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[refactor] Convert CNLoginServer handlers to new sendPacket() wrapper

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Also remove malformed packet checks, since that is already validated
This commit is contained in:
CakeLancelot 2021-03-21 13:13:14 -05:00 committed by dongresource
parent b428eb08e9
commit a57953393d
1 changed files with 25 additions and 53 deletions
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78
src/servers/CNLoginServer.cpp
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@ -80,7 +80,7 @@ void loginFail(LoginError errorCode, std::string userLogin, CNSocket* sock) {
INITSTRUCT(sP_LS2CL_REP_LOGIN_FAIL, resp);
U8toU16(userLogin, resp.szID, sizeof(resp.szID));
resp.iErrorCode = (int)errorCode;
sock->sendPacket((void*)&resp, P_LS2CL_REP_LOGIN_FAIL, sizeof(sP_LS2CL_REP_LOGIN_FAIL));
sock->sendPacket(resp, P_LS2CL_REP_LOGIN_FAIL);
DEBUGLOG(
std::cout << "Login Server: Login fail. Error code " << (int)errorCode << std::endl;
@ -90,10 +90,7 @@ void loginFail(LoginError errorCode, std::string userLogin, CNSocket* sock) {
}
void CNLoginServer::login(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_LOGIN))
return; // ignore the malformed packet
sP_CL2LS_REQ_LOGIN* login = (sP_CL2LS_REQ_LOGIN*)data->buf;
auto login = (sP_CL2LS_REQ_LOGIN*)data->buf;
// TODO: implement better way of sending credentials
std::string userLogin((char*)login->szCookie_TEGid);
std::string userPassword((char*)login->szCookie_authid);
@ -125,7 +122,7 @@ void CNLoginServer::login(CNSocket* sock, CNPacketData* data) {
text += "Password has to be 8 - 32 characters long";
U8toU16(text, msg.szAnnounceMsg, sizeof(msg.szAnnounceMsg));
msg.iDuringTime = 15;
sock->sendPacket((void*)&msg, P_FE2CL_GM_REP_PC_ANNOUNCE, sizeof(sP_FE2CL_GM_REP_PC_ANNOUNCE));
sock->sendPacket(msg, P_FE2CL_GM_REP_PC_ANNOUNCE);
// we still have to send login fail to prevent softlock
return loginFail(LoginError::LOGIN_ERROR, userLogin, sock);
@ -158,7 +155,7 @@ void CNLoginServer::login(CNSocket* sock, CNPacketData* data) {
U8toU16(text, msg.szAnnounceMsg, sizeof(msg.szAnnounceMsg));
msg.iDuringTime = 99999999;
sock->sendPacket((void*)&msg, P_FE2CL_GM_REP_PC_ANNOUNCE, sizeof(sP_FE2CL_GM_REP_PC_ANNOUNCE));
sock->sendPacket(msg, P_FE2CL_GM_REP_PC_ANNOUNCE);
// don't send fail packet
return;
}
@ -194,7 +191,7 @@ void CNLoginServer::login(CNSocket* sock, CNPacketData* data) {
#endif
// send the resp in with original key
sock->sendPacket((void*)&resp, P_LS2CL_REP_LOGIN_SUCC, sizeof(sP_LS2CL_REP_LOGIN_SUCC));
sock->sendPacket(resp, P_LS2CL_REP_LOGIN_SUCC);
// update keys
sock->setEKey(CNSocketEncryption::createNewKey(resp.uiSvrTime, resp.iCharCount + 1, resp.iSlotNum + 1));
@ -210,7 +207,7 @@ void CNLoginServer::login(CNSocket* sock, CNPacketData* data) {
// now send the characters :)
std::vector<sP_LS2CL_REP_CHAR_INFO>::iterator it;
for (it = characters.begin(); it != characters.end(); it++)
sock->sendPacket((void*)&*it, P_LS2CL_REP_CHAR_INFO, sizeof(sP_LS2CL_REP_CHAR_INFO));
sock->sendPacket(*it, P_LS2CL_REP_CHAR_INFO);
DEBUGLOG(
std::string message = "Login Server: Loaded " + std::to_string(resp.iCharCount) + " character";
@ -221,7 +218,6 @@ void CNLoginServer::login(CNSocket* sock, CNPacketData* data) {
}
void CNLoginServer::newAccount(CNSocket* sock, std::string userLogin, std::string userPassword, int32_t clientVerC) {
int userID = Database::addAccount(userLogin, userPassword);
// if query somehow failed
if (userID == 0)
@ -241,7 +237,7 @@ void CNLoginServer::newAccount(CNSocket* sock, std::string userLogin, std::strin
resp.uiSvrTime = getTime();
// send the resp in with original key
sock->sendPacket((void*)&resp, P_LS2CL_REP_LOGIN_SUCC, sizeof(sP_LS2CL_REP_LOGIN_SUCC));
sock->sendPacket(resp, P_LS2CL_REP_LOGIN_SUCC);
// update keys
sock->setEKey(CNSocketEncryption::createNewKey(resp.uiSvrTime, resp.iCharCount + 1, resp.iSlotNum + 1));
@ -253,18 +249,15 @@ void CNLoginServer::newAccount(CNSocket* sock, std::string userLogin, std::strin
}
void CNLoginServer::nameCheck(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_CHECK_CHAR_NAME))
return;
// responding to this packet only makes the client send the next packet (either name save or name change)
// so we're always sending SUCC here and actually validating the name when the next packet arrives
sP_CL2LS_REQ_CHECK_CHAR_NAME* nameCheck = (sP_CL2LS_REQ_CHECK_CHAR_NAME*)data->buf;
auto nameCheck = (sP_CL2LS_REQ_CHECK_CHAR_NAME*)data->buf;
INITSTRUCT(sP_LS2CL_REP_CHECK_CHAR_NAME_SUCC, resp);
memcpy(resp.szFirstName, nameCheck->szFirstName, sizeof(resp.szFirstName));
memcpy(resp.szLastName, nameCheck->szLastName, sizeof(resp.szLastName));
sock->sendPacket((void*)&resp, P_LS2CL_REP_CHECK_CHAR_NAME_SUCC, sizeof(sP_LS2CL_REP_CHECK_CHAR_NAME_SUCC));
sock->sendPacket(resp, P_LS2CL_REP_CHECK_CHAR_NAME_SUCC);
loginSessions[sock].lastHeartbeat = getTime();
}
@ -272,7 +265,7 @@ void CNLoginServer::nameCheck(CNSocket* sock, CNPacketData* data) {
void invalidCharacter(CNSocket* sock) {
INITSTRUCT(sP_LS2CL_REP_SHARD_SELECT_FAIL, fail);
fail.iErrorCode = 2;
sock->sendPacket((void*)&fail, P_LS2CL_REP_SHARD_SELECT_FAIL, sizeof(sP_LS2CL_REP_SHARD_SELECT_FAIL));
sock->sendPacket(fail, P_LS2CL_REP_SHARD_SELECT_FAIL);
DEBUGLOG(
std::cout << "Login Server: Selected character error" << std::endl;
@ -281,10 +274,7 @@ void invalidCharacter(CNSocket* sock) {
}
void CNLoginServer::nameSave(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_SAVE_CHAR_NAME))
return;
sP_CL2LS_REQ_SAVE_CHAR_NAME* save = (sP_CL2LS_REQ_SAVE_CHAR_NAME*)data->buf;
auto save = (sP_CL2LS_REQ_SAVE_CHAR_NAME*)data->buf;
INITSTRUCT(sP_LS2CL_REP_SAVE_CHAR_NAME_SUCC, resp);
int errorCode = 0;
@ -297,7 +287,7 @@ void CNLoginServer::nameSave(CNSocket* sock, CNPacketData* data) {
if (errorCode != 0) {
INITSTRUCT(sP_LS2CL_REP_CHECK_CHAR_NAME_FAIL, resp);
resp.iErrorCode = errorCode;
sock->sendPacket((void*)&resp, P_LS2CL_REP_CHECK_CHAR_NAME_FAIL, sizeof(sP_LS2CL_REP_CHECK_CHAR_NAME_FAIL));
sock->sendPacket(resp, P_LS2CL_REP_CHECK_CHAR_NAME_FAIL);
DEBUGLOG(
std::cout << "Login Server: name check fail. Error code " << errorCode << std::endl;
@ -323,7 +313,7 @@ void CNLoginServer::nameSave(CNSocket* sock, CNPacketData* data) {
loginSessions[sock].lastHeartbeat = getTime();
sock->sendPacket((void*)&resp, P_LS2CL_REP_SAVE_CHAR_NAME_SUCC, sizeof(sP_LS2CL_REP_SAVE_CHAR_NAME_SUCC));
sock->sendPacket(resp, P_LS2CL_REP_SAVE_CHAR_NAME_SUCC);
Database::updateSelected(loginSessions[sock].userID, save->iSlotNum);
@ -335,7 +325,6 @@ void CNLoginServer::nameSave(CNSocket* sock, CNPacketData* data) {
}
bool validateCharacterCreation(sP_CL2LS_REQ_CHAR_CREATE* character) {
// all the values have been determined from analyzing client code and xdt
// and double checked using cheat engine
@ -370,10 +359,7 @@ bool validateCharacterCreation(sP_CL2LS_REQ_CHAR_CREATE* character) {
}
void CNLoginServer::characterCreate(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_CHAR_CREATE))
return;
sP_CL2LS_REQ_CHAR_CREATE* character = (sP_CL2LS_REQ_CHAR_CREATE*)data->buf;
auto character = (sP_CL2LS_REQ_CHAR_CREATE*)data->buf;
if (!validateCharacterCreation(character))
{
@ -399,7 +385,7 @@ void CNLoginServer::characterCreate(CNSocket* sock, CNPacketData* data) {
loginSessions[sock].lastHeartbeat = getTime();
sock->sendPacket((void*)&resp, P_LS2CL_REP_CHAR_CREATE_SUCC, sizeof(sP_LS2CL_REP_CHAR_CREATE_SUCC));
sock->sendPacket(resp, P_LS2CL_REP_CHAR_CREATE_SUCC);
Database::updateSelected(loginSessions[sock].userID, player.slot);
DEBUGLOG(
@ -423,10 +409,7 @@ void CNLoginServer::characterCreate(CNSocket* sock, CNPacketData* data) {
}
void CNLoginServer::characterDelete(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_CHAR_DELETE))
return;
sP_CL2LS_REQ_CHAR_DELETE* del = (sP_CL2LS_REQ_CHAR_DELETE*)data->buf;
auto del = (sP_CL2LS_REQ_CHAR_DELETE*)data->buf;
int removedSlot = Database::deleteCharacter(del->iPC_UID, loginSessions[sock].userID);
if (removedSlot == 0)
@ -434,7 +417,7 @@ void CNLoginServer::characterDelete(CNSocket* sock, CNPacketData* data) {
INITSTRUCT(sP_LS2CL_REP_CHAR_DELETE_SUCC, resp);
resp.iSlotNum = removedSlot;
sock->sendPacket((void*)&resp, P_LS2CL_REP_CHAR_DELETE_SUCC, sizeof(sP_LS2CL_REP_CHAR_DELETE_SUCC));
sock->sendPacket(resp, P_LS2CL_REP_CHAR_DELETE_SUCC);
loginSessions[sock].lastHeartbeat = getTime();
DEBUGLOG(
@ -443,10 +426,7 @@ void CNLoginServer::characterDelete(CNSocket* sock, CNPacketData* data) {
}
void CNLoginServer::characterSelect(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_CHAR_SELECT))
return;
sP_CL2LS_REQ_CHAR_SELECT* selection = (sP_CL2LS_REQ_CHAR_SELECT*)data->buf;
auto selection = (sP_CL2LS_REQ_CHAR_SELECT*)data->buf;
// we're doing a small hack and immediately send SHARD_SELECT_SUCC
INITSTRUCT(sP_LS2CL_REP_SHARD_SELECT_SUCC, resp);
@ -484,16 +464,14 @@ void CNLoginServer::characterSelect(CNSocket* sock, CNPacketData* data) {
resp.iEnterSerialKey = passPlayer.iID;
CNSharedData::setPlayer(resp.iEnterSerialKey, passPlayer);
sock->sendPacket((void*)&resp, P_LS2CL_REP_SHARD_SELECT_SUCC, sizeof(sP_LS2CL_REP_SHARD_SELECT_SUCC));
sock->sendPacket(resp, P_LS2CL_REP_SHARD_SELECT_SUCC);
// update current slot in DB
Database::updateSelected(loginSessions[sock].userID, passPlayer.slot);
}
void CNLoginServer::finishTutorial(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_SAVE_CHAR_TUTOR))
return;
sP_CL2LS_REQ_SAVE_CHAR_TUTOR* save = (sP_CL2LS_REQ_SAVE_CHAR_TUTOR*)data->buf;
auto save = (sP_CL2LS_REQ_SAVE_CHAR_TUTOR*)data->buf;
if (!Database::finishTutorial(save->iPC_UID, loginSessions[sock].userID))
return invalidCharacter(sock);
@ -507,10 +485,7 @@ void CNLoginServer::finishTutorial(CNSocket* sock, CNPacketData* data) {
}
void CNLoginServer::changeName(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_CHANGE_CHAR_NAME))
return;
sP_CL2LS_REQ_CHANGE_CHAR_NAME* save = (sP_CL2LS_REQ_CHANGE_CHAR_NAME*)data->buf;
auto save = (sP_CL2LS_REQ_CHANGE_CHAR_NAME*)data->buf;
int errorCode = 0;
if (!CNLoginServer::isCharacterNameGood(AUTOU16TOU8(save->szFirstName), AUTOU16TOU8(save->szLastName))) {
@ -523,7 +498,7 @@ void CNLoginServer::changeName(CNSocket* sock, CNPacketData* data) {
if (errorCode != 0) {
INITSTRUCT(sP_LS2CL_REP_CHECK_CHAR_NAME_FAIL, resp);
resp.iErrorCode = errorCode;
sock->sendPacket((void*)&resp, P_LS2CL_REP_CHECK_CHAR_NAME_FAIL, sizeof(sP_LS2CL_REP_CHECK_CHAR_NAME_FAIL));
sock->sendPacket(resp, P_LS2CL_REP_CHECK_CHAR_NAME_FAIL);
DEBUGLOG(
std::cout << "Login Server: name check fail. Error code " << errorCode << std::endl;
@ -543,7 +518,7 @@ void CNLoginServer::changeName(CNSocket* sock, CNPacketData* data) {
loginSessions[sock].lastHeartbeat = getTime();
sock->sendPacket((void*)&resp, P_LS2CL_REP_CHANGE_CHAR_NAME_SUCC, sizeof(sP_LS2CL_REP_CHANGE_CHAR_NAME_SUCC));
sock->sendPacket(resp, P_LS2CL_REP_CHANGE_CHAR_NAME_SUCC);
DEBUGLOG(
std::cout << "Login Server: Name check success for character [" << save->iPCUID << "]" << std::endl;
@ -552,9 +527,6 @@ void CNLoginServer::changeName(CNSocket* sock, CNPacketData* data) {
}
void CNLoginServer::duplicateExit(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_PC_EXIT_DUPLICATE))
return;
// TODO: FIX THIS PACKET
sP_CL2LS_REQ_PC_EXIT_DUPLICATE* exit = (sP_CL2LS_REQ_PC_EXIT_DUPLICATE*)data->buf;
@ -598,7 +570,7 @@ void CNLoginServer::onStep() {
}
INITSTRUCT(sP_LS2CL_REQ_LIVE_CHECK, pkt);
pair.first->sendPacket((void*)&pkt, P_LS2CL_REQ_LIVE_CHECK, sizeof(sP_LS2CL_REQ_LIVE_CHECK));
pair.first->sendPacket(pkt, P_LS2CL_REQ_LIVE_CHECK);
}
}
@ -621,7 +593,7 @@ bool CNLoginServer::exitDuplicate(int accountId) {
CNSocket* sock = it->first;
INITSTRUCT(sP_LS2CL_REP_PC_EXIT_DUPLICATE, resp);
resp.iErrorCode = 0;
sock->sendPacket((void*)&resp, P_LS2CL_REP_PC_EXIT_DUPLICATE, sizeof(sP_LS2CL_REP_PC_EXIT_DUPLICATE));
sock->sendPacket(resp, P_LS2CL_REP_PC_EXIT_DUPLICATE);
sock->kill();
return true;
}