diff options
Diffstat (limited to 'control/NodeControlService.cpp')
| -rw-r--r-- | control/NodeControlService.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/control/NodeControlService.cpp b/control/NodeControlService.cpp index a3b1eca6..536752cc 100644 --- a/control/NodeControlService.cpp +++ b/control/NodeControlService.cpp @@ -226,4 +226,25 @@ void NodeControlService::_doCommand(IpcConnection *ipcc,const char *commandLine) ipcc->printf("."ZT_EOL_S); // blank line ends response } +std::string NodeControlService::readOrCreateAuthtoken(const char *path,bool generateIfNotFound) +{ + unsigned char randbuf[24]; + std::string token; + + if (Utils::readFile(path,token)) + return 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 |