mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-19 04:57:53 +00:00
420 lines
15 KiB
C++
420 lines
15 KiB
C++
/*
|
|
* ZeroTier One - Network Virtualization Everywhere
|
|
* Copyright (C) 2011-2019 ZeroTier, Inc. https://www.zerotier.com/
|
|
*
|
|
* 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/>.
|
|
*
|
|
* --
|
|
*
|
|
* You can be released from the requirements of the license by purchasing
|
|
* a commercial license. Buying such a license is mandatory as soon as you
|
|
* develop commercial closed-source software that incorporates or links
|
|
* directly against ZeroTier software without disclosing the source code
|
|
* of your own application.
|
|
*/
|
|
|
|
#include "LFDB.hpp"
|
|
|
|
#include <thread>
|
|
#include <chrono>
|
|
#include <iostream>
|
|
#include <sstream>
|
|
|
|
#include "../osdep/OSUtils.hpp"
|
|
#include "../ext/cpp-httplib/httplib.h"
|
|
|
|
namespace ZeroTier
|
|
{
|
|
|
|
LFDB::LFDB(const Identity &myId,const char *path,const char *lfOwnerPrivate,const char *lfOwnerPublic,const char *lfNodeHost,int lfNodePort,bool storeOnlineState) :
|
|
DB(),
|
|
_myId(myId),
|
|
_lfOwnerPrivate((lfOwnerPrivate) ? lfOwnerPrivate : ""),
|
|
_lfOwnerPublic((lfOwnerPublic) ? lfOwnerPublic : ""),
|
|
_lfNodeHost((lfNodeHost) ? lfNodeHost : "127.0.0.1"),
|
|
_lfNodePort(((lfNodePort > 0)&&(lfNodePort < 65536)) ? lfNodePort : 9980),
|
|
_running(true),
|
|
_ready(false),
|
|
_storeOnlineState(storeOnlineState)
|
|
{
|
|
_syncThread = std::thread([this]() {
|
|
char controllerAddress[24];
|
|
const uint64_t controllerAddressInt = _myId.address().toInt();
|
|
_myId.address().toString(controllerAddress);
|
|
std::string networksSelectorName("com.zerotier.controller.lfdb:"); networksSelectorName.append(controllerAddress); networksSelectorName.append("/network");
|
|
|
|
// LF record masking key is the first 32 bytes of SHA512(controller private key) in hex,
|
|
// hiding record values from anything but the controller or someone who has its key.
|
|
uint8_t sha512pk[64];
|
|
_myId.sha512PrivateKey(sha512pk);
|
|
char maskingKey [128];
|
|
Utils::hex(sha512pk,32,maskingKey);
|
|
|
|
httplib::Client htcli(_lfNodeHost.c_str(),_lfNodePort,600);
|
|
int64_t timeRangeStart = 0;
|
|
while (_running.load()) {
|
|
{
|
|
std::lock_guard<std::mutex> sl(_state_l);
|
|
for(auto ns=_state.begin();ns!=_state.end();++ns) {
|
|
if (ns->second.dirty) {
|
|
nlohmann::json network;
|
|
if (get(ns->first,network)) {
|
|
nlohmann::json newrec,selector0;
|
|
selector0["Name"] = networksSelectorName;
|
|
selector0["Ordinal"] = ns->first;
|
|
newrec["Selectors"].push_back(selector0);
|
|
newrec["Value"] = network.dump();
|
|
newrec["OwnerPrivate"] = _lfOwnerPrivate;
|
|
newrec["MaskingKey"] = maskingKey;
|
|
newrec["PulseIfUnchanged"] = true;
|
|
try {
|
|
auto resp = htcli.Post("/makerecord",newrec.dump(),"application/json");
|
|
if (resp) {
|
|
if (resp->status == 200) {
|
|
ns->second.dirty = false;
|
|
//printf("SET network %.16llx %s\n",ns->first,resp->body.c_str());
|
|
} else {
|
|
fprintf(stderr,"ERROR: LFDB: %d from node (create/update network): %s" ZT_EOL_S,resp->status,resp->body.c_str());
|
|
}
|
|
} else {
|
|
fprintf(stderr,"ERROR: LFDB: node is offline" ZT_EOL_S);
|
|
}
|
|
} catch (std::exception &e) {
|
|
fprintf(stderr,"ERROR: LFDB: unexpected exception querying node (create/update network): %s" ZT_EOL_S,e.what());
|
|
} catch ( ... ) {
|
|
fprintf(stderr,"ERROR: LFDB: unexpected exception querying node (create/update network): unknown exception" ZT_EOL_S);
|
|
}
|
|
}
|
|
}
|
|
|
|
for(auto ms=ns->second.members.begin();ms!=ns->second.members.end();++ms) {
|
|
if ((_storeOnlineState)&&(ms->second.lastOnlineDirty)&&(ms->second.lastOnlineAddress)) {
|
|
nlohmann::json newrec,selector0,selector1,selectors,ip;
|
|
char tmp[1024],tmp2[128];
|
|
OSUtils::ztsnprintf(tmp,sizeof(tmp),"com.zerotier.controller.lfdb:%s/network/%.16llx/online",controllerAddress,(unsigned long long)ns->first);
|
|
ms->second.lastOnlineAddress.toIpString(tmp2);
|
|
selector0["Name"] = tmp;
|
|
selector0["Ordinal"] = ms->first;
|
|
selector1["Name"] = tmp2;
|
|
selector1["Ordinal"] = 0;
|
|
selectors.push_back(selector0);
|
|
selectors.push_back(selector1);
|
|
newrec["Selectors"] = selectors;
|
|
const uint8_t *const rawip = (const uint8_t *)ms->second.lastOnlineAddress.rawIpData();
|
|
switch(ms->second.lastOnlineAddress.ss_family) {
|
|
case AF_INET:
|
|
for(int j=0;j<4;++j)
|
|
ip.push_back((unsigned int)rawip[j]);
|
|
break;
|
|
case AF_INET6:
|
|
for(int j=0;j<16;++j)
|
|
ip.push_back((unsigned int)rawip[j]);
|
|
break;
|
|
default:
|
|
ip = tmp2; // should never happen since only IP transport is currently supported
|
|
break;
|
|
}
|
|
newrec["Value"] = ip;
|
|
newrec["OwnerPrivate"] = _lfOwnerPrivate;
|
|
newrec["MaskingKey"] = maskingKey;
|
|
newrec["Timestamp"] = ms->second.lastOnlineTime;
|
|
newrec["PulseIfUnchanged"] = true;
|
|
try {
|
|
auto resp = htcli.Post("/makerecord",newrec.dump(),"application/json");
|
|
if (resp) {
|
|
if (resp->status == 200) {
|
|
ms->second.lastOnlineDirty = false;
|
|
//printf("SET member online %.16llx %.10llx %s\n",ns->first,ms->first,resp->body.c_str());
|
|
} else {
|
|
fprintf(stderr,"ERROR: LFDB: %d from node (create/update member online status): %s" ZT_EOL_S,resp->status,resp->body.c_str());
|
|
}
|
|
} else {
|
|
fprintf(stderr,"ERROR: LFDB: node is offline" ZT_EOL_S);
|
|
}
|
|
} catch (std::exception &e) {
|
|
fprintf(stderr,"ERROR: LFDB: unexpected exception querying node (create/update member online status): %s" ZT_EOL_S,e.what());
|
|
} catch ( ... ) {
|
|
fprintf(stderr,"ERROR: LFDB: unexpected exception querying node (create/update member online status): unknown exception" ZT_EOL_S);
|
|
}
|
|
}
|
|
|
|
if (ms->second.dirty) {
|
|
nlohmann::json network,member;
|
|
if (get(ns->first,network,ms->first,member)) {
|
|
nlohmann::json newrec,selector0,selector1,selectors;
|
|
selector0["Name"] = networksSelectorName;
|
|
selector0["Ordinal"] = ns->first;
|
|
selector1["Name"] = "member";
|
|
selector1["Ordinal"] = ms->first;
|
|
selectors.push_back(selector0);
|
|
selectors.push_back(selector1);
|
|
newrec["Selectors"] = selectors;
|
|
newrec["Value"] = member.dump();
|
|
newrec["OwnerPrivate"] = _lfOwnerPrivate;
|
|
newrec["MaskingKey"] = maskingKey;
|
|
newrec["PulseIfUnchanged"] = true;
|
|
try {
|
|
auto resp = htcli.Post("/makerecord",newrec.dump(),"application/json");
|
|
if (resp) {
|
|
if (resp->status == 200) {
|
|
ms->second.dirty = false;
|
|
//printf("SET member %.16llx %.10llx %s\n",ns->first,ms->first,resp->body.c_str());
|
|
} else {
|
|
fprintf(stderr,"ERROR: LFDB: %d from node (create/update member): %s" ZT_EOL_S,resp->status,resp->body.c_str());
|
|
}
|
|
} else {
|
|
fprintf(stderr,"ERROR: LFDB: node is offline" ZT_EOL_S);
|
|
}
|
|
} catch (std::exception &e) {
|
|
fprintf(stderr,"ERROR: LFDB: unexpected exception querying node (create/update member): %s" ZT_EOL_S,e.what());
|
|
} catch ( ... ) {
|
|
fprintf(stderr,"ERROR: LFDB: unexpected exception querying node (create/update member): unknown exception" ZT_EOL_S);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
try {
|
|
std::ostringstream query;
|
|
query <<
|
|
"{"
|
|
"\"Ranges\":[{"
|
|
"\"Name\":\"" << networksSelectorName << "\","
|
|
"\"Range\":[0,18446744073709551615]"
|
|
"}],"
|
|
"\"TimeRange\":[" << timeRangeStart << ",9223372036854775807],"
|
|
"\"MaskingKey\":\"" << maskingKey << "\","
|
|
"\"Owners\":[\"" << _lfOwnerPublic << "\"]"
|
|
"}";
|
|
auto resp = htcli.Post("/query",query.str(),"application/json");
|
|
if (resp) {
|
|
if (resp->status == 200) {
|
|
nlohmann::json results(OSUtils::jsonParse(resp->body));
|
|
if ((results.is_array())&&(results.size() > 0)) {
|
|
for(std::size_t ri=0;ri<results.size();++ri) {
|
|
nlohmann::json &rset = results[ri];
|
|
if ((rset.is_array())&&(rset.size() > 0)) {
|
|
|
|
nlohmann::json &result = rset[0];
|
|
if (result.is_object()) {
|
|
nlohmann::json &record = result["Record"];
|
|
if (record.is_object()) {
|
|
const std::string recordValue = result["Value"];
|
|
//printf("GET network %s\n",recordValue.c_str());
|
|
nlohmann::json network(OSUtils::jsonParse(recordValue));
|
|
if (network.is_object()) {
|
|
const std::string idstr = network["id"];
|
|
const uint64_t id = Utils::hexStrToU64(idstr.c_str());
|
|
if ((id >> 24) == controllerAddressInt) { // sanity check
|
|
|
|
nlohmann::json oldNetwork;
|
|
if ((timeRangeStart > 0)&&(get(id,oldNetwork))) {
|
|
const uint64_t revision = network["revision"];
|
|
const uint64_t prevRevision = oldNetwork["revision"];
|
|
if (prevRevision < revision) {
|
|
_networkChanged(oldNetwork,network,timeRangeStart > 0);
|
|
}
|
|
} else {
|
|
nlohmann::json nullJson;
|
|
_networkChanged(nullJson,network,timeRangeStart > 0);
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
fprintf(stderr,"ERROR: LFDB: %d from node (check for network updates): %s" ZT_EOL_S,resp->status,resp->body.c_str());
|
|
}
|
|
} else {
|
|
fprintf(stderr,"ERROR: LFDB: node is offline" ZT_EOL_S);
|
|
}
|
|
} catch (std::exception &e) {
|
|
fprintf(stderr,"ERROR: LFDB: unexpected exception querying node (check for network updates): %s" ZT_EOL_S,e.what());
|
|
} catch ( ... ) {
|
|
fprintf(stderr,"ERROR: LFDB: unexpected exception querying node (check for network updates): unknown exception" ZT_EOL_S);
|
|
}
|
|
|
|
try {
|
|
std::ostringstream query;
|
|
query <<
|
|
"{"
|
|
"\"Ranges\":[{"
|
|
"\"Name\":\"" << networksSelectorName << "\","
|
|
"\"Range\":[0,18446744073709551615]"
|
|
"},{"
|
|
"\"Name\":\"member\","
|
|
"\"Range\":[0,18446744073709551615]"
|
|
"}],"
|
|
"\"TimeRange\":[" << timeRangeStart << ",9223372036854775807],"
|
|
"\"MaskingKey\":\"" << maskingKey << "\","
|
|
"\"Owners\":[\"" << _lfOwnerPublic << "\"]"
|
|
"}";
|
|
auto resp = htcli.Post("/query",query.str(),"application/json");
|
|
if (resp) {
|
|
if (resp->status == 200) {
|
|
nlohmann::json results(OSUtils::jsonParse(resp->body));
|
|
if ((results.is_array())&&(results.size() > 0)) {
|
|
for(std::size_t ri=0;ri<results.size();++ri) {
|
|
nlohmann::json &rset = results[ri];
|
|
if ((rset.is_array())&&(rset.size() > 0)) {
|
|
|
|
nlohmann::json &result = rset[0];
|
|
if (result.is_object()) {
|
|
nlohmann::json &record = result["Record"];
|
|
if (record.is_object()) {
|
|
const std::string recordValue = result["Value"];
|
|
//printf("GET member %s\n",recordValue.c_str());
|
|
nlohmann::json member(OSUtils::jsonParse(recordValue));
|
|
if (member.is_object()) {
|
|
const std::string nwidstr = member["nwid"];
|
|
const std::string idstr = member["id"];
|
|
const uint64_t nwid = Utils::hexStrToU64(nwidstr.c_str());
|
|
const uint64_t id = Utils::hexStrToU64(idstr.c_str());
|
|
if ((id)&&((nwid >> 24) == controllerAddressInt)) { // sanity check
|
|
|
|
nlohmann::json network,oldMember;
|
|
if ((timeRangeStart > 0)&&(get(nwid,network,id,oldMember))) {
|
|
const uint64_t revision = member["revision"];
|
|
const uint64_t prevRevision = oldMember["revision"];
|
|
if (prevRevision < revision)
|
|
_memberChanged(oldMember,member,timeRangeStart > 0);
|
|
} else if (network.is_object()) {
|
|
nlohmann::json nullJson;
|
|
_memberChanged(nullJson,member,timeRangeStart > 0);
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
fprintf(stderr,"ERROR: LFDB: %d from node (check for member updates): %s" ZT_EOL_S,resp->status,resp->body.c_str());
|
|
}
|
|
} else {
|
|
fprintf(stderr,"ERROR: LFDB: node is offline" ZT_EOL_S);
|
|
}
|
|
} catch (std::exception &e) {
|
|
fprintf(stderr,"ERROR: LFDB: unexpected exception querying node (check for member updates): %s" ZT_EOL_S,e.what());
|
|
} catch ( ... ) {
|
|
fprintf(stderr,"ERROR: LFDB: unexpected exception querying node (check for member updates): unknown exception" ZT_EOL_S);
|
|
}
|
|
|
|
timeRangeStart = time(nullptr) - 120; // start next query 2m before now to avoid losing updates
|
|
_ready.store(true);
|
|
|
|
for(int k=0;k<4;++k) { // 2s delay between queries for remotely modified networks or members
|
|
if (!_running.load())
|
|
return;
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(500));
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
LFDB::~LFDB()
|
|
{
|
|
_running.store(false);
|
|
_syncThread.join();
|
|
}
|
|
|
|
bool LFDB::waitForReady()
|
|
{
|
|
while (!_ready.load()) {
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(500));
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool LFDB::isReady()
|
|
{
|
|
return (_ready.load());
|
|
}
|
|
|
|
bool LFDB::save(nlohmann::json &record,bool notifyListeners)
|
|
{
|
|
bool modified = false;
|
|
const std::string objtype = record["objtype"];
|
|
if (objtype == "network") {
|
|
const uint64_t nwid = OSUtils::jsonIntHex(record["id"],0ULL);
|
|
if (nwid) {
|
|
nlohmann::json old;
|
|
get(nwid,old);
|
|
if ((!old.is_object())||(!_compareRecords(old,record))) {
|
|
record["revision"] = OSUtils::jsonInt(record["revision"],0ULL) + 1ULL;
|
|
_networkChanged(old,record,notifyListeners);
|
|
{
|
|
std::lock_guard<std::mutex> l(_state_l);
|
|
_state[nwid].dirty = true;
|
|
}
|
|
modified = true;
|
|
}
|
|
}
|
|
} else if (objtype == "member") {
|
|
const uint64_t nwid = OSUtils::jsonIntHex(record["nwid"],0ULL);
|
|
const uint64_t id = OSUtils::jsonIntHex(record["id"],0ULL);
|
|
if ((id)&&(nwid)) {
|
|
nlohmann::json network,old;
|
|
get(nwid,network,id,old);
|
|
if ((!old.is_object())||(!_compareRecords(old,record))) {
|
|
record["revision"] = OSUtils::jsonInt(record["revision"],0ULL) + 1ULL;
|
|
_memberChanged(old,record,notifyListeners);
|
|
{
|
|
std::lock_guard<std::mutex> l(_state_l);
|
|
_state[nwid].members[id].dirty = true;
|
|
}
|
|
modified = true;
|
|
}
|
|
}
|
|
}
|
|
return modified;
|
|
}
|
|
|
|
void LFDB::eraseNetwork(const uint64_t networkId)
|
|
{
|
|
// TODO
|
|
}
|
|
|
|
void LFDB::eraseMember(const uint64_t networkId,const uint64_t memberId)
|
|
{
|
|
// TODO
|
|
}
|
|
|
|
void LFDB::nodeIsOnline(const uint64_t networkId,const uint64_t memberId,const InetAddress &physicalAddress)
|
|
{
|
|
std::lock_guard<std::mutex> l(_state_l);
|
|
auto nw = _state.find(networkId);
|
|
if (nw != _state.end()) {
|
|
auto m = nw->second.members.find(memberId);
|
|
if (m != nw->second.members.end()) {
|
|
m->second.lastOnlineTime = OSUtils::now();
|
|
if (physicalAddress)
|
|
m->second.lastOnlineAddress = physicalAddress;
|
|
m->second.lastOnlineDirty = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace ZeroTier
|