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fragattack: add GET_GTK and return key index as well

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This commit is contained in:
Mathy 2020-03-13 06:49:09 -04:00
parent c5659bf2b3
commit 0e59343a22
5 changed files with 38 additions and 0 deletions
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17
hostapd/ctrl_iface.c
View File

@ -2442,6 +2442,21 @@ static int hostapd_get_tk(struct hostapd_data *hapd, const char *txtaddr, char *
return res;
}
static int hostapd_get_gtk(struct hostapd_data *hapd, char *buf, size_t buflen)
{
int pos;
if (hapd->last_gtk_len <= 0)
return -1;
if (buflen < hapd->last_gtk_len + 20)
return -1;
pos = wpa_snprintf_hex(buf, buflen, hapd->last_gtk, hapd->last_gtk_len);
pos += os_snprintf(buf + pos, buflen - pos, " %d\n", hapd->last_gtk_key_idx);
return pos;
}
#endif /* CONFIG_TESTING_OPTIONS */
@ -3315,6 +3330,8 @@ static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
reply_size);
} else if (os_strncmp(buf, "GET_TK ", 7) == 0) {
reply_len = hostapd_get_tk(hapd, buf + 7, reply, reply_size);
} else if (os_strcmp(buf, "GET_GTK") == 0) {
reply_len = hostapd_get_gtk(hapd, reply, reply_size);
#endif /* CONFIG_TESTING_OPTIONS */
} else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
if (hostapd_ctrl_iface_chan_switch(hapd->iface, buf + 12))

1
wpa_supplicant/Makefile
View File

@ -40,6 +40,7 @@ endif
ifdef CONFIG_TESTING_OPTIONS
CFLAGS += -DCONFIG_TESTING_OPTIONS
CFLAGS += -DCONFIG_TESTING_GET_GTK
CONFIG_WPS_TESTING=y
CONFIG_TDLS_TESTING=y
endif

18
wpa_supplicant/ctrl_iface.c
View File

@ -9424,6 +9424,22 @@ static int wpas_ctrl_resend_assoc(struct wpa_supplicant *wpa_s)
#endif /* CONFIG_SME */
}
static int wpa_supplicant_ctrl_iface_get_gtk(struct wpa_supplicant *wpa_s,
char *buf, size_t buflen)
{
int pos;
if (wpa_s->last_gtk_len == 0)
return -1;
if (buflen < wpa_s->last_gtk_len + 20)
return -1;
pos = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk, wpa_s->last_gtk_len);
pos += os_snprintf(buf + pos, buflen - pos, " %d\n", wpa_s->last_gtk_idx);
return pos;
}
#endif /* CONFIG_TESTING_OPTIONS */
@ -10767,6 +10783,8 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
sme_event_unprot_disconnect(
wpa_s, wpa_s->bssid, NULL,
WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA);
} else if (os_strcmp(buf, "GET_GTK") == 0) {
reply_len = wpa_supplicant_ctrl_iface_get_gtk(wpa_s, reply, reply_size);
#endif /* CONFIG_TESTING_OPTIONS */
} else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)

1
wpa_supplicant/wpa_supplicant_i.h
View File

@ -1112,6 +1112,7 @@ struct wpa_supplicant {
#ifdef CONFIG_TESTING_GET_GTK
u8 last_gtk[32];
size_t last_gtk_len;
int last_gtk_idx;
#endif /* CONFIG_TESTING_GET_GTK */
unsigned int num_multichan_concurrent;

1
wpa_supplicant/wpas_glue.c
View File

@ -515,6 +515,7 @@ static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
os_memcpy(wpa_s->last_gtk, key, key_len);
wpa_s->last_gtk_len = key_len;
wpa_s->last_gtk_idx = key_idx;
}
#endif /* CONFIG_TESTING_GET_GTK */
#ifdef CONFIG_TESTING_OPTIONS