#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <linux/workqueue.h>
+#include <linux/wireless.h>
+#include <net/iw_handler.h>
#include <net/cfg80211.h>
#include <net/rtnetlink.h>
#include "nl80211.h"
+#include "reg.h"
struct cfg80211_conn {
struct cfg80211_connect_params params;
CFG80211_CONN_ASSOCIATE_NEXT,
CFG80211_CONN_ASSOCIATING,
} state;
- u8 bssid[ETH_ALEN];
+ u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
u8 *ie;
size_t ie_len;
- bool auto_auth;
+ bool auto_auth, prev_bssid_valid;
};
if (!request)
return -ENOMEM;
- request->channels = (void *)((char *)request + sizeof(*request));
if (wdev->conn->params.channel)
request->channels[0] = wdev->conn->params.channel;
else {
}
}
request->n_channels = n_channels;
- request->ssids = (void *)(request->channels + n_channels);
+ request->ssids = (void *)&request->channels[n_channels];
request->n_ssids = 1;
memcpy(request->ssids[0].ssid, wdev->conn->params.ssid,
wdev->conn->params.ssid_len);
request->ssids[0].ssid_len = wdev->conn->params.ssid_len;
- request->ifidx = wdev->netdev->ifindex;
+ request->dev = wdev->netdev;
request->wiphy = &rdev->wiphy;
rdev->scan_req = request;
if (!err) {
wdev->conn->state = CFG80211_CONN_SCANNING;
nl80211_send_scan_start(rdev, wdev->netdev);
+ dev_hold(wdev->netdev);
} else {
rdev->scan_req = NULL;
kfree(request);
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
struct cfg80211_connect_params *params;
+ const u8 *prev_bssid = NULL;
int err;
ASSERT_WDEV_LOCK(wdev);
params->channel, params->auth_type,
params->bssid,
params->ssid, params->ssid_len,
- NULL, 0);
+ NULL, 0,
+ params->key, params->key_len,
+ params->key_idx);
case CFG80211_CONN_ASSOCIATE_NEXT:
BUG_ON(!rdev->ops->assoc);
wdev->conn->state = CFG80211_CONN_ASSOCIATING;
- /*
- * We could, later, implement roaming here and then actually
- * set prev_bssid to non-NULL. But then we need to be aware
- * that some APs don't like that -- so we'd need to retry
- * the association.
- */
+ if (wdev->conn->prev_bssid_valid)
+ prev_bssid = wdev->conn->prev_bssid;
err = __cfg80211_mlme_assoc(rdev, wdev->netdev,
params->channel, params->bssid,
- NULL,
+ prev_bssid,
params->ssid, params->ssid_len,
params->ie, params->ie_len,
false, ¶ms->crypto);
wdev->conn->params.bssid,
NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
- false);
+ false, NULL);
wdev_unlock(wdev);
}
if (wdev->sme_state != CFG80211_SME_CONNECTING)
return;
- if (WARN_ON(!wdev->conn))
+ if (!wdev->conn)
return;
if (wdev->conn->state != CFG80211_CONN_SCANNING &&
wdev->conn->params.bssid,
NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
- false);
+ false, NULL);
}
}
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ mutex_lock(&wiphy_to_dev(wdev->wiphy)->devlist_mtx);
wdev_lock(wdev);
__cfg80211_sme_scan_done(dev);
wdev_unlock(wdev);
+ mutex_unlock(&wiphy_to_dev(wdev->wiphy)->devlist_mtx);
}
void cfg80211_sme_rx_auth(struct net_device *dev,
/* select automatically between only open, shared, leap */
switch (wdev->conn->params.auth_type) {
case NL80211_AUTHTYPE_OPEN_SYSTEM:
- wdev->conn->params.auth_type =
- NL80211_AUTHTYPE_SHARED_KEY;
+ if (wdev->connect_keys)
+ wdev->conn->params.auth_type =
+ NL80211_AUTHTYPE_SHARED_KEY;
+ else
+ wdev->conn->params.auth_type =
+ NL80211_AUTHTYPE_NETWORK_EAP;
break;
case NL80211_AUTHTYPE_SHARED_KEY:
wdev->conn->params.auth_type =
wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT;
schedule_work(&rdev->conn_work);
} else if (status_code != WLAN_STATUS_SUCCESS) {
- wdev->sme_state = CFG80211_SME_IDLE;
- kfree(wdev->conn);
- wdev->conn = NULL;
+ __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
+ status_code, false, NULL);
} else if (wdev->sme_state == CFG80211_SME_CONNECTING &&
wdev->conn->state == CFG80211_CONN_AUTHENTICATING) {
wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT;
}
}
+bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev)
+{
+ struct wiphy *wiphy = wdev->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ if (WARN_ON(!wdev->conn))
+ return false;
+
+ if (!wdev->conn->prev_bssid_valid)
+ return false;
+
+ /*
+ * Some stupid APs don't accept reassoc, so we
+ * need to fall back to trying regular assoc.
+ */
+ wdev->conn->prev_bssid_valid = false;
+ wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT;
+ schedule_work(&rdev->conn_work);
+
+ return true;
+}
+
void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
const u8 *req_ie, size_t req_ie_len,
const u8 *resp_ie, size_t resp_ie_len,
- u16 status, bool wextev)
+ u16 status, bool wextev,
+ struct cfg80211_bss *bss)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct cfg80211_bss *bss;
+ u8 *country_ie;
#ifdef CONFIG_WIRELESS_EXT
union iwreq_data wrqu;
#endif
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
return;
- if (wdev->sme_state == CFG80211_SME_CONNECTED)
- nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), dev,
+ if (WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTING))
+ return;
+
+ nl80211_send_connect_result(wiphy_to_dev(wdev->wiphy), dev,
bssid, req_ie, req_ie_len,
- resp_ie, resp_ie_len, GFP_KERNEL);
- else
- nl80211_send_connect_result(wiphy_to_dev(wdev->wiphy), dev,
- bssid, req_ie, req_ie_len,
- resp_ie, resp_ie_len,
- status, GFP_KERNEL);
+ resp_ie, resp_ie_len,
+ status, GFP_KERNEL);
#ifdef CONFIG_WIRELESS_EXT
if (wextev) {
if (req_ie && status == WLAN_STATUS_SUCCESS) {
memset(&wrqu, 0, sizeof(wrqu));
wrqu.data.length = req_ie_len;
- wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, req_ie);
+ wireless_send_event(dev, IWEVASSOCREQIE, &wrqu, req_ie);
}
if (resp_ie && status == WLAN_STATUS_SUCCESS) {
memset(&wrqu, 0, sizeof(wrqu));
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- if (bssid && status == WLAN_STATUS_SUCCESS)
+ if (bssid && status == WLAN_STATUS_SUCCESS) {
memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
+ memcpy(wdev->wext.prev_bssid, bssid, ETH_ALEN);
+ wdev->wext.prev_bssid_valid = true;
+ }
wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
}
#endif
- if (status == WLAN_STATUS_SUCCESS &&
- wdev->sme_state == CFG80211_SME_IDLE) {
- wdev->sme_state = CFG80211_SME_CONNECTED;
- return;
- }
-
- if (wdev->sme_state != CFG80211_SME_CONNECTING)
- return;
-
if (wdev->current_bss) {
cfg80211_unhold_bss(wdev->current_bss);
cfg80211_put_bss(&wdev->current_bss->pub);
if (wdev->conn)
wdev->conn->state = CFG80211_CONN_IDLE;
- if (status == WLAN_STATUS_SUCCESS) {
+ if (status != WLAN_STATUS_SUCCESS) {
+ wdev->sme_state = CFG80211_SME_IDLE;
+ kfree(wdev->conn);
+ wdev->conn = NULL;
+ kfree(wdev->connect_keys);
+ wdev->connect_keys = NULL;
+ wdev->ssid_len = 0;
+ return;
+ }
+
+ if (!bss)
bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
wdev->ssid, wdev->ssid_len,
WLAN_CAPABILITY_ESS,
WLAN_CAPABILITY_ESS);
- if (WARN_ON(!bss))
- return;
+ if (WARN_ON(!bss))
+ return;
- cfg80211_hold_bss(bss_from_pub(bss));
- wdev->current_bss = bss_from_pub(bss);
+ cfg80211_hold_bss(bss_from_pub(bss));
+ wdev->current_bss = bss_from_pub(bss);
- wdev->sme_state = CFG80211_SME_CONNECTED;
- } else {
- wdev->sme_state = CFG80211_SME_IDLE;
- kfree(wdev->conn);
- wdev->conn = NULL;
- }
+ wdev->sme_state = CFG80211_SME_CONNECTED;
+ cfg80211_upload_connect_keys(wdev);
+
+ country_ie = (u8 *) ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
+
+ if (!country_ie)
+ return;
+
+ /*
+ * ieee80211_bss_get_ie() ensures we can access:
+ * - country_ie + 2, the start of the country ie data, and
+ * - and country_ie[1] which is the IE length
+ */
+ regulatory_hint_11d(wdev->wiphy,
+ country_ie + 2,
+ country_ie[1]);
}
void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
if (req_ie) {
memset(&wrqu, 0, sizeof(wrqu));
wrqu.data.length = req_ie_len;
- wireless_send_event(wdev->netdev, IWEVASSOCRESPIE,
+ wireless_send_event(wdev->netdev, IWEVASSOCREQIE,
&wrqu, req_ie);
}
memset(&wrqu, 0, sizeof(wrqu));
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
+ memcpy(wdev->wext.prev_bssid, bssid, ETH_ALEN);
+ wdev->wext.prev_bssid_valid = true;
wireless_send_event(wdev->netdev, SIOCGIWAP, &wrqu, NULL);
#endif
}
size_t ie_len, u16 reason, bool from_ap)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ int i;
#ifdef CONFIG_WIRELESS_EXT
union iwreq_data wrqu;
#endif
wdev->current_bss = NULL;
wdev->sme_state = CFG80211_SME_IDLE;
+ wdev->ssid_len = 0;
if (wdev->conn) {
+ const u8 *bssid;
+ int ret;
+
kfree(wdev->conn->ie);
wdev->conn->ie = NULL;
kfree(wdev->conn);
wdev->conn = NULL;
+
+ /*
+ * If this disconnect was due to a disassoc, we
+ * we might still have an auth BSS around. For
+ * the userspace SME that's currently expected,
+ * but for the kernel SME (nl80211 CONNECT or
+ * wireless extensions) we want to clear up all
+ * state.
+ */
+ for (i = 0; i < MAX_AUTH_BSSES; i++) {
+ if (!wdev->auth_bsses[i])
+ continue;
+ bssid = wdev->auth_bsses[i]->pub.bssid;
+ ret = __cfg80211_mlme_deauth(rdev, dev, bssid, NULL, 0,
+ WLAN_REASON_DEAUTH_LEAVING);
+ WARN(ret, "deauth failed: %d\n", ret);
+ }
}
- nl80211_send_disconnected(wiphy_to_dev(wdev->wiphy), dev,
- reason, ie, ie_len, from_ap);
+ nl80211_send_disconnected(rdev, dev, reason, ie, ie_len, from_ap);
+
+ /*
+ * Delete all the keys ... pairwise keys can't really
+ * exist any more anyway, but default keys might.
+ */
+ if (rdev->ops->del_key)
+ for (i = 0; i < 6; i++)
+ rdev->ops->del_key(wdev->wiphy, dev, i, NULL);
#ifdef CONFIG_WIRELESS_EXT
memset(&wrqu, 0, sizeof(wrqu));
int __cfg80211_connect(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- struct cfg80211_connect_params *connect)
+ struct cfg80211_connect_params *connect,
+ struct cfg80211_cached_keys *connkeys,
+ const u8 *prev_bssid)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct ieee80211_channel *chan;
int err;
ASSERT_WDEV_LOCK(wdev);
if (wdev->sme_state != CFG80211_SME_IDLE)
return -EALREADY;
+ chan = rdev_fixed_channel(rdev, wdev);
+ if (chan && chan != connect->channel)
+ return -EBUSY;
+
+ if (WARN_ON(wdev->connect_keys)) {
+ kfree(wdev->connect_keys);
+ wdev->connect_keys = NULL;
+ }
+
+ if (connkeys && connkeys->def >= 0) {
+ int idx;
+ u32 cipher;
+
+ idx = connkeys->def;
+ cipher = connkeys->params[idx].cipher;
+ /* If given a WEP key we may need it for shared key auth */
+ if (cipher == WLAN_CIPHER_SUITE_WEP40 ||
+ cipher == WLAN_CIPHER_SUITE_WEP104) {
+ connect->key_idx = idx;
+ connect->key = connkeys->params[idx].key;
+ connect->key_len = connkeys->params[idx].key_len;
+
+ /*
+ * If ciphers are not set (e.g. when going through
+ * iwconfig), we have to set them appropriately here.
+ */
+ if (connect->crypto.cipher_group == 0)
+ connect->crypto.cipher_group = cipher;
+
+ if (connect->crypto.n_ciphers_pairwise == 0) {
+ connect->crypto.n_ciphers_pairwise = 1;
+ connect->crypto.ciphers_pairwise[0] = cipher;
+ }
+ }
+ }
+
if (!rdev->ops->connect) {
if (!rdev->ops->auth || !rdev->ops->assoc)
return -EOPNOTSUPP;
cfg80211_get_conn_bss(wdev);
wdev->sme_state = CFG80211_SME_CONNECTING;
+ wdev->connect_keys = connkeys;
+
+ if (prev_bssid) {
+ memcpy(wdev->conn->prev_bssid, prev_bssid, ETH_ALEN);
+ wdev->conn->prev_bssid_valid = true;
+ }
/* we're good if we have both BSSID and channel */
if (wdev->conn->params.bssid && wdev->conn->params.channel) {
kfree(wdev->conn);
wdev->conn = NULL;
wdev->sme_state = CFG80211_SME_IDLE;
+ wdev->connect_keys = NULL;
+ wdev->ssid_len = 0;
}
return err;
} else {
wdev->sme_state = CFG80211_SME_CONNECTING;
+ wdev->connect_keys = connkeys;
err = rdev->ops->connect(&rdev->wiphy, dev, connect);
if (err) {
+ wdev->connect_keys = NULL;
wdev->sme_state = CFG80211_SME_IDLE;
return err;
}
int cfg80211_connect(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- struct cfg80211_connect_params *connect)
+ struct cfg80211_connect_params *connect,
+ struct cfg80211_cached_keys *connkeys)
{
int err;
+ mutex_lock(&rdev->devlist_mtx);
wdev_lock(dev->ieee80211_ptr);
- err = __cfg80211_connect(rdev, dev, connect);
+ err = __cfg80211_connect(rdev, dev, connect, connkeys, NULL);
wdev_unlock(dev->ieee80211_ptr);
+ mutex_unlock(&rdev->devlist_mtx);
return err;
}
if (wdev->sme_state == CFG80211_SME_IDLE)
return -EINVAL;
+ kfree(wdev->connect_keys);
+ wdev->connect_keys = NULL;
+
if (!rdev->ops->disconnect) {
if (!rdev->ops->deauth)
return -EOPNOTSUPP;
wdev->sme_state = CFG80211_SME_IDLE;
kfree(wdev->conn);
wdev->conn = NULL;
+ wdev->ssid_len = 0;
return 0;
}
else if (wdev->sme_state == CFG80211_SME_CONNECTING)
__cfg80211_connect_result(dev, NULL, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
- wextev);
+ wextev, NULL);
return 0;
}
return;
memcpy(bssid, wdev->auth_bsses[idx]->pub.bssid, ETH_ALEN);
- if (cfg80211_mlme_deauth(rdev, dev, bssid,
- NULL, 0, WLAN_REASON_DEAUTH_LEAVING)) {
+ if (__cfg80211_mlme_deauth(rdev, dev, bssid,
+ NULL, 0, WLAN_REASON_DEAUTH_LEAVING)) {
/* whatever -- assume gone anyway */
cfg80211_unhold_bss(wdev->auth_bsses[idx]);
cfg80211_put_bss(&wdev->auth_bsses[idx]->pub);
git.openpandora.org / pandora-kernel.git / blobdiff