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from k5test import *
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import re
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realm = K5Realm(create_user=False)
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# Check that a non-default salt type applies only to the key it is
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# matched with and not to subsequent keys. e1 and e2 are enctypes,
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# and salt is a non-default salt type.
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def test_salt(realm, e1, salt, e2):
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keysalts = e1 + ':' + salt + ',' + e2
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realm.run([kadminl, 'ank', '-e', keysalts, '-pw', 'password', 'user'])
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out = realm.run([kadminl, 'getprinc', 'user'])
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if len(re.findall(':' + salt, out)) != 1:
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fail(salt + ' present in second enctype or not present')
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realm.run([kadminl, 'delprinc', 'user'])
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# Enctype/salt pairs chosen with non-default salt types.
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# The enctypes are mostly arbitrary.
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salts = [('aes128-cts-hmac-sha1-96', 'norealm'),
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('arcfour-hmac', 'onlyrealm'),
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('aes128-cts-hmac-sha1-96', 'special')]
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# These enctypes are chosen to cover the different string-to-key routines.
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# Omit ":normal" from aes256 to check that salttype defaulting works.
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second_kstypes = ['aes256-cts-hmac-sha1-96', 'arcfour-hmac:normal']
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# Test using different salt types in a principal's key list.
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# Parameters from one key in the list must not leak over to later ones.
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for e1, string in salts:
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for e2 in second_kstypes:
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test_salt(realm, e1, string, e2)
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def test_dup(realm, ks):
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realm.run([kadminl, 'ank', '-e', ks, '-pw', 'password', 'ks_princ'])
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out = realm.run([kadminl, 'getprinc', 'ks_princ'])
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lines = out.split('\n')
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keys = [l for l in lines if 'Key: ' in l]
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uniq = set(keys)
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# 'Key:' matches 'MKey:' as well so len(keys) has one extra
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if (len(uniq) != len(keys)) or len(keys) > len(ks.split(',')):
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fail('Duplicate keysalt detection failed for keysalt ' + ks)
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realm.run([kadminl, 'delprinc', 'ks_princ'])
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# All in-tree callers request duplicate suppression from
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# krb5_string_to_keysalts(); we should check that it works, respects
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# aliases, and doesn't result in an infinite loop.
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dup_kstypes = ['arcfour-hmac-md5:normal,rc4-hmac:normal',
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'aes256-cts-hmac-sha1-96:normal,aes128-cts,aes256-cts',
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'aes256-cts-hmac-sha1-96:normal,aes256-cts:special,' +
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'aes256-cts-hmac-sha1-96:normal']
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for ks in dup_kstypes:
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test_dup(realm, ks)
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success("Salt types")
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