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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 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/engine.h>
77
78 #define SECTION "req"
79
80 #define BITS "default_bits"
81 #define KEYFILE "default_keyfile"
82 #define PROMPT "prompt"
83 #define DISTINGUISHED_NAME "distinguished_name"
84 #define ATTRIBUTES "attributes"
85 #define V3_EXTENSIONS "x509_extensions"
86 #define REQ_EXTENSIONS "req_extensions"
87 #define STRING_MASK "string_mask"
88
89 #define DEFAULT_KEY_LENGTH 512
90 #define MIN_KEY_LENGTH 384
91
92 #undef PROG
93 #define PROG req_main
94
95 /* -inform arg - input format - default PEM (DER or PEM)
96 * -outform arg - output format - default PEM
97 * -in arg - input file - default stdin
98 * -out arg - output file - default stdout
99 * -verify - check request signature
100 * -noout - don't print stuff out.
101 * -text - print out human readable text.
102 * -nodes - no des encryption
103 * -config file - Load configuration file.
104 * -key file - make a request using key in file (or use it for verification).
105 * -keyform arg - key file format.
106 * -rand file(s) - load the file(s) into the PRNG.
107 * -newkey - make a key and a request.
108 * -modulus - print RSA modulus.
109 * -x509 - output a self signed X509 structure instead.
110 * -asn1-kludge - output new certificate request in a format that some CA's
111 * require. This format is wrong
112 */
113
114 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
115 static int prompt_info(X509_REQ *req,
116 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
117 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs);
118 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
119 STACK_OF(CONF_VALUE) *attr, int attribs);
120 static int add_attribute_object(X509_REQ *req, char *text,
121 char *def, char *value, int nid, int min,
122 int max);
123 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
124 int nid,int min,int max);
125 #ifndef NO_RSA
126 static void MS_CALLBACK req_cb(int p,int n,void *arg);
127 #endif
128 static int req_check_len(int len,int min,int max);
129 static int check_end(char *str, char *end);
130 #ifndef MONOLITH
131 static char *default_config_file=NULL;
132 static LHASH *config=NULL;
133 #endif
134 static LHASH *req_conf=NULL;
135
136 #define TYPE_RSA 1
137 #define TYPE_DSA 2
138 #define TYPE_DH 3
139
140 int MAIN(int, char **);
141
142 int MAIN(int argc, char **argv)
143 {
144 ENGINE *e = NULL;
145 #ifndef NO_DSA
146 DSA *dsa_params=NULL;
147 #endif
148 unsigned long nmflag = 0;
149 int ex=1,x509=0,days=30;
150 X509 *x509ss=NULL;
151 X509_REQ *req=NULL;
152 EVP_PKEY *pkey=NULL;
153 int i,badops=0,newreq=0,newkey= -1,pkey_type=TYPE_RSA;
154 BIO *in=NULL,*out=NULL;
155 int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
156 int nodes=0,kludge=0,newhdr=0,subject=0;
157 char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
158 char *engine=NULL;
159 char *extensions = NULL;
160 char *req_exts = NULL;
161 EVP_CIPHER *cipher=NULL;
162 int modulus=0;
163 char *inrand=NULL;
164 char *passargin = NULL, *passargout = NULL;
165 char *passin = NULL, *passout = NULL;
166 char *p;
167 const EVP_MD *md_alg=NULL,*digest=EVP_md5();
168 #ifndef MONOLITH
169 MS_STATIC char config_name[256];
170 #endif
171
172 req_conf = NULL;
173 #ifndef NO_DES
174 cipher=EVP_des_ede3_cbc();
175 #endif
176 apps_startup();
177
178 if (bio_err == NULL)
179 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
180 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
181
182 infile=NULL;
183 outfile=NULL;
184 informat=FORMAT_PEM;
185 outformat=FORMAT_PEM;
186
187 prog=argv[0];
188 argc--;
189 argv++;
190 while (argc >= 1)
191 {
192 if (strcmp(*argv,"-inform") == 0)
193 {
194 if (--argc < 1) goto bad;
195 informat=str2fmt(*(++argv));
196 }
197 else if (strcmp(*argv,"-outform") == 0)
198 {
199 if (--argc < 1) goto bad;
200 outformat=str2fmt(*(++argv));
201 }
202 else if (strcmp(*argv,"-engine") == 0)
203 {
204 if (--argc < 1) goto bad;
205 engine= *(++argv);
206 }
207 else if (strcmp(*argv,"-key") == 0)
208 {
209 if (--argc < 1) goto bad;
210 keyfile= *(++argv);
211 }
212 else if (strcmp(*argv,"-new") == 0)
213 {
214 newreq=1;
215 }
216 else if (strcmp(*argv,"-config") == 0)
217 {
218 if (--argc < 1) goto bad;
219 template= *(++argv);
220 }
221 else if (strcmp(*argv,"-keyform") == 0)
222 {
223 if (--argc < 1) goto bad;
224 keyform=str2fmt(*(++argv));
225 }
226 else if (strcmp(*argv,"-in") == 0)
227 {
228 if (--argc < 1) goto bad;
229 infile= *(++argv);
230 }
231 else if (strcmp(*argv,"-out") == 0)
232 {
233 if (--argc < 1) goto bad;
234 outfile= *(++argv);
235 }
236 else if (strcmp(*argv,"-keyout") == 0)
237 {
238 if (--argc < 1) goto bad;
239 keyout= *(++argv);
240 }
241 else if (strcmp(*argv,"-passin") == 0)
242 {
243 if (--argc < 1) goto bad;
244 passargin= *(++argv);
245 }
246 else if (strcmp(*argv,"-passout") == 0)
247 {
248 if (--argc < 1) goto bad;
249 passargout= *(++argv);
250 }
251 else if (strcmp(*argv,"-rand") == 0)
252 {
253 if (--argc < 1) goto bad;
254 inrand= *(++argv);
255 }
256 else if (strcmp(*argv,"-newkey") == 0)
257 {
258 int is_numeric;
259
260 if (--argc < 1) goto bad;
261 p= *(++argv);
262 is_numeric = p[0] >= '0' && p[0] <= '9';
263 if (strncmp("rsa:",p,4) == 0 || is_numeric)
264 {
265 pkey_type=TYPE_RSA;
266 if(!is_numeric)
267 p+=4;
268 newkey= atoi(p);
269 }
270 else
271 #ifndef NO_DSA
272 if (strncmp("dsa:",p,4) == 0)
273 {
274 X509 *xtmp=NULL;
275 EVP_PKEY *dtmp;
276
277 pkey_type=TYPE_DSA;
278 p+=4;
279 if ((in=BIO_new_file(p,"r")) == NULL)
280 {
281 perror(p);
282 goto end;
283 }
284 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
285 {
286 ERR_clear_error();
287 (void)BIO_reset(in);
288 if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
289 {
290 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
291 goto end;
292 }
293
294 dtmp=X509_get_pubkey(xtmp);
295 if (dtmp->type == EVP_PKEY_DSA)
296 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
297 EVP_PKEY_free(dtmp);
298 X509_free(xtmp);
299 if (dsa_params == NULL)
300 {
301 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
302 goto end;
303 }
304 }
305 BIO_free(in);
306 newkey=BN_num_bits(dsa_params->p);
307 in=NULL;
308 }
309 else
310 #endif
311 #ifndef NO_DH
312 if (strncmp("dh:",p,4) == 0)
313 {
314 pkey_type=TYPE_DH;
315 p+=3;
316 }
317 else
318 #endif
319 pkey_type=TYPE_RSA;
320
321 newreq=1;
322 }
323 else if (strcmp(*argv,"-newhdr") == 0)
324 newhdr=1;
325 else if (strcmp(*argv,"-modulus") == 0)
326 modulus=1;
327 else if (strcmp(*argv,"-verify") == 0)
328 verify=1;
329 else if (strcmp(*argv,"-nodes") == 0)
330 nodes=1;
331 else if (strcmp(*argv,"-noout") == 0)
332 noout=1;
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,"-subject") == 0)
339 subject=1;
340 else if (strcmp(*argv,"-text") == 0)
341 text=1;
342 else if (strcmp(*argv,"-x509") == 0)
343 x509=1;
344 else if (strcmp(*argv,"-asn1-kludge") == 0)
345 kludge=1;
346 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
347 kludge=0;
348 else if (strcmp(*argv,"-days") == 0)
349 {
350 if (--argc < 1) goto bad;
351 days= atoi(*(++argv));
352 if (days == 0) days=30;
353 }
354 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
355 {
356 /* ok */
357 digest=md_alg;
358 }
359 else if (strcmp(*argv,"-extensions") == 0)
360 {
361 if (--argc < 1) goto bad;
362 extensions = *(++argv);
363 }
364 else if (strcmp(*argv,"-reqexts") == 0)
365 {
366 if (--argc < 1) goto bad;
367 req_exts = *(++argv);
368 }
369 else
370 {
371 BIO_printf(bio_err,"unknown option %s\n",*argv);
372 badops=1;
373 break;
374 }
375 argc--;
376 argv++;
377 }
378
379 if (badops)
380 {
381 bad:
382 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
383 BIO_printf(bio_err,"where options are\n");
384 BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
385 BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
386 BIO_printf(bio_err," -in arg input file\n");
387 BIO_printf(bio_err," -out arg output file\n");
388 BIO_printf(bio_err," -text text form of request\n");
389 BIO_printf(bio_err," -noout do not output REQ\n");
390 BIO_printf(bio_err," -verify verify signature on REQ\n");
391 BIO_printf(bio_err," -modulus RSA modulus\n");
392 BIO_printf(bio_err," -nodes don't encrypt the output key\n");
393 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
394 BIO_printf(bio_err," -key file use the private key contained in file\n");
395 BIO_printf(bio_err," -keyform arg key file format\n");
396 BIO_printf(bio_err," -keyout arg file to send the key to\n");
397 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
398 BIO_printf(bio_err," load the file (or the files in the directory) into\n");
399 BIO_printf(bio_err," the random number generator\n");
400 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
401 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
402
403 BIO_printf(bio_err," -[digest] Digest to sign with (md5, sha1, md2, mdc2)\n");
404 BIO_printf(bio_err," -config file request template file.\n");
405 BIO_printf(bio_err," -new new request.\n");
406 BIO_printf(bio_err," -x509 output a x509 structure instead of a cert. req.\n");
407 BIO_printf(bio_err," -days number of days a x509 generated by -x509 is valid for.\n");
408 BIO_printf(bio_err," -newhdr output \"NEW\" in the header lines\n");
409 BIO_printf(bio_err," -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n");
410 BIO_printf(bio_err," have been reported as requiring\n");
411 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
412 BIO_printf(bio_err," -reqexts .. specify request extension section (override value in config file)\n");
413 goto end;
414 }
415
416 ERR_load_crypto_strings();
417 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
418 BIO_printf(bio_err, "Error getting passwords\n");
419 goto end;
420 }
421
422 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
423 /* Lets load up our environment a little */
424 p=getenv("OPENSSL_CONF");
425 if (p == NULL)
426 p=getenv("SSLEAY_CONF");
427 if (p == NULL)
428 {
429 strcpy(config_name,X509_get_default_cert_area());
430 #ifndef VMS
431 strcat(config_name,"/");
432 #endif
433 strcat(config_name,OPENSSL_CONF);
434 p=config_name;
435 }
436 default_config_file=p;
437 config=CONF_load(config,p,NULL);
438 #endif
439
440 if (template != NULL)
441 {
442 long errline;
443
444 BIO_printf(bio_err,"Using configuration from %s\n",template);
445 req_conf=CONF_load(NULL,template,&errline);
446 if (req_conf == NULL)
447 {
448 BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
449 goto end;
450 }
451 }
452 else
453 {
454 req_conf=config;
455 BIO_printf(bio_err,"Using configuration from %s\n",
456 default_config_file);
457 if (req_conf == NULL)
458 {
459 BIO_printf(bio_err,"Unable to load config info\n");
460 }
461 }
462
463 if (req_conf != NULL)
464 {
465 p=CONF_get_string(req_conf,NULL,"oid_file");
466 if (p == NULL)
467 ERR_clear_error();
468 if (p != NULL)
469 {
470 BIO *oid_bio;
471
472 oid_bio=BIO_new_file(p,"r");
473 if (oid_bio == NULL)
474 {
475 /*
476 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
477 ERR_print_errors(bio_err);
478 */
479 }
480 else
481 {
482 OBJ_create_objects(oid_bio);
483 BIO_free(oid_bio);
484 }
485 }
486 }
487 if(!add_oid_section(bio_err, req_conf)) goto end;
488
489 if (md_alg == NULL)
490 {
491 p=CONF_get_string(req_conf,SECTION,"default_md");
492 if (p == NULL)
493 ERR_clear_error();
494 if (p != NULL)
495 {
496 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
497 digest=md_alg;
498 }
499 }
500
501 if (!extensions)
502 {
503 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
504 if (!extensions)
505 ERR_clear_error();
506 }
507 if (extensions) {
508 /* Check syntax of file */
509 X509V3_CTX ctx;
510 X509V3_set_ctx_test(&ctx);
511 X509V3_set_conf_lhash(&ctx, req_conf);
512 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
513 BIO_printf(bio_err,
514 "Error Loading extension section %s\n", extensions);
515 goto end;
516 }
517 }
518
519 if(!passin)
520 {
521 passin = CONF_get_string(req_conf, SECTION, "input_password");
522 if (!passin)
523 ERR_clear_error();
524 }
525
526 if(!passout)
527 {
528 passout = CONF_get_string(req_conf, SECTION, "output_password");
529 if (!passout)
530 ERR_clear_error();
531 }
532
533 p = CONF_get_string(req_conf, SECTION, STRING_MASK);
534 if (!p)
535 ERR_clear_error();
536
537 if(p && !ASN1_STRING_set_default_mask_asc(p)) {
538 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
539 goto end;
540 }
541
542 if(!req_exts)
543 {
544 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
545 if (!req_exts)
546 ERR_clear_error();
547 }
548 if(req_exts) {
549 /* Check syntax of file */
550 X509V3_CTX ctx;
551 X509V3_set_ctx_test(&ctx);
552 X509V3_set_conf_lhash(&ctx, req_conf);
553 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
554 BIO_printf(bio_err,
555 "Error Loading request extension section %s\n",
556 req_exts);
557 goto end;
558 }
559 }
560
561 in=BIO_new(BIO_s_file());
562 out=BIO_new(BIO_s_file());
563 if ((in == NULL) || (out == NULL))
564 goto end;
565
566 if (engine != NULL)
567 {
568 if((e = ENGINE_by_id(engine)) == NULL)
569 {
570 BIO_printf(bio_err,"invalid engine \"%s\"\n",
571 engine);
572 goto end;
573 }
574 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
575 {
576 BIO_printf(bio_err,"can't use that engine\n");
577 goto end;
578 }
579 BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
580 /* Free our "structural" reference. */
581 ENGINE_free(e);
582 }
583
584 if (keyfile != NULL)
585 {
586 if (keyform == FORMAT_ENGINE)
587 {
588 if (!e)
589 {
590 BIO_printf(bio_err,"no engine specified\n");
591 goto end;
592 }
593 pkey = ENGINE_load_private_key(e, keyfile, NULL);
594 }
595 else
596 {
597 if (BIO_read_filename(in,keyfile) <= 0)
598 {
599 perror(keyfile);
600 goto end;
601 }
602
603 if (keyform == FORMAT_ASN1)
604 pkey=d2i_PrivateKey_bio(in,NULL);
605 else if (keyform == FORMAT_PEM)
606 {
607 pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,
608 passin);
609 }
610 else
611 {
612 BIO_printf(bio_err,"bad input format specified for X509 request\n");
613 goto end;
614 }
615 }
616
617 if (pkey == NULL)
618 {
619 BIO_printf(bio_err,"unable to load Private key\n");
620 goto end;
621 }
622 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
623 {
624 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
625 if (randfile == NULL)
626 ERR_clear_error();
627 app_RAND_load_file(randfile, bio_err, 0);
628 }
629 }
630
631 if (newreq && (pkey == NULL))
632 {
633 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
634 if (randfile == NULL)
635 ERR_clear_error();
636 app_RAND_load_file(randfile, bio_err, 0);
637 if (inrand)
638 app_RAND_load_files(inrand);
639
640 if (newkey <= 0)
641 {
642 newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
643 if (newkey <= 0)
644 newkey=DEFAULT_KEY_LENGTH;
645 }
646
647 if (newkey < MIN_KEY_LENGTH)
648 {
649 BIO_printf(bio_err,"private key length is too short,\n");
650 BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
651 goto end;
652 }
653 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
654 newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
655
656 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
657
658 #ifndef NO_RSA
659 if (pkey_type == TYPE_RSA)
660 {
661 if (!EVP_PKEY_assign_RSA(pkey,
662 RSA_generate_key(newkey,0x10001,
663 req_cb,bio_err)))
664 goto end;
665 }
666 else
667 #endif
668 #ifndef NO_DSA
669 if (pkey_type == TYPE_DSA)
670 {
671 if (!DSA_generate_key(dsa_params)) goto end;
672 if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
673 dsa_params=NULL;
674 }
675 #endif
676
677 app_RAND_write_file(randfile, bio_err);
678
679 if (pkey == NULL) goto end;
680
681 if (keyout == NULL)
682 {
683 keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
684 if (keyout == NULL)
685 ERR_clear_error();
686 }
687
688 if (keyout == NULL)
689 {
690 BIO_printf(bio_err,"writing new private key to stdout\n");
691 BIO_set_fp(out,stdout,BIO_NOCLOSE);
692 #ifdef VMS
693 {
694 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
695 out = BIO_push(tmpbio, out);
696 }
697 #endif
698 }
699 else
700 {
701 BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
702 if (BIO_write_filename(out,keyout) <= 0)
703 {
704 perror(keyout);
705 goto end;
706 }
707 }
708
709 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
710 if (p == NULL)
711 {
712 ERR_clear_error();
713 p=CONF_get_string(req_conf,SECTION,"encrypt_key");
714 if (p == NULL)
715 ERR_clear_error();
716 }
717 if ((p != NULL) && (strcmp(p,"no") == 0))
718 cipher=NULL;
719 if (nodes) cipher=NULL;
720
721 i=0;
722 loop:
723 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
724 NULL,0,NULL,passout))
725 {
726 if ((ERR_GET_REASON(ERR_peek_error()) ==
727 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
728 {
729 ERR_clear_error();
730 i++;
731 goto loop;
732 }
733 goto end;
734 }
735 BIO_printf(bio_err,"-----\n");
736 }
737
738 if (!newreq)
739 {
740 /* Since we are using a pre-existing certificate
741 * request, the kludge 'format' info should not be
742 * changed. */
743 kludge= -1;
744 if (infile == NULL)
745 BIO_set_fp(in,stdin,BIO_NOCLOSE);
746 else
747 {
748 if (BIO_read_filename(in,infile) <= 0)
749 {
750 perror(infile);
751 goto end;
752 }
753 }
754
755 if (informat == FORMAT_ASN1)
756 req=d2i_X509_REQ_bio(in,NULL);
757 else if (informat == FORMAT_PEM)
758 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
759 else
760 {
761 BIO_printf(bio_err,"bad input format specified for X509 request\n");
762 goto end;
763 }
764 if (req == NULL)
765 {
766 BIO_printf(bio_err,"unable to load X509 request\n");
767 goto end;
768 }
769 }
770
771 if (newreq || x509)
772 {
773 if (pkey == NULL)
774 {
775 BIO_printf(bio_err,"you need to specify a private key\n");
776 goto end;
777 }
778 #ifndef NO_DSA
779 if (pkey->type == EVP_PKEY_DSA)
780 digest=EVP_dss1();
781 #endif
782 if (req == NULL)
783 {
784 req=X509_REQ_new();
785 if (req == NULL)
786 {
787 goto end;
788 }
789
790 i=make_REQ(req,pkey,!x509);
791 if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
792 {
793 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
794 req->req_info->attributes = NULL;
795 }
796 if (!i)
797 {
798 BIO_printf(bio_err,"problems making Certificate Request\n");
799 goto end;
800 }
801 }
802 if (x509)
803 {
804 EVP_PKEY *tmppkey;
805 X509V3_CTX ext_ctx;
806 if ((x509ss=X509_new()) == NULL) goto end;
807
808 /* Set version to V3 */
809 if(!X509_set_version(x509ss, 2)) goto end;
810 ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
811
812 X509_set_issuer_name(x509ss,
813 X509_REQ_get_subject_name(req));
814 X509_gmtime_adj(X509_get_notBefore(x509ss),0);
815 X509_gmtime_adj(X509_get_notAfter(x509ss),
816 (long)60*60*24*days);
817 X509_set_subject_name(x509ss,
818 X509_REQ_get_subject_name(req));
819 tmppkey = X509_REQ_get_pubkey(req);
820 X509_set_pubkey(x509ss,tmppkey);
821 EVP_PKEY_free(tmppkey);
822
823 /* Set up V3 context struct */
824
825 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
826 X509V3_set_conf_lhash(&ext_ctx, req_conf);
827
828 /* Add extensions */
829 if(extensions && !X509V3_EXT_add_conf(req_conf,
830 &ext_ctx, extensions, x509ss))
831 {
832 BIO_printf(bio_err,
833 "Error Loading extension section %s\n",
834 extensions);
835 goto end;
836 }
837
838 if (!(i=X509_sign(x509ss,pkey,digest)))
839 goto end;
840 }
841 else
842 {
843 X509V3_CTX ext_ctx;
844
845 /* Set up V3 context struct */
846
847 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
848 X509V3_set_conf_lhash(&ext_ctx, req_conf);
849
850 /* Add extensions */
851 if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf,
852 &ext_ctx, req_exts, req))
853 {
854 BIO_printf(bio_err,
855 "Error Loading extension section %s\n",
856 req_exts);
857 goto end;
858 }
859 if (!(i=X509_REQ_sign(req,pkey,digest)))
860 goto end;
861 }
862 }
863
864 if (verify && !x509)
865 {
866 int tmp=0;
867
868 if (pkey == NULL)
869 {
870 pkey=X509_REQ_get_pubkey(req);
871 tmp=1;
872 if (pkey == NULL) goto end;
873 }
874
875 i=X509_REQ_verify(req,pkey);
876 if (tmp) {
877 EVP_PKEY_free(pkey);
878 pkey=NULL;
879 }
880
881 if (i < 0)
882 {
883 goto end;
884 }
885 else if (i == 0)
886 {
887 BIO_printf(bio_err,"verify failure\n");
888 }
889 else /* if (i > 0) */
890 BIO_printf(bio_err,"verify OK\n");
891 }
892
893 if (noout && !text && !modulus && !subject)
894 {
895 ex=0;
896 goto end;
897 }
898
899 if (outfile == NULL)
900 {
901 BIO_set_fp(out,stdout,BIO_NOCLOSE);
902 #ifdef VMS
903 {
904 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
905 out = BIO_push(tmpbio, out);
906 }
907 #endif
908 }
909 else
910 {
911 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
912 i=(int)BIO_append_filename(out,outfile);
913 else
914 i=(int)BIO_write_filename(out,outfile);
915 if (!i)
916 {
917 perror(outfile);
918 goto end;
919 }
920 }
921
922 if (text)
923 {
924 if (x509)
925 X509_print(out,x509ss);
926 else
927 X509_REQ_print(out,req);
928 }
929
930 if(subject)
931 {
932 if(x509)
933 print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
934 else
935 print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
936 }
937
938 if (modulus)
939 {
940 EVP_PKEY *pubkey;
941
942 if (x509)
943 pubkey=X509_get_pubkey(x509ss);
944 else
945 pubkey=X509_REQ_get_pubkey(req);
946 if (pubkey == NULL)
947 {
948 fprintf(stdout,"Modulus=unavailable\n");
949 goto end;
950 }
951 fprintf(stdout,"Modulus=");
952 #ifndef NO_RSA
953 if (pubkey->type == EVP_PKEY_RSA)
954 BN_print(out,pubkey->pkey.rsa->n);
955 else
956 #endif
957 fprintf(stdout,"Wrong Algorithm type");
958 fprintf(stdout,"\n");
959 }
960
961 if (!noout && !x509)
962 {
963 if (outformat == FORMAT_ASN1)
964 i=i2d_X509_REQ_bio(out,req);
965 else if (outformat == FORMAT_PEM) {
966 if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
967 else i=PEM_write_bio_X509_REQ(out,req);
968 } else {
969 BIO_printf(bio_err,"bad output format specified for outfile\n");
970 goto end;
971 }
972 if (!i)
973 {
974 BIO_printf(bio_err,"unable to write X509 request\n");
975 goto end;
976 }
977 }
978 if (!noout && x509 && (x509ss != NULL))
979 {
980 if (outformat == FORMAT_ASN1)
981 i=i2d_X509_bio(out,x509ss);
982 else if (outformat == FORMAT_PEM)
983 i=PEM_write_bio_X509(out,x509ss);
984 else {
985 BIO_printf(bio_err,"bad output format specified for outfile\n");
986 goto end;
987 }
988 if (!i)
989 {
990 BIO_printf(bio_err,"unable to write X509 certificate\n");
991 goto end;
992 }
993 }
994 ex=0;
995 end:
996 if (ex)
997 {
998 ERR_print_errors(bio_err);
999 }
1000 if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
1001 BIO_free(in);
1002 BIO_free_all(out);
1003 EVP_PKEY_free(pkey);
1004 X509_REQ_free(req);
1005 X509_free(x509ss);
1006 if(passargin && passin) OPENSSL_free(passin);
1007 if(passargout && passout) OPENSSL_free(passout);
1008 OBJ_cleanup();
1009 #ifndef NO_DSA
1010 if (dsa_params != NULL) DSA_free(dsa_params);
1011 #endif
1012 EXIT(ex);
1013 }
1014
1015 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
1016 {
1017 int ret=0,i;
1018 char no_prompt = 0;
1019 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1020 char *tmp, *dn_sect,*attr_sect;
1021
1022 tmp=CONF_get_string(req_conf,SECTION,PROMPT);
1023 if (tmp == NULL)
1024 ERR_clear_error();
1025 if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1026
1027 dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1028 if (dn_sect == NULL)
1029 {
1030 BIO_printf(bio_err,"unable to find '%s' in config\n",
1031 DISTINGUISHED_NAME);
1032 goto err;
1033 }
1034 dn_sk=CONF_get_section(req_conf,dn_sect);
1035 if (dn_sk == NULL)
1036 {
1037 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1038 goto err;
1039 }
1040
1041 attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
1042 if (attr_sect == NULL)
1043 {
1044 ERR_clear_error();
1045 attr_sk=NULL;
1046 }
1047 else
1048 {
1049 attr_sk=CONF_get_section(req_conf,attr_sect);
1050 if (attr_sk == NULL)
1051 {
1052 BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1053 goto err;
1054 }
1055 }
1056
1057 /* setup version number */
1058 if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1059
1060 if(no_prompt) i = auto_info(req, dn_sk, attr_sk, attribs);
1061 else i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs);
1062 if(!i) goto err;
1063
1064 X509_REQ_set_pubkey(req,pkey);
1065
1066 ret=1;
1067 err:
1068 return(ret);
1069 }
1070
1071
1072 static int prompt_info(X509_REQ *req,
1073 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1074 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs)
1075 {
1076 int i;
1077 char *p,*q;
1078 char buf[100];
1079 int nid,min,max;
1080 char *type,*def,*value;
1081 CONF_VALUE *v;
1082 X509_NAME *subj;
1083 subj = X509_REQ_get_subject_name(req);
1084 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1085 BIO_printf(bio_err,"into your certificate request.\n");
1086 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1087 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1088 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1089 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1090 BIO_printf(bio_err,"-----\n");
1091
1092
1093 if (sk_CONF_VALUE_num(dn_sk))
1094 {
1095 i= -1;
1096 start: for (;;)
1097 {
1098 i++;
1099 if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1100
1101 v=sk_CONF_VALUE_value(dn_sk,i);
1102 p=q=NULL;
1103 type=v->name;
1104 if(!check_end(type,"_min") || !check_end(type,"_max") ||
1105 !check_end(type,"_default") ||
1106 !check_end(type,"_value")) continue;
1107 /* Skip past any leading X. X: X, etc to allow for
1108 * multiple instances
1109 */
1110 for(p = v->name; *p ; p++)
1111 if ((*p == ':') || (*p == ',') ||
1112 (*p == '.')) {
1113 p++;
1114 if(*p) type = p;
1115 break;
1116 }
1117 /* If OBJ not recognised ignore it */
1118 if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1119 sprintf(buf,"%s_default",v->name);
1120 if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1121 {
1122 ERR_clear_error();
1123 def="";
1124 }
1125
1126 sprintf(buf,"%s_value",v->name);
1127 if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1128 {
1129 ERR_clear_error();
1130 value=NULL;
1131 }
1132
1133 sprintf(buf,"%s_min",v->name);
1134 min=(int)CONF_get_number(req_conf,dn_sect,buf);
1135
1136 sprintf(buf,"%s_max",v->name);
1137 max=(int)CONF_get_number(req_conf,dn_sect,buf);
1138
1139 if (!add_DN_object(subj,v->value,def,value,nid,
1140 min,max))
1141 return 0;
1142 }
1143 if (X509_NAME_entry_count(subj) == 0)
1144 {
1145 BIO_printf(bio_err,"error, no objects specified in config file\n");
1146 return 0;
1147 }
1148
1149 if (attribs)
1150 {
1151 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0))
1152 {
1153 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1154 BIO_printf(bio_err,"to be sent with your certificate request\n");
1155 }
1156
1157 i= -1;
1158 start2: for (;;)
1159 {
1160 i++;
1161 if ((attr_sk == NULL) ||
1162 (sk_CONF_VALUE_num(attr_sk) <= i))
1163 break;
1164
1165 v=sk_CONF_VALUE_value(attr_sk,i);
1166 type=v->name;
1167 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1168 goto start2;
1169
1170 sprintf(buf,"%s_default",type);
1171 if ((def=CONF_get_string(req_conf,attr_sect,buf))
1172 == NULL)
1173 {
1174 ERR_clear_error();
1175 def="";
1176 }
1177
1178
1179 sprintf(buf,"%s_value",type);
1180 if ((value=CONF_get_string(req_conf,attr_sect,buf))
1181 == NULL)
1182 {
1183 ERR_clear_error();
1184 value=NULL;
1185 }
1186
1187 sprintf(buf,"%s_min",type);
1188 min=(int)CONF_get_number(req_conf,attr_sect,buf);
1189
1190 sprintf(buf,"%s_max",type);
1191 max=(int)CONF_get_number(req_conf,attr_sect,buf);
1192
1193 if (!add_attribute_object(req,
1194 v->value,def,value,nid,min,max))
1195 return 0;
1196 }
1197 }
1198 }
1199 else
1200 {
1201 BIO_printf(bio_err,"No template, please set one up.\n");
1202 return 0;
1203 }
1204
1205 return 1;
1206
1207 }
1208
1209 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1210 STACK_OF(CONF_VALUE) *attr_sk, int attribs)
1211 {
1212 int i;
1213 char *p,*q;
1214 char *type;
1215 CONF_VALUE *v;
1216 X509_NAME *subj;
1217
1218 subj = X509_REQ_get_subject_name(req);
1219
1220 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1221 {
1222 v=sk_CONF_VALUE_value(dn_sk,i);
1223 p=q=NULL;
1224 type=v->name;
1225 /* Skip past any leading X. X: X, etc to allow for
1226 * multiple instances
1227 */
1228 for(p = v->name; *p ; p++)
1229 #ifndef CHARSET_EBCDIC
1230 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1231 #else
1232 if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1233 #endif
1234 p++;
1235 if(*p) type = p;
1236 break;
1237 }
1238 if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC,
1239 (unsigned char *) v->value,-1,-1,0)) return 0;
1240
1241 }
1242
1243 if (!X509_NAME_entry_count(subj))
1244 {
1245 BIO_printf(bio_err,"error, no objects specified in config file\n");
1246 return 0;
1247 }
1248 if (attribs)
1249 {
1250 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1251 {
1252 v=sk_CONF_VALUE_value(attr_sk,i);
1253 if(!X509_REQ_add1_attr_by_txt(req, v->name, MBSTRING_ASC,
1254 (unsigned char *)v->value, -1)) return 0;
1255 }
1256 }
1257 return 1;
1258 }
1259
1260
1261 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1262 int nid, int min, int max)
1263 {
1264 int i,ret=0;
1265 MS_STATIC char buf[1024];
1266 start:
1267 BIO_printf(bio_err,"%s [%s]:",text,def);
1268 (void)BIO_flush(bio_err);
1269 if (value != NULL)
1270 {
1271 strcpy(buf,value);
1272 strcat(buf,"\n");
1273 BIO_printf(bio_err,"%s\n",value);
1274 }
1275 else
1276 {
1277 buf[0]='\0';
1278 fgets(buf,1024,stdin);
1279 }
1280
1281 if (buf[0] == '\0') return(0);
1282 else if (buf[0] == '\n')
1283 {
1284 if ((def == NULL) || (def[0] == '\0'))
1285 return(1);
1286 strcpy(buf,def);
1287 strcat(buf,"\n");
1288 }
1289 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1290
1291 i=strlen(buf);
1292 if (buf[i-1] != '\n')
1293 {
1294 BIO_printf(bio_err,"weird input :-(\n");
1295 return(0);
1296 }
1297 buf[--i]='\0';
1298
1299 #ifdef CHARSET_EBCDIC
1300 ebcdic2ascii(buf, buf, i);
1301 #endif
1302 if(!req_check_len(i, min, max)) goto start;
1303 if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
1304 (unsigned char *) buf, -1,-1,0)) goto err;
1305 ret=1;
1306 err:
1307 return(ret);
1308 }
1309
1310 static int add_attribute_object(X509_REQ *req, char *text,
1311 char *def, char *value, int nid, int min,
1312 int max)
1313 {
1314 int i;
1315 static char buf[1024];
1316
1317 start:
1318 BIO_printf(bio_err,"%s [%s]:",text,def);
1319 (void)BIO_flush(bio_err);
1320 if (value != NULL)
1321 {
1322 strcpy(buf,value);
1323 strcat(buf,"\n");
1324 BIO_printf(bio_err,"%s\n",value);
1325 }
1326 else
1327 {
1328 buf[0]='\0';
1329 fgets(buf,1024,stdin);
1330 }
1331
1332 if (buf[0] == '\0') return(0);
1333 else if (buf[0] == '\n')
1334 {
1335 if ((def == NULL) || (def[0] == '\0'))
1336 return(1);
1337 strcpy(buf,def);
1338 strcat(buf,"\n");
1339 }
1340 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1341
1342 i=strlen(buf);
1343 if (buf[i-1] != '\n')
1344 {
1345 BIO_printf(bio_err,"weird input :-(\n");
1346 return(0);
1347 }
1348 buf[--i]='\0';
1349 #ifdef CHARSET_EBCDIC
1350 ebcdic2ascii(buf, buf, i);
1351 #endif
1352 if(!req_check_len(i, min, max)) goto start;
1353
1354 if(!X509_REQ_add1_attr_by_NID(req, nid, MBSTRING_ASC,
1355 (unsigned char *)buf, -1)) {
1356 BIO_printf(bio_err, "Error adding attribute\n");
1357 ERR_print_errors(bio_err);
1358 goto err;
1359 }
1360
1361 return(1);
1362 err:
1363 return(0);
1364 }
1365
1366 #ifndef NO_RSA
1367 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1368 {
1369 char c='*';
1370
1371 if (p == 0) c='.';
1372 if (p == 1) c='+';
1373 if (p == 2) c='*';
1374 if (p == 3) c='\n';
1375 BIO_write((BIO *)arg,&c,1);
1376 (void)BIO_flush((BIO *)arg);
1377 #ifdef LINT
1378 p=n;
1379 #endif
1380 }
1381 #endif
1382
1383 static int req_check_len(int len, int min, int max)
1384 {
1385 if (len < min)
1386 {
1387 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1388 return(0);
1389 }
1390 if ((max != 0) && (len > max))
1391 {
1392 BIO_printf(bio_err,"string is too long, it needs to be less than %d bytes long\n",max);
1393 return(0);
1394 }
1395 return(1);
1396 }
1397
1398 /* Check if the end of a string matches 'end' */
1399 static int check_end(char *str, char *end)
1400 {
1401 int elen, slen;
1402 char *tmp;
1403 elen = strlen(end);
1404 slen = strlen(str);
1405 if(elen > slen) return 1;
1406 tmp = str + slen - elen;
1407 return strcmp(tmp, end);
1408 }
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