From a57cb3e23d5ac918a69d0aab918470ff0b429ff9 Mon Sep 17 00:00:00 2001 From: John Snow Date: Thu, 18 Nov 2021 15:46:20 -0500 Subject: [PATCH] python/aqmp: fix send_fd_scm for python 3.6.x 3.6 doesn't play keepaway with the socket object, so we don't need to go fishing for it on this version. In fact, so long as 'sendmsg' is still available, it's probably preferable to just use that method and only go fishing for forbidden details when we absolutely have to. Reported-by: Thomas Huth Signed-off-by: John Snow Reviewed-by: Willian Rampazzo Message-id: 20211118204620.1897674-8-jsnow@redhat.com Signed-off-by: John Snow --- python/qemu/aqmp/qmp_client.py | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/python/qemu/aqmp/qmp_client.py b/python/qemu/aqmp/qmp_client.py index f987da02eb..8105e29fa8 100644 --- a/python/qemu/aqmp/qmp_client.py +++ b/python/qemu/aqmp/qmp_client.py @@ -639,9 +639,12 @@ class QMPClient(AsyncProtocol[Message], Events): if sock.family != socket.AF_UNIX: raise AQMPError("Sending file descriptors requires a UNIX socket.") - # Void the warranty sticker. - # Access to sendmsg in asyncio is scheduled for removal in Python 3.11. - sock = sock._sock # pylint: disable=protected-access + if not hasattr(sock, 'sendmsg'): + # We need to void the warranty sticker. + # Access to sendmsg is scheduled for removal in Python 3.11. + # Find the real backing socket to use it anyway. + sock = sock._sock # pylint: disable=protected-access + sock.sendmsg( [b' '], [(socket.SOL_SOCKET, socket.SCM_RIGHTS, struct.pack('@i', fd))]