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-rw-r--r--src/usr.bin/openssl/req.c1602
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diff --git a/src/usr.bin/openssl/req.c b/src/usr.bin/openssl/req.c
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1/* $OpenBSD: req.c,v 1.1 2014/08/26 17:47:25 jsing Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59/* Until the key-gen callbacks are modified to use newer prototypes, we allow
60 * deprecated functions for openssl-internal code */
61#ifdef OPENSSL_NO_DEPRECATED
62#undef OPENSSL_NO_DEPRECATED
63#endif
64
65#include <stdio.h>
66#include <stdlib.h>
67#include <limits.h>
68#include <string.h>
69#include <time.h>
70
71#include "apps.h"
72
73#include <openssl/asn1.h>
74#include <openssl/bio.h>
75#include <openssl/bn.h>
76#include <openssl/conf.h>
77#include <openssl/err.h>
78#include <openssl/evp.h>
79#include <openssl/objects.h>
80#include <openssl/pem.h>
81#include <openssl/x509.h>
82#include <openssl/x509v3.h>
83
84#include <openssl/dsa.h>
85
86#include <openssl/rsa.h>
87
88#define SECTION "req"
89
90#define BITS "default_bits"
91#define KEYFILE "default_keyfile"
92#define PROMPT "prompt"
93#define DISTINGUISHED_NAME "distinguished_name"
94#define ATTRIBUTES "attributes"
95#define V3_EXTENSIONS "x509_extensions"
96#define REQ_EXTENSIONS "req_extensions"
97#define STRING_MASK "string_mask"
98#define UTF8_IN "utf8"
99
100#define DEFAULT_KEY_LENGTH 512
101#define MIN_KEY_LENGTH 384
102
103
104/* -inform arg - input format - default PEM (DER or PEM)
105 * -outform arg - output format - default PEM
106 * -in arg - input file - default stdin
107 * -out arg - output file - default stdout
108 * -verify - check request signature
109 * -noout - don't print stuff out.
110 * -text - print out human readable text.
111 * -nodes - no des encryption
112 * -config file - Load configuration file.
113 * -key file - make a request using key in file (or use it for verification).
114 * -keyform arg - key file format.
115 * -newkey - make a key and a request.
116 * -modulus - print RSA modulus.
117 * -pubkey - output Public Key.
118 * -x509 - output a self signed X509 structure instead.
119 * -asn1-kludge - output new certificate request in a format that some CA's
120 * require. This format is wrong
121 */
122
123static int make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *dn, int mutlirdn,
124 int attribs, unsigned long chtype);
125static int build_subject(X509_REQ * req, char *subj, unsigned long chtype,
126 int multirdn);
127static int prompt_info(X509_REQ * req,
128 STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect,
129 STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs,
130 unsigned long chtype);
131static int auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * sk,
132 STACK_OF(CONF_VALUE) * attr, int attribs,
133 unsigned long chtype);
134static int add_attribute_object(X509_REQ * req, char *text, const char *def,
135 char *value, int nid, int n_min,
136 int n_max, unsigned long chtype);
137static int add_DN_object(X509_NAME * n, char *text, const char *def, char *value,
138 int nid, int n_min, int n_max, unsigned long chtype, int mval);
139static int genpkey_cb(EVP_PKEY_CTX * ctx);
140static int req_check_len(int len, int n_min, int n_max);
141static int check_end(const char *str, const char *end);
142static EVP_PKEY_CTX *set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type,
143 long *pkeylen, char **palgnam,
144 ENGINE * keygen_engine);
145static CONF *req_conf = NULL;
146static int batch = 0;
147
148int req_main(int, char **);
149
150int
151req_main(int argc, char **argv)
152{
153 ENGINE *e = NULL, *gen_eng = NULL;
154 unsigned long nmflag = 0, reqflag = 0;
155 int ex = 1, x509 = 0, days = 30;
156 X509 *x509ss = NULL;
157 X509_REQ *req = NULL;
158 EVP_PKEY_CTX *genctx = NULL;
159 const char *keyalg = NULL;
160 char *keyalgstr = NULL;
161 STACK_OF(OPENSSL_STRING) * pkeyopts = NULL, *sigopts = NULL;
162 EVP_PKEY *pkey = NULL;
163 int i = 0, badops = 0, newreq = 0, verbose = 0, pkey_type = -1;
164 long newkey = -1;
165 BIO *in = NULL, *out = NULL;
166 int informat, outformat, verify = 0, noout = 0, text = 0, keyform = FORMAT_PEM;
167 int nodes = 0, kludge = 0, newhdr = 0, subject = 0, pubkey = 0;
168 char *infile, *outfile, *prog, *keyfile = NULL, *template = NULL,
169 *keyout = NULL;
170#ifndef OPENSSL_NO_ENGINE
171 char *engine = NULL;
172#endif
173 char *extensions = NULL;
174 char *req_exts = NULL;
175 const EVP_CIPHER *cipher = NULL;
176 ASN1_INTEGER *serial = NULL;
177 int modulus = 0;
178 char *passargin = NULL, *passargout = NULL;
179 char *passin = NULL, *passout = NULL;
180 char *p;
181 char *subj = NULL;
182 int multirdn = 0;
183 const EVP_MD *md_alg = NULL, *digest = NULL;
184 unsigned long chtype = MBSTRING_ASC;
185
186 req_conf = NULL;
187#ifndef OPENSSL_NO_DES
188 cipher = EVP_des_ede3_cbc();
189#endif
190
191 infile = NULL;
192 outfile = NULL;
193 informat = FORMAT_PEM;
194 outformat = FORMAT_PEM;
195
196 prog = argv[0];
197 argc--;
198 argv++;
199 while (argc >= 1) {
200 if (strcmp(*argv, "-inform") == 0) {
201 if (--argc < 1)
202 goto bad;
203 informat = str2fmt(*(++argv));
204 } else if (strcmp(*argv, "-outform") == 0) {
205 if (--argc < 1)
206 goto bad;
207 outformat = str2fmt(*(++argv));
208 }
209#ifndef OPENSSL_NO_ENGINE
210 else if (strcmp(*argv, "-engine") == 0) {
211 if (--argc < 1)
212 goto bad;
213 engine = *(++argv);
214 } else if (strcmp(*argv, "-keygen_engine") == 0) {
215 if (--argc < 1)
216 goto bad;
217 gen_eng = ENGINE_by_id(*(++argv));
218 if (gen_eng == NULL) {
219 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
220 goto end;
221 }
222 }
223#endif
224 else if (strcmp(*argv, "-key") == 0) {
225 if (--argc < 1)
226 goto bad;
227 keyfile = *(++argv);
228 } else if (strcmp(*argv, "-pubkey") == 0) {
229 pubkey = 1;
230 } else if (strcmp(*argv, "-new") == 0) {
231 newreq = 1;
232 } else if (strcmp(*argv, "-config") == 0) {
233 if (--argc < 1)
234 goto bad;
235 template = *(++argv);
236 } else if (strcmp(*argv, "-keyform") == 0) {
237 if (--argc < 1)
238 goto bad;
239 keyform = str2fmt(*(++argv));
240 } else if (strcmp(*argv, "-in") == 0) {
241 if (--argc < 1)
242 goto bad;
243 infile = *(++argv);
244 } else if (strcmp(*argv, "-out") == 0) {
245 if (--argc < 1)
246 goto bad;
247 outfile = *(++argv);
248 } else if (strcmp(*argv, "-keyout") == 0) {
249 if (--argc < 1)
250 goto bad;
251 keyout = *(++argv);
252 } else if (strcmp(*argv, "-passin") == 0) {
253 if (--argc < 1)
254 goto bad;
255 passargin = *(++argv);
256 } else if (strcmp(*argv, "-passout") == 0) {
257 if (--argc < 1)
258 goto bad;
259 passargout = *(++argv);
260 } else if (strcmp(*argv, "-newkey") == 0) {
261 if (--argc < 1)
262 goto bad;
263 keyalg = *(++argv);
264 newreq = 1;
265 } else if (strcmp(*argv, "-pkeyopt") == 0) {
266 if (--argc < 1)
267 goto bad;
268 if (!pkeyopts)
269 pkeyopts = sk_OPENSSL_STRING_new_null();
270 if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv)))
271 goto bad;
272 } else if (strcmp(*argv, "-sigopt") == 0) {
273 if (--argc < 1)
274 goto bad;
275 if (!sigopts)
276 sigopts = sk_OPENSSL_STRING_new_null();
277 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
278 goto bad;
279 } else if (strcmp(*argv, "-batch") == 0)
280 batch = 1;
281 else if (strcmp(*argv, "-newhdr") == 0)
282 newhdr = 1;
283 else if (strcmp(*argv, "-modulus") == 0)
284 modulus = 1;
285 else if (strcmp(*argv, "-verify") == 0)
286 verify = 1;
287 else if (strcmp(*argv, "-nodes") == 0)
288 nodes = 1;
289 else if (strcmp(*argv, "-noout") == 0)
290 noout = 1;
291 else if (strcmp(*argv, "-verbose") == 0)
292 verbose = 1;
293 else if (strcmp(*argv, "-utf8") == 0)
294 chtype = MBSTRING_UTF8;
295 else if (strcmp(*argv, "-nameopt") == 0) {
296 if (--argc < 1)
297 goto bad;
298 if (!set_name_ex(&nmflag, *(++argv)))
299 goto bad;
300 } else if (strcmp(*argv, "-reqopt") == 0) {
301 if (--argc < 1)
302 goto bad;
303 if (!set_cert_ex(&reqflag, *(++argv)))
304 goto bad;
305 } else if (strcmp(*argv, "-subject") == 0)
306 subject = 1;
307 else if (strcmp(*argv, "-text") == 0)
308 text = 1;
309 else if (strcmp(*argv, "-x509") == 0)
310 x509 = 1;
311 else if (strcmp(*argv, "-asn1-kludge") == 0)
312 kludge = 1;
313 else if (strcmp(*argv, "-no-asn1-kludge") == 0)
314 kludge = 0;
315 else if (strcmp(*argv, "-subj") == 0) {
316 if (--argc < 1)
317 goto bad;
318 subj = *(++argv);
319 } else if (strcmp(*argv, "-multivalue-rdn") == 0)
320 multirdn = 1;
321 else if (strcmp(*argv, "-days") == 0) {
322 const char *errstr;
323
324 if (--argc < 1)
325 goto bad;
326 days = strtonum(*(++argv), 1, INT_MAX, &errstr);
327 if (errstr) {
328 BIO_printf(bio_err, "bad -days %s, using 0: %s\n",
329 *argv, errstr);
330 days = 30;
331 }
332 } else if (strcmp(*argv, "-set_serial") == 0) {
333 if (--argc < 1)
334 goto bad;
335 serial = s2i_ASN1_INTEGER(NULL, *(++argv));
336 if (!serial)
337 goto bad;
338 } else if (strcmp(*argv, "-extensions") == 0) {
339 if (--argc < 1)
340 goto bad;
341 extensions = *(++argv);
342 } else if (strcmp(*argv, "-reqexts") == 0) {
343 if (--argc < 1)
344 goto bad;
345 req_exts = *(++argv);
346 } else if ((md_alg = EVP_get_digestbyname(&((*argv)[1]))) != NULL) {
347 /* ok */
348 digest = md_alg;
349 } else {
350 BIO_printf(bio_err, "unknown option %s\n", *argv);
351 badops = 1;
352 break;
353 }
354 argc--;
355 argv++;
356 }
357
358 if (badops) {
359bad:
360 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
361 BIO_printf(bio_err, "where options are\n");
362 BIO_printf(bio_err, " -inform arg input format - DER or PEM\n");
363 BIO_printf(bio_err, " -outform arg output format - DER or PEM\n");
364 BIO_printf(bio_err, " -in arg input file\n");
365 BIO_printf(bio_err, " -out arg output file\n");
366 BIO_printf(bio_err, " -text text form of request\n");
367 BIO_printf(bio_err, " -pubkey output public key\n");
368 BIO_printf(bio_err, " -noout do not output REQ\n");
369 BIO_printf(bio_err, " -verify verify signature on REQ\n");
370 BIO_printf(bio_err, " -modulus RSA modulus\n");
371 BIO_printf(bio_err, " -nodes don't encrypt the output key\n");
372#ifndef OPENSSL_NO_ENGINE
373 BIO_printf(bio_err, " -engine e use engine e, possibly a hardware device\n");
374#endif
375 BIO_printf(bio_err, " -subject output the request's subject\n");
376 BIO_printf(bio_err, " -passin private key password source\n");
377 BIO_printf(bio_err, " -key file use the private key contained in file\n");
378 BIO_printf(bio_err, " -keyform arg key file format\n");
379 BIO_printf(bio_err, " -keyout arg file to send the key to\n");
380 BIO_printf(bio_err, " -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
381 BIO_printf(bio_err, " -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
382 BIO_printf(bio_err, " -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
383 BIO_printf(bio_err, " -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
384 BIO_printf(bio_err, " -config file request template file.\n");
385 BIO_printf(bio_err, " -subj arg set or modify request subject\n");
386 BIO_printf(bio_err, " -multivalue-rdn enable support for multivalued RDNs\n");
387 BIO_printf(bio_err, " -new new request.\n");
388 BIO_printf(bio_err, " -batch do not ask anything during request generation\n");
389 BIO_printf(bio_err, " -x509 output a x509 structure instead of a cert. req.\n");
390 BIO_printf(bio_err, " -days number of days a certificate generated by -x509 is valid for.\n");
391 BIO_printf(bio_err, " -set_serial serial number to use for a certificate generated by -x509.\n");
392 BIO_printf(bio_err, " -newhdr output \"NEW\" in the header lines\n");
393 BIO_printf(bio_err, " -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n");
394 BIO_printf(bio_err, " have been reported as requiring\n");
395 BIO_printf(bio_err, " -extensions .. specify certificate extension section (override value in config file)\n");
396 BIO_printf(bio_err, " -reqexts .. specify request extension section (override value in config file)\n");
397 BIO_printf(bio_err, " -utf8 input characters are UTF8 (default ASCII)\n");
398 BIO_printf(bio_err, " -nameopt arg - various certificate name options\n");
399 BIO_printf(bio_err, " -reqopt arg - various request text options\n\n");
400 goto end;
401 }
402 ERR_load_crypto_strings();
403 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
404 BIO_printf(bio_err, "Error getting passwords\n");
405 goto end;
406 }
407 if (template != NULL) {
408 long errline = -1;
409
410 if (verbose)
411 BIO_printf(bio_err, "Using configuration from %s\n", template);
412 req_conf = NCONF_new(NULL);
413 i = NCONF_load(req_conf, template, &errline);
414 if (i == 0) {
415 BIO_printf(bio_err, "error on line %ld of %s\n", errline, template);
416 goto end;
417 }
418 } else {
419 req_conf = config;
420
421 if (req_conf == NULL) {
422 BIO_printf(bio_err, "Unable to load config info from %s\n", default_config_file);
423 if (newreq)
424 goto end;
425 } else if (verbose)
426 BIO_printf(bio_err, "Using configuration from %s\n",
427 default_config_file);
428 }
429
430 if (req_conf != NULL) {
431 if (!load_config(bio_err, req_conf))
432 goto end;
433 p = NCONF_get_string(req_conf, NULL, "oid_file");
434 if (p == NULL)
435 ERR_clear_error();
436 if (p != NULL) {
437 BIO *oid_bio;
438
439 oid_bio = BIO_new_file(p, "r");
440 if (oid_bio == NULL) {
441 /*
442 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
443 ERR_print_errors(bio_err);
444 */
445 } else {
446 OBJ_create_objects(oid_bio);
447 BIO_free(oid_bio);
448 }
449 }
450 }
451 if (!add_oid_section(bio_err, req_conf))
452 goto end;
453
454 if (md_alg == NULL) {
455 p = NCONF_get_string(req_conf, SECTION, "default_md");
456 if (p == NULL)
457 ERR_clear_error();
458 if (p != NULL) {
459 if ((md_alg = EVP_get_digestbyname(p)) != NULL)
460 digest = md_alg;
461 }
462 }
463 if (!extensions) {
464 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
465 if (!extensions)
466 ERR_clear_error();
467 }
468 if (extensions) {
469 /* Check syntax of file */
470 X509V3_CTX ctx;
471 X509V3_set_ctx_test(&ctx);
472 X509V3_set_nconf(&ctx, req_conf);
473 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
474 BIO_printf(bio_err,
475 "Error Loading extension section %s\n", extensions);
476 goto end;
477 }
478 }
479 if (!passin) {
480 passin = NCONF_get_string(req_conf, SECTION, "input_password");
481 if (!passin)
482 ERR_clear_error();
483 }
484 if (!passout) {
485 passout = NCONF_get_string(req_conf, SECTION, "output_password");
486 if (!passout)
487 ERR_clear_error();
488 }
489 p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
490 if (!p)
491 ERR_clear_error();
492
493 if (p && !ASN1_STRING_set_default_mask_asc(p)) {
494 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
495 goto end;
496 }
497 if (chtype != MBSTRING_UTF8) {
498 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
499 if (!p)
500 ERR_clear_error();
501 else if (!strcmp(p, "yes"))
502 chtype = MBSTRING_UTF8;
503 }
504 if (!req_exts) {
505 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
506 if (!req_exts)
507 ERR_clear_error();
508 }
509 if (req_exts) {
510 /* Check syntax of file */
511 X509V3_CTX ctx;
512 X509V3_set_ctx_test(&ctx);
513 X509V3_set_nconf(&ctx, req_conf);
514 if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
515 BIO_printf(bio_err,
516 "Error Loading request extension section %s\n",
517 req_exts);
518 goto end;
519 }
520 }
521 in = BIO_new(BIO_s_file());
522 out = BIO_new(BIO_s_file());
523 if ((in == NULL) || (out == NULL))
524 goto end;
525
526#ifndef OPENSSL_NO_ENGINE
527 e = setup_engine(bio_err, engine, 0);
528#endif
529
530 if (keyfile != NULL) {
531 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
532 "Private Key");
533 if (!pkey) {
534 /*
535 * load_key() has already printed an appropriate
536 * message
537 */
538 goto end;
539 }
540 }
541 if (newreq && (pkey == NULL)) {
542 if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) {
543 newkey = DEFAULT_KEY_LENGTH;
544 }
545 if (keyalg) {
546 genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey,
547 &keyalgstr, gen_eng);
548 if (!genctx)
549 goto end;
550 }
551 if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) {
552 BIO_printf(bio_err, "private key length is too short,\n");
553 BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n", MIN_KEY_LENGTH, newkey);
554 goto end;
555 }
556 if (!genctx) {
557 genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
558 &keyalgstr, gen_eng);
559 if (!genctx)
560 goto end;
561 }
562 if (pkeyopts) {
563 char *genopt;
564 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
565 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
566 if (pkey_ctrl_string(genctx, genopt) <= 0) {
567 BIO_printf(bio_err,
568 "parameter error \"%s\"\n",
569 genopt);
570 ERR_print_errors(bio_err);
571 goto end;
572 }
573 }
574 }
575 BIO_printf(bio_err, "Generating a %ld bit %s private key\n",
576 newkey, keyalgstr);
577
578 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
579 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
580
581 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) {
582 BIO_puts(bio_err, "Error Generating Key\n");
583 goto end;
584 }
585 EVP_PKEY_CTX_free(genctx);
586 genctx = NULL;
587
588 if (keyout == NULL) {
589 keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
590 if (keyout == NULL)
591 ERR_clear_error();
592 }
593 if (keyout == NULL) {
594 BIO_printf(bio_err, "writing new private key to stdout\n");
595 BIO_set_fp(out, stdout, BIO_NOCLOSE);
596 } else {
597 BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
598 if (BIO_write_filename(out, keyout) <= 0) {
599 perror(keyout);
600 goto end;
601 }
602 }
603
604 p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
605 if (p == NULL) {
606 ERR_clear_error();
607 p = NCONF_get_string(req_conf, SECTION, "encrypt_key");
608 if (p == NULL)
609 ERR_clear_error();
610 }
611 if ((p != NULL) && (strcmp(p, "no") == 0))
612 cipher = NULL;
613 if (nodes)
614 cipher = NULL;
615
616 i = 0;
617loop:
618 if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
619 NULL, 0, NULL, passout)) {
620 if ((ERR_GET_REASON(ERR_peek_error()) ==
621 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
622 ERR_clear_error();
623 i++;
624 goto loop;
625 }
626 goto end;
627 }
628 BIO_printf(bio_err, "-----\n");
629 }
630 if (!newreq) {
631 /*
632 * Since we are using a pre-existing certificate request, the
633 * kludge 'format' info should not be changed.
634 */
635 kludge = -1;
636 if (infile == NULL)
637 BIO_set_fp(in, stdin, BIO_NOCLOSE);
638 else {
639 if (BIO_read_filename(in, infile) <= 0) {
640 perror(infile);
641 goto end;
642 }
643 }
644
645 if (informat == FORMAT_ASN1)
646 req = d2i_X509_REQ_bio(in, NULL);
647 else if (informat == FORMAT_PEM)
648 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
649 else {
650 BIO_printf(bio_err, "bad input format specified for X509 request\n");
651 goto end;
652 }
653 if (req == NULL) {
654 BIO_printf(bio_err, "unable to load X509 request\n");
655 goto end;
656 }
657 }
658 if (newreq || x509) {
659 if (pkey == NULL) {
660 BIO_printf(bio_err, "you need to specify a private key\n");
661 goto end;
662 }
663 if (req == NULL) {
664 req = X509_REQ_new();
665 if (req == NULL) {
666 goto end;
667 }
668 i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
669 subj = NULL; /* done processing '-subj' option */
670 if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) {
671 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
672 req->req_info->attributes = NULL;
673 }
674 if (!i) {
675 BIO_printf(bio_err, "problems making Certificate Request\n");
676 goto end;
677 }
678 }
679 if (x509) {
680 EVP_PKEY *tmppkey;
681 X509V3_CTX ext_ctx;
682 if ((x509ss = X509_new()) == NULL)
683 goto end;
684
685 /* Set version to V3 */
686 if (extensions && !X509_set_version(x509ss, 2))
687 goto end;
688 if (serial) {
689 if (!X509_set_serialNumber(x509ss, serial))
690 goto end;
691 } else {
692 if (!rand_serial(NULL,
693 X509_get_serialNumber(x509ss)))
694 goto end;
695 }
696
697 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
698 goto end;
699 if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0))
700 goto end;
701 if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL))
702 goto end;
703 if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req)))
704 goto end;
705 tmppkey = X509_REQ_get_pubkey(req);
706 if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
707 goto end;
708 EVP_PKEY_free(tmppkey);
709
710 /* Set up V3 context struct */
711
712 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
713 X509V3_set_nconf(&ext_ctx, req_conf);
714
715 /* Add extensions */
716 if (extensions && !X509V3_EXT_add_nconf(req_conf,
717 &ext_ctx, extensions, x509ss)) {
718 BIO_printf(bio_err,
719 "Error Loading extension section %s\n",
720 extensions);
721 goto end;
722 }
723 i = do_X509_sign(bio_err, x509ss, pkey, digest, sigopts);
724 if (!i) {
725 ERR_print_errors(bio_err);
726 goto end;
727 }
728 } else {
729 X509V3_CTX ext_ctx;
730
731 /* Set up V3 context struct */
732
733 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
734 X509V3_set_nconf(&ext_ctx, req_conf);
735
736 /* Add extensions */
737 if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
738 &ext_ctx, req_exts, req)) {
739 BIO_printf(bio_err,
740 "Error Loading extension section %s\n",
741 req_exts);
742 goto end;
743 }
744 i = do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts);
745 if (!i) {
746 ERR_print_errors(bio_err);
747 goto end;
748 }
749 }
750 }
751 if (subj && x509) {
752 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
753 goto end;
754 }
755 if (subj && !x509) {
756 if (verbose) {
757 BIO_printf(bio_err, "Modifying Request's Subject\n");
758 print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
759 }
760 if (build_subject(req, subj, chtype, multirdn) == 0) {
761 BIO_printf(bio_err, "ERROR: cannot modify subject\n");
762 ex = 1;
763 goto end;
764 }
765 req->req_info->enc.modified = 1;
766
767 if (verbose) {
768 print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
769 }
770 }
771 if (verify && !x509) {
772 int tmp = 0;
773
774 if (pkey == NULL) {
775 pkey = X509_REQ_get_pubkey(req);
776 tmp = 1;
777 if (pkey == NULL)
778 goto end;
779 }
780 i = X509_REQ_verify(req, pkey);
781 if (tmp) {
782 EVP_PKEY_free(pkey);
783 pkey = NULL;
784 }
785 if (i < 0) {
786 goto end;
787 } else if (i == 0) {
788 BIO_printf(bio_err, "verify failure\n");
789 ERR_print_errors(bio_err);
790 } else /* if (i > 0) */
791 BIO_printf(bio_err, "verify OK\n");
792 }
793 if (noout && !text && !modulus && !subject && !pubkey) {
794 ex = 0;
795 goto end;
796 }
797 if (outfile == NULL) {
798 BIO_set_fp(out, stdout, BIO_NOCLOSE);
799 } else {
800 if ((keyout != NULL) && (strcmp(outfile, keyout) == 0))
801 i = (int) BIO_append_filename(out, outfile);
802 else
803 i = (int) BIO_write_filename(out, outfile);
804 if (!i) {
805 perror(outfile);
806 goto end;
807 }
808 }
809
810 if (pubkey) {
811 EVP_PKEY *tpubkey;
812 tpubkey = X509_REQ_get_pubkey(req);
813 if (tpubkey == NULL) {
814 BIO_printf(bio_err, "Error getting public key\n");
815 ERR_print_errors(bio_err);
816 goto end;
817 }
818 PEM_write_bio_PUBKEY(out, tpubkey);
819 EVP_PKEY_free(tpubkey);
820 }
821 if (text) {
822 if (x509)
823 X509_print_ex(out, x509ss, nmflag, reqflag);
824 else
825 X509_REQ_print_ex(out, req, nmflag, reqflag);
826 }
827 if (subject) {
828 if (x509)
829 print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
830 else
831 print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
832 }
833 if (modulus) {
834 EVP_PKEY *tpubkey;
835
836 if (x509)
837 tpubkey = X509_get_pubkey(x509ss);
838 else
839 tpubkey = X509_REQ_get_pubkey(req);
840 if (tpubkey == NULL) {
841 fprintf(stdout, "Modulus=unavailable\n");
842 goto end;
843 }
844 fprintf(stdout, "Modulus=");
845 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
846 BN_print(out, tpubkey->pkey.rsa->n);
847 else
848 fprintf(stdout, "Wrong Algorithm type");
849 EVP_PKEY_free(tpubkey);
850 fprintf(stdout, "\n");
851 }
852 if (!noout && !x509) {
853 if (outformat == FORMAT_ASN1)
854 i = i2d_X509_REQ_bio(out, req);
855 else if (outformat == FORMAT_PEM) {
856 if (newhdr)
857 i = PEM_write_bio_X509_REQ_NEW(out, req);
858 else
859 i = PEM_write_bio_X509_REQ(out, req);
860 } else {
861 BIO_printf(bio_err, "bad output format specified for outfile\n");
862 goto end;
863 }
864 if (!i) {
865 BIO_printf(bio_err, "unable to write X509 request\n");
866 goto end;
867 }
868 }
869 if (!noout && x509 && (x509ss != NULL)) {
870 if (outformat == FORMAT_ASN1)
871 i = i2d_X509_bio(out, x509ss);
872 else if (outformat == FORMAT_PEM)
873 i = PEM_write_bio_X509(out, x509ss);
874 else {
875 BIO_printf(bio_err, "bad output format specified for outfile\n");
876 goto end;
877 }
878 if (!i) {
879 BIO_printf(bio_err, "unable to write X509 certificate\n");
880 goto end;
881 }
882 }
883 ex = 0;
884end:
885 if (ex) {
886 ERR_print_errors(bio_err);
887 }
888 if ((req_conf != NULL) && (req_conf != config))
889 NCONF_free(req_conf);
890 BIO_free(in);
891 BIO_free_all(out);
892 EVP_PKEY_free(pkey);
893 if (genctx)
894 EVP_PKEY_CTX_free(genctx);
895 if (pkeyopts)
896 sk_OPENSSL_STRING_free(pkeyopts);
897 if (sigopts)
898 sk_OPENSSL_STRING_free(sigopts);
899#ifndef OPENSSL_NO_ENGINE
900 if (gen_eng)
901 ENGINE_free(gen_eng);
902#endif
903 free(keyalgstr);
904 X509_REQ_free(req);
905 X509_free(x509ss);
906 ASN1_INTEGER_free(serial);
907 if (passargin && passin)
908 free(passin);
909 if (passargout && passout)
910 free(passout);
911 OBJ_cleanup();
912
913 return (ex);
914}
915
916static int
917make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *subj, int multirdn,
918 int attribs, unsigned long chtype)
919{
920 int ret = 0, i;
921 char no_prompt = 0;
922 STACK_OF(CONF_VALUE) * dn_sk, *attr_sk = NULL;
923 char *tmp, *dn_sect, *attr_sect;
924
925 tmp = NCONF_get_string(req_conf, SECTION, PROMPT);
926 if (tmp == NULL)
927 ERR_clear_error();
928 if ((tmp != NULL) && !strcmp(tmp, "no"))
929 no_prompt = 1;
930
931 dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME);
932 if (dn_sect == NULL) {
933 BIO_printf(bio_err, "unable to find '%s' in config\n",
934 DISTINGUISHED_NAME);
935 goto err;
936 }
937 dn_sk = NCONF_get_section(req_conf, dn_sect);
938 if (dn_sk == NULL) {
939 BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
940 goto err;
941 }
942 attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES);
943 if (attr_sect == NULL) {
944 ERR_clear_error();
945 attr_sk = NULL;
946 } else {
947 attr_sk = NCONF_get_section(req_conf, attr_sect);
948 if (attr_sk == NULL) {
949 BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
950 goto err;
951 }
952 }
953
954 /* setup version number */
955 if (!X509_REQ_set_version(req, 0L))
956 goto err; /* version 1 */
957
958 if (no_prompt)
959 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
960 else {
961 if (subj)
962 i = build_subject(req, subj, chtype, multirdn);
963 else
964 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
965 }
966 if (!i)
967 goto err;
968
969 if (!X509_REQ_set_pubkey(req, pkey))
970 goto err;
971
972 ret = 1;
973err:
974 return (ret);
975}
976
977/*
978 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
979 * where characters may be escaped by \
980 */
981static int
982build_subject(X509_REQ * req, char *subject, unsigned long chtype, int multirdn)
983{
984 X509_NAME *n;
985
986 if (!(n = parse_name(subject, chtype, multirdn)))
987 return 0;
988
989 if (!X509_REQ_set_subject_name(req, n)) {
990 X509_NAME_free(n);
991 return 0;
992 }
993 X509_NAME_free(n);
994 return 1;
995}
996
997
998static int
999prompt_info(X509_REQ * req,
1000 STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect,
1001 STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs,
1002 unsigned long chtype)
1003{
1004 int i;
1005 char *p, *q;
1006 char buf[100];
1007 int nid, mval;
1008 long n_min, n_max;
1009 char *type, *value;
1010 const char *def;
1011 CONF_VALUE *v;
1012 X509_NAME *subj;
1013 subj = X509_REQ_get_subject_name(req);
1014
1015 if (!batch) {
1016 BIO_printf(bio_err, "You are about to be asked to enter information that will be incorporated\n");
1017 BIO_printf(bio_err, "into your certificate request.\n");
1018 BIO_printf(bio_err, "What you are about to enter is what is called a Distinguished Name or a DN.\n");
1019 BIO_printf(bio_err, "There are quite a few fields but you can leave some blank\n");
1020 BIO_printf(bio_err, "For some fields there will be a default value,\n");
1021 BIO_printf(bio_err, "If you enter '.', the field will be left blank.\n");
1022 BIO_printf(bio_err, "-----\n");
1023 }
1024 if (sk_CONF_VALUE_num(dn_sk)) {
1025 i = -1;
1026start: for (;;) {
1027 int ret;
1028 i++;
1029 if (sk_CONF_VALUE_num(dn_sk) <= i)
1030 break;
1031
1032 v = sk_CONF_VALUE_value(dn_sk, i);
1033 p = q = NULL;
1034 type = v->name;
1035 if (!check_end(type, "_min") || !check_end(type, "_max") ||
1036 !check_end(type, "_default") ||
1037 !check_end(type, "_value"))
1038 continue;
1039 /*
1040 * Skip past any leading X. X: X, etc to allow for
1041 * multiple instances
1042 */
1043 for (p = v->name; *p; p++)
1044 if ((*p == ':') || (*p == ',') ||
1045 (*p == '.')) {
1046 p++;
1047 if (*p)
1048 type = p;
1049 break;
1050 }
1051 if (*type == '+') {
1052 mval = -1;
1053 type++;
1054 } else
1055 mval = 0;
1056 /* If OBJ not recognised ignore it */
1057 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1058 goto start;
1059 ret = snprintf(buf, sizeof buf, "%s_default", v->name);
1060 if (ret == -1 || ret >= sizeof(buf)) {
1061 BIO_printf(bio_err, "Name '%s' too long for default\n",
1062 v->name);
1063 return 0;
1064 }
1065 if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1066 ERR_clear_error();
1067 def = "";
1068 }
1069 ret = snprintf(buf, sizeof buf, "%s_value", v->name);
1070 if (ret == -1 || ret >= sizeof(buf)) {
1071 BIO_printf(bio_err, "Name '%s' too long for value\n",
1072 v->name);
1073 return 0;
1074 }
1075 if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1076 ERR_clear_error();
1077 value = NULL;
1078 }
1079 ret = snprintf(buf, sizeof buf, "%s_min", v->name);
1080 if (ret == -1 || ret >= sizeof(buf)) {
1081 BIO_printf(bio_err, "Name '%s' too long for min\n",
1082 v->name);
1083 return 0;
1084 }
1085 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1086 ERR_clear_error();
1087 n_min = -1;
1088 }
1089 ret = snprintf(buf, sizeof buf, "%s_max", v->name);
1090 if (ret == -1 || ret >= sizeof(buf)) {
1091 BIO_printf(bio_err, "Name '%s' too long for max\n",
1092 v->name);
1093 return 0;
1094 }
1095 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1096 ERR_clear_error();
1097 n_max = -1;
1098 }
1099 if (!add_DN_object(subj, v->value, def, value, nid,
1100 n_min, n_max, chtype, mval))
1101 return 0;
1102 }
1103 if (X509_NAME_entry_count(subj) == 0) {
1104 BIO_printf(bio_err, "error, no objects specified in config file\n");
1105 return 0;
1106 }
1107 if (attribs) {
1108 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) &&
1109 (!batch)) {
1110 BIO_printf(bio_err,
1111 "\nPlease enter the following 'extra' attributes\n");
1112 BIO_printf(bio_err,
1113 "to be sent with your certificate request\n");
1114 }
1115 i = -1;
1116start2: for (;;) {
1117 int ret;
1118 i++;
1119 if ((attr_sk == NULL) ||
1120 (sk_CONF_VALUE_num(attr_sk) <= i))
1121 break;
1122
1123 v = sk_CONF_VALUE_value(attr_sk, i);
1124 type = v->name;
1125 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1126 goto start2;
1127 ret = snprintf(buf, sizeof buf, "%s_default", type);
1128 if (ret == -1 || ret >= sizeof(buf)) {
1129 BIO_printf(bio_err, "Name '%s' too long for default\n",
1130 v->name);
1131 return 0;
1132 }
1133 if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1134 == NULL) {
1135 ERR_clear_error();
1136 def = "";
1137 }
1138 ret = snprintf(buf, sizeof buf, "%s_value", type);
1139 if (ret == -1 || ret >= sizeof(buf)) {
1140 BIO_printf(bio_err, "Name '%s' too long for value\n",
1141 v->name);
1142 return 0;
1143 }
1144 if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1145 == NULL) {
1146 ERR_clear_error();
1147 value = NULL;
1148 }
1149 ret = snprintf(buf, sizeof buf, "%s_min", type);
1150 if (ret == -1 || ret >= sizeof(buf)) {
1151 BIO_printf(bio_err, "Name '%s' too long for min\n",
1152 v->name);
1153 return 0;
1154 }
1155 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1156 ERR_clear_error();
1157 n_min = -1;
1158 }
1159 ret = snprintf(buf, sizeof buf, "%s_max", type);
1160 if (ret == -1 || ret >= sizeof(buf)) {
1161 BIO_printf(bio_err, "Name '%s' too long for max\n",
1162 v->name);
1163 return 0;
1164 }
1165 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1166 ERR_clear_error();
1167 n_max = -1;
1168 }
1169 if (!add_attribute_object(req,
1170 v->value, def, value, nid, n_min, n_max, chtype))
1171 return 0;
1172 }
1173 }
1174 } else {
1175 BIO_printf(bio_err, "No template, please set one up.\n");
1176 return 0;
1177 }
1178
1179 return 1;
1180
1181}
1182
1183static int
1184auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * dn_sk,
1185 STACK_OF(CONF_VALUE) * attr_sk, int attribs, unsigned long chtype)
1186{
1187 int i;
1188 char *p, *q;
1189 char *type;
1190 CONF_VALUE *v;
1191 X509_NAME *subj;
1192
1193 subj = X509_REQ_get_subject_name(req);
1194
1195 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1196 int mval;
1197 v = sk_CONF_VALUE_value(dn_sk, i);
1198 p = q = NULL;
1199 type = v->name;
1200 /*
1201 * Skip past any leading X. X: X, etc to allow for multiple
1202 * instances
1203 */
1204 for (p = v->name; *p; p++)
1205 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1206 p++;
1207 if (*p)
1208 type = p;
1209 break;
1210 }
1211 if (*p == '+') {
1212 p++;
1213 mval = -1;
1214 } else
1215 mval = 0;
1216 if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1217 (unsigned char *) v->value, -1, -1, mval))
1218 return 0;
1219
1220 }
1221
1222 if (!X509_NAME_entry_count(subj)) {
1223 BIO_printf(bio_err, "error, no objects specified in config file\n");
1224 return 0;
1225 }
1226 if (attribs) {
1227 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1228 v = sk_CONF_VALUE_value(attr_sk, i);
1229 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1230 (unsigned char *) v->value, -1))
1231 return 0;
1232 }
1233 }
1234 return 1;
1235}
1236
1237
1238static int
1239add_DN_object(X509_NAME * n, char *text, const char *def, char *value,
1240 int nid, int n_min, int n_max, unsigned long chtype, int mval)
1241{
1242 int i, ret = 0;
1243 char buf[1024];
1244start:
1245 if (!batch)
1246 BIO_printf(bio_err, "%s [%s]:", text, def);
1247 (void) BIO_flush(bio_err);
1248 if (value != NULL) {
1249 strlcpy(buf, value, sizeof buf);
1250 strlcat(buf, "\n", sizeof buf);
1251 BIO_printf(bio_err, "%s\n", value);
1252 } else {
1253 buf[0] = '\0';
1254 if (!batch) {
1255 if (!fgets(buf, sizeof buf, stdin))
1256 return 0;
1257 } else {
1258 buf[0] = '\n';
1259 buf[1] = '\0';
1260 }
1261 }
1262
1263 if (buf[0] == '\0')
1264 return (0);
1265 else if (buf[0] == '\n') {
1266 if ((def == NULL) || (def[0] == '\0'))
1267 return (1);
1268 strlcpy(buf, def, sizeof buf);
1269 strlcat(buf, "\n", sizeof buf);
1270 } else if ((buf[0] == '.') && (buf[1] == '\n'))
1271 return (1);
1272
1273 i = strlen(buf);
1274 if (buf[i - 1] != '\n') {
1275 BIO_printf(bio_err, "weird input :-(\n");
1276 return (0);
1277 }
1278 buf[--i] = '\0';
1279 if (!req_check_len(i, n_min, n_max))
1280 goto start;
1281 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1282 (unsigned char *) buf, -1, -1, mval))
1283 goto err;
1284 ret = 1;
1285err:
1286 return (ret);
1287}
1288
1289static int
1290add_attribute_object(X509_REQ * req, char *text, const char *def,
1291 char *value, int nid, int n_min,
1292 int n_max, unsigned long chtype)
1293{
1294 int i;
1295 static char buf[1024];
1296
1297start:
1298 if (!batch)
1299 BIO_printf(bio_err, "%s [%s]:", text, def);
1300 (void) BIO_flush(bio_err);
1301 if (value != NULL) {
1302 strlcpy(buf, value, sizeof buf);
1303 strlcat(buf, "\n", sizeof buf);
1304 BIO_printf(bio_err, "%s\n", value);
1305 } else {
1306 buf[0] = '\0';
1307 if (!batch) {
1308 if (!fgets(buf, sizeof buf, stdin))
1309 return 0;
1310 } else {
1311 buf[0] = '\n';
1312 buf[1] = '\0';
1313 }
1314 }
1315
1316 if (buf[0] == '\0')
1317 return (0);
1318 else if (buf[0] == '\n') {
1319 if ((def == NULL) || (def[0] == '\0'))
1320 return (1);
1321 strlcpy(buf, def, sizeof buf);
1322 strlcat(buf, "\n", sizeof buf);
1323 } else if ((buf[0] == '.') && (buf[1] == '\n'))
1324 return (1);
1325
1326 i = strlen(buf);
1327 if (buf[i - 1] != '\n') {
1328 BIO_printf(bio_err, "weird input :-(\n");
1329 return (0);
1330 }
1331 buf[--i] = '\0';
1332 if (!req_check_len(i, n_min, n_max))
1333 goto start;
1334
1335 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1336 (unsigned char *) buf, -1)) {
1337 BIO_printf(bio_err, "Error adding attribute\n");
1338 ERR_print_errors(bio_err);
1339 goto err;
1340 }
1341 return (1);
1342err:
1343 return (0);
1344}
1345
1346static int
1347req_check_len(int len, int n_min, int n_max)
1348{
1349 if ((n_min > 0) && (len < n_min)) {
1350 BIO_printf(bio_err, "string is too short, it needs to be at least %d bytes long\n", n_min);
1351 return (0);
1352 }
1353 if ((n_max >= 0) && (len > n_max)) {
1354 BIO_printf(bio_err, "string is too long, it needs to be less than %d bytes long\n", n_max);
1355 return (0);
1356 }
1357 return (1);
1358}
1359
1360/* Check if the end of a string matches 'end' */
1361static int
1362check_end(const char *str, const char *end)
1363{
1364 int elen, slen;
1365 const char *tmp;
1366 elen = strlen(end);
1367 slen = strlen(str);
1368 if (elen > slen)
1369 return 1;
1370 tmp = str + slen - elen;
1371 return strcmp(tmp, end);
1372}
1373
1374static EVP_PKEY_CTX *
1375set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type,
1376 long *pkeylen, char **palgnam,
1377 ENGINE * keygen_engine)
1378{
1379 EVP_PKEY_CTX *gctx = NULL;
1380 EVP_PKEY *param = NULL;
1381 long keylen = -1;
1382 BIO *pbio = NULL;
1383 const char *paramfile = NULL;
1384 const char *errstr;
1385
1386 if (gstr == NULL) {
1387 *pkey_type = EVP_PKEY_RSA;
1388 keylen = *pkeylen;
1389 } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1390 *pkey_type = EVP_PKEY_RSA;
1391 keylen = strtonum(gstr, 0, LONG_MAX, &errstr);
1392 if (errstr) {
1393 BIO_printf(err, "bad algorithm %s: %s\n", gstr, errstr);
1394 return NULL;
1395 }
1396 *pkeylen = keylen;
1397 } else if (!strncmp(gstr, "param:", 6))
1398 paramfile = gstr + 6;
1399 else {
1400 const char *p = strchr(gstr, ':');
1401 int len;
1402 ENGINE *tmpeng;
1403 const EVP_PKEY_ASN1_METHOD *ameth;
1404
1405 if (p)
1406 len = p - gstr;
1407 else
1408 len = strlen(gstr);
1409 /*
1410 * The lookup of a the string will cover all engines so keep
1411 * a note of the implementation.
1412 */
1413
1414 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1415
1416 if (!ameth) {
1417 BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1418 return NULL;
1419 }
1420 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL,
1421 ameth);
1422#ifndef OPENSSL_NO_ENGINE
1423 if (tmpeng)
1424 ENGINE_finish(tmpeng);
1425#endif
1426 if (*pkey_type == EVP_PKEY_RSA) {
1427 if (p) {
1428 keylen = strtonum(p + 1, 0, LONG_MAX, &errstr);
1429 if (errstr) {
1430 BIO_printf(err, "bad algorithm %s: %s\n",
1431 p + 1, errstr);
1432 return NULL;
1433 }
1434 *pkeylen = keylen;
1435 } else
1436 keylen = *pkeylen;
1437 } else if (p)
1438 paramfile = p + 1;
1439 }
1440
1441 if (paramfile) {
1442 pbio = BIO_new_file(paramfile, "r");
1443 if (!pbio) {
1444 BIO_printf(err, "Can't open parameter file %s\n",
1445 paramfile);
1446 return NULL;
1447 }
1448 param = PEM_read_bio_Parameters(pbio, NULL);
1449
1450 if (!param) {
1451 X509 *x;
1452 (void) BIO_reset(pbio);
1453 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1454 if (x) {
1455 param = X509_get_pubkey(x);
1456 X509_free(x);
1457 }
1458 }
1459 BIO_free(pbio);
1460
1461 if (!param) {
1462 BIO_printf(err, "Error reading parameter file %s\n",
1463 paramfile);
1464 return NULL;
1465 }
1466 if (*pkey_type == -1)
1467 *pkey_type = EVP_PKEY_id(param);
1468 else if (*pkey_type != EVP_PKEY_base_id(param)) {
1469 BIO_printf(err, "Key Type does not match parameters\n");
1470 EVP_PKEY_free(param);
1471 return NULL;
1472 }
1473 }
1474 if (palgnam) {
1475 const EVP_PKEY_ASN1_METHOD *ameth;
1476 ENGINE *tmpeng;
1477 const char *anam;
1478 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1479 if (!ameth) {
1480 BIO_puts(err, "Internal error: can't find key algorithm\n");
1481 return NULL;
1482 }
1483 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1484 *palgnam = BUF_strdup(anam);
1485#ifndef OPENSSL_NO_ENGINE
1486 if (tmpeng)
1487 ENGINE_finish(tmpeng);
1488#endif
1489 }
1490 if (param) {
1491 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1492 *pkeylen = EVP_PKEY_bits(param);
1493 EVP_PKEY_free(param);
1494 } else
1495 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1496
1497 if (!gctx) {
1498 BIO_puts(err, "Error allocating keygen context\n");
1499 ERR_print_errors(err);
1500 return NULL;
1501 }
1502 if (EVP_PKEY_keygen_init(gctx) <= 0) {
1503 BIO_puts(err, "Error initializing keygen context\n");
1504 ERR_print_errors(err);
1505 return NULL;
1506 }
1507 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) {
1508 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) {
1509 BIO_puts(err, "Error setting RSA keysize\n");
1510 ERR_print_errors(err);
1511 EVP_PKEY_CTX_free(gctx);
1512 return NULL;
1513 }
1514 }
1515
1516 return gctx;
1517}
1518
1519static int
1520genpkey_cb(EVP_PKEY_CTX * ctx)
1521{
1522 char c = '*';
1523 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1524 int p;
1525 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1526 if (p == 0)
1527 c = '.';
1528 if (p == 1)
1529 c = '+';
1530 if (p == 2)
1531 c = '*';
1532 if (p == 3)
1533 c = '\n';
1534 BIO_write(b, &c, 1);
1535 (void) BIO_flush(b);
1536 return 1;
1537}
1538
1539static int
1540do_sign_init(BIO * err, EVP_MD_CTX * ctx, EVP_PKEY * pkey,
1541 const EVP_MD * md, STACK_OF(OPENSSL_STRING) * sigopts)
1542{
1543 EVP_PKEY_CTX *pkctx = NULL;
1544 int i;
1545 EVP_MD_CTX_init(ctx);
1546 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1547 return 0;
1548 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1549 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1550 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1551 BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1552 ERR_print_errors(bio_err);
1553 return 0;
1554 }
1555 }
1556 return 1;
1557}
1558
1559int
1560do_X509_sign(BIO * err, X509 * x, EVP_PKEY * pkey, const EVP_MD * md,
1561 STACK_OF(OPENSSL_STRING) * sigopts)
1562{
1563 int rv;
1564 EVP_MD_CTX mctx;
1565 EVP_MD_CTX_init(&mctx);
1566 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1567 if (rv > 0)
1568 rv = X509_sign_ctx(x, &mctx);
1569 EVP_MD_CTX_cleanup(&mctx);
1570 return rv > 0 ? 1 : 0;
1571}
1572
1573
1574int
1575do_X509_REQ_sign(BIO * err, X509_REQ * x, EVP_PKEY * pkey, const EVP_MD * md,
1576 STACK_OF(OPENSSL_STRING) * sigopts)
1577{
1578 int rv;
1579 EVP_MD_CTX mctx;
1580 EVP_MD_CTX_init(&mctx);
1581 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1582 if (rv > 0)
1583 rv = X509_REQ_sign_ctx(x, &mctx);
1584 EVP_MD_CTX_cleanup(&mctx);
1585 return rv > 0 ? 1 : 0;
1586}
1587
1588
1589
1590int
1591do_X509_CRL_sign(BIO * err, X509_CRL * x, EVP_PKEY * pkey, const EVP_MD * md,
1592 STACK_OF(OPENSSL_STRING) * sigopts)
1593{
1594 int rv;
1595 EVP_MD_CTX mctx;
1596 EVP_MD_CTX_init(&mctx);
1597 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1598 if (rv > 0)
1599 rv = X509_CRL_sign_ctx(x, &mctx);
1600 EVP_MD_CTX_cleanup(&mctx);
1601 return rv > 0 ? 1 : 0;
1602}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-10-26 19:39:09 +0000