diff options
| -rw-r--r-- | Modules/socketmodule.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c index 7176674..d8c81fe 100644 --- a/Modules/socketmodule.c +++ b/Modules/socketmodule.c @@ -1674,7 +1674,8 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args, if (len == 0) { ifr.ifr_ifindex = 0; } else if (len < sizeof(ifr.ifr_name)) { - strcpy(ifr.ifr_name, PyBytes_AS_STRING(interfaceName)); + strncpy(ifr.ifr_name, PyBytes_AS_STRING(interfaceName), sizeof(ifr.ifr_name)); + ifr.ifr_name[(sizeof(ifr.ifr_name))-1] = '\0'; if (ioctl(s->sock_fd, SIOCGIFINDEX, &ifr) < 0) { s->errorhandler(); Py_DECREF(interfaceName); |