mirror of
https://github.com/redstrate/Kawari.git
synced 2025-04-25 00:17:45 +00:00
Split up and move lobby packet handling
This commit is contained in:
parent
ca5fa8e8b9
commit
0c5c784d0f
2 changed files with 302 additions and 272 deletions
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@ -1,6 +1,13 @@
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use kawari::packet::{State, parse_packet};
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use tokio::io::AsyncReadExt;
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use tokio::net::TcpListener;
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use std::cmp::min;
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use std::time::{SystemTime, UNIX_EPOCH};
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use kawari::encryption::{blowfish_encode, generate_encryption_key};
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use kawari::ipc::{CharacterDetails, IPCOpCode, IPCSegment, IPCStructData, Server, ServiceAccount};
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use kawari::packet::{
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PacketSegment, SegmentType, State, parse_packet, send_keep_alive, send_packet,
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};
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use tokio::io::{AsyncReadExt, WriteHalf};
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use tokio::net::{TcpListener, TcpStream};
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#[tokio::main]
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async fn main() {
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@ -22,9 +29,269 @@ async fn main() {
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let n = read.read(&mut buf).await.expect("Failed to read data!");
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if n != 0 {
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parse_packet(&mut write, &buf[..n], &mut state).await;
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let segments = parse_packet(&buf[..n], &mut state).await;
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for segment in &segments {
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match &segment.segment_type {
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SegmentType::InitializeEncryption { phrase, key } => {
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initialize_encryption(&mut write, &mut state, phrase, key).await;
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}
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SegmentType::Ipc { data } => match &data.data {
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IPCStructData::ClientVersionInfo {
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session_id,
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version_info,
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} => {
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tracing::info!(
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"Client {session_id} ({version_info}) logging in!"
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);
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send_account_list(&mut write, &state).await;
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}
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IPCStructData::RequestCharacterList { sequence } => {
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tracing::info!("Client is requesting character list...");
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send_lobby_info(&mut write, &state, *sequence).await;
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}
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_ => {
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panic!("The server is recieving a IPC response packet!")
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}
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},
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SegmentType::KeepAlive { id, timestamp } => {
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send_keep_alive(&mut write, &state, *id, *timestamp).await
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}
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_ => {
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panic!("The server is recieving a response packet!")
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}
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}
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}
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}
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}
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});
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}
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}
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async fn initialize_encryption(
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socket: &mut WriteHalf<TcpStream>,
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state: &mut State,
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phrase: &str,
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key: &[u8; 4],
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) {
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// Generate an encryption key for this client
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state.client_key = Some(generate_encryption_key(key, phrase));
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let mut data = 0xE0003C2Au32.to_le_bytes().to_vec();
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data.resize(0x280, 0);
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unsafe {
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let result = blowfish_encode(state.client_key.unwrap().as_ptr(), 16, data.as_ptr(), 0x280);
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data = std::slice::from_raw_parts(result, 0x280).to_vec();
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}
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let response_packet = PacketSegment {
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source_actor: 0,
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target_actor: 0,
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segment_type: SegmentType::InitializationEncryptionResponse { data },
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};
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send_packet(socket, &[response_packet], state).await;
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}
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async fn send_account_list(socket: &mut WriteHalf<TcpStream>, state: &State) {
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let timestamp: u32 = SystemTime::now()
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.duration_since(UNIX_EPOCH)
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.expect("Failed to get UNIX timestamp!")
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.as_secs()
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.try_into()
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.unwrap();
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// send the client the service account list
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let mut service_accounts = [ServiceAccount {
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id: 0x002E4A2B,
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unk1: 0,
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index: 0,
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name: "FINAL FANTASY XIV".to_string(),
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}]
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.to_vec();
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// add any empty boys
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service_accounts.resize(8, ServiceAccount::default());
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let service_account_list = IPCStructData::LobbyServiceAccountList {
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sequence: 0,
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num_service_accounts: service_accounts.len() as u8,
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unk1: 3,
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unk2: 0x99,
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service_accounts: service_accounts.to_vec(),
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};
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let ipc = IPCSegment {
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unk1: 0,
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unk2: 0,
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op_code: IPCOpCode::LobbyServiceAccountList,
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server_id: 0,
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timestamp,
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data: service_account_list,
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};
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let response_packet = PacketSegment {
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source_actor: 0,
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target_actor: 0,
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segment_type: SegmentType::Ipc { data: ipc },
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};
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send_packet(socket, &[response_packet], state).await;
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}
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async fn send_lobby_info(socket: &mut WriteHalf<TcpStream>, state: &State, sequence: u64) {
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let timestamp: u32 = SystemTime::now()
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.duration_since(UNIX_EPOCH)
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.expect("Failed to get UNIX timestamp!")
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.as_secs()
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.try_into()
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.unwrap();
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let mut packets = Vec::new();
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// send them the character list
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{
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let mut servers = [Server {
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id: 21,
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index: 0,
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flags: 0,
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icon: 0,
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name: "KAWARI".to_string(),
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}]
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.to_vec();
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// add any empty boys
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servers.resize(6, Server::default());
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let lobby_server_list = IPCStructData::LobbyServerList {
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sequence: 0,
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unk1: 1,
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offset: 0,
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num_servers: 1,
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servers,
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};
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let ipc = IPCSegment {
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unk1: 0,
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unk2: 0,
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op_code: IPCOpCode::LobbyServerList,
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server_id: 0,
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timestamp,
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data: lobby_server_list,
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};
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let response_packet = PacketSegment {
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source_actor: 0,
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target_actor: 0,
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segment_type: SegmentType::Ipc { data: ipc },
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};
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packets.push(response_packet);
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}
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// send them the retainer list
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{
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let lobby_retainer_list = IPCStructData::LobbyRetainerList { unk1: 1 };
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let ipc = IPCSegment {
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unk1: 0,
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unk2: 0,
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op_code: IPCOpCode::LobbyRetainerList,
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server_id: 0,
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timestamp,
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data: lobby_retainer_list,
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};
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let response_packet = PacketSegment {
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source_actor: 0,
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target_actor: 0,
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segment_type: SegmentType::Ipc { data: ipc },
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};
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packets.push(response_packet);
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}
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send_packet(socket, &packets, state).await;
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// now send them the character list
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{
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let mut characters = vec![CharacterDetails {
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id: 0,
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content_id: 11111111111111111,
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index: 0,
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server_id: 21,
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server_id1: 21,
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unk1: [0; 16],
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character_name: "test".to_string(),
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character_server_name: "test".to_string(),
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character_server_name1: "test".to_string(),
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character_detail_json: "test".to_string(),
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unk2: [0; 20],
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}];
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// add any empty boys
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characters.resize(2, CharacterDetails::default());
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for i in 0..4 {
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let mut characters_in_packet = Vec::new();
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for _ in 0..min(characters.len(), 2) {
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characters_in_packet.push(characters.swap_remove(0));
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}
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let lobby_character_list = if i == 3 {
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// On the last packet, add the account-wide information
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IPCStructData::LobbyCharacterList {
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sequence,
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counter: (i * 4) + 1, // TODO: why the + 1 here?
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num_in_packet: characters_in_packet.len() as u8,
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unk1: 0,
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unk2: 0,
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unk3: 0,
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unk4: 128,
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unk5: [0; 7],
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unk6: 0,
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veteran_rank: 0,
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unk7: 0,
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days_subscribed: 0,
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remaining_days: 0,
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days_to_next_rank: 0,
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max_characters_on_world: 20,
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unk8: 8,
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entitled_expansion: 4,
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characters: characters_in_packet,
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}
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} else {
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IPCStructData::LobbyCharacterList {
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sequence,
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counter: i * 4,
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num_in_packet: characters_in_packet.len() as u8,
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unk1: 0,
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unk2: 0,
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unk3: 0,
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unk4: 0,
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unk5: [0; 7],
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unk6: 0,
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veteran_rank: 0,
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unk7: 0,
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days_subscribed: 0,
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remaining_days: 0,
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days_to_next_rank: 0,
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max_characters_on_world: 0,
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unk8: 0,
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entitled_expansion: 0,
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characters: characters_in_packet,
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}
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};
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let ipc = IPCSegment {
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unk1: 0,
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unk2: 0,
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op_code: IPCOpCode::LobbyCharacterList,
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server_id: 0,
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timestamp,
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data: lobby_character_list,
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};
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let response_packet = PacketSegment {
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source_actor: 0,
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target_actor: 0,
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segment_type: SegmentType::Ipc { data: ipc },
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};
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send_packet(socket, &[response_packet], state).await;
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}
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}
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}
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299
src/packet.rs
299
src/packet.rs
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@ -1,5 +1,4 @@
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use std::{
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cmp::min,
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fs::write,
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io::Cursor,
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time::{SystemTime, UNIX_EPOCH},
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@ -13,8 +12,8 @@ use tokio::{
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use crate::{
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common::{read_bool_from, read_string, write_bool_as},
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encryption::{blowfish_encode, decrypt, encrypt, generate_encryption_key},
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ipc::{CharacterDetails, IPCOpCode, IPCSegment, IPCStructData, Server, ServiceAccount},
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encryption::{decrypt, encrypt},
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ipc::IPCSegment,
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};
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#[binrw]
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@ -30,7 +29,7 @@ enum ConnectionType {
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#[binrw]
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#[brw(import(size: u32, encryption_key: Option<&[u8]>))]
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#[derive(Debug, Clone)]
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enum SegmentType {
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pub enum SegmentType {
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// Client->Server Packets
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#[brw(magic = 0x9u32)]
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InitializeEncryption {
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@ -82,13 +81,13 @@ struct PacketHeader {
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#[binrw]
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#[brw(import(encryption_key: Option<&[u8]>))]
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#[derive(Debug, Clone)]
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struct PacketSegment {
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pub struct PacketSegment {
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#[bw(calc = self.calc_size())]
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size: u32,
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source_actor: u32,
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target_actor: u32,
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pub size: u32,
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pub source_actor: u32,
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pub target_actor: u32,
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#[brw(args(size, encryption_key))]
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segment_type: SegmentType,
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pub segment_type: SegmentType,
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}
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impl PacketSegment {
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@ -120,7 +119,11 @@ fn dump(msg: &str, data: &[u8]) {
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panic!("{msg} Dumped to packet.bin.");
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}
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async fn send_packet(socket: &mut WriteHalf<TcpStream>, segments: &[PacketSegment], state: &State) {
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pub async fn send_packet(
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socket: &mut WriteHalf<TcpStream>,
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segments: &[PacketSegment],
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state: &State,
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) {
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let timestamp: u64 = SystemTime::now()
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.duration_since(UNIX_EPOCH)
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.expect("Failed to get UNIX timestamp!")
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@ -175,7 +178,7 @@ pub struct State {
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pub client_key: Option<[u8; 16]>,
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}
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pub async fn parse_packet(socket: &mut WriteHalf<TcpStream>, data: &[u8], state: &mut State) {
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pub async fn parse_packet(data: &[u8], state: &mut State) -> Vec<PacketSegment> {
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let mut cursor = Cursor::new(data);
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match Packet::read_le_args(
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@ -192,267 +195,27 @@ pub async fn parse_packet(socket: &mut WriteHalf<TcpStream>, data: &[u8], state:
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);
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}
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for segment in &packet.segments {
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match &segment.segment_type {
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SegmentType::InitializeEncryption { phrase, key } => {
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// Generate an encryption key for this client
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state.client_key = Some(generate_encryption_key(key, phrase));
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let mut data = 0xE0003C2Au32.to_le_bytes().to_vec();
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data.resize(0x280, 0);
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unsafe {
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let result = blowfish_encode(
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state.client_key.unwrap().as_ptr(),
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16,
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data.as_ptr(),
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0x280,
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);
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data = std::slice::from_raw_parts(result, 0x280).to_vec();
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}
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let response_packet = PacketSegment {
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source_actor: 0,
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target_actor: 0,
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segment_type: SegmentType::InitializationEncryptionResponse { data },
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};
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send_packet(socket, &[response_packet], state).await;
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}
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SegmentType::Ipc { data } => {
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match &data.data {
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IPCStructData::ClientVersionInfo {
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session_id,
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version_info,
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} => {
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tracing::info!("Client {session_id} ({version_info}) logging in!");
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let timestamp: u32 = SystemTime::now()
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.duration_since(UNIX_EPOCH)
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.expect("Failed to get UNIX timestamp!")
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.as_secs()
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.try_into()
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.unwrap();
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// send the client the service account list
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let mut service_accounts = [ServiceAccount {
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id: 0x002E4A2B,
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unk1: 0,
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index: 0,
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name: "FINAL FANTASY XIV".to_string(),
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}]
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.to_vec();
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// add any empty boys
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service_accounts.resize(8, ServiceAccount::default());
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let service_account_list = IPCStructData::LobbyServiceAccountList {
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sequence: 0,
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num_service_accounts: service_accounts.len() as u8,
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unk1: 3,
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unk2: 0x99,
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service_accounts: service_accounts.to_vec(),
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};
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let ipc = IPCSegment {
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unk1: 0,
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unk2: 0,
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op_code: IPCOpCode::LobbyServiceAccountList,
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server_id: 0,
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timestamp,
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data: service_account_list,
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};
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let response_packet = PacketSegment {
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source_actor: 0,
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target_actor: 0,
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segment_type: SegmentType::Ipc { data: ipc },
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};
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send_packet(socket, &[response_packet], state).await;
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}
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IPCStructData::RequestCharacterList { sequence } => {
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tracing::info!("Client is requesting character list...");
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|
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let timestamp: u32 = SystemTime::now()
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.duration_since(UNIX_EPOCH)
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.expect("Failed to get UNIX timestamp!")
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.as_secs()
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.try_into()
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.unwrap();
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let mut packets = Vec::new();
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// send them the character list
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{
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let mut servers = [Server {
|
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id: 21,
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index: 0,
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flags: 0,
|
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icon: 0,
|
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name: "KAWARI".to_string(),
|
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}]
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.to_vec();
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// add any empty boys
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servers.resize(6, Server::default());
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let lobby_server_list = IPCStructData::LobbyServerList {
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sequence: 0,
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unk1: 1,
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offset: 0,
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num_servers: 1,
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servers,
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};
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let ipc = IPCSegment {
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unk1: 0,
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unk2: 0,
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op_code: IPCOpCode::LobbyServerList,
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server_id: 0,
|
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timestamp,
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data: lobby_server_list,
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};
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let response_packet = PacketSegment {
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source_actor: 0,
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target_actor: 0,
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segment_type: SegmentType::Ipc { data: ipc },
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};
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packets.push(response_packet);
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}
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// send them the retainer list
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{
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let lobby_retainer_list =
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IPCStructData::LobbyRetainerList { unk1: 1 };
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|
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let ipc = IPCSegment {
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unk1: 0,
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unk2: 0,
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op_code: IPCOpCode::LobbyRetainerList,
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server_id: 0,
|
||||
timestamp,
|
||||
data: lobby_retainer_list,
|
||||
};
|
||||
|
||||
let response_packet = PacketSegment {
|
||||
source_actor: 0,
|
||||
target_actor: 0,
|
||||
segment_type: SegmentType::Ipc { data: ipc },
|
||||
};
|
||||
packets.push(response_packet);
|
||||
}
|
||||
|
||||
send_packet(socket, &packets, state).await;
|
||||
|
||||
// now send them the character list
|
||||
{
|
||||
let mut characters = vec![CharacterDetails {
|
||||
id: 0,
|
||||
content_id: 11111111111111111,
|
||||
index: 0,
|
||||
server_id: 21,
|
||||
server_id1: 21,
|
||||
unk1: [0; 16],
|
||||
character_name: "test".to_string(),
|
||||
character_server_name: "test".to_string(),
|
||||
character_server_name1: "test".to_string(),
|
||||
character_detail_json: "test".to_string(),
|
||||
unk2: [0; 20],
|
||||
}];
|
||||
// add any empty boys
|
||||
characters.resize(2, CharacterDetails::default());
|
||||
|
||||
for i in 0..4 {
|
||||
let mut characters_in_packet = Vec::new();
|
||||
for _ in 0..min(characters.len(), 2) {
|
||||
characters_in_packet.push(characters.swap_remove(0));
|
||||
}
|
||||
|
||||
let lobby_character_list = if i == 3 {
|
||||
// On the last packet, add the account-wide information
|
||||
IPCStructData::LobbyCharacterList {
|
||||
sequence: *sequence,
|
||||
counter: (i * 4) + 1, // TODO: why the + 1 here?
|
||||
num_in_packet: characters_in_packet.len() as u8,
|
||||
unk1: 0,
|
||||
unk2: 0,
|
||||
unk3: 0,
|
||||
unk4: 128,
|
||||
unk5: [0; 7],
|
||||
unk6: 0,
|
||||
veteran_rank: 0,
|
||||
unk7: 0,
|
||||
days_subscribed: 0,
|
||||
remaining_days: 0,
|
||||
days_to_next_rank: 0,
|
||||
max_characters_on_world: 20,
|
||||
unk8: 8,
|
||||
entitled_expansion: 4,
|
||||
characters: characters_in_packet,
|
||||
}
|
||||
} else {
|
||||
IPCStructData::LobbyCharacterList {
|
||||
sequence: *sequence,
|
||||
counter: i * 4,
|
||||
num_in_packet: characters_in_packet.len() as u8,
|
||||
unk1: 0,
|
||||
unk2: 0,
|
||||
unk3: 0,
|
||||
unk4: 0,
|
||||
unk5: [0; 7],
|
||||
unk6: 0,
|
||||
veteran_rank: 0,
|
||||
unk7: 0,
|
||||
days_subscribed: 0,
|
||||
remaining_days: 0,
|
||||
days_to_next_rank: 0,
|
||||
max_characters_on_world: 0,
|
||||
unk8: 0,
|
||||
entitled_expansion: 0,
|
||||
characters: characters_in_packet,
|
||||
}
|
||||
};
|
||||
|
||||
let ipc = IPCSegment {
|
||||
unk1: 0,
|
||||
unk2: 0,
|
||||
op_code: IPCOpCode::LobbyCharacterList,
|
||||
server_id: 0,
|
||||
timestamp,
|
||||
data: lobby_character_list,
|
||||
};
|
||||
|
||||
let response_packet = PacketSegment {
|
||||
source_actor: 0,
|
||||
target_actor: 0,
|
||||
segment_type: SegmentType::Ipc { data: ipc },
|
||||
};
|
||||
send_packet(socket, &[response_packet], state).await;
|
||||
}
|
||||
}
|
||||
}
|
||||
_ => {
|
||||
panic!("The server is recieving a IPC response packet!")
|
||||
}
|
||||
}
|
||||
}
|
||||
SegmentType::KeepAlive { id, timestamp } => {
|
||||
let response_packet = PacketSegment {
|
||||
source_actor: 0,
|
||||
target_actor: 0,
|
||||
segment_type: SegmentType::KeepAliveResponse {
|
||||
id: *id,
|
||||
timestamp: *timestamp,
|
||||
},
|
||||
};
|
||||
send_packet(socket, &[response_packet], state).await;
|
||||
}
|
||||
_ => {
|
||||
panic!("The server is recieving a response packet!")
|
||||
}
|
||||
}
|
||||
}
|
||||
packet.segments
|
||||
}
|
||||
Err(err) => {
|
||||
println!("{err}");
|
||||
dump("Failed to parse packet!", data);
|
||||
|
||||
Vec::new()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub async fn send_keep_alive(
|
||||
socket: &mut WriteHalf<TcpStream>,
|
||||
state: &State,
|
||||
id: u32,
|
||||
timestamp: u32,
|
||||
) {
|
||||
let response_packet = PacketSegment {
|
||||
source_actor: 0,
|
||||
target_actor: 0,
|
||||
segment_type: SegmentType::KeepAliveResponse { id, timestamp },
|
||||
};
|
||||
send_packet(socket, &[response_packet], state).await;
|
||||
}
|
||||
|
|
Loading…
Add table
Reference in a new issue