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 #ifndef OPENSSL_NO_RSA
 129 #include <openssl/rsa.h>
 130 #endif
 131 #include <openssl/bn.h>
 132
 133 #define NON_MAIN
 134 #include "apps.h"
 135 #undef NON_MAIN
 136
 137 typedef struct {
 138         const char *name;
 139         unsigned long flag;
 140         unsigned long mask;
 141 } NAME_EX_TBL;
 142
 143 static UI_METHOD *ui_method = NULL;
 144
 145 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 146 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 147
 148 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 149 /* Looks like this stuff is worth moving into separate function */
 150 static EVP_PKEY *
 151 load_netscape_key(BIO *err, BIO *key, const char *file,
 152                 const char *key_descrip, int format);
 153 #endif
 154
 155 int app_init(long mesgwin);
 156 #ifdef undef /* never finished - probably never will be :-) */
 157 int args_from_file(char *file, int *argc, char **argv[])
 158         {
 159         FILE *fp;
 160         int num,i;
 161         unsigned int len;
 162         static char *buf=NULL;
 163         static char **arg=NULL;
 164         char *p;
 165         struct stat stbuf;
 166
 167         if (stat(file,&stbuf) < 0) return(0);
 168
 169         fp=fopen(file,"r");
 170         if (fp == NULL)
 171                 return(0);
 172
 173         *argc=0;
 174         *argv=NULL;
 175
 176         len=(unsigned int)stbuf.st_size;
 177         if (buf != NULL) OPENSSL_free(buf);
 178         buf=(char *)OPENSSL_malloc(len+1);
 179         if (buf == NULL) return(0);
 180
 181         len=fread(buf,1,len,fp);
 182         if (len <= 1) return(0);
 183         buf[len]='\0';
 184
 185         i=0;
 186         for (p=buf; *p; p++)
 187                 if (*p == '\n') i++;
 188         if (arg != NULL) OPENSSL_free(arg);
 189         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 190
 191         *argv=arg;
 192         num=0;
 193         p=buf;
 194         for (;;)
 195                 {
 196                 if (!*p) break;
 197                 if (*p == '#') /* comment line */
 198                         {
 199                         while (*p && (*p != '\n')) p++;
 200                         continue;
 201                         }
 202                 /* else we have a line */
 203                 *(arg++)=p;
 204                 num++;
 205                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 206                         p++;
 207                 if (!*p) break;
 208                 if (*p == '\n')
 209                         {
 210                         *(p++)='\0';
 211                         continue;
 212                         }
 213                 /* else it is a tab or space */
 214                 p++;
 215                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 216                         p++;
 217                 if (!*p) break;
 218                 if (*p == '\n')
 219                         {
 220                         p++;
 221                         continue;
 222                         }
 223                 *(arg++)=p++;
 224                 num++;
 225                 while (*p && (*p != '\n')) p++;
 226                 if (!*p) break;
 227                 /* else *p == '\n' */
 228                 *(p++)='\0';
 229                 }
 230         *argc=num;
 231         return(1);
 232         }
 233 #endif
 234
 235 int str2fmt(char *s)
 236         {
 237         if      ((*s == 'D') || (*s == 'd'))
 238                 return(FORMAT_ASN1);
 239         else if ((*s == 'T') || (*s == 't'))
 240                 return(FORMAT_TEXT);
 241         else if ((*s == 'P') || (*s == 'p'))
 242                 {
 243                 if (s[1] == 'V' || s[1] == 'v')
 244                         return FORMAT_PVK;
 245                 else
 246                         return(FORMAT_PEM);
 247                 }
 248         else if ((*s == 'N') || (*s == 'n'))
 249                 return(FORMAT_NETSCAPE);
 250         else if ((*s == 'S') || (*s == 's'))
 251                 return(FORMAT_SMIME);
 252         else if ((*s == 'M') || (*s == 'm'))
 253                 return(FORMAT_MSBLOB);
 254         else if ((*s == '1')
 255                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 256                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 257                 return(FORMAT_PKCS12);
 258         else if ((*s == 'E') || (*s == 'e'))
 259                 return(FORMAT_ENGINE);
 260         else
 261                 return(FORMAT_UNDEF);
 262         }
 263
 264 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 265 void program_name(char *in, char *out, int size)
 266         {
 267         int i,n;
 268         char *p=NULL;
 269
 270         n=strlen(in);
 271         /* find the last '/', '\' or ':' */
 272         for (i=n-1; i>0; i--)
 273                 {
 274                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 275                         {
 276                         p= &(in[i+1]);
 277                         break;
 278                         }
 279                 }
 280         if (p == NULL)
 281                 p=in;
 282         n=strlen(p);
 283
 284 #if defined(OPENSSL_SYS_NETWARE)
 285    /* strip off trailing .nlm if present. */
 286    if ((n > 4) && (p[n-4] == '.') &&
 287       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 288       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 289       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 290       n-=4;
 291 #else
 292         /* strip off trailing .exe if present. */
 293         if ((n > 4) && (p[n-4] == '.') &&
 294                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 295                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 296                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 297                 n-=4;
 298 #endif
 299
 300         if (n > size-1)
 301                 n=size-1;
 302
 303         for (i=0; i<n; i++)
 304                 {
 305                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 306                         out[i]=p[i]-'A'+'a';
 307                 else
 308                         out[i]=p[i];
 309                 }
 310         out[n]='\0';
 311         }
 312 #else
 313 #ifdef OPENSSL_SYS_VMS
 314 void program_name(char *in, char *out, int size)
 315         {
 316         char *p=in, *q;
 317         char *chars=":]>";
 318
 319         while(*chars != '\0')
 320                 {
 321                 q=strrchr(p,*chars);
 322                 if (q > p)
 323                         p = q + 1;
 324                 chars++;
 325                 }
 326
 327         q=strrchr(p,'.');
 328         if (q == NULL)
 329                 q = p + strlen(p);
 330         strncpy(out,p,size-1);
 331         if (q-p >= size)
 332                 {
 333                 out[size-1]='\0';
 334                 }
 335         else
 336                 {
 337                 out[q-p]='\0';
 338                 }
 339         }
 340 #else
 341 void program_name(char *in, char *out, int size)
 342         {
 343         char *p;
 344
 345         p=strrchr(in,'/');
 346         if (p != NULL)
 347                 p++;
 348         else
 349                 p=in;
 350         BUF_strlcpy(out,p,size);
 351         }
 352 #endif
 353 #endif
 354
 355 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 356         {
 357         int num,len,i;
 358         char *p;
 359
 360         *argc=0;
 361         *argv=NULL;
 362
 363         len=strlen(buf);
 364         i=0;
 365         if (arg->count == 0)
 366                 {
 367                 arg->count=20;
 368                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 369                 }
 370         for (i=0; i<arg->count; i++)
 371                 arg->data[i]=NULL;
 372
 373         num=0;
 374         p=buf;
 375         for (;;)
 376                 {
 377                 /* first scan over white space */
 378                 if (!*p) break;
 379                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 380                         p++;
 381                 if (!*p) break;
 382
 383                 /* The start of something good :-) */
 384                 if (num >= arg->count)
 385                         {
 386                         char **tmp_p;
 387                         int tlen = arg->count + 20;
 388                         tmp_p = (char **)OPENSSL_realloc(arg->data,
 389                                 sizeof(char *)*tlen);
 390                         if (tmp_p == NULL)
 391                                 return 0;
 392                         arg->data  = tmp_p;
 393                         arg->count = tlen;
 394                         /* initialize newly allocated data */
 395                         for (i = num; i < arg->count; i++)
 396                                 arg->data[i] = NULL;
 397                         }
 398                 arg->data[num++]=p;
 399
 400                 /* now look for the end of this */
 401                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 402                         {
 403                         i= *(p++);
 404                         arg->data[num-1]++; /* jump over quote */
 405                         while (*p && (*p != i))
 406                                 p++;
 407                         *p='\0';
 408                         }
 409                 else
 410                         {
 411                         while (*p && ((*p != ' ') &&
 412                                 (*p != '\t') && (*p != '\n')))
 413                                 p++;
 414
 415                         if (*p == '\0')
 416                                 p--;
 417                         else
 418                                 *p='\0';
 419                         }
 420                 p++;
 421                 }
 422         *argc=num;
 423         *argv=arg->data;
 424         return(1);
 425         }
 426
 427 #ifndef APP_INIT
 428 int app_init(long mesgwin)
 429         {
 430         return(1);
 431         }
 432 #endif
 433
 434
 435 int dump_cert_text (BIO *out, X509 *x)
 436 {
 437         char *p;
 438
 439         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 440         BIO_puts(out,"subject=");
 441         BIO_puts(out,p);
 442         OPENSSL_free(p);
 443
 444         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 445         BIO_puts(out,"\nissuer=");
 446         BIO_puts(out,p);
 447         BIO_puts(out,"\n");
 448         OPENSSL_free(p);
 449
 450         return 0;
 451 }
 452
 453 static int ui_open(UI *ui)
 454         {
 455         return UI_method_get_opener(UI_OpenSSL())(ui);
 456         }
 457 static int ui_read(UI *ui, UI_STRING *uis)
 458         {
 459         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 460                 && UI_get0_user_data(ui))
 461                 {
 462                 switch(UI_get_string_type(uis))
 463                         {
 464                 case UIT_PROMPT:
 465                 case UIT_VERIFY:
 466                         {
 467                         const char *password =
 468                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 469                         if (password && password[0] != '\0')
 470                                 {
 471                                 UI_set_result(ui, uis, password);
 472                                 return 1;
 473                                 }
 474                         }
 475                 default:
 476                         break;
 477                         }
 478                 }
 479         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 480         }
 481 static int ui_write(UI *ui, UI_STRING *uis)
 482         {
 483         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 484                 && UI_get0_user_data(ui))
 485                 {
 486                 switch(UI_get_string_type(uis))
 487                         {
 488                 case UIT_PROMPT:
 489                 case UIT_VERIFY:
 490                         {
 491                         const char *password =
 492                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 493                         if (password && password[0] != '\0')
 494                                 return 1;
 495                         }
 496                 default:
 497                         break;
 498                         }
 499                 }
 500         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 501         }
 502 static int ui_close(UI *ui)
 503         {
 504         return UI_method_get_closer(UI_OpenSSL())(ui);
 505         }
 506 int setup_ui_method(void)
 507         {
 508         ui_method = UI_create_method("OpenSSL application user interface");
 509         UI_method_set_opener(ui_method, ui_open);
 510         UI_method_set_reader(ui_method, ui_read);
 511         UI_method_set_writer(ui_method, ui_write);
 512         UI_method_set_closer(ui_method, ui_close);
 513         return 0;
 514         }
 515 void destroy_ui_method(void)
 516         {
 517         if(ui_method)
 518                 {
 519                 UI_destroy_method(ui_method);
 520                 ui_method = NULL;
 521                 }
 522         }
 523 int password_callback(char *buf, int bufsiz, int verify,
 524         PW_CB_DATA *cb_tmp)
 525         {
 526         UI *ui = NULL;
 527         int res = 0;
 528         const char *prompt_info = NULL;
 529         const char *password = NULL;
 530         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 531
 532         if (cb_data)
 533                 {
 534                 if (cb_data->password)
 535                         password = cb_data->password;
 536                 if (cb_data->prompt_info)
 537                         prompt_info = cb_data->prompt_info;
 538                 }
 539
 540         if (password)
 541                 {
 542                 res = strlen(password);
 543                 if (res > bufsiz)
 544                         res = bufsiz;
 545                 memcpy(buf, password, res);
 546                 return res;
 547                 }
 548
 549         ui = UI_new_method(ui_method);
 550         if (ui)
 551                 {
 552                 int ok = 0;
 553                 char *buff = NULL;
 554                 int ui_flags = 0;
 555                 char *prompt = NULL;
 556
 557                 prompt = UI_construct_prompt(ui, "pass phrase",
 558                         prompt_info);
 559
 560                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 561                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 562
 563                 if (ok >= 0)
 564                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 565                                 PW_MIN_LENGTH,BUFSIZ-1);
 566                 if (ok >= 0 && verify)
 567                         {
 568                         buff = (char *)OPENSSL_malloc(bufsiz);
 569                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 570                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 571                         }
 572                 if (ok >= 0)
 573                         do
 574                                 {
 575                                 ok = UI_process(ui);
 576                                 }
 577                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 578
 579                 if (buff)
 580                         {
 581                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 582                         OPENSSL_free(buff);
 583                         }
 584
 585                 if (ok >= 0)
 586                         res = strlen(buf);
 587                 if (ok == -1)
 588                         {
 589                         BIO_printf(bio_err, "User interface error\n");
 590                         ERR_print_errors(bio_err);
 591                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 592                         res = 0;
 593                         }
 594                 if (ok == -2)
 595                         {
 596                         BIO_printf(bio_err,"aborted!\n");
 597                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 598                         res = 0;
 599                         }
 600                 UI_free(ui);
 601                 OPENSSL_free(prompt);
 602                 }
 603         return res;
 604         }
 605
 606 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 607
 608 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 609 {
 610         int same;
 611         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 612         else same = 1;
 613         if(arg1) {
 614                 *pass1 = app_get_pass(err, arg1, same);
 615                 if(!*pass1) return 0;
 616         } else if(pass1) *pass1 = NULL;
 617         if(arg2) {
 618                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 619                 if(!*pass2) return 0;
 620         } else if(pass2) *pass2 = NULL;
 621         return 1;
 622 }
 623
 624 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 625 {
 626         char *tmp, tpass[APP_PASS_LEN];
 627         static BIO *pwdbio = NULL;
 628         int i;
 629         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 630         if(!strncmp(arg, "env:", 4)) {
 631                 tmp = getenv(arg + 4);
 632                 if(!tmp) {
 633                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 634                         return NULL;
 635                 }
 636                 return BUF_strdup(tmp);
 637         }
 638         if(!keepbio || !pwdbio) {
 639                 if(!strncmp(arg, "file:", 5)) {
 640                         pwdbio = BIO_new_file(arg + 5, "r");
 641                         if(!pwdbio) {
 642                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 643                                 return NULL;
 644                         }
 645                 } else if(!strncmp(arg, "fd:", 3)) {
 646                         BIO *btmp;
 647                         i = atoi(arg + 3);
 648                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 649                         if((i < 0) || !pwdbio) {
 650                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 651                                 return NULL;
 652                         }
 653                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 654                         btmp = BIO_new(BIO_f_buffer());
 655                         pwdbio = BIO_push(btmp, pwdbio);
 656                 } else if(!strcmp(arg, "stdin")) {
 657                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 658                         if(!pwdbio) {
 659                                 BIO_printf(err, "Can't open BIO for stdin\n");
 660                                 return NULL;
 661                         }
 662                 } else {
 663                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 664                         return NULL;
 665                 }
 666         }
 667         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 668         if(keepbio != 1) {
 669                 BIO_free_all(pwdbio);
 670                 pwdbio = NULL;
 671         }
 672         if(i <= 0) {
 673                 BIO_printf(err, "Error reading password from BIO\n");
 674                 return NULL;
 675         }
 676         tmp = strchr(tpass, '\n');
 677         if(tmp) *tmp = 0;
 678         return BUF_strdup(tpass);
 679 }
 680
 681 int add_oid_section(BIO *err, CONF *conf)
 682 {
 683         char *p;
 684         STACK_OF(CONF_VALUE) *sktmp;
 685         CONF_VALUE *cnf;
 686         int i;
 687         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 688                 {
 689                 ERR_clear_error();
 690                 return 1;
 691                 }
 692         if(!(sktmp = NCONF_get_section(conf, p))) {
 693                 BIO_printf(err, "problem loading oid section %s\n", p);
 694                 return 0;
 695         }
 696         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 697                 cnf = sk_CONF_VALUE_value(sktmp, i);
 698                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 699                         BIO_printf(err, "problem creating object %s=%s\n",
 700                                                          cnf->name, cnf->value);
 701                         return 0;
 702                 }
 703         }
 704         return 1;
 705 }
 706
 707 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 708                 pem_password_cb *pem_cb,  void *cb_data,
 709                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 710         {
 711         const char *pass;
 712         char tpass[PEM_BUFSIZE];
 713         int len, ret = 0;
 714         PKCS12 *p12;
 715         p12 = d2i_PKCS12_bio(in, NULL);
 716         if (p12 == NULL)
 717                 {
 718                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 719                 goto die;
 720                 }
 721         /* See if an empty password will do */
 722         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 723                 pass = "";
 724         else
 725                 {
 726                 if (!pem_cb)
 727                         pem_cb = (pem_password_cb *)password_callback;
 728                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 729                 if (len < 0)
 730                         {
 731                         BIO_printf(err, "Passpharse callback error for %s\n",
 732                                         desc);
 733                         goto die;
 734                         }
 735                 if (len < PEM_BUFSIZE)
 736                         tpass[len] = 0;
 737                 if (!PKCS12_verify_mac(p12, tpass, len))
 738                         {
 739                         BIO_printf(err,
 740         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 741                         goto die;
 742                         }
 743                 pass = tpass;
 744                 }
 745         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 746         die:
 747         if (p12)
 748                 PKCS12_free(p12);
 749         return ret;
 750         }
 751
 752 X509 *load_cert(BIO *err, const char *file, int format,
 753         const char *pass, ENGINE *e, const char *cert_descrip)
 754         {
 755         X509 *x=NULL;
 756         BIO *cert;
 757
 758         if ((cert=BIO_new(BIO_s_file())) == NULL)
 759                 {
 760                 ERR_print_errors(err);
 761                 goto end;
 762                 }
 763
 764         if (file == NULL)
 765                 {
 766                 setvbuf(stdin, NULL, _IONBF, 0);
 767                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 768                 }
 769         else
 770                 {
 771                 if (BIO_read_filename(cert,file) <= 0)
 772                         {
 773                         BIO_printf(err, "Error opening %s %s\n",
 774                                 cert_descrip, file);
 775                         ERR_print_errors(err);
 776                         goto end;
 777                         }
 778                 }
 779
 780         if      (format == FORMAT_ASN1)
 781                 x=d2i_X509_bio(cert,NULL);
 782         else if (format == FORMAT_NETSCAPE)
 783                 {
 784                 NETSCAPE_X509 *nx;
 785                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
 786                 if (nx == NULL)
 787                                 goto end;
 788
 789                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
 790                         nx->header->length) != 0))
 791                         {
 792                         NETSCAPE_X509_free(nx);
 793                         BIO_printf(err,"Error reading header on certificate\n");
 794                         goto end;
 795                         }
 796                 x=nx->cert;
 797                 nx->cert = NULL;
 798                 NETSCAPE_X509_free(nx);
 799                 }
 800         else if (format == FORMAT_PEM)
 801                 x=PEM_read_bio_X509_AUX(cert,NULL,
 802                         (pem_password_cb *)password_callback, NULL);
 803         else if (format == FORMAT_PKCS12)
 804                 {
 805                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 806                                         NULL, &x, NULL))
 807                         goto end;
 808                 }
 809         else    {
 810                 BIO_printf(err,"bad input format specified for %s\n",
 811                         cert_descrip);
 812                 goto end;
 813                 }
 814 end:
 815         if (x == NULL)
 816                 {
 817                 BIO_printf(err,"unable to load certificate\n");
 818                 ERR_print_errors(err);
 819                 }
 820         if (cert != NULL) BIO_free(cert);
 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 if (format == FORMAT_MSBLOB)
 890                 pkey = b2i_PrivateKey_bio(key);
 891         else if (format == FORMAT_PVK)
 892                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
 893                                                                 &cb_data);
 894         else
 895                 {
 896                 BIO_printf(err,"bad input format specified for key file\n");
 897                 goto end;
 898                 }
 899  end:
 900         if (key != NULL) BIO_free(key);
 901         if (pkey == NULL)
 902                 BIO_printf(err,"unable to load %s\n", key_descrip);
 903         return(pkey);
 904         }
 905
 906 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 907         const char *pass, ENGINE *e, const char *key_descrip)
 908         {
 909         BIO *key=NULL;
 910         EVP_PKEY *pkey=NULL;
 911         PW_CB_DATA cb_data;
 912
 913         cb_data.password = pass;
 914         cb_data.prompt_info = file;
 915
 916         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 917                 {
 918                 BIO_printf(err,"no keyfile specified\n");
 919                 goto end;
 920                 }
 921 #ifndef OPENSSL_NO_ENGINE
 922         if (format == FORMAT_ENGINE)
 923                 {
 924                 if (!e)
 925                         BIO_printf(bio_err,"no engine specified\n");
 926                 else
 927                         pkey = ENGINE_load_public_key(e, file,
 928                                 ui_method, &cb_data);
 929                 goto end;
 930                 }
 931 #endif
 932         key=BIO_new(BIO_s_file());
 933         if (key == NULL)
 934                 {
 935                 ERR_print_errors(err);
 936                 goto end;
 937                 }
 938         if (file == NULL && maybe_stdin)
 939                 {
 940                 setvbuf(stdin, NULL, _IONBF, 0);
 941                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 942                 }
 943         else
 944                 if (BIO_read_filename(key,file) <= 0)
 945                         {
 946                         BIO_printf(err, "Error opening %s %s\n",
 947                                 key_descrip, file);
 948                         ERR_print_errors(err);
 949                         goto end;
 950                 }
 951         if (format == FORMAT_ASN1)
 952                 {
 953                 pkey=d2i_PUBKEY_bio(key, NULL);
 954                 }
 955         else if (format == FORMAT_ASN1RSA)
 956                 {
 957                 RSA *rsa;
 958                 rsa = d2i_RSAPublicKey_bio(key, NULL);
 959                 if (rsa)
 960                         {
 961                         pkey = EVP_PKEY_new();
 962                         if (pkey)
 963                                 EVP_PKEY_set1_RSA(pkey, rsa);
 964                         RSA_free(rsa);
 965                         }
 966                 else
 967                         pkey = NULL;
 968                 }
 969         else if (format == FORMAT_PEMRSA)
 970                 {
 971                 RSA *rsa;
 972                 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
 973                         (pem_password_cb *)password_callback, &cb_data);
 974                 if (rsa)
 975                         {
 976                         pkey = EVP_PKEY_new();
 977                         if (pkey)
 978                                 EVP_PKEY_set1_RSA(pkey, rsa);
 979                         RSA_free(rsa);
 980                         }
 981                 else
 982                         pkey = NULL;
 983                 }
 984
 985         else if (format == FORMAT_PEM)
 986                 {
 987                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 988                         (pem_password_cb *)password_callback, &cb_data);
 989                 }
 990 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 991         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 992                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 993 #endif
 994         else if (format == FORMAT_MSBLOB)
 995                 pkey = b2i_PublicKey_bio(key);
 996         else
 997                 {
 998                 BIO_printf(err,"bad input format specified for key file\n");
 999                 goto end;
1000                 }
1001  end:
1002         if (key != NULL) BIO_free(key);
1003         if (pkey == NULL)
1004                 BIO_printf(err,"unable to load %s\n", key_descrip);
1005         return(pkey);
1006         }
1007
1008 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1009 static EVP_PKEY *
1010 load_netscape_key(BIO *err, BIO *key, const char *file,
1011                 const char *key_descrip, int format)
1012         {
1013         EVP_PKEY *pkey;
1014         BUF_MEM *buf;
1015         RSA     *rsa;
1016         const unsigned char *p;
1017         int size, i;
1018
1019         buf=BUF_MEM_new();
1020         pkey = EVP_PKEY_new();
1021         size = 0;
1022         if (buf == NULL || pkey == NULL)
1023                 goto error;
1024         for (;;)
1025                 {
1026                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1027                         goto error;
1028                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1029                 size += i;
1030                 if (i == 0)
1031                         break;
1032                 if (i < 0)
1033                         {
1034                                 BIO_printf(err, "Error reading %s %s",
1035                                         key_descrip, file);
1036                                 goto error;
1037                         }
1038                 }
1039         p=(unsigned char *)buf->data;
1040         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1041                 (format == FORMAT_IISSGC ? 1 : 0));
1042         if (rsa == NULL)
1043                 goto error;
1044         BUF_MEM_free(buf);
1045         EVP_PKEY_set1_RSA(pkey, rsa);
1046         return pkey;
1047 error:
1048         BUF_MEM_free(buf);
1049         EVP_PKEY_free(pkey);
1050         return NULL;
1051         }
1052 #endif /* ndef OPENSSL_NO_RC4 */
1053
1054 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1055         const char *pass, ENGINE *e, const char *cert_descrip)
1056         {
1057         BIO *certs;
1058         int i;
1059         STACK_OF(X509) *othercerts = NULL;
1060         STACK_OF(X509_INFO) *allcerts = NULL;
1061         X509_INFO *xi;
1062         PW_CB_DATA cb_data;
1063
1064         cb_data.password = pass;
1065         cb_data.prompt_info = file;
1066
1067         if((certs = BIO_new(BIO_s_file())) == NULL)
1068                 {
1069                 ERR_print_errors(err);
1070                 goto end;
1071                 }
1072
1073         if (file == NULL)
1074                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1075         else
1076                 {
1077                 if (BIO_read_filename(certs,file) <= 0)
1078                         {
1079                         BIO_printf(err, "Error opening %s %s\n",
1080                                 cert_descrip, file);
1081                         ERR_print_errors(err);
1082                         goto end;
1083                         }
1084                 }
1085
1086         if      (format == FORMAT_PEM)
1087                 {
1088                 othercerts = sk_X509_new_null();
1089                 if(!othercerts)
1090                         {
1091                         sk_X509_free(othercerts);
1092                         othercerts = NULL;
1093                         goto end;
1094                         }
1095                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1096                                 (pem_password_cb *)password_callback, &cb_data);
1097                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1098                         {
1099                         xi = sk_X509_INFO_value (allcerts, i);
1100                         if (xi->x509)
1101                                 {
1102                                 sk_X509_push(othercerts, xi->x509);
1103                                 xi->x509 = NULL;
1104                                 }
1105                         }
1106                 goto end;
1107                 }
1108         else    {
1109                 BIO_printf(err,"bad input format specified for %s\n",
1110                         cert_descrip);
1111                 goto end;
1112                 }
1113 end:
1114         if (othercerts == NULL)
1115                 {
1116                 BIO_printf(err,"unable to load certificates\n");
1117                 ERR_print_errors(err);
1118                 }
1119         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1120         if (certs != NULL) BIO_free(certs);
1121         return(othercerts);
1122         }
1123
1124
1125 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1126 /* Return error for unknown extensions */
1127 #define X509V3_EXT_DEFAULT              0
1128 /* Print error for unknown extensions */
1129 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1130 /* ASN1 parse unknown extensions */
1131 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1132 /* BIO_dump unknown extensions */
1133 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1134
1135 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1136                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1137
1138 int set_cert_ex(unsigned long *flags, const char *arg)
1139 {
1140         static const NAME_EX_TBL cert_tbl[] = {
1141                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1142                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1143                 { "no_header", X509_FLAG_NO_HEADER, 0},
1144                 { "no_version", X509_FLAG_NO_VERSION, 0},
1145                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1146                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1147                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1148                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1149                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1150                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1151                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1152                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1153                 { "no_aux", X509_FLAG_NO_AUX, 0},
1154                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1155                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1156                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1157                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1158                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1159                 { NULL, 0, 0}
1160         };
1161         return set_multi_opts(flags, arg, cert_tbl);
1162 }
1163
1164 int set_name_ex(unsigned long *flags, const char *arg)
1165 {
1166         static const NAME_EX_TBL ex_tbl[] = {
1167                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1168                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1169                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1170                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1171                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1172                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1173                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1174                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1175                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1176                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1177                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1178                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1179                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1180                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1181                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1182                 { "dn_rev", XN_FLAG_DN_REV, 0},
1183                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1184                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1185                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1186                 { "align", XN_FLAG_FN_ALIGN, 0},
1187                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1188                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1189                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1190                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1191                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1192                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1193                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1194                 { NULL, 0, 0}
1195         };
1196         return set_multi_opts(flags, arg, ex_tbl);
1197 }
1198
1199 int set_ext_copy(int *copy_type, const char *arg)
1200 {
1201         if (!strcasecmp(arg, "none"))
1202                 *copy_type = EXT_COPY_NONE;
1203         else if (!strcasecmp(arg, "copy"))
1204                 *copy_type = EXT_COPY_ADD;
1205         else if (!strcasecmp(arg, "copyall"))
1206                 *copy_type = EXT_COPY_ALL;
1207         else
1208                 return 0;
1209         return 1;
1210 }
1211
1212 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1213 {
1214         STACK_OF(X509_EXTENSION) *exts = NULL;
1215         X509_EXTENSION *ext, *tmpext;
1216         ASN1_OBJECT *obj;
1217         int i, idx, ret = 0;
1218         if (!x || !req || (copy_type == EXT_COPY_NONE))
1219                 return 1;
1220         exts = X509_REQ_get_extensions(req);
1221
1222         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1223                 ext = sk_X509_EXTENSION_value(exts, i);
1224                 obj = X509_EXTENSION_get_object(ext);
1225                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1226                 /* Does extension exist? */
1227                 if (idx != -1) {
1228                         /* If normal copy don't override existing extension */
1229                         if (copy_type == EXT_COPY_ADD)
1230                                 continue;
1231                         /* Delete all extensions of same type */
1232                         do {
1233                                 tmpext = X509_get_ext(x, idx);
1234                                 X509_delete_ext(x, idx);
1235                                 X509_EXTENSION_free(tmpext);
1236                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1237                         } while (idx != -1);
1238                 }
1239                 if (!X509_add_ext(x, ext, -1))
1240                         goto end;
1241         }
1242
1243         ret = 1;
1244
1245         end:
1246
1247         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1248
1249         return ret;
1250 }
1251
1252
1253
1254
1255 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1256 {
1257         STACK_OF(CONF_VALUE) *vals;
1258         CONF_VALUE *val;
1259         int i, ret = 1;
1260         if(!arg) return 0;
1261         vals = X509V3_parse_list(arg);
1262         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1263                 val = sk_CONF_VALUE_value(vals, i);
1264                 if (!set_table_opts(flags, val->name, in_tbl))
1265                         ret = 0;
1266         }
1267         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1268         return ret;
1269 }
1270
1271 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1272 {
1273         char c;
1274         const NAME_EX_TBL *ptbl;
1275         c = arg[0];
1276
1277         if(c == '-') {
1278                 c = 0;
1279                 arg++;
1280         } else if (c == '+') {
1281                 c = 1;
1282                 arg++;
1283         } else c = 1;
1284
1285         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1286                 if(!strcasecmp(arg, ptbl->name)) {
1287                         *flags &= ~ptbl->mask;
1288                         if(c) *flags |= ptbl->flag;
1289                         else *flags &= ~ptbl->flag;
1290                         return 1;
1291                 }
1292         }
1293         return 0;
1294 }
1295
1296 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1297 {
1298         char *buf;
1299         char mline = 0;
1300         int indent = 0;
1301
1302         if(title) BIO_puts(out, title);
1303         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1304                 mline = 1;
1305                 indent = 4;
1306         }
1307         if(lflags == XN_FLAG_COMPAT) {
1308                 buf = X509_NAME_oneline(nm, 0, 0);
1309                 BIO_puts(out, buf);
1310                 BIO_puts(out, "\n");
1311                 OPENSSL_free(buf);
1312         } else {
1313                 if(mline) BIO_puts(out, "\n");
1314                 X509_NAME_print_ex(out, nm, indent, lflags);
1315                 BIO_puts(out, "\n");
1316         }
1317 }
1318
1319 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1320 {
1321         X509_STORE *store;
1322         X509_LOOKUP *lookup;
1323         if(!(store = X509_STORE_new())) goto end;
1324         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1325         if (lookup == NULL) goto end;
1326         if (CAfile) {
1327                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1328                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1329                         goto end;
1330                 }
1331         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1332
1333         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1334         if (lookup == NULL) goto end;
1335         if (CApath) {
1336                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1337                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1338                         goto end;
1339                 }
1340         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1341
1342         ERR_clear_error();
1343         return store;
1344         end:
1345         X509_STORE_free(store);
1346         return NULL;
1347 }
1348
1349 #ifndef OPENSSL_NO_ENGINE
1350 /* Try to load an engine in a shareable library */
1351 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1352         {
1353         ENGINE *e = ENGINE_by_id("dynamic");
1354         if (e)
1355                 {
1356                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1357                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1358                         {
1359                         ENGINE_free(e);
1360                         e = NULL;
1361                         }
1362                 }
1363         return e;
1364         }
1365
1366 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1367         {
1368         ENGINE *e = NULL;
1369
1370         if (engine)
1371                 {
1372                 if(strcmp(engine, "auto") == 0)
1373                         {
1374                         BIO_printf(err,"enabling auto ENGINE support\n");
1375                         ENGINE_register_all_complete();
1376                         return NULL;
1377                         }
1378                 if((e = ENGINE_by_id(engine)) == NULL
1379                         && (e = try_load_engine(err, engine, debug)) == NULL)
1380                         {
1381                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1382                         ERR_print_errors(err);
1383                         return NULL;
1384                         }
1385                 if (debug)
1386                         {
1387                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1388                                 0, err, 0);
1389                         }
1390                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1391                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1392                         {
1393                         BIO_printf(err,"can't use that engine\n");
1394                         ERR_print_errors(err);
1395                         ENGINE_free(e);
1396                         return NULL;
1397                         }
1398
1399                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1400
1401                 /* Free our "structural" reference. */
1402                 ENGINE_free(e);
1403                 }
1404         return e;
1405         }
1406 #endif
1407
1408 int load_config(BIO *err, CONF *cnf)
1409         {
1410         if (!cnf)
1411                 cnf = config;
1412         if (!cnf)
1413                 return 1;
1414
1415         OPENSSL_load_builtin_modules();
1416
1417         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1418                 {
1419                 BIO_printf(err, "Error configuring OpenSSL\n");
1420                 ERR_print_errors(err);
1421                 return 0;
1422                 }
1423         return 1;
1424         }
1425
1426 char *make_config_name()
1427         {
1428         const char *t=X509_get_default_cert_area();
1429         size_t len;
1430         char *p;
1431
1432         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1433         p=OPENSSL_malloc(len);
1434         BUF_strlcpy(p,t,len);
1435 #ifndef OPENSSL_SYS_VMS
1436         BUF_strlcat(p,"/",len);
1437 #endif
1438         BUF_strlcat(p,OPENSSL_CONF,len);
1439
1440         return p;
1441         }
1442
1443 static unsigned long index_serial_hash(const char **a)
1444         {
1445         const char *n;
1446
1447         n=a[DB_serial];
1448         while (*n == '0') n++;
1449         return(lh_strhash(n));
1450         }
1451
1452 static int index_serial_cmp(const char **a, const char **b)
1453         {
1454         const char *aa,*bb;
1455
1456         for (aa=a[DB_serial]; *aa == '0'; aa++);
1457         for (bb=b[DB_serial]; *bb == '0'; bb++);
1458         return(strcmp(aa,bb));
1459         }
1460
1461 static int index_name_qual(char **a)
1462         { return(a[0][0] == 'V'); }
1463
1464 static unsigned long index_name_hash(const char **a)
1465         { return(lh_strhash(a[DB_name])); }
1466
1467 int index_name_cmp(const char **a, const char **b)
1468         { return(strcmp(a[DB_name],
1469              b[DB_name])); }
1470
1471 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1472 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1473 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1474 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1475
1476 #undef BSIZE
1477 #define BSIZE 256
1478
1479 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1480         {
1481         BIO *in=NULL;
1482         BIGNUM *ret=NULL;
1483         MS_STATIC char buf[1024];
1484         ASN1_INTEGER *ai=NULL;
1485
1486         ai=ASN1_INTEGER_new();
1487         if (ai == NULL) goto err;
1488
1489         if ((in=BIO_new(BIO_s_file())) == NULL)
1490                 {
1491                 ERR_print_errors(bio_err);
1492                 goto err;
1493                 }
1494
1495         if (BIO_read_filename(in,serialfile) <= 0)
1496                 {
1497                 if (!create)
1498                         {
1499                         perror(serialfile);
1500                         goto err;
1501                         }
1502                 else
1503                         {
1504                         ret=BN_new();
1505                         if (ret == NULL || !rand_serial(ret, ai))
1506                                 BIO_printf(bio_err, "Out of memory\n");
1507                         }
1508                 }
1509         else
1510                 {
1511                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1512                         {
1513                         BIO_printf(bio_err,"unable to load number from %s\n",
1514                                 serialfile);
1515                         goto err;
1516                         }
1517                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1518                 if (ret == NULL)
1519                         {
1520                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1521                         goto err;
1522                         }
1523                 }
1524
1525         if (ret && retai)
1526                 {
1527                 *retai = ai;
1528                 ai = NULL;
1529                 }
1530  err:
1531         if (in != NULL) BIO_free(in);
1532         if (ai != NULL) ASN1_INTEGER_free(ai);
1533         return(ret);
1534         }
1535
1536 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1537         {
1538         char buf[1][BSIZE];
1539         BIO *out = NULL;
1540         int ret=0;
1541         ASN1_INTEGER *ai=NULL;
1542         int j;
1543
1544         if (suffix == NULL)
1545                 j = strlen(serialfile);
1546         else
1547                 j = strlen(serialfile) + strlen(suffix) + 1;
1548         if (j >= BSIZE)
1549                 {
1550                 BIO_printf(bio_err,"file name too long\n");
1551                 goto err;
1552                 }
1553
1554         if (suffix == NULL)
1555                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1556         else
1557                 {
1558 #ifndef OPENSSL_SYS_VMS
1559                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1560 #else
1561                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1562 #endif
1563                 }
1564 #ifdef RL_DEBUG
1565         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1566 #endif
1567         out=BIO_new(BIO_s_file());
1568         if (out == NULL)
1569                 {
1570                 ERR_print_errors(bio_err);
1571                 goto err;
1572                 }
1573         if (BIO_write_filename(out,buf[0]) <= 0)
1574                 {
1575                 perror(serialfile);
1576                 goto err;
1577                 }
1578
1579         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1580                 {
1581                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1582                 goto err;
1583                 }
1584         i2a_ASN1_INTEGER(out,ai);
1585         BIO_puts(out,"\n");
1586         ret=1;
1587         if (retai)
1588                 {
1589                 *retai = ai;
1590                 ai = NULL;
1591                 }
1592 err:
1593         if (out != NULL) BIO_free_all(out);
1594         if (ai != NULL) ASN1_INTEGER_free(ai);
1595         return(ret);
1596         }
1597
1598 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1599         {
1600         char buf[5][BSIZE];
1601         int i,j;
1602         struct stat sb;
1603
1604         i = strlen(serialfile) + strlen(old_suffix);
1605         j = strlen(serialfile) + strlen(new_suffix);
1606         if (i > j) j = i;
1607         if (j + 1 >= BSIZE)
1608                 {
1609                 BIO_printf(bio_err,"file name too long\n");
1610                 goto err;
1611                 }
1612
1613 #ifndef OPENSSL_SYS_VMS
1614         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1615                 serialfile, new_suffix);
1616 #else
1617         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1618                 serialfile, new_suffix);
1619 #endif
1620 #ifndef OPENSSL_SYS_VMS
1621         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1622                 serialfile, old_suffix);
1623 #else
1624         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1625                 serialfile, old_suffix);
1626 #endif
1627         if (stat(serialfile,&sb) < 0)
1628                 {
1629                 if (errno != ENOENT
1630 #ifdef ENOTDIR
1631                         && errno != ENOTDIR
1632 #endif
1633                    )
1634                         goto err;
1635                 }
1636         else
1637                 {
1638 #ifdef RL_DEBUG
1639                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1640                         serialfile, buf[1]);
1641 #endif
1642                 if (rename(serialfile,buf[1]) < 0)
1643                         {
1644                         BIO_printf(bio_err,
1645                                 "unable to rename %s to %s\n",
1646                                 serialfile, buf[1]);
1647                         perror("reason");
1648                         goto err;
1649                         }
1650                 }
1651 #ifdef RL_DEBUG
1652         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1653                 buf[0],serialfile);
1654 #endif
1655         if (rename(buf[0],serialfile) < 0)
1656                 {
1657                 BIO_printf(bio_err,
1658                         "unable to rename %s to %s\n",
1659                         buf[0],serialfile);
1660                 perror("reason");
1661                 rename(buf[1],serialfile);
1662                 goto err;
1663                 }
1664         return 1;
1665  err:
1666         return 0;
1667         }
1668
1669 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1670         {
1671         BIGNUM *btmp;
1672         int ret = 0;
1673         if (b)
1674                 btmp = b;
1675         else
1676                 btmp = BN_new();
1677
1678         if (!btmp)
1679                 return 0;
1680
1681         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1682                 goto error;
1683         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1684                 goto error;
1685
1686         ret = 1;
1687
1688         error:
1689
1690         if (!b)
1691                 BN_free(btmp);
1692
1693         return ret;
1694         }
1695
1696 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1697         {
1698         CA_DB *retdb = NULL;
1699         TXT_DB *tmpdb = NULL;
1700         BIO *in = BIO_new(BIO_s_file());
1701         CONF *dbattr_conf = NULL;
1702         char buf[1][BSIZE];
1703         long errorline= -1;
1704
1705         if (in == NULL)
1706                 {
1707                 ERR_print_errors(bio_err);
1708                 goto err;
1709                 }
1710         if (BIO_read_filename(in,dbfile) <= 0)
1711                 {
1712                 perror(dbfile);
1713                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1714                 goto err;
1715                 }
1716         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1717                 {
1718                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1719                 goto err;
1720                 }
1721
1722 #ifndef OPENSSL_SYS_VMS
1723         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1724 #else
1725         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1726 #endif
1727         dbattr_conf = NCONF_new(NULL);
1728         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1729                 {
1730                 if (errorline > 0)
1731                         {
1732                         BIO_printf(bio_err,
1733                                 "error on line %ld of db attribute file '%s'\n"
1734                                 ,errorline,buf[0]);
1735                         goto err;
1736                         }
1737                 else
1738                         {
1739                         NCONF_free(dbattr_conf);
1740                         dbattr_conf = NULL;
1741                         }
1742                 }
1743
1744         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1745                 {
1746                 fprintf(stderr, "Out of memory\n");
1747                 goto err;
1748                 }
1749
1750         retdb->db = tmpdb;
1751         tmpdb = NULL;
1752         if (db_attr)
1753                 retdb->attributes = *db_attr;
1754         else
1755                 {
1756                 retdb->attributes.unique_subject = 1;
1757                 }
1758
1759         if (dbattr_conf)
1760                 {
1761                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1762                 if (p)
1763                         {
1764 #ifdef RL_DEBUG
1765                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1766 #endif
1767                         retdb->attributes.unique_subject = parse_yesno(p,1);
1768                         }
1769                 }
1770
1771  err:
1772         if (dbattr_conf) NCONF_free(dbattr_conf);
1773         if (tmpdb) TXT_DB_free(tmpdb);
1774         if (in) BIO_free_all(in);
1775         return retdb;
1776         }
1777
1778 int index_index(CA_DB *db)
1779         {
1780         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1781                                 LHASH_HASH_FN(index_serial_hash),
1782                                 LHASH_COMP_FN(index_serial_cmp)))
1783                 {
1784                 BIO_printf(bio_err,
1785                   "error creating serial number index:(%ld,%ld,%ld)\n",
1786                                         db->db->error,db->db->arg1,db->db->arg2);
1787                         return 0;
1788                 }
1789
1790         if (db->attributes.unique_subject
1791                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1792                         LHASH_HASH_FN(index_name_hash),
1793                         LHASH_COMP_FN(index_name_cmp)))
1794                 {
1795                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1796                         db->db->error,db->db->arg1,db->db->arg2);
1797                 return 0;
1798                 }
1799         return 1;
1800         }
1801
1802 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1803         {
1804         char buf[3][BSIZE];
1805         BIO *out = BIO_new(BIO_s_file());
1806         int j;
1807
1808         if (out == NULL)
1809                 {
1810                 ERR_print_errors(bio_err);
1811                 goto err;
1812                 }
1813
1814         j = strlen(dbfile) + strlen(suffix);
1815         if (j + 6 >= BSIZE)
1816                 {
1817                 BIO_printf(bio_err,"file name too long\n");
1818                 goto err;
1819                 }
1820
1821 #ifndef OPENSSL_SYS_VMS
1822         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1823 #else
1824         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1825 #endif
1826 #ifndef OPENSSL_SYS_VMS
1827         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1828 #else
1829         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1830 #endif
1831 #ifndef OPENSSL_SYS_VMS
1832         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1833 #else
1834         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1835 #endif
1836 #ifdef RL_DEBUG
1837         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1838 #endif
1839         if (BIO_write_filename(out,buf[0]) <= 0)
1840                 {
1841                 perror(dbfile);
1842                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1843                 goto err;
1844                 }
1845         j=TXT_DB_write(out,db->db);
1846         if (j <= 0) goto err;
1847
1848         BIO_free(out);
1849
1850         out = BIO_new(BIO_s_file());
1851 #ifdef RL_DEBUG
1852         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1853 #endif
1854         if (BIO_write_filename(out,buf[1]) <= 0)
1855                 {
1856                 perror(buf[2]);
1857                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1858                 goto err;
1859                 }
1860         BIO_printf(out,"unique_subject = %s\n",
1861                 db->attributes.unique_subject ? "yes" : "no");
1862         BIO_free(out);
1863
1864         return 1;
1865  err:
1866         return 0;
1867         }
1868
1869 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1870         {
1871         char buf[5][BSIZE];
1872         int i,j;
1873         struct stat sb;
1874
1875         i = strlen(dbfile) + strlen(old_suffix);
1876         j = strlen(dbfile) + strlen(new_suffix);
1877         if (i > j) j = i;
1878         if (j + 6 >= BSIZE)
1879                 {
1880                 BIO_printf(bio_err,"file name too long\n");
1881                 goto err;
1882                 }
1883
1884 #ifndef OPENSSL_SYS_VMS
1885         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1886 #else
1887         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1888 #endif
1889 #ifndef OPENSSL_SYS_VMS
1890         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1891                 dbfile, new_suffix);
1892 #else
1893         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1894                 dbfile, new_suffix);
1895 #endif
1896 #ifndef OPENSSL_SYS_VMS
1897         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1898                 dbfile, new_suffix);
1899 #else
1900         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1901                 dbfile, new_suffix);
1902 #endif
1903 #ifndef OPENSSL_SYS_VMS
1904         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1905                 dbfile, old_suffix);
1906 #else
1907         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1908                 dbfile, old_suffix);
1909 #endif
1910 #ifndef OPENSSL_SYS_VMS
1911         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1912                 dbfile, old_suffix);
1913 #else
1914         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1915                 dbfile, old_suffix);
1916 #endif
1917         if (stat(dbfile,&sb) < 0)
1918                 {
1919                 if (errno != ENOENT
1920 #ifdef ENOTDIR
1921                         && errno != ENOTDIR
1922 #endif
1923                    )
1924                         goto err;
1925                 }
1926         else
1927                 {
1928 #ifdef RL_DEBUG
1929                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1930                         dbfile, buf[1]);
1931 #endif
1932                 if (rename(dbfile,buf[1]) < 0)
1933                         {
1934                         BIO_printf(bio_err,
1935                                 "unable to rename %s to %s\n",
1936                                 dbfile, buf[1]);
1937                         perror("reason");
1938                         goto err;
1939                         }
1940                 }
1941 #ifdef RL_DEBUG
1942         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1943                 buf[0],dbfile);
1944 #endif
1945         if (rename(buf[0],dbfile) < 0)
1946                 {
1947                 BIO_printf(bio_err,
1948                         "unable to rename %s to %s\n",
1949                         buf[0],dbfile);
1950                 perror("reason");
1951                 rename(buf[1],dbfile);
1952                 goto err;
1953                 }
1954         if (stat(buf[4],&sb) < 0)
1955                 {
1956                 if (errno != ENOENT
1957 #ifdef ENOTDIR
1958                         && errno != ENOTDIR
1959 #endif
1960                    )
1961                         goto err;
1962                 }
1963         else
1964                 {
1965 #ifdef RL_DEBUG
1966                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1967                         buf[4],buf[3]);
1968 #endif
1969                 if (rename(buf[4],buf[3]) < 0)
1970                         {
1971                         BIO_printf(bio_err,
1972                                 "unable to rename %s to %s\n",
1973                                 buf[4], buf[3]);
1974                         perror("reason");
1975                         rename(dbfile,buf[0]);
1976                         rename(buf[1],dbfile);
1977                         goto err;
1978                         }
1979                 }
1980 #ifdef RL_DEBUG
1981         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1982                 buf[2],buf[4]);
1983 #endif
1984         if (rename(buf[2],buf[4]) < 0)
1985                 {
1986                 BIO_printf(bio_err,
1987                         "unable to rename %s to %s\n",
1988                         buf[2],buf[4]);
1989                 perror("reason");
1990                 rename(buf[3],buf[4]);
1991                 rename(dbfile,buf[0]);
1992                 rename(buf[1],dbfile);
1993                 goto err;
1994                 }
1995         return 1;
1996  err:
1997         return 0;
1998         }
1999
2000 void free_index(CA_DB *db)
2001         {
2002         if (db)
2003                 {
2004                 if (db->db) TXT_DB_free(db->db);
2005                 OPENSSL_free(db);
2006                 }
2007         }
2008
2009 int parse_yesno(const char *str, int def)
2010         {
2011         int ret = def;
2012         if (str)
2013                 {
2014                 switch (*str)
2015                         {
2016                 case 'f': /* false */
2017                 case 'F': /* FALSE */
2018                 case 'n': /* no */
2019                 case 'N': /* NO */
2020                 case '0': /* 0 */
2021                         ret = 0;
2022                         break;
2023                 case 't': /* true */
2024                 case 'T': /* TRUE */
2025                 case 'y': /* yes */
2026                 case 'Y': /* YES */
2027                 case '1': /* 1 */
2028                         ret = 0;
2029                         break;
2030                 default:
2031                         ret = def;
2032                         break;
2033                         }
2034                 }
2035         return ret;
2036         }
2037
2038 /*
2039  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2040  * where characters may be escaped by \
2041  */
2042 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2043         {
2044         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2045         char *buf = OPENSSL_malloc(buflen);
2046         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2047         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2048         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2049         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2050
2051         char *sp = subject, *bp = buf;
2052         int i, ne_num = 0;
2053
2054         X509_NAME *n = NULL;
2055         int nid;
2056
2057         if (!buf || !ne_types || !ne_values)
2058                 {
2059                 BIO_printf(bio_err, "malloc error\n");
2060                 goto error;
2061                 }
2062
2063         if (*subject != '/')
2064                 {
2065                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2066                 goto error;
2067                 }
2068         sp++; /* skip leading / */
2069
2070         /* no multivalued RDN by default */
2071         mval[ne_num] = 0;
2072
2073         while (*sp)
2074                 {
2075                 /* collect type */
2076                 ne_types[ne_num] = bp;
2077                 while (*sp)
2078                         {
2079                         if (*sp == '\\') /* is there anything to escape in the type...? */
2080                                 {
2081                                 if (*++sp)
2082                                         *bp++ = *sp++;
2083                                 else
2084                                         {
2085                                         BIO_printf(bio_err, "escape character at end of string\n");
2086                                         goto error;
2087                                         }
2088                                 }
2089                         else if (*sp == '=')
2090                                 {
2091                                 sp++;
2092                                 *bp++ = '\0';
2093                                 break;
2094                                 }
2095                         else
2096                                 *bp++ = *sp++;
2097                         }
2098                 if (!*sp)
2099                         {
2100                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2101                         goto error;
2102                         }
2103                 ne_values[ne_num] = bp;
2104                 while (*sp)
2105                         {
2106                         if (*sp == '\\')
2107                                 {
2108                                 if (*++sp)
2109                                         *bp++ = *sp++;
2110                                 else
2111                                         {
2112                                         BIO_printf(bio_err, "escape character at end of string\n");
2113                                         goto error;
2114                                         }
2115                                 }
2116                         else if (*sp == '/')
2117                                 {
2118                                 sp++;
2119                                 /* no multivalued RDN by default */
2120                                 mval[ne_num+1] = 0;
2121                                 break;
2122                                 }
2123                         else if (*sp == '+' && multirdn)
2124                                 {
2125                                 /* a not escaped + signals a mutlivalued RDN */
2126                                 sp++;
2127                                 mval[ne_num+1] = -1;
2128                                 break;
2129                                 }
2130                         else
2131                                 *bp++ = *sp++;
2132                         }
2133                 *bp++ = '\0';
2134                 ne_num++;
2135                 }
2136
2137         if (!(n = X509_NAME_new()))
2138                 goto error;
2139
2140         for (i = 0; i < ne_num; i++)
2141                 {
2142                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2143                         {
2144                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2145                         continue;
2146                         }
2147
2148                 if (!*ne_values[i])
2149                         {
2150                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2151                         continue;
2152                         }
2153
2154                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2155                         goto error;
2156                 }
2157
2158         OPENSSL_free(ne_values);
2159         OPENSSL_free(ne_types);
2160         OPENSSL_free(buf);
2161         return n;
2162
2163 error:
2164         X509_NAME_free(n);
2165         if (ne_values)
2166                 OPENSSL_free(ne_values);
2167         if (ne_types)
2168                 OPENSSL_free(ne_types);
2169         if (buf)
2170                 OPENSSL_free(buf);
2171         return NULL;
2172 }
2173
2174 /* This code MUST COME AFTER anything that uses rename() */
2175 #ifdef OPENSSL_SYS_WIN32
2176 int WIN32_rename(const char *from, const char *to)
2177         {
2178 #ifndef OPENSSL_SYS_WINCE
2179         /* Windows rename gives an error if 'to' exists, so delete it
2180          * first and ignore file not found errror
2181          */
2182         if((remove(to) != 0) && (errno != ENOENT))
2183                 return -1;
2184 #undef rename
2185         return rename(from, to);
2186 #else
2187         /* convert strings to UNICODE */
2188         {
2189         BOOL result = FALSE;
2190         WCHAR* wfrom;
2191         WCHAR* wto;
2192         int i;
2193         wfrom = malloc((strlen(from)+1)*2);
2194         wto = malloc((strlen(to)+1)*2);
2195         if (wfrom != NULL && wto != NULL)
2196                 {
2197                 for (i=0; i<(int)strlen(from)+1; i++)
2198                         wfrom[i] = (short)from[i];
2199                 for (i=0; i<(int)strlen(to)+1; i++)
2200                         wto[i] = (short)to[i];
2201                 result = MoveFile(wfrom, wto);
2202                 }
2203         if (wfrom != NULL)
2204                 free(wfrom);
2205         if (wto != NULL)
2206                 free(wto);
2207         return result;
2208         }
2209 #endif
2210         }
2211 #endif
2212
2213 int args_verify(char ***pargs, int *pargc,
2214                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2215         {
2216         ASN1_OBJECT *otmp = NULL;
2217         unsigned long flags = 0;
2218         int i;
2219         int purpose = 0;
2220         char **oldargs = *pargs;
2221         char *arg = **pargs, *argn = (*pargs)[1];
2222         if (!strcmp(arg, "-policy"))
2223                 {
2224                 if (!argn)
2225                         *badarg = 1;
2226                 else
2227                         {
2228                         otmp = OBJ_txt2obj(argn, 0);
2229                         if (!otmp)
2230                                 {
2231                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2232                                                                         argn);
2233                                 *badarg = 1;
2234                                 }
2235                         }
2236                 (*pargs)++;
2237                 }
2238         else if (strcmp(arg,"-purpose") == 0)
2239                 {
2240                 X509_PURPOSE *xptmp;
2241                 if (!argn)
2242                         *badarg = 1;
2243                 else
2244                         {
2245                         i = X509_PURPOSE_get_by_sname(argn);
2246                         if(i < 0)
2247                                 {
2248                                 BIO_printf(err, "unrecognized purpose\n");
2249                                 *badarg = 1;
2250                                 }
2251                         else
2252                                 {
2253                                 xptmp = X509_PURPOSE_get0(i);
2254                                 purpose = X509_PURPOSE_get_id(xptmp);
2255                                 }
2256                         }
2257                 (*pargs)++;
2258                 }
2259         else if (!strcmp(arg, "-ignore_critical"))
2260                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2261         else if (!strcmp(arg, "-issuer_checks"))
2262                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2263         else if (!strcmp(arg, "-crl_check"))
2264                 flags |=  X509_V_FLAG_CRL_CHECK;
2265         else if (!strcmp(arg, "-crl_check_all"))
2266                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2267         else if (!strcmp(arg, "-policy_check"))
2268                 flags |= X509_V_FLAG_POLICY_CHECK;
2269         else if (!strcmp(arg, "-explicit_policy"))
2270                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2271         else if (!strcmp(arg, "-x509_strict"))
2272                 flags |= X509_V_FLAG_X509_STRICT;
2273         else if (!strcmp(arg, "-policy_print"))
2274                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2275         else
2276                 return 0;
2277
2278         if (*badarg)
2279                 {
2280                 if (*pm)
2281                         X509_VERIFY_PARAM_free(*pm);
2282                 *pm = NULL;
2283                 goto end;
2284                 }
2285
2286         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2287                 {
2288                 *badarg = 1;
2289                 goto end;
2290                 }
2291
2292         if (otmp)
2293                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2294         if (flags)
2295                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2296
2297         if (purpose)
2298                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2299
2300         end:
2301
2302         (*pargs)++;
2303
2304         if (pargc)
2305                 *pargc -= *pargs - oldargs;
2306
2307         return 1;
2308
2309         }
2310
2311 static void nodes_print(BIO *out, const char *name,
2312         STACK_OF(X509_POLICY_NODE) *nodes)
2313         {
2314         X509_POLICY_NODE *node;
2315         int i;
2316         BIO_printf(out, "%s Policies:", name);
2317         if (nodes)
2318                 {
2319                 BIO_puts(out, "\n");
2320                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2321                         {
2322                         node = sk_X509_POLICY_NODE_value(nodes, i);
2323                         X509_POLICY_NODE_print(out, node, 2);
2324                         }
2325                 }
2326         else
2327                 BIO_puts(out, " <empty>\n");
2328         }
2329
2330 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2331         {
2332         X509_POLICY_TREE *tree;
2333         int explicit_policy;
2334         int free_out = 0;
2335         if (out == NULL)
2336                 {
2337                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2338                 free_out = 1;
2339                 }
2340         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2341         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2342
2343         BIO_printf(out, "Require explicit Policy: %s\n",
2344                                 explicit_policy ? "True" : "False");
2345
2346         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2347         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2348         if (free_out)
2349                 BIO_free(out);
2350         }