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authorAdam Ierymenko <adam.ierymenko@gmail.com>2015-03-12 09:56:03 -0700
committerAdam Ierymenko <adam.ierymenko@gmail.com>2015-03-12 09:56:03 -0700
commitfab951e98ab576c473f6f0450af2c842b5015478 (patch)
tree1a6a7f63ad23320754964ecca7b12ae63e0655d8 /netconf/SqliteNetworkConfigMaster.cpp
parentab211cf599b502d8f92a99a3867996f4cdd08e5e (diff)
downloadinfinitytier-fab951e98ab576c473f6f0450af2c842b5015478.tar.gz
infinitytier-fab951e98ab576c473f6f0450af2c842b5015478.zip
Sqlite schema for netconf.
Diffstat (limited to 'netconf/SqliteNetworkConfigMaster.cpp')
-rw-r--r--netconf/SqliteNetworkConfigMaster.cpp631
1 files changed, 631 insertions, 0 deletions
diff --git a/netconf/SqliteNetworkConfigMaster.cpp b/netconf/SqliteNetworkConfigMaster.cpp
new file mode 100644
index 00000000..f6d310dd
--- /dev/null
+++ b/netconf/SqliteNetworkConfigMaster.cpp
@@ -0,0 +1,631 @@
+/*
+ * 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/>.
+ *
+ * --
+ *
+ * ZeroTier may be used and distributed under the terms of the GPLv3, which
+ * are available at: http://www.gnu.org/licenses/gpl-3.0.html
+ *
+ * If you would like to embed ZeroTier into a commercial application or
+ * redistribute it in a modified binary form, please contact ZeroTier Networks
+ * LLC. Start here: http://www.zerotier.com/
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
+#include <algorithm>
+#include <utility>
+#include <stdexcept>
+
+#include "RedisNetworkConfigMaster.hpp"
+#include "../node/Utils.hpp"
+#include "../node/CertificateOfMembership.hpp"
+#include "../node/NetworkConfig.hpp"
+
+namespace ZeroTier {
+
+RedisNetworkConfigMaster::RedisNetworkConfigMaster(
+ const Identity &signingId,
+ const char *redisHost,
+ unsigned int redisPort,
+ const char *redisPassword,
+ unsigned int redisDatabaseNumber) :
+ _lock(),
+ _signingId(signingId),
+ _redisHost(redisHost),
+ _redisPassword((redisPassword) ? redisPassword : ""),
+ _redisPort(redisPort),
+ _redisDatabaseNumber(redisDatabaseNumber),
+ _rc((redisContext *)0)
+{
+ if (!_signingId.hasPrivate())
+ throw std::runtime_error("RedisNetworkConfigMaster signing identity must have a private key");
+}
+
+RedisNetworkConfigMaster::~RedisNetworkConfigMaster()
+{
+ Mutex::Lock _l(_lock);
+ if (_rc)
+ redisFree(_rc);
+}
+
+NetworkConfigMaster::ResultCode RedisNetworkConfigMaster::doNetworkConfigRequest(const InetAddress &fromAddr,uint64_t packetId,const Identity &member,uint64_t nwid,const Dictionary &metaData,uint64_t haveTimestamp,Dictionary &netconf)
+{
+ char memberKey[128],nwids[24],addrs[16],nwKey[128],revKey[128];
+ Dictionary memberRecord;
+ std::string revision,tmps2;
+
+ Mutex::Lock _l(_lock);
+
+ Utils::snprintf(nwids,sizeof(nwids),"%.16llx",(unsigned long long)nwid);
+ Utils::snprintf(addrs,sizeof(addrs),"%.10llx",(unsigned long long)member.address().toInt());
+ Utils::snprintf(memberKey,sizeof(memberKey),"zt1:network:%s:member:%s:~",nwids,addrs);
+ Utils::snprintf(nwKey,sizeof(nwKey),"zt1:network:%s:~",nwids);
+ Utils::snprintf(revKey,sizeof(revKey),"zt1:network:%s:revision",nwids);
+
+ //TRACE("netconf: %s : %s if > %llu",nwids,addrs,(unsigned long long)haveTimestamp);
+
+ // Check to make sure network itself exists and is valid
+ if (!_hget(nwKey,"id",tmps2)) {
+ netconf["error"] = "Redis error retrieving network record ID field";
+ return NetworkConfigMaster::NETCONF_QUERY_INTERNAL_SERVER_ERROR;
+ }
+ if (tmps2 != nwids)
+ return NetworkConfigMaster::NETCONF_QUERY_OBJECT_NOT_FOUND;
+
+ // Get network revision
+ if (!_get(revKey,revision)) {
+ netconf["error"] = "Redis error retrieving network revision";
+ return NetworkConfigMaster::NETCONF_QUERY_INTERNAL_SERVER_ERROR;
+ }
+ if (!revision.length())
+ revision = "0";
+
+ // Get network member record for this peer
+ if (!_hgetall(memberKey,memberRecord)) {
+ netconf["error"] = "Redis error retrieving member record";
+ return NetworkConfigMaster::NETCONF_QUERY_INTERNAL_SERVER_ERROR;
+ }
+
+ // If there is no member record, init a new one -- for public networks this
+ // auto-authorizes, and for private nets it makes the peer show up in the UI
+ // so the admin can authorize or delete/hide it.
+ if ((memberRecord.size() == 0)||(memberRecord.get("id","") != addrs)||(memberRecord.get("nwid","") != nwids)) {
+ if (!_initNewMember(nwid,member,metaData,memberRecord)) {
+ netconf["error"] = "_initNewMember() failed";
+ return NetworkConfigMaster::NETCONF_QUERY_INTERNAL_SERVER_ERROR;
+ }
+ }
+
+ if (memberRecord.getBoolean("authorized")) {
+ // Get current netconf and netconf timestamp
+ uint64_t ts = memberRecord.getUInt("netconfTimestamp",0);
+ std::string netconfStr(memberRecord.get("netconf",""));
+ netconf.fromString(netconfStr);
+
+ // Update statistics for this node
+ Dictionary upd;
+ upd.set("netconfClientTimestamp",haveTimestamp);
+ if (fromAddr)
+ upd.set("lastAt",fromAddr.toString());
+ upd.set("lastSeen",Utils::now());
+ _hmset(memberKey,upd);
+
+ // Attempt to generate netconf for this node if there isn't
+ // one or it's not in step with the network's revision.
+ if (((ts == 0)||(netconfStr.length() == 0))||(memberRecord.get("netconfRevision","") != revision)) {
+ std::string errorMessage;
+ if (!_generateNetconf(nwid,member,metaData,netconf,ts,errorMessage)) {
+ netconf["error"] = errorMessage;
+ return NetworkConfigMaster::NETCONF_QUERY_INTERNAL_SERVER_ERROR;
+ }
+ }
+
+ if (ts > haveTimestamp)
+ return NetworkConfigMaster::NETCONF_QUERY_OK;
+ else return NetworkConfigMaster::NETCONF_QUERY_OK_BUT_NOT_NEWER;
+ } else {
+ return NetworkConfigMaster::NETCONF_QUERY_ACCESS_DENIED;
+ }
+}
+
+bool RedisNetworkConfigMaster::_reconnect()
+{
+ struct timeval tv;
+
+ if (_rc)
+ redisFree(_rc);
+
+ tv.tv_sec = ZT_NETCONF_REDIS_TIMEOUT;
+ tv.tv_usec = 0;
+ _rc = redisConnectWithTimeout(_redisHost.c_str(),_redisPort,tv);
+ if (!_rc)
+ return false;
+ if (_rc->err) {
+ redisFree(_rc);
+ _rc = (redisContext *)0;
+ return false;
+ }
+ redisSetTimeout(_rc,tv); // necessary???
+
+ // TODO: support AUTH and SELECT !!!
+
+ return true;
+}
+
+bool RedisNetworkConfigMaster::_hgetall(const char *key,Dictionary &hdata)
+{
+ if (!_rc) {
+ if (!_reconnect())
+ return false;
+ }
+
+ redisReply *reply = (redisReply *)redisCommand(_rc,"HGETALL %s",key);
+ if (!reply) {
+ if (_reconnect())
+ return _hgetall(key,hdata);
+ return false;
+ }
+
+ hdata.clear();
+ if (reply->type == REDIS_REPLY_ARRAY) {
+ for(long i=0;i<reply->elements;) {
+ try {
+ const char *k = reply->element[i]->str;
+ if (++i >= reply->elements)
+ break;
+ if ((k)&&(reply->element[i]->str))
+ hdata[k] = reply->element[i]->str;
+ ++i;
+ } catch ( ... ) {
+ break; // memory safety
+ }
+ }
+ }
+
+ freeReplyObject(reply);
+
+ return true;
+}
+
+bool RedisNetworkConfigMaster::_hmset(const char *key,const Dictionary &hdata)
+{
+ const char *hargv[1024];
+
+ if (!hdata.size())
+ return true;
+
+ if (!_rc) {
+ if (!_reconnect())
+ return false;
+ }
+
+ hargv[0] = "HMSET";
+ hargv[1] = key;
+ int hargc = 2;
+ for(Dictionary::const_iterator i(hdata.begin());i!=hdata.end();++i) {
+ if (hargc >= 1024)
+ break;
+ hargv[hargc++] = i->first.c_str();
+ hargv[hargc++] = i->second.c_str();
+ }
+
+ redisReply *reply = (redisReply *)redisCommandArgv(_rc,hargc,hargv,(const size_t *)0);
+ if (!reply) {
+ if (_reconnect())
+ return _hmset(key,hdata);
+ return false;
+ }
+
+ if (reply->type == REDIS_REPLY_ERROR) {
+ freeReplyObject(reply);
+ return false;
+ }
+
+ freeReplyObject(reply);
+
+ return true;
+}
+
+bool RedisNetworkConfigMaster::_hget(const char *key,const char *hashKey,std::string &value)
+{
+ if (!_rc) {
+ if (!_reconnect())
+ return false;
+ }
+
+ redisReply *reply = (redisReply *)redisCommand(_rc,"HGET %s %s",key,hashKey);
+ if (!reply) {
+ if (_reconnect())
+ return _hget(key,hashKey,value);
+ return false;
+ }
+
+ if (reply->type == REDIS_REPLY_STRING)
+ value = reply->str;
+ else value = "";
+
+ freeReplyObject(reply);
+
+ return true;
+}
+
+bool RedisNetworkConfigMaster::_hset(const char *key,const char *hashKey,const char *value)
+{
+ if (!_rc) {
+ if (!_reconnect())
+ return false;
+ }
+
+ redisReply *reply = (redisReply *)redisCommand(_rc,"HSET %s %s %s",key,hashKey,value);
+ if (!reply) {
+ if (_reconnect())
+ return _hset(key,hashKey,value);
+ return false;
+ }
+
+ if (reply->type == REDIS_REPLY_ERROR) {
+ freeReplyObject(reply);
+ return false;
+ }
+
+ freeReplyObject(reply);
+
+ return true;
+}
+
+bool RedisNetworkConfigMaster::_get(const char *key,std::string &value)
+{
+ if (!_rc) {
+ if (!_reconnect())
+ return false;
+ }
+
+ redisReply *reply = (redisReply *)redisCommand(_rc,"GET %s",key);
+ if (!reply) {
+ if (_reconnect())
+ return _get(key,value);
+ return false;
+ }
+
+ if ((reply->type == REDIS_REPLY_STRING)&&(reply->str))
+ value = reply->str;
+ else value = "";
+
+ freeReplyObject(reply);
+
+ return true;
+}
+
+bool RedisNetworkConfigMaster::_sadd(const char *key,const char *value)
+{
+ if (!_rc) {
+ if (!_reconnect())
+ return false;
+ }
+
+ redisReply *reply = (redisReply *)redisCommand(_rc,"SADD %s %s",key,value);
+ if (!reply) {
+ if (_reconnect())
+ return _sadd(key,value);
+ return false;
+ }
+
+ if (reply->type == REDIS_REPLY_ERROR) {
+ freeReplyObject(reply);
+ return false;
+ }
+
+ freeReplyObject(reply);
+
+ return true;
+}
+
+bool RedisNetworkConfigMaster::_smembers(const char *key,std::vector<std::string> &sdata)
+{
+ if (!_rc) {
+ if (!_reconnect())
+ return false;
+ }
+
+ redisReply *reply = (redisReply *)redisCommand(_rc,"SMEMBERS %s",key);
+ if (!reply) {
+ if (_reconnect())
+ return _smembers(key,sdata);
+ return false;
+ }
+
+ sdata.clear();
+ if (reply->type == REDIS_REPLY_ARRAY) {
+ for(long i=0;i<reply->elements;++i) {
+ if (reply->element[i]->str)
+ sdata.push_back(reply->element[i]->str);
+ }
+ }
+
+ return true;
+}
+
+bool RedisNetworkConfigMaster::_initNewMember(uint64_t nwid,const Identity &member,const Dictionary &metaData,Dictionary &memberRecord)
+{
+ char memberKey[128],nwids[24],addrs[16],nwKey[128],membersKey[128];
+ Dictionary networkRecord;
+
+ Utils::snprintf(nwids,sizeof(nwids),"%.16llx",(unsigned long long)nwid);
+ Utils::snprintf(addrs,sizeof(addrs),"%.10llx",(unsigned long long)member.address().toInt());
+ Utils::snprintf(memberKey,sizeof(memberKey),"zt1:network:%s:member:%s:~",nwids,addrs);
+ Utils::snprintf(nwKey,sizeof(nwKey),"zt1:network:%s:~",nwids);
+ Utils::snprintf(membersKey,sizeof(membersKey),"zt1:network:%s:members",nwids);
+
+ if (!_hgetall(nwKey,networkRecord)) {
+ //LOG("netconf: Redis error retrieving %s",nwKey);
+ return false;
+ }
+ if (networkRecord.get("id","") != nwids) {
+ //TRACE("netconf: network %s not found (initNewMember)",nwids);
+ return false;
+ }
+
+ memberRecord.clear();
+ memberRecord["id"] = addrs;
+ memberRecord["nwid"] = nwids;
+ memberRecord["authorized"] = ((networkRecord.get("private","1") == "0") ? "1" : "0"); // auto-authorize on public networks
+ memberRecord.set("firstSeen",Utils::now());
+ memberRecord["identity"] = member.toString(false);
+
+ if (!_hmset(memberKey,memberRecord))
+ return false;
+ if (!_sadd(membersKey,addrs))
+ return false;
+
+ return true;
+}
+
+bool RedisNetworkConfigMaster::_generateNetconf(uint64_t nwid,const Identity &member,const Dictionary &metaData,Dictionary &netconf,uint64_t &ts,std::string &errorMessage)
+{
+ char memberKey[256],nwids[24],addrs[16],tss[24],nwKey[256],revKey[128],abKey[128],ipaKey[128];
+ Dictionary networkRecord,memberRecord;
+ std::string revision;
+
+ Utils::snprintf(memberKey,sizeof(memberKey),"zt1:network:%s:member:%s:~",nwids,addrs);
+ Utils::snprintf(nwids,sizeof(nwids),"%.16llx",(unsigned long long)nwid);
+ Utils::snprintf(addrs,sizeof(addrs),"%.10llx",(unsigned long long)member.address().toInt());
+ Utils::snprintf(nwKey,sizeof(nwKey),"zt1:network:%s:~",nwids);
+ Utils::snprintf(revKey,sizeof(revKey),"zt1:network:%s:revision",nwids);
+ Utils::snprintf(abKey,sizeof(revKey),"zt1:network:%s:activeBridges",nwids);
+ Utils::snprintf(ipaKey,sizeof(revKey),"zt1:network:%s:ipAssignments",nwids);
+
+ if (!_hgetall(nwKey,networkRecord)) {
+ errorMessage = "Redis error retrieving network record";
+ return false;
+ }
+ if (networkRecord.get("id","") != nwids) {
+ errorMessage = "network IDs do not match in database";
+ return false;
+ }
+
+ if (!_hgetall(memberKey,memberRecord)) {
+ errorMessage = "Redis error retrieving member record";
+ return false;
+ }
+
+ if (!_get(revKey,revision)) {
+ errorMessage = "Redis error retrieving network revision";
+ return false;
+ }
+ if (!revision.length())
+ revision = "0";
+
+ bool isPrivate = networkRecord.getBoolean("private",true);
+ ts = Utils::now();
+ Utils::snprintf(tss,sizeof(tss),"%llx",ts);
+
+ // Core configuration
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_TIMESTAMP] = tss;
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_NETWORK_ID] = nwids;
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_ISSUED_TO] = addrs;
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_PRIVATE] = isPrivate ? "1" : "0";
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_NAME] = networkRecord.get("name",nwids);
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_DESC] = networkRecord.get("desc","");
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_ENABLE_BROADCAST] = networkRecord.getBoolean("enableBroadcast",true) ? "1" : "0";
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_ALLOW_PASSIVE_BRIDGING] = networkRecord.getBoolean("allowPassiveBridging",false) ? "1" : "0";
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_ALLOWED_ETHERNET_TYPES] = networkRecord.get("etherTypes",""); // these are stored as hex comma-delimited list
+
+ // Multicast options
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_MULTICAST_RATES] = networkRecord.get("multicastRates","");
+ uint64_t ml = networkRecord.getHexUInt("multicastLimit",0);
+ if (ml > 0)
+ netconf.setHex(ZT_NETWORKCONFIG_DICT_KEY_MULTICAST_LIMIT,ml);
+
+ // Active bridge configuration
+ {
+ std::string activeBridgeList;
+ std::vector<std::string> activeBridgeSet;
+ if (!_smembers(abKey,activeBridgeSet)) {
+ errorMessage = "Redis error retrieving active bridge set";
+ return false;
+ }
+ std::sort(activeBridgeSet.begin(),activeBridgeSet.end());
+ for(std::vector<std::string>::const_iterator i(activeBridgeSet.begin());i!=activeBridgeSet.end();++i) {
+ if (i->length() == 10) {
+ if (activeBridgeList.length() > 0)
+ activeBridgeList.push_back(',');
+ activeBridgeList.append(*i);
+ }
+ }
+ if (activeBridgeList.length() > 0)
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_ACTIVE_BRIDGES] = activeBridgeList;
+ }
+
+ // IP address assignment and auto-assign using the ZeroTier-internal mechanism (not DHCP, etc.)
+ {
+ std::string ipAssignments(memberRecord.get("ipAssignments",""));
+
+ // Get sorted, separated lists of IPv4 and IPv6 IP address assignments already present
+ std::vector<InetAddress> ip4s,ip6s;
+ {
+ std::vector<std::string> ips(Utils::split(ipAssignments.c_str(),",","",""));
+ for(std::vector<std::string>::iterator i(ips.begin());i!=ips.end();++i) {
+ InetAddress a(*i);
+ if (a.isV4())
+ ip4s.push_back(a);
+ else if (a.isV6())
+ ip6s.push_back(a);
+ }
+ }
+ std::sort(ip4s.begin(),ip4s.end());
+ std::unique(ip4s.begin(),ip4s.end());
+ std::sort(ip6s.begin(),ip6s.end());
+ std::unique(ip6s.begin(),ip6s.end());
+
+ // If IPv4 assignment mode is 'zt', send them to the client
+ if (networkRecord.get("v4AssignMode","") == "zt") {
+ // If we have no IPv4 addresses and we have an assignment pool, auto-assign
+ if (ip4s.empty()) {
+ InetAddress v4AssignPool(networkRecord.get("v4AssignPool",""));
+ uint32_t pnet = Utils::ntoh(*((const uint32_t *)v4AssignPool.rawIpData()));
+ unsigned int pbits = v4AssignPool.netmaskBits();
+
+ if ((v4AssignPool.isV4())&&(pbits > 0)&&(pbits < 32)&&(pnet != 0)) {
+ uint32_t pmask = 0xffffffff << (32 - pbits); // netmask over network part
+ uint32_t invmask = ~pmask; // netmask over "random" part
+
+ // Begin exploring the IP space by generating an IP from the ZeroTier address
+ uint32_t first = (((uint32_t)(member.address().toInt() & 0xffffffffULL)) & invmask) | (pnet & pmask);
+ if ((first & 0xff) == 0)
+ first |= 1;
+ else if ((first & 0xff) == 0xff)
+ first &= 0xfe;
+
+ // Start by trying this first IP
+ uint32_t abcd = first;
+
+ InetAddress ip;
+ bool gotone = false;
+ unsigned long sanityCounter = 0;
+ do {
+ // Convert to IPv4 InetAddress
+ uint32_t abcdNetworkByteOrder = Utils::hton(abcd);
+ ip.set(&abcdNetworkByteOrder,4,pbits);
+
+ // Is 'ip' already assigned to another node?
+ std::string assignment;
+ if (!_hget(ipaKey,ip.toString().c_str(),assignment)) {
+ errorMessage = "Redis error while checking IP allocation";
+ return false;
+ }
+ if ((assignment.length() != 10)||(assignment == member.address().toString())) {
+ gotone = true;
+ break; // not taken!
+ }
+
+ // If we made it here, the IP was taken so increment and mask and try again
+ ++abcd;
+ abcd &= invmask;
+ abcd |= (pnet & pmask);
+ if ((abcd & 0xff) == 0)
+ abcd |= 1;
+ else if ((abcd & 0xff) == 0xff)
+ abcd &= 0xfe;
+
+ // Don't spend insane amounts of time here -- if we have to try this hard, the user
+ // needs to allocate a larger IP block.
+ if (++sanityCounter >= 65535)
+ break;
+ } while (abcd != first); // keep going until we loop back around to 'first'
+
+ // If we got one, add to IP list and claim in database
+ if (gotone) {
+ ip4s.push_back(ip);
+ _hset(ipaKey,ip.toString().c_str(),member.address().toString().c_str());
+ if (ipAssignments.length() > 0)
+ ipAssignments.push_back(',');
+ ipAssignments.append(ip.toString());
+ _hset(memberKey,"ipAssignments",ipAssignments.c_str());
+ } else {
+ char tmp[1024];
+ Utils::snprintf(tmp,sizeof(tmp),"failed to allocate IP in %s for %s in network %s, need a larger pool!",v4AssignPool.toString().c_str(),addrs,nwids);
+ errorMessage = tmp;
+ return false;
+ }
+ }
+ }
+
+ // Create comma-delimited list to send to client
+ std::string v4s;
+ for(std::vector<InetAddress>::iterator i(ip4s.begin());i!=ip4s.end();++i) {
+ if (v4s.length() > 0)
+ v4s.push_back(',');
+ v4s.append(i->toString());
+ }
+ if (v4s.length())
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_IPV4_STATIC] = v4s;
+ }
+
+ if (networkRecord.get("v6AssignMode","") == "zt") {
+ // TODO: IPv6 auto-assign ... not quite baked yet. :)
+
+ std::string v6s;
+ for(std::vector<InetAddress>::iterator i(ip6s.begin());i!=ip6s.end();++i) {
+ if (v6s.length() > 0)
+ v6s.push_back(',');
+ v6s.append(i->toString());
+ }
+ if (v6s.length())
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_IPV6_STATIC] = v6s;
+ }
+ }
+
+ // If this is a private network, generate a signed certificate of membership
+ if (isPrivate) {
+ CertificateOfMembership com(Utils::strToU64(revision.c_str()),1,nwid,member.address());
+ if (com.sign(_signingId)) // basically can't fail unless our identity is invalid
+ netconf[ZT_NETWORKCONFIG_DICT_KEY_CERTIFICATE_OF_MEMBERSHIP] = com.toString();
+ else {
+ errorMessage = "unable to sign COM";
+ return false;
+ }
+ }
+
+ // Sign netconf dictionary itself
+ if (!netconf.sign(_signingId)) {
+ errorMessage = "unable to sign netconf dictionary";
+ return false;
+ }
+
+ // Record new netconf in database for re-use on subsequent repeat queries
+ {
+ Dictionary upd;
+ upd["netconf"] = netconf.toString();
+ upd.set("netconfTimestamp",ts);
+ upd["netconfRevision"] = revision;
+ if (!_hmset(memberKey,upd)) {
+ errorMessage = "Redis error updating network record with new netconf dictionary";
+ return false;
+ }
+ }
+
+ return true;
+}
+
+} // namespace ZeroTier