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FILS: External management of PMKSA cache entry with Cache Identifier

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The PMKSA_GET and PMKSA_ADD commands can now use an optional extra
parameter to fetch and add PMKSA cache entries with the FILS Cache
Identifier.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2017-02-21 16:26:58 +02:00 committed by Jouni Malinen
parent 22c54cd738
commit b7286c1b5d
1 changed files with 27 additions and 1 deletions
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28
wpa_supplicant/ctrl_iface.c
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@ -9164,6 +9164,7 @@ static int wpas_ctrl_iface_pmksa_get(struct wpa_supplicant *wpa_s,
* Entry format:
* <BSSID> <PMKID> <PMK> <reauth_time in seconds>
* <expiration in seconds> <akmp> <opportunistic>
* [FILS Cache Identifier]
*/
for (entry = wpa_sm_pmksa_cache_head(wpa_s->wpa); entry;
@ -9198,6 +9199,15 @@ static int wpas_ctrl_iface_pmksa_get(struct wpa_supplicant *wpa_s,
break;
pos2 += ret;
if (entry->fils_cache_id_set) {
ret = os_snprintf(pos2, end - pos2, " %02x%02x",
entry->fils_cache_id[0],
entry->fils_cache_id[1]);
if (os_snprintf_error(end - pos2, ret))
break;
pos2 += ret;
}
ret = os_snprintf(pos2, end - pos2, "\n");
if (os_snprintf_error(end - pos2, ret))
break;
@ -9218,12 +9228,13 @@ static int wpas_ctrl_iface_pmksa_add(struct wpa_supplicant *wpa_s,
char *pos, *pos2;
int ret = -1;
struct os_reltime now;
int reauth_time = 0, expiration = 0;
int reauth_time = 0, expiration = 0, i;
/*
* Entry format:
* <network_id> <BSSID> <PMKID> <PMK> <reauth_time in seconds>
* <expiration in seconds> <akmp> <opportunistic>
* [FILS Cache Identifier]
*/
ssid = wpa_config_get_network(wpa_s->conf, atoi(cmd));
@ -9271,6 +9282,21 @@ static int wpas_ctrl_iface_pmksa_add(struct wpa_supplicant *wpa_s,
if (sscanf(pos, "%d %d %d %d", &reauth_time, &expiration,
&entry->akmp, &entry->opportunistic) != 4)
goto fail;
for (i = 0; i < 4; i++) {
pos = os_strchr(pos, ' ');
if (!pos) {
if (i < 3)
goto fail;
break;
}
pos++;
}
if (pos) {
if (hexstr2bin(pos, entry->fils_cache_id,
FILS_CACHE_ID_LEN) < 0)
goto fail;
entry->fils_cache_id_set = 1;
}
os_get_reltime(&now);
entry->expiration = now.sec + expiration;
entry->reauth_time = now.sec + reauth_time;