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trace.go
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trace.go
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// Package trace defines the public types exported through the EBPF code and produced outwards from tracee-ebpf
package trace
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"strconv"
"strings"
"github.com/aquasecurity/tracee/types/protocol"
)
// Event is a single result of an ebpf event process. It is used as a payload later delivered to tracee-rules.
type Event struct {
Timestamp int `json:"timestamp"`
ThreadStartTime int `json:"threadStartTime"`
ProcessorID int `json:"processorId"`
ProcessID int `json:"processId"`
CgroupID uint `json:"cgroupId"`
ThreadID int `json:"threadId"`
ParentProcessID int `json:"parentProcessId"`
HostProcessID int `json:"hostProcessId"`
HostThreadID int `json:"hostThreadId"`
HostParentProcessID int `json:"hostParentProcessId"`
UserID int `json:"userId"`
MountNS int `json:"mountNamespace"`
PIDNS int `json:"pidNamespace"`
ProcessName string `json:"processName"`
Executable File `json:"executable"`
HostName string `json:"hostName"`
ContainerID string `json:"containerId"`
Container Container `json:"container,omitempty"`
Kubernetes Kubernetes `json:"kubernetes,omitempty"`
EventID int `json:"eventId,string"`
EventName string `json:"eventName"`
PoliciesVersion uint16 `json:"-"`
MatchedPoliciesKernel uint64 `json:"-"`
MatchedPoliciesUser uint64 `json:"-"`
MatchedPolicies []string `json:"matchedPolicies,omitempty"`
ArgsNum int `json:"argsNum"`
ReturnValue int `json:"returnValue"`
Syscall string `json:"syscall"`
StackAddresses []uint64 `json:"stackAddresses"`
ContextFlags ContextFlags `json:"contextFlags"`
ThreadEntityId uint32 `json:"threadEntityId"` // thread task unique identifier (*)
ProcessEntityId uint32 `json:"processEntityId"` // process unique identifier (*)
ParentEntityId uint32 `json:"parentEntityId"` // parent process unique identifier (*)
Args []Argument `json:"args"` // args are ordered according their appearance in the original event
Metadata *Metadata `json:"metadata,omitempty"`
}
// (*) For an OS task to be uniquely identified, tracee builds a hash consisting of:
//
// u64: task start time (from event context)
// u32: task thread id (from event context)
//
// murmur([]byte) where slice of bytes is a concatenation (not a sum) of the 2 values above.
type Container struct {
ID string `json:"id,omitempty"`
Name string `json:"name,omitempty"`
ImageName string `json:"image,omitempty"`
ImageDigest string `json:"imageDigest,omitempty"`
}
type Kubernetes struct {
PodName string `json:"podName,omitempty"`
PodNamespace string `json:"podNamespace,omitempty"`
PodUID string `json:"podUID,omitempty"`
PodSandbox bool `json:"podSandbox,omitempty"`
}
// Metadata is a struct that holds metadata about an event
type Metadata struct {
Version string
Description string
Tags []string
Properties map[string]interface{}
}
// ContextFlags are flags representing event context
type ContextFlags struct {
ContainerStarted bool `json:"containerStarted"`
IsCompat bool `json:"isCompat"`
}
type File struct {
Path string `json:"path"`
}
// EventOrigin is where a trace.Event occured, it can either be from the host machine or from a container
type EventOrigin string
const (
ContainerOrigin EventOrigin = "container" // Events originated from within a container, starting with the entry-point execution
HostOrigin EventOrigin = "host" // Events originated from the host
ContainerInitOrigin EventOrigin = "container-init" // Events originated from within container, before entry-point execution
)
// Origin derive the EventOrigin of a trace.Event
func (e Event) Origin() EventOrigin {
if e.ContextFlags.ContainerStarted {
return ContainerOrigin
}
if e.Container.ID != "" {
return ContainerInitOrigin
}
return HostOrigin
}
const (
EventSource = "tracee"
)
// Converts a trace.Event into a protocol.Event that the rules engine can consume
func (e Event) ToProtocol() protocol.Event {
return protocol.Event{
Headers: protocol.EventHeaders{
Selector: protocol.Selector{
Name: e.EventName,
Origin: string(e.Origin()),
Source: "tracee",
},
},
Payload: e,
}
}
// Argument holds the information for one argument
type Argument struct {
ArgMeta
Value interface{} `json:"value"`
}
// ArgMeta describes an argument
type ArgMeta struct {
Name string `json:"name"`
Type string `json:"type"`
}
// UnmarshalJSON implements the json.Unmarshaler interface.
// All the values in this function should be supported in finding.go in the `getCType` function and vice versa.
func (arg *Argument) UnmarshalJSON(b []byte) error {
type argument Argument // alias Argument so we can unmarshal it within the unmarshaler implementation
d := json.NewDecoder(bytes.NewReader(b))
d.UseNumber()
if err := d.Decode((*argument)(arg)); err != nil {
return err
}
if arg.Value == nil {
return nil
}
if num, isNum := arg.Value.(json.Number); isNum {
if strings.HasSuffix(arg.Type, "*") {
tmp, err := strconv.ParseUint(num.String(), 10, 64)
if err != nil {
return err
}
arg.Value = uint64(tmp)
return nil
}
switch arg.Type {
case "int", "pid_t", "uid_t", "gid_t", "mqd_t", "clockid_t", "const clockid_t", "key_t", "key_serial_t", "timer_t", "landlock_rule_type":
tmp, err := strconv.ParseInt(num.String(), 10, 32)
if err != nil {
return err
}
arg.Value = int32(tmp)
case "long":
tmp, err := num.Int64()
if err != nil {
return err
}
arg.Value = tmp
case "unsigned int", "u32", "mode_t", "dev_t":
tmp, err := strconv.ParseUint(num.String(), 10, 32)
if err != nil {
return err
}
arg.Value = uint32(tmp)
case "unsigned long", "u64", "off_t", "size_t":
tmp, err := strconv.ParseUint(num.String(), 10, 64)
if err != nil {
return err
}
arg.Value = uint64(tmp)
case "float":
tmp, err := strconv.ParseFloat(num.String(), 32)
if err != nil {
return err
}
arg.Value = float32(tmp)
case "float64", "double":
tmp, err := num.Float64()
if err != nil {
return err
}
arg.Value = tmp
case "unsigned short", "old_uid_t", "old_gid_t", "umode_t", "u16", "uint16":
tmp, err := strconv.ParseUint(num.String(), 10, 16)
if err != nil {
return err
}
arg.Value = uint16(tmp)
case "int8":
tmp, err := strconv.ParseInt(num.String(), 10, 8)
if err != nil {
return err
}
arg.Value = int8(tmp)
case "u8", "uint8":
tmp, err := strconv.ParseUint(num.String(), 10, 8)
if err != nil {
return err
}
arg.Value = uint8(tmp)
default:
return fmt.Errorf("unrecognized argument type %s of argument %s", arg.Type, arg.Name)
}
}
var err error
switch arg.Type {
case "const char*const*", "const char**":
if arg.Value != nil {
argValue := arg.Value.([]interface{})
arg.Value = jsonConvertToStringSlice(argValue)
} else {
arg.Value = []string{}
}
case "trace.ProtoIPv4":
var argProtoIPv4 ProtoIPv4
if arg.Value != nil {
protoIPv4Map, ok := arg.Value.(map[string]interface{})
if !ok {
return fmt.Errorf("protocol IPv4: type error")
}
argProtoIPv4, err = jsonConvertToProtoIPv4Arg(protoIPv4Map)
if err != nil {
return err
}
}
arg.Value = argProtoIPv4
case "trace.ProtoIPv6":
var argProtoIPv6 ProtoIPv6
if arg.Value != nil {
protoIPv6Map, ok := arg.Value.(map[string]interface{})
if !ok {
return fmt.Errorf("protocol IPv6: type error")
}
argProtoIPv6, err = jsonConvertToProtoIPv6Arg(protoIPv6Map)
if err != nil {
return err
}
}
arg.Value = argProtoIPv6
case "trace.ProtoTCP":
var argProtoTCP ProtoTCP
if arg.Value != nil {
protoTCPMap, ok := arg.Value.(map[string]interface{})
if !ok {
return fmt.Errorf("protocol TCP: type error")
}
argProtoTCP, err = jsonConvertToProtoTCPArg(protoTCPMap)
if err != nil {
return err
}
}
arg.Value = argProtoTCP
case "trace.ProtoUDP":
var argProtoUDP ProtoUDP
if arg.Value != nil {
protoUDPMap, ok := arg.Value.(map[string]interface{})
if !ok {
return fmt.Errorf("protocol UDP: type error")
}
argProtoUDP, err = jsonConvertToProtoUDPArg(protoUDPMap)
if err != nil {
return err
}
}
arg.Value = argProtoUDP
case "trace.ProtoICMP":
var argProtoICMP ProtoICMP
if arg.Value != nil {
protoICMPMap, ok := arg.Value.(map[string]interface{})
if !ok {
return fmt.Errorf("protocol ICMP: type error")
}
argProtoICMP, err = jsonConvertToProtoICMPArg(protoICMPMap)
if err != nil {
return err
}
}
arg.Value = argProtoICMP
case "trace.ProtoICMPv6":
var argProtoICMPv6 ProtoICMPv6
if arg.Value != nil {
protoICMPv6Map, ok := arg.Value.(map[string]interface{})
if !ok {
return fmt.Errorf("protocol ICMPv6: type error")
}
argProtoICMPv6, err = jsonConvertToProtoICMPv6Arg(protoICMPv6Map)
if err != nil {
return err
}
}
arg.Value = argProtoICMPv6
case "trace.PktMeta":
var argPktMeta PktMeta
if arg.Value != nil {
argPktMetaMap, ok := arg.Value.(map[string]interface{})
if !ok {
return fmt.Errorf("PktMeta: type error")
}
argPktMeta, err = jsonConvertToPktMetaArg(argPktMetaMap)
if err != nil {
return err
}
}
arg.Value = argPktMeta
case "trace.ProtoDNS":
var argProtoDNS ProtoDNS
if arg.Value != nil {
argProtoDnsMap, ok := arg.Value.(map[string]interface{})
if !ok {
return fmt.Errorf("protocol DNS: type error")
}
argProtoDNS, err = jsonConvertToProtoDNSArg(argProtoDnsMap)
if err != nil {
return err
}
}
arg.Value = argProtoDNS
case "[]trace.DnsQueryData":
var dnsQuries []DnsQueryData
if arg.Value != nil {
argDnsQueryDataSlice, ok := arg.Value.([]interface{})
if !ok {
return fmt.Errorf("protocol Dns Query Data: type error")
}
for _, dnsQueryDataElem := range argDnsQueryDataSlice {
argDnsQueryDataMap, ok := dnsQueryDataElem.(map[string]interface{})
if !ok {
return fmt.Errorf("protocol Dns Query Data: type error")
}
dnsQuery, err := jsonConvertToDnsQuertDataType(argDnsQueryDataMap)
if err != nil {
return err
}
dnsQuries = append(dnsQuries, dnsQuery)
}
}
arg.Value = dnsQuries
case "[]trace.DnsResponseData":
var dnsResponses []DnsResponseData
if arg.Value != nil {
argDnsResponseDataSlice, ok := arg.Value.([]interface{})
if !ok {
return fmt.Errorf("protocol Dns Response Data: type error")
}
for _, dnsResponseDataElem := range argDnsResponseDataSlice {
dnsResponseDataMap, ok := dnsResponseDataElem.(map[string]interface{})
if !ok {
return fmt.Errorf("protocol Dns Response Data: type error")
}
dnsResponseData, err := jsonConvertToDnsResponseDataType(dnsResponseDataMap)
if err != nil {
return err
}
dnsResponses = append(dnsResponses, dnsResponseData)
}
}
arg.Value = dnsResponses
case "trace.ProtoHTTP":
var argProtoHTTP ProtoHTTP
if arg.Value != nil {
argProtoHTTPMap, ok := arg.Value.(map[string]interface{})
if !ok {
return fmt.Errorf("protocol HTTP: type error")
}
argProtoHTTP, err = jsonConvertToProtoHTTPArg(argProtoHTTPMap)
if err != nil {
return err
}
}
arg.Value = argProtoHTTP
case "trace.ProtoHTTPRequest":
var argProtoHTTPRequest ProtoHTTPRequest
if arg.Value != nil {
argProtoHTTPRequestMap, ok := arg.Value.(map[string]interface{})
if !ok {
return fmt.Errorf("protocol HTTP Request: type error")
}
argProtoHTTPRequest, err = jsonConvertToProtoHTTPRequestArg(argProtoHTTPRequestMap)
if err != nil {
return err
}
}
arg.Value = argProtoHTTPRequest
case "trace.ProtoHTTPResponse":
var argProtoHTTPResponse ProtoHTTPResponse
if arg.Value != nil {
argProtoHTTPResponseMap, ok := arg.Value.(map[string]interface{})
if !ok {
return fmt.Errorf("protocol HTTP Response: type error")
}
argProtoHTTPResponse, err = jsonConvertToProtoHTTPResponseArg(argProtoHTTPResponseMap)
if err != nil {
return err
}
}
arg.Value = argProtoHTTPResponse
case "trace.PacketMetadata":
var argPacketMetadata PacketMetadata
if arg.Value != nil {
argPacketMetadataMap, ok := arg.Value.(map[string]interface{})
if !ok {
return fmt.Errorf("packet metadata: type error")
}
if err != nil {
return err
}
argPacketMetadata, err = jsonConvertToPacketMetadata(argPacketMetadataMap)
if err != nil {
return err
}
}
arg.Value = argPacketMetadata
}
return nil
}
func jsonConvertToProtoIPv4Arg(argMap map[string]interface{}) (ProtoIPv4, error) {
// string conversion
stringTypes := map[string]string{
"protocol": "",
"srcIP": "",
"dstIP": "",
}
stringTypes, err := jsonConvertToStringTypes(argMap, stringTypes)
if err != nil {
return ProtoIPv4{}, err
}
// uint8 conversion
uint8Types := map[string]uint8{
"version": 0,
"IHL": 0,
"TOS": 0,
"flags": 0,
"TTL": 0,
}
uint8Types, err = jsonConvertToUint8Types(argMap, uint8Types)
if err != nil {
return ProtoIPv4{}, err
}
// uint16 conversion
uint16Types := map[string]uint16{
"length": 0,
"id": 0,
"fragOffset": 0,
"checksum": 0,
}
uint16Types, err = jsonConvertToUint16Types(argMap, uint16Types)
if err != nil {
return ProtoIPv4{}, err
}
return ProtoIPv4{
Version: uint8Types["version"],
IHL: uint8Types["IHL"],
TOS: uint8Types["TOS"],
Length: uint16Types["length"],
Id: uint16Types["id"],
Flags: uint8Types["flags"],
FragOffset: uint16Types["fragOffset"],
TTL: uint8Types["TTL"],
Protocol: stringTypes["protocol"],
Checksum: uint16Types["checksum"],
SrcIP: stringTypes["srcIP"],
DstIP: stringTypes["dstIP"],
}, nil
}
func jsonConvertToProtoIPv6Arg(argMap map[string]interface{}) (ProtoIPv6, error) {
stringTypes := map[string]string{
"nextHeader": "",
"srcIP": "",
"dstIP": "",
}
stringTypes, err := jsonConvertToStringTypes(argMap, stringTypes)
if err != nil {
return ProtoIPv6{}, err
}
// uint8 conversion
uint8Types := map[string]uint8{
"version": 0,
"trafficClass": 0,
"hopLimit": 0,
}
uint8Types, err = jsonConvertToUint8Types(argMap, uint8Types)
if err != nil {
return ProtoIPv6{}, err
}
// uint16 conversion
uint16Types := map[string]uint16{
"length": 0,
}
uint16Types, err = jsonConvertToUint16Types(argMap, uint16Types)
if err != nil {
return ProtoIPv6{}, err
}
// uint32 conversion
uint32Types := map[string]uint32{
"flowLabel": 0,
}
uint32Types, err = jsonConvertToUint32Types(argMap, uint32Types)
if err != nil {
return ProtoIPv6{}, err
}
return ProtoIPv6{
Version: uint8Types["version"],
TrafficClass: uint8Types["trafficClass"],
FlowLabel: uint32Types["flowLabel"],
Length: uint16Types["length"],
NextHeader: stringTypes["nextHeader"],
HopLimit: uint8Types["hopLimit"],
SrcIP: stringTypes["srcIP"],
DstIP: stringTypes["dstIP"],
}, nil
}
func jsonConvertToProtoTCPArg(argMap map[string]interface{}) (ProtoTCP, error) {
// uint8 conversion
uint8Types := map[string]uint8{
"dataOffset": 0,
"FIN": 0,
"SYN": 0,
"RST": 0,
"PSH": 0,
"ACK": 0,
"URG": 0,
"ECE": 0,
"CWR": 0,
"NS": 0,
}
uint8Types, err := jsonConvertToUint8Types(argMap, uint8Types)
if err != nil {
return ProtoTCP{}, err
}
// uint16 conversion
uint16Types := map[string]uint16{
"srcPort": 0,
"dstPort": 0,
"window": 0,
"checksum": 0,
"urgent": 0,
}
uint16Types, err = jsonConvertToUint16Types(argMap, uint16Types)
if err != nil {
return ProtoTCP{}, err
}
// uint32 conversion
uint32Types := map[string]uint32{
"seq": 0,
"ack": 0,
}
uint32Types, err = jsonConvertToUint32Types(argMap, uint32Types)
if err != nil {
return ProtoTCP{}, err
}
return ProtoTCP{
SrcPort: uint16Types["srcPort"],
DstPort: uint16Types["dstPort"],
Seq: uint32Types["seq"],
Ack: uint32Types["ack"],
DataOffset: uint8Types["dataOffset"],
FIN: uint8Types["FIN"],
SYN: uint8Types["SYN"],
RST: uint8Types["RST"],
PSH: uint8Types["PSH"],
ACK: uint8Types["ACK"],
URG: uint8Types["URG"],
ECE: uint8Types["ECE"],
CWR: uint8Types["CWR"],
NS: uint8Types["NS"],
Window: uint16Types["window"],
Checksum: uint16Types["checksum"],
Urgent: uint16Types["urgent"],
}, nil
}
func jsonConvertToProtoUDPArg(argMap map[string]interface{}) (ProtoUDP, error) {
// uint16 conversion
uint16Types := map[string]uint16{
"srcPort": 0,
"dstPort": 0,
"length": 0,
"checksum": 0,
}
uint16Types, err := jsonConvertToUint16Types(argMap, uint16Types)
if err != nil {
return ProtoUDP{}, err
}
return ProtoUDP{
SrcPort: uint16Types["srcPort"],
DstPort: uint16Types["dstPort"],
Length: uint16Types["length"],
Checksum: uint16Types["checksum"],
}, nil
}
func jsonConvertToProtoICMPArg(argMap map[string]interface{}) (ProtoICMP, error) {
// string conversion
stringTypes := map[string]string{
"typeCode": "",
}
stringTypes, err := jsonConvertToStringTypes(argMap, stringTypes)
if err != nil {
return ProtoICMP{}, err
}
// uint16 conversion
uint16Types := map[string]uint16{
"checksum": 0,
"id": 0,
"seq": 0,
}
uint16Types, err = jsonConvertToUint16Types(argMap, uint16Types)
if err != nil {
return ProtoICMP{}, err
}
return ProtoICMP{
TypeCode: stringTypes["typeCode"],
Checksum: uint16Types["checksum"],
Id: uint16Types["id"],
Seq: uint16Types["seq"],
}, nil
}
func jsonConvertToProtoICMPv6Arg(argMap map[string]interface{}) (ProtoICMPv6, error) {
// string conversion
stringTypes := map[string]string{
"typeCode": "",
}
stringTypes, err := jsonConvertToStringTypes(argMap, stringTypes)
if err != nil {
return ProtoICMPv6{}, err
}
// uint16 conversion
uint16Types := map[string]uint16{
"checksum": 0,
}
uint16Types, err = jsonConvertToUint16Types(argMap, uint16Types)
if err != nil {
return ProtoICMPv6{}, err
}
return ProtoICMPv6{
TypeCode: stringTypes["typeCode"],
Checksum: uint16Types["checksum"],
}, nil
}
func jsonConvertToProtoDNSArg(argMap map[string]interface{}) (ProtoDNS, error) {
// uint8 conversion
uint8Types := map[string]uint8{
"QR": 0,
"AA": 0,
"TC": 0,
"RD": 0,
"RA": 0,
"Z": 0,
}
uint8Types, err := jsonConvertToUint8Types(argMap, uint8Types)
if err != nil {
return ProtoDNS{}, err
}
// uint16 conversion
uint16Types := map[string]uint16{
"ID": 0,
"QDCount": 0,
"ANCount": 0,
"NSCount": 0,
"ARCount": 0,
}
uint16Types, err = jsonConvertToUint16Types(argMap, uint16Types)
if err != nil {
return ProtoDNS{}, err
}
// string conversion
stringTypes := map[string]string{
"opCode": "",
"responseCode": "",
}
stringTypes, err = jsonConvertToStringTypes(argMap, stringTypes)
if err != nil {
return ProtoDNS{}, err
}
// questions conversion
questions, exists := argMap["questions"]
if !exists {
return ProtoDNS{}, fmt.Errorf("questions not found in ProtoDNS arg")
}
var dnsQuestions []ProtoDNSQuestion
if questions != nil {
questionsSlice, ok := questions.([]interface{})
if !ok {
return ProtoDNS{}, fmt.Errorf("questions from ProtoDNS: type error")
}
for _, questionsElem := range questionsSlice {
questionsElemMap, ok := questionsElem.(map[string]interface{})
if !ok {
return ProtoDNS{}, fmt.Errorf("questions from ProtoDNS: type error")
}
question, err := jsonConvertToProtoDNSQuestionType(questionsElemMap)
if err != nil {
return ProtoDNS{}, err
}
dnsQuestions = append(dnsQuestions, question)
}
}
// answers conversion
answers, exists := argMap["answers"]
if !exists {
return ProtoDNS{}, fmt.Errorf("answers not found in ProtoDNS arg")
}
var dnsAnswers []ProtoDNSResourceRecord
if answers != nil {
answersSlice, ok := answers.([]interface{})
if !ok {
return ProtoDNS{}, fmt.Errorf("answers from ProtoDNS: type error")
}
for _, answersElem := range answersSlice {
answersElemMap, ok := answersElem.(map[string]interface{})
if !ok {
return ProtoDNS{}, fmt.Errorf("answers from ProtoDNS: type error")
}
answer, err := jsonConvertToProtoDNSResourceRecordType(answersElemMap)
if err != nil {
return ProtoDNS{}, err
}
dnsAnswers = append(dnsAnswers, answer)
}
}
// authorities conversion
authorities, exists := argMap["authorities"]
if !exists {
return ProtoDNS{}, fmt.Errorf("authorities not found in ProtoDNS arg")
}
var dnsAuthorities []ProtoDNSResourceRecord
if authorities != nil {
authoritiesSlice, ok := authorities.([]interface{})
if !ok {
return ProtoDNS{}, fmt.Errorf("authorities from ProtoDNS: type error")
}
for _, authoritiesElem := range authoritiesSlice {
authoritiesElemMap, ok := authoritiesElem.(map[string]interface{})
if !ok {
return ProtoDNS{}, fmt.Errorf("authorities from ProtoDNS: type error")
}
authority, err := jsonConvertToProtoDNSResourceRecordType(authoritiesElemMap)
if err != nil {
return ProtoDNS{}, err
}
dnsAuthorities = append(dnsAuthorities, authority)
}
}
// additionals conversion
additionals, exists := argMap["additionals"]
if !exists {
return ProtoDNS{}, fmt.Errorf("additionals not found in ProtoDNS arg")
}
var dnsAdditionals []ProtoDNSResourceRecord
if additionals != nil {
additionalsSlice, ok := additionals.([]interface{})
if !ok {
return ProtoDNS{}, fmt.Errorf("additionals from ProtoDNS: type error")
}
for _, additionalsElem := range additionalsSlice {
additionalsElemMap, ok := additionalsElem.(map[string]interface{})
if !ok {
return ProtoDNS{}, fmt.Errorf("additionals from ProtoDNS: type error")
}
additional, err := jsonConvertToProtoDNSResourceRecordType(additionalsElemMap)
if err != nil {
return ProtoDNS{}, err
}
dnsAdditionals = append(dnsAdditionals, additional)
}
}
return ProtoDNS{
ID: uint16Types["ID"],
QR: uint8Types["QR"],
OpCode: stringTypes["opCode"],
AA: uint8Types["AA"],
TC: uint8Types["TC"],
RD: uint8Types["RD"],
RA: uint8Types["RA"],
Z: uint8Types["Z"],
ResponseCode: stringTypes["responseCode"],
QDCount: uint16Types["QDCount"],
ANCount: uint16Types["ANCount"],
NSCount: uint16Types["NSCount"],
ARCount: uint16Types["ARCount"],
Questions: dnsQuestions,
Answers: dnsAnswers,
Authorities: dnsAuthorities,
Additionals: dnsAdditionals,
}, nil
}
func jsonConvertToProtoDNSQuestionType(argMap map[string]interface{}) (ProtoDNSQuestion, error) {
// string conversion
stringTypes := map[string]string{
"name": "",
"type": "",
"class": "",
}
stringTypes, err := jsonConvertToStringTypes(argMap, stringTypes)
if err != nil {
return ProtoDNSQuestion{}, err
}
return ProtoDNSQuestion{
Name: stringTypes["name"],
Type: stringTypes["type"],
Class: stringTypes["class"],
}, nil
}
func jsonConvertToProtoDNSResourceRecordType(argMap map[string]interface{}) (ProtoDNSResourceRecord, error) {
// string conversion
stringTypes := map[string]string{
"name": "",
"type": "",
"class": "",
"IP": "",
"NS": "",
"CNAME": "",
"PTR": "",
"TXT": "",
}
stringTypes, err := jsonConvertToStringTypes(argMap, stringTypes)
if err != nil {
return ProtoDNSResourceRecord{}, err
}
// uint32 conversion
uint32Types := map[string]uint32{
"TTL": 0,
}
uint32Types, err = jsonConvertToUint32Types(argMap, uint32Types)
if err != nil {
return ProtoDNSResourceRecord{}, err
}
// []string conversion
txts, exists := argMap["TXTs"]
if !exists {
return ProtoDNSResourceRecord{}, fmt.Errorf("TXTs not found in ProtoDNSResourceRecord arg")
}
var txtsValue []string
if txts != nil {
txtsInterfaceSlice, ok := txts.([]interface{})
if !ok {
return ProtoDNSResourceRecord{}, fmt.Errorf("TXTs from ProtoDNSResourceRecord: type error")
}
txtsValue = jsonConvertToStringSlice(txtsInterfaceSlice)
if err != nil {
return ProtoDNSResourceRecord{}, err
}
}
// SOA conversion
soa, exists := argMap["SOA"]
if !exists {
return ProtoDNSResourceRecord{}, fmt.Errorf("SOA not found in ProtoDNSResourceRecord arg")
}
var protoDNSSOA ProtoDNSSOA
if soa != nil {
soaMap, ok := soa.(map[string]interface{})
if !ok {
return ProtoDNSResourceRecord{}, fmt.Errorf("SOA from ProtoDNSResourceRecord: type error")
}
protoDNSSOA, err = jsonConvertToProtoDNSSOAType(soaMap)
if err != nil {
return ProtoDNSResourceRecord{}, err
}
}
// SRV conversion
srv, exists := argMap["SRV"]
if !exists {
return ProtoDNSResourceRecord{}, fmt.Errorf("SRV not found in ProtoDNSResourceRecord arg")
}
var protoDNSSRV ProtoDNSSRV
if srv != nil {
srvMap, ok := srv.(map[string]interface{})
if !ok {
return ProtoDNSResourceRecord{}, fmt.Errorf("SRV from ProtoDNSResourceRecord: type error")
}
protoDNSSRV, err = jsonConvertToProtoDNSSRVType(srvMap)
if err != nil {
return ProtoDNSResourceRecord{}, err
}
}
// MX conversion
mx, exists := argMap["MX"]
if !exists {
return ProtoDNSResourceRecord{}, fmt.Errorf("MX not found in ProtoDNSResourceRecord arg")
}
var protoDNSMX ProtoDNSMX
if mx != nil {
mxMap, ok := mx.(map[string]interface{})
if !ok {
return ProtoDNSResourceRecord{}, fmt.Errorf("MX from ProtoDNSResourceRecord: type error")
}
protoDNSMX, err = jsonConvertToProtoDNSMXType(mxMap)
if err != nil {
return ProtoDNSResourceRecord{}, err
}
}
// OPT conversion
opt, exists := argMap["OPT"]
if !exists {
return ProtoDNSResourceRecord{}, fmt.Errorf("OPT not found in ProtoDNSResourceRecord arg")
}
var dnsOpts []ProtoDNSOPT
if opt != nil {