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/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ZT_SQLITENETWORKCONTROLLER_HPP
#define ZT_SQLITENETWORKCONTROLLER_HPP
#include <stdint.h>
#include <string>
#include <map>
#include <vector>
#include <set>
#include "../node/Constants.hpp"
#include "../node/NetworkController.hpp"
#include "../node/Mutex.hpp"
#include "../node/Utils.hpp"
#include "../node/InetAddress.hpp"
#include "../osdep/OSUtils.hpp"
#include "../ext/json/json.hpp"
namespace ZeroTier {
class Node;
class EmbeddedNetworkController : public NetworkController
{
public:
EmbeddedNetworkController(Node *node,const char *dbPath);
virtual ~EmbeddedNetworkController();
virtual NetworkController::ResultCode doNetworkConfigRequest(
const InetAddress &fromAddr,
const Identity &signingId,
const Identity &identity,
uint64_t nwid,
const Dictionary<ZT_NETWORKCONFIG_METADATA_DICT_CAPACITY> &metaData,
NetworkConfig &nc);
unsigned int handleControlPlaneHttpGET(
const std::vector<std::string> &path,
const std::map<std::string,std::string> &urlArgs,
const std::map<std::string,std::string> &headers,
const std::string &body,
std::string &responseBody,
std::string &responseContentType);
unsigned int handleControlPlaneHttpPOST(
const std::vector<std::string> &path,
const std::map<std::string,std::string> &urlArgs,
const std::map<std::string,std::string> &headers,
const std::string &body,
std::string &responseBody,
std::string &responseContentType);
unsigned int handleControlPlaneHttpDELETE(
const std::vector<std::string> &path,
const std::map<std::string,std::string> &urlArgs,
const std::map<std::string,std::string> &headers,
const std::string &body,
std::string &responseBody,
std::string &responseContentType);
private:
static void _circuitTestCallback(ZT_Node *node,ZT_CircuitTest *test,const ZT_CircuitTestReport *report);
inline nlohmann::json _readJson(const std::string &path)
{
std::string buf;
if (OSUtils::readFile(path.c_str(),buf)) {
try {
return nlohmann::json::parse(buf);
} catch ( ... ) {}
}
return nlohmann::json::object();
}
inline bool _writeJson(const std::string &path,const nlohmann::json &obj)
{
std::string buf(obj.dump(2));
return OSUtils::writeFile(path.c_str(),buf);
}
inline std::string _networkBP(const uint64_t nwid,bool create)
{
char tmp[64];
Utils::snprintf(tmp,sizeof(tmp),"%.16llx",nwid);
std::string p(_path + ZT_PATH_SEPARATOR_S + "network");
if (create) OSUtils::mkdir(p.c_str());
p.push_back(ZT_PATH_SEPARATOR);
p.append(tmp);
if (create) OSUtils::mkdir(p.c_str());
return p;
}
inline std::string _networkJP(const uint64_t nwid,bool create)
{
return (_networkBP(nwid,create) + ZT_PATH_SEPARATOR + "config.json");
}
inline std::string _memberBP(const uint64_t nwid,const Address &member,bool create)
{
std::string p(_networkBP(nwid,create));
p.push_back(ZT_PATH_SEPARATOR);
p.append("member");
if (create) OSUtils::mkdir(p.c_str());
p.push_back(ZT_PATH_SEPARATOR);
p.append(member.toString());
if (create) OSUtils::mkdir(p.c_str());
return p;
}
inline std::string _memberJP(const uint64_t nwid,const Address &member,bool create)
{
return (_memberBP(nwid,member,create) + ZT_PATH_SEPARATOR + "config.json");
}
inline std::set<InetAddress> _getAlreadyAllocatedIps(const uint64_t nwid)
{
std::set<InetAddress> ips;
std::string bp(_networkBP(nwid,false) + ZT_PATH_SEPARATOR_S + "member");
std::vector<std::string> members(OSUtils::listSubdirectories(bp.c_str()));
for(std::vector<std::string>::iterator m(members.begin());m!=members.end();++m) {
if (m->length() == ZT_ADDRESS_LENGTH_HEX) {
nlohmann::json mj = _readJson(bp + ZT_PATH_SEPARATOR_S + *m + ZT_PATH_SEPARATOR_S + "config.json");
auto ipAssignments = mj["ipAssignments"];
if (ipAssignments.is_array()) {
for(unsigned long i=0;i<ipAssignments.size();++i) {
std::string ipstr = ipAssignments[i];
InetAddress ip(ipstr);
if (ip)
ips.insert(ip);
}
}
}
}
return ips;
}
// These are const after construction
Node *const _node;
std::string _path;
// Circuit tests outstanding
struct _CircuitTestEntry
{
ZT_CircuitTest *test;
std::string jsonResults;
};
std::map< uint64_t,_CircuitTestEntry > _circuitTests;
Mutex _circuitTests_m;
// Last request time by address, for rate limitation
std::map< std::pair<uint64_t,uint64_t>,uint64_t > _lastRequestTime;
Mutex _lastRequestTime_m;
};
} // namespace ZeroTier
#endif
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