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Fix bounds check (#1071)

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Fix Chat Crash

Update CMakeVariables.txt

Add checks for all servers
This commit is contained in:
David Markowitz 2023-05-06 11:32:53 -07:00 committed by GitHub
parent 7949907517
commit 33c12f3bc5
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 7 additions and 1 deletions
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2
dAuthServer/AuthServer.cpp
View File

@ -171,6 +171,8 @@ dLogger* SetupLogger() {
}
void HandlePacket(Packet* packet) {
if (packet->length < 4) return;
if (packet->data[0] == ID_USER_PACKET_ENUM) {
if (static_cast<eConnectionType>(packet->data[1]) == eConnectionType::SERVER) {
if (static_cast<eServerMessageType>(packet->data[3]) == eServerMessageType::VERSION_CONFIRM) {

2
dChatServer/ChatServer.cpp
View File

@ -203,6 +203,8 @@ void HandlePacket(Packet* packet) {
Game::logger->Log("ChatServer", "A server is connecting, awaiting user list.");
}
if (packet->length < 4) return; // Nothing left to process. Need 4 bytes to continue.
if (static_cast<eConnectionType>(packet->data[1]) == eConnectionType::CHAT_INTERNAL) {
switch (static_cast<eChatInternalMessageType>(packet->data[3])) {
case eChatInternalMessageType::PLAYER_ADDED_NOTIFICATION:

2
dMasterServer/MasterServer.cpp
View File

@ -495,6 +495,8 @@ void HandlePacket(Packet* packet) {
}
}
if (packet->length < 4) return;
if (static_cast<eConnectionType>(packet->data[1]) == eConnectionType::MASTER) {
switch (static_cast<eMasterMessageType>(packet->data[3])) {
case eMasterMessageType::REQUEST_PERSISTENT_ID: {

2
dWorldServer/WorldServer.cpp
View File

@ -728,7 +728,7 @@ void HandlePacket(Packet* packet) {
Game::server->SendToMaster(&bitStream);
}
if (packet->data[0] != ID_USER_PACKET_ENUM) return;
if (packet->data[0] != ID_USER_PACKET_ENUM || packet->length < 4) return;
if (static_cast<eConnectionType>(packet->data[1]) == eConnectionType::SERVER) {
if (static_cast<eServerMessageType>(packet->data[3]) == eServerMessageType::VERSION_CONFIRM) {
AuthPackets::HandleHandshake(Game::server, packet);