forked from openssl/openssl
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathreq.c
1618 lines (1465 loc) · 52.9 KB
/
req.c
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
/*
* Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <ctype.h>
#include "apps.h"
#include "progs.h"
#include <openssl/core_names.h>
#include <openssl/bio.h>
#include <openssl/evp.h>
#include <openssl/conf.h>
#include <openssl/err.h>
#include <openssl/asn1.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/objects.h>
#include <openssl/pem.h>
#include <openssl/bn.h>
#include <openssl/lhash.h>
#include <openssl/rsa.h>
#ifndef OPENSSL_NO_DSA
# include <openssl/dsa.h>
#endif
#define BITS "default_bits"
#define KEYFILE "default_keyfile"
#define PROMPT "prompt"
#define DISTINGUISHED_NAME "distinguished_name"
#define ATTRIBUTES "attributes"
#define V3_EXTENSIONS "x509_extensions"
#define REQ_EXTENSIONS "req_extensions"
#define STRING_MASK "string_mask"
#define UTF8_IN "utf8"
#define DEFAULT_KEY_LENGTH 2048
#define MIN_KEY_LENGTH 512
#define DEFAULT_DAYS 30 /* default cert validity period in days */
#define UNSET_DAYS -2 /* -1 may be used for testing expiration checks */
#define EXT_COPY_UNSET -1
static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, X509_NAME *fsubj,
int mutlirdn, int attribs, unsigned long chtype);
static int prompt_info(X509_REQ *req,
STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
int attribs, unsigned long chtype);
static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
STACK_OF(CONF_VALUE) *attr, int attribs,
unsigned long chtype);
static int add_attribute_object(X509_REQ *req, char *text, const char *def,
char *value, int nid, int n_min, int n_max,
unsigned long chtype);
static int add_DN_object(X509_NAME *n, char *text, const char *def,
char *value, int nid, int n_min, int n_max,
unsigned long chtype, int mval);
static int build_data(char *text, const char *def, char *value,
int n_min, int n_max, char *buf, const int buf_size,
const char *desc1, const char *desc2);
static int req_check_len(int len, int n_min, int n_max);
static int check_end(const char *str, const char *end);
static int join(char buf[], size_t buf_size, const char *name,
const char *tail, const char *desc);
static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
char **pkeytype, long *pkeylen,
ENGINE *keygen_engine);
static const char *section = "req";
static CONF *req_conf = NULL;
static CONF *addext_conf = NULL;
static int batch = 0;
typedef enum OPTION_choice {
OPT_COMMON,
OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_KEYGEN_ENGINE, OPT_KEY,
OPT_PUBKEY, OPT_NEW, OPT_CONFIG, OPT_KEYFORM, OPT_IN, OPT_OUT,
OPT_KEYOUT, OPT_PASSIN, OPT_PASSOUT, OPT_NEWKEY,
OPT_PKEYOPT, OPT_SIGOPT, OPT_VFYOPT, OPT_BATCH, OPT_NEWHDR, OPT_MODULUS,
OPT_VERIFY, OPT_NOENC, OPT_NODES, OPT_NOOUT, OPT_VERBOSE, OPT_UTF8,
OPT_NAMEOPT, OPT_REQOPT, OPT_SUBJ, OPT_SUBJECT, OPT_TEXT,
OPT_X509, OPT_X509V1, OPT_CA, OPT_CAKEY,
OPT_MULTIVALUE_RDN, OPT_DAYS, OPT_SET_SERIAL,
OPT_COPY_EXTENSIONS, OPT_EXTENSIONS, OPT_REQEXTS, OPT_ADDEXT,
OPT_PRECERT, OPT_MD,
OPT_SECTION,
OPT_R_ENUM, OPT_PROV_ENUM
} OPTION_CHOICE;
const OPTIONS req_options[] = {
OPT_SECTION("General"),
{"help", OPT_HELP, '-', "Display this summary"},
#ifndef OPENSSL_NO_ENGINE
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
{"keygen_engine", OPT_KEYGEN_ENGINE, 's',
"Specify engine to be used for key generation operations"},
#endif
{"in", OPT_IN, '<', "X.509 request input file (default stdin)"},
{"inform", OPT_INFORM, 'F',
"CSR input format to use (PEM or DER; by default try PEM first)"},
{"verify", OPT_VERIFY, '-', "Verify self-signature on the request"},
OPT_SECTION("Certificate"),
{"new", OPT_NEW, '-', "New request"},
{"config", OPT_CONFIG, '<', "Request template file"},
{"section", OPT_SECTION, 's', "Config section to use (default \"req\")"},
{"utf8", OPT_UTF8, '-', "Input characters are UTF8 (default ASCII)"},
{"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
{"reqopt", OPT_REQOPT, 's', "Various request text options"},
{"text", OPT_TEXT, '-', "Text form of request"},
{"x509", OPT_X509, '-',
"Output an X.509 certificate structure instead of a cert request"},
{"x509v1", OPT_X509V1, '-', "Request cert generation with X.509 version 1"},
{"CA", OPT_CA, '<', "Issuer cert to use for signing a cert, implies -x509"},
{"CAkey", OPT_CAKEY, 's',
"Issuer private key to use with -CA; default is -CA arg"},
{OPT_MORE_STR, 1, 1, "(Required by some CA's)"},
{"subj", OPT_SUBJ, 's', "Set or modify subject of request or cert"},
{"subject", OPT_SUBJECT, '-',
"Print the subject of the output request or cert"},
{"multivalue-rdn", OPT_MULTIVALUE_RDN, '-',
"Deprecated; multi-valued RDNs support is always on."},
{"days", OPT_DAYS, 'p', "Number of days cert is valid for"},
{"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"},
{"copy_extensions", OPT_COPY_EXTENSIONS, 's',
"copy extensions from request when using -x509"},
{"extensions", OPT_EXTENSIONS, 's',
"Cert or request extension section (override value in config file)"},
{"reqexts", OPT_REQEXTS, 's', "An alias for -extensions"},
{"addext", OPT_ADDEXT, 's',
"Additional cert extension key=value pair (may be given more than once)"},
{"precert", OPT_PRECERT, '-', "Add a poison extension to generated cert (implies -new)"},
OPT_SECTION("Keys and Signing"),
{"key", OPT_KEY, 's', "Key for signing, and to include unless -in given"},
{"keyform", OPT_KEYFORM, 'f', "Key file format (ENGINE, other values ignored)"},
{"pubkey", OPT_PUBKEY, '-', "Output public key"},
{"keyout", OPT_KEYOUT, '>', "File to write private key to"},
{"passin", OPT_PASSIN, 's', "Private key and certificate password source"},
{"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
{"newkey", OPT_NEWKEY, 's',
"Generate new key with [<alg>:]<nbits> or <alg>[:<file>] or param:<file>"},
{"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"},
{"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
{"vfyopt", OPT_VFYOPT, 's', "Verification parameter in n:v form"},
{"", OPT_MD, '-', "Any supported digest"},
OPT_SECTION("Output"),
{"out", OPT_OUT, '>', "Output file"},
{"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
{"batch", OPT_BATCH, '-',
"Do not ask anything during request generation"},
{"verbose", OPT_VERBOSE, '-', "Verbose output"},
{"noenc", OPT_NOENC, '-', "Don't encrypt private keys"},
{"nodes", OPT_NODES, '-', "Don't encrypt private keys; deprecated"},
{"noout", OPT_NOOUT, '-', "Do not output REQ"},
{"newhdr", OPT_NEWHDR, '-', "Output \"NEW\" in the header lines"},
{"modulus", OPT_MODULUS, '-', "RSA modulus"},
OPT_R_OPTIONS,
OPT_PROV_OPTIONS,
{NULL}
};
/*
* An LHASH of strings, where each string is an extension name.
*/
static unsigned long ext_name_hash(const OPENSSL_STRING *a)
{
return OPENSSL_LH_strhash((const char *)a);
}
static int ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b)
{
return strcmp((const char *)a, (const char *)b);
}
static void exts_cleanup(OPENSSL_STRING *x)
{
OPENSSL_free((char *)x);
}
/*
* Is the |kv| key already duplicated?
* Return 0 if unique, -1 on runtime error, -2 on syntax error; 1 if found.
*/
static int duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv)
{
char *p;
size_t off;
/* Check syntax. */
/* Skip leading whitespace, make a copy. */
while (isspace(_UC(*kv)))
kv++;
if ((p = strchr(kv, '=')) == NULL) {
BIO_printf(bio_err, "Parse error on -addext: missing '='\n");
return -2;
}
off = p - kv;
if ((kv = OPENSSL_strdup(kv)) == NULL)
return -1;
/* Skip trailing space before the equal sign. */
for (p = kv + off; p > kv; --p)
if (!isspace(_UC(p[-1])))
break;
if (p == kv) {
BIO_printf(bio_err, "Parse error on -addext: missing key\n");
OPENSSL_free(kv);
return -2;
}
*p = '\0';
/* Finally have a clean "key"; see if it's there [by attempt to add it]. */
p = (char *)lh_OPENSSL_STRING_insert(addexts, (OPENSSL_STRING *)kv);
if (p != NULL) {
BIO_printf(bio_err, "Duplicate extension name: %s\n", kv);
OPENSSL_free(p);
return 1;
} else if (lh_OPENSSL_STRING_error(addexts)) {
OPENSSL_free(kv);
return -1;
}
return 0;
}
int req_main(int argc, char **argv)
{
ASN1_INTEGER *serial = NULL;
BIO *out = NULL;
ENGINE *e = NULL, *gen_eng = NULL;
EVP_PKEY *pkey = NULL, *CAkey = NULL;
EVP_PKEY_CTX *genctx = NULL;
STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL, *vfyopts = NULL;
LHASH_OF(OPENSSL_STRING) *addexts = NULL;
X509 *new_x509 = NULL, *CAcert = NULL;
X509_REQ *req = NULL;
EVP_CIPHER *cipher = NULL;
int ext_copy = EXT_COPY_UNSET;
BIO *addext_bio = NULL;
char *extsect = NULL;
const char *infile = NULL, *CAfile = NULL, *CAkeyfile = NULL;
char *outfile = NULL, *keyfile = NULL, *digest = NULL;
char *keyalgstr = NULL, *p, *prog, *passargin = NULL, *passargout = NULL;
char *passin = NULL, *passout = NULL;
char *nofree_passin = NULL, *nofree_passout = NULL;
char *subj = NULL;
X509_NAME *fsubj = NULL;
char *template = default_config_file, *keyout = NULL;
const char *keyalg = NULL;
OPTION_CHOICE o;
int days = UNSET_DAYS;
int ret = 1, gen_x509 = 0, i = 0, newreq = 0, verbose = 0;
int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, keyform = FORMAT_UNDEF;
int modulus = 0, multirdn = 1, verify = 0, noout = 0, text = 0;
int noenc = 0, newhdr = 0, subject = 0, pubkey = 0, precert = 0, x509v1 = 0;
long newkey_len = -1;
unsigned long chtype = MBSTRING_ASC, reqflag = 0;
#ifndef OPENSSL_NO_DES
cipher = (EVP_CIPHER *)EVP_des_ede3_cbc();
#endif
opt_set_unknown_name("digest");
prog = opt_init(argc, argv, req_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(req_options);
ret = 0;
goto end;
case OPT_INFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
goto opthelp;
break;
case OPT_OUTFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
goto opthelp;
break;
case OPT_ENGINE:
e = setup_engine(opt_arg(), 0);
break;
case OPT_KEYGEN_ENGINE:
#ifndef OPENSSL_NO_ENGINE
gen_eng = setup_engine(opt_arg(), 0);
if (gen_eng == NULL) {
BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
goto opthelp;
}
#endif
break;
case OPT_KEY:
keyfile = opt_arg();
break;
case OPT_PUBKEY:
pubkey = 1;
break;
case OPT_NEW:
newreq = 1;
break;
case OPT_CONFIG:
template = opt_arg();
break;
case OPT_SECTION:
section = opt_arg();
break;
case OPT_KEYFORM:
if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
goto opthelp;
break;
case OPT_IN:
infile = opt_arg();
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_KEYOUT:
keyout = opt_arg();
break;
case OPT_PASSIN:
passargin = opt_arg();
break;
case OPT_PASSOUT:
passargout = opt_arg();
break;
case OPT_R_CASES:
if (!opt_rand(o))
goto end;
break;
case OPT_PROV_CASES:
if (!opt_provider(o))
goto end;
break;
case OPT_NEWKEY:
keyalg = opt_arg();
newreq = 1;
break;
case OPT_PKEYOPT:
if (pkeyopts == NULL)
pkeyopts = sk_OPENSSL_STRING_new_null();
if (pkeyopts == NULL
|| !sk_OPENSSL_STRING_push(pkeyopts, opt_arg()))
goto opthelp;
break;
case OPT_SIGOPT:
if (!sigopts)
sigopts = sk_OPENSSL_STRING_new_null();
if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
goto opthelp;
break;
case OPT_VFYOPT:
if (!vfyopts)
vfyopts = sk_OPENSSL_STRING_new_null();
if (!vfyopts || !sk_OPENSSL_STRING_push(vfyopts, opt_arg()))
goto opthelp;
break;
case OPT_BATCH:
batch = 1;
break;
case OPT_NEWHDR:
newhdr = 1;
break;
case OPT_MODULUS:
modulus = 1;
break;
case OPT_VERIFY:
verify = 1;
break;
case OPT_NODES:
case OPT_NOENC:
noenc = 1;
break;
case OPT_NOOUT:
noout = 1;
break;
case OPT_VERBOSE:
verbose = 1;
break;
case OPT_UTF8:
chtype = MBSTRING_UTF8;
break;
case OPT_NAMEOPT:
if (!set_nameopt(opt_arg()))
goto opthelp;
break;
case OPT_REQOPT:
if (!set_cert_ex(&reqflag, opt_arg()))
goto opthelp;
break;
case OPT_TEXT:
text = 1;
break;
case OPT_X509V1:
x509v1 = 1;
/* fall thru */
case OPT_X509:
gen_x509 = 1;
break;
case OPT_CA:
CAfile = opt_arg();
gen_x509 = 1;
break;
case OPT_CAKEY:
CAkeyfile = opt_arg();
break;
case OPT_DAYS:
days = atoi(opt_arg());
if (days < -1) {
BIO_printf(bio_err, "%s: -days parameter arg must be >= -1\n",
prog);
goto end;
}
break;
case OPT_SET_SERIAL:
if (serial != NULL) {
BIO_printf(bio_err, "Serial number supplied twice\n");
goto opthelp;
}
serial = s2i_ASN1_INTEGER(NULL, opt_arg());
if (serial == NULL)
goto opthelp;
break;
case OPT_SUBJECT:
subject = 1;
break;
case OPT_SUBJ:
subj = opt_arg();
break;
case OPT_MULTIVALUE_RDN:
/* obsolete */
break;
case OPT_COPY_EXTENSIONS:
if (!set_ext_copy(&ext_copy, opt_arg())) {
BIO_printf(bio_err, "Invalid extension copy option: \"%s\"\n",
opt_arg());
goto end;
}
break;
case OPT_EXTENSIONS:
case OPT_REQEXTS:
extsect = opt_arg();
break;
case OPT_ADDEXT:
p = opt_arg();
if (addexts == NULL) {
addexts = lh_OPENSSL_STRING_new(ext_name_hash, ext_name_cmp);
addext_bio = BIO_new(BIO_s_mem());
if (addexts == NULL || addext_bio == NULL)
goto end;
}
i = duplicated(addexts, p);
if (i == 1)
goto opthelp;
if (i == -1)
BIO_printf(bio_err, "Internal error handling -addext %s\n", p);
if (i < 0 || BIO_printf(addext_bio, "%s\n", p) < 0)
goto end;
break;
case OPT_PRECERT:
newreq = precert = 1;
break;
case OPT_MD:
digest = opt_unknown();
break;
}
}
/* No extra arguments. */
if (!opt_check_rest_arg(NULL))
goto opthelp;
if (!app_RAND_load())
goto end;
if (!gen_x509) {
if (days != UNSET_DAYS)
BIO_printf(bio_err, "Ignoring -days without -x509; not generating a certificate\n");
if (ext_copy == EXT_COPY_NONE)
BIO_printf(bio_err, "Ignoring -copy_extensions 'none' when -x509 is not given\n");
}
if (infile == NULL) {
if (gen_x509)
newreq = 1;
else if (!newreq)
BIO_printf(bio_err,
"Warning: Will read cert request from stdin since no -in option is given\n");
}
if (!app_passwd(passargin, passargout, &passin, &passout)) {
BIO_printf(bio_err, "Error getting passwords\n");
goto end;
}
if ((req_conf = app_load_config_verbose(template, verbose)) == NULL)
goto end;
if (addext_bio != NULL) {
if (verbose)
BIO_printf(bio_err,
"Using additional configuration from -addext options\n");
if ((addext_conf = app_load_config_bio(addext_bio, NULL)) == NULL)
goto end;
}
if (template != default_config_file && !app_load_modules(req_conf))
goto end;
if (req_conf != NULL) {
p = app_conf_try_string(req_conf, NULL, "oid_file");
if (p != NULL) {
BIO *oid_bio = BIO_new_file(p, "r");
if (oid_bio == NULL) {
if (verbose)
BIO_printf(bio_err,
"Problems opening '%s' for extra OIDs\n", p);
} else {
OBJ_create_objects(oid_bio);
BIO_free(oid_bio);
}
}
}
if (!add_oid_section(req_conf))
goto end;
/* Check that any specified digest is fetchable */
if (digest != NULL) {
if (!opt_check_md(digest))
goto opthelp;
} else {
/* No digest specified, default to configuration */
p = app_conf_try_string(req_conf, section, "default_md");
if (p != NULL)
digest = p;
}
if (extsect == NULL)
extsect = app_conf_try_string(req_conf, section,
gen_x509 ? V3_EXTENSIONS : REQ_EXTENSIONS);
if (extsect != NULL) {
/* Check syntax of extension section in config file */
X509V3_CTX ctx;
X509V3_set_ctx_test(&ctx);
X509V3_set_nconf(&ctx, req_conf);
if (!X509V3_EXT_add_nconf(req_conf, &ctx, extsect, NULL)) {
BIO_printf(bio_err,
"Error checking %s extension section %s\n",
gen_x509 ? "x509" : "request", extsect);
goto end;
}
}
if (addext_conf != NULL) {
/* Check syntax of command line extensions */
X509V3_CTX ctx;
X509V3_set_ctx_test(&ctx);
X509V3_set_nconf(&ctx, addext_conf);
if (!X509V3_EXT_add_nconf(addext_conf, &ctx, "default", NULL)) {
BIO_printf(bio_err, "Error checking extensions defined using -addext\n");
goto end;
}
}
if (passin == NULL)
passin = nofree_passin =
app_conf_try_string(req_conf, section, "input_password");
if (passout == NULL)
passout = nofree_passout =
app_conf_try_string(req_conf, section, "output_password");
p = app_conf_try_string(req_conf, section, STRING_MASK);
if (p != NULL && !ASN1_STRING_set_default_mask_asc(p)) {
BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
goto end;
}
if (chtype != MBSTRING_UTF8) {
p = app_conf_try_string(req_conf, section, UTF8_IN);
if (p != NULL && strcmp(p, "yes") == 0)
chtype = MBSTRING_UTF8;
}
if (keyfile != NULL) {
pkey = load_key(keyfile, keyform, 0, passin, e, "private key");
if (pkey == NULL)
goto end;
app_RAND_load_conf(req_conf, section);
}
if (keyalg != NULL && pkey != NULL) {
BIO_printf(bio_err,
"Warning: Not generating key via given -newkey option since -key is given\n");
/* Better throw an error in this case */
}
if (newreq && pkey == NULL) {
app_RAND_load_conf(req_conf, section);
if (!app_conf_try_number(req_conf, section, BITS, &newkey_len))
newkey_len = DEFAULT_KEY_LENGTH;
genctx = set_keygen_ctx(keyalg, &keyalgstr, &newkey_len, gen_eng);
if (genctx == NULL)
goto end;
if (newkey_len < MIN_KEY_LENGTH
&& (EVP_PKEY_CTX_is_a(genctx, "RSA")
|| EVP_PKEY_CTX_is_a(genctx, "RSA-PSS")
|| EVP_PKEY_CTX_is_a(genctx, "DSA"))) {
BIO_printf(bio_err, "Private key length too short, needs to be at least %d bits, not %ld.\n",
MIN_KEY_LENGTH, newkey_len);
goto end;
}
if (newkey_len > OPENSSL_RSA_MAX_MODULUS_BITS
&& (EVP_PKEY_CTX_is_a(genctx, "RSA")
|| EVP_PKEY_CTX_is_a(genctx, "RSA-PSS")))
BIO_printf(bio_err,
"Warning: It is not recommended to use more than %d bit for RSA keys.\n"
" Your key size is %ld! Larger key size may behave not as expected.\n",
OPENSSL_RSA_MAX_MODULUS_BITS, newkey_len);
#ifndef OPENSSL_NO_DSA
if (EVP_PKEY_CTX_is_a(genctx, "DSA")
&& newkey_len > OPENSSL_DSA_MAX_MODULUS_BITS)
BIO_printf(bio_err,
"Warning: It is not recommended to use more than %d bit for DSA keys.\n"
" Your key size is %ld! Larger key size may behave not as expected.\n",
OPENSSL_DSA_MAX_MODULUS_BITS, newkey_len);
#endif
if (pkeyopts != NULL) {
char *genopt;
for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
if (pkey_ctrl_string(genctx, genopt) <= 0) {
BIO_printf(bio_err, "Key parameter error \"%s\"\n", genopt);
goto end;
}
}
}
EVP_PKEY_CTX_set_cb(genctx, progress_cb);
EVP_PKEY_CTX_set_app_data(genctx, bio_err);
pkey = app_keygen(genctx, keyalgstr, newkey_len, verbose);
EVP_PKEY_CTX_free(genctx);
genctx = NULL;
}
if (keyout == NULL && keyfile == NULL)
keyout = app_conf_try_string(req_conf, section, KEYFILE);
if (pkey != NULL && (keyfile == NULL || keyout != NULL)) {
if (verbose) {
BIO_printf(bio_err, "Writing private key to ");
if (keyout == NULL)
BIO_printf(bio_err, "stdout\n");
else
BIO_printf(bio_err, "'%s'\n", keyout);
}
out = bio_open_owner(keyout, outformat, newreq);
if (out == NULL)
goto end;
p = app_conf_try_string(req_conf, section, "encrypt_rsa_key");
if (p == NULL)
p = app_conf_try_string(req_conf, section, "encrypt_key");
if (p != NULL && strcmp(p, "no") == 0)
cipher = NULL;
if (noenc)
cipher = NULL;
i = 0;
loop:
if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
NULL, 0, NULL, passout)) {
if ((ERR_GET_REASON(ERR_peek_error()) ==
PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
ERR_clear_error();
i++;
goto loop;
}
goto end;
}
BIO_free(out);
out = NULL;
BIO_printf(bio_err, "-----\n");
}
/*
* subj is expected to be in the format /type0=value0/type1=value1/type2=...
* where characters may be escaped by \
*/
if (subj != NULL
&& (fsubj = parse_name(subj, chtype, multirdn, "subject")) == NULL)
goto end;
if (!newreq) {
if (keyfile != NULL)
BIO_printf(bio_err,
"Warning: Not placing -key in cert or request since request is used\n");
req = load_csr_autofmt(infile /* if NULL, reads from stdin */,
informat, vfyopts, "X509 request");
if (req == NULL)
goto end;
} else if (infile != NULL) {
BIO_printf(bio_err,
"Warning: Ignoring -in option since -new or -newkey or -precert is given\n");
/* Better throw an error in this case, as done in the x509 app */
}
if (CAkeyfile == NULL)
CAkeyfile = CAfile;
if (CAkeyfile != NULL) {
if (CAfile == NULL) {
BIO_printf(bio_err,
"Warning: Ignoring -CAkey option since no -CA option is given\n");
} else {
if ((CAkey = load_key(CAkeyfile, FORMAT_UNDEF,
0, passin, e,
CAkeyfile != CAfile
? "issuer private key from -CAkey arg"
: "issuer private key from -CA arg")) == NULL)
goto end;
}
}
if (CAfile != NULL) {
if ((CAcert = load_cert_pass(CAfile, FORMAT_UNDEF, 1, passin,
"issuer cert from -CA arg")) == NULL)
goto end;
if (!X509_check_private_key(CAcert, CAkey)) {
BIO_printf(bio_err,
"Issuer CA certificate and key do not match\n");
goto end;
}
}
if (newreq || gen_x509) {
if (CAcert == NULL && pkey == NULL) {
BIO_printf(bio_err, "Must provide a signature key using -key or"
" provide -CA / -CAkey\n");
goto end;
}
if (req == NULL) {
req = X509_REQ_new_ex(app_get0_libctx(), app_get0_propq());
if (req == NULL) {
goto end;
}
if (!make_REQ(req, pkey, fsubj, multirdn, !gen_x509, chtype)) {
BIO_printf(bio_err, "Error making certificate request\n");
goto end;
}
/* Note that -x509 can take over -key and -subj option values. */
}
if (gen_x509) {
EVP_PKEY *pub_key = X509_REQ_get0_pubkey(req);
EVP_PKEY *issuer_key = CAcert != NULL ? CAkey : pkey;
X509V3_CTX ext_ctx;
X509_NAME *issuer = CAcert != NULL ? X509_get_subject_name(CAcert) :
X509_REQ_get_subject_name(req);
X509_NAME *n_subj = fsubj != NULL ? fsubj :
X509_REQ_get_subject_name(req);
if (CAcert != NULL && keyfile != NULL)
BIO_printf(bio_err,
"Warning: Not using -key or -newkey for signing since -CA option is given\n");
if ((new_x509 = X509_new_ex(app_get0_libctx(),
app_get0_propq())) == NULL)
goto end;
if (serial != NULL) {
if (!X509_set_serialNumber(new_x509, serial))
goto end;
} else {
if (!rand_serial(NULL, X509_get_serialNumber(new_x509)))
goto end;
}
if (!X509_set_issuer_name(new_x509, issuer))
goto end;
if (days == UNSET_DAYS) {
days = DEFAULT_DAYS;
}
if (!set_cert_times(new_x509, NULL, NULL, days))
goto end;
if (!X509_set_subject_name(new_x509, n_subj))
goto end;
if (!pub_key || !X509_set_pubkey(new_x509, pub_key))
goto end;
if (ext_copy == EXT_COPY_UNSET) {
if (infile != NULL)
BIO_printf(bio_err, "Warning: No -copy_extensions given; ignoring any extensions in the request\n");
} else if (!copy_extensions(new_x509, req, ext_copy)) {
BIO_printf(bio_err, "Error copying extensions from request\n");
goto end;
}
/* Set up V3 context struct */
X509V3_set_ctx(&ext_ctx, CAcert != NULL ? CAcert : new_x509,
new_x509, NULL, NULL, X509V3_CTX_REPLACE);
/* prepare fallback for AKID, but only if issuer cert == new_x509 */
if (CAcert == NULL) {
if (!X509V3_set_issuer_pkey(&ext_ctx, issuer_key))
goto end;
if (!cert_matches_key(new_x509, issuer_key))
BIO_printf(bio_err,
"Warning: Signature key and public key of cert do not match\n");
}
X509V3_set_nconf(&ext_ctx, req_conf);
/* Add extensions */
if (extsect != NULL
&& !X509V3_EXT_add_nconf(req_conf, &ext_ctx, extsect, new_x509)) {
BIO_printf(bio_err, "Error adding x509 extensions from section %s\n",
extsect);
goto end;
}
if (addext_conf != NULL
&& !X509V3_EXT_add_nconf(addext_conf, &ext_ctx, "default",
new_x509)) {
BIO_printf(bio_err, "Error adding x509 extensions defined via -addext\n");
goto end;
}
/* If a pre-cert was requested, we need to add a poison extension */
if (precert) {
if (X509_add1_ext_i2d(new_x509, NID_ct_precert_poison,
NULL, 1, 0) != 1) {
BIO_printf(bio_err, "Error adding poison extension\n");
goto end;
}
}
i = do_X509_sign(new_x509, x509v1, issuer_key, digest, sigopts,
&ext_ctx);
if (!i)
goto end;
} else {
X509V3_CTX ext_ctx;
if (precert) {
BIO_printf(bio_err,
"Warning: Ignoring -precert flag since no cert is produced\n");
}
/* Set up V3 context struct */
X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, X509V3_CTX_REPLACE);
X509V3_set_nconf(&ext_ctx, req_conf);
/* Add extensions */
if (extsect != NULL
&& !X509V3_EXT_REQ_add_nconf(req_conf, &ext_ctx, extsect, req)) {
BIO_printf(bio_err, "Error adding request extensions from section %s\n",
extsect);
goto end;
}
if (addext_conf != NULL
&& !X509V3_EXT_REQ_add_nconf(addext_conf, &ext_ctx, "default",
req)) {
BIO_printf(bio_err, "Error adding request extensions defined via -addext\n");
goto end;
}
i = do_X509_REQ_sign(req, pkey, digest, sigopts);
if (!i)
goto end;
}
}
if (subj != NULL && !newreq && !gen_x509) {
if (verbose) {
BIO_printf(out, "Modifying subject of certificate request\n");
print_name(out, "Old subject=", X509_REQ_get_subject_name(req));
}
if (!X509_REQ_set_subject_name(req, fsubj)) {
BIO_printf(bio_err, "Error modifying subject of certificate request\n");
goto end;
}
if (verbose) {
print_name(out, "New subject=", X509_REQ_get_subject_name(req));
}
}
if (verify) {
EVP_PKEY *tpubkey = pkey;
if (tpubkey == NULL) {
tpubkey = X509_REQ_get0_pubkey(req);
if (tpubkey == NULL)
goto end;
}
i = do_X509_REQ_verify(req, tpubkey, vfyopts);
if (i < 0)
goto end;
if (i == 0)
BIO_printf(bio_err, "Certificate request self-signature verify failure\n");
else /* i > 0 */
BIO_printf(bio_out, "Certificate request self-signature verify OK\n");
}
if (noout && !text && !modulus && !subject && !pubkey) {
ret = 0;
goto end;
}
out = bio_open_default(outfile,
keyout != NULL && outfile != NULL &&
strcmp(keyout, outfile) == 0 ? 'a' : 'w',
outformat);
if (out == NULL)
goto end;
if (pubkey) {
EVP_PKEY *tpubkey = X509_REQ_get0_pubkey(req);
if (tpubkey == NULL) {
BIO_printf(bio_err, "Error getting public key\n");
goto end;
}
PEM_write_bio_PUBKEY(out, tpubkey);
}
if (text) {
if (gen_x509)
ret = X509_print_ex(out, new_x509, get_nameopt(), reqflag);
else
ret = X509_REQ_print_ex(out, req, get_nameopt(), reqflag);
if (ret == 0) {
if (gen_x509)
BIO_printf(bio_err, "Error printing certificate\n");
else
BIO_printf(bio_err, "Error printing certificate request\n");
goto end;
}
}
if (subject) {
print_name(out, "subject=", gen_x509
? X509_get_subject_name(new_x509)
: X509_REQ_get_subject_name(req));
}
if (modulus) {
EVP_PKEY *tpubkey;
if (gen_x509)
tpubkey = X509_get0_pubkey(new_x509);
else
tpubkey = X509_REQ_get0_pubkey(req);
if (tpubkey == NULL) {
fprintf(stdout, "Modulus is unavailable\n");
goto end;
}
fprintf(stdout, "Modulus=");
if (EVP_PKEY_is_a(tpubkey, "RSA") || EVP_PKEY_is_a(tpubkey, "RSA-PSS")) {
BIGNUM *n = NULL;
if (!EVP_PKEY_get_bn_param(tpubkey, "n", &n))
goto end;
BN_print(out, n);
BN_free(n);
} else {
fprintf(stdout, "Wrong Algorithm type");
}
fprintf(stdout, "\n");
}
if (!noout && !gen_x509) {
if (outformat == FORMAT_ASN1)
i = i2d_X509_REQ_bio(out, req);
else if (newhdr)
i = PEM_write_bio_X509_REQ_NEW(out, req);
else
i = PEM_write_bio_X509_REQ(out, req);
if (!i) {
BIO_printf(bio_err, "Unable to write certificate request\n");
goto end;
}
}
if (!noout && gen_x509 && new_x509 != NULL) {
if (outformat == FORMAT_ASN1)
i = i2d_X509_bio(out, new_x509);