tls: veryify server's identity

test/simple/test-tls-check-server-identity.js

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+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('../common');
+var assert = require('assert');
+var util = require('util');
+var tls = require('tls');
+
+var tests = [
+  // Basic CN handling
+  { host: 'a.com', cert: { subject: { CN: 'a.com' } }, result: true },
+  { host: 'a.com', cert: { subject: { CN: 'A.COM' } }, result: true },
+  { host: 'a.com', cert: { subject: { CN: 'b.com' } }, result: false },
+  { host: 'a.com', cert: { subject: { CN: 'a.com.' } }, result: true },
+
+  // No wildcards in CN
+  { host: 'b.a.com', cert: { subject: { CN: '*.a.com' } }, result: false },
+
+  // DNS names and CN
+  {
+    host: 'a.com', cert: {
+      subjectaltname: 'DNS:*',
+      subject: { CN: 'b.com' }
+    },
+    result: false
+  },
+  {
+    host: 'a.com', cert: {
+      subjectaltname: 'DNS:*.com',
+      subject: { CN: 'b.com' }
+    },
+    result: false
+  },
+  {
+    host: 'a.co.uk', cert: {
+      subjectaltname: 'DNS:*.co.uk',
+      subject: { CN: 'b.com' }
+    },
+    result: true
+  },
+  {
+    host: 'a.com', cert: {
+      subjectaltname: 'DNS:*.a.com',
+      subject: { CN: 'a.com' }
+    },
+    result: true
+  },
+  {
+    host: 'a.com', cert: {
+      subjectaltname: 'DNS:*.a.com',
+      subject: { CN: 'b.com' }
+    },
+    result: false
+  },
+  {
+    host: 'a.com', cert: {
+      subjectaltname: 'DNS:a.com',
+      subject: { CN: 'b.com' }
+    },
+    result: true
+  },
+  {
+    host: 'a.com', cert: {
+      subjectaltname: 'DNS:A.COM',
+      subject: { CN: 'b.com' }
+    },
+    result: true
+  },
+
+  // DNS names
+  {
+    host: 'a.com', cert: {
+      subjectaltname: 'DNS:*.a.com',
+      subject: {}
+    },
+    result: false
+  },
+  {
+    host: 'b.a.com', cert: {
+      subjectaltname: 'DNS:*.a.com',
+      subject: {}
+    },
+    result: true
+  },
+  {
+    host: 'c.b.a.com', cert: {
+      subjectaltname: 'DNS:*.a.com',
+      subject: {}
+    },
+    result: false
+  },
+  {
+    host: 'b.a.com', cert: {
+      subjectaltname: 'DNS:*b.a.com',
+      subject: {}
+    },
+    result: true
+  },
+  {
+    host: 'a-cb.a.com', cert: {
+      subjectaltname: 'DNS:*b.a.com',
+      subject: {}
+    },
+    result: true
+  },
+  {
+    host: 'a.b.a.com', cert: {
+      subjectaltname: 'DNS:*b.a.com',
+      subject: {}
+    },
+    result: false
+  },
+  // Mutliple DNS names
+  {
+    host: 'a.b.a.com', cert: {
+      subjectaltname: 'DNS:*b.a.com, DNS:a.b.a.com',
+      subject: {}
+    },
+    result: true
+  },
+  // URI names
+  {
+    host: 'a.b.a.com', cert: {
+      subjectaltname: 'URI:http://a.b.a.com/',
+      subject: {}
+    },
+    result: true
+  },
+  {
+    host: 'a.b.a.com', cert: {
+      subjectaltname: 'URI:http://*.b.a.com/',
+      subject: {}
+    },
+    result: false
+  },
+  // IP addresses
+  {
+    host: 'a.b.a.com', cert: {
+      subjectaltname: 'IP Address:127.0.0.1',
+      subject: {}
+    },
+    result: false
+  },
+  {
+    host: '127.0.0.1', cert: {
+      subjectaltname: 'IP Address:127.0.0.1',
+      subject: {}
+    },
+    result: true
+  },
+  {
+    host: '127.0.0.2', cert: {
+      subjectaltname: 'IP Address:127.0.0.1',
+      subject: {}
+    },
+    result: false
+  },
+  {
+    host: '127.0.0.1', cert: {
+      subjectaltname: 'DNS:a.com',
+      subject: {}
+    },
+    result: false
+  },
+];
+
+tests.forEach(function(test, i) {
+  assert.equal(tls.checkServerIdentity(test.host, test.cert),
+               test.result,
+               'Test#' + i + ' failed: ' + util.inspect(test));
+});