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598 lines
20 KiB
598 lines
20 KiB
/* |
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* ZeroTier One - Network Virtualization Everywhere |
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* Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/ |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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|
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#include "ControlPlane.hpp" |
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#include "OneService.hpp" |
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|
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#include "../version.h" |
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#include "../include/ZeroTierOne.h" |
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|
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#ifdef ZT_USE_SYSTEM_HTTP_PARSER |
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#include <http_parser.h> |
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#else |
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#include "../ext/http-parser/http_parser.h" |
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#endif |
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|
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#include "../ext/json/json.hpp" |
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#include "../controller/EmbeddedNetworkController.hpp" |
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|
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#include "../node/InetAddress.hpp" |
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#include "../node/Node.hpp" |
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#include "../node/Utils.hpp" |
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#include "../osdep/OSUtils.hpp" |
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|
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namespace ZeroTier { |
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|
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static std::string _jsonEscape(const char *s) |
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{ |
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std::string buf; |
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for(const char *p=s;(*p);++p) { |
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switch(*p) { |
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case '\t': buf.append("\\t"); break; |
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case '\b': buf.append("\\b"); break; |
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case '\r': buf.append("\\r"); break; |
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case '\n': buf.append("\\n"); break; |
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case '\f': buf.append("\\f"); break; |
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case '"': buf.append("\\\""); break; |
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case '\\': buf.append("\\\\"); break; |
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case '/': buf.append("\\/"); break; |
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default: buf.push_back(*p); break; |
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} |
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} |
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return buf; |
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} |
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static std::string _jsonEscape(const std::string &s) { return _jsonEscape(s.c_str()); } |
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|
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static std::string _jsonEnumerate(const struct sockaddr_storage *ss,unsigned int count) |
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{ |
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std::string buf; |
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buf.push_back('['); |
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for(unsigned int i=0;i<count;++i) { |
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if (i > 0) |
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buf.push_back(','); |
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buf.push_back('"'); |
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buf.append(_jsonEscape(reinterpret_cast<const InetAddress *>(&(ss[i]))->toString())); |
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buf.push_back('"'); |
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} |
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buf.push_back(']'); |
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return buf; |
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} |
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static std::string _jsonEnumerate(const ZT_VirtualNetworkRoute *routes,unsigned int count) |
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{ |
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std::string buf; |
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buf.push_back('['); |
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for(unsigned int i=0;i<count;++i) { |
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if (i > 0) |
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buf.push_back(','); |
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buf.append("{\"target\":\""); |
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buf.append(_jsonEscape(reinterpret_cast<const InetAddress *>(&(routes[i].target))->toString())); |
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buf.append("\",\"via\":"); |
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if (routes[i].via.ss_family == routes[i].target.ss_family) { |
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buf.push_back('"'); |
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buf.append(_jsonEscape(reinterpret_cast<const InetAddress *>(&(routes[i].via))->toIpString())); |
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buf.append("\","); |
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} else buf.append("null,"); |
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char tmp[1024]; |
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Utils::snprintf(tmp,sizeof(tmp),"\"flags\":%u,\"metric\":%u}",(unsigned int)routes[i].flags,(unsigned int)routes[i].metric); |
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buf.append(tmp); |
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} |
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buf.push_back(']'); |
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return buf; |
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} |
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static void _jsonAppend(unsigned int depth,std::string &buf,const ZT_VirtualNetworkConfig *nc,const std::string &portDeviceName,const OneService::NetworkSettings &localSettings) |
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{ |
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char json[4096]; |
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char prefix[32]; |
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|
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if (depth >= sizeof(prefix)) // sanity check -- shouldn't be possible |
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return; |
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for(unsigned int i=0;i<depth;++i) |
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prefix[i] = '\t'; |
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prefix[depth] = '\0'; |
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const char *nstatus = "",*ntype = ""; |
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switch(nc->status) { |
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case ZT_NETWORK_STATUS_REQUESTING_CONFIGURATION: nstatus = "REQUESTING_CONFIGURATION"; break; |
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case ZT_NETWORK_STATUS_OK: nstatus = "OK"; break; |
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case ZT_NETWORK_STATUS_ACCESS_DENIED: nstatus = "ACCESS_DENIED"; break; |
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case ZT_NETWORK_STATUS_NOT_FOUND: nstatus = "NOT_FOUND"; break; |
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case ZT_NETWORK_STATUS_PORT_ERROR: nstatus = "PORT_ERROR"; break; |
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case ZT_NETWORK_STATUS_CLIENT_TOO_OLD: nstatus = "CLIENT_TOO_OLD"; break; |
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} |
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switch(nc->type) { |
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case ZT_NETWORK_TYPE_PRIVATE: ntype = "PRIVATE"; break; |
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case ZT_NETWORK_TYPE_PUBLIC: ntype = "PUBLIC"; break; |
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} |
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Utils::snprintf(json,sizeof(json), |
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"%s{\n" |
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"%s\t\"nwid\": \"%.16llx\",\n" |
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"%s\t\"mac\": \"%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\",\n" |
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"%s\t\"name\": \"%s\",\n" |
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"%s\t\"status\": \"%s\",\n" |
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"%s\t\"type\": \"%s\",\n" |
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"%s\t\"mtu\": %u,\n" |
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"%s\t\"dhcp\": %s,\n" |
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"%s\t\"bridge\": %s,\n" |
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"%s\t\"broadcastEnabled\": %s,\n" |
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"%s\t\"portError\": %d,\n" |
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"%s\t\"netconfRevision\": %lu,\n" |
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"%s\t\"assignedAddresses\": %s,\n" |
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"%s\t\"routes\": %s,\n" |
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"%s\t\"portDeviceName\": \"%s\",\n" |
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"%s\t\"allowManaged\": %s,\n" |
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"%s\t\"allowGlobal\": %s,\n" |
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"%s\t\"allowDefault\": %s\n" |
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"%s}", |
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prefix, |
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prefix,nc->nwid, |
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prefix,(unsigned int)((nc->mac >> 40) & 0xff),(unsigned int)((nc->mac >> 32) & 0xff),(unsigned int)((nc->mac >> 24) & 0xff),(unsigned int)((nc->mac >> 16) & 0xff),(unsigned int)((nc->mac >> 8) & 0xff),(unsigned int)(nc->mac & 0xff), |
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prefix,_jsonEscape(nc->name).c_str(), |
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prefix,nstatus, |
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prefix,ntype, |
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prefix,nc->mtu, |
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prefix,(nc->dhcp == 0) ? "false" : "true", |
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prefix,(nc->bridge == 0) ? "false" : "true", |
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prefix,(nc->broadcastEnabled == 0) ? "false" : "true", |
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prefix,nc->portError, |
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prefix,nc->netconfRevision, |
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prefix,_jsonEnumerate(nc->assignedAddresses,nc->assignedAddressCount).c_str(), |
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prefix,_jsonEnumerate(nc->routes,nc->routeCount).c_str(), |
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prefix,_jsonEscape(portDeviceName).c_str(), |
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prefix,(localSettings.allowManaged) ? "true" : "false", |
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prefix,(localSettings.allowGlobal) ? "true" : "false", |
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prefix,(localSettings.allowDefault) ? "true" : "false", |
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prefix); |
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buf.append(json); |
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} |
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static std::string _jsonEnumerate(unsigned int depth,const ZT_PeerPhysicalPath *pp,unsigned int count) |
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{ |
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char json[2048]; |
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char prefix[32]; |
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if (depth >= sizeof(prefix)) // sanity check -- shouldn't be possible |
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return std::string(); |
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for(unsigned int i=0;i<depth;++i) |
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prefix[i] = '\t'; |
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prefix[depth] = '\0'; |
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std::string buf; |
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for(unsigned int i=0;i<count;++i) { |
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if (i > 0) |
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buf.push_back(','); |
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Utils::snprintf(json,sizeof(json), |
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"{\n" |
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"%s\t\"address\": \"%s\",\n" |
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"%s\t\"lastSend\": %llu,\n" |
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"%s\t\"lastReceive\": %llu,\n" |
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"%s\t\"active\": %s,\n" |
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"%s\t\"expired\": %s,\n" |
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"%s\t\"preferred\": %s,\n" |
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"%s\t\"trustedPathId\": %llu\n" |
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"%s}", |
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prefix,_jsonEscape(reinterpret_cast<const InetAddress *>(&(pp[i].address))->toString()).c_str(), |
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prefix,pp[i].lastSend, |
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prefix,pp[i].lastReceive, |
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prefix,(pp[i].expired != 0) ? "false" : "true", |
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prefix,(pp[i].expired == 0) ? "false" : "true", |
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prefix,(pp[i].preferred == 0) ? "false" : "true", |
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prefix,pp[i].trustedPathId, |
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prefix); |
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buf.append(json); |
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} |
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return buf; |
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} |
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static void _jsonAppend(unsigned int depth,std::string &buf,const ZT_Peer *peer) |
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{ |
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char json[2048]; |
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char prefix[32]; |
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if (depth >= sizeof(prefix)) // sanity check -- shouldn't be possible |
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return; |
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for(unsigned int i=0;i<depth;++i) |
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prefix[i] = '\t'; |
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prefix[depth] = '\0'; |
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const char *prole = ""; |
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switch(peer->role) { |
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case ZT_PEER_ROLE_LEAF: prole = "LEAF"; break; |
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case ZT_PEER_ROLE_UPSTREAM: prole = "UPSTREAM"; break; |
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case ZT_PEER_ROLE_ROOT: prole = "ROOT"; break; |
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} |
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Utils::snprintf(json,sizeof(json), |
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"%s{\n" |
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"%s\t\"address\": \"%.10llx\",\n" |
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"%s\t\"versionMajor\": %d,\n" |
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"%s\t\"versionMinor\": %d,\n" |
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"%s\t\"versionRev\": %d,\n" |
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"%s\t\"version\": \"%d.%d.%d\",\n" |
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"%s\t\"latency\": %u,\n" |
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"%s\t\"role\": \"%s\",\n" |
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"%s\t\"paths\": [%s]\n" |
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"%s}", |
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prefix, |
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prefix,peer->address, |
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prefix,peer->versionMajor, |
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prefix,peer->versionMinor, |
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prefix,peer->versionRev, |
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prefix,peer->versionMajor,peer->versionMinor,peer->versionRev, |
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prefix,peer->latency, |
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prefix,prole, |
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prefix,_jsonEnumerate(depth+1,peer->paths,peer->pathCount).c_str(), |
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prefix); |
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buf.append(json); |
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} |
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ControlPlane::ControlPlane(OneService *svc,Node *n,const char *uiStaticPath) : |
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_svc(svc), |
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_node(n), |
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_controller((EmbeddedNetworkController *)0), |
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_uiStaticPath((uiStaticPath) ? uiStaticPath : "") |
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{ |
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} |
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ControlPlane::~ControlPlane() |
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{ |
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} |
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unsigned int ControlPlane::handleRequest( |
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const InetAddress &fromAddress, |
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unsigned int httpMethod, |
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const std::string &path, |
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const std::map<std::string,std::string> &headers, |
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const std::string &body, |
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std::string &responseBody, |
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std::string &responseContentType) |
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{ |
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char json[8194]; |
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unsigned int scode = 404; |
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std::vector<std::string> ps(Utils::split(path.c_str(),"/","","")); |
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std::map<std::string,std::string> urlArgs; |
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Mutex::Lock _l(_lock); |
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/* Note: this is kind of restricted in what it'll take. It does not support |
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* URL encoding, and /'s in URL args will screw it up. But the only URL args |
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* it really uses in ?jsonp=funcionName, and otherwise it just takes simple |
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* paths to simply-named resources. */ |
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if (ps.size() > 0) { |
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std::size_t qpos = ps[ps.size() - 1].find('?'); |
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if (qpos != std::string::npos) { |
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std::string args(ps[ps.size() - 1].substr(qpos + 1)); |
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ps[ps.size() - 1] = ps[ps.size() - 1].substr(0,qpos); |
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std::vector<std::string> asplit(Utils::split(args.c_str(),"&","","")); |
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for(std::vector<std::string>::iterator a(asplit.begin());a!=asplit.end();++a) { |
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std::size_t eqpos = a->find('='); |
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if (eqpos == std::string::npos) |
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urlArgs[*a] = ""; |
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else urlArgs[a->substr(0,eqpos)] = a->substr(eqpos + 1); |
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} |
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} |
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} else { |
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ps.push_back(std::string("index.html")); |
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} |
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bool isAuth = false; |
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{ |
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std::map<std::string,std::string>::const_iterator ah(headers.find("x-zt1-auth")); |
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if ((ah != headers.end())&&(_authTokens.count(ah->second) > 0)) { |
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isAuth = true; |
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} else { |
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ah = urlArgs.find("auth"); |
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if ((ah != urlArgs.end())&&(_authTokens.count(ah->second) > 0)) |
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isAuth = true; |
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} |
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} |
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if (httpMethod == HTTP_GET) { |
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std::string ext; |
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std::size_t dotIdx = ps[0].find_last_of('.'); |
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if (dotIdx != std::string::npos) |
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ext = ps[0].substr(dotIdx); |
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if ((ps.size() == 1)&&(ext.length() >= 2)&&(ext[0] == '.')) { |
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/* Static web pages can be served without authentication to enable a simple web |
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* UI. This is still only allowed from approved IP addresses. Anything with a |
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* dot in the first path element (e.g. foo.html) is considered a static page, |
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* as nothing in the API is so named. */ |
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if (_uiStaticPath.length() > 0) { |
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if (ext == ".html") |
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responseContentType = "text/html"; |
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else if (ext == ".js") |
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responseContentType = "application/javascript"; |
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else if (ext == ".jsx") |
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responseContentType = "text/jsx"; |
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else if (ext == ".json") |
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responseContentType = "application/json"; |
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else if (ext == ".css") |
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responseContentType = "text/css"; |
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else if (ext == ".png") |
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responseContentType = "image/png"; |
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else if (ext == ".jpg") |
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responseContentType = "image/jpeg"; |
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else if (ext == ".gif") |
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responseContentType = "image/gif"; |
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else if (ext == ".txt") |
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responseContentType = "text/plain"; |
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else if (ext == ".xml") |
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responseContentType = "text/xml"; |
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else if (ext == ".svg") |
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responseContentType = "image/svg+xml"; |
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else responseContentType = "application/octet-stream"; |
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scode = OSUtils::readFile((_uiStaticPath + ZT_PATH_SEPARATOR_S + ps[0]).c_str(),responseBody) ? 200 : 404; |
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} else { |
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scode = 404; |
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} |
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|
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} else if (isAuth) { |
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/* Things that require authentication -- a.k.a. everything but static web app pages. */ |
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|
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if (ps[0] == "status") { |
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responseContentType = "application/json"; |
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ZT_NodeStatus status; |
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_node->status(&status); |
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std::string clusterJson; |
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#ifdef ZT_ENABLE_CLUSTER |
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{ |
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ZT_ClusterStatus cs; |
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_node->clusterStatus(&cs); |
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if (cs.clusterSize >= 1) { |
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char t[1024]; |
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Utils::snprintf(t,sizeof(t),"{\n\t\t\"myId\": %u,\n\t\t\"clusterSize\": %u,\n\t\t\"members\": [",cs.myId,cs.clusterSize); |
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clusterJson.append(t); |
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for(unsigned int i=0;i<cs.clusterSize;++i) { |
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Utils::snprintf(t,sizeof(t),"%s\t\t\t{\n\t\t\t\t\"id\": %u,\n\t\t\t\t\"msSinceLastHeartbeat\": %u,\n\t\t\t\t\"alive\": %s,\n\t\t\t\t\"x\": %d,\n\t\t\t\t\"y\": %d,\n\t\t\t\t\"z\": %d,\n\t\t\t\t\"load\": %llu,\n\t\t\t\t\"peers\": %llu\n\t\t\t}", |
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((i == 0) ? "\n" : ",\n"), |
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cs.members[i].id, |
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cs.members[i].msSinceLastHeartbeat, |
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(cs.members[i].alive != 0) ? "true" : "false", |
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cs.members[i].x, |
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cs.members[i].y, |
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cs.members[i].z, |
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cs.members[i].load, |
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cs.members[i].peers); |
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clusterJson.append(t); |
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} |
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clusterJson.append(" ]\n\t\t}"); |
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} |
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} |
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#endif |
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Utils::snprintf(json,sizeof(json), |
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"{\n" |
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"\t\"address\": \"%.10llx\",\n" |
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"\t\"publicIdentity\": \"%s\",\n" |
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"\t\"worldId\": %llu,\n" |
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"\t\"worldTimestamp\": %llu,\n" |
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"\t\"online\": %s,\n" |
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"\t\"tcpFallbackActive\": %s,\n" |
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"\t\"versionMajor\": %d,\n" |
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"\t\"versionMinor\": %d,\n" |
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"\t\"versionRev\": %d,\n" |
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"\t\"version\": \"%d.%d.%d\",\n" |
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"\t\"clock\": %llu,\n" |
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"\t\"cluster\": %s\n" |
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"}\n", |
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status.address, |
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status.publicIdentity, |
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status.worldId, |
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status.worldTimestamp, |
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(status.online) ? "true" : "false", |
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(_svc->tcpFallbackActive()) ? "true" : "false", |
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ZEROTIER_ONE_VERSION_MAJOR, |
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ZEROTIER_ONE_VERSION_MINOR, |
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ZEROTIER_ONE_VERSION_REVISION, |
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ZEROTIER_ONE_VERSION_MAJOR,ZEROTIER_ONE_VERSION_MINOR,ZEROTIER_ONE_VERSION_REVISION, |
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(unsigned long long)OSUtils::now(), |
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((clusterJson.length() > 0) ? clusterJson.c_str() : "null")); |
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responseBody = json; |
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scode = 200; |
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} else if (ps[0] == "config") { |
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responseContentType = "application/json"; |
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responseBody = "{}"; // TODO |
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scode = 200; |
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} else if (ps[0] == "network") { |
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ZT_VirtualNetworkList *nws = _node->networks(); |
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if (nws) { |
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if (ps.size() == 1) { |
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// Return [array] of all networks |
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responseContentType = "application/json"; |
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responseBody = "[\n"; |
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for(unsigned long i=0;i<nws->networkCount;++i) { |
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if (i > 0) |
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responseBody.append(","); |
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OneService::NetworkSettings localSettings; |
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_svc->getNetworkSettings(nws->networks[i].nwid,localSettings); |
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_jsonAppend(1,responseBody,&(nws->networks[i]),_svc->portDeviceName(nws->networks[i].nwid),localSettings); |
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} |
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responseBody.append("\n]\n"); |
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scode = 200; |
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} else if (ps.size() == 2) { |
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// Return a single network by ID or 404 if not found |
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uint64_t wantnw = Utils::hexStrToU64(ps[1].c_str()); |
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for(unsigned long i=0;i<nws->networkCount;++i) { |
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if (nws->networks[i].nwid == wantnw) { |
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responseContentType = "application/json"; |
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OneService::NetworkSettings localSettings; |
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_svc->getNetworkSettings(nws->networks[i].nwid,localSettings); |
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_jsonAppend(0,responseBody,&(nws->networks[i]),_svc->portDeviceName(nws->networks[i].nwid),localSettings); |
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responseBody.push_back('\n'); |
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scode = 200; |
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break; |
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} |
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} |
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} // else 404 |
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_node->freeQueryResult((void *)nws); |
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} else scode = 500; |
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} else if (ps[0] == "peer") { |
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ZT_PeerList *pl = _node->peers(); |
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if (pl) { |
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if (ps.size() == 1) { |
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// Return [array] of all peers |
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responseContentType = "application/json"; |
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responseBody = "[\n"; |
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for(unsigned long i=0;i<pl->peerCount;++i) { |
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if (i > 0) |
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responseBody.append(",\n"); |
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_jsonAppend(1,responseBody,&(pl->peers[i])); |
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} |
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responseBody.append("\n]\n"); |
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scode = 200; |
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} else if (ps.size() == 2) { |
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// Return a single peer by ID or 404 if not found |
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uint64_t wantp = Utils::hexStrToU64(ps[1].c_str()); |
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for(unsigned long i=0;i<pl->peerCount;++i) { |
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if (pl->peers[i].address == wantp) { |
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responseContentType = "application/json"; |
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_jsonAppend(0,responseBody,&(pl->peers[i])); |
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responseBody.push_back('\n'); |
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scode = 200; |
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break; |
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} |
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} |
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} // else 404 |
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_node->freeQueryResult((void *)pl); |
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} else scode = 500; |
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} else if (ps[0] == "newIdentity") { |
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// Return a newly generated ZeroTier identity -- this is primarily for debugging |
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// and testing to make it easy for automated test scripts to generate test IDs. |
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Identity newid; |
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newid.generate(); |
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responseBody = newid.toString(true); |
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responseContentType = "text/plain"; |
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scode = 200; |
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} else { |
|
if (_controller) |
|
scode = _controller->handleControlPlaneHttpGET(std::vector<std::string>(ps.begin()+1,ps.end()),urlArgs,headers,body,responseBody,responseContentType); |
|
else scode = 404; |
|
} |
|
|
|
} else scode = 401; // isAuth == false |
|
|
|
} else if ((httpMethod == HTTP_POST)||(httpMethod == HTTP_PUT)) { |
|
|
|
if (isAuth) { |
|
|
|
if (ps[0] == "config") { |
|
// TODO |
|
} else if (ps[0] == "network") { |
|
if (ps.size() == 2) { |
|
uint64_t wantnw = Utils::hexStrToU64(ps[1].c_str()); |
|
_node->join(wantnw,(void *)0); // does nothing if we are a member |
|
ZT_VirtualNetworkList *nws = _node->networks(); |
|
if (nws) { |
|
for(unsigned long i=0;i<nws->networkCount;++i) { |
|
if (nws->networks[i].nwid == wantnw) { |
|
OneService::NetworkSettings localSettings; |
|
_svc->getNetworkSettings(nws->networks[i].nwid,localSettings); |
|
|
|
try { |
|
nlohmann::json j(nlohmann::json::parse(body)); |
|
if (j.is_object()) { |
|
auto allowManaged = j["allowManaged"]; |
|
if (allowManaged.is_boolean()) localSettings.allowManaged = (bool)allowManaged; |
|
auto allowGlobal = j["allowGlobal"]; |
|
if (allowGlobal.is_boolean()) localSettings.allowGlobal = (bool)allowGlobal; |
|
auto allowDefault = j["allowDefault"]; |
|
if (allowDefault.is_boolean()) localSettings.allowDefault = (bool)allowDefault; |
|
} |
|
} catch ( ... ) { |
|
// discard invalid JSON |
|
} |
|
|
|
_svc->setNetworkSettings(nws->networks[i].nwid,localSettings); |
|
|
|
responseContentType = "application/json"; |
|
_jsonAppend(0,responseBody,&(nws->networks[i]),_svc->portDeviceName(nws->networks[i].nwid),localSettings); |
|
responseBody.push_back('\n'); |
|
scode = 200; |
|
break; |
|
} |
|
} |
|
_node->freeQueryResult((void *)nws); |
|
} else scode = 500; |
|
} |
|
} else { |
|
if (_controller) |
|
scode = _controller->handleControlPlaneHttpPOST(std::vector<std::string>(ps.begin()+1,ps.end()),urlArgs,headers,body,responseBody,responseContentType); |
|
else scode = 404; |
|
} |
|
|
|
} else scode = 401; // isAuth == false |
|
|
|
} else if (httpMethod == HTTP_DELETE) { |
|
|
|
if (isAuth) { |
|
|
|
if (ps[0] == "config") { |
|
// TODO |
|
} else if (ps[0] == "network") { |
|
ZT_VirtualNetworkList *nws = _node->networks(); |
|
if (nws) { |
|
if (ps.size() == 2) { |
|
uint64_t wantnw = Utils::hexStrToU64(ps[1].c_str()); |
|
for(unsigned long i=0;i<nws->networkCount;++i) { |
|
if (nws->networks[i].nwid == wantnw) { |
|
_node->leave(wantnw,(void **)0); |
|
responseBody = "true"; |
|
responseContentType = "application/json"; |
|
scode = 200; |
|
break; |
|
} |
|
} |
|
} // else 404 |
|
_node->freeQueryResult((void *)nws); |
|
} else scode = 500; |
|
} else { |
|
if (_controller) |
|
scode = _controller->handleControlPlaneHttpDELETE(std::vector<std::string>(ps.begin()+1,ps.end()),urlArgs,headers,body,responseBody,responseContentType); |
|
else scode = 404; |
|
} |
|
|
|
} else { |
|
scode = 401; // isAuth = false |
|
} |
|
|
|
} else { |
|
scode = 400; |
|
responseBody = "Method not supported."; |
|
} |
|
|
|
// Wrap result in jsonp function call if the user included a jsonp= url argument. |
|
// Also double-check isAuth since forbidding this without auth feels safer. |
|
std::map<std::string,std::string>::const_iterator jsonp(urlArgs.find("jsonp")); |
|
if ((isAuth)&&(jsonp != urlArgs.end())&&(responseContentType == "application/json")) { |
|
if (responseBody.length() > 0) |
|
responseBody = jsonp->second + "(" + responseBody + ");"; |
|
else responseBody = jsonp->second + "(null);"; |
|
responseContentType = "application/javascript"; |
|
} |
|
|
|
return scode; |
|
} |
|
|
|
} // namespace ZeroTier
|
|
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