ZeroTierOne/service/ControlPlane.cpp
2015-04-13 18:12:45 -07:00

275 lines
8.7 KiB
C++

/*
* 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 "ControlPlane.hpp"
#include "../version.h"
#include "../include/ZeroTierOne.h"
#include "../ext/http-parser/http_parser.h"
#include "../node/InetAddress.hpp"
#include "../node/Node.hpp"
#include "../node/Utils.hpp"
namespace ZeroTier {
static std::string _jsonEscape(const char *s)
{
std::string buf;
for(const char *p=s;(*p);++p) {
switch(*p) {
case '\t': buf.append("\\t"); break;
case '\b': buf.append("\\b"); break;
case '\r': buf.append("\\r"); break;
case '\n': buf.append("\\n"); break;
case '\f': buf.append("\\f"); break;
case '"': buf.append("\\\""); break;
case '\\': buf.append("\\\\"); break;
case '/': buf.append("\\/"); break;
default: buf.push_back(*s); break;
}
}
return buf;
}
static std::string _jsonEscape(const std::string &s) { return _jsonEscape(s.c_str()); }
static std::string _jsonEnumerate(const ZT1_MulticastGroup *mg,unsigned int count)
{
std::string buf;
char tmp[128];
buf.push_back('[');
for(unsigned int i=0;i<count;++i) {
if (i > 0)
buf.push_back(',');
Utils::snprintf(tmp,sizeof(tmp),"\"%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\\/%.8lx\"",
(unsigned int)((mg->mac >> 40) & 0xff),
(unsigned int)((mg->mac >> 32) & 0xff),
(unsigned int)((mg->mac >> 24) & 0xff),
(unsigned int)((mg->mac >> 16) & 0xff),
(unsigned int)((mg->mac >> 8) & 0xff),
(unsigned int)(mg->mac & 0xff),
mg->adi);
buf.append(tmp);
}
buf.push_back(']');
return buf;
}
static std::string _jsonEnumerate(const struct sockaddr_storage *ss,unsigned int count)
{
std::string buf;
buf.push_back('[');
for(unsigned int i=0;i<count;++i) {
if (i > 0)
buf.push_back(',');
buf.push_back('"');
buf.append(_jsonEscape(reinterpret_cast<const InetAddress *>(ss)->toString()));
buf.push_back('"');
}
buf.push_back(']');
return buf;
}
static void _jsonAppend(std::string &buf,const ZT1_VirtualNetworkConfig *nc)
{
char json[65536];
const char *nstatus = "",*ntype = "";
switch(nc->status) {
case ZT1_NETWORK_STATUS_REQUESTING_CONFIGURATION: nstatus = "REQUESTING_CONFIGURATION"; break;
case ZT1_NETWORK_STATUS_OK: nstatus = "OK"; break;
case ZT1_NETWORK_STATUS_ACCESS_DENIED: nstatus = "ACCESS_DENIED"; break;
case ZT1_NETWORK_STATUS_NOT_FOUND: nstatus = "NOT_FOUND"; break;
case ZT1_NETWORK_STATUS_PORT_ERROR: nstatus = "PORT_ERROR"; break;
case ZT1_NETWORK_STATUS_CLIENT_TOO_OLD: nstatus = "CLIENT_TOO_OLD"; break;
}
switch(nc->type) {
case ZT1_NETWORK_TYPE_PRIVATE: ntype = "PRIVATE"; break;
case ZT1_NETWORK_TYPE_PUBLIC: ntype = "PUBLIC"; break;
}
Utils::snprintf(json,sizeof(json),
"{"
"\"nwid\": \"%.16llx\","
"\"mac\": \"%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\","
"\"name\": %s,"
"\"status\": \"%s\","
"\"type\": \"%s\","
"\"mtu\": %u,"
"\"dhcp\": %s,"
"\"bridge\": %s,"
"\"broadcastEnabled\": %s,"
"\"portError\": %d,"
"\"netconfRevision\": %lu,"
"\"multicastSubscriptions\": %s,"
"\"assignedAddresses\": %s"
"}",
nc->nwid,
(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),
_jsonEscape(nc->name).c_str(),
nstatus,
ntype,
nc->mtu,
(nc->dhcp == 0) ? "false" : "true",
(nc->bridge == 0) ? "false" : "true",
(nc->broadcastEnabled == 0) ? "false" : "true",
nc->portError,
nc->netconfRevision,
_jsonEnumerate(nc->multicastSubscriptions,nc->multicastSubscriptionCount).c_str(),
_jsonEnumerate(nc->assignedAddresses,nc->assignedAddressCount).c_str());
buf.append(json);
}
static void _jsonAppend(std::string &buf,const ZT1_Peer *peer)
{
}
ControlPlane::ControlPlane(Node *n,const std::set<std::string> atoks) :
_node(n),
_authTokens(atoks)
{
}
ControlPlane::~ControlPlane()
{
}
unsigned int ControlPlane::handleRequest(
unsigned int httpMethod,
const std::string &path,
const std::map<std::string,std::string> &headers,
const std::string &body,
std::string &responseBody,
std::string &responseContentType)
{
char json[65536];
unsigned int scode = 404;
std::vector<std::string> ps(Utils::split(path.c_str(),"/","",""));
std::map<std::string,std::string> urlArgs;
/* Note: this is kind of restricted in what it'll take. It does not support
* URL encoding, and /'s in URL args will screw it up. But the only URL args
* it really uses in ?jsonp=funcionName, and otherwise it just takes simple
* paths to simply-named resources. */
if (ps.size() > 0) {
std::size_t qpos = ps[ps.size() - 1].find('?');
if (qpos != std::string::npos) {
std::string args(ps[ps.size() - 1].substr(qpos + 1));
ps[ps.size() - 1] = ps[ps.size() - 1].substr(0,qpos);
std::vector<std::string> asplit(Utils::split(args.c_str(),"&","",""));
for(std::vector<std::string>::iterator a(asplit.begin());a!=asplit.end();++a) {
std::size_t eqpos = a->find('=');
if (eqpos == std::string::npos)
urlArgs[*a] = "";
else urlArgs[a->substr(0,eqpos)] = a->substr(eqpos + 1);
}
}
} else {
ps.push_back(std::string("index"));
}
if (httpMethod == HTTP_GET) {
if (ps[0] == "index") {
responseContentType = "text/html";
responseBody = "<html><body>Hello World!</body></html>";
} else if (ps[0] == "status") {
responseContentType = "application/json";
ZT1_NodeStatus status;
_node->status(&status);
Utils::snprintf(json,sizeof(json),
"{"
"\"address\":\"%.10llx\","
"\"publicIdentity\":\"%s\","
"\"online\":%s,"
"\"versionMajor\":%d,"
"\"versionMinor\":%d,"
"\"versionRevision\":%d,"
"\"version\":\"%d.%d.%d\""
"}",
status.address,
status.publicIdentity,
(status.online) ? "true" : "false",
ZEROTIER_ONE_VERSION_MAJOR,
ZEROTIER_ONE_VERSION_MINOR,
ZEROTIER_ONE_VERSION_REVISION,
ZEROTIER_ONE_VERSION_MAJOR,ZEROTIER_ONE_VERSION_MINOR,ZEROTIER_ONE_VERSION_REVISION);
responseBody = json;
} else if (ps[0] == "config") {
responseContentType = "application/json";
responseBody = "{}"; // TODO
} else if (ps[0] == "network") {
ZT1_VirtualNetworkList *nws = _node->networks();
if (nws) {
if (ps.size() == 1) {
// Return [array] of all networks
responseContentType = "application/json";
responseBody = "[";
for(unsigned long i=0;i<nws->networkCount;++i) {
if (i > 0)
responseBody.push_back(',');
_jsonAppend(responseBody,&(nws->networks[i]));
}
responseBody.push_back(']');
} else if (ps.size() == 2) {
// Return a single network by ID or 404 if not found
uint64_t wantnw = Utils::hexStrToU64(ps[1].c_str());
bool got = false;
for(unsigned long i=0;i<nws->networkCount;++i) {
if (nws->networks[i].nwid == wantnw) {
got = true;
responseContentType = "application/json";
_jsonAppend(responseBody,&(nws->networks[i]));
break;
}
}
if (!got)
scode = 404;
} else {
// Not sure what they want here, 404
scode = 404;
}
_node->freeQueryResult((void *)nws);
} else scode = 500;
} else if (ps[0] == "peer") {
}
} else if ((httpMethod == HTTP_POST)||(httpMethod == HTTP_PUT)) { // PUT is weird in REST but we'll take it anyway
} else if (httpMethod == HTTP_DELETE) {
} else {
scode = 400;
responseBody = "Method not supported for resource ";
responseBody.append(path);
}
std::map<std::string,std::string>::const_iterator jsonp(urlArgs.find("jsonp"));
if (jsonp != urlArgs.end()) {
if (responseBody.length() > 0)
responseBody = jsonp->second + "(" + responseBody + ");";
else responseBody = jsonp->second + "(null);";
responseContentType = "application/javascript";
}
return scode;
}
} // namespace ZeroTier