summaryrefslogtreecommitdiffstats
path: root/Modules
diff options
context:
space:
mode:
authorChristian Heimes <christian@cheimes.de>2012-09-20 10:42:54 (GMT)
committerChristian Heimes <christian@cheimes.de>2012-09-20 10:42:54 (GMT)
commit63b38bbd1d36538dac8a21ba33117bd6800e58b4 (patch)
tree7bc3f61d077e5f135ed2c42873bd460408c591b6 /Modules
parentf022aa502d1c3730f11a17e8534ea1ac91db4a8c (diff)
downloadcpython-63b38bbd1d36538dac8a21ba33117bd6800e58b4.zip
cpython-63b38bbd1d36538dac8a21ba33117bd6800e58b4.tar.gz
cpython-63b38bbd1d36538dac8a21ba33117bd6800e58b4.tar.bz2
Issue #15977: Fix memory leak in Modules/_ssl.c when the function _set_npn_protocols() is called multiple times
Diffstat (limited to 'Modules')
-rw-r--r--Modules/_ssl.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index 1104a4e..1516b87 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -1713,6 +1713,9 @@ context_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
return NULL;
}
self->ctx = ctx;
+#ifdef OPENSSL_NPN_NEGOTIATED
+ self->npn_protocols = NULL;
+#endif
/* Defaults */
SSL_CTX_set_verify(self->ctx, SSL_VERIFY_NONE, NULL);
SSL_CTX_set_options(self->ctx,
@@ -1812,6 +1815,10 @@ _set_npn_protocols(PySSLContext *self, PyObject *args)
if (!PyArg_ParseTuple(args, "y*:set_npn_protocols", &protos))
return NULL;
+ if (self->npn_protocols != NULL) {
+ PyMem_Free(self->npn_protocols);
+ }
+
self->npn_protocols = PyMem_Malloc(protos.len);
if (self->npn_protocols == NULL) {
PyBuffer_Release(&protos);