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- /*
- * ZeroTier One - Global Peer to Peer Ethernet
- * Copyright (C) 2011-2015 ZeroTier Networks
- *
- * 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"
- #ifdef __WINDOWS__
- #include <WinSock2.h>
- #include <Windows.h>
- #include <tchar.h>
- #include <wchar.h>
- #include <ShlObj.h>
- #endif // __WINDOWS__
- namespace ZeroTier {
- struct _NodeControlClientImpl
- {
- void (*resultHandler)(void *,const char *);
- void *arg;
- bool ignoreNextBreak;
- 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)->ignoreNextBreak = true;
- } else if ((((_NodeControlClientImpl *)arg)->ignoreNextBreak)&&(!strcmp(result,"."))) {
- ((_NodeControlClientImpl *)arg)->ignoreNextBreak = false;
- } else ((_NodeControlClientImpl *)arg)->resultHandler(((_NodeControlClientImpl *)arg)->arg,result);
- }
- }
- NodeControlClient::NodeControlClient(const char *ep,const char *authToken,void (*resultHandler)(void *,const char *),void *arg)
- throw() :
- _impl((void *)new _NodeControlClientImpl)
- {
- _NodeControlClientImpl *impl = (_NodeControlClientImpl *)_impl;
- impl->resultHandler = resultHandler;
- impl->arg = arg;
- impl->ignoreNextBreak = false;
- try {
- impl->ipcc = new IpcConnection(ep,ZT_IPC_TIMEOUT,&_CBipcResultHandler,_impl);
- impl->ipcc->printf("auth %s"ZT_EOL_S,authToken);
- } catch ( ... ) {
- impl->ipcc = (IpcConnection *)0;
- impl->err = "failure connecting to running ZeroTier One service";
- }
- }
- 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();
- }
- std::string NodeControlClient::getAuthToken(const char *path,bool generateIfNotFound)
- {
- unsigned char randbuf[24];
- std::string token;
- if (Utils::readFile(path,token))
- return Utils::trim(token);
- else token = "";
- if (generateIfNotFound) {
- Utils::getSecureRandom(randbuf,sizeof(randbuf));
- for(unsigned int i=0;i<sizeof(randbuf);++i)
- token.push_back(("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")[(unsigned int)randbuf[i] % 62]);
- if (!Utils::writeFile(path,token))
- return std::string();
- Utils::lockDownFile(path,false);
- }
- return token;
- }
- } // namespace ZeroTier
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