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 #include <openssl/engine.h>
 126
 127 #ifdef OPENSSL_SYS_WINDOWS
 128 #define strcasecmp _stricmp
 129 #else
 130 #  ifdef NO_STRINGS_H
 131     int strcasecmp();
 132 #  else
 133 #    include <strings.h>
 134 #  endif /* NO_STRINGS_H */
 135 #endif
 136
 137 #define NON_MAIN
 138 #include "apps.h"
 139 #undef NON_MAIN
 140
 141 #ifdef OPENSSL_SYS_WINDOWS
 142 #  include "bss_file.c"
 143 #endif
 144
 145 typedef struct {
 146         char *name;
 147         unsigned long flag;
 148         unsigned long mask;
 149 } NAME_EX_TBL;
 150
 151 static UI_METHOD *ui_method = NULL;
 152
 153 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 154 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 155
 156 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 157 /* Looks like this stuff is worth moving into separate function */
 158 static EVP_PKEY *
 159 load_netscape_key(BIO *err, BIO *key, const char *file,
 160                 const char *key_descrip, int format);
 161 #endif
 162
 163 int app_init(long mesgwin);
 164 #ifdef undef /* never finished - probably never will be :-) */
 165 int args_from_file(char *file, int *argc, char **argv[])
 166         {
 167         FILE *fp;
 168         int num,i;
 169         unsigned int len;
 170         static char *buf=NULL;
 171         static char **arg=NULL;
 172         char *p;
 173         struct stat stbuf;
 174
 175         if (stat(file,&stbuf) < 0) return(0);
 176
 177         fp=fopen(file,"r");
 178         if (fp == NULL)
 179                 return(0);
 180
 181         *argc=0;
 182         *argv=NULL;
 183
 184         len=(unsigned int)stbuf.st_size;
 185         if (buf != NULL) OPENSSL_free(buf);
 186         buf=(char *)OPENSSL_malloc(len+1);
 187         if (buf == NULL) return(0);
 188
 189         len=fread(buf,1,len,fp);
 190         if (len <= 1) return(0);
 191         buf[len]='\0';
 192
 193         i=0;
 194         for (p=buf; *p; p++)
 195                 if (*p == '\n') i++;
 196         if (arg != NULL) OPENSSL_free(arg);
 197         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 198
 199         *argv=arg;
 200         num=0;
 201         p=buf;
 202         for (;;)
 203                 {
 204                 if (!*p) break;
 205                 if (*p == '#') /* comment line */
 206                         {
 207                         while (*p && (*p != '\n')) p++;
 208                         continue;
 209                         }
 210                 /* else we have a line */
 211                 *(arg++)=p;
 212                 num++;
 213                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 214                         p++;
 215                 if (!*p) break;
 216                 if (*p == '\n')
 217                         {
 218                         *(p++)='\0';
 219                         continue;
 220                         }
 221                 /* else it is a tab or space */
 222                 p++;
 223                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 224                         p++;
 225                 if (!*p) break;
 226                 if (*p == '\n')
 227                         {
 228                         p++;
 229                         continue;
 230                         }
 231                 *(arg++)=p++;
 232                 num++;
 233                 while (*p && (*p != '\n')) p++;
 234                 if (!*p) break;
 235                 /* else *p == '\n' */
 236                 *(p++)='\0';
 237                 }
 238         *argc=num;
 239         return(1);
 240         }
 241 #endif
 242
 243 int str2fmt(char *s)
 244         {
 245         if      ((*s == 'D') || (*s == 'd'))
 246                 return(FORMAT_ASN1);
 247         else if ((*s == 'T') || (*s == 't'))
 248                 return(FORMAT_TEXT);
 249         else if ((*s == 'P') || (*s == 'p'))
 250                 return(FORMAT_PEM);
 251         else if ((*s == 'N') || (*s == 'n'))
 252                 return(FORMAT_NETSCAPE);
 253         else if ((*s == 'S') || (*s == 's'))
 254                 return(FORMAT_SMIME);
 255         else if ((*s == '1')
 256                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 257                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 258                 return(FORMAT_PKCS12);
 259         else if ((*s == 'E') || (*s == 'e'))
 260                 return(FORMAT_ENGINE);
 261         else
 262                 return(FORMAT_UNDEF);
 263         }
 264
 265 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
 266 void program_name(char *in, char *out, int size)
 267         {
 268         int i,n;
 269         char *p=NULL;
 270
 271         n=strlen(in);
 272         /* find the last '/', '\' or ':' */
 273         for (i=n-1; i>0; i--)
 274                 {
 275                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 276                         {
 277                         p= &(in[i+1]);
 278                         break;
 279                         }
 280                 }
 281         if (p == NULL)
 282                 p=in;
 283         n=strlen(p);
 284         /* strip off trailing .exe if present. */
 285         if ((n > 4) && (p[n-4] == '.') &&
 286                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 287                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 288                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 289                 n-=4;
 290         if (n > size-1)
 291                 n=size-1;
 292
 293         for (i=0; i<n; i++)
 294                 {
 295                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 296                         out[i]=p[i]-'A'+'a';
 297                 else
 298                         out[i]=p[i];
 299                 }
 300         out[n]='\0';
 301         }
 302 #else
 303 #ifdef OPENSSL_SYS_VMS
 304 void program_name(char *in, char *out, int size)
 305         {
 306         char *p=in, *q;
 307         char *chars=":]>";
 308
 309         while(*chars != '\0')
 310                 {
 311                 q=strrchr(p,*chars);
 312                 if (q > p)
 313                         p = q + 1;
 314                 chars++;
 315                 }
 316
 317         q=strrchr(p,'.');
 318         if (q == NULL)
 319                 q = p + strlen(p);
 320         strncpy(out,p,size-1);
 321         if (q-p >= size)
 322                 {
 323                 out[size-1]='\0';
 324                 }
 325         else
 326                 {
 327                 out[q-p]='\0';
 328                 }
 329         }
 330 #else
 331 void program_name(char *in, char *out, int size)
 332         {
 333         char *p;
 334
 335         p=strrchr(in,'/');
 336         if (p != NULL)
 337                 p++;
 338         else
 339                 p=in;
 340         strncpy(out,p,size-1);
 341         out[size-1]='\0';
 342         }
 343 #endif
 344 #endif
 345
 346 #ifdef OPENSSL_SYS_WIN32
 347 int WIN32_rename(char *from, char *to)
 348         {
 349         /* Windows rename gives an error if 'to' exists, so delete it
 350          * first and ignore file not found errror
 351          */
 352         if((remove(to) != 0) && (errno != ENOENT))
 353                 return -1;
 354 #undef rename
 355         return rename(from, to);
 356         }
 357 #endif
 358
 359 #ifdef OPENSSL_SYS_VMS
 360 int VMS_strcasecmp(const char *str1, const char *str2)
 361         {
 362         while (*str1 && *str2)
 363                 {
 364                 int res = toupper(*str1) - toupper(*str2);
 365                 if (res) return res < 0 ? -1 : 1;
 366                 }
 367         if (*str1)
 368                 return 1;
 369         if (*str2)
 370                 return -1;
 371         return 0;
 372         }
 373 #endif
 374
 375 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 376         {
 377         int num,len,i;
 378         char *p;
 379
 380         *argc=0;
 381         *argv=NULL;
 382
 383         len=strlen(buf);
 384         i=0;
 385         if (arg->count == 0)
 386                 {
 387                 arg->count=20;
 388                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 389                 }
 390         for (i=0; i<arg->count; i++)
 391                 arg->data[i]=NULL;
 392
 393         num=0;
 394         p=buf;
 395         for (;;)
 396                 {
 397                 /* first scan over white space */
 398                 if (!*p) break;
 399                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 400                         p++;
 401                 if (!*p) break;
 402
 403                 /* The start of something good :-) */
 404                 if (num >= arg->count)
 405                         {
 406                         arg->count+=20;
 407                         arg->data=(char **)OPENSSL_realloc(arg->data,
 408                                 sizeof(char *)*arg->count);
 409                         if (argc == 0) return(0);
 410                         }
 411                 arg->data[num++]=p;
 412
 413                 /* now look for the end of this */
 414                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 415                         {
 416                         i= *(p++);
 417                         arg->data[num-1]++; /* jump over quote */
 418                         while (*p && (*p != i))
 419                                 p++;
 420                         *p='\0';
 421                         }
 422                 else
 423                         {
 424                         while (*p && ((*p != ' ') &&
 425                                 (*p != '\t') && (*p != '\n')))
 426                                 p++;
 427
 428                         if (*p == '\0')
 429                                 p--;
 430                         else
 431                                 *p='\0';
 432                         }
 433                 p++;
 434                 }
 435         *argc=num;
 436         *argv=arg->data;
 437         return(1);
 438         }
 439
 440 #ifndef APP_INIT
 441 int app_init(long mesgwin)
 442         {
 443         return(1);
 444         }
 445 #endif
 446
 447
 448 int dump_cert_text (BIO *out, X509 *x)
 449 {
 450         char buf[256];
 451         X509_NAME_oneline(X509_get_subject_name(x),buf,256);
 452         BIO_puts(out,"subject=");
 453         BIO_puts(out,buf);
 454
 455         X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
 456         BIO_puts(out,"\nissuer= ");
 457         BIO_puts(out,buf);
 458         BIO_puts(out,"\n");
 459         return 0;
 460 }
 461
 462 static int ui_open(UI *ui)
 463         {
 464         return UI_method_get_opener(UI_OpenSSL())(ui);
 465         }
 466 static int ui_read(UI *ui, UI_STRING *uis)
 467         {
 468         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 469                 && UI_get0_user_data(ui))
 470                 {
 471                 switch(UI_get_string_type(uis))
 472                         {
 473                 case UIT_PROMPT:
 474                 case UIT_VERIFY:
 475                         {
 476                         const char *password =
 477                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 478                         if (password[0] != '\0')
 479                                 {
 480                                 UI_set_result(ui, uis, password);
 481                                 return 1;
 482                                 }
 483                         }
 484                 default:
 485                         break;
 486                         }
 487                 }
 488         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 489         }
 490 static int ui_write(UI *ui, UI_STRING *uis)
 491         {
 492         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 493                 && UI_get0_user_data(ui))
 494                 {
 495                 switch(UI_get_string_type(uis))
 496                         {
 497                 case UIT_PROMPT:
 498                 case UIT_VERIFY:
 499                         {
 500                         const char *password =
 501                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 502                         if (password[0] != '\0')
 503                                 return 1;
 504                         }
 505                 default:
 506                         break;
 507                         }
 508                 }
 509         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 510         }
 511 static int ui_close(UI *ui)
 512         {
 513         return UI_method_get_closer(UI_OpenSSL())(ui);
 514         }
 515 int setup_ui_method(void)
 516         {
 517         ui_method = UI_create_method("OpenSSL application user interface");
 518         UI_method_set_opener(ui_method, ui_open);
 519         UI_method_set_reader(ui_method, ui_read);
 520         UI_method_set_writer(ui_method, ui_write);
 521         UI_method_set_closer(ui_method, ui_close);
 522         return 0;
 523         }
 524 void destroy_ui_method(void)
 525         {
 526         if(ui_method)
 527                 {
 528                 UI_destroy_method(ui_method);
 529                 ui_method = NULL;
 530                 }
 531         }
 532 int password_callback(char *buf, int bufsiz, int verify,
 533         PW_CB_DATA *cb_tmp)
 534         {
 535         UI *ui = NULL;
 536         int res = 0;
 537         const char *prompt_info = NULL;
 538         const char *password = NULL;
 539         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 540
 541         if (cb_data)
 542                 {
 543                 if (cb_data->password)
 544                         password = cb_data->password;
 545                 if (cb_data->prompt_info)
 546                         prompt_info = cb_data->prompt_info;
 547                 }
 548
 549         if (password)
 550                 {
 551                 res = strlen(password);
 552                 if (res > bufsiz)
 553                         res = bufsiz;
 554                 memcpy(buf, password, res);
 555                 return res;
 556                 }
 557
 558         ui = UI_new_method(ui_method);
 559         if (ui)
 560                 {
 561                 int ok = 0;
 562                 char *buff = NULL;
 563                 int ui_flags = 0;
 564                 char *prompt = NULL;
 565
 566                 prompt = UI_construct_prompt(ui, "pass phrase",
 567                         cb_data->prompt_info);
 568
 569                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 570                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 571
 572                 if (ok >= 0)
 573                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 574                                 PW_MIN_LENGTH,BUFSIZ-1);
 575                 if (ok >= 0 && verify)
 576                         {
 577                         buff = (char *)OPENSSL_malloc(bufsiz);
 578                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 579                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 580                         }
 581                 if (ok >= 0)
 582                         do
 583                                 {
 584                                 ok = UI_process(ui);
 585                                 }
 586                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 587
 588                 if (buff)
 589                         {
 590                         memset(buff,0,(unsigned int)bufsiz);
 591                         OPENSSL_free(buff);
 592                         }
 593
 594                 if (ok >= 0)
 595                         res = strlen(buf);
 596                 if (ok == -1)
 597                         {
 598                         BIO_printf(bio_err, "User interface error\n");
 599                         ERR_print_errors(bio_err);
 600                         memset(buf,0,(unsigned int)bufsiz);
 601                         res = 0;
 602                         }
 603                 if (ok == -2)
 604                         {
 605                         BIO_printf(bio_err,"aborted!\n");
 606                         memset(buf,0,(unsigned int)bufsiz);
 607                         res = 0;
 608                         }
 609                 UI_free(ui);
 610                 OPENSSL_free(prompt);
 611                 }
 612         return res;
 613         }
 614
 615 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 616
 617 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 618 {
 619         int same;
 620         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 621         else same = 1;
 622         if(arg1) {
 623                 *pass1 = app_get_pass(err, arg1, same);
 624                 if(!*pass1) return 0;
 625         } else if(pass1) *pass1 = NULL;
 626         if(arg2) {
 627                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 628                 if(!*pass2) return 0;
 629         } else if(pass2) *pass2 = NULL;
 630         return 1;
 631 }
 632
 633 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 634 {
 635         char *tmp, tpass[APP_PASS_LEN];
 636         static BIO *pwdbio = NULL;
 637         int i;
 638         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 639         if(!strncmp(arg, "env:", 4)) {
 640                 tmp = getenv(arg + 4);
 641                 if(!tmp) {
 642                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 643                         return NULL;
 644                 }
 645                 return BUF_strdup(tmp);
 646         }
 647         if(!keepbio || !pwdbio) {
 648                 if(!strncmp(arg, "file:", 5)) {
 649                         pwdbio = BIO_new_file(arg + 5, "r");
 650                         if(!pwdbio) {
 651                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 652                                 return NULL;
 653                         }
 654                 } else if(!strncmp(arg, "fd:", 3)) {
 655                         BIO *btmp;
 656                         i = atoi(arg + 3);
 657                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 658                         if((i < 0) || !pwdbio) {
 659                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 660                                 return NULL;
 661                         }
 662                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 663                         btmp = BIO_new(BIO_f_buffer());
 664                         pwdbio = BIO_push(btmp, pwdbio);
 665                 } else if(!strcmp(arg, "stdin")) {
 666                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 667                         if(!pwdbio) {
 668                                 BIO_printf(err, "Can't open BIO for stdin\n");
 669                                 return NULL;
 670                         }
 671                 } else {
 672                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 673                         return NULL;
 674                 }
 675         }
 676         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 677         if(keepbio != 1) {
 678                 BIO_free_all(pwdbio);
 679                 pwdbio = NULL;
 680         }
 681         if(i <= 0) {
 682                 BIO_printf(err, "Error reading password from BIO\n");
 683                 return NULL;
 684         }
 685         tmp = strchr(tpass, '\n');
 686         if(tmp) *tmp = 0;
 687         return BUF_strdup(tpass);
 688 }
 689
 690 int add_oid_section(BIO *err, CONF *conf)
 691 {
 692         char *p;
 693         STACK_OF(CONF_VALUE) *sktmp;
 694         CONF_VALUE *cnf;
 695         int i;
 696         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 697                 {
 698                 ERR_clear_error();
 699                 return 1;
 700                 }
 701         if(!(sktmp = NCONF_get_section(conf, p))) {
 702                 BIO_printf(err, "problem loading oid section %s\n", p);
 703                 return 0;
 704         }
 705         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 706                 cnf = sk_CONF_VALUE_value(sktmp, i);
 707                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 708                         BIO_printf(err, "problem creating object %s=%s\n",
 709                                                          cnf->name, cnf->value);
 710                         return 0;
 711                 }
 712         }
 713         return 1;
 714 }
 715
 716 X509 *load_cert(BIO *err, const char *file, int format,
 717         const char *pass, ENGINE *e, const char *cert_descrip)
 718         {
 719         ASN1_HEADER *ah=NULL;
 720         BUF_MEM *buf=NULL;
 721         X509 *x=NULL;
 722         BIO *cert;
 723
 724         if ((cert=BIO_new(BIO_s_file())) == NULL)
 725                 {
 726                 ERR_print_errors(err);
 727                 goto end;
 728                 }
 729
 730         if (file == NULL)
 731                 {
 732                 setvbuf(stdin, NULL, _IONBF, 0);
 733                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 734                 }
 735         else
 736                 {
 737                 if (BIO_read_filename(cert,file) <= 0)
 738                         {
 739                         BIO_printf(err, "Error opening %s %s\n",
 740                                 cert_descrip, file);
 741                         ERR_print_errors(err);
 742                         goto end;
 743                         }
 744                 }
 745
 746         if      (format == FORMAT_ASN1)
 747                 x=d2i_X509_bio(cert,NULL);
 748         else if (format == FORMAT_NETSCAPE)
 749                 {
 750                 unsigned char *p,*op;
 751                 int size=0,i;
 752
 753                 /* We sort of have to do it this way because it is sort of nice
 754                  * to read the header first and check it, then
 755                  * try to read the certificate */
 756                 buf=BUF_MEM_new();
 757                 for (;;)
 758                         {
 759                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 760                                 goto end;
 761                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 762                         size+=i;
 763                         if (i == 0) break;
 764                         if (i < 0)
 765                                 {
 766                                 perror("reading certificate");
 767                                 goto end;
 768                                 }
 769                         }
 770                 p=(unsigned char *)buf->data;
 771                 op=p;
 772
 773                 /* First load the header */
 774                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 775                         goto end;
 776                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 777                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 778                         ah->header->length) != 0))
 779                         {
 780                         BIO_printf(err,"Error reading header on certificate\n");
 781                         goto end;
 782                         }
 783                 /* header is ok, so now read the object */
 784                 p=op;
 785                 ah->meth=X509_asn1_meth();
 786                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 787                         goto end;
 788                 x=(X509 *)ah->data;
 789                 ah->data=NULL;
 790                 }
 791         else if (format == FORMAT_PEM)
 792                 x=PEM_read_bio_X509_AUX(cert,NULL,
 793                         (pem_password_cb *)password_callback, NULL);
 794         else if (format == FORMAT_PKCS12)
 795                 {
 796                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
 797
 798                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
 799                 PKCS12_free(p12);
 800                 p12 = NULL;
 801                 }
 802         else    {
 803                 BIO_printf(err,"bad input format specified for %s\n",
 804                         cert_descrip);
 805                 goto end;
 806                 }
 807 end:
 808         if (x == NULL)
 809                 {
 810                 BIO_printf(err,"unable to load certificate\n");
 811                 ERR_print_errors(err);
 812                 }
 813         if (ah != NULL) ASN1_HEADER_free(ah);
 814         if (cert != NULL) BIO_free(cert);
 815         if (buf != NULL) BUF_MEM_free(buf);
 816         return(x);
 817         }
 818
 819 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 820         const char *pass, ENGINE *e, const char *key_descrip)
 821         {
 822         BIO *key=NULL;
 823         EVP_PKEY *pkey=NULL;
 824         PW_CB_DATA cb_data;
 825
 826         cb_data.password = pass;
 827         cb_data.prompt_info = file;
 828
 829         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 830                 {
 831                 BIO_printf(err,"no keyfile specified\n");
 832                 goto end;
 833                 }
 834         if (format == FORMAT_ENGINE)
 835                 {
 836                 if (!e)
 837                         BIO_printf(bio_err,"no engine specified\n");
 838                 else
 839                         pkey = ENGINE_load_private_key(e, file,
 840                                 ui_method, &cb_data);
 841                 goto end;
 842                 }
 843         key=BIO_new(BIO_s_file());
 844         if (key == NULL)
 845                 {
 846                 ERR_print_errors(err);
 847                 goto end;
 848                 }
 849         if (file == NULL && maybe_stdin)
 850                 {
 851                 setvbuf(stdin, NULL, _IONBF, 0);
 852                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 853                 }
 854         else
 855                 if (BIO_read_filename(key,file) <= 0)
 856                         {
 857                         BIO_printf(err, "Error opening %s %s\n",
 858                                 key_descrip, file);
 859                         ERR_print_errors(err);
 860                         goto end;
 861                         }
 862         if (format == FORMAT_ASN1)
 863                 {
 864                 pkey=d2i_PrivateKey_bio(key, NULL);
 865                 }
 866         else if (format == FORMAT_PEM)
 867                 {
 868                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 869                         (pem_password_cb *)password_callback, &cb_data);
 870                 }
 871 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 872         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 873                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 874 #endif
 875         else if (format == FORMAT_PKCS12)
 876                 {
 877                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
 878
 879                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
 880                 PKCS12_free(p12);
 881                 p12 = NULL;
 882                 }
 883         else
 884                 {
 885                 BIO_printf(err,"bad input format specified for key file\n");
 886                 goto end;
 887                 }
 888  end:
 889         if (key != NULL) BIO_free(key);
 890         if (pkey == NULL)
 891                 BIO_printf(err,"unable to load %s\n", key_descrip);
 892         return(pkey);
 893         }
 894
 895 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 896         const char *pass, ENGINE *e, const char *key_descrip)
 897         {
 898         BIO *key=NULL;
 899         EVP_PKEY *pkey=NULL;
 900         PW_CB_DATA cb_data;
 901
 902         cb_data.password = pass;
 903         cb_data.prompt_info = file;
 904
 905         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 906                 {
 907                 BIO_printf(err,"no keyfile specified\n");
 908                 goto end;
 909                 }
 910         if (format == FORMAT_ENGINE)
 911                 {
 912                 if (!e)
 913                         BIO_printf(bio_err,"no engine specified\n");
 914                 else
 915                         pkey = ENGINE_load_public_key(e, file,
 916                                 ui_method, &cb_data);
 917                 goto end;
 918                 }
 919         key=BIO_new(BIO_s_file());
 920         if (key == NULL)
 921                 {
 922                 ERR_print_errors(err);
 923                 goto end;
 924                 }
 925         if (file == NULL && maybe_stdin)
 926                 {
 927                 setvbuf(stdin, NULL, _IONBF, 0);
 928                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 929                 }
 930         else
 931                 if (BIO_read_filename(key,file) <= 0)
 932                         {
 933                         BIO_printf(err, "Error opening %s %s\n",
 934                                 key_descrip, file);
 935                         ERR_print_errors(err);
 936                         goto end;
 937                 }
 938         if (format == FORMAT_ASN1)
 939                 {
 940                 pkey=d2i_PUBKEY_bio(key, NULL);
 941                 }
 942         else if (format == FORMAT_PEM)
 943                 {
 944                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 945                         (pem_password_cb *)password_callback, &cb_data);
 946                 }
 947 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 948         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 949                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 950 #endif
 951         else
 952                 {
 953                 BIO_printf(err,"bad input format specified for key file\n");
 954                 goto end;
 955                 }
 956  end:
 957         if (key != NULL) BIO_free(key);
 958         if (pkey == NULL)
 959                 BIO_printf(err,"unable to load %s\n", key_descrip);
 960         return(pkey);
 961         }
 962
 963 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 964 static EVP_PKEY *
 965 load_netscape_key(BIO *err, BIO *key, const char *file,
 966                 const char *key_descrip, int format)
 967         {
 968         EVP_PKEY *pkey;
 969         BUF_MEM *buf;
 970         RSA     *rsa;
 971         const unsigned char *p;
 972         int size, i;
 973
 974         buf=BUF_MEM_new();
 975         pkey = EVP_PKEY_new();
 976         size = 0;
 977         if (buf == NULL || pkey == NULL)
 978                 goto error;
 979         for (;;)
 980                 {
 981                 if (!BUF_MEM_grow(buf,size+1024*10))
 982                         goto error;
 983                 i = BIO_read(key, &(buf->data[size]), 1024*10);
 984                 size += i;
 985                 if (i == 0)
 986                         break;
 987                 if (i < 0)
 988                         {
 989                                 BIO_printf(err, "Error reading %s %s",
 990                                         key_descrip, file);
 991                                 goto error;
 992                         }
 993                 }
 994         p=(unsigned char *)buf->data;
 995         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
 996                 (format == FORMAT_IISSGC ? 1 : 0));
 997         if (rsa == NULL)
 998                 goto error;
 999         BUF_MEM_free(buf);
1000         EVP_PKEY_set1_RSA(pkey, rsa);
1001         return pkey;
1002 error:
1003         BUF_MEM_free(buf);
1004         EVP_PKEY_free(pkey);
1005         return NULL;
1006         }
1007 #endif /* ndef OPENSSL_NO_RC4 */
1008
1009 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1010         const char *pass, ENGINE *e, const char *cert_descrip)
1011         {
1012         BIO *certs;
1013         int i;
1014         STACK_OF(X509) *othercerts = NULL;
1015         STACK_OF(X509_INFO) *allcerts = NULL;
1016         X509_INFO *xi;
1017         PW_CB_DATA cb_data;
1018
1019         cb_data.password = pass;
1020         cb_data.prompt_info = file;
1021
1022         if((certs = BIO_new(BIO_s_file())) == NULL)
1023                 {
1024                 ERR_print_errors(err);
1025                 goto end;
1026                 }
1027
1028         if (file == NULL)
1029                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1030         else
1031                 {
1032                 if (BIO_read_filename(certs,file) <= 0)
1033                         {
1034                         BIO_printf(err, "Error opening %s %s\n",
1035                                 cert_descrip, file);
1036                         ERR_print_errors(err);
1037                         goto end;
1038                         }
1039                 }
1040
1041         if      (format == FORMAT_PEM)
1042                 {
1043                 othercerts = sk_X509_new_null();
1044                 if(!othercerts)
1045                         {
1046                         sk_X509_free(othercerts);
1047                         othercerts = NULL;
1048                         goto end;
1049                         }
1050                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1051                                 (pem_password_cb *)password_callback, &cb_data);
1052                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1053                         {
1054                         xi = sk_X509_INFO_value (allcerts, i);
1055                         if (xi->x509)
1056                                 {
1057                                 sk_X509_push(othercerts, xi->x509);
1058                                 xi->x509 = NULL;
1059                                 }
1060                         }
1061                 goto end;
1062                 }
1063         else    {
1064                 BIO_printf(err,"bad input format specified for %s\n",
1065                         cert_descrip);
1066                 goto end;
1067                 }
1068 end:
1069         if (othercerts == NULL)
1070                 {
1071                 BIO_printf(err,"unable to load certificates\n");
1072                 ERR_print_errors(err);
1073                 }
1074         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1075         if (certs != NULL) BIO_free(certs);
1076         return(othercerts);
1077         }
1078
1079
1080 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1081 /* Return error for unknown extensions */
1082 #define X509V3_EXT_DEFAULT              0
1083 /* Print error for unknown extensions */
1084 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1085 /* ASN1 parse unknown extensions */
1086 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1087 /* BIO_dump unknown extensions */
1088 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1089
1090 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1091                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1092
1093 int set_cert_ex(unsigned long *flags, const char *arg)
1094 {
1095         static const NAME_EX_TBL cert_tbl[] = {
1096                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1097                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1098                 { "no_header", X509_FLAG_NO_HEADER, 0},
1099                 { "no_version", X509_FLAG_NO_VERSION, 0},
1100                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1101                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1102                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1103                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1104                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1105                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1106                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1107                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1108                 { "no_aux", X509_FLAG_NO_AUX, 0},
1109                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1110                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1111                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1112                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1113                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1114                 { NULL, 0, 0}
1115         };
1116         return set_multi_opts(flags, arg, cert_tbl);
1117 }
1118
1119 int set_name_ex(unsigned long *flags, const char *arg)
1120 {
1121         static const NAME_EX_TBL ex_tbl[] = {
1122                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1123                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1124                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1125                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1126                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1127                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1128                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1129                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1130                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1131                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1132                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1133                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1134                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1135                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1136                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1137                 { "dn_rev", XN_FLAG_DN_REV, 0},
1138                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1139                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1140                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1141                 { "align", XN_FLAG_FN_ALIGN, 0},
1142                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1143                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1144                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1145                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1146                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1147                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1148                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1149                 { NULL, 0, 0}
1150         };
1151         return set_multi_opts(flags, arg, ex_tbl);
1152 }
1153
1154 int set_ext_copy(int *copy_type, const char *arg)
1155 {
1156         if (!strcasecmp(arg, "none"))
1157                 *copy_type = EXT_COPY_NONE;
1158         else if (!strcasecmp(arg, "copy"))
1159                 *copy_type = EXT_COPY_ADD;
1160         else if (!strcasecmp(arg, "copyall"))
1161                 *copy_type = EXT_COPY_ALL;
1162         else
1163                 return 0;
1164         return 1;
1165 }
1166
1167 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1168 {
1169         STACK_OF(X509_EXTENSION) *exts = NULL;
1170         X509_EXTENSION *ext, *tmpext;
1171         ASN1_OBJECT *obj;
1172         int i, idx, ret = 0;
1173         if (!x || !req || (copy_type == EXT_COPY_NONE))
1174                 return 1;
1175         exts = X509_REQ_get_extensions(req);
1176
1177         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1178                 ext = sk_X509_EXTENSION_value(exts, i);
1179                 obj = X509_EXTENSION_get_object(ext);
1180                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1181                 /* Does extension exist? */
1182                 if (idx != -1) {
1183                         /* If normal copy don't override existing extension */
1184                         if (copy_type == EXT_COPY_ADD)
1185                                 continue;
1186                         /* Delete all extensions of same type */
1187                         do {
1188                                 tmpext = X509_get_ext(x, idx);
1189                                 X509_delete_ext(x, idx);
1190                                 X509_EXTENSION_free(tmpext);
1191                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1192                         } while (idx != -1);
1193                 }
1194                 if (!X509_add_ext(x, ext, -1))
1195                         goto end;
1196         }
1197
1198         ret = 1;
1199
1200         end:
1201
1202         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1203
1204         return ret;
1205 }
1206
1207
1208
1209
1210 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1211 {
1212         STACK_OF(CONF_VALUE) *vals;
1213         CONF_VALUE *val;
1214         int i, ret = 1;
1215         if(!arg) return 0;
1216         vals = X509V3_parse_list(arg);
1217         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1218                 val = sk_CONF_VALUE_value(vals, i);
1219                 if (!set_table_opts(flags, val->name, in_tbl))
1220                         ret = 0;
1221         }
1222         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1223         return ret;
1224 }
1225
1226 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1227 {
1228         char c;
1229         const NAME_EX_TBL *ptbl;
1230         c = arg[0];
1231
1232         if(c == '-') {
1233                 c = 0;
1234                 arg++;
1235         } else if (c == '+') {
1236                 c = 1;
1237                 arg++;
1238         } else c = 1;
1239
1240         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1241                 if(!strcasecmp(arg, ptbl->name)) {
1242                         *flags &= ~ptbl->mask;
1243                         if(c) *flags |= ptbl->flag;
1244                         else *flags &= ~ptbl->flag;
1245                         return 1;
1246                 }
1247         }
1248         return 0;
1249 }
1250
1251 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1252 {
1253         char *buf;
1254         char mline = 0;
1255         int indent = 0;
1256         if(title) BIO_puts(out, title);
1257         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1258                 mline = 1;
1259                 indent = 4;
1260         }
1261         if(lflags == XN_FLAG_COMPAT) {
1262                 buf = X509_NAME_oneline(nm, 0, 0);
1263                 BIO_puts(out, buf);
1264                 BIO_puts(out, "\n");
1265                 OPENSSL_free(buf);
1266         } else {
1267                 if(mline) BIO_puts(out, "\n");
1268                 X509_NAME_print_ex(out, nm, indent, lflags);
1269                 BIO_puts(out, "\n");
1270         }
1271 }
1272
1273 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1274 {
1275         X509_STORE *store;
1276         X509_LOOKUP *lookup;
1277         if(!(store = X509_STORE_new())) goto end;
1278         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1279         if (lookup == NULL) goto end;
1280         if (CAfile) {
1281                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1282                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1283                         goto end;
1284                 }
1285         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1286
1287         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1288         if (lookup == NULL) goto end;
1289         if (CApath) {
1290                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1291                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1292                         goto end;
1293                 }
1294         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1295
1296         ERR_clear_error();
1297         return store;
1298         end:
1299         X509_STORE_free(store);
1300         return NULL;
1301 }
1302
1303 /* Try to load an engine in a shareable library */
1304 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1305         {
1306         ENGINE *e = ENGINE_by_id("dynamic");
1307         if (e)
1308                 {
1309                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1310                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1311                         {
1312                         ENGINE_free(e);
1313                         e = NULL;
1314                         }
1315                 }
1316         return e;
1317         }
1318
1319 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1320         {
1321         ENGINE *e = NULL;
1322
1323         if (engine)
1324                 {
1325                 if(strcmp(engine, "auto") == 0)
1326                         {
1327                         BIO_printf(err,"enabling auto ENGINE support\n");
1328                         ENGINE_register_all_complete();
1329                         return NULL;
1330                         }
1331                 if((e = ENGINE_by_id(engine)) == NULL
1332                         && (e = try_load_engine(err, engine, debug)) == NULL)
1333                         {
1334                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1335                         ERR_print_errors(err);
1336                         return NULL;
1337                         }
1338                 if (debug)
1339                         {
1340                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1341                                 0, err, 0);
1342                         }
1343                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1344                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1345                         {
1346                         BIO_printf(err,"can't use that engine\n");
1347                         ERR_print_errors(err);
1348                         ENGINE_free(e);
1349                         return NULL;
1350                         }
1351
1352                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1353
1354                 /* Free our "structural" reference. */
1355                 ENGINE_free(e);
1356                 }
1357         return e;
1358         }
1359
1360 int load_config(BIO *err, CONF *cnf)
1361         {
1362         if (!cnf)
1363                 cnf = config;
1364         if (!cnf)
1365                 return 1;
1366
1367         OPENSSL_load_builtin_modules();
1368
1369         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1370                 {
1371                 BIO_printf(err, "Error configuring OpenSSL\n");
1372                 ERR_print_errors(err);
1373                 return 0;
1374                 }
1375         return 1;
1376         }