add chmod

cmd/speedrun/cli/file.go

@@ -3,8 +3,10 @@ package cli
 import (
 	"context"
 	"crypto/tls"
+	"errors"
 	"net"
 	"os"
+	"strconv"
 	"strings"
 	"time"
 
@@ -34,15 +36,24 @@ var readCmd = &cobra.Command{
 var cpCmd = &cobra.Command{
 	Use:     "cp <src> <dst>",
 	Short:   "Copy a file",
-	Example: "  speedrun file cp myfile /tmp/myfile",
+	Example: "  speedrun file cp myfile :/tmp/myfile\n  speedrun file cp :/tmp/myfile myfile\n  speedrun file cp :/tmp/myfile :/tmp/mynewfile",
-	Args:    cobra.MinimumNArgs(1),
+	Args:    cobra.MinimumNArgs(2),
 	RunE:    cp,
 }
 
+var chmodCmd = &cobra.Command{
+	Use:     "chmod <path> <filemode>",
+	Short:   "Chmod a file",
+	Example: "  speedrun file chmod /tmp/myfile 0644",
+	Args:    cobra.MinimumNArgs(2),
+	RunE:    chmod,
+}
+
 func init() {
 	fileCmd.SetUsageTemplate(usage)
 	fileCmd.AddCommand(readCmd)
 	fileCmd.AddCommand(cpCmd)
+	fileCmd.AddCommand(chmodCmd)
 }
 
 func read(cmd *cobra.Command, args []string) error {
@@ -118,6 +129,10 @@ func cp(cmd *cobra.Command, args []string) error {
 	remoteSrc := strings.HasPrefix(args[0], ":")
 	remoteDst := strings.HasPrefix(args[1], ":")
 
+	if !remoteDst && !remoteSrc {
+		return errors.New("src and dst cannot be both local to your machine")
+	}
+
 	var content []byte
 	if !remoteSrc {
 		content, err = os.ReadFile(args[0])
@@ -155,14 +170,12 @@ func cp(cmd *cobra.Command, args []string) error {
 			ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
 			defer cancel()
 
-			var r *portalpb.FileCpResponse
+			r, err := c.FileCp(ctx, &portalpb.FileCpRequest{Src: strings.TrimPrefix(args[0], ":"), Dst: strings.TrimPrefix(args[1], ":"), Content: content, RemoteSrc: remoteSrc, RemoteDst: remoteDst})
-
-			r, err = c.FileCp(ctx, &portalpb.FileCpRequest{Src: strings.TrimPrefix(args[0], ":"), Dst: strings.TrimPrefix(args[1], ":"), Content: content, RemoteSrc: remoteSrc, RemoteDst: remoteDst})
 			if err != nil {
 				log.Error(err.Error())
 				return
 			}
-			if len(r.GetContent()) > 0 {
+			if !remoteDst {
 				err := os.WriteFile(args[1], r.GetContent(), 0644)
 				if err != nil {
 					log.Error(err.Error())
@@ -176,3 +189,63 @@ func cp(cmd *cobra.Command, args []string) error {
 	pool.StopAndWait()
 	return nil
 }
+
+func chmod(cmd *cobra.Command, args []string) error {
+	usePrivateIP := viper.GetBool("portal.use-private-ip")
+
+	tlsConfig, err := cloud.SetupTLS()
+	if err != nil {
+		return err
+	}
+
+	target, err := cmd.Flags().GetString("target")
+	if err != nil {
+		return err
+	}
+
+	filemode, err := strconv.Atoi(args[1])
+	if err != nil {
+		return err
+	}
+
+	portals, err := cloud.GetInstances(target)
+	if err != nil {
+		return err
+	}
+
+	pool := pond.New(1000, 10000)
+	for _, p := range portals {
+		portal := p
+		pool.Submit(func() {
+			fields := log.Fields{
+				"host":    portal.Name,
+				"address": portal.GetAddress(usePrivateIP),
+			}
+			log := log.WithFields(fields)
+
+			addr := net.JoinHostPort(portal.GetAddress(usePrivateIP), "1337")
+			rawconn, err := tls.Dial("tcp", addr, tlsConfig)
+			if err != nil {
+				log.Error(err.Error())
+				return
+			}
+
+			conn := drpcconn.New(rawconn)
+			defer conn.Close()
+
+			c := portalpb.NewDRPCPortalClient(conn)
+			ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
+			defer cancel()
+
+			r, err := c.FileChmod(ctx, &portalpb.FileChmodRequest{Path: args[0], Filemode: uint32(filemode)})
+			if err != nil {
+				log.Error(err.Error())
+				return
+			}
+
+			log.WithField("state", r.GetState()).Infof("Done")
+		})
+	}
+	pool.StopAndWait()
+	return nil
+}

pkg/portal/file.go

@@ -2,6 +2,7 @@ package portal
 
 import (
 	"context"
+	"io/fs"
 	"os"
 
 	"github.com/apex/log"
@@ -64,3 +65,21 @@ func (s *Server) FileCp(ctx context.Context, file *portal.FileCpRequest) (*porta
 	}
 	return &portal.FileCpResponse{State: portal.State_UNKNOWN}, nil
 }
+
+func (s *Server) FileChmod(ctx context.Context, file *portal.FileChmodRequest) (*portal.FileChmodResponse, error) {
+	fields := log.Fields{
+		"context": "file",
+		"command": "read",
+		"name":    file.GetPath(),
+	}
+	log := log.WithFields(fields)
+	log.Debug("Received file chmod request")
+
+	err := os.Chmod(file.GetPath(), fs.FileMode(file.GetFilemode()))
+	if err != nil {
+		log.Error(err.Error())
+		return nil, err
+	}
+
+	return &portal.FileChmodResponse{State: portal.State_UNKNOWN}, nil
+}

proto/portal/portal.pb.go

@@ -689,6 +689,108 @@ func (x *FileCpResponse) GetContent() []byte {
 	return nil
 }
 
+type FileChmodRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Path     string `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
+	Filemode uint32 `protobuf:"varint,2,opt,name=filemode,proto3" json:"filemode,omitempty"`
+}
+
+func (x *FileChmodRequest) Reset() {
+	*x = FileChmodRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_portal_portal_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *FileChmodRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FileChmodRequest) ProtoMessage() {}
+
+func (x *FileChmodRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_portal_portal_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use FileChmodRequest.ProtoReflect.Descriptor instead.
+func (*FileChmodRequest) Descriptor() ([]byte, []int) {
+	return file_portal_portal_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *FileChmodRequest) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+func (x *FileChmodRequest) GetFilemode() uint32 {
+	if x != nil {
+		return x.Filemode
+	}
+	return 0
+}
+
+type FileChmodResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	State State `protobuf:"varint,1,opt,name=state,proto3,enum=portal.State" json:"state,omitempty"`
+}
+
+func (x *FileChmodResponse) Reset() {
+	*x = FileChmodResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_portal_portal_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *FileChmodResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FileChmodResponse) ProtoMessage() {}
+
+func (x *FileChmodResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_portal_portal_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use FileChmodResponse.ProtoReflect.Descriptor instead.
+func (*FileChmodResponse) Descriptor() ([]byte, []int) {
+	return file_portal_portal_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *FileChmodResponse) GetState() State {
+	if x != nil {
+		return x.State
+	}
+	return State_UNKNOWN
+}
+
 type SystemRebootRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -698,7 +800,7 @@ type SystemRebootRequest struct {
 func (x *SystemRebootRequest) Reset() {
 	*x = SystemRebootRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_portal_portal_proto_msgTypes[11]
+		mi := &file_portal_portal_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -711,7 +813,7 @@ func (x *SystemRebootRequest) String() string {
 func (*SystemRebootRequest) ProtoMessage() {}
 
 func (x *SystemRebootRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_portal_portal_proto_msgTypes[11]
+	mi := &file_portal_portal_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -724,7 +826,7 @@ func (x *SystemRebootRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SystemRebootRequest.ProtoReflect.Descriptor instead.
 func (*SystemRebootRequest) Descriptor() ([]byte, []int) {
-	return file_portal_portal_proto_rawDescGZIP(), []int{11}
+	return file_portal_portal_proto_rawDescGZIP(), []int{13}
 }
 
 type SystemRebootResponse struct {
@@ -739,7 +841,7 @@ type SystemRebootResponse struct {
 func (x *SystemRebootResponse) Reset() {
 	*x = SystemRebootResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_portal_portal_proto_msgTypes[12]
+		mi := &file_portal_portal_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -752,7 +854,7 @@ func (x *SystemRebootResponse) String() string {
 func (*SystemRebootResponse) ProtoMessage() {}
 
 func (x *SystemRebootResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_portal_portal_proto_msgTypes[12]
+	mi := &file_portal_portal_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -765,7 +867,7 @@ func (x *SystemRebootResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SystemRebootResponse.ProtoReflect.Descriptor instead.
 func (*SystemRebootResponse) Descriptor() ([]byte, []int) {
-	return file_portal_portal_proto_rawDescGZIP(), []int{12}
+	return file_portal_portal_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *SystemRebootResponse) GetState() State {
@@ -791,7 +893,7 @@ type SystemShutdownRequest struct {
 func (x *SystemShutdownRequest) Reset() {
 	*x = SystemShutdownRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_portal_portal_proto_msgTypes[13]
+		mi := &file_portal_portal_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -804,7 +906,7 @@ func (x *SystemShutdownRequest) String() string {
 func (*SystemShutdownRequest) ProtoMessage() {}
 
 func (x *SystemShutdownRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_portal_portal_proto_msgTypes[13]
+	mi := &file_portal_portal_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -817,7 +919,7 @@ func (x *SystemShutdownRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SystemShutdownRequest.ProtoReflect.Descriptor instead.
 func (*SystemShutdownRequest) Descriptor() ([]byte, []int) {
-	return file_portal_portal_proto_rawDescGZIP(), []int{13}
+	return file_portal_portal_proto_rawDescGZIP(), []int{15}
 }
 
 type SystemShutdownResponse struct {
@@ -832,7 +934,7 @@ type SystemShutdownResponse struct {
 func (x *SystemShutdownResponse) Reset() {
 	*x = SystemShutdownResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_portal_portal_proto_msgTypes[14]
+		mi := &file_portal_portal_proto_msgTypes[16]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -845,7 +947,7 @@ func (x *SystemShutdownResponse) String() string {
 func (*SystemShutdownResponse) ProtoMessage() {}
 
 func (x *SystemShutdownResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_portal_portal_proto_msgTypes[14]
+	mi := &file_portal_portal_proto_msgTypes[16]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -858,7 +960,7 @@ func (x *SystemShutdownResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SystemShutdownResponse.ProtoReflect.Descriptor instead.
 func (*SystemShutdownResponse) Descriptor() ([]byte, []int) {
-	return file_portal_portal_proto_rawDescGZIP(), []int{14}
+	return file_portal_portal_proto_rawDescGZIP(), []int{16}
 }
 
 func (x *SystemShutdownResponse) GetState() State {
@@ -935,71 +1037,83 @@ var file_portal_portal_proto_rawDesc = []byte{
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 }
 
 var (
@@ -1015,7 +1129,7 @@ func file_portal_portal_proto_rawDescGZIP() []byte {
 }
 
 var file_portal_portal_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_portal_portal_proto_msgTypes = make([]protoimpl.MessageInfo, 15)
+var file_portal_portal_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
 var file_portal_portal_proto_goTypes = []interface{}{
 	(State)(0),                     // 0: portal.State
 	(*CommandRequest)(nil),         // 1: portal.CommandRequest
@@ -1029,10 +1143,12 @@ var file_portal_portal_proto_goTypes = []interface{}{
 	(*FileReadResponse)(nil),       // 9: portal.FileReadResponse
 	(*FileCpRequest)(nil),          // 10: portal.FileCpRequest
 	(*FileCpResponse)(nil),         // 11: portal.FileCpResponse
-	(*SystemRebootRequest)(nil),    // 12: portal.SystemRebootRequest
+	(*FileChmodRequest)(nil),       // 12: portal.FileChmodRequest
-	(*SystemRebootResponse)(nil),   // 13: portal.SystemRebootResponse
+	(*FileChmodResponse)(nil),      // 13: portal.FileChmodResponse
-	(*SystemShutdownRequest)(nil),  // 14: portal.SystemShutdownRequest
+	(*SystemRebootRequest)(nil),    // 14: portal.SystemRebootRequest
-	(*SystemShutdownResponse)(nil), // 15: portal.SystemShutdownResponse
+	(*SystemRebootResponse)(nil),   // 15: portal.SystemRebootResponse
+	(*SystemShutdownRequest)(nil),  // 16: portal.SystemShutdownRequest
+	(*SystemShutdownResponse)(nil), // 17: portal.SystemShutdownResponse
 }
 var file_portal_portal_proto_depIdxs = []int32{
 	0,  // 0: portal.CommandResponse.state:type_name -> portal.State
@@ -1040,33 +1156,36 @@ var file_portal_portal_proto_depIdxs = []int32{
 	0,  // 2: portal.ServiceStatusResponse.state:type_name -> portal.State
 	0,  // 3: portal.FileReadResponse.state:type_name -> portal.State
 	0,  // 4: portal.FileCpResponse.state:type_name -> portal.State
-	0,  // 5: portal.SystemRebootResponse.state:type_name -> portal.State
+	0,  // 5: portal.FileChmodResponse.state:type_name -> portal.State
-	0,  // 6: portal.SystemShutdownResponse.state:type_name -> portal.State
+	0,  // 6: portal.SystemRebootResponse.state:type_name -> portal.State
-	3,  // 7: portal.Portal.ServiceRestart:input_type -> portal.ServiceRequest
+	0,  // 7: portal.SystemShutdownResponse.state:type_name -> portal.State
-	3,  // 8: portal.Portal.ServiceStart:input_type -> portal.ServiceRequest
+	3,  // 8: portal.Portal.ServiceRestart:input_type -> portal.ServiceRequest
-	3,  // 9: portal.Portal.ServiceStop:input_type -> portal.ServiceRequest
+	3,  // 9: portal.Portal.ServiceStart:input_type -> portal.ServiceRequest
-	3,  // 10: portal.Portal.ServiceStatus:input_type -> portal.ServiceRequest
+	3,  // 10: portal.Portal.ServiceStop:input_type -> portal.ServiceRequest
-	1,  // 11: portal.Portal.RunCommand:input_type -> portal.CommandRequest
+	3,  // 11: portal.Portal.ServiceStatus:input_type -> portal.ServiceRequest
-	6,  // 12: portal.Portal.CPUusage:input_type -> portal.CPUusageRequest
+	1,  // 12: portal.Portal.RunCommand:input_type -> portal.CommandRequest
-	8,  // 13: portal.Portal.FileRead:input_type -> portal.FileReadRequest
+	6,  // 13: portal.Portal.CPUusage:input_type -> portal.CPUusageRequest
-	10, // 14: portal.Portal.FileCp:input_type -> portal.FileCpRequest
+	8,  // 14: portal.Portal.FileRead:input_type -> portal.FileReadRequest
-	12, // 15: portal.Portal.SystemReboot:input_type -> portal.SystemRebootRequest
+	10, // 15: portal.Portal.FileCp:input_type -> portal.FileCpRequest
-	14, // 16: portal.Portal.SystemShutdown:input_type -> portal.SystemShutdownRequest
+	12, // 16: portal.Portal.FileChmod:input_type -> portal.FileChmodRequest
-	4,  // 17: portal.Portal.ServiceRestart:output_type -> portal.ServiceResponse
+	14, // 17: portal.Portal.SystemReboot:input_type -> portal.SystemRebootRequest
-	4,  // 18: portal.Portal.ServiceStart:output_type -> portal.ServiceResponse
+	16, // 18: portal.Portal.SystemShutdown:input_type -> portal.SystemShutdownRequest
-	4,  // 19: portal.Portal.ServiceStop:output_type -> portal.ServiceResponse
+	4,  // 19: portal.Portal.ServiceRestart:output_type -> portal.ServiceResponse
-	5,  // 20: portal.Portal.ServiceStatus:output_type -> portal.ServiceStatusResponse
+	4,  // 20: portal.Portal.ServiceStart:output_type -> portal.ServiceResponse
-	2,  // 21: portal.Portal.RunCommand:output_type -> portal.CommandResponse
+	4,  // 21: portal.Portal.ServiceStop:output_type -> portal.ServiceResponse
-	7,  // 22: portal.Portal.CPUusage:output_type -> portal.CPUusageResponse
+	5,  // 22: portal.Portal.ServiceStatus:output_type -> portal.ServiceStatusResponse
-	9,  // 23: portal.Portal.FileRead:output_type -> portal.FileReadResponse
+	2,  // 23: portal.Portal.RunCommand:output_type -> portal.CommandResponse
-	11, // 24: portal.Portal.FileCp:output_type -> portal.FileCpResponse
+	7,  // 24: portal.Portal.CPUusage:output_type -> portal.CPUusageResponse
-	13, // 25: portal.Portal.SystemReboot:output_type -> portal.SystemRebootResponse
+	9,  // 25: portal.Portal.FileRead:output_type -> portal.FileReadResponse
-	15, // 26: portal.Portal.SystemShutdown:output_type -> portal.SystemShutdownResponse
+	11, // 26: portal.Portal.FileCp:output_type -> portal.FileCpResponse
-	17, // [17:27] is the sub-list for method output_type
+	13, // 27: portal.Portal.FileChmod:output_type -> portal.FileChmodResponse
-	7,  // [7:17] is the sub-list for method input_type
+	15, // 28: portal.Portal.SystemReboot:output_type -> portal.SystemRebootResponse
-	7,  // [7:7] is the sub-list for extension type_name
+	17, // 29: portal.Portal.SystemShutdown:output_type -> portal.SystemShutdownResponse
-	7,  // [7:7] is the sub-list for extension extendee
+	19, // [19:30] is the sub-list for method output_type
-	0,  // [0:7] is the sub-list for field type_name
+	8,  // [8:19] is the sub-list for method input_type
+	8,  // [8:8] is the sub-list for extension type_name
+	8,  // [8:8] is the sub-list for extension extendee
+	0,  // [0:8] is the sub-list for field type_name
 }
 
 func init() { file_portal_portal_proto_init() }
@@ -1208,7 +1327,7 @@ func file_portal_portal_proto_init() {
 			}
 		}
 		file_portal_portal_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SystemRebootRequest); i {
+			switch v := v.(*FileChmodRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1220,7 +1339,7 @@ func file_portal_portal_proto_init() {
 			}
 		}
 		file_portal_portal_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SystemRebootResponse); i {
+			switch v := v.(*FileChmodResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1232,7 +1351,7 @@ func file_portal_portal_proto_init() {
 			}
 		}
 		file_portal_portal_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SystemShutdownRequest); i {
+			switch v := v.(*SystemRebootRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1244,6 +1363,30 @@ func file_portal_portal_proto_init() {
 			}
 		}
 		file_portal_portal_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SystemRebootResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_portal_portal_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SystemShutdownRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_portal_portal_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SystemShutdownResponse); i {
 			case 0:
 				return &v.state
@@ -1262,7 +1405,7 @@ func file_portal_portal_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_portal_portal_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   15,
+			NumMessages:   17,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

proto/portal/portal.proto

@@ -64,6 +64,15 @@ message FileCpResponse {
   bytes content = 2;
 }
 
+message FileChmodRequest {
+  string path = 1;
+  uint32 filemode = 2;
+}
+
+message FileChmodResponse {
+  State state = 1;
+}
+
 message SystemRebootRequest {}
 
 message SystemRebootResponse {
@@ -87,6 +96,7 @@ service Portal {
   rpc CPUusage(CPUusageRequest) returns (CPUusageResponse) {}
   rpc FileRead(FileReadRequest) returns (FileReadResponse) {}
   rpc FileCp(FileCpRequest) returns (FileCpResponse) {}
+  rpc FileChmod(FileChmodRequest) returns (FileChmodResponse) {}
   rpc SystemReboot(SystemRebootRequest) returns (SystemRebootResponse) {}
   rpc SystemShutdown(SystemShutdownRequest) returns (SystemShutdownResponse) {}
   // --target group1 --target group2

proto/portal/portal_drpc.pb.go

@@ -46,6 +46,7 @@ type DRPCPortalClient interface {
 	CPUusage(ctx context.Context, in *CPUusageRequest) (*CPUusageResponse, error)
 	FileRead(ctx context.Context, in *FileReadRequest) (*FileReadResponse, error)
 	FileCp(ctx context.Context, in *FileCpRequest) (*FileCpResponse, error)
+	FileChmod(ctx context.Context, in *FileChmodRequest) (*FileChmodResponse, error)
 	SystemReboot(ctx context.Context, in *SystemRebootRequest) (*SystemRebootResponse, error)
 	SystemShutdown(ctx context.Context, in *SystemShutdownRequest) (*SystemShutdownResponse, error)
 }
@@ -132,6 +133,15 @@ func (c *drpcPortalClient) FileCp(ctx context.Context, in *FileCpRequest) (*File
 	return out, nil
 }
 
+func (c *drpcPortalClient) FileChmod(ctx context.Context, in *FileChmodRequest) (*FileChmodResponse, error) {
+	out := new(FileChmodResponse)
+	err := c.cc.Invoke(ctx, "/portal.Portal/FileChmod", drpcEncoding_File_portal_portal_proto{}, in, out)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *drpcPortalClient) SystemReboot(ctx context.Context, in *SystemRebootRequest) (*SystemRebootResponse, error) {
 	out := new(SystemRebootResponse)
 	err := c.cc.Invoke(ctx, "/portal.Portal/SystemReboot", drpcEncoding_File_portal_portal_proto{}, in, out)
@@ -159,6 +169,7 @@ type DRPCPortalServer interface {
 	CPUusage(context.Context, *CPUusageRequest) (*CPUusageResponse, error)
 	FileRead(context.Context, *FileReadRequest) (*FileReadResponse, error)
 	FileCp(context.Context, *FileCpRequest) (*FileCpResponse, error)
+	FileChmod(context.Context, *FileChmodRequest) (*FileChmodResponse, error)
 	SystemReboot(context.Context, *SystemRebootRequest) (*SystemRebootResponse, error)
 	SystemShutdown(context.Context, *SystemShutdownRequest) (*SystemShutdownResponse, error)
 }
@@ -197,6 +208,10 @@ func (s *DRPCPortalUnimplementedServer) FileCp(context.Context, *FileCpRequest)
 	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
 }
 
+func (s *DRPCPortalUnimplementedServer) FileChmod(context.Context, *FileChmodRequest) (*FileChmodResponse, error) {
+	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
+}
+
 func (s *DRPCPortalUnimplementedServer) SystemReboot(context.Context, *SystemRebootRequest) (*SystemRebootResponse, error) {
 	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
 }
@@ -207,7 +222,7 @@ func (s *DRPCPortalUnimplementedServer) SystemShutdown(context.Context, *SystemS
 
 type DRPCPortalDescription struct{}
 
-func (DRPCPortalDescription) NumMethods() int { return 10 }
+func (DRPCPortalDescription) NumMethods() int { return 11 }
 
 func (DRPCPortalDescription) Method(n int) (string, drpc.Encoding, drpc.Receiver, interface{}, bool) {
 	switch n {
@@ -284,6 +299,15 @@ func (DRPCPortalDescription) Method(n int) (string, drpc.Encoding, drpc.Receiver
 					)
 			}, DRPCPortalServer.FileCp, true
 	case 8:
+		return "/portal.Portal/FileChmod", drpcEncoding_File_portal_portal_proto{},
+			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
+				return srv.(DRPCPortalServer).
+					FileChmod(
+						ctx,
+						in1.(*FileChmodRequest),
+					)
+			}, DRPCPortalServer.FileChmod, true
+	case 9:
 		return "/portal.Portal/SystemReboot", drpcEncoding_File_portal_portal_proto{},
 			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
 				return srv.(DRPCPortalServer).
@@ -292,7 +316,7 @@ func (DRPCPortalDescription) Method(n int) (string, drpc.Encoding, drpc.Receiver
 						in1.(*SystemRebootRequest),
 					)
 			}, DRPCPortalServer.SystemReboot, true
-	case 9:
+	case 10:
 		return "/portal.Portal/SystemShutdown", drpcEncoding_File_portal_portal_proto{},
 			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
 				return srv.(DRPCPortalServer).
@@ -438,6 +462,22 @@ func (x *drpcPortal_FileCpStream) SendAndClose(m *FileCpResponse) error {
 	return x.CloseSend()
 }
 
+type DRPCPortal_FileChmodStream interface {
+	drpc.Stream
+	SendAndClose(*FileChmodResponse) error
+}
+
+type drpcPortal_FileChmodStream struct {
+	drpc.Stream
+}
+
+func (x *drpcPortal_FileChmodStream) SendAndClose(m *FileChmodResponse) error {
+	if err := x.MsgSend(m, drpcEncoding_File_portal_portal_proto{}); err != nil {
+		return err
+	}
+	return x.CloseSend()
+}
+
 type DRPCPortal_SystemRebootStream interface {
 	drpc.Stream
 	SendAndClose(*SystemRebootResponse) error