blob: eafacd54cb58bf0c8612f188faaf287d71eae302 [file] [log] [blame]
/*
* Sigma Control API DUT (station/AP/sniffer)
* Copyright (c) 2017, Qualcomm Atheros, Inc.
* All Rights Reserved.
* Licensed under the Clear BSD license. See README for more details.
*/
#include "sigma_dut.h"
#include "wpa_ctrl.h"
#include "wpa_helpers.h"
static int sigma_dut_is_ap(struct sigma_dut *dut)
{
return dut->device_type == AP_unknown ||
dut->device_type == AP_testbed ||
dut->device_type == AP_dut;
}
static int dpp_hostapd_run(struct sigma_dut *dut)
{
if (dut->hostapd_running)
return 0;
sigma_dut_print(dut, DUT_MSG_INFO,
"Starting hostapd in unconfigured state for DPP");
snprintf(dut->ap_ssid, sizeof(dut->ap_ssid), "unconfigured");
dut->ap_channel = 11;
dut->ap_is_dual = 0;
dut->ap_mode = AP_11ng;
dut->ap_key_mgmt = AP_OPEN;
dut->ap_cipher = AP_PLAIN;
return cmd_ap_config_commit(dut, NULL, NULL) == 1 ? 0 : -1;
}
static const char * dpp_get_curve(struct sigma_cmd *cmd, const char *arg)
{
const char *val = get_param(cmd, arg);
if (!val)
val = "P-256";
else if (strcasecmp(val, "BP-256R1") == 0)
val = "BP-256";
else if (strcasecmp(val, "BP-384R1") == 0)
val = "BP-384";
else if (strcasecmp(val, "BP-512R1") == 0)
val = "BP-512";
return val;
}
static int dpp_get_local_bootstrap(struct sigma_dut *dut,
struct sigma_conn *conn,
struct sigma_cmd *cmd)
{
const char *curve = dpp_get_curve(cmd, "DPPCryptoIdentifier");
const char *bs = get_param(cmd, "DPPBS");
char *pos, mac[50], buf[100], resp[1000], hex[2000];
const char *ifname = get_station_ifname();
if (strcasecmp(bs, "QR") != 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Unsupported DPPBS");
return 0;
}
if (sigma_dut_is_ap(dut)) {
u8 bssid[ETH_ALEN];
if (!dut->hostapd_ifname) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"hostapd ifname not specified (-j)");
return -2;
}
ifname = dut->hostapd_ifname;
if (get_hwaddr(dut->hostapd_ifname, bssid) < 0) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"Could not get MAC address for %s",
dut->hostapd_ifname);
return -2;
}
snprintf(mac, sizeof(mac), "%02x%02x%02x%02x%02x%02x",
bssid[0], bssid[1], bssid[2],
bssid[3], bssid[4], bssid[5]);
} else {
if (get_wpa_status(ifname, "address", mac, sizeof(mac)) < 0)
return -2;
}
pos = mac;
while (*pos) {
if (*pos == ':')
memmove(pos, pos + 1, strlen(pos));
else
pos++;
}
snprintf(buf, sizeof(buf),
"DPP_BOOTSTRAP_GEN type=qrcode curve=%s chan=81/11 mac=%s",
curve, mac);
if (sigma_dut_is_ap(dut) && dpp_hostapd_run(dut) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to start hostapd");
return 0;
}
if (wpa_command_resp(ifname, buf, resp, sizeof(resp)) < 0)
return -2;
if (strncmp(resp, "FAIL", 4) == 0)
return -2;
dut->dpp_local_bootstrap = atoi(resp);
snprintf(buf, sizeof(buf), "DPP_BOOTSTRAP_GET_URI %d",
atoi(resp));
if (wpa_command_resp(ifname, buf, resp, sizeof(resp)) < 0)
return -2;
if (strncmp(resp, "FAIL", 4) == 0)
return -2;
sigma_dut_print(dut, DUT_MSG_DEBUG, "URI: %s", resp);
ascii2hexstr(resp, hex);
snprintf(resp, sizeof(resp), "BootstrappingData,%s", hex);
send_resp(dut, conn, SIGMA_COMPLETE, resp);
return 0;
}
static int dpp_set_peer_bootstrap(struct sigma_dut *dut,
struct sigma_conn *conn,
struct sigma_cmd *cmd)
{
const char *val = get_param(cmd, "DPPBootstrappingdata");
char uri[1000], buf[1200];
int res;
const char *ifname = get_station_ifname();
if (!val) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Missing DPPBootstrappingdata");
return 0;
}
res = parse_hexstr(val, (unsigned char *) uri, sizeof(uri));
if (res < 0 || (size_t) res >= sizeof(uri))
return -2;
uri[res] = '\0';
sigma_dut_print(dut, DUT_MSG_DEBUG, "URI: %s", uri);
snprintf(buf, sizeof(buf), "DPP_QR_CODE %s", uri);
if (sigma_dut_is_ap(dut)) {
if (!dut->hostapd_ifname) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"hostapd ifname not specified (-j)");
return -2;
}
ifname = dut->hostapd_ifname;
if (dpp_hostapd_run(dut) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to start hostapd");
return 0;
}
}
if (wpa_command_resp(ifname, buf, buf, sizeof(buf)) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to parse URI");
return 0;
}
dut->dpp_peer_bootstrap = atoi(buf);
return 1;
}
static int dpp_hostapd_conf_update(struct sigma_dut *dut,
struct sigma_conn *conn, const char *ifname,
struct wpa_ctrl *ctrl)
{
int res;
char buf[2000], buf2[2500], *pos, *pos2;
sigma_dut_print(dut, DUT_MSG_INFO,
"Update hostapd configuration based on DPP Config Object");
if (wpa_command(ifname, "SET wpa 2") < 0 ||
wpa_command(ifname, "SET wpa_key_mgmt DPP") < 0 ||
wpa_command(ifname, "SET rsn_pairwise CCMP") < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to update AP security parameters");
goto out;
}
res = get_wpa_cli_event(dut, ctrl, "DPP-CONFOBJ-SSID",
buf, sizeof(buf));
if (res < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,No DPP-CONFOBJ-SSID");
goto out;
}
pos = strchr(buf, ' ');
if (!pos)
return -2;
pos++;
sigma_dut_print(dut, DUT_MSG_INFO,
"DPP: Config Object SSID: %s", pos);
snprintf(buf2, sizeof(buf2), "SET ssid %s", pos);
if (wpa_command(ifname, buf2) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to update AP SSID");
goto out;
}
res = get_wpa_cli_event(dut, ctrl, "DPP-CONNECTOR",
buf, sizeof(buf));
if (res < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,No DPP-CONNECTOR");
goto out;
}
pos = strchr(buf, ' ');
if (!pos)
return -2;
pos++;
sigma_dut_print(dut, DUT_MSG_INFO, "DPP: Connector: %s", pos);
snprintf(buf2, sizeof(buf2), "SET dpp_connector %s", pos);
if (wpa_command(ifname, buf2) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to update AP Connector");
goto out;
}
res = get_wpa_cli_event(dut, ctrl, "DPP-C-SIGN-KEY",
buf, sizeof(buf));
if (res < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,No DPP-C-SIGN-KEY");
goto out;
}
pos = strchr(buf, ' ');
if (!pos)
return -2;
pos++;
pos2 = strchr(pos, ' ');
if (pos2)
*pos2++ = '\0';
sigma_dut_print(dut, DUT_MSG_INFO, "DPP: C-sign-key: %s", pos);
snprintf(buf2, sizeof(buf2), "SET dpp_csign %s", pos);
if (wpa_command(ifname, buf2) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to update AP C-sign-key");
goto out;
}
if (pos2) {
sigma_dut_print(dut, DUT_MSG_INFO, "DPP: C-sign-key expiry: %s",
pos2);
snprintf(buf2, sizeof(buf2), "SET dpp_csign_expiry %s", pos2);
if (wpa_command(ifname, buf2) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to update AP C-sign-key expiry");
goto out;
}
}
res = get_wpa_cli_event(dut, ctrl, "DPP-NET-ACCESS-KEY",
buf, sizeof(buf));
if (res < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,No DPP-NET-ACCESS-KEY");
goto out;
}
pos = strchr(buf, ' ');
if (!pos)
return -2;
pos++;
pos2 = strchr(pos, ' ');
if (pos2)
*pos2++ = '\0';
sigma_dut_print(dut, DUT_MSG_INFO, "DPP: netAccessKey: %s", pos);
snprintf(buf2, sizeof(buf2), "SET dpp_netaccesskey %s", pos);
if (wpa_command(ifname, buf2) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to update AP netAccessKey");
goto out;
}
if (pos2) {
sigma_dut_print(dut, DUT_MSG_INFO,
"DPP: netAccessKey expiry: %s", pos2);
snprintf(buf2, sizeof(buf2), "SET dpp_netaccesskey_expiry %s",
pos2);
if (wpa_command(ifname, buf2) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to update AP netAccessKey expiry");
goto out;
}
}
if (wpa_command(ifname, "DISABLE") < 0 ||
wpa_command(ifname, "ENABLE") < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to update AP configuration");
goto out;
}
res = get_wpa_cli_event(dut, ctrl, "AP-ENABLED", buf, sizeof(buf));
if (res < 0) {
send_resp(dut, conn, SIGMA_ERROR, "errorCode,No AP-ENABLED");
goto out;
}
return 1;
out:
return 0;
}
static int dpp_manual_dpp(struct sigma_dut *dut,
struct sigma_conn *conn,
struct sigma_cmd *cmd)
{
/* TODO */
return -1;
}
static int dpp_automatic_dpp(struct sigma_dut *dut,
struct sigma_conn *conn,
struct sigma_cmd *cmd)
{
const char *bs = get_param(cmd, "DPPBS");
const char *auth_role = get_param(cmd, "DPPAuthRole");
const char *prov_role = get_param(cmd, "DPPProvisioningRole");
const char *pkex_code = get_param(cmd, "DPPPKEXCode");
const char *pkex_code_id = get_param(cmd, "DPPPKEXCodeIdentifier");
const char *wait_conn = get_param(cmd, "DPPWaitForConnect");
const char *self_conf = get_param(cmd, "DPPSelfConfigure");
const char *role;
const char *val;
const char *conf_role;
int mutual;
int conf_index = -1;
char buf[2000];
char conf_ssid[100];
char conf_pass[100];
char pkex_identifier[200];
struct wpa_ctrl *ctrl;
int res;
unsigned int old_timeout;
int own_pkex_id = -1;
const char *ifname = get_station_ifname();
const char *auth_events[] = {
"DPP-AUTH-SUCCESS",
"DPP-NOT-COMPATIBLE",
"DPP-RESPONSE-PENDING",
"DPP-SCAN-PEER-QR-CODE",
NULL
};
const char *conf_events[] = {
"DPP-CONF-RECEIVED",
"DPP-CONF-SENT",
"DPP-CONF-FAILED",
NULL
};
const char *conn_events[] = {
"PMKSA-CACHE-ADDED",
"CTRL-EVENT-CONNECTED",
NULL
};
if (!wait_conn)
wait_conn = "no";
if (!self_conf)
self_conf = "no";
if (!auth_role) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Missing DPPAuthRole");
return 0;
}
if (!prov_role) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Missing DPPProvisioningRole");
return 0;
}
val = get_param(cmd, "DPPAuthDirection");
mutual = val && strcasecmp(val, "Mutual") == 0;
if (sigma_dut_is_ap(dut)) {
if (!dut->hostapd_ifname) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"hostapd ifname not specified (-j)");
return -2;
}
ifname = dut->hostapd_ifname;
if (dpp_hostapd_run(dut) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to start hostapd");
return 0;
}
}
if (strcasecmp(prov_role, "Configurator") == 0) {
if (dut->dpp_conf_id < 0) {
snprintf(buf, sizeof(buf),
"DPP_CONFIGURATOR_ADD curve=%s",
dpp_get_curve(cmd, "DPPSigningKeyECC"));
if (wpa_command_resp(ifname, buf,
buf, sizeof(buf)) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to set up configurator");
return 0;
}
dut->dpp_conf_id = atoi(buf);
}
role = "configurator";
} else if (strcasecmp(prov_role, "Enrollee") == 0) {
role = "enrollee";
} else {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Unknown DPPProvisioningRole");
return 0;
}
pkex_identifier[0] = '\0';
if (strcasecmp(bs, "PKEX") == 0) {
if (!pkex_code) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Missing DPPPKEXCode");
return 0;
}
if (pkex_code_id)
snprintf(pkex_identifier, sizeof(pkex_identifier),
"identifier=%s ", pkex_code_id);
snprintf(buf, sizeof(buf),
"DPP_BOOTSTRAP_GEN type=pkex curve=%s",
dpp_get_curve(cmd, "DPPCryptoIdentifier"));
if (wpa_command_resp(ifname, buf, buf, sizeof(buf)) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to set up PKEX");
return 0;
}
own_pkex_id = atoi(buf);
}
ctrl = open_wpa_mon(ifname);
if (!ctrl) {
sigma_dut_print(dut, DUT_MSG_ERROR,
"Failed to open wpa_supplicant monitor connection");
return -2;
}
old_timeout = dut->default_timeout;
val = get_param(cmd, "DPPTimeout");
if (val && atoi(val) > 0) {
dut->default_timeout = atoi(val);
sigma_dut_print(dut, DUT_MSG_DEBUG, "DPP timeout: %u",
dut->default_timeout);
}
conf_ssid[0] = '\0';
conf_pass[0] = '\0';
val = get_param(cmd, "DPPConfIndex");
if (val)
conf_index = atoi(val);
val = get_param(cmd, "DPPConfEnrolleeRole");
switch (conf_index) {
case 1:
ascii2hexstr("DPPNET01", buf);
snprintf(conf_ssid, sizeof(conf_ssid), "ssid=%s", buf);
if (val && strcasecmp(val, "AP") == 0)
conf_role = "ap-dpp";
else
conf_role = "sta-dpp";
break;
case 2:
ascii2hexstr("DPPNET01", buf);
snprintf(conf_ssid, sizeof(conf_ssid), "ssid=%s", buf);
/* TODO: raw PSK */
if (val && strcasecmp(val, "AP") == 0)
conf_role = "ap-psk";
else
conf_role = "sta-psk";
break;
case 3:
ascii2hexstr("DPPNET01", buf);
snprintf(conf_ssid, sizeof(conf_ssid), "ssid=%s", buf);
ascii2hexstr("ThisIsDppPassphrase", buf);
snprintf(conf_pass, sizeof(conf_pass), "pass=%s", buf);
if (val && strcasecmp(val, "AP") == 0)
conf_role = "ap-psk";
else
conf_role = "sta-psk";
break;
}
if (strcasecmp(auth_role, "Initiator") == 0) {
char own_txt[20];
if (mutual)
snprintf(own_txt, sizeof(own_txt), " own=%d",
dut->dpp_local_bootstrap);
else
own_txt[0] = '\0';
if (strcasecmp(bs, "QR") == 0 &&
strcasecmp(prov_role, "Configurator") == 0) {
snprintf(buf, sizeof(buf),
"DPP_AUTH_INIT peer=%d%s role=%s conf=%s %s %s configurator=%d",
dut->dpp_peer_bootstrap, own_txt, role,
conf_role, conf_ssid, conf_pass,
dut->dpp_conf_id);
} else if (strcasecmp(bs, "QR") == 0) {
snprintf(buf, sizeof(buf),
"DPP_AUTH_INIT peer=%d%s role=%s",
dut->dpp_peer_bootstrap, own_txt, role);
} else if (strcasecmp(bs, "PKEX") == 0 &&
strcasecmp(prov_role, "Configurator") == 0) {
snprintf(buf, sizeof(buf),
"DPP_PKEX_ADD own=%d init=1 role=%s conf=%s %s %s configurator=%d %scode=%s",
own_pkex_id, role, conf_role,
conf_ssid, conf_pass, dut->dpp_conf_id,
pkex_identifier, pkex_code);
} else if (strcasecmp(bs, "PKEX") == 0) {
snprintf(buf, sizeof(buf),
"DPP_PKEX_ADD own=%d init=1 role=%s %scode=%s",
own_pkex_id, role, pkex_identifier, pkex_code);
}
if (wpa_command(ifname, buf) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to initiate DPP authentication");
goto out;
}
} else if (strcasecmp(auth_role, "Responder") == 0) {
int freq = 2462;
if (strcasecmp(prov_role, "Configurator") == 0) {
snprintf(buf, sizeof(buf),
"SET dpp_configurator_params conf=%s %s %s configurator=%d",
conf_role, conf_ssid, conf_pass,
dut->dpp_conf_id);
if (wpa_command(ifname, buf) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to set configurator parameters");
goto out;
}
}
if (strcasecmp(bs, "PKEX") == 0) {
freq = 2437;
snprintf(buf, sizeof(buf),
"DPP_PKEX_ADD own=%d role=%s %scode=%s",
own_pkex_id, role, pkex_identifier, pkex_code);
if (wpa_command(ifname, buf) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to configure DPP PKEX");
goto out;
}
}
if (!sigma_dut_is_ap(dut)) {
snprintf(buf, sizeof(buf), "DPP_LISTEN %d role=%s",
freq, role);
if (wpa_command(ifname, buf) < 0) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Failed to start DPP listen");
goto out;
}
}
} else {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Unknown DPPAuthRole");
goto out;
}
res = get_wpa_cli_events(dut, ctrl, auth_events, buf, sizeof(buf));
if (res < 0) {
send_resp(dut, conn, SIGMA_COMPLETE,
"BootstrapResult,OK,AuthResult,Timeout");
goto out;
}
sigma_dut_print(dut, DUT_MSG_DEBUG, "DPP auth result: %s", buf);
if (strstr(buf, "DPP-NOT-COMPATIBLE")) {
send_resp(dut, conn, SIGMA_COMPLETE,
"BootstrapResult,OK,AuthResult,ROLES_NOT_COMPATIBLE");
goto out;
}
if (!strstr(buf, "DPP-AUTH-SUCCESS")) {
send_resp(dut, conn, SIGMA_COMPLETE,
"BootstrapResult,OK,AuthResult,FAILED");
goto out;
}
res = get_wpa_cli_events(dut, ctrl, conf_events, buf, sizeof(buf));
if (res < 0) {
send_resp(dut, conn, SIGMA_COMPLETE,
"BootstrapResult,OK,AuthResult,OK,ConfResult,Timeout");
goto out;
}
sigma_dut_print(dut, DUT_MSG_DEBUG, "DPP conf result: %s", buf);
if (!strstr(buf, "DPP-CONF-SENT") &&
!strstr(buf, "DPP-CONF-RECEIVED")) {
send_resp(dut, conn, SIGMA_COMPLETE,
"BootstrapResult,OK,AuthResult,OK,ConfResult,FAILED");
goto out;
}
if (sigma_dut_is_ap(dut) &&
strcasecmp(prov_role, "Enrollee") == 0) {
res = dpp_hostapd_conf_update(dut, conn, ifname, ctrl);
if (res == 0)
goto out;
if (res < 0) {
send_resp(dut, conn, SIGMA_ERROR, NULL);
goto out;
}
}
if (strcasecmp(wait_conn, "Yes") == 0 &&
!sigma_dut_is_ap(dut) &&
strcasecmp(prov_role, "Enrollee") == 0) {
res = get_wpa_cli_events(dut, ctrl, conn_events,
buf, sizeof(buf));
if (res < 0) {
send_resp(dut, conn, SIGMA_COMPLETE,
"BootstrapResult,OK,AuthResult,OK,ConfResult,OK,NetworkIntroResult,Timeout,NetworkConnectResult,Timeout");
goto out;
}
sigma_dut_print(dut, DUT_MSG_DEBUG, "DPP connect result: %s",
buf);
if (strstr(buf, "PMKSA-CACHE-ADDED")) {
res = get_wpa_cli_events(dut, ctrl, conn_events,
buf, sizeof(buf));
if (res < 0) {
send_resp(dut, conn, SIGMA_COMPLETE,
"BootstrapResult,OK,AuthResult,OK,ConfResult,OK,NetworkIntroResult,OK,NetworkConnectResult,Timeout");
goto out;
}
sigma_dut_print(dut, DUT_MSG_DEBUG,
"DPP connect result: %s", buf);
if (strstr(buf, "CTRL-EVENT-CONNECTED"))
send_resp(dut, conn, SIGMA_COMPLETE,
"BootstrapResult,OK,AuthResult,OK,ConfResult,OK,NetworkIntroResult,OK,NetworkConnectResult,OK");
else
send_resp(dut, conn, SIGMA_COMPLETE,
"BootstrapResult,OK,AuthResult,OK,ConfResult,OK,NetworkIntroResult,OK,NetworkConnectResult,Timeout");
goto out;
}
send_resp(dut, conn, SIGMA_COMPLETE,
"BootstrapResult,OK,AuthResult,OK,ConfResult,OK,NetworkConnectResult,OK");
goto out;
}
send_resp(dut, conn, SIGMA_COMPLETE,
"BootstrapResult,OK,AuthResult,OK,ConfResult,OK");
out:
wpa_ctrl_detach(ctrl);
wpa_ctrl_close(ctrl);
dut->default_timeout = old_timeout;
return 0;
}
int dpp_dev_exec_action(struct sigma_dut *dut, struct sigma_conn *conn,
struct sigma_cmd *cmd)
{
const char *type = get_param(cmd, "DPPActionType");
const char *bs = get_param(cmd, "DPPBS");
if (!bs) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Missing DPPBS");
return 0;
}
if (!type) {
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Missing DPPActionType");
return 0;
}
if (strcasecmp(type, "GetLocalBootstrap") == 0)
return dpp_get_local_bootstrap(dut, conn, cmd);
if (strcasecmp(type, "SetPeerBootstrap") == 0)
return dpp_set_peer_bootstrap(dut, conn, cmd);
if (strcasecmp(type, "ManualDPP") == 0)
return dpp_manual_dpp(dut, conn, cmd);
if (strcasecmp(type, "AutomaticDPP") == 0)
return dpp_automatic_dpp(dut, conn, cmd);
send_resp(dut, conn, SIGMA_ERROR,
"errorCode,Unsupported DPPActionType");
return 0;
}