1 files changed, 0 insertions, 413 deletions

diff --git a/net/ieee80211/softmac/ieee80211softmac_auth.c b/net/ieee80211/softmac/ieee80211softmac_auth.c
deleted file mode 100644
index 1a96c2572578..000000000000
--- a/net/ieee80211/softmac/ieee80211softmac_auth.c
+++ /dev/null
@@ -1,413 +0,0 @@
-/*
- * This file contains the softmac's authentication logic.
- *
- * Copyright (c) 2005, 2006 Johannes Berg <johannes@sipsolutions.net>
- *                          Joseph Jezak <josejx@gentoo.org>
- *                          Larry Finger <Larry.Finger@lwfinger.net>
- *                          Danny van Dyk <kugelfang@gentoo.org>
- *                          Michael Buesch <mbuesch@freenet.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called COPYING.
- */
-
-#include "ieee80211softmac_priv.h"
-
-static void ieee80211softmac_auth_queue(struct work_struct *work);
-
-/* Queues an auth request to the desired AP */
-int
-ieee80211softmac_auth_req(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *net)
-{
-	struct ieee80211softmac_auth_queue_item *auth;
-	unsigned long flags;
-	DECLARE_MAC_BUF(mac2);
-
-	if (net->authenticating || net->authenticated)
-		return 0;
-	net->authenticating = 1;
-
-	/* Add the network if it's not already added */
-	ieee80211softmac_add_network(mac, net);
-
-	dprintk(KERN_NOTICE PFX "Queueing Authentication Request to %s\n", print_mac(mac2, net->bssid));
-	/* Queue the auth request */
-	auth = (struct ieee80211softmac_auth_queue_item *)
-		kmalloc(sizeof(struct ieee80211softmac_auth_queue_item), GFP_KERNEL);
-	if(auth == NULL)
-		return -ENOMEM;
-
-	auth->net = net;
-	auth->mac = mac;
-	auth->retry = IEEE80211SOFTMAC_AUTH_RETRY_LIMIT;
-	auth->state = IEEE80211SOFTMAC_AUTH_OPEN_REQUEST;
-	INIT_DELAYED_WORK(&auth->work, ieee80211softmac_auth_queue);
-
-	/* Lock (for list) */
-	spin_lock_irqsave(&mac->lock, flags);
-
-	/* add to list */
-	list_add_tail(&auth->list, &mac->auth_queue);
-	queue_delayed_work(mac->wq, &auth->work, 0);
-	spin_unlock_irqrestore(&mac->lock, flags);
-
-	return 0;
-}
-
-
-/* Sends an auth request to the desired AP and handles timeouts */
-static void
-ieee80211softmac_auth_queue(struct work_struct *work)
-{
-	struct ieee80211softmac_device *mac;
-	struct ieee80211softmac_auth_queue_item *auth;
-	struct ieee80211softmac_network *net;
-	unsigned long flags;
-	DECLARE_MAC_BUF(mac2);
-
-	auth = container_of(work, struct ieee80211softmac_auth_queue_item,
-			    work.work);
-	net = auth->net;
-	mac = auth->mac;
-
-	if(auth->retry > 0) {
-		/* Switch to correct channel for this network */
-		mac->set_channel(mac->dev, net->channel);
-
-		/* Lock and set flags */
-		spin_lock_irqsave(&mac->lock, flags);
-		if (unlikely(!mac->running)) {
-			/* Prevent reschedule on workqueue flush */
-			spin_unlock_irqrestore(&mac->lock, flags);
-			return;
-		}
-		net->authenticated = 0;
-		/* add a timeout call so we eventually give up waiting for an auth reply */
-		queue_delayed_work(mac->wq, &auth->work, IEEE80211SOFTMAC_AUTH_TIMEOUT);
-		auth->retry--;
-		spin_unlock_irqrestore(&mac->lock, flags);
-		if (ieee80211softmac_send_mgt_frame(mac, auth->net, IEEE80211_STYPE_AUTH, auth->state))
-			dprintk(KERN_NOTICE PFX "Sending Authentication Request to %s failed (this shouldn't happen, wait for the timeout).\n",
-				print_mac(mac2, net->bssid));
-		else
-			dprintk(KERN_NOTICE PFX "Sent Authentication Request to %s.\n", print_mac(mac2, net->bssid));
-		return;
-	}
-
-	printkl(KERN_WARNING PFX "Authentication timed out with %s\n", print_mac(mac2, net->bssid));
-	/* Remove this item from the queue */
-	spin_lock_irqsave(&mac->lock, flags);
-	net->authenticating = 0;
-	ieee80211softmac_call_events_locked(mac, IEEE80211SOFTMAC_EVENT_AUTH_TIMEOUT, net);
-	cancel_delayed_work(&auth->work); /* just to make sure... */
-	list_del(&auth->list);
-	spin_unlock_irqrestore(&mac->lock, flags);
-	/* Free it */
-	kfree(auth);
-}
-
-/* Sends a response to an auth challenge (for shared key auth). */
-static void
-ieee80211softmac_auth_challenge_response(struct work_struct *work)
-{
-	struct ieee80211softmac_auth_queue_item *aq =
-		container_of(work, struct ieee80211softmac_auth_queue_item,
-			     work.work);
-
-	/* Send our response */
-	ieee80211softmac_send_mgt_frame(aq->mac, aq->net, IEEE80211_STYPE_AUTH, aq->state);
-}
-
-/* Handle the auth response from the AP
- * This should be registered with ieee80211 as handle_auth
- */
-int
-ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth)
-{
-
-	struct list_head *list_ptr;
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-	struct ieee80211softmac_auth_queue_item *aq = NULL;
-	struct ieee80211softmac_network *net = NULL;
-	unsigned long flags;
-	u8 * data;
-	DECLARE_MAC_BUF(mac2);
-
-	if (unlikely(!mac->running))
-		return -ENODEV;
-
-	/* Find correct auth queue item */
-	spin_lock_irqsave(&mac->lock, flags);
-	list_for_each(list_ptr, &mac->auth_queue) {
-		aq = list_entry(list_ptr, struct ieee80211softmac_auth_queue_item, list);
-		net = aq->net;
-		if (!memcmp(net->bssid, auth->header.addr2, ETH_ALEN))
-			break;
-		else
-			aq = NULL;
-	}
-	spin_unlock_irqrestore(&mac->lock, flags);
-
-	/* Make sure that we've got an auth queue item for this request */
-	if(aq == NULL)
-	{
-		dprintkl(KERN_DEBUG PFX "Authentication response received from %s but no queue item exists.\n", print_mac(mac2, auth->header.addr2));
-		/* Error #? */
-		return -1;
-	}
-
-	/* Check for out of order authentication */
-	if(!net->authenticating)
-	{
-		dprintkl(KERN_DEBUG PFX "Authentication response received from %s but did not request authentication.\n",print_mac(mac2, auth->header.addr2));
-		return -1;
-	}
-
-	/* Parse the auth packet */
-	switch(le16_to_cpu(auth->algorithm)) {
-	case WLAN_AUTH_OPEN:
-		/* Check the status code of the response */
-
-		switch(le16_to_cpu(auth->status)) {
-		case WLAN_STATUS_SUCCESS:
-			/* Update the status to Authenticated */
-			spin_lock_irqsave(&mac->lock, flags);
-			net->authenticating = 0;
-			net->authenticated = 1;
-			spin_unlock_irqrestore(&mac->lock, flags);
-
-			/* Send event */
-			printkl(KERN_NOTICE PFX "Open Authentication completed with %s\n", print_mac(mac2, net->bssid));
-			ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_AUTHENTICATED, net);
-			break;
-		default:
-			/* Lock and reset flags */
-			spin_lock_irqsave(&mac->lock, flags);
-			net->authenticated = 0;
-			net->authenticating = 0;
-			spin_unlock_irqrestore(&mac->lock, flags);
-
-			printkl(KERN_NOTICE PFX "Open Authentication with %s failed, error code: %i\n",
-				print_mac(mac2, net->bssid), le16_to_cpup(&auth->status));
-			/* Count the error? */
-			break;
-		}
-		goto free_aq;
-		break;
-	case WLAN_AUTH_SHARED_KEY:
-		/* Figure out where we are in the process */
-		switch(le16_to_cpu(auth->transaction)) {
-		case IEEE80211SOFTMAC_AUTH_SHARED_CHALLENGE:
-			/* Check to make sure we have a challenge IE */
-			data = (u8 *)auth->info_element;
-			if (*data++ != MFIE_TYPE_CHALLENGE) {
-				printkl(KERN_NOTICE PFX "Shared Key Authentication failed due to a missing challenge.\n");
-				break;
-			}
-			/* Save the challenge */
-			spin_lock_irqsave(&mac->lock, flags);
-			net->challenge_len = *data++;
-			if (net->challenge_len > WLAN_AUTH_CHALLENGE_LEN)
-				net->challenge_len = WLAN_AUTH_CHALLENGE_LEN;
-			kfree(net->challenge);
-			net->challenge = kmemdup(data, net->challenge_len,
-						 GFP_ATOMIC);
-			if (net->challenge == NULL) {
-				printkl(KERN_NOTICE PFX "Shared Key "
-					"Authentication failed due to "
-					"memory shortage.\n");
-				spin_unlock_irqrestore(&mac->lock, flags);
-				break;
-			}
-			aq->state = IEEE80211SOFTMAC_AUTH_SHARED_RESPONSE;
-
-			/* We reuse the work struct from the auth request here.
-			 * It is safe to do so as each one is per-request, and
-			 * at this point (dealing with authentication response)
-			 * we have obviously already sent the initial auth
-			 * request. */
-			cancel_delayed_work(&aq->work);
-			INIT_DELAYED_WORK(&aq->work, &ieee80211softmac_auth_challenge_response);
-			queue_delayed_work(mac->wq, &aq->work, 0);
-			spin_unlock_irqrestore(&mac->lock, flags);
-			return 0;
-		case IEEE80211SOFTMAC_AUTH_SHARED_PASS:
-			kfree(net->challenge);
-			net->challenge = NULL;
-			net->challenge_len = 0;
-			/* Check the status code of the response */
-			switch(auth->status) {
-			case WLAN_STATUS_SUCCESS:
-				/* Update the status to Authenticated */
-				spin_lock_irqsave(&mac->lock, flags);
-				net->authenticating = 0;
-				net->authenticated = 1;
-				spin_unlock_irqrestore(&mac->lock, flags);
-				printkl(KERN_NOTICE PFX "Shared Key Authentication completed with %s\n",
-					print_mac(mac2, net->bssid));
-				ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_AUTHENTICATED, net);
-				break;
-			default:
-				printkl(KERN_NOTICE PFX "Shared Key Authentication with %s failed, error code: %i\n",
-					print_mac(mac2, net->bssid), le16_to_cpup(&auth->status));
-				/* Lock and reset flags */
-				spin_lock_irqsave(&mac->lock, flags);
-				net->authenticating = 0;
-				net->authenticated = 0;
-				spin_unlock_irqrestore(&mac->lock, flags);
-				/* Count the error? */
-				break;
-			}
-			goto free_aq;
-			break;
-		default:
-			printkl(KERN_WARNING PFX "Unhandled Authentication Step: %i\n", auth->transaction);
-			break;
-		}
-		goto free_aq;
-		break;
-	default:
-		/* ERROR */
-		goto free_aq;
-		break;
-	}
-	return 0;
-free_aq:
-	/* Cancel the timeout */
-	spin_lock_irqsave(&mac->lock, flags);
-	cancel_delayed_work(&aq->work);
-	/* Remove this item from the queue */
-	list_del(&aq->list);
-	spin_unlock_irqrestore(&mac->lock, flags);
-
-	/* Free it */
-	kfree(aq);
-	return 0;
-}
-
-/*
- * Handle deauthorization
- */
-static void
-ieee80211softmac_deauth_from_net(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *net)
-{
-	struct ieee80211softmac_auth_queue_item *aq = NULL;
-	struct list_head *list_ptr;
-	unsigned long flags;
-
-	/* deauthentication implies disassociation */
-	ieee80211softmac_disassoc(mac);
-
-	/* Lock and reset status flags */
-	spin_lock_irqsave(&mac->lock, flags);
-	net->authenticating = 0;
-	net->authenticated = 0;
-
-	/* Find correct auth queue item, if it exists */
-	list_for_each(list_ptr, &mac->auth_queue) {
-		aq = list_entry(list_ptr, struct ieee80211softmac_auth_queue_item, list);
-		if (!memcmp(net->bssid, aq->net->bssid, ETH_ALEN))
-			break;
-		else
-			aq = NULL;
-	}
-
-	/* Cancel pending work */
-	if(aq != NULL)
-		/* Not entirely safe?  What about running work? */
-		cancel_delayed_work(&aq->work);
-
-	/* Free our network ref */
-	ieee80211softmac_del_network_locked(mac, net);
-	if(net->challenge != NULL)
-		kfree(net->challenge);
-	kfree(net);
-
-	/* can't transmit data right now... */
-	netif_carrier_off(mac->dev);
-	spin_unlock_irqrestore(&mac->lock, flags);
-
-	ieee80211softmac_try_reassoc(mac);
-}
-
-/*
- * Sends a deauth request to the desired AP
- */
-int
-ieee80211softmac_deauth_req(struct ieee80211softmac_device *mac,
-	struct ieee80211softmac_network *net, int reason)
-{
-	int ret;
-
-	/* Make sure the network is authenticated */
-	if (!net->authenticated)
-	{
-		dprintkl(KERN_DEBUG PFX "Can't send deauthentication packet, network is not authenticated.\n");
-		/* Error okay? */
-		return -EPERM;
-	}
-
-	/* Send the de-auth packet */
-	if((ret = ieee80211softmac_send_mgt_frame(mac, net, IEEE80211_STYPE_DEAUTH, reason)))
-		return ret;
-
-	ieee80211softmac_deauth_from_net(mac, net);
-	return 0;
-}
-
-/*
- * This should be registered with ieee80211 as handle_deauth
- */
-int
-ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *deauth)
-{
-
-	struct ieee80211softmac_network *net = NULL;
-	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
-	DECLARE_MAC_BUF(mac2);
-
-	if (unlikely(!mac->running))
-		return -ENODEV;
-
-	if (!deauth) {
-		dprintk("deauth without deauth packet. eek!\n");
-		return 0;
-	}
-
-	net = ieee80211softmac_get_network_by_bssid(mac, deauth->header.addr2);
-
-	if (net == NULL) {
-		dprintkl(KERN_DEBUG PFX "Received deauthentication packet from %s, but that network is unknown.\n",
-			print_mac(mac2, deauth->header.addr2));
-		return 0;
-	}
-
-	/* Make sure the network is authenticated */
-	if(!net->authenticated)
-	{
-		dprintkl(KERN_DEBUG PFX "Can't perform deauthentication, network is not authenticated.\n");
-		/* Error okay? */
-		return -EPERM;
-	}
-
-	ieee80211softmac_deauth_from_net(mac, net);
-
-	/* let's try to re-associate */
-	queue_delayed_work(mac->wq, &mac->associnfo.work, 0);
-	return 0;
-}