diff options
| author | Ladislav Zezula <zezula@volny.cz> | 2023-08-04 11:19:49 +0200 |
|---|---|---|
| committer | Ladislav Zezula <zezula@volny.cz> | 2023-08-04 11:19:49 +0200 |
| commit | 8debce7eab1cfb7a145d592d757b75e7cac83610 (patch) | |
| tree | 928021fc7f634eaf5a8686feb1e85d745523c918 /src/StormLib.h | |
| parent | 31dd4a36fc6b49330915886f56ac9a42d3e3150c (diff) | |
Fixed heap overflow in handling of file patch
Diffstat (limited to 'src/StormLib.h')
| -rw-r--r-- | src/StormLib.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/StormLib.h b/src/StormLib.h index 4aa51c1..4d5992d 100644 --- a/src/StormLib.h +++ b/src/StormLib.h @@ -215,7 +215,7 @@ extern "C" { #define SFILE_INVALID_POS 0xFFFFFFFF #define SFILE_INVALID_ATTRIBUTES 0xFFFFFFFF -// Flags for SFileAddFile +// Flags for TMPQBlock::dwFlags #define MPQ_FILE_IMPLODE 0x00000100 // Implode method (By PKWARE Data Compression Library) #define MPQ_FILE_COMPRESS 0x00000200 // Compress methods (By multiple methods) #define MPQ_FILE_ENCRYPTED 0x00010000 // Indicates whether file is encrypted @@ -259,6 +259,9 @@ extern "C" { MPQ_FILE_FIX_KEY | \ MPQ_FILE_EXISTS) +// Flags for TPatchInfo::dwFlags +#define MPQ_PATCH_INFO_VALID 0x80000000 // Set if the patch info is valid + // We need to mask out the upper 4 bits of the block table index. // This is because it gets shifted out when calculating block table offset // BlockTableOffset = pHash->dwBlockIndex << 0x04 @@ -676,7 +679,7 @@ typedef struct _TMPQBlock typedef struct _TPatchInfo { DWORD dwLength; // Length of patch info header, in bytes - DWORD dwFlags; // Flags. 0x80000000 = MD5 (?) + DWORD dwFlags; // Flags. 0x80000000 = valid (?) DWORD dwDataSize; // Uncompressed size of the patch file BYTE md5[0x10]; // MD5 of the entire patch file after decompression |