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-rw-r--r--net/ieee80211/Kconfig1
-rw-r--r--net/ieee80211/ieee80211_crypt.c3
-rw-r--r--net/ieee80211/ieee80211_crypt_ccmp.c3
-rw-r--r--net/ieee80211/ieee80211_crypt_wep.c3
-rw-r--r--net/ieee80211/ieee80211_rx.c4
-rw-r--r--net/ieee80211/ieee80211_tx.c15
-rw-r--r--net/ieee80211/ieee80211_wx.c7
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_assoc.c31
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_auth.c32
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_io.c6
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_wx.c36
11 files changed, 106 insertions, 35 deletions
diff --git a/net/ieee80211/Kconfig b/net/ieee80211/Kconfig
index dbb08528ddf..f7e84e9d13a 100644
--- a/net/ieee80211/Kconfig
+++ b/net/ieee80211/Kconfig
@@ -58,6 +58,7 @@ config IEEE80211_CRYPT_TKIP
depends on IEEE80211 && NET_RADIO
select CRYPTO
select CRYPTO_MICHAEL_MIC
+ select CRC32
---help---
Include software based cipher suites in support of IEEE 802.11i
(aka TGi, WPA, WPA2, WPA-PSK, etc.) for use with TKIP enabled
diff --git a/net/ieee80211/ieee80211_crypt.c b/net/ieee80211/ieee80211_crypt.c
index cb71d794a7d..5ed0a98b2d7 100644
--- a/net/ieee80211/ieee80211_crypt.c
+++ b/net/ieee80211/ieee80211_crypt.c
@@ -110,11 +110,10 @@ int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops)
unsigned long flags;
struct ieee80211_crypto_alg *alg;
- alg = kmalloc(sizeof(*alg), GFP_KERNEL);
+ alg = kzalloc(sizeof(*alg), GFP_KERNEL);
if (alg == NULL)
return -ENOMEM;
- memset(alg, 0, sizeof(*alg));
alg->ops = ops;
spin_lock_irqsave(&ieee80211_crypto_lock, flags);
diff --git a/net/ieee80211/ieee80211_crypt_ccmp.c b/net/ieee80211/ieee80211_crypt_ccmp.c
index 492647382ad..ed90a8af144 100644
--- a/net/ieee80211/ieee80211_crypt_ccmp.c
+++ b/net/ieee80211/ieee80211_crypt_ccmp.c
@@ -76,10 +76,9 @@ static void *ieee80211_ccmp_init(int key_idx)
{
struct ieee80211_ccmp_data *priv;
- priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+ priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
if (priv == NULL)
goto fail;
- memset(priv, 0, sizeof(*priv));
priv->key_idx = key_idx;
priv->tfm = crypto_alloc_tfm("aes", 0);
diff --git a/net/ieee80211/ieee80211_crypt_wep.c b/net/ieee80211/ieee80211_crypt_wep.c
index c5a87724aab..0ebf235f693 100644
--- a/net/ieee80211/ieee80211_crypt_wep.c
+++ b/net/ieee80211/ieee80211_crypt_wep.c
@@ -39,10 +39,9 @@ static void *prism2_wep_init(int keyidx)
{
struct prism2_wep_data *priv;
- priv = kmalloc(sizeof(*priv), GFP_ATOMIC);
+ priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
if (priv == NULL)
goto fail;
- memset(priv, 0, sizeof(*priv));
priv->key_idx = keyidx;
priv->tfm = crypto_alloc_tfm("arc4", 0);
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index 47ccf159372..72d4d4e04d4 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -368,6 +368,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
/* Put this code here so that we avoid duplicating it in all
* Rx paths. - Jean II */
+#ifdef CONFIG_WIRELESS_EXT
#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */
/* If spy monitoring on */
if (ieee->spy_data.spy_number > 0) {
@@ -396,15 +397,16 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
wireless_spy_update(ieee->dev, hdr->addr2, &wstats);
}
#endif /* IW_WIRELESS_SPY */
+#endif /* CONFIG_WIRELESS_EXT */
#ifdef NOT_YET
hostap_update_rx_stats(local->ap, hdr, rx_stats);
#endif
if (ieee->iw_mode == IW_MODE_MONITOR) {
- ieee80211_monitor_rx(ieee, skb, rx_stats);
stats->rx_packets++;
stats->rx_bytes += skb->len;
+ ieee80211_monitor_rx(ieee, skb, rx_stats);
return 1;
}
diff --git a/net/ieee80211/ieee80211_tx.c b/net/ieee80211/ieee80211_tx.c
index de148ae594f..bf042139c7a 100644
--- a/net/ieee80211/ieee80211_tx.c
+++ b/net/ieee80211/ieee80211_tx.c
@@ -562,10 +562,13 @@ int ieee80211_tx_frame(struct ieee80211_device *ieee,
struct net_device_stats *stats = &ieee->stats;
struct sk_buff *skb_frag;
int priority = -1;
+ int fraglen = total_len;
+ int headroom = ieee->tx_headroom;
+ struct ieee80211_crypt_data *crypt = ieee->crypt[ieee->tx_keyidx];
spin_lock_irqsave(&ieee->lock, flags);
- if (encrypt_mpdu && !ieee->sec.encrypt)
+ if (encrypt_mpdu && (!ieee->sec.encrypt || !crypt))
encrypt_mpdu = 0;
/* If there is no driver handler to take the TXB, dont' bother
@@ -581,20 +584,24 @@ int ieee80211_tx_frame(struct ieee80211_device *ieee,
goto success;
}
- if (encrypt_mpdu)
+ if (encrypt_mpdu) {
frame->frame_ctl |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
+ fraglen += crypt->ops->extra_mpdu_prefix_len +
+ crypt->ops->extra_mpdu_postfix_len;
+ headroom += crypt->ops->extra_mpdu_prefix_len;
+ }
/* When we allocate the TXB we allocate enough space for the reserve
* and full fragment bytes (bytes_per_frag doesn't include prefix,
* postfix, header, FCS, etc.) */
- txb = ieee80211_alloc_txb(1, total_len, ieee->tx_headroom, GFP_ATOMIC);
+ txb = ieee80211_alloc_txb(1, fraglen, headroom, GFP_ATOMIC);
if (unlikely(!txb)) {
printk(KERN_WARNING "%s: Could not allocate TXB\n",
ieee->dev->name);
goto failed;
}
txb->encrypted = 0;
- txb->payload_size = total_len;
+ txb->payload_size = fraglen;
skb_frag = txb->fragments[0];
diff --git a/net/ieee80211/ieee80211_wx.c b/net/ieee80211/ieee80211_wx.c
index a78c4f845f6..5cb9cfd3539 100644
--- a/net/ieee80211/ieee80211_wx.c
+++ b/net/ieee80211/ieee80211_wx.c
@@ -369,11 +369,10 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
struct ieee80211_crypt_data *new_crypt;
/* take WEP into use */
- new_crypt = kmalloc(sizeof(struct ieee80211_crypt_data),
+ new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
GFP_KERNEL);
if (new_crypt == NULL)
return -ENOMEM;
- memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
new_crypt->ops = ieee80211_get_crypto_ops("WEP");
if (!new_crypt->ops) {
request_module("ieee80211_crypt_wep");
@@ -616,13 +615,11 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee,
ieee80211_crypt_delayed_deinit(ieee, crypt);
- new_crypt = (struct ieee80211_crypt_data *)
- kmalloc(sizeof(*new_crypt), GFP_KERNEL);
+ new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
if (new_crypt == NULL) {
ret = -ENOMEM;
goto done;
}
- memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
new_crypt->ops = ops;
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
new_crypt->priv = new_crypt->ops->init(idx);
diff --git a/net/ieee80211/softmac/ieee80211softmac_assoc.c b/net/ieee80211/softmac/ieee80211softmac_assoc.c
index 5e9a90651d0..44215ce64d4 100644
--- a/net/ieee80211/softmac/ieee80211softmac_assoc.c
+++ b/net/ieee80211/softmac/ieee80211softmac_assoc.c
@@ -47,9 +47,7 @@ ieee80211softmac_assoc(struct ieee80211softmac_device *mac, struct ieee80211soft
dprintk(KERN_INFO PFX "sent association request!\n");
- /* Change the state to associating */
spin_lock_irqsave(&mac->lock, flags);
- mac->associnfo.associating = 1;
mac->associated = 0; /* just to make sure */
/* Set a timer for timeout */
@@ -63,6 +61,7 @@ void
ieee80211softmac_assoc_timeout(void *d)
{
struct ieee80211softmac_device *mac = (struct ieee80211softmac_device *)d;
+ struct ieee80211softmac_network *n;
unsigned long flags;
spin_lock_irqsave(&mac->lock, flags);
@@ -75,11 +74,12 @@ ieee80211softmac_assoc_timeout(void *d)
mac->associnfo.associating = 0;
mac->associnfo.bssvalid = 0;
mac->associated = 0;
+
+ n = ieee80211softmac_get_network_by_bssid_locked(mac, mac->associnfo.bssid);
spin_unlock_irqrestore(&mac->lock, flags);
dprintk(KERN_INFO PFX "assoc request timed out!\n");
- /* FIXME: we need to know the network here. that requires a bit of restructuring */
- ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_TIMEOUT, NULL);
+ ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_TIMEOUT, n);
}
void
@@ -203,6 +203,10 @@ ieee80211softmac_assoc_work(void *d)
if (mac->associated)
ieee80211softmac_send_disassoc_req(mac, WLAN_REASON_DISASSOC_STA_HAS_LEFT);
+ spin_lock_irqsave(&mac->lock, flags);
+ mac->associnfo.associating = 1;
+ spin_unlock_irqrestore(&mac->lock, flags);
+
/* try to find the requested network in our list, if we found one already */
if (bssvalid || mac->associnfo.bssfixed)
found = ieee80211softmac_get_network_by_bssid(mac, mac->associnfo.bssid);
@@ -295,19 +299,32 @@ ieee80211softmac_assoc_work(void *d)
memcpy(mac->associnfo.associate_essid.data, found->essid.data, IW_ESSID_MAX_SIZE + 1);
/* we found a network! authenticate (if necessary) and associate to it. */
- if (!found->authenticated) {
+ if (found->authenticating) {
+ dprintk(KERN_INFO PFX "Already requested authentication, waiting...\n");
+ if(!mac->associnfo.assoc_wait) {
+ mac->associnfo.assoc_wait = 1;
+ ieee80211softmac_notify_internal(mac, IEEE80211SOFTMAC_EVENT_ANY, found, ieee80211softmac_assoc_notify_auth, NULL, GFP_KERNEL);
+ }
+ return;
+ }
+ if (!found->authenticated && !found->authenticating) {
/* This relies on the fact that _auth_req only queues the work,
* otherwise adding the notification would be racy. */
if (!ieee80211softmac_auth_req(mac, found)) {
- dprintk(KERN_INFO PFX "cannot associate without being authenticated, requested authentication\n");
- ieee80211softmac_notify_internal(mac, IEEE80211SOFTMAC_EVENT_ANY, found, ieee80211softmac_assoc_notify_auth, NULL, GFP_KERNEL);
+ if(!mac->associnfo.assoc_wait) {
+ dprintk(KERN_INFO PFX "Cannot associate without being authenticated, requested authentication\n");
+ mac->associnfo.assoc_wait = 1;
+ ieee80211softmac_notify_internal(mac, IEEE80211SOFTMAC_EVENT_ANY, found, ieee80211softmac_assoc_notify_auth, NULL, GFP_KERNEL);
+ }
} else {
printkl(KERN_WARNING PFX "Not authenticated, but requesting authentication failed. Giving up to associate\n");
+ mac->associnfo.assoc_wait = 0;
ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_FAILED, found);
}
return;
}
/* finally! now we can start associating */
+ mac->associnfo.assoc_wait = 0;
ieee80211softmac_assoc(mac, found);
}
diff --git a/net/ieee80211/softmac/ieee80211softmac_auth.c b/net/ieee80211/softmac/ieee80211softmac_auth.c
index 90b8484e509..4cef39e171d 100644
--- a/net/ieee80211/softmac/ieee80211softmac_auth.c
+++ b/net/ieee80211/softmac/ieee80211softmac_auth.c
@@ -36,8 +36,9 @@ ieee80211softmac_auth_req(struct ieee80211softmac_device *mac,
struct ieee80211softmac_auth_queue_item *auth;
unsigned long flags;
- if (net->authenticating)
+ if (net->authenticating || net->authenticated)
return 0;
+ net->authenticating = 1;
/* Add the network if it's not already added */
ieee80211softmac_add_network(mac, net);
@@ -92,7 +93,6 @@ ieee80211softmac_auth_queue(void *data)
return;
}
net->authenticated = 0;
- net->authenticating = 1;
/* add a timeout call so we eventually give up waiting for an auth reply */
schedule_delayed_work(&auth->work, IEEE80211SOFTMAC_AUTH_TIMEOUT);
auth->retry--;
@@ -116,6 +116,16 @@ ieee80211softmac_auth_queue(void *data)
kfree(auth);
}
+/* Sends a response to an auth challenge (for shared key auth). */
+static void
+ieee80211softmac_auth_challenge_response(void *_aq)
+{
+ struct ieee80211softmac_auth_queue_item *aq = _aq;
+
+ /* 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
*/
@@ -197,24 +207,30 @@ ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth)
case IEEE80211SOFTMAC_AUTH_SHARED_CHALLENGE:
/* Check to make sure we have a challenge IE */
data = (u8 *)auth->info_element;
- if(*data++ != MFIE_TYPE_CHALLENGE){
+ 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)
+ if (net->challenge_len > WLAN_AUTH_CHALLENGE_LEN)
net->challenge_len = WLAN_AUTH_CHALLENGE_LEN;
- if(net->challenge != NULL)
+ if (net->challenge != NULL)
kfree(net->challenge);
net->challenge = kmalloc(net->challenge_len, GFP_ATOMIC);
memcpy(net->challenge, data, net->challenge_len);
aq->state = IEEE80211SOFTMAC_AUTH_SHARED_RESPONSE;
- spin_unlock_irqrestore(&mac->lock, flags);
- /* Send our response */
- ieee80211softmac_send_mgt_frame(mac, aq->net, IEEE80211_STYPE_AUTH, aq->state);
+ /* 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_WORK(&aq->work, &ieee80211softmac_auth_challenge_response, (void *)aq);
+ schedule_work(&aq->work);
+ spin_unlock_irqrestore(&mac->lock, flags);
return 0;
case IEEE80211SOFTMAC_AUTH_SHARED_PASS:
kfree(net->challenge);
diff --git a/net/ieee80211/softmac/ieee80211softmac_io.c b/net/ieee80211/softmac/ieee80211softmac_io.c
index 09541611e48..6ae5a1dc795 100644
--- a/net/ieee80211/softmac/ieee80211softmac_io.c
+++ b/net/ieee80211/softmac/ieee80211softmac_io.c
@@ -96,8 +96,7 @@ ieee80211softmac_alloc_mgt(u32 size)
if(size > IEEE80211_DATA_LEN)
return NULL;
/* Allocate the frame */
- data = kmalloc(size, GFP_ATOMIC);
- memset(data, 0, size);
+ data = kzalloc(size, GFP_ATOMIC);
return data;
}
@@ -229,6 +228,9 @@ ieee80211softmac_assoc_req(struct ieee80211_assoc_request **pkt,
return 0;
ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_ASSOC_REQ, net->bssid, net->bssid);
+ /* Fill in the capabilities */
+ (*pkt)->capability = ieee80211softmac_capabilities(mac, net);
+
/* Fill in Listen Interval (?) */
(*pkt)->listen_interval = cpu_to_le16(10);
diff --git a/net/ieee80211/softmac/ieee80211softmac_wx.c b/net/ieee80211/softmac/ieee80211softmac_wx.c
index 0e65ff4e33f..75320b6842a 100644
--- a/net/ieee80211/softmac/ieee80211softmac_wx.c
+++ b/net/ieee80211/softmac/ieee80211softmac_wx.c
@@ -70,12 +70,44 @@ ieee80211softmac_wx_set_essid(struct net_device *net_dev,
char *extra)
{
struct ieee80211softmac_device *sm = ieee80211_priv(net_dev);
+ struct ieee80211softmac_network *n;
+ struct ieee80211softmac_auth_queue_item *authptr;
int length = 0;
unsigned long flags;
-
+
+ /* Check if we're already associating to this or another network
+ * If it's another network, cancel and start over with our new network
+ * If it's our network, ignore the change, we're already doing it!
+ */
+ if((sm->associnfo.associating || sm->associated) &&
+ (data->essid.flags && data->essid.length && extra)) {
+ /* Get the associating network */
+ n = ieee80211softmac_get_network_by_bssid(sm, sm->associnfo.bssid);
+ if(n && n->essid.len == (data->essid.length - 1) &&
+ !memcmp(n->essid.data, extra, n->essid.len)) {
+ dprintk(KERN_INFO PFX "Already associating or associated to "MAC_FMT"\n",
+ MAC_ARG(sm->associnfo.bssid));
+ return 0;
+ } else {
+ dprintk(KERN_INFO PFX "Canceling existing associate request!\n");
+ spin_lock_irqsave(&sm->lock,flags);
+ /* Cancel assoc work */
+ cancel_delayed_work(&sm->associnfo.work);
+ /* We don't have to do this, but it's a little cleaner */
+ list_for_each_entry(authptr, &sm->auth_queue, list)
+ cancel_delayed_work(&authptr->work);
+ sm->associnfo.bssvalid = 0;
+ sm->associnfo.bssfixed = 0;
+ spin_unlock_irqrestore(&sm->lock,flags);
+ flush_scheduled_work();
+ }
+ }
+
+
spin_lock_irqsave(&sm->lock, flags);
-
+
sm->associnfo.static_essid = 0;
+ sm->associnfo.assoc_wait = 0;
if (data->essid.flags && data->essid.length && extra /*required?*/) {
length = min(data->essid.length - 1, IW_ESSID_MAX_SIZE);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-22 11:37:42 +0000