Amazing-Mirror/fragattacks
1
0
Fork 0
mirror of https://github.com/vanhoefm/fragattacks.git synced 2024-11-25 00:38:24 -05:00
Code Issues Projects Releases Wiki Activity

wlantest: Search bss/sta entry more thoroughly for 4-address frames

Browse Source 
Previous design worked for the case where only one of the devices was
beaconing, but failed in one direction to find the PTK if both devices
beaconed. Fix this by checking the A1/A2 fields in both directions if
the first pick fails to find the sta entry.

In addition, select the proper rsc value (rsc_tods vs. rsc_fromds) based
on A2 (TA) value for ToDS+FromDS frames to avoid reporting incorrect
replay issues.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2017-11-15 02:12:20 +02:00 committed by Jouni Malinen
parent af6614ca10
commit aab6612836
1 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
wlantest/rx_data.c
View File

@ -250,7 +250,7 @@ static void rx_data_bss_prot(struct wlantest *wt,
const u8 *qos, const u8 *dst, const u8 *src,
const u8 *data, size_t len)
{
struct wlantest_bss *bss;
struct wlantest_bss *bss, *bss2;
struct wlantest_sta *sta, *sta2;
int keyid;
u16 fc = le_to_host16(hdr->frame_control);
@ -275,9 +275,17 @@ static void rx_data_bss_prot(struct wlantest *wt,
bss = bss_find(wt, hdr->addr1);
if (bss) {
sta = sta_find(bss, hdr->addr2);
if (sta)
if (sta) {
sta->counters[
WLANTEST_STA_COUNTER_PROT_DATA_TX]++;
} else {
bss2 = bss_find(wt, hdr->addr2);
if (bss2) {
sta = sta_find(bss2, hdr->addr1);
if (sta)
bss = bss2;
}
}
} else {
bss = bss_find(wt, hdr->addr2);
if (!bss)
@ -393,6 +401,12 @@ static void rx_data_bss_prot(struct wlantest *wt,
rsc = tdls->rsc_init[tid];
else
rsc = tdls->rsc_resp[tid];
} else if ((fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
(WLAN_FC_TODS | WLAN_FC_FROMDS)) {
if (os_memcmp(sta->addr, hdr->addr2, ETH_ALEN) == 0)
rsc = sta->rsc_tods[tid];
else
rsc = sta->rsc_fromds[tid];
} else if (fc & WLAN_FC_TODS)
rsc = sta->rsc_tods[tid];
else