userapps/opensource/openssl/apps/apps.c

   1 /* apps/apps.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  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111
 112 #include <stdio.h>
 113 #include <stdlib.h>
 114 #include <string.h>
 115 #include <sys/types.h>
 116 #include <sys/stat.h>
 117 #include <ctype.h>
 118 #include <openssl/err.h>
 119 #include <openssl/x509.h>
 120 #include <openssl/x509v3.h>
 121 #include <openssl/pem.h>
 122 #include <openssl/pkcs12.h>
 123 #include <openssl/ui.h>
 124 #include <openssl/safestack.h>
 125 #ifndef OPENSSL_NO_ENGINE
 126 #include <openssl/engine.h>
 127 #endif
 128
 129 #define NON_MAIN
 130 #include "apps.h"
 131 #undef NON_MAIN
 132
 133 typedef struct {
 134         char *name;
 135         unsigned long flag;
 136         unsigned long mask;
 137 } NAME_EX_TBL;
 138
 139 static UI_METHOD *ui_method = NULL;
 140
 141 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 142 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 143
 144 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 145 /* Looks like this stuff is worth moving into separate function */
 146 static EVP_PKEY *
 147 load_netscape_key(BIO *err, BIO *key, const char *file,
 148                 const char *key_descrip, int format);
 149 #endif
 150
 151 int app_init(long mesgwin);
 152 #ifdef undef /* never finished - probably never will be :-) */
 153 int args_from_file(char *file, int *argc, char **argv[])
 154         {
 155         FILE *fp;
 156         int num,i;
 157         unsigned int len;
 158         static char *buf=NULL;
 159         static char **arg=NULL;
 160         char *p;
 161         struct stat stbuf;
 162
 163         if (stat(file,&stbuf) < 0) return(0);
 164
 165         fp=fopen(file,"r");
 166         if (fp == NULL)
 167                 return(0);
 168
 169         *argc=0;
 170         *argv=NULL;
 171
 172         len=(unsigned int)stbuf.st_size;
 173         if (buf != NULL) OPENSSL_free(buf);
 174         buf=(char *)OPENSSL_malloc(len+1);
 175         if (buf == NULL) return(0);
 176
 177         len=fread(buf,1,len,fp);
 178         if (len <= 1) return(0);
 179         buf[len]='\0';
 180
 181         i=0;
 182         for (p=buf; *p; p++)
 183                 if (*p == '\n') i++;
 184         if (arg != NULL) OPENSSL_free(arg);
 185         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 186
 187         *argv=arg;
 188         num=0;
 189         p=buf;
 190         for (;;)
 191                 {
 192                 if (!*p) break;
 193                 if (*p == '#') /* comment line */
 194                         {
 195                         while (*p && (*p != '\n')) p++;
 196                         continue;
 197                         }
 198                 /* else we have a line */
 199                 *(arg++)=p;
 200                 num++;
 201                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 202                         p++;
 203                 if (!*p) break;
 204                 if (*p == '\n')
 205                         {
 206                         *(p++)='\0';
 207                         continue;
 208                         }
 209                 /* else it is a tab or space */
 210                 p++;
 211                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 212                         p++;
 213                 if (!*p) break;
 214                 if (*p == '\n')
 215                         {
 216                         p++;
 217                         continue;
 218                         }
 219                 *(arg++)=p++;
 220                 num++;
 221                 while (*p && (*p != '\n')) p++;
 222                 if (!*p) break;
 223                 /* else *p == '\n' */
 224                 *(p++)='\0';
 225                 }
 226         *argc=num;
 227         return(1);
 228         }
 229 #endif
 230
 231 int str2fmt(char *s)
 232         {
 233         if      ((*s == 'D') || (*s == 'd'))
 234                 return(FORMAT_ASN1);
 235         else if ((*s == 'T') || (*s == 't'))
 236                 return(FORMAT_TEXT);
 237         else if ((*s == 'P') || (*s == 'p'))
 238                 return(FORMAT_PEM);
 239         else if ((*s == 'N') || (*s == 'n'))
 240                 return(FORMAT_NETSCAPE);
 241         else if ((*s == 'S') || (*s == 's'))
 242                 return(FORMAT_SMIME);
 243         else if ((*s == '1')
 244                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 245                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 246                 return(FORMAT_PKCS12);
 247         else if ((*s == 'E') || (*s == 'e'))
 248                 return(FORMAT_ENGINE);
 249         else
 250                 return(FORMAT_UNDEF);
 251         }
 252
 253 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
 254 void program_name(char *in, char *out, int size)
 255         {
 256         int i,n;
 257         char *p=NULL;
 258
 259         n=strlen(in);
 260         /* find the last '/', '\' or ':' */
 261         for (i=n-1; i>0; i--)
 262                 {
 263                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 264                         {
 265                         p= &(in[i+1]);
 266                         break;
 267                         }
 268                 }
 269         if (p == NULL)
 270                 p=in;
 271         n=strlen(p);
 272         /* strip off trailing .exe if present. */
 273         if ((n > 4) && (p[n-4] == '.') &&
 274                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 275                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 276                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 277                 n-=4;
 278         if (n > size-1)
 279                 n=size-1;
 280
 281         for (i=0; i<n; i++)
 282                 {
 283                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 284                         out[i]=p[i]-'A'+'a';
 285                 else
 286                         out[i]=p[i];
 287                 }
 288         out[n]='\0';
 289         }
 290 #else
 291 #ifdef OPENSSL_SYS_VMS
 292 void program_name(char *in, char *out, int size)
 293         {
 294         char *p=in, *q;
 295         char *chars=":]>";
 296
 297         while(*chars != '\0')
 298                 {
 299                 q=strrchr(p,*chars);
 300                 if (q > p)
 301                         p = q + 1;
 302                 chars++;
 303                 }
 304
 305         q=strrchr(p,'.');
 306         if (q == NULL)
 307                 q = p + strlen(p);
 308         strncpy(out,p,size-1);
 309         if (q-p >= size)
 310                 {
 311                 out[size-1]='\0';
 312                 }
 313         else
 314                 {
 315                 out[q-p]='\0';
 316                 }
 317         }
 318 #else
 319 void program_name(char *in, char *out, int size)
 320         {
 321         char *p;
 322
 323         p=strrchr(in,'/');
 324         if (p != NULL)
 325                 p++;
 326         else
 327                 p=in;
 328         BUF_strlcpy(out,p,size);
 329         }
 330 #endif
 331 #endif
 332
 333 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 334         {
 335         int num,len,i;
 336         char *p;
 337
 338         *argc=0;
 339         *argv=NULL;
 340
 341         len=strlen(buf);
 342         i=0;
 343         if (arg->count == 0)
 344                 {
 345                 arg->count=20;
 346                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 347                 }
 348         for (i=0; i<arg->count; i++)
 349                 arg->data[i]=NULL;
 350
 351         num=0;
 352         p=buf;
 353         for (;;)
 354                 {
 355                 /* first scan over white space */
 356                 if (!*p) break;
 357                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 358                         p++;
 359                 if (!*p) break;
 360
 361                 /* The start of something good :-) */
 362                 if (num >= arg->count)
 363                         {
 364                         arg->count+=20;
 365                         arg->data=(char **)OPENSSL_realloc(arg->data,
 366                                 sizeof(char *)*arg->count);
 367                         if (argc == 0) return(0);
 368                         }
 369                 arg->data[num++]=p;
 370
 371                 /* now look for the end of this */
 372                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 373                         {
 374                         i= *(p++);
 375                         arg->data[num-1]++; /* jump over quote */
 376                         while (*p && (*p != i))
 377                                 p++;
 378                         *p='\0';
 379                         }
 380                 else
 381                         {
 382                         while (*p && ((*p != ' ') &&
 383                                 (*p != '\t') && (*p != '\n')))
 384                                 p++;
 385
 386                         if (*p == '\0')
 387                                 p--;
 388                         else
 389                                 *p='\0';
 390                         }
 391                 p++;
 392                 }
 393         *argc=num;
 394         *argv=arg->data;
 395         return(1);
 396         }
 397
 398 #ifndef APP_INIT
 399 int app_init(long mesgwin)
 400         {
 401         return(1);
 402         }
 403 #endif
 404
 405
 406 int dump_cert_text (BIO *out, X509 *x)
 407 {
 408         char *p;
 409
 410         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 411         BIO_puts(out,"subject=");
 412         BIO_puts(out,p);
 413         OPENSSL_free(p);
 414
 415         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 416         BIO_puts(out,"\nissuer=");
 417         BIO_puts(out,p);
 418         BIO_puts(out,"\n");
 419         OPENSSL_free(p);
 420
 421         return 0;
 422 }
 423
 424 static int ui_open(UI *ui)
 425         {
 426         return UI_method_get_opener(UI_OpenSSL())(ui);
 427         }
 428 static int ui_read(UI *ui, UI_STRING *uis)
 429         {
 430         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 431                 && UI_get0_user_data(ui))
 432                 {
 433                 switch(UI_get_string_type(uis))
 434                         {
 435                 case UIT_PROMPT:
 436                 case UIT_VERIFY:
 437                         {
 438                         const char *password =
 439                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 440                         if (password && password[0] != '\0')
 441                                 {
 442                                 UI_set_result(ui, uis, password);
 443                                 return 1;
 444                                 }
 445                         }
 446                 default:
 447                         break;
 448                         }
 449                 }
 450         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 451         }
 452 static int ui_write(UI *ui, UI_STRING *uis)
 453         {
 454         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 455                 && UI_get0_user_data(ui))
 456                 {
 457                 switch(UI_get_string_type(uis))
 458                         {
 459                 case UIT_PROMPT:
 460                 case UIT_VERIFY:
 461                         {
 462                         const char *password =
 463                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 464                         if (password && password[0] != '\0')
 465                                 return 1;
 466                         }
 467                 default:
 468                         break;
 469                         }
 470                 }
 471         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 472         }
 473 static int ui_close(UI *ui)
 474         {
 475         return UI_method_get_closer(UI_OpenSSL())(ui);
 476         }
 477 int setup_ui_method(void)
 478         {
 479         ui_method = UI_create_method("OpenSSL application user interface");
 480         UI_method_set_opener(ui_method, ui_open);
 481         UI_method_set_reader(ui_method, ui_read);
 482         UI_method_set_writer(ui_method, ui_write);
 483         UI_method_set_closer(ui_method, ui_close);
 484         return 0;
 485         }
 486 void destroy_ui_method(void)
 487         {
 488         if(ui_method)
 489                 {
 490                 UI_destroy_method(ui_method);
 491                 ui_method = NULL;
 492                 }
 493         }
 494 int password_callback(char *buf, int bufsiz, int verify,
 495         PW_CB_DATA *cb_tmp)
 496         {
 497         UI *ui = NULL;
 498         int res = 0;
 499         const char *prompt_info = NULL;
 500         const char *password = NULL;
 501         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 502
 503         if (cb_data)
 504                 {
 505                 if (cb_data->password)
 506                         password = cb_data->password;
 507                 if (cb_data->prompt_info)
 508                         prompt_info = cb_data->prompt_info;
 509                 }
 510
 511         if (password)
 512                 {
 513                 res = strlen(password);
 514                 if (res > bufsiz)
 515                         res = bufsiz;
 516                 memcpy(buf, password, res);
 517                 return res;
 518                 }
 519
 520         ui = UI_new_method(ui_method);
 521         if (ui)
 522                 {
 523                 int ok = 0;
 524                 char *buff = NULL;
 525                 int ui_flags = 0;
 526                 char *prompt = NULL;
 527
 528                 prompt = UI_construct_prompt(ui, "pass phrase",
 529                         prompt_info);
 530
 531                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 532                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 533
 534                 if (ok >= 0)
 535                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 536                                 PW_MIN_LENGTH,BUFSIZ-1);
 537                 if (ok >= 0 && verify)
 538                         {
 539                         buff = (char *)OPENSSL_malloc(bufsiz);
 540                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 541                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 542                         }
 543                 if (ok >= 0)
 544                         do
 545                                 {
 546                                 ok = UI_process(ui);
 547                                 }
 548                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 549
 550                 if (buff)
 551                         {
 552                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 553                         OPENSSL_free(buff);
 554                         }
 555
 556                 if (ok >= 0)
 557                         res = strlen(buf);
 558                 if (ok == -1)
 559                         {
 560                         BIO_printf(bio_err, "User interface error\n");
 561                         ERR_print_errors(bio_err);
 562                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 563                         res = 0;
 564                         }
 565                 if (ok == -2)
 566                         {
 567                         BIO_printf(bio_err,"aborted!\n");
 568                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 569                         res = 0;
 570                         }
 571                 UI_free(ui);
 572                 OPENSSL_free(prompt);
 573                 }
 574         return res;
 575         }
 576
 577 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 578
 579 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 580 {
 581         int same;
 582         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 583         else same = 1;
 584         if(arg1) {
 585                 *pass1 = app_get_pass(err, arg1, same);
 586                 if(!*pass1) return 0;
 587         } else if(pass1) *pass1 = NULL;
 588         if(arg2) {
 589                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 590                 if(!*pass2) return 0;
 591         } else if(pass2) *pass2 = NULL;
 592         return 1;
 593 }
 594
 595 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 596 {
 597         char *tmp, tpass[APP_PASS_LEN];
 598         static BIO *pwdbio = NULL;
 599         int i;
 600         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 601         if(!strncmp(arg, "env:", 4)) {
 602                 tmp = getenv(arg + 4);
 603                 if(!tmp) {
 604                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 605                         return NULL;
 606                 }
 607                 return BUF_strdup(tmp);
 608         }
 609         if(!keepbio || !pwdbio) {
 610                 if(!strncmp(arg, "file:", 5)) {
 611                         pwdbio = BIO_new_file(arg + 5, "r");
 612                         if(!pwdbio) {
 613                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 614                                 return NULL;
 615                         }
 616                 } else if(!strncmp(arg, "fd:", 3)) {
 617                         BIO *btmp;
 618                         i = atoi(arg + 3);
 619                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 620                         if((i < 0) || !pwdbio) {
 621                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 622                                 return NULL;
 623                         }
 624                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 625                         btmp = BIO_new(BIO_f_buffer());
 626                         pwdbio = BIO_push(btmp, pwdbio);
 627                 } else if(!strcmp(arg, "stdin")) {
 628                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 629                         if(!pwdbio) {
 630                                 BIO_printf(err, "Can't open BIO for stdin\n");
 631                                 return NULL;
 632                         }
 633                 } else {
 634                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 635                         return NULL;
 636                 }
 637         }
 638         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 639         if(keepbio != 1) {
 640                 BIO_free_all(pwdbio);
 641                 pwdbio = NULL;
 642         }
 643         if(i <= 0) {
 644                 BIO_printf(err, "Error reading password from BIO\n");
 645                 return NULL;
 646         }
 647         tmp = strchr(tpass, '\n');
 648         if(tmp) *tmp = 0;
 649         return BUF_strdup(tpass);
 650 }
 651
 652 int add_oid_section(BIO *err, CONF *conf)
 653 {
 654         char *p;
 655         STACK_OF(CONF_VALUE) *sktmp;
 656         CONF_VALUE *cnf;
 657         int i;
 658         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 659                 {
 660                 ERR_clear_error();
 661                 return 1;
 662                 }
 663         if(!(sktmp = NCONF_get_section(conf, p))) {
 664                 BIO_printf(err, "problem loading oid section %s\n", p);
 665                 return 0;
 666         }
 667         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 668                 cnf = sk_CONF_VALUE_value(sktmp, i);
 669                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 670                         BIO_printf(err, "problem creating object %s=%s\n",
 671                                                          cnf->name, cnf->value);
 672                         return 0;
 673                 }
 674         }
 675         return 1;
 676 }
 677
 678 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 679                 pem_password_cb *pem_cb,  void *cb_data,
 680                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 681         {
 682         const char *pass;
 683         char tpass[PEM_BUFSIZE];
 684         int len, ret = 0;
 685         PKCS12 *p12;
 686         p12 = d2i_PKCS12_bio(in, NULL);
 687         if (p12 == NULL)
 688                 {
 689                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 690                 goto die;
 691                 }
 692         /* See if an empty password will do */
 693         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 694                 pass = "";
 695         else
 696                 {
 697                 if (!pem_cb)
 698                         pem_cb = (pem_password_cb *)password_callback;
 699                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 700                 if (len < 0)
 701                         {
 702                         BIO_printf(err, "Passpharse callback error for %s\n",
 703                                         desc);
 704                         goto die;
 705                         }
 706                 if (len < PEM_BUFSIZE)
 707                         tpass[len] = 0;
 708                 if (!PKCS12_verify_mac(p12, tpass, len))
 709                         {
 710                         BIO_printf(err,
 711         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 712                         goto die;
 713                         }
 714                 pass = tpass;
 715                 }
 716         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 717         die:
 718         if (p12)
 719                 PKCS12_free(p12);
 720         return ret;
 721         }
 722
 723 X509 *load_cert(BIO *err, const char *file, int format,
 724         const char *pass, ENGINE *e, const char *cert_descrip)
 725         {
 726         ASN1_HEADER *ah=NULL;
 727         BUF_MEM *buf=NULL;
 728         X509 *x=NULL;
 729         BIO *cert;
 730
 731         if ((cert=BIO_new(BIO_s_file())) == NULL)
 732                 {
 733                 ERR_print_errors(err);
 734                 goto end;
 735                 }
 736
 737         if (file == NULL)
 738                 {
 739                 setvbuf(stdin, NULL, _IONBF, 0);
 740                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 741                 }
 742         else
 743                 {
 744                 if (BIO_read_filename(cert,file) <= 0)
 745                         {
 746                         BIO_printf(err, "Error opening %s %s\n",
 747                                 cert_descrip, file);
 748                         ERR_print_errors(err);
 749                         goto end;
 750                         }
 751                 }
 752
 753         if      (format == FORMAT_ASN1)
 754                 x=d2i_X509_bio(cert,NULL);
 755         else if (format == FORMAT_NETSCAPE)
 756                 {
 757                 unsigned char *p,*op;
 758                 int size=0,i;
 759
 760                 /* We sort of have to do it this way because it is sort of nice
 761                  * to read the header first and check it, then
 762                  * try to read the certificate */
 763                 buf=BUF_MEM_new();
 764                 for (;;)
 765                         {
 766                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 767                                 goto end;
 768                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 769                         size+=i;
 770                         if (i == 0) break;
 771                         if (i < 0)
 772                                 {
 773                                 perror("reading certificate");
 774                                 goto end;
 775                                 }
 776                         }
 777                 p=(unsigned char *)buf->data;
 778                 op=p;
 779
 780                 /* First load the header */
 781                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 782                         goto end;
 783                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 784                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 785                         ah->header->length) != 0))
 786                         {
 787                         BIO_printf(err,"Error reading header on certificate\n");
 788                         goto end;
 789                         }
 790                 /* header is ok, so now read the object */
 791                 p=op;
 792                 ah->meth=X509_asn1_meth();
 793                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 794                         goto end;
 795                 x=(X509 *)ah->data;
 796                 ah->data=NULL;
 797                 }
 798         else if (format == FORMAT_PEM)
 799                 x=PEM_read_bio_X509_AUX(cert,NULL,
 800                         (pem_password_cb *)password_callback, NULL);
 801         else if (format == FORMAT_PKCS12)
 802                 {
 803                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 804                                         NULL, &x, NULL))
 805                         goto end;
 806                 }
 807         else    {
 808                 BIO_printf(err,"bad input format specified for %s\n",
 809                         cert_descrip);
 810                 goto end;
 811                 }
 812 end:
 813         if (x == NULL)
 814                 {
 815                 BIO_printf(err,"unable to load certificate\n");
 816                 ERR_print_errors(err);
 817                 }
 818         if (ah != NULL) ASN1_HEADER_free(ah);
 819         if (cert != NULL) BIO_free(cert);
 820         if (buf != NULL) BUF_MEM_free(buf);
 821         return(x);
 822         }
 823
 824 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 825         const char *pass, ENGINE *e, const char *key_descrip)
 826         {
 827         BIO *key=NULL;
 828         EVP_PKEY *pkey=NULL;
 829         PW_CB_DATA cb_data;
 830
 831         cb_data.password = pass;
 832         cb_data.prompt_info = file;
 833
 834         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 835                 {
 836                 BIO_printf(err,"no keyfile specified\n");
 837                 goto end;
 838                 }
 839 #ifndef OPENSSL_NO_ENGINE
 840         if (format == FORMAT_ENGINE)
 841                 {
 842                 if (!e)
 843                         BIO_printf(bio_err,"no engine specified\n");
 844                 else
 845                         pkey = ENGINE_load_private_key(e, file,
 846                                 ui_method, &cb_data);
 847                 goto end;
 848                 }
 849 #endif
 850         key=BIO_new(BIO_s_file());
 851         if (key == NULL)
 852                 {
 853                 ERR_print_errors(err);
 854                 goto end;
 855                 }
 856         if (file == NULL && maybe_stdin)
 857                 {
 858                 setvbuf(stdin, NULL, _IONBF, 0);
 859                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 860                 }
 861         else
 862                 if (BIO_read_filename(key,file) <= 0)
 863                         {
 864                         BIO_printf(err, "Error opening %s %s\n",
 865                                 key_descrip, file);
 866                         ERR_print_errors(err);
 867                         goto end;
 868                         }
 869         if (format == FORMAT_ASN1)
 870                 {
 871                 pkey=d2i_PrivateKey_bio(key, NULL);
 872                 }
 873         else if (format == FORMAT_PEM)
 874                 {
 875                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 876                         (pem_password_cb *)password_callback, &cb_data);
 877                 }
 878 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 879         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 880                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 881 #endif
 882         else if (format == FORMAT_PKCS12)
 883                 {
 884                 if (!load_pkcs12(err, key, key_descrip,
 885                                 (pem_password_cb *)password_callback, &cb_data,
 886                                 &pkey, NULL, NULL))
 887                         goto end;
 888                 }
 889         else
 890                 {
 891                 BIO_printf(err,"bad input format specified for key file\n");
 892                 goto end;
 893                 }
 894  end:
 895         if (key != NULL) BIO_free(key);
 896         if (pkey == NULL)
 897                 BIO_printf(err,"unable to load %s\n", key_descrip);
 898         return(pkey);
 899         }
 900
 901 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 902         const char *pass, ENGINE *e, const char *key_descrip)
 903         {
 904         BIO *key=NULL;
 905         EVP_PKEY *pkey=NULL;
 906         PW_CB_DATA cb_data;
 907
 908         cb_data.password = pass;
 909         cb_data.prompt_info = file;
 910
 911         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 912                 {
 913                 BIO_printf(err,"no keyfile specified\n");
 914                 goto end;
 915                 }
 916 #ifndef OPENSSL_NO_ENGINE
 917         if (format == FORMAT_ENGINE)
 918                 {
 919                 if (!e)
 920                         BIO_printf(bio_err,"no engine specified\n");
 921                 else
 922                         pkey = ENGINE_load_public_key(e, file,
 923                                 ui_method, &cb_data);
 924                 goto end;
 925                 }
 926 #endif
 927         key=BIO_new(BIO_s_file());
 928         if (key == NULL)
 929                 {
 930                 ERR_print_errors(err);
 931                 goto end;
 932                 }
 933         if (file == NULL && maybe_stdin)
 934                 {
 935                 setvbuf(stdin, NULL, _IONBF, 0);
 936                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 937                 }
 938         else
 939                 if (BIO_read_filename(key,file) <= 0)
 940                         {
 941                         BIO_printf(err, "Error opening %s %s\n",
 942                                 key_descrip, file);
 943                         ERR_print_errors(err);
 944                         goto end;
 945                 }
 946         if (format == FORMAT_ASN1)
 947                 {
 948                 pkey=d2i_PUBKEY_bio(key, NULL);
 949                 }
 950         else if (format == FORMAT_PEM)
 951                 {
 952                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 953                         (pem_password_cb *)password_callback, &cb_data);
 954                 }
 955 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 956         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 957                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 958 #endif
 959         else
 960                 {
 961                 BIO_printf(err,"bad input format specified for key file\n");
 962                 goto end;
 963                 }
 964  end:
 965         if (key != NULL) BIO_free(key);
 966         if (pkey == NULL)
 967                 BIO_printf(err,"unable to load %s\n", key_descrip);
 968         return(pkey);
 969         }
 970
 971 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 972 static EVP_PKEY *
 973 load_netscape_key(BIO *err, BIO *key, const char *file,
 974                 const char *key_descrip, int format)
 975         {
 976         EVP_PKEY *pkey;
 977         BUF_MEM *buf;
 978         RSA     *rsa;
 979         const unsigned char *p;
 980         int size, i;
 981
 982         buf=BUF_MEM_new();
 983         pkey = EVP_PKEY_new();
 984         size = 0;
 985         if (buf == NULL || pkey == NULL)
 986                 goto error;
 987         for (;;)
 988                 {
 989                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
 990                         goto error;
 991                 i = BIO_read(key, &(buf->data[size]), 1024*10);
 992                 size += i;
 993                 if (i == 0)
 994                         break;
 995                 if (i < 0)
 996                         {
 997                                 BIO_printf(err, "Error reading %s %s",
 998                                         key_descrip, file);
 999                                 goto error;
1000                         }
1001                 }
1002         p=(unsigned char *)buf->data;
1003         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1004                 (format == FORMAT_IISSGC ? 1 : 0));
1005         if (rsa == NULL)
1006                 goto error;
1007         BUF_MEM_free(buf);
1008         EVP_PKEY_set1_RSA(pkey, rsa);
1009         return pkey;
1010 error:
1011         BUF_MEM_free(buf);
1012         EVP_PKEY_free(pkey);
1013         return NULL;
1014         }
1015 #endif /* ndef OPENSSL_NO_RC4 */
1016
1017 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1018         const char *pass, ENGINE *e, const char *cert_descrip)
1019         {
1020         BIO *certs;
1021         int i;
1022         STACK_OF(X509) *othercerts = NULL;
1023         STACK_OF(X509_INFO) *allcerts = NULL;
1024         X509_INFO *xi;
1025         PW_CB_DATA cb_data;
1026
1027         cb_data.password = pass;
1028         cb_data.prompt_info = file;
1029
1030         if((certs = BIO_new(BIO_s_file())) == NULL)
1031                 {
1032                 ERR_print_errors(err);
1033                 goto end;
1034                 }
1035
1036         if (file == NULL)
1037                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1038         else
1039                 {
1040                 if (BIO_read_filename(certs,file) <= 0)
1041                         {
1042                         BIO_printf(err, "Error opening %s %s\n",
1043                                 cert_descrip, file);
1044                         ERR_print_errors(err);
1045                         goto end;
1046                         }
1047                 }
1048
1049         if      (format == FORMAT_PEM)
1050                 {
1051                 othercerts = sk_X509_new_null();
1052                 if(!othercerts)
1053                         {
1054                         sk_X509_free(othercerts);
1055                         othercerts = NULL;
1056                         goto end;
1057                         }
1058                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1059                                 (pem_password_cb *)password_callback, &cb_data);
1060                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1061                         {
1062                         xi = sk_X509_INFO_value (allcerts, i);
1063                         if (xi->x509)
1064                                 {
1065                                 sk_X509_push(othercerts, xi->x509);
1066                                 xi->x509 = NULL;
1067                                 }
1068                         }
1069                 goto end;
1070                 }
1071         else    {
1072                 BIO_printf(err,"bad input format specified for %s\n",
1073                         cert_descrip);
1074                 goto end;
1075                 }
1076 end:
1077         if (othercerts == NULL)
1078                 {
1079                 BIO_printf(err,"unable to load certificates\n");
1080                 ERR_print_errors(err);
1081                 }
1082         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1083         if (certs != NULL) BIO_free(certs);
1084         return(othercerts);
1085         }
1086
1087
1088 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1089 /* Return error for unknown extensions */
1090 #define X509V3_EXT_DEFAULT              0
1091 /* Print error for unknown extensions */
1092 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1093 /* ASN1 parse unknown extensions */
1094 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1095 /* BIO_dump unknown extensions */
1096 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1097
1098 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1099                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1100
1101 int set_cert_ex(unsigned long *flags, const char *arg)
1102 {
1103         static const NAME_EX_TBL cert_tbl[] = {
1104                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1105                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1106                 { "no_header", X509_FLAG_NO_HEADER, 0},
1107                 { "no_version", X509_FLAG_NO_VERSION, 0},
1108                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1109                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1110                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1111                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1112                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1113                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1114                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1115                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1116                 { "no_aux", X509_FLAG_NO_AUX, 0},
1117                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1118                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1119                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1120                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1121                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1122                 { NULL, 0, 0}
1123         };
1124         return set_multi_opts(flags, arg, cert_tbl);
1125 }
1126
1127 int set_name_ex(unsigned long *flags, const char *arg)
1128 {
1129         static const NAME_EX_TBL ex_tbl[] = {
1130                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1131                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1132                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1133                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1134                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1135                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1136                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1137                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1138                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1139                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1140                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1141                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1142                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1143                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1144                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1145                 { "dn_rev", XN_FLAG_DN_REV, 0},
1146                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1147                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1148                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1149                 { "align", XN_FLAG_FN_ALIGN, 0},
1150                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1151                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1152                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1153                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1154                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1155                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1156                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1157                 { NULL, 0, 0}
1158         };
1159         return set_multi_opts(flags, arg, ex_tbl);
1160 }
1161
1162 int set_ext_copy(int *copy_type, const char *arg)
1163 {
1164         if (!strcasecmp(arg, "none"))
1165                 *copy_type = EXT_COPY_NONE;
1166         else if (!strcasecmp(arg, "copy"))
1167                 *copy_type = EXT_COPY_ADD;
1168         else if (!strcasecmp(arg, "copyall"))
1169                 *copy_type = EXT_COPY_ALL;
1170         else
1171                 return 0;
1172         return 1;
1173 }
1174
1175 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1176 {
1177         STACK_OF(X509_EXTENSION) *exts = NULL;
1178         X509_EXTENSION *ext, *tmpext;
1179         ASN1_OBJECT *obj;
1180         int i, idx, ret = 0;
1181         if (!x || !req || (copy_type == EXT_COPY_NONE))
1182                 return 1;
1183         exts = X509_REQ_get_extensions(req);
1184
1185         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1186                 ext = sk_X509_EXTENSION_value(exts, i);
1187                 obj = X509_EXTENSION_get_object(ext);
1188                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1189                 /* Does extension exist? */
1190                 if (idx != -1) {
1191                         /* If normal copy don't override existing extension */
1192                         if (copy_type == EXT_COPY_ADD)
1193                                 continue;
1194                         /* Delete all extensions of same type */
1195                         do {
1196                                 tmpext = X509_get_ext(x, idx);
1197                                 X509_delete_ext(x, idx);
1198                                 X509_EXTENSION_free(tmpext);
1199                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1200                         } while (idx != -1);
1201                 }
1202                 if (!X509_add_ext(x, ext, -1))
1203                         goto end;
1204         }
1205
1206         ret = 1;
1207
1208         end:
1209
1210         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1211
1212         return ret;
1213 }
1214
1215
1216
1217
1218 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1219 {
1220         STACK_OF(CONF_VALUE) *vals;
1221         CONF_VALUE *val;
1222         int i, ret = 1;
1223         if(!arg) return 0;
1224         vals = X509V3_parse_list(arg);
1225         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1226                 val = sk_CONF_VALUE_value(vals, i);
1227                 if (!set_table_opts(flags, val->name, in_tbl))
1228                         ret = 0;
1229         }
1230         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1231         return ret;
1232 }
1233
1234 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1235 {
1236         char c;
1237         const NAME_EX_TBL *ptbl;
1238         c = arg[0];
1239
1240         if(c == '-') {
1241                 c = 0;
1242                 arg++;
1243         } else if (c == '+') {
1244                 c = 1;
1245                 arg++;
1246         } else c = 1;
1247
1248         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1249                 if(!strcasecmp(arg, ptbl->name)) {
1250                         *flags &= ~ptbl->mask;
1251                         if(c) *flags |= ptbl->flag;
1252                         else *flags &= ~ptbl->flag;
1253                         return 1;
1254                 }
1255         }
1256         return 0;
1257 }
1258
1259 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1260 {
1261         char *buf;
1262         char mline = 0;
1263         int indent = 0;
1264
1265         if(title) BIO_puts(out, title);
1266         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1267                 mline = 1;
1268                 indent = 4;
1269         }
1270         if(lflags == XN_FLAG_COMPAT) {
1271                 buf = X509_NAME_oneline(nm, 0, 0);
1272                 BIO_puts(out, buf);
1273                 BIO_puts(out, "\n");
1274                 OPENSSL_free(buf);
1275         } else {
1276                 if(mline) BIO_puts(out, "\n");
1277                 X509_NAME_print_ex(out, nm, indent, lflags);
1278                 BIO_puts(out, "\n");
1279         }
1280 }
1281
1282 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1283 {
1284         X509_STORE *store;
1285         X509_LOOKUP *lookup;
1286         if(!(store = X509_STORE_new())) goto end;
1287         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1288         if (lookup == NULL) goto end;
1289         if (CAfile) {
1290                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1291                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1292                         goto end;
1293                 }
1294         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1295
1296         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1297         if (lookup == NULL) goto end;
1298         if (CApath) {
1299                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1300                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1301                         goto end;
1302                 }
1303         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1304
1305         ERR_clear_error();
1306         return store;
1307         end:
1308         X509_STORE_free(store);
1309         return NULL;
1310 }
1311
1312 #ifndef OPENSSL_NO_ENGINE
1313 /* Try to load an engine in a shareable library */
1314 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1315         {
1316         ENGINE *e = ENGINE_by_id("dynamic");
1317         if (e)
1318                 {
1319                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1320                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1321                         {
1322                         ENGINE_free(e);
1323                         e = NULL;
1324                         }
1325                 }
1326         return e;
1327         }
1328
1329 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1330         {
1331         ENGINE *e = NULL;
1332
1333         if (engine)
1334                 {
1335                 if(strcmp(engine, "auto") == 0)
1336                         {
1337                         BIO_printf(err,"enabling auto ENGINE support\n");
1338                         ENGINE_register_all_complete();
1339                         return NULL;
1340                         }
1341                 if((e = ENGINE_by_id(engine)) == NULL
1342                         && (e = try_load_engine(err, engine, debug)) == NULL)
1343                         {
1344                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1345                         ERR_print_errors(err);
1346                         return NULL;
1347                         }
1348                 if (debug)
1349                         {
1350                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1351                                 0, err, 0);
1352                         }
1353                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1354                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1355                         {
1356                         BIO_printf(err,"can't use that engine\n");
1357                         ERR_print_errors(err);
1358                         ENGINE_free(e);
1359                         return NULL;
1360                         }
1361
1362                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1363
1364                 /* Free our "structural" reference. */
1365                 ENGINE_free(e);
1366                 }
1367         return e;
1368         }
1369 #endif
1370
1371 int load_config(BIO *err, CONF *cnf)
1372         {
1373         if (!cnf)
1374                 cnf = config;
1375         if (!cnf)
1376                 return 1;
1377
1378         OPENSSL_load_builtin_modules();
1379
1380         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1381                 {
1382                 BIO_printf(err, "Error configuring OpenSSL\n");
1383                 ERR_print_errors(err);
1384                 return 0;
1385                 }
1386         return 1;
1387         }
1388
1389 char *make_config_name()
1390         {
1391         const char *t=X509_get_default_cert_area();
1392         size_t len;
1393         char *p;
1394
1395         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1396         p=OPENSSL_malloc(len);
1397         BUF_strlcpy(p,t,len);
1398 #ifndef OPENSSL_SYS_VMS
1399         BUF_strlcat(p,"/",len);
1400 #endif
1401         BUF_strlcat(p,OPENSSL_CONF,len);
1402
1403         return p;
1404         }
1405
1406 static unsigned long index_serial_hash(const char **a)
1407         {
1408         const char *n;
1409
1410         n=a[DB_serial];
1411         while (*n == '0') n++;
1412         return(lh_strhash(n));
1413         }
1414
1415 static int index_serial_cmp(const char **a, const char **b)
1416         {
1417         const char *aa,*bb;
1418
1419         for (aa=a[DB_serial]; *aa == '0'; aa++);
1420         for (bb=b[DB_serial]; *bb == '0'; bb++);
1421         return(strcmp(aa,bb));
1422         }
1423
1424 static int index_name_qual(char **a)
1425         { return(a[0][0] == 'V'); }
1426
1427 static unsigned long index_name_hash(const char **a)
1428         { return(lh_strhash(a[DB_name])); }
1429
1430 int index_name_cmp(const char **a, const char **b)
1431         { return(strcmp(a[DB_name],
1432              b[DB_name])); }
1433
1434 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1435 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1436 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1437 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1438
1439 #undef BSIZE
1440 #define BSIZE 256
1441
1442 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1443         {
1444         BIO *in=NULL;
1445         BIGNUM *ret=NULL;
1446         MS_STATIC char buf[1024];
1447         ASN1_INTEGER *ai=NULL;
1448
1449         ai=ASN1_INTEGER_new();
1450         if (ai == NULL) goto err;
1451
1452         if ((in=BIO_new(BIO_s_file())) == NULL)
1453                 {
1454                 ERR_print_errors(bio_err);
1455                 goto err;
1456                 }
1457
1458         if (BIO_read_filename(in,serialfile) <= 0)
1459                 {
1460                 if (!create)
1461                         {
1462                         perror(serialfile);
1463                         goto err;
1464                         }
1465                 else
1466                         {
1467                         ret=BN_new();
1468                         if (ret == NULL || !rand_serial(ret, ai))
1469                                 BIO_printf(bio_err, "Out of memory\n");
1470                         }
1471                 }
1472         else
1473                 {
1474                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1475                         {
1476                         BIO_printf(bio_err,"unable to load number from %s\n",
1477                                 serialfile);
1478                         goto err;
1479                         }
1480                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1481                 if (ret == NULL)
1482                         {
1483                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1484                         goto err;
1485                         }
1486                 }
1487
1488         if (ret && retai)
1489                 {
1490                 *retai = ai;
1491                 ai = NULL;
1492                 }
1493  err:
1494         if (in != NULL) BIO_free(in);
1495         if (ai != NULL) ASN1_INTEGER_free(ai);
1496         return(ret);
1497         }
1498
1499 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1500         {
1501         char buf[1][BSIZE];
1502         BIO *out = NULL;
1503         int ret=0;
1504         ASN1_INTEGER *ai=NULL;
1505         int j;
1506
1507         if (suffix == NULL)
1508                 j = strlen(serialfile);
1509         else
1510                 j = strlen(serialfile) + strlen(suffix) + 1;
1511         if (j >= BSIZE)
1512                 {
1513                 BIO_printf(bio_err,"file name too long\n");
1514                 goto err;
1515                 }
1516
1517         if (suffix == NULL)
1518                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1519         else
1520                 {
1521 #ifndef OPENSSL_SYS_VMS
1522                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1523 #else
1524                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1525 #endif
1526                 }
1527 #ifdef RL_DEBUG
1528         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1529 #endif
1530         out=BIO_new(BIO_s_file());
1531         if (out == NULL)
1532                 {
1533                 ERR_print_errors(bio_err);
1534                 goto err;
1535                 }
1536         if (BIO_write_filename(out,buf[0]) <= 0)
1537                 {
1538                 perror(serialfile);
1539                 goto err;
1540                 }
1541
1542         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1543                 {
1544                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1545                 goto err;
1546                 }
1547         i2a_ASN1_INTEGER(out,ai);
1548         BIO_puts(out,"\n");
1549         ret=1;
1550         if (retai)
1551                 {
1552                 *retai = ai;
1553                 ai = NULL;
1554                 }
1555 err:
1556         if (out != NULL) BIO_free_all(out);
1557         if (ai != NULL) ASN1_INTEGER_free(ai);
1558         return(ret);
1559         }
1560
1561 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1562         {
1563         char buf[5][BSIZE];
1564         int i,j;
1565         struct stat sb;
1566
1567         i = strlen(serialfile) + strlen(old_suffix);
1568         j = strlen(serialfile) + strlen(new_suffix);
1569         if (i > j) j = i;
1570         if (j + 1 >= BSIZE)
1571                 {
1572                 BIO_printf(bio_err,"file name too long\n");
1573                 goto err;
1574                 }
1575
1576 #ifndef OPENSSL_SYS_VMS
1577         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1578                 serialfile, new_suffix);
1579 #else
1580         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1581                 serialfile, new_suffix);
1582 #endif
1583 #ifndef OPENSSL_SYS_VMS
1584         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1585                 serialfile, old_suffix);
1586 #else
1587         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1588                 serialfile, old_suffix);
1589 #endif
1590         if (stat(serialfile,&sb) < 0)
1591                 {
1592                 if (errno != ENOENT
1593 #ifdef ENOTDIR
1594                         && errno != ENOTDIR)
1595 #endif
1596                         goto err;
1597                 }
1598         else
1599                 {
1600 #ifdef RL_DEBUG
1601                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1602                         serialfile, buf[1]);
1603 #endif
1604                 if (rename(serialfile,buf[1]) < 0)
1605                         {
1606                         BIO_printf(bio_err,
1607                                 "unable to rename %s to %s\n",
1608                                 serialfile, buf[1]);
1609                         perror("reason");
1610                         goto err;
1611                         }
1612                 }
1613 #ifdef RL_DEBUG
1614         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1615                 buf[0],serialfile);
1616 #endif
1617         if (rename(buf[0],serialfile) < 0)
1618                 {
1619                 BIO_printf(bio_err,
1620                         "unable to rename %s to %s\n",
1621                         buf[0],serialfile);
1622                 perror("reason");
1623                 rename(buf[1],serialfile);
1624                 goto err;
1625                 }
1626         return 1;
1627  err:
1628         return 0;
1629         }
1630
1631 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1632         {
1633         BIGNUM *btmp;
1634         int ret = 0;
1635         if (b)
1636                 btmp = b;
1637         else
1638                 btmp = BN_new();
1639
1640         if (!btmp)
1641                 return 0;
1642
1643         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1644                 goto error;
1645         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1646                 goto error;
1647
1648         ret = 1;
1649
1650         error:
1651
1652         if (!b)
1653                 BN_free(btmp);
1654
1655         return ret;
1656         }
1657
1658 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1659         {
1660         CA_DB *retdb = NULL;
1661         TXT_DB *tmpdb = NULL;
1662         BIO *in = BIO_new(BIO_s_file());
1663         CONF *dbattr_conf = NULL;
1664         char buf[1][BSIZE];
1665         long errorline= -1;
1666
1667         if (in == NULL)
1668                 {
1669                 ERR_print_errors(bio_err);
1670                 goto err;
1671                 }
1672         if (BIO_read_filename(in,dbfile) <= 0)
1673                 {
1674                 perror(dbfile);
1675                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1676                 goto err;
1677                 }
1678         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1679                 {
1680                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1681                 goto err;
1682                 }
1683
1684 #ifndef OPENSSL_SYS_VMS
1685         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1686 #else
1687         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1688 #endif
1689         dbattr_conf = NCONF_new(NULL);
1690         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1691                 {
1692                 if (errorline > 0)
1693                         {
1694                         BIO_printf(bio_err,
1695                                 "error on line %ld of db attribute file '%s'\n"
1696                                 ,errorline,buf[0]);
1697                         goto err;
1698                         }
1699                 else
1700                         {
1701                         NCONF_free(dbattr_conf);
1702                         dbattr_conf = NULL;
1703                         }
1704                 }
1705
1706         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1707                 {
1708                 fprintf(stderr, "Out of memory\n");
1709                 goto err;
1710                 }
1711
1712         retdb->db = tmpdb;
1713         tmpdb = NULL;
1714         if (db_attr)
1715                 retdb->attributes = *db_attr;
1716         else
1717                 {
1718                 retdb->attributes.unique_subject = 1;
1719                 }
1720
1721         if (dbattr_conf)
1722                 {
1723                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1724                 if (p)
1725                         {
1726                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1727                         switch(*p)
1728                                 {
1729                         case 'f': /* false */
1730                         case 'F': /* FALSE */
1731                         case 'n': /* no */
1732                         case 'N': /* NO */
1733                                 retdb->attributes.unique_subject = 0;
1734                                 break;
1735                         case 't': /* true */
1736                         case 'T': /* TRUE */
1737                         case 'y': /* yes */
1738                         case 'Y': /* YES */
1739                         default:
1740                                 retdb->attributes.unique_subject = 1;
1741                                 break;
1742                                 }
1743                         }
1744                 }
1745
1746  err:
1747         if (dbattr_conf) NCONF_free(dbattr_conf);
1748         if (tmpdb) TXT_DB_free(tmpdb);
1749         if (in) BIO_free_all(in);
1750         return retdb;
1751         }
1752
1753 int index_index(CA_DB *db)
1754         {
1755         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1756                                 LHASH_HASH_FN(index_serial_hash),
1757                                 LHASH_COMP_FN(index_serial_cmp)))
1758                 {
1759                 BIO_printf(bio_err,
1760                   "error creating serial number index:(%ld,%ld,%ld)\n",
1761                                         db->db->error,db->db->arg1,db->db->arg2);
1762                         return 0;
1763                 }
1764
1765         if (db->attributes.unique_subject
1766                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1767                         LHASH_HASH_FN(index_name_hash),
1768                         LHASH_COMP_FN(index_name_cmp)))
1769                 {
1770                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1771                         db->db->error,db->db->arg1,db->db->arg2);
1772                 return 0;
1773                 }
1774         return 1;
1775         }
1776
1777 int save_index(char *dbfile, char *suffix, CA_DB *db)
1778         {
1779         char buf[3][BSIZE];
1780         BIO *out = BIO_new(BIO_s_file());
1781         int j;
1782
1783         if (out == NULL)
1784                 {
1785                 ERR_print_errors(bio_err);
1786                 goto err;
1787                 }
1788
1789         j = strlen(dbfile) + strlen(suffix);
1790         if (j + 6 >= BSIZE)
1791                 {
1792                 BIO_printf(bio_err,"file name too long\n");
1793                 goto err;
1794                 }
1795
1796 #ifndef OPENSSL_SYS_VMS
1797         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1798 #else
1799         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1800 #endif
1801 #ifndef OPENSSL_SYS_VMS
1802         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1803 #else
1804         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1805 #endif
1806 #ifndef OPENSSL_SYS_VMS
1807         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1808 #else
1809         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1810 #endif
1811 #ifdef RL_DEBUG
1812         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1813 #endif
1814         if (BIO_write_filename(out,buf[0]) <= 0)
1815                 {
1816                 perror(dbfile);
1817                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1818                 goto err;
1819                 }
1820         j=TXT_DB_write(out,db->db);
1821         if (j <= 0) goto err;
1822
1823         BIO_free(out);
1824
1825         out = BIO_new(BIO_s_file());
1826 #ifdef RL_DEBUG
1827         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1828 #endif
1829         if (BIO_write_filename(out,buf[1]) <= 0)
1830                 {
1831                 perror(buf[2]);
1832                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1833                 goto err;
1834                 }
1835         BIO_printf(out,"unique_subject = %s\n",
1836                 db->attributes.unique_subject ? "yes" : "no");
1837         BIO_free(out);
1838
1839         return 1;
1840  err:
1841         return 0;
1842         }
1843
1844 int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
1845         {
1846         char buf[5][BSIZE];
1847         int i,j;
1848         struct stat sb;
1849
1850         i = strlen(dbfile) + strlen(old_suffix);
1851         j = strlen(dbfile) + strlen(new_suffix);
1852         if (i > j) j = i;
1853         if (j + 6 >= BSIZE)
1854                 {
1855                 BIO_printf(bio_err,"file name too long\n");
1856                 goto err;
1857                 }
1858
1859 #ifndef OPENSSL_SYS_VMS
1860         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1861 #else
1862         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1863 #endif
1864 #ifndef OPENSSL_SYS_VMS
1865         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1866                 dbfile, new_suffix);
1867 #else
1868         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1869                 dbfile, new_suffix);
1870 #endif
1871 #ifndef OPENSSL_SYS_VMS
1872         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1873                 dbfile, new_suffix);
1874 #else
1875         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1876                 dbfile, new_suffix);
1877 #endif
1878 #ifndef OPENSSL_SYS_VMS
1879         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1880                 dbfile, old_suffix);
1881 #else
1882         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1883                 dbfile, old_suffix);
1884 #endif
1885 #ifndef OPENSSL_SYS_VMS
1886         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1887                 dbfile, old_suffix);
1888 #else
1889         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1890                 dbfile, old_suffix);
1891 #endif
1892         if (stat(dbfile,&sb) < 0)
1893                 {
1894                 if (errno != ENOENT
1895 #ifdef ENOTDIR
1896                         && errno != ENOTDIR)
1897 #endif
1898                         goto err;
1899                 }
1900         else
1901                 {
1902 #ifdef RL_DEBUG
1903                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1904                         dbfile, buf[1]);
1905 #endif
1906                 if (rename(dbfile,buf[1]) < 0)
1907                         {
1908                         BIO_printf(bio_err,
1909                                 "unable to rename %s to %s\n",
1910                                 dbfile, buf[1]);
1911                         perror("reason");
1912                         goto err;
1913                         }
1914                 }
1915 #ifdef RL_DEBUG
1916         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1917                 buf[0],dbfile);
1918 #endif
1919         if (rename(buf[0],dbfile) < 0)
1920                 {
1921                 BIO_printf(bio_err,
1922                         "unable to rename %s to %s\n",
1923                         buf[0],dbfile);
1924                 perror("reason");
1925                 rename(buf[1],dbfile);
1926                 goto err;
1927                 }
1928         if (stat(buf[4],&sb) < 0)
1929                 {
1930                 if (errno != ENOENT
1931 #ifdef ENOTDIR
1932                         && errno != ENOTDIR)
1933 #endif
1934                         goto err;
1935                 }
1936         else
1937                 {
1938 #ifdef RL_DEBUG
1939                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1940                         buf[4],buf[3]);
1941 #endif
1942                 if (rename(buf[4],buf[3]) < 0)
1943                         {
1944                         BIO_printf(bio_err,
1945                                 "unable to rename %s to %s\n",
1946                                 buf[4], buf[3]);
1947                         perror("reason");
1948                         rename(dbfile,buf[0]);
1949                         rename(buf[1],dbfile);
1950                         goto err;
1951                         }
1952                 }
1953 #ifdef RL_DEBUG
1954         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1955                 buf[2],buf[4]);
1956 #endif
1957         if (rename(buf[2],buf[4]) < 0)
1958                 {
1959                 BIO_printf(bio_err,
1960                         "unable to rename %s to %s\n",
1961                         buf[2],buf[4]);
1962                 perror("reason");
1963                 rename(buf[3],buf[4]);
1964                 rename(dbfile,buf[0]);
1965                 rename(buf[1],dbfile);
1966                 goto err;
1967                 }
1968         return 1;
1969  err:
1970         return 0;
1971         }
1972
1973 void free_index(CA_DB *db)
1974         {
1975         if (db)
1976                 {
1977                 if (db->db) TXT_DB_free(db->db);
1978                 OPENSSL_free(db);
1979                 }
1980         }
1981
1982 /* This code MUST COME AFTER anything that uses rename() */
1983 #ifdef OPENSSL_SYS_WIN32
1984 int WIN32_rename(char *from, char *to)
1985         {
1986 #ifndef OPENSSL_SYS_WINCE
1987         /* Windows rename gives an error if 'to' exists, so delete it
1988          * first and ignore file not found errror
1989          */
1990         if((remove(to) != 0) && (errno != ENOENT))
1991                 return -1;
1992 #undef rename
1993         return rename(from, to);
1994 #else
1995         /* convert strings to UNICODE */
1996         {
1997         BOOL result = FALSE;
1998         WCHAR* wfrom;
1999         WCHAR* wto;
2000         int i;
2001         wfrom = malloc((strlen(from)+1)*2);
2002         wto = malloc((strlen(to)+1)*2);
2003         if (wfrom != NULL && wto != NULL)
2004                 {
2005                 for (i=0; i<(int)strlen(from)+1; i++)
2006                         wfrom[i] = (short)from[i];
2007                 for (i=0; i<(int)strlen(to)+1; i++)
2008                         wto[i] = (short)to[i];
2009                 result = MoveFile(wfrom, wto);
2010                 }
2011         if (wfrom != NULL)
2012                 free(wfrom);
2013         if (wto != NULL)
2014                 free(wto);
2015         return result;
2016         }
2017 #endif
2018         }
2019 #endif