Merge pull request paramiko#656 from 56quarters/bugfix/499

Update SSHConfig.parse to strip leading and trailing whitespace
pkuong · Jan 19, 2016 · 10bb177 · 10bb177
2 parents d0d0c32 + 0c93fa9
commit 10bb177
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Showing 2 changed files with 8 additions and 5 deletions.
diff --git a/paramiko/config.py b/paramiko/config.py
@@ -55,7 +55,9 @@ def parse(self, file_obj):
         """
         host = {"host": ['*'], "config": {}}
         for line in file_obj:
-            line = line.rstrip('\r\n').lstrip()
+            # Strip any leading or trailing whitespace from the line.
+            # See https://github.com/paramiko/paramiko/issues/499 for more info.
+            line = line.strip()
             if not line or line.startswith('#'):
                 continue
             if '=' in line:

diff --git a/tests/test_util.py b/tests/test_util.py
@@ -30,6 +30,7 @@
 
 from tests.util import ParamikoTest
 
+# Note some lines in this configuration have trailing spaces on purpose
 test_config_file = """\
 Host *
     User robey
@@ -105,7 +106,7 @@ def test_2_parse_config(self):
         self.assertEqual(config._config,
             [{'host': ['*'], 'config': {}}, {'host': ['*'], 'config': {'identityfile': ['~/.ssh/id_rsa'], 'user': 'robey'}},
             {'host': ['*.example.com'], 'config': {'user': 'bjork', 'port': '3333'}},
-            {'host': ['*'], 'config': {'crazy': 'something dumb  '}},
+            {'host': ['*'], 'config': {'crazy': 'something dumb'}},
             {'host': ['spoo.example.com'], 'config': {'crazy': 'something else'}}])
 
     def test_3_host_config(self):
@@ -114,14 +115,14 @@ def test_3_host_config(self):
         config = paramiko.util.parse_ssh_config(f)
 
         for host, values in {
-            'irc.danger.com':   {'crazy': 'something dumb  ',
+            'irc.danger.com':   {'crazy': 'something dumb',
                                 'hostname': 'irc.danger.com',
                                 'user': 'robey'},
-            'irc.example.com':  {'crazy': 'something dumb  ',
+            'irc.example.com':  {'crazy': 'something dumb',
                                 'hostname': 'irc.example.com',
                                 'user': 'robey',
                                 'port': '3333'},
-            'spoo.example.com': {'crazy': 'something dumb  ',
+            'spoo.example.com': {'crazy': 'something dumb',
                                 'hostname': 'spoo.example.com',
                                 'user': 'robey',
                                 'port': '3333'}