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Add Support for Oracle protocol (#23892)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| /* | ||
| Copyright 2023 Gravitational, Inc. | ||
| 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 oracle | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "os" | ||
| "path/filepath" | ||
| "text/template" | ||
|
|
||
| "github.com/gravitational/trace" | ||
|
|
||
| "github.com/gravitational/teleport" | ||
| ) | ||
|
|
||
| type jdbcSettings struct { | ||
| KeyStoreFile string | ||
| TrustStoreFile string | ||
| KeyStorePassword string | ||
| TrustStorePassword string | ||
| } | ||
|
|
||
| const jdbcPropertiesTemplateContent = ` | ||
| javax.net.ssl.keyStore={{.KeyStoreFile}} | ||
| javax.net.ssl.trustStore={{.TrustStoreFile}} | ||
| javax.net.ssl.keyStorePassword={{.KeyStorePassword}} | ||
| javax.net.ssl.trustStorePassword={{.TrustStorePassword}} | ||
| javax.net.ssl.keyStoreType=jks | ||
| javax.net.ssl.trustStoreType=jks | ||
| oracle.net.authentication_services=TCPS | ||
| ` | ||
|
|
||
| type tnsNamesORASettings struct { | ||
| ServiceName string | ||
| Host string | ||
| Port string | ||
| } | ||
|
|
||
| const sqlnetORATemplateContent = ` | ||
| SSL_CLIENT_AUTHENTICATION = TRUE | ||
| SQLNET.AUTHENTICATION_SERVICES = (TCPS) | ||
| WALLET_LOCATION = | ||
| (SOURCE = | ||
| (METHOD = FILE) | ||
| (METHOD_DATA = | ||
| (DIRECTORY = {{.WalletDir}}) | ||
| ) | ||
| ) | ||
| ` | ||
|
|
||
| type sqlnetORASettings struct { | ||
| WalletDir string | ||
| } | ||
|
|
||
| const tnsnamesORATemplateContent = ` | ||
| {{.ServiceName}} = | ||
| (DESCRIPTION = | ||
| (ADDRESS_LIST = | ||
| (ADDRESS = (PROTOCOL = TCPS)(HOST = {{.Host}})(PORT = {{.Port}})) | ||
| ) | ||
| (CONNECT_DATA = | ||
| (SERVER = DEDICATED) | ||
| (SERVICE_NAME = {{.ServiceName}}) | ||
| ) | ||
| (SECURITY = | ||
| (SSL_SERVER_CERT_DN = "CN=localhost") | ||
| ) | ||
| ) | ||
| ` | ||
|
|
||
| var ( | ||
| jdbcPropertiesTemplate = template.Must(template.New("").Parse(jdbcPropertiesTemplateContent)) | ||
| sqlnetORATemplate = template.Must(template.New("").Parse(sqlnetORATemplateContent)) | ||
| tnsnamesORATemplate = template.Must(template.New("").Parse(tnsnamesORATemplateContent)) | ||
| ) | ||
|
|
||
| func (c jdbcSettings) template() *template.Template { return jdbcPropertiesTemplate } | ||
| func (c sqlnetORASettings) template() *template.Template { return sqlnetORATemplate } | ||
| func (c tnsNamesORASettings) template() *template.Template { return tnsnamesORATemplate } | ||
|
|
||
| func (c jdbcSettings) configFilename() string { return "ojdbc.properties" } | ||
| func (c sqlnetORASettings) configFilename() string { return "sqlnet.ora" } | ||
| func (c tnsNamesORASettings) configFilename() string { return "tnsnames.ora" } | ||
|
|
||
| type templateSettings interface { | ||
| template() *template.Template | ||
| configFilename() string | ||
| } | ||
|
|
||
| func writeSettings(settings templateSettings, dir string) error { | ||
| var buff bytes.Buffer | ||
| if err := settings.template().Execute(&buff, settings); err != nil { | ||
| return trace.Wrap(err) | ||
| } | ||
| filePath := filepath.Join(dir, settings.configFilename()) | ||
| if err := os.WriteFile(filePath, buff.Bytes(), teleport.FileMaskOwnerOnly); err != nil { | ||
| return trace.Wrap(err) | ||
| } | ||
| return nil | ||
| } |
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