[Init] Initial commit - NetMesh terminal manager

electron/bridges/sshIdentificationCompatibility.test.cjs

@@ -0,0 +1,46 @@
+const test = require("node:test");
+const assert = require("node:assert/strict");
+
+const Protocol = require("ssh2/lib/protocol/Protocol");
+
+function parseIdentification(line) {
+  let header;
+  const protocol = new Protocol({
+    onWrite() {},
+    onError(err) {
+      throw err;
+    },
+    onHeader(nextHeader) {
+      header = nextHeader;
+    },
+  });
+
+  const data = Buffer.from(`${line}\r\n`, "latin1");
+  protocol.parse(data, 0, data.length);
+
+  assert.ok(header, "expected SSH header to be parsed");
+  return header;
+}
+
+test("ssh2 accepts an empty softwareversion for compatibility", () => {
+  const header = parseIdentification("SSH-2.0-");
+
+  assert.equal(header.versions.protocol, "2.0");
+  assert.equal(header.versions.software, "");
+  assert.equal(header.comments, undefined);
+});
+
+test("ssh2 still accepts standard identification strings", () => {
+  const header = parseIdentification("SSH-2.0-OpenSSH_9.9 Netcatty");
+
+  assert.equal(header.versions.protocol, "2.0");
+  assert.equal(header.versions.software, "OpenSSH_9.9");
+  assert.equal(header.comments, "Netcatty");
+});
+
+test("ssh2 still rejects malformed identification strings", () => {
+  assert.throws(
+    () => parseIdentification("SSH-2.0"),
+    /Invalid identification string/,
+  );
+});