apps/apps.c

   1 /* apps/apps.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111
 112 #include <stdio.h>
 113 #include <stdlib.h>
 114 #include <string.h>
 115 #include <sys/types.h>
 116 #include <sys/stat.h>
 117 #include <openssl/err.h>
 118 #include <openssl/x509.h>
 119 #include <openssl/x509v3.h>
 120 #include <openssl/pem.h>
 121 #include <openssl/pkcs12.h>
 122 #include <openssl/ui.h>
 123 #include <openssl/safestack.h>
 124 #include <openssl/engine.h>
 125
 126 #ifdef OPENSSL_SYS_WINDOWS
 127 #define strcasecmp _stricmp
 128 #else
 129 #  ifdef NO_STRINGS_H
 130     int strcasecmp();
 131 #  else
 132 #    include <strings.h>
 133 #  endif /* NO_STRINGS_H */
 134 #endif
 135
 136 #define NON_MAIN
 137 #include "apps.h"
 138 #undef NON_MAIN
 139
 140 #ifdef OPENSSL_SYS_WINDOWS
 141 #  include "bss_file.c"
 142 #endif
 143
 144 typedef struct {
 145         char *name;
 146         unsigned long flag;
 147         unsigned long mask;
 148 } NAME_EX_TBL;
 149
 150 static UI_METHOD *ui_method = NULL;
 151
 152 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 153 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 154
 155 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 156 /* Looks like this stuff is worth moving into separate function */
 157 static EVP_PKEY *
 158 load_netscape_key(BIO *err, BIO *key, const char *file,
 159                 const char *key_descrip, int format);
 160 #endif
 161
 162 int app_init(long mesgwin);
 163 #ifdef undef /* never finished - probably never will be :-) */
 164 int args_from_file(char *file, int *argc, char **argv[])
 165         {
 166         FILE *fp;
 167         int num,i;
 168         unsigned int len;
 169         static char *buf=NULL;
 170         static char **arg=NULL;
 171         char *p;
 172         struct stat stbuf;
 173
 174         if (stat(file,&stbuf) < 0) return(0);
 175
 176         fp=fopen(file,"r");
 177         if (fp == NULL)
 178                 return(0);
 179
 180         *argc=0;
 181         *argv=NULL;
 182
 183         len=(unsigned int)stbuf.st_size;
 184         if (buf != NULL) OPENSSL_free(buf);
 185         buf=(char *)OPENSSL_malloc(len+1);
 186         if (buf == NULL) return(0);
 187
 188         len=fread(buf,1,len,fp);
 189         if (len <= 1) return(0);
 190         buf[len]='\0';
 191
 192         i=0;
 193         for (p=buf; *p; p++)
 194                 if (*p == '\n') i++;
 195         if (arg != NULL) OPENSSL_free(arg);
 196         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 197
 198         *argv=arg;
 199         num=0;
 200         p=buf;
 201         for (;;)
 202                 {
 203                 if (!*p) break;
 204                 if (*p == '#') /* comment line */
 205                         {
 206                         while (*p && (*p != '\n')) p++;
 207                         continue;
 208                         }
 209                 /* else we have a line */
 210                 *(arg++)=p;
 211                 num++;
 212                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 213                         p++;
 214                 if (!*p) break;
 215                 if (*p == '\n')
 216                         {
 217                         *(p++)='\0';
 218                         continue;
 219                         }
 220                 /* else it is a tab or space */
 221                 p++;
 222                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 223                         p++;
 224                 if (!*p) break;
 225                 if (*p == '\n')
 226                         {
 227                         p++;
 228                         continue;
 229                         }
 230                 *(arg++)=p++;
 231                 num++;
 232                 while (*p && (*p != '\n')) p++;
 233                 if (!*p) break;
 234                 /* else *p == '\n' */
 235                 *(p++)='\0';
 236                 }
 237         *argc=num;
 238         return(1);
 239         }
 240 #endif
 241
 242 int str2fmt(char *s)
 243         {
 244         if      ((*s == 'D') || (*s == 'd'))
 245                 return(FORMAT_ASN1);
 246         else if ((*s == 'T') || (*s == 't'))
 247                 return(FORMAT_TEXT);
 248         else if ((*s == 'P') || (*s == 'p'))
 249                 return(FORMAT_PEM);
 250         else if ((*s == 'N') || (*s == 'n'))
 251                 return(FORMAT_NETSCAPE);
 252         else if ((*s == 'S') || (*s == 's'))
 253                 return(FORMAT_SMIME);
 254         else if ((*s == '1')
 255                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 256                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 257                 return(FORMAT_PKCS12);
 258         else if ((*s == 'E') || (*s == 'e'))
 259                 return(FORMAT_ENGINE);
 260         else
 261                 return(FORMAT_UNDEF);
 262         }
 263
 264 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
 265 void program_name(char *in, char *out, int size)
 266         {
 267         int i,n;
 268         char *p=NULL;
 269
 270         n=strlen(in);
 271         /* find the last '/', '\' or ':' */
 272         for (i=n-1; i>0; i--)
 273                 {
 274                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 275                         {
 276                         p= &(in[i+1]);
 277                         break;
 278                         }
 279                 }
 280         if (p == NULL)
 281                 p=in;
 282         n=strlen(p);
 283         /* strip off trailing .exe if present. */
 284         if ((n > 4) && (p[n-4] == '.') &&
 285                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 286                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 287                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 288                 n-=4;
 289         if (n > size-1)
 290                 n=size-1;
 291
 292         for (i=0; i<n; i++)
 293                 {
 294                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 295                         out[i]=p[i]-'A'+'a';
 296                 else
 297                         out[i]=p[i];
 298                 }
 299         out[n]='\0';
 300         }
 301 #else
 302 #ifdef OPENSSL_SYS_VMS
 303 void program_name(char *in, char *out, int size)
 304         {
 305         char *p=in, *q;
 306         char *chars=":]>";
 307
 308         while(*chars != '\0')
 309                 {
 310                 q=strrchr(p,*chars);
 311                 if (q > p)
 312                         p = q + 1;
 313                 chars++;
 314                 }
 315
 316         q=strrchr(p,'.');
 317         if (q == NULL)
 318                 q = p + strlen(p);
 319         strncpy(out,p,size-1);
 320         if (q-p >= size)
 321                 {
 322                 out[size-1]='\0';
 323                 }
 324         else
 325                 {
 326                 out[q-p]='\0';
 327                 }
 328         }
 329 #else
 330 void program_name(char *in, char *out, int size)
 331         {
 332         char *p;
 333
 334         p=strrchr(in,'/');
 335         if (p != NULL)
 336                 p++;
 337         else
 338                 p=in;
 339         strncpy(out,p,size-1);
 340         out[size-1]='\0';
 341         }
 342 #endif
 343 #endif
 344
 345 #ifdef OPENSSL_SYS_WIN32
 346 int WIN32_rename(char *from, char *to)
 347         {
 348         /* Windows rename gives an error if 'to' exists, so delete it
 349          * first and ignore file not found errror
 350          */
 351         if((remove(to) != 0) && (errno != ENOENT))
 352                 return -1;
 353 #undef rename
 354         return rename(from, to);
 355         }
 356 #endif
 357
 358 #ifdef OPENSSL_SYS_VMS
 359 int VMS_strcasecmp(const char *str1, const char *str2)
 360         {
 361         while (*str1 && *str2)
 362                 {
 363                 int res = toupper(*str1) - toupper(*str2);
 364                 if (res) return res < 0 ? -1 : 1;
 365                 }
 366         if (*str1)
 367                 return 1;
 368         if (*str2)
 369                 return -1;
 370         return 0;
 371         }
 372 #endif
 373
 374 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 375         {
 376         int num,len,i;
 377         char *p;
 378
 379         *argc=0;
 380         *argv=NULL;
 381
 382         len=strlen(buf);
 383         i=0;
 384         if (arg->count == 0)
 385                 {
 386                 arg->count=20;
 387                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 388                 }
 389         for (i=0; i<arg->count; i++)
 390                 arg->data[i]=NULL;
 391
 392         num=0;
 393         p=buf;
 394         for (;;)
 395                 {
 396                 /* first scan over white space */
 397                 if (!*p) break;
 398                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 399                         p++;
 400                 if (!*p) break;
 401
 402                 /* The start of something good :-) */
 403                 if (num >= arg->count)
 404                         {
 405                         arg->count+=20;
 406                         arg->data=(char **)OPENSSL_realloc(arg->data,
 407                                 sizeof(char *)*arg->count);
 408                         if (argc == 0) return(0);
 409                         }
 410                 arg->data[num++]=p;
 411
 412                 /* now look for the end of this */
 413                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 414                         {
 415                         i= *(p++);
 416                         arg->data[num-1]++; /* jump over quote */
 417                         while (*p && (*p != i))
 418                                 p++;
 419                         *p='\0';
 420                         }
 421                 else
 422                         {
 423                         while (*p && ((*p != ' ') &&
 424                                 (*p != '\t') && (*p != '\n')))
 425                                 p++;
 426
 427                         if (*p == '\0')
 428                                 p--;
 429                         else
 430                                 *p='\0';
 431                         }
 432                 p++;
 433                 }
 434         *argc=num;
 435         *argv=arg->data;
 436         return(1);
 437         }
 438
 439 #ifndef APP_INIT
 440 int app_init(long mesgwin)
 441         {
 442         return(1);
 443         }
 444 #endif
 445
 446
 447 int dump_cert_text (BIO *out, X509 *x)
 448 {
 449         char buf[256];
 450         X509_NAME_oneline(X509_get_subject_name(x),buf,256);
 451         BIO_puts(out,"subject=");
 452         BIO_puts(out,buf);
 453
 454         X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
 455         BIO_puts(out,"\nissuer= ");
 456         BIO_puts(out,buf);
 457         BIO_puts(out,"\n");
 458         return 0;
 459 }
 460
 461 static int ui_open(UI *ui)
 462         {
 463         return UI_method_get_opener(UI_OpenSSL())(ui);
 464         }
 465 static int ui_read(UI *ui, UI_STRING *uis)
 466         {
 467         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 468                 && UI_get0_user_data(ui))
 469                 {
 470                 switch(UI_get_string_type(uis))
 471                         {
 472                 case UIT_PROMPT:
 473                 case UIT_VERIFY:
 474                         {
 475                         const char *password =
 476                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 477                         if (password[0] != '\0')
 478                                 {
 479                                 UI_set_result(ui, uis, password);
 480                                 return 1;
 481                                 }
 482                         }
 483                 default:
 484                         break;
 485                         }
 486                 }
 487         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 488         }
 489 static int ui_write(UI *ui, UI_STRING *uis)
 490         {
 491         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 492                 && UI_get0_user_data(ui))
 493                 {
 494                 switch(UI_get_string_type(uis))
 495                         {
 496                 case UIT_PROMPT:
 497                 case UIT_VERIFY:
 498                         {
 499                         const char *password =
 500                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 501                         if (password[0] != '\0')
 502                                 return 1;
 503                         }
 504                 default:
 505                         break;
 506                         }
 507                 }
 508         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 509         }
 510 static int ui_close(UI *ui)
 511         {
 512         return UI_method_get_closer(UI_OpenSSL())(ui);
 513         }
 514 int setup_ui_method(void)
 515         {
 516         ui_method = UI_create_method("OpenSSL application user interface");
 517         UI_method_set_opener(ui_method, ui_open);
 518         UI_method_set_reader(ui_method, ui_read);
 519         UI_method_set_writer(ui_method, ui_write);
 520         UI_method_set_closer(ui_method, ui_close);
 521         return 0;
 522         }
 523 void destroy_ui_method(void)
 524         {
 525         if(ui_method)
 526                 {
 527                 UI_destroy_method(ui_method);
 528                 ui_method = NULL;
 529                 }
 530         }
 531 int password_callback(char *buf, int bufsiz, int verify,
 532         PW_CB_DATA *cb_tmp)
 533         {
 534         UI *ui = NULL;
 535         int res = 0;
 536         const char *prompt_info = NULL;
 537         const char *password = NULL;
 538         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 539
 540         if (cb_data)
 541                 {
 542                 if (cb_data->password)
 543                         password = cb_data->password;
 544                 if (cb_data->prompt_info)
 545                         prompt_info = cb_data->prompt_info;
 546                 }
 547
 548         if (password)
 549                 {
 550                 res = strlen(password);
 551                 if (res > bufsiz)
 552                         res = bufsiz;
 553                 memcpy(buf, password, res);
 554                 return res;
 555                 }
 556
 557         ui = UI_new_method(ui_method);
 558         if (ui)
 559                 {
 560                 int ok = 0;
 561                 char *buff = NULL;
 562                 int ui_flags = 0;
 563                 char *prompt = NULL;
 564
 565                 prompt = UI_construct_prompt(ui, "pass phrase",
 566                         cb_data->prompt_info);
 567
 568                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 569                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 570
 571                 if (ok >= 0)
 572                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 573                                 PW_MIN_LENGTH,BUFSIZ-1);
 574                 if (ok >= 0 && verify)
 575                         {
 576                         buff = (char *)OPENSSL_malloc(bufsiz);
 577                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 578                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 579                         }
 580                 if (ok >= 0)
 581                         do
 582                                 {
 583                                 ok = UI_process(ui);
 584                                 }
 585                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 586
 587                 if (buff)
 588                         {
 589                         memset(buff,0,(unsigned int)bufsiz);
 590                         OPENSSL_free(buff);
 591                         }
 592
 593                 if (ok >= 0)
 594                         res = strlen(buf);
 595                 if (ok == -1)
 596                         {
 597                         BIO_printf(bio_err, "User interface error\n");
 598                         ERR_print_errors(bio_err);
 599                         memset(buf,0,(unsigned int)bufsiz);
 600                         res = 0;
 601                         }
 602                 if (ok == -2)
 603                         {
 604                         BIO_printf(bio_err,"aborted!\n");
 605                         memset(buf,0,(unsigned int)bufsiz);
 606                         res = 0;
 607                         }
 608                 UI_free(ui);
 609                 OPENSSL_free(prompt);
 610                 }
 611         return res;
 612         }
 613
 614 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 615
 616 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 617 {
 618         int same;
 619         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 620         else same = 1;
 621         if(arg1) {
 622                 *pass1 = app_get_pass(err, arg1, same);
 623                 if(!*pass1) return 0;
 624         } else if(pass1) *pass1 = NULL;
 625         if(arg2) {
 626                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 627                 if(!*pass2) return 0;
 628         } else if(pass2) *pass2 = NULL;
 629         return 1;
 630 }
 631
 632 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 633 {
 634         char *tmp, tpass[APP_PASS_LEN];
 635         static BIO *pwdbio = NULL;
 636         int i;
 637         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 638         if(!strncmp(arg, "env:", 4)) {
 639                 tmp = getenv(arg + 4);
 640                 if(!tmp) {
 641                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 642                         return NULL;
 643                 }
 644                 return BUF_strdup(tmp);
 645         }
 646         if(!keepbio || !pwdbio) {
 647                 if(!strncmp(arg, "file:", 5)) {
 648                         pwdbio = BIO_new_file(arg + 5, "r");
 649                         if(!pwdbio) {
 650                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 651                                 return NULL;
 652                         }
 653                 } else if(!strncmp(arg, "fd:", 3)) {
 654                         BIO *btmp;
 655                         i = atoi(arg + 3);
 656                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 657                         if((i < 0) || !pwdbio) {
 658                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 659                                 return NULL;
 660                         }
 661                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 662                         btmp = BIO_new(BIO_f_buffer());
 663                         pwdbio = BIO_push(btmp, pwdbio);
 664                 } else if(!strcmp(arg, "stdin")) {
 665                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 666                         if(!pwdbio) {
 667                                 BIO_printf(err, "Can't open BIO for stdin\n");
 668                                 return NULL;
 669                         }
 670                 } else {
 671                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 672                         return NULL;
 673                 }
 674         }
 675         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 676         if(keepbio != 1) {
 677                 BIO_free_all(pwdbio);
 678                 pwdbio = NULL;
 679         }
 680         if(i <= 0) {
 681                 BIO_printf(err, "Error reading password from BIO\n");
 682                 return NULL;
 683         }
 684         tmp = strchr(tpass, '\n');
 685         if(tmp) *tmp = 0;
 686         return BUF_strdup(tpass);
 687 }
 688
 689 int add_oid_section(BIO *err, CONF *conf)
 690 {
 691         char *p;
 692         STACK_OF(CONF_VALUE) *sktmp;
 693         CONF_VALUE *cnf;
 694         int i;
 695         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 696                 {
 697                 ERR_clear_error();
 698                 return 1;
 699                 }
 700         if(!(sktmp = NCONF_get_section(conf, p))) {
 701                 BIO_printf(err, "problem loading oid section %s\n", p);
 702                 return 0;
 703         }
 704         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 705                 cnf = sk_CONF_VALUE_value(sktmp, i);
 706                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 707                         BIO_printf(err, "problem creating object %s=%s\n",
 708                                                          cnf->name, cnf->value);
 709                         return 0;
 710                 }
 711         }
 712         return 1;
 713 }
 714
 715 X509 *load_cert(BIO *err, const char *file, int format,
 716         const char *pass, ENGINE *e, const char *cert_descrip)
 717         {
 718         ASN1_HEADER *ah=NULL;
 719         BUF_MEM *buf=NULL;
 720         X509 *x=NULL;
 721         BIO *cert;
 722
 723         if ((cert=BIO_new(BIO_s_file())) == NULL)
 724                 {
 725                 ERR_print_errors(err);
 726                 goto end;
 727                 }
 728
 729         if (file == NULL)
 730                 {
 731                 setvbuf(stdin, NULL, _IONBF, 0);
 732                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 733                 }
 734         else
 735                 {
 736                 if (BIO_read_filename(cert,file) <= 0)
 737                         {
 738                         BIO_printf(err, "Error opening %s %s\n",
 739                                 cert_descrip, file);
 740                         ERR_print_errors(err);
 741                         goto end;
 742                         }
 743                 }
 744
 745         if      (format == FORMAT_ASN1)
 746                 x=d2i_X509_bio(cert,NULL);
 747         else if (format == FORMAT_NETSCAPE)
 748                 {
 749                 unsigned char *p,*op;
 750                 int size=0,i;
 751
 752                 /* We sort of have to do it this way because it is sort of nice
 753                  * to read the header first and check it, then
 754                  * try to read the certificate */
 755                 buf=BUF_MEM_new();
 756                 for (;;)
 757                         {
 758                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 759                                 goto end;
 760                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 761                         size+=i;
 762                         if (i == 0) break;
 763                         if (i < 0)
 764                                 {
 765                                 perror("reading certificate");
 766                                 goto end;
 767                                 }
 768                         }
 769                 p=(unsigned char *)buf->data;
 770                 op=p;
 771
 772                 /* First load the header */
 773                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 774                         goto end;
 775                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 776                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 777                         ah->header->length) != 0))
 778                         {
 779                         BIO_printf(err,"Error reading header on certificate\n");
 780                         goto end;
 781                         }
 782                 /* header is ok, so now read the object */
 783                 p=op;
 784                 ah->meth=X509_asn1_meth();
 785                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 786                         goto end;
 787                 x=(X509 *)ah->data;
 788                 ah->data=NULL;
 789                 }
 790         else if (format == FORMAT_PEM)
 791                 x=PEM_read_bio_X509_AUX(cert,NULL,
 792                         (pem_password_cb *)password_callback, NULL);
 793         else if (format == FORMAT_PKCS12)
 794                 {
 795                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
 796
 797                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
 798                 PKCS12_free(p12);
 799                 p12 = NULL;
 800                 }
 801         else    {
 802                 BIO_printf(err,"bad input format specified for %s\n",
 803                         cert_descrip);
 804                 goto end;
 805                 }
 806 end:
 807         if (x == NULL)
 808                 {
 809                 BIO_printf(err,"unable to load certificate\n");
 810                 ERR_print_errors(err);
 811                 }
 812         if (ah != NULL) ASN1_HEADER_free(ah);
 813         if (cert != NULL) BIO_free(cert);
 814         if (buf != NULL) BUF_MEM_free(buf);
 815         return(x);
 816         }
 817
 818 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 819         const char *pass, ENGINE *e, const char *key_descrip)
 820         {
 821         BIO *key=NULL;
 822         EVP_PKEY *pkey=NULL;
 823         PW_CB_DATA cb_data;
 824
 825         cb_data.password = pass;
 826         cb_data.prompt_info = file;
 827
 828         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 829                 {
 830                 BIO_printf(err,"no keyfile specified\n");
 831                 goto end;
 832                 }
 833         if (format == FORMAT_ENGINE)
 834                 {
 835                 if (!e)
 836                         BIO_printf(bio_err,"no engine specified\n");
 837                 else
 838                         pkey = ENGINE_load_private_key(e, file,
 839                                 ui_method, &cb_data);
 840                 goto end;
 841                 }
 842         key=BIO_new(BIO_s_file());
 843         if (key == NULL)
 844                 {
 845                 ERR_print_errors(err);
 846                 goto end;
 847                 }
 848         if (file == NULL && maybe_stdin)
 849                 {
 850                 setvbuf(stdin, NULL, _IONBF, 0);
 851                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 852                 }
 853         else
 854                 if (BIO_read_filename(key,file) <= 0)
 855                         {
 856                         BIO_printf(err, "Error opening %s %s\n",
 857                                 key_descrip, file);
 858                         ERR_print_errors(err);
 859                         goto end;
 860                         }
 861         if (format == FORMAT_ASN1)
 862                 {
 863                 pkey=d2i_PrivateKey_bio(key, NULL);
 864                 }
 865         else if (format == FORMAT_PEM)
 866                 {
 867                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 868                         (pem_password_cb *)password_callback, &cb_data);
 869                 }
 870 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 871         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 872                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 873 #endif
 874         else if (format == FORMAT_PKCS12)
 875                 {
 876                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
 877
 878                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
 879                 PKCS12_free(p12);
 880                 p12 = NULL;
 881                 }
 882         else
 883                 {
 884                 BIO_printf(err,"bad input format specified for key file\n");
 885                 goto end;
 886                 }
 887  end:
 888         if (key != NULL) BIO_free(key);
 889         if (pkey == NULL)
 890                 BIO_printf(err,"unable to load %s\n", key_descrip);
 891         return(pkey);
 892         }
 893
 894 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 895         const char *pass, ENGINE *e, const char *key_descrip)
 896         {
 897         BIO *key=NULL;
 898         EVP_PKEY *pkey=NULL;
 899         PW_CB_DATA cb_data;
 900
 901         cb_data.password = pass;
 902         cb_data.prompt_info = file;
 903
 904         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 905                 {
 906                 BIO_printf(err,"no keyfile specified\n");
 907                 goto end;
 908                 }
 909         if (format == FORMAT_ENGINE)
 910                 {
 911                 if (!e)
 912                         BIO_printf(bio_err,"no engine specified\n");
 913                 else
 914                         pkey = ENGINE_load_public_key(e, file,
 915                                 ui_method, &cb_data);
 916                 goto end;
 917                 }
 918         key=BIO_new(BIO_s_file());
 919         if (key == NULL)
 920                 {
 921                 ERR_print_errors(err);
 922                 goto end;
 923                 }
 924         if (file == NULL && maybe_stdin)
 925                 {
 926                 setvbuf(stdin, NULL, _IONBF, 0);
 927                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 928                 }
 929         else
 930                 if (BIO_read_filename(key,file) <= 0)
 931                         {
 932                         BIO_printf(err, "Error opening %s %s\n",
 933                                 key_descrip, file);
 934                         ERR_print_errors(err);
 935                         goto end;
 936                 }
 937         if (format == FORMAT_ASN1)
 938                 {
 939                 pkey=d2i_PUBKEY_bio(key, NULL);
 940                 }
 941         else if (format == FORMAT_PEM)
 942                 {
 943                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 944                         (pem_password_cb *)password_callback, &cb_data);
 945                 }
 946 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 947         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 948                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 949 #endif
 950         else
 951                 {
 952                 BIO_printf(err,"bad input format specified for key file\n");
 953                 goto end;
 954                 }
 955  end:
 956         if (key != NULL) BIO_free(key);
 957         if (pkey == NULL)
 958                 BIO_printf(err,"unable to load %s\n", key_descrip);
 959         return(pkey);
 960         }
 961
 962 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 963 static EVP_PKEY *
 964 load_netscape_key(BIO *err, BIO *key, const char *file,
 965                 const char *key_descrip, int format)
 966         {
 967         EVP_PKEY *pkey;
 968         BUF_MEM *buf;
 969         RSA     *rsa;
 970         const unsigned char *p;
 971         int size, i;
 972
 973         buf=BUF_MEM_new();
 974         pkey = EVP_PKEY_new();
 975         size = 0;
 976         if (buf == NULL || pkey == NULL)
 977                 goto error;
 978         for (;;)
 979                 {
 980                 if (!BUF_MEM_grow(buf,size+1024*10))
 981                         goto error;
 982                 i = BIO_read(key, &(buf->data[size]), 1024*10);
 983                 size += i;
 984                 if (i == 0)
 985                         break;
 986                 if (i < 0)
 987                         {
 988                                 BIO_printf(err, "Error reading %s %s",
 989                                         key_descrip, file);
 990                                 goto error;
 991                         }
 992                 }
 993         p=(unsigned char *)buf->data;
 994         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
 995                 (format == FORMAT_IISSGC ? 1 : 0));
 996         if (rsa == NULL)
 997                 goto error;
 998         BUF_MEM_free(buf);
 999         EVP_PKEY_set1_RSA(pkey, rsa);
1000         return pkey;
1001 error:
1002         BUF_MEM_free(buf);
1003         EVP_PKEY_free(pkey);
1004         return NULL;
1005         }
1006 #endif /* ndef OPENSSL_NO_RC4 */
1007
1008 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1009         const char *pass, ENGINE *e, const char *cert_descrip)
1010         {
1011         BIO *certs;
1012         int i;
1013         STACK_OF(X509) *othercerts = NULL;
1014         STACK_OF(X509_INFO) *allcerts = NULL;
1015         X509_INFO *xi;
1016         PW_CB_DATA cb_data;
1017
1018         cb_data.password = pass;
1019         cb_data.prompt_info = file;
1020
1021         if((certs = BIO_new(BIO_s_file())) == NULL)
1022                 {
1023                 ERR_print_errors(err);
1024                 goto end;
1025                 }
1026
1027         if (file == NULL)
1028                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1029         else
1030                 {
1031                 if (BIO_read_filename(certs,file) <= 0)
1032                         {
1033                         BIO_printf(err, "Error opening %s %s\n",
1034                                 cert_descrip, file);
1035                         ERR_print_errors(err);
1036                         goto end;
1037                         }
1038                 }
1039
1040         if      (format == FORMAT_PEM)
1041                 {
1042                 othercerts = sk_X509_new_null();
1043                 if(!othercerts)
1044                         {
1045                         sk_X509_free(othercerts);
1046                         othercerts = NULL;
1047                         goto end;
1048                         }
1049                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1050                                 (pem_password_cb *)password_callback, &cb_data);
1051                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1052                         {
1053                         xi = sk_X509_INFO_value (allcerts, i);
1054                         if (xi->x509)
1055                                 {
1056                                 sk_X509_push(othercerts, xi->x509);
1057                                 xi->x509 = NULL;
1058                                 }
1059                         }
1060                 goto end;
1061                 }
1062         else    {
1063                 BIO_printf(err,"bad input format specified for %s\n",
1064                         cert_descrip);
1065                 goto end;
1066                 }
1067 end:
1068         if (othercerts == NULL)
1069                 {
1070                 BIO_printf(err,"unable to load certificates\n");
1071                 ERR_print_errors(err);
1072                 }
1073         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1074         if (certs != NULL) BIO_free(certs);
1075         return(othercerts);
1076         }
1077
1078
1079 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1080 /* Return error for unknown extensions */
1081 #define X509V3_EXT_DEFAULT              0
1082 /* Print error for unknown extensions */
1083 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1084 /* ASN1 parse unknown extensions */
1085 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1086 /* BIO_dump unknown extensions */
1087 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1088
1089 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1090                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1091
1092 int set_cert_ex(unsigned long *flags, const char *arg)
1093 {
1094         static const NAME_EX_TBL cert_tbl[] = {
1095                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1096                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1097                 { "no_header", X509_FLAG_NO_HEADER, 0},
1098                 { "no_version", X509_FLAG_NO_VERSION, 0},
1099                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1100                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1101                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1102                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1103                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1104                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1105                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1106                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1107                 { "no_aux", X509_FLAG_NO_AUX, 0},
1108                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1109                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1110                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1111                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1112                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1113                 { NULL, 0, 0}
1114         };
1115         return set_multi_opts(flags, arg, cert_tbl);
1116 }
1117
1118 int set_name_ex(unsigned long *flags, const char *arg)
1119 {
1120         static const NAME_EX_TBL ex_tbl[] = {
1121                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1122                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1123                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1124                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1125                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1126                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1127                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1128                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1129                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1130                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1131                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1132                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1133                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1134                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1135                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1136                 { "dn_rev", XN_FLAG_DN_REV, 0},
1137                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1138                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1139                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1140                 { "align", XN_FLAG_FN_ALIGN, 0},
1141                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1142                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1143                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1144                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1145                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1146                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1147                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1148                 { NULL, 0, 0}
1149         };
1150         return set_multi_opts(flags, arg, ex_tbl);
1151 }
1152
1153 int set_ext_copy(int *copy_type, const char *arg)
1154 {
1155         if (!strcasecmp(arg, "none"))
1156                 *copy_type = EXT_COPY_NONE;
1157         else if (!strcasecmp(arg, "copy"))
1158                 *copy_type = EXT_COPY_ADD;
1159         else if (!strcasecmp(arg, "copyall"))
1160                 *copy_type = EXT_COPY_ALL;
1161         else
1162                 return 0;
1163         return 1;
1164 }
1165
1166 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1167 {
1168         STACK_OF(X509_EXTENSION) *exts = NULL;
1169         X509_EXTENSION *ext, *tmpext;
1170         ASN1_OBJECT *obj;
1171         int i, idx, ret = 0;
1172         if (!x || !req || (copy_type == EXT_COPY_NONE))
1173                 return 1;
1174         exts = X509_REQ_get_extensions(req);
1175
1176         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1177                 ext = sk_X509_EXTENSION_value(exts, i);
1178                 obj = X509_EXTENSION_get_object(ext);
1179                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1180                 /* Does extension exist? */
1181                 if (idx != -1) {
1182                         /* If normal copy don't override existing extension */
1183                         if (copy_type == EXT_COPY_ADD)
1184                                 continue;
1185                         /* Delete all extensions of same type */
1186                         do {
1187                                 tmpext = X509_get_ext(x, idx);
1188                                 X509_delete_ext(x, idx);
1189                                 X509_EXTENSION_free(tmpext);
1190                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1191                         } while (idx != -1);
1192                 }
1193                 if (!X509_add_ext(x, ext, -1))
1194                         goto end;
1195         }
1196
1197         ret = 1;
1198
1199         end:
1200
1201         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1202
1203         return ret;
1204 }
1205
1206
1207
1208
1209 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1210 {
1211         STACK_OF(CONF_VALUE) *vals;
1212         CONF_VALUE *val;
1213         int i, ret = 1;
1214         if(!arg) return 0;
1215         vals = X509V3_parse_list(arg);
1216         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1217                 val = sk_CONF_VALUE_value(vals, i);
1218                 if (!set_table_opts(flags, val->name, in_tbl))
1219                         ret = 0;
1220         }
1221         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1222         return ret;
1223 }
1224
1225 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1226 {
1227         char c;
1228         const NAME_EX_TBL *ptbl;
1229         c = arg[0];
1230
1231         if(c == '-') {
1232                 c = 0;
1233                 arg++;
1234         } else if (c == '+') {
1235                 c = 1;
1236                 arg++;
1237         } else c = 1;
1238
1239         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1240                 if(!strcasecmp(arg, ptbl->name)) {
1241                         *flags &= ~ptbl->mask;
1242                         if(c) *flags |= ptbl->flag;
1243                         else *flags &= ~ptbl->flag;
1244                         return 1;
1245                 }
1246         }
1247         return 0;
1248 }
1249
1250 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1251 {
1252         char *buf;
1253         char mline = 0;
1254         int indent = 0;
1255         if(title) BIO_puts(out, title);
1256         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1257                 mline = 1;
1258                 indent = 4;
1259         }
1260         if(lflags == XN_FLAG_COMPAT) {
1261                 buf = X509_NAME_oneline(nm, 0, 0);
1262                 BIO_puts(out, buf);
1263                 BIO_puts(out, "\n");
1264                 OPENSSL_free(buf);
1265         } else {
1266                 if(mline) BIO_puts(out, "\n");
1267                 X509_NAME_print_ex(out, nm, indent, lflags);
1268                 BIO_puts(out, "\n");
1269         }
1270 }
1271
1272 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1273 {
1274         X509_STORE *store;
1275         X509_LOOKUP *lookup;
1276         if(!(store = X509_STORE_new())) goto end;
1277         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1278         if (lookup == NULL) goto end;
1279         if (CAfile) {
1280                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1281                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1282                         goto end;
1283                 }
1284         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1285
1286         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1287         if (lookup == NULL) goto end;
1288         if (CApath) {
1289                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1290                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1291                         goto end;
1292                 }
1293         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1294
1295         ERR_clear_error();
1296         return store;
1297         end:
1298         X509_STORE_free(store);
1299         return NULL;
1300 }
1301
1302 /* Try to load an engine in a shareable library */
1303 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1304         {
1305         ENGINE *e = ENGINE_by_id("dynamic");
1306         if (e)
1307                 {
1308                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1309                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1310                         {
1311                         ENGINE_free(e);
1312                         e = NULL;
1313                         }
1314                 }
1315         return e;
1316         }
1317
1318 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1319         {
1320         ENGINE *e = NULL;
1321
1322         if (engine)
1323                 {
1324                 if(strcmp(engine, "auto") == 0)
1325                         {
1326                         BIO_printf(err,"enabling auto ENGINE support\n");
1327                         ENGINE_register_all_complete();
1328                         return NULL;
1329                         }
1330                 if((e = ENGINE_by_id(engine)) == NULL
1331                         && (e = try_load_engine(err, engine, debug)) == NULL)
1332                         {
1333                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1334                         ERR_print_errors(err);
1335                         return NULL;
1336                         }
1337                 if (debug)
1338                         {
1339                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1340                                 0, err, 0);
1341                         }
1342                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1343                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1344                         {
1345                         BIO_printf(err,"can't use that engine\n");
1346                         ERR_print_errors(err);
1347                         ENGINE_free(e);
1348                         return NULL;
1349                         }
1350
1351                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1352
1353                 /* Free our "structural" reference. */
1354                 ENGINE_free(e);
1355                 }
1356         return e;
1357         }
1358
1359 int load_config(BIO *err, CONF *cnf)
1360         {
1361         if (!cnf)
1362                 cnf = config;
1363         if (!cnf)
1364                 return 1;
1365
1366         OPENSSL_load_builtin_modules();
1367
1368         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1369                 {
1370                 BIO_printf(err, "Error configuring OpenSSL\n");
1371                 ERR_print_errors(err);
1372                 return 0;
1373                 }
1374         return 1;
1375         }