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#!/usr/bin/python
import binascii
import hashlib
import os
import re
import shutil
import subprocess
import sys
import tempfile
import unittest
TOR = "./src/or/tor"
TOP_SRCDIR = "."
if len(sys.argv) > 1:
TOR = sys.argv[1]
del sys.argv[1]
if len(sys.argv) > 1:
TOP_SRCDIR = sys.argv[1]
del sys.argv[1]
class UnexpectedSuccess(Exception):
pass
class UnexpectedFailure(Exception):
pass
if sys.version < '3':
def b2s(b):
return b
def s2b(s):
return s
def NamedTemporaryFile():
return tempfile.NamedTemporaryFile(delete=False)
else:
def b2s(b):
return str(b, 'ascii')
def s2b(s):
return s.encode('ascii')
def NamedTemporaryFile():
return tempfile.NamedTemporaryFile(mode="w",delete=False,encoding="ascii")
def contents(fn):
f = open(fn)
try:
return f.read()
finally:
f.close()
def run_tor(args, failure=False):
p = subprocess.Popen([TOR] + args, stdout=subprocess.PIPE)
output, _ = p.communicate()
result = p.poll()
if result and not failure:
raise UnexpectedFailure()
elif not result and failure:
raise UnexpectedSuccess()
return b2s(output)
def spaceify_fp(fp):
for i in range(0, len(fp), 4):
yield fp[i:i+4]
def lines(s):
out = s.split("\n")
if out and out[-1] == '':
del out[-1]
return out
def strip_log_junk(line):
m = re.match(r'([^\[]+\[[a-z]*\] *)(.*)', line)
if not m:
return ""+line
return m.group(2).strip()
def randstring(entropy_bytes):
s = os.urandom(entropy_bytes)
return b2s(binascii.b2a_hex(s))
def findLineContaining(lines, s):
for ln in lines:
if s in ln:
return True
return False
class CmdlineTests(unittest.TestCase):
def test_version(self):
out = run_tor(["--version"])
self.assertTrue(out.startswith("Tor version "))
self.assertEqual(len(lines(out)), 1)
def test_quiet(self):
out = run_tor(["--quiet", "--quumblebluffin", "1"], failure=True)
self.assertEqual(out, "")
def test_help(self):
out = run_tor(["--help"], failure=False)
out2 = run_tor(["-h"], failure=False)
self.assertTrue(out.startswith("Copyright (c) 2001"))
self.assertTrue(out.endswith(
"tor -f <torrc> [args]\n"
"See man page for options, or https://www.torproject.org/ for documentation.\n"))
self.assertTrue(out == out2)
def test_hush(self):
torrc = NamedTemporaryFile()
torrc.close()
try:
out = run_tor(["--hush", "-f", torrc.name,
"--quumblebluffin", "1"], failure=True)
finally:
os.unlink(torrc.name)
self.assertEqual(len(lines(out)), 2)
ln = [ strip_log_junk(l) for l in lines(out) ]
self.assertEqual(ln[0], "Failed to parse/validate config: Unknown option 'quumblebluffin'. Failing.")
self.assertEqual(ln[1], "Reading config failed--see warnings above.")
def test_missing_argument(self):
out = run_tor(["--hush", "--hash-password"], failure=True)
self.assertEqual(len(lines(out)), 2)
ln = [ strip_log_junk(l) for l in lines(out) ]
self.assertEqual(ln[0], "Command-line option '--hash-password' with no value. Failing.")
def test_hash_password(self):
out = run_tor(["--hash-password", "woodwose"])
result = lines(out)[-1]
self.assertEqual(result[:3], "16:")
self.assertEqual(len(result), 61)
r = binascii.a2b_hex(result[3:])
self.assertEqual(len(r), 29)
salt, how, hashed = r[:8], r[8], r[9:]
self.assertEqual(len(hashed), 20)
if type(how) == type("A"):
how = ord(how)
count = (16 + (how & 15)) << ((how >> 4) + 6)
stuff = salt + s2b("woodwose")
repetitions = count // len(stuff) + 1
inp = stuff * repetitions
inp = inp[:count]
self.assertEqual(hashlib.sha1(inp).digest(), hashed)
def test_digests(self):
main_c = os.path.join(TOP_SRCDIR, "src", "or", "main.c")
if os.stat(TOR).st_mtime < os.stat(main_c).st_mtime:
self.skipTest(TOR+" not up to date")
out = run_tor(["--digests"])
main_line = [ l for l in lines(out) if l.endswith("/main.c") ]
digest, name = main_line[0].split()
f = open(main_c, 'rb')
actual = hashlib.sha1(f.read()).hexdigest()
f.close()
self.assertEqual(digest, actual)
def test_dump_options(self):
default_torrc = NamedTemporaryFile()
torrc = NamedTemporaryFile()
torrc.write("SocksPort 9999")
torrc.close()
default_torrc.write("SafeLogging 0")
default_torrc.close()
out_sh = out_nb = out_fl = None
opts = [ "-f", torrc.name,
"--defaults-torrc", default_torrc.name ]
try:
out_sh = run_tor(["--dump-config", "short"]+opts)
out_nb = run_tor(["--dump-config", "non-builtin"]+opts)
out_fl = run_tor(["--dump-config", "full"]+opts)
out_nr = run_tor(["--dump-config", "bliznert"]+opts,
failure=True)
out_verif = run_tor(["--verify-config"]+opts)
finally:
os.unlink(torrc.name)
os.unlink(default_torrc.name)
self.assertEqual(len(lines(out_sh)), 2)
self.assertTrue(lines(out_sh)[0].startswith("DataDirectory "))
self.assertEqual(lines(out_sh)[1:],
[ "SocksPort 9999" ])
self.assertEqual(len(lines(out_nb)), 2)
self.assertEqual(lines(out_nb),
[ "SafeLogging 0",
"SocksPort 9999" ])
out_fl = lines(out_fl)
self.assertTrue(len(out_fl) > 100)
self.assertTrue("SocksPort 9999" in out_fl)
self.assertTrue("SafeLogging 0" in out_fl)
self.assertTrue("ClientOnly 0" in out_fl)
self.assertTrue(out_verif.endswith("Configuration was valid\n"))
def test_list_fingerprint(self):
tmpdir = tempfile.mkdtemp(prefix='ttca_')
torrc = NamedTemporaryFile()
torrc.write("ORPort 9999\n")
torrc.write("DataDirectory %s\n"%tmpdir)
torrc.write("Nickname tippi")
torrc.close()
opts = ["-f", torrc.name]
try:
out = run_tor(["--list-fingerprint"]+opts)
fp = contents(os.path.join(tmpdir, "fingerprint"))
finally:
os.unlink(torrc.name)
shutil.rmtree(tmpdir)
out = lines(out)
lastlog = strip_log_junk(out[-2])
lastline = out[-1]
fp = fp.strip()
nn_fp = fp.split()[0]
space_fp = " ".join(spaceify_fp(fp.split()[1]))
self.assertEqual(lastlog,
"Your Tor server's identity key fingerprint is '%s'"%fp)
self.assertEqual(lastline, "tippi %s"%space_fp)
self.assertEqual(nn_fp, "tippi")
def test_list_options(self):
out = lines(run_tor(["--list-torrc-options"]))
self.assertTrue(len(out)>100)
self.assertTrue(out[0] <= 'AccountingMax')
self.assertTrue("UseBridges" in out)
self.assertTrue("SocksPort" in out)
def test_cmdline_args(self):
default_torrc = NamedTemporaryFile()
torrc = NamedTemporaryFile()
torrc.write("SocksPort 9999\n")
torrc.write("SocksPort 9998\n")
torrc.write("ORPort 9000\n")
torrc.write("ORPort 9001\n")
torrc.write("Nickname eleventeen\n")
torrc.write("ControlPort 9500\n")
torrc.close()
default_torrc.write("")
default_torrc.close()
out_sh = out_nb = out_fl = None
opts = [ "-f", torrc.name,
"--defaults-torrc", default_torrc.name,
"--dump-config", "short" ]
try:
out_1 = run_tor(opts)
out_2 = run_tor(opts+["+ORPort", "9003",
"SocksPort", "9090",
"/ControlPort",
"/TransPort",
"+ExtORPort", "9005"])
finally:
os.unlink(torrc.name)
os.unlink(default_torrc.name)
out_1 = [ l for l in lines(out_1) if not l.startswith("DataDir") ]
out_2 = [ l for l in lines(out_2) if not l.startswith("DataDir") ]
self.assertEqual(out_1,
["ControlPort 9500",
"Nickname eleventeen",
"ORPort 9000",
"ORPort 9001",
"SocksPort 9999",
"SocksPort 9998"])
self.assertEqual(out_2,
["ExtORPort 9005",
"Nickname eleventeen",
"ORPort 9000",
"ORPort 9001",
"ORPort 9003",
"SocksPort 9090"])
def test_missing_torrc(self):
fname = "nonexistent_file_"+randstring(8)
out = run_tor(["-f", fname, "--verify-config"], failure=True)
ln = [ strip_log_junk(l) for l in lines(out) ]
self.assertTrue("Unable to open configuration file" in ln[-2])
self.assertTrue("Reading config failed" in ln[-1])
out = run_tor(["-f", fname, "--verify-config", "--ignore-missing-torrc"])
ln = [ strip_log_junk(l) for l in lines(out) ]
self.assertTrue(findLineContaining(ln, ", using reasonable defaults"))
self.assertTrue("Configuration was valid" in ln[-1])
if __name__ == '__main__':
unittest.main()
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