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 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
 113 #define _POSIX_C_SOURCE 2       /* On VMS, you need to define this to get
 114                                    the declaration of fileno().  The value
 115                                    2 is to make sure no function defined
 116                                    in POSIX-2 is left undefined. */
 117 #endif
 118 #include <stdio.h>
 119 #include <stdlib.h>
 120 #include <string.h>
 121 #if !defined(OPENSSL_SYSNAME_WIN32) && !defined(OPENSSL_SYSNAME_WINCE) && !defined(NETWARE_CLIB)
 122 #include <strings.h>
 123 #endif
 124 #include <sys/types.h>
 125 #include <ctype.h>
 126 #include <errno.h>
 127 #include <assert.h>
 128 #include <openssl/err.h>
 129 #include <openssl/x509.h>
 130 #include <openssl/x509v3.h>
 131 #include <openssl/pem.h>
 132 #include <openssl/pkcs12.h>
 133 #include <openssl/ui.h>
 134 #include <openssl/safestack.h>
 135 #ifndef OPENSSL_NO_ENGINE
 136 #include <openssl/engine.h>
 137 #endif
 138 #ifndef OPENSSL_NO_RSA
 139 #include <openssl/rsa.h>
 140 #endif
 141 #include <openssl/bn.h>
 142 #ifndef OPENSSL_NO_JPAKE
 143 #include <openssl/jpake.h>
 144 #endif
 145
 146 #define NON_MAIN
 147 #include "apps.h"
 148 #undef NON_MAIN
 149
 150 #ifdef _WIN32
 151 static int WIN32_rename(const char *from, const char *to);
 152 #define rename(from,to) WIN32_rename((from),(to))
 153 #endif
 154
 155 typedef struct {
 156         const char *name;
 157         unsigned long flag;
 158         unsigned long mask;
 159 } NAME_EX_TBL;
 160
 161 static UI_METHOD *ui_method = NULL;
 162
 163 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 164 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 165
 166 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 167 /* Looks like this stuff is worth moving into separate function */
 168 static EVP_PKEY *
 169 load_netscape_key(BIO *err, BIO *key, const char *file,
 170                 const char *key_descrip, int format);
 171 #endif
 172
 173 int app_init(long mesgwin);
 174 #ifdef undef /* never finished - probably never will be :-) */
 175 int args_from_file(char *file, int *argc, char **argv[])
 176         {
 177         FILE *fp;
 178         int num,i;
 179         unsigned int len;
 180         static char *buf=NULL;
 181         static char **arg=NULL;
 182         char *p;
 183
 184         fp=fopen(file,"r");
 185         if (fp == NULL)
 186                 return(0);
 187
 188         if (fseek(fp,0,SEEK_END)==0)
 189                 len=ftell(fp), rewind(fp);
 190         else    len=-1;
 191         if (len<=0)
 192                 {
 193                 fclose(fp);
 194                 return(0);
 195                 }
 196
 197         *argc=0;
 198         *argv=NULL;
 199
 200         if (buf != NULL) OPENSSL_free(buf);
 201         buf=(char *)OPENSSL_malloc(len+1);
 202         if (buf == NULL) return(0);
 203
 204         len=fread(buf,1,len,fp);
 205         if (len <= 1) return(0);
 206         buf[len]='\0';
 207
 208         i=0;
 209         for (p=buf; *p; p++)
 210                 if (*p == '\n') i++;
 211         if (arg != NULL) OPENSSL_free(arg);
 212         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 213
 214         *argv=arg;
 215         num=0;
 216         p=buf;
 217         for (;;)
 218                 {
 219                 if (!*p) break;
 220                 if (*p == '#') /* comment line */
 221                         {
 222                         while (*p && (*p != '\n')) p++;
 223                         continue;
 224                         }
 225                 /* else we have a line */
 226                 *(arg++)=p;
 227                 num++;
 228                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 229                         p++;
 230                 if (!*p) break;
 231                 if (*p == '\n')
 232                         {
 233                         *(p++)='\0';
 234                         continue;
 235                         }
 236                 /* else it is a tab or space */
 237                 p++;
 238                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 239                         p++;
 240                 if (!*p) break;
 241                 if (*p == '\n')
 242                         {
 243                         p++;
 244                         continue;
 245                         }
 246                 *(arg++)=p++;
 247                 num++;
 248                 while (*p && (*p != '\n')) p++;
 249                 if (!*p) break;
 250                 /* else *p == '\n' */
 251                 *(p++)='\0';
 252                 }
 253         *argc=num;
 254         return(1);
 255         }
 256 #endif
 257
 258 int str2fmt(char *s)
 259         {
 260         if (s == NULL)
 261                 return FORMAT_UNDEF;
 262         if      ((*s == 'D') || (*s == 'd'))
 263                 return(FORMAT_ASN1);
 264         else if ((*s == 'T') || (*s == 't'))
 265                 return(FORMAT_TEXT);
 266         else if ((*s == 'N') || (*s == 'n'))
 267                 return(FORMAT_NETSCAPE);
 268         else if ((*s == 'S') || (*s == 's'))
 269                 return(FORMAT_SMIME);
 270         else if ((*s == 'M') || (*s == 'm'))
 271                 return(FORMAT_MSBLOB);
 272         else if ((*s == '1')
 273                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 274                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 275                 return(FORMAT_PKCS12);
 276         else if ((*s == 'E') || (*s == 'e'))
 277                 return(FORMAT_ENGINE);
 278         else if ((*s == 'H') || (*s == 'h'))
 279                 return FORMAT_HTTP;
 280         else if ((*s == 'P') || (*s == 'p'))
 281                 {
 282                 if (s[1] == 'V' || s[1] == 'v')
 283                         return FORMAT_PVK;
 284                 else
 285                         return(FORMAT_PEM);
 286                 }
 287         else
 288                 return(FORMAT_UNDEF);
 289         }
 290
 291 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 292 void program_name(char *in, char *out, int size)
 293         {
 294         int i,n;
 295         char *p=NULL;
 296
 297         n=strlen(in);
 298         /* find the last '/', '\' or ':' */
 299         for (i=n-1; i>0; i--)
 300                 {
 301                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 302                         {
 303                         p= &(in[i+1]);
 304                         break;
 305                         }
 306                 }
 307         if (p == NULL)
 308                 p=in;
 309         n=strlen(p);
 310
 311 #if defined(OPENSSL_SYS_NETWARE)
 312    /* strip off trailing .nlm if present. */
 313    if ((n > 4) && (p[n-4] == '.') &&
 314       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 315       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 316       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 317       n-=4;
 318 #else
 319         /* strip off trailing .exe if present. */
 320         if ((n > 4) && (p[n-4] == '.') &&
 321                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 322                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 323                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 324                 n-=4;
 325 #endif
 326
 327         if (n > size-1)
 328                 n=size-1;
 329
 330         for (i=0; i<n; i++)
 331                 {
 332                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 333                         out[i]=p[i]-'A'+'a';
 334                 else
 335                         out[i]=p[i];
 336                 }
 337         out[n]='\0';
 338         }
 339 #else
 340 #ifdef OPENSSL_SYS_VMS
 341 void program_name(char *in, char *out, int size)
 342         {
 343         char *p=in, *q;
 344         char *chars=":]>";
 345
 346         while(*chars != '\0')
 347                 {
 348                 q=strrchr(p,*chars);
 349                 if (q > p)
 350                         p = q + 1;
 351                 chars++;
 352                 }
 353
 354         q=strrchr(p,'.');
 355         if (q == NULL)
 356                 q = p + strlen(p);
 357         strncpy(out,p,size-1);
 358         if (q-p >= size)
 359                 {
 360                 out[size-1]='\0';
 361                 }
 362         else
 363                 {
 364                 out[q-p]='\0';
 365                 }
 366         }
 367 #else
 368 void program_name(char *in, char *out, int size)
 369         {
 370         char *p;
 371
 372         p=strrchr(in,'/');
 373         if (p != NULL)
 374                 p++;
 375         else
 376                 p=in;
 377         BUF_strlcpy(out,p,size);
 378         }
 379 #endif
 380 #endif
 381
 382 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 383         {
 384         int num,i;
 385         char *p;
 386
 387         *argc=0;
 388         *argv=NULL;
 389
 390         i=0;
 391         if (arg->count == 0)
 392                 {
 393                 arg->count=20;
 394                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 395                 if (arg->data == NULL)
 396                         return 0;
 397                 }
 398         for (i=0; i<arg->count; i++)
 399                 arg->data[i]=NULL;
 400
 401         num=0;
 402         p=buf;
 403         for (;;)
 404                 {
 405                 /* first scan over white space */
 406                 if (!*p) break;
 407                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 408                         p++;
 409                 if (!*p) break;
 410
 411                 /* The start of something good :-) */
 412                 if (num >= arg->count)
 413                         {
 414                         char **tmp_p;
 415                         int tlen = arg->count + 20;
 416                         tmp_p = (char **)OPENSSL_realloc(arg->data,
 417                                 sizeof(char *)*tlen);
 418                         if (tmp_p == NULL)
 419                                 return 0;
 420                         arg->data  = tmp_p;
 421                         arg->count = tlen;
 422                         /* initialize newly allocated data */
 423                         for (i = num; i < arg->count; i++)
 424                                 arg->data[i] = NULL;
 425                         }
 426                 arg->data[num++]=p;
 427
 428                 /* now look for the end of this */
 429                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 430                         {
 431                         i= *(p++);
 432                         arg->data[num-1]++; /* jump over quote */
 433                         while (*p && (*p != i))
 434                                 p++;
 435                         *p='\0';
 436                         }
 437                 else
 438                         {
 439                         while (*p && ((*p != ' ') &&
 440                                 (*p != '\t') && (*p != '\n')))
 441                                 p++;
 442
 443                         if (*p == '\0')
 444                                 p--;
 445                         else
 446                                 *p='\0';
 447                         }
 448                 p++;
 449                 }
 450         *argc=num;
 451         *argv=arg->data;
 452         return(1);
 453         }
 454
 455 #ifndef APP_INIT
 456 int app_init(long mesgwin)
 457         {
 458         return(1);
 459         }
 460 #endif
 461
 462
 463 int dump_cert_text (BIO *out, X509 *x)
 464 {
 465         char *p;
 466
 467         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 468         BIO_puts(out,"subject=");
 469         BIO_puts(out,p);
 470         OPENSSL_free(p);
 471
 472         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 473         BIO_puts(out,"\nissuer=");
 474         BIO_puts(out,p);
 475         BIO_puts(out,"\n");
 476         OPENSSL_free(p);
 477
 478         return 0;
 479 }
 480
 481 static int ui_open(UI *ui)
 482         {
 483         return UI_method_get_opener(UI_OpenSSL())(ui);
 484         }
 485 static int ui_read(UI *ui, UI_STRING *uis)
 486         {
 487         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 488                 && UI_get0_user_data(ui))
 489                 {
 490                 switch(UI_get_string_type(uis))
 491                         {
 492                 case UIT_PROMPT:
 493                 case UIT_VERIFY:
 494                         {
 495                         const char *password =
 496                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 497                         if (password && password[0] != '\0')
 498                                 {
 499                                 UI_set_result(ui, uis, password);
 500                                 return 1;
 501                                 }
 502                         }
 503                 default:
 504                         break;
 505                         }
 506                 }
 507         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 508         }
 509 static int ui_write(UI *ui, UI_STRING *uis)
 510         {
 511         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 512                 && UI_get0_user_data(ui))
 513                 {
 514                 switch(UI_get_string_type(uis))
 515                         {
 516                 case UIT_PROMPT:
 517                 case UIT_VERIFY:
 518                         {
 519                         const char *password =
 520                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 521                         if (password && password[0] != '\0')
 522                                 return 1;
 523                         }
 524                 default:
 525                         break;
 526                         }
 527                 }
 528         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 529         }
 530 static int ui_close(UI *ui)
 531         {
 532         return UI_method_get_closer(UI_OpenSSL())(ui);
 533         }
 534 int setup_ui_method(void)
 535         {
 536         ui_method = UI_create_method("OpenSSL application user interface");
 537         UI_method_set_opener(ui_method, ui_open);
 538         UI_method_set_reader(ui_method, ui_read);
 539         UI_method_set_writer(ui_method, ui_write);
 540         UI_method_set_closer(ui_method, ui_close);
 541         return 0;
 542         }
 543 void destroy_ui_method(void)
 544         {
 545         if(ui_method)
 546                 {
 547                 UI_destroy_method(ui_method);
 548                 ui_method = NULL;
 549                 }
 550         }
 551 int password_callback(char *buf, int bufsiz, int verify,
 552         PW_CB_DATA *cb_tmp)
 553         {
 554         UI *ui = NULL;
 555         int res = 0;
 556         const char *prompt_info = NULL;
 557         const char *password = NULL;
 558         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 559
 560         if (cb_data)
 561                 {
 562                 if (cb_data->password)
 563                         password = cb_data->password;
 564                 if (cb_data->prompt_info)
 565                         prompt_info = cb_data->prompt_info;
 566                 }
 567
 568         if (password)
 569                 {
 570                 res = strlen(password);
 571                 if (res > bufsiz)
 572                         res = bufsiz;
 573                 memcpy(buf, password, res);
 574                 return res;
 575                 }
 576
 577         ui = UI_new_method(ui_method);
 578         if (ui)
 579                 {
 580                 int ok = 0;
 581                 char *buff = NULL;
 582                 int ui_flags = 0;
 583                 char *prompt = NULL;
 584
 585                 prompt = UI_construct_prompt(ui, "pass phrase",
 586                         prompt_info);
 587
 588                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 589                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 590
 591                 if (ok >= 0)
 592                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 593                                 PW_MIN_LENGTH,bufsiz-1);
 594                 if (ok >= 0 && verify)
 595                         {
 596                         buff = (char *)OPENSSL_malloc(bufsiz);
 597                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 598                                 PW_MIN_LENGTH,bufsiz-1, buf);
 599                         }
 600                 if (ok >= 0)
 601                         do
 602                                 {
 603                                 ok = UI_process(ui);
 604                                 }
 605                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 606
 607                 if (buff)
 608                         {
 609                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 610                         OPENSSL_free(buff);
 611                         }
 612
 613                 if (ok >= 0)
 614                         res = strlen(buf);
 615                 if (ok == -1)
 616                         {
 617                         BIO_printf(bio_err, "User interface error\n");
 618                         ERR_print_errors(bio_err);
 619                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 620                         res = 0;
 621                         }
 622                 if (ok == -2)
 623                         {
 624                         BIO_printf(bio_err,"aborted!\n");
 625                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 626                         res = 0;
 627                         }
 628                 UI_free(ui);
 629                 OPENSSL_free(prompt);
 630                 }
 631         return res;
 632         }
 633
 634 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 635
 636 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 637 {
 638         int same;
 639         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 640         else same = 1;
 641         if(arg1) {
 642                 *pass1 = app_get_pass(err, arg1, same);
 643                 if(!*pass1) return 0;
 644         } else if(pass1) *pass1 = NULL;
 645         if(arg2) {
 646                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 647                 if(!*pass2) return 0;
 648         } else if(pass2) *pass2 = NULL;
 649         return 1;
 650 }
 651
 652 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 653 {
 654         char *tmp, tpass[APP_PASS_LEN];
 655         static BIO *pwdbio = NULL;
 656         int i;
 657         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 658         if(!strncmp(arg, "env:", 4)) {
 659                 tmp = getenv(arg + 4);
 660                 if(!tmp) {
 661                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 662                         return NULL;
 663                 }
 664                 return BUF_strdup(tmp);
 665         }
 666         if(!keepbio || !pwdbio) {
 667                 if(!strncmp(arg, "file:", 5)) {
 668                         pwdbio = BIO_new_file(arg + 5, "r");
 669                         if(!pwdbio) {
 670                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 671                                 return NULL;
 672                         }
 673 #if !defined(_WIN32)
 674                 /*
 675                  * Under _WIN32, which covers even Win64 and CE, file
 676                  * descriptors referenced by BIO_s_fd are not inherited
 677                  * by child process and therefore below is not an option.
 678                  * It could have been an option if bss_fd.c was operating
 679                  * on real Windows descriptors, such as those obtained
 680                  * with CreateFile.
 681                  */
 682                 } else if(!strncmp(arg, "fd:", 3)) {
 683                         BIO *btmp;
 684                         i = atoi(arg + 3);
 685                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 686                         if((i < 0) || !pwdbio) {
 687                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 688                                 return NULL;
 689                         }
 690                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 691                         btmp = BIO_new(BIO_f_buffer());
 692                         pwdbio = BIO_push(btmp, pwdbio);
 693 #endif
 694                 } else if(!strcmp(arg, "stdin")) {
 695                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 696                         if(!pwdbio) {
 697                                 BIO_printf(err, "Can't open BIO for stdin\n");
 698                                 return NULL;
 699                         }
 700                 } else {
 701                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 702                         return NULL;
 703                 }
 704         }
 705         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 706         if(keepbio != 1) {
 707                 BIO_free_all(pwdbio);
 708                 pwdbio = NULL;
 709         }
 710         if(i <= 0) {
 711                 BIO_printf(err, "Error reading password from BIO\n");
 712                 return NULL;
 713         }
 714         tmp = strchr(tpass, '\n');
 715         if(tmp) *tmp = 0;
 716         return BUF_strdup(tpass);
 717 }
 718
 719 int add_oid_section(BIO *err, CONF *conf)
 720 {
 721         char *p;
 722         STACK_OF(CONF_VALUE) *sktmp;
 723         CONF_VALUE *cnf;
 724         int i;
 725         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 726                 {
 727                 ERR_clear_error();
 728                 return 1;
 729                 }
 730         if(!(sktmp = NCONF_get_section(conf, p))) {
 731                 BIO_printf(err, "problem loading oid section %s\n", p);
 732                 return 0;
 733         }
 734         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 735                 cnf = sk_CONF_VALUE_value(sktmp, i);
 736                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 737                         BIO_printf(err, "problem creating object %s=%s\n",
 738                                                          cnf->name, cnf->value);
 739                         return 0;
 740                 }
 741         }
 742         return 1;
 743 }
 744
 745 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 746                 pem_password_cb *pem_cb,  void *cb_data,
 747                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 748         {
 749         const char *pass;
 750         char tpass[PEM_BUFSIZE];
 751         int len, ret = 0;
 752         PKCS12 *p12;
 753         p12 = d2i_PKCS12_bio(in, NULL);
 754         if (p12 == NULL)
 755                 {
 756                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 757                 goto die;
 758                 }
 759         /* See if an empty password will do */
 760         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 761                 pass = "";
 762         else
 763                 {
 764                 if (!pem_cb)
 765                         pem_cb = (pem_password_cb *)password_callback;
 766                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 767                 if (len < 0)
 768                         {
 769                         BIO_printf(err, "Passpharse callback error for %s\n",
 770                                         desc);
 771                         goto die;
 772                         }
 773                 if (len < PEM_BUFSIZE)
 774                         tpass[len] = 0;
 775                 if (!PKCS12_verify_mac(p12, tpass, len))
 776                         {
 777                         BIO_printf(err,
 778         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 779                         goto die;
 780                         }
 781                 pass = tpass;
 782                 }
 783         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 784         die:
 785         if (p12)
 786                 PKCS12_free(p12);
 787         return ret;
 788         }
 789
 790 int load_cert_crl_http(const char *url, BIO *err,
 791                                         X509 **pcert, X509_CRL **pcrl)
 792         {
 793         char *host = NULL, *port = NULL, *path = NULL;
 794         BIO *bio = NULL;
 795         OCSP_REQ_CTX *rctx = NULL;
 796         int use_ssl, rv = 0;
 797         if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
 798                 goto err;
 799         if (use_ssl)
 800                 {
 801                 if (err)
 802                         BIO_puts(err, "https not supported\n");
 803                 goto err;
 804                 }
 805         bio = BIO_new_connect(host);
 806         if (!bio || !BIO_set_conn_port(bio, port))
 807                 goto err;
 808         rctx = OCSP_REQ_CTX_new(bio, 1024);
 809         if (!rctx)
 810                 goto err;
 811         if (!OCSP_REQ_CTX_http(rctx, "GET", path))
 812                 goto err;
 813         if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
 814                 goto err;
 815         if (pcert)
 816                 {
 817                 do
 818                         {
 819                         rv = X509_http_nbio(rctx, pcert);
 820                         }
 821                 while (rv == -1);
 822                 }
 823         else
 824                 {
 825                 do
 826                         {
 827                         rv = X509_CRL_http_nbio(rctx, pcrl);
 828                         } while (rv == -1);
 829                 }
 830
 831         err:
 832         if (host)
 833                 OPENSSL_free(host);
 834         if (path)
 835                 OPENSSL_free(path);
 836         if (port)
 837                 OPENSSL_free(port);
 838         if (bio)
 839                 BIO_free_all(bio);
 840         if (rctx)
 841                 OCSP_REQ_CTX_free(rctx);
 842         if (rv != 1)
 843                 {
 844                 if (bio && err)
 845                         BIO_printf(bio_err, "Error loading %s from %s\n",
 846                                         pcert ? "certificate" : "CRL", url);
 847                 ERR_print_errors(bio_err);
 848                 }
 849         return rv;
 850         }
 851
 852 X509 *load_cert(BIO *err, const char *file, int format,
 853         const char *pass, ENGINE *e, const char *cert_descrip)
 854         {
 855         X509 *x=NULL;
 856         BIO *cert;
 857
 858         if (format == FORMAT_HTTP)
 859                 {
 860                 load_cert_crl_http(file, err, &x, NULL);
 861                 return x;
 862                 }
 863
 864         if ((cert=BIO_new(BIO_s_file())) == NULL)
 865                 {
 866                 ERR_print_errors(err);
 867                 goto end;
 868                 }
 869
 870         if (file == NULL)
 871                 {
 872 #ifdef _IONBF
 873 # ifndef OPENSSL_NO_SETVBUF_IONBF
 874                 setvbuf(stdin, NULL, _IONBF, 0);
 875 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
 876 #endif
 877                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 878                 }
 879         else
 880                 {
 881                 if (BIO_read_filename(cert,file) <= 0)
 882                         {
 883                         BIO_printf(err, "Error opening %s %s\n",
 884                                 cert_descrip, file);
 885                         ERR_print_errors(err);
 886                         goto end;
 887                         }
 888                 }
 889
 890         if      (format == FORMAT_ASN1)
 891                 x=d2i_X509_bio(cert,NULL);
 892         else if (format == FORMAT_NETSCAPE)
 893                 {
 894                 NETSCAPE_X509 *nx;
 895                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
 896                 if (nx == NULL)
 897                                 goto end;
 898
 899                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
 900                         nx->header->length) != 0))
 901                         {
 902                         NETSCAPE_X509_free(nx);
 903                         BIO_printf(err,"Error reading header on certificate\n");
 904                         goto end;
 905                         }
 906                 x=nx->cert;
 907                 nx->cert = NULL;
 908                 NETSCAPE_X509_free(nx);
 909                 }
 910         else if (format == FORMAT_PEM)
 911                 x=PEM_read_bio_X509_AUX(cert,NULL,
 912                         (pem_password_cb *)password_callback, NULL);
 913         else if (format == FORMAT_PKCS12)
 914                 {
 915                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 916                                         NULL, &x, NULL))
 917                         goto end;
 918                 }
 919         else    {
 920                 BIO_printf(err,"bad input format specified for %s\n",
 921                         cert_descrip);
 922                 goto end;
 923                 }
 924 end:
 925         if (x == NULL)
 926                 {
 927                 BIO_printf(err,"unable to load certificate\n");
 928                 ERR_print_errors(err);
 929                 }
 930         if (cert != NULL) BIO_free(cert);
 931         return(x);
 932         }
 933
 934 X509_CRL *load_crl(const char *infile, int format)
 935         {
 936         X509_CRL *x=NULL;
 937         BIO *in=NULL;
 938
 939         if (format == FORMAT_HTTP)
 940                 {
 941                 load_cert_crl_http(infile, bio_err, NULL, &x);
 942                 return x;
 943                 }
 944
 945         in=BIO_new(BIO_s_file());
 946         if (in == NULL)
 947                 {
 948                 ERR_print_errors(bio_err);
 949                 goto end;
 950                 }
 951
 952         if (infile == NULL)
 953                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
 954         else
 955                 {
 956                 if (BIO_read_filename(in,infile) <= 0)
 957                         {
 958                         perror(infile);
 959                         goto end;
 960                         }
 961                 }
 962         if      (format == FORMAT_ASN1)
 963                 x=d2i_X509_CRL_bio(in,NULL);
 964         else if (format == FORMAT_PEM)
 965                 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL);
 966         else    {
 967                 BIO_printf(bio_err,"bad input format specified for input crl\n");
 968                 goto end;
 969                 }
 970         if (x == NULL)
 971                 {
 972                 BIO_printf(bio_err,"unable to load CRL\n");
 973                 ERR_print_errors(bio_err);
 974                 goto end;
 975                 }
 976
 977 end:
 978         BIO_free(in);
 979         return(x);
 980         }
 981
 982
 983 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 984         const char *pass, ENGINE *e, const char *key_descrip)
 985         {
 986         BIO *key=NULL;
 987         EVP_PKEY *pkey=NULL;
 988         PW_CB_DATA cb_data;
 989
 990         cb_data.password = pass;
 991         cb_data.prompt_info = file;
 992
 993         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 994                 {
 995                 BIO_printf(err,"no keyfile specified\n");
 996                 goto end;
 997                 }
 998 #ifndef OPENSSL_NO_ENGINE
 999         if (format == FORMAT_ENGINE)
1000                 {
1001                 if (!e)
1002                         BIO_printf(err,"no engine specified\n");
1003                 else
1004                         {
1005                         pkey = ENGINE_load_private_key(e, file,
1006                                 ui_method, &cb_data);
1007                         if (!pkey)
1008                                 {
1009                                 BIO_printf(err,"cannot load %s from engine\n",key_descrip);
1010                                 ERR_print_errors(err);
1011                                 }
1012                         }
1013                 goto end;
1014                 }
1015 #endif
1016         key=BIO_new(BIO_s_file());
1017         if (key == NULL)
1018                 {
1019                 ERR_print_errors(err);
1020                 goto end;
1021                 }
1022         if (file == NULL && maybe_stdin)
1023                 {
1024 #ifdef _IONBF
1025 # ifndef OPENSSL_NO_SETVBUF_IONBF
1026                 setvbuf(stdin, NULL, _IONBF, 0);
1027 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
1028 #endif
1029                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
1030                 }
1031         else
1032                 if (BIO_read_filename(key,file) <= 0)
1033                         {
1034                         BIO_printf(err, "Error opening %s %s\n",
1035                                 key_descrip, file);
1036                         ERR_print_errors(err);
1037                         goto end;
1038                         }
1039         if (format == FORMAT_ASN1)
1040                 {
1041                 pkey=d2i_PrivateKey_bio(key, NULL);
1042                 }
1043         else if (format == FORMAT_PEM)
1044                 {
1045                 pkey=PEM_read_bio_PrivateKey(key,NULL,
1046                         (pem_password_cb *)password_callback, &cb_data);
1047                 }
1048 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1049         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1050                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1051 #endif
1052         else if (format == FORMAT_PKCS12)
1053                 {
1054                 if (!load_pkcs12(err, key, key_descrip,
1055                                 (pem_password_cb *)password_callback, &cb_data,
1056                                 &pkey, NULL, NULL))
1057                         goto end;
1058                 }
1059 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
1060         else if (format == FORMAT_MSBLOB)
1061                 pkey = b2i_PrivateKey_bio(key);
1062         else if (format == FORMAT_PVK)
1063                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
1064                                                                 &cb_data);
1065 #endif
1066         else
1067                 {
1068                 BIO_printf(err,"bad input format specified for key file\n");
1069                 goto end;
1070                 }
1071  end:
1072         if (key != NULL) BIO_free(key);
1073         if (pkey == NULL)
1074                 {
1075                 BIO_printf(err,"unable to load %s\n", key_descrip);
1076                 ERR_print_errors(err);
1077                 }
1078         return(pkey);
1079         }
1080
1081 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
1082         const char *pass, ENGINE *e, const char *key_descrip)
1083         {
1084         BIO *key=NULL;
1085         EVP_PKEY *pkey=NULL;
1086         PW_CB_DATA cb_data;
1087
1088         cb_data.password = pass;
1089         cb_data.prompt_info = file;
1090
1091         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
1092                 {
1093                 BIO_printf(err,"no keyfile specified\n");
1094                 goto end;
1095                 }
1096 #ifndef OPENSSL_NO_ENGINE
1097         if (format == FORMAT_ENGINE)
1098                 {
1099                 if (!e)
1100                         BIO_printf(bio_err,"no engine specified\n");
1101                 else
1102                         pkey = ENGINE_load_public_key(e, file,
1103                                 ui_method, &cb_data);
1104                 goto end;
1105                 }
1106 #endif
1107         key=BIO_new(BIO_s_file());
1108         if (key == NULL)
1109                 {
1110                 ERR_print_errors(err);
1111                 goto end;
1112                 }
1113         if (file == NULL && maybe_stdin)
1114                 {
1115 #ifdef _IONBF
1116 # ifndef OPENSSL_NO_SETVBUF_IONBF
1117                 setvbuf(stdin, NULL, _IONBF, 0);
1118 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
1119 #endif
1120                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
1121                 }
1122         else
1123                 if (BIO_read_filename(key,file) <= 0)
1124                         {
1125                         BIO_printf(err, "Error opening %s %s\n",
1126                                 key_descrip, file);
1127                         ERR_print_errors(err);
1128                         goto end;
1129                 }
1130         if (format == FORMAT_ASN1)
1131                 {
1132                 pkey=d2i_PUBKEY_bio(key, NULL);
1133                 }
1134 #ifndef OPENSSL_NO_RSA
1135         else if (format == FORMAT_ASN1RSA)
1136                 {
1137                 RSA *rsa;
1138                 rsa = d2i_RSAPublicKey_bio(key, NULL);
1139                 if (rsa)
1140                         {
1141                         pkey = EVP_PKEY_new();
1142                         if (pkey)
1143                                 EVP_PKEY_set1_RSA(pkey, rsa);
1144                         RSA_free(rsa);
1145                         }
1146                 else
1147                         pkey = NULL;
1148                 }
1149         else if (format == FORMAT_PEMRSA)
1150                 {
1151                 RSA *rsa;
1152                 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1153                         (pem_password_cb *)password_callback, &cb_data);
1154                 if (rsa)
1155                         {
1156                         pkey = EVP_PKEY_new();
1157                         if (pkey)
1158                                 EVP_PKEY_set1_RSA(pkey, rsa);
1159                         RSA_free(rsa);
1160                         }
1161                 else
1162                         pkey = NULL;
1163                 }
1164 #endif
1165         else if (format == FORMAT_PEM)
1166                 {
1167                 pkey=PEM_read_bio_PUBKEY(key,NULL,
1168                         (pem_password_cb *)password_callback, &cb_data);
1169                 }
1170 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1171         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1172                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1173 #endif
1174 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1175         else if (format == FORMAT_MSBLOB)
1176                 pkey = b2i_PublicKey_bio(key);
1177 #endif
1178         else
1179                 {
1180                 BIO_printf(err,"bad input format specified for key file\n");
1181                 goto end;
1182                 }
1183  end:
1184         if (key != NULL) BIO_free(key);
1185         if (pkey == NULL)
1186                 BIO_printf(err,"unable to load %s\n", key_descrip);
1187         return(pkey);
1188         }
1189
1190 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1191 static EVP_PKEY *
1192 load_netscape_key(BIO *err, BIO *key, const char *file,
1193                 const char *key_descrip, int format)
1194         {
1195         EVP_PKEY *pkey;
1196         BUF_MEM *buf;
1197         RSA     *rsa;
1198         const unsigned char *p;
1199         int size, i;
1200
1201         buf=BUF_MEM_new();
1202         pkey = EVP_PKEY_new();
1203         size = 0;
1204         if (buf == NULL || pkey == NULL)
1205                 goto error;
1206         for (;;)
1207                 {
1208                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1209                         goto error;
1210                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1211                 size += i;
1212                 if (i == 0)
1213                         break;
1214                 if (i < 0)
1215                         {
1216                                 BIO_printf(err, "Error reading %s %s",
1217                                         key_descrip, file);
1218                                 goto error;
1219                         }
1220                 }
1221         p=(unsigned char *)buf->data;
1222         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1223                 (format == FORMAT_IISSGC ? 1 : 0));
1224         if (rsa == NULL)
1225                 goto error;
1226         BUF_MEM_free(buf);
1227         EVP_PKEY_set1_RSA(pkey, rsa);
1228         return pkey;
1229 error:
1230         BUF_MEM_free(buf);
1231         EVP_PKEY_free(pkey);
1232         return NULL;
1233         }
1234 #endif /* ndef OPENSSL_NO_RC4 */
1235
1236 static int load_certs_crls(BIO *err, const char *file, int format,
1237         const char *pass, ENGINE *e, const char *desc,
1238         STACK_OF(X509) **pcerts, STACK_OF(X509_CRL) **pcrls)
1239         {
1240         int i;
1241         BIO *bio;
1242         STACK_OF(X509_INFO) *xis = NULL;
1243         X509_INFO *xi;
1244         PW_CB_DATA cb_data;
1245         int rv = 0;
1246
1247         cb_data.password = pass;
1248         cb_data.prompt_info = file;
1249
1250         if (format != FORMAT_PEM)
1251                 {
1252                 BIO_printf(err,"bad input format specified for %s\n", desc);
1253                 return 0;
1254                 }
1255
1256         if (file == NULL)
1257                 bio = BIO_new_fp(stdin,BIO_NOCLOSE);
1258         else
1259                 bio = BIO_new_file(file, "r");
1260
1261         if (bio == NULL)
1262                 {
1263                 BIO_printf(err, "Error opening %s %s\n",
1264                                 desc, file ? file : "stdin");
1265                 ERR_print_errors(err);
1266                 return 0;
1267                 }
1268
1269         xis = PEM_X509_INFO_read_bio(bio, NULL,
1270                                 (pem_password_cb *)password_callback, &cb_data);
1271
1272         BIO_free(bio);
1273
1274         if (pcerts)
1275                 {
1276                 *pcerts = sk_X509_new_null();
1277                 if (!*pcerts)
1278                         goto end;
1279                 }
1280
1281         if (pcrls)
1282                 {
1283                 *pcrls = sk_X509_CRL_new_null();
1284                 if (!*pcrls)
1285                         goto end;
1286                 }
1287
1288         for(i = 0; i < sk_X509_INFO_num(xis); i++)
1289                 {
1290                 xi = sk_X509_INFO_value (xis, i);
1291                 if (xi->x509 && pcerts)
1292                         {
1293                         if (!sk_X509_push(*pcerts, xi->x509))
1294                                 goto end;
1295                         xi->x509 = NULL;
1296                         }
1297                 if (xi->crl && pcrls)
1298                         {
1299                         if (!sk_X509_CRL_push(*pcrls, xi->crl))
1300                                 goto end;
1301                         xi->crl = NULL;
1302                         }
1303                 }
1304
1305         if (pcerts && sk_X509_num(*pcerts) > 0)
1306                 rv = 1;
1307
1308         if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1309                 rv = 1;
1310
1311         end:
1312
1313         if (xis)
1314                 sk_X509_INFO_pop_free(xis, X509_INFO_free);
1315
1316         if (rv == 0)
1317                 {
1318                 if (pcerts)
1319                         {
1320                         sk_X509_pop_free(*pcerts, X509_free);
1321                         *pcerts = NULL;
1322                         }
1323                 if (pcrls)
1324                         {
1325                         sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1326                         *pcrls = NULL;
1327                         }
1328                 BIO_printf(err,"unable to load %s\n",
1329                                 pcerts ? "certificates" : "CRLs");
1330                 ERR_print_errors(err);
1331                 }
1332         return rv;
1333         }
1334
1335 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1336         const char *pass, ENGINE *e, const char *desc)
1337         {
1338         STACK_OF(X509) *certs;
1339         if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
1340                 return NULL;
1341         return certs;
1342         }
1343
1344 STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1345         const char *pass, ENGINE *e, const char *desc)
1346         {
1347         STACK_OF(X509_CRL) *crls;
1348         if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
1349                 return NULL;
1350         return crls;
1351         }
1352
1353 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1354 /* Return error for unknown extensions */
1355 #define X509V3_EXT_DEFAULT              0
1356 /* Print error for unknown extensions */
1357 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1358 /* ASN1 parse unknown extensions */
1359 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1360 /* BIO_dump unknown extensions */
1361 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1362
1363 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1364                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1365
1366 int set_cert_ex(unsigned long *flags, const char *arg)
1367 {
1368         static const NAME_EX_TBL cert_tbl[] = {
1369                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1370                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1371                 { "no_header", X509_FLAG_NO_HEADER, 0},
1372                 { "no_version", X509_FLAG_NO_VERSION, 0},
1373                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1374                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1375                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1376                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1377                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1378                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1379                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1380                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1381                 { "no_aux", X509_FLAG_NO_AUX, 0},
1382                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1383                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1384                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1385                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1386                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1387                 { NULL, 0, 0}
1388         };
1389         return set_multi_opts(flags, arg, cert_tbl);
1390 }
1391
1392 int set_name_ex(unsigned long *flags, const char *arg)
1393 {
1394         static const NAME_EX_TBL ex_tbl[] = {
1395                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1396                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1397                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1398                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1399                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1400                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1401                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1402                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1403                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1404                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1405                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1406                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1407                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1408                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1409                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1410                 { "dn_rev", XN_FLAG_DN_REV, 0},
1411                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1412                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1413                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1414                 { "align", XN_FLAG_FN_ALIGN, 0},
1415                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1416                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1417                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1418                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1419                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1420                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1421                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1422                 { NULL, 0, 0}
1423         };
1424         return set_multi_opts(flags, arg, ex_tbl);
1425 }
1426
1427 int set_ext_copy(int *copy_type, const char *arg)
1428 {
1429         if (!strcasecmp(arg, "none"))
1430                 *copy_type = EXT_COPY_NONE;
1431         else if (!strcasecmp(arg, "copy"))
1432                 *copy_type = EXT_COPY_ADD;
1433         else if (!strcasecmp(arg, "copyall"))
1434                 *copy_type = EXT_COPY_ALL;
1435         else
1436                 return 0;
1437         return 1;
1438 }
1439
1440 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1441 {
1442         STACK_OF(X509_EXTENSION) *exts = NULL;
1443         X509_EXTENSION *ext, *tmpext;
1444         ASN1_OBJECT *obj;
1445         int i, idx, ret = 0;
1446         if (!x || !req || (copy_type == EXT_COPY_NONE))
1447                 return 1;
1448         exts = X509_REQ_get_extensions(req);
1449
1450         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1451                 ext = sk_X509_EXTENSION_value(exts, i);
1452                 obj = X509_EXTENSION_get_object(ext);
1453                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1454                 /* Does extension exist? */
1455                 if (idx != -1) {
1456                         /* If normal copy don't override existing extension */
1457                         if (copy_type == EXT_COPY_ADD)
1458                                 continue;
1459                         /* Delete all extensions of same type */
1460                         do {
1461                                 tmpext = X509_get_ext(x, idx);
1462                                 X509_delete_ext(x, idx);
1463                                 X509_EXTENSION_free(tmpext);
1464                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1465                         } while (idx != -1);
1466                 }
1467                 if (!X509_add_ext(x, ext, -1))
1468                         goto end;
1469         }
1470
1471         ret = 1;
1472
1473         end:
1474
1475         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1476
1477         return ret;
1478 }
1479
1480
1481
1482
1483 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1484 {
1485         STACK_OF(CONF_VALUE) *vals;
1486         CONF_VALUE *val;
1487         int i, ret = 1;
1488         if(!arg) return 0;
1489         vals = X509V3_parse_list(arg);
1490         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1491                 val = sk_CONF_VALUE_value(vals, i);
1492                 if (!set_table_opts(flags, val->name, in_tbl))
1493                         ret = 0;
1494         }
1495         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1496         return ret;
1497 }
1498
1499 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1500 {
1501         char c;
1502         const NAME_EX_TBL *ptbl;
1503         c = arg[0];
1504
1505         if(c == '-') {
1506                 c = 0;
1507                 arg++;
1508         } else if (c == '+') {
1509                 c = 1;
1510                 arg++;
1511         } else c = 1;
1512
1513         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1514                 if(!strcasecmp(arg, ptbl->name)) {
1515                         *flags &= ~ptbl->mask;
1516                         if(c) *flags |= ptbl->flag;
1517                         else *flags &= ~ptbl->flag;
1518                         return 1;
1519                 }
1520         }
1521         return 0;
1522 }
1523
1524 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1525 {
1526         char *buf;
1527         char mline = 0;
1528         int indent = 0;
1529
1530         if(title) BIO_puts(out, title);
1531         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1532                 mline = 1;
1533                 indent = 4;
1534         }
1535         if(lflags == XN_FLAG_COMPAT) {
1536                 buf = X509_NAME_oneline(nm, 0, 0);
1537                 BIO_puts(out, buf);
1538                 BIO_puts(out, "\n");
1539                 OPENSSL_free(buf);
1540         } else {
1541                 if(mline) BIO_puts(out, "\n");
1542                 X509_NAME_print_ex(out, nm, indent, lflags);
1543                 BIO_puts(out, "\n");
1544         }
1545 }
1546
1547 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1548 {
1549         X509_STORE *store;
1550         X509_LOOKUP *lookup;
1551         if(!(store = X509_STORE_new())) goto end;
1552         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1553         if (lookup == NULL) goto end;
1554         if (CAfile) {
1555                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1556                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1557                         goto end;
1558                 }
1559         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1560
1561         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1562         if (lookup == NULL) goto end;
1563         if (CApath) {
1564                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1565                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1566                         goto end;
1567                 }
1568         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1569
1570         ERR_clear_error();
1571         return store;
1572         end:
1573         X509_STORE_free(store);
1574         return NULL;
1575 }
1576
1577 #ifndef OPENSSL_NO_ENGINE
1578 /* Try to load an engine in a shareable library */
1579 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1580         {
1581         ENGINE *e = ENGINE_by_id("dynamic");
1582         if (e)
1583                 {
1584                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1585                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1586                         {
1587                         ENGINE_free(e);
1588                         e = NULL;
1589                         }
1590                 }
1591         return e;
1592         }
1593
1594 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1595         {
1596         ENGINE *e = NULL;
1597
1598         if (engine)
1599                 {
1600                 if(strcmp(engine, "auto") == 0)
1601                         {
1602                         BIO_printf(err,"enabling auto ENGINE support\n");
1603                         ENGINE_register_all_complete();
1604                         return NULL;
1605                         }
1606                 if((e = ENGINE_by_id(engine)) == NULL
1607                         && (e = try_load_engine(err, engine, debug)) == NULL)
1608                         {
1609                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1610                         ERR_print_errors(err);
1611                         return NULL;
1612                         }
1613                 if (debug)
1614                         {
1615                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1616                                 0, err, 0);
1617                         }
1618                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1619                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1620                         {
1621                         BIO_printf(err,"can't use that engine\n");
1622                         ERR_print_errors(err);
1623                         ENGINE_free(e);
1624                         return NULL;
1625                         }
1626
1627                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1628
1629                 /* Free our "structural" reference. */
1630                 ENGINE_free(e);
1631                 }
1632         return e;
1633         }
1634 #endif
1635
1636 int load_config(BIO *err, CONF *cnf)
1637         {
1638         static int load_config_called = 0;
1639         if (load_config_called)
1640                 return 1;
1641         load_config_called = 1;
1642         if (!cnf)
1643                 cnf = config;
1644         if (!cnf)
1645                 return 1;
1646
1647         OPENSSL_load_builtin_modules();
1648
1649         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1650                 {
1651                 BIO_printf(err, "Error configuring OpenSSL\n");
1652                 ERR_print_errors(err);
1653                 return 0;
1654                 }
1655         return 1;
1656         }
1657
1658 char *make_config_name()
1659         {
1660         const char *t=X509_get_default_cert_area();
1661         size_t len;
1662         char *p;
1663
1664         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1665         p=OPENSSL_malloc(len);
1666         if (p == NULL)
1667                 return NULL;
1668         BUF_strlcpy(p,t,len);
1669 #ifndef OPENSSL_SYS_VMS
1670         BUF_strlcat(p,"/",len);
1671 #endif
1672         BUF_strlcat(p,OPENSSL_CONF,len);
1673
1674         return p;
1675         }
1676
1677 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1678         {
1679         const char *n;
1680
1681         n=a[DB_serial];
1682         while (*n == '0') n++;
1683         return(lh_strhash(n));
1684         }
1685
1686 static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1687         {
1688         const char *aa,*bb;
1689
1690         for (aa=a[DB_serial]; *aa == '0'; aa++);
1691         for (bb=b[DB_serial]; *bb == '0'; bb++);
1692         return(strcmp(aa,bb));
1693         }
1694
1695 static int index_name_qual(char **a)
1696         { return(a[0][0] == 'V'); }
1697
1698 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1699         { return(lh_strhash(a[DB_name])); }
1700
1701 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1702         { return(strcmp(a[DB_name], b[DB_name])); }
1703
1704 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1705 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1706 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1707 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1708
1709 #undef BSIZE
1710 #define BSIZE 256
1711
1712 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1713         {
1714         BIO *in=NULL;
1715         BIGNUM *ret=NULL;
1716         MS_STATIC char buf[1024];
1717         ASN1_INTEGER *ai=NULL;
1718
1719         ai=ASN1_INTEGER_new();
1720         if (ai == NULL) goto err;
1721
1722         if ((in=BIO_new(BIO_s_file())) == NULL)
1723                 {
1724                 ERR_print_errors(bio_err);
1725                 goto err;
1726                 }
1727
1728         if (BIO_read_filename(in,serialfile) <= 0)
1729                 {
1730                 if (!create)
1731                         {
1732                         perror(serialfile);
1733                         goto err;
1734                         }
1735                 else
1736                         {
1737                         ret=BN_new();
1738                         if (ret == NULL || !rand_serial(ret, ai))
1739                                 BIO_printf(bio_err, "Out of memory\n");
1740                         }
1741                 }
1742         else
1743                 {
1744                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1745                         {
1746                         BIO_printf(bio_err,"unable to load number from %s\n",
1747                                 serialfile);
1748                         goto err;
1749                         }
1750                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1751                 if (ret == NULL)
1752                         {
1753                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1754                         goto err;
1755                         }
1756                 }
1757
1758         if (ret && retai)
1759                 {
1760                 *retai = ai;
1761                 ai = NULL;
1762                 }
1763  err:
1764         if (in != NULL) BIO_free(in);
1765         if (ai != NULL) ASN1_INTEGER_free(ai);
1766         return(ret);
1767         }
1768
1769 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1770         {
1771         char buf[1][BSIZE];
1772         BIO *out = NULL;
1773         int ret=0;
1774         ASN1_INTEGER *ai=NULL;
1775         int j;
1776
1777         if (suffix == NULL)
1778                 j = strlen(serialfile);
1779         else
1780                 j = strlen(serialfile) + strlen(suffix) + 1;
1781         if (j >= BSIZE)
1782                 {
1783                 BIO_printf(bio_err,"file name too long\n");
1784                 goto err;
1785                 }
1786
1787         if (suffix == NULL)
1788                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1789         else
1790                 {
1791 #ifndef OPENSSL_SYS_VMS
1792                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1793 #else
1794                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1795 #endif
1796                 }
1797 #ifdef RL_DEBUG
1798         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1799 #endif
1800         out=BIO_new(BIO_s_file());
1801         if (out == NULL)
1802                 {
1803                 ERR_print_errors(bio_err);
1804                 goto err;
1805                 }
1806         if (BIO_write_filename(out,buf[0]) <= 0)
1807                 {
1808                 perror(serialfile);
1809                 goto err;
1810                 }
1811
1812         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1813                 {
1814                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1815                 goto err;
1816                 }
1817         i2a_ASN1_INTEGER(out,ai);
1818         BIO_puts(out,"\n");
1819         ret=1;
1820         if (retai)
1821                 {
1822                 *retai = ai;
1823                 ai = NULL;
1824                 }
1825 err:
1826         if (out != NULL) BIO_free_all(out);
1827         if (ai != NULL) ASN1_INTEGER_free(ai);
1828         return(ret);
1829         }
1830
1831 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1832         {
1833         char buf[5][BSIZE];
1834         int i,j;
1835
1836         i = strlen(serialfile) + strlen(old_suffix);
1837         j = strlen(serialfile) + strlen(new_suffix);
1838         if (i > j) j = i;
1839         if (j + 1 >= 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[0], sizeof buf[0], "%s.%s",
1847                 serialfile, new_suffix);
1848 #else
1849         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1850                 serialfile, new_suffix);
1851 #endif
1852 #ifndef OPENSSL_SYS_VMS
1853         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1854                 serialfile, old_suffix);
1855 #else
1856         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1857                 serialfile, old_suffix);
1858 #endif
1859 #ifdef RL_DEBUG
1860         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1861                 serialfile, buf[1]);
1862 #endif
1863         if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1864 #ifdef ENOTDIR
1865                         && errno != ENOTDIR
1866 #endif
1867            )            {
1868                         BIO_printf(bio_err,
1869                                 "unable to rename %s to %s\n",
1870                                 serialfile, buf[1]);
1871                         perror("reason");
1872                         goto err;
1873                         }
1874 #ifdef RL_DEBUG
1875         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1876                 buf[0],serialfile);
1877 #endif
1878         if (rename(buf[0],serialfile) < 0)
1879                 {
1880                 BIO_printf(bio_err,
1881                         "unable to rename %s to %s\n",
1882                         buf[0],serialfile);
1883                 perror("reason");
1884                 rename(buf[1],serialfile);
1885                 goto err;
1886                 }
1887         return 1;
1888  err:
1889         return 0;
1890         }
1891
1892 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1893         {
1894         BIGNUM *btmp;
1895         int ret = 0;
1896         if (b)
1897                 btmp = b;
1898         else
1899                 btmp = BN_new();
1900
1901         if (!btmp)
1902                 return 0;
1903
1904         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1905                 goto error;
1906         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1907                 goto error;
1908
1909         ret = 1;
1910
1911         error:
1912
1913         if (!b)
1914                 BN_free(btmp);
1915
1916         return ret;
1917         }
1918
1919 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1920         {
1921         CA_DB *retdb = NULL;
1922         TXT_DB *tmpdb = NULL;
1923         BIO *in = BIO_new(BIO_s_file());
1924         CONF *dbattr_conf = NULL;
1925         char buf[1][BSIZE];
1926         long errorline= -1;
1927
1928         if (in == NULL)
1929                 {
1930                 ERR_print_errors(bio_err);
1931                 goto err;
1932                 }
1933         if (BIO_read_filename(in,dbfile) <= 0)
1934                 {
1935                 perror(dbfile);
1936                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1937                 goto err;
1938                 }
1939         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1940                 goto err;
1941
1942 #ifndef OPENSSL_SYS_VMS
1943         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1944 #else
1945         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1946 #endif
1947         dbattr_conf = NCONF_new(NULL);
1948         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1949                 {
1950                 if (errorline > 0)
1951                         {
1952                         BIO_printf(bio_err,
1953                                 "error on line %ld of db attribute file '%s'\n"
1954                                 ,errorline,buf[0]);
1955                         goto err;
1956                         }
1957                 else
1958                         {
1959                         NCONF_free(dbattr_conf);
1960                         dbattr_conf = NULL;
1961                         }
1962                 }
1963
1964         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1965                 {
1966                 fprintf(stderr, "Out of memory\n");
1967                 goto err;
1968                 }
1969
1970         retdb->db = tmpdb;
1971         tmpdb = NULL;
1972         if (db_attr)
1973                 retdb->attributes = *db_attr;
1974         else
1975                 {
1976                 retdb->attributes.unique_subject = 1;
1977                 }
1978
1979         if (dbattr_conf)
1980                 {
1981                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1982                 if (p)
1983                         {
1984 #ifdef RL_DEBUG
1985                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1986 #endif
1987                         retdb->attributes.unique_subject = parse_yesno(p,1);
1988                         }
1989                 }
1990
1991  err:
1992         if (dbattr_conf) NCONF_free(dbattr_conf);
1993         if (tmpdb) TXT_DB_free(tmpdb);
1994         if (in) BIO_free_all(in);
1995         return retdb;
1996         }
1997
1998 int index_index(CA_DB *db)
1999         {
2000         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
2001                                 LHASH_HASH_FN(index_serial),
2002                                 LHASH_COMP_FN(index_serial)))
2003                 {
2004                 BIO_printf(bio_err,
2005                   "error creating serial number index:(%ld,%ld,%ld)\n",
2006                                         db->db->error,db->db->arg1,db->db->arg2);
2007                         return 0;
2008                 }
2009
2010         if (db->attributes.unique_subject
2011                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
2012                         LHASH_HASH_FN(index_name),
2013                         LHASH_COMP_FN(index_name)))
2014                 {
2015                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
2016                         db->db->error,db->db->arg1,db->db->arg2);
2017                 return 0;
2018                 }
2019         return 1;
2020         }
2021
2022 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
2023         {
2024         char buf[3][BSIZE];
2025         BIO *out = BIO_new(BIO_s_file());
2026         int j;
2027
2028         if (out == NULL)
2029                 {
2030                 ERR_print_errors(bio_err);
2031                 goto err;
2032                 }
2033
2034         j = strlen(dbfile) + strlen(suffix);
2035         if (j + 6 >= BSIZE)
2036                 {
2037                 BIO_printf(bio_err,"file name too long\n");
2038                 goto err;
2039                 }
2040
2041 #ifndef OPENSSL_SYS_VMS
2042         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
2043 #else
2044         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
2045 #endif
2046 #ifndef OPENSSL_SYS_VMS
2047         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
2048 #else
2049         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
2050 #endif
2051 #ifndef OPENSSL_SYS_VMS
2052         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
2053 #else
2054         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
2055 #endif
2056 #ifdef RL_DEBUG
2057         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
2058 #endif
2059         if (BIO_write_filename(out,buf[0]) <= 0)
2060                 {
2061                 perror(dbfile);
2062                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
2063                 goto err;
2064                 }
2065         j=TXT_DB_write(out,db->db);
2066         if (j <= 0) goto err;
2067
2068         BIO_free(out);
2069
2070         out = BIO_new(BIO_s_file());
2071 #ifdef RL_DEBUG
2072         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
2073 #endif
2074         if (BIO_write_filename(out,buf[1]) <= 0)
2075                 {
2076                 perror(buf[2]);
2077                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
2078                 goto err;
2079                 }
2080         BIO_printf(out,"unique_subject = %s\n",
2081                 db->attributes.unique_subject ? "yes" : "no");
2082         BIO_free(out);
2083
2084         return 1;
2085  err:
2086         return 0;
2087         }
2088
2089 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
2090         {
2091         char buf[5][BSIZE];
2092         int i,j;
2093
2094         i = strlen(dbfile) + strlen(old_suffix);
2095         j = strlen(dbfile) + strlen(new_suffix);
2096         if (i > j) j = i;
2097         if (j + 6 >= BSIZE)
2098                 {
2099                 BIO_printf(bio_err,"file name too long\n");
2100                 goto err;
2101                 }
2102
2103 #ifndef OPENSSL_SYS_VMS
2104         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
2105 #else
2106         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
2107 #endif
2108 #ifndef OPENSSL_SYS_VMS
2109         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
2110                 dbfile, new_suffix);
2111 #else
2112         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
2113                 dbfile, new_suffix);
2114 #endif
2115 #ifndef OPENSSL_SYS_VMS
2116         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
2117                 dbfile, new_suffix);
2118 #else
2119         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
2120                 dbfile, new_suffix);
2121 #endif
2122 #ifndef OPENSSL_SYS_VMS
2123         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
2124                 dbfile, old_suffix);
2125 #else
2126         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
2127                 dbfile, old_suffix);
2128 #endif
2129 #ifndef OPENSSL_SYS_VMS
2130         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
2131                 dbfile, old_suffix);
2132 #else
2133         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
2134                 dbfile, old_suffix);
2135 #endif
2136 #ifdef RL_DEBUG
2137         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2138                 dbfile, buf[1]);
2139 #endif
2140         if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
2141 #ifdef ENOTDIR
2142                 && errno != ENOTDIR
2143 #endif
2144            )            {
2145                         BIO_printf(bio_err,
2146                                 "unable to rename %s to %s\n",
2147                                 dbfile, buf[1]);
2148                         perror("reason");
2149                         goto err;
2150                         }
2151 #ifdef RL_DEBUG
2152         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2153                 buf[0],dbfile);
2154 #endif
2155         if (rename(buf[0],dbfile) < 0)
2156                 {
2157                 BIO_printf(bio_err,
2158                         "unable to rename %s to %s\n",
2159                         buf[0],dbfile);
2160                 perror("reason");
2161                 rename(buf[1],dbfile);
2162                 goto err;
2163                 }
2164 #ifdef RL_DEBUG
2165         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2166                 buf[4],buf[3]);
2167 #endif
2168         if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
2169 #ifdef ENOTDIR
2170                 && errno != ENOTDIR
2171 #endif
2172            )            {
2173                         BIO_printf(bio_err,
2174                                 "unable to rename %s to %s\n",
2175                                 buf[4], buf[3]);
2176                         perror("reason");
2177                         rename(dbfile,buf[0]);
2178                         rename(buf[1],dbfile);
2179                         goto err;
2180                         }
2181 #ifdef RL_DEBUG
2182         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2183                 buf[2],buf[4]);
2184 #endif
2185         if (rename(buf[2],buf[4]) < 0)
2186                 {
2187                 BIO_printf(bio_err,
2188                         "unable to rename %s to %s\n",
2189                         buf[2],buf[4]);
2190                 perror("reason");
2191                 rename(buf[3],buf[4]);
2192                 rename(dbfile,buf[0]);
2193                 rename(buf[1],dbfile);
2194                 goto err;
2195                 }
2196         return 1;
2197  err:
2198         return 0;
2199         }
2200
2201 void free_index(CA_DB *db)
2202         {
2203         if (db)
2204                 {
2205                 if (db->db) TXT_DB_free(db->db);
2206                 OPENSSL_free(db);
2207                 }
2208         }
2209
2210 int parse_yesno(const char *str, int def)
2211         {
2212         int ret = def;
2213         if (str)
2214                 {
2215                 switch (*str)
2216                         {
2217                 case 'f': /* false */
2218                 case 'F': /* FALSE */
2219                 case 'n': /* no */
2220                 case 'N': /* NO */
2221                 case '0': /* 0 */
2222                         ret = 0;
2223                         break;
2224                 case 't': /* true */
2225                 case 'T': /* TRUE */
2226                 case 'y': /* yes */
2227                 case 'Y': /* YES */
2228                 case '1': /* 1 */
2229                         ret = 1;
2230                         break;
2231                 default:
2232                         ret = def;
2233                         break;
2234                         }
2235                 }
2236         return ret;
2237         }
2238
2239 /*
2240  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2241  * where characters may be escaped by \
2242  */
2243 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2244         {
2245         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2246         char *buf = OPENSSL_malloc(buflen);
2247         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2248         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2249         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2250         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2251
2252         char *sp = subject, *bp = buf;
2253         int i, ne_num = 0;
2254
2255         X509_NAME *n = NULL;
2256         int nid;
2257
2258         if (!buf || !ne_types || !ne_values || !mval)
2259                 {
2260                 BIO_printf(bio_err, "malloc error\n");
2261                 goto error;
2262                 }
2263
2264         if (*subject != '/')
2265                 {
2266                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2267                 goto error;
2268                 }
2269         sp++; /* skip leading / */
2270
2271         /* no multivalued RDN by default */
2272         mval[ne_num] = 0;
2273
2274         while (*sp)
2275                 {
2276                 /* collect type */
2277                 ne_types[ne_num] = bp;
2278                 while (*sp)
2279                         {
2280                         if (*sp == '\\') /* is there anything to escape in the type...? */
2281                                 {
2282                                 if (*++sp)
2283                                         *bp++ = *sp++;
2284                                 else
2285                                         {
2286                                         BIO_printf(bio_err, "escape character at end of string\n");
2287                                         goto error;
2288                                         }
2289                                 }
2290                         else if (*sp == '=')
2291                                 {
2292                                 sp++;
2293                                 *bp++ = '\0';
2294                                 break;
2295                                 }
2296                         else
2297                                 *bp++ = *sp++;
2298                         }
2299                 if (!*sp)
2300                         {
2301                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2302                         goto error;
2303                         }
2304                 ne_values[ne_num] = bp;
2305                 while (*sp)
2306                         {
2307                         if (*sp == '\\')
2308                                 {
2309                                 if (*++sp)
2310                                         *bp++ = *sp++;
2311                                 else
2312                                         {
2313                                         BIO_printf(bio_err, "escape character at end of string\n");
2314                                         goto error;
2315                                         }
2316                                 }
2317                         else if (*sp == '/')
2318                                 {
2319                                 sp++;
2320                                 /* no multivalued RDN by default */
2321                                 mval[ne_num+1] = 0;
2322                                 break;
2323                                 }
2324                         else if (*sp == '+' && multirdn)
2325                                 {
2326                                 /* a not escaped + signals a mutlivalued RDN */
2327                                 sp++;
2328                                 mval[ne_num+1] = -1;
2329                                 break;
2330                                 }
2331                         else
2332                                 *bp++ = *sp++;
2333                         }
2334                 *bp++ = '\0';
2335                 ne_num++;
2336                 }
2337
2338         if (!(n = X509_NAME_new()))
2339                 goto error;
2340
2341         for (i = 0; i < ne_num; i++)
2342                 {
2343                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2344                         {
2345                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2346                         continue;
2347                         }
2348
2349                 if (!*ne_values[i])
2350                         {
2351                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2352                         continue;
2353                         }
2354
2355                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2356                         goto error;
2357                 }
2358
2359         OPENSSL_free(ne_values);
2360         OPENSSL_free(ne_types);
2361         OPENSSL_free(buf);
2362         OPENSSL_free(mval);
2363         return n;
2364
2365 error:
2366         X509_NAME_free(n);
2367         if (ne_values)
2368                 OPENSSL_free(ne_values);
2369         if (ne_types)
2370                 OPENSSL_free(ne_types);
2371         if (mval)
2372                 OPENSSL_free(mval);
2373         if (buf)
2374                 OPENSSL_free(buf);
2375         return NULL;
2376 }
2377
2378 int args_verify(char ***pargs, int *pargc,
2379                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2380         {
2381         ASN1_OBJECT *otmp = NULL;
2382         unsigned long flags = 0;
2383         int i;
2384         int purpose = 0, depth = -1;
2385         char **oldargs = *pargs;
2386         char *arg = **pargs, *argn = (*pargs)[1];
2387         time_t at_time = 0;
2388         char *hostname = NULL;
2389         char *email = NULL;
2390         char *ipasc = NULL;
2391         if (!strcmp(arg, "-policy"))
2392                 {
2393                 if (!argn)
2394                         *badarg = 1;
2395                 else
2396                         {
2397                         otmp = OBJ_txt2obj(argn, 0);
2398                         if (!otmp)
2399                                 {
2400                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2401                                                                         argn);
2402                                 *badarg = 1;
2403                                 }
2404                         }
2405                 (*pargs)++;
2406                 }
2407         else if (strcmp(arg,"-purpose") == 0)
2408                 {
2409                 X509_PURPOSE *xptmp;
2410                 if (!argn)
2411                         *badarg = 1;
2412                 else
2413                         {
2414                         i = X509_PURPOSE_get_by_sname(argn);
2415                         if(i < 0)
2416                                 {
2417                                 BIO_printf(err, "unrecognized purpose\n");
2418                                 *badarg = 1;
2419                                 }
2420                         else
2421                                 {
2422                                 xptmp = X509_PURPOSE_get0(i);
2423                                 purpose = X509_PURPOSE_get_id(xptmp);
2424                                 }
2425                         }
2426                 (*pargs)++;
2427                 }
2428         else if (strcmp(arg,"-verify_depth") == 0)
2429                 {
2430                 if (!argn)
2431                         *badarg = 1;
2432                 else
2433                         {
2434                         depth = atoi(argn);
2435                         if(depth < 0)
2436                                 {
2437                                 BIO_printf(err, "invalid depth\n");
2438                                 *badarg = 1;
2439                                 }
2440                         }
2441                 (*pargs)++;
2442                 }
2443         else if (strcmp(arg,"-attime") == 0)
2444                 {
2445                 if (!argn)
2446                         *badarg = 1;
2447                 else
2448                         {
2449                         long timestamp;
2450                         /* interpret the -attime argument as seconds since
2451                          * Epoch */
2452                         if (sscanf(argn, "%li", &timestamp) != 1)
2453                                 {
2454                                 BIO_printf(bio_err,
2455                                                 "Error parsing timestamp %s\n",
2456                                                 argn);
2457                                 *badarg = 1;
2458                                 }
2459                         /* on some platforms time_t may be a float */
2460                         at_time = (time_t) timestamp;
2461                         }
2462                 (*pargs)++;
2463                 }
2464         else if (strcmp(arg,"-verify_hostname") == 0)
2465                 {
2466                 if (!argn)
2467                         *badarg = 1;
2468                 hostname = argn;
2469                 (*pargs)++;
2470                 }
2471         else if (strcmp(arg,"-verify_email") == 0)
2472                 {
2473                 if (!argn)
2474                         *badarg = 1;
2475                 email = argn;
2476                 (*pargs)++;
2477                 }
2478         else if (strcmp(arg,"-verify_ip") == 0)
2479                 {
2480                 if (!argn)
2481                         *badarg = 1;
2482                 ipasc = argn;
2483                 (*pargs)++;
2484                 }
2485         else if (!strcmp(arg, "-ignore_critical"))
2486                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2487         else if (!strcmp(arg, "-issuer_checks"))
2488                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2489         else if (!strcmp(arg, "-crl_check"))
2490                 flags |=  X509_V_FLAG_CRL_CHECK;
2491         else if (!strcmp(arg, "-crl_check_all"))
2492                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2493         else if (!strcmp(arg, "-policy_check"))
2494                 flags |= X509_V_FLAG_POLICY_CHECK;
2495         else if (!strcmp(arg, "-explicit_policy"))
2496                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2497         else if (!strcmp(arg, "-inhibit_any"))
2498                 flags |= X509_V_FLAG_INHIBIT_ANY;
2499         else if (!strcmp(arg, "-inhibit_map"))
2500                 flags |= X509_V_FLAG_INHIBIT_MAP;
2501         else if (!strcmp(arg, "-x509_strict"))
2502                 flags |= X509_V_FLAG_X509_STRICT;
2503         else if (!strcmp(arg, "-extended_crl"))
2504                 flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2505         else if (!strcmp(arg, "-use_deltas"))
2506                 flags |= X509_V_FLAG_USE_DELTAS;
2507         else if (!strcmp(arg, "-policy_print"))
2508                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2509         else if (!strcmp(arg, "-check_ss_sig"))
2510                 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2511         else if (!strcmp(arg, "-trusted_first"))
2512                 flags |= X509_V_FLAG_TRUSTED_FIRST;
2513         else if (!strcmp(arg, "-suiteB_128_only"))
2514                 flags |= X509_V_FLAG_SUITEB_128_LOS_ONLY;
2515         else if (!strcmp(arg, "-suiteB_128"))
2516                 flags |= X509_V_FLAG_SUITEB_128_LOS;
2517         else if (!strcmp(arg, "-suiteB_192"))
2518                 flags |= X509_V_FLAG_SUITEB_192_LOS;
2519         else if (!strcmp(arg, "-partial_chain"))
2520                 flags |= X509_V_FLAG_PARTIAL_CHAIN;
2521         else
2522                 return 0;
2523
2524         if (*badarg)
2525                 {
2526                 if (*pm)
2527                         X509_VERIFY_PARAM_free(*pm);
2528                 *pm = NULL;
2529                 goto end;
2530                 }
2531
2532         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2533                 {
2534                 *badarg = 1;
2535                 goto end;
2536                 }
2537
2538         if (otmp)
2539                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2540         if (flags)
2541                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2542
2543         if (purpose)
2544                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2545
2546         if (depth >= 0)
2547                 X509_VERIFY_PARAM_set_depth(*pm, depth);
2548
2549         if (at_time)
2550                 X509_VERIFY_PARAM_set_time(*pm, at_time);
2551
2552         if (hostname && !X509_VERIFY_PARAM_set1_host(*pm, hostname, 0))
2553                 *badarg = 1;
2554
2555         if (email && !X509_VERIFY_PARAM_set1_email(*pm, email, 0))
2556                 *badarg = 1;
2557
2558         if (ipasc && !X509_VERIFY_PARAM_set1_ip_asc(*pm, ipasc))
2559                 *badarg = 1;
2560
2561         end:
2562
2563         (*pargs)++;
2564
2565         if (pargc)
2566                 *pargc -= *pargs - oldargs;
2567
2568         return 1;
2569
2570         }
2571
2572 /* Read whole contents of a BIO into an allocated memory buffer and
2573  * return it.
2574  */
2575
2576 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2577         {
2578         BIO *mem;
2579         int len, ret;
2580         unsigned char tbuf[1024];
2581         mem = BIO_new(BIO_s_mem());
2582         if (!mem)
2583                 return -1;
2584         for(;;)
2585                 {
2586                 if ((maxlen != -1) && maxlen < 1024)
2587                         len = maxlen;
2588                 else
2589                         len = 1024;
2590                 len = BIO_read(in, tbuf, len);
2591                 if (len <= 0)
2592                         break;
2593                 if (BIO_write(mem, tbuf, len) != len)
2594                         {
2595                         BIO_free(mem);
2596                         return -1;
2597                         }
2598                 maxlen -= len;
2599
2600                 if (maxlen == 0)
2601                         break;
2602                 }
2603         ret = BIO_get_mem_data(mem, (char **)out);
2604         BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2605         BIO_free(mem);
2606         return ret;
2607         }
2608
2609 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2610         {
2611         int rv;
2612         char *stmp, *vtmp = NULL;
2613         stmp = BUF_strdup(value);
2614         if (!stmp)
2615                 return -1;
2616         vtmp = strchr(stmp, ':');
2617         if (vtmp)
2618                 {
2619                 *vtmp = 0;
2620                 vtmp++;
2621                 }
2622         rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2623         OPENSSL_free(stmp);
2624         return rv;
2625         }
2626
2627 static void nodes_print(BIO *out, const char *name,
2628         STACK_OF(X509_POLICY_NODE) *nodes)
2629         {
2630         X509_POLICY_NODE *node;
2631         int i;
2632         BIO_printf(out, "%s Policies:", name);
2633         if (nodes)
2634                 {
2635                 BIO_puts(out, "\n");
2636                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2637                         {
2638                         node = sk_X509_POLICY_NODE_value(nodes, i);
2639                         X509_POLICY_NODE_print(out, node, 2);
2640                         }
2641                 }
2642         else
2643                 BIO_puts(out, " <empty>\n");
2644         }
2645
2646 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2647         {
2648         X509_POLICY_TREE *tree;
2649         int explicit_policy;
2650         int free_out = 0;
2651         if (out == NULL)
2652                 {
2653                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2654                 free_out = 1;
2655                 }
2656         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2657         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2658
2659         BIO_printf(out, "Require explicit Policy: %s\n",
2660                                 explicit_policy ? "True" : "False");
2661
2662         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2663         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2664         if (free_out)
2665                 BIO_free(out);
2666         }
2667
2668 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2669
2670 static JPAKE_CTX *jpake_init(const char *us, const char *them,
2671                                                          const char *secret)
2672         {
2673         BIGNUM *p = NULL;
2674         BIGNUM *g = NULL;
2675         BIGNUM *q = NULL;
2676         BIGNUM *bnsecret = BN_new();
2677         JPAKE_CTX *ctx;
2678
2679         /* Use a safe prime for p (that we found earlier) */
2680         BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2681         g = BN_new();
2682         BN_set_word(g, 2);
2683         q = BN_new();
2684         BN_rshift1(q, p);
2685
2686         BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2687
2688         ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2689         BN_free(bnsecret);
2690         BN_free(q);
2691         BN_free(g);
2692         BN_free(p);
2693
2694         return ctx;
2695         }
2696
2697 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2698         {
2699         BN_print(conn, p->gx);
2700         BIO_puts(conn, "\n");
2701         BN_print(conn, p->zkpx.gr);
2702         BIO_puts(conn, "\n");
2703         BN_print(conn, p->zkpx.b);
2704         BIO_puts(conn, "\n");
2705         }
2706
2707 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2708         {
2709         JPAKE_STEP1 s1;
2710
2711         JPAKE_STEP1_init(&s1);
2712         JPAKE_STEP1_generate(&s1, ctx);
2713         jpake_send_part(bconn, &s1.p1);
2714         jpake_send_part(bconn, &s1.p2);
2715         (void)BIO_flush(bconn);
2716         JPAKE_STEP1_release(&s1);
2717         }
2718
2719 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2720         {
2721         JPAKE_STEP2 s2;
2722
2723         JPAKE_STEP2_init(&s2);
2724         JPAKE_STEP2_generate(&s2, ctx);
2725         jpake_send_part(bconn, &s2);
2726         (void)BIO_flush(bconn);
2727         JPAKE_STEP2_release(&s2);
2728         }
2729
2730 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2731         {
2732         JPAKE_STEP3A s3a;
2733
2734         JPAKE_STEP3A_init(&s3a);
2735         JPAKE_STEP3A_generate(&s3a, ctx);
2736         BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2737         (void)BIO_flush(bconn);
2738         JPAKE_STEP3A_release(&s3a);
2739         }
2740
2741 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2742         {
2743         JPAKE_STEP3B s3b;
2744
2745         JPAKE_STEP3B_init(&s3b);
2746         JPAKE_STEP3B_generate(&s3b, ctx);
2747         BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2748         (void)BIO_flush(bconn);
2749         JPAKE_STEP3B_release(&s3b);
2750         }
2751
2752 static void readbn(BIGNUM **bn, BIO *bconn)
2753         {
2754         char buf[10240];
2755         int l;
2756
2757         l = BIO_gets(bconn, buf, sizeof buf);
2758         assert(l > 0);
2759         assert(buf[l-1] == '\n');
2760         buf[l-1] = '\0';
2761         BN_hex2bn(bn, buf);
2762         }
2763
2764 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2765         {
2766         readbn(&p->gx, bconn);
2767         readbn(&p->zkpx.gr, bconn);
2768         readbn(&p->zkpx.b, bconn);
2769         }
2770
2771 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2772         {
2773         JPAKE_STEP1 s1;
2774
2775         JPAKE_STEP1_init(&s1);
2776         jpake_receive_part(&s1.p1, bconn);
2777         jpake_receive_part(&s1.p2, bconn);
2778         if(!JPAKE_STEP1_process(ctx, &s1))
2779                 {
2780                 ERR_print_errors(bio_err);
2781                 exit(1);
2782                 }
2783         JPAKE_STEP1_release(&s1);
2784         }
2785
2786 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2787         {
2788         JPAKE_STEP2 s2;
2789
2790         JPAKE_STEP2_init(&s2);
2791         jpake_receive_part(&s2, bconn);
2792         if(!JPAKE_STEP2_process(ctx, &s2))
2793                 {
2794                 ERR_print_errors(bio_err);
2795                 exit(1);
2796                 }
2797         JPAKE_STEP2_release(&s2);
2798         }
2799
2800 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2801         {
2802         JPAKE_STEP3A s3a;
2803         int l;
2804
2805         JPAKE_STEP3A_init(&s3a);
2806         l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2807         assert(l == sizeof s3a.hhk);
2808         if(!JPAKE_STEP3A_process(ctx, &s3a))
2809                 {
2810                 ERR_print_errors(bio_err);
2811                 exit(1);
2812                 }
2813         JPAKE_STEP3A_release(&s3a);
2814         }
2815
2816 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2817         {
2818         JPAKE_STEP3B s3b;
2819         int l;
2820
2821         JPAKE_STEP3B_init(&s3b);
2822         l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2823         assert(l == sizeof s3b.hk);
2824         if(!JPAKE_STEP3B_process(ctx, &s3b))
2825                 {
2826                 ERR_print_errors(bio_err);
2827                 exit(1);
2828                 }
2829         JPAKE_STEP3B_release(&s3b);
2830         }
2831
2832 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2833         {
2834         JPAKE_CTX *ctx;
2835         BIO *bconn;
2836
2837         BIO_puts(out, "Authenticating with JPAKE\n");
2838
2839         ctx = jpake_init("client", "server", secret);
2840
2841         bconn = BIO_new(BIO_f_buffer());
2842         BIO_push(bconn, conn);
2843
2844         jpake_send_step1(bconn, ctx);
2845         jpake_receive_step1(ctx, bconn);
2846         jpake_send_step2(bconn, ctx);
2847         jpake_receive_step2(ctx, bconn);
2848         jpake_send_step3a(bconn, ctx);
2849         jpake_receive_step3b(ctx, bconn);
2850
2851         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2852
2853         if (psk_key)
2854                 OPENSSL_free(psk_key);
2855
2856         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2857
2858         BIO_pop(bconn);
2859         BIO_free(bconn);
2860
2861         JPAKE_CTX_free(ctx);
2862         }
2863
2864 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2865         {
2866         JPAKE_CTX *ctx;
2867         BIO *bconn;
2868
2869         BIO_puts(out, "Authenticating with JPAKE\n");
2870
2871         ctx = jpake_init("server", "client", secret);
2872
2873         bconn = BIO_new(BIO_f_buffer());
2874         BIO_push(bconn, conn);
2875
2876         jpake_receive_step1(ctx, bconn);
2877         jpake_send_step1(bconn, ctx);
2878         jpake_receive_step2(ctx, bconn);
2879         jpake_send_step2(bconn, ctx);
2880         jpake_receive_step3a(ctx, bconn);
2881         jpake_send_step3b(bconn, ctx);
2882
2883         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2884
2885         if (psk_key)
2886                 OPENSSL_free(psk_key);
2887
2888         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2889
2890         BIO_pop(bconn);
2891         BIO_free(bconn);
2892
2893         JPAKE_CTX_free(ctx);
2894         }
2895
2896 #endif
2897
2898 #ifndef OPENSSL_NO_TLSEXT
2899 /* next_protos_parse parses a comma separated list of strings into a string
2900  * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2901  *   outlen: (output) set to the length of the resulting buffer on success.
2902  *   err: (maybe NULL) on failure, an error message line is written to this BIO.
2903  *   in: a NUL termianted string like "abc,def,ghi"
2904  *
2905  *   returns: a malloced buffer or NULL on failure.
2906  */
2907 unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
2908         {
2909         size_t len;
2910         unsigned char *out;
2911         size_t i, start = 0;
2912
2913         len = strlen(in);
2914         if (len >= 65535)
2915                 return NULL;
2916
2917         out = OPENSSL_malloc(strlen(in) + 1);
2918         if (!out)
2919                 return NULL;
2920
2921         for (i = 0; i <= len; ++i)
2922                 {
2923                 if (i == len || in[i] == ',')
2924                         {
2925                         if (i - start > 255)
2926                                 {
2927                                 OPENSSL_free(out);
2928                                 return NULL;
2929                                 }
2930                         out[start] = i - start;
2931                         start = i + 1;
2932                         }
2933                 else
2934                         out[i+1] = in[i];
2935                 }
2936
2937         *outlen = len + 1;
2938         return out;
2939         }
2940 #endif  /* ndef OPENSSL_NO_TLSEXT */
2941
2942 void print_cert_checks(BIO *bio, X509 *x,
2943                                 const char *checkhost,
2944                                 const char *checkemail,
2945                                 const char *checkip)
2946         {
2947         if (x == NULL)
2948                 return;
2949         if (checkhost)
2950                 {
2951                 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2952                                 checkhost,
2953                                 X509_check_host(x, checkhost, 0, 0, NULL)
2954                                                 ? "" : " NOT");
2955                 }
2956
2957         if (checkemail)
2958                 {
2959                 BIO_printf(bio, "Email %s does%s match certificate\n",
2960                                 checkemail, X509_check_email(x, checkemail, 0,
2961                                                 0) ? "" : " NOT");
2962                 }
2963
2964         if (checkip)
2965                 {
2966                 BIO_printf(bio, "IP %s does%s match certificate\n",
2967                                 checkip, X509_check_ip_asc(x, checkip,
2968                                                 0) ? "" : " NOT");
2969                 }
2970         }
2971
2972 /* Get first http URL from a DIST_POINT structure */
2973
2974 static const char *get_dp_url(DIST_POINT *dp)
2975         {
2976         GENERAL_NAMES *gens;
2977         GENERAL_NAME *gen;
2978         int i, gtype;
2979         ASN1_STRING *uri;
2980         if (!dp->distpoint || dp->distpoint->type != 0)
2981                 return NULL;
2982         gens = dp->distpoint->name.fullname;
2983         for (i = 0; i < sk_GENERAL_NAME_num(gens); i++)
2984                 {
2985                 gen = sk_GENERAL_NAME_value(gens, i);
2986                 uri = GENERAL_NAME_get0_value(gen, &gtype);
2987                 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6)
2988                         {
2989                         char *uptr = (char *)ASN1_STRING_data(uri);
2990                         if (!strncmp(uptr, "http://", 7))
2991                                 return uptr;
2992                         }
2993                 }
2994         return NULL;
2995         }
2996
2997
2998 /* Look through a CRLDP structure and attempt to find an http URL to downloads
2999  * a CRL from.
3000  */
3001
3002 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
3003         {
3004         int i;
3005         const char *urlptr = NULL;
3006         for (i = 0; i < sk_DIST_POINT_num(crldp); i++)
3007                 {
3008                 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
3009                 urlptr = get_dp_url(dp);
3010                 if (urlptr)
3011                         return load_crl(urlptr, FORMAT_HTTP);
3012                 }
3013         return NULL;
3014         }
3015
3016 /* Example of downloading CRLs from CRLDP: not usable for real world
3017  * as it always downloads, doesn't support non-blocking I/O and doesn't
3018  * cache anything.
3019  */
3020
3021 static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
3022         {
3023         X509 *x;
3024         STACK_OF(X509_CRL) *crls = NULL;
3025         X509_CRL *crl;
3026         STACK_OF(DIST_POINT) *crldp;
3027         x = X509_STORE_CTX_get_current_cert(ctx);
3028         crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
3029         crl = load_crl_crldp(crldp);
3030         sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
3031         if (!crl)
3032                 return NULL;
3033         crls = sk_X509_CRL_new_null();
3034         sk_X509_CRL_push(crls, crl);
3035         /* Try to download delta CRL */
3036         crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
3037         crl = load_crl_crldp(crldp);
3038         sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
3039         if (crl)
3040                 sk_X509_CRL_push(crls, crl);
3041         return crls;
3042         }
3043
3044 void store_setup_crl_download(X509_STORE *st)
3045         {
3046         X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
3047         }
3048
3049 /*
3050  * Platform-specific sections
3051  */
3052 #if defined(_WIN32)
3053 # ifdef fileno
3054 #  undef fileno
3055 #  define fileno(a) (int)_fileno(a)
3056 # endif
3057
3058 # include <windows.h>
3059 # include <tchar.h>
3060
3061 static int WIN32_rename(const char *from, const char *to)
3062         {
3063         TCHAR  *tfrom=NULL,*tto;
3064         DWORD   err;
3065         int     ret=0;
3066
3067         if (sizeof(TCHAR) == 1)
3068                 {
3069                 tfrom = (TCHAR *)from;
3070                 tto   = (TCHAR *)to;
3071                 }
3072         else    /* UNICODE path */
3073                 {
3074                 size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
3075                 tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
3076                 if (tfrom==NULL) goto err;
3077                 tto=tfrom+flen;
3078 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3079                 if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
3080 #endif
3081                         for (i=0;i<flen;i++)    tfrom[i]=(TCHAR)from[i];
3082 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3083                 if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
3084 #endif
3085                         for (i=0;i<tlen;i++)    tto[i]  =(TCHAR)to[i];
3086                 }
3087
3088         if (MoveFile(tfrom,tto))        goto ok;
3089         err=GetLastError();
3090         if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
3091                 {
3092                 if (DeleteFile(tto) && MoveFile(tfrom,tto))
3093                         goto ok;
3094                 err=GetLastError();
3095                 }
3096         if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
3097                 errno = ENOENT;
3098         else if (err==ERROR_ACCESS_DENIED)
3099                 errno = EACCES;
3100         else
3101                 errno = EINVAL; /* we could map more codes... */
3102 err:
3103         ret=-1;
3104 ok:
3105         if (tfrom!=NULL && tfrom!=(TCHAR *)from)        free(tfrom);
3106         return ret;
3107         }
3108 #endif
3109
3110 /* app_tminterval section */
3111 #if defined(_WIN32)
3112 double app_tminterval(int stop,int usertime)
3113         {
3114         FILETIME                now;
3115         double                  ret=0;
3116         static ULARGE_INTEGER   tmstart;
3117         static int              warning=1;
3118 #ifdef _WIN32_WINNT
3119         static HANDLE           proc=NULL;
3120
3121         if (proc==NULL)
3122                 {
3123                 if (check_winnt())
3124                         proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
3125                                                 GetCurrentProcessId());
3126                 if (proc==NULL) proc = (HANDLE)-1;
3127                 }
3128
3129         if (usertime && proc!=(HANDLE)-1)
3130                 {
3131                 FILETIME junk;
3132                 GetProcessTimes(proc,&junk,&junk,&junk,&now);
3133                 }
3134         else
3135 #endif
3136                 {
3137                 SYSTEMTIME systime;
3138
3139                 if (usertime && warning)
3140                         {
3141                         BIO_printf(bio_err,"To get meaningful results, run "
3142                                            "this program on idle system.\n");
3143                         warning=0;
3144                         }
3145                 GetSystemTime(&systime);
3146                 SystemTimeToFileTime(&systime,&now);
3147                 }
3148
3149         if (stop==TM_START)
3150                 {
3151                 tmstart.u.LowPart  = now.dwLowDateTime;
3152                 tmstart.u.HighPart = now.dwHighDateTime;
3153                 }
3154         else    {
3155                 ULARGE_INTEGER tmstop;
3156
3157                 tmstop.u.LowPart   = now.dwLowDateTime;
3158                 tmstop.u.HighPart  = now.dwHighDateTime;
3159
3160                 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
3161                 }
3162
3163         return (ret);
3164         }
3165
3166 #elif defined(OPENSSL_SYS_NETWARE)
3167 #include <time.h>
3168
3169 double app_tminterval(int stop,int usertime)
3170         {
3171         double          ret=0;
3172         static clock_t  tmstart;
3173         static int      warning=1;
3174
3175         if (usertime && warning)
3176                 {
3177                 BIO_printf(bio_err,"To get meaningful results, run "
3178                                    "this program on idle system.\n");
3179                 warning=0;
3180                 }
3181
3182         if (stop==TM_START)     tmstart = clock();
3183         else                    ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
3184
3185         return (ret);
3186         }
3187
3188 #elif defined(OPENSSL_SYSTEM_VXWORKS)
3189 #include <time.h>
3190
3191 double app_tminterval(int stop,int usertime)
3192         {
3193         double ret=0;
3194 #ifdef CLOCK_REALTIME
3195         static struct timespec  tmstart;
3196         struct timespec         now;
3197 #else
3198         static unsigned long    tmstart;
3199         unsigned long           now;
3200 #endif
3201         static int warning=1;
3202
3203         if (usertime && warning)
3204                 {
3205                 BIO_printf(bio_err,"To get meaningful results, run "
3206                                    "this program on idle system.\n");
3207                 warning=0;
3208                 }
3209
3210 #ifdef CLOCK_REALTIME
3211         clock_gettime(CLOCK_REALTIME,&now);
3212         if (stop==TM_START)     tmstart = now;
3213         else    ret = ( (now.tv_sec+now.tv_nsec*1e-9)
3214                         - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
3215 #else
3216         now = tickGet();
3217         if (stop==TM_START)     tmstart = now;
3218         else                    ret = (now - tmstart)/(double)sysClkRateGet();
3219 #endif
3220         return (ret);
3221         }
3222
3223 #elif defined(OPENSSL_SYSTEM_VMS)
3224 #include <time.h>
3225 #include <times.h>
3226
3227 double app_tminterval(int stop,int usertime)
3228         {
3229         static clock_t  tmstart;
3230         double          ret = 0;
3231         clock_t         now;
3232 #ifdef __TMS
3233         struct tms      rus;
3234
3235         now = times(&rus);
3236         if (usertime)   now = rus.tms_utime;
3237 #else
3238         if (usertime)
3239                 now = clock(); /* sum of user and kernel times */
3240         else    {
3241                 struct timeval tv;
3242                 gettimeofday(&tv,NULL);
3243                 now = (clock_t)(
3244                         (unsigned long long)tv.tv_sec*CLK_TCK +
3245                         (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
3246                         );
3247                 }
3248 #endif
3249         if (stop==TM_START)     tmstart = now;
3250         else                    ret = (now - tmstart)/(double)(CLK_TCK);
3251
3252         return (ret);
3253         }
3254
3255 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
3256 #include <sys/times.h>
3257
3258 double app_tminterval(int stop,int usertime)
3259         {
3260         double          ret = 0;
3261         struct tms      rus;
3262         clock_t         now = times(&rus);
3263         static clock_t  tmstart;
3264
3265         if (usertime)           now = rus.tms_utime;
3266
3267         if (stop==TM_START)     tmstart = now;
3268         else
3269                 {
3270                 long int tck = sysconf(_SC_CLK_TCK);
3271                 ret = (now - tmstart)/(double)tck;
3272                 }
3273
3274         return (ret);
3275         }
3276
3277 #else
3278 #include <sys/time.h>
3279 #include <sys/resource.h>
3280
3281 double app_tminterval(int stop,int usertime)
3282         {
3283         double          ret = 0;
3284         struct rusage   rus;
3285         struct timeval  now;
3286         static struct timeval tmstart;
3287
3288         if (usertime)           getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
3289         else                    gettimeofday(&now,NULL);
3290
3291         if (stop==TM_START)     tmstart = now;
3292         else                    ret = ( (now.tv_sec+now.tv_usec*1e-6)
3293                                         - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
3294
3295         return ret;
3296         }
3297 #endif
3298
3299 /* app_isdir section */
3300 #ifdef _WIN32
3301 int app_isdir(const char *name)
3302         {
3303         HANDLE          hList;
3304         WIN32_FIND_DATA FileData;
3305 #if defined(UNICODE) || defined(_UNICODE)
3306         size_t i, len_0 = strlen(name)+1;
3307
3308         if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
3309                 return -1;
3310
3311 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3312         if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
3313 #endif
3314                 for (i=0;i<len_0;i++)
3315                         FileData.cFileName[i] = (WCHAR)name[i];
3316
3317         hList = FindFirstFile(FileData.cFileName,&FileData);
3318 #else
3319         hList = FindFirstFile(name,&FileData);
3320 #endif
3321         if (hList == INVALID_HANDLE_VALUE)      return -1;
3322         FindClose(hList);
3323         return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
3324         }
3325 #else
3326 #include <sys/stat.h>
3327 #ifndef S_ISDIR
3328 # if defined(_S_IFMT) && defined(_S_IFDIR)
3329 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
3330 # else
3331 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
3332 # endif
3333 #endif
3334
3335 int app_isdir(const char *name)
3336         {
3337 #if defined(S_ISDIR)
3338         struct stat st;
3339
3340         if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
3341         else                    return -1;
3342 #else
3343         return -1;
3344 #endif
3345         }
3346 #endif
3347
3348 /* raw_read|write section */
3349 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
3350 int raw_read_stdin(void *buf,int siz)
3351         {
3352         DWORD n;
3353         if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
3354                 return (n);
3355         else    return (-1);
3356         }
3357 #else
3358 int raw_read_stdin(void *buf,int siz)
3359         {       return read(fileno(stdin),buf,siz);     }
3360 #endif
3361
3362 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3363 int raw_write_stdout(const void *buf,int siz)
3364         {
3365         DWORD n;
3366         if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
3367                 return (n);
3368         else    return (-1);
3369         }
3370 #else
3371 int raw_write_stdout(const void *buf,int siz)
3372         {       return write(fileno(stdout),buf,siz);   }
3373 #endif