apps/apps.c

   1 /* apps/apps.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111
 112 #include <stdio.h>
 113 #include <stdlib.h>
 114 #include <string.h>
 115 #include <sys/types.h>
 116 #include <sys/stat.h>
 117 #define NON_MAIN
 118 #include "apps.h"
 119 #undef NON_MAIN
 120 #include <openssl/err.h>
 121 #include <openssl/x509.h>
 122 #include <openssl/x509v3.h>
 123 #include <openssl/pem.h>
 124 #include <openssl/pkcs12.h>
 125 #include <openssl/ui.h>
 126 #include <openssl/safestack.h>
 127 #include <openssl/engine.h>
 128
 129 #ifdef OPENSSL_SYS_WINDOWS
 130 #define strcasecmp _stricmp
 131 #else
 132 #  ifdef NO_STRINGS_H
 133     int strcasecmp();
 134 #  else
 135 #    include <strings.h>
 136 #  endif /* NO_STRINGS_H */
 137 #endif
 138
 139 #ifdef OPENSSL_SYS_WINDOWS
 140 #  include "bss_file.c"
 141 #endif
 142
 143 typedef struct {
 144         char *name;
 145         unsigned long flag;
 146         unsigned long mask;
 147 } NAME_EX_TBL;
 148
 149 static UI_METHOD *ui_method = NULL;
 150
 151 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 152 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 153
 154 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 155 /* Looks like this stuff is worth moving into separate function */
 156 static EVP_PKEY *
 157 load_netscape_key(BIO *err, BIO *key, const char *file,
 158                 const char *key_descrip, int format);
 159 #endif
 160
 161 int app_init(long mesgwin);
 162 #ifdef undef /* never finished - probably never will be :-) */
 163 int args_from_file(char *file, int *argc, char **argv[])
 164         {
 165         FILE *fp;
 166         int num,i;
 167         unsigned int len;
 168         static char *buf=NULL;
 169         static char **arg=NULL;
 170         char *p;
 171         struct stat stbuf;
 172
 173         if (stat(file,&stbuf) < 0) return(0);
 174
 175         fp=fopen(file,"r");
 176         if (fp == NULL)
 177                 return(0);
 178
 179         *argc=0;
 180         *argv=NULL;
 181
 182         len=(unsigned int)stbuf.st_size;
 183         if (buf != NULL) OPENSSL_free(buf);
 184         buf=(char *)OPENSSL_malloc(len+1);
 185         if (buf == NULL) return(0);
 186
 187         len=fread(buf,1,len,fp);
 188         if (len <= 1) return(0);
 189         buf[len]='\0';
 190
 191         i=0;
 192         for (p=buf; *p; p++)
 193                 if (*p == '\n') i++;
 194         if (arg != NULL) OPENSSL_free(arg);
 195         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 196
 197         *argv=arg;
 198         num=0;
 199         p=buf;
 200         for (;;)
 201                 {
 202                 if (!*p) break;
 203                 if (*p == '#') /* comment line */
 204                         {
 205                         while (*p && (*p != '\n')) p++;
 206                         continue;
 207                         }
 208                 /* else we have a line */
 209                 *(arg++)=p;
 210                 num++;
 211                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 212                         p++;
 213                 if (!*p) break;
 214                 if (*p == '\n')
 215                         {
 216                         *(p++)='\0';
 217                         continue;
 218                         }
 219                 /* else it is a tab or space */
 220                 p++;
 221                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 222                         p++;
 223                 if (!*p) break;
 224                 if (*p == '\n')
 225                         {
 226                         p++;
 227                         continue;
 228                         }
 229                 *(arg++)=p++;
 230                 num++;
 231                 while (*p && (*p != '\n')) p++;
 232                 if (!*p) break;
 233                 /* else *p == '\n' */
 234                 *(p++)='\0';
 235                 }
 236         *argc=num;
 237         return(1);
 238         }
 239 #endif
 240
 241 int str2fmt(char *s)
 242         {
 243         if      ((*s == 'D') || (*s == 'd'))
 244                 return(FORMAT_ASN1);
 245         else if ((*s == 'T') || (*s == 't'))
 246                 return(FORMAT_TEXT);
 247         else if ((*s == 'P') || (*s == 'p'))
 248                 return(FORMAT_PEM);
 249         else if ((*s == 'N') || (*s == 'n'))
 250                 return(FORMAT_NETSCAPE);
 251         else if ((*s == 'S') || (*s == 's'))
 252                 return(FORMAT_SMIME);
 253         else if ((*s == '1')
 254                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 255                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 256                 return(FORMAT_PKCS12);
 257         else if ((*s == 'E') || (*s == 'e'))
 258                 return(FORMAT_ENGINE);
 259         else
 260                 return(FORMAT_UNDEF);
 261         }
 262
 263 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
 264 void program_name(char *in, char *out, int size)
 265         {
 266         int i,n;
 267         char *p=NULL;
 268
 269         n=strlen(in);
 270         /* find the last '/', '\' or ':' */
 271         for (i=n-1; i>0; i--)
 272                 {
 273                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 274                         {
 275                         p= &(in[i+1]);
 276                         break;
 277                         }
 278                 }
 279         if (p == NULL)
 280                 p=in;
 281         n=strlen(p);
 282         /* strip off trailing .exe if present. */
 283         if ((n > 4) && (p[n-4] == '.') &&
 284                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 285                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 286                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 287                 n-=4;
 288         if (n > size-1)
 289                 n=size-1;
 290
 291         for (i=0; i<n; i++)
 292                 {
 293                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 294                         out[i]=p[i]-'A'+'a';
 295                 else
 296                         out[i]=p[i];
 297                 }
 298         out[n]='\0';
 299         }
 300 #else
 301 #ifdef OPENSSL_SYS_VMS
 302 void program_name(char *in, char *out, int size)
 303         {
 304         char *p=in, *q;
 305         char *chars=":]>";
 306
 307         while(*chars != '\0')
 308                 {
 309                 q=strrchr(p,*chars);
 310                 if (q > p)
 311                         p = q + 1;
 312                 chars++;
 313                 }
 314
 315         q=strrchr(p,'.');
 316         if (q == NULL)
 317                 q = p + strlen(p);
 318         strncpy(out,p,size-1);
 319         if (q-p >= size)
 320                 {
 321                 out[size-1]='\0';
 322                 }
 323         else
 324                 {
 325                 out[q-p]='\0';
 326                 }
 327         }
 328 #else
 329 void program_name(char *in, char *out, int size)
 330         {
 331         char *p;
 332
 333         p=strrchr(in,'/');
 334         if (p != NULL)
 335                 p++;
 336         else
 337                 p=in;
 338         strncpy(out,p,size-1);
 339         out[size-1]='\0';
 340         }
 341 #endif
 342 #endif
 343
 344 #ifdef OPENSSL_SYS_WIN32
 345 int WIN32_rename(char *from, char *to)
 346         {
 347         /* Windows rename gives an error if 'to' exists, so delete it
 348          * first and ignore file not found errror
 349          */
 350         if((remove(to) != 0) && (errno != ENOENT))
 351                 return -1;
 352 #undef rename
 353         return rename(from, to);
 354         }
 355 #endif
 356
 357 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 358         {
 359         int num,len,i;
 360         char *p;
 361
 362         *argc=0;
 363         *argv=NULL;
 364
 365         len=strlen(buf);
 366         i=0;
 367         if (arg->count == 0)
 368                 {
 369                 arg->count=20;
 370                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 371                 }
 372         for (i=0; i<arg->count; i++)
 373                 arg->data[i]=NULL;
 374
 375         num=0;
 376         p=buf;
 377         for (;;)
 378                 {
 379                 /* first scan over white space */
 380                 if (!*p) break;
 381                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 382                         p++;
 383                 if (!*p) break;
 384
 385                 /* The start of something good :-) */
 386                 if (num >= arg->count)
 387                         {
 388                         arg->count+=20;
 389                         arg->data=(char **)OPENSSL_realloc(arg->data,
 390                                 sizeof(char *)*arg->count);
 391                         if (argc == 0) return(0);
 392                         }
 393                 arg->data[num++]=p;
 394
 395                 /* now look for the end of this */
 396                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 397                         {
 398                         i= *(p++);
 399                         arg->data[num-1]++; /* jump over quote */
 400                         while (*p && (*p != i))
 401                                 p++;
 402                         *p='\0';
 403                         }
 404                 else
 405                         {
 406                         while (*p && ((*p != ' ') &&
 407                                 (*p != '\t') && (*p != '\n')))
 408                                 p++;
 409
 410                         if (*p == '\0')
 411                                 p--;
 412                         else
 413                                 *p='\0';
 414                         }
 415                 p++;
 416                 }
 417         *argc=num;
 418         *argv=arg->data;
 419         return(1);
 420         }
 421
 422 #ifndef APP_INIT
 423 int app_init(long mesgwin)
 424         {
 425         return(1);
 426         }
 427 #endif
 428
 429
 430 int dump_cert_text (BIO *out, X509 *x)
 431 {
 432         char buf[256];
 433         X509_NAME_oneline(X509_get_subject_name(x),buf,256);
 434         BIO_puts(out,"subject=");
 435         BIO_puts(out,buf);
 436
 437         X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
 438         BIO_puts(out,"\nissuer= ");
 439         BIO_puts(out,buf);
 440         BIO_puts(out,"\n");
 441         return 0;
 442 }
 443
 444 static int ui_open(UI *ui)
 445         {
 446         return UI_method_get_opener(UI_OpenSSL())(ui);
 447         }
 448 static int ui_read(UI *ui, UI_STRING *uis)
 449         {
 450         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 451                 && UI_get0_user_data(ui))
 452                 {
 453                 switch(UI_get_string_type(uis))
 454                         {
 455                 case UIT_PROMPT:
 456                 case UIT_VERIFY:
 457                         {
 458                         const char *password =
 459                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 460                         if (password[0] != '\0')
 461                                 {
 462                                 UI_set_result(ui, uis, password);
 463                                 return 1;
 464                                 }
 465                         }
 466                 default:
 467                         break;
 468                         }
 469                 }
 470         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 471         }
 472 static int ui_write(UI *ui, UI_STRING *uis)
 473         {
 474         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 475                 && UI_get0_user_data(ui))
 476                 {
 477                 switch(UI_get_string_type(uis))
 478                         {
 479                 case UIT_PROMPT:
 480                 case UIT_VERIFY:
 481                         {
 482                         const char *password =
 483                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 484                         if (password[0] != '\0')
 485                                 return 1;
 486                         }
 487                 default:
 488                         break;
 489                         }
 490                 }
 491         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 492         }
 493 static int ui_close(UI *ui)
 494         {
 495         return UI_method_get_closer(UI_OpenSSL())(ui);
 496         }
 497 int setup_ui_method(void)
 498         {
 499         ui_method = UI_create_method("OpenSSL application user interface");
 500         UI_method_set_opener(ui_method, ui_open);
 501         UI_method_set_reader(ui_method, ui_read);
 502         UI_method_set_writer(ui_method, ui_write);
 503         UI_method_set_closer(ui_method, ui_close);
 504         return 0;
 505         }
 506 void destroy_ui_method(void)
 507         {
 508         if(ui_method)
 509                 {
 510                 UI_destroy_method(ui_method);
 511                 ui_method = NULL;
 512                 }
 513         }
 514 int password_callback(char *buf, int bufsiz, int verify,
 515         PW_CB_DATA *cb_tmp)
 516         {
 517         UI *ui = NULL;
 518         int res = 0;
 519         const char *prompt_info = NULL;
 520         const char *password = NULL;
 521         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 522
 523         if (cb_data)
 524                 {
 525                 if (cb_data->password)
 526                         password = cb_data->password;
 527                 if (cb_data->prompt_info)
 528                         prompt_info = cb_data->prompt_info;
 529                 }
 530
 531         if (password)
 532                 {
 533                 res = strlen(password);
 534                 if (res > bufsiz)
 535                         res = bufsiz;
 536                 memcpy(buf, password, res);
 537                 return res;
 538                 }
 539
 540         ui = UI_new_method(ui_method);
 541         if (ui)
 542                 {
 543                 int ok = 0;
 544                 char *buff = NULL;
 545                 int ui_flags = 0;
 546                 char *prompt = NULL;
 547
 548                 prompt = UI_construct_prompt(ui, "pass phrase",
 549                         cb_data->prompt_info);
 550
 551                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 552                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 553
 554                 if (ok >= 0)
 555                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 556                                 PW_MIN_LENGTH,BUFSIZ-1);
 557                 if (ok >= 0 && verify)
 558                         {
 559                         buff = (char *)OPENSSL_malloc(bufsiz);
 560                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 561                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 562                         }
 563                 if (ok >= 0)
 564                         do
 565                                 {
 566                                 ok = UI_process(ui);
 567                                 }
 568                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 569
 570                 if (buff)
 571                         {
 572                         memset(buff,0,(unsigned int)bufsiz);
 573                         OPENSSL_free(buff);
 574                         }
 575
 576                 if (ok >= 0)
 577                         res = strlen(buf);
 578                 if (ok == -1)
 579                         {
 580                         BIO_printf(bio_err, "User interface error\n");
 581                         ERR_print_errors(bio_err);
 582                         memset(buf,0,(unsigned int)bufsiz);
 583                         res = 0;
 584                         }
 585                 if (ok == -2)
 586                         {
 587                         BIO_printf(bio_err,"aborted!\n");
 588                         memset(buf,0,(unsigned int)bufsiz);
 589                         res = 0;
 590                         }
 591                 UI_free(ui);
 592                 OPENSSL_free(prompt);
 593                 }
 594         return res;
 595         }
 596
 597 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 598
 599 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 600 {
 601         int same;
 602         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 603         else same = 1;
 604         if(arg1) {
 605                 *pass1 = app_get_pass(err, arg1, same);
 606                 if(!*pass1) return 0;
 607         } else if(pass1) *pass1 = NULL;
 608         if(arg2) {
 609                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 610                 if(!*pass2) return 0;
 611         } else if(pass2) *pass2 = NULL;
 612         return 1;
 613 }
 614
 615 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 616 {
 617         char *tmp, tpass[APP_PASS_LEN];
 618         static BIO *pwdbio = NULL;
 619         int i;
 620         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 621         if(!strncmp(arg, "env:", 4)) {
 622                 tmp = getenv(arg + 4);
 623                 if(!tmp) {
 624                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 625                         return NULL;
 626                 }
 627                 return BUF_strdup(tmp);
 628         }
 629         if(!keepbio || !pwdbio) {
 630                 if(!strncmp(arg, "file:", 5)) {
 631                         pwdbio = BIO_new_file(arg + 5, "r");
 632                         if(!pwdbio) {
 633                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 634                                 return NULL;
 635                         }
 636                 } else if(!strncmp(arg, "fd:", 3)) {
 637                         BIO *btmp;
 638                         i = atoi(arg + 3);
 639                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 640                         if((i < 0) || !pwdbio) {
 641                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 642                                 return NULL;
 643                         }
 644                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 645                         btmp = BIO_new(BIO_f_buffer());
 646                         pwdbio = BIO_push(btmp, pwdbio);
 647                 } else if(!strcmp(arg, "stdin")) {
 648                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 649                         if(!pwdbio) {
 650                                 BIO_printf(err, "Can't open BIO for stdin\n");
 651                                 return NULL;
 652                         }
 653                 } else {
 654                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 655                         return NULL;
 656                 }
 657         }
 658         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 659         if(keepbio != 1) {
 660                 BIO_free_all(pwdbio);
 661                 pwdbio = NULL;
 662         }
 663         if(i <= 0) {
 664                 BIO_printf(err, "Error reading password from BIO\n");
 665                 return NULL;
 666         }
 667         tmp = strchr(tpass, '\n');
 668         if(tmp) *tmp = 0;
 669         return BUF_strdup(tpass);
 670 }
 671
 672 int add_oid_section(BIO *err, CONF *conf)
 673 {
 674         char *p;
 675         STACK_OF(CONF_VALUE) *sktmp;
 676         CONF_VALUE *cnf;
 677         int i;
 678         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 679                 {
 680                 ERR_clear_error();
 681                 return 1;
 682                 }
 683         if(!(sktmp = NCONF_get_section(conf, p))) {
 684                 BIO_printf(err, "problem loading oid section %s\n", p);
 685                 return 0;
 686         }
 687         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 688                 cnf = sk_CONF_VALUE_value(sktmp, i);
 689                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 690                         BIO_printf(err, "problem creating object %s=%s\n",
 691                                                          cnf->name, cnf->value);
 692                         return 0;
 693                 }
 694         }
 695         return 1;
 696 }
 697
 698 X509 *load_cert(BIO *err, const char *file, int format,
 699         const char *pass, ENGINE *e, const char *cert_descrip)
 700         {
 701         ASN1_HEADER *ah=NULL;
 702         BUF_MEM *buf=NULL;
 703         X509 *x=NULL;
 704         BIO *cert;
 705
 706         if ((cert=BIO_new(BIO_s_file())) == NULL)
 707                 {
 708                 ERR_print_errors(err);
 709                 goto end;
 710                 }
 711
 712         if (file == NULL)
 713                 {
 714                 setvbuf(stdin, NULL, _IONBF, 0);
 715                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 716                 }
 717         else
 718                 {
 719                 if (BIO_read_filename(cert,file) <= 0)
 720                         {
 721                         BIO_printf(err, "Error opening %s %s\n",
 722                                 cert_descrip, file);
 723                         ERR_print_errors(err);
 724                         goto end;
 725                         }
 726                 }
 727
 728         if      (format == FORMAT_ASN1)
 729                 x=d2i_X509_bio(cert,NULL);
 730         else if (format == FORMAT_NETSCAPE)
 731                 {
 732                 unsigned char *p,*op;
 733                 int size=0,i;
 734
 735                 /* We sort of have to do it this way because it is sort of nice
 736                  * to read the header first and check it, then
 737                  * try to read the certificate */
 738                 buf=BUF_MEM_new();
 739                 for (;;)
 740                         {
 741                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 742                                 goto end;
 743                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 744                         size+=i;
 745                         if (i == 0) break;
 746                         if (i < 0)
 747                                 {
 748                                 perror("reading certificate");
 749                                 goto end;
 750                                 }
 751                         }
 752                 p=(unsigned char *)buf->data;
 753                 op=p;
 754
 755                 /* First load the header */
 756                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 757                         goto end;
 758                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 759                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 760                         ah->header->length) != 0))
 761                         {
 762                         BIO_printf(err,"Error reading header on certificate\n");
 763                         goto end;
 764                         }
 765                 /* header is ok, so now read the object */
 766                 p=op;
 767                 ah->meth=X509_asn1_meth();
 768                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 769                         goto end;
 770                 x=(X509 *)ah->data;
 771                 ah->data=NULL;
 772                 }
 773         else if (format == FORMAT_PEM)
 774                 x=PEM_read_bio_X509_AUX(cert,NULL,
 775                         (pem_password_cb *)password_callback, NULL);
 776         else if (format == FORMAT_PKCS12)
 777                 {
 778                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
 779
 780                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
 781                 PKCS12_free(p12);
 782                 p12 = NULL;
 783                 }
 784         else    {
 785                 BIO_printf(err,"bad input format specified for %s\n",
 786                         cert_descrip);
 787                 goto end;
 788                 }
 789 end:
 790         if (x == NULL)
 791                 {
 792                 BIO_printf(err,"unable to load certificate\n");
 793                 ERR_print_errors(err);
 794                 }
 795         if (ah != NULL) ASN1_HEADER_free(ah);
 796         if (cert != NULL) BIO_free(cert);
 797         if (buf != NULL) BUF_MEM_free(buf);
 798         return(x);
 799         }
 800
 801 EVP_PKEY *load_key(BIO *err, const char *file, int format,
 802         const char *pass, ENGINE *e, const char *key_descrip)
 803         {
 804         BIO *key=NULL;
 805         EVP_PKEY *pkey=NULL;
 806         PW_CB_DATA cb_data;
 807
 808         cb_data.password = pass;
 809         cb_data.prompt_info = file;
 810
 811         if (file == NULL)
 812                 {
 813                 BIO_printf(err,"no keyfile specified\n");
 814                 goto end;
 815                 }
 816         if (format == FORMAT_ENGINE)
 817                 {
 818                 if (!e)
 819                         BIO_printf(bio_err,"no engine specified\n");
 820                 else
 821                         pkey = ENGINE_load_private_key(e, file,
 822                                 ui_method, &cb_data);
 823                 goto end;
 824                 }
 825         key=BIO_new(BIO_s_file());
 826         if (key == NULL)
 827                 {
 828                 ERR_print_errors(err);
 829                 goto end;
 830                 }
 831         if (BIO_read_filename(key,file) <= 0)
 832                 {
 833                 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
 834                 ERR_print_errors(err);
 835                 goto end;
 836                 }
 837         if (format == FORMAT_ASN1)
 838                 {
 839                 pkey=d2i_PrivateKey_bio(key, NULL);
 840                 }
 841         else if (format == FORMAT_PEM)
 842                 {
 843                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 844                         (pem_password_cb *)password_callback, &cb_data);
 845                 }
 846 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 847         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 848                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 849 #endif
 850         else if (format == FORMAT_PKCS12)
 851                 {
 852                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
 853
 854                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
 855                 PKCS12_free(p12);
 856                 p12 = NULL;
 857                 }
 858         else
 859                 {
 860                 BIO_printf(err,"bad input format specified for key file\n");
 861                 goto end;
 862                 }
 863  end:
 864         if (key != NULL) BIO_free(key);
 865         if (pkey == NULL)
 866                 BIO_printf(err,"unable to load %s\n", key_descrip);
 867         return(pkey);
 868         }
 869
 870 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format,
 871         const char *pass, ENGINE *e, const char *key_descrip)
 872         {
 873         BIO *key=NULL;
 874         EVP_PKEY *pkey=NULL;
 875         PW_CB_DATA cb_data;
 876
 877         cb_data.password = pass;
 878         cb_data.prompt_info = file;
 879
 880         if (file == NULL)
 881                 {
 882                 BIO_printf(err,"no keyfile specified\n");
 883                 goto end;
 884                 }
 885         if (format == FORMAT_ENGINE)
 886                 {
 887                 if (!e)
 888                         BIO_printf(bio_err,"no engine specified\n");
 889                 else
 890                         pkey = ENGINE_load_public_key(e, file,
 891                                 ui_method, &cb_data);
 892                 goto end;
 893                 }
 894         key=BIO_new(BIO_s_file());
 895         if (key == NULL)
 896                 {
 897                 ERR_print_errors(err);
 898                 goto end;
 899                 }
 900         if (BIO_read_filename(key,file) <= 0)
 901                 {
 902                 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
 903                 ERR_print_errors(err);
 904                 goto end;
 905                 }
 906         if (format == FORMAT_ASN1)
 907                 {
 908                 pkey=d2i_PUBKEY_bio(key, NULL);
 909                 }
 910         else if (format == FORMAT_PEM)
 911                 {
 912                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 913                         (pem_password_cb *)password_callback, &cb_data);
 914                 }
 915 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 916         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 917                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 918 #endif
 919         else
 920                 {
 921                 BIO_printf(err,"bad input format specified for key file\n");
 922                 goto end;
 923                 }
 924  end:
 925         if (key != NULL) BIO_free(key);
 926         if (pkey == NULL)
 927                 BIO_printf(err,"unable to load %s\n", key_descrip);
 928         return(pkey);
 929         }
 930
 931 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 932 static EVP_PKEY *
 933 load_netscape_key(BIO *err, BIO *key, const char *file,
 934                 const char *key_descrip, int format)
 935         {
 936         EVP_PKEY *pkey;
 937         BUF_MEM *buf;
 938         RSA     *rsa;
 939         const unsigned char *p;
 940         int size, i;
 941
 942         buf=BUF_MEM_new();
 943         pkey = EVP_PKEY_new();
 944         size = 0;
 945         if (buf == NULL || pkey == NULL)
 946                 goto error;
 947         for (;;)
 948                 {
 949                 if (!BUF_MEM_grow(buf,size+1024*10))
 950                         goto error;
 951                 i = BIO_read(key, &(buf->data[size]), 1024*10);
 952                 size += i;
 953                 if (i == 0)
 954                         break;
 955                 if (i < 0)
 956                         {
 957                                 BIO_printf(err, "Error reading %s %s",
 958                                         key_descrip, file);
 959                                 goto error;
 960                         }
 961                 }
 962         p=(unsigned char *)buf->data;
 963         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
 964                 (format == FORMAT_IISSGC ? 1 : 0));
 965         if (rsa == NULL)
 966                 goto error;
 967         BUF_MEM_free(buf);
 968         EVP_PKEY_set1_RSA(pkey, rsa);
 969         return pkey;
 970 error:
 971         BUF_MEM_free(buf);
 972         EVP_PKEY_free(pkey);
 973         return NULL;
 974         }
 975 #endif /* ndef OPENSSL_NO_RC4 */
 976
 977 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
 978         const char *pass, ENGINE *e, const char *cert_descrip)
 979         {
 980         BIO *certs;
 981         int i;
 982         STACK_OF(X509) *othercerts = NULL;
 983         STACK_OF(X509_INFO) *allcerts = NULL;
 984         X509_INFO *xi;
 985         PW_CB_DATA cb_data;
 986
 987         cb_data.password = pass;
 988         cb_data.prompt_info = file;
 989
 990         if((certs = BIO_new(BIO_s_file())) == NULL)
 991                 {
 992                 ERR_print_errors(err);
 993                 goto end;
 994                 }
 995
 996         if (file == NULL)
 997                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
 998         else
 999                 {
1000                 if (BIO_read_filename(certs,file) <= 0)
1001                         {
1002                         BIO_printf(err, "Error opening %s %s\n",
1003                                 cert_descrip, file);
1004                         ERR_print_errors(err);
1005                         goto end;
1006                         }
1007                 }
1008
1009         if      (format == FORMAT_PEM)
1010                 {
1011                 othercerts = sk_X509_new_null();
1012                 if(!othercerts)
1013                         {
1014                         sk_X509_free(othercerts);
1015                         othercerts = NULL;
1016                         goto end;
1017                         }
1018                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1019                                 (pem_password_cb *)password_callback, &cb_data);
1020                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1021                         {
1022                         xi = sk_X509_INFO_value (allcerts, i);
1023                         if (xi->x509)
1024                                 {
1025                                 sk_X509_push(othercerts, xi->x509);
1026                                 xi->x509 = NULL;
1027                                 }
1028                         }
1029                 goto end;
1030                 }
1031         else    {
1032                 BIO_printf(err,"bad input format specified for %s\n",
1033                         cert_descrip);
1034                 goto end;
1035                 }
1036 end:
1037         if (othercerts == NULL)
1038                 {
1039                 BIO_printf(err,"unable to load certificates\n");
1040                 ERR_print_errors(err);
1041                 }
1042         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1043         if (certs != NULL) BIO_free(certs);
1044         return(othercerts);
1045         }
1046
1047
1048 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1049 /* Return error for unknown extensions */
1050 #define X509V3_EXT_DEFAULT              0
1051 /* Print error for unknown extensions */
1052 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1053 /* ASN1 parse unknown extensions */
1054 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1055 /* BIO_dump unknown extensions */
1056 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1057
1058 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1059                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1060
1061 int set_cert_ex(unsigned long *flags, const char *arg)
1062 {
1063         static const NAME_EX_TBL cert_tbl[] = {
1064                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1065                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1066                 { "no_header", X509_FLAG_NO_HEADER, 0},
1067                 { "no_version", X509_FLAG_NO_VERSION, 0},
1068                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1069                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1070                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1071                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1072                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1073                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1074                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1075                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1076                 { "no_aux", X509_FLAG_NO_AUX, 0},
1077                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1078                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1079                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1080                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1081                 { NULL, 0, 0}
1082         };
1083         return set_multi_opts(flags, arg, cert_tbl);
1084 }
1085
1086 int set_name_ex(unsigned long *flags, const char *arg)
1087 {
1088         static const NAME_EX_TBL ex_tbl[] = {
1089                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1090                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1091                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1092                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1093                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1094                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1095                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1096                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1097                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1098                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1099                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1100                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1101                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1102                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1103                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1104                 { "dn_rev", XN_FLAG_DN_REV, 0},
1105                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1106                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1107                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1108                 { "align", XN_FLAG_FN_ALIGN, 0},
1109                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1110                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1111                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1112                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1113                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1114                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1115                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1116                 { NULL, 0, 0}
1117         };
1118         return set_multi_opts(flags, arg, ex_tbl);
1119 }
1120
1121 int set_ext_copy(int *copy_type, const char *arg)
1122 {
1123         if (!strcasecmp(arg, "none"))
1124                 *copy_type = EXT_COPY_NONE;
1125         else if (!strcasecmp(arg, "copy"))
1126                 *copy_type = EXT_COPY_ADD;
1127         else if (!strcasecmp(arg, "copyall"))
1128                 *copy_type = EXT_COPY_ALL;
1129         else
1130                 return 0;
1131         return 1;
1132 }
1133
1134 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1135 {
1136         STACK_OF(X509_EXTENSION) *exts = NULL;
1137         X509_EXTENSION *ext, *tmpext;
1138         ASN1_OBJECT *obj;
1139         int i, idx, ret = 0;
1140         if (!x || !req || (copy_type == EXT_COPY_NONE))
1141                 return 1;
1142         exts = X509_REQ_get_extensions(req);
1143
1144         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1145                 ext = sk_X509_EXTENSION_value(exts, i);
1146                 obj = X509_EXTENSION_get_object(ext);
1147                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1148                 /* Does extension exist? */
1149                 if (idx != -1) {
1150                         /* If normal copy don't override existing extension */
1151                         if (copy_type == EXT_COPY_ADD)
1152                                 continue;
1153                         /* Delete all extensions of same type */
1154                         do {
1155                                 tmpext = X509_get_ext(x, idx);
1156                                 X509_delete_ext(x, idx);
1157                                 X509_EXTENSION_free(tmpext);
1158                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1159                         } while (idx != -1);
1160                 }
1161                 if (!X509_add_ext(x, ext, -1))
1162                         goto end;
1163         }
1164
1165         ret = 1;
1166
1167         end:
1168
1169         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1170
1171         return ret;
1172 }
1173
1174
1175
1176
1177 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1178 {
1179         STACK_OF(CONF_VALUE) *vals;
1180         CONF_VALUE *val;
1181         int i, ret = 1;
1182         if(!arg) return 0;
1183         vals = X509V3_parse_list(arg);
1184         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1185                 val = sk_CONF_VALUE_value(vals, i);
1186                 if (!set_table_opts(flags, val->name, in_tbl))
1187                         ret = 0;
1188         }
1189         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1190         return ret;
1191 }
1192
1193 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1194 {
1195         char c;
1196         const NAME_EX_TBL *ptbl;
1197         c = arg[0];
1198
1199         if(c == '-') {
1200                 c = 0;
1201                 arg++;
1202         } else if (c == '+') {
1203                 c = 1;
1204                 arg++;
1205         } else c = 1;
1206
1207         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1208                 if(!strcasecmp(arg, ptbl->name)) {
1209                         *flags &= ~ptbl->mask;
1210                         if(c) *flags |= ptbl->flag;
1211                         else *flags &= ~ptbl->flag;
1212                         return 1;
1213                 }
1214         }
1215         return 0;
1216 }
1217
1218 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1219 {
1220         char buf[256];
1221         char mline = 0;
1222         int indent = 0;
1223         if(title) BIO_puts(out, title);
1224         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1225                 mline = 1;
1226                 indent = 4;
1227         }
1228         if(lflags == XN_FLAG_COMPAT) {
1229                 X509_NAME_oneline(nm,buf,256);
1230                 BIO_puts(out,buf);
1231                 BIO_puts(out, "\n");
1232         } else {
1233                 if(mline) BIO_puts(out, "\n");
1234                 X509_NAME_print_ex(out, nm, indent, lflags);
1235                 BIO_puts(out, "\n");
1236         }
1237 }
1238
1239 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1240 {
1241         X509_STORE *store;
1242         X509_LOOKUP *lookup;
1243         if(!(store = X509_STORE_new())) goto end;
1244         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1245         if (lookup == NULL) goto end;
1246         if (CAfile) {
1247                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1248                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1249                         goto end;
1250                 }
1251         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1252
1253         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1254         if (lookup == NULL) goto end;
1255         if (CApath) {
1256                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1257                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1258                         goto end;
1259                 }
1260         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1261
1262         ERR_clear_error();
1263         return store;
1264         end:
1265         X509_STORE_free(store);
1266         return NULL;
1267 }
1268
1269 /* Try to load an engine in a shareable library */
1270 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1271         {
1272         ENGINE *e = ENGINE_by_id("dynamic");
1273         if (e)
1274                 {
1275                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1276                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1277                         {
1278                         ENGINE_free(e);
1279                         e = NULL;
1280                         }
1281                 }
1282         return e;
1283         }
1284
1285 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1286         {
1287         ENGINE *e = NULL;
1288
1289         if (engine)
1290                 {
1291                 if(strcmp(engine, "auto") == 0)
1292                         {
1293                         BIO_printf(err,"enabling auto ENGINE support\n");
1294                         ENGINE_register_all_complete();
1295                         return NULL;
1296                         }
1297                 if((e = ENGINE_by_id(engine)) == NULL
1298                         && (e = try_load_engine(err, engine, debug)) == NULL)
1299                         {
1300                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1301                         ERR_print_errors(err);
1302                         return NULL;
1303                         }
1304                 if (debug)
1305                         {
1306                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1307                                 0, err, 0);
1308                         }
1309                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1310                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1311                         {
1312                         BIO_printf(err,"can't use that engine\n");
1313                         ERR_print_errors(err);
1314                         ENGINE_free(e);
1315                         return NULL;
1316                         }
1317
1318                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1319
1320                 /* Free our "structural" reference. */
1321                 ENGINE_free(e);
1322                 }
1323         return e;
1324         }
1325
1326 int load_config(BIO *err, CONF *cnf)
1327         {
1328         if (!cnf)
1329                 cnf = config;
1330         if (!cnf)
1331                 return 1;
1332
1333         OPENSSL_load_builtin_modules();
1334
1335         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1336                 {
1337                 BIO_printf(err, "Error configuring OpenSSL\n");
1338                 ERR_print_errors(err);
1339                 return 0;
1340                 }
1341         return 1;
1342         }