Move DSA test in ca.c inside #ifdef and make pubkey BIT STRING always have
[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 now 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 #ifndef NO_DSA
1028                 if (pkey->type == EVP_PKEY_DSA) 
1029                     dgst = EVP_dss1() ;
1030 #endif
1031                 if (!X509_CRL_sign(crl,pkey,dgst)) goto err;
1032
1033                 PEM_write_bio_X509_CRL(Sout,crl);
1034                 }
1035         /*****************************************************************/
1036         ret=0;
1037 err:
1038         if (hex != NULL) BIO_free(hex);
1039         if (Cout != NULL) BIO_free(Cout);
1040         if (Sout != NULL) BIO_free(Sout);
1041         if (out != NULL) BIO_free(out);
1042         if (in != NULL) BIO_free(in);
1043
1044         if (cert_sk != NULL) sk_pop_free(cert_sk,X509_free);
1045         if (extensions_sk != NULL)
1046                 sk_pop_free(extensions_sk,X509_EXTENSION_free);
1047
1048         if (ret) ERR_print_errors(bio_err);
1049         if (serial != NULL) BN_free(serial);
1050         if (db != NULL) TXT_DB_free(db);
1051         if (pkey != NULL) EVP_PKEY_free(pkey);
1052         if (x509 != NULL) X509_free(x509);
1053         if (crl != NULL) X509_CRL_free(crl);
1054         if (conf != NULL) CONF_free(conf);
1055         X509v3_cleanup_extensions();
1056         EXIT(ret);
1057         }
1058
1059 static void lookup_fail(name,tag)
1060 char *name;
1061 char *tag;
1062         {
1063         BIO_printf(bio_err,"variable lookup failed for %s::%s\n",name,tag);
1064         }
1065
1066 static int MS_CALLBACK key_callback(buf,len,verify)
1067 char *buf;
1068 int len,verify;
1069         {
1070         int i;
1071
1072         if (key == NULL) return(0);
1073         i=strlen(key);
1074         i=(i > len)?len:i;
1075         memcpy(buf,key,i);
1076         return(i);
1077         }
1078
1079 static unsigned long index_serial_hash(a)
1080 char **a;
1081         {
1082         char *n;
1083
1084         n=a[DB_serial];
1085         while (*n == '0') n++;
1086         return(lh_strhash(n));
1087         }
1088
1089 static int index_serial_cmp(a,b)
1090 char **a;
1091 char **b;
1092         {
1093         char *aa,*bb;
1094
1095         for (aa=a[DB_serial]; *aa == '0'; aa++);
1096         for (bb=b[DB_serial]; *bb == '0'; bb++);
1097         return(strcmp(aa,bb));
1098         }
1099
1100 static unsigned long index_name_hash(a)
1101 char **a;
1102         { return(lh_strhash(a[DB_name])); }
1103
1104 static int index_name_qual(a)
1105 char **a;
1106         { return(a[0][0] == 'V'); }
1107
1108 static int index_name_cmp(a,b)
1109 char **a;
1110 char **b;
1111         { return(strcmp(a[DB_name],b[DB_name])); }
1112
1113 static BIGNUM *load_serial(serialfile)
1114 char *serialfile;
1115         {
1116         BIO *in=NULL;
1117         BIGNUM *ret=NULL;
1118         MS_STATIC char buf[1024];
1119         ASN1_INTEGER *ai=NULL;
1120
1121         if ((in=BIO_new(BIO_s_file())) == NULL)
1122                 {
1123                 ERR_print_errors(bio_err);
1124                 goto err;
1125                 }
1126
1127         if (BIO_read_filename(in,serialfile) <= 0)
1128                 {
1129                 perror(serialfile);
1130                 goto err;
1131                 }
1132         ai=ASN1_INTEGER_new();
1133         if (ai == NULL) goto err;
1134         if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1135                 {
1136                 BIO_printf(bio_err,"unable to load number from %s\n",
1137                         serialfile);
1138                 goto err;
1139                 }
1140         ret=ASN1_INTEGER_to_BN(ai,NULL);
1141         if (ret == NULL)
1142                 {
1143                 BIO_printf(bio_err,"error converting number from bin to BIGNUM");
1144                 goto err;
1145                 }
1146 err:
1147         if (in != NULL) BIO_free(in);
1148         if (ai != NULL) ASN1_INTEGER_free(ai);
1149         return(ret);
1150         }
1151
1152 static int save_serial(serialfile,serial)
1153 char *serialfile;
1154 BIGNUM *serial;
1155         {
1156         BIO *out;
1157         int ret=0;
1158         ASN1_INTEGER *ai=NULL;
1159
1160         out=BIO_new(BIO_s_file());
1161         if (out == NULL)
1162                 {
1163                 ERR_print_errors(bio_err);
1164                 goto err;
1165                 }
1166         if (BIO_write_filename(out,serialfile) <= 0)
1167                 {
1168                 perror(serialfile);
1169                 goto err;
1170                 }
1171
1172         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1173                 {
1174                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1175                 goto err;
1176                 }
1177         i2a_ASN1_INTEGER(out,ai);
1178         BIO_puts(out,"\n");
1179         ret=1;
1180 err:
1181         if (out != NULL) BIO_free(out);
1182         if (ai != NULL) ASN1_INTEGER_free(ai);
1183         return(ret);
1184         }
1185
1186 static int certify(xret,infile,pkey,x509,dgst,policy,db,serial,startdate,days,
1187         batch,extensions,verbose)
1188 X509 **xret;
1189 char *infile;
1190 EVP_PKEY *pkey;
1191 X509 *x509;
1192 EVP_MD *dgst;
1193 STACK *policy;
1194 TXT_DB *db;
1195 BIGNUM *serial;
1196 char *startdate;
1197 int days;
1198 int batch;
1199 STACK *extensions;
1200 int verbose;
1201         {
1202         X509_REQ *req=NULL;
1203         BIO *in=NULL;
1204         EVP_PKEY *pktmp=NULL;
1205         int ok= -1,i;
1206
1207         in=BIO_new(BIO_s_file());
1208
1209         if (BIO_read_filename(in,infile) <= 0)
1210                 {
1211                 perror(infile);
1212                 goto err;
1213                 }
1214         if ((req=PEM_read_bio_X509_REQ(in,NULL,NULL)) == NULL)
1215                 {
1216                 BIO_printf(bio_err,"Error reading certificate request in %s\n",
1217                         infile);
1218                 goto err;
1219                 }
1220         if (verbose)
1221                 X509_REQ_print(bio_err,req);
1222
1223         BIO_printf(bio_err,"Check that the request matches the signature\n");
1224
1225         if ((pktmp=X509_REQ_get_pubkey(req)) == NULL)
1226                 {
1227                 BIO_printf(bio_err,"error unpacking public key\n");
1228                 goto err;
1229                 }
1230         i=X509_REQ_verify(req,pktmp);
1231         if (i < 0)
1232                 {
1233                 ok=0;
1234                 BIO_printf(bio_err,"Signature verification problems....\n");
1235                 goto err;
1236                 }
1237         if (i == 0)
1238                 {
1239                 ok=0;
1240                 BIO_printf(bio_err,"Signature did not match the certificate request\n");
1241                 goto err;
1242                 }
1243         else
1244                 BIO_printf(bio_err,"Signature ok\n");
1245
1246         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,
1247                 days,batch,verbose,req,extensions);
1248
1249 err:
1250         if (req != NULL) X509_REQ_free(req);
1251         if (in != NULL) BIO_free(in);
1252         return(ok);
1253         }
1254
1255 static int certify_cert(xret,infile,pkey,x509,dgst,policy,db,serial,startdate,
1256         days, batch,extensions,verbose)
1257 X509 **xret;
1258 char *infile;
1259 EVP_PKEY *pkey;
1260 X509 *x509;
1261 EVP_MD *dgst;
1262 STACK *policy;
1263 TXT_DB *db;
1264 BIGNUM *serial;
1265 char *startdate;
1266 int days;
1267 int batch;
1268 STACK *extensions;
1269 int verbose;
1270         {
1271         X509 *req=NULL;
1272         X509_REQ *rreq=NULL;
1273         BIO *in=NULL;
1274         EVP_PKEY *pktmp=NULL;
1275         int ok= -1,i;
1276
1277         in=BIO_new(BIO_s_file());
1278
1279         if (BIO_read_filename(in,infile) <= 0)
1280                 {
1281                 perror(infile);
1282                 goto err;
1283                 }
1284         if ((req=PEM_read_bio_X509(in,NULL,NULL)) == NULL)
1285                 {
1286                 BIO_printf(bio_err,"Error reading self signed certificate in %s\n",infile);
1287                 goto err;
1288                 }
1289         if (verbose)
1290                 X509_print(bio_err,req);
1291
1292         BIO_printf(bio_err,"Check that the request matches the signature\n");
1293
1294         if ((pktmp=X509_get_pubkey(req)) == NULL)
1295                 {
1296                 BIO_printf(bio_err,"error unpacking public key\n");
1297                 goto err;
1298                 }
1299         i=X509_verify(req,pktmp);
1300         if (i < 0)
1301                 {
1302                 ok=0;
1303                 BIO_printf(bio_err,"Signature verification problems....\n");
1304                 goto err;
1305                 }
1306         if (i == 0)
1307                 {
1308                 ok=0;
1309                 BIO_printf(bio_err,"Signature did not match the certificate\n");
1310                 goto err;
1311                 }
1312         else
1313                 BIO_printf(bio_err,"Signature ok\n");
1314
1315         if ((rreq=X509_to_X509_REQ(req,NULL,EVP_md5())) == NULL)
1316                 goto err;
1317
1318         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,days,
1319                 batch,verbose,rreq,extensions);
1320
1321 err:
1322         if (rreq != NULL) X509_REQ_free(rreq);
1323         if (req != NULL) X509_free(req);
1324         if (in != NULL) BIO_free(in);
1325         return(ok);
1326         }
1327
1328 static int do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,days,
1329         batch,verbose,req, extensions)
1330 X509 **xret;
1331 EVP_PKEY *pkey;
1332 X509 *x509;
1333 EVP_MD *dgst;
1334 STACK *policy;
1335 TXT_DB *db;
1336 BIGNUM *serial;
1337 char *startdate;
1338 int days;
1339 int batch;
1340 int verbose;
1341 X509_REQ *req;
1342 STACK *extensions;
1343         {
1344         X509_NAME *name=NULL,*CAname=NULL,*subject=NULL;
1345         ASN1_UTCTIME *tm,*tmptm;
1346         ASN1_STRING *str,*str2;
1347         ASN1_OBJECT *obj;
1348         X509 *ret=NULL;
1349         X509_CINF *ci;
1350         X509_NAME_ENTRY *ne;
1351         X509_NAME_ENTRY *tne,*push;
1352         X509_EXTENSION *ex=NULL;
1353         EVP_PKEY *pktmp;
1354         int ok= -1,i,j,last,nid;
1355         char *p;
1356         CONF_VALUE *cv;
1357         char *row[DB_NUMBER],**rrow,**irow=NULL;
1358         char buf[25],*pbuf;
1359
1360         tmptm=ASN1_UTCTIME_new();
1361         if (tmptm == NULL)
1362                 {
1363                 BIO_printf(bio_err,"malloc error\n");
1364                 return(0);
1365                 }
1366
1367         for (i=0; i<DB_NUMBER; i++)
1368                 row[i]=NULL;
1369
1370         BIO_printf(bio_err,"The Subjects Distinguished Name is as follows\n");
1371         name=X509_REQ_get_subject_name(req);
1372         for (i=0; i<X509_NAME_entry_count(name); i++)
1373                 {
1374                 ne=(X509_NAME_ENTRY *)X509_NAME_get_entry(name,i);
1375                 obj=X509_NAME_ENTRY_get_object(ne);
1376                 j=i2a_ASN1_OBJECT(bio_err,obj);
1377                 str=X509_NAME_ENTRY_get_data(ne);
1378                 pbuf=buf;
1379                 for (j=22-j; j>0; j--)
1380                         *(pbuf++)=' ';
1381                 *(pbuf++)=':';
1382                 *(pbuf++)='\0';
1383                 BIO_puts(bio_err,buf);
1384
1385                 if (msie_hack)
1386                         {
1387                         /* assume all type should be strings */
1388                         nid=OBJ_obj2nid(ne->object);
1389
1390                         if (str->type == V_ASN1_UNIVERSALSTRING)
1391                                 ASN1_UNIVERSALSTRING_to_string(str);
1392
1393                         if ((str->type == V_ASN1_IA5STRING) &&
1394                                 (nid != NID_pkcs9_emailAddress))
1395                                 str->type=V_ASN1_T61STRING;
1396
1397                         if ((nid == NID_pkcs9_emailAddress) &&
1398                                 (str->type == V_ASN1_PRINTABLESTRING))
1399                                 str->type=V_ASN1_IA5STRING;
1400                         }
1401
1402                 if (str->type == V_ASN1_PRINTABLESTRING)
1403                         BIO_printf(bio_err,"PRINTABLE:'");
1404                 else if (str->type == V_ASN1_T61STRING)
1405                         BIO_printf(bio_err,"T61STRING:'");
1406                 else if (str->type == V_ASN1_IA5STRING)
1407                         BIO_printf(bio_err,"IA5STRING:'");
1408                 else if (str->type == V_ASN1_UNIVERSALSTRING)
1409                         BIO_printf(bio_err,"UNIVERSALSTRING:'");
1410                 else
1411                         BIO_printf(bio_err,"ASN.1 %2d:'",str->type);
1412
1413                 /* check some things */
1414                 if ((OBJ_obj2nid(obj) == NID_pkcs9_emailAddress) &&
1415                         (str->type != V_ASN1_IA5STRING))
1416                         {
1417                         BIO_printf(bio_err,"\nemailAddress type needs to be of type IA5STRING\n");
1418                         goto err;
1419                         }
1420                 j=ASN1_PRINTABLE_type(str->data,str->length);
1421                 if (    ((j == V_ASN1_T61STRING) &&
1422                          (str->type != V_ASN1_T61STRING)) ||
1423                         ((j == V_ASN1_IA5STRING) &&
1424                          (str->type == V_ASN1_PRINTABLESTRING)))
1425                         {
1426                         BIO_printf(bio_err,"\nThe string contains characters that are illegal for the ASN.1 type\n");
1427                         goto err;
1428                         }
1429                         
1430                 p=(char *)str->data;
1431                 for (j=str->length; j>0; j--)
1432                         {
1433                         if ((*p >= ' ') && (*p <= '~'))
1434                                 BIO_printf(bio_err,"%c",*p);
1435                         else if (*p & 0x80)
1436                                 BIO_printf(bio_err,"\\0x%02X",*p);
1437                         else if ((unsigned char)*p == 0xf7)
1438                                 BIO_printf(bio_err,"^?");
1439                         else    BIO_printf(bio_err,"^%c",*p+'@');
1440                         p++;
1441                         }
1442                 BIO_printf(bio_err,"'\n");
1443                 }
1444
1445         /* Ok, now we check the 'policy' stuff. */
1446         if ((subject=X509_NAME_new()) == NULL)
1447                 {
1448                 BIO_printf(bio_err,"Malloc failure\n");
1449                 goto err;
1450                 }
1451
1452         /* take a copy of the issuer name before we mess with it. */
1453         CAname=X509_NAME_dup(x509->cert_info->subject);
1454         if (CAname == NULL) goto err;
1455         str=str2=NULL;
1456
1457         for (i=0; i<sk_num(policy); i++)
1458                 {
1459                 cv=(CONF_VALUE *)sk_value(policy,i); /* get the object id */
1460                 if ((j=OBJ_txt2nid(cv->name)) == NID_undef)
1461                         {
1462                         BIO_printf(bio_err,"%s:unknown object type in 'policy' configuration\n",cv->name);
1463                         goto err;
1464                         }
1465                 obj=OBJ_nid2obj(j);
1466
1467                 last= -1;
1468                 for (;;)
1469                         {
1470                         /* lookup the object in the supplied name list */
1471                         j=X509_NAME_get_index_by_OBJ(name,obj,last);
1472                         if (j < 0)
1473                                 {
1474                                 if (last != -1) break;
1475                                 tne=NULL;
1476                                 }
1477                         else
1478                                 {
1479                                 tne=X509_NAME_get_entry(name,j);
1480                                 }
1481                         last=j;
1482
1483                         /* depending on the 'policy', decide what to do. */
1484                         push=NULL;
1485                         if (strcmp(cv->value,"optional") == 0)
1486                                 {
1487                                 if (tne != NULL)
1488                                         push=tne;
1489                                 }
1490                         else if (strcmp(cv->value,"supplied") == 0)
1491                                 {
1492                                 if (tne == NULL)
1493                                         {
1494                                         BIO_printf(bio_err,"The %s field needed to be supplied and was missing\n",cv->name);
1495                                         goto err;
1496                                         }
1497                                 else
1498                                         push=tne;
1499                                 }
1500                         else if (strcmp(cv->value,"match") == 0)
1501                                 {
1502                                 int last2;
1503
1504                                 if (tne == NULL)
1505                                         {
1506                                         BIO_printf(bio_err,"The mandatory %s field was missing\n",cv->name);
1507                                         goto err;
1508                                         }
1509
1510                                 last2= -1;
1511
1512 again2:
1513                                 j=X509_NAME_get_index_by_OBJ(CAname,obj,last2);
1514                                 if ((j < 0) && (last2 == -1))
1515                                         {
1516                                         BIO_printf(bio_err,"The %s field does not exist in the CA certificate,\nthe 'policy' is misconfigured\n",cv->name);
1517                                         goto err;
1518                                         }
1519                                 if (j >= 0)
1520                                         {
1521                                         push=X509_NAME_get_entry(CAname,j);
1522                                         str=X509_NAME_ENTRY_get_data(tne);
1523                                         str2=X509_NAME_ENTRY_get_data(push);
1524                                         last2=j;
1525                                         if (ASN1_STRING_cmp(str,str2) != 0)
1526                                                 goto again2;
1527                                         }
1528                                 if (j < 0)
1529                                         {
1530                                         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));
1531                                         goto err;
1532                                         }
1533                                 }
1534                         else
1535                                 {
1536                                 BIO_printf(bio_err,"%s:invalid type in 'policy' configuration\n",cv->value);
1537                                 goto err;
1538                                 }
1539
1540                         if (push != NULL)
1541                                 {
1542                                 if (!X509_NAME_add_entry(subject,push,
1543                                         X509_NAME_entry_count(subject),0))
1544                                         {
1545                                         if (push != NULL)
1546                                                 X509_NAME_ENTRY_free(push);
1547                                         BIO_printf(bio_err,"Malloc failure\n");
1548                                         goto err;
1549                                         }
1550                                 }
1551                         if (j < 0) break;
1552                         }
1553                 }
1554
1555         if (preserve)
1556                 {
1557                 X509_NAME_free(subject);
1558                 subject=X509_NAME_dup(X509_REQ_get_subject_name(req));
1559                 if (subject == NULL) goto err;
1560                 }
1561
1562         if (verbose)
1563                 BIO_printf(bio_err,"The subject name apears to be ok, checking data base for clashes\n");
1564
1565         row[DB_name]=X509_NAME_oneline(subject,NULL,0);
1566         row[DB_serial]=BN_bn2hex(serial);
1567         if ((row[DB_name] == NULL) || (row[DB_serial] == NULL))
1568                 {
1569                 BIO_printf(bio_err,"Malloc failure\n");
1570                 goto err;
1571                 }
1572
1573         rrow=TXT_DB_get_by_index(db,DB_name,row);
1574         if (rrow != NULL)
1575                 {
1576                 BIO_printf(bio_err,"ERROR:There is already a certificate for %s\n",
1577                         row[DB_name]);
1578                 }
1579         else
1580                 {
1581                 rrow=TXT_DB_get_by_index(db,DB_serial,row);
1582                 if (rrow != NULL)
1583                         {
1584                         BIO_printf(bio_err,"ERROR:Serial number %s has already been issued,\n",
1585                                 row[DB_serial]);
1586                         BIO_printf(bio_err,"      check the database/serial_file for corruption\n");
1587                         }
1588                 }
1589
1590         if (rrow != NULL)
1591                 {
1592                 BIO_printf(bio_err,
1593                         "The matching entry has the following details\n");
1594                 if (rrow[DB_type][0] == 'E')
1595                         p="Expired";
1596                 else if (rrow[DB_type][0] == 'R')
1597                         p="Revoked";
1598                 else if (rrow[DB_type][0] == 'V')
1599                         p="Valid";
1600                 else
1601                         p="\ninvalid type, Data base error\n";
1602                 BIO_printf(bio_err,"Type          :%s\n",p);;
1603                 if (rrow[DB_type][0] == 'R')
1604                         {
1605                         p=rrow[DB_exp_date]; if (p == NULL) p="undef";
1606                         BIO_printf(bio_err,"Was revoked on:%s\n",p);
1607                         }
1608                 p=rrow[DB_exp_date]; if (p == NULL) p="undef";
1609                 BIO_printf(bio_err,"Expires on    :%s\n",p);
1610                 p=rrow[DB_serial]; if (p == NULL) p="undef";
1611                 BIO_printf(bio_err,"Serial Number :%s\n",p);
1612                 p=rrow[DB_file]; if (p == NULL) p="undef";
1613                 BIO_printf(bio_err,"File name     :%s\n",p);
1614                 p=rrow[DB_name]; if (p == NULL) p="undef";
1615                 BIO_printf(bio_err,"Subject Name  :%s\n",p);
1616                 ok= -1; /* This is now a 'bad' error. */
1617                 goto err;
1618                 }
1619
1620         /* We are now totaly happy, lets make and sign the certificate */
1621         if (verbose)
1622                 BIO_printf(bio_err,"Everything appears to be ok, creating and signing the certificate\n");
1623
1624         if ((ret=X509_new()) == NULL) goto err;
1625         ci=ret->cert_info;
1626
1627 #ifdef X509_V3
1628         /* Make it an X509 v3 certificate. */
1629         if (!X509_set_version(x509,2)) goto err;
1630 #endif
1631
1632         if (BN_to_ASN1_INTEGER(serial,ci->serialNumber) == NULL)
1633                 goto err;
1634         if (!X509_set_issuer_name(ret,X509_get_subject_name(x509)))
1635                 goto err;
1636
1637         BIO_printf(bio_err,"Certificate is to be certified until ");
1638         if (strcmp(startdate,"today") == 0)
1639                 {
1640                 X509_gmtime_adj(X509_get_notBefore(ret),0);
1641                 X509_gmtime_adj(X509_get_notAfter(ret),(long)60*60*24*days);
1642                 }
1643         else
1644                 {
1645                 /*XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX*/
1646                 ASN1_UTCTIME_set_string(X509_get_notBefore(ret),startdate);
1647                 }
1648         ASN1_UTCTIME_print(bio_err,X509_get_notAfter(ret));
1649         BIO_printf(bio_err," (%d days)\n",days);
1650
1651         if (!X509_set_subject_name(ret,subject)) goto err;
1652
1653         pktmp=X509_REQ_get_pubkey(req);
1654         if (!X509_set_pubkey(ret,pktmp)) goto err;
1655
1656         /* Lets add the extensions, if there are any */
1657         if ((extensions != NULL) && (sk_num(extensions) > 0))
1658                 {
1659                 if (ci->version == NULL)
1660                         if ((ci->version=ASN1_INTEGER_new()) == NULL)
1661                                 goto err;
1662                 ASN1_INTEGER_set(ci->version,2); /* version 3 certificate */
1663
1664                 /* Free the current entries if any, there should not
1665                  * be any I belive */
1666                 if (ci->extensions != NULL)
1667                         sk_pop_free(ci->extensions,X509_EXTENSION_free);
1668
1669                 if ((ci->extensions=sk_new_null()) == NULL)
1670                         goto err;
1671
1672                 /* Lets 'copy' in the new ones */
1673                 for (i=0; i<sk_num(extensions); i++)
1674                         {
1675                         ex=X509_EXTENSION_dup((X509_EXTENSION *)
1676                                 sk_value(extensions,i));
1677                         if (ex == NULL) goto err;
1678                         if (!sk_push(ci->extensions,(char *)ex)) goto err;
1679                         }
1680                 }
1681
1682
1683         if (!batch)
1684                 {
1685                 BIO_printf(bio_err,"Sign the certificate? [y/n]:");
1686                 BIO_flush(bio_err);
1687                 buf[0]='\0';
1688                 fgets(buf,sizeof(buf)-1,stdin);
1689                 if (!((buf[0] == 'y') || (buf[0] == 'Y')))
1690                         {
1691                         BIO_printf(bio_err,"CERTIFICATE WILL NOT BE CERTIFIED\n");
1692                         ok=0;
1693                         goto err;
1694                         }
1695                 }
1696
1697
1698 #ifndef NO_DSA
1699         if (pkey->type == EVP_PKEY_DSA) dgst=EVP_dss1();
1700         pktmp=X509_get_pubkey(ret);
1701         if (EVP_PKEY_missing_parameters(pktmp) &&
1702                 !EVP_PKEY_missing_parameters(pkey))
1703                 EVP_PKEY_copy_parameters(pktmp,pkey);
1704 #endif
1705
1706         if (!X509_sign(ret,pkey,dgst))
1707                 goto err;
1708
1709         /* We now just add it to the database */
1710         row[DB_type]=(char *)Malloc(2);
1711
1712         tm=X509_get_notAfter(ret);
1713         row[DB_exp_date]=(char *)Malloc(tm->length+1);
1714         memcpy(row[DB_exp_date],tm->data,tm->length);
1715         row[DB_exp_date][tm->length]='\0';
1716
1717         row[DB_rev_date]=NULL;
1718
1719         /* row[DB_serial] done already */
1720         row[DB_file]=(char *)Malloc(8);
1721         /* row[DB_name] done already */
1722
1723         if ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||
1724                 (row[DB_file] == NULL))
1725                 {
1726                 BIO_printf(bio_err,"Malloc failure\n");
1727                 goto err;
1728                 }
1729         strcpy(row[DB_file],"unknown");
1730         row[DB_type][0]='V';
1731         row[DB_type][1]='\0';
1732
1733         if ((irow=(char **)Malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)
1734                 {
1735                 BIO_printf(bio_err,"Malloc failure\n");
1736                 goto err;
1737                 }
1738
1739         for (i=0; i<DB_NUMBER; i++)
1740                 {
1741                 irow[i]=row[i];
1742                 row[i]=NULL;
1743                 }
1744         irow[DB_NUMBER]=NULL;
1745
1746         if (!TXT_DB_insert(db,irow))
1747                 {
1748                 BIO_printf(bio_err,"failed to update database\n");
1749                 BIO_printf(bio_err,"TXT_DB error number %ld\n",db->error);
1750                 goto err;
1751                 }
1752         ok=1;
1753 err:
1754         for (i=0; i<DB_NUMBER; i++)
1755                 if (row[i] != NULL) Free(row[i]);
1756
1757         if (CAname != NULL)
1758                 X509_NAME_free(CAname);
1759         if (subject != NULL)
1760                 X509_NAME_free(subject);
1761         if (ok <= 0)
1762                 {
1763                 if (ret != NULL) X509_free(ret);
1764                 ret=NULL;
1765                 }
1766         else
1767                 *xret=ret;
1768         return(ok);
1769         }
1770
1771 static void write_new_certificate(bp,x, output_der)
1772 BIO *bp;
1773 X509 *x;
1774 int output_der;
1775         {
1776         char *f;
1777         char buf[256];
1778
1779         if (output_der)
1780                 {
1781                 (void)i2d_X509_bio(bp,x);
1782                 return;
1783                 }
1784
1785         f=X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
1786         BIO_printf(bp,"issuer :%s\n",f);
1787
1788         f=X509_NAME_oneline(X509_get_subject_name(x),buf,256);
1789         BIO_printf(bp,"subject:%s\n",f);
1790
1791         BIO_puts(bp,"serial :");
1792         i2a_ASN1_INTEGER(bp,x->cert_info->serialNumber);
1793         BIO_puts(bp,"\n\n");
1794         X509_print(bp,x);
1795         BIO_puts(bp,"\n");
1796         PEM_write_bio_X509(bp,x);
1797         BIO_puts(bp,"\n");
1798         }
1799
1800 static int certify_spkac(xret,infile,pkey,x509,dgst,policy,db,serial,
1801         startdate,days,extensions,verbose)
1802 X509 **xret;
1803 char *infile;
1804 EVP_PKEY *pkey;
1805 X509 *x509;
1806 EVP_MD *dgst;
1807 STACK *policy;
1808 TXT_DB *db;
1809 BIGNUM *serial;
1810 char *startdate;
1811 int days;
1812 STACK *extensions;
1813 int verbose;
1814         {
1815         STACK *sk=NULL;
1816         LHASH *parms=NULL;
1817         X509_REQ *req=NULL;
1818         CONF_VALUE *cv=NULL;
1819         NETSCAPE_SPKI *spki = NULL;
1820         unsigned char *spki_der = NULL,*p;
1821         X509_REQ_INFO *ri;
1822         char *type,*buf;
1823         EVP_PKEY *pktmp=NULL;
1824         X509_NAME *n=NULL;
1825         X509_NAME_ENTRY *ne=NULL;
1826         int ok= -1,i,j;
1827         long errline;
1828         int nid;
1829
1830         /*
1831          * Load input file into a hash table.  (This is just an easy
1832          * way to read and parse the file, then put it into a convenient
1833          * STACK format).
1834          */
1835         parms=CONF_load(NULL,infile,&errline);
1836         if (parms == NULL)
1837                 {
1838                 BIO_printf(bio_err,"error on line %ld of %s\n",errline,infile);
1839                 ERR_print_errors(bio_err);
1840                 goto err;
1841                 }
1842
1843         sk=CONF_get_section(parms, "default");
1844         if (sk_num(sk) == 0)
1845                 {
1846                 BIO_printf(bio_err, "no name/value pairs found in %s\n", infile);
1847                 CONF_free(parms);
1848                 goto err;
1849                 }
1850
1851         /*
1852          * Now create a dummy X509 request structure.  We don't actually
1853          * have an X509 request, but we have many of the components
1854          * (a public key, various DN components).  The idea is that we
1855          * put these components into the right X509 request structure
1856          * and we can use the same code as if you had a real X509 request.
1857          */
1858         req=X509_REQ_new();
1859         if (req == NULL)
1860                 {
1861                 ERR_print_errors(bio_err);
1862                 goto err;
1863                 }
1864
1865         /*
1866          * Build up the subject name set.
1867          */
1868         ri=req->req_info;
1869         n = ri->subject;
1870
1871         for (i = 0; ; i++)
1872                 {
1873                 if ((int)sk_num(sk) <= i) break;
1874
1875                 cv=(CONF_VALUE *)sk_value(sk,i);
1876                 type=cv->name;
1877                 buf=cv->value;
1878
1879                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1880                         {
1881                         if (strcmp(type, "SPKAC") == 0)
1882                                 {
1883                                 spki_der=(unsigned char *)Malloc(
1884                                         strlen(cv->value)+1);
1885                                 if (spki_der == NULL)
1886                                         {
1887                                         BIO_printf(bio_err,"Malloc failure\n");
1888                                         goto err;
1889                                         }
1890                                 j = EVP_DecodeBlock(spki_der, (unsigned char *)cv->value,
1891                                         strlen(cv->value));
1892                                 if (j <= 0)
1893                                         {
1894                                         BIO_printf(bio_err, "Can't b64 decode SPKAC structure\n");
1895                                         goto err;
1896                                         }
1897
1898                                 p=spki_der;
1899                                 spki = d2i_NETSCAPE_SPKI(&spki, &p, j);
1900                                 Free(spki_der);
1901                                 spki_der = NULL;
1902                                 if (spki == NULL)
1903                                         {
1904                                         BIO_printf(bio_err,"unable to load Netscape SPKAC structure\n");
1905                                         ERR_print_errors(bio_err);
1906                                         goto err;
1907                                         }
1908                                 }
1909                         continue;
1910                         }
1911
1912                 j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1913                 if (fix_data(nid, &j) == 0)
1914                         {
1915                         BIO_printf(bio_err,
1916                                 "invalid characters in string %s\n",buf);
1917                         goto err;
1918                         }
1919
1920                 if ((ne=X509_NAME_ENTRY_create_by_NID(&ne,nid,j,
1921                         (unsigned char *)buf,
1922                         strlen(buf))) == NULL)
1923                         goto err;
1924
1925                 if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
1926                         goto err;
1927                 }
1928         if (spki == NULL)
1929                 {
1930                 BIO_printf(bio_err,"Netscape SPKAC structure not found in %s\n",
1931                         infile);
1932                 goto err;
1933                 }
1934
1935         /*
1936          * Now extract the key from the SPKI structure.
1937          */
1938
1939         BIO_printf(bio_err,"Check that the SPKAC request matches the signature\n");
1940
1941         if ((pktmp=X509_PUBKEY_get(spki->spkac->pubkey)) == NULL)
1942                 {
1943                 BIO_printf(bio_err,"error unpacking SPKAC public key\n");
1944                 goto err;
1945                 }
1946
1947         j = NETSCAPE_SPKI_verify(spki, pktmp);
1948         if (j <= 0)
1949                 {
1950                 BIO_printf(bio_err,"signature verification failed on SPKAC public key\n");
1951                 goto err;
1952                 }
1953         BIO_printf(bio_err,"Signature ok\n");
1954
1955         X509_REQ_set_pubkey(req,pktmp);
1956         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,
1957                 days,1,verbose,req,extensions);
1958 err:
1959         if (req != NULL) X509_REQ_free(req);
1960         if (parms != NULL) CONF_free(parms);
1961         if (spki_der != NULL) Free(spki_der);
1962         if (spki != NULL) NETSCAPE_SPKI_free(spki);
1963         if (ne != NULL) X509_NAME_ENTRY_free(ne);
1964
1965         return(ok);
1966         }
1967
1968 static int fix_data(nid,type)
1969 int nid;
1970 int *type;
1971         {
1972         if (nid == NID_pkcs9_emailAddress)
1973                 *type=V_ASN1_IA5STRING;
1974         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1975                 *type=V_ASN1_T61STRING;
1976         if ((nid == NID_pkcs9_challengePassword) && (*type == V_ASN1_IA5STRING))
1977                 *type=V_ASN1_T61STRING;
1978         if ((nid == NID_pkcs9_unstructuredName) && (*type == V_ASN1_T61STRING))
1979                 return(0);
1980         if (nid == NID_pkcs9_unstructuredName)
1981                 *type=V_ASN1_IA5STRING;
1982         return(1);
1983         }
1984
1985
1986 static STACK *load_extensions(sec)
1987 char *sec;
1988         {
1989         STACK *ext;
1990         STACK *ret=NULL;
1991         CONF_VALUE *cv;
1992         ASN1_OCTET_STRING *str=NULL;
1993         ASN1_STRING *tmp=NULL;
1994         X509_EXTENSION *x;
1995         BIO *mem=NULL;
1996         BUF_MEM *buf=NULL;
1997         int i,nid,len;
1998         unsigned char *ptr;
1999         int pack_type;
2000         int data_type;
2001
2002         if ((ext=CONF_get_section(conf,sec)) == NULL)
2003                 {
2004                 BIO_printf(bio_err,"unable to find extension section called '%s'\n",sec);
2005                 return(NULL);
2006                 }
2007
2008         if ((ret=sk_new_null()) == NULL) return(NULL);
2009
2010         for (i=0; i<sk_num(ext); i++)
2011                 {
2012                 cv=(CONF_VALUE *)sk_value(ext,i); /* get the object id */
2013                 if ((nid=OBJ_txt2nid(cv->name)) == NID_undef)
2014                         {
2015                         BIO_printf(bio_err,"%s:unknown object type in section, '%s'\n",sec,cv->name);
2016                         goto err;
2017                         }
2018
2019                 pack_type=X509v3_pack_type_by_NID(nid);
2020                 data_type=X509v3_data_type_by_NID(nid);
2021
2022                 /* pack up the input bytes */
2023                 ptr=(unsigned char *)cv->value;
2024                 len=strlen((char *)ptr);
2025                 if ((len > 2) && (cv->value[0] == '0') &&
2026                         (cv->value[1] == 'x'))
2027                         {
2028                         if (data_type == V_ASN1_UNDEF)
2029                                 {
2030                                 BIO_printf(bio_err,"data type for extension %s is unknown\n",cv->name);
2031                                 goto err;
2032                                 }
2033                         if (mem == NULL)
2034                                 if ((mem=BIO_new(BIO_s_mem())) == NULL)
2035                                         goto err;
2036                         if (((buf=BUF_MEM_new()) == NULL) ||
2037                                 !BUF_MEM_grow(buf,128))
2038                                 goto err;
2039                         if ((tmp=ASN1_STRING_new()) == NULL) goto err;
2040
2041                         BIO_reset(mem);
2042                         BIO_write(mem,(char *)&(ptr[2]),len-2);
2043                         if (!a2i_ASN1_STRING(mem,tmp,buf->data,buf->max))
2044                                 goto err;
2045                         len=tmp->length;
2046                         ptr=tmp->data;
2047                         }
2048
2049                 switch (pack_type)
2050                         {
2051                 case X509_EXT_PACK_STRING:
2052                         if ((str=X509v3_pack_string(&str,
2053                                 data_type,ptr,len)) == NULL)
2054                                 goto err;
2055                         break;
2056                 case X509_EXT_PACK_UNKNOWN:
2057                 default:
2058                         BIO_printf(bio_err,"Don't know how to pack extension %s\n",cv->name);
2059                         goto err;
2060                         /* break; */
2061                         }
2062
2063                 if ((x=X509_EXTENSION_create_by_NID(NULL,nid,0,str)) == NULL)
2064                         goto err;
2065                 sk_push(ret,(char *)x);
2066                 }
2067
2068         if (0)
2069                 {
2070 err:
2071                 if (ret != NULL) sk_pop_free(ret,X509_EXTENSION_free);
2072                 ret=NULL;
2073                 }
2074         if (str != NULL) ASN1_OCTET_STRING_free(str);
2075         if (tmp != NULL) ASN1_STRING_free(tmp);
2076         if (buf != NULL) BUF_MEM_free(buf);
2077         if (mem != NULL) BIO_free(mem);
2078         return(ret);
2079         }
2080
2081 static int check_time_format(str)
2082 char *str;
2083         {
2084         ASN1_UTCTIME tm;
2085
2086         tm.data=(unsigned char *)str;
2087         tm.length=strlen(str);
2088         tm.type=V_ASN1_UTCTIME;
2089         return(ASN1_UTCTIME_check(&tm));
2090         }
2091