Wireshark-commits: [Wireshark-commits] master c624970: netlink: support legacy dump request message
URL: https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=c62497066e0e6078b5d5d1ee8e6883f5f78afe26
Submitter: Michael Mann (mmann78@xxxxxxxxxxxx)
Changed: branch: master
Repository: wireshark
Commits:
c624970 by Michal Kubecek (mkubecek@xxxxxxx):
netlink: support legacy dump request messages
Some legacy tools, including iproute2 < 3.9, issue shorter RTM_GETLINK
and RTM_GETADDR dump queries which only contain struct rtgenmsg rather
than struct ifinfomsg. As noted in kernel comment in rtnl_dump_ifinfo(),
these legacy requests will be (even with attributes) always shorter than
struct ifinfomsg so that they are easy to detect.
Similar problem can be observed with tools using nl_rtgen_request()
function from libnl3; this also affects other RTM_GET* types.
If such legacy message is detected by length shorter than expected data
structure, parse it as this legacy version with (1-byte) struct
rtgenmsg so that it's shown as intended rather than as malformed.
Change-Id: I53b6bff9e44cd2359d7cd313b6f0724f63f0e74d
Reviewed-on: https://code.wireshark.org/review/20461
Petri-Dish: Michael Mann <mmann78@xxxxxxxxxxxx>
Reviewed-by: Michal Kubeček <mkubecek@xxxxxxx>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@xxxxxxxxxxxxx>
Reviewed-by: Michael Mann <mmann78@xxxxxxxxxxxx>
Actions performed:
from bccc200 sharkd: support for export objects, following stream.
adds c624970 netlink: support legacy dump request messages
Summary of changes:
epan/dissectors/packet-netlink-route.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
