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// Copyright 2015 Matthew Holt and The Caddy Authors
//
// 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.
package caddypki
import (
"flag"
"fmt"
"os"
"path/filepath"
"github.com/caddyserver/caddy/v2"
caddycmd "github.com/caddyserver/caddy/v2/cmd"
"github.com/smallstep/truststore"
)
func init() {
caddycmd.RegisterCommand(caddycmd.Command{
Name: "untrust",
Func: cmdUntrust,
Usage: "[--ca <id> | --cert <path>]",
Short: "Untrusts a locally-trusted CA certificate",
Long: `
Untrusts a root certificate from the local trust store(s). Intended
for development environments only.
This command uninstalls trust; it does not necessarily delete the
root certificate from trust stores entirely. Thus, repeatedly
trusting and untrusting new certificates can fill up trust databases.
This command does not delete or modify certificate files.
Specify which certificate to untrust either by the ID of its CA with
the --ca flag, or the direct path to the certificate file with the
--cert flag. If the --ca flag is used, only the default storage paths
are assumed (i.e. using --ca flag with custom storage backends or file
paths will not work).
If no flags are specified, --ca=local is assumed.`,
Flags: func() *flag.FlagSet {
fs := flag.NewFlagSet("untrust", flag.ExitOnError)
fs.String("ca", "", "The ID of the CA to untrust")
fs.String("cert", "", "The path to the CA certificate to untrust")
return fs
}(),
})
}
func cmdUntrust(fs caddycmd.Flags) (int, error) {
ca := fs.String("ca")
cert := fs.String("cert")
if ca != "" && cert != "" {
return caddy.ExitCodeFailedStartup, fmt.Errorf("conflicting command line arguments")
}
if ca == "" && cert == "" {
ca = defaultCAID
}
if ca != "" {
cert = filepath.Join(caddy.AppDataDir(), "pki", "authorities", ca, "root.crt")
}
// sanity check, make sure cert file exists first
_, err := os.Stat(cert)
if err != nil {
return caddy.ExitCodeFailedStartup, fmt.Errorf("accessing certificate file: %v", err)
}
err = truststore.UninstallFile(cert,
truststore.WithDebug(),
truststore.WithFirefox(),
truststore.WithJava())
if err != nil {
return caddy.ExitCodeFailedStartup, err
}
return caddy.ExitCodeSuccess, nil
}
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