forked from alterware/iw6-mod
64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
#include <std_include.hpp>
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#include "bdDediAuth.hpp"
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#include "game/game.hpp"
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#include "steam/steam.hpp"
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#include <utils/cryptography.hpp>
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namespace demonware
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{
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void bdDediAuth::call_service(i_server* server, const std::string& data)
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{
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bit_buffer buffer(data);
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bool more_data;
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buffer.set_use_data_types(false);
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buffer.read_bool(&more_data);
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buffer.set_use_data_types(true);
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uint32_t seed, title_id, ticket_size;
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buffer.read_uint32(&seed);
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buffer.read_uint32(&title_id);
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uint8_t ticket[1024];
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buffer.read_bytes(std::min(ticket_size, static_cast<uint32_t>(sizeof(ticket))), ticket);
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game::bdAuthTicket auth_ticket{};
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std::memset(&auth_ticket, 0xA, sizeof auth_ticket);
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auth_ticket.m_magicNumber = 0x0EFBDADDE;
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auth_ticket.m_type = 0;
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auth_ticket.m_titleID = title_id;
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auth_ticket.m_userID = steam::SteamUser()->GetSteamID().bits;
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auth_ticket.m_licenseID = 4;
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auto key = utils::cryptography::tiger::compute(SERVER_CD_KEY);
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strcpy_s(auth_ticket.m_username, "iw6-mod server");
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std::memcpy(auth_ticket.m_sessionKey, key.data(), 24);
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auth_ticket.m_timeIssued = static_cast<uint32_t>(time(nullptr));
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uint8_t lsg_ticket[128];
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ZeroMemory(&lsg_ticket, sizeof lsg_ticket);
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std::memcpy(lsg_ticket, key.data(), 24);
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const auto iv = utils::cryptography::tiger::compute(std::string(reinterpret_cast<char*>(&seed), 4));
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const std::string enc_key(reinterpret_cast<char*>(&ticket[32]), 24);
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auto enc_ticket = utils::cryptography::des3::encrypt(
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std::string(reinterpret_cast<char*>(&auth_ticket), sizeof(auth_ticket)), iv, enc_key);
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bit_buffer response;
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response.set_use_data_types(false);
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response.write_bool(false);
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response.write_uint32(700);
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response.write_uint32(seed);
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response.write_bytes(enc_ticket.size(), enc_ticket.data());
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response.write_bytes(sizeof(lsg_ticket), lsg_ticket);
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auto reply = server->create_message(29);
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reply->send(&response, false);
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}
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}
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