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