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| author | Jouni Malinen <j@w1.fi> | 2017-12-27 10:17:44 (GMT) |
|---|---|---|
| committer | Jouni Malinen <j@w1.fi> | 2017-12-27 10:19:08 (GMT) |
| commit | c4fc7e31c7d520ba9c1f989fd6f8cc727aee1d60 (patch) | |
| tree | 4b4cab654a84bc9e5fab65bd962ed0ed1ccc060b | |
| parent | abcbd0604cc604bc62b6d47d30559111447ea88c (diff) | |
| download | hostap-c4fc7e31c7d520ba9c1f989fd6f8cc727aee1d60.zip hostap-c4fc7e31c7d520ba9c1f989fd6f8cc727aee1d60.tar.gz hostap-c4fc7e31c7d520ba9c1f989fd6f8cc727aee1d60.tar.bz2 | |
SAE: Set special Sc value when moving to Accepted state
Set Sc to 2^16-1 when moving to Accepted state per IEEE Std 802.11-2016,
12.4.8.6.5 (Protocol instance behavior - Confirmed state). This allows
the peer in Accepted state to silently ignore unnecessary
retransmissions of the Confirm message.
Signed-off-by: Jouni Malinen <j@w1.fi>
| -rw-r--r-- | src/ap/ieee802_11.c | 1 | ||||
| -rw-r--r-- | src/common/sae.c | 3 |
2 files changed, 3 insertions, 1 deletions
diff --git a/src/ap/ieee802_11.c b/src/ap/ieee802_11.c index 53672a7..f6cea40 100644 --- a/src/ap/ieee802_11.c +++ b/src/ap/ieee802_11.c @@ -728,6 +728,7 @@ static int sae_sm_step(struct hostapd_data *hapd, struct sta_info *sta, sae_set_retransmit_timer(hapd, sta); } else { + sta->sae->send_confirm = 0xffff; sae_accept_sta(hapd, sta); } break; diff --git a/src/common/sae.c b/src/common/sae.c index 588a622..3b32490 100644 --- a/src/common/sae.c +++ b/src/common/sae.c @@ -1235,7 +1235,8 @@ void sae_write_confirm(struct sae_data *sae, struct wpabuf *buf) /* Send-Confirm */ sc = wpabuf_put(buf, 0); wpabuf_put_le16(buf, sae->send_confirm); - sae->send_confirm++; + if (sae->send_confirm < 0xffff) + sae->send_confirm++; if (sae->tmp->ec) sae_cn_confirm_ecc(sae, sc, sae->tmp->own_commit_scalar, |