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logtype.go
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logtype.go
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package main
import (
"fmt"
"os"
"strings"
wails "github.com/wailsapp/wails/v2/pkg/runtime"
"gopkg.in/yaml.v2"
)
var extractorTypes = make(map[string]ExtractorType)
var fieldTypes = make(map[string]FieldType)
func makeDefalutLogTypes() {
OutLog("makeDefalutLogTypes")
extractorTypes = make(map[string]ExtractorType)
fieldTypes = make(map[string]FieldType)
for k, v := range defalutExtractorTypes {
v.Key = k
extractorTypes[k] = v
}
for k, v := range defalutFieldTypes {
v.Key = k
fieldTypes[k] = v
}
}
// ExtractorType : ログからデータを取得するパターン定義
type ExtractorType struct {
Key string
Name string
Grok string
TimeField string
IPFields string
MACFields string
View string
CanEdit bool
}
var defalutExtractorTypes = map[string]ExtractorType{
"syslog": {
Name: "syslog(BSD)",
TimeField: "timestamp",
Grok: `%{SYSLOGBASE} %{GREEDYDATA:message}`,
View: "syslog",
},
"syslogBSD_NOPID": {
Name: "syslog(BSD)",
TimeField: "timestamp",
Grok: `%{SYSLOGTIMESTAMP:timestamp}\s+%{SYSLOGHOST:logsource}\s+%{NOTSPACE:tag}:\s+%{GREEDYDATA:message}`,
View: "syslog",
},
"syslogBSD_PRI": {
Name: "syslog(BSD with PRI)",
TimeField: "timestamp",
Grok: `%{SYSLOGTIMESTAMP:timestamp} %{SYSLOGHOST:logsource}\s+%{NOTSPACE:facility_str}\.%{NOTSPACE:severity_str}\s+%{SYSLOGPROG}:\s+%{GREEDYDATA:message}`,
View: "syslog",
},
"syslogIETF": {
Name: "syslog(IETF)",
TimeField: "timestamp",
Grok: `%{TIMESTAMP_ISO8601:timestamp}\s+(?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource}\s+%{NOTSPACE:tag}:\s+%{GREEDYDATA:message}`,
View: "syslog",
},
"apacheCommon": {
Name: "Apache(Common)",
TimeField: "timestamp",
Grok: `%{COMMONAPACHELOG}`,
IPFields: "clientip",
View: "access",
},
"apacheConbined": {
Name: "Apache(Conbined)",
TimeField: "timestamp",
Grok: `%{COMBINEDAPACHELOG}`,
IPFields: "clientip",
View: "access",
},
"SSHLOGIN": {
Name: "SSH Login",
Grok: `%{NOTSPACE:stat} (password|publickey) for( invalid user | )%{USER:user} from %{IP:clientip}`,
IPFields: "clientip",
},
}
type FieldType struct {
Key string
Name string
Type string // number,string,latlong,time
Unit string
Mul float64
CanEdit bool
}
var defalutFieldTypes = map[string]FieldType{
"_all": {Name: "ALL", Type: "_all"},
"httpversion": {Name: "HTTP Version", Type: "string"},
"ident": {Name: "User ID", Type: "string"},
"request": {Name: "Path", Type: "string"},
"response": {Name: "Resp Code", Type: "number"},
"agent": {Name: "User Agent", Type: "string"},
"bytes": {Name: "Size", Type: "number"},
"timestamp": {Name: "Time stamp", Type: "timestamp"},
"rawrequest": {Name: "Raw request", Type: "string"},
"referrer": {Name: "Referrer", Type: "string"},
"time": {Name: "Time", Type: "_time"},
"verb": {Name: "Verb", Type: "string"},
"_id": {Name: "ID", Type: "_id"},
"auth": {Name: "Auth", Type: "string"},
"clientip": {Name: "Client IP", Type: "string"},
"clientip_geo": {Name: "Client Geo", Type: "geo"},
"clientip_geo_city": {Name: "Client City", Type: "string"},
"clientip_geo_country": {Name: "Client Country", Type: "string"},
"clientip_geo_latlong": {Name: "Client LatLong", Type: "latlong"},
"clientip_host": {Name: "Client Host", Type: "string"},
"logsource": {Name: "Log Src", Type: "string"},
"priority": {Name: "Priority", Type: "number"},
"severity": {Name: "Severity", Type: "number"},
"facility": {Name: "Facility", Type: "number"},
"message": {Name: "Message", Type: "string"},
"pid": {Name: "PID", Type: "number"},
"program": {Name: "Process", Type: "string"},
"delta": {Name: "Delta", Type: "number"},
"facility_str": {Name: "Facility Name", Type: "string"},
"severity_str": {Name: "Severity Name", Type: "string"},
"client": {Name: "Client", Type: "string"},
"client_geo": {Name: "Client Geo", Type: "geo"},
"client_geo_city": {Name: "Client City", Type: "string"},
"client_geo_country": {Name: "Client Country", Type: "string"},
"client_host": {Name: "Client Host", Type: "string"},
"client_geo_latlong": {Name: "Client LatLong", Type: "latlong"},
"server": {Name: "Server IP", Type: "string"},
"server_geo": {Name: "Server Geo", Type: "geo"},
"server_geo_city": {Name: "Server City", Type: "string"},
"server_geo_country": {Name: "Server Country", Type: "string"},
"server_host": {Name: "Server Host", Type: "string"},
"server_geo_latlong": {Name: "Server LatLong", Type: "latlong"},
"user": {Name: "User", Type: "string"},
"uri": {Name: "URI", Type: "string"},
"email": {Name: "EMail", Type: "string"},
"uuid": {Name: "UUID", Type: "string"},
"tag": {Name: "TAG", Type: "string"},
"load1m": {Name: "Load 1min", Type: "number"},
"load5m": {Name: "Load 5min", Type: "number"},
"load15m": {Name: "Load 15min", Type: "number"},
"_None": {Name: "None", Type: "string"},
"winEventID": {Name: "Event ID", Type: "number"},
"winEventRecordID": {Name: "Record ID", Type: "number"},
"winChannel": {Name: "Channel", Type: "number"},
"winProvider": {Name: "Provider", Type: "number"},
"winLevel": {Name: "Level", Type: "number"},
"winUserID": {Name: "User ID", Type: "number"},
"winComputer": {Name: "Computer", Type: "string"},
"score": {Name: "Score", Type: "number"},
"anomalyScore": {Name: "Anomaly Score", Type: "number"},
"host": {Name: "Host", Type: "string"},
"hostname": {Name: "Host Name", Type: "string"},
"level": {Name: "Level", Type: "string"},
}
func (b *App) setFieldTypes(l *LogEnt) {
for f, i := range l.KeyValue {
switch i.(type) {
case string:
b.setFieldType(f, "string")
case float64:
b.setFieldType(f, "number")
case *GeoEnt:
b.setFieldType(f, "geo")
b.setFieldType(f+"_country", "string")
b.setFieldType(f+"_city", "string")
b.setFieldType(f+"_latlong", "latlong")
}
}
}
func (b *App) setFieldType(f, t string) {
if _, ok := fieldTypes[f]; !ok {
fieldTypes[f] = FieldType{
Name: f + "(Auto)",
Type: t,
}
}
}
// GetExtractorTypes : 定義済みのログタイプのリスト情報を提供する
func (b *App) GetExtractorTypes() map[string]ExtractorType {
OutLog("GetExtractorTypes")
return extractorTypes
}
// SaveExtractorType : 抽出パターンを保存する
func (b *App) SaveExtractorType(et ExtractorType) string {
if oldet, ok := extractorTypes[et.Key]; ok && !oldet.CanEdit {
return "Can not add"
}
extractorTypes[et.Key] = et
return ""
}
// DeleteExtractorType : 抽出パターンを削除する
func (b *App) DeleteExtractorType(key, title, message string) string {
if et, ok := extractorTypes[key]; ok && !et.CanEdit {
return "Can not Detele"
}
result, err := wails.MessageDialog(b.ctx, wails.MessageDialogOptions{
Type: wails.QuestionDialog,
Title: title,
Message: message,
Buttons: []string{"Yes", "No"},
DefaultButton: "No",
CancelButton: "No",
})
if err != nil || result == "No" {
return ""
}
delete(extractorTypes, key)
return ""
}
// GetFieldTypes : 定義済みのログタイプのリスト情報を提供する
func (b *App) GetFieldTypes() map[string]FieldType {
OutLog("GetFieldTypes")
return fieldTypes
}
// SaveFieldType : フィールドタイプを削除する
func (b *App) SaveFieldType(ft FieldType) string {
if oldft, ok := fieldTypes[ft.Key]; ok && !oldft.CanEdit {
return "Can not add field type"
}
fieldTypes[ft.Key] = ft
return ""
}
// DeleteFieldType : フィールドタイプを削除する
func (b *App) DeleteFieldType(key, title, message string) string {
if ft, ok := fieldTypes[key]; ok && !ft.CanEdit {
return "Can not delete"
}
result, err := wails.MessageDialog(b.ctx, wails.MessageDialogOptions{
Type: wails.QuestionDialog,
Title: title,
Message: message,
Buttons: []string{"Yes", "No"},
DefaultButton: "No",
CancelButton: "No",
})
if err != nil || result == "No" {
return ""
}
delete(fieldTypes, key)
return ""
}
type exportLogType struct {
ExtractorTypes []ExtractorType
FieldTypes []FieldType
}
func (b *App) ExportLogTypes() string {
file, err := wails.SaveFileDialog(b.ctx, wails.SaveDialogOptions{
DefaultFilename: "logtypes.yaml",
CanCreateDirectories: false,
Filters: []wails.FileFilter{{
DisplayName: "Log type yaml",
Pattern: "*.yaml",
}},
})
if file == "" {
return ""
}
if err != nil {
OutLog("ExportLogTypes err=%v", err)
return fmt.Sprintf("Can not export err=%v", err)
}
export := exportLogType{}
for _, et := range extractorTypes {
if et.CanEdit {
export.ExtractorTypes = append(export.ExtractorTypes, et)
}
}
for k, e := range fieldTypes {
if e.CanEdit {
e.Key = k
export.FieldTypes = append(export.FieldTypes, e)
}
}
d, err := yaml.Marshal(&export)
if err != nil {
return fmt.Sprintf("Can not export err=%v", err)
}
err = os.WriteFile(file, d, 0660)
if err != nil {
return fmt.Sprintf("Can not export err=%v", err)
}
return ""
}
func (b *App) getIPFields() string {
m := make(map[string]bool)
u := []string{}
for _, ip := range b.processConf.HostFields {
if !m[ip] {
m[ip] = true
u = append(u, ip)
}
}
for _, ip := range b.processConf.GeoFields {
if !m[ip] {
m[ip] = true
u = append(u, ip)
}
}
return strings.Join(u, ",")
}
// ImportLogTypes : ログタイプ定義のインポート
func (b *App) ImportLogTypes() string {
file, err := wails.OpenFileDialog(b.ctx, wails.OpenDialogOptions{
DefaultFilename: "logtypes.yaml",
Filters: []wails.FileFilter{{
DisplayName: "Log type yaml",
Pattern: "*.yaml",
}},
})
if file == "" {
return ""
}
if err != nil {
OutLog("importLogTypes err=%v", err)
return err.Error()
}
d, err := os.ReadFile(file)
if err != nil {
OutLog("importLogTypes file=%v err=%v", file, err)
return err.Error()
}
export := new(exportLogType)
err = yaml.Unmarshal(d, &export)
if err != nil {
OutLog("importLogTypes err=%v", err)
return err.Error()
}
etKeyMap := make(map[string]*ExtractorType)
for _, et := range extractorTypes {
etKeyMap[et.Key] = &et
}
for _, iet := range export.ExtractorTypes {
if et, ok := etKeyMap[iet.Key]; ok && !et.CanEdit {
return "duplicate name=" + iet.Name
}
}
for _, iet := range export.ExtractorTypes {
if et, ok := etKeyMap[iet.Key]; ok {
et.Name = iet.Name
et.Grok = iet.Grok
et.TimeField = iet.TimeField
et.IPFields = iet.IPFields
et.MACFields = iet.MACFields
} else {
iet.CanEdit = true
extractorTypes[iet.Key] = iet
}
}
for _, e := range export.FieldTypes {
if ft, ok := fieldTypes[e.Key]; !ok || ft.CanEdit {
fieldTypes[e.Key] = e
}
}
return ""
}