Add support for ssh algorithms, compaitibale with old embeded devices

package.json

@@ -288,6 +288,32 @@
 									"bootstrap": {
 										"type": "string",
 										"description": "Content will be executed on the SSH host before the debugger call."
+									},
+									"algorithms": {
+										"type": "object",
+										"description": "This option allows you to explicitly override the default transport layer algorithms used for the connection.",
+										"properties": {
+											"cipher": {
+												"type": "array",
+												"description": "Ciphers."
+											},
+											"compress": {
+												"type": "array",
+												"description": "Compression algorithms."
+											},
+											"hmac": {
+												"type": "array",
+												"description": "(H)MAC algorithms."
+											},
+											"kex": {
+												"type": "array",
+												"description": "Key exchange algorithms."
+											},
+											"serverHostKey": {
+												"type": "array",
+												"description": "Server host key formats."
+											}
+										}
 									}
 								}
 							}

src/backend/backend.ts

@@ -47,6 +47,7 @@ export interface SSHArguments {
 	x11host: string;
 	bootstrap: string;
 	sourceFileMap: { [index: string]: string };
+	algorithms: any;
 }
 
 export interface IBackend {

src/backend/mi2/mi2.ts

@@ -135,6 +135,10 @@ export class MI2 extends EventEmitter implements IBackend {
 				connectionArgs.password = args.password;
 			}
 
+			if (args.algorithms) {
+				connectionArgs.algorithms = args.algorithms;
+			}
+
 			this.sshConn.on("ready", () => {
 				this.log("stdout", "Running " + this.application + " over ssh...");
 				const execArgs: any = {};
@@ -744,6 +748,9 @@ export class MI2 extends EventEmitter implements IBackend {
 		const result = await this.sendCommand(`stack-list-variables --thread ${thread} --frame ${frame} --simple-values`);
 		const variables = result.result("variables");
 		const ret: Variable[] = [];
+
+		this.log("stderr", "2333:" + JSON.stringify(variables));
+
 		for (const element of variables) {
 			const key = MINode.valueOf(element, "name");
 			const value = MINode.valueOf(element, "value");