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kawari/src/ipc.rs

531 lines
16 KiB
Rust

use binrw::binrw;
use crate::{
common::{read_string, write_string},
world::{
ActorControlSelf, InitZone, PlayerSetup, PlayerSpawn, PlayerStats, Position,
UpdateClassInfo,
},
};
// NOTE: See https://github.com/karashiiro/FFXIVOpcodes/blob/master/FFXIVOpcodes/Ipcs.cs for opcodes
#[binrw]
#[brw(repr = u16)]
#[derive(Clone, PartialEq, Debug)]
pub enum IPCOpCode {
/// Sent by the server to Initialize something chat-related?
InitializeChat = 0x2,
/// Sent by the client when it requests the character list in the lobby.
RequestCharacterList = 0x3,
/// Sent by the client when it requests to enter a world.
RequestEnterWorld = 0x4,
/// Sent by the client after exchanging encryption information with the lobby server.
ClientVersionInfo = 0x5,
/// Sent by the client when they request something about the character (e.g. deletion.)
LobbyCharacterAction = 0xB,
/// Sent by the server to inform the client of their service accounts.
LobbyServiceAccountList = 0xC,
/// Sent by the server to inform the client of their characters.
LobbyCharacterList = 0xD,
/// Sent by the server to tell the client how to connect to the world server.
LobbyEnterWorld = 0xF,
/// Sent by the server to inform the client of their servers.
LobbyServerList = 0x15,
/// Sent by the server to inform the client of their retainers.
LobbyRetainerList = 0x17,
/// Sent by the client when they successfully initialize with the server, and they need several bits of information (e.g. what zone to load)
InitRequest = 0x2ED,
/// Sent by the server as response to ZoneInitRequest.
InitResponse = 0x1EF,
/// Sent by the server that tells the client which zone to load
InitZone = 0x0311,
/// Sent by the server for... something
ActorControlSelf = 0x018C,
/// Sent by the server containing character stats
PlayerStats = 0x01FA,
/// Sent by the server to setup the player on the client
PlayerSetup = 0x006B,
// Sent by the server to setup class info
UpdateClassInfo = 0x006A,
// Sent by the client when they're done loading and they need to be spawned in
FinishLoading = 0x397, // TODO: assumed
// Sent by the server to spawn the player in
PlayerSpawn = 0x1AB,
// FIXME: 32 bytes of something from the client, not sure what yet
Unk1 = 0x37C,
// FIXME: 16 bytes of something from the client, not sure what yet
Unk2 = 0x1A1,
// FIXME: 8 bytes of something from the client, not sure what yet
Unk3 = 0x326,
// FIXME: 8 bytes of something from the client, not sure what yet
Unk4 = 0x143,
SetSearchInfoHandler = 0x3B2, // TODO: assumed,
// FIXME: 8 bytes of something from the client, not sure what yet
Unk5 = 0x2D0,
// FIXME: 8 bytes of something from the client, not sure what yet
Unk6 = 0x2E5,
// FIXME: 32 bytes of something from the client, not sure what yet
Unk7 = 0x2B5,
UpdatePositionHandler = 0x249, // TODO: assumed
// Sent by the client when the user requests to log out
LogOut = 0x217,
// Sent by the server to indicate the log out is complete
LogOutComplete = 0x369,
// Sent by the client when it's actually disconnecting
Disconnected = 0x360,
// Sent by the client when they send a chat message
ChatMessage = 0xCA,
}
#[binrw]
#[derive(Debug, Clone, Default)]
pub struct ServiceAccount {
pub id: u32,
pub unk1: u32,
pub index: u32,
#[bw(pad_size_to = 0x44)]
#[br(count = 0x44)]
#[br(map = read_string)]
#[bw(map = write_string)]
pub name: String,
}
#[binrw]
#[derive(Debug, Clone, Default)]
pub struct Server {
pub id: u16,
pub index: u16,
pub flags: u32,
#[brw(pad_before = 4)]
#[brw(pad_after = 4)]
pub icon: u32,
#[bw(pad_size_to = 64)]
#[br(count = 64)]
#[br(map = read_string)]
#[bw(map = write_string)]
pub name: String,
}
#[binrw]
#[derive(Debug, Clone, Default)]
pub struct CharacterDetails {
#[brw(pad_after = 4)]
pub id: u32,
pub content_id: u64,
#[brw(pad_after = 4)]
pub index: u32,
pub origin_server_id: u16,
pub current_server_id: u16,
pub unk1: [u8; 16],
#[bw(pad_size_to = 32)]
#[br(count = 32)]
#[br(map = read_string)]
#[bw(map = write_string)]
pub character_name: String,
#[bw(pad_size_to = 32)]
#[br(count = 32)]
#[br(map = read_string)]
#[bw(map = write_string)]
pub origin_server_name: String,
#[bw(pad_size_to = 32)]
#[br(count = 32)]
#[br(map = read_string)]
#[bw(map = write_string)]
pub current_server_name: String,
#[bw(pad_size_to = 1024)]
#[br(count = 1024)]
#[br(map = read_string)]
#[bw(map = write_string)]
pub character_detail_json: String,
pub unk2: [u8; 20],
}
#[binrw]
#[brw(repr = u8)]
#[derive(Clone, PartialEq, Debug)]
pub enum LobbyCharacterAction {
ReserveName = 0x1,
Create = 0x2,
Rename = 0x3,
Delete = 0x4,
Move = 0x5,
RemakeRetainer = 0x6,
RemakeChara = 0x7,
SettingsUploadBegin = 0x8,
SettingsUpload = 0xC,
WorldVisit = 0xE,
DataCenterToken = 0xF,
Request = 0x15,
}
#[binrw]
#[br(import(magic: &IPCOpCode))]
#[derive(Debug, Clone)]
pub enum IPCStructData {
// Client->Server IPC
#[br(pre_assert(*magic == IPCOpCode::ClientVersionInfo))]
ClientVersionInfo {
#[brw(pad_before = 18)] // full of nonsense i don't understand yet
#[br(count = 64)]
#[br(map = read_string)]
#[bw(ignore)]
session_id: String,
#[brw(pad_before = 8)] // empty
#[br(count = 128)]
#[br(map = read_string)]
#[bw(ignore)]
version_info: String,
// unknown stuff at the end, it's not completely empty'
},
#[br(pre_assert(*magic == IPCOpCode::RequestCharacterList))]
RequestCharacterList {
#[brw(pad_before = 16)]
sequence: u64,
// TODO: what is in here?
},
#[br(pre_assert(*magic == IPCOpCode::LobbyCharacterAction))]
LobbyCharacterAction {
request_number: u32,
unk1: u32,
character_id: u64,
#[br(pad_before = 8)]
character_index: u8,
action: LobbyCharacterAction,
world_id: u16,
#[bw(pad_size_to = 32)]
#[br(count = 32)]
#[br(map = read_string)]
#[bw(map = write_string)]
name: String,
// TODO: what else is in here?
// according to TemporalStatis, chara make data? (probably op specific)
},
#[br(pre_assert(*magic == IPCOpCode::RequestEnterWorld))]
RequestEnterWorld {
#[brw(pad_before = 16)]
sequence: u64,
lookup_id: u64,
// TODO: what else is in here?
},
#[br(pre_assert(*magic == IPCOpCode::InitRequest))]
InitRequest {
// TODO: full of possibly interesting information
#[br(dbg)]
unk: [u8; 105],
},
#[br(pre_assert(*magic == IPCOpCode::FinishLoading))]
FinishLoading {
// TODO: full of possibly interesting information
unk: [u8; 72],
},
#[br(pre_assert(*magic == IPCOpCode::Unk1))]
Unk1 {
// TODO: full of possibly interesting information
unk: [u8; 32],
},
#[br(pre_assert(*magic == IPCOpCode::Unk2))]
Unk2 {
// TODO: full of possibly interesting information
unk: [u8; 16],
},
#[br(pre_assert(*magic == IPCOpCode::Unk3))]
Unk3 {
// TODO: full of possibly interesting information
unk: [u8; 8],
},
#[br(pre_assert(*magic == IPCOpCode::Unk4))]
Unk4 {
// TODO: full of possibly interesting information
unk: [u8; 8],
},
#[br(pre_assert(*magic == IPCOpCode::SetSearchInfoHandler))]
SetSearchInfoHandler {
// TODO: full of possibly interesting information
unk: [u8; 8],
},
#[br(pre_assert(*magic == IPCOpCode::Unk5))]
Unk5 {
// TODO: full of possibly interesting information
unk: [u8; 8],
},
#[br(pre_assert(*magic == IPCOpCode::Unk6))]
Unk6 {
// TODO: full of possibly interesting information
unk: [u8; 8],
},
#[br(pre_assert(*magic == IPCOpCode::Unk7))]
Unk7 {
// TODO: full of possibly interesting information
unk: [u8; 32],
},
#[br(pre_assert(*magic == IPCOpCode::UpdatePositionHandler))]
UpdatePositionHandler {
// TODO: full of possibly interesting information
unk: [u8; 24],
},
#[br(pre_assert(*magic == IPCOpCode::LogOut))]
LogOut {
// TODO: full of possibly interesting information
unk: [u8; 8],
},
#[br(pre_assert(*magic == IPCOpCode::Disconnected))]
Disconnected {
// TODO: full of possibly interesting information
unk: [u8; 8],
},
#[br(pre_assert(*magic == IPCOpCode::ChatMessage))]
ChatMessage {
// TODO: incomplete
#[brw(pad_before = 4)] // empty
player_id: u32,
#[brw(pad_before = 4)] // empty
timestamp: u32,
#[brw(pad_before = 8)] // NOT empty
channel: u16,
#[br(count = 32)]
#[bw(pad_size_to = 32)]
#[br(map = read_string)]
#[bw(map = write_string)]
message: String,
},
// Server->Client IPC
#[br(pre_assert(false))]
LobbyServiceAccountList {
#[br(dbg)]
sequence: u64,
#[brw(pad_before = 1)]
num_service_accounts: u8,
unk1: u8,
#[brw(pad_after = 4)]
unk2: u8,
#[br(count = 8)]
service_accounts: Vec<ServiceAccount>,
},
#[br(pre_assert(false))]
LobbyServerList {
sequence: u64,
unk1: u16,
offset: u16,
#[brw(pad_after = 8)]
num_servers: u32,
#[br(count = 6)]
#[brw(pad_size_to = 504)]
servers: Vec<Server>,
},
#[br(pre_assert(false))]
LobbyRetainerList {
// TODO: what is in here?
#[brw(pad_before = 7)]
#[brw(pad_after = 202)]
unk1: u8,
},
#[br(pre_assert(false))]
LobbyCharacterList {
sequence: u64,
counter: u8,
#[brw(pad_after = 2)]
num_in_packet: u8,
unk1: u8,
unk2: u8,
unk3: u8,
/// Set to 128 if legacy character
unk4: u8,
unk5: [u32; 7],
unk6: u8,
veteran_rank: u8,
#[brw(pad_after = 1)]
unk7: u8,
days_subscribed: u32,
remaining_days: u32,
days_to_next_rank: u32,
max_characters_on_world: u16,
unk8: u16,
#[brw(pad_after = 12)]
entitled_expansion: u32,
#[br(count = 2)]
#[brw(pad_size_to = 2368)]
characters: Vec<CharacterDetails>,
},
#[br(pre_assert(false))]
LobbyEnterWorld {
sequence: u64,
character_id: u32,
#[brw(pad_before = 4)]
content_id: u64,
#[brw(pad_before = 4)]
#[bw(pad_size_to = 66)]
#[br(count = 66)]
#[br(map = read_string)]
#[bw(map = write_string)]
session_id: String,
port: u16,
#[brw(pad_after = 16)]
#[br(count = 48)]
#[br(map = read_string)]
#[bw(map = write_string)]
host: String,
},
#[br(pre_assert(false))]
InitializeChat { unk: [u8; 8] },
#[br(pre_assert(false))]
InitResponse {
unk1: u64,
character_id: u32,
unk2: u32,
},
#[br(pre_assert(false))]
InitZone(InitZone),
#[br(pre_assert(false))]
ActorControlSelf(ActorControlSelf),
#[br(pre_assert(false))]
PlayerStats(PlayerStats),
#[br(pre_assert(false))]
PlayerSetup(PlayerSetup),
#[br(pre_assert(false))]
UpdateClassInfo(UpdateClassInfo),
#[br(pre_assert(false))]
PlayerSpawn(PlayerSpawn),
#[br(pre_assert(false))]
LogOutComplete {
// TODO: guessed
unk: [u8; 8],
},
}
#[binrw]
#[derive(Debug, Clone)]
pub struct IPCSegment {
pub unk1: u8,
pub unk2: u8,
#[br(dbg)]
pub op_code: IPCOpCode,
#[brw(pad_before = 2)] // empty
#[br(dbg)]
pub server_id: u16,
#[br(dbg)]
pub timestamp: u32,
#[brw(pad_before = 4)]
#[br(args(&op_code))]
pub data: IPCStructData,
}
impl IPCSegment {
pub fn calc_size(&self) -> u32 {
let header = 16;
header
+ match self.data {
IPCStructData::ClientVersionInfo { .. } => todo!(),
IPCStructData::LobbyServiceAccountList { .. } => 24 + (8 * 80),
IPCStructData::RequestCharacterList { .. } => todo!(),
IPCStructData::LobbyServerList { .. } => 24 + (6 * 84),
IPCStructData::LobbyRetainerList { .. } => 210,
IPCStructData::LobbyCharacterList { .. } => 80 + (2 * 1184),
IPCStructData::LobbyCharacterAction { .. } => todo!(),
IPCStructData::LobbyEnterWorld { .. } => 160,
IPCStructData::RequestEnterWorld { .. } => todo!(),
IPCStructData::InitializeChat { .. } => 8,
IPCStructData::InitRequest { .. } => 16,
IPCStructData::InitResponse { .. } => 16,
IPCStructData::InitZone { .. } => 103,
IPCStructData::ActorControlSelf { .. } => 32,
IPCStructData::PlayerStats { .. } => 224,
IPCStructData::PlayerSetup { .. } => 2545,
IPCStructData::UpdateClassInfo { .. } => 48,
IPCStructData::FinishLoading { .. } => todo!(),
IPCStructData::PlayerSpawn { .. } => 656,
IPCStructData::Unk1 { .. } => todo!(),
IPCStructData::Unk2 { .. } => todo!(),
IPCStructData::Unk3 { .. } => todo!(),
IPCStructData::Unk4 { .. } => todo!(),
IPCStructData::SetSearchInfoHandler { .. } => todo!(),
IPCStructData::Unk5 { .. } => todo!(),
IPCStructData::Unk6 { .. } => todo!(),
IPCStructData::Unk7 { .. } => todo!(),
IPCStructData::UpdatePositionHandler { .. } => todo!(),
IPCStructData::LogOut { .. } => todo!(),
IPCStructData::LogOutComplete { .. } => 8,
IPCStructData::Disconnected { .. } => todo!(),
IPCStructData::ChatMessage { .. } => 1056,
}
}
}
#[cfg(test)]
mod tests {
use std::io::Cursor;
use binrw::BinWrite;
use super::*;
/// Ensure that the IPC data size as reported matches up with what we write
#[test]
fn test_ipc_sizes() {
let ipc_types = [
IPCStructData::LobbyServerList {
sequence: 0,
unk1: 0,
offset: 0,
num_servers: 0,
servers: Vec::new(),
},
IPCStructData::LobbyCharacterList {
sequence: 0,
counter: 0,
num_in_packet: 0,
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: Vec::new(),
},
IPCStructData::ActorControlSelf(ActorControlSelf::default()),
IPCStructData::InitializeChat { unk: [0; 8] },
IPCStructData::PlayerStats(PlayerStats::default()),
IPCStructData::PlayerSetup(PlayerSetup::default()),
IPCStructData::UpdateClassInfo(UpdateClassInfo::default()),
IPCStructData::PlayerSpawn(PlayerSpawn::default()),
];
for ipc in &ipc_types {
let mut cursor = Cursor::new(Vec::new());
let ipc_segment = IPCSegment {
unk1: 0,
unk2: 0,
op_code: IPCOpCode::InitializeChat, // doesn't matter for this test
server_id: 0,
timestamp: 0,
data: ipc.clone(),
};
ipc_segment.write_le(&mut cursor).unwrap();
let buffer = cursor.into_inner();
assert_eq!(
buffer.len(),
ipc_segment.calc_size() as usize,
"{:?} did not match size!",
ipc
);
}
}
}