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b851d5e4d2
As per title. I also added a new tool called `dirt_patch`. As I mentioned in our Discord server there is some left-over data from previous dev builds in DRA.BIN and potentially elsewhere too. The tool uses the new file `config/dirt.us.json` which stores a list of patches to avoid crazy hacks and `#ifdef` for the sake of getting a match. I hope this tool will not be abused.
33 lines
832 B
Python
33 lines
832 B
Python
#!/usr/bin/python3
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import argparse
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import json
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def patch(config_file_name):
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with open(config_file_name, "r") as f:
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patches = json.load(f)
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for patch in patches:
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name = patch["name"]
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with open(name, "r+b") as f:
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for str_offset in patch:
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if not str_offset.startswith("0x"):
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continue
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offset = int(str_offset[2:], base=16)
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value = patch[str_offset]
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f.seek(offset)
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f.write(bytes([value]))
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(
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description="given a configuration, patches an existing binary"
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)
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parser.add_argument(
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"config",
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help="File path of the patch configuration",
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)
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args = parser.parse_args()
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patch(args.config)
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