--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/COPYING	Mon Oct 26 14:19:24 2020 +0100
@@ -0,0 +1,20 @@
+Copyright (C) 2020 Guido Berhoerster <guido+sievemgr@berhoerster.name>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmd/sievemgr/activate.go	Mon Oct 26 14:19:24 2020 +0100
@@ -0,0 +1,81 @@
+// Copyright (C) 2020 Guido Berhoerster <guido+managesieve@berhoerster.name>
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+package main
+
+import (
+	"net"
+)
+
+func init() {
+	cmdActivate.Flag.StringVar(&username, "u", "", "Set the username")
+	cmdActivate.Flag.StringVar(&passwordFilename, "P", "",
+		"Set the name of the password file")
+	cmdDeactivate.Flag.StringVar(&username, "u", "", "Set the username")
+	cmdDeactivate.Flag.StringVar(&passwordFilename, "P", "",
+		"Set the name of the password file")
+}
+
+var cmdActivate = &command{
+	UsageLine: "activate [options] host[:port] name",
+	Run:       runActivate,
+}
+
+var cmdDeactivate = &command{
+	UsageLine: "deactivate [options] host[:port]",
+	Run:       runActivate,
+}
+
+func runActivate(cmd *command, args []string) error {
+	if (cmd.Name() == "activate" && len(args) != 2) ||
+		(cmd.Name() == "deactivate" && len(args) != 1) {
+		return usageError("invalid number of arguments")
+	}
+
+	host, port, err := parseHostPort(args[0])
+	if err != nil {
+		return err
+	}
+
+	var scriptName string
+	if len(args) > 1 {
+		scriptName = args[1]
+	}
+
+	username, password, err := usernamePassword(host, port, username,
+		passwordFilename)
+	if err != nil {
+		return err
+	}
+
+	c, err := dialPlainAuth(net.JoinHostPort(host, port), username,
+		password)
+	if err != nil {
+		return err
+	}
+	defer c.Logout()
+
+	if err := c.ActivateScript(scriptName); err != nil {
+		return err
+	}
+
+	return nil
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmd/sievemgr/command.go	Mon Oct 26 14:19:24 2020 +0100
@@ -0,0 +1,45 @@
+// Copyright (C) 2020 Guido Berhoerster <guido+managesieve@berhoerster.name>
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+package main
+
+import (
+	"flag"
+	"fmt"
+	"strings"
+)
+
+type command struct {
+	UsageLine string
+	Flag      flag.FlagSet
+	Run       func(cmd *command, args []string) error
+}
+
+func (c *command) Usage() {
+	fmt.Fprintf(flag.CommandLine.Output(), "usage:\n  %s %s\n",
+		flag.CommandLine.Name(), c.UsageLine)
+	fmt.Fprintln(flag.CommandLine.Output(), "options:")
+	c.Flag.PrintDefaults()
+}
+
+func (c *command) Name() string {
+	return strings.SplitN(strings.Trim(c.UsageLine, " "), " ", 2)[0]
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmd/sievemgr/common.go	Mon Oct 26 14:19:24 2020 +0100
@@ -0,0 +1,192 @@
+// Copyright (C) 2020 Guido Berhoerster <guido+managesieve@berhoerster.name>
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+package main
+
+import (
+	"bufio"
+	"crypto/tls"
+	"errors"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net"
+	"os"
+	"os/user"
+	"runtime"
+	"strings"
+
+	"go.guido-berhoerster.org/managesieve"
+	"golang.org/x/crypto/ssh/terminal"
+)
+
+var errTooBig = errors.New("too big")
+
+func parseHostPort(s string) (string, string, error) {
+	var host string
+	host, port, err := net.SplitHostPort(s)
+	if err != nil {
+		// error may be due to a missing port but there is no usable
+		// error value to test for, thus try again with a port added
+		var tmpErr error
+		host, _, tmpErr = net.SplitHostPort(s + ":4190")
+		if tmpErr != nil {
+			return "", "", err
+		}
+	}
+	if port == "" {
+		// no port given, try to look up a SRV record for given domain
+		// and fall back to the domain and port 4190
+		services, err := managesieve.LookupService(host)
+		if err != nil {
+			return "", "", err
+		}
+		host, port, err = net.SplitHostPort(services[0])
+		if err != nil {
+			return "", "", err
+		}
+	}
+	return host, port, nil
+}
+
+func readPassword() (string, error) {
+	var tty *os.File
+	var fd int
+	var w io.Writer
+	if runtime.GOOS == "windows" {
+		fd = int(os.Stdin.Fd())
+		w = os.Stdout
+	} else {
+		var err error
+		tty, err = os.OpenFile("/dev/tty", os.O_RDWR, 0666)
+		if err != nil {
+			return "", err
+		}
+		defer tty.Close()
+		fd = int(tty.Fd())
+		w = tty
+	}
+
+	io.WriteString(w, "Password: ")
+	rawPassword, err := terminal.ReadPassword(fd)
+	io.WriteString(w, "\n")
+	if err != nil {
+		return "", fmt.Errorf("failed to read password: %s", err)
+	}
+	password := string(rawPassword)
+	if password == "" {
+		return "", fmt.Errorf("invalid password")
+	}
+	return password, nil
+}
+
+func readPasswordFile(filename string) (string, error) {
+	f, err := os.Open(filename)
+	if err != nil {
+		return "", err
+	}
+	defer f.Close()
+	scanner := bufio.NewScanner(f)
+	if !scanner.Scan() {
+		err := scanner.Err()
+		if err == nil {
+			err = fmt.Errorf("failed to read from %q: unexpected EOF",
+				filename)
+		}
+		return "", err
+	}
+	password := scanner.Text()
+	if password == "" {
+		return "", fmt.Errorf("invalid password")
+	}
+	return password, nil
+}
+
+func usernamePassword(host, port, username, passwordFile string) (string, string, error) {
+	// fall back to the system username
+	if username == "" {
+		u, err := user.Current()
+		if err != nil {
+			return "", "",
+				fmt.Errorf("failed to obtain username: %s", err)
+		}
+		username = u.Username
+	}
+
+	var password string
+	var err error
+	if passwordFile != "" {
+		password, err = readPasswordFile(passwordFilename)
+	} else {
+		password, err = readPassword()
+	}
+	if err != nil {
+		return "", "", err
+	}
+
+	return username, password, nil
+}
+
+func dialPlainAuth(hostport, username, password string) (*managesieve.Client, error) {
+	c, err := managesieve.Dial(hostport)
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect: %s", err)
+	}
+
+	host, _, _ := net.SplitHostPort(hostport)
+	// switch to a TLS connection except for localhost
+	if host != "localhost" && host != "127.0.0.1" && host != "::1" {
+		tlsConf := &tls.Config{
+			ServerName:         host,
+			InsecureSkipVerify: skipCertVerify,
+		}
+		if err := c.StartTLS(tlsConf); err != nil {
+			return nil,
+				fmt.Errorf("failed to start TLS connection: %s",
+					err)
+		}
+	}
+
+	auth := managesieve.PlainAuth("", username, password, host)
+	if err := c.Authenticate(auth); err != nil {
+		return nil, fmt.Errorf("failed to authenticate user %s: %s",
+			username, err)
+	}
+
+	return c, nil
+}
+
+func readLimitedString(r io.Reader, n int64) (string, error) {
+	var s strings.Builder
+	_, err := io.CopyN(&s, r, n)
+	if err == nil {
+		// check for EOF
+		_, err = io.CopyN(ioutil.Discard, r, 1)
+		if err == nil {
+			return s.String(), errTooBig
+		}
+	}
+	if err != io.EOF {
+		return s.String(), err
+	}
+
+	return s.String(), nil
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmd/sievemgr/delete.go	Mon Oct 26 14:19:24 2020 +0100
@@ -0,0 +1,69 @@
+// Copyright (C) 2020 Guido Berhoerster <guido+managesieve@berhoerster.name>
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+package main
+
+import (
+	"net"
+)
+
+func init() {
+	cmdDelete.Flag.StringVar(&username, "u", "", "Set the username")
+	cmdDelete.Flag.StringVar(&passwordFilename, "P", "",
+		"Set the name of the password file")
+}
+
+var cmdDelete = &command{
+	UsageLine: "delete [options] host[:port] name",
+	Run:       runDelete,
+}
+
+func runDelete(cmd *command, args []string) error {
+	if len(args) != 2 {
+		return usageError("invalid number of arguments")
+	}
+
+	host, port, err := parseHostPort(args[0])
+	if err != nil {
+		return err
+	}
+
+	scriptName := args[1]
+
+	username, password, err := usernamePassword(host, port, username,
+		passwordFilename)
+	if err != nil {
+		return err
+	}
+
+	c, err := dialPlainAuth(net.JoinHostPort(host, port), username,
+		password)
+	if err != nil {
+		return err
+	}
+	defer c.Logout()
+
+	if err := c.DeleteScript(scriptName); err != nil {
+		return err
+	}
+
+	return nil
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmd/sievemgr/get.go	Mon Oct 26 14:19:24 2020 +0100
@@ -0,0 +1,72 @@
+// Copyright (C) 2020 Guido Berhoerster <guido+managesieve@berhoerster.name>
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+package main
+
+import (
+	"net"
+	"os"
+)
+
+func init() {
+	cmdGet.Flag.StringVar(&username, "u", "", "Set the username")
+	cmdGet.Flag.StringVar(&passwordFilename, "P", "",
+		"Set the name of the password file")
+}
+
+var cmdGet = &command{
+	UsageLine: "get [options] host[:port] name",
+	Run:       runGet,
+}
+
+func runGet(cmd *command, args []string) error {
+	if len(args) != 2 {
+		return usageError("invalid number of arguments")
+	}
+
+	host, port, err := parseHostPort(args[0])
+	if err != nil {
+		return err
+	}
+
+	scriptName := args[1]
+
+	username, password, err := usernamePassword(host, port, username,
+		passwordFilename)
+	if err != nil {
+		return err
+	}
+
+	c, err := dialPlainAuth(net.JoinHostPort(host, port), username,
+		password)
+	if err != nil {
+		return err
+	}
+	defer c.Logout()
+
+	script, err := c.GetScript(scriptName)
+	if err != nil {
+		return err
+	}
+	os.Stdout.WriteString(script)
+
+	return nil
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmd/sievemgr/info.go	Mon Oct 26 14:19:24 2020 +0100
@@ -0,0 +1,84 @@
+// Copyright (C) 2020 Guido Berhoerster <guido+managesieve@berhoerster.name>
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+package main
+
+import (
+	"fmt"
+	"net"
+)
+
+func init() {
+	cmdInfo.Flag.StringVar(&username, "u", "", "Set the username")
+	cmdInfo.Flag.StringVar(&passwordFilename, "P", "",
+		"Set the name of the password file")
+}
+
+var cmdInfo = &command{
+	UsageLine: "info [options] host[:port]",
+	Run:       runInfo,
+}
+
+func runInfo(cmd *command, args []string) error {
+	if len(args) != 1 {
+		return usageError("invalid number of arguments")
+	}
+
+	host, port, err := parseHostPort(args[0])
+	if err != nil {
+		return err
+	}
+
+	username, password, err := usernamePassword(host, port, username,
+		passwordFilename)
+	if err != nil {
+		return err
+	}
+
+	c, err := dialPlainAuth(net.JoinHostPort(host, port), username,
+		password)
+	if err != nil {
+		return err
+	}
+	defer c.Logout()
+
+	fmt.Println(net.JoinHostPort(host, port))
+	if c.SupportsRFC5804() {
+		fmt.Println("RFC5804 supported")
+	}
+	if c.SupportsTLS() {
+		fmt.Println("STARTTLS supported")
+	}
+	fmt.Printf("SASL mechanisms:\n")
+	for _, m := range c.SASLMechanisms() {
+		fmt.Printf("  %s\n", m)
+	}
+	fmt.Printf("Extensions:\n")
+	for _, e := range c.Extensions() {
+		fmt.Printf("  %s\n", e)
+	}
+	fmt.Printf("Notification methods:\n")
+	for _, m := range c.NotifyMethods() {
+		fmt.Printf("  %s\n", m)
+	}
+
+	return nil
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmd/sievemgr/list.go	Mon Oct 26 14:19:24 2020 +0100
@@ -0,0 +1,77 @@
+// Copyright (C) 2020 Guido Berhoerster <guido+managesieve@berhoerster.name>
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+package main
+
+import (
+	"fmt"
+	"net"
+)
+
+func init() {
+	cmdList.Flag.StringVar(&username, "u", "", "Set the username")
+	cmdList.Flag.StringVar(&passwordFilename, "P", "",
+		"Set the name of the password file")
+}
+
+var cmdList = &command{
+	UsageLine: "list [options] host[:port]",
+	Run:       runList,
+}
+
+func runList(cmd *command, args []string) error {
+	if len(args) != 1 {
+		return usageError("invalid number of arguments")
+	}
+
+	host, port, err := parseHostPort(args[0])
+	if err != nil {
+		return err
+	}
+
+	username, password, err := usernamePassword(host, port, username,
+		passwordFilename)
+	if err != nil {
+		return err
+	}
+
+	c, err := dialPlainAuth(net.JoinHostPort(host, port), username,
+		password)
+	if err != nil {
+		return err
+	}
+	defer c.Logout()
+
+	scripts, active, _ := c.ListScripts()
+	if err != nil {
+		return err
+	}
+	fmt.Println("ACTIVE  SCRIPT")
+	for _, script := range scripts {
+		isActive := "no"
+		if script == active {
+			isActive = "yes"
+		}
+		fmt.Printf("%-3s     %s\n", isActive, script)
+	}
+
+	return nil
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmd/sievemgr/main.go	Mon Oct 26 14:19:24 2020 +0100
@@ -0,0 +1,116 @@
+// Copyright (C) 2020 Guido Berhoerster <guido+managesieve@berhoerster.name>
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+package main
+
+import (
+	"errors"
+	"flag"
+	"fmt"
+	"os"
+)
+
+const (
+	exitSuccess = iota
+	exitFailure
+	exitUsage
+)
+
+type usageError string
+
+func (e usageError) Error() string {
+	return string(e)
+}
+
+var (
+	skipCertVerify   bool
+	username         string
+	passwordFilename string
+)
+
+var cmds = []*command{
+	cmdList,
+	cmdPut,
+	cmdGet,
+	cmdActivate,
+	cmdDeactivate,
+	cmdDelete,
+	cmdInfo,
+}
+
+func usage() {
+	fmt.Fprintf(flag.CommandLine.Output(),
+		"usage:\n  %s [options] [subcommand [options] [arguments]]\n",
+		flag.CommandLine.Name())
+	fmt.Fprintln(flag.CommandLine.Output(), "subcommands:")
+	for _, cmd := range cmds {
+		fmt.Fprintf(flag.CommandLine.Output(), "  %s\n", cmd.Name())
+	}
+	fmt.Fprintln(flag.CommandLine.Output(), "global options:")
+	flag.PrintDefaults()
+}
+
+func main() {
+	flag.Usage = usage
+	flag.BoolVar(&skipCertVerify, "I", false,
+		"Skip TLS certificate verification")
+	flag.Parse()
+	if flag.NArg() == 0 {
+		fmt.Fprintln(flag.CommandLine.Output(), "missing subcommand")
+		usage()
+		os.Exit(exitUsage)
+	}
+
+	name := flag.Arg(0)
+	var cmd *command
+	for _, c := range cmds {
+		if c.Name() == name {
+			cmd = c
+			break
+		}
+	}
+	if cmd == nil {
+		fmt.Fprintf(flag.CommandLine.Output(),
+			"unknown subcommand %q\n", name)
+		usage()
+		os.Exit(exitUsage)
+	}
+
+	cmd.Flag.Init(cmd.Name(), flag.ExitOnError)
+	cmd.Flag.Usage = cmd.Usage
+	args := flag.Args()
+	if err := cmd.Flag.Parse(args[1:]); err != nil {
+		fmt.Fprintln(flag.CommandLine.Output(), err)
+		os.Exit(exitFailure)
+	}
+
+	if err := cmd.Run(cmd, cmd.Flag.Args()); err != nil {
+		fmt.Fprintln(flag.CommandLine.Output(), err)
+
+		var uerr usageError
+		if errors.As(err, &uerr) {
+			cmd.Usage()
+			os.Exit(exitUsage)
+		}
+
+		os.Exit(exitFailure)
+	}
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmd/sievemgr/put.go	Mon Oct 26 14:19:24 2020 +0100
@@ -0,0 +1,93 @@
+// Copyright (C) 2020 Guido Berhoerster <guido+managesieve@berhoerster.name>
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+package main
+
+import (
+	"fmt"
+	"io"
+	"net"
+	"os"
+
+	"go.guido-berhoerster.org/managesieve"
+)
+
+func init() {
+	cmdPut.Flag.StringVar(&username, "u", "", "Set the username")
+	cmdPut.Flag.StringVar(&passwordFilename, "P", "",
+		"Set the name of the password file")
+}
+
+var cmdPut = &command{
+	UsageLine: "put [options] host[:port] name [file]",
+	Run:       runPut,
+}
+
+func runPut(cmd *command, args []string) error {
+	var scriptName string
+	var r io.Reader = os.Stdin
+	var host, port string
+	var err error
+	switch len(args) {
+	case 3: // name and filename
+		scriptFile, err := os.Open(args[2])
+		if err != nil {
+			return fmt.Errorf("failed to open script file: %s\n",
+				err)
+		}
+		defer scriptFile.Close()
+		r = scriptFile
+		fallthrough
+	case 2: // only name
+		host, port, err = parseHostPort(args[0])
+		if err != nil {
+			return err
+		}
+
+		scriptName = args[1]
+	default:
+		return usageError("invalid number of arguments")
+	}
+
+	script, err := readLimitedString(r, managesieve.ReadLimit)
+	if err != nil {
+		return fmt.Errorf("failed to read script: %s\n", err)
+	}
+
+	username, password, err := usernamePassword(host, port, username,
+		passwordFilename)
+	if err != nil {
+		return err
+	}
+
+	c, err := dialPlainAuth(net.JoinHostPort(host, port), username,
+		password)
+	if err != nil {
+		return err
+	}
+	defer c.Logout()
+
+	if err := c.PutScript(scriptName, script); err != nil {
+		return err
+	}
+
+	return nil
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/go.mod	Mon Oct 26 14:19:24 2020 +0100
@@ -0,0 +1,8 @@
+module go.guido-berhoerster.org/sievemgr
+
+go 1.14
+
+require (
+	go.guido-berhoerster.org/managesieve v0.0.0-20201026131555-3fe1614de42c
+	golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897
+)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/go.sum	Mon Oct 26 14:19:24 2020 +0100
@@ -0,0 +1,12 @@
+go.guido-berhoerster.org/managesieve v0.0.0-20201026131555-3fe1614de42c h1:4HErjjy83de5F6xWn9Fd+N31KDJh0h1jibO6n0Ye6lw=
+go.guido-berhoerster.org/managesieve v0.0.0-20201026131555-3fe1614de42c/go.mod h1:uvqvWGFO2zONQiEQuDNH37Mg2pM7gTsDZSXtBOSmj98=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20200709230013-948cd5f35899/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897 h1:pLI5jrR7OSLijeIDcmRxNmw2api+jEfxLoykJVice/E=
+golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
+golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=