Golang models.Usercorn类代码示例

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本文整理汇总了Golang中github.com/lunixbochs/usercorn/go/models.Usercorn类的典型用法代码示例。如果您正苦于以下问题：Golang Usercorn类的具体用法？Golang Usercorn怎么用？Golang Usercorn使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了Usercorn类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: StackArgs

func StackArgs(u models.Usercorn) func(n int) ([]uint64, error) {
	return func(n int) ([]uint64, error) {
		sp, _ := u.RegRead(u.Arch().SP)
		// starts with an empty slot
		s := u.StrucAt(sp + uint64(u.Bits()/8))

		ret := make([]uint64, n)
		for i := 0; i < n; i++ {
			var arg uint64
			var err error
			// TODO: simplify this when struc issue #47 is fixed
			if u.Bits() == 64 {
				err = s.Unpack(&arg)
			} else {
				var arg32 uint32
				err = s.Unpack(&arg32)
				arg = uint64(arg32)
			}
			if err != nil {
				return nil, err
			}
			ret[i] = arg
		}
		return ret, nil
	}
}

开发者ID:lunixbochs，项目名称:usercorn，代码行数:26，代码来源:args.go

示例2: DarwinInit

func DarwinInit(u models.Usercorn, args, env []string) error {
	if err := darwin.StackInit(u, args, env); err != nil {
		return err
	}
	// FIXME: lib43 crashes if 32-bit darwin gets mach header. maybe I need to align the stack.
	u.Pop()
	return nil
}

开发者ID:lunixbochs，项目名称:usercorn，代码行数:8，代码来源:darwin.go

示例3: LinuxInterrupt

func LinuxInterrupt(u models.Usercorn, intno uint32) {
	if intno == 2 {
		num, _ := u.RegRead(uc.ARM64_REG_X8)
		LinuxSyscall(u, int(num))
		return
	}
	panic(fmt.Sprintf("unhandled ARM interrupt: %d", intno))
}

开发者ID:lunixbochs，项目名称:usercorn，代码行数:8，代码来源:linux.go

示例4: LinuxSyscall

func LinuxSyscall(u models.Usercorn, num int) {
	// TODO: EABI has a different syscall base (OABI is 0x900000)
	// TODO: does the generator handle this? it needs to.
	if num > 0x900000 {
		num -= 0x900000
	}
	name, _ := sysnum.Linux_arm[int(num)]
	ret, _ := u.Syscall(int(num), name, common.RegArgs(u, LinuxRegs))
	u.RegWrite(uc.ARM_REG_R0, ret)
}

开发者ID:lunixbochs，项目名称:usercorn，代码行数:10，代码来源:linux.go

示例5: pushAddrs

func pushAddrs(u models.Usercorn, addrs []uint64) error {
	if _, err := u.Push(0); err != nil {
		return err
	}
	for i, _ := range addrs {
		if _, err := u.Push(addrs[len(addrs)-i-1]); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:practicalswift，项目名称:usercorn，代码行数:11，代码来源:kernel.go

示例6: pushStrings

func pushStrings(u models.Usercorn, args ...string) ([]uint64, error) {
	addrs := make([]uint64, 0, len(args)+1)
	for _, arg := range args {
		if addr, err := u.PushBytes([]byte(arg + "\x00")); err != nil {
			return nil, err
		} else {
			addrs = append(addrs, addr)
		}
	}
	return addrs, nil
}

开发者ID:practicalswift，项目名称:usercorn，代码行数:11，代码来源:kernel.go

示例7: Wrmsr

func Wrmsr(u models.Usercorn, msr, value uint64) {
	wrmsr := []byte{0x0F, 0x30}
	u.RunShellcode(
		0, wrmsr,
		map[int]uint64{
			uc.X86_REG_RAX: value & 0xFFFFFFFF,
			uc.X86_REG_RDX: value >> 32 & 0xFFFFFFFF,
			uc.X86_REG_RCX: msr & 0xFFFFFFFF,
		}, nil,
	)
}

开发者ID:lunixbochs，项目名称:usercorn，代码行数:11，代码来源:arch.go

示例8: AbiInit

func AbiInit(u models.Usercorn, syscall func(models.Usercorn)) error {
	_, err := u.HookAdd(uc.HOOK_INSN, func(_ uc.Unicorn) {
		syscall(u)
	}, 1, 0, uc.X86_INS_SYSCALL)
	if err == nil {
		_, err = u.HookAdd(uc.HOOK_INSN, func(_ uc.Unicorn) {
			syscall(u)
		}, 1, 0, uc.X86_INS_SYSENTER)
	}
	return err
}

开发者ID:lunixbochs，项目名称:usercorn，代码行数:11，代码来源:abi.go

示例9: traceMem

func (p *memImage) traceMem(u models.Usercorn, addr uint64, data []byte) {
	if len(data) > p.blockSize {
		firstLen := (addr+uint64(p.blockSize)-1) & ^uint64(p.blockSize-1) - addr
		if firstLen > 0 {
			p.traceMem(u, addr, data[:firstLen])
		}
		for i := firstLen; i < uint64(len(data)); i += uint64(p.blockSize) {
			p.traceMem(u, addr+uint64(i), data[i:i+uint64(p.blockSize)])
		}
		return
	}

	i, m, had := p.find(addr)
	if !had {
		aligned := addr & ^uint64(p.blockSize-1)
		r := &region{
			Addr: aligned,
			Size: uint64(p.blockSize),
			Data: make([]byte, p.blockSize),
		}
		for _, v := range u.Mappings() {
			if v.Contains(addr) {
				r.Desc = v.Desc
				r.Prot = v.Prot
				if v.File != nil {
					r.Filename = v.File.Name
				}
				break
			}
		}
		p.maps = append(p.maps, r)
		sort.Sort(RegionAddrSort(p.maps))

		i, m, _ = p.find(addr)
		p.resize()
	}
	off := (addr - m.Addr)
	dst := m.Data[off:]
	for i, v := range data {
		if (dst[i] == 0) != (v == 0) {
			if v != 0 {
				m.ByteCount++
			} else {
				m.ByteCount--
			}
		}
		dst[i] = v
	}
	if m.ByteCount == 0 {
		p.maps = append(p.maps[:i], p.maps[i+1:]...)
		p.resize()
	}
}

开发者ID:lunixbochs，项目名称:usercorn，代码行数:53，代码来源:mem_image.go

示例10: packAddrs

func packAddrs(u models.Usercorn, addrs []uint64) ([]byte, error) {
	buf := make([]byte, int(u.Bits())/8*(len(addrs)+1))
	pos := buf
	for _, v := range addrs {
		x, err := u.PackAddr(pos, v)
		if err != nil {
			return nil, err
		}
		pos = pos[len(x):]
	}
	return buf, nil
}

开发者ID:lunixbochs，项目名称:usercorn，代码行数:12，代码来源:kernel.go

示例11: SetupElfAuxv

func SetupElfAuxv(u models.Usercorn) ([]byte, error) {
	var buf bytes.Buffer
	auxv, err := setupElfAuxv(u)
	if err != nil {
		return nil, err
	}
	options := &struc.Options{
		PtrSize: int(u.Bits()),
		Order:   u.ByteOrder(),
	}
	for _, a := range auxv {
		if err := struc.PackWithOptions(&buf, &a, options); err != nil {
			return nil, err
		}
	}
	return buf.Bytes(), err
}

开发者ID:lunixbochs，项目名称:usercorn，代码行数:17，代码来源:elf_auxv.go

示例12: StackArgs

func StackArgs(u models.Usercorn) func(n int) ([]uint64, error) {
	return func(n int) ([]uint64, error) {
		_, err := u.Pop()
		if err != nil {
			return nil, err
		}
		ret := make([]uint64, n)
		for i := 0; i < n; i++ {
			v, err := u.Pop()
			if err != nil {
				return nil, err
			}
			ret[i] = v
		}
		return ret, nil
	}
}

开发者ID:practicalswift，项目名称:usercorn，代码行数:17，代码来源:args.go

示例13: DarwinSyscall

func DarwinSyscall(u models.Usercorn, class int) {
	// TODO: read args from stack without modifying reg so we don't need to restore esp
	esp, _ := u.RegRead(uc.X86_REG_ESP)
	getArgs := common.StackArgs(u)

	eax, _ := u.RegRead(uc.X86_REG_EAX)
	nr := class<<24 | int(eax)
	name, _ := num.Darwin_x86_mach[nr]

	ret, _ := u.Syscall(nr, name, getArgs)
	u.RegWrite(uc.X86_REG_EAX, ret)
	u.RegWrite(uc.X86_REG_ESP, esp)
}

开发者ID:practicalswift，项目名称:usercorn，代码行数:13，代码来源:darwin.go

示例14: Rdmsr

func Rdmsr(u models.Usercorn, msr uint64) uint64 {
	rcx, _ := u.RegRead(uc.X86_REG_RCX)
	rdx, _ := u.RegRead(uc.X86_REG_RDX)

	rdmsr := []byte{0x0F, 0x30}
	regs := map[int]uint64{uc.X86_REG_RAX: msr}
	u.RunShellcode(0, rdmsr, regs, nil)
	ecx, _ := u.RegRead(uc.X86_REG_ECX)
	edx, _ := u.RegRead(uc.X86_REG_EDX)

	u.RegWrite(uc.X86_REG_RCX, rcx)
	u.RegWrite(uc.X86_REG_RDX, rdx)
	return (edx << 32) | (ecx & 0xFFFFFFFF)
}

开发者ID:lunixbochs，项目名称:usercorn，代码行数:14，代码来源:arch.go

示例15: DarwinSyscall

func DarwinSyscall(u models.Usercorn, class int) {
	getArgs := common.StackArgs(u)

	eax, _ := u.RegRead(uc.X86_REG_EAX)
	nr := class<<24 | int(eax)
	name, _ := num.Darwin_x86_mach[nr]

	ret, _ := u.Syscall(nr, name, getArgs)
	u.RegWrite(uc.X86_REG_EAX, ret)
}

开发者ID:lunixbochs，项目名称:usercorn，代码行数:10，代码来源:darwin.go

示例16: enterUsermode

func enterUsermode(u models.Usercorn) error {
	// move CPU from System to User mode
	modeSwitch := []byte{
		0x00, 0x00, 0x0f, 0xe1, // mrs r0, cpsr
		0x1f, 0x00, 0xc0, 0xe3, // bic r0, r0, $0x1f
		0x10, 0x00, 0x80, 0xe3, // orr r0, r0, $0x10
		0x00, 0xf0, 0x21, 0xe1, // msr cpsr_c, r0
	}
	mmap, err := u.Mmap(0, uint64(len(modeSwitch)))
	if err != nil {
		return err
	}
	defer u.MemUnmap(mmap.Addr, mmap.Size)
	end := mmap.Addr + uint64(len(modeSwitch))
	err = u.RunShellcodeMapped(mmap, modeSwitch,
		map[int]uint64{uc.ARM_REG_LR: end},
		[]int{uc.ARM_REG_R0, uc.ARM_REG_LR, uc.ARM_REG_SP},
	)
	return err
}

开发者ID:lunixbochs，项目名称:usercorn，代码行数:20，代码来源:arm.go

示例17: SetupElfAuxv

func SetupElfAuxv(u models.Usercorn) ([]byte, error) {
	var buf bytes.Buffer
	auxv, err := setupElfAuxv(u)
	if err != nil {
		return nil, err
	}
	if u.Bits() == 32 {
		var auxv32 Elf32Auxv
		for _, a := range auxv {
			auxv32.Type = uint32(a.Type)
			auxv32.Val = uint32(a.Val)
			if err := struc.PackWithOrder(&buf, &auxv32, u.ByteOrder()); err != nil {
				return nil, err
			}
		}
	} else {
		for _, a := range auxv {
			if err := struc.PackWithOrder(&buf, &a, u.ByteOrder()); err != nil {
				return nil, err
			}
		}
	}
	return buf.Bytes(), err
}

开发者ID:x56，项目名称:usercorn，代码行数:24，代码来源:elf_auxv.go

示例18: setupElfAuxv

func setupElfAuxv(u models.Usercorn) ([]Elf64Auxv, error) {
	// set up AT_RANDOM
	var tmp [16]byte
	if _, err := rand.Read(tmp[:]); err != nil {
		return nil, err
	}
	randAddr, err := u.PushBytes(tmp[:])
	if err != nil {
		return nil, err
	}
	// insert platform string
	platformAddr, err := u.PushBytes([]byte(u.Loader().Arch() + "\x00"))
	if err != nil {
		return nil, err
	}
	// main auxv table
	auxv := []Elf64Auxv{
		// TODO: set/track a page size somewhere - on Arch.OS?
		{ELF_AT_PAGESZ, 4096},
		{ELF_AT_BASE, u.InterpBase()},
		{ELF_AT_FLAGS, 0},
		{ELF_AT_ENTRY, uint64(u.BinEntry())},
		{ELF_AT_UID, uint64(os.Getuid())},
		{ELF_AT_EUID, uint64(os.Geteuid())},
		{ELF_AT_GID, uint64(os.Getgid())},
		{ELF_AT_EGID, uint64(os.Getegid())},
		{ELF_AT_PLATFORM, platformAddr},
		{ELF_AT_CLKTCK, 100}, // 100hz, totally fake
		{ELF_AT_RANDOM, randAddr},
		{ELF_AT_NULL, 0},
	}
	// add phdr information if present in binary
	phdrOff, _, phdrCount := u.Loader().Header()
	segments, _ := u.Loader().Segments()
	for _, s := range segments {
		if s.ContainsPhys(phdrOff) {
			phdrOff += s.Addr
			break
		}
	}
	phdrEnt := 56
	if u.Bits() == 32 {
		phdrEnt = 56 // FIXME
	}
	if phdrOff > 0 {
		auxv = append(auxv, []Elf64Auxv{
			{ELF_AT_PHDR, phdrOff},
			{ELF_AT_PHENT, uint64(phdrEnt)},
			{ELF_AT_PHNUM, uint64(phdrCount)},
		}...)
	}
	return auxv, nil
}

开发者ID:x56，项目名称:usercorn，代码行数:53，代码来源:elf_auxv.go

示例19: StackInit

func StackInit(u models.Usercorn, args, env []string) error {
	exe := u.Exe()
	addr, err := u.PushBytes([]byte(exe + "\x00"))
	if err != nil {
		return err
	}
	var tmp [8]byte
	auxv, err := u.PackAddr(tmp[:], addr)
	if err != nil {
		return err
	}
	err = posix.StackInit(u, args, env, auxv)
	if err != nil {
		return err
	}
	// offset to mach_header at exe[0:] in guest memory
	textOffset, _, _ := u.Loader().Header()
	offset := u.Base() + textOffset
	_, err = u.Push(offset)
	return err
}

开发者ID:lunixbochs，项目名称:usercorn，代码行数:21，代码来源:kernel.go

示例20: AbiInit

func AbiInit(u models.Usercorn, args, env []string, auxv []byte, syscall func(models.Usercorn)) error {
	u.HookAdd(uc.HOOK_INSN, func(_ uc.Unicorn) {
		syscall(u)
	}, uc.X86_INS_SYSCALL)
	return u.PosixInit(args, env, auxv)
}

开发者ID:SBkiller，项目名称:usercorn，代码行数:6，代码来源:abi.go

注：本文中的github.com/lunixbochs/usercorn/go/models.Usercorn类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。