#![allow(private_interfaces)]
#![allow(dead_code)]
#![allow(non_snake_case)]
#![allow(non_camel_case_types)]

/*
    PEB Structure Implementation
    Source: MSDOS.
*/

use winapi::{
    ctypes::c_void,
    shared::ntdef::{NTSTATUS, PWSTR},
};

#[repr(C)]
pub struct PEB {
    pub Reserved1: [u8; 2],
    pub BeingDebugged: u8,
    pub Reserved2: [u8; 1],
    pub Reserved3: [*mut c_void; 2],
    pub Ldr: *mut PEB_LDR_DATA,
    pub ProcessParameters: *mut RTL_USER_PROCESS_PARAMETERS,
    pub Reserved4: [*mut c_void; 3],
    pub AtlThunkSListPtr: *mut c_void,
    pub Reserved5: *mut c_void,
    pub Reserved6: u32,
    pub Reserved7: *mut c_void,
    pub Reserved8: u32,
    pub AtlThunkSListPtr32: u32,
    pub Reserved9: [*mut c_void; 45],
    pub Reserved10: [u8; 96],
    pub PostProcessInitRoutine: PPS_POST_PROCESS_INIT_ROUTINE,
    pub Reserved11: [u8; 128],
    pub Reserved12: [*mut c_void; 1],
    pub SessionId: u32,
}

/*
    PEB_LDR_DATA
*/

#[repr(C)]
pub struct PEB_LDR_DATA {
    pub Reserved1: [u8; 8],
    pub Reserved2: [*mut c_void; 3],
    pub InMemoryOrderModuleList: LIST_ENTRY,
}

#[repr(C)]
pub struct LIST_ENTRY {
    pub Flink: *mut LIST_ENTRY,
    pub Blink: *mut LIST_ENTRY,
}

/*
    RTL_USER_PROCESS_PARAMETERS
*/

#[repr(C)]
pub struct RTL_USER_PROCESS_PARAMETERS {
    pub Reserved1: [u8; 16],
    pub Reserved2: [*mut c_void; 10],
    pub ImagePathName: UNICODE_STRING,
    pub CommandLine: UNICODE_STRING,
}

#[repr(C)]
pub struct UNICODE_STRING {
    pub Length: u16,
    pub MaximumLength: u16,
    pub Buffer: PWSTR,
}

enum PPS_POST_PROCESS_INIT_ROUTINE {
    None,
    Some(unsafe extern "system" fn()),
}

#[repr(C)]
pub struct PROCESS_BASIC_INFORMATION {
    pub ExitStatus: NTSTATUS,
    pub PebBaseAddress: *mut PEB,
    pub AffinityMask: usize,
    pub BasePriority: i32,
    pub UniqueProcessId: usize,
    pub InheritedFromUniqueProcessId: usize,
}