mirror of
https://github.com/henrydcase/pqc.git
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68 lines
2.6 KiB
Python
68 lines
2.6 KiB
Python
"""
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Checks that every .c and .h file in an implementation is present as a
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dependency of that scheme's Makefile.
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"""
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import hashlib
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import os
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import pqclean
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import helpers
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import subprocess
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import glob
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import datetime
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def test_makefile_dependencies():
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for scheme in pqclean.Scheme.all_schemes():
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for implementation in scheme.implementations:
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# initial build - want to have all files in place at beginning
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helpers.run_subprocess(['make', 'clean'], implementation.path())
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helpers.run_subprocess(['make'], implementation.path())
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# test case for each candidate file
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cfiles = glob.glob(os.path.join(implementation.path(), '*.c'))
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hfiles = glob.glob(os.path.join(implementation.path(), '*.h'))
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for file in cfiles + hfiles:
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yield check_makefile_dependencies, scheme.name, implementation.name, file
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def check_makefile_dependencies(scheme_name, implementation_name, file):
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scheme = pqclean.Scheme.by_name(scheme_name)
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implementation = pqclean.Implementation.by_name(scheme_name, implementation_name)
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cfiles = glob.glob(os.path.join(implementation.path(), '*.c'))
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hfiles = glob.glob(os.path.join(implementation.path(), '*.h'))
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ofiles = glob.glob(os.path.join(implementation.path(), '*.o'))
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libfile = os.path.join(implementation.path(), implementation.libname())
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# modification time-based calculations is tricky on a sub-second basis
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# so we reset all the modification times to a known and "sensible" order
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now = datetime.datetime.now()
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ago15 = now - datetime.timedelta(seconds=15)
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ago10 = now - datetime.timedelta(seconds=10)
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ago5 = now - datetime.timedelta(seconds=5)
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formatstring = "%Y%m%d%H%M.%S"
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helpers.run_subprocess(['touch', '-t', ago15.strftime(formatstring)] + cfiles + hfiles)
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helpers.run_subprocess(['touch', '-t', ago10.strftime(formatstring)] + ofiles)
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helpers.run_subprocess(['touch', '-t', ago5.strftime(formatstring), libfile])
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mtime_lib_orig = os.stat(libfile).st_mtime_ns
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# touch the candidate .c / .h file
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helpers.run_subprocess(['touch', '-t', now.strftime(formatstring), file])
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# rebuild
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helpers.run_subprocess(['make'], implementation.path())
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# make sure the libfile's modification time changed
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mtime_lib_upd = os.stat(libfile).st_mtime_ns
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if (mtime_lib_orig == mtime_lib_upd):
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print("ERROR: Library was not updated after touching {}".format(file))
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assert(mtime_lib_orig != mtime_lib_upd)
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if __name__ == '__main__':
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try:
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import nose2
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nose2.main()
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except ImportError:
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import nose
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nose.runmodule()
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