mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-21 13:57:49 +00:00
452 lines
16 KiB
C++
452 lines
16 KiB
C++
/*
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* Copyright (c)2019 ZeroTier, Inc.
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file in the project's root directory.
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*
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* Change Date: 2025-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2.0 of the Apache License.
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*/
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/****/
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#include <stdint.h>
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#include <algorithm>
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#include "NetworkConfig.hpp"
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namespace ZeroTier {
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bool NetworkConfig::toDictionary(Dictionary<ZT_NETWORKCONFIG_DICT_CAPACITY> &d,bool includeLegacy) const
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{
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Buffer<ZT_NETWORKCONFIG_DICT_CAPACITY> *tmp = new Buffer<ZT_NETWORKCONFIG_DICT_CAPACITY>();
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char tmp2[128] = {0};
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try {
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d.clear();
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// Try to put the more human-readable fields first
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_VERSION,(uint64_t)ZT_NETWORKCONFIG_VERSION)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_NETWORK_ID,this->networkId)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_TIMESTAMP,this->timestamp)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_CREDENTIAL_TIME_MAX_DELTA,this->credentialTimeMaxDelta)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_REVISION,this->revision)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_ISSUED_TO,this->issuedTo.toString(tmp2))) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_REMOTE_TRACE_TARGET,this->remoteTraceTarget.toString(tmp2))) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_REMOTE_TRACE_LEVEL,(uint64_t)this->remoteTraceLevel)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_FLAGS,this->flags)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_MULTICAST_LIMIT,(uint64_t)this->multicastLimit)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_TYPE,(uint64_t)this->type)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_NAME,this->name)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_MTU,(uint64_t)this->mtu)) return false;
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#ifdef ZT_SUPPORT_OLD_STYLE_NETCONF
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if (includeLegacy) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_ENABLE_BROADCAST_OLD,this->enableBroadcast())) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_PRIVATE_OLD,this->isPrivate())) return false;
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std::string v4s;
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for(unsigned int i=0;i<staticIpCount;++i) {
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if (this->staticIps[i].ss_family == AF_INET) {
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if (v4s.length() > 0)
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v4s.push_back(',');
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char buf[64];
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v4s.append(this->staticIps[i].toString(buf));
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}
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}
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if (v4s.length() > 0) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_IPV4_STATIC_OLD,v4s.c_str())) return false;
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}
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std::string v6s;
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for(unsigned int i=0;i<staticIpCount;++i) {
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if (this->staticIps[i].ss_family == AF_INET6) {
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if (v6s.length() > 0)
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v6s.push_back(',');
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char buf[64];
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v6s.append(this->staticIps[i].toString(buf));
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}
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}
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if (v6s.length() > 0) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_IPV6_STATIC_OLD,v6s.c_str())) return false;
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}
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std::string ets;
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unsigned int et = 0;
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ZT_VirtualNetworkRuleType lastrt = ZT_NETWORK_RULE_ACTION_ACCEPT;
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for(unsigned int i=0;i<ruleCount;++i) {
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ZT_VirtualNetworkRuleType rt = (ZT_VirtualNetworkRuleType)(rules[i].t & 0x7f);
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if (rt == ZT_NETWORK_RULE_MATCH_ETHERTYPE) {
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et = rules[i].v.etherType;
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} else if (rt == ZT_NETWORK_RULE_ACTION_ACCEPT) {
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if (((int)lastrt < 32)||(lastrt == ZT_NETWORK_RULE_MATCH_ETHERTYPE)) {
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if (ets.length() > 0)
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ets.push_back(',');
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char tmp2[16] = {0};
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ets.append(Utils::hex((uint16_t)et,tmp2));
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}
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et = 0;
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}
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lastrt = rt;
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}
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if (ets.length() > 0) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_ALLOWED_ETHERNET_TYPES_OLD,ets.c_str())) return false;
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}
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if (this->com) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_CERTIFICATE_OF_MEMBERSHIP_OLD,this->com.toString().c_str())) return false;
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}
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std::string ab;
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for(unsigned int i=0;i<this->specialistCount;++i) {
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if ((this->specialists[i] & ZT_NETWORKCONFIG_SPECIALIST_TYPE_ACTIVE_BRIDGE) != 0) {
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if (ab.length() > 0)
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ab.push_back(',');
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char tmp2[16] = {0};
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ab.append(Address(this->specialists[i]).toString(tmp2));
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}
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}
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if (ab.length() > 0) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_ACTIVE_BRIDGES_OLD,ab.c_str())) return false;
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}
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}
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#endif // ZT_SUPPORT_OLD_STYLE_NETCONF
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// Then add binary blobs
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if (this->com) {
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tmp->clear();
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this->com.serialize(*tmp);
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_COM,*tmp)) return false;
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}
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tmp->clear();
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for(unsigned int i=0;i<this->capabilityCount;++i)
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this->capabilities[i].serialize(*tmp);
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if (tmp->size()) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_CAPABILITIES,*tmp)) return false;
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}
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tmp->clear();
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for(unsigned int i=0;i<this->tagCount;++i)
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this->tags[i].serialize(*tmp);
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if (tmp->size()) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_TAGS,*tmp)) return false;
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}
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tmp->clear();
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for(unsigned int i=0;i<this->certificateOfOwnershipCount;++i)
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this->certificatesOfOwnership[i].serialize(*tmp);
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if (tmp->size()) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_CERTIFICATES_OF_OWNERSHIP,*tmp)) return false;
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}
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tmp->clear();
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for(unsigned int i=0;i<this->specialistCount;++i)
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tmp->append((uint64_t)this->specialists[i]);
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if (tmp->size()) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_SPECIALISTS,*tmp)) return false;
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}
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tmp->clear();
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for(unsigned int i=0;i<this->routeCount;++i) {
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reinterpret_cast<const InetAddress *>(&(this->routes[i].target))->serialize(*tmp);
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reinterpret_cast<const InetAddress *>(&(this->routes[i].via))->serialize(*tmp);
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tmp->append((uint16_t)this->routes[i].flags);
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tmp->append((uint16_t)this->routes[i].metric);
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}
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if (tmp->size()) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_ROUTES,*tmp)) return false;
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}
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tmp->clear();
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for(unsigned int i=0;i<this->staticIpCount;++i)
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this->staticIps[i].serialize(*tmp);
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if (tmp->size()) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_STATIC_IPS,*tmp)) return false;
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}
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if (this->ruleCount) {
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tmp->clear();
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Capability::serializeRules(*tmp,rules,ruleCount);
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if (tmp->size()) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_RULES,*tmp)) return false;
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}
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}
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tmp->clear();
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DNS::serializeDNS(*tmp, &dns);
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if (tmp->size()) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_DNS,*tmp)) return false;
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}
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if (this->ssoVersion == 0) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_SSO_VERSION, this->ssoVersion)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_SSO_ENABLED, this->ssoEnabled)) return false;
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if (this->ssoEnabled) {
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if (this->authenticationURL[0]) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_AUTHENTICATION_URL, this->authenticationURL)) return false;
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}
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_AUTHENTICATION_EXPIRY_TIME, this->authenticationExpiryTime)) return false;
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}
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} else if(this->ssoVersion == 1) {
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_SSO_VERSION, this->ssoVersion)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_SSO_ENABLED, this->ssoEnabled)) return false;
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//if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_AUTHENTICATION_URL, this->authenticationURL)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_ISSUER_URL, this->issuerURL)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_CENTRAL_ENDPOINT_URL, this->centralAuthURL)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_NONCE, this->ssoNonce)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_STATE, this->ssoState)) return false;
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if (!d.add(ZT_NETWORKCONFIG_DICT_KEY_CLIENT_ID, this->ssoClientID)) return false;
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}
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delete tmp;
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} catch ( ... ) {
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delete tmp;
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throw;
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}
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return true;
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}
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bool NetworkConfig::fromDictionary(const Dictionary<ZT_NETWORKCONFIG_DICT_CAPACITY> &d)
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{
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static const NetworkConfig NIL_NC;
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Buffer<ZT_NETWORKCONFIG_DICT_CAPACITY> *tmp = new Buffer<ZT_NETWORKCONFIG_DICT_CAPACITY>();
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try {
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*this = NIL_NC;
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// Fields that are always present, new or old
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this->networkId = d.getUI(ZT_NETWORKCONFIG_DICT_KEY_NETWORK_ID,0);
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if (!this->networkId) {
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delete tmp;
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return false;
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}
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this->timestamp = d.getUI(ZT_NETWORKCONFIG_DICT_KEY_TIMESTAMP,0);
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this->credentialTimeMaxDelta = d.getUI(ZT_NETWORKCONFIG_DICT_KEY_CREDENTIAL_TIME_MAX_DELTA,0);
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this->revision = d.getUI(ZT_NETWORKCONFIG_DICT_KEY_REVISION,0);
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this->issuedTo = d.getUI(ZT_NETWORKCONFIG_DICT_KEY_ISSUED_TO,0);
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if (!this->issuedTo) {
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delete tmp;
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return false;
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}
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this->remoteTraceTarget = d.getUI(ZT_NETWORKCONFIG_DICT_KEY_REMOTE_TRACE_TARGET);
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this->remoteTraceLevel = (Trace::Level)d.getUI(ZT_NETWORKCONFIG_DICT_KEY_REMOTE_TRACE_LEVEL);
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this->multicastLimit = (unsigned int)d.getUI(ZT_NETWORKCONFIG_DICT_KEY_MULTICAST_LIMIT,0);
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d.get(ZT_NETWORKCONFIG_DICT_KEY_NAME,this->name,sizeof(this->name));
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this->mtu = (unsigned int)d.getUI(ZT_NETWORKCONFIG_DICT_KEY_MTU,ZT_DEFAULT_MTU);
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if (this->mtu < 1280)
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this->mtu = 1280; // minimum MTU allowed by IPv6 standard and others
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else if (this->mtu > ZT_MAX_MTU)
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this->mtu = ZT_MAX_MTU;
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if (d.getUI(ZT_NETWORKCONFIG_DICT_KEY_VERSION,0) < 6) {
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#ifdef ZT_SUPPORT_OLD_STYLE_NETCONF
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char tmp2[1024] = {0};
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// Decode legacy fields if version is old
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if (d.getB(ZT_NETWORKCONFIG_DICT_KEY_ENABLE_BROADCAST_OLD))
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this->flags |= ZT_NETWORKCONFIG_FLAG_ENABLE_BROADCAST;
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this->flags |= ZT_NETWORKCONFIG_FLAG_ENABLE_IPV6_NDP_EMULATION; // always enable for old-style netconf
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this->type = (d.getB(ZT_NETWORKCONFIG_DICT_KEY_PRIVATE_OLD,true)) ? ZT_NETWORK_TYPE_PRIVATE : ZT_NETWORK_TYPE_PUBLIC;
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_IPV4_STATIC_OLD,tmp2,sizeof(tmp2)) > 0) {
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char *saveptr = (char *)0;
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for(char *f=Utils::stok(tmp2,",",&saveptr);(f);f=Utils::stok((char *)0,",",&saveptr)) {
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if (this->staticIpCount >= ZT_MAX_ZT_ASSIGNED_ADDRESSES) break;
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InetAddress ip(f);
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if (!ip.isNetwork())
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this->staticIps[this->staticIpCount++] = ip;
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}
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}
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_IPV6_STATIC_OLD,tmp2,sizeof(tmp2)) > 0) {
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char *saveptr = (char *)0;
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for(char *f=Utils::stok(tmp2,",",&saveptr);(f);f=Utils::stok((char *)0,",",&saveptr)) {
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if (this->staticIpCount >= ZT_MAX_ZT_ASSIGNED_ADDRESSES) break;
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InetAddress ip(f);
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if (!ip.isNetwork())
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this->staticIps[this->staticIpCount++] = ip;
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}
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}
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_CERTIFICATE_OF_MEMBERSHIP_OLD,tmp2,sizeof(tmp2)) > 0) {
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this->com.fromString(tmp2);
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}
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_ALLOWED_ETHERNET_TYPES_OLD,tmp2,sizeof(tmp2)) > 0) {
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char *saveptr = (char *)0;
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for(char *f=Utils::stok(tmp2,",",&saveptr);(f);f=Utils::stok((char *)0,",",&saveptr)) {
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unsigned int et = Utils::hexStrToUInt(f) & 0xffff;
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if ((this->ruleCount + 2) > ZT_MAX_NETWORK_RULES) break;
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if (et > 0) {
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this->rules[this->ruleCount].t = (uint8_t)ZT_NETWORK_RULE_MATCH_ETHERTYPE;
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this->rules[this->ruleCount].v.etherType = (uint16_t)et;
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++this->ruleCount;
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}
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this->rules[this->ruleCount++].t = (uint8_t)ZT_NETWORK_RULE_ACTION_ACCEPT;
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}
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} else {
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this->rules[0].t = ZT_NETWORK_RULE_ACTION_ACCEPT;
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this->ruleCount = 1;
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}
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_ACTIVE_BRIDGES_OLD,tmp2,sizeof(tmp2)) > 0) {
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char *saveptr = (char *)0;
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for(char *f=Utils::stok(tmp2,",",&saveptr);(f);f=Utils::stok((char *)0,",",&saveptr)) {
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this->addSpecialist(Address(Utils::hexStrToU64(f)),ZT_NETWORKCONFIG_SPECIALIST_TYPE_ACTIVE_BRIDGE);
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}
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}
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#else
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delete tmp;
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return false;
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#endif // ZT_SUPPORT_OLD_STYLE_NETCONF
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} else {
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// Otherwise we can use the new fields
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this->flags = d.getUI(ZT_NETWORKCONFIG_DICT_KEY_FLAGS,0);
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this->type = (ZT_VirtualNetworkType)d.getUI(ZT_NETWORKCONFIG_DICT_KEY_TYPE,(uint64_t)ZT_NETWORK_TYPE_PRIVATE);
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_COM,*tmp))
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this->com.deserialize(*tmp,0);
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_CAPABILITIES,*tmp)) {
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try {
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unsigned int p = 0;
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while (p < tmp->size()) {
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Capability cap;
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p += cap.deserialize(*tmp,p);
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this->capabilities[this->capabilityCount++] = cap;
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}
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} catch ( ... ) {}
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std::sort(&(this->capabilities[0]),&(this->capabilities[this->capabilityCount]));
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}
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_TAGS,*tmp)) {
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try {
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unsigned int p = 0;
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while (p < tmp->size()) {
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Tag tag;
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p += tag.deserialize(*tmp,p);
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this->tags[this->tagCount++] = tag;
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}
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} catch ( ... ) {}
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std::sort(&(this->tags[0]),&(this->tags[this->tagCount]));
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}
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_CERTIFICATES_OF_OWNERSHIP,*tmp)) {
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unsigned int p = 0;
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while (p < tmp->size()) {
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if (certificateOfOwnershipCount < ZT_MAX_CERTIFICATES_OF_OWNERSHIP)
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p += certificatesOfOwnership[certificateOfOwnershipCount++].deserialize(*tmp,p);
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else {
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CertificateOfOwnership foo;
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p += foo.deserialize(*tmp,p);
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}
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}
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}
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_SPECIALISTS,*tmp)) {
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unsigned int p = 0;
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while ((p + 8) <= tmp->size()) {
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if (specialistCount < ZT_MAX_NETWORK_SPECIALISTS)
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this->specialists[this->specialistCount++] = tmp->at<uint64_t>(p);
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p += 8;
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}
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}
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_ROUTES,*tmp)) {
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unsigned int p = 0;
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while ((p < tmp->size())&&(routeCount < ZT_MAX_NETWORK_ROUTES)) {
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p += reinterpret_cast<InetAddress *>(&(this->routes[this->routeCount].target))->deserialize(*tmp,p);
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p += reinterpret_cast<InetAddress *>(&(this->routes[this->routeCount].via))->deserialize(*tmp,p);
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this->routes[this->routeCount].flags = tmp->at<uint16_t>(p); p += 2;
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this->routes[this->routeCount].metric = tmp->at<uint16_t>(p); p += 2;
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++this->routeCount;
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}
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}
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_STATIC_IPS,*tmp)) {
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unsigned int p = 0;
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while ((p < tmp->size())&&(staticIpCount < ZT_MAX_ZT_ASSIGNED_ADDRESSES)) {
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p += this->staticIps[this->staticIpCount++].deserialize(*tmp,p);
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}
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}
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_RULES,*tmp)) {
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this->ruleCount = 0;
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unsigned int p = 0;
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Capability::deserializeRules(*tmp,p,this->rules,this->ruleCount,ZT_MAX_NETWORK_RULES);
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}
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if (d.get(ZT_NETWORKCONFIG_DICT_KEY_DNS, *tmp)) {
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unsigned int p = 0;
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DNS::deserializeDNS(*tmp, p, &dns);
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}
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this->ssoVersion = d.getUI(ZT_NETWORKCONFIG_DICT_KEY_SSO_VERSION, 0ULL);
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this->ssoEnabled = d.getB(ZT_NETWORKCONFIG_DICT_KEY_SSO_ENABLED, false);
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|
|
|
if (this->ssoVersion == 0) {
|
|
// implicit flow
|
|
if (this->ssoEnabled) {
|
|
if (d.get(ZT_NETWORKCONFIG_DICT_KEY_AUTHENTICATION_URL, this->authenticationURL, (unsigned int)sizeof(this->authenticationURL)) > 0) {
|
|
this->authenticationURL[sizeof(this->authenticationURL) - 1] = 0; // ensure null terminated
|
|
} else {
|
|
this->authenticationURL[0] = 0;
|
|
}
|
|
this->authenticationExpiryTime = d.getI(ZT_NETWORKCONFIG_DICT_KEY_AUTHENTICATION_EXPIRY_TIME, 0);
|
|
} else {
|
|
this->authenticationURL[0] = 0;
|
|
this->authenticationExpiryTime = 0;
|
|
}
|
|
} else if (this->ssoVersion == 1) {
|
|
// full flow
|
|
if (this->ssoEnabled) {
|
|
if (d.get(ZT_NETWORKCONFIG_DICT_KEY_AUTHENTICATION_URL, this->authenticationURL, (unsigned int)sizeof(this->authenticationURL)) > 0) {
|
|
this->authenticationURL[sizeof(this->authenticationURL) - 1] = 0;
|
|
}
|
|
if (d.get(ZT_NETWORKCONFIG_DICT_KEY_ISSUER_URL, this->issuerURL, (unsigned int)sizeof(this->issuerURL)) > 0) {
|
|
this->issuerURL[sizeof(this->issuerURL) - 1] = 0;
|
|
}
|
|
if (d.get(ZT_NETWORKCONFIG_DICT_KEY_CENTRAL_ENDPOINT_URL, this->centralAuthURL, (unsigned int)sizeof(this->centralAuthURL)) > 0) {
|
|
this->centralAuthURL[sizeof(this->centralAuthURL) - 1] = 0;
|
|
}
|
|
if (d.get(ZT_NETWORKCONFIG_DICT_KEY_NONCE, this->ssoNonce, (unsigned int)sizeof(this->ssoNonce)) > 0) {
|
|
this->ssoNonce[sizeof(this->ssoNonce) - 1] = 0;
|
|
}
|
|
if (d.get(ZT_NETWORKCONFIG_DICT_KEY_STATE, this->ssoState, (unsigned int)sizeof(this->ssoState)) > 0) {
|
|
this->ssoState[sizeof(this->ssoState) - 1] = 0;
|
|
}
|
|
if (d.get(ZT_NETWORKCONFIG_DICT_KEY_CLIENT_ID, this->ssoClientID, (unsigned int)sizeof(this->ssoClientID)) > 0) {
|
|
this->ssoClientID[sizeof(this->ssoClientID) - 1] = 0;
|
|
}
|
|
} else {
|
|
this->authenticationURL[0] = 0;
|
|
this->authenticationExpiryTime = 0;
|
|
this->centralAuthURL[0] = 0;
|
|
this->ssoNonce[0] = 0;
|
|
this->ssoState[0] = 0;
|
|
this->ssoClientID[0] = 0;
|
|
this->issuerURL[0] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
//printf("~~~\n%s\n~~~\n",d.data());
|
|
//dump();
|
|
//printf("~~~\n");
|
|
|
|
delete tmp;
|
|
return true;
|
|
} catch ( ... ) {
|
|
delete tmp;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
} // namespace ZeroTier
|