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inspector: proper WS URLs when bound to 0.0.0.0
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JSON target list response will now return appropriate IP address
for instances listening on 0.0.0.0.

Refs: #11591
PR-URL: #11755
Reviewed-By: James Snell <[email protected]>
Reviewed-By: Ben Noordhuis <[email protected]>
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Eugene Ostroukhov committed Mar 13, 2017
1 parent 608ea94 commit b170fb7
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Showing 4 changed files with 99 additions and 16 deletions.
26 changes: 25 additions & 1 deletion src/inspector_socket_server.cc
Original file line number Diff line number Diff line change
Expand Up @@ -139,6 +139,28 @@ void SendProtocolJson(InspectorSocket* socket) {
SendHttpResponse(socket, data);
}

int GetSocketHost(uv_tcp_t* socket, std::string* out_host) {
char ip[INET6_ADDRSTRLEN];
sockaddr_storage addr;
int len = sizeof(addr);
int err = uv_tcp_getsockname(socket,
reinterpret_cast<struct sockaddr*>(&addr),
&len);
if (err != 0)
return err;
if (addr.ss_family == AF_INET6) {
const sockaddr_in6* v6 = reinterpret_cast<const sockaddr_in6*>(&addr);
err = uv_ip6_name(v6, ip, sizeof(ip));
} else {
const sockaddr_in* v4 = reinterpret_cast<const sockaddr_in*>(&addr);
err = uv_ip4_name(v4, ip, sizeof(ip));
}
if (err != 0)
return err;
*out_host = ip;
return err;
}

int GetPort(uv_tcp_t* socket, int* out_port) {
sockaddr_storage addr;
int len = sizeof(addr);
Expand Down Expand Up @@ -341,7 +363,9 @@ void InspectorSocketServer::SendListResponse(InspectorSocket* socket) {
}
}
if (!connected) {
std::string address = GetWsUrl(host_, port_, id);
std::string host;
GetSocketHost(&socket->client, &host);
std::string address = GetWsUrl(host, port_, id);
std::ostringstream frontend_url;
frontend_url << "chrome-devtools://devtools/bundled";
frontend_url << "/inspector.html?experiments=true&v8only=true&ws=";
Expand Down
25 changes: 16 additions & 9 deletions test/inspector/inspector-helper.js
Original file line number Diff line number Diff line change
Expand Up @@ -80,8 +80,8 @@ function tearDown(child, err) {
}
}

function checkHttpResponse(port, path, callback) {
http.get({port, path}, function(res) {
function checkHttpResponse(host, port, path, callback, errorcb) {
const req = http.get({host, port, path}, function(res) {
let response = '';
res.setEncoding('utf8');
res
Expand All @@ -98,6 +98,8 @@ function checkHttpResponse(port, path, callback) {
callback(err, json);
});
});
if (errorcb)
req.on('error', errorcb);
}

function makeBufferingDataCallback(dataCallback) {
Expand Down Expand Up @@ -295,7 +297,7 @@ TestSession.prototype.disconnect = function(childDone) {

TestSession.prototype.testHttpResponse = function(path, check) {
return this.enqueue((callback) =>
checkHttpResponse(this.harness_.port, path, (err, response) => {
checkHttpResponse(null, this.harness_.port, path, (err, response) => {
check.call(this, err, response);
callback();
}));
Expand Down Expand Up @@ -361,12 +363,17 @@ Harness.prototype.enqueue_ = function(task) {
return this;
};

Harness.prototype.testHttpResponse = function(path, check) {
Harness.prototype.testHttpResponse = function(host, path, check, errorcb) {
return this.enqueue_((doneCallback) => {
checkHttpResponse(this.port, path, (err, response) => {
check.call(this, err, response);
doneCallback();
});
function wrap(callback) {
if (callback) {
return function() {
callback(...arguments);
doneCallback();
};
}
}
checkHttpResponse(host, this.port, path, wrap(check), wrap(errorcb));
});
};

Expand Down Expand Up @@ -404,7 +411,7 @@ Harness.prototype.wsHandshake = function(devtoolsUrl, tests, readyCallback) {

Harness.prototype.runFrontendSession = function(tests) {
return this.enqueue_((callback) => {
checkHttpResponse(this.port, '/json/list', (err, response) => {
checkHttpResponse(null, this.port, '/json/list', (err, response) => {
assert.ifError(err);
this.wsHandshake(response[0]['webSocketDebuggerUrl'], tests, callback);
});
Expand Down
52 changes: 52 additions & 0 deletions test/inspector/test-inspector-ip-detection.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,52 @@
'use strict';
const common = require('../common');
common.skipIfInspectorDisabled();

const assert = require('assert');
const helper = require('./inspector-helper.js');
const os = require('os');

const ip = pickIPv4Address();

if (!ip) {
common.skip('No IP address found');
return;
}

function checkListResponse(instance, err, response) {
assert.ifError(err);
const res = response[0];
const wsUrl = res['webSocketDebuggerUrl'];
assert.ok(wsUrl);
const match = wsUrl.match(/^ws:\/\/(.*):9229\/(.*)/);
assert.strictEqual(ip, match[1]);
assert.strictEqual(res['id'], match[2]);
assert.strictEqual(ip, res['devtoolsFrontendUrl'].match(/.*ws=(.*):9229/)[1]);
instance.childInstanceDone = true;
}

function checkError(instance, error) {
// Some OSes will not allow us to connect
if (error.code === 'EHOSTUNREACH') {
common.skip('Unable to connect to self');
} else {
throw error;
}
instance.childInstanceDone = true;
}

function runTests(instance) {
instance
.testHttpResponse(ip, '/json/list', checkListResponse.bind(null, instance),
checkError.bind(null, instance))
.kill();
}

function pickIPv4Address() {
for (const i of [].concat(...Object.values(os.networkInterfaces()))) {
if (i.family === 'IPv4' && i.address !== '127.0.0.1')
return i.address;
}
}

helper.startNodeForInspectorTest(runTests, '--inspect-brk=0.0.0.0');
12 changes: 6 additions & 6 deletions test/inspector/test-inspector.js
Original file line number Diff line number Diff line change
Expand Up @@ -209,12 +209,12 @@ function testWaitsForFrontendDisconnect(session, harness) {

function runTests(harness) {
harness
.testHttpResponse('/json', checkListResponse)
.testHttpResponse('/json/list', checkListResponse)
.testHttpResponse('/json/version', checkVersion)
.testHttpResponse('/json/activate', checkBadPath)
.testHttpResponse('/json/activate/boom', checkBadPath)
.testHttpResponse('/json/badpath', checkBadPath)
.testHttpResponse(null, '/json', checkListResponse)
.testHttpResponse(null, '/json/list', checkListResponse)
.testHttpResponse(null, '/json/version', checkVersion)
.testHttpResponse(null, '/json/activate', checkBadPath)
.testHttpResponse(null, '/json/activate/boom', checkBadPath)
.testHttpResponse(null, '/json/badpath', checkBadPath)
.runFrontendSession([
testNoUrlsWhenConnected,
testBreakpointOnStart,
Expand Down

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