chrome/utility/importer/nss_decryptor_mac.h

   1 // Copyright (c) 2011 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 #ifndef CHROME_UTILITY_IMPORTER_NSS_DECRYPTOR_MAC_H_
   6 #define CHROME_UTILITY_IMPORTER_NSS_DECRYPTOR_MAC_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/basictypes.h"
  12 #include "base/strings/string16.h"
  13
  14 namespace base {
  15 class FilePath;
  16 }
  17
  18 // The following declarations of functions and types are from Firefox
  19 // NSS library.
  20 // source code:
  21 //   security/nss/lib/util/seccomon.h
  22 //   security/nss/lib/nss/nss.h
  23 // The license block is:
  24
  25 /* ***** BEGIN LICENSE BLOCK *****
  26 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  27 *
  28 * The contents of this file are subject to the Mozilla Public License Version
  29 * 1.1 (the "License"); you may not use this file except in compliance with
  30 * the License. You may obtain a copy of the License at
  31 * http://www.mozilla.org/MPL/
  32 *
  33 * Software distributed under the License is distributed on an "AS IS" basis,
  34 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  35 * for the specific language governing rights and limitations under the
  36 * License.
  37 *
  38 * The Original Code is the Netscape security libraries.
  39 *
  40 * The Initial Developer of the Original Code is
  41 * Netscape Communications Corporation.
  42 * Portions created by the Initial Developer are Copyright (C) 1994-2000
  43 * the Initial Developer. All Rights Reserved.
  44 *
  45 * Contributor(s):
  46 *
  47 * Alternatively, the contents of this file may be used under the terms of
  48 * either the GNU General Public License Version 2 or later (the "GPL"), or
  49 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  50 * in which case the provisions of the GPL or the LGPL are applicable instead
  51 * of those above. If you wish to allow use of your version of this file only
  52 * under the terms of either the GPL or the LGPL, and not to allow others to
  53 * use your version of this file under the terms of the MPL, indicate your
  54 * decision by deleting the provisions above and replace them with the notice
  55 * and other provisions required by the GPL or the LGPL. If you do not delete
  56 * the provisions above, a recipient may use your version of this file under
  57 * the terms of any one of the MPL, the GPL or the LGPL.
  58 *
  59 * ***** END LICENSE BLOCK ***** */
  60
  61 enum SECItemType {
  62   siBuffer = 0,
  63   siClearDataBuffer = 1,
  64   siCipherDataBuffer = 2,
  65   siDERCertBuffer = 3,
  66   siEncodedCertBuffer = 4,
  67   siDERNameBuffer = 5,
  68   siEncodedNameBuffer = 6,
  69   siAsciiNameString = 7,
  70   siAsciiString = 8,
  71   siDEROID = 9,
  72   siUnsignedInteger = 10,
  73   siUTCTime = 11,
  74   siGeneralizedTime = 12
  75 };
  76
  77 struct SECItem {
  78   SECItemType type;
  79   unsigned char *data;
  80   unsigned int len;
  81 };
  82
  83 enum SECStatus {
  84   SECWouldBlock = -2,
  85   SECFailure = -1,
  86   SECSuccess = 0
  87 };
  88
  89 typedef int PRBool;
  90 #define PR_TRUE 1
  91 #define PR_FALSE 0
  92
  93 typedef enum { PR_FAILURE = -1, PR_SUCCESS = 0 } PRStatus;
  94
  95 typedef struct PK11SlotInfoStr PK11SlotInfo;
  96
  97 typedef SECStatus (*NSSInitFunc)(const char *configdir);
  98 typedef SECStatus (*NSSShutdownFunc)(void);
  99 typedef PK11SlotInfo* (*PK11GetInternalKeySlotFunc)(void);
 100 typedef void (*PK11FreeSlotFunc)(PK11SlotInfo *slot);
 101 typedef SECStatus (*PK11CheckUserPasswordFunc)(PK11SlotInfo *slot, char *pw);
 102 typedef SECStatus
 103     (*PK11AuthenticateFunc)(PK11SlotInfo *slot, PRBool loadCerts, void *wincx);
 104 typedef SECStatus
 105     (*PK11SDRDecryptFunc)(SECItem *data, SECItem *result, void *cx);
 106 typedef void (*SECITEMFreeItemFunc)(SECItem *item, PRBool free_it);
 107 typedef void (*PLArenaFinishFunc)(void);
 108 typedef PRStatus (*PRCleanupFunc)(void);
 109
 110 namespace autofill {
 111 struct PasswordForm;
 112 }
 113
 114 // A wrapper for Firefox NSS decrypt component.
 115 class NSSDecryptor {
 116  public:
 117   NSSDecryptor()
 118       : NSS_Init(NULL), NSS_Shutdown(NULL), PK11_GetInternalKeySlot(NULL),
 119         PK11_CheckUserPassword(NULL), PK11_FreeSlot(NULL),
 120         PK11_Authenticate(NULL), PK11SDR_Decrypt(NULL), SECITEM_FreeItem(NULL),
 121         is_nss_initialized_(false) {}
 122   ~NSSDecryptor();
 123
 124   // Initializes NSS if it hasn't already been initialized.
 125   bool Init(const base::FilePath& dll_path, const base::FilePath& db_path);
 126
 127   // Decrypts Firefox stored passwords. Before using this method,
 128   // make sure Init() returns true.
 129   base::string16 Decrypt(const std::string& crypt) const;
 130
 131   // Parses the Firefox password file content, decrypts the
 132   // username/password and reads other related information.
 133   // The result will be stored in |forms|.
 134   void ParseSignons(const std::string& content,
 135                     std::vector<autofill::PasswordForm>* forms);
 136
 137   // Reads and parses the Firefox password sqlite db, decrypts the
 138   // username/password and reads other related information.
 139   // The result will be stored in |forms|.
 140   bool ReadAndParseSignons(const base::FilePath& sqlite_file,
 141                            std::vector<autofill::PasswordForm>* forms);
 142  private:
 143   PK11SlotInfo* GetKeySlotForDB() const { return PK11_GetInternalKeySlot(); }
 144   void FreeSlot(PK11SlotInfo* slot) const { PK11_FreeSlot(slot); }
 145
 146   // Methods in Firefox security components.
 147   NSSInitFunc NSS_Init;
 148   NSSShutdownFunc NSS_Shutdown;
 149   PK11GetInternalKeySlotFunc PK11_GetInternalKeySlot;
 150   PK11CheckUserPasswordFunc PK11_CheckUserPassword;
 151   PK11FreeSlotFunc PK11_FreeSlot;
 152   PK11AuthenticateFunc PK11_Authenticate;
 153   PK11SDRDecryptFunc PK11SDR_Decrypt;
 154   SECITEMFreeItemFunc SECITEM_FreeItem;
 155
 156   // True if NSS_Init() has been called
 157   bool is_nss_initialized_;
 158
 159   DISALLOW_COPY_AND_ASSIGN(NSSDecryptor);
 160 };
 161
 162 #endif  // CHROME_UTILITY_IMPORTER_NSS_DECRYPTOR_MAC_H_