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-rw-r--r--net/wireless/mlme.c4
-rw-r--r--net/wireless/nl80211.c119
2 files changed, 114 insertions, 9 deletions
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 493b939970cd..3633ab6af184 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -170,7 +170,9 @@ void __cfg80211_send_deauth(struct net_device *dev,
break;
}
if (wdev->authtry_bsses[i] &&
- memcmp(wdev->authtry_bsses[i]->pub.bssid, bssid, ETH_ALEN) == 0) {
+ memcmp(wdev->authtry_bsses[i]->pub.bssid, bssid,
+ ETH_ALEN) == 0 &&
+ memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) == 0) {
cfg80211_unhold_bss(wdev->authtry_bsses[i]);
cfg80211_put_bss(&wdev->authtry_bsses[i]->pub);
wdev->authtry_bsses[i] = NULL;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index f07602d7bf68..50ff82aa4890 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3620,7 +3620,8 @@ static int nl80211_stop_sched_scan(struct sk_buff *skb,
return __cfg80211_stop_sched_scan(rdev, false);
}
-static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags,
+static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
+ u32 seq, int flags,
struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
struct cfg80211_internal_bss *intbss)
@@ -3632,11 +3633,13 @@ static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags,
ASSERT_WDEV_LOCK(wdev);
- hdr = nl80211hdr_put(msg, pid, seq, flags,
+ hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).pid, seq, flags,
NL80211_CMD_NEW_SCAN_RESULTS);
if (!hdr)
return -1;
+ genl_dump_check_consistent(cb, hdr, &nl80211_fam);
+
NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex);
@@ -3725,11 +3728,12 @@ static int nl80211_dump_scan(struct sk_buff *skb,
spin_lock_bh(&rdev->bss_lock);
cfg80211_bss_expire(rdev);
+ cb->seq = rdev->bss_generation;
+
list_for_each_entry(scan, &rdev->bss_list, list) {
if (++idx <= start)
continue;
- if (nl80211_send_bss(skb,
- NETLINK_CB(cb->skb).pid,
+ if (nl80211_send_bss(skb, cb,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
rdev, wdev, scan) < 0) {
idx--;
@@ -3753,10 +3757,6 @@ static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq,
void *hdr;
struct nlattr *infoattr;
- /* Survey without a channel doesn't make sense */
- if (!survey->channel)
- return -EINVAL;
-
hdr = nl80211hdr_put(msg, pid, seq, flags,
NL80211_CMD_NEW_SURVEY_RESULTS);
if (!hdr)
@@ -3819,6 +3819,8 @@ static int nl80211_dump_survey(struct sk_buff *skb,
}
while (1) {
+ struct ieee80211_channel *chan;
+
res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx,
&survey);
if (res == -ENOENT)
@@ -3826,6 +3828,19 @@ static int nl80211_dump_survey(struct sk_buff *skb,
if (res)
goto out_err;
+ /* Survey without a channel doesn't make sense */
+ if (!survey.channel) {
+ res = -EINVAL;
+ goto out;
+ }
+
+ chan = ieee80211_get_channel(&dev->wiphy,
+ survey.channel->center_freq);
+ if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
+ survey_idx++;
+ continue;
+ }
+
if (nl80211_send_survey(skb,
NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
@@ -4360,6 +4375,93 @@ static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
return err;
}
+static int nl80211_testmode_dump(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct cfg80211_registered_device *dev;
+ int err;
+ long phy_idx;
+ void *data = NULL;
+ int data_len = 0;
+
+ if (cb->args[0]) {
+ /*
+ * 0 is a valid index, but not valid for args[0],
+ * so we need to offset by 1.
+ */
+ phy_idx = cb->args[0] - 1;
+ } else {
+ err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
+ nl80211_fam.attrbuf, nl80211_fam.maxattr,
+ nl80211_policy);
+ if (err)
+ return err;
+ if (!nl80211_fam.attrbuf[NL80211_ATTR_WIPHY])
+ return -EINVAL;
+ phy_idx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]);
+ if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
+ cb->args[1] =
+ (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
+ }
+
+ if (cb->args[1]) {
+ data = nla_data((void *)cb->args[1]);
+ data_len = nla_len((void *)cb->args[1]);
+ }
+
+ mutex_lock(&cfg80211_mutex);
+ dev = cfg80211_rdev_by_wiphy_idx(phy_idx);
+ if (!dev) {
+ mutex_unlock(&cfg80211_mutex);
+ return -ENOENT;
+ }
+ cfg80211_lock_rdev(dev);
+ mutex_unlock(&cfg80211_mutex);
+
+ if (!dev->ops->testmode_dump) {
+ err = -EOPNOTSUPP;
+ goto out_err;
+ }
+
+ while (1) {
+ void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ NL80211_CMD_TESTMODE);
+ struct nlattr *tmdata;
+
+ if (nla_put_u32(skb, NL80211_ATTR_WIPHY, dev->wiphy_idx) < 0) {
+ genlmsg_cancel(skb, hdr);
+ break;
+ }
+
+ tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
+ if (!tmdata) {
+ genlmsg_cancel(skb, hdr);
+ break;
+ }
+ err = dev->ops->testmode_dump(&dev->wiphy, skb, cb,
+ data, data_len);
+ nla_nest_end(skb, tmdata);
+
+ if (err == -ENOBUFS || err == -ENOENT) {
+ genlmsg_cancel(skb, hdr);
+ break;
+ } else if (err) {
+ genlmsg_cancel(skb, hdr);
+ goto out_err;
+ }
+
+ genlmsg_end(skb, hdr);
+ }
+
+ err = skb->len;
+ /* see above */
+ cb->args[0] = phy_idx + 1;
+ out_err:
+ cfg80211_unlock_rdev(dev);
+ return err;
+}
+
static struct sk_buff *
__cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev,
int approxlen, u32 pid, u32 seq, gfp_t gfp)
@@ -5657,6 +5759,7 @@ static struct genl_ops nl80211_ops[] = {
{
.cmd = NL80211_CMD_TESTMODE,
.doit = nl80211_testmode_do,
+ .dumpit = nl80211_testmode_dump,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_WIPHY |
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-03 18:56:06 +0000