25 lines
596 B
Python
25 lines
596 B
Python
import ffilib
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import uctypes
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import ustruct
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from ucollections import namedtuple
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libc = ffilib.libc()
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getpwnam_ = libc.func("P", "getpwnam", "s")
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struct_passwd = namedtuple("struct_passwd",
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["pw_name", "pw_passwd", "pw_uid", "pw_gid", "pw_gecos", "pw_dir", "pw_shell"])
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def getpwnam(user):
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passwd = getpwnam_(user)
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if not passwd:
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raise KeyError("getpwnam(): name not found: {}".format(user))
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passwd_fmt = "SSIISSS"
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passwd = uctypes.bytes_at(passwd, ustruct.calcsize(passwd_fmt))
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passwd = ustruct.unpack(passwd_fmt, passwd)
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return struct_passwd(*passwd)
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