blob: dae1ac7ea01fb561eb768352649400c3daf24ac5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
From a8accffb95267490b50401c8b65ec18db57b5ef5 Mon Sep 17 00:00:00 2001
From: Nate Karstens <nate.karstens@garmin.com>
Date: Wed, 9 Aug 2017 09:16:58 -0500
Subject: [PATCH 7/8] Mark deleted interfaces as being changed
Netlink notification handling ignores messages for deleted links,
RTM_DELLINK. It does handle RTM_GETLINK. According to libnl docu-
mentation (http://www.infradead.org/~tgr/libnl/doc/route.html)
RTM_DELLINK can be sent by the kernel, but RTM_GETLINK cannot.
There was likely a mixup in the original implementation, so this
change replaces handling for RTM_GETLINK with RTM_DELLINK.
Testing and Verification Instructions:
1. Use ip-link to add and remove a VLAN interface and verify
that mDNSResponder handles the deleted link.
Upstream-Status: Submitted [dts@apple.com]
Signed-off-by: Nate Karstens <nate.karstens@garmin.com>
Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
---
mDNSPosix/mDNSPosix.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: mDNSResponder/mDNSPosix/mDNSPosix.c
===================================================================
--- mDNSResponder.orig/mDNSPosix/mDNSPosix.c
+++ mDNSResponder/mDNSPosix/mDNSPosix.c
@@ -1714,7 +1714,7 @@ mDNSlocal void ProcessRoutingNo
#endif
// Process the NetLink message
- if (pNLMsg->nlmsg_type == RTM_GETLINK || pNLMsg->nlmsg_type == RTM_NEWLINK)
+ if (pNLMsg->nlmsg_type == RTM_DELLINK || pNLMsg->nlmsg_type == RTM_NEWLINK)
AddInterfaceIndexToList(changedInterfaces, ((struct ifinfomsg*) NLMSG_DATA(pNLMsg))->ifi_index);
else if (pNLMsg->nlmsg_type == RTM_DELADDR || pNLMsg->nlmsg_type == RTM_NEWADDR)
AddInterfaceIndexToList(changedInterfaces, ((struct ifaddrmsg*) NLMSG_DATA(pNLMsg))->ifa_index);
|
