fix "hostname is not defined" error

Author: felicienfrancois

lib/ca.js

@@ -161,6 +161,7 @@ CA.prototype.loadCA = function () {
 
 CA.prototype.generateServerCertificateKeys = function (hosts, cb) {
   if (typeof(hosts) === "string") hosts = [hosts];
+  var mainHost = hosts.shift();
   var keysServer = pki.rsa.generateKeyPair(1024);
   var certServer = pki.createCertificate();
   certServer.publicKey = keysServer.publicKey;
@@ -171,7 +172,7 @@ CA.prototype.generateServerCertificateKeys = function (hosts, cb) {
   var attrsServer = ServerAttrs.slice(0);
   attrsServer.unshift({
     name: 'commonName',
-    value: hosts.shift()
+    value: mainHost
   })
   certServer.setSubject(attrsServer);
   certServer.setIssuer(this.CAcert.issuer.attributes);
@@ -189,9 +190,9 @@ CA.prototype.generateServerCertificateKeys = function (hosts, cb) {
   var certPem = pki.certificateToPem(certServer);
   var keyPrivatePem = pki.privateKeyToPem(keysServer.privateKey)
   var keyPublicPem = pki.publicKeyToPem(keysServer.publicKey)
-  FS.writeFile(this.certsFolder + '/' + hostname.replace(/\*/g, '_') + '.pem', certPem);
-  FS.writeFile(this.keysFolder + '/' + hostname.replace(/\*/g, '_') + '.key', keyPrivatePem);
-  FS.writeFile(this.keysFolder + '/' + hostname.replace(/\*/g, '_') + '.public.key', keyPublicPem);
+  FS.writeFile(this.certsFolder + '/' + mainHost.replace(/\*/g, '_') + '.pem', certPem);
+  FS.writeFile(this.keysFolder + '/' + mainHost.replace(/\*/g, '_') + '.key', keyPrivatePem);
+  FS.writeFile(this.keysFolder + '/' + mainHost.replace(/\*/g, '_') + '.public.key', keyPublicPem);
   cb(certPem, keyPrivatePem);
 };