Merge pull request #2 from LordSk/pak

Pak tool 1.0

.gitignore

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+/Pak/build

Pak/config.lua

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+OpenSSL_include_x64 = "C:/Prog/Libs/openssl-1.0.2/include"
+OpenSSL_libdir_x64 = "C:/Prog/Libs/openssl-1.0.2/lib/Win32/static/Release"
+zlib_include = "C:/Prog/Libs/zlib-1.2.11"
+zlib_libdir_x64 = "C:/Prog/Libs/zlib-1.2.11"
+brotli_include = "C:/Prog/Libs/vcpkg/installed/x64-windows/include"
+brotli_libdir_x64 = "C:/Prog/Libs/vcpkg/installed/x64-windows/lib"

Pak/genie.lua

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+--
+dofile("config.lua");
+
+BUILD_DIR = path.getabsolute("./build")
+
+solution "Pak tools"
+	location(BUILD_DIR)
+
+	configurations {
+		"Debug",
+		"Release"
+	}
+
+	platforms {
+		"x32",
+		"x64"
+	}
+
+	language "C++"
+
+	configuration {"Debug"}
+		targetsuffix "_debug"
+		flags {
+			"Symbols",
+			"FullSymbols"
+		}
+		defines {
+			"DEBUG",
+			"CONF_DEBUG"
+		}
+		links {
+		}
+
+	configuration {"Release"}
+		flags {
+			"Optimize",
+			"Symbols",
+			"NoBufferSecurityCheck"
+		}
+		defines {
+			"NDEBUG",
+			"CONF_RELEASE",
+		}
+		links {
+		}
+
+	configuration {}
+		flags {
+			"Cpp14"
+		}
+
+	targetdir("../build")
+
+	includedirs {
+		"src",
+	}
+
+	links {
+		"kernel32",
+		"user32",
+		"winmm",
+		"advapi32"
+	}
+
+	flags {
+		"NoExceptions",
+		"NoRTTI",
+		"EnableSSE",
+		"EnableSSE2",
+		"EnableAVX",
+		"EnableAVX2",
+		"EnableMinimalRebuild",
+		"StaticRuntime",
+	}
+
+	defines {
+		"_CRT_SECURE_NO_DEPRECATE",
+		"_CRT_NONSTDC_NO_DEPRECATE",
+		"WIN32_LEAN_AND_MEAN",
+		"NOMINMAX",
+    }
+
+	-- disable exception related warnings
+	buildoptions{ "/wd4577", "/wd4530" }
+
+
+project "pak"
+	kind "ConsoleApp"
+
+	configuration {}
+
+	includedirs {
+		"src",
+		brotli_include
+	}
+
+	libdirs {
+		brotli_libdir_x64
+	}
+
+	links {
+		"brotlidec",
+		"shlwapi"
+	}
+
+	files {
+		"src/**.h",
+		"src/**.c",
+		"src/**.cpp",
+	}

Pak/scripts/brotli_test.py

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+#
+import brotli
+
+f = open("FileList.xml.pak_decrypted", "rb")
+data = f.read()
+f.close()
+
+decompressed_data = brotli.decompress(data)
+
+f = open("FileList.xml", "wb")
+f.write(decompressed_data)
+f.close()

Pak/scripts/decrypt_pak.py

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+from Crypto.Cipher import AES
+import struct
+
+f = open("FileList.xml.pak", "rb")
+data = f.read()
+f.close()
+
+# read header
+header = struct.unpack("4shh", data[:8])
+print(header)
+to_decrypt = data[8:136]
+
+
+key = b'\xa0\x1d\x3d\x99\x3b\x82\x0f\x1e\x13\x0a\x89\x55\x8d\xc0\xde\x22'
+# key = b'\x49\x59\x63\x55\xfd\x61\x71\x01\x00\xf3\xb9\xde\xb6\x6f\xb2\xa5'
+
+def decrypt(mode):
+    cipher = AES.new(key, mode)
+    plaintext = cipher.decrypt(to_decrypt)
+    sub = struct.unpack("iii", plaintext[:12])
+    print(sub)
+
+#f = open("out.decrypted", "wb")
+#f.write(plaintext)
+#f.close()
+
+decrypt(AES.MODE_ECB)
+decrypt(AES.MODE_CBC)
+decrypt(AES.MODE_CFB)
+decrypt(AES.MODE_OFB)
+decrypt(AES.MODE_CTR)
+decrypt(AES.MODE_OPENPGP)
+decrypt(AES.MODE_CCM)
+decrypt(AES.MODE_EAX)
+decrypt(AES.MODE_GCM)
+decrypt(AES.MODE_OCB)

Pak/scripts/extract_paks.py

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+import os
+import shutil
+import glob
+import sys
+import subprocess
+
+if len(sys.argv) < 3:
+    print('Usage: python extract_paks.py "Path\\To\\MXM" "Path\\To\\Extraction"')
+    print('Example: python extract_paks.py "C:\\MXM" "C:\\MXM_extracted"')
+    exit()
+
+script_dir = os.path.dirname(os.path.realpath(__file__))
+cur_dir = os.path.realpath(os.getcwd())
+input_dir = sys.argv[1]
+output_dir = sys.argv[2]
+
+#print(script_dir, cur_dir, input_dir, output_dir)
+
+tool_path = os.path.realpath(os.path.join(script_dir, "pak.exe"))
+#print(tool_path)
+
+pak_files = glob.glob(input_dir + '/**/*.pak', recursive=True)
+#print(pak_files)
+
+for f in pak_files:
+    fdir = os.path.dirname(f)[len(input_dir)+1:]
+    filename = os.path.basename(f)
+
+    #print(filename)
+    #print(filename[:-4])
+    #print(output_dir)
+    #print(fdir)
+    os.makedirs(os.path.join(output_dir, fdir), exist_ok=True)
+
+    print('"%s" "%s" "%s"' % (tool_path, f, os.path.join(output_dir, fdir, filename[:-4])))
+    #os.system('"%s" "%s" "%s"' % (tool_path, f, os.path.join(output_dir, fdir, filename[:-4])))
+    subprocess.run([tool_path, f, os.path.join(output_dir, fdir, filename[:-4])])

Pak/src/base.cpp

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+#include "base.h"
+
+FILE* g_LogFile;
+const char* g_LogFileName;
+
+void LogInit(const char* name)
+{
+	g_LogFileName = name;
+	g_LogFile = fopen(g_LogFileName, "wb");
+	ASSERT(g_LogFile);
+}
+
+struct Logger
+{
+	~Logger() {
+		fclose(g_LogFile);
+	}
+};
+
+static Logger g_Logger;