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consts_common.go
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consts_common.go
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// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2016-present Datadog, Inc.
// Package model holds model related files
package model
import (
"crypto/sha256"
"fmt"
"math"
"math/bits"
"sort"
"strings"
"sync"
"syscall"
"github.com/DataDog/datadog-agent/pkg/security/secl/compiler/eval"
"github.com/DataDog/datadog-agent/pkg/security/secl/model/usersession"
lru "github.com/hashicorp/golang-lru/v2"
)
const (
// MaxSegmentLength defines the maximum length of each segment of a path
MaxSegmentLength = 255
// MaxPathDepth defines the maximum depth of a path
// see pkg/security/ebpf/c/dentry_resolver.h: DR_MAX_TAIL_CALL * DR_MAX_ITERATION_DEPTH
MaxPathDepth = 1363
// MaxBpfObjName defines the maximum length of a Bpf object name
MaxBpfObjName = 16
// PathSuffix defines the suffix used for path fields
PathSuffix = ".path"
// NameSuffix defines the suffix used for name fields
NameSuffix = ".name"
// ContainerIDLen defines the length of a container ID
ContainerIDLen = sha256.Size * 2
// MaxSymlinks maximum symlinks captured
MaxSymlinks = 2
// MaxTracedCgroupsCount hard limit for the count of traced cgroups
MaxTracedCgroupsCount = 128
)
const (
// EventFlagsAsync async event
EventFlagsAsync = 1 << iota
// EventFlagsSavedByAD saved by ad
EventFlagsSavedByAD
// EventFlagsActivityDumpSample an AD sample
EventFlagsActivityDumpSample
// EventFlagsSecurityProfileInProfile true if the event was found in a profile
EventFlagsSecurityProfileInProfile
// EventFlagsAnomalyDetectionEvent true if the event is marked as being an anomaly
EventFlagsAnomalyDetectionEvent
// EventFlagsHasActiveActivityDump true if the event has an active activity dump associated to it
EventFlagsHasActiveActivityDump
)
var (
// vmConstants is the list of protection flags for a virtual memory segment
// generate_constants:Virtual Memory flags,Virtual Memory flags define the protection of a virtual memory segment.
vmConstants = map[string]uint64{
"VM_NONE": 0x0,
"VM_READ": 0x1,
"VM_WRITE": 0x2,
"VM_EXEC": 0x4,
"VM_SHARED": 0x8,
"VM_MAYREAD": 0x00000010,
"VM_MAYWRITE": 0x00000020,
"VM_MAYEXEC": 0x00000040,
"VM_MAYSHARE": 0x00000080,
"VM_GROWSDOWN": 0x00000100, /* general info on the segment */
"VM_UFFD_MISSING": 0x00000200, /* missing pages tracking */
"VM_PFNMAP": 0x00000400, /* Page-ranges managed without "struct page", just pure PFN */
"VM_UFFD_WP": 0x00001000, /* wrprotect pages tracking */
"VM_LOCKED": 0x00002000,
"VM_IO": 0x00004000, /* Memory mapped I/O or similar */
"VM_SEQ_READ": 0x00008000, /* App will access data sequentially */
"VM_RAND_READ": 0x00010000, /* App will not benefit from clustered reads */
"VM_DONTCOPY": 0x00020000, /* Do not copy this vma on fork */
"VM_DONTEXPAND": 0x00040000, /* Cannot expand with mremap() */
"VM_LOCKONFAULT": 0x00080000, /* Lock the pages covered when they are faulted in */
"VM_ACCOUNT": 0x00100000, /* Is a VM accounted object */
"VM_NORESERVE": 0x00200000, /* should the VM suppress accounting */
"VM_HUGETLB": 0x00400000, /* Huge TLB Page VM */
"VM_SYNC": 0x00800000, /* Synchronous page faults */
"VM_ARCH_1": 0x01000000, /* Architecture-specific flag */
"VM_WIPEONFORK": 0x02000000, /* Wipe VMA contents in child. */
"VM_DONTDUMP": 0x04000000, /* Do not include in the core dump */
"VM_SOFTDIRTY": 0x08000000, /* Not soft dirty clean area */
"VM_MIXEDMAP": 0x10000000, /* Can contain "struct page" and pure PFN pages */
"VM_HUGEPAGE": 0x20000000, /* MADV_HUGEPAGE marked this vma */
"VM_NOHUGEPAGE": 0x40000000, /* MADV_NOHUGEPAGE marked this vma */
"VM_MERGEABLE": 0x80000000, /* KSM may merge identical pages */
}
// BPFCmdConstants is the list of BPF commands
// generate_constants:BPF commands,BPF commands are used to specify a command to a bpf syscall.
BPFCmdConstants = map[string]BPFCmd{
"BPF_MAP_CREATE": BpfMapCreateCmd,
"BPF_MAP_LOOKUP_ELEM": BpfMapLookupElemCmd,
"BPF_MAP_UPDATE_ELEM": BpfMapUpdateElemCmd,
"BPF_MAP_DELETE_ELEM": BpfMapDeleteElemCmd,
"BPF_MAP_GET_NEXT_KEY": BpfMapGetNextKeyCmd,
"BPF_PROG_LOAD": BpfProgLoadCmd,
"BPF_OBJ_PIN": BpfObjPinCmd,
"BPF_OBJ_GET": BpfObjGetCmd,
"BPF_PROG_ATTACH": BpfProgAttachCmd,
"BPF_PROG_DETACH": BpfProgDetachCmd,
"BPF_PROG_TEST_RUN": BpfProgTestRunCmd,
"BPF_PROG_RUN": BpfProgTestRunCmd,
"BPF_PROG_GET_NEXT_ID": BpfProgGetNextIDCmd,
"BPF_MAP_GET_NEXT_ID": BpfMapGetNextIDCmd,
"BPF_PROG_GET_FD_BY_ID": BpfProgGetFdByIDCmd,
"BPF_MAP_GET_FD_BY_ID": BpfMapGetFdByIDCmd,
"BPF_OBJ_GET_INFO_BY_FD": BpfObjGetInfoByFdCmd,
"BPF_PROG_QUERY": BpfProgQueryCmd,
"BPF_RAW_TRACEPOINT_OPEN": BpfRawTracepointOpenCmd,
"BPF_BTF_LOAD": BpfBtfLoadCmd,
"BPF_BTF_GET_FD_BY_ID": BpfBtfGetFdByIDCmd,
"BPF_TASK_FD_QUERY": BpfTaskFdQueryCmd,
"BPF_MAP_LOOKUP_AND_DELETE_ELEM": BpfMapLookupAndDeleteElemCmd,
"BPF_MAP_FREEZE": BpfMapFreezeCmd,
"BPF_BTF_GET_NEXT_ID": BpfBtfGetNextIDCmd,
"BPF_MAP_LOOKUP_BATCH": BpfMapLookupBatchCmd,
"BPF_MAP_LOOKUP_AND_DELETE_BATCH": BpfMapLookupAndDeleteBatchCmd,
"BPF_MAP_UPDATE_BATCH": BpfMapUpdateBatchCmd,
"BPF_MAP_DELETE_BATCH": BpfMapDeleteBatchCmd,
"BPF_LINK_CREATE": BpfLinkCreateCmd,
"BPF_LINK_UPDATE": BpfLinkUpdateCmd,
"BPF_LINK_GET_FD_BY_ID": BpfLinkGetFdByIDCmd,
"BPF_LINK_GET_NEXT_ID": BpfLinkGetNextIDCmd,
"BPF_ENABLE_STATS": BpfEnableStatsCmd,
"BPF_ITER_CREATE": BpfIterCreateCmd,
"BPF_LINK_DETACH": BpfLinkDetachCmd,
"BPF_PROG_BIND_MAP": BpfProgBindMapCmd,
}
// BPFHelperFuncConstants is the list of BPF helper func constants
// generate_constants:BPF helper functions,BPF helper functions are the supported BPF helper functions.
BPFHelperFuncConstants = map[string]BPFHelperFunc{
"BPF_UNSPEC": BpfUnspec,
"BPF_MAP_LOOKUP_ELEM": BpfMapLookupElem,
"BPF_MAP_UPDATE_ELEM": BpfMapUpdateElem,
"BPF_MAP_DELETE_ELEM": BpfMapDeleteElem,
"BPF_PROBE_READ": BpfProbeRead,
"BPF_KTIME_GET_NS": BpfKtimeGetNs,
"BPF_TRACE_PRINTK": BpfTracePrintk,
"BPF_GET_PRANDOM_U32": BpfGetPrandomU32,
"BPF_GET_SMP_PROCESSOR_ID": BpfGetSmpProcessorID,
"BPF_SKB_STORE_BYTES": BpfSkbStoreBytes,
"BPF_L3_CSUM_REPLACE": BpfL3CsumReplace,
"BPF_L4_CSUM_REPLACE": BpfL4CsumReplace,
"BPF_TAIL_CALL": BpfTailCall,
"BPF_CLONE_REDIRECT": BpfCloneRedirect,
"BPF_GET_CURRENT_PID_TGID": BpfGetCurrentPidTgid,
"BPF_GET_CURRENT_UID_GID": BpfGetCurrentUIDGid,
"BPF_GET_CURRENT_COMM": BpfGetCurrentComm,
"BPF_GET_CGROUP_CLASSID": BpfGetCgroupClassid,
"BPF_SKB_VLAN_PUSH": BpfSkbVlanPush,
"BPF_SKB_VLAN_POP": BpfSkbVlanPop,
"BPF_SKB_GET_TUNNEL_KEY": BpfSkbGetTunnelKey,
"BPF_SKB_SET_TUNNEL_KEY": BpfSkbSetTunnelKey,
"BPF_PERF_EVENT_READ": BpfPerfEventRead,
"BPF_REDIRECT": BpfRedirect,
"BPF_GET_ROUTE_REALM": BpfGetRouteRealm,
"BPF_PERF_EVENT_OUTPUT": BpfPerfEventOutput,
"BPF_SKB_LOAD_BYTES": BpfSkbLoadBytes,
"BPF_GET_STACKID": BpfGetStackid,
"BPF_CSUM_DIFF": BpfCsumDiff,
"BPF_SKB_GET_TUNNEL_OPT": BpfSkbGetTunnelOpt,
"BPF_SKB_SET_TUNNEL_OPT": BpfSkbSetTunnelOpt,
"BPF_SKB_CHANGE_PROTO": BpfSkbChangeProto,
"BPF_SKB_CHANGE_TYPE": BpfSkbChangeType,
"BPF_SKB_UNDER_CGROUP": BpfSkbUnderCgroup,
"BPF_GET_HASH_RECALC": BpfGetHashRecalc,
"BPF_GET_CURRENT_TASK": BpfGetCurrentTask,
"BPF_PROBE_WRITE_USER": BpfProbeWriteUser,
"BPF_CURRENT_TASK_UNDER_CGROUP": BpfCurrentTaskUnderCgroup,
"BPF_SKB_CHANGE_TAIL": BpfSkbChangeTail,
"BPF_SKB_PULL_DATA": BpfSkbPullData,
"BPF_CSUM_UPDATE": BpfCsumUpdate,
"BPF_SET_HASH_INVALID": BpfSetHashInvalid,
"BPF_GET_NUMA_NODE_ID": BpfGetNumaNodeID,
"BPF_SKB_CHANGE_HEAD": BpfSkbChangeHead,
"BPF_XDP_ADJUST_HEAD": BpfXdpAdjustHead,
"BPF_PROBE_READ_STR": BpfProbeReadStr,
"BPF_GET_SOCKET_COOKIE": BpfGetSocketCookie,
"BPF_GET_SOCKET_UID": BpfGetSocketUID,
"BPF_SET_HASH": BpfSetHash,
"BPF_SETSOCKOPT": BpfSetsockopt,
"BPF_SKB_ADJUST_ROOM": BpfSkbAdjustRoom,
"BPF_REDIRECT_MAP": BpfRedirectMap,
"BPF_SK_REDIRECT_MAP": BpfSkRedirectMap,
"BPF_SOCK_MAP_UPDATE": BpfSockMapUpdate,
"BPF_XDP_ADJUST_META": BpfXdpAdjustMeta,
"BPF_PERF_EVENT_READ_VALUE": BpfPerfEventReadValue,
"BPF_PERF_PROG_READ_VALUE": BpfPerfProgReadValue,
"BPF_GETSOCKOPT": BpfGetsockopt,
"BPF_OVERRIDE_RETURN": BpfOverrideReturn,
"BPF_SOCK_OPS_CB_FLAGS_SET": BpfSockOpsCbFlagsSet,
"BPF_MSG_REDIRECT_MAP": BpfMsgRedirectMap,
"BPF_MSG_APPLY_BYTES": BpfMsgApplyBytes,
"BPF_MSG_CORK_BYTES": BpfMsgCorkBytes,
"BPF_MSG_PULL_DATA": BpfMsgPullData,
"BPF_BIND": BpfBind,
"BPF_XDP_ADJUST_TAIL": BpfXdpAdjustTail,
"BPF_SKB_GET_XFRM_STATE": BpfSkbGetXfrmState,
"BPF_GET_STACK": BpfGetStack,
"BPF_SKB_LOAD_BYTES_RELATIVE": BpfSkbLoadBytesRelative,
"BPF_FIB_LOOKUP": BpfFibLookup,
"BPF_SOCK_HASH_UPDATE": BpfSockHashUpdate,
"BPF_MSG_REDIRECT_HASH": BpfMsgRedirectHash,
"BPF_SK_REDIRECT_HASH": BpfSkRedirectHash,
"BPF_LWT_PUSH_ENCAP": BpfLwtPushEncap,
"BPF_LWT_SEG6_STORE_BYTES": BpfLwtSeg6StoreBytes,
"BPF_LWT_SEG6_ADJUST_SRH": BpfLwtSeg6AdjustSrh,
"BPF_LWT_SEG6_ACTION": BpfLwtSeg6Action,
"BPF_RC_REPEAT": BpfRcRepeat,
"BPF_RC_KEYDOWN": BpfRcKeydown,
"BPF_SKB_CGROUP_ID": BpfSkbCgroupID,
"BPF_GET_CURRENT_CGROUP_ID": BpfGetCurrentCgroupID,
"BPF_GET_LOCAL_STORAGE": BpfGetLocalStorage,
"BPF_SK_SELECT_REUSEPORT": BpfSkSelectReuseport,
"BPF_SKB_ANCESTOR_CGROUP_ID": BpfSkbAncestorCgroupID,
"BPF_SK_LOOKUP_TCP": BpfSkLookupTCP,
"BPF_SK_LOOKUP_UDP": BpfSkLookupUDP,
"BPF_SK_RELEASE": BpfSkRelease,
"BPF_MAP_PUSH_ELEM": BpfMapPushElem,
"BPF_MAP_POP_ELEM": BpfMapPopElem,
"BPF_MAP_PEEK_ELEM": BpfMapPeekElem,
"BPF_MSG_PUSH_DATA": BpfMsgPushData,
"BPF_MSG_POP_DATA": BpfMsgPopData,
"BPF_RC_POINTER_REL": BpfRcPointerRel,
"BPF_SPIN_LOCK": BpfSpinLock,
"BPF_SPIN_UNLOCK": BpfSpinUnlock,
"BPF_SK_FULLSOCK": BpfSkFullsock,
"BPF_TCP_SOCK": BpfTCPSock,
"BPF_SKB_ECN_SET_CE": BpfSkbEcnSetCe,
"BPF_GET_LISTENER_SOCK": BpfGetListenerSock,
"BPF_SKC_LOOKUP_TCP": BpfSkcLookupTCP,
"BPF_TCP_CHECK_SYNCOOKIE": BpfTCPCheckSyncookie,
"BPF_SYSCTL_GET_NAME": BpfSysctlGetName,
"BPF_SYSCTL_GET_CURRENT_VALUE": BpfSysctlGetCurrentValue,
"BPF_SYSCTL_GET_NEW_VALUE": BpfSysctlGetNewValue,
"BPF_SYSCTL_SET_NEW_VALUE": BpfSysctlSetNewValue,
"BPF_STRTOL": BpfStrtol,
"BPF_STRTOUL": BpfStrtoul,
"BPF_SK_STORAGE_GET": BpfSkStorageGet,
"BPF_SK_STORAGE_DELETE": BpfSkStorageDelete,
"BPF_SEND_SIGNAL": BpfSendSignal,
"BPF_TCP_GEN_SYNCOOKIE": BpfTCPGenSyncookie,
"BPF_SKB_OUTPUT": BpfSkbOutput,
"BPF_PROBE_READ_USER": BpfProbeReadUser,
"BPF_PROBE_READ_KERNEL": BpfProbeReadKernel,
"BPF_PROBE_READ_USER_STR": BpfProbeReadUserStr,
"BPF_PROBE_READ_KERNEL_STR": BpfProbeReadKernelStr,
"BPF_TCP_SEND_ACK": BpfTCPSendAck,
"BPF_SEND_SIGNAL_THREAD": BpfSendSignalThread,
"BPF_JIFFIES64": BpfJiffies64,
"BPF_READ_BRANCH_RECORDS": BpfReadBranchRecords,
"BPF_GET_NS_CURRENT_PID_TGID": BpfGetNsCurrentPidTgid,
"BPF_XDP_OUTPUT": BpfXdpOutput,
"BPF_GET_NETNS_COOKIE": BpfGetNetnsCookie,
"BPF_GET_CURRENT_ANCESTOR_CGROUP_ID": BpfGetCurrentAncestorCgroupID,
"BPF_SK_ASSIGN": BpfSkAssign,
"BPF_KTIME_GET_BOOT_NS": BpfKtimeGetBootNs,
"BPF_SEQ_PRINTF": BpfSeqPrintf,
"BPF_SEQ_WRITE": BpfSeqWrite,
"BPF_SK_CGROUP_ID": BpfSkCgroupID,
"BPF_SK_ANCESTOR_CGROUP_ID": BpfSkAncestorCgroupID,
"BPF_RINGBUF_OUTPUT": BpfRingbufOutput,
"BPF_RINGBUF_RESERVE": BpfRingbufReserve,
"BPF_RINGBUF_SUBMIT": BpfRingbufSubmit,
"BPF_RINGBUF_DISCARD": BpfRingbufDiscard,
"BPF_RINGBUF_QUERY": BpfRingbufQuery,
"BPF_CSUM_LEVEL": BpfCsumLevel,
"BPF_SKC_TO_TCP6_SOCK": BpfSkcToTCP6Sock,
"BPF_SKC_TO_TCP_SOCK": BpfSkcToTCPSock,
"BPF_SKC_TO_TCP_TIMEWAIT_SOCK": BpfSkcToTCPTimewaitSock,
"BPF_SKC_TO_TCP_REQUEST_SOCK": BpfSkcToTCPRequestSock,
"BPF_SKC_TO_UDP6_SOCK": BpfSkcToUDP6Sock,
"BPF_GET_TASK_STACK": BpfGetTaskStack,
"BPF_LOAD_HDR_OPT": BpfLoadHdrOpt,
"BPF_STORE_HDR_OPT": BpfStoreHdrOpt,
"BPF_RESERVE_HDR_OPT": BpfReserveHdrOpt,
"BPF_INODE_STORAGE_GET": BpfInodeStorageGet,
"BPF_INODE_STORAGE_DELETE": BpfInodeStorageDelete,
"BPF_D_PATH": BpfDPath,
"BPF_COPY_FROM_USER": BpfCopyFromUser,
"BPF_SNPRINTF_BTF": BpfSnprintfBtf,
"BPF_SEQ_PRINTF_BTF": BpfSeqPrintfBtf,
"BPF_SKB_CGROUP_CLASSID": BpfSkbCgroupClassid,
"BPF_REDIRECT_NEIGH": BpfRedirectNeigh,
"BPF_PER_CPU_PTR": BpfPerCPUPtr,
"BPF_THIS_CPU_PTR": BpfThisCPUPtr,
"BPF_REDIRECT_PEER": BpfRedirectPeer,
"BPF_TASK_STORAGE_GET": BpfTaskStorageGet,
"BPF_TASK_STORAGE_DELETE": BpfTaskStorageDelete,
"BPF_GET_CURRENT_TASK_BTF": BpfGetCurrentTaskBtf,
"BPF_BPRM_OPTS_SET": BpfBprmOptsSet,
"BPF_KTIME_GET_COARSE_NS": BpfKtimeGetCoarseNs,
"BPF_IMA_INODE_HASH": BpfImaInodeHash,
"BPF_SOCK_FROM_FILE": BpfSockFromFile,
"BPF_CHECK_MTU": BpfCheckMtu,
"BPF_FOR_EACH_MAP_ELEM": BpfForEachMapElem,
"BPF_SNPRINTF": BpfSnprintf,
}
// BPFMapTypeConstants is the list of BPF map type constants
// generate_constants:BPF map types,BPF map types are the supported eBPF map types.
BPFMapTypeConstants = map[string]BPFMapType{
"BPF_MAP_TYPE_UNSPEC": BpfMapTypeUnspec,
"BPF_MAP_TYPE_HASH": BpfMapTypeHash,
"BPF_MAP_TYPE_ARRAY": BpfMapTypeArray,
"BPF_MAP_TYPE_PROG_ARRAY": BpfMapTypeProgArray,
"BPF_MAP_TYPE_PERF_EVENT_ARRAY": BpfMapTypePerfEventArray,
"BPF_MAP_TYPE_PERCPU_HASH": BpfMapTypePercpuHash,
"BPF_MAP_TYPE_PERCPU_ARRAY": BpfMapTypePercpuArray,
"BPF_MAP_TYPE_STACK_TRACE": BpfMapTypeStackTrace,
"BPF_MAP_TYPE_CGROUP_ARRAY": BpfMapTypeCgroupArray,
"BPF_MAP_TYPE_LRU_HASH": BpfMapTypeLruHash,
"BPF_MAP_TYPE_LRU_PERCPU_HASH": BpfMapTypeLruPercpuHash,
"BPF_MAP_TYPE_LPM_TRIE": BpfMapTypeLpmTrie,
"BPF_MAP_TYPE_ARRAY_OF_MAPS": BpfMapTypeArrayOfMaps,
"BPF_MAP_TYPE_HASH_OF_MAPS": BpfMapTypeHashOfMaps,
"BPF_MAP_TYPE_DEVMAP": BpfMapTypeDevmap,
"BPF_MAP_TYPE_SOCKMAP": BpfMapTypeSockmap,
"BPF_MAP_TYPE_CPUMAP": BpfMapTypeCPUmap,
"BPF_MAP_TYPE_XSKMAP": BpfMapTypeXskmap,
"BPF_MAP_TYPE_SOCKHASH": BpfMapTypeSockhash,
"BPF_MAP_TYPE_CGROUP_STORAGE": BpfMapTypeCgroupStorage,
"BPF_MAP_TYPE_REUSEPORT_SOCKARRAY": BpfMapTypeReuseportSockarray,
"BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE": BpfMapTypePercpuCgroupStorage,
"BPF_MAP_TYPE_QUEUE": BpfMapTypeQueue,
"BPF_MAP_TYPE_STACK": BpfMapTypeStack,
"BPF_MAP_TYPE_SK_STORAGE": BpfMapTypeSkStorage,
"BPF_MAP_TYPE_DEVMAP_HASH": BpfMapTypeDevmapHash,
"BPF_MAP_TYPE_STRUCT_OPS": BpfMapTypeStructOps,
"BPF_MAP_TYPE_RINGBUF": BpfMapTypeRingbuf,
"BPF_MAP_TYPE_INODE_STORAGE": BpfMapTypeInodeStorage,
"BPF_MAP_TYPE_TASK_STORAGE": BpfMapTypeTaskStorage,
}
// BPFProgramTypeConstants is the list of BPF program type constants
// generate_constants:BPF program types,BPF program types are the supported eBPF program types.
BPFProgramTypeConstants = map[string]BPFProgramType{
"BPF_PROG_TYPE_UNSPEC": BpfProgTypeUnspec,
"BPF_PROG_TYPE_SOCKET_FILTER": BpfProgTypeSocketFilter,
"BPF_PROG_TYPE_KPROBE": BpfProgTypeKprobe,
"BPF_PROG_TYPE_SCHED_CLS": BpfProgTypeSchedCls,
"BPF_PROG_TYPE_SCHED_ACT": BpfProgTypeSchedAct,
"BPF_PROG_TYPE_TRACEPOINT": BpfProgTypeTracepoint,
"BPF_PROG_TYPE_XDP": BpfProgTypeXdp,
"BPF_PROG_TYPE_PERF_EVENT": BpfProgTypePerfEvent,
"BPF_PROG_TYPE_CGROUP_SKB": BpfProgTypeCgroupSkb,
"BPF_PROG_TYPE_CGROUP_SOCK": BpfProgTypeCgroupSock,
"BPF_PROG_TYPE_LWT_IN": BpfProgTypeLwtIn,
"BPF_PROG_TYPE_LWT_OUT": BpfProgTypeLwtOut,
"BPF_PROG_TYPE_LWT_XMIT": BpfProgTypeLwtXmit,
"BPF_PROG_TYPE_SOCK_OPS": BpfProgTypeSockOps,
"BPF_PROG_TYPE_SK_SKB": BpfProgTypeSkSkb,
"BPF_PROG_TYPE_CGROUP_DEVICE": BpfProgTypeCgroupDevice,
"BPF_PROG_TYPE_SK_MSG": BpfProgTypeSkMsg,
"BPF_PROG_TYPE_RAW_TRACEPOINT": BpfProgTypeRawTracepoint,
"BPF_PROG_TYPE_CGROUP_SOCK_ADDR": BpfProgTypeCgroupSockAddr,
"BPF_PROG_TYPE_LWT_SEG6LOCAL": BpfProgTypeLwtSeg6local,
"BPF_PROG_TYPE_LIRC_MODE2": BpfProgTypeLircMode2,
"BPF_PROG_TYPE_SK_REUSEPORT": BpfProgTypeSkReuseport,
"BPF_PROG_TYPE_FLOW_DISSECTOR": BpfProgTypeFlowDissector,
"BPF_PROG_TYPE_CGROUP_SYSCTL": BpfProgTypeCgroupSysctl,
"BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE": BpfProgTypeRawTracepointWritable,
"BPF_PROG_TYPE_CGROUP_SOCKOPT": BpfProgTypeCgroupSockopt,
"BPF_PROG_TYPE_TRACING": BpfProgTypeTracing,
"BPF_PROG_TYPE_STRUCT_OPS": BpfProgTypeStructOps,
"BPF_PROG_TYPE_EXT": BpfProgTypeExt,
"BPF_PROG_TYPE_LSM": BpfProgTypeLsm,
"BPF_PROG_TYPE_SK_LOOKUP": BpfProgTypeSkLookup,
}
// BPFAttachTypeConstants is the list of BPF attach type constants
// generate_constants:BPF attach types,BPF attach types are the supported eBPF program attach types.
BPFAttachTypeConstants = map[string]BPFAttachType{
"BPF_CGROUP_INET_INGRESS": BpfCgroupInetIngress,
"BPF_CGROUP_INET_EGRESS": BpfCgroupInetEgress,
"BPF_CGROUP_INET_SOCK_CREATE": BpfCgroupInetSockCreate,
"BPF_CGROUP_SOCK_OPS": BpfCgroupSockOps,
"BPF_SK_SKB_STREAM_PARSER": BpfSkSkbStreamParser,
"BPF_SK_SKB_STREAM_VERDICT": BpfSkSkbStreamVerdict,
"BPF_CGROUP_DEVICE": BpfCgroupDevice,
"BPF_SK_MSG_VERDICT": BpfSkMsgVerdict,
"BPF_CGROUP_INET4_BIND": BpfCgroupInet4Bind,
"BPF_CGROUP_INET6_BIND": BpfCgroupInet6Bind,
"BPF_CGROUP_INET4_CONNECT": BpfCgroupInet4Connect,
"BPF_CGROUP_INET6_CONNECT": BpfCgroupInet6Connect,
"BPF_CGROUP_INET4_POST_BIND": BpfCgroupInet4PostBind,
"BPF_CGROUP_INET6_POST_BIND": BpfCgroupInet6PostBind,
"BPF_CGROUP_UDP4_SENDMSG": BpfCgroupUDP4Sendmsg,
"BPF_CGROUP_UDP6_SENDMSG": BpfCgroupUDP6Sendmsg,
"BPF_LIRC_MODE2": BpfLircMode2,
"BPF_FLOW_DISSECTOR": BpfFlowDissector,
"BPF_CGROUP_SYSCTL": BpfCgroupSysctl,
"BPF_CGROUP_UDP4_RECVMSG": BpfCgroupUDP4Recvmsg,
"BPF_CGROUP_UDP6_RECVMSG": BpfCgroupUDP6Recvmsg,
"BPF_CGROUP_GETSOCKOPT": BpfCgroupGetsockopt,
"BPF_CGROUP_SETSOCKOPT": BpfCgroupSetsockopt,
"BPF_TRACE_RAW_TP": BpfTraceRawTp,
"BPF_TRACE_FENTRY": BpfTraceFentry,
"BPF_TRACE_FEXIT": BpfTraceFexit,
"BPF_MODIFY_RETURN": BpfModifyReturn,
"BPF_LSM_MAC": BpfLsmMac,
"BPF_TRACE_ITER": BpfTraceIter,
"BPF_CGROUP_INET4_GETPEERNAME": BpfCgroupInet4Getpeername,
"BPF_CGROUP_INET6_GETPEERNAME": BpfCgroupInet6Getpeername,
"BPF_CGROUP_INET4_GETSOCKNAME": BpfCgroupInet4Getsockname,
"BPF_CGROUP_INET6_GETSOCKNAME": BpfCgroupInet6Getsockname,
"BPF_XDP_DEVMAP": BpfXdpDevmap,
"BPF_CGROUP_INET_SOCK_RELEASE": BpfCgroupInetSockRelease,
"BPF_XDP_CPUMAP": BpfXdpCPUmap,
"BPF_SK_LOOKUP": BpfSkLookup,
"BPF_XDP": BpfXdp,
"BPF_SK_SKB_VERDICT": BpfSkSkbVerdict,
}
// PipeBufFlagConstants is the list of pipe buffer flags
// generate_constants:Pipe buffer flags,Pipe buffer flags are the supported flags for a pipe buffer.
PipeBufFlagConstants = map[string]PipeBufFlag{
"PIPE_BUF_FLAG_LRU": PipeBufFlagLRU,
"PIPE_BUF_FLAG_ATOMIC": PipeBufFlagAtomic,
"PIPE_BUF_FLAG_GIFT": PipeBufFlagGift,
"PIPE_BUF_FLAG_PACKET": PipeBufFlagPacket,
"PIPE_BUF_FLAG_CAN_MERGE": PipeBufFlagCanMerge,
"PIPE_BUF_FLAG_WHOLE": PipeBufFlagWhole,
"PIPE_BUF_FLAG_LOSS": PipeBufFlagLoss,
}
// DNSQTypeConstants see https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml
// generate_constants:DNS qtypes,DNS qtypes are the supported DNS query types.
DNSQTypeConstants = map[string]int{
"None": 0,
"A": 1,
"NS": 2,
"MD": 3,
"MF": 4,
"CNAME": 5,
"SOA": 6,
"MB": 7,
"MG": 8,
"MR": 9,
"NULL": 10,
"PTR": 12,
"HINFO": 13,
"MINFO": 14,
"MX": 15,
"TXT": 16,
"RP": 17,
"AFSDB": 18,
"X25": 19,
"ISDN": 20,
"RT": 21,
"NSAPPTR": 23,
"SIG": 24,
"KEY": 25,
"PX": 26,
"GPOS": 27,
"AAAA": 28,
"LOC": 29,
"NXT": 30,
"EID": 31,
"NIMLOC": 32,
"SRV": 33,
"ATMA": 34,
"NAPTR": 35,
"KX": 36,
"CERT": 37,
"DNAME": 39,
"OPT": 41,
"APL": 42,
"DS": 43,
"SSHFP": 44,
"RRSIG": 46,
"NSEC": 47,
"DNSKEY": 48,
"DHCID": 49,
"NSEC3": 50,
"NSEC3PARAM": 51,
"TLSA": 52,
"SMIMEA": 53,
"HIP": 55,
"NINFO": 56,
"RKEY": 57,
"TALINK": 58,
"CDS": 59,
"CDNSKEY": 60,
"OPENPGPKEY": 61,
"CSYNC": 62,
"ZONEMD": 63,
"SVCB": 64,
"HTTPS": 65,
"SPF": 99,
"UINFO": 100,
"UID": 101,
"GID": 102,
"UNSPEC": 103,
"NID": 104,
"L32": 105,
"L64": 106,
"LP": 107,
"EUI48": 108,
"EUI64": 109,
"URI": 256,
"CAA": 257,
"AVC": 258,
"TKEY": 249,
"TSIG": 250,
"IXFR": 251,
"AXFR": 252,
"MAILB": 253,
"MAILA": 254,
"ANY": 255,
"TA": 32768,
"DLV": 32769,
"Reserved": 65535,
}
// DNSQClassConstants see https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml
// generate_constants:DNS qclasses,DNS qclasses are the supported DNS query classes.
DNSQClassConstants = map[string]int{
"CLASS_INET": 1,
"CLASS_CSNET": 2,
"CLASS_CHAOS": 3,
"CLASS_HESIOD": 4,
"CLASS_NONE": 254,
"CLASS_ANY": 255,
}
// BooleanConstants holds the evaluator for boolean constants
// generate_constants:Boolean constants,Boolean constants are the supported boolean constants.
BooleanConstants = map[string]interface{}{
// boolean
"true": &eval.BoolEvaluator{Value: true},
"false": &eval.BoolEvaluator{Value: false},
}
// seclConstants are constants supported in runtime security agent rules
seclConstants = map[string]interface{}{}
// L3ProtocolConstants is the list of supported L3 protocols
// generate_constants:L3 protocols,L3 protocols are the supported Layer 3 protocols.
L3ProtocolConstants = map[string]L3Protocol{
"ETH_P_LOOP": EthPLOOP,
"ETH_P_PUP": EthPPUP,
"ETH_P_PUPAT": EthPPUPAT,
"ETH_P_TSN": EthPTSN,
"ETH_P_IP": EthPIP,
"ETH_P_X25": EthPX25,
"ETH_P_ARP": EthPARP,
"ETH_P_BPQ": EthPBPQ,
"ETH_P_IEEEPUP": EthPIEEEPUP,
"ETH_P_IEEEPUPAT": EthPIEEEPUPAT,
"ETH_P_BATMAN": EthPBATMAN,
"ETH_P_DEC": EthPDEC,
"ETH_P_DNADL": EthPDNADL,
"ETH_P_DNARC": EthPDNARC,
"ETH_P_DNART": EthPDNART,
"ETH_P_LAT": EthPLAT,
"ETH_P_DIAG": EthPDIAG,
"ETH_P_CUST": EthPCUST,
"ETH_P_SCA": EthPSCA,
"ETH_P_TEB": EthPTEB,
"ETH_P_RARP": EthPRARP,
"ETH_P_ATALK": EthPATALK,
"ETH_P_AARP": EthPAARP,
"ETH_P_8021_Q": EthP8021Q,
"ETH_P_ERSPAN": EthPERSPAN,
"ETH_P_IPX": EthPIPX,
"ETH_P_IPV6": EthPIPV6,
"ETH_P_PAUSE": EthPPAUSE,
"ETH_P_SLOW": EthPSLOW,
"ETH_P_WCCP": EthPWCCP,
"ETH_P_MPLSUC": EthPMPLSUC,
"ETH_P_MPLSMC": EthPMPLSMC,
"ETH_P_ATMMPOA": EthPATMMPOA,
"ETH_P_PPPDISC": EthPPPPDISC,
"ETH_P_PPPSES": EthPPPPSES,
"ETH_P__LINK_CTL": EthPLinkCTL,
"ETH_P_ATMFATE": EthPATMFATE,
"ETH_P_PAE": EthPPAE,
"ETH_P_AOE": EthPAOE,
"ETH_P_8021_AD": EthP8021AD,
"ETH_P_802_EX1": EthP802EX1,
"ETH_P_TIPC": EthPTIPC,
"ETH_P_MACSEC": EthPMACSEC,
"ETH_P_8021_AH": EthP8021AH,
"ETH_P_MVRP": EthPMVRP,
"ETH_P_1588": EthP1588,
"ETH_P_NCSI": EthPNCSI,
"ETH_P_PRP": EthPPRP,
"ETH_P_FCOE": EthPFCOE,
"ETH_P_IBOE": EthPIBOE,
"ETH_P_TDLS": EthPTDLS,
"ETH_P_FIP": EthPFIP,
"ETH_P_80221": EthP80221,
"ETH_P_HSR": EthPHSR,
"ETH_P_NSH": EthPNSH,
"ETH_P_LOOPBACK": EthPLOOPBACK,
"ETH_P_QINQ1": EthPQINQ1,
"ETH_P_QINQ2": EthPQINQ2,
"ETH_P_QINQ3": EthPQINQ3,
"ETH_P_EDSA": EthPEDSA,
"ETH_P_IFE": EthPIFE,
"ETH_P_AFIUCV": EthPAFIUCV,
"ETH_P_8023_MIN": EthP8023MIN,
"ETH_P_IPV6_HOP_BY_HOP": EthPIPV6HopByHop,
"ETH_P_8023": EthP8023,
"ETH_P_AX25": EthPAX25,
"ETH_P_ALL": EthPALL,
"ETH_P_8022": EthP8022,
"ETH_P_SNAP": EthPSNAP,
"ETH_P_DDCMP": EthPDDCMP,
"ETH_P_WANPPP": EthPWANPPP,
"ETH_P_PPPMP": EthPPPPMP,
"ETH_P_LOCALTALK": EthPLOCALTALK,
"ETH_P_CAN": EthPCAN,
"ETH_P_CANFD": EthPCANFD,
"ETH_P_PPPTALK": EthPPPPTALK,
"ETH_P_TR8022": EthPTR8022,
"ETH_P_MOBITEX": EthPMOBITEX,
"ETH_P_CONTROL": EthPCONTROL,
"ETH_P_IRDA": EthPIRDA,
"ETH_P_ECONET": EthPECONET,
"ETH_P_HDLC": EthPHDLC,
"ETH_P_ARCNET": EthPARCNET,
"ETH_P_DSA": EthPDSA,
"ETH_P_TRAILER": EthPTRAILER,
"ETH_P_PHONET": EthPPHONET,
"ETH_P_IEEE802154": EthPIEEE802154,
"ETH_P_CAIF": EthPCAIF,
"ETH_P_XDSA": EthPXDSA,
"ETH_P_MAP": EthPMAP,
}
// L4ProtocolConstants is the list of supported L4 protocols
// generate_constants:L4 protocols,L4 protocols are the supported Layer 4 protocols.
L4ProtocolConstants = map[string]L4Protocol{
"IP_PROTO_IP": IPProtoIP,
"IP_PROTO_ICMP": IPProtoICMP,
"IP_PROTO_IGMP": IPProtoIGMP,
"IP_PROTO_IPIP": IPProtoIPIP,
"IP_PROTO_TCP": IPProtoTCP,
"IP_PROTO_EGP": IPProtoEGP,
"IP_PROTO_IGP": IPProtoIGP,
"IP_PROTO_PUP": IPProtoPUP,
"IP_PROTO_UDP": IPProtoUDP,
"IP_PROTO_IDP": IPProtoIDP,
"IP_PROTO_TP": IPProtoTP,
"IP_PROTO_DCCP": IPProtoDCCP,
"IP_PROTO_IPV6": IPProtoIPV6,
"IP_PROTO_RSVP": IPProtoRSVP,
"IP_PROTO_GRE": IPProtoGRE,
"IP_PROTO_ESP": IPProtoESP,
"IP_PROTO_AH": IPProtoAH,
"IP_PROTO_ICMPV6": IPProtoICMPV6,
"IP_PROTO_MTP": IPProtoMTP,
"IP_PROTO_BEETPH": IPProtoBEETPH,
"IP_PROTO_ENCAP": IPProtoENCAP,
"IP_PROTO_PIM": IPProtoPIM,
"IP_PROTO_COMP": IPProtoCOMP,
"IP_PROTO_SCTP": IPProtoSCTP,
"IP_PROTO_UDPLITE": IPProtoUDPLITE,
"IP_PROTO_MPLS": IPProtoMPLS,
"IP_PROTO_RAW": IPProtoRAW,
}
// exitCauseConstants is the list of supported Exit causes
exitCauseConstants = map[string]ExitCause{
"EXITED": ExitExited,
"COREDUMPED": ExitCoreDumped,
"SIGNALED": ExitSignaled,
}
)
var (
openFlagsStrings = map[int]string{}
fileModeStrings = map[int]string{}
inodeModeStrings = map[int]string{}
unlinkFlagsStrings = map[int]string{}
kernelCapabilitiesStrings = map[uint64]string{}
bpfCmdStrings = map[uint32]string{}
bpfHelperFuncStrings = map[uint32]string{}
bpfMapTypeStrings = map[uint32]string{}
bpfProgramTypeStrings = map[uint32]string{}
bpfAttachTypeStrings = map[uint32]string{}
ptraceFlagsStrings = map[uint32]string{}
vmStrings = map[uint64]string{}
protStrings = map[int]string{}
mmapFlagStrings = map[uint64]string{}
signalStrings = map[int]string{}
pipeBufFlagStrings = map[int]string{}
dnsQTypeStrings = map[uint32]string{}
dnsQClassStrings = map[uint32]string{}
l3ProtocolStrings = map[L3Protocol]string{}
l4ProtocolStrings = map[L4Protocol]string{}
addressFamilyStrings = map[uint16]string{}
exitCauseStrings = map[ExitCause]string{}
)
// File flags
const (
LowerLayer = 1 << iota
UpperLayer
)
func initOpenConstants() {
for k, v := range openFlagsConstants {
seclConstants[k] = &eval.IntEvaluator{Value: v}
}
for k, v := range openFlagsConstants {
openFlagsStrings[v] = k
}
}
func initFileModeConstants() {
for k, v := range fileModeConstants {
seclConstants[k] = &eval.IntEvaluator{Value: v}
fileModeStrings[v] = k
}
}
func initInodeModeConstants() {
for k, v := range inodeModeConstants {
seclConstants[k] = &eval.IntEvaluator{Value: v}
inodeModeStrings[v] = k
}
}
func initUnlinkConstanst() {
for k, v := range unlinkFlagsConstants {
seclConstants[k] = &eval.IntEvaluator{Value: v}
unlinkFlagsStrings[v] = k
}
}
func initErrorConstants() {
for k, v := range errorConstants {
seclConstants[k] = &eval.IntEvaluator{Value: v}
}
}
func initKernelCapabilityConstants() {
for k, v := range KernelCapabilityConstants {
if bits.UintSize == 64 || v < math.MaxInt32 {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
}
kernelCapabilitiesStrings[v] = k
}
}
func initBPFCmdConstants() {
for k, v := range BPFCmdConstants {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
bpfCmdStrings[uint32(v)] = k
}
}
func initBPFHelperFuncConstants() {
for k, v := range BPFHelperFuncConstants {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
bpfHelperFuncStrings[uint32(v)] = k
}
}
func initBPFMapTypeConstants() {
for k, v := range BPFMapTypeConstants {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
bpfMapTypeStrings[uint32(v)] = k
}
}
func initBPFProgramTypeConstants() {
for k, v := range BPFProgramTypeConstants {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
bpfProgramTypeStrings[uint32(v)] = k
}
}
func initBPFAttachTypeConstants() {
for k, v := range BPFAttachTypeConstants {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
bpfAttachTypeStrings[uint32(v)] = k
}
}
func initPtraceConstants() {
for k, v := range ptraceArchConstants {
ptraceConstants[k] = v
}
for k, v := range ptraceConstants {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
}
for k, v := range ptraceConstants {
ptraceFlagsStrings[v] = k
}
}
func initVMConstants() {
for k, v := range vmConstants {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
}
for k, v := range vmConstants {
vmStrings[v] = k
}
}
func initProtConstansts() {
for k, v := range protConstants {
seclConstants[k] = &eval.IntEvaluator{Value: v}
}
for k, v := range protConstants {
protStrings[v] = k
}
}
func initMMapFlagsConstants() {
for k, v := range mmapFlagArchConstants {
mmapFlagConstants[k] = v
}
for k, v := range mmapFlagConstants {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
}
for k, v := range mmapFlagConstants {
mmapFlagStrings[v] = k
}
}
func initSignalConstants() {
for k, v := range SignalConstants {
seclConstants[k] = &eval.IntEvaluator{Value: v}
}
for k, v := range SignalConstants {
signalStrings[v] = k
}
}
func initPipeBufFlagConstants() {
for k, v := range PipeBufFlagConstants {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
pipeBufFlagStrings[int(v)] = k
}
}
func initDNSQClassConstants() {
for k, v := range DNSQClassConstants {
seclConstants[k] = &eval.IntEvaluator{Value: v}
dnsQClassStrings[uint32(v)] = k
}
}
func initDNSQTypeConstants() {
for k, v := range DNSQTypeConstants {
seclConstants[k] = &eval.IntEvaluator{Value: v}
dnsQTypeStrings[uint32(v)] = k
}
}
func initL3ProtocolConstants() {
for k, v := range L3ProtocolConstants {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
l3ProtocolStrings[v] = k
}
}
func initL4ProtocolConstants() {
for k, v := range L4ProtocolConstants {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
l4ProtocolStrings[v] = k
}
}
func initAddressFamilyConstants() {
for k, v := range addressFamilyConstants {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
}
for k, v := range addressFamilyConstants {
addressFamilyStrings[v] = k
}
}
func initExitCauseConstants() {
for k, v := range exitCauseConstants {
seclConstants[k] = &eval.IntEvaluator{Value: int(v)}
exitCauseStrings[v] = k
}
}
func initBPFMapNamesConstants() {
seclConstants["CWS_MAP_NAMES"] = &eval.StringArrayEvaluator{Values: bpfMapNames}
}
func initBoolConstants() {
for k, v := range BooleanConstants {
seclConstants[k] = v
}
}
func initConstants() {
initBoolConstants()
initErrorConstants()
initOpenConstants()
initFileModeConstants()
initInodeModeConstants()
initUnlinkConstanst()
initKernelCapabilityConstants()
initBPFCmdConstants()
initBPFHelperFuncConstants()
initBPFMapTypeConstants()
initBPFProgramTypeConstants()
initBPFAttachTypeConstants()
initPtraceConstants()
initVMConstants()
initProtConstansts()
initMMapFlagsConstants()
initSignalConstants()
initPipeBufFlagConstants()
initDNSQClassConstants()
initDNSQTypeConstants()
initL3ProtocolConstants()
initL4ProtocolConstants()
initAddressFamilyConstants()
initExitCauseConstants()
initBPFMapNamesConstants()
usersession.InitUserSessionTypes()
}
func bitmaskToStringArray(bitmask int, intToStrMap map[int]string) []string {
var strs []string
var result int
for v, s := range intToStrMap {
if v == 0 {
continue
}
if bitmask&v == v {
strs = append(strs, s)
result |= v
}
}
if result != bitmask {
strs = append(strs, fmt.Sprintf("%d", bitmask&^result))
}
sort.Strings(strs)
return strs
}
func bitmaskToString(bitmask int, intToStrMap map[int]string) string {
return strings.Join(bitmaskToStringArray(bitmask, intToStrMap), " | ")
}
func bitmaskU64ToStringArray(bitmask uint64, intToStrMap map[uint64]string) []string {
var strs []string
var result uint64
for v, s := range intToStrMap {
if v == 0 {
continue
}
if bitmask&v == v {
strs = append(strs, s)
result |= v
}
}
if result != bitmask {
strs = append(strs, fmt.Sprintf("%d", bitmask&^result))