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ZeroTierOne/controller/EmbeddedNetworkController.cpp

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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/>.
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#ifndef _WIN32
#include <sys/time.h>
#endif
#include <sys/types.h>
#include <algorithm>
#include <utility>
#include <stdexcept>
#include <map>
#include <thread>
#include <memory>
#include "../include/ZeroTierOne.h"
#include "../node/Constants.hpp"
#include "EmbeddedNetworkController.hpp"
#include "../node/Node.hpp"
#include "../node/Utils.hpp"
#include "../node/CertificateOfMembership.hpp"
#include "../node/NetworkConfig.hpp"
#include "../node/Dictionary.hpp"
#include "../node/InetAddress.hpp"
#include "../node/MAC.hpp"
#include "../node/Address.hpp"
using json = nlohmann::json;
// API version reported via JSON control plane
#define ZT_NETCONF_CONTROLLER_API_VERSION 3
// Number of requests to remember in member history
#define ZT_NETCONF_DB_MEMBER_HISTORY_LENGTH 2
// Min duration between requests for an address/nwid combo to prevent floods
#define ZT_NETCONF_MIN_REQUEST_PERIOD 1000
namespace ZeroTier {
static json _renderRule(ZT_VirtualNetworkRule &rule)
{
char tmp[128];
json r = json::object();
const ZT_VirtualNetworkRuleType rt = (ZT_VirtualNetworkRuleType)(rule.t & 0x3f);
switch(rt) {
case ZT_NETWORK_RULE_ACTION_DROP:
r["type"] = "ACTION_DROP";
break;
case ZT_NETWORK_RULE_ACTION_ACCEPT:
r["type"] = "ACTION_ACCEPT";
break;
case ZT_NETWORK_RULE_ACTION_TEE:
r["type"] = "ACTION_TEE";
r["address"] = Address(rule.v.fwd.address).toString();
r["flags"] = (unsigned int)rule.v.fwd.flags;
r["length"] = (unsigned int)rule.v.fwd.length;
break;
case ZT_NETWORK_RULE_ACTION_WATCH:
r["type"] = "ACTION_WATCH";
r["address"] = Address(rule.v.fwd.address).toString();
r["flags"] = (unsigned int)rule.v.fwd.flags;
r["length"] = (unsigned int)rule.v.fwd.length;
break;
case ZT_NETWORK_RULE_ACTION_REDIRECT:
r["type"] = "ACTION_REDIRECT";
r["address"] = Address(rule.v.fwd.address).toString();
r["flags"] = (unsigned int)rule.v.fwd.flags;
break;
case ZT_NETWORK_RULE_ACTION_BREAK:
r["type"] = "ACTION_BREAK";
break;
default:
break;
}
if (r.size() == 0) {
switch(rt) {
case ZT_NETWORK_RULE_MATCH_SOURCE_ZEROTIER_ADDRESS:
r["type"] = "MATCH_SOURCE_ZEROTIER_ADDRESS";
r["zt"] = Address(rule.v.zt).toString();
break;
case ZT_NETWORK_RULE_MATCH_DEST_ZEROTIER_ADDRESS:
r["type"] = "MATCH_DEST_ZEROTIER_ADDRESS";
r["zt"] = Address(rule.v.zt).toString();
break;
case ZT_NETWORK_RULE_MATCH_VLAN_ID:
r["type"] = "MATCH_VLAN_ID";
r["vlanId"] = (unsigned int)rule.v.vlanId;
break;
case ZT_NETWORK_RULE_MATCH_VLAN_PCP:
r["type"] = "MATCH_VLAN_PCP";
r["vlanPcp"] = (unsigned int)rule.v.vlanPcp;
break;
case ZT_NETWORK_RULE_MATCH_VLAN_DEI:
r["type"] = "MATCH_VLAN_DEI";
r["vlanDei"] = (unsigned int)rule.v.vlanDei;
break;
case ZT_NETWORK_RULE_MATCH_MAC_SOURCE:
r["type"] = "MATCH_MAC_SOURCE";
Utils::snprintf(tmp,sizeof(tmp),"%.2x:%.2x:%.2x:%.2x:%.2x:%.2x",(unsigned int)rule.v.mac[0],(unsigned int)rule.v.mac[1],(unsigned int)rule.v.mac[2],(unsigned int)rule.v.mac[3],(unsigned int)rule.v.mac[4],(unsigned int)rule.v.mac[5]);
r["mac"] = tmp;
break;
case ZT_NETWORK_RULE_MATCH_MAC_DEST:
r["type"] = "MATCH_MAC_DEST";
Utils::snprintf(tmp,sizeof(tmp),"%.2x:%.2x:%.2x:%.2x:%.2x:%.2x",(unsigned int)rule.v.mac[0],(unsigned int)rule.v.mac[1],(unsigned int)rule.v.mac[2],(unsigned int)rule.v.mac[3],(unsigned int)rule.v.mac[4],(unsigned int)rule.v.mac[5]);
r["mac"] = tmp;
break;
case ZT_NETWORK_RULE_MATCH_IPV4_SOURCE:
r["type"] = "MATCH_IPV4_SOURCE";
r["ip"] = InetAddress(&(rule.v.ipv4.ip),4,(unsigned int)rule.v.ipv4.mask).toString();
break;
case ZT_NETWORK_RULE_MATCH_IPV4_DEST:
r["type"] = "MATCH_IPV4_DEST";
r["ip"] = InetAddress(&(rule.v.ipv4.ip),4,(unsigned int)rule.v.ipv4.mask).toString();
break;
case ZT_NETWORK_RULE_MATCH_IPV6_SOURCE:
r["type"] = "MATCH_IPV6_SOURCE";
r["ip"] = InetAddress(rule.v.ipv6.ip,16,(unsigned int)rule.v.ipv6.mask).toString();
break;
case ZT_NETWORK_RULE_MATCH_IPV6_DEST:
r["type"] = "MATCH_IPV6_DEST";
r["ip"] = InetAddress(rule.v.ipv6.ip,16,(unsigned int)rule.v.ipv6.mask).toString();
break;
case ZT_NETWORK_RULE_MATCH_IP_TOS:
r["type"] = "MATCH_IP_TOS";
r["mask"] = (unsigned int)rule.v.ipTos.mask;
r["start"] = (unsigned int)rule.v.ipTos.value[0];
r["end"] = (unsigned int)rule.v.ipTos.value[1];
break;
case ZT_NETWORK_RULE_MATCH_IP_PROTOCOL:
r["type"] = "MATCH_IP_PROTOCOL";
r["ipProtocol"] = (unsigned int)rule.v.ipProtocol;
break;
case ZT_NETWORK_RULE_MATCH_ETHERTYPE:
r["type"] = "MATCH_ETHERTYPE";
r["etherType"] = (unsigned int)rule.v.etherType;
break;
case ZT_NETWORK_RULE_MATCH_ICMP:
r["type"] = "MATCH_ICMP";
r["icmpType"] = (unsigned int)rule.v.icmp.type;
if ((rule.v.icmp.flags & 0x01) != 0)
r["icmpCode"] = (unsigned int)rule.v.icmp.code;
else r["icmpCode"] = json();
break;
case ZT_NETWORK_RULE_MATCH_IP_SOURCE_PORT_RANGE:
r["type"] = "MATCH_IP_SOURCE_PORT_RANGE";
r["start"] = (unsigned int)rule.v.port[0];
r["end"] = (unsigned int)rule.v.port[1];
break;
case ZT_NETWORK_RULE_MATCH_IP_DEST_PORT_RANGE:
r["type"] = "MATCH_IP_DEST_PORT_RANGE";
r["start"] = (unsigned int)rule.v.port[0];
r["end"] = (unsigned int)rule.v.port[1];
break;
case ZT_NETWORK_RULE_MATCH_CHARACTERISTICS:
r["type"] = "MATCH_CHARACTERISTICS";
Utils::snprintf(tmp,sizeof(tmp),"%.16llx",rule.v.characteristics);
r["mask"] = tmp;
break;
case ZT_NETWORK_RULE_MATCH_FRAME_SIZE_RANGE:
r["type"] = "MATCH_FRAME_SIZE_RANGE";
r["start"] = (unsigned int)rule.v.frameSize[0];
r["end"] = (unsigned int)rule.v.frameSize[1];
break;
case ZT_NETWORK_RULE_MATCH_RANDOM:
r["type"] = "MATCH_RANDOM";
r["probability"] = (unsigned long)rule.v.randomProbability;
break;
case ZT_NETWORK_RULE_MATCH_TAGS_DIFFERENCE:
r["type"] = "MATCH_TAGS_DIFFERENCE";
r["id"] = rule.v.tag.id;
r["value"] = rule.v.tag.value;
break;
case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_AND:
r["type"] = "MATCH_TAGS_BITWISE_AND";
r["id"] = rule.v.tag.id;
r["value"] = rule.v.tag.value;
break;
case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_OR:
r["type"] = "MATCH_TAGS_BITWISE_OR";
r["id"] = rule.v.tag.id;
r["value"] = rule.v.tag.value;
break;
case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_XOR:
r["type"] = "MATCH_TAGS_BITWISE_XOR";
r["id"] = rule.v.tag.id;
r["value"] = rule.v.tag.value;
break;
case ZT_NETWORK_RULE_MATCH_TAGS_EQUAL:
r["type"] = "MATCH_TAGS_EQUAL";
r["id"] = rule.v.tag.id;
r["value"] = rule.v.tag.value;
break;
case ZT_NETWORK_RULE_MATCH_TAG_SENDER:
r["type"] = "MATCH_TAG_SENDER";
r["id"] = rule.v.tag.id;
r["value"] = rule.v.tag.value;
break;
case ZT_NETWORK_RULE_MATCH_TAG_RECEIVER:
r["type"] = "MATCH_TAG_RECEIVER";
r["id"] = rule.v.tag.id;
r["value"] = rule.v.tag.value;
break;
default:
break;
}
if (r.size() > 0) {
r["not"] = ((rule.t & 0x80) != 0);
r["or"] = ((rule.t & 0x40) != 0);
}
}
return r;
}
static bool _parseRule(json &r,ZT_VirtualNetworkRule &rule)
{
if (!r.is_object())
return false;
const std::string t(OSUtils::jsonString(r["type"],""));
memset(&rule,0,sizeof(ZT_VirtualNetworkRule));
if (OSUtils::jsonBool(r["not"],false))
rule.t = 0x80;
else rule.t = 0x00;
if (OSUtils::jsonBool(r["or"],false))
rule.t |= 0x40;
bool tag = false;
if (t == "ACTION_DROP") {
rule.t |= ZT_NETWORK_RULE_ACTION_DROP;
return true;
} else if (t == "ACTION_ACCEPT") {
rule.t |= ZT_NETWORK_RULE_ACTION_ACCEPT;
return true;
} else if (t == "ACTION_TEE") {
rule.t |= ZT_NETWORK_RULE_ACTION_TEE;
rule.v.fwd.address = Utils::hexStrToU64(OSUtils::jsonString(r["address"],"0").c_str()) & 0xffffffffffULL;
rule.v.fwd.flags = (uint32_t)(OSUtils::jsonInt(r["flags"],0ULL) & 0xffffffffULL);
rule.v.fwd.length = (uint16_t)(OSUtils::jsonInt(r["length"],0ULL) & 0xffffULL);
return true;
} else if (t == "ACTION_WATCH") {
rule.t |= ZT_NETWORK_RULE_ACTION_WATCH;
rule.v.fwd.address = Utils::hexStrToU64(OSUtils::jsonString(r["address"],"0").c_str()) & 0xffffffffffULL;
rule.v.fwd.flags = (uint32_t)(OSUtils::jsonInt(r["flags"],0ULL) & 0xffffffffULL);
rule.v.fwd.length = (uint16_t)(OSUtils::jsonInt(r["length"],0ULL) & 0xffffULL);
return true;
} else if (t == "ACTION_REDIRECT") {
rule.t |= ZT_NETWORK_RULE_ACTION_REDIRECT;
rule.v.fwd.address = Utils::hexStrToU64(OSUtils::jsonString(r["address"],"0").c_str()) & 0xffffffffffULL;
rule.v.fwd.flags = (uint32_t)(OSUtils::jsonInt(r["flags"],0ULL) & 0xffffffffULL);
return true;
} else if (t == "ACTION_BREAK") {
rule.t |= ZT_NETWORK_RULE_ACTION_BREAK;
return true;
} else if (t == "MATCH_SOURCE_ZEROTIER_ADDRESS") {
rule.t |= ZT_NETWORK_RULE_MATCH_SOURCE_ZEROTIER_ADDRESS;
rule.v.zt = Utils::hexStrToU64(OSUtils::jsonString(r["zt"],"0").c_str()) & 0xffffffffffULL;
return true;
} else if (t == "MATCH_DEST_ZEROTIER_ADDRESS") {
rule.t |= ZT_NETWORK_RULE_MATCH_DEST_ZEROTIER_ADDRESS;
rule.v.zt = Utils::hexStrToU64(OSUtils::jsonString(r["zt"],"0").c_str()) & 0xffffffffffULL;
return true;
} else if (t == "MATCH_VLAN_ID") {
rule.t |= ZT_NETWORK_RULE_MATCH_VLAN_ID;
rule.v.vlanId = (uint16_t)(OSUtils::jsonInt(r["vlanId"],0ULL) & 0xffffULL);
return true;
} else if (t == "MATCH_VLAN_PCP") {
rule.t |= ZT_NETWORK_RULE_MATCH_VLAN_PCP;
rule.v.vlanPcp = (uint8_t)(OSUtils::jsonInt(r["vlanPcp"],0ULL) & 0xffULL);
return true;
} else if (t == "MATCH_VLAN_DEI") {
rule.t |= ZT_NETWORK_RULE_MATCH_VLAN_DEI;
rule.v.vlanDei = (uint8_t)(OSUtils::jsonInt(r["vlanDei"],0ULL) & 0xffULL);
return true;
} else if (t == "MATCH_MAC_SOURCE") {
rule.t |= ZT_NETWORK_RULE_MATCH_MAC_SOURCE;
const std::string mac(OSUtils::jsonString(r["mac"],"0"));
Utils::unhex(mac.c_str(),(unsigned int)mac.length(),rule.v.mac,6);
return true;
} else if (t == "MATCH_MAC_DEST") {
rule.t |= ZT_NETWORK_RULE_MATCH_MAC_DEST;
const std::string mac(OSUtils::jsonString(r["mac"],"0"));
Utils::unhex(mac.c_str(),(unsigned int)mac.length(),rule.v.mac,6);
return true;
} else if (t == "MATCH_IPV4_SOURCE") {
rule.t |= ZT_NETWORK_RULE_MATCH_IPV4_SOURCE;
InetAddress ip(OSUtils::jsonString(r["ip"],"0.0.0.0"));
rule.v.ipv4.ip = reinterpret_cast<struct sockaddr_in *>(&ip)->sin_addr.s_addr;
rule.v.ipv4.mask = Utils::ntoh(reinterpret_cast<struct sockaddr_in *>(&ip)->sin_port) & 0xff;
if (rule.v.ipv4.mask > 32) rule.v.ipv4.mask = 32;
return true;
} else if (t == "MATCH_IPV4_DEST") {
rule.t |= ZT_NETWORK_RULE_MATCH_IPV4_DEST;
InetAddress ip(OSUtils::jsonString(r["ip"],"0.0.0.0"));
rule.v.ipv4.ip = reinterpret_cast<struct sockaddr_in *>(&ip)->sin_addr.s_addr;
rule.v.ipv4.mask = Utils::ntoh(reinterpret_cast<struct sockaddr_in *>(&ip)->sin_port) & 0xff;
if (rule.v.ipv4.mask > 32) rule.v.ipv4.mask = 32;
return true;
} else if (t == "MATCH_IPV6_SOURCE") {
rule.t |= ZT_NETWORK_RULE_MATCH_IPV6_SOURCE;
InetAddress ip(OSUtils::jsonString(r["ip"],"::0"));
memcpy(rule.v.ipv6.ip,reinterpret_cast<struct sockaddr_in6 *>(&ip)->sin6_addr.s6_addr,16);
rule.v.ipv6.mask = Utils::ntoh(reinterpret_cast<struct sockaddr_in6 *>(&ip)->sin6_port) & 0xff;
if (rule.v.ipv6.mask > 128) rule.v.ipv6.mask = 128;
return true;
} else if (t == "MATCH_IPV6_DEST") {
rule.t |= ZT_NETWORK_RULE_MATCH_IPV6_DEST;
InetAddress ip(OSUtils::jsonString(r["ip"],"::0"));
memcpy(rule.v.ipv6.ip,reinterpret_cast<struct sockaddr_in6 *>(&ip)->sin6_addr.s6_addr,16);
rule.v.ipv6.mask = Utils::ntoh(reinterpret_cast<struct sockaddr_in6 *>(&ip)->sin6_port) & 0xff;
if (rule.v.ipv6.mask > 128) rule.v.ipv6.mask = 128;
return true;
} else if (t == "MATCH_IP_TOS") {
rule.t |= ZT_NETWORK_RULE_MATCH_IP_TOS;
rule.v.ipTos.mask = (uint8_t)(OSUtils::jsonInt(r["mask"],0ULL) & 0xffULL);
rule.v.ipTos.value[0] = (uint8_t)(OSUtils::jsonInt(r["start"],0ULL) & 0xffULL);
rule.v.ipTos.value[1] = (uint8_t)(OSUtils::jsonInt(r["end"],0ULL) & 0xffULL);
return true;
} else if (t == "MATCH_IP_PROTOCOL") {
rule.t |= ZT_NETWORK_RULE_MATCH_IP_PROTOCOL;
rule.v.ipProtocol = (uint8_t)(OSUtils::jsonInt(r["ipProtocol"],0ULL) & 0xffULL);
return true;
} else if (t == "MATCH_ETHERTYPE") {
rule.t |= ZT_NETWORK_RULE_MATCH_ETHERTYPE;
rule.v.etherType = (uint16_t)(OSUtils::jsonInt(r["etherType"],0ULL) & 0xffffULL);
return true;
} else if (t == "MATCH_ICMP") {
rule.t |= ZT_NETWORK_RULE_MATCH_ICMP;
rule.v.icmp.type = (uint8_t)(OSUtils::jsonInt(r["icmpType"],0ULL) & 0xffULL);
json &code = r["icmpCode"];
if (code.is_null()) {
rule.v.icmp.code = 0;
rule.v.icmp.flags = 0x00;
} else {
rule.v.icmp.code = (uint8_t)(OSUtils::jsonInt(code,0ULL) & 0xffULL);
rule.v.icmp.flags = 0x01;
}
return true;
} else if (t == "MATCH_IP_SOURCE_PORT_RANGE") {
rule.t |= ZT_NETWORK_RULE_MATCH_IP_SOURCE_PORT_RANGE;
rule.v.port[0] = (uint16_t)(OSUtils::jsonInt(r["start"],0ULL) & 0xffffULL);
rule.v.port[1] = (uint16_t)(OSUtils::jsonInt(r["end"],(uint64_t)rule.v.port[0]) & 0xffffULL);
return true;
} else if (t == "MATCH_IP_DEST_PORT_RANGE") {
rule.t |= ZT_NETWORK_RULE_MATCH_IP_DEST_PORT_RANGE;
rule.v.port[0] = (uint16_t)(OSUtils::jsonInt(r["start"],0ULL) & 0xffffULL);
rule.v.port[1] = (uint16_t)(OSUtils::jsonInt(r["end"],(uint64_t)rule.v.port[0]) & 0xffffULL);
return true;
} else if (t == "MATCH_CHARACTERISTICS") {
rule.t |= ZT_NETWORK_RULE_MATCH_CHARACTERISTICS;
if (r.count("mask")) {
json &v = r["mask"];
if (v.is_number()) {
rule.v.characteristics = v;
} else {
std::string tmp = v;
rule.v.characteristics = Utils::hexStrToU64(tmp.c_str());
}
}
return true;
} else if (t == "MATCH_FRAME_SIZE_RANGE") {
rule.t |= ZT_NETWORK_RULE_MATCH_FRAME_SIZE_RANGE;
rule.v.frameSize[0] = (uint16_t)(OSUtils::jsonInt(r["start"],0ULL) & 0xffffULL);
rule.v.frameSize[1] = (uint16_t)(OSUtils::jsonInt(r["end"],(uint64_t)rule.v.frameSize[0]) & 0xffffULL);
return true;
} else if (t == "MATCH_RANDOM") {
rule.t |= ZT_NETWORK_RULE_MATCH_RANDOM;
rule.v.randomProbability = (uint32_t)(OSUtils::jsonInt(r["probability"],0ULL) & 0xffffffffULL);
return true;
} else if (t == "MATCH_TAGS_DIFFERENCE") {
rule.t |= ZT_NETWORK_RULE_MATCH_TAGS_DIFFERENCE;
tag = true;
} else if (t == "MATCH_TAGS_BITWISE_AND") {
rule.t |= ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_AND;
tag = true;
} else if (t == "MATCH_TAGS_BITWISE_OR") {
rule.t |= ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_OR;
tag = true;
} else if (t == "MATCH_TAGS_BITWISE_XOR") {
rule.t |= ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_XOR;
tag = true;
} else if (t == "MATCH_TAGS_EQUAL") {
rule.t |= ZT_NETWORK_RULE_MATCH_TAGS_EQUAL;
tag = true;
} else if (t == "MATCH_TAG_SENDER") {
rule.t |= ZT_NETWORK_RULE_MATCH_TAG_SENDER;
tag = true;
} else if (t == "MATCH_TAG_RECEIVER") {
rule.t |= ZT_NETWORK_RULE_MATCH_TAG_RECEIVER;
tag = true;
}
if (tag) {
rule.v.tag.id = (uint32_t)(OSUtils::jsonInt(r["id"],0ULL) & 0xffffffffULL);
rule.v.tag.value = (uint32_t)(OSUtils::jsonInt(r["value"],0ULL) & 0xffffffffULL);
return true;
}
return false;
}
EmbeddedNetworkController::EmbeddedNetworkController(Node *node,const char *dbPath) :
_startTime(OSUtils::now()),
_running(true),
_db(dbPath),
_node(node)
{
}
EmbeddedNetworkController::~EmbeddedNetworkController()
{
_running = false;
std::vector<Thread> t;
{
Mutex::Lock _l(_threads_m);
t = _threads;
}
if (t.size() > 0) {
for(unsigned long i=0,j=(unsigned long)(t.size() * 4);i<j;++i)
_queue.post((_RQEntry *)0);
/*
for(std::vector<Thread>::iterator i(t.begin());i!=t.end();++i)
Thread::join(*i);
*/
}
}
void EmbeddedNetworkController::init(const Identity &signingId,Sender *sender)
{
this->_sender = sender;
this->_signingId = signingId;
}
void EmbeddedNetworkController::request(
uint64_t nwid,
const InetAddress &fromAddr,
uint64_t requestPacketId,
const Identity &identity,
const Dictionary<ZT_NETWORKCONFIG_METADATA_DICT_CAPACITY> &metaData)
{
if (((!_signingId)||(!_signingId.hasPrivate()))||(_signingId.address().toInt() != (nwid >> 24))||(!_sender))
return;
{
Mutex::Lock _l(_threads_m);
if (_threads.size() == 0) {
long hwc = (long)(std::thread::hardware_concurrency() / 2);
if (hwc < 1)
hwc = 1;
else if (hwc > 16)
hwc = 16;
for(long i=0;i<hwc;++i)
_threads.push_back(Thread::start(this));
}
}
_RQEntry *qe = new _RQEntry;
qe->nwid = nwid;
qe->requestPacketId = requestPacketId;
qe->fromAddr = fromAddr;
qe->identity = identity;
qe->metaData = metaData;
_queue.post(qe);
}
unsigned int EmbeddedNetworkController::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)
{
if ((path.size() > 0)&&(path[0] == "network")) {
if ((path.size() >= 2)&&(path[1].length() == 16)) {
const uint64_t nwid = Utils::hexStrToU64(path[1].c_str());
char nwids[24];
Utils::snprintf(nwids,sizeof(nwids),"%.16llx",(unsigned long long)nwid);
json network;
if (!_db.getNetwork(nwid,network))
return 404;
if (path.size() >= 3) {
if (path[2] == "member") {
if (path.size() >= 4) {
const uint64_t address = Utils::hexStrToU64(path[3].c_str());
json member;
if (!_db.getNetworkMember(nwid,address,member))
return 404;
_addMemberNonPersistedFields(nwid,address,member,OSUtils::now());
responseBody = OSUtils::jsonDump(member);
responseContentType = "application/json";
} else {
responseBody = "{";
_db.eachMember(nwid,[&responseBody](uint64_t networkId,uint64_t nodeId,const json &member) {
if ((member.is_object())&&(member.size() > 0)) {
responseBody.append((responseBody.length() == 1) ? "\"" : ",\"");
responseBody.append(OSUtils::jsonString(member["id"],"0"));
responseBody.append("\":");
responseBody.append(OSUtils::jsonString(member["revision"],"0"));
}
});
responseBody.push_back('}');
responseContentType = "application/json";
}
return 200;
} // else 404
} else {
const uint64_t now = OSUtils::now();
JSONDB::NetworkSummaryInfo ns;
_db.getNetworkSummaryInfo(nwid,ns);
_addNetworkNonPersistedFields(network,now,ns);
responseBody = OSUtils::jsonDump(network);
responseContentType = "application/json";
return 200;
}
} else if (path.size() == 1) {
std::vector<uint64_t> networkIds(_db.networkIds());
std::sort(networkIds.begin(),networkIds.end());
char tmp[64];
responseBody.push_back('[');
for(std::vector<uint64_t>::const_iterator i(networkIds.begin());i!=networkIds.end();++i) {
if (responseBody.length() > 1)
responseBody.push_back(',');
Utils::snprintf(tmp,sizeof(tmp),"\"%.16llx\"",(unsigned long long)*i);
responseBody.append(tmp);
}
responseBody.push_back(']');
responseContentType = "application/json";
return 200;
} // else 404
} else {
char tmp[4096];
Utils::snprintf(tmp,sizeof(tmp),"{\n\t\"controller\": true,\n\t\"apiVersion\": %d,\n\t\"clock\": %llu\n}\n",ZT_NETCONF_CONTROLLER_API_VERSION,(unsigned long long)OSUtils::now());
responseBody = tmp;
responseContentType = "application/json";
return 200;
}
return 404;
}
unsigned int EmbeddedNetworkController::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)
{
if (path.empty())
return 404;
json b;
try {
b = OSUtils::jsonParse(body);
if (!b.is_object()) {
responseBody = "{ \"message\": \"body is not a JSON object\" }";
responseContentType = "application/json";
return 400;
}
} catch ( ... ) {
responseBody = "{ \"message\": \"body JSON is invalid\" }";
responseContentType = "application/json";
return 400;
}
const uint64_t now = OSUtils::now();
if (path[0] == "network") {
if ((path.size() >= 2)&&(path[1].length() == 16)) {
uint64_t nwid = Utils::hexStrToU64(path[1].c_str());
char nwids[24];
Utils::snprintf(nwids,sizeof(nwids),"%.16llx",(unsigned long long)nwid);
if (path.size() >= 3) {
if ((path.size() == 4)&&(path[2] == "member")&&(path[3].length() == 10)) {
uint64_t address = Utils::hexStrToU64(path[3].c_str());
char addrs[24];
Utils::snprintf(addrs,sizeof(addrs),"%.10llx",(unsigned long long)address);
json member;
_db.getNetworkMember(nwid,address,member);
json origMember(member); // for detecting changes
_initMember(member);
try {
if (b.count("activeBridge")) member["activeBridge"] = OSUtils::jsonBool(b["activeBridge"],false);
if (b.count("noAutoAssignIps")) member["noAutoAssignIps"] = OSUtils::jsonBool(b["noAutoAssignIps"],false);
if (b.count("authorized")) {
const bool newAuth = OSUtils::jsonBool(b["authorized"],false);
if (newAuth != OSUtils::jsonBool(member["authorized"],false)) {
member["authorized"] = newAuth;
member[((newAuth) ? "lastAuthorizedTime" : "lastDeauthorizedTime")] = now;
json ah;
ah["a"] = newAuth;
ah["by"] = "api";
ah["ts"] = now;
ah["ct"] = json();
ah["c"] = json();
member["authHistory"].push_back(ah);
// Member is being de-authorized, so spray Revocation objects to all online members
if (!newAuth) {
Revocation rev((uint32_t)_node->prng(),nwid,0,now,ZT_REVOCATION_FLAG_FAST_PROPAGATE,Address(address),Revocation::CREDENTIAL_TYPE_COM);
rev.sign(_signingId);
Mutex::Lock _l(_memberStatus_m);
for(auto i=_memberStatus.begin();i!=_memberStatus.end();++i) {
if ((i->first.networkId == nwid)&&(i->second.online(now)))
_node->ncSendRevocation(Address(i->first.nodeId),rev);
}
}
}
}
if (b.count("ipAssignments")) {
json &ipa = b["ipAssignments"];
if (ipa.is_array()) {
json mipa(json::array());
for(unsigned long i=0;i<ipa.size();++i) {
std::string ips = ipa[i];
InetAddress ip(ips);
if ((ip.ss_family == AF_INET)||(ip.ss_family == AF_INET6)) {
mipa.push_back(ip.toIpString());
}
}
member["ipAssignments"] = mipa;
}
}
if (b.count("tags")) {
json &tags = b["tags"];
if (tags.is_array()) {
std::map<uint64_t,uint64_t> mtags;
for(unsigned long i=0;i<tags.size();++i) {
json &tag = tags[i];
if ((tag.is_array())&&(tag.size() == 2))
mtags[OSUtils::jsonInt(tag[0],0ULL) & 0xffffffffULL] = OSUtils::jsonInt(tag[1],0ULL) & 0xffffffffULL;
}
json mtagsa = json::array();
for(std::map<uint64_t,uint64_t>::iterator t(mtags.begin());t!=mtags.end();++t) {
json ta = json::array();
ta.push_back(t->first);
ta.push_back(t->second);
mtagsa.push_back(ta);
}
member["tags"] = mtagsa;
}
}
if (b.count("capabilities")) {
json &capabilities = b["capabilities"];
if (capabilities.is_array()) {
json mcaps = json::array();
for(unsigned long i=0;i<capabilities.size();++i) {
mcaps.push_back(OSUtils::jsonInt(capabilities[i],0ULL));
}
std::sort(mcaps.begin(),mcaps.end());
mcaps.erase(std::unique(mcaps.begin(),mcaps.end()),mcaps.end());
member["capabilities"] = mcaps;
}
}
} catch ( ... ) {
responseBody = "{ \"message\": \"exception while processing parameters in JSON body\" }";
responseContentType = "application/json";
return 400;
}
member["id"] = addrs;
member["address"] = addrs; // legacy
member["nwid"] = nwids;
_removeMemberNonPersistedFields(member);
if (member != origMember) {
json &revj = member["revision"];
member["revision"] = (revj.is_number() ? ((uint64_t)revj + 1ULL) : 1ULL);
_db.saveNetworkMember(nwid,address,member);
// Push update to member if online
try {
Mutex::Lock _l(_memberStatus_m);
_MemberStatus &ms = _memberStatus[_MemberStatusKey(nwid,address)];
if ((ms.online(now))&&(ms.lastRequestMetaData))
request(nwid,InetAddress(),0,ms.identity,ms.lastRequestMetaData);
} catch ( ... ) {}
}
_addMemberNonPersistedFields(nwid,address,member,now);
responseBody = OSUtils::jsonDump(member);
responseContentType = "application/json";
return 200;
} else if ((path.size() == 3)&&(path[2] == "test")) {
Mutex::Lock _l(_tests_m);
_tests.push_back(ZT_CircuitTest());
ZT_CircuitTest *const test = &(_tests.back());
memset(test,0,sizeof(ZT_CircuitTest));
Utils::getSecureRandom(&(test->testId),sizeof(test->testId));
test->credentialNetworkId = nwid;
test->ptr = (void *)this;
json hops = b["hops"];
if (hops.is_array()) {
for(unsigned long i=0;i<hops.size();++i) {
json &hops2 = hops[i];
if (hops2.is_array()) {
for(unsigned long j=0;j<hops2.size();++j) {
std::string s = hops2[j];
test->hops[test->hopCount].addresses[test->hops[test->hopCount].breadth++] = Utils::hexStrToU64(s.c_str()) & 0xffffffffffULL;
}
++test->hopCount;
} else if (hops2.is_string()) {
std::string s = hops2;
test->hops[test->hopCount].addresses[test->hops[test->hopCount].breadth++] = Utils::hexStrToU64(s.c_str()) & 0xffffffffffULL;
++test->hopCount;
}
}
}
test->reportAtEveryHop = (OSUtils::jsonBool(b["reportAtEveryHop"],true) ? 1 : 0);
if (!test->hopCount) {
_tests.pop_back();
responseBody = "{ \"message\": \"a test must contain at least one hop\" }";
responseContentType = "application/json";
return 400;
}
test->timestamp = OSUtils::now();
if (_node) {
_node->circuitTestBegin((void *)0,test,&(EmbeddedNetworkController::_circuitTestCallback));
} else {
_tests.pop_back();
return 500;
}
char json[512];
Utils::snprintf(json,sizeof(json),"{\"testId\":\"%.16llx\",\"timestamp\":%llu}",test->testId,test->timestamp);
responseBody = json;
responseContentType = "application/json";
return 200;
} // else 404
} else {
// POST to network ID
// Magic ID ending with ______ picks a random unused network ID
if (path[1].substr(10) == "______") {
nwid = 0;
uint64_t nwidPrefix = (Utils::hexStrToU64(path[1].substr(0,10).c_str()) << 24) & 0xffffffffff000000ULL;
uint64_t nwidPostfix = 0;
for(unsigned long k=0;k<100000;++k) { // sanity limit on trials
Utils::getSecureRandom(&nwidPostfix,sizeof(nwidPostfix));
uint64_t tryNwid = nwidPrefix | (nwidPostfix & 0xffffffULL);
if ((tryNwid & 0xffffffULL) == 0ULL) tryNwid |= 1ULL;
if (!_db.hasNetwork(tryNwid)) {
nwid = tryNwid;
break;
}
}
if (!nwid)
return 503;
}
Utils::snprintf(nwids,sizeof(nwids),"%.16llx",(unsigned long long)nwid);
json network;
_db.getNetwork(nwid,network);
json origNetwork(network); // for detecting changes
_initNetwork(network);
try {
if (b.count("name")) network["name"] = OSUtils::jsonString(b["name"],"");
if (b.count("private")) network["private"] = OSUtils::jsonBool(b["private"],true);
if (b.count("enableBroadcast")) network["enableBroadcast"] = OSUtils::jsonBool(b["enableBroadcast"],false);
if (b.count("allowPassiveBridging")) network["allowPassiveBridging"] = OSUtils::jsonBool(b["allowPassiveBridging"],false);
if (b.count("multicastLimit")) network["multicastLimit"] = OSUtils::jsonInt(b["multicastLimit"],32ULL);
if (b.count("v4AssignMode")) {
json nv4m;
json &v4m = b["v4AssignMode"];
if (v4m.is_string()) { // backward compatibility
nv4m["zt"] = (OSUtils::jsonString(v4m,"") == "zt");
} else if (v4m.is_object()) {
nv4m["zt"] = OSUtils::jsonBool(v4m["zt"],false);
} else nv4m["zt"] = false;
network["v4AssignMode"] = nv4m;
}
if (b.count("v6AssignMode")) {
json nv6m;
json &v6m = b["v6AssignMode"];
if (!nv6m.is_object()) nv6m = json::object();
if (v6m.is_string()) { // backward compatibility
std::vector<std::string> v6ms(OSUtils::split(OSUtils::jsonString(v6m,"").c_str(),",","",""));
std::sort(v6ms.begin(),v6ms.end());
v6ms.erase(std::unique(v6ms.begin(),v6ms.end()),v6ms.end());
nv6m["rfc4193"] = false;
nv6m["zt"] = false;
nv6m["6plane"] = false;
for(std::vector<std::string>::iterator i(v6ms.begin());i!=v6ms.end();++i) {
if (*i == "rfc4193")
nv6m["rfc4193"] = true;
else if (*i == "zt")
nv6m["zt"] = true;
else if (*i == "6plane")
nv6m["6plane"] = true;
}
} else if (v6m.is_object()) {
if (v6m.count("rfc4193")) nv6m["rfc4193"] = OSUtils::jsonBool(v6m["rfc4193"],false);
if (v6m.count("zt")) nv6m["zt"] = OSUtils::jsonBool(v6m["zt"],false);
if (v6m.count("6plane")) nv6m["6plane"] = OSUtils::jsonBool(v6m["6plane"],false);
} else {
nv6m["rfc4193"] = false;
nv6m["zt"] = false;
nv6m["6plane"] = false;
}
network["v6AssignMode"] = nv6m;
}
if (b.count("routes")) {
json &rts = b["routes"];
if (rts.is_array()) {
json nrts = json::array();
for(unsigned long i=0;i<rts.size();++i) {
json &rt = rts[i];
if (rt.is_object()) {
json &target = rt["target"];
json &via = rt["via"];
if (target.is_string()) {
InetAddress t(target.get<std::string>());
InetAddress v;
if (via.is_string()) v.fromString(via.get<std::string>());
if ( ((t.ss_family == AF_INET)||(t.ss_family == AF_INET6)) && (t.netmaskBitsValid()) ) {
json tmp;
tmp["target"] = t.toString();
if (v.ss_family == t.ss_family)
tmp["via"] = v.toIpString();
else tmp["via"] = json();
nrts.push_back(tmp);
}
}
}
}
network["routes"] = nrts;
}
}
if (b.count("ipAssignmentPools")) {
json &ipp = b["ipAssignmentPools"];
if (ipp.is_array()) {
json nipp = json::array();
for(unsigned long i=0;i<ipp.size();++i) {
json &ip = ipp[i];
if ((ip.is_object())&&(ip.count("ipRangeStart"))&&(ip.count("ipRangeEnd"))) {
InetAddress f(OSUtils::jsonString(ip["ipRangeStart"],""));
InetAddress t(OSUtils::jsonString(ip["ipRangeEnd"],""));
if ( ((f.ss_family == AF_INET)||(f.ss_family == AF_INET6)) && (f.ss_family == t.ss_family) ) {
json tmp = json::object();
tmp["ipRangeStart"] = f.toIpString();
tmp["ipRangeEnd"] = t.toIpString();
nipp.push_back(tmp);
}
}
}
network["ipAssignmentPools"] = nipp;
}
}
if (b.count("rules")) {
json &rules = b["rules"];
if (rules.is_array()) {
json nrules = json::array();
for(unsigned long i=0;i<rules.size();++i) {
json &rule = rules[i];
if (rule.is_object()) {
ZT_VirtualNetworkRule ztr;
if (_parseRule(rule,ztr))
nrules.push_back(_renderRule(ztr));
}
}
network["rules"] = nrules;
}
}
if (b.count("authTokens")) {
json &authTokens = b["authTokens"];
if (authTokens.is_array()) {
json nat = json::array();
for(unsigned long i=0;i<authTokens.size();++i) {
json &token = authTokens[i];
if (token.is_object()) {
std::string tstr = token["token"];
if (tstr.length() > 0) {
json t = json::object();
t["token"] = tstr;
t["expires"] = OSUtils::jsonInt(token["expires"],0ULL);
t["maxUsesPerMember"] = OSUtils::jsonInt(token["maxUsesPerMember"],0ULL);
nat.push_back(t);
}
}
}
network["authTokens"] = nat;
}
}
if (b.count("capabilities")) {
json &capabilities = b["capabilities"];
if (capabilities.is_array()) {
std::map< uint64_t,json > ncaps;
for(unsigned long i=0;i<capabilities.size();++i) {
json &cap = capabilities[i];
if (cap.is_object()) {
json ncap = json::object();
const uint64_t capId = OSUtils::jsonInt(cap["id"],0ULL);
ncap["id"] = capId;
ncap["default"] = OSUtils::jsonBool(cap["default"],false);
json &rules = cap["rules"];
json nrules = json::array();
if (rules.is_array()) {
for(unsigned long i=0;i<rules.size();++i) {
json &rule = rules[i];
if (rule.is_object()) {
ZT_VirtualNetworkRule ztr;
if (_parseRule(rule,ztr))
nrules.push_back(_renderRule(ztr));
}
}
}
ncap["rules"] = nrules;
ncaps[capId] = ncap;
}
}
json ncapsa = json::array();
for(std::map< uint64_t,json >::iterator c(ncaps.begin());c!=ncaps.end();++c)
ncapsa.push_back(c->second);
network["capabilities"] = ncapsa;
}
}
if (b.count("tags")) {
json &tags = b["tags"];
if (tags.is_array()) {
std::map< uint64_t,json > ntags;
for(unsigned long i=0;i<tags.size();++i) {
json &tag = tags[i];
if (tag.is_object()) {
json ntag = json::object();
const uint64_t tagId = OSUtils::jsonInt(tag["id"],0ULL);
ntag["id"] = tagId;
json &dfl = tag["default"];
if (dfl.is_null())
ntag["default"] = dfl;
else ntag["default"] = OSUtils::jsonInt(dfl,0ULL);
ntags[tagId] = ntag;
}
}
json ntagsa = json::array();
for(std::map< uint64_t,json >::iterator t(ntags.begin());t!=ntags.end();++t)
ntagsa.push_back(t->second);
network["tags"] = ntagsa;
}
}
} catch ( ... ) {
responseBody = "{ \"message\": \"exception occurred while parsing body variables\" }";
responseContentType = "application/json";
return 400;
}
network["id"] = nwids;
network["nwid"] = nwids; // legacy
_removeNetworkNonPersistedFields(network);
if (network != origNetwork) {
json &revj = network["revision"];
network["revision"] = (revj.is_number() ? ((uint64_t)revj + 1ULL) : 1ULL);
_db.saveNetwork(nwid,network);
// Send an update to all members of the network that are online
Mutex::Lock _l(_memberStatus_m);
for(auto i=_memberStatus.begin();i!=_memberStatus.end();++i) {
if ((i->first.networkId == nwid)&&(i->second.online(now))&&(i->second.lastRequestMetaData))
request(nwid,InetAddress(),0,i->second.identity,i->second.lastRequestMetaData);
}
}
JSONDB::NetworkSummaryInfo ns;
_db.getNetworkSummaryInfo(nwid,ns);
_addNetworkNonPersistedFields(network,now,ns);
responseBody = OSUtils::jsonDump(network);
responseContentType = "application/json";
return 200;
} // else 404
} // else 404
} else if (path[0] == "ping") {
const uint64_t now = OSUtils::now();
bool first = true;
std::string pong("{\"memberStatus\":{");
{
Mutex::Lock _l(_memberStatus_m);
_db.eachId([this,&pong,&now,&first](uint64_t networkId,uint64_t nodeId) {
char tmp[64];
auto ms = this->_memberStatus.find(_MemberStatusKey(networkId,nodeId));
Utils::snprintf(tmp,sizeof(tmp),"%s\"%.16llx-%.10llx\":%llu",
(first) ? "" : ",",
(unsigned long long)networkId,
(unsigned long long)nodeId,
(ms != _memberStatus.end()) ? (unsigned long long)ms->second.lastRequestTime : 0ULL);
pong.append(tmp);
first = false;
});
}
char tmp2[256];
Utils::snprintf(tmp2,sizeof(tmp2),"},\"clock\":%llu,\"startTime\":%llu}",(unsigned long long)now,(unsigned long long)_startTime);
pong.append(tmp2);
_db.writeRaw("pong",pong);
responseBody = "{}";
responseContentType = "application/json";
return 200;
}
return 404;
}
unsigned int EmbeddedNetworkController::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)
{
if (path.empty())
return 404;
if (path[0] == "network") {
if ((path.size() >= 2)&&(path[1].length() == 16)) {
const uint64_t nwid = Utils::hexStrToU64(path[1].c_str());
if (path.size() >= 3) {
if ((path.size() == 4)&&(path[2] == "member")&&(path[3].length() == 10)) {
const uint64_t address = Utils::hexStrToU64(path[3].c_str());
json member = _db.eraseNetworkMember(nwid,address);
{
Mutex::Lock _l(_memberStatus_m);
_memberStatus.erase(_MemberStatusKey(nwid,address));
}
if (!member.size())
return 404;
responseBody = OSUtils::jsonDump(member);
responseContentType = "application/json";
return 200;
}
} else {
json network = _db.eraseNetwork(nwid);
{
Mutex::Lock _l(_memberStatus_m);
for(auto i=_memberStatus.begin();i!=_memberStatus.end();) {
if (i->first.networkId == nwid)
_memberStatus.erase(i++);
else ++i;
}
}
if (!network.size())
return 404;
responseBody = OSUtils::jsonDump(network);
responseContentType = "application/json";
return 200;
}
} // else 404
} // else 404
return 404;
}
void EmbeddedNetworkController::threadMain()
throw()
{
uint64_t lastCircuitTestCheck = 0;
_RQEntry *qe = (_RQEntry *)0;
while ((_running)&&((qe = _queue.get()))) {
try {
_request(qe->nwid,qe->fromAddr,qe->requestPacketId,qe->identity,qe->metaData);
} catch ( ... ) {}
delete qe;
if (_running) {
uint64_t now = OSUtils::now();
if ((now - lastCircuitTestCheck) > ZT_EMBEDDEDNETWORKCONTROLLER_CIRCUIT_TEST_EXPIRATION) {
lastCircuitTestCheck = now;
Mutex::Lock _l(_tests_m);
for(std::list< ZT_CircuitTest >::iterator i(_tests.begin());i!=_tests.end();) {
if ((now - i->timestamp) > ZT_EMBEDDEDNETWORKCONTROLLER_CIRCUIT_TEST_EXPIRATION) {
_node->circuitTestEnd(&(*i));
_tests.erase(i++);
} else ++i;
}
}
}
}
}
void EmbeddedNetworkController::_circuitTestCallback(ZT_Node *node,ZT_CircuitTest *test,const ZT_CircuitTestReport *report)
{
char tmp[2048],id[128];
EmbeddedNetworkController *const self = reinterpret_cast<EmbeddedNetworkController *>(test->ptr);
if ((!test)||(!report)||(!test->credentialNetworkId)) return; // sanity check
const uint64_t now = OSUtils::now();
Utils::snprintf(id,sizeof(id),"network/%.16llx/test/%.16llx-%.16llx-%.10llx-%.10llx",test->credentialNetworkId,test->testId,now,report->upstream,report->current);
Utils::snprintf(tmp,sizeof(tmp),
"{\"id\": \"%s\","
"\"objtype\": \"circuit_test\","
"\"timestamp\": %llu,"
"\"networkId\": \"%.16llx\","
"\"testId\": \"%.16llx\","
"\"upstream\": \"%.10llx\","
"\"current\": \"%.10llx\","
"\"receivedTimestamp\": %llu,"
"\"sourcePacketId\": \"%.16llx\","
"\"flags\": %llu,"
"\"sourcePacketHopCount\": %u,"
"\"errorCode\": %u,"
"\"vendor\": %d,"
"\"protocolVersion\": %u,"
"\"majorVersion\": %u,"
"\"minorVersion\": %u,"
"\"revision\": %u,"
"\"platform\": %d,"
"\"architecture\": %d,"
"\"receivedOnLocalAddress\": \"%s\","
"\"receivedFromRemoteAddress\": \"%s\","
"\"receivedFromLinkQuality\": %f}",
id + 30, // last bit only, not leading path
(unsigned long long)test->timestamp,
(unsigned long long)test->credentialNetworkId,
(unsigned long long)test->testId,
(unsigned long long)report->upstream,
(unsigned long long)report->current,
(unsigned long long)now,
(unsigned long long)report->sourcePacketId,
(unsigned long long)report->flags,
report->sourcePacketHopCount,
report->errorCode,
(int)report->vendor,
report->protocolVersion,
report->majorVersion,
report->minorVersion,
report->revision,
(int)report->platform,
(int)report->architecture,
reinterpret_cast<const InetAddress *>(&(report->receivedOnLocalAddress))->toString().c_str(),
reinterpret_cast<const InetAddress *>(&(report->receivedFromRemoteAddress))->toString().c_str(),
((double)report->receivedFromLinkQuality / (double)ZT_PATH_LINK_QUALITY_MAX));
self->_db.writeRaw(id,std::string(tmp));
}
void EmbeddedNetworkController::_request(
uint64_t nwid,
const InetAddress &fromAddr,
uint64_t requestPacketId,
const Identity &identity,
const Dictionary<ZT_NETWORKCONFIG_METADATA_DICT_CAPACITY> &metaData)
{
char nwids[24];
JSONDB::NetworkSummaryInfo ns;
json network,member,origMember;
if (((!_signingId)||(!_signingId.hasPrivate()))||(_signingId.address().toInt() != (nwid >> 24))||(!_sender))
return;
const uint64_t now = OSUtils::now();
if (requestPacketId) {
Mutex::Lock _l(_memberStatus_m);
_MemberStatus &ms = _memberStatus[_MemberStatusKey(nwid,identity.address().toInt())];
if ((now - ms.lastRequestTime) <= ZT_NETCONF_MIN_REQUEST_PERIOD)
return;
ms.lastRequestTime = now;
}
Utils::snprintf(nwids,sizeof(nwids),"%.16llx",nwid);
if (!_db.getNetworkAndMember(nwid,identity.address().toInt(),network,member,ns)) {
_sender->ncSendError(nwid,requestPacketId,identity.address(),NetworkController::NC_ERROR_OBJECT_NOT_FOUND);
return;
}
origMember = member;
const bool newMember = ((!member.is_object())||(member.size() == 0));
_initMember(member);
{
std::string haveIdStr(OSUtils::jsonString(member["identity"],""));
if (haveIdStr.length() > 0) {
// If we already know this member's identity perform a full compare. This prevents
// a "collision" from being able to auth onto our network in place of an already
// known member.
try {
if (Identity(haveIdStr.c_str()) != identity) {
_sender->ncSendError(nwid,requestPacketId,identity.address(),NetworkController::NC_ERROR_ACCESS_DENIED);
return;
}
} catch ( ... ) {
_sender->ncSendError(nwid,requestPacketId,identity.address(),NetworkController::NC_ERROR_ACCESS_DENIED);
return;
}
} else {
// If we do not yet know this member's identity, learn it.
member["identity"] = identity.toString(false);
}
}
// These are always the same, but make sure they are set
{
const std::string addrs(identity.address().toString());
member["id"] = addrs;
member["address"] = addrs;
member["nwid"] = nwids;
}
// Determine whether and how member is authorized
const char *authorizedBy = (const char *)0;
bool autoAuthorized = false;
json autoAuthCredentialType,autoAuthCredential;
if (OSUtils::jsonBool(member["authorized"],false)) {
authorizedBy = "memberIsAuthorized";
} else if (!OSUtils::jsonBool(network["private"],true)) {
authorizedBy = "networkIsPublic";
json &ahist = member["authHistory"];
if ((!ahist.is_array())||(ahist.size() == 0))
autoAuthorized = true;
} else {
char presentedAuth[512];
if (metaData.get(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_AUTH,presentedAuth,sizeof(presentedAuth)) > 0) {
presentedAuth[511] = (char)0; // sanity check
// Check for bearer token presented by member
if ((strlen(presentedAuth) > 6)&&(!strncmp(presentedAuth,"token:",6))) {
const char *const presentedToken = presentedAuth + 6;
json &authTokens = network["authTokens"];
if (authTokens.is_array()) {
for(unsigned long i=0;i<authTokens.size();++i) {
json &token = authTokens[i];
if (token.is_object()) {
const uint64_t expires = OSUtils::jsonInt(token["expires"],0ULL);
const uint64_t maxUses = OSUtils::jsonInt(token["maxUsesPerMember"],0ULL);
std::string tstr = OSUtils::jsonString(token["token"],"");
if (((expires == 0ULL)||(expires > now))&&(tstr == presentedToken)) {
bool usable = (maxUses == 0);
if (!usable) {
uint64_t useCount = 0;
json &ahist = member["authHistory"];
if (ahist.is_array()) {
for(unsigned long j=0;j<ahist.size();++j) {
json &ah = ahist[j];
if ((OSUtils::jsonString(ah["ct"],"") == "token")&&(OSUtils::jsonString(ah["c"],"") == tstr)&&(OSUtils::jsonBool(ah["a"],false)))
++useCount;
}
}
usable = (useCount < maxUses);
}
if (usable) {
authorizedBy = "token";
autoAuthorized = true;
autoAuthCredentialType = "token";
autoAuthCredential = tstr;
}
}
}
}
}
}
}
}
// If we auto-authorized, update member record
if ((autoAuthorized)&&(authorizedBy)) {
member["authorized"] = true;
member["lastAuthorizedTime"] = now;
json ah;
ah["a"] = true;
ah["by"] = authorizedBy;
ah["ts"] = now;
ah["ct"] = autoAuthCredentialType;
ah["c"] = autoAuthCredential;
member["authHistory"].push_back(ah);
json &revj = member["revision"];
member["revision"] = (revj.is_number() ? ((uint64_t)revj + 1ULL) : 1ULL);
}
if (authorizedBy) {
// Update version info and meta-data if authorized and if this is a genuine request
if (requestPacketId) {
const uint64_t vMajor = metaData.getUI(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_NODE_MAJOR_VERSION,0);
const uint64_t vMinor = metaData.getUI(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_NODE_MINOR_VERSION,0);
const uint64_t vRev = metaData.getUI(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_NODE_REVISION,0);
const uint64_t vProto = metaData.getUI(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_PROTOCOL_VERSION,0);
member["vMajor"] = vMajor;
member["vMinor"] = vMinor;
member["vRev"] = vRev;
member["vProto"] = vProto;
{
Mutex::Lock _l(_memberStatus_m);
_MemberStatus &ms = _memberStatus[_MemberStatusKey(nwid,identity.address().toInt())];
ms.vMajor = (int)vMajor;
ms.vMinor = (int)vMinor;
ms.vRev = (int)vRev;
ms.vProto = (int)vProto;
ms.lastRequestMetaData = metaData;
ms.identity = identity;
if (fromAddr)
ms.physicalAddr = fromAddr;
if (ms.physicalAddr)
member["physicalAddr"] = ms.physicalAddr.toString();
}
}
} else {
// If they are not authorized, STOP!
_removeMemberNonPersistedFields(member);
if (origMember != member)
_db.saveNetworkMember(nwid,identity.address().toInt(),member);
_sender->ncSendError(nwid,requestPacketId,identity.address(),NetworkController::NC_ERROR_ACCESS_DENIED);
return;
}
// -------------------------------------------------------------------------
// If we made it this far, they are authorized.
// -------------------------------------------------------------------------
uint64_t credentialtmd = ZT_NETWORKCONFIG_DEFAULT_CREDENTIAL_TIME_MAX_MAX_DELTA;
if (now > ns.mostRecentDeauthTime) {
// If we recently de-authorized a member, shrink credential TTL/max delta to
// be below the threshold required to exclude it. Cap this to a min/max to
// prevent jitter or absurdly large values.
const uint64_t deauthWindow = now - ns.mostRecentDeauthTime;
if (deauthWindow < ZT_NETWORKCONFIG_DEFAULT_CREDENTIAL_TIME_MIN_MAX_DELTA) {
credentialtmd = ZT_NETWORKCONFIG_DEFAULT_CREDENTIAL_TIME_MIN_MAX_DELTA;
} else if (deauthWindow < (ZT_NETWORKCONFIG_DEFAULT_CREDENTIAL_TIME_MAX_MAX_DELTA + 5000ULL)) {
credentialtmd = deauthWindow - 5000ULL;
}
}
std::auto_ptr<NetworkConfig> nc(new NetworkConfig());
nc->networkId = nwid;
nc->type = OSUtils::jsonBool(network["private"],true) ? ZT_NETWORK_TYPE_PRIVATE : ZT_NETWORK_TYPE_PUBLIC;
nc->timestamp = now;
nc->credentialTimeMaxDelta = credentialtmd;
nc->revision = OSUtils::jsonInt(network["revision"],0ULL);
nc->issuedTo = identity.address();
if (OSUtils::jsonBool(network["enableBroadcast"],true)) nc->flags |= ZT_NETWORKCONFIG_FLAG_ENABLE_BROADCAST;
if (OSUtils::jsonBool(network["allowPassiveBridging"],false)) nc->flags |= ZT_NETWORKCONFIG_FLAG_ALLOW_PASSIVE_BRIDGING;
Utils::scopy(nc->name,sizeof(nc->name),OSUtils::jsonString(network["name"],"").c_str());
nc->multicastLimit = (unsigned int)OSUtils::jsonInt(network["multicastLimit"],32ULL);
for(std::vector<Address>::const_iterator ab(ns.activeBridges.begin());ab!=ns.activeBridges.end();++ab)
nc->addSpecialist(*ab,ZT_NETWORKCONFIG_SPECIALIST_TYPE_ACTIVE_BRIDGE);
json &v4AssignMode = network["v4AssignMode"];
json &v6AssignMode = network["v6AssignMode"];
json &ipAssignmentPools = network["ipAssignmentPools"];
json &routes = network["routes"];
json &rules = network["rules"];
json &capabilities = network["capabilities"];
json &tags = network["tags"];
json &memberCapabilities = member["capabilities"];
json &memberTags = member["tags"];
if (metaData.getUI(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_RULES_ENGINE_REV,0) <= 0) {
// Old versions with no rules engine support get an allow everything rule.
// Since rules are enforced bidirectionally, newer versions *will* still
// enforce rules on the inbound side.
nc->ruleCount = 1;
nc->rules[0].t = ZT_NETWORK_RULE_ACTION_ACCEPT;
} else {
if (rules.is_array()) {
for(unsigned long i=0;i<rules.size();++i) {
if (nc->ruleCount >= ZT_MAX_NETWORK_RULES)
break;
if (_parseRule(rules[i],nc->rules[nc->ruleCount]))
++nc->ruleCount;
}
}
std::map< uint64_t,json * > capsById;
if (!memberCapabilities.is_array())
memberCapabilities = json::array();
if (capabilities.is_array()) {
for(unsigned long i=0;i<capabilities.size();++i) {
json &cap = capabilities[i];
if (cap.is_object()) {
const uint64_t id = OSUtils::jsonInt(cap["id"],0ULL) & 0xffffffffULL;
capsById[id] = &cap;
if ((newMember)&&(OSUtils::jsonBool(cap["default"],false))) {
bool have = false;
for(unsigned long i=0;i<memberCapabilities.size();++i) {
if (id == (OSUtils::jsonInt(memberCapabilities[i],0ULL) & 0xffffffffULL)) {
have = true;
break;
}
}
if (!have)
memberCapabilities.push_back(id);
}
}
}
}
for(unsigned long i=0;i<memberCapabilities.size();++i) {
const uint64_t capId = OSUtils::jsonInt(memberCapabilities[i],0ULL) & 0xffffffffULL;
std::map< uint64_t,json * >::const_iterator ctmp = capsById.find(capId);
if (ctmp != capsById.end()) {
json *cap = ctmp->second;
if ((cap)&&(cap->is_object())&&(cap->size() > 0)) {
ZT_VirtualNetworkRule capr[ZT_MAX_CAPABILITY_RULES];
unsigned int caprc = 0;
json &caprj = (*cap)["rules"];
if ((caprj.is_array())&&(caprj.size() > 0)) {
for(unsigned long j=0;j<caprj.size();++j) {
if (caprc >= ZT_MAX_CAPABILITY_RULES)
break;
if (_parseRule(caprj[j],capr[caprc]))
++caprc;
}
}
nc->capabilities[nc->capabilityCount] = Capability((uint32_t)capId,nwid,now,1,capr,caprc);
if (nc->capabilities[nc->capabilityCount].sign(_signingId,identity.address()))
++nc->capabilityCount;
if (nc->capabilityCount >= ZT_MAX_NETWORK_CAPABILITIES)
break;
}
}
}
std::map< uint32_t,uint32_t > memberTagsById;
if (memberTags.is_array()) {
for(unsigned long i=0;i<memberTags.size();++i) {
json &t = memberTags[i];
if ((t.is_array())&&(t.size() == 2))
memberTagsById[(uint32_t)(OSUtils::jsonInt(t[0],0ULL) & 0xffffffffULL)] = (uint32_t)(OSUtils::jsonInt(t[1],0ULL) & 0xffffffffULL);
}
}
if (tags.is_array()) { // check network tags array for defaults that are not present in member tags
for(unsigned long i=0;i<tags.size();++i) {
json &t = tags[i];
if (t.is_object()) {
const uint32_t id = (uint32_t)(OSUtils::jsonInt(t["id"],0) & 0xffffffffULL);
json &dfl = t["default"];
if ((dfl.is_number())&&(memberTagsById.find(id) == memberTagsById.end())) {
memberTagsById[id] = (uint32_t)(OSUtils::jsonInt(dfl,0) & 0xffffffffULL);
json mt = json::array();
mt.push_back(id);
mt.push_back(dfl);
memberTags.push_back(mt); // add default to member tags if not present
}
}
}
}
for(std::map< uint32_t,uint32_t >::const_iterator t(memberTagsById.begin());t!=memberTagsById.end();++t) {
if (nc->tagCount >= ZT_MAX_NETWORK_TAGS)
break;
nc->tags[nc->tagCount] = Tag(nwid,now,identity.address(),t->first,t->second);
if (nc->tags[nc->tagCount].sign(_signingId))
++nc->tagCount;
}
}
if (routes.is_array()) {
for(unsigned long i=0;i<routes.size();++i) {
if (nc->routeCount >= ZT_MAX_NETWORK_ROUTES)
break;
json &route = routes[i];
json &target = route["target"];
json &via = route["via"];
if (target.is_string()) {
const InetAddress t(target.get<std::string>());
InetAddress v;
if (via.is_string()) v.fromString(via.get<std::string>());
if ((t.ss_family == AF_INET)||(t.ss_family == AF_INET6)) {
ZT_VirtualNetworkRoute *r = &(nc->routes[nc->routeCount]);
*(reinterpret_cast<InetAddress *>(&(r->target))) = t;
if (v.ss_family == t.ss_family)
*(reinterpret_cast<InetAddress *>(&(r->via))) = v;
++nc->routeCount;
}
}
}
}
const bool noAutoAssignIps = OSUtils::jsonBool(member["noAutoAssignIps"],false);
if ((v6AssignMode.is_object())&&(!noAutoAssignIps)) {
if ((OSUtils::jsonBool(v6AssignMode["rfc4193"],false))&&(nc->staticIpCount < ZT_MAX_ZT_ASSIGNED_ADDRESSES)) {
nc->staticIps[nc->staticIpCount++] = InetAddress::makeIpv6rfc4193(nwid,identity.address().toInt());
nc->flags |= ZT_NETWORKCONFIG_FLAG_ENABLE_IPV6_NDP_EMULATION;
}
if ((OSUtils::jsonBool(v6AssignMode["6plane"],false))&&(nc->staticIpCount < ZT_MAX_ZT_ASSIGNED_ADDRESSES)) {
nc->staticIps[nc->staticIpCount++] = InetAddress::makeIpv66plane(nwid,identity.address().toInt());
nc->flags |= ZT_NETWORKCONFIG_FLAG_ENABLE_IPV6_NDP_EMULATION;
}
}
bool haveManagedIpv4AutoAssignment = false;
bool haveManagedIpv6AutoAssignment = false; // "special" NDP-emulated address types do not count
json ipAssignments = member["ipAssignments"]; // we want to make a copy
if (ipAssignments.is_array()) {
for(unsigned long i=0;i<ipAssignments.size();++i) {
if (!ipAssignments[i].is_string())
continue;
std::string ips = ipAssignments[i];
InetAddress ip(ips);
// IP assignments are only pushed if there is a corresponding local route. We also now get the netmask bits from
// this route, ignoring the netmask bits field of the assigned IP itself. Using that was worthless and a source
// of user error / poor UX.
int routedNetmaskBits = 0;
for(unsigned int rk=0;rk<nc->routeCount;++rk) {
if ( (!nc->routes[rk].via.ss_family) && (reinterpret_cast<const InetAddress *>(&(nc->routes[rk].target))->containsAddress(ip)) )
routedNetmaskBits = reinterpret_cast<const InetAddress *>(&(nc->routes[rk].target))->netmaskBits();
}
if (routedNetmaskBits > 0) {
if (nc->staticIpCount < ZT_MAX_ZT_ASSIGNED_ADDRESSES) {
ip.setPort(routedNetmaskBits);
nc->staticIps[nc->staticIpCount++] = ip;
}
if (ip.ss_family == AF_INET)
haveManagedIpv4AutoAssignment = true;
else if (ip.ss_family == AF_INET6)
haveManagedIpv6AutoAssignment = true;
}
}
} else {
ipAssignments = json::array();
}
if ( (ipAssignmentPools.is_array()) && ((v6AssignMode.is_object())&&(OSUtils::jsonBool(v6AssignMode["zt"],false))) && (!haveManagedIpv6AutoAssignment) && (!noAutoAssignIps) ) {
for(unsigned long p=0;((p<ipAssignmentPools.size())&&(!haveManagedIpv6AutoAssignment));++p) {
json &pool = ipAssignmentPools[p];
if (pool.is_object()) {
InetAddress ipRangeStart(OSUtils::jsonString(pool["ipRangeStart"],""));
InetAddress ipRangeEnd(OSUtils::jsonString(pool["ipRangeEnd"],""));
if ( (ipRangeStart.ss_family == AF_INET6) && (ipRangeEnd.ss_family == AF_INET6) ) {
uint64_t s[2],e[2],x[2],xx[2];
memcpy(s,ipRangeStart.rawIpData(),16);
memcpy(e,ipRangeEnd.rawIpData(),16);
s[0] = Utils::ntoh(s[0]);
s[1] = Utils::ntoh(s[1]);
e[0] = Utils::ntoh(e[0]);
e[1] = Utils::ntoh(e[1]);
x[0] = s[0];
x[1] = s[1];
for(unsigned int trialCount=0;trialCount<1000;++trialCount) {
if ((trialCount == 0)&&(e[1] > s[1])&&((e[1] - s[1]) >= 0xffffffffffULL)) {
// First see if we can just cram a ZeroTier ID into the higher 64 bits. If so do that.
xx[0] = Utils::hton(x[0]);
xx[1] = Utils::hton(x[1] + identity.address().toInt());
} else {
// Otherwise pick random addresses -- this technically doesn't explore the whole range if the lower 64 bit range is >= 1 but that won't matter since that would be huge anyway
Utils::getSecureRandom((void *)xx,16);
if ((e[0] > s[0]))
xx[0] %= (e[0] - s[0]);
else xx[0] = 0;
if ((e[1] > s[1]))
xx[1] %= (e[1] - s[1]);
else xx[1] = 0;
xx[0] = Utils::hton(x[0] + xx[0]);
xx[1] = Utils::hton(x[1] + xx[1]);
}
InetAddress ip6((const void *)xx,16,0);
// Check if this IP is within a local-to-Ethernet routed network
int routedNetmaskBits = 0;
for(unsigned int rk=0;rk<nc->routeCount;++rk) {
if ( (!nc->routes[rk].via.ss_family) && (nc->routes[rk].target.ss_family == AF_INET6) && (reinterpret_cast<const InetAddress *>(&(nc->routes[rk].target))->containsAddress(ip6)) )
routedNetmaskBits = reinterpret_cast<const InetAddress *>(&(nc->routes[rk].target))->netmaskBits();
}
// If it's routed, then try to claim and assign it and if successful end loop
if ( (routedNetmaskBits > 0) && (!std::binary_search(ns.allocatedIps.begin(),ns.allocatedIps.end(),ip6)) ) {
ipAssignments.push_back(ip6.toIpString());
member["ipAssignments"] = ipAssignments;
ip6.setPort((unsigned int)routedNetmaskBits);
if (nc->staticIpCount < ZT_MAX_ZT_ASSIGNED_ADDRESSES)
nc->staticIps[nc->staticIpCount++] = ip6;
haveManagedIpv6AutoAssignment = true;
break;
}
}
}
}
}
}
if ( (ipAssignmentPools.is_array()) && ((v4AssignMode.is_object())&&(OSUtils::jsonBool(v4AssignMode["zt"],false))) && (!haveManagedIpv4AutoAssignment) && (!noAutoAssignIps) ) {
for(unsigned long p=0;((p<ipAssignmentPools.size())&&(!haveManagedIpv4AutoAssignment));++p) {
json &pool = ipAssignmentPools[p];
if (pool.is_object()) {
InetAddress ipRangeStartIA(OSUtils::jsonString(pool["ipRangeStart"],""));
InetAddress ipRangeEndIA(OSUtils::jsonString(pool["ipRangeEnd"],""));
if ( (ipRangeStartIA.ss_family == AF_INET) && (ipRangeEndIA.ss_family == AF_INET) ) {
uint32_t ipRangeStart = Utils::ntoh((uint32_t)(reinterpret_cast<struct sockaddr_in *>(&ipRangeStartIA)->sin_addr.s_addr));
uint32_t ipRangeEnd = Utils::ntoh((uint32_t)(reinterpret_cast<struct sockaddr_in *>(&ipRangeEndIA)->sin_addr.s_addr));
if ((ipRangeEnd < ipRangeStart)||(ipRangeStart == 0))
continue;
uint32_t ipRangeLen = ipRangeEnd - ipRangeStart;
// Start with the LSB of the member's address
uint32_t ipTrialCounter = (uint32_t)(identity.address().toInt() & 0xffffffff);
for(uint32_t k=ipRangeStart,trialCount=0;((k<=ipRangeEnd)&&(trialCount < 1000));++k,++trialCount) {
uint32_t ip = (ipRangeLen > 0) ? (ipRangeStart + (ipTrialCounter % ipRangeLen)) : ipRangeStart;
++ipTrialCounter;
if ((ip & 0x000000ff) == 0x000000ff)
continue; // don't allow addresses that end in .255
// Check if this IP is within a local-to-Ethernet routed network
int routedNetmaskBits = -1;
for(unsigned int rk=0;rk<nc->routeCount;++rk) {
if (nc->routes[rk].target.ss_family == AF_INET) {
uint32_t targetIp = Utils::ntoh((uint32_t)(reinterpret_cast<const struct sockaddr_in *>(&(nc->routes[rk].target))->sin_addr.s_addr));
int targetBits = Utils::ntoh((uint16_t)(reinterpret_cast<const struct sockaddr_in *>(&(nc->routes[rk].target))->sin_port));
if ((ip & (0xffffffff << (32 - targetBits))) == targetIp) {
routedNetmaskBits = targetBits;
break;
}
}
}
// If it's routed, then try to claim and assign it and if successful end loop
const InetAddress ip4(Utils::hton(ip),0);
if ( (routedNetmaskBits > 0) && (!std::binary_search(ns.allocatedIps.begin(),ns.allocatedIps.end(),ip4)) ) {
ipAssignments.push_back(ip4.toIpString());
member["ipAssignments"] = ipAssignments;
if (nc->staticIpCount < ZT_MAX_ZT_ASSIGNED_ADDRESSES) {
struct sockaddr_in *const v4ip = reinterpret_cast<struct sockaddr_in *>(&(nc->staticIps[nc->staticIpCount++]));
v4ip->sin_family = AF_INET;
v4ip->sin_port = Utils::hton((uint16_t)routedNetmaskBits);
v4ip->sin_addr.s_addr = Utils::hton(ip);
}
haveManagedIpv4AutoAssignment = true;
break;
}
}
}
}
}
}
// Issue a certificate of ownership for all static IPs
if (nc->staticIpCount) {
nc->certificatesOfOwnership[0] = CertificateOfOwnership(nwid,now,identity.address(),1);
for(unsigned int i=0;i<nc->staticIpCount;++i)
nc->certificatesOfOwnership[0].addThing(nc->staticIps[i]);
nc->certificatesOfOwnership[0].sign(_signingId);
nc->certificateOfOwnershipCount = 1;
}
CertificateOfMembership com(now,credentialtmd,nwid,identity.address());
if (com.sign(_signingId)) {
nc->com = com;
} else {
_sender->ncSendError(nwid,requestPacketId,identity.address(),NetworkController::NC_ERROR_INTERNAL_SERVER_ERROR);
return;
}
_removeMemberNonPersistedFields(member);
if (member != origMember)
_db.saveNetworkMember(nwid,identity.address().toInt(),member);
_sender->ncSendConfig(nwid,requestPacketId,identity.address(),*(nc.get()),metaData.getUI(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_VERSION,0) < 6);
}
} // namespace ZeroTier
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