apps/apps.c

   1 /* apps/apps.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111
 112 #include <stdio.h>
 113 #include <stdlib.h>
 114 #include <string.h>
 115 #include <sys/types.h>
 116 #include <sys/stat.h>
 117 #include <ctype.h>
 118 #include <openssl/err.h>
 119 #include <openssl/x509.h>
 120 #include <openssl/x509v3.h>
 121 #include <openssl/pem.h>
 122 #include <openssl/pkcs12.h>
 123 #include <openssl/ui.h>
 124 #include <openssl/safestack.h>
 125 #ifndef OPENSSL_NO_ENGINE
 126 #include <openssl/engine.h>
 127 #endif
 128
 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 #define NON_MAIN
 140 #include "apps.h"
 141 #undef NON_MAIN
 142
 143 #ifdef OPENSSL_SYS_WINDOWS
 144 #  include "bss_file.c"
 145 #endif
 146
 147 typedef struct {
 148         char *name;
 149         unsigned long flag;
 150         unsigned long mask;
 151 } NAME_EX_TBL;
 152
 153 static UI_METHOD *ui_method = NULL;
 154
 155 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 156 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 157
 158 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 159 /* Looks like this stuff is worth moving into separate function */
 160 static EVP_PKEY *
 161 load_netscape_key(BIO *err, BIO *key, const char *file,
 162                 const char *key_descrip, int format);
 163 #endif
 164
 165 int app_init(long mesgwin);
 166 #ifdef undef /* never finished - probably never will be :-) */
 167 int args_from_file(char *file, int *argc, char **argv[])
 168         {
 169         FILE *fp;
 170         int num,i;
 171         unsigned int len;
 172         static char *buf=NULL;
 173         static char **arg=NULL;
 174         char *p;
 175         struct stat stbuf;
 176
 177         if (stat(file,&stbuf) < 0) return(0);
 178
 179         fp=fopen(file,"r");
 180         if (fp == NULL)
 181                 return(0);
 182
 183         *argc=0;
 184         *argv=NULL;
 185
 186         len=(unsigned int)stbuf.st_size;
 187         if (buf != NULL) OPENSSL_free(buf);
 188         buf=(char *)OPENSSL_malloc(len+1);
 189         if (buf == NULL) return(0);
 190
 191         len=fread(buf,1,len,fp);
 192         if (len <= 1) return(0);
 193         buf[len]='\0';
 194
 195         i=0;
 196         for (p=buf; *p; p++)
 197                 if (*p == '\n') i++;
 198         if (arg != NULL) OPENSSL_free(arg);
 199         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 200
 201         *argv=arg;
 202         num=0;
 203         p=buf;
 204         for (;;)
 205                 {
 206                 if (!*p) break;
 207                 if (*p == '#') /* comment line */
 208                         {
 209                         while (*p && (*p != '\n')) p++;
 210                         continue;
 211                         }
 212                 /* else we have a line */
 213                 *(arg++)=p;
 214                 num++;
 215                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 216                         p++;
 217                 if (!*p) break;
 218                 if (*p == '\n')
 219                         {
 220                         *(p++)='\0';
 221                         continue;
 222                         }
 223                 /* else it is a tab or space */
 224                 p++;
 225                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 226                         p++;
 227                 if (!*p) break;
 228                 if (*p == '\n')
 229                         {
 230                         p++;
 231                         continue;
 232                         }
 233                 *(arg++)=p++;
 234                 num++;
 235                 while (*p && (*p != '\n')) p++;
 236                 if (!*p) break;
 237                 /* else *p == '\n' */
 238                 *(p++)='\0';
 239                 }
 240         *argc=num;
 241         return(1);
 242         }
 243 #endif
 244
 245 int str2fmt(char *s)
 246         {
 247         if      ((*s == 'D') || (*s == 'd'))
 248                 return(FORMAT_ASN1);
 249         else if ((*s == 'T') || (*s == 't'))
 250                 return(FORMAT_TEXT);
 251         else if ((*s == 'P') || (*s == 'p'))
 252                 return(FORMAT_PEM);
 253         else if ((*s == 'N') || (*s == 'n'))
 254                 return(FORMAT_NETSCAPE);
 255         else if ((*s == 'S') || (*s == 's'))
 256                 return(FORMAT_SMIME);
 257         else if ((*s == '1')
 258                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 259                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 260                 return(FORMAT_PKCS12);
 261         else if ((*s == 'E') || (*s == 'e'))
 262                 return(FORMAT_ENGINE);
 263         else
 264                 return(FORMAT_UNDEF);
 265         }
 266
 267 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
 268 void program_name(char *in, char *out, int size)
 269         {
 270         int i,n;
 271         char *p=NULL;
 272
 273         n=strlen(in);
 274         /* find the last '/', '\' or ':' */
 275         for (i=n-1; i>0; i--)
 276                 {
 277                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 278                         {
 279                         p= &(in[i+1]);
 280                         break;
 281                         }
 282                 }
 283         if (p == NULL)
 284                 p=in;
 285         n=strlen(p);
 286         /* strip off trailing .exe if present. */
 287         if ((n > 4) && (p[n-4] == '.') &&
 288                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 289                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 290                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 291                 n-=4;
 292         if (n > size-1)
 293                 n=size-1;
 294
 295         for (i=0; i<n; i++)
 296                 {
 297                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 298                         out[i]=p[i]-'A'+'a';
 299                 else
 300                         out[i]=p[i];
 301                 }
 302         out[n]='\0';
 303         }
 304 #else
 305 #ifdef OPENSSL_SYS_VMS
 306 void program_name(char *in, char *out, int size)
 307         {
 308         char *p=in, *q;
 309         char *chars=":]>";
 310
 311         while(*chars != '\0')
 312                 {
 313                 q=strrchr(p,*chars);
 314                 if (q > p)
 315                         p = q + 1;
 316                 chars++;
 317                 }
 318
 319         q=strrchr(p,'.');
 320         if (q == NULL)
 321                 q = p + strlen(p);
 322         strncpy(out,p,size-1);
 323         if (q-p >= size)
 324                 {
 325                 out[size-1]='\0';
 326                 }
 327         else
 328                 {
 329                 out[q-p]='\0';
 330                 }
 331         }
 332 #else
 333 void program_name(char *in, char *out, int size)
 334         {
 335         char *p;
 336
 337         p=strrchr(in,'/');
 338         if (p != NULL)
 339                 p++;
 340         else
 341                 p=in;
 342         BUF_strlcpy(out,p,size);
 343         }
 344 #endif
 345 #endif
 346
 347 #ifdef OPENSSL_SYS_WIN32
 348 int WIN32_rename(char *from, char *to)
 349         {
 350 #ifndef OPENSSL_SYS_WINCE
 351         /* Windows rename gives an error if 'to' exists, so delete it
 352          * first and ignore file not found errror
 353          */
 354         if((remove(to) != 0) && (errno != ENOENT))
 355                 return -1;
 356 #undef rename
 357         return rename(from, to);
 358 #else
 359         /* convert strings to UNICODE */
 360         {
 361         BOOL result = FALSE;
 362         WCHAR* wfrom;
 363         WCHAR* wto;
 364         int i;
 365         wfrom = malloc((strlen(from)+1)*2);
 366         wto = malloc((strlen(to)+1)*2);
 367         if (wfrom != NULL && wto != NULL)
 368                 {
 369                 for (i=0; i<(int)strlen(from)+1; i++)
 370                         wfrom[i] = (short)from[i];
 371                 for (i=0; i<(int)strlen(to)+1; i++)
 372                         wto[i] = (short)to[i];
 373                 result = MoveFile(wfrom, wto);
 374                 }
 375         if (wfrom != NULL)
 376                 free(wfrom);
 377         if (wto != NULL)
 378                 free(wto);
 379         return result;
 380         }
 381 #endif
 382         }
 383 #endif
 384
 385 #ifdef OPENSSL_SYS_VMS
 386 int VMS_strcasecmp(const char *str1, const char *str2)
 387         {
 388         while (*str1 && *str2)
 389                 {
 390                 int res = toupper(*str1) - toupper(*str2);
 391                 if (res) return res < 0 ? -1 : 1;
 392                 }
 393         if (*str1)
 394                 return 1;
 395         if (*str2)
 396                 return -1;
 397         return 0;
 398         }
 399 #endif
 400
 401 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 402         {
 403         int num,len,i;
 404         char *p;
 405
 406         *argc=0;
 407         *argv=NULL;
 408
 409         len=strlen(buf);
 410         i=0;
 411         if (arg->count == 0)
 412                 {
 413                 arg->count=20;
 414                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 415                 }
 416         for (i=0; i<arg->count; i++)
 417                 arg->data[i]=NULL;
 418
 419         num=0;
 420         p=buf;
 421         for (;;)
 422                 {
 423                 /* first scan over white space */
 424                 if (!*p) break;
 425                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 426                         p++;
 427                 if (!*p) break;
 428
 429                 /* The start of something good :-) */
 430                 if (num >= arg->count)
 431                         {
 432                         arg->count+=20;
 433                         arg->data=(char **)OPENSSL_realloc(arg->data,
 434                                 sizeof(char *)*arg->count);
 435                         if (argc == 0) return(0);
 436                         }
 437                 arg->data[num++]=p;
 438
 439                 /* now look for the end of this */
 440                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 441                         {
 442                         i= *(p++);
 443                         arg->data[num-1]++; /* jump over quote */
 444                         while (*p && (*p != i))
 445                                 p++;
 446                         *p='\0';
 447                         }
 448                 else
 449                         {
 450                         while (*p && ((*p != ' ') &&
 451                                 (*p != '\t') && (*p != '\n')))
 452                                 p++;
 453
 454                         if (*p == '\0')
 455                                 p--;
 456                         else
 457                                 *p='\0';
 458                         }
 459                 p++;
 460                 }
 461         *argc=num;
 462         *argv=arg->data;
 463         return(1);
 464         }
 465
 466 #ifndef APP_INIT
 467 int app_init(long mesgwin)
 468         {
 469         return(1);
 470         }
 471 #endif
 472
 473
 474 int dump_cert_text (BIO *out, X509 *x)
 475 {
 476         char *p;
 477
 478         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 479         BIO_puts(out,"subject=");
 480         BIO_puts(out,p);
 481         OPENSSL_free(p);
 482
 483         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 484         BIO_puts(out,"\nissuer=");
 485         BIO_puts(out,p);
 486         BIO_puts(out,"\n");
 487         OPENSSL_free(p);
 488
 489         return 0;
 490 }
 491
 492 static int ui_open(UI *ui)
 493         {
 494         return UI_method_get_opener(UI_OpenSSL())(ui);
 495         }
 496 static int ui_read(UI *ui, UI_STRING *uis)
 497         {
 498         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 499                 && UI_get0_user_data(ui))
 500                 {
 501                 switch(UI_get_string_type(uis))
 502                         {
 503                 case UIT_PROMPT:
 504                 case UIT_VERIFY:
 505                         {
 506                         const char *password =
 507                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 508                         if (password[0] != '\0')
 509                                 {
 510                                 UI_set_result(ui, uis, password);
 511                                 return 1;
 512                                 }
 513                         }
 514                 default:
 515                         break;
 516                         }
 517                 }
 518         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 519         }
 520 static int ui_write(UI *ui, UI_STRING *uis)
 521         {
 522         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 523                 && UI_get0_user_data(ui))
 524                 {
 525                 switch(UI_get_string_type(uis))
 526                         {
 527                 case UIT_PROMPT:
 528                 case UIT_VERIFY:
 529                         {
 530                         const char *password =
 531                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 532                         if (password[0] != '\0')
 533                                 return 1;
 534                         }
 535                 default:
 536                         break;
 537                         }
 538                 }
 539         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 540         }
 541 static int ui_close(UI *ui)
 542         {
 543         return UI_method_get_closer(UI_OpenSSL())(ui);
 544         }
 545 int setup_ui_method(void)
 546         {
 547         ui_method = UI_create_method("OpenSSL application user interface");
 548         UI_method_set_opener(ui_method, ui_open);
 549         UI_method_set_reader(ui_method, ui_read);
 550         UI_method_set_writer(ui_method, ui_write);
 551         UI_method_set_closer(ui_method, ui_close);
 552         return 0;
 553         }
 554 void destroy_ui_method(void)
 555         {
 556         if(ui_method)
 557                 {
 558                 UI_destroy_method(ui_method);
 559                 ui_method = NULL;
 560                 }
 561         }
 562 int password_callback(char *buf, int bufsiz, int verify,
 563         PW_CB_DATA *cb_tmp)
 564         {
 565         UI *ui = NULL;
 566         int res = 0;
 567         const char *prompt_info = NULL;
 568         const char *password = NULL;
 569         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 570
 571         if (cb_data)
 572                 {
 573                 if (cb_data->password)
 574                         password = cb_data->password;
 575                 if (cb_data->prompt_info)
 576                         prompt_info = cb_data->prompt_info;
 577                 }
 578
 579         if (password)
 580                 {
 581                 res = strlen(password);
 582                 if (res > bufsiz)
 583                         res = bufsiz;
 584                 memcpy(buf, password, res);
 585                 return res;
 586                 }
 587
 588         ui = UI_new_method(ui_method);
 589         if (ui)
 590                 {
 591                 int ok = 0;
 592                 char *buff = NULL;
 593                 int ui_flags = 0;
 594                 char *prompt = NULL;
 595
 596                 prompt = UI_construct_prompt(ui, "pass phrase",
 597                         cb_data->prompt_info);
 598
 599                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 600                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 601
 602                 if (ok >= 0)
 603                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 604                                 PW_MIN_LENGTH,BUFSIZ-1);
 605                 if (ok >= 0 && verify)
 606                         {
 607                         buff = (char *)OPENSSL_malloc(bufsiz);
 608                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 609                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 610                         }
 611                 if (ok >= 0)
 612                         do
 613                                 {
 614                                 ok = UI_process(ui);
 615                                 }
 616                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 617
 618                 if (buff)
 619                         {
 620                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 621                         OPENSSL_free(buff);
 622                         }
 623
 624                 if (ok >= 0)
 625                         res = strlen(buf);
 626                 if (ok == -1)
 627                         {
 628                         BIO_printf(bio_err, "User interface error\n");
 629                         ERR_print_errors(bio_err);
 630                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 631                         res = 0;
 632                         }
 633                 if (ok == -2)
 634                         {
 635                         BIO_printf(bio_err,"aborted!\n");
 636                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 637                         res = 0;
 638                         }
 639                 UI_free(ui);
 640                 OPENSSL_free(prompt);
 641                 }
 642         return res;
 643         }
 644
 645 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 646
 647 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 648 {
 649         int same;
 650         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 651         else same = 1;
 652         if(arg1) {
 653                 *pass1 = app_get_pass(err, arg1, same);
 654                 if(!*pass1) return 0;
 655         } else if(pass1) *pass1 = NULL;
 656         if(arg2) {
 657                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 658                 if(!*pass2) return 0;
 659         } else if(pass2) *pass2 = NULL;
 660         return 1;
 661 }
 662
 663 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 664 {
 665         char *tmp, tpass[APP_PASS_LEN];
 666         static BIO *pwdbio = NULL;
 667         int i;
 668         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 669         if(!strncmp(arg, "env:", 4)) {
 670                 tmp = getenv(arg + 4);
 671                 if(!tmp) {
 672                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 673                         return NULL;
 674                 }
 675                 return BUF_strdup(tmp);
 676         }
 677         if(!keepbio || !pwdbio) {
 678                 if(!strncmp(arg, "file:", 5)) {
 679                         pwdbio = BIO_new_file(arg + 5, "r");
 680                         if(!pwdbio) {
 681                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 682                                 return NULL;
 683                         }
 684                 } else if(!strncmp(arg, "fd:", 3)) {
 685                         BIO *btmp;
 686                         i = atoi(arg + 3);
 687                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 688                         if((i < 0) || !pwdbio) {
 689                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 690                                 return NULL;
 691                         }
 692                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 693                         btmp = BIO_new(BIO_f_buffer());
 694                         pwdbio = BIO_push(btmp, pwdbio);
 695                 } else if(!strcmp(arg, "stdin")) {
 696                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 697                         if(!pwdbio) {
 698                                 BIO_printf(err, "Can't open BIO for stdin\n");
 699                                 return NULL;
 700                         }
 701                 } else {
 702                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 703                         return NULL;
 704                 }
 705         }
 706         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 707         if(keepbio != 1) {
 708                 BIO_free_all(pwdbio);
 709                 pwdbio = NULL;
 710         }
 711         if(i <= 0) {
 712                 BIO_printf(err, "Error reading password from BIO\n");
 713                 return NULL;
 714         }
 715         tmp = strchr(tpass, '\n');
 716         if(tmp) *tmp = 0;
 717         return BUF_strdup(tpass);
 718 }
 719
 720 int add_oid_section(BIO *err, CONF *conf)
 721 {
 722         char *p;
 723         STACK_OF(CONF_VALUE) *sktmp;
 724         CONF_VALUE *cnf;
 725         int i;
 726         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 727                 {
 728                 ERR_clear_error();
 729                 return 1;
 730                 }
 731         if(!(sktmp = NCONF_get_section(conf, p))) {
 732                 BIO_printf(err, "problem loading oid section %s\n", p);
 733                 return 0;
 734         }
 735         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 736                 cnf = sk_CONF_VALUE_value(sktmp, i);
 737                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 738                         BIO_printf(err, "problem creating object %s=%s\n",
 739                                                          cnf->name, cnf->value);
 740                         return 0;
 741                 }
 742         }
 743         return 1;
 744 }
 745
 746 X509 *load_cert(BIO *err, const char *file, int format,
 747         const char *pass, ENGINE *e, const char *cert_descrip)
 748         {
 749         ASN1_HEADER *ah=NULL;
 750         BUF_MEM *buf=NULL;
 751         X509 *x=NULL;
 752         BIO *cert;
 753
 754         if ((cert=BIO_new(BIO_s_file())) == NULL)
 755                 {
 756                 ERR_print_errors(err);
 757                 goto end;
 758                 }
 759
 760         if (file == NULL)
 761                 {
 762                 setvbuf(stdin, NULL, _IONBF, 0);
 763                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 764                 }
 765         else
 766                 {
 767                 if (BIO_read_filename(cert,file) <= 0)
 768                         {
 769                         BIO_printf(err, "Error opening %s %s\n",
 770                                 cert_descrip, file);
 771                         ERR_print_errors(err);
 772                         goto end;
 773                         }
 774                 }
 775
 776         if      (format == FORMAT_ASN1)
 777                 x=d2i_X509_bio(cert,NULL);
 778         else if (format == FORMAT_NETSCAPE)
 779                 {
 780                 unsigned char *p,*op;
 781                 int size=0,i;
 782
 783                 /* We sort of have to do it this way because it is sort of nice
 784                  * to read the header first and check it, then
 785                  * try to read the certificate */
 786                 buf=BUF_MEM_new();
 787                 for (;;)
 788                         {
 789                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 790                                 goto end;
 791                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 792                         size+=i;
 793                         if (i == 0) break;
 794                         if (i < 0)
 795                                 {
 796                                 perror("reading certificate");
 797                                 goto end;
 798                                 }
 799                         }
 800                 p=(unsigned char *)buf->data;
 801                 op=p;
 802
 803                 /* First load the header */
 804                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 805                         goto end;
 806                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 807                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 808                         ah->header->length) != 0))
 809                         {
 810                         BIO_printf(err,"Error reading header on certificate\n");
 811                         goto end;
 812                         }
 813                 /* header is ok, so now read the object */
 814                 p=op;
 815                 ah->meth=X509_asn1_meth();
 816                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 817                         goto end;
 818                 x=(X509 *)ah->data;
 819                 ah->data=NULL;
 820                 }
 821         else if (format == FORMAT_PEM)
 822                 x=PEM_read_bio_X509_AUX(cert,NULL,
 823                         (pem_password_cb *)password_callback, NULL);
 824         else if (format == FORMAT_PKCS12)
 825                 {
 826                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
 827
 828                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
 829                 PKCS12_free(p12);
 830                 p12 = NULL;
 831                 }
 832         else    {
 833                 BIO_printf(err,"bad input format specified for %s\n",
 834                         cert_descrip);
 835                 goto end;
 836                 }
 837 end:
 838         if (x == NULL)
 839                 {
 840                 BIO_printf(err,"unable to load certificate\n");
 841                 ERR_print_errors(err);
 842                 }
 843         if (ah != NULL) ASN1_HEADER_free(ah);
 844         if (cert != NULL) BIO_free(cert);
 845         if (buf != NULL) BUF_MEM_free(buf);
 846         return(x);
 847         }
 848
 849 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 850         const char *pass, ENGINE *e, const char *key_descrip)
 851         {
 852         BIO *key=NULL;
 853         EVP_PKEY *pkey=NULL;
 854         PW_CB_DATA cb_data;
 855
 856         cb_data.password = pass;
 857         cb_data.prompt_info = file;
 858
 859         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 860                 {
 861                 BIO_printf(err,"no keyfile specified\n");
 862                 goto end;
 863                 }
 864 #ifndef OPENSSL_NO_ENGINE
 865         if (format == FORMAT_ENGINE)
 866                 {
 867                 if (!e)
 868                         BIO_printf(bio_err,"no engine specified\n");
 869                 else
 870                         pkey = ENGINE_load_private_key(e, file,
 871                                 ui_method, &cb_data);
 872                 goto end;
 873                 }
 874 #endif
 875         key=BIO_new(BIO_s_file());
 876         if (key == NULL)
 877                 {
 878                 ERR_print_errors(err);
 879                 goto end;
 880                 }
 881         if (file == NULL && maybe_stdin)
 882                 {
 883                 setvbuf(stdin, NULL, _IONBF, 0);
 884                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 885                 }
 886         else
 887                 if (BIO_read_filename(key,file) <= 0)
 888                         {
 889                         BIO_printf(err, "Error opening %s %s\n",
 890                                 key_descrip, file);
 891                         ERR_print_errors(err);
 892                         goto end;
 893                         }
 894         if (format == FORMAT_ASN1)
 895                 {
 896                 pkey=d2i_PrivateKey_bio(key, NULL);
 897                 }
 898         else if (format == FORMAT_PEM)
 899                 {
 900                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 901                         (pem_password_cb *)password_callback, &cb_data);
 902                 }
 903 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 904         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 905                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 906 #endif
 907         else if (format == FORMAT_PKCS12)
 908                 {
 909                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
 910
 911                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
 912                 PKCS12_free(p12);
 913                 p12 = NULL;
 914                 }
 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 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 928         const char *pass, ENGINE *e, const char *key_descrip)
 929         {
 930         BIO *key=NULL;
 931         EVP_PKEY *pkey=NULL;
 932         PW_CB_DATA cb_data;
 933
 934         cb_data.password = pass;
 935         cb_data.prompt_info = file;
 936
 937         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 938                 {
 939                 BIO_printf(err,"no keyfile specified\n");
 940                 goto end;
 941                 }
 942 #ifndef OPENSSL_NO_ENGINE
 943         if (format == FORMAT_ENGINE)
 944                 {
 945                 if (!e)
 946                         BIO_printf(bio_err,"no engine specified\n");
 947                 else
 948                         pkey = ENGINE_load_public_key(e, file,
 949                                 ui_method, &cb_data);
 950                 goto end;
 951                 }
 952 #endif
 953         key=BIO_new(BIO_s_file());
 954         if (key == NULL)
 955                 {
 956                 ERR_print_errors(err);
 957                 goto end;
 958                 }
 959         if (file == NULL && maybe_stdin)
 960                 {
 961                 setvbuf(stdin, NULL, _IONBF, 0);
 962                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 963                 }
 964         else
 965                 if (BIO_read_filename(key,file) <= 0)
 966                         {
 967                         BIO_printf(err, "Error opening %s %s\n",
 968                                 key_descrip, file);
 969                         ERR_print_errors(err);
 970                         goto end;
 971                 }
 972         if (format == FORMAT_ASN1)
 973                 {
 974                 pkey=d2i_PUBKEY_bio(key, NULL);
 975                 }
 976         else if (format == FORMAT_PEM)
 977                 {
 978                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 979                         (pem_password_cb *)password_callback, &cb_data);
 980                 }
 981 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 982         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 983                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 984 #endif
 985         else
 986                 {
 987                 BIO_printf(err,"bad input format specified for key file\n");
 988                 goto end;
 989                 }
 990  end:
 991         if (key != NULL) BIO_free(key);
 992         if (pkey == NULL)
 993                 BIO_printf(err,"unable to load %s\n", key_descrip);
 994         return(pkey);
 995         }
 996
 997 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 998 static EVP_PKEY *
 999 load_netscape_key(BIO *err, BIO *key, const char *file,
1000                 const char *key_descrip, int format)
1001         {
1002         EVP_PKEY *pkey;
1003         BUF_MEM *buf;
1004         RSA     *rsa;
1005         const unsigned char *p;
1006         int size, i;
1007
1008         buf=BUF_MEM_new();
1009         pkey = EVP_PKEY_new();
1010         size = 0;
1011         if (buf == NULL || pkey == NULL)
1012                 goto error;
1013         for (;;)
1014                 {
1015                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1016                         goto error;
1017                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1018                 size += i;
1019                 if (i == 0)
1020                         break;
1021                 if (i < 0)
1022                         {
1023                                 BIO_printf(err, "Error reading %s %s",
1024                                         key_descrip, file);
1025                                 goto error;
1026                         }
1027                 }
1028         p=(unsigned char *)buf->data;
1029         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1030                 (format == FORMAT_IISSGC ? 1 : 0));
1031         if (rsa == NULL)
1032                 goto error;
1033         BUF_MEM_free(buf);
1034         EVP_PKEY_set1_RSA(pkey, rsa);
1035         return pkey;
1036 error:
1037         BUF_MEM_free(buf);
1038         EVP_PKEY_free(pkey);
1039         return NULL;
1040         }
1041 #endif /* ndef OPENSSL_NO_RC4 */
1042
1043 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1044         const char *pass, ENGINE *e, const char *cert_descrip)
1045         {
1046         BIO *certs;
1047         int i;
1048         STACK_OF(X509) *othercerts = NULL;
1049         STACK_OF(X509_INFO) *allcerts = NULL;
1050         X509_INFO *xi;
1051         PW_CB_DATA cb_data;
1052
1053         cb_data.password = pass;
1054         cb_data.prompt_info = file;
1055
1056         if((certs = BIO_new(BIO_s_file())) == NULL)
1057                 {
1058                 ERR_print_errors(err);
1059                 goto end;
1060                 }
1061
1062         if (file == NULL)
1063                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1064         else
1065                 {
1066                 if (BIO_read_filename(certs,file) <= 0)
1067                         {
1068                         BIO_printf(err, "Error opening %s %s\n",
1069                                 cert_descrip, file);
1070                         ERR_print_errors(err);
1071                         goto end;
1072                         }
1073                 }
1074
1075         if      (format == FORMAT_PEM)
1076                 {
1077                 othercerts = sk_X509_new_null();
1078                 if(!othercerts)
1079                         {
1080                         sk_X509_free(othercerts);
1081                         othercerts = NULL;
1082                         goto end;
1083                         }
1084                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1085                                 (pem_password_cb *)password_callback, &cb_data);
1086                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1087                         {
1088                         xi = sk_X509_INFO_value (allcerts, i);
1089                         if (xi->x509)
1090                                 {
1091                                 sk_X509_push(othercerts, xi->x509);
1092                                 xi->x509 = NULL;
1093                                 }
1094                         }
1095                 goto end;
1096                 }
1097         else    {
1098                 BIO_printf(err,"bad input format specified for %s\n",
1099                         cert_descrip);
1100                 goto end;
1101                 }
1102 end:
1103         if (othercerts == NULL)
1104                 {
1105                 BIO_printf(err,"unable to load certificates\n");
1106                 ERR_print_errors(err);
1107                 }
1108         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1109         if (certs != NULL) BIO_free(certs);
1110         return(othercerts);
1111         }
1112
1113
1114 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1115 /* Return error for unknown extensions */
1116 #define X509V3_EXT_DEFAULT              0
1117 /* Print error for unknown extensions */
1118 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1119 /* ASN1 parse unknown extensions */
1120 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1121 /* BIO_dump unknown extensions */
1122 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1123
1124 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1125                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1126
1127 int set_cert_ex(unsigned long *flags, const char *arg)
1128 {
1129         static const NAME_EX_TBL cert_tbl[] = {
1130                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1131                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1132                 { "no_header", X509_FLAG_NO_HEADER, 0},
1133                 { "no_version", X509_FLAG_NO_VERSION, 0},
1134                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1135                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1136                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1137                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1138                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1139                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1140                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1141                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1142                 { "no_aux", X509_FLAG_NO_AUX, 0},
1143                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1144                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1145                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1146                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1147                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1148                 { NULL, 0, 0}
1149         };
1150         return set_multi_opts(flags, arg, cert_tbl);
1151 }
1152
1153 int set_name_ex(unsigned long *flags, const char *arg)
1154 {
1155         static const NAME_EX_TBL ex_tbl[] = {
1156                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1157                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1158                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1159                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1160                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1161                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1162                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1163                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1164                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1165                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1166                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1167                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1168                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1169                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1170                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1171                 { "dn_rev", XN_FLAG_DN_REV, 0},
1172                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1173                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1174                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1175                 { "align", XN_FLAG_FN_ALIGN, 0},
1176                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1177                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1178                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1179                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1180                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1181                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1182                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1183                 { NULL, 0, 0}
1184         };
1185         return set_multi_opts(flags, arg, ex_tbl);
1186 }
1187
1188 int set_ext_copy(int *copy_type, const char *arg)
1189 {
1190         if (!strcasecmp(arg, "none"))
1191                 *copy_type = EXT_COPY_NONE;
1192         else if (!strcasecmp(arg, "copy"))
1193                 *copy_type = EXT_COPY_ADD;
1194         else if (!strcasecmp(arg, "copyall"))
1195                 *copy_type = EXT_COPY_ALL;
1196         else
1197                 return 0;
1198         return 1;
1199 }
1200
1201 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1202 {
1203         STACK_OF(X509_EXTENSION) *exts = NULL;
1204         X509_EXTENSION *ext, *tmpext;
1205         ASN1_OBJECT *obj;
1206         int i, idx, ret = 0;
1207         if (!x || !req || (copy_type == EXT_COPY_NONE))
1208                 return 1;
1209         exts = X509_REQ_get_extensions(req);
1210
1211         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1212                 ext = sk_X509_EXTENSION_value(exts, i);
1213                 obj = X509_EXTENSION_get_object(ext);
1214                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1215                 /* Does extension exist? */
1216                 if (idx != -1) {
1217                         /* If normal copy don't override existing extension */
1218                         if (copy_type == EXT_COPY_ADD)
1219                                 continue;
1220                         /* Delete all extensions of same type */
1221                         do {
1222                                 tmpext = X509_get_ext(x, idx);
1223                                 X509_delete_ext(x, idx);
1224                                 X509_EXTENSION_free(tmpext);
1225                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1226                         } while (idx != -1);
1227                 }
1228                 if (!X509_add_ext(x, ext, -1))
1229                         goto end;
1230         }
1231
1232         ret = 1;
1233
1234         end:
1235
1236         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1237
1238         return ret;
1239 }
1240
1241
1242
1243
1244 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1245 {
1246         STACK_OF(CONF_VALUE) *vals;
1247         CONF_VALUE *val;
1248         int i, ret = 1;
1249         if(!arg) return 0;
1250         vals = X509V3_parse_list(arg);
1251         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1252                 val = sk_CONF_VALUE_value(vals, i);
1253                 if (!set_table_opts(flags, val->name, in_tbl))
1254                         ret = 0;
1255         }
1256         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1257         return ret;
1258 }
1259
1260 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1261 {
1262         char c;
1263         const NAME_EX_TBL *ptbl;
1264         c = arg[0];
1265
1266         if(c == '-') {
1267                 c = 0;
1268                 arg++;
1269         } else if (c == '+') {
1270                 c = 1;
1271                 arg++;
1272         } else c = 1;
1273
1274         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1275                 if(!strcasecmp(arg, ptbl->name)) {
1276                         *flags &= ~ptbl->mask;
1277                         if(c) *flags |= ptbl->flag;
1278                         else *flags &= ~ptbl->flag;
1279                         return 1;
1280                 }
1281         }
1282         return 0;
1283 }
1284
1285 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1286 {
1287         char *buf;
1288         char mline = 0;
1289         int indent = 0;
1290
1291         if(title) BIO_puts(out, title);
1292         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1293                 mline = 1;
1294                 indent = 4;
1295         }
1296         if(lflags == XN_FLAG_COMPAT) {
1297                 buf = X509_NAME_oneline(nm, 0, 0);
1298                 BIO_puts(out, buf);
1299                 BIO_puts(out, "\n");
1300                 OPENSSL_free(buf);
1301         } else {
1302                 if(mline) BIO_puts(out, "\n");
1303                 X509_NAME_print_ex(out, nm, indent, lflags);
1304                 BIO_puts(out, "\n");
1305         }
1306 }
1307
1308 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1309 {
1310         X509_STORE *store;
1311         X509_LOOKUP *lookup;
1312         if(!(store = X509_STORE_new())) goto end;
1313         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1314         if (lookup == NULL) goto end;
1315         if (CAfile) {
1316                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1317                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1318                         goto end;
1319                 }
1320         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1321
1322         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1323         if (lookup == NULL) goto end;
1324         if (CApath) {
1325                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1326                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1327                         goto end;
1328                 }
1329         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1330
1331         ERR_clear_error();
1332         return store;
1333         end:
1334         X509_STORE_free(store);
1335         return NULL;
1336 }
1337
1338 #ifndef OPENSSL_NO_ENGINE
1339 /* Try to load an engine in a shareable library */
1340 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1341         {
1342         ENGINE *e = ENGINE_by_id("dynamic");
1343         if (e)
1344                 {
1345                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1346                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1347                         {
1348                         ENGINE_free(e);
1349                         e = NULL;
1350                         }
1351                 }
1352         return e;
1353         }
1354
1355 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1356         {
1357         ENGINE *e = NULL;
1358
1359         if (engine)
1360                 {
1361                 if(strcmp(engine, "auto") == 0)
1362                         {
1363                         BIO_printf(err,"enabling auto ENGINE support\n");
1364                         ENGINE_register_all_complete();
1365                         return NULL;
1366                         }
1367                 if((e = ENGINE_by_id(engine)) == NULL
1368                         && (e = try_load_engine(err, engine, debug)) == NULL)
1369                         {
1370                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1371                         ERR_print_errors(err);
1372                         return NULL;
1373                         }
1374                 if (debug)
1375                         {
1376                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1377                                 0, err, 0);
1378                         }
1379                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1380                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1381                         {
1382                         BIO_printf(err,"can't use that engine\n");
1383                         ERR_print_errors(err);
1384                         ENGINE_free(e);
1385                         return NULL;
1386                         }
1387
1388                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1389
1390                 /* Free our "structural" reference. */
1391                 ENGINE_free(e);
1392                 }
1393         return e;
1394         }
1395 #endif
1396
1397 int load_config(BIO *err, CONF *cnf)
1398         {
1399         if (!cnf)
1400                 cnf = config;
1401         if (!cnf)
1402                 return 1;
1403
1404         OPENSSL_load_builtin_modules();
1405
1406         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1407                 {
1408                 BIO_printf(err, "Error configuring OpenSSL\n");
1409                 ERR_print_errors(err);
1410                 return 0;
1411                 }
1412         return 1;
1413         }
1414
1415 char *make_config_name()
1416         {
1417         const char *t=X509_get_default_cert_area();
1418         char *p;
1419
1420         p=OPENSSL_malloc(strlen(t)+strlen(OPENSSL_CONF)+2);
1421         strcpy(p,t);
1422 #ifndef OPENSSL_SYS_VMS
1423         strcat(p,"/");
1424 #endif
1425         strcat(p,OPENSSL_CONF);
1426
1427         return p;
1428         }