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 #ifndef OPENSSL_SYSNAME_WIN32
 120 #include <strings.h>
 121 #endif
 122 #include <sys/types.h>
 123 #include <ctype.h>
 124 #include <errno.h>
 125 #include <openssl/err.h>
 126 #include <openssl/x509.h>
 127 #include <openssl/x509v3.h>
 128 #include <openssl/pem.h>
 129 #include <openssl/pkcs12.h>
 130 #include <openssl/ui.h>
 131 #include <openssl/safestack.h>
 132 #ifndef OPENSSL_NO_ENGINE
 133 #include <openssl/engine.h>
 134 #endif
 135 #ifndef OPENSSL_NO_RSA
 136 #include <openssl/rsa.h>
 137 #endif
 138 #include <openssl/bn.h>
 139
 140 #define NON_MAIN
 141 #include "apps.h"
 142 #undef NON_MAIN
 143
 144 #ifdef _WIN32
 145 static int WIN32_rename(const char *from, const char *to);
 146 #define rename(from,to) WIN32_rename((from),(to))
 147 #endif
 148
 149 typedef struct {
 150         const char *name;
 151         unsigned long flag;
 152         unsigned long mask;
 153 } NAME_EX_TBL;
 154
 155 static UI_METHOD *ui_method = NULL;
 156
 157 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 158 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 159
 160 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 161 /* Looks like this stuff is worth moving into separate function */
 162 static EVP_PKEY *
 163 load_netscape_key(BIO *err, BIO *key, const char *file,
 164                 const char *key_descrip, int format);
 165 #endif
 166
 167 int app_init(long mesgwin);
 168 #ifdef undef /* never finished - probably never will be :-) */
 169 int args_from_file(char *file, int *argc, char **argv[])
 170         {
 171         FILE *fp;
 172         int num,i;
 173         unsigned int len;
 174         static char *buf=NULL;
 175         static char **arg=NULL;
 176         char *p;
 177
 178         fp=fopen(file,"r");
 179         if (fp == NULL)
 180                 return(0);
 181
 182         if (fseek(fp,0,SEEK_END)==0)
 183                 len=ftell(fp), rewind(fp);
 184         else    len=-1;
 185         if (len<=0)
 186                 {
 187                 fclose(fp);
 188                 return(0);
 189                 }
 190
 191         *argc=0;
 192         *argv=NULL;
 193
 194         if (buf != NULL) OPENSSL_free(buf);
 195         buf=(char *)OPENSSL_malloc(len+1);
 196         if (buf == NULL) return(0);
 197
 198         len=fread(buf,1,len,fp);
 199         if (len <= 1) return(0);
 200         buf[len]='\0';
 201
 202         i=0;
 203         for (p=buf; *p; p++)
 204                 if (*p == '\n') i++;
 205         if (arg != NULL) OPENSSL_free(arg);
 206         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 207
 208         *argv=arg;
 209         num=0;
 210         p=buf;
 211         for (;;)
 212                 {
 213                 if (!*p) break;
 214                 if (*p == '#') /* comment line */
 215                         {
 216                         while (*p && (*p != '\n')) p++;
 217                         continue;
 218                         }
 219                 /* else we have a line */
 220                 *(arg++)=p;
 221                 num++;
 222                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 223                         p++;
 224                 if (!*p) break;
 225                 if (*p == '\n')
 226                         {
 227                         *(p++)='\0';
 228                         continue;
 229                         }
 230                 /* else it is a tab or space */
 231                 p++;
 232                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 233                         p++;
 234                 if (!*p) break;
 235                 if (*p == '\n')
 236                         {
 237                         p++;
 238                         continue;
 239                         }
 240                 *(arg++)=p++;
 241                 num++;
 242                 while (*p && (*p != '\n')) p++;
 243                 if (!*p) break;
 244                 /* else *p == '\n' */
 245                 *(p++)='\0';
 246                 }
 247         *argc=num;
 248         return(1);
 249         }
 250 #endif
 251
 252 int str2fmt(char *s)
 253         {
 254         if      ((*s == 'D') || (*s == 'd'))
 255                 return(FORMAT_ASN1);
 256         else if ((*s == 'T') || (*s == 't'))
 257                 return(FORMAT_TEXT);
 258         else if ((*s == 'P') || (*s == 'p'))
 259                 {
 260                 if (s[1] == 'V' || s[1] == 'v')
 261                         return FORMAT_PVK;
 262                 else
 263                         return(FORMAT_PEM);
 264                 }
 265         else if ((*s == 'N') || (*s == 'n'))
 266                 return(FORMAT_NETSCAPE);
 267         else if ((*s == 'S') || (*s == 's'))
 268                 return(FORMAT_SMIME);
 269         else if ((*s == 'M') || (*s == 'm'))
 270                 return(FORMAT_MSBLOB);
 271         else if ((*s == '1')
 272                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 273                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 274                 return(FORMAT_PKCS12);
 275         else if ((*s == 'E') || (*s == 'e'))
 276                 return(FORMAT_ENGINE);
 277         else
 278                 return(FORMAT_UNDEF);
 279         }
 280
 281 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 282 void program_name(char *in, char *out, int size)
 283         {
 284         int i,n;
 285         char *p=NULL;
 286
 287         n=strlen(in);
 288         /* find the last '/', '\' or ':' */
 289         for (i=n-1; i>0; i--)
 290                 {
 291                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 292                         {
 293                         p= &(in[i+1]);
 294                         break;
 295                         }
 296                 }
 297         if (p == NULL)
 298                 p=in;
 299         n=strlen(p);
 300
 301 #if defined(OPENSSL_SYS_NETWARE)
 302    /* strip off trailing .nlm if present. */
 303    if ((n > 4) && (p[n-4] == '.') &&
 304       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 305       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 306       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 307       n-=4;
 308 #else
 309         /* strip off trailing .exe if present. */
 310         if ((n > 4) && (p[n-4] == '.') &&
 311                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 312                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 313                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 314                 n-=4;
 315 #endif
 316
 317         if (n > size-1)
 318                 n=size-1;
 319
 320         for (i=0; i<n; i++)
 321                 {
 322                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 323                         out[i]=p[i]-'A'+'a';
 324                 else
 325                         out[i]=p[i];
 326                 }
 327         out[n]='\0';
 328         }
 329 #else
 330 #ifdef OPENSSL_SYS_VMS
 331 void program_name(char *in, char *out, int size)
 332         {
 333         char *p=in, *q;
 334         char *chars=":]>";
 335
 336         while(*chars != '\0')
 337                 {
 338                 q=strrchr(p,*chars);
 339                 if (q > p)
 340                         p = q + 1;
 341                 chars++;
 342                 }
 343
 344         q=strrchr(p,'.');
 345         if (q == NULL)
 346                 q = p + strlen(p);
 347         strncpy(out,p,size-1);
 348         if (q-p >= size)
 349                 {
 350                 out[size-1]='\0';
 351                 }
 352         else
 353                 {
 354                 out[q-p]='\0';
 355                 }
 356         }
 357 #else
 358 void program_name(char *in, char *out, int size)
 359         {
 360         char *p;
 361
 362         p=strrchr(in,'/');
 363         if (p != NULL)
 364                 p++;
 365         else
 366                 p=in;
 367         BUF_strlcpy(out,p,size);
 368         }
 369 #endif
 370 #endif
 371
 372 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 373         {
 374         int num,len,i;
 375         char *p;
 376
 377         *argc=0;
 378         *argv=NULL;
 379
 380         len=strlen(buf);
 381         i=0;
 382         if (arg->count == 0)
 383                 {
 384                 arg->count=20;
 385                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 386                 }
 387         for (i=0; i<arg->count; i++)
 388                 arg->data[i]=NULL;
 389
 390         num=0;
 391         p=buf;
 392         for (;;)
 393                 {
 394                 /* first scan over white space */
 395                 if (!*p) break;
 396                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 397                         p++;
 398                 if (!*p) break;
 399
 400                 /* The start of something good :-) */
 401                 if (num >= arg->count)
 402                         {
 403                         char **tmp_p;
 404                         int tlen = arg->count + 20;
 405                         tmp_p = (char **)OPENSSL_realloc(arg->data,
 406                                 sizeof(char *)*tlen);
 407                         if (tmp_p == NULL)
 408                                 return 0;
 409                         arg->data  = tmp_p;
 410                         arg->count = tlen;
 411                         /* initialize newly allocated data */
 412                         for (i = num; i < arg->count; i++)
 413                                 arg->data[i] = NULL;
 414                         }
 415                 arg->data[num++]=p;
 416
 417                 /* now look for the end of this */
 418                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 419                         {
 420                         i= *(p++);
 421                         arg->data[num-1]++; /* jump over quote */
 422                         while (*p && (*p != i))
 423                                 p++;
 424                         *p='\0';
 425                         }
 426                 else
 427                         {
 428                         while (*p && ((*p != ' ') &&
 429                                 (*p != '\t') && (*p != '\n')))
 430                                 p++;
 431
 432                         if (*p == '\0')
 433                                 p--;
 434                         else
 435                                 *p='\0';
 436                         }
 437                 p++;
 438                 }
 439         *argc=num;
 440         *argv=arg->data;
 441         return(1);
 442         }
 443
 444 #ifndef APP_INIT
 445 int app_init(long mesgwin)
 446         {
 447         return(1);
 448         }
 449 #endif
 450
 451
 452 int dump_cert_text (BIO *out, X509 *x)
 453 {
 454         char *p;
 455
 456         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 457         BIO_puts(out,"subject=");
 458         BIO_puts(out,p);
 459         OPENSSL_free(p);
 460
 461         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 462         BIO_puts(out,"\nissuer=");
 463         BIO_puts(out,p);
 464         BIO_puts(out,"\n");
 465         OPENSSL_free(p);
 466
 467         return 0;
 468 }
 469
 470 static int ui_open(UI *ui)
 471         {
 472         return UI_method_get_opener(UI_OpenSSL())(ui);
 473         }
 474 static int ui_read(UI *ui, UI_STRING *uis)
 475         {
 476         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 477                 && UI_get0_user_data(ui))
 478                 {
 479                 switch(UI_get_string_type(uis))
 480                         {
 481                 case UIT_PROMPT:
 482                 case UIT_VERIFY:
 483                         {
 484                         const char *password =
 485                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 486                         if (password && password[0] != '\0')
 487                                 {
 488                                 UI_set_result(ui, uis, password);
 489                                 return 1;
 490                                 }
 491                         }
 492                 default:
 493                         break;
 494                         }
 495                 }
 496         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 497         }
 498 static int ui_write(UI *ui, UI_STRING *uis)
 499         {
 500         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 501                 && UI_get0_user_data(ui))
 502                 {
 503                 switch(UI_get_string_type(uis))
 504                         {
 505                 case UIT_PROMPT:
 506                 case UIT_VERIFY:
 507                         {
 508                         const char *password =
 509                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 510                         if (password && password[0] != '\0')
 511                                 return 1;
 512                         }
 513                 default:
 514                         break;
 515                         }
 516                 }
 517         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 518         }
 519 static int ui_close(UI *ui)
 520         {
 521         return UI_method_get_closer(UI_OpenSSL())(ui);
 522         }
 523 int setup_ui_method(void)
 524         {
 525         ui_method = UI_create_method("OpenSSL application user interface");
 526         UI_method_set_opener(ui_method, ui_open);
 527         UI_method_set_reader(ui_method, ui_read);
 528         UI_method_set_writer(ui_method, ui_write);
 529         UI_method_set_closer(ui_method, ui_close);
 530         return 0;
 531         }
 532 void destroy_ui_method(void)
 533         {
 534         if(ui_method)
 535                 {
 536                 UI_destroy_method(ui_method);
 537                 ui_method = NULL;
 538                 }
 539         }
 540 int password_callback(char *buf, int bufsiz, int verify,
 541         PW_CB_DATA *cb_tmp)
 542         {
 543         UI *ui = NULL;
 544         int res = 0;
 545         const char *prompt_info = NULL;
 546         const char *password = NULL;
 547         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 548
 549         if (cb_data)
 550                 {
 551                 if (cb_data->password)
 552                         password = cb_data->password;
 553                 if (cb_data->prompt_info)
 554                         prompt_info = cb_data->prompt_info;
 555                 }
 556
 557         if (password)
 558                 {
 559                 res = strlen(password);
 560                 if (res > bufsiz)
 561                         res = bufsiz;
 562                 memcpy(buf, password, res);
 563                 return res;
 564                 }
 565
 566         ui = UI_new_method(ui_method);
 567         if (ui)
 568                 {
 569                 int ok = 0;
 570                 char *buff = NULL;
 571                 int ui_flags = 0;
 572                 char *prompt = NULL;
 573
 574                 prompt = UI_construct_prompt(ui, "pass phrase",
 575                         prompt_info);
 576
 577                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 578                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 579
 580                 if (ok >= 0)
 581                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 582                                 PW_MIN_LENGTH,BUFSIZ-1);
 583                 if (ok >= 0 && verify)
 584                         {
 585                         buff = (char *)OPENSSL_malloc(bufsiz);
 586                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 587                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 588                         }
 589                 if (ok >= 0)
 590                         do
 591                                 {
 592                                 ok = UI_process(ui);
 593                                 }
 594                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 595
 596                 if (buff)
 597                         {
 598                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 599                         OPENSSL_free(buff);
 600                         }
 601
 602                 if (ok >= 0)
 603                         res = strlen(buf);
 604                 if (ok == -1)
 605                         {
 606                         BIO_printf(bio_err, "User interface error\n");
 607                         ERR_print_errors(bio_err);
 608                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 609                         res = 0;
 610                         }
 611                 if (ok == -2)
 612                         {
 613                         BIO_printf(bio_err,"aborted!\n");
 614                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 615                         res = 0;
 616                         }
 617                 UI_free(ui);
 618                 OPENSSL_free(prompt);
 619                 }
 620         return res;
 621         }
 622
 623 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 624
 625 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 626 {
 627         int same;
 628         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 629         else same = 1;
 630         if(arg1) {
 631                 *pass1 = app_get_pass(err, arg1, same);
 632                 if(!*pass1) return 0;
 633         } else if(pass1) *pass1 = NULL;
 634         if(arg2) {
 635                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 636                 if(!*pass2) return 0;
 637         } else if(pass2) *pass2 = NULL;
 638         return 1;
 639 }
 640
 641 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 642 {
 643         char *tmp, tpass[APP_PASS_LEN];
 644         static BIO *pwdbio = NULL;
 645         int i;
 646         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 647         if(!strncmp(arg, "env:", 4)) {
 648                 tmp = getenv(arg + 4);
 649                 if(!tmp) {
 650                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 651                         return NULL;
 652                 }
 653                 return BUF_strdup(tmp);
 654         }
 655         if(!keepbio || !pwdbio) {
 656                 if(!strncmp(arg, "file:", 5)) {
 657                         pwdbio = BIO_new_file(arg + 5, "r");
 658                         if(!pwdbio) {
 659                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 660                                 return NULL;
 661                         }
 662 #if !defined(_WIN32)
 663                 /*
 664                  * Under _WIN32, which covers even Win64 and CE, file
 665                  * descriptors referenced by BIO_s_fd are not inherited
 666                  * by child process and therefore below is not an option.
 667                  * It could have been an option if bss_fd.c was operating
 668                  * on real Windows descriptors, such as those obtained
 669                  * with CreateFile.
 670                  */
 671                 } else if(!strncmp(arg, "fd:", 3)) {
 672                         BIO *btmp;
 673                         i = atoi(arg + 3);
 674                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 675                         if((i < 0) || !pwdbio) {
 676                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 677                                 return NULL;
 678                         }
 679                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 680                         btmp = BIO_new(BIO_f_buffer());
 681                         pwdbio = BIO_push(btmp, pwdbio);
 682 #endif
 683                 } else if(!strcmp(arg, "stdin")) {
 684                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 685                         if(!pwdbio) {
 686                                 BIO_printf(err, "Can't open BIO for stdin\n");
 687                                 return NULL;
 688                         }
 689                 } else {
 690                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 691                         return NULL;
 692                 }
 693         }
 694         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 695         if(keepbio != 1) {
 696                 BIO_free_all(pwdbio);
 697                 pwdbio = NULL;
 698         }
 699         if(i <= 0) {
 700                 BIO_printf(err, "Error reading password from BIO\n");
 701                 return NULL;
 702         }
 703         tmp = strchr(tpass, '\n');
 704         if(tmp) *tmp = 0;
 705         return BUF_strdup(tpass);
 706 }
 707
 708 int add_oid_section(BIO *err, CONF *conf)
 709 {
 710         char *p;
 711         STACK_OF(CONF_VALUE) *sktmp;
 712         CONF_VALUE *cnf;
 713         int i;
 714         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 715                 {
 716                 ERR_clear_error();
 717                 return 1;
 718                 }
 719         if(!(sktmp = NCONF_get_section(conf, p))) {
 720                 BIO_printf(err, "problem loading oid section %s\n", p);
 721                 return 0;
 722         }
 723         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 724                 cnf = sk_CONF_VALUE_value(sktmp, i);
 725                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 726                         BIO_printf(err, "problem creating object %s=%s\n",
 727                                                          cnf->name, cnf->value);
 728                         return 0;
 729                 }
 730         }
 731         return 1;
 732 }
 733
 734 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 735                 pem_password_cb *pem_cb,  void *cb_data,
 736                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 737         {
 738         const char *pass;
 739         char tpass[PEM_BUFSIZE];
 740         int len, ret = 0;
 741         PKCS12 *p12;
 742         p12 = d2i_PKCS12_bio(in, NULL);
 743         if (p12 == NULL)
 744                 {
 745                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 746                 goto die;
 747                 }
 748         /* See if an empty password will do */
 749         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 750                 pass = "";
 751         else
 752                 {
 753                 if (!pem_cb)
 754                         pem_cb = (pem_password_cb *)password_callback;
 755                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 756                 if (len < 0)
 757                         {
 758                         BIO_printf(err, "Passpharse callback error for %s\n",
 759                                         desc);
 760                         goto die;
 761                         }
 762                 if (len < PEM_BUFSIZE)
 763                         tpass[len] = 0;
 764                 if (!PKCS12_verify_mac(p12, tpass, len))
 765                         {
 766                         BIO_printf(err,
 767         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 768                         goto die;
 769                         }
 770                 pass = tpass;
 771                 }
 772         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 773         die:
 774         if (p12)
 775                 PKCS12_free(p12);
 776         return ret;
 777         }
 778
 779 X509 *load_cert(BIO *err, const char *file, int format,
 780         const char *pass, ENGINE *e, const char *cert_descrip)
 781         {
 782         X509 *x=NULL;
 783         BIO *cert;
 784
 785         if ((cert=BIO_new(BIO_s_file())) == NULL)
 786                 {
 787                 ERR_print_errors(err);
 788                 goto end;
 789                 }
 790
 791         if (file == NULL)
 792                 {
 793 #ifdef _IONBF
 794                 setvbuf(stdin, NULL, _IONBF, 0);
 795 #endif
 796                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 797                 }
 798         else
 799                 {
 800                 if (BIO_read_filename(cert,file) <= 0)
 801                         {
 802                         BIO_printf(err, "Error opening %s %s\n",
 803                                 cert_descrip, file);
 804                         ERR_print_errors(err);
 805                         goto end;
 806                         }
 807                 }
 808
 809         if      (format == FORMAT_ASN1)
 810                 x=d2i_X509_bio(cert,NULL);
 811         else if (format == FORMAT_NETSCAPE)
 812                 {
 813                 NETSCAPE_X509 *nx;
 814                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
 815                 if (nx == NULL)
 816                                 goto end;
 817
 818                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
 819                         nx->header->length) != 0))
 820                         {
 821                         NETSCAPE_X509_free(nx);
 822                         BIO_printf(err,"Error reading header on certificate\n");
 823                         goto end;
 824                         }
 825                 x=nx->cert;
 826                 nx->cert = NULL;
 827                 NETSCAPE_X509_free(nx);
 828                 }
 829         else if (format == FORMAT_PEM)
 830                 x=PEM_read_bio_X509_AUX(cert,NULL,
 831                         (pem_password_cb *)password_callback, NULL);
 832         else if (format == FORMAT_PKCS12)
 833                 {
 834                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 835                                         NULL, &x, NULL))
 836                         goto end;
 837                 }
 838         else    {
 839                 BIO_printf(err,"bad input format specified for %s\n",
 840                         cert_descrip);
 841                 goto end;
 842                 }
 843 end:
 844         if (x == NULL)
 845                 {
 846                 BIO_printf(err,"unable to load certificate\n");
 847                 ERR_print_errors(err);
 848                 }
 849         if (cert != NULL) BIO_free(cert);
 850         return(x);
 851         }
 852
 853 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 854         const char *pass, ENGINE *e, const char *key_descrip)
 855         {
 856         BIO *key=NULL;
 857         EVP_PKEY *pkey=NULL;
 858         PW_CB_DATA cb_data;
 859
 860         cb_data.password = pass;
 861         cb_data.prompt_info = file;
 862
 863         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 864                 {
 865                 BIO_printf(err,"no keyfile specified\n");
 866                 goto end;
 867                 }
 868 #ifndef OPENSSL_NO_ENGINE
 869         if (format == FORMAT_ENGINE)
 870                 {
 871                 if (!e)
 872                         BIO_printf(bio_err,"no engine specified\n");
 873                 else
 874                         pkey = ENGINE_load_private_key(e, file,
 875                                 ui_method, &cb_data);
 876                 goto end;
 877                 }
 878 #endif
 879         key=BIO_new(BIO_s_file());
 880         if (key == NULL)
 881                 {
 882                 ERR_print_errors(err);
 883                 goto end;
 884                 }
 885         if (file == NULL && maybe_stdin)
 886                 {
 887 #ifdef _IONBF
 888                 setvbuf(stdin, NULL, _IONBF, 0);
 889 #endif
 890                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 891                 }
 892         else
 893                 if (BIO_read_filename(key,file) <= 0)
 894                         {
 895                         BIO_printf(err, "Error opening %s %s\n",
 896                                 key_descrip, file);
 897                         ERR_print_errors(err);
 898                         goto end;
 899                         }
 900         if (format == FORMAT_ASN1)
 901                 {
 902                 pkey=d2i_PrivateKey_bio(key, NULL);
 903                 }
 904         else if (format == FORMAT_PEM)
 905                 {
 906                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 907                         (pem_password_cb *)password_callback, &cb_data);
 908                 }
 909 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 910         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 911                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 912 #endif
 913         else if (format == FORMAT_PKCS12)
 914                 {
 915                 if (!load_pkcs12(err, key, key_descrip,
 916                                 (pem_password_cb *)password_callback, &cb_data,
 917                                 &pkey, NULL, NULL))
 918                         goto end;
 919                 }
 920         else if (format == FORMAT_MSBLOB)
 921                 pkey = b2i_PrivateKey_bio(key);
 922         else if (format == FORMAT_PVK)
 923                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
 924                                                                 &cb_data);
 925         else
 926                 {
 927                 BIO_printf(err,"bad input format specified for key file\n");
 928                 goto end;
 929                 }
 930  end:
 931         if (key != NULL) BIO_free(key);
 932         if (pkey == NULL)
 933                 BIO_printf(err,"unable to load %s\n", key_descrip);
 934         return(pkey);
 935         }
 936
 937 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 938         const char *pass, ENGINE *e, const char *key_descrip)
 939         {
 940         BIO *key=NULL;
 941         EVP_PKEY *pkey=NULL;
 942         PW_CB_DATA cb_data;
 943
 944         cb_data.password = pass;
 945         cb_data.prompt_info = file;
 946
 947         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 948                 {
 949                 BIO_printf(err,"no keyfile specified\n");
 950                 goto end;
 951                 }
 952 #ifndef OPENSSL_NO_ENGINE
 953         if (format == FORMAT_ENGINE)
 954                 {
 955                 if (!e)
 956                         BIO_printf(bio_err,"no engine specified\n");
 957                 else
 958                         pkey = ENGINE_load_public_key(e, file,
 959                                 ui_method, &cb_data);
 960                 goto end;
 961                 }
 962 #endif
 963         key=BIO_new(BIO_s_file());
 964         if (key == NULL)
 965                 {
 966                 ERR_print_errors(err);
 967                 goto end;
 968                 }
 969         if (file == NULL && maybe_stdin)
 970                 {
 971 #ifdef _IONBF
 972                 setvbuf(stdin, NULL, _IONBF, 0);
 973 #endif
 974                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 975                 }
 976         else
 977                 if (BIO_read_filename(key,file) <= 0)
 978                         {
 979                         BIO_printf(err, "Error opening %s %s\n",
 980                                 key_descrip, file);
 981                         ERR_print_errors(err);
 982                         goto end;
 983                 }
 984         if (format == FORMAT_ASN1)
 985                 {
 986                 pkey=d2i_PUBKEY_bio(key, NULL);
 987                 }
 988         else if (format == FORMAT_ASN1RSA)
 989                 {
 990                 RSA *rsa;
 991                 rsa = d2i_RSAPublicKey_bio(key, NULL);
 992                 if (rsa)
 993                         {
 994                         pkey = EVP_PKEY_new();
 995                         if (pkey)
 996                                 EVP_PKEY_set1_RSA(pkey, rsa);
 997                         RSA_free(rsa);
 998                         }
 999                 else
1000                         pkey = NULL;
1001                 }
1002         else if (format == FORMAT_PEMRSA)
1003                 {
1004                 RSA *rsa;
1005                 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1006                         (pem_password_cb *)password_callback, &cb_data);
1007                 if (rsa)
1008                         {
1009                         pkey = EVP_PKEY_new();
1010                         if (pkey)
1011                                 EVP_PKEY_set1_RSA(pkey, rsa);
1012                         RSA_free(rsa);
1013                         }
1014                 else
1015                         pkey = NULL;
1016                 }
1017
1018         else if (format == FORMAT_PEM)
1019                 {
1020                 pkey=PEM_read_bio_PUBKEY(key,NULL,
1021                         (pem_password_cb *)password_callback, &cb_data);
1022                 }
1023 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1024         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1025                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1026 #endif
1027         else if (format == FORMAT_MSBLOB)
1028                 pkey = b2i_PublicKey_bio(key);
1029         else
1030                 {
1031                 BIO_printf(err,"bad input format specified for key file\n");
1032                 goto end;
1033                 }
1034  end:
1035         if (key != NULL) BIO_free(key);
1036         if (pkey == NULL)
1037                 BIO_printf(err,"unable to load %s\n", key_descrip);
1038         return(pkey);
1039         }
1040
1041 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1042 static EVP_PKEY *
1043 load_netscape_key(BIO *err, BIO *key, const char *file,
1044                 const char *key_descrip, int format)
1045         {
1046         EVP_PKEY *pkey;
1047         BUF_MEM *buf;
1048         RSA     *rsa;
1049         const unsigned char *p;
1050         int size, i;
1051
1052         buf=BUF_MEM_new();
1053         pkey = EVP_PKEY_new();
1054         size = 0;
1055         if (buf == NULL || pkey == NULL)
1056                 goto error;
1057         for (;;)
1058                 {
1059                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1060                         goto error;
1061                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1062                 size += i;
1063                 if (i == 0)
1064                         break;
1065                 if (i < 0)
1066                         {
1067                                 BIO_printf(err, "Error reading %s %s",
1068                                         key_descrip, file);
1069                                 goto error;
1070                         }
1071                 }
1072         p=(unsigned char *)buf->data;
1073         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1074                 (format == FORMAT_IISSGC ? 1 : 0));
1075         if (rsa == NULL)
1076                 goto error;
1077         BUF_MEM_free(buf);
1078         EVP_PKEY_set1_RSA(pkey, rsa);
1079         return pkey;
1080 error:
1081         BUF_MEM_free(buf);
1082         EVP_PKEY_free(pkey);
1083         return NULL;
1084         }
1085 #endif /* ndef OPENSSL_NO_RC4 */
1086
1087 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1088         const char *pass, ENGINE *e, const char *cert_descrip)
1089         {
1090         BIO *certs;
1091         int i;
1092         STACK_OF(X509) *othercerts = NULL;
1093         STACK_OF(X509_INFO) *allcerts = NULL;
1094         X509_INFO *xi;
1095         PW_CB_DATA cb_data;
1096
1097         cb_data.password = pass;
1098         cb_data.prompt_info = file;
1099
1100         if((certs = BIO_new(BIO_s_file())) == NULL)
1101                 {
1102                 ERR_print_errors(err);
1103                 goto end;
1104                 }
1105
1106         if (file == NULL)
1107                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1108         else
1109                 {
1110                 if (BIO_read_filename(certs,file) <= 0)
1111                         {
1112                         BIO_printf(err, "Error opening %s %s\n",
1113                                 cert_descrip, file);
1114                         ERR_print_errors(err);
1115                         goto end;
1116                         }
1117                 }
1118
1119         if      (format == FORMAT_PEM)
1120                 {
1121                 othercerts = sk_X509_new_null();
1122                 if(!othercerts)
1123                         {
1124                         sk_X509_free(othercerts);
1125                         othercerts = NULL;
1126                         goto end;
1127                         }
1128                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1129                                 (pem_password_cb *)password_callback, &cb_data);
1130                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1131                         {
1132                         xi = sk_X509_INFO_value (allcerts, i);
1133                         if (xi->x509)
1134                                 {
1135                                 sk_X509_push(othercerts, xi->x509);
1136                                 xi->x509 = NULL;
1137                                 }
1138                         }
1139                 goto end;
1140                 }
1141         else    {
1142                 BIO_printf(err,"bad input format specified for %s\n",
1143                         cert_descrip);
1144                 goto end;
1145                 }
1146 end:
1147         if (othercerts == NULL)
1148                 {
1149                 BIO_printf(err,"unable to load certificates\n");
1150                 ERR_print_errors(err);
1151                 }
1152         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1153         if (certs != NULL) BIO_free(certs);
1154         return(othercerts);
1155         }
1156
1157
1158 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1159 /* Return error for unknown extensions */
1160 #define X509V3_EXT_DEFAULT              0
1161 /* Print error for unknown extensions */
1162 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1163 /* ASN1 parse unknown extensions */
1164 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1165 /* BIO_dump unknown extensions */
1166 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1167
1168 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1169                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1170
1171 int set_cert_ex(unsigned long *flags, const char *arg)
1172 {
1173         static const NAME_EX_TBL cert_tbl[] = {
1174                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1175                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1176                 { "no_header", X509_FLAG_NO_HEADER, 0},
1177                 { "no_version", X509_FLAG_NO_VERSION, 0},
1178                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1179                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1180                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1181                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1182                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1183                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1184                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1185                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1186                 { "no_aux", X509_FLAG_NO_AUX, 0},
1187                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1188                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1189                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1190                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1191                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1192                 { NULL, 0, 0}
1193         };
1194         return set_multi_opts(flags, arg, cert_tbl);
1195 }
1196
1197 int set_name_ex(unsigned long *flags, const char *arg)
1198 {
1199         static const NAME_EX_TBL ex_tbl[] = {
1200                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1201                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1202                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1203                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1204                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1205                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1206                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1207                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1208                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1209                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1210                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1211                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1212                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1213                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1214                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1215                 { "dn_rev", XN_FLAG_DN_REV, 0},
1216                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1217                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1218                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1219                 { "align", XN_FLAG_FN_ALIGN, 0},
1220                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1221                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1222                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1223                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1224                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1225                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1226                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1227                 { NULL, 0, 0}
1228         };
1229         return set_multi_opts(flags, arg, ex_tbl);
1230 }
1231
1232 int set_ext_copy(int *copy_type, const char *arg)
1233 {
1234         if (!strcasecmp(arg, "none"))
1235                 *copy_type = EXT_COPY_NONE;
1236         else if (!strcasecmp(arg, "copy"))
1237                 *copy_type = EXT_COPY_ADD;
1238         else if (!strcasecmp(arg, "copyall"))
1239                 *copy_type = EXT_COPY_ALL;
1240         else
1241                 return 0;
1242         return 1;
1243 }
1244
1245 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1246 {
1247         STACK_OF(X509_EXTENSION) *exts = NULL;
1248         X509_EXTENSION *ext, *tmpext;
1249         ASN1_OBJECT *obj;
1250         int i, idx, ret = 0;
1251         if (!x || !req || (copy_type == EXT_COPY_NONE))
1252                 return 1;
1253         exts = X509_REQ_get_extensions(req);
1254
1255         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1256                 ext = sk_X509_EXTENSION_value(exts, i);
1257                 obj = X509_EXTENSION_get_object(ext);
1258                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1259                 /* Does extension exist? */
1260                 if (idx != -1) {
1261                         /* If normal copy don't override existing extension */
1262                         if (copy_type == EXT_COPY_ADD)
1263                                 continue;
1264                         /* Delete all extensions of same type */
1265                         do {
1266                                 tmpext = X509_get_ext(x, idx);
1267                                 X509_delete_ext(x, idx);
1268                                 X509_EXTENSION_free(tmpext);
1269                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1270                         } while (idx != -1);
1271                 }
1272                 if (!X509_add_ext(x, ext, -1))
1273                         goto end;
1274         }
1275
1276         ret = 1;
1277
1278         end:
1279
1280         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1281
1282         return ret;
1283 }
1284
1285
1286
1287
1288 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1289 {
1290         STACK_OF(CONF_VALUE) *vals;
1291         CONF_VALUE *val;
1292         int i, ret = 1;
1293         if(!arg) return 0;
1294         vals = X509V3_parse_list(arg);
1295         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1296                 val = sk_CONF_VALUE_value(vals, i);
1297                 if (!set_table_opts(flags, val->name, in_tbl))
1298                         ret = 0;
1299         }
1300         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1301         return ret;
1302 }
1303
1304 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1305 {
1306         char c;
1307         const NAME_EX_TBL *ptbl;
1308         c = arg[0];
1309
1310         if(c == '-') {
1311                 c = 0;
1312                 arg++;
1313         } else if (c == '+') {
1314                 c = 1;
1315                 arg++;
1316         } else c = 1;
1317
1318         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1319                 if(!strcasecmp(arg, ptbl->name)) {
1320                         *flags &= ~ptbl->mask;
1321                         if(c) *flags |= ptbl->flag;
1322                         else *flags &= ~ptbl->flag;
1323                         return 1;
1324                 }
1325         }
1326         return 0;
1327 }
1328
1329 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1330 {
1331         char *buf;
1332         char mline = 0;
1333         int indent = 0;
1334
1335         if(title) BIO_puts(out, title);
1336         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1337                 mline = 1;
1338                 indent = 4;
1339         }
1340         if(lflags == XN_FLAG_COMPAT) {
1341                 buf = X509_NAME_oneline(nm, 0, 0);
1342                 BIO_puts(out, buf);
1343                 BIO_puts(out, "\n");
1344                 OPENSSL_free(buf);
1345         } else {
1346                 if(mline) BIO_puts(out, "\n");
1347                 X509_NAME_print_ex(out, nm, indent, lflags);
1348                 BIO_puts(out, "\n");
1349         }
1350 }
1351
1352 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1353 {
1354         X509_STORE *store;
1355         X509_LOOKUP *lookup;
1356         if(!(store = X509_STORE_new())) goto end;
1357         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1358         if (lookup == NULL) goto end;
1359         if (CAfile) {
1360                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1361                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1362                         goto end;
1363                 }
1364         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1365
1366         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1367         if (lookup == NULL) goto end;
1368         if (CApath) {
1369                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1370                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1371                         goto end;
1372                 }
1373         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1374
1375         ERR_clear_error();
1376         return store;
1377         end:
1378         X509_STORE_free(store);
1379         return NULL;
1380 }
1381
1382 #ifndef OPENSSL_NO_ENGINE
1383 /* Try to load an engine in a shareable library */
1384 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1385         {
1386         ENGINE *e = ENGINE_by_id("dynamic");
1387         if (e)
1388                 {
1389                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1390                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1391                         {
1392                         ENGINE_free(e);
1393                         e = NULL;
1394                         }
1395                 }
1396         return e;
1397         }
1398
1399 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1400         {
1401         ENGINE *e = NULL;
1402
1403         if (engine)
1404                 {
1405                 if(strcmp(engine, "auto") == 0)
1406                         {
1407                         BIO_printf(err,"enabling auto ENGINE support\n");
1408                         ENGINE_register_all_complete();
1409                         return NULL;
1410                         }
1411                 if((e = ENGINE_by_id(engine)) == NULL
1412                         && (e = try_load_engine(err, engine, debug)) == NULL)
1413                         {
1414                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1415                         ERR_print_errors(err);
1416                         return NULL;
1417                         }
1418                 if (debug)
1419                         {
1420                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1421                                 0, err, 0);
1422                         }
1423                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1424                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1425                         {
1426                         BIO_printf(err,"can't use that engine\n");
1427                         ERR_print_errors(err);
1428                         ENGINE_free(e);
1429                         return NULL;
1430                         }
1431
1432                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1433
1434                 /* Free our "structural" reference. */
1435                 ENGINE_free(e);
1436                 }
1437         return e;
1438         }
1439 #endif
1440
1441 int load_config(BIO *err, CONF *cnf)
1442         {
1443         static int load_config_called = 0;
1444         if (load_config_called)
1445                 return 1;
1446         load_config_called = 1;
1447         if (!cnf)
1448                 cnf = config;
1449         if (!cnf)
1450                 return 1;
1451
1452         OPENSSL_load_builtin_modules();
1453
1454         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1455                 {
1456                 BIO_printf(err, "Error configuring OpenSSL\n");
1457                 ERR_print_errors(err);
1458                 return 0;
1459                 }
1460         return 1;
1461         }
1462
1463 char *make_config_name()
1464         {
1465         const char *t=X509_get_default_cert_area();
1466         size_t len;
1467         char *p;
1468
1469         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1470         p=OPENSSL_malloc(len);
1471         BUF_strlcpy(p,t,len);
1472 #ifndef OPENSSL_SYS_VMS
1473         BUF_strlcat(p,"/",len);
1474 #endif
1475         BUF_strlcat(p,OPENSSL_CONF,len);
1476
1477         return p;
1478         }
1479
1480 static unsigned long index_serial_hash(const char **a)
1481         {
1482         const char *n;
1483
1484         n=a[DB_serial];
1485         while (*n == '0') n++;
1486         return(lh_strhash(n));
1487         }
1488
1489 static int index_serial_cmp(const char **a, const char **b)
1490         {
1491         const char *aa,*bb;
1492
1493         for (aa=a[DB_serial]; *aa == '0'; aa++);
1494         for (bb=b[DB_serial]; *bb == '0'; bb++);
1495         return(strcmp(aa,bb));
1496         }
1497
1498 static int index_name_qual(char **a)
1499         { return(a[0][0] == 'V'); }
1500
1501 static unsigned long index_name_hash(const char **a)
1502         { return(lh_strhash(a[DB_name])); }
1503
1504 int index_name_cmp(const char **a, const char **b)
1505         { return(strcmp(a[DB_name],
1506              b[DB_name])); }
1507
1508 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1509 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1510 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1511 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1512
1513 #undef BSIZE
1514 #define BSIZE 256
1515
1516 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1517         {
1518         BIO *in=NULL;
1519         BIGNUM *ret=NULL;
1520         MS_STATIC char buf[1024];
1521         ASN1_INTEGER *ai=NULL;
1522
1523         ai=ASN1_INTEGER_new();
1524         if (ai == NULL) goto err;
1525
1526         if ((in=BIO_new(BIO_s_file())) == NULL)
1527                 {
1528                 ERR_print_errors(bio_err);
1529                 goto err;
1530                 }
1531
1532         if (BIO_read_filename(in,serialfile) <= 0)
1533                 {
1534                 if (!create)
1535                         {
1536                         perror(serialfile);
1537                         goto err;
1538                         }
1539                 else
1540                         {
1541                         ret=BN_new();
1542                         if (ret == NULL || !rand_serial(ret, ai))
1543                                 BIO_printf(bio_err, "Out of memory\n");
1544                         }
1545                 }
1546         else
1547                 {
1548                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1549                         {
1550                         BIO_printf(bio_err,"unable to load number from %s\n",
1551                                 serialfile);
1552                         goto err;
1553                         }
1554                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1555                 if (ret == NULL)
1556                         {
1557                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1558                         goto err;
1559                         }
1560                 }
1561
1562         if (ret && retai)
1563                 {
1564                 *retai = ai;
1565                 ai = NULL;
1566                 }
1567  err:
1568         if (in != NULL) BIO_free(in);
1569         if (ai != NULL) ASN1_INTEGER_free(ai);
1570         return(ret);
1571         }
1572
1573 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1574         {
1575         char buf[1][BSIZE];
1576         BIO *out = NULL;
1577         int ret=0;
1578         ASN1_INTEGER *ai=NULL;
1579         int j;
1580
1581         if (suffix == NULL)
1582                 j = strlen(serialfile);
1583         else
1584                 j = strlen(serialfile) + strlen(suffix) + 1;
1585         if (j >= BSIZE)
1586                 {
1587                 BIO_printf(bio_err,"file name too long\n");
1588                 goto err;
1589                 }
1590
1591         if (suffix == NULL)
1592                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1593         else
1594                 {
1595 #ifndef OPENSSL_SYS_VMS
1596                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1597 #else
1598                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1599 #endif
1600                 }
1601 #ifdef RL_DEBUG
1602         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1603 #endif
1604         out=BIO_new(BIO_s_file());
1605         if (out == NULL)
1606                 {
1607                 ERR_print_errors(bio_err);
1608                 goto err;
1609                 }
1610         if (BIO_write_filename(out,buf[0]) <= 0)
1611                 {
1612                 perror(serialfile);
1613                 goto err;
1614                 }
1615
1616         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1617                 {
1618                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1619                 goto err;
1620                 }
1621         i2a_ASN1_INTEGER(out,ai);
1622         BIO_puts(out,"\n");
1623         ret=1;
1624         if (retai)
1625                 {
1626                 *retai = ai;
1627                 ai = NULL;
1628                 }
1629 err:
1630         if (out != NULL) BIO_free_all(out);
1631         if (ai != NULL) ASN1_INTEGER_free(ai);
1632         return(ret);
1633         }
1634
1635 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1636         {
1637         char buf[5][BSIZE];
1638         int i,j;
1639
1640         i = strlen(serialfile) + strlen(old_suffix);
1641         j = strlen(serialfile) + strlen(new_suffix);
1642         if (i > j) j = i;
1643         if (j + 1 >= BSIZE)
1644                 {
1645                 BIO_printf(bio_err,"file name too long\n");
1646                 goto err;
1647                 }
1648
1649 #ifndef OPENSSL_SYS_VMS
1650         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1651                 serialfile, new_suffix);
1652 #else
1653         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1654                 serialfile, new_suffix);
1655 #endif
1656 #ifndef OPENSSL_SYS_VMS
1657         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1658                 serialfile, old_suffix);
1659 #else
1660         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1661                 serialfile, old_suffix);
1662 #endif
1663 #ifdef RL_DEBUG
1664         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1665                 serialfile, buf[1]);
1666 #endif
1667         if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1668 #ifdef ENOTDIR
1669                         && errno != ENOTDIR
1670 #endif
1671            )            {
1672                         BIO_printf(bio_err,
1673                                 "unable to rename %s to %s\n",
1674                                 serialfile, buf[1]);
1675                         perror("reason");
1676                         goto err;
1677                         }
1678 #ifdef RL_DEBUG
1679         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1680                 buf[0],serialfile);
1681 #endif
1682         if (rename(buf[0],serialfile) < 0)
1683                 {
1684                 BIO_printf(bio_err,
1685                         "unable to rename %s to %s\n",
1686                         buf[0],serialfile);
1687                 perror("reason");
1688                 rename(buf[1],serialfile);
1689                 goto err;
1690                 }
1691         return 1;
1692  err:
1693         return 0;
1694         }
1695
1696 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1697         {
1698         BIGNUM *btmp;
1699         int ret = 0;
1700         if (b)
1701                 btmp = b;
1702         else
1703                 btmp = BN_new();
1704
1705         if (!btmp)
1706                 return 0;
1707
1708         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1709                 goto error;
1710         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1711                 goto error;
1712
1713         ret = 1;
1714
1715         error:
1716
1717         if (!b)
1718                 BN_free(btmp);
1719
1720         return ret;
1721         }
1722
1723 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1724         {
1725         CA_DB *retdb = NULL;
1726         TXT_DB *tmpdb = NULL;
1727         BIO *in = BIO_new(BIO_s_file());
1728         CONF *dbattr_conf = NULL;
1729         char buf[1][BSIZE];
1730         long errorline= -1;
1731
1732         if (in == NULL)
1733                 {
1734                 ERR_print_errors(bio_err);
1735                 goto err;
1736                 }
1737         if (BIO_read_filename(in,dbfile) <= 0)
1738                 {
1739                 perror(dbfile);
1740                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1741                 goto err;
1742                 }
1743         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1744                 goto err;
1745
1746 #ifndef OPENSSL_SYS_VMS
1747         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1748 #else
1749         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1750 #endif
1751         dbattr_conf = NCONF_new(NULL);
1752         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1753                 {
1754                 if (errorline > 0)
1755                         {
1756                         BIO_printf(bio_err,
1757                                 "error on line %ld of db attribute file '%s'\n"
1758                                 ,errorline,buf[0]);
1759                         goto err;
1760                         }
1761                 else
1762                         {
1763                         NCONF_free(dbattr_conf);
1764                         dbattr_conf = NULL;
1765                         }
1766                 }
1767
1768         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1769                 {
1770                 fprintf(stderr, "Out of memory\n");
1771                 goto err;
1772                 }
1773
1774         retdb->db = tmpdb;
1775         tmpdb = NULL;
1776         if (db_attr)
1777                 retdb->attributes = *db_attr;
1778         else
1779                 {
1780                 retdb->attributes.unique_subject = 1;
1781                 }
1782
1783         if (dbattr_conf)
1784                 {
1785                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1786                 if (p)
1787                         {
1788 #ifdef RL_DEBUG
1789                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1790 #endif
1791                         retdb->attributes.unique_subject = parse_yesno(p,1);
1792                         }
1793                 }
1794
1795  err:
1796         if (dbattr_conf) NCONF_free(dbattr_conf);
1797         if (tmpdb) TXT_DB_free(tmpdb);
1798         if (in) BIO_free_all(in);
1799         return retdb;
1800         }
1801
1802 int index_index(CA_DB *db)
1803         {
1804         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1805                                 LHASH_HASH_FN(index_serial_hash),
1806                                 LHASH_COMP_FN(index_serial_cmp)))
1807                 {
1808                 BIO_printf(bio_err,
1809                   "error creating serial number index:(%ld,%ld,%ld)\n",
1810                                         db->db->error,db->db->arg1,db->db->arg2);
1811                         return 0;
1812                 }
1813
1814         if (db->attributes.unique_subject
1815                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1816                         LHASH_HASH_FN(index_name_hash),
1817                         LHASH_COMP_FN(index_name_cmp)))
1818                 {
1819                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1820                         db->db->error,db->db->arg1,db->db->arg2);
1821                 return 0;
1822                 }
1823         return 1;
1824         }
1825
1826 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1827         {
1828         char buf[3][BSIZE];
1829         BIO *out = BIO_new(BIO_s_file());
1830         int j;
1831
1832         if (out == NULL)
1833                 {
1834                 ERR_print_errors(bio_err);
1835                 goto err;
1836                 }
1837
1838         j = strlen(dbfile) + strlen(suffix);
1839         if (j + 6 >= BSIZE)
1840                 {
1841                 BIO_printf(bio_err,"file name too long\n");
1842                 goto err;
1843                 }
1844
1845 #ifndef OPENSSL_SYS_VMS
1846         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1847 #else
1848         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1849 #endif
1850 #ifndef OPENSSL_SYS_VMS
1851         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1852 #else
1853         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1854 #endif
1855 #ifndef OPENSSL_SYS_VMS
1856         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1857 #else
1858         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1859 #endif
1860 #ifdef RL_DEBUG
1861         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1862 #endif
1863         if (BIO_write_filename(out,buf[0]) <= 0)
1864                 {
1865                 perror(dbfile);
1866                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1867                 goto err;
1868                 }
1869         j=TXT_DB_write(out,db->db);
1870         if (j <= 0) goto err;
1871
1872         BIO_free(out);
1873
1874         out = BIO_new(BIO_s_file());
1875 #ifdef RL_DEBUG
1876         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1877 #endif
1878         if (BIO_write_filename(out,buf[1]) <= 0)
1879                 {
1880                 perror(buf[2]);
1881                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1882                 goto err;
1883                 }
1884         BIO_printf(out,"unique_subject = %s\n",
1885                 db->attributes.unique_subject ? "yes" : "no");
1886         BIO_free(out);
1887
1888         return 1;
1889  err:
1890         return 0;
1891         }
1892
1893 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1894         {
1895         char buf[5][BSIZE];
1896         int i,j;
1897
1898         i = strlen(dbfile) + strlen(old_suffix);
1899         j = strlen(dbfile) + strlen(new_suffix);
1900         if (i > j) j = i;
1901         if (j + 6 >= BSIZE)
1902                 {
1903                 BIO_printf(bio_err,"file name too long\n");
1904                 goto err;
1905                 }
1906
1907 #ifndef OPENSSL_SYS_VMS
1908         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1909 #else
1910         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1911 #endif
1912 #ifndef OPENSSL_SYS_VMS
1913         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1914                 dbfile, new_suffix);
1915 #else
1916         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1917                 dbfile, new_suffix);
1918 #endif
1919 #ifndef OPENSSL_SYS_VMS
1920         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1921                 dbfile, new_suffix);
1922 #else
1923         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1924                 dbfile, new_suffix);
1925 #endif
1926 #ifndef OPENSSL_SYS_VMS
1927         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1928                 dbfile, old_suffix);
1929 #else
1930         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1931                 dbfile, old_suffix);
1932 #endif
1933 #ifndef OPENSSL_SYS_VMS
1934         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1935                 dbfile, old_suffix);
1936 #else
1937         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1938                 dbfile, old_suffix);
1939 #endif
1940 #ifdef RL_DEBUG
1941         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1942                 dbfile, buf[1]);
1943 #endif
1944         if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
1945 #ifdef ENOTDIR
1946                 && errno != ENOTDIR
1947 #endif
1948            )            {
1949                         BIO_printf(bio_err,
1950                                 "unable to rename %s to %s\n",
1951                                 dbfile, buf[1]);
1952                         perror("reason");
1953                         goto err;
1954                         }
1955 #ifdef RL_DEBUG
1956         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1957                 buf[0],dbfile);
1958 #endif
1959         if (rename(buf[0],dbfile) < 0)
1960                 {
1961                 BIO_printf(bio_err,
1962                         "unable to rename %s to %s\n",
1963                         buf[0],dbfile);
1964                 perror("reason");
1965                 rename(buf[1],dbfile);
1966                 goto err;
1967                 }
1968 #ifdef RL_DEBUG
1969         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1970                 buf[4],buf[3]);
1971 #endif
1972         if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
1973 #ifdef ENOTDIR
1974                 && errno != ENOTDIR
1975 #endif
1976            )            {
1977                         BIO_printf(bio_err,
1978                                 "unable to rename %s to %s\n",
1979                                 buf[4], buf[3]);
1980                         perror("reason");
1981                         rename(dbfile,buf[0]);
1982                         rename(buf[1],dbfile);
1983                         goto err;
1984                         }
1985 #ifdef RL_DEBUG
1986         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1987                 buf[2],buf[4]);
1988 #endif
1989         if (rename(buf[2],buf[4]) < 0)
1990                 {
1991                 BIO_printf(bio_err,
1992                         "unable to rename %s to %s\n",
1993                         buf[2],buf[4]);
1994                 perror("reason");
1995                 rename(buf[3],buf[4]);
1996                 rename(dbfile,buf[0]);
1997                 rename(buf[1],dbfile);
1998                 goto err;
1999                 }
2000         return 1;
2001  err:
2002         return 0;
2003         }
2004
2005 void free_index(CA_DB *db)
2006         {
2007         if (db)
2008                 {
2009                 if (db->db) TXT_DB_free(db->db);
2010                 OPENSSL_free(db);
2011                 }
2012         }
2013
2014 int parse_yesno(const char *str, int def)
2015         {
2016         int ret = def;
2017         if (str)
2018                 {
2019                 switch (*str)
2020                         {
2021                 case 'f': /* false */
2022                 case 'F': /* FALSE */
2023                 case 'n': /* no */
2024                 case 'N': /* NO */
2025                 case '0': /* 0 */
2026                         ret = 0;
2027                         break;
2028                 case 't': /* true */
2029                 case 'T': /* TRUE */
2030                 case 'y': /* yes */
2031                 case 'Y': /* YES */
2032                 case '1': /* 1 */
2033                         ret = 0;
2034                         break;
2035                 default:
2036                         ret = def;
2037                         break;
2038                         }
2039                 }
2040         return ret;
2041         }
2042
2043 /*
2044  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2045  * where characters may be escaped by \
2046  */
2047 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2048         {
2049         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2050         char *buf = OPENSSL_malloc(buflen);
2051         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2052         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2053         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2054         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2055
2056         char *sp = subject, *bp = buf;
2057         int i, ne_num = 0;
2058
2059         X509_NAME *n = NULL;
2060         int nid;
2061
2062         if (!buf || !ne_types || !ne_values)
2063                 {
2064                 BIO_printf(bio_err, "malloc error\n");
2065                 goto error;
2066                 }
2067
2068         if (*subject != '/')
2069                 {
2070                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2071                 goto error;
2072                 }
2073         sp++; /* skip leading / */
2074
2075         /* no multivalued RDN by default */
2076         mval[ne_num] = 0;
2077
2078         while (*sp)
2079                 {
2080                 /* collect type */
2081                 ne_types[ne_num] = bp;
2082                 while (*sp)
2083                         {
2084                         if (*sp == '\\') /* is there anything to escape in the type...? */
2085                                 {
2086                                 if (*++sp)
2087                                         *bp++ = *sp++;
2088                                 else
2089                                         {
2090                                         BIO_printf(bio_err, "escape character at end of string\n");
2091                                         goto error;
2092                                         }
2093                                 }
2094                         else if (*sp == '=')
2095                                 {
2096                                 sp++;
2097                                 *bp++ = '\0';
2098                                 break;
2099                                 }
2100                         else
2101                                 *bp++ = *sp++;
2102                         }
2103                 if (!*sp)
2104                         {
2105                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2106                         goto error;
2107                         }
2108                 ne_values[ne_num] = bp;
2109                 while (*sp)
2110                         {
2111                         if (*sp == '\\')
2112                                 {
2113                                 if (*++sp)
2114                                         *bp++ = *sp++;
2115                                 else
2116                                         {
2117                                         BIO_printf(bio_err, "escape character at end of string\n");
2118                                         goto error;
2119                                         }
2120                                 }
2121                         else if (*sp == '/')
2122                                 {
2123                                 sp++;
2124                                 /* no multivalued RDN by default */
2125                                 mval[ne_num+1] = 0;
2126                                 break;
2127                                 }
2128                         else if (*sp == '+' && multirdn)
2129                                 {
2130                                 /* a not escaped + signals a mutlivalued RDN */
2131                                 sp++;
2132                                 mval[ne_num+1] = -1;
2133                                 break;
2134                                 }
2135                         else
2136                                 *bp++ = *sp++;
2137                         }
2138                 *bp++ = '\0';
2139                 ne_num++;
2140                 }
2141
2142         if (!(n = X509_NAME_new()))
2143                 goto error;
2144
2145         for (i = 0; i < ne_num; i++)
2146                 {
2147                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2148                         {
2149                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2150                         continue;
2151                         }
2152
2153                 if (!*ne_values[i])
2154                         {
2155                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2156                         continue;
2157                         }
2158
2159                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2160                         goto error;
2161                 }
2162
2163         OPENSSL_free(ne_values);
2164         OPENSSL_free(ne_types);
2165         OPENSSL_free(buf);
2166         return n;
2167
2168 error:
2169         X509_NAME_free(n);
2170         if (ne_values)
2171                 OPENSSL_free(ne_values);
2172         if (ne_types)
2173                 OPENSSL_free(ne_types);
2174         if (buf)
2175                 OPENSSL_free(buf);
2176         return NULL;
2177 }
2178
2179 int args_verify(char ***pargs, int *pargc,
2180                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2181         {
2182         ASN1_OBJECT *otmp = NULL;
2183         unsigned long flags = 0;
2184         int i;
2185         int purpose = 0;
2186         char **oldargs = *pargs;
2187         char *arg = **pargs, *argn = (*pargs)[1];
2188         if (!strcmp(arg, "-policy"))
2189                 {
2190                 if (!argn)
2191                         *badarg = 1;
2192                 else
2193                         {
2194                         otmp = OBJ_txt2obj(argn, 0);
2195                         if (!otmp)
2196                                 {
2197                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2198                                                                         argn);
2199                                 *badarg = 1;
2200                                 }
2201                         }
2202                 (*pargs)++;
2203                 }
2204         else if (strcmp(arg,"-purpose") == 0)
2205                 {
2206                 X509_PURPOSE *xptmp;
2207                 if (!argn)
2208                         *badarg = 1;
2209                 else
2210                         {
2211                         i = X509_PURPOSE_get_by_sname(argn);
2212                         if(i < 0)
2213                                 {
2214                                 BIO_printf(err, "unrecognized purpose\n");
2215                                 *badarg = 1;
2216                                 }
2217                         else
2218                                 {
2219                                 xptmp = X509_PURPOSE_get0(i);
2220                                 purpose = X509_PURPOSE_get_id(xptmp);
2221                                 }
2222                         }
2223                 (*pargs)++;
2224                 }
2225         else if (!strcmp(arg, "-ignore_critical"))
2226                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2227         else if (!strcmp(arg, "-issuer_checks"))
2228                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2229         else if (!strcmp(arg, "-crl_check"))
2230                 flags |=  X509_V_FLAG_CRL_CHECK;
2231         else if (!strcmp(arg, "-crl_check_all"))
2232                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2233         else if (!strcmp(arg, "-policy_check"))
2234                 flags |= X509_V_FLAG_POLICY_CHECK;
2235         else if (!strcmp(arg, "-explicit_policy"))
2236                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2237         else if (!strcmp(arg, "-x509_strict"))
2238                 flags |= X509_V_FLAG_X509_STRICT;
2239         else if (!strcmp(arg, "-policy_print"))
2240                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2241         else
2242                 return 0;
2243
2244         if (*badarg)
2245                 {
2246                 if (*pm)
2247                         X509_VERIFY_PARAM_free(*pm);
2248                 *pm = NULL;
2249                 goto end;
2250                 }
2251
2252         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2253                 {
2254                 *badarg = 1;
2255                 goto end;
2256                 }
2257
2258         if (otmp)
2259                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2260         if (flags)
2261                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2262
2263         if (purpose)
2264                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2265
2266         end:
2267
2268         (*pargs)++;
2269
2270         if (pargc)
2271                 *pargc -= *pargs - oldargs;
2272
2273         return 1;
2274
2275         }
2276
2277 /* Read whole contents of a BIO into an allocated memory buffer and
2278  * return it.
2279  */
2280
2281 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2282         {
2283         BIO *mem;
2284         int len, ret;
2285         unsigned char tbuf[1024];
2286         mem = BIO_new(BIO_s_mem());
2287         if (!mem)
2288                 return -1;
2289         for(;;)
2290                 {
2291                 if ((maxlen != -1) && maxlen < 1024)
2292                         len = maxlen;
2293                 else
2294                         len = 1024;
2295                 len = BIO_read(in, tbuf, len);
2296                 if (len <= 0)
2297                         break;
2298                 if (BIO_write(mem, tbuf, len) != len)
2299                         {
2300                         BIO_free(mem);
2301                         return -1;
2302                         }
2303                 maxlen -= len;
2304
2305                 if (maxlen == 0)
2306                         break;
2307                 }
2308         ret = BIO_get_mem_data(mem, (char **)out);
2309         BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2310         BIO_free(mem);
2311         return ret;
2312         }
2313
2314 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2315         {
2316         int rv;
2317         char *stmp, *vtmp = NULL;
2318         stmp = BUF_strdup(value);
2319         if (!stmp)
2320                 return -1;
2321         vtmp = strchr(stmp, ':');
2322         if (vtmp)
2323                 {
2324                 *vtmp = 0;
2325                 vtmp++;
2326                 }
2327         rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2328         OPENSSL_free(stmp);
2329         return rv;
2330         }
2331
2332 static void nodes_print(BIO *out, const char *name,
2333         STACK_OF(X509_POLICY_NODE) *nodes)
2334         {
2335         X509_POLICY_NODE *node;
2336         int i;
2337         BIO_printf(out, "%s Policies:", name);
2338         if (nodes)
2339                 {
2340                 BIO_puts(out, "\n");
2341                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2342                         {
2343                         node = sk_X509_POLICY_NODE_value(nodes, i);
2344                         X509_POLICY_NODE_print(out, node, 2);
2345                         }
2346                 }
2347         else
2348                 BIO_puts(out, " <empty>\n");
2349         }
2350
2351 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2352         {
2353         X509_POLICY_TREE *tree;
2354         int explicit_policy;
2355         int free_out = 0;
2356         if (out == NULL)
2357                 {
2358                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2359                 free_out = 1;
2360                 }
2361         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2362         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2363
2364         BIO_printf(out, "Require explicit Policy: %s\n",
2365                                 explicit_policy ? "True" : "False");
2366
2367         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2368         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2369         if (free_out)
2370                 BIO_free(out);
2371         }
2372
2373 /*
2374  * Platform-specific sections
2375  */
2376 #if defined(_WIN32)
2377 # ifdef fileno
2378 #  undef fileno
2379 #  define fileno(a) (int)_fileno(a)
2380 # endif
2381
2382 # include <windows.h>
2383 # include <tchar.h>
2384
2385 static int WIN32_rename(const char *from, const char *to)
2386         {
2387         TCHAR  *tfrom=NULL,*tto;
2388         DWORD   err;
2389         int     ret=0;
2390
2391         if (sizeof(TCHAR) == 1)
2392                 {
2393                 tfrom = (TCHAR *)from;
2394                 tto   = (TCHAR *)to;
2395                 }
2396         else    /* UNICODE path */
2397                 {
2398                 size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
2399                 tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
2400                 if (tfrom==NULL) goto err;
2401                 tto=tfrom+flen;
2402 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2403                 if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
2404 #endif
2405                         for (i=0;i<flen;i++)    tfrom[i]=(TCHAR)from[i];
2406 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2407                 if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
2408 #endif
2409                         for (i=0;i<tlen;i++)    tto[i]  =(TCHAR)to[i];
2410                 }
2411
2412         if (MoveFile(tfrom,tto))        goto ok;
2413         err=GetLastError();
2414         if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
2415                 {
2416                 if (DeleteFile(tto) && MoveFile(tfrom,tto))
2417                         goto ok;
2418                 err=GetLastError();
2419                 }
2420         if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
2421                 errno = ENOENT;
2422         else if (err==ERROR_ACCESS_DENIED)
2423                 errno = EACCES;
2424         else
2425                 errno = EINVAL; /* we could map more codes... */
2426 err:
2427         ret=-1;
2428 ok:
2429         if (tfrom!=NULL && tfrom!=(TCHAR *)from)        free(tfrom);
2430         return ret;
2431         }
2432 #endif
2433
2434 /* app_tminterval section */
2435 #if defined(_WIN32)
2436 double app_tminterval(int stop,int usertime)
2437         {
2438         FILETIME                now;
2439         double                  ret=0;
2440         static ULARGE_INTEGER   tmstart;
2441         static int              warning=1;
2442 #ifdef _WIN32_WINNT
2443         static HANDLE           proc=NULL;
2444
2445         if (proc==NULL)
2446                 {
2447                 if (GetVersion() < 0x80000000)
2448                         proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
2449                                                 GetCurrentProcessId());
2450                 if (proc==NULL) proc = (HANDLE)-1;
2451                 }
2452
2453         if (usertime && proc!=(HANDLE)-1)
2454                 {
2455                 FILETIME junk;
2456                 GetProcessTimes(proc,&junk,&junk,&junk,&now);
2457                 }
2458         else
2459 #endif
2460                 {
2461                 SYSTEMTIME systime;
2462
2463                 if (usertime && warning)
2464                         {
2465                         BIO_printf(bio_err,"To get meaningful results, run "
2466                                            "this program on idle system.\n");
2467                         warning=0;
2468                         }
2469                 GetSystemTime(&systime);
2470                 SystemTimeToFileTime(&systime,&now);
2471                 }
2472
2473         if (stop==TM_START)
2474                 {
2475                 tmstart.u.LowPart  = now.dwLowDateTime;
2476                 tmstart.u.HighPart = now.dwHighDateTime;
2477                 }
2478         else    {
2479                 ULARGE_INTEGER tmstop;
2480
2481                 tmstop.u.LowPart   = now.dwLowDateTime;
2482                 tmstop.u.HighPart  = now.dwHighDateTime;
2483
2484                 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
2485                 }
2486
2487         return (ret);
2488         }
2489
2490 #elif defined(OPENSSL_SYS_NETWARE)
2491 #include <time.h>
2492
2493 double app_tminterval(int stop,int usertime)
2494         {
2495         double          ret=0;
2496         static clock_t  tmstart;
2497         static int      warning=1;
2498
2499         if (usertime && warning)
2500                 {
2501                 BIO_printf(bio_err,"To get meaningful results, run "
2502                                    "this program on idle system.\n");
2503                 warning=0;
2504                 }
2505
2506         if (stop==TM_START)     tmstart = clock();
2507         else                    ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
2508
2509         return (ret);
2510         }
2511
2512 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2513 #include <time.h>
2514
2515 double app_tminterval(int stop,int usertime)
2516         {
2517         double ret=0;
2518 #ifdef CLOCK_REALTIME
2519         static struct timespec  tmstart;
2520         struct timespec         now;
2521 #else
2522         static unsigned long    tmstart;
2523         unsigned long           now;
2524 #endif
2525         static int warning=1;
2526
2527         if (usertime && warning)
2528                 {
2529                 BIO_printf(bio_err,"To get meaningful results, run "
2530                                    "this program on idle system.\n");
2531                 warning=0;
2532                 }
2533
2534 #ifdef CLOCK_REALTIME
2535         clock_gettime(CLOCK_REALTIME,&now);
2536         if (stop==TM_START)     tmstart = now;
2537         else    ret = ( (now.tv_sec+now.tv_nsec*1e-9)
2538                         - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
2539 #else
2540         now = tickGet();
2541         if (stop==TM_START)     tmstart = now;
2542         else                    ret = (now - tmstart)/(double)sysClkRateGet();
2543 #endif
2544         return (ret);
2545         }
2546
2547 #elif defined(OPENSSL_SYSTEM_VMS)
2548 #include <time.h>
2549 #include <times.h>
2550
2551 double app_tminterval(int stop,int usertime)
2552         {
2553         static clock_t  tmstart;
2554         double          ret = 0;
2555         clock_t         now;
2556 #ifdef __TMS
2557         struct tms      rus;
2558
2559         now = times(&rus);
2560         if (usertime)   now = rus.tms_utime;
2561 #else
2562         if (usertime)
2563                 now = clock(); /* sum of user and kernel times */
2564         else    {
2565                 struct timeval tv;
2566                 gettimeofday(&tv,NULL);
2567                 now = (clock_t)(
2568                         (unsigned long long)tv.tv_sec*CLK_TCK +
2569                         (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
2570                         );
2571                 }
2572 #endif
2573         if (stop==TM_START)     tmstart = now;
2574         else                    ret = (now - tmstart)/(double)(CLK_TCK);
2575
2576         return (ret);
2577         }
2578
2579 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
2580 #include <sys/times.h>
2581
2582 double app_tminterval(int stop,int usertime)
2583         {
2584         double          ret = 0;
2585         struct tms      rus;
2586         clock_t         now = times(&rus);
2587         static clock_t  tmstart;
2588
2589         if (usertime)           now = rus.tms_utime;
2590
2591         if (stop==TM_START)     tmstart = now;
2592         else
2593                 {
2594                 long int tck = sysconf(_SC_CLK_TCK);
2595                 ret = (now - tmstart)/(double)tck;
2596                 }
2597
2598         return (ret);
2599         }
2600
2601 #else
2602 #include <sys/time.h>
2603 #include <sys/resource.h>
2604
2605 double app_tminterval(int stop,int usertime)
2606         {
2607         double          ret = 0;
2608         struct rusage   rus;
2609         struct timeval  now;
2610         static struct timeval tmstart;
2611
2612         if (usertime)           getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
2613         else                    gettimeofday(&now,NULL);
2614
2615         if (stop==TM_START)     tmstart = now;
2616         else                    ret = ( (now.tv_sec+now.tv_usec*1e-6)
2617                                         - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
2618
2619         return ret;
2620         }
2621 #endif
2622
2623 /* app_isdir section */
2624 #ifdef _WIN32
2625 int app_isdir(const char *name)
2626         {
2627         HANDLE          hList;
2628         WIN32_FIND_DATA FileData;
2629 #if defined(UNICODE) || defined(_UNICODE)
2630         size_t i, len_0 = strlen(name)+1;
2631
2632         if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
2633                 return -1;
2634
2635 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2636         if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
2637 #endif
2638                 for (i=0;i<len_0;i++)
2639                         FileData.cFileName[i] = (WCHAR)name[i];
2640
2641         hList = FindFirstFile(FileData.cFileName,&FileData);
2642 #else
2643         hList = FindFirstFile(name,&FileData);
2644 #endif
2645         if (hList == INVALID_HANDLE_VALUE)      return -1;
2646         FindClose(hList);
2647         return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
2648         }
2649 #else
2650 #include <sys/stat.h>
2651 #ifndef S_ISDIR
2652 # if defined(_S_IFMT) && defined(_S_IFDIR)
2653 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
2654 # else
2655 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
2656 # endif
2657 #endif
2658
2659 int app_isdir(const char *name)
2660         {
2661 #if defined(S_ISDIR)
2662         struct stat st;
2663
2664         if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
2665         else                    return -1;
2666 #else
2667         return -1;
2668 #endif
2669         }
2670 #endif
2671
2672 /* raw_read|write section */
2673 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2674 int raw_read_stdin(void *buf,int siz)
2675         {
2676         DWORD n;
2677         if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
2678                 return (n);
2679         else    return (-1);
2680         }
2681 #else
2682 int raw_read_stdin(void *buf,int siz)
2683         {       return read(fileno(stdin),buf,siz);     }
2684 #endif
2685
2686 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2687 int raw_write_stdout(const void *buf,int siz)
2688         {
2689         DWORD n;
2690         if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
2691                 return (n);
2692         else    return (-1);
2693         }
2694 #else
2695 int raw_write_stdout(const void *buf,int siz)
2696         {       return write(fileno(stdout),buf,siz);   }
2697 #endif