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 <openssl/conf.h>
  68 #include <openssl/bio.h>
  69 #include <openssl/err.h>
  70 #include <openssl/bn.h>
  71 #include <openssl/txt_db.h>
  72 #include <openssl/evp.h>
  73 #include <openssl/x509.h>
  74 #include <openssl/x509v3.h>
  75 #include <openssl/objects.h>
  76 #include <openssl/pem.h>
  77
  78 #ifndef W_OK
  79 #  ifdef VMS
  80 #    if defined(__DECC)
  81 #      include <unistd.h>
  82 #    else
  83 #      include <unixlib.h>
  84 #    endif
  85 #  else
  86 #    include <sys/file.h>
  87 #  endif
  88 #endif
  89
  90 #ifndef W_OK
  91 #  define F_OK 0
  92 #  define X_OK 1
  93 #  define W_OK 2
  94 #  define R_OK 4
  95 #endif
  96
  97 #undef PROG
  98 #define PROG ca_main
  99
 100 #define BASE_SECTION    "ca"
 101 #define CONFIG_FILE "openssl.cnf"
 102
 103 #define ENV_DEFAULT_CA          "default_ca"
 104
 105 #define ENV_DIR                 "dir"
 106 #define ENV_CERTS               "certs"
 107 #define ENV_CRL_DIR             "crl_dir"
 108 #define ENV_CA_DB               "CA_DB"
 109 #define ENV_NEW_CERTS_DIR       "new_certs_dir"
 110 #define ENV_CERTIFICATE         "certificate"
 111 #define ENV_SERIAL              "serial"
 112 #define ENV_CRL                 "crl"
 113 #define ENV_PRIVATE_KEY         "private_key"
 114 #define ENV_RANDFILE            "RANDFILE"
 115 #define ENV_DEFAULT_DAYS        "default_days"
 116 #define ENV_DEFAULT_STARTDATE   "default_startdate"
 117 #define ENV_DEFAULT_ENDDATE     "default_enddate"
 118 #define ENV_DEFAULT_CRL_DAYS    "default_crl_days"
 119 #define ENV_DEFAULT_CRL_HOURS   "default_crl_hours"
 120 #define ENV_DEFAULT_MD          "default_md"
 121 #define ENV_PRESERVE            "preserve"
 122 #define ENV_POLICY              "policy"
 123 #define ENV_EXTENSIONS          "x509_extensions"
 124 #define ENV_CRLEXT              "crl_extensions"
 125 #define ENV_MSIE_HACK           "msie_hack"
 126
 127 #define ENV_DATABASE            "database"
 128
 129 #define DB_type         0
 130 #define DB_exp_date     1
 131 #define DB_rev_date     2
 132 #define DB_serial       3       /* index - unique */
 133 #define DB_file         4
 134 #define DB_name         5       /* index - unique for active */
 135 #define DB_NUMBER       6
 136
 137 #define DB_TYPE_REV     'R'
 138 #define DB_TYPE_EXP     'E'
 139 #define DB_TYPE_VAL     'V'
 140
 141 static char *ca_usage[]={
 142 "usage: ca args\n",
 143 "\n",
 144 " -verbose        - Talk alot while doing things\n",
 145 " -config file    - A config file\n",
 146 " -name arg       - The particular CA definition to use\n",
 147 " -gencrl         - Generate a new CRL\n",
 148 " -crldays days   - Days is when the next CRL is due\n",
 149 " -crlhours hours - Hours is when the next CRL is due\n",
 150 " -startdate YYMMDDHHMMSSZ  - certificate validity notBefore\n",
 151 " -enddate YYMMDDHHMMSSZ    - certificate validity notAfter (overrides -days)\n",
 152 " -days arg       - number of days to certify the certificate for\n",
 153 " -md arg         - md to use, one of md2, md5, sha or sha1\n",
 154 " -policy arg     - The CA 'policy' to support\n",
 155 " -keyfile arg    - PEM private key file\n",
 156 " -key arg        - key to decode the private key if it is encrypted\n",
 157 " -cert file      - The CA certificate\n",
 158 " -in file        - The input PEM encoded certificate request(s)\n",
 159 " -out file       - Where to put the output file(s)\n",
 160 " -outdir dir     - Where to put output certificates\n",
 161 " -infiles ....   - The last argument, requests to process\n",
 162 " -spkac file     - File contains DN and signed public key and challenge\n",
 163 " -ss_cert file   - File contains a self signed cert to sign\n",
 164 " -preserveDN     - Don't re-order the DN\n",
 165 " -batch          - Don't ask questions\n",
 166 " -msie_hack      - msie modifications to handle all those universal strings\n",
 167 " -revoke file    - Revoke a certificate (given in file)\n",
 168 " -extensions ..  - Extension section (override value in config file)\n",
 169 " -crlexts ..     - CRL extension section (override value in config file)\n",
 170 NULL
 171 };
 172
 173 #ifdef EFENCE
 174 extern int EF_PROTECT_FREE;
 175 extern int EF_PROTECT_BELOW;
 176 extern int EF_ALIGNMENT;
 177 #endif
 178
 179 static int add_oid_section(LHASH *conf);
 180 static void lookup_fail(char *name,char *tag);
 181 static unsigned long index_serial_hash(char **a);
 182 static int index_serial_cmp(char **a, char **b);
 183 static unsigned long index_name_hash(char **a);
 184 static int index_name_qual(char **a);
 185 static int index_name_cmp(char **a,char **b);
 186 static BIGNUM *load_serial(char *serialfile);
 187 static int save_serial(char *serialfile, BIGNUM *serial);
 188 static int certify(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
 189                    const EVP_MD *dgst,STACK_OF(CONF_VALUE) *policy,TXT_DB *db,
 190                    BIGNUM *serial, char *startdate,char *enddate, int days,
 191                    int batch, char *ext_sect, LHASH *conf,int verbose);
 192 static int certify_cert(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
 193                         const EVP_MD *dgst,STACK_OF(CONF_VALUE) *policy,
 194                         TXT_DB *db, BIGNUM *serial,char *startdate,
 195                         char *enddate, int days, int batch, char *ext_sect,
 196                         LHASH *conf,int verbose);
 197 static int certify_spkac(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
 198                          const EVP_MD *dgst,STACK_OF(CONF_VALUE) *policy,
 199                          TXT_DB *db, BIGNUM *serial,char *startdate,
 200                          char *enddate, int days, char *ext_sect,LHASH *conf,
 201                                 int verbose);
 202 static int fix_data(int nid, int *type);
 203 static void write_new_certificate(BIO *bp, X509 *x, int output_der);
 204 static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, const EVP_MD *dgst,
 205         STACK_OF(CONF_VALUE) *policy, TXT_DB *db, BIGNUM *serial,
 206         char *startdate, char *enddate, int days, int batch, int verbose,
 207         X509_REQ *req, char *ext_sect, LHASH *conf);
 208 static int do_revoke(X509 *x509, TXT_DB *db);
 209 static int check_time_format(char *str);
 210 static LHASH *conf=NULL;
 211 static char *section=NULL;
 212
 213 static int preserve=0;
 214 static int msie_hack=0;
 215
 216 int MAIN(int argc, char **argv)
 217         {
 218         char *key=NULL;
 219         int total=0;
 220         int total_done=0;
 221         int badops=0;
 222         int ret=1;
 223         int req=0;
 224         int verbose=0;
 225         int gencrl=0;
 226         int dorevoke=0;
 227         long crldays=0;
 228         long crlhours=0;
 229         long errorline= -1;
 230         char *configfile=NULL;
 231         char *md=NULL;
 232         char *policy=NULL;
 233         char *keyfile=NULL;
 234         char *certfile=NULL;
 235         char *infile=NULL;
 236         char *spkac_file=NULL;
 237         char *ss_cert_file=NULL;
 238         EVP_PKEY *pkey=NULL;
 239         int output_der = 0;
 240         char *outfile=NULL;
 241         char *outdir=NULL;
 242         char *serialfile=NULL;
 243         char *extensions=NULL;
 244         char *crl_ext=NULL;
 245         BIGNUM *serial=NULL;
 246         char *startdate=NULL;
 247         char *enddate=NULL;
 248         int days=0;
 249         int batch=0;
 250         X509 *x509=NULL;
 251         X509 *x=NULL;
 252         BIO *in=NULL,*out=NULL,*Sout=NULL,*Cout=NULL;
 253         char *dbfile=NULL;
 254         TXT_DB *db=NULL;
 255         X509_CRL *crl=NULL;
 256         X509_CRL_INFO *ci=NULL;
 257         X509_REVOKED *r=NULL;
 258         char **pp,*p,*f;
 259         int i,j;
 260         long l;
 261         const EVP_MD *dgst=NULL;
 262         STACK_OF(CONF_VALUE) *attribs=NULL;
 263         STACK *cert_sk=NULL;
 264         BIO *hex=NULL;
 265 #undef BSIZE
 266 #define BSIZE 256
 267         MS_STATIC char buf[3][BSIZE];
 268         char *randfile=NULL;
 269
 270 #ifdef EFENCE
 271 EF_PROTECT_FREE=1;
 272 EF_PROTECT_BELOW=1;
 273 EF_ALIGNMENT=0;
 274 #endif
 275
 276         apps_startup();
 277
 278         conf = NULL;
 279         key = NULL;
 280         section = NULL;
 281
 282         X509V3_add_standard_extensions();
 283
 284         preserve=0;
 285         msie_hack=0;
 286         if (bio_err == NULL)
 287                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 288                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 289
 290         argc--;
 291         argv++;
 292         while (argc >= 1)
 293                 {
 294                 if      (strcmp(*argv,"-verbose") == 0)
 295                         verbose=1;
 296                 else if (strcmp(*argv,"-config") == 0)
 297                         {
 298                         if (--argc < 1) goto bad;
 299                         configfile= *(++argv);
 300                         }
 301                 else if (strcmp(*argv,"-name") == 0)
 302                         {
 303                         if (--argc < 1) goto bad;
 304                         section= *(++argv);
 305                         }
 306                 else if (strcmp(*argv,"-startdate") == 0)
 307                         {
 308                         if (--argc < 1) goto bad;
 309                         startdate= *(++argv);
 310                         }
 311                 else if (strcmp(*argv,"-enddate") == 0)
 312                         {
 313                         if (--argc < 1) goto bad;
 314                         enddate= *(++argv);
 315                         }
 316                 else if (strcmp(*argv,"-days") == 0)
 317                         {
 318                         if (--argc < 1) goto bad;
 319                         days=atoi(*(++argv));
 320                         }
 321                 else if (strcmp(*argv,"-md") == 0)
 322                         {
 323                         if (--argc < 1) goto bad;
 324                         md= *(++argv);
 325                         }
 326                 else if (strcmp(*argv,"-policy") == 0)
 327                         {
 328                         if (--argc < 1) goto bad;
 329                         policy= *(++argv);
 330                         }
 331                 else if (strcmp(*argv,"-keyfile") == 0)
 332                         {
 333                         if (--argc < 1) goto bad;
 334                         keyfile= *(++argv);
 335                         }
 336                 else if (strcmp(*argv,"-key") == 0)
 337                         {
 338                         if (--argc < 1) goto bad;
 339                         key= *(++argv);
 340                         }
 341                 else if (strcmp(*argv,"-cert") == 0)
 342                         {
 343                         if (--argc < 1) goto bad;
 344                         certfile= *(++argv);
 345                         }
 346                 else if (strcmp(*argv,"-in") == 0)
 347                         {
 348                         if (--argc < 1) goto bad;
 349                         infile= *(++argv);
 350                         req=1;
 351                         }
 352                 else if (strcmp(*argv,"-out") == 0)
 353                         {
 354                         if (--argc < 1) goto bad;
 355                         outfile= *(++argv);
 356                         }
 357                 else if (strcmp(*argv,"-outdir") == 0)
 358                         {
 359                         if (--argc < 1) goto bad;
 360                         outdir= *(++argv);
 361                         }
 362                 else if (strcmp(*argv,"-batch") == 0)
 363                         batch=1;
 364                 else if (strcmp(*argv,"-preserveDN") == 0)
 365                         preserve=1;
 366                 else if (strcmp(*argv,"-gencrl") == 0)
 367                         gencrl=1;
 368                 else if (strcmp(*argv,"-msie_hack") == 0)
 369                         msie_hack=1;
 370                 else if (strcmp(*argv,"-crldays") == 0)
 371                         {
 372                         if (--argc < 1) goto bad;
 373                         crldays= atol(*(++argv));
 374                         }
 375                 else if (strcmp(*argv,"-crlhours") == 0)
 376                         {
 377                         if (--argc < 1) goto bad;
 378                         crlhours= atol(*(++argv));
 379                         }
 380                 else if (strcmp(*argv,"-infiles") == 0)
 381                         {
 382                         argc--;
 383                         argv++;
 384                         req=1;
 385                         break;
 386                         }
 387                 else if (strcmp(*argv, "-ss_cert") == 0)
 388                         {
 389                         if (--argc < 1) goto bad;
 390                         ss_cert_file = *(++argv);
 391                         req=1;
 392                         }
 393                 else if (strcmp(*argv, "-spkac") == 0)
 394                         {
 395                         if (--argc < 1) goto bad;
 396                         spkac_file = *(++argv);
 397                         req=1;
 398                         }
 399                 else if (strcmp(*argv,"-revoke") == 0)
 400                         {
 401                         if (--argc < 1) goto bad;
 402                         infile= *(++argv);
 403                         dorevoke=1;
 404                         }
 405                 else if (strcmp(*argv,"-extensions") == 0)
 406                         {
 407                         if (--argc < 1) goto bad;
 408                         extensions= *(++argv);
 409                         }
 410                 else if (strcmp(*argv,"-crlexts") == 0)
 411                         {
 412                         if (--argc < 1) goto bad;
 413                         crl_ext= *(++argv);
 414                         }
 415                 else
 416                         {
 417 bad:
 418                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 419                         badops=1;
 420                         break;
 421                         }
 422                 argc--;
 423                 argv++;
 424                 }
 425
 426         if (badops)
 427                 {
 428                 for (pp=ca_usage; (*pp != NULL); pp++)
 429                         BIO_printf(bio_err,*pp);
 430                 goto err;
 431                 }
 432
 433         ERR_load_crypto_strings();
 434
 435         /*****************************************************************/
 436         if (configfile == NULL) configfile = getenv("OPENSSL_CONF");
 437         if (configfile == NULL) configfile = getenv("SSLEAY_CONF");
 438         if (configfile == NULL)
 439                 {
 440                 /* We will just use 'buf[0]' as a temporary buffer.  */
 441 #ifdef VMS
 442                 strncpy(buf[0],X509_get_default_cert_area(),
 443                         sizeof(buf[0])-1-sizeof(CONFIG_FILE));
 444 #else
 445                 strncpy(buf[0],X509_get_default_cert_area(),
 446                         sizeof(buf[0])-2-sizeof(CONFIG_FILE));
 447                 strcat(buf[0],"/");
 448 #endif
 449                 strcat(buf[0],CONFIG_FILE);
 450                 configfile=buf[0];
 451                 }
 452
 453         BIO_printf(bio_err,"Using configuration from %s\n",configfile);
 454         if ((conf=CONF_load(NULL,configfile,&errorline)) == NULL)
 455                 {
 456                 if (errorline <= 0)
 457                         BIO_printf(bio_err,"error loading the config file '%s'\n",
 458                                 configfile);
 459                 else
 460                         BIO_printf(bio_err,"error on line %ld of config file '%s'\n"
 461                                 ,errorline,configfile);
 462                 goto err;
 463                 }
 464
 465         /* Lets get the config section we are using */
 466         if (section == NULL)
 467                 {
 468                 section=CONF_get_string(conf,BASE_SECTION,ENV_DEFAULT_CA);
 469                 if (section == NULL)
 470                         {
 471                         lookup_fail(BASE_SECTION,ENV_DEFAULT_CA);
 472                         goto err;
 473                         }
 474                 }
 475
 476         if (conf != NULL)
 477                 {
 478                 p=CONF_get_string(conf,NULL,"oid_file");
 479                 if (p != NULL)
 480                         {
 481                         BIO *oid_bio;
 482
 483                         oid_bio=BIO_new_file(p,"r");
 484                         if (oid_bio == NULL)
 485                                 {
 486                                 /*
 487                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 488                                 ERR_print_errors(bio_err);
 489                                 */
 490                                 ERR_clear_error();
 491                                 }
 492                         else
 493                                 {
 494                                 OBJ_create_objects(oid_bio);
 495                                 BIO_free(oid_bio);
 496                                 }
 497                         }
 498                 if(!add_oid_section(conf))
 499                         {
 500                         ERR_print_errors(bio_err);
 501                         goto err;
 502                         }
 503                 }
 504
 505         randfile = CONF_get_string(conf, BASE_SECTION, "RANDFILE");
 506         app_RAND_load_file(randfile, bio_err, 0);
 507
 508         in=BIO_new(BIO_s_file());
 509         out=BIO_new(BIO_s_file());
 510         Sout=BIO_new(BIO_s_file());
 511         Cout=BIO_new(BIO_s_file());
 512         if ((in == NULL) || (out == NULL) || (Sout == NULL) || (Cout == NULL))
 513                 {
 514                 ERR_print_errors(bio_err);
 515                 goto err;
 516                 }
 517
 518         /*****************************************************************/
 519         /* we definitly need an public key, so lets get it */
 520
 521         if ((keyfile == NULL) && ((keyfile=CONF_get_string(conf,
 522                 section,ENV_PRIVATE_KEY)) == NULL))
 523                 {
 524                 lookup_fail(section,ENV_PRIVATE_KEY);
 525                 goto err;
 526                 }
 527         if (BIO_read_filename(in,keyfile) <= 0)
 528                 {
 529                 perror(keyfile);
 530                 BIO_printf(bio_err,"trying to load CA private key\n");
 531                 goto err;
 532                 }
 533         if (key == NULL)
 534                 pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,NULL);
 535         else
 536                 {
 537                 pkey=PEM_read_bio_PrivateKey(in,NULL,key_cb,key);
 538                 memset(key,0,strlen(key));
 539                 }
 540         if (pkey == NULL)
 541                 {
 542                 BIO_printf(bio_err,"unable to load CA private key\n");
 543                 goto err;
 544                 }
 545
 546         /*****************************************************************/
 547         /* we need a certificate */
 548         if ((certfile == NULL) && ((certfile=CONF_get_string(conf,
 549                 section,ENV_CERTIFICATE)) == NULL))
 550                 {
 551                 lookup_fail(section,ENV_CERTIFICATE);
 552                 goto err;
 553                 }
 554         if (BIO_read_filename(in,certfile) <= 0)
 555                 {
 556                 perror(certfile);
 557                 BIO_printf(bio_err,"trying to load CA certificate\n");
 558                 goto err;
 559                 }
 560         x509=PEM_read_bio_X509(in,NULL,NULL,NULL);
 561         if (x509 == NULL)
 562                 {
 563                 BIO_printf(bio_err,"unable to load CA certificate\n");
 564                 goto err;
 565                 }
 566
 567         if (!X509_check_private_key(x509,pkey))
 568                 {
 569                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
 570                 goto err;
 571                 }
 572
 573         f=CONF_get_string(conf,BASE_SECTION,ENV_PRESERVE);
 574         if ((f != NULL) && ((*f == 'y') || (*f == 'Y')))
 575                 preserve=1;
 576         f=CONF_get_string(conf,BASE_SECTION,ENV_MSIE_HACK);
 577         if ((f != NULL) && ((*f == 'y') || (*f == 'Y')))
 578                 msie_hack=1;
 579
 580         /*****************************************************************/
 581         /* lookup where to write new certificates */
 582         if ((outdir == NULL) && (req))
 583                 {
 584                 struct stat sb;
 585
 586                 if ((outdir=CONF_get_string(conf,section,ENV_NEW_CERTS_DIR))
 587                         == NULL)
 588                         {
 589                         BIO_printf(bio_err,"there needs to be defined a directory for new certificate to be placed in\n");
 590                         goto err;
 591                         }
 592 #ifdef VMS
 593                 /* For technical reasons, VMS misbehaves with X_OK */
 594                 if (access(outdir,R_OK|W_OK) != 0)
 595 #else
 596                 if (access(outdir,R_OK|W_OK|X_OK) != 0)
 597 #endif
 598                         {
 599                         BIO_printf(bio_err,"I am unable to acces the %s directory\n",outdir);
 600                         perror(outdir);
 601                         goto err;
 602                         }
 603
 604                 if (stat(outdir,&sb) != 0)
 605                         {
 606                         BIO_printf(bio_err,"unable to stat(%s)\n",outdir);
 607                         perror(outdir);
 608                         goto err;
 609                         }
 610 #ifdef S_IFDIR
 611                 if (!(sb.st_mode & S_IFDIR))
 612                         {
 613                         BIO_printf(bio_err,"%s need to be a directory\n",outdir);
 614                         perror(outdir);
 615                         goto err;
 616                         }
 617 #endif
 618                 }
 619
 620         /*****************************************************************/
 621         /* we need to load the database file */
 622         if ((dbfile=CONF_get_string(conf,section,ENV_DATABASE)) == NULL)
 623                 {
 624                 lookup_fail(section,ENV_DATABASE);
 625                 goto err;
 626                 }
 627         if (BIO_read_filename(in,dbfile) <= 0)
 628                 {
 629                 perror(dbfile);
 630                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
 631                 goto err;
 632                 }
 633         db=TXT_DB_read(in,DB_NUMBER);
 634         if (db == NULL) goto err;
 635
 636         /* Lets check some fields */
 637         for (i=0; i<sk_num(db->data); i++)
 638                 {
 639                 pp=(char **)sk_value(db->data,i);
 640                 if ((pp[DB_type][0] != DB_TYPE_REV) &&
 641                         (pp[DB_rev_date][0] != '\0'))
 642                         {
 643                         BIO_printf(bio_err,"entry %d: not revoked yet, but has a revocation date\n",i+1);
 644                         goto err;
 645                         }
 646                 if ((pp[DB_type][0] == DB_TYPE_REV) &&
 647                         !check_time_format(pp[DB_rev_date]))
 648                         {
 649                         BIO_printf(bio_err,"entry %d: invalid revocation date\n",
 650                                 i+1);
 651                         goto err;
 652                         }
 653                 if (!check_time_format(pp[DB_exp_date]))
 654                         {
 655                         BIO_printf(bio_err,"entry %d: invalid expiry date\n",i+1);
 656                         goto err;
 657                         }
 658                 p=pp[DB_serial];
 659                 j=strlen(p);
 660                 if ((j&1) || (j < 2))
 661                         {
 662                         BIO_printf(bio_err,"entry %d: bad serial number length (%d)\n",i+1,j);
 663                         goto err;
 664                         }
 665                 while (*p)
 666                         {
 667                         if (!(  ((*p >= '0') && (*p <= '9')) ||
 668                                 ((*p >= 'A') && (*p <= 'F')) ||
 669                                 ((*p >= 'a') && (*p <= 'f')))  )
 670                                 {
 671                                 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);
 672                                 goto err;
 673                                 }
 674                         p++;
 675                         }
 676                 }
 677         if (verbose)
 678                 {
 679                 BIO_set_fp(out,stdout,BIO_NOCLOSE|BIO_FP_TEXT); /* cannot fail */
 680                 TXT_DB_write(out,db);
 681                 BIO_printf(bio_err,"%d entries loaded from the database\n",
 682                         db->data->num);
 683                 BIO_printf(bio_err,"generating indexs\n");
 684                 }
 685
 686         if (!TXT_DB_create_index(db,DB_serial,NULL,index_serial_hash,
 687                 index_serial_cmp))
 688                 {
 689                 BIO_printf(bio_err,"error creating serial number index:(%ld,%ld,%ld)\n",db->error,db->arg1,db->arg2);
 690                 goto err;
 691                 }
 692
 693         if (!TXT_DB_create_index(db,DB_name,index_name_qual,index_name_hash,
 694                 index_name_cmp))
 695                 {
 696                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
 697                         db->error,db->arg1,db->arg2);
 698                 goto err;
 699                 }
 700
 701         /*****************************************************************/
 702         if (req || gencrl)
 703                 {
 704                 if (outfile != NULL)
 705                         {
 706
 707                         if (BIO_write_filename(Sout,outfile) <= 0)
 708                                 {
 709                                 perror(outfile);
 710                                 goto err;
 711                                 }
 712                         }
 713                 else
 714                         BIO_set_fp(Sout,stdout,BIO_NOCLOSE|BIO_FP_TEXT);
 715                 }
 716
 717         if (req)
 718                 {
 719                 if ((md == NULL) && ((md=CONF_get_string(conf,
 720                         section,ENV_DEFAULT_MD)) == NULL))
 721                         {
 722                         lookup_fail(section,ENV_DEFAULT_MD);
 723                         goto err;
 724                         }
 725                 if ((dgst=EVP_get_digestbyname(md)) == NULL)
 726                         {
 727                         BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);
 728                         goto err;
 729                         }
 730                 if (verbose)
 731                         BIO_printf(bio_err,"message digest is %s\n",
 732                                 OBJ_nid2ln(dgst->type));
 733                 if ((policy == NULL) && ((policy=CONF_get_string(conf,
 734                         section,ENV_POLICY)) == NULL))
 735                         {
 736                         lookup_fail(section,ENV_POLICY);
 737                         goto err;
 738                         }
 739                 if (verbose)
 740                         BIO_printf(bio_err,"policy is %s\n",policy);
 741
 742                 if ((serialfile=CONF_get_string(conf,section,ENV_SERIAL))
 743                         == NULL)
 744                         {
 745                         lookup_fail(section,ENV_SERIAL);
 746                         goto err;
 747                         }
 748                 if(!extensions)
 749                         extensions=CONF_get_string(conf,section,ENV_EXTENSIONS);
 750                 if(extensions) {
 751                         /* Check syntax of file */
 752                         X509V3_CTX ctx;
 753                         X509V3_set_ctx_test(&ctx);
 754                         X509V3_set_conf_lhash(&ctx, conf);
 755                         if(!X509V3_EXT_add_conf(conf, &ctx, extensions, NULL)) {
 756                                 BIO_printf(bio_err,
 757                                  "Error Loading extension section %s\n",
 758                                                                  extensions);
 759                                 ret = 1;
 760                                 goto err;
 761                         }
 762                 }
 763
 764                 if (startdate == NULL)
 765                         {
 766                         startdate=CONF_get_string(conf,section,
 767                                 ENV_DEFAULT_STARTDATE);
 768                         }
 769                 if (startdate && !ASN1_UTCTIME_set_string(NULL,startdate))
 770                         {
 771                         BIO_printf(bio_err,"start date is invalid, it should be YYMMDDHHMMSSZ\n");
 772                         goto err;
 773                         }
 774                 if (startdate == NULL) startdate="today";
 775
 776                 if (enddate == NULL)
 777                         {
 778                         enddate=CONF_get_string(conf,section,
 779                                 ENV_DEFAULT_ENDDATE);
 780                         }
 781                 if (enddate && !ASN1_UTCTIME_set_string(NULL,enddate))
 782                         {
 783                         BIO_printf(bio_err,"end date is invalid, it should be YYMMDDHHMMSSZ\n");
 784                         goto err;
 785                         }
 786
 787                 if (days == 0)
 788                         {
 789                         days=(int)CONF_get_number(conf,section,
 790                                 ENV_DEFAULT_DAYS);
 791                         }
 792                 if (!enddate && (days == 0))
 793                         {
 794                         BIO_printf(bio_err,"cannot lookup how many days to certify for\n");
 795                         goto err;
 796                         }
 797
 798                 if ((serial=load_serial(serialfile)) == NULL)
 799                         {
 800                         BIO_printf(bio_err,"error while loading serial number\n");
 801                         goto err;
 802                         }
 803                 if (verbose)
 804                         {
 805                         if ((f=BN_bn2hex(serial)) == NULL) goto err;
 806                         BIO_printf(bio_err,"next serial number is %s\n",f);
 807                         Free(f);
 808                         }
 809
 810                 if ((attribs=CONF_get_section(conf,policy)) == NULL)
 811                         {
 812                         BIO_printf(bio_err,"unable to find 'section' for %s\n",policy);
 813                         goto err;
 814                         }
 815
 816                 if ((cert_sk=sk_new_null()) == NULL)
 817                         {
 818                         BIO_printf(bio_err,"Malloc failure\n");
 819                         goto err;
 820                         }
 821                 if (spkac_file != NULL)
 822                         {
 823                         total++;
 824                         j=certify_spkac(&x,spkac_file,pkey,x509,dgst,attribs,db,
 825                                 serial,startdate,enddate, days,extensions,conf,
 826                                 verbose);
 827                         if (j < 0) goto err;
 828                         if (j > 0)
 829                                 {
 830                                 total_done++;
 831                                 BIO_printf(bio_err,"\n");
 832                                 if (!BN_add_word(serial,1)) goto err;
 833                                 if (!sk_push(cert_sk,(char *)x))
 834                                         {
 835                                         BIO_printf(bio_err,"Malloc failure\n");
 836                                         goto err;
 837                                         }
 838                                 if (outfile)
 839                                         {
 840                                         output_der = 1;
 841                                         batch = 1;
 842                                         }
 843                                 }
 844                         }
 845                 if (ss_cert_file != NULL)
 846                         {
 847                         total++;
 848                         j=certify_cert(&x,ss_cert_file,pkey,x509,dgst,attribs,
 849                                 db,serial,startdate,enddate,days,batch,
 850                                 extensions,conf,verbose);
 851                         if (j < 0) goto err;
 852                         if (j > 0)
 853                                 {
 854                                 total_done++;
 855                                 BIO_printf(bio_err,"\n");
 856                                 if (!BN_add_word(serial,1)) goto err;
 857                                 if (!sk_push(cert_sk,(char *)x))
 858                                         {
 859                                         BIO_printf(bio_err,"Malloc failure\n");
 860                                         goto err;
 861                                         }
 862                                 }
 863                         }
 864                 if (infile != NULL)
 865                         {
 866                         total++;
 867                         j=certify(&x,infile,pkey,x509,dgst,attribs,db,
 868                                 serial,startdate,enddate,days,batch,
 869                                 extensions,conf,verbose);
 870                         if (j < 0) goto err;
 871                         if (j > 0)
 872                                 {
 873                                 total_done++;
 874                                 BIO_printf(bio_err,"\n");
 875                                 if (!BN_add_word(serial,1)) goto err;
 876                                 if (!sk_push(cert_sk,(char *)x))
 877                                         {
 878                                         BIO_printf(bio_err,"Malloc failure\n");
 879                                         goto err;
 880                                         }
 881                                 }
 882                         }
 883                 for (i=0; i<argc; i++)
 884                         {
 885                         total++;
 886                         j=certify(&x,argv[i],pkey,x509,dgst,attribs,db,
 887                                 serial,startdate,enddate,days,batch,
 888                                 extensions,conf,verbose);
 889                         if (j < 0) goto err;
 890                         if (j > 0)
 891                                 {
 892                                 total_done++;
 893                                 BIO_printf(bio_err,"\n");
 894                                 if (!BN_add_word(serial,1)) goto err;
 895                                 if (!sk_push(cert_sk,(char *)x))
 896                                         {
 897                                         BIO_printf(bio_err,"Malloc failure\n");
 898                                         goto err;
 899                                         }
 900                                 }
 901                         }
 902                 /* we have a stack of newly certified certificates
 903                  * and a data base and serial number that need
 904                  * updating */
 905
 906                 if (sk_num(cert_sk) > 0)
 907                         {
 908                         if (!batch)
 909                                 {
 910                                 BIO_printf(bio_err,"\n%d out of %d certificate requests certified, commit? [y/n]",total_done,total);
 911                                 (void)BIO_flush(bio_err);
 912                                 buf[0][0]='\0';
 913                                 fgets(buf[0],10,stdin);
 914                                 if ((buf[0][0] != 'y') && (buf[0][0] != 'Y'))
 915                                         {
 916                                         BIO_printf(bio_err,"CERTIFICATION CANCELED\n");
 917                                         ret=0;
 918                                         goto err;
 919                                         }
 920                                 }
 921
 922                         BIO_printf(bio_err,"Write out database with %d new entries\n",sk_num(cert_sk));
 923
 924                         strncpy(buf[0],serialfile,BSIZE-4);
 925
 926 #ifdef VMS
 927                         strcat(buf[0],"-new");
 928 #else
 929                         strcat(buf[0],".new");
 930 #endif
 931
 932                         if (!save_serial(buf[0],serial)) goto err;
 933
 934                         strncpy(buf[1],dbfile,BSIZE-4);
 935
 936 #ifdef VMS
 937                         strcat(buf[1],"-new");
 938 #else
 939                         strcat(buf[1],".new");
 940 #endif
 941
 942                         if (BIO_write_filename(out,buf[1]) <= 0)
 943                                 {
 944                                 perror(dbfile);
 945                                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
 946                                 goto err;
 947                                 }
 948                         l=TXT_DB_write(out,db);
 949                         if (l <= 0) goto err;
 950                         }
 951
 952                 if (verbose)
 953                         BIO_printf(bio_err,"writing new certificates\n");
 954                 for (i=0; i<sk_num(cert_sk); i++)
 955                         {
 956                         int k;
 957                         unsigned char *n;
 958
 959                         x=(X509 *)sk_value(cert_sk,i);
 960
 961                         j=x->cert_info->serialNumber->length;
 962                         p=(char *)x->cert_info->serialNumber->data;
 963
 964                         strncpy(buf[2],outdir,BSIZE-(j*2)-6);
 965
 966 #ifndef VMS
 967                         strcat(buf[2],"/");
 968 #endif
 969
 970                         n=(unsigned char *)&(buf[2][strlen(buf[2])]);
 971                         if (j > 0)
 972                                 {
 973                                 for (k=0; k<j; k++)
 974                                         {
 975                                         sprintf((char *)n,"%02X",(unsigned char)*(p++));
 976                                         n+=2;
 977                                         }
 978                                 }
 979                         else
 980                                 {
 981                                 *(n++)='0';
 982                                 *(n++)='0';
 983                                 }
 984                         *(n++)='.'; *(n++)='p'; *(n++)='e'; *(n++)='m';
 985                         *n='\0';
 986                         if (verbose)
 987                                 BIO_printf(bio_err,"writing %s\n",buf[2]);
 988
 989                         if (BIO_write_filename(Cout,buf[2]) <= 0)
 990                                 {
 991                                 perror(buf[2]);
 992                                 goto err;
 993                                 }
 994                         write_new_certificate(Cout,x, 0);
 995                         write_new_certificate(Sout,x, output_der);
 996                         }
 997
 998                 if (sk_num(cert_sk))
 999                         {
1000                         /* Rename the database and the serial file */
1001                         strncpy(buf[2],serialfile,BSIZE-4);
1002
1003 #ifdef VMS
1004                         strcat(buf[2],"-old");
1005 #else
1006                         strcat(buf[2],".old");
1007 #endif
1008
1009                         BIO_free(in);
1010                         BIO_free(out);
1011                         in=NULL;
1012                         out=NULL;
1013                         if (rename(serialfile,buf[2]) < 0)
1014                                 {
1015                                 BIO_printf(bio_err,"unabel to rename %s to %s\n",
1016                                         serialfile,buf[2]);
1017                                 perror("reason");
1018                                 goto err;
1019                                 }
1020                         if (rename(buf[0],serialfile) < 0)
1021                                 {
1022                                 BIO_printf(bio_err,"unabel to rename %s to %s\n",
1023                                         buf[0],serialfile);
1024                                 perror("reason");
1025                                 rename(buf[2],serialfile);
1026                                 goto err;
1027                                 }
1028
1029                         strncpy(buf[2],dbfile,BSIZE-4);
1030
1031 #ifdef VMS
1032                         strcat(buf[2],"-old");
1033 #else
1034                         strcat(buf[2],".old");
1035 #endif
1036
1037                         if (rename(dbfile,buf[2]) < 0)
1038                                 {
1039                                 BIO_printf(bio_err,"unabel to rename %s to %s\n",
1040                                         dbfile,buf[2]);
1041                                 perror("reason");
1042                                 goto err;
1043                                 }
1044                         if (rename(buf[1],dbfile) < 0)
1045                                 {
1046                                 BIO_printf(bio_err,"unabel to rename %s to %s\n",
1047                                         buf[1],dbfile);
1048                                 perror("reason");
1049                                 rename(buf[2],dbfile);
1050                                 goto err;
1051                                 }
1052                         BIO_printf(bio_err,"Data Base Updated\n");
1053                         }
1054                 }
1055
1056         /*****************************************************************/
1057         if (gencrl)
1058                 {
1059                 if(!crl_ext) crl_ext=CONF_get_string(conf,section,ENV_CRLEXT);
1060                 if(crl_ext) {
1061                         /* Check syntax of file */
1062                         X509V3_CTX ctx;
1063                         X509V3_set_ctx_test(&ctx);
1064                         X509V3_set_conf_lhash(&ctx, conf);
1065                         if(!X509V3_EXT_add_conf(conf, &ctx, crl_ext, NULL)) {
1066                                 BIO_printf(bio_err,
1067                                  "Error Loading CRL extension section %s\n",
1068                                                                  crl_ext);
1069                                 ret = 1;
1070                                 goto err;
1071                         }
1072                 }
1073                 if ((hex=BIO_new(BIO_s_mem())) == NULL) goto err;
1074
1075                 if (!crldays && !crlhours)
1076                         {
1077                         crldays=CONF_get_number(conf,section,
1078                                 ENV_DEFAULT_CRL_DAYS);
1079                         crlhours=CONF_get_number(conf,section,
1080                                 ENV_DEFAULT_CRL_HOURS);
1081                         }
1082                 if ((crldays == 0) && (crlhours == 0))
1083                         {
1084                         BIO_printf(bio_err,"cannot lookup how long until the next CRL is issuer\n");
1085                         goto err;
1086                         }
1087
1088                 if (verbose) BIO_printf(bio_err,"making CRL\n");
1089                 if ((crl=X509_CRL_new()) == NULL) goto err;
1090                 ci=crl->crl;
1091                 X509_NAME_free(ci->issuer);
1092                 ci->issuer=X509_NAME_dup(x509->cert_info->subject);
1093                 if (ci->issuer == NULL) goto err;
1094
1095                 X509_gmtime_adj(ci->lastUpdate,0);
1096                 if (ci->nextUpdate == NULL)
1097                         ci->nextUpdate=ASN1_UTCTIME_new();
1098                 X509_gmtime_adj(ci->nextUpdate,(crldays*24+crlhours)*60*60);
1099
1100                 for (i=0; i<sk_num(db->data); i++)
1101                         {
1102                         pp=(char **)sk_value(db->data,i);
1103                         if (pp[DB_type][0] == DB_TYPE_REV)
1104                                 {
1105                                 if ((r=X509_REVOKED_new()) == NULL) goto err;
1106                                 ASN1_STRING_set((ASN1_STRING *)
1107                                         r->revocationDate,
1108                                         (unsigned char *)pp[DB_rev_date],
1109                                         strlen(pp[DB_rev_date]));
1110                                 /* strcpy(r->revocationDate,pp[DB_rev_date]);*/
1111
1112                                 (void)BIO_reset(hex);
1113                                 if (!BIO_puts(hex,pp[DB_serial]))
1114                                         goto err;
1115                                 if (!a2i_ASN1_INTEGER(hex,r->serialNumber,
1116                                         buf[0],BSIZE)) goto err;
1117
1118                                 sk_X509_REVOKED_push(ci->revoked,r);
1119                                 }
1120                         }
1121                 /* sort the data so it will be written in serial
1122                  * number order */
1123                 sk_X509_REVOKED_sort(ci->revoked);
1124                 for (i=0; i<sk_X509_REVOKED_num(ci->revoked); i++)
1125                         {
1126                         r=sk_X509_REVOKED_value(ci->revoked,i);
1127                         r->sequence=i;
1128                         }
1129
1130                 /* we now have a CRL */
1131                 if (verbose) BIO_printf(bio_err,"signing CRL\n");
1132                 if (md != NULL)
1133                         {
1134                         if ((dgst=EVP_get_digestbyname(md)) == NULL)
1135                                 {
1136                                 BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);
1137                                 goto err;
1138                                 }
1139                         }
1140                 else
1141                     {
1142 #ifndef NO_DSA
1143                     if (pkey->type == EVP_PKEY_DSA)
1144                         dgst=EVP_dss1();
1145                     else
1146 #endif
1147                         dgst=EVP_md5();
1148                     }
1149
1150                 /* Add any extensions asked for */
1151
1152                 if(crl_ext) {
1153                     X509V3_CTX crlctx;
1154                     if (ci->version == NULL)
1155                     if ((ci->version=ASN1_INTEGER_new()) == NULL) goto err;
1156                     ASN1_INTEGER_set(ci->version,1); /* version 2 CRL */
1157                     X509V3_set_ctx(&crlctx, x509, NULL, NULL, crl, 0);
1158                     X509V3_set_conf_lhash(&crlctx, conf);
1159
1160                     if(!X509V3_EXT_CRL_add_conf(conf, &crlctx,
1161                                                  crl_ext, crl)) goto err;
1162                 }
1163
1164                 if (!X509_CRL_sign(crl,pkey,dgst)) goto err;
1165
1166                 PEM_write_bio_X509_CRL(Sout,crl);
1167                 }
1168         /*****************************************************************/
1169         if (dorevoke)
1170                 {
1171                 if (infile == NULL)
1172                         {
1173                         BIO_printf(bio_err,"no input files\n");
1174                         goto err;
1175                         }
1176                 else
1177                         {
1178                         X509 *revcert;
1179                         if (BIO_read_filename(in,infile) <= 0)
1180                                 {
1181                                 perror(infile);
1182                                 BIO_printf(bio_err,"error trying to load '%s' certificate\n",infile);
1183                                 goto err;
1184                                 }
1185                         revcert=PEM_read_bio_X509(in,NULL,NULL,NULL);
1186                         if (revcert == NULL)
1187                                 {
1188                                 BIO_printf(bio_err,"unable to load '%s' certificate\n",infile);
1189                                 goto err;
1190                                 }
1191                         j=do_revoke(revcert,db);
1192                         if (j <= 0) goto err;
1193                         X509_free(revcert);
1194
1195                         strncpy(buf[0],dbfile,BSIZE-4);
1196                         strcat(buf[0],".new");
1197                         if (BIO_write_filename(out,buf[0]) <= 0)
1198                                 {
1199                                 perror(dbfile);
1200                                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1201                                 goto err;
1202                                 }
1203                         j=TXT_DB_write(out,db);
1204                         if (j <= 0) goto err;
1205                         strncpy(buf[1],dbfile,BSIZE-4);
1206                         strcat(buf[1],".old");
1207                         if (rename(dbfile,buf[1]) < 0)
1208                                 {
1209                                 BIO_printf(bio_err,"unable to rename %s to %s\n", dbfile, buf[1]);
1210                                 perror("reason");
1211                                 goto err;
1212                                 }
1213                         if (rename(buf[0],dbfile) < 0)
1214                                 {
1215                                 BIO_printf(bio_err,"unable to rename %s to %s\n", buf[0],dbfile);
1216                                 perror("reason");
1217                                 rename(buf[1],dbfile);
1218                                 goto err;
1219                                 }
1220                         BIO_printf(bio_err,"Data Base Updated\n");
1221                         }
1222                 }
1223         /*****************************************************************/
1224         ret=0;
1225 err:
1226         BIO_free(hex);
1227         BIO_free(Cout);
1228         BIO_free(Sout);
1229         BIO_free(out);
1230         BIO_free(in);
1231
1232         sk_pop_free(cert_sk,X509_free);
1233
1234         if (ret) ERR_print_errors(bio_err);
1235         app_RAND_write_file(randfile, bio_err);
1236         BN_free(serial);
1237         TXT_DB_free(db);
1238         EVP_PKEY_free(pkey);
1239         X509_free(x509);
1240         X509_CRL_free(crl);
1241         CONF_free(conf);
1242         X509V3_EXT_cleanup();
1243         OBJ_cleanup();
1244         EXIT(ret);
1245         }
1246
1247 static void lookup_fail(char *name, char *tag)
1248         {
1249         BIO_printf(bio_err,"variable lookup failed for %s::%s\n",name,tag);
1250         }
1251
1252 static unsigned long index_serial_hash(char **a)
1253         {
1254         char *n;
1255
1256         n=a[DB_serial];
1257         while (*n == '0') n++;
1258         return(lh_strhash(n));
1259         }
1260
1261 static int index_serial_cmp(char **a, char **b)
1262         {
1263         char *aa,*bb;
1264
1265         for (aa=a[DB_serial]; *aa == '0'; aa++);
1266         for (bb=b[DB_serial]; *bb == '0'; bb++);
1267         return(strcmp(aa,bb));
1268         }
1269
1270 static unsigned long index_name_hash(char **a)
1271         { return(lh_strhash(a[DB_name])); }
1272
1273 static int index_name_qual(char **a)
1274         { return(a[0][0] == 'V'); }
1275
1276 static int index_name_cmp(char **a, char **b)
1277         { return(strcmp(a[DB_name],
1278              b[DB_name])); }
1279
1280 static BIGNUM *load_serial(char *serialfile)
1281         {
1282         BIO *in=NULL;
1283         BIGNUM *ret=NULL;
1284         MS_STATIC char buf[1024];
1285         ASN1_INTEGER *ai=NULL;
1286
1287         if ((in=BIO_new(BIO_s_file())) == NULL)
1288                 {
1289                 ERR_print_errors(bio_err);
1290                 goto err;
1291                 }
1292
1293         if (BIO_read_filename(in,serialfile) <= 0)
1294                 {
1295                 perror(serialfile);
1296                 goto err;
1297                 }
1298         ai=ASN1_INTEGER_new();
1299         if (ai == NULL) goto err;
1300         if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1301                 {
1302                 BIO_printf(bio_err,"unable to load number from %s\n",
1303                         serialfile);
1304                 goto err;
1305                 }
1306         ret=ASN1_INTEGER_to_BN(ai,NULL);
1307         if (ret == NULL)
1308                 {
1309                 BIO_printf(bio_err,"error converting number from bin to BIGNUM");
1310                 goto err;
1311                 }
1312 err:
1313         if (in != NULL) BIO_free(in);
1314         if (ai != NULL) ASN1_INTEGER_free(ai);
1315         return(ret);
1316         }
1317
1318 static int save_serial(char *serialfile, BIGNUM *serial)
1319         {
1320         BIO *out;
1321         int ret=0;
1322         ASN1_INTEGER *ai=NULL;
1323
1324         out=BIO_new(BIO_s_file());
1325         if (out == NULL)
1326                 {
1327                 ERR_print_errors(bio_err);
1328                 goto err;
1329                 }
1330         if (BIO_write_filename(out,serialfile) <= 0)
1331                 {
1332                 perror(serialfile);
1333                 goto err;
1334                 }
1335
1336         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1337                 {
1338                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1339                 goto err;
1340                 }
1341         i2a_ASN1_INTEGER(out,ai);
1342         BIO_puts(out,"\n");
1343         ret=1;
1344 err:
1345         if (out != NULL) BIO_free(out);
1346         if (ai != NULL) ASN1_INTEGER_free(ai);
1347         return(ret);
1348         }
1349
1350 static int certify(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
1351              const EVP_MD *dgst, STACK_OF(CONF_VALUE) *policy, TXT_DB *db,
1352              BIGNUM *serial, char *startdate, char *enddate, int days,
1353              int batch, char *ext_sect, LHASH *lconf, int verbose)
1354         {
1355         X509_REQ *req=NULL;
1356         BIO *in=NULL;
1357         EVP_PKEY *pktmp=NULL;
1358         int ok= -1,i;
1359
1360         in=BIO_new(BIO_s_file());
1361
1362         if (BIO_read_filename(in,infile) <= 0)
1363                 {
1364                 perror(infile);
1365                 goto err;
1366                 }
1367         if ((req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL)) == NULL)
1368                 {
1369                 BIO_printf(bio_err,"Error reading certificate request in %s\n",
1370                         infile);
1371                 goto err;
1372                 }
1373         if (verbose)
1374                 X509_REQ_print(bio_err,req);
1375
1376         BIO_printf(bio_err,"Check that the request matches the signature\n");
1377
1378         if ((pktmp=X509_REQ_get_pubkey(req)) == NULL)
1379                 {
1380                 BIO_printf(bio_err,"error unpacking public key\n");
1381                 goto err;
1382                 }
1383         i=X509_REQ_verify(req,pktmp);
1384         EVP_PKEY_free(pktmp);
1385         if (i < 0)
1386                 {
1387                 ok=0;
1388                 BIO_printf(bio_err,"Signature verification problems....\n");
1389                 goto err;
1390                 }
1391         if (i == 0)
1392                 {
1393                 ok=0;
1394                 BIO_printf(bio_err,"Signature did not match the certificate request\n");
1395                 goto err;
1396                 }
1397         else
1398                 BIO_printf(bio_err,"Signature ok\n");
1399
1400         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate, enddate,
1401                 days,batch,verbose,req,ext_sect,lconf);
1402
1403 err:
1404         if (req != NULL) X509_REQ_free(req);
1405         if (in != NULL) BIO_free(in);
1406         return(ok);
1407         }
1408
1409 static int certify_cert(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
1410              const EVP_MD *dgst, STACK_OF(CONF_VALUE) *policy, TXT_DB *db,
1411              BIGNUM *serial, char *startdate, char *enddate, int days,
1412              int batch, char *ext_sect, LHASH *lconf, int verbose)
1413         {
1414         X509 *req=NULL;
1415         X509_REQ *rreq=NULL;
1416         BIO *in=NULL;
1417         EVP_PKEY *pktmp=NULL;
1418         int ok= -1,i;
1419
1420         in=BIO_new(BIO_s_file());
1421
1422         if (BIO_read_filename(in,infile) <= 0)
1423                 {
1424                 perror(infile);
1425                 goto err;
1426                 }
1427         if ((req=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
1428                 {
1429                 BIO_printf(bio_err,"Error reading self signed certificate in %s\n",infile);
1430                 goto err;
1431                 }
1432         if (verbose)
1433                 X509_print(bio_err,req);
1434
1435         BIO_printf(bio_err,"Check that the request matches the signature\n");
1436
1437         if ((pktmp=X509_get_pubkey(req)) == NULL)
1438                 {
1439                 BIO_printf(bio_err,"error unpacking public key\n");
1440                 goto err;
1441                 }
1442         i=X509_verify(req,pktmp);
1443         EVP_PKEY_free(pktmp);
1444         if (i < 0)
1445                 {
1446                 ok=0;
1447                 BIO_printf(bio_err,"Signature verification problems....\n");
1448                 goto err;
1449                 }
1450         if (i == 0)
1451                 {
1452                 ok=0;
1453                 BIO_printf(bio_err,"Signature did not match the certificate\n");
1454                 goto err;
1455                 }
1456         else
1457                 BIO_printf(bio_err,"Signature ok\n");
1458
1459         if ((rreq=X509_to_X509_REQ(req,NULL,EVP_md5())) == NULL)
1460                 goto err;
1461
1462         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,enddate,days,
1463                 batch,verbose,rreq,ext_sect,lconf);
1464
1465 err:
1466         if (rreq != NULL) X509_REQ_free(rreq);
1467         if (req != NULL) X509_free(req);
1468         if (in != NULL) BIO_free(in);
1469         return(ok);
1470         }
1471
1472 static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, const EVP_MD *dgst,
1473              STACK_OF(CONF_VALUE) *policy, TXT_DB *db, BIGNUM *serial,
1474              char *startdate, char *enddate, int days, int batch, int verbose,
1475              X509_REQ *req, char *ext_sect, LHASH *lconf)
1476         {
1477         X509_NAME *name=NULL,*CAname=NULL,*subject=NULL;
1478         ASN1_UTCTIME *tm,*tmptm;
1479         ASN1_STRING *str,*str2;
1480         ASN1_OBJECT *obj;
1481         X509 *ret=NULL;
1482         X509_CINF *ci;
1483         X509_NAME_ENTRY *ne;
1484         X509_NAME_ENTRY *tne,*push;
1485         EVP_PKEY *pktmp;
1486         int ok= -1,i,j,last,nid;
1487         char *p;
1488         CONF_VALUE *cv;
1489         char *row[DB_NUMBER],**rrow,**irow=NULL;
1490         char buf[25],*pbuf;
1491
1492         tmptm=ASN1_UTCTIME_new();
1493         if (tmptm == NULL)
1494                 {
1495                 BIO_printf(bio_err,"malloc error\n");
1496                 return(0);
1497                 }
1498
1499         for (i=0; i<DB_NUMBER; i++)
1500                 row[i]=NULL;
1501
1502         BIO_printf(bio_err,"The Subjects Distinguished Name is as follows\n");
1503         name=X509_REQ_get_subject_name(req);
1504         for (i=0; i<X509_NAME_entry_count(name); i++)
1505                 {
1506                 ne=(X509_NAME_ENTRY *)X509_NAME_get_entry(name,i);
1507                 obj=X509_NAME_ENTRY_get_object(ne);
1508                 j=i2a_ASN1_OBJECT(bio_err,obj);
1509                 str=X509_NAME_ENTRY_get_data(ne);
1510                 pbuf=buf;
1511                 for (j=22-j; j>0; j--)
1512                         *(pbuf++)=' ';
1513                 *(pbuf++)=':';
1514                 *(pbuf++)='\0';
1515                 BIO_puts(bio_err,buf);
1516
1517                 if (msie_hack)
1518                         {
1519                         /* assume all type should be strings */
1520                         nid=OBJ_obj2nid(ne->object);
1521
1522                         if (str->type == V_ASN1_UNIVERSALSTRING)
1523                                 ASN1_UNIVERSALSTRING_to_string(str);
1524
1525                         if ((str->type == V_ASN1_IA5STRING) &&
1526                                 (nid != NID_pkcs9_emailAddress))
1527                                 str->type=V_ASN1_T61STRING;
1528
1529                         if ((nid == NID_pkcs9_emailAddress) &&
1530                                 (str->type == V_ASN1_PRINTABLESTRING))
1531                                 str->type=V_ASN1_IA5STRING;
1532                         }
1533
1534                 if (str->type == V_ASN1_PRINTABLESTRING)
1535                         BIO_printf(bio_err,"PRINTABLE:'");
1536                 else if (str->type == V_ASN1_T61STRING)
1537                         BIO_printf(bio_err,"T61STRING:'");
1538                 else if (str->type == V_ASN1_IA5STRING)
1539                         BIO_printf(bio_err,"IA5STRING:'");
1540                 else if (str->type == V_ASN1_UNIVERSALSTRING)
1541                         BIO_printf(bio_err,"UNIVERSALSTRING:'");
1542                 else
1543                         BIO_printf(bio_err,"ASN.1 %2d:'",str->type);
1544
1545                 /* check some things */
1546                 if ((OBJ_obj2nid(obj) == NID_pkcs9_emailAddress) &&
1547                         (str->type != V_ASN1_IA5STRING))
1548                         {
1549                         BIO_printf(bio_err,"\nemailAddress type needs to be of type IA5STRING\n");
1550                         goto err;
1551                         }
1552                 j=ASN1_PRINTABLE_type(str->data,str->length);
1553                 if (    ((j == V_ASN1_T61STRING) &&
1554                          (str->type != V_ASN1_T61STRING)) ||
1555                         ((j == V_ASN1_IA5STRING) &&
1556                          (str->type == V_ASN1_PRINTABLESTRING)))
1557                         {
1558                         BIO_printf(bio_err,"\nThe string contains characters that are illegal for the ASN.1 type\n");
1559                         goto err;
1560                         }
1561
1562                 p=(char *)str->data;
1563                 for (j=str->length; j>0; j--)
1564                         {
1565                         if ((*p >= ' ') && (*p <= '~'))
1566                                 BIO_printf(bio_err,"%c",*p);
1567                         else if (*p & 0x80)
1568                                 BIO_printf(bio_err,"\\0x%02X",*p);
1569                         else if ((unsigned char)*p == 0xf7)
1570                                 BIO_printf(bio_err,"^?");
1571                         else    BIO_printf(bio_err,"^%c",*p+'@');
1572                         p++;
1573                         }
1574                 BIO_printf(bio_err,"'\n");
1575                 }
1576
1577         /* Ok, now we check the 'policy' stuff. */
1578         if ((subject=X509_NAME_new()) == NULL)
1579                 {
1580                 BIO_printf(bio_err,"Malloc failure\n");
1581                 goto err;
1582                 }
1583
1584         /* take a copy of the issuer name before we mess with it. */
1585         CAname=X509_NAME_dup(x509->cert_info->subject);
1586         if (CAname == NULL) goto err;
1587         str=str2=NULL;
1588
1589         for (i=0; i<sk_CONF_VALUE_num(policy); i++)
1590                 {
1591                 cv=sk_CONF_VALUE_value(policy,i); /* get the object id */
1592                 if ((j=OBJ_txt2nid(cv->name)) == NID_undef)
1593                         {
1594                         BIO_printf(bio_err,"%s:unknown object type in 'policy' configuration\n",cv->name);
1595                         goto err;
1596                         }
1597                 obj=OBJ_nid2obj(j);
1598
1599                 last= -1;
1600                 for (;;)
1601                         {
1602                         /* lookup the object in the supplied name list */
1603                         j=X509_NAME_get_index_by_OBJ(name,obj,last);
1604                         if (j < 0)
1605                                 {
1606                                 if (last != -1) break;
1607                                 tne=NULL;
1608                                 }
1609                         else
1610                                 {
1611                                 tne=X509_NAME_get_entry(name,j);
1612                                 }
1613                         last=j;
1614
1615                         /* depending on the 'policy', decide what to do. */
1616                         push=NULL;
1617                         if (strcmp(cv->value,"optional") == 0)
1618                                 {
1619                                 if (tne != NULL)
1620                                         push=tne;
1621                                 }
1622                         else if (strcmp(cv->value,"supplied") == 0)
1623                                 {
1624                                 if (tne == NULL)
1625                                         {
1626                                         BIO_printf(bio_err,"The %s field needed to be supplied and was missing\n",cv->name);
1627                                         goto err;
1628                                         }
1629                                 else
1630                                         push=tne;
1631                                 }
1632                         else if (strcmp(cv->value,"match") == 0)
1633                                 {
1634                                 int last2;
1635
1636                                 if (tne == NULL)
1637                                         {
1638                                         BIO_printf(bio_err,"The mandatory %s field was missing\n",cv->name);
1639                                         goto err;
1640                                         }
1641
1642                                 last2= -1;
1643
1644 again2:
1645                                 j=X509_NAME_get_index_by_OBJ(CAname,obj,last2);
1646                                 if ((j < 0) && (last2 == -1))
1647                                         {
1648                                         BIO_printf(bio_err,"The %s field does not exist in the CA certificate,\nthe 'policy' is misconfigured\n",cv->name);
1649                                         goto err;
1650                                         }
1651                                 if (j >= 0)
1652                                         {
1653                                         push=X509_NAME_get_entry(CAname,j);
1654                                         str=X509_NAME_ENTRY_get_data(tne);
1655                                         str2=X509_NAME_ENTRY_get_data(push);
1656                                         last2=j;
1657                                         if (ASN1_STRING_cmp(str,str2) != 0)
1658                                                 goto again2;
1659                                         }
1660                                 if (j < 0)
1661                                         {
1662                                         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));
1663                                         goto err;
1664                                         }
1665                                 }
1666                         else
1667                                 {
1668                                 BIO_printf(bio_err,"%s:invalid type in 'policy' configuration\n",cv->value);
1669                                 goto err;
1670                                 }
1671
1672                         if (push != NULL)
1673                                 {
1674                                 if (!X509_NAME_add_entry(subject,push, -1, 0))
1675                                         {
1676                                         if (push != NULL)
1677                                                 X509_NAME_ENTRY_free(push);
1678                                         BIO_printf(bio_err,"Malloc failure\n");
1679                                         goto err;
1680                                         }
1681                                 }
1682                         if (j < 0) break;
1683                         }
1684                 }
1685
1686         if (preserve)
1687                 {
1688                 X509_NAME_free(subject);
1689                 subject=X509_NAME_dup(X509_REQ_get_subject_name(req));
1690                 if (subject == NULL) goto err;
1691                 }
1692
1693         if (verbose)
1694                 BIO_printf(bio_err,"The subject name apears to be ok, checking data base for clashes\n");
1695
1696         row[DB_name]=X509_NAME_oneline(subject,NULL,0);
1697         row[DB_serial]=BN_bn2hex(serial);
1698         if ((row[DB_name] == NULL) || (row[DB_serial] == NULL))
1699                 {
1700                 BIO_printf(bio_err,"Malloc failure\n");
1701                 goto err;
1702                 }
1703
1704         rrow=TXT_DB_get_by_index(db,DB_name,row);
1705         if (rrow != NULL)
1706                 {
1707                 BIO_printf(bio_err,"ERROR:There is already a certificate for %s\n",
1708                         row[DB_name]);
1709                 }
1710         else
1711                 {
1712                 rrow=TXT_DB_get_by_index(db,DB_serial,row);
1713                 if (rrow != NULL)
1714                         {
1715                         BIO_printf(bio_err,"ERROR:Serial number %s has already been issued,\n",
1716                                 row[DB_serial]);
1717                         BIO_printf(bio_err,"      check the database/serial_file for corruption\n");
1718                         }
1719                 }
1720
1721         if (rrow != NULL)
1722                 {
1723                 BIO_printf(bio_err,
1724                         "The matching entry has the following details\n");
1725                 if (rrow[DB_type][0] == 'E')
1726                         p="Expired";
1727                 else if (rrow[DB_type][0] == 'R')
1728                         p="Revoked";
1729                 else if (rrow[DB_type][0] == 'V')
1730                         p="Valid";
1731                 else
1732                         p="\ninvalid type, Data base error\n";
1733                 BIO_printf(bio_err,"Type          :%s\n",p);;
1734                 if (rrow[DB_type][0] == 'R')
1735                         {
1736                         p=rrow[DB_exp_date]; if (p == NULL) p="undef";
1737                         BIO_printf(bio_err,"Was revoked on:%s\n",p);
1738                         }
1739                 p=rrow[DB_exp_date]; if (p == NULL) p="undef";
1740                 BIO_printf(bio_err,"Expires on    :%s\n",p);
1741                 p=rrow[DB_serial]; if (p == NULL) p="undef";
1742                 BIO_printf(bio_err,"Serial Number :%s\n",p);
1743                 p=rrow[DB_file]; if (p == NULL) p="undef";
1744                 BIO_printf(bio_err,"File name     :%s\n",p);
1745                 p=rrow[DB_name]; if (p == NULL) p="undef";
1746                 BIO_printf(bio_err,"Subject Name  :%s\n",p);
1747                 ok= -1; /* This is now a 'bad' error. */
1748                 goto err;
1749                 }
1750
1751         /* We are now totaly happy, lets make and sign the certificate */
1752         if (verbose)
1753                 BIO_printf(bio_err,"Everything appears to be ok, creating and signing the certificate\n");
1754
1755         if ((ret=X509_new()) == NULL) goto err;
1756         ci=ret->cert_info;
1757
1758 #ifdef X509_V3
1759         /* Make it an X509 v3 certificate. */
1760         if (!X509_set_version(x509,2)) goto err;
1761 #endif
1762
1763         if (BN_to_ASN1_INTEGER(serial,ci->serialNumber) == NULL)
1764                 goto err;
1765         if (!X509_set_issuer_name(ret,X509_get_subject_name(x509)))
1766                 goto err;
1767
1768         BIO_printf(bio_err,"Certificate is to be certified until ");
1769         if (strcmp(startdate,"today") == 0)
1770                 X509_gmtime_adj(X509_get_notBefore(ret),0);
1771         else ASN1_UTCTIME_set_string(X509_get_notBefore(ret),startdate);
1772
1773         if (enddate == NULL)
1774                 X509_gmtime_adj(X509_get_notAfter(ret),(long)60*60*24*days);
1775         else ASN1_UTCTIME_set_string(X509_get_notAfter(ret),enddate);
1776
1777         ASN1_UTCTIME_print(bio_err,X509_get_notAfter(ret));
1778         if(days) BIO_printf(bio_err," (%d days)",days);
1779         BIO_printf(bio_err, "\n");
1780
1781         if (!X509_set_subject_name(ret,subject)) goto err;
1782
1783         pktmp=X509_REQ_get_pubkey(req);
1784         i = X509_set_pubkey(ret,pktmp);
1785         EVP_PKEY_free(pktmp);
1786         if (!i) goto err;
1787
1788         /* Lets add the extensions, if there are any */
1789         if (ext_sect)
1790                 {
1791                 X509V3_CTX ctx;
1792                 if (ci->version == NULL)
1793                         if ((ci->version=ASN1_INTEGER_new()) == NULL)
1794                                 goto err;
1795                 ASN1_INTEGER_set(ci->version,2); /* version 3 certificate */
1796
1797                 /* Free the current entries if any, there should not
1798                  * be any I belive */
1799                 if (ci->extensions != NULL)
1800                         sk_X509_EXTENSION_pop_free(ci->extensions,
1801                                                    X509_EXTENSION_free);
1802
1803                 ci->extensions = NULL;
1804
1805                 X509V3_set_ctx(&ctx, x509, ret, req, NULL, 0);
1806                 X509V3_set_conf_lhash(&ctx, lconf);
1807
1808                 if(!X509V3_EXT_add_conf(lconf, &ctx, ext_sect, ret)) goto err;
1809
1810                 }
1811
1812
1813         if (!batch)
1814                 {
1815                 BIO_printf(bio_err,"Sign the certificate? [y/n]:");
1816                 (void)BIO_flush(bio_err);
1817                 buf[0]='\0';
1818                 fgets(buf,sizeof(buf)-1,stdin);
1819                 if (!((buf[0] == 'y') || (buf[0] == 'Y')))
1820                         {
1821                         BIO_printf(bio_err,"CERTIFICATE WILL NOT BE CERTIFIED\n");
1822                         ok=0;
1823                         goto err;
1824                         }
1825                 }
1826
1827
1828 #ifndef NO_DSA
1829         if (pkey->type == EVP_PKEY_DSA) dgst=EVP_dss1();
1830         pktmp=X509_get_pubkey(ret);
1831         if (EVP_PKEY_missing_parameters(pktmp) &&
1832                 !EVP_PKEY_missing_parameters(pkey))
1833                 EVP_PKEY_copy_parameters(pktmp,pkey);
1834         EVP_PKEY_free(pktmp);
1835 #endif
1836
1837         if (!X509_sign(ret,pkey,dgst))
1838                 goto err;
1839
1840         /* We now just add it to the database */
1841         row[DB_type]=(char *)Malloc(2);
1842
1843         tm=X509_get_notAfter(ret);
1844         row[DB_exp_date]=(char *)Malloc(tm->length+1);
1845         memcpy(row[DB_exp_date],tm->data,tm->length);
1846         row[DB_exp_date][tm->length]='\0';
1847
1848         row[DB_rev_date]=NULL;
1849
1850         /* row[DB_serial] done already */
1851         row[DB_file]=(char *)Malloc(8);
1852         /* row[DB_name] done already */
1853
1854         if ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||
1855                 (row[DB_file] == NULL))
1856                 {
1857                 BIO_printf(bio_err,"Malloc failure\n");
1858                 goto err;
1859                 }
1860         strcpy(row[DB_file],"unknown");
1861         row[DB_type][0]='V';
1862         row[DB_type][1]='\0';
1863
1864         if ((irow=(char **)Malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)
1865                 {
1866                 BIO_printf(bio_err,"Malloc failure\n");
1867                 goto err;
1868                 }
1869
1870         for (i=0; i<DB_NUMBER; i++)
1871                 {
1872                 irow[i]=row[i];
1873                 row[i]=NULL;
1874                 }
1875         irow[DB_NUMBER]=NULL;
1876
1877         if (!TXT_DB_insert(db,irow))
1878                 {
1879                 BIO_printf(bio_err,"failed to update database\n");
1880                 BIO_printf(bio_err,"TXT_DB error number %ld\n",db->error);
1881                 goto err;
1882                 }
1883         ok=1;
1884 err:
1885         for (i=0; i<DB_NUMBER; i++)
1886                 if (row[i] != NULL) Free(row[i]);
1887
1888         if (CAname != NULL)
1889                 X509_NAME_free(CAname);
1890         if (subject != NULL)
1891                 X509_NAME_free(subject);
1892         if (tmptm != NULL)
1893                 ASN1_UTCTIME_free(tmptm);
1894         if (ok <= 0)
1895                 {
1896                 if (ret != NULL) X509_free(ret);
1897                 ret=NULL;
1898                 }
1899         else
1900                 *xret=ret;
1901         return(ok);
1902         }
1903
1904 static void write_new_certificate(BIO *bp, X509 *x, int output_der)
1905         {
1906         char *f;
1907         char buf[256];
1908
1909         if (output_der)
1910                 {
1911                 (void)i2d_X509_bio(bp,x);
1912                 return;
1913                 }
1914
1915         f=X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
1916         BIO_printf(bp,"issuer :%s\n",f);
1917
1918         f=X509_NAME_oneline(X509_get_subject_name(x),buf,256);
1919         BIO_printf(bp,"subject:%s\n",f);
1920
1921         BIO_puts(bp,"serial :");
1922         i2a_ASN1_INTEGER(bp,x->cert_info->serialNumber);
1923         BIO_puts(bp,"\n\n");
1924         X509_print(bp,x);
1925         BIO_puts(bp,"\n");
1926         PEM_write_bio_X509(bp,x);
1927         BIO_puts(bp,"\n");
1928         }
1929
1930 static int certify_spkac(X509 **xret, char *infile, EVP_PKEY *pkey, X509 *x509,
1931              const EVP_MD *dgst, STACK_OF(CONF_VALUE) *policy, TXT_DB *db,
1932              BIGNUM *serial, char *startdate, char *enddate, int days,
1933              char *ext_sect, LHASH *lconf, int verbose)
1934         {
1935         STACK_OF(CONF_VALUE) *sk=NULL;
1936         LHASH *parms=NULL;
1937         X509_REQ *req=NULL;
1938         CONF_VALUE *cv=NULL;
1939         NETSCAPE_SPKI *spki = NULL;
1940         X509_REQ_INFO *ri;
1941         char *type,*buf;
1942         EVP_PKEY *pktmp=NULL;
1943         X509_NAME *n=NULL;
1944         X509_NAME_ENTRY *ne=NULL;
1945         int ok= -1,i,j;
1946         long errline;
1947         int nid;
1948
1949         /*
1950          * Load input file into a hash table.  (This is just an easy
1951          * way to read and parse the file, then put it into a convenient
1952          * STACK format).
1953          */
1954         parms=CONF_load(NULL,infile,&errline);
1955         if (parms == NULL)
1956                 {
1957                 BIO_printf(bio_err,"error on line %ld of %s\n",errline,infile);
1958                 ERR_print_errors(bio_err);
1959                 goto err;
1960                 }
1961
1962         sk=CONF_get_section(parms, "default");
1963         if (sk_CONF_VALUE_num(sk) == 0)
1964                 {
1965                 BIO_printf(bio_err, "no name/value pairs found in %s\n", infile);
1966                 CONF_free(parms);
1967                 goto err;
1968                 }
1969
1970         /*
1971          * Now create a dummy X509 request structure.  We don't actually
1972          * have an X509 request, but we have many of the components
1973          * (a public key, various DN components).  The idea is that we
1974          * put these components into the right X509 request structure
1975          * and we can use the same code as if you had a real X509 request.
1976          */
1977         req=X509_REQ_new();
1978         if (req == NULL)
1979                 {
1980                 ERR_print_errors(bio_err);
1981                 goto err;
1982                 }
1983
1984         /*
1985          * Build up the subject name set.
1986          */
1987         ri=req->req_info;
1988         n = ri->subject;
1989
1990         for (i = 0; ; i++)
1991                 {
1992                 if (sk_CONF_VALUE_num(sk) <= i) break;
1993
1994                 cv=sk_CONF_VALUE_value(sk,i);
1995                 type=cv->name;
1996                 /* Skip past any leading X. X: X, etc to allow for
1997                  * multiple instances
1998                  */
1999                 for(buf = cv->name; *buf ; buf++)
2000                         if ((*buf == ':') || (*buf == ',') || (*buf == '.')) {
2001                                         buf++;
2002                                         if(*buf) type = buf;
2003                                         break;
2004                 }
2005
2006                 buf=cv->value;
2007                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
2008                         {
2009                         if (strcmp(type, "SPKAC") == 0)
2010                                 {
2011                                 spki = NETSCAPE_SPKI_b64_decode(cv->value, -1);
2012                                 if (spki == NULL)
2013                                         {
2014                                         BIO_printf(bio_err,"unable to load Netscape SPKAC structure\n");
2015                                         ERR_print_errors(bio_err);
2016                                         goto err;
2017                                         }
2018                                 }
2019                         continue;
2020                         }
2021
2022                 j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
2023                 if (fix_data(nid, &j) == 0)
2024                         {
2025                         BIO_printf(bio_err,
2026                                 "invalid characters in string %s\n",buf);
2027                         goto err;
2028                         }
2029
2030                 if ((ne=X509_NAME_ENTRY_create_by_NID(&ne,nid,j,
2031                         (unsigned char *)buf,
2032                         strlen(buf))) == NULL)
2033                         goto err;
2034
2035                 if (!X509_NAME_add_entry(n,ne,-1, 0)) goto err;
2036                 }
2037         if (spki == NULL)
2038                 {
2039                 BIO_printf(bio_err,"Netscape SPKAC structure not found in %s\n",
2040                         infile);
2041                 goto err;
2042                 }
2043
2044         /*
2045          * Now extract the key from the SPKI structure.
2046          */
2047
2048         BIO_printf(bio_err,"Check that the SPKAC request matches the signature\n");
2049
2050         if ((pktmp=NETSCAPE_SPKI_get_pubkey(spki)) == NULL)
2051                 {
2052                 BIO_printf(bio_err,"error unpacking SPKAC public key\n");
2053                 goto err;
2054                 }
2055
2056         j = NETSCAPE_SPKI_verify(spki, pktmp);
2057         if (j <= 0)
2058                 {
2059                 BIO_printf(bio_err,"signature verification failed on SPKAC public key\n");
2060                 goto err;
2061                 }
2062         BIO_printf(bio_err,"Signature ok\n");
2063
2064         X509_REQ_set_pubkey(req,pktmp);
2065         EVP_PKEY_free(pktmp);
2066         ok=do_body(xret,pkey,x509,dgst,policy,db,serial,startdate,enddate,
2067                    days,1,verbose,req,ext_sect,lconf);
2068 err:
2069         if (req != NULL) X509_REQ_free(req);
2070         if (parms != NULL) CONF_free(parms);
2071         if (spki != NULL) NETSCAPE_SPKI_free(spki);
2072         if (ne != NULL) X509_NAME_ENTRY_free(ne);
2073
2074         return(ok);
2075         }
2076
2077 static int fix_data(int nid, int *type)
2078         {
2079         if (nid == NID_pkcs9_emailAddress)
2080                 *type=V_ASN1_IA5STRING;
2081         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
2082                 *type=V_ASN1_T61STRING;
2083         if ((nid == NID_pkcs9_challengePassword) && (*type == V_ASN1_IA5STRING))
2084                 *type=V_ASN1_T61STRING;
2085         if ((nid == NID_pkcs9_unstructuredName) && (*type == V_ASN1_T61STRING))
2086                 return(0);
2087         if (nid == NID_pkcs9_unstructuredName)
2088                 *type=V_ASN1_IA5STRING;
2089         return(1);
2090         }
2091
2092 static int check_time_format(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
2102 static int add_oid_section(LHASH *hconf)
2103 {
2104         char *p;
2105         STACK_OF(CONF_VALUE) *sktmp;
2106         CONF_VALUE *cnf;
2107         int i;
2108         if(!(p=CONF_get_string(hconf,NULL,"oid_section"))) return 1;
2109         if(!(sktmp = CONF_get_section(hconf, p))) {
2110                 BIO_printf(bio_err, "problem loading oid section %s\n", p);
2111                 return 0;
2112         }
2113         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
2114                 cnf = sk_CONF_VALUE_value(sktmp, i);
2115                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
2116                         BIO_printf(bio_err, "problem creating object %s=%s\n",
2117                                                          cnf->name, cnf->value);
2118                         return 0;
2119                 }
2120         }
2121         return 1;
2122 }
2123
2124 static int do_revoke(X509 *x509, TXT_DB *db)
2125 {
2126         ASN1_UTCTIME *tm=NULL, *revtm=NULL;
2127         char *row[DB_NUMBER],**rrow,**irow;
2128         BIGNUM *bn = NULL;
2129         int ok=-1,i;
2130
2131         for (i=0; i<DB_NUMBER; i++)
2132                 row[i]=NULL;
2133         row[DB_name]=X509_NAME_oneline(X509_get_subject_name(x509),NULL,0);
2134         bn = ASN1_INTEGER_to_BN(X509_get_serialNumber(x509),NULL);
2135         row[DB_serial]=BN_bn2hex(bn);
2136         BN_free(bn);
2137         if ((row[DB_name] == NULL) || (row[DB_serial] == NULL))
2138                 {
2139                 BIO_printf(bio_err,"Malloc failure\n");
2140                 goto err;
2141                 }
2142         /* We have to lookup by serial number because name lookup
2143          * skips revoked certs
2144          */
2145         rrow=TXT_DB_get_by_index(db,DB_serial,row);
2146         if (rrow == NULL)
2147                 {
2148                 BIO_printf(bio_err,"Adding Entry to DB for %s\n", row[DB_name]);
2149
2150                 /* We now just add it to the database */
2151                 row[DB_type]=(char *)Malloc(2);
2152
2153                 tm=X509_get_notAfter(x509);
2154                 row[DB_exp_date]=(char *)Malloc(tm->length+1);
2155                 memcpy(row[DB_exp_date],tm->data,tm->length);
2156                 row[DB_exp_date][tm->length]='\0';
2157
2158                 row[DB_rev_date]=NULL;
2159
2160                 /* row[DB_serial] done already */
2161                 row[DB_file]=(char *)Malloc(8);
2162
2163                 /* row[DB_name] done already */
2164
2165                 if ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||
2166                         (row[DB_file] == NULL))
2167                         {
2168                         BIO_printf(bio_err,"Malloc failure\n");
2169                         goto err;
2170                         }
2171                 strcpy(row[DB_file],"unknown");
2172                 row[DB_type][0]='V';
2173                 row[DB_type][1]='\0';
2174
2175                 if ((irow=(char **)Malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)
2176                         {
2177                         BIO_printf(bio_err,"Malloc failure\n");
2178                         goto err;
2179                         }
2180
2181                 for (i=0; i<DB_NUMBER; i++)
2182                         {
2183                         irow[i]=row[i];
2184                         row[i]=NULL;
2185                         }
2186                 irow[DB_NUMBER]=NULL;
2187
2188                 if (!TXT_DB_insert(db,irow))
2189                         {
2190                         BIO_printf(bio_err,"failed to update database\n");
2191                         BIO_printf(bio_err,"TXT_DB error number %ld\n",db->error);
2192                         goto err;
2193                         }
2194
2195                 /* Revoke Certificate */
2196                 ok = do_revoke(x509,db);
2197
2198                 goto err;
2199
2200                 }
2201         else if (index_name_cmp(row,rrow))
2202                 {
2203                 BIO_printf(bio_err,"ERROR:name does not match %s\n",
2204                            row[DB_name]);
2205                 goto err;
2206                 }
2207         else if (rrow[DB_type][0]=='R')
2208                 {
2209                 BIO_printf(bio_err,"ERROR:Already revoked, serial number %s\n",
2210                            row[DB_serial]);
2211                 goto err;
2212                 }
2213         else
2214                 {
2215                 BIO_printf(bio_err,"Revoking Certificate %s.\n", rrow[DB_serial]);
2216                 revtm = ASN1_UTCTIME_new();
2217                 revtm=X509_gmtime_adj(revtm,0);
2218                 rrow[DB_type][0]='R';
2219                 rrow[DB_type][1]='\0';
2220                 rrow[DB_rev_date]=(char *)Malloc(revtm->length+1);
2221                 memcpy(rrow[DB_rev_date],revtm->data,revtm->length);
2222                 rrow[DB_rev_date][revtm->length]='\0';
2223                 ASN1_UTCTIME_free(revtm);
2224                 }
2225         ok=1;
2226 err:
2227         for (i=0; i<DB_NUMBER; i++)
2228                 {
2229                 if (row[i] != NULL)
2230                         Free(row[i]);
2231                 }
2232         return(ok);
2233 }
2234