Chat strings are now sanitized.

* Only plain, printable ASCII is allowed for now.
* Local chat is now printed to the server console, but group chat is
still private
* Added a helper function to print character names and IDs
This commit is contained in:
dongresource 2020-10-31 21:31:25 +01:00
parent 1a405034af
commit a1145aced4
6 changed files with 64 additions and 11 deletions

View File

@ -474,7 +474,9 @@ void ChatManager::chatHandler(CNSocket* sock, CNPacketData* data) {
sP_CL2FE_REQ_SEND_FREECHAT_MESSAGE* chat = (sP_CL2FE_REQ_SEND_FREECHAT_MESSAGE*)data->buf;
Player* plr = PlayerManager::getPlayer(sock);
std::string fullChat = U16toU8(chat->szFreeChat);
std::string fullChat = sanitizeText(U16toU8(chat->szFreeChat));
std::cout << "[FreeChat] " << PlayerManager::getPlayerName(plr, false) << ": " << fullChat << std::endl;
if (fullChat.length() > 1 && fullChat[0] == CMD_PREFIX) { // PREFIX
runCmd(fullChat, sock);
@ -483,9 +485,11 @@ void ChatManager::chatHandler(CNSocket* sock, CNPacketData* data) {
// send to client
INITSTRUCT(sP_FE2CL_REP_SEND_FREECHAT_MESSAGE_SUCC, resp);
memcpy(resp.szFreeChat, chat->szFreeChat, sizeof(chat->szFreeChat));
U8toU16(fullChat, (char16_t*)&resp.szFreeChat, sizeof(resp.szFreeChat));
resp.iPC_ID = plr->iID;
resp.iEmoteCode = chat->iEmoteCode;
sock->sendPacket((void*)&resp, P_FE2CL_REP_SEND_FREECHAT_MESSAGE_SUCC, sizeof(sP_FE2CL_REP_SEND_FREECHAT_MESSAGE_SUCC));
// send to visible players
@ -495,13 +499,21 @@ void ChatManager::chatHandler(CNSocket* sock, CNPacketData* data) {
void ChatManager::menuChatHandler(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2FE_REQ_SEND_MENUCHAT_MESSAGE))
return; // malformed packet
sP_CL2FE_REQ_SEND_MENUCHAT_MESSAGE* chat = (sP_CL2FE_REQ_SEND_MENUCHAT_MESSAGE*)data->buf;
Player *plr = PlayerManager::getPlayer(sock);
std::string fullChat = sanitizeText(U16toU8(chat->szFreeChat));
std::cout << "[MenuChat] " << PlayerManager::getPlayerName(plr, false) << ": " << fullChat << std::endl;
// send to client
INITSTRUCT(sP_FE2CL_REP_SEND_MENUCHAT_MESSAGE_SUCC, resp);
memcpy(resp.szFreeChat, chat->szFreeChat, sizeof(chat->szFreeChat));
U8toU16(fullChat, (char16_t*)&resp.szFreeChat, sizeof(resp.szFreeChat));
resp.iPC_ID = PlayerManager::players[sock].plr->iID;
resp.iEmoteCode = chat->iEmoteCode;
sock->sendPacket((void*)&resp, P_FE2CL_REP_SEND_MENUCHAT_MESSAGE_SUCC, sizeof(sP_FE2CL_REP_SEND_MENUCHAT_MESSAGE_SUCC));
// send to visible players
@ -537,3 +549,20 @@ void ChatManager::sendServerMessage(CNSocket* sock, std::string msg) {
// send the packet :)
sock->sendPacket((void*)&motd, P_FE2CL_PC_MOTD_LOGIN, sizeof(sP_FE2CL_PC_MOTD_LOGIN));
}
// we only allow plain ascii, at least for now
std::string ChatManager::sanitizeText(std::string text) {
int i;
char buf[128];
i = 0;
for (char c : text) {
if (i >= 127)
break;
if (c >= ' ' && c <= '~')
buf[i++] = c;
}
buf[i] = 0;
return std::string(buf);
}

View File

@ -26,4 +26,6 @@ namespace ChatManager {
void emoteHandler(CNSocket* sock, CNPacketData* data);
void menuChatHandler(CNSocket* sock, CNPacketData* data);
void sendServerMessage(CNSocket* sock, std::string msg); // uses MOTD
std::string sanitizeText(std::string text);
}

View File

@ -171,14 +171,18 @@ void GroupManager::chatGroup(CNSocket* sock, CNPacketData* data) {
Player* plr = PlayerManager::getPlayer(sock);
Player* otherPlr = PlayerManager::getPlayerFromID(plr->iIDGroup);
std::string fullChat = ChatManager::sanitizeText(U16toU8(chat->szFreeChat));
if (plr == nullptr || otherPlr == nullptr)
return;
// send to client
INITSTRUCT(sP_FE2CL_REP_SEND_ALL_GROUP_FREECHAT_MESSAGE_SUCC, resp);
memcpy(resp.szFreeChat, chat->szFreeChat, sizeof(chat->szFreeChat));
U8toU16(fullChat, (char16_t*)&resp.szFreeChat, sizeof(resp.szFreeChat));
resp.iSendPCID = plr->iID;
resp.iEmoteCode = chat->iEmoteCode;
sendToGroup(otherPlr, (void*)&resp, P_FE2CL_REP_SEND_ALL_GROUP_FREECHAT_MESSAGE_SUCC, sizeof(sP_FE2CL_REP_SEND_ALL_GROUP_FREECHAT_MESSAGE_SUCC));
}
@ -190,14 +194,18 @@ void GroupManager::menuChatGroup(CNSocket* sock, CNPacketData* data) {
Player* plr = PlayerManager::getPlayer(sock);
Player* otherPlr = PlayerManager::getPlayerFromID(plr->iIDGroup);
std::string fullChat = ChatManager::sanitizeText(U16toU8(chat->szFreeChat));
if (plr == nullptr || otherPlr == nullptr)
return;
// send to client
INITSTRUCT(sP_FE2CL_REP_SEND_ALL_GROUP_MENUCHAT_MESSAGE_SUCC, resp);
memcpy(resp.szFreeChat, chat->szFreeChat, sizeof(chat->szFreeChat));
U8toU16(fullChat, (char16_t*)&resp.szFreeChat, sizeof(resp.szFreeChat));
resp.iSendPCID = plr->iID;
resp.iEmoteCode = chat->iEmoteCode;
sendToGroup(otherPlr, (void*)&resp, P_FE2CL_REP_SEND_ALL_GROUP_MENUCHAT_MESSAGE_SUCC, sizeof(sP_FE2CL_REP_SEND_ALL_GROUP_MENUCHAT_MESSAGE_SUCC));
}

View File

@ -124,7 +124,7 @@ void NanoManager::nanoGMGiveHandler(CNSocket* sock, CNPacketData* data) {
addNano(sock, nano->iNanoID, 0);
DEBUGLOG(
std::cout << U16toU8(plr->PCStyle.szFirstName) << U16toU8(plr->PCStyle.szLastName) << " requested to add nano id: " << nano->iNanoID << std::endl;
std::cout << PlayerManager::getPlayerName(plr) << " requested to add nano id: " << nano->iNanoID << std::endl;
)
}
@ -142,7 +142,7 @@ void NanoManager::nanoSummonHandler(CNSocket* sock, CNPacketData* data) {
// Send to client
DEBUGLOG(
std::cout << U16toU8(plr->PCStyle.szFirstName) << U16toU8(plr->PCStyle.szLastName) << " requested to summon nano slot: " << pkt->iNanoSlotNum << std::endl;
std::cout << PlayerManager::getPlayerName(plr) << " requested to summon nano slot: " << pkt->iNanoSlotNum << std::endl;
)
}
@ -156,7 +156,7 @@ void NanoManager::nanoSkillUseHandler(CNSocket* sock, CNPacketData* data) {
int16_t skillId = plr->Nanos[nanoId].iSkillID;
DEBUGLOG(
std::cout << U16toU8(plr->PCStyle.szFirstName) << U16toU8(plr->PCStyle.szLastName) << " requested to summon nano skill " << std::endl;
std::cout << PlayerManager::getPlayerName(plr) << " requested to summon nano skill " << std::endl;
)
for (auto& pwr : ActivePowers)
@ -418,7 +418,7 @@ void NanoManager::setNanoSkill(CNSocket* sock, sP_CL2FE_REQ_NANO_TUNE* skill) {
sock->sendPacket((void*)&resp, P_FE2CL_REP_NANO_TUNE_SUCC, sizeof(sP_FE2CL_REP_NANO_TUNE_SUCC));
DEBUGLOG(
std::cout << U16toU8(plr->PCStyle.szFirstName) << U16toU8(plr->PCStyle.szLastName) << " set skill id " << skill->iTuneID << " for nano: " << skill->iNanoID << std::endl;
std::cout << PlayerManager::getPlayerName(plr) << " set skill id " << skill->iTuneID << " for nano: " << skill->iNanoID << std::endl;
)
}

View File

@ -58,7 +58,7 @@ void PlayerManager::addPlayer(CNSocket* key, Player plr) {
key->plr = p;
std::cout << U16toU8(plr.PCStyle.szFirstName) << " " << U16toU8(plr.PCStyle.szLastName) << " has joined!" << std::endl;
std::cout << getPlayerName(p) << " has joined!" << std::endl;
std::cout << players.size() << " players" << std::endl;
}
@ -78,7 +78,7 @@ void PlayerManager::removePlayer(CNSocket* key) {
if (ChunkManager::chunks.find(view.chunkPos) != ChunkManager::chunks.end())
ChunkManager::chunks[view.chunkPos]->players.erase(key);
std::cout << U16toU8(view.plr->PCStyle.szFirstName) << " " << U16toU8(view.plr->PCStyle.szLastName) << " (PlayerId = " << view.plr->iID << ") has left!" << std::endl;
std::cout << getPlayerName(key->plr) << " has left!" << std::endl;
key->plr = nullptr;
delete view.plr;
@ -945,6 +945,19 @@ Player *PlayerManager::getPlayer(CNSocket* key) {
return nullptr;
}
std::string PlayerManager::getPlayerName(Player *plr, bool id) {
// the print in CNShardServer can print packets from players that haven't yet joined
if (plr == nullptr)
return "NOT IN GAME";
std::string ret = U16toU8(plr->PCStyle.szFirstName) + " " + U16toU8(plr->PCStyle.szLastName);
if (id)
ret += " [" + std::to_string(plr->iID) + "]";
return ret;
}
WarpLocation PlayerManager::getRespawnPoint(Player *plr) {
WarpLocation best;
uint32_t curDist, bestDist = UINT32_MAX;

View File

@ -64,6 +64,7 @@ namespace PlayerManager {
void exitPlayerVehicle(CNSocket* sock, CNPacketData* data);
Player *getPlayer(CNSocket* key);
std::string getPlayerName(Player *plr, bool id=true);
WarpLocation getRespawnPoint(Player *plr);
bool isAccountInUse(int accountId);