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authordependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>2021-09-09 16:16:56 +0000
committerGitHub <noreply@github.com>2021-09-09 16:16:56 +0000
commitc65b43a0fa53808077aa70436814b82f17236bec (patch)
treeb1c104c761c6aa075e564e160173d95ff13a8694 /vendor/github.com/godbus/dbus/v5
parent784e1ae137587ba7130eff315ebd6965e444da03 (diff)
downloadpodman-c65b43a0fa53808077aa70436814b82f17236bec.tar.gz
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Bump github.com/godbus/dbus/v5 from 5.0.4 to 5.0.5
Bumps [github.com/godbus/dbus/v5](https://github.com/godbus/dbus) from 5.0.4 to 5.0.5. - [Release notes](https://github.com/godbus/dbus/releases) - [Commits](https://github.com/godbus/dbus/compare/v5.0.4...v5.0.5) --- updated-dependencies: - dependency-name: github.com/godbus/dbus/v5 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com>
Diffstat (limited to 'vendor/github.com/godbus/dbus/v5')
-rw-r--r--vendor/github.com/godbus/dbus/v5/README.md (renamed from vendor/github.com/godbus/dbus/v5/README.markdown)12
-rw-r--r--vendor/github.com/godbus/dbus/v5/auth.go13
-rw-r--r--vendor/github.com/godbus/dbus/v5/conn.go14
-rw-r--r--vendor/github.com/godbus/dbus/v5/decoder.go16
-rw-r--r--vendor/github.com/godbus/dbus/v5/encoder.go61
-rw-r--r--vendor/github.com/godbus/dbus/v5/export.go37
-rw-r--r--vendor/github.com/godbus/dbus/v5/message.go73
-rw-r--r--vendor/github.com/godbus/dbus/v5/sig.go66
-rw-r--r--vendor/github.com/godbus/dbus/v5/transport_generic.go10
-rw-r--r--vendor/github.com/godbus/dbus/v5/transport_unix.go24
10 files changed, 230 insertions, 96 deletions
diff --git a/vendor/github.com/godbus/dbus/v5/README.markdown b/vendor/github.com/godbus/dbus/v5/README.md
index 1fb2eacaa..5c2412583 100644
--- a/vendor/github.com/godbus/dbus/v5/README.markdown
+++ b/vendor/github.com/godbus/dbus/v5/README.md
@@ -14,14 +14,12 @@ D-Bus message bus system.
### Installation
-This packages requires Go 1.7. If you installed it and set up your GOPATH, just run:
+This packages requires Go 1.12 or later. It can be installed by running the command below:
```
-go get github.com/godbus/dbus
+go get github.com/godbus/dbus/v5
```
-If you want to use the subpackages, you can install them the same way.
-
### Usage
The complete package documentation and some simple examples are available at
@@ -30,10 +28,12 @@ The complete package documentation and some simple examples are available at
gives a short overview over the basic usage.
#### Projects using godbus
-- [notify](https://github.com/esiqveland/notify) provides desktop notifications over dbus into a library.
+- [fyne](https://github.com/fyne-io/fyne) a cross platform GUI in Go inspired by Material Design.
+- [fynedesk](https://github.com/fyne-io/fynedesk) a full desktop environment for Linux/Unix using Fyne.
- [go-bluetooth](https://github.com/muka/go-bluetooth) provides a bluetooth client over bluez dbus API.
-- [playerbm](https://github.com/altdesktop/playerbm) a bookmark utility for media players.
- [iwd](https://github.com/shibumi/iwd) go bindings for the internet wireless daemon "iwd".
+- [notify](https://github.com/esiqveland/notify) provides desktop notifications over dbus into a library.
+- [playerbm](https://github.com/altdesktop/playerbm) a bookmark utility for media players.
Please note that the API is considered unstable for now and may change without
further notice.
diff --git a/vendor/github.com/godbus/dbus/v5/auth.go b/vendor/github.com/godbus/dbus/v5/auth.go
index 283487a0e..eb0b2f434 100644
--- a/vendor/github.com/godbus/dbus/v5/auth.go
+++ b/vendor/github.com/godbus/dbus/v5/auth.go
@@ -75,9 +75,9 @@ func (conn *Conn) Auth(methods []Auth) error {
s = s[1:]
for _, v := range s {
for _, m := range methods {
- if name, data, status := m.FirstData(); bytes.Equal(v, name) {
+ if name, _, status := m.FirstData(); bytes.Equal(v, name) {
var ok bool
- err = authWriteLine(conn.transport, []byte("AUTH"), v, data)
+ err = authWriteLine(conn.transport, []byte("AUTH"), v)
if err != nil {
return err
}
@@ -194,11 +194,14 @@ func (conn *Conn) tryAuth(m Auth, state authState, in *bufio.Reader) (error, boo
}
conn.uuid = string(s[1])
return nil, true
+ case state == waitingForOk && string(s[0]) == "DATA":
+ err = authWriteLine(conn.transport, []byte("DATA"))
+ if err != nil {
+ return err, false
+ }
case state == waitingForOk && string(s[0]) == "REJECTED":
return nil, false
- case state == waitingForOk && (string(s[0]) == "DATA" ||
- string(s[0]) == "ERROR"):
-
+ case state == waitingForOk && string(s[0]) == "ERROR":
err = authWriteLine(conn.transport, []byte("CANCEL"))
if err != nil {
return err, false
diff --git a/vendor/github.com/godbus/dbus/v5/conn.go b/vendor/github.com/godbus/dbus/v5/conn.go
index 29fe018ad..cb8966a74 100644
--- a/vendor/github.com/godbus/dbus/v5/conn.go
+++ b/vendor/github.com/godbus/dbus/v5/conn.go
@@ -478,14 +478,24 @@ func (conn *Conn) sendMessageAndIfClosed(msg *Message, ifClosed func()) {
conn.outInt(msg)
}
err := conn.outHandler.sendAndIfClosed(msg, ifClosed)
- conn.calls.handleSendError(msg, err)
if err != nil {
- conn.serialGen.RetireSerial(msg.serial)
+ conn.handleSendError(msg, err)
} else if msg.Type != TypeMethodCall {
conn.serialGen.RetireSerial(msg.serial)
}
}
+func (conn *Conn) handleSendError(msg *Message, err error) {
+ if msg.Type == TypeMethodCall {
+ conn.calls.handleSendError(msg, err)
+ } else if msg.Type == TypeMethodReply {
+ if _, ok := err.(FormatError); ok {
+ conn.sendError(err, msg.Headers[FieldDestination].value.(string), msg.Headers[FieldReplySerial].value.(uint32))
+ }
+ }
+ conn.serialGen.RetireSerial(msg.serial)
+}
+
// Send sends the given message to the message bus. You usually don't need to
// use this; use the higher-level equivalents (Call / Go, Emit and Export)
// instead. If msg is a method call and NoReplyExpected is not set, a non-nil
diff --git a/vendor/github.com/godbus/dbus/v5/decoder.go b/vendor/github.com/godbus/dbus/v5/decoder.go
index ede91575b..89bfed9d1 100644
--- a/vendor/github.com/godbus/dbus/v5/decoder.go
+++ b/vendor/github.com/godbus/dbus/v5/decoder.go
@@ -10,14 +10,16 @@ type decoder struct {
in io.Reader
order binary.ByteOrder
pos int
+ fds []int
}
// newDecoder returns a new decoder that reads values from in. The input is
// expected to be in the given byte order.
-func newDecoder(in io.Reader, order binary.ByteOrder) *decoder {
+func newDecoder(in io.Reader, order binary.ByteOrder, fds []int) *decoder {
dec := new(decoder)
dec.in = in
dec.order = order
+ dec.fds = fds
return dec
}
@@ -53,7 +55,7 @@ func (dec *decoder) Decode(sig Signature) (vs []interface{}, err error) {
vs = make([]interface{}, 0)
s := sig.str
for s != "" {
- err, rem := validSingle(s, 0)
+ err, rem := validSingle(s, &depthCounter{})
if err != nil {
return nil, err
}
@@ -150,7 +152,7 @@ func (dec *decoder) decode(s string, depth int) interface{} {
if len(sig.str) == 0 {
panic(FormatError("variant signature is empty"))
}
- err, rem := validSingle(sig.str, 0)
+ err, rem := validSingle(sig.str, &depthCounter{})
if err != nil {
panic(err)
}
@@ -161,7 +163,11 @@ func (dec *decoder) decode(s string, depth int) interface{} {
variant.value = dec.decode(sig.str, depth+1)
return variant
case 'h':
- return UnixFDIndex(dec.decode("u", depth).(uint32))
+ idx := dec.decode("u", depth).(uint32)
+ if int(idx) < len(dec.fds) {
+ return UnixFD(dec.fds[idx])
+ }
+ return UnixFDIndex(idx)
case 'a':
if len(s) > 1 && s[1] == '{' {
ksig := s[2:3]
@@ -219,7 +225,7 @@ func (dec *decoder) decode(s string, depth int) interface{} {
v := make([]interface{}, 0)
s = s[1 : len(s)-1]
for s != "" {
- err, rem := validSingle(s, 0)
+ err, rem := validSingle(s, &depthCounter{})
if err != nil {
panic(err)
}
diff --git a/vendor/github.com/godbus/dbus/v5/encoder.go b/vendor/github.com/godbus/dbus/v5/encoder.go
index adfbb75c5..015b26cd5 100644
--- a/vendor/github.com/godbus/dbus/v5/encoder.go
+++ b/vendor/github.com/godbus/dbus/v5/encoder.go
@@ -5,28 +5,33 @@ import (
"encoding/binary"
"io"
"reflect"
+ "strings"
+ "unicode/utf8"
)
// An encoder encodes values to the D-Bus wire format.
type encoder struct {
out io.Writer
+ fds []int
order binary.ByteOrder
pos int
}
// NewEncoder returns a new encoder that writes to out in the given byte order.
-func newEncoder(out io.Writer, order binary.ByteOrder) *encoder {
- return newEncoderAtOffset(out, 0, order)
+func newEncoder(out io.Writer, order binary.ByteOrder, fds []int) *encoder {
+ enc := newEncoderAtOffset(out, 0, order, fds)
+ return enc
}
// newEncoderAtOffset returns a new encoder that writes to out in the given
// byte order. Specify the offset to initialize pos for proper alignment
// computation.
-func newEncoderAtOffset(out io.Writer, offset int, order binary.ByteOrder) *encoder {
+func newEncoderAtOffset(out io.Writer, offset int, order binary.ByteOrder, fds []int) *encoder {
enc := new(encoder)
enc.out = out
enc.order = order
enc.pos = offset
+ enc.fds = fds
return enc
}
@@ -75,6 +80,9 @@ func (enc *encoder) Encode(vs ...interface{}) (err error) {
// encode encodes the given value to the writer and panics on error. depth holds
// the depth of the container nesting.
func (enc *encoder) encode(v reflect.Value, depth int) {
+ if depth > 64 {
+ panic(FormatError("input exceeds depth limitation"))
+ }
enc.align(alignment(v.Type()))
switch v.Kind() {
case reflect.Uint8:
@@ -97,7 +105,14 @@ func (enc *encoder) encode(v reflect.Value, depth int) {
enc.binwrite(uint16(v.Uint()))
enc.pos += 2
case reflect.Int, reflect.Int32:
- enc.binwrite(int32(v.Int()))
+ if v.Type() == unixFDType {
+ fd := v.Int()
+ idx := len(enc.fds)
+ enc.fds = append(enc.fds, int(fd))
+ enc.binwrite(uint32(idx))
+ } else {
+ enc.binwrite(int32(v.Int()))
+ }
enc.pos += 4
case reflect.Uint, reflect.Uint32:
enc.binwrite(uint32(v.Uint()))
@@ -112,9 +127,21 @@ func (enc *encoder) encode(v reflect.Value, depth int) {
enc.binwrite(v.Float())
enc.pos += 8
case reflect.String:
- enc.encode(reflect.ValueOf(uint32(len(v.String()))), depth)
+ str := v.String()
+ if !utf8.ValidString(str) {
+ panic(FormatError("input has a not-utf8 char in string"))
+ }
+ if strings.IndexByte(str, byte(0)) != -1 {
+ panic(FormatError("input has a null char('\\000') in string"))
+ }
+ if v.Type() == objectPathType {
+ if !ObjectPath(str).IsValid() {
+ panic(FormatError("invalid object path"))
+ }
+ }
+ enc.encode(reflect.ValueOf(uint32(len(str))), depth)
b := make([]byte, v.Len()+1)
- copy(b, v.String())
+ copy(b, str)
b[len(b)-1] = 0
n, err := enc.out.Write(b)
if err != nil {
@@ -124,20 +151,23 @@ func (enc *encoder) encode(v reflect.Value, depth int) {
case reflect.Ptr:
enc.encode(v.Elem(), depth)
case reflect.Slice, reflect.Array:
- if depth >= 64 {
- panic(FormatError("input exceeds container depth limit"))
- }
// Lookahead offset: 4 bytes for uint32 length (with alignment),
// plus alignment for elements.
n := enc.padding(0, 4) + 4
offset := enc.pos + n + enc.padding(n, alignment(v.Type().Elem()))
var buf bytes.Buffer
- bufenc := newEncoderAtOffset(&buf, offset, enc.order)
+ bufenc := newEncoderAtOffset(&buf, offset, enc.order, enc.fds)
for i := 0; i < v.Len(); i++ {
bufenc.encode(v.Index(i), depth+1)
}
+
+ if buf.Len() > 1<<26 {
+ panic(FormatError("input exceeds array size limitation"))
+ }
+
+ enc.fds = bufenc.fds
enc.encode(reflect.ValueOf(uint32(buf.Len())), depth)
length := buf.Len()
enc.align(alignment(v.Type().Elem()))
@@ -146,13 +176,10 @@ func (enc *encoder) encode(v reflect.Value, depth int) {
}
enc.pos += length
case reflect.Struct:
- if depth >= 64 && v.Type() != signatureType {
- panic(FormatError("input exceeds container depth limit"))
- }
switch t := v.Type(); t {
case signatureType:
str := v.Field(0)
- enc.encode(reflect.ValueOf(byte(str.Len())), depth+1)
+ enc.encode(reflect.ValueOf(byte(str.Len())), depth)
b := make([]byte, str.Len()+1)
copy(b, str.String())
b[len(b)-1] = 0
@@ -176,9 +203,6 @@ func (enc *encoder) encode(v reflect.Value, depth int) {
case reflect.Map:
// Maps are arrays of structures, so they actually increase the depth by
// 2.
- if depth >= 63 {
- panic(FormatError("input exceeds container depth limit"))
- }
if !isKeyType(v.Type().Key()) {
panic(InvalidTypeError{v.Type()})
}
@@ -189,12 +213,13 @@ func (enc *encoder) encode(v reflect.Value, depth int) {
offset := enc.pos + n + enc.padding(n, 8)
var buf bytes.Buffer
- bufenc := newEncoderAtOffset(&buf, offset, enc.order)
+ bufenc := newEncoderAtOffset(&buf, offset, enc.order, enc.fds)
for _, k := range keys {
bufenc.align(8)
bufenc.encode(k, depth+2)
bufenc.encode(v.MapIndex(k), depth+2)
}
+ enc.fds = bufenc.fds
enc.encode(reflect.ValueOf(uint32(buf.Len())), depth)
length := buf.Len()
enc.align(8)
diff --git a/vendor/github.com/godbus/dbus/v5/export.go b/vendor/github.com/godbus/dbus/v5/export.go
index 2447b51d4..522334715 100644
--- a/vendor/github.com/godbus/dbus/v5/export.go
+++ b/vendor/github.com/godbus/dbus/v5/export.go
@@ -26,6 +26,27 @@ var (
}
)
+func MakeNoObjectError(path ObjectPath) Error {
+ return Error{
+ "org.freedesktop.DBus.Error.NoSuchObject",
+ []interface{}{fmt.Sprintf("No such object '%s'", string(path))},
+ }
+}
+
+func MakeUnknownMethodError(methodName string) Error {
+ return Error{
+ "org.freedesktop.DBus.Error.UnknownMethod",
+ []interface{}{fmt.Sprintf("Unknown / invalid method '%s'", methodName)},
+ }
+}
+
+func MakeUnknownInterfaceError(ifaceName string) Error {
+ return Error{
+ "org.freedesktop.DBus.Error.UnknownInterface",
+ []interface{}{fmt.Sprintf("Object does not implement the interface '%s'", ifaceName)},
+ }
+}
+
func MakeFailedError(err error) *Error {
return &Error{
"org.freedesktop.DBus.Error.Failed",
@@ -128,6 +149,11 @@ func (conn *Conn) handleCall(msg *Message) {
ifaceName, _ := msg.Headers[FieldInterface].value.(string)
sender, hasSender := msg.Headers[FieldSender].value.(string)
serial := msg.serial
+
+ if len(name) == 0 {
+ conn.sendError(ErrMsgUnknownMethod, sender, serial)
+ }
+
if ifaceName == "org.freedesktop.DBus.Peer" {
switch name {
case "Ping":
@@ -135,29 +161,26 @@ func (conn *Conn) handleCall(msg *Message) {
case "GetMachineId":
conn.sendReply(sender, serial, conn.uuid)
default:
- conn.sendError(ErrMsgUnknownMethod, sender, serial)
+ conn.sendError(MakeUnknownMethodError(name), sender, serial)
}
return
}
- if len(name) == 0 {
- conn.sendError(ErrMsgUnknownMethod, sender, serial)
- }
object, ok := conn.handler.LookupObject(path)
if !ok {
- conn.sendError(ErrMsgNoObject, sender, serial)
+ conn.sendError(MakeNoObjectError(path), sender, serial)
return
}
iface, exists := object.LookupInterface(ifaceName)
if !exists {
- conn.sendError(ErrMsgUnknownInterface, sender, serial)
+ conn.sendError(MakeUnknownInterfaceError(ifaceName), sender, serial)
return
}
m, exists := iface.LookupMethod(name)
if !exists {
- conn.sendError(ErrMsgUnknownMethod, sender, serial)
+ conn.sendError(MakeUnknownMethodError(name), sender, serial)
return
}
args, err := conn.decodeArguments(m, sender, msg)
diff --git a/vendor/github.com/godbus/dbus/v5/message.go b/vendor/github.com/godbus/dbus/v5/message.go
index 6a925367e..dd86aff4f 100644
--- a/vendor/github.com/godbus/dbus/v5/message.go
+++ b/vendor/github.com/godbus/dbus/v5/message.go
@@ -118,11 +118,7 @@ type header struct {
Variant
}
-// DecodeMessage tries to decode a single message in the D-Bus wire format
-// from the given reader. The byte order is figured out from the first byte.
-// The possibly returned error can be an error of the underlying reader, an
-// InvalidMessageError or a FormatError.
-func DecodeMessage(rd io.Reader) (msg *Message, err error) {
+func DecodeMessageWithFDs(rd io.Reader, fds []int) (msg *Message, err error) {
var order binary.ByteOrder
var hlength, length uint32
var typ, flags, proto byte
@@ -142,7 +138,7 @@ func DecodeMessage(rd io.Reader) (msg *Message, err error) {
return nil, InvalidMessageError("invalid byte order")
}
- dec := newDecoder(rd, order)
+ dec := newDecoder(rd, order, fds)
dec.pos = 1
msg = new(Message)
@@ -166,7 +162,7 @@ func DecodeMessage(rd io.Reader) (msg *Message, err error) {
if hlength+length+16 > 1<<27 {
return nil, InvalidMessageError("message is too long")
}
- dec = newDecoder(io.MultiReader(bytes.NewBuffer(b), rd), order)
+ dec = newDecoder(io.MultiReader(bytes.NewBuffer(b), rd), order, fds)
dec.pos = 12
vs, err = dec.Decode(Signature{"a(yv)"})
if err != nil {
@@ -196,7 +192,7 @@ func DecodeMessage(rd io.Reader) (msg *Message, err error) {
sig, _ := msg.Headers[FieldSignature].value.(Signature)
if sig.str != "" {
buf := bytes.NewBuffer(body)
- dec = newDecoder(buf, order)
+ dec = newDecoder(buf, order, fds)
vs, err := dec.Decode(sig)
if err != nil {
return nil, err
@@ -207,12 +203,32 @@ func DecodeMessage(rd io.Reader) (msg *Message, err error) {
return
}
-// EncodeTo encodes and sends a message to the given writer. The byte order must
-// be either binary.LittleEndian or binary.BigEndian. If the message is not
-// valid or an error occurs when writing, an error is returned.
-func (msg *Message) EncodeTo(out io.Writer, order binary.ByteOrder) error {
+// DecodeMessage tries to decode a single message in the D-Bus wire format
+// from the given reader. The byte order is figured out from the first byte.
+// The possibly returned error can be an error of the underlying reader, an
+// InvalidMessageError or a FormatError.
+func DecodeMessage(rd io.Reader) (msg *Message, err error) {
+ return DecodeMessageWithFDs(rd, make([]int, 0));
+}
+
+type nullwriter struct{}
+
+func (nullwriter) Write(p []byte) (cnt int, err error) {
+ return len(p), nil
+}
+
+func (msg *Message) CountFds() (int, error) {
+ if len(msg.Body) == 0 {
+ return 0, nil
+ }
+ enc := newEncoder(nullwriter{}, nativeEndian, make([]int, 0))
+ err := enc.Encode(msg.Body...)
+ return len(enc.fds), err
+}
+
+func (msg *Message) EncodeToWithFDs(out io.Writer, order binary.ByteOrder) (fds []int, err error) {
if err := msg.IsValid(); err != nil {
- return err
+ return make([]int, 0), err
}
var vs [7]interface{}
switch order {
@@ -221,12 +237,16 @@ func (msg *Message) EncodeTo(out io.Writer, order binary.ByteOrder) error {
case binary.BigEndian:
vs[0] = byte('B')
default:
- return errors.New("dbus: invalid byte order")
+ return make([]int, 0), errors.New("dbus: invalid byte order")
}
body := new(bytes.Buffer)
- enc := newEncoder(body, order)
+ fds = make([]int, 0)
+ enc := newEncoder(body, order, fds)
if len(msg.Body) != 0 {
- enc.Encode(msg.Body...)
+ err = enc.Encode(msg.Body...)
+ if err != nil {
+ return
+ }
}
vs[1] = msg.Type
vs[2] = msg.Flags
@@ -239,17 +259,28 @@ func (msg *Message) EncodeTo(out io.Writer, order binary.ByteOrder) error {
}
vs[6] = headers
var buf bytes.Buffer
- enc = newEncoder(&buf, order)
- enc.Encode(vs[:]...)
+ enc = newEncoder(&buf, order, enc.fds)
+ err = enc.Encode(vs[:]...)
+ if err != nil {
+ return
+ }
enc.align(8)
body.WriteTo(&buf)
if buf.Len() > 1<<27 {
- return InvalidMessageError("message is too long")
+ return make([]int, 0), InvalidMessageError("message is too long")
}
if _, err := buf.WriteTo(out); err != nil {
- return err
+ return make([]int, 0), err
}
- return nil
+ return enc.fds, nil
+}
+
+// EncodeTo encodes and sends a message to the given writer. The byte order must
+// be either binary.LittleEndian or binary.BigEndian. If the message is not
+// valid or an error occurs when writing, an error is returned.
+func (msg *Message) EncodeTo(out io.Writer, order binary.ByteOrder) (err error) {
+ _, err = msg.EncodeToWithFDs(out, order);
+ return err;
}
// IsValid checks whether msg is a valid message and returns an
diff --git a/vendor/github.com/godbus/dbus/v5/sig.go b/vendor/github.com/godbus/dbus/v5/sig.go
index 2d326cebc..41a039812 100644
--- a/vendor/github.com/godbus/dbus/v5/sig.go
+++ b/vendor/github.com/godbus/dbus/v5/sig.go
@@ -34,7 +34,7 @@ type Signature struct {
func SignatureOf(vs ...interface{}) Signature {
var s string
for _, v := range vs {
- s += getSignature(reflect.TypeOf(v))
+ s += getSignature(reflect.TypeOf(v), &depthCounter{})
}
return Signature{s}
}
@@ -42,11 +42,19 @@ func SignatureOf(vs ...interface{}) Signature {
// SignatureOfType returns the signature of the given type. It panics if the
// type is not representable in D-Bus.
func SignatureOfType(t reflect.Type) Signature {
- return Signature{getSignature(t)}
+ return Signature{getSignature(t, &depthCounter{})}
}
// getSignature returns the signature of the given type and panics on unknown types.
-func getSignature(t reflect.Type) string {
+func getSignature(t reflect.Type, depth *depthCounter) (sig string) {
+ if !depth.Valid() {
+ panic("container nesting too deep")
+ }
+ defer func() {
+ if len(sig) > 255 {
+ panic("signature exceeds the length limitation")
+ }
+ }()
// handle simple types first
switch t.Kind() {
case reflect.Uint8:
@@ -74,7 +82,7 @@ func getSignature(t reflect.Type) string {
case reflect.Float64:
return "d"
case reflect.Ptr:
- return getSignature(t.Elem())
+ return getSignature(t.Elem(), depth)
case reflect.String:
if t == objectPathType {
return "o"
@@ -90,17 +98,20 @@ func getSignature(t reflect.Type) string {
for i := 0; i < t.NumField(); i++ {
field := t.Field(i)
if field.PkgPath == "" && field.Tag.Get("dbus") != "-" {
- s += getSignature(t.Field(i).Type)
+ s += getSignature(t.Field(i).Type, depth.EnterStruct())
}
}
+ if len(s) == 0 {
+ panic("empty struct")
+ }
return "(" + s + ")"
case reflect.Array, reflect.Slice:
- return "a" + getSignature(t.Elem())
+ return "a" + getSignature(t.Elem(), depth.EnterArray())
case reflect.Map:
if !isKeyType(t.Key()) {
panic(InvalidTypeError{t})
}
- return "a{" + getSignature(t.Key()) + getSignature(t.Elem()) + "}"
+ return "a{" + getSignature(t.Key(), depth.EnterArray().EnterDictEntry()) + getSignature(t.Elem(), depth.EnterArray().EnterDictEntry()) + "}"
case reflect.Interface:
return "v"
}
@@ -118,7 +129,7 @@ func ParseSignature(s string) (sig Signature, err error) {
}
sig.str = s
for err == nil && len(s) != 0 {
- err, s = validSingle(s, 0)
+ err, s = validSingle(s, &depthCounter{})
}
if err != nil {
sig = Signature{""}
@@ -144,7 +155,7 @@ func (s Signature) Empty() bool {
// Single returns whether the signature represents a single, complete type.
func (s Signature) Single() bool {
- err, r := validSingle(s.str, 0)
+ err, r := validSingle(s.str, &depthCounter{})
return err != nil && r == ""
}
@@ -164,15 +175,38 @@ func (e SignatureError) Error() string {
return fmt.Sprintf("dbus: invalid signature: %q (%s)", e.Sig, e.Reason)
}
+type depthCounter struct {
+ arrayDepth, structDepth, dictEntryDepth int
+}
+
+func (cnt *depthCounter) Valid() bool {
+ return cnt.arrayDepth <= 32 && cnt.structDepth <= 32 && cnt.dictEntryDepth <= 32
+}
+
+func (cnt depthCounter) EnterArray() *depthCounter {
+ cnt.arrayDepth++
+ return &cnt
+}
+
+func (cnt depthCounter) EnterStruct() *depthCounter {
+ cnt.structDepth++
+ return &cnt
+}
+
+func (cnt depthCounter) EnterDictEntry() *depthCounter {
+ cnt.dictEntryDepth++
+ return &cnt
+}
+
// Try to read a single type from this string. If it was successful, err is nil
// and rem is the remaining unparsed part. Otherwise, err is a non-nil
// SignatureError and rem is "". depth is the current recursion depth which may
// not be greater than 64 and should be given as 0 on the first call.
-func validSingle(s string, depth int) (err error, rem string) {
+func validSingle(s string, depth *depthCounter) (err error, rem string) {
if s == "" {
return SignatureError{Sig: s, Reason: "empty signature"}, ""
}
- if depth > 64 {
+ if !depth.Valid() {
return SignatureError{Sig: s, Reason: "container nesting too deep"}, ""
}
switch s[0] {
@@ -187,10 +221,10 @@ func validSingle(s string, depth int) (err error, rem string) {
i++
rem = s[i+1:]
s = s[2:i]
- if err, _ = validSingle(s[:1], depth+1); err != nil {
+ if err, _ = validSingle(s[:1], depth.EnterArray().EnterDictEntry()); err != nil {
return err, ""
}
- err, nr := validSingle(s[1:], depth+1)
+ err, nr := validSingle(s[1:], depth.EnterArray().EnterDictEntry())
if err != nil {
return err, ""
}
@@ -199,7 +233,7 @@ func validSingle(s string, depth int) (err error, rem string) {
}
return nil, rem
}
- return validSingle(s[1:], depth+1)
+ return validSingle(s[1:], depth.EnterArray())
case '(':
i := findMatching(s, '(', ')')
if i == -1 {
@@ -208,7 +242,7 @@ func validSingle(s string, depth int) (err error, rem string) {
rem = s[i+1:]
s = s[1:i]
for err == nil && s != "" {
- err, s = validSingle(s, depth+1)
+ err, s = validSingle(s, depth.EnterStruct())
}
if err != nil {
rem = ""
@@ -236,7 +270,7 @@ func findMatching(s string, left, right rune) int {
// typeFor returns the type of the given signature. It ignores any left over
// characters and panics if s doesn't start with a valid type signature.
func typeFor(s string) (t reflect.Type) {
- err, _ := validSingle(s, 0)
+ err, _ := validSingle(s, &depthCounter{})
if err != nil {
panic(err)
}
diff --git a/vendor/github.com/godbus/dbus/v5/transport_generic.go b/vendor/github.com/godbus/dbus/v5/transport_generic.go
index 718a1ff02..a08e2813c 100644
--- a/vendor/github.com/godbus/dbus/v5/transport_generic.go
+++ b/vendor/github.com/godbus/dbus/v5/transport_generic.go
@@ -41,10 +41,12 @@ func (t genericTransport) ReadMessage() (*Message, error) {
}
func (t genericTransport) SendMessage(msg *Message) error {
- for _, v := range msg.Body {
- if _, ok := v.(UnixFD); ok {
- return errors.New("dbus: unix fd passing not enabled")
- }
+ fds, err := msg.CountFds()
+ if err != nil {
+ return err
+ }
+ if fds != 0 {
+ return errors.New("dbus: unix fd passing not enabled")
}
return msg.EncodeTo(t, nativeEndian)
}
diff --git a/vendor/github.com/godbus/dbus/v5/transport_unix.go b/vendor/github.com/godbus/dbus/v5/transport_unix.go
index c7cd02f97..2212e7fa7 100644
--- a/vendor/github.com/godbus/dbus/v5/transport_unix.go
+++ b/vendor/github.com/godbus/dbus/v5/transport_unix.go
@@ -113,7 +113,7 @@ func (t *unixTransport) ReadMessage() (*Message, error) {
if _, err := io.ReadFull(t.rdr, headerdata[4:]); err != nil {
return nil, err
}
- dec := newDecoder(bytes.NewBuffer(headerdata), order)
+ dec := newDecoder(bytes.NewBuffer(headerdata), order, make([]int, 0))
dec.pos = 12
vs, err := dec.Decode(Signature{"a(yv)"})
if err != nil {
@@ -147,7 +147,7 @@ func (t *unixTransport) ReadMessage() (*Message, error) {
if err != nil {
return nil, err
}
- msg, err := DecodeMessage(bytes.NewBuffer(all))
+ msg, err := DecodeMessageWithFDs(bytes.NewBuffer(all), fds)
if err != nil {
return nil, err
}
@@ -179,21 +179,21 @@ func (t *unixTransport) ReadMessage() (*Message, error) {
}
func (t *unixTransport) SendMessage(msg *Message) error {
- fds := make([]int, 0)
- for i, v := range msg.Body {
- if fd, ok := v.(UnixFD); ok {
- msg.Body[i] = UnixFDIndex(len(fds))
- fds = append(fds, int(fd))
- }
+ fdcnt, err := msg.CountFds()
+ if err != nil {
+ return err
}
- if len(fds) != 0 {
+ if fdcnt != 0 {
if !t.hasUnixFDs {
return errors.New("dbus: unix fd passing not enabled")
}
- msg.Headers[FieldUnixFDs] = MakeVariant(uint32(len(fds)))
- oob := syscall.UnixRights(fds...)
+ msg.Headers[FieldUnixFDs] = MakeVariant(uint32(fdcnt))
buf := new(bytes.Buffer)
- msg.EncodeTo(buf, nativeEndian)
+ fds, err := msg.EncodeToWithFDs(buf, nativeEndian)
+ if err != nil {
+ return err
+ }
+ oob := syscall.UnixRights(fds...)
n, oobn, err := t.UnixConn.WriteMsgUnix(buf.Bytes(), oob, nil)
if err != nil {
return err