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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 <list>
#include "../node/Constants.hpp"
#include "../node/NetworkController.hpp"
#include "../node/Mutex.hpp"
#include "../node/Utils.hpp"
#include "../node/Address.hpp"
#include "../node/InetAddress.hpp"
#include "../osdep/OSUtils.hpp"
#include "../osdep/Thread.hpp"
#include "../ext/json/json.hpp"
namespace ZeroTier {
class Node;
class EmbeddedNetworkController : public NetworkController
{
public:
EmbeddedNetworkController(Node *node,const char *dbPath);
virtual ~EmbeddedNetworkController();
// Thread main method -- do not call directly
void threadMain()
throw();
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);
// Network base path and network JSON path
inline std::string _networkBP(const uint64_t nwid,bool create)
{
char tmp[64];
std::string p(_path + ZT_PATH_SEPARATOR_S + "network");
if (create) OSUtils::mkdir(p.c_str());
p.push_back(ZT_PATH_SEPARATOR);
Utils::snprintf(tmp,sizeof(tmp),"%.16llx",nwid);
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");
}
// Member base path and member JSON path
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");
}
// In-memory cache of network members
std::map< uint64_t,std::map< Address,nlohmann::json > > _networkMemberCache;
Mutex _networkMemberCache_m;
// Gathers a bunch of statistics about members of a network, IP assignments, etc. that we need in various places
// This does lock _networkMemberCache_m
struct _NetworkMemberInfo
{
_NetworkMemberInfo() : authorizedMemberCount(0),activeMemberCount(0),totalMemberCount(0),mostRecentDeauthTime(0) {}
std::set<Address> activeBridges;
std::set<InetAddress> allocatedIps;
unsigned long authorizedMemberCount;
unsigned long activeMemberCount;
unsigned long totalMemberCount;
uint64_t mostRecentDeauthTime;
};
void _getNetworkMemberInfo(uint64_t now,uint64_t nwid,_NetworkMemberInfo &nmi);
// These init objects with default and static/informational fields
inline void _initMember(nlohmann::json &member)
{
if (!member.count("authorized")) member["authorized"] = false;
if (!member.count("lastAuthorizedTime")) member["lastAuthorizedTime"] = 0ULL;
if (!member.count("lastAuthorizedBy")) member["lastAuthorizedBy"] = "";
if (!member.count("lastDeauthorizedTime")) member["lastDeauthorizedTime"] = 0ULL;
if (!member.count("ipAssignments")) member["ipAssignments"] = nlohmann::json::array();
if (!member.count("recentLog")) member["recentLog"] = nlohmann::json::array();
if (!member.count("activeBridge")) member["activeBridge"] = false;
if (!member.count("tags")) member["tags"] = nlohmann::json::array();
if (!member.count("capabilities")) member["capabilities"] = nlohmann::json::array();
if (!member.count("creationTime")) member["creationTime"] = OSUtils::now();
if (!member.count("noAutoAssignIps")) member["noAutoAssignIps"] = false;
if (!member.count("revision")) member["revision"] = 0ULL;
if (!member.count("enableBroadcast")) member["enableBroadcast"] = true;
member["objtype"] = "member";
}
inline void _initNetwork(nlohmann::json &network)
{
if (!network.count("private")) network["private"] = true;
if (!network.count("creationTime")) network["creationTime"] = OSUtils::now();
if (!network.count("name")) network["name"] = "";
if (!network.count("multicastLimit")) network["multicastLimit"] = (uint64_t)32;
if (!network.count("v4AssignMode")) network["v4AssignMode"] = {{"zt",false}};
if (!network.count("v6AssignMode")) network["v6AssignMode"] = {{"rfc4193",false},{"zt",false},{"6plane",false}};
if (!network.count("authTokens")) network["authTokens"] = nlohmann::json::array();
if (!network.count("capabilities")) network["capabilities"] = nlohmann::json::array();
if (!network.count("rules")) {
// If unspecified, rules are set to allow anything and behave like a flat L2 segment
network["rules"] = {
{ "not",false },
{ "type","ACTION_ACCEPT" }
};
}
network["objtype"] = "network";
}
inline void _addNetworkNonPersistedFields(nlohmann::json &network,uint64_t now,const _NetworkMemberInfo &nmi)
{
network["clock"] = now;
network["authorizedMemberCount"] = nmi.authorizedMemberCount;
network["activeMemberCount"] = nmi.activeMemberCount;
network["totalMemberCount"] = nmi.totalMemberCount;
}
// 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;
// Queue of network member refreshes to be pushed
struct _Refresh
{
Address dest;
uint64_t nwid;
uint64_t blacklistAddresses[64];
uint64_t blacklistThresholds[64];
unsigned int numBlacklistEntries;
};
std::list< _Refresh > _refreshQueue;
Mutex _refreshQueue_m;
Thread _daemon;
volatile bool _daemonRun;
};
} // namespace ZeroTier
#endif
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