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 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         BUF_strlcpy(out,p,size);
 339         }
 340 #endif
 341 #endif
 342
 343 #ifdef OPENSSL_SYS_WIN32
 344 int WIN32_rename(char *from, char *to)
 345         {
 346 #ifndef OPENSSL_SYS_WINCE
 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 #else
 355         /* convert strings to UNICODE */
 356         {
 357         BOOL result = FALSE;
 358         WCHAR* wfrom;
 359         WCHAR* wto;
 360         int i;
 361         wfrom = malloc((strlen(from)+1)*2);
 362         wto = malloc((strlen(to)+1)*2);
 363         if (wfrom != NULL && wto != NULL)
 364                 {
 365                 for (i=0; i<(int)strlen(from)+1; i++)
 366                         wfrom[i] = (short)from[i];
 367                 for (i=0; i<(int)strlen(to)+1; i++)
 368                         wto[i] = (short)to[i];
 369                 result = MoveFile(wfrom, wto);
 370                 }
 371         if (wfrom != NULL)
 372                 free(wfrom);
 373         if (wto != NULL)
 374                 free(wto);
 375         return result;
 376         }
 377 #endif
 378         }
 379 #endif
 380
 381 #ifdef OPENSSL_SYS_VMS
 382 int VMS_strcasecmp(const char *str1, const char *str2)
 383         {
 384         while (*str1 && *str2)
 385                 {
 386                 int res = toupper(*str1) - toupper(*str2);
 387                 if (res) return res < 0 ? -1 : 1;
 388                 }
 389         if (*str1)
 390                 return 1;
 391         if (*str2)
 392                 return -1;
 393         return 0;
 394         }
 395 #endif
 396
 397 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 398         {
 399         int num,len,i;
 400         char *p;
 401
 402         *argc=0;
 403         *argv=NULL;
 404
 405         len=strlen(buf);
 406         i=0;
 407         if (arg->count == 0)
 408                 {
 409                 arg->count=20;
 410                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 411                 }
 412         for (i=0; i<arg->count; i++)
 413                 arg->data[i]=NULL;
 414
 415         num=0;
 416         p=buf;
 417         for (;;)
 418                 {
 419                 /* first scan over white space */
 420                 if (!*p) break;
 421                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 422                         p++;
 423                 if (!*p) break;
 424
 425                 /* The start of something good :-) */
 426                 if (num >= arg->count)
 427                         {
 428                         arg->count+=20;
 429                         arg->data=(char **)OPENSSL_realloc(arg->data,
 430                                 sizeof(char *)*arg->count);
 431                         if (argc == 0) return(0);
 432                         }
 433                 arg->data[num++]=p;
 434
 435                 /* now look for the end of this */
 436                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 437                         {
 438                         i= *(p++);
 439                         arg->data[num-1]++; /* jump over quote */
 440                         while (*p && (*p != i))
 441                                 p++;
 442                         *p='\0';
 443                         }
 444                 else
 445                         {
 446                         while (*p && ((*p != ' ') &&
 447                                 (*p != '\t') && (*p != '\n')))
 448                                 p++;
 449
 450                         if (*p == '\0')
 451                                 p--;
 452                         else
 453                                 *p='\0';
 454                         }
 455                 p++;
 456                 }
 457         *argc=num;
 458         *argv=arg->data;
 459         return(1);
 460         }
 461
 462 #ifndef APP_INIT
 463 int app_init(long mesgwin)
 464         {
 465         return(1);
 466         }
 467 #endif
 468
 469
 470 int dump_cert_text (BIO *out, X509 *x)
 471 {
 472         char *p;
 473
 474         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 475         BIO_puts(out,"subject=");
 476         BIO_puts(out,p);
 477         OPENSSL_free(p);
 478
 479         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 480         BIO_puts(out,"\nissuer=");
 481         BIO_puts(out,p);
 482         BIO_puts(out,"\n");
 483         OPENSSL_free(p);
 484
 485         return 0;
 486 }
 487
 488 static int ui_open(UI *ui)
 489         {
 490         return UI_method_get_opener(UI_OpenSSL())(ui);
 491         }
 492 static int ui_read(UI *ui, UI_STRING *uis)
 493         {
 494         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 495                 && UI_get0_user_data(ui))
 496                 {
 497                 switch(UI_get_string_type(uis))
 498                         {
 499                 case UIT_PROMPT:
 500                 case UIT_VERIFY:
 501                         {
 502                         const char *password =
 503                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 504                         if (password[0] != '\0')
 505                                 {
 506                                 UI_set_result(ui, uis, password);
 507                                 return 1;
 508                                 }
 509                         }
 510                 default:
 511                         break;
 512                         }
 513                 }
 514         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 515         }
 516 static int ui_write(UI *ui, UI_STRING *uis)
 517         {
 518         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 519                 && UI_get0_user_data(ui))
 520                 {
 521                 switch(UI_get_string_type(uis))
 522                         {
 523                 case UIT_PROMPT:
 524                 case UIT_VERIFY:
 525                         {
 526                         const char *password =
 527                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 528                         if (password[0] != '\0')
 529                                 return 1;
 530                         }
 531                 default:
 532                         break;
 533                         }
 534                 }
 535         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 536         }
 537 static int ui_close(UI *ui)
 538         {
 539         return UI_method_get_closer(UI_OpenSSL())(ui);
 540         }
 541 int setup_ui_method(void)
 542         {
 543         ui_method = UI_create_method("OpenSSL application user interface");
 544         UI_method_set_opener(ui_method, ui_open);
 545         UI_method_set_reader(ui_method, ui_read);
 546         UI_method_set_writer(ui_method, ui_write);
 547         UI_method_set_closer(ui_method, ui_close);
 548         return 0;
 549         }
 550 void destroy_ui_method(void)
 551         {
 552         if(ui_method)
 553                 {
 554                 UI_destroy_method(ui_method);
 555                 ui_method = NULL;
 556                 }
 557         }
 558 int password_callback(char *buf, int bufsiz, int verify,
 559         PW_CB_DATA *cb_tmp)
 560         {
 561         UI *ui = NULL;
 562         int res = 0;
 563         const char *prompt_info = NULL;
 564         const char *password = NULL;
 565         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 566
 567         if (cb_data)
 568                 {
 569                 if (cb_data->password)
 570                         password = cb_data->password;
 571                 if (cb_data->prompt_info)
 572                         prompt_info = cb_data->prompt_info;
 573                 }
 574
 575         if (password)
 576                 {
 577                 res = strlen(password);
 578                 if (res > bufsiz)
 579                         res = bufsiz;
 580                 memcpy(buf, password, res);
 581                 return res;
 582                 }
 583
 584         ui = UI_new_method(ui_method);
 585         if (ui)
 586                 {
 587                 int ok = 0;
 588                 char *buff = NULL;
 589                 int ui_flags = 0;
 590                 char *prompt = NULL;
 591
 592                 prompt = UI_construct_prompt(ui, "pass phrase",
 593                         cb_data->prompt_info);
 594
 595                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 596                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 597
 598                 if (ok >= 0)
 599                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 600                                 PW_MIN_LENGTH,BUFSIZ-1);
 601                 if (ok >= 0 && verify)
 602                         {
 603                         buff = (char *)OPENSSL_malloc(bufsiz);
 604                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 605                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 606                         }
 607                 if (ok >= 0)
 608                         do
 609                                 {
 610                                 ok = UI_process(ui);
 611                                 }
 612                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 613
 614                 if (buff)
 615                         {
 616                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 617                         OPENSSL_free(buff);
 618                         }
 619
 620                 if (ok >= 0)
 621                         res = strlen(buf);
 622                 if (ok == -1)
 623                         {
 624                         BIO_printf(bio_err, "User interface error\n");
 625                         ERR_print_errors(bio_err);
 626                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 627                         res = 0;
 628                         }
 629                 if (ok == -2)
 630                         {
 631                         BIO_printf(bio_err,"aborted!\n");
 632                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 633                         res = 0;
 634                         }
 635                 UI_free(ui);
 636                 OPENSSL_free(prompt);
 637                 }
 638         return res;
 639         }
 640
 641 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 642
 643 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 644 {
 645         int same;
 646         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 647         else same = 1;
 648         if(arg1) {
 649                 *pass1 = app_get_pass(err, arg1, same);
 650                 if(!*pass1) return 0;
 651         } else if(pass1) *pass1 = NULL;
 652         if(arg2) {
 653                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 654                 if(!*pass2) return 0;
 655         } else if(pass2) *pass2 = NULL;
 656         return 1;
 657 }
 658
 659 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 660 {
 661         char *tmp, tpass[APP_PASS_LEN];
 662         static BIO *pwdbio = NULL;
 663         int i;
 664         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 665         if(!strncmp(arg, "env:", 4)) {
 666                 tmp = getenv(arg + 4);
 667                 if(!tmp) {
 668                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 669                         return NULL;
 670                 }
 671                 return BUF_strdup(tmp);
 672         }
 673         if(!keepbio || !pwdbio) {
 674                 if(!strncmp(arg, "file:", 5)) {
 675                         pwdbio = BIO_new_file(arg + 5, "r");
 676                         if(!pwdbio) {
 677                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 678                                 return NULL;
 679                         }
 680                 } else if(!strncmp(arg, "fd:", 3)) {
 681                         BIO *btmp;
 682                         i = atoi(arg + 3);
 683                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 684                         if((i < 0) || !pwdbio) {
 685                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 686                                 return NULL;
 687                         }
 688                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 689                         btmp = BIO_new(BIO_f_buffer());
 690                         pwdbio = BIO_push(btmp, pwdbio);
 691                 } else if(!strcmp(arg, "stdin")) {
 692                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 693                         if(!pwdbio) {
 694                                 BIO_printf(err, "Can't open BIO for stdin\n");
 695                                 return NULL;
 696                         }
 697                 } else {
 698                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 699                         return NULL;
 700                 }
 701         }
 702         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 703         if(keepbio != 1) {
 704                 BIO_free_all(pwdbio);
 705                 pwdbio = NULL;
 706         }
 707         if(i <= 0) {
 708                 BIO_printf(err, "Error reading password from BIO\n");
 709                 return NULL;
 710         }
 711         tmp = strchr(tpass, '\n');
 712         if(tmp) *tmp = 0;
 713         return BUF_strdup(tpass);
 714 }
 715
 716 int add_oid_section(BIO *err, CONF *conf)
 717 {
 718         char *p;
 719         STACK_OF(CONF_VALUE) *sktmp;
 720         CONF_VALUE *cnf;
 721         int i;
 722         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 723                 {
 724                 ERR_clear_error();
 725                 return 1;
 726                 }
 727         if(!(sktmp = NCONF_get_section(conf, p))) {
 728                 BIO_printf(err, "problem loading oid section %s\n", p);
 729                 return 0;
 730         }
 731         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 732                 cnf = sk_CONF_VALUE_value(sktmp, i);
 733                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 734                         BIO_printf(err, "problem creating object %s=%s\n",
 735                                                          cnf->name, cnf->value);
 736                         return 0;
 737                 }
 738         }
 739         return 1;
 740 }
 741
 742 X509 *load_cert(BIO *err, const char *file, int format,
 743         const char *pass, ENGINE *e, const char *cert_descrip)
 744         {
 745         ASN1_HEADER *ah=NULL;
 746         BUF_MEM *buf=NULL;
 747         X509 *x=NULL;
 748         BIO *cert;
 749
 750         if ((cert=BIO_new(BIO_s_file())) == NULL)
 751                 {
 752                 ERR_print_errors(err);
 753                 goto end;
 754                 }
 755
 756         if (file == NULL)
 757                 {
 758                 setvbuf(stdin, NULL, _IONBF, 0);
 759                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 760                 }
 761         else
 762                 {
 763                 if (BIO_read_filename(cert,file) <= 0)
 764                         {
 765                         BIO_printf(err, "Error opening %s %s\n",
 766                                 cert_descrip, file);
 767                         ERR_print_errors(err);
 768                         goto end;
 769                         }
 770                 }
 771
 772         if      (format == FORMAT_ASN1)
 773                 x=d2i_X509_bio(cert,NULL);
 774         else if (format == FORMAT_NETSCAPE)
 775                 {
 776                 unsigned char *p,*op;
 777                 int size=0,i;
 778
 779                 /* We sort of have to do it this way because it is sort of nice
 780                  * to read the header first and check it, then
 781                  * try to read the certificate */
 782                 buf=BUF_MEM_new();
 783                 for (;;)
 784                         {
 785                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 786                                 goto end;
 787                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 788                         size+=i;
 789                         if (i == 0) break;
 790                         if (i < 0)
 791                                 {
 792                                 perror("reading certificate");
 793                                 goto end;
 794                                 }
 795                         }
 796                 p=(unsigned char *)buf->data;
 797                 op=p;
 798
 799                 /* First load the header */
 800                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 801                         goto end;
 802                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 803                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 804                         ah->header->length) != 0))
 805                         {
 806                         BIO_printf(err,"Error reading header on certificate\n");
 807                         goto end;
 808                         }
 809                 /* header is ok, so now read the object */
 810                 p=op;
 811                 ah->meth=X509_asn1_meth();
 812                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 813                         goto end;
 814                 x=(X509 *)ah->data;
 815                 ah->data=NULL;
 816                 }
 817         else if (format == FORMAT_PEM)
 818                 x=PEM_read_bio_X509_AUX(cert,NULL,
 819                         (pem_password_cb *)password_callback, NULL);
 820         else if (format == FORMAT_PKCS12)
 821                 {
 822                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
 823
 824                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
 825                 PKCS12_free(p12);
 826                 p12 = NULL;
 827                 }
 828         else    {
 829                 BIO_printf(err,"bad input format specified for %s\n",
 830                         cert_descrip);
 831                 goto end;
 832                 }
 833 end:
 834         if (x == NULL)
 835                 {
 836                 BIO_printf(err,"unable to load certificate\n");
 837                 ERR_print_errors(err);
 838                 }
 839         if (ah != NULL) ASN1_HEADER_free(ah);
 840         if (cert != NULL) BIO_free(cert);
 841         if (buf != NULL) BUF_MEM_free(buf);
 842         return(x);
 843         }
 844
 845 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 846         const char *pass, ENGINE *e, const char *key_descrip)
 847         {
 848         BIO *key=NULL;
 849         EVP_PKEY *pkey=NULL;
 850         PW_CB_DATA cb_data;
 851
 852         cb_data.password = pass;
 853         cb_data.prompt_info = file;
 854
 855         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 856                 {
 857                 BIO_printf(err,"no keyfile specified\n");
 858                 goto end;
 859                 }
 860 #ifndef OPENSSL_NO_ENGINE
 861         if (format == FORMAT_ENGINE)
 862                 {
 863                 if (!e)
 864                         BIO_printf(bio_err,"no engine specified\n");
 865                 else
 866                         pkey = ENGINE_load_private_key(e, file,
 867                                 ui_method, &cb_data);
 868                 goto end;
 869                 }
 870 #endif
 871         key=BIO_new(BIO_s_file());
 872         if (key == NULL)
 873                 {
 874                 ERR_print_errors(err);
 875                 goto end;
 876                 }
 877         if (file == NULL && maybe_stdin)
 878                 {
 879                 setvbuf(stdin, NULL, _IONBF, 0);
 880                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 881                 }
 882         else
 883                 if (BIO_read_filename(key,file) <= 0)
 884                         {
 885                         BIO_printf(err, "Error opening %s %s\n",
 886                                 key_descrip, file);
 887                         ERR_print_errors(err);
 888                         goto end;
 889                         }
 890         if (format == FORMAT_ASN1)
 891                 {
 892                 pkey=d2i_PrivateKey_bio(key, NULL);
 893                 }
 894         else if (format == FORMAT_PEM)
 895                 {
 896                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 897                         (pem_password_cb *)password_callback, &cb_data);
 898                 }
 899 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 900         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 901                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 902 #endif
 903         else if (format == FORMAT_PKCS12)
 904                 {
 905                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
 906
 907                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
 908                 PKCS12_free(p12);
 909                 p12 = NULL;
 910                 }
 911         else
 912                 {
 913                 BIO_printf(err,"bad input format specified for key file\n");
 914                 goto end;
 915                 }
 916  end:
 917         if (key != NULL) BIO_free(key);
 918         if (pkey == NULL)
 919                 BIO_printf(err,"unable to load %s\n", key_descrip);
 920         return(pkey);
 921         }
 922
 923 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 924         const char *pass, ENGINE *e, const char *key_descrip)
 925         {
 926         BIO *key=NULL;
 927         EVP_PKEY *pkey=NULL;
 928         PW_CB_DATA cb_data;
 929
 930         cb_data.password = pass;
 931         cb_data.prompt_info = file;
 932
 933         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 934                 {
 935                 BIO_printf(err,"no keyfile specified\n");
 936                 goto end;
 937                 }
 938 #ifndef OPENSSL_NO_ENGINE
 939         if (format == FORMAT_ENGINE)
 940                 {
 941                 if (!e)
 942                         BIO_printf(bio_err,"no engine specified\n");
 943                 else
 944                         pkey = ENGINE_load_public_key(e, file,
 945                                 ui_method, &cb_data);
 946                 goto end;
 947                 }
 948 #endif
 949         key=BIO_new(BIO_s_file());
 950         if (key == NULL)
 951                 {
 952                 ERR_print_errors(err);
 953                 goto end;
 954                 }
 955         if (file == NULL && maybe_stdin)
 956                 {
 957                 setvbuf(stdin, NULL, _IONBF, 0);
 958                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 959                 }
 960         else
 961                 if (BIO_read_filename(key,file) <= 0)
 962                         {
 963                         BIO_printf(err, "Error opening %s %s\n",
 964                                 key_descrip, file);
 965                         ERR_print_errors(err);
 966                         goto end;
 967                 }
 968         if (format == FORMAT_ASN1)
 969                 {
 970                 pkey=d2i_PUBKEY_bio(key, NULL);
 971                 }
 972         else if (format == FORMAT_PEM)
 973                 {
 974                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 975                         (pem_password_cb *)password_callback, &cb_data);
 976                 }
 977 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 978         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 979                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 980 #endif
 981         else
 982                 {
 983                 BIO_printf(err,"bad input format specified for key file\n");
 984                 goto end;
 985                 }
 986  end:
 987         if (key != NULL) BIO_free(key);
 988         if (pkey == NULL)
 989                 BIO_printf(err,"unable to load %s\n", key_descrip);
 990         return(pkey);
 991         }
 992
 993 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 994 static EVP_PKEY *
 995 load_netscape_key(BIO *err, BIO *key, const char *file,
 996                 const char *key_descrip, int format)
 997         {
 998         EVP_PKEY *pkey;
 999         BUF_MEM *buf;
1000         RSA     *rsa;
1001         const unsigned char *p;
1002         int size, i;
1003
1004         buf=BUF_MEM_new();
1005         pkey = EVP_PKEY_new();
1006         size = 0;
1007         if (buf == NULL || pkey == NULL)
1008                 goto error;
1009         for (;;)
1010                 {
1011                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1012                         goto error;
1013                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1014                 size += i;
1015                 if (i == 0)
1016                         break;
1017                 if (i < 0)
1018                         {
1019                                 BIO_printf(err, "Error reading %s %s",
1020                                         key_descrip, file);
1021                                 goto error;
1022                         }
1023                 }
1024         p=(unsigned char *)buf->data;
1025         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1026                 (format == FORMAT_IISSGC ? 1 : 0));
1027         if (rsa == NULL)
1028                 goto error;
1029         BUF_MEM_free(buf);
1030         EVP_PKEY_set1_RSA(pkey, rsa);
1031         return pkey;
1032 error:
1033         BUF_MEM_free(buf);
1034         EVP_PKEY_free(pkey);
1035         return NULL;
1036         }
1037 #endif /* ndef OPENSSL_NO_RC4 */
1038
1039 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1040         const char *pass, ENGINE *e, const char *cert_descrip)
1041         {
1042         BIO *certs;
1043         int i;
1044         STACK_OF(X509) *othercerts = NULL;
1045         STACK_OF(X509_INFO) *allcerts = NULL;
1046         X509_INFO *xi;
1047         PW_CB_DATA cb_data;
1048
1049         cb_data.password = pass;
1050         cb_data.prompt_info = file;
1051
1052         if((certs = BIO_new(BIO_s_file())) == NULL)
1053                 {
1054                 ERR_print_errors(err);
1055                 goto end;
1056                 }
1057
1058         if (file == NULL)
1059                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1060         else
1061                 {
1062                 if (BIO_read_filename(certs,file) <= 0)
1063                         {
1064                         BIO_printf(err, "Error opening %s %s\n",
1065                                 cert_descrip, file);
1066                         ERR_print_errors(err);
1067                         goto end;
1068                         }
1069                 }
1070
1071         if      (format == FORMAT_PEM)
1072                 {
1073                 othercerts = sk_X509_new_null();
1074                 if(!othercerts)
1075                         {
1076                         sk_X509_free(othercerts);
1077                         othercerts = NULL;
1078                         goto end;
1079                         }
1080                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1081                                 (pem_password_cb *)password_callback, &cb_data);
1082                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1083                         {
1084                         xi = sk_X509_INFO_value (allcerts, i);
1085                         if (xi->x509)
1086                                 {
1087                                 sk_X509_push(othercerts, xi->x509);
1088                                 xi->x509 = NULL;
1089                                 }
1090                         }
1091                 goto end;
1092                 }
1093         else    {
1094                 BIO_printf(err,"bad input format specified for %s\n",
1095                         cert_descrip);
1096                 goto end;
1097                 }
1098 end:
1099         if (othercerts == NULL)
1100                 {
1101                 BIO_printf(err,"unable to load certificates\n");
1102                 ERR_print_errors(err);
1103                 }
1104         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1105         if (certs != NULL) BIO_free(certs);
1106         return(othercerts);
1107         }
1108
1109
1110 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1111 /* Return error for unknown extensions */
1112 #define X509V3_EXT_DEFAULT              0
1113 /* Print error for unknown extensions */
1114 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1115 /* ASN1 parse unknown extensions */
1116 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1117 /* BIO_dump unknown extensions */
1118 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1119
1120 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1121                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1122
1123 int set_cert_ex(unsigned long *flags, const char *arg)
1124 {
1125         static const NAME_EX_TBL cert_tbl[] = {
1126                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1127                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1128                 { "no_header", X509_FLAG_NO_HEADER, 0},
1129                 { "no_version", X509_FLAG_NO_VERSION, 0},
1130                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1131                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1132                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1133                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1134                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1135                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1136                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1137                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1138                 { "no_aux", X509_FLAG_NO_AUX, 0},
1139                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1140                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1141                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1142                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1143                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1144                 { NULL, 0, 0}
1145         };
1146         return set_multi_opts(flags, arg, cert_tbl);
1147 }
1148
1149 int set_name_ex(unsigned long *flags, const char *arg)
1150 {
1151         static const NAME_EX_TBL ex_tbl[] = {
1152                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1153                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1154                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1155                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1156                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1157                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1158                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1159                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1160                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1161                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1162                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1163                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1164                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1165                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1166                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1167                 { "dn_rev", XN_FLAG_DN_REV, 0},
1168                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1169                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1170                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1171                 { "align", XN_FLAG_FN_ALIGN, 0},
1172                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1173                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1174                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1175                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1176                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1177                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1178                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1179                 { NULL, 0, 0}
1180         };
1181         return set_multi_opts(flags, arg, ex_tbl);
1182 }
1183
1184 int set_ext_copy(int *copy_type, const char *arg)
1185 {
1186         if (!strcasecmp(arg, "none"))
1187                 *copy_type = EXT_COPY_NONE;
1188         else if (!strcasecmp(arg, "copy"))
1189                 *copy_type = EXT_COPY_ADD;
1190         else if (!strcasecmp(arg, "copyall"))
1191                 *copy_type = EXT_COPY_ALL;
1192         else
1193                 return 0;
1194         return 1;
1195 }
1196
1197 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1198 {
1199         STACK_OF(X509_EXTENSION) *exts = NULL;
1200         X509_EXTENSION *ext, *tmpext;
1201         ASN1_OBJECT *obj;
1202         int i, idx, ret = 0;
1203         if (!x || !req || (copy_type == EXT_COPY_NONE))
1204                 return 1;
1205         exts = X509_REQ_get_extensions(req);
1206
1207         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1208                 ext = sk_X509_EXTENSION_value(exts, i);
1209                 obj = X509_EXTENSION_get_object(ext);
1210                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1211                 /* Does extension exist? */
1212                 if (idx != -1) {
1213                         /* If normal copy don't override existing extension */
1214                         if (copy_type == EXT_COPY_ADD)
1215                                 continue;
1216                         /* Delete all extensions of same type */
1217                         do {
1218                                 tmpext = X509_get_ext(x, idx);
1219                                 X509_delete_ext(x, idx);
1220                                 X509_EXTENSION_free(tmpext);
1221                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1222                         } while (idx != -1);
1223                 }
1224                 if (!X509_add_ext(x, ext, -1))
1225                         goto end;
1226         }
1227
1228         ret = 1;
1229
1230         end:
1231
1232         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1233
1234         return ret;
1235 }
1236
1237
1238
1239
1240 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1241 {
1242         STACK_OF(CONF_VALUE) *vals;
1243         CONF_VALUE *val;
1244         int i, ret = 1;
1245         if(!arg) return 0;
1246         vals = X509V3_parse_list(arg);
1247         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1248                 val = sk_CONF_VALUE_value(vals, i);
1249                 if (!set_table_opts(flags, val->name, in_tbl))
1250                         ret = 0;
1251         }
1252         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1253         return ret;
1254 }
1255
1256 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1257 {
1258         char c;
1259         const NAME_EX_TBL *ptbl;
1260         c = arg[0];
1261
1262         if(c == '-') {
1263                 c = 0;
1264                 arg++;
1265         } else if (c == '+') {
1266                 c = 1;
1267                 arg++;
1268         } else c = 1;
1269
1270         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1271                 if(!strcasecmp(arg, ptbl->name)) {
1272                         *flags &= ~ptbl->mask;
1273                         if(c) *flags |= ptbl->flag;
1274                         else *flags &= ~ptbl->flag;
1275                         return 1;
1276                 }
1277         }
1278         return 0;
1279 }
1280
1281 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1282 {
1283         char *buf;
1284         char mline = 0;
1285         int indent = 0;
1286
1287         if(title) BIO_puts(out, title);
1288         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1289                 mline = 1;
1290                 indent = 4;
1291         }
1292         if(lflags == XN_FLAG_COMPAT) {
1293                 buf = X509_NAME_oneline(nm, 0, 0);
1294                 BIO_puts(out, buf);
1295                 BIO_puts(out, "\n");
1296                 OPENSSL_free(buf);
1297         } else {
1298                 if(mline) BIO_puts(out, "\n");
1299                 X509_NAME_print_ex(out, nm, indent, lflags);
1300                 BIO_puts(out, "\n");
1301         }
1302 }
1303
1304 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1305 {
1306         X509_STORE *store;
1307         X509_LOOKUP *lookup;
1308         if(!(store = X509_STORE_new())) goto end;
1309         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1310         if (lookup == NULL) goto end;
1311         if (CAfile) {
1312                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1313                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1314                         goto end;
1315                 }
1316         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1317
1318         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1319         if (lookup == NULL) goto end;
1320         if (CApath) {
1321                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1322                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1323                         goto end;
1324                 }
1325         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1326
1327         ERR_clear_error();
1328         return store;
1329         end:
1330         X509_STORE_free(store);
1331         return NULL;
1332 }
1333
1334 #ifndef OPENSSL_NO_ENGINE
1335 /* Try to load an engine in a shareable library */
1336 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1337         {
1338         ENGINE *e = ENGINE_by_id("dynamic");
1339         if (e)
1340                 {
1341                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1342                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1343                         {
1344                         ENGINE_free(e);
1345                         e = NULL;
1346                         }
1347                 }
1348         return e;
1349         }
1350
1351 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1352         {
1353         ENGINE *e = NULL;
1354
1355         if (engine)
1356                 {
1357                 if(strcmp(engine, "auto") == 0)
1358                         {
1359                         BIO_printf(err,"enabling auto ENGINE support\n");
1360                         ENGINE_register_all_complete();
1361                         return NULL;
1362                         }
1363                 if((e = ENGINE_by_id(engine)) == NULL
1364                         && (e = try_load_engine(err, engine, debug)) == NULL)
1365                         {
1366                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1367                         ERR_print_errors(err);
1368                         return NULL;
1369                         }
1370                 if (debug)
1371                         {
1372                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1373                                 0, err, 0);
1374                         }
1375                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1376                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1377                         {
1378                         BIO_printf(err,"can't use that engine\n");
1379                         ERR_print_errors(err);
1380                         ENGINE_free(e);
1381                         return NULL;
1382                         }
1383
1384                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1385
1386                 /* Free our "structural" reference. */
1387                 ENGINE_free(e);
1388                 }
1389         return e;
1390         }
1391 #endif
1392
1393 int load_config(BIO *err, CONF *cnf)
1394         {
1395         if (!cnf)
1396                 cnf = config;
1397         if (!cnf)
1398                 return 1;
1399
1400         OPENSSL_load_builtin_modules();
1401
1402         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1403                 {
1404                 BIO_printf(err, "Error configuring OpenSSL\n");
1405                 ERR_print_errors(err);
1406                 return 0;
1407                 }
1408         return 1;
1409         }
1410
1411 char *make_config_name()
1412         {
1413         const char *t=X509_get_default_cert_area();
1414         char *p;
1415
1416         p=OPENSSL_malloc(strlen(t)+strlen(OPENSSL_CONF)+2);
1417         strcpy(p,t);
1418 #ifndef OPENSSL_SYS_VMS
1419         strcat(p,"/");
1420 #endif
1421         strcat(p,OPENSSL_CONF);
1422
1423         return p;
1424         }