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68 lines
2.2 KiB
68 lines
2.2 KiB
#!/usr/bin/env python3
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"""
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This is free and unencumbered software released into the public domain.
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Anyone is free to copy, modify, publish, use, compile, sell, or
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distribute this software, either in source code form or as a compiled
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binary, for any purpose, commercial or non-commercial, and by any
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means.
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In jurisdictions that recognize copyright laws, the author or authors
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of this software dedicate any and all copyright interest in the
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software to the public domain. We make this dedication for the benefit
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of the public at large and to the detriment of our heirs and
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successors. We intend this dedication to be an overt act of
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relinquishment in perpetuity of all present and future rights to this
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software under copyright law.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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For more information, please refer to <http://unlicense.org/>
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"""
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from argparse import ArgumentParser, FileType
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from hashlib import sha1
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from struct import pack, unpack
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def eulasetter(twlcfg, disagree):
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# Get config flags
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twlcfg.seek(0x88)
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flags, = unpack("<L", twlcfg.read(4))
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# Set EULA
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if disagree:
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flags &= ~(1 << 24)
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else:
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flags |= (1 << 24)
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# Write back to file
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twlcfg.seek(0x88)
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twlcfg.write(pack("<L", flags))
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# Update SHA1
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twlcfg.seek(0x88)
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sha = sha1(twlcfg.read(0x128)).digest()
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twlcfg.seek(0)
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twlcfg.write(sha)
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print("Successfully updated %s" % twlcfg.name)
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if __name__ == "__main__":
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parser = ArgumentParser(description="Sets the EULA status of a DSi config file")
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parser.add_argument("twlcfg", metavar="TWLCFG#.dat", type=FileType("rb+"), nargs="*", help="TWLCFG files")
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parser.add_argument("-d", "--disagree", action="store_true", help="if set will disagree to EULA, default is agree")
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args = parser.parse_args()
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for twlcfg in args.twlcfg:
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eulasetter(twlcfg, args.disagree)
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