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1 // Copyright (c) 2009 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 #include <Cocoa/Cocoa.h> | |
6 | |
7 #include <dlfcn.h> | |
8 | |
9 #include "base/files/file_path.h" | |
10 #include "base/logging.h" | |
11 #include "base/strings/sys_string_conversions.h" | |
12 | |
13 #include "chrome/browser/importer/firefox_importer_utils.h" | |
14 #include "chrome/browser/importer/nss_decryptor_mac.h" | |
15 | |
16 // Important!! : On OS X the nss3 libraries are compiled with depedencies | |
17 // on one another, referenced using dyld's @executable_path directive. | |
18 // To make a long story short in order to get the libraries to load, dyld's | |
19 // fallback path needs to be set to the directory containing the libraries. | |
20 // To do so, the process this function runs in must have the | |
21 // DYLD_FALLBACK_LIBRARY_PATH set on startup to said directory. | |
22 bool NSSDecryptor::Init(const base::FilePath& dll_path, | |
23 const base::FilePath& db_path) { | |
24 if (getenv("DYLD_FALLBACK_LIBRARY_PATH") == NULL) { | |
25 LOG(ERROR) << "DYLD_FALLBACK_LIBRARY_PATH variable not set"; | |
26 return false; | |
27 } | |
28 base::FilePath nss3_path = dll_path.Append("libnss3.dylib"); | |
29 | |
30 void* nss_3_lib = dlopen(nss3_path.value().c_str(), RTLD_LAZY); | |
31 if (!nss_3_lib) { | |
32 LOG(ERROR) << "Failed to load nss3 lib" << dlerror(); | |
33 return false; | |
34 } | |
35 | |
36 NSS_Init = (NSSInitFunc)dlsym(nss_3_lib, "NSS_Init"); | |
37 NSS_Shutdown = (NSSShutdownFunc)dlsym(nss_3_lib, "NSS_Shutdown"); | |
38 PK11_GetInternalKeySlot = | |
39 (PK11GetInternalKeySlotFunc)dlsym(nss_3_lib, "PK11_GetInternalKeySlot"); | |
40 PK11_CheckUserPassword = | |
41 (PK11CheckUserPasswordFunc)dlsym(nss_3_lib, "PK11_CheckUserPassword"); | |
42 PK11_FreeSlot = (PK11FreeSlotFunc)dlsym(nss_3_lib, "PK11_FreeSlot"); | |
43 PK11_Authenticate = | |
44 (PK11AuthenticateFunc)dlsym(nss_3_lib, "PK11_Authenticate"); | |
45 PK11SDR_Decrypt = (PK11SDRDecryptFunc)dlsym(nss_3_lib, "PK11SDR_Decrypt"); | |
46 SECITEM_FreeItem = (SECITEMFreeItemFunc)dlsym(nss_3_lib, "SECITEM_FreeItem"); | |
47 | |
48 if (!NSS_Init || !NSS_Shutdown || !PK11_GetInternalKeySlot || | |
49 !PK11_CheckUserPassword || !PK11_FreeSlot || !PK11_Authenticate || | |
50 !PK11SDR_Decrypt || !SECITEM_FreeItem) { | |
51 LOG(ERROR) << "NSS3 importer couldn't find entry points"; | |
52 return false; | |
53 } | |
54 | |
55 SECStatus result = NSS_Init(db_path.value().c_str()); | |
56 | |
57 if (result != SECSuccess) { | |
58 LOG(ERROR) << "NSS_Init Failed returned: " << result; | |
59 return false; | |
60 } | |
61 | |
62 is_nss_initialized_ = true; | |
63 return true; | |
64 } | |
65 | |
66 NSSDecryptor::~NSSDecryptor() { | |
67 if (NSS_Shutdown && is_nss_initialized_) { | |
68 NSS_Shutdown(); | |
69 is_nss_initialized_ = false; | |
70 } | |
71 } | |
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