int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf)
{
struct hostapd_ssid *ssid = &conf->ssid;
if (ssid->wpa_passphrase != NULL) {
if (ssid->wpa_psk != NULL) {
wpa_printf(MSG_DEBUG, "Using pre-configured WPA PSK "
"instead of passphrase");
} else {
wpa_printf(MSG_DEBUG, "Deriving WPA PSK based on "
"passphrase");
if (hostapd_derive_psk(ssid) < 0)
return -1;
}
ssid->wpa_psk->group = 1;
}
if (ssid->wpa_psk_file) {
if (hostapd_config_read_wpa_psk(ssid->wpa_psk_file,
&conf->ssid))
return -1;
}
return 0;
}
int hostapd_setup_wpa_psk(struct hostapd_config *conf)
{
if (conf->wpa_passphrase != NULL) {
if (conf->wpa_psk != NULL) {
printf("Warning: both WPA PSK and passphrase set. "
"Using passphrase.\n");
free(conf->wpa_psk);
}
conf->wpa_psk = malloc(sizeof(struct hostapd_wpa_psk));
if (conf->wpa_psk == NULL) {
printf("Unable to alloc space for PSK\n");
return -1;
}
wpa_hexdump_ascii(MSG_DEBUG, "SSID",
(u8 *) conf->ssid, conf->ssid_len);
wpa_hexdump_ascii(MSG_DEBUG, "PSK (ASCII passphrase)",
(u8 *) conf->wpa_passphrase,
strlen(conf->wpa_passphrase));
memset(conf->wpa_psk, 0, sizeof(struct hostapd_wpa_psk));
pbkdf2_sha1(conf->wpa_passphrase,
conf->ssid, conf->ssid_len,
4096, conf->wpa_psk->psk, PMK_LEN);
wpa_hexdump(MSG_DEBUG, "PSK (from passphrase)",
conf->wpa_psk->psk, PMK_LEN);
conf->wpa_psk->group = 1;
memset(conf->wpa_passphrase, 0, strlen(conf->wpa_passphrase));
free(conf->wpa_passphrase);
conf->wpa_passphrase = 0;
}
if (conf->wpa_psk_file) {
if (hostapd_config_read_wpa_psk(conf->wpa_psk_file, conf))
return -1;
free(conf->wpa_psk_file);
conf->wpa_psk_file = NULL;
}
return 0;
}
