Ejemplo n.º 1
0
char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
					 char *buf, size_t *resp_len)
{
	char *reply;
	const int reply_size = 4096;
	int ctrl_rsp = 0;
	int reply_len;

	if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
	    os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
		wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
				      (const u8 *) buf, os_strlen(buf));
	} else {
        if (os_strcmp(buf, "PING") != 0)
            wpa_hexdump_ascii(MSG_DEBUG, "RX ctrl_iface",
                              (const u8 *) buf, os_strlen(buf));
	}

	reply = os_malloc(reply_size);
	if (reply == NULL) {
		*resp_len = 1;
		return NULL;
	}

	os_memcpy(reply, "OK\n", 3);
	reply_len = 3;

	if (os_strcmp(buf, "PING") == 0) {
		os_memcpy(reply, "PONG\n", 5);
		reply_len = 5;
	} else if (os_strcmp(buf, "MIB") == 0) {
		reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
		if (reply_len >= 0) {
			int res;
			res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
					       reply_size - reply_len);
			if (res < 0)
				reply_len = -1;
			else
				reply_len += res;
		}
	} else if (os_strncmp(buf, "STATUS", 6) == 0) {
		reply_len = wpa_supplicant_ctrl_iface_status(
			wpa_s, buf + 6, reply, reply_size);
	} else if (os_strcmp(buf, "PMKSA") == 0) {
		reply_len = pmksa_cache_list(wpa_s->wpa, reply, reply_size);
	} else if (os_strncmp(buf, "SET ", 4) == 0) {
		if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
			reply_len = -1;
	} else if (os_strcmp(buf, "LOGON") == 0) {
		eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
	} else if (os_strcmp(buf, "LOGOFF") == 0) {
		eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
	} else if (os_strcmp(buf, "REASSOCIATE") == 0) {
		wpa_s->disconnected = 0;
		wpa_s->reassociate = 1;
		wpa_supplicant_req_scan(wpa_s, 0, 0);
	} else if (os_strcmp(buf, "RECONNECT") == 0) {
		if (wpa_s->disconnected) {
			wpa_s->disconnected = 0;
			wpa_s->reassociate = 1;
			wpa_supplicant_req_scan(wpa_s, 0, 0);
		}
#ifdef IEEE8021X_EAPOL
	} else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
		if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
			reply_len = -1;
#endif /* IEEE8021X_EAPOL */
#ifdef CONFIG_PEERKEY
	} else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
		if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
			reply_len = -1;
#endif /* CONFIG_PEERKEY */
	} else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
	{
		if (wpa_supplicant_ctrl_iface_ctrl_rsp(
			    wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
			reply_len = -1;
		else
			ctrl_rsp = 1;
	} else if (os_strcmp(buf, "RECONFIGURE") == 0) {
		if (wpa_supplicant_reload_configuration(wpa_s))
			reply_len = -1;
	} else if (os_strcmp(buf, "TERMINATE") == 0) {
		eloop_terminate();
	} else if (os_strncmp(buf, "BSSID ", 6) == 0) {
		if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
			reply_len = -1;
#ifdef ANDROID
	} else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
		reply_len = wpa_supplicant_ctrl_iface_blacklist(
				wpa_s, buf + 9, reply, reply_size);
		if (os_strlen(buf) > 10 && reply_len == 0) {
			struct wpa_blacklist *bl = wpa_s->blacklist;
			if (os_strncmp(buf+10, "clear", 5) == 0 ||
			    (bl != NULL && os_memcmp(bl->bssid, wpa_s->bssid, ETH_ALEN) == 0)) {
				wpa_s->disconnected = 0;
				wpa_s->reassociate = 1;
				wpa_supplicant_req_scan(wpa_s, 0, 0);
			}
		}
#endif
	} else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
		reply_len = wpa_supplicant_ctrl_iface_list_networks(
			wpa_s, reply, reply_size);
	} else if (os_strcmp(buf, "DISCONNECT") == 0) {
		wpa_s->reassociate = 0;
		wpa_s->disconnected = 1;
		wpa_supplicant_disassociate(wpa_s, REASON_DEAUTH_LEAVING);
	} else if (os_strcmp(buf, "SCAN") == 0) {
#ifdef ANDROID
		if (!wpa_s->scan_ongoing && ((wpa_s->wpa_state <= WPA_SCANNING) ||
			(wpa_s->wpa_state >= WPA_COMPLETED))) {
#endif
			wpa_s->scan_req = 2;
			wpa_supplicant_req_scan(wpa_s, 0, 0);
#ifdef ANDROID
		} else {
			wpa_printf(MSG_DEBUG, "Ongoing Scan action...");
		}
#endif
	} else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
		reply_len = wpa_supplicant_ctrl_iface_scan_results(
			wpa_s, reply, reply_size);
	} else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
		if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
			reply_len = -1;
	} else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
		if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
			reply_len = -1;
	} else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
		if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
			reply_len = -1;
	} else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
		reply_len = wpa_supplicant_ctrl_iface_add_network(
			wpa_s, reply, reply_size);
	} else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
		if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
			reply_len = -1;
	} else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
		if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
			reply_len = -1;
	} else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
		reply_len = wpa_supplicant_ctrl_iface_get_network(
			wpa_s, buf + 12, reply, reply_size);
	} else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
		if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
			reply_len = -1;
	} else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
		reply_len = wpa_supplicant_ctrl_iface_get_capability(
			wpa_s, buf + 15, reply, reply_size);
	} else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
		if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
			reply_len = -1;
	} else if (os_strcmp(buf, "INTERFACES") == 0) {
		reply_len = wpa_supplicant_global_iface_interfaces(
			wpa_s->global, reply, reply_size);
    } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
        reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply, reply_size);
	} else {
		os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
		reply_len = 16;
	}

	if (reply_len < 0) {
		os_memcpy(reply, "FAIL\n", 5);
		reply_len = 5;
	}

	if (ctrl_rsp)
		eapol_sm_notify_ctrl_response(wpa_s->eapol);

	*resp_len = reply_len;
	return reply;
}
Ejemplo n.º 2
0
static void wpa_supplicant_ctrl_iface_receive(int sock, void *eloop_ctx,
					      void *sock_ctx)
{
	struct wpa_supplicant *wpa_s = eloop_ctx;
	char buf[256];
	int res;
	CTRL_IFACE_SOCK from;
	socklen_t fromlen = sizeof(from);
	char *reply;
	const int reply_size = 2048;
	int reply_len;
	int new_attached = 0, ctrl_rsp = 0;

	res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
		       (struct sockaddr *) &from, &fromlen);
	if (res < 0) {
		perror("recvfrom(ctrl_iface)");
		return;
	}
	buf[res] = '\0';
	if (strncmp(buf, "CTRL-RSP-", 9) == 0) {
		wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
				      (u8 *) buf, res);
	} else {
		wpa_hexdump_ascii(MSG_DEBUG, "RX ctrl_iface", (u8 *) buf, res);
	}

	reply = malloc(reply_size);
	if (reply == NULL) {
		sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from,
		       fromlen);
		return;
	}

	memcpy(reply, "OK\n", 3);
	reply_len = 3;

	if (strcmp(buf, "PING") == 0) {
		memcpy(reply, "PONG\n", 5);
		reply_len = 5;
	} else if (strcmp(buf, "MIB") == 0) {
		reply_len = wpa_get_mib(wpa_s, reply, reply_size);
		if (reply_len >= 0) {
			res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
					       reply_size - reply_len);
			if (res < 0)
				reply_len = -1;
			else
				reply_len += res;
		}
	} else if (strncmp(buf, "STATUS", 6) == 0) {
		reply_len = wpa_supplicant_ctrl_iface_status(
			wpa_s, buf + 6, reply, reply_size);
	} else if (strcmp(buf, "PMKSA") == 0) {
		reply_len = pmksa_cache_list(wpa_s, reply, reply_size);
	} else if (strncmp(buf, "SET ", 4) == 0) {
		if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
			reply_len = -1;
	} else if (strcmp(buf, "LOGON") == 0) {
		eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
	} else if (strcmp(buf, "LOGOFF") == 0) {
		eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
	} else if (strcmp(buf, "REASSOCIATE") == 0) {
		wpa_s->reassociate = 1;
		wpa_supplicant_req_scan(wpa_s, 0, 0);
	} else if (strncmp(buf, "PREAUTH ", 8) == 0) {
		if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
			reply_len = -1;
	} else if (strcmp(buf, "ATTACH") == 0) {
		if (wpa_supplicant_ctrl_iface_attach(wpa_s, &from, fromlen))
			reply_len = -1;
		else
			new_attached = 1;
	} else if (strcmp(buf, "DETACH") == 0) {
		if (wpa_supplicant_ctrl_iface_detach(wpa_s, &from, fromlen))
			reply_len = -1;
	} else if (strncmp(buf, "LEVEL ", 6) == 0) {
		if (wpa_supplicant_ctrl_iface_level(wpa_s, &from, fromlen,
						    buf + 6))
			reply_len = -1;
	} else if (strncmp(buf, "CTRL-RSP-", 9) == 0) {
		if (wpa_supplicant_ctrl_iface_ctrl_rsp(wpa_s, buf + 9))
			reply_len = -1;
		else
			ctrl_rsp = 1;
	} else if (strcmp(buf, "RECONFIGURE") == 0) {
		if (wpa_supplicant_reload_configuration(wpa_s))
			reply_len = -1;
	} else if (strcmp(buf, "TERMINATE") == 0) {
		eloop_terminate();
	} else {
		memcpy(reply, "UNKNOWN COMMAND\n", 16);
		reply_len = 16;
	}

	if (reply_len < 0) {
		memcpy(reply, "FAIL\n", 5);
		reply_len = 5;
	}
	sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, fromlen);
	free(reply);

	if (new_attached)
		eapol_sm_notify_ctrl_attached(wpa_s->eapol);
	if (ctrl_rsp)
		eapol_sm_notify_ctrl_response(wpa_s->eapol);
}