/**
* Convenience function to add an entire string array to the dict.
*
* @param iter_dict A valid DBusMessageIter returned from
* wpa_dbus_dict_open_write()
* @param key The key of the dict item
* @param items The array of strings
* @param num_items The number of strings in the array
* @return TRUE on success, FALSE on failure
*
*/
dbus_bool_t wpa_dbus_dict_append_string_array(DBusMessageIter *iter_dict,
const char *key,
const char **items,
const dbus_uint32_t num_items)
{
DBusMessageIter iter_dict_entry, iter_dict_val, iter_array;
dbus_uint32_t i;
if (!key)
return FALSE;
if (!items && (num_items != 0))
return FALSE;
if (!wpa_dbus_dict_begin_string_array(iter_dict, key,
&iter_dict_entry, &iter_dict_val,
&iter_array))
return FALSE;
for (i = 0; i < num_items; i++) {
if (!wpa_dbus_dict_string_array_add_element(&iter_array,
items[i]))
return FALSE;
}
if (!wpa_dbus_dict_end_string_array(iter_dict, &iter_dict_entry,
&iter_dict_val, &iter_array))
return FALSE;
return TRUE;
}
/**
* wpas_dbus_iface_capabilities - Return interface capabilities
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: A dbus message containing a dict of strings
*
* Handler function for "capabilities" method call of an interface.
*/
DBusMessage * wpas_dbus_iface_capabilities(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
struct wpa_driver_capa capa;
int res;
DBusMessageIter iter, iter_dict;
char **eap_methods;
size_t num_items;
dbus_bool_t strict = FALSE;
DBusMessageIter iter_dict_entry, iter_dict_val, iter_array;
if (!dbus_message_get_args(message, NULL,
DBUS_TYPE_BOOLEAN, &strict,
DBUS_TYPE_INVALID))
strict = FALSE;
reply = dbus_message_new_method_return(message);
dbus_message_iter_init_append(reply, &iter);
if (!wpa_dbus_dict_open_write(&iter, &iter_dict))
goto error;
/* EAP methods */
eap_methods = eap_get_names_as_string_array(&num_items);
if (eap_methods) {
dbus_bool_t success = FALSE;
size_t i = 0;
success = wpa_dbus_dict_append_string_array(
&iter_dict, "eap", (const char **) eap_methods,
num_items);
/* free returned method array */
while (eap_methods[i])
os_free(eap_methods[i++]);
os_free(eap_methods);
if (!success)
goto error;
}
res = wpa_drv_get_capa(wpa_s, &capa);
/***** pairwise cipher */
if (res < 0) {
if (!strict) {
const char *args[] = {"CCMP", "TKIP", "NONE"};
if (!wpa_dbus_dict_append_string_array(
&iter_dict, "pairwise", args,
sizeof(args) / sizeof(char*)))
goto error;
}
} else {
if (!wpa_dbus_dict_begin_string_array(&iter_dict, "pairwise",
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto error;
if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "CCMP"))
goto error;
}
if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "TKIP"))
goto error;
}
if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "NONE"))
goto error;
}
if (!wpa_dbus_dict_end_string_array(&iter_dict,
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto error;
}
/***** group cipher */
if (res < 0) {
if (!strict) {
const char *args[] = {
"CCMP", "TKIP", "WEP104", "WEP40"
};
if (!wpa_dbus_dict_append_string_array(
&iter_dict, "group", args,
sizeof(args) / sizeof(char*)))
goto error;
}
} else {
if (!wpa_dbus_dict_begin_string_array(&iter_dict, "group",
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto error;
if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "CCMP"))
goto error;
}
if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "TKIP"))
goto error;
}
if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "WEP104"))
goto error;
}
if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "WEP40"))
goto error;
}
if (!wpa_dbus_dict_end_string_array(&iter_dict,
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto error;
}
/***** key management */
if (res < 0) {
if (!strict) {
const char *args[] = {
"WPA-PSK", "WPA-EAP", "IEEE8021X", "WPA-NONE",
"NONE"
};
if (!wpa_dbus_dict_append_string_array(
&iter_dict, "key_mgmt", args,
sizeof(args) / sizeof(char*)))
goto error;
}
} else {
if (!wpa_dbus_dict_begin_string_array(&iter_dict, "key_mgmt",
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto error;
if (!wpa_dbus_dict_string_array_add_element(&iter_array,
"NONE"))
goto error;
if (!wpa_dbus_dict_string_array_add_element(&iter_array,
"IEEE8021X"))
goto error;
if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "WPA-EAP"))
goto error;
}
if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "WPA-PSK"))
goto error;
}
if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "WPA-NONE"))
goto error;
}
if (!wpa_dbus_dict_end_string_array(&iter_dict,
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto error;
}
/***** WPA protocol */
if (res < 0) {
if (!strict) {
const char *args[] = { "RSN", "WPA" };
if (!wpa_dbus_dict_append_string_array(
&iter_dict, "proto", args,
sizeof(args) / sizeof(char*)))
goto error;
}
} else {
if (!wpa_dbus_dict_begin_string_array(&iter_dict, "proto",
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto error;
if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "RSN"))
goto error;
}
if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "WPA"))
goto error;
}
if (!wpa_dbus_dict_end_string_array(&iter_dict,
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto error;
}
/***** auth alg */
if (res < 0) {
if (!strict) {
const char *args[] = { "OPEN", "SHARED", "LEAP" };
if (!wpa_dbus_dict_append_string_array(
&iter_dict, "auth_alg", args,
sizeof(args) / sizeof(char*)))
goto error;
}
} else {
if (!wpa_dbus_dict_begin_string_array(&iter_dict, "auth_alg",
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto error;
if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "OPEN"))
goto error;
}
if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "SHARED"))
goto error;
}
if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) {
if (!wpa_dbus_dict_string_array_add_element(
&iter_array, "LEAP"))
goto error;
}
if (!wpa_dbus_dict_end_string_array(&iter_dict,
&iter_dict_entry,
&iter_dict_val,
&iter_array))
goto error;
}
if (!wpa_dbus_dict_close_write(&iter, &iter_dict))
goto error;
return reply;
error:
if (reply)
dbus_message_unref(reply);
return dbus_message_new_error(message, WPAS_ERROR_INTERNAL_ERROR,
"an internal error occurred returning "
"interface capabilities.");
}
