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Added hunt_update() VQL function to allow stopping/starting hunt (Vel…
…ocidex#2587) Also added relaunch to hunt_add() to more easily relaunch the hunt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| package hunts | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/Velocidex/ordereddict" | ||
| "www.velocidex.com/golang/velociraptor/acls" | ||
| api_proto "www.velocidex.com/golang/velociraptor/api/proto" | ||
| "www.velocidex.com/golang/velociraptor/services" | ||
| vql_subsystem "www.velocidex.com/golang/velociraptor/vql" | ||
| "www.velocidex.com/golang/vfilter" | ||
| "www.velocidex.com/golang/vfilter/arg_parser" | ||
| ) | ||
|
|
||
| type UpdateHuntFunctionArg struct { | ||
| HuntId string `vfilter:"required,field=hunt_id,doc=The hunt to update"` | ||
| Stop bool `vfilter:"optional,field=stop,doc=Stop the hunt"` | ||
| Start bool `vfilter:"optional,field=start,doc=Start the hunt"` | ||
| Description string `vfilter:"optional,field=description,doc=Update hunt description"` | ||
| } | ||
|
|
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| type UpdateHuntFunction struct{} | ||
|
|
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| func (self *UpdateHuntFunction) Call(ctx context.Context, | ||
| scope vfilter.Scope, | ||
| args *ordereddict.Dict) vfilter.Any { | ||
|
|
||
| err := vql_subsystem.CheckAccess(scope, acls.START_HUNT) | ||
| if err != nil { | ||
| scope.Log("hunt_update: %v", err) | ||
| return vfilter.Null{} | ||
| } | ||
|
|
||
| arg := &UpdateHuntFunctionArg{} | ||
| err = arg_parser.ExtractArgsWithContext(ctx, scope, args, arg) | ||
| if err != nil { | ||
| scope.Log("hunt_update: %v", err) | ||
| return vfilter.Null{} | ||
| } | ||
|
|
||
| config_obj, ok := vql_subsystem.GetServerConfig(scope) | ||
| if !ok { | ||
| scope.Log("hunt_update: GetServerConfig not found") | ||
| return vfilter.Null{} | ||
| } | ||
|
|
||
| hunt_dispatcher, err := services.GetHuntDispatcher(config_obj) | ||
| if err != nil { | ||
| scope.Log("hunt_update: %v", err) | ||
| return vfilter.Null{} | ||
| } | ||
|
|
||
| if arg.Start || arg.Stop { | ||
| state := api_proto.Hunt_STOPPED | ||
| if arg.Start { | ||
| state = api_proto.Hunt_RUNNING | ||
| } | ||
|
|
||
| err = hunt_dispatcher.MutateHunt( | ||
| ctx, config_obj, &api_proto.HuntMutation{ | ||
| HuntId: arg.HuntId, | ||
| State: state, | ||
| }) | ||
| if err != nil { | ||
| scope.Log("hunt_update: %v", err) | ||
| return vfilter.Null{} | ||
| } | ||
| } | ||
|
|
||
| if arg.Description != "" { | ||
| err = hunt_dispatcher.MutateHunt( | ||
| ctx, config_obj, &api_proto.HuntMutation{ | ||
| HuntId: arg.HuntId, | ||
| Description: arg.Description, | ||
| }) | ||
| if err != nil { | ||
| scope.Log("hunt_update: %v", err) | ||
| return vfilter.Null{} | ||
| } | ||
| } | ||
|
|
||
| return arg.HuntId | ||
| } | ||
|
|
||
| func (self UpdateHuntFunction) Info(scope vfilter.Scope, type_map *vfilter.TypeMap) *vfilter.FunctionInfo { | ||
| return &vfilter.FunctionInfo{ | ||
| Name: "hunt_update", | ||
| Doc: "Update a hunt.", | ||
| ArgType: type_map.AddType(scope, &UpdateHuntFunctionArg{}), | ||
| } | ||
| } | ||
|
|
||
| func init() { | ||
| vql_subsystem.RegisterFunction(&UpdateHuntFunction{}) | ||
| } |