1 files changed, 292 insertions, 0 deletions
diff --git a/src/test/test_cmdline_args.py b/src/test/test_cmdline_args.py
new file mode 100755
index 000000000..55d1cdb80
--- /dev/null
+++ b/src/test/test_cmdline_args.py
@@ -0,0 +1,292 @@
+#!/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()