958 lines
24 KiB
C
958 lines
24 KiB
C
/*
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* WPA Supplicant / dbus-based control interface
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* Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#include <dbus/dbus.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "common.h"
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#include "dbus_dict_helpers.h"
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/**
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* Start a dict in a dbus message. Should be paired with a call to
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* {@link wpa_dbus_dict_close_write}.
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*
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* @param iter A valid dbus message iterator
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* @param iter_dict (out) A dict iterator to pass to further dict functions
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_open_write(DBusMessageIter *iter,
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DBusMessageIter *iter_dict)
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{
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dbus_bool_t result;
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if (!iter || !iter_dict)
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return FALSE;
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result = dbus_message_iter_open_container(
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iter,
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DBUS_TYPE_ARRAY,
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DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
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DBUS_TYPE_STRING_AS_STRING
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DBUS_TYPE_VARIANT_AS_STRING
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DBUS_DICT_ENTRY_END_CHAR_AS_STRING,
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iter_dict);
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return result;
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}
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/**
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* End a dict element in a dbus message. Should be paired with
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* a call to {@link wpa_dbus_dict_open_write}.
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*
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* @param iter valid dbus message iterator, same as passed to
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* wpa_dbus_dict_open_write()
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* @param iter_dict a dbus dict iterator returned from
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* {@link wpa_dbus_dict_open_write}
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_close_write(DBusMessageIter *iter,
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DBusMessageIter *iter_dict)
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{
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if (!iter || !iter_dict)
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return FALSE;
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return dbus_message_iter_close_container(iter, iter_dict);
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}
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static const char * _wpa_get_type_as_string_from_type(const int type)
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{
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switch(type) {
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case DBUS_TYPE_BYTE:
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return DBUS_TYPE_BYTE_AS_STRING;
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case DBUS_TYPE_BOOLEAN:
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return DBUS_TYPE_BOOLEAN_AS_STRING;
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case DBUS_TYPE_INT16:
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return DBUS_TYPE_INT16_AS_STRING;
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case DBUS_TYPE_UINT16:
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return DBUS_TYPE_UINT16_AS_STRING;
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case DBUS_TYPE_INT32:
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return DBUS_TYPE_INT32_AS_STRING;
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case DBUS_TYPE_UINT32:
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return DBUS_TYPE_UINT32_AS_STRING;
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case DBUS_TYPE_INT64:
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return DBUS_TYPE_INT64_AS_STRING;
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case DBUS_TYPE_UINT64:
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return DBUS_TYPE_UINT64_AS_STRING;
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case DBUS_TYPE_DOUBLE:
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return DBUS_TYPE_DOUBLE_AS_STRING;
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case DBUS_TYPE_STRING:
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return DBUS_TYPE_STRING_AS_STRING;
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case DBUS_TYPE_OBJECT_PATH:
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return DBUS_TYPE_OBJECT_PATH_AS_STRING;
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case DBUS_TYPE_ARRAY:
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return DBUS_TYPE_ARRAY_AS_STRING;
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default:
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return NULL;
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}
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}
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static dbus_bool_t _wpa_dbus_add_dict_entry_start(
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DBusMessageIter *iter_dict, DBusMessageIter *iter_dict_entry,
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const char *key, const int value_type)
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{
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if (!dbus_message_iter_open_container(iter_dict,
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DBUS_TYPE_DICT_ENTRY, NULL,
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iter_dict_entry))
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return FALSE;
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if (!dbus_message_iter_append_basic(iter_dict_entry, DBUS_TYPE_STRING,
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&key))
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return FALSE;
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return TRUE;
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}
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static dbus_bool_t _wpa_dbus_add_dict_entry_end(
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DBusMessageIter *iter_dict, DBusMessageIter *iter_dict_entry,
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DBusMessageIter *iter_dict_val)
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{
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if (!dbus_message_iter_close_container(iter_dict_entry, iter_dict_val))
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return FALSE;
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if (!dbus_message_iter_close_container(iter_dict, iter_dict_entry))
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return FALSE;
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return TRUE;
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}
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static dbus_bool_t _wpa_dbus_add_dict_entry_basic(DBusMessageIter *iter_dict,
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const char *key,
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const int value_type,
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const void *value)
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{
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DBusMessageIter iter_dict_entry, iter_dict_val;
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const char *type_as_string = NULL;
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type_as_string = _wpa_get_type_as_string_from_type(value_type);
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if (!type_as_string)
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return FALSE;
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if (!_wpa_dbus_add_dict_entry_start(iter_dict, &iter_dict_entry,
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key, value_type))
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return FALSE;
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if (!dbus_message_iter_open_container(&iter_dict_entry,
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DBUS_TYPE_VARIANT,
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type_as_string, &iter_dict_val))
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return FALSE;
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if (!dbus_message_iter_append_basic(&iter_dict_val, value_type, value))
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return FALSE;
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if (!_wpa_dbus_add_dict_entry_end(iter_dict, &iter_dict_entry,
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&iter_dict_val))
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return FALSE;
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return TRUE;
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}
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static dbus_bool_t _wpa_dbus_add_dict_entry_byte_array(
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DBusMessageIter *iter_dict, const char *key,
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const char *value, const dbus_uint32_t value_len)
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{
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DBusMessageIter iter_dict_entry, iter_dict_val, iter_array;
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dbus_uint32_t i;
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if (!_wpa_dbus_add_dict_entry_start(iter_dict, &iter_dict_entry,
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key, DBUS_TYPE_ARRAY))
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return FALSE;
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if (!dbus_message_iter_open_container(&iter_dict_entry,
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DBUS_TYPE_VARIANT,
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DBUS_TYPE_ARRAY_AS_STRING
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DBUS_TYPE_BYTE_AS_STRING,
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&iter_dict_val))
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return FALSE;
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if (!dbus_message_iter_open_container(&iter_dict_val, DBUS_TYPE_ARRAY,
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DBUS_TYPE_BYTE_AS_STRING,
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&iter_array))
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return FALSE;
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for (i = 0; i < value_len; i++) {
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if (!dbus_message_iter_append_basic(&iter_array,
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DBUS_TYPE_BYTE,
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&(value[i])))
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return FALSE;
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}
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if (!dbus_message_iter_close_container(&iter_dict_val, &iter_array))
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return FALSE;
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if (!_wpa_dbus_add_dict_entry_end(iter_dict, &iter_dict_entry,
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&iter_dict_val))
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return FALSE;
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return TRUE;
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}
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/**
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* Add a string entry to the dict.
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*
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* @param iter_dict A valid DBusMessageIter returned from
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* {@link wpa_dbus_dict_open_write}
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* @param key The key of the dict item
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* @param value The string value
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_append_string(DBusMessageIter *iter_dict,
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const char *key, const char *value)
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{
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if (!key || !value)
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return FALSE;
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return _wpa_dbus_add_dict_entry_basic(iter_dict, key, DBUS_TYPE_STRING,
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&value);
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}
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/**
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* Add a byte entry to the dict.
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*
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* @param iter_dict A valid DBusMessageIter returned from
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* {@link wpa_dbus_dict_open_write}
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* @param key The key of the dict item
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* @param value The byte value
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_append_byte(DBusMessageIter *iter_dict,
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const char *key, const char value)
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{
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if (!key)
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return FALSE;
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return _wpa_dbus_add_dict_entry_basic(iter_dict, key, DBUS_TYPE_BYTE,
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&value);
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}
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/**
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* Add a boolean entry to the dict.
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*
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* @param iter_dict A valid DBusMessageIter returned from
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* {@link wpa_dbus_dict_open_write}
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* @param key The key of the dict item
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* @param value The boolean value
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_append_bool(DBusMessageIter *iter_dict,
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const char *key, const dbus_bool_t value)
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{
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if (!key)
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return FALSE;
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return _wpa_dbus_add_dict_entry_basic(iter_dict, key,
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DBUS_TYPE_BOOLEAN, &value);
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}
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/**
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* Add a 16-bit signed integer entry to the dict.
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*
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* @param iter_dict A valid DBusMessageIter returned from
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* {@link wpa_dbus_dict_open_write}
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* @param key The key of the dict item
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* @param value The 16-bit signed integer value
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_append_int16(DBusMessageIter *iter_dict,
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const char *key,
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const dbus_int16_t value)
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{
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if (!key)
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return FALSE;
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return _wpa_dbus_add_dict_entry_basic(iter_dict, key, DBUS_TYPE_INT16,
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&value);
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}
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/**
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* Add a 16-bit unsigned integer entry to the dict.
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*
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* @param iter_dict A valid DBusMessageIter returned from
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* {@link wpa_dbus_dict_open_write}
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* @param key The key of the dict item
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* @param value The 16-bit unsigned integer value
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_append_uint16(DBusMessageIter *iter_dict,
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const char *key,
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const dbus_uint16_t value)
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{
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if (!key)
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return FALSE;
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return _wpa_dbus_add_dict_entry_basic(iter_dict, key, DBUS_TYPE_UINT16,
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&value);
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}
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/**
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* Add a 32-bit signed integer to the dict.
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*
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* @param iter_dict A valid DBusMessageIter returned from
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* {@link wpa_dbus_dict_open_write}
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* @param key The key of the dict item
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* @param value The 32-bit signed integer value
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_append_int32(DBusMessageIter *iter_dict,
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const char *key,
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const dbus_int32_t value)
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{
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if (!key)
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return FALSE;
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return _wpa_dbus_add_dict_entry_basic(iter_dict, key, DBUS_TYPE_INT32,
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&value);
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}
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/**
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* Add a 32-bit unsigned integer entry to the dict.
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*
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* @param iter_dict A valid DBusMessageIter returned from
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* {@link wpa_dbus_dict_open_write}
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* @param key The key of the dict item
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* @param value The 32-bit unsigned integer value
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_append_uint32(DBusMessageIter *iter_dict,
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const char *key,
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const dbus_uint32_t value)
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{
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if (!key)
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return FALSE;
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return _wpa_dbus_add_dict_entry_basic(iter_dict, key, DBUS_TYPE_UINT32,
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&value);
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}
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/**
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* Add a 64-bit integer entry to the dict.
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*
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* @param iter_dict A valid DBusMessageIter returned from
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* {@link wpa_dbus_dict_open_write}
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* @param key The key of the dict item
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* @param value The 64-bit integer value
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_append_int64(DBusMessageIter *iter_dict,
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const char *key,
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const dbus_int64_t value)
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{
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if (!key)
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return FALSE;
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return _wpa_dbus_add_dict_entry_basic(iter_dict, key, DBUS_TYPE_INT64,
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&value);
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}
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/**
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* Add a 64-bit unsigned integer entry to the dict.
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*
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* @param iter_dict A valid DBusMessageIter returned from
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* {@link wpa_dbus_dict_open_write}
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* @param key The key of the dict item
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* @param value The 64-bit unsigned integer value
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_append_uint64(DBusMessageIter *iter_dict,
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const char *key,
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const dbus_uint64_t value)
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{
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if (!key)
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return FALSE;
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return _wpa_dbus_add_dict_entry_basic(iter_dict, key, DBUS_TYPE_UINT64,
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&value);
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}
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/**
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* Add a double-precision floating point entry to the dict.
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*
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* @param iter_dict A valid DBusMessageIter returned from
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* {@link wpa_dbus_dict_open_write}
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* @param key The key of the dict item
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* @param value The double-precision floating point value
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_append_double(DBusMessageIter *iter_dict,
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const char * key,
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const double value)
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{
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if (!key)
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return FALSE;
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return _wpa_dbus_add_dict_entry_basic(iter_dict, key, DBUS_TYPE_DOUBLE,
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&value);
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}
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/**
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* Add a DBus object path entry to the dict.
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*
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* @param iter_dict A valid DBusMessageIter returned from
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* {@link wpa_dbus_dict_open_write}
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* @param key The key of the dict item
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* @param value The DBus object path value
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_append_object_path(DBusMessageIter *iter_dict,
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const char *key,
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const char *value)
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{
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if (!key || !value)
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return FALSE;
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return _wpa_dbus_add_dict_entry_basic(iter_dict, key,
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DBUS_TYPE_OBJECT_PATH, &value);
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}
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/**
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* Add a byte array entry to the dict.
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*
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* @param iter_dict A valid DBusMessageIter returned from
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* {@link wpa_dbus_dict_open_write}
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* @param key The key of the dict item
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* @param value The byte array
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* @param value_len The length of the byte array, in bytes
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_append_byte_array(DBusMessageIter *iter_dict,
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const char *key,
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const char *value,
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const dbus_uint32_t value_len)
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{
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if (!key)
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return FALSE;
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if (!value && (value_len != 0))
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return FALSE;
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return _wpa_dbus_add_dict_entry_byte_array(iter_dict, key, value,
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value_len);
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}
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/**
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* Begin a string array entry in the dict
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*
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* @param iter_dict A valid DBusMessageIter returned from
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* {@link nmu_dbus_dict_open_write}
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* @param key The key of the dict item
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* @param iter_dict_entry A private DBusMessageIter provided by the caller to
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* be passed to {@link wpa_dbus_dict_end_string_array}
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* @param iter_dict_val A private DBusMessageIter provided by the caller to
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* be passed to {@link wpa_dbus_dict_end_string_array}
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* @param iter_array On return, the DBusMessageIter to be passed to
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* {@link wpa_dbus_dict_string_array_add_element}
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_begin_string_array(DBusMessageIter *iter_dict,
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const char *key,
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DBusMessageIter *iter_dict_entry,
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DBusMessageIter *iter_dict_val,
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DBusMessageIter *iter_array)
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{
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if (!iter_dict || !iter_dict_entry || !iter_dict_val || !iter_array)
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return FALSE;
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if (!_wpa_dbus_add_dict_entry_start(iter_dict, iter_dict_entry,
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key, DBUS_TYPE_ARRAY))
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return FALSE;
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if (!dbus_message_iter_open_container(iter_dict_entry,
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DBUS_TYPE_VARIANT,
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DBUS_TYPE_ARRAY_AS_STRING
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DBUS_TYPE_STRING_AS_STRING,
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iter_dict_val))
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return FALSE;
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if (!dbus_message_iter_open_container(iter_dict_val, DBUS_TYPE_ARRAY,
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DBUS_TYPE_BYTE_AS_STRING,
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iter_array))
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return FALSE;
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return TRUE;
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}
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/**
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* Add a single string element to a string array dict entry
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*
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* @param iter_array A valid DBusMessageIter returned from
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* {@link wpa_dbus_dict_begin_string_array}'s
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* iter_array parameter
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* @param elem The string element to be added to the dict entry's string array
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* @return TRUE on success, FALSE on failure
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*
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*/
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dbus_bool_t wpa_dbus_dict_string_array_add_element(DBusMessageIter *iter_array,
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const char *elem)
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{
|
|
if (!iter_array || !elem)
|
|
return FALSE;
|
|
|
|
return dbus_message_iter_append_basic(iter_array, DBUS_TYPE_STRING,
|
|
&elem);
|
|
}
|
|
|
|
|
|
/**
|
|
* End a string array dict entry
|
|
*
|
|
* @param iter_dict A valid DBusMessageIter returned from
|
|
* {@link nmu_dbus_dict_open_write}
|
|
* @param iter_dict_entry A private DBusMessageIter returned from
|
|
* {@link wpa_dbus_dict_end_string_array}
|
|
* @param iter_dict_val A private DBusMessageIter returned from
|
|
* {@link wpa_dbus_dict_end_string_array}
|
|
* @param iter_array A DBusMessageIter returned from
|
|
* {@link wpa_dbus_dict_end_string_array}
|
|
* @return TRUE on success, FALSE on failure
|
|
*
|
|
*/
|
|
dbus_bool_t wpa_dbus_dict_end_string_array(DBusMessageIter *iter_dict,
|
|
DBusMessageIter *iter_dict_entry,
|
|
DBusMessageIter *iter_dict_val,
|
|
DBusMessageIter *iter_array)
|
|
{
|
|
if (!iter_dict || !iter_dict_entry || !iter_dict_val || !iter_array)
|
|
return FALSE;
|
|
|
|
if (!dbus_message_iter_close_container(iter_dict_val, iter_array))
|
|
return FALSE;
|
|
|
|
if (!_wpa_dbus_add_dict_entry_end(iter_dict, iter_dict_entry,
|
|
iter_dict_val))
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**
|
|
* Convenience function to add an entire string array to the dict.
|
|
*
|
|
* @param iter_dict A valid DBusMessageIter returned from
|
|
* {@link nmu_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;
|
|
}
|
|
|
|
|
|
/*****************************************************/
|
|
/* Stuff for reading dicts */
|
|
/*****************************************************/
|
|
|
|
/**
|
|
* Start reading from a dbus dict.
|
|
*
|
|
* @param iter A valid DBusMessageIter pointing to the start of the dict
|
|
* @param iter_dict (out) A DBusMessageIter to be passed to
|
|
* {@link wpa_dbus_dict_read_next_entry}
|
|
* @return TRUE on success, FALSE on failure
|
|
*
|
|
*/
|
|
dbus_bool_t wpa_dbus_dict_open_read(DBusMessageIter *iter,
|
|
DBusMessageIter *iter_dict)
|
|
{
|
|
if (!iter || !iter_dict)
|
|
return FALSE;
|
|
|
|
if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_ARRAY ||
|
|
dbus_message_iter_get_element_type(iter) != DBUS_TYPE_DICT_ENTRY)
|
|
return FALSE;
|
|
|
|
dbus_message_iter_recurse(iter, iter_dict);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static dbus_bool_t _wpa_dbus_dict_entry_get_byte_array(
|
|
DBusMessageIter *iter, int array_len, int array_type,
|
|
struct wpa_dbus_dict_entry *entry)
|
|
{
|
|
dbus_uint32_t i = 0;
|
|
dbus_bool_t success = FALSE;
|
|
char byte;
|
|
|
|
/* Zero-length arrays are valid. */
|
|
if (array_len == 0) {
|
|
entry->bytearray_value = NULL;
|
|
entry->array_type = DBUS_TYPE_BYTE;
|
|
success = TRUE;
|
|
goto done;
|
|
}
|
|
|
|
entry->bytearray_value = wpa_zalloc(array_len * sizeof(char));
|
|
if (!entry->bytearray_value) {
|
|
perror("_wpa_dbus_dict_entry_get_byte_array[dbus]: out of "
|
|
"memory");
|
|
goto done;
|
|
}
|
|
|
|
entry->array_type = DBUS_TYPE_BYTE;
|
|
entry->array_len = array_len;
|
|
while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_BYTE) {
|
|
dbus_message_iter_get_basic(iter, &byte);
|
|
entry->bytearray_value[i++] = byte;
|
|
dbus_message_iter_next(iter);
|
|
}
|
|
success = TRUE;
|
|
|
|
done:
|
|
return success;
|
|
}
|
|
|
|
|
|
static dbus_bool_t _wpa_dbus_dict_entry_get_string_array(
|
|
DBusMessageIter *iter, int array_len, int array_type,
|
|
struct wpa_dbus_dict_entry *entry)
|
|
{
|
|
dbus_uint32_t count = 0;
|
|
dbus_bool_t success = FALSE;
|
|
char **buffer;
|
|
|
|
entry->strarray_value = NULL;
|
|
entry->array_type = DBUS_TYPE_STRING;
|
|
|
|
/* Zero-length arrays are valid. */
|
|
if (array_len == 0) {
|
|
success = TRUE;
|
|
goto done;
|
|
}
|
|
|
|
buffer = wpa_zalloc(sizeof (char *) * 8);
|
|
if (buffer == NULL) {
|
|
perror("_wpa_dbus_dict_entry_get_string_array[dbus] out of "
|
|
"memory trying to retrieve a string array");
|
|
goto done;
|
|
}
|
|
|
|
entry->strarray_value = buffer;
|
|
entry->array_len = 0;
|
|
while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_STRING) {
|
|
const char *value;
|
|
char *str;
|
|
|
|
if ((count % 8) == 0 && count != 0) {
|
|
char **tmp;
|
|
tmp = realloc(buffer, sizeof(char *) * (count + 8));
|
|
if (tmp == NULL) {
|
|
perror("_wpa_dbus_dict_entry_get_string_array["
|
|
"dbus] out of memory trying to "
|
|
"retrieve the string array");
|
|
free(buffer);
|
|
buffer = NULL;
|
|
goto done;
|
|
}
|
|
buffer = tmp;
|
|
}
|
|
entry->strarray_value = buffer;
|
|
|
|
dbus_message_iter_get_basic(iter, &value);
|
|
str = strdup(value);
|
|
if (str == NULL) {
|
|
perror("_wpa_dbus_dict_entry_get_string_array[dbus] "
|
|
"out of memory trying to duplicate the string "
|
|
"array");
|
|
goto done;
|
|
}
|
|
entry->strarray_value[count] = str;
|
|
entry->array_len = ++count;
|
|
dbus_message_iter_next(iter);
|
|
}
|
|
success = TRUE;
|
|
|
|
done:
|
|
return success;
|
|
}
|
|
|
|
|
|
static dbus_bool_t _wpa_dbus_dict_entry_get_array(
|
|
DBusMessageIter *iter_dict_val, struct wpa_dbus_dict_entry *entry)
|
|
{
|
|
int array_type = dbus_message_iter_get_element_type(iter_dict_val);
|
|
int array_len;
|
|
dbus_bool_t success = FALSE;
|
|
DBusMessageIter iter_array;
|
|
|
|
if (!entry)
|
|
return FALSE;
|
|
|
|
dbus_message_iter_recurse(iter_dict_val, &iter_array);
|
|
|
|
array_len = dbus_message_iter_get_array_len(&iter_array);
|
|
if (array_len < 0)
|
|
return FALSE;
|
|
|
|
switch (array_type) {
|
|
case DBUS_TYPE_BYTE:
|
|
success = _wpa_dbus_dict_entry_get_byte_array(&iter_array,
|
|
array_len,
|
|
array_type,
|
|
entry);
|
|
break;
|
|
case DBUS_TYPE_STRING:
|
|
success = _wpa_dbus_dict_entry_get_string_array(&iter_array,
|
|
array_len,
|
|
array_type,
|
|
entry);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
|
|
static dbus_bool_t _wpa_dbus_dict_fill_value_from_variant(
|
|
struct wpa_dbus_dict_entry *entry, DBusMessageIter *iter_dict_val)
|
|
{
|
|
dbus_bool_t success = TRUE;
|
|
|
|
switch (entry->type) {
|
|
case DBUS_TYPE_STRING: {
|
|
const char *v;
|
|
dbus_message_iter_get_basic(iter_dict_val, &v);
|
|
entry->str_value = strdup(v);
|
|
break;
|
|
}
|
|
case DBUS_TYPE_BOOLEAN: {
|
|
dbus_bool_t v;
|
|
dbus_message_iter_get_basic(iter_dict_val, &v);
|
|
entry->bool_value = v;
|
|
break;
|
|
}
|
|
case DBUS_TYPE_BYTE: {
|
|
char v;
|
|
dbus_message_iter_get_basic(iter_dict_val, &v);
|
|
entry->byte_value = v;
|
|
break;
|
|
}
|
|
case DBUS_TYPE_INT16: {
|
|
dbus_int16_t v;
|
|
dbus_message_iter_get_basic(iter_dict_val, &v);
|
|
entry->int16_value = v;
|
|
break;
|
|
}
|
|
case DBUS_TYPE_UINT16: {
|
|
dbus_uint16_t v;
|
|
dbus_message_iter_get_basic(iter_dict_val, &v);
|
|
entry->uint16_value = v;
|
|
break;
|
|
}
|
|
case DBUS_TYPE_INT32: {
|
|
dbus_int32_t v;
|
|
dbus_message_iter_get_basic(iter_dict_val, &v);
|
|
entry->int32_value = v;
|
|
break;
|
|
}
|
|
case DBUS_TYPE_UINT32: {
|
|
dbus_uint32_t v;
|
|
dbus_message_iter_get_basic(iter_dict_val, &v);
|
|
entry->uint32_value = v;
|
|
break;
|
|
}
|
|
case DBUS_TYPE_INT64: {
|
|
dbus_int64_t v;
|
|
dbus_message_iter_get_basic(iter_dict_val, &v);
|
|
entry->int64_value = v;
|
|
break;
|
|
}
|
|
case DBUS_TYPE_UINT64: {
|
|
dbus_uint64_t v;
|
|
dbus_message_iter_get_basic(iter_dict_val, &v);
|
|
entry->uint64_value = v;
|
|
break;
|
|
}
|
|
case DBUS_TYPE_DOUBLE: {
|
|
double v;
|
|
dbus_message_iter_get_basic(iter_dict_val, &v);
|
|
entry->double_value = v;
|
|
break;
|
|
}
|
|
case DBUS_TYPE_OBJECT_PATH: {
|
|
char *v;
|
|
dbus_message_iter_get_basic(iter_dict_val, &v);
|
|
entry->str_value = strdup(v);
|
|
break;
|
|
}
|
|
case DBUS_TYPE_ARRAY: {
|
|
success = _wpa_dbus_dict_entry_get_array(iter_dict_val, entry);
|
|
break;
|
|
}
|
|
default:
|
|
success = FALSE;
|
|
break;
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
|
|
/**
|
|
* Read the current key/value entry from the dict. Entries are dynamically
|
|
* allocated when needed and must be freed after use with the
|
|
* {@link 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
|
|
* {@link 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;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return whether or not there are additional dictionary entries.
|
|
*
|
|
* @param iter_dict A valid DBusMessageIter returned from
|
|
* {@link wpa_dbus_dict_open_read}
|
|
* @return TRUE if more dict entries exists, FALSE if no more dict entries
|
|
* exist
|
|
*/
|
|
dbus_bool_t wpa_dbus_dict_has_dict_entry(DBusMessageIter *iter_dict)
|
|
{
|
|
if (!iter_dict) {
|
|
perror("wpa_dbus_dict_has_dict_entry[dbus]: out of memory");
|
|
return FALSE;
|
|
}
|
|
return dbus_message_iter_get_arg_type(iter_dict) ==
|
|
DBUS_TYPE_DICT_ENTRY;
|
|
}
|
|
|
|
|
|
/**
|
|
* Free any memory used by the entry object.
|
|
*
|
|
* @param entry The entry object
|
|
*/
|
|
void wpa_dbus_dict_entry_clear(struct wpa_dbus_dict_entry *entry)
|
|
{
|
|
if (!entry)
|
|
return;
|
|
switch (entry->type) {
|
|
case DBUS_TYPE_OBJECT_PATH:
|
|
case DBUS_TYPE_STRING:
|
|
free(entry->str_value);
|
|
break;
|
|
case DBUS_TYPE_ARRAY:
|
|
switch (entry->array_type) {
|
|
case DBUS_TYPE_BYTE:
|
|
free(entry->bytearray_value);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
memset(entry, 0, sizeof(struct wpa_dbus_dict_entry));
|
|
}
|