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[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         in=BIO_new(BIO_s_file());
435         out=BIO_new(BIO_s_file());
436         Sout=BIO_new(BIO_s_file());
437         Cout=BIO_new(BIO_s_file());
438         if ((in == NULL) || (out == NULL) || (Sout == NULL) || (Cout == NULL))
439                 {
440                 ERR_print_errors(bio_err);
441                 goto err;
442                 }
443
444         /*****************************************************************/
445         /* we definitly need an public key, so lets get it */
446
447         if ((keyfile == NULL) && ((keyfile=CONF_get_string(conf,
448                 section,ENV_PRIVATE_KEY)) == NULL))
449                 {
450                 lookup_fail(section,ENV_PRIVATE_KEY);
451                 goto err;
452                 }
453         if (BIO_read_filename(in,keyfile) <= 0)
454                 {
455                 perror(keyfile);
456                 BIO_printf(bio_err,"trying to load CA private key\n");
457                 goto err;
458                 }
459         if (key == NULL)
460                 pkey=PEM_read_bio_PrivateKey(in,NULL,NULL);
461         else
462                 {
463                 pkey=PEM_read_bio_PrivateKey(in,NULL,key_callback);
464                 memset(key,0,strlen(key));
465                 }
466         if (pkey == NULL)
467                 {
468                 BIO_printf(bio_err,"unable to load CA private key\n");
469                 goto err;
470                 }
471
472         /*****************************************************************/
473         /* we need a certificate */
474         if ((certfile == NULL) && ((certfile=CONF_get_string(conf,
475                 section,ENV_CERTIFICATE)) == NULL))
476                 {
477                 lookup_fail(section,ENV_CERTIFICATE);
478                 goto err;
479                 }
480         if (BIO_read_filename(in,certfile) <= 0)
481                 {
482                 perror(certfile);
483                 BIO_printf(bio_err,"trying to load CA certificate\n");
484                 goto err;
485                 }
486         x509=PEM_read_bio_X509(in,NULL,NULL);
487         if (x509 == NULL)
488                 {
489                 BIO_printf(bio_err,"unable to load CA certificate\n");
490                 goto err;
491                 }
492
493         f=CONF_get_string(conf,BASE_SECTION,ENV_PRESERVE);
494         if ((f != NULL) && ((*f == 'y') || (*f == 'Y')))
495                 preserve=1;
496         f=CONF_get_string(conf,BASE_SECTION,ENV_MSIE_HACK);
497         if ((f != NULL) && ((*f == 'y') || (*f == 'Y')))
498                 msie_hack=1;
499
500         /*****************************************************************/
501         /* lookup where to write new certificates */
502         if ((outdir == NULL) && (req))
503                 {
504                 struct stat sb;
505
506                 if ((outdir=CONF_get_string(conf,section,ENV_NEW_CERTS_DIR))
507                         == NULL)
508                         {
509                         BIO_printf(bio_err,"there needs to be defined a directory for new certificate to be placed in\n");
510                         goto err;
511                         }
512                 if (access(outdir,R_OK|W_OK|X_OK) != 0)
513                         {
514                         BIO_printf(bio_err,"I am unable to acces the %s directory\n",outdir);
515                         perror(outdir);
516                         goto err;
517                         }
518
519                 if (stat(outdir,&sb) != 0)
520                         {
521                         BIO_printf(bio_err,"unable to stat(%s)\n",outdir);
522                         perror(outdir);
523                         goto err;
524                         }
525                 if (!(sb.st_mode & S_IFDIR))
526                         {
527                         BIO_printf(bio_err,"%s need to be a directory\n",outdir);
528                         perror(outdir);
529                         goto err;
530                         }
531                 }
532
533         /*****************************************************************/
534         /* we need to load the database file */
535         if ((dbfile=CONF_get_string(conf,section,ENV_DATABASE)) == NULL)
536                 {
537                 lookup_fail(section,ENV_DATABASE);
538                 goto err;
539                 }
540         if (BIO_read_filename(in,dbfile) <= 0)
541                 {
542                 perror(dbfile);
543                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
544                 goto err;
545                 }
546         db=TXT_DB_read(in,DB_NUMBER);
547         if (db == NULL) goto err;
548
549         /* Lets check some fields */
550         for (i=0; i<sk_num(db->data); i++)
551                 {
552                 pp=(char **)sk_value(db->data,i);
553                 if ((pp[DB_type][0] != DB_TYPE_REV) &&
554                         (pp[DB_rev_date][0] != '\0'))
555                         {
556                         BIO_printf(bio_err,"entry %d: not, revoked yet has a revokation date\n",i+1);
557                         goto err;
558                         }
559                 if ((pp[DB_type][0] == DB_TYPE_REV) &&
560                         !check_time_format(pp[DB_rev_date]))
561                         {
562                         BIO_printf(bio_err,"entry %d: invalid revokation date\n",
563                                 i+1);
564                         goto err;
565                         }
566                 if (!check_time_format(pp[DB_exp_date]))
567                         {
568                         BIO_printf(bio_err,"entry %d: invalid expiry date\n",i+1);
569                         goto err;
570                         }
571                 p=pp[DB_serial];
572                 j=strlen(p);
573                 if ((j&1) || (j < 2))
574                         {
575                         BIO_printf(bio_err,"entry %d: bad serial number length (%d)\n",i+1,j);
576                         goto err;
577                         }
578                 while (*p)
579                         {
580                         if (!(  ((*p >= '0') && (*p <= '9')) ||
581                                 ((*p >= 'A') && (*p <= 'F')) ||
582                                 ((*p >= 'a') && (*p <= 'f')))  )
583                                 {
584                                 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);
585                                 goto err;
586                                 }
587                         p++;
588                         }
589                 }
590         if (verbose)
591                 {
592                 BIO_set_fp(out,stdout,BIO_NOCLOSE|BIO_FP_TEXT); /* cannot fail */
593                 TXT_DB_write(out,db);
594                 BIO_printf(bio_err,"%d entries loaded from the database\n",
595                         db->data->num);
596                 BIO_printf(bio_err,"generating indexs\n");
597                 }
598         
599         if (!TXT_DB_create_index(db,DB_serial,NULL,index_serial_hash,
600                 index_serial_cmp))
601                 {
602                 BIO_printf(bio_err,"error creating serial number index:(%ld,%ld,%ld)\n",db->error,db->arg1,db->arg2);
603                 goto err;
604                 }
605
606         if (!TXT_DB_create_index(db,DB_name,index_name_qual,index_name_hash,
607                 index_name_cmp))
608                 {
609                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
610                         db->error,db->arg1,db->arg2);
611                 goto err;
612                 }
613
614         /*****************************************************************/
615         if (req || gencrl)
616                 {
617                 if (outfile != NULL)
618                         {
619
620                         if (BIO_write_filename(Sout,outfile) <= 0)
621                                 {
622                                 perror(outfile);
623                                 goto err;
624                                 }
625                         }
626                 else
627                         BIO_set_fp(Sout,stdout,BIO_NOCLOSE|BIO_FP_TEXT);
628                 }
629
630         if (req)
631                 {
632                 if ((md == NULL) && ((md=CONF_get_string(conf,
633                         section,ENV_DEFAULT_MD)) == NULL))
634                         {
635                         lookup_fail(section,ENV_DEFAULT_MD);
636                         goto err;
637                         }
638                 if ((dgst=EVP_get_digestbyname(md)) == NULL)
639                         {
640                         BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);
641                         goto err;
642                         }
643                 if (verbose)
644                         BIO_printf(bio_err,"message digest is %s\n",
645                                 OBJ_nid2ln(dgst->type));
646                 if ((policy == NULL) && ((policy=CONF_get_string(conf,
647                         section,ENV_POLICY)) == NULL))
648                         {
649                         lookup_fail(section,ENV_POLICY);
650                         goto err;
651                         }
652                 if (verbose)
653                         BIO_printf(bio_err,"policy is %s\n",policy);
654
655                 if ((serialfile=CONF_get_string(conf,section,ENV_SERIAL))
656                         == NULL)
657                         {
658                         lookup_fail(section,ENV_SERIAL);
659                         goto err;
660                         }
661
662                 if ((extensions=CONF_get_string(conf,section,ENV_EXTENSIONS))
663                         != NULL)
664                         {
665                         if ((extensions_sk=load_extensions(extensions)) == NULL)
666                                 goto err;
667                         }
668
669                 if (startdate == NULL)
670                         {
671                         startdate=(char *)CONF_get_string(conf,section,
672                                 ENV_DEFAULT_STARTDATE);
673                         if (startdate == NULL)
674                                 startdate="today";
675                         else
676                                 {
677                                 if (!ASN1_UTCTIME_set_string(NULL,startdate))
678                                         {
679                                         BIO_printf(bio_err,"start date is invalid, it should be YYMMDDHHMMSS\n");
680                                         goto err;
681                                         }
682                                 }
683                         }
684
685                 if (days == 0)
686                         {
687                         days=(int)CONF_get_number(conf,section,
688                                 ENV_DEFAULT_DAYS);
689                         }
690                 if (days == 0)
691                         {
692                         BIO_printf(bio_err,"cannot lookup how many days to certify for\n");
693                         goto err;
694                         }
695
696                 if ((serial=load_serial(serialfile)) == NULL)
697                         {
698                         BIO_printf(bio_err,"error while loading serial number\n");
699                         goto err;
700                         }
701                 if (verbose)
702                         {
703                         if ((f=BN_bn2ascii(serial)) == NULL) goto err;
704                         BIO_printf(bio_err,"next serial number is %s\n",f);
705                         Free(f);
706                         }
707
708                 if ((attribs=CONF_get_section(conf,policy)) == NULL)
709                         {
710                         BIO_printf(bio_err,"unable to find 'section' for %s\n",policy);
711                         goto err;
712                         }
713
714                 if ((cert_sk=sk_new_null()) == NULL)
715                         {
716                         BIO_printf(bio_err,"Malloc failure\n");
717                         goto err;
718                         }
719                 if (spkac_file != NULL)
720                         {
721                         total++;
722                         j=certify_spkac(&x,spkac_file,pkey,x509,dgst,attribs,db,
723                                 serial,startdate,days,extensions_sk,verbose);
724                         if (j < 0) goto err;
725                         if (j > 0)
726                                 {
727                                 total_done++;
728                                 BIO_printf(bio_err,"\n");
729                                 if (!BN_add_word(serial,1)) goto err;
730                                 if (!sk_push(cert_sk,(char *)x))
731                                         {
732                                         BIO_printf(bio_err,"Malloc failure\n");
733                                         goto err;
734                                         }
735                                 if (outfile)
736                                         {
737                                         output_der = 1;
738                                         batch = 1;
739                                         }
740                                 }
741                         }
742                 if (ss_cert_file != NULL)
743                         {
744                         total++;
745                         j=certify_cert(&x,ss_cert_file,pkey,x509,dgst,attribs,
746                                 db,serial,startdate,days,batch,
747                                 extensions_sk,verbose);
748                         if (j < 0) goto err;
749                         if (j > 0)
750                                 {
751                                 total_done++;
752                                 BIO_printf(bio_err,"\n");
753                                 if (!BN_add_word(serial,1)) goto err;
754                                 if (!sk_push(cert_sk,(char *)x))
755                                         {
756                                         BIO_printf(bio_err,"Malloc failure\n");
757                                         goto err;
758                                         }
759                                 }
760                         }
761                 if (infile != NULL)
762                         {
763                         total++;
764                         j=certify(&x,infile,pkey,x509,dgst,attribs,db,
765                                 serial,startdate,days,batch,
766                                 extensions_sk,verbose);
767                         if (j < 0) goto err;
768                         if (j > 0)
769                                 {
770                                 total_done++;
771                                 BIO_printf(bio_err,"\n");
772                                 if (!BN_add_word(serial,1)) goto err;
773                                 if (!sk_push(cert_sk,(char *)x))
774                                         {
775                                         BIO_printf(bio_err,"Malloc failure\n");
776                                         goto err;
777                                         }
778                                 }
779                         }
780                 for (i=0; i<argc; i++)
781                         {
782                         total++;
783                         j=certify(&x,argv[i],pkey,x509,dgst,attribs,db,
784                                 serial,startdate,days,batch,
785                                 extensions_sk,verbose);
786                         if (j < 0) goto err;
787                         if (j > 0)
788                                 {
789                                 total_done++;
790                                 BIO_printf(bio_err,"\n");
791                                 if (!BN_add_word(serial,1)) goto err;
792                                 if (!sk_push(cert_sk,(char *)x))
793                                         {
794                                         BIO_printf(bio_err,"Malloc failure\n");
795                                         goto err;
796                                         }
797                                 }
798                         }       
799                 /* we have a stack of newly certified certificates
800                  * and a data base and serial number that need
801                  * updating */
802
803                 if (sk_num(cert_sk) > 0)
804                         {
805                         if (!batch)
806                                 {
807                                 BIO_printf(bio_err,"\n%d out of %d certificate requests certified, commit? [y/n]",total_done,total);
808                                 BIO_flush(bio_err);
809                                 buf[0][0]='\0';
810                                 fgets(buf[0],10,stdin);
811                                 if ((buf[0][0] != 'y') && (buf[0][0] != 'Y'))
812                                         {
813                                         BIO_printf(bio_err,"CERTIFICATION CANCELED\n"); 
814                                         ret=0;
815                                         goto err;
816                                         }
817                                 }
818
819                         BIO_printf(bio_err,"Write out database with %d new entries\n",sk_num(cert_sk));
820
821                         strncpy(buf[0],serialfile,BSIZE-4);
822                         strcat(buf[0],".new");
823
824                         if (!save_serial(buf[0],serial)) goto err;
825
826                         strncpy(buf[1],dbfile,BSIZE-4);
827                         strcat(buf[1],".new");
828                         if (BIO_write_filename(out,buf[1]) <= 0)
829                                 {
830                                 perror(dbfile);
831                                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
832                                 goto err;
833                                 }
834                         l=TXT_DB_write(out,db);
835                         if (l <= 0) goto err;
836                         }
837         
838                 if (verbose)
839                         BIO_printf(bio_err,"writing new certificates\n");
840                 for (i=0; i<sk_num(cert_sk); i++)
841                         {
842                         int k;
843                         unsigned char *n;
844
845                         x=(X509 *)sk_value(cert_sk,i);
846
847                         j=x->cert_info->serialNumber->length;
848                         p=(char *)x->cert_info->serialNumber->data;
849                         
850                         strncpy(buf[2],outdir,BSIZE-(j*2)-6);
851                         strcat(buf[2],"/");
852                         n=(unsigned char *)&(buf[2][strlen(buf[2])]);
853                         if (j > 0)
854                                 {
855                                 for (k=0; k<j; k++)
856                                         {
857                                         sprintf((char *)n,"%02X",(unsigned char)*(p++));
858                                         n+=2;
859                                         }
860                                 }
861                         else
862                                 {
863                                 *(n++)='0';
864                                 *(n++)='0';
865                                 }
866                         *(n++)='.'; *(n++)='p'; *(n++)='e'; *(n++)='m';
867                         *n='\0';
868                         if (verbose)
869                                 BIO_printf(bio_err,"writing %s\n",buf[2]);
870
871                         if (BIO_write_filename(Cout,buf[2]) <= 0)
872                                 {
873                                 perror(buf[2]);
874                                 goto err;
875                                 }
876                         write_new_certificate(Cout,x, 0);
877                         write_new_certificate(Sout,x, output_der);
878                         }
879
880                 if (sk_num(cert_sk))
881                         {
882                         /* Rename the database and the serial file */
883                         strncpy(buf[2],serialfile,BSIZE-4);
884                         strcat(buf[2],".old");
885                         BIO_free(in);
886                         BIO_free(out);
887                         in=NULL;
888                         out=NULL;
889                         if (rename(serialfile,buf[2]) < 0)
890                                 {
891                                 BIO_printf(bio_err,"unabel to rename %s to %s\n",
892                                         serialfile,buf[2]);
893                                 perror("reason");
894                                 goto err;
895                                 }
896                         if (rename(buf[0],serialfile) < 0)
897                                 {
898                                 BIO_printf(bio_err,"unabel to rename %s to %s\n",
899                                         buf[0],serialfile);
900                                 perror("reason");
901                                 rename(buf[2],serialfile);
902                                 goto err;
903                                 }
904
905                         strncpy(buf[2],dbfile,BSIZE-4);
906                         strcat(buf[2],".old");
907                         if (rename(dbfile,buf[2]) < 0)
908                                 {
909                                 BIO_printf(bio_err,"unabel to rename %s to %s\n",
910                                         dbfile,buf[2]);
911                                 perror("reason");
912                                 goto err;
913                                 }
914                         if (rename(buf[1],dbfile) < 0)
915                                 {
916                                 BIO_printf(bio_err,"unabel to rename %s to %s\n",
917                                         buf[1],dbfile);
918                                 perror("reason");
919                                 rename(buf[2],dbfile);
920                                 goto err;
921                                 }
922                         BIO_printf(bio_err,"Data Base Updated\n");
923                         }
924                 }
925         
926         /*****************************************************************/
927         if (gencrl)
928                 {
929                 if ((hex=BIO_new(BIO_s_mem())) == NULL) goto err;
930
931                 if (!crldays && !crlhours)
932                         {
933                         crldays=CONF_get_number(conf,section,
934                                 ENV_DEFAULT_CRL_DAYS);
935                         crlhours=CONF_get_number(conf,section,
936                                 ENV_DEFAULT_CRL_HOURS);
937                         }
938                 if ((crldays == 0) && (crlhours == 0))
939                         {
940                         BIO_printf(bio_err,"cannot lookup how long until the next CRL is issuer\n");
941                         goto err;
942                         }
943
944                 if (verbose) BIO_printf(bio_err,"making CRL\n");
945                 if ((crl=X509_CRL_new()) == NULL) goto err;
946                 ci=crl->crl;
947                 X509_NAME_free(ci->issuer);
948                 ci->issuer=X509_NAME_dup(x509->cert_info->subject);
949                 if (ci->issuer == NULL) goto err;
950
951                 X509_gmtime_adj(ci->lastUpdate,0);
952                 if (ci->nextUpdate == NULL)
953                         ci->nextUpdate=ASN1_UTCTIME_new();
954                 X509_gmtime_adj(ci->nextUpdate,(crldays*24+crlhours)*60*60);
955
956                 for (i=0; i<sk_num(db->data); i++)
957                         {
958                         pp=(char **)sk_value(db->data,i);
959                         if (pp[DB_type][0] == DB_TYPE_REV)
960                                 {
961                                 if ((r=X509_REVOKED_new()) == NULL) goto err;
962                                 ASN1_STRING_set((ASN1_STRING *)
963                                         r->revocationDate,
964                                         (unsigned char *)pp[DB_rev_date],
965                                         strlen(pp[DB_rev_date]));
966                                 /* strcpy(r->revocationDate,pp[DB_rev_date]);*/
967
968                                 BIO_reset(hex);
969                                 if (!BIO_puts(hex,pp[DB_serial]))
970                                         goto err;
971                                 if (!a2i_ASN1_INTEGER(hex,r->serialNumber,
972                                         buf[0],BSIZE)) goto err;
973
974                                 sk_push(ci->revoked,(char *)r);
975                                 }
976                         }
977                 /* sort the data so it will be written in serial
978                  * number order */
979                 sk_find(ci->revoked,NULL);
980                 for (i=0; i<sk_num(ci->revoked); i++)
981                         {
982                         r=(X509_REVOKED *)sk_value(ci->revoked,i);
983                         r->sequence=i;
984                         }
985
986                 /* we how have a CRL */
987                 if (verbose) BIO_printf(bio_err,"signing CRL\n");
988                 if (md != NULL)
989                         {
990                         if ((dgst=EVP_get_digestbyname(md)) == NULL)
991                                 {
992                                 BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);
993                                 goto err;
994                                 }
995                         }
996                 else
997                         dgst=EVP_md5();
998                 if (!X509_CRL_sign(crl,pkey,dgst)) goto err;
999
1000                 PEM_write_bio_X509_CRL(Sout,crl);
1001                 }
1002         /*****************************************************************/
1003         ret=0;
1004 err:
1005         if (hex != NULL) BIO_free(hex);
1006         if (Cout != NULL) BIO_free(Cout);
1007         if (Sout != NULL) BIO_free(Sout);
1008         if (out != NULL) BIO_free(out);
1009         if (in != NULL) BIO_free(in);
1010
1011         if (cert_sk != NULL) sk_pop_free(cert_sk,X509_free);
1012         if (extensions_sk != NULL)
1013                 sk_pop_free(extensions_sk,X509_EXTENSION_free);
1014
1015         if (ret) ERR_print_errors(bio_err);
1016         if (serial != NULL) BN_free(serial);
1017         if (db != NULL) TXT_DB_free(db);
1018         if (pkey != NULL) EVP_PKEY_free(pkey);
1019         if (x509 != NULL) X509_free(x509);
1020         if (crl != NULL) X509_CRL_free(crl);
1021         if (conf != NULL) CONF_free(conf);
1022         X509v3_cleanup_extensions();
1023         EXIT(ret);
1024         }
1025
1026 static void lookup_fail(name,tag)
1027 char *name;
1028 char *tag;
1029         {
1030         BIO_printf(bio_err,"variable lookup failed for %s::%s\n",name,tag);
1031         }
1032
1033 static int MS_CALLBACK key_callback(buf,len,verify)
1034 char *buf;
1035 int len,verify;
1036         {
1037         int i;
1038
1039         if (key == NULL) return(0);
1040         i=strlen(key);
1041         i=(i > len)?len:i;
1042         memcpy(buf,key,i);
1043         return(i);
1044         }
1045
1046 static unsigned long index_serial_hash(a)
1047 char **a;
1048         {
1049         char *n;
1050
1051         n=a[DB_serial];
1052         while (*n == '0') n++;
1053         return(lh_strhash(n));
1054         }
1055
1056 static int index_serial_cmp(a,b)
1057 char **a;
1058 char **b;
1059         {
1060         char *aa,*bb;
1061
1062         for (aa=a[DB_serial]; *aa == '0'; aa++);
1063         for (bb=b[DB_serial]; *bb == '0'; bb++);
1064         return(strcmp(aa,bb));
1065         }
1066
1067 static unsigned long index_name_hash(a)
1068 char **a;
1069         { return(lh_strhash(a[DB_name])); }
1070
1071 static int index_name_qual(a)
1072 char **a;
1073         { return(a[0][0] == 'V'); }
1074
1075 static int index_name_cmp(a,b)
1076 char **a;
1077 char **b;
1078         { return(strcmp(a[DB_name],b[DB_name])); }
1079
1080 static BIGNUM *load_serial(serialfile)
1081 char *serialfile;
1082         {
1083         BIO *in=NULL;
1084         BIGNUM *ret=NULL;
1085         MS_STATIC char buf[1024];
1086         ASN1_INTEGER *ai=NULL;
1087
1088         if ((in=BIO_new(BIO_s_file())) == NULL)
1089                 {
1090                 ERR_print_errors(bio_err);
1091                 goto err;
1092                 }
1093
1094         if (BIO_read_filename(in,serialfile) <= 0)
1095                 {
1096                 perror(serialfile);
1097                 goto err;
1098                 }
1099         ai=ASN1_INTEGER_new();
1100         if (ai == NULL) goto err;
1101         if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1102                 {
1103                 BIO_printf(bio_err,"unable to load number from %s\n",
1104                         serialfile);
1105                 goto err;
1106                 }
1107         ret=ASN1_INTEGER_to_BN(ai,NULL);
1108         if (ret == NULL)
1109                 {
1110                 BIO_printf(bio_err,"error converting number from bin to BIGNUM");
1111                 goto err;
1112                 }
1113 err:
1114         if (in != NULL) BIO_free(in);
1115         if (ai != NULL) ASN1_INTEGER_free(ai);
1116         return(ret);
1117         }
1118
1119 static int save_serial(serialfile,serial)
1120 char *serialfile;
1121 BIGNUM *serial;
1122         {
1123         BIO *out;
1124         int ret=0;
1125         ASN1_INTEGER *ai=NULL;
1126
1127         out=BIO_new(BIO_s_file());
1128         if (out == NULL)
1129                 {
1130                 ERR_print_errors(bio_err);
1131                 goto err;
1132                 }
1133         if (BIO_write_filename(out,serialfile) <= 0)
1134                 {
1135                 perror(serialfile);
1136                 goto err;
1137                 }
1138
1139         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1140                 {
1141                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1142                 goto err;
1143                 }
1144         i2a_ASN1_INTEGER(out,ai);
1145         BIO_puts(out,"\n");
1146         ret=1;
1147 err:
1148         if (out != NULL) BIO_free(out);
1149         if (ai != NULL) ASN1_INTEGER_free(ai);
1150         return(ret);
1151         }
1152
1153 static int certify(xret,infile,pkey,x509,dgst,policy,db,serial,startdate,days,
1154         batch,extensions,verbose)
1155 X509 **xret;
1156 char *infile;
1157 EVP_PKEY *pkey;
1158 X509 *x509;
1159 EVP_MD *dgst;
1160 STACK *policy;
1161 TXT_DB *db;
1162 BIGNUM *serial;
1163 char *startdate;
1164 int days;
1165 int batch;
1166 STACK *extensions;
1167 int verbose;
1168         {
1169         X509_REQ *req=NULL;
1170         BIO *in=NULL;
1171         EVP_PKEY *pktmp=NULL;
1172         int ok= -1,i;
1173
1174         in=BIO_new(BIO_s_file());
1175
1176         if (BIO_read_filename(in,infile) <= 0)
1177                 {
1178                 perror(infile);
1179                 goto err;
1180                 }
1181         if ((req=PEM_read_bio_X509_REQ(in,NULL,NULL)) == NULL)
1182                 {
1183                 BIO_printf(bio_err,"Error reading certificate request in %s\n",
1184                         infile);
1185                 goto err;
1186                 }
1187         if (verbose)
1188                 X509_REQ_print(bio_err,req);
1189
1190         BIO_printf(bio_err,"Check that the request matches the signature\n");
1191
1192         if ((pktmp=X509_REQ_get_pubkey(req)) == NULL)
1193                 {
1194                 BIO_printf(bio_err,"error unpacking public key\n");
1195                 goto err;
1196                 }
1197         i=X509_REQ_verify(req,pktmp);
1198         if (i < 0)
1199                 {
1200                 ok=0;
1201                 BIO_printf(bio_err,"Signature verification problems....\n");
1202                 goto err;
1203                 }
1204         if (i == 0)
1205                 {
1206                 ok=0;
1207                 BIO_printf(bio_err,"Signature did not match the certificate request\n");
1208                 goto err;
1209                 }
1210         else
1211                 BIO_printf(bio_err,"Signature ok\n");
1212
1213         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,
1214                 days,batch,verbose,req,extensions);
1215
1216 err:
1217         if (req != NULL) X509_REQ_free(req);
1218         if (in != NULL) BIO_free(in);
1219         return(ok);
1220         }
1221
1222 static int certify_cert(xret,infile,pkey,x509,dgst,policy,db,serial,startdate,
1223         days, batch,extensions,verbose)
1224 X509 **xret;
1225 char *infile;
1226 EVP_PKEY *pkey;
1227 X509 *x509;
1228 EVP_MD *dgst;
1229 STACK *policy;
1230 TXT_DB *db;
1231 BIGNUM *serial;
1232 char *startdate;
1233 int days;
1234 int batch;
1235 STACK *extensions;
1236 int verbose;
1237         {
1238         X509 *req=NULL;
1239         X509_REQ *rreq=NULL;
1240         BIO *in=NULL;
1241         EVP_PKEY *pktmp=NULL;
1242         int ok= -1,i;
1243
1244         in=BIO_new(BIO_s_file());
1245
1246         if (BIO_read_filename(in,infile) <= 0)
1247                 {
1248                 perror(infile);
1249                 goto err;
1250                 }
1251         if ((req=PEM_read_bio_X509(in,NULL,NULL)) == NULL)
1252                 {
1253                 BIO_printf(bio_err,"Error reading self signed certificate in %s\n",infile);
1254                 goto err;
1255                 }
1256         if (verbose)
1257                 X509_print(bio_err,req);
1258
1259         BIO_printf(bio_err,"Check that the request matches the signature\n");
1260
1261         if ((pktmp=X509_get_pubkey(req)) == NULL)
1262                 {
1263                 BIO_printf(bio_err,"error unpacking public key\n");
1264                 goto err;
1265                 }
1266         i=X509_verify(req,pktmp);
1267         if (i < 0)
1268                 {
1269                 ok=0;
1270                 BIO_printf(bio_err,"Signature verification problems....\n");
1271                 goto err;
1272                 }
1273         if (i == 0)
1274                 {
1275                 ok=0;
1276                 BIO_printf(bio_err,"Signature did not match the certificate request\n");
1277                 goto err;
1278                 }
1279         else
1280                 BIO_printf(bio_err,"Signature ok\n");
1281
1282         if ((rreq=X509_to_X509_REQ(req,NULL,EVP_md5())) == NULL)
1283                 goto err;
1284
1285         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,days,
1286                 batch,verbose,rreq,extensions);
1287
1288 err:
1289         if (rreq != NULL) X509_REQ_free(rreq);
1290         if (req != NULL) X509_free(req);
1291         if (in != NULL) BIO_free(in);
1292         return(ok);
1293         }
1294
1295 static int do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,days,
1296         batch,verbose,req, extensions)
1297 X509 **xret;
1298 EVP_PKEY *pkey;
1299 X509 *x509;
1300 EVP_MD *dgst;
1301 STACK *policy;
1302 TXT_DB *db;
1303 BIGNUM *serial;
1304 char *startdate;
1305 int days;
1306 int batch;
1307 int verbose;
1308 X509_REQ *req;
1309 STACK *extensions;
1310         {
1311         X509_NAME *name=NULL,*CAname=NULL,*subject=NULL;
1312         ASN1_UTCTIME *tm,*tmptm;
1313         ASN1_STRING *str,*str2;
1314         ASN1_OBJECT *obj;
1315         X509 *ret=NULL;
1316         X509_CINF *ci;
1317         X509_NAME_ENTRY *ne;
1318         X509_NAME_ENTRY *tne,*push;
1319         X509_EXTENSION *ex=NULL;
1320         EVP_PKEY *pktmp;
1321         int ok= -1,i,j,last,nid;
1322         char *p;
1323         CONF_VALUE *cv;
1324         char *row[DB_NUMBER],**rrow,**irow=NULL;
1325         char buf[25],*pbuf;
1326
1327         tmptm=ASN1_UTCTIME_new();
1328         if (tmptm == NULL)
1329                 {
1330                 BIO_printf(bio_err,"malloc error\n");
1331                 return(0);
1332                 }
1333
1334         for (i=0; i<DB_NUMBER; i++)
1335                 row[i]=NULL;
1336
1337         BIO_printf(bio_err,"The Subjects Distinguished Name is as follows\n");
1338         name=X509_REQ_get_subject_name(req);
1339         for (i=0; i<X509_NAME_entry_count(name); i++)
1340                 {
1341                 ne=(X509_NAME_ENTRY *)X509_NAME_get_entry(name,i);
1342                 obj=X509_NAME_ENTRY_get_object(ne);
1343                 j=i2a_ASN1_OBJECT(bio_err,obj);
1344                 str=X509_NAME_ENTRY_get_data(ne);
1345                 pbuf=buf;
1346                 for (j=22-j; j>0; j--)
1347                         *(pbuf++)=' ';
1348                 *(pbuf++)=':';
1349                 *(pbuf++)='\0';
1350                 BIO_puts(bio_err,buf);
1351
1352                 if (msie_hack)
1353                         {
1354                         /* assume all type should be strings */
1355                         nid=OBJ_obj2nid(ne->object);
1356
1357                         if (str->type == V_ASN1_UNIVERSALSTRING)
1358                                 ASN1_UNIVERSALSTRING_to_string(str);
1359
1360                         if ((str->type == V_ASN1_IA5STRING) &&
1361                                 (nid != NID_pkcs9_emailAddress))
1362                                 str->type=V_ASN1_T61STRING;
1363
1364                         if ((nid == NID_pkcs9_emailAddress) &&
1365                                 (str->type == V_ASN1_PRINTABLESTRING))
1366                                 str->type=V_ASN1_IA5STRING;
1367                         }
1368
1369                 if (str->type == V_ASN1_PRINTABLESTRING)
1370                         BIO_printf(bio_err,"PRINTABLE:'");
1371                 else if (str->type == V_ASN1_T61STRING)
1372                         BIO_printf(bio_err,"T61STRING:'");
1373                 else if (str->type == V_ASN1_IA5STRING)
1374                         BIO_printf(bio_err,"IA5STRING:'");
1375                 else if (str->type == V_ASN1_UNIVERSALSTRING)
1376                         BIO_printf(bio_err,"UNIVERSALSTRING:'");
1377                 else
1378                         BIO_printf(bio_err,"ASN.1 %2d:'",str->type);
1379
1380                 /* check some things */
1381                 if ((OBJ_obj2nid(obj) == NID_pkcs9_emailAddress) &&
1382                         (str->type != V_ASN1_IA5STRING))
1383                         {
1384                         BIO_printf(bio_err,"\nemailAddress type needs to be of type IA5STRING\n");
1385                         goto err;
1386                         }
1387                 j=ASN1_PRINTABLE_type(str->data,str->length);
1388                 if (    ((j == V_ASN1_T61STRING) &&
1389                          (str->type != V_ASN1_T61STRING)) ||
1390                         ((j == V_ASN1_IA5STRING) &&
1391                          (str->type == V_ASN1_PRINTABLESTRING)))
1392                         {
1393                         BIO_printf(bio_err,"\nThe string contains characters that are illegal for the ASN.1 type\n");
1394                         goto err;
1395                         }
1396                         
1397                 p=(char *)str->data;
1398                 for (j=str->length; j>0; j--)
1399                         {
1400                         if ((*p >= ' ') && (*p <= '~'))
1401                                 BIO_printf(bio_err,"%c",*p);
1402                         else if (*p & 0x80)
1403                                 BIO_printf(bio_err,"\\0x%02X",*p);
1404                         else if ((unsigned char)*p == 0xf7)
1405                                 BIO_printf(bio_err,"^?");
1406                         else    BIO_printf(bio_err,"^%c",*p+'@');
1407                         p++;
1408                         }
1409                 BIO_printf(bio_err,"'\n");
1410                 }
1411
1412         /* Ok, now we check the 'policy' stuff. */
1413         if ((subject=X509_NAME_new()) == NULL)
1414                 {
1415                 BIO_printf(bio_err,"Malloc failure\n");
1416                 goto err;
1417                 }
1418
1419         /* take a copy of the issuer name before we mess with it. */
1420         CAname=X509_NAME_dup(x509->cert_info->subject);
1421         if (CAname == NULL) goto err;
1422         str=str2=NULL;
1423
1424         for (i=0; i<sk_num(policy); i++)
1425                 {
1426                 cv=(CONF_VALUE *)sk_value(policy,i); /* get the object id */
1427                 if ((j=OBJ_txt2nid(cv->name)) == NID_undef)
1428                         {
1429                         BIO_printf(bio_err,"%s:unknown object type in 'policy' configuration\n",cv->name);
1430                         goto err;
1431                         }
1432                 obj=OBJ_nid2obj(j);
1433
1434                 last= -1;
1435                 for (;;)
1436                         {
1437                         /* lookup the object in the supplied name list */
1438                         j=X509_NAME_get_index_by_OBJ(name,obj,last);
1439                         if (j < 0)
1440                                 {
1441                                 if (last != -1) break;
1442                                 tne=NULL;
1443                                 }
1444                         else
1445                                 {
1446                                 tne=X509_NAME_get_entry(name,j);
1447                                 }
1448                         last=j;
1449
1450                         /* depending on the 'policy', decide what to do. */
1451                         push=NULL;
1452                         if (strcmp(cv->value,"optional") == 0)
1453                                 {
1454                                 if (tne != NULL)
1455                                         push=tne;
1456                                 }
1457                         else if (strcmp(cv->value,"supplied") == 0)
1458                                 {
1459                                 if (tne == NULL)
1460                                         {
1461                                         BIO_printf(bio_err,"The %s field needed to be supplied and was missing\n",cv->name);
1462                                         goto err;
1463                                         }
1464                                 else
1465                                         push=tne;
1466                                 }
1467                         else if (strcmp(cv->value,"match") == 0)
1468                                 {
1469                                 int last2;
1470
1471                                 if (tne == NULL)
1472                                         {
1473                                         BIO_printf(bio_err,"The mandatory %s field was missing\n",cv->name);
1474                                         goto err;
1475                                         }
1476
1477                                 last2= -1;
1478
1479 again2:
1480                                 j=X509_NAME_get_index_by_OBJ(CAname,obj,last2);
1481                                 if ((j < 0) && (last2 == -1))
1482                                         {
1483                                         BIO_printf(bio_err,"The %s field does not exist in the CA certificate,\nthe 'policy' is misconfigured\n",cv->name);
1484                                         goto err;
1485                                         }
1486                                 if (j >= 0)
1487                                         {
1488                                         push=X509_NAME_get_entry(CAname,j);
1489                                         str=X509_NAME_ENTRY_get_data(tne);
1490                                         str2=X509_NAME_ENTRY_get_data(push);
1491                                         last2=j;
1492                                         if (ASN1_STRING_cmp(str,str2) != 0)
1493                                                 goto again2;
1494                                         }
1495                                 if (j < 0)
1496                                         {
1497                                         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));
1498                                         goto err;
1499                                         }
1500                                 }
1501                         else
1502                                 {
1503                                 BIO_printf(bio_err,"%s:invalid type in 'policy' configuration\n",cv->value);
1504                                 goto err;
1505                                 }
1506
1507                         if (push != NULL)
1508                                 {
1509                                 if (!X509_NAME_add_entry(subject,push,
1510                                         X509_NAME_entry_count(subject),0))
1511                                         {
1512                                         if (push != NULL)
1513                                                 X509_NAME_ENTRY_free(push);
1514                                         BIO_printf(bio_err,"Malloc failure\n");
1515                                         goto err;
1516                                         }
1517                                 }
1518                         if (j < 0) break;
1519                         }
1520                 }
1521
1522         if (preserve)
1523                 {
1524                 X509_NAME_free(subject);
1525                 subject=X509_NAME_dup(X509_REQ_get_subject_name(req));
1526                 if (subject == NULL) goto err;
1527                 }
1528
1529         if (verbose)
1530                 BIO_printf(bio_err,"The subject name apears to be ok, checking data base for clashes\n");
1531
1532         row[DB_name]=X509_NAME_oneline(subject,NULL,0);
1533         row[DB_serial]=BN_bn2ascii(serial);
1534         if ((row[DB_name] == NULL) || (row[DB_serial] == NULL))
1535                 {
1536                 BIO_printf(bio_err,"Malloc failure\n");
1537                 goto err;
1538                 }
1539
1540         rrow=TXT_DB_get_by_index(db,DB_name,row);
1541         if (rrow != NULL)
1542                 {
1543                 BIO_printf(bio_err,"ERROR:There is already a certificate for %s\n",
1544                         row[DB_name]);
1545                 }
1546         else
1547                 {
1548                 rrow=TXT_DB_get_by_index(db,DB_serial,row);
1549                 if (rrow != NULL)
1550                         {
1551                         BIO_printf(bio_err,"ERROR:Serial number %s has already been issued,\n",
1552                                 row[DB_serial]);
1553                         BIO_printf(bio_err,"      check the database/serial_file for corruption\n");
1554                         }
1555                 }
1556
1557         if (rrow != NULL)
1558                 {
1559                 BIO_printf(bio_err,
1560                         "The matching entry has the following details\n");
1561                 if (rrow[DB_type][0] == 'E')
1562                         p="Expired";
1563                 else if (rrow[DB_type][0] == 'R')
1564                         p="Revoked";
1565                 else if (rrow[DB_type][0] == 'V')
1566                         p="Valid";
1567                 else
1568                         p="\ninvalid type, Data base error\n";
1569                 BIO_printf(bio_err,"Type          :%s\n",p);;
1570                 if (rrow[DB_type][0] == 'R')
1571                         {
1572                         p=rrow[DB_exp_date]; if (p == NULL) p="undef";
1573                         BIO_printf(bio_err,"Was revoked on:%s\n",p);
1574                         }
1575                 p=rrow[DB_exp_date]; if (p == NULL) p="undef";
1576                 BIO_printf(bio_err,"Expires on    :%s\n",p);
1577                 p=rrow[DB_serial]; if (p == NULL) p="undef";
1578                 BIO_printf(bio_err,"Serial Number :%s\n",p);
1579                 p=rrow[DB_file]; if (p == NULL) p="undef";
1580                 BIO_printf(bio_err,"File name     :%s\n",p);
1581                 p=rrow[DB_name]; if (p == NULL) p="undef";
1582                 BIO_printf(bio_err,"Subject Name  :%s\n",p);
1583                 ok= -1; /* This is now a 'bad' error. */
1584                 goto err;
1585                 }
1586
1587         /* We are now totaly happy, lets make and sign the certificate */
1588         if (verbose)
1589                 BIO_printf(bio_err,"Everything appears to be ok, creating and signing the certificate\n");
1590
1591         if ((ret=X509_new()) == NULL) goto err;
1592         ci=ret->cert_info;
1593
1594 #ifdef X509_V3
1595         /* Make it an X509 v3 certificate. */
1596         if (!X509_set_version(x509,2)) goto err;
1597 #endif
1598
1599         if (BN_to_ASN1_INTEGER(serial,ci->serialNumber) == NULL)
1600                 goto err;
1601         if (!X509_set_issuer_name(ret,X509_get_subject_name(x509)))
1602                 goto err;
1603
1604         BIO_printf(bio_err,"Certificate is to be certified until ");
1605         if (strcmp(startdate,"today") == 0)
1606                 {
1607                 X509_gmtime_adj(X509_get_notBefore(ret),0);
1608                 X509_gmtime_adj(X509_get_notAfter(ret),(long)60*60*24*days);
1609                 }
1610         else
1611                 {
1612                 /*XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX*/
1613                 ASN1_UTCTIME_set_string(X509_get_notBefore(ret),startdate);
1614                 }
1615         ASN1_UTCTIME_print(bio_err,X509_get_notAfter(ret));
1616         BIO_printf(bio_err," (%d days)\n",days);
1617
1618         if (!X509_set_subject_name(ret,subject)) goto err;
1619
1620         pktmp=X509_REQ_get_pubkey(req);
1621         if (!X509_set_pubkey(ret,pktmp)) goto err;
1622
1623         /* Lets add the extensions, if there are any */
1624         if ((extensions != NULL) && (sk_num(extensions) > 0))
1625                 {
1626                 if (ci->version == NULL)
1627                         if ((ci->version=ASN1_INTEGER_new()) == NULL)
1628                                 goto err;
1629                 ASN1_INTEGER_set(ci->version,2); /* version 3 certificate */
1630
1631                 /* Free the current entries if any, there should not
1632                  * be any I belive */
1633                 if (ci->extensions != NULL)
1634                         sk_pop_free(ci->extensions,X509_EXTENSION_free);
1635
1636                 if ((ci->extensions=sk_new_null()) == NULL)
1637                         goto err;
1638
1639                 /* Lets 'copy' in the new ones */
1640                 for (i=0; i<sk_num(extensions); i++)
1641                         {
1642                         ex=X509_EXTENSION_dup((X509_EXTENSION *)
1643                                 sk_value(extensions,i));
1644                         if (ex == NULL) goto err;
1645                         if (!sk_push(ci->extensions,(char *)ex)) goto err;
1646                         }
1647                 }
1648
1649
1650         if (!batch)
1651                 {
1652                 BIO_printf(bio_err,"Sign the certificate? [y/n]:");
1653                 BIO_flush(bio_err);
1654                 buf[0]='\0';
1655                 fgets(buf,sizeof(buf)-1,stdin);
1656                 if (!((buf[0] == 'y') || (buf[0] == 'Y')))
1657                         {
1658                         BIO_printf(bio_err,"CERTIFICATE WILL NOT BE CERTIFIED\n");
1659                         ok=0;
1660                         goto err;
1661                         }
1662                 }
1663
1664 #ifndef NO_DSA
1665         pktmp=X509_get_pubkey(ret);
1666         if (EVP_PKEY_missing_parameters(pktmp) &&
1667                 !EVP_PKEY_missing_parameters(pkey))
1668                 EVP_PKEY_copy_parameters(pktmp,pkey);
1669 #endif
1670
1671         if (!X509_sign(ret,pkey,dgst))
1672                 goto err;
1673
1674         /* We now just add it to the database */
1675         row[DB_type]=(char *)Malloc(2);
1676
1677         tm=X509_get_notAfter(ret);
1678         row[DB_exp_date]=(char *)Malloc(tm->length+1);
1679         memcpy(row[DB_exp_date],tm->data,tm->length);
1680         row[DB_exp_date][tm->length]='\0';
1681
1682         row[DB_rev_date]=NULL;
1683
1684         /* row[DB_serial] done already */
1685         row[DB_file]=(char *)Malloc(8);
1686         /* row[DB_name] done already */
1687
1688         if ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||
1689                 (row[DB_file] == NULL))
1690                 {
1691                 BIO_printf(bio_err,"Malloc failure\n");
1692                 goto err;
1693                 }
1694         strcpy(row[DB_file],"unknown");
1695         row[DB_type][0]='V';
1696         row[DB_type][1]='\0';
1697
1698         if ((irow=(char **)Malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)
1699                 {
1700                 BIO_printf(bio_err,"Malloc failure\n");
1701                 goto err;
1702                 }
1703
1704         for (i=0; i<DB_NUMBER; i++)
1705                 {
1706                 irow[i]=row[i];
1707                 row[i]=NULL;
1708                 }
1709         irow[DB_NUMBER]=NULL;
1710
1711         if (!TXT_DB_insert(db,irow))
1712                 {
1713                 BIO_printf(bio_err,"failed to update database\n");
1714                 BIO_printf(bio_err,"TXT_DB error number %ld\n",db->error);
1715                 goto err;
1716                 }
1717         ok=1;
1718 err:
1719         for (i=0; i<DB_NUMBER; i++)
1720                 if (row[i] != NULL) Free(row[i]);
1721
1722         if (CAname != NULL)
1723                 X509_NAME_free(CAname);
1724         if (subject != NULL)
1725                 X509_NAME_free(subject);
1726         if (ok <= 0)
1727                 {
1728                 if (ret != NULL) X509_free(ret);
1729                 ret=NULL;
1730                 }
1731         else
1732                 *xret=ret;
1733         return(ok);
1734         }
1735
1736 static void write_new_certificate(bp,x, output_der)
1737 BIO *bp;
1738 X509 *x;
1739 int output_der;
1740         {
1741         char *f;
1742         char buf[256];
1743
1744         if (output_der)
1745                 {
1746                 (void)i2d_X509_bio(bp,x);
1747                 return;
1748                 }
1749
1750         f=X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
1751         BIO_printf(bp,"issuer :%s\n",f);
1752
1753         f=X509_NAME_oneline(X509_get_subject_name(x),buf,256);
1754         BIO_printf(bp,"subject:%s\n",f);
1755
1756         BIO_puts(bp,"serial :");
1757         i2a_ASN1_INTEGER(bp,x->cert_info->serialNumber);
1758         BIO_puts(bp,"\n\n");
1759         X509_print(bp,x);
1760         BIO_puts(bp,"\n");
1761         PEM_write_bio_X509(bp,x);
1762         BIO_puts(bp,"\n");
1763         }
1764
1765 static int certify_spkac(xret,infile,pkey,x509,dgst,policy,db,serial,
1766         startdate,days,extensions,verbose)
1767 X509 **xret;
1768 char *infile;
1769 EVP_PKEY *pkey;
1770 X509 *x509;
1771 EVP_MD *dgst;
1772 STACK *policy;
1773 TXT_DB *db;
1774 BIGNUM *serial;
1775 char *startdate;
1776 int days;
1777 STACK *extensions;
1778 int verbose;
1779         {
1780         STACK *sk=NULL;
1781         LHASH *parms=NULL;
1782         X509_REQ *req=NULL;
1783         CONF_VALUE *cv=NULL;
1784         NETSCAPE_SPKI *spki = NULL;
1785         unsigned char *spki_der = NULL,*p;
1786         X509_REQ_INFO *ri;
1787         char *type,*buf;
1788         EVP_PKEY *pktmp=NULL;
1789         X509_NAME *n=NULL;
1790         X509_NAME_ENTRY *ne=NULL;
1791         int ok= -1,i,j;
1792         long errline;
1793         int nid;
1794
1795         /*
1796          * Load input file into a hash table.  (This is just an easy
1797          * way to read and parse the file, then put it into a convenient
1798          * STACK format).
1799          */
1800         parms=CONF_load(NULL,infile,&errline);
1801         if (parms == NULL)
1802                 {
1803                 BIO_printf(bio_err,"error on line %ld of %s\n",errline,infile);
1804                 ERR_print_errors(bio_err);
1805                 goto err;
1806                 }
1807
1808         sk=CONF_get_section(parms, "default");
1809         if (sk_num(sk) == 0)
1810                 {
1811                 BIO_printf(bio_err, "no name/value pairs found in %s\n", infile);
1812                 CONF_free(parms);
1813                 goto err;
1814                 }
1815
1816         /*
1817          * Now create a dummy X509 request structure.  We don't actually
1818          * have an X509 request, but we have many of the components
1819          * (a public key, various DN components).  The idea is that we
1820          * put these components into the right X509 request structure
1821          * and we can use the same code as if you had a real X509 request.
1822          */
1823         req=X509_REQ_new();
1824         if (req == NULL)
1825                 {
1826                 ERR_print_errors(bio_err);
1827                 goto err;
1828                 }
1829
1830         /*
1831          * Build up the subject name set.
1832          */
1833         ri=req->req_info;
1834         n = ri->subject;
1835
1836         for (i = 0; ; i++)
1837                 {
1838                 if ((int)sk_num(sk) <= i) break;
1839
1840                 cv=(CONF_VALUE *)sk_value(sk,i);
1841                 type=cv->name;
1842                 buf=cv->value;
1843
1844                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1845                         {
1846                         if (strcmp(type, "SPKAC") == 0)
1847                                 {
1848                                 spki_der=(unsigned char *)Malloc(
1849                                         strlen(cv->value)+1);
1850                                 if (spki_der == NULL)
1851                                         {
1852                                         BIO_printf(bio_err,"Malloc failure\n");
1853                                         goto err;
1854                                         }
1855                                 j = EVP_DecodeBlock(spki_der, (unsigned char *)cv->value,
1856                                         strlen(cv->value));
1857                                 if (j <= 0)
1858                                         {
1859                                         BIO_printf(bio_err, "Can't b64 decode SPKAC structure\n");
1860                                         goto err;
1861                                         }
1862
1863                                 p=spki_der;
1864                                 spki = d2i_NETSCAPE_SPKI(&spki, &p, j);
1865                                 Free(spki_der);
1866                                 spki_der = NULL;
1867                                 if (spki == NULL)
1868                                         {
1869                                         BIO_printf(bio_err,"unable to load Netscape SPKAC structure\n");
1870                                         ERR_print_errors(bio_err);
1871                                         goto err;
1872                                         }
1873                                 }
1874                         continue;
1875                         }
1876
1877                 j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1878                 if (fix_data(nid, &j) == 0)
1879                         {
1880                         BIO_printf(bio_err,
1881                                 "invalid characters in string %s\n",buf);
1882                         goto err;
1883                         }
1884
1885                 if ((ne=X509_NAME_ENTRY_create_by_NID(&ne,nid,j,
1886                         (unsigned char *)buf,
1887                         strlen(buf))) == NULL)
1888                         goto err;
1889
1890                 if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
1891                         goto err;
1892                 }
1893         if (spki == NULL)
1894                 {
1895                 BIO_printf(bio_err,"Netscape SPKAC structure not found in %s\n",
1896                         infile);
1897                 goto err;
1898                 }
1899
1900         /*
1901          * Now extract the key from the SPKI structure.
1902          */
1903
1904         BIO_printf(bio_err,"Check that the SPKAC request matches the signature\n");
1905
1906         if ((pktmp=X509_PUBKEY_get(spki->spkac->pubkey)) == NULL)
1907                 {
1908                 BIO_printf(bio_err,"error unpacking SPKAC public key\n");
1909                 goto err;
1910                 }
1911
1912         j = NETSCAPE_SPKI_verify(spki, pktmp);
1913         if (j <= 0)
1914                 {
1915                 BIO_printf(bio_err,"signature verification failed on SPKAC public key\n");
1916                 goto err;
1917                 }
1918         BIO_printf(bio_err,"Signature ok\n");
1919
1920         X509_REQ_set_pubkey(req,pktmp);
1921         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,
1922                 days,1,verbose,req,extensions);
1923 err:
1924         if (req != NULL) X509_REQ_free(req);
1925         if (parms != NULL) CONF_free(parms);
1926         if (spki_der != NULL) Free(spki_der);
1927         if (spki != NULL) NETSCAPE_SPKI_free(spki);
1928         if (ne != NULL) X509_NAME_ENTRY_free(ne);
1929
1930         return(ok);
1931         }
1932
1933 static int fix_data(nid,type)
1934 int nid;
1935 int *type;
1936         {
1937         if (nid == NID_pkcs9_emailAddress)
1938                 *type=V_ASN1_IA5STRING;
1939         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1940                 *type=V_ASN1_T61STRING;
1941         if ((nid == NID_pkcs9_challengePassword) && (*type == V_ASN1_IA5STRING))
1942                 *type=V_ASN1_T61STRING;
1943         if ((nid == NID_pkcs9_unstructuredName) && (*type == V_ASN1_T61STRING))
1944                 return(0);
1945         if (nid == NID_pkcs9_unstructuredName)
1946                 *type=V_ASN1_IA5STRING;
1947         return(1);
1948         }
1949
1950
1951 static STACK *load_extensions(sec)
1952 char *sec;
1953         {
1954         STACK *ext;
1955         STACK *ret=NULL;
1956         CONF_VALUE *cv;
1957         ASN1_OCTET_STRING *str=NULL;
1958         ASN1_STRING *tmp=NULL;
1959         X509_EXTENSION *x;
1960         BIO *mem=NULL;
1961         BUF_MEM *buf=NULL;
1962         int i,nid,len;
1963         unsigned char *ptr;
1964         int pack_type;
1965         int data_type;
1966
1967         if ((ext=CONF_get_section(conf,sec)) == NULL)
1968                 {
1969                 BIO_printf(bio_err,"unable to find extension section called '%s'\n",sec);
1970                 return(NULL);
1971                 }
1972
1973         if ((ret=sk_new_null()) == NULL) return(NULL);
1974
1975         for (i=0; i<sk_num(ext); i++)
1976                 {
1977                 cv=(CONF_VALUE *)sk_value(ext,i); /* get the object id */
1978                 if ((nid=OBJ_txt2nid(cv->name)) == NID_undef)
1979                         {
1980                         BIO_printf(bio_err,"%s:unknown object type in section, '%s'\n",sec,cv->name);
1981                         goto err;
1982                         }
1983
1984                 pack_type=X509v3_pack_type_by_NID(nid);
1985                 data_type=X509v3_data_type_by_NID(nid);
1986
1987                 /* pack up the input bytes */
1988                 ptr=(unsigned char *)cv->value;
1989                 len=strlen((char *)ptr);
1990                 if ((len > 2) && (cv->value[0] == '0') &&
1991                         (cv->value[1] == 'x'))
1992                         {
1993                         if (data_type == V_ASN1_UNDEF)
1994                                 {
1995                                 BIO_printf(bio_err,"data type for extension %s is unknown\n",cv->name);
1996                                 goto err;
1997                                 }
1998                         if (mem == NULL)
1999                                 if ((mem=BIO_new(BIO_s_mem())) == NULL)
2000                                         goto err;
2001                         if (((buf=BUF_MEM_new()) == NULL) ||
2002                                 !BUF_MEM_grow(buf,128))
2003                                 goto err;
2004                         if ((tmp=ASN1_STRING_new()) == NULL) goto err;
2005
2006                         BIO_reset(mem);
2007                         BIO_write(mem,(char *)&(ptr[2]),len-2);
2008                         if (!a2i_ASN1_STRING(mem,tmp,buf->data,buf->max))
2009                                 goto err;
2010                         len=tmp->length;
2011                         ptr=tmp->data;
2012                         }
2013
2014                 switch (pack_type)
2015                         {
2016                 case X509_EXT_PACK_STRING:
2017                         if ((str=X509v3_pack_string(&str,
2018                                 data_type,ptr,len)) == NULL)
2019                                 goto err;
2020                         break;
2021                 case X509_EXT_PACK_UNKNOWN:
2022                 default:
2023                         BIO_printf(bio_err,"Don't know how to pack extension %s\n",cv->name);
2024                         goto err;
2025                         break;
2026                         }
2027
2028                 if ((x=X509_EXTENSION_create_by_NID(NULL,nid,0,str)) == NULL)
2029                         goto err;
2030                 sk_push(ret,(char *)x);
2031                 }
2032
2033         if (0)
2034                 {
2035 err:
2036                 if (ret != NULL) sk_pop_free(ret,X509_EXTENSION_free);
2037                 ret=NULL;
2038                 }
2039         if (str != NULL) ASN1_OCTET_STRING_free(str);
2040         if (tmp != NULL) ASN1_STRING_free(tmp);
2041         if (buf != NULL) BUF_MEM_free(buf);
2042         if (mem != NULL) BIO_free(mem);
2043         return(ret);
2044         }
2045
2046 static int check_time_format(str)
2047 char *str;
2048         {
2049         ASN1_UTCTIME tm;
2050
2051         tm.data=(unsigned char *)str;
2052         tm.length=strlen(str);
2053         tm.type=V_ASN1_UTCTIME;
2054         return(ASN1_UTCTIME_check(&tm));
2055         }
2056