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mac80211: In IBSS the DA field of auth frames is different from BSSID

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In case of authentication frame exchange between two IBSS STAs, the
DA field must contain the destinatioin address (instead of the BSSID).

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Antonio Quartulli 2012-01-09 19:43:06 +01:00 committed by John W. Linville
parent e9980e6d20
commit efa6a09db6
4 changed files with 8 additions and 7 deletions
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2
net/mac80211/ibss.c
View File

@ -57,7 +57,7 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
* has actually implemented this.
*/
if (auth_alg == WLAN_AUTH_OPEN && auth_transaction == 1)
ieee80211_send_auth(sdata, 2, WLAN_AUTH_OPEN, NULL, 0,
ieee80211_send_auth(sdata, 2, WLAN_AUTH_OPEN, NULL, 0, mgmt->sa,
sdata->u.ibss.bssid, NULL, 0, 0);
}

2
net/mac80211/ieee80211_i.h
View File

@ -1396,7 +1396,7 @@ void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local,
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg,
u8 *extra, size_t extra_len, const u8 *bssid,
const u8 *key, u8 key_len, u8 key_idx);
const u8 *da, const u8 *key, u8 key_len, u8 key_idx);
int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
const u8 *ie, size_t ie_len,
enum ieee80211_band band, u32 rate_mask,

6
net/mac80211/util.c
View File

@ -862,8 +862,8 @@ u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg,
u8 *extra, size_t extra_len, const u8 *bssid,
const u8 *key, u8 key_len, u8 key_idx)
u8 *extra, size_t extra_len, const u8 *da,
const u8 *bssid, const u8 *key, u8 key_len, u8 key_idx)
{
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
@ -881,7 +881,7 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
memset(mgmt, 0, 24 + 6);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_AUTH);
memcpy(mgmt->da, bssid, ETH_ALEN);
memcpy(mgmt->da, da, ETH_ALEN);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
memcpy(mgmt->bssid, bssid, ETH_ALEN);
mgmt->u.auth.auth_alg = cpu_to_le16(auth_alg);

5
net/mac80211/work.c
View File

@ -480,7 +480,8 @@ ieee80211_authenticate(struct ieee80211_work *wk)
sdata->name, wk->filter_ta, wk->probe_auth.tries);
ieee80211_send_auth(sdata, 1, wk->probe_auth.algorithm, wk->ie,
wk->ie_len, wk->filter_ta, NULL, 0, 0);
wk->ie_len, wk->filter_ta, wk->filter_ta, NULL, 0,
0);
wk->probe_auth.transaction = 2;
wk->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
@ -598,7 +599,7 @@ static void ieee80211_auth_challenge(struct ieee80211_work *wk,
return;
ieee80211_send_auth(sdata, 3, wk->probe_auth.algorithm,
elems.challenge - 2, elems.challenge_len + 2,
wk->filter_ta, wk->probe_auth.key,
wk->filter_ta, wk->filter_ta, wk->probe_auth.key,
wk->probe_auth.key_len, wk->probe_auth.key_idx);
wk->probe_auth.transaction = 4;
}