Import of old SSLeay release: SSLeay 0.9.1b (unreleased)
[openssl.git] / apps / ca.c
1 /* apps/ca.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 /* The PPKI stuff has been donated by Jeff Barber <jeffb@issl.atl.hp.com> */
60
61 #include <stdio.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include <sys/types.h>
65 #include <sys/stat.h>
66 #include "apps.h"
67 #include "bio.h"
68 #include "err.h"
69 #include "bn.h"
70 #include "txt_db.h"
71 #include "evp.h"
72 #include "x509.h"
73 #include "objects.h"
74 #include "pem.h"
75 #include "conf.h"
76
77 #ifndef W_OK
78 #include <sys/file.h>
79 #endif
80
81 #undef PROG
82 #define PROG ca_main
83
84 #define BASE_SECTION    "ca"
85 #define CONFIG_FILE "lib/ssleay.cnf"
86
87 #define ENV_DEFAULT_CA          "default_ca"
88
89 #define ENV_DIR                 "dir"
90 #define ENV_CERTS               "certs"
91 #define ENV_CRL_DIR             "crl_dir"
92 #define ENV_CA_DB               "CA_DB"
93 #define ENV_NEW_CERTS_DIR       "new_certs_dir"
94 #define ENV_CERTIFICATE         "certificate"
95 #define ENV_SERIAL              "serial"
96 #define ENV_CRL                 "crl"
97 #define ENV_PRIVATE_KEY         "private_key"
98 #define ENV_RANDFILE            "RANDFILE"
99 #define ENV_DEFAULT_DAYS        "default_days"
100 #define ENV_DEFAULT_STARTDATE   "default_startdate"
101 #define ENV_DEFAULT_CRL_DAYS    "default_crl_days"
102 #define ENV_DEFAULT_CRL_HOURS   "default_crl_hours"
103 #define ENV_DEFAULT_MD          "default_md"
104 #define ENV_PRESERVE            "preserve"
105 #define ENV_POLICY              "policy"
106 #define ENV_EXTENSIONS          "x509_extensions"
107 #define ENV_MSIE_HACK           "msie_hack"
108
109 #define ENV_DATABASE            "database"
110
111 #define DB_type         0
112 #define DB_exp_date     1
113 #define DB_rev_date     2
114 #define DB_serial       3       /* index - unique */
115 #define DB_file         4       
116 #define DB_name         5       /* index - unique for active */
117 #define DB_NUMBER       6
118
119 #define DB_TYPE_REV     'R'
120 #define DB_TYPE_EXP     'E'
121 #define DB_TYPE_VAL     'V'
122
123 static char *ca_usage[]={
124 "usage: ca args\n",
125 "\n",
126 " -verbose        - Talk alot while doing things\n",
127 " -config file    - A config file\n",
128 " -name arg       - The particular CA definition to use\n",
129 " -gencrl         - Generate a new CRL\n",
130 " -crldays days   - Days is when the next CRL is due\n",
131 " -crlhours hours - Hours is when the next CRL is due\n",
132 " -days arg       - number of days to certify the certificate for\n",
133 " -md arg         - md to use, one of md2, md5, sha or sha1\n",
134 " -policy arg     - The CA 'policy' to support\n",
135 " -keyfile arg    - PEM private key file\n",
136 " -key arg        - key to decode the private key if it is encrypted\n",
137 " -cert           - The CA certificate\n",
138 " -in file        - The input PEM encoded certificate request(s)\n",
139 " -out file       - Where to put the output file(s)\n",
140 " -outdir dir     - Where to put output certificates\n",
141 " -infiles ....   - The last argument, requests to process\n",
142 " -spkac file     - File contains DN and signed public key and challenge\n",
143 " -ss_cert file   - File contains a self signed cert to sign\n",
144 " -preserveDN     - Don't re-order the DN\n",
145 " -batch          - Don't ask questions\n",
146 " -msie_hack      - msie modifications to handle all thos universal strings\n",
147 NULL
148 };
149
150 #ifdef EFENCE
151 extern int EF_PROTECT_FREE;
152 extern int EF_PROTECT_BELOW;
153 extern int EF_ALIGNMENT;
154 #endif
155
156 #ifndef NOPROTO
157 static STACK *load_extensions(char *section);
158 static void lookup_fail(char *name,char *tag);
159 static int MS_CALLBACK key_callback(char *buf,int len,int verify);
160 static unsigned long index_serial_hash(char **a);
161 static int index_serial_cmp(char **a, char **b);
162 static unsigned long index_name_hash(char **a);
163 static int index_name_qual(char **a);
164 static int index_name_cmp(char **a,char **b);
165 static BIGNUM *load_serial(char *serialfile);
166 static int save_serial(char *serialfile, BIGNUM *serial);
167 static int certify(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
168         EVP_MD *dgst,STACK *policy,TXT_DB *db,BIGNUM *serial,char *startdate,
169         int days, int batch, STACK *extensions,int verbose);
170 static int certify_cert(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
171         EVP_MD *dgst,STACK *policy,TXT_DB *db,BIGNUM *serial,char *startdate,
172         int days,int batch,STACK *extensions,int verbose);
173 static int certify_spkac(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
174         EVP_MD *dgst,STACK *policy,TXT_DB *db,BIGNUM *serial,char *startdate,
175         int days,STACK *extensions,int verbose);
176 static int fix_data(int nid, int *type);
177 static void write_new_certificate(BIO *bp, X509 *x, int output_der);
178 static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, EVP_MD *dgst,
179         STACK *policy, TXT_DB *db, BIGNUM *serial, char *startdate,
180         int days, int batch, int verbose, X509_REQ *req, STACK *extensions);
181 static int check_time_format(char *str);
182 #else
183 static STACK *load_extensions();
184 static void lookup_fail();
185 static int MS_CALLBACK key_callback();
186 static unsigned long index_serial_hash();
187 static int index_serial_cmp();
188 static unsigned long index_name_hash();
189 static int index_name_qual();
190 static int index_name_cmp();
191 static int fix_data();
192 static BIGNUM *load_serial();
193 static int save_serial();
194 static int certify();
195 static int certify_cert();
196 static int certify_spkac();
197 static void write_new_certificate();
198 static int do_body();
199 static int check_time_format();
200 #endif
201
202 static LHASH *conf;
203 static char *key=NULL;
204 static char *section=NULL;
205
206 static int preserve=0;
207 static int msie_hack=0;
208
209 int MAIN(argc, argv)
210 int argc;
211 char **argv;
212         {
213         int total=0;
214         int total_done=0;
215         int badops=0;
216         int ret=1;
217         int req=0;
218         int verbose=0;
219         int gencrl=0;
220         long crldays=0;
221         long crlhours=0;
222         long errorline= -1;
223         char *configfile=NULL;
224         char *md=NULL;
225         char *policy=NULL;
226         char *keyfile=NULL;
227         char *certfile=NULL;
228         char *infile=NULL;
229         char *spkac_file=NULL;
230         char *ss_cert_file=NULL;
231         EVP_PKEY *pkey=NULL;
232         int output_der = 0;
233         char *outfile=NULL;
234         char *outdir=NULL;
235         char *serialfile=NULL;
236         char *extensions=NULL;
237         BIGNUM *serial=NULL;
238         char *startdate=NULL;
239         int days=0;
240         int batch=0;
241         X509 *x509=NULL;
242         X509 *x=NULL;
243         BIO *in=NULL,*out=NULL,*Sout=NULL,*Cout=NULL;
244         char *dbfile=NULL;
245         TXT_DB *db=NULL;
246         X509_CRL *crl=NULL;
247         X509_CRL_INFO *ci=NULL;
248         X509_REVOKED *r=NULL;
249         char **pp,*p,*f;
250         int i,j;
251         long l;
252         EVP_MD *dgst=NULL;
253         STACK *attribs=NULL;
254         STACK *extensions_sk=NULL;
255         STACK *cert_sk=NULL;
256         BIO *hex=NULL;
257 #undef BSIZE
258 #define BSIZE 256
259         MS_STATIC char buf[3][BSIZE];
260
261 #ifdef EFENCE
262 EF_PROTECT_FREE=1;
263 EF_PROTECT_BELOW=1;
264 EF_ALIGNMENT=0;
265 #endif
266
267         apps_startup();
268
269         X509v3_add_netscape_extensions();
270
271         preserve=0;
272         if (bio_err == NULL)
273                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
274                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
275
276         argc--;
277         argv++;
278         while (argc >= 1)
279                 {
280                 if      (strcmp(*argv,"-verbose") == 0)
281                         verbose=1;
282                 else if (strcmp(*argv,"-config") == 0)
283                         {
284                         if (--argc < 1) goto bad;
285                         configfile= *(++argv);
286                         }
287                 else if (strcmp(*argv,"-name") == 0)
288                         {
289                         if (--argc < 1) goto bad;
290                         section= *(++argv);
291                         }
292                 else if (strcmp(*argv,"-startdate") == 0)
293                         {
294                         if (--argc < 1) goto bad;
295                         startdate= *(++argv);
296                         }
297                 else if (strcmp(*argv,"-days") == 0)
298                         {
299                         if (--argc < 1) goto bad;
300                         days=atoi(*(++argv));
301                         }
302                 else if (strcmp(*argv,"-md") == 0)
303                         {
304                         if (--argc < 1) goto bad;
305                         md= *(++argv);
306                         }
307                 else if (strcmp(*argv,"-policy") == 0)
308                         {
309                         if (--argc < 1) goto bad;
310                         policy= *(++argv);
311                         }
312                 else if (strcmp(*argv,"-keyfile") == 0)
313                         {
314                         if (--argc < 1) goto bad;
315                         keyfile= *(++argv);
316                         }
317                 else if (strcmp(*argv,"-key") == 0)
318                         {
319                         if (--argc < 1) goto bad;
320                         key= *(++argv);
321                         }
322                 else if (strcmp(*argv,"-cert") == 0)
323                         {
324                         if (--argc < 1) goto bad;
325                         certfile= *(++argv);
326                         }
327                 else if (strcmp(*argv,"-in") == 0)
328                         {
329                         if (--argc < 1) goto bad;
330                         infile= *(++argv);
331                         req=1;
332                         }
333                 else if (strcmp(*argv,"-out") == 0)
334                         {
335                         if (--argc < 1) goto bad;
336                         outfile= *(++argv);
337                         }
338                 else if (strcmp(*argv,"-outdir") == 0)
339                         {
340                         if (--argc < 1) goto bad;
341                         outdir= *(++argv);
342                         }
343                 else if (strcmp(*argv,"-batch") == 0)
344                         batch=1;
345                 else if (strcmp(*argv,"-preserveDN") == 0)
346                         preserve=1;
347                 else if (strcmp(*argv,"-gencrl") == 0)
348                         gencrl=1;
349                 else if (strcmp(*argv,"-msie_hack") == 0)
350                         msie_hack=1;
351                 else if (strcmp(*argv,"-crldays") == 0)
352                         {
353                         if (--argc < 1) goto bad;
354                         crldays= atol(*(++argv));
355                         }
356                 else if (strcmp(*argv,"-crlhours") == 0)
357                         {
358                         if (--argc < 1) goto bad;
359                         crlhours= atol(*(++argv));
360                         }
361                 else if (strcmp(*argv,"-infiles") == 0)
362                         {
363                         argc--;
364                         argv++;
365                         req=1;
366                         break;
367                         }
368                 else if (strcmp(*argv, "-ss_cert") == 0)
369                         {
370                         if (--argc < 1) goto bad;
371                         ss_cert_file = *(++argv);
372                         req=1;
373                         }
374                 else if (strcmp(*argv, "-spkac") == 0)
375                         {
376                         if (--argc < 1) goto bad;
377                         spkac_file = *(++argv);
378                         req=1;
379                         }
380                 else
381                         {
382 bad:
383                         BIO_printf(bio_err,"unknown option %s\n",*argv);
384                         badops=1;
385                         break;
386                         }
387                 argc--;
388                 argv++;
389                 }
390
391         if (badops)
392                 {
393                 for (pp=ca_usage; (*pp != NULL); pp++)
394                         BIO_printf(bio_err,*pp);
395                 goto err;
396                 }
397
398         ERR_load_crypto_strings();
399
400         /*****************************************************************/
401         if (configfile == NULL)
402                 {
403                 /* We will just use 'buf[0]' as a temporary buffer.  */
404                 strncpy(buf[0],X509_get_default_cert_area(),
405                         sizeof(buf[0])-2-sizeof(CONFIG_FILE));
406                 strcat(buf[0],"/");
407                 strcat(buf[0],CONFIG_FILE);
408                 configfile=buf[0];
409                 }
410
411         BIO_printf(bio_err,"Using configuration from %s\n",configfile);
412         if ((conf=CONF_load(NULL,configfile,&errorline)) == NULL)
413                 {
414                 if (errorline <= 0)
415                         BIO_printf(bio_err,"error loading the config file '%s'\n",
416                                 configfile);
417                 else
418                         BIO_printf(bio_err,"error on line %ld of config file '%s'\n"
419                                 ,errorline,configfile);
420                 goto err;
421                 }
422
423         /* Lets get the config section we are using */
424         if (section == NULL)
425                 {
426                 section=CONF_get_string(conf,BASE_SECTION,ENV_DEFAULT_CA);
427                 if (section == NULL)
428                         {
429                         lookup_fail(BASE_SECTION,ENV_DEFAULT_CA);
430                         goto err;
431                         }
432                 }
433
434         if (conf != NULL)
435                 {
436                 p=CONF_get_string(conf,NULL,"oid_file");
437                 if (p != NULL)
438                         {
439                         BIO *oid_bio;
440
441                         oid_bio=BIO_new_file(p,"r");
442                         if (oid_bio == NULL) 
443                                 {
444                                 /*
445                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
446                                 ERR_print_errors(bio_err);
447                                 */
448                                 }
449                         else
450                                 {
451                                 OBJ_create_objects(oid_bio);
452                                 BIO_free(oid_bio);
453                                 }
454                         }
455                 }
456
457         in=BIO_new(BIO_s_file());
458         out=BIO_new(BIO_s_file());
459         Sout=BIO_new(BIO_s_file());
460         Cout=BIO_new(BIO_s_file());
461         if ((in == NULL) || (out == NULL) || (Sout == NULL) || (Cout == NULL))
462                 {
463                 ERR_print_errors(bio_err);
464                 goto err;
465                 }
466
467         /*****************************************************************/
468         /* we definitly need an public key, so lets get it */
469
470         if ((keyfile == NULL) && ((keyfile=CONF_get_string(conf,
471                 section,ENV_PRIVATE_KEY)) == NULL))
472                 {
473                 lookup_fail(section,ENV_PRIVATE_KEY);
474                 goto err;
475                 }
476         if (BIO_read_filename(in,keyfile) <= 0)
477                 {
478                 perror(keyfile);
479                 BIO_printf(bio_err,"trying to load CA private key\n");
480                 goto err;
481                 }
482         if (key == NULL)
483                 pkey=PEM_read_bio_PrivateKey(in,NULL,NULL);
484         else
485                 {
486                 pkey=PEM_read_bio_PrivateKey(in,NULL,key_callback);
487                 memset(key,0,strlen(key));
488                 }
489         if (pkey == NULL)
490                 {
491                 BIO_printf(bio_err,"unable to load CA private key\n");
492                 goto err;
493                 }
494
495         /*****************************************************************/
496         /* we need a certificate */
497         if ((certfile == NULL) && ((certfile=CONF_get_string(conf,
498                 section,ENV_CERTIFICATE)) == NULL))
499                 {
500                 lookup_fail(section,ENV_CERTIFICATE);
501                 goto err;
502                 }
503         if (BIO_read_filename(in,certfile) <= 0)
504                 {
505                 perror(certfile);
506                 BIO_printf(bio_err,"trying to load CA certificate\n");
507                 goto err;
508                 }
509         x509=PEM_read_bio_X509(in,NULL,NULL);
510         if (x509 == NULL)
511                 {
512                 BIO_printf(bio_err,"unable to load CA certificate\n");
513                 goto err;
514                 }
515
516         if (!X509_check_private_key(x509,pkey))
517                 {
518                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
519                 goto err;
520                 }
521
522         f=CONF_get_string(conf,BASE_SECTION,ENV_PRESERVE);
523         if ((f != NULL) && ((*f == 'y') || (*f == 'Y')))
524                 preserve=1;
525         f=CONF_get_string(conf,BASE_SECTION,ENV_MSIE_HACK);
526         if ((f != NULL) && ((*f == 'y') || (*f == 'Y')))
527                 msie_hack=1;
528
529         /*****************************************************************/
530         /* lookup where to write new certificates */
531         if ((outdir == NULL) && (req))
532                 {
533                 struct stat sb;
534
535                 if ((outdir=CONF_get_string(conf,section,ENV_NEW_CERTS_DIR))
536                         == NULL)
537                         {
538                         BIO_printf(bio_err,"there needs to be defined a directory for new certificate to be placed in\n");
539                         goto err;
540                         }
541                 if (access(outdir,R_OK|W_OK|X_OK) != 0)
542                         {
543                         BIO_printf(bio_err,"I am unable to acces the %s directory\n",outdir);
544                         perror(outdir);
545                         goto err;
546                         }
547
548                 if (stat(outdir,&sb) != 0)
549                         {
550                         BIO_printf(bio_err,"unable to stat(%s)\n",outdir);
551                         perror(outdir);
552                         goto err;
553                         }
554                 if (!(sb.st_mode & S_IFDIR))
555                         {
556                         BIO_printf(bio_err,"%s need to be a directory\n",outdir);
557                         perror(outdir);
558                         goto err;
559                         }
560                 }
561
562         /*****************************************************************/
563         /* we need to load the database file */
564         if ((dbfile=CONF_get_string(conf,section,ENV_DATABASE)) == NULL)
565                 {
566                 lookup_fail(section,ENV_DATABASE);
567                 goto err;
568                 }
569         if (BIO_read_filename(in,dbfile) <= 0)
570                 {
571                 perror(dbfile);
572                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
573                 goto err;
574                 }
575         db=TXT_DB_read(in,DB_NUMBER);
576         if (db == NULL) goto err;
577
578         /* Lets check some fields */
579         for (i=0; i<sk_num(db->data); i++)
580                 {
581                 pp=(char **)sk_value(db->data,i);
582                 if ((pp[DB_type][0] != DB_TYPE_REV) &&
583                         (pp[DB_rev_date][0] != '\0'))
584                         {
585                         BIO_printf(bio_err,"entry %d: not, revoked yet has a revokation date\n",i+1);
586                         goto err;
587                         }
588                 if ((pp[DB_type][0] == DB_TYPE_REV) &&
589                         !check_time_format(pp[DB_rev_date]))
590                         {
591                         BIO_printf(bio_err,"entry %d: invalid revokation date\n",
592                                 i+1);
593                         goto err;
594                         }
595                 if (!check_time_format(pp[DB_exp_date]))
596                         {
597                         BIO_printf(bio_err,"entry %d: invalid expiry date\n",i+1);
598                         goto err;
599                         }
600                 p=pp[DB_serial];
601                 j=strlen(p);
602                 if ((j&1) || (j < 2))
603                         {
604                         BIO_printf(bio_err,"entry %d: bad serial number length (%d)\n",i+1,j);
605                         goto err;
606                         }
607                 while (*p)
608                         {
609                         if (!(  ((*p >= '0') && (*p <= '9')) ||
610                                 ((*p >= 'A') && (*p <= 'F')) ||
611                                 ((*p >= 'a') && (*p <= 'f')))  )
612                                 {
613                                 BIO_printf(bio_err,"entry %d: bad serial number characters, char pos %ld, char is '%c'\n",i+1,(long)(p-pp[DB_serial]),*p);
614                                 goto err;
615                                 }
616                         p++;
617                         }
618                 }
619         if (verbose)
620                 {
621                 BIO_set_fp(out,stdout,BIO_NOCLOSE|BIO_FP_TEXT); /* cannot fail */
622                 TXT_DB_write(out,db);
623                 BIO_printf(bio_err,"%d entries loaded from the database\n",
624                         db->data->num);
625                 BIO_printf(bio_err,"generating indexs\n");
626                 }
627         
628         if (!TXT_DB_create_index(db,DB_serial,NULL,index_serial_hash,
629                 index_serial_cmp))
630                 {
631                 BIO_printf(bio_err,"error creating serial number index:(%ld,%ld,%ld)\n",db->error,db->arg1,db->arg2);
632                 goto err;
633                 }
634
635         if (!TXT_DB_create_index(db,DB_name,index_name_qual,index_name_hash,
636                 index_name_cmp))
637                 {
638                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
639                         db->error,db->arg1,db->arg2);
640                 goto err;
641                 }
642
643         /*****************************************************************/
644         if (req || gencrl)
645                 {
646                 if (outfile != NULL)
647                         {
648
649                         if (BIO_write_filename(Sout,outfile) <= 0)
650                                 {
651                                 perror(outfile);
652                                 goto err;
653                                 }
654                         }
655                 else
656                         BIO_set_fp(Sout,stdout,BIO_NOCLOSE|BIO_FP_TEXT);
657                 }
658
659         if (req)
660                 {
661                 if ((md == NULL) && ((md=CONF_get_string(conf,
662                         section,ENV_DEFAULT_MD)) == NULL))
663                         {
664                         lookup_fail(section,ENV_DEFAULT_MD);
665                         goto err;
666                         }
667                 if ((dgst=EVP_get_digestbyname(md)) == NULL)
668                         {
669                         BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);
670                         goto err;
671                         }
672                 if (verbose)
673                         BIO_printf(bio_err,"message digest is %s\n",
674                                 OBJ_nid2ln(dgst->type));
675                 if ((policy == NULL) && ((policy=CONF_get_string(conf,
676                         section,ENV_POLICY)) == NULL))
677                         {
678                         lookup_fail(section,ENV_POLICY);
679                         goto err;
680                         }
681                 if (verbose)
682                         BIO_printf(bio_err,"policy is %s\n",policy);
683
684                 if ((serialfile=CONF_get_string(conf,section,ENV_SERIAL))
685                         == NULL)
686                         {
687                         lookup_fail(section,ENV_SERIAL);
688                         goto err;
689                         }
690
691                 if ((extensions=CONF_get_string(conf,section,ENV_EXTENSIONS))
692                         != NULL)
693                         {
694                         if ((extensions_sk=load_extensions(extensions)) == NULL)
695                                 goto err;
696                         }
697
698                 if (startdate == NULL)
699                         {
700                         startdate=(char *)CONF_get_string(conf,section,
701                                 ENV_DEFAULT_STARTDATE);
702                         if (startdate == NULL)
703                                 startdate="today";
704                         else
705                                 {
706                                 if (!ASN1_UTCTIME_set_string(NULL,startdate))
707                                         {
708                                         BIO_printf(bio_err,"start date is invalid, it should be YYMMDDHHMMSS\n");
709                                         goto err;
710                                         }
711                                 }
712                         }
713
714                 if (days == 0)
715                         {
716                         days=(int)CONF_get_number(conf,section,
717                                 ENV_DEFAULT_DAYS);
718                         }
719                 if (days == 0)
720                         {
721                         BIO_printf(bio_err,"cannot lookup how many days to certify for\n");
722                         goto err;
723                         }
724
725                 if ((serial=load_serial(serialfile)) == NULL)
726                         {
727                         BIO_printf(bio_err,"error while loading serial number\n");
728                         goto err;
729                         }
730                 if (verbose)
731                         {
732                         if ((f=BN_bn2hex(serial)) == NULL) goto err;
733                         BIO_printf(bio_err,"next serial number is %s\n",f);
734                         Free(f);
735                         }
736
737                 if ((attribs=CONF_get_section(conf,policy)) == NULL)
738                         {
739                         BIO_printf(bio_err,"unable to find 'section' for %s\n",policy);
740                         goto err;
741                         }
742
743                 if ((cert_sk=sk_new_null()) == NULL)
744                         {
745                         BIO_printf(bio_err,"Malloc failure\n");
746                         goto err;
747                         }
748                 if (spkac_file != NULL)
749                         {
750                         total++;
751                         j=certify_spkac(&x,spkac_file,pkey,x509,dgst,attribs,db,
752                                 serial,startdate,days,extensions_sk,verbose);
753                         if (j < 0) goto err;
754                         if (j > 0)
755                                 {
756                                 total_done++;
757                                 BIO_printf(bio_err,"\n");
758                                 if (!BN_add_word(serial,1)) goto err;
759                                 if (!sk_push(cert_sk,(char *)x))
760                                         {
761                                         BIO_printf(bio_err,"Malloc failure\n");
762                                         goto err;
763                                         }
764                                 if (outfile)
765                                         {
766                                         output_der = 1;
767                                         batch = 1;
768                                         }
769                                 }
770                         }
771                 if (ss_cert_file != NULL)
772                         {
773                         total++;
774                         j=certify_cert(&x,ss_cert_file,pkey,x509,dgst,attribs,
775                                 db,serial,startdate,days,batch,
776                                 extensions_sk,verbose);
777                         if (j < 0) goto err;
778                         if (j > 0)
779                                 {
780                                 total_done++;
781                                 BIO_printf(bio_err,"\n");
782                                 if (!BN_add_word(serial,1)) goto err;
783                                 if (!sk_push(cert_sk,(char *)x))
784                                         {
785                                         BIO_printf(bio_err,"Malloc failure\n");
786                                         goto err;
787                                         }
788                                 }
789                         }
790                 if (infile != NULL)
791                         {
792                         total++;
793                         j=certify(&x,infile,pkey,x509,dgst,attribs,db,
794                                 serial,startdate,days,batch,
795                                 extensions_sk,verbose);
796                         if (j < 0) goto err;
797                         if (j > 0)
798                                 {
799                                 total_done++;
800                                 BIO_printf(bio_err,"\n");
801                                 if (!BN_add_word(serial,1)) goto err;
802                                 if (!sk_push(cert_sk,(char *)x))
803                                         {
804                                         BIO_printf(bio_err,"Malloc failure\n");
805                                         goto err;
806                                         }
807                                 }
808                         }
809                 for (i=0; i<argc; i++)
810                         {
811                         total++;
812                         j=certify(&x,argv[i],pkey,x509,dgst,attribs,db,
813                                 serial,startdate,days,batch,
814                                 extensions_sk,verbose);
815                         if (j < 0) goto err;
816                         if (j > 0)
817                                 {
818                                 total_done++;
819                                 BIO_printf(bio_err,"\n");
820                                 if (!BN_add_word(serial,1)) goto err;
821                                 if (!sk_push(cert_sk,(char *)x))
822                                         {
823                                         BIO_printf(bio_err,"Malloc failure\n");
824                                         goto err;
825                                         }
826                                 }
827                         }       
828                 /* we have a stack of newly certified certificates
829                  * and a data base and serial number that need
830                  * updating */
831
832                 if (sk_num(cert_sk) > 0)
833                         {
834                         if (!batch)
835                                 {
836                                 BIO_printf(bio_err,"\n%d out of %d certificate requests certified, commit? [y/n]",total_done,total);
837                                 BIO_flush(bio_err);
838                                 buf[0][0]='\0';
839                                 fgets(buf[0],10,stdin);
840                                 if ((buf[0][0] != 'y') && (buf[0][0] != 'Y'))
841                                         {
842                                         BIO_printf(bio_err,"CERTIFICATION CANCELED\n"); 
843                                         ret=0;
844                                         goto err;
845                                         }
846                                 }
847
848                         BIO_printf(bio_err,"Write out database with %d new entries\n",sk_num(cert_sk));
849
850                         strncpy(buf[0],serialfile,BSIZE-4);
851                         strcat(buf[0],".new");
852
853                         if (!save_serial(buf[0],serial)) goto err;
854
855                         strncpy(buf[1],dbfile,BSIZE-4);
856                         strcat(buf[1],".new");
857                         if (BIO_write_filename(out,buf[1]) <= 0)
858                                 {
859                                 perror(dbfile);
860                                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
861                                 goto err;
862                                 }
863                         l=TXT_DB_write(out,db);
864                         if (l <= 0) goto err;
865                         }
866         
867                 if (verbose)
868                         BIO_printf(bio_err,"writing new certificates\n");
869                 for (i=0; i<sk_num(cert_sk); i++)
870                         {
871                         int k;
872                         unsigned char *n;
873
874                         x=(X509 *)sk_value(cert_sk,i);
875
876                         j=x->cert_info->serialNumber->length;
877                         p=(char *)x->cert_info->serialNumber->data;
878                         
879                         strncpy(buf[2],outdir,BSIZE-(j*2)-6);
880                         strcat(buf[2],"/");
881                         n=(unsigned char *)&(buf[2][strlen(buf[2])]);
882                         if (j > 0)
883                                 {
884                                 for (k=0; k<j; k++)
885                                         {
886                                         sprintf((char *)n,"%02X",(unsigned char)*(p++));
887                                         n+=2;
888                                         }
889                                 }
890                         else
891                                 {
892                                 *(n++)='0';
893                                 *(n++)='0';
894                                 }
895                         *(n++)='.'; *(n++)='p'; *(n++)='e'; *(n++)='m';
896                         *n='\0';
897                         if (verbose)
898                                 BIO_printf(bio_err,"writing %s\n",buf[2]);
899
900                         if (BIO_write_filename(Cout,buf[2]) <= 0)
901                                 {
902                                 perror(buf[2]);
903                                 goto err;
904                                 }
905                         write_new_certificate(Cout,x, 0);
906                         write_new_certificate(Sout,x, output_der);
907                         }
908
909                 if (sk_num(cert_sk))
910                         {
911                         /* Rename the database and the serial file */
912                         strncpy(buf[2],serialfile,BSIZE-4);
913                         strcat(buf[2],".old");
914                         BIO_free(in);
915                         BIO_free(out);
916                         in=NULL;
917                         out=NULL;
918                         if (rename(serialfile,buf[2]) < 0)
919                                 {
920                                 BIO_printf(bio_err,"unabel to rename %s to %s\n",
921                                         serialfile,buf[2]);
922                                 perror("reason");
923                                 goto err;
924                                 }
925                         if (rename(buf[0],serialfile) < 0)
926                                 {
927                                 BIO_printf(bio_err,"unabel to rename %s to %s\n",
928                                         buf[0],serialfile);
929                                 perror("reason");
930                                 rename(buf[2],serialfile);
931                                 goto err;
932                                 }
933
934                         strncpy(buf[2],dbfile,BSIZE-4);
935                         strcat(buf[2],".old");
936                         if (rename(dbfile,buf[2]) < 0)
937                                 {
938                                 BIO_printf(bio_err,"unabel to rename %s to %s\n",
939                                         dbfile,buf[2]);
940                                 perror("reason");
941                                 goto err;
942                                 }
943                         if (rename(buf[1],dbfile) < 0)
944                                 {
945                                 BIO_printf(bio_err,"unabel to rename %s to %s\n",
946                                         buf[1],dbfile);
947                                 perror("reason");
948                                 rename(buf[2],dbfile);
949                                 goto err;
950                                 }
951                         BIO_printf(bio_err,"Data Base Updated\n");
952                         }
953                 }
954         
955         /*****************************************************************/
956         if (gencrl)
957                 {
958                 if ((hex=BIO_new(BIO_s_mem())) == NULL) goto err;
959
960                 if (!crldays && !crlhours)
961                         {
962                         crldays=CONF_get_number(conf,section,
963                                 ENV_DEFAULT_CRL_DAYS);
964                         crlhours=CONF_get_number(conf,section,
965                                 ENV_DEFAULT_CRL_HOURS);
966                         }
967                 if ((crldays == 0) && (crlhours == 0))
968                         {
969                         BIO_printf(bio_err,"cannot lookup how long until the next CRL is issuer\n");
970                         goto err;
971                         }
972
973                 if (verbose) BIO_printf(bio_err,"making CRL\n");
974                 if ((crl=X509_CRL_new()) == NULL) goto err;
975                 ci=crl->crl;
976                 X509_NAME_free(ci->issuer);
977                 ci->issuer=X509_NAME_dup(x509->cert_info->subject);
978                 if (ci->issuer == NULL) goto err;
979
980                 X509_gmtime_adj(ci->lastUpdate,0);
981                 if (ci->nextUpdate == NULL)
982                         ci->nextUpdate=ASN1_UTCTIME_new();
983                 X509_gmtime_adj(ci->nextUpdate,(crldays*24+crlhours)*60*60);
984
985                 for (i=0; i<sk_num(db->data); i++)
986                         {
987                         pp=(char **)sk_value(db->data,i);
988                         if (pp[DB_type][0] == DB_TYPE_REV)
989                                 {
990                                 if ((r=X509_REVOKED_new()) == NULL) goto err;
991                                 ASN1_STRING_set((ASN1_STRING *)
992                                         r->revocationDate,
993                                         (unsigned char *)pp[DB_rev_date],
994                                         strlen(pp[DB_rev_date]));
995                                 /* strcpy(r->revocationDate,pp[DB_rev_date]);*/
996
997                                 BIO_reset(hex);
998                                 if (!BIO_puts(hex,pp[DB_serial]))
999                                         goto err;
1000                                 if (!a2i_ASN1_INTEGER(hex,r->serialNumber,
1001                                         buf[0],BSIZE)) goto err;
1002
1003                                 sk_push(ci->revoked,(char *)r);
1004                                 }
1005                         }
1006                 /* sort the data so it will be written in serial
1007                  * number order */
1008                 sk_find(ci->revoked,NULL);
1009                 for (i=0; i<sk_num(ci->revoked); i++)
1010                         {
1011                         r=(X509_REVOKED *)sk_value(ci->revoked,i);
1012                         r->sequence=i;
1013                         }
1014
1015                 /* we how have a CRL */
1016                 if (verbose) BIO_printf(bio_err,"signing CRL\n");
1017                 if (md != NULL)
1018                         {
1019                         if ((dgst=EVP_get_digestbyname(md)) == NULL)
1020                                 {
1021                                 BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);
1022                                 goto err;
1023                                 }
1024                         }
1025                 else
1026                         dgst=EVP_md5();
1027                 if (!X509_CRL_sign(crl,pkey,dgst)) goto err;
1028
1029                 PEM_write_bio_X509_CRL(Sout,crl);
1030                 }
1031         /*****************************************************************/
1032         ret=0;
1033 err:
1034         if (hex != NULL) BIO_free(hex);
1035         if (Cout != NULL) BIO_free(Cout);
1036         if (Sout != NULL) BIO_free(Sout);
1037         if (out != NULL) BIO_free(out);
1038         if (in != NULL) BIO_free(in);
1039
1040         if (cert_sk != NULL) sk_pop_free(cert_sk,X509_free);
1041         if (extensions_sk != NULL)
1042                 sk_pop_free(extensions_sk,X509_EXTENSION_free);
1043
1044         if (ret) ERR_print_errors(bio_err);
1045         if (serial != NULL) BN_free(serial);
1046         if (db != NULL) TXT_DB_free(db);
1047         if (pkey != NULL) EVP_PKEY_free(pkey);
1048         if (x509 != NULL) X509_free(x509);
1049         if (crl != NULL) X509_CRL_free(crl);
1050         if (conf != NULL) CONF_free(conf);
1051         X509v3_cleanup_extensions();
1052         EXIT(ret);
1053         }
1054
1055 static void lookup_fail(name,tag)
1056 char *name;
1057 char *tag;
1058         {
1059         BIO_printf(bio_err,"variable lookup failed for %s::%s\n",name,tag);
1060         }
1061
1062 static int MS_CALLBACK key_callback(buf,len,verify)
1063 char *buf;
1064 int len,verify;
1065         {
1066         int i;
1067
1068         if (key == NULL) return(0);
1069         i=strlen(key);
1070         i=(i > len)?len:i;
1071         memcpy(buf,key,i);
1072         return(i);
1073         }
1074
1075 static unsigned long index_serial_hash(a)
1076 char **a;
1077         {
1078         char *n;
1079
1080         n=a[DB_serial];
1081         while (*n == '0') n++;
1082         return(lh_strhash(n));
1083         }
1084
1085 static int index_serial_cmp(a,b)
1086 char **a;
1087 char **b;
1088         {
1089         char *aa,*bb;
1090
1091         for (aa=a[DB_serial]; *aa == '0'; aa++);
1092         for (bb=b[DB_serial]; *bb == '0'; bb++);
1093         return(strcmp(aa,bb));
1094         }
1095
1096 static unsigned long index_name_hash(a)
1097 char **a;
1098         { return(lh_strhash(a[DB_name])); }
1099
1100 static int index_name_qual(a)
1101 char **a;
1102         { return(a[0][0] == 'V'); }
1103
1104 static int index_name_cmp(a,b)
1105 char **a;
1106 char **b;
1107         { return(strcmp(a[DB_name],b[DB_name])); }
1108
1109 static BIGNUM *load_serial(serialfile)
1110 char *serialfile;
1111         {
1112         BIO *in=NULL;
1113         BIGNUM *ret=NULL;
1114         MS_STATIC char buf[1024];
1115         ASN1_INTEGER *ai=NULL;
1116
1117         if ((in=BIO_new(BIO_s_file())) == NULL)
1118                 {
1119                 ERR_print_errors(bio_err);
1120                 goto err;
1121                 }
1122
1123         if (BIO_read_filename(in,serialfile) <= 0)
1124                 {
1125                 perror(serialfile);
1126                 goto err;
1127                 }
1128         ai=ASN1_INTEGER_new();
1129         if (ai == NULL) goto err;
1130         if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1131                 {
1132                 BIO_printf(bio_err,"unable to load number from %s\n",
1133                         serialfile);
1134                 goto err;
1135                 }
1136         ret=ASN1_INTEGER_to_BN(ai,NULL);
1137         if (ret == NULL)
1138                 {
1139                 BIO_printf(bio_err,"error converting number from bin to BIGNUM");
1140                 goto err;
1141                 }
1142 err:
1143         if (in != NULL) BIO_free(in);
1144         if (ai != NULL) ASN1_INTEGER_free(ai);
1145         return(ret);
1146         }
1147
1148 static int save_serial(serialfile,serial)
1149 char *serialfile;
1150 BIGNUM *serial;
1151         {
1152         BIO *out;
1153         int ret=0;
1154         ASN1_INTEGER *ai=NULL;
1155
1156         out=BIO_new(BIO_s_file());
1157         if (out == NULL)
1158                 {
1159                 ERR_print_errors(bio_err);
1160                 goto err;
1161                 }
1162         if (BIO_write_filename(out,serialfile) <= 0)
1163                 {
1164                 perror(serialfile);
1165                 goto err;
1166                 }
1167
1168         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1169                 {
1170                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1171                 goto err;
1172                 }
1173         i2a_ASN1_INTEGER(out,ai);
1174         BIO_puts(out,"\n");
1175         ret=1;
1176 err:
1177         if (out != NULL) BIO_free(out);
1178         if (ai != NULL) ASN1_INTEGER_free(ai);
1179         return(ret);
1180         }
1181
1182 static int certify(xret,infile,pkey,x509,dgst,policy,db,serial,startdate,days,
1183         batch,extensions,verbose)
1184 X509 **xret;
1185 char *infile;
1186 EVP_PKEY *pkey;
1187 X509 *x509;
1188 EVP_MD *dgst;
1189 STACK *policy;
1190 TXT_DB *db;
1191 BIGNUM *serial;
1192 char *startdate;
1193 int days;
1194 int batch;
1195 STACK *extensions;
1196 int verbose;
1197         {
1198         X509_REQ *req=NULL;
1199         BIO *in=NULL;
1200         EVP_PKEY *pktmp=NULL;
1201         int ok= -1,i;
1202
1203         in=BIO_new(BIO_s_file());
1204
1205         if (BIO_read_filename(in,infile) <= 0)
1206                 {
1207                 perror(infile);
1208                 goto err;
1209                 }
1210         if ((req=PEM_read_bio_X509_REQ(in,NULL,NULL)) == NULL)
1211                 {
1212                 BIO_printf(bio_err,"Error reading certificate request in %s\n",
1213                         infile);
1214                 goto err;
1215                 }
1216         if (verbose)
1217                 X509_REQ_print(bio_err,req);
1218
1219         BIO_printf(bio_err,"Check that the request matches the signature\n");
1220
1221         if ((pktmp=X509_REQ_get_pubkey(req)) == NULL)
1222                 {
1223                 BIO_printf(bio_err,"error unpacking public key\n");
1224                 goto err;
1225                 }
1226         i=X509_REQ_verify(req,pktmp);
1227         if (i < 0)
1228                 {
1229                 ok=0;
1230                 BIO_printf(bio_err,"Signature verification problems....\n");
1231                 goto err;
1232                 }
1233         if (i == 0)
1234                 {
1235                 ok=0;
1236                 BIO_printf(bio_err,"Signature did not match the certificate request\n");
1237                 goto err;
1238                 }
1239         else
1240                 BIO_printf(bio_err,"Signature ok\n");
1241
1242         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,
1243                 days,batch,verbose,req,extensions);
1244
1245 err:
1246         if (req != NULL) X509_REQ_free(req);
1247         if (in != NULL) BIO_free(in);
1248         return(ok);
1249         }
1250
1251 static int certify_cert(xret,infile,pkey,x509,dgst,policy,db,serial,startdate,
1252         days, batch,extensions,verbose)
1253 X509 **xret;
1254 char *infile;
1255 EVP_PKEY *pkey;
1256 X509 *x509;
1257 EVP_MD *dgst;
1258 STACK *policy;
1259 TXT_DB *db;
1260 BIGNUM *serial;
1261 char *startdate;
1262 int days;
1263 int batch;
1264 STACK *extensions;
1265 int verbose;
1266         {
1267         X509 *req=NULL;
1268         X509_REQ *rreq=NULL;
1269         BIO *in=NULL;
1270         EVP_PKEY *pktmp=NULL;
1271         int ok= -1,i;
1272
1273         in=BIO_new(BIO_s_file());
1274
1275         if (BIO_read_filename(in,infile) <= 0)
1276                 {
1277                 perror(infile);
1278                 goto err;
1279                 }
1280         if ((req=PEM_read_bio_X509(in,NULL,NULL)) == NULL)
1281                 {
1282                 BIO_printf(bio_err,"Error reading self signed certificate in %s\n",infile);
1283                 goto err;
1284                 }
1285         if (verbose)
1286                 X509_print(bio_err,req);
1287
1288         BIO_printf(bio_err,"Check that the request matches the signature\n");
1289
1290         if ((pktmp=X509_get_pubkey(req)) == NULL)
1291                 {
1292                 BIO_printf(bio_err,"error unpacking public key\n");
1293                 goto err;
1294                 }
1295         i=X509_verify(req,pktmp);
1296         if (i < 0)
1297                 {
1298                 ok=0;
1299                 BIO_printf(bio_err,"Signature verification problems....\n");
1300                 goto err;
1301                 }
1302         if (i == 0)
1303                 {
1304                 ok=0;
1305                 BIO_printf(bio_err,"Signature did not match the certificate\n");
1306                 goto err;
1307                 }
1308         else
1309                 BIO_printf(bio_err,"Signature ok\n");
1310
1311         if ((rreq=X509_to_X509_REQ(req,NULL,EVP_md5())) == NULL)
1312                 goto err;
1313
1314         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,days,
1315                 batch,verbose,rreq,extensions);
1316
1317 err:
1318         if (rreq != NULL) X509_REQ_free(rreq);
1319         if (req != NULL) X509_free(req);
1320         if (in != NULL) BIO_free(in);
1321         return(ok);
1322         }
1323
1324 static int do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,days,
1325         batch,verbose,req, extensions)
1326 X509 **xret;
1327 EVP_PKEY *pkey;
1328 X509 *x509;
1329 EVP_MD *dgst;
1330 STACK *policy;
1331 TXT_DB *db;
1332 BIGNUM *serial;
1333 char *startdate;
1334 int days;
1335 int batch;
1336 int verbose;
1337 X509_REQ *req;
1338 STACK *extensions;
1339         {
1340         X509_NAME *name=NULL,*CAname=NULL,*subject=NULL;
1341         ASN1_UTCTIME *tm,*tmptm;
1342         ASN1_STRING *str,*str2;
1343         ASN1_OBJECT *obj;
1344         X509 *ret=NULL;
1345         X509_CINF *ci;
1346         X509_NAME_ENTRY *ne;
1347         X509_NAME_ENTRY *tne,*push;
1348         X509_EXTENSION *ex=NULL;
1349         EVP_PKEY *pktmp;
1350         int ok= -1,i,j,last,nid;
1351         char *p;
1352         CONF_VALUE *cv;
1353         char *row[DB_NUMBER],**rrow,**irow=NULL;
1354         char buf[25],*pbuf;
1355
1356         tmptm=ASN1_UTCTIME_new();
1357         if (tmptm == NULL)
1358                 {
1359                 BIO_printf(bio_err,"malloc error\n");
1360                 return(0);
1361                 }
1362
1363         for (i=0; i<DB_NUMBER; i++)
1364                 row[i]=NULL;
1365
1366         BIO_printf(bio_err,"The Subjects Distinguished Name is as follows\n");
1367         name=X509_REQ_get_subject_name(req);
1368         for (i=0; i<X509_NAME_entry_count(name); i++)
1369                 {
1370                 ne=(X509_NAME_ENTRY *)X509_NAME_get_entry(name,i);
1371                 obj=X509_NAME_ENTRY_get_object(ne);
1372                 j=i2a_ASN1_OBJECT(bio_err,obj);
1373                 str=X509_NAME_ENTRY_get_data(ne);
1374                 pbuf=buf;
1375                 for (j=22-j; j>0; j--)
1376                         *(pbuf++)=' ';
1377                 *(pbuf++)=':';
1378                 *(pbuf++)='\0';
1379                 BIO_puts(bio_err,buf);
1380
1381                 if (msie_hack)
1382                         {
1383                         /* assume all type should be strings */
1384                         nid=OBJ_obj2nid(ne->object);
1385
1386                         if (str->type == V_ASN1_UNIVERSALSTRING)
1387                                 ASN1_UNIVERSALSTRING_to_string(str);
1388
1389                         if ((str->type == V_ASN1_IA5STRING) &&
1390                                 (nid != NID_pkcs9_emailAddress))
1391                                 str->type=V_ASN1_T61STRING;
1392
1393                         if ((nid == NID_pkcs9_emailAddress) &&
1394                                 (str->type == V_ASN1_PRINTABLESTRING))
1395                                 str->type=V_ASN1_IA5STRING;
1396                         }
1397
1398                 if (str->type == V_ASN1_PRINTABLESTRING)
1399                         BIO_printf(bio_err,"PRINTABLE:'");
1400                 else if (str->type == V_ASN1_T61STRING)
1401                         BIO_printf(bio_err,"T61STRING:'");
1402                 else if (str->type == V_ASN1_IA5STRING)
1403                         BIO_printf(bio_err,"IA5STRING:'");
1404                 else if (str->type == V_ASN1_UNIVERSALSTRING)
1405                         BIO_printf(bio_err,"UNIVERSALSTRING:'");
1406                 else
1407                         BIO_printf(bio_err,"ASN.1 %2d:'",str->type);
1408
1409                 /* check some things */
1410                 if ((OBJ_obj2nid(obj) == NID_pkcs9_emailAddress) &&
1411                         (str->type != V_ASN1_IA5STRING))
1412                         {
1413                         BIO_printf(bio_err,"\nemailAddress type needs to be of type IA5STRING\n");
1414                         goto err;
1415                         }
1416                 j=ASN1_PRINTABLE_type(str->data,str->length);
1417                 if (    ((j == V_ASN1_T61STRING) &&
1418                          (str->type != V_ASN1_T61STRING)) ||
1419                         ((j == V_ASN1_IA5STRING) &&
1420                          (str->type == V_ASN1_PRINTABLESTRING)))
1421                         {
1422                         BIO_printf(bio_err,"\nThe string contains characters that are illegal for the ASN.1 type\n");
1423                         goto err;
1424                         }
1425                         
1426                 p=(char *)str->data;
1427                 for (j=str->length; j>0; j--)
1428                         {
1429                         if ((*p >= ' ') && (*p <= '~'))
1430                                 BIO_printf(bio_err,"%c",*p);
1431                         else if (*p & 0x80)
1432                                 BIO_printf(bio_err,"\\0x%02X",*p);
1433                         else if ((unsigned char)*p == 0xf7)
1434                                 BIO_printf(bio_err,"^?");
1435                         else    BIO_printf(bio_err,"^%c",*p+'@');
1436                         p++;
1437                         }
1438                 BIO_printf(bio_err,"'\n");
1439                 }
1440
1441         /* Ok, now we check the 'policy' stuff. */
1442         if ((subject=X509_NAME_new()) == NULL)
1443                 {
1444                 BIO_printf(bio_err,"Malloc failure\n");
1445                 goto err;
1446                 }
1447
1448         /* take a copy of the issuer name before we mess with it. */
1449         CAname=X509_NAME_dup(x509->cert_info->subject);
1450         if (CAname == NULL) goto err;
1451         str=str2=NULL;
1452
1453         for (i=0; i<sk_num(policy); i++)
1454                 {
1455                 cv=(CONF_VALUE *)sk_value(policy,i); /* get the object id */
1456                 if ((j=OBJ_txt2nid(cv->name)) == NID_undef)
1457                         {
1458                         BIO_printf(bio_err,"%s:unknown object type in 'policy' configuration\n",cv->name);
1459                         goto err;
1460                         }
1461                 obj=OBJ_nid2obj(j);
1462
1463                 last= -1;
1464                 for (;;)
1465                         {
1466                         /* lookup the object in the supplied name list */
1467                         j=X509_NAME_get_index_by_OBJ(name,obj,last);
1468                         if (j < 0)
1469                                 {
1470                                 if (last != -1) break;
1471                                 tne=NULL;
1472                                 }
1473                         else
1474                                 {
1475                                 tne=X509_NAME_get_entry(name,j);
1476                                 }
1477                         last=j;
1478
1479                         /* depending on the 'policy', decide what to do. */
1480                         push=NULL;
1481                         if (strcmp(cv->value,"optional") == 0)
1482                                 {
1483                                 if (tne != NULL)
1484                                         push=tne;
1485                                 }
1486                         else if (strcmp(cv->value,"supplied") == 0)
1487                                 {
1488                                 if (tne == NULL)
1489                                         {
1490                                         BIO_printf(bio_err,"The %s field needed to be supplied and was missing\n",cv->name);
1491                                         goto err;
1492                                         }
1493                                 else
1494                                         push=tne;
1495                                 }
1496                         else if (strcmp(cv->value,"match") == 0)
1497                                 {
1498                                 int last2;
1499
1500                                 if (tne == NULL)
1501                                         {
1502                                         BIO_printf(bio_err,"The mandatory %s field was missing\n",cv->name);
1503                                         goto err;
1504                                         }
1505
1506                                 last2= -1;
1507
1508 again2:
1509                                 j=X509_NAME_get_index_by_OBJ(CAname,obj,last2);
1510                                 if ((j < 0) && (last2 == -1))
1511                                         {
1512                                         BIO_printf(bio_err,"The %s field does not exist in the CA certificate,\nthe 'policy' is misconfigured\n",cv->name);
1513                                         goto err;
1514                                         }
1515                                 if (j >= 0)
1516                                         {
1517                                         push=X509_NAME_get_entry(CAname,j);
1518                                         str=X509_NAME_ENTRY_get_data(tne);
1519                                         str2=X509_NAME_ENTRY_get_data(push);
1520                                         last2=j;
1521                                         if (ASN1_STRING_cmp(str,str2) != 0)
1522                                                 goto again2;
1523                                         }
1524                                 if (j < 0)
1525                                         {
1526                                         BIO_printf(bio_err,"The %s field needed to be the same in the\nCA certificate (%s) and the request (%s)\n",cv->name,((str == NULL)?"NULL":(char *)str->data),((str2 == NULL)?"NULL":(char *)str2->data));
1527                                         goto err;
1528                                         }
1529                                 }
1530                         else
1531                                 {
1532                                 BIO_printf(bio_err,"%s:invalid type in 'policy' configuration\n",cv->value);
1533                                 goto err;
1534                                 }
1535
1536                         if (push != NULL)
1537                                 {
1538                                 if (!X509_NAME_add_entry(subject,push,
1539                                         X509_NAME_entry_count(subject),0))
1540                                         {
1541                                         if (push != NULL)
1542                                                 X509_NAME_ENTRY_free(push);
1543                                         BIO_printf(bio_err,"Malloc failure\n");
1544                                         goto err;
1545                                         }
1546                                 }
1547                         if (j < 0) break;
1548                         }
1549                 }
1550
1551         if (preserve)
1552                 {
1553                 X509_NAME_free(subject);
1554                 subject=X509_NAME_dup(X509_REQ_get_subject_name(req));
1555                 if (subject == NULL) goto err;
1556                 }
1557
1558         if (verbose)
1559                 BIO_printf(bio_err,"The subject name apears to be ok, checking data base for clashes\n");
1560
1561         row[DB_name]=X509_NAME_oneline(subject,NULL,0);
1562         row[DB_serial]=BN_bn2hex(serial);
1563         if ((row[DB_name] == NULL) || (row[DB_serial] == NULL))
1564                 {
1565                 BIO_printf(bio_err,"Malloc failure\n");
1566                 goto err;
1567                 }
1568
1569         rrow=TXT_DB_get_by_index(db,DB_name,row);
1570         if (rrow != NULL)
1571                 {
1572                 BIO_printf(bio_err,"ERROR:There is already a certificate for %s\n",
1573                         row[DB_name]);
1574                 }
1575         else
1576                 {
1577                 rrow=TXT_DB_get_by_index(db,DB_serial,row);
1578                 if (rrow != NULL)
1579                         {
1580                         BIO_printf(bio_err,"ERROR:Serial number %s has already been issued,\n",
1581                                 row[DB_serial]);
1582                         BIO_printf(bio_err,"      check the database/serial_file for corruption\n");
1583                         }
1584                 }
1585
1586         if (rrow != NULL)
1587                 {
1588                 BIO_printf(bio_err,
1589                         "The matching entry has the following details\n");
1590                 if (rrow[DB_type][0] == 'E')
1591                         p="Expired";
1592                 else if (rrow[DB_type][0] == 'R')
1593                         p="Revoked";
1594                 else if (rrow[DB_type][0] == 'V')
1595                         p="Valid";
1596                 else
1597                         p="\ninvalid type, Data base error\n";
1598                 BIO_printf(bio_err,"Type          :%s\n",p);;
1599                 if (rrow[DB_type][0] == 'R')
1600                         {
1601                         p=rrow[DB_exp_date]; if (p == NULL) p="undef";
1602                         BIO_printf(bio_err,"Was revoked on:%s\n",p);
1603                         }
1604                 p=rrow[DB_exp_date]; if (p == NULL) p="undef";
1605                 BIO_printf(bio_err,"Expires on    :%s\n",p);
1606                 p=rrow[DB_serial]; if (p == NULL) p="undef";
1607                 BIO_printf(bio_err,"Serial Number :%s\n",p);
1608                 p=rrow[DB_file]; if (p == NULL) p="undef";
1609                 BIO_printf(bio_err,"File name     :%s\n",p);
1610                 p=rrow[DB_name]; if (p == NULL) p="undef";
1611                 BIO_printf(bio_err,"Subject Name  :%s\n",p);
1612                 ok= -1; /* This is now a 'bad' error. */
1613                 goto err;
1614                 }
1615
1616         /* We are now totaly happy, lets make and sign the certificate */
1617         if (verbose)
1618                 BIO_printf(bio_err,"Everything appears to be ok, creating and signing the certificate\n");
1619
1620         if ((ret=X509_new()) == NULL) goto err;
1621         ci=ret->cert_info;
1622
1623 #ifdef X509_V3
1624         /* Make it an X509 v3 certificate. */
1625         if (!X509_set_version(x509,2)) goto err;
1626 #endif
1627
1628         if (BN_to_ASN1_INTEGER(serial,ci->serialNumber) == NULL)
1629                 goto err;
1630         if (!X509_set_issuer_name(ret,X509_get_subject_name(x509)))
1631                 goto err;
1632
1633         BIO_printf(bio_err,"Certificate is to be certified until ");
1634         if (strcmp(startdate,"today") == 0)
1635                 {
1636                 X509_gmtime_adj(X509_get_notBefore(ret),0);
1637                 X509_gmtime_adj(X509_get_notAfter(ret),(long)60*60*24*days);
1638                 }
1639         else
1640                 {
1641                 /*XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX*/
1642                 ASN1_UTCTIME_set_string(X509_get_notBefore(ret),startdate);
1643                 }
1644         ASN1_UTCTIME_print(bio_err,X509_get_notAfter(ret));
1645         BIO_printf(bio_err," (%d days)\n",days);
1646
1647         if (!X509_set_subject_name(ret,subject)) goto err;
1648
1649         pktmp=X509_REQ_get_pubkey(req);
1650         if (!X509_set_pubkey(ret,pktmp)) goto err;
1651
1652         /* Lets add the extensions, if there are any */
1653         if ((extensions != NULL) && (sk_num(extensions) > 0))
1654                 {
1655                 if (ci->version == NULL)
1656                         if ((ci->version=ASN1_INTEGER_new()) == NULL)
1657                                 goto err;
1658                 ASN1_INTEGER_set(ci->version,2); /* version 3 certificate */
1659
1660                 /* Free the current entries if any, there should not
1661                  * be any I belive */
1662                 if (ci->extensions != NULL)
1663                         sk_pop_free(ci->extensions,X509_EXTENSION_free);
1664
1665                 if ((ci->extensions=sk_new_null()) == NULL)
1666                         goto err;
1667
1668                 /* Lets 'copy' in the new ones */
1669                 for (i=0; i<sk_num(extensions); i++)
1670                         {
1671                         ex=X509_EXTENSION_dup((X509_EXTENSION *)
1672                                 sk_value(extensions,i));
1673                         if (ex == NULL) goto err;
1674                         if (!sk_push(ci->extensions,(char *)ex)) goto err;
1675                         }
1676                 }
1677
1678
1679         if (!batch)
1680                 {
1681                 BIO_printf(bio_err,"Sign the certificate? [y/n]:");
1682                 BIO_flush(bio_err);
1683                 buf[0]='\0';
1684                 fgets(buf,sizeof(buf)-1,stdin);
1685                 if (!((buf[0] == 'y') || (buf[0] == 'Y')))
1686                         {
1687                         BIO_printf(bio_err,"CERTIFICATE WILL NOT BE CERTIFIED\n");
1688                         ok=0;
1689                         goto err;
1690                         }
1691                 }
1692
1693         if (pkey->type == EVP_PKEY_DSA) dgst=EVP_dss1();
1694
1695 #ifndef NO_DSA
1696         pktmp=X509_get_pubkey(ret);
1697         if (EVP_PKEY_missing_parameters(pktmp) &&
1698                 !EVP_PKEY_missing_parameters(pkey))
1699                 EVP_PKEY_copy_parameters(pktmp,pkey);
1700 #endif
1701
1702         if (!X509_sign(ret,pkey,dgst))
1703                 goto err;
1704
1705         /* We now just add it to the database */
1706         row[DB_type]=(char *)Malloc(2);
1707
1708         tm=X509_get_notAfter(ret);
1709         row[DB_exp_date]=(char *)Malloc(tm->length+1);
1710         memcpy(row[DB_exp_date],tm->data,tm->length);
1711         row[DB_exp_date][tm->length]='\0';
1712
1713         row[DB_rev_date]=NULL;
1714
1715         /* row[DB_serial] done already */
1716         row[DB_file]=(char *)Malloc(8);
1717         /* row[DB_name] done already */
1718
1719         if ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||
1720                 (row[DB_file] == NULL))
1721                 {
1722                 BIO_printf(bio_err,"Malloc failure\n");
1723                 goto err;
1724                 }
1725         strcpy(row[DB_file],"unknown");
1726         row[DB_type][0]='V';
1727         row[DB_type][1]='\0';
1728
1729         if ((irow=(char **)Malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)
1730                 {
1731                 BIO_printf(bio_err,"Malloc failure\n");
1732                 goto err;
1733                 }
1734
1735         for (i=0; i<DB_NUMBER; i++)
1736                 {
1737                 irow[i]=row[i];
1738                 row[i]=NULL;
1739                 }
1740         irow[DB_NUMBER]=NULL;
1741
1742         if (!TXT_DB_insert(db,irow))
1743                 {
1744                 BIO_printf(bio_err,"failed to update database\n");
1745                 BIO_printf(bio_err,"TXT_DB error number %ld\n",db->error);
1746                 goto err;
1747                 }
1748         ok=1;
1749 err:
1750         for (i=0; i<DB_NUMBER; i++)
1751                 if (row[i] != NULL) Free(row[i]);
1752
1753         if (CAname != NULL)
1754                 X509_NAME_free(CAname);
1755         if (subject != NULL)
1756                 X509_NAME_free(subject);
1757         if (ok <= 0)
1758                 {
1759                 if (ret != NULL) X509_free(ret);
1760                 ret=NULL;
1761                 }
1762         else
1763                 *xret=ret;
1764         return(ok);
1765         }
1766
1767 static void write_new_certificate(bp,x, output_der)
1768 BIO *bp;
1769 X509 *x;
1770 int output_der;
1771         {
1772         char *f;
1773         char buf[256];
1774
1775         if (output_der)
1776                 {
1777                 (void)i2d_X509_bio(bp,x);
1778                 return;
1779                 }
1780
1781         f=X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
1782         BIO_printf(bp,"issuer :%s\n",f);
1783
1784         f=X509_NAME_oneline(X509_get_subject_name(x),buf,256);
1785         BIO_printf(bp,"subject:%s\n",f);
1786
1787         BIO_puts(bp,"serial :");
1788         i2a_ASN1_INTEGER(bp,x->cert_info->serialNumber);
1789         BIO_puts(bp,"\n\n");
1790         X509_print(bp,x);
1791         BIO_puts(bp,"\n");
1792         PEM_write_bio_X509(bp,x);
1793         BIO_puts(bp,"\n");
1794         }
1795
1796 static int certify_spkac(xret,infile,pkey,x509,dgst,policy,db,serial,
1797         startdate,days,extensions,verbose)
1798 X509 **xret;
1799 char *infile;
1800 EVP_PKEY *pkey;
1801 X509 *x509;
1802 EVP_MD *dgst;
1803 STACK *policy;
1804 TXT_DB *db;
1805 BIGNUM *serial;
1806 char *startdate;
1807 int days;
1808 STACK *extensions;
1809 int verbose;
1810         {
1811         STACK *sk=NULL;
1812         LHASH *parms=NULL;
1813         X509_REQ *req=NULL;
1814         CONF_VALUE *cv=NULL;
1815         NETSCAPE_SPKI *spki = NULL;
1816         unsigned char *spki_der = NULL,*p;
1817         X509_REQ_INFO *ri;
1818         char *type,*buf;
1819         EVP_PKEY *pktmp=NULL;
1820         X509_NAME *n=NULL;
1821         X509_NAME_ENTRY *ne=NULL;
1822         int ok= -1,i,j;
1823         long errline;
1824         int nid;
1825
1826         /*
1827          * Load input file into a hash table.  (This is just an easy
1828          * way to read and parse the file, then put it into a convenient
1829          * STACK format).
1830          */
1831         parms=CONF_load(NULL,infile,&errline);
1832         if (parms == NULL)
1833                 {
1834                 BIO_printf(bio_err,"error on line %ld of %s\n",errline,infile);
1835                 ERR_print_errors(bio_err);
1836                 goto err;
1837                 }
1838
1839         sk=CONF_get_section(parms, "default");
1840         if (sk_num(sk) == 0)
1841                 {
1842                 BIO_printf(bio_err, "no name/value pairs found in %s\n", infile);
1843                 CONF_free(parms);
1844                 goto err;
1845                 }
1846
1847         /*
1848          * Now create a dummy X509 request structure.  We don't actually
1849          * have an X509 request, but we have many of the components
1850          * (a public key, various DN components).  The idea is that we
1851          * put these components into the right X509 request structure
1852          * and we can use the same code as if you had a real X509 request.
1853          */
1854         req=X509_REQ_new();
1855         if (req == NULL)
1856                 {
1857                 ERR_print_errors(bio_err);
1858                 goto err;
1859                 }
1860
1861         /*
1862          * Build up the subject name set.
1863          */
1864         ri=req->req_info;
1865         n = ri->subject;
1866
1867         for (i = 0; ; i++)
1868                 {
1869                 if ((int)sk_num(sk) <= i) break;
1870
1871                 cv=(CONF_VALUE *)sk_value(sk,i);
1872                 type=cv->name;
1873                 buf=cv->value;
1874
1875                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1876                         {
1877                         if (strcmp(type, "SPKAC") == 0)
1878                                 {
1879                                 spki_der=(unsigned char *)Malloc(
1880                                         strlen(cv->value)+1);
1881                                 if (spki_der == NULL)
1882                                         {
1883                                         BIO_printf(bio_err,"Malloc failure\n");
1884                                         goto err;
1885                                         }
1886                                 j = EVP_DecodeBlock(spki_der, (unsigned char *)cv->value,
1887                                         strlen(cv->value));
1888                                 if (j <= 0)
1889                                         {
1890                                         BIO_printf(bio_err, "Can't b64 decode SPKAC structure\n");
1891                                         goto err;
1892                                         }
1893
1894                                 p=spki_der;
1895                                 spki = d2i_NETSCAPE_SPKI(&spki, &p, j);
1896                                 Free(spki_der);
1897                                 spki_der = NULL;
1898                                 if (spki == NULL)
1899                                         {
1900                                         BIO_printf(bio_err,"unable to load Netscape SPKAC structure\n");
1901                                         ERR_print_errors(bio_err);
1902                                         goto err;
1903                                         }
1904                                 }
1905                         continue;
1906                         }
1907
1908                 j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1909                 if (fix_data(nid, &j) == 0)
1910                         {
1911                         BIO_printf(bio_err,
1912                                 "invalid characters in string %s\n",buf);
1913                         goto err;
1914                         }
1915
1916                 if ((ne=X509_NAME_ENTRY_create_by_NID(&ne,nid,j,
1917                         (unsigned char *)buf,
1918                         strlen(buf))) == NULL)
1919                         goto err;
1920
1921                 if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
1922                         goto err;
1923                 }
1924         if (spki == NULL)
1925                 {
1926                 BIO_printf(bio_err,"Netscape SPKAC structure not found in %s\n",
1927                         infile);
1928                 goto err;
1929                 }
1930
1931         /*
1932          * Now extract the key from the SPKI structure.
1933          */
1934
1935         BIO_printf(bio_err,"Check that the SPKAC request matches the signature\n");
1936
1937         if ((pktmp=X509_PUBKEY_get(spki->spkac->pubkey)) == NULL)
1938                 {
1939                 BIO_printf(bio_err,"error unpacking SPKAC public key\n");
1940                 goto err;
1941                 }
1942
1943         j = NETSCAPE_SPKI_verify(spki, pktmp);
1944         if (j <= 0)
1945                 {
1946                 BIO_printf(bio_err,"signature verification failed on SPKAC public key\n");
1947                 goto err;
1948                 }
1949         BIO_printf(bio_err,"Signature ok\n");
1950
1951         X509_REQ_set_pubkey(req,pktmp);
1952         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,
1953                 days,1,verbose,req,extensions);
1954 err:
1955         if (req != NULL) X509_REQ_free(req);
1956         if (parms != NULL) CONF_free(parms);
1957         if (spki_der != NULL) Free(spki_der);
1958         if (spki != NULL) NETSCAPE_SPKI_free(spki);
1959         if (ne != NULL) X509_NAME_ENTRY_free(ne);
1960
1961         return(ok);
1962         }
1963
1964 static int fix_data(nid,type)
1965 int nid;
1966 int *type;
1967         {
1968         if (nid == NID_pkcs9_emailAddress)
1969                 *type=V_ASN1_IA5STRING;
1970         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1971                 *type=V_ASN1_T61STRING;
1972         if ((nid == NID_pkcs9_challengePassword) && (*type == V_ASN1_IA5STRING))
1973                 *type=V_ASN1_T61STRING;
1974         if ((nid == NID_pkcs9_unstructuredName) && (*type == V_ASN1_T61STRING))
1975                 return(0);
1976         if (nid == NID_pkcs9_unstructuredName)
1977                 *type=V_ASN1_IA5STRING;
1978         return(1);
1979         }
1980
1981
1982 static STACK *load_extensions(sec)
1983 char *sec;
1984         {
1985         STACK *ext;
1986         STACK *ret=NULL;
1987         CONF_VALUE *cv;
1988         ASN1_OCTET_STRING *str=NULL;
1989         ASN1_STRING *tmp=NULL;
1990         X509_EXTENSION *x;
1991         BIO *mem=NULL;
1992         BUF_MEM *buf=NULL;
1993         int i,nid,len;
1994         unsigned char *ptr;
1995         int pack_type;
1996         int data_type;
1997
1998         if ((ext=CONF_get_section(conf,sec)) == NULL)
1999                 {
2000                 BIO_printf(bio_err,"unable to find extension section called '%s'\n",sec);
2001                 return(NULL);
2002                 }
2003
2004         if ((ret=sk_new_null()) == NULL) return(NULL);
2005
2006         for (i=0; i<sk_num(ext); i++)
2007                 {
2008                 cv=(CONF_VALUE *)sk_value(ext,i); /* get the object id */
2009                 if ((nid=OBJ_txt2nid(cv->name)) == NID_undef)
2010                         {
2011                         BIO_printf(bio_err,"%s:unknown object type in section, '%s'\n",sec,cv->name);
2012                         goto err;
2013                         }
2014
2015                 pack_type=X509v3_pack_type_by_NID(nid);
2016                 data_type=X509v3_data_type_by_NID(nid);
2017
2018                 /* pack up the input bytes */
2019                 ptr=(unsigned char *)cv->value;
2020                 len=strlen((char *)ptr);
2021                 if ((len > 2) && (cv->value[0] == '0') &&
2022                         (cv->value[1] == 'x'))
2023                         {
2024                         if (data_type == V_ASN1_UNDEF)
2025                                 {
2026                                 BIO_printf(bio_err,"data type for extension %s is unknown\n",cv->name);
2027                                 goto err;
2028                                 }
2029                         if (mem == NULL)
2030                                 if ((mem=BIO_new(BIO_s_mem())) == NULL)
2031                                         goto err;
2032                         if (((buf=BUF_MEM_new()) == NULL) ||
2033                                 !BUF_MEM_grow(buf,128))
2034                                 goto err;
2035                         if ((tmp=ASN1_STRING_new()) == NULL) goto err;
2036
2037                         BIO_reset(mem);
2038                         BIO_write(mem,(char *)&(ptr[2]),len-2);
2039                         if (!a2i_ASN1_STRING(mem,tmp,buf->data,buf->max))
2040                                 goto err;
2041                         len=tmp->length;
2042                         ptr=tmp->data;
2043                         }
2044
2045                 switch (pack_type)
2046                         {
2047                 case X509_EXT_PACK_STRING:
2048                         if ((str=X509v3_pack_string(&str,
2049                                 data_type,ptr,len)) == NULL)
2050                                 goto err;
2051                         break;
2052                 case X509_EXT_PACK_UNKNOWN:
2053                 default:
2054                         BIO_printf(bio_err,"Don't know how to pack extension %s\n",cv->name);
2055                         goto err;
2056                         /* break; */
2057                         }
2058
2059                 if ((x=X509_EXTENSION_create_by_NID(NULL,nid,0,str)) == NULL)
2060                         goto err;
2061                 sk_push(ret,(char *)x);
2062                 }
2063
2064         if (0)
2065                 {
2066 err:
2067                 if (ret != NULL) sk_pop_free(ret,X509_EXTENSION_free);
2068                 ret=NULL;
2069                 }
2070         if (str != NULL) ASN1_OCTET_STRING_free(str);
2071         if (tmp != NULL) ASN1_STRING_free(tmp);
2072         if (buf != NULL) BUF_MEM_free(buf);
2073         if (mem != NULL) BIO_free(mem);
2074         return(ret);
2075         }
2076
2077 static int check_time_format(str)
2078 char *str;
2079         {
2080         ASN1_UTCTIME tm;
2081
2082         tm.data=(unsigned char *)str;
2083         tm.length=strlen(str);
2084         tm.type=V_ASN1_UTCTIME;
2085         return(ASN1_UTCTIME_check(&tm));
2086         }
2087