mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-24 11:45:27 +01:00
108 lines
3.4 KiB
C++
108 lines
3.4 KiB
C++
/*
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* Volume.cpp
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*
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* Created on: Apr 21, 2021
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* Author: jief
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*/
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#include "Volume.h"
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#include <Platform.h>
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#include "../Platform/plist/plist.h"
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#include "../Platform/guid.h"
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#include "../refit/lib.h"
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//Get the UUID of the AppleRaid or CoreStorage volume from the boot helper partition
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EFI_STATUS
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GetRootUUID (IN REFIT_VOLUME *Volume)
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{
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EFI_STATUS Status;
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CHAR8 *PlistBuffer;
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UINTN PlistLen;
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TagDict* Dict;
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const TagStruct* Prop;
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CONST CHAR16* SystemPlistR;
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CONST CHAR16* SystemPlistP;
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CONST CHAR16* SystemPlistS;
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BOOLEAN HasRock;
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BOOLEAN HasPaper;
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BOOLEAN HasScissors;
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Status = EFI_NOT_FOUND;
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if (Volume == NULL) {
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return EFI_NOT_FOUND;
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}
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SystemPlistR = L"\\com.apple.boot.R\\Library\\Preferences\\SystemConfiguration\\com.apple.Boot.plist";
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if (FileExists (Volume->RootDir, SystemPlistR)) {
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HasRock = FileExists (Volume->RootDir, SystemPlistR);
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} else {
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SystemPlistR = L"\\com.apple.boot.R\\com.apple.Boot.plist";
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HasRock = FileExists (Volume->RootDir, SystemPlistR);
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}
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SystemPlistP = L"\\com.apple.boot.P\\Library\\Preferences\\SystemConfiguration\\com.apple.Boot.plist";
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if (FileExists (Volume->RootDir, SystemPlistP)) {
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HasPaper = FileExists (Volume->RootDir, SystemPlistP);
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} else {
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SystemPlistP = L"\\com.apple.boot.P\\com.apple.Boot.plist";
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HasPaper = FileExists (Volume->RootDir, SystemPlistP);
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}
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SystemPlistS = L"\\com.apple.boot.S\\Library\\Preferences\\SystemConfiguration\\com.apple.Boot.plist";
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if (FileExists (Volume->RootDir, SystemPlistS)) {
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HasScissors = FileExists (Volume->RootDir, SystemPlistS);
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} else {
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SystemPlistS = L"\\com.apple.boot.S\\com.apple.Boot.plist";
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HasScissors = FileExists (Volume->RootDir, SystemPlistS);
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}
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PlistBuffer = NULL;
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// Playing Rock, Paper, Scissors to chose which settings to load.
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if (HasRock && HasPaper && HasScissors) {
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// Rock wins when all three are around
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Status = egLoadFile(Volume->RootDir, SystemPlistR, (UINT8 **)&PlistBuffer, &PlistLen);
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} else if (HasRock && HasPaper) {
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// Paper beats rock
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Status = egLoadFile(Volume->RootDir, SystemPlistP, (UINT8 **)&PlistBuffer, &PlistLen);
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} else if (HasRock && HasScissors) {
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// Rock beats scissors
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Status = egLoadFile(Volume->RootDir, SystemPlistR, (UINT8 **)&PlistBuffer, &PlistLen);
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} else if (HasPaper && HasScissors) {
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// Scissors beat paper
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Status = egLoadFile(Volume->RootDir, SystemPlistS, (UINT8 **)&PlistBuffer, &PlistLen);
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} else if (HasPaper) {
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// No match
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Status = egLoadFile(Volume->RootDir, SystemPlistP, (UINT8 **)&PlistBuffer, &PlistLen);
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} else if (HasScissors) {
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// No match
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Status = egLoadFile(Volume->RootDir, SystemPlistS, (UINT8 **)&PlistBuffer, &PlistLen);
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} else {
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// Rock wins by default
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Status = egLoadFile(Volume->RootDir, SystemPlistR, (UINT8 **)&PlistBuffer, &PlistLen);
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}
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if (!EFI_ERROR(Status)) {
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Dict = NULL;
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if (ParseXML(PlistBuffer, &Dict, 0) != EFI_SUCCESS) {
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FreePool(PlistBuffer);
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return EFI_NOT_FOUND;
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}
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Prop = Dict->propertyForKey("Root UUID");
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if ( Prop != NULL ) {
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if ( !Prop->isString() ) {
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MsgLog("ATTENTION : property not string in Root UUID\n");
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}else{
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Status = StrToGuidBE(Prop->getString()->stringValue(), &Volume->RootUUID);
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}
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}
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Dict->FreeTag();
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FreePool(PlistBuffer);
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}
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return Status;
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}
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