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https://github.com/DarkflameUniverse/DarkflameServer.git
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Add proper sanitizing for input to SQLite database.
Adds function `ExecuteQueryWithArgs(query, ...)` to allow for queries with user input. There is a known issue, that the funciton does not work with std::string. All strings must be converted to c strings.
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f7b3a1ef10
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@ -40,4 +40,18 @@ namespace CDClientDatabase {
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*/
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CppSQLite3Query ExecuteQuery(const std::string& query);
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//! Queries the CDClient and parses arguments
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/*!
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\param query The query with formatted arguments
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\return the results of the query
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*/
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// Due to the template, implementation must be in the header.
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template <typename... Args>
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CppSQLite3Query ExecuteQueryWithArgs(const std::string& query, Args... args) {
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CppSQLite3Buffer sqlBuf;
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sqlBuf.format(query.c_str(), args...);
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std::string safe_query = (const char *) sqlBuf;
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return ExecuteQuery(safe_query);
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}
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};
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@ -352,19 +352,20 @@ void Behavior::PlayFx(std::u16string type, const LWOOBJID target, const LWOOBJID
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}
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}
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std::stringstream query;
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CppSQLite3Query result;
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if (!type.empty())
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{
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query << "SELECT effectName FROM BehaviorEffect WHERE effectType = '" << typeString << "' AND effectID = " << std::to_string(effectId) << ";";
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result = CDClientDatabase::ExecuteQueryWithArgs(
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"SELECT effectName FROM BehaviorEffect WHERE effectType = %Q AND effectID = %u;",
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typeString.c_str(), effectId);
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}
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else
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{
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query << "SELECT effectName, effectType FROM BehaviorEffect WHERE effectID = " << std::to_string(effectId) << ";";
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result = CDClientDatabase::ExecuteQueryWithArgs(
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"SELECT effectName, effectType FROM BehaviorEffect WHERE effectID = %u;",
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effectId);
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}
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auto result = CDClientDatabase::ExecuteQuery(query.str());
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if (result.eof() || result.fieldIsNull(0))
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{
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return;
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@ -301,7 +301,7 @@ void SlashCommandHandler::HandleChatCommand(const std::u16string& command, Entit
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return;
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}
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if ((chatCommand == "leave-zone")) {
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if (chatCommand == "leave-zone") {
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const auto currentZone = dZoneManager::Instance()->GetZone()->GetZoneID().GetMapID();
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auto newZone = 1100;
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@ -354,7 +354,7 @@ void SlashCommandHandler::HandleChatCommand(const std::u16string& command, Entit
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});
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}
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if ((chatCommand == "join" && !args.empty())) {
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if (chatCommand == "join" && !args.empty()) {
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ChatPackets::SendSystemMessage(sysAddr, u"Requesting private map...");
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const auto& password = args[0];
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@ -1243,8 +1243,12 @@ void SlashCommandHandler::HandleChatCommand(const std::u16string& command, Entit
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}
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if (chatCommand == "lookup" && entity->GetGMLevel() >= GAME_MASTER_LEVEL_DEVELOPER && args.size() == 1) {
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std::string query = "SELECT `id`, `name` FROM `Objects` WHERE `displayName` LIKE '%" + args[0] + "%' OR `name` LIKE '%" + args[0] + "%' OR `description` LIKE '%" + args[0] + "%'";
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auto tables = CDClientDatabase::ExecuteQuery(query.c_str());
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std::string query = "%" + args[0] + "%";
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const char* query_cstr = query.c_str();
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auto tables = CDClientDatabase::ExecuteQueryWithArgs(
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"SELECT `id`, `name` FROM `Objects` WHERE `displayName` LIKE %Q OR `name` LIKE %Q OR `description` LIKE %Q LIMIT 50",
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query_cstr, query_cstr, query_cstr);
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while (!tables.eof()) {
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std::string message = std::to_string(tables.getIntField(0)) + " - " + tables.getStringField(1);
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ChatPackets::SendSystemMessage(sysAddr, GeneralUtils::ASCIIToUTF16(message, message.size()));
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@ -2010,4 +2014,3 @@ void SlashCommandHandler::SendAnnouncement(const std::string& title, const std::
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Game::chatServer->Send(&bitStream, SYSTEM_PRIORITY, RELIABLE, 0, Game::chatSysAddr, false);
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}
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