commit 186b09101f828b7075c6b3aea096a5cccb20dc71 Author: Damian Johnson atagar@torproject.org Date: Thu Feb 5 08:56:02 2015 -0800

Test 'tor --hash-password'

Checking both in the happy case and when we don't provide an argument. --- test/integ/process.py | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+)

diff --git a/test/integ/process.py b/test/integ/process.py index ef4182c..e1a1432 100644 --- a/test/integ/process.py +++ b/test/integ/process.py @@ -2,6 +2,9 @@ Tests the stem.process functions with various use cases. """

+import binascii +import hashlib +import re import shutil import subprocess import tempfile @@ -71,6 +74,38 @@ class TestProcess(unittest.TestCase): self.assertTrue("[warn] Failed to parse/validate config: Unknown option 'invalid_argument'. Failing." in output) self.assertTrue("[err] Reading config failed--see warnings above." in output)

+ def test_hash_password(self): + """ + Hash a controller password. It's salted so can't assert that we get a + particular value. Also, tor's output is unnecessarily verbose so including + hush to cut it down. + """ + + output = self.run_tor('--hush', '--hash-password', 'my_password') + self.assertTrue(re.match("^16:[0-9A-F]{58}\n$", output)) + + # I'm not gonna even pretend to understand the following. Ported directly + # from tor's test_cmdline_args.py. + + output_hex = binascii.a2b_hex(output.strip()[3:]) + salt, how, hashed = output_hex[:8], ord(output_hex[8]), output_hex[9:] + count = (16 + (how & 15)) << ((how >> 4) + 6) + stuff = salt + 'my_password' + repetitions = count // len(stuff) + 1 + inp = (stuff * repetitions)[:count] + + self.assertEqual(hashlib.sha1(inp).digest(), hashed) + + def test_hash_password_requires_argument(self): + """ + Check that 'tor --hash-password' balks if not provided with something to + hash. + """ + + output = self.run_tor('--hash-password', expect_failure = True) + self.assertTrue("[warn] Command-line option '--hash-password' with no value. Failing." in output) + self.assertTrue("[err] Reading config failed--see warnings above." in output) + def test_launch_tor_with_config(self): """ Exercises launch_tor_with_config.