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