1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "PKCS11ModuleDB.h"
#include "ScopedNSSTypes.h"
#include "nsComponentManagerUtils.h"
#include "nsIMutableArray.h"
#include "nsNSSCertHelper.h"
#include "nsNSSComponent.h"
#include "nsNativeCharsetUtils.h"
#include "nsPKCS11Slot.h"
#include "nsServiceManagerUtils.h"
namespace mozilla {
namespace psm {
NS_IMPL_ISUPPORTS(PKCS11ModuleDB, nsIPKCS11ModuleDB)
// Convert the UTF16 name of the module as it appears to the user to the
// internal representation. For most modules this just involves converting from
// UTF16 to UTF8. For the builtin root module, it also involves mapping from the
// localized name to the internal, non-localized name.
static nsresult NormalizeModuleNameIn(const nsAString& moduleNameIn,
nsCString& moduleNameOut) {
nsAutoString localizedRootModuleName;
nsresult rv =
GetPIPNSSBundleString("RootCertModuleName", localizedRootModuleName);
if (NS_FAILED(rv)) {
return rv;
}
if (moduleNameIn.Equals(localizedRootModuleName)) {
moduleNameOut.Assign(kRootModuleName);
return NS_OK;
}
moduleNameOut.Assign(NS_ConvertUTF16toUTF8(moduleNameIn));
return NS_OK;
}
// Delete a PKCS11 module from the user's profile.
NS_IMETHODIMP
PKCS11ModuleDB::DeleteModule(const nsAString& aModuleName) {
if (aModuleName.IsEmpty()) {
return NS_ERROR_INVALID_ARG;
}
nsAutoCString moduleNameNormalized;
nsresult rv = NormalizeModuleNameIn(aModuleName, moduleNameNormalized);
if (NS_FAILED(rv)) {
return rv;
}
// modType is an output variable. We ignore it.
int32_t modType;
SECStatus srv = SECMOD_DeleteModule(moduleNameNormalized.get(), &modType);
if (srv != SECSuccess) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
// Add a new PKCS11 module to the user's profile.
NS_IMETHODIMP
PKCS11ModuleDB::AddModule(const nsAString& aModuleName,
const nsAString& aLibraryFullPath,
int32_t aCryptoMechanismFlags, int32_t aCipherFlags) {
if (aModuleName.IsEmpty()) {
return NS_ERROR_INVALID_ARG;
}
// "Root Certs" is the name some NSS command-line utilities will give the
// roots module if they decide to load it when there happens to be a
// `MOZ_DLL_PREFIX "nssckbi" MOZ_DLL_SUFFIX` file in the directory being
// operated on. This causes failures, so as a workaround, the PSM
// initialization code will unconditionally remove any module named "Root
// Certs". We should prevent the user from adding an unrelated module named
// "Root Certs" in the first place so PSM doesn't delete it. See bug 1406396.
if (aModuleName.EqualsLiteral("Root Certs")) {
return NS_ERROR_ILLEGAL_VALUE;
}
// There appears to be a deadlock if we try to load modules concurrently, so
// just wait until the loadable roots module has been loaded.
nsresult rv = BlockUntilLoadableCertsLoaded();
if (NS_FAILED(rv)) {
return rv;
}
nsAutoCString moduleNameNormalized;
rv = NormalizeModuleNameIn(aModuleName, moduleNameNormalized);
if (NS_FAILED(rv)) {
return rv;
}
nsCString fullPath;
// NSS doesn't support Unicode path. Use native charset
NS_CopyUnicodeToNative(aLibraryFullPath, fullPath);
uint32_t mechFlags = SECMOD_PubMechFlagstoInternal(aCryptoMechanismFlags);
uint32_t cipherFlags = SECMOD_PubCipherFlagstoInternal(aCipherFlags);
SECStatus srv = SECMOD_AddNewModule(moduleNameNormalized.get(),
fullPath.get(), mechFlags, cipherFlags);
if (srv != SECSuccess) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
PKCS11ModuleDB::ListModules(nsISimpleEnumerator** _retval) {
NS_ENSURE_ARG_POINTER(_retval);
nsresult rv = BlockUntilLoadableCertsLoaded();
if (NS_FAILED(rv)) {
return rv;
}
nsCOMPtr<nsIMutableArray> array = do_CreateInstance(NS_ARRAY_CONTRACTID);
if (!array) {
return NS_ERROR_FAILURE;
}
/* lock down the list for reading */
AutoSECMODListReadLock lock;
for (SECMODModuleList* list = SECMOD_GetDefaultModuleList(); list;
list = list->next) {
nsCOMPtr<nsIPKCS11Module> module = new nsPKCS11Module(list->module);
nsresult rv = array->AppendElement(module);
if (NS_FAILED(rv)) {
return rv;
}
}
/* Get the modules in the database that didn't load */
for (SECMODModuleList* list = SECMOD_GetDeadModuleList(); list;
list = list->next) {
nsCOMPtr<nsIPKCS11Module> module = new nsPKCS11Module(list->module);
nsresult rv = array->AppendElement(module);
if (NS_FAILED(rv)) {
return rv;
}
}
return array->Enumerate(_retval, NS_GET_IID(nsIPKCS11Module));
}
NS_IMETHODIMP
PKCS11ModuleDB::GetCanToggleFIPS(bool* aCanToggleFIPS) {
NS_ENSURE_ARG_POINTER(aCanToggleFIPS);
*aCanToggleFIPS = SECMOD_CanDeleteInternalModule();
return NS_OK;
}
NS_IMETHODIMP
PKCS11ModuleDB::ToggleFIPSMode() {
// The way to toggle FIPS mode in NSS is extremely obscure. Basically, we
// delete the internal module, and it gets replaced with the opposite module
// (i.e. if it was FIPS before, then it becomes non-FIPS next).
// SECMOD_GetInternalModule() returns a pointer to a local copy of the
// internal module stashed in NSS. We don't want to delete it since it will
// cause much pain in NSS.
SECMODModule* internal = SECMOD_GetInternalModule();
if (!internal) {
return NS_ERROR_FAILURE;
}
if (SECMOD_DeleteInternalModule(internal->commonName) != SECSuccess) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
PKCS11ModuleDB::GetIsFIPSEnabled(bool* aIsFIPSEnabled) {
NS_ENSURE_ARG_POINTER(aIsFIPSEnabled);
*aIsFIPSEnabled = PK11_IsFIPS();
return NS_OK;
}
} // namespace psm
} // namespace mozilla
|
