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 #define _POSIX_C_SOURCE 2       /* On VMS, you need to define this to get
 113                                    the declaration of fileno().  The value
 114                                    2 is to make sure no function defined
 115                                    in POSIX-2 is left undefined. */
 116 #include <stdio.h>
 117 #include <stdlib.h>
 118 #include <string.h>
 119 #include <sys/types.h>
 120 #include <ctype.h>
 121 #include <errno.h>
 122 #include <openssl/err.h>
 123 #include <openssl/x509.h>
 124 #include <openssl/x509v3.h>
 125 #include <openssl/pem.h>
 126 #include <openssl/pkcs12.h>
 127 #include <openssl/ui.h>
 128 #include <openssl/safestack.h>
 129 #ifndef OPENSSL_NO_ENGINE
 130 #include <openssl/engine.h>
 131 #endif
 132 #ifndef OPENSSL_NO_RSA
 133 #include <openssl/rsa.h>
 134 #endif
 135 #include <openssl/bn.h>
 136
 137 #define NON_MAIN
 138 #include "apps.h"
 139 #undef NON_MAIN
 140
 141 #ifdef _WIN32
 142 static int WIN32_rename(const char *from, const char *to);
 143 #define rename(from,to) WIN32_rename((from),(to))
 144 #endif
 145
 146 typedef struct {
 147         const char *name;
 148         unsigned long flag;
 149         unsigned long mask;
 150 } NAME_EX_TBL;
 151
 152 static UI_METHOD *ui_method = NULL;
 153
 154 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 155 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 156
 157 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 158 /* Looks like this stuff is worth moving into separate function */
 159 static EVP_PKEY *
 160 load_netscape_key(BIO *err, BIO *key, const char *file,
 161                 const char *key_descrip, int format);
 162 #endif
 163
 164 int app_init(long mesgwin);
 165 #ifdef undef /* never finished - probably never will be :-) */
 166 int args_from_file(char *file, int *argc, char **argv[])
 167         {
 168         FILE *fp;
 169         int num,i;
 170         unsigned int len;
 171         static char *buf=NULL;
 172         static char **arg=NULL;
 173         char *p;
 174
 175         fp=fopen(file,"r");
 176         if (fp == NULL)
 177                 return(0);
 178
 179         if (fseek(fp,0,SEEK_END)==0)
 180                 len=ftell(fp), rewind(fp);
 181         else    len=-1;
 182         if (len<=0)
 183                 {
 184                 fclose(fp);
 185                 return(0);
 186                 }
 187
 188         *argc=0;
 189         *argv=NULL;
 190
 191         if (buf != NULL) OPENSSL_free(buf);
 192         buf=(char *)OPENSSL_malloc(len+1);
 193         if (buf == NULL) return(0);
 194
 195         len=fread(buf,1,len,fp);
 196         if (len <= 1) return(0);
 197         buf[len]='\0';
 198
 199         i=0;
 200         for (p=buf; *p; p++)
 201                 if (*p == '\n') i++;
 202         if (arg != NULL) OPENSSL_free(arg);
 203         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 204
 205         *argv=arg;
 206         num=0;
 207         p=buf;
 208         for (;;)
 209                 {
 210                 if (!*p) break;
 211                 if (*p == '#') /* comment line */
 212                         {
 213                         while (*p && (*p != '\n')) p++;
 214                         continue;
 215                         }
 216                 /* else we have a line */
 217                 *(arg++)=p;
 218                 num++;
 219                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 220                         p++;
 221                 if (!*p) break;
 222                 if (*p == '\n')
 223                         {
 224                         *(p++)='\0';
 225                         continue;
 226                         }
 227                 /* else it is a tab or space */
 228                 p++;
 229                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 230                         p++;
 231                 if (!*p) break;
 232                 if (*p == '\n')
 233                         {
 234                         p++;
 235                         continue;
 236                         }
 237                 *(arg++)=p++;
 238                 num++;
 239                 while (*p && (*p != '\n')) p++;
 240                 if (!*p) break;
 241                 /* else *p == '\n' */
 242                 *(p++)='\0';
 243                 }
 244         *argc=num;
 245         return(1);
 246         }
 247 #endif
 248
 249 int str2fmt(char *s)
 250         {
 251         if      ((*s == 'D') || (*s == 'd'))
 252                 return(FORMAT_ASN1);
 253         else if ((*s == 'T') || (*s == 't'))
 254                 return(FORMAT_TEXT);
 255         else if ((*s == 'P') || (*s == 'p'))
 256                 {
 257                 if (s[1] == 'V' || s[1] == 'v')
 258                         return FORMAT_PVK;
 259                 else
 260                         return(FORMAT_PEM);
 261                 }
 262         else if ((*s == 'N') || (*s == 'n'))
 263                 return(FORMAT_NETSCAPE);
 264         else if ((*s == 'S') || (*s == 's'))
 265                 return(FORMAT_SMIME);
 266         else if ((*s == 'M') || (*s == 'm'))
 267                 return(FORMAT_MSBLOB);
 268         else if ((*s == '1')
 269                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 270                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 271                 return(FORMAT_PKCS12);
 272         else if ((*s == 'E') || (*s == 'e'))
 273                 return(FORMAT_ENGINE);
 274         else
 275                 return(FORMAT_UNDEF);
 276         }
 277
 278 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 279 void program_name(char *in, char *out, int size)
 280         {
 281         int i,n;
 282         char *p=NULL;
 283
 284         n=strlen(in);
 285         /* find the last '/', '\' or ':' */
 286         for (i=n-1; i>0; i--)
 287                 {
 288                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 289                         {
 290                         p= &(in[i+1]);
 291                         break;
 292                         }
 293                 }
 294         if (p == NULL)
 295                 p=in;
 296         n=strlen(p);
 297
 298 #if defined(OPENSSL_SYS_NETWARE)
 299    /* strip off trailing .nlm if present. */
 300    if ((n > 4) && (p[n-4] == '.') &&
 301       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 302       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 303       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 304       n-=4;
 305 #else
 306         /* strip off trailing .exe if present. */
 307         if ((n > 4) && (p[n-4] == '.') &&
 308                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 309                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 310                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 311                 n-=4;
 312 #endif
 313
 314         if (n > size-1)
 315                 n=size-1;
 316
 317         for (i=0; i<n; i++)
 318                 {
 319                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 320                         out[i]=p[i]-'A'+'a';
 321                 else
 322                         out[i]=p[i];
 323                 }
 324         out[n]='\0';
 325         }
 326 #else
 327 #ifdef OPENSSL_SYS_VMS
 328 void program_name(char *in, char *out, int size)
 329         {
 330         char *p=in, *q;
 331         char *chars=":]>";
 332
 333         while(*chars != '\0')
 334                 {
 335                 q=strrchr(p,*chars);
 336                 if (q > p)
 337                         p = q + 1;
 338                 chars++;
 339                 }
 340
 341         q=strrchr(p,'.');
 342         if (q == NULL)
 343                 q = p + strlen(p);
 344         strncpy(out,p,size-1);
 345         if (q-p >= size)
 346                 {
 347                 out[size-1]='\0';
 348                 }
 349         else
 350                 {
 351                 out[q-p]='\0';
 352                 }
 353         }
 354 #else
 355 void program_name(char *in, char *out, int size)
 356         {
 357         char *p;
 358
 359         p=strrchr(in,'/');
 360         if (p != NULL)
 361                 p++;
 362         else
 363                 p=in;
 364         BUF_strlcpy(out,p,size);
 365         }
 366 #endif
 367 #endif
 368
 369 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 370         {
 371         int num,len,i;
 372         char *p;
 373
 374         *argc=0;
 375         *argv=NULL;
 376
 377         len=strlen(buf);
 378         i=0;
 379         if (arg->count == 0)
 380                 {
 381                 arg->count=20;
 382                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 383                 }
 384         for (i=0; i<arg->count; i++)
 385                 arg->data[i]=NULL;
 386
 387         num=0;
 388         p=buf;
 389         for (;;)
 390                 {
 391                 /* first scan over white space */
 392                 if (!*p) break;
 393                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 394                         p++;
 395                 if (!*p) break;
 396
 397                 /* The start of something good :-) */
 398                 if (num >= arg->count)
 399                         {
 400                         char **tmp_p;
 401                         int tlen = arg->count + 20;
 402                         tmp_p = (char **)OPENSSL_realloc(arg->data,
 403                                 sizeof(char *)*tlen);
 404                         if (tmp_p == NULL)
 405                                 return 0;
 406                         arg->data  = tmp_p;
 407                         arg->count = tlen;
 408                         /* initialize newly allocated data */
 409                         for (i = num; i < arg->count; i++)
 410                                 arg->data[i] = NULL;
 411                         }
 412                 arg->data[num++]=p;
 413
 414                 /* now look for the end of this */
 415                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 416                         {
 417                         i= *(p++);
 418                         arg->data[num-1]++; /* jump over quote */
 419                         while (*p && (*p != i))
 420                                 p++;
 421                         *p='\0';
 422                         }
 423                 else
 424                         {
 425                         while (*p && ((*p != ' ') &&
 426                                 (*p != '\t') && (*p != '\n')))
 427                                 p++;
 428
 429                         if (*p == '\0')
 430                                 p--;
 431                         else
 432                                 *p='\0';
 433                         }
 434                 p++;
 435                 }
 436         *argc=num;
 437         *argv=arg->data;
 438         return(1);
 439         }
 440
 441 #ifndef APP_INIT
 442 int app_init(long mesgwin)
 443         {
 444         return(1);
 445         }
 446 #endif
 447
 448
 449 int dump_cert_text (BIO *out, X509 *x)
 450 {
 451         char *p;
 452
 453         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 454         BIO_puts(out,"subject=");
 455         BIO_puts(out,p);
 456         OPENSSL_free(p);
 457
 458         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 459         BIO_puts(out,"\nissuer=");
 460         BIO_puts(out,p);
 461         BIO_puts(out,"\n");
 462         OPENSSL_free(p);
 463
 464         return 0;
 465 }
 466
 467 static int ui_open(UI *ui)
 468         {
 469         return UI_method_get_opener(UI_OpenSSL())(ui);
 470         }
 471 static int ui_read(UI *ui, UI_STRING *uis)
 472         {
 473         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 474                 && UI_get0_user_data(ui))
 475                 {
 476                 switch(UI_get_string_type(uis))
 477                         {
 478                 case UIT_PROMPT:
 479                 case UIT_VERIFY:
 480                         {
 481                         const char *password =
 482                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 483                         if (password && password[0] != '\0')
 484                                 {
 485                                 UI_set_result(ui, uis, password);
 486                                 return 1;
 487                                 }
 488                         }
 489                 default:
 490                         break;
 491                         }
 492                 }
 493         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 494         }
 495 static int ui_write(UI *ui, UI_STRING *uis)
 496         {
 497         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 498                 && UI_get0_user_data(ui))
 499                 {
 500                 switch(UI_get_string_type(uis))
 501                         {
 502                 case UIT_PROMPT:
 503                 case UIT_VERIFY:
 504                         {
 505                         const char *password =
 506                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 507                         if (password && password[0] != '\0')
 508                                 return 1;
 509                         }
 510                 default:
 511                         break;
 512                         }
 513                 }
 514         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 515         }
 516 static int ui_close(UI *ui)
 517         {
 518         return UI_method_get_closer(UI_OpenSSL())(ui);
 519         }
 520 int setup_ui_method(void)
 521         {
 522         ui_method = UI_create_method("OpenSSL application user interface");
 523         UI_method_set_opener(ui_method, ui_open);
 524         UI_method_set_reader(ui_method, ui_read);
 525         UI_method_set_writer(ui_method, ui_write);
 526         UI_method_set_closer(ui_method, ui_close);
 527         return 0;
 528         }
 529 void destroy_ui_method(void)
 530         {
 531         if(ui_method)
 532                 {
 533                 UI_destroy_method(ui_method);
 534                 ui_method = NULL;
 535                 }
 536         }
 537 int password_callback(char *buf, int bufsiz, int verify,
 538         PW_CB_DATA *cb_tmp)
 539         {
 540         UI *ui = NULL;
 541         int res = 0;
 542         const char *prompt_info = NULL;
 543         const char *password = NULL;
 544         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 545
 546         if (cb_data)
 547                 {
 548                 if (cb_data->password)
 549                         password = cb_data->password;
 550                 if (cb_data->prompt_info)
 551                         prompt_info = cb_data->prompt_info;
 552                 }
 553
 554         if (password)
 555                 {
 556                 res = strlen(password);
 557                 if (res > bufsiz)
 558                         res = bufsiz;
 559                 memcpy(buf, password, res);
 560                 return res;
 561                 }
 562
 563         ui = UI_new_method(ui_method);
 564         if (ui)
 565                 {
 566                 int ok = 0;
 567                 char *buff = NULL;
 568                 int ui_flags = 0;
 569                 char *prompt = NULL;
 570
 571                 prompt = UI_construct_prompt(ui, "pass phrase",
 572                         prompt_info);
 573
 574                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 575                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 576
 577                 if (ok >= 0)
 578                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 579                                 PW_MIN_LENGTH,BUFSIZ-1);
 580                 if (ok >= 0 && verify)
 581                         {
 582                         buff = (char *)OPENSSL_malloc(bufsiz);
 583                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 584                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 585                         }
 586                 if (ok >= 0)
 587                         do
 588                                 {
 589                                 ok = UI_process(ui);
 590                                 }
 591                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 592
 593                 if (buff)
 594                         {
 595                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 596                         OPENSSL_free(buff);
 597                         }
 598
 599                 if (ok >= 0)
 600                         res = strlen(buf);
 601                 if (ok == -1)
 602                         {
 603                         BIO_printf(bio_err, "User interface error\n");
 604                         ERR_print_errors(bio_err);
 605                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 606                         res = 0;
 607                         }
 608                 if (ok == -2)
 609                         {
 610                         BIO_printf(bio_err,"aborted!\n");
 611                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 612                         res = 0;
 613                         }
 614                 UI_free(ui);
 615                 OPENSSL_free(prompt);
 616                 }
 617         return res;
 618         }
 619
 620 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 621
 622 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 623 {
 624         int same;
 625         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 626         else same = 1;
 627         if(arg1) {
 628                 *pass1 = app_get_pass(err, arg1, same);
 629                 if(!*pass1) return 0;
 630         } else if(pass1) *pass1 = NULL;
 631         if(arg2) {
 632                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 633                 if(!*pass2) return 0;
 634         } else if(pass2) *pass2 = NULL;
 635         return 1;
 636 }
 637
 638 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 639 {
 640         char *tmp, tpass[APP_PASS_LEN];
 641         static BIO *pwdbio = NULL;
 642         int i;
 643         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 644         if(!strncmp(arg, "env:", 4)) {
 645                 tmp = getenv(arg + 4);
 646                 if(!tmp) {
 647                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 648                         return NULL;
 649                 }
 650                 return BUF_strdup(tmp);
 651         }
 652         if(!keepbio || !pwdbio) {
 653                 if(!strncmp(arg, "file:", 5)) {
 654                         pwdbio = BIO_new_file(arg + 5, "r");
 655                         if(!pwdbio) {
 656                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 657                                 return NULL;
 658                         }
 659 #if !defined(_WIN32)
 660                 /*
 661                  * Under _WIN32, which covers even Win64 and CE, file
 662                  * descriptors referenced by BIO_s_fd are not inherited
 663                  * by child process and therefore below is not an option.
 664                  * It could have been an option if bss_fd.c was operating
 665                  * on real Windows descriptors, such as those obtained
 666                  * with CreateFile.
 667                  */
 668                 } else if(!strncmp(arg, "fd:", 3)) {
 669                         BIO *btmp;
 670                         i = atoi(arg + 3);
 671                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 672                         if((i < 0) || !pwdbio) {
 673                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 674                                 return NULL;
 675                         }
 676                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 677                         btmp = BIO_new(BIO_f_buffer());
 678                         pwdbio = BIO_push(btmp, pwdbio);
 679 #endif
 680                 } else if(!strcmp(arg, "stdin")) {
 681                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 682                         if(!pwdbio) {
 683                                 BIO_printf(err, "Can't open BIO for stdin\n");
 684                                 return NULL;
 685                         }
 686                 } else {
 687                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 688                         return NULL;
 689                 }
 690         }
 691         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 692         if(keepbio != 1) {
 693                 BIO_free_all(pwdbio);
 694                 pwdbio = NULL;
 695         }
 696         if(i <= 0) {
 697                 BIO_printf(err, "Error reading password from BIO\n");
 698                 return NULL;
 699         }
 700         tmp = strchr(tpass, '\n');
 701         if(tmp) *tmp = 0;
 702         return BUF_strdup(tpass);
 703 }
 704
 705 int add_oid_section(BIO *err, CONF *conf)
 706 {
 707         char *p;
 708         STACK_OF(CONF_VALUE) *sktmp;
 709         CONF_VALUE *cnf;
 710         int i;
 711         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 712                 {
 713                 ERR_clear_error();
 714                 return 1;
 715                 }
 716         if(!(sktmp = NCONF_get_section(conf, p))) {
 717                 BIO_printf(err, "problem loading oid section %s\n", p);
 718                 return 0;
 719         }
 720         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 721                 cnf = sk_CONF_VALUE_value(sktmp, i);
 722                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 723                         BIO_printf(err, "problem creating object %s=%s\n",
 724                                                          cnf->name, cnf->value);
 725                         return 0;
 726                 }
 727         }
 728         return 1;
 729 }
 730
 731 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 732                 pem_password_cb *pem_cb,  void *cb_data,
 733                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 734         {
 735         const char *pass;
 736         char tpass[PEM_BUFSIZE];
 737         int len, ret = 0;
 738         PKCS12 *p12;
 739         p12 = d2i_PKCS12_bio(in, NULL);
 740         if (p12 == NULL)
 741                 {
 742                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 743                 goto die;
 744                 }
 745         /* See if an empty password will do */
 746         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 747                 pass = "";
 748         else
 749                 {
 750                 if (!pem_cb)
 751                         pem_cb = (pem_password_cb *)password_callback;
 752                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 753                 if (len < 0)
 754                         {
 755                         BIO_printf(err, "Passpharse callback error for %s\n",
 756                                         desc);
 757                         goto die;
 758                         }
 759                 if (len < PEM_BUFSIZE)
 760                         tpass[len] = 0;
 761                 if (!PKCS12_verify_mac(p12, tpass, len))
 762                         {
 763                         BIO_printf(err,
 764         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 765                         goto die;
 766                         }
 767                 pass = tpass;
 768                 }
 769         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 770         die:
 771         if (p12)
 772                 PKCS12_free(p12);
 773         return ret;
 774         }
 775
 776 X509 *load_cert(BIO *err, const char *file, int format,
 777         const char *pass, ENGINE *e, const char *cert_descrip)
 778         {
 779         X509 *x=NULL;
 780         BIO *cert;
 781
 782         if ((cert=BIO_new(BIO_s_file())) == NULL)
 783                 {
 784                 ERR_print_errors(err);
 785                 goto end;
 786                 }
 787
 788         if (file == NULL)
 789                 {
 790 #ifdef _IONBF
 791                 setvbuf(stdin, NULL, _IONBF, 0);
 792 #endif
 793                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 794                 }
 795         else
 796                 {
 797                 if (BIO_read_filename(cert,file) <= 0)
 798                         {
 799                         BIO_printf(err, "Error opening %s %s\n",
 800                                 cert_descrip, file);
 801                         ERR_print_errors(err);
 802                         goto end;
 803                         }
 804                 }
 805
 806         if      (format == FORMAT_ASN1)
 807                 x=d2i_X509_bio(cert,NULL);
 808         else if (format == FORMAT_NETSCAPE)
 809                 {
 810                 NETSCAPE_X509 *nx;
 811                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
 812                 if (nx == NULL)
 813                                 goto end;
 814
 815                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
 816                         nx->header->length) != 0))
 817                         {
 818                         NETSCAPE_X509_free(nx);
 819                         BIO_printf(err,"Error reading header on certificate\n");
 820                         goto end;
 821                         }
 822                 x=nx->cert;
 823                 nx->cert = NULL;
 824                 NETSCAPE_X509_free(nx);
 825                 }
 826         else if (format == FORMAT_PEM)
 827                 x=PEM_read_bio_X509_AUX(cert,NULL,
 828                         (pem_password_cb *)password_callback, NULL);
 829         else if (format == FORMAT_PKCS12)
 830                 {
 831                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 832                                         NULL, &x, NULL))
 833                         goto end;
 834                 }
 835         else    {
 836                 BIO_printf(err,"bad input format specified for %s\n",
 837                         cert_descrip);
 838                 goto end;
 839                 }
 840 end:
 841         if (x == NULL)
 842                 {
 843                 BIO_printf(err,"unable to load certificate\n");
 844                 ERR_print_errors(err);
 845                 }
 846         if (cert != NULL) BIO_free(cert);
 847         return(x);
 848         }
 849
 850 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 851         const char *pass, ENGINE *e, const char *key_descrip)
 852         {
 853         BIO *key=NULL;
 854         EVP_PKEY *pkey=NULL;
 855         PW_CB_DATA cb_data;
 856
 857         cb_data.password = pass;
 858         cb_data.prompt_info = file;
 859
 860         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 861                 {
 862                 BIO_printf(err,"no keyfile specified\n");
 863                 goto end;
 864                 }
 865 #ifndef OPENSSL_NO_ENGINE
 866         if (format == FORMAT_ENGINE)
 867                 {
 868                 if (!e)
 869                         BIO_printf(bio_err,"no engine specified\n");
 870                 else
 871                         pkey = ENGINE_load_private_key(e, file,
 872                                 ui_method, &cb_data);
 873                 goto end;
 874                 }
 875 #endif
 876         key=BIO_new(BIO_s_file());
 877         if (key == NULL)
 878                 {
 879                 ERR_print_errors(err);
 880                 goto end;
 881                 }
 882         if (file == NULL && maybe_stdin)
 883                 {
 884 #ifdef _IONBF
 885                 setvbuf(stdin, NULL, _IONBF, 0);
 886 #endif
 887                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 888                 }
 889         else
 890                 if (BIO_read_filename(key,file) <= 0)
 891                         {
 892                         BIO_printf(err, "Error opening %s %s\n",
 893                                 key_descrip, file);
 894                         ERR_print_errors(err);
 895                         goto end;
 896                         }
 897         if (format == FORMAT_ASN1)
 898                 {
 899                 pkey=d2i_PrivateKey_bio(key, NULL);
 900                 }
 901         else if (format == FORMAT_PEM)
 902                 {
 903                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 904                         (pem_password_cb *)password_callback, &cb_data);
 905                 }
 906 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 907         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 908                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 909 #endif
 910         else if (format == FORMAT_PKCS12)
 911                 {
 912                 if (!load_pkcs12(err, key, key_descrip,
 913                                 (pem_password_cb *)password_callback, &cb_data,
 914                                 &pkey, NULL, NULL))
 915                         goto end;
 916                 }
 917         else if (format == FORMAT_MSBLOB)
 918                 pkey = b2i_PrivateKey_bio(key);
 919         else if (format == FORMAT_PVK)
 920                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
 921                                                                 &cb_data);
 922         else
 923                 {
 924                 BIO_printf(err,"bad input format specified for key file\n");
 925                 goto end;
 926                 }
 927  end:
 928         if (key != NULL) BIO_free(key);
 929         if (pkey == NULL)
 930                 BIO_printf(err,"unable to load %s\n", key_descrip);
 931         return(pkey);
 932         }
 933
 934 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 935         const char *pass, ENGINE *e, const char *key_descrip)
 936         {
 937         BIO *key=NULL;
 938         EVP_PKEY *pkey=NULL;
 939         PW_CB_DATA cb_data;
 940
 941         cb_data.password = pass;
 942         cb_data.prompt_info = file;
 943
 944         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 945                 {
 946                 BIO_printf(err,"no keyfile specified\n");
 947                 goto end;
 948                 }
 949 #ifndef OPENSSL_NO_ENGINE
 950         if (format == FORMAT_ENGINE)
 951                 {
 952                 if (!e)
 953                         BIO_printf(bio_err,"no engine specified\n");
 954                 else
 955                         pkey = ENGINE_load_public_key(e, file,
 956                                 ui_method, &cb_data);
 957                 goto end;
 958                 }
 959 #endif
 960         key=BIO_new(BIO_s_file());
 961         if (key == NULL)
 962                 {
 963                 ERR_print_errors(err);
 964                 goto end;
 965                 }
 966         if (file == NULL && maybe_stdin)
 967                 {
 968 #ifdef _IONBF
 969                 setvbuf(stdin, NULL, _IONBF, 0);
 970 #endif
 971                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 972                 }
 973         else
 974                 if (BIO_read_filename(key,file) <= 0)
 975                         {
 976                         BIO_printf(err, "Error opening %s %s\n",
 977                                 key_descrip, file);
 978                         ERR_print_errors(err);
 979                         goto end;
 980                 }
 981         if (format == FORMAT_ASN1)
 982                 {
 983                 pkey=d2i_PUBKEY_bio(key, NULL);
 984                 }
 985         else if (format == FORMAT_ASN1RSA)
 986                 {
 987                 RSA *rsa;
 988                 rsa = d2i_RSAPublicKey_bio(key, NULL);
 989                 if (rsa)
 990                         {
 991                         pkey = EVP_PKEY_new();
 992                         if (pkey)
 993                                 EVP_PKEY_set1_RSA(pkey, rsa);
 994                         RSA_free(rsa);
 995                         }
 996                 else
 997                         pkey = NULL;
 998                 }
 999         else if (format == FORMAT_PEMRSA)
1000                 {
1001                 RSA *rsa;
1002                 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1003                         (pem_password_cb *)password_callback, &cb_data);
1004                 if (rsa)
1005                         {
1006                         pkey = EVP_PKEY_new();
1007                         if (pkey)
1008                                 EVP_PKEY_set1_RSA(pkey, rsa);
1009                         RSA_free(rsa);
1010                         }
1011                 else
1012                         pkey = NULL;
1013                 }
1014
1015         else if (format == FORMAT_PEM)
1016                 {
1017                 pkey=PEM_read_bio_PUBKEY(key,NULL,
1018                         (pem_password_cb *)password_callback, &cb_data);
1019                 }
1020 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1021         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1022                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1023 #endif
1024         else if (format == FORMAT_MSBLOB)
1025                 pkey = b2i_PublicKey_bio(key);
1026         else
1027                 {
1028                 BIO_printf(err,"bad input format specified for key file\n");
1029                 goto end;
1030                 }
1031  end:
1032         if (key != NULL) BIO_free(key);
1033         if (pkey == NULL)
1034                 BIO_printf(err,"unable to load %s\n", key_descrip);
1035         return(pkey);
1036         }
1037
1038 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1039 static EVP_PKEY *
1040 load_netscape_key(BIO *err, BIO *key, const char *file,
1041                 const char *key_descrip, int format)
1042         {
1043         EVP_PKEY *pkey;
1044         BUF_MEM *buf;
1045         RSA     *rsa;
1046         const unsigned char *p;
1047         int size, i;
1048
1049         buf=BUF_MEM_new();
1050         pkey = EVP_PKEY_new();
1051         size = 0;
1052         if (buf == NULL || pkey == NULL)
1053                 goto error;
1054         for (;;)
1055                 {
1056                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1057                         goto error;
1058                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1059                 size += i;
1060                 if (i == 0)
1061                         break;
1062                 if (i < 0)
1063                         {
1064                                 BIO_printf(err, "Error reading %s %s",
1065                                         key_descrip, file);
1066                                 goto error;
1067                         }
1068                 }
1069         p=(unsigned char *)buf->data;
1070         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1071                 (format == FORMAT_IISSGC ? 1 : 0));
1072         if (rsa == NULL)
1073                 goto error;
1074         BUF_MEM_free(buf);
1075         EVP_PKEY_set1_RSA(pkey, rsa);
1076         return pkey;
1077 error:
1078         BUF_MEM_free(buf);
1079         EVP_PKEY_free(pkey);
1080         return NULL;
1081         }
1082 #endif /* ndef OPENSSL_NO_RC4 */
1083
1084 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1085         const char *pass, ENGINE *e, const char *cert_descrip)
1086         {
1087         BIO *certs;
1088         int i;
1089         STACK_OF(X509) *othercerts = NULL;
1090         STACK_OF(X509_INFO) *allcerts = NULL;
1091         X509_INFO *xi;
1092         PW_CB_DATA cb_data;
1093
1094         cb_data.password = pass;
1095         cb_data.prompt_info = file;
1096
1097         if((certs = BIO_new(BIO_s_file())) == NULL)
1098                 {
1099                 ERR_print_errors(err);
1100                 goto end;
1101                 }
1102
1103         if (file == NULL)
1104                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1105         else
1106                 {
1107                 if (BIO_read_filename(certs,file) <= 0)
1108                         {
1109                         BIO_printf(err, "Error opening %s %s\n",
1110                                 cert_descrip, file);
1111                         ERR_print_errors(err);
1112                         goto end;
1113                         }
1114                 }
1115
1116         if      (format == FORMAT_PEM)
1117                 {
1118                 othercerts = sk_X509_new_null();
1119                 if(!othercerts)
1120                         {
1121                         sk_X509_free(othercerts);
1122                         othercerts = NULL;
1123                         goto end;
1124                         }
1125                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1126                                 (pem_password_cb *)password_callback, &cb_data);
1127                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1128                         {
1129                         xi = sk_X509_INFO_value (allcerts, i);
1130                         if (xi->x509)
1131                                 {
1132                                 sk_X509_push(othercerts, xi->x509);
1133                                 xi->x509 = NULL;
1134                                 }
1135                         }
1136                 goto end;
1137                 }
1138         else    {
1139                 BIO_printf(err,"bad input format specified for %s\n",
1140                         cert_descrip);
1141                 goto end;
1142                 }
1143 end:
1144         if (othercerts == NULL)
1145                 {
1146                 BIO_printf(err,"unable to load certificates\n");
1147                 ERR_print_errors(err);
1148                 }
1149         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1150         if (certs != NULL) BIO_free(certs);
1151         return(othercerts);
1152         }
1153
1154
1155 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1156 /* Return error for unknown extensions */
1157 #define X509V3_EXT_DEFAULT              0
1158 /* Print error for unknown extensions */
1159 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1160 /* ASN1 parse unknown extensions */
1161 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1162 /* BIO_dump unknown extensions */
1163 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1164
1165 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1166                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1167
1168 int set_cert_ex(unsigned long *flags, const char *arg)
1169 {
1170         static const NAME_EX_TBL cert_tbl[] = {
1171                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1172                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1173                 { "no_header", X509_FLAG_NO_HEADER, 0},
1174                 { "no_version", X509_FLAG_NO_VERSION, 0},
1175                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1176                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1177                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1178                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1179                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1180                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1181                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1182                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1183                 { "no_aux", X509_FLAG_NO_AUX, 0},
1184                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1185                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1186                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1187                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1188                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1189                 { NULL, 0, 0}
1190         };
1191         return set_multi_opts(flags, arg, cert_tbl);
1192 }
1193
1194 int set_name_ex(unsigned long *flags, const char *arg)
1195 {
1196         static const NAME_EX_TBL ex_tbl[] = {
1197                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1198                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1199                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1200                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1201                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1202                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1203                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1204                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1205                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1206                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1207                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1208                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1209                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1210                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1211                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1212                 { "dn_rev", XN_FLAG_DN_REV, 0},
1213                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1214                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1215                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1216                 { "align", XN_FLAG_FN_ALIGN, 0},
1217                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1218                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1219                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1220                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1221                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1222                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1223                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1224                 { NULL, 0, 0}
1225         };
1226         return set_multi_opts(flags, arg, ex_tbl);
1227 }
1228
1229 int set_ext_copy(int *copy_type, const char *arg)
1230 {
1231         if (!strcasecmp(arg, "none"))
1232                 *copy_type = EXT_COPY_NONE;
1233         else if (!strcasecmp(arg, "copy"))
1234                 *copy_type = EXT_COPY_ADD;
1235         else if (!strcasecmp(arg, "copyall"))
1236                 *copy_type = EXT_COPY_ALL;
1237         else
1238                 return 0;
1239         return 1;
1240 }
1241
1242 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1243 {
1244         STACK_OF(X509_EXTENSION) *exts = NULL;
1245         X509_EXTENSION *ext, *tmpext;
1246         ASN1_OBJECT *obj;
1247         int i, idx, ret = 0;
1248         if (!x || !req || (copy_type == EXT_COPY_NONE))
1249                 return 1;
1250         exts = X509_REQ_get_extensions(req);
1251
1252         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1253                 ext = sk_X509_EXTENSION_value(exts, i);
1254                 obj = X509_EXTENSION_get_object(ext);
1255                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1256                 /* Does extension exist? */
1257                 if (idx != -1) {
1258                         /* If normal copy don't override existing extension */
1259                         if (copy_type == EXT_COPY_ADD)
1260                                 continue;
1261                         /* Delete all extensions of same type */
1262                         do {
1263                                 tmpext = X509_get_ext(x, idx);
1264                                 X509_delete_ext(x, idx);
1265                                 X509_EXTENSION_free(tmpext);
1266                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1267                         } while (idx != -1);
1268                 }
1269                 if (!X509_add_ext(x, ext, -1))
1270                         goto end;
1271         }
1272
1273         ret = 1;
1274
1275         end:
1276
1277         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1278
1279         return ret;
1280 }
1281
1282
1283
1284
1285 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1286 {
1287         STACK_OF(CONF_VALUE) *vals;
1288         CONF_VALUE *val;
1289         int i, ret = 1;
1290         if(!arg) return 0;
1291         vals = X509V3_parse_list(arg);
1292         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1293                 val = sk_CONF_VALUE_value(vals, i);
1294                 if (!set_table_opts(flags, val->name, in_tbl))
1295                         ret = 0;
1296         }
1297         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1298         return ret;
1299 }
1300
1301 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1302 {
1303         char c;
1304         const NAME_EX_TBL *ptbl;
1305         c = arg[0];
1306
1307         if(c == '-') {
1308                 c = 0;
1309                 arg++;
1310         } else if (c == '+') {
1311                 c = 1;
1312                 arg++;
1313         } else c = 1;
1314
1315         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1316                 if(!strcasecmp(arg, ptbl->name)) {
1317                         *flags &= ~ptbl->mask;
1318                         if(c) *flags |= ptbl->flag;
1319                         else *flags &= ~ptbl->flag;
1320                         return 1;
1321                 }
1322         }
1323         return 0;
1324 }
1325
1326 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1327 {
1328         char *buf;
1329         char mline = 0;
1330         int indent = 0;
1331
1332         if(title) BIO_puts(out, title);
1333         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1334                 mline = 1;
1335                 indent = 4;
1336         }
1337         if(lflags == XN_FLAG_COMPAT) {
1338                 buf = X509_NAME_oneline(nm, 0, 0);
1339                 BIO_puts(out, buf);
1340                 BIO_puts(out, "\n");
1341                 OPENSSL_free(buf);
1342         } else {
1343                 if(mline) BIO_puts(out, "\n");
1344                 X509_NAME_print_ex(out, nm, indent, lflags);
1345                 BIO_puts(out, "\n");
1346         }
1347 }
1348
1349 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1350 {
1351         X509_STORE *store;
1352         X509_LOOKUP *lookup;
1353         if(!(store = X509_STORE_new())) goto end;
1354         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1355         if (lookup == NULL) goto end;
1356         if (CAfile) {
1357                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1358                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1359                         goto end;
1360                 }
1361         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1362
1363         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1364         if (lookup == NULL) goto end;
1365         if (CApath) {
1366                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1367                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1368                         goto end;
1369                 }
1370         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1371
1372         ERR_clear_error();
1373         return store;
1374         end:
1375         X509_STORE_free(store);
1376         return NULL;
1377 }
1378
1379 #ifndef OPENSSL_NO_ENGINE
1380 /* Try to load an engine in a shareable library */
1381 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1382         {
1383         ENGINE *e = ENGINE_by_id("dynamic");
1384         if (e)
1385                 {
1386                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1387                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1388                         {
1389                         ENGINE_free(e);
1390                         e = NULL;
1391                         }
1392                 }
1393         return e;
1394         }
1395
1396 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1397         {
1398         ENGINE *e = NULL;
1399
1400         if (engine)
1401                 {
1402                 if(strcmp(engine, "auto") == 0)
1403                         {
1404                         BIO_printf(err,"enabling auto ENGINE support\n");
1405                         ENGINE_register_all_complete();
1406                         return NULL;
1407                         }
1408                 if((e = ENGINE_by_id(engine)) == NULL
1409                         && (e = try_load_engine(err, engine, debug)) == NULL)
1410                         {
1411                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1412                         ERR_print_errors(err);
1413                         return NULL;
1414                         }
1415                 if (debug)
1416                         {
1417                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1418                                 0, err, 0);
1419                         }
1420                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1421                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1422                         {
1423                         BIO_printf(err,"can't use that engine\n");
1424                         ERR_print_errors(err);
1425                         ENGINE_free(e);
1426                         return NULL;
1427                         }
1428
1429                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1430
1431                 /* Free our "structural" reference. */
1432                 ENGINE_free(e);
1433                 }
1434         return e;
1435         }
1436 #endif
1437
1438 int load_config(BIO *err, CONF *cnf)
1439         {
1440         if (!cnf)
1441                 cnf = config;
1442         if (!cnf)
1443                 return 1;
1444
1445         OPENSSL_load_builtin_modules();
1446
1447         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1448                 {
1449                 BIO_printf(err, "Error configuring OpenSSL\n");
1450                 ERR_print_errors(err);
1451                 return 0;
1452                 }
1453         return 1;
1454         }
1455
1456 char *make_config_name()
1457         {
1458         const char *t=X509_get_default_cert_area();
1459         size_t len;
1460         char *p;
1461
1462         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1463         p=OPENSSL_malloc(len);
1464         BUF_strlcpy(p,t,len);
1465 #ifndef OPENSSL_SYS_VMS
1466         BUF_strlcat(p,"/",len);
1467 #endif
1468         BUF_strlcat(p,OPENSSL_CONF,len);
1469
1470         return p;
1471         }
1472
1473 static unsigned long index_serial_hash(const char **a)
1474         {
1475         const char *n;
1476
1477         n=a[DB_serial];
1478         while (*n == '0') n++;
1479         return(lh_strhash(n));
1480         }
1481
1482 static int index_serial_cmp(const char **a, const char **b)
1483         {
1484         const char *aa,*bb;
1485
1486         for (aa=a[DB_serial]; *aa == '0'; aa++);
1487         for (bb=b[DB_serial]; *bb == '0'; bb++);
1488         return(strcmp(aa,bb));
1489         }
1490
1491 static int index_name_qual(char **a)
1492         { return(a[0][0] == 'V'); }
1493
1494 static unsigned long index_name_hash(const char **a)
1495         { return(lh_strhash(a[DB_name])); }
1496
1497 int index_name_cmp(const char **a, const char **b)
1498         { return(strcmp(a[DB_name],
1499              b[DB_name])); }
1500
1501 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1502 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1503 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1504 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1505
1506 #undef BSIZE
1507 #define BSIZE 256
1508
1509 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1510         {
1511         BIO *in=NULL;
1512         BIGNUM *ret=NULL;
1513         MS_STATIC char buf[1024];
1514         ASN1_INTEGER *ai=NULL;
1515
1516         ai=ASN1_INTEGER_new();
1517         if (ai == NULL) goto err;
1518
1519         if ((in=BIO_new(BIO_s_file())) == NULL)
1520                 {
1521                 ERR_print_errors(bio_err);
1522                 goto err;
1523                 }
1524
1525         if (BIO_read_filename(in,serialfile) <= 0)
1526                 {
1527                 if (!create)
1528                         {
1529                         perror(serialfile);
1530                         goto err;
1531                         }
1532                 else
1533                         {
1534                         ret=BN_new();
1535                         if (ret == NULL || !rand_serial(ret, ai))
1536                                 BIO_printf(bio_err, "Out of memory\n");
1537                         }
1538                 }
1539         else
1540                 {
1541                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1542                         {
1543                         BIO_printf(bio_err,"unable to load number from %s\n",
1544                                 serialfile);
1545                         goto err;
1546                         }
1547                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1548                 if (ret == NULL)
1549                         {
1550                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1551                         goto err;
1552                         }
1553                 }
1554
1555         if (ret && retai)
1556                 {
1557                 *retai = ai;
1558                 ai = NULL;
1559                 }
1560  err:
1561         if (in != NULL) BIO_free(in);
1562         if (ai != NULL) ASN1_INTEGER_free(ai);
1563         return(ret);
1564         }
1565
1566 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1567         {
1568         char buf[1][BSIZE];
1569         BIO *out = NULL;
1570         int ret=0;
1571         ASN1_INTEGER *ai=NULL;
1572         int j;
1573
1574         if (suffix == NULL)
1575                 j = strlen(serialfile);
1576         else
1577                 j = strlen(serialfile) + strlen(suffix) + 1;
1578         if (j >= BSIZE)
1579                 {
1580                 BIO_printf(bio_err,"file name too long\n");
1581                 goto err;
1582                 }
1583
1584         if (suffix == NULL)
1585                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1586         else
1587                 {
1588 #ifndef OPENSSL_SYS_VMS
1589                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1590 #else
1591                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1592 #endif
1593                 }
1594 #ifdef RL_DEBUG
1595         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1596 #endif
1597         out=BIO_new(BIO_s_file());
1598         if (out == NULL)
1599                 {
1600                 ERR_print_errors(bio_err);
1601                 goto err;
1602                 }
1603         if (BIO_write_filename(out,buf[0]) <= 0)
1604                 {
1605                 perror(serialfile);
1606                 goto err;
1607                 }
1608
1609         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1610                 {
1611                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1612                 goto err;
1613                 }
1614         i2a_ASN1_INTEGER(out,ai);
1615         BIO_puts(out,"\n");
1616         ret=1;
1617         if (retai)
1618                 {
1619                 *retai = ai;
1620                 ai = NULL;
1621                 }
1622 err:
1623         if (out != NULL) BIO_free_all(out);
1624         if (ai != NULL) ASN1_INTEGER_free(ai);
1625         return(ret);
1626         }
1627
1628 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1629         {
1630         char buf[5][BSIZE];
1631         int i,j;
1632
1633         i = strlen(serialfile) + strlen(old_suffix);
1634         j = strlen(serialfile) + strlen(new_suffix);
1635         if (i > j) j = i;
1636         if (j + 1 >= BSIZE)
1637                 {
1638                 BIO_printf(bio_err,"file name too long\n");
1639                 goto err;
1640                 }
1641
1642 #ifndef OPENSSL_SYS_VMS
1643         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1644                 serialfile, new_suffix);
1645 #else
1646         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1647                 serialfile, new_suffix);
1648 #endif
1649 #ifndef OPENSSL_SYS_VMS
1650         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1651                 serialfile, old_suffix);
1652 #else
1653         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1654                 serialfile, old_suffix);
1655 #endif
1656 #ifdef RL_DEBUG
1657         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1658                 serialfile, buf[1]);
1659 #endif
1660         if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1661 #ifdef ENOTDIR
1662                         && errno != ENOTDIR
1663 #endif
1664            )            {
1665                         BIO_printf(bio_err,
1666                                 "unable to rename %s to %s\n",
1667                                 serialfile, buf[1]);
1668                         perror("reason");
1669                         goto err;
1670                         }
1671 #ifdef RL_DEBUG
1672         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1673                 buf[0],serialfile);
1674 #endif
1675         if (rename(buf[0],serialfile) < 0)
1676                 {
1677                 BIO_printf(bio_err,
1678                         "unable to rename %s to %s\n",
1679                         buf[0],serialfile);
1680                 perror("reason");
1681                 rename(buf[1],serialfile);
1682                 goto err;
1683                 }
1684         return 1;
1685  err:
1686         return 0;
1687         }
1688
1689 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1690         {
1691         BIGNUM *btmp;
1692         int ret = 0;
1693         if (b)
1694                 btmp = b;
1695         else
1696                 btmp = BN_new();
1697
1698         if (!btmp)
1699                 return 0;
1700
1701         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1702                 goto error;
1703         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1704                 goto error;
1705
1706         ret = 1;
1707
1708         error:
1709
1710         if (!b)
1711                 BN_free(btmp);
1712
1713         return ret;
1714         }
1715
1716 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1717         {
1718         CA_DB *retdb = NULL;
1719         TXT_DB *tmpdb = NULL;
1720         BIO *in = BIO_new(BIO_s_file());
1721         CONF *dbattr_conf = NULL;
1722         char buf[1][BSIZE];
1723         long errorline= -1;
1724
1725         if (in == NULL)
1726                 {
1727                 ERR_print_errors(bio_err);
1728                 goto err;
1729                 }
1730         if (BIO_read_filename(in,dbfile) <= 0)
1731                 {
1732                 perror(dbfile);
1733                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1734                 goto err;
1735                 }
1736         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1737                 {
1738                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1739                 goto err;
1740                 }
1741
1742 #ifndef OPENSSL_SYS_VMS
1743         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1744 #else
1745         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1746 #endif
1747         dbattr_conf = NCONF_new(NULL);
1748         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1749                 {
1750                 if (errorline > 0)
1751                         {
1752                         BIO_printf(bio_err,
1753                                 "error on line %ld of db attribute file '%s'\n"
1754                                 ,errorline,buf[0]);
1755                         goto err;
1756                         }
1757                 else
1758                         {
1759                         NCONF_free(dbattr_conf);
1760                         dbattr_conf = NULL;
1761                         }
1762                 }
1763
1764         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1765                 {
1766                 fprintf(stderr, "Out of memory\n");
1767                 goto err;
1768                 }
1769
1770         retdb->db = tmpdb;
1771         tmpdb = NULL;
1772         if (db_attr)
1773                 retdb->attributes = *db_attr;
1774         else
1775                 {
1776                 retdb->attributes.unique_subject = 1;
1777                 }
1778
1779         if (dbattr_conf)
1780                 {
1781                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1782                 if (p)
1783                         {
1784 #ifdef RL_DEBUG
1785                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1786 #endif
1787                         retdb->attributes.unique_subject = parse_yesno(p,1);
1788                         }
1789                 }
1790
1791  err:
1792         if (dbattr_conf) NCONF_free(dbattr_conf);
1793         if (tmpdb) TXT_DB_free(tmpdb);
1794         if (in) BIO_free_all(in);
1795         return retdb;
1796         }
1797
1798 int index_index(CA_DB *db)
1799         {
1800         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1801                                 LHASH_HASH_FN(index_serial_hash),
1802                                 LHASH_COMP_FN(index_serial_cmp)))
1803                 {
1804                 BIO_printf(bio_err,
1805                   "error creating serial number index:(%ld,%ld,%ld)\n",
1806                                         db->db->error,db->db->arg1,db->db->arg2);
1807                         return 0;
1808                 }
1809
1810         if (db->attributes.unique_subject
1811                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1812                         LHASH_HASH_FN(index_name_hash),
1813                         LHASH_COMP_FN(index_name_cmp)))
1814                 {
1815                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1816                         db->db->error,db->db->arg1,db->db->arg2);
1817                 return 0;
1818                 }
1819         return 1;
1820         }
1821
1822 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1823         {
1824         char buf[3][BSIZE];
1825         BIO *out = BIO_new(BIO_s_file());
1826         int j;
1827
1828         if (out == NULL)
1829                 {
1830                 ERR_print_errors(bio_err);
1831                 goto err;
1832                 }
1833
1834         j = strlen(dbfile) + strlen(suffix);
1835         if (j + 6 >= BSIZE)
1836                 {
1837                 BIO_printf(bio_err,"file name too long\n");
1838                 goto err;
1839                 }
1840
1841 #ifndef OPENSSL_SYS_VMS
1842         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1843 #else
1844         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1845 #endif
1846 #ifndef OPENSSL_SYS_VMS
1847         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1848 #else
1849         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1850 #endif
1851 #ifndef OPENSSL_SYS_VMS
1852         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1853 #else
1854         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1855 #endif
1856 #ifdef RL_DEBUG
1857         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1858 #endif
1859         if (BIO_write_filename(out,buf[0]) <= 0)
1860                 {
1861                 perror(dbfile);
1862                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1863                 goto err;
1864                 }
1865         j=TXT_DB_write(out,db->db);
1866         if (j <= 0) goto err;
1867
1868         BIO_free(out);
1869
1870         out = BIO_new(BIO_s_file());
1871 #ifdef RL_DEBUG
1872         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1873 #endif
1874         if (BIO_write_filename(out,buf[1]) <= 0)
1875                 {
1876                 perror(buf[2]);
1877                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1878                 goto err;
1879                 }
1880         BIO_printf(out,"unique_subject = %s\n",
1881                 db->attributes.unique_subject ? "yes" : "no");
1882         BIO_free(out);
1883
1884         return 1;
1885  err:
1886         return 0;
1887         }
1888
1889 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1890         {
1891         char buf[5][BSIZE];
1892         int i,j;
1893
1894         i = strlen(dbfile) + strlen(old_suffix);
1895         j = strlen(dbfile) + strlen(new_suffix);
1896         if (i > j) j = i;
1897         if (j + 6 >= BSIZE)
1898                 {
1899                 BIO_printf(bio_err,"file name too long\n");
1900                 goto err;
1901                 }
1902
1903 #ifndef OPENSSL_SYS_VMS
1904         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1905 #else
1906         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1907 #endif
1908 #ifndef OPENSSL_SYS_VMS
1909         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1910                 dbfile, new_suffix);
1911 #else
1912         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1913                 dbfile, new_suffix);
1914 #endif
1915 #ifndef OPENSSL_SYS_VMS
1916         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1917                 dbfile, new_suffix);
1918 #else
1919         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1920                 dbfile, new_suffix);
1921 #endif
1922 #ifndef OPENSSL_SYS_VMS
1923         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1924                 dbfile, old_suffix);
1925 #else
1926         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1927                 dbfile, old_suffix);
1928 #endif
1929 #ifndef OPENSSL_SYS_VMS
1930         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1931                 dbfile, old_suffix);
1932 #else
1933         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1934                 dbfile, old_suffix);
1935 #endif
1936 #ifdef RL_DEBUG
1937         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1938                 dbfile, buf[1]);
1939 #endif
1940         if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
1941 #ifdef ENOTDIR
1942                 && errno != ENOTDIR
1943 #endif
1944            )            {
1945                         BIO_printf(bio_err,
1946                                 "unable to rename %s to %s\n",
1947                                 dbfile, buf[1]);
1948                         perror("reason");
1949                         goto err;
1950                         }
1951 #ifdef RL_DEBUG
1952         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1953                 buf[0],dbfile);
1954 #endif
1955         if (rename(buf[0],dbfile) < 0)
1956                 {
1957                 BIO_printf(bio_err,
1958                         "unable to rename %s to %s\n",
1959                         buf[0],dbfile);
1960                 perror("reason");
1961                 rename(buf[1],dbfile);
1962                 goto err;
1963                 }
1964 #ifdef RL_DEBUG
1965         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1966                 buf[4],buf[3]);
1967 #endif
1968         if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
1969 #ifdef ENOTDIR
1970                 && errno != ENOTDIR
1971 #endif
1972            )            {
1973                         BIO_printf(bio_err,
1974                                 "unable to rename %s to %s\n",
1975                                 buf[4], buf[3]);
1976                         perror("reason");
1977                         rename(dbfile,buf[0]);
1978                         rename(buf[1],dbfile);
1979                         goto err;
1980                         }
1981 #ifdef RL_DEBUG
1982         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1983                 buf[2],buf[4]);
1984 #endif
1985         if (rename(buf[2],buf[4]) < 0)
1986                 {
1987                 BIO_printf(bio_err,
1988                         "unable to rename %s to %s\n",
1989                         buf[2],buf[4]);
1990                 perror("reason");
1991                 rename(buf[3],buf[4]);
1992                 rename(dbfile,buf[0]);
1993                 rename(buf[1],dbfile);
1994                 goto err;
1995                 }
1996         return 1;
1997  err:
1998         return 0;
1999         }
2000
2001 void free_index(CA_DB *db)
2002         {
2003         if (db)
2004                 {
2005                 if (db->db) TXT_DB_free(db->db);
2006                 OPENSSL_free(db);
2007                 }
2008         }
2009
2010 int parse_yesno(const char *str, int def)
2011         {
2012         int ret = def;
2013         if (str)
2014                 {
2015                 switch (*str)
2016                         {
2017                 case 'f': /* false */
2018                 case 'F': /* FALSE */
2019                 case 'n': /* no */
2020                 case 'N': /* NO */
2021                 case '0': /* 0 */
2022                         ret = 0;
2023                         break;
2024                 case 't': /* true */
2025                 case 'T': /* TRUE */
2026                 case 'y': /* yes */
2027                 case 'Y': /* YES */
2028                 case '1': /* 1 */
2029                         ret = 0;
2030                         break;
2031                 default:
2032                         ret = def;
2033                         break;
2034                         }
2035                 }
2036         return ret;
2037         }
2038
2039 /*
2040  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2041  * where characters may be escaped by \
2042  */
2043 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2044         {
2045         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2046         char *buf = OPENSSL_malloc(buflen);
2047         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2048         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2049         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2050         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2051
2052         char *sp = subject, *bp = buf;
2053         int i, ne_num = 0;
2054
2055         X509_NAME *n = NULL;
2056         int nid;
2057
2058         if (!buf || !ne_types || !ne_values)
2059                 {
2060                 BIO_printf(bio_err, "malloc error\n");
2061                 goto error;
2062                 }
2063
2064         if (*subject != '/')
2065                 {
2066                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2067                 goto error;
2068                 }
2069         sp++; /* skip leading / */
2070
2071         /* no multivalued RDN by default */
2072         mval[ne_num] = 0;
2073
2074         while (*sp)
2075                 {
2076                 /* collect type */
2077                 ne_types[ne_num] = bp;
2078                 while (*sp)
2079                         {
2080                         if (*sp == '\\') /* is there anything to escape in the type...? */
2081                                 {
2082                                 if (*++sp)
2083                                         *bp++ = *sp++;
2084                                 else
2085                                         {
2086                                         BIO_printf(bio_err, "escape character at end of string\n");
2087                                         goto error;
2088                                         }
2089                                 }
2090                         else if (*sp == '=')
2091                                 {
2092                                 sp++;
2093                                 *bp++ = '\0';
2094                                 break;
2095                                 }
2096                         else
2097                                 *bp++ = *sp++;
2098                         }
2099                 if (!*sp)
2100                         {
2101                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2102                         goto error;
2103                         }
2104                 ne_values[ne_num] = bp;
2105                 while (*sp)
2106                         {
2107                         if (*sp == '\\')
2108                                 {
2109                                 if (*++sp)
2110                                         *bp++ = *sp++;
2111                                 else
2112                                         {
2113                                         BIO_printf(bio_err, "escape character at end of string\n");
2114                                         goto error;
2115                                         }
2116                                 }
2117                         else if (*sp == '/')
2118                                 {
2119                                 sp++;
2120                                 /* no multivalued RDN by default */
2121                                 mval[ne_num+1] = 0;
2122                                 break;
2123                                 }
2124                         else if (*sp == '+' && multirdn)
2125                                 {
2126                                 /* a not escaped + signals a mutlivalued RDN */
2127                                 sp++;
2128                                 mval[ne_num+1] = -1;
2129                                 break;
2130                                 }
2131                         else
2132                                 *bp++ = *sp++;
2133                         }
2134                 *bp++ = '\0';
2135                 ne_num++;
2136                 }
2137
2138         if (!(n = X509_NAME_new()))
2139                 goto error;
2140
2141         for (i = 0; i < ne_num; i++)
2142                 {
2143                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2144                         {
2145                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2146                         continue;
2147                         }
2148
2149                 if (!*ne_values[i])
2150                         {
2151                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2152                         continue;
2153                         }
2154
2155                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2156                         goto error;
2157                 }
2158
2159         OPENSSL_free(ne_values);
2160         OPENSSL_free(ne_types);
2161         OPENSSL_free(buf);
2162         return n;
2163
2164 error:
2165         X509_NAME_free(n);
2166         if (ne_values)
2167                 OPENSSL_free(ne_values);
2168         if (ne_types)
2169                 OPENSSL_free(ne_types);
2170         if (buf)
2171                 OPENSSL_free(buf);
2172         return NULL;
2173 }
2174
2175 int args_verify(char ***pargs, int *pargc,
2176                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2177         {
2178         ASN1_OBJECT *otmp = NULL;
2179         unsigned long flags = 0;
2180         int i;
2181         int purpose = 0;
2182         char **oldargs = *pargs;
2183         char *arg = **pargs, *argn = (*pargs)[1];
2184         if (!strcmp(arg, "-policy"))
2185                 {
2186                 if (!argn)
2187                         *badarg = 1;
2188                 else
2189                         {
2190                         otmp = OBJ_txt2obj(argn, 0);
2191                         if (!otmp)
2192                                 {
2193                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2194                                                                         argn);
2195                                 *badarg = 1;
2196                                 }
2197                         }
2198                 (*pargs)++;
2199                 }
2200         else if (strcmp(arg,"-purpose") == 0)
2201                 {
2202                 X509_PURPOSE *xptmp;
2203                 if (!argn)
2204                         *badarg = 1;
2205                 else
2206                         {
2207                         i = X509_PURPOSE_get_by_sname(argn);
2208                         if(i < 0)
2209                                 {
2210                                 BIO_printf(err, "unrecognized purpose\n");
2211                                 *badarg = 1;
2212                                 }
2213                         else
2214                                 {
2215                                 xptmp = X509_PURPOSE_get0(i);
2216                                 purpose = X509_PURPOSE_get_id(xptmp);
2217                                 }
2218                         }
2219                 (*pargs)++;
2220                 }
2221         else if (!strcmp(arg, "-ignore_critical"))
2222                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2223         else if (!strcmp(arg, "-issuer_checks"))
2224                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2225         else if (!strcmp(arg, "-crl_check"))
2226                 flags |=  X509_V_FLAG_CRL_CHECK;
2227         else if (!strcmp(arg, "-crl_check_all"))
2228                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2229         else if (!strcmp(arg, "-policy_check"))
2230                 flags |= X509_V_FLAG_POLICY_CHECK;
2231         else if (!strcmp(arg, "-explicit_policy"))
2232                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2233         else if (!strcmp(arg, "-x509_strict"))
2234                 flags |= X509_V_FLAG_X509_STRICT;
2235         else if (!strcmp(arg, "-policy_print"))
2236                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2237         else
2238                 return 0;
2239
2240         if (*badarg)
2241                 {
2242                 if (*pm)
2243                         X509_VERIFY_PARAM_free(*pm);
2244                 *pm = NULL;
2245                 goto end;
2246                 }
2247
2248         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2249                 {
2250                 *badarg = 1;
2251                 goto end;
2252                 }
2253
2254         if (otmp)
2255                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2256         if (flags)
2257                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2258
2259         if (purpose)
2260                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2261
2262         end:
2263
2264         (*pargs)++;
2265
2266         if (pargc)
2267                 *pargc -= *pargs - oldargs;
2268
2269         return 1;
2270
2271         }
2272
2273 static void nodes_print(BIO *out, const char *name,
2274         STACK_OF(X509_POLICY_NODE) *nodes)
2275         {
2276         X509_POLICY_NODE *node;
2277         int i;
2278         BIO_printf(out, "%s Policies:", name);
2279         if (nodes)
2280                 {
2281                 BIO_puts(out, "\n");
2282                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2283                         {
2284                         node = sk_X509_POLICY_NODE_value(nodes, i);
2285                         X509_POLICY_NODE_print(out, node, 2);
2286                         }
2287                 }
2288         else
2289                 BIO_puts(out, " <empty>\n");
2290         }
2291
2292 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2293         {
2294         X509_POLICY_TREE *tree;
2295         int explicit_policy;
2296         int free_out = 0;
2297         if (out == NULL)
2298                 {
2299                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2300                 free_out = 1;
2301                 }
2302         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2303         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2304
2305         BIO_printf(out, "Require explicit Policy: %s\n",
2306                                 explicit_policy ? "True" : "False");
2307
2308         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2309         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2310         if (free_out)
2311                 BIO_free(out);
2312         }
2313
2314 /*
2315  * Platform-specific sections
2316  */
2317 #if defined(_WIN32)
2318 # ifdef fileno
2319 #  undef fileno
2320 #  define fileno(a) (int)_fileno(a)
2321 # endif
2322
2323 # include <windows.h>
2324 # include <tchar.h>
2325
2326 static int WIN32_rename(const char *from, const char *to)
2327         {
2328         TCHAR  *tfrom=NULL,*tto;
2329         DWORD   err;
2330         int     ret=0;
2331
2332         if (sizeof(TCHAR) == 1)
2333                 {
2334                 tfrom = (TCHAR *)from;
2335                 tto   = (TCHAR *)to;
2336                 }
2337         else    /* UNICODE path */
2338                 {
2339                 size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
2340                 tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
2341                 if (tfrom==NULL) goto err;
2342                 tto=tfrom+flen;
2343 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2344                 if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
2345 #endif
2346                         for (i=0;i<flen;i++)    tfrom[i]=(TCHAR)from[i];
2347 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2348                 if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
2349 #endif
2350                         for (i=0;i<tlen;i++)    tto[i]  =(TCHAR)to[i];
2351                 }
2352
2353         if (MoveFile(tfrom,tto))        goto ok;
2354         err=GetLastError();
2355         if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
2356                 {
2357                 if (DeleteFile(tto) && MoveFile(tfrom,tto))
2358                         goto ok;
2359                 err=GetLastError();
2360                 }
2361         if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
2362                 errno = ENOENT;
2363         else if (err==ERROR_ACCESS_DENIED)
2364                 errno = EACCES;
2365         else
2366                 errno = EINVAL; /* we could map more codes... */
2367 err:
2368         ret=-1;
2369 ok:
2370         if (tfrom!=NULL && tfrom!=(TCHAR *)from)        free(tfrom);
2371         return ret;
2372         }
2373 #endif
2374
2375 /* app_tminterval section */
2376 #if defined(_WIN32)
2377 double app_tminterval(int stop,int usertime)
2378         {
2379         FILETIME                now;
2380         double                  ret=0;
2381         static ULARGE_INTEGER   tmstart;
2382         static int              warning=1;
2383 #ifdef _WIN32_WINNT
2384         static HANDLE           proc=NULL;
2385
2386         if (proc==NULL)
2387                 {
2388                 if (GetVersion() < 0x80000000)
2389                         proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
2390                                                 GetCurrentProcessId());
2391                 if (proc==NULL) proc = (HANDLE)-1;
2392                 }
2393
2394         if (usertime && proc!=(HANDLE)-1)
2395                 {
2396                 FILETIME junk;
2397                 GetProcessTimes(proc,&junk,&junk,&junk,&now);
2398                 }
2399         else
2400 #endif
2401                 {
2402                 SYSTEMTIME systime;
2403
2404                 if (usertime && warning)
2405                         {
2406                         BIO_printf(bio_err,"To get meaningful results, run "
2407                                            "this program on idle system.\n");
2408                         warning=0;
2409                         }
2410                 GetSystemTime(&systime);
2411                 SystemTimeToFileTime(&systime,&now);
2412                 }
2413
2414         if (stop==TM_START)
2415                 {
2416                 tmstart.u.LowPart  = now.dwLowDateTime;
2417                 tmstart.u.HighPart = now.dwHighDateTime;
2418                 }
2419         else    {
2420                 ULARGE_INTEGER tmstop;
2421
2422                 tmstop.u.LowPart   = now.dwLowDateTime;
2423                 tmstop.u.HighPart  = now.dwHighDateTime;
2424
2425                 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
2426                 }
2427
2428         return (ret);
2429         }
2430
2431 #elif defined(OPENSSL_SYSTEM_NETWARE)
2432 #include <time.h>
2433
2434 double app_tminterval(int stop,int usertime)
2435         {
2436         double          ret=0;
2437         static clock_t  tmstart;
2438         static int      warning=1;
2439
2440         if (usertime && warning)
2441                 {
2442                 BIO_printf(bio_err,"To get meaningful results, run "
2443                                    "this program on idle system.\n");
2444                 warning=0;
2445                 }
2446
2447         if (stop==TM_START)     tmstart = clock();
2448         else                    ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
2449
2450         return (ret);
2451         }
2452
2453 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2454 #include <time.h>
2455
2456 double app_tminterval(int stop,int usertime)
2457         {
2458         double ret=0;
2459 #ifdef CLOCK_REALTIME
2460         static struct timespec  tmstart;
2461         struct timespec         now;
2462 #else
2463         static unsigned long    tmstart;
2464         unsigned long           now;
2465 #endif
2466         static int warning=1;
2467
2468         if (usertime && warning)
2469                 {
2470                 BIO_printf(bio_err,"To get meaningful results, run "
2471                                    "this program on idle system.\n");
2472                 warning=0;
2473                 }
2474
2475 #ifdef CLOCK_REALTIME
2476         clock_gettime(CLOCK_REALTIME,&now);
2477         if (stop==TM_START)     tmstart = now;
2478         else    ret = ( (now.tv_sec+now.tv_nsec*1e-9)
2479                         - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
2480 #else
2481         now = tickGet();
2482         if (stop==TM_START)     tmstart = now;
2483         else                    ret = (now - tmstart)/(double)sysClkRateGet();
2484 #endif
2485         return (ret);
2486         }
2487
2488 #elif defined(OPENSSL_SYSTEM_VMS)
2489 #include <time.h>
2490 #include <times.h>
2491
2492 double app_tminterval(int stop,int usertime)
2493         {
2494         static clock_t  tmstart;
2495         double          ret = 0;
2496         clock_t         now;
2497 #ifdef __TMS
2498         struct tms      rus;
2499
2500         now = times(&rus);
2501         if (usertime)   now = rus.tms_utime;
2502 #else
2503         if (usertime)
2504                 now = clock(); /* sum of user and kernel times */
2505         else    {
2506                 struct timeval tv;
2507                 gettimeofday(&tv,NULL);
2508                 now = (clock_t)(
2509                         (unsigned long long)tv.tv_sec*CLK_TCK +
2510                         (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
2511                         );
2512                 }
2513 #endif
2514         if (stop==TM_START)     tmstart = now;
2515         else                    ret = (now - tmstart)/(double)(CLK_TCK);
2516
2517         return (ret);
2518         }
2519
2520 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
2521 #include <sys/times.h>
2522
2523 double app_tminterval(int stop,int usertime)
2524         {
2525         double          ret = 0;
2526         struct tms      rus;
2527         clock_t         now = times(&rus);
2528         static clock_t  tmstart;
2529
2530         if (usertime)           now = rus.tms_utime;
2531
2532         if (stop==TM_START)     tmstart = now;
2533         else                    ret = (now - tmstart)/(double)sysconf(_SC_CLK_TCK);
2534
2535         return (ret);
2536         }
2537
2538 #else
2539 #include <sys/time.h>
2540 #include <sys/resource.h>
2541
2542 double app_tminterval(int stop,int usertime)
2543         {
2544         double          ret = 0;
2545         struct rusage   rus;
2546         struct timeval  now;
2547         static struct timeval tmstart;
2548
2549         if (usertime)           getrusage(RUSAGE_SELF,&rus), now = rus.ru_time;
2550         else                    gettimeofday(&now,NULL);
2551
2552         if (stop==TM_START)     tmstart = now;
2553         else                    ret = ( (now.tv_sec+now.tv_usec*1e-6)
2554                                         - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
2555
2556         return ret;
2557         }
2558 #endif
2559
2560 /* app_isdir section */
2561 #ifdef _WIN32
2562 int app_isdir(const char *name)
2563         {
2564         HANDLE          hList;
2565         WIN32_FIND_DATA FileData;
2566 #if defined(UNICODE) || defined(_UNICODE)
2567         size_t i, len_0 = strlen(name)+1;
2568
2569         if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
2570                 return -1;
2571
2572 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2573         if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
2574 #endif
2575                 for (i=0;i<len_0;i++)
2576                         FileData.cFileName[i] = (WCHAR)name[i];
2577
2578         hList = FindFirstFile(FileData.cFileName,&FileData);
2579 #else
2580         hList = FindFirstFile(name,&FileData);
2581 #endif
2582         if (hList == INVALID_HANDLE_VALUE)      return -1;
2583         FindClose(hList);
2584         return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
2585         }
2586 #else
2587 #include <sys/stat.h>
2588 #ifndef S_ISDIR
2589 # if defined(_S_IFMT) && defined(_S_IFDIR)
2590 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
2591 # else
2592 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
2593 # endif
2594 #endif
2595
2596 int app_isdir(const char *name)
2597         {
2598 #if defined(S_ISDIR)
2599         struct stat st;
2600
2601         if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
2602         else                    return -1;
2603 #else
2604         return -1;
2605 #endif
2606         }
2607 #endif
2608
2609 /* raw_read|write section */
2610 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2611 int raw_read_stdin(void *buf,int siz)
2612         {
2613         DWORD n;
2614         if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
2615                 return (n);
2616         else    return (-1);
2617         }
2618 #else
2619 int raw_read_stdin(void *buf,int siz)
2620         {       return read(fileno(stdin),buf,siz);     }
2621 #endif
2622
2623 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2624 int raw_write_stdout(void *buf,int siz)
2625         {
2626         DWORD n;
2627         if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
2628                 return (n);
2629         else    return (-1);
2630         }
2631 #else
2632 int raw_write_stdout(const void *buf,int siz)
2633         {       return write(fileno(stdout),buf,siz);   }
2634 #endif