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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/network/onc/onc_utils.h"
#include "base/base64.h"
#include "base/json/json_reader.h"
#include "base/logging.h"
#include "base/metrics/histogram.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/values.h"
#include "chromeos/network/network_event_log.h"
#include "chromeos/network/onc/onc_mapper.h"
#include "chromeos/network/onc/onc_signature.h"
#include "chromeos/network/onc/onc_utils.h"
#include "chromeos/network/onc/onc_validator.h"
#include "crypto/encryptor.h"
#include "crypto/hmac.h"
#include "crypto/symmetric_key.h"
#include "net/cert/pem_tokenizer.h"
#include "net/cert/x509_certificate.h"
#define ONC_LOG_WARNING(message) NET_LOG_WARNING("ONC", message)
#define ONC_LOG_ERROR(message) NET_LOG_ERROR("ONC", message)
using namespace ::onc;
namespace chromeos {
namespace onc {
namespace {
const char kUnableToDecrypt[] = "Unable to decrypt encrypted ONC";
const char kUnableToDecode[] = "Unable to decode encrypted ONC";
} // namespace
const char kEmptyUnencryptedConfiguration[] =
"{\"Type\":\"UnencryptedConfiguration\",\"NetworkConfigurations\":[],"
"\"Certificates\":[]}";
scoped_ptr<base::DictionaryValue> ReadDictionaryFromJson(
const std::string& json) {
std::string error;
base::Value* root = base::JSONReader::ReadAndReturnError(
json, base::JSON_ALLOW_TRAILING_COMMAS, NULL, &error);
base::DictionaryValue* dict_ptr = NULL;
if (!root || !root->GetAsDictionary(&dict_ptr)) {
ONC_LOG_ERROR("Invalid JSON Dictionary: " + error);
delete root;
}
return make_scoped_ptr(dict_ptr);
}
scoped_ptr<base::DictionaryValue> Decrypt(const std::string& passphrase,
const base::DictionaryValue& root) {
const int kKeySizeInBits = 256;
const int kMaxIterationCount = 500000;
std::string onc_type;
std::string initial_vector;
std::string salt;
std::string cipher;
std::string stretch_method;
std::string hmac_method;
std::string hmac;
int iterations;
std::string ciphertext;
if (!root.GetString(encrypted::kCiphertext, &ciphertext) ||
!root.GetString(encrypted::kCipher, &cipher) ||
!root.GetString(encrypted::kHMAC, &hmac) ||
!root.GetString(encrypted::kHMACMethod, &hmac_method) ||
!root.GetString(encrypted::kIV, &initial_vector) ||
!root.GetInteger(encrypted::kIterations, &iterations) ||
!root.GetString(encrypted::kSalt, &salt) ||
!root.GetString(encrypted::kStretch, &stretch_method) ||
!root.GetString(toplevel_config::kType, &onc_type) ||
onc_type != toplevel_config::kEncryptedConfiguration) {
ONC_LOG_ERROR("Encrypted ONC malformed.");
return scoped_ptr<base::DictionaryValue>();
}
if (hmac_method != encrypted::kSHA1 ||
cipher != encrypted::kAES256 ||
stretch_method != encrypted::kPBKDF2) {
ONC_LOG_ERROR("Encrypted ONC unsupported encryption scheme.");
return scoped_ptr<base::DictionaryValue>();
}
// Make sure iterations != 0, since that's not valid.
if (iterations == 0) {
ONC_LOG_ERROR(kUnableToDecrypt);
return scoped_ptr<base::DictionaryValue>();
}
// Simply a sanity check to make sure we can't lock up the machine
// for too long with a huge number (or a negative number).
if (iterations < 0 || iterations > kMaxIterationCount) {
ONC_LOG_ERROR("Too many iterations in encrypted ONC");
return scoped_ptr<base::DictionaryValue>();
}
if (!base::Base64Decode(salt, &salt)) {
ONC_LOG_ERROR(kUnableToDecode);
return scoped_ptr<base::DictionaryValue>();
}
scoped_ptr<crypto::SymmetricKey> key(
crypto::SymmetricKey::DeriveKeyFromPassword(crypto::SymmetricKey::AES,
passphrase,
salt,
iterations,
kKeySizeInBits));
if (!base::Base64Decode(initial_vector, &initial_vector)) {
ONC_LOG_ERROR(kUnableToDecode);
return scoped_ptr<base::DictionaryValue>();
}
if (!base::Base64Decode(ciphertext, &ciphertext)) {
ONC_LOG_ERROR(kUnableToDecode);
return scoped_ptr<base::DictionaryValue>();
}
if (!base::Base64Decode(hmac, &hmac)) {
ONC_LOG_ERROR(kUnableToDecode);
return scoped_ptr<base::DictionaryValue>();
}
crypto::HMAC hmac_verifier(crypto::HMAC::SHA1);
if (!hmac_verifier.Init(key.get()) ||
!hmac_verifier.Verify(ciphertext, hmac)) {
ONC_LOG_ERROR(kUnableToDecrypt);
return scoped_ptr<base::DictionaryValue>();
}
crypto::Encryptor decryptor;
if (!decryptor.Init(key.get(), crypto::Encryptor::CBC, initial_vector)) {
ONC_LOG_ERROR(kUnableToDecrypt);
return scoped_ptr<base::DictionaryValue>();
}
std::string plaintext;
if (!decryptor.Decrypt(ciphertext, &plaintext)) {
ONC_LOG_ERROR(kUnableToDecrypt);
return scoped_ptr<base::DictionaryValue>();
}
scoped_ptr<base::DictionaryValue> new_root =
ReadDictionaryFromJson(plaintext);
if (new_root.get() == NULL) {
ONC_LOG_ERROR("Property dictionary malformed.");
return scoped_ptr<base::DictionaryValue>();
}
return new_root.Pass();
}
std::string GetSourceAsString(ONCSource source) {
switch (source) {
case ONC_SOURCE_UNKNOWN:
return "unknown";
case ONC_SOURCE_NONE:
return "none";
case ONC_SOURCE_DEVICE_POLICY:
return "device policy";
case ONC_SOURCE_USER_POLICY:
return "user policy";
case ONC_SOURCE_USER_IMPORT:
return "user import";
}
NOTREACHED() << "unknown ONC source " << source;
return "unknown";
}
void ExpandField(const std::string& fieldname,
const StringSubstitution& substitution,
base::DictionaryValue* onc_object) {
std::string user_string;
if (!onc_object->GetStringWithoutPathExpansion(fieldname, &user_string))
return;
std::string login_id;
if (substitution.GetSubstitute(substitutes::kLoginIDField, &login_id)) {
ReplaceSubstringsAfterOffset(&user_string, 0,
substitutes::kLoginIDField,
login_id);
}
std::string email;
if (substitution.GetSubstitute(substitutes::kEmailField, &email)) {
ReplaceSubstringsAfterOffset(&user_string, 0,
substitutes::kEmailField,
email);
}
onc_object->SetStringWithoutPathExpansion(fieldname, user_string);
}
void ExpandStringsInOncObject(
const OncValueSignature& signature,
const StringSubstitution& substitution,
base::DictionaryValue* onc_object) {
if (&signature == &kEAPSignature) {
ExpandField(eap::kAnonymousIdentity, substitution, onc_object);
ExpandField(eap::kIdentity, substitution, onc_object);
} else if (&signature == &kL2TPSignature ||
&signature == &kOpenVPNSignature) {
ExpandField(vpn::kUsername, substitution, onc_object);
}
// Recurse into nested objects.
for (base::DictionaryValue::Iterator it(*onc_object); !it.IsAtEnd();
it.Advance()) {
base::DictionaryValue* inner_object = NULL;
if (!onc_object->GetDictionaryWithoutPathExpansion(it.key(), &inner_object))
continue;
const OncFieldSignature* field_signature =
GetFieldSignature(signature, it.key());
if (!field_signature)
continue;
ExpandStringsInOncObject(*field_signature->value_signature,
substitution, inner_object);
}
}
void ExpandStringsInNetworks(const StringSubstitution& substitution,
base::ListValue* network_configs) {
for (base::ListValue::iterator it = network_configs->begin();
it != network_configs->end(); ++it) {
base::DictionaryValue* network = NULL;
(*it)->GetAsDictionary(&network);
DCHECK(network);
ExpandStringsInOncObject(
kNetworkConfigurationSignature, substitution, network);
}
}
void FillInHexSSIDFieldsInOncObject(const OncValueSignature& signature,
base::DictionaryValue* onc_object) {
if (&signature == &kWiFiSignature)
FillInHexSSIDField(onc_object);
// Recurse into nested objects.
for (base::DictionaryValue::Iterator it(*onc_object); !it.IsAtEnd();
it.Advance()) {
base::DictionaryValue* inner_object = nullptr;
if (!onc_object->GetDictionaryWithoutPathExpansion(it.key(), &inner_object))
continue;
const OncFieldSignature* field_signature =
GetFieldSignature(signature, it.key());
if (!field_signature)
continue;
FillInHexSSIDFieldsInOncObject(*field_signature->value_signature,
inner_object);
}
}
void FillInHexSSIDField(base::DictionaryValue* wifi_fields) {
if (!wifi_fields->HasKey(::onc::wifi::kHexSSID)) {
std::string ssid_string;
wifi_fields->GetStringWithoutPathExpansion(::onc::wifi::kSSID,
&ssid_string);
wifi_fields->SetStringWithoutPathExpansion(
::onc::wifi::kHexSSID,
base::HexEncode(ssid_string.c_str(), ssid_string.size()));
}
}
namespace {
class OncMaskValues : public Mapper {
public:
static scoped_ptr<base::DictionaryValue> Mask(
const OncValueSignature& signature,
const base::DictionaryValue& onc_object,
const std::string& mask) {
OncMaskValues masker(mask);
bool unused_error;
return masker.MapObject(signature, onc_object, &unused_error);
}
protected:
explicit OncMaskValues(const std::string& mask)
: mask_(mask) {
}
virtual scoped_ptr<base::Value> MapField(
const std::string& field_name,
const OncValueSignature& object_signature,
const base::Value& onc_value,
bool* found_unknown_field,
bool* error) override {
if (FieldIsCredential(object_signature, field_name)) {
return scoped_ptr<base::Value>(new base::StringValue(mask_));
} else {
return Mapper::MapField(field_name, object_signature, onc_value,
found_unknown_field, error);
}
}
// Mask to insert in place of the sensitive values.
std::string mask_;
};
} // namespace
scoped_ptr<base::DictionaryValue> MaskCredentialsInOncObject(
const OncValueSignature& signature,
const base::DictionaryValue& onc_object,
const std::string& mask) {
return OncMaskValues::Mask(signature, onc_object, mask);
}
namespace {
std::string DecodePEM(const std::string& pem_encoded) {
// The PEM block header used for DER certificates
const char kCertificateHeader[] = "CERTIFICATE";
// This is an older PEM marker for DER certificates.
const char kX509CertificateHeader[] = "X509 CERTIFICATE";
std::vector<std::string> pem_headers;
pem_headers.push_back(kCertificateHeader);
pem_headers.push_back(kX509CertificateHeader);
net::PEMTokenizer pem_tokenizer(pem_encoded, pem_headers);
std::string decoded;
if (pem_tokenizer.GetNext()) {
decoded = pem_tokenizer.data();
} else {
// If we failed to read the data as a PEM file, then try plain base64 decode
// in case the PEM marker strings are missing. For this to work, there has
// to be no white space, and it has to only contain the base64-encoded data.
if (!base::Base64Decode(pem_encoded, &decoded)) {
LOG(ERROR) << "Unable to base64 decode X509 data: " << pem_encoded;
return std::string();
}
}
return decoded;
}
CertPEMsByGUIDMap GetServerAndCACertsByGUID(
const base::ListValue& certificates) {
CertPEMsByGUIDMap certs_by_guid;
for (base::ListValue::const_iterator it = certificates.begin();
it != certificates.end(); ++it) {
base::DictionaryValue* cert = NULL;
(*it)->GetAsDictionary(&cert);
std::string guid;
cert->GetStringWithoutPathExpansion(certificate::kGUID, &guid);
std::string cert_type;
cert->GetStringWithoutPathExpansion(certificate::kType, &cert_type);
if (cert_type != certificate::kServer &&
cert_type != certificate::kAuthority) {
continue;
}
std::string x509_data;
cert->GetStringWithoutPathExpansion(certificate::kX509, &x509_data);
std::string der = DecodePEM(x509_data);
std::string pem;
if (der.empty() || !net::X509Certificate::GetPEMEncodedFromDER(der, &pem)) {
LOG(ERROR) << "Certificate with GUID " << guid
<< " is not in PEM encoding.";
continue;
}
certs_by_guid[guid] = pem;
}
return certs_by_guid;
}
} // namespace
bool ParseAndValidateOncForImport(const std::string& onc_blob,
ONCSource onc_source,
const std::string& passphrase,
base::ListValue* network_configs,
base::DictionaryValue* global_network_config,
base::ListValue* certificates) {
network_configs->Clear();
global_network_config->Clear();
certificates->Clear();
if (onc_blob.empty())
return true;
scoped_ptr<base::DictionaryValue> toplevel_onc =
ReadDictionaryFromJson(onc_blob);
if (toplevel_onc.get() == NULL) {
LOG(ERROR) << "ONC loaded from " << GetSourceAsString(onc_source)
<< " is not a valid JSON dictionary.";
return false;
}
// Check and see if this is an encrypted ONC file. If so, decrypt it.
std::string onc_type;
toplevel_onc->GetStringWithoutPathExpansion(toplevel_config::kType,
&onc_type);
if (onc_type == toplevel_config::kEncryptedConfiguration) {
toplevel_onc = Decrypt(passphrase, *toplevel_onc);
if (toplevel_onc.get() == NULL) {
LOG(ERROR) << "Couldn't decrypt the ONC from "
<< GetSourceAsString(onc_source);
return false;
}
}
bool from_policy = (onc_source == ONC_SOURCE_USER_POLICY ||
onc_source == ONC_SOURCE_DEVICE_POLICY);
// Validate the ONC dictionary. We are liberal and ignore unknown field
// names and ignore invalid field names in kRecommended arrays.
Validator validator(false, // Ignore unknown fields.
false, // Ignore invalid recommended field names.
true, // Fail on missing fields.
from_policy);
validator.SetOncSource(onc_source);
Validator::Result validation_result;
toplevel_onc = validator.ValidateAndRepairObject(
&kToplevelConfigurationSignature,
*toplevel_onc,
&validation_result);
FillInHexSSIDFieldsInOncObject(kToplevelConfigurationSignature,
toplevel_onc.get());
if (from_policy) {
UMA_HISTOGRAM_BOOLEAN("Enterprise.ONC.PolicyValidation",
validation_result == Validator::VALID);
}
bool success = true;
if (validation_result == Validator::VALID_WITH_WARNINGS) {
LOG(WARNING) << "ONC from " << GetSourceAsString(onc_source)
<< " produced warnings.";
success = false;
} else if (validation_result == Validator::INVALID || toplevel_onc == NULL) {
LOG(ERROR) << "ONC from " << GetSourceAsString(onc_source)
<< " is invalid and couldn't be repaired.";
return false;
}
base::ListValue* validated_certs = NULL;
if (toplevel_onc->GetListWithoutPathExpansion(toplevel_config::kCertificates,
&validated_certs)) {
certificates->Swap(validated_certs);
}
base::ListValue* validated_networks = NULL;
if (toplevel_onc->GetListWithoutPathExpansion(
toplevel_config::kNetworkConfigurations, &validated_networks)) {
CertPEMsByGUIDMap server_and_ca_certs =
GetServerAndCACertsByGUID(*certificates);
if (!ResolveServerCertRefsInNetworks(server_and_ca_certs,
validated_networks)) {
LOG(ERROR) << "Some certificate references in the ONC policy for source "
<< GetSourceAsString(onc_source) << " could not be resolved.";
success = false;
}
network_configs->Swap(validated_networks);
}
base::DictionaryValue* validated_global_config = NULL;
if (toplevel_onc->GetDictionaryWithoutPathExpansion(
toplevel_config::kGlobalNetworkConfiguration,
&validated_global_config)) {
global_network_config->Swap(validated_global_config);
}
return success;
}
scoped_refptr<net::X509Certificate> DecodePEMCertificate(
const std::string& pem_encoded) {
std::string decoded = DecodePEM(pem_encoded);
scoped_refptr<net::X509Certificate> cert =
net::X509Certificate::CreateFromBytes(decoded.data(), decoded.size());
LOG_IF(ERROR, !cert.get()) << "Couldn't create certificate from X509 data: "
<< decoded;
return cert;
}
namespace {
bool GUIDRefToPEMEncoding(const CertPEMsByGUIDMap& certs_by_guid,
const std::string& guid_ref,
std::string* pem_encoded) {
CertPEMsByGUIDMap::const_iterator it = certs_by_guid.find(guid_ref);
if (it == certs_by_guid.end()) {
LOG(ERROR) << "Couldn't resolve certificate reference " << guid_ref;
return false;
}
*pem_encoded = it->second;
if (pem_encoded->empty()) {
LOG(ERROR) << "Couldn't PEM-encode certificate with GUID " << guid_ref;
return false;
}
return true;
}
bool ResolveSingleCertRef(const CertPEMsByGUIDMap& certs_by_guid,
const std::string& key_guid_ref,
const std::string& key_pem,
base::DictionaryValue* onc_object) {
std::string guid_ref;
if (!onc_object->GetStringWithoutPathExpansion(key_guid_ref, &guid_ref))
return true;
std::string pem_encoded;
if (!GUIDRefToPEMEncoding(certs_by_guid, guid_ref, &pem_encoded))
return false;
onc_object->RemoveWithoutPathExpansion(key_guid_ref, NULL);
onc_object->SetStringWithoutPathExpansion(key_pem, pem_encoded);
return true;
}
bool ResolveCertRefList(const CertPEMsByGUIDMap& certs_by_guid,
const std::string& key_guid_ref_list,
const std::string& key_pem_list,
base::DictionaryValue* onc_object) {
const base::ListValue* guid_ref_list = NULL;
if (!onc_object->GetListWithoutPathExpansion(key_guid_ref_list,
&guid_ref_list)) {
return true;
}
scoped_ptr<base::ListValue> pem_list(new base::ListValue);
for (base::ListValue::const_iterator it = guid_ref_list->begin();
it != guid_ref_list->end(); ++it) {
std::string guid_ref;
(*it)->GetAsString(&guid_ref);
std::string pem_encoded;
if (!GUIDRefToPEMEncoding(certs_by_guid, guid_ref, &pem_encoded))
return false;
pem_list->AppendString(pem_encoded);
}
onc_object->RemoveWithoutPathExpansion(key_guid_ref_list, NULL);
onc_object->SetWithoutPathExpansion(key_pem_list, pem_list.release());
return true;
}
bool ResolveSingleCertRefToList(const CertPEMsByGUIDMap& certs_by_guid,
const std::string& key_guid_ref,
const std::string& key_pem_list,
base::DictionaryValue* onc_object) {
std::string guid_ref;
if (!onc_object->GetStringWithoutPathExpansion(key_guid_ref, &guid_ref))
return true;
std::string pem_encoded;
if (!GUIDRefToPEMEncoding(certs_by_guid, guid_ref, &pem_encoded))
return false;
scoped_ptr<base::ListValue> pem_list(new base::ListValue);
pem_list->AppendString(pem_encoded);
onc_object->RemoveWithoutPathExpansion(key_guid_ref, NULL);
onc_object->SetWithoutPathExpansion(key_pem_list, pem_list.release());
return true;
}
// Resolves the reference list at |key_guid_refs| if present and otherwise the
// single reference at |key_guid_ref|. Returns whether the respective resolving
// was successful.
bool ResolveCertRefsOrRefToList(const CertPEMsByGUIDMap& certs_by_guid,
const std::string& key_guid_refs,
const std::string& key_guid_ref,
const std::string& key_pem_list,
base::DictionaryValue* onc_object) {
if (onc_object->HasKey(key_guid_refs)) {
if (onc_object->HasKey(key_guid_ref)) {
LOG(ERROR) << "Found both " << key_guid_refs << " and " << key_guid_ref
<< ". Ignoring and removing the latter.";
onc_object->RemoveWithoutPathExpansion(key_guid_ref, NULL);
}
return ResolveCertRefList(
certs_by_guid, key_guid_refs, key_pem_list, onc_object);
}
// Only resolve |key_guid_ref| if |key_guid_refs| isn't present.
return ResolveSingleCertRefToList(
certs_by_guid, key_guid_ref, key_pem_list, onc_object);
}
bool ResolveServerCertRefsInObject(const CertPEMsByGUIDMap& certs_by_guid,
const OncValueSignature& signature,
base::DictionaryValue* onc_object) {
if (&signature == &kCertificatePatternSignature) {
if (!ResolveCertRefList(certs_by_guid,
client_cert::kIssuerCARef,
client_cert::kIssuerCAPEMs,
onc_object)) {
return false;
}
} else if (&signature == &kEAPSignature) {
if (!ResolveCertRefsOrRefToList(certs_by_guid,
eap::kServerCARefs,
eap::kServerCARef,
eap::kServerCAPEMs,
onc_object)) {
return false;
}
} else if (&signature == &kIPsecSignature) {
if (!ResolveCertRefsOrRefToList(certs_by_guid,
ipsec::kServerCARefs,
ipsec::kServerCARef,
ipsec::kServerCAPEMs,
onc_object)) {
return false;
}
} else if (&signature == &kIPsecSignature ||
&signature == &kOpenVPNSignature) {
if (!ResolveSingleCertRef(certs_by_guid,
openvpn::kServerCertRef,
openvpn::kServerCertPEM,
onc_object) ||
!ResolveCertRefsOrRefToList(certs_by_guid,
openvpn::kServerCARefs,
openvpn::kServerCARef,
openvpn::kServerCAPEMs,
onc_object)) {
return false;
}
}
// Recurse into nested objects.
for (base::DictionaryValue::Iterator it(*onc_object); !it.IsAtEnd();
it.Advance()) {
base::DictionaryValue* inner_object = NULL;
if (!onc_object->GetDictionaryWithoutPathExpansion(it.key(), &inner_object))
continue;
const OncFieldSignature* field_signature =
GetFieldSignature(signature, it.key());
if (!field_signature)
continue;
if (!ResolveServerCertRefsInObject(certs_by_guid,
*field_signature->value_signature,
inner_object)) {
return false;
}
}
return true;
}
} // namespace
bool ResolveServerCertRefsInNetworks(const CertPEMsByGUIDMap& certs_by_guid,
base::ListValue* network_configs) {
bool success = true;
for (base::ListValue::iterator it = network_configs->begin();
it != network_configs->end(); ) {
base::DictionaryValue* network = NULL;
(*it)->GetAsDictionary(&network);
if (!ResolveServerCertRefsInNetwork(certs_by_guid, network)) {
std::string guid;
network->GetStringWithoutPathExpansion(network_config::kGUID, &guid);
// This might happen even with correct validation, if the referenced
// certificate couldn't be imported.
LOG(ERROR) << "Couldn't resolve some certificate reference of network "
<< guid;
it = network_configs->Erase(it, NULL);
success = false;
continue;
}
++it;
}
return success;
}
bool ResolveServerCertRefsInNetwork(const CertPEMsByGUIDMap& certs_by_guid,
base::DictionaryValue* network_config) {
return ResolveServerCertRefsInObject(certs_by_guid,
kNetworkConfigurationSignature,
network_config);
}
NetworkTypePattern NetworkTypePatternFromOncType(const std::string& type) {
if (type == ::onc::network_type::kAllTypes)
return NetworkTypePattern::Default();
if (type == ::onc::network_type::kCellular)
return NetworkTypePattern::Cellular();
if (type == ::onc::network_type::kEthernet)
return NetworkTypePattern::Ethernet();
if (type == ::onc::network_type::kVPN)
return NetworkTypePattern::VPN();
if (type == ::onc::network_type::kWiFi)
return NetworkTypePattern::WiFi();
if (type == ::onc::network_type::kWimax)
return NetworkTypePattern::Wimax();
if (type == ::onc::network_type::kWireless)
return NetworkTypePattern::Wireless();
NOTREACHED();
return NetworkTypePattern::Default();
}
bool IsRecommendedValue(const base::DictionaryValue* onc,
const std::string& property_key) {
std::string property_basename, recommended_property_key;
size_t pos = property_key.find_last_of('.');
if (pos != std::string::npos) {
// 'WiFi.AutoConnect' -> 'AutoConnect', 'WiFi.Recommended'
property_basename = property_key.substr(pos + 1);
recommended_property_key =
property_key.substr(0, pos + 1) + ::onc::kRecommended;
} else {
// 'Name' -> 'Name', 'Recommended'
property_basename = property_key;
recommended_property_key = ::onc::kRecommended;
}
const base::ListValue* recommended_keys = NULL;
return (onc->GetList(recommended_property_key, &recommended_keys) &&
recommended_keys->Find(base::StringValue(property_basename)) !=
recommended_keys->end());
}
} // namespace onc
} // namespace chromeos
|