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feat(net): implement CmdAuthReconnectChallenge

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fallenoak 2025-09-25 15:52:51 -07:00
parent 92f507820b
commit c7f9df77f1
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1 changed files with 34 additions and 2 deletions
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36
src/net/grunt/ClientLink.cpp
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@ -13,6 +13,7 @@
#define VERSION_CHALLENGE_LEN 16
#define PIN_SALT_LEN 16
#define SERVER_PROOF_LEN 20
#define RECONNECT_KEY_LEN 16
Grunt::Command<Grunt::ClientLink> Grunt::s_clientCommands[] = {
{ Grunt::ClientLink::CMD_AUTH_LOGON_CHALLENGE, "ClientLink::CMD_AUTH_LOGON_CHALLENGE", &Grunt::ClientLink::CmdAuthLogonChallenge, 0 },
@ -329,8 +330,39 @@ int32_t Grunt::ClientLink::CmdAuthLogonProof(CDataStore& msg) {
}
int32_t Grunt::ClientLink::CmdAuthReconnectChallenge(CDataStore& msg) {
// TODO
return 0;
uint8_t result;
uint8_t* reconnectKey;
uint8_t* versionChallenge;
if (!CanRead(msg, sizeof(result) + RECONNECT_KEY_LEN)) {
return 0;
}
msg.Get(result);
// Reconnect auth failure (result != 0)
if (result != 0) {
return 1;
}
// Reconnect auth success (result == 0)
msg.GetDataInSitu(reinterpret_cast<void*&>(reconnectKey), RECONNECT_KEY_LEN);
msg.GetDataInSitu(reinterpret_cast<void*&>(versionChallenge), VERSION_CHALLENGE_LEN);
if (!msg.IsValid()) {
return 1;
}
// The client appears to overwrite the first half of m_serverPublicKey during reconnects
memcpy(this->m_serverPublicKey, reconnectKey, RECONNECT_KEY_LEN);
this->SetState(STATE_RECONNECT_VERSION);
this->m_clientResponse->GetVersionProof(versionChallenge);
return 2;
}
int32_t Grunt::ClientLink::CmdAuthReconnectProof(CDataStore& msg) {