/
req.c
1633 lines (1502 loc) · 52 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
/* apps/req.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/*
* Until the key-gen callbacks are modified to use newer prototypes, we allow
* deprecated functions for openssl-internal code
*/
#ifdef OPENSSL_NO_DEPRECATED
# undef OPENSSL_NO_DEPRECATED
#endif
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#ifdef OPENSSL_NO_STDIO
# define APPS_WIN16
#endif
#include "apps.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>
#ifndef OPENSSL_NO_RSA
# include <openssl/rsa.h>
#endif
#ifndef OPENSSL_NO_DSA
# include <openssl/dsa.h>
#endif
#define SECTION "req"
#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 512
#define MIN_KEY_LENGTH 384
#undef PROG
#define PROG req_main
/*-
* -inform arg - input format - default PEM (DER or PEM)
* -outform arg - output format - default PEM
* -in arg - input file - default stdin
* -out arg - output file - default stdout
* -verify - check request signature
* -noout - don't print stuff out.
* -text - print out human readable text.
* -nodes - no des encryption
* -config file - Load configuration file.
* -key file - make a request using key in file (or use it for verification).
* -keyform arg - key file format.
* -rand file(s) - load the file(s) into the PRNG.
* -newkey - make a key and a request.
* -modulus - print RSA modulus.
* -pubkey - output Public Key.
* -x509 - output a self signed X509 structure instead.
* -asn1-kludge - output new certificate request in a format that some CA's
* require. This format is wrong
*/
static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *dn, int mutlirdn,
int attribs, unsigned long chtype);
static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
int multirdn);
static int prompt_info(X509_REQ *req,
STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
STACK_OF(CONF_VALUE) *attr_sk, 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);
#ifndef OPENSSL_NO_RSA
static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb);
#endif
static int req_check_len(int len, int n_min, int n_max);
static int check_end(const char *str, const char *end);
#ifndef MONOLITH
static char *default_config_file = NULL;
#endif
static CONF *req_conf = NULL;
static int batch = 0;
#define TYPE_RSA 1
#define TYPE_DSA 2
#define TYPE_DH 3
#define TYPE_EC 4
int MAIN(int, char **);
int MAIN(int argc, char **argv)
{
ENGINE *e = NULL;
#ifndef OPENSSL_NO_DSA
DSA *dsa_params = NULL;
#endif
#ifndef OPENSSL_NO_ECDSA
EC_KEY *ec_params = NULL;
#endif
unsigned long nmflag = 0, reqflag = 0;
int ex = 1, x509 = 0, days = 30;
X509 *x509ss = NULL;
X509_REQ *req = NULL;
EVP_PKEY *pkey = NULL;
int i = 0, badops = 0, newreq = 0, verbose = 0, pkey_type = TYPE_RSA;
long newkey = -1;
BIO *in = NULL, *out = NULL;
int informat, outformat, verify = 0, noout = 0, text = 0, keyform =
FORMAT_PEM;
int nodes = 0, kludge = 0, newhdr = 0, subject = 0, pubkey = 0;
char *infile, *outfile, *prog, *keyfile = NULL, *template =
NULL, *keyout = NULL;
#ifndef OPENSSL_NO_ENGINE
char *engine = NULL;
#endif
char *extensions = NULL;
char *req_exts = NULL;
const EVP_CIPHER *cipher = NULL;
ASN1_INTEGER *serial = NULL;
int modulus = 0;
char *inrand = NULL;
char *passargin = NULL, *passargout = NULL;
char *passin = NULL, *passout = NULL;
char *p;
char *subj = NULL;
int multirdn = 0;
const EVP_MD *md_alg = NULL, *digest = EVP_sha1();
unsigned long chtype = MBSTRING_ASC;
#ifndef MONOLITH
char *to_free;
long errline;
#endif
req_conf = NULL;
#ifndef OPENSSL_NO_DES
cipher = EVP_des_ede3_cbc();
#endif
apps_startup();
if (bio_err == NULL)
if ((bio_err = BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
infile = NULL;
outfile = NULL;
informat = FORMAT_PEM;
outformat = FORMAT_PEM;
prog = argv[0];
argc--;
argv++;
while (argc >= 1) {
if (strcmp(*argv, "-inform") == 0) {
if (--argc < 1)
goto bad;
informat = str2fmt(*(++argv));
} else if (strcmp(*argv, "-outform") == 0) {
if (--argc < 1)
goto bad;
outformat = str2fmt(*(++argv));
}
#ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv, "-engine") == 0) {
if (--argc < 1)
goto bad;
engine = *(++argv);
}
#endif
else if (strcmp(*argv, "-key") == 0) {
if (--argc < 1)
goto bad;
keyfile = *(++argv);
} else if (strcmp(*argv, "-pubkey") == 0) {
pubkey = 1;
} else if (strcmp(*argv, "-new") == 0) {
newreq = 1;
} else if (strcmp(*argv, "-config") == 0) {
if (--argc < 1)
goto bad;
template = *(++argv);
} else if (strcmp(*argv, "-keyform") == 0) {
if (--argc < 1)
goto bad;
keyform = str2fmt(*(++argv));
} else if (strcmp(*argv, "-in") == 0) {
if (--argc < 1)
goto bad;
infile = *(++argv);
} else if (strcmp(*argv, "-out") == 0) {
if (--argc < 1)
goto bad;
outfile = *(++argv);
} else if (strcmp(*argv, "-keyout") == 0) {
if (--argc < 1)
goto bad;
keyout = *(++argv);
} else if (strcmp(*argv, "-passin") == 0) {
if (--argc < 1)
goto bad;
passargin = *(++argv);
} else if (strcmp(*argv, "-passout") == 0) {
if (--argc < 1)
goto bad;
passargout = *(++argv);
} else if (strcmp(*argv, "-rand") == 0) {
if (--argc < 1)
goto bad;
inrand = *(++argv);
} else if (strcmp(*argv, "-newkey") == 0) {
int is_numeric;
if (--argc < 1)
goto bad;
p = *(++argv);
is_numeric = p[0] >= '0' && p[0] <= '9';
if (strncmp("rsa:", p, 4) == 0 || is_numeric) {
pkey_type = TYPE_RSA;
if (!is_numeric)
p += 4;
newkey = atoi(p);
} else
#ifndef OPENSSL_NO_DSA
if (strncmp("dsa:", p, 4) == 0) {
X509 *xtmp = NULL;
EVP_PKEY *dtmp;
pkey_type = TYPE_DSA;
p += 4;
if ((in = BIO_new_file(p, "r")) == NULL) {
perror(p);
goto end;
}
if ((dsa_params =
PEM_read_bio_DSAparams(in, NULL, NULL, NULL)) == NULL) {
ERR_clear_error();
(void)BIO_reset(in);
if ((xtmp =
PEM_read_bio_X509(in, NULL, NULL, NULL)) == NULL) {
BIO_printf(bio_err,
"unable to load DSA parameters from file\n");
goto end;
}
if ((dtmp = X509_get_pubkey(xtmp)) == NULL)
goto end;
if (dtmp->type == EVP_PKEY_DSA)
dsa_params = DSAparams_dup(dtmp->pkey.dsa);
EVP_PKEY_free(dtmp);
X509_free(xtmp);
if (dsa_params == NULL) {
BIO_printf(bio_err,
"Certificate does not contain DSA parameters\n");
goto end;
}
}
BIO_free(in);
in = NULL;
newkey = BN_num_bits(dsa_params->p);
} else
#endif
#ifndef OPENSSL_NO_ECDSA
if (strncmp("ec:", p, 3) == 0) {
X509 *xtmp = NULL;
EVP_PKEY *dtmp;
EC_GROUP *group;
pkey_type = TYPE_EC;
p += 3;
if ((in = BIO_new_file(p, "r")) == NULL) {
perror(p);
goto end;
}
if ((ec_params = EC_KEY_new()) == NULL)
goto end;
group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL);
if (group == NULL) {
EC_KEY_free(ec_params);
ERR_clear_error();
(void)BIO_reset(in);
if ((xtmp =
PEM_read_bio_X509(in, NULL, NULL, NULL)) == NULL) {
BIO_printf(bio_err,
"unable to load EC parameters from file\n");
goto end;
}
if ((dtmp = X509_get_pubkey(xtmp)) == NULL)
goto end;
if (dtmp->type == EVP_PKEY_EC)
ec_params = EC_KEY_dup(dtmp->pkey.ec);
EVP_PKEY_free(dtmp);
X509_free(xtmp);
if (ec_params == NULL) {
BIO_printf(bio_err,
"Certificate does not contain EC parameters\n");
goto end;
}
} else {
if (EC_KEY_set_group(ec_params, group) == 0)
goto end;
EC_GROUP_free(group);
}
BIO_free(in);
in = NULL;
newkey = EC_GROUP_get_degree(EC_KEY_get0_group(ec_params));
} else
#endif
#ifndef OPENSSL_NO_DH
if (strncmp("dh:", p, 4) == 0) {
pkey_type = TYPE_DH;
p += 3;
} else
#endif
{
goto bad;
}
newreq = 1;
} else if (strcmp(*argv, "-batch") == 0)
batch = 1;
else if (strcmp(*argv, "-newhdr") == 0)
newhdr = 1;
else if (strcmp(*argv, "-modulus") == 0)
modulus = 1;
else if (strcmp(*argv, "-verify") == 0)
verify = 1;
else if (strcmp(*argv, "-nodes") == 0)
nodes = 1;
else if (strcmp(*argv, "-noout") == 0)
noout = 1;
else if (strcmp(*argv, "-verbose") == 0)
verbose = 1;
else if (strcmp(*argv, "-utf8") == 0)
chtype = MBSTRING_UTF8;
else if (strcmp(*argv, "-nameopt") == 0) {
if (--argc < 1)
goto bad;
if (!set_name_ex(&nmflag, *(++argv)))
goto bad;
} else if (strcmp(*argv, "-reqopt") == 0) {
if (--argc < 1)
goto bad;
if (!set_cert_ex(&reqflag, *(++argv)))
goto bad;
} else if (strcmp(*argv, "-subject") == 0)
subject = 1;
else if (strcmp(*argv, "-text") == 0)
text = 1;
else if (strcmp(*argv, "-x509") == 0)
x509 = 1;
else if (strcmp(*argv, "-asn1-kludge") == 0)
kludge = 1;
else if (strcmp(*argv, "-no-asn1-kludge") == 0)
kludge = 0;
else if (strcmp(*argv, "-subj") == 0) {
if (--argc < 1)
goto bad;
subj = *(++argv);
} else if (strcmp(*argv, "-multivalue-rdn") == 0)
multirdn = 1;
else if (strcmp(*argv, "-days") == 0) {
if (--argc < 1)
goto bad;
days = atoi(*(++argv));
if (days == 0)
days = 30;
} else if (strcmp(*argv, "-set_serial") == 0) {
if (--argc < 1)
goto bad;
serial = s2i_ASN1_INTEGER(NULL, *(++argv));
if (!serial)
goto bad;
} else if ((md_alg = EVP_get_digestbyname(&((*argv)[1]))) != NULL) {
/* ok */
digest = md_alg;
} else if (strcmp(*argv, "-extensions") == 0) {
if (--argc < 1)
goto bad;
extensions = *(++argv);
} else if (strcmp(*argv, "-reqexts") == 0) {
if (--argc < 1)
goto bad;
req_exts = *(++argv);
} else {
BIO_printf(bio_err, "unknown option %s\n", *argv);
badops = 1;
break;
}
argc--;
argv++;
}
if (badops) {
bad:
BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
BIO_printf(bio_err, "where options are\n");
BIO_printf(bio_err, " -inform arg input format - DER or PEM\n");
BIO_printf(bio_err, " -outform arg output format - DER or PEM\n");
BIO_printf(bio_err, " -in arg input file\n");
BIO_printf(bio_err, " -out arg output file\n");
BIO_printf(bio_err, " -text text form of request\n");
BIO_printf(bio_err, " -pubkey output public key\n");
BIO_printf(bio_err, " -noout do not output REQ\n");
BIO_printf(bio_err, " -verify verify signature on REQ\n");
BIO_printf(bio_err, " -modulus RSA modulus\n");
BIO_printf(bio_err, " -nodes don't encrypt the output key\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err,
" -engine e use engine e, possibly a hardware device\n");
#endif
BIO_printf(bio_err, " -subject output the request's subject\n");
BIO_printf(bio_err, " -passin private key password source\n");
BIO_printf(bio_err,
" -key file use the private key contained in file\n");
BIO_printf(bio_err, " -keyform arg key file format\n");
BIO_printf(bio_err, " -keyout arg file to send the key to\n");
BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
LIST_SEPARATOR_CHAR);
BIO_printf(bio_err,
" load the file (or the files in the directory) into\n");
BIO_printf(bio_err, " the random number generator\n");
BIO_printf(bio_err,
" -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
BIO_printf(bio_err,
" -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
#ifndef OPENSSL_NO_ECDSA
BIO_printf(bio_err,
" -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
#endif
BIO_printf(bio_err,
" -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
BIO_printf(bio_err, " -config file request template file.\n");
BIO_printf(bio_err,
" -subj arg set or modify request subject\n");
BIO_printf(bio_err,
" -multivalue-rdn enable support for multivalued RDNs\n");
BIO_printf(bio_err, " -new new request.\n");
BIO_printf(bio_err,
" -batch do not ask anything during request generation\n");
BIO_printf(bio_err,
" -x509 output a x509 structure instead of a cert. req.\n");
BIO_printf(bio_err,
" -days number of days a certificate generated by -x509 is valid for.\n");
BIO_printf(bio_err,
" -set_serial serial number to use for a certificate generated by -x509.\n");
BIO_printf(bio_err,
" -newhdr output \"NEW\" in the header lines\n");
BIO_printf(bio_err,
" -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n");
BIO_printf(bio_err,
" have been reported as requiring\n");
BIO_printf(bio_err,
" -extensions .. specify certificate extension section (override value in config file)\n");
BIO_printf(bio_err,
" -reqexts .. specify request extension section (override value in config file)\n");
BIO_printf(bio_err,
" -utf8 input characters are UTF8 (default ASCII)\n");
BIO_printf(bio_err,
" -nameopt arg - various certificate name options\n");
BIO_printf(bio_err,
" -reqopt arg - various request text options\n\n");
goto end;
}
ERR_load_crypto_strings();
if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
BIO_printf(bio_err, "Error getting passwords\n");
goto end;
}
#ifndef MONOLITH /* else this has happened in openssl.c
* (global `config') */
/* Lets load up our environment a little */
p = getenv("OPENSSL_CONF");
if (p == NULL)
p = getenv("SSLEAY_CONF");
if (p == NULL)
p = to_free = make_config_name();
default_config_file = p;
config = NCONF_new(NULL);
i = NCONF_load(config, p, &errline);
#endif
if (template != NULL) {
long errline = -1;
if (verbose)
BIO_printf(bio_err, "Using configuration from %s\n", template);
req_conf = NCONF_new(NULL);
i = NCONF_load(req_conf, template, &errline);
if (i == 0) {
BIO_printf(bio_err, "error on line %ld of %s\n", errline,
template);
goto end;
}
} else {
req_conf = config;
if (req_conf == NULL) {
BIO_printf(bio_err, "Unable to load config info from %s\n",
default_config_file);
if (newreq)
goto end;
} else if (verbose)
BIO_printf(bio_err, "Using configuration from %s\n",
default_config_file);
}
if (req_conf != NULL) {
if (!load_config(bio_err, req_conf))
goto end;
p = NCONF_get_string(req_conf, NULL, "oid_file");
if (p == NULL)
ERR_clear_error();
if (p != NULL) {
BIO *oid_bio;
oid_bio = BIO_new_file(p, "r");
if (oid_bio == NULL) {
/*-
BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
ERR_print_errors(bio_err);
*/
} else {
OBJ_create_objects(oid_bio);
BIO_free(oid_bio);
}
}
}
if (!add_oid_section(bio_err, req_conf))
goto end;
if (md_alg == NULL) {
p = NCONF_get_string(req_conf, SECTION, "default_md");
if (p == NULL)
ERR_clear_error();
if (p != NULL) {
if ((md_alg = EVP_get_digestbyname(p)) != NULL)
digest = md_alg;
}
}
if (!extensions) {
extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
if (!extensions)
ERR_clear_error();
}
if (extensions) {
/* Check syntax of file */
X509V3_CTX ctx;
X509V3_set_ctx_test(&ctx);
X509V3_set_nconf(&ctx, req_conf);
if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
BIO_printf(bio_err,
"Error Loading extension section %s\n", extensions);
goto end;
}
}
if (!passin) {
passin = NCONF_get_string(req_conf, SECTION, "input_password");
if (!passin)
ERR_clear_error();
}
if (!passout) {
passout = NCONF_get_string(req_conf, SECTION, "output_password");
if (!passout)
ERR_clear_error();
}
p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
if (!p)
ERR_clear_error();
if (p && !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 = NCONF_get_string(req_conf, SECTION, UTF8_IN);
if (!p)
ERR_clear_error();
else if (!strcmp(p, "yes"))
chtype = MBSTRING_UTF8;
}
if (!req_exts) {
req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
if (!req_exts)
ERR_clear_error();
}
if (req_exts) {
/* Check syntax of file */
X509V3_CTX ctx;
X509V3_set_ctx_test(&ctx);
X509V3_set_nconf(&ctx, req_conf);
if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
BIO_printf(bio_err,
"Error Loading request extension section %s\n",
req_exts);
goto end;
}
}
in = BIO_new(BIO_s_file());
out = BIO_new(BIO_s_file());
if ((in == NULL) || (out == NULL))
goto end;
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine, 0);
#endif
if (keyfile != NULL) {
pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
"Private Key");
if (!pkey) {
/*
* load_key() has already printed an appropriate message
*/
goto end;
} else {
char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE");
if (randfile == NULL)
ERR_clear_error();
app_RAND_load_file(randfile, bio_err, 0);
}
}
if (newreq && (pkey == NULL)) {
#ifndef OPENSSL_NO_RSA
BN_GENCB cb;
#endif
char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE");
if (randfile == NULL)
ERR_clear_error();
app_RAND_load_file(randfile, bio_err, 0);
if (inrand)
app_RAND_load_files(inrand);
if (newkey <= 0) {
if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey))
newkey = DEFAULT_KEY_LENGTH;
}
if (newkey < MIN_KEY_LENGTH
&& (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA)) {
BIO_printf(bio_err, "private key length is too short,\n");
BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n",
MIN_KEY_LENGTH, newkey);
goto end;
}
BIO_printf(bio_err, "Generating a %ld bit %s private key\n",
newkey, (pkey_type == TYPE_RSA) ? "RSA" :
(pkey_type == TYPE_DSA) ? "DSA" : "EC");
if ((pkey = EVP_PKEY_new()) == NULL)
goto end;
#ifndef OPENSSL_NO_RSA
BN_GENCB_set(&cb, req_cb, bio_err);
if (pkey_type == TYPE_RSA) {
RSA *rsa = RSA_new();
BIGNUM *bn = BN_new();
if (!bn || !rsa || !BN_set_word(bn, 0x10001) ||
!RSA_generate_key_ex(rsa, newkey, bn, &cb) ||
!EVP_PKEY_assign_RSA(pkey, rsa)) {
if (bn)
BN_free(bn);
if (rsa)
RSA_free(rsa);
goto end;
}
BN_free(bn);
} else
#endif
#ifndef OPENSSL_NO_DSA
if (pkey_type == TYPE_DSA) {
if (!DSA_generate_key(dsa_params))
goto end;
if (!EVP_PKEY_assign_DSA(pkey, dsa_params))
goto end;
dsa_params = NULL;
}
#endif
#ifndef OPENSSL_NO_ECDSA
if (pkey_type == TYPE_EC) {
if (!EC_KEY_generate_key(ec_params))
goto end;
if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
goto end;
ec_params = NULL;
}
#endif
app_RAND_write_file(randfile, bio_err);
if (pkey == NULL)
goto end;
if (keyout == NULL) {
keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
if (keyout == NULL)
ERR_clear_error();
}
if (keyout == NULL) {
BIO_printf(bio_err, "writing new private key to stdout\n");
BIO_set_fp(out, stdout, BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
#endif
} else {
BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
if (BIO_write_filename(out, keyout) <= 0) {
perror(keyout);
goto end;
}
}
p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
if (p == NULL) {
ERR_clear_error();
p = NCONF_get_string(req_conf, SECTION, "encrypt_key");
if (p == NULL)
ERR_clear_error();
}
if ((p != NULL) && (strcmp(p, "no") == 0))
cipher = NULL;
if (nodes)
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_printf(bio_err, "-----\n");
}
if (!newreq) {
/*
* Since we are using a pre-existing certificate request, the kludge
* 'format' info should not be changed.
*/
kludge = -1;
if (infile == NULL)
BIO_set_fp(in, stdin, BIO_NOCLOSE);
else {
if (BIO_read_filename(in, infile) <= 0) {
perror(infile);
goto end;
}
}
if (informat == FORMAT_ASN1)
req = d2i_X509_REQ_bio(in, NULL);
else if (informat == FORMAT_PEM)
req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
else {
BIO_printf(bio_err,
"bad input format specified for X509 request\n");
goto end;
}
if (req == NULL) {
BIO_printf(bio_err, "unable to load X509 request\n");
goto end;
}
}
if (newreq || x509) {
if (pkey == NULL) {
BIO_printf(bio_err, "you need to specify a private key\n");
goto end;
}
#ifndef OPENSSL_NO_DSA
if (pkey->type == EVP_PKEY_DSA)
digest = EVP_dss1();
#endif
#ifndef OPENSSL_NO_ECDSA
if (pkey->type == EVP_PKEY_EC)
digest = EVP_ecdsa();
#endif
if (req == NULL) {
req = X509_REQ_new();
if (req == NULL) {
goto end;
}
i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
subj = NULL; /* done processing '-subj' option */
if ((kludge > 0)
&& !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) {
sk_X509_ATTRIBUTE_free(req->req_info->attributes);
req->req_info->attributes = NULL;
}
if (!i) {
BIO_printf(bio_err, "problems making Certificate Request\n");
goto end;
}
}
if (x509) {
EVP_PKEY *tmppkey;
X509V3_CTX ext_ctx;
if ((x509ss = X509_new()) == NULL)
goto end;
/* Set version to V3 */
if (extensions && !X509_set_version(x509ss, 2))
goto end;
if (serial) {
if (!X509_set_serialNumber(x509ss, serial))
goto end;
} else {
if (!rand_serial(NULL, X509_get_serialNumber(x509ss)))
goto end;
}
if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
goto end;
if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0))
goto end;
if (!X509_gmtime_adj
(X509_get_notAfter(x509ss), (long)60 * 60 * 24 * days))
goto end;
if (!X509_set_subject_name
(x509ss, X509_REQ_get_subject_name(req)))
goto end;
tmppkey = X509_REQ_get_pubkey(req);
if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
goto end;
EVP_PKEY_free(tmppkey);
/* Set up V3 context struct */
X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
X509V3_set_nconf(&ext_ctx, req_conf);
/* Add extensions */
if (extensions && !X509V3_EXT_add_nconf(req_conf,
&ext_ctx, extensions,
x509ss)) {
BIO_printf(bio_err, "Error Loading extension section %s\n",
extensions);
goto end;
}
if (!(i = X509_sign(x509ss, pkey, digest)))
goto end;
} else {
X509V3_CTX ext_ctx;
/* Set up V3 context struct */
X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
X509V3_set_nconf(&ext_ctx, req_conf);
/* Add extensions */
if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
&ext_ctx, req_exts,
req)) {
BIO_printf(bio_err, "Error Loading extension section %s\n",
req_exts);
goto end;
}
if (!(i = X509_REQ_sign(req, pkey, digest)))
goto end;
}
}
if (subj && x509) {
BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
goto end;
}
if (subj && !x509) {
if (verbose) {
BIO_printf(bio_err, "Modifying Request's Subject\n");
print_name(bio_err, "old subject=",
X509_REQ_get_subject_name(req), nmflag);
}
if (build_subject(req, subj, chtype, multirdn) == 0) {
BIO_printf(bio_err, "ERROR: cannot modify subject\n");
ex = 1;
goto end;
}
req->req_info->enc.modified = 1;
if (verbose) {
print_name(bio_err, "new subject=",
X509_REQ_get_subject_name(req), nmflag);
}
}
if (verify && !x509) {
int tmp = 0;
if (pkey == NULL) {
pkey = X509_REQ_get_pubkey(req);
tmp = 1;
if (pkey == NULL)
goto end;
}
i = X509_REQ_verify(req, pkey);
if (tmp) {
EVP_PKEY_free(pkey);
pkey = NULL;
}
if (i < 0) {