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 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
60 * deprecated functions for openssl-internal code */
61 #ifdef OPENSSL_NO_DEPRECATED
62 #undef OPENSSL_NO_DEPRECATED
63 #endif
64
65 #include <stdio.h>
66 #include <stdlib.h>
67 #include <time.h>
68 #include <string.h>
69 #ifdef OPENSSL_NO_STDIO
70 #define APPS_WIN16
71 #endif
72 #include "apps.h"
73 #include <openssl/bio.h>
74 #include <openssl/evp.h>
75 #include <openssl/conf.h>
76 #include <openssl/err.h>
77 #include <openssl/asn1.h>
78 #include <openssl/x509.h>
79 #include <openssl/x509v3.h>
80 #include <openssl/objects.h>
81 #include <openssl/pem.h>
82 #include <openssl/bn.h>
83 #ifndef OPENSSL_NO_RSA
84 #include <openssl/rsa.h>
85 #endif
86 #ifndef OPENSSL_NO_DSA
87 #include <openssl/dsa.h>
88 #endif
89
90 #define SECTION "req"
91
92 #define BITS "default_bits"
93 #define KEYFILE "default_keyfile"
94 #define PROMPT "prompt"
95 #define DISTINGUISHED_NAME "distinguished_name"
96 #define ATTRIBUTES "attributes"
97 #define V3_EXTENSIONS "x509_extensions"
98 #define REQ_EXTENSIONS "req_extensions"
99 #define STRING_MASK "string_mask"
100 #define UTF8_IN "utf8"
101
102 #define DEFAULT_KEY_LENGTH 512
103 #define MIN_KEY_LENGTH 384
104
105 #undef PROG
106 #define PROG req_main
107
108 /* -inform arg - input format - default PEM (DER or PEM)
109 * -outform arg - output format - default PEM
110 * -in arg - input file - default stdin
111 * -out arg - output file - default stdout
112 * -verify - check request signature
113 * -noout - don't print stuff out.
114 * -text - print out human readable text.
115 * -nodes - no des encryption
116 * -config file - Load configuration file.
117 * -key file - make a request using key in file (or use it for verification).
118 * -keyform arg - key file format.
119 * -rand file(s) - load the file(s) into the PRNG.
120 * -newkey - make a key and a request.
121 * -modulus - print RSA modulus.
122 * -pubkey - output Public Key.
123 * -x509 - output a self signed X509 structure instead.
124 * -asn1-kludge - output new certificate request in a format that some CA's
125 * require. This format is wrong
126 */
127
128 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int mutlirdn,
129 int attribs,unsigned long chtype);
130 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
131 int multirdn);
132 static int prompt_info(X509_REQ *req,
133 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
134 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
135 unsigned long chtype);
136 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
137 STACK_OF(CONF_VALUE) *attr, int attribs,
138 unsigned long chtype);
139 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
140 char *value, int nid, int n_min,
141 int n_max, unsigned long chtype);
142 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
143 int nid,int n_min,int n_max, unsigned long chtype, int mval);
144 static int genpkey_cb(EVP_PKEY_CTX *ctx);
145 static int req_check_len(int len,int n_min,int n_max);
146 static int check_end(const char *str, const char *end);
147 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
148 long *pkeylen, char **palgnam,
149 ENGINE *keygen_engine);
150 #ifndef MONOLITH
151 static char *default_config_file=NULL;
152 #endif
153 static CONF *req_conf=NULL;
154 static int batch=0;
155
156 int MAIN(int, char **);
157
MAIN(int argc,char ** argv)158 int MAIN(int argc, char **argv)
159 {
160 ENGINE *e = NULL, *gen_eng = NULL;
161 unsigned long nmflag = 0, reqflag = 0;
162 int ex=1,x509=0,days=30;
163 X509 *x509ss=NULL;
164 X509_REQ *req=NULL;
165 EVP_PKEY_CTX *genctx = NULL;
166 const char *keyalg = NULL;
167 char *keyalgstr = NULL;
168 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL;
169 EVP_PKEY *pkey=NULL;
170 int i=0,badops=0,newreq=0,verbose=0,pkey_type=-1;
171 long newkey = -1;
172 BIO *in=NULL,*out=NULL;
173 int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
174 int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
175 char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
176 #ifndef OPENSSL_NO_ENGINE
177 char *engine=NULL;
178 #endif
179 char *extensions = NULL;
180 char *req_exts = NULL;
181 const EVP_CIPHER *cipher=NULL;
182 ASN1_INTEGER *serial = NULL;
183 int modulus=0;
184 char *inrand=NULL;
185 char *passargin = NULL, *passargout = NULL;
186 char *passin = NULL, *passout = NULL;
187 char *p;
188 char *subj = NULL;
189 int multirdn = 0;
190 const EVP_MD *md_alg=NULL,*digest=NULL;
191 unsigned long chtype = MBSTRING_ASC;
192 #ifndef MONOLITH
193 char *to_free;
194 long errline;
195 #endif
196
197 req_conf = NULL;
198 #ifndef OPENSSL_NO_DES
199 cipher=EVP_des_ede3_cbc();
200 #endif
201 apps_startup();
202
203 if (bio_err == NULL)
204 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
205 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
206
207 infile=NULL;
208 outfile=NULL;
209 informat=FORMAT_PEM;
210 outformat=FORMAT_PEM;
211
212 prog=argv[0];
213 argc--;
214 argv++;
215 while (argc >= 1)
216 {
217 if (strcmp(*argv,"-inform") == 0)
218 {
219 if (--argc < 1) goto bad;
220 informat=str2fmt(*(++argv));
221 }
222 else if (strcmp(*argv,"-outform") == 0)
223 {
224 if (--argc < 1) goto bad;
225 outformat=str2fmt(*(++argv));
226 }
227 #ifndef OPENSSL_NO_ENGINE
228 else if (strcmp(*argv,"-engine") == 0)
229 {
230 if (--argc < 1) goto bad;
231 engine= *(++argv);
232 }
233 else if (strcmp(*argv,"-keygen_engine") == 0)
234 {
235 if (--argc < 1) goto bad;
236 gen_eng = ENGINE_by_id(*(++argv));
237 if (gen_eng == NULL)
238 {
239 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
240 goto end;
241 }
242 }
243 #endif
244 else if (strcmp(*argv,"-key") == 0)
245 {
246 if (--argc < 1) goto bad;
247 keyfile= *(++argv);
248 }
249 else if (strcmp(*argv,"-pubkey") == 0)
250 {
251 pubkey=1;
252 }
253 else if (strcmp(*argv,"-new") == 0)
254 {
255 newreq=1;
256 }
257 else if (strcmp(*argv,"-config") == 0)
258 {
259 if (--argc < 1) goto bad;
260 template= *(++argv);
261 }
262 else if (strcmp(*argv,"-keyform") == 0)
263 {
264 if (--argc < 1) goto bad;
265 keyform=str2fmt(*(++argv));
266 }
267 else if (strcmp(*argv,"-in") == 0)
268 {
269 if (--argc < 1) goto bad;
270 infile= *(++argv);
271 }
272 else if (strcmp(*argv,"-out") == 0)
273 {
274 if (--argc < 1) goto bad;
275 outfile= *(++argv);
276 }
277 else if (strcmp(*argv,"-keyout") == 0)
278 {
279 if (--argc < 1) goto bad;
280 keyout= *(++argv);
281 }
282 else if (strcmp(*argv,"-passin") == 0)
283 {
284 if (--argc < 1) goto bad;
285 passargin= *(++argv);
286 }
287 else if (strcmp(*argv,"-passout") == 0)
288 {
289 if (--argc < 1) goto bad;
290 passargout= *(++argv);
291 }
292 else if (strcmp(*argv,"-rand") == 0)
293 {
294 if (--argc < 1) goto bad;
295 inrand= *(++argv);
296 }
297 else if (strcmp(*argv,"-newkey") == 0)
298 {
299 if (--argc < 1)
300 goto bad;
301 keyalg = *(++argv);
302 newreq=1;
303 }
304 else if (strcmp(*argv,"-pkeyopt") == 0)
305 {
306 if (--argc < 1)
307 goto bad;
308 if (!pkeyopts)
309 pkeyopts = sk_OPENSSL_STRING_new_null();
310 if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv)))
311 goto bad;
312 }
313 else if (strcmp(*argv,"-sigopt") == 0)
314 {
315 if (--argc < 1)
316 goto bad;
317 if (!sigopts)
318 sigopts = sk_OPENSSL_STRING_new_null();
319 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
320 goto bad;
321 }
322 else if (strcmp(*argv,"-batch") == 0)
323 batch=1;
324 else if (strcmp(*argv,"-newhdr") == 0)
325 newhdr=1;
326 else if (strcmp(*argv,"-modulus") == 0)
327 modulus=1;
328 else if (strcmp(*argv,"-verify") == 0)
329 verify=1;
330 else if (strcmp(*argv,"-nodes") == 0)
331 nodes=1;
332 else if (strcmp(*argv,"-noout") == 0)
333 noout=1;
334 else if (strcmp(*argv,"-verbose") == 0)
335 verbose=1;
336 else if (strcmp(*argv,"-utf8") == 0)
337 chtype = MBSTRING_UTF8;
338 else if (strcmp(*argv,"-nameopt") == 0)
339 {
340 if (--argc < 1) goto bad;
341 if (!set_name_ex(&nmflag, *(++argv))) goto bad;
342 }
343 else if (strcmp(*argv,"-reqopt") == 0)
344 {
345 if (--argc < 1) goto bad;
346 if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
347 }
348 else if (strcmp(*argv,"-subject") == 0)
349 subject=1;
350 else if (strcmp(*argv,"-text") == 0)
351 text=1;
352 else if (strcmp(*argv,"-x509") == 0)
353 x509=1;
354 else if (strcmp(*argv,"-asn1-kludge") == 0)
355 kludge=1;
356 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
357 kludge=0;
358 else if (strcmp(*argv,"-subj") == 0)
359 {
360 if (--argc < 1) goto bad;
361 subj= *(++argv);
362 }
363 else if (strcmp(*argv,"-multivalue-rdn") == 0)
364 multirdn=1;
365 else if (strcmp(*argv,"-days") == 0)
366 {
367 if (--argc < 1) goto bad;
368 days= atoi(*(++argv));
369 if (days == 0) days=30;
370 }
371 else if (strcmp(*argv,"-set_serial") == 0)
372 {
373 if (--argc < 1) goto bad;
374 serial = s2i_ASN1_INTEGER(NULL, *(++argv));
375 if (!serial) goto bad;
376 }
377 else if (strcmp(*argv,"-extensions") == 0)
378 {
379 if (--argc < 1) goto bad;
380 extensions = *(++argv);
381 }
382 else if (strcmp(*argv,"-reqexts") == 0)
383 {
384 if (--argc < 1) goto bad;
385 req_exts = *(++argv);
386 }
387 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
388 {
389 /* ok */
390 digest=md_alg;
391 }
392 else
393 {
394 BIO_printf(bio_err,"unknown option %s\n",*argv);
395 badops=1;
396 break;
397 }
398 argc--;
399 argv++;
400 }
401
402 if (badops)
403 {
404 bad:
405 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
406 BIO_printf(bio_err,"where options are\n");
407 BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
408 BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
409 BIO_printf(bio_err," -in arg input file\n");
410 BIO_printf(bio_err," -out arg output file\n");
411 BIO_printf(bio_err," -text text form of request\n");
412 BIO_printf(bio_err," -pubkey output public key\n");
413 BIO_printf(bio_err," -noout do not output REQ\n");
414 BIO_printf(bio_err," -verify verify signature on REQ\n");
415 BIO_printf(bio_err," -modulus RSA modulus\n");
416 BIO_printf(bio_err," -nodes don't encrypt the output key\n");
417 #ifndef OPENSSL_NO_ENGINE
418 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device\n");
419 #endif
420 BIO_printf(bio_err," -subject output the request's subject\n");
421 BIO_printf(bio_err," -passin private key password source\n");
422 BIO_printf(bio_err," -key file use the private key contained in file\n");
423 BIO_printf(bio_err," -keyform arg key file format\n");
424 BIO_printf(bio_err," -keyout arg file to send the key to\n");
425 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
426 BIO_printf(bio_err," load the file (or the files in the directory) into\n");
427 BIO_printf(bio_err," the random number generator\n");
428 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
429 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
430 #ifndef OPENSSL_NO_ECDSA
431 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
432 #endif
433 BIO_printf(bio_err," -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
434 BIO_printf(bio_err," -config file request template file.\n");
435 BIO_printf(bio_err," -subj arg set or modify request subject\n");
436 BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n");
437 BIO_printf(bio_err," -new new request.\n");
438 BIO_printf(bio_err," -batch do not ask anything during request generation\n");
439 BIO_printf(bio_err," -x509 output a x509 structure instead of a cert. req.\n");
440 BIO_printf(bio_err," -days number of days a certificate generated by -x509 is valid for.\n");
441 BIO_printf(bio_err," -set_serial serial number to use for a certificate generated by -x509.\n");
442 BIO_printf(bio_err," -newhdr output \"NEW\" in the header lines\n");
443 BIO_printf(bio_err," -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n");
444 BIO_printf(bio_err," have been reported as requiring\n");
445 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
446 BIO_printf(bio_err," -reqexts .. specify request extension section (override value in config file)\n");
447 BIO_printf(bio_err," -utf8 input characters are UTF8 (default ASCII)\n");
448 BIO_printf(bio_err," -nameopt arg - various certificate name options\n");
449 BIO_printf(bio_err," -reqopt arg - various request text options\n\n");
450 goto end;
451 }
452
453 ERR_load_crypto_strings();
454 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
455 BIO_printf(bio_err, "Error getting passwords\n");
456 goto end;
457 }
458
459 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
460 /* Lets load up our environment a little */
461 p=getenv("OPENSSL_CONF");
462 if (p == NULL)
463 p=getenv("SSLEAY_CONF");
464 if (p == NULL)
465 p=to_free=make_config_name();
466 default_config_file=p;
467 config=NCONF_new(NULL);
468 i=NCONF_load(config, p, &errline);
469 #endif
470
471 if (template != NULL)
472 {
473 long errline = -1;
474
475 if( verbose )
476 BIO_printf(bio_err,"Using configuration from %s\n",template);
477 req_conf=NCONF_new(NULL);
478 i=NCONF_load(req_conf,template,&errline);
479 if (i == 0)
480 {
481 BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
482 goto end;
483 }
484 }
485 else
486 {
487 req_conf=config;
488
489 if (req_conf == NULL)
490 {
491 BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
492 if (newreq)
493 goto end;
494 }
495 else if( verbose )
496 BIO_printf(bio_err,"Using configuration from %s\n",
497 default_config_file);
498 }
499
500 if (req_conf != NULL)
501 {
502 if (!load_config(bio_err, req_conf))
503 goto end;
504 p=NCONF_get_string(req_conf,NULL,"oid_file");
505 if (p == NULL)
506 ERR_clear_error();
507 if (p != NULL)
508 {
509 BIO *oid_bio;
510
511 oid_bio=BIO_new_file(p,"r");
512 if (oid_bio == NULL)
513 {
514 /*
515 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
516 ERR_print_errors(bio_err);
517 */
518 }
519 else
520 {
521 OBJ_create_objects(oid_bio);
522 BIO_free(oid_bio);
523 }
524 }
525 }
526 if(!add_oid_section(bio_err, req_conf)) goto end;
527
528 if (md_alg == NULL)
529 {
530 p=NCONF_get_string(req_conf,SECTION,"default_md");
531 if (p == NULL)
532 ERR_clear_error();
533 if (p != NULL)
534 {
535 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
536 digest=md_alg;
537 }
538 }
539
540 if (!extensions)
541 {
542 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
543 if (!extensions)
544 ERR_clear_error();
545 }
546 if (extensions) {
547 /* Check syntax of file */
548 X509V3_CTX ctx;
549 X509V3_set_ctx_test(&ctx);
550 X509V3_set_nconf(&ctx, req_conf);
551 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
552 BIO_printf(bio_err,
553 "Error Loading extension section %s\n", extensions);
554 goto end;
555 }
556 }
557
558 if(!passin)
559 {
560 passin = NCONF_get_string(req_conf, SECTION, "input_password");
561 if (!passin)
562 ERR_clear_error();
563 }
564
565 if(!passout)
566 {
567 passout = NCONF_get_string(req_conf, SECTION, "output_password");
568 if (!passout)
569 ERR_clear_error();
570 }
571
572 p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
573 if (!p)
574 ERR_clear_error();
575
576 if(p && !ASN1_STRING_set_default_mask_asc(p)) {
577 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
578 goto end;
579 }
580
581 if (chtype != MBSTRING_UTF8)
582 {
583 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
584 if (!p)
585 ERR_clear_error();
586 else if (!strcmp(p, "yes"))
587 chtype = MBSTRING_UTF8;
588 }
589
590
591 if(!req_exts)
592 {
593 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
594 if (!req_exts)
595 ERR_clear_error();
596 }
597 if(req_exts) {
598 /* Check syntax of file */
599 X509V3_CTX ctx;
600 X509V3_set_ctx_test(&ctx);
601 X509V3_set_nconf(&ctx, req_conf);
602 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
603 BIO_printf(bio_err,
604 "Error Loading request extension section %s\n",
605 req_exts);
606 goto end;
607 }
608 }
609
610 in=BIO_new(BIO_s_file());
611 out=BIO_new(BIO_s_file());
612 if ((in == NULL) || (out == NULL))
613 goto end;
614
615 #ifndef OPENSSL_NO_ENGINE
616 e = setup_engine(bio_err, engine, 0);
617 #endif
618
619 if (keyfile != NULL)
620 {
621 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
622 "Private Key");
623 if (!pkey)
624 {
625 /* load_key() has already printed an appropriate
626 message */
627 goto end;
628 }
629 else
630 {
631 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
632 if (randfile == NULL)
633 ERR_clear_error();
634 app_RAND_load_file(randfile, bio_err, 0);
635 }
636 }
637
638 if (newreq && (pkey == NULL))
639 {
640 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
641 if (randfile == NULL)
642 ERR_clear_error();
643 app_RAND_load_file(randfile, bio_err, 0);
644 if (inrand)
645 app_RAND_load_files(inrand);
646
647 if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
648 {
649 newkey=DEFAULT_KEY_LENGTH;
650 }
651
652 if (keyalg)
653 {
654 genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey,
655 &keyalgstr, gen_eng);
656 if (!genctx)
657 goto end;
658 }
659
660 if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA))
661 {
662 BIO_printf(bio_err,"private key length is too short,\n");
663 BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
664 goto end;
665 }
666
667 if (!genctx)
668 {
669 genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
670 &keyalgstr, gen_eng);
671 if (!genctx)
672 goto end;
673 }
674
675 if (pkeyopts)
676 {
677 char *genopt;
678 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++)
679 {
680 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
681 if (pkey_ctrl_string(genctx, genopt) <= 0)
682 {
683 BIO_printf(bio_err,
684 "parameter error \"%s\"\n",
685 genopt);
686 ERR_print_errors(bio_err);
687 goto end;
688 }
689 }
690 }
691
692 BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
693 newkey, keyalgstr);
694
695 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
696 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
697
698 if (EVP_PKEY_keygen(genctx, &pkey) <= 0)
699 {
700 BIO_puts(bio_err, "Error Generating Key\n");
701 goto end;
702 }
703
704 EVP_PKEY_CTX_free(genctx);
705 genctx = NULL;
706
707 app_RAND_write_file(randfile, bio_err);
708
709 if (keyout == NULL)
710 {
711 keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
712 if (keyout == NULL)
713 ERR_clear_error();
714 }
715
716 if (keyout == NULL)
717 {
718 BIO_printf(bio_err,"writing new private key to stdout\n");
719 BIO_set_fp(out,stdout,BIO_NOCLOSE);
720 #ifdef OPENSSL_SYS_VMS
721 {
722 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
723 out = BIO_push(tmpbio, out);
724 }
725 #endif
726 }
727 else
728 {
729 BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
730 if (BIO_write_filename(out,keyout) <= 0)
731 {
732 perror(keyout);
733 goto end;
734 }
735 }
736
737 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
738 if (p == NULL)
739 {
740 ERR_clear_error();
741 p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
742 if (p == NULL)
743 ERR_clear_error();
744 }
745 if ((p != NULL) && (strcmp(p,"no") == 0))
746 cipher=NULL;
747 if (nodes) cipher=NULL;
748
749 i=0;
750 loop:
751 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
752 NULL,0,NULL,passout))
753 {
754 if ((ERR_GET_REASON(ERR_peek_error()) ==
755 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
756 {
757 ERR_clear_error();
758 i++;
759 goto loop;
760 }
761 goto end;
762 }
763 BIO_printf(bio_err,"-----\n");
764 }
765
766 if (!newreq)
767 {
768 /* Since we are using a pre-existing certificate
769 * request, the kludge 'format' info should not be
770 * changed. */
771 kludge= -1;
772 if (infile == NULL)
773 BIO_set_fp(in,stdin,BIO_NOCLOSE);
774 else
775 {
776 if (BIO_read_filename(in,infile) <= 0)
777 {
778 perror(infile);
779 goto end;
780 }
781 }
782
783 if (informat == FORMAT_ASN1)
784 req=d2i_X509_REQ_bio(in,NULL);
785 else if (informat == FORMAT_PEM)
786 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
787 else
788 {
789 BIO_printf(bio_err,"bad input format specified for X509 request\n");
790 goto end;
791 }
792 if (req == NULL)
793 {
794 BIO_printf(bio_err,"unable to load X509 request\n");
795 goto end;
796 }
797 }
798
799 if (newreq || x509)
800 {
801 if (pkey == NULL)
802 {
803 BIO_printf(bio_err,"you need to specify a private key\n");
804 goto end;
805 }
806
807 if (req == NULL)
808 {
809 req=X509_REQ_new();
810 if (req == NULL)
811 {
812 goto end;
813 }
814
815 i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
816 subj=NULL; /* done processing '-subj' option */
817 if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
818 {
819 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
820 req->req_info->attributes = NULL;
821 }
822 if (!i)
823 {
824 BIO_printf(bio_err,"problems making Certificate Request\n");
825 goto end;
826 }
827 }
828 if (x509)
829 {
830 EVP_PKEY *tmppkey;
831 X509V3_CTX ext_ctx;
832 if ((x509ss=X509_new()) == NULL) goto end;
833
834 /* Set version to V3 */
835 if(extensions && !X509_set_version(x509ss, 2)) goto end;
836 if (serial)
837 {
838 if (!X509_set_serialNumber(x509ss, serial)) goto end;
839 }
840 else
841 {
842 if (!rand_serial(NULL,
843 X509_get_serialNumber(x509ss)))
844 goto end;
845 }
846
847 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
848 if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
849 if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL)) goto end;
850 if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
851 tmppkey = X509_REQ_get_pubkey(req);
852 if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
853 EVP_PKEY_free(tmppkey);
854
855 /* Set up V3 context struct */
856
857 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
858 X509V3_set_nconf(&ext_ctx, req_conf);
859
860 /* Add extensions */
861 if(extensions && !X509V3_EXT_add_nconf(req_conf,
862 &ext_ctx, extensions, x509ss))
863 {
864 BIO_printf(bio_err,
865 "Error Loading extension section %s\n",
866 extensions);
867 goto end;
868 }
869
870 i=do_X509_sign(bio_err, x509ss, pkey, digest, sigopts);
871 if (!i)
872 {
873 ERR_print_errors(bio_err);
874 goto end;
875 }
876 }
877 else
878 {
879 X509V3_CTX ext_ctx;
880
881 /* Set up V3 context struct */
882
883 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
884 X509V3_set_nconf(&ext_ctx, req_conf);
885
886 /* Add extensions */
887 if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
888 &ext_ctx, req_exts, req))
889 {
890 BIO_printf(bio_err,
891 "Error Loading extension section %s\n",
892 req_exts);
893 goto end;
894 }
895 i=do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts);
896 if (!i)
897 {
898 ERR_print_errors(bio_err);
899 goto end;
900 }
901 }
902 }
903
904 if (subj && x509)
905 {
906 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
907 goto end;
908 }
909
910 if (subj && !x509)
911 {
912 if (verbose)
913 {
914 BIO_printf(bio_err, "Modifying Request's Subject\n");
915 print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
916 }
917
918 if (build_subject(req, subj, chtype, multirdn) == 0)
919 {
920 BIO_printf(bio_err, "ERROR: cannot modify subject\n");
921 ex=1;
922 goto end;
923 }
924
925 req->req_info->enc.modified = 1;
926
927 if (verbose)
928 {
929 print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
930 }
931 }
932
933 if (verify && !x509)
934 {
935 int tmp=0;
936
937 if (pkey == NULL)
938 {
939 pkey=X509_REQ_get_pubkey(req);
940 tmp=1;
941 if (pkey == NULL) goto end;
942 }
943
944 i=X509_REQ_verify(req,pkey);
945 if (tmp) {
946 EVP_PKEY_free(pkey);
947 pkey=NULL;
948 }
949
950 if (i < 0)
951 {
952 goto end;
953 }
954 else if (i == 0)
955 {
956 BIO_printf(bio_err,"verify failure\n");
957 ERR_print_errors(bio_err);
958 }
959 else /* if (i > 0) */
960 BIO_printf(bio_err,"verify OK\n");
961 }
962
963 if (noout && !text && !modulus && !subject && !pubkey)
964 {
965 ex=0;
966 goto end;
967 }
968
969 if (outfile == NULL)
970 {
971 BIO_set_fp(out,stdout,BIO_NOCLOSE);
972 #ifdef OPENSSL_SYS_VMS
973 {
974 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
975 out = BIO_push(tmpbio, out);
976 }
977 #endif
978 }
979 else
980 {
981 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
982 i=(int)BIO_append_filename(out,outfile);
983 else
984 i=(int)BIO_write_filename(out,outfile);
985 if (!i)
986 {
987 perror(outfile);
988 goto end;
989 }
990 }
991
992 if (pubkey)
993 {
994 EVP_PKEY *tpubkey;
995 tpubkey=X509_REQ_get_pubkey(req);
996 if (tpubkey == NULL)
997 {
998 BIO_printf(bio_err,"Error getting public key\n");
999 ERR_print_errors(bio_err);
1000 goto end;
1001 }
1002 PEM_write_bio_PUBKEY(out, tpubkey);
1003 EVP_PKEY_free(tpubkey);
1004 }
1005
1006 if (text)
1007 {
1008 if (x509)
1009 X509_print_ex(out, x509ss, nmflag, reqflag);
1010 else
1011 X509_REQ_print_ex(out, req, nmflag, reqflag);
1012 }
1013
1014 if(subject)
1015 {
1016 if(x509)
1017 print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1018 else
1019 print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1020 }
1021
1022 if (modulus)
1023 {
1024 EVP_PKEY *tpubkey;
1025
1026 if (x509)
1027 tpubkey=X509_get_pubkey(x509ss);
1028 else
1029 tpubkey=X509_REQ_get_pubkey(req);
1030 if (tpubkey == NULL)
1031 {
1032 fprintf(stdout,"Modulus=unavailable\n");
1033 goto end;
1034 }
1035 fprintf(stdout,"Modulus=");
1036 #ifndef OPENSSL_NO_RSA
1037 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
1038 BN_print(out,tpubkey->pkey.rsa->n);
1039 else
1040 #endif
1041 fprintf(stdout,"Wrong Algorithm type");
1042 EVP_PKEY_free(tpubkey);
1043 fprintf(stdout,"\n");
1044 }
1045
1046 if (!noout && !x509)
1047 {
1048 if (outformat == FORMAT_ASN1)
1049 i=i2d_X509_REQ_bio(out,req);
1050 else if (outformat == FORMAT_PEM) {
1051 if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1052 else i=PEM_write_bio_X509_REQ(out,req);
1053 } else {
1054 BIO_printf(bio_err,"bad output format specified for outfile\n");
1055 goto end;
1056 }
1057 if (!i)
1058 {
1059 BIO_printf(bio_err,"unable to write X509 request\n");
1060 goto end;
1061 }
1062 }
1063 if (!noout && x509 && (x509ss != NULL))
1064 {
1065 if (outformat == FORMAT_ASN1)
1066 i=i2d_X509_bio(out,x509ss);
1067 else if (outformat == FORMAT_PEM)
1068 i=PEM_write_bio_X509(out,x509ss);
1069 else {
1070 BIO_printf(bio_err,"bad output format specified for outfile\n");
1071 goto end;
1072 }
1073 if (!i)
1074 {
1075 BIO_printf(bio_err,"unable to write X509 certificate\n");
1076 goto end;
1077 }
1078 }
1079 ex=0;
1080 end:
1081 #ifndef MONOLITH
1082 if(to_free)
1083 OPENSSL_free(to_free);
1084 #endif
1085 if (ex)
1086 {
1087 ERR_print_errors(bio_err);
1088 }
1089 if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1090 BIO_free(in);
1091 BIO_free_all(out);
1092 EVP_PKEY_free(pkey);
1093 if (genctx)
1094 EVP_PKEY_CTX_free(genctx);
1095 if (pkeyopts)
1096 sk_OPENSSL_STRING_free(pkeyopts);
1097 if (sigopts)
1098 sk_OPENSSL_STRING_free(sigopts);
1099 #ifndef OPENSSL_NO_ENGINE
1100 if (gen_eng)
1101 ENGINE_free(gen_eng);
1102 #endif
1103 if (keyalgstr)
1104 OPENSSL_free(keyalgstr);
1105 X509_REQ_free(req);
1106 X509_free(x509ss);
1107 ASN1_INTEGER_free(serial);
1108 if(passargin && passin) OPENSSL_free(passin);
1109 if(passargout && passout) OPENSSL_free(passout);
1110 OBJ_cleanup();
1111 apps_shutdown();
1112 OPENSSL_EXIT(ex);
1113 }
1114
make_REQ(X509_REQ * req,EVP_PKEY * pkey,char * subj,int multirdn,int attribs,unsigned long chtype)1115 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1116 int attribs, unsigned long chtype)
1117 {
1118 int ret=0,i;
1119 char no_prompt = 0;
1120 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1121 char *tmp, *dn_sect,*attr_sect;
1122
1123 tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1124 if (tmp == NULL)
1125 ERR_clear_error();
1126 if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1127
1128 dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1129 if (dn_sect == NULL)
1130 {
1131 BIO_printf(bio_err,"unable to find '%s' in config\n",
1132 DISTINGUISHED_NAME);
1133 goto err;
1134 }
1135 dn_sk=NCONF_get_section(req_conf,dn_sect);
1136 if (dn_sk == NULL)
1137 {
1138 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1139 goto err;
1140 }
1141
1142 attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1143 if (attr_sect == NULL)
1144 {
1145 ERR_clear_error();
1146 attr_sk=NULL;
1147 }
1148 else
1149 {
1150 attr_sk=NCONF_get_section(req_conf,attr_sect);
1151 if (attr_sk == NULL)
1152 {
1153 BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1154 goto err;
1155 }
1156 }
1157
1158 /* setup version number */
1159 if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1160
1161 if (no_prompt)
1162 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1163 else
1164 {
1165 if (subj)
1166 i = build_subject(req, subj, chtype, multirdn);
1167 else
1168 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1169 }
1170 if(!i) goto err;
1171
1172 if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1173
1174 ret=1;
1175 err:
1176 return(ret);
1177 }
1178
1179 /*
1180 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1181 * where characters may be escaped by \
1182 */
build_subject(X509_REQ * req,char * subject,unsigned long chtype,int multirdn)1183 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1184 {
1185 X509_NAME *n;
1186
1187 if (!(n = parse_name(subject, chtype, multirdn)))
1188 return 0;
1189
1190 if (!X509_REQ_set_subject_name(req, n))
1191 {
1192 X509_NAME_free(n);
1193 return 0;
1194 }
1195 X509_NAME_free(n);
1196 return 1;
1197 }
1198
1199
prompt_info(X509_REQ * req,STACK_OF (CONF_VALUE)* dn_sk,char * dn_sect,STACK_OF (CONF_VALUE)* attr_sk,char * attr_sect,int attribs,unsigned long chtype)1200 static int prompt_info(X509_REQ *req,
1201 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1202 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1203 unsigned long chtype)
1204 {
1205 int i;
1206 char *p,*q;
1207 char buf[100];
1208 int nid, mval;
1209 long n_min,n_max;
1210 char *type, *value;
1211 const char *def;
1212 CONF_VALUE *v;
1213 X509_NAME *subj;
1214 subj = X509_REQ_get_subject_name(req);
1215
1216 if(!batch)
1217 {
1218 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1219 BIO_printf(bio_err,"into your certificate request.\n");
1220 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1221 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1222 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1223 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1224 BIO_printf(bio_err,"-----\n");
1225 }
1226
1227
1228 if (sk_CONF_VALUE_num(dn_sk))
1229 {
1230 i= -1;
1231 start: for (;;)
1232 {
1233 i++;
1234 if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1235
1236 v=sk_CONF_VALUE_value(dn_sk,i);
1237 p=q=NULL;
1238 type=v->name;
1239 if(!check_end(type,"_min") || !check_end(type,"_max") ||
1240 !check_end(type,"_default") ||
1241 !check_end(type,"_value")) continue;
1242 /* Skip past any leading X. X: X, etc to allow for
1243 * multiple instances
1244 */
1245 for(p = v->name; *p ; p++)
1246 if ((*p == ':') || (*p == ',') ||
1247 (*p == '.')) {
1248 p++;
1249 if(*p) type = p;
1250 break;
1251 }
1252 if (*type == '+')
1253 {
1254 mval = -1;
1255 type++;
1256 }
1257 else
1258 mval = 0;
1259 /* If OBJ not recognised ignore it */
1260 if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1261 if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1262 >= (int)sizeof(buf))
1263 {
1264 BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1265 return 0;
1266 }
1267
1268 if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1269 {
1270 ERR_clear_error();
1271 def="";
1272 }
1273
1274 BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1275 if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1276 {
1277 ERR_clear_error();
1278 value=NULL;
1279 }
1280
1281 BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1282 if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1283 {
1284 ERR_clear_error();
1285 n_min = -1;
1286 }
1287
1288 BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1289 if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1290 {
1291 ERR_clear_error();
1292 n_max = -1;
1293 }
1294
1295 if (!add_DN_object(subj,v->value,def,value,nid,
1296 n_min,n_max, chtype, mval))
1297 return 0;
1298 }
1299 if (X509_NAME_entry_count(subj) == 0)
1300 {
1301 BIO_printf(bio_err,"error, no objects specified in config file\n");
1302 return 0;
1303 }
1304
1305 if (attribs)
1306 {
1307 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1308 {
1309 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1310 BIO_printf(bio_err,"to be sent with your certificate request\n");
1311 }
1312
1313 i= -1;
1314 start2: for (;;)
1315 {
1316 i++;
1317 if ((attr_sk == NULL) ||
1318 (sk_CONF_VALUE_num(attr_sk) <= i))
1319 break;
1320
1321 v=sk_CONF_VALUE_value(attr_sk,i);
1322 type=v->name;
1323 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1324 goto start2;
1325
1326 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1327 >= (int)sizeof(buf))
1328 {
1329 BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1330 return 0;
1331 }
1332
1333 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1334 == NULL)
1335 {
1336 ERR_clear_error();
1337 def="";
1338 }
1339
1340
1341 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1342 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1343 == NULL)
1344 {
1345 ERR_clear_error();
1346 value=NULL;
1347 }
1348
1349 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1350 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1351 {
1352 ERR_clear_error();
1353 n_min = -1;
1354 }
1355
1356 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1357 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1358 {
1359 ERR_clear_error();
1360 n_max = -1;
1361 }
1362
1363 if (!add_attribute_object(req,
1364 v->value,def,value,nid,n_min,n_max, chtype))
1365 return 0;
1366 }
1367 }
1368 }
1369 else
1370 {
1371 BIO_printf(bio_err,"No template, please set one up.\n");
1372 return 0;
1373 }
1374
1375 return 1;
1376
1377 }
1378
auto_info(X509_REQ * req,STACK_OF (CONF_VALUE)* dn_sk,STACK_OF (CONF_VALUE)* attr_sk,int attribs,unsigned long chtype)1379 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1380 STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1381 {
1382 int i;
1383 char *p,*q;
1384 char *type;
1385 CONF_VALUE *v;
1386 X509_NAME *subj;
1387
1388 subj = X509_REQ_get_subject_name(req);
1389
1390 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1391 {
1392 int mval;
1393 v=sk_CONF_VALUE_value(dn_sk,i);
1394 p=q=NULL;
1395 type=v->name;
1396 /* Skip past any leading X. X: X, etc to allow for
1397 * multiple instances
1398 */
1399 for(p = v->name; *p ; p++)
1400 #ifndef CHARSET_EBCDIC
1401 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1402 #else
1403 if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1404 #endif
1405 p++;
1406 if(*p) type = p;
1407 break;
1408 }
1409 #ifndef CHARSET_EBCDIC
1410 if (*p == '+')
1411 #else
1412 if (*p == os_toascii['+'])
1413 #endif
1414 {
1415 p++;
1416 mval = -1;
1417 }
1418 else
1419 mval = 0;
1420 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1421 (unsigned char *) v->value,-1,-1,mval)) return 0;
1422
1423 }
1424
1425 if (!X509_NAME_entry_count(subj))
1426 {
1427 BIO_printf(bio_err,"error, no objects specified in config file\n");
1428 return 0;
1429 }
1430 if (attribs)
1431 {
1432 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1433 {
1434 v=sk_CONF_VALUE_value(attr_sk,i);
1435 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1436 (unsigned char *)v->value, -1)) return 0;
1437 }
1438 }
1439 return 1;
1440 }
1441
1442
1443 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1444 int nid, int n_min, int n_max, unsigned long chtype, int mval)
1445 {
1446 int i,ret=0;
1447 MS_STATIC char buf[1024];
1448 start:
1449 if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1450 (void)BIO_flush(bio_err);
1451 if(value != NULL)
1452 {
1453 BUF_strlcpy(buf,value,sizeof buf);
1454 BUF_strlcat(buf,"\n",sizeof buf);
1455 BIO_printf(bio_err,"%s\n",value);
1456 }
1457 else
1458 {
1459 buf[0]='\0';
1460 if (!batch)
1461 {
1462 if (!fgets(buf,sizeof buf,stdin))
1463 return 0;
1464 }
1465 else
1466 {
1467 buf[0] = '\n';
1468 buf[1] = '\0';
1469 }
1470 }
1471
1472 if (buf[0] == '\0') return(0);
1473 else if (buf[0] == '\n')
1474 {
1475 if ((def == NULL) || (def[0] == '\0'))
1476 return(1);
1477 BUF_strlcpy(buf,def,sizeof buf);
1478 BUF_strlcat(buf,"\n",sizeof buf);
1479 }
1480 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1481
1482 i=strlen(buf);
1483 if (buf[i-1] != '\n')
1484 {
1485 BIO_printf(bio_err,"weird input :-(\n");
1486 return(0);
1487 }
1488 buf[--i]='\0';
1489 #ifdef CHARSET_EBCDIC
1490 ebcdic2ascii(buf, buf, i);
1491 #endif
1492 if(!req_check_len(i, n_min, n_max))
1493 {
1494 if (batch || value)
1495 return 0;
1496 goto start;
1497 }
1498
1499 if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1500 (unsigned char *) buf, -1,-1,mval)) goto err;
1501 ret=1;
1502 err:
1503 return(ret);
1504 }
1505
1506 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1507 char *value, int nid, int n_min,
1508 int n_max, unsigned long chtype)
1509 {
1510 int i;
1511 static char buf[1024];
1512
1513 start:
1514 if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1515 (void)BIO_flush(bio_err);
1516 if (value != NULL)
1517 {
1518 BUF_strlcpy(buf,value,sizeof buf);
1519 BUF_strlcat(buf,"\n",sizeof buf);
1520 BIO_printf(bio_err,"%s\n",value);
1521 }
1522 else
1523 {
1524 buf[0]='\0';
1525 if (!batch)
1526 {
1527 if (!fgets(buf,sizeof buf,stdin))
1528 return 0;
1529 }
1530 else
1531 {
1532 buf[0] = '\n';
1533 buf[1] = '\0';
1534 }
1535 }
1536
1537 if (buf[0] == '\0') return(0);
1538 else if (buf[0] == '\n')
1539 {
1540 if ((def == NULL) || (def[0] == '\0'))
1541 return(1);
1542 BUF_strlcpy(buf,def,sizeof buf);
1543 BUF_strlcat(buf,"\n",sizeof buf);
1544 }
1545 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1546
1547 i=strlen(buf);
1548 if (buf[i-1] != '\n')
1549 {
1550 BIO_printf(bio_err,"weird input :-(\n");
1551 return(0);
1552 }
1553 buf[--i]='\0';
1554 #ifdef CHARSET_EBCDIC
1555 ebcdic2ascii(buf, buf, i);
1556 #endif
1557 if(!req_check_len(i, n_min, n_max))
1558 {
1559 if (batch || value)
1560 return 0;
1561 goto start;
1562 }
1563
1564 if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1565 (unsigned char *)buf, -1)) {
1566 BIO_printf(bio_err, "Error adding attribute\n");
1567 ERR_print_errors(bio_err);
1568 goto err;
1569 }
1570
1571 return(1);
1572 err:
1573 return(0);
1574 }
1575
1576 static int req_check_len(int len, int n_min, int n_max)
1577 {
1578 if ((n_min > 0) && (len < n_min))
1579 {
1580 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1581 return(0);
1582 }
1583 if ((n_max >= 0) && (len > n_max))
1584 {
1585 BIO_printf(bio_err,"string is too long, it needs to be less than %d bytes long\n",n_max);
1586 return(0);
1587 }
1588 return(1);
1589 }
1590
1591 /* Check if the end of a string matches 'end' */
1592 static int check_end(const char *str, const char *end)
1593 {
1594 int elen, slen;
1595 const char *tmp;
1596 elen = strlen(end);
1597 slen = strlen(str);
1598 if(elen > slen) return 1;
1599 tmp = str + slen - elen;
1600 return strcmp(tmp, end);
1601 }
1602
1603 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
1604 long *pkeylen, char **palgnam,
1605 ENGINE *keygen_engine)
1606 {
1607 EVP_PKEY_CTX *gctx = NULL;
1608 EVP_PKEY *param = NULL;
1609 long keylen = -1;
1610 BIO *pbio = NULL;
1611 const char *paramfile = NULL;
1612
1613 if (gstr == NULL)
1614 {
1615 *pkey_type = EVP_PKEY_RSA;
1616 keylen = *pkeylen;
1617 }
1618 else if (gstr[0] >= '0' && gstr[0] <= '9')
1619 {
1620 *pkey_type = EVP_PKEY_RSA;
1621 keylen = atol(gstr);
1622 *pkeylen = keylen;
1623 }
1624 else if (!strncmp(gstr, "param:", 6))
1625 paramfile = gstr + 6;
1626 else
1627 {
1628 const char *p = strchr(gstr, ':');
1629 int len;
1630 ENGINE *tmpeng;
1631 const EVP_PKEY_ASN1_METHOD *ameth;
1632
1633 if (p)
1634 len = p - gstr;
1635 else
1636 len = strlen(gstr);
1637 /* The lookup of a the string will cover all engines so
1638 * keep a note of the implementation.
1639 */
1640
1641 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1642
1643 if (!ameth)
1644 {
1645 BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1646 return NULL;
1647 }
1648
1649 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL,
1650 ameth);
1651 #ifndef OPENSSL_NO_ENGINE
1652 if (tmpeng)
1653 ENGINE_finish(tmpeng);
1654 #endif
1655 if (*pkey_type == EVP_PKEY_RSA)
1656 {
1657 if (p)
1658 {
1659 keylen = atol(p + 1);
1660 *pkeylen = keylen;
1661 }
1662 else
1663 keylen = *pkeylen;
1664 }
1665 else if (p)
1666 paramfile = p + 1;
1667 }
1668
1669 if (paramfile)
1670 {
1671 pbio = BIO_new_file(paramfile, "r");
1672 if (!pbio)
1673 {
1674 BIO_printf(err, "Can't open parameter file %s\n",
1675 paramfile);
1676 return NULL;
1677 }
1678 param = PEM_read_bio_Parameters(pbio, NULL);
1679
1680 if (!param)
1681 {
1682 X509 *x;
1683 (void)BIO_reset(pbio);
1684 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1685 if (x)
1686 {
1687 param = X509_get_pubkey(x);
1688 X509_free(x);
1689 }
1690 }
1691
1692 BIO_free(pbio);
1693
1694 if (!param)
1695 {
1696 BIO_printf(err, "Error reading parameter file %s\n",
1697 paramfile);
1698 return NULL;
1699 }
1700 if (*pkey_type == -1)
1701 *pkey_type = EVP_PKEY_id(param);
1702 else if (*pkey_type != EVP_PKEY_base_id(param))
1703 {
1704 BIO_printf(err, "Key Type does not match parameters\n");
1705 EVP_PKEY_free(param);
1706 return NULL;
1707 }
1708 }
1709
1710 if (palgnam)
1711 {
1712 const EVP_PKEY_ASN1_METHOD *ameth;
1713 ENGINE *tmpeng;
1714 const char *anam;
1715 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1716 if (!ameth)
1717 {
1718 BIO_puts(err, "Internal error: can't find key algorithm\n");
1719 return NULL;
1720 }
1721 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1722 *palgnam = BUF_strdup(anam);
1723 #ifndef OPENSSL_NO_ENGINE
1724 if (tmpeng)
1725 ENGINE_finish(tmpeng);
1726 #endif
1727 }
1728
1729 if (param)
1730 {
1731 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1732 *pkeylen = EVP_PKEY_bits(param);
1733 EVP_PKEY_free(param);
1734 }
1735 else
1736 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1737
1738 if (!gctx)
1739 {
1740 BIO_puts(err, "Error allocating keygen context\n");
1741 ERR_print_errors(err);
1742 return NULL;
1743 }
1744
1745 if (EVP_PKEY_keygen_init(gctx) <= 0)
1746 {
1747 BIO_puts(err, "Error initializing keygen context\n");
1748 ERR_print_errors(err);
1749 return NULL;
1750 }
1751 #ifndef OPENSSL_NO_RSA
1752 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1))
1753 {
1754 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0)
1755 {
1756 BIO_puts(err, "Error setting RSA keysize\n");
1757 ERR_print_errors(err);
1758 EVP_PKEY_CTX_free(gctx);
1759 return NULL;
1760 }
1761 }
1762 #endif
1763
1764 return gctx;
1765 }
1766
1767 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1768 {
1769 char c='*';
1770 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1771 int p;
1772 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1773 if (p == 0) c='.';
1774 if (p == 1) c='+';
1775 if (p == 2) c='*';
1776 if (p == 3) c='\n';
1777 BIO_write(b,&c,1);
1778 (void)BIO_flush(b);
1779 #ifdef LINT
1780 p=n;
1781 #endif
1782 return 1;
1783 }
1784
1785 static int do_sign_init(BIO *err, EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1786 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1787 {
1788 EVP_PKEY_CTX *pkctx = NULL;
1789 int i;
1790 EVP_MD_CTX_init(ctx);
1791 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1792 return 0;
1793 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++)
1794 {
1795 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1796 if (pkey_ctrl_string(pkctx, sigopt) <= 0)
1797 {
1798 BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1799 ERR_print_errors(bio_err);
1800 return 0;
1801 }
1802 }
1803 return 1;
1804 }
1805
1806 int do_X509_sign(BIO *err, X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
1807 STACK_OF(OPENSSL_STRING) *sigopts)
1808 {
1809 int rv;
1810 EVP_MD_CTX mctx;
1811 EVP_MD_CTX_init(&mctx);
1812 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1813 if (rv > 0)
1814 rv = X509_sign_ctx(x, &mctx);
1815 EVP_MD_CTX_cleanup(&mctx);
1816 return rv > 0 ? 1 : 0;
1817 }
1818
1819
1820 int do_X509_REQ_sign(BIO *err, X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
1821 STACK_OF(OPENSSL_STRING) *sigopts)
1822 {
1823 int rv;
1824 EVP_MD_CTX mctx;
1825 EVP_MD_CTX_init(&mctx);
1826 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1827 if (rv > 0)
1828 rv = X509_REQ_sign_ctx(x, &mctx);
1829 EVP_MD_CTX_cleanup(&mctx);
1830 return rv > 0 ? 1 : 0;
1831 }
1832
1833
1834
1835 int do_X509_CRL_sign(BIO *err, X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
1836 STACK_OF(OPENSSL_STRING) *sigopts)
1837 {
1838 int rv;
1839 EVP_MD_CTX mctx;
1840 EVP_MD_CTX_init(&mctx);
1841 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1842 if (rv > 0)
1843 rv = X509_CRL_sign_ctx(x, &mctx);
1844 EVP_MD_CTX_cleanup(&mctx);
1845 return rv > 0 ? 1 : 0;
1846 }
1847
1848
1849