diff options
author | David S. Miller <davem@davemloft.net> | 2020-03-30 07:25:29 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2020-03-30 07:25:29 +0300 |
commit | f0b5989745c3e0e92424d36869a97e4e8df7ab13 (patch) | |
tree | 0e9759b9d6060bb94cad676b1b16e423d5ad2523 /net/mac80211/tx.c | |
parent | 1a147b74c2fd4058dea0133cb2471724c3b3de09 (diff) | |
parent | 7111951b8d4973bda27ff663f2cf18b663d15b48 (diff) | |
download | linux-f0b5989745c3e0e92424d36869a97e4e8df7ab13.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor comment conflict in mac80211.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r-- | net/mac80211/tx.c | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 49d35936cc9d..b65284f210c3 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -590,10 +590,13 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; - if (unlikely(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT)) + if (unlikely(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT)) { tx->key = NULL; - else if (tx->sta && - (key = rcu_dereference(tx->sta->ptk[tx->sta->ptk_idx]))) + return TX_CONTINUE; + } + + if (tx->sta && + (key = rcu_dereference(tx->sta->ptk[tx->sta->ptk_idx]))) tx->key = key; else if (ieee80211_is_group_privacy_action(tx->skb) && (key = rcu_dereference(tx->sdata->default_multicast_key))) @@ -654,6 +657,9 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) if (!skip_hw && tx->key && tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) info->control.hw_key = &tx->key->conf; + } else if (!ieee80211_is_mgmt(hdr->frame_control) && tx->sta && + test_sta_flag(tx->sta, WLAN_STA_USES_ENCRYPTION)) { + return TX_DROP; } return TX_CONTINUE; @@ -3599,8 +3605,25 @@ begin: tx.skb = skb; tx.sdata = vif_to_sdata(info->control.vif); - if (txq->sta) + if (txq->sta) { tx.sta = container_of(txq->sta, struct sta_info, sta); + /* + * Drop unicast frames to unauthorised stations unless they are + * EAPOL frames from the local station. + */ + if (unlikely(!ieee80211_vif_is_mesh(&tx.sdata->vif) && + tx.sdata->vif.type != NL80211_IFTYPE_OCB && + !is_multicast_ether_addr(hdr->addr1) && + !test_sta_flag(tx.sta, WLAN_STA_AUTHORIZED) && + (!(info->control.flags & + IEEE80211_TX_CTRL_PORT_CTRL_PROTO) || + !ether_addr_equal(tx.sdata->vif.addr, + hdr->addr2)))) { + I802_DEBUG_INC(local->tx_handlers_drop_unauth_port); + ieee80211_free_txskb(&local->hw, skb); + goto begin; + } + } /* * The key can be removed while the packet was queued, so need to call @@ -5318,6 +5341,7 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_local *local = sdata->local; struct sk_buff *skb; struct ethhdr *ehdr; + u32 ctrl_flags = 0; u32 flags; /* Only accept CONTROL_PORT_PROTOCOL configured in CONNECT/ASSOCIATE @@ -5327,6 +5351,9 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, proto != cpu_to_be16(ETH_P_PREAUTH)) return -EINVAL; + if (proto == sdata->control_port_protocol) + ctrl_flags |= IEEE80211_TX_CTRL_PORT_CTRL_PROTO; + if (unencrypted) flags = IEEE80211_TX_INTFL_DONT_ENCRYPT; else @@ -5352,7 +5379,7 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, skb_reset_mac_header(skb); local_bh_disable(); - __ieee80211_subif_start_xmit(skb, skb->dev, flags, 0); + __ieee80211_subif_start_xmit(skb, skb->dev, flags, ctrl_flags); local_bh_enable(); return 0; |