Initial commit

go.mod

@@ -0,0 +1,8 @@
+module kstorecred
+
+go 1.17
+
+require (
+	github.com/danieljoos/wincred v1.1.2 // indirect
+	golang.org/x/sys v0.0.0-20210819135213-f52c844e1c1c // indirect
+)

go.sum

@@ -0,0 +1,10 @@
+github.com/danieljoos/wincred v1.1.2 h1:QLdCxFs1/Yl4zduvBdcHB8goaYk9RARS2SgLLRuAyr0=
+github.com/danieljoos/wincred v1.1.2/go.mod h1:GijpziifJoIBfYh+S7BbkdUTU4LfM+QnGqR5Vl2tAx0=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+golang.org/x/sys v0.0.0-20210819135213-f52c844e1c1c h1:Lyn7+CqXIiC+LOR9aHD6jDK+hPcmAuCfuXztd1v4w1Q=
+golang.org/x/sys v0.0.0-20210819135213-f52c844e1c1c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -0,0 +1,82 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/danieljoos/wincred"
+)
+
+const (
+	CRED_NAME   = "RBASH-KSTORE"
+	SECRET_NAME = "_AUTH_SECRET"
+)
+
+func usage(stdfd *os.File) {
+	_name := filepath.Base(os.Args[0])
+	_space := strings.Repeat(" ", len(_name))
+	fmt.Fprintf(stdfd, "Usage: %s get\n", _name)
+	fmt.Fprintf(stdfd, "       %s set passphrase\n", _space)
+	fmt.Fprintf(stdfd, "       %s help\n", _space)
+}
+
+func getAuthSecret() (*wincred.GenericCredential, error) {
+	cred, err := wincred.GetGenericCredential(CRED_NAME)
+	return cred, err
+}
+
+func delAuthSecret() error {
+	cred, _ := getAuthSecret()
+	if cred == nil {
+		return nil
+	}
+	return cred.Delete()
+}
+
+func setAuthSecret(newSecret string) error {
+	cred, _ := getAuthSecret()
+	if cred == nil {
+		cred = wincred.NewGenericCredential(CRED_NAME)
+	}
+
+	cred.CredentialBlob = []byte(newSecret)
+	return cred.Write()
+}
+
+func main() {
+	if len(os.Args) < 2 {
+		usage(os.Stderr)
+		os.Exit(1)
+	}
+
+	var err error
+	switch os.Args[1] {
+	case "get":
+		cred, _err := getAuthSecret()
+		if _err == nil {
+			fmt.Println(string(cred.CredentialBlob))
+			os.Exit(0)
+		}
+		err = _err
+	case "set":
+		if len(os.Args[2:]) < 1 {
+			err = errors.New("passphrase is required")
+		} else {
+			err = setAuthSecret(os.Args[2])
+		}
+	case "del":
+		err = delAuthSecret()
+	case "help":
+		usage(os.Stdout)
+	}
+
+	if err == nil {
+		os.Exit(0)
+	}
+
+	fmt.Fprintln(os.Stderr, err)
+	os.Exit(1)
+}