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