openwrt/package/hostapd/patches/003-use-nl80211-for-keys.patch

---
 hostapd/driver_devicescape.c |   93 ++++++++++++++++++++++++++++++-------------
 1 file changed, 67 insertions(+), 26 deletions(-)

--- hostap.orig/hostapd/driver_devicescape.c	2007-11-09 13:41:12.000000000 +0100
+++ hostap/hostapd/driver_devicescape.c	2007-11-09 13:41:13.000000000 +0100
@@ -150,38 +150,79 @@ static int i802_set_encryption(const cha
 			       size_t key_len, int txkey)
 {
 	struct i802_driver_data *drv = priv;
-	struct prism2_hostapd_param *param;
-	u8 *buf;
-	size_t blen;
-	int ret = 0;
+	struct nl_msg *msg;
+	int ret = -1;
+	int err = 0;
 
-	blen = sizeof(*param) + key_len;
-	buf = os_zalloc(blen);
-	if (buf == NULL)
-		return -1;
+	msg = nlmsg_alloc();
+	if (!msg)
+		goto out;
 
-	param = (struct prism2_hostapd_param *) buf;
-	param->cmd = PRISM2_SET_ENCRYPTION;
-	if (addr == NULL)
-		memset(param->sta_addr, 0xff, ETH_ALEN);
-	else
-		memcpy(param->sta_addr, addr, ETH_ALEN);
-	os_strlcpy((char *) param->u.crypt.alg, alg,
-		   HOSTAP_CRYPT_ALG_NAME_LEN);
-	param->u.crypt.flags = txkey ? HOSTAP_CRYPT_FLAG_SET_TX_KEY : 0;
-	param->u.crypt.idx = idx;
-	param->u.crypt.key_len = key_len;
-	memcpy(param->u.crypt.key, key, key_len);
+	if (strcmp(alg, "none") == 0) {
+		genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+			    0, NL80211_CMD_DEL_KEY, 0);
+	} else {
+		genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+			    0, NL80211_CMD_NEW_KEY, 0);
+		NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
+		if (strcmp(alg, "WEP") == 0) {
+			if (key_len == 5)
+				NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
+					    0x000FAC01);
+			else
+				NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
+					    0x000FAC05);
+		} else if (strcmp(alg, "TKIP") == 0)
+			NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, 0x000FAC02);
+		else if (strcmp(alg, "CCMP") == 0)
+			NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, 0x000FAC04);
+		else
+			goto out;
+	}
 
-	if (hostapd_ioctl_iface(iface, drv, param, blen) && errno != ENOENT) {
-		printf("%s: Failed to set encryption to alg '%s' addr " MACSTR
-		       " errno=%d\n",
-		       iface, alg, MAC2STR(param->sta_addr), errno);
-		ret = -1;
+	if (addr)
+		NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+	NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
+
+	if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
+	    (err = nl_wait_for_ack(drv->nl_handle)) < 0) {
+		if (err != -ENOENT) {
+			err = 0;
+			goto out;
+		}
 	}
 
-	free(buf);
+	if (!txkey) {
+		ret = 0;
+		goto out;
+	}
+
+	nlmsg_free(msg);
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		goto out;
 
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_SET_KEY, 0);
+	NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
+	NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
+
+	if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
+	    (err = nl_wait_for_ack(drv->nl_handle)) < 0) {
+		if (err != -ENOENT) {
+			err = 0;
+			goto out;
+		}
+	}
+
+	ret = 0;
+
+ out:
+ nla_put_failure:
+	nlmsg_free(msg);
 	return ret;
 }