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/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "NodeControlService.hpp"
#include "NodeControlClient.hpp"
#include "../node/Constants.hpp"
#include "../node/MAC.hpp"
#include "../node/Node.hpp"
#include "../node/Utils.hpp"
namespace ZeroTier {
NodeControlService::NodeControlService(Node *node,const char *authToken) :
_node(node),
_listener((IpcListener *)0),
_authToken(authToken),
_running(true),
_thread(Thread::start(this))
{
}
NodeControlService::~NodeControlService()
{
_running = false;
Thread::join(_thread);
{
Mutex::Lock _l(_connections_m);
for(std::map< IpcConnection *,bool >::iterator c(_connections.begin());c!=_connections.end();++c)
delete c->first;
_connections.clear();
}
delete _listener;
}
void NodeControlService::threadMain()
throw()
{
char tmp[1024];
try {
while (_running) {
if (!_node->running()) {
if (_node->started())
break;
} else if ((_node->initialized())&&(_node->address())) {
Utils::snprintf(tmp,sizeof(tmp),"%s%.10llx",ZT_IPC_ENDPOINT_BASE,(unsigned long long)_node->address());
_listener = new IpcListener(tmp,ZT_IPC_TIMEOUT,&_CBcommandHandler,this);
break;
}
Thread::sleep(100); // wait for Node to start
}
} catch ( ... ) {
delete _listener;
_listener = (IpcListener *)0;
}
}
void NodeControlService::_CBcommandHandler(void *arg,IpcConnection *ipcc,IpcConnection::EventType event,const char *commandLine)
{
switch(event) {
case IpcConnection::IPC_EVENT_COMMAND: {
if ((!((NodeControlService *)arg)->_running)||(!commandLine)||(!commandLine[0]))
return;
((NodeControlService *)arg)->_doCommand(ipcc,commandLine);
} break;
case IpcConnection::IPC_EVENT_NEW_CONNECTION: {
Mutex::Lock _l(((NodeControlService *)arg)->_connections_m);
((NodeControlService *)arg)->_connections[ipcc] = false; // not yet authenticated
} break;
case IpcConnection::IPC_EVENT_CONNECTION_CLOSED: {
Mutex::Lock _l(((NodeControlService *)arg)->_connections_m);
((NodeControlService *)arg)->_connections.erase(ipcc);
delete ipcc;
} break;
}
}
void NodeControlService::_doCommand(IpcConnection *ipcc,const char *commandLine)
{
std::vector<std::string> r;
std::vector<std::string> cmd(Utils::split(commandLine,"\r\n \t","\\","'"));
if ((cmd.empty())||(cmd[0] == "help")) {
ipcc->printf("200 help help"ZT_EOL_S);
ipcc->printf("200 help auth <token>"ZT_EOL_S);
ipcc->printf("200 help info"ZT_EOL_S);
ipcc->printf("200 help listpeers"ZT_EOL_S);
ipcc->printf("200 help listnetworks"ZT_EOL_S);
ipcc->printf("200 help join <network ID>"ZT_EOL_S);
ipcc->printf("200 help leave <network ID>"ZT_EOL_S);
ipcc->printf("200 help terminate [<reason>]"ZT_EOL_S);
ipcc->printf("200 help updatecheck"ZT_EOL_S);
} else if (cmd[0] == "auth") {
if ((cmd.size() > 1)&&(_authToken.length() > 0)&&(_authToken == cmd[1])) {
Mutex::Lock _l(_connections_m);
_connections[ipcc] = true;
ipcc->printf("200 auth OK"ZT_EOL_S);
} else ipcc->printf("403 auth failed"ZT_EOL_S);
} else {
{
Mutex::Lock _l(_connections_m);
if (!_connections[ipcc]) {
ipcc->printf("403 %s unauthorized"ZT_EOL_S"."ZT_EOL_S,cmd[0].c_str());
return;
}
}
if (cmd[0] == "info") {
ipcc->printf("200 info %.10llx %s %s"ZT_EOL_S,_node->address(),(_node->online() ? "ONLINE" : "OFFLINE"),Node::versionString());
} else if (cmd[0] == "listpeers") {
ipcc->printf("200 listpeers <ztaddr> <paths> <latency> <version> <role>"ZT_EOL_S);
ZT1_Node_PeerList *pl = _node->listPeers();
if (pl) {
for(unsigned int i=0;i<pl->numPeers;++i) {
ipcc->printf("200 listpeers %.10llx ",(unsigned long long)pl->peers[i].rawAddress);
if (pl->peers[i].numPaths == 0)
ipcc->printf("-");
else {
for(unsigned int j=0;j<pl->peers[i].numPaths;++j) {
if (j > 0)
ipcc->printf(",");
switch(pl->peers[i].paths[j].type) {
default:
ipcc->printf("unknown;");
break;
case ZT1_Node_PhysicalPath_TYPE_UDP:
ipcc->printf("udp;");
break;
case ZT1_Node_PhysicalPath_TYPE_TCP_OUT:
ipcc->printf("tcp_out;");
break;
case ZT1_Node_PhysicalPath_TYPE_TCP_IN:
ipcc->printf("tcp_in;");
break;
case ZT1_Node_PhysicalPath_TYPE_ETHERNET:
ipcc->printf("eth;");
break;
}
ipcc->printf("%s/%d;%ld;%ld;%ld;%s",
pl->peers[i].paths[j].address.ascii,
(int)pl->peers[i].paths[j].address.port,
pl->peers[i].paths[j].lastSend,
pl->peers[i].paths[j].lastReceive,
pl->peers[i].paths[j].lastPing,
(pl->peers[i].paths[j].fixed ? "fixed" : (pl->peers[i].paths[j].active ? "active" : "inactive")));
}
}
const char *rolestr;
switch(pl->peers[i].role) {
case ZT1_Node_Peer_SUPERNODE: rolestr = "SUPERNODE"; break;
case ZT1_Node_Peer_HUB: rolestr = "HUB"; break;
case ZT1_Node_Peer_NODE: rolestr = "NODE"; break;
default: rolestr = "?"; break;
}
ipcc->printf(" %u %s %s"ZT_EOL_S,
pl->peers[i].latency,
((pl->peers[i].remoteVersion[0]) ? pl->peers[i].remoteVersion : "-"),
rolestr);
}
_node->freeQueryResult(pl);
}
} else if (cmd[0] == "listnetworks") {
ipcc->printf("200 listnetworks <nwid> <name> <mac> <status> <config age> <type> <dev> <ips>"ZT_EOL_S);
ZT1_Node_NetworkList *nl = _node->listNetworks();
if (nl) {
for(unsigned int i=0;i<nl->numNetworks;++i) {
ipcc->printf("200 listnetworks %s %s %s %s %ld %s %s ",
nl->networks[i].nwidHex,
nl->networks[i].name,
nl->networks[i].macStr,
nl->networks[i].statusStr,
nl->networks[i].configAge,
(nl->networks[i].isPrivate ? "private" : "public"),
nl->networks[i].device);
if (nl->networks[i].numIps > 0) {
for(unsigned int j=0;j<nl->networks[i].numIps;++j) {
if (j > 0)
ipcc->printf(",");
ipcc->printf("%s/%d",nl->networks[i].ips[j].ascii,(int)nl->networks[i].ips[j].port);
}
} else ipcc->printf("-");
ipcc->printf(ZT_EOL_S);
}
_node->freeQueryResult(nl);
}
} else if (cmd[0] == "join") {
if (cmd.size() > 1) {
uint64_t nwid = Utils::hexStrToU64(cmd[1].c_str());
_node->join(nwid);
ipcc->printf("200 join %.16llx OK"ZT_EOL_S,(unsigned long long)nwid);
} else {
ipcc->printf("400 join requires a network ID (>0) in hexadecimal format"ZT_EOL_S);
}
} else if (cmd[0] == "leave") {
if (cmd.size() > 1) {
uint64_t nwid = Utils::hexStrToU64(cmd[1].c_str());
_node->leave(nwid);
ipcc->printf("200 leave %.16llx OK"ZT_EOL_S,(unsigned long long)nwid);
} else {
ipcc->printf("400 leave requires a network ID (>0) in hexadecimal format"ZT_EOL_S);
}
} else if (cmd[0] == "terminate") {
if (cmd.size() > 1)
_node->terminate(Node::NODE_NORMAL_TERMINATION,cmd[1].c_str());
else _node->terminate(Node::NODE_NORMAL_TERMINATION,"terminate via IPC command");
} else if (cmd[0] == "updatecheck") {
if (_node->updateCheck()) {
ipcc->printf("500 software updates are not enabled"ZT_EOL_S);
} else {
ipcc->printf("200 OK"ZT_EOL_S);
}
} else {
ipcc->printf("404 %s No such command. Use 'help' for help."ZT_EOL_S,cmd[0].c_str());
}
}
ipcc->printf("."ZT_EOL_S);
}
} // namespace ZeroTier
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