/* * 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 . */ #include #include #include #include #include #include #include #include #include #include #include #include #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 8 // Min duration between requests for an address/nwid combo to prevent floods #define ZT_NETCONF_MIN_REQUEST_PERIOD 1000 // Nodes are considered active if they've queried in less than this long #define ZT_NETCONF_NODE_ACTIVE_THRESHOLD ((ZT_NETWORK_AUTOCONF_DELAY * 2) + 5000) namespace ZeroTier { static json _renderRule(ZT_VirtualNetworkRule &rule) { char tmp[128]; json r = json::object(); r["not"] = ((rule.t & 0x80) != 0); switch((rule.t) & 0x7f) { 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["zt"] = Address(rule.v.zt).toString(); break; case ZT_NETWORK_RULE_ACTION_REDIRECT: r["type"] = "ACTION_REDIRECT"; r["zt"] = Address(rule.v.zt).toString(); break; 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"] = (uint64_t)rule.v.vlanId; break; case ZT_NETWORK_RULE_MATCH_VLAN_PCP: r["type"] = "MATCH_VLAN_PCP"; r["vlanPcp"] = (uint64_t)rule.v.vlanPcp; break; case ZT_NETWORK_RULE_MATCH_VLAN_DEI: r["type"] = "MATCH_VLAN_DEI"; r["vlanDei"] = (uint64_t)rule.v.vlanDei; break; case ZT_NETWORK_RULE_MATCH_ETHERTYPE: r["type"] = "MATCH_ETHERTYPE"; r["etherType"] = (uint64_t)rule.v.etherType; 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["ipTos"] = (uint64_t)rule.v.ipTos; break; case ZT_NETWORK_RULE_MATCH_IP_PROTOCOL: r["type"] = "MATCH_IP_PROTOCOL"; r["ipProtocol"] = (uint64_t)rule.v.ipProtocol; break; case ZT_NETWORK_RULE_MATCH_IP_SOURCE_PORT_RANGE: r["type"] = "MATCH_IP_SOURCE_PORT_RANGE"; r["start"] = (uint64_t)rule.v.port[0]; r["end"] = (uint64_t)rule.v.port[1]; break; case ZT_NETWORK_RULE_MATCH_IP_DEST_PORT_RANGE: r["type"] = "MATCH_IP_DEST_PORT_RANGE"; r["start"] = (uint64_t)rule.v.port[0]; r["end"] = (uint64_t)rule.v.port[1]; break; case ZT_NETWORK_RULE_MATCH_CHARACTERISTICS: r["type"] = "MATCH_CHARACTERISTICS"; Utils::snprintf(tmp,sizeof(tmp),"%.16llx",rule.v.characteristics[0]); r["mask"] = tmp; Utils::snprintf(tmp,sizeof(tmp),"%.16llx",rule.v.characteristics[1]); r["value"] = tmp; break; case ZT_NETWORK_RULE_MATCH_FRAME_SIZE_RANGE: r["type"] = "MATCH_FRAME_SIZE_RANGE"; r["start"] = (uint64_t)rule.v.frameSize[0]; r["end"] = (uint64_t)rule.v.frameSize[1]; break; case ZT_NETWORK_RULE_MATCH_TAGS_SAMENESS: r["type"] = "MATCH_TAGS_SAMENESS"; r["id"] = (uint64_t)rule.v.tag.id; r["value"] = (uint64_t)rule.v.tag.value; break; case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_AND: r["type"] = "MATCH_TAGS_BITWISE_AND"; r["id"] = (uint64_t)rule.v.tag.id; r["value"] = (uint64_t)rule.v.tag.value; break; case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_OR: r["type"] = "MATCH_TAGS_BITWISE_OR"; r["id"] = (uint64_t)rule.v.tag.id; r["value"] = (uint64_t)rule.v.tag.value; break; case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_XOR: r["type"] = "MATCH_TAGS_BITWISE_XOR"; r["id"] = (uint64_t)rule.v.tag.id; r["value"] = (uint64_t)rule.v.tag.value; break; } return r; } static bool _parseRule(const json &r,ZT_VirtualNetworkRule &rule) { if (r.is_object()) return false; std::string t = r["type"]; memset(&rule,0,sizeof(ZT_VirtualNetworkRule)); if (r.value("not",false)) rule.t = 0x80; else rule.t = 0x00; 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.zt = Utils::hexStrToU64(r.value("zt","0").c_str()) & 0xffffffffffULL; return true; } else if (t == "ACTION_REDIRECT") { rule.t |= ZT_NETWORK_RULE_ACTION_REDIRECT; rule.v.zt = Utils::hexStrToU64(r.value("zt","0").c_str()) & 0xffffffffffULL; return true; } else if (t == "MATCH_SOURCE_ZEROTIER_ADDRESS") { rule.t |= ZT_NETWORK_RULE_MATCH_SOURCE_ZEROTIER_ADDRESS; rule.v.zt = Utils::hexStrToU64(r.value("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(r.value("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)(r.value("vlanId",0ULL) & 0xffffULL); return true; } else if (t == "MATCH_VLAN_PCP") { rule.t |= ZT_NETWORK_RULE_MATCH_VLAN_PCP; rule.v.vlanPcp = (uint8_t)(r.value("vlanPcp",0ULL) & 0xffULL); return true; } else if (t == "MATCH_VLAN_DEI") { rule.t |= ZT_NETWORK_RULE_MATCH_VLAN_DEI; rule.v.vlanDei = (uint8_t)(r.value("vlanDei",0ULL) & 0xffULL); return true; } else if (t == "MATCH_ETHERTYPE") { rule.t |= ZT_NETWORK_RULE_MATCH_ETHERTYPE; rule.v.etherType = (uint16_t)(r.value("etherType",0ULL) & 0xffffULL); return true; } else if (t == "MATCH_MAC_SOURCE") { rule.t |= ZT_NETWORK_RULE_MATCH_MAC_SOURCE; const std::string mac(r.value("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(r.value("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(r.value("ip","0.0.0.0")); rule.v.ipv4.ip = reinterpret_cast(&ip)->sin_addr.s_addr; rule.v.ipv4.mask = Utils::ntoh(reinterpret_cast(&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(r.value("ip","0.0.0.0")); rule.v.ipv4.ip = reinterpret_cast(&ip)->sin_addr.s_addr; rule.v.ipv4.mask = Utils::ntoh(reinterpret_cast(&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(r.value("ip","::0")); memcpy(rule.v.ipv6.ip,reinterpret_cast(&ip)->sin6_addr.s6_addr,16); rule.v.ipv6.mask = Utils::ntoh(reinterpret_cast(&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(r.value("ip","::0")); memcpy(rule.v.ipv6.ip,reinterpret_cast(&ip)->sin6_addr.s6_addr,16); rule.v.ipv6.mask = Utils::ntoh(reinterpret_cast(&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 = (uint8_t)(r.value("ipTos",0ULL) & 0xffULL); return true; } else if (t == "MATCH_IP_PROTOCOL") { rule.t |= ZT_NETWORK_RULE_MATCH_IP_PROTOCOL; rule.v.ipProtocol = (uint8_t)(r.value("ipProtocol",0ULL) & 0xffULL); 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)(r.value("start",0ULL) & 0xffffULL); rule.v.port[1] = (uint16_t)(r.value("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)(r.value("start",0ULL) & 0xffffULL); rule.v.port[1] = (uint16_t)(r.value("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")) { auto v = r["mask"]; if (v.is_number()) { rule.v.characteristics[0] = v; } else { std::string tmp = v; rule.v.characteristics[0] = Utils::hexStrToU64(tmp.c_str()); } } if (r.count("value")) { auto v = r["value"]; if (v.is_number()) { rule.v.characteristics[1] = v; } else { std::string tmp = v; rule.v.characteristics[1] = 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)(r.value("start",0ULL) & 0xffffULL); rule.v.frameSize[1] = (uint16_t)(r.value("end",(uint64_t)rule.v.frameSize[0]) & 0xffffULL); return true; } else if (t == "MATCH_TAGS_SAMENESS") { rule.t |= ZT_NETWORK_RULE_MATCH_TAGS_SAMENESS; rule.v.tag.id = (uint32_t)(r.value("id",0ULL) & 0xffffffffULL); rule.v.tag.value = (uint32_t)(r.value("value",0ULL) & 0xffffffffULL); return true; } else if (t == "MATCH_TAGS_BITWISE_AND") { rule.t |= ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_AND; rule.v.tag.id = (uint32_t)(r.value("id",0ULL) & 0xffffffffULL); rule.v.tag.value = (uint32_t)(r.value("value",0ULL) & 0xffffffffULL); return true; } else if (t == "MATCH_TAGS_BITWISE_OR") { rule.t |= ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_OR; rule.v.tag.id = (uint32_t)(r.value("id",0ULL) & 0xffffffffULL); rule.v.tag.value = (uint32_t)(r.value("value",0ULL) & 0xffffffffULL); return true; } else if (t == "MATCH_TAGS_BITWISE_XOR") { rule.t |= ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_XOR; rule.v.tag.id = (uint32_t)(r.value("id",0ULL) & 0xffffffffULL); rule.v.tag.value = (uint32_t)(r.value("value",0ULL) & 0xffffffffULL); return true; } return false; } EmbeddedNetworkController::EmbeddedNetworkController(Node *node,const char *dbPath) : _node(node), _path(dbPath) { OSUtils::mkdir(dbPath); /* if (sqlite3_open_v2(dbPath,&_db,SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE,(const char *)0) != SQLITE_OK) throw std::runtime_error("SqliteNetworkController cannot open database file"); sqlite3_busy_timeout(_db,10000); sqlite3_exec(_db,"PRAGMA synchronous = OFF",0,0,0); sqlite3_exec(_db,"PRAGMA journal_mode = MEMORY",0,0,0); sqlite3_stmt *s = (sqlite3_stmt *)0; if ((sqlite3_prepare_v2(_db,"SELECT v FROM Config WHERE k = 'schemaVersion';",-1,&s,(const char **)0) == SQLITE_OK)&&(s)) { int schemaVersion = -1234; if (sqlite3_step(s) == SQLITE_ROW) { schemaVersion = sqlite3_column_int(s,0); } sqlite3_finalize(s); if (schemaVersion == -1234) { sqlite3_close(_db); throw std::runtime_error("SqliteNetworkController schemaVersion not found in Config table (init failure?)"); } if (schemaVersion < 2) { // Create NodeHistory table to upgrade from version 1 to version 2 if (sqlite3_exec(_db, "CREATE TABLE NodeHistory (\n" " nodeId char(10) NOT NULL REFERENCES Node(id) ON DELETE CASCADE,\n" " networkId char(16) NOT NULL REFERENCES Network(id) ON DELETE CASCADE,\n" " networkVisitCounter INTEGER NOT NULL DEFAULT(0),\n" " networkRequestAuthorized INTEGER NOT NULL DEFAULT(0),\n" " requestTime INTEGER NOT NULL DEFAULT(0),\n" " clientMajorVersion INTEGER NOT NULL DEFAULT(0),\n" " clientMinorVersion INTEGER NOT NULL DEFAULT(0),\n" " clientRevision INTEGER NOT NULL DEFAULT(0),\n" " networkRequestMetaData VARCHAR(1024),\n" " fromAddress VARCHAR(128)\n" ");\n" "CREATE INDEX NodeHistory_nodeId ON NodeHistory (nodeId);\n" "CREATE INDEX NodeHistory_networkId ON NodeHistory (networkId);\n" "CREATE INDEX NodeHistory_requestTime ON NodeHistory (requestTime);\n" "UPDATE \"Config\" SET \"v\" = 2 WHERE \"k\" = 'schemaVersion';\n" ,0,0,0) != SQLITE_OK) { char err[1024]; Utils::snprintf(err,sizeof(err),"SqliteNetworkController cannot upgrade the database to version 2: %s",sqlite3_errmsg(_db)); sqlite3_close(_db); throw std::runtime_error(err); } else { schemaVersion = 2; } } if (schemaVersion < 3) { // Create Route table to upgrade from version 2 to version 3 and migrate old // data. Also delete obsolete Gateway table that was never actually used, and // migrate Network flags to a bitwise flags field instead of ASCII cruft. if (sqlite3_exec(_db, "DROP TABLE Gateway;\n" "CREATE TABLE Route (\n" " networkId char(16) NOT NULL REFERENCES Network(id) ON DELETE CASCADE,\n" " target blob(16) NOT NULL,\n" " via blob(16),\n" " targetNetmaskBits integer NOT NULL,\n" " ipVersion integer NOT NULL,\n" " flags integer NOT NULL,\n" " metric integer NOT NULL\n" ");\n" "CREATE INDEX Route_networkId ON Route (networkId);\n" "INSERT INTO Route SELECT DISTINCT networkId,\"ip\" AS \"target\",NULL AS \"via\",ipNetmaskBits AS targetNetmaskBits,ipVersion,0 AS \"flags\",0 AS \"metric\" FROM IpAssignment WHERE nodeId IS NULL AND \"type\" = 1;\n" "ALTER TABLE Network ADD COLUMN \"flags\" integer NOT NULL DEFAULT(0);\n" "UPDATE Network SET \"flags\" = (\"flags\" | 1) WHERE v4AssignMode = 'zt';\n" "UPDATE Network SET \"flags\" = (\"flags\" | 2) WHERE v6AssignMode = 'rfc4193';\n" "UPDATE Network SET \"flags\" = (\"flags\" | 4) WHERE v6AssignMode = '6plane';\n" "ALTER TABLE Member ADD COLUMN \"flags\" integer NOT NULL DEFAULT(0);\n" "DELETE FROM IpAssignment WHERE nodeId IS NULL AND \"type\" = 1;\n" "UPDATE \"Config\" SET \"v\" = 3 WHERE \"k\" = 'schemaVersion';\n" ,0,0,0) != SQLITE_OK) { char err[1024]; Utils::snprintf(err,sizeof(err),"SqliteNetworkController cannot upgrade the database to version 3: %s",sqlite3_errmsg(_db)); sqlite3_close(_db); throw std::runtime_error(err); } else { schemaVersion = 3; } } if (schemaVersion < 4) { // Turns out this was overkill and a huge performance drag. Will be revisiting this // more later but for now a brief snapshot of recent history stored in Member is fine. // Also prepare for implementation of proof of work requests. if (sqlite3_exec(_db, "DROP TABLE NodeHistory;\n" "ALTER TABLE Member ADD COLUMN lastRequestTime integer NOT NULL DEFAULT(0);\n" "ALTER TABLE Member ADD COLUMN lastPowDifficulty integer NOT NULL DEFAULT(0);\n" "ALTER TABLE Member ADD COLUMN lastPowTime integer NOT NULL DEFAULT(0);\n" "ALTER TABLE Member ADD COLUMN recentHistory blob;\n" "CREATE INDEX Member_networkId_lastRequestTime ON Member(networkId, lastRequestTime);\n" "UPDATE \"Config\" SET \"v\" = 4 WHERE \"k\" = 'schemaVersion';\n" ,0,0,0) != SQLITE_OK) { char err[1024]; Utils::snprintf(err,sizeof(err),"SqliteNetworkController cannot upgrade the database to version 3: %s",sqlite3_errmsg(_db)); sqlite3_close(_db); throw std::runtime_error(err); } else { schemaVersion = 4; } } if (schemaVersion < 5) { // Upgrade old rough draft Rule table to new release format if (sqlite3_exec(_db, "DROP TABLE Relay;\n" "DROP INDEX Rule_networkId_ruleNo;\n" "ALTER TABLE \"Rule\" RENAME TO RuleOld;\n" "CREATE TABLE Rule (\n" " networkId char(16) NOT NULL REFERENCES Network(id) ON DELETE CASCADE,\n" " capId integer,\n" " ruleNo integer NOT NULL,\n" " ruleType integer NOT NULL DEFAULT(0),\n" " \"addr\" blob(16),\n" " \"int1\" integer,\n" " \"int2\" integer,\n" " \"int3\" integer,\n" " \"int4\" integer\n" ");\n" "INSERT INTO \"Rule\" SELECT networkId,(ruleNo*2) AS ruleNo,37 AS \"ruleType\",etherType AS \"int1\" FROM RuleOld WHERE RuleOld.etherType IS NOT NULL AND RuleOld.etherType > 0;\n" "INSERT INTO \"Rule\" SELECT networkId,((ruleNo*2)+1) AS ruleNo,1 AS \"ruleType\" FROM RuleOld;\n" "DROP TABLE RuleOld;\n" "CREATE INDEX Rule_networkId_capId ON Rule (networkId,capId);\n" "CREATE TABLE MemberTC (\n" " networkId char(16) NOT NULL REFERENCES Network(id) ON DELETE CASCADE,\n" " nodeId char(10) NOT NULL REFERENCES Node(id) ON DELETE CASCADE,\n" " tagId integer,\n" " tagValue integer,\n" " capId integer,\n" " capMaxCustodyChainLength integer NOT NULL DEFAULT(1)\n" ");\n" "CREATE INDEX MemberTC_networkId_nodeId ON MemberTC (networkId,nodeId);\n" "UPDATE \"Config\" SET \"v\" = 5 WHERE \"k\" = 'schemaVersion';\n" ,0,0,0) != SQLITE_OK) { char err[1024]; Utils::snprintf(err,sizeof(err),"SqliteNetworkController cannot upgrade the database to version 3: %s",sqlite3_errmsg(_db)); sqlite3_close(_db); throw std::runtime_error(err); } else { schemaVersion = 5; } } if (schemaVersion != ZT_NETCONF_SQLITE_SCHEMA_VERSION) { sqlite3_close(_db); throw std::runtime_error("SqliteNetworkController database schema version mismatch"); } } else { // Prepare statement will fail if Config table doesn't exist, which means our DB // needs to be initialized. if (sqlite3_exec(_db,ZT_NETCONF_SCHEMA_SQL"INSERT INTO Config (k,v) VALUES ('schemaVersion',"ZT_NETCONF_SQLITE_SCHEMA_VERSION_STR");",0,0,0) != SQLITE_OK) { char err[1024]; Utils::snprintf(err,sizeof(err),"SqliteNetworkController cannot initialize database and/or insert schemaVersion into Config table: %s",sqlite3_errmsg(_db)); sqlite3_close(_db); throw std::runtime_error(err); } } if ( (sqlite3_prepare_v2(_db,"SELECT name,private,enableBroadcast,allowPassiveBridging,\"flags\",multicastLimit,creationTime,revision,memberRevisionCounter,(SELECT COUNT(1) FROM Member WHERE Member.networkId = Network.id AND Member.authorized > 0) FROM Network WHERE id = ?",-1,&_sGetNetworkById,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT revision FROM Network WHERE id = ?",-1,&_sGetNetworkRevision,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"UPDATE Network SET revision = ? WHERE id = ?",-1,&_sSetNetworkRevision,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"INSERT INTO Network (id,name,creationTime,revision) VALUES (?,?,?,1)",-1,&_sCreateNetwork,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"DELETE FROM Network WHERE id = ?",-1,&_sDeleteNetwork,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT id FROM Network ORDER BY id ASC",-1,&_sListNetworks,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"UPDATE Network SET memberRevisionCounter = (memberRevisionCounter + 1) WHERE id = ?",-1,&_sIncrementMemberRevisionCounter,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT identity FROM Node WHERE id = ?",-1,&_sGetNodeIdentity,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"INSERT OR REPLACE INTO Node (id,identity) VALUES (?,?)",-1,&_sCreateOrReplaceNode,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"INSERT INTO Rule (networkId,ruleNo,nodeId,ztSource,ztDest,vlanId,vlanPcp,vlanDei,) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)",-1,&_sCreateRule,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT ruleNo,nodeId,sourcePort,destPort,vlanId,vlanPcp,etherType,macSource,macDest,ipSource,ipDest,ipTos,ipProtocol,ipSourcePort,ipDestPort,\"flags\",invFlags,\"action\" FROM Rule WHERE networkId = ? ORDER BY ruleNo ASC",-1,&_sListRules,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"DELETE FROM Rule WHERE networkId = ?",-1,&_sDeleteRulesForNetwork,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT ipRangeStart,ipRangeEnd FROM IpAssignmentPool WHERE networkId = ? AND ipVersion = ?",-1,&_sGetIpAssignmentPools,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT ipRangeStart,ipRangeEnd,ipVersion FROM IpAssignmentPool WHERE networkId = ? ORDER BY ipRangeStart ASC",-1,&_sGetIpAssignmentPools2,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"INSERT INTO IpAssignmentPool (networkId,ipRangeStart,ipRangeEnd,ipVersion) VALUES (?,?,?,?)",-1,&_sCreateIpAssignmentPool,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"DELETE FROM IpAssignmentPool WHERE networkId = ?",-1,&_sDeleteIpAssignmentPoolsForNetwork,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT ip,ipNetmaskBits,ipVersion FROM IpAssignment WHERE networkId = ? AND nodeId = ? AND \"type\" = 0 ORDER BY ip ASC",-1,&_sGetIpAssignmentsForNode,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT 1 FROM IpAssignment WHERE networkId = ? AND ip = ? AND ipVersion = ? AND \"type\" = ?",-1,&_sCheckIfIpIsAllocated,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"INSERT INTO IpAssignment (networkId,nodeId,\"type\",ip,ipNetmaskBits,ipVersion) VALUES (?,?,?,?,?,?)",-1,&_sAllocateIp,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"DELETE FROM IpAssignment WHERE networkId = ? AND nodeId = ? AND \"type\" = ?",-1,&_sDeleteIpAllocations,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT rowid,authorized,activeBridge,memberRevision,\"flags\",lastRequestTime,recentHistory FROM Member WHERE networkId = ? AND nodeId = ?",-1,&_sGetMember,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT m.authorized,m.activeBridge,m.memberRevision,n.identity,m.flags,m.lastRequestTime,m.recentHistory FROM Member AS m LEFT OUTER JOIN Node AS n ON n.id = m.nodeId WHERE m.networkId = ? AND m.nodeId = ?",-1,&_sGetMember2,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"INSERT INTO Member (networkId,nodeId,authorized,activeBridge,memberRevision) VALUES (?,?,?,0,(SELECT memberRevisionCounter FROM Network WHERE id = ?))",-1,&_sCreateMember,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT nodeId FROM Member WHERE networkId = ? AND activeBridge > 0 AND authorized > 0",-1,&_sGetActiveBridges,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT m.nodeId,m.memberRevision FROM Member AS m WHERE m.networkId = ? ORDER BY m.nodeId ASC",-1,&_sListNetworkMembers,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"UPDATE Member SET authorized = ?,memberRevision = (SELECT memberRevisionCounter FROM Network WHERE id = ?) WHERE rowid = ?",-1,&_sUpdateMemberAuthorized,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"UPDATE Member SET activeBridge = ?,memberRevision = (SELECT memberRevisionCounter FROM Network WHERE id = ?) WHERE rowid = ?",-1,&_sUpdateMemberActiveBridge,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"UPDATE Member SET \"lastRequestTime\" = ?, \"recentHistory\" = ? WHERE rowid = ?",-1,&_sUpdateMemberHistory,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"DELETE FROM Member WHERE networkId = ? AND nodeId = ?",-1,&_sDeleteMember,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"DELETE FROM Member WHERE networkId = ?",-1,&_sDeleteAllNetworkMembers,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT nodeId,recentHistory FROM Member WHERE networkId = ? AND lastRequestTime >= ?",-1,&_sGetActiveNodesOnNetwork,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"INSERT INTO Route (networkId,target,via,targetNetmaskBits,ipVersion,flags,metric) VALUES (?,?,?,?,?,?,?)",-1,&_sCreateRoute,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT DISTINCT target,via,targetNetmaskBits,ipVersion,flags,metric FROM \"Route\" WHERE networkId = ? ORDER BY ipVersion,target,via",-1,&_sGetRoutes,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"DELETE FROM \"Route\" WHERE networkId = ?",-1,&_sDeleteRoutes,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"SELECT \"v\" FROM \"Config\" WHERE \"k\" = ?",-1,&_sGetConfig,(const char **)0) != SQLITE_OK) ||(sqlite3_prepare_v2(_db,"INSERT OR REPLACE INTO \"Config\" (\"k\",\"v\") VALUES (?,?)",-1,&_sSetConfig,(const char **)0) != SQLITE_OK) ) { std::string err(std::string("SqliteNetworkController unable to initialize one or more prepared statements: ") + sqlite3_errmsg(_db)); sqlite3_close(_db); throw std::runtime_error(err); } sqlite3_reset(_sGetConfig); sqlite3_bind_text(_sGetConfig,1,"instanceId",10,SQLITE_STATIC); if (sqlite3_step(_sGetConfig) != SQLITE_ROW) { unsigned char sr[32]; Utils::getSecureRandom(sr,32); for(unsigned int i=0;i<32;++i) _instanceId.push_back("0123456789abcdef"[(unsigned int)sr[i] & 0xf]); sqlite3_reset(_sSetConfig); sqlite3_bind_text(_sSetConfig,1,"instanceId",10,SQLITE_STATIC); sqlite3_bind_text(_sSetConfig,2,_instanceId.c_str(),-1,SQLITE_STATIC); if (sqlite3_step(_sSetConfig) != SQLITE_DONE) throw std::runtime_error("SqliteNetworkController unable to read or initialize instanceId"); } else { const char *iid = reinterpret_cast(sqlite3_column_text(_sGetConfig,0)); if (!iid) throw std::runtime_error("SqliteNetworkController unable to read instanceId (it's NULL)"); _instanceId = iid; } #ifdef ZT_NETCONF_SQLITE_TRACE sqlite3_trace(_db,sqliteTraceFunc,(void *)0); #endif _backupThread = Thread::start(this); */ } EmbeddedNetworkController::~EmbeddedNetworkController() { } NetworkController::ResultCode EmbeddedNetworkController::doNetworkConfigRequest(const InetAddress &fromAddr,const Identity &signingId,const Identity &identity,uint64_t nwid,const Dictionary &metaData,NetworkConfig &nc) { if (((!signingId)||(!signingId.hasPrivate()))||(signingId.address().toInt() != (nwid >> 24))) { return NetworkController::NETCONF_QUERY_INTERNAL_SERVER_ERROR; } const uint64_t now = OSUtils::now(); // Check rate limit circuit breaker to prevent flooding { Mutex::Lock _l(_lastRequestTime_m); uint64_t &lrt = _lastRequestTime[std::pair(identity.address().toInt(),nwid)]; if ((now - lrt) <= ZT_NETCONF_MIN_REQUEST_PERIOD) return NetworkController::NETCONF_QUERY_IGNORE; lrt = now; } json network(_readJson(_networkJP(nwid,false))); if (!network.size()) return NetworkController::NETCONF_QUERY_OBJECT_NOT_FOUND; const std::string memberJP(_memberJP(nwid,identity.address(),false)); json member(_readJson(memberJP)); { std::string haveIdStr = member.value("identity",""); if (haveIdStr.length() > 0) { try { if (Identity(haveIdStr.c_str()) != identity) return NetworkController::NETCONF_QUERY_ACCESS_DENIED; } catch ( ... ) { return NetworkController::NETCONF_QUERY_ACCESS_DENIED; } } else { member["identity"] = identity.toString(false); } } // Make sure these are always present no matter what, and increment member revision since we will always at least log something member["id"] = identity.address().toString(); member["address"] = member["id"]; member["nwid"] = network["id"]; member["memberRevision"] = member.value("memberRevision",0ULL) + 1; // Update member log { json rlEntry = json::object(); rlEntry["ts"] = now; rlEntry["authorized"] = member["authorized"]; rlEntry["clientMajorVersion"] = metaData.getUI(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_NODE_MAJOR_VERSION,0); rlEntry["clientMinorVersion"] = metaData.getUI(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_NODE_MINOR_VERSION,0); rlEntry["clientRevision"] = metaData.getUI(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_NODE_REVISION,0); rlEntry["clientProtocolVersion"] = metaData.getUI(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_PROTOCOL_VERSION,0); if (fromAddr) rlEntry["fromAddr"] = fromAddr.toString(); json recentLog = json::array(); recentLog.push_back(rlEntry); auto oldLog = member["recentLog"]; if (oldLog.is_array()) { for(unsigned long i=0;i= ZT_NETCONF_DB_MEMBER_HISTORY_LENGTH) break; } } member["recentLog"] = recentLog; } // Stop if network is private and member is not authorized if ( (network.value("private",true)) && (!member.value("authorized",false)) ) { bool authenticatedViaToken = false; char atok[256]; if (metaData.get(ZT_NETWORKCONFIG_REQUEST_METADATA_KEY_AUTH_TOKEN,atok,sizeof(atok)) > 0) { atok[255] = (char)0; // not necessary but YDIFLO if (strlen(atok) > 0) { // extra sanity check auto authTokens = network["authTokens"]; if (authTokens.is_array()) { for(unsigned long i=0;i now)) && (tok.length() > 0) && (tok == atok) ) { authenticatedViaToken = true; break; } } } } } } if (!authenticatedViaToken) { _writeJson(memberJP,member); return NetworkController::NETCONF_QUERY_ACCESS_DENIED; } } // Else compose and send network config // If we made it here for some reason other than authorized being true, such as this // being a public network or via a bearer token, then we set this in the member config. member["authorized"] = true; nc.networkId = nwid; nc.type = network.value("private",true) ? ZT_NETWORK_TYPE_PRIVATE : ZT_NETWORK_TYPE_PUBLIC; nc.timestamp = now; nc.revision = network.value("revision",0ULL); nc.issuedTo = identity.address(); if (network.value("enableBroadcast",true)) nc.flags |= ZT_NETWORKCONFIG_FLAG_ENABLE_BROADCAST; if (network.value("allowPassiveBridging",false)) nc.flags |= ZT_NETWORKCONFIG_FLAG_ALLOW_PASSIVE_BRIDGING; Utils::scopy(nc.name,sizeof(nc.name),network.value("name","").c_str()); nc.multicastLimit = (unsigned int)network.value("multicastLimit",32ULL); bool amActiveBridge = false; { json ab = network["activeBridges"]; if (ab.is_array()) { for(unsigned long i=0;i= ZT_MAX_NETWORK_RULES) break; auto rule = rules[i]; if (_parseRule(rule,nc.rules[nc.ruleCount])) ++nc.ruleCount; } } if (routes.is_array()) { for(unsigned long i=0;i= ZT_MAX_NETWORK_ROUTES) break; auto route = routes[i]; InetAddress t(route.value("target","")); InetAddress v(route.value("via","")); if ((t)&&(v)&&(t.ss_family == v.ss_family)) { ZT_VirtualNetworkRoute *r = &(nc.routes[nc.routeCount]); *(reinterpret_cast(&(r->target))) = t; *(reinterpret_cast(&(r->via))) = v; ++nc.routeCount; } } } bool haveManagedIpv4AutoAssignment = false; bool haveManagedIpv6AutoAssignment = false; // "special" NDP-emulated address types do not count json ipAssignments = member["ipAssignments"]; if (ipAssignments.is_array()) { for(unsigned long i=0;i(&(nc.routes[rk].target))->containsAddress(ip)) ) routedNetmaskBits = reinterpret_cast(&(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(); } std::set allocatedIps; bool allocatedIpsLoaded = false; if ( (ipAssignmentPools.is_array()) && ((v6AssignMode.is_object())&&(v6AssignMode.value("zt",false))) && (!haveManagedIpv6AutoAssignment) && (!amActiveBridge) ) { if (!allocatedIpsLoaded) allocatedIps = _getAlreadyAllocatedIps(nwid); for(unsigned long p=0;((p 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.routes[rk].target))->containsAddress(ip6)) ) routedNetmaskBits = reinterpret_cast(&(nc.routes[rk].target))->netmaskBits(); } // If it's routed, then try to claim and assign it and if successful end loop if ((routedNetmaskBits > 0)&&(!allocatedIps.count(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; haveManagedIpv4AutoAssignment = true; break; } } } } } } if ( (ipAssignmentPools.is_array()) && ((v4AssignMode.is_object())&&(v4AssignMode.value("zt",false))) && (!haveManagedIpv4AutoAssignment) && (!amActiveBridge) ) { if (!allocatedIpsLoaded) allocatedIps = _getAlreadyAllocatedIps(nwid); for(unsigned long p=0;((p(&ipRangeStart)->sin_addr.s_addr)); uint32_t ipRangeEnd = Utils::ntoh((uint32_t)(reinterpret_cast(&ipRangeEnd)->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 = 0; for(unsigned int rk=0;rk(&(nc.routes[rk].target))->sin_addr.s_addr)); int targetBits = Utils::ntoh((uint16_t)(reinterpret_cast(&(nc.routes[rk].target))->sin_port)); if ((ip & (0xffffffff << (32 - targetBits))) == targetIp) { routedNetmaskBits = targetBits; break; } } } InetAddress ip4(Utils::hton(ip),0); // If it's routed, then try to claim and assign it and if successful end loop if ((routedNetmaskBits > 0)&&(!allocatedIps.count(ip4))) { ipAssignments.push_back(ip4.toIpString()); member["ipAssignments"] = ipAssignments; if (nc.staticIpCount < ZT_MAX_ZT_ASSIGNED_ADDRESSES) { struct sockaddr_in *const v4ip = reinterpret_cast(&(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; } } } } } } if (network.value("private",true)) { CertificateOfMembership com(now,ZT_NETWORK_COM_DEFAULT_REVISION_MAX_DELTA,nwid,identity.address()); if (com.sign(signingId)) { nc.com = com; } else { return NETCONF_QUERY_INTERNAL_SERVER_ERROR; } } _writeJson(memberJP,member); return NetworkController::NETCONF_QUERY_OK; } unsigned int EmbeddedNetworkController::handleControlPlaneHttpGET( const std::vector &path, const std::map &urlArgs, const std::map &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(_readJson(_networkJP(nwid,false))); if (!network.size()) 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(_readJson(_memberJP(nwid,Address(address),false))); if (!member.size()) return 404; char addrs[24]; Utils::snprintf(addrs,sizeof(addrs),"%.10llx",address); member["clock"] = OSUtils::now(); responseBody = member.dump(2); responseContentType = "application/json"; return 200; } else { responseBody = "{"; std::vector members(OSUtils::listSubdirectories((_networkBP(nwid,false) + ZT_PATH_SEPARATOR_S + "member").c_str())); for(std::vector::iterator i(members.begin());i!=members.end();++i) { if (i->length() == ZT_ADDRESS_LENGTH_HEX) { json member(_readJson(_memberJP(nwid,Address(Utils::hexStrToU64(i->c_str())),false))); if (member.size()) { responseBody.append((responseBody.length() == 1) ? "\"" : ",\""); responseBody.append(*i); responseBody.append("\":"); const std::string rc = member.value("memberRevision","0"); responseBody.append(rc); } } } responseBody.push_back('}'); responseContentType = "application/json"; return 200; } } else if ((path[2] == "active")&&(path.size() == 3)) { responseBody = "{"; std::vector members(OSUtils::listSubdirectories((_networkBP(nwid,false) + ZT_PATH_SEPARATOR_S + "member").c_str())); const uint64_t threshold = OSUtils::now() - ZT_NETCONF_NODE_ACTIVE_THRESHOLD; for(std::vector::iterator i(members.begin());i!=members.end();++i) { if (i->length() == ZT_ADDRESS_LENGTH_HEX) { json member(_readJson(_memberJP(nwid,Address(Utils::hexStrToU64(i->c_str())),false))); if (member.size()) { auto recentLog = member["recentLog"]; if ((recentLog.is_array())&&(recentLog.size() > 0)) { auto mostRecentLog = recentLog[0]; if ((mostRecentLog.is_object())&&((uint64_t)mostRecentLog.value("ts",0ULL) >= threshold)) { responseBody.append((responseBody.length() == 1) ? "\"" : ",\""); responseBody.append(*i); responseBody.append("\":"); responseBody.append(mostRecentLog.dump()); } } } } } responseBody.push_back('}'); responseContentType = "application/json"; return 200; } else if ((path[2] == "test")&&(path.size() >= 4)) { Mutex::Lock _l(_circuitTests_m); std::map< uint64_t,_CircuitTestEntry >::iterator cte(_circuitTests.find(Utils::hexStrToU64(path[3].c_str()))); if ((cte != _circuitTests.end())&&(cte->second.test)) { responseBody = "["; responseBody.append(cte->second.jsonResults); responseBody.push_back(']'); responseContentType = "application/json"; return 200; } // else 404 } // else 404 } else { nlohmann::json o(network); o["clock"] = OSUtils::now(); responseBody = o.dump(2); responseContentType = "application/json"; return 200; } } else if (path.size() == 1) { responseBody = "["; std::vector networks(OSUtils::listSubdirectories((_path + ZT_PATH_SEPARATOR_S + "network").c_str())); for(auto i(networks.begin());i!=networks.end();++i) { if (i->length() == 16) { responseBody.append((responseBody.length() == 1) ? "\"" : ",\""); responseBody.append(*i); responseBody.append("\""); } } 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 &path, const std::map &urlArgs, const std::map &headers, const std::string &body, std::string &responseBody, std::string &responseContentType) { if (path.empty()) return 404; json b; try { b = json::parse(body); if (!b.is_object()) return 400; } catch ( ... ) { return 400; } 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) { json network(_readJson(_networkJP(nwid,false))); if (!network.size()) return 404; 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(_readJson(_memberJP(nwid,Address(address),true))); try { if (b.count("authorized")) member["authorized"] = b.value("authorized",false); if ((b.count("identity"))&&(!member.count("identity"))) member["identity"] = b.value("identity",""); // allow identity to be populated only if not already known if (b.count("ipAssignments")) { auto ipa = b["ipAssignments"]; if (ipa.is_array()) { json mipa(json::array()); for(unsigned long i=0;itestId),sizeof(test->testId)); test->credentialNetworkId = nwid; test->ptr = (void *)this; json hops = b["hops"]; if (hops.is_array()) { for(unsigned long i=0;ihops[test->hopCount].addresses[test->hops[test->hopCount].breadth++] = Utils::hexStrToU64(s.c_str()) & 0xffffffffffULL; } } 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->reportAtEveryHop = (b.value("reportAtEveryHop",true) ? 1 : 0); if (!test->hopCount) { ::free((void *)test); return 400; } test->timestamp = OSUtils::now(); _CircuitTestEntry &te = _circuitTests[test->testId]; te.test = test; te.jsonResults = ""; _node->circuitTestBegin(test,&(EmbeddedNetworkController::_circuitTestCallback)); char json[1024]; Utils::snprintf(json,sizeof(json),"{\"testId\":\"%.16llx\"}",test->testId); 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; Utils::snprintf(nwids,sizeof(nwids),"%.16llx",(unsigned long long)tryNwid); if (!OSUtils::fileExists(_networkJP(tryNwid,false).c_str())) { nwid = tryNwid; break; } } if (!nwid) return 503; } json network(_readJson(_networkJP(nwid,true))); try { if (b.count("name")) network["name"] = b.value("name",""); if (b.count("private")) network["private"] = b.value("private",true); if (b.count("enableBroadcast")) network["enableBroadcast"] = b.value("enableBroadcast",false); if (b.count("allowPassiveBridging")) network["allowPassiveBridging"] = b.value("allowPassiveBridging",false); if (b.count("multicastLimit")) network["multicastLimit"] = b.value("multicastLimit",32ULL); if (b.count("activeBridges")) { auto ab = b["activeBridges"]; if (ab.is_array()) { json ab2 = json::array(); for(unsigned long i=0;i v6m(Utils::split(b.value("v6AssignMode","").c_str(),",","","")); std::sort(v6m.begin(),v6m.end()); v6m.erase(std::unique(v6m.begin(),v6m.end()),v6m.end()); for(std::vector::iterator i(v6m.begin());i!=v6m.end();++i) { if (*i == "rfc4193") nv6m["rfc4193"] = true; else if (*i == "zt") nv6m["zt"] = true; else if (*i == "6plane") nv6m["6plane"] = true; } } else if (b["v6AssignMode"].is_object()) { auto v6m = b["v6AssignMode"]; if (v6m.count("rfc4193")) nv6m["rfc4193"] = v6m.value("rfc4193",false); if (v6m.count("zt")) nv6m["rfc4193"] = v6m.value("zt",false); if (v6m.count("6plane")) nv6m["rfc4193"] = v6m.value("6plane",false); } if (!nv6m.count("rfc4193")) nv6m["rfc4193"] = false; if (!nv6m.count("zt")) nv6m["zt"] = false; if (!nv6m.count("6plane")) nv6m["6plane"] = false; } if (b.count("routes")) { auto rts = b["routes"]; if (rts.is_array()) { for(unsigned long i=0;i 0) { json t = json::object(); t["token"] = tstr; t["expires"] = token.value("expires",0ULL); nat.push_back(t); } } } network["authTokens"] = nat; } } } catch ( ... ) { return 400; } if (!network.count("private")) network["private"] = true; if (!network.count("creationTime")) network["creationTime"] = OSUtils::now(); if (!network.count("name")) network["name"] = ""; if (!network.count("multicastLimit")) network["multicastLimit"] = (uint64_t)32; if (!network.count("v4AssignMode")) network["v4AssignMode"] = "{\"zt\":false}"_json; if (!network.count("v6AssignMode")) network["v6AssignMode"] = "{\"rfc4193\":false,\"zt\":false,\"6plane\":false}"_json; if (!network.count("activeBridges")) network["activeBridges"] = json::array(); if (!network.count("authTokens")) network["authTokens"] = json::array(); if (!network.count("rules")) { // If unspecified, rules are set to allow anything and behave like a flat L2 segment network["rules"] = { { "not",false }, { "type","ACTION_ACCEPT" } }; } network["id"] = nwids; network["nwid"] = nwids; // legacy network["revision"] = network.value("revision",0ULL) + 1ULL; network["objtype"] = "network"; _writeJson(_networkJP(nwid,true),network); network["clock"] = OSUtils::now(); responseBody = network.dump(2); responseContentType = "application/json"; return 200; } // else 404 } // else 404 } // else 404 return 404; } unsigned int EmbeddedNetworkController::handleControlPlaneHttpDELETE( const std::vector &path, const std::map &urlArgs, const std::map &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()); json network(_readJson(_networkJP(nwid,false))); if (!network.size()) return 404; 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(_readJson(_memberJP(nwid,Address(address),false))); if (!member.size()) return 404; OSUtils::rmDashRf(_memberBP(nwid,Address(address),false).c_str()); responseBody = member.dump(2); responseContentType = "application/json"; return 200; } } else { OSUtils::rmDashRf(_networkBP(nwid,false).c_str()); responseBody = network.dump(2); responseContentType = "application/json"; return 200; } } // else 404 } // else 404 return 404; } void EmbeddedNetworkController::_circuitTestCallback(ZT_Node *node,ZT_CircuitTest *test,const ZT_CircuitTestReport *report) { char tmp[65535]; EmbeddedNetworkController *const self = reinterpret_cast(test->ptr); if (!test) return; if (!report) return; Mutex::Lock _l(self->_circuitTests_m); std::map< uint64_t,_CircuitTestEntry >::iterator cte(self->_circuitTests.find(test->testId)); if (cte == self->_circuitTests.end()) { // sanity check: a circuit test we didn't launch? self->_node->circuitTestEnd(test); ::free((void *)test); return; } Utils::snprintf(tmp,sizeof(tmp), "%s{\n" "\t\"timestamp\": %llu," ZT_EOL_S "\t\"testId\": \"%.16llx\"," ZT_EOL_S "\t\"upstream\": \"%.10llx\"," ZT_EOL_S "\t\"current\": \"%.10llx\"," ZT_EOL_S "\t\"receivedTimestamp\": %llu," ZT_EOL_S "\t\"remoteTimestamp\": %llu," ZT_EOL_S "\t\"sourcePacketId\": \"%.16llx\"," ZT_EOL_S "\t\"flags\": %llu," ZT_EOL_S "\t\"sourcePacketHopCount\": %u," ZT_EOL_S "\t\"errorCode\": %u," ZT_EOL_S "\t\"vendor\": %d," ZT_EOL_S "\t\"protocolVersion\": %u," ZT_EOL_S "\t\"majorVersion\": %u," ZT_EOL_S "\t\"minorVersion\": %u," ZT_EOL_S "\t\"revision\": %u," ZT_EOL_S "\t\"platform\": %d," ZT_EOL_S "\t\"architecture\": %d," ZT_EOL_S "\t\"receivedOnLocalAddress\": \"%s\"," ZT_EOL_S "\t\"receivedFromRemoteAddress\": \"%s\"" ZT_EOL_S "}", ((cte->second.jsonResults.length() > 0) ? ",\n" : ""), (unsigned long long)report->timestamp, (unsigned long long)test->testId, (unsigned long long)report->upstream, (unsigned long long)report->current, (unsigned long long)OSUtils::now(), (unsigned long long)report->remoteTimestamp, (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(&(report->receivedOnLocalAddress))->toString().c_str(), reinterpret_cast(&(report->receivedFromRemoteAddress))->toString().c_str()); cte->second.jsonResults.append(tmp); } } // namespace ZeroTier