@@ -483,13 +483,59 @@ Options:
 
 ### Event: 'upgrade'
 
-`function (request, socket, head)`
+`function (response, socket, head)`
+
+Emitted each time a server responds to a request with an upgrade. If this
+event isn't being listened for, clients receiving an upgrade header will have
+their connections closed.
+
+A client server pair that show you how to listen for the `upgrade` event using `http.getAgent`:
 
-Emitted each time a server responds to a request with an upgrade. If this event
-isn't being listened for, clients receiving an upgrade header will have their
-connections closed.
+    var http = require('http');
+    var net = require('net');
+
+    // Create an HTTP server
+    var srv = http.createServer(function (req, res) {
+      res.writeHead(200, {'Content-Type': 'text/plain'});
+      res.end('okay');
+    });
+    srv.on('upgrade', function(req, socket, upgradeHead) {
+      socket.write('HTTP/1.1 101 Web Socket Protocol Handshake\r\n' +
+                   'Upgrade: WebSocket\r\n' +
+                   'Connection: Upgrade\r\n' +
+                   '\r\n\r\n');
+
+      socket.ondata = function(data, start, end) {
+        socket.write(data.toString('utf8', start, end), 'utf8'); // echo back
+      };
+    });
+
+    // now that server is running
+    srv.listen(1337, '127.0.0.1', function() {
+
+      // make a request
+      var agent = http.getAgent('127.0.0.1', 1337);
+
+      var options = {
+        agent: agent,
+        port: 1337,
+        host: '127.0.0.1',
+        headers: {
+          'Connection': 'Upgrade',
+          'Upgrade': 'websocket'
+        }
+      };
+
+      var req = http.request(options);
+      req.end();
+
+      agent.on('upgrade', function(res, socket, upgradeHead) {
+        console.log('got upgraded!');
+        socket.end();
+        process.exit(0);
+      });
+    });
 
-See the description of the [upgrade event](http.html#event_upgrade_) for `http.Server` for further details.
 
 ### Event: 'continue'
 
 
@@ -37,7 +37,7 @@ try {
 }
 
 
-function Credentials(secureProtocol, flags) {
+function Credentials(secureProtocol, flags, context) {
   if (!(this instanceof Credentials)) {
     return new Credentials(secureProtocol);
   }
@@ -46,24 +46,32 @@ function Credentials(secureProtocol, flags) {
     throw new Error('node.js not compiled with openssl crypto support.');
   }
 
-  this.context = new SecureContext();
-
-  if (secureProtocol) {
-    this.context.init(secureProtocol);
+  if (context) {
+    this.context = context;
   } else {
-    this.context.init();
-  }
+    this.context = new SecureContext();
 
-  if(flags) this.context.setOptions(flags);
+    if (secureProtocol) {
+      this.context.init(secureProtocol);
+    } else {
+      this.context.init();
+    }
+  }
 
+  if (flags) this.context.setOptions(flags);
 }
 
 exports.Credentials = Credentials;
 
 
-exports.createCredentials = function(options) {
+exports.createCredentials = function(options, context) {
   if (!options) options = {};
-  var c = new Credentials(options.secureProtocol, options.secureOptions);
+
+  var c = new Credentials(options.secureProtocol,
+                          options.secureOptions,
+                          context);
+
+  if (context) return c;
 
   if (options.key) c.context.setKey(options.key);
 
 
@@ -244,9 +244,23 @@ CryptoStream.prototype._done = function() {
 };
 
 
-CryptoStream.prototype.fd = -1;
-CryptoStream.prototype.__defineGetter__('readyState',
-    net.Socket.prototype.__lookupGetter__('readyState'));
+// readyState is deprecated. Don't use it.
+Object.defineProperty(CryptoStream.prototype, 'readyState', {
+  get: function() {
+    if (this._connecting) {
+      return 'opening';
+    } else if (this.readable && this.writable) {
+      return 'open';
+    } else if (this.readable && !this.writable) {
+      return 'readOnly';
+    } else if (!this.readable && this.writable) {
+      return 'writeOnly';
+    } else {
+      return 'closed';
+    }
+  }
+});
+
 
 // Move decrypted, clear data out into the application.
 // From the user's perspective this occurs as a 'data' event
@@ -750,18 +764,24 @@ function Server(/* [options], listener */) {
 
   var self = this;
 
+  // Handle option defaults:
+  this.setOptions(options);
+
+  var sharedCreds = crypto.createCredentials({
+    key: self.key,
+    cert: self.cert,
+    ca: self.ca,
+    ciphers: self.ciphers,
+    secureProtocol: self.secureProtocol,
+    secureOptions: self.secureOptions,
+    crl: self.crl
+  });
+
+  sharedCreds.context.setCiphers('RC4-SHA:AES128-SHA:AES256-SHA');
+
   // constructor call
   net.Server.call(this, function(socket) {
-    var creds = crypto.createCredentials({
-      key: self.key,
-      cert: self.cert,
-      ca: self.ca,
-      ciphers: self.ciphers,
-      secureProtocol: self.secureProtocol,
-      secureOptions: self.secureOptions,
-      crl: self.crl
-    });
-    creds.context.setCiphers('RC4-SHA:AES128-SHA:AES256-SHA');
+    var creds = crypto.createCredentials(null, sharedCreds.context);
 
     var pair = new SecurePair(creds,
                               true,
 
@@ -702,6 +702,11 @@ Handle<Value> Buffer::ByteLength(const Arguments &args) {
 Handle<Value> Buffer::MakeFastBuffer(const Arguments &args) {
   HandleScope scope;
 
+  if (!Buffer::HasInstance(args[0])) {
+    return ThrowException(Exception::TypeError(String::New(
+            "First argument must be a Buffer")));
+  }
+
   Buffer *buffer = ObjectWrap::Unwrap<Buffer>(args[0]->ToObject());
   Local<Object> fast_buffer = args[1]->ToObject();;
   uint32_t offset = args[2]->Uint32Value();
 
@@ -168,7 +168,7 @@ int Platform::GetCPUInfo(Local<Array> *cpus) {
   *cpus = Array::New();
 
   lookup_instance = 0;
-  while (ksp = kstat_lookup(kc, "cpu_info", lookup_instance, NULL)){
+  while (ksp = kstat_lookup(kc, (char *)"cpu_info", lookup_instance, NULL)){
     cpuinfo  = Object::New();
 
     if (kstat_read(kc, ksp, NULL) == -1) {
@@ -183,9 +183,9 @@ int Platform::GetCPUInfo(Local<Array> *cpus) {
       cpuinfo->Set(String::New("error"), String::New(strerror(errno)));
       (*cpus)->Set(lookup_instance, cpuinfo);
     } else {
-      knp = (kstat_named_t *) kstat_data_lookup(ksp, "clock_MHz");
+      knp = (kstat_named_t *) kstat_data_lookup(ksp, (char *)"clock_MHz");
       cpuinfo->Set(String::New("speed"), data_named(knp));
-      knp = (kstat_named_t *) kstat_data_lookup(ksp, "brand");
+      knp = (kstat_named_t *) kstat_data_lookup(ksp, (char *)"brand");
       cpuinfo->Set(String::New("model"), data_named(knp));
       (*cpus)->Set(lookup_instance, cpuinfo);
     }
@@ -194,21 +194,21 @@ int Platform::GetCPUInfo(Local<Array> *cpus) {
   }
 
   lookup_instance = 0;
-  while (ksp = kstat_lookup(kc, "cpu", lookup_instance, "sys")){
+  while (ksp = kstat_lookup(kc, (char *)"cpu", lookup_instance, (char *)"sys")){
     cpuinfo = (*cpus)->Get(lookup_instance)->ToObject();
     cputimes = Object::New();
 
     if (kstat_read(kc, ksp, NULL) == -1) {
       cputimes->Set(String::New("error"), String::New(strerror(errno)));
       cpuinfo->Set(String::New("times"), cpuinfo);
     } else {
-      knp = (kstat_named_t *) kstat_data_lookup(ksp, "cpu_ticks_kernel");
+      knp = (kstat_named_t *) kstat_data_lookup(ksp, (char *)"cpu_ticks_kernel");
       cputimes->Set(String::New("system"), data_named(knp));
-      knp = (kstat_named_t *) kstat_data_lookup(ksp, "cpu_ticks_user");
+      knp = (kstat_named_t *) kstat_data_lookup(ksp, (char *)"cpu_ticks_user");
       cputimes->Set(String::New("user"), data_named(knp));
-      knp = (kstat_named_t *) kstat_data_lookup(ksp, "cpu_ticks_idle");
+      knp = (kstat_named_t *) kstat_data_lookup(ksp, (char *)"cpu_ticks_idle");
       cputimes->Set(String::New("idle"), data_named(knp));
-      knp = (kstat_named_t *) kstat_data_lookup(ksp, "intr");
+      knp = (kstat_named_t *) kstat_data_lookup(ksp, (char *)"intr");
       cputimes->Set(String::New("irq"), data_named(knp));
 
       cpuinfo->Set(String::New("times"), cputimes);
@@ -224,12 +224,37 @@ int Platform::GetCPUInfo(Local<Array> *cpus) {
 
 
 double Platform::GetFreeMemory() {
-  return 0.0;
+  kstat_ctl_t   *kc;
+  kstat_t       *ksp;
+  kstat_named_t *knp;
+
+  double pagesize = static_cast<double>(sysconf(_SC_PAGESIZE));
+  ulong_t freemem;
+
+  if((kc = kstat_open()) == NULL)
+    throw "could not open kstat";
+
+  ksp = kstat_lookup(kc, (char *)"unix", 0, (char *)"system_pages");
+
+  if(kstat_read(kc, ksp, NULL) == -1){
+    throw "could not read kstat";
+  }
+  else {
+    knp = (kstat_named_t *) kstat_data_lookup(ksp, (char *)"freemem");
+    freemem = knp->value.ul;
+  }
+
+  kstat_close(kc);
+
+  return static_cast<double>(freemem)*pagesize;
 }
 
 
 double Platform::GetTotalMemory() {
-  return 0.0;
+  double pagesize = static_cast<double>(sysconf(_SC_PAGESIZE));
+  double pages = static_cast<double>(sysconf(_SC_PHYS_PAGES));
+
+  return pagesize*pages;
 }
 
 double Platform::GetUptimeImpl() {
@@ -243,12 +268,12 @@ double Platform::GetUptimeImpl() {
   if ((kc = kstat_open()) == NULL)
     throw "could not open kstat";
 
-  ksp = kstat_lookup(kc, "unix", 0, "system_misc");
+  ksp = kstat_lookup(kc, (char *)"unix", 0, (char *)"system_misc");
 
   if (kstat_read(kc, ksp, NULL) == -1) {
     throw "unable to read kstat";
   } else {
-    knp = (kstat_named_t *) kstat_data_lookup(ksp, "clk_intr");
+    knp = (kstat_named_t *) kstat_data_lookup(ksp, (char *)"clk_intr");
     clk_intr = knp->value.ul;
   }
 
 
@@ -577,3 +577,9 @@ assert.equal(0xee, b[0]);
 assert.equal(0xad, b[1]);
 assert.equal(0xbe, b[2]);
 assert.equal(0xef, b[3]);
+
+
+// This should not segfault the program.
+assert.throws(function() {
+  new Buffer('"pong"', 0, 6, 8031, '127.0.0.1')
+});
@@ -0,0 +1,93 @@
+// 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.
+
+// Verify that the 'upgrade' header causes an 'upgrade' event to be emitted to
+// the HTTP client. This test uses a raw TCP server to better control server
+// behavior.
+
+var common = require('../common');
+var assert = require('assert');
+
+var http = require('http');
+var net = require('net');
+
+// Create a TCP server
+var srv = net.createServer(function(c) {
+  var data = '';
+  c.addListener('data', function(d) {
+    data += d.toString('utf8');
+
+    c.write('HTTP/1.1 101\r\n');
+    c.write('hello: world\r\n');
+    c.write('connection: upgrade\r\n');
+    c.write('upgrade: websocket\r\n');
+    c.write('\r\n');
+    c.write('nurtzo');
+  });
+
+  c.addListener('end', function() {
+    c.end();
+  });
+});
+
+var gotUpgrade = false;
+
+srv.listen(common.PORT, '127.0.0.1', function() {
+
+  var agent = http.getAgent({
+    host: '127.0.0.1',
+    port: common.PORT
+  });
+  assert.ok(agent);
+
+  var options = {
+    port: common.PORT,
+    host: '127.0.0.1',
+    headers: {
+      'upgrade': 'websocket'
+    }
+  };
+
+  var req = http.request(options);
+  req.end();
+
+  agent.on('upgrade', function(res, socket, upgradeHead) {
+    // XXX: This test isn't fantastic, as it assumes that the entire response
+    //      from the server will arrive in a single data callback
+    assert.equal(upgradeHead, 'nurtzo');
+
+    console.log(res.headers);
+    var expectedHeaders = { 'hello': 'world',
+                            'connection': 'upgrade',
+                            'upgrade': 'websocket' };
+    assert.deepEqual(expectedHeaders, res.headers);
+
+    socket.end();
+    srv.close();
+
+    gotUpgrade = true;
+  });
+
+});
+
+process.addListener('exit', function() {
+  assert.ok(gotUpgrade);
+});