103 lines
3.2 KiB
Go
103 lines
3.2 KiB
Go
/*
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© Copyright IBM Corporation 2019
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package tls
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import (
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"fmt"
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"os"
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"path/filepath"
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"github.com/ibm-messaging/mq-container/internal/command"
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"github.com/ibm-messaging/mq-container/internal/keystore"
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)
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// webServerKeystoreName is the name of the web server Keystore
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const webServerKeystoreName = "default.p12"
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// ConfigureWebTLS configures TLS for the web server
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func ConfigureWebTLS(keyLabel string) error {
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// Return immediately if we have no certificate to use as identity
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if keyLabel == "" && os.Getenv("MQ_GENERATE_CERTIFICATE_HOSTNAME") == "" {
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return nil
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}
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webConfigDir := "/etc/mqm/web/installations/Installation1/servers/mqweb"
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tls := "tls.xml"
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tlsConfig := filepath.Join(webConfigDir, tls)
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newTLSConfig := filepath.Join(webConfigDir, tls+".tpl")
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err := os.Remove(tlsConfig)
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if err != nil {
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return fmt.Errorf("Failed to delete file %s: %v", tlsConfig, err)
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}
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// Symlink here to prevent issues on restart
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err = os.Symlink(newTLSConfig, tlsConfig)
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if err != nil {
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return fmt.Errorf("Failed to create symlink %s->%s: %v", newTLSConfig, tlsConfig, err)
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}
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mqmUID, mqmGID, err := command.LookupMQM()
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if err != nil {
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return fmt.Errorf("Failed to find mqm user or group: %v", err)
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}
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err = os.Chown(tlsConfig, mqmUID, mqmGID)
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if err != nil {
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return fmt.Errorf("Failed to change ownership of %s to mqm: %v", tlsConfig, err)
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}
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return nil
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}
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// ConfigureWebKeyStore configures the Web Keystore
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func ConfigureWebKeystore(p12Truststore KeyStoreData) (string, error) {
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webKeystore := filepath.Join(keystoreDir, webServerKeystoreName)
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// Check if a new self-signed certificate should be generated
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genHostName := os.Getenv("MQ_GENERATE_CERTIFICATE_HOSTNAME")
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if genHostName != "" {
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// Create the Web Keystore
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newWebKeystore := keystore.NewPKCS12KeyStore(webKeystore, p12Truststore.Password)
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err := newWebKeystore.Create()
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if err != nil {
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return "", fmt.Errorf("Failed to create Web Keystore %s: %v", webKeystore, err)
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}
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// Generate a new self-signed certificate in the Web Keystore
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err = newWebKeystore.CreateSelfSignedCertificate("default", fmt.Sprintf("CN=%s", genHostName), genHostName)
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if err != nil {
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return "", fmt.Errorf("Failed to generate certificate in Web Keystore %s with DN of 'CN=%s': %v", webKeystore, genHostName, err)
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}
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} else {
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// Check Web Keystore already exists
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_, err := os.Stat(webKeystore)
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if err != nil {
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return "", fmt.Errorf("Failed to find existing Web Keystore %s: %v", webKeystore, err)
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}
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}
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// Check Web Truststore already exists
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_, err := os.Stat(p12Truststore.Keystore.Filename)
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if err != nil {
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return "", fmt.Errorf("Failed to find existing Web Truststore %s: %v", p12Truststore.Keystore.Filename, err)
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}
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return webServerKeystoreName, nil
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}
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