diff options
| author | Michael Bestas <mkbestas@lineageos.org> | 2020-08-23 00:37:37 +0300 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2020-08-23 00:37:37 +0300 |
| commit | 250f46158452aac57109fd256ccd675f87c6c07a (patch) | |
| tree | 60e02a035fda8c20c2773becd457ec0bb5a55dd6 /net/mac80211/rx.c | |
| parent | 87d399cdabf1a0090ea16259bd747f162dd194c9 (diff) | |
| parent | 59f04f292e871fb7fd7b3425d7fd3fd489a44078 (diff) | |
Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-17.1-caf-msm8998
This brings LA.UM.8.4.r1-05900-8x98.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
59f04f292e871 ANDROID: fix a bug in quota2
Conflicts:
Makefile
fs/ext4/inode.c
fs/f2fs/dir.c
Change-Id: Ic71b44a02908cf633d96114f0ff745cf1e1186de
Diffstat (limited to 'net/mac80211/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index f44be677e1ad..1618c96674a4 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1964,6 +1964,7 @@ static int ieee80211_802_1x_port_control(struct ieee80211_rx_data *rx) static int ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc) { + struct ieee80211_hdr *hdr = (void *)rx->skb->data; struct sk_buff *skb = rx->skb; struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); @@ -1974,6 +1975,31 @@ static int ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc) if (status->flag & RX_FLAG_DECRYPTED) return 0; + /* check mesh EAPOL frames first */ + if (unlikely(rx->sta && ieee80211_vif_is_mesh(&rx->sdata->vif) && + ieee80211_is_data(fc))) { + struct ieee80211s_hdr *mesh_hdr; + u16 hdr_len = ieee80211_hdrlen(fc); + u16 ethertype_offset; + __be16 ethertype; + + if (!ether_addr_equal(hdr->addr1, rx->sdata->vif.addr)) + goto drop_check; + + /* make sure fixed part of mesh header is there, also checks skb len */ + if (!pskb_may_pull(rx->skb, hdr_len + 6)) + goto drop_check; + + mesh_hdr = (struct ieee80211s_hdr *)(skb->data + hdr_len); + ethertype_offset = hdr_len + ieee80211_get_mesh_hdrlen(mesh_hdr) + + sizeof(rfc1042_header); + + if (skb_copy_bits(rx->skb, ethertype_offset, ðertype, 2) == 0 && + ethertype == rx->sdata->control_port_protocol) + return 0; + } + +drop_check: /* Drop unencrypted frames if key is set. */ if (unlikely(!ieee80211_has_protected(fc) && !ieee80211_is_any_nullfunc(fc) && |