mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-25 23:51:06 +00:00
227 lines
7.7 KiB
C++
227 lines
7.7 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: 2023-01-01
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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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#include "ScopedPtr.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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ScopedPtr< Buffer<ZT_NETWORKCONFIG_DICT_CAPACITY> > tmp(new Buffer<ZT_NETWORKCONFIG_DICT_CAPACITY>());
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char tmp2[128];
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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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// 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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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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ScopedPtr< 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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return false;
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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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return false;
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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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return false;
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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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}
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return true;
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} catch ( ... ) {
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return false;
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}
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}
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} // namespace ZeroTier
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