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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
|
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "crypto/crypto_tls.h"
#include "crypto/crypto_context.h"
#include "crypto/crypto_common.h"
#include "crypto/crypto_util.h"
#include "crypto/crypto_bio.h"
#include "crypto/crypto_clienthello-inl.h"
#include "allocated_buffer-inl.h"
#include "async_wrap-inl.h"
#include "debug_utils-inl.h"
#include "memory_tracker-inl.h"
#include "node_buffer.h"
#include "node_errors.h"
#include "stream_base-inl.h"
#include "util-inl.h"
namespace node {
using v8::Array;
using v8::ArrayBuffer;
using v8::ArrayBufferView;
using v8::BackingStore;
using v8::Context;
using v8::DontDelete;
using v8::Exception;
using v8::False;
using v8::Function;
using v8::FunctionCallbackInfo;
using v8::FunctionTemplate;
using v8::HandleScope;
using v8::Integer;
using v8::Isolate;
using v8::Local;
using v8::MaybeLocal;
using v8::Null;
using v8::Object;
using v8::PropertyAttribute;
using v8::ReadOnly;
using v8::Signature;
using v8::String;
using v8::True;
using v8::Uint32;
using v8::Value;
namespace crypto {
namespace {
SSL_SESSION* GetSessionCallback(
SSL* s,
const unsigned char* key,
int len,
int* copy) {
TLSWrap* w = static_cast<TLSWrap*>(SSL_get_app_data(s));
*copy = 0;
return w->ReleaseSession();
}
void OnClientHello(
void* arg,
const ClientHelloParser::ClientHello& hello) {
TLSWrap* w = static_cast<TLSWrap*>(arg);
Environment* env = w->env();
HandleScope handle_scope(env->isolate());
Context::Scope context_scope(env->context());
Local<Object> hello_obj = Object::New(env->isolate());
Local<String> servername = (hello.servername() == nullptr)
? String::Empty(env->isolate())
: OneByteString(env->isolate(),
hello.servername(),
hello.servername_size());
Local<Object> buf =
Buffer::Copy(
env,
reinterpret_cast<const char*>(hello.session_id()),
hello.session_size()).FromMaybe(Local<Object>());
if ((buf.IsEmpty() ||
hello_obj->Set(env->context(), env->session_id_string(), buf)
.IsNothing()) ||
hello_obj->Set(env->context(), env->servername_string(), servername)
.IsNothing() ||
hello_obj->Set(
env->context(),
env->tls_ticket_string(),
hello.has_ticket()
? True(env->isolate())
: False(env->isolate())).IsNothing()) {
return;
}
Local<Value> argv[] = { hello_obj };
w->MakeCallback(env->onclienthello_string(), arraysize(argv), argv);
}
void KeylogCallback(const SSL* s, const char* line) {
TLSWrap* w = static_cast<TLSWrap*>(SSL_get_app_data(s));
Environment* env = w->env();
HandleScope handle_scope(env->isolate());
Context::Scope context_scope(env->context());
const size_t size = strlen(line);
Local<Value> line_bf = Buffer::Copy(env, line, 1 + size)
.FromMaybe(Local<Value>());
if (UNLIKELY(line_bf.IsEmpty()))
return;
char* data = Buffer::Data(line_bf);
data[size] = '\n';
w->MakeCallback(env->onkeylog_string(), 1, &line_bf);
}
int NewSessionCallback(SSL* s, SSL_SESSION* sess) {
TLSWrap* w = static_cast<TLSWrap*>(SSL_get_app_data(s));
Environment* env = w->env();
HandleScope handle_scope(env->isolate());
Context::Scope context_scope(env->context());
if (!w->has_session_callbacks())
return 0;
// Check if session is small enough to be stored
int size = i2d_SSL_SESSION(sess, nullptr);
if (UNLIKELY(size > SecureContext::kMaxSessionSize))
return 0;
// Serialize session
Local<Object> session = Buffer::New(env, size).FromMaybe(Local<Object>());
if (UNLIKELY(session.IsEmpty()))
return 0;
unsigned char* session_data =
reinterpret_cast<unsigned char*>(Buffer::Data(session));
CHECK_EQ(i2d_SSL_SESSION(sess, &session_data), size);
unsigned int session_id_length;
const unsigned char* session_id_data =
SSL_SESSION_get_id(sess, &session_id_length);
Local<Object> session_id = Buffer::Copy(
env,
reinterpret_cast<const char*>(session_id_data),
session_id_length).FromMaybe(Local<Object>());
if (UNLIKELY(session_id.IsEmpty()))
return 0;
Local<Value> argv[] = {
session_id,
session
};
// On servers, we pause the handshake until callback of 'newSession', which
// calls NewSessionDoneCb(). On clients, there is no callback to wait for.
if (w->is_server())
w->set_awaiting_new_session(true);
w->MakeCallback(env->onnewsession_string(), arraysize(argv), argv);
return 0;
}
int SSLCertCallback(SSL* s, void* arg) {
TLSWrap* w = static_cast<TLSWrap*>(SSL_get_app_data(s));
if (!w->is_server() || !w->is_waiting_cert_cb())
return 1;
if (w->is_cert_cb_running())
// Not an error. Suspend handshake with SSL_ERROR_WANT_X509_LOOKUP, and
// handshake will continue after certcb is done.
return -1;
Environment* env = w->env();
HandleScope handle_scope(env->isolate());
Context::Scope context_scope(env->context());
w->set_cert_cb_running();
Local<Object> info = Object::New(env->isolate());
const char* servername = GetServerName(s);
Local<String> servername_str = (servername == nullptr)
? String::Empty(env->isolate())
: OneByteString(env->isolate(), servername, strlen(servername));
Local<Value> ocsp = (SSL_get_tlsext_status_type(s) == TLSEXT_STATUSTYPE_ocsp)
? True(env->isolate())
: False(env->isolate());
if (info->Set(env->context(), env->servername_string(), servername_str)
.IsNothing() ||
info->Set(env->context(), env->ocsp_request_string(), ocsp).IsNothing()) {
return 1;
}
Local<Value> argv[] = { info };
w->MakeCallback(env->oncertcb_string(), arraysize(argv), argv);
return w->is_cert_cb_running() ? -1 : 1;
}
int SelectALPNCallback(
SSL* s,
const unsigned char** out,
unsigned char* outlen,
const unsigned char* in,
unsigned int inlen,
void* arg) {
TLSWrap* w = static_cast<TLSWrap*>(SSL_get_app_data(s));
Environment* env = w->env();
HandleScope handle_scope(env->isolate());
Context::Scope context_scope(env->context());
Local<Value> alpn_buffer =
w->object()->GetPrivate(
env->context(),
env->alpn_buffer_private_symbol()).FromMaybe(Local<Value>());
if (UNLIKELY(alpn_buffer.IsEmpty()) || !alpn_buffer->IsArrayBufferView())
return SSL_TLSEXT_ERR_NOACK;
ArrayBufferViewContents<unsigned char> alpn_protos(alpn_buffer);
int status = SSL_select_next_proto(
const_cast<unsigned char**>(out),
outlen,
alpn_protos.data(),
alpn_protos.length(),
in,
inlen);
// According to 3.2. Protocol Selection of RFC7301, fatal
// no_application_protocol alert shall be sent but OpenSSL 1.0.2 does not
// support it yet. See
// https://rt.openssl.org/Ticket/Display.html?id=3463&user=guest&pass=guest
return status == OPENSSL_NPN_NEGOTIATED
? SSL_TLSEXT_ERR_OK
: SSL_TLSEXT_ERR_NOACK;
}
int TLSExtStatusCallback(SSL* s, void* arg) {
TLSWrap* w = static_cast<TLSWrap*>(SSL_get_app_data(s));
Environment* env = w->env();
HandleScope handle_scope(env->isolate());
if (w->is_client()) {
// Incoming response
Local<Value> arg;
if (GetSSLOCSPResponse(env, s, Null(env->isolate())).ToLocal(&arg))
w->MakeCallback(env->onocspresponse_string(), 1, &arg);
// No async acceptance is possible, so always return 1 to accept the
// response. The listener for 'OCSPResponse' event has no control over
// return value, but it can .destroy() the connection if the response is not
// acceptable.
return 1;
}
// Outgoing response
Local<ArrayBufferView> obj =
w->ocsp_response().FromMaybe(Local<ArrayBufferView>());
if (UNLIKELY(obj.IsEmpty()))
return SSL_TLSEXT_ERR_NOACK;
size_t len = obj->ByteLength();
// OpenSSL takes control of the pointer after accepting it
unsigned char* data = MallocOpenSSL<unsigned char>(len);
obj->CopyContents(data, len);
if (!SSL_set_tlsext_status_ocsp_resp(s, data, len))
OPENSSL_free(data);
w->ClearOcspResponse();
return SSL_TLSEXT_ERR_OK;
}
void ConfigureSecureContext(SecureContext* sc) {
// OCSP stapling
SSL_CTX_set_tlsext_status_cb(sc->ctx_.get(), TLSExtStatusCallback);
SSL_CTX_set_tlsext_status_arg(sc->ctx_.get(), nullptr);
}
inline bool Set(
Environment* env,
Local<Object> target,
Local<String> name,
const char* value,
bool ignore_null = true) {
if (value == nullptr)
return ignore_null;
return !target->Set(
env->context(),
name,
OneByteString(env->isolate(), value))
.IsNothing();
}
std::string GetBIOError() {
std::string ret;
ERR_print_errors_cb(
[](const char* str, size_t len, void* opaque) {
static_cast<std::string*>(opaque)->assign(str, len);
return 0;
},
static_cast<void*>(&ret));
return ret;
}
} // namespace
TLSWrap::TLSWrap(Environment* env,
Local<Object> obj,
Kind kind,
StreamBase* stream,
SecureContext* sc)
: AsyncWrap(env, obj, AsyncWrap::PROVIDER_TLSWRAP),
StreamBase(env),
env_(env),
kind_(kind),
sc_(sc) {
MakeWeak();
CHECK(sc_);
ssl_ = sc_->CreateSSL();
CHECK(ssl_);
sc_->SetGetSessionCallback(GetSessionCallback);
sc_->SetNewSessionCallback(NewSessionCallback);
StreamBase::AttachToObject(GetObject());
stream->PushStreamListener(this);
env_->isolate()->AdjustAmountOfExternalAllocatedMemory(kExternalSize);
InitSSL();
Debug(this, "Created new TLSWrap");
}
TLSWrap::~TLSWrap() {
Destroy();
}
MaybeLocal<ArrayBufferView> TLSWrap::ocsp_response() const {
if (ocsp_response_.IsEmpty())
return MaybeLocal<ArrayBufferView>();
return PersistentToLocal::Default(env()->isolate(), ocsp_response_);
}
void TLSWrap::ClearOcspResponse() {
ocsp_response_.Reset();
}
SSL_SESSION* TLSWrap::ReleaseSession() {
return next_sess_.release();
}
void TLSWrap::InvokeQueued(int status, const char* error_str) {
Debug(this, "Invoking queued write callbacks (%d, %s)", status, error_str);
if (!write_callback_scheduled_)
return;
if (current_write_) {
BaseObjectPtr<AsyncWrap> current_write = std::move(current_write_);
current_write_.reset();
WriteWrap* w = WriteWrap::FromObject(current_write);
w->Done(status, error_str);
}
}
void TLSWrap::NewSessionDoneCb() {
Debug(this, "New session callback done");
Cycle();
}
void TLSWrap::InitSSL() {
// Initialize SSL – OpenSSL takes ownership of these.
enc_in_ = NodeBIO::New(env()).release();
enc_out_ = NodeBIO::New(env()).release();
SSL_set_bio(ssl_.get(), enc_in_, enc_out_);
// NOTE: This could be overridden in SetVerifyMode
SSL_set_verify(ssl_.get(), SSL_VERIFY_NONE, VerifyCallback);
#ifdef SSL_MODE_RELEASE_BUFFERS
SSL_set_mode(ssl_.get(), SSL_MODE_RELEASE_BUFFERS);
#endif // SSL_MODE_RELEASE_BUFFERS
// This is default in 1.1.1, but set it anyway, Cycle() doesn't currently
// re-call ClearIn() if SSL_read() returns SSL_ERROR_WANT_READ, so data can be
// left sitting in the incoming enc_in_ and never get processed.
// - https://wiki.openssl.org/index.php/TLS1.3#Non-application_data_records
SSL_set_mode(ssl_.get(), SSL_MODE_AUTO_RETRY);
#ifdef OPENSSL_IS_BORINGSSL
// OpenSSL allows renegotiation by default, but BoringSSL disables it.
// Configure BoringSSL to match OpenSSL's behavior.
SSL_set_renegotiate_mode(ssl_.get(), ssl_renegotiate_freely);
#endif
SSL_set_app_data(ssl_.get(), this);
// Using InfoCallback isn't how we are supposed to check handshake progress:
// https://github.com/openssl/openssl/issues/7199#issuecomment-420915993
//
// Note on when this gets called on various openssl versions:
// https://github.com/openssl/openssl/issues/7199#issuecomment-420670544
SSL_set_info_callback(ssl_.get(), SSLInfoCallback);
if (is_server())
sc_->SetSelectSNIContextCallback(SelectSNIContextCallback);
ConfigureSecureContext(sc_.get());
SSL_set_cert_cb(ssl_.get(), SSLCertCallback, this);
if (is_server()) {
SSL_set_accept_state(ssl_.get());
} else if (is_client()) {
// Enough space for server response (hello, cert)
NodeBIO::FromBIO(enc_in_)->set_initial(kInitialClientBufferLength);
SSL_set_connect_state(ssl_.get());
} else {
// Unexpected
ABORT();
}
}
void TLSWrap::Wrap(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
CHECK_EQ(args.Length(), 3);
CHECK(args[0]->IsObject());
CHECK(args[1]->IsObject());
CHECK(args[2]->IsBoolean());
Local<Object> sc = args[1].As<Object>();
Kind kind = args[2]->IsTrue() ? Kind::kServer : Kind::kClient;
StreamBase* stream = StreamBase::FromObject(args[0].As<Object>());
CHECK_NOT_NULL(stream);
Local<Object> obj;
if (!env->tls_wrap_constructor_function()
->NewInstance(env->context())
.ToLocal(&obj)) {
return;
}
TLSWrap* res = new TLSWrap(env, obj, kind, stream, Unwrap<SecureContext>(sc));
args.GetReturnValue().Set(res->object());
}
void TLSWrap::Receive(const FunctionCallbackInfo<Value>& args) {
TLSWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
ArrayBufferViewContents<char> buffer(args[0]);
const char* data = buffer.data();
size_t len = buffer.length();
Debug(wrap, "Receiving %zu bytes injected from JS", len);
// Copy given buffer entirely or partiall if handle becomes closed
while (len > 0 && wrap->IsAlive() && !wrap->IsClosing()) {
uv_buf_t buf = wrap->OnStreamAlloc(len);
size_t copy = buf.len > len ? len : buf.len;
memcpy(buf.base, data, copy);
buf.len = copy;
wrap->OnStreamRead(copy, buf);
data += copy;
len -= copy;
}
}
void TLSWrap::Start(const FunctionCallbackInfo<Value>& args) {
TLSWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
CHECK(!wrap->started_);
wrap->started_ = true;
// Send ClientHello handshake
CHECK(wrap->is_client());
// Seems odd to read when when we want to send, but SSL_read() triggers a
// handshake if a session isn't established, and handshake will cause
// encrypted data to become available for output.
wrap->ClearOut();
wrap->EncOut();
}
void TLSWrap::SSLInfoCallback(const SSL* ssl_, int where, int ret) {
if (!(where & (SSL_CB_HANDSHAKE_START | SSL_CB_HANDSHAKE_DONE)))
return;
// SSL_renegotiate_pending() should take `const SSL*`, but it does not.
SSL* ssl = const_cast<SSL*>(ssl_);
TLSWrap* c = static_cast<TLSWrap*>(SSL_get_app_data(ssl_));
Environment* env = c->env();
HandleScope handle_scope(env->isolate());
Context::Scope context_scope(env->context());
Local<Object> object = c->object();
if (where & SSL_CB_HANDSHAKE_START) {
Debug(c, "SSLInfoCallback(SSL_CB_HANDSHAKE_START);");
// Start is tracked to limit number and frequency of renegotiation attempts,
// since excessive renegotiation may be an attack.
Local<Value> callback;
if (object->Get(env->context(), env->onhandshakestart_string())
.ToLocal(&callback) && callback->IsFunction()) {
Local<Value> argv[] = { env->GetNow() };
c->MakeCallback(callback.As<Function>(), arraysize(argv), argv);
}
}
// SSL_CB_HANDSHAKE_START and SSL_CB_HANDSHAKE_DONE are called
// sending HelloRequest in OpenSSL-1.1.1.
// We need to check whether this is in a renegotiation state or not.
if (where & SSL_CB_HANDSHAKE_DONE && !SSL_renegotiate_pending(ssl)) {
Debug(c, "SSLInfoCallback(SSL_CB_HANDSHAKE_DONE);");
CHECK(!SSL_renegotiate_pending(ssl));
Local<Value> callback;
c->established_ = true;
if (object->Get(env->context(), env->onhandshakedone_string())
.ToLocal(&callback) && callback->IsFunction()) {
c->MakeCallback(callback.As<Function>(), 0, nullptr);
}
}
}
void TLSWrap::EncOut() {
Debug(this, "Trying to write encrypted output");
// Ignore cycling data if ClientHello wasn't yet parsed
if (!hello_parser_.IsEnded()) {
Debug(this, "Returning from EncOut(), hello_parser_ active");
return;
}
// Write in progress
if (write_size_ != 0) {
Debug(this, "Returning from EncOut(), write currently in progress");
return;
}
// Wait for `newSession` callback to be invoked
if (is_awaiting_new_session()) {
Debug(this, "Returning from EncOut(), awaiting new session");
return;
}
// Split-off queue
if (established_ && current_write_) {
Debug(this, "EncOut() write is scheduled");
write_callback_scheduled_ = true;
}
if (ssl_ == nullptr) {
Debug(this, "Returning from EncOut(), ssl_ == nullptr");
return;
}
// No encrypted output ready to write to the underlying stream.
if (BIO_pending(enc_out_) == 0) {
Debug(this, "No pending encrypted output");
if (!pending_cleartext_input_ ||
pending_cleartext_input_->ByteLength() == 0) {
if (!in_dowrite_) {
Debug(this, "No pending cleartext input, not inside DoWrite()");
InvokeQueued(0);
} else {
Debug(this, "No pending cleartext input, inside DoWrite()");
// TODO(@sam-github, @addaleax) If in_dowrite_ is true, appdata was
// passed to SSL_write(). If we are here, the data was not encrypted to
// enc_out_ yet. Calling Done() "works", but since the write is not
// flushed, its too soon. Just returning and letting the next EncOut()
// call Done() passes the test suite, but without more careful analysis,
// its not clear if it is always correct. Not calling Done() could block
// data flow, so for now continue to call Done(), just do it in the next
// tick.
BaseObjectPtr<TLSWrap> strong_ref{this};
env()->SetImmediate([this, strong_ref](Environment* env) {
InvokeQueued(0);
});
}
}
return;
}
char* data[kSimultaneousBufferCount];
size_t size[arraysize(data)];
size_t count = arraysize(data);
write_size_ = NodeBIO::FromBIO(enc_out_)->PeekMultiple(data, size, &count);
CHECK(write_size_ != 0 && count != 0);
uv_buf_t buf[arraysize(data)];
uv_buf_t* bufs = buf;
for (size_t i = 0; i < count; i++)
buf[i] = uv_buf_init(data[i], size[i]);
Debug(this, "Writing %zu buffers to the underlying stream", count);
StreamWriteResult res = underlying_stream()->Write(bufs, count);
if (res.err != 0) {
InvokeQueued(res.err);
return;
}
if (!res.async) {
Debug(this, "Write finished synchronously");
HandleScope handle_scope(env()->isolate());
// Simulate asynchronous finishing, TLS cannot handle this at the moment.
BaseObjectPtr<TLSWrap> strong_ref{this};
env()->SetImmediate([this, strong_ref](Environment* env) {
OnStreamAfterWrite(nullptr, 0);
});
}
}
void TLSWrap::OnStreamAfterWrite(WriteWrap* req_wrap, int status) {
Debug(this, "OnStreamAfterWrite(status = %d)", status);
if (current_empty_write_) {
Debug(this, "Had empty write");
BaseObjectPtr<AsyncWrap> current_empty_write =
std::move(current_empty_write_);
current_empty_write_.reset();
WriteWrap* finishing = WriteWrap::FromObject(current_empty_write);
finishing->Done(status);
return;
}
if (ssl_ == nullptr) {
Debug(this, "ssl_ == nullptr, marking as cancelled");
status = UV_ECANCELED;
}
// Handle error
if (status) {
if (shutdown_) {
Debug(this, "Ignoring error after shutdown");
return;
}
// Notify about error
InvokeQueued(status);
return;
}
// Commit
NodeBIO::FromBIO(enc_out_)->Read(nullptr, write_size_);
// Ensure that the progress will be made and `InvokeQueued` will be called.
ClearIn();
// Try writing more data
write_size_ = 0;
EncOut();
}
int TLSWrap::GetSSLError(int status) const {
// ssl_ might already be destroyed for reading EOF from a close notify alert.
return ssl_ != nullptr ? SSL_get_error(ssl_.get(), status) : 0;
}
void TLSWrap::ClearOut() {
Debug(this, "Trying to read cleartext output");
// Ignore cycling data if ClientHello wasn't yet parsed
if (!hello_parser_.IsEnded()) {
Debug(this, "Returning from ClearOut(), hello_parser_ active");
return;
}
// No reads after EOF
if (eof_) {
Debug(this, "Returning from ClearOut(), EOF reached");
return;
}
if (ssl_ == nullptr) {
Debug(this, "Returning from ClearOut(), ssl_ == nullptr");
return;
}
MarkPopErrorOnReturn mark_pop_error_on_return;
char out[kClearOutChunkSize];
int read;
for (;;) {
read = SSL_read(ssl_.get(), out, sizeof(out));
Debug(this, "Read %d bytes of cleartext output", read);
if (read <= 0)
break;
char* current = out;
while (read > 0) {
int avail = read;
uv_buf_t buf = EmitAlloc(avail);
if (static_cast<int>(buf.len) < avail)
avail = buf.len;
memcpy(buf.base, current, avail);
EmitRead(avail, buf);
// Caveat emptor: OnRead() calls into JS land which can result in
// the SSL context object being destroyed. We have to carefully
// check that ssl_ != nullptr afterwards.
if (ssl_ == nullptr) {
Debug(this, "Returning from read loop, ssl_ == nullptr");
return;
}
read -= avail;
current += avail;
}
}
int flags = SSL_get_shutdown(ssl_.get());
if (!eof_ && flags & SSL_RECEIVED_SHUTDOWN) {
eof_ = true;
EmitRead(UV_EOF);
}
// We need to check whether an error occurred or the connection was
// shutdown cleanly (SSL_ERROR_ZERO_RETURN) even when read == 0.
// See node#1642 and SSL_read(3SSL) for details.
if (read <= 0) {
HandleScope handle_scope(env()->isolate());
Local<Value> error;
int err = GetSSLError(read);
switch (err) {
case SSL_ERROR_ZERO_RETURN:
// Ignore ZERO_RETURN after EOF, it is basically not an error.
if (eof_) return;
error = env()->zero_return_string();
break;
case SSL_ERROR_SSL:
case SSL_ERROR_SYSCALL:
{
unsigned long ssl_err = ERR_peek_error(); // NOLINT(runtime/int)
Local<Context> context = env()->isolate()->GetCurrentContext();
if (UNLIKELY(context.IsEmpty())) return;
const std::string error_str = GetBIOError();
Local<String> message = OneByteString(
env()->isolate(), error_str.c_str(), error_str.size());
if (UNLIKELY(message.IsEmpty())) return;
error = Exception::Error(message);
if (UNLIKELY(error.IsEmpty())) return;
Local<Object> obj;
if (UNLIKELY(!error->ToObject(context).ToLocal(&obj))) return;
const char* ls = ERR_lib_error_string(ssl_err);
const char* fs = ERR_func_error_string(ssl_err);
const char* rs = ERR_reason_error_string(ssl_err);
if (!Set(env(), obj, env()->library_string(), ls) ||
!Set(env(), obj, env()->function_string(), fs) ||
!Set(env(), obj, env()->reason_string(), rs, false)) return;
// SSL has no API to recover the error name from the number, so we
// transform reason strings like "this error" to "ERR_SSL_THIS_ERROR",
// which ends up being close to the original error macro name.
std::string code(rs);
// TODO(RaisinTen): Pass an appropriate execution policy when it is
// implemented in our supported compilers.
std::transform(code.begin(), code.end(), code.begin(),
[](char c) { return c == ' ' ? '_' : ToUpper(c); });
if (!Set(env(), obj,
env()->code_string(), ("ERR_SSL_" + code).c_str())) return;
}
break;
default:
return;
}
Debug(this, "Got SSL error (%d), calling onerror", err);
// When TLS Alert are stored in wbio,
// it should be flushed to socket before destroyed.
if (BIO_pending(enc_out_) != 0)
EncOut();
MakeCallback(env()->onerror_string(), 1, &error);
}
}
void TLSWrap::ClearIn() {
Debug(this, "Trying to write cleartext input");
// Ignore cycling data if ClientHello wasn't yet parsed
if (!hello_parser_.IsEnded()) {
Debug(this, "Returning from ClearIn(), hello_parser_ active");
return;
}
if (ssl_ == nullptr) {
Debug(this, "Returning from ClearIn(), ssl_ == nullptr");
return;
}
if (!pending_cleartext_input_ ||
pending_cleartext_input_->ByteLength() == 0) {
Debug(this, "Returning from ClearIn(), no pending data");
return;
}
std::unique_ptr<BackingStore> bs = std::move(pending_cleartext_input_);
MarkPopErrorOnReturn mark_pop_error_on_return;
NodeBIO::FromBIO(enc_out_)->set_allocate_tls_hint(bs->ByteLength());
int written = SSL_write(ssl_.get(), bs->Data(), bs->ByteLength());
Debug(this, "Writing %zu bytes, written = %d", bs->ByteLength(), written);
CHECK(written == -1 || written == static_cast<int>(bs->ByteLength()));
// All written
if (written != -1) {
Debug(this, "Successfully wrote all data to SSL");
return;
}
// Error or partial write
int err = GetSSLError(written);
if (err == SSL_ERROR_SSL || err == SSL_ERROR_SYSCALL) {
Debug(this, "Got SSL error (%d)", err);
write_callback_scheduled_ = true;
// TODO(@sam-github) Should forward an error object with
// .code/.function/.etc, if possible.
InvokeQueued(UV_EPROTO, GetBIOError().c_str());
return;
}
Debug(this, "Pushing data back");
// Push back the not-yet-written data. This can be skipped in the error
// case because no further writes would succeed anyway.
pending_cleartext_input_ = std::move(bs);
}
std::string TLSWrap::diagnostic_name() const {
std::string name = "TLSWrap ";
name += is_server() ? "server (" : "client (";
name += std::to_string(static_cast<int64_t>(get_async_id())) + ")";
return name;
}
AsyncWrap* TLSWrap::GetAsyncWrap() {
return static_cast<AsyncWrap*>(this);
}
bool TLSWrap::IsIPCPipe() {
return underlying_stream()->IsIPCPipe();
}
int TLSWrap::GetFD() {
return underlying_stream()->GetFD();
}
bool TLSWrap::IsAlive() {
return ssl_ &&
underlying_stream() != nullptr &&
underlying_stream()->IsAlive();
}
bool TLSWrap::IsClosing() {
return underlying_stream()->IsClosing();
}
int TLSWrap::ReadStart() {
Debug(this, "ReadStart()");
if (underlying_stream() != nullptr && !eof_)
return underlying_stream()->ReadStart();
return 0;
}
int TLSWrap::ReadStop() {
Debug(this, "ReadStop()");
return underlying_stream() != nullptr ? underlying_stream()->ReadStop() : 0;
}
const char* TLSWrap::Error() const {
return error_.empty() ? nullptr : error_.c_str();
}
void TLSWrap::ClearError() {
error_.clear();
}
// Called by StreamBase::Write() to request async write of clear text into SSL.
// TODO(@sam-github) Should there be a TLSWrap::DoTryWrite()?
int TLSWrap::DoWrite(WriteWrap* w,
uv_buf_t* bufs,
size_t count,
uv_stream_t* send_handle) {
CHECK_NULL(send_handle);
Debug(this, "DoWrite()");
if (ssl_ == nullptr) {
ClearError();
error_ = "Write after DestroySSL";
return UV_EPROTO;
}
size_t length = 0;
size_t i;
size_t nonempty_i = 0;
size_t nonempty_count = 0;
for (i = 0; i < count; i++) {
length += bufs[i].len;
if (bufs[i].len > 0) {
nonempty_i = i;
nonempty_count += 1;
}
}
// We want to trigger a Write() on the underlying stream to drive the stream
// system, but don't want to encrypt empty buffers into a TLS frame, so see
// if we can find something to Write().
// First, call ClearOut(). It does an SSL_read(), which might cause handshake
// or other internal messages to be encrypted. If it does, write them later
// with EncOut().
// If there is still no encrypted output, call Write(bufs) on the underlying
// stream. Since the bufs are empty, it won't actually write non-TLS data
// onto the socket, we just want the side-effects. After, make sure the
// WriteWrap was accepted by the stream, or that we call Done() on it.
if (length == 0) {
Debug(this, "Empty write");
ClearOut();
if (BIO_pending(enc_out_) == 0) {
Debug(this, "No pending encrypted output, writing to underlying stream");
CHECK(!current_empty_write_);
current_empty_write_.reset(w->GetAsyncWrap());
StreamWriteResult res =
underlying_stream()->Write(bufs, count, send_handle);
if (!res.async) {
BaseObjectPtr<TLSWrap> strong_ref{this};
env()->SetImmediate([this, strong_ref](Environment* env) {
OnStreamAfterWrite(WriteWrap::FromObject(current_empty_write_), 0);
});
}
return 0;
}
}
// Store the current write wrap
CHECK(!current_write_);
current_write_.reset(w->GetAsyncWrap());
// Write encrypted data to underlying stream and call Done().
if (length == 0) {
EncOut();
return 0;
}
std::unique_ptr<BackingStore> bs;
MarkPopErrorOnReturn mark_pop_error_on_return;
int written = 0;
// It is common for zero length buffers to be written,
// don't copy data if there there is one buffer with data
// and one or more zero length buffers.
// _http_outgoing.js writes a zero length buffer in
// in OutgoingMessage.prototype.end. If there was a large amount
// of data supplied to end() there is no sense allocating
// and copying it when it could just be used.
if (nonempty_count != 1) {
{
NoArrayBufferZeroFillScope no_zero_fill_scope(env()->isolate_data());
bs = ArrayBuffer::NewBackingStore(env()->isolate(), length);
}
size_t offset = 0;
for (i = 0; i < count; i++) {
memcpy(static_cast<char*>(bs->Data()) + offset,
bufs[i].base, bufs[i].len);
offset += bufs[i].len;
}
NodeBIO::FromBIO(enc_out_)->set_allocate_tls_hint(length);
written = SSL_write(ssl_.get(), bs->Data(), length);
} else {
// Only one buffer: try to write directly, only store if it fails
uv_buf_t* buf = &bufs[nonempty_i];
NodeBIO::FromBIO(enc_out_)->set_allocate_tls_hint(buf->len);
written = SSL_write(ssl_.get(), buf->base, buf->len);
if (written == -1) {
NoArrayBufferZeroFillScope no_zero_fill_scope(env()->isolate_data());
bs = ArrayBuffer::NewBackingStore(env()->isolate(), length);
memcpy(bs->Data(), buf->base, buf->len);
}
}
CHECK(written == -1 || written == static_cast<int>(length));
Debug(this, "Writing %zu bytes, written = %d", length, written);
if (written == -1) {
// If we stopped writing because of an error, it's fatal, discard the data.
int err = GetSSLError(written);
if (err == SSL_ERROR_SSL || err == SSL_ERROR_SYSCALL) {
// TODO(@jasnell): What are we doing with the error?
Debug(this, "Got SSL error (%d), returning UV_EPROTO", err);
current_write_.reset();
return UV_EPROTO;
}
Debug(this, "Saving data for later write");
// Otherwise, save unwritten data so it can be written later by ClearIn().
CHECK(!pending_cleartext_input_ ||
pending_cleartext_input_->ByteLength() == 0);
pending_cleartext_input_ = std::move(bs);
}
// Write any encrypted/handshake output that may be ready.
// Guard against sync call of current_write_->Done(), its unsupported.
in_dowrite_ = true;
EncOut();
in_dowrite_ = false;
return 0;
}
uv_buf_t TLSWrap::OnStreamAlloc(size_t suggested_size) {
CHECK_NOT_NULL(ssl_);
size_t size = suggested_size;
char* base = NodeBIO::FromBIO(enc_in_)->PeekWritable(&size);
return uv_buf_init(base, size);
}
void TLSWrap::OnStreamRead(ssize_t nread, const uv_buf_t& buf) {
Debug(this, "Read %zd bytes from underlying stream", nread);
// Ignore everything after close_notify (rfc5246#section-7.2.1)
if (eof_)
return;
if (nread < 0) {
// Error should be emitted only after all data was read
ClearOut();
if (nread == UV_EOF) {
// underlying stream already should have also called ReadStop on itself
eof_ = true;
}
EmitRead(nread);
return;
}
// DestroySSL() is the only thing that un-sets ssl_, but that also removes
// this TLSWrap as a stream listener, so we should not receive OnStreamRead()
// calls anymore.
CHECK(ssl_);
// Commit the amount of data actually read into the peeked/allocated buffer
// from the underlying stream.
NodeBIO* enc_in = NodeBIO::FromBIO(enc_in_);
enc_in->Commit(nread);
// Parse ClientHello first, if we need to. It's only parsed if session event
// listeners are used on the server side. "ended" is the initial state, so
// can mean parsing was never started, or that parsing is finished. Either
// way, ended means we can give the buffered data to SSL.
if (!hello_parser_.IsEnded()) {
size_t avail = 0;
uint8_t* data = reinterpret_cast<uint8_t*>(enc_in->Peek(&avail));
CHECK_IMPLIES(data == nullptr, avail == 0);
Debug(this, "Passing %zu bytes to the hello parser", avail);
return hello_parser_.Parse(data, avail);
}
// Cycle OpenSSL's state
Cycle();
}
ShutdownWrap* TLSWrap::CreateShutdownWrap(Local<Object> req_wrap_object) {
return underlying_stream()->CreateShutdownWrap(req_wrap_object);
}
int TLSWrap::DoShutdown(ShutdownWrap* req_wrap) {
Debug(this, "DoShutdown()");
MarkPopErrorOnReturn mark_pop_error_on_return;
if (ssl_ && SSL_shutdown(ssl_.get()) == 0)
SSL_shutdown(ssl_.get());
shutdown_ = true;
EncOut();
return underlying_stream()->DoShutdown(req_wrap);
}
void TLSWrap::SetVerifyMode(const FunctionCallbackInfo<Value>& args) {
TLSWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
CHECK_EQ(args.Length(), 2);
CHECK(args[0]->IsBoolean());
CHECK(args[1]->IsBoolean());
CHECK_NOT_NULL(wrap->ssl_);
int verify_mode;
if (wrap->is_server()) {
bool request_cert = args[0]->IsTrue();
if (!request_cert) {
// If no cert is requested, there will be none to reject as unauthorized.
verify_mode = SSL_VERIFY_NONE;
} else {
bool reject_unauthorized = args[1]->IsTrue();
verify_mode = SSL_VERIFY_PEER;
if (reject_unauthorized)
verify_mode |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
}
} else {
// Servers always send a cert if the cipher is not anonymous (anon is
// disabled by default), so use VERIFY_NONE and check the cert after the
// handshake has completed.
verify_mode = SSL_VERIFY_NONE;
}
// Always allow a connection. We'll reject in javascript.
SSL_set_verify(wrap->ssl_.get(), verify_mode, VerifyCallback);
}
void TLSWrap::EnableSessionCallbacks(const FunctionCallbackInfo<Value>& args) {
TLSWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
CHECK_NOT_NULL(wrap->ssl_);
wrap->enable_session_callbacks();
// Clients don't use the HelloParser.
if (wrap->is_client())
return;
NodeBIO::FromBIO(wrap->enc_in_)->set_initial(kMaxHelloLength);
wrap->hello_parser_.Start(OnClientHello,
OnClientHelloParseEnd,
wrap);
}
void TLSWrap::EnableKeylogCallback(const FunctionCallbackInfo<Value>& args) {
TLSWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
CHECK(wrap->sc_);
wrap->sc_->SetKeylogCallback(KeylogCallback);
}
// Check required capabilities were not excluded from the OpenSSL build:
// - OPENSSL_NO_SSL_TRACE excludes SSL_trace()
// - OPENSSL_NO_STDIO excludes BIO_new_fp()
// HAVE_SSL_TRACE is available on the internal tcp_wrap binding for the tests.
#if defined(OPENSSL_NO_SSL_TRACE) || defined(OPENSSL_NO_STDIO)
# define HAVE_SSL_TRACE 0
#else
# define HAVE_SSL_TRACE 1
#endif
void TLSWrap::EnableTrace(const FunctionCallbackInfo<Value>& args) {
TLSWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
#if HAVE_SSL_TRACE
if (wrap->ssl_) {
wrap->bio_trace_.reset(BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT));
SSL_set_msg_callback(wrap->ssl_.get(), [](int write_p, int version, int
content_type, const void* buf, size_t len, SSL* ssl, void* arg)
-> void {
// BIO_write(), etc., called by SSL_trace, may error. The error should
// be ignored, trace is a "best effort", and its usually because stderr
// is a non-blocking pipe, and its buffer has overflowed. Leaving errors
// on the stack that can get picked up by later SSL_ calls causes
// unwanted failures in SSL_ calls, so keep the error stack unchanged.
MarkPopErrorOnReturn mark_pop_error_on_return;
SSL_trace(write_p, version, content_type, buf, len, ssl, arg);
});
SSL_set_msg_callback_arg(wrap->ssl_.get(), wrap->bio_trace_.get());
}
#endif
}
void TLSWrap::DestroySSL(const FunctionCallbackInfo<Value>& args) {
TLSWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
wrap->Destroy();
Debug(wrap, "DestroySSL() finished");
}
void TLSWrap::Destroy() {
if (!ssl_)
return;
// If there is a write happening, mark it as finished.
write_callback_scheduled_ = true;
// And destroy
InvokeQueued(UV_ECANCELED, "Canceled because of SSL destruction");
env()->isolate()->AdjustAmountOfExternalAllocatedMemory(-kExternalSize);
ssl_.reset();
enc_in_ = nullptr;
enc_out_ = nullptr;
if (underlying_stream() != nullptr)
underlying_stream()->RemoveStreamListener(this);
sc_.reset();
}
void TLSWrap::EnableCertCb(const FunctionCallbackInfo<Value>& args) {
TLSWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
wrap->WaitForCertCb(OnClientHelloParseEnd, wrap);
}
void TLSWrap::WaitForCertCb(CertCb cb, void* arg) {
cert_cb_ = cb;
cert_cb_arg_ = arg;
}
void TLSWrap::OnClientHelloParseEnd(void* arg) {
TLSWrap* c = static_cast<TLSWrap*>(arg);
Debug(c, "OnClientHelloParseEnd()");
c->Cycle();
}
void TLSWrap::GetServername(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
TLSWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
CHECK_NOT_NULL(wrap->ssl_);
const char* servername = SSL_get_servername(wrap->ssl_.get(),
TLSEXT_NAMETYPE_host_name);
if (servername != nullptr) {
args.GetReturnValue().Set(OneByteString(env->isolate(), servername));
} else {
args.GetReturnValue().Set(false);
}
}
void TLSWrap::SetServername(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
TLSWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
CHECK_EQ(args.Length(), 1);
CHECK(args[0]->IsString());
CHECK(!wrap->started_);
CHECK(wrap->is_client());
CHECK(wrap->ssl_);
Utf8Value servername(env->isolate(), args[0].As<String>());
SSL_set_tlsext_host_name(wrap->ssl_.get(), *servername);
}
int TLSWrap::SelectSNIContextCallback(SSL* s, int* ad, void* arg) {
TLSWrap* p = static_cast<TLSWrap*>(SSL_get_app_data(s));
Environment* env = p->env();
HandleScope handle_scope(env->isolate());
Context::Scope context_scope(env->context());
const char* servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
if (!Set(env, p->GetOwner(), env->servername_string(), servername))
return SSL_TLSEXT_ERR_NOACK;
Local<Value> ctx = p->object()->Get(env->context(), env->sni_context_string())
.FromMaybe(Local<Value>());
if (UNLIKELY(ctx.IsEmpty()) || !ctx->IsObject())
return SSL_TLSEXT_ERR_NOACK;
if (!env->secure_context_constructor_template()->HasInstance(ctx)) {
// Failure: incorrect SNI context object
Local<Value> err = Exception::TypeError(env->sni_context_err_string());
p->MakeCallback(env->onerror_string(), 1, &err);
return SSL_TLSEXT_ERR_NOACK;
}
SecureContext* sc = Unwrap<SecureContext>(ctx.As<Object>());
CHECK_NOT_NULL(sc);
p->sni_context_ = BaseObjectPtr<SecureContext>(sc);
ConfigureSecureContext(sc);
CHECK_EQ(SSL_set_SSL_CTX(p->ssl_.get(), sc->ctx_.get()), sc->ctx_.get());
p->SetCACerts(sc);
return SSL_TLSEXT_ERR_OK;
}
int TLSWrap::SetCACerts(SecureContext* sc) {
int err = SSL_set1_verify_cert_store(
ssl_.get(), SSL_CTX_get_cert_store(sc->ctx_.get()));
if (err != 1)
return err;
STACK_OF(X509_NAME)* list =
SSL_dup_CA_list(SSL_CTX_get_client_CA_list(sc->ctx_.get()));
// NOTE: `SSL_set_client_CA_list` takes the ownership of `list`
SSL_set_client_CA_list(ssl_.get(), list);
return 1;
}
#ifndef OPENSSL_NO_PSK
void TLSWrap::SetPskIdentityHint(const FunctionCallbackInfo<Value>& args) {
TLSWrap* p;
ASSIGN_OR_RETURN_UNWRAP(&p, args.Holder());
CHECK_NOT_NULL(p->ssl_);
Environment* env = p->env();
Isolate* isolate = env->isolate();
CHECK(args[0]->IsString());
Utf8Value hint(isolate, args[0].As<String>());
if (!SSL_use_psk_identity_hint(p->ssl_.get(), *hint)) {
Local<Value> err = node::ERR_TLS_PSK_SET_IDENTIY_HINT_FAILED(isolate);
p->MakeCallback(env->onerror_string(), 1, &err);
}
}
void TLSWrap::EnablePskCallback(const FunctionCallbackInfo<Value>& args) {
TLSWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, args.Holder());
CHECK_NOT_NULL(wrap->ssl_);
SSL_set_psk_server_callback(wrap->ssl_.get(), PskServerCallback);
SSL_set_psk_client_callback(wrap->ssl_.get(), PskClientCallback);
}
unsigned int TLSWrap::PskServerCallback(
SSL* s,
const char* identity,
unsigned char* psk,
unsigned int max_psk_len) {
TLSWrap* p = static_cast<TLSWrap*>(SSL_get_app_data(s));
Environment* env = p->env();
HandleScope scope(env->isolate());
Local<String> identity_str =
String::NewFromUtf8(env->isolate(), identity).FromMaybe(Local<String>());
if (UNLIKELY(identity_str.IsEmpty()))
return 0;
// Make sure there are no utf8 replacement symbols.
Utf8Value identity_utf8(env->isolate(), identity_str);
if (strcmp(*identity_utf8, identity) != 0)
return 0;
Local<Value> argv[] = {
identity_str,
Integer::NewFromUnsigned(env->isolate(), max_psk_len)
};
Local<Value> psk_val =
p->MakeCallback(env->onpskexchange_symbol(), arraysize(argv), argv)
.FromMaybe(Local<Value>());
if (UNLIKELY(psk_val.IsEmpty()) || !psk_val->IsArrayBufferView())
return 0;
ArrayBufferViewContents<char> psk_buf(psk_val);
if (psk_buf.length() > max_psk_len)
return 0;
memcpy(psk, psk_buf.data(), psk_buf.length());
return psk_buf.length();
}
unsigned int TLSWrap::PskClientCallback(
SSL* s,
const char* hint,
char* identity,
unsigned int max_identity_len,
unsigned char* psk,
unsigned int max_psk_len) {
TLSWrap* p = static_cast<TLSWrap*>(SSL_get_app_data(s));
Environment* env = p->env();
HandleScope scope(env->isolate());
Local<Value> argv[] = {
Null(env->isolate()),
Integer::NewFromUnsigned(env->isolate(), max_psk_len),
Integer::NewFromUnsigned(env->isolate(), max_identity_len)
};
if (hint != nullptr) {
Local<String> local_hint =
String::NewFromUtf8(env->isolate(), hint).FromMaybe(Local<String>());
if (UNLIKELY(local_hint.IsEmpty()))
return 0;
argv[0] = local_hint;
}
Local<Value> ret =
p->MakeCallback(env->onpskexchange_symbol(), arraysize(argv), argv)
.FromMaybe(Local<Value>());
if (UNLIKELY(ret.IsEmpty()) || !ret->IsObject())
return 0;
Local<Object> obj = ret.As<Object>();
Local<Value> psk_val = obj->Get(env->context(), env->psk_string())
.FromMaybe(Local<Value>());
if (UNLIKELY(psk_val.IsEmpty()) || !psk_val->IsArrayBufferView())
return 0;
ArrayBufferViewContents<char> psk_buf(psk_val);
if (psk_buf.length() > max_psk_len)
return 0;
Local<Value> identity_val = obj->Get(env->context(), env->identity_string())
.FromMaybe(Local<Value>());
if (UNLIKELY(identity_val.IsEmpty()) || !identity_val->IsString())
return 0;
Utf8Value identity_buf(env->isolate(), identity_val);
if (identity_buf.length() > max_identity_len)
return 0;
memcpy(identity, *identity_buf, identity_buf.length());
memcpy(psk, psk_buf.data(), psk_buf.length());
return psk_buf.length();
}
#endif // ifndef OPENSSL_NO_PSK
void TLSWrap::GetWriteQueueSize(const FunctionCallbackInfo<Value>& info) {
TLSWrap* wrap;
ASSIGN_OR_RETURN_UNWRAP(&wrap, info.This());
if (!wrap->ssl_)
return info.GetReturnValue().Set(0);
uint32_t write_queue_size = BIO_pending(wrap->enc_out_);
info.GetReturnValue().Set(write_queue_size);
}
void TLSWrap::MemoryInfo(MemoryTracker* tracker) const {
tracker->TrackField("ocsp_response", ocsp_response_);
tracker->TrackField("sni_context", sni_context_);
tracker->TrackField("error", error_);
if (pending_cleartext_input_)
tracker->TrackField("pending_cleartext_input", pending_cleartext_input_);
if (enc_in_ != nullptr)
tracker->TrackField("enc_in", NodeBIO::FromBIO(enc_in_));
if (enc_out_ != nullptr)
tracker->TrackField("enc_out", NodeBIO::FromBIO(enc_out_));
}
void TLSWrap::CertCbDone(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
CHECK(w->is_waiting_cert_cb() && w->cert_cb_running_);
Local<Object> object = w->object();
Local<Value> ctx = object->Get(env->context(), env->sni_context_string())
.FromMaybe(Local<Value>());
if (UNLIKELY(ctx.IsEmpty()))
return;
Local<FunctionTemplate> cons = env->secure_context_constructor_template();
if (cons->HasInstance(ctx)) {
SecureContext* sc = Unwrap<SecureContext>(ctx.As<Object>());
CHECK_NOT_NULL(sc);
// Store the SNI context for later use.
w->sni_context_ = BaseObjectPtr<SecureContext>(sc);
if (UseSNIContext(w->ssl_, w->sni_context_) && !w->SetCACerts(sc)) {
// Not clear why sometimes we throw error, and sometimes we call
// onerror(). Both cause .destroy(), but onerror does a bit more.
unsigned long err = ERR_get_error(); // NOLINT(runtime/int)
return ThrowCryptoError(env, err, "CertCbDone");
}
} else if (ctx->IsObject()) {
// Failure: incorrect SNI context object
Local<Value> err = Exception::TypeError(env->sni_context_err_string());
w->MakeCallback(env->onerror_string(), 1, &err);
return;
}
CertCb cb;
void* arg;
cb = w->cert_cb_;
arg = w->cert_cb_arg_;
w->cert_cb_running_ = false;
w->cert_cb_ = nullptr;
w->cert_cb_arg_ = nullptr;
cb(arg);
}
void TLSWrap::SetALPNProtocols(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
Environment* env = w->env();
if (args.Length() < 1 || !Buffer::HasInstance(args[0]))
return env->ThrowTypeError("Must give a Buffer as first argument");
if (w->is_client()) {
CHECK(SetALPN(w->ssl_, args[0]));
} else {
CHECK(
w->object()->SetPrivate(
env->context(),
env->alpn_buffer_private_symbol(),
args[0]).FromJust());
// Server should select ALPN protocol from list of advertised by client
SSL_CTX_set_alpn_select_cb(SSL_get_SSL_CTX(w->ssl_.get()),
SelectALPNCallback,
nullptr);
}
}
void TLSWrap::GetPeerCertificate(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
Environment* env = w->env();
bool abbreviated = args.Length() < 1 || !args[0]->IsTrue();
Local<Value> ret;
if (GetPeerCert(
env,
w->ssl_,
abbreviated,
w->is_server()).ToLocal(&ret))
args.GetReturnValue().Set(ret);
}
void TLSWrap::GetPeerX509Certificate(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
Environment* env = w->env();
X509Certificate::GetPeerCertificateFlag flag = w->is_server()
? X509Certificate::GetPeerCertificateFlag::SERVER
: X509Certificate::GetPeerCertificateFlag::NONE;
Local<Value> ret;
if (X509Certificate::GetPeerCert(env, w->ssl_, flag).ToLocal(&ret))
args.GetReturnValue().Set(ret);
}
void TLSWrap::GetCertificate(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
Environment* env = w->env();
Local<Value> ret;
if (GetCert(env, w->ssl_).ToLocal(&ret))
args.GetReturnValue().Set(ret);
}
void TLSWrap::GetX509Certificate(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
Environment* env = w->env();
Local<Value> ret;
if (X509Certificate::GetCert(env, w->ssl_).ToLocal(&ret))
args.GetReturnValue().Set(ret);
}
void TLSWrap::GetFinished(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
// We cannot just pass nullptr to SSL_get_finished()
// because it would further be propagated to memcpy(),
// where the standard requirements as described in ISO/IEC 9899:2011
// sections 7.21.2.1, 7.21.1.2, and 7.1.4, would be violated.
// Thus, we use a dummy byte.
char dummy[1];
size_t len = SSL_get_finished(w->ssl_.get(), dummy, sizeof dummy);
if (len == 0)
return;
AllocatedBuffer buf = AllocatedBuffer::AllocateManaged(env, len);
CHECK_EQ(len, SSL_get_finished(w->ssl_.get(), buf.data(), len));
args.GetReturnValue().Set(buf.ToBuffer().FromMaybe(Local<Value>()));
}
void TLSWrap::GetPeerFinished(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
// We cannot just pass nullptr to SSL_get_peer_finished()
// because it would further be propagated to memcpy(),
// where the standard requirements as described in ISO/IEC 9899:2011
// sections 7.21.2.1, 7.21.1.2, and 7.1.4, would be violated.
// Thus, we use a dummy byte.
char dummy[1];
size_t len = SSL_get_peer_finished(w->ssl_.get(), dummy, sizeof dummy);
if (len == 0)
return;
AllocatedBuffer buf = AllocatedBuffer::AllocateManaged(env, len);
CHECK_EQ(len, SSL_get_peer_finished(w->ssl_.get(), buf.data(), len));
args.GetReturnValue().Set(buf.ToBuffer().FromMaybe(Local<Value>()));
}
void TLSWrap::GetSession(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
SSL_SESSION* sess = SSL_get_session(w->ssl_.get());
if (sess == nullptr)
return;
int slen = i2d_SSL_SESSION(sess, nullptr);
if (slen <= 0)
return; // Invalid or malformed session.
AllocatedBuffer sbuf = AllocatedBuffer::AllocateManaged(env, slen);
unsigned char* p = reinterpret_cast<unsigned char*>(sbuf.data());
CHECK_LT(0, i2d_SSL_SESSION(sess, &p));
args.GetReturnValue().Set(sbuf.ToBuffer().FromMaybe(Local<Value>()));
}
void TLSWrap::SetSession(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
if (args.Length() < 1)
return THROW_ERR_MISSING_ARGS(env, "Session argument is mandatory");
THROW_AND_RETURN_IF_NOT_BUFFER(env, args[0], "Session");
ArrayBufferViewContents<unsigned char> sbuf(args[0]);
SSLSessionPointer sess = GetTLSSession(sbuf.data(), sbuf.length());
if (sess == nullptr)
return; // TODO(tniessen): figure out error handling
if (!SetTLSSession(w->ssl_, sess))
return env->ThrowError("SSL_set_session error");
}
void TLSWrap::IsSessionReused(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
bool yes = SSL_session_reused(w->ssl_.get());
args.GetReturnValue().Set(yes);
}
void TLSWrap::VerifyError(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
// XXX(bnoordhuis) The UNABLE_TO_GET_ISSUER_CERT error when there is no
// peer certificate is questionable but it's compatible with what was
// here before.
long x509_verify_error = // NOLINT(runtime/int)
VerifyPeerCertificate(
w->ssl_,
X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT);
if (x509_verify_error == X509_V_OK)
return args.GetReturnValue().SetNull();
const char* reason = X509_verify_cert_error_string(x509_verify_error);
const char* code = X509ErrorCode(x509_verify_error);
Local<Object> error =
Exception::Error(OneByteString(env->isolate(), reason))
->ToObject(env->isolate()->GetCurrentContext())
.FromMaybe(Local<Object>());
if (Set(env, error, env->code_string(), code))
args.GetReturnValue().Set(error);
}
void TLSWrap::GetCipher(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
args.GetReturnValue().Set(
GetCipherInfo(env, w->ssl_).FromMaybe(Local<Object>()));
}
void TLSWrap::LoadSession(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
// TODO(@sam-github) check arg length and types in js, and CHECK in c++
if (args.Length() >= 1 && Buffer::HasInstance(args[0])) {
ArrayBufferViewContents<unsigned char> sbuf(args[0]);
const unsigned char* p = sbuf.data();
SSL_SESSION* sess = d2i_SSL_SESSION(nullptr, &p, sbuf.length());
// Setup next session and move hello to the BIO buffer
w->next_sess_.reset(sess);
}
}
void TLSWrap::GetSharedSigalgs(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
SSL* ssl = w->ssl_.get();
int nsig = SSL_get_shared_sigalgs(ssl, 0, nullptr, nullptr, nullptr, nullptr,
nullptr);
MaybeStackBuffer<Local<Value>, 16> ret_arr(nsig);
for (int i = 0; i < nsig; i++) {
int hash_nid;
int sign_nid;
std::string sig_with_md;
SSL_get_shared_sigalgs(ssl, i, &sign_nid, &hash_nid, nullptr, nullptr,
nullptr);
switch (sign_nid) {
case EVP_PKEY_RSA:
sig_with_md = "RSA+";
break;
case EVP_PKEY_RSA_PSS:
sig_with_md = "RSA-PSS+";
break;
case EVP_PKEY_DSA:
sig_with_md = "DSA+";
break;
case EVP_PKEY_EC:
sig_with_md = "ECDSA+";
break;
case NID_ED25519:
sig_with_md = "Ed25519+";
break;
case NID_ED448:
sig_with_md = "Ed448+";
break;
#ifndef OPENSSL_NO_GOST
case NID_id_GostR3410_2001:
sig_with_md = "gost2001+";
break;
case NID_id_GostR3410_2012_256:
sig_with_md = "gost2012_256+";
break;
case NID_id_GostR3410_2012_512:
sig_with_md = "gost2012_512+";
break;
#endif // !OPENSSL_NO_GOST
default:
const char* sn = OBJ_nid2sn(sign_nid);
if (sn != nullptr) {
sig_with_md = std::string(sn) + "+";
} else {
sig_with_md = "UNDEF+";
}
break;
}
const char* sn_hash = OBJ_nid2sn(hash_nid);
if (sn_hash != nullptr) {
sig_with_md += std::string(sn_hash);
} else {
sig_with_md += "UNDEF";
}
ret_arr[i] = OneByteString(env->isolate(), sig_with_md.c_str());
}
args.GetReturnValue().Set(
Array::New(env->isolate(), ret_arr.out(), ret_arr.length()));
}
void TLSWrap::ExportKeyingMaterial(const FunctionCallbackInfo<Value>& args) {
CHECK(args[0]->IsInt32());
CHECK(args[1]->IsString());
Environment* env = Environment::GetCurrent(args);
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
uint32_t olen = args[0].As<Uint32>()->Value();
Utf8Value label(env->isolate(), args[1]);
AllocatedBuffer out = AllocatedBuffer::AllocateManaged(env, olen);
ByteSource context;
bool use_context = !args[2]->IsUndefined();
if (use_context)
context = ByteSource::FromBuffer(args[2]);
if (SSL_export_keying_material(
w->ssl_.get(),
reinterpret_cast<unsigned char*>(out.data()),
olen,
*label,
label.length(),
reinterpret_cast<const unsigned char*>(context.get()),
context.size(),
use_context) != 1) {
return ThrowCryptoError(
env,
ERR_get_error(),
"SSL_export_keying_material");
}
args.GetReturnValue().Set(out.ToBuffer().FromMaybe(Local<Value>()));
}
void TLSWrap::EndParser(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
w->hello_parser_.End();
}
void TLSWrap::Renegotiate(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
ClearErrorOnReturn clear_error_on_return;
if (SSL_renegotiate(w->ssl_.get()) != 1)
return ThrowCryptoError(w->env(), ERR_get_error());
}
void TLSWrap::GetTLSTicket(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
Environment* env = w->env();
SSL_SESSION* sess = SSL_get_session(w->ssl_.get());
if (sess == nullptr)
return;
const unsigned char* ticket;
size_t length;
SSL_SESSION_get0_ticket(sess, &ticket, &length);
if (ticket != nullptr) {
args.GetReturnValue().Set(
Buffer::Copy(env, reinterpret_cast<const char*>(ticket), length)
.FromMaybe(Local<Object>()));
}
}
void TLSWrap::NewSessionDone(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
w->awaiting_new_session_ = false;
w->NewSessionDoneCb();
}
void TLSWrap::SetOCSPResponse(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
Environment* env = w->env();
if (args.Length() < 1)
return THROW_ERR_MISSING_ARGS(env, "OCSP response argument is mandatory");
THROW_AND_RETURN_IF_NOT_BUFFER(env, args[0], "OCSP response");
w->ocsp_response_.Reset(args.GetIsolate(), args[0].As<ArrayBufferView>());
}
void TLSWrap::RequestOCSP(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
SSL_set_tlsext_status_type(w->ssl_.get(), TLSEXT_STATUSTYPE_ocsp);
}
void TLSWrap::GetEphemeralKeyInfo(const FunctionCallbackInfo<Value>& args) {
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
Environment* env = Environment::GetCurrent(args);
CHECK(w->ssl_);
// tmp key is available on only client
if (w->is_server())
return args.GetReturnValue().SetNull();
args.GetReturnValue().Set(GetEphemeralKey(env, w->ssl_)
.FromMaybe(Local<Value>()));
// TODO(@sam-github) semver-major: else return ThrowCryptoError(env,
// ERR_get_error())
}
void TLSWrap::GetProtocol(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
args.GetReturnValue().Set(
OneByteString(env->isolate(), SSL_get_version(w->ssl_.get())));
}
void TLSWrap::GetALPNNegotiatedProto(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
const unsigned char* alpn_proto;
unsigned int alpn_proto_len;
SSL_get0_alpn_selected(w->ssl_.get(), &alpn_proto, &alpn_proto_len);
Local<Value> result;
if (alpn_proto_len == 0) {
result = False(env->isolate());
} else if (alpn_proto_len == sizeof("h2") - 1 &&
0 == memcmp(alpn_proto, "h2", sizeof("h2") - 1)) {
result = env->h2_string();
} else if (alpn_proto_len == sizeof("http/1.1") - 1 &&
0 == memcmp(alpn_proto, "http/1.1", sizeof("http/1.1") - 1)) {
result = env->http_1_1_string();
} else {
result = OneByteString(env->isolate(), alpn_proto, alpn_proto_len);
}
args.GetReturnValue().Set(result);
}
void TLSWrap::Cycle() {
// Prevent recursion
if (++cycle_depth_ > 1)
return;
for (; cycle_depth_ > 0; cycle_depth_--) {
ClearIn();
ClearOut();
// EncIn() doesn't exist, it happens via stream listener callbacks.
EncOut();
}
}
#ifdef SSL_set_max_send_fragment
void TLSWrap::SetMaxSendFragment(const FunctionCallbackInfo<Value>& args) {
CHECK(args.Length() >= 1 && args[0]->IsNumber());
Environment* env = Environment::GetCurrent(args);
TLSWrap* w;
ASSIGN_OR_RETURN_UNWRAP(&w, args.Holder());
int rv = SSL_set_max_send_fragment(
w->ssl_.get(),
args[0]->Int32Value(env->context()).FromJust());
args.GetReturnValue().Set(rv);
}
#endif // SSL_set_max_send_fragment
void TLSWrap::Initialize(
Local<Object> target,
Local<Value> unused,
Local<Context> context,
void* priv) {
Environment* env = Environment::GetCurrent(context);
env->SetMethod(target, "wrap", TLSWrap::Wrap);
NODE_DEFINE_CONSTANT(target, HAVE_SSL_TRACE);
Local<FunctionTemplate> t = BaseObject::MakeLazilyInitializedJSTemplate(env);
Local<String> tlsWrapString =
FIXED_ONE_BYTE_STRING(env->isolate(), "TLSWrap");
t->SetClassName(tlsWrapString);
t->InstanceTemplate()->SetInternalFieldCount(StreamBase::kInternalFieldCount);
Local<FunctionTemplate> get_write_queue_size =
FunctionTemplate::New(env->isolate(),
GetWriteQueueSize,
Local<Value>(),
Signature::New(env->isolate(), t));
t->PrototypeTemplate()->SetAccessorProperty(
env->write_queue_size_string(),
get_write_queue_size,
Local<FunctionTemplate>(),
static_cast<PropertyAttribute>(ReadOnly | DontDelete));
t->Inherit(AsyncWrap::GetConstructorTemplate(env));
env->SetProtoMethod(t, "certCbDone", CertCbDone);
env->SetProtoMethod(t, "destroySSL", DestroySSL);
env->SetProtoMethod(t, "enableCertCb", EnableCertCb);
env->SetProtoMethod(t, "endParser", EndParser);
env->SetProtoMethod(t, "enableKeylogCallback", EnableKeylogCallback);
env->SetProtoMethod(t, "enableSessionCallbacks", EnableSessionCallbacks);
env->SetProtoMethod(t, "enableTrace", EnableTrace);
env->SetProtoMethod(t, "getServername", GetServername);
env->SetProtoMethod(t, "loadSession", LoadSession);
env->SetProtoMethod(t, "newSessionDone", NewSessionDone);
env->SetProtoMethod(t, "receive", Receive);
env->SetProtoMethod(t, "renegotiate", Renegotiate);
env->SetProtoMethod(t, "requestOCSP", RequestOCSP);
env->SetProtoMethod(t, "setALPNProtocols", SetALPNProtocols);
env->SetProtoMethod(t, "setOCSPResponse", SetOCSPResponse);
env->SetProtoMethod(t, "setServername", SetServername);
env->SetProtoMethod(t, "setSession", SetSession);
env->SetProtoMethod(t, "setVerifyMode", SetVerifyMode);
env->SetProtoMethod(t, "start", Start);
env->SetProtoMethodNoSideEffect(t, "exportKeyingMaterial",
ExportKeyingMaterial);
env->SetProtoMethodNoSideEffect(t, "isSessionReused", IsSessionReused);
env->SetProtoMethodNoSideEffect(t, "getALPNNegotiatedProtocol",
GetALPNNegotiatedProto);
env->SetProtoMethodNoSideEffect(t, "getCertificate", GetCertificate);
env->SetProtoMethodNoSideEffect(t, "getX509Certificate", GetX509Certificate);
env->SetProtoMethodNoSideEffect(t, "getCipher", GetCipher);
env->SetProtoMethodNoSideEffect(t, "getEphemeralKeyInfo",
GetEphemeralKeyInfo);
env->SetProtoMethodNoSideEffect(t, "getFinished", GetFinished);
env->SetProtoMethodNoSideEffect(t, "getPeerCertificate", GetPeerCertificate);
env->SetProtoMethodNoSideEffect(t, "getPeerX509Certificate",
GetPeerX509Certificate);
env->SetProtoMethodNoSideEffect(t, "getPeerFinished", GetPeerFinished);
env->SetProtoMethodNoSideEffect(t, "getProtocol", GetProtocol);
env->SetProtoMethodNoSideEffect(t, "getSession", GetSession);
env->SetProtoMethodNoSideEffect(t, "getSharedSigalgs", GetSharedSigalgs);
env->SetProtoMethodNoSideEffect(t, "getTLSTicket", GetTLSTicket);
env->SetProtoMethodNoSideEffect(t, "verifyError", VerifyError);
#ifdef SSL_set_max_send_fragment
env->SetProtoMethod(t, "setMaxSendFragment", SetMaxSendFragment);
#endif // SSL_set_max_send_fragment
#ifndef OPENSSL_NO_PSK
env->SetProtoMethod(t, "enablePskCallback", EnablePskCallback);
env->SetProtoMethod(t, "setPskIdentityHint", SetPskIdentityHint);
#endif // !OPENSSL_NO_PSK
StreamBase::AddMethods(env, t);
Local<Function> fn = t->GetFunction(env->context()).ToLocalChecked();
env->set_tls_wrap_constructor_function(fn);
target->Set(env->context(), tlsWrapString, fn).Check();
}
void TLSWrap::RegisterExternalReferences(ExternalReferenceRegistry* registry) {
registry->Register(TLSWrap::Wrap);
registry->Register(GetWriteQueueSize);
registry->Register(CertCbDone);
registry->Register(DestroySSL);
registry->Register(EnableCertCb);
registry->Register(EndParser);
registry->Register(EnableKeylogCallback);
registry->Register(EnableSessionCallbacks);
registry->Register(EnableTrace);
registry->Register(GetServername);
registry->Register(LoadSession);
registry->Register(NewSessionDone);
registry->Register(Receive);
registry->Register(Renegotiate);
registry->Register(RequestOCSP);
registry->Register(SetALPNProtocols);
registry->Register(SetOCSPResponse);
registry->Register(SetServername);
registry->Register(SetSession);
registry->Register(SetVerifyMode);
registry->Register(Start);
registry->Register(ExportKeyingMaterial);
registry->Register(IsSessionReused);
registry->Register(GetALPNNegotiatedProto);
registry->Register(GetCertificate);
registry->Register(GetX509Certificate);
registry->Register(GetCipher);
registry->Register(GetEphemeralKeyInfo);
registry->Register(GetFinished);
registry->Register(GetPeerCertificate);
registry->Register(GetPeerX509Certificate);
registry->Register(GetPeerFinished);
registry->Register(GetProtocol);
registry->Register(GetSession);
registry->Register(GetSharedSigalgs);
registry->Register(GetTLSTicket);
registry->Register(VerifyError);
#ifdef SSL_set_max_send_fragment
registry->Register(SetMaxSendFragment);
#endif // SSL_set_max_send_fragment
#ifndef OPENSSL_NO_PSK
registry->Register(EnablePskCallback);
registry->Register(SetPskIdentityHint);
#endif // !OPENSSL_NO_PSK
}
} // namespace crypto
} // namespace node
NODE_MODULE_CONTEXT_AWARE_INTERNAL(tls_wrap, node::crypto::TLSWrap::Initialize)
NODE_MODULE_EXTERNAL_REFERENCE(
tls_wrap, node::crypto::TLSWrap::RegisterExternalReferences)
|