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-rw-r--r--Lib/test/test_socket.py4
-rw-r--r--Misc/NEWS3
-rw-r--r--Modules/socketmodule.c1
3 files changed, 7 insertions, 1 deletions
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index 60e5bf7..5a8aa5a 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -637,6 +637,10 @@ class GeneralModuleTests(unittest.TestCase):
flags=socket.AI_PASSIVE)
self.assertEqual(a, b)
+ def test_getnameinfo(self):
+ # only IP addresses are allowed
+ self.assertRaises(socket.error, socket.getnameinfo, ('mail.python.org',0), 0)
+
def test_idna(self):
# these should all be successful
socket.gethostbyname('испытание.python.org')
diff --git a/Misc/NEWS b/Misc/NEWS
index 1cb67cc..7aebbe7 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -70,7 +70,8 @@ Extensions
----------
- Issue #1027206: Support IDNA in gethostbyname, gethostbyname_ex,
- getaddrinfo and gethostbyaddr.
+ getaddrinfo and gethostbyaddr. getnameinfo is now restricted to numeric
+ addresses as input.
- Issue #9214: Set operations on a KeysView or ItemsView in collections
now correctly return a set. (Patch by Eli Bendersky.)
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 709c85e..8c743d8 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -3969,6 +3969,7 @@ socket_getnameinfo(PyObject *self, PyObject *args)
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_DGRAM; /* make numeric port happy */
+ hints.ai_flags = AI_NUMERICHOST; /* don't do any name resolution */
Py_BEGIN_ALLOW_THREADS
ACQUIRE_GETADDRINFO_LOCK
error = getaddrinfo(hostp, pbuf, &hints, &res);