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feat(net): implement reconnect path in ProveVersion

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This commit is contained in:
fallenoak 2025-09-25 22:01:00 -07:00
parent d0f138a656
commit 4312158dfa
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GPG Key ID: 7628F8E61AEA070D
1 changed files with 50 additions and 2 deletions
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52
src/net/grunt/ClientLink.cpp
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@ -3,10 +3,12 @@
#include "net/grunt/ClientResponse.hpp"
#include "net/grunt/Command.hpp"
#include "net/srp/SRP6_Random.hpp"
#include <cstring>
#include <new>
#include <common/MD5.hpp>
#include <storm/Error.hpp>
#include <storm/Memory.hpp>
#include <storm/String.hpp>
#include <cstring>
#include <new>
#define SERVER_PUBLIC_KEY_LEN 32
#define SALT_LEN 32
@ -615,6 +617,8 @@ void Grunt::ClientLink::PackLogon(CDataStore& msg, const Logon& logon) {
}
void Grunt::ClientLink::ProveVersion(const uint8_t* versionChecksum) {
STORM_ASSERT(this->m_state == STATE_CONNECT_VERSION || this->m_state == STATE_RECONNECT_VERSION);
CDataStoreCache<1024> command;
// TODO cd keys
@ -643,7 +647,51 @@ void Grunt::ClientLink::ProveVersion(const uint8_t* versionChecksum) {
uint8_t authFlags = 0x0;
command.Put(authFlags);
} else {
command.Put(static_cast<uint8_t>(CMD_AUTH_RECONNECT_PROOF));
MD5_CTX md5;
SHA1_CONTEXT sha1;
// Client salt
uint8_t clientSalt[16];
MD5Init(&md5);
MD5Update(&md5, reinterpret_cast<uint8_t*>(this->m_accountName), SStrLen(this->m_accountName));
char randomSeed[16];
// TODO
// OsSecureRandom(randomSeed, sizeof(randomSeed));
MD5Update(&md5, reinterpret_cast<uint8_t*>(randomSeed), sizeof(randomSeed));
MD5Final(clientSalt, &md5);
command.PutData(clientSalt, sizeof(clientSalt));
// Client proof
uint8_t clientProof[SHA1_DIGEST_SIZE];
SHA1_Init(&sha1);
SHA1_Update(&sha1, reinterpret_cast<uint8_t*>(this->m_accountName), SStrLen(this->m_accountName));
SHA1_Update(&sha1, clientSalt, sizeof(clientSalt));
SHA1_Update(&sha1, reinterpret_cast<uint8_t*>(this->m_serverPublicKey), RECONNECT_KEY_LEN);
SHA1_Update(&sha1, this->m_reconnectSessionKey, sizeof(this->m_reconnectSessionKey));
SHA1_Final(clientProof, &sha1);
command.PutData(clientProof, sizeof(clientProof));
// Client checksum
uint8_t clientChecksum[SHA1_DIGEST_SIZE];
SHA1_Init(&sha1);
SHA1_Update(&sha1, clientSalt, sizeof(clientSalt));
SHA1_Update(&sha1, versionChecksum, 20);
SHA1_Final(clientChecksum, &sha1);
command.PutData(clientChecksum, sizeof(clientChecksum));
// TODO cd keys
command.Put(static_cast<uint8_t>(0));
}
command.Finalize();