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1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
56 */
57
58 #include <stdio.h>
59 #include <stdlib.h>
60 #include <time.h>
61 #include <string.h>
62 #include "apps.h"
63 #include <openssl/bio.h>
64 #include <openssl/evp.h>
65 #include <openssl/conf.h>
66 #include <openssl/err.h>
67 #include <openssl/asn1.h>
68 #include <openssl/x509.h>
69 #include <openssl/x509v3.h>
70 #include <openssl/objects.h>
71 #include <openssl/pem.h>
72 #include <openssl/bn.h>
73 #ifndef OPENSSL_NO_RSA
74 # include <openssl/rsa.h>
75 #endif
76 #ifndef OPENSSL_NO_DSA
77 # include <openssl/dsa.h>
78 #endif
79
80 #define SECTION "req"
81
82 #define BITS "default_bits"
83 #define KEYFILE "default_keyfile"
84 #define PROMPT "prompt"
85 #define DISTINGUISHED_NAME "distinguished_name"
86 #define ATTRIBUTES "attributes"
87 #define V3_EXTENSIONS "x509_extensions"
88 #define REQ_EXTENSIONS "req_extensions"
89 #define STRING_MASK "string_mask"
90 #define UTF8_IN "utf8"
91
92 #define DEFAULT_KEY_LENGTH 512
93 #define MIN_KEY_LENGTH 384
94
95 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *dn, int mutlirdn,
96 int attribs, unsigned long chtype);
97 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
98 int multirdn);
99 static int prompt_info(X509_REQ *req,
100 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
101 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect,
102 int attribs, unsigned long chtype);
103 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
104 STACK_OF(CONF_VALUE) *attr, int attribs,
105 unsigned long chtype);
106 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
107 char *value, int nid, int n_min, int n_max,
108 unsigned long chtype);
109 static int add_DN_object(X509_NAME *n, char *text, const char *def,
110 char *value, int nid, int n_min, int n_max,
111 unsigned long chtype, int mval);
112 static int genpkey_cb(EVP_PKEY_CTX *ctx);
113 static int req_check_len(int len, int n_min, int n_max);
114 static int check_end(const char *str, const char *end);
115 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
116 int *pkey_type, long *pkeylen,
117 char **palgnam, ENGINE *keygen_engine);
118 static CONF *req_conf = NULL;
119 static int batch = 0;
120
121 typedef enum OPTION_choice {
122 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
123 OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_KEYGEN_ENGINE, OPT_KEY,
124 OPT_PUBKEY, OPT_NEW, OPT_CONFIG, OPT_KEYFORM, OPT_IN, OPT_OUT,
125 OPT_KEYOUT, OPT_PASSIN, OPT_PASSOUT, OPT_RAND, OPT_NEWKEY,
126 OPT_PKEYOPT, OPT_SIGOPT, OPT_BATCH, OPT_NEWHDR, OPT_MODULUS,
127 OPT_VERIFY, OPT_NODES, OPT_NOOUT, OPT_VERBOSE, OPT_UTF8,
128 OPT_NAMEOPT, OPT_REQOPT, OPT_SUBJECT, OPT_TEXT, OPT_X509,
129 OPT_ASN1_KLUDGE, OPT_NO_ASN1_KLUDGE, OPT_MULTIVALUE_RDN,
130 OPT_DAYS, OPT_SET_SERIAL, OPT_EXTENSIONS, OPT_REQEXTS, OPT_MD
131 } OPTION_CHOICE;
132
133 OPTIONS req_options[] = {
134 {"help", OPT_HELP, '-', "Display this summary"},
135 {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"},
136 {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
137 {"in", OPT_IN, '<', "Input file"},
138 {"out", OPT_OUT, '>', "Output file"},
139 {"keygen_engine", OPT_KEYGEN_ENGINE, 's'},
140 {"key", OPT_KEY, '<', "Use the private key contained in file"},
141 {"keyform", OPT_KEYFORM, 'F', "Key file format"},
142 {"pubkey", OPT_PUBKEY, '-', "Output public key"},
143 {"new", OPT_NEW, '-', "New request"},
144 {"config", OPT_CONFIG, '<', "Request template file"},
145 {"keyout", OPT_KEYOUT, '>', "File to send the key to"},
146 {"passin", OPT_PASSIN, 's', "Private key password source"},
147 {"passout", OPT_PASSOUT, 's'},
148 {"rand", OPT_RAND, 's',
149 "Load the file(s) into the random number generator"},
150 {"newkey", OPT_NEWKEY, 's', "Specify as type:bits"},
151 {"pkeyopt", OPT_PKEYOPT, 's'},
152 {"sigopt", OPT_SIGOPT, 's'},
153 {"batch", OPT_BATCH, '-',
154 "Do not ask anything during request generation"},
155 {"newhdr", OPT_NEWHDR, '-', "Output \"NEW\" in the header lines"},
156 {"modulus", OPT_MODULUS, '-', "RSA modulus"},
157 {"verify", OPT_VERIFY, '-', "Verify signature on REQ"},
158 {"nodes", OPT_NODES, '-', "Don't encrypt the output key"},
159 {"noout", OPT_NOOUT, '-', "Do not output REQ"},
160 {"verbose", OPT_VERBOSE, '-'},
161 {"utf8", OPT_UTF8, '-', "Input characters are UTF8 (default ASCII)"},
162 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
163 {"reqopt", OPT_REQOPT, 's', "Various request text options"},
164 {"text", OPT_TEXT, '-', "Text form of request"},
165 {"x509", OPT_X509, '-',
166 "Output a x509 structure instead of a cert request"},
167 {"asn1-kludge", OPT_ASN1_KLUDGE, '-',
168 "Output the request in a format that is wrong"},
169 {OPT_MORE_STR, 1, 1, "(Required by some CA's)"},
170 {"no-asn1-kludge", OPT_NO_ASN1_KLUDGE, '-'},
171 {"subject", OPT_SUBJECT, 's', "Output the request's subject"},
172 {"multivalue-rdn", OPT_MULTIVALUE_RDN, '-',
173 "Enable support for multivalued RDNs"},
174 {"days", OPT_DAYS, 'p', "Number of days cert is valid for"},
175 {"set-serial", OPT_SET_SERIAL, 'p', "Serial number to use"},
176 {"extensions", OPT_EXTENSIONS, 's',
177 "Cert extension section (override value in config file)"},
178 {"reqexts", OPT_REQEXTS, 's',
179 "Request extension section (override value in config file)"},
180 #ifndef OPENSSL_NO_ENGINE
181 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
182 #endif
183 {"", OPT_MD, '-', "Any supported digest"},
184 {NULL}
185 };
186
187 int req_main(int argc, char **argv)
188 {
189 ASN1_INTEGER *serial = NULL;
190 BIO *in = NULL, *out = NULL;
191 ENGINE *e = NULL, *gen_eng = NULL;
192 EVP_PKEY *pkey = NULL;
193 EVP_PKEY_CTX *genctx = NULL;
194 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL;
195 X509 *x509ss = NULL;
196 X509_REQ *req = NULL;
197 const EVP_CIPHER *cipher = NULL;
198 const EVP_MD *md_alg = NULL, *digest = NULL;
199 char *engine = NULL, *extensions = NULL, *infile = NULL;
200 char *outfile = NULL, *keyfile = NULL, *inrand = NULL;
201 char *keyalgstr = NULL, *p, *prog, *passargin = NULL, *passargout = NULL;
202 char *passin = NULL, *passout = NULL, *req_exts = NULL, *subj = NULL;
203 char *template = NULL, *keyout = NULL;
204 const char *keyalg = NULL;
205 OPTION_CHOICE o;
206 int ret = 1, x509 = 0, days = 30, i = 0, newreq = 0, verbose =
207 0, pkey_type = -1;
208 int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyform = FORMAT_PEM;
209 int modulus = 0, multirdn = 0, verify = 0, noout = 0, text = 0;
210 int nodes = 0, kludge = 0, newhdr = 0, subject = 0, pubkey = 0;
211 long newkey = -1;
212 unsigned long chtype = MBSTRING_ASC, nmflag = 0, reqflag = 0;
213
214 #ifndef OPENSSL_NO_DES
215 cipher = EVP_des_ede3_cbc();
216 #endif
217
218 prog = opt_init(argc, argv, req_options);
219 while ((o = opt_next()) != OPT_EOF) {
220 switch (o) {
221 case OPT_EOF:
222 case OPT_ERR:
223 opthelp:
224 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
225 goto end;
226 case OPT_HELP:
227 opt_help(req_options);
228 ret = 0;
229 goto end;
230 case OPT_INFORM:
231 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
232 goto opthelp;
233 break;
234 case OPT_OUTFORM:
235 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
236 goto opthelp;
237 break;
238 #ifndef OPENSSL_NO_ENGINE
239 case OPT_ENGINE:
240 engine = optarg;
241 break;
242 case OPT_KEYGEN_ENGINE:
243 gen_eng = ENGINE_by_id(opt_arg());
244 if (gen_eng == NULL) {
245 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
246 goto end;
247 }
248 break;
249 #endif
250 case OPT_KEY:
251 keyfile = opt_arg();
252 break;
253 case OPT_PUBKEY:
254 pubkey = 1;
255 break;
256 case OPT_NEW:
257 newreq = 1;
258 break;
259 case OPT_CONFIG:
260 template = opt_arg();
261 break;
262 case OPT_KEYFORM:
263 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &keyform))
264 goto opthelp;
265 break;
266 case OPT_IN:
267 infile = opt_arg();
268 break;
269 case OPT_OUT:
270 outfile = opt_arg();
271 break;
272 case OPT_KEYOUT:
273 keyout = opt_arg();
274 break;
275 case OPT_PASSIN:
276 passargin = opt_arg();
277 break;
278 case OPT_PASSOUT:
279 passargout = opt_arg();
280 break;
281 case OPT_RAND:
282 inrand = opt_arg();
283 break;
284 case OPT_NEWKEY:
285 keyalg = opt_arg();
286 newreq = 1;
287 break;
288 case OPT_PKEYOPT:
289 if (!pkeyopts)
290 pkeyopts = sk_OPENSSL_STRING_new_null();
291 if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, opt_arg()))
292 goto opthelp;
293 break;
294 case OPT_SIGOPT:
295 if (!sigopts)
296 sigopts = sk_OPENSSL_STRING_new_null();
297 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
298 goto opthelp;
299 break;
300 case OPT_BATCH:
301 batch = 1;
302 break;
303 case OPT_NEWHDR:
304 newhdr = 1;
305 break;
306 case OPT_MODULUS:
307 modulus = 1;
308 break;
309 case OPT_VERIFY:
310 verify = 1;
311 break;
312 case OPT_NODES:
313 nodes = 1;
314 break;
315 case OPT_NOOUT:
316 noout = 1;
317 break;
318 case OPT_VERBOSE:
319 verbose = 1;
320 break;
321 case OPT_UTF8:
322 chtype = MBSTRING_UTF8;
323 break;
324 case OPT_NAMEOPT:
325 if (!set_name_ex(&nmflag, opt_arg()))
326 goto opthelp;
327 break;
328 case OPT_REQOPT:
329 if (!set_cert_ex(&reqflag, opt_arg()))
330 goto opthelp;
331 break;
332 case OPT_TEXT:
333 text = 1;
334 break;
335 case OPT_X509:
336 x509 = 1;
337 break;
338 case OPT_ASN1_KLUDGE:
339 kludge = 1;
340 break;
341 case OPT_NO_ASN1_KLUDGE:
342 kludge = 0;
343 break;
344 multirdn = 1;
345 case OPT_DAYS:
346 days = atoi(opt_arg());
347 break;
348 case OPT_SET_SERIAL:
349 serial = s2i_ASN1_INTEGER(NULL, opt_arg());
350 if (serial == NULL)
351 goto opthelp;
352 break;
353 case OPT_SUBJECT:
354 subj = opt_arg();
355 break;
356 case OPT_MULTIVALUE_RDN:
357 multirdn = 1;
358 break;
359 case OPT_EXTENSIONS:
360 extensions = opt_arg();
361 break;
362 case OPT_REQEXTS:
363 req_exts = opt_arg();
364 break;
365 case OPT_MD:
366 if (!opt_md(opt_unknown(), &md_alg))
367 goto opthelp;
368 digest = md_alg;
369 break;
370 }
371 }
372 argc = opt_num_rest();
373 argv = opt_rest();
374
375 if (!app_passwd(passargin, passargout, &passin, &passout)) {
376 BIO_printf(bio_err, "Error getting passwords\n");
377 goto end;
378 }
379
380 if (template != NULL) {
381 long errline = -1;
382
383 if (verbose)
384 BIO_printf(bio_err, "Using configuration from %s\n", template);
385 req_conf = NCONF_new(NULL);
386 i = NCONF_load(req_conf, template, &errline);
387 if (i == 0) {
388 BIO_printf(bio_err, "error on line %ld of %s\n", errline,
389 template);
390 goto end;
391 }
392 } else {
393 req_conf = config;
394
395 if (req_conf == NULL) {
396 BIO_printf(bio_err, "Unable to load config info from %s\n",
397 default_config_file);
398 if (newreq)
399 goto end;
400 } else if (verbose)
401 BIO_printf(bio_err, "Using configuration from %s\n",
402 default_config_file);
403 }
404
405 if (req_conf != NULL) {
406 p = NCONF_get_string(req_conf, NULL, "oid_file");
407 if (p == NULL)
408 ERR_clear_error();
409 if (p != NULL) {
410 BIO *oid_bio;
411
412 oid_bio = BIO_new_file(p, "r");
413 if (oid_bio == NULL) {
414 /*-
415 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
416 ERR_print_errors(bio_err);
417 */
418 } else {
419 OBJ_create_objects(oid_bio);
420 BIO_free(oid_bio);
421 }
422 }
423 }
424 if (!add_oid_section(req_conf))
425 goto end;
426
427 if (md_alg == NULL) {
428 p = NCONF_get_string(req_conf, SECTION, "default_md");
429 if (p == NULL)
430 ERR_clear_error();
431 else {
432 if (!opt_md(p, &md_alg))
433 goto opthelp;
434 digest = md_alg;
435 }
436 }
437
438 if (!extensions) {
439 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
440 if (!extensions)
441 ERR_clear_error();
442 }
443 if (extensions) {
444 /* Check syntax of file */
445 X509V3_CTX ctx;
446 X509V3_set_ctx_test(&ctx);
447 X509V3_set_nconf(&ctx, req_conf);
448 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
449 BIO_printf(bio_err,
450 "Error Loading extension section %s\n", extensions);
451 goto end;
452 }
453 }
454
455 if (!passin) {
456 passin = NCONF_get_string(req_conf, SECTION, "input_password");
457 if (!passin)
458 ERR_clear_error();
459 }
460
461 if (!passout) {
462 passout = NCONF_get_string(req_conf, SECTION, "output_password");
463 if (!passout)
464 ERR_clear_error();
465 }
466
467 p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
468 if (!p)
469 ERR_clear_error();
470
471 if (p && !ASN1_STRING_set_default_mask_asc(p)) {
472 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
473 goto end;
474 }
475
476 if (chtype != MBSTRING_UTF8) {
477 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
478 if (!p)
479 ERR_clear_error();
480 else if (!strcmp(p, "yes"))
481 chtype = MBSTRING_UTF8;
482 }
483
484 if (!req_exts) {
485 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
486 if (!req_exts)
487 ERR_clear_error();
488 }
489 if (req_exts) {
490 /* Check syntax of file */
491 X509V3_CTX ctx;
492 X509V3_set_ctx_test(&ctx);
493 X509V3_set_nconf(&ctx, req_conf);
494 if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
495 BIO_printf(bio_err,
496 "Error Loading request extension section %s\n",
497 req_exts);
498 goto end;
499 }
500 }
501 #ifndef OPENSSL_NO_ENGINE
502 e = setup_engine(engine, 0);
503 #endif
504
505 if (keyfile != NULL) {
506 pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key");
507 if (!pkey) {
508 /* load_key() has already printed an appropriate message */
509 goto end;
510 } else {
511 char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE");
512 if (randfile == NULL)
513 ERR_clear_error();
514 app_RAND_load_file(randfile, 0);
515 }
516 }
517
518 if (newreq && (pkey == NULL)) {
519 char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE");
520 if (randfile == NULL)
521 ERR_clear_error();
522 app_RAND_load_file(randfile, 0);
523 if (inrand)
524 app_RAND_load_files(inrand);
525
526 if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) {
527 newkey = DEFAULT_KEY_LENGTH;
528 }
529
530 if (keyalg) {
531 genctx = set_keygen_ctx(keyalg, &pkey_type, &newkey,
532 &keyalgstr, gen_eng);
533 if (!genctx)
534 goto end;
535 }
536
537 if (newkey < MIN_KEY_LENGTH
538 && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) {
539 BIO_printf(bio_err, "private key length is too short,\n");
540 BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n",
541 MIN_KEY_LENGTH, newkey);
542 goto end;
543 }
544
545 if (!genctx) {
546 genctx = set_keygen_ctx(NULL, &pkey_type, &newkey,
547 &keyalgstr, gen_eng);
548 if (!genctx)
549 goto end;
550 }
551
552 if (pkeyopts) {
553 char *genopt;
554 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
555 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
556 if (pkey_ctrl_string(genctx, genopt) <= 0) {
557 BIO_printf(bio_err, "parameter error \"%s\"\n", genopt);
558 ERR_print_errors(bio_err);
559 goto end;
560 }
561 }
562 }
563
564 BIO_printf(bio_err, "Generating a %ld bit %s private key\n",
565 newkey, keyalgstr);
566
567 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
568 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
569
570 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) {
571 BIO_puts(bio_err, "Error Generating Key\n");
572 goto end;
573 }
574
575 EVP_PKEY_CTX_free(genctx);
576 genctx = NULL;
577
578 app_RAND_write_file(randfile);
579
580 if (keyout == NULL) {
581 keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
582 if (keyout == NULL)
583 ERR_clear_error();
584 }
585
586 if (keyout == NULL)
587 BIO_printf(bio_err, "writing new private key to stdout\n");
588 else
589 BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
590 out = bio_open_default(keyout, "w");
591 if (out == NULL)
592 goto end;
593
594 p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
595 if (p == NULL) {
596 ERR_clear_error();
597 p = NCONF_get_string(req_conf, SECTION, "encrypt_key");
598 if (p == NULL)
599 ERR_clear_error();
600 }
601 if ((p != NULL) && (strcmp(p, "no") == 0))
602 cipher = NULL;
603 if (nodes)
604 cipher = NULL;
605
606 i = 0;
607 loop:
608 if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
609 NULL, 0, NULL, passout)) {
610 if ((ERR_GET_REASON(ERR_peek_error()) ==
611 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
612 ERR_clear_error();
613 i++;
614 goto loop;
615 }
616 goto end;
617 }
618 BIO_printf(bio_err, "-----\n");
619 }
620
621 if (!newreq) {
622 /*
623 * Since we are using a pre-existing certificate request, the kludge
624 * 'format' info should not be changed.
625 */
626 kludge = -1;
627 in = bio_open_default(infile, RB(informat));
628 if (in == NULL)
629 goto end;
630
631 if (informat == FORMAT_ASN1)
632 req = d2i_X509_REQ_bio(in, NULL);
633 else
634 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
635 if (req == NULL) {
636 BIO_printf(bio_err, "unable to load X509 request\n");
637 goto end;
638 }
639 }
640
641 if (newreq || x509) {
642 if (pkey == NULL) {
643 BIO_printf(bio_err, "you need to specify a private key\n");
644 goto end;
645 }
646
647 if (req == NULL) {
648 req = X509_REQ_new();
649 if (req == NULL) {
650 goto end;
651 }
652
653 i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
654 subj = NULL; /* done processing '-subj' option */
655 if ((kludge > 0)
656 && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) {
657 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
658 req->req_info->attributes = NULL;
659 }
660 if (!i) {
661 BIO_printf(bio_err, "problems making Certificate Request\n");
662 goto end;
663 }
664 }
665 if (x509) {
666 EVP_PKEY *tmppkey;
667 X509V3_CTX ext_ctx;
668 if ((x509ss = X509_new()) == NULL)
669 goto end;
670
671 /* Set version to V3 */
672 if (extensions && !X509_set_version(x509ss, 2))
673 goto end;
674 if (serial) {
675 if (!X509_set_serialNumber(x509ss, serial))
676 goto end;
677 } else {
678 if (!rand_serial(NULL, X509_get_serialNumber(x509ss)))
679 goto end;
680 }
681
682 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
683 goto end;
684 if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0))
685 goto end;
686 if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL))
687 goto end;
688 if (!X509_set_subject_name
689 (x509ss, X509_REQ_get_subject_name(req)))
690 goto end;
691 tmppkey = X509_REQ_get_pubkey(req);
692 if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
693 goto end;
694 EVP_PKEY_free(tmppkey);
695
696 /* Set up V3 context struct */
697
698 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
699 X509V3_set_nconf(&ext_ctx, req_conf);
700
701 /* Add extensions */
702 if (extensions && !X509V3_EXT_add_nconf(req_conf,
703 &ext_ctx, extensions,
704 x509ss)) {
705 BIO_printf(bio_err, "Error Loading extension section %s\n",
706 extensions);
707 goto end;
708 }
709
710 i = do_X509_sign(x509ss, pkey, digest, sigopts);
711 if (!i) {
712 ERR_print_errors(bio_err);
713 goto end;
714 }
715 } else {
716 X509V3_CTX ext_ctx;
717
718 /* Set up V3 context struct */
719
720 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
721 X509V3_set_nconf(&ext_ctx, req_conf);
722
723 /* Add extensions */
724 if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
725 &ext_ctx, req_exts,
726 req)) {
727 BIO_printf(bio_err, "Error Loading extension section %s\n",
728 req_exts);
729 goto end;
730 }
731 i = do_X509_REQ_sign(req, pkey, digest, sigopts);
732 if (!i) {
733 ERR_print_errors(bio_err);
734 goto end;
735 }
736 }
737 }
738
739 if (subj && x509) {
740 BIO_printf(bio_err, "Cannot modify certificate subject\n");
741 goto end;
742 }
743
744 if (subj && !x509) {
745 if (verbose) {
746 BIO_printf(bio_err, "Modifying Request's Subject\n");
747 print_name(bio_err, "old subject=",
748 X509_REQ_get_subject_name(req), nmflag);
749 }
750
751 if (build_subject(req, subj, chtype, multirdn) == 0) {
752 BIO_printf(bio_err, "ERROR: cannot modify subject\n");
753 ret = 1;
754 goto end;
755 }
756
757 req->req_info->enc.modified = 1;
758
759 if (verbose) {
760 print_name(bio_err, "new subject=",
761 X509_REQ_get_subject_name(req), nmflag);
762 }
763 }
764
765 if (verify && !x509) {
766 int tmp = 0;
767
768 if (pkey == NULL) {
769 pkey = X509_REQ_get_pubkey(req);
770 tmp = 1;
771 if (pkey == NULL)
772 goto end;
773 }
774
775 i = X509_REQ_verify(req, pkey);
776 if (tmp) {
777 EVP_PKEY_free(pkey);
778 pkey = NULL;
779 }
780
781 if (i < 0) {
782 goto end;
783 } else if (i == 0) {
784 BIO_printf(bio_err, "verify failure\n");
785 ERR_print_errors(bio_err);
786 } else /* if (i > 0) */
787 BIO_printf(bio_err, "verify OK\n");
788 }
789
790 if (noout && !text && !modulus && !subject && !pubkey) {
791 ret = 0;
792 goto end;
793 }
794
795 out = bio_open_default(outfile,
796 keyout != NULL && outfile != NULL &&
797 strcmp(keyout, outfile) == 0 ? "a" : "w");
798 if (out == NULL)
799 goto end;
800
801 if (pubkey) {
802 EVP_PKEY *tpubkey;
803 tpubkey = X509_REQ_get_pubkey(req);
804 if (tpubkey == NULL) {
805 BIO_printf(bio_err, "Error getting public key\n");
806 ERR_print_errors(bio_err);
807 goto end;
808 }
809 PEM_write_bio_PUBKEY(out, tpubkey);
810 EVP_PKEY_free(tpubkey);
811 }
812
813 if (text) {
814 if (x509)
815 X509_print_ex(out, x509ss, nmflag, reqflag);
816 else
817 X509_REQ_print_ex(out, req, nmflag, reqflag);
818 }
819
820 if (subject) {
821 if (x509)
822 print_name(out, "subject=", X509_get_subject_name(x509ss),
823 nmflag);
824 else
825 print_name(out, "subject=", X509_REQ_get_subject_name(req),
826 nmflag);
827 }
828
829 if (modulus) {
830 EVP_PKEY *tpubkey;
831
832 if (x509)
833 tpubkey = X509_get_pubkey(x509ss);
834 else
835 tpubkey = X509_REQ_get_pubkey(req);
836 if (tpubkey == NULL) {
837 fprintf(stdout, "Modulus=unavailable\n");
838 goto end;
839 }
840 fprintf(stdout, "Modulus=");
841 #ifndef OPENSSL_NO_RSA
842 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
843 BN_print(out, tpubkey->pkey.rsa->n);
844 else
845 #endif
846 fprintf(stdout, "Wrong Algorithm type");
847 EVP_PKEY_free(tpubkey);
848 fprintf(stdout, "\n");
849 }
850
851 if (!noout && !x509) {
852 if (outformat == FORMAT_ASN1)
853 i = i2d_X509_REQ_bio(out, req);
854 else if (newhdr)
855 i = PEM_write_bio_X509_REQ_NEW(out, req);
856 else
857 i = PEM_write_bio_X509_REQ(out, req);
858 if (!i) {
859 BIO_printf(bio_err, "unable to write X509 request\n");
860 goto end;
861 }
862 }
863 if (!noout && x509 && (x509ss != NULL)) {
864 if (outformat == FORMAT_ASN1)
865 i = i2d_X509_bio(out, x509ss);
866 else
867 i = PEM_write_bio_X509(out, x509ss);
868 if (!i) {
869 BIO_printf(bio_err, "unable to write X509 certificate\n");
870 goto end;
871 }
872 }
873 ret = 0;
874 end:
875 if (ret) {
876 ERR_print_errors(bio_err);
877 }
878 if ((req_conf != NULL) && (req_conf != config))
879 NCONF_free(req_conf);
880 BIO_free(in);
881 BIO_free_all(out);
882 EVP_PKEY_free(pkey);
883 EVP_PKEY_CTX_free(genctx);
884 if (pkeyopts)
885 sk_OPENSSL_STRING_free(pkeyopts);
886 if (sigopts)
887 sk_OPENSSL_STRING_free(sigopts);
888 #ifndef OPENSSL_NO_ENGINE
889 if (gen_eng)
890 ENGINE_free(gen_eng);
891 #endif
892 if (keyalgstr)
893 OPENSSL_free(keyalgstr);
894 X509_REQ_free(req);
895 X509_free(x509ss);
896 ASN1_INTEGER_free(serial);
897 if (passargin && passin)
898 OPENSSL_free(passin);
899 if (passargout && passout)
900 OPENSSL_free(passout);
901 OBJ_cleanup();
902 return (ret);
903 }
904
905 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
906 int attribs, unsigned long chtype)
907 {
908 int ret = 0, i;
909 char no_prompt = 0;
910 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
911 char *tmp, *dn_sect, *attr_sect;
912
913 tmp = NCONF_get_string(req_conf, SECTION, PROMPT);
914 if (tmp == NULL)
915 ERR_clear_error();
916 if ((tmp != NULL) && !strcmp(tmp, "no"))
917 no_prompt = 1;
918
919 dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME);
920 if (dn_sect == NULL) {
921 BIO_printf(bio_err, "unable to find '%s' in config\n",
922 DISTINGUISHED_NAME);
923 goto err;
924 }
925 dn_sk = NCONF_get_section(req_conf, dn_sect);
926 if (dn_sk == NULL) {
927 BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
928 goto err;
929 }
930
931 attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES);
932 if (attr_sect == NULL) {
933 ERR_clear_error();
934 attr_sk = NULL;
935 } else {
936 attr_sk = NCONF_get_section(req_conf, attr_sect);
937 if (attr_sk == NULL) {
938 BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
939 goto err;
940 }
941 }
942
943 /* setup version number */
944 if (!X509_REQ_set_version(req, 0L))
945 goto err; /* version 1 */
946
947 if (subj)
948 i = build_subject(req, subj, chtype, multirdn);
949 else if (no_prompt)
950 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
951 else
952 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs,
953 chtype);
954 if (!i)
955 goto err;
956
957 if (!X509_REQ_set_pubkey(req, pkey))
958 goto err;
959
960 ret = 1;
961 err:
962 return (ret);
963 }
964
965 /*
966 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
967 * where characters may be escaped by \
968 */
969 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype,
970 int multirdn)
971 {
972 X509_NAME *n;
973
974 if (!(n = parse_name(subject, chtype, multirdn)))
975 return 0;
976
977 if (!X509_REQ_set_subject_name(req, n)) {
978 X509_NAME_free(n);
979 return 0;
980 }
981 X509_NAME_free(n);
982 return 1;
983 }
984
985 static int prompt_info(X509_REQ *req,
986 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
987 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect,
988 int attribs, unsigned long chtype)
989 {
990 int i;
991 char *p, *q;
992 char buf[100];
993 int nid, mval;
994 long n_min, n_max;
995 char *type, *value;
996 const char *def;
997 CONF_VALUE *v;
998 X509_NAME *subj;
999 subj = X509_REQ_get_subject_name(req);
1000
1001 if (!batch) {
1002 BIO_printf(bio_err,
1003 "You are about to be asked to enter information that will be incorporated\n");
1004 BIO_printf(bio_err, "into your certificate request.\n");
1005 BIO_printf(bio_err,
1006 "What you are about to enter is what is called a Distinguished Name or a DN.\n");
1007 BIO_printf(bio_err,
1008 "There are quite a few fields but you can leave some blank\n");
1009 BIO_printf(bio_err,
1010 "For some fields there will be a default value,\n");
1011 BIO_printf(bio_err,
1012 "If you enter '.', the field will be left blank.\n");
1013 BIO_printf(bio_err, "-----\n");
1014 }
1015
1016 if (sk_CONF_VALUE_num(dn_sk)) {
1017 i = -1;
1018 start:for (;;) {
1019 i++;
1020 if (sk_CONF_VALUE_num(dn_sk) <= i)
1021 break;
1022
1023 v = sk_CONF_VALUE_value(dn_sk, i);
1024 p = q = NULL;
1025 type = v->name;
1026 if (!check_end(type, "_min") || !check_end(type, "_max") ||
1027 !check_end(type, "_default") || !check_end(type, "_value"))
1028 continue;
1029 /*
1030 * Skip past any leading X. X: X, etc to allow for multiple
1031 * instances
1032 */
1033 for (p = v->name; *p; p++)
1034 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1035 p++;
1036 if (*p)
1037 type = p;
1038 break;
1039 }
1040 if (*type == '+') {
1041 mval = -1;
1042 type++;
1043 } else
1044 mval = 0;
1045 /* If OBJ not recognised ignore it */
1046 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1047 goto start;
1048 if (BIO_snprintf(buf, sizeof buf, "%s_default", v->name)
1049 >= (int)sizeof(buf)) {
1050 BIO_printf(bio_err, "Name '%s' too long\n", v->name);
1051 return 0;
1052 }
1053
1054 if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1055 ERR_clear_error();
1056 def = "";
1057 }
1058
1059 BIO_snprintf(buf, sizeof buf, "%s_value", v->name);
1060 if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1061 ERR_clear_error();
1062 value = NULL;
1063 }
1064
1065 BIO_snprintf(buf, sizeof buf, "%s_min", v->name);
1066 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1067 ERR_clear_error();
1068 n_min = -1;
1069 }
1070
1071 BIO_snprintf(buf, sizeof buf, "%s_max", v->name);
1072 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1073 ERR_clear_error();
1074 n_max = -1;
1075 }
1076
1077 if (!add_DN_object(subj, v->value, def, value, nid,
1078 n_min, n_max, chtype, mval))
1079 return 0;
1080 }
1081 if (X509_NAME_entry_count(subj) == 0) {
1082 BIO_printf(bio_err,
1083 "error, no objects specified in config file\n");
1084 return 0;
1085 }
1086
1087 if (attribs) {
1088 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0)
1089 && (!batch)) {
1090 BIO_printf(bio_err,
1091 "\nPlease enter the following 'extra' attributes\n");
1092 BIO_printf(bio_err,
1093 "to be sent with your certificate request\n");
1094 }
1095
1096 i = -1;
1097 start2: for (;;) {
1098 i++;
1099 if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i))
1100 break;
1101
1102 v = sk_CONF_VALUE_value(attr_sk, i);
1103 type = v->name;
1104 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1105 goto start2;
1106
1107 if (BIO_snprintf(buf, sizeof buf, "%s_default", type)
1108 >= (int)sizeof(buf)) {
1109 BIO_printf(bio_err, "Name '%s' too long\n", v->name);
1110 return 0;
1111 }
1112
1113 if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1114 == NULL) {
1115 ERR_clear_error();
1116 def = "";
1117 }
1118
1119 BIO_snprintf(buf, sizeof buf, "%s_value", type);
1120 if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1121 == NULL) {
1122 ERR_clear_error();
1123 value = NULL;
1124 }
1125
1126 BIO_snprintf(buf, sizeof buf, "%s_min", type);
1127 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1128 ERR_clear_error();
1129 n_min = -1;
1130 }
1131
1132 BIO_snprintf(buf, sizeof buf, "%s_max", type);
1133 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1134 ERR_clear_error();
1135 n_max = -1;
1136 }
1137
1138 if (!add_attribute_object(req,
1139 v->value, def, value, nid, n_min,
1140 n_max, chtype))
1141 return 0;
1142 }
1143 }
1144 } else {
1145 BIO_printf(bio_err, "No template, please set one up.\n");
1146 return 0;
1147 }
1148
1149 return 1;
1150
1151 }
1152
1153 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1154 STACK_OF(CONF_VALUE) *attr_sk, int attribs,
1155 unsigned long chtype)
1156 {
1157 int i;
1158 char *p, *q;
1159 char *type;
1160 CONF_VALUE *v;
1161 X509_NAME *subj;
1162
1163 subj = X509_REQ_get_subject_name(req);
1164
1165 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1166 int mval;
1167 v = sk_CONF_VALUE_value(dn_sk, i);
1168 p = q = NULL;
1169 type = v->name;
1170 /*
1171 * Skip past any leading X. X: X, etc to allow for multiple instances
1172 */
1173 for (p = v->name; *p; p++)
1174 #ifndef CHARSET_EBCDIC
1175 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1176 #else
1177 if ((*p == os_toascii[':']) || (*p == os_toascii[','])
1178 || (*p == os_toascii['.'])) {
1179 #endif
1180 p++;
1181 if (*p)
1182 type = p;
1183 break;
1184 }
1185 #ifndef CHARSET_EBCDIC
1186 if (*p == '+')
1187 #else
1188 if (*p == os_toascii['+'])
1189 #endif
1190 {
1191 p++;
1192 mval = -1;
1193 } else
1194 mval = 0;
1195 if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1196 (unsigned char *)v->value, -1, -1,
1197 mval))
1198 return 0;
1199
1200 }
1201
1202 if (!X509_NAME_entry_count(subj)) {
1203 BIO_printf(bio_err, "error, no objects specified in config file\n");
1204 return 0;
1205 }
1206 if (attribs) {
1207 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1208 v = sk_CONF_VALUE_value(attr_sk, i);
1209 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1210 (unsigned char *)v->value, -1))
1211 return 0;
1212 }
1213 }
1214 return 1;
1215 }
1216
1217 static int add_DN_object(X509_NAME *n, char *text, const char *def,
1218 char *value, int nid, int n_min, int n_max,
1219 unsigned long chtype, int mval)
1220 {
1221 int i, ret = 0;
1222 char buf[1024];
1223 start:
1224 if (!batch)
1225 BIO_printf(bio_err, "%s [%s]:", text, def);
1226 (void)BIO_flush(bio_err);
1227 if (value != NULL) {
1228 BUF_strlcpy(buf, value, sizeof buf);
1229 BUF_strlcat(buf, "\n", sizeof buf);
1230 BIO_printf(bio_err, "%s\n", value);
1231 } else {
1232 buf[0] = '\0';
1233 if (!batch) {
1234 if (!fgets(buf, sizeof buf, stdin))
1235 return 0;
1236 } else {
1237 buf[0] = '\n';
1238 buf[1] = '\0';
1239 }
1240 }
1241
1242 if (buf[0] == '\0')
1243 return (0);
1244 else if (buf[0] == '\n') {
1245 if ((def == NULL) || (def[0] == '\0'))
1246 return (1);
1247 BUF_strlcpy(buf, def, sizeof buf);
1248 BUF_strlcat(buf, "\n", sizeof buf);
1249 } else if ((buf[0] == '.') && (buf[1] == '\n'))
1250 return (1);
1251
1252 i = strlen(buf);
1253 if (buf[i - 1] != '\n') {
1254 BIO_printf(bio_err, "weird input :-(\n");
1255 return (0);
1256 }
1257 buf[--i] = '\0';
1258 #ifdef CHARSET_EBCDIC
1259 ebcdic2ascii(buf, buf, i);
1260 #endif
1261 if (!req_check_len(i, n_min, n_max)) {
1262 if (batch || value)
1263 return 0;
1264 goto start;
1265 }
1266
1267 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1268 (unsigned char *)buf, -1, -1, mval))
1269 goto err;
1270 ret = 1;
1271 err:
1272 return (ret);
1273 }
1274
1275 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1276 char *value, int nid, int n_min,
1277 int n_max, unsigned long chtype)
1278 {
1279 int i;
1280 static char buf[1024];
1281
1282 start:
1283 if (!batch)
1284 BIO_printf(bio_err, "%s [%s]:", text, def);
1285 (void)BIO_flush(bio_err);
1286 if (value != NULL) {
1287 BUF_strlcpy(buf, value, sizeof buf);
1288 BUF_strlcat(buf, "\n", sizeof buf);
1289 BIO_printf(bio_err, "%s\n", value);
1290 } else {
1291 buf[0] = '\0';
1292 if (!batch) {
1293 if (!fgets(buf, sizeof buf, stdin))
1294 return 0;
1295 } else {
1296 buf[0] = '\n';
1297 buf[1] = '\0';
1298 }
1299 }
1300
1301 if (buf[0] == '\0')
1302 return (0);
1303 else if (buf[0] == '\n') {
1304 if ((def == NULL) || (def[0] == '\0'))
1305 return (1);
1306 BUF_strlcpy(buf, def, sizeof buf);
1307 BUF_strlcat(buf, "\n", sizeof buf);
1308 } else if ((buf[0] == '.') && (buf[1] == '\n'))
1309 return (1);
1310
1311 i = strlen(buf);
1312 if (buf[i - 1] != '\n') {
1313 BIO_printf(bio_err, "weird input :-(\n");
1314 return (0);
1315 }
1316 buf[--i] = '\0';
1317 #ifdef CHARSET_EBCDIC
1318 ebcdic2ascii(buf, buf, i);
1319 #endif
1320 if (!req_check_len(i, n_min, n_max)) {
1321 if (batch || value)
1322 return 0;
1323 goto start;
1324 }
1325
1326 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1327 (unsigned char *)buf, -1)) {
1328 BIO_printf(bio_err, "Error adding attribute\n");
1329 ERR_print_errors(bio_err);
1330 goto err;
1331 }
1332
1333 return (1);
1334 err:
1335 return (0);
1336 }
1337
1338 static int req_check_len(int len, int n_min, int n_max)
1339 {
1340 if ((n_min > 0) && (len < n_min)) {
1341 BIO_printf(bio_err,
1342 "string is too short, it needs to be at least %d bytes long\n",
1343 n_min);
1344 return (0);
1345 }
1346 if ((n_max >= 0) && (len > n_max)) {
1347 BIO_printf(bio_err,
1348 "string is too long, it needs to be less than %d bytes long\n",
1349 n_max);
1350 return (0);
1351 }
1352 return (1);
1353 }
1354
1355 /* Check if the end of a string matches 'end' */
1356 static int check_end(const char *str, const char *end)
1357 {
1358 int elen, slen;
1359 const char *tmp;
1360 elen = strlen(end);
1361 slen = strlen(str);
1362 if (elen > slen)
1363 return 1;
1364 tmp = str + slen - elen;
1365 return strcmp(tmp, end);
1366 }
1367
1368 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
1369 int *pkey_type, long *pkeylen,
1370 char **palgnam, ENGINE *keygen_engine)
1371 {
1372 EVP_PKEY_CTX *gctx = NULL;
1373 EVP_PKEY *param = NULL;
1374 long keylen = -1;
1375 BIO *pbio = NULL;
1376 const char *paramfile = NULL;
1377
1378 if (gstr == NULL) {
1379 *pkey_type = EVP_PKEY_RSA;
1380 keylen = *pkeylen;
1381 } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1382 *pkey_type = EVP_PKEY_RSA;
1383 keylen = atol(gstr);
1384 *pkeylen = keylen;
1385 } else if (!strncmp(gstr, "param:", 6))
1386 paramfile = gstr + 6;
1387 else {
1388 const char *p = strchr(gstr, ':');
1389 int len;
1390 ENGINE *tmpeng;
1391 const EVP_PKEY_ASN1_METHOD *ameth;
1392
1393 if (p)
1394 len = p - gstr;
1395 else
1396 len = strlen(gstr);
1397 /*
1398 * The lookup of a the string will cover all engines so keep a note
1399 * of the implementation.
1400 */
1401
1402 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1403
1404 if (!ameth) {
1405 BIO_printf(bio_err, "Unknown algorithm %.*s\n", len, gstr);
1406 return NULL;
1407 }
1408
1409 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, ameth);
1410 #ifndef OPENSSL_NO_ENGINE
1411 if (tmpeng)
1412 ENGINE_finish(tmpeng);
1413 #endif
1414 if (*pkey_type == EVP_PKEY_RSA) {
1415 if (p) {
1416 keylen = atol(p + 1);
1417 *pkeylen = keylen;
1418 } else
1419 keylen = *pkeylen;
1420 } else if (p)
1421 paramfile = p + 1;
1422 }
1423
1424 if (paramfile) {
1425 pbio = BIO_new_file(paramfile, "r");
1426 if (!pbio) {
1427 BIO_printf(bio_err, "Can't open parameter file %s\n", paramfile);
1428 return NULL;
1429 }
1430 param = PEM_read_bio_Parameters(pbio, NULL);
1431
1432 if (!param) {
1433 X509 *x;
1434 (void)BIO_reset(pbio);
1435 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1436 if (x) {
1437 param = X509_get_pubkey(x);
1438 X509_free(x);
1439 }
1440 }
1441
1442 BIO_free(pbio);
1443
1444 if (!param) {
1445 BIO_printf(bio_err, "Error reading parameter file %s\n", paramfile);
1446 return NULL;
1447 }
1448 if (*pkey_type == -1)
1449 *pkey_type = EVP_PKEY_id(param);
1450 else if (*pkey_type != EVP_PKEY_base_id(param)) {
1451 BIO_printf(bio_err, "Key Type does not match parameters\n");
1452 EVP_PKEY_free(param);
1453 return NULL;
1454 }
1455 }
1456
1457 if (palgnam) {
1458 const EVP_PKEY_ASN1_METHOD *ameth;
1459 ENGINE *tmpeng;
1460 const char *anam;
1461 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1462 if (!ameth) {
1463 BIO_puts(bio_err, "Internal error: can't find key algorithm\n");
1464 return NULL;
1465 }
1466 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1467 *palgnam = BUF_strdup(anam);
1468 #ifndef OPENSSL_NO_ENGINE
1469 if (tmpeng)
1470 ENGINE_finish(tmpeng);
1471 #endif
1472 }
1473
1474 if (param) {
1475 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1476 *pkeylen = EVP_PKEY_bits(param);
1477 EVP_PKEY_free(param);
1478 } else
1479 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1480
1481 if (!gctx) {
1482 BIO_puts(bio_err, "Error allocating keygen context\n");
1483 ERR_print_errors(bio_err);
1484 return NULL;
1485 }
1486
1487 if (EVP_PKEY_keygen_init(gctx) <= 0) {
1488 BIO_puts(bio_err, "Error initializing keygen context\n");
1489 ERR_print_errors(bio_err);
1490 return NULL;
1491 }
1492 #ifndef OPENSSL_NO_RSA
1493 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) {
1494 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) {
1495 BIO_puts(bio_err, "Error setting RSA keysize\n");
1496 ERR_print_errors(bio_err);
1497 EVP_PKEY_CTX_free(gctx);
1498 return NULL;
1499 }
1500 }
1501 #endif
1502
1503 return gctx;
1504 }
1505
1506 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1507 {
1508 char c = '*';
1509 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1510 int p;
1511 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1512 if (p == 0)
1513 c = '.';
1514 if (p == 1)
1515 c = '+';
1516 if (p == 2)
1517 c = '*';
1518 if (p == 3)
1519 c = '\n';
1520 BIO_write(b, &c, 1);
1521 (void)BIO_flush(b);
1522 return 1;
1523 }
1524
1525 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1526 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1527 {
1528 EVP_PKEY_CTX *pkctx = NULL;
1529 int i;
1530
1531 EVP_MD_CTX_init(ctx);
1532 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1533 return 0;
1534 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1535 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1536 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1537 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
1538 ERR_print_errors(bio_err);
1539 return 0;
1540 }
1541 }
1542 return 1;
1543 }
1544
1545 int do_X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
1546 STACK_OF(OPENSSL_STRING) *sigopts)
1547 {
1548 int rv;
1549 EVP_MD_CTX mctx;
1550
1551 EVP_MD_CTX_init(&mctx);
1552 rv = do_sign_init(&mctx, pkey, md, sigopts);
1553 if (rv > 0)
1554 rv = X509_sign_ctx(x, &mctx);
1555 EVP_MD_CTX_cleanup(&mctx);
1556 return rv > 0 ? 1 : 0;
1557 }
1558
1559 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
1560 STACK_OF(OPENSSL_STRING) *sigopts)
1561 {
1562 int rv;
1563 EVP_MD_CTX mctx;
1564
1565 EVP_MD_CTX_init(&mctx);
1566 rv = do_sign_init(&mctx, pkey, md, sigopts);
1567 if (rv > 0)
1568 rv = X509_REQ_sign_ctx(x, &mctx);
1569 EVP_MD_CTX_cleanup(&mctx);
1570 return rv > 0 ? 1 : 0;
1571 }
1572
1573 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
1574 STACK_OF(OPENSSL_STRING) *sigopts)
1575 {
1576 int rv;
1577 EVP_MD_CTX mctx;
1578
1579 EVP_MD_CTX_init(&mctx);
1580 rv = do_sign_init(&mctx, pkey, md, sigopts);
1581 if (rv > 0)
1582 rv = X509_CRL_sign_ctx(x, &mctx);
1583 EVP_MD_CTX_cleanup(&mctx);
1584 return rv > 0 ? 1 : 0;
1585 }
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