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181 lines (150 loc) · 5.15 KB
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//------------------------------------------------
//--- 010 Editor v13.0.2 Binary Template
//
// File: LogFile.bt
// Authors: Sabhya Raj Mehta (5h4rrK)
// Version: 1.0
// Purpose: Develop a parsing template for Resilient File System LogFile
// Category: Drives
// ID Bytes: 4D 4C 6F 67
// History:
// 1.0 2024-03-10 Sabhya Raj Mehta: Initial release.
//------------------------------------------------
typedef enum <UINT64> {
CONTROL = 1,
DATA = 2
} LogTypeCheck;
int isMLog(void) {
local char sig[4];
ReadBytes(sig, FTell(), 4);
if (Memcmp(sig, "MLog", 4) == 0) {
return 1;
}
return 0;
}
int readNextIntBytes() {
return ReadUInt(FTell());
}
int skipCheck1(int val) {
local UINT32 store_pos = FTell();
FSkip((val));
local UINT32 s2sz = readNextIntBytes();
FSeek(store_pos);
if (s2sz == 0x38) { return 1;}
return 0;
}
int getNoOfEntries(void) {
local UINT32 ssz = readNextIntBytes();
local int entries = ((ssz - 56 ) / 8);
local UINT32 val = readNextIntBytes();
return entries;
}
typedef struct REFS_CONTROL_LOG {
UINT64 seqno<name = "SequenceNo">;
UINT64 startoff<name = "StartOffset">;
UINT64 endoff<name = "EndOffset">;
UINT64 nextlsn<name = "NextLSN">;
UINT64 prevlsn<name = "PrevLSN">;
GUID loguuid <name = "UUID", fgcolor = cGreen >;
UINT32 control <name = "Control">;
UINT32 unk1 <name = "Unknown1">;
UINT64 unk2 <name = "Unknown2">;
UINT64 unk3 <name = "Unknown3">;
};
struct REFS_ENTRY_HEADER {
typedef char CustString[4];
CustString SIGNATURE <name = "Signature", fgcolor = 0x14D64A >;
UINT32 entryid <name = "EntryId" >;
UINT32 unk1 <name = "Unknown1">;
UINT32 entrysize <name = "EntrySize">;
GUID loguuid <name = "UUID">;
UINT32 control <name = "Control">;
UINT32 unk2 <name = "Unknown2">;
UINT64 curr_lsn <name = "CurrentLSN", fgcolor = 0xB110C4>;
UINT64 prev_lsn <name = "PreviousLSN", fgcolor = 0xB110C4>;
typedef UBYTE unkBuff[28];
unkBuff unk3<name = "Unknown3">;
UINT32 entry_header_sz <name = "EntryHeaderSize">;
typedef UBYTE unknBuff[32];
unknBuff unk4<name = "Unknown4">;
};
struct REFS_LOG_ENTRY_HEADER {
UINT64 curr_lsn <name = "CurrentLSN", fgcolor = 0xB110C4>;
UINT64 checksum <name = "CheckSum">;
UINT32 unk1 <name = "Unknown1">;
UINT32 unk2 <name = "Unknown2">;
UINT64 prev_lsn <name = "PreviousLSN", fgcolor = 0xB110C4>;
UINT32 data_area <name = "DataAreaSize">;
UINT32 unk3 <name = "Unknown3">;
UINT32 loghdrsz <name = "LogHeaderSize">;
UINT32 logrecsz <name = "LogRecordSize">;
LogTypeCheck type <name = "LogType", fgcolor = 0xC212C0>;
};
struct REFS_REDO_STRUCTURE_SIZE {
UINT32 totalrecsize<name = "StructureSize", fgcolor = 0xD61472>;
UINT32 flags<name = "Flags">;
};
struct REFS_REDO_LOG {
UINT32 redorecsize<name = "RedoRecordSize", fgcolor = 0xcc1da8>;
UINT32 opcode<name = "Opcode", fgcolor = 0x6932a8>;
UINT32 tablekeyscnt<name = "TableKeysCount">;
UINT32 tablekeysoff<name = "TableKeyOffset">;
UINT32 valcnt<name = "ValueCount">;
UINT32 valoff<name = "ValueOffset">;
UINT64 unkn1<name = "Unknown1">;
UINT64 unkn2<name = "Unknown2">;
UINT32 unkn3<name = "Unknown3">;
UINT32 redomark<name = "RedoMark">;
UINT32 seqno<name = "SequenceNo">;
UINT32 endmark<name = "EndMark">;
typedef struct REDO_TRANSACTION {
local int prevpos = FTell();
UINT32 dataoff <name = "DataOffset", fgcolor = 0x10C428>;
UINT32 datasz <name = "DataSize", fgcolor = 0x10C428>;
local int currpos = FTell();
FSeek(prevpos);
FSeek(startof(parentof(this)) + dataoff);
UBYTE TRANSACTION[datasz]<name = "TransactionRecord">;
FSeek(currpos);
};
REDO_TRANSACTION RedoArrayEntry[getNoOfEntries()] <name = "RedoArrayEntry", optimize = false, open = false >;
FSeek(startof(this));
FSeek(FTell() + readNextIntBytes());
};
typedef struct REFS_LOG_START(int curr_page) {
REFS_ENTRY_HEADER entry<name = "REFS_ENTRY_HEADER">;
REFS_LOG_ENTRY_HEADER entryheader <name = "REFS_LOG_ENTRY_HEADER">;
if (entryheader.type == 1)
{
REFS_CONTROL_LOG controllog<name = "CONTROL_LOG">;
FSeek((curr_page + 1) * 0x1000);
}
else if (entryheader.type == 2) {
REFS_REDO_STRUCTURE_SIZE rls<name = "REDO_STRUCTURE_SIZE">;
REFS_REDO_LOG redolog<name = "REFS_REDO_LOG">;
while (FTell() < ((curr_page + 1) * 0x1000)) {
if (skipCheck1(12)) {
REFS_REDO_LOG redolog<name = "REFS_REDO_LOG">;
}
else if (skipCheck1(20)) {
REFS_REDO_STRUCTURE_SIZE rls<name = "REDO_STRUCTURE_SIZE">;
REFS_REDO_LOG redolog<name = "REFS_REDO_LOG">;
}
if (readNextIntBytes() == 0) {
FSeek((curr_page + 1) * 0x1000);
}
}
}
};
local int curr_page = 0;
while (!FEof()) {
if (isMLog()) {
curr_page = FTell() / 0x1000;
REFS_LOG_START refs(curr_page)<name = "REFS_LOG_START">;
}
else {
curr_page = FTell() / 0x1000;
FSeek((curr_page + 1) * 0x1000);
}
}
LittleEndian();