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package seccomp
// SPDX-License-Identifier: Apache-2.0
// Copyright 2013-2018 Docker, Inc.
// Seccomp represents the config for a seccomp profile for syscall restriction.
type Seccomp struct {
DefaultAction Action `json:"defaultAction"`
// DefaultErrnoRet is obsolete, please use DefaultErrno
DefaultErrnoRet *uint `json:"defaultErrnoRet,omitempty"`
DefaultErrno string `json:"defaultErrno,omitempty"`
// Architectures is kept to maintain backward compatibility with the old
// seccomp profile.
Architectures []Arch `json:"architectures,omitempty"`
ArchMap []Architecture `json:"archMap,omitempty"`
Syscalls []*Syscall `json:"syscalls"`
Flags []string `json:"flags,omitempty"`
ListenerPath string `json:"listenerPath,omitempty"`
ListenerMetadata string `json:"listenerMetadata,omitempty"`
}
// Architecture is used to represent a specific architecture
// and its sub-architectures
type Architecture struct {
Arch Arch `json:"architecture"`
SubArches []Arch `json:"subArchitectures"`
}
// Arch used for architectures
type Arch string
// Additional architectures permitted to be used for system calls
// By default only the native architecture of the kernel is permitted
const (
ArchNative Arch = "SCMP_ARCH_NATIVE"
ArchX86 Arch = "SCMP_ARCH_X86"
ArchX86_64 Arch = "SCMP_ARCH_X86_64"
ArchX32 Arch = "SCMP_ARCH_X32"
ArchARM Arch = "SCMP_ARCH_ARM"
ArchAARCH64 Arch = "SCMP_ARCH_AARCH64"
ArchMIPS Arch = "SCMP_ARCH_MIPS"
ArchMIPS64 Arch = "SCMP_ARCH_MIPS64"
ArchMIPS64N32 Arch = "SCMP_ARCH_MIPS64N32"
ArchMIPSEL Arch = "SCMP_ARCH_MIPSEL"
ArchMIPSEL64 Arch = "SCMP_ARCH_MIPSEL64"
ArchMIPSEL64N32 Arch = "SCMP_ARCH_MIPSEL64N32"
ArchPPC Arch = "SCMP_ARCH_PPC"
ArchPPC64 Arch = "SCMP_ARCH_PPC64"
ArchPPC64LE Arch = "SCMP_ARCH_PPC64LE"
ArchS390 Arch = "SCMP_ARCH_S390"
ArchS390X Arch = "SCMP_ARCH_S390X"
ArchPARISC Arch = "SCMP_ARCH_PARISC"
ArchPARISC64 Arch = "SCMP_ARCH_PARISC64"
ArchRISCV64 Arch = "SCMP_ARCH_RISCV64"
)
// Action taken upon Seccomp rule match
type Action string
// Define actions for Seccomp rules
const (
// ActKill results in termination of the thread that made the system call.
ActKill Action = "SCMP_ACT_KILL"
// ActKillProcess results in termination of the entire process.
ActKillProcess Action = "SCMP_ACT_KILL_PROCESS"
// ActKillThread kills the thread that violated the rule. It is the same as
// ActKill. All other threads from the same thread group will continue to
// execute.
ActKillThread Action = "SCMP_ACT_KILL_THREAD"
ActTrap Action = "SCMP_ACT_TRAP"
ActErrno Action = "SCMP_ACT_ERRNO"
ActTrace Action = "SCMP_ACT_TRACE"
ActAllow Action = "SCMP_ACT_ALLOW"
ActLog Action = "SCMP_ACT_LOG"
ActNotify Action = "SCMP_ACT_NOTIFY"
)
// Operator used to match syscall arguments in Seccomp
type Operator string
// Define operators for syscall arguments in Seccomp
const (
OpNotEqual Operator = "SCMP_CMP_NE"
OpLessThan Operator = "SCMP_CMP_LT"
OpLessEqual Operator = "SCMP_CMP_LE"
OpEqualTo Operator = "SCMP_CMP_EQ"
OpGreaterEqual Operator = "SCMP_CMP_GE"
OpGreaterThan Operator = "SCMP_CMP_GT"
OpMaskedEqual Operator = "SCMP_CMP_MASKED_EQ"
)
// Arg used for matching specific syscall arguments in Seccomp
type Arg struct {
Index uint `json:"index"`
Value uint64 `json:"value"`
ValueTwo uint64 `json:"valueTwo"`
Op Operator `json:"op"`
}
// Filter is used to conditionally apply Seccomp rules
type Filter struct {
Caps []string `json:"caps,omitempty"`
Arches []string `json:"arches,omitempty"`
}
// Syscall is used to match a group of syscalls in Seccomp
type Syscall struct {
Name string `json:"name,omitempty"`
Names []string `json:"names,omitempty"`
Action Action `json:"action"`
Args []*Arg `json:"args"`
Comment string `json:"comment"`
Includes Filter `json:"includes"`
Excludes Filter `json:"excludes"`
// ErrnoRet is obsolete, please use Errno
ErrnoRet *uint `json:"errnoRet,omitempty"`
Errno string `json:"errno,omitempty"`
}
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