update systemd & dbus dependencies

Update the outdated systemd and dbus dependencies which are now provided
as go modules.  This will further tighten our dependencies and releases
and pave the way for the upcoming auto-update feature.

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

64 files changed, 328 insertions, 468 deletions

diff --git a/vendor/github.com/coreos/go-systemd/LICENSE b/vendor/github.com/coreos/go-systemd/v22/LICENSE
index 37ec93a14..37ec93a14 100644
--- a/vendor/github.com/coreos/go-systemd/LICENSE
+++ b/vendor/github.com/coreos/go-systemd/v22/LICENSE
diff --git a/vendor/github.com/coreos/go-systemd/NOTICE b/vendor/github.com/coreos/go-systemd/v22/NOTICE
index 23a0ada2f..23a0ada2f 100644
--- a/vendor/github.com/coreos/go-systemd/NOTICE
+++ b/vendor/github.com/coreos/go-systemd/v22/NOTICE
diff --git a/vendor/github.com/coreos/go-systemd/activation/files.go b/vendor/github.com/coreos/go-systemd/v22/activation/files.go
index 29dd18def..29dd18def 100644
--- a/vendor/github.com/coreos/go-systemd/activation/files.go
+++ b/vendor/github.com/coreos/go-systemd/v22/activation/files.go
diff --git a/vendor/github.com/coreos/go-systemd/activation/listeners.go b/vendor/github.com/coreos/go-systemd/v22/activation/listeners.go
index 3dbe2b087..3dbe2b087 100644
--- a/vendor/github.com/coreos/go-systemd/activation/listeners.go
+++ b/vendor/github.com/coreos/go-systemd/v22/activation/listeners.go
diff --git a/vendor/github.com/coreos/go-systemd/activation/packetconns.go b/vendor/github.com/coreos/go-systemd/v22/activation/packetconns.go
index a97206785..a97206785 100644
--- a/vendor/github.com/coreos/go-systemd/activation/packetconns.go
+++ b/vendor/github.com/coreos/go-systemd/v22/activation/packetconns.go
diff --git a/vendor/github.com/coreos/go-systemd/dbus/dbus.go b/vendor/github.com/coreos/go-systemd/v22/dbus/dbus.go
index f652582e6..91584a166 100644
--- a/vendor/github.com/coreos/go-systemd/dbus/dbus.go
+++ b/vendor/github.com/coreos/go-systemd/v22/dbus/dbus.go
@@ -23,7 +23,7 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/godbus/dbus"
+	"github.com/godbus/dbus/v5"
 )
 
 const (
diff --git a/vendor/github.com/coreos/go-systemd/dbus/methods.go b/vendor/github.com/coreos/go-systemd/v22/dbus/methods.go
index 5859583eb..e38659d7b 100644
--- a/vendor/github.com/coreos/go-systemd/dbus/methods.go
+++ b/vendor/github.com/coreos/go-systemd/v22/dbus/methods.go
@@ -20,7 +20,7 @@ import (
 	"path"
 	"strconv"
 
-	"github.com/godbus/dbus"
+	"github.com/godbus/dbus/v5"
 )
 
 func (c *Conn) jobComplete(signal *dbus.Signal) {
diff --git a/vendor/github.com/coreos/go-systemd/dbus/properties.go b/vendor/github.com/coreos/go-systemd/v22/dbus/properties.go
index 6c8189587..fb42b6273 100644
--- a/vendor/github.com/coreos/go-systemd/dbus/properties.go
+++ b/vendor/github.com/coreos/go-systemd/v22/dbus/properties.go
@@ -15,7 +15,7 @@
 package dbus
 
 import (
-	"github.com/godbus/dbus"
+	"github.com/godbus/dbus/v5"
 )
 
 // From the systemd docs:
@@ -56,7 +56,7 @@ type execStart struct {
 // http://www.freedesktop.org/software/systemd/man/systemd.service.html#ExecStart=
 func PropExecStart(command []string, uncleanIsFailure bool) Property {
 	execStarts := []execStart{
-		execStart{
+		{
 			Path:             command[0],
 			Args:             command,
 			UncleanIsFailure: uncleanIsFailure,
diff --git a/vendor/github.com/coreos/go-systemd/dbus/set.go b/vendor/github.com/coreos/go-systemd/v22/dbus/set.go
index 17c5d4856..17c5d4856 100644
--- a/vendor/github.com/coreos/go-systemd/dbus/set.go
+++ b/vendor/github.com/coreos/go-systemd/v22/dbus/set.go
diff --git a/vendor/github.com/coreos/go-systemd/dbus/subscription.go b/vendor/github.com/coreos/go-systemd/v22/dbus/subscription.go
index f6d7a08a1..7e370fea2 100644
--- a/vendor/github.com/coreos/go-systemd/dbus/subscription.go
+++ b/vendor/github.com/coreos/go-systemd/v22/dbus/subscription.go
@@ -19,7 +19,7 @@ import (
 	"log"
 	"time"
 
-	"github.com/godbus/dbus"
+	"github.com/godbus/dbus/v5"
 )
 
 const (
diff --git a/vendor/github.com/coreos/go-systemd/dbus/subscription_set.go b/vendor/github.com/coreos/go-systemd/v22/dbus/subscription_set.go
index 5b408d584..5b408d584 100644
--- a/vendor/github.com/coreos/go-systemd/dbus/subscription_set.go
+++ b/vendor/github.com/coreos/go-systemd/v22/dbus/subscription_set.go
diff --git a/vendor/github.com/coreos/pkg/dlopen/dlopen.go b/vendor/github.com/coreos/go-systemd/v22/internal/dlopen/dlopen.go
index 23774f612..23774f612 100644
--- a/vendor/github.com/coreos/pkg/dlopen/dlopen.go
+++ b/vendor/github.com/coreos/go-systemd/v22/internal/dlopen/dlopen.go
diff --git a/vendor/github.com/coreos/go-systemd/journal/journal.go b/vendor/github.com/coreos/go-systemd/v22/journal/journal.go
index a0f4837a0..a0f4837a0 100644
--- a/vendor/github.com/coreos/go-systemd/journal/journal.go
+++ b/vendor/github.com/coreos/go-systemd/v22/journal/journal.go
diff --git a/vendor/github.com/coreos/go-systemd/sdjournal/functions.go b/vendor/github.com/coreos/go-systemd/v22/sdjournal/functions.go
index e132369c1..3cbd05658 100644
--- a/vendor/github.com/coreos/go-systemd/sdjournal/functions.go
+++ b/vendor/github.com/coreos/go-systemd/v22/sdjournal/functions.go
@@ -16,7 +16,7 @@
 package sdjournal
 
 import (
-	"github.com/coreos/pkg/dlopen"
+	"github.com/coreos/go-systemd/v22/internal/dlopen"
 	"sync"
 	"unsafe"
 )
diff --git a/vendor/github.com/coreos/go-systemd/sdjournal/journal.go b/vendor/github.com/coreos/go-systemd/v22/sdjournal/journal.go
index 7f840def8..7f840def8 100644
--- a/vendor/github.com/coreos/go-systemd/sdjournal/journal.go
+++ b/vendor/github.com/coreos/go-systemd/v22/sdjournal/journal.go
diff --git a/vendor/github.com/coreos/go-systemd/sdjournal/read.go b/vendor/github.com/coreos/go-systemd/v22/sdjournal/read.go
index 51a060fb5..51a060fb5 100644
--- a/vendor/github.com/coreos/go-systemd/sdjournal/read.go
+++ b/vendor/github.com/coreos/go-systemd/v22/sdjournal/read.go
diff --git a/vendor/github.com/coreos/pkg/LICENSE b/vendor/github.com/coreos/pkg/LICENSE
deleted file mode 100644
index e06d20818..000000000
--- a/vendor/github.com/coreos/pkg/LICENSE
+++ /dev/null
@@ -1,202 +0,0 @@
-Apache License
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-                        http://www.apache.org/licenses/
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-      represent, as a whole, an original work of authorship. For the purposes
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-      separable from, or merely link (or bind by name) to the interfaces of,
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-      to the Licensor or its representatives, including but not limited to
-      communication on electronic mailing lists, source code control systems,
-      and issue tracking systems that are managed by, or on behalf of, the
-      Licensor for the purpose of discussing and improving the Work, but
-      excluding communication that is conspicuously marked or otherwise
-      designated in writing by the copyright owner as "Not a Contribution."
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-      on behalf of whom a Contribution has been received by Licensor and
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-      (except as stated in this section) patent license to make, have made,
-      use, offer to sell, sell, import, and otherwise transfer the Work,
-      where such license applies only to those patent claims licensable
-      by such Contributor that are necessarily infringed by their
-      Contribution(s) alone or by combination of their Contribution(s)
-      with the Work to which such Contribution(s) was submitted. If You
-      institute patent litigation against any entity (including a
-      cross-claim or counterclaim in a lawsuit) alleging that the Work
-      or a Contribution incorporated within the Work constitutes direct
-      or contributory patent infringement, then any patent licenses
-      granted to You under this License for that Work shall terminate
-      as of the date such litigation is filed.
-
-   4. Redistribution. You may reproduce and distribute copies of the
-      Work or Derivative Works thereof in any medium, with or without
-      modifications, and in Source or Object form, provided that You
-      meet the following conditions:
-
-      (a) You must give any other recipients of the Work or
-          Derivative Works a copy of this License; and
-
-      (b) You must cause any modified files to carry prominent notices
-          stating that You changed the files; and
-
-      (c) You must retain, in the Source form of any Derivative Works
-          that You distribute, all copyright, patent, trademark, and
-          attribution notices from the Source form of the Work,
-          excluding those notices that do not pertain to any part of
-          the Derivative Works; and
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-      (d) If the Work includes a "NOTICE" text file as part of its
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-          of the NOTICE file are for informational purposes only and
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-      may provide additional or different license terms and conditions
-      for use, reproduction, or distribution of Your modifications, or
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-      reproduction, and distribution of the Work otherwise complies with
-      the conditions stated in this License.
-
-   5. Submission of Contributions. Unless You explicitly state otherwise,
-      any Contribution intentionally submitted for inclusion in the Work
-      by You to the Licensor shall be under the terms and conditions of
-      this License, without any additional terms or conditions.
-      Notwithstanding the above, nothing herein shall supersede or modify
-      the terms of any separate license agreement you may have executed
-      with Licensor regarding such Contributions.
-
-   6. Trademarks. This License does not grant permission to use the trade
-      names, trademarks, service marks, or product names of the Licensor,
-      except as required for reasonable and customary use in describing the
-      origin of the Work and reproducing the content of the NOTICE file.
-
-   7. Disclaimer of Warranty. Unless required by applicable law or
-      agreed to in writing, Licensor provides the Work (and each
-      Contributor provides its Contributions) on an "AS IS" BASIS,
-      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-      implied, including, without limitation, any warranties or conditions
-      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
-      PARTICULAR PURPOSE. You are solely responsible for determining the
-      appropriateness of using or redistributing the Work and assume any
-      risks associated with Your exercise of permissions under this License.
-
-   8. Limitation of Liability. In no event and under no legal theory,
-      whether in tort (including negligence), contract, or otherwise,
-      unless required by applicable law (such as deliberate and grossly
-      negligent acts) or agreed to in writing, shall any Contributor be
-      liable to You for damages, including any direct, indirect, special,
-      incidental, or consequential damages of any character arising as a
-      result of this License or out of the use or inability to use the
-      Work (including but not limited to damages for loss of goodwill,
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-      other commercial damages or losses), even if such Contributor
-      has been advised of the possibility of such damages.
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-      the Work or Derivative Works thereof, You may choose to offer,
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-      License. However, in accepting such obligations, You may act only
-      on Your own behalf and on Your sole responsibility, not on behalf
-      of any other Contributor, and only if You agree to indemnify,
-      defend, and hold each Contributor harmless for any liability
-      incurred by, or claims asserted against, such Contributor by reason
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-
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-
-      To apply the Apache License to your work, attach the following
-      boilerplate notice, with the fields enclosed by brackets "{}"
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-   you may not use this file except in compliance with the License.
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diff --git a/vendor/github.com/coreos/pkg/NOTICE b/vendor/github.com/coreos/pkg/NOTICE
deleted file mode 100644
index b39ddfa5c..000000000
--- a/vendor/github.com/coreos/pkg/NOTICE
+++ /dev/null
@@ -1,5 +0,0 @@
-CoreOS Project
-Copyright 2014 CoreOS, Inc
-
-This product includes software developed at CoreOS, Inc.
-(http://www.coreos.com/).
diff --git a/vendor/github.com/coreos/pkg/dlopen/dlopen_example.go b/vendor/github.com/coreos/pkg/dlopen/dlopen_example.go
deleted file mode 100644
index 48a660104..000000000
--- a/vendor/github.com/coreos/pkg/dlopen/dlopen_example.go
+++ /dev/null
@@ -1,56 +0,0 @@
-// Copyright 2015 CoreOS, Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-// +build linux
-
-package dlopen
-
-// #include <string.h>
-// #include <stdlib.h>
-//
-// int
-// my_strlen(void *f, const char *s)
-// {
-//   size_t (*strlen)(const char *);
-//
-//   strlen = (size_t (*)(const char *))f;
-//   return strlen(s);
-// }
-import "C"
-
-import (
-	"fmt"
-	"unsafe"
-)
-
-func strlen(libs []string, s string) (int, error) {
-	h, err := GetHandle(libs)
-	if err != nil {
-		return -1, fmt.Errorf(`couldn't get a handle to the library: %v`, err)
-	}
-	defer h.Close()
-
-	f := "strlen"
-	cs := C.CString(s)
-	defer C.free(unsafe.Pointer(cs))
-
-	strlen, err := h.GetSymbolPointer(f)
-	if err != nil {
-		return -1, fmt.Errorf(`couldn't get symbol %q: %v`, f, err)
-	}
-
-	len := C.my_strlen(strlen, cs)
-
-	return int(len), nil
-}
diff --git a/vendor/github.com/godbus/dbus/.travis.yml b/vendor/github.com/godbus/dbus/.travis.yml
deleted file mode 100644
index 9cd57f432..000000000
--- a/vendor/github.com/godbus/dbus/.travis.yml
+++ /dev/null
@@ -1,46 +0,0 @@
-dist: precise
-language: go
-go_import_path: github.com/godbus/dbus
-sudo: true
-
-go:
-  - 1.7.3
-  - 1.8.7
-  - 1.9.5
-  - 1.10.1
-  - tip
-
-env:
-  global:
-  matrix:
-   - TARGET=amd64
-   - TARGET=arm64
-   - TARGET=arm
-   - TARGET=386
-   - TARGET=ppc64le
-
-matrix:
-  fast_finish: true
-  allow_failures:
-    - go: tip
-  exclude:
-  - go: tip
-    env: TARGET=arm
-  - go: tip
-    env: TARGET=arm64
-  - go: tip
-    env: TARGET=386
-  - go: tip
-    env: TARGET=ppc64le
-
-addons:
-  apt:
-    packages:
-    - dbus
-    - dbus-x11
-
-before_install:
-
-script:
-  - go test -v -race ./...                   # Run all the tests with the race detector enabled
-  - go vet ./...                             # go vet is the official Go static analyzer
diff --git a/vendor/github.com/godbus/dbus/go.mod b/vendor/github.com/godbus/dbus/go.mod
deleted file mode 100644
index 57014e4ac..000000000
--- a/vendor/github.com/godbus/dbus/go.mod
+++ /dev/null
@@ -1,3 +0,0 @@
-module github.com/godbus/dbus
-
-go 1.12
diff --git a/vendor/github.com/godbus/dbus/v5/.travis.yml b/vendor/github.com/godbus/dbus/v5/.travis.yml
new file mode 100644
index 000000000..dd6767204
--- /dev/null
+++ b/vendor/github.com/godbus/dbus/v5/.travis.yml
@@ -0,0 +1,50 @@
+dist: bionic
+language: go
+go_import_path: github.com/godbus/dbus
+
+go:
+  - 1.11.x
+  - 1.12.x
+  - 1.13.x
+  - tip
+
+matrix:
+  fast_finish: true
+  allow_failures:
+    - go: tip
+
+addons:
+  apt:
+    packages:
+    - dbus
+    - dbus-x11
+
+before_install:
+  - export GO111MODULE=on
+
+script:
+  - go test -v -race -mod=readonly ./...     # Run all the tests with the race detector enabled
+  - go vet ./...                             # go vet is the official Go static analyzer
+
+jobs:
+  include:
+    # The build matrix doesn't cover build stages, so manually expand
+    # the jobs with anchors
+    - &multiarch
+      stage: "Multiarch Test"
+      go: 1.11.x
+      env: TARGETS="386 arm arm64 ppc64le"
+      before_install:
+        - docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+      script:
+        - |
+          set -e
+          for target in $TARGETS; do
+            printf "\e[1mRunning test suite under ${target}.\e[0m\n"
+            GOARCH="$target" go test -v ./...
+            printf "\n\n"
+          done
+    - <<: *multiarch
+      go: 1.12.x
+    - <<: *multiarch
+      go: 1.13.x
diff --git a/vendor/github.com/godbus/dbus/CONTRIBUTING.md b/vendor/github.com/godbus/dbus/v5/CONTRIBUTING.md
index c88f9b2bd..c88f9b2bd 100644
--- a/vendor/github.com/godbus/dbus/CONTRIBUTING.md
+++ b/vendor/github.com/godbus/dbus/v5/CONTRIBUTING.md
diff --git a/vendor/github.com/godbus/dbus/LICENSE b/vendor/github.com/godbus/dbus/v5/LICENSE
index 670d88fca..670d88fca 100644
--- a/vendor/github.com/godbus/dbus/LICENSE
+++ b/vendor/github.com/godbus/dbus/v5/LICENSE
diff --git a/vendor/github.com/godbus/dbus/MAINTAINERS b/vendor/github.com/godbus/dbus/v5/MAINTAINERS
index 27618c9cd..27618c9cd 100644
--- a/vendor/github.com/godbus/dbus/MAINTAINERS
+++ b/vendor/github.com/godbus/dbus/v5/MAINTAINERS
diff --git a/vendor/github.com/godbus/dbus/README.markdown b/vendor/github.com/godbus/dbus/v5/README.markdown
index fd2964875..fd2964875 100644
--- a/vendor/github.com/godbus/dbus/README.markdown
+++ b/vendor/github.com/godbus/dbus/v5/README.markdown
diff --git a/vendor/github.com/godbus/dbus/auth.go b/vendor/github.com/godbus/dbus/v5/auth.go
index b0dcb54e6..31abac629 100644
--- a/vendor/github.com/godbus/dbus/auth.go
+++ b/vendor/github.com/godbus/dbus/v5/auth.go
@@ -77,7 +77,7 @@ func (conn *Conn) Auth(methods []Auth) error {
 		for _, m := range methods {
 			if name, data, status := m.FirstData(); bytes.Equal(v, name) {
 				var ok bool
-				err = authWriteLine(conn.transport, []byte("AUTH"), []byte(v), data)
+				err = authWriteLine(conn.transport, []byte("AUTH"), v, data)
 				if err != nil {
 					return err
 				}
@@ -127,7 +127,7 @@ func (conn *Conn) Auth(methods []Auth) error {
 // tryAuth tries to authenticate with m as the mechanism, using state as the
 // initial authState and in for reading input. It returns (nil, true) on
 // success, (nil, false) on a REJECTED and (someErr, false) if some other
-// error occured.
+// error occurred.
 func (conn *Conn) tryAuth(m Auth, state authState, in *bufio.Reader) (error, bool) {
 	for {
 		s, err := authReadLine(in)
diff --git a/vendor/github.com/godbus/dbus/auth_anonymous.go b/vendor/github.com/godbus/dbus/v5/auth_anonymous.go
index 75f3ad34d..75f3ad34d 100644
--- a/vendor/github.com/godbus/dbus/auth_anonymous.go
+++ b/vendor/github.com/godbus/dbus/v5/auth_anonymous.go
diff --git a/vendor/github.com/godbus/dbus/auth_external.go b/vendor/github.com/godbus/dbus/v5/auth_external.go
index 7e376d3ef..7e376d3ef 100644
--- a/vendor/github.com/godbus/dbus/auth_external.go
+++ b/vendor/github.com/godbus/dbus/v5/auth_external.go
diff --git a/vendor/github.com/godbus/dbus/auth_sha1.go b/vendor/github.com/godbus/dbus/v5/auth_sha1.go
index df15b4611..80286700b 100644
--- a/vendor/github.com/godbus/dbus/auth_sha1.go
+++ b/vendor/github.com/godbus/dbus/v5/auth_sha1.go
@@ -60,7 +60,7 @@ func (a authCookieSha1) HandleData(data []byte) ([]byte, AuthStatus) {
 
 // getCookie searches for the cookie identified by id in context and returns
 // the cookie content or nil. (Since HandleData can't return a specific error,
-// but only whether an error occured, this function also doesn't bother to
+// but only whether an error occurred, this function also doesn't bother to
 // return an error.)
 func (a authCookieSha1) getCookie(context, id []byte) []byte {
 	file, err := os.Open(a.home + "/.dbus-keyrings/" + string(context))
diff --git a/vendor/github.com/godbus/dbus/call.go b/vendor/github.com/godbus/dbus/v5/call.go
index 2cb189012..2cb189012 100644
--- a/vendor/github.com/godbus/dbus/call.go
+++ b/vendor/github.com/godbus/dbus/v5/call.go
diff --git a/vendor/github.com/godbus/dbus/conn.go b/vendor/github.com/godbus/dbus/v5/conn.go
index 9dced0cc4..b55bc99c8 100644
--- a/vendor/github.com/godbus/dbus/conn.go
+++ b/vendor/github.com/godbus/dbus/v5/conn.go
@@ -5,7 +5,6 @@ import (
 	"errors"
 	"io"
 	"os"
-	"reflect"
 	"strings"
 	"sync"
 )
@@ -31,6 +30,12 @@ var ErrClosed = errors.New("dbus: connection closed by user")
 type Conn struct {
 	transport
 
+	ctx       context.Context
+	cancelCtx context.CancelFunc
+
+	closeOnce sync.Once
+	closeErr  error
+
 	busObj BusObject
 	unixFD bool
 	uuid   string
@@ -38,6 +43,8 @@ type Conn struct {
 	handler       Handler
 	signalHandler SignalHandler
 	serialGen     SerialGenerator
+	inInt         Interceptor
+	outInt        Interceptor
 
 	names      *nameTracker
 	calls      *callTracker
@@ -190,6 +197,33 @@ func WithSerialGenerator(gen SerialGenerator) ConnOption {
 	}
 }
 
+// Interceptor intercepts incoming and outgoing messages.
+type Interceptor func(msg *Message)
+
+// WithIncomingInterceptor sets the given interceptor for incoming messages.
+func WithIncomingInterceptor(interceptor Interceptor) ConnOption {
+	return func(conn *Conn) error {
+		conn.inInt = interceptor
+		return nil
+	}
+}
+
+// WithOutgoingInterceptor sets the given interceptor for outgoing messages.
+func WithOutgoingInterceptor(interceptor Interceptor) ConnOption {
+	return func(conn *Conn) error {
+		conn.outInt = interceptor
+		return nil
+	}
+}
+
+// WithContext overrides  the default context for the connection.
+func WithContext(ctx context.Context) ConnOption {
+	return func(conn *Conn) error {
+		conn.ctx = ctx
+		return nil
+	}
+}
+
 // NewConn creates a new private *Conn from an already established connection.
 func NewConn(conn io.ReadWriteCloser, opts ...ConnOption) (*Conn, error) {
 	return newConn(genericTransport{conn}, opts...)
@@ -211,6 +245,15 @@ func newConn(tr transport, opts ...ConnOption) (*Conn, error) {
 			return nil, err
 		}
 	}
+	if conn.ctx == nil {
+		conn.ctx = context.Background()
+	}
+	conn.ctx, conn.cancelCtx = context.WithCancel(conn.ctx)
+	go func() {
+		<-conn.ctx.Done()
+		conn.Close()
+	}()
+
 	conn.calls = newCallTracker()
 	if conn.handler == nil {
 		conn.handler = NewDefaultHandler()
@@ -237,27 +280,38 @@ func (conn *Conn) BusObject() BusObject {
 // and the channels passed to Eavesdrop and Signal are closed. This method must
 // not be called on shared connections.
 func (conn *Conn) Close() error {
-	conn.outHandler.close()
-	if term, ok := conn.signalHandler.(Terminator); ok {
-		term.Terminate()
-	}
+	conn.closeOnce.Do(func() {
+		conn.outHandler.close()
+		if term, ok := conn.signalHandler.(Terminator); ok {
+			term.Terminate()
+		}
 
-	if term, ok := conn.handler.(Terminator); ok {
-		term.Terminate()
-	}
+		if term, ok := conn.handler.(Terminator); ok {
+			term.Terminate()
+		}
 
-	conn.eavesdroppedLck.Lock()
-	if conn.eavesdropped != nil {
-		close(conn.eavesdropped)
-	}
-	conn.eavesdroppedLck.Unlock()
+		conn.eavesdroppedLck.Lock()
+		if conn.eavesdropped != nil {
+			close(conn.eavesdropped)
+		}
+		conn.eavesdroppedLck.Unlock()
+
+		conn.cancelCtx()
+
+		conn.closeErr = conn.transport.Close()
+	})
+	return conn.closeErr
+}
 
-	return conn.transport.Close()
+// Context returns the context associated with the connection.  The
+// context will be cancelled when the connection is closed.
+func (conn *Conn) Context() context.Context {
+	return conn.ctx
 }
 
 // Eavesdrop causes conn to send all incoming messages to the given channel
 // without further processing. Method replies, errors and signals will not be
-// sent to the appropiate channels and method calls will not be handled. If nil
+// sent to the appropriate channels and method calls will not be handled. If nil
 // is passed, the normal behaviour is restored.
 //
 // The caller has to make sure that ch is sufficiently buffered;
@@ -294,7 +348,7 @@ func (conn *Conn) inWorker() {
 		msg, err := conn.ReadMessage()
 		if err != nil {
 			if _, ok := err.(InvalidMessageError); !ok {
-				// Some read error occured (usually EOF); we can't really do
+				// Some read error occurred (usually EOF); we can't really do
 				// anything but to shut down all stuff and returns errors to all
 				// pending replies.
 				conn.Close()
@@ -323,6 +377,10 @@ func (conn *Conn) inWorker() {
 			// Ignore it.
 			continue
 		}
+
+		if conn.inInt != nil {
+			conn.inInt(msg)
+		}
 		switch msg.Type {
 		case TypeError:
 			conn.serialGen.RetireSerial(conn.calls.handleDBusError(msg))
@@ -383,11 +441,10 @@ func (conn *Conn) Object(dest string, path ObjectPath) BusObject {
 	return &Object{conn, dest, path}
 }
 
-func (conn *Conn) sendMessage(msg *Message) {
-	conn.sendMessageAndIfClosed(msg, func() {})
-}
-
 func (conn *Conn) sendMessageAndIfClosed(msg *Message, ifClosed func()) {
+	if conn.outInt != nil {
+		conn.outInt(msg)
+	}
 	err := conn.outHandler.sendAndIfClosed(msg, ifClosed)
 	conn.calls.handleSendError(msg, err)
 	if err != nil {
@@ -483,7 +540,7 @@ func (conn *Conn) sendError(err error, dest string, serial uint32) {
 	if len(e.Body) > 0 {
 		msg.Headers[FieldSignature] = MakeVariant(SignatureOf(e.Body...))
 	}
-	conn.sendMessage(msg)
+	conn.sendMessageAndIfClosed(msg, nil)
 }
 
 // sendReply creates a method reply message corresponding to the parameters and
@@ -501,33 +558,54 @@ func (conn *Conn) sendReply(dest string, serial uint32, values ...interface{}) {
 	if len(values) > 0 {
 		msg.Headers[FieldSignature] = MakeVariant(SignatureOf(values...))
 	}
-	conn.sendMessage(msg)
+	conn.sendMessageAndIfClosed(msg, nil)
 }
 
-func (conn *Conn) defaultSignalAction(fn func(h *defaultSignalHandler, ch chan<- *Signal), ch chan<- *Signal) {
-	if !isDefaultSignalHandler(conn.signalHandler) {
-		return
-	}
-	handler := conn.signalHandler.(*defaultSignalHandler)
-	fn(handler, ch)
+// AddMatchSignal registers the given match rule to receive broadcast
+// signals based on their contents.
+func (conn *Conn) AddMatchSignal(options ...MatchOption) error {
+	options = append([]MatchOption{withMatchType("signal")}, options...)
+	return conn.busObj.Call(
+		"org.freedesktop.DBus.AddMatch", 0,
+		formatMatchOptions(options),
+	).Store()
+}
+
+// RemoveMatchSignal removes the first rule that matches previously registered with AddMatchSignal.
+func (conn *Conn) RemoveMatchSignal(options ...MatchOption) error {
+	options = append([]MatchOption{withMatchType("signal")}, options...)
+	return conn.busObj.Call(
+		"org.freedesktop.DBus.RemoveMatch", 0,
+		formatMatchOptions(options),
+	).Store()
 }
 
 // Signal registers the given channel to be passed all received signal messages.
-// The caller has to make sure that ch is sufficiently buffered; if a message
-// arrives when a write to c is not possible, it is discarded.
 //
 // Multiple of these channels can be registered at the same time.
 //
 // These channels are "overwritten" by Eavesdrop; i.e., if there currently is a
 // channel for eavesdropped messages, this channel receives all signals, and
 // none of the channels passed to Signal will receive any signals.
+//
+// Panics if the signal handler is not a `SignalRegistrar`.
 func (conn *Conn) Signal(ch chan<- *Signal) {
-	conn.defaultSignalAction((*defaultSignalHandler).addSignal, ch)
+	handler, ok := conn.signalHandler.(SignalRegistrar)
+	if !ok {
+		panic("cannot use this method with a non SignalRegistrar handler")
+	}
+	handler.AddSignal(ch)
 }
 
 // RemoveSignal removes the given channel from the list of the registered channels.
+//
+// Panics if the signal handler is not a `SignalRegistrar`.
 func (conn *Conn) RemoveSignal(ch chan<- *Signal) {
-	conn.defaultSignalAction((*defaultSignalHandler).removeSignal, ch)
+	handler, ok := conn.signalHandler.(SignalRegistrar)
+	if !ok {
+		panic("cannot use this method with a non SignalRegistrar handler")
+	}
+	handler.RemoveSignal(ch)
 }
 
 // SupportsUnixFDs returns whether the underlying transport supports passing of
@@ -614,18 +692,6 @@ func getTransport(address string) (transport, error) {
 	return nil, err
 }
 
-// dereferenceAll returns a slice that, assuming that vs is a slice of pointers
-// of arbitrary types, containes the values that are obtained from dereferencing
-// all elements in vs.
-func dereferenceAll(vs []interface{}) []interface{} {
-	for i := range vs {
-		v := reflect.ValueOf(vs[i])
-		v = v.Elem()
-		vs[i] = v.Interface()
-	}
-	return vs
-}
-
 // getKey gets a key from a the list of keys. Returns "" on error / not found...
 func getKey(s, key string) string {
 	for _, keyEqualsValue := range strings.Split(s, ",") {
@@ -650,7 +716,9 @@ func (h *outputHandler) sendAndIfClosed(msg *Message, ifClosed func()) error {
 	h.closed.lck.RLock()
 	defer h.closed.lck.RUnlock()
 	if h.closed.isClosed {
-		ifClosed()
+		if ifClosed != nil {
+			ifClosed()
+		}
 		return nil
 	}
 	h.sendLck.Lock()
@@ -801,7 +869,6 @@ func (tracker *callTracker) finalize(sn uint32) {
 		delete(tracker.calls, sn)
 		c.ContextCancel()
 	}
-	return
 }
 
 func (tracker *callTracker) finalizeWithBody(sn uint32, body []interface{}) {
@@ -815,7 +882,6 @@ func (tracker *callTracker) finalizeWithBody(sn uint32, body []interface{}) {
 		c.Body = body
 		c.done()
 	}
-	return
 }
 
 func (tracker *callTracker) finalizeWithError(sn uint32, err error) {
@@ -829,7 +895,6 @@ func (tracker *callTracker) finalizeWithError(sn uint32, err error) {
 		c.Err = err
 		c.done()
 	}
-	return
 }
 
 func (tracker *callTracker) finalizeAllWithError(err error) {
diff --git a/vendor/github.com/godbus/dbus/conn_darwin.go b/vendor/github.com/godbus/dbus/v5/conn_darwin.go
index 6e2e40202..6e2e40202 100644
--- a/vendor/github.com/godbus/dbus/conn_darwin.go
+++ b/vendor/github.com/godbus/dbus/v5/conn_darwin.go
diff --git a/vendor/github.com/godbus/dbus/conn_other.go b/vendor/github.com/godbus/dbus/v5/conn_other.go
index 616dcf664..616dcf664 100644
--- a/vendor/github.com/godbus/dbus/conn_other.go
+++ b/vendor/github.com/godbus/dbus/v5/conn_other.go
diff --git a/vendor/github.com/godbus/dbus/conn_unix.go b/vendor/github.com/godbus/dbus/v5/conn_unix.go
index 4cba8ae8e..58aee7d2a 100644
--- a/vendor/github.com/godbus/dbus/conn_unix.go
+++ b/vendor/github.com/godbus/dbus/v5/conn_unix.go
@@ -4,7 +4,6 @@ package dbus
 
 import (
 	"os"
-	"fmt"
 )
 
 const defaultSystemBusAddress = "unix:path=/var/run/dbus/system_bus_socket"
@@ -12,7 +11,7 @@ const defaultSystemBusAddress = "unix:path=/var/run/dbus/system_bus_socket"
 func getSystemBusPlatformAddress() string {
 	address := os.Getenv("DBUS_SYSTEM_BUS_ADDRESS")
 	if address != "" {
-		return fmt.Sprintf("unix:path=%s", address)
+		return address
 	}
 	return defaultSystemBusAddress
-}
\ No newline at end of file
+}
diff --git a/vendor/github.com/godbus/dbus/conn_windows.go b/vendor/github.com/godbus/dbus/v5/conn_windows.go
index 4291e4519..4291e4519 100644
--- a/vendor/github.com/godbus/dbus/conn_windows.go
+++ b/vendor/github.com/godbus/dbus/v5/conn_windows.go
diff --git a/vendor/github.com/godbus/dbus/dbus.go b/vendor/github.com/godbus/dbus/v5/dbus.go
index c6d0d3ce0..428923d26 100644
--- a/vendor/github.com/godbus/dbus/dbus.go
+++ b/vendor/github.com/godbus/dbus/v5/dbus.go
@@ -87,6 +87,7 @@ func setDest(dest, src reflect.Value) error {
 	}
 	if isVariant(src.Type()) && !isVariant(dest.Type()) {
 		src = getVariantValue(src)
+		return store(dest, src)
 	}
 	if !src.Type().ConvertibleTo(dest.Type()) {
 		return fmt.Errorf(
diff --git a/vendor/github.com/godbus/dbus/decoder.go b/vendor/github.com/godbus/dbus/v5/decoder.go
index ede91575b..ede91575b 100644
--- a/vendor/github.com/godbus/dbus/decoder.go
+++ b/vendor/github.com/godbus/dbus/v5/decoder.go
diff --git a/vendor/github.com/godbus/dbus/default_handler.go b/vendor/github.com/godbus/dbus/v5/default_handler.go
index 890b6f4e0..6d8bf32f9 100644
--- a/vendor/github.com/godbus/dbus/default_handler.go
+++ b/vendor/github.com/godbus/dbus/v5/default_handler.go
@@ -47,7 +47,7 @@ func (h *defaultHandler) introspectPath(path ObjectPath) string {
 	subpath := make(map[string]struct{})
 	var xml bytes.Buffer
 	xml.WriteString("<node>")
-	for obj, _ := range h.objects {
+	for obj := range h.objects {
 		p := string(path)
 		if p != "/" {
 			p += "/"
@@ -57,7 +57,7 @@ func (h *defaultHandler) introspectPath(path ObjectPath) string {
 			subpath[node_name] = struct{}{}
 		}
 	}
-	for s, _ := range subpath {
+	for s := range subpath {
 		xml.WriteString("\n\t<node name=\"" + s + "\"/>")
 	}
 	xml.WriteString("\n</node>")
@@ -234,88 +234,95 @@ func (obj *exportedIntf) isFallbackInterface() bool {
 //
 // Deprecated: this is the default value, don't use it, it will be unexported.
 func NewDefaultSignalHandler() *defaultSignalHandler {
-	return &defaultSignalHandler{
-		closeChan: make(chan struct{}),
-	}
-}
-
-func isDefaultSignalHandler(handler SignalHandler) bool {
-	_, ok := handler.(*defaultSignalHandler)
-	return ok
+	return &defaultSignalHandler{}
 }
 
 type defaultSignalHandler struct {
-	sync.RWMutex
-	closed    bool
-	signals   []chan<- *Signal
-	closeChan chan struct{}
+	mu      sync.RWMutex
+	closed  bool
+	signals []*signalChannelData
 }
 
 func (sh *defaultSignalHandler) DeliverSignal(intf, name string, signal *Signal) {
-	sh.RLock()
-	defer sh.RUnlock()
+	sh.mu.RLock()
+	defer sh.mu.RUnlock()
 	if sh.closed {
 		return
 	}
-	for _, ch := range sh.signals {
-		select {
-		case ch <- signal:
-		case <-sh.closeChan:
-			return
-		default:
-			go func(ch chan<- *Signal) {
-				select {
-				case ch <- signal:
-				case <-sh.closeChan:
-					return
-				}
-			}(ch)
-		}
+	for _, scd := range sh.signals {
+		scd.deliver(signal)
 	}
 }
 
-func (sh *defaultSignalHandler) Init() error {
-	sh.Lock()
-	sh.signals = make([]chan<- *Signal, 0)
-	sh.closeChan = make(chan struct{})
-	sh.Unlock()
-	return nil
-}
-
 func (sh *defaultSignalHandler) Terminate() {
-	sh.Lock()
-	if !sh.closed {
-		close(sh.closeChan)
+	sh.mu.Lock()
+	defer sh.mu.Unlock()
+	if sh.closed {
+		return
 	}
-	sh.closed = true
-	for _, ch := range sh.signals {
-		close(ch)
+
+	for _, scd := range sh.signals {
+		scd.close()
+		close(scd.ch)
 	}
+	sh.closed = true
 	sh.signals = nil
-	sh.Unlock()
 }
 
-func (sh *defaultSignalHandler) addSignal(ch chan<- *Signal) {
-	sh.Lock()
-	defer sh.Unlock()
+func (sh *defaultSignalHandler) AddSignal(ch chan<- *Signal) {
+	sh.mu.Lock()
+	defer sh.mu.Unlock()
 	if sh.closed {
 		return
 	}
-	sh.signals = append(sh.signals, ch)
-
+	sh.signals = append(sh.signals, &signalChannelData{
+		ch:   ch,
+		done: make(chan struct{}),
+	})
 }
 
-func (sh *defaultSignalHandler) removeSignal(ch chan<- *Signal) {
-	sh.Lock()
-	defer sh.Unlock()
+func (sh *defaultSignalHandler) RemoveSignal(ch chan<- *Signal) {
+	sh.mu.Lock()
+	defer sh.mu.Unlock()
 	if sh.closed {
 		return
 	}
 	for i := len(sh.signals) - 1; i >= 0; i-- {
-		if ch == sh.signals[i] {
+		if ch == sh.signals[i].ch {
+			sh.signals[i].close()
 			copy(sh.signals[i:], sh.signals[i+1:])
 			sh.signals[len(sh.signals)-1] = nil
 			sh.signals = sh.signals[:len(sh.signals)-1]
 		}
 	}
 }
+
+type signalChannelData struct {
+	wg   sync.WaitGroup
+	ch   chan<- *Signal
+	done chan struct{}
+}
+
+func (scd *signalChannelData) deliver(signal *Signal) {
+	select {
+	case scd.ch <- signal:
+	case <-scd.done:
+		return
+	default:
+		scd.wg.Add(1)
+		go scd.deferredDeliver(signal)
+	}
+}
+
+func (scd *signalChannelData) deferredDeliver(signal *Signal) {
+	select {
+	case scd.ch <- signal:
+	case <-scd.done:
+	}
+	scd.wg.Done()
+}
+
+func (scd *signalChannelData) close() {
+	close(scd.done)
+	scd.wg.Wait() // wait until all spawned goroutines return
+}
diff --git a/vendor/github.com/godbus/dbus/doc.go b/vendor/github.com/godbus/dbus/v5/doc.go
index 895036a8c..ade1df951 100644
--- a/vendor/github.com/godbus/dbus/doc.go
+++ b/vendor/github.com/godbus/dbus/v5/doc.go
@@ -61,7 +61,7 @@ Handling Unix file descriptors deserves special mention. To use them, you should
 first check that they are supported on a connection by calling SupportsUnixFDs.
 If it returns true, all method of Connection will translate messages containing
 UnixFD's to messages that are accompanied by the given file descriptors with the
-UnixFD values being substituted by the correct indices. Similarily, the indices
+UnixFD values being substituted by the correct indices. Similarly, the indices
 of incoming messages are automatically resolved. It shouldn't be necessary to use
 UnixFDIndex.
 
diff --git a/vendor/github.com/godbus/dbus/encoder.go b/vendor/github.com/godbus/dbus/v5/encoder.go
index 8bb717761..adfbb75c5 100644
--- a/vendor/github.com/godbus/dbus/encoder.go
+++ b/vendor/github.com/godbus/dbus/v5/encoder.go
@@ -60,7 +60,7 @@ func (enc *encoder) binwrite(v interface{}) {
 	}
 }
 
-// Encode encodes the given values to the underyling reader. All written values
+// Encode encodes the given values to the underlying reader. All written values
 // are aligned properly as required by the D-Bus spec.
 func (enc *encoder) Encode(vs ...interface{}) (err error) {
 	defer func() {
diff --git a/vendor/github.com/godbus/dbus/export.go b/vendor/github.com/godbus/dbus/v5/export.go
index 95d0e2958..c277ab142 100644
--- a/vendor/github.com/godbus/dbus/export.go
+++ b/vendor/github.com/godbus/dbus/v5/export.go
@@ -171,7 +171,7 @@ func (conn *Conn) handleCall(msg *Message) {
 		}
 		reply.Headers[FieldSignature] = MakeVariant(SignatureOf(reply.Body...))
 
-		conn.sendMessage(reply)
+		conn.sendMessageAndIfClosed(reply, nil)
 	}
 }
 
diff --git a/vendor/github.com/godbus/dbus/v5/go.mod b/vendor/github.com/godbus/dbus/v5/go.mod
new file mode 100644
index 000000000..15b920203
--- /dev/null
+++ b/vendor/github.com/godbus/dbus/v5/go.mod
@@ -0,0 +1,3 @@
+module github.com/godbus/dbus/v5
+
+go 1.12
diff --git a/vendor/github.com/godbus/dbus/v5/go.sum b/vendor/github.com/godbus/dbus/v5/go.sum
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/vendor/github.com/godbus/dbus/v5/go.sum
diff --git a/vendor/github.com/godbus/dbus/homedir.go b/vendor/github.com/godbus/dbus/v5/homedir.go
index 0b745f931..0b745f931 100644
--- a/vendor/github.com/godbus/dbus/homedir.go
+++ b/vendor/github.com/godbus/dbus/v5/homedir.go
diff --git a/vendor/github.com/godbus/dbus/homedir_dynamic.go b/vendor/github.com/godbus/dbus/v5/homedir_dynamic.go
index 2732081e7..2732081e7 100644
--- a/vendor/github.com/godbus/dbus/homedir_dynamic.go
+++ b/vendor/github.com/godbus/dbus/v5/homedir_dynamic.go
diff --git a/vendor/github.com/godbus/dbus/homedir_static.go b/vendor/github.com/godbus/dbus/v5/homedir_static.go
index b9d9cb552..b9d9cb552 100644
--- a/vendor/github.com/godbus/dbus/homedir_static.go
+++ b/vendor/github.com/godbus/dbus/v5/homedir_static.go
diff --git a/vendor/github.com/godbus/dbus/v5/match.go b/vendor/github.com/godbus/dbus/v5/match.go
new file mode 100644
index 000000000..086ee336a
--- /dev/null
+++ b/vendor/github.com/godbus/dbus/v5/match.go
@@ -0,0 +1,62 @@
+package dbus
+
+import (
+	"strings"
+)
+
+// MatchOption specifies option for dbus routing match rule. Options can be constructed with WithMatch* helpers.
+// For full list of available options consult
+// https://dbus.freedesktop.org/doc/dbus-specification.html#message-bus-routing-match-rules
+type MatchOption struct {
+	key   string
+	value string
+}
+
+func formatMatchOptions(options []MatchOption) string {
+	items := make([]string, 0, len(options))
+	for _, option := range options {
+		items = append(items, option.key+"='"+option.value+"'")
+	}
+	return strings.Join(items, ",")
+}
+
+// WithMatchOption creates match option with given key and value
+func WithMatchOption(key, value string) MatchOption {
+	return MatchOption{key, value}
+}
+
+// doesn't make sense to export this option because clients can only
+// subscribe to messages with signal type.
+func withMatchType(typ string) MatchOption {
+	return WithMatchOption("type", typ)
+}
+
+// WithMatchSender sets sender match option.
+func WithMatchSender(sender string) MatchOption {
+	return WithMatchOption("sender", sender)
+}
+
+// WithMatchSender sets interface match option.
+func WithMatchInterface(iface string) MatchOption {
+	return WithMatchOption("interface", iface)
+}
+
+// WithMatchMember sets member match option.
+func WithMatchMember(member string) MatchOption {
+	return WithMatchOption("member", member)
+}
+
+// WithMatchObjectPath creates match option that filters events based on given path
+func WithMatchObjectPath(path ObjectPath) MatchOption {
+	return WithMatchOption("path", string(path))
+}
+
+// WithMatchPathNamespace sets path_namespace match option.
+func WithMatchPathNamespace(namespace ObjectPath) MatchOption {
+	return WithMatchOption("path_namespace", string(namespace))
+}
+
+// WithMatchDestination sets destination match option.
+func WithMatchDestination(destination string) MatchOption {
+	return WithMatchOption("destination", destination)
+}
diff --git a/vendor/github.com/godbus/dbus/message.go b/vendor/github.com/godbus/dbus/v5/message.go
index 6a925367e..6a925367e 100644
--- a/vendor/github.com/godbus/dbus/message.go
+++ b/vendor/github.com/godbus/dbus/v5/message.go
diff --git a/vendor/github.com/godbus/dbus/object.go b/vendor/github.com/godbus/dbus/v5/object.go
index 9309b9b40..8acd7fc8b 100644
--- a/vendor/github.com/godbus/dbus/object.go
+++ b/vendor/github.com/godbus/dbus/v5/object.go
@@ -38,41 +38,16 @@ func (o *Object) CallWithContext(ctx context.Context, method string, flags Flags
 	return <-o.createCall(ctx, method, flags, make(chan *Call, 1), args...).Done
 }
 
-// MatchOption specifies option for dbus routing match rule. Options can be constructed with WithMatch* helpers.
-// For full list of available options consult
-// https://dbus.freedesktop.org/doc/dbus-specification.html#message-bus-routing-match-rules
-type MatchOption struct {
-	key   string
-	value string
-}
-
-// WithMatchOption creates match option with given key and value
-func WithMatchOption(key, value string) MatchOption {
-	return MatchOption{key, value}
-}
-
-// WithMatchObjectPath creates match option that filters events based on given path
-func WithMatchObjectPath(path ObjectPath) MatchOption {
-	return MatchOption{"path", string(path)}
-}
-
-func formatMatchOptions(options []MatchOption) string {
-	items := make([]string, 0, len(options))
-	for _, option := range options {
-		items = append(items, option.key+"='"+option.value+"'")
-	}
-
-	return strings.Join(items, ",")
-}
-
 // AddMatchSignal subscribes BusObject to signals from specified interface,
 // method (member). Additional filter rules can be added via WithMatch* option constructors.
 // Note: To filter events by object path you have to specify this path via an option.
+//
+// Deprecated: use (*Conn) AddMatchSignal instead.
 func (o *Object) AddMatchSignal(iface, member string, options ...MatchOption) *Call {
 	base := []MatchOption{
-		{"type", "signal"},
-		{"interface", iface},
-		{"member", member},
+		withMatchType("signal"),
+		WithMatchInterface(iface),
+		WithMatchMember(member),
 	}
 
 	options = append(base, options...)
@@ -85,11 +60,13 @@ func (o *Object) AddMatchSignal(iface, member string, options ...MatchOption) *C
 
 // RemoveMatchSignal unsubscribes BusObject from signals from specified interface,
 // method (member). Additional filter rules can be added via WithMatch* option constructors
+//
+// Deprecated: use (*Conn) RemoveMatchSignal instead.
 func (o *Object) RemoveMatchSignal(iface, member string, options ...MatchOption) *Call {
 	base := []MatchOption{
-		{"type", "signal"},
-		{"interface", iface},
-		{"member", member},
+		withMatchType("signal"),
+		WithMatchInterface(iface),
+		WithMatchMember(member),
 	}
 
 	options = append(base, options...)
diff --git a/vendor/github.com/godbus/dbus/server_interfaces.go b/vendor/github.com/godbus/dbus/v5/server_interfaces.go
index 01166f0bd..79d97edf3 100644
--- a/vendor/github.com/godbus/dbus/server_interfaces.go
+++ b/vendor/github.com/godbus/dbus/v5/server_interfaces.go
@@ -77,6 +77,14 @@ type SignalHandler interface {
 	DeliverSignal(iface, name string, signal *Signal)
 }
 
+// SignalRegistrar manages signal delivery channels.
+//
+// This is an optional set of methods for `SignalHandler`.
+type SignalRegistrar interface {
+	AddSignal(ch chan<- *Signal)
+	RemoveSignal(ch chan<- *Signal)
+}
+
 // A DBusError is used to convert a generic object to a D-Bus error.
 //
 // Any custom error mechanism may implement this interface to provide
diff --git a/vendor/github.com/godbus/dbus/sig.go b/vendor/github.com/godbus/dbus/v5/sig.go
index c1b809202..c1b809202 100644
--- a/vendor/github.com/godbus/dbus/sig.go
+++ b/vendor/github.com/godbus/dbus/v5/sig.go
diff --git a/vendor/github.com/godbus/dbus/transport_darwin.go b/vendor/github.com/godbus/dbus/v5/transport_darwin.go
index 1bba0d6bf..1bba0d6bf 100644
--- a/vendor/github.com/godbus/dbus/transport_darwin.go
+++ b/vendor/github.com/godbus/dbus/v5/transport_darwin.go
diff --git a/vendor/github.com/godbus/dbus/transport_generic.go b/vendor/github.com/godbus/dbus/v5/transport_generic.go
index 718a1ff02..718a1ff02 100644
--- a/vendor/github.com/godbus/dbus/transport_generic.go
+++ b/vendor/github.com/godbus/dbus/v5/transport_generic.go
diff --git a/vendor/github.com/godbus/dbus/transport_nonce_tcp.go b/vendor/github.com/godbus/dbus/v5/transport_nonce_tcp.go
index 697739efa..697739efa 100644
--- a/vendor/github.com/godbus/dbus/transport_nonce_tcp.go
+++ b/vendor/github.com/godbus/dbus/v5/transport_nonce_tcp.go
diff --git a/vendor/github.com/godbus/dbus/transport_tcp.go b/vendor/github.com/godbus/dbus/v5/transport_tcp.go
index f91c9b7d7..f91c9b7d7 100644
--- a/vendor/github.com/godbus/dbus/transport_tcp.go
+++ b/vendor/github.com/godbus/dbus/v5/transport_tcp.go
diff --git a/vendor/github.com/godbus/dbus/transport_unix.go b/vendor/github.com/godbus/dbus/v5/transport_unix.go
index c7cd02f97..c7cd02f97 100644
--- a/vendor/github.com/godbus/dbus/transport_unix.go
+++ b/vendor/github.com/godbus/dbus/v5/transport_unix.go
diff --git a/vendor/github.com/godbus/dbus/transport_unixcred_dragonfly.go b/vendor/github.com/godbus/dbus/v5/transport_unixcred_dragonfly.go
index a8cd39395..a8cd39395 100644
--- a/vendor/github.com/godbus/dbus/transport_unixcred_dragonfly.go
+++ b/vendor/github.com/godbus/dbus/v5/transport_unixcred_dragonfly.go
diff --git a/vendor/github.com/godbus/dbus/transport_unixcred_freebsd.go b/vendor/github.com/godbus/dbus/v5/transport_unixcred_freebsd.go
index 0fc5b9273..0fc5b9273 100644
--- a/vendor/github.com/godbus/dbus/transport_unixcred_freebsd.go
+++ b/vendor/github.com/godbus/dbus/v5/transport_unixcred_freebsd.go
diff --git a/vendor/github.com/godbus/dbus/transport_unixcred_linux.go b/vendor/github.com/godbus/dbus/v5/transport_unixcred_linux.go
index d9dfdf698..d9dfdf698 100644
--- a/vendor/github.com/godbus/dbus/transport_unixcred_linux.go
+++ b/vendor/github.com/godbus/dbus/v5/transport_unixcred_linux.go
diff --git a/vendor/github.com/godbus/dbus/transport_unixcred_openbsd.go b/vendor/github.com/godbus/dbus/v5/transport_unixcred_openbsd.go
index af7bafdf9..af7bafdf9 100644
--- a/vendor/github.com/godbus/dbus/transport_unixcred_openbsd.go
+++ b/vendor/github.com/godbus/dbus/v5/transport_unixcred_openbsd.go
diff --git a/vendor/github.com/godbus/dbus/variant.go b/vendor/github.com/godbus/dbus/v5/variant.go
index 0ca123b01..5b51828c8 100644
--- a/vendor/github.com/godbus/dbus/variant.go
+++ b/vendor/github.com/godbus/dbus/v5/variant.go
@@ -26,7 +26,7 @@ func MakeVariantWithSignature(v interface{}, s Signature) Variant {
 }
 
 // ParseVariant parses the given string as a variant as described at
-// https://developer.gnome.org/glib/unstable/gvariant-text.html. If sig is not
+// https://developer.gnome.org/glib/stable/gvariant-text.html. If sig is not
 // empty, it is taken to be the expected signature for the variant.
 func ParseVariant(s string, sig Signature) (Variant, error) {
 	tokens := varLex(s)
@@ -129,7 +129,7 @@ func (v Variant) Signature() Signature {
 }
 
 // String returns the string representation of the underlying value of v as
-// described at https://developer.gnome.org/glib/unstable/gvariant-text.html.
+// described at https://developer.gnome.org/glib/stable/gvariant-text.html.
 func (v Variant) String() string {
 	s, unamb := v.format()
 	if !unamb {
diff --git a/vendor/github.com/godbus/dbus/variant_lexer.go b/vendor/github.com/godbus/dbus/v5/variant_lexer.go
index 332007d6f..bf1398c8f 100644
--- a/vendor/github.com/godbus/dbus/variant_lexer.go
+++ b/vendor/github.com/godbus/dbus/v5/variant_lexer.go
@@ -51,7 +51,7 @@ func varLex(s string) []varToken {
 }
 
 func (l *varLexer) accept(valid string) bool {
-	if strings.IndexRune(valid, l.next()) >= 0 {
+	if strings.ContainsRune(valid, l.next()) {
 		return true
 	}
 	l.backup()
@@ -214,17 +214,17 @@ func varLexNumber(l *varLexer) lexState {
 			digits = "01234567"
 		}
 	}
-	for strings.IndexRune(digits, l.next()) >= 0 {
+	for strings.ContainsRune(digits, l.next()) {
 	}
 	l.backup()
 	if l.accept(".") {
-		for strings.IndexRune(digits, l.next()) >= 0 {
+		for strings.ContainsRune(digits, l.next()) {
 		}
 		l.backup()
 	}
 	if l.accept("eE") {
 		l.accept("+-")
-		for strings.IndexRune("0123456789", l.next()) >= 0 {
+		for strings.ContainsRune("0123456789", l.next()) {
 		}
 		l.backup()
 	}
diff --git a/vendor/github.com/godbus/dbus/variant_parser.go b/vendor/github.com/godbus/dbus/v5/variant_parser.go
index d20f5da6d..d20f5da6d 100644
--- a/vendor/github.com/godbus/dbus/variant_parser.go
+++ b/vendor/github.com/godbus/dbus/v5/variant_parser.go