-
Notifications
You must be signed in to change notification settings - Fork 29.1k
/
crypto_context.cc
1361 lines (1123 loc) · 42.8 KB
/
crypto_context.cc
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
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#include "crypto/crypto_context.h"
#include "crypto/crypto_bio.h"
#include "crypto/crypto_common.h"
#include "crypto/crypto_util.h"
#include "base_object-inl.h"
#include "env-inl.h"
#include "memory_tracker-inl.h"
#include "node.h"
#include "node_buffer.h"
#include "node_options.h"
#include "util.h"
#include "v8.h"
#include <openssl/x509.h>
#include <openssl/pkcs12.h>
#include <openssl/rand.h>
#ifndef OPENSSL_NO_ENGINE
#include <openssl/engine.h>
#endif // !OPENSSL_NO_ENGINE
namespace node {
using v8::Array;
using v8::ArrayBufferView;
using v8::Context;
using v8::DontDelete;
using v8::Exception;
using v8::External;
using v8::FunctionCallbackInfo;
using v8::FunctionTemplate;
using v8::HandleScope;
using v8::Int32;
using v8::Integer;
using v8::Local;
using v8::Object;
using v8::PropertyAttribute;
using v8::ReadOnly;
using v8::Signature;
using v8::String;
using v8::Value;
namespace crypto {
static const char* const root_certs[] = {
#include "node_root_certs.h" // NOLINT(build/include_order)
};
static const char system_cert_path[] = NODE_OPENSSL_SYSTEM_CERT_PATH;
static X509_STORE* root_cert_store;
static bool extra_root_certs_loaded = false;
// Takes a string or buffer and loads it into a BIO.
// Caller responsible for BIO_free_all-ing the returned object.
BIOPointer LoadBIO(Environment* env, Local<Value> v) {
HandleScope scope(env->isolate());
if (v->IsString()) {
Utf8Value s(env->isolate(), v);
return NodeBIO::NewFixed(*s, s.length());
}
if (v->IsArrayBufferView()) {
ArrayBufferViewContents<char> buf(v.As<ArrayBufferView>());
return NodeBIO::NewFixed(buf.data(), buf.length());
}
return nullptr;
}
namespace {
int SSL_CTX_use_certificate_chain(SSL_CTX* ctx,
X509Pointer&& x,
STACK_OF(X509)* extra_certs,
X509Pointer* cert,
X509Pointer* issuer_) {
CHECK(!*issuer_);
CHECK(!*cert);
X509* issuer = nullptr;
int ret = SSL_CTX_use_certificate(ctx, x.get());
if (ret) {
// If we could set up our certificate, now proceed to
// the CA certificates.
SSL_CTX_clear_extra_chain_certs(ctx);
for (int i = 0; i < sk_X509_num(extra_certs); i++) {
X509* ca = sk_X509_value(extra_certs, i);
// NOTE: Increments reference count on `ca`
if (!SSL_CTX_add1_chain_cert(ctx, ca)) {
ret = 0;
issuer = nullptr;
break;
}
// Note that we must not free r if it was successfully
// added to the chain (while we must free the main
// certificate, since its reference count is increased
// by SSL_CTX_use_certificate).
// Find issuer
if (issuer != nullptr || X509_check_issued(ca, x.get()) != X509_V_OK)
continue;
issuer = ca;
}
}
// Try getting issuer from a cert store
if (ret) {
if (issuer == nullptr) {
// TODO(tniessen): SSL_CTX_get_issuer does not allow the caller to
// distinguish between a failed operation and an empty result. Fix that
// and then handle the potential error properly here (set ret to 0).
*issuer_ = SSL_CTX_get_issuer(ctx, x.get());
// NOTE: get_cert_store doesn't increment reference count,
// no need to free `store`
} else {
// Increment issuer reference count
issuer_->reset(X509_dup(issuer));
if (!*issuer_) {
ret = 0;
}
}
}
if (ret && x != nullptr) {
cert->reset(X509_dup(x.get()));
if (!*cert)
ret = 0;
}
return ret;
}
// Read a file that contains our certificate in "PEM" format,
// possibly followed by a sequence of CA certificates that should be
// sent to the peer in the Certificate message.
//
// Taken from OpenSSL - edited for style.
int SSL_CTX_use_certificate_chain(SSL_CTX* ctx,
BIOPointer&& in,
X509Pointer* cert,
X509Pointer* issuer) {
// Just to ensure that `ERR_peek_last_error` below will return only errors
// that we are interested in
ERR_clear_error();
X509Pointer x(
PEM_read_bio_X509_AUX(in.get(), nullptr, NoPasswordCallback, nullptr));
if (!x)
return 0;
unsigned long err = 0; // NOLINT(runtime/int)
StackOfX509 extra_certs(sk_X509_new_null());
if (!extra_certs)
return 0;
while (X509Pointer extra {PEM_read_bio_X509(in.get(),
nullptr,
NoPasswordCallback,
nullptr)}) {
if (sk_X509_push(extra_certs.get(), extra.get())) {
extra.release();
continue;
}
return 0;
}
// When the while loop ends, it's usually just EOF.
err = ERR_peek_last_error();
if (ERR_GET_LIB(err) == ERR_LIB_PEM &&
ERR_GET_REASON(err) == PEM_R_NO_START_LINE) {
ERR_clear_error();
} else {
// some real error
return 0;
}
return SSL_CTX_use_certificate_chain(ctx,
std::move(x),
extra_certs.get(),
cert,
issuer);
}
} // namespace
X509_STORE* NewRootCertStore() {
static std::vector<X509*> root_certs_vector;
static Mutex root_certs_vector_mutex;
Mutex::ScopedLock lock(root_certs_vector_mutex);
if (root_certs_vector.empty() &&
per_process::cli_options->ssl_openssl_cert_store == false) {
for (size_t i = 0; i < arraysize(root_certs); i++) {
X509* x509 =
PEM_read_bio_X509(NodeBIO::NewFixed(root_certs[i],
strlen(root_certs[i])).get(),
nullptr, // no re-use of X509 structure
NoPasswordCallback,
nullptr); // no callback data
// Parse errors from the built-in roots are fatal.
CHECK_NOT_NULL(x509);
root_certs_vector.push_back(x509);
}
}
X509_STORE* store = X509_STORE_new();
if (*system_cert_path != '\0') {
ERR_set_mark();
X509_STORE_load_locations(store, system_cert_path, nullptr);
ERR_pop_to_mark();
}
Mutex::ScopedLock cli_lock(node::per_process::cli_options_mutex);
if (per_process::cli_options->ssl_openssl_cert_store) {
X509_STORE_set_default_paths(store);
} else {
for (X509* cert : root_certs_vector) {
X509_up_ref(cert);
X509_STORE_add_cert(store, cert);
}
}
return store;
}
void GetRootCertificates(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
Local<Value> result[arraysize(root_certs)];
for (size_t i = 0; i < arraysize(root_certs); i++) {
if (!String::NewFromOneByte(
env->isolate(),
reinterpret_cast<const uint8_t*>(root_certs[i]))
.ToLocal(&result[i])) {
return;
}
}
args.GetReturnValue().Set(
Array::New(env->isolate(), result, arraysize(root_certs)));
}
bool SecureContext::HasInstance(Environment* env, const Local<Value>& value) {
return GetConstructorTemplate(env)->HasInstance(value);
}
Local<FunctionTemplate> SecureContext::GetConstructorTemplate(
Environment* env) {
Local<FunctionTemplate> tmpl = env->secure_context_constructor_template();
if (tmpl.IsEmpty()) {
tmpl = env->NewFunctionTemplate(New);
tmpl->InstanceTemplate()->SetInternalFieldCount(
SecureContext::kInternalFieldCount);
tmpl->Inherit(BaseObject::GetConstructorTemplate(env));
tmpl->SetClassName(FIXED_ONE_BYTE_STRING(env->isolate(), "SecureContext"));
env->SetProtoMethod(tmpl, "init", Init);
env->SetProtoMethod(tmpl, "setKey", SetKey);
env->SetProtoMethod(tmpl, "setCert", SetCert);
env->SetProtoMethod(tmpl, "addCACert", AddCACert);
env->SetProtoMethod(tmpl, "addCRL", AddCRL);
env->SetProtoMethod(tmpl, "addRootCerts", AddRootCerts);
env->SetProtoMethod(tmpl, "setCipherSuites", SetCipherSuites);
env->SetProtoMethod(tmpl, "setCiphers", SetCiphers);
env->SetProtoMethod(tmpl, "setSigalgs", SetSigalgs);
env->SetProtoMethod(tmpl, "setECDHCurve", SetECDHCurve);
env->SetProtoMethod(tmpl, "setDHParam", SetDHParam);
env->SetProtoMethod(tmpl, "setMaxProto", SetMaxProto);
env->SetProtoMethod(tmpl, "setMinProto", SetMinProto);
env->SetProtoMethod(tmpl, "getMaxProto", GetMaxProto);
env->SetProtoMethod(tmpl, "getMinProto", GetMinProto);
env->SetProtoMethod(tmpl, "setOptions", SetOptions);
env->SetProtoMethod(tmpl, "setSessionIdContext", SetSessionIdContext);
env->SetProtoMethod(tmpl, "setSessionTimeout", SetSessionTimeout);
env->SetProtoMethod(tmpl, "close", Close);
env->SetProtoMethod(tmpl, "loadPKCS12", LoadPKCS12);
env->SetProtoMethod(tmpl, "setTicketKeys", SetTicketKeys);
env->SetProtoMethod(tmpl, "setFreeListLength", SetFreeListLength);
env->SetProtoMethod(tmpl, "enableTicketKeyCallback",
EnableTicketKeyCallback);
env->SetProtoMethodNoSideEffect(tmpl, "getTicketKeys", GetTicketKeys);
env->SetProtoMethodNoSideEffect(tmpl, "getCertificate",
GetCertificate<true>);
env->SetProtoMethodNoSideEffect(tmpl, "getIssuer",
GetCertificate<false>);
#ifndef OPENSSL_NO_ENGINE
env->SetProtoMethod(tmpl, "setEngineKey", SetEngineKey);
env->SetProtoMethod(tmpl, "setClientCertEngine", SetClientCertEngine);
#endif // !OPENSSL_NO_ENGINE
#define SET_INTEGER_CONSTANTS(name, value) \
tmpl->Set(FIXED_ONE_BYTE_STRING(env->isolate(), name), \
Integer::NewFromUnsigned(env->isolate(), value));
SET_INTEGER_CONSTANTS("kTicketKeyReturnIndex", kTicketKeyReturnIndex);
SET_INTEGER_CONSTANTS("kTicketKeyHMACIndex", kTicketKeyHMACIndex);
SET_INTEGER_CONSTANTS("kTicketKeyAESIndex", kTicketKeyAESIndex);
SET_INTEGER_CONSTANTS("kTicketKeyNameIndex", kTicketKeyNameIndex);
SET_INTEGER_CONSTANTS("kTicketKeyIVIndex", kTicketKeyIVIndex);
#undef SET_INTEGER_CONSTANTS
Local<FunctionTemplate> ctx_getter_templ =
FunctionTemplate::New(env->isolate(),
CtxGetter,
Local<Value>(),
Signature::New(env->isolate(), tmpl));
tmpl->PrototypeTemplate()->SetAccessorProperty(
FIXED_ONE_BYTE_STRING(env->isolate(), "_external"),
ctx_getter_templ,
Local<FunctionTemplate>(),
static_cast<PropertyAttribute>(ReadOnly | DontDelete));
env->set_secure_context_constructor_template(tmpl);
}
return tmpl;
}
void SecureContext::Initialize(Environment* env, Local<Object> target) {
env->SetConstructorFunction(
target,
"SecureContext",
GetConstructorTemplate(env),
Environment::SetConstructorFunctionFlag::NONE);
env->SetMethodNoSideEffect(target, "getRootCertificates",
GetRootCertificates);
// Exposed for testing purposes only.
env->SetMethodNoSideEffect(target, "isExtraRootCertsFileLoaded",
IsExtraRootCertsFileLoaded);
}
void SecureContext::RegisterExternalReferences(
ExternalReferenceRegistry* registry) {
registry->Register(New);
registry->Register(Init);
registry->Register(SetKey);
registry->Register(SetCert);
registry->Register(AddCACert);
registry->Register(AddCRL);
registry->Register(AddRootCerts);
registry->Register(SetCipherSuites);
registry->Register(SetCiphers);
registry->Register(SetSigalgs);
registry->Register(SetECDHCurve);
registry->Register(SetDHParam);
registry->Register(SetMaxProto);
registry->Register(SetMinProto);
registry->Register(GetMaxProto);
registry->Register(GetMinProto);
registry->Register(SetOptions);
registry->Register(SetSessionIdContext);
registry->Register(SetSessionTimeout);
registry->Register(Close);
registry->Register(LoadPKCS12);
registry->Register(SetTicketKeys);
registry->Register(SetFreeListLength);
registry->Register(EnableTicketKeyCallback);
registry->Register(GetTicketKeys);
registry->Register(GetCertificate<true>);
registry->Register(GetCertificate<false>);
#ifndef OPENSSL_NO_ENGINE
registry->Register(SetEngineKey);
registry->Register(SetClientCertEngine);
#endif // !OPENSSL_NO_ENGINE
registry->Register(CtxGetter);
registry->Register(GetRootCertificates);
registry->Register(IsExtraRootCertsFileLoaded);
}
SecureContext* SecureContext::Create(Environment* env) {
Local<Object> obj;
if (!GetConstructorTemplate(env)
->InstanceTemplate()
->NewInstance(env->context()).ToLocal(&obj)) {
return nullptr;
}
return new SecureContext(env, obj);
}
SecureContext::SecureContext(Environment* env, Local<Object> wrap)
: BaseObject(env, wrap) {
MakeWeak();
env->isolate()->AdjustAmountOfExternalAllocatedMemory(kExternalSize);
}
inline void SecureContext::Reset() {
if (ctx_ != nullptr) {
env()->isolate()->AdjustAmountOfExternalAllocatedMemory(-kExternalSize);
}
ctx_.reset();
cert_.reset();
issuer_.reset();
}
SecureContext::~SecureContext() {
Reset();
}
void SecureContext::New(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
new SecureContext(env, args.This());
}
void SecureContext::Init(const FunctionCallbackInfo<Value>& args) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
Environment* env = sc->env();
CHECK_EQ(args.Length(), 3);
CHECK(args[1]->IsInt32());
CHECK(args[2]->IsInt32());
int min_version = args[1].As<Int32>()->Value();
int max_version = args[2].As<Int32>()->Value();
const SSL_METHOD* method = TLS_method();
if (max_version == 0)
max_version = kMaxSupportedVersion;
if (args[0]->IsString()) {
Utf8Value sslmethod(env->isolate(), args[0]);
// Note that SSLv2 and SSLv3 are disallowed but SSLv23_method and friends
// are still accepted. They are OpenSSL's way of saying that all known
// protocols below TLS 1.3 are supported unless explicitly disabled (which
// we do below for SSLv2 and SSLv3.)
if (sslmethod == "SSLv2_method" ||
sslmethod == "SSLv2_server_method" ||
sslmethod == "SSLv2_client_method") {
THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv2 methods disabled");
return;
} else if (sslmethod == "SSLv3_method" ||
sslmethod == "SSLv3_server_method" ||
sslmethod == "SSLv3_client_method") {
THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv3 methods disabled");
return;
} else if (sslmethod == "SSLv23_method") {
max_version = TLS1_2_VERSION;
} else if (sslmethod == "SSLv23_server_method") {
max_version = TLS1_2_VERSION;
method = TLS_server_method();
} else if (sslmethod == "SSLv23_client_method") {
max_version = TLS1_2_VERSION;
method = TLS_client_method();
} else if (sslmethod == "TLS_method") {
min_version = 0;
max_version = kMaxSupportedVersion;
} else if (sslmethod == "TLS_server_method") {
min_version = 0;
max_version = kMaxSupportedVersion;
method = TLS_server_method();
} else if (sslmethod == "TLS_client_method") {
min_version = 0;
max_version = kMaxSupportedVersion;
method = TLS_client_method();
} else if (sslmethod == "TLSv1_method") {
min_version = TLS1_VERSION;
max_version = TLS1_VERSION;
} else if (sslmethod == "TLSv1_server_method") {
min_version = TLS1_VERSION;
max_version = TLS1_VERSION;
method = TLS_server_method();
} else if (sslmethod == "TLSv1_client_method") {
min_version = TLS1_VERSION;
max_version = TLS1_VERSION;
method = TLS_client_method();
} else if (sslmethod == "TLSv1_1_method") {
min_version = TLS1_1_VERSION;
max_version = TLS1_1_VERSION;
} else if (sslmethod == "TLSv1_1_server_method") {
min_version = TLS1_1_VERSION;
max_version = TLS1_1_VERSION;
method = TLS_server_method();
} else if (sslmethod == "TLSv1_1_client_method") {
min_version = TLS1_1_VERSION;
max_version = TLS1_1_VERSION;
method = TLS_client_method();
} else if (sslmethod == "TLSv1_2_method") {
min_version = TLS1_2_VERSION;
max_version = TLS1_2_VERSION;
} else if (sslmethod == "TLSv1_2_server_method") {
min_version = TLS1_2_VERSION;
max_version = TLS1_2_VERSION;
method = TLS_server_method();
} else if (sslmethod == "TLSv1_2_client_method") {
min_version = TLS1_2_VERSION;
max_version = TLS1_2_VERSION;
method = TLS_client_method();
} else {
const std::string msg("Unknown method: ");
THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, (msg + * sslmethod).c_str());
return;
}
}
sc->ctx_.reset(SSL_CTX_new(method));
if (!sc->ctx_) {
return ThrowCryptoError(env, ERR_get_error(), "SSL_CTX_new");
}
SSL_CTX_set_app_data(sc->ctx_.get(), sc);
// Disable SSLv2 in the case when method == TLS_method() and the
// cipher list contains SSLv2 ciphers (not the default, should be rare.)
// The bundled OpenSSL doesn't have SSLv2 support but the system OpenSSL may.
// SSLv3 is disabled because it's susceptible to downgrade attacks (POODLE.)
SSL_CTX_set_options(sc->ctx_.get(), SSL_OP_NO_SSLv2);
SSL_CTX_set_options(sc->ctx_.get(), SSL_OP_NO_SSLv3);
#if OPENSSL_VERSION_MAJOR >= 3
SSL_CTX_set_options(sc->ctx_.get(), SSL_OP_ALLOW_CLIENT_RENEGOTIATION);
#endif
// Enable automatic cert chaining. This is enabled by default in OpenSSL, but
// disabled by default in BoringSSL. Enable it explicitly to make the
// behavior match when Node is built with BoringSSL.
SSL_CTX_clear_mode(sc->ctx_.get(), SSL_MODE_NO_AUTO_CHAIN);
// SSL session cache configuration
SSL_CTX_set_session_cache_mode(sc->ctx_.get(),
SSL_SESS_CACHE_CLIENT |
SSL_SESS_CACHE_SERVER |
SSL_SESS_CACHE_NO_INTERNAL |
SSL_SESS_CACHE_NO_AUTO_CLEAR);
SSL_CTX_set_min_proto_version(sc->ctx_.get(), min_version);
SSL_CTX_set_max_proto_version(sc->ctx_.get(), max_version);
// OpenSSL 1.1.0 changed the ticket key size, but the OpenSSL 1.0.x size was
// exposed in the public API. To retain compatibility, install a callback
// which restores the old algorithm.
if (RAND_bytes(sc->ticket_key_name_, sizeof(sc->ticket_key_name_)) <= 0 ||
RAND_bytes(sc->ticket_key_hmac_, sizeof(sc->ticket_key_hmac_)) <= 0 ||
RAND_bytes(sc->ticket_key_aes_, sizeof(sc->ticket_key_aes_)) <= 0) {
return THROW_ERR_CRYPTO_OPERATION_FAILED(
env, "Error generating ticket keys");
}
SSL_CTX_set_tlsext_ticket_key_cb(sc->ctx_.get(), TicketCompatibilityCallback);
}
SSLPointer SecureContext::CreateSSL() {
return SSLPointer(SSL_new(ctx_.get()));
}
void SecureContext::SetNewSessionCallback(NewSessionCb cb) {
SSL_CTX_sess_set_new_cb(ctx_.get(), cb);
}
void SecureContext::SetGetSessionCallback(GetSessionCb cb) {
SSL_CTX_sess_set_get_cb(ctx_.get(), cb);
}
void SecureContext::SetSelectSNIContextCallback(SelectSNIContextCb cb) {
SSL_CTX_set_tlsext_servername_callback(ctx_.get(), cb);
}
void SecureContext::SetKeylogCallback(KeylogCb cb) {
SSL_CTX_set_keylog_callback(ctx_.get(), cb);
}
void SecureContext::SetKey(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
CHECK_GE(args.Length(), 1); // Private key argument is mandatory
BIOPointer bio(LoadBIO(env, args[0]));
if (!bio)
return;
ByteSource passphrase;
if (args[1]->IsString())
passphrase = ByteSource::FromString(env, args[1].As<String>());
// This redirection is necessary because the PasswordCallback expects a
// pointer to a pointer to the passphrase ByteSource to allow passing in
// const ByteSources.
const ByteSource* pass_ptr = &passphrase;
EVPKeyPointer key(
PEM_read_bio_PrivateKey(bio.get(),
nullptr,
PasswordCallback,
&pass_ptr));
if (!key)
return ThrowCryptoError(env, ERR_get_error(), "PEM_read_bio_PrivateKey");
if (!SSL_CTX_use_PrivateKey(sc->ctx_.get(), key.get()))
return ThrowCryptoError(env, ERR_get_error(), "SSL_CTX_use_PrivateKey");
}
void SecureContext::SetSigalgs(const FunctionCallbackInfo<Value>& args) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
Environment* env = sc->env();
ClearErrorOnReturn clear_error_on_return;
CHECK_EQ(args.Length(), 1);
CHECK(args[0]->IsString());
const Utf8Value sigalgs(env->isolate(), args[0]);
if (!SSL_CTX_set1_sigalgs_list(sc->ctx_.get(), *sigalgs))
return ThrowCryptoError(env, ERR_get_error());
}
#ifndef OPENSSL_NO_ENGINE
void SecureContext::SetEngineKey(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
CHECK_EQ(args.Length(), 2);
CryptoErrorStore errors;
Utf8Value engine_id(env->isolate(), args[1]);
EnginePointer engine = LoadEngineById(*engine_id, &errors);
if (!engine) {
Local<Value> exception;
if (errors.ToException(env).ToLocal(&exception))
env->isolate()->ThrowException(exception);
return;
}
if (!ENGINE_init(engine.get())) {
return THROW_ERR_CRYPTO_OPERATION_FAILED(
env, "Failure to initialize engine");
}
engine.finish_on_exit = true;
Utf8Value key_name(env->isolate(), args[0]);
EVPKeyPointer key(ENGINE_load_private_key(engine.get(), *key_name,
nullptr, nullptr));
if (!key)
return ThrowCryptoError(env, ERR_get_error(), "ENGINE_load_private_key");
if (!SSL_CTX_use_PrivateKey(sc->ctx_.get(), key.get()))
return ThrowCryptoError(env, ERR_get_error(), "SSL_CTX_use_PrivateKey");
sc->private_key_engine_ = std::move(engine);
}
#endif // !OPENSSL_NO_ENGINE
void SecureContext::SetCert(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
CHECK_GE(args.Length(), 1); // Certificate argument is mandator
BIOPointer bio(LoadBIO(env, args[0]));
if (!bio)
return;
sc->cert_.reset();
sc->issuer_.reset();
if (!SSL_CTX_use_certificate_chain(
sc->ctx_.get(),
std::move(bio),
&sc->cert_,
&sc->issuer_)) {
return ThrowCryptoError(
env,
ERR_get_error(),
"SSL_CTX_use_certificate_chain");
}
}
void SecureContext::AddCACert(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
ClearErrorOnReturn clear_error_on_return;
CHECK_GE(args.Length(), 1); // CA certificate argument is mandatory
BIOPointer bio(LoadBIO(env, args[0]));
if (!bio)
return;
X509_STORE* cert_store = SSL_CTX_get_cert_store(sc->ctx_.get());
while (X509* x509 = PEM_read_bio_X509_AUX(
bio.get(), nullptr, NoPasswordCallback, nullptr)) {
if (cert_store == root_cert_store) {
cert_store = NewRootCertStore();
SSL_CTX_set_cert_store(sc->ctx_.get(), cert_store);
}
X509_STORE_add_cert(cert_store, x509);
SSL_CTX_add_client_CA(sc->ctx_.get(), x509);
X509_free(x509);
}
}
void SecureContext::AddCRL(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
CHECK_GE(args.Length(), 1); // CRL argument is mandatory
ClearErrorOnReturn clear_error_on_return;
BIOPointer bio(LoadBIO(env, args[0]));
if (!bio)
return;
DeleteFnPtr<X509_CRL, X509_CRL_free> crl(
PEM_read_bio_X509_CRL(bio.get(), nullptr, NoPasswordCallback, nullptr));
if (!crl)
return THROW_ERR_CRYPTO_OPERATION_FAILED(env, "Failed to parse CRL");
X509_STORE* cert_store = SSL_CTX_get_cert_store(sc->ctx_.get());
if (cert_store == root_cert_store) {
cert_store = NewRootCertStore();
SSL_CTX_set_cert_store(sc->ctx_.get(), cert_store);
}
X509_STORE_add_crl(cert_store, crl.get());
X509_STORE_set_flags(cert_store,
X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);
}
void SecureContext::AddRootCerts(const FunctionCallbackInfo<Value>& args) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
ClearErrorOnReturn clear_error_on_return;
if (root_cert_store == nullptr) {
root_cert_store = NewRootCertStore();
}
// Increment reference count so global store is not deleted along with CTX.
X509_STORE_up_ref(root_cert_store);
SSL_CTX_set_cert_store(sc->ctx_.get(), root_cert_store);
}
void SecureContext::SetCipherSuites(const FunctionCallbackInfo<Value>& args) {
// BoringSSL doesn't allow API config of TLS1.3 cipher suites.
#ifndef OPENSSL_IS_BORINGSSL
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
Environment* env = sc->env();
ClearErrorOnReturn clear_error_on_return;
CHECK_EQ(args.Length(), 1);
CHECK(args[0]->IsString());
const Utf8Value ciphers(env->isolate(), args[0]);
if (!SSL_CTX_set_ciphersuites(sc->ctx_.get(), *ciphers))
return ThrowCryptoError(env, ERR_get_error(), "Failed to set ciphers");
#endif
}
void SecureContext::SetCiphers(const FunctionCallbackInfo<Value>& args) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
Environment* env = sc->env();
ClearErrorOnReturn clear_error_on_return;
CHECK_EQ(args.Length(), 1);
CHECK(args[0]->IsString());
Utf8Value ciphers(env->isolate(), args[0]);
if (!SSL_CTX_set_cipher_list(sc->ctx_.get(), *ciphers)) {
unsigned long err = ERR_get_error(); // NOLINT(runtime/int)
if (strlen(*ciphers) == 0 && ERR_GET_REASON(err) == SSL_R_NO_CIPHER_MATCH) {
// TLS1.2 ciphers were deliberately cleared, so don't consider
// SSL_R_NO_CIPHER_MATCH to be an error (this is how _set_cipher_suites()
// works). If the user actually sets a value (like "no-such-cipher"), then
// that's actually an error.
return;
}
return ThrowCryptoError(env, err, "Failed to set ciphers");
}
}
void SecureContext::SetECDHCurve(const FunctionCallbackInfo<Value>& args) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
Environment* env = sc->env();
CHECK_GE(args.Length(), 1); // ECDH curve name argument is mandatory
CHECK(args[0]->IsString());
Utf8Value curve(env->isolate(), args[0]);
if (strcmp(*curve, "auto") != 0 &&
!SSL_CTX_set1_curves_list(sc->ctx_.get(), *curve)) {
return THROW_ERR_CRYPTO_OPERATION_FAILED(env, "Failed to set ECDH curve");
}
}
void SecureContext::SetDHParam(const FunctionCallbackInfo<Value>& args) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.This());
Environment* env = sc->env();
ClearErrorOnReturn clear_error_on_return;
CHECK_GE(args.Length(), 1); // DH argument is mandatory
DHPointer dh;
{
BIOPointer bio(LoadBIO(env, args[0]));
if (!bio)
return;
dh.reset(PEM_read_bio_DHparams(bio.get(), nullptr, nullptr, nullptr));
}
// Invalid dhparam is silently discarded and DHE is no longer used.
if (!dh)
return;
const BIGNUM* p;
DH_get0_pqg(dh.get(), &p, nullptr, nullptr);
const int size = BN_num_bits(p);
if (size < 1024) {
return THROW_ERR_INVALID_ARG_VALUE(
env, "DH parameter is less than 1024 bits");
} else if (size < 2048) {
args.GetReturnValue().Set(FIXED_ONE_BYTE_STRING(
env->isolate(), "DH parameter is less than 2048 bits"));
}
SSL_CTX_set_options(sc->ctx_.get(), SSL_OP_SINGLE_DH_USE);
if (!SSL_CTX_set_tmp_dh(sc->ctx_.get(), dh.get())) {
return THROW_ERR_CRYPTO_OPERATION_FAILED(
env, "Error setting temp DH parameter");
}
}
void SecureContext::SetMinProto(const FunctionCallbackInfo<Value>& args) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
CHECK_EQ(args.Length(), 1);
CHECK(args[0]->IsInt32());
int version = args[0].As<Int32>()->Value();
CHECK(SSL_CTX_set_min_proto_version(sc->ctx_.get(), version));
}
void SecureContext::SetMaxProto(const FunctionCallbackInfo<Value>& args) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
CHECK_EQ(args.Length(), 1);
CHECK(args[0]->IsInt32());
int version = args[0].As<Int32>()->Value();
CHECK(SSL_CTX_set_max_proto_version(sc->ctx_.get(), version));
}
void SecureContext::GetMinProto(const FunctionCallbackInfo<Value>& args) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
CHECK_EQ(args.Length(), 0);
long version = // NOLINT(runtime/int)
SSL_CTX_get_min_proto_version(sc->ctx_.get());
args.GetReturnValue().Set(static_cast<uint32_t>(version));
}
void SecureContext::GetMaxProto(const FunctionCallbackInfo<Value>& args) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
CHECK_EQ(args.Length(), 0);
long version = // NOLINT(runtime/int)
SSL_CTX_get_max_proto_version(sc->ctx_.get());
args.GetReturnValue().Set(static_cast<uint32_t>(version));
}
void SecureContext::SetOptions(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
CHECK_GE(args.Length(), 1);
CHECK(args[0]->IsNumber());
int64_t val = args[0]->IntegerValue(env->context()).FromMaybe(0);
SSL_CTX_set_options(sc->ctx_.get(),
static_cast<long>(val)); // NOLINT(runtime/int)
}
void SecureContext::SetSessionIdContext(
const FunctionCallbackInfo<Value>& args) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
Environment* env = sc->env();
CHECK_GE(args.Length(), 1);
CHECK(args[0]->IsString());
const Utf8Value sessionIdContext(env->isolate(), args[0]);
const unsigned char* sid_ctx =
reinterpret_cast<const unsigned char*>(*sessionIdContext);
unsigned int sid_ctx_len = sessionIdContext.length();
if (SSL_CTX_set_session_id_context(sc->ctx_.get(), sid_ctx, sid_ctx_len) == 1)
return;
BUF_MEM* mem;
Local<String> message;
BIOPointer bio(BIO_new(BIO_s_mem()));
if (!bio) {
message = FIXED_ONE_BYTE_STRING(env->isolate(),
"SSL_CTX_set_session_id_context error");
} else {
ERR_print_errors(bio.get());
BIO_get_mem_ptr(bio.get(), &mem);
message = OneByteString(env->isolate(), mem->data, mem->length);
}
env->isolate()->ThrowException(Exception::TypeError(message));
}
void SecureContext::SetSessionTimeout(const FunctionCallbackInfo<Value>& args) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
CHECK_GE(args.Length(), 1);
CHECK(args[0]->IsInt32());
int32_t sessionTimeout = args[0].As<Int32>()->Value();
SSL_CTX_set_timeout(sc->ctx_.get(), sessionTimeout);
}
void SecureContext::Close(const FunctionCallbackInfo<Value>& args) {
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
sc->Reset();
}
// Takes .pfx or .p12 and password in string or buffer format
void SecureContext::LoadPKCS12(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
std::vector<char> pass;
bool ret = false;
SecureContext* sc;
ASSIGN_OR_RETURN_UNWRAP(&sc, args.Holder());
ClearErrorOnReturn clear_error_on_return;
if (args.Length() < 1) {
return THROW_ERR_MISSING_ARGS(env, "PFX certificate argument is mandatory");
}
BIOPointer in(LoadBIO(env, args[0]));
if (!in) {
return THROW_ERR_CRYPTO_OPERATION_FAILED(
env, "Unable to load PFX certificate");
}
if (args.Length() >= 2) {
THROW_AND_RETURN_IF_NOT_BUFFER(env, args[1], "Pass phrase");
Local<ArrayBufferView> abv = args[1].As<ArrayBufferView>();
size_t passlen = abv->ByteLength();
pass.resize(passlen + 1);
abv->CopyContents(pass.data(), passlen);
pass[passlen] = '\0';
}
// Free previous certs
sc->issuer_.reset();
sc->cert_.reset();
X509_STORE* cert_store = SSL_CTX_get_cert_store(sc->ctx_.get());