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1 /* apps/req.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59 #include <stdio.h>
60 #include <stdlib.h>
61 #include <time.h>
62 #include <string.h>
63 #ifdef OPENSSL_NO_STDIO
64 #define APPS_WIN16
65 #endif
66 #include "apps.h"
67 #include <openssl/bio.h>
68 #include <openssl/evp.h>
69 #include <openssl/conf.h>
70 #include <openssl/err.h>
71 #include <openssl/asn1.h>
72 #include <openssl/x509.h>
73 #include <openssl/x509v3.h>
74 #include <openssl/objects.h>
75 #include <openssl/pem.h>
76 #include <openssl/bn.h>
77 #ifndef OPENSSL_NO_RSA
78 #include <openssl/rsa.h>
79 #endif
80 #ifndef OPENSSL_NO_DSA
81 #include <openssl/dsa.h>
82 #endif
83
84 #define SECTION "req"
85
86 #define BITS "default_bits"
87 #define KEYFILE "default_keyfile"
88 #define PROMPT "prompt"
89 #define DISTINGUISHED_NAME "distinguished_name"
90 #define ATTRIBUTES "attributes"
91 #define V3_EXTENSIONS "x509_extensions"
92 #define REQ_EXTENSIONS "req_extensions"
93 #define STRING_MASK "string_mask"
94 #define UTF8_IN "utf8"
95
96 #define DEFAULT_KEY_LENGTH 512
97 #define MIN_KEY_LENGTH 384
98
99 #undef PROG
100 #define PROG req_main
101
102 /*-
103 * -inform arg - input format - default PEM (DER or PEM)
104 * -outform arg - output format - default PEM
105 * -in arg - input file - default stdin
106 * -out arg - output file - default stdout
107 * -verify - check request signature
108 * -noout - don't print stuff out.
109 * -text - print out human readable text.
110 * -nodes - no des encryption
111 * -config file - Load configuration file.
112 * -key file - make a request using key in file (or use it for verification).
113 * -keyform arg - key file format.
114 * -rand file(s) - load the file(s) into the PRNG.
115 * -newkey - make a key and a request.
116 * -modulus - print RSA modulus.
117 * -pubkey - output Public Key.
118 * -x509 - output a self signed X509 structure instead.
119 * -asn1-kludge - output new certificate request in a format that some CA's
120 * require. This format is wrong
121 */
122
123 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int mutlirdn,
124 int attribs,unsigned long chtype);
125 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
126 int multirdn);
127 static int prompt_info(X509_REQ *req,
128 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
129 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
130 unsigned long chtype);
131 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
132 STACK_OF(CONF_VALUE) *attr, int attribs,
133 unsigned long chtype);
134 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
135 char *value, int nid, int n_min,
136 int n_max, unsigned long chtype);
137 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
138 int nid,int n_min,int n_max, unsigned long chtype, int mval);
139 static int genpkey_cb(EVP_PKEY_CTX *ctx);
140 static int req_check_len(int len,int n_min,int n_max);
141 static int check_end(const char *str, const char *end);
142 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
143 long *pkeylen, char **palgnam,
144 ENGINE *keygen_engine);
145 #ifndef MONOLITH
146 static char *default_config_file=NULL;
147 #endif
148 static CONF *req_conf=NULL;
149 static int batch=0;
150
151 int MAIN(int, char **);
152
153 int MAIN(int argc, char **argv)
154 {
155 ENGINE *e = NULL, *gen_eng = NULL;
156 unsigned long nmflag = 0, reqflag = 0;
157 int ex=1,x509=0,days=30;
158 X509 *x509ss=NULL;
159 X509_REQ *req=NULL;
160 EVP_PKEY_CTX *genctx = NULL;
161 const char *keyalg = NULL;
162 char *keyalgstr = NULL;
163 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL;
164 EVP_PKEY *pkey=NULL;
165 int i=0,badops=0,newreq=0,verbose=0,pkey_type=-1;
166 long newkey = -1;
167 BIO *in=NULL,*out=NULL;
168 int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
169 int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
170 char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
171 #ifndef OPENSSL_NO_ENGINE
172 char *engine=NULL;
173 #endif
174 char *extensions = NULL;
175 char *req_exts = NULL;
176 const EVP_CIPHER *cipher=NULL;
177 ASN1_INTEGER *serial = NULL;
178 int modulus=0;
179 char *inrand=NULL;
180 char *passargin = NULL, *passargout = NULL;
181 char *passin = NULL, *passout = NULL;
182 char *p;
183 char *subj = NULL;
184 int multirdn = 0;
185 const EVP_MD *md_alg=NULL,*digest=NULL;
186 unsigned long chtype = MBSTRING_ASC;
187 #ifndef MONOLITH
188 char *to_free;
189 long errline;
190 #endif
191
192 req_conf = NULL;
193 #ifndef OPENSSL_NO_DES
194 cipher=EVP_des_ede3_cbc();
195 #endif
196 apps_startup();
197
198 if (bio_err == NULL)
199 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
200 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
201
202 infile=NULL;
203 outfile=NULL;
204 informat=FORMAT_PEM;
205 outformat=FORMAT_PEM;
206
207 prog=argv[0];
208 argc--;
209 argv++;
210 while (argc >= 1)
211 {
212 if (strcmp(*argv,"-inform") == 0)
213 {
214 if (--argc < 1) goto bad;
215 informat=str2fmt(*(++argv));
216 }
217 else if (strcmp(*argv,"-outform") == 0)
218 {
219 if (--argc < 1) goto bad;
220 outformat=str2fmt(*(++argv));
221 }
222 #ifndef OPENSSL_NO_ENGINE
223 else if (strcmp(*argv,"-engine") == 0)
224 {
225 if (--argc < 1) goto bad;
226 engine= *(++argv);
227 }
228 else if (strcmp(*argv,"-keygen_engine") == 0)
229 {
230 if (--argc < 1) goto bad;
231 gen_eng = ENGINE_by_id(*(++argv));
232 if (gen_eng == NULL)
233 {
234 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
235 goto end;
236 }
237 }
238 #endif
239 else if (strcmp(*argv,"-key") == 0)
240 {
241 if (--argc < 1) goto bad;
242 keyfile= *(++argv);
243 }
244 else if (strcmp(*argv,"-pubkey") == 0)
245 {
246 pubkey=1;
247 }
248 else if (strcmp(*argv,"-new") == 0)
249 {
250 newreq=1;
251 }
252 else if (strcmp(*argv,"-config") == 0)
253 {
254 if (--argc < 1) goto bad;
255 template= *(++argv);
256 }
257 else if (strcmp(*argv,"-keyform") == 0)
258 {
259 if (--argc < 1) goto bad;
260 keyform=str2fmt(*(++argv));
261 }
262 else if (strcmp(*argv,"-in") == 0)
263 {
264 if (--argc < 1) goto bad;
265 infile= *(++argv);
266 }
267 else if (strcmp(*argv,"-out") == 0)
268 {
269 if (--argc < 1) goto bad;
270 outfile= *(++argv);
271 }
272 else if (strcmp(*argv,"-keyout") == 0)
273 {
274 if (--argc < 1) goto bad;
275 keyout= *(++argv);
276 }
277 else if (strcmp(*argv,"-passin") == 0)
278 {
279 if (--argc < 1) goto bad;
280 passargin= *(++argv);
281 }
282 else if (strcmp(*argv,"-passout") == 0)
283 {
284 if (--argc < 1) goto bad;
285 passargout= *(++argv);
286 }
287 else if (strcmp(*argv,"-rand") == 0)
288 {
289 if (--argc < 1) goto bad;
290 inrand= *(++argv);
291 }
292 else if (strcmp(*argv,"-newkey") == 0)
293 {
294 if (--argc < 1)
295 goto bad;
296 keyalg = *(++argv);
297 newreq=1;
298 }
299 else if (strcmp(*argv,"-pkeyopt") == 0)
300 {
301 if (--argc < 1)
302 goto bad;
303 if (!pkeyopts)
304 pkeyopts = sk_OPENSSL_STRING_new_null();
305 if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv)))
306 goto bad;
307 }
308 else if (strcmp(*argv,"-sigopt") == 0)
309 {
310 if (--argc < 1)
311 goto bad;
312 if (!sigopts)
313 sigopts = sk_OPENSSL_STRING_new_null();
314 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
315 goto bad;
316 }
317 else if (strcmp(*argv,"-batch") == 0)
318 batch=1;
319 else if (strcmp(*argv,"-newhdr") == 0)
320 newhdr=1;
321 else if (strcmp(*argv,"-modulus") == 0)
322 modulus=1;
323 else if (strcmp(*argv,"-verify") == 0)
324 verify=1;
325 else if (strcmp(*argv,"-nodes") == 0)
326 nodes=1;
327 else if (strcmp(*argv,"-noout") == 0)
328 noout=1;
329 else if (strcmp(*argv,"-verbose") == 0)
330 verbose=1;
331 else if (strcmp(*argv,"-utf8") == 0)
332 chtype = MBSTRING_UTF8;
333 else if (strcmp(*argv,"-nameopt") == 0)
334 {
335 if (--argc < 1) goto bad;
336 if (!set_name_ex(&nmflag, *(++argv))) goto bad;
337 }
338 else if (strcmp(*argv,"-reqopt") == 0)
339 {
340 if (--argc < 1) goto bad;
341 if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
342 }
343 else if (strcmp(*argv,"-subject") == 0)
344 subject=1;
345 else if (strcmp(*argv,"-text") == 0)
346 text=1;
347 else if (strcmp(*argv,"-x509") == 0)
348 x509=1;
349 else if (strcmp(*argv,"-asn1-kludge") == 0)
350 kludge=1;
351 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
352 kludge=0;
353 else if (strcmp(*argv,"-subj") == 0)
354 {
355 if (--argc < 1) goto bad;
356 subj= *(++argv);
357 }
358 else if (strcmp(*argv,"-multivalue-rdn") == 0)
359 multirdn=1;
360 else if (strcmp(*argv,"-days") == 0)
361 {
362 if (--argc < 1) goto bad;
363 days= atoi(*(++argv));
364 if (days == 0) days=30;
365 }
366 else if (strcmp(*argv,"-set_serial") == 0)
367 {
368 if (--argc < 1) goto bad;
369 serial = s2i_ASN1_INTEGER(NULL, *(++argv));
370 if (!serial) goto bad;
371 }
372 else if (strcmp(*argv,"-extensions") == 0)
373 {
374 if (--argc < 1) goto bad;
375 extensions = *(++argv);
376 }
377 else if (strcmp(*argv,"-reqexts") == 0)
378 {
379 if (--argc < 1) goto bad;
380 req_exts = *(++argv);
381 }
382 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
383 {
384 /* ok */
385 digest=md_alg;
386 }
387 else
388 {
389 BIO_printf(bio_err,"unknown option %s\n",*argv);
390 badops=1;
391 break;
392 }
393 argc--;
394 argv++;
395 }
396
397 if (badops)
398 {
399 bad:
400 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
401 BIO_printf(bio_err,"where options are\n");
402 BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
403 BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
404 BIO_printf(bio_err," -in arg input file\n");
405 BIO_printf(bio_err," -out arg output file\n");
406 BIO_printf(bio_err," -text text form of request\n");
407 BIO_printf(bio_err," -pubkey output public key\n");
408 BIO_printf(bio_err," -noout do not output REQ\n");
409 BIO_printf(bio_err," -verify verify signature on REQ\n");
410 BIO_printf(bio_err," -modulus RSA modulus\n");
411 BIO_printf(bio_err," -nodes don't encrypt the output key\n");
412 #ifndef OPENSSL_NO_ENGINE
413 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device\n");
414 #endif
415 BIO_printf(bio_err," -subject output the request's subject\n");
416 BIO_printf(bio_err," -passin private key password source\n");
417 BIO_printf(bio_err," -key file use the private key contained in file\n");
418 BIO_printf(bio_err," -keyform arg key file format\n");
419 BIO_printf(bio_err," -keyout arg file to send the key to\n");
420 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
421 BIO_printf(bio_err," load the file (or the files in the directory) into\n");
422 BIO_printf(bio_err," the random number generator\n");
423 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
424 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
425 #ifndef OPENSSL_NO_ECDSA
426 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
427 #endif
428 BIO_printf(bio_err," -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
429 BIO_printf(bio_err," -config file request template file.\n");
430 BIO_printf(bio_err," -subj arg set or modify request subject\n");
431 BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n");
432 BIO_printf(bio_err," -new new request.\n");
433 BIO_printf(bio_err," -batch do not ask anything during request generation\n");
434 BIO_printf(bio_err," -x509 output a x509 structure instead of a cert. req.\n");
435 BIO_printf(bio_err," -days number of days a certificate generated by -x509 is valid for.\n");
436 BIO_printf(bio_err," -set_serial serial number to use for a certificate generated by -x509.\n");
437 BIO_printf(bio_err," -newhdr output \"NEW\" in the header lines\n");
438 BIO_printf(bio_err," -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n");
439 BIO_printf(bio_err," have been reported as requiring\n");
440 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
441 BIO_printf(bio_err," -reqexts .. specify request extension section (override value in config file)\n");
442 BIO_printf(bio_err," -utf8 input characters are UTF8 (default ASCII)\n");
443 BIO_printf(bio_err," -nameopt arg - various certificate name options\n");
444 BIO_printf(bio_err," -reqopt arg - various request text options\n\n");
445 goto end;
446 }
447
448 ERR_load_crypto_strings();
449 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
450 BIO_printf(bio_err, "Error getting passwords\n");
451 goto end;
452 }
453
454 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
455 /* Lets load up our environment a little */
456 p=getenv("OPENSSL_CONF");
457 if (p == NULL)
458 p=getenv("SSLEAY_CONF");
459 if (p == NULL)
460 p=to_free=make_config_name();
461 default_config_file=p;
462 config=NCONF_new(NULL);
463 i=NCONF_load(config, p, &errline);
464 #endif
465
466 if (template != NULL)
467 {
468 long errline = -1;
469
470 if( verbose )
471 BIO_printf(bio_err,"Using configuration from %s\n",template);
472 req_conf=NCONF_new(NULL);
473 i=NCONF_load(req_conf,template,&errline);
474 if (i == 0)
475 {
476 BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
477 goto end;
478 }
479 }
480 else
481 {
482 req_conf=config;
483
484 if (req_conf == NULL)
485 {
486 BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
487 if (newreq)
488 goto end;
489 }
490 else if( verbose )
491 BIO_printf(bio_err,"Using configuration from %s\n",
492 default_config_file);
493 }
494
495 if (req_conf != NULL)
496 {
497 if (!load_config(bio_err, req_conf))
498 goto end;
499 p=NCONF_get_string(req_conf,NULL,"oid_file");
500 if (p == NULL)
501 ERR_clear_error();
502 if (p != NULL)
503 {
504 BIO *oid_bio;
505
506 oid_bio=BIO_new_file(p,"r");
507 if (oid_bio == NULL)
508 {
509 /*-
510 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
511 ERR_print_errors(bio_err);
512 */
513 }
514 else
515 {
516 OBJ_create_objects(oid_bio);
517 BIO_free(oid_bio);
518 }
519 }
520 }
521 if(!add_oid_section(bio_err, req_conf)) goto end;
522
523 if (md_alg == NULL)
524 {
525 p=NCONF_get_string(req_conf,SECTION,"default_md");
526 if (p == NULL)
527 ERR_clear_error();
528 if (p != NULL)
529 {
530 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
531 digest=md_alg;
532 }
533 }
534
535 if (!extensions)
536 {
537 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
538 if (!extensions)
539 ERR_clear_error();
540 }
541 if (extensions) {
542 /* Check syntax of file */
543 X509V3_CTX ctx;
544 X509V3_set_ctx_test(&ctx);
545 X509V3_set_nconf(&ctx, req_conf);
546 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
547 BIO_printf(bio_err,
548 "Error Loading extension section %s\n", extensions);
549 goto end;
550 }
551 }
552
553 if(!passin)
554 {
555 passin = NCONF_get_string(req_conf, SECTION, "input_password");
556 if (!passin)
557 ERR_clear_error();
558 }
559
560 if(!passout)
561 {
562 passout = NCONF_get_string(req_conf, SECTION, "output_password");
563 if (!passout)
564 ERR_clear_error();
565 }
566
567 p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
568 if (!p)
569 ERR_clear_error();
570
571 if(p && !ASN1_STRING_set_default_mask_asc(p)) {
572 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
573 goto end;
574 }
575
576 if (chtype != MBSTRING_UTF8)
577 {
578 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
579 if (!p)
580 ERR_clear_error();
581 else if (!strcmp(p, "yes"))
582 chtype = MBSTRING_UTF8;
583 }
584
585
586 if(!req_exts)
587 {
588 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
589 if (!req_exts)
590 ERR_clear_error();
591 }
592 if(req_exts) {
593 /* Check syntax of file */
594 X509V3_CTX ctx;
595 X509V3_set_ctx_test(&ctx);
596 X509V3_set_nconf(&ctx, req_conf);
597 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
598 BIO_printf(bio_err,
599 "Error Loading request extension section %s\n",
600 req_exts);
601 goto end;
602 }
603 }
604
605 in=BIO_new(BIO_s_file());
606 out=BIO_new(BIO_s_file());
607 if ((in == NULL) || (out == NULL))
608 goto end;
609
610 #ifndef OPENSSL_NO_ENGINE
611 e = setup_engine(bio_err, engine, 0);
612 #endif
613
614 if (keyfile != NULL)
615 {
616 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
617 "Private Key");
618 if (!pkey)
619 {
620 /* load_key() has already printed an appropriate
621 message */
622 goto end;
623 }
624 else
625 {
626 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
627 if (randfile == NULL)
628 ERR_clear_error();
629 app_RAND_load_file(randfile, bio_err, 0);
630 }
631 }
632
633 if (newreq && (pkey == NULL))
634 {
635 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
636 if (randfile == NULL)
637 ERR_clear_error();
638 app_RAND_load_file(randfile, bio_err, 0);
639 if (inrand)
640 app_RAND_load_files(inrand);
641
642 if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
643 {
644 newkey=DEFAULT_KEY_LENGTH;
645 }
646
647 if (keyalg)
648 {
649 genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey,
650 &keyalgstr, gen_eng);
651 if (!genctx)
652 goto end;
653 }
654
655 if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA))
656 {
657 BIO_printf(bio_err,"private key length is too short,\n");
658 BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
659 goto end;
660 }
661
662 if (!genctx)
663 {
664 genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
665 &keyalgstr, gen_eng);
666 if (!genctx)
667 goto end;
668 }
669
670 if (pkeyopts)
671 {
672 char *genopt;
673 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++)
674 {
675 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
676 if (pkey_ctrl_string(genctx, genopt) <= 0)
677 {
678 BIO_printf(bio_err,
679 "parameter error \"%s\"\n",
680 genopt);
681 ERR_print_errors(bio_err);
682 goto end;
683 }
684 }
685 }
686
687 BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
688 newkey, keyalgstr);
689
690 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
691 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
692
693 if (EVP_PKEY_keygen(genctx, &pkey) <= 0)
694 {
695 BIO_puts(bio_err, "Error Generating Key\n");
696 goto end;
697 }
698
699 EVP_PKEY_CTX_free(genctx);
700 genctx = NULL;
701
702 app_RAND_write_file(randfile, bio_err);
703
704 if (keyout == NULL)
705 {
706 keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
707 if (keyout == NULL)
708 ERR_clear_error();
709 }
710
711 if (keyout == NULL)
712 {
713 BIO_printf(bio_err,"writing new private key to stdout\n");
714 BIO_set_fp(out,stdout,BIO_NOCLOSE);
715 #ifdef OPENSSL_SYS_VMS
716 {
717 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
718 out = BIO_push(tmpbio, out);
719 }
720 #endif
721 }
722 else
723 {
724 BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
725 if (BIO_write_filename(out,keyout) <= 0)
726 {
727 perror(keyout);
728 goto end;
729 }
730 }
731
732 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
733 if (p == NULL)
734 {
735 ERR_clear_error();
736 p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
737 if (p == NULL)
738 ERR_clear_error();
739 }
740 if ((p != NULL) && (strcmp(p,"no") == 0))
741 cipher=NULL;
742 if (nodes) cipher=NULL;
743
744 i=0;
745 loop:
746 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
747 NULL,0,NULL,passout))
748 {
749 if ((ERR_GET_REASON(ERR_peek_error()) ==
750 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
751 {
752 ERR_clear_error();
753 i++;
754 goto loop;
755 }
756 goto end;
757 }
758 BIO_printf(bio_err,"-----\n");
759 }
760
761 if (!newreq)
762 {
763 /* Since we are using a pre-existing certificate
764 * request, the kludge 'format' info should not be
765 * changed. */
766 kludge= -1;
767 if (infile == NULL)
768 BIO_set_fp(in,stdin,BIO_NOCLOSE);
769 else
770 {
771 if (BIO_read_filename(in,infile) <= 0)
772 {
773 perror(infile);
774 goto end;
775 }
776 }
777
778 if (informat == FORMAT_ASN1)
779 req=d2i_X509_REQ_bio(in,NULL);
780 else if (informat == FORMAT_PEM)
781 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
782 else
783 {
784 BIO_printf(bio_err,"bad input format specified for X509 request\n");
785 goto end;
786 }
787 if (req == NULL)
788 {
789 BIO_printf(bio_err,"unable to load X509 request\n");
790 goto end;
791 }
792 }
793
794 if (newreq || x509)
795 {
796 if (pkey == NULL)
797 {
798 BIO_printf(bio_err,"you need to specify a private key\n");
799 goto end;
800 }
801
802 if (req == NULL)
803 {
804 req=X509_REQ_new();
805 if (req == NULL)
806 {
807 goto end;
808 }
809
810 i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
811 subj=NULL; /* done processing '-subj' option */
812 if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
813 {
814 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
815 req->req_info->attributes = NULL;
816 }
817 if (!i)
818 {
819 BIO_printf(bio_err,"problems making Certificate Request\n");
820 goto end;
821 }
822 }
823 if (x509)
824 {
825 EVP_PKEY *tmppkey;
826 X509V3_CTX ext_ctx;
827 if ((x509ss=X509_new()) == NULL) goto end;
828
829 /* Set version to V3 */
830 if(extensions && !X509_set_version(x509ss, 2)) goto end;
831 if (serial)
832 {
833 if (!X509_set_serialNumber(x509ss, serial)) goto end;
834 }
835 else
836 {
837 if (!rand_serial(NULL,
838 X509_get_serialNumber(x509ss)))
839 goto end;
840 }
841
842 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
843 if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
844 if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL)) goto end;
845 if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
846 tmppkey = X509_REQ_get_pubkey(req);
847 if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
848 EVP_PKEY_free(tmppkey);
849
850 /* Set up V3 context struct */
851
852 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
853 X509V3_set_nconf(&ext_ctx, req_conf);
854
855 /* Add extensions */
856 if(extensions && !X509V3_EXT_add_nconf(req_conf,
857 &ext_ctx, extensions, x509ss))
858 {
859 BIO_printf(bio_err,
860 "Error Loading extension section %s\n",
861 extensions);
862 goto end;
863 }
864
865 i=do_X509_sign(bio_err, x509ss, pkey, digest, sigopts);
866 if (!i)
867 {
868 ERR_print_errors(bio_err);
869 goto end;
870 }
871 }
872 else
873 {
874 X509V3_CTX ext_ctx;
875
876 /* Set up V3 context struct */
877
878 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
879 X509V3_set_nconf(&ext_ctx, req_conf);
880
881 /* Add extensions */
882 if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
883 &ext_ctx, req_exts, req))
884 {
885 BIO_printf(bio_err,
886 "Error Loading extension section %s\n",
887 req_exts);
888 goto end;
889 }
890 i=do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts);
891 if (!i)
892 {
893 ERR_print_errors(bio_err);
894 goto end;
895 }
896 }
897 }
898
899 if (subj && x509)
900 {
901 BIO_printf(bio_err, "Cannot modify certificate subject\n");
902 goto end;
903 }
904
905 if (subj && !x509)
906 {
907 if (verbose)
908 {
909 BIO_printf(bio_err, "Modifying Request's Subject\n");
910 print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
911 }
912
913 if (build_subject(req, subj, chtype, multirdn) == 0)
914 {
915 BIO_printf(bio_err, "ERROR: cannot modify subject\n");
916 ex=1;
917 goto end;
918 }
919
920 req->req_info->enc.modified = 1;
921
922 if (verbose)
923 {
924 print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
925 }
926 }
927
928 if (verify && !x509)
929 {
930 int tmp=0;
931
932 if (pkey == NULL)
933 {
934 pkey=X509_REQ_get_pubkey(req);
935 tmp=1;
936 if (pkey == NULL) goto end;
937 }
938
939 i=X509_REQ_verify(req,pkey);
940 if (tmp) {
941 EVP_PKEY_free(pkey);
942 pkey=NULL;
943 }
944
945 if (i < 0)
946 {
947 goto end;
948 }
949 else if (i == 0)
950 {
951 BIO_printf(bio_err,"verify failure\n");
952 ERR_print_errors(bio_err);
953 }
954 else /* if (i > 0) */
955 BIO_printf(bio_err,"verify OK\n");
956 }
957
958 if (noout && !text && !modulus && !subject && !pubkey)
959 {
960 ex=0;
961 goto end;
962 }
963
964 if (outfile == NULL)
965 {
966 BIO_set_fp(out,stdout,BIO_NOCLOSE);
967 #ifdef OPENSSL_SYS_VMS
968 {
969 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
970 out = BIO_push(tmpbio, out);
971 }
972 #endif
973 }
974 else
975 {
976 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
977 i=(int)BIO_append_filename(out,outfile);
978 else
979 i=(int)BIO_write_filename(out,outfile);
980 if (!i)
981 {
982 perror(outfile);
983 goto end;
984 }
985 }
986
987 if (pubkey)
988 {
989 EVP_PKEY *tpubkey;
990 tpubkey=X509_REQ_get_pubkey(req);
991 if (tpubkey == NULL)
992 {
993 BIO_printf(bio_err,"Error getting public key\n");
994 ERR_print_errors(bio_err);
995 goto end;
996 }
997 PEM_write_bio_PUBKEY(out, tpubkey);
998 EVP_PKEY_free(tpubkey);
999 }
1000
1001 if (text)
1002 {
1003 if (x509)
1004 X509_print_ex(out, x509ss, nmflag, reqflag);
1005 else
1006 X509_REQ_print_ex(out, req, nmflag, reqflag);
1007 }
1008
1009 if(subject)
1010 {
1011 if(x509)
1012 print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1013 else
1014 print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1015 }
1016
1017 if (modulus)
1018 {
1019 EVP_PKEY *tpubkey;
1020
1021 if (x509)
1022 tpubkey=X509_get_pubkey(x509ss);
1023 else
1024 tpubkey=X509_REQ_get_pubkey(req);
1025 if (tpubkey == NULL)
1026 {
1027 fprintf(stdout,"Modulus=unavailable\n");
1028 goto end;
1029 }
1030 fprintf(stdout,"Modulus=");
1031 #ifndef OPENSSL_NO_RSA
1032 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
1033 BN_print(out,tpubkey->pkey.rsa->n);
1034 else
1035 #endif
1036 fprintf(stdout,"Wrong Algorithm type");
1037 EVP_PKEY_free(tpubkey);
1038 fprintf(stdout,"\n");
1039 }
1040
1041 if (!noout && !x509)
1042 {
1043 if (outformat == FORMAT_ASN1)
1044 i=i2d_X509_REQ_bio(out,req);
1045 else if (outformat == FORMAT_PEM) {
1046 if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1047 else i=PEM_write_bio_X509_REQ(out,req);
1048 } else {
1049 BIO_printf(bio_err,"bad output format specified for outfile\n");
1050 goto end;
1051 }
1052 if (!i)
1053 {
1054 BIO_printf(bio_err,"unable to write X509 request\n");
1055 goto end;
1056 }
1057 }
1058 if (!noout && x509 && (x509ss != NULL))
1059 {
1060 if (outformat == FORMAT_ASN1)
1061 i=i2d_X509_bio(out,x509ss);
1062 else if (outformat == FORMAT_PEM)
1063 i=PEM_write_bio_X509(out,x509ss);
1064 else {
1065 BIO_printf(bio_err,"bad output format specified for outfile\n");
1066 goto end;
1067 }
1068 if (!i)
1069 {
1070 BIO_printf(bio_err,"unable to write X509 certificate\n");
1071 goto end;
1072 }
1073 }
1074 ex=0;
1075 end:
1076 #ifndef MONOLITH
1077 if(to_free)
1078 OPENSSL_free(to_free);
1079 #endif
1080 if (ex)
1081 {
1082 ERR_print_errors(bio_err);
1083 }
1084 if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1085 BIO_free(in);
1086 BIO_free_all(out);
1087 EVP_PKEY_free(pkey);
1088 if (genctx)
1089 EVP_PKEY_CTX_free(genctx);
1090 if (pkeyopts)
1091 sk_OPENSSL_STRING_free(pkeyopts);
1092 if (sigopts)
1093 sk_OPENSSL_STRING_free(sigopts);
1094 #ifndef OPENSSL_NO_ENGINE
1095 if (gen_eng)
1096 ENGINE_free(gen_eng);
1097 #endif
1098 if (keyalgstr)
1099 OPENSSL_free(keyalgstr);
1100 X509_REQ_free(req);
1101 X509_free(x509ss);
1102 ASN1_INTEGER_free(serial);
1103 if(passargin && passin) OPENSSL_free(passin);
1104 if(passargout && passout) OPENSSL_free(passout);
1105 OBJ_cleanup();
1106 apps_shutdown();
1107 OPENSSL_EXIT(ex);
1108 }
1109
1110 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1111 int attribs, unsigned long chtype)
1112 {
1113 int ret=0,i;
1114 char no_prompt = 0;
1115 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1116 char *tmp, *dn_sect,*attr_sect;
1117
1118 tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1119 if (tmp == NULL)
1120 ERR_clear_error();
1121 if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1122
1123 dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1124 if (dn_sect == NULL)
1125 {
1126 BIO_printf(bio_err,"unable to find '%s' in config\n",
1127 DISTINGUISHED_NAME);
1128 goto err;
1129 }
1130 dn_sk=NCONF_get_section(req_conf,dn_sect);
1131 if (dn_sk == NULL)
1132 {
1133 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1134 goto err;
1135 }
1136
1137 attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1138 if (attr_sect == NULL)
1139 {
1140 ERR_clear_error();
1141 attr_sk=NULL;
1142 }
1143 else
1144 {
1145 attr_sk=NCONF_get_section(req_conf,attr_sect);
1146 if (attr_sk == NULL)
1147 {
1148 BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1149 goto err;
1150 }
1151 }
1152
1153 /* setup version number */
1154 if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1155
1156 if (subj)
1157 i = build_subject(req, subj, chtype, multirdn);
1158 else if (no_prompt)
1159 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1160 else
1161 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1162 if(!i) goto err;
1163
1164 if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1165
1166 ret=1;
1167 err:
1168 return(ret);
1169 }
1170
1171 /*
1172 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1173 * where characters may be escaped by \
1174 */
1175 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1176 {
1177 X509_NAME *n;
1178
1179 if (!(n = parse_name(subject, chtype, multirdn)))
1180 return 0;
1181
1182 if (!X509_REQ_set_subject_name(req, n))
1183 {
1184 X509_NAME_free(n);
1185 return 0;
1186 }
1187 X509_NAME_free(n);
1188 return 1;
1189 }
1190
1191
1192 static int prompt_info(X509_REQ *req,
1193 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1194 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1195 unsigned long chtype)
1196 {
1197 int i;
1198 char *p,*q;
1199 char buf[100];
1200 int nid, mval;
1201 long n_min,n_max;
1202 char *type, *value;
1203 const char *def;
1204 CONF_VALUE *v;
1205 X509_NAME *subj;
1206 subj = X509_REQ_get_subject_name(req);
1207
1208 if(!batch)
1209 {
1210 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1211 BIO_printf(bio_err,"into your certificate request.\n");
1212 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1213 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1214 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1215 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1216 BIO_printf(bio_err,"-----\n");
1217 }
1218
1219
1220 if (sk_CONF_VALUE_num(dn_sk))
1221 {
1222 i= -1;
1223 start: for (;;)
1224 {
1225 i++;
1226 if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1227
1228 v=sk_CONF_VALUE_value(dn_sk,i);
1229 p=q=NULL;
1230 type=v->name;
1231 if(!check_end(type,"_min") || !check_end(type,"_max") ||
1232 !check_end(type,"_default") ||
1233 !check_end(type,"_value")) continue;
1234 /* Skip past any leading X. X: X, etc to allow for
1235 * multiple instances
1236 */
1237 for(p = v->name; *p ; p++)
1238 if ((*p == ':') || (*p == ',') ||
1239 (*p == '.')) {
1240 p++;
1241 if(*p) type = p;
1242 break;
1243 }
1244 if (*type == '+')
1245 {
1246 mval = -1;
1247 type++;
1248 }
1249 else
1250 mval = 0;
1251 /* If OBJ not recognised ignore it */
1252 if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1253 if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1254 >= (int)sizeof(buf))
1255 {
1256 BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1257 return 0;
1258 }
1259
1260 if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1261 {
1262 ERR_clear_error();
1263 def="";
1264 }
1265
1266 BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1267 if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1268 {
1269 ERR_clear_error();
1270 value=NULL;
1271 }
1272
1273 BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1274 if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1275 {
1276 ERR_clear_error();
1277 n_min = -1;
1278 }
1279
1280 BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1281 if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1282 {
1283 ERR_clear_error();
1284 n_max = -1;
1285 }
1286
1287 if (!add_DN_object(subj,v->value,def,value,nid,
1288 n_min,n_max, chtype, mval))
1289 return 0;
1290 }
1291 if (X509_NAME_entry_count(subj) == 0)
1292 {
1293 BIO_printf(bio_err,"error, no objects specified in config file\n");
1294 return 0;
1295 }
1296
1297 if (attribs)
1298 {
1299 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1300 {
1301 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1302 BIO_printf(bio_err,"to be sent with your certificate request\n");
1303 }
1304
1305 i= -1;
1306 start2: for (;;)
1307 {
1308 i++;
1309 if ((attr_sk == NULL) ||
1310 (sk_CONF_VALUE_num(attr_sk) <= i))
1311 break;
1312
1313 v=sk_CONF_VALUE_value(attr_sk,i);
1314 type=v->name;
1315 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1316 goto start2;
1317
1318 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1319 >= (int)sizeof(buf))
1320 {
1321 BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1322 return 0;
1323 }
1324
1325 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1326 == NULL)
1327 {
1328 ERR_clear_error();
1329 def="";
1330 }
1331
1332
1333 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1334 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1335 == NULL)
1336 {
1337 ERR_clear_error();
1338 value=NULL;
1339 }
1340
1341 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1342 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1343 {
1344 ERR_clear_error();
1345 n_min = -1;
1346 }
1347
1348 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1349 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1350 {
1351 ERR_clear_error();
1352 n_max = -1;
1353 }
1354
1355 if (!add_attribute_object(req,
1356 v->value,def,value,nid,n_min,n_max, chtype))
1357 return 0;
1358 }
1359 }
1360 }
1361 else
1362 {
1363 BIO_printf(bio_err,"No template, please set one up.\n");
1364 return 0;
1365 }
1366
1367 return 1;
1368
1369 }
1370
1371 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1372 STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1373 {
1374 int i;
1375 char *p,*q;
1376 char *type;
1377 CONF_VALUE *v;
1378 X509_NAME *subj;
1379
1380 subj = X509_REQ_get_subject_name(req);
1381
1382 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1383 {
1384 int mval;
1385 v=sk_CONF_VALUE_value(dn_sk,i);
1386 p=q=NULL;
1387 type=v->name;
1388 /* Skip past any leading X. X: X, etc to allow for
1389 * multiple instances
1390 */
1391 for(p = v->name; *p ; p++)
1392 #ifndef CHARSET_EBCDIC
1393 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1394 #else
1395 if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1396 #endif
1397 p++;
1398 if(*p) type = p;
1399 break;
1400 }
1401 #ifndef CHARSET_EBCDIC
1402 if (*p == '+')
1403 #else
1404 if (*p == os_toascii['+'])
1405 #endif
1406 {
1407 p++;
1408 mval = -1;
1409 }
1410 else
1411 mval = 0;
1412 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1413 (unsigned char *) v->value,-1,-1,mval)) return 0;
1414
1415 }
1416
1417 if (!X509_NAME_entry_count(subj))
1418 {
1419 BIO_printf(bio_err,"error, no objects specified in config file\n");
1420 return 0;
1421 }
1422 if (attribs)
1423 {
1424 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1425 {
1426 v=sk_CONF_VALUE_value(attr_sk,i);
1427 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1428 (unsigned char *)v->value, -1)) return 0;
1429 }
1430 }
1431 return 1;
1432 }
1433
1434
1435 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1436 int nid, int n_min, int n_max, unsigned long chtype, int mval)
1437 {
1438 int i,ret=0;
1439 MS_STATIC char buf[1024];
1440 start:
1441 if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1442 (void)BIO_flush(bio_err);
1443 if(value != NULL)
1444 {
1445 BUF_strlcpy(buf,value,sizeof buf);
1446 BUF_strlcat(buf,"\n",sizeof buf);
1447 BIO_printf(bio_err,"%s\n",value);
1448 }
1449 else
1450 {
1451 buf[0]='\0';
1452 if (!batch)
1453 {
1454 if (!fgets(buf,sizeof buf,stdin))
1455 return 0;
1456 }
1457 else
1458 {
1459 buf[0] = '\n';
1460 buf[1] = '\0';
1461 }
1462 }
1463
1464 if (buf[0] == '\0') return(0);
1465 else if (buf[0] == '\n')
1466 {
1467 if ((def == NULL) || (def[0] == '\0'))
1468 return(1);
1469 BUF_strlcpy(buf,def,sizeof buf);
1470 BUF_strlcat(buf,"\n",sizeof buf);
1471 }
1472 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1473
1474 i=strlen(buf);
1475 if (buf[i-1] != '\n')
1476 {
1477 BIO_printf(bio_err,"weird input :-(\n");
1478 return(0);
1479 }
1480 buf[--i]='\0';
1481 #ifdef CHARSET_EBCDIC
1482 ebcdic2ascii(buf, buf, i);
1483 #endif
1484 if(!req_check_len(i, n_min, n_max))
1485 {
1486 if (batch || value)
1487 return 0;
1488 goto start;
1489 }
1490
1491 if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1492 (unsigned char *) buf, -1,-1,mval)) goto err;
1493 ret=1;
1494 err:
1495 return(ret);
1496 }
1497
1498 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1499 char *value, int nid, int n_min,
1500 int n_max, unsigned long chtype)
1501 {
1502 int i;
1503 static char buf[1024];
1504
1505 start:
1506 if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1507 (void)BIO_flush(bio_err);
1508 if (value != NULL)
1509 {
1510 BUF_strlcpy(buf,value,sizeof buf);
1511 BUF_strlcat(buf,"\n",sizeof buf);
1512 BIO_printf(bio_err,"%s\n",value);
1513 }
1514 else
1515 {
1516 buf[0]='\0';
1517 if (!batch)
1518 {
1519 if (!fgets(buf,sizeof buf,stdin))
1520 return 0;
1521 }
1522 else
1523 {
1524 buf[0] = '\n';
1525 buf[1] = '\0';
1526 }
1527 }
1528
1529 if (buf[0] == '\0') return(0);
1530 else if (buf[0] == '\n')
1531 {
1532 if ((def == NULL) || (def[0] == '\0'))
1533 return(1);
1534 BUF_strlcpy(buf,def,sizeof buf);
1535 BUF_strlcat(buf,"\n",sizeof buf);
1536 }
1537 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1538
1539 i=strlen(buf);
1540 if (buf[i-1] != '\n')
1541 {
1542 BIO_printf(bio_err,"weird input :-(\n");
1543 return(0);
1544 }
1545 buf[--i]='\0';
1546 #ifdef CHARSET_EBCDIC
1547 ebcdic2ascii(buf, buf, i);
1548 #endif
1549 if(!req_check_len(i, n_min, n_max))
1550 {
1551 if (batch || value)
1552 return 0;
1553 goto start;
1554 }
1555
1556 if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1557 (unsigned char *)buf, -1)) {
1558 BIO_printf(bio_err, "Error adding attribute\n");
1559 ERR_print_errors(bio_err);
1560 goto err;
1561 }
1562
1563 return(1);
1564 err:
1565 return(0);
1566 }
1567
1568 static int req_check_len(int len, int n_min, int n_max)
1569 {
1570 if ((n_min > 0) && (len < n_min))
1571 {
1572 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1573 return(0);
1574 }
1575 if ((n_max >= 0) && (len > n_max))
1576 {
1577 BIO_printf(bio_err,"string is too long, it needs to be less than %d bytes long\n",n_max);
1578 return(0);
1579 }
1580 return(1);
1581 }
1582
1583 /* Check if the end of a string matches 'end' */
1584 static int check_end(const char *str, const char *end)
1585 {
1586 int elen, slen;
1587 const char *tmp;
1588 elen = strlen(end);
1589 slen = strlen(str);
1590 if(elen > slen) return 1;
1591 tmp = str + slen - elen;
1592 return strcmp(tmp, end);
1593 }
1594
1595 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
1596 long *pkeylen, char **palgnam,
1597 ENGINE *keygen_engine)
1598 {
1599 EVP_PKEY_CTX *gctx = NULL;
1600 EVP_PKEY *param = NULL;
1601 long keylen = -1;
1602 BIO *pbio = NULL;
1603 const char *paramfile = NULL;
1604
1605 if (gstr == NULL)
1606 {
1607 *pkey_type = EVP_PKEY_RSA;
1608 keylen = *pkeylen;
1609 }
1610 else if (gstr[0] >= '0' && gstr[0] <= '9')
1611 {
1612 *pkey_type = EVP_PKEY_RSA;
1613 keylen = atol(gstr);
1614 *pkeylen = keylen;
1615 }
1616 else if (!strncmp(gstr, "param:", 6))
1617 paramfile = gstr + 6;
1618 else
1619 {
1620 const char *p = strchr(gstr, ':');
1621 int len;
1622 ENGINE *tmpeng;
1623 const EVP_PKEY_ASN1_METHOD *ameth;
1624
1625 if (p)
1626 len = p - gstr;
1627 else
1628 len = strlen(gstr);
1629 /* The lookup of a the string will cover all engines so
1630 * keep a note of the implementation.
1631 */
1632
1633 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1634
1635 if (!ameth)
1636 {
1637 BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1638 return NULL;
1639 }
1640
1641 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL,
1642 ameth);
1643 #ifndef OPENSSL_NO_ENGINE
1644 if (tmpeng)
1645 ENGINE_finish(tmpeng);
1646 #endif
1647 if (*pkey_type == EVP_PKEY_RSA)
1648 {
1649 if (p)
1650 {
1651 keylen = atol(p + 1);
1652 *pkeylen = keylen;
1653 }
1654 else
1655 keylen = *pkeylen;
1656 }
1657 else if (p)
1658 paramfile = p + 1;
1659 }
1660
1661 if (paramfile)
1662 {
1663 pbio = BIO_new_file(paramfile, "r");
1664 if (!pbio)
1665 {
1666 BIO_printf(err, "Can't open parameter file %s\n",
1667 paramfile);
1668 return NULL;
1669 }
1670 param = PEM_read_bio_Parameters(pbio, NULL);
1671
1672 if (!param)
1673 {
1674 X509 *x;
1675 (void)BIO_reset(pbio);
1676 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1677 if (x)
1678 {
1679 param = X509_get_pubkey(x);
1680 X509_free(x);
1681 }
1682 }
1683
1684 BIO_free(pbio);
1685
1686 if (!param)
1687 {
1688 BIO_printf(err, "Error reading parameter file %s\n",
1689 paramfile);
1690 return NULL;
1691 }
1692 if (*pkey_type == -1)
1693 *pkey_type = EVP_PKEY_id(param);
1694 else if (*pkey_type != EVP_PKEY_base_id(param))
1695 {
1696 BIO_printf(err, "Key Type does not match parameters\n");
1697 EVP_PKEY_free(param);
1698 return NULL;
1699 }
1700 }
1701
1702 if (palgnam)
1703 {
1704 const EVP_PKEY_ASN1_METHOD *ameth;
1705 ENGINE *tmpeng;
1706 const char *anam;
1707 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1708 if (!ameth)
1709 {
1710 BIO_puts(err, "Internal error: can't find key algorithm\n");
1711 return NULL;
1712 }
1713 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1714 *palgnam = BUF_strdup(anam);
1715 #ifndef OPENSSL_NO_ENGINE
1716 if (tmpeng)
1717 ENGINE_finish(tmpeng);
1718 #endif
1719 }
1720
1721 if (param)
1722 {
1723 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1724 *pkeylen = EVP_PKEY_bits(param);
1725 EVP_PKEY_free(param);
1726 }
1727 else
1728 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1729
1730 if (!gctx)
1731 {
1732 BIO_puts(err, "Error allocating keygen context\n");
1733 ERR_print_errors(err);
1734 return NULL;
1735 }
1736
1737 if (EVP_PKEY_keygen_init(gctx) <= 0)
1738 {
1739 BIO_puts(err, "Error initializing keygen context\n");
1740 ERR_print_errors(err);
1741 return NULL;
1742 }
1743 #ifndef OPENSSL_NO_RSA
1744 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1))
1745 {
1746 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0)
1747 {
1748 BIO_puts(err, "Error setting RSA keysize\n");
1749 ERR_print_errors(err);
1750 EVP_PKEY_CTX_free(gctx);
1751 return NULL;
1752 }
1753 }
1754 #endif
1755
1756 return gctx;
1757 }
1758
1759 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1760 {
1761 char c='*';
1762 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1763 int p;
1764 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1765 if (p == 0) c='.';
1766 if (p == 1) c='+';
1767 if (p == 2) c='*';
1768 if (p == 3) c='\n';
1769 BIO_write(b,&c,1);
1770 (void)BIO_flush(b);
1771 return 1;
1772 }
1773
1774 static int do_sign_init(BIO *err, EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1775 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1776 {
1777 EVP_PKEY_CTX *pkctx = NULL;
1778 int i;
1779 EVP_MD_CTX_init(ctx);
1780 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1781 return 0;
1782 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++)
1783 {
1784 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1785 if (pkey_ctrl_string(pkctx, sigopt) <= 0)
1786 {
1787 BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1788 ERR_print_errors(bio_err);
1789 return 0;
1790 }
1791 }
1792 return 1;
1793 }
1794
1795 int do_X509_sign(BIO *err, X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
1796 STACK_OF(OPENSSL_STRING) *sigopts)
1797 {
1798 int rv;
1799 EVP_MD_CTX mctx;
1800 EVP_MD_CTX_init(&mctx);
1801 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1802 if (rv > 0)
1803 rv = X509_sign_ctx(x, &mctx);
1804 EVP_MD_CTX_cleanup(&mctx);
1805 return rv > 0 ? 1 : 0;
1806 }
1807
1808
1809 int do_X509_REQ_sign(BIO *err, X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
1810 STACK_OF(OPENSSL_STRING) *sigopts)
1811 {
1812 int rv;
1813 EVP_MD_CTX mctx;
1814 EVP_MD_CTX_init(&mctx);
1815 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1816 if (rv > 0)
1817 rv = X509_REQ_sign_ctx(x, &mctx);
1818 EVP_MD_CTX_cleanup(&mctx);
1819 return rv > 0 ? 1 : 0;
1820 }
1821
1822
1823
1824 int do_X509_CRL_sign(BIO *err, X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
1825 STACK_OF(OPENSSL_STRING) *sigopts)
1826 {
1827 int rv;
1828 EVP_MD_CTX mctx;
1829 EVP_MD_CTX_init(&mctx);
1830 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1831 if (rv > 0)
1832 rv = X509_CRL_sign_ctx(x, &mctx);
1833 EVP_MD_CTX_cleanup(&mctx);
1834 return rv > 0 ? 1 : 0;
1835 }
1836
1837
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