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Add YAML file builder and automatically resolve offsets in tests

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This commit is contained in:
a2x
2023-12-07 21:46:35 +10:00
parent bc2b8d27b0
commit 6dc4f54ef2
26 changed files with 16054 additions and 45 deletions
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7
src/dumper/interfaces.rs
View File

@@ -14,7 +14,7 @@ use std::mem::offset_of;
#[derive(Debug)]
#[repr(C)]
struct InterfaceNode {
/// Function pointer used to instantiate an instance of the interface.
/// Used to instantiate an instance of the interface.
pub create_fn: *const (),
/// Pointer to the name of the interface.
@@ -43,7 +43,7 @@ impl InterfaceNode {
.map(|ptr| ptr.into())
}
/// Returns the name of the interface.
/// Returns the name of the interface with the version number appended.
///
/// E.g. "Source2Client002".
///
@@ -100,6 +100,7 @@ pub fn dump_interfaces(
) -> Result<()> {
let mut entries = Entries::new();
// Iterate over all modules in the process, excluding crashhandler64.dll.
for module in process
.modules()?
.iter()
@@ -113,6 +114,7 @@ pub fn dump_interfaces(
let mut node = process.read_memory::<*mut InterfaceNode>(create_interface_address)?;
// Iterate over each node in the linked list.
while !node.is_null() {
let instance = unsafe { (*node).instance(process) }?;
let name = unsafe { (*node).name(process) }?;
@@ -136,6 +138,7 @@ pub fn dump_interfaces(
indent: Some(indent),
});
// Get the next node in the linked list.
node = unsafe { (*node).next(process) }?;
}
}

1
src/dumper/mod.rs
View File

@@ -140,6 +140,7 @@ fn write_banner_to_file(file: &mut File, file_extension: &str) -> Result<()> {
"'''\nCreated using {}\n{}\n'''\n\n",
REPO_URL, time_now
)),
"yaml" => None,
_ => Some(format!(
"/*\n * Created using {}\n * {}\n */\n\n",
REPO_URL, time_now

181
src/dumper/offsets.rs
View File

@@ -136,7 +136,10 @@ mod tests {
use core::arch::x86_64::_bittest;
use serde_json::Value;
use std::ffi::{c_char, c_void};
use std::fs;
use std::mem::offset_of;
use std::thread::sleep;
use std::time::Duration;
@@ -149,6 +152,60 @@ mod tests {
Ok(process)
}
fn get_class_field(module_name: &str, class_name: &str, class_key: &str) -> Option<u64> {
let content = match fs::read_to_string(format!("generated/{}.json", module_name)) {
Ok(content) => content,
Err(e) => {
eprintln!("Error reading file: {}", e);
return None;
}
};
let value: Value = match serde_json::from_str(&content) {
Ok(parsed_value) => parsed_value,
Err(e) => {
eprintln!("Error parsing JSON: {}", e);
return None;
}
};
let class_value = &value[class_name];
let class_data = &class_value["data"];
let class_key_value = &class_data[class_key];
let value = class_key_value["value"].as_u64();
value
}
fn get_offset_value(module_name: &str, offset_name: &str) -> Option<u64> {
let content = match fs::read_to_string("generated/offsets.json") {
Ok(content) => content,
Err(e) => {
eprintln!("Error reading file: {}", e);
return None;
}
};
let value: Value = match serde_json::from_str(&content) {
Ok(parsed_value) => parsed_value,
Err(e) => {
eprintln!("Error parsing JSON: {}", e);
return None;
}
};
let class_value = &value[module_name.replace(".", "_")];
let class_data = &class_value["data"];
let class_key_value = &class_data[offset_name];
let value = class_key_value["value"].as_u64();
value
}
#[test]
fn build_number() -> Result<()> {
let process = setup()?;
@@ -158,7 +215,11 @@ mod tests {
.expect("Failed to find engine2.dll")
.base();
let build_number = process.read_memory::<u32>(engine_base + 0x48B344)?; // dwBuildNumber
let build_number_offset = get_offset_value("engine2.dll", "dwBuildNumber")
.expect("Failed to find dwBuildNumber offset");
let build_number =
process.read_memory::<u32>(engine_base + build_number_offset as usize)?;
println!("Build number: {}", build_number);
@@ -174,14 +235,16 @@ mod tests {
.expect("Failed to find client.dll")
.base();
let force_attack = process.read_memory::<u32>(client_base + 0x16BBD30)?; // dwForceAttack
let force_attack_2 = process.read_memory::<u32>(client_base + 0x16BBDC0)?; // dwForceAttack2
let force_backward = process.read_memory::<u32>(client_base + 0x16BC000)?; // dwForceBackward
let force_crouch = process.read_memory::<u32>(client_base + 0x16BC2D0)?; // dwForceCrouch
let force_forward = process.read_memory::<u32>(client_base + 0x16BBF70)?; // dwForceForward
let force_jump = process.read_memory::<u32>(client_base + 0x16BC240)?; // dwForceJump
let force_left = process.read_memory::<u32>(client_base + 0x16BC090)?; // dwForceLeft
let force_right = process.read_memory::<u32>(client_base + 0x16BC120)?; // dwForceRight
const BUTTONS: [&str; 8] = [
"dwForceAttack",
"dwForceAttack2",
"dwForceBackward",
"dwForceCrouch",
"dwForceForward",
"dwForceJump",
"dwForceLeft",
"dwForceRight",
];
let get_key_state = |value: u32| -> &str {
match value {
@@ -191,14 +254,17 @@ mod tests {
}
};
println!("Force attack: {}", get_key_state(force_attack));
println!("Force attack 2: {}", get_key_state(force_attack_2));
println!("Force backward: {}", get_key_state(force_backward));
println!("Force crouch: {}", get_key_state(force_crouch));
println!("Force forward: {}", get_key_state(force_forward));
println!("Force jump: {}", get_key_state(force_jump));
println!("Force left: {}", get_key_state(force_left));
println!("Force right: {}", get_key_state(force_right));
// Sleep for a second so we're able to test.
sleep(Duration::from_secs(1));
for button in &BUTTONS {
let offset = get_offset_value("client.dll", button)
.expect(&format!("Failed to find {} offset", button));
let value = process.read_memory::<u32>(client_base + offset as usize)?;
println!("{}: {}", button, get_key_state(value));
}
Ok(())
}
@@ -251,7 +317,11 @@ mod tests {
.expect("Failed to find client.dll")
.base();
let global_vars = process.read_memory::<*const GlobalVarsBase>(client_base + 0x16B7EA0)?; // dwGlobalVars
let global_vars_offset = get_offset_value("client.dll", "dwGlobalVars")
.expect("Failed to find dwGlobalVars offset");
let global_vars = process
.read_memory::<*const GlobalVarsBase>(client_base + global_vars_offset as usize)?;
let current_map_name = unsafe {
(*global_vars)
@@ -273,7 +343,10 @@ mod tests {
.expect("Failed to find inputsystem.dll")
.base();
let input_system = input_system_base + 0x35760; // dwInputSystem
let input_system_offset = get_offset_value("inputsystem.dll", "dwInputSystem")
.expect("Failed to find dwInputSystem offset");
let input_system = input_system_base + input_system_offset as usize;
let is_key_down = |key_code: i32| -> bool {
let key_map_element = process
@@ -283,10 +356,11 @@ mod tests {
unsafe { _bittest(&key_map_element, key_code & 0x1F) != 0 }
};
// Sleep for a second so we're able to test.
sleep(Duration::from_secs(1));
// See https://www.unknowncheats.me/forum/3855779-post889.html for button codes.
println!("Insert down: {}", is_key_down(73));
println!("INSERT down: {}", is_key_down(73));
Ok(())
}
@@ -300,9 +374,19 @@ mod tests {
.expect("Failed to find client.dll")
.base();
let local_player_controller = process.read_memory::<usize>(client_base + 0x180ACB0)?; // dwLocalPlayerController
let local_player_controller_offset =
get_offset_value("client.dll", "dwLocalPlayerController")
.expect("Failed to find dwLocalPlayerController offset");
let player_name = process.read_string((local_player_controller + 0x640).into())?; // m_iszPlayerName
let player_name_offset =
get_class_field("client.dll", "CBasePlayerController", "m_iszPlayerName")
.expect("Failed to find m_iszPlayerName offset");
let local_player_controller =
process.read_memory::<usize>(client_base + local_player_controller_offset as usize)?;
let player_name =
process.read_string((local_player_controller + player_name_offset as usize).into())?;
println!("Local player name: {}", player_name);
@@ -311,17 +395,6 @@ mod tests {
#[test]
fn local_player_pawn() -> Result<()> {
let process = setup()?;
let client_base = process
.get_module_by_name("client.dll")
.expect("Failed to find client.dll")
.base();
let local_player_pawn = process.read_memory::<usize>(client_base + 0x16C2DD8)?; // dwLocalPlayerPawn
let game_scene_node = process.read_memory::<usize>((local_player_pawn + 0x310).into())?; // m_pGameSceneNode
#[derive(Debug)]
#[repr(C)]
struct Vector3D {
@@ -330,9 +403,34 @@ mod tests {
z: f32,
}
let origin = process.read_memory::<Vector3D>((game_scene_node + 0xC8).into())?; // m_vecAbsOrigin
let process = setup()?;
println!("Local player origin: {:?}", origin);
let client_base = process
.get_module_by_name("client.dll")
.expect("Failed to find client.dll")
.base();
let local_player_pawn_offset = get_offset_value("client.dll", "dwLocalPlayerPawn")
.expect("Failed to find dwLocalPlayerPawn offset");
let game_scene_node_offset =
get_class_field("client.dll", "C_BaseEntity", "m_pGameSceneNode")
.expect("Failed to find m_pGameSceneNode offset");
let absolute_origin_offset =
get_class_field("client.dll", "CGameSceneNode", "m_vecAbsOrigin")
.expect("Failed to find m_vecAbsOrigin offset");
let local_player_pawn =
process.read_memory::<usize>(client_base + local_player_pawn_offset as usize)?;
let game_scene_node = process
.read_memory::<usize>((local_player_pawn + game_scene_node_offset as usize).into())?;
let absolute_origin = process
.read_memory::<Vector3D>((game_scene_node + absolute_origin_offset as usize).into())?;
println!("Local player origin: {:?}", absolute_origin);
Ok(())
}
@@ -346,8 +444,17 @@ mod tests {
.expect("Failed to find engine2.dll")
.base();
let window_width = process.read_memory::<u32>(engine_base + 0x541A68)?; // dwWindowWidth
let window_height = process.read_memory::<u32>(engine_base + 0x541A6C)?; // dwWindowHeight
let window_width_offset = get_offset_value("engine2.dll", "dwWindowWidth")
.expect("Failed to find dwLocalPlayerPawn offset");
let window_height_offset = get_offset_value("engine2.dll", "dwWindowHeight")
.expect("Failed to find dwLocalPlayerPawn offset");
let window_width =
process.read_memory::<u32>(engine_base + window_width_offset as usize)?;
let window_height =
process.read_memory::<u32>(engine_base + window_height_offset as usize)?;
println!("Window size: {}x{}", window_width, window_height);