Files
favicon-trap/bindings/rust/tests/unicorn.rs
2021-11-08 19:34:53 +01:00

667 lines
20 KiB
Rust

use std::cell::RefCell;
use std::rc::Rc;
use unicorn_engine::unicorn_const::{
uc_error, Arch, HookType, MemType, Mode, Permission, SECOND_SCALE,
};
use unicorn_engine::{InsnSysX86, RegisterARM, RegisterMIPS, RegisterPPC, RegisterX86};
pub static X86_REGISTERS: [RegisterX86; 125] = [
RegisterX86::AH,
RegisterX86::AL,
RegisterX86::AX,
RegisterX86::BH,
RegisterX86::BL,
RegisterX86::BP,
RegisterX86::BPL,
RegisterX86::BX,
RegisterX86::CH,
RegisterX86::CL,
RegisterX86::CS,
RegisterX86::CX,
RegisterX86::DH,
RegisterX86::DI,
RegisterX86::DIL,
RegisterX86::DL,
RegisterX86::DS,
RegisterX86::DX,
RegisterX86::EAX,
RegisterX86::EBP,
RegisterX86::EBX,
RegisterX86::ECX,
RegisterX86::EDI,
RegisterX86::EDX,
RegisterX86::EFLAGS,
RegisterX86::EIP,
RegisterX86::EIZ,
RegisterX86::ES,
RegisterX86::ESI,
RegisterX86::ESP,
RegisterX86::FPSW,
RegisterX86::FS,
RegisterX86::GS,
RegisterX86::IP,
RegisterX86::RAX,
RegisterX86::RBP,
RegisterX86::RBX,
RegisterX86::RCX,
RegisterX86::RDI,
RegisterX86::RDX,
RegisterX86::RIP,
RegisterX86::RIZ,
RegisterX86::RSI,
RegisterX86::RSP,
RegisterX86::SI,
RegisterX86::SIL,
RegisterX86::SP,
RegisterX86::SPL,
RegisterX86::SS,
RegisterX86::CR0,
RegisterX86::CR1,
RegisterX86::CR2,
RegisterX86::CR3,
RegisterX86::CR4,
RegisterX86::CR5,
RegisterX86::CR6,
RegisterX86::CR7,
RegisterX86::CR8,
RegisterX86::CR9,
RegisterX86::CR10,
RegisterX86::CR11,
RegisterX86::CR12,
RegisterX86::CR13,
RegisterX86::CR14,
RegisterX86::CR15,
RegisterX86::DR0,
RegisterX86::DR1,
RegisterX86::DR2,
RegisterX86::DR3,
RegisterX86::DR4,
RegisterX86::DR5,
RegisterX86::DR6,
RegisterX86::DR7,
RegisterX86::DR8,
RegisterX86::DR9,
RegisterX86::DR10,
RegisterX86::DR11,
RegisterX86::DR12,
RegisterX86::DR13,
RegisterX86::DR14,
RegisterX86::DR15,
RegisterX86::FP0,
RegisterX86::FP1,
RegisterX86::FP2,
RegisterX86::FP3,
RegisterX86::FP4,
RegisterX86::FP5,
RegisterX86::FP6,
RegisterX86::FP7,
RegisterX86::K0,
RegisterX86::K1,
RegisterX86::K2,
RegisterX86::K3,
RegisterX86::K4,
RegisterX86::K5,
RegisterX86::K6,
RegisterX86::K7,
RegisterX86::MM0,
RegisterX86::MM1,
RegisterX86::MM2,
RegisterX86::MM3,
RegisterX86::MM4,
RegisterX86::MM5,
RegisterX86::MM6,
RegisterX86::MM7,
RegisterX86::R8,
RegisterX86::R9,
RegisterX86::R10,
RegisterX86::R11,
RegisterX86::R12,
RegisterX86::R13,
RegisterX86::R14,
RegisterX86::R15,
RegisterX86::ST0,
RegisterX86::ST1,
RegisterX86::ST2,
RegisterX86::ST3,
RegisterX86::ST4,
RegisterX86::ST5,
RegisterX86::ST6,
RegisterX86::ST7,
RegisterX86::R8B,
RegisterX86::R9B,
RegisterX86::R10B,
RegisterX86::R11B,
RegisterX86::R12B,
RegisterX86::R13B,
RegisterX86::R14B,
RegisterX86::R15B,
RegisterX86::R8D,
RegisterX86::R9D,
RegisterX86::R10D,
RegisterX86::R11D,
RegisterX86::R12D,
RegisterX86::R13D,
RegisterX86::R14D,
RegisterX86::R15D,
RegisterX86::R8W,
RegisterX86::R9W,
RegisterX86::R10W,
RegisterX86::R11W,
RegisterX86::R12W,
RegisterX86::R13W,
RegisterX86::R14W,
RegisterX86::R15W,
];
#[test]
fn emulate_x86() {
let x86_code32: Vec<u8> = vec![0x41, 0x4a]; // INC ecx; DEC edx
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, 0)
.expect("failed to initialize unicorn instance");
assert_eq!(emu.reg_write(RegisterX86::EAX as i32, 123), Ok(()));
assert_eq!(emu.reg_read(RegisterX86::EAX as i32), Ok(123));
// Attempt to write to memory before mapping it.
assert_eq!(
emu.mem_write(0x1000, &x86_code32),
(Err(uc_error::WRITE_UNMAPPED))
);
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
assert_eq!(
emu.mem_read_as_vec(0x1000, x86_code32.len()),
Ok(x86_code32.clone())
);
assert_eq!(emu.reg_write(RegisterX86::ECX as i32, 10), Ok(()));
assert_eq!(emu.reg_write(RegisterX86::EDX as i32, 50), Ok(()));
assert_eq!(
emu.emu_start(
0x1000,
(0x1000 + x86_code32.len()) as u64,
10 * SECOND_SCALE,
1000
),
Ok(())
);
assert_eq!(emu.reg_read(RegisterX86::ECX as i32), Ok(11));
assert_eq!(emu.reg_read(RegisterX86::EDX as i32), Ok(49));
}
#[test]
fn x86_code_callback() {
#[derive(PartialEq, Debug)]
struct CodeExpectation(u64, u32);
let expects = vec![CodeExpectation(0x1000, 1), CodeExpectation(0x1001, 1)];
let codes: Vec<CodeExpectation> = Vec::new();
let codes_cell = Rc::new(RefCell::new(codes));
let callback_codes = codes_cell.clone();
let callback = move |_: &mut Unicorn<'_, ()>, address: u64, size: u32| {
let mut codes = callback_codes.borrow_mut();
codes.push(CodeExpectation(address, size));
};
let x86_code32: Vec<u8> = vec![0x41, 0x4a]; // INC ecx; DEC edx
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
let hook = emu
.add_code_hook(0x1000, 0x2000, callback)
.expect("failed to add code hook");
assert_eq!(
emu.emu_start(0x1000, 0x1002, 10 * SECOND_SCALE, 1000),
Ok(())
);
assert_eq!(expects, *codes_cell.borrow());
assert_eq!(emu.remove_hook(hook), Ok(()));
}
#[test]
fn x86_intr_callback() {
#[derive(PartialEq, Debug)]
struct IntrExpectation(u32);
let expect = IntrExpectation(0x80);
let intr_cell = Rc::new(RefCell::new(IntrExpectation(0)));
let callback_intr = intr_cell.clone();
let callback = move |_: &mut Unicorn<'_, ()>, intno: u32| {
*callback_intr.borrow_mut() = IntrExpectation(intno);
};
let x86_code32: Vec<u8> = vec![0xcd, 0x80]; // INT 0x80;
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
let hook = emu
.add_intr_hook(callback)
.expect("failed to add intr hook");
assert_eq!(
emu.emu_start(
0x1000,
0x1000 + x86_code32.len() as u64,
10 * SECOND_SCALE,
1000
),
Ok(())
);
assert_eq!(expect, *intr_cell.borrow());
assert_eq!(emu.remove_hook(hook), Ok(()));
}
#[test]
fn x86_mem_callback() {
#[derive(PartialEq, Debug)]
struct MemExpectation(MemType, u64, usize, i64);
let expects = vec![
MemExpectation(MemType::WRITE, 0x2000, 4, 0xdeadbeef),
MemExpectation(MemType::READ_UNMAPPED, 0x10000, 4, 0),
];
let mems: Vec<MemExpectation> = Vec::new();
let mems_cell = Rc::new(RefCell::new(mems));
let callback_mems = mems_cell.clone();
let callback =
move |_: &mut Unicorn<'_, ()>, mem_type: MemType, address: u64, size: usize, value: i64| {
let mut mems = callback_mems.borrow_mut();
mems.push(MemExpectation(mem_type, address, size, value));
true
};
// mov eax, 0xdeadbeef;
// mov [0x2000], eax;
// mov eax, [0x10000];
let x86_code32: Vec<u8> = vec![
0xB8, 0xEF, 0xBE, 0xAD, 0xDE, 0xA3, 0x00, 0x20, 0x00, 0x00, 0xA1, 0x00, 0x00, 0x01, 0x00,
];
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
let hook = emu
.add_mem_hook(HookType::MEM_ALL, 0, std::u64::MAX, callback)
.expect("failed to add memory hook");
assert_eq!(emu.reg_write(RegisterX86::EAX as i32, 0x123), Ok(()));
assert_eq!(
emu.emu_start(
0x1000,
0x1000 + x86_code32.len() as u64,
10 * SECOND_SCALE,
0x1000
),
Err(uc_error::READ_UNMAPPED)
);
assert_eq!(expects, *mems_cell.borrow());
assert_eq!(emu.remove_hook(hook), Ok(()));
}
#[test]
fn x86_insn_in_callback() {
#[derive(PartialEq, Debug)]
struct InsnInExpectation(u32, usize);
let expect = InsnInExpectation(0x10, 4);
let insn_cell = Rc::new(RefCell::new(InsnInExpectation(0, 0)));
let callback_insn = insn_cell.clone();
let callback = move |_: &mut Unicorn<'_, ()>, port: u32, size: usize| {
*callback_insn.borrow_mut() = InsnInExpectation(port, size);
};
let x86_code32: Vec<u8> = vec![0xe5, 0x10]; // IN eax, 0x10;
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
let hook = emu
.add_insn_in_hook(callback)
.expect("failed to add in hook");
assert_eq!(
emu.emu_start(
0x1000,
0x1000 + x86_code32.len() as u64,
10 * SECOND_SCALE,
1000
),
Ok(())
);
assert_eq!(expect, *insn_cell.borrow());
assert_eq!(emu.remove_hook(hook), Ok(()));
}
#[test]
fn x86_insn_out_callback() {
#[derive(PartialEq, Debug)]
struct InsnOutExpectation(u32, usize, u32);
let expect = InsnOutExpectation(0x46, 1, 0x32);
let insn_cell = Rc::new(RefCell::new(InsnOutExpectation(0, 0, 0)));
let callback_insn = insn_cell.clone();
let callback = move |_: &mut Unicorn<'_, ()>, port: u32, size: usize, value: u32| {
*callback_insn.borrow_mut() = InsnOutExpectation(port, size, value);
};
let x86_code32: Vec<u8> = vec![0xb0, 0x32, 0xe6, 0x46]; // MOV al, 0x32; OUT 0x46, al;
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
let hook = emu
.add_insn_out_hook(callback)
.expect("failed to add out hook");
assert_eq!(
emu.emu_start(
0x1000,
0x1000 + x86_code32.len() as u64,
10 * SECOND_SCALE,
1000
),
Ok(())
);
assert_eq!(expect, *insn_cell.borrow());
assert_eq!(emu.remove_hook(hook), Ok(()));
}
#[test]
fn x86_insn_sys_callback() {
#[derive(PartialEq, Debug)]
struct InsnSysExpectation(u64);
let expect = InsnSysExpectation(0xdeadbeef);
let insn_cell = Rc::new(RefCell::new(InsnSysExpectation(0)));
let callback_insn = insn_cell.clone();
let callback = move |uc: &mut Unicorn<'_, ()>| {
println!("!!!!");
let rax = uc.reg_read(RegisterX86::RAX as i32).unwrap();
*callback_insn.borrow_mut() = InsnSysExpectation(rax);
};
// MOV rax, 0xdeadbeef; SYSCALL;
let x86_code: Vec<u8> = vec![
0x48, 0xB8, 0xEF, 0xBE, 0xAD, 0xDE, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x05,
];
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_64, ())
.expect("failed to initialize unicorn instance");
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code), Ok(()));
let hook = emu
.add_insn_sys_hook(InsnSysX86::SYSCALL, 1, 0, callback)
.expect("failed to add syscall hook");
assert_eq!(
emu.emu_start(
0x1000,
0x1000 + x86_code.len() as u64,
10 * SECOND_SCALE,
1000
),
Ok(())
);
assert_eq!(expect, *insn_cell.borrow());
assert_eq!(emu.remove_hook(hook), Ok(()));
}
#[test]
fn emulate_arm() {
let arm_code32: Vec<u8> = vec![0x83, 0xb0]; // sub sp, #0xc
let mut emu = unicorn_emulator::Unicorn::new(Arch::ARM, Mode::THUMB, ())
.expect("failed to initialize unicorn instance");
assert_eq!(emu.reg_write(RegisterARM::R1 as i32, 123), Ok(()));
assert_eq!(emu.reg_read(RegisterARM::R1 as i32), Ok(123));
// Attempt to write to memory before mapping it.
assert_eq!(
emu.mem_write(0x1000, &arm_code32),
(Err(uc_error::WRITE_UNMAPPED))
);
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &arm_code32), Ok(()));
assert_eq!(
emu.mem_read_as_vec(0x1000, arm_code32.len()),
Ok(arm_code32.clone())
);
assert_eq!(emu.reg_write(RegisterARM::SP as i32, 12), Ok(()));
assert_eq!(emu.reg_write(RegisterARM::R0 as i32, 10), Ok(()));
// ARM checks the least significant bit of the address to know
// if the code is in Thumb mode.
assert_eq!(
emu.emu_start(
0x1000 | 0x01,
(0x1000 | (0x01 + arm_code32.len())) as u64,
10 * SECOND_SCALE,
1000
),
Ok(())
);
assert_eq!(emu.reg_read(RegisterARM::SP as i32), Ok(0));
assert_eq!(emu.reg_read(RegisterARM::R0 as i32), Ok(10));
}
#[test]
fn emulate_mips() {
let mips_code32 = vec![0x56, 0x34, 0x21, 0x34]; // ori $at, $at, 0x3456;
let mut emu = unicorn_emulator::Unicorn::new(Arch::MIPS, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &mips_code32), Ok(()));
assert_eq!(
emu.mem_read_as_vec(0x1000, mips_code32.len()),
Ok(mips_code32.clone())
);
assert_eq!(emu.reg_write(RegisterMIPS::AT as i32, 0), Ok(()));
assert_eq!(
emu.emu_start(
0x1000,
(0x1000 + mips_code32.len()) as u64,
10 * SECOND_SCALE,
1000
),
Ok(())
);
assert_eq!(emu.reg_read(RegisterMIPS::AT as i32), Ok(0x3456));
}
#[test]
fn emulate_ppc() {
let ppc_code32 = vec![0x7F, 0x46, 0x1A, 0x14]; // add 26, 6, 3
let mut emu = unicorn_emulator::Unicorn::new(Arch::PPC, Mode::PPC32, ())
.expect("failed to initialize unicorn instance");
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &ppc_code32), Ok(()));
assert_eq!(
emu.mem_read_as_vec(0x1000, ppc_code32.len()),
Ok(ppc_code32.clone())
);
assert_eq!(emu.reg_write(RegisterPPC::GPR3 as i32, 42), Ok(()));
assert_eq!(emu.reg_write(RegisterPPC::GPR6 as i32, 1337), Ok(()));
assert_eq!(
emu.emu_start(
0x1000,
(0x1000 + ppc_code32.len()) as u64,
10 * SECOND_SCALE,
1000
),
Ok(())
);
assert_eq!(emu.reg_read(RegisterPPC::GPR26 as i32), Ok(1379));
}
#[test]
fn mem_unmapping() {
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_unmap(0x1000, 0x4000), Ok(()));
}
#[test]
fn mem_map_ptr() {
// Use an array for the emulator memory.
let mut mem: [u8; 4000] = [0; 4000];
let x86_code32: Vec<u8> = vec![0x41, 0x4a]; // INC ecx; DEC edx
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
// Attempt to write to memory before mapping it.
assert_eq!(
emu.mem_write(0x1000, &x86_code32),
(Err(uc_error::WRITE_UNMAPPED))
);
assert_eq!(
unsafe { emu.mem_map_ptr(0x1000, 0x4000, Permission::ALL, mem.as_mut_ptr() as _) },
Ok(())
);
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
assert_eq!(
emu.mem_read_as_vec(0x1000, x86_code32.len()),
Ok(x86_code32.clone())
);
assert_eq!(emu.reg_write(RegisterX86::ECX as i32, 10), Ok(()));
assert_eq!(emu.reg_write(RegisterX86::EDX as i32, 50), Ok(()));
assert_eq!(
emu.emu_start(
0x1000,
(0x1000 + x86_code32.len()) as u64,
10 * SECOND_SCALE,
1000
),
Ok(())
);
assert_eq!(emu.reg_read(RegisterX86::ECX as i32), Ok(11));
assert_eq!(emu.reg_read(RegisterX86::EDX as i32), Ok(49));
assert_eq!(emu.mem_unmap(0x1000, 0x4000), Ok(()));
// Use a Vec for the emulator memory.
let mut mem: Vec<u8> = Vec::new();
mem.reserve(4000);
// Attempt to write to memory before mapping it.
assert_eq!(
emu.mem_write(0x1000, &x86_code32),
(Err(uc_error::WRITE_UNMAPPED))
);
assert_eq!(
unsafe { emu.mem_map_ptr(0x1000, 0x4000, Permission::ALL, mem.as_mut_ptr() as _) },
Ok(())
);
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
assert_eq!(
emu.mem_read_as_vec(0x1000, x86_code32.len()),
Ok(x86_code32.clone())
);
assert_eq!(emu.reg_write(RegisterX86::ECX as i32, 10), Ok(()));
assert_eq!(emu.reg_write(RegisterX86::EDX as i32, 50), Ok(()));
assert_eq!(
emu.emu_start(
0x1000,
(0x1000 + x86_code32.len()) as u64,
10 * SECOND_SCALE,
1000
),
Ok(())
);
assert_eq!(emu.reg_read(RegisterX86::ECX as i32), Ok(11));
assert_eq!(emu.reg_read(RegisterX86::EDX as i32), Ok(49));
assert_eq!(emu.mem_unmap(0x1000, 0x4000), Ok(()));
}
#[test]
fn x86_context_save_and_restore() {
for mode in &[Mode::MODE_32, Mode::MODE_64] {
let x86_code: Vec<u8> = vec![
0x48, 0xB8, 0xEF, 0xBE, 0xAD, 0xDE, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x05,
];
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, *mode, ())
.expect("failed to initialize unicorn instance");
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code), Ok(()));
let _ = emu.emu_start(
0x1000,
(0x1000 + x86_code.len()) as u64,
10 * SECOND_SCALE,
1000,
);
/* now, save the context... */
let context = emu.context_init();
let context = context.unwrap();
/* and create a new emulator, into which we will "restore" that context */
let emu2 = unicorn_emulator::Unicorn::new(Arch::X86, *mode, ())
.expect("failed to initialize unicorn instance");
assert_eq!(emu2.context_restore(&context), Ok(()));
for register in X86_REGISTERS.iter() {
println!("Testing register {:?}", register);
assert_eq!(
emu2.reg_read(*register as i32),
emu.reg_read(*register as i32)
);
}
}
}
#[test]
fn x86_block_callback() {
#[derive(PartialEq, Debug)]
struct BlockExpectation(u64, u32);
let expects = vec![BlockExpectation(0x1000, 2)];
let blocks: Vec<BlockExpectation> = Vec::new();
let blocks_cell = Rc::new(RefCell::new(blocks));
let callback_blocks = blocks_cell.clone();
let callback = move |_: &mut Unicorn<'_, ()>, address: u64, size: u32| {
let mut blocks = callback_blocks.borrow_mut();
blocks.push(BlockExpectation(address, size));
};
let x86_code32: Vec<u8> = vec![0x41, 0x4a]; // INC ecx; DEC edx
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
let hook = emu
.add_block_hook(callback)
.expect("failed to add block hook");
assert_eq!(
emu.emu_start(0x1000, 0x1002, 10 * SECOND_SCALE, 1000),
Ok(())
);
assert_eq!(expects, *blocks_cell.borrow());
assert_eq!(emu.remove_hook(hook), Ok(()));
}