Document extension clash.
[openssl.git] / apps / req.c
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
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 (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 <= 0)
656                         {
657                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
658                                 newkey=DEFAULT_KEY_LENGTH;
659                         }
660
661                 if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA))
662                         {
663                         BIO_printf(bio_err,"private key length is too short,\n");
664                         BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
665                         goto end;
666                         }
667
668                 if (!genctx)
669                         {
670                         genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
671                                                         &keyalgstr, gen_eng);
672                         if (!genctx)
673                                 goto end;
674                         }
675
676                 if (pkeyopts)
677                         {
678                         char *genopt;
679                         for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++)
680                                 {
681                                 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
682                                 if (pkey_ctrl_string(genctx, genopt) <= 0)
683                                         {
684                                         BIO_printf(bio_err,
685                                                 "parameter error \"%s\"\n",
686                                                 genopt);
687                                         ERR_print_errors(bio_err);
688                                         goto end;
689                                         }
690                                 }
691                         }
692
693                 BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
694                                 newkey, keyalgstr);
695
696                 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
697                 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
698
699                 if (EVP_PKEY_keygen(genctx, &pkey) <= 0)
700                         {
701                         BIO_puts(bio_err, "Error Generating Key\n");
702                         goto end;
703                         }
704
705                 EVP_PKEY_CTX_free(genctx);
706                 genctx = NULL;
707
708                 app_RAND_write_file(randfile, bio_err);
709
710                 if (keyout == NULL)
711                         {
712                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
713                         if (keyout == NULL)
714                                 ERR_clear_error();
715                         }
716                 
717                 if (keyout == NULL)
718                         {
719                         BIO_printf(bio_err,"writing new private key to stdout\n");
720                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
721 #ifdef OPENSSL_SYS_VMS
722                         {
723                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
724                         out = BIO_push(tmpbio, out);
725                         }
726 #endif
727                         }
728                 else
729                         {
730                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
731                         if (BIO_write_filename(out,keyout) <= 0)
732                                 {
733                                 perror(keyout);
734                                 goto end;
735                                 }
736                         }
737
738                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
739                 if (p == NULL)
740                         {
741                         ERR_clear_error();
742                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
743                         if (p == NULL)
744                                 ERR_clear_error();
745                         }
746                 if ((p != NULL) && (strcmp(p,"no") == 0))
747                         cipher=NULL;
748                 if (nodes) cipher=NULL;
749                 
750                 i=0;
751 loop:
752                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
753                         NULL,0,NULL,passout))
754                         {
755                         if ((ERR_GET_REASON(ERR_peek_error()) ==
756                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
757                                 {
758                                 ERR_clear_error();
759                                 i++;
760                                 goto loop;
761                                 }
762                         goto end;
763                         }
764                 BIO_printf(bio_err,"-----\n");
765                 }
766
767         if (!newreq)
768                 {
769                 /* Since we are using a pre-existing certificate
770                  * request, the kludge 'format' info should not be
771                  * changed. */
772                 kludge= -1;
773                 if (infile == NULL)
774                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
775                 else
776                         {
777                         if (BIO_read_filename(in,infile) <= 0)
778                                 {
779                                 perror(infile);
780                                 goto end;
781                                 }
782                         }
783
784                 if      (informat == FORMAT_ASN1)
785                         req=d2i_X509_REQ_bio(in,NULL);
786                 else if (informat == FORMAT_PEM)
787                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
788                 else
789                         {
790                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
791                         goto end;
792                         }
793                 if (req == NULL)
794                         {
795                         BIO_printf(bio_err,"unable to load X509 request\n");
796                         goto end;
797                         }
798                 }
799
800         if (newreq || x509)
801                 {
802                 if (pkey == NULL)
803                         {
804                         BIO_printf(bio_err,"you need to specify a private key\n");
805                         goto end;
806                         }
807
808                 if (req == NULL)
809                         {
810                         req=X509_REQ_new();
811                         if (req == NULL)
812                                 {
813                                 goto end;
814                                 }
815
816                         i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
817                         subj=NULL; /* done processing '-subj' option */
818                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
819                                 {
820                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
821                                 req->req_info->attributes = NULL;
822                                 }
823                         if (!i)
824                                 {
825                                 BIO_printf(bio_err,"problems making Certificate Request\n");
826                                 goto end;
827                                 }
828                         }
829                 if (x509)
830                         {
831                         EVP_PKEY *tmppkey;
832                         X509V3_CTX ext_ctx;
833                         if ((x509ss=X509_new()) == NULL) goto end;
834
835                         /* Set version to V3 */
836                         if(extensions && !X509_set_version(x509ss, 2)) goto end;
837                         if (serial)
838                                 {
839                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
840                                 }
841                         else
842                                 {
843                                 if (!rand_serial(NULL,
844                                         X509_get_serialNumber(x509ss)))
845                                                 goto end;
846                                 }
847
848                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
849                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
850                         if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL)) goto end;
851                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
852                         tmppkey = X509_REQ_get_pubkey(req);
853                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
854                         EVP_PKEY_free(tmppkey);
855
856                         /* Set up V3 context struct */
857
858                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
859                         X509V3_set_nconf(&ext_ctx, req_conf);
860
861                         /* Add extensions */
862                         if(extensions && !X509V3_EXT_add_nconf(req_conf, 
863                                         &ext_ctx, extensions, x509ss))
864                                 {
865                                 BIO_printf(bio_err,
866                                         "Error Loading extension section %s\n",
867                                         extensions);
868                                 goto end;
869                                 }
870
871                         i=do_X509_sign(bio_err, x509ss, pkey, digest, sigopts);
872                         if (!i)
873                                 {
874                                 ERR_print_errors(bio_err);
875                                 goto end;
876                                 }
877                         }
878                 else
879                         {
880                         X509V3_CTX ext_ctx;
881
882                         /* Set up V3 context struct */
883
884                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
885                         X509V3_set_nconf(&ext_ctx, req_conf);
886
887                         /* Add extensions */
888                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 
889                                         &ext_ctx, req_exts, req))
890                                 {
891                                 BIO_printf(bio_err,
892                                         "Error Loading extension section %s\n",
893                                         req_exts);
894                                 goto end;
895                                 }
896                         i=do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts);
897                         if (!i)
898                                 {
899                                 ERR_print_errors(bio_err);
900                                 goto end;
901                                 }
902                         }
903                 }
904
905         if (subj && x509)
906                 {
907                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
908                 goto end;
909                 }
910
911         if (subj && !x509)
912                 {
913                 if (verbose)
914                         {
915                         BIO_printf(bio_err, "Modifying Request's Subject\n");
916                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
917                         }
918
919                 if (build_subject(req, subj, chtype, multirdn) == 0)
920                         {
921                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
922                         ex=1;
923                         goto end;
924                         }
925
926                 req->req_info->enc.modified = 1;
927
928                 if (verbose)
929                         {
930                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
931                         }
932                 }
933
934         if (verify && !x509)
935                 {
936                 int tmp=0;
937
938                 if (pkey == NULL)
939                         {
940                         pkey=X509_REQ_get_pubkey(req);
941                         tmp=1;
942                         if (pkey == NULL) goto end;
943                         }
944
945                 i=X509_REQ_verify(req,pkey);
946                 if (tmp) {
947                         EVP_PKEY_free(pkey);
948                         pkey=NULL;
949                 }
950
951                 if (i < 0)
952                         {
953                         goto end;
954                         }
955                 else if (i == 0)
956                         {
957                         BIO_printf(bio_err,"verify failure\n");
958                         ERR_print_errors(bio_err);
959                         }
960                 else /* if (i > 0) */
961                         BIO_printf(bio_err,"verify OK\n");
962                 }
963
964         if (noout && !text && !modulus && !subject && !pubkey)
965                 {
966                 ex=0;
967                 goto end;
968                 }
969
970         if (outfile == NULL)
971                 {
972                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
973 #ifdef OPENSSL_SYS_VMS
974                 {
975                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
976                 out = BIO_push(tmpbio, out);
977                 }
978 #endif
979                 }
980         else
981                 {
982                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
983                         i=(int)BIO_append_filename(out,outfile);
984                 else
985                         i=(int)BIO_write_filename(out,outfile);
986                 if (!i)
987                         {
988                         perror(outfile);
989                         goto end;
990                         }
991                 }
992
993         if (pubkey)
994                 {
995                 EVP_PKEY *tpubkey; 
996                 tpubkey=X509_REQ_get_pubkey(req);
997                 if (tpubkey == NULL)
998                         {
999                         BIO_printf(bio_err,"Error getting public key\n");
1000                         ERR_print_errors(bio_err);
1001                         goto end;
1002                         }
1003                 PEM_write_bio_PUBKEY(out, tpubkey);
1004                 EVP_PKEY_free(tpubkey);
1005                 }
1006
1007         if (text)
1008                 {
1009                 if (x509)
1010                         X509_print_ex(out, x509ss, nmflag, reqflag);
1011                 else    
1012                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1013                 }
1014
1015         if(subject) 
1016                 {
1017                 if(x509)
1018                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1019                 else
1020                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1021                 }
1022
1023         if (modulus)
1024                 {
1025                 EVP_PKEY *tpubkey;
1026
1027                 if (x509)
1028                         tpubkey=X509_get_pubkey(x509ss);
1029                 else
1030                         tpubkey=X509_REQ_get_pubkey(req);
1031                 if (tpubkey == NULL)
1032                         {
1033                         fprintf(stdout,"Modulus=unavailable\n");
1034                         goto end; 
1035                         }
1036                 fprintf(stdout,"Modulus=");
1037 #ifndef OPENSSL_NO_RSA
1038                 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
1039                         BN_print(out,tpubkey->pkey.rsa->n);
1040                 else
1041 #endif
1042                         fprintf(stdout,"Wrong Algorithm type");
1043                 EVP_PKEY_free(tpubkey);
1044                 fprintf(stdout,"\n");
1045                 }
1046
1047         if (!noout && !x509)
1048                 {
1049                 if      (outformat == FORMAT_ASN1)
1050                         i=i2d_X509_REQ_bio(out,req);
1051                 else if (outformat == FORMAT_PEM) {
1052                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1053                         else i=PEM_write_bio_X509_REQ(out,req);
1054                 } else {
1055                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1056                         goto end;
1057                         }
1058                 if (!i)
1059                         {
1060                         BIO_printf(bio_err,"unable to write X509 request\n");
1061                         goto end;
1062                         }
1063                 }
1064         if (!noout && x509 && (x509ss != NULL))
1065                 {
1066                 if      (outformat == FORMAT_ASN1)
1067                         i=i2d_X509_bio(out,x509ss);
1068                 else if (outformat == FORMAT_PEM)
1069                         i=PEM_write_bio_X509(out,x509ss);
1070                 else    {
1071                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1072                         goto end;
1073                         }
1074                 if (!i)
1075                         {
1076                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1077                         goto end;
1078                         }
1079                 }
1080         ex=0;
1081 end:
1082 #ifndef MONOLITH
1083         if(to_free)
1084                 OPENSSL_free(to_free);
1085 #endif
1086         if (ex)
1087                 {
1088                 ERR_print_errors(bio_err);
1089                 }
1090         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1091         BIO_free(in);
1092         BIO_free_all(out);
1093         EVP_PKEY_free(pkey);
1094         if (genctx)
1095                 EVP_PKEY_CTX_free(genctx);
1096         if (pkeyopts)
1097                 sk_OPENSSL_STRING_free(pkeyopts);
1098         if (sigopts)
1099                 sk_OPENSSL_STRING_free(sigopts);
1100 #ifndef OPENSSL_NO_ENGINE
1101         if (gen_eng)
1102                 ENGINE_free(gen_eng);
1103 #endif
1104         if (keyalgstr)
1105                 OPENSSL_free(keyalgstr);
1106         X509_REQ_free(req);
1107         X509_free(x509ss);
1108         ASN1_INTEGER_free(serial);
1109         if(passargin && passin) OPENSSL_free(passin);
1110         if(passargout && passout) OPENSSL_free(passout);
1111         OBJ_cleanup();
1112         apps_shutdown();
1113         OPENSSL_EXIT(ex);
1114         }
1115
1116 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1117                         int attribs, unsigned long chtype)
1118         {
1119         int ret=0,i;
1120         char no_prompt = 0;
1121         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1122         char *tmp, *dn_sect,*attr_sect;
1123
1124         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1125         if (tmp == NULL)
1126                 ERR_clear_error();
1127         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1128
1129         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1130         if (dn_sect == NULL)
1131                 {
1132                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1133                         DISTINGUISHED_NAME);
1134                 goto err;
1135                 }
1136         dn_sk=NCONF_get_section(req_conf,dn_sect);
1137         if (dn_sk == NULL)
1138                 {
1139                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1140                 goto err;
1141                 }
1142
1143         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1144         if (attr_sect == NULL)
1145                 {
1146                 ERR_clear_error();              
1147                 attr_sk=NULL;
1148                 }
1149         else
1150                 {
1151                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1152                 if (attr_sk == NULL)
1153                         {
1154                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1155                         goto err;
1156                         }
1157                 }
1158
1159         /* setup version number */
1160         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1161
1162         if (subj)
1163                 i = build_subject(req, subj, chtype, multirdn);
1164         else if (no_prompt) 
1165                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1166         else
1167                 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1168         if(!i) goto err;
1169
1170         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1171
1172         ret=1;
1173 err:
1174         return(ret);
1175         }
1176
1177 /*
1178  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1179  * where characters may be escaped by \
1180  */
1181 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1182         {
1183         X509_NAME *n;
1184
1185         if (!(n = parse_name(subject, chtype, multirdn)))
1186                 return 0;
1187
1188         if (!X509_REQ_set_subject_name(req, n))
1189                 {
1190                 X509_NAME_free(n);
1191                 return 0;
1192                 }
1193         X509_NAME_free(n);
1194         return 1;
1195 }
1196
1197
1198 static int prompt_info(X509_REQ *req,
1199                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1200                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1201                 unsigned long chtype)
1202         {
1203         int i;
1204         char *p,*q;
1205         char buf[100];
1206         int nid, mval;
1207         long n_min,n_max;
1208         char *type, *value;
1209         const char *def;
1210         CONF_VALUE *v;
1211         X509_NAME *subj;
1212         subj = X509_REQ_get_subject_name(req);
1213
1214         if(!batch)
1215                 {
1216                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1217                 BIO_printf(bio_err,"into your certificate request.\n");
1218                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1219                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1220                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1221                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1222                 BIO_printf(bio_err,"-----\n");
1223                 }
1224
1225
1226         if (sk_CONF_VALUE_num(dn_sk))
1227                 {
1228                 i= -1;
1229 start:          for (;;)
1230                         {
1231                         i++;
1232                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1233
1234                         v=sk_CONF_VALUE_value(dn_sk,i);
1235                         p=q=NULL;
1236                         type=v->name;
1237                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1238                                 !check_end(type,"_default") ||
1239                                          !check_end(type,"_value")) continue;
1240                         /* Skip past any leading X. X: X, etc to allow for
1241                          * multiple instances 
1242                          */
1243                         for(p = v->name; *p ; p++) 
1244                                 if ((*p == ':') || (*p == ',') ||
1245                                                          (*p == '.')) {
1246                                         p++;
1247                                         if(*p) type = p;
1248                                         break;
1249                                 }
1250                         if (*type == '+')
1251                                 {
1252                                 mval = -1;
1253                                 type++;
1254                                 }
1255                         else
1256                                 mval = 0;
1257                         /* If OBJ not recognised ignore it */
1258                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1259                         if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1260                                 >= (int)sizeof(buf))
1261                            {
1262                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1263                            return 0;
1264                            }
1265
1266                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1267                                 {
1268                                 ERR_clear_error();
1269                                 def="";
1270                                 }
1271                                 
1272                         BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1273                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1274                                 {
1275                                 ERR_clear_error();
1276                                 value=NULL;
1277                                 }
1278
1279                         BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1280                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1281                                 {
1282                                 ERR_clear_error();
1283                                 n_min = -1;
1284                                 }
1285
1286                         BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1287                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1288                                 {
1289                                 ERR_clear_error();
1290                                 n_max = -1;
1291                                 }
1292
1293                         if (!add_DN_object(subj,v->value,def,value,nid,
1294                                 n_min,n_max, chtype, mval))
1295                                 return 0;
1296                         }
1297                 if (X509_NAME_entry_count(subj) == 0)
1298                         {
1299                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1300                         return 0;
1301                         }
1302
1303                 if (attribs)
1304                         {
1305                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1306                                 {
1307                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1308                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1309                                 }
1310
1311                         i= -1;
1312 start2:                 for (;;)
1313                                 {
1314                                 i++;
1315                                 if ((attr_sk == NULL) ||
1316                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1317                                         break;
1318
1319                                 v=sk_CONF_VALUE_value(attr_sk,i);
1320                                 type=v->name;
1321                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1322                                         goto start2;
1323
1324                                 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1325                                         >= (int)sizeof(buf))
1326                                    {
1327                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1328                                    return 0;
1329                                    }
1330
1331                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1332                                         == NULL)
1333                                         {
1334                                         ERR_clear_error();
1335                                         def="";
1336                                         }
1337                                 
1338                                 
1339                                 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1340                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1341                                         == NULL)
1342                                         {
1343                                         ERR_clear_error();
1344                                         value=NULL;
1345                                         }
1346
1347                                 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1348                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1349                                         {
1350                                         ERR_clear_error();
1351                                         n_min = -1;
1352                                         }
1353
1354                                 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1355                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1356                                         {
1357                                         ERR_clear_error();
1358                                         n_max = -1;
1359                                         }
1360
1361                                 if (!add_attribute_object(req,
1362                                         v->value,def,value,nid,n_min,n_max, chtype))
1363                                         return 0;
1364                                 }
1365                         }
1366                 }
1367         else
1368                 {
1369                 BIO_printf(bio_err,"No template, please set one up.\n");
1370                 return 0;
1371                 }
1372
1373         return 1;
1374
1375         }
1376
1377 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1378                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1379         {
1380         int i;
1381         char *p,*q;
1382         char *type;
1383         CONF_VALUE *v;
1384         X509_NAME *subj;
1385
1386         subj = X509_REQ_get_subject_name(req);
1387
1388         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1389                 {
1390                 int mval;
1391                 v=sk_CONF_VALUE_value(dn_sk,i);
1392                 p=q=NULL;
1393                 type=v->name;
1394                 /* Skip past any leading X. X: X, etc to allow for
1395                  * multiple instances 
1396                  */
1397                 for(p = v->name; *p ; p++) 
1398 #ifndef CHARSET_EBCDIC
1399                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1400 #else
1401                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1402 #endif
1403                                 p++;
1404                                 if(*p) type = p;
1405                                 break;
1406                         }
1407 #ifndef CHARSET_EBCDIC
1408                 if (*p == '+')
1409 #else
1410                 if (*p == os_toascii['+'])
1411 #endif
1412                         {
1413                         p++;
1414                         mval = -1;
1415                         }
1416                 else
1417                         mval = 0;
1418                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1419                                 (unsigned char *) v->value,-1,-1,mval)) return 0;
1420
1421                 }
1422
1423                 if (!X509_NAME_entry_count(subj))
1424                         {
1425                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1426                         return 0;
1427                         }
1428                 if (attribs)
1429                         {
1430                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1431                                 {
1432                                 v=sk_CONF_VALUE_value(attr_sk,i);
1433                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1434                                         (unsigned char *)v->value, -1)) return 0;
1435                                 }
1436                         }
1437         return 1;
1438         }
1439
1440
1441 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1442              int nid, int n_min, int n_max, unsigned long chtype, int mval)
1443         {
1444         int i,ret=0;
1445         MS_STATIC char buf[1024];
1446 start:
1447         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1448         (void)BIO_flush(bio_err);
1449         if(value != NULL)
1450                 {
1451                 BUF_strlcpy(buf,value,sizeof buf);
1452                 BUF_strlcat(buf,"\n",sizeof buf);
1453                 BIO_printf(bio_err,"%s\n",value);
1454                 }
1455         else
1456                 {
1457                 buf[0]='\0';
1458                 if (!batch)
1459                         {
1460                         if (!fgets(buf,sizeof buf,stdin))
1461                                 return 0;
1462                         }
1463                 else
1464                         {
1465                         buf[0] = '\n';
1466                         buf[1] = '\0';
1467                         }
1468                 }
1469
1470         if (buf[0] == '\0') return(0);
1471         else if (buf[0] == '\n')
1472                 {
1473                 if ((def == NULL) || (def[0] == '\0'))
1474                         return(1);
1475                 BUF_strlcpy(buf,def,sizeof buf);
1476                 BUF_strlcat(buf,"\n",sizeof buf);
1477                 }
1478         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1479
1480         i=strlen(buf);
1481         if (buf[i-1] != '\n')
1482                 {
1483                 BIO_printf(bio_err,"weird input :-(\n");
1484                 return(0);
1485                 }
1486         buf[--i]='\0';
1487 #ifdef CHARSET_EBCDIC
1488         ebcdic2ascii(buf, buf, i);
1489 #endif
1490         if(!req_check_len(i, n_min, n_max)) goto start;
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)) goto start;
1550
1551         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1552                                         (unsigned char *)buf, -1)) {
1553                 BIO_printf(bio_err, "Error adding attribute\n");
1554                 ERR_print_errors(bio_err);
1555                 goto err;
1556         }
1557
1558         return(1);
1559 err:
1560         return(0);
1561         }
1562
1563 static int req_check_len(int len, int n_min, int n_max)
1564         {
1565         if ((n_min > 0) && (len < n_min))
1566                 {
1567                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1568                 return(0);
1569                 }
1570         if ((n_max >= 0) && (len > n_max))
1571                 {
1572                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1573                 return(0);
1574                 }
1575         return(1);
1576         }
1577
1578 /* Check if the end of a string matches 'end' */
1579 static int check_end(const char *str, const char *end)
1580 {
1581         int elen, slen; 
1582         const char *tmp;
1583         elen = strlen(end);
1584         slen = strlen(str);
1585         if(elen > slen) return 1;
1586         tmp = str + slen - elen;
1587         return strcmp(tmp, end);
1588 }
1589
1590 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
1591                                         long *pkeylen, char **palgnam,
1592                                         ENGINE *keygen_engine)
1593         {
1594         EVP_PKEY_CTX *gctx = NULL;
1595         EVP_PKEY *param = NULL;
1596         long keylen = -1;
1597         BIO *pbio = NULL;
1598         const char *paramfile = NULL;
1599
1600         if (gstr == NULL)
1601                 {
1602                 *pkey_type = EVP_PKEY_RSA;
1603                 keylen = *pkeylen;
1604                 }
1605         else if (gstr[0] >= '0' && gstr[0] <= '9')
1606                 {
1607                 *pkey_type = EVP_PKEY_RSA;
1608                 keylen = atol(gstr);
1609                 *pkeylen = keylen;
1610                 }
1611         else if (!strncmp(gstr, "param:", 6))
1612                 paramfile = gstr + 6;
1613         else
1614                 {
1615                 const char *p = strchr(gstr, ':');
1616                 int len;
1617                 ENGINE *tmpeng;
1618                 const EVP_PKEY_ASN1_METHOD *ameth;
1619
1620                 if (p)
1621                         len = p - gstr;
1622                 else
1623                         len = strlen(gstr);
1624                 /* The lookup of a the string will cover all engines so
1625                  * keep a note of the implementation.
1626                  */
1627
1628                 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1629
1630                 if (!ameth)
1631                         {
1632                         BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1633                         return NULL;
1634                         }
1635
1636                 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL,
1637                                                                         ameth);
1638 #ifndef OPENSSL_NO_ENGINE
1639                 if (tmpeng)
1640                         ENGINE_finish(tmpeng);
1641 #endif
1642                 if (*pkey_type == EVP_PKEY_RSA)
1643                         {
1644                         if (p)
1645                                 {
1646                                 keylen = atol(p + 1);
1647                                 *pkeylen = keylen;
1648                                 }
1649                         }
1650                 else if (p)
1651                         paramfile = p + 1;
1652                 }
1653
1654         if (paramfile)
1655                 {
1656                 pbio = BIO_new_file(paramfile, "r");
1657                 if (!pbio)
1658                         {
1659                         BIO_printf(err, "Can't open parameter file %s\n",
1660                                         paramfile);
1661                         return NULL;
1662                         }
1663                 param = PEM_read_bio_Parameters(pbio, NULL);
1664
1665                 if (!param)
1666                         {
1667                         X509 *x;
1668                         (void)BIO_reset(pbio);
1669                         x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1670                         if (x)
1671                                 {
1672                                 param = X509_get_pubkey(x);
1673                                 X509_free(x);
1674                                 }
1675                         }
1676
1677                 BIO_free(pbio);
1678
1679                 if (!param)
1680                         {
1681                         BIO_printf(err, "Error reading parameter file %s\n",
1682                                         paramfile);
1683                         return NULL;
1684                         }
1685                 if (*pkey_type == -1)
1686                         *pkey_type = EVP_PKEY_id(param);
1687                 else if (*pkey_type != EVP_PKEY_base_id(param))
1688                         {
1689                         BIO_printf(err, "Key Type does not match parameters\n");
1690                         EVP_PKEY_free(param);
1691                         return NULL;
1692                         }
1693                 }
1694
1695         if (palgnam)
1696                 {
1697                 const EVP_PKEY_ASN1_METHOD *ameth;
1698                 ENGINE *tmpeng;
1699                 const char *anam;
1700                 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1701                 if (!ameth)
1702                         {
1703                         BIO_puts(err, "Internal error: can't find key algorithm\n");
1704                         return NULL;
1705                         }
1706                 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1707                 *palgnam = BUF_strdup(anam);
1708 #ifndef OPENSSL_NO_ENGINE
1709                 if (tmpeng)
1710                         ENGINE_finish(tmpeng);
1711 #endif
1712                 }
1713
1714         if (param)
1715                 {
1716                 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1717                 *pkeylen = EVP_PKEY_bits(param);
1718                 EVP_PKEY_free(param);
1719                 }
1720         else
1721                 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1722
1723         if (!gctx)
1724                 {
1725                 BIO_puts(err, "Error allocating keygen context\n");
1726                 ERR_print_errors(err);
1727                 return NULL;
1728                 }
1729
1730         if (EVP_PKEY_keygen_init(gctx) <= 0)
1731                 {
1732                 BIO_puts(err, "Error initializing keygen context\n");
1733                 ERR_print_errors(err);
1734                 return NULL;
1735                 }
1736 #ifndef OPENSSL_NO_RSA
1737         if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1))
1738                 {
1739                 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0)
1740                         {
1741                         BIO_puts(err, "Error setting RSA keysize\n");
1742                         ERR_print_errors(err);
1743                         EVP_PKEY_CTX_free(gctx);
1744                         return NULL;
1745                         }
1746                 }
1747 #endif
1748
1749         return gctx;
1750         }
1751
1752 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1753         {
1754         char c='*';
1755         BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1756         int p;
1757         p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1758         if (p == 0) c='.';
1759         if (p == 1) c='+';
1760         if (p == 2) c='*';
1761         if (p == 3) c='\n';
1762         BIO_write(b,&c,1);
1763         (void)BIO_flush(b);
1764 #ifdef LINT
1765         p=n;
1766 #endif
1767         return 1;
1768         }
1769
1770 static int do_sign_init(BIO *err, EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1771                         const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1772         {
1773         EVP_PKEY_CTX *pkctx = NULL;
1774         int i;
1775         EVP_MD_CTX_init(ctx);
1776         if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1777                 return 0;
1778         for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++)
1779                 {
1780                 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1781                 if (pkey_ctrl_string(pkctx, sigopt) <= 0)
1782                         {
1783                         BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1784                         ERR_print_errors(bio_err);
1785                         return 0;
1786                         }
1787                 }
1788         return 1;
1789         }
1790
1791 int do_X509_sign(BIO *err, X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
1792                         STACK_OF(OPENSSL_STRING) *sigopts)
1793         {
1794         int rv;
1795         EVP_MD_CTX mctx;
1796         EVP_MD_CTX_init(&mctx);
1797         rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1798         if (rv > 0)
1799                 rv = X509_sign_ctx(x, &mctx);
1800         EVP_MD_CTX_cleanup(&mctx);
1801         return rv > 0 ? 1 : 0;
1802         }
1803
1804
1805 int do_X509_REQ_sign(BIO *err, X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
1806                         STACK_OF(OPENSSL_STRING) *sigopts)
1807         {
1808         int rv;
1809         EVP_MD_CTX mctx;
1810         EVP_MD_CTX_init(&mctx);
1811         rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1812         if (rv > 0)
1813                 rv = X509_REQ_sign_ctx(x, &mctx);
1814         EVP_MD_CTX_cleanup(&mctx);
1815         return rv > 0 ? 1 : 0;
1816         }
1817                 
1818         
1819
1820 int do_X509_CRL_sign(BIO *err, X509_CRL *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_CRL_sign_ctx(x, &mctx);
1829         EVP_MD_CTX_cleanup(&mctx);
1830         return rv > 0 ? 1 : 0;
1831         }
1832                 
1833