Ignore auto-generated programs.
[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/openssl.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                     {
1027 #ifndef NO_DSA
1028                     if (pkey->type == EVP_PKEY_DSA) 
1029                         dgst=EVP_dss1();
1030                     else
1031 #endif
1032                         dgst=EVP_md5();
1033                     }
1034
1035                 if (!X509_CRL_sign(crl,pkey,dgst)) goto err;
1036
1037                 PEM_write_bio_X509_CRL(Sout,crl);
1038                 }
1039         /*****************************************************************/
1040         ret=0;
1041 err:
1042         if (hex != NULL) BIO_free(hex);
1043         if (Cout != NULL) BIO_free(Cout);
1044         if (Sout != NULL) BIO_free(Sout);
1045         if (out != NULL) BIO_free(out);
1046         if (in != NULL) BIO_free(in);
1047
1048         if (cert_sk != NULL) sk_pop_free(cert_sk,X509_free);
1049         if (extensions_sk != NULL)
1050                 sk_pop_free(extensions_sk,X509_EXTENSION_free);
1051
1052         if (ret) ERR_print_errors(bio_err);
1053         if (serial != NULL) BN_free(serial);
1054         if (db != NULL) TXT_DB_free(db);
1055         if (pkey != NULL) EVP_PKEY_free(pkey);
1056         if (x509 != NULL) X509_free(x509);
1057         if (crl != NULL) X509_CRL_free(crl);
1058         if (conf != NULL) CONF_free(conf);
1059         X509v3_cleanup_extensions();
1060         EXIT(ret);
1061         }
1062
1063 static void lookup_fail(name,tag)
1064 char *name;
1065 char *tag;
1066         {
1067         BIO_printf(bio_err,"variable lookup failed for %s::%s\n",name,tag);
1068         }
1069
1070 static int MS_CALLBACK key_callback(buf,len,verify)
1071 char *buf;
1072 int len,verify;
1073         {
1074         int i;
1075
1076         if (key == NULL) return(0);
1077         i=strlen(key);
1078         i=(i > len)?len:i;
1079         memcpy(buf,key,i);
1080         return(i);
1081         }
1082
1083 static unsigned long index_serial_hash(a)
1084 char **a;
1085         {
1086         char *n;
1087
1088         n=a[DB_serial];
1089         while (*n == '0') n++;
1090         return(lh_strhash(n));
1091         }
1092
1093 static int index_serial_cmp(a,b)
1094 char **a;
1095 char **b;
1096         {
1097         char *aa,*bb;
1098
1099         for (aa=a[DB_serial]; *aa == '0'; aa++);
1100         for (bb=b[DB_serial]; *bb == '0'; bb++);
1101         return(strcmp(aa,bb));
1102         }
1103
1104 static unsigned long index_name_hash(a)
1105 char **a;
1106         { return(lh_strhash(a[DB_name])); }
1107
1108 static int index_name_qual(a)
1109 char **a;
1110         { return(a[0][0] == 'V'); }
1111
1112 static int index_name_cmp(a,b)
1113 char **a;
1114 char **b;
1115         { return(strcmp(a[DB_name],b[DB_name])); }
1116
1117 static BIGNUM *load_serial(serialfile)
1118 char *serialfile;
1119         {
1120         BIO *in=NULL;
1121         BIGNUM *ret=NULL;
1122         MS_STATIC char buf[1024];
1123         ASN1_INTEGER *ai=NULL;
1124
1125         if ((in=BIO_new(BIO_s_file())) == NULL)
1126                 {
1127                 ERR_print_errors(bio_err);
1128                 goto err;
1129                 }
1130
1131         if (BIO_read_filename(in,serialfile) <= 0)
1132                 {
1133                 perror(serialfile);
1134                 goto err;
1135                 }
1136         ai=ASN1_INTEGER_new();
1137         if (ai == NULL) goto err;
1138         if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1139                 {
1140                 BIO_printf(bio_err,"unable to load number from %s\n",
1141                         serialfile);
1142                 goto err;
1143                 }
1144         ret=ASN1_INTEGER_to_BN(ai,NULL);
1145         if (ret == NULL)
1146                 {
1147                 BIO_printf(bio_err,"error converting number from bin to BIGNUM");
1148                 goto err;
1149                 }
1150 err:
1151         if (in != NULL) BIO_free(in);
1152         if (ai != NULL) ASN1_INTEGER_free(ai);
1153         return(ret);
1154         }
1155
1156 static int save_serial(serialfile,serial)
1157 char *serialfile;
1158 BIGNUM *serial;
1159         {
1160         BIO *out;
1161         int ret=0;
1162         ASN1_INTEGER *ai=NULL;
1163
1164         out=BIO_new(BIO_s_file());
1165         if (out == NULL)
1166                 {
1167                 ERR_print_errors(bio_err);
1168                 goto err;
1169                 }
1170         if (BIO_write_filename(out,serialfile) <= 0)
1171                 {
1172                 perror(serialfile);
1173                 goto err;
1174                 }
1175
1176         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1177                 {
1178                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1179                 goto err;
1180                 }
1181         i2a_ASN1_INTEGER(out,ai);
1182         BIO_puts(out,"\n");
1183         ret=1;
1184 err:
1185         if (out != NULL) BIO_free(out);
1186         if (ai != NULL) ASN1_INTEGER_free(ai);
1187         return(ret);
1188         }
1189
1190 static int certify(xret,infile,pkey,x509,dgst,policy,db,serial,startdate,days,
1191         batch,extensions,verbose)
1192 X509 **xret;
1193 char *infile;
1194 EVP_PKEY *pkey;
1195 X509 *x509;
1196 EVP_MD *dgst;
1197 STACK *policy;
1198 TXT_DB *db;
1199 BIGNUM *serial;
1200 char *startdate;
1201 int days;
1202 int batch;
1203 STACK *extensions;
1204 int verbose;
1205         {
1206         X509_REQ *req=NULL;
1207         BIO *in=NULL;
1208         EVP_PKEY *pktmp=NULL;
1209         int ok= -1,i;
1210
1211         in=BIO_new(BIO_s_file());
1212
1213         if (BIO_read_filename(in,infile) <= 0)
1214                 {
1215                 perror(infile);
1216                 goto err;
1217                 }
1218         if ((req=PEM_read_bio_X509_REQ(in,NULL,NULL)) == NULL)
1219                 {
1220                 BIO_printf(bio_err,"Error reading certificate request in %s\n",
1221                         infile);
1222                 goto err;
1223                 }
1224         if (verbose)
1225                 X509_REQ_print(bio_err,req);
1226
1227         BIO_printf(bio_err,"Check that the request matches the signature\n");
1228
1229         if ((pktmp=X509_REQ_get_pubkey(req)) == NULL)
1230                 {
1231                 BIO_printf(bio_err,"error unpacking public key\n");
1232                 goto err;
1233                 }
1234         i=X509_REQ_verify(req,pktmp);
1235         EVP_PKEY_free(pktmp);
1236         if (i < 0)
1237                 {
1238                 ok=0;
1239                 BIO_printf(bio_err,"Signature verification problems....\n");
1240                 goto err;
1241                 }
1242         if (i == 0)
1243                 {
1244                 ok=0;
1245                 BIO_printf(bio_err,"Signature did not match the certificate request\n");
1246                 goto err;
1247                 }
1248         else
1249                 BIO_printf(bio_err,"Signature ok\n");
1250
1251         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,
1252                 days,batch,verbose,req,extensions);
1253
1254 err:
1255         if (req != NULL) X509_REQ_free(req);
1256         if (in != NULL) BIO_free(in);
1257         return(ok);
1258         }
1259
1260 static int certify_cert(xret,infile,pkey,x509,dgst,policy,db,serial,startdate,
1261         days, batch,extensions,verbose)
1262 X509 **xret;
1263 char *infile;
1264 EVP_PKEY *pkey;
1265 X509 *x509;
1266 EVP_MD *dgst;
1267 STACK *policy;
1268 TXT_DB *db;
1269 BIGNUM *serial;
1270 char *startdate;
1271 int days;
1272 int batch;
1273 STACK *extensions;
1274 int verbose;
1275         {
1276         X509 *req=NULL;
1277         X509_REQ *rreq=NULL;
1278         BIO *in=NULL;
1279         EVP_PKEY *pktmp=NULL;
1280         int ok= -1,i;
1281
1282         in=BIO_new(BIO_s_file());
1283
1284         if (BIO_read_filename(in,infile) <= 0)
1285                 {
1286                 perror(infile);
1287                 goto err;
1288                 }
1289         if ((req=PEM_read_bio_X509(in,NULL,NULL)) == NULL)
1290                 {
1291                 BIO_printf(bio_err,"Error reading self signed certificate in %s\n",infile);
1292                 goto err;
1293                 }
1294         if (verbose)
1295                 X509_print(bio_err,req);
1296
1297         BIO_printf(bio_err,"Check that the request matches the signature\n");
1298
1299         if ((pktmp=X509_get_pubkey(req)) == NULL)
1300                 {
1301                 BIO_printf(bio_err,"error unpacking public key\n");
1302                 goto err;
1303                 }
1304         i=X509_verify(req,pktmp);
1305         EVP_PKEY_free(pktmp);
1306         if (i < 0)
1307                 {
1308                 ok=0;
1309                 BIO_printf(bio_err,"Signature verification problems....\n");
1310                 goto err;
1311                 }
1312         if (i == 0)
1313                 {
1314                 ok=0;
1315                 BIO_printf(bio_err,"Signature did not match the certificate\n");
1316                 goto err;
1317                 }
1318         else
1319                 BIO_printf(bio_err,"Signature ok\n");
1320
1321         if ((rreq=X509_to_X509_REQ(req,NULL,EVP_md5())) == NULL)
1322                 goto err;
1323
1324         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,days,
1325                 batch,verbose,rreq,extensions);
1326
1327 err:
1328         if (rreq != NULL) X509_REQ_free(rreq);
1329         if (req != NULL) X509_free(req);
1330         if (in != NULL) BIO_free(in);
1331         return(ok);
1332         }
1333
1334 static int do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,days,
1335         batch,verbose,req, extensions)
1336 X509 **xret;
1337 EVP_PKEY *pkey;
1338 X509 *x509;
1339 EVP_MD *dgst;
1340 STACK *policy;
1341 TXT_DB *db;
1342 BIGNUM *serial;
1343 char *startdate;
1344 int days;
1345 int batch;
1346 int verbose;
1347 X509_REQ *req;
1348 STACK *extensions;
1349         {
1350         X509_NAME *name=NULL,*CAname=NULL,*subject=NULL;
1351         ASN1_UTCTIME *tm,*tmptm;
1352         ASN1_STRING *str,*str2;
1353         ASN1_OBJECT *obj;
1354         X509 *ret=NULL;
1355         X509_CINF *ci;
1356         X509_NAME_ENTRY *ne;
1357         X509_NAME_ENTRY *tne,*push;
1358         X509_EXTENSION *ex=NULL;
1359         EVP_PKEY *pktmp;
1360         int ok= -1,i,j,last,nid;
1361         char *p;
1362         CONF_VALUE *cv;
1363         char *row[DB_NUMBER],**rrow,**irow=NULL;
1364         char buf[25],*pbuf;
1365
1366         tmptm=ASN1_UTCTIME_new();
1367         if (tmptm == NULL)
1368                 {
1369                 BIO_printf(bio_err,"malloc error\n");
1370                 return(0);
1371                 }
1372
1373         for (i=0; i<DB_NUMBER; i++)
1374                 row[i]=NULL;
1375
1376         BIO_printf(bio_err,"The Subjects Distinguished Name is as follows\n");
1377         name=X509_REQ_get_subject_name(req);
1378         for (i=0; i<X509_NAME_entry_count(name); i++)
1379                 {
1380                 ne=(X509_NAME_ENTRY *)X509_NAME_get_entry(name,i);
1381                 obj=X509_NAME_ENTRY_get_object(ne);
1382                 j=i2a_ASN1_OBJECT(bio_err,obj);
1383                 str=X509_NAME_ENTRY_get_data(ne);
1384                 pbuf=buf;
1385                 for (j=22-j; j>0; j--)
1386                         *(pbuf++)=' ';
1387                 *(pbuf++)=':';
1388                 *(pbuf++)='\0';
1389                 BIO_puts(bio_err,buf);
1390
1391                 if (msie_hack)
1392                         {
1393                         /* assume all type should be strings */
1394                         nid=OBJ_obj2nid(ne->object);
1395
1396                         if (str->type == V_ASN1_UNIVERSALSTRING)
1397                                 ASN1_UNIVERSALSTRING_to_string(str);
1398
1399                         if ((str->type == V_ASN1_IA5STRING) &&
1400                                 (nid != NID_pkcs9_emailAddress))
1401                                 str->type=V_ASN1_T61STRING;
1402
1403                         if ((nid == NID_pkcs9_emailAddress) &&
1404                                 (str->type == V_ASN1_PRINTABLESTRING))
1405                                 str->type=V_ASN1_IA5STRING;
1406                         }
1407
1408                 if (str->type == V_ASN1_PRINTABLESTRING)
1409                         BIO_printf(bio_err,"PRINTABLE:'");
1410                 else if (str->type == V_ASN1_T61STRING)
1411                         BIO_printf(bio_err,"T61STRING:'");
1412                 else if (str->type == V_ASN1_IA5STRING)
1413                         BIO_printf(bio_err,"IA5STRING:'");
1414                 else if (str->type == V_ASN1_UNIVERSALSTRING)
1415                         BIO_printf(bio_err,"UNIVERSALSTRING:'");
1416                 else
1417                         BIO_printf(bio_err,"ASN.1 %2d:'",str->type);
1418
1419                 /* check some things */
1420                 if ((OBJ_obj2nid(obj) == NID_pkcs9_emailAddress) &&
1421                         (str->type != V_ASN1_IA5STRING))
1422                         {
1423                         BIO_printf(bio_err,"\nemailAddress type needs to be of type IA5STRING\n");
1424                         goto err;
1425                         }
1426                 j=ASN1_PRINTABLE_type(str->data,str->length);
1427                 if (    ((j == V_ASN1_T61STRING) &&
1428                          (str->type != V_ASN1_T61STRING)) ||
1429                         ((j == V_ASN1_IA5STRING) &&
1430                          (str->type == V_ASN1_PRINTABLESTRING)))
1431                         {
1432                         BIO_printf(bio_err,"\nThe string contains characters that are illegal for the ASN.1 type\n");
1433                         goto err;
1434                         }
1435                         
1436                 p=(char *)str->data;
1437                 for (j=str->length; j>0; j--)
1438                         {
1439                         if ((*p >= ' ') && (*p <= '~'))
1440                                 BIO_printf(bio_err,"%c",*p);
1441                         else if (*p & 0x80)
1442                                 BIO_printf(bio_err,"\\0x%02X",*p);
1443                         else if ((unsigned char)*p == 0xf7)
1444                                 BIO_printf(bio_err,"^?");
1445                         else    BIO_printf(bio_err,"^%c",*p+'@');
1446                         p++;
1447                         }
1448                 BIO_printf(bio_err,"'\n");
1449                 }
1450
1451         /* Ok, now we check the 'policy' stuff. */
1452         if ((subject=X509_NAME_new()) == NULL)
1453                 {
1454                 BIO_printf(bio_err,"Malloc failure\n");
1455                 goto err;
1456                 }
1457
1458         /* take a copy of the issuer name before we mess with it. */
1459         CAname=X509_NAME_dup(x509->cert_info->subject);
1460         if (CAname == NULL) goto err;
1461         str=str2=NULL;
1462
1463         for (i=0; i<sk_num(policy); i++)
1464                 {
1465                 cv=(CONF_VALUE *)sk_value(policy,i); /* get the object id */
1466                 if ((j=OBJ_txt2nid(cv->name)) == NID_undef)
1467                         {
1468                         BIO_printf(bio_err,"%s:unknown object type in 'policy' configuration\n",cv->name);
1469                         goto err;
1470                         }
1471                 obj=OBJ_nid2obj(j);
1472
1473                 last= -1;
1474                 for (;;)
1475                         {
1476                         /* lookup the object in the supplied name list */
1477                         j=X509_NAME_get_index_by_OBJ(name,obj,last);
1478                         if (j < 0)
1479                                 {
1480                                 if (last != -1) break;
1481                                 tne=NULL;
1482                                 }
1483                         else
1484                                 {
1485                                 tne=X509_NAME_get_entry(name,j);
1486                                 }
1487                         last=j;
1488
1489                         /* depending on the 'policy', decide what to do. */
1490                         push=NULL;
1491                         if (strcmp(cv->value,"optional") == 0)
1492                                 {
1493                                 if (tne != NULL)
1494                                         push=tne;
1495                                 }
1496                         else if (strcmp(cv->value,"supplied") == 0)
1497                                 {
1498                                 if (tne == NULL)
1499                                         {
1500                                         BIO_printf(bio_err,"The %s field needed to be supplied and was missing\n",cv->name);
1501                                         goto err;
1502                                         }
1503                                 else
1504                                         push=tne;
1505                                 }
1506                         else if (strcmp(cv->value,"match") == 0)
1507                                 {
1508                                 int last2;
1509
1510                                 if (tne == NULL)
1511                                         {
1512                                         BIO_printf(bio_err,"The mandatory %s field was missing\n",cv->name);
1513                                         goto err;
1514                                         }
1515
1516                                 last2= -1;
1517
1518 again2:
1519                                 j=X509_NAME_get_index_by_OBJ(CAname,obj,last2);
1520                                 if ((j < 0) && (last2 == -1))
1521                                         {
1522                                         BIO_printf(bio_err,"The %s field does not exist in the CA certificate,\nthe 'policy' is misconfigured\n",cv->name);
1523                                         goto err;
1524                                         }
1525                                 if (j >= 0)
1526                                         {
1527                                         push=X509_NAME_get_entry(CAname,j);
1528                                         str=X509_NAME_ENTRY_get_data(tne);
1529                                         str2=X509_NAME_ENTRY_get_data(push);
1530                                         last2=j;
1531                                         if (ASN1_STRING_cmp(str,str2) != 0)
1532                                                 goto again2;
1533                                         }
1534                                 if (j < 0)
1535                                         {
1536                                         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));
1537                                         goto err;
1538                                         }
1539                                 }
1540                         else
1541                                 {
1542                                 BIO_printf(bio_err,"%s:invalid type in 'policy' configuration\n",cv->value);
1543                                 goto err;
1544                                 }
1545
1546                         if (push != NULL)
1547                                 {
1548                                 if (!X509_NAME_add_entry(subject,push,
1549                                         X509_NAME_entry_count(subject),0))
1550                                         {
1551                                         if (push != NULL)
1552                                                 X509_NAME_ENTRY_free(push);
1553                                         BIO_printf(bio_err,"Malloc failure\n");
1554                                         goto err;
1555                                         }
1556                                 }
1557                         if (j < 0) break;
1558                         }
1559                 }
1560
1561         if (preserve)
1562                 {
1563                 X509_NAME_free(subject);
1564                 subject=X509_NAME_dup(X509_REQ_get_subject_name(req));
1565                 if (subject == NULL) goto err;
1566                 }
1567
1568         if (verbose)
1569                 BIO_printf(bio_err,"The subject name apears to be ok, checking data base for clashes\n");
1570
1571         row[DB_name]=X509_NAME_oneline(subject,NULL,0);
1572         row[DB_serial]=BN_bn2hex(serial);
1573         if ((row[DB_name] == NULL) || (row[DB_serial] == NULL))
1574                 {
1575                 BIO_printf(bio_err,"Malloc failure\n");
1576                 goto err;
1577                 }
1578
1579         rrow=TXT_DB_get_by_index(db,DB_name,row);
1580         if (rrow != NULL)
1581                 {
1582                 BIO_printf(bio_err,"ERROR:There is already a certificate for %s\n",
1583                         row[DB_name]);
1584                 }
1585         else
1586                 {
1587                 rrow=TXT_DB_get_by_index(db,DB_serial,row);
1588                 if (rrow != NULL)
1589                         {
1590                         BIO_printf(bio_err,"ERROR:Serial number %s has already been issued,\n",
1591                                 row[DB_serial]);
1592                         BIO_printf(bio_err,"      check the database/serial_file for corruption\n");
1593                         }
1594                 }
1595
1596         if (rrow != NULL)
1597                 {
1598                 BIO_printf(bio_err,
1599                         "The matching entry has the following details\n");
1600                 if (rrow[DB_type][0] == 'E')
1601                         p="Expired";
1602                 else if (rrow[DB_type][0] == 'R')
1603                         p="Revoked";
1604                 else if (rrow[DB_type][0] == 'V')
1605                         p="Valid";
1606                 else
1607                         p="\ninvalid type, Data base error\n";
1608                 BIO_printf(bio_err,"Type          :%s\n",p);;
1609                 if (rrow[DB_type][0] == 'R')
1610                         {
1611                         p=rrow[DB_exp_date]; if (p == NULL) p="undef";
1612                         BIO_printf(bio_err,"Was revoked on:%s\n",p);
1613                         }
1614                 p=rrow[DB_exp_date]; if (p == NULL) p="undef";
1615                 BIO_printf(bio_err,"Expires on    :%s\n",p);
1616                 p=rrow[DB_serial]; if (p == NULL) p="undef";
1617                 BIO_printf(bio_err,"Serial Number :%s\n",p);
1618                 p=rrow[DB_file]; if (p == NULL) p="undef";
1619                 BIO_printf(bio_err,"File name     :%s\n",p);
1620                 p=rrow[DB_name]; if (p == NULL) p="undef";
1621                 BIO_printf(bio_err,"Subject Name  :%s\n",p);
1622                 ok= -1; /* This is now a 'bad' error. */
1623                 goto err;
1624                 }
1625
1626         /* We are now totaly happy, lets make and sign the certificate */
1627         if (verbose)
1628                 BIO_printf(bio_err,"Everything appears to be ok, creating and signing the certificate\n");
1629
1630         if ((ret=X509_new()) == NULL) goto err;
1631         ci=ret->cert_info;
1632
1633 #ifdef X509_V3
1634         /* Make it an X509 v3 certificate. */
1635         if (!X509_set_version(x509,2)) goto err;
1636 #endif
1637
1638         if (BN_to_ASN1_INTEGER(serial,ci->serialNumber) == NULL)
1639                 goto err;
1640         if (!X509_set_issuer_name(ret,X509_get_subject_name(x509)))
1641                 goto err;
1642
1643         BIO_printf(bio_err,"Certificate is to be certified until ");
1644         if (strcmp(startdate,"today") == 0)
1645                 {
1646                 X509_gmtime_adj(X509_get_notBefore(ret),0);
1647                 X509_gmtime_adj(X509_get_notAfter(ret),(long)60*60*24*days);
1648                 }
1649         else
1650                 {
1651                 /*XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX*/
1652                 ASN1_UTCTIME_set_string(X509_get_notBefore(ret),startdate);
1653                 }
1654         ASN1_UTCTIME_print(bio_err,X509_get_notAfter(ret));
1655         BIO_printf(bio_err," (%d days)\n",days);
1656
1657         if (!X509_set_subject_name(ret,subject)) goto err;
1658
1659         pktmp=X509_REQ_get_pubkey(req);
1660         i = X509_set_pubkey(ret,pktmp);
1661         EVP_PKEY_free(pktmp);
1662         if (!i) goto err;
1663
1664         /* Lets add the extensions, if there are any */
1665         if ((extensions != NULL) && (sk_num(extensions) > 0))
1666                 {
1667                 if (ci->version == NULL)
1668                         if ((ci->version=ASN1_INTEGER_new()) == NULL)
1669                                 goto err;
1670                 ASN1_INTEGER_set(ci->version,2); /* version 3 certificate */
1671
1672                 /* Free the current entries if any, there should not
1673                  * be any I belive */
1674                 if (ci->extensions != NULL)
1675                         sk_pop_free(ci->extensions,X509_EXTENSION_free);
1676
1677                 if ((ci->extensions=sk_new_null()) == NULL)
1678                         goto err;
1679
1680                 /* Lets 'copy' in the new ones */
1681                 for (i=0; i<sk_num(extensions); i++)
1682                         {
1683                         ex=X509_EXTENSION_dup((X509_EXTENSION *)
1684                                 sk_value(extensions,i));
1685                         if (ex == NULL) goto err;
1686                         if (!sk_push(ci->extensions,(char *)ex)) goto err;
1687                         }
1688                 }
1689
1690
1691         if (!batch)
1692                 {
1693                 BIO_printf(bio_err,"Sign the certificate? [y/n]:");
1694                 BIO_flush(bio_err);
1695                 buf[0]='\0';
1696                 fgets(buf,sizeof(buf)-1,stdin);
1697                 if (!((buf[0] == 'y') || (buf[0] == 'Y')))
1698                         {
1699                         BIO_printf(bio_err,"CERTIFICATE WILL NOT BE CERTIFIED\n");
1700                         ok=0;
1701                         goto err;
1702                         }
1703                 }
1704
1705
1706 #ifndef NO_DSA
1707         if (pkey->type == EVP_PKEY_DSA) dgst=EVP_dss1();
1708         pktmp=X509_get_pubkey(ret);
1709         if (EVP_PKEY_missing_parameters(pktmp) &&
1710                 !EVP_PKEY_missing_parameters(pkey))
1711                 EVP_PKEY_copy_parameters(pktmp,pkey);
1712         EVP_PKEY_free(pktmp);
1713 #endif
1714
1715         if (!X509_sign(ret,pkey,dgst))
1716                 goto err;
1717
1718         /* We now just add it to the database */
1719         row[DB_type]=(char *)Malloc(2);
1720
1721         tm=X509_get_notAfter(ret);
1722         row[DB_exp_date]=(char *)Malloc(tm->length+1);
1723         memcpy(row[DB_exp_date],tm->data,tm->length);
1724         row[DB_exp_date][tm->length]='\0';
1725
1726         row[DB_rev_date]=NULL;
1727
1728         /* row[DB_serial] done already */
1729         row[DB_file]=(char *)Malloc(8);
1730         /* row[DB_name] done already */
1731
1732         if ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||
1733                 (row[DB_file] == NULL))
1734                 {
1735                 BIO_printf(bio_err,"Malloc failure\n");
1736                 goto err;
1737                 }
1738         strcpy(row[DB_file],"unknown");
1739         row[DB_type][0]='V';
1740         row[DB_type][1]='\0';
1741
1742         if ((irow=(char **)Malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)
1743                 {
1744                 BIO_printf(bio_err,"Malloc failure\n");
1745                 goto err;
1746                 }
1747
1748         for (i=0; i<DB_NUMBER; i++)
1749                 {
1750                 irow[i]=row[i];
1751                 row[i]=NULL;
1752                 }
1753         irow[DB_NUMBER]=NULL;
1754
1755         if (!TXT_DB_insert(db,irow))
1756                 {
1757                 BIO_printf(bio_err,"failed to update database\n");
1758                 BIO_printf(bio_err,"TXT_DB error number %ld\n",db->error);
1759                 goto err;
1760                 }
1761         ok=1;
1762 err:
1763         for (i=0; i<DB_NUMBER; i++)
1764                 if (row[i] != NULL) Free(row[i]);
1765
1766         if (CAname != NULL)
1767                 X509_NAME_free(CAname);
1768         if (subject != NULL)
1769                 X509_NAME_free(subject);
1770         if (ok <= 0)
1771                 {
1772                 if (ret != NULL) X509_free(ret);
1773                 ret=NULL;
1774                 }
1775         else
1776                 *xret=ret;
1777         return(ok);
1778         }
1779
1780 static void write_new_certificate(bp,x, output_der)
1781 BIO *bp;
1782 X509 *x;
1783 int output_der;
1784         {
1785         char *f;
1786         char buf[256];
1787
1788         if (output_der)
1789                 {
1790                 (void)i2d_X509_bio(bp,x);
1791                 return;
1792                 }
1793
1794         f=X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
1795         BIO_printf(bp,"issuer :%s\n",f);
1796
1797         f=X509_NAME_oneline(X509_get_subject_name(x),buf,256);
1798         BIO_printf(bp,"subject:%s\n",f);
1799
1800         BIO_puts(bp,"serial :");
1801         i2a_ASN1_INTEGER(bp,x->cert_info->serialNumber);
1802         BIO_puts(bp,"\n\n");
1803         X509_print(bp,x);
1804         BIO_puts(bp,"\n");
1805         PEM_write_bio_X509(bp,x);
1806         BIO_puts(bp,"\n");
1807         }
1808
1809 static int certify_spkac(xret,infile,pkey,x509,dgst,policy,db,serial,
1810         startdate,days,extensions,verbose)
1811 X509 **xret;
1812 char *infile;
1813 EVP_PKEY *pkey;
1814 X509 *x509;
1815 EVP_MD *dgst;
1816 STACK *policy;
1817 TXT_DB *db;
1818 BIGNUM *serial;
1819 char *startdate;
1820 int days;
1821 STACK *extensions;
1822 int verbose;
1823         {
1824         STACK *sk=NULL;
1825         LHASH *parms=NULL;
1826         X509_REQ *req=NULL;
1827         CONF_VALUE *cv=NULL;
1828         NETSCAPE_SPKI *spki = NULL;
1829         unsigned char *spki_der = NULL,*p;
1830         X509_REQ_INFO *ri;
1831         char *type,*buf;
1832         EVP_PKEY *pktmp=NULL;
1833         X509_NAME *n=NULL;
1834         X509_NAME_ENTRY *ne=NULL;
1835         int ok= -1,i,j;
1836         long errline;
1837         int nid;
1838
1839         /*
1840          * Load input file into a hash table.  (This is just an easy
1841          * way to read and parse the file, then put it into a convenient
1842          * STACK format).
1843          */
1844         parms=CONF_load(NULL,infile,&errline);
1845         if (parms == NULL)
1846                 {
1847                 BIO_printf(bio_err,"error on line %ld of %s\n",errline,infile);
1848                 ERR_print_errors(bio_err);
1849                 goto err;
1850                 }
1851
1852         sk=CONF_get_section(parms, "default");
1853         if (sk_num(sk) == 0)
1854                 {
1855                 BIO_printf(bio_err, "no name/value pairs found in %s\n", infile);
1856                 CONF_free(parms);
1857                 goto err;
1858                 }
1859
1860         /*
1861          * Now create a dummy X509 request structure.  We don't actually
1862          * have an X509 request, but we have many of the components
1863          * (a public key, various DN components).  The idea is that we
1864          * put these components into the right X509 request structure
1865          * and we can use the same code as if you had a real X509 request.
1866          */
1867         req=X509_REQ_new();
1868         if (req == NULL)
1869                 {
1870                 ERR_print_errors(bio_err);
1871                 goto err;
1872                 }
1873
1874         /*
1875          * Build up the subject name set.
1876          */
1877         ri=req->req_info;
1878         n = ri->subject;
1879
1880         for (i = 0; ; i++)
1881                 {
1882                 if ((int)sk_num(sk) <= i) break;
1883
1884                 cv=(CONF_VALUE *)sk_value(sk,i);
1885                 type=cv->name;
1886                 buf=cv->value;
1887
1888                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1889                         {
1890                         if (strcmp(type, "SPKAC") == 0)
1891                                 {
1892                                 spki_der=(unsigned char *)Malloc(
1893                                         strlen(cv->value)+1);
1894                                 if (spki_der == NULL)
1895                                         {
1896                                         BIO_printf(bio_err,"Malloc failure\n");
1897                                         goto err;
1898                                         }
1899                                 j = EVP_DecodeBlock(spki_der, (unsigned char *)cv->value,
1900                                         strlen(cv->value));
1901                                 if (j <= 0)
1902                                         {
1903                                         BIO_printf(bio_err, "Can't b64 decode SPKAC structure\n");
1904                                         goto err;
1905                                         }
1906
1907                                 p=spki_der;
1908                                 spki = d2i_NETSCAPE_SPKI(&spki, &p, j);
1909                                 Free(spki_der);
1910                                 spki_der = NULL;
1911                                 if (spki == NULL)
1912                                         {
1913                                         BIO_printf(bio_err,"unable to load Netscape SPKAC structure\n");
1914                                         ERR_print_errors(bio_err);
1915                                         goto err;
1916                                         }
1917                                 }
1918                         continue;
1919                         }
1920
1921                 j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1922                 if (fix_data(nid, &j) == 0)
1923                         {
1924                         BIO_printf(bio_err,
1925                                 "invalid characters in string %s\n",buf);
1926                         goto err;
1927                         }
1928
1929                 if ((ne=X509_NAME_ENTRY_create_by_NID(&ne,nid,j,
1930                         (unsigned char *)buf,
1931                         strlen(buf))) == NULL)
1932                         goto err;
1933
1934                 if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
1935                         goto err;
1936                 }
1937         if (spki == NULL)
1938                 {
1939                 BIO_printf(bio_err,"Netscape SPKAC structure not found in %s\n",
1940                         infile);
1941                 goto err;
1942                 }
1943
1944         /*
1945          * Now extract the key from the SPKI structure.
1946          */
1947
1948         BIO_printf(bio_err,"Check that the SPKAC request matches the signature\n");
1949
1950         if ((pktmp=X509_PUBKEY_get(spki->spkac->pubkey)) == NULL)
1951                 {
1952                 BIO_printf(bio_err,"error unpacking SPKAC public key\n");
1953                 goto err;
1954                 }
1955
1956         j = NETSCAPE_SPKI_verify(spki, pktmp);
1957         if (j <= 0)
1958                 {
1959                 BIO_printf(bio_err,"signature verification failed on SPKAC public key\n");
1960                 goto err;
1961                 }
1962         BIO_printf(bio_err,"Signature ok\n");
1963
1964         X509_REQ_set_pubkey(req,pktmp);
1965         EVP_PKEY_free(pktmp);
1966         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,
1967                 days,1,verbose,req,extensions);
1968 err:
1969         if (req != NULL) X509_REQ_free(req);
1970         if (parms != NULL) CONF_free(parms);
1971         if (spki_der != NULL) Free(spki_der);
1972         if (spki != NULL) NETSCAPE_SPKI_free(spki);
1973         if (ne != NULL) X509_NAME_ENTRY_free(ne);
1974
1975         return(ok);
1976         }
1977
1978 static int fix_data(nid,type)
1979 int nid;
1980 int *type;
1981         {
1982         if (nid == NID_pkcs9_emailAddress)
1983                 *type=V_ASN1_IA5STRING;
1984         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1985                 *type=V_ASN1_T61STRING;
1986         if ((nid == NID_pkcs9_challengePassword) && (*type == V_ASN1_IA5STRING))
1987                 *type=V_ASN1_T61STRING;
1988         if ((nid == NID_pkcs9_unstructuredName) && (*type == V_ASN1_T61STRING))
1989                 return(0);
1990         if (nid == NID_pkcs9_unstructuredName)
1991                 *type=V_ASN1_IA5STRING;
1992         return(1);
1993         }
1994
1995
1996 static STACK *load_extensions(sec)
1997 char *sec;
1998         {
1999         STACK *ext;
2000         STACK *ret=NULL;
2001         CONF_VALUE *cv;
2002         ASN1_OCTET_STRING *str=NULL;
2003         ASN1_STRING *tmp=NULL;
2004         X509_EXTENSION *x;
2005         BIO *mem=NULL;
2006         BUF_MEM *buf=NULL;
2007         int i,nid,len;
2008         unsigned char *ptr;
2009         int pack_type;
2010         int data_type;
2011
2012         if ((ext=CONF_get_section(conf,sec)) == NULL)
2013                 {
2014                 BIO_printf(bio_err,"unable to find extension section called '%s'\n",sec);
2015                 return(NULL);
2016                 }
2017
2018         if ((ret=sk_new_null()) == NULL) return(NULL);
2019
2020         for (i=0; i<sk_num(ext); i++)
2021                 {
2022                 cv=(CONF_VALUE *)sk_value(ext,i); /* get the object id */
2023                 if ((nid=OBJ_txt2nid(cv->name)) == NID_undef)
2024                         {
2025                         BIO_printf(bio_err,"%s:unknown object type in section, '%s'\n",sec,cv->name);
2026                         goto err;
2027                         }
2028
2029                 pack_type=X509v3_pack_type_by_NID(nid);
2030                 data_type=X509v3_data_type_by_NID(nid);
2031
2032                 /* pack up the input bytes */
2033                 ptr=(unsigned char *)cv->value;
2034                 len=strlen((char *)ptr);
2035                 if ((len > 2) && (cv->value[0] == '0') &&
2036                         (cv->value[1] == 'x'))
2037                         {
2038                         if (data_type == V_ASN1_UNDEF)
2039                                 {
2040                                 BIO_printf(bio_err,"data type for extension %s is unknown\n",cv->name);
2041                                 goto err;
2042                                 }
2043                         if (mem == NULL)
2044                                 if ((mem=BIO_new(BIO_s_mem())) == NULL)
2045                                         goto err;
2046                         if (((buf=BUF_MEM_new()) == NULL) ||
2047                                 !BUF_MEM_grow(buf,128))
2048                                 goto err;
2049                         if ((tmp=ASN1_STRING_new()) == NULL) goto err;
2050
2051                         BIO_reset(mem);
2052                         BIO_write(mem,(char *)&(ptr[2]),len-2);
2053                         if (!a2i_ASN1_STRING(mem,tmp,buf->data,buf->max))
2054                                 goto err;
2055                         len=tmp->length;
2056                         ptr=tmp->data;
2057                         }
2058
2059                 switch (pack_type)
2060                         {
2061                 case X509_EXT_PACK_STRING:
2062                         if ((str=X509v3_pack_string(&str,
2063                                 data_type,ptr,len)) == NULL)
2064                                 goto err;
2065                         break;
2066                 case X509_EXT_PACK_UNKNOWN:
2067                 default:
2068                         BIO_printf(bio_err,"Don't know how to pack extension %s\n",cv->name);
2069                         goto err;
2070                         /* break; */
2071                         }
2072
2073                 if ((x=X509_EXTENSION_create_by_NID(NULL,nid,0,str)) == NULL)
2074                         goto err;
2075                 sk_push(ret,(char *)x);
2076                 }
2077
2078         if (0)
2079                 {
2080 err:
2081                 if (ret != NULL) sk_pop_free(ret,X509_EXTENSION_free);
2082                 ret=NULL;
2083                 }
2084         if (str != NULL) ASN1_OCTET_STRING_free(str);
2085         if (tmp != NULL) ASN1_STRING_free(tmp);
2086         if (buf != NULL) BUF_MEM_free(buf);
2087         if (mem != NULL) BIO_free(mem);
2088         return(ret);
2089         }
2090
2091 static int check_time_format(str)
2092 char *str;
2093         {
2094         ASN1_UTCTIME tm;
2095
2096         tm.data=(unsigned char *)str;
2097         tm.length=strlen(str);
2098         tm.type=V_ASN1_UTCTIME;
2099         return(ASN1_UTCTIME_check(&tm));
2100         }
2101