/**
* wpas_dbus_iface_set_smartcard_modules - Set smartcard related module paths
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: A dbus message containing a UINT32 indicating success (1) or
* failure (0)
*
* Handler function for "setSmartcardModules" method call.
*/
DBusMessage * wpas_dbus_iface_set_smartcard_modules(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter, iter_dict;
char *opensc_engine_path = NULL;
char *pkcs11_engine_path = NULL;
char *pkcs11_module_path = NULL;
struct wpa_dbus_dict_entry entry;
if (!dbus_message_iter_init(message, &iter))
goto error;
if (!wpa_dbus_dict_open_read(&iter, &iter_dict))
goto error;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
if (!strcmp(entry.key, "opensc_engine_path") &&
(entry.type == DBUS_TYPE_STRING)) {
opensc_engine_path = os_strdup(entry.str_value);
if (opensc_engine_path == NULL)
goto error;
} else if (!strcmp(entry.key, "pkcs11_engine_path") &&
(entry.type == DBUS_TYPE_STRING)) {
pkcs11_engine_path = os_strdup(entry.str_value);
if (pkcs11_engine_path == NULL)
goto error;
} else if (!strcmp(entry.key, "pkcs11_module_path") &&
(entry.type == DBUS_TYPE_STRING)) {
pkcs11_module_path = os_strdup(entry.str_value);
if (pkcs11_module_path == NULL)
goto error;
} else {
wpa_dbus_dict_entry_clear(&entry);
goto error;
}
wpa_dbus_dict_entry_clear(&entry);
}
#ifdef EAP_TLS_OPENSSL
os_free(wpa_s->conf->opensc_engine_path);
wpa_s->conf->opensc_engine_path = opensc_engine_path;
os_free(wpa_s->conf->pkcs11_engine_path);
wpa_s->conf->pkcs11_engine_path = pkcs11_engine_path;
os_free(wpa_s->conf->pkcs11_module_path);
wpa_s->conf->pkcs11_module_path = pkcs11_module_path;
#endif /* EAP_TLS_OPENSSL */
eapol_sm_deinit(wpa_s->eapol);
wpa_supplicant_init_eapol(wpa_s);
return wpas_dbus_new_success_reply(message);
error:
os_free(opensc_engine_path);
os_free(pkcs11_engine_path);
os_free(pkcs11_module_path);
return wpas_dbus_new_invalid_opts_error(message, NULL);
}
static dbus_bool_t _wpa_dbus_dict_entry_get_binarray(
DBusMessageIter *iter, struct wpa_dbus_dict_entry *entry)
{
struct wpa_dbus_dict_entry tmpentry;
size_t buflen = 0;
int i;
if (dbus_message_iter_get_element_type(iter) != DBUS_TYPE_BYTE)
return FALSE;
entry->array_type = WPAS_DBUS_TYPE_BINARRAY;
entry->array_len = 0;
entry->binarray_value = NULL;
while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_ARRAY) {
DBusMessageIter iter_array;
if (entry->array_len == buflen) {
struct wpabuf **newbuf;
buflen += BIN_ARRAY_CHUNK_SIZE;
newbuf = os_realloc_array(entry->binarray_value,
buflen, BIN_ARRAY_ITEM_SIZE);
if (!newbuf)
goto cleanup;
entry->binarray_value = newbuf;
}
dbus_message_iter_recurse(iter, &iter_array);
if (_wpa_dbus_dict_entry_get_byte_array(&iter_array, &tmpentry)
== FALSE)
goto cleanup;
entry->binarray_value[entry->array_len] =
wpabuf_alloc_ext_data((u8 *) tmpentry.bytearray_value,
tmpentry.array_len);
if (entry->binarray_value[entry->array_len] == NULL) {
wpa_dbus_dict_entry_clear(&tmpentry);
goto cleanup;
}
entry->array_len++;
dbus_message_iter_next(iter);
}
return TRUE;
cleanup:
for (i = 0; i < (int) entry->array_len; i++)
wpabuf_free(entry->binarray_value[i]);
os_free(entry->binarray_value);
entry->array_len = 0;
entry->binarray_value = NULL;
return FALSE;
}
/**
* Read the current key/value entry from the dict. Entries are dynamically
* allocated when needed and must be freed after use with the
* wpa_dbus_dict_entry_clear() function.
*
* The returned entry object will be filled with the type and value of the next
* entry in the dict, or the type will be DBUS_TYPE_INVALID if an error
* occurred.
*
* @param iter_dict A valid DBusMessageIter returned from
* wpa_dbus_dict_open_read()
* @param entry A valid dict entry object into which the dict key and value
* will be placed
* @return TRUE on success, FALSE on failure
*
*/
dbus_bool_t wpa_dbus_dict_get_entry(DBusMessageIter *iter_dict,
struct wpa_dbus_dict_entry * entry)
{
DBusMessageIter iter_dict_entry, iter_dict_val;
int type;
const char *key;
if (!iter_dict || !entry)
goto error;
if (dbus_message_iter_get_arg_type(iter_dict) != DBUS_TYPE_DICT_ENTRY)
goto error;
dbus_message_iter_recurse(iter_dict, &iter_dict_entry);
dbus_message_iter_get_basic(&iter_dict_entry, &key);
entry->key = key;
if (!dbus_message_iter_next(&iter_dict_entry))
goto error;
type = dbus_message_iter_get_arg_type(&iter_dict_entry);
if (type != DBUS_TYPE_VARIANT)
goto error;
dbus_message_iter_recurse(&iter_dict_entry, &iter_dict_val);
entry->type = dbus_message_iter_get_arg_type(&iter_dict_val);
if (!_wpa_dbus_dict_fill_value_from_variant(entry, &iter_dict_val))
goto error;
dbus_message_iter_next(iter_dict);
return TRUE;
error:
if (entry) {
wpa_dbus_dict_entry_clear(entry);
entry->type = DBUS_TYPE_INVALID;
entry->array_type = DBUS_TYPE_INVALID;
}
return FALSE;
}
/**
* wpas_dbus_iface_set_network - Set options for a configured network
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* @ssid: wpa_ssid structure for a configured network
* Returns: a dbus message containing a UINT32 indicating success (1) or
* failure (0)
*
* Handler function for "set" method call of a configured network.
*/
DBusMessage * wpas_dbus_iface_set_network(DBusMessage *message,
struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid)
{
DBusMessage *reply = NULL;
struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
DBusMessageIter iter, iter_dict;
dbus_message_iter_init(message, &iter);
if (!wpa_dbus_dict_open_read(&iter, &iter_dict)) {
reply = wpas_dbus_new_invalid_opts_error(message, NULL);
goto out;
}
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
char *value = NULL;
size_t size = 50;
int ret;
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
reply = wpas_dbus_new_invalid_opts_error(message,
NULL);
goto out;
}
/* Type conversions, since wpa_supplicant wants strings */
if (entry.type == DBUS_TYPE_ARRAY &&
entry.array_type == DBUS_TYPE_BYTE) {
if (entry.array_len <= 0)
goto error;
size = entry.array_len * 2 + 1;
value = os_zalloc(size);
if (value == NULL)
goto error;
ret = wpa_snprintf_hex(value, size,
(u8 *) entry.bytearray_value,
entry.array_len);
if (ret <= 0)
goto error;
} else if (entry.type == DBUS_TYPE_STRING) {
if (should_quote_opt(entry.key)) {
size = os_strlen(entry.str_value);
/* Zero-length option check */
if (size <= 0)
goto error;
size += 3; /* For quotes and terminator */
value = os_zalloc(size);
if (value == NULL)
goto error;
ret = os_snprintf(value, size, "\"%s\"",
entry.str_value);
if (ret < 0 || (size_t) ret != (size - 1))
goto error;
} else {
value = os_strdup(entry.str_value);
if (value == NULL)
goto error;
}
} else if (entry.type == DBUS_TYPE_UINT32) {
value = os_zalloc(size);
if (value == NULL)
goto error;
ret = os_snprintf(value, size, "%u",
entry.uint32_value);
if (ret <= 0)
goto error;
} else if (entry.type == DBUS_TYPE_INT32) {
value = os_zalloc(size);
if (value == NULL)
goto error;
ret = os_snprintf(value, size, "%d",
entry.int32_value);
if (ret <= 0)
goto error;
} else
goto error;
if (wpa_config_set(ssid, entry.key, value, 0) < 0)
goto error;
if ((os_strcmp(entry.key, "psk") == 0 &&
value[0] == '"' && ssid->ssid_len) ||
(os_strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
wpa_config_update_psk(ssid);
else if (os_strcmp(entry.key, "priority") == 0)
wpa_config_update_prio_list(wpa_s->conf);
os_free(value);
wpa_dbus_dict_entry_clear(&entry);
continue;
error:
os_free(value);
reply = wpas_dbus_new_invalid_opts_error(message, entry.key);
wpa_dbus_dict_entry_clear(&entry);
break;
}
if (!reply)
reply = wpas_dbus_new_success_reply(message);
out:
return reply;
}
/**
* wpas_dbus_global_add_interface - Request registration of a network interface
* @message: Pointer to incoming dbus message
* @global: %wpa_supplicant global data structure
* Returns: The object path of the new interface object,
* or a dbus error message with more information
*
* Handler function for "addInterface" method call. Handles requests
* by dbus clients to register a network interface that wpa_supplicant
* will manage.
*/
DBusMessage * wpas_dbus_global_add_interface(DBusMessage *message,
struct wpa_global *global)
{
char *ifname = NULL;
char *driver = NULL;
char *driver_param = NULL;
char *confname = NULL;
char *bridge_ifname = NULL;
DBusMessage *reply = NULL;
DBusMessageIter iter;
dbus_message_iter_init(message, &iter);
/* First argument: interface name (DBUS_TYPE_STRING)
* Required; must be non-zero length
*/
if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
goto error;
dbus_message_iter_get_basic(&iter, &ifname);
if (!os_strlen(ifname))
goto error;
/* Second argument: dict of options */
if (dbus_message_iter_next(&iter)) {
DBusMessageIter iter_dict;
struct wpa_dbus_dict_entry entry;
if (!wpa_dbus_dict_open_read(&iter, &iter_dict))
goto error;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
if (!strcmp(entry.key, "driver") &&
(entry.type == DBUS_TYPE_STRING)) {
driver = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
if (driver == NULL)
goto error;
} else if (!strcmp(entry.key, "driver-params") &&
(entry.type == DBUS_TYPE_STRING)) {
driver_param = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
if (driver_param == NULL)
goto error;
} else if (!strcmp(entry.key, "config-file") &&
(entry.type == DBUS_TYPE_STRING)) {
confname = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
if (confname == NULL)
goto error;
} else if (!strcmp(entry.key, "bridge-ifname") &&
(entry.type == DBUS_TYPE_STRING)) {
bridge_ifname = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
if (bridge_ifname == NULL)
goto error;
} else {
wpa_dbus_dict_entry_clear(&entry);
goto error;
}
}
}
/*
* Try to get the wpa_supplicant record for this iface, return
* an error if we already control it.
*/
if (wpa_supplicant_get_iface(global, ifname) != NULL) {
reply = dbus_message_new_error(message,
WPAS_ERROR_EXISTS_ERROR,
"wpa_supplicant already "
"controls this interface.");
} else {
struct wpa_supplicant *wpa_s;
struct wpa_interface iface;
os_memset(&iface, 0, sizeof(iface));
iface.ifname = ifname;
iface.driver = driver;
iface.driver_param = driver_param;
iface.confname = confname;
iface.bridge_ifname = bridge_ifname;
/* Otherwise, have wpa_supplicant attach to it. */
if ((wpa_s = wpa_supplicant_add_iface(global, &iface))) {
const char *path = wpa_s->dbus_path;
reply = dbus_message_new_method_return(message);
dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
&path, DBUS_TYPE_INVALID);
} else {
reply = dbus_message_new_error(message,
WPAS_ERROR_ADD_ERROR,
"wpa_supplicant "
"couldn't grab this "
"interface.");
}
}
out:
os_free(driver);
os_free(driver_param);
os_free(confname);
os_free(bridge_ifname);
return reply;
error:
reply = wpas_dbus_new_invalid_opts_error(message, NULL);
goto out;
}
/**
* wpas_dbus_iface_set_blobs - Store named binary blobs (ie, for certificates)
* @message: Pointer to incoming dbus message
* @wpa_s: %wpa_supplicant data structure
* Returns: A dbus message containing a UINT32 indicating success (1) or
* failure (0)
*
* Asks wpa_supplicant to internally store a one or more binary blobs.
*/
DBusMessage * wpas_dbus_iface_set_blobs(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
DBusMessageIter iter, iter_dict;
dbus_message_iter_init(message, &iter);
if (!wpa_dbus_dict_open_read(&iter, &iter_dict))
return wpas_dbus_new_invalid_opts_error(message, NULL);
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
struct wpa_config_blob *blob;
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
reply = wpas_dbus_new_invalid_opts_error(message,
NULL);
break;
}
if (entry.type != DBUS_TYPE_ARRAY ||
entry.array_type != DBUS_TYPE_BYTE) {
reply = wpas_dbus_new_invalid_opts_error(
message, "Byte array expected.");
break;
}
if ((entry.array_len <= 0) || (entry.array_len > 65536) ||
!strlen(entry.key)) {
reply = wpas_dbus_new_invalid_opts_error(
message, "Invalid array size.");
break;
}
blob = os_zalloc(sizeof(*blob));
if (blob == NULL) {
reply = dbus_message_new_error(
message, WPAS_ERROR_ADD_ERROR,
"Not enough memory to add blob.");
break;
}
blob->data = os_zalloc(entry.array_len);
if (blob->data == NULL) {
reply = dbus_message_new_error(
message, WPAS_ERROR_ADD_ERROR,
"Not enough memory to add blob data.");
os_free(blob);
break;
}
blob->name = os_strdup(entry.key);
blob->len = entry.array_len;
os_memcpy(blob->data, (u8 *) entry.bytearray_value,
entry.array_len);
if (blob->name == NULL || blob->data == NULL) {
wpa_config_free_blob(blob);
reply = dbus_message_new_error(
message, WPAS_ERROR_ADD_ERROR,
"Error adding blob.");
break;
}
/* Success */
if (!wpa_config_remove_blob(wpa_s->conf, blob->name))
wpas_notify_blob_removed(wpa_s, blob->name);
wpa_config_set_blob(wpa_s->conf, blob);
wpas_notify_blob_added(wpa_s, blob->name);
wpa_dbus_dict_entry_clear(&entry);
}
wpa_dbus_dict_entry_clear(&entry);
return reply ? reply : wpas_dbus_new_success_reply(message);
}
