mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-28 10:18:21 -05:00
wlantest: Fix mgmt CCMP decrypt to not crash on failures
This commit is contained in:
parent
2102ecf0b5
commit
42e79f82dc
@ -660,7 +660,7 @@ static u8 * mgmt_ccmp_decrypt(struct wlantest *wt, const u8 *data, size_t len,
|
||||
struct wlantest_sta *sta;
|
||||
const struct ieee80211_hdr *hdr;
|
||||
int keyid;
|
||||
u8 *decrypted, *frame;
|
||||
u8 *decrypted, *frame = NULL;
|
||||
u8 pn[6], *rsc;
|
||||
|
||||
hdr = (const struct ieee80211_hdr *) data;
|
||||
@ -697,14 +697,14 @@ static u8 * mgmt_ccmp_decrypt(struct wlantest *wt, const u8 *data, size_t len,
|
||||
}
|
||||
|
||||
decrypted = ccmp_decrypt(sta->ptk.tk1, hdr, data + 24, len - 24, dlen);
|
||||
if (decrypted)
|
||||
if (decrypted) {
|
||||
os_memcpy(rsc, pn, 6);
|
||||
|
||||
frame = os_malloc(24 + *dlen);
|
||||
if (frame) {
|
||||
os_memcpy(frame, data, 24);
|
||||
os_memcpy(frame + 24, decrypted, *dlen);
|
||||
*dlen += 24;
|
||||
frame = os_malloc(24 + *dlen);
|
||||
if (frame) {
|
||||
os_memcpy(frame, data, 24);
|
||||
os_memcpy(frame + 24, decrypted, *dlen);
|
||||
*dlen += 24;
|
||||
}
|
||||
}
|
||||
|
||||
os_free(decrypted);
|
||||
|
Loading…
Reference in New Issue
Block a user