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[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 if ((req_conf = app_load_config(template)) == NULL)
480 goto end;
481 if (addext_bio) {
482 if (verbose)
483 BIO_printf(bio_err,
484 "Using additional configuration from command line\n");
485 if ((addext_conf = app_load_config_bio(addext_bio, NULL)) == NULL)
486 goto end;
487 }
488 if (template != default_config_file && !app_load_modules(req_conf))
489 goto end;
490
491 if (req_conf != NULL) {
492 p = NCONF_get_string(req_conf, NULL, "oid_file");
493 if (p == NULL)
494 ERR_clear_error();
495 if (p != NULL) {
496 BIO *oid_bio;
497
498 oid_bio = BIO_new_file(p, "r");
499 if (oid_bio == NULL) {
500 /*-
501 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
502 ERR_print_errors(bio_err);
503 */
504 } else {
505 OBJ_create_objects(oid_bio);
506 BIO_free(oid_bio);
507 }
508 }
509 }
510 if (!add_oid_section(req_conf))
511 goto end;
512
513 if (md_alg == NULL) {
514 p = NCONF_get_string(req_conf, SECTION, "default_md");
515 if (p == NULL) {
516 ERR_clear_error();
517 } else {
518 if (!opt_md(p, &md_alg))
519 goto opthelp;
520 digest = md_alg;
521 }
522 }
523
524 if (extensions == NULL) {
525 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
526 if (extensions == NULL)
527 ERR_clear_error();
528 }
529 if (extensions != NULL) {
530 /* Check syntax of file */
531 X509V3_CTX ctx;
532 X509V3_set_ctx_test(&ctx);
533 X509V3_set_nconf(&ctx, req_conf);
534 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
535 BIO_printf(bio_err,
536 "Error Loading extension section %s\n", extensions);
537 goto end;
538 }
539 }
540 if (addext_conf != NULL) {
541 /* Check syntax of command line extensions */
542 X509V3_CTX ctx;
543 X509V3_set_ctx_test(&ctx);
544 X509V3_set_nconf(&ctx, addext_conf);
545 if (!X509V3_EXT_add_nconf(addext_conf, &ctx, "default", NULL)) {
546 BIO_printf(bio_err, "Error Loading command line extensions\n");
547 goto end;
548 }
549 }
550
551 if (passin == NULL) {
552 passin = nofree_passin =
553 NCONF_get_string(req_conf, SECTION, "input_password");
554 if (passin == NULL)
555 ERR_clear_error();
556 }
557
558 if (passout == NULL) {
559 passout = nofree_passout =
560 NCONF_get_string(req_conf, SECTION, "output_password");
561 if (passout == NULL)
562 ERR_clear_error();
563 }
564
565 p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
566 if (p == NULL)
567 ERR_clear_error();
568
569 if (p != NULL && !ASN1_STRING_set_default_mask_asc(p)) {
570 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
571 goto end;
572 }
573
574 if (chtype != MBSTRING_UTF8) {
575 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
576 if (p == NULL)
577 ERR_clear_error();
578 else if (strcmp(p, "yes") == 0)
579 chtype = MBSTRING_UTF8;
580 }
581
582 if (req_exts == NULL) {
583 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
584 if (req_exts == NULL)
585 ERR_clear_error();
586 }
587 if (req_exts != NULL) {
588 /* Check syntax of file */
589 X509V3_CTX ctx;
590 X509V3_set_ctx_test(&ctx);
591 X509V3_set_nconf(&ctx, req_conf);
592 if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
593 BIO_printf(bio_err,
594 "Error Loading request extension section %s\n",
595 req_exts);
596 goto end;
597 }
598 }
599
600 if (keyfile != NULL) {
601 pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key");
602 if (pkey == NULL) {
603 /* load_key() has already printed an appropriate message */
604 goto end;
605 } else {
606 app_RAND_load_conf(req_conf, SECTION);
607 }
608 }
609
610 if (newreq && (pkey == NULL)) {
611 app_RAND_load_conf(req_conf, SECTION);
612
613 if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) {
614 newkey = DEFAULT_KEY_LENGTH;
615 }
616
617 if (keyalg != NULL) {
618 genctx = set_keygen_ctx(keyalg, &pkey_type, &newkey,
619 &keyalgstr, gen_eng);
620 if (genctx == NULL)
621 goto end;
622 }
623
624 if (newkey < MIN_KEY_LENGTH
625 && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) {
626 BIO_printf(bio_err, "private key length is too short,\n");
627 BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n",
628 MIN_KEY_LENGTH, newkey);
629 goto end;
630 }
631
632 if (pkey_type == EVP_PKEY_RSA && newkey > OPENSSL_RSA_MAX_MODULUS_BITS)
633 BIO_printf(bio_err,
634 "Warning: It is not recommended to use more than %d bit for RSA keys.\n"
635 " Your key size is %ld! Larger key size may behave not as expected.\n",
636 OPENSSL_RSA_MAX_MODULUS_BITS, newkey);
637
638 #ifndef OPENSSL_NO_DSA
639 if (pkey_type == EVP_PKEY_DSA && newkey > OPENSSL_DSA_MAX_MODULUS_BITS)
640 BIO_printf(bio_err,
641 "Warning: It is not recommended to use more than %d bit for DSA keys.\n"
642 " Your key size is %ld! Larger key size may behave not as expected.\n",
643 OPENSSL_DSA_MAX_MODULUS_BITS, newkey);
644 #endif
645
646 if (genctx == NULL) {
647 genctx = set_keygen_ctx(NULL, &pkey_type, &newkey,
648 &keyalgstr, gen_eng);
649 if (!genctx)
650 goto end;
651 }
652
653 if (pkeyopts != NULL) {
654 char *genopt;
655 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
656 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
657 if (pkey_ctrl_string(genctx, genopt) <= 0) {
658 BIO_printf(bio_err, "parameter error \"%s\"\n", genopt);
659 ERR_print_errors(bio_err);
660 goto end;
661 }
662 }
663 }
664
665 if (pkey_type == EVP_PKEY_EC) {
666 BIO_printf(bio_err, "Generating an EC private key\n");
667 } else {
668 BIO_printf(bio_err, "Generating a %s private key\n", keyalgstr);
669 }
670
671 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
672 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
673
674 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) {
675 BIO_puts(bio_err, "Error Generating Key\n");
676 goto end;
677 }
678
679 EVP_PKEY_CTX_free(genctx);
680 genctx = NULL;
681
682 if (keyout == NULL) {
683 keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
684 if (keyout == NULL)
685 ERR_clear_error();
686 }
687
688 if (keyout == NULL)
689 BIO_printf(bio_err, "writing new private key to stdout\n");
690 else
691 BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
692 out = bio_open_owner(keyout, outformat, private);
693 if (out == NULL)
694 goto end;
695
696 p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
697 if (p == NULL) {
698 ERR_clear_error();
699 p = NCONF_get_string(req_conf, SECTION, "encrypt_key");
700 if (p == NULL)
701 ERR_clear_error();
702 }
703 if ((p != NULL) && (strcmp(p, "no") == 0))
704 cipher = NULL;
705 if (nodes)
706 cipher = NULL;
707
708 i = 0;
709 loop:
710 assert(private);
711 if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
712 NULL, 0, NULL, passout)) {
713 if ((ERR_GET_REASON(ERR_peek_error()) ==
714 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
715 ERR_clear_error();
716 i++;
717 goto loop;
718 }
719 goto end;
720 }
721 BIO_free(out);
722 out = NULL;
723 BIO_printf(bio_err, "-----\n");
724 }
725
726 if (!newreq) {
727 in = bio_open_default(infile, 'r', informat);
728 if (in == NULL)
729 goto end;
730
731 if (informat == FORMAT_ASN1)
732 req = d2i_X509_REQ_bio(in, NULL);
733 else
734 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
735 if (req == NULL) {
736 BIO_printf(bio_err, "unable to load X509 request\n");
737 goto end;
738 }
739 }
740
741 if (newreq || x509) {
742 if (pkey == NULL) {
743 BIO_printf(bio_err, "you need to specify a private key\n");
744 goto end;
745 }
746
747 if (req == NULL) {
748 req = X509_REQ_new();
749 if (req == NULL) {
750 goto end;
751 }
752
753 i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
754 subj = NULL; /* done processing '-subj' option */
755 if (!i) {
756 BIO_printf(bio_err, "problems making Certificate Request\n");
757 goto end;
758 }
759 }
760 if (x509) {
761 EVP_PKEY *tmppkey;
762 X509V3_CTX ext_ctx;
763 if ((x509ss = X509_new()) == NULL)
764 goto end;
765
766 /* Set version to V3 */
767 if ((extensions != NULL || addext_conf != NULL)
768 && !X509_set_version(x509ss, 2))
769 goto end;
770 if (serial != NULL) {
771 if (!X509_set_serialNumber(x509ss, serial))
772 goto end;
773 } else {
774 if (!rand_serial(NULL, X509_get_serialNumber(x509ss)))
775 goto end;
776 }
777
778 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
779 goto end;
780 if (days == 0) {
781 /* set default days if it's not specified */
782 days = 30;
783 }
784 if (!set_cert_times(x509ss, NULL, NULL, days))
785 goto end;
786 if (!X509_set_subject_name
787 (x509ss, X509_REQ_get_subject_name(req)))
788 goto end;
789 tmppkey = X509_REQ_get0_pubkey(req);
790 if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
791 goto end;
792
793 /* Set up V3 context struct */
794
795 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
796 X509V3_set_nconf(&ext_ctx, req_conf);
797
798 /* Add extensions */
799 if (extensions != NULL && !X509V3_EXT_add_nconf(req_conf,
800 &ext_ctx, extensions,
801 x509ss)) {
802 BIO_printf(bio_err, "Error Loading extension section %s\n",
803 extensions);
804 goto end;
805 }
806 if (addext_conf != NULL
807 && !X509V3_EXT_add_nconf(addext_conf, &ext_ctx, "default",
808 x509ss)) {
809 BIO_printf(bio_err, "Error Loading command line extensions\n");
810 goto end;
811 }
812
813 /* If a pre-cert was requested, we need to add a poison extension */
814 if (precert) {
815 if (X509_add1_ext_i2d(x509ss, NID_ct_precert_poison, NULL, 1, 0)
816 != 1) {
817 BIO_printf(bio_err, "Error adding poison extension\n");
818 goto end;
819 }
820 }
821
822 i = do_X509_sign(x509ss, pkey, digest, sigopts);
823 if (!i) {
824 ERR_print_errors(bio_err);
825 goto end;
826 }
827 } else {
828 X509V3_CTX ext_ctx;
829
830 /* Set up V3 context struct */
831
832 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
833 X509V3_set_nconf(&ext_ctx, req_conf);
834
835 /* Add extensions */
836 if (req_exts != NULL
837 && !X509V3_EXT_REQ_add_nconf(req_conf, &ext_ctx,
838 req_exts, req)) {
839 BIO_printf(bio_err, "Error Loading extension section %s\n",
840 req_exts);
841 goto end;
842 }
843 if (addext_conf != NULL
844 && !X509V3_EXT_REQ_add_nconf(addext_conf, &ext_ctx, "default",
845 req)) {
846 BIO_printf(bio_err, "Error Loading command line extensions\n");
847 goto end;
848 }
849 i = do_X509_REQ_sign(req, pkey, digest, sigopts);
850 if (!i) {
851 ERR_print_errors(bio_err);
852 goto end;
853 }
854 }
855 }
856
857 if (subj && x509) {
858 BIO_printf(bio_err, "Cannot modify certificate subject\n");
859 goto end;
860 }
861
862 if (subj && !x509) {
863 if (verbose) {
864 BIO_printf(bio_err, "Modifying Request's Subject\n");
865 print_name(bio_err, "old subject=",
866 X509_REQ_get_subject_name(req), get_nameopt());
867 }
868
869 if (build_subject(req, subj, chtype, multirdn) == 0) {
870 BIO_printf(bio_err, "ERROR: cannot modify subject\n");
871 ret = 1;
872 goto end;
873 }
874
875 if (verbose) {
876 print_name(bio_err, "new subject=",
877 X509_REQ_get_subject_name(req), get_nameopt());
878 }
879 }
880
881 if (verify && !x509) {
882 EVP_PKEY *tpubkey = pkey;
883
884 if (tpubkey == NULL) {
885 tpubkey = X509_REQ_get0_pubkey(req);
886 if (tpubkey == NULL)
887 goto end;
888 }
889
890 if (sm2_id != NULL) {
891 #ifndef OPENSSL_NO_SM2
892 ASN1_OCTET_STRING *v;
893
894 v = ASN1_OCTET_STRING_new();
895 if (v == NULL) {
896 BIO_printf(bio_err, "error: SM2 ID allocation failed\n");
897 goto end;
898 }
899
900 if (!ASN1_OCTET_STRING_set(v, sm2_id, sm2_idlen)) {
901 BIO_printf(bio_err, "error: setting SM2 ID failed\n");
902 ASN1_OCTET_STRING_free(v);
903 goto end;
904 }
905
906 X509_REQ_set0_sm2_id(req, v);
907 #endif
908 }
909
910 i = X509_REQ_verify(req, tpubkey);
911
912 if (i < 0) {
913 goto end;
914 } else if (i == 0) {
915 BIO_printf(bio_err, "verify failure\n");
916 ERR_print_errors(bio_err);
917 } else { /* if (i > 0) */
918 BIO_printf(bio_err, "verify OK\n");
919 }
920 }
921
922 if (noout && !text && !modulus && !subject && !pubkey) {
923 ret = 0;
924 goto end;
925 }
926
927 out = bio_open_default(outfile,
928 keyout != NULL && outfile != NULL &&
929 strcmp(keyout, outfile) == 0 ? 'a' : 'w',
930 outformat);
931 if (out == NULL)
932 goto end;
933
934 if (pubkey) {
935 EVP_PKEY *tpubkey = X509_REQ_get0_pubkey(req);
936
937 if (tpubkey == NULL) {
938 BIO_printf(bio_err, "Error getting public key\n");
939 ERR_print_errors(bio_err);
940 goto end;
941 }
942 PEM_write_bio_PUBKEY(out, tpubkey);
943 }
944
945 if (text) {
946 if (x509)
947 ret = X509_print_ex(out, x509ss, get_nameopt(), reqflag);
948 else
949 ret = X509_REQ_print_ex(out, req, get_nameopt(), reqflag);
950
951 if (ret == 0) {
952 if (x509)
953 BIO_printf(bio_err, "Error printing certificate\n");
954 else
955 BIO_printf(bio_err, "Error printing certificate request\n");
956
957 ERR_print_errors(bio_err);
958 goto end;
959 }
960 }
961
962 if (subject) {
963 if (x509)
964 print_name(out, "subject=", X509_get_subject_name(x509ss),
965 get_nameopt());
966 else
967 print_name(out, "subject=", X509_REQ_get_subject_name(req),
968 get_nameopt());
969 }
970
971 if (modulus) {
972 EVP_PKEY *tpubkey;
973
974 if (x509)
975 tpubkey = X509_get0_pubkey(x509ss);
976 else
977 tpubkey = X509_REQ_get0_pubkey(req);
978 if (tpubkey == NULL) {
979 fprintf(stdout, "Modulus=unavailable\n");
980 goto end;
981 }
982 fprintf(stdout, "Modulus=");
983 #ifndef OPENSSL_NO_RSA
984 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) {
985 const BIGNUM *n;
986 RSA_get0_key(EVP_PKEY_get0_RSA(tpubkey), &n, NULL, NULL);
987 BN_print(out, n);
988 } else
989 #endif
990 fprintf(stdout, "Wrong Algorithm type");
991 fprintf(stdout, "\n");
992 }
993
994 if (!noout && !x509) {
995 if (outformat == FORMAT_ASN1)
996 i = i2d_X509_REQ_bio(out, req);
997 else if (newhdr)
998 i = PEM_write_bio_X509_REQ_NEW(out, req);
999 else
1000 i = PEM_write_bio_X509_REQ(out, req);
1001 if (!i) {
1002 BIO_printf(bio_err, "unable to write X509 request\n");
1003 goto end;
1004 }
1005 }
1006 if (!noout && x509 && (x509ss != NULL)) {
1007 if (outformat == FORMAT_ASN1)
1008 i = i2d_X509_bio(out, x509ss);
1009 else
1010 i = PEM_write_bio_X509(out, x509ss);
1011 if (!i) {
1012 BIO_printf(bio_err, "unable to write X509 certificate\n");
1013 goto end;
1014 }
1015 }
1016 ret = 0;
1017 end:
1018 if (sm2_free)
1019 OPENSSL_free(sm2_id);
1020 if (ret) {
1021 ERR_print_errors(bio_err);
1022 }
1023 NCONF_free(req_conf);
1024 NCONF_free(addext_conf);
1025 BIO_free(addext_bio);
1026 BIO_free(in);
1027 BIO_free_all(out);
1028 EVP_PKEY_free(pkey);
1029 EVP_PKEY_CTX_free(genctx);
1030 sk_OPENSSL_STRING_free(pkeyopts);
1031 sk_OPENSSL_STRING_free(sigopts);
1032 lh_OPENSSL_STRING_doall(addexts, exts_cleanup);
1033 lh_OPENSSL_STRING_free(addexts);
1034 #ifndef OPENSSL_NO_ENGINE
1035 ENGINE_free(gen_eng);
1036 #endif
1037 OPENSSL_free(keyalgstr);
1038 X509_REQ_free(req);
1039 X509_free(x509ss);
1040 ASN1_INTEGER_free(serial);
1041 release_engine(e);
1042 if (passin != nofree_passin)
1043 OPENSSL_free(passin);
1044 if (passout != nofree_passout)
1045 OPENSSL_free(passout);
1046 return ret;
1047 }
1048
1049 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1050 int attribs, unsigned long chtype)
1051 {
1052 int ret = 0, i;
1053 char no_prompt = 0;
1054 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1055 char *tmp, *dn_sect, *attr_sect;
1056
1057 tmp = NCONF_get_string(req_conf, SECTION, PROMPT);
1058 if (tmp == NULL)
1059 ERR_clear_error();
1060 if ((tmp != NULL) && strcmp(tmp, "no") == 0)
1061 no_prompt = 1;
1062
1063 dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME);
1064 if (dn_sect == NULL) {
1065 BIO_printf(bio_err, "unable to find '%s' in config\n",
1066 DISTINGUISHED_NAME);
1067 goto err;
1068 }
1069 dn_sk = NCONF_get_section(req_conf, dn_sect);
1070 if (dn_sk == NULL) {
1071 BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
1072 goto err;
1073 }
1074
1075 attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES);
1076 if (attr_sect == NULL) {
1077 ERR_clear_error();
1078 attr_sk = NULL;
1079 } else {
1080 attr_sk = NCONF_get_section(req_conf, attr_sect);
1081 if (attr_sk == NULL) {
1082 BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
1083 goto err;
1084 }
1085 }
1086
1087 /* setup version number */
1088 if (!X509_REQ_set_version(req, 0L))
1089 goto err; /* version 1 */
1090
1091 if (subj)
1092 i = build_subject(req, subj, chtype, multirdn);
1093 else if (no_prompt)
1094 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1095 else
1096 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs,
1097 chtype);
1098 if (!i)
1099 goto err;
1100
1101 if (!X509_REQ_set_pubkey(req, pkey))
1102 goto err;
1103
1104 ret = 1;
1105 err:
1106 return ret;
1107 }
1108
1109 /*
1110 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1111 * where characters may be escaped by \
1112 */
1113 static int build_subject(X509_REQ *req, const char *subject, unsigned long chtype,
1114 int multirdn)
1115 {
1116 X509_NAME *n;
1117
1118 if ((n = parse_name(subject, chtype, multirdn)) == NULL)
1119 return 0;
1120
1121 if (!X509_REQ_set_subject_name(req, n)) {
1122 X509_NAME_free(n);
1123 return 0;
1124 }
1125 X509_NAME_free(n);
1126 return 1;
1127 }
1128
1129 static int prompt_info(X509_REQ *req,
1130 STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
1131 STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
1132 int attribs, unsigned long chtype)
1133 {
1134 int i;
1135 char *p, *q;
1136 char buf[100];
1137 int nid, mval;
1138 long n_min, n_max;
1139 char *type, *value;
1140 const char *def;
1141 CONF_VALUE *v;
1142 X509_NAME *subj;
1143 subj = X509_REQ_get_subject_name(req);
1144
1145 if (!batch) {
1146 BIO_printf(bio_err,
1147 "You are about to be asked to enter information that will be incorporated\n");
1148 BIO_printf(bio_err, "into your certificate request.\n");
1149 BIO_printf(bio_err,
1150 "What you are about to enter is what is called a Distinguished Name or a DN.\n");
1151 BIO_printf(bio_err,
1152 "There are quite a few fields but you can leave some blank\n");
1153 BIO_printf(bio_err,
1154 "For some fields there will be a default value,\n");
1155 BIO_printf(bio_err,
1156 "If you enter '.', the field will be left blank.\n");
1157 BIO_printf(bio_err, "-----\n");
1158 }
1159
1160 if (sk_CONF_VALUE_num(dn_sk)) {
1161 i = -1;
1162 start:
1163 for ( ; ; ) {
1164 i++;
1165 if (sk_CONF_VALUE_num(dn_sk) <= i)
1166 break;
1167
1168 v = sk_CONF_VALUE_value(dn_sk, i);
1169 p = q = NULL;
1170 type = v->name;
1171 if (!check_end(type, "_min") || !check_end(type, "_max") ||
1172 !check_end(type, "_default") || !check_end(type, "_value"))
1173 continue;
1174 /*
1175 * Skip past any leading X. X: X, etc to allow for multiple
1176 * instances
1177 */
1178 for (p = v->name; *p; p++)
1179 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1180 p++;
1181 if (*p)
1182 type = p;
1183 break;
1184 }
1185 if (*type == '+') {
1186 mval = -1;
1187 type++;
1188 } else {
1189 mval = 0;
1190 }
1191 /* If OBJ not recognised ignore it */
1192 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1193 goto start;
1194 if (!join(buf, sizeof(buf), v->name, "_default", "Name"))
1195 return 0;
1196 if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1197 ERR_clear_error();
1198 def = "";
1199 }
1200
1201 if (!join(buf, sizeof(buf), v->name, "_value", "Name"))
1202 return 0;
1203 if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1204 ERR_clear_error();
1205 value = NULL;
1206 }
1207
1208 if (!join(buf, sizeof(buf), v->name, "_min", "Name"))
1209 return 0;
1210 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1211 ERR_clear_error();
1212 n_min = -1;
1213 }
1214
1215
1216 if (!join(buf, sizeof(buf), v->name, "_max", "Name"))
1217 return 0;
1218 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1219 ERR_clear_error();
1220 n_max = -1;
1221 }
1222
1223 if (!add_DN_object(subj, v->value, def, value, nid,
1224 n_min, n_max, chtype, mval))
1225 return 0;
1226 }
1227 if (X509_NAME_entry_count(subj) == 0) {
1228 BIO_printf(bio_err,
1229 "error, no objects specified in config file\n");
1230 return 0;
1231 }
1232
1233 if (attribs) {
1234 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0)
1235 && (!batch)) {
1236 BIO_printf(bio_err,
1237 "\nPlease enter the following 'extra' attributes\n");
1238 BIO_printf(bio_err,
1239 "to be sent with your certificate request\n");
1240 }
1241
1242 i = -1;
1243 start2:
1244 for ( ; ; ) {
1245 i++;
1246 if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i))
1247 break;
1248
1249 v = sk_CONF_VALUE_value(attr_sk, i);
1250 type = v->name;
1251 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1252 goto start2;
1253
1254 if (!join(buf, sizeof(buf), type, "_default", "Name"))
1255 return 0;
1256 if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1257 == NULL) {
1258 ERR_clear_error();
1259 def = "";
1260 }
1261
1262 if (!join(buf, sizeof(buf), type, "_value", "Name"))
1263 return 0;
1264 if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1265 == NULL) {
1266 ERR_clear_error();
1267 value = NULL;
1268 }
1269
1270 if (!join(buf, sizeof(buf), type,"_min", "Name"))
1271 return 0;
1272 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1273 ERR_clear_error();
1274 n_min = -1;
1275 }
1276
1277 if (!join(buf, sizeof(buf), type, "_max", "Name"))
1278 return 0;
1279 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1280 ERR_clear_error();
1281 n_max = -1;
1282 }
1283
1284 if (!add_attribute_object(req,
1285 v->value, def, value, nid, n_min,
1286 n_max, chtype))
1287 return 0;
1288 }
1289 }
1290 } else {
1291 BIO_printf(bio_err, "No template, please set one up.\n");
1292 return 0;
1293 }
1294
1295 return 1;
1296
1297 }
1298
1299 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1300 STACK_OF(CONF_VALUE) *attr_sk, int attribs,
1301 unsigned long chtype)
1302 {
1303 int i, spec_char, plus_char;
1304 char *p, *q;
1305 char *type;
1306 CONF_VALUE *v;
1307 X509_NAME *subj;
1308
1309 subj = X509_REQ_get_subject_name(req);
1310
1311 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1312 int mval;
1313 v = sk_CONF_VALUE_value(dn_sk, i);
1314 p = q = NULL;
1315 type = v->name;
1316 /*
1317 * Skip past any leading X. X: X, etc to allow for multiple instances
1318 */
1319 for (p = v->name; *p; p++) {
1320 #ifndef CHARSET_EBCDIC
1321 spec_char = ((*p == ':') || (*p == ',') || (*p == '.'));
1322 #else
1323 spec_char = ((*p == os_toascii[':']) || (*p == os_toascii[','])
1324 || (*p == os_toascii['.']));
1325 #endif
1326 if (spec_char) {
1327 p++;
1328 if (*p)
1329 type = p;
1330 break;
1331 }
1332 }
1333 #ifndef CHARSET_EBCDIC
1334 plus_char = (*type == '+');
1335 #else
1336 plus_char = (*type == os_toascii['+']);
1337 #endif
1338 if (plus_char) {
1339 type++;
1340 mval = -1;
1341 } else {
1342 mval = 0;
1343 }
1344 if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1345 (unsigned char *)v->value, -1, -1,
1346 mval))
1347 return 0;
1348
1349 }
1350
1351 if (!X509_NAME_entry_count(subj)) {
1352 BIO_printf(bio_err, "error, no objects specified in config file\n");
1353 return 0;
1354 }
1355 if (attribs) {
1356 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1357 v = sk_CONF_VALUE_value(attr_sk, i);
1358 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1359 (unsigned char *)v->value, -1))
1360 return 0;
1361 }
1362 }
1363 return 1;
1364 }
1365
1366 static int add_DN_object(X509_NAME *n, char *text, const char *def,
1367 char *value, int nid, int n_min, int n_max,
1368 unsigned long chtype, int mval)
1369 {
1370 int ret = 0;
1371 char buf[1024];
1372
1373 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1374 "DN value", "DN default");
1375 if ((ret == 0) || (ret == 1))
1376 return ret;
1377 ret = 1;
1378
1379 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1380 (unsigned char *)buf, -1, -1, mval))
1381 ret = 0;
1382
1383 return ret;
1384 }
1385
1386 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1387 char *value, int nid, int n_min,
1388 int n_max, unsigned long chtype)
1389 {
1390 int ret = 0;
1391 char buf[1024];
1392
1393 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1394 "Attribute value", "Attribute default");
1395 if ((ret == 0) || (ret == 1))
1396 return ret;
1397 ret = 1;
1398
1399 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1400 (unsigned char *)buf, -1)) {
1401 BIO_printf(bio_err, "Error adding attribute\n");
1402 ERR_print_errors(bio_err);
1403 ret = 0;
1404 }
1405
1406 return ret;
1407 }
1408
1409
1410 static int build_data(char *text, const char *def,
1411 char *value, int n_min, int n_max,
1412 char *buf, const int buf_size,
1413 const char *desc1, const char *desc2
1414 )
1415 {
1416 int i;
1417 start:
1418 if (!batch)
1419 BIO_printf(bio_err, "%s [%s]:", text, def);
1420 (void)BIO_flush(bio_err);
1421 if (value != NULL) {
1422 if (!join(buf, buf_size, value, "\n", desc1))
1423 return 0;
1424 BIO_printf(bio_err, "%s\n", value);
1425 } else {
1426 buf[0] = '\0';
1427 if (!batch) {
1428 if (!fgets(buf, buf_size, stdin))
1429 return 0;
1430 } else {
1431 buf[0] = '\n';
1432 buf[1] = '\0';
1433 }
1434 }
1435
1436 if (buf[0] == '\0')
1437 return 0;
1438 if (buf[0] == '\n') {
1439 if ((def == NULL) || (def[0] == '\0'))
1440 return 1;
1441 if (!join(buf, buf_size, def, "\n", desc2))
1442 return 0;
1443 } else if ((buf[0] == '.') && (buf[1] == '\n')) {
1444 return 1;
1445 }
1446
1447 i = strlen(buf);
1448 if (buf[i - 1] != '\n') {
1449 BIO_printf(bio_err, "weird input :-(\n");
1450 return 0;
1451 }
1452 buf[--i] = '\0';
1453 #ifdef CHARSET_EBCDIC
1454 ebcdic2ascii(buf, buf, i);
1455 #endif
1456 if (!req_check_len(i, n_min, n_max)) {
1457 if (batch || value)
1458 return 0;
1459 goto start;
1460 }
1461 return 2;
1462 }
1463
1464 static int req_check_len(int len, int n_min, int n_max)
1465 {
1466 if ((n_min > 0) && (len < n_min)) {
1467 BIO_printf(bio_err,
1468 "string is too short, it needs to be at least %d bytes long\n",
1469 n_min);
1470 return 0;
1471 }
1472 if ((n_max >= 0) && (len > n_max)) {
1473 BIO_printf(bio_err,
1474 "string is too long, it needs to be no more than %d bytes long\n",
1475 n_max);
1476 return 0;
1477 }
1478 return 1;
1479 }
1480
1481 /* Check if the end of a string matches 'end' */
1482 static int check_end(const char *str, const char *end)
1483 {
1484 size_t elen, slen;
1485 const char *tmp;
1486
1487 elen = strlen(end);
1488 slen = strlen(str);
1489 if (elen > slen)
1490 return 1;
1491 tmp = str + slen - elen;
1492 return strcmp(tmp, end);
1493 }
1494
1495 /*
1496 * Merge the two strings together into the result buffer checking for
1497 * overflow and producing an error message if there is.
1498 */
1499 static int join(char buf[], size_t buf_size, const char *name,
1500 const char *tail, const char *desc)
1501 {
1502 const size_t name_len = strlen(name), tail_len = strlen(tail);
1503
1504 if (name_len + tail_len + 1 > buf_size) {
1505 BIO_printf(bio_err, "%s '%s' too long\n", desc, name);
1506 return 0;
1507 }
1508 memcpy(buf, name, name_len);
1509 memcpy(buf + name_len, tail, tail_len + 1);
1510 return 1;
1511 }
1512
1513 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
1514 int *pkey_type, long *pkeylen,
1515 char **palgnam, ENGINE *keygen_engine)
1516 {
1517 EVP_PKEY_CTX *gctx = NULL;
1518 EVP_PKEY *param = NULL;
1519 long keylen = -1;
1520 BIO *pbio = NULL;
1521 const char *paramfile = NULL;
1522
1523 if (gstr == NULL) {
1524 *pkey_type = EVP_PKEY_RSA;
1525 keylen = *pkeylen;
1526 } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1527 *pkey_type = EVP_PKEY_RSA;
1528 keylen = atol(gstr);
1529 *pkeylen = keylen;
1530 } else if (strncmp(gstr, "param:", 6) == 0) {
1531 paramfile = gstr + 6;
1532 } else {
1533 const char *p = strchr(gstr, ':');
1534 int len;
1535 ENGINE *tmpeng;
1536 const EVP_PKEY_ASN1_METHOD *ameth;
1537
1538 if (p != NULL)
1539 len = p - gstr;
1540 else
1541 len = strlen(gstr);
1542 /*
1543 * The lookup of a the string will cover all engines so keep a note
1544 * of the implementation.
1545 */
1546
1547 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1548
1549 if (ameth == NULL) {
1550 BIO_printf(bio_err, "Unknown algorithm %.*s\n", len, gstr);
1551 return NULL;
1552 }
1553
1554 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, ameth);
1555 #ifndef OPENSSL_NO_ENGINE
1556 ENGINE_finish(tmpeng);
1557 #endif
1558 if (*pkey_type == EVP_PKEY_RSA) {
1559 if (p != NULL) {
1560 keylen = atol(p + 1);
1561 *pkeylen = keylen;
1562 } else {
1563 keylen = *pkeylen;
1564 }
1565 } else if (p != NULL) {
1566 paramfile = p + 1;
1567 }
1568 }
1569
1570 if (paramfile != NULL) {
1571 pbio = BIO_new_file(paramfile, "r");
1572 if (pbio == NULL) {
1573 BIO_printf(bio_err, "Can't open parameter file %s\n", paramfile);
1574 return NULL;
1575 }
1576 param = PEM_read_bio_Parameters(pbio, NULL);
1577
1578 if (param == NULL) {
1579 X509 *x;
1580
1581 (void)BIO_reset(pbio);
1582 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1583 if (x != NULL) {
1584 param = X509_get_pubkey(x);
1585 X509_free(x);
1586 }
1587 }
1588
1589 BIO_free(pbio);
1590
1591 if (param == NULL) {
1592 BIO_printf(bio_err, "Error reading parameter file %s\n", paramfile);
1593 return NULL;
1594 }
1595 if (*pkey_type == -1) {
1596 *pkey_type = EVP_PKEY_id(param);
1597 } else if (*pkey_type != EVP_PKEY_base_id(param)) {
1598 BIO_printf(bio_err, "Key Type does not match parameters\n");
1599 EVP_PKEY_free(param);
1600 return NULL;
1601 }
1602 }
1603
1604 if (palgnam != NULL) {
1605 const EVP_PKEY_ASN1_METHOD *ameth;
1606 ENGINE *tmpeng;
1607 const char *anam;
1608
1609 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1610 if (ameth == NULL) {
1611 BIO_puts(bio_err, "Internal error: can't find key algorithm\n");
1612 return NULL;
1613 }
1614 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1615 *palgnam = OPENSSL_strdup(anam);
1616 #ifndef OPENSSL_NO_ENGINE
1617 ENGINE_finish(tmpeng);
1618 #endif
1619 }
1620
1621 if (param != NULL) {
1622 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1623 *pkeylen = EVP_PKEY_bits(param);
1624 EVP_PKEY_free(param);
1625 } else {
1626 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1627 }
1628
1629 if (gctx == NULL) {
1630 BIO_puts(bio_err, "Error allocating keygen context\n");
1631 ERR_print_errors(bio_err);
1632 return NULL;
1633 }
1634
1635 if (EVP_PKEY_keygen_init(gctx) <= 0) {
1636 BIO_puts(bio_err, "Error initializing keygen context\n");
1637 ERR_print_errors(bio_err);
1638 EVP_PKEY_CTX_free(gctx);
1639 return NULL;
1640 }
1641 #ifndef OPENSSL_NO_RSA
1642 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) {
1643 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) {
1644 BIO_puts(bio_err, "Error setting RSA keysize\n");
1645 ERR_print_errors(bio_err);
1646 EVP_PKEY_CTX_free(gctx);
1647 return NULL;
1648 }
1649 }
1650 #endif
1651
1652 return gctx;
1653 }
1654
1655 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1656 {
1657 char c = '*';
1658 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1659 int p;
1660 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1661 if (p == 0)
1662 c = '.';
1663 if (p == 1)
1664 c = '+';
1665 if (p == 2)
1666 c = '*';
1667 if (p == 3)
1668 c = '\n';
1669 BIO_write(b, &c, 1);
1670 (void)BIO_flush(b);
1671 return 1;
1672 }
1673
1674 #ifndef OPENSSL_NO_SM2
1675 static int ec_pkey_is_sm2(EVP_PKEY *pkey)
1676 {
1677 EC_KEY *eckey = NULL;
1678 const EC_GROUP *group = NULL;
1679
1680 if (EVP_PKEY_id(pkey) == EVP_PKEY_SM2)
1681 return 1;
1682 if (EVP_PKEY_id(pkey) == EVP_PKEY_EC
1683 && (eckey = EVP_PKEY_get0_EC_KEY(pkey)) != NULL
1684 && (group = EC_KEY_get0_group(eckey)) != NULL
1685 && EC_GROUP_get_curve_name(group) == NID_sm2)
1686 return 1;
1687 return 0;
1688 }
1689 #endif
1690
1691 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1692 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1693 {
1694 EVP_PKEY_CTX *pkctx = NULL;
1695 #ifndef OPENSSL_NO_SM2
1696 EVP_PKEY_CTX *pctx = NULL;
1697 #endif
1698 int i, def_nid, ret = 0;
1699
1700 if (ctx == NULL)
1701 goto err;
1702 #ifndef OPENSSL_NO_SM2
1703 if (ec_pkey_is_sm2(pkey)) {
1704 /* initialize some SM2-specific code */
1705 if (!EVP_PKEY_set_alias_type(pkey, EVP_PKEY_SM2)) {
1706 BIO_printf(bio_err, "Internal error.\n");
1707 goto err;
1708 }
1709 pctx = EVP_PKEY_CTX_new(pkey, NULL);
1710 if (pctx == NULL) {
1711 BIO_printf(bio_err, "memory allocation failure.\n");
1712 goto err;
1713 }
1714 /* set SM2 ID from sig options before calling the real init routine */
1715 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1716 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1717 if (pkey_ctrl_string(pctx, sigopt) <= 0) {
1718 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
1719 ERR_print_errors(bio_err);
1720 goto err;
1721 }
1722 }
1723 EVP_MD_CTX_set_pkey_ctx(ctx, pctx);
1724 }
1725 #endif
1726 /*
1727 * EVP_PKEY_get_default_digest_nid() returns 2 if the digest is mandatory
1728 * for this algorithm.
1729 */
1730 if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) == 2
1731 && def_nid == NID_undef) {
1732 /* The signing algorithm requires there to be no digest */
1733 md = NULL;
1734 }
1735 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1736 goto err;
1737 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1738 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1739 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1740 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
1741 ERR_print_errors(bio_err);
1742 goto err;
1743 }
1744 }
1745
1746 ret = 1;
1747 err:
1748 #ifndef OPENSSL_NO_SM2
1749 if (!ret)
1750 EVP_PKEY_CTX_free(pctx);
1751 #endif
1752 return ret;
1753 }
1754
1755 int do_X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
1756 STACK_OF(OPENSSL_STRING) *sigopts)
1757 {
1758 int rv;
1759 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1760 #ifndef OPENSSL_NO_SM2
1761 EVP_PKEY_CTX *pctx = NULL;
1762 #endif
1763
1764 rv = do_sign_init(mctx, pkey, md, sigopts);
1765 if (rv > 0) {
1766 rv = X509_sign_ctx(x, mctx);
1767 #ifndef OPENSSL_NO_SM2
1768 /*
1769 * only in SM2 case we need to free the pctx explicitly
1770 * if do_sign_init() fails, pctx is already freed in it
1771 */
1772 if (ec_pkey_is_sm2(pkey)) {
1773 pctx = EVP_MD_CTX_pkey_ctx(mctx);
1774 EVP_PKEY_CTX_free(pctx);
1775 }
1776 #endif
1777 }
1778 EVP_MD_CTX_free(mctx);
1779 return rv > 0 ? 1 : 0;
1780 }
1781
1782 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
1783 STACK_OF(OPENSSL_STRING) *sigopts)
1784 {
1785 int rv;
1786 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1787 #ifndef OPENSSL_NO_SM2
1788 EVP_PKEY_CTX *pctx = NULL;
1789 #endif
1790
1791 rv = do_sign_init(mctx, pkey, md, sigopts);
1792 if (rv > 0) {
1793 rv = X509_REQ_sign_ctx(x, mctx);
1794 #ifndef OPENSSL_NO_SM2
1795 /*
1796 * only in SM2 case we need to free the pctx explicitly
1797 * if do_sign_init() fails, pctx is already freed in it
1798 */
1799 if (ec_pkey_is_sm2(pkey)) {
1800 pctx = EVP_MD_CTX_pkey_ctx(mctx);
1801 EVP_PKEY_CTX_free(pctx);
1802 }
1803 #endif
1804 }
1805 EVP_MD_CTX_free(mctx);
1806 return rv > 0 ? 1 : 0;
1807 }
1808
1809 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
1810 STACK_OF(OPENSSL_STRING) *sigopts)
1811 {
1812 int rv;
1813 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1814 #ifndef OPENSSL_NO_SM2
1815 EVP_PKEY_CTX *pctx = NULL;
1816 #endif
1817
1818 rv = do_sign_init(mctx, pkey, md, sigopts);
1819 if (rv > 0) {
1820 rv = X509_CRL_sign_ctx(x, mctx);
1821 #ifndef OPENSSL_NO_SM2
1822 /*
1823 * only in SM2 case we need to free the pctx explicitly
1824 * if do_sign_init() fails, no need to double free pctx
1825 */
1826 if (ec_pkey_is_sm2(pkey)) {
1827 pctx = EVP_MD_CTX_pkey_ctx(mctx);
1828 EVP_PKEY_CTX_free(pctx);
1829 }
1830 #endif
1831 }
1832 EVP_MD_CTX_free(mctx);
1833 return rv > 0 ? 1 : 0;
1834 }
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