tests: Add DRIVER_EVENT SCAN_RES for scan result testing

This control interface command can be used to inject scan results from
test scripts to make it easier to test various scan result processing
operations.

Signed-off-by: Jouni Malinen <j@w1.fi>

wpa_supplicant/ctrl_iface.c

@@ -8037,6 +8037,119 @@ static int wpas_ctrl_iface_mgmt_rx_process(struct wpa_supplicant *wpa_s,
 }
 
 
+static int wpas_ctrl_iface_driver_scan_res(struct wpa_supplicant *wpa_s,
+					   char *param)
+{
+	struct wpa_scan_res *res;
+	struct os_reltime now;
+	char *pos, *end;
+
+	if (!param)
+		return -1;
+
+	if (os_strcmp(param, "START") == 0) {
+		wpa_bss_update_start(wpa_s);
+		return 0;
+	}
+
+	if (os_strcmp(param, "END") == 0) {
+		wpa_bss_update_end(wpa_s, NULL, 1);
+		return 0;
+	}
+
+	if (os_strncmp(param, "BSS ", 4) != 0)
+		return -1;
+	param += 3;
+
+	res = os_zalloc(sizeof(*res) + os_strlen(param) / 2);
+	if (!res)
+		return -1;
+
+	pos = os_strstr(param, " flags=");
+	if (pos)
+		res->flags = strtol(pos + 7, NULL, 16);
+
+	pos = os_strstr(param, " bssid=");
+	if (pos)
+		hwaddr_aton(pos + 7, res->bssid);
+
+	pos = os_strstr(param, " freq=");
+	if (pos)
+		res->freq = atoi(pos + 6);
+
+	pos = os_strstr(param, " beacon_int=");
+	if (pos)
+		res->beacon_int = atoi(pos + 12);
+
+	pos = os_strstr(param, " caps=");
+	if (pos)
+		res->caps = strtol(pos + 6, NULL, 16);
+
+	pos = os_strstr(param, " qual=");
+	if (pos)
+		res->qual = atoi(pos + 6);
+
+	pos = os_strstr(param, " noise=");
+	if (pos)
+		res->noise = atoi(pos + 7);
+
+	pos = os_strstr(param, " level=");
+	if (pos)
+		res->level = atoi(pos + 7);
+
+	pos = os_strstr(param, " tsf=");
+	if (pos)
+		res->tsf = strtoll(pos + 5, NULL, 16);
+
+	pos = os_strstr(param, " age=");
+	if (pos)
+		res->age = atoi(pos + 5);
+
+	pos = os_strstr(param, " est_throughput=");
+	if (pos)
+		res->est_throughput = atoi(pos + 16);
+
+	pos = os_strstr(param, " snr=");
+	if (pos)
+		res->snr = atoi(pos + 5);
+
+	pos = os_strstr(param, " parent_tsf=");
+	if (pos)
+		res->parent_tsf = strtoll(pos + 7, NULL, 16);
+
+	pos = os_strstr(param, " tsf_bssid=");
+	if (pos)
+		hwaddr_aton(pos + 11, res->tsf_bssid);
+
+	pos = os_strstr(param, " ie=");
+	if (pos) {
+		pos += 4;
+		end = os_strchr(pos, ' ');
+		if (!end)
+			end = pos + os_strlen(pos);
+		res->ie_len = (end - pos) / 2;
+		hexstr2bin(pos, (u8 *) (res + 1), res->ie_len);
+	}
+
+	pos = os_strstr(param, " beacon_ie=");
+	if (pos) {
+		pos += 11;
+		end = os_strchr(pos, ' ');
+		if (!end)
+			end = pos + os_strlen(pos);
+		res->beacon_ie_len = (end - pos) / 2;
+		hexstr2bin(pos, ((u8 *) (res + 1)) + res->ie_len,
+			   res->beacon_ie_len);
+	}
+
+	os_get_reltime(&now);
+	wpa_bss_update_scan_res(wpa_s, res, &now);
+	os_free(res);
+
+	return 0;
+}
+
+
 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
 {
 	char *pos, *param;
@@ -8067,6 +8180,8 @@ static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
 		wpa_supplicant_event(wpa_s, ev, &event);
 		os_free(event.freq_range.range);
 		return 0;
+	} else if (os_strcmp(cmd, "SCAN_RES") == 0) {
+		return wpas_ctrl_iface_driver_scan_res(wpa_s, param);
 	} else {
 		wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
 			cmd);