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 <ctype.h>
 117 #include <errno.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 #ifdef _WIN32
 138 static int WIN32_rename(const char *from, const char *to);
 139 #define rename(from,to) WIN32_rename((from),(to))
 140 #endif
 141
 142 typedef struct {
 143         const char *name;
 144         unsigned long flag;
 145         unsigned long mask;
 146 } NAME_EX_TBL;
 147
 148 static UI_METHOD *ui_method = NULL;
 149
 150 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 151 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 152
 153 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 154 /* Looks like this stuff is worth moving into separate function */
 155 static EVP_PKEY *
 156 load_netscape_key(BIO *err, BIO *key, const char *file,
 157                 const char *key_descrip, int format);
 158 #endif
 159
 160 int app_init(long mesgwin);
 161 #ifdef undef /* never finished - probably never will be :-) */
 162 int args_from_file(char *file, int *argc, char **argv[])
 163         {
 164         FILE *fp;
 165         int num,i;
 166         unsigned int len;
 167         static char *buf=NULL;
 168         static char **arg=NULL;
 169         char *p;
 170
 171         fp=fopen(file,"r");
 172         if (fp == NULL)
 173                 return(0);
 174
 175         if (fseek(fp,0,SEEK_END)==0)
 176                 len=ftell(fp), rewind(fp);
 177         else    len=-1;
 178         if (len<=0)
 179                 {
 180                 fclose(fp);
 181                 return(0);
 182                 }
 183
 184         *argc=0;
 185         *argv=NULL;
 186
 187         if (buf != NULL) OPENSSL_free(buf);
 188         buf=(char *)OPENSSL_malloc(len+1);
 189         if (buf == NULL) return(0);
 190
 191         len=fread(buf,1,len,fp);
 192         if (len <= 1) return(0);
 193         buf[len]='\0';
 194
 195         i=0;
 196         for (p=buf; *p; p++)
 197                 if (*p == '\n') i++;
 198         if (arg != NULL) OPENSSL_free(arg);
 199         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 200
 201         *argv=arg;
 202         num=0;
 203         p=buf;
 204         for (;;)
 205                 {
 206                 if (!*p) break;
 207                 if (*p == '#') /* comment line */
 208                         {
 209                         while (*p && (*p != '\n')) p++;
 210                         continue;
 211                         }
 212                 /* else we have a line */
 213                 *(arg++)=p;
 214                 num++;
 215                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 216                         p++;
 217                 if (!*p) break;
 218                 if (*p == '\n')
 219                         {
 220                         *(p++)='\0';
 221                         continue;
 222                         }
 223                 /* else it is a tab or space */
 224                 p++;
 225                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 226                         p++;
 227                 if (!*p) break;
 228                 if (*p == '\n')
 229                         {
 230                         p++;
 231                         continue;
 232                         }
 233                 *(arg++)=p++;
 234                 num++;
 235                 while (*p && (*p != '\n')) p++;
 236                 if (!*p) break;
 237                 /* else *p == '\n' */
 238                 *(p++)='\0';
 239                 }
 240         *argc=num;
 241         return(1);
 242         }
 243 #endif
 244
 245 int str2fmt(char *s)
 246         {
 247         if      ((*s == 'D') || (*s == 'd'))
 248                 return(FORMAT_ASN1);
 249         else if ((*s == 'T') || (*s == 't'))
 250                 return(FORMAT_TEXT);
 251         else if ((*s == 'P') || (*s == 'p'))
 252                 {
 253                 if (s[1] == 'V' || s[1] == 'v')
 254                         return FORMAT_PVK;
 255                 else
 256                         return(FORMAT_PEM);
 257                 }
 258         else if ((*s == 'N') || (*s == 'n'))
 259                 return(FORMAT_NETSCAPE);
 260         else if ((*s == 'S') || (*s == 's'))
 261                 return(FORMAT_SMIME);
 262         else if ((*s == 'M') || (*s == 'm'))
 263                 return(FORMAT_MSBLOB);
 264         else if ((*s == '1')
 265                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 266                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 267                 return(FORMAT_PKCS12);
 268         else if ((*s == 'E') || (*s == 'e'))
 269                 return(FORMAT_ENGINE);
 270         else
 271                 return(FORMAT_UNDEF);
 272         }
 273
 274 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 275 void program_name(char *in, char *out, int size)
 276         {
 277         int i,n;
 278         char *p=NULL;
 279
 280         n=strlen(in);
 281         /* find the last '/', '\' or ':' */
 282         for (i=n-1; i>0; i--)
 283                 {
 284                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 285                         {
 286                         p= &(in[i+1]);
 287                         break;
 288                         }
 289                 }
 290         if (p == NULL)
 291                 p=in;
 292         n=strlen(p);
 293
 294 #if defined(OPENSSL_SYS_NETWARE)
 295    /* strip off trailing .nlm if present. */
 296    if ((n > 4) && (p[n-4] == '.') &&
 297       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 298       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 299       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 300       n-=4;
 301 #else
 302         /* strip off trailing .exe if present. */
 303         if ((n > 4) && (p[n-4] == '.') &&
 304                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 305                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 306                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 307                 n-=4;
 308 #endif
 309
 310         if (n > size-1)
 311                 n=size-1;
 312
 313         for (i=0; i<n; i++)
 314                 {
 315                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 316                         out[i]=p[i]-'A'+'a';
 317                 else
 318                         out[i]=p[i];
 319                 }
 320         out[n]='\0';
 321         }
 322 #else
 323 #ifdef OPENSSL_SYS_VMS
 324 void program_name(char *in, char *out, int size)
 325         {
 326         char *p=in, *q;
 327         char *chars=":]>";
 328
 329         while(*chars != '\0')
 330                 {
 331                 q=strrchr(p,*chars);
 332                 if (q > p)
 333                         p = q + 1;
 334                 chars++;
 335                 }
 336
 337         q=strrchr(p,'.');
 338         if (q == NULL)
 339                 q = p + strlen(p);
 340         strncpy(out,p,size-1);
 341         if (q-p >= size)
 342                 {
 343                 out[size-1]='\0';
 344                 }
 345         else
 346                 {
 347                 out[q-p]='\0';
 348                 }
 349         }
 350 #else
 351 void program_name(char *in, char *out, int size)
 352         {
 353         char *p;
 354
 355         p=strrchr(in,'/');
 356         if (p != NULL)
 357                 p++;
 358         else
 359                 p=in;
 360         BUF_strlcpy(out,p,size);
 361         }
 362 #endif
 363 #endif
 364
 365 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 366         {
 367         int num,len,i;
 368         char *p;
 369
 370         *argc=0;
 371         *argv=NULL;
 372
 373         len=strlen(buf);
 374         i=0;
 375         if (arg->count == 0)
 376                 {
 377                 arg->count=20;
 378                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 379                 }
 380         for (i=0; i<arg->count; i++)
 381                 arg->data[i]=NULL;
 382
 383         num=0;
 384         p=buf;
 385         for (;;)
 386                 {
 387                 /* first scan over white space */
 388                 if (!*p) break;
 389                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 390                         p++;
 391                 if (!*p) break;
 392
 393                 /* The start of something good :-) */
 394                 if (num >= arg->count)
 395                         {
 396                         char **tmp_p;
 397                         int tlen = arg->count + 20;
 398                         tmp_p = (char **)OPENSSL_realloc(arg->data,
 399                                 sizeof(char *)*tlen);
 400                         if (tmp_p == NULL)
 401                                 return 0;
 402                         arg->data  = tmp_p;
 403                         arg->count = tlen;
 404                         /* initialize newly allocated data */
 405                         for (i = num; i < arg->count; i++)
 406                                 arg->data[i] = NULL;
 407                         }
 408                 arg->data[num++]=p;
 409
 410                 /* now look for the end of this */
 411                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 412                         {
 413                         i= *(p++);
 414                         arg->data[num-1]++; /* jump over quote */
 415                         while (*p && (*p != i))
 416                                 p++;
 417                         *p='\0';
 418                         }
 419                 else
 420                         {
 421                         while (*p && ((*p != ' ') &&
 422                                 (*p != '\t') && (*p != '\n')))
 423                                 p++;
 424
 425                         if (*p == '\0')
 426                                 p--;
 427                         else
 428                                 *p='\0';
 429                         }
 430                 p++;
 431                 }
 432         *argc=num;
 433         *argv=arg->data;
 434         return(1);
 435         }
 436
 437 #ifndef APP_INIT
 438 int app_init(long mesgwin)
 439         {
 440         return(1);
 441         }
 442 #endif
 443
 444
 445 int dump_cert_text (BIO *out, X509 *x)
 446 {
 447         char *p;
 448
 449         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 450         BIO_puts(out,"subject=");
 451         BIO_puts(out,p);
 452         OPENSSL_free(p);
 453
 454         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 455         BIO_puts(out,"\nissuer=");
 456         BIO_puts(out,p);
 457         BIO_puts(out,"\n");
 458         OPENSSL_free(p);
 459
 460         return 0;
 461 }
 462
 463 static int ui_open(UI *ui)
 464         {
 465         return UI_method_get_opener(UI_OpenSSL())(ui);
 466         }
 467 static int ui_read(UI *ui, UI_STRING *uis)
 468         {
 469         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 470                 && UI_get0_user_data(ui))
 471                 {
 472                 switch(UI_get_string_type(uis))
 473                         {
 474                 case UIT_PROMPT:
 475                 case UIT_VERIFY:
 476                         {
 477                         const char *password =
 478                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 479                         if (password && password[0] != '\0')
 480                                 {
 481                                 UI_set_result(ui, uis, password);
 482                                 return 1;
 483                                 }
 484                         }
 485                 default:
 486                         break;
 487                         }
 488                 }
 489         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 490         }
 491 static int ui_write(UI *ui, UI_STRING *uis)
 492         {
 493         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 494                 && UI_get0_user_data(ui))
 495                 {
 496                 switch(UI_get_string_type(uis))
 497                         {
 498                 case UIT_PROMPT:
 499                 case UIT_VERIFY:
 500                         {
 501                         const char *password =
 502                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 503                         if (password && password[0] != '\0')
 504                                 return 1;
 505                         }
 506                 default:
 507                         break;
 508                         }
 509                 }
 510         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 511         }
 512 static int ui_close(UI *ui)
 513         {
 514         return UI_method_get_closer(UI_OpenSSL())(ui);
 515         }
 516 int setup_ui_method(void)
 517         {
 518         ui_method = UI_create_method("OpenSSL application user interface");
 519         UI_method_set_opener(ui_method, ui_open);
 520         UI_method_set_reader(ui_method, ui_read);
 521         UI_method_set_writer(ui_method, ui_write);
 522         UI_method_set_closer(ui_method, ui_close);
 523         return 0;
 524         }
 525 void destroy_ui_method(void)
 526         {
 527         if(ui_method)
 528                 {
 529                 UI_destroy_method(ui_method);
 530                 ui_method = NULL;
 531                 }
 532         }
 533 int password_callback(char *buf, int bufsiz, int verify,
 534         PW_CB_DATA *cb_tmp)
 535         {
 536         UI *ui = NULL;
 537         int res = 0;
 538         const char *prompt_info = NULL;
 539         const char *password = NULL;
 540         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 541
 542         if (cb_data)
 543                 {
 544                 if (cb_data->password)
 545                         password = cb_data->password;
 546                 if (cb_data->prompt_info)
 547                         prompt_info = cb_data->prompt_info;
 548                 }
 549
 550         if (password)
 551                 {
 552                 res = strlen(password);
 553                 if (res > bufsiz)
 554                         res = bufsiz;
 555                 memcpy(buf, password, res);
 556                 return res;
 557                 }
 558
 559         ui = UI_new_method(ui_method);
 560         if (ui)
 561                 {
 562                 int ok = 0;
 563                 char *buff = NULL;
 564                 int ui_flags = 0;
 565                 char *prompt = NULL;
 566
 567                 prompt = UI_construct_prompt(ui, "pass phrase",
 568                         prompt_info);
 569
 570                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 571                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 572
 573                 if (ok >= 0)
 574                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 575                                 PW_MIN_LENGTH,BUFSIZ-1);
 576                 if (ok >= 0 && verify)
 577                         {
 578                         buff = (char *)OPENSSL_malloc(bufsiz);
 579                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 580                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 581                         }
 582                 if (ok >= 0)
 583                         do
 584                                 {
 585                                 ok = UI_process(ui);
 586                                 }
 587                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 588
 589                 if (buff)
 590                         {
 591                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 592                         OPENSSL_free(buff);
 593                         }
 594
 595                 if (ok >= 0)
 596                         res = strlen(buf);
 597                 if (ok == -1)
 598                         {
 599                         BIO_printf(bio_err, "User interface error\n");
 600                         ERR_print_errors(bio_err);
 601                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 602                         res = 0;
 603                         }
 604                 if (ok == -2)
 605                         {
 606                         BIO_printf(bio_err,"aborted!\n");
 607                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 608                         res = 0;
 609                         }
 610                 UI_free(ui);
 611                 OPENSSL_free(prompt);
 612                 }
 613         return res;
 614         }
 615
 616 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 617
 618 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 619 {
 620         int same;
 621         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 622         else same = 1;
 623         if(arg1) {
 624                 *pass1 = app_get_pass(err, arg1, same);
 625                 if(!*pass1) return 0;
 626         } else if(pass1) *pass1 = NULL;
 627         if(arg2) {
 628                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 629                 if(!*pass2) return 0;
 630         } else if(pass2) *pass2 = NULL;
 631         return 1;
 632 }
 633
 634 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 635 {
 636         char *tmp, tpass[APP_PASS_LEN];
 637         static BIO *pwdbio = NULL;
 638         int i;
 639         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 640         if(!strncmp(arg, "env:", 4)) {
 641                 tmp = getenv(arg + 4);
 642                 if(!tmp) {
 643                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 644                         return NULL;
 645                 }
 646                 return BUF_strdup(tmp);
 647         }
 648         if(!keepbio || !pwdbio) {
 649                 if(!strncmp(arg, "file:", 5)) {
 650                         pwdbio = BIO_new_file(arg + 5, "r");
 651                         if(!pwdbio) {
 652                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 653                                 return NULL;
 654                         }
 655 #if !defined(_WIN32)
 656                 /*
 657                  * Under _WIN32, which covers even Win64 and CE, file
 658                  * descriptors referenced by BIO_s_fd are not inherited
 659                  * by child process and therefore below is not an option.
 660                  * It could have been an option if bss_fd.c was operating
 661                  * on real Windows descriptors, such as those obtained
 662                  * with CreateFile.
 663                  */
 664                 } else if(!strncmp(arg, "fd:", 3)) {
 665                         BIO *btmp;
 666                         i = atoi(arg + 3);
 667                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 668                         if((i < 0) || !pwdbio) {
 669                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 670                                 return NULL;
 671                         }
 672                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 673                         btmp = BIO_new(BIO_f_buffer());
 674                         pwdbio = BIO_push(btmp, pwdbio);
 675 #endif
 676                 } else if(!strcmp(arg, "stdin")) {
 677                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 678                         if(!pwdbio) {
 679                                 BIO_printf(err, "Can't open BIO for stdin\n");
 680                                 return NULL;
 681                         }
 682                 } else {
 683                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 684                         return NULL;
 685                 }
 686         }
 687         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 688         if(keepbio != 1) {
 689                 BIO_free_all(pwdbio);
 690                 pwdbio = NULL;
 691         }
 692         if(i <= 0) {
 693                 BIO_printf(err, "Error reading password from BIO\n");
 694                 return NULL;
 695         }
 696         tmp = strchr(tpass, '\n');
 697         if(tmp) *tmp = 0;
 698         return BUF_strdup(tpass);
 699 }
 700
 701 int add_oid_section(BIO *err, CONF *conf)
 702 {
 703         char *p;
 704         STACK_OF(CONF_VALUE) *sktmp;
 705         CONF_VALUE *cnf;
 706         int i;
 707         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 708                 {
 709                 ERR_clear_error();
 710                 return 1;
 711                 }
 712         if(!(sktmp = NCONF_get_section(conf, p))) {
 713                 BIO_printf(err, "problem loading oid section %s\n", p);
 714                 return 0;
 715         }
 716         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 717                 cnf = sk_CONF_VALUE_value(sktmp, i);
 718                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 719                         BIO_printf(err, "problem creating object %s=%s\n",
 720                                                          cnf->name, cnf->value);
 721                         return 0;
 722                 }
 723         }
 724         return 1;
 725 }
 726
 727 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 728                 pem_password_cb *pem_cb,  void *cb_data,
 729                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 730         {
 731         const char *pass;
 732         char tpass[PEM_BUFSIZE];
 733         int len, ret = 0;
 734         PKCS12 *p12;
 735         p12 = d2i_PKCS12_bio(in, NULL);
 736         if (p12 == NULL)
 737                 {
 738                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 739                 goto die;
 740                 }
 741         /* See if an empty password will do */
 742         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 743                 pass = "";
 744         else
 745                 {
 746                 if (!pem_cb)
 747                         pem_cb = (pem_password_cb *)password_callback;
 748                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 749                 if (len < 0)
 750                         {
 751                         BIO_printf(err, "Passpharse callback error for %s\n",
 752                                         desc);
 753                         goto die;
 754                         }
 755                 if (len < PEM_BUFSIZE)
 756                         tpass[len] = 0;
 757                 if (!PKCS12_verify_mac(p12, tpass, len))
 758                         {
 759                         BIO_printf(err,
 760         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 761                         goto die;
 762                         }
 763                 pass = tpass;
 764                 }
 765         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 766         die:
 767         if (p12)
 768                 PKCS12_free(p12);
 769         return ret;
 770         }
 771
 772 X509 *load_cert(BIO *err, const char *file, int format,
 773         const char *pass, ENGINE *e, const char *cert_descrip)
 774         {
 775         X509 *x=NULL;
 776         BIO *cert;
 777
 778         if ((cert=BIO_new(BIO_s_file())) == NULL)
 779                 {
 780                 ERR_print_errors(err);
 781                 goto end;
 782                 }
 783
 784         if (file == NULL)
 785                 {
 786 #ifdef _IONBF
 787                 setvbuf(stdin, NULL, _IONBF, 0);
 788 #endif
 789                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 790                 }
 791         else
 792                 {
 793                 if (BIO_read_filename(cert,file) <= 0)
 794                         {
 795                         BIO_printf(err, "Error opening %s %s\n",
 796                                 cert_descrip, file);
 797                         ERR_print_errors(err);
 798                         goto end;
 799                         }
 800                 }
 801
 802         if      (format == FORMAT_ASN1)
 803                 x=d2i_X509_bio(cert,NULL);
 804         else if (format == FORMAT_NETSCAPE)
 805                 {
 806                 NETSCAPE_X509 *nx;
 807                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
 808                 if (nx == NULL)
 809                                 goto end;
 810
 811                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
 812                         nx->header->length) != 0))
 813                         {
 814                         NETSCAPE_X509_free(nx);
 815                         BIO_printf(err,"Error reading header on certificate\n");
 816                         goto end;
 817                         }
 818                 x=nx->cert;
 819                 nx->cert = NULL;
 820                 NETSCAPE_X509_free(nx);
 821                 }
 822         else if (format == FORMAT_PEM)
 823                 x=PEM_read_bio_X509_AUX(cert,NULL,
 824                         (pem_password_cb *)password_callback, NULL);
 825         else if (format == FORMAT_PKCS12)
 826                 {
 827                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 828                                         NULL, &x, NULL))
 829                         goto end;
 830                 }
 831         else    {
 832                 BIO_printf(err,"bad input format specified for %s\n",
 833                         cert_descrip);
 834                 goto end;
 835                 }
 836 end:
 837         if (x == NULL)
 838                 {
 839                 BIO_printf(err,"unable to load certificate\n");
 840                 ERR_print_errors(err);
 841                 }
 842         if (cert != NULL) BIO_free(cert);
 843         return(x);
 844         }
 845
 846 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 847         const char *pass, ENGINE *e, const char *key_descrip)
 848         {
 849         BIO *key=NULL;
 850         EVP_PKEY *pkey=NULL;
 851         PW_CB_DATA cb_data;
 852
 853         cb_data.password = pass;
 854         cb_data.prompt_info = file;
 855
 856         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 857                 {
 858                 BIO_printf(err,"no keyfile specified\n");
 859                 goto end;
 860                 }
 861 #ifndef OPENSSL_NO_ENGINE
 862         if (format == FORMAT_ENGINE)
 863                 {
 864                 if (!e)
 865                         BIO_printf(bio_err,"no engine specified\n");
 866                 else
 867                         pkey = ENGINE_load_private_key(e, file,
 868                                 ui_method, &cb_data);
 869                 goto end;
 870                 }
 871 #endif
 872         key=BIO_new(BIO_s_file());
 873         if (key == NULL)
 874                 {
 875                 ERR_print_errors(err);
 876                 goto end;
 877                 }
 878         if (file == NULL && maybe_stdin)
 879                 {
 880 #ifdef _IONBF
 881                 setvbuf(stdin, NULL, _IONBF, 0);
 882 #endif
 883                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 884                 }
 885         else
 886                 if (BIO_read_filename(key,file) <= 0)
 887                         {
 888                         BIO_printf(err, "Error opening %s %s\n",
 889                                 key_descrip, file);
 890                         ERR_print_errors(err);
 891                         goto end;
 892                         }
 893         if (format == FORMAT_ASN1)
 894                 {
 895                 pkey=d2i_PrivateKey_bio(key, NULL);
 896                 }
 897         else if (format == FORMAT_PEM)
 898                 {
 899                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 900                         (pem_password_cb *)password_callback, &cb_data);
 901                 }
 902 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 903         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 904                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 905 #endif
 906         else if (format == FORMAT_PKCS12)
 907                 {
 908                 if (!load_pkcs12(err, key, key_descrip,
 909                                 (pem_password_cb *)password_callback, &cb_data,
 910                                 &pkey, NULL, NULL))
 911                         goto end;
 912                 }
 913         else if (format == FORMAT_MSBLOB)
 914                 pkey = b2i_PrivateKey_bio(key);
 915         else if (format == FORMAT_PVK)
 916                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
 917                                                                 &cb_data);
 918         else
 919                 {
 920                 BIO_printf(err,"bad input format specified for key file\n");
 921                 goto end;
 922                 }
 923  end:
 924         if (key != NULL) BIO_free(key);
 925         if (pkey == NULL)
 926                 BIO_printf(err,"unable to load %s\n", key_descrip);
 927         return(pkey);
 928         }
 929
 930 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 931         const char *pass, ENGINE *e, const char *key_descrip)
 932         {
 933         BIO *key=NULL;
 934         EVP_PKEY *pkey=NULL;
 935         PW_CB_DATA cb_data;
 936
 937         cb_data.password = pass;
 938         cb_data.prompt_info = file;
 939
 940         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 941                 {
 942                 BIO_printf(err,"no keyfile specified\n");
 943                 goto end;
 944                 }
 945 #ifndef OPENSSL_NO_ENGINE
 946         if (format == FORMAT_ENGINE)
 947                 {
 948                 if (!e)
 949                         BIO_printf(bio_err,"no engine specified\n");
 950                 else
 951                         pkey = ENGINE_load_public_key(e, file,
 952                                 ui_method, &cb_data);
 953                 goto end;
 954                 }
 955 #endif
 956         key=BIO_new(BIO_s_file());
 957         if (key == NULL)
 958                 {
 959                 ERR_print_errors(err);
 960                 goto end;
 961                 }
 962         if (file == NULL && maybe_stdin)
 963                 {
 964 #ifdef _IONBF
 965                 setvbuf(stdin, NULL, _IONBF, 0);
 966 #endif
 967                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 968                 }
 969         else
 970                 if (BIO_read_filename(key,file) <= 0)
 971                         {
 972                         BIO_printf(err, "Error opening %s %s\n",
 973                                 key_descrip, file);
 974                         ERR_print_errors(err);
 975                         goto end;
 976                 }
 977         if (format == FORMAT_ASN1)
 978                 {
 979                 pkey=d2i_PUBKEY_bio(key, NULL);
 980                 }
 981         else if (format == FORMAT_ASN1RSA)
 982                 {
 983                 RSA *rsa;
 984                 rsa = d2i_RSAPublicKey_bio(key, NULL);
 985                 if (rsa)
 986                         {
 987                         pkey = EVP_PKEY_new();
 988                         if (pkey)
 989                                 EVP_PKEY_set1_RSA(pkey, rsa);
 990                         RSA_free(rsa);
 991                         }
 992                 else
 993                         pkey = NULL;
 994                 }
 995         else if (format == FORMAT_PEMRSA)
 996                 {
 997                 RSA *rsa;
 998                 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
 999                         (pem_password_cb *)password_callback, &cb_data);
1000                 if (rsa)
1001                         {
1002                         pkey = EVP_PKEY_new();
1003                         if (pkey)
1004                                 EVP_PKEY_set1_RSA(pkey, rsa);
1005                         RSA_free(rsa);
1006                         }
1007                 else
1008                         pkey = NULL;
1009                 }
1010
1011         else if (format == FORMAT_PEM)
1012                 {
1013                 pkey=PEM_read_bio_PUBKEY(key,NULL,
1014                         (pem_password_cb *)password_callback, &cb_data);
1015                 }
1016 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1017         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1018                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1019 #endif
1020         else if (format == FORMAT_MSBLOB)
1021                 pkey = b2i_PublicKey_bio(key);
1022         else
1023                 {
1024                 BIO_printf(err,"bad input format specified for key file\n");
1025                 goto end;
1026                 }
1027  end:
1028         if (key != NULL) BIO_free(key);
1029         if (pkey == NULL)
1030                 BIO_printf(err,"unable to load %s\n", key_descrip);
1031         return(pkey);
1032         }
1033
1034 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1035 static EVP_PKEY *
1036 load_netscape_key(BIO *err, BIO *key, const char *file,
1037                 const char *key_descrip, int format)
1038         {
1039         EVP_PKEY *pkey;
1040         BUF_MEM *buf;
1041         RSA     *rsa;
1042         const unsigned char *p;
1043         int size, i;
1044
1045         buf=BUF_MEM_new();
1046         pkey = EVP_PKEY_new();
1047         size = 0;
1048         if (buf == NULL || pkey == NULL)
1049                 goto error;
1050         for (;;)
1051                 {
1052                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1053                         goto error;
1054                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1055                 size += i;
1056                 if (i == 0)
1057                         break;
1058                 if (i < 0)
1059                         {
1060                                 BIO_printf(err, "Error reading %s %s",
1061                                         key_descrip, file);
1062                                 goto error;
1063                         }
1064                 }
1065         p=(unsigned char *)buf->data;
1066         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1067                 (format == FORMAT_IISSGC ? 1 : 0));
1068         if (rsa == NULL)
1069                 goto error;
1070         BUF_MEM_free(buf);
1071         EVP_PKEY_set1_RSA(pkey, rsa);
1072         return pkey;
1073 error:
1074         BUF_MEM_free(buf);
1075         EVP_PKEY_free(pkey);
1076         return NULL;
1077         }
1078 #endif /* ndef OPENSSL_NO_RC4 */
1079
1080 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1081         const char *pass, ENGINE *e, const char *cert_descrip)
1082         {
1083         BIO *certs;
1084         int i;
1085         STACK_OF(X509) *othercerts = NULL;
1086         STACK_OF(X509_INFO) *allcerts = NULL;
1087         X509_INFO *xi;
1088         PW_CB_DATA cb_data;
1089
1090         cb_data.password = pass;
1091         cb_data.prompt_info = file;
1092
1093         if((certs = BIO_new(BIO_s_file())) == NULL)
1094                 {
1095                 ERR_print_errors(err);
1096                 goto end;
1097                 }
1098
1099         if (file == NULL)
1100                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1101         else
1102                 {
1103                 if (BIO_read_filename(certs,file) <= 0)
1104                         {
1105                         BIO_printf(err, "Error opening %s %s\n",
1106                                 cert_descrip, file);
1107                         ERR_print_errors(err);
1108                         goto end;
1109                         }
1110                 }
1111
1112         if      (format == FORMAT_PEM)
1113                 {
1114                 othercerts = sk_X509_new_null();
1115                 if(!othercerts)
1116                         {
1117                         sk_X509_free(othercerts);
1118                         othercerts = NULL;
1119                         goto end;
1120                         }
1121                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1122                                 (pem_password_cb *)password_callback, &cb_data);
1123                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1124                         {
1125                         xi = sk_X509_INFO_value (allcerts, i);
1126                         if (xi->x509)
1127                                 {
1128                                 sk_X509_push(othercerts, xi->x509);
1129                                 xi->x509 = NULL;
1130                                 }
1131                         }
1132                 goto end;
1133                 }
1134         else    {
1135                 BIO_printf(err,"bad input format specified for %s\n",
1136                         cert_descrip);
1137                 goto end;
1138                 }
1139 end:
1140         if (othercerts == NULL)
1141                 {
1142                 BIO_printf(err,"unable to load certificates\n");
1143                 ERR_print_errors(err);
1144                 }
1145         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1146         if (certs != NULL) BIO_free(certs);
1147         return(othercerts);
1148         }
1149
1150
1151 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1152 /* Return error for unknown extensions */
1153 #define X509V3_EXT_DEFAULT              0
1154 /* Print error for unknown extensions */
1155 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1156 /* ASN1 parse unknown extensions */
1157 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1158 /* BIO_dump unknown extensions */
1159 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1160
1161 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1162                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1163
1164 int set_cert_ex(unsigned long *flags, const char *arg)
1165 {
1166         static const NAME_EX_TBL cert_tbl[] = {
1167                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1168                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1169                 { "no_header", X509_FLAG_NO_HEADER, 0},
1170                 { "no_version", X509_FLAG_NO_VERSION, 0},
1171                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1172                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1173                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1174                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1175                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1176                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1177                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1178                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1179                 { "no_aux", X509_FLAG_NO_AUX, 0},
1180                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1181                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1182                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1183                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1184                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1185                 { NULL, 0, 0}
1186         };
1187         return set_multi_opts(flags, arg, cert_tbl);
1188 }
1189
1190 int set_name_ex(unsigned long *flags, const char *arg)
1191 {
1192         static const NAME_EX_TBL ex_tbl[] = {
1193                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1194                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1195                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1196                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1197                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1198                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1199                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1200                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1201                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1202                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1203                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1204                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1205                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1206                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1207                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1208                 { "dn_rev", XN_FLAG_DN_REV, 0},
1209                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1210                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1211                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1212                 { "align", XN_FLAG_FN_ALIGN, 0},
1213                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1214                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1215                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1216                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1217                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1218                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1219                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1220                 { NULL, 0, 0}
1221         };
1222         return set_multi_opts(flags, arg, ex_tbl);
1223 }
1224
1225 int set_ext_copy(int *copy_type, const char *arg)
1226 {
1227         if (!strcasecmp(arg, "none"))
1228                 *copy_type = EXT_COPY_NONE;
1229         else if (!strcasecmp(arg, "copy"))
1230                 *copy_type = EXT_COPY_ADD;
1231         else if (!strcasecmp(arg, "copyall"))
1232                 *copy_type = EXT_COPY_ALL;
1233         else
1234                 return 0;
1235         return 1;
1236 }
1237
1238 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1239 {
1240         STACK_OF(X509_EXTENSION) *exts = NULL;
1241         X509_EXTENSION *ext, *tmpext;
1242         ASN1_OBJECT *obj;
1243         int i, idx, ret = 0;
1244         if (!x || !req || (copy_type == EXT_COPY_NONE))
1245                 return 1;
1246         exts = X509_REQ_get_extensions(req);
1247
1248         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1249                 ext = sk_X509_EXTENSION_value(exts, i);
1250                 obj = X509_EXTENSION_get_object(ext);
1251                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1252                 /* Does extension exist? */
1253                 if (idx != -1) {
1254                         /* If normal copy don't override existing extension */
1255                         if (copy_type == EXT_COPY_ADD)
1256                                 continue;
1257                         /* Delete all extensions of same type */
1258                         do {
1259                                 tmpext = X509_get_ext(x, idx);
1260                                 X509_delete_ext(x, idx);
1261                                 X509_EXTENSION_free(tmpext);
1262                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1263                         } while (idx != -1);
1264                 }
1265                 if (!X509_add_ext(x, ext, -1))
1266                         goto end;
1267         }
1268
1269         ret = 1;
1270
1271         end:
1272
1273         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1274
1275         return ret;
1276 }
1277
1278
1279
1280
1281 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1282 {
1283         STACK_OF(CONF_VALUE) *vals;
1284         CONF_VALUE *val;
1285         int i, ret = 1;
1286         if(!arg) return 0;
1287         vals = X509V3_parse_list(arg);
1288         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1289                 val = sk_CONF_VALUE_value(vals, i);
1290                 if (!set_table_opts(flags, val->name, in_tbl))
1291                         ret = 0;
1292         }
1293         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1294         return ret;
1295 }
1296
1297 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1298 {
1299         char c;
1300         const NAME_EX_TBL *ptbl;
1301         c = arg[0];
1302
1303         if(c == '-') {
1304                 c = 0;
1305                 arg++;
1306         } else if (c == '+') {
1307                 c = 1;
1308                 arg++;
1309         } else c = 1;
1310
1311         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1312                 if(!strcasecmp(arg, ptbl->name)) {
1313                         *flags &= ~ptbl->mask;
1314                         if(c) *flags |= ptbl->flag;
1315                         else *flags &= ~ptbl->flag;
1316                         return 1;
1317                 }
1318         }
1319         return 0;
1320 }
1321
1322 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1323 {
1324         char *buf;
1325         char mline = 0;
1326         int indent = 0;
1327
1328         if(title) BIO_puts(out, title);
1329         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1330                 mline = 1;
1331                 indent = 4;
1332         }
1333         if(lflags == XN_FLAG_COMPAT) {
1334                 buf = X509_NAME_oneline(nm, 0, 0);
1335                 BIO_puts(out, buf);
1336                 BIO_puts(out, "\n");
1337                 OPENSSL_free(buf);
1338         } else {
1339                 if(mline) BIO_puts(out, "\n");
1340                 X509_NAME_print_ex(out, nm, indent, lflags);
1341                 BIO_puts(out, "\n");
1342         }
1343 }
1344
1345 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1346 {
1347         X509_STORE *store;
1348         X509_LOOKUP *lookup;
1349         if(!(store = X509_STORE_new())) goto end;
1350         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1351         if (lookup == NULL) goto end;
1352         if (CAfile) {
1353                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1354                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1355                         goto end;
1356                 }
1357         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1358
1359         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1360         if (lookup == NULL) goto end;
1361         if (CApath) {
1362                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1363                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1364                         goto end;
1365                 }
1366         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1367
1368         ERR_clear_error();
1369         return store;
1370         end:
1371         X509_STORE_free(store);
1372         return NULL;
1373 }
1374
1375 #ifndef OPENSSL_NO_ENGINE
1376 /* Try to load an engine in a shareable library */
1377 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1378         {
1379         ENGINE *e = ENGINE_by_id("dynamic");
1380         if (e)
1381                 {
1382                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1383                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1384                         {
1385                         ENGINE_free(e);
1386                         e = NULL;
1387                         }
1388                 }
1389         return e;
1390         }
1391
1392 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1393         {
1394         ENGINE *e = NULL;
1395
1396         if (engine)
1397                 {
1398                 if(strcmp(engine, "auto") == 0)
1399                         {
1400                         BIO_printf(err,"enabling auto ENGINE support\n");
1401                         ENGINE_register_all_complete();
1402                         return NULL;
1403                         }
1404                 if((e = ENGINE_by_id(engine)) == NULL
1405                         && (e = try_load_engine(err, engine, debug)) == NULL)
1406                         {
1407                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1408                         ERR_print_errors(err);
1409                         return NULL;
1410                         }
1411                 if (debug)
1412                         {
1413                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1414                                 0, err, 0);
1415                         }
1416                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1417                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1418                         {
1419                         BIO_printf(err,"can't use that engine\n");
1420                         ERR_print_errors(err);
1421                         ENGINE_free(e);
1422                         return NULL;
1423                         }
1424
1425                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1426
1427                 /* Free our "structural" reference. */
1428                 ENGINE_free(e);
1429                 }
1430         return e;
1431         }
1432 #endif
1433
1434 int load_config(BIO *err, CONF *cnf)
1435         {
1436         if (!cnf)
1437                 cnf = config;
1438         if (!cnf)
1439                 return 1;
1440
1441         OPENSSL_load_builtin_modules();
1442
1443         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1444                 {
1445                 BIO_printf(err, "Error configuring OpenSSL\n");
1446                 ERR_print_errors(err);
1447                 return 0;
1448                 }
1449         return 1;
1450         }
1451
1452 char *make_config_name()
1453         {
1454         const char *t=X509_get_default_cert_area();
1455         size_t len;
1456         char *p;
1457
1458         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1459         p=OPENSSL_malloc(len);
1460         BUF_strlcpy(p,t,len);
1461 #ifndef OPENSSL_SYS_VMS
1462         BUF_strlcat(p,"/",len);
1463 #endif
1464         BUF_strlcat(p,OPENSSL_CONF,len);
1465
1466         return p;
1467         }
1468
1469 static unsigned long index_serial_hash(const char **a)
1470         {
1471         const char *n;
1472
1473         n=a[DB_serial];
1474         while (*n == '0') n++;
1475         return(lh_strhash(n));
1476         }
1477
1478 static int index_serial_cmp(const char **a, const char **b)
1479         {
1480         const char *aa,*bb;
1481
1482         for (aa=a[DB_serial]; *aa == '0'; aa++);
1483         for (bb=b[DB_serial]; *bb == '0'; bb++);
1484         return(strcmp(aa,bb));
1485         }
1486
1487 static int index_name_qual(char **a)
1488         { return(a[0][0] == 'V'); }
1489
1490 static unsigned long index_name_hash(const char **a)
1491         { return(lh_strhash(a[DB_name])); }
1492
1493 int index_name_cmp(const char **a, const char **b)
1494         { return(strcmp(a[DB_name],
1495              b[DB_name])); }
1496
1497 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1498 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1499 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1500 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1501
1502 #undef BSIZE
1503 #define BSIZE 256
1504
1505 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1506         {
1507         BIO *in=NULL;
1508         BIGNUM *ret=NULL;
1509         MS_STATIC char buf[1024];
1510         ASN1_INTEGER *ai=NULL;
1511
1512         ai=ASN1_INTEGER_new();
1513         if (ai == NULL) goto err;
1514
1515         if ((in=BIO_new(BIO_s_file())) == NULL)
1516                 {
1517                 ERR_print_errors(bio_err);
1518                 goto err;
1519                 }
1520
1521         if (BIO_read_filename(in,serialfile) <= 0)
1522                 {
1523                 if (!create)
1524                         {
1525                         perror(serialfile);
1526                         goto err;
1527                         }
1528                 else
1529                         {
1530                         ret=BN_new();
1531                         if (ret == NULL || !rand_serial(ret, ai))
1532                                 BIO_printf(bio_err, "Out of memory\n");
1533                         }
1534                 }
1535         else
1536                 {
1537                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1538                         {
1539                         BIO_printf(bio_err,"unable to load number from %s\n",
1540                                 serialfile);
1541                         goto err;
1542                         }
1543                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1544                 if (ret == NULL)
1545                         {
1546                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1547                         goto err;
1548                         }
1549                 }
1550
1551         if (ret && retai)
1552                 {
1553                 *retai = ai;
1554                 ai = NULL;
1555                 }
1556  err:
1557         if (in != NULL) BIO_free(in);
1558         if (ai != NULL) ASN1_INTEGER_free(ai);
1559         return(ret);
1560         }
1561
1562 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1563         {
1564         char buf[1][BSIZE];
1565         BIO *out = NULL;
1566         int ret=0;
1567         ASN1_INTEGER *ai=NULL;
1568         int j;
1569
1570         if (suffix == NULL)
1571                 j = strlen(serialfile);
1572         else
1573                 j = strlen(serialfile) + strlen(suffix) + 1;
1574         if (j >= BSIZE)
1575                 {
1576                 BIO_printf(bio_err,"file name too long\n");
1577                 goto err;
1578                 }
1579
1580         if (suffix == NULL)
1581                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1582         else
1583                 {
1584 #ifndef OPENSSL_SYS_VMS
1585                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1586 #else
1587                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1588 #endif
1589                 }
1590 #ifdef RL_DEBUG
1591         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1592 #endif
1593         out=BIO_new(BIO_s_file());
1594         if (out == NULL)
1595                 {
1596                 ERR_print_errors(bio_err);
1597                 goto err;
1598                 }
1599         if (BIO_write_filename(out,buf[0]) <= 0)
1600                 {
1601                 perror(serialfile);
1602                 goto err;
1603                 }
1604
1605         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1606                 {
1607                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1608                 goto err;
1609                 }
1610         i2a_ASN1_INTEGER(out,ai);
1611         BIO_puts(out,"\n");
1612         ret=1;
1613         if (retai)
1614                 {
1615                 *retai = ai;
1616                 ai = NULL;
1617                 }
1618 err:
1619         if (out != NULL) BIO_free_all(out);
1620         if (ai != NULL) ASN1_INTEGER_free(ai);
1621         return(ret);
1622         }
1623
1624 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1625         {
1626         char buf[5][BSIZE];
1627         int i,j;
1628
1629         i = strlen(serialfile) + strlen(old_suffix);
1630         j = strlen(serialfile) + strlen(new_suffix);
1631         if (i > j) j = i;
1632         if (j + 1 >= BSIZE)
1633                 {
1634                 BIO_printf(bio_err,"file name too long\n");
1635                 goto err;
1636                 }
1637
1638 #ifndef OPENSSL_SYS_VMS
1639         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1640                 serialfile, new_suffix);
1641 #else
1642         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1643                 serialfile, new_suffix);
1644 #endif
1645 #ifndef OPENSSL_SYS_VMS
1646         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1647                 serialfile, old_suffix);
1648 #else
1649         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1650                 serialfile, old_suffix);
1651 #endif
1652 #ifdef RL_DEBUG
1653         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1654                 serialfile, buf[1]);
1655 #endif
1656         if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1657 #ifdef ENOTDIR
1658                         && errno != ENOTDIR
1659 #endif
1660            )            {
1661                         BIO_printf(bio_err,
1662                                 "unable to rename %s to %s\n",
1663                                 serialfile, buf[1]);
1664                         perror("reason");
1665                         goto err;
1666                         }
1667 #ifdef RL_DEBUG
1668         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1669                 buf[0],serialfile);
1670 #endif
1671         if (rename(buf[0],serialfile) < 0)
1672                 {
1673                 BIO_printf(bio_err,
1674                         "unable to rename %s to %s\n",
1675                         buf[0],serialfile);
1676                 perror("reason");
1677                 rename(buf[1],serialfile);
1678                 goto err;
1679                 }
1680         return 1;
1681  err:
1682         return 0;
1683         }
1684
1685 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1686         {
1687         BIGNUM *btmp;
1688         int ret = 0;
1689         if (b)
1690                 btmp = b;
1691         else
1692                 btmp = BN_new();
1693
1694         if (!btmp)
1695                 return 0;
1696
1697         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1698                 goto error;
1699         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1700                 goto error;
1701
1702         ret = 1;
1703
1704         error:
1705
1706         if (!b)
1707                 BN_free(btmp);
1708
1709         return ret;
1710         }
1711
1712 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1713         {
1714         CA_DB *retdb = NULL;
1715         TXT_DB *tmpdb = NULL;
1716         BIO *in = BIO_new(BIO_s_file());
1717         CONF *dbattr_conf = NULL;
1718         char buf[1][BSIZE];
1719         long errorline= -1;
1720
1721         if (in == NULL)
1722                 {
1723                 ERR_print_errors(bio_err);
1724                 goto err;
1725                 }
1726         if (BIO_read_filename(in,dbfile) <= 0)
1727                 {
1728                 perror(dbfile);
1729                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1730                 goto err;
1731                 }
1732         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1733                 {
1734                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1735                 goto err;
1736                 }
1737
1738 #ifndef OPENSSL_SYS_VMS
1739         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1740 #else
1741         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1742 #endif
1743         dbattr_conf = NCONF_new(NULL);
1744         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1745                 {
1746                 if (errorline > 0)
1747                         {
1748                         BIO_printf(bio_err,
1749                                 "error on line %ld of db attribute file '%s'\n"
1750                                 ,errorline,buf[0]);
1751                         goto err;
1752                         }
1753                 else
1754                         {
1755                         NCONF_free(dbattr_conf);
1756                         dbattr_conf = NULL;
1757                         }
1758                 }
1759
1760         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1761                 {
1762                 fprintf(stderr, "Out of memory\n");
1763                 goto err;
1764                 }
1765
1766         retdb->db = tmpdb;
1767         tmpdb = NULL;
1768         if (db_attr)
1769                 retdb->attributes = *db_attr;
1770         else
1771                 {
1772                 retdb->attributes.unique_subject = 1;
1773                 }
1774
1775         if (dbattr_conf)
1776                 {
1777                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1778                 if (p)
1779                         {
1780 #ifdef RL_DEBUG
1781                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1782 #endif
1783                         retdb->attributes.unique_subject = parse_yesno(p,1);
1784                         }
1785                 }
1786
1787  err:
1788         if (dbattr_conf) NCONF_free(dbattr_conf);
1789         if (tmpdb) TXT_DB_free(tmpdb);
1790         if (in) BIO_free_all(in);
1791         return retdb;
1792         }
1793
1794 int index_index(CA_DB *db)
1795         {
1796         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1797                                 LHASH_HASH_FN(index_serial_hash),
1798                                 LHASH_COMP_FN(index_serial_cmp)))
1799                 {
1800                 BIO_printf(bio_err,
1801                   "error creating serial number index:(%ld,%ld,%ld)\n",
1802                                         db->db->error,db->db->arg1,db->db->arg2);
1803                         return 0;
1804                 }
1805
1806         if (db->attributes.unique_subject
1807                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1808                         LHASH_HASH_FN(index_name_hash),
1809                         LHASH_COMP_FN(index_name_cmp)))
1810                 {
1811                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1812                         db->db->error,db->db->arg1,db->db->arg2);
1813                 return 0;
1814                 }
1815         return 1;
1816         }
1817
1818 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1819         {
1820         char buf[3][BSIZE];
1821         BIO *out = BIO_new(BIO_s_file());
1822         int j;
1823
1824         if (out == NULL)
1825                 {
1826                 ERR_print_errors(bio_err);
1827                 goto err;
1828                 }
1829
1830         j = strlen(dbfile) + strlen(suffix);
1831         if (j + 6 >= BSIZE)
1832                 {
1833                 BIO_printf(bio_err,"file name too long\n");
1834                 goto err;
1835                 }
1836
1837 #ifndef OPENSSL_SYS_VMS
1838         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1839 #else
1840         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1841 #endif
1842 #ifndef OPENSSL_SYS_VMS
1843         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1844 #else
1845         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1846 #endif
1847 #ifndef OPENSSL_SYS_VMS
1848         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1849 #else
1850         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1851 #endif
1852 #ifdef RL_DEBUG
1853         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1854 #endif
1855         if (BIO_write_filename(out,buf[0]) <= 0)
1856                 {
1857                 perror(dbfile);
1858                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1859                 goto err;
1860                 }
1861         j=TXT_DB_write(out,db->db);
1862         if (j <= 0) goto err;
1863
1864         BIO_free(out);
1865
1866         out = BIO_new(BIO_s_file());
1867 #ifdef RL_DEBUG
1868         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1869 #endif
1870         if (BIO_write_filename(out,buf[1]) <= 0)
1871                 {
1872                 perror(buf[2]);
1873                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1874                 goto err;
1875                 }
1876         BIO_printf(out,"unique_subject = %s\n",
1877                 db->attributes.unique_subject ? "yes" : "no");
1878         BIO_free(out);
1879
1880         return 1;
1881  err:
1882         return 0;
1883         }
1884
1885 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1886         {
1887         char buf[5][BSIZE];
1888         int i,j;
1889
1890         i = strlen(dbfile) + strlen(old_suffix);
1891         j = strlen(dbfile) + strlen(new_suffix);
1892         if (i > j) j = i;
1893         if (j + 6 >= BSIZE)
1894                 {
1895                 BIO_printf(bio_err,"file name too long\n");
1896                 goto err;
1897                 }
1898
1899 #ifndef OPENSSL_SYS_VMS
1900         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1901 #else
1902         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1903 #endif
1904 #ifndef OPENSSL_SYS_VMS
1905         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1906                 dbfile, new_suffix);
1907 #else
1908         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1909                 dbfile, new_suffix);
1910 #endif
1911 #ifndef OPENSSL_SYS_VMS
1912         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1913                 dbfile, new_suffix);
1914 #else
1915         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1916                 dbfile, new_suffix);
1917 #endif
1918 #ifndef OPENSSL_SYS_VMS
1919         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1920                 dbfile, old_suffix);
1921 #else
1922         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1923                 dbfile, old_suffix);
1924 #endif
1925 #ifndef OPENSSL_SYS_VMS
1926         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1927                 dbfile, old_suffix);
1928 #else
1929         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1930                 dbfile, old_suffix);
1931 #endif
1932 #ifdef RL_DEBUG
1933         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1934                 dbfile, buf[1]);
1935 #endif
1936         if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
1937 #ifdef ENOTDIR
1938                 && errno != ENOTDIR
1939 #endif
1940            )            {
1941                         BIO_printf(bio_err,
1942                                 "unable to rename %s to %s\n",
1943                                 dbfile, buf[1]);
1944                         perror("reason");
1945                         goto err;
1946                         }
1947 #ifdef RL_DEBUG
1948         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1949                 buf[0],dbfile);
1950 #endif
1951         if (rename(buf[0],dbfile) < 0)
1952                 {
1953                 BIO_printf(bio_err,
1954                         "unable to rename %s to %s\n",
1955                         buf[0],dbfile);
1956                 perror("reason");
1957                 rename(buf[1],dbfile);
1958                 goto err;
1959                 }
1960 #ifdef RL_DEBUG
1961         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1962                 buf[4],buf[3]);
1963 #endif
1964         if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
1965 #ifdef ENOTDIR
1966                 && errno != ENOTDIR
1967 #endif
1968            )            {
1969                         BIO_printf(bio_err,
1970                                 "unable to rename %s to %s\n",
1971                                 buf[4], buf[3]);
1972                         perror("reason");
1973                         rename(dbfile,buf[0]);
1974                         rename(buf[1],dbfile);
1975                         goto err;
1976                         }
1977 #ifdef RL_DEBUG
1978         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1979                 buf[2],buf[4]);
1980 #endif
1981         if (rename(buf[2],buf[4]) < 0)
1982                 {
1983                 BIO_printf(bio_err,
1984                         "unable to rename %s to %s\n",
1985                         buf[2],buf[4]);
1986                 perror("reason");
1987                 rename(buf[3],buf[4]);
1988                 rename(dbfile,buf[0]);
1989                 rename(buf[1],dbfile);
1990                 goto err;
1991                 }
1992         return 1;
1993  err:
1994         return 0;
1995         }
1996
1997 void free_index(CA_DB *db)
1998         {
1999         if (db)
2000                 {
2001                 if (db->db) TXT_DB_free(db->db);
2002                 OPENSSL_free(db);
2003                 }
2004         }
2005
2006 int parse_yesno(const char *str, int def)
2007         {
2008         int ret = def;
2009         if (str)
2010                 {
2011                 switch (*str)
2012                         {
2013                 case 'f': /* false */
2014                 case 'F': /* FALSE */
2015                 case 'n': /* no */
2016                 case 'N': /* NO */
2017                 case '0': /* 0 */
2018                         ret = 0;
2019                         break;
2020                 case 't': /* true */
2021                 case 'T': /* TRUE */
2022                 case 'y': /* yes */
2023                 case 'Y': /* YES */
2024                 case '1': /* 1 */
2025                         ret = 0;
2026                         break;
2027                 default:
2028                         ret = def;
2029                         break;
2030                         }
2031                 }
2032         return ret;
2033         }
2034
2035 /*
2036  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2037  * where characters may be escaped by \
2038  */
2039 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2040         {
2041         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2042         char *buf = OPENSSL_malloc(buflen);
2043         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2044         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2045         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2046         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2047
2048         char *sp = subject, *bp = buf;
2049         int i, ne_num = 0;
2050
2051         X509_NAME *n = NULL;
2052         int nid;
2053
2054         if (!buf || !ne_types || !ne_values)
2055                 {
2056                 BIO_printf(bio_err, "malloc error\n");
2057                 goto error;
2058                 }
2059
2060         if (*subject != '/')
2061                 {
2062                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2063                 goto error;
2064                 }
2065         sp++; /* skip leading / */
2066
2067         /* no multivalued RDN by default */
2068         mval[ne_num] = 0;
2069
2070         while (*sp)
2071                 {
2072                 /* collect type */
2073                 ne_types[ne_num] = bp;
2074                 while (*sp)
2075                         {
2076                         if (*sp == '\\') /* is there anything to escape in the type...? */
2077                                 {
2078                                 if (*++sp)
2079                                         *bp++ = *sp++;
2080                                 else
2081                                         {
2082                                         BIO_printf(bio_err, "escape character at end of string\n");
2083                                         goto error;
2084                                         }
2085                                 }
2086                         else if (*sp == '=')
2087                                 {
2088                                 sp++;
2089                                 *bp++ = '\0';
2090                                 break;
2091                                 }
2092                         else
2093                                 *bp++ = *sp++;
2094                         }
2095                 if (!*sp)
2096                         {
2097                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2098                         goto error;
2099                         }
2100                 ne_values[ne_num] = bp;
2101                 while (*sp)
2102                         {
2103                         if (*sp == '\\')
2104                                 {
2105                                 if (*++sp)
2106                                         *bp++ = *sp++;
2107                                 else
2108                                         {
2109                                         BIO_printf(bio_err, "escape character at end of string\n");
2110                                         goto error;
2111                                         }
2112                                 }
2113                         else if (*sp == '/')
2114                                 {
2115                                 sp++;
2116                                 /* no multivalued RDN by default */
2117                                 mval[ne_num+1] = 0;
2118                                 break;
2119                                 }
2120                         else if (*sp == '+' && multirdn)
2121                                 {
2122                                 /* a not escaped + signals a mutlivalued RDN */
2123                                 sp++;
2124                                 mval[ne_num+1] = -1;
2125                                 break;
2126                                 }
2127                         else
2128                                 *bp++ = *sp++;
2129                         }
2130                 *bp++ = '\0';
2131                 ne_num++;
2132                 }
2133
2134         if (!(n = X509_NAME_new()))
2135                 goto error;
2136
2137         for (i = 0; i < ne_num; i++)
2138                 {
2139                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2140                         {
2141                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2142                         continue;
2143                         }
2144
2145                 if (!*ne_values[i])
2146                         {
2147                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2148                         continue;
2149                         }
2150
2151                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2152                         goto error;
2153                 }
2154
2155         OPENSSL_free(ne_values);
2156         OPENSSL_free(ne_types);
2157         OPENSSL_free(buf);
2158         return n;
2159
2160 error:
2161         X509_NAME_free(n);
2162         if (ne_values)
2163                 OPENSSL_free(ne_values);
2164         if (ne_types)
2165                 OPENSSL_free(ne_types);
2166         if (buf)
2167                 OPENSSL_free(buf);
2168         return NULL;
2169 }
2170
2171 int args_verify(char ***pargs, int *pargc,
2172                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2173         {
2174         ASN1_OBJECT *otmp = NULL;
2175         unsigned long flags = 0;
2176         int i;
2177         int purpose = 0;
2178         char **oldargs = *pargs;
2179         char *arg = **pargs, *argn = (*pargs)[1];
2180         if (!strcmp(arg, "-policy"))
2181                 {
2182                 if (!argn)
2183                         *badarg = 1;
2184                 else
2185                         {
2186                         otmp = OBJ_txt2obj(argn, 0);
2187                         if (!otmp)
2188                                 {
2189                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2190                                                                         argn);
2191                                 *badarg = 1;
2192                                 }
2193                         }
2194                 (*pargs)++;
2195                 }
2196         else if (strcmp(arg,"-purpose") == 0)
2197                 {
2198                 X509_PURPOSE *xptmp;
2199                 if (!argn)
2200                         *badarg = 1;
2201                 else
2202                         {
2203                         i = X509_PURPOSE_get_by_sname(argn);
2204                         if(i < 0)
2205                                 {
2206                                 BIO_printf(err, "unrecognized purpose\n");
2207                                 *badarg = 1;
2208                                 }
2209                         else
2210                                 {
2211                                 xptmp = X509_PURPOSE_get0(i);
2212                                 purpose = X509_PURPOSE_get_id(xptmp);
2213                                 }
2214                         }
2215                 (*pargs)++;
2216                 }
2217         else if (!strcmp(arg, "-ignore_critical"))
2218                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2219         else if (!strcmp(arg, "-issuer_checks"))
2220                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2221         else if (!strcmp(arg, "-crl_check"))
2222                 flags |=  X509_V_FLAG_CRL_CHECK;
2223         else if (!strcmp(arg, "-crl_check_all"))
2224                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2225         else if (!strcmp(arg, "-policy_check"))
2226                 flags |= X509_V_FLAG_POLICY_CHECK;
2227         else if (!strcmp(arg, "-explicit_policy"))
2228                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2229         else if (!strcmp(arg, "-x509_strict"))
2230                 flags |= X509_V_FLAG_X509_STRICT;
2231         else if (!strcmp(arg, "-policy_print"))
2232                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2233         else
2234                 return 0;
2235
2236         if (*badarg)
2237                 {
2238                 if (*pm)
2239                         X509_VERIFY_PARAM_free(*pm);
2240                 *pm = NULL;
2241                 goto end;
2242                 }
2243
2244         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2245                 {
2246                 *badarg = 1;
2247                 goto end;
2248                 }
2249
2250         if (otmp)
2251                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2252         if (flags)
2253                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2254
2255         if (purpose)
2256                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2257
2258         end:
2259
2260         (*pargs)++;
2261
2262         if (pargc)
2263                 *pargc -= *pargs - oldargs;
2264
2265         return 1;
2266
2267         }
2268
2269 static void nodes_print(BIO *out, const char *name,
2270         STACK_OF(X509_POLICY_NODE) *nodes)
2271         {
2272         X509_POLICY_NODE *node;
2273         int i;
2274         BIO_printf(out, "%s Policies:", name);
2275         if (nodes)
2276                 {
2277                 BIO_puts(out, "\n");
2278                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2279                         {
2280                         node = sk_X509_POLICY_NODE_value(nodes, i);
2281                         X509_POLICY_NODE_print(out, node, 2);
2282                         }
2283                 }
2284         else
2285                 BIO_puts(out, " <empty>\n");
2286         }
2287
2288 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2289         {
2290         X509_POLICY_TREE *tree;
2291         int explicit_policy;
2292         int free_out = 0;
2293         if (out == NULL)
2294                 {
2295                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2296                 free_out = 1;
2297                 }
2298         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2299         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2300
2301         BIO_printf(out, "Require explicit Policy: %s\n",
2302                                 explicit_policy ? "True" : "False");
2303
2304         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2305         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2306         if (free_out)
2307                 BIO_free(out);
2308         }
2309
2310 /*
2311  * Platform-specific sections
2312  */
2313 #if defined(_WIN32)
2314 # ifdef fileno
2315 #  undef fileno
2316 #  define fileno(a) (int)_fileno(a)
2317 # endif
2318
2319 # include <windows.h>
2320 # include <tchar.h>
2321
2322 static int WIN32_rename(const char *from, const char *to)
2323         {
2324         TCHAR  *tfrom=NULL,*tto;
2325         DWORD   err;
2326         int     ret=0;
2327
2328         if (sizeof(TCHAR) == 1)
2329                 {
2330                 tfrom = (TCHAR *)from;
2331                 tto   = (TCHAR *)to;
2332                 }
2333         else    /* UNICODE path */
2334                 {
2335                 size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
2336                 tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
2337                 if (tfrom==NULL) goto err;
2338                 tto=tfrom+flen;
2339 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2340                 if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
2341 #endif
2342                         for (i=0;i<flen;i++)    tfrom[i]=(TCHAR)from[i];
2343 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2344                 if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
2345 #endif
2346                         for (i=0;i<tlen;i++)    tto[i]  =(TCHAR)to[i];
2347                 }
2348
2349         if (MoveFile(tfrom,tto))        goto ok;
2350         err=GetLastError();
2351         if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
2352                 {
2353                 if (DeleteFile(tto) && MoveFile(tfrom,tto))
2354                         goto ok;
2355                 err=GetLastError();
2356                 }
2357         if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
2358                 errno = ENOENT;
2359         else if (err==ERROR_ACCESS_DENIED)
2360                 errno = EACCES;
2361         else
2362                 errno = EINVAL; /* we could map more codes... */
2363 err:
2364         ret=-1;
2365 ok:
2366         if (tfrom!=NULL && tfrom!=(TCHAR *)from)        free(tfrom);
2367         return ret;
2368         }
2369 #endif
2370
2371 /* app_tminterval section */
2372 #if defined(_WIN32)
2373 double app_tminterval(int stop,int usertime)
2374         {
2375         FILETIME                now;
2376         double                  ret=0;
2377         static ULARGE_INTEGER   tmstart;
2378         static int              warning=1;
2379 #ifdef _WIN32_WINNT
2380         static HANDLE           proc=NULL;
2381
2382         if (proc==NULL)
2383                 {
2384                 if (GetVersion() < 0x80000000)
2385                         proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
2386                                                 GetCurrentProcessId());
2387                 if (proc==NULL) proc = (HANDLE)-1;
2388                 }
2389
2390         if (usertime && proc!=(HANDLE)-1)
2391                 {
2392                 FILETIME junk;
2393                 GetProcessTimes(proc,&junk,&junk,&junk,&now);
2394                 }
2395         else
2396 #endif
2397                 {
2398                 if (usertime && warning)
2399                         {
2400                         BIO_printf(bio_err,"To get meaningful results, run "
2401                                            "this program on idle system.\n"
2402                         warning=1;
2403                         }
2404                 SYSTEMTIME systime;
2405                 GetSystemTime(&systime);
2406                 SystemTimeToFileTime(&systime,&now);
2407                 }
2408
2409         if (stop==TM_START)
2410                 {
2411                 tmstart.u.LowPart  = now.dwLowDateTime;
2412                 tmstart.u.HighPart = now.dwHighDateTime;
2413                 }
2414         else    {
2415                 ULARGE_INTEGER tmstop;
2416
2417                 tmstop.u.LowPart   = now.dwLowDateTime;
2418                 tmstop.u.HighPart  = now.dwHighDateTime;
2419
2420                 ret = (tmstop.QuadPart - tmstart.QuadPart)*1e-7;
2421                 }
2422
2423         return (ret);
2424         }
2425
2426 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
2427 #include <sys/times.h>
2428
2429 double app_tminterval(int stop,int usertime)
2430         {
2431         double          ret = 0;
2432         struct tms      rus;
2433         clock_t         now = times(&rus);
2434         static clock_t  tmstart;
2435
2436         if (usertime)           now = rus.tms_utime;
2437
2438         if (stop==TM_START)     tmstart = now;
2439         else                    ret = (now - tmstart)/(double)sysconf(_SC_CLK_TCK);
2440
2441         return (ret);
2442         }
2443
2444 #else
2445 #include <sys/time.h>
2446 #include <sys/resource.h>
2447
2448 double app_tminterval(int stop,int usertime)
2449         {
2450         double          ret = 0;
2451         struct rusage   rus;
2452         struct timeval  now;
2453         static struct timeval tmstart;
2454
2455         if (usertime)           getrusage(RUSAGE_SELF,&rus), now = rus.ru_time;
2456         else                    gettimeofday(&now,NULL);
2457
2458         if (stop==TM_START)     tmstart = now;
2459         else                    ret = ( (now.tv_sec+now.tv_usec*1e-6)
2460                                         - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
2461
2462         return ret;
2463         }
2464 #endif
2465
2466 /* app_isdir section */
2467 #ifdef _WIN32
2468 int app_isdir(const char *name)
2469         {
2470         HANDLE          hList;
2471         WIN32_FIND_DATA FileData;
2472 #if defined(UNICODE) || defined(_UNICODE)
2473         size_t i, len_0 = strlen(name)+1;
2474
2475         if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
2476                 return -1;
2477
2478 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2479         if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
2480 #endif
2481                 for (i=0;i<len_0;i++)
2482                         FileData.cFileName[i] = (WCHAR)name[i];
2483
2484         hList = FindFirstFile(FileData.cFileName,&FileData);
2485 #else
2486         hList = FindFirstFile(name,&FileData);
2487 #endif
2488         if (hList == INVALID_HANDLE_VALUE)      return -1;
2489         FindClose(hList);
2490         return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
2491         }
2492 #else
2493 #include <sys/stat.h>
2494 #ifndef S_ISDIR
2495 # if defined(_S_IFMT) && defined(_S_IFDIR)
2496 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
2497 # else
2498 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
2499 # endif
2500 #endif
2501
2502 int app_isdir(const char *name)
2503         {
2504 #if defined(S_ISDIR)
2505         struct stat st;
2506
2507         if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
2508         else                    return -1;
2509 #else
2510         return -1;
2511 #endif
2512         }
2513 #endif
2514
2515 /* raw_read|write section */
2516 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2517 int raw_read_stdin(void *buf,int siz)
2518         {
2519         DWORD n;
2520         if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
2521                 return (n);
2522         else    return (-1);
2523         }
2524 #else
2525 int raw_read_stdin(void *buf,int siz)
2526         {       return read(fileno(stdin),buf,siz);     }
2527 #endif
2528
2529 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2530 int raw_write_stdout(void *buf,int siz)
2531         {
2532         DWORD n;
2533         if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
2534                 return (n);
2535         else    return (-1);
2536         }
2537 #else
2538 int raw_write_stdout(const void *buf,int siz)
2539         {       return write(fileno(stdout),buf,siz);   }
2540 #endif