pwd.py

importffilib
importuctypes
importstruct

fromcollectionsimportnamedtuple


libc=ffilib.libc()

getpwnam_=libc.func("P", "getpwnam", "s")


struct_passwd=namedtuple(
"struct_passwd", ["pw_name", "pw_passwd", "pw_uid", "pw_gid", "pw_gecos", "pw_dir", "pw_shell"]
)


defgetpwnam(user):
passwd=getpwnam_(user)
ifnotpasswd:
raiseKeyError("getpwnam(): name not found: {}".format(user))
passwd_fmt="SSIISSS"
passwd=uctypes.bytes_at(passwd, struct.calcsize(passwd_fmt))
passwd=struct.unpack(passwd_fmt, passwd)
returnstruct_passwd(*passwd)