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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_BROWSER_IMPORTER_NSS_DECRYPTOR_WIN_H_ | |
6 #define CHROME_BROWSER_IMPORTER_NSS_DECRYPTOR_WIN_H_ | |
7 | |
8 #include <string> | |
9 #include <vector> | |
10 | |
11 #include "base/basictypes.h" | |
12 #include "base/native_library.h" | |
13 #include "base/strings/string16.h" | |
14 | |
15 // The following declarations of functions and types are from Firefox | |
16 // NSS library. | |
17 // source code: | |
18 // security/nss/lib/util/seccomon.h | |
19 // security/nss/lib/nss/nss.h | |
20 // The license block is: | |
21 | |
22 /* ***** BEGIN LICENSE BLOCK ***** | |
23 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 | |
24 * | |
25 * The contents of this file are subject to the Mozilla Public License Version | |
26 * 1.1 (the "License"); you may not use this file except in compliance with | |
27 * the License. You may obtain a copy of the License at | |
28 * http://www.mozilla.org/MPL/ | |
29 * | |
30 * Software distributed under the License is distributed on an "AS IS" basis, | |
31 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License | |
32 * for the specific language governing rights and limitations under the | |
33 * License. | |
34 * | |
35 * The Original Code is the Netscape security libraries. | |
36 * | |
37 * The Initial Developer of the Original Code is | |
38 * Netscape Communications Corporation. | |
39 * Portions created by the Initial Developer are Copyright (C) 1994-2000 | |
40 * the Initial Developer. All Rights Reserved. | |
41 * | |
42 * Contributor(s): | |
43 * | |
44 * Alternatively, the contents of this file may be used under the terms of | |
45 * either the GNU General Public License Version 2 or later (the "GPL"), or | |
46 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), | |
47 * in which case the provisions of the GPL or the LGPL are applicable instead | |
48 * of those above. If you wish to allow use of your version of this file only | |
49 * under the terms of either the GPL or the LGPL, and not to allow others to | |
50 * use your version of this file under the terms of the MPL, indicate your | |
51 * decision by deleting the provisions above and replace them with the notice | |
52 * and other provisions required by the GPL or the LGPL. If you do not delete | |
53 * the provisions above, a recipient may use your version of this file under | |
54 * the terms of any one of the MPL, the GPL or the LGPL. | |
55 * | |
56 * ***** END LICENSE BLOCK ***** */ | |
57 | |
58 enum SECItemType { | |
59 siBuffer = 0, | |
60 siClearDataBuffer = 1, | |
61 siCipherDataBuffer = 2, | |
62 siDERCertBuffer = 3, | |
63 siEncodedCertBuffer = 4, | |
64 siDERNameBuffer = 5, | |
65 siEncodedNameBuffer = 6, | |
66 siAsciiNameString = 7, | |
67 siAsciiString = 8, | |
68 siDEROID = 9, | |
69 siUnsignedInteger = 10, | |
70 siUTCTime = 11, | |
71 siGeneralizedTime = 12 | |
72 }; | |
73 | |
74 struct SECItem { | |
75 SECItemType type; | |
76 unsigned char *data; | |
77 unsigned int len; | |
78 }; | |
79 | |
80 enum SECStatus { | |
81 SECWouldBlock = -2, | |
82 SECFailure = -1, | |
83 SECSuccess = 0 | |
84 }; | |
85 | |
86 typedef int PRBool; | |
87 #define PR_TRUE 1 | |
88 #define PR_FALSE 0 | |
89 | |
90 typedef enum { PR_FAILURE = -1, PR_SUCCESS = 0 } PRStatus; | |
91 | |
92 typedef struct PK11SlotInfoStr PK11SlotInfo; | |
93 | |
94 typedef SECStatus (*NSSInitFunc)(const char *configdir); | |
95 typedef SECStatus (*NSSShutdownFunc)(void); | |
96 typedef PK11SlotInfo* (*PK11GetInternalKeySlotFunc)(void); | |
97 typedef void (*PK11FreeSlotFunc)(PK11SlotInfo *slot); | |
98 typedef SECStatus (*PK11CheckUserPasswordFunc)(PK11SlotInfo *slot, char *pw); | |
99 typedef SECStatus | |
100 (*PK11AuthenticateFunc)(PK11SlotInfo *slot, PRBool loadCerts, void *wincx); | |
101 typedef SECStatus | |
102 (*PK11SDRDecryptFunc)(SECItem *data, SECItem *result, void *cx); | |
103 typedef void (*SECITEMFreeItemFunc)(SECItem *item, PRBool free_it); | |
104 typedef void (*PLArenaFinishFunc)(void); | |
105 typedef PRStatus (*PRCleanupFunc)(void); | |
106 | |
107 namespace content { | |
108 struct PasswordForm; | |
109 } | |
110 | |
111 // A wrapper for Firefox NSS decrypt component. | |
112 class NSSDecryptor { | |
113 public: | |
114 NSSDecryptor(); | |
115 ~NSSDecryptor(); | |
116 | |
117 // Loads NSS3 library and returns true if successful. | |
118 // |dll_path| indicates the location of NSS3 DLL files, and |db_path| | |
119 // is the location of the database file that stores the keys. | |
120 bool Init(const base::FilePath& dll_path, const base::FilePath& db_path); | |
121 | |
122 // Frees the libraries. | |
123 void Free(); | |
124 | |
125 // Decrypts Firefox stored passwords. Before using this method, | |
126 // make sure Init() returns true. | |
127 string16 Decrypt(const std::string& crypt) const; | |
128 | |
129 // Parses the Firefox password file content, decrypts the | |
130 // username/password and reads other related information. | |
131 // The result will be stored in |forms|. | |
132 void ParseSignons(const std::string& content, | |
133 std::vector<content::PasswordForm>* forms); | |
134 | |
135 // Reads and parses the Firefox password sqlite db, decrypts the | |
136 // username/password and reads other related information. | |
137 // The result will be stored in |forms|. | |
138 bool ReadAndParseSignons(const base::FilePath& sqlite_file, | |
139 std::vector<content::PasswordForm>* forms); | |
140 | |
141 private: | |
142 // Call NSS initialization funcs. | |
143 bool InitNSS(const base::FilePath& db_path, | |
144 base::NativeLibrary plds4_dll, | |
145 base::NativeLibrary nspr4_dll); | |
146 | |
147 PK11SlotInfo* GetKeySlotForDB() const { return PK11_GetInternalKeySlot(); } | |
148 void FreeSlot(PK11SlotInfo* slot) const { PK11_FreeSlot(slot); } | |
149 | |
150 // Methods in Firefox security components. | |
151 NSSInitFunc NSS_Init; | |
152 NSSShutdownFunc NSS_Shutdown; | |
153 PK11GetInternalKeySlotFunc PK11_GetInternalKeySlot; | |
154 PK11CheckUserPasswordFunc PK11_CheckUserPassword; | |
155 PK11FreeSlotFunc PK11_FreeSlot; | |
156 PK11AuthenticateFunc PK11_Authenticate; | |
157 PK11SDRDecryptFunc PK11SDR_Decrypt; | |
158 SECITEMFreeItemFunc SECITEM_FreeItem; | |
159 PLArenaFinishFunc PL_ArenaFinish; | |
160 PRCleanupFunc PR_Cleanup; | |
161 | |
162 // Libraries necessary for decrypting the passwords. | |
163 static const wchar_t kNSS3Library[]; | |
164 static const wchar_t kSoftokn3Library[]; | |
165 static const wchar_t kPLDS4Library[]; | |
166 static const wchar_t kNSPR4Library[]; | |
167 | |
168 // NSS3 module handles. | |
169 base::NativeLibrary nss3_dll_; | |
170 base::NativeLibrary softokn3_dll_; | |
171 | |
172 // True if NSS_Init() has been called | |
173 bool is_nss_initialized_; | |
174 | |
175 DISALLOW_COPY_AND_ASSIGN(NSSDecryptor); | |
176 }; | |
177 | |
178 #endif // CHROME_BROWSER_IMPORTER_NSS_DECRYPTOR_WIN_H_ | |
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