Allow configs to get properties from ssh_config files

package.json

@@ -275,6 +275,16 @@
                     "items": "string",
                     "default": []
                 },
+                "sshfs.paths.ssh": {
+                    "title": "A list of file locations to load ssh_config (OpenSSH) config files from",
+                    "description": "Location of ssh_config files to load configs from",
+                    "type": "array",
+                    "items": "string",
+                    "default": [
+                        "$HOME/.ssh/config",
+                        "/etc/ssh/ssh_config"
+                    ]
+                },
                 "sshfs.configs": {
                     "title": "A list of SSH FS configurations",
                     "description": "Use the Settings UI to edit configurations (run command SSH FS: Open settings and edit configurations)",
@@ -345,4 +355,4 @@
         "ssh2": "^0.8.9",
         "winreg": "^1.2.4"
     }
-}
+}

src/connect.ts

@@ -112,6 +112,20 @@ export async function calculateActualConfig(config: FileSystemConfig): Promise<F
     }
     logging.debug(`\tReading PuTTY configuration lead to the following configuration:\n${JSON.stringify(config, null, 4)}`);
   }
+  if (config.sshConfig) {
+    await promptFields(config, 'host');
+    let paths = vscode.workspace.getConfiguration('sshfs').get<string[]>('paths.ssh');
+    if (!paths) {
+      logging.debug('No value defined for sshfs.paths.ssh setting?');
+      paths = [];
+    }
+    if (!paths.length) {
+      logging.error('Option \'sshConfig\' is set but the \'sshfs.paths.ssh\' setting has no paths');
+    }
+    const { buildHolder, fillFileSystemConfig } = await import('./ssh-config');
+    const holder = await buildHolder(paths);
+    await fillFileSystemConfig(config, holder);
+  }
   if (config.privateKeyPath) {
     try {
       const key = await toPromise<Buffer>(cb => readFile(config.privateKeyPath!, cb));

src/fileSystemConfig.ts

@@ -86,6 +86,8 @@ export interface FileSystemConfig extends ConnectConfig {
   root?: string;
   /** A name of a PuTTY session, or `true` to find the PuTTY session from the host address  */
   putty?: string | boolean;
+  /** Whether to parse ssh_config files (listed by the VS Code setting `sshfs.paths.ssh`) for extra parameters, e.g. Port */
+  sshConfig?: boolean;
   /** Optional object defining a proxy to use */
   proxy?: ProxyConfig;
   /** Optional path to a private keyfile to authenticate with */