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 = p + strlen(p);
 314         strncpy(out,p,size-1);
 315         if (q-p >= size)
 316                 {
 317                 out[size-1]='\0';
 318                 }
 319         else
 320                 {
 321                 out[q-p]='\0';
 322                 }
 323         }
 324 #else
 325 void program_name(char *in, char *out, int size)
 326         {
 327         char *p;
 328
 329         p=strrchr(in,'/');
 330         if (p != NULL)
 331                 p++;
 332         else
 333                 p=in;
 334         strncpy(out,p,size-1);
 335         out[size-1]='\0';
 336         }
 337 #endif
 338 #endif
 339
 340 #ifdef OPENSSL_SYS_WIN32
 341 int WIN32_rename(char *from, char *to)
 342         {
 343         /* Windows rename gives an error if 'to' exists, so delete it
 344          * first and ignore file not found errror
 345          */
 346         if((remove(to) != 0) && (errno != ENOENT))
 347                 return -1;
 348 #undef rename
 349         return rename(from, to);
 350         }
 351 #endif
 352
 353 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 354         {
 355         int num,len,i;
 356         char *p;
 357
 358         *argc=0;
 359         *argv=NULL;
 360
 361         len=strlen(buf);
 362         i=0;
 363         if (arg->count == 0)
 364                 {
 365                 arg->count=20;
 366                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 367                 }
 368         for (i=0; i<arg->count; i++)
 369                 arg->data[i]=NULL;
 370
 371         num=0;
 372         p=buf;
 373         for (;;)
 374                 {
 375                 /* first scan over white space */
 376                 if (!*p) break;
 377                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 378                         p++;
 379                 if (!*p) break;
 380
 381                 /* The start of something good :-) */
 382                 if (num >= arg->count)
 383                         {
 384                         arg->count+=20;
 385                         arg->data=(char **)OPENSSL_realloc(arg->data,
 386                                 sizeof(char *)*arg->count);
 387                         if (argc == 0) return(0);
 388                         }
 389                 arg->data[num++]=p;
 390
 391                 /* now look for the end of this */
 392                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 393                         {
 394                         i= *(p++);
 395                         arg->data[num-1]++; /* jump over quote */
 396                         while (*p && (*p != i))
 397                                 p++;
 398                         *p='\0';
 399                         }
 400                 else
 401                         {
 402                         while (*p && ((*p != ' ') &&
 403                                 (*p != '\t') && (*p != '\n')))
 404                                 p++;
 405
 406                         if (*p == '\0')
 407                                 p--;
 408                         else
 409                                 *p='\0';
 410                         }
 411                 p++;
 412                 }
 413         *argc=num;
 414         *argv=arg->data;
 415         return(1);
 416         }
 417
 418 #ifndef APP_INIT
 419 int app_init(long mesgwin)
 420         {
 421         return(1);
 422         }
 423 #endif
 424
 425
 426 int dump_cert_text (BIO *out, X509 *x)
 427 {
 428         char buf[256];
 429         X509_NAME_oneline(X509_get_subject_name(x),buf,256);
 430         BIO_puts(out,"subject=");
 431         BIO_puts(out,buf);
 432
 433         X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
 434         BIO_puts(out,"\nissuer= ");
 435         BIO_puts(out,buf);
 436         BIO_puts(out,"\n");
 437         return 0;
 438 }
 439
 440 static int ui_open(UI *ui)
 441         {
 442         return UI_method_get_opener(UI_OpenSSL())(ui);
 443         }
 444 static int ui_read(UI *ui, UI_STRING *uis)
 445         {
 446         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 447                 && UI_get0_user_data(ui))
 448                 {
 449                 switch(UI_get_string_type(uis))
 450                         {
 451                 case UIT_PROMPT:
 452                 case UIT_VERIFY:
 453                         {
 454                         const char *password =
 455                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 456                         if (password[0] != '\0')
 457                                 {
 458                                 UI_set_result(ui, uis, password);
 459                                 return 1;
 460                                 }
 461                         }
 462                 default:
 463                         break;
 464                         }
 465                 }
 466         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 467         }
 468 static int ui_write(UI *ui, UI_STRING *uis)
 469         {
 470         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 471                 && UI_get0_user_data(ui))
 472                 {
 473                 switch(UI_get_string_type(uis))
 474                         {
 475                 case UIT_PROMPT:
 476                 case UIT_VERIFY:
 477                         {
 478                         const char *password =
 479                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 480                         if (password[0] != '\0')
 481                                 return 1;
 482                         }
 483                 default:
 484                         break;
 485                         }
 486                 }
 487         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 488         }
 489 static int ui_close(UI *ui)
 490         {
 491         return UI_method_get_closer(UI_OpenSSL())(ui);
 492         }
 493 int setup_ui_method(void)
 494         {
 495         ui_method = UI_create_method("OpenSSL application user interface");
 496         UI_method_set_opener(ui_method, ui_open);
 497         UI_method_set_reader(ui_method, ui_read);
 498         UI_method_set_writer(ui_method, ui_write);
 499         UI_method_set_closer(ui_method, ui_close);
 500         return 0;
 501         }
 502 void destroy_ui_method(void)
 503         {
 504         if(ui_method)
 505                 {
 506                 UI_destroy_method(ui_method);
 507                 ui_method = NULL;
 508                 }
 509         }
 510 int password_callback(char *buf, int bufsiz, int verify,
 511         PW_CB_DATA *cb_tmp)
 512         {
 513         UI *ui = NULL;
 514         int res = 0;
 515         const char *prompt_info = NULL;
 516         const char *password = NULL;
 517         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 518
 519         if (cb_data)
 520                 {
 521                 if (cb_data->password)
 522                         password = cb_data->password;
 523                 if (cb_data->prompt_info)
 524                         prompt_info = cb_data->prompt_info;
 525                 }
 526
 527         if (password)
 528                 {
 529                 res = strlen(password);
 530                 if (res > bufsiz)
 531                         res = bufsiz;
 532                 memcpy(buf, password, res);
 533                 return res;
 534                 }
 535
 536         ui = UI_new_method(ui_method);
 537         if (ui)
 538                 {
 539                 int ok = 0;
 540                 char *buff = NULL;
 541                 int ui_flags = 0;
 542                 char *prompt = NULL;
 543
 544                 prompt = UI_construct_prompt(ui, "pass phrase",
 545                         cb_data->prompt_info);
 546
 547                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 548                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 549
 550                 if (ok >= 0)
 551                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 552                                 PW_MIN_LENGTH,BUFSIZ-1);
 553                 if (ok >= 0 && verify)
 554                         {
 555                         buff = (char *)OPENSSL_malloc(bufsiz);
 556                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 557                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 558                         }
 559                 if (ok >= 0)
 560                         do
 561                                 {
 562                                 ok = UI_process(ui);
 563                                 }
 564                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 565
 566                 if (buff)
 567                         {
 568                         memset(buff,0,(unsigned int)bufsiz);
 569                         OPENSSL_free(buff);
 570                         }
 571
 572                 if (ok >= 0)
 573                         res = strlen(buf);
 574                 if (ok == -1)
 575                         {
 576                         BIO_printf(bio_err, "User interface error\n");
 577                         ERR_print_errors(bio_err);
 578                         memset(buf,0,(unsigned int)bufsiz);
 579                         res = 0;
 580                         }
 581                 if (ok == -2)
 582                         {
 583                         BIO_printf(bio_err,"aborted!\n");
 584                         memset(buf,0,(unsigned int)bufsiz);
 585                         res = 0;
 586                         }
 587                 UI_free(ui);
 588                 OPENSSL_free(prompt);
 589                 }
 590         return res;
 591         }
 592
 593 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 594
 595 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 596 {
 597         int same;
 598         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 599         else same = 1;
 600         if(arg1) {
 601                 *pass1 = app_get_pass(err, arg1, same);
 602                 if(!*pass1) return 0;
 603         } else if(pass1) *pass1 = NULL;
 604         if(arg2) {
 605                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 606                 if(!*pass2) return 0;
 607         } else if(pass2) *pass2 = NULL;
 608         return 1;
 609 }
 610
 611 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 612 {
 613         char *tmp, tpass[APP_PASS_LEN];
 614         static BIO *pwdbio = NULL;
 615         int i;
 616         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 617         if(!strncmp(arg, "env:", 4)) {
 618                 tmp = getenv(arg + 4);
 619                 if(!tmp) {
 620                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 621                         return NULL;
 622                 }
 623                 return BUF_strdup(tmp);
 624         }
 625         if(!keepbio || !pwdbio) {
 626                 if(!strncmp(arg, "file:", 5)) {
 627                         pwdbio = BIO_new_file(arg + 5, "r");
 628                         if(!pwdbio) {
 629                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 630                                 return NULL;
 631                         }
 632                 } else if(!strncmp(arg, "fd:", 3)) {
 633                         BIO *btmp;
 634                         i = atoi(arg + 3);
 635                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 636                         if((i < 0) || !pwdbio) {
 637                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 638                                 return NULL;
 639                         }
 640                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 641                         btmp = BIO_new(BIO_f_buffer());
 642                         pwdbio = BIO_push(btmp, pwdbio);
 643                 } else if(!strcmp(arg, "stdin")) {
 644                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 645                         if(!pwdbio) {
 646                                 BIO_printf(err, "Can't open BIO for stdin\n");
 647                                 return NULL;
 648                         }
 649                 } else {
 650                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 651                         return NULL;
 652                 }
 653         }
 654         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 655         if(keepbio != 1) {
 656                 BIO_free_all(pwdbio);
 657                 pwdbio = NULL;
 658         }
 659         if(i <= 0) {
 660                 BIO_printf(err, "Error reading password from BIO\n");
 661                 return NULL;
 662         }
 663         tmp = strchr(tpass, '\n');
 664         if(tmp) *tmp = 0;
 665         return BUF_strdup(tpass);
 666 }
 667
 668 int add_oid_section(BIO *err, CONF *conf)
 669 {
 670         char *p;
 671         STACK_OF(CONF_VALUE) *sktmp;
 672         CONF_VALUE *cnf;
 673         int i;
 674         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 675                 {
 676                 ERR_clear_error();
 677                 return 1;
 678                 }
 679         if(!(sktmp = NCONF_get_section(conf, p))) {
 680                 BIO_printf(err, "problem loading oid section %s\n", p);
 681                 return 0;
 682         }
 683         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 684                 cnf = sk_CONF_VALUE_value(sktmp, i);
 685                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 686                         BIO_printf(err, "problem creating object %s=%s\n",
 687                                                          cnf->name, cnf->value);
 688                         return 0;
 689                 }
 690         }
 691         return 1;
 692 }
 693
 694 X509 *load_cert(BIO *err, const char *file, int format,
 695         const char *pass, ENGINE *e, const char *cert_descrip)
 696         {
 697         ASN1_HEADER *ah=NULL;
 698         BUF_MEM *buf=NULL;
 699         X509 *x=NULL;
 700         BIO *cert;
 701
 702         if ((cert=BIO_new(BIO_s_file())) == NULL)
 703                 {
 704                 ERR_print_errors(err);
 705                 goto end;
 706                 }
 707
 708         if (file == NULL)
 709                 {
 710                 setvbuf(stdin, NULL, _IONBF, 0);
 711                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 712                 }
 713         else
 714                 {
 715                 if (BIO_read_filename(cert,file) <= 0)
 716                         {
 717                         BIO_printf(err, "Error opening %s %s\n",
 718                                 cert_descrip, file);
 719                         ERR_print_errors(err);
 720                         goto end;
 721                         }
 722                 }
 723
 724         if      (format == FORMAT_ASN1)
 725                 x=d2i_X509_bio(cert,NULL);
 726         else if (format == FORMAT_NETSCAPE)
 727                 {
 728                 unsigned char *p,*op;
 729                 int size=0,i;
 730
 731                 /* We sort of have to do it this way because it is sort of nice
 732                  * to read the header first and check it, then
 733                  * try to read the certificate */
 734                 buf=BUF_MEM_new();
 735                 for (;;)
 736                         {
 737                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 738                                 goto end;
 739                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 740                         size+=i;
 741                         if (i == 0) break;
 742                         if (i < 0)
 743                                 {
 744                                 perror("reading certificate");
 745                                 goto end;
 746                                 }
 747                         }
 748                 p=(unsigned char *)buf->data;
 749                 op=p;
 750
 751                 /* First load the header */
 752                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 753                         goto end;
 754                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 755                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 756                         ah->header->length) != 0))
 757                         {
 758                         BIO_printf(err,"Error reading header on certificate\n");
 759                         goto end;
 760                         }
 761                 /* header is ok, so now read the object */
 762                 p=op;
 763                 ah->meth=X509_asn1_meth();
 764                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 765                         goto end;
 766                 x=(X509 *)ah->data;
 767                 ah->data=NULL;
 768                 }
 769         else if (format == FORMAT_PEM)
 770                 x=PEM_read_bio_X509_AUX(cert,NULL,
 771                         (pem_password_cb *)password_callback, NULL);
 772         else if (format == FORMAT_PKCS12)
 773                 {
 774                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
 775
 776                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
 777                 PKCS12_free(p12);
 778                 p12 = NULL;
 779                 }
 780         else    {
 781                 BIO_printf(err,"bad input format specified for %s\n",
 782                         cert_descrip);
 783                 goto end;
 784                 }
 785 end:
 786         if (x == NULL)
 787                 {
 788                 BIO_printf(err,"unable to load certificate\n");
 789                 ERR_print_errors(err);
 790                 }
 791         if (ah != NULL) ASN1_HEADER_free(ah);
 792         if (cert != NULL) BIO_free(cert);
 793         if (buf != NULL) BUF_MEM_free(buf);
 794         return(x);
 795         }
 796
 797 EVP_PKEY *load_key(BIO *err, const char *file, int format,
 798         const char *pass, ENGINE *e, const char *key_descrip)
 799         {
 800         BIO *key=NULL;
 801         EVP_PKEY *pkey=NULL;
 802         PW_CB_DATA cb_data;
 803
 804         cb_data.password = pass;
 805         cb_data.prompt_info = file;
 806
 807         if (file == NULL)
 808                 {
 809                 BIO_printf(err,"no keyfile specified\n");
 810                 goto end;
 811                 }
 812         if (format == FORMAT_ENGINE)
 813                 {
 814                 if (!e)
 815                         BIO_printf(bio_err,"no engine specified\n");
 816                 else
 817                         pkey = ENGINE_load_private_key(e, file,
 818                                 ui_method, &cb_data);
 819                 goto end;
 820                 }
 821         key=BIO_new(BIO_s_file());
 822         if (key == NULL)
 823                 {
 824                 ERR_print_errors(err);
 825                 goto end;
 826                 }
 827         if (BIO_read_filename(key,file) <= 0)
 828                 {
 829                 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
 830                 ERR_print_errors(err);
 831                 goto end;
 832                 }
 833         if (format == FORMAT_ASN1)
 834                 {
 835                 pkey=d2i_PrivateKey_bio(key, NULL);
 836                 }
 837         else if (format == FORMAT_PEM)
 838                 {
 839                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 840                         (pem_password_cb *)password_callback, &cb_data);
 841                 }
 842 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 843         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 844                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 845 #endif
 846         else if (format == FORMAT_PKCS12)
 847                 {
 848                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
 849
 850                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
 851                 PKCS12_free(p12);
 852                 p12 = NULL;
 853                 }
 854         else
 855                 {
 856                 BIO_printf(err,"bad input format specified for key file\n");
 857                 goto end;
 858                 }
 859  end:
 860         if (key != NULL) BIO_free(key);
 861         if (pkey == NULL)
 862                 BIO_printf(err,"unable to load %s\n", key_descrip);
 863         return(pkey);
 864         }
 865
 866 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format,
 867         const char *pass, ENGINE *e, const char *key_descrip)
 868         {
 869         BIO *key=NULL;
 870         EVP_PKEY *pkey=NULL;
 871         PW_CB_DATA cb_data;
 872
 873         cb_data.password = pass;
 874         cb_data.prompt_info = file;
 875
 876         if (file == NULL)
 877                 {
 878                 BIO_printf(err,"no keyfile specified\n");
 879                 goto end;
 880                 }
 881         if (format == FORMAT_ENGINE)
 882                 {
 883                 if (!e)
 884                         BIO_printf(bio_err,"no engine specified\n");
 885                 else
 886                         pkey = ENGINE_load_public_key(e, file,
 887                                 ui_method, &cb_data);
 888                 goto end;
 889                 }
 890         key=BIO_new(BIO_s_file());
 891         if (key == NULL)
 892                 {
 893                 ERR_print_errors(err);
 894                 goto end;
 895                 }
 896         if (BIO_read_filename(key,file) <= 0)
 897                 {
 898                 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
 899                 ERR_print_errors(err);
 900                 goto end;
 901                 }
 902         if (format == FORMAT_ASN1)
 903                 {
 904                 pkey=d2i_PUBKEY_bio(key, NULL);
 905                 }
 906         else if (format == FORMAT_PEM)
 907                 {
 908                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 909                         (pem_password_cb *)password_callback, &cb_data);
 910                 }
 911 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 912         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 913                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 914 #endif
 915         else
 916                 {
 917                 BIO_printf(err,"bad input format specified for key file\n");
 918                 goto end;
 919                 }
 920  end:
 921         if (key != NULL) BIO_free(key);
 922         if (pkey == NULL)
 923                 BIO_printf(err,"unable to load %s\n", key_descrip);
 924         return(pkey);
 925         }
 926
 927 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 928 static EVP_PKEY *
 929 load_netscape_key(BIO *err, BIO *key, const char *file,
 930                 const char *key_descrip, int format)
 931         {
 932         EVP_PKEY *pkey;
 933         BUF_MEM *buf;
 934         RSA     *rsa;
 935         const unsigned char *p;
 936         int size, i;
 937
 938         buf=BUF_MEM_new();
 939         pkey = EVP_PKEY_new();
 940         size = 0;
 941         if (buf == NULL || pkey == NULL)
 942                 goto error;
 943         for (;;)
 944                 {
 945                 if (!BUF_MEM_grow(buf,size+1024*10))
 946                         goto error;
 947                 i = BIO_read(key, &(buf->data[size]), 1024*10);
 948                 size += i;
 949                 if (i == 0)
 950                         break;
 951                 if (i < 0)
 952                         {
 953                                 BIO_printf(err, "Error reading %s %s",
 954                                         key_descrip, file);
 955                                 goto error;
 956                         }
 957                 }
 958         p=(unsigned char *)buf->data;
 959         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
 960                 (format == FORMAT_IISSGC ? 1 : 0));
 961         if (rsa == NULL)
 962                 goto error;
 963         BUF_MEM_free(buf);
 964         EVP_PKEY_set1_RSA(pkey, rsa);
 965         return pkey;
 966 error:
 967         BUF_MEM_free(buf);
 968         EVP_PKEY_free(pkey);
 969         return NULL;
 970         }
 971 #endif /* ndef OPENSSL_NO_RC4 */
 972
 973 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
 974         const char *pass, ENGINE *e, const char *cert_descrip)
 975         {
 976         BIO *certs;
 977         int i;
 978         STACK_OF(X509) *othercerts = NULL;
 979         STACK_OF(X509_INFO) *allcerts = NULL;
 980         X509_INFO *xi;
 981         PW_CB_DATA cb_data;
 982
 983         cb_data.password = pass;
 984         cb_data.prompt_info = file;
 985
 986         if((certs = BIO_new(BIO_s_file())) == NULL)
 987                 {
 988                 ERR_print_errors(err);
 989                 goto end;
 990                 }
 991
 992         if (file == NULL)
 993                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
 994         else
 995                 {
 996                 if (BIO_read_filename(certs,file) <= 0)
 997                         {
 998                         BIO_printf(err, "Error opening %s %s\n",
 999                                 cert_descrip, file);
1000                         ERR_print_errors(err);
1001                         goto end;
1002                         }
1003                 }
1004
1005         if      (format == FORMAT_PEM)
1006                 {
1007                 othercerts = sk_X509_new_null();
1008                 if(!othercerts)
1009                         {
1010                         sk_X509_free(othercerts);
1011                         othercerts = NULL;
1012                         goto end;
1013                         }
1014                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1015                                 (pem_password_cb *)password_callback, &cb_data);
1016                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1017                         {
1018                         xi = sk_X509_INFO_value (allcerts, i);
1019                         if (xi->x509)
1020                                 {
1021                                 sk_X509_push(othercerts, xi->x509);
1022                                 xi->x509 = NULL;
1023                                 }
1024                         }
1025                 goto end;
1026                 }
1027         else    {
1028                 BIO_printf(err,"bad input format specified for %s\n",
1029                         cert_descrip);
1030                 goto end;
1031                 }
1032 end:
1033         if (othercerts == NULL)
1034                 {
1035                 BIO_printf(err,"unable to load certificates\n");
1036                 ERR_print_errors(err);
1037                 }
1038         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1039         if (certs != NULL) BIO_free(certs);
1040         return(othercerts);
1041         }
1042
1043
1044 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1045 /* Return error for unknown extensions */
1046 #define X509V3_EXT_DEFAULT              0
1047 /* Print error for unknown extensions */
1048 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1049 /* ASN1 parse unknown extensions */
1050 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1051 /* BIO_dump unknown extensions */
1052 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1053
1054 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1055                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1056
1057 int set_cert_ex(unsigned long *flags, const char *arg)
1058 {
1059         static const NAME_EX_TBL cert_tbl[] = {
1060                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1061                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1062                 { "no_header", X509_FLAG_NO_HEADER, 0},
1063                 { "no_version", X509_FLAG_NO_VERSION, 0},
1064                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1065                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1066                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1067                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1068                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1069                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1070                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1071                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1072                 { "no_aux", X509_FLAG_NO_AUX, 0},
1073                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1074                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1075                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1076                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1077                 { NULL, 0, 0}
1078         };
1079         return set_multi_opts(flags, arg, cert_tbl);
1080 }
1081
1082 int set_name_ex(unsigned long *flags, const char *arg)
1083 {
1084         static const NAME_EX_TBL ex_tbl[] = {
1085                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1086                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1087                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1088                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1089                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1090                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1091                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1092                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1093                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1094                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1095                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1096                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1097                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1098                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1099                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1100                 { "dn_rev", XN_FLAG_DN_REV, 0},
1101                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1102                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1103                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1104                 { "align", XN_FLAG_FN_ALIGN, 0},
1105                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1106                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1107                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1108                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1109                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1110                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1111                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1112                 { NULL, 0, 0}
1113         };
1114         return set_multi_opts(flags, arg, ex_tbl);
1115 }
1116
1117 int set_ext_copy(int *copy_type, const char *arg)
1118 {
1119         if (!strcasecmp(arg, "none"))
1120                 *copy_type = EXT_COPY_NONE;
1121         else if (!strcasecmp(arg, "copy"))
1122                 *copy_type = EXT_COPY_ADD;
1123         else if (!strcasecmp(arg, "copyall"))
1124                 *copy_type = EXT_COPY_ALL;
1125         else
1126                 return 0;
1127         return 1;
1128 }
1129
1130 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1131 {
1132         STACK_OF(X509_EXTENSION) *exts = NULL;
1133         X509_EXTENSION *ext, *tmpext;
1134         ASN1_OBJECT *obj;
1135         int i, idx, ret = 0;
1136         if (!x || !req || (copy_type == EXT_COPY_NONE))
1137                 return 1;
1138         exts = X509_REQ_get_extensions(req);
1139
1140         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1141                 ext = sk_X509_EXTENSION_value(exts, i);
1142                 obj = X509_EXTENSION_get_object(ext);
1143                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1144                 /* Does extension exist? */
1145                 if (idx != -1) {
1146                         /* If normal copy don't override existing extension */
1147                         if (copy_type == EXT_COPY_ADD)
1148                                 continue;
1149                         /* Delete all extensions of same type */
1150                         do {
1151                                 tmpext = X509_get_ext(x, idx);
1152                                 X509_delete_ext(x, idx);
1153                                 X509_EXTENSION_free(tmpext);
1154                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1155                         } while (idx != -1);
1156                 }
1157                 if (!X509_add_ext(x, ext, -1))
1158                         goto end;
1159         }
1160
1161         ret = 1;
1162
1163         end:
1164
1165         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1166
1167         return ret;
1168 }
1169
1170
1171
1172
1173 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1174 {
1175         STACK_OF(CONF_VALUE) *vals;
1176         CONF_VALUE *val;
1177         int i, ret = 1;
1178         if(!arg) return 0;
1179         vals = X509V3_parse_list(arg);
1180         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1181                 val = sk_CONF_VALUE_value(vals, i);
1182                 if (!set_table_opts(flags, val->name, in_tbl))
1183                         ret = 0;
1184         }
1185         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1186         return ret;
1187 }
1188
1189 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1190 {
1191         char c;
1192         const NAME_EX_TBL *ptbl;
1193         c = arg[0];
1194
1195         if(c == '-') {
1196                 c = 0;
1197                 arg++;
1198         } else if (c == '+') {
1199                 c = 1;
1200                 arg++;
1201         } else c = 1;
1202
1203         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1204                 if(!strcasecmp(arg, ptbl->name)) {
1205                         *flags &= ~ptbl->mask;
1206                         if(c) *flags |= ptbl->flag;
1207                         else *flags &= ~ptbl->flag;
1208                         return 1;
1209                 }
1210         }
1211         return 0;
1212 }
1213
1214 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1215 {
1216         char buf[256];
1217         char mline = 0;
1218         int indent = 0;
1219         if(title) BIO_puts(out, title);
1220         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1221                 mline = 1;
1222                 indent = 4;
1223         }
1224         if(lflags == XN_FLAG_COMPAT) {
1225                 X509_NAME_oneline(nm,buf,256);
1226                 BIO_puts(out,buf);
1227                 BIO_puts(out, "\n");
1228         } else {
1229                 if(mline) BIO_puts(out, "\n");
1230                 X509_NAME_print_ex(out, nm, indent, lflags);
1231                 BIO_puts(out, "\n");
1232         }
1233 }
1234
1235 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1236 {
1237         X509_STORE *store;
1238         X509_LOOKUP *lookup;
1239         if(!(store = X509_STORE_new())) goto end;
1240         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1241         if (lookup == NULL) goto end;
1242         if (CAfile) {
1243                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1244                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1245                         goto end;
1246                 }
1247         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1248
1249         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1250         if (lookup == NULL) goto end;
1251         if (CApath) {
1252                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1253                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1254                         goto end;
1255                 }
1256         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1257
1258         ERR_clear_error();
1259         return store;
1260         end:
1261         X509_STORE_free(store);
1262         return NULL;
1263 }
1264
1265 /* Try to load an engine in a shareable library */
1266 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1267         {
1268         ENGINE *e = ENGINE_by_id("dynamic");
1269         if (e)
1270                 {
1271                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1272                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1273                         {
1274                         ENGINE_free(e);
1275                         e = NULL;
1276                         }
1277                 }
1278         return e;
1279         }
1280
1281 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1282         {
1283         ENGINE *e = NULL;
1284
1285         if (engine)
1286                 {
1287                 if(strcmp(engine, "auto") == 0)
1288                         {
1289                         BIO_printf(err,"enabling auto ENGINE support\n");
1290                         ENGINE_register_all_complete();
1291                         return NULL;
1292                         }
1293                 if((e = ENGINE_by_id(engine)) == NULL
1294                         && (e = try_load_engine(err, engine, debug)) == NULL)
1295                         {
1296                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1297                         ERR_print_errors(err);
1298                         return NULL;
1299                         }
1300                 if (debug)
1301                         {
1302                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1303                                 0, err, 0);
1304                         }
1305                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1306                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1307                         {
1308                         BIO_printf(err,"can't use that engine\n");
1309                         ERR_print_errors(err);
1310                         ENGINE_free(e);
1311                         return NULL;
1312                         }
1313
1314                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1315
1316                 /* Free our "structural" reference. */
1317                 ENGINE_free(e);
1318                 }
1319         return e;
1320         }
1321
1322 int load_config(BIO *err, CONF *cnf)
1323         {
1324         if (!cnf)
1325                 cnf = config;
1326         if (!cnf)
1327                 return 1;
1328
1329         OPENSSL_load_builtin_modules();
1330
1331         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1332                 {
1333                 BIO_printf(err, "Error configuring OpenSSL\n");
1334                 ERR_print_errors(err);
1335                 return 0;
1336                 }
1337         return 1;
1338         }