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