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Reduce optimization in hppa builds
[thirdparty/openssl.git] / apps / req.c
1 /*
2 * Copyright 1995-2024 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/core_names.h>
18 #include <openssl/bio.h>
19 #include <openssl/evp.h>
20 #include <openssl/conf.h>
21 #include <openssl/err.h>
22 #include <openssl/asn1.h>
23 #include <openssl/x509.h>
24 #include <openssl/x509v3.h>
25 #include <openssl/objects.h>
26 #include <openssl/pem.h>
27 #include <openssl/bn.h>
28 #include <openssl/lhash.h>
29 #include <openssl/rsa.h>
30 #ifndef OPENSSL_NO_DSA
31 # include <openssl/dsa.h>
32 #endif
33
34 #define BITS "default_bits"
35 #define KEYFILE "default_keyfile"
36 #define PROMPT "prompt"
37 #define DISTINGUISHED_NAME "distinguished_name"
38 #define ATTRIBUTES "attributes"
39 #define V3_EXTENSIONS "x509_extensions"
40 #define REQ_EXTENSIONS "req_extensions"
41 #define STRING_MASK "string_mask"
42 #define UTF8_IN "utf8"
43
44 #define DEFAULT_KEY_LENGTH 2048
45 #define MIN_KEY_LENGTH 512
46 #define DEFAULT_DAYS 30 /* default certificate validity period in days */
47 #define UNSET_DAYS -2 /* -1 may be used for testing expiration checks */
48 #define EXT_COPY_UNSET -1
49
50 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, X509_NAME *fsubj,
51 int mutlirdn, int attribs, unsigned long chtype);
52 static int prompt_info(X509_REQ *req,
53 STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
54 STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
55 int attribs, unsigned long chtype);
56 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
57 STACK_OF(CONF_VALUE) *attr, int attribs,
58 unsigned long chtype);
59 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
60 char *value, int nid, int n_min, int n_max,
61 unsigned long chtype);
62 static int add_DN_object(X509_NAME *n, char *text, const char *def,
63 char *value, int nid, int n_min, int n_max,
64 unsigned long chtype, int mval);
65 static int build_data(char *text, const char *def, char *value,
66 int n_min, int n_max, char *buf, const int buf_size,
67 const char *desc1, const char *desc2);
68 static int req_check_len(int len, int n_min, int n_max);
69 static int check_end(const char *str, const char *end);
70 static int join(char buf[], size_t buf_size, const char *name,
71 const char *tail, const char *desc);
72 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
73 char **pkeytype, long *pkeylen,
74 ENGINE *keygen_engine);
75
76 static const char *section = "req";
77 static CONF *req_conf = NULL;
78 static CONF *addext_conf = NULL;
79 static int batch = 0;
80
81 typedef enum OPTION_choice {
82 OPT_COMMON,
83 OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_KEYGEN_ENGINE, OPT_KEY,
84 OPT_PUBKEY, OPT_NEW, OPT_CONFIG, OPT_KEYFORM, OPT_IN, OPT_OUT,
85 OPT_KEYOUT, OPT_PASSIN, OPT_PASSOUT, OPT_NEWKEY,
86 OPT_PKEYOPT, OPT_SIGOPT, OPT_VFYOPT, OPT_BATCH, OPT_NEWHDR, OPT_MODULUS,
87 OPT_VERIFY, OPT_NOENC, OPT_NODES, OPT_NOOUT, OPT_VERBOSE, OPT_UTF8,
88 OPT_NAMEOPT, OPT_REQOPT, OPT_SUBJ, OPT_SUBJECT, OPT_TEXT,
89 OPT_X509, OPT_X509V1, OPT_CA, OPT_CAKEY,
90 OPT_MULTIVALUE_RDN, OPT_NOT_BEFORE, OPT_NOT_AFTER, OPT_DAYS, OPT_SET_SERIAL,
91 OPT_COPY_EXTENSIONS, OPT_EXTENSIONS, OPT_REQEXTS, OPT_ADDEXT,
92 OPT_PRECERT, OPT_MD,
93 OPT_SECTION, OPT_QUIET,
94 OPT_R_ENUM, OPT_PROV_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, '<', "X.509 request input file (default stdin)"},
106 {"inform", OPT_INFORM, 'F',
107 "CSR input format to use (PEM or DER; by default try PEM first)"},
108 {"verify", OPT_VERIFY, '-', "Verify self-signature on the request"},
109
110 OPT_SECTION("Certificate"),
111 {"new", OPT_NEW, '-', "New request"},
112 {"config", OPT_CONFIG, '<', "Request template file"},
113 {"section", OPT_SECTION, 's', "Config section to use (default \"req\")"},
114 {"utf8", OPT_UTF8, '-', "Input characters are UTF8 (default ASCII)"},
115 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
116 {"reqopt", OPT_REQOPT, 's', "Various request text options"},
117 {"text", OPT_TEXT, '-', "Text form of request"},
118 {"x509", OPT_X509, '-',
119 "Output an X.509 certificate structure instead of a cert request"},
120 {"x509v1", OPT_X509V1, '-', "Request cert generation with X.509 version 1"},
121 {"CA", OPT_CA, '<', "Issuer cert to use for signing a cert, implies -x509"},
122 {"CAkey", OPT_CAKEY, 's',
123 "Issuer private key to use with -CA; default is -CA arg"},
124 {OPT_MORE_STR, 1, 1, "(Required by some CA's)"},
125 {"subj", OPT_SUBJ, 's', "Set or modify subject of request or cert"},
126 {"subject", OPT_SUBJECT, '-',
127 "Print the subject of the output request or cert"},
128 {"multivalue-rdn", OPT_MULTIVALUE_RDN, '-',
129 "Deprecated; multi-valued RDNs support is always on."},
130 {"not_before", OPT_NOT_BEFORE, 's',
131 "[CC]YYMMDDHHMMSSZ value for notBefore certificate field"},
132 {"not_after", OPT_NOT_AFTER, 's',
133 "[CC]YYMMDDHHMMSSZ value for notAfter certificate field, overrides -days"},
134 {"days", OPT_DAYS, 'p', "Number of days certificate is valid for"},
135 {"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"},
136 {"copy_extensions", OPT_COPY_EXTENSIONS, 's',
137 "copy extensions from request when using -x509"},
138 {"extensions", OPT_EXTENSIONS, 's',
139 "Cert or request extension section (override value in config file)"},
140 {"reqexts", OPT_REQEXTS, 's', "An alias for -extensions"},
141 {"addext", OPT_ADDEXT, 's',
142 "Additional cert extension key=value pair (may be given more than once)"},
143 {"precert", OPT_PRECERT, '-', "Add a poison extension to generated cert (implies -new)"},
144
145 OPT_SECTION("Keys and Signing"),
146 {"key", OPT_KEY, 's', "Key for signing, and to include unless -in given"},
147 {"keyform", OPT_KEYFORM, 'f', "Key file format (ENGINE, other values ignored)"},
148 {"pubkey", OPT_PUBKEY, '-', "Output public key"},
149 {"keyout", OPT_KEYOUT, '>', "File to write private key to"},
150 {"passin", OPT_PASSIN, 's', "Private key and certificate password source"},
151 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
152 {"newkey", OPT_NEWKEY, 's',
153 "Generate new key with [<alg>:]<nbits> or <alg>[:<file>] or param:<file>"},
154 {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"},
155 {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
156 {"vfyopt", OPT_VFYOPT, 's', "Verification parameter in n:v form"},
157 {"", OPT_MD, '-', "Any supported digest"},
158
159 OPT_SECTION("Output"),
160 {"out", OPT_OUT, '>', "Output file"},
161 {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
162 {"batch", OPT_BATCH, '-',
163 "Do not ask anything during request generation"},
164 {"verbose", OPT_VERBOSE, '-', "Verbose output"},
165 {"quiet", OPT_QUIET, '-', "Terse output"},
166 {"noenc", OPT_NOENC, '-', "Don't encrypt private keys"},
167 {"nodes", OPT_NODES, '-', "Don't encrypt private keys; deprecated"},
168 {"noout", OPT_NOOUT, '-', "Do not output REQ"},
169 {"newhdr", OPT_NEWHDR, '-', "Output \"NEW\" in the header lines"},
170 {"modulus", OPT_MODULUS, '-', "RSA modulus"},
171
172 OPT_R_OPTIONS,
173 OPT_PROV_OPTIONS,
174 {NULL}
175 };
176
177 /*
178 * An LHASH of strings, where each string is an extension name.
179 */
180 static unsigned long ext_name_hash(const OPENSSL_STRING *a)
181 {
182 return OPENSSL_LH_strhash((const char *)a);
183 }
184
185 static int ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b)
186 {
187 return strcmp((const char *)a, (const char *)b);
188 }
189
190 static void exts_cleanup(OPENSSL_STRING *x)
191 {
192 OPENSSL_free((char *)x);
193 }
194
195 /*
196 * Is the |kv| key already duplicated?
197 * Return 0 if unique, -1 on runtime error, -2 on syntax error; 1 if found.
198 */
199 static int duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv)
200 {
201 char *p;
202 size_t off;
203
204 /* Check syntax. */
205 /* Skip leading whitespace, make a copy. */
206 while (isspace(_UC(*kv)))
207 kv++;
208 if ((p = strchr(kv, '=')) == NULL) {
209 BIO_printf(bio_err, "Parse error on -addext: missing '='\n");
210 return -2;
211 }
212 off = p - kv;
213 if ((kv = OPENSSL_strdup(kv)) == NULL)
214 return -1;
215
216 /* Skip trailing space before the equal sign. */
217 for (p = kv + off; p > kv; --p)
218 if (!isspace(_UC(p[-1])))
219 break;
220 if (p == kv) {
221 BIO_printf(bio_err, "Parse error on -addext: missing key\n");
222 OPENSSL_free(kv);
223 return -2;
224 }
225 *p = '\0';
226
227 /* Finally have a clean "key"; see if it's there [by attempt to add it]. */
228 p = (char *)lh_OPENSSL_STRING_insert(addexts, (OPENSSL_STRING *)kv);
229 if (p != NULL) {
230 BIO_printf(bio_err, "Duplicate extension name: %s\n", kv);
231 OPENSSL_free(p);
232 return 1;
233 } else if (lh_OPENSSL_STRING_error(addexts)) {
234 OPENSSL_free(kv);
235 return -1;
236 }
237
238 return 0;
239 }
240
241 int req_main(int argc, char **argv)
242 {
243 ASN1_INTEGER *serial = NULL;
244 BIO *out = NULL;
245 ENGINE *e = NULL, *gen_eng = NULL;
246 EVP_PKEY *pkey = NULL, *CAkey = NULL;
247 EVP_PKEY_CTX *genctx = NULL;
248 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL, *vfyopts = NULL;
249 LHASH_OF(OPENSSL_STRING) *addexts = NULL;
250 X509 *new_x509 = NULL, *CAcert = NULL;
251 X509_REQ *req = NULL;
252 EVP_CIPHER *cipher = NULL;
253 int ext_copy = EXT_COPY_UNSET;
254 BIO *addext_bio = NULL;
255 char *extsect = NULL;
256 const char *infile = NULL, *CAfile = NULL, *CAkeyfile = NULL;
257 char *outfile = NULL, *keyfile = NULL, *digest = NULL;
258 char *keyalgstr = NULL, *p, *prog, *passargin = NULL, *passargout = NULL;
259 char *passin = NULL, *passout = NULL;
260 char *nofree_passin = NULL, *nofree_passout = NULL;
261 char *subj = NULL;
262 X509_NAME *fsubj = NULL;
263 char *template = default_config_file, *keyout = NULL;
264 const char *keyalg = NULL;
265 OPTION_CHOICE o;
266 char *not_before = NULL, *not_after = NULL;
267 int days = UNSET_DAYS;
268 int ret = 1, gen_x509 = 0, i = 0, newreq = 0, verbose = 0, progress = 1;
269 int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, keyform = FORMAT_UNDEF;
270 int modulus = 0, multirdn = 1, verify = 0, noout = 0, text = 0;
271 int noenc = 0, newhdr = 0, subject = 0, pubkey = 0, precert = 0, x509v1 = 0;
272 long newkey_len = -1;
273 unsigned long chtype = MBSTRING_ASC, reqflag = 0;
274
275 #ifndef OPENSSL_NO_DES
276 cipher = (EVP_CIPHER *)EVP_des_ede3_cbc();
277 #endif
278
279 opt_set_unknown_name("digest");
280 prog = opt_init(argc, argv, req_options);
281 while ((o = opt_next()) != OPT_EOF) {
282 switch (o) {
283 case OPT_EOF:
284 case OPT_ERR:
285 opthelp:
286 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
287 goto end;
288 case OPT_HELP:
289 opt_help(req_options);
290 ret = 0;
291 goto end;
292 case OPT_INFORM:
293 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
294 goto opthelp;
295 break;
296 case OPT_OUTFORM:
297 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
298 goto opthelp;
299 break;
300 case OPT_ENGINE:
301 e = setup_engine(opt_arg(), 0);
302 break;
303 case OPT_KEYGEN_ENGINE:
304 #ifndef OPENSSL_NO_ENGINE
305 gen_eng = setup_engine(opt_arg(), 0);
306 if (gen_eng == NULL) {
307 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
308 goto opthelp;
309 }
310 #endif
311 break;
312 case OPT_KEY:
313 keyfile = opt_arg();
314 break;
315 case OPT_PUBKEY:
316 pubkey = 1;
317 break;
318 case OPT_NEW:
319 newreq = 1;
320 break;
321 case OPT_CONFIG:
322 template = opt_arg();
323 break;
324 case OPT_SECTION:
325 section = opt_arg();
326 break;
327 case OPT_KEYFORM:
328 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
329 goto opthelp;
330 break;
331 case OPT_IN:
332 infile = opt_arg();
333 break;
334 case OPT_OUT:
335 outfile = opt_arg();
336 break;
337 case OPT_KEYOUT:
338 keyout = opt_arg();
339 break;
340 case OPT_PASSIN:
341 passargin = opt_arg();
342 break;
343 case OPT_PASSOUT:
344 passargout = opt_arg();
345 break;
346 case OPT_R_CASES:
347 if (!opt_rand(o))
348 goto end;
349 break;
350 case OPT_PROV_CASES:
351 if (!opt_provider(o))
352 goto end;
353 break;
354 case OPT_NEWKEY:
355 keyalg = opt_arg();
356 newreq = 1;
357 break;
358 case OPT_PKEYOPT:
359 if (pkeyopts == NULL)
360 pkeyopts = sk_OPENSSL_STRING_new_null();
361 if (pkeyopts == NULL
362 || !sk_OPENSSL_STRING_push(pkeyopts, opt_arg()))
363 goto opthelp;
364 break;
365 case OPT_SIGOPT:
366 if (!sigopts)
367 sigopts = sk_OPENSSL_STRING_new_null();
368 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
369 goto opthelp;
370 break;
371 case OPT_VFYOPT:
372 if (!vfyopts)
373 vfyopts = sk_OPENSSL_STRING_new_null();
374 if (!vfyopts || !sk_OPENSSL_STRING_push(vfyopts, opt_arg()))
375 goto opthelp;
376 break;
377 case OPT_BATCH:
378 batch = 1;
379 break;
380 case OPT_NEWHDR:
381 newhdr = 1;
382 break;
383 case OPT_MODULUS:
384 modulus = 1;
385 break;
386 case OPT_VERIFY:
387 verify = 1;
388 break;
389 case OPT_NODES:
390 case OPT_NOENC:
391 noenc = 1;
392 break;
393 case OPT_NOOUT:
394 noout = 1;
395 break;
396 case OPT_VERBOSE:
397 verbose = 1;
398 progress = 1;
399 break;
400 case OPT_QUIET:
401 verbose = 0;
402 progress = 0;
403 break;
404 case OPT_UTF8:
405 chtype = MBSTRING_UTF8;
406 break;
407 case OPT_NAMEOPT:
408 if (!set_nameopt(opt_arg()))
409 goto opthelp;
410 break;
411 case OPT_REQOPT:
412 if (!set_cert_ex(&reqflag, opt_arg()))
413 goto opthelp;
414 break;
415 case OPT_TEXT:
416 text = 1;
417 break;
418 case OPT_X509V1:
419 x509v1 = 1;
420 /* fall thru */
421 case OPT_X509:
422 gen_x509 = 1;
423 break;
424 case OPT_CA:
425 CAfile = opt_arg();
426 gen_x509 = 1;
427 break;
428 case OPT_CAKEY:
429 CAkeyfile = opt_arg();
430 break;
431 case OPT_NOT_BEFORE:
432 not_before = opt_arg();
433 break;
434 case OPT_NOT_AFTER:
435 not_after = opt_arg();
436 break;
437 case OPT_DAYS:
438 days = atoi(opt_arg());
439 if (days <= UNSET_DAYS) {
440 BIO_printf(bio_err, "%s: -days parameter arg must be >= -1\n",
441 prog);
442 goto end;
443 }
444 break;
445 case OPT_SET_SERIAL:
446 if (serial != NULL) {
447 BIO_printf(bio_err, "Serial number supplied twice\n");
448 goto opthelp;
449 }
450 serial = s2i_ASN1_INTEGER(NULL, opt_arg());
451 if (serial == NULL)
452 goto opthelp;
453 break;
454 case OPT_SUBJECT:
455 subject = 1;
456 break;
457 case OPT_SUBJ:
458 subj = opt_arg();
459 break;
460 case OPT_MULTIVALUE_RDN:
461 /* obsolete */
462 break;
463 case OPT_COPY_EXTENSIONS:
464 if (!set_ext_copy(&ext_copy, opt_arg())) {
465 BIO_printf(bio_err, "Invalid extension copy option: \"%s\"\n",
466 opt_arg());
467 goto end;
468 }
469 break;
470 case OPT_EXTENSIONS:
471 case OPT_REQEXTS:
472 extsect = opt_arg();
473 break;
474 case OPT_ADDEXT:
475 p = opt_arg();
476 if (addexts == NULL) {
477 addexts = lh_OPENSSL_STRING_new(ext_name_hash, ext_name_cmp);
478 addext_bio = BIO_new(BIO_s_mem());
479 if (addexts == NULL || addext_bio == NULL)
480 goto end;
481 }
482 i = duplicated(addexts, p);
483 if (i == 1)
484 goto opthelp;
485 if (i == -1)
486 BIO_printf(bio_err, "Internal error handling -addext %s\n", p);
487 if (i < 0 || BIO_printf(addext_bio, "%s\n", p) < 0)
488 goto end;
489 break;
490 case OPT_PRECERT:
491 newreq = precert = 1;
492 break;
493 case OPT_MD:
494 digest = opt_unknown();
495 break;
496 }
497 }
498
499 /* No extra arguments. */
500 if (!opt_check_rest_arg(NULL))
501 goto opthelp;
502
503 if (!app_RAND_load())
504 goto end;
505
506 if (!gen_x509) {
507 if (days != UNSET_DAYS)
508 BIO_printf(bio_err, "Warning: Ignoring -days without -x509; not generating a certificate\n");
509 if (not_before != NULL)
510 BIO_printf(bio_err, "Warning: Ignoring -not_before without -x509; not generating a certificate\n");
511 if (not_after != NULL)
512 BIO_printf(bio_err, "Warning: Ignoring -not_after without -x509; not generating a certificate\n");
513 if (ext_copy == EXT_COPY_NONE)
514 BIO_printf(bio_err, "Warning: Ignoring -copy_extensions 'none' when -x509 is not given\n");
515 }
516 if (infile == NULL) {
517 if (gen_x509)
518 newreq = 1;
519 else if (!newreq)
520 BIO_printf(bio_err,
521 "Warning: Will read cert request from stdin since no -in option is given\n");
522 }
523
524 if (!app_passwd(passargin, passargout, &passin, &passout)) {
525 BIO_printf(bio_err, "Error getting passwords\n");
526 goto end;
527 }
528
529 if ((req_conf = app_load_config_verbose(template, verbose)) == NULL)
530 goto end;
531 if (addext_bio != NULL) {
532 if (verbose)
533 BIO_printf(bio_err,
534 "Using additional configuration from -addext options\n");
535 if ((addext_conf = app_load_config_bio(addext_bio, NULL)) == NULL)
536 goto end;
537 }
538 if (template != default_config_file && !app_load_modules(req_conf))
539 goto end;
540
541 if (req_conf != NULL) {
542 p = app_conf_try_string(req_conf, NULL, "oid_file");
543 if (p != NULL) {
544 BIO *oid_bio = BIO_new_file(p, "r");
545
546 if (oid_bio == NULL) {
547 if (verbose)
548 BIO_printf(bio_err,
549 "Problems opening '%s' for extra OIDs\n", p);
550 } else {
551 OBJ_create_objects(oid_bio);
552 BIO_free(oid_bio);
553 }
554 }
555 }
556 if (!add_oid_section(req_conf))
557 goto end;
558
559 /* Check that any specified digest is fetchable */
560 if (digest != NULL) {
561 if (!opt_check_md(digest))
562 goto opthelp;
563 } else {
564 /* No digest specified, default to configuration */
565 p = app_conf_try_string(req_conf, section, "default_md");
566 if (p != NULL)
567 digest = p;
568 }
569
570 if (extsect == NULL)
571 extsect = app_conf_try_string(req_conf, section,
572 gen_x509 ? V3_EXTENSIONS : REQ_EXTENSIONS);
573 if (extsect != NULL) {
574 /* Check syntax of extension section in config file */
575 X509V3_CTX ctx;
576
577 X509V3_set_ctx_test(&ctx);
578 X509V3_set_nconf(&ctx, req_conf);
579 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extsect, NULL)) {
580 BIO_printf(bio_err,
581 "Error checking %s extension section %s\n",
582 gen_x509 ? "x509" : "request", extsect);
583 goto end;
584 }
585 }
586 if (addext_conf != NULL) {
587 /* Check syntax of command line extensions */
588 X509V3_CTX ctx;
589
590 X509V3_set_ctx_test(&ctx);
591 X509V3_set_nconf(&ctx, req_conf);
592 if (!X509V3_EXT_add_nconf(addext_conf, &ctx, "default", NULL)) {
593 BIO_printf(bio_err, "Error checking extensions defined using -addext\n");
594 goto end;
595 }
596 }
597
598 if (passin == NULL)
599 passin = nofree_passin =
600 app_conf_try_string(req_conf, section, "input_password");
601
602 if (passout == NULL)
603 passout = nofree_passout =
604 app_conf_try_string(req_conf, section, "output_password");
605
606 p = app_conf_try_string(req_conf, section, STRING_MASK);
607 if (p != NULL && !ASN1_STRING_set_default_mask_asc(p)) {
608 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
609 goto end;
610 }
611
612 if (chtype != MBSTRING_UTF8) {
613 p = app_conf_try_string(req_conf, section, UTF8_IN);
614 if (p != NULL && strcmp(p, "yes") == 0)
615 chtype = MBSTRING_UTF8;
616 }
617
618 if (keyfile != NULL) {
619 pkey = load_key(keyfile, keyform, 0, passin, e, "private key");
620 if (pkey == NULL)
621 goto end;
622 app_RAND_load_conf(req_conf, section);
623 }
624 if (keyalg != NULL && pkey != NULL) {
625 BIO_printf(bio_err,
626 "Warning: Not generating key via given -newkey option since -key is given\n");
627 /* Better throw an error in this case */
628 }
629 if (newreq && pkey == NULL) {
630 app_RAND_load_conf(req_conf, section);
631
632 if (!app_conf_try_number(req_conf, section, BITS, &newkey_len))
633 newkey_len = DEFAULT_KEY_LENGTH;
634
635 genctx = set_keygen_ctx(keyalg, &keyalgstr, &newkey_len, gen_eng);
636 if (genctx == NULL)
637 goto end;
638
639 if (newkey_len < MIN_KEY_LENGTH
640 && (EVP_PKEY_CTX_is_a(genctx, "RSA")
641 || EVP_PKEY_CTX_is_a(genctx, "RSA-PSS")
642 || EVP_PKEY_CTX_is_a(genctx, "DSA"))) {
643 BIO_printf(bio_err, "Private key length too short, needs to be at least %d bits, not %ld.\n",
644 MIN_KEY_LENGTH, newkey_len);
645 goto end;
646 }
647
648 if (newkey_len > OPENSSL_RSA_MAX_MODULUS_BITS
649 && (EVP_PKEY_CTX_is_a(genctx, "RSA")
650 || EVP_PKEY_CTX_is_a(genctx, "RSA-PSS")))
651 BIO_printf(bio_err,
652 "Warning: It is not recommended to use more than %d bit for RSA keys.\n"
653 " Your key size is %ld! Larger key size may behave not as expected.\n",
654 OPENSSL_RSA_MAX_MODULUS_BITS, newkey_len);
655
656 #ifndef OPENSSL_NO_DSA
657 if (EVP_PKEY_CTX_is_a(genctx, "DSA")
658 && newkey_len > OPENSSL_DSA_MAX_MODULUS_BITS)
659 BIO_printf(bio_err,
660 "Warning: It is not recommended to use more than %d bit for DSA keys.\n"
661 " Your key size is %ld! Larger key size may behave not as expected.\n",
662 OPENSSL_DSA_MAX_MODULUS_BITS, newkey_len);
663 #endif
664
665 if (pkeyopts != NULL) {
666 char *genopt;
667 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
668 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
669 if (pkey_ctrl_string(genctx, genopt) <= 0) {
670 BIO_printf(bio_err, "Key parameter error \"%s\"\n", genopt);
671 goto end;
672 }
673 }
674 }
675
676 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
677 if (progress)
678 EVP_PKEY_CTX_set_cb(genctx, progress_cb);
679
680 pkey = app_keygen(genctx, keyalgstr, newkey_len, verbose);
681 if (pkey == NULL)
682 goto end;
683
684 EVP_PKEY_CTX_free(genctx);
685 genctx = NULL;
686 }
687 if (keyout == NULL && keyfile == NULL)
688 keyout = app_conf_try_string(req_conf, section, KEYFILE);
689
690 if (pkey != NULL && (keyfile == NULL || keyout != NULL)) {
691 if (verbose) {
692 BIO_printf(bio_err, "Writing private key to ");
693 if (keyout == NULL)
694 BIO_printf(bio_err, "stdout\n");
695 else
696 BIO_printf(bio_err, "'%s'\n", keyout);
697 }
698 out = bio_open_owner(keyout, outformat, newreq);
699 if (out == NULL)
700 goto end;
701
702 p = app_conf_try_string(req_conf, section, "encrypt_rsa_key");
703 if (p == NULL)
704 p = app_conf_try_string(req_conf, section, "encrypt_key");
705 if (p != NULL && strcmp(p, "no") == 0)
706 cipher = NULL;
707 if (noenc)
708 cipher = NULL;
709
710 i = 0;
711 loop:
712 if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
713 NULL, 0, NULL, passout)) {
714 if ((ERR_GET_REASON(ERR_peek_error()) ==
715 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
716 ERR_clear_error();
717 i++;
718 goto loop;
719 }
720 goto end;
721 }
722 BIO_free_all(out);
723 out = NULL;
724 BIO_printf(bio_err, "-----\n");
725 }
726
727 /*
728 * subj is expected to be in the format /type0=value0/type1=value1/type2=...
729 * where characters may be escaped by \
730 */
731 if (subj != NULL
732 && (fsubj = parse_name(subj, chtype, multirdn, "subject")) == NULL)
733 goto end;
734
735 if (!newreq) {
736 if (keyfile != NULL)
737 BIO_printf(bio_err,
738 "Warning: Not placing -key in cert or request since request is used\n");
739 req = load_csr_autofmt(infile /* if NULL, reads from stdin */,
740 informat, vfyopts, "X509 request");
741 if (req == NULL)
742 goto end;
743 } else if (infile != NULL) {
744 BIO_printf(bio_err,
745 "Warning: Ignoring -in option since -new or -newkey or -precert is given\n");
746 /* Better throw an error in this case, as done in the x509 app */
747 }
748
749 if (CAkeyfile == NULL)
750 CAkeyfile = CAfile;
751 if (CAkeyfile != NULL) {
752 if (CAfile == NULL) {
753 BIO_printf(bio_err,
754 "Warning: Ignoring -CAkey option since no -CA option is given\n");
755 } else {
756 if ((CAkey = load_key(CAkeyfile, FORMAT_UNDEF,
757 0, passin, e,
758 CAkeyfile != CAfile
759 ? "issuer private key from -CAkey arg"
760 : "issuer private key from -CA arg")) == NULL)
761 goto end;
762 }
763 }
764 if (CAfile != NULL) {
765 if ((CAcert = load_cert_pass(CAfile, FORMAT_UNDEF, 1, passin,
766 "issuer cert from -CA arg")) == NULL)
767 goto end;
768 if (!X509_check_private_key(CAcert, CAkey)) {
769 BIO_printf(bio_err,
770 "Issuer CA certificate and key do not match\n");
771 goto end;
772 }
773 }
774 if (newreq || gen_x509) {
775 if (CAcert == NULL && pkey == NULL) {
776 BIO_printf(bio_err, "Must provide a signature key using -key or"
777 " provide -CA / -CAkey\n");
778 goto end;
779 }
780
781 if (req == NULL) {
782 req = X509_REQ_new_ex(app_get0_libctx(), app_get0_propq());
783 if (req == NULL) {
784 goto end;
785 }
786
787 if (!make_REQ(req, pkey, fsubj, multirdn, !gen_x509, chtype)) {
788 BIO_printf(bio_err, "Error making certificate request\n");
789 goto end;
790 }
791 /* Note that -x509 can take over -key and -subj option values. */
792 }
793 if (gen_x509) {
794 EVP_PKEY *pub_key = X509_REQ_get0_pubkey(req);
795 EVP_PKEY *issuer_key = CAcert != NULL ? CAkey : pkey;
796 X509V3_CTX ext_ctx;
797 X509_NAME *issuer = CAcert != NULL ? X509_get_subject_name(CAcert) :
798 X509_REQ_get_subject_name(req);
799 X509_NAME *n_subj = fsubj != NULL ? fsubj :
800 X509_REQ_get_subject_name(req);
801
802 if (CAcert != NULL && keyfile != NULL)
803 BIO_printf(bio_err,
804 "Warning: Not using -key or -newkey for signing since -CA option is given\n");
805
806 if ((new_x509 = X509_new_ex(app_get0_libctx(),
807 app_get0_propq())) == NULL)
808 goto end;
809
810 if (serial != NULL) {
811 if (!X509_set_serialNumber(new_x509, serial))
812 goto end;
813 } else {
814 if (!rand_serial(NULL, X509_get_serialNumber(new_x509)))
815 goto end;
816 }
817
818 if (!X509_set_issuer_name(new_x509, issuer))
819 goto end;
820 if (days == UNSET_DAYS)
821 days = DEFAULT_DAYS;
822 else if (not_after != NULL)
823 BIO_printf(bio_err,"Warning: -not_after option overriding -days option\n");
824 if (!set_cert_times(new_x509, not_before, not_after, days, 1))
825 goto end;
826 if (!X509_set_subject_name(new_x509, n_subj))
827 goto end;
828 if (!pub_key || !X509_set_pubkey(new_x509, pub_key))
829 goto end;
830 if (ext_copy == EXT_COPY_UNSET) {
831 if (infile != NULL)
832 BIO_printf(bio_err, "Warning: No -copy_extensions given; ignoring any extensions in the request\n");
833 } else if (!copy_extensions(new_x509, req, ext_copy)) {
834 BIO_printf(bio_err, "Error copying extensions from request\n");
835 goto end;
836 }
837
838 /* Set up V3 context struct */
839 X509V3_set_ctx(&ext_ctx, CAcert != NULL ? CAcert : new_x509,
840 new_x509, NULL, NULL, X509V3_CTX_REPLACE);
841 /* prepare fallback for AKID, but only if issuer cert == new_x509 */
842 if (CAcert == NULL) {
843 if (!X509V3_set_issuer_pkey(&ext_ctx, issuer_key))
844 goto end;
845 if (!cert_matches_key(new_x509, issuer_key))
846 BIO_printf(bio_err,
847 "Warning: Signature key and public key of cert do not match\n");
848 }
849 X509V3_set_nconf(&ext_ctx, req_conf);
850
851 /* Add extensions */
852 if (extsect != NULL
853 && !X509V3_EXT_add_nconf(req_conf, &ext_ctx, extsect, new_x509)) {
854 BIO_printf(bio_err, "Error adding x509 extensions from section %s\n",
855 extsect);
856 goto end;
857 }
858 if (addext_conf != NULL
859 && !X509V3_EXT_add_nconf(addext_conf, &ext_ctx, "default",
860 new_x509)) {
861 BIO_printf(bio_err, "Error adding x509 extensions defined via -addext\n");
862 goto end;
863 }
864
865 /* If a pre-cert was requested, we need to add a poison extension */
866 if (precert) {
867 if (X509_add1_ext_i2d(new_x509, NID_ct_precert_poison,
868 NULL, 1, 0) != 1) {
869 BIO_printf(bio_err, "Error adding poison extension\n");
870 goto end;
871 }
872 }
873
874 i = do_X509_sign(new_x509, x509v1, issuer_key, digest, sigopts,
875 &ext_ctx);
876 if (!i)
877 goto end;
878 } else {
879 X509V3_CTX ext_ctx;
880
881 if (precert) {
882 BIO_printf(bio_err,
883 "Warning: Ignoring -precert flag since no cert is produced\n");
884 }
885 /* Set up V3 context struct */
886 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, X509V3_CTX_REPLACE);
887 X509V3_set_nconf(&ext_ctx, req_conf);
888
889 /* Add extensions */
890 if (extsect != NULL
891 && !X509V3_EXT_REQ_add_nconf(req_conf, &ext_ctx, extsect, req)) {
892 BIO_printf(bio_err, "Error adding request extensions from section %s\n",
893 extsect);
894 goto end;
895 }
896 if (addext_conf != NULL
897 && !X509V3_EXT_REQ_add_nconf(addext_conf, &ext_ctx, "default",
898 req)) {
899 BIO_printf(bio_err, "Error adding request extensions defined via -addext\n");
900 goto end;
901 }
902 i = do_X509_REQ_sign(req, pkey, digest, sigopts);
903 if (!i)
904 goto end;
905 }
906 }
907
908 if (subj != NULL && !newreq && !gen_x509) {
909 if (verbose) {
910 BIO_printf(out, "Modifying subject of certificate request\n");
911 print_name(out, "Old subject=", X509_REQ_get_subject_name(req));
912 }
913
914 if (!X509_REQ_set_subject_name(req, fsubj)) {
915 BIO_printf(bio_err, "Error modifying subject of certificate request\n");
916 goto end;
917 }
918
919 if (verbose) {
920 print_name(out, "New subject=", X509_REQ_get_subject_name(req));
921 }
922 }
923
924 if (verify) {
925 EVP_PKEY *tpubkey = pkey;
926
927 if (tpubkey == NULL) {
928 tpubkey = X509_REQ_get0_pubkey(req);
929 if (tpubkey == NULL)
930 goto end;
931 }
932
933 i = do_X509_REQ_verify(req, tpubkey, vfyopts);
934
935 if (i < 0)
936 goto end;
937 if (i == 0) {
938 BIO_printf(bio_err, "Certificate request self-signature verify failure\n");
939 goto end;
940 } else /* i > 0 */
941 BIO_printf(bio_out, "Certificate request self-signature verify OK\n");
942 }
943
944 if (noout && !text && !modulus && !subject && !pubkey) {
945 ret = 0;
946 goto end;
947 }
948
949 out = bio_open_default(outfile,
950 keyout != NULL && outfile != NULL &&
951 strcmp(keyout, outfile) == 0 ? 'a' : 'w',
952 outformat);
953 if (out == NULL)
954 goto end;
955
956 if (pubkey) {
957 EVP_PKEY *tpubkey = X509_REQ_get0_pubkey(req);
958
959 if (tpubkey == NULL) {
960 BIO_printf(bio_err, "Error getting public key\n");
961 goto end;
962 }
963 PEM_write_bio_PUBKEY(out, tpubkey);
964 }
965
966 if (text) {
967 if (gen_x509)
968 ret = X509_print_ex(out, new_x509, get_nameopt(), reqflag);
969 else
970 ret = X509_REQ_print_ex(out, req, get_nameopt(), reqflag);
971
972 if (ret == 0) {
973 if (gen_x509)
974 BIO_printf(bio_err, "Error printing certificate\n");
975 else
976 BIO_printf(bio_err, "Error printing certificate request\n");
977 goto end;
978 }
979 }
980
981 if (subject) {
982 print_name(out, "subject=", gen_x509
983 ? X509_get_subject_name(new_x509)
984 : X509_REQ_get_subject_name(req));
985 }
986
987 if (modulus) {
988 EVP_PKEY *tpubkey;
989
990 if (gen_x509)
991 tpubkey = X509_get0_pubkey(new_x509);
992 else
993 tpubkey = X509_REQ_get0_pubkey(req);
994 if (tpubkey == NULL) {
995 BIO_puts(bio_err, "Modulus is unavailable\n");
996 goto end;
997 }
998 BIO_puts(out, "Modulus=");
999 if (EVP_PKEY_is_a(tpubkey, "RSA") || EVP_PKEY_is_a(tpubkey, "RSA-PSS")) {
1000 BIGNUM *n = NULL;
1001
1002 if (!EVP_PKEY_get_bn_param(tpubkey, "n", &n))
1003 goto end;
1004 BN_print(out, n);
1005 BN_free(n);
1006 } else {
1007 BIO_puts(out, "Wrong Algorithm type");
1008 }
1009 BIO_puts(out, "\n");
1010 }
1011
1012 if (!noout && !gen_x509) {
1013 if (outformat == FORMAT_ASN1)
1014 i = i2d_X509_REQ_bio(out, req);
1015 else if (newhdr)
1016 i = PEM_write_bio_X509_REQ_NEW(out, req);
1017 else
1018 i = PEM_write_bio_X509_REQ(out, req);
1019 if (!i) {
1020 BIO_printf(bio_err, "Unable to write certificate request\n");
1021 goto end;
1022 }
1023 }
1024 if (!noout && gen_x509 && new_x509 != NULL) {
1025 if (outformat == FORMAT_ASN1)
1026 i = i2d_X509_bio(out, new_x509);
1027 else
1028 i = PEM_write_bio_X509(out, new_x509);
1029 if (!i) {
1030 BIO_printf(bio_err, "Unable to write X509 certificate\n");
1031 goto end;
1032 }
1033 }
1034 ret = 0;
1035 end:
1036 if (ret) {
1037 ERR_print_errors(bio_err);
1038 }
1039 NCONF_free(req_conf);
1040 NCONF_free(addext_conf);
1041 BIO_free(addext_bio);
1042 BIO_free_all(out);
1043 EVP_PKEY_free(pkey);
1044 EVP_PKEY_CTX_free(genctx);
1045 sk_OPENSSL_STRING_free(pkeyopts);
1046 sk_OPENSSL_STRING_free(sigopts);
1047 sk_OPENSSL_STRING_free(vfyopts);
1048 lh_OPENSSL_STRING_doall(addexts, exts_cleanup);
1049 lh_OPENSSL_STRING_free(addexts);
1050 #ifndef OPENSSL_NO_ENGINE
1051 release_engine(gen_eng);
1052 #endif
1053 OPENSSL_free(keyalgstr);
1054 X509_REQ_free(req);
1055 X509_NAME_free(fsubj);
1056 X509_free(new_x509);
1057 X509_free(CAcert);
1058 EVP_PKEY_free(CAkey);
1059 ASN1_INTEGER_free(serial);
1060 release_engine(e);
1061 if (passin != nofree_passin)
1062 OPENSSL_free(passin);
1063 if (passout != nofree_passout)
1064 OPENSSL_free(passout);
1065 return ret;
1066 }
1067
1068 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, X509_NAME *fsubj,
1069 int multirdn, int attribs, unsigned long chtype)
1070 {
1071 int ret = 0, i;
1072 char no_prompt = 0;
1073 STACK_OF(CONF_VALUE) *dn_sk = NULL, *attr_sk = NULL;
1074 char *tmp, *dn_sect, *attr_sect;
1075
1076 tmp = app_conf_try_string(req_conf, section, PROMPT);
1077 if (tmp != NULL && strcmp(tmp, "no") == 0)
1078 no_prompt = 1;
1079
1080 dn_sect = app_conf_try_string(req_conf, section, DISTINGUISHED_NAME);
1081 if (dn_sect != NULL) {
1082 dn_sk = NCONF_get_section(req_conf, dn_sect);
1083 if (dn_sk == NULL) {
1084 BIO_printf(bio_err, "Unable to get '%s' section\n", dn_sect);
1085 goto err;
1086 }
1087 }
1088
1089 attr_sect = app_conf_try_string(req_conf, section, ATTRIBUTES);
1090 if (attr_sect != NULL) {
1091 attr_sk = NCONF_get_section(req_conf, attr_sect);
1092 if (attr_sk == NULL) {
1093 BIO_printf(bio_err, "Unable to get '%s' section\n", attr_sect);
1094 goto err;
1095 }
1096 }
1097
1098 /* so far there is only version 1 */
1099 if (!X509_REQ_set_version(req, X509_REQ_VERSION_1))
1100 goto err;
1101
1102 if (fsubj != NULL)
1103 i = X509_REQ_set_subject_name(req, fsubj);
1104 else if (no_prompt)
1105 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1106 else
1107 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs,
1108 chtype);
1109 if (!i)
1110 goto err;
1111
1112 if (!X509_REQ_set_pubkey(req, pkey))
1113 goto err;
1114
1115 ret = 1;
1116 err:
1117 return ret;
1118 }
1119
1120 static int prompt_info(X509_REQ *req,
1121 STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
1122 STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
1123 int attribs, unsigned long chtype)
1124 {
1125 int i;
1126 char *p, *q;
1127 char buf[100];
1128 int nid, mval;
1129 long n_min, n_max;
1130 char *type, *value;
1131 const char *def;
1132 CONF_VALUE *v;
1133 X509_NAME *subj = X509_REQ_get_subject_name(req);
1134
1135 if (!batch) {
1136 BIO_printf(bio_err,
1137 "You are about to be asked to enter information that will be incorporated\n");
1138 BIO_printf(bio_err, "into your certificate request.\n");
1139 BIO_printf(bio_err,
1140 "What you are about to enter is what is called a Distinguished Name or a DN.\n");
1141 BIO_printf(bio_err,
1142 "There are quite a few fields but you can leave some blank\n");
1143 BIO_printf(bio_err,
1144 "For some fields there will be a default value,\n");
1145 BIO_printf(bio_err,
1146 "If you enter '.', the field will be left blank.\n");
1147 BIO_printf(bio_err, "-----\n");
1148 }
1149
1150 if (sk_CONF_VALUE_num(dn_sk)) {
1151 i = -1;
1152 start:
1153 for (;;) {
1154 i++;
1155 if (sk_CONF_VALUE_num(dn_sk) <= i)
1156 break;
1157
1158 v = sk_CONF_VALUE_value(dn_sk, i);
1159 p = q = NULL;
1160 type = v->name;
1161 if (!check_end(type, "_min") || !check_end(type, "_max") ||
1162 !check_end(type, "_default") || !check_end(type, "_value"))
1163 continue;
1164 /*
1165 * Skip past any leading X. X: X, etc to allow for multiple
1166 * instances
1167 */
1168 for (p = v->name; *p; p++)
1169 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1170 p++;
1171 if (*p)
1172 type = p;
1173 break;
1174 }
1175 if (*type == '+') {
1176 mval = -1;
1177 type++;
1178 } else {
1179 mval = 0;
1180 }
1181 /* If OBJ not recognised ignore it */
1182 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1183 goto start;
1184 if (!join(buf, sizeof(buf), v->name, "_default", "Name"))
1185 return 0;
1186 if ((def = app_conf_try_string(req_conf, dn_sect, buf)) == NULL)
1187 def = "";
1188
1189 if (!join(buf, sizeof(buf), v->name, "_value", "Name"))
1190 return 0;
1191 if ((value = app_conf_try_string(req_conf, dn_sect, buf)) == NULL)
1192 value = NULL;
1193
1194 if (!join(buf, sizeof(buf), v->name, "_min", "Name"))
1195 return 0;
1196 if (!app_conf_try_number(req_conf, dn_sect, buf, &n_min))
1197 n_min = -1;
1198
1199 if (!join(buf, sizeof(buf), v->name, "_max", "Name"))
1200 return 0;
1201 if (!app_conf_try_number(req_conf, dn_sect, buf, &n_max))
1202 n_max = -1;
1203
1204 if (!add_DN_object(subj, v->value, def, value, nid,
1205 n_min, n_max, chtype, mval))
1206 return 0;
1207 }
1208 if (X509_NAME_entry_count(subj) == 0) {
1209 BIO_printf(bio_err, "Error: No objects specified in config file\n");
1210 return 0;
1211 }
1212
1213 if (attribs) {
1214 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0)
1215 && (!batch)) {
1216 BIO_printf(bio_err,
1217 "\nPlease enter the following 'extra' attributes\n");
1218 BIO_printf(bio_err,
1219 "to be sent with your certificate request\n");
1220 }
1221
1222 i = -1;
1223 start2:
1224 for (;;) {
1225 i++;
1226 if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i))
1227 break;
1228
1229 v = sk_CONF_VALUE_value(attr_sk, i);
1230 type = v->name;
1231 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1232 goto start2;
1233
1234 if (!join(buf, sizeof(buf), type, "_default", "Name"))
1235 return 0;
1236 def = app_conf_try_string(req_conf, attr_sect, buf);
1237 if (def == NULL)
1238 def = "";
1239
1240 if (!join(buf, sizeof(buf), type, "_value", "Name"))
1241 return 0;
1242 value = app_conf_try_string(req_conf, attr_sect, buf);
1243
1244 if (!join(buf, sizeof(buf), type, "_min", "Name"))
1245 return 0;
1246 if (!app_conf_try_number(req_conf, attr_sect, buf, &n_min))
1247 n_min = -1;
1248
1249 if (!join(buf, sizeof(buf), type, "_max", "Name"))
1250 return 0;
1251 if (!app_conf_try_number(req_conf, attr_sect, buf, &n_max))
1252 n_max = -1;
1253
1254 if (!add_attribute_object(req,
1255 v->value, def, value, nid, n_min,
1256 n_max, chtype))
1257 return 0;
1258 }
1259 }
1260 } else {
1261 BIO_printf(bio_err, "No template, please set one up.\n");
1262 return 0;
1263 }
1264
1265 return 1;
1266
1267 }
1268
1269 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1270 STACK_OF(CONF_VALUE) *attr_sk, int attribs,
1271 unsigned long chtype)
1272 {
1273 int i, spec_char, plus_char;
1274 char *p, *q;
1275 char *type;
1276 CONF_VALUE *v;
1277 X509_NAME *subj;
1278
1279 subj = X509_REQ_get_subject_name(req);
1280
1281 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1282 int mval;
1283 v = sk_CONF_VALUE_value(dn_sk, i);
1284 p = q = NULL;
1285 type = v->name;
1286 /*
1287 * Skip past any leading X. X: X, etc to allow for multiple instances
1288 */
1289 for (p = v->name; *p; p++) {
1290 #ifndef CHARSET_EBCDIC
1291 spec_char = (*p == ':' || *p == ',' || *p == '.');
1292 #else
1293 spec_char = (*p == os_toascii[':'] || *p == os_toascii[',']
1294 || *p == os_toascii['.']);
1295 #endif
1296 if (spec_char) {
1297 p++;
1298 if (*p)
1299 type = p;
1300 break;
1301 }
1302 }
1303 #ifndef CHARSET_EBCDIC
1304 plus_char = (*type == '+');
1305 #else
1306 plus_char = (*type == os_toascii['+']);
1307 #endif
1308 if (plus_char) {
1309 type++;
1310 mval = -1;
1311 } else {
1312 mval = 0;
1313 }
1314 if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1315 (unsigned char *)v->value, -1, -1,
1316 mval))
1317 return 0;
1318
1319 }
1320
1321 if (!X509_NAME_entry_count(subj)) {
1322 BIO_printf(bio_err, "Error: No objects specified in config file\n");
1323 return 0;
1324 }
1325 if (attribs) {
1326 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1327 v = sk_CONF_VALUE_value(attr_sk, i);
1328 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1329 (unsigned char *)v->value, -1))
1330 return 0;
1331 }
1332 }
1333 return 1;
1334 }
1335
1336 static int add_DN_object(X509_NAME *n, char *text, const char *def,
1337 char *value, int nid, int n_min, int n_max,
1338 unsigned long chtype, int mval)
1339 {
1340 int ret = 0;
1341 char buf[1024];
1342
1343 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1344 "DN value", "DN default");
1345 if ((ret == 0) || (ret == 1))
1346 return ret;
1347 ret = 1;
1348
1349 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1350 (unsigned char *)buf, -1, -1, mval))
1351 ret = 0;
1352
1353 return ret;
1354 }
1355
1356 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1357 char *value, int nid, int n_min,
1358 int n_max, unsigned long chtype)
1359 {
1360 int ret = 0;
1361 char buf[1024];
1362
1363 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1364 "Attribute value", "Attribute default");
1365 if ((ret == 0) || (ret == 1))
1366 return ret;
1367 ret = 1;
1368
1369 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1370 (unsigned char *)buf, -1)) {
1371 BIO_printf(bio_err, "Error adding attribute\n");
1372 ret = 0;
1373 }
1374
1375 return ret;
1376 }
1377
1378 static int build_data(char *text, const char *def, char *value,
1379 int n_min, int n_max, char *buf, const int buf_size,
1380 const char *desc1, const char *desc2)
1381 {
1382 int i;
1383 start:
1384 if (!batch)
1385 BIO_printf(bio_err, "%s [%s]:", text, def);
1386 (void)BIO_flush(bio_err);
1387 if (value != NULL) {
1388 if (!join(buf, buf_size, value, "\n", desc1))
1389 return 0;
1390 BIO_printf(bio_err, "%s\n", value);
1391 } else {
1392 buf[0] = '\0';
1393 if (!batch) {
1394 if (!fgets(buf, buf_size, stdin))
1395 return 0;
1396 } else {
1397 buf[0] = '\n';
1398 buf[1] = '\0';
1399 }
1400 }
1401
1402 if (buf[0] == '\0')
1403 return 0;
1404 if (buf[0] == '\n') {
1405 if ((def == NULL) || (def[0] == '\0'))
1406 return 1;
1407 if (!join(buf, buf_size, def, "\n", desc2))
1408 return 0;
1409 } else if ((buf[0] == '.') && (buf[1] == '\n')) {
1410 return 1;
1411 }
1412
1413 i = strlen(buf);
1414 if (buf[i - 1] != '\n') {
1415 BIO_printf(bio_err, "Missing newline at end of input\n");
1416 return 0;
1417 }
1418 buf[--i] = '\0';
1419 #ifdef CHARSET_EBCDIC
1420 ebcdic2ascii(buf, buf, i);
1421 #endif
1422 if (!req_check_len(i, n_min, n_max)) {
1423 if (batch || value)
1424 return 0;
1425 goto start;
1426 }
1427 return 2;
1428 }
1429
1430 static int req_check_len(int len, int n_min, int n_max)
1431 {
1432 if (n_min > 0 && len < n_min) {
1433 BIO_printf(bio_err,
1434 "String too short, must be at least %d bytes long\n", n_min);
1435 return 0;
1436 }
1437 if (n_max >= 0 && len > n_max) {
1438 BIO_printf(bio_err,
1439 "String too long, must be at most %d bytes long\n", n_max);
1440 return 0;
1441 }
1442 return 1;
1443 }
1444
1445 /* Check if the end of a string matches 'end' */
1446 static int check_end(const char *str, const char *end)
1447 {
1448 size_t elen, slen;
1449 const char *tmp;
1450
1451 elen = strlen(end);
1452 slen = strlen(str);
1453 if (elen > slen)
1454 return 1;
1455 tmp = str + slen - elen;
1456 return strcmp(tmp, end);
1457 }
1458
1459 /*
1460 * Merge the two strings together into the result buffer checking for
1461 * overflow and producing an error message if there is.
1462 */
1463 static int join(char buf[], size_t buf_size, const char *name,
1464 const char *tail, const char *desc)
1465 {
1466 const size_t name_len = strlen(name), tail_len = strlen(tail);
1467
1468 if (name_len + tail_len + 1 > buf_size) {
1469 BIO_printf(bio_err, "%s '%s' too long\n", desc, name);
1470 return 0;
1471 }
1472 memcpy(buf, name, name_len);
1473 memcpy(buf + name_len, tail, tail_len + 1);
1474 return 1;
1475 }
1476
1477 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
1478 char **pkeytype, long *pkeylen,
1479 ENGINE *keygen_engine)
1480 {
1481 EVP_PKEY_CTX *gctx = NULL;
1482 EVP_PKEY *param = NULL;
1483 long keylen = -1;
1484 BIO *pbio = NULL;
1485 const char *keytype = NULL;
1486 size_t keytypelen = 0;
1487 int expect_paramfile = 0;
1488 const char *paramfile = NULL;
1489
1490 /* Treat the first part of gstr, and only that */
1491 if (gstr == NULL) {
1492 /*
1493 * Special case: when no string given, default to RSA and the
1494 * key length given by |*pkeylen|.
1495 */
1496 keytype = "RSA";
1497 keylen = *pkeylen;
1498 } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1499 /* Special case: only keylength given from string, so default to RSA */
1500 keytype = "RSA";
1501 /* The second part treatment will do the rest */
1502 } else {
1503 const char *p = strchr(gstr, ':');
1504 int len;
1505
1506 if (p != NULL)
1507 len = p - gstr;
1508 else
1509 len = strlen(gstr);
1510
1511 if (strncmp(gstr, "param", len) == 0) {
1512 expect_paramfile = 1;
1513 if (p == NULL) {
1514 BIO_printf(bio_err,
1515 "Parameter file requested but no path given: %s\n",
1516 gstr);
1517 return NULL;
1518 }
1519 } else {
1520 keytype = gstr;
1521 keytypelen = len;
1522 }
1523
1524 if (p != NULL)
1525 gstr = gstr + len + 1;
1526 else
1527 gstr = NULL;
1528 }
1529
1530 /* Treat the second part of gstr, if there is one */
1531 if (gstr != NULL) {
1532 /* If the second part starts with a digit, we assume it's a size */
1533 if (!expect_paramfile && gstr[0] >= '0' && gstr[0] <= '9')
1534 keylen = atol(gstr);
1535 else
1536 paramfile = gstr;
1537 }
1538
1539 if (paramfile != NULL) {
1540 pbio = BIO_new_file(paramfile, "r");
1541 if (pbio == NULL) {
1542 BIO_printf(bio_err, "Cannot open parameter file %s\n", paramfile);
1543 return NULL;
1544 }
1545 param = PEM_read_bio_Parameters(pbio, NULL);
1546
1547 if (param == NULL) {
1548 X509 *x;
1549
1550 (void)BIO_reset(pbio);
1551 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1552 if (x != NULL) {
1553 param = X509_get_pubkey(x);
1554 X509_free(x);
1555 }
1556 }
1557
1558 BIO_free(pbio);
1559
1560 if (param == NULL) {
1561 BIO_printf(bio_err, "Error reading parameter file %s\n", paramfile);
1562 return NULL;
1563 }
1564 if (keytype == NULL) {
1565 keytype = EVP_PKEY_get0_type_name(param);
1566 if (keytype == NULL) {
1567 EVP_PKEY_free(param);
1568 BIO_puts(bio_err, "Unable to determine key type\n");
1569 return NULL;
1570 }
1571 }
1572 }
1573
1574 if (keytypelen > 0)
1575 *pkeytype = OPENSSL_strndup(keytype, keytypelen);
1576 else
1577 *pkeytype = OPENSSL_strdup(keytype);
1578
1579 if (*pkeytype == NULL) {
1580 BIO_printf(bio_err, "Out of memory\n");
1581 EVP_PKEY_free(param);
1582 return NULL;
1583 }
1584
1585 if (keylen >= 0)
1586 *pkeylen = keylen;
1587
1588 if (param != NULL) {
1589 if (!EVP_PKEY_is_a(param, *pkeytype)) {
1590 BIO_printf(bio_err, "Key type does not match parameters\n");
1591 EVP_PKEY_free(param);
1592 return NULL;
1593 }
1594
1595 if (keygen_engine != NULL)
1596 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1597 else
1598 gctx = EVP_PKEY_CTX_new_from_pkey(app_get0_libctx(),
1599 param, app_get0_propq());
1600 *pkeylen = EVP_PKEY_get_bits(param);
1601 EVP_PKEY_free(param);
1602 } else {
1603 if (keygen_engine != NULL) {
1604 int pkey_id = get_legacy_pkey_id(app_get0_libctx(), *pkeytype,
1605 keygen_engine);
1606
1607 if (pkey_id != NID_undef)
1608 gctx = EVP_PKEY_CTX_new_id(pkey_id, keygen_engine);
1609 } else {
1610 gctx = EVP_PKEY_CTX_new_from_name(app_get0_libctx(),
1611 *pkeytype, app_get0_propq());
1612 }
1613 }
1614
1615 if (gctx == NULL) {
1616 BIO_puts(bio_err, "Error allocating keygen context\n");
1617 return NULL;
1618 }
1619
1620 if (EVP_PKEY_keygen_init(gctx) <= 0) {
1621 BIO_puts(bio_err, "Error initializing keygen context\n");
1622 EVP_PKEY_CTX_free(gctx);
1623 return NULL;
1624 }
1625 if (keylen == -1 && (EVP_PKEY_CTX_is_a(gctx, "RSA")
1626 || EVP_PKEY_CTX_is_a(gctx, "RSA-PSS")))
1627 keylen = *pkeylen;
1628
1629 if (keylen != -1) {
1630 OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END };
1631 size_t bits = keylen;
1632
1633 params[0] =
1634 OSSL_PARAM_construct_size_t(OSSL_PKEY_PARAM_BITS, &bits);
1635 if (EVP_PKEY_CTX_set_params(gctx, params) <= 0) {
1636 BIO_puts(bio_err, "Error setting keysize\n");
1637 EVP_PKEY_CTX_free(gctx);
1638 return NULL;
1639 }
1640 }
1641
1642 return gctx;
1643 }
1644
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