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Allow forcing group rekeying for testing purposes

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In order to test the WoWLAN GTK rekeying KRACK mitigation, add a
REKEY_GTK hostapd control interface command that can be used at certain
points of the test.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2017-10-25 10:26:10 +02:00 committed by Jouni Malinen
parent 7d1ebdec18
commit 92662fb281
3 changed files with 13 additions and 0 deletions
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3
hostapd/ctrl_iface.c
View File

@ -2922,6 +2922,9 @@ static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
} else if (os_strncmp(buf, "RESEND_GROUP_M1 ", 16) == 0) {
if (hostapd_ctrl_resend_group_m1(hapd, buf + 16) < 0)
reply_len = -1;
} else if (os_strcmp(buf, "REKEY_GTK") == 0) {
if (wpa_auth_rekey_gtk(hapd->wpa_auth) < 0)
reply_len = -1;
#endif /* CONFIG_TESTING_OPTIONS */
} else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
if (hostapd_ctrl_iface_chan_switch(hapd->iface, buf + 12))

9
src/ap/wpa_auth.c
View File

@ -4773,4 +4773,13 @@ int wpa_auth_resend_group_m1(struct wpa_state_machine *sm,
return 0;
}
int wpa_auth_rekey_gtk(struct wpa_authenticator *wpa_auth)
{
if (!wpa_auth)
return -1;
eloop_cancel_timeout(wpa_rekey_gtk, wpa_auth, NULL);
return eloop_register_timeout(0, 0, wpa_rekey_gtk, wpa_auth, NULL);
}
#endif /* CONFIG_TESTING_OPTIONS */

1
src/ap/wpa_auth.h
View File

@ -437,5 +437,6 @@ int wpa_auth_resend_m3(struct wpa_state_machine *sm,
int wpa_auth_resend_group_m1(struct wpa_state_machine *sm,
void (*cb)(void *ctx1, void *ctx2),
void *ctx1, void *ctx2);
int wpa_auth_rekey_gtk(struct wpa_authenticator *wpa_auth);
#endif /* WPA_AUTH_H */