from k5test import *

from filecmp import cmp

def dump_compare(realm, opt, srcfile):

    mark('dump comparison against %s' % os.path.basename(srcfile))

    realm.run([kdb5_util, 'dump'] + opt + [dumpfile])

    if not cmp(srcfile, dumpfile, False):

        fail('Dump output does not match %s' % srcfile)

def load_dump_check_compare(realm, opt, srcfile):

    mark('load check from %s' % os.path.basename(srcfile))

    realm.run([kdb5_util, 'destroy', '-f'])

    realm.run([kdb5_util, 'load'] + opt + [srcfile])

    realm.run([kadminl, 'getprincs'], expected_msg='user@')

    realm.run([kadminl, 'getprinc', 'nokeys'],

              expected_msg='Number of keys: 0')

    realm.run([kadminl, 'getpols'], expected_msg='testpol')

    dump_compare(realm, opt, srcfile)

for realm in multidb_realms(start_kdc=False):

    # Make sure we can dump and load an ordinary database, and that

    # principals and policies survive a dump/load cycle.

    realm.run([kadminl, 'addpol', 'fred'])

    # Create a dump file.

    dumpfile = os.path.join(realm.testdir, 'dump')

    realm.run([kdb5_util, 'dump', dumpfile])

    # Write additional policy records to the dump.  Use the 1.8 format for

    # one of them, to test retroactive compatibility (for issue #8213).

    f = open('testdir/dump', 'a')

    f.write('policy\tcompat\t0\t0\t3\t4\t5\t0\t0\t0\t0\n')

    f.write('policy\tbarney\t0\t0\t1\t1\t1\t0\t0\t0\t0\t0\t0\t0\t-\t1\t2\t28\t'

            'fd100f5064625f6372656174696f6e404b5242544553542e434f4d00\n')

    f.close()

    # Destroy and load the database; check that the policies exist.

    # Spot-check principal and policy fields.

    mark('reload after dump')

    realm.run([kdb5_util, 'destroy', '-f'])

    realm.run([kdb5_util, 'load', dumpfile])

    out = realm.run([kadminl, 'getprincs'])

    if realm.user_princ not in out or realm.host_princ not in out:

        fail('Missing principal after load')

    out = realm.run([kadminl, 'getprinc', realm.user_princ])

    if 'Expiration date: [never]' not in out or 'MKey: vno 1' not in out:

        fail('Principal has wrong value after load')

    out = realm.run([kadminl, 'getpols'])

    if 'fred\n' not in out or 'barney\n' not in out:

        fail('Missing policy after load')

    realm.run([kadminl, 'getpol', 'compat'],

              expected_msg='Number of old keys kept: 5')

    realm.run([kadminl, 'getpol', 'barney'],

              expected_msg='Number of old keys kept: 1')

    # Dump/load again, and make sure everything is still there.

    mark('second reload')

    realm.run([kdb5_util, 'dump', dumpfile])

    realm.run([kdb5_util, 'load', dumpfile])

    out = realm.run([kadminl, 'getprincs'])

    if realm.user_princ not in out or realm.host_princ not in out:

        fail('Missing principal after load')

    out = realm.run([kadminl, 'getpols'])

    if 'compat\n' not in out or 'fred\n' not in out or 'barney\n' not in out:

        fail('Missing policy after second load')

    srcdumpdir = os.path.join(srctop, 'tests', 'dumpfiles')

    srcdump = os.path.join(srcdumpdir, 'dump')

    srcdump_r18 = os.path.join(srcdumpdir, 'dump.r18')

    srcdump_r13 = os.path.join(srcdumpdir, 'dump.r13')

    srcdump_b7 = os.path.join(srcdumpdir, 'dump.b7')

    # Load a dump file from the source directory.

    realm.run([kdb5_util, 'destroy', '-f'])

    realm.run([kdb5_util, 'load', srcdump])

    realm.run([kdb5_util, 'stash', '-P', 'master'])

    # Dump the resulting DB in each non-iprop format and compare with

    # expected outputs.

    dump_compare(realm, [], srcdump)

    dump_compare(realm, ['-r18'], srcdump_r18)

    dump_compare(realm, ['-r13'], srcdump_r13)

    dump_compare(realm, ['-b7'], srcdump_b7)

    # Load each format of dump, check it, re-dump it, and compare.

    load_dump_check_compare(realm, ['-r18'], srcdump_r18)

    load_dump_check_compare(realm, ['-r13'], srcdump_r13)

    load_dump_check_compare(realm, ['-b7'], srcdump_b7)

success('Dump/load tests')