From 07796f78730da31845f23f60aef2806ff897a3aa Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 2 Jun 2007 17:04:43 +0000
Subject: [PATCH] fixes for wpa/wpa2

SVN-Revision: 7453
---
 package/madwifi/patches/121-ibss_hostap.patch | 13 ++++++++--
 package/madwifi/patches/123-ccmp_checks.patch | 24 +++++++++++++++++++
 .../madwifi/patches/309-micfail_detect.patch  |  9 ++++++-
 3 files changed, 43 insertions(+), 3 deletions(-)
 create mode 100644 package/madwifi/patches/123-ccmp_checks.patch

diff --git a/package/madwifi/patches/121-ibss_hostap.patch b/package/madwifi/patches/121-ibss_hostap.patch
index d43618b733..a5a3ca99bc 100644
--- a/package/madwifi/patches/121-ibss_hostap.patch
+++ b/package/madwifi/patches/121-ibss_hostap.patch
@@ -1,6 +1,14 @@
 diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
 --- madwifi.old/ath/if_ath.c	2007-06-01 12:22:06.641518272 +0200
 +++ madwifi.dev/ath/if_ath.c	2007-06-01 12:22:55.326117088 +0200
+@@ -407,7 +407,6 @@
+  * and use the next two bits as the index of the VAP.
+  */
+ #define ATH_SET_VAP_BSSID_MASK(bssid_mask)      ((bssid_mask)[0] &= ~(((ATH_BCBUF-1)<<2)|0x02))
+-#define ATH_GET_VAP_ID(bssid)                   ((bssid)[0] >> 2)
+ #define ATH_SET_VAP_BSSID(bssid, id) \
+ 		do { \
+ 			if (id) \
 @@ -1048,9 +1048,12 @@
  			ic_opmode = opmode;
  		break;
@@ -121,7 +129,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
  		rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON |
  			  HAL_RX_FILTER_PROBEREQ | HAL_RX_FILTER_PROM);
  	return rfilt;
-@@ -5809,12 +5801,19 @@
+@@ -5809,12 +5801,20 @@
  			type = ieee80211_input(ni, skb, rs->rs_rssi, rs->rs_tstamp);
  			ieee80211_unref_node(&ni);
  		} else {
@@ -132,7 +140,8 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
  			 */
 -			ni = ieee80211_find_rxnode(ic,
 -				(const struct ieee80211_frame_min *) skb->data);
-+			if ((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == IEEE80211_FC0_SUBTYPE_PROBE_REQ)
++			if (((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == IEEE80211_FC0_SUBTYPE_PROBE_REQ) &&
++					(sc->sc_nibssvaps > 0))
 +				/* if this is a probe request, send it to all vaps
 +				 * when looking up nodes, hostap will be preferred over ibss,
 +				 * because ibss will catch all nodes */
diff --git a/package/madwifi/patches/123-ccmp_checks.patch b/package/madwifi/patches/123-ccmp_checks.patch
new file mode 100644
index 0000000000..d9b3cd4cea
--- /dev/null
+++ b/package/madwifi/patches/123-ccmp_checks.patch
@@ -0,0 +1,24 @@
+Only in madwifi.dev/ath: if_ath.c.orig
+diff -ur madwifi.old/net80211/ieee80211_crypto_ccmp.c madwifi.dev/net80211/ieee80211_crypto_ccmp.c
+--- madwifi.old/net80211/ieee80211_crypto_ccmp.c	2007-06-02 04:37:47.425966000 +0200
++++ madwifi.dev/net80211/ieee80211_crypto_ccmp.c	2007-06-02 18:38:27.675882768 +0200
+@@ -465,6 +465,9 @@
+ 	uint8_t *mic, *pos;
+ 	u_int space;
+ 
++	if (ctx->cc_tfm == NULL)
++		return 0;
++
+ 	ctx->cc_vap->iv_stats.is_crypto_ccmp++;
+ 
+ 	skb = skb0;
+@@ -579,6 +582,9 @@
+ 	uint8_t *pos, *mic;
+ 	u_int space;
+ 
++	if (ctx->cc_tfm == NULL)
++		return 0;
++
+ 	ctx->cc_vap->iv_stats.is_crypto_ccmp++;
+ 
+ 	skb = skb0;
diff --git a/package/madwifi/patches/309-micfail_detect.patch b/package/madwifi/patches/309-micfail_detect.patch
index a51915ef76..ff3be903c6 100644
--- a/package/madwifi/patches/309-micfail_detect.patch
+++ b/package/madwifi/patches/309-micfail_detect.patch
@@ -47,12 +47,19 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
  			dev_kfree_skb(skb);
  			skb = NULL;
  			goto rx_next;
-@@ -5806,6 +5790,20 @@
+@@ -5806,6 +5790,27 @@
  				   sc->sc_hwmap[rs->rs_rate].ieeerate,
  				   rs->rs_rssi);
  
 +		/* MIC failure. Drop the packet in any case */
 +		if (mic_fail) {
++			/* Drop control frames which are reported with mic error */
++		    if ((((struct ieee80211_frame *)skb->data)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { 
++				dev_kfree_skb(skb);
++				skb = NULL;
++				mic_fail = 0;
++				goto rx_next;
++			}
 +			ni = ieee80211_find_rxnode(ic, 
 +				(const struct ieee80211_frame_min *) skb->data);
 +			if (ni != NULL) {