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/*
* ZeroTier One - Global Peer to Peer Ethernet
* Copyright (C) 2011-2014 ZeroTier Networks LLC
*
* 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 "NodeControlClient.hpp"
#include "../node/Constants.hpp"
#include "../node/Utils.hpp"
#include "../node/Defaults.hpp"
#include "IpcConnection.hpp"
#include "IpcListener.hpp"
#include "NodeControlService.hpp"
namespace ZeroTier {
struct _NodeControlClientImpl
{
void (*resultHandler)(void *,const char *);
void *arg;
IpcConnection *ipcc;
std::string err;
};
static void _CBipcResultHandler(void *arg,IpcConnection *ipcc,IpcConnection::EventType event,const char *result)
{
if ((event == IpcConnection::IPC_EVENT_COMMAND)&&(result)) {
if (strcmp(result,"200 auth OK"))
((_NodeControlClientImpl *)arg)->resultHandler(((_NodeControlClientImpl *)arg)->arg,result);
}
}
NodeControlClient::NodeControlClient(const char *hp,void (*resultHandler)(void *,const char *),void *arg,const char *authToken)
throw() :
_impl((void *)new _NodeControlClientImpl)
{
_NodeControlClientImpl *impl = (_NodeControlClientImpl *)_impl;
impl->ipcc = (IpcConnection *)0;
if (!hp)
hp = ZT_DEFAULTS.defaultHomePath.c_str();
std::string at;
if (authToken)
at = authToken;
else if (!Utils::readFile(authTokenDefaultSystemPath(),at)) {
if (!Utils::readFile(authTokenDefaultUserPath(),at)) {
impl->err = "no authentication token specified and authtoken.secret not readable";
return;
}
}
std::string myid;
if (Utils::readFile((std::string(hp) + ZT_PATH_SEPARATOR_S + "identity.public").c_str(),myid)) {
std::string myaddr(myid.substr(0,myid.find(':')));
if (myaddr.length() != 10)
impl->err = "invalid address extracted from identity.public";
else {
try {
impl->resultHandler = resultHandler;
impl->arg = arg;
impl->ipcc = new IpcConnection((std::string(ZT_IPC_ENDPOINT_BASE) + myaddr).c_str(),&_CBipcResultHandler,_impl);
impl->ipcc->printf("auth %s"ZT_EOL_S,at.c_str());
} catch ( ... ) {
impl->ipcc = (IpcConnection *)0;
impl->err = "failure connecting to running ZeroTier One service";
}
}
} else impl->err = "unable to read identity.public";
}
NodeControlClient::~NodeControlClient()
{
if (_impl) {
delete ((_NodeControlClientImpl *)_impl)->ipcc;
delete (_NodeControlClientImpl *)_impl;
}
}
const char *NodeControlClient::error() const
throw()
{
if (((_NodeControlClientImpl *)_impl)->err.length())
return ((_NodeControlClientImpl *)_impl)->err.c_str();
return (const char *)0;
}
void NodeControlClient::send(const char *command)
throw()
{
try {
if (((_NodeControlClientImpl *)_impl)->ipcc)
((_NodeControlClientImpl *)_impl)->ipcc->printf("%s"ZT_EOL_S,command);
} catch ( ... ) {}
}
std::vector<std::string> NodeControlClient::splitLine(const char *line)
{
return Utils::split(line," ","\\","\"");
}
const char *NodeControlClient::authTokenDefaultUserPath()
{
static std::string dlp;
static Mutex dlp_m;
Mutex::Lock _l(dlp_m);
#ifdef __WINDOWS__
if (!dlp.length()) {
char buf[16384];
if (SUCCEEDED(SHGetFolderPathA(NULL,CSIDL_APPDATA,NULL,0,buf)))
dlp = (std::string(buf) + "\\ZeroTier\\One\\authtoken.secret");
}
#else // not __WINDOWS__
if (!dlp.length()) {
const char *home = getenv("HOME");
if (home) {
#ifdef __APPLE__
dlp = (std::string(home) + "/Library/Application Support/ZeroTier/One/authtoken.secret");
#else
dlp = (std::string(home) + "/.zeroTierOneAuthToken");
#endif
}
}
#endif // __WINDOWS__ or not __WINDOWS__
return dlp.c_str();
}
const char *NodeControlClient::authTokenDefaultSystemPath()
{
static std::string dsp;
static Mutex dsp_m;
Mutex::Lock _l(dsp_m);
if (!dsp.length())
dsp = (ZT_DEFAULTS.defaultHomePath + ZT_PATH_SEPARATOR_S"authtoken.secret");
return dsp.c_str();
}
} // namespace ZeroTier
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