diff options
Diffstat (limited to 'src/modules/m_spanningtree/treesocket2.cpp')
-rw-r--r-- | src/modules/m_spanningtree/treesocket2.cpp | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/src/modules/m_spanningtree/treesocket2.cpp b/src/modules/m_spanningtree/treesocket2.cpp index 5f8cafb53..6c0418a0b 100644 --- a/src/modules/m_spanningtree/treesocket2.cpp +++ b/src/modules/m_spanningtree/treesocket2.cpp @@ -814,6 +814,24 @@ bool TreeSocket::RemoteServer(const std::string &prefix, std::deque<std::string> return true; } +bool TreeSocket::ComparePass(const std::string &ours, const std::string &theirs) +{ + if ((!strncmp(ours.c_str(), "HMAC-SHA256:", 12)) || (!strncmp(theirs.c_str(), "HMAC-SHA256:", 12))) + { + /* One or both of us specified hmac sha256, but we don't have sha256 module loaded! + * We can't allow this password as valid. + */ + if (!Instance->FindModule("m_sha256.so") || !Utils->ChallengeResponse) + return false; + else + /* Straight string compare of hashes */ + return ours == theirs; + } + else + /* Straight string compare of plaintext */ + return ours == theirs; +} + bool TreeSocket::Outbound_Reply_Server(std::deque<std::string> ¶ms) { if (params.size() < 4) @@ -833,7 +851,7 @@ bool TreeSocket::Outbound_Reply_Server(std::deque<std::string> ¶ms) std::string description = params[3]; for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) { - if ((x->Name == servername) && (this->MakePass(x->RecvPass,this->GetOurChallenge()) == password)) + if ((x->Name == servername) && (ComparePass(this->MakePass(x->RecvPass,this->GetOurChallenge()),password))) { TreeServer* CheckDupe = Utils->FindServer(sname); if (CheckDupe) @@ -882,7 +900,7 @@ bool TreeSocket::Inbound_Server(std::deque<std::string> ¶ms) std::string description = params[3]; for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) { - if ((x->Name == servername) && (this->MakePass(x->RecvPass,this->GetOurChallenge()) == password)) + if ((x->Name == servername) && (ComparePass(this->MakePass(x->RecvPass,this->GetOurChallenge()),password))) { TreeServer* CheckDupe = Utils->FindServer(sname); if (CheckDupe) |