Merge pull request #203 from ebriney/bump_to_v0.6.4

Bump to 0.6.4

.travis.yml

@@ -19,32 +19,6 @@
   before_script:
     - make deps
     - "export DISPLAY=:99.0"
-    - if [[ "$TRAVIS_OS_NAME" == "linux"  ]]; then sh ci/before_script_linux.sh; fi
+    - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sh ci/before_script_linux.sh; fi
     - make validate
   script: make test
-
-  before_deploy:
-    - sh ci/before_deploy.sh
-
-  deploy:
-    provider: releases
-    api_key:
-      secure: "$GITHUB_TOKEN"
-    # upload file artifacts using a glob expression.
-    # It requires both options `file_glob` and `file`:
-    # https://github.com/travis-ci/dpl/blob/master/lib/dpl/provider/releases.rb#L47-L53
-    file_glob: true
-    file: docker-credential-*-${TRAVIS_TAG}-amd64.tar.gz
-    # don't delete the artifacts from previous phases
-    skip_cleanup: true
-    # deploy when a new tag is pushed
-    on:
-      tags: true
-
-  branches:
-    only:
-      # Pushes and PR to the master branch
-      - master
-      # IMPORTANT Ruby regex to match tags. Required, or travis won't trigger deploys when a new tag
-      # is pushed. This regex matches semantic versions like v1.2.3-rc4+2016.02.22
-      - /^v\d+\.\d+\.\d+.*$/

Jenkinsfile

@@ -28,7 +28,8 @@ pipeline {
                                 sh 'apt-get update && apt-get install -y libsecret-1-dev pass'
                                 sh 'make deps fmt lint test'
                                 sh 'make pass secretservice'
-                                archiveArtifacts 'bin/docker-credential-*'
+                                sh 'make linuxrelease'
+                                archiveArtifacts 'release/docker-credential-*'
                             }
                         }
                     }
@@ -45,7 +46,8 @@ pipeline {
                         dir('src/github.com/docker/docker-credential-helpers') {
                             sh 'make deps fmt lint test'
                             sh 'make osxcodesign'
-                            archiveArtifacts 'bin/docker-credential-*'
+                            sh 'make osxrelease'
+                            archiveArtifacts 'release/docker-credential-*'
                         }
                     }
                 }
@@ -56,8 +58,8 @@ pipeline {
                     environment {
                         GOPATH      = pwd()
                         PATH        = "${pwd()}/bin;$PATH"
-                        PFX         = credentials('windows-build-pfx-sanitize')
-                        PFXPASSWORD = credentials('windows-build-pfx-password')
+                        PFX         = credentials('windows-build-2019-pfx')
+                        PFXPASSWORD = credentials('windows-build-2019-pfx-password')
                     }
                     steps {
                         dir('src/github.com/docker/docker-credential-helpers') {

Makefile

@@ -21,26 +21,29 @@ osxcodesign: osxkeychain
 	xcrun -log codesign -s $(SIGNINGHASH) --force --verbose bin/docker-credential-osxkeychain
 	xcrun codesign --verify --deep --strict --verbose=2 --display bin/docker-credential-osxkeychain
 
-osxrelease: clean vet_osx lint fmt test osxcodesign
-	mkdir -p release
-	@echo "\nPackaging version ${VERSION}\n"
-	cd bin && tar cvfz ../release/docker-credential-osxkeychain-v$(VERSION)-amd64.tar.gz docker-credential-osxkeychain
-
 secretservice:
 	mkdir -p bin
 	go build -o bin/docker-credential-secretservice secretservice/cmd/main_linux.go
 
 pass:
 	mkdir -p bin
-	go build -o bin/docker-credential-pass pass/cmd/main_linux.go
+	go build -o bin/docker-credential-pass pass/cmd/main.go
 
 wincred:
 	mkdir -p bin
 	go build -o bin/docker-credential-wincred.exe wincred/cmd/main_windows.go
 
-winrelease: clean vet_win lint fmt test wincred
+linuxrelease:
+	mkdir -p release
+	cd bin && tar cvfz ../release/docker-credential-pass-v$(VERSION)-amd64.tar.gz docker-credential-pass
+	cd bin && tar cvfz ../release/docker-credential-secretservice-v$(VERSION)-amd64.tar.gz docker-credential-secretservice
+
+osxrelease:
+	mkdir -p release
+	cd bin && tar cvfz ../release/docker-credential-osxkeychain-v$(VERSION)-amd64.tar.gz docker-credential-osxkeychain
+
+winrelease:
 	mkdir -p release
-	@echo "\nPackaging version ${VERSION}\n"
 	cd bin && zip ../release/docker-credential-wincred-v$(VERSION)-amd64.zip docker-credential-wincred.exe
 
 test:

appveyor.yml

@@ -1,24 +0,0 @@
-image: Visual Studio 2015
-environment:
-      GOPATH: c:\gopath
-
-stack: go 1.8.7
-
-clone_folder: c:\gopath\src\github.com\docker\docker-credential-helpers
-clone_depth: 10
-
-before_build:
-  - set PATH=%PATH%;C:\MinGW\bin;
-
-build_script:
-  - mingw32-make vet_win wincred
-
-test_script:
-  - mingw32-make test
-
-deploy: off
-
-artifacts:
-  - path: bin/docker-credential-wincred.exe
-
-configuration: Release

ci/before_deploy.sh

@@ -1,15 +0,0 @@
-set -ex
-
-mkdir bin
-case "$TRAVIS_OS_NAME" in
-	"osx")
-		go build -o bin/docker-credential-osxkeychain osxkeychain/cmd/main_darwin.go
-		cd bin
-		tar czf ../docker-credential-osxkeychain-${TRAVIS_TAG}-amd64.tar.gz docker-credential-osxkeychain
-		;;
-	"linux")
-		go build -o bin/docker-credential-secretservice secretservice/cmd/main_linux.go
-		cd bin
-		tar czf ../docker-credential-secretservice-${TRAVIS_TAG}-amd64.tar.gz docker-credential-secretservice
-		;;
-esac

client/command.go

@@ -4,7 +4,8 @@ import (
 	"fmt"
 	"io"
 	"os"
-	"os/exec"
+
+	exec "golang.org/x/sys/execabs"
 )
 
 // Program is an interface to execute external programs.

credentials/version.go

@@ -1,4 +1,4 @@
 package credentials
 
 // Version holds a string describing the current version
-const Version = "0.6.3"
+const Version = "0.6.4"

go.mod

@@ -0,0 +1,8 @@
+module github.com/docker/docker-credential-helpers
+
+go 1.13
+
+require (
+	github.com/danieljoos/wincred v1.1.0
+	golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4
+)

go.sum

@@ -0,0 +1,16 @@
+github.com/danieljoos/wincred v1.1.0 h1:3RNcEpBg4IhIChZdFRSdlQt1QjCp1sMAPIrOnm7Yf8g=
+github.com/danieljoos/wincred v1.1.0/go.mod h1:XYlo+eRTsVA9aHGp7NGjFkPla4m+DCL7hqDjlFjiygg=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
+github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4 h1:myAQVi0cGEoqQVR5POX+8RR2mrocKqNN1hmeMqhX27k=
+golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

osxkeychain/osxkeychain_darwin.go

@@ -21,6 +21,13 @@ import (
 // when the credentials are not in the keychain.
 const errCredentialsNotFound = "The specified item could not be found in the keychain."
 
+// errCredentialsNotFound is the specific error message returned by OS X
+// when environment does not allow showing dialog to unlock keychain.
+const errInteractionNotAllowed = "User interaction is not allowed."
+
+// ErrInteractionNotAllowed is returned if keychain password prompt can not be shown.
+var ErrInteractionNotAllowed = errors.New(`keychain cannot be accessed because the current session does not allow user interaction. The keychain may be locked; unlock it by running "security -v unlock-keychain ~/Library/Keychains/login.keychain-db" and try again`)
+
 // Osxkeychain handles secrets using the OS X Keychain as store.
 type Osxkeychain struct{}
 
@@ -89,6 +96,9 @@ func (h Osxkeychain) Get(serverURL string) (string, string, error) {
 		if goMsg == errCredentialsNotFound {
 			return "", "", credentials.NewErrCredentialsNotFound()
 		}
+		if goMsg == errInteractionNotAllowed {
+			return "", "", ErrInteractionNotAllowed
+		}
 
 		return "", "", errors.New(goMsg)
 	}
@@ -117,6 +127,9 @@ func (h Osxkeychain) List() (map[string]string, error) {
 		if goMsg == errCredentialsNotFound {
 			return make(map[string]string), nil
 		}
+		if goMsg == errInteractionNotAllowed {
+			return nil, ErrInteractionNotAllowed
+		}
 
 		return nil, errors.New(goMsg)
 	}

pass/pass.go

@@ -1,7 +1,7 @@
-// A `pass` based credential helper. Passwords are stored as arguments to pass
-// of the form: "$PASS_FOLDER/base64-url(serverURL)/username". We base64-url
-// encode the serverURL, because under the hood pass uses files and folders, so
-// /s will get translated into additional folders.
+// Package pass implements a `pass` based credential helper. Passwords are stored
+// as arguments to pass of the form: "$PASS_FOLDER/base64-url(serverURL)/username".
+// We base64-url encode the serverURL, because under the hood pass uses files and
+// folders, so /s will get translated into additional folders.
 package pass
 
 import (
@@ -19,7 +19,8 @@ import (
 	"github.com/docker/docker-credential-helpers/credentials"
 )
 
-const PASS_FOLDER = "docker-credential-helpers"
+// PASS_FOLDER contains the directory where credentials are stored
+const PASS_FOLDER = "docker-credential-helpers" //nolint: golint
 
 // Pass handles secrets using Linux secret-service as a store.
 type Pass struct{}
@@ -79,25 +80,25 @@ func (p Pass) runPassHelper(stdinContent string, args ...string) (string, error)
 }
 
 // Add adds new credentials to the keychain.
-func (h Pass) Add(creds *credentials.Credentials) error {
+func (p Pass) Add(creds *credentials.Credentials) error {
 	if creds == nil {
 		return errors.New("missing credentials")
 	}
 
 	encoded := base64.URLEncoding.EncodeToString([]byte(creds.ServerURL))
 
-	_, err := h.runPass(creds.Secret, "insert", "-f", "-m", path.Join(PASS_FOLDER, encoded, creds.Username))
+	_, err := p.runPass(creds.Secret, "insert", "-f", "-m", path.Join(PASS_FOLDER, encoded, creds.Username))
 	return err
 }
 
 // Delete removes credentials from the store.
-func (h Pass) Delete(serverURL string) error {
+func (p Pass) Delete(serverURL string) error {
 	if serverURL == "" {
 		return errors.New("missing server url")
 	}
 
 	encoded := base64.URLEncoding.EncodeToString([]byte(serverURL))
-	_, err := h.runPass("", "rm", "-rf", path.Join(PASS_FOLDER, encoded))
+	_, err := p.runPass("", "rm", "-rf", path.Join(PASS_FOLDER, encoded))
 	return err
 }
 
@@ -128,7 +129,7 @@ func listPassDir(args ...string) ([]os.FileInfo, error) {
 }
 
 // Get returns the username and secret to use for a given registry server URL.
-func (h Pass) Get(serverURL string) (string, string, error) {
+func (p Pass) Get(serverURL string) (string, string, error) {
 	if serverURL == "" {
 		return "", "", errors.New("missing server url")
 	}
@@ -153,12 +154,12 @@ func (h Pass) Get(serverURL string) (string, string, error) {
 	}
 
 	actual := strings.TrimSuffix(usernames[0].Name(), ".gpg")
-	secret, err := h.runPass("", "show", path.Join(PASS_FOLDER, encoded, actual))
+	secret, err := p.runPass("", "show", path.Join(PASS_FOLDER, encoded, actual))
 	return actual, secret, err
 }
 
 // List returns the stored URLs and corresponding usernames for a given credentials label
-func (h Pass) List() (map[string]string, error) {
+func (p Pass) List() (map[string]string, error) {
 	servers, err := listPassDir()
 	if err != nil {
 		return nil, err

registryurl/url_go18.go

@@ -6,10 +6,12 @@ import (
 	url "net/url"
 )
 
+// GetHostname returns the hostname of the URL
 func GetHostname(u *url.URL) string {
 	return u.Hostname()
 }
 
+// GetPort returns the port number of the URL
 func GetPort(u *url.URL) string {
 	return u.Port()
 }

secretservice/secretservice_linux_test.go

@@ -19,14 +19,14 @@ func TestSecretServiceHelper(t *testing.T) {
 	helper := Secretservice{}
 
 	// Check how many docker credentials we have when starting the test
-	old_auths, err := helper.List()
+	oldAuths, err := helper.List()
 	if err != nil {
 		t.Fatal(err)
 	}
 
 	// If any docker credentials with the tests values we are providing, we
 	// remove them as they probably come from a previous failed test
-	for k, v := range old_auths {
+	for k, v := range oldAuths {
 		if strings.Compare(k, creds.ServerURL) == 0 && strings.Compare(v, creds.Username) == 0 {
 
 			if err := helper.Delete(creds.ServerURL); err != nil {
@@ -36,7 +36,7 @@ func TestSecretServiceHelper(t *testing.T) {
 	}
 
 	// Check again how many docker credentials we have when starting the test
-	old_auths, err = helper.List()
+	oldAuths, err = helper.List()
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -61,11 +61,11 @@ func TestSecretServiceHelper(t *testing.T) {
 	}
 
 	// We should have one more credential than before adding
-	new_auths, err := helper.List()
-	if err != nil || (len(new_auths)-len(old_auths) != 1) {
+	newAuths, err := helper.List()
+	if err != nil || (len(newAuths)-len(oldAuths) != 1) {
 		t.Fatal(err)
 	}
-	old_auths = new_auths
+	oldAuths = newAuths
 
 	// Deleting the credentials associated to current server url should succeed
 	if err := helper.Delete(creds.ServerURL); err != nil {
@@ -73,8 +73,8 @@ func TestSecretServiceHelper(t *testing.T) {
 	}
 
 	// We should have one less credential than before deleting
-	new_auths, err = helper.List()
-	if err != nil || (len(old_auths)-len(new_auths) != 1) {
+	newAuths, err = helper.List()
+	if err != nil || (len(oldAuths)-len(newAuths) != 1) {
 		t.Fatal(err)
 	}
 }

vendor/github.com/danieljoos/wincred/.gitattributes

@@ -0,0 +1 @@
+*.go text eol=lf

vendor/github.com/danieljoos/wincred/.gitignore

@@ -0,0 +1,23 @@
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+
+# Folders
+_obj
+_test
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe
+*.test

vendor/github.com/danieljoos/wincred/README.md

@@ -0,0 +1,98 @@
+wincred
+=======
+
+Go wrapper around the Windows Credential Manager API functions.
+
+![Go](https://github.com/danieljoos/wincred/workflows/Go/badge.svg)
+[![GoDoc](https://godoc.org/github.com/danieljoos/wincred?status.svg)](https://godoc.org/github.com/danieljoos/wincred)
+
+
+Installation
+------------
+
+```Go
+go get github.com/danieljoos/wincred
+```
+
+
+Usage
+-----
+
+See the following examples:
+
+### Create and store a new generic credential object
+```Go
+package main
+
+import (
+    "fmt"
+    "github.com/danieljoos/wincred"
+)
+
+func main() {
+    cred := wincred.NewGenericCredential("myGoApplication")
+    cred.CredentialBlob = []byte("my secret")
+    err := cred.Write()
+    
+    if err != nil {
+        fmt.Println(err)
+    }
+} 
+```
+
+### Retrieve a credential object
+```Go
+package main
+
+import (
+    "fmt"
+    "github.com/danieljoos/wincred"
+)
+
+func main() {
+    cred, err := wincred.GetGenericCredential("myGoApplication")
+    if err == nil {
+        fmt.Println(string(cred.CredentialBlob))
+    }
+} 
+```
+
+### Remove a credential object
+```Go
+package main
+
+import (
+    "fmt"
+    "github.com/danieljoos/wincred"
+)
+
+func main() {
+    cred, err := wincred.GetGenericCredential("myGoApplication")
+    if err != nil {
+        fmt.Println(err)
+        return
+    }
+    cred.Delete()
+} 
+```
+
+### List all available credentials
+```Go
+package main
+
+import (
+    "fmt"
+    "github.com/danieljoos/wincred"
+)
+
+func main() {
+    creds, err := wincred.List()
+    if err != nil {
+        fmt.Println(err)
+        return
+    }
+    for i := range(creds) {
+        fmt.Println(creds[i].TargetName)
+    }
+}
+```

vendor/github.com/danieljoos/wincred/conversion.go

@@ -1,3 +1,5 @@
+// +build windows
+
 package wincred
 
 import (
@@ -9,48 +11,57 @@ import (
 	"unsafe"
 )
 
-var nullPointer = unsafe.Pointer(uintptr(0))
-
-// Create a Go string using a pointer to a zero-terminated UTF 16 encoded string.
-// See github.com/AllenDang/w32
+// uf16PtrToString creates a Go string from a pointer to a UTF16 encoded zero-terminated string.
+// Such pointers are returned from the Windows API calls.
+// The function creates a copy of the string.
 func utf16PtrToString(wstr *uint16) string {
 	if wstr != nil {
-		buf := make([]uint16, 0, 256)
-		for ptr := uintptr(unsafe.Pointer(wstr)); ; ptr += 2 {
-			rune := *(*uint16)(unsafe.Pointer(ptr))
-			if rune == 0 {
-				return string(utf16.Decode(buf))
+		for len := 0; ; len++ {
+			ptr := unsafe.Pointer(uintptr(unsafe.Pointer(wstr)) + uintptr(len)*unsafe.Sizeof(*wstr)) // see https://golang.org/pkg/unsafe/#Pointer (3)
+			if *(*uint16)(ptr) == 0 {
+				return string(utf16.Decode(*(*[]uint16)(unsafe.Pointer(&reflect.SliceHeader{
+					Data: uintptr(unsafe.Pointer(wstr)),
+					Len:  len,
+					Cap:  len,
+				}))))
 			}
-			buf = append(buf, rune)
 		}
 	}
-
 	return ""
 }
 
-// Create a byte array from a given UTF 16 char array
+// utf16ToByte creates a byte array from a given UTF 16 char array.
 func utf16ToByte(wstr []uint16) (result []byte) {
 	result = make([]byte, len(wstr)*2)
-	for i, _ := range wstr {
+	for i := range wstr {
 		binary.LittleEndian.PutUint16(result[(i*2):(i*2)+2], wstr[i])
 	}
 	return
 }
 
-// Copies the given C byte array to a Go byte array (see `C.GoBytes`)
-func goBytes(src unsafe.Pointer, len uint32) []byte {
-	if src == nullPointer {
+// utf16FromString creates a UTF16 char array from a string.
+func utf16FromString(str string) []uint16 {
+	return syscall.StringToUTF16(str)
+}
+
+// goBytes copies the given C byte array to a Go byte array (see `C.GoBytes`).
+// This function avoids having cgo as dependency.
+func goBytes(src uintptr, len uint32) []byte {
+	if src == uintptr(0) {
 		return []byte{}
 	}
-	slice := (*[1 << 30]byte)(src)[0:len]
 	rv := make([]byte, len)
-	copy(rv, slice)
-	return rv[:]
+	copy(rv, *(*[]byte)(unsafe.Pointer(&reflect.SliceHeader{
+		Data: src,
+		Len:  int(len),
+		Cap:  int(len),
+	})))
+	return rv
 }
 
 // Convert the given CREDENTIAL struct to a more usable structure
-func nativeToCredential(cred *nativeCREDENTIAL) (result *Credential) {
-	if unsafe.Pointer(cred) == nullPointer {
+func sysToCredential(cred *sysCREDENTIAL) (result *Credential) {
+	if cred == nil {
 		return nil
 	}
 	result = new(Credential)
@@ -60,29 +71,28 @@ func nativeToCredential(cred *nativeCREDENTIAL) (result *Credential) {
 	result.UserName = utf16PtrToString(cred.UserName)
 	result.LastWritten = time.Unix(0, cred.LastWritten.Nanoseconds())
 	result.Persist = CredentialPersistence(cred.Persist)
-	result.CredentialBlob = goBytes(unsafe.Pointer(cred.CredentialBlob), cred.CredentialBlobSize)
+	result.CredentialBlob = goBytes(cred.CredentialBlob, cred.CredentialBlobSize)
 	result.Attributes = make([]CredentialAttribute, cred.AttributeCount)
-	attrSliceHeader := reflect.SliceHeader{
+	attrSlice := *(*[]sysCREDENTIAL_ATTRIBUTE)(unsafe.Pointer(&reflect.SliceHeader{
 		Data: cred.Attributes,
 		Len:  int(cred.AttributeCount),
 		Cap:  int(cred.AttributeCount),
-	}
-	attrSlice := *(*[]nativeCREDENTIAL_ATTRIBUTE)(unsafe.Pointer(&attrSliceHeader))
+	}))
 	for i, attr := range attrSlice {
 		resultAttr := &result.Attributes[i]
 		resultAttr.Keyword = utf16PtrToString(attr.Keyword)
-		resultAttr.Value = goBytes(unsafe.Pointer(attr.Value), attr.ValueSize)
+		resultAttr.Value = goBytes(attr.Value, attr.ValueSize)
 	}
 	return result
 }
 
 // Convert the given Credential object back to a CREDENTIAL struct, which can be used for calling the
 // Windows APIs
-func nativeFromCredential(cred *Credential) (result *nativeCREDENTIAL) {
+func sysFromCredential(cred *Credential) (result *sysCREDENTIAL) {
 	if cred == nil {
 		return nil
 	}
-	result = new(nativeCREDENTIAL)
+	result = new(sysCREDENTIAL)
 	result.Flags = 0
 	result.Type = 0
 	result.TargetName, _ = syscall.UTF16PtrFromString(cred.TargetName)
@@ -96,13 +106,13 @@ func nativeFromCredential(cred *Credential) (result *nativeCREDENTIAL) {
 	}
 	result.Persist = uint32(cred.Persist)
 	result.AttributeCount = uint32(len(cred.Attributes))
-	attributes := make([]nativeCREDENTIAL_ATTRIBUTE, len(cred.Attributes))
+	attributes := make([]sysCREDENTIAL_ATTRIBUTE, len(cred.Attributes))
 	if len(attributes) > 0 {
 		result.Attributes = uintptr(unsafe.Pointer(&attributes[0]))
 	} else {
 		result.Attributes = 0
 	}
-	for i, _ := range cred.Attributes {
+	for i := range cred.Attributes {
 		inAttr := &cred.Attributes[i]
 		outAttr := &attributes[i]
 		outAttr.Keyword, _ = syscall.UTF16PtrFromString(inAttr.Keyword)

vendor/github.com/danieljoos/wincred/conversion_unsupported.go

@@ -0,0 +1,11 @@
+// +build !windows
+
+package wincred
+
+func utf16ToByte(...interface{}) []byte {
+	return nil
+}
+
+func utf16FromString(...interface{}) []uint16 {
+	return nil
+}

vendor/github.com/danieljoos/wincred/go.mod

@@ -0,0 +1,5 @@
+module github.com/danieljoos/wincred
+
+go 1.13
+
+require github.com/stretchr/testify v1.5.1

vendor/github.com/danieljoos/wincred/go.sum

@@ -0,0 +1,12 @@
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
+github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

vendor/github.com/danieljoos/wincred/native.go

@@ -1,137 +0,0 @@
-package wincred
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-var (
-	modadvapi32 = syscall.NewLazyDLL("advapi32.dll")
-
-	procCredRead      proc = modadvapi32.NewProc("CredReadW")
-	procCredWrite     proc = modadvapi32.NewProc("CredWriteW")
-	procCredDelete    proc = modadvapi32.NewProc("CredDeleteW")
-	procCredFree      proc = modadvapi32.NewProc("CredFree")
-	procCredEnumerate proc = modadvapi32.NewProc("CredEnumerateW")
-)
-
-// Interface for syscall.Proc: helps testing
-type proc interface {
-	Call(a ...uintptr) (r1, r2 uintptr, lastErr error)
-}
-
-// http://msdn.microsoft.com/en-us/library/windows/desktop/aa374788(v=vs.85).aspx
-type nativeCREDENTIAL struct {
-	Flags              uint32
-	Type               uint32
-	TargetName         *uint16
-	Comment            *uint16
-	LastWritten        syscall.Filetime
-	CredentialBlobSize uint32
-	CredentialBlob     uintptr
-	Persist            uint32
-	AttributeCount     uint32
-	Attributes         uintptr
-	TargetAlias        *uint16
-	UserName           *uint16
-}
-
-// http://msdn.microsoft.com/en-us/library/windows/desktop/aa374790(v=vs.85).aspx
-type nativeCREDENTIAL_ATTRIBUTE struct {
-	Keyword   *uint16
-	Flags     uint32
-	ValueSize uint32
-	Value     uintptr
-}
-
-// http://msdn.microsoft.com/en-us/library/windows/desktop/aa374788(v=vs.85).aspx
-type nativeCRED_TYPE uint32
-
-const (
-	naCRED_TYPE_GENERIC                 nativeCRED_TYPE = 0x1
-	naCRED_TYPE_DOMAIN_PASSWORD         nativeCRED_TYPE = 0x2
-	naCRED_TYPE_DOMAIN_CERTIFICATE      nativeCRED_TYPE = 0x3
-	naCRED_TYPE_DOMAIN_VISIBLE_PASSWORD nativeCRED_TYPE = 0x4
-	naCRED_TYPE_GENERIC_CERTIFICATE     nativeCRED_TYPE = 0x5
-	naCRED_TYPE_DOMAIN_EXTENDED         nativeCRED_TYPE = 0x6
-
-	naERROR_NOT_FOUND = "Element not found."
-)
-
-// http://msdn.microsoft.com/en-us/library/windows/desktop/aa374804(v=vs.85).aspx
-func nativeCredRead(targetName string, typ nativeCRED_TYPE) (*Credential, error) {
-	var pcred uintptr
-	targetNamePtr, _ := syscall.UTF16PtrFromString(targetName)
-	ret, _, err := procCredRead.Call(
-		uintptr(unsafe.Pointer(targetNamePtr)),
-		uintptr(typ),
-		0,
-		uintptr(unsafe.Pointer(&pcred)),
-	)
-	if ret == 0 {
-		return nil, err
-	}
-	defer procCredFree.Call(pcred)
-
-	return nativeToCredential((*nativeCREDENTIAL)(unsafe.Pointer(pcred))), nil
-}
-
-// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375187(v=vs.85).aspx
-func nativeCredWrite(cred *Credential, typ nativeCRED_TYPE) error {
-	ncred := nativeFromCredential(cred)
-	ncred.Type = uint32(typ)
-	ret, _, err := procCredWrite.Call(
-		uintptr(unsafe.Pointer(ncred)),
-		0,
-	)
-	if ret == 0 {
-		return err
-	}
-
-	return nil
-}
-
-// http://msdn.microsoft.com/en-us/library/windows/desktop/aa374787(v=vs.85).aspx
-func nativeCredDelete(cred *Credential, typ nativeCRED_TYPE) error {
-	targetNamePtr, _ := syscall.UTF16PtrFromString(cred.TargetName)
-	ret, _, err := procCredDelete.Call(
-		uintptr(unsafe.Pointer(targetNamePtr)),
-		uintptr(typ),
-		0,
-	)
-	if ret == 0 {
-		return err
-	}
-
-	return nil
-}
-
-// https://msdn.microsoft.com/en-us/library/windows/desktop/aa374794(v=vs.85).aspx
-func nativeCredEnumerate(filter string, all bool) ([]*Credential, error) {
-	var count int
-	var pcreds uintptr
-	var filterPtr uintptr
-	if !all {
-		filterUtf16Ptr, _ := syscall.UTF16PtrFromString(filter)
-		filterPtr = uintptr(unsafe.Pointer(filterUtf16Ptr))
-	} else {
-		filterPtr = 0
-	}
-	ret, _, err := procCredEnumerate.Call(
-		filterPtr,
-		0,
-		uintptr(unsafe.Pointer(&count)),
-		uintptr(unsafe.Pointer(&pcreds)),
-	)
-	if ret == 0 {
-		return nil, err
-	}
-	defer procCredFree.Call(pcreds)
-	pcredsSlice := (*[1 << 30]uintptr)(unsafe.Pointer(pcreds))[:count:count]
-	creds := make([]*Credential, count)
-	for i := range creds {
-		creds[i] = nativeToCredential((*nativeCREDENTIAL)(unsafe.Pointer(pcredsSlice[i])))
-	}
-
-	return creds, nil
-}

vendor/github.com/danieljoos/wincred/sys.go

@@ -0,0 +1,143 @@
+// +build windows
+
+package wincred
+
+import (
+	"reflect"
+	"syscall"
+	"unsafe"
+)
+
+var (
+	modadvapi32 = syscall.NewLazyDLL("advapi32.dll")
+
+	procCredRead      proc = modadvapi32.NewProc("CredReadW")
+	procCredWrite     proc = modadvapi32.NewProc("CredWriteW")
+	procCredDelete    proc = modadvapi32.NewProc("CredDeleteW")
+	procCredFree      proc = modadvapi32.NewProc("CredFree")
+	procCredEnumerate proc = modadvapi32.NewProc("CredEnumerateW")
+)
+
+// Interface for syscall.Proc: helps testing
+type proc interface {
+	Call(a ...uintptr) (r1, r2 uintptr, lastErr error)
+}
+
+// https://docs.microsoft.com/en-us/windows/desktop/api/wincred/ns-wincred-_credentialw
+type sysCREDENTIAL struct {
+	Flags              uint32
+	Type               uint32
+	TargetName         *uint16
+	Comment            *uint16
+	LastWritten        syscall.Filetime
+	CredentialBlobSize uint32
+	CredentialBlob     uintptr
+	Persist            uint32
+	AttributeCount     uint32
+	Attributes         uintptr
+	TargetAlias        *uint16
+	UserName           *uint16
+}
+
+// https://docs.microsoft.com/en-us/windows/desktop/api/wincred/ns-wincred-_credential_attributew
+type sysCREDENTIAL_ATTRIBUTE struct {
+	Keyword   *uint16
+	Flags     uint32
+	ValueSize uint32
+	Value     uintptr
+}
+
+// https://docs.microsoft.com/en-us/windows/desktop/api/wincred/ns-wincred-_credentialw
+type sysCRED_TYPE uint32
+
+const (
+	sysCRED_TYPE_GENERIC                 sysCRED_TYPE = 0x1
+	sysCRED_TYPE_DOMAIN_PASSWORD         sysCRED_TYPE = 0x2
+	sysCRED_TYPE_DOMAIN_CERTIFICATE      sysCRED_TYPE = 0x3
+	sysCRED_TYPE_DOMAIN_VISIBLE_PASSWORD sysCRED_TYPE = 0x4
+	sysCRED_TYPE_GENERIC_CERTIFICATE     sysCRED_TYPE = 0x5
+	sysCRED_TYPE_DOMAIN_EXTENDED         sysCRED_TYPE = 0x6
+
+	// https://docs.microsoft.com/en-us/windows/desktop/Debug/system-error-codes
+	sysERROR_NOT_FOUND         = syscall.Errno(1168)
+	sysERROR_INVALID_PARAMETER = syscall.Errno(87)
+)
+
+// https://docs.microsoft.com/en-us/windows/desktop/api/wincred/nf-wincred-credreadw
+func sysCredRead(targetName string, typ sysCRED_TYPE) (*Credential, error) {
+	var pcred *sysCREDENTIAL
+	targetNamePtr, _ := syscall.UTF16PtrFromString(targetName)
+	ret, _, err := procCredRead.Call(
+		uintptr(unsafe.Pointer(targetNamePtr)),
+		uintptr(typ),
+		0,
+		uintptr(unsafe.Pointer(&pcred)),
+	)
+	if ret == 0 {
+		return nil, err
+	}
+	defer procCredFree.Call(uintptr(unsafe.Pointer(pcred)))
+
+	return sysToCredential(pcred), nil
+}
+
+// https://docs.microsoft.com/en-us/windows/desktop/api/wincred/nf-wincred-credwritew
+func sysCredWrite(cred *Credential, typ sysCRED_TYPE) error {
+	ncred := sysFromCredential(cred)
+	ncred.Type = uint32(typ)
+	ret, _, err := procCredWrite.Call(
+		uintptr(unsafe.Pointer(ncred)),
+		0,
+	)
+	if ret == 0 {
+		return err
+	}
+
+	return nil
+}
+
+// https://docs.microsoft.com/en-us/windows/desktop/api/wincred/nf-wincred-creddeletew
+func sysCredDelete(cred *Credential, typ sysCRED_TYPE) error {
+	targetNamePtr, _ := syscall.UTF16PtrFromString(cred.TargetName)
+	ret, _, err := procCredDelete.Call(
+		uintptr(unsafe.Pointer(targetNamePtr)),
+		uintptr(typ),
+		0,
+	)
+	if ret == 0 {
+		return err
+	}
+
+	return nil
+}
+
+// https://docs.microsoft.com/en-us/windows/desktop/api/wincred/nf-wincred-credenumeratew
+func sysCredEnumerate(filter string, all bool) ([]*Credential, error) {
+	var count int
+	var pcreds uintptr
+	var filterPtr *uint16
+	if !all {
+		filterPtr, _ = syscall.UTF16PtrFromString(filter)
+	}
+	ret, _, err := procCredEnumerate.Call(
+		uintptr(unsafe.Pointer(filterPtr)),
+		0,
+		uintptr(unsafe.Pointer(&count)),
+		uintptr(unsafe.Pointer(&pcreds)),
+	)
+	if ret == 0 {
+		return nil, err
+	}
+	defer procCredFree.Call(pcreds)
+	credsSlice := *(*[]*sysCREDENTIAL)(unsafe.Pointer(&reflect.SliceHeader{
+		Data: pcreds,
+		Len:  count,
+		Cap:  count,
+	}))
+	creds := make([]*Credential, count, count)
+	for i, cred := range credsSlice {
+		creds[i] = sysToCredential(cred)
+	}
+
+	return creds, nil
+}

vendor/github.com/danieljoos/wincred/sys_unsupported.go

@@ -0,0 +1,36 @@
+// +build !windows
+
+package wincred
+
+import (
+	"errors"
+	"syscall"
+)
+
+const (
+	sysCRED_TYPE_GENERIC                 = 0
+	sysCRED_TYPE_DOMAIN_PASSWORD         = 0
+	sysCRED_TYPE_DOMAIN_CERTIFICATE      = 0
+	sysCRED_TYPE_DOMAIN_VISIBLE_PASSWORD = 0
+	sysCRED_TYPE_GENERIC_CERTIFICATE     = 0
+	sysCRED_TYPE_DOMAIN_EXTENDED         = 0
+
+	sysERROR_NOT_FOUND         = syscall.Errno(1)
+	sysERROR_INVALID_PARAMETER = syscall.Errno(1)
+)
+
+func sysCredRead(...interface{}) (*Credential, error) {
+	return nil, errors.New("Operation not supported")
+}
+
+func sysCredWrite(...interface{}) error {
+	return errors.New("Operation not supported")
+}
+
+func sysCredDelete(...interface{}) error {
+	return errors.New("Operation not supported")
+}
+
+func sysCredEnumerate(...interface{}) ([]*Credential, error) {
+	return nil, errors.New("Operation not supported")
+}

vendor/github.com/danieljoos/wincred/types.go

@@ -4,19 +4,38 @@ import (
 	"time"
 )
 
+// CredentialPersistence describes one of three persistence modes of a credential.
+// A detailed description of the available modes can be found on
+// Docs: https://docs.microsoft.com/en-us/windows/desktop/api/wincred/ns-wincred-_credentialw
 type CredentialPersistence uint32
 
 const (
-	PersistSession      CredentialPersistence = 0x1
+	// PersistSession indicates that the credential only persists for the life
+	// of the current Windows login session. Such a credential is not visible in
+	// any other logon session, even from the same user.
+	PersistSession CredentialPersistence = 0x1
+
+	// PersistLocalMachine indicates that the credential persists for this and
+	// all subsequent logon sessions on this local machine/computer. It is
+	// however not visible for logon sessions of this user on a different
+	// machine.
 	PersistLocalMachine CredentialPersistence = 0x2
-	PersistEnterprise   CredentialPersistence = 0x3
+
+	// PersistEnterprise indicates that the credential persists for this and all
+	// subsequent logon sessions for this user. It is also visible for logon
+	// sessions on different computers.
+	PersistEnterprise CredentialPersistence = 0x3
 )
 
+// CredentialAttribute represents an application-specific attribute of a credential.
 type CredentialAttribute struct {
 	Keyword string
 	Value   []byte
 }
 
+// Credential is the basic credential structure.
+// A credential is identified by its target name.
+// The actual credential secret is available in the CredentialBlob field.
 type Credential struct {
 	TargetName     string
 	Comment        string
@@ -28,10 +47,23 @@ type Credential struct {
 	Persist        CredentialPersistence
 }
 
+// GenericCredential holds a credential for generic usage.
+// It is typically defined and used by applications that need to manage user
+// secrets.
+//
+// More information about the available kinds of credentials of the Windows
+// Credential Management API can be found on Docs:
+// https://docs.microsoft.com/en-us/windows/desktop/SecAuthN/kinds-of-credentials
 type GenericCredential struct {
 	Credential
 }
 
+// DomainPassword holds a domain credential that is typically used by the
+// operating system for user logon.
+//
+// More information about the available kinds of credentials of the Windows
+// Credential Management API can be found on Docs:
+// https://docs.microsoft.com/en-us/windows/desktop/SecAuthN/kinds-of-credentials
 type DomainPassword struct {
 	Credential
 }

vendor/github.com/danieljoos/wincred/wincred.go

@@ -1,19 +1,36 @@
+// Package wincred provides primitives for accessing the Windows Credentials Management API.
+// This includes functions for retrieval, listing and storage of credentials as well as Go structures for convenient access to the credential data.
+//
+// A more detailed description of Windows Credentials Management can be found on
+// Docs: https://docs.microsoft.com/en-us/windows/desktop/SecAuthN/credentials-management
 package wincred
 
-import (
-	"syscall"
+import "errors"
+
+const (
+	// ErrElementNotFound is the error that is returned if a requested element cannot be found.
+	// This error constant can be used to check if a credential could not be found.
+	ErrElementNotFound = sysERROR_NOT_FOUND
+
+	// ErrInvalidParameter is the error that is returned for invalid parameters.
+	// This error constant can be used to check if the given function parameters were invalid.
+	// For example when trying to create a new generic credential with an empty target name.
+	ErrInvalidParameter = sysERROR_INVALID_PARAMETER
 )
 
-// Get the generic credential with the given name from Windows credential manager
+// GetGenericCredential fetches the generic credential with the given name from Windows credential manager.
+// It returns nil and an error if the credential could not be found or an error occurred.
 func GetGenericCredential(targetName string) (*GenericCredential, error) {
-	cred, err := nativeCredRead(targetName, naCRED_TYPE_GENERIC)
+	cred, err := sysCredRead(targetName, sysCRED_TYPE_GENERIC)
 	if cred != nil {
 		return &GenericCredential{*cred}, err
 	}
 	return nil, err
 }
 
-// Create a new generic credential with the given name
+// NewGenericCredential creates a new generic credential object with the given name.
+// The persist mode of the newly created object is set to a default value that indicates local-machine-wide storage.
+// The credential object is NOT yet persisted to the Windows credential vault.
 func NewGenericCredential(targetName string) (result *GenericCredential) {
 	result = new(GenericCredential)
 	result.TargetName = targetName
@@ -21,28 +38,31 @@ func NewGenericCredential(targetName string) (result *GenericCredential) {
 	return
 }
 
-// Persist the credential to Windows credential manager
+// Write persists the generic credential object to Windows credential manager.
 func (t *GenericCredential) Write() (err error) {
-	err = nativeCredWrite(&t.Credential, naCRED_TYPE_GENERIC)
+	err = sysCredWrite(&t.Credential, sysCRED_TYPE_GENERIC)
 	return
 }
 
-// Delete the credential from Windows credential manager
+// Delete removes the credential object from Windows credential manager.
 func (t *GenericCredential) Delete() (err error) {
-	err = nativeCredDelete(&t.Credential, naCRED_TYPE_GENERIC)
+	err = sysCredDelete(&t.Credential, sysCRED_TYPE_GENERIC)
 	return
 }
 
-// Get the domain password credential with the given target host name
+// GetDomainPassword fetches the domain-password credential with the given target host name from Windows credential manager.
+// It returns nil and an error if the credential could not be found or an error occurred.
 func GetDomainPassword(targetName string) (*DomainPassword, error) {
-	cred, err := nativeCredRead(targetName, naCRED_TYPE_DOMAIN_PASSWORD)
+	cred, err := sysCredRead(targetName, sysCRED_TYPE_DOMAIN_PASSWORD)
 	if cred != nil {
 		return &DomainPassword{*cred}, err
 	}
 	return nil, err
 }
 
-// Create a new domain password credential used for login to the given target host name
+// NewDomainPassword creates a new domain-password credential used for login to the given target host name.
+// The  persist mode of the newly created object is set to a default value that indicates local-machine-wide storage.
+// The credential object is NOT yet persisted to the Windows credential vault.
 func NewDomainPassword(targetName string) (result *DomainPassword) {
 	result = new(DomainPassword)
 	result.TargetName = targetName
@@ -50,28 +70,39 @@ func NewDomainPassword(targetName string) (result *DomainPassword) {
 	return
 }
 
-// Persist the domain password credential to Windows credential manager
+// Write persists the domain-password credential to Windows credential manager.
 func (t *DomainPassword) Write() (err error) {
-	err = nativeCredWrite(&t.Credential, naCRED_TYPE_DOMAIN_PASSWORD)
+	err = sysCredWrite(&t.Credential, sysCRED_TYPE_DOMAIN_PASSWORD)
 	return
 }
 
-// Delete the domain password credential from Windows credential manager
+// Delete removes the domain-password credential from Windows credential manager.
 func (t *DomainPassword) Delete() (err error) {
-	err = nativeCredDelete(&t.Credential, naCRED_TYPE_DOMAIN_PASSWORD)
+	err = sysCredDelete(&t.Credential, sysCRED_TYPE_DOMAIN_PASSWORD)
 	return
 }
 
-// Set the CredentialBlob field of a domain password credential
-// using an UTF16 encoded password string
+// SetPassword sets the CredentialBlob field of a domain password credential to the given string.
 func (t *DomainPassword) SetPassword(pw string) {
-	t.CredentialBlob = utf16ToByte(syscall.StringToUTF16(pw))
+	t.CredentialBlob = utf16ToByte(utf16FromString(pw))
 }
 
-// List the contents of the Credentials store
+// List retrieves all credentials of the Credentials store.
 func List() ([]*Credential, error) {
-	creds, err := nativeCredEnumerate("", true)
-	if err != nil && err.Error() == naERROR_NOT_FOUND {
+	creds, err := sysCredEnumerate("", true)
+	if err != nil && errors.Is(err, ErrElementNotFound) {
+		// Ignore ERROR_NOT_FOUND and return an empty list instead
+		creds = []*Credential{}
+		err = nil
+	}
+	return creds, err
+}
+
+// FilteredList retrieves the list of credentials from the Credentials store that match the given filter.
+// The filter string defines the prefix followed by an asterisk for the `TargetName` attribute of the credentials.
+func FilteredList(filter string) ([]*Credential, error) {
+	creds, err := sysCredEnumerate(filter, false)
+	if err != nil && errors.Is(err, ErrElementNotFound) {
 		// Ignore ERROR_NOT_FOUND and return an empty list instead
 		creds = []*Credential{}
 		err = nil

vendor/golang.org/x/sys/AUTHORS

@@ -0,0 +1,3 @@
+# This source code refers to The Go Authors for copyright purposes.
+# The master list of authors is in the main Go distribution,
+# visible at http://tip.golang.org/AUTHORS.

vendor/golang.org/x/sys/CONTRIBUTORS

@@ -0,0 +1,3 @@
+# This source code was written by the Go contributors.
+# The master list of contributors is in the main Go distribution,
+# visible at http://tip.golang.org/CONTRIBUTORS.

vendor/golang.org/x/sys/LICENSE

@@ -0,0 +1,27 @@
+Copyright (c) 2009 The Go Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

vendor/golang.org/x/sys/PATENTS

@@ -0,0 +1,22 @@
+Additional IP Rights Grant (Patents)
+
+"This implementation" means the copyrightable works distributed by
+Google as part of the Go project.
+
+Google hereby grants to You a perpetual, worldwide, non-exclusive,
+no-charge, royalty-free, irrevocable (except as stated in this section)
+patent license to make, have made, use, offer to sell, sell, import,
+transfer and otherwise run, modify and propagate the contents of this
+implementation of Go, where such license applies only to those patent
+claims, both currently owned or controlled by Google and acquired in
+the future, licensable by Google that are necessarily infringed by this
+implementation of Go.  This grant does not include claims that would be
+infringed only as a consequence of further modification of this
+implementation.  If you or your agent or exclusive licensee institute or
+order or agree to the institution of patent litigation against any
+entity (including a cross-claim or counterclaim in a lawsuit) alleging
+that this implementation of Go or any code incorporated within this
+implementation of Go constitutes direct or contributory patent
+infringement, or inducement of patent infringement, then any patent
+rights granted to you under this License for this implementation of Go
+shall terminate as of the date such litigation is filed.

vendor/golang.org/x/sys/execabs/execabs.go

@@ -0,0 +1,102 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package execabs is a drop-in replacement for os/exec
+// that requires PATH lookups to find absolute paths.
+// That is, execabs.Command("cmd") runs the same PATH lookup
+// as exec.Command("cmd"), but if the result is a path
+// which is relative, the Run and Start methods will report
+// an error instead of running the executable.
+//
+// See https://blog.golang.org/path-security for more information
+// about when it may be necessary or appropriate to use this package.
+package execabs
+
+import (
+	"context"
+	"fmt"
+	"os/exec"
+	"path/filepath"
+	"reflect"
+	"unsafe"
+)
+
+// ErrNotFound is the error resulting if a path search failed to find an executable file.
+// It is an alias for exec.ErrNotFound.
+var ErrNotFound = exec.ErrNotFound
+
+// Cmd represents an external command being prepared or run.
+// It is an alias for exec.Cmd.
+type Cmd = exec.Cmd
+
+// Error is returned by LookPath when it fails to classify a file as an executable.
+// It is an alias for exec.Error.
+type Error = exec.Error
+
+// An ExitError reports an unsuccessful exit by a command.
+// It is an alias for exec.ExitError.
+type ExitError = exec.ExitError
+
+func relError(file, path string) error {
+	return fmt.Errorf("%s resolves to executable in current directory (.%c%s)", file, filepath.Separator, path)
+}
+
+// LookPath searches for an executable named file in the directories
+// named by the PATH environment variable. If file contains a slash,
+// it is tried directly and the PATH is not consulted. The result will be
+// an absolute path.
+//
+// LookPath differs from exec.LookPath in its handling of PATH lookups,
+// which are used for file names without slashes. If exec.LookPath's
+// PATH lookup would have returned an executable from the current directory,
+// LookPath instead returns an error.
+func LookPath(file string) (string, error) {
+	path, err := exec.LookPath(file)
+	if err != nil {
+		return "", err
+	}
+	if filepath.Base(file) == file && !filepath.IsAbs(path) {
+		return "", relError(file, path)
+	}
+	return path, nil
+}
+
+func fixCmd(name string, cmd *exec.Cmd) {
+	if filepath.Base(name) == name && !filepath.IsAbs(cmd.Path) {
+		// exec.Command was called with a bare binary name and
+		// exec.LookPath returned a path which is not absolute.
+		// Set cmd.lookPathErr and clear cmd.Path so that it
+		// cannot be run.
+		lookPathErr := (*error)(unsafe.Pointer(reflect.ValueOf(cmd).Elem().FieldByName("lookPathErr").Addr().Pointer()))
+		if *lookPathErr == nil {
+			*lookPathErr = relError(name, cmd.Path)
+		}
+		cmd.Path = ""
+	}
+}
+
+// CommandContext is like Command but includes a context.
+//
+// The provided context is used to kill the process (by calling os.Process.Kill)
+// if the context becomes done before the command completes on its own.
+func CommandContext(ctx context.Context, name string, arg ...string) *exec.Cmd {
+	cmd := exec.CommandContext(ctx, name, arg...)
+	fixCmd(name, cmd)
+	return cmd
+
+}
+
+// Command returns the Cmd struct to execute the named program with the given arguments.
+// See exec.Command for most details.
+//
+// Command differs from exec.Command in its handling of PATH lookups,
+// which are used when the program name contains no slashes.
+// If exec.Command would have returned an exec.Cmd configured to run an
+// executable from the current directory, Command instead
+// returns an exec.Cmd that will return an error from Start or Run.
+func Command(name string, arg ...string) *exec.Cmd {
+	cmd := exec.Command(name, arg...)
+	fixCmd(name, cmd)
+	return cmd
+}

vendor/modules.txt

@@ -0,0 +1,4 @@
+# github.com/danieljoos/wincred v1.1.0
+github.com/danieljoos/wincred
+# golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4
+golang.org/x/sys/execabs