res)) {
- BootMenuItemRemove(L"DriverDC5B");
- BootOrderRemove(L"DriverOrder", 0x0DC5B);
- OUT_PRINT(L"DcsBoot driver uninstalled\n");
- key = KeyWait(L"%2d \r", 10, 0, 0);
- gST->RuntimeServices->ResetSystem(EfiResetCold, EFI_SUCCESS, 0, NULL);
- }
- }
+ // BML installed?
+ if (EFI_ERROR(InitBml())) {
+ // if not -> execute
+ EfiExec(NULL, sDcsBmlEfi);
+ }
+
+ UpdateDriverBmlStart();
// Try platform info
if (EFI_ERROR(FileExist(NULL, L"\\EFI\\VeraCrypt\\PlatformInfo")) &&
@@ -165,12 +170,12 @@ DcsBootMain( searchOnESP = CompareGuid(gEfiExecPartGuid, &ImagePartGuid) &&
EFI_ERROR(FileExist(NULL, gEfiExecCmd));
- // Clear DcsExecPartGuid before execute OS to avoid problem in VirtualBox with reboot.
- EfiSetVar(L"DcsExecPartGuid", NULL, NULL, 0, EFI_VARIABLE_BOOTSERVICE_ACCESS);
- EfiSetVar(L"DcsExecCmd", NULL, NULL, 0, EFI_VARIABLE_BOOTSERVICE_ACCESS);
+ // Clear DcsExecPartGuid before execute OS to avoid problem in VirtualBox with reboot.
+ EfiSetVar(L"DcsExecPartGuid", NULL, NULL, 0, EFI_VARIABLE_BOOTSERVICE_ACCESS);
+ EfiSetVar(L"DcsExecCmd", NULL, NULL, 0, EFI_VARIABLE_BOOTSERVICE_ACCESS);
// Find new start partition
- ConnectAllEfi();
+ ConnectAllEfi();
InitBio();
res = InitFS();
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