diff options
Diffstat (limited to 'node/Node.cpp')
| -rw-r--r-- | node/Node.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/node/Node.cpp b/node/Node.cpp index 976de742..265b77e4 100644 --- a/node/Node.cpp +++ b/node/Node.cpp @@ -193,8 +193,11 @@ Node::ReasonForTermination Node::run() std::string ovsPath(_r->homePath + ZT_PATH_SEPARATOR_S + "thisdeviceismine"); if (((Utils::now() - Utils::getLastModified(ovsPath.c_str())) >= ZT_OVS_GENERATE_NEW_IF_OLDER_THAN)||(!Utils::readFile(ovsPath.c_str(),_r->ownershipVerificationSecret))) { _r->ownershipVerificationSecret = ""; - for(unsigned int i=0;i<24;++i) - _r->ownershipVerificationSecret.push_back("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"[Utils::randomInt<unsigned int>() % 62]); + unsigned int securern = 0; + for(unsigned int i=0;i<24;++i) { + Utils::getSecureRandom(&securern,sizeof(securern)); + _r->ownershipVerificationSecret.push_back("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"[securern % 62]); + } _r->ownershipVerificationSecret.append(ZT_EOL_S); if (!Utils::writeFile(ovsPath.c_str(),_r->ownershipVerificationSecret)) return impl->terminateBecause(Node::NODE_UNRECOVERABLE_ERROR,"could not write 'thisdeviceismine' (home path not writable?)"); |