import netrc, os, unittest, sys, textwrap from test.support import os_helper try: import pwd except ImportError: pwd = None temp_filename = os_helper.TESTFN class NetrcTestCase(unittest.TestCase): def make_nrc(self, test_data): test_data = textwrap.dedent(test_data) mode = 'w' if sys.platform != 'cygwin': mode += 't' with open(temp_filename, mode, encoding="utf-8") as fp: fp.write(test_data) try: nrc = netrc.netrc(temp_filename) finally: os.unlink(temp_filename) return nrc def test_toplevel_non_ordered_tokens(self): nrc = self.make_nrc("""\ machine host.domain.com password pass1 login log1 account acct1 default login log2 password pass2 account acct2 """) self.assertEqual(nrc.hosts['host.domain.com'], ('log1', 'acct1', 'pass1')) self.assertEqual(nrc.hosts['default'], ('log2', 'acct2', 'pass2')) def test_toplevel_tokens(self): nrc = self.make_nrc("""\ machine host.domain.com login log1 password pass1 account acct1 default login log2 password pass2 account acct2 """) self.assertEqual(nrc.hosts['host.domain.com'], ('log1', 'acct1', 'pass1')) self.assertEqual(nrc.hosts['default'], ('log2', 'acct2', 'pass2')) def test_macros(self): data = """\ macdef macro1 line1 line2 macdef macro2 line3 line4 """ nrc = self.make_nrc(data) self.assertEqual(nrc.macros, {'macro1': ['line1\n', 'line2\n'], 'macro2': ['line3\n', 'line4\n']}) # strip the last \n self.assertRaises(netrc.NetrcParseError, self.make_nrc, data.rstrip(' ')[:-1]) def test_optional_tokens(self): data = ( "machine host.domain.com", "machine host.domain.com login", "machine host.domain.com account", "machine host.domain.com password", "machine host.domain.com login \"\" account", "machine host.domain.com login \"\" password", "machine host.domain.com account \"\" password" ) for item in data: nrc = self.make_nrc(item) self.assertEqual(nrc.hosts['host.domain.com'], ('', '', '')) data = ( "default", "default login", "default account", "default password", "default login \"\" account", "default login \"\" password", "default account \"\" password" ) for item in data: nrc = self.make_nrc(item) self.assertEqual(nrc.hosts['default'], ('', '', '')) def test_invalid_tokens(self): data = ( "invalid host.domain.com", "machine host.domain.com invalid", "machine host.domain.com login log password pass account acct invalid", "default host.domain.com invalid", "default host.domain.com login log password pass account acct invalid" ) for item in data: self.assertRaises(netrc.NetrcParseError, self.make_nrc, item) def _test_token_x(self, nrc, token, value): nrc = self.make_nrc(nrc) if token == 'login': self.assertEqual(nrc.hosts['host.domain.com'], (value, 'acct', 'pass')) elif token == 'account': self.assertEqual(nrc.hosts['host.domain.com'], ('log', value, 'pass')) elif token == 'password': self.assertEqual(nrc.hosts['host.domain.com'], ('log', 'acct', value)) def test_token_value_quotes(self): self._test_token_x("""\ machine host.domain.com login "log" password pass account acct """, 'login', 'log') self._test_token_x("""\ machine host.domain.com login log password pass account "acct" """, 'account', 'acct') self._test_token_x("""\ machine host.domain.com login log password "pass" account acct """, 'password', 'pass') def test_token_value_escape(self): self._test_token_x("""\ machine host.domain.com login \\"log password pass account acct """, 'login', '"log') self._test_token_x("""\ machine host.domain.com login "\\"log" password pass account acct """, 'login', '"log') self._test_token_x("""\ machine host.domain.com login log password pass account \\"acct """, 'account', '"acct') self._test_token_x("""\ machine host.domain.com login log password pass account "\\"acct" """, 'account', '"acct') self._test_token_x("""\ machine host.domain.com login log password \\"pass account acct """, 'password', '"pass') self._test_token_x("""\ machine host.domain.com login log password "\\"pass" account acct """, 'password', '"pass') def test_token_value_whitespace(self): self._test_token_x("""\ machine host.domain.com login "lo g" password pass account acct """, 'login', 'lo g') self._test_token_x("""\ machine host.domain.com login log password "pas s" account acct """, 'password', 'pas s') self._test_token_x("""\ machine host.domain.com login log password pass account "acc t" """, 'account', 'acc t') def test_token_value_non_ascii(self): self._test_token_x("""\ machine host.domain.com login \xa1\xa2 password pass account acct """, 'login', '\xa1\xa2') self._test_token_x("""\ machine host.domain.com login log password pass account \xa1\xa2 """, 'account', '\xa1\xa2') self._test_token_x("""\ machine host.domain.com login log password \xa1\xa2 account acct """, 'password', '\xa1\xa2') def test_token_value_leading_hash(self): self._test_token_x("""\ machine host.domain.com login #log password pass account acct """, 'login', '#log') self._test_token_x("""\ machine host.domain.com login log password pass account #acct """, 'account', '#acct') self._test_token_x("""\ machine host.domain.com login log password #pass account acct """, 'password', '#pass') def test_token_value_trailing_hash(self): self._test_token_x("""\ machine host.domain.com login log# password pass account acct """, 'login', 'log#') self._test_token_x("""\ machine host.domain.com login log password pass account acct# """, 'account', 'acct#') self._test_token_x("""\ machine host.domain.com login log password pass# account acct """, 'password', 'pass#') def test_token_value_internal_hash(self): self._test_token_x("""\ machine host.domain.com login lo#g password pass account acct """, 'login', 'lo#g') self._test_token_x("""\ machine host.domain.com login log password pass account ac#ct """, 'account', 'ac#ct') self._test_token_x("""\ machine host.domain.com login log password pa#ss account acct """, 'password', 'pa#ss') def _test_comment(self, nrc, passwd='pass'): nrc = self.make_nrc(nrc) self.assertEqual(nrc.hosts['foo.domain.com'], ('bar', '', passwd)) self.assertEqual(nrc.hosts['bar.domain.com'], ('foo', '', 'pass')) def test_comment_before_machine_line(self): self._test_comment("""\ # comment machine foo.domain.com login bar password pass machine bar.domain.com login foo password pass """) def test_comment_before_machine_line_no_space(self): self._test_comment("""\ #comment machine foo.domain.com login bar password pass machine bar.domain.com login foo password pass """) def test_comment_before_machine_line_hash_only(self): self._test_comment("""\ # machine foo.domain.com login bar password pass machine bar.domain.com login foo password pass """) def test_comment_after_machine_line(self): self._test_comment("""\ machine foo.domain.com login bar password pass # comment machine bar.domain.com login foo password pass """) self._test_comment("""\ machine foo.domain.com login bar password pass machine bar.domain.com login foo password pass # comment """) def test_comment_after_machine_line_no_space(self): self._test_comment("""\ machine foo.domain.com login bar password pass #comment machine bar.domain.com login foo password pass """) self._test_comment("""\ machine foo.domain.com login bar password pass machine bar.domain.com login foo password pass #comment """) def test_comment_after_machine_line_hash_only(self): self._test_comment("""\ machine foo.domain.com login bar password pass # machine bar.domain.com login foo password pass """) self._test_comment("""\ machine foo.domain.com login bar password pass machine bar.domain.com login foo password pass # """) def test_comment_at_end_of_machine_line(self): self._test_comment("""\ machine foo.domain.com login bar password pass # comment machine bar.domain.com login foo password pass """) def test_comment_at_end_of_machine_line_no_space(self): self._test_comment("""\ machine foo.domain.com login bar password pass #comment machine bar.domain.com login foo password pass """) def test_comment_at_end_of_machine_line_pass_has_hash(self): self._test_comment("""\ machine foo.domain.com login bar password #pass #comment machine bar.domain.com login foo password pass """, '#pass') @unittest.skipUnless(os.name == 'posix', 'POSIX only test') @unittest.skipIf(pwd is None, 'security check requires pwd module') @os_helper.skip_unless_working_chmod def test_security(self): # This test is incomplete since we are normally not run as root and # therefore can't test the file ownership being wrong. d = os_helper.TESTFN os.mkdir(d) self.addCleanup(os_helper.rmtree, d) fn = os.path.join(d, '.netrc') with open(fn, 'wt') as f: f.write("""\ machine foo.domain.com login bar password pass default login foo password pass """) with os_helper.EnvironmentVarGuard() as environ: environ.set('HOME', d) os.chmod(fn, 0o600) nrc = netrc.netrc() self.assertEqual(nrc.hosts['foo.domain.com'], ('bar', '', 'pass')) os.chmod(fn, 0o622) self.assertRaises(netrc.NetrcParseError, netrc.netrc) with open(fn, 'wt') as f: f.write("""\ machine foo.domain.com login anonymous password pass default login foo password pass """) with os_helper.EnvironmentVarGuard() as environ: environ.set('HOME', d) os.chmod(fn, 0o600) nrc = netrc.netrc() self.assertEqual(nrc.hosts['foo.domain.com'], ('anonymous', '', 'pass')) os.chmod(fn, 0o622) self.assertEqual(nrc.hosts['foo.domain.com'], ('anonymous', '', 'pass')) if __name__ == "__main__": unittest.main() SIMPAN PERUBAHAN