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/*
* Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <iostream>
#include <string>
#include <dbuspolicy1/libdbuspolicy1.h>
#include "xml_parser.hpp"
#include "policy.hpp"
#include "naive_policy_checker.hpp"
#include "internal.h"
#include "../libdbuspolicy1-private.h"
static ldp_xml_parser::NaivePolicyChecker policy_checker;
static const char* get_str(const char* const szstr) {
return (szstr != NULL) ? szstr : "";
}
static const char** get_strv(const char *s, const char** result) {
int i = 0;
unsigned k = 0;
if (s) {
while (s[i] && k < KDBUS_CONN_MAX_NAMES + 1) {
char c;
while ((c = s[i++]) && ' ' != c);
result[k++] = s;
s += i;
i = 0;
}
if (k >= KDBUS_CONN_MAX_NAMES + 1)
return NULL;
if (k)
result[k++] = NULL;
}
if (!k) {
result[0] = "";
result[1] = NULL;
}
return result;
}
int __internal_init(bool bus_type, const char* const config_name)
{
ldp_xml_parser::XmlParser p;
p.registerAdapter(policy_checker.generateAdapter());
auto err = p.parsePolicy(bus_type, get_str(config_name));
return err.get();
}
pthread_mutex_t g_mutex = PTHREAD_MUTEX_INITIALIZER;
void __internal_init_once()
{
tslog::init();
}
void __internal_init_flush_logs()
{
if (tslog::enabled()) {
pthread_mutex_lock(&g_mutex);
std::cout << std::flush;
pthread_mutex_unlock(&g_mutex);
}
}
void __internal_enter()
{
if (tslog::enabled())
pthread_mutex_lock(&g_mutex);
}
void __internal_exit()
{
if (tslog::enabled())
pthread_mutex_unlock(&g_mutex);
}
int __internal_can_send(bool bus_type,
const uid_t user,
const gid_t group,
const char* const label,
const char* const destination,
const char* const path,
const char* const interface,
const char* const member,
int type)
{
const char* names[KDBUS_CONN_MAX_NAMES+1];
const char** ns = get_strv(destination, names);
if (!ns) {
if (tslog::verbose())
std::cout << "Destination too long: "<<destination<<std::endl;
return false;
}
return static_cast<int>(policy_checker.check(bus_type, user, group, label, ns, interface, member, path, static_cast<ldp_xml_parser::MessageType>(type), ldp_xml_parser::MessageDirection::SEND));
}
int __internal_can_send_multi_dest(bool bus_type,
const uid_t user,
const gid_t group,
const char* const label,
const char** const destination,
const char* const path,
const char* const interface,
const char* const member,
int type)
{
return static_cast<int>(policy_checker.check(bus_type, user, group, label, destination, interface, member, path, static_cast<ldp_xml_parser::MessageType>(type), ldp_xml_parser::MessageDirection::SEND));
}
int __internal_can_recv(bool bus_type,
const uid_t user,
const gid_t group,
const char* const label,
const char* const sender,
const char* const path,
const char* const interface,
const char* const member,
int type)
{
const char* names[KDBUS_CONN_MAX_NAMES+1];
const char** ns = get_strv(sender, names);
return static_cast<int>(policy_checker.check(bus_type, user, group, label, ns, interface, member, path, static_cast<ldp_xml_parser::MessageType>(type), ldp_xml_parser::MessageDirection::RECEIVE));
}
int __internal_can_own(bool bus_type,
const uid_t user,
const gid_t group,
const char* const label,
const char* const service)
{
return static_cast<int>(policy_checker.check(bus_type, user, group, label, service));
}
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