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breakhack/checksum/CMakeLists.txt

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CMake
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Adds mediocre crack protection - Added a simple checksum calculation lib - Validates the hardcoded "lib file" checksum against the calculated checksum. By looking at instructions for the cracked version of BreakHack on various sites that show up on google it seems that the common theme is to replace the steamlib dll/so with a modified version. Now the Steam version of the game will validate a hardcoded checksum against a live validated version to see if everything seems ok before boot. It's not a major hinderance but it should eliminate the more basic sites modus operandi. Honestly I don't really care if people steal the game. IT'S OPEN SOURCE FFS! And the above exclamation confirms why I did this. Also, I wanted to se if it was possible. Game on Crackers! :D
2019-03-11 00:00:27 +01:00
cmake_minimum_required(VERSION 3.1)
project(checksum C)
if (NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif ()
add_executable(checksumtool
Patches all CMakeLists.txt to new CMake version
2021-10-05 09:15:29 +02:00
src/checksum.c
Adds mediocre crack protection - Added a simple checksum calculation lib - Validates the hardcoded "lib file" checksum against the calculated checksum. By looking at instructions for the cracked version of BreakHack on various sites that show up on google it seems that the common theme is to replace the steamlib dll/so with a modified version. Now the Steam version of the game will validate a hardcoded checksum against a live validated version to see if everything seems ok before boot. It's not a major hinderance but it should eliminate the more basic sites modus operandi. Honestly I don't really care if people steal the game. IT'S OPEN SOURCE FFS! And the above exclamation confirms why I did this. Also, I wanted to se if it was possible. Game on Crackers! :D
2019-03-11 00:00:27 +01:00
)
target_compile_definitions(checksumtool PUBLIC EXECUTABLE=1)
add_library(checksum
Patches all CMakeLists.txt to new CMake version
2021-10-05 09:15:29 +02:00
src/checksum.c
Adds mediocre crack protection - Added a simple checksum calculation lib - Validates the hardcoded "lib file" checksum against the calculated checksum. By looking at instructions for the cracked version of BreakHack on various sites that show up on google it seems that the common theme is to replace the steamlib dll/so with a modified version. Now the Steam version of the game will validate a hardcoded checksum against a live validated version to see if everything seems ok before boot. It's not a major hinderance but it should eliminate the more basic sites modus operandi. Honestly I don't really care if people steal the game. IT'S OPEN SOURCE FFS! And the above exclamation confirms why I did this. Also, I wanted to se if it was possible. Game on Crackers! :D
2019-03-11 00:00:27 +01:00
)
IF ( MSVC )
MESSAGE ( STATUS "Setting MSVC MT switches")
string (REPLACE
"/MDd"
"/MTd"
CMAKE_C_FLAGS_DEBUG
${CMAKE_C_FLAGS_DEBUG}
)
string (REPLACE
"/MDd"
"/MTd"
CMAKE_C_FLAGS_RELEASE
${CMAKE_C_FLAGS_RELEASE}
)
endif ()