diff options
| author | Isak Westin <isak.westin@loytec.com> | 2022-09-29 13:03:42 +0200 |
|---|---|---|
| committer | Brian Gix <brian.gix@intel.com> | 2022-10-03 14:19:19 -0700 |
| commit | 7d050890f01f32ebb394140cf3206ad5a5548d79 (patch) | |
| tree | 3512290eacf1e4efed1d23d68e8927a549aa857e /mesh | |
| parent | 926d16db8ae4bb5c40266be5bd6b10023d932c0d (diff) | |
| download | bluez-7d050890f01f32ebb394140cf3206ad5a5548d79.tar.gz | |
mesh: Ignore SNB with invalid IV Index values
If we are in IV update in progress state, and receive a Secure Network
beacon with an IV index equal to last known IV index + 1, and IV update
flag set to 1, it should be ignored. See MshPRFv1.0.1 section 3.10.5.
Diffstat (limited to 'mesh')
| -rw-r--r-- | mesh/net.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mesh/net.c b/mesh/net.c index dc3d1fd80..c225fdb9a 100644 --- a/mesh/net.c +++ b/mesh/net.c @@ -2671,6 +2671,10 @@ static bool update_iv_ivu_state(struct mesh_net *net, uint32_t iv_index, if (iv_index == net->iv_index) return false; + /* Ignore beacon with invalid IV index value */ + if (net->iv_update && iv_index == net->iv_index + 1) + return false; + if (!net->iv_update) { l_debug("iv_upd_state = IV_UPD_UPDATING"); net->iv_upd_state = IV_UPD_UPDATING; |