Amazing-Mirror/fragattacks
1
0
Fork 0
mirror of https://github.com/vanhoefm/fragattacks.git synced 2024-11-28 18:28:23 -05:00
Code Issues Projects Releases Wiki Activity

wlantest: Maintain a copy of WPA/RSN IE from (Re)AssocReq

Browse Source
This commit is contained in:
Jouni Malinen 2010-11-06 18:10:34 +02:00
parent 2d73f0a875
commit 021a6fe499
3 changed files with 49 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
wlantest/rx_mgmt.c
View File

@ -192,6 +192,7 @@ static void rx_mgmt_assoc_req(struct wlantest *wt, const u8 *data, size_t len)
const struct ieee80211_mgmt *mgmt;
struct wlantest_bss *bss;
struct wlantest_sta *sta;
struct ieee802_11_elems elems;
mgmt = (const struct ieee80211_mgmt *) data;
bss = bss_get(wt, mgmt->bssid);
@ -212,6 +213,16 @@ static void rx_mgmt_assoc_req(struct wlantest *wt, const u8 *data, size_t len)
MAC2STR(mgmt->sa), MAC2STR(mgmt->da),
le_to_host16(mgmt->u.assoc_req.capab_info),
le_to_host16(mgmt->u.assoc_req.listen_interval));
if (ieee802_11_parse_elems(mgmt->u.assoc_req.variable,
len - (mgmt->u.assoc_req.variable - data),
&elems, 0) == ParseFailed) {
wpa_printf(MSG_INFO, "Invalid IEs in Association Request "
"frame from " MACSTR, MAC2STR(mgmt->sa));
return;
}
sta_update_assoc(sta, &elems);
}
@ -275,6 +286,7 @@ static void rx_mgmt_reassoc_req(struct wlantest *wt, const u8 *data,
const struct ieee80211_mgmt *mgmt;
struct wlantest_bss *bss;
struct wlantest_sta *sta;
struct ieee802_11_elems elems;
mgmt = (const struct ieee80211_mgmt *) data;
bss = bss_get(wt, mgmt->bssid);
@ -296,6 +308,16 @@ static void rx_mgmt_reassoc_req(struct wlantest *wt, const u8 *data,
le_to_host16(mgmt->u.reassoc_req.capab_info),
le_to_host16(mgmt->u.reassoc_req.listen_interval),
MAC2STR(mgmt->u.reassoc_req.current_ap));
if (ieee802_11_parse_elems(mgmt->u.reassoc_req.variable,
len - (mgmt->u.reassoc_req.variable - data),
&elems, 0) == ParseFailed) {
wpa_printf(MSG_INFO, "Invalid IEs in Reassociation Request "
"frame from " MACSTR, MAC2STR(mgmt->sa));
return;
}
sta_update_assoc(sta, &elems);
}

24
wlantest/sta.c
View File

@ -15,6 +15,7 @@
#include "utils/includes.h"
#include "utils/common.h"
#include "common/ieee802_11_common.h"
#include "wlantest.h"
@ -46,3 +47,26 @@ void sta_deinit(struct wlantest_sta *sta)
dl_list_del(&sta->list);
os_free(sta);
}
void sta_update_assoc(struct wlantest_sta *sta, struct ieee802_11_elems *elems)
{
if (elems->wpa_ie && elems->rsn_ie) {
wpa_printf(MSG_INFO, "Both WPA IE and RSN IE included in "
"Association Request frame from " MACSTR,
MAC2STR(sta->addr));
}
if (elems->rsn_ie) {
wpa_hexdump(MSG_DEBUG, "RSN IE", elems->rsn_ie - 2,
elems->rsn_ie_len + 2);
os_memcpy(sta->rsnie, elems->rsn_ie - 2,
elems->rsn_ie_len + 2);
} else if (elems->wpa_ie) {
wpa_hexdump(MSG_DEBUG, "WPA IE", elems->wpa_ie - 2,
elems->wpa_ie_len + 2);
os_memcpy(sta->rsnie, elems->wpa_ie - 2,
elems->wpa_ie_len + 2);
} else
sta->rsnie[0] = 0;
}

3
wlantest/wlantest.h
View File

@ -29,6 +29,7 @@ struct wlantest_sta {
STATE3 /* associated */
} state;
u16 aid;
u8 rsnie[257]; /* WPA/RSN IE */
};
struct wlantest_bss {
@ -69,5 +70,7 @@ void bss_update(struct wlantest_bss *bss, struct ieee802_11_elems *elems);
struct wlantest_sta * sta_get(struct wlantest_bss *bss, const u8 *addr);
void sta_deinit(struct wlantest_sta *sta);
void sta_update_assoc(struct wlantest_sta *sta,
struct ieee802_11_elems *elems);
#endif /* WLANTEST_H */