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path: root/tests/unittests/test_sshutil.py
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from unittest import TestCase
from cloudinit import ssh_util


VALID_CONTENT = {
    'dsa': (
        "AAAAB3NzaC1kc3MAAACBAIrjOQSlSea19bExXBMBKBvcLhBoVvNBjCppNzllipF"
        "W4jgIOMcNanULRrZGjkOKat6MWJNetSbV1E6IOFDQ16rQgsh/OvYU9XhzM8seLa"
        "A21VszZuhIV7/2DE3vxu7B54zVzueG1O1Deq6goQCRGWBUnqO2yluJiG4HzrnDa"
        "jzRAAAAFQDMPO96qXd4F5A+5b2f2MO7SpVomQAAAIBpC3K2zIbDLqBBs1fn7rsv"
        "KcJvwihdlVjG7UXsDB76P2GNqVG+IlYPpJZ8TO/B/fzTMtrdXp9pSm9OY1+BgN4"
        "REsZ2WNcvfgY33aWaEM+ieCcQigvxrNAF2FTVcbUIIxAn6SmHuQSWrLSfdHc8H7"
        "hsrgeUPPdzjBD/cv2ZmqwZ1AAAAIAplIsScrJut5wJMgyK1JG0Kbw9JYQpLe95P"
        "obB069g8+mYR8U0fysmTEdR44mMu0VNU5E5OhTYoTGfXrVrkR134LqFM2zpVVbE"
        "JNDnIqDHxTkc6LY2vu8Y2pQ3/bVnllZZOda2oD5HQ7ovygQa6CH+fbaZHbdDUX/"
        "5z7u2rVAlDw=="
    ),
    'ecdsa': (
        "AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBITrGBB3cgJ"
        "J7fPxvtMW9H3oRisNpJ3OAslxZeyP7I0A9BPAW0RQIwHVtVnM7zrp4nI+JLZov/"
        "Ql7lc2leWL7CY="
    ),
    'rsa': (
        "AAAAB3NzaC1yc2EAAAABIwAAAQEA3I7VUf2l5gSn5uavROsc5HRDpZdQueUq5oz"
        "emNSj8T7enqKHOEaFoU2VoPgGEWC9RyzSQVeyD6s7APMcE82EtmW4skVEgEGSbD"
        "c1pvxzxtchBj78hJP6Cf5TCMFSXw+Fz5rF1dR23QDbN1mkHs7adr8GW4kSWqU7Q"
        "7NDwfIrJJtO7Hi42GyXtvEONHbiRPOe8stqUly7MvUoN+5kfjBM8Qqpfl2+FNhT"
        "YWpMfYdPUnE7u536WqzFmsaqJctz3gBxH9Ex7dFtrxR4qiqEr9Qtlu3xGn7Bw07"
        "/+i1D+ey3ONkZLN+LQ714cgj8fRS4Hj29SCmXp5Kt5/82cD/VN3NtHw=="
    ),
}

TEST_OPTIONS = ("no-port-forwarding,no-agent-forwarding,no-X11-forwarding,"
    'command="echo \'Please login as the user \"ubuntu\" rather than the'
    'user \"root\".\';echo;sleep 10"')

class TestAuthKeyLineParser(TestCase):
    def test_simple_parse(self):
        # test key line with common 3 fields (keytype, base64, comment)
        parser = ssh_util.AuthKeyLineParser()
        for ktype in ['rsa', 'ecdsa', 'dsa']:
            content = VALID_CONTENT[ktype]
            comment = 'user-%s@host' % ktype
            line = ' '.join((ktype, content, comment,))
            key = parser.parse(line)

            self.assertEqual(key.base64, content)
            self.assertFalse(key.options)
            self.assertEqual(key.comment, comment)
            self.assertEqual(key.keytype, ktype)

    def test_parse_no_comment(self):
        # test key line with key type and base64 only
        parser = ssh_util.AuthKeyLineParser()
        for ktype in ['rsa', 'ecdsa', 'dsa']:
            content = VALID_CONTENT[ktype]
            line = ' '.join((ktype, content,))
            key = parser.parse(line)

            self.assertEqual(key.base64, content)
            self.assertFalse(key.options)
            self.assertFalse(key.comment)
            self.assertEqual(key.keytype, ktype)
    
    def test_parse_with_options(self):
        # test key line with options in it
        parser = ssh_util.AuthKeyLineParser()
        options = TEST_OPTIONS
        for ktype in ['rsa', 'ecdsa', 'dsa']:
            content = VALID_CONTENT[ktype]
            comment = 'user-%s@host' % ktype
            line = ' '.join((options, ktype, content, comment,))
            key = parser.parse(line)

            self.assertEqual(key.base64, content)
            self.assertEqual(key.options, options)
            self.assertEqual(key.comment, comment)
            self.assertEqual(key.keytype, ktype)

    def test_parse_with_defopt(self):
        # test key line with key type and base64 only
        parser = ssh_util.AuthKeyLineParser()
        for ktype in ['rsa', 'ecdsa', 'dsa']:
            content = VALID_CONTENT[ktype]
            line = ' '.join((ktype, content,))
            myopts = "no-port-forwarding,no-agent-forwarding"
            key = parser.parse(line, myopts)

            self.assertEqual(key.base64, content)
            self.assertEqual(key.options, myopts)
            self.assertFalse(key.comment)
            self.assertEqual(key.keytype, ktype)

# vi: ts=4 expandtab