chrome/browser/resources/cryptotoken/llgnubby.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 /**
   6  * @fileoverview Interface for representing a low-level gnubby device.
   7  */
   8 'use strict';
   9
  10 /**
  11  * Low level gnubby 'driver'. One per physical USB device.
  12  * @interface
  13  */
  14 function llGnubby() {}
  15
  16 // Commands of the USB interface.
  17 /** Echo data through local processor only */
  18 llGnubby.CMD_PING = 0x81;
  19 /** Perform reset action and read ATR string */
  20 llGnubby.CMD_ATR = 0x82;
  21 /** Send raw APDU */
  22 llGnubby.CMD_APDU = 0x83;
  23 /** Send lock channel command */
  24 llGnubby.CMD_LOCK = 0x84;
  25 /** Obtain system information record */
  26 llGnubby.CMD_SYSINFO = 0x85;
  27 /** Control prompt flashing */
  28 llGnubby.CMD_PROMPT = 0x87;
  29 /** Send device identification wink */
  30 llGnubby.CMD_WINK = 0x88;
  31 /** USB test */
  32 llGnubby.CMD_USB_TEST = 0xb9;
  33 /** Device Firmware Upgrade */
  34 llGnubby.CMD_DFU = 0xba;
  35 /** Protocol resync command */
  36 llGnubby.CMD_SYNC = 0xbc;
  37 /** Error response */
  38 llGnubby.CMD_ERROR = 0xbf;
  39
  40 // Low-level error codes.
  41 /** No error */
  42 llGnubby.OK = 0;
  43 /** Invalid command */
  44 llGnubby.INVALID_CMD = 1;
  45 /** Invalid parameter */
  46 llGnubby.INVALID_PAR = 2;
  47 /** Invalid message length */
  48 llGnubby.INVALID_LEN = 3;
  49 /** Invalid message sequencing */
  50 llGnubby.INVALID_SEQ = 4;
  51 /** Message has timed out */
  52 llGnubby.TIMEOUT = 5;
  53 /** CHannel is busy */
  54 llGnubby.BUSY = 6;
  55 /** Access denied */
  56 llGnubby.ACCESS_DENIED = 7;
  57 /** Device is gone */
  58 llGnubby.GONE = 8;
  59 /** Verification error */
  60 llGnubby.VERIFY_ERROR = 9;
  61 /** Command requires channel lock */
  62 llGnubby.LOCK_REQUIRED = 10;
  63 /** Sync error */
  64 llGnubby.SYNC_FAIL = 11;
  65 /** Other unspecified error */
  66 llGnubby.OTHER = 127;
  67
  68 // Remote helper errors.
  69 /** Not a remote helper */
  70 llGnubby.NOTREMOTE = 263;
  71 /** Could not reach remote endpoint */
  72 llGnubby.COULDNOTDIAL = 264;
  73
  74 // chrome.usb-related errors.
  75 /** No device */
  76 llGnubby.NODEVICE = 512;
  77 /** Permission denied */
  78 llGnubby.NOPERMISSION = 666;
  79
  80 /** Destroys this low-level device instance. */
  81 llGnubby.prototype.destroy = function() {};
  82
  83 /**
  84  * Register a client for this gnubby.
  85  * @param {*} who The client.
  86  */
  87 llGnubby.prototype.registerClient = function(who) {};
  88
  89 /**
  90  * De-register a client.
  91  * @param {*} who The client.
  92  * @return {number} The number of remaining listeners for this device, or -1
  93  *     if this had no clients to start with.
  94  */
  95 llGnubby.prototype.deregisterClient = function(who) {};
  96
  97 /**
  98  * @param {*} who The client.
  99  * @return {boolean} Whether this device has who as a client.
 100  */
 101 llGnubby.prototype.hasClient = function(who) {};
 102
 103 /**
 104  * Queue command to be sent.
 105  * If queue was empty, initiate the write.
 106  * @param {number} cid The client's channel ID.
 107  * @param {number} cmd The command to send.
 108  * @param {ArrayBuffer} data Command data
 109  */
 110 llGnubby.prototype.queueCommand = function(cid, cmd, data) {};