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Fix no-engine
[thirdparty/openssl.git] / apps / req.c
1 /*
2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include <stdio.h>
11 #include <stdlib.h>
12 #include <time.h>
13 #include <string.h>
14 #include <ctype.h>
15 #include "apps.h"
16 #include "progs.h"
17 #include <openssl/bio.h>
18 #include <openssl/evp.h>
19 #include <openssl/conf.h>
20 #include <openssl/err.h>
21 #include <openssl/asn1.h>
22 #include <openssl/x509.h>
23 #include <openssl/x509v3.h>
24 #include <openssl/objects.h>
25 #include <openssl/pem.h>
26 #include <openssl/bn.h>
27 #include <openssl/lhash.h>
28 #ifndef OPENSSL_NO_RSA
29 # include <openssl/rsa.h>
30 #endif
31 #ifndef OPENSSL_NO_DSA
32 # include <openssl/dsa.h>
33 #endif
34
35 #define SECTION "req"
36
37 #define BITS "default_bits"
38 #define KEYFILE "default_keyfile"
39 #define PROMPT "prompt"
40 #define DISTINGUISHED_NAME "distinguished_name"
41 #define ATTRIBUTES "attributes"
42 #define V3_EXTENSIONS "x509_extensions"
43 #define REQ_EXTENSIONS "req_extensions"
44 #define STRING_MASK "string_mask"
45 #define UTF8_IN "utf8"
46
47 #define DEFAULT_KEY_LENGTH 2048
48 #define MIN_KEY_LENGTH 512
49
50 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *dn, int mutlirdn,
51 int attribs, unsigned long chtype);
52 static int build_subject(X509_REQ *req, const char *subj, unsigned long chtype,
53 int multirdn);
54 static int prompt_info(X509_REQ *req,
55 STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
56 STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
57 int attribs, unsigned long chtype);
58 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
59 STACK_OF(CONF_VALUE) *attr, int attribs,
60 unsigned long chtype);
61 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
62 char *value, int nid, int n_min, int n_max,
63 unsigned long chtype);
64 static int add_DN_object(X509_NAME *n, char *text, const char *def,
65 char *value, int nid, int n_min, int n_max,
66 unsigned long chtype, int mval);
67 static int genpkey_cb(EVP_PKEY_CTX *ctx);
68 static int build_data(char *text, const char *def,
69 char *value, int n_min, int n_max,
70 char *buf, const int buf_size,
71 const char *desc1, const char *desc2
72 );
73 static int req_check_len(int len, int n_min, int n_max);
74 static int check_end(const char *str, const char *end);
75 static int join(char buf[], size_t buf_size, const char *name,
76 const char *tail, const char *desc);
77 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
78 int *pkey_type, long *pkeylen,
79 char **palgnam, ENGINE *keygen_engine);
80 static CONF *req_conf = NULL;
81 static CONF *addext_conf = NULL;
82 static int batch = 0;
83
84 typedef enum OPTION_choice {
85 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
86 OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_KEYGEN_ENGINE, OPT_KEY,
87 OPT_PUBKEY, OPT_NEW, OPT_CONFIG, OPT_KEYFORM, OPT_IN, OPT_OUT,
88 OPT_KEYOUT, OPT_PASSIN, OPT_PASSOUT, OPT_NEWKEY,
89 OPT_PKEYOPT, OPT_SIGOPT, OPT_BATCH, OPT_NEWHDR, OPT_MODULUS,
90 OPT_VERIFY, OPT_NODES, OPT_NOOUT, OPT_VERBOSE, OPT_UTF8,
91 OPT_NAMEOPT, OPT_REQOPT, OPT_SUBJ, OPT_SUBJECT, OPT_TEXT, OPT_X509,
92 OPT_MULTIVALUE_RDN, OPT_DAYS, OPT_SET_SERIAL, OPT_ADDEXT, OPT_EXTENSIONS,
93 OPT_REQEXTS, OPT_PRECERT, OPT_MD, OPT_SM2ID, OPT_SM2HEXID,
94 OPT_R_ENUM
95 } OPTION_CHOICE;
96
97 const OPTIONS req_options[] = {
98 OPT_SECTION("General"),
99 {"help", OPT_HELP, '-', "Display this summary"},
100 #ifndef OPENSSL_NO_ENGINE
101 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
102 {"keygen_engine", OPT_KEYGEN_ENGINE, 's',
103 "Specify engine to be used for key generation operations"},
104 #endif
105 {"in", OPT_IN, '<', "Input file"},
106 {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"},
107 {"verify", OPT_VERIFY, '-', "Verify signature on REQ"},
108
109 OPT_SECTION("Certificate"),
110 {"new", OPT_NEW, '-', "New request"},
111 {"config", OPT_CONFIG, '<', "Request template file"},
112 {"utf8", OPT_UTF8, '-', "Input characters are UTF8 (default ASCII)"},
113 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
114 {"reqopt", OPT_REQOPT, 's', "Various request text options"},
115 {"text", OPT_TEXT, '-', "Text form of request"},
116 {"x509", OPT_X509, '-',
117 "Output an x509 structure instead of a cert request"},
118 {OPT_MORE_STR, 1, 1, "(Required by some CA's)"},
119 {"subj", OPT_SUBJ, 's', "Set or modify request subject"},
120 {"subject", OPT_SUBJECT, '-', "Output the request's subject"},
121 {"multivalue-rdn", OPT_MULTIVALUE_RDN, '-',
122 "Enable support for multivalued RDNs"},
123 {"days", OPT_DAYS, 'p', "Number of days cert is valid for"},
124 {"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"},
125 {"addext", OPT_ADDEXT, 's',
126 "Additional cert extension key=value pair (may be given more than once)"},
127 {"extensions", OPT_EXTENSIONS, 's',
128 "Cert extension section (override value in config file)"},
129 {"reqexts", OPT_REQEXTS, 's',
130 "Request extension section (override value in config file)"},
131 {"precert", OPT_PRECERT, '-', "Add a poison extension (implies -new)"},
132
133 OPT_SECTION("Keys and Signing"),
134 {"key", OPT_KEY, 's', "Private key to use"},
135 {"keyform", OPT_KEYFORM, 'f', "Key file format"},
136 {"pubkey", OPT_PUBKEY, '-', "Output public key"},
137 {"keyout", OPT_KEYOUT, '>', "File to send the key to"},
138 {"passin", OPT_PASSIN, 's', "Private key password source"},
139 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
140 {"newkey", OPT_NEWKEY, 's', "Specify as type:bits"},
141 {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"},
142 {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
143 {"", OPT_MD, '-', "Any supported digest"},
144 #ifndef OPENSSL_NO_SM2
145 {"sm2-id", OPT_SM2ID, 's',
146 "Specify an ID string to verify an SM2 certificate request"},
147 {"sm2-hex-id", OPT_SM2HEXID, 's',
148 "Specify a hex ID string to verify an SM2 certificate request"},
149 #endif
150
151 OPT_SECTION("Output"),
152 {"out", OPT_OUT, '>', "Output file"},
153 {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
154 {"batch", OPT_BATCH, '-',
155 "Do not ask anything during request generation"},
156 {"verbose", OPT_VERBOSE, '-', "Verbose output"},
157 {"nodes", OPT_NODES, '-', "Don't encrypt the output key"},
158 {"noout", OPT_NOOUT, '-', "Do not output REQ"},
159 {"newhdr", OPT_NEWHDR, '-', "Output \"NEW\" in the header lines"},
160 {"modulus", OPT_MODULUS, '-', "RSA modulus"},
161
162 OPT_R_OPTIONS,
163 {NULL}
164 };
165
166
167 /*
168 * An LHASH of strings, where each string is an extension name.
169 */
170 static unsigned long ext_name_hash(const OPENSSL_STRING *a)
171 {
172 return OPENSSL_LH_strhash((const char *)a);
173 }
174
175 static int ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b)
176 {
177 return strcmp((const char *)a, (const char *)b);
178 }
179
180 static void exts_cleanup(OPENSSL_STRING *x)
181 {
182 OPENSSL_free((char *)x);
183 }
184
185 /*
186 * Is the |kv| key already duplicated? This is remarkably tricky to get
187 * right. Return 0 if unique, -1 on runtime error; 1 if found or a syntax
188 * error.
189 */
190 static int duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv)
191 {
192 char *p;
193 size_t off;
194
195 /* Check syntax. */
196 /* Skip leading whitespace, make a copy. */
197 while (*kv && isspace(*kv))
198 if (*++kv == '\0')
199 return 1;
200 if ((p = strchr(kv, '=')) == NULL)
201 return 1;
202 off = p - kv;
203 if ((kv = OPENSSL_strdup(kv)) == NULL)
204 return -1;
205
206 /* Skip trailing space before the equal sign. */
207 for (p = kv + off; p > kv; --p)
208 if (!isspace(p[-1]))
209 break;
210 if (p == kv) {
211 OPENSSL_free(kv);
212 return 1;
213 }
214 *p = '\0';
215
216 /* Finally have a clean "key"; see if it's there [by attempt to add it]. */
217 if ((p = (char *)lh_OPENSSL_STRING_insert(addexts, (OPENSSL_STRING*)kv))
218 != NULL || lh_OPENSSL_STRING_error(addexts)) {
219 OPENSSL_free(p != NULL ? p : kv);
220 return -1;
221 }
222
223 return 0;
224 }
225
226 int req_main(int argc, char **argv)
227 {
228 ASN1_INTEGER *serial = NULL;
229 BIO *in = NULL, *out = NULL;
230 ENGINE *e = NULL, *gen_eng = NULL;
231 EVP_PKEY *pkey = NULL;
232 EVP_PKEY_CTX *genctx = NULL;
233 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL;
234 LHASH_OF(OPENSSL_STRING) *addexts = NULL;
235 X509 *x509ss = NULL;
236 X509_REQ *req = NULL;
237 const EVP_CIPHER *cipher = NULL;
238 const EVP_MD *md_alg = NULL, *digest = NULL;
239 BIO *addext_bio = NULL;
240 char *extensions = NULL, *infile = NULL;
241 char *outfile = NULL, *keyfile = NULL;
242 char *keyalgstr = NULL, *p, *prog, *passargin = NULL, *passargout = NULL;
243 char *passin = NULL, *passout = NULL;
244 char *nofree_passin = NULL, *nofree_passout = NULL;
245 char *req_exts = NULL, *subj = NULL;
246 char *template = default_config_file, *keyout = NULL;
247 const char *keyalg = NULL;
248 OPTION_CHOICE o;
249 int ret = 1, x509 = 0, days = 0, i = 0, newreq = 0, verbose = 0;
250 int pkey_type = -1, private = 0;
251 int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyform = FORMAT_PEM;
252 int modulus = 0, multirdn = 0, verify = 0, noout = 0, text = 0;
253 int nodes = 0, newhdr = 0, subject = 0, pubkey = 0, precert = 0;
254 long newkey = -1;
255 unsigned long chtype = MBSTRING_ASC, reqflag = 0;
256 unsigned char *sm2_id = NULL;
257 size_t sm2_idlen = 0;
258 int sm2_free = 0;
259
260 #ifndef OPENSSL_NO_DES
261 cipher = EVP_des_ede3_cbc();
262 #endif
263
264 prog = opt_init(argc, argv, req_options);
265 while ((o = opt_next()) != OPT_EOF) {
266 switch (o) {
267 case OPT_EOF:
268 case OPT_ERR:
269 opthelp:
270 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
271 goto end;
272 case OPT_HELP:
273 opt_help(req_options);
274 ret = 0;
275 goto end;
276 case OPT_INFORM:
277 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
278 goto opthelp;
279 break;
280 case OPT_OUTFORM:
281 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
282 goto opthelp;
283 break;
284 case OPT_ENGINE:
285 e = setup_engine(opt_arg(), 0);
286 break;
287 case OPT_KEYGEN_ENGINE:
288 #ifndef OPENSSL_NO_ENGINE
289 gen_eng = ENGINE_by_id(opt_arg());
290 if (gen_eng == NULL) {
291 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
292 goto opthelp;
293 }
294 #endif
295 break;
296 case OPT_KEY:
297 keyfile = opt_arg();
298 break;
299 case OPT_PUBKEY:
300 pubkey = 1;
301 break;
302 case OPT_NEW:
303 newreq = 1;
304 break;
305 case OPT_CONFIG:
306 template = opt_arg();
307 break;
308 case OPT_KEYFORM:
309 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
310 goto opthelp;
311 break;
312 case OPT_IN:
313 infile = opt_arg();
314 break;
315 case OPT_OUT:
316 outfile = opt_arg();
317 break;
318 case OPT_KEYOUT:
319 keyout = opt_arg();
320 break;
321 case OPT_PASSIN:
322 passargin = opt_arg();
323 break;
324 case OPT_PASSOUT:
325 passargout = opt_arg();
326 break;
327 case OPT_R_CASES:
328 if (!opt_rand(o))
329 goto end;
330 break;
331 case OPT_NEWKEY:
332 keyalg = opt_arg();
333 newreq = 1;
334 break;
335 case OPT_PKEYOPT:
336 if (pkeyopts == NULL)
337 pkeyopts = sk_OPENSSL_STRING_new_null();
338 if (pkeyopts == NULL
339 || !sk_OPENSSL_STRING_push(pkeyopts, opt_arg()))
340 goto opthelp;
341 break;
342 case OPT_SIGOPT:
343 if (!sigopts)
344 sigopts = sk_OPENSSL_STRING_new_null();
345 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
346 goto opthelp;
347 break;
348 case OPT_BATCH:
349 batch = 1;
350 break;
351 case OPT_NEWHDR:
352 newhdr = 1;
353 break;
354 case OPT_MODULUS:
355 modulus = 1;
356 break;
357 case OPT_VERIFY:
358 verify = 1;
359 break;
360 case OPT_NODES:
361 nodes = 1;
362 break;
363 case OPT_NOOUT:
364 noout = 1;
365 break;
366 case OPT_VERBOSE:
367 verbose = 1;
368 break;
369 case OPT_UTF8:
370 chtype = MBSTRING_UTF8;
371 break;
372 case OPT_NAMEOPT:
373 if (!set_nameopt(opt_arg()))
374 goto opthelp;
375 break;
376 case OPT_REQOPT:
377 if (!set_cert_ex(&reqflag, opt_arg()))
378 goto opthelp;
379 break;
380 case OPT_TEXT:
381 text = 1;
382 break;
383 case OPT_X509:
384 x509 = 1;
385 break;
386 case OPT_DAYS:
387 days = atoi(opt_arg());
388 break;
389 case OPT_SET_SERIAL:
390 if (serial != NULL) {
391 BIO_printf(bio_err, "Serial number supplied twice\n");
392 goto opthelp;
393 }
394 serial = s2i_ASN1_INTEGER(NULL, opt_arg());
395 if (serial == NULL)
396 goto opthelp;
397 break;
398 case OPT_SUBJECT:
399 subject = 1;
400 break;
401 case OPT_SUBJ:
402 subj = opt_arg();
403 break;
404 case OPT_MULTIVALUE_RDN:
405 multirdn = 1;
406 break;
407 case OPT_ADDEXT:
408 p = opt_arg();
409 if (addexts == NULL) {
410 addexts = lh_OPENSSL_STRING_new(ext_name_hash, ext_name_cmp);
411 addext_bio = BIO_new(BIO_s_mem());
412 if (addexts == NULL || addext_bio == NULL)
413 goto end;
414 }
415 i = duplicated(addexts, p);
416 if (i == 1)
417 goto opthelp;
418 if (i < 0 || BIO_printf(addext_bio, "%s\n", opt_arg()) < 0)
419 goto end;
420 break;
421 case OPT_EXTENSIONS:
422 extensions = opt_arg();
423 break;
424 case OPT_REQEXTS:
425 req_exts = opt_arg();
426 break;
427 case OPT_PRECERT:
428 newreq = precert = 1;
429 break;
430 case OPT_MD:
431 if (!opt_md(opt_unknown(), &md_alg))
432 goto opthelp;
433 digest = md_alg;
434 break;
435 case OPT_SM2ID:
436 if (sm2_id != NULL) {
437 BIO_printf(bio_err,
438 "Use one of the options 'sm2-hex-id' or 'sm2-id'\n");
439 goto end;
440 }
441 sm2_id = (unsigned char *)opt_arg();
442 sm2_idlen = strlen((const char *)sm2_id);
443 break;
444 case OPT_SM2HEXID:
445 if (sm2_id != NULL) {
446 BIO_printf(bio_err,
447 "Use one of the options 'sm2-hex-id' or 'sm2-id'\n");
448 goto end;
449 }
450 /* try to parse the input as hex string first */
451 sm2_free = 1;
452 sm2_id = OPENSSL_hexstr2buf(opt_arg(), (long *)&sm2_idlen);
453 if (sm2_id == NULL) {
454 BIO_printf(bio_err, "Invalid hex string input\n");
455 goto end;
456 }
457 break;
458 }
459 }
460 argc = opt_num_rest();
461 if (argc != 0)
462 goto opthelp;
463
464 if (days && !x509)
465 BIO_printf(bio_err, "Ignoring -days; not generating a certificate\n");
466 if (x509 && infile == NULL)
467 newreq = 1;
468
469 /* TODO: simplify this as pkey is still always NULL here */
470 private = newreq && (pkey == NULL) ? 1 : 0;
471
472 if (!app_passwd(passargin, passargout, &passin, &passout)) {
473 BIO_printf(bio_err, "Error getting passwords\n");
474 goto end;
475 }
476
477 if (verbose)
478 BIO_printf(bio_err, "Using configuration from %s\n", template);
479 req_conf = app_load_config(template);
480 if (addext_bio) {
481 if (verbose)
482 BIO_printf(bio_err,
483 "Using additional configuration from command line\n");
484 addext_conf = app_load_config_bio(addext_bio, NULL);
485 }
486 if (template != default_config_file && !app_load_modules(req_conf))
487 goto end;
488
489 if (req_conf != NULL) {
490 p = NCONF_get_string(req_conf, NULL, "oid_file");
491 if (p == NULL)
492 ERR_clear_error();
493 if (p != NULL) {
494 BIO *oid_bio;
495
496 oid_bio = BIO_new_file(p, "r");
497 if (oid_bio == NULL) {
498 /*-
499 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
500 ERR_print_errors(bio_err);
501 */
502 } else {
503 OBJ_create_objects(oid_bio);
504 BIO_free(oid_bio);
505 }
506 }
507 }
508 if (!add_oid_section(req_conf))
509 goto end;
510
511 if (md_alg == NULL) {
512 p = NCONF_get_string(req_conf, SECTION, "default_md");
513 if (p == NULL) {
514 ERR_clear_error();
515 } else {
516 if (!opt_md(p, &md_alg))
517 goto opthelp;
518 digest = md_alg;
519 }
520 }
521
522 if (extensions == NULL) {
523 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
524 if (extensions == NULL)
525 ERR_clear_error();
526 }
527 if (extensions != NULL) {
528 /* Check syntax of file */
529 X509V3_CTX ctx;
530 X509V3_set_ctx_test(&ctx);
531 X509V3_set_nconf(&ctx, req_conf);
532 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
533 BIO_printf(bio_err,
534 "Error Loading extension section %s\n", extensions);
535 goto end;
536 }
537 }
538 if (addext_conf != NULL) {
539 /* Check syntax of command line extensions */
540 X509V3_CTX ctx;
541 X509V3_set_ctx_test(&ctx);
542 X509V3_set_nconf(&ctx, addext_conf);
543 if (!X509V3_EXT_add_nconf(addext_conf, &ctx, "default", NULL)) {
544 BIO_printf(bio_err, "Error Loading command line extensions\n");
545 goto end;
546 }
547 }
548
549 if (passin == NULL) {
550 passin = nofree_passin =
551 NCONF_get_string(req_conf, SECTION, "input_password");
552 if (passin == NULL)
553 ERR_clear_error();
554 }
555
556 if (passout == NULL) {
557 passout = nofree_passout =
558 NCONF_get_string(req_conf, SECTION, "output_password");
559 if (passout == NULL)
560 ERR_clear_error();
561 }
562
563 p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
564 if (p == NULL)
565 ERR_clear_error();
566
567 if (p != NULL && !ASN1_STRING_set_default_mask_asc(p)) {
568 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
569 goto end;
570 }
571
572 if (chtype != MBSTRING_UTF8) {
573 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
574 if (p == NULL)
575 ERR_clear_error();
576 else if (strcmp(p, "yes") == 0)
577 chtype = MBSTRING_UTF8;
578 }
579
580 if (req_exts == NULL) {
581 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
582 if (req_exts == NULL)
583 ERR_clear_error();
584 }
585 if (req_exts != NULL) {
586 /* Check syntax of file */
587 X509V3_CTX ctx;
588 X509V3_set_ctx_test(&ctx);
589 X509V3_set_nconf(&ctx, req_conf);
590 if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
591 BIO_printf(bio_err,
592 "Error Loading request extension section %s\n",
593 req_exts);
594 goto end;
595 }
596 }
597
598 if (keyfile != NULL) {
599 pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key");
600 if (pkey == NULL) {
601 /* load_key() has already printed an appropriate message */
602 goto end;
603 } else {
604 app_RAND_load_conf(req_conf, SECTION);
605 }
606 }
607
608 if (newreq && (pkey == NULL)) {
609 app_RAND_load_conf(req_conf, SECTION);
610
611 if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) {
612 newkey = DEFAULT_KEY_LENGTH;
613 }
614
615 if (keyalg != NULL) {
616 genctx = set_keygen_ctx(keyalg, &pkey_type, &newkey,
617 &keyalgstr, gen_eng);
618 if (genctx == NULL)
619 goto end;
620 }
621
622 if (newkey < MIN_KEY_LENGTH
623 && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) {
624 BIO_printf(bio_err, "private key length is too short,\n");
625 BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n",
626 MIN_KEY_LENGTH, newkey);
627 goto end;
628 }
629
630 if (pkey_type == EVP_PKEY_RSA && newkey > OPENSSL_RSA_MAX_MODULUS_BITS)
631 BIO_printf(bio_err,
632 "Warning: It is not recommended to use more than %d bit for RSA keys.\n"
633 " Your key size is %ld! Larger key size may behave not as expected.\n",
634 OPENSSL_RSA_MAX_MODULUS_BITS, newkey);
635
636 #ifndef OPENSSL_NO_DSA
637 if (pkey_type == EVP_PKEY_DSA && newkey > OPENSSL_DSA_MAX_MODULUS_BITS)
638 BIO_printf(bio_err,
639 "Warning: It is not recommended to use more than %d bit for DSA keys.\n"
640 " Your key size is %ld! Larger key size may behave not as expected.\n",
641 OPENSSL_DSA_MAX_MODULUS_BITS, newkey);
642 #endif
643
644 if (genctx == NULL) {
645 genctx = set_keygen_ctx(NULL, &pkey_type, &newkey,
646 &keyalgstr, gen_eng);
647 if (!genctx)
648 goto end;
649 }
650
651 if (pkeyopts != NULL) {
652 char *genopt;
653 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
654 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
655 if (pkey_ctrl_string(genctx, genopt) <= 0) {
656 BIO_printf(bio_err, "parameter error \"%s\"\n", genopt);
657 ERR_print_errors(bio_err);
658 goto end;
659 }
660 }
661 }
662
663 if (pkey_type == EVP_PKEY_EC) {
664 BIO_printf(bio_err, "Generating an EC private key\n");
665 } else {
666 BIO_printf(bio_err, "Generating a %s private key\n", keyalgstr);
667 }
668
669 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
670 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
671
672 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) {
673 BIO_puts(bio_err, "Error Generating Key\n");
674 goto end;
675 }
676
677 EVP_PKEY_CTX_free(genctx);
678 genctx = NULL;
679
680 if (keyout == NULL) {
681 keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
682 if (keyout == NULL)
683 ERR_clear_error();
684 }
685
686 if (keyout == NULL)
687 BIO_printf(bio_err, "writing new private key to stdout\n");
688 else
689 BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
690 out = bio_open_owner(keyout, outformat, private);
691 if (out == NULL)
692 goto end;
693
694 p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
695 if (p == NULL) {
696 ERR_clear_error();
697 p = NCONF_get_string(req_conf, SECTION, "encrypt_key");
698 if (p == NULL)
699 ERR_clear_error();
700 }
701 if ((p != NULL) && (strcmp(p, "no") == 0))
702 cipher = NULL;
703 if (nodes)
704 cipher = NULL;
705
706 i = 0;
707 loop:
708 assert(private);
709 if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
710 NULL, 0, NULL, passout)) {
711 if ((ERR_GET_REASON(ERR_peek_error()) ==
712 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
713 ERR_clear_error();
714 i++;
715 goto loop;
716 }
717 goto end;
718 }
719 BIO_free(out);
720 out = NULL;
721 BIO_printf(bio_err, "-----\n");
722 }
723
724 if (!newreq) {
725 in = bio_open_default(infile, 'r', informat);
726 if (in == NULL)
727 goto end;
728
729 if (informat == FORMAT_ASN1)
730 req = d2i_X509_REQ_bio(in, NULL);
731 else
732 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
733 if (req == NULL) {
734 BIO_printf(bio_err, "unable to load X509 request\n");
735 goto end;
736 }
737 }
738
739 if (newreq || x509) {
740 if (pkey == NULL) {
741 BIO_printf(bio_err, "you need to specify a private key\n");
742 goto end;
743 }
744
745 if (req == NULL) {
746 req = X509_REQ_new();
747 if (req == NULL) {
748 goto end;
749 }
750
751 i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
752 subj = NULL; /* done processing '-subj' option */
753 if (!i) {
754 BIO_printf(bio_err, "problems making Certificate Request\n");
755 goto end;
756 }
757 }
758 if (x509) {
759 EVP_PKEY *tmppkey;
760 X509V3_CTX ext_ctx;
761 if ((x509ss = X509_new()) == NULL)
762 goto end;
763
764 /* Set version to V3 */
765 if ((extensions != NULL || addext_conf != NULL)
766 && !X509_set_version(x509ss, 2))
767 goto end;
768 if (serial != NULL) {
769 if (!X509_set_serialNumber(x509ss, serial))
770 goto end;
771 } else {
772 if (!rand_serial(NULL, X509_get_serialNumber(x509ss)))
773 goto end;
774 }
775
776 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
777 goto end;
778 if (days == 0) {
779 /* set default days if it's not specified */
780 days = 30;
781 }
782 if (!set_cert_times(x509ss, NULL, NULL, days))
783 goto end;
784 if (!X509_set_subject_name
785 (x509ss, X509_REQ_get_subject_name(req)))
786 goto end;
787 tmppkey = X509_REQ_get0_pubkey(req);
788 if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
789 goto end;
790
791 /* Set up V3 context struct */
792
793 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
794 X509V3_set_nconf(&ext_ctx, req_conf);
795
796 /* Add extensions */
797 if (extensions != NULL && !X509V3_EXT_add_nconf(req_conf,
798 &ext_ctx, extensions,
799 x509ss)) {
800 BIO_printf(bio_err, "Error Loading extension section %s\n",
801 extensions);
802 goto end;
803 }
804 if (addext_conf != NULL
805 && !X509V3_EXT_add_nconf(addext_conf, &ext_ctx, "default",
806 x509ss)) {
807 BIO_printf(bio_err, "Error Loading command line extensions\n");
808 goto end;
809 }
810
811 /* If a pre-cert was requested, we need to add a poison extension */
812 if (precert) {
813 if (X509_add1_ext_i2d(x509ss, NID_ct_precert_poison, NULL, 1, 0)
814 != 1) {
815 BIO_printf(bio_err, "Error adding poison extension\n");
816 goto end;
817 }
818 }
819
820 i = do_X509_sign(x509ss, pkey, digest, sigopts);
821 if (!i) {
822 ERR_print_errors(bio_err);
823 goto end;
824 }
825 } else {
826 X509V3_CTX ext_ctx;
827
828 /* Set up V3 context struct */
829
830 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
831 X509V3_set_nconf(&ext_ctx, req_conf);
832
833 /* Add extensions */
834 if (req_exts != NULL
835 && !X509V3_EXT_REQ_add_nconf(req_conf, &ext_ctx,
836 req_exts, req)) {
837 BIO_printf(bio_err, "Error Loading extension section %s\n",
838 req_exts);
839 goto end;
840 }
841 if (addext_conf != NULL
842 && !X509V3_EXT_REQ_add_nconf(addext_conf, &ext_ctx, "default",
843 req)) {
844 BIO_printf(bio_err, "Error Loading command line extensions\n");
845 goto end;
846 }
847 i = do_X509_REQ_sign(req, pkey, digest, sigopts);
848 if (!i) {
849 ERR_print_errors(bio_err);
850 goto end;
851 }
852 }
853 }
854
855 if (subj && x509) {
856 BIO_printf(bio_err, "Cannot modify certificate subject\n");
857 goto end;
858 }
859
860 if (subj && !x509) {
861 if (verbose) {
862 BIO_printf(bio_err, "Modifying Request's Subject\n");
863 print_name(bio_err, "old subject=",
864 X509_REQ_get_subject_name(req), get_nameopt());
865 }
866
867 if (build_subject(req, subj, chtype, multirdn) == 0) {
868 BIO_printf(bio_err, "ERROR: cannot modify subject\n");
869 ret = 1;
870 goto end;
871 }
872
873 if (verbose) {
874 print_name(bio_err, "new subject=",
875 X509_REQ_get_subject_name(req), get_nameopt());
876 }
877 }
878
879 if (verify && !x509) {
880 EVP_PKEY *tpubkey = pkey;
881
882 if (tpubkey == NULL) {
883 tpubkey = X509_REQ_get0_pubkey(req);
884 if (tpubkey == NULL)
885 goto end;
886 }
887
888 if (sm2_id != NULL) {
889 #ifndef OPENSSL_NO_SM2
890 ASN1_OCTET_STRING *v;
891
892 v = ASN1_OCTET_STRING_new();
893 if (v == NULL) {
894 BIO_printf(bio_err, "error: SM2 ID allocation failed\n");
895 goto end;
896 }
897
898 if (!ASN1_OCTET_STRING_set(v, sm2_id, sm2_idlen)) {
899 BIO_printf(bio_err, "error: setting SM2 ID failed\n");
900 ASN1_OCTET_STRING_free(v);
901 goto end;
902 }
903
904 X509_REQ_set0_sm2_id(req, v);
905 #endif
906 }
907
908 i = X509_REQ_verify(req, tpubkey);
909
910 if (i < 0) {
911 goto end;
912 } else if (i == 0) {
913 BIO_printf(bio_err, "verify failure\n");
914 ERR_print_errors(bio_err);
915 } else { /* if (i > 0) */
916 BIO_printf(bio_err, "verify OK\n");
917 }
918 }
919
920 if (noout && !text && !modulus && !subject && !pubkey) {
921 ret = 0;
922 goto end;
923 }
924
925 out = bio_open_default(outfile,
926 keyout != NULL && outfile != NULL &&
927 strcmp(keyout, outfile) == 0 ? 'a' : 'w',
928 outformat);
929 if (out == NULL)
930 goto end;
931
932 if (pubkey) {
933 EVP_PKEY *tpubkey = X509_REQ_get0_pubkey(req);
934
935 if (tpubkey == NULL) {
936 BIO_printf(bio_err, "Error getting public key\n");
937 ERR_print_errors(bio_err);
938 goto end;
939 }
940 PEM_write_bio_PUBKEY(out, tpubkey);
941 }
942
943 if (text) {
944 if (x509)
945 ret = X509_print_ex(out, x509ss, get_nameopt(), reqflag);
946 else
947 ret = X509_REQ_print_ex(out, req, get_nameopt(), reqflag);
948
949 if (ret == 0) {
950 if (x509)
951 BIO_printf(bio_err, "Error printing certificate\n");
952 else
953 BIO_printf(bio_err, "Error printing certificate request\n");
954
955 ERR_print_errors(bio_err);
956 goto end;
957 }
958 }
959
960 if (subject) {
961 if (x509)
962 print_name(out, "subject=", X509_get_subject_name(x509ss),
963 get_nameopt());
964 else
965 print_name(out, "subject=", X509_REQ_get_subject_name(req),
966 get_nameopt());
967 }
968
969 if (modulus) {
970 EVP_PKEY *tpubkey;
971
972 if (x509)
973 tpubkey = X509_get0_pubkey(x509ss);
974 else
975 tpubkey = X509_REQ_get0_pubkey(req);
976 if (tpubkey == NULL) {
977 fprintf(stdout, "Modulus=unavailable\n");
978 goto end;
979 }
980 fprintf(stdout, "Modulus=");
981 #ifndef OPENSSL_NO_RSA
982 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) {
983 const BIGNUM *n;
984 RSA_get0_key(EVP_PKEY_get0_RSA(tpubkey), &n, NULL, NULL);
985 BN_print(out, n);
986 } else
987 #endif
988 fprintf(stdout, "Wrong Algorithm type");
989 fprintf(stdout, "\n");
990 }
991
992 if (!noout && !x509) {
993 if (outformat == FORMAT_ASN1)
994 i = i2d_X509_REQ_bio(out, req);
995 else if (newhdr)
996 i = PEM_write_bio_X509_REQ_NEW(out, req);
997 else
998 i = PEM_write_bio_X509_REQ(out, req);
999 if (!i) {
1000 BIO_printf(bio_err, "unable to write X509 request\n");
1001 goto end;
1002 }
1003 }
1004 if (!noout && x509 && (x509ss != NULL)) {
1005 if (outformat == FORMAT_ASN1)
1006 i = i2d_X509_bio(out, x509ss);
1007 else
1008 i = PEM_write_bio_X509(out, x509ss);
1009 if (!i) {
1010 BIO_printf(bio_err, "unable to write X509 certificate\n");
1011 goto end;
1012 }
1013 }
1014 ret = 0;
1015 end:
1016 if (sm2_free)
1017 OPENSSL_free(sm2_id);
1018 if (ret) {
1019 ERR_print_errors(bio_err);
1020 }
1021 NCONF_free(req_conf);
1022 NCONF_free(addext_conf);
1023 BIO_free(addext_bio);
1024 BIO_free(in);
1025 BIO_free_all(out);
1026 EVP_PKEY_free(pkey);
1027 EVP_PKEY_CTX_free(genctx);
1028 sk_OPENSSL_STRING_free(pkeyopts);
1029 sk_OPENSSL_STRING_free(sigopts);
1030 lh_OPENSSL_STRING_doall(addexts, exts_cleanup);
1031 lh_OPENSSL_STRING_free(addexts);
1032 #ifndef OPENSSL_NO_ENGINE
1033 ENGINE_free(gen_eng);
1034 #endif
1035 OPENSSL_free(keyalgstr);
1036 X509_REQ_free(req);
1037 X509_free(x509ss);
1038 ASN1_INTEGER_free(serial);
1039 release_engine(e);
1040 if (passin != nofree_passin)
1041 OPENSSL_free(passin);
1042 if (passout != nofree_passout)
1043 OPENSSL_free(passout);
1044 return ret;
1045 }
1046
1047 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1048 int attribs, unsigned long chtype)
1049 {
1050 int ret = 0, i;
1051 char no_prompt = 0;
1052 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1053 char *tmp, *dn_sect, *attr_sect;
1054
1055 tmp = NCONF_get_string(req_conf, SECTION, PROMPT);
1056 if (tmp == NULL)
1057 ERR_clear_error();
1058 if ((tmp != NULL) && strcmp(tmp, "no") == 0)
1059 no_prompt = 1;
1060
1061 dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME);
1062 if (dn_sect == NULL) {
1063 BIO_printf(bio_err, "unable to find '%s' in config\n",
1064 DISTINGUISHED_NAME);
1065 goto err;
1066 }
1067 dn_sk = NCONF_get_section(req_conf, dn_sect);
1068 if (dn_sk == NULL) {
1069 BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
1070 goto err;
1071 }
1072
1073 attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES);
1074 if (attr_sect == NULL) {
1075 ERR_clear_error();
1076 attr_sk = NULL;
1077 } else {
1078 attr_sk = NCONF_get_section(req_conf, attr_sect);
1079 if (attr_sk == NULL) {
1080 BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
1081 goto err;
1082 }
1083 }
1084
1085 /* setup version number */
1086 if (!X509_REQ_set_version(req, 0L))
1087 goto err; /* version 1 */
1088
1089 if (subj)
1090 i = build_subject(req, subj, chtype, multirdn);
1091 else if (no_prompt)
1092 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1093 else
1094 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs,
1095 chtype);
1096 if (!i)
1097 goto err;
1098
1099 if (!X509_REQ_set_pubkey(req, pkey))
1100 goto err;
1101
1102 ret = 1;
1103 err:
1104 return ret;
1105 }
1106
1107 /*
1108 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1109 * where characters may be escaped by \
1110 */
1111 static int build_subject(X509_REQ *req, const char *subject, unsigned long chtype,
1112 int multirdn)
1113 {
1114 X509_NAME *n;
1115
1116 if ((n = parse_name(subject, chtype, multirdn)) == NULL)
1117 return 0;
1118
1119 if (!X509_REQ_set_subject_name(req, n)) {
1120 X509_NAME_free(n);
1121 return 0;
1122 }
1123 X509_NAME_free(n);
1124 return 1;
1125 }
1126
1127 static int prompt_info(X509_REQ *req,
1128 STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
1129 STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
1130 int attribs, unsigned long chtype)
1131 {
1132 int i;
1133 char *p, *q;
1134 char buf[100];
1135 int nid, mval;
1136 long n_min, n_max;
1137 char *type, *value;
1138 const char *def;
1139 CONF_VALUE *v;
1140 X509_NAME *subj;
1141 subj = X509_REQ_get_subject_name(req);
1142
1143 if (!batch) {
1144 BIO_printf(bio_err,
1145 "You are about to be asked to enter information that will be incorporated\n");
1146 BIO_printf(bio_err, "into your certificate request.\n");
1147 BIO_printf(bio_err,
1148 "What you are about to enter is what is called a Distinguished Name or a DN.\n");
1149 BIO_printf(bio_err,
1150 "There are quite a few fields but you can leave some blank\n");
1151 BIO_printf(bio_err,
1152 "For some fields there will be a default value,\n");
1153 BIO_printf(bio_err,
1154 "If you enter '.', the field will be left blank.\n");
1155 BIO_printf(bio_err, "-----\n");
1156 }
1157
1158 if (sk_CONF_VALUE_num(dn_sk)) {
1159 i = -1;
1160 start:
1161 for ( ; ; ) {
1162 i++;
1163 if (sk_CONF_VALUE_num(dn_sk) <= i)
1164 break;
1165
1166 v = sk_CONF_VALUE_value(dn_sk, i);
1167 p = q = NULL;
1168 type = v->name;
1169 if (!check_end(type, "_min") || !check_end(type, "_max") ||
1170 !check_end(type, "_default") || !check_end(type, "_value"))
1171 continue;
1172 /*
1173 * Skip past any leading X. X: X, etc to allow for multiple
1174 * instances
1175 */
1176 for (p = v->name; *p; p++)
1177 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1178 p++;
1179 if (*p)
1180 type = p;
1181 break;
1182 }
1183 if (*type == '+') {
1184 mval = -1;
1185 type++;
1186 } else {
1187 mval = 0;
1188 }
1189 /* If OBJ not recognised ignore it */
1190 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1191 goto start;
1192 if (!join(buf, sizeof(buf), v->name, "_default", "Name"))
1193 return 0;
1194 if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1195 ERR_clear_error();
1196 def = "";
1197 }
1198
1199 if (!join(buf, sizeof(buf), v->name, "_value", "Name"))
1200 return 0;
1201 if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1202 ERR_clear_error();
1203 value = NULL;
1204 }
1205
1206 if (!join(buf, sizeof(buf), v->name, "_min", "Name"))
1207 return 0;
1208 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1209 ERR_clear_error();
1210 n_min = -1;
1211 }
1212
1213
1214 if (!join(buf, sizeof(buf), v->name, "_max", "Name"))
1215 return 0;
1216 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1217 ERR_clear_error();
1218 n_max = -1;
1219 }
1220
1221 if (!add_DN_object(subj, v->value, def, value, nid,
1222 n_min, n_max, chtype, mval))
1223 return 0;
1224 }
1225 if (X509_NAME_entry_count(subj) == 0) {
1226 BIO_printf(bio_err,
1227 "error, no objects specified in config file\n");
1228 return 0;
1229 }
1230
1231 if (attribs) {
1232 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0)
1233 && (!batch)) {
1234 BIO_printf(bio_err,
1235 "\nPlease enter the following 'extra' attributes\n");
1236 BIO_printf(bio_err,
1237 "to be sent with your certificate request\n");
1238 }
1239
1240 i = -1;
1241 start2:
1242 for ( ; ; ) {
1243 i++;
1244 if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i))
1245 break;
1246
1247 v = sk_CONF_VALUE_value(attr_sk, i);
1248 type = v->name;
1249 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1250 goto start2;
1251
1252 if (!join(buf, sizeof(buf), type, "_default", "Name"))
1253 return 0;
1254 if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1255 == NULL) {
1256 ERR_clear_error();
1257 def = "";
1258 }
1259
1260 if (!join(buf, sizeof(buf), type, "_value", "Name"))
1261 return 0;
1262 if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1263 == NULL) {
1264 ERR_clear_error();
1265 value = NULL;
1266 }
1267
1268 if (!join(buf, sizeof(buf), type,"_min", "Name"))
1269 return 0;
1270 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1271 ERR_clear_error();
1272 n_min = -1;
1273 }
1274
1275 if (!join(buf, sizeof(buf), type, "_max", "Name"))
1276 return 0;
1277 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1278 ERR_clear_error();
1279 n_max = -1;
1280 }
1281
1282 if (!add_attribute_object(req,
1283 v->value, def, value, nid, n_min,
1284 n_max, chtype))
1285 return 0;
1286 }
1287 }
1288 } else {
1289 BIO_printf(bio_err, "No template, please set one up.\n");
1290 return 0;
1291 }
1292
1293 return 1;
1294
1295 }
1296
1297 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1298 STACK_OF(CONF_VALUE) *attr_sk, int attribs,
1299 unsigned long chtype)
1300 {
1301 int i, spec_char, plus_char;
1302 char *p, *q;
1303 char *type;
1304 CONF_VALUE *v;
1305 X509_NAME *subj;
1306
1307 subj = X509_REQ_get_subject_name(req);
1308
1309 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1310 int mval;
1311 v = sk_CONF_VALUE_value(dn_sk, i);
1312 p = q = NULL;
1313 type = v->name;
1314 /*
1315 * Skip past any leading X. X: X, etc to allow for multiple instances
1316 */
1317 for (p = v->name; *p; p++) {
1318 #ifndef CHARSET_EBCDIC
1319 spec_char = ((*p == ':') || (*p == ',') || (*p == '.'));
1320 #else
1321 spec_char = ((*p == os_toascii[':']) || (*p == os_toascii[','])
1322 || (*p == os_toascii['.']));
1323 #endif
1324 if (spec_char) {
1325 p++;
1326 if (*p)
1327 type = p;
1328 break;
1329 }
1330 }
1331 #ifndef CHARSET_EBCDIC
1332 plus_char = (*type == '+');
1333 #else
1334 plus_char = (*type == os_toascii['+']);
1335 #endif
1336 if (plus_char) {
1337 type++;
1338 mval = -1;
1339 } else {
1340 mval = 0;
1341 }
1342 if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1343 (unsigned char *)v->value, -1, -1,
1344 mval))
1345 return 0;
1346
1347 }
1348
1349 if (!X509_NAME_entry_count(subj)) {
1350 BIO_printf(bio_err, "error, no objects specified in config file\n");
1351 return 0;
1352 }
1353 if (attribs) {
1354 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1355 v = sk_CONF_VALUE_value(attr_sk, i);
1356 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1357 (unsigned char *)v->value, -1))
1358 return 0;
1359 }
1360 }
1361 return 1;
1362 }
1363
1364 static int add_DN_object(X509_NAME *n, char *text, const char *def,
1365 char *value, int nid, int n_min, int n_max,
1366 unsigned long chtype, int mval)
1367 {
1368 int ret = 0;
1369 char buf[1024];
1370
1371 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1372 "DN value", "DN default");
1373 if ((ret == 0) || (ret == 1))
1374 return ret;
1375 ret = 1;
1376
1377 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1378 (unsigned char *)buf, -1, -1, mval))
1379 ret = 0;
1380
1381 return ret;
1382 }
1383
1384 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1385 char *value, int nid, int n_min,
1386 int n_max, unsigned long chtype)
1387 {
1388 int ret = 0;
1389 char buf[1024];
1390
1391 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1392 "Attribute value", "Attribute default");
1393 if ((ret == 0) || (ret == 1))
1394 return ret;
1395 ret = 1;
1396
1397 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1398 (unsigned char *)buf, -1)) {
1399 BIO_printf(bio_err, "Error adding attribute\n");
1400 ERR_print_errors(bio_err);
1401 ret = 0;
1402 }
1403
1404 return ret;
1405 }
1406
1407
1408 static int build_data(char *text, const char *def,
1409 char *value, int n_min, int n_max,
1410 char *buf, const int buf_size,
1411 const char *desc1, const char *desc2
1412 )
1413 {
1414 int i;
1415 start:
1416 if (!batch)
1417 BIO_printf(bio_err, "%s [%s]:", text, def);
1418 (void)BIO_flush(bio_err);
1419 if (value != NULL) {
1420 if (!join(buf, buf_size, value, "\n", desc1))
1421 return 0;
1422 BIO_printf(bio_err, "%s\n", value);
1423 } else {
1424 buf[0] = '\0';
1425 if (!batch) {
1426 if (!fgets(buf, buf_size, stdin))
1427 return 0;
1428 } else {
1429 buf[0] = '\n';
1430 buf[1] = '\0';
1431 }
1432 }
1433
1434 if (buf[0] == '\0')
1435 return 0;
1436 if (buf[0] == '\n') {
1437 if ((def == NULL) || (def[0] == '\0'))
1438 return 1;
1439 if (!join(buf, buf_size, def, "\n", desc2))
1440 return 0;
1441 } else if ((buf[0] == '.') && (buf[1] == '\n')) {
1442 return 1;
1443 }
1444
1445 i = strlen(buf);
1446 if (buf[i - 1] != '\n') {
1447 BIO_printf(bio_err, "weird input :-(\n");
1448 return 0;
1449 }
1450 buf[--i] = '\0';
1451 #ifdef CHARSET_EBCDIC
1452 ebcdic2ascii(buf, buf, i);
1453 #endif
1454 if (!req_check_len(i, n_min, n_max)) {
1455 if (batch || value)
1456 return 0;
1457 goto start;
1458 }
1459 return 2;
1460 }
1461
1462 static int req_check_len(int len, int n_min, int n_max)
1463 {
1464 if ((n_min > 0) && (len < n_min)) {
1465 BIO_printf(bio_err,
1466 "string is too short, it needs to be at least %d bytes long\n",
1467 n_min);
1468 return 0;
1469 }
1470 if ((n_max >= 0) && (len > n_max)) {
1471 BIO_printf(bio_err,
1472 "string is too long, it needs to be no more than %d bytes long\n",
1473 n_max);
1474 return 0;
1475 }
1476 return 1;
1477 }
1478
1479 /* Check if the end of a string matches 'end' */
1480 static int check_end(const char *str, const char *end)
1481 {
1482 size_t elen, slen;
1483 const char *tmp;
1484
1485 elen = strlen(end);
1486 slen = strlen(str);
1487 if (elen > slen)
1488 return 1;
1489 tmp = str + slen - elen;
1490 return strcmp(tmp, end);
1491 }
1492
1493 /*
1494 * Merge the two strings together into the result buffer checking for
1495 * overflow and producing an error message if there is.
1496 */
1497 static int join(char buf[], size_t buf_size, const char *name,
1498 const char *tail, const char *desc)
1499 {
1500 const size_t name_len = strlen(name), tail_len = strlen(tail);
1501
1502 if (name_len + tail_len + 1 > buf_size) {
1503 BIO_printf(bio_err, "%s '%s' too long\n", desc, name);
1504 return 0;
1505 }
1506 memcpy(buf, name, name_len);
1507 memcpy(buf + name_len, tail, tail_len + 1);
1508 return 1;
1509 }
1510
1511 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
1512 int *pkey_type, long *pkeylen,
1513 char **palgnam, ENGINE *keygen_engine)
1514 {
1515 EVP_PKEY_CTX *gctx = NULL;
1516 EVP_PKEY *param = NULL;
1517 long keylen = -1;
1518 BIO *pbio = NULL;
1519 const char *paramfile = NULL;
1520
1521 if (gstr == NULL) {
1522 *pkey_type = EVP_PKEY_RSA;
1523 keylen = *pkeylen;
1524 } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1525 *pkey_type = EVP_PKEY_RSA;
1526 keylen = atol(gstr);
1527 *pkeylen = keylen;
1528 } else if (strncmp(gstr, "param:", 6) == 0) {
1529 paramfile = gstr + 6;
1530 } else {
1531 const char *p = strchr(gstr, ':');
1532 int len;
1533 ENGINE *tmpeng;
1534 const EVP_PKEY_ASN1_METHOD *ameth;
1535
1536 if (p != NULL)
1537 len = p - gstr;
1538 else
1539 len = strlen(gstr);
1540 /*
1541 * The lookup of a the string will cover all engines so keep a note
1542 * of the implementation.
1543 */
1544
1545 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1546
1547 if (ameth == NULL) {
1548 BIO_printf(bio_err, "Unknown algorithm %.*s\n", len, gstr);
1549 return NULL;
1550 }
1551
1552 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, ameth);
1553 #ifndef OPENSSL_NO_ENGINE
1554 ENGINE_finish(tmpeng);
1555 #endif
1556 if (*pkey_type == EVP_PKEY_RSA) {
1557 if (p != NULL) {
1558 keylen = atol(p + 1);
1559 *pkeylen = keylen;
1560 } else {
1561 keylen = *pkeylen;
1562 }
1563 } else if (p != NULL) {
1564 paramfile = p + 1;
1565 }
1566 }
1567
1568 if (paramfile != NULL) {
1569 pbio = BIO_new_file(paramfile, "r");
1570 if (pbio == NULL) {
1571 BIO_printf(bio_err, "Can't open parameter file %s\n", paramfile);
1572 return NULL;
1573 }
1574 param = PEM_read_bio_Parameters(pbio, NULL);
1575
1576 if (param == NULL) {
1577 X509 *x;
1578
1579 (void)BIO_reset(pbio);
1580 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1581 if (x != NULL) {
1582 param = X509_get_pubkey(x);
1583 X509_free(x);
1584 }
1585 }
1586
1587 BIO_free(pbio);
1588
1589 if (param == NULL) {
1590 BIO_printf(bio_err, "Error reading parameter file %s\n", paramfile);
1591 return NULL;
1592 }
1593 if (*pkey_type == -1) {
1594 *pkey_type = EVP_PKEY_id(param);
1595 } else if (*pkey_type != EVP_PKEY_base_id(param)) {
1596 BIO_printf(bio_err, "Key Type does not match parameters\n");
1597 EVP_PKEY_free(param);
1598 return NULL;
1599 }
1600 }
1601
1602 if (palgnam != NULL) {
1603 const EVP_PKEY_ASN1_METHOD *ameth;
1604 ENGINE *tmpeng;
1605 const char *anam;
1606
1607 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1608 if (ameth == NULL) {
1609 BIO_puts(bio_err, "Internal error: can't find key algorithm\n");
1610 return NULL;
1611 }
1612 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1613 *palgnam = OPENSSL_strdup(anam);
1614 #ifndef OPENSSL_NO_ENGINE
1615 ENGINE_finish(tmpeng);
1616 #endif
1617 }
1618
1619 if (param != NULL) {
1620 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1621 *pkeylen = EVP_PKEY_bits(param);
1622 EVP_PKEY_free(param);
1623 } else {
1624 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1625 }
1626
1627 if (gctx == NULL) {
1628 BIO_puts(bio_err, "Error allocating keygen context\n");
1629 ERR_print_errors(bio_err);
1630 return NULL;
1631 }
1632
1633 if (EVP_PKEY_keygen_init(gctx) <= 0) {
1634 BIO_puts(bio_err, "Error initializing keygen context\n");
1635 ERR_print_errors(bio_err);
1636 EVP_PKEY_CTX_free(gctx);
1637 return NULL;
1638 }
1639 #ifndef OPENSSL_NO_RSA
1640 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) {
1641 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) {
1642 BIO_puts(bio_err, "Error setting RSA keysize\n");
1643 ERR_print_errors(bio_err);
1644 EVP_PKEY_CTX_free(gctx);
1645 return NULL;
1646 }
1647 }
1648 #endif
1649
1650 return gctx;
1651 }
1652
1653 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1654 {
1655 char c = '*';
1656 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1657 int p;
1658 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1659 if (p == 0)
1660 c = '.';
1661 if (p == 1)
1662 c = '+';
1663 if (p == 2)
1664 c = '*';
1665 if (p == 3)
1666 c = '\n';
1667 BIO_write(b, &c, 1);
1668 (void)BIO_flush(b);
1669 return 1;
1670 }
1671
1672 #ifndef OPENSSL_NO_SM2
1673 static int ec_pkey_is_sm2(EVP_PKEY *pkey)
1674 {
1675 EC_KEY *eckey = NULL;
1676 const EC_GROUP *group = NULL;
1677
1678 if (EVP_PKEY_id(pkey) == EVP_PKEY_SM2)
1679 return 1;
1680 if (EVP_PKEY_id(pkey) == EVP_PKEY_EC
1681 && (eckey = EVP_PKEY_get0_EC_KEY(pkey)) != NULL
1682 && (group = EC_KEY_get0_group(eckey)) != NULL
1683 && EC_GROUP_get_curve_name(group) == NID_sm2)
1684 return 1;
1685 return 0;
1686 }
1687 #endif
1688
1689 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1690 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1691 {
1692 EVP_PKEY_CTX *pkctx = NULL;
1693 #ifndef OPENSSL_NO_SM2
1694 EVP_PKEY_CTX *pctx = NULL;
1695 #endif
1696 int i, def_nid, ret = 0;
1697
1698 if (ctx == NULL)
1699 goto err;
1700 #ifndef OPENSSL_NO_SM2
1701 if (ec_pkey_is_sm2(pkey)) {
1702 /* initialize some SM2-specific code */
1703 if (!EVP_PKEY_set_alias_type(pkey, EVP_PKEY_SM2)) {
1704 BIO_printf(bio_err, "Internal error.\n");
1705 goto err;
1706 }
1707 pctx = EVP_PKEY_CTX_new(pkey, NULL);
1708 if (pctx == NULL) {
1709 BIO_printf(bio_err, "memory allocation failure.\n");
1710 goto err;
1711 }
1712 /* set SM2 ID from sig options before calling the real init routine */
1713 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1714 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1715 if (pkey_ctrl_string(pctx, sigopt) <= 0) {
1716 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
1717 ERR_print_errors(bio_err);
1718 goto err;
1719 }
1720 }
1721 EVP_MD_CTX_set_pkey_ctx(ctx, pctx);
1722 }
1723 #endif
1724 /*
1725 * EVP_PKEY_get_default_digest_nid() returns 2 if the digest is mandatory
1726 * for this algorithm.
1727 */
1728 if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) == 2
1729 && def_nid == NID_undef) {
1730 /* The signing algorithm requires there to be no digest */
1731 md = NULL;
1732 }
1733 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1734 goto err;
1735 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1736 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1737 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1738 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
1739 ERR_print_errors(bio_err);
1740 goto err;
1741 }
1742 }
1743
1744 ret = 1;
1745 err:
1746 #ifndef OPENSSL_NO_SM2
1747 if (!ret)
1748 EVP_PKEY_CTX_free(pctx);
1749 #endif
1750 return ret;
1751 }
1752
1753 int do_X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
1754 STACK_OF(OPENSSL_STRING) *sigopts)
1755 {
1756 int rv;
1757 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1758 #ifndef OPENSSL_NO_SM2
1759 EVP_PKEY_CTX *pctx = NULL;
1760 #endif
1761
1762 rv = do_sign_init(mctx, pkey, md, sigopts);
1763 if (rv > 0) {
1764 rv = X509_sign_ctx(x, mctx);
1765 #ifndef OPENSSL_NO_SM2
1766 /*
1767 * only in SM2 case we need to free the pctx explicitly
1768 * if do_sign_init() fails, pctx is already freed in it
1769 */
1770 if (ec_pkey_is_sm2(pkey)) {
1771 pctx = EVP_MD_CTX_pkey_ctx(mctx);
1772 EVP_PKEY_CTX_free(pctx);
1773 }
1774 #endif
1775 }
1776 EVP_MD_CTX_free(mctx);
1777 return rv > 0 ? 1 : 0;
1778 }
1779
1780 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
1781 STACK_OF(OPENSSL_STRING) *sigopts)
1782 {
1783 int rv;
1784 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1785 #ifndef OPENSSL_NO_SM2
1786 EVP_PKEY_CTX *pctx = NULL;
1787 #endif
1788
1789 rv = do_sign_init(mctx, pkey, md, sigopts);
1790 if (rv > 0) {
1791 rv = X509_REQ_sign_ctx(x, mctx);
1792 #ifndef OPENSSL_NO_SM2
1793 /*
1794 * only in SM2 case we need to free the pctx explicitly
1795 * if do_sign_init() fails, pctx is already freed in it
1796 */
1797 if (ec_pkey_is_sm2(pkey)) {
1798 pctx = EVP_MD_CTX_pkey_ctx(mctx);
1799 EVP_PKEY_CTX_free(pctx);
1800 }
1801 #endif
1802 }
1803 EVP_MD_CTX_free(mctx);
1804 return rv > 0 ? 1 : 0;
1805 }
1806
1807 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
1808 STACK_OF(OPENSSL_STRING) *sigopts)
1809 {
1810 int rv;
1811 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1812 #ifndef OPENSSL_NO_SM2
1813 EVP_PKEY_CTX *pctx = NULL;
1814 #endif
1815
1816 rv = do_sign_init(mctx, pkey, md, sigopts);
1817 if (rv > 0) {
1818 rv = X509_CRL_sign_ctx(x, mctx);
1819 #ifndef OPENSSL_NO_SM2
1820 /*
1821 * only in SM2 case we need to free the pctx explicitly
1822 * if do_sign_init() fails, no need to double free pctx
1823 */
1824 if (ec_pkey_is_sm2(pkey)) {
1825 pctx = EVP_MD_CTX_pkey_ctx(mctx);
1826 EVP_PKEY_CTX_free(pctx);
1827 }
1828 #endif
1829 }
1830 EVP_MD_CTX_free(mctx);
1831 return rv > 0 ? 1 : 0;
1832 }
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