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-rw-r--r--net/wireless/wext-compat.c66
1 files changed, 48 insertions, 18 deletions
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index a32065d600a1..ddf340bfa07a 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -7,7 +7,7 @@
* we directly assign the wireless handlers of wireless interfaces.
*
* Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2019-2021 Intel Corporation
+ * Copyright (C) 2019-2022 Intel Corporation
*/
#include <linux/export.h>
@@ -415,6 +415,9 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
int err, i;
bool rejoin = false;
+ if (wdev->valid_links)
+ return -EINVAL;
+
if (pairwise && !addr)
return -EINVAL;
@@ -437,7 +440,7 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
return -EOPNOTSUPP;
if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
- if (!wdev->current_bss)
+ if (!wdev->connected)
return -ENOLINK;
if (!rdev->ops->set_default_mgmt_key)
@@ -450,7 +453,9 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
if (remove) {
err = 0;
- if (wdev->current_bss) {
+ if (wdev->connected ||
+ (wdev->iftype == NL80211_IFTYPE_ADHOC &&
+ wdev->u.ibss.current_bss)) {
/*
* If removing the current TX key, we will need to
* join a new IBSS without the privacy bit clear.
@@ -465,7 +470,7 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
!(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
err = -ENOENT;
else
- err = rdev_del_key(rdev, dev, idx, pairwise,
+ err = rdev_del_key(rdev, dev, -1, idx, pairwise,
addr);
}
wdev->wext.connect.privacy = false;
@@ -501,8 +506,10 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
return -EINVAL;
err = 0;
- if (wdev->current_bss)
- err = rdev_add_key(rdev, dev, idx, pairwise, addr, params);
+ if (wdev->connected ||
+ (wdev->iftype == NL80211_IFTYPE_ADHOC &&
+ wdev->u.ibss.current_bss))
+ err = rdev_add_key(rdev, dev, -1, idx, pairwise, addr, params);
else if (params->cipher != WLAN_CIPHER_SUITE_WEP40 &&
params->cipher != WLAN_CIPHER_SUITE_WEP104)
return -EINVAL;
@@ -526,7 +533,9 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
(tx_key || (!addr && wdev->wext.default_key == -1))) {
- if (wdev->current_bss) {
+ if (wdev->connected ||
+ (wdev->iftype == NL80211_IFTYPE_ADHOC &&
+ wdev->u.ibss.current_bss)) {
/*
* If we are getting a new TX key from not having
* had one before we need to join a new IBSS with
@@ -537,7 +546,8 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
__cfg80211_leave_ibss(rdev, wdev->netdev, true);
rejoin = true;
}
- err = rdev_set_default_key(rdev, dev, idx, true, true);
+ err = rdev_set_default_key(rdev, dev, -1, idx, true,
+ true);
}
if (!err) {
wdev->wext.default_key = idx;
@@ -549,8 +559,10 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
(tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
- if (wdev->current_bss)
- err = rdev_set_default_mgmt_key(rdev, dev, idx);
+ if (wdev->connected ||
+ (wdev->iftype == NL80211_IFTYPE_ADHOC &&
+ wdev->u.ibss.current_bss))
+ err = rdev_set_default_mgmt_key(rdev, dev, -1, idx);
if (!err)
wdev->wext.default_mgmt_key = idx;
return err;
@@ -595,6 +607,11 @@ static int cfg80211_wext_siwencode(struct net_device *dev,
return -EOPNOTSUPP;
wiphy_lock(&rdev->wiphy);
+ if (wdev->valid_links) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
idx = erq->flags & IW_ENCODE_INDEX;
if (idx == 0) {
idx = wdev->wext.default_key;
@@ -613,8 +630,10 @@ static int cfg80211_wext_siwencode(struct net_device *dev,
/* No key data - just set the default TX key index */
err = 0;
wdev_lock(wdev);
- if (wdev->current_bss)
- err = rdev_set_default_key(rdev, dev, idx, true,
+ if (wdev->connected ||
+ (wdev->iftype == NL80211_IFTYPE_ADHOC &&
+ wdev->u.ibss.current_bss))
+ err = rdev_set_default_key(rdev, dev, -1, idx, true,
true);
if (!err)
wdev->wext.default_key = idx;
@@ -667,6 +686,13 @@ static int cfg80211_wext_siwencodeext(struct net_device *dev,
!rdev->ops->set_default_key)
return -EOPNOTSUPP;
+ wdev_lock(wdev);
+ if (wdev->valid_links) {
+ wdev_unlock(wdev);
+ return -EOPNOTSUPP;
+ }
+ wdev_unlock(wdev);
+
switch (ext->alg) {
case IW_ENCODE_ALG_NONE:
remove = true;
@@ -865,7 +891,7 @@ static int cfg80211_wext_giwfreq(struct net_device *dev,
break;
}
- ret = rdev_get_channel(rdev, wdev, &chandef);
+ ret = rdev_get_channel(rdev, wdev, 0, &chandef);
if (ret)
break;
freq->m = chandef.chan->center_freq;
@@ -1270,7 +1296,10 @@ static int cfg80211_wext_siwrate(struct net_device *dev,
return -EINVAL;
wiphy_lock(&rdev->wiphy);
- ret = rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
+ if (dev->ieee80211_ptr->valid_links)
+ ret = -EOPNOTSUPP;
+ else
+ ret = rdev_set_bitrate_mask(rdev, dev, 0, NULL, &mask);
wiphy_unlock(&rdev->wiphy);
return ret;
@@ -1294,8 +1323,9 @@ static int cfg80211_wext_giwrate(struct net_device *dev,
err = 0;
wdev_lock(wdev);
- if (wdev->current_bss)
- memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN);
+ if (!wdev->valid_links && wdev->links[0].client.current_bss)
+ memcpy(addr, wdev->links[0].client.current_bss->pub.bssid,
+ ETH_ALEN);
else
err = -EOPNOTSUPP;
wdev_unlock(wdev);
@@ -1339,11 +1369,11 @@ static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
/* Grab BSSID of current BSS, if any */
wdev_lock(wdev);
- if (!wdev->current_bss) {
+ if (wdev->valid_links || !wdev->links[0].client.current_bss) {
wdev_unlock(wdev);
return NULL;
}
- memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
+ memcpy(bssid, wdev->links[0].client.current_bss->pub.bssid, ETH_ALEN);
wdev_unlock(wdev);
memset(&sinfo, 0, sizeof(sinfo));
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.