Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d114f399b4da6fa7f9da3bbf1fb841370c11e788
Commit: d114f399b4da6fa7f9da3bbf1fb841370c11e788
Parent: fe537c0ee86b27fbe0690a7869815da80f492dbd
Author: John W. Linville <[EMAIL PROTECTED]>
AuthorDate: Wed Oct 17 21:16:16 2007 -0700
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Oct 17 21:16:16 2007 -0700
[MAC80211]: only honor IW_SCAN_THIS_ESSID in STA, IBSS, and AP modes
The previous IW_SCAN_THIS_ESSID patch left a hole allowing scan
requests on interfaces in inappropriate modes.
Signed-off-by: John W. Linville <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
net/mac80211/ieee80211_ioctl.c | 37 +++++++++++++++++++------------------
1 files changed, 19 insertions(+), 18 deletions(-)
diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index a57fed7..6caa3ec 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -522,29 +522,30 @@ static int ieee80211_ioctl_siwscan(struct net_device *dev,
if (!netif_running(dev))
return -ENETDOWN;
+ switch (sdata->type) {
+ case IEEE80211_IF_TYPE_STA:
+ case IEEE80211_IF_TYPE_IBSS:
+ if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
+ ssid = sdata->u.sta.ssid;
+ ssid_len = sdata->u.sta.ssid_len;
+ }
+ break;
+ case IEEE80211_IF_TYPE_AP:
+ if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
+ ssid = sdata->u.ap.ssid;
+ ssid_len = sdata->u.ap.ssid_len;
+ }
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ /* if SSID was specified explicitly then use that */
if (wrqu->data.length == sizeof(struct iw_scan_req) &&
wrqu->data.flags & IW_SCAN_THIS_ESSID) {
req = (struct iw_scan_req *)extra;
ssid = req->essid;
ssid_len = req->essid_len;
- } else {
- switch (sdata->type) {
- case IEEE80211_IF_TYPE_STA:
- case IEEE80211_IF_TYPE_IBSS:
- if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
- ssid = sdata->u.sta.ssid;
- ssid_len = sdata->u.sta.ssid_len;
- }
- break;
- case IEEE80211_IF_TYPE_AP:
- if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
- ssid = sdata->u.ap.ssid;
- ssid_len = sdata->u.ap.ssid_len;
- }
- break;
- default:
- return -EOPNOTSUPP;
- }
}
return ieee80211_sta_req_scan(dev, ssid, ssid_len);
-
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