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