052cae9804d901c9cea3596f41ecba7baead0b7b
[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 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/rand.h>
70 #include <openssl/conf.h>
71 #include <openssl/err.h>
72 #include <openssl/asn1.h>
73 #include <openssl/x509.h>
74 #include <openssl/x509v3.h>
75 #include <openssl/objects.h>
76 #include <openssl/pem.h>
77
78 #define SECTION         "req"
79
80 #define BITS            "default_bits"
81 #define KEYFILE         "default_keyfile"
82 #define DISTINGUISHED_NAME      "distinguished_name"
83 #define ATTRIBUTES      "attributes"
84 #define V3_EXTENSIONS   "x509_extensions"
85
86 #define DEFAULT_KEY_LENGTH      512
87 #define MIN_KEY_LENGTH          384
88
89 #undef PROG
90 #define PROG    req_main
91
92 /* -inform arg  - input format - default PEM (one of DER, TXT or PEM)
93  * -outform arg - output format - default PEM
94  * -in arg      - input file - default stdin
95  * -out arg     - output file - default stdout
96  * -verify      - check request signature
97  * -noout       - don't print stuff out.
98  * -text        - print out human readable text.
99  * -nodes       - no des encryption
100  * -config file - Load configuration file.
101  * -key file    - make a request using key in file (or use it for verification).
102  * -keyform     - key file format.
103  * -newkey      - make a key and a request.
104  * -modulus     - print RSA modulus.
105  * -x509        - output a self signed X509 structure instead.
106  * -asn1-kludge - output new certificate request in a format that some CA's
107  *                require.  This format is wrong
108  */
109
110 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
111 static int add_attribute_object(STACK_OF(X509_ATTRIBUTE) *n, char *text,
112                                 char *def, char *value, int nid, int min,
113                                 int max);
114 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
115         int nid,int min,int max);
116 static void MS_CALLBACK req_cb(int p,int n,char *arg);
117 static int req_fix_data(int nid,int *type,int len,int min,int max);
118 static int check_end(char *str, char *end);
119 static int add_oid_section(LHASH *conf);
120 #ifndef MONOLITH
121 static char *default_config_file=NULL;
122 static LHASH *config=NULL;
123 #endif
124 static LHASH *req_conf=NULL;
125
126 #define TYPE_RSA        1
127 #define TYPE_DSA        2
128 #define TYPE_DH         3
129
130 int MAIN(int argc, char **argv)
131         {
132 #ifndef NO_DSA
133         DSA *dsa_params=NULL;
134 #endif
135         int ex=1,x509=0,days=30;
136         X509 *x509ss=NULL;
137         X509_REQ *req=NULL;
138         EVP_PKEY *pkey=NULL;
139         int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
140         BIO *in=NULL,*out=NULL;
141         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
142         int nodes=0,kludge=0;
143         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
144         char *extensions = NULL;
145         EVP_CIPHER *cipher=NULL;
146         int modulus=0;
147         char *p;
148         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
149 #ifndef MONOLITH
150         MS_STATIC char config_name[256];
151 #endif
152
153 #ifndef NO_DES
154         cipher=EVP_des_ede3_cbc();
155 #endif
156         apps_startup();
157
158         if (bio_err == NULL)
159                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
160                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
161
162         infile=NULL;
163         outfile=NULL;
164         informat=FORMAT_PEM;
165         outformat=FORMAT_PEM;
166
167         prog=argv[0];
168         argc--;
169         argv++;
170         while (argc >= 1)
171                 {
172                 if      (strcmp(*argv,"-inform") == 0)
173                         {
174                         if (--argc < 1) goto bad;
175                         informat=str2fmt(*(++argv));
176                         }
177                 else if (strcmp(*argv,"-outform") == 0)
178                         {
179                         if (--argc < 1) goto bad;
180                         outformat=str2fmt(*(++argv));
181                         }
182                 else if (strcmp(*argv,"-key") == 0)
183                         {
184                         if (--argc < 1) goto bad;
185                         keyfile= *(++argv);
186                         }
187                 else if (strcmp(*argv,"-new") == 0)
188                         {
189                         pkey_type=TYPE_RSA;
190                         newreq=1;
191                         }
192                 else if (strcmp(*argv,"-config") == 0)
193                         {       
194                         if (--argc < 1) goto bad;
195                         template= *(++argv);
196                         }
197                 else if (strcmp(*argv,"-keyform") == 0)
198                         {
199                         if (--argc < 1) goto bad;
200                         keyform=str2fmt(*(++argv));
201                         }
202                 else if (strcmp(*argv,"-in") == 0)
203                         {
204                         if (--argc < 1) goto bad;
205                         infile= *(++argv);
206                         }
207                 else if (strcmp(*argv,"-out") == 0)
208                         {
209                         if (--argc < 1) goto bad;
210                         outfile= *(++argv);
211                         }
212                 else if (strcmp(*argv,"-keyout") == 0)
213                         {
214                         if (--argc < 1) goto bad;
215                         keyout= *(++argv);
216                         }
217                 else if (strcmp(*argv,"-newkey") == 0)
218                         {
219                         int is_numeric;
220
221                         if (--argc < 1) goto bad;
222                         p= *(++argv);
223                         is_numeric = p[0] >= '0' && p[0] <= '9';
224                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
225                                 {
226                                 pkey_type=TYPE_RSA;
227                                 if(!is_numeric)
228                                     p+=4;
229                                 newkey= atoi(p);
230                                 }
231                         else
232 #ifndef NO_DSA
233                                 if (strncmp("dsa:",p,4) == 0)
234                                 {
235                                 X509 *xtmp=NULL;
236                                 EVP_PKEY *dtmp;
237
238                                 pkey_type=TYPE_DSA;
239                                 p+=4;
240                                 if ((in=BIO_new_file(p,"r")) == NULL)
241                                         {
242                                         perror(p);
243                                         goto end;
244                                         }
245                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL)) == NULL)
246                                         {
247                                         ERR_clear_error();
248                                         BIO_reset(in);
249                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL)) == NULL)
250                                                 {
251                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
252                                                 goto end;
253                                                 }
254
255                                         dtmp=X509_get_pubkey(xtmp);
256                                         if (dtmp->type == EVP_PKEY_DSA)
257                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
258                                         EVP_PKEY_free(dtmp);
259                                         X509_free(xtmp);
260                                         if (dsa_params == NULL)
261                                                 {
262                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
263                                                 goto end;
264                                                 }
265                                         }
266                                 BIO_free(in);
267                                 newkey=BN_num_bits(dsa_params->p);
268                                 in=NULL;
269                                 }
270                         else 
271 #endif
272 #ifndef NO_DH
273                                 if (strncmp("dh:",p,4) == 0)
274                                 {
275                                 pkey_type=TYPE_DH;
276                                 p+=3;
277                                 }
278                         else
279 #endif
280                                 pkey_type=TYPE_RSA;
281
282                         newreq=1;
283                         }
284                 else if (strcmp(*argv,"-modulus") == 0)
285                         modulus=1;
286                 else if (strcmp(*argv,"-verify") == 0)
287                         verify=1;
288                 else if (strcmp(*argv,"-nodes") == 0)
289                         nodes=1;
290                 else if (strcmp(*argv,"-noout") == 0)
291                         noout=1;
292                 else if (strcmp(*argv,"-text") == 0)
293                         text=1;
294                 else if (strcmp(*argv,"-x509") == 0)
295                         x509=1;
296                 else if (strcmp(*argv,"-asn1-kludge") == 0)
297                         kludge=1;
298                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
299                         kludge=0;
300                 else if (strcmp(*argv,"-days") == 0)
301                         {
302                         if (--argc < 1) goto bad;
303                         days= atoi(*(++argv));
304                         if (days == 0) days=30;
305                         }
306                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
307                         {
308                         /* ok */
309                         digest=md_alg;
310                         }
311                 else
312
313                         {
314                         BIO_printf(bio_err,"unknown option %s\n",*argv);
315                         badops=1;
316                         break;
317                         }
318                 argc--;
319                 argv++;
320                 }
321
322         if (badops)
323                 {
324 bad:
325                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
326                 BIO_printf(bio_err,"where options  are\n");
327                 BIO_printf(bio_err," -inform arg    input format - one of DER TXT PEM\n");
328                 BIO_printf(bio_err," -outform arg   output format - one of DER TXT PEM\n");
329                 BIO_printf(bio_err," -in arg        input file\n");
330                 BIO_printf(bio_err," -out arg       output file\n");
331                 BIO_printf(bio_err," -text          text form of request\n");
332                 BIO_printf(bio_err," -noout         do not output REQ\n");
333                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
334                 BIO_printf(bio_err," -modulus       RSA modulus\n");
335                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
336                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
337                 BIO_printf(bio_err," -keyform arg   key file format\n");
338                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
339                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
340                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
341
342                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
343                 BIO_printf(bio_err," -config file   request template file.\n");
344                 BIO_printf(bio_err," -new           new request.\n");
345                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
346                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
347                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
348                 BIO_printf(bio_err,"                have been reported as requiring\n");
349                 BIO_printf(bio_err,"                [ It is now always turned on but can be turned off with -no-asn1-kludge ]\n");
350                 goto end;
351                 }
352
353         ERR_load_crypto_strings();
354         X509V3_add_standard_extensions();
355
356 #ifndef MONOLITH
357         /* Lets load up our environment a little */
358         p=getenv("OPENSSL_CONF");
359         if (p == NULL)
360                 p=getenv("SSLEAY_CONF");
361         if (p == NULL)
362                 {
363                 strcpy(config_name,X509_get_default_cert_area());
364 #ifndef VMS
365                 strcat(config_name,"/");
366 #endif
367                 strcat(config_name,OPENSSL_CONF);
368                 p=config_name;
369                 }
370         default_config_file=p;
371         config=CONF_load(config,p,NULL);
372 #endif
373
374         if (template != NULL)
375                 {
376                 long errline;
377
378                 BIO_printf(bio_err,"Using configuration from %s\n",template);
379                 req_conf=CONF_load(NULL,template,&errline);
380                 if (req_conf == NULL)
381                         {
382                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
383                         goto end;
384                         }
385                 }
386         else
387                 {
388                 req_conf=config;
389                 BIO_printf(bio_err,"Using configuration from %s\n",
390                         default_config_file);
391                 if (req_conf == NULL)
392                         {
393                         BIO_printf(bio_err,"Unable to load config info\n");
394                         }
395                 }
396
397         if (req_conf != NULL)
398                 {
399                 p=CONF_get_string(req_conf,NULL,"oid_file");
400                 if (p != NULL)
401                         {
402                         BIO *oid_bio;
403
404                         oid_bio=BIO_new_file(p,"r");
405                         if (oid_bio == NULL) 
406                                 {
407                                 /*
408                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
409                                 ERR_print_errors(bio_err);
410                                 */
411                                 }
412                         else
413                                 {
414                                 OBJ_create_objects(oid_bio);
415                                 BIO_free(oid_bio);
416                                 }
417                         }
418                 }
419                 if(!add_oid_section(req_conf)) goto end;
420
421         if ((md_alg == NULL) &&
422                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
423                 {
424                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
425                         digest=md_alg;
426                 }
427
428         extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
429         if(extensions) {
430                 /* Check syntax of file */
431                 X509V3_CTX ctx;
432                 X509V3_set_ctx_test(&ctx);
433                 X509V3_set_conf_lhash(&ctx, req_conf);
434                 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
435                         BIO_printf(bio_err,
436                          "Error Loading extension section %s\n", extensions);
437                         goto end;
438                 }
439         }
440
441         in=BIO_new(BIO_s_file());
442         out=BIO_new(BIO_s_file());
443         if ((in == NULL) || (out == NULL))
444                 goto end;
445
446         if (keyfile != NULL)
447                 {
448                 if (BIO_read_filename(in,keyfile) <= 0)
449                         {
450                         perror(keyfile);
451                         goto end;
452                         }
453
454 /*              if (keyform == FORMAT_ASN1)
455                         rsa=d2i_RSAPrivateKey_bio(in,NULL);
456                 else */
457                 if (keyform == FORMAT_PEM)
458                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL);
459                 else
460                         {
461                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
462                         goto end;
463                         }
464
465                 if (pkey == NULL)
466                         {
467                         BIO_printf(bio_err,"unable to load Private key\n");
468                         goto end;
469                         }
470                 }
471
472         if (newreq && (pkey == NULL))
473                 {
474                 char *randfile;
475                 char buffer[200];
476
477                 if ((randfile=CONF_get_string(req_conf,SECTION,"RANDFILE")) == NULL)
478                         randfile=RAND_file_name(buffer,200);
479 #ifdef WINDOWS
480                 BIO_printf(bio_err,"Loading 'screen' into random state -");
481                 BIO_flush(bio_err);
482                 RAND_screen();
483                 BIO_printf(bio_err," done\n");
484 #endif
485                 if ((randfile == NULL) || !RAND_load_file(randfile,1024L*1024L))
486                         {
487                         BIO_printf(bio_err,"unable to load 'random state'\n");
488                         BIO_printf(bio_err,"What this means is that the random number generator has not been seeded\n");
489                         BIO_printf(bio_err,"with much random data.\n");
490                         BIO_printf(bio_err,"Consider setting the RANDFILE environment variable to point at a file that\n");
491                         BIO_printf(bio_err,"'random' data can be kept in.\n");
492                         }
493                 if (newkey <= 0)
494                         {
495                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
496                         if (newkey <= 0)
497                                 newkey=DEFAULT_KEY_LENGTH;
498                         }
499
500                 if (newkey < MIN_KEY_LENGTH)
501                         {
502                         BIO_printf(bio_err,"private key length is too short,\n");
503                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
504                         goto end;
505                         }
506                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
507                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
508
509                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
510
511 #ifndef NO_RSA
512                 if (pkey_type == TYPE_RSA)
513                         {
514                         if (!EVP_PKEY_assign_RSA(pkey,
515                                 RSA_generate_key(newkey,0x10001,
516                                         req_cb,(char *)bio_err)))
517                                 goto end;
518                         }
519                 else
520 #endif
521 #ifndef NO_DSA
522                         if (pkey_type == TYPE_DSA)
523                         {
524                         if (!DSA_generate_key(dsa_params)) goto end;
525                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
526                         dsa_params=NULL;
527                         }
528 #endif
529
530                 if ((randfile == NULL) || (RAND_write_file(randfile) == 0))
531                         BIO_printf(bio_err,"unable to write 'random state'\n");
532
533                 if (pkey == NULL) goto end;
534
535                 if (keyout == NULL)
536                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
537
538                 if (keyout == NULL)
539                         {
540                         BIO_printf(bio_err,"writing new private key to stdout\n");
541                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
542                         }
543                 else
544                         {
545                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
546                         if (BIO_write_filename(out,keyout) <= 0)
547                                 {
548                                 perror(keyout);
549                                 goto end;
550                                 }
551                         }
552
553                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
554                 if (p == NULL)
555                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
556                 if ((p != NULL) && (strcmp(p,"no") == 0))
557                         cipher=NULL;
558                 if (nodes) cipher=NULL;
559                 
560                 i=0;
561 loop:
562                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
563                         NULL,0,NULL))
564                         {
565                         if ((ERR_GET_REASON(ERR_peek_error()) ==
566                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
567                                 {
568                                 ERR_clear_error();
569                                 i++;
570                                 goto loop;
571                                 }
572                         goto end;
573                         }
574                 BIO_printf(bio_err,"-----\n");
575                 }
576
577         if (!newreq)
578                 {
579                 /* Since we are using a pre-existing certificate
580                  * request, the kludge 'format' info should not be
581                  * changed. */
582                 kludge= -1;
583                 if (infile == NULL)
584                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
585                 else
586                         {
587                         if (BIO_read_filename(in,infile) <= 0)
588                                 {
589                                 perror(infile);
590                                 goto end;
591                                 }
592                         }
593
594                 if      (informat == FORMAT_ASN1)
595                         req=d2i_X509_REQ_bio(in,NULL);
596                 else if (informat == FORMAT_PEM)
597                         req=PEM_read_bio_X509_REQ(in,NULL,NULL);
598                 else
599                         {
600                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
601                         goto end;
602                         }
603                 if (req == NULL)
604                         {
605                         BIO_printf(bio_err,"unable to load X509 request\n");
606                         goto end;
607                         }
608                 }
609
610         if (newreq || x509)
611                 {
612 #ifndef NO_DSA
613                 if (pkey->type == EVP_PKEY_DSA)
614                         digest=EVP_dss1();
615 #endif
616
617                 if (pkey == NULL)
618                         {
619                         BIO_printf(bio_err,"you need to specify a private key\n");
620                         goto end;
621                         }
622                 if (req == NULL)
623                         {
624                         req=X509_REQ_new();
625                         if (req == NULL)
626                                 {
627                                 goto end;
628                                 }
629
630                         i=make_REQ(req,pkey,!x509);
631                         if (kludge >= 0)
632                                 req->req_info->req_kludge=kludge;
633                         if (!i)
634                                 {
635                                 BIO_printf(bio_err,"problems making Certificate Request\n");
636                                 goto end;
637                                 }
638                         }
639                 if (x509)
640                         {
641                         EVP_PKEY *tmppkey;
642                         X509V3_CTX ext_ctx;
643                         if ((x509ss=X509_new()) == NULL) goto end;
644
645                         /* Set version to V3 */
646                         if(!X509_set_version(x509ss, 2)) goto end;
647                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
648
649                         X509_set_issuer_name(x509ss,
650                                 X509_REQ_get_subject_name(req));
651                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
652                         X509_gmtime_adj(X509_get_notAfter(x509ss),
653                                 (long)60*60*24*days);
654                         X509_set_subject_name(x509ss,
655                                 X509_REQ_get_subject_name(req));
656                         tmppkey = X509_REQ_get_pubkey(req);
657                         X509_set_pubkey(x509ss,tmppkey);
658                         EVP_PKEY_free(tmppkey);
659
660                         /* Set up V3 context struct */
661
662                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
663                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
664
665                         /* Add extensions */
666                         if(extensions && !X509V3_EXT_add_conf(req_conf, 
667                                         &ext_ctx, extensions, x509ss))
668                             {
669                             BIO_printf(bio_err,
670                                        "Error Loading extension section %s\n",
671                                        extensions);
672                             goto end;
673                             }
674
675                         if (!(i=X509_sign(x509ss,pkey,digest)))
676                                 goto end;
677                         }
678                 else
679                         {
680                         if (!(i=X509_REQ_sign(req,pkey,digest)))
681                                 goto end;
682                         }
683                 }
684
685         if (verify && !x509)
686                 {
687                 int tmp=0;
688
689                 if (pkey == NULL)
690                         {
691                         pkey=X509_REQ_get_pubkey(req);
692                         tmp=1;
693                         if (pkey == NULL) goto end;
694                         }
695
696                 i=X509_REQ_verify(req,pkey);
697                 if (tmp) {
698                         EVP_PKEY_free(pkey);
699                         pkey=NULL;
700                 }
701
702                 if (i < 0)
703                         {
704                         goto end;
705                         }
706                 else if (i == 0)
707                         {
708                         BIO_printf(bio_err,"verify failure\n");
709                         }
710                 else /* if (i > 0) */
711                         BIO_printf(bio_err,"verify OK\n");
712                 }
713
714         if (noout && !text && !modulus)
715                 {
716                 ex=0;
717                 goto end;
718                 }
719
720         if (outfile == NULL)
721                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
722         else
723                 {
724                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
725                         i=(int)BIO_append_filename(out,outfile);
726                 else
727                         i=(int)BIO_write_filename(out,outfile);
728                 if (!i)
729                         {
730                         perror(outfile);
731                         goto end;
732                         }
733                 }
734
735         if (text)
736                 {
737                 if (x509)
738                         X509_print(out,x509ss);
739                 else    
740                         X509_REQ_print(out,req);
741                 }
742
743         if (modulus)
744                 {
745                 EVP_PKEY *pubkey;
746
747                 if (x509)
748                         pubkey=X509_get_pubkey(x509ss);
749                 else
750                         pubkey=X509_REQ_get_pubkey(req);
751                 if (pubkey == NULL)
752                         {
753                         fprintf(stdout,"Modulus=unavailable\n");
754                         goto end; 
755                         }
756                 fprintf(stdout,"Modulus=");
757 #ifndef NO_RSA
758                 if (pubkey->type == EVP_PKEY_RSA)
759                         BN_print(out,pubkey->pkey.rsa->n);
760                 else
761 #endif
762                         fprintf(stdout,"Wrong Algorithm type");
763                 fprintf(stdout,"\n");
764                 }
765
766         if (!noout && !x509)
767                 {
768                 if      (outformat == FORMAT_ASN1)
769                         i=i2d_X509_REQ_bio(out,req);
770                 else if (outformat == FORMAT_PEM)
771                         i=PEM_write_bio_X509_REQ(out,req);
772                 else    {
773                         BIO_printf(bio_err,"bad output format specified for outfile\n");
774                         goto end;
775                         }
776                 if (!i)
777                         {
778                         BIO_printf(bio_err,"unable to write X509 request\n");
779                         goto end;
780                         }
781                 }
782         if (!noout && x509 && (x509ss != NULL))
783                 {
784                 if      (outformat == FORMAT_ASN1)
785                         i=i2d_X509_bio(out,x509ss);
786                 else if (outformat == FORMAT_PEM)
787                         i=PEM_write_bio_X509(out,x509ss);
788                 else    {
789                         BIO_printf(bio_err,"bad output format specified for outfile\n");
790                         goto end;
791                         }
792                 if (!i)
793                         {
794                         BIO_printf(bio_err,"unable to write X509 certificate\n");
795                         goto end;
796                         }
797                 }
798         ex=0;
799 end:
800         if (ex)
801                 {
802                 ERR_print_errors(bio_err);
803                 }
804         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
805         BIO_free(in);
806         BIO_free(out);
807         EVP_PKEY_free(pkey);
808         X509_REQ_free(req);
809         X509_free(x509ss);
810         X509V3_EXT_cleanup();
811         OBJ_cleanup();
812 #ifndef NO_DSA
813         if (dsa_params != NULL) DSA_free(dsa_params);
814 #endif
815         EXIT(ex);
816         }
817
818 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
819         {
820         int ret=0,i;
821         char *p,*q;
822         X509_REQ_INFO *ri;
823         char buf[100];
824         int nid,min,max;
825         char *type,*def,*tmp,*value,*tmp_attr;
826         STACK *sk,*attr=NULL;
827         CONF_VALUE *v;
828         
829         tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
830         if (tmp == NULL)
831                 {
832                 BIO_printf(bio_err,"unable to find '%s' in config\n",
833                         DISTINGUISHED_NAME);
834                 goto err;
835                 }
836         sk=CONF_get_section(req_conf,tmp);
837         if (sk == NULL)
838                 {
839                 BIO_printf(bio_err,"unable to get '%s' section\n",tmp);
840                 goto err;
841                 }
842
843         tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
844         if (tmp_attr == NULL)
845                 attr=NULL;
846         else
847                 {
848                 attr=CONF_get_section(req_conf,tmp_attr);
849                 if (attr == NULL)
850                         {
851                         BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr);
852                         goto err;
853                         }
854                 }
855
856         ri=req->req_info;
857
858         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
859         BIO_printf(bio_err,"into your certificate request.\n");
860         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
861         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
862         BIO_printf(bio_err,"For some fields there will be a default value,\n");
863         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
864         BIO_printf(bio_err,"-----\n");
865
866         /* setup version number */
867         if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */
868
869         if (sk_num(sk))
870                 {
871                 i= -1;
872 start:          for (;;)
873                         {
874                         i++;
875                         if ((int)sk_num(sk) <= i) break;
876
877                         v=(CONF_VALUE *)sk_value(sk,i);
878                         p=q=NULL;
879                         type=v->name;
880                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
881                                 !check_end(type,"_default") ||
882                                          !check_end(type,"_value")) continue;
883                         /* Skip past any leading X. X: X, etc to allow for
884                          * multiple instances 
885                          */
886                         for(p = v->name; *p ; p++) 
887                                 if ((*p == ':') || (*p == ',') ||
888                                                          (*p == '.')) {
889                                         p++;
890                                         if(*p) type = p;
891                                         break;
892                                 }
893                         /* If OBJ not recognised ignore it */
894                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
895                         sprintf(buf,"%s_default",v->name);
896                         if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL)
897                                 def="";
898                                 
899                         sprintf(buf,"%s_value",v->name);
900                         if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
901                                 value=NULL;
902
903                         sprintf(buf,"%s_min",v->name);
904                         min=(int)CONF_get_number(req_conf,tmp,buf);
905
906                         sprintf(buf,"%s_max",v->name);
907                         max=(int)CONF_get_number(req_conf,tmp,buf);
908
909                         if (!add_DN_object(ri->subject,v->value,def,value,nid,
910                                 min,max))
911                                 goto err;
912                         }
913                 if (sk_X509_NAME_ENTRY_num(ri->subject->entries) == 0)
914                         {
915                         BIO_printf(bio_err,"error, no objects specified in config file\n");
916                         goto err;
917                         }
918
919                 if (attribs)
920                         {
921                         if ((attr != NULL) && (sk_num(attr) > 0))
922                                 {
923                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
924                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
925                                 }
926
927                         i= -1;
928 start2:                 for (;;)
929                                 {
930                                 i++;
931                                 if ((attr == NULL) || ((int)sk_num(attr) <= i))
932                                         break;
933
934                                 v=(CONF_VALUE *)sk_value(attr,i);
935                                 type=v->name;
936                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
937                                         goto start2;
938
939                                 sprintf(buf,"%s_default",type);
940                                 if ((def=CONF_get_string(req_conf,tmp_attr,buf))
941                                         == NULL)
942                                         def="";
943                                 
944                                 sprintf(buf,"%s_value",type);
945                                 if ((value=CONF_get_string(req_conf,tmp_attr,buf))
946                                         == NULL)
947                                         value=NULL;
948
949                                 sprintf(buf,"%s_min",type);
950                                 min=(int)CONF_get_number(req_conf,tmp_attr,buf);
951
952                                 sprintf(buf,"%s_max",type);
953                                 max=(int)CONF_get_number(req_conf,tmp_attr,buf);
954
955                                 if (!add_attribute_object(ri->attributes,
956                                         v->value,def,value,nid,min,max))
957                                         goto err;
958                                 }
959                         }
960                 }
961         else
962                 {
963                 BIO_printf(bio_err,"No template, please set one up.\n");
964                 goto err;
965                 }
966
967         X509_REQ_set_pubkey(req,pkey);
968
969         ret=1;
970 err:
971         return(ret);
972         }
973
974 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
975              int nid, int min, int max)
976         {
977         int i,j,ret=0;
978         X509_NAME_ENTRY *ne=NULL;
979         MS_STATIC char buf[1024];
980
981         BIO_printf(bio_err,"%s [%s]:",text,def);
982         BIO_flush(bio_err);
983         if (value != NULL)
984                 {
985                 strcpy(buf,value);
986                 strcat(buf,"\n");
987                 BIO_printf(bio_err,"%s\n",value);
988                 }
989         else
990                 {
991                 buf[0]='\0';
992                 fgets(buf,1024,stdin);
993                 }
994
995         if (buf[0] == '\0') return(0);
996         else if (buf[0] == '\n')
997                 {
998                 if ((def == NULL) || (def[0] == '\0'))
999                         return(1);
1000                 strcpy(buf,def);
1001                 strcat(buf,"\n");
1002                 }
1003         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1004
1005         i=strlen(buf);
1006         if (buf[i-1] != '\n')
1007                 {
1008                 BIO_printf(bio_err,"weird input :-(\n");
1009                 return(0);
1010                 }
1011         buf[--i]='\0';
1012
1013         j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1014         if (req_fix_data(nid,&j,i,min,max) == 0)
1015                 goto err;
1016         if ((ne=X509_NAME_ENTRY_create_by_NID(NULL,nid,j,(unsigned char *)buf,
1017                 strlen(buf)))
1018                 == NULL) goto err;
1019         if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
1020                 goto err;
1021
1022         ret=1;
1023 err:
1024         if (ne != NULL) X509_NAME_ENTRY_free(ne);
1025         return(ret);
1026         }
1027
1028 static int add_attribute_object(STACK_OF(X509_ATTRIBUTE) *n, char *text,
1029                                 char *def, char *value, int nid, int min,
1030                                 int max)
1031         {
1032         int i,z;
1033         X509_ATTRIBUTE *xa=NULL;
1034         static char buf[1024];
1035         ASN1_BIT_STRING *bs=NULL;
1036         ASN1_TYPE *at=NULL;
1037
1038 start:
1039         BIO_printf(bio_err,"%s [%s]:",text,def);
1040         BIO_flush(bio_err);
1041         if (value != NULL)
1042                 {
1043                 strcpy(buf,value);
1044                 strcat(buf,"\n");
1045                 BIO_printf(bio_err,"%s\n",value);
1046                 }
1047         else
1048                 {
1049                 buf[0]='\0';
1050                 fgets(buf,1024,stdin);
1051                 }
1052
1053         if (buf[0] == '\0') return(0);
1054         else if (buf[0] == '\n')
1055                 {
1056                 if ((def == NULL) || (def[0] == '\0'))
1057                         return(1);
1058                 strcpy(buf,def);
1059                 strcat(buf,"\n");
1060                 }
1061         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1062
1063         i=strlen(buf);
1064         if (buf[i-1] != '\n')
1065                 {
1066                 BIO_printf(bio_err,"weird input :-(\n");
1067                 return(0);
1068                 }
1069         buf[--i]='\0';
1070
1071         /* add object plus value */
1072         if ((xa=X509_ATTRIBUTE_new()) == NULL)
1073                 goto err;
1074         if ((xa->value.set=sk_ASN1_TYPE_new_null()) == NULL)
1075                 goto err;
1076         xa->set=1;
1077
1078         if (xa->object != NULL) ASN1_OBJECT_free(xa->object);
1079         xa->object=OBJ_nid2obj(nid);
1080
1081         if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err;
1082
1083         bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1084
1085         z=req_fix_data(nid,&bs->type,i,min,max);
1086         if (z == 0)
1087                 {
1088                 if (value == NULL)
1089                         goto start;
1090                 else    goto err;
1091                 }
1092
1093         if (!ASN1_STRING_set(bs,(unsigned char *)buf,i+1))
1094                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1095
1096         if ((at=ASN1_TYPE_new()) == NULL)
1097                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1098
1099         ASN1_TYPE_set(at,bs->type,(char *)bs);
1100         sk_ASN1_TYPE_push(xa->value.set,at);
1101         bs=NULL;
1102         at=NULL;
1103         /* only one item per attribute */
1104
1105         if (!sk_X509_ATTRIBUTE_push(n,xa)) goto err;
1106         return(1);
1107 err:
1108         if (xa != NULL) X509_ATTRIBUTE_free(xa);
1109         if (at != NULL) ASN1_TYPE_free(at);
1110         if (bs != NULL) ASN1_BIT_STRING_free(bs);
1111         return(0);
1112         }
1113
1114 static void MS_CALLBACK req_cb(int p, int n, char *arg)
1115         {
1116         char c='*';
1117
1118         if (p == 0) c='.';
1119         if (p == 1) c='+';
1120         if (p == 2) c='*';
1121         if (p == 3) c='\n';
1122         BIO_write((BIO *)arg,&c,1);
1123         BIO_flush((BIO *)arg);
1124 #ifdef LINT
1125         p=n;
1126 #endif
1127         }
1128
1129 static int req_fix_data(int nid, int *type, int len, int min, int max)
1130         {
1131         if (nid == NID_pkcs9_emailAddress)
1132                 *type=V_ASN1_IA5STRING;
1133         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1134                 *type=V_ASN1_T61STRING;
1135         if ((nid == NID_pkcs9_challengePassword) &&
1136                 (*type == V_ASN1_IA5STRING))
1137                 *type=V_ASN1_T61STRING;
1138
1139         if ((nid == NID_pkcs9_unstructuredName) &&
1140                 (*type == V_ASN1_T61STRING))
1141                 {
1142                 BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
1143                 return(0);
1144                 }
1145         if (nid == NID_pkcs9_unstructuredName)
1146                 *type=V_ASN1_IA5STRING;
1147
1148         if (len < min)
1149                 {
1150                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1151                 return(0);
1152                 }
1153         if ((max != 0) && (len > max))
1154                 {
1155                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1156                 return(0);
1157                 }
1158         return(1);
1159         }
1160
1161 /* Check if the end of a string matches 'end' */
1162 static int check_end(char *str, char *end)
1163 {
1164         int elen, slen; 
1165         char *tmp;
1166         elen = strlen(end);
1167         slen = strlen(str);
1168         if(elen > slen) return 1;
1169         tmp = str + slen - elen;
1170         return strcmp(tmp, end);
1171 }
1172
1173 static int add_oid_section(LHASH *conf)
1174 {       
1175         char *p;
1176         STACK *sktmp;
1177         CONF_VALUE *cnf;
1178         int i;
1179         if(!(p=CONF_get_string(conf,NULL,"oid_section"))) return 1;
1180         if(!(sktmp = CONF_get_section(conf, p))) {
1181                 BIO_printf(bio_err, "problem loading oid section %s\n", p);
1182                 return 0;
1183         }
1184         for(i = 0; i < sk_num(sktmp); i++) {
1185                 cnf = (CONF_VALUE *)sk_value(sktmp, i);
1186                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
1187                         BIO_printf(bio_err, "problem creating object %s=%s\n",
1188                                                          cnf->name, cnf->value);
1189                         return 0;
1190                 }
1191         }
1192         return 1;
1193 }