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 #ifndef _POSIX_C_SOURCE
 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(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 == 'D') || (*s == 'd'))
 261                 return(FORMAT_ASN1);
 262         else if ((*s == 'T') || (*s == 't'))
 263                 return(FORMAT_TEXT);
 264         else if ((*s == 'N') || (*s == 'n'))
 265                 return(FORMAT_NETSCAPE);
 266         else if ((*s == 'S') || (*s == 's'))
 267                 return(FORMAT_SMIME);
 268         else if ((*s == 'M') || (*s == 'm'))
 269                 return(FORMAT_MSBLOB);
 270         else if ((*s == '1')
 271                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 272                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 273                 return(FORMAT_PKCS12);
 274         else if ((*s == 'E') || (*s == 'e'))
 275                 return(FORMAT_ENGINE);
 276         else if ((*s == 'P') || (*s == 'p'))
 277                 {
 278                 if (s[1] == 'V' || s[1] == 'v')
 279                         return FORMAT_PVK;
 280                 else
 281                         return(FORMAT_PEM);
 282                 }
 283         else
 284                 return(FORMAT_UNDEF);
 285         }
 286
 287 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 288 void program_name(char *in, char *out, int size)
 289         {
 290         int i,n;
 291         char *p=NULL;
 292
 293         n=strlen(in);
 294         /* find the last '/', '\' or ':' */
 295         for (i=n-1; i>0; i--)
 296                 {
 297                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 298                         {
 299                         p= &(in[i+1]);
 300                         break;
 301                         }
 302                 }
 303         if (p == NULL)
 304                 p=in;
 305         n=strlen(p);
 306
 307 #if defined(OPENSSL_SYS_NETWARE)
 308    /* strip off trailing .nlm if present. */
 309    if ((n > 4) && (p[n-4] == '.') &&
 310       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 311       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 312       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 313       n-=4;
 314 #else
 315         /* strip off trailing .exe if present. */
 316         if ((n > 4) && (p[n-4] == '.') &&
 317                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 318                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 319                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 320                 n-=4;
 321 #endif
 322
 323         if (n > size-1)
 324                 n=size-1;
 325
 326         for (i=0; i<n; i++)
 327                 {
 328                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 329                         out[i]=p[i]-'A'+'a';
 330                 else
 331                         out[i]=p[i];
 332                 }
 333         out[n]='\0';
 334         }
 335 #else
 336 #ifdef OPENSSL_SYS_VMS
 337 void program_name(char *in, char *out, int size)
 338         {
 339         char *p=in, *q;
 340         char *chars=":]>";
 341
 342         while(*chars != '\0')
 343                 {
 344                 q=strrchr(p,*chars);
 345                 if (q > p)
 346                         p = q + 1;
 347                 chars++;
 348                 }
 349
 350         q=strrchr(p,'.');
 351         if (q == NULL)
 352                 q = p + strlen(p);
 353         strncpy(out,p,size-1);
 354         if (q-p >= size)
 355                 {
 356                 out[size-1]='\0';
 357                 }
 358         else
 359                 {
 360                 out[q-p]='\0';
 361                 }
 362         }
 363 #else
 364 void program_name(char *in, char *out, int size)
 365         {
 366         char *p;
 367
 368         p=strrchr(in,'/');
 369         if (p != NULL)
 370                 p++;
 371         else
 372                 p=in;
 373         BUF_strlcpy(out,p,size);
 374         }
 375 #endif
 376 #endif
 377
 378 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 379         {
 380         int num,len,i;
 381         char *p;
 382
 383         *argc=0;
 384         *argv=NULL;
 385
 386         len=strlen(buf);
 387         i=0;
 388         if (arg->count == 0)
 389                 {
 390                 arg->count=20;
 391                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 392                 }
 393         for (i=0; i<arg->count; i++)
 394                 arg->data[i]=NULL;
 395
 396         num=0;
 397         p=buf;
 398         for (;;)
 399                 {
 400                 /* first scan over white space */
 401                 if (!*p) break;
 402                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 403                         p++;
 404                 if (!*p) break;
 405
 406                 /* The start of something good :-) */
 407                 if (num >= arg->count)
 408                         {
 409                         char **tmp_p;
 410                         int tlen = arg->count + 20;
 411                         tmp_p = (char **)OPENSSL_realloc(arg->data,
 412                                 sizeof(char *)*tlen);
 413                         if (tmp_p == NULL)
 414                                 return 0;
 415                         arg->data  = tmp_p;
 416                         arg->count = tlen;
 417                         /* initialize newly allocated data */
 418                         for (i = num; i < arg->count; i++)
 419                                 arg->data[i] = NULL;
 420                         }
 421                 arg->data[num++]=p;
 422
 423                 /* now look for the end of this */
 424                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 425                         {
 426                         i= *(p++);
 427                         arg->data[num-1]++; /* jump over quote */
 428                         while (*p && (*p != i))
 429                                 p++;
 430                         *p='\0';
 431                         }
 432                 else
 433                         {
 434                         while (*p && ((*p != ' ') &&
 435                                 (*p != '\t') && (*p != '\n')))
 436                                 p++;
 437
 438                         if (*p == '\0')
 439                                 p--;
 440                         else
 441                                 *p='\0';
 442                         }
 443                 p++;
 444                 }
 445         *argc=num;
 446         *argv=arg->data;
 447         return(1);
 448         }
 449
 450 #ifndef APP_INIT
 451 int app_init(long mesgwin)
 452         {
 453         return(1);
 454         }
 455 #endif
 456
 457
 458 int dump_cert_text (BIO *out, X509 *x)
 459 {
 460         char *p;
 461
 462         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 463         BIO_puts(out,"subject=");
 464         BIO_puts(out,p);
 465         OPENSSL_free(p);
 466
 467         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 468         BIO_puts(out,"\nissuer=");
 469         BIO_puts(out,p);
 470         BIO_puts(out,"\n");
 471         OPENSSL_free(p);
 472
 473         return 0;
 474 }
 475
 476 static int ui_open(UI *ui)
 477         {
 478         return UI_method_get_opener(UI_OpenSSL())(ui);
 479         }
 480 static int ui_read(UI *ui, UI_STRING *uis)
 481         {
 482         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 483                 && UI_get0_user_data(ui))
 484                 {
 485                 switch(UI_get_string_type(uis))
 486                         {
 487                 case UIT_PROMPT:
 488                 case UIT_VERIFY:
 489                         {
 490                         const char *password =
 491                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 492                         if (password && password[0] != '\0')
 493                                 {
 494                                 UI_set_result(ui, uis, password);
 495                                 return 1;
 496                                 }
 497                         }
 498                 default:
 499                         break;
 500                         }
 501                 }
 502         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 503         }
 504 static int ui_write(UI *ui, UI_STRING *uis)
 505         {
 506         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 507                 && UI_get0_user_data(ui))
 508                 {
 509                 switch(UI_get_string_type(uis))
 510                         {
 511                 case UIT_PROMPT:
 512                 case UIT_VERIFY:
 513                         {
 514                         const char *password =
 515                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 516                         if (password && password[0] != '\0')
 517                                 return 1;
 518                         }
 519                 default:
 520                         break;
 521                         }
 522                 }
 523         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 524         }
 525 static int ui_close(UI *ui)
 526         {
 527         return UI_method_get_closer(UI_OpenSSL())(ui);
 528         }
 529 int setup_ui_method(void)
 530         {
 531         ui_method = UI_create_method("OpenSSL application user interface");
 532         UI_method_set_opener(ui_method, ui_open);
 533         UI_method_set_reader(ui_method, ui_read);
 534         UI_method_set_writer(ui_method, ui_write);
 535         UI_method_set_closer(ui_method, ui_close);
 536         return 0;
 537         }
 538 void destroy_ui_method(void)
 539         {
 540         if(ui_method)
 541                 {
 542                 UI_destroy_method(ui_method);
 543                 ui_method = NULL;
 544                 }
 545         }
 546 int password_callback(char *buf, int bufsiz, int verify,
 547         PW_CB_DATA *cb_tmp)
 548         {
 549         UI *ui = NULL;
 550         int res = 0;
 551         const char *prompt_info = NULL;
 552         const char *password = NULL;
 553         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 554
 555         if (cb_data)
 556                 {
 557                 if (cb_data->password)
 558                         password = cb_data->password;
 559                 if (cb_data->prompt_info)
 560                         prompt_info = cb_data->prompt_info;
 561                 }
 562
 563         if (password)
 564                 {
 565                 res = strlen(password);
 566                 if (res > bufsiz)
 567                         res = bufsiz;
 568                 memcpy(buf, password, res);
 569                 return res;
 570                 }
 571
 572         ui = UI_new_method(ui_method);
 573         if (ui)
 574                 {
 575                 int ok = 0;
 576                 char *buff = NULL;
 577                 int ui_flags = 0;
 578                 char *prompt = NULL;
 579
 580                 prompt = UI_construct_prompt(ui, "pass phrase",
 581                         prompt_info);
 582
 583                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 584                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 585
 586                 if (ok >= 0)
 587                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 588                                 PW_MIN_LENGTH,BUFSIZ-1);
 589                 if (ok >= 0 && verify)
 590                         {
 591                         buff = (char *)OPENSSL_malloc(bufsiz);
 592                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 593                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 594                         }
 595                 if (ok >= 0)
 596                         do
 597                                 {
 598                                 ok = UI_process(ui);
 599                                 }
 600                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 601
 602                 if (buff)
 603                         {
 604                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 605                         OPENSSL_free(buff);
 606                         }
 607
 608                 if (ok >= 0)
 609                         res = strlen(buf);
 610                 if (ok == -1)
 611                         {
 612                         BIO_printf(bio_err, "User interface error\n");
 613                         ERR_print_errors(bio_err);
 614                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 615                         res = 0;
 616                         }
 617                 if (ok == -2)
 618                         {
 619                         BIO_printf(bio_err,"aborted!\n");
 620                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 621                         res = 0;
 622                         }
 623                 UI_free(ui);
 624                 OPENSSL_free(prompt);
 625                 }
 626         return res;
 627         }
 628
 629 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 630
 631 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 632 {
 633         int same;
 634         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 635         else same = 1;
 636         if(arg1) {
 637                 *pass1 = app_get_pass(err, arg1, same);
 638                 if(!*pass1) return 0;
 639         } else if(pass1) *pass1 = NULL;
 640         if(arg2) {
 641                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 642                 if(!*pass2) return 0;
 643         } else if(pass2) *pass2 = NULL;
 644         return 1;
 645 }
 646
 647 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 648 {
 649         char *tmp, tpass[APP_PASS_LEN];
 650         static BIO *pwdbio = NULL;
 651         int i;
 652         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 653         if(!strncmp(arg, "env:", 4)) {
 654                 tmp = getenv(arg + 4);
 655                 if(!tmp) {
 656                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 657                         return NULL;
 658                 }
 659                 return BUF_strdup(tmp);
 660         }
 661         if(!keepbio || !pwdbio) {
 662                 if(!strncmp(arg, "file:", 5)) {
 663                         pwdbio = BIO_new_file(arg + 5, "r");
 664                         if(!pwdbio) {
 665                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 666                                 return NULL;
 667                         }
 668 #if !defined(_WIN32)
 669                 /*
 670                  * Under _WIN32, which covers even Win64 and CE, file
 671                  * descriptors referenced by BIO_s_fd are not inherited
 672                  * by child process and therefore below is not an option.
 673                  * It could have been an option if bss_fd.c was operating
 674                  * on real Windows descriptors, such as those obtained
 675                  * with CreateFile.
 676                  */
 677                 } else if(!strncmp(arg, "fd:", 3)) {
 678                         BIO *btmp;
 679                         i = atoi(arg + 3);
 680                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 681                         if((i < 0) || !pwdbio) {
 682                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 683                                 return NULL;
 684                         }
 685                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 686                         btmp = BIO_new(BIO_f_buffer());
 687                         pwdbio = BIO_push(btmp, pwdbio);
 688 #endif
 689                 } else if(!strcmp(arg, "stdin")) {
 690                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 691                         if(!pwdbio) {
 692                                 BIO_printf(err, "Can't open BIO for stdin\n");
 693                                 return NULL;
 694                         }
 695                 } else {
 696                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 697                         return NULL;
 698                 }
 699         }
 700         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 701         if(keepbio != 1) {
 702                 BIO_free_all(pwdbio);
 703                 pwdbio = NULL;
 704         }
 705         if(i <= 0) {
 706                 BIO_printf(err, "Error reading password from BIO\n");
 707                 return NULL;
 708         }
 709         tmp = strchr(tpass, '\n');
 710         if(tmp) *tmp = 0;
 711         return BUF_strdup(tpass);
 712 }
 713
 714 int add_oid_section(BIO *err, CONF *conf)
 715 {
 716         char *p;
 717         STACK_OF(CONF_VALUE) *sktmp;
 718         CONF_VALUE *cnf;
 719         int i;
 720         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 721                 {
 722                 ERR_clear_error();
 723                 return 1;
 724                 }
 725         if(!(sktmp = NCONF_get_section(conf, p))) {
 726                 BIO_printf(err, "problem loading oid section %s\n", p);
 727                 return 0;
 728         }
 729         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 730                 cnf = sk_CONF_VALUE_value(sktmp, i);
 731                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 732                         BIO_printf(err, "problem creating object %s=%s\n",
 733                                                          cnf->name, cnf->value);
 734                         return 0;
 735                 }
 736         }
 737         return 1;
 738 }
 739
 740 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 741                 pem_password_cb *pem_cb,  void *cb_data,
 742                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 743         {
 744         const char *pass;
 745         char tpass[PEM_BUFSIZE];
 746         int len, ret = 0;
 747         PKCS12 *p12;
 748         p12 = d2i_PKCS12_bio(in, NULL);
 749         if (p12 == NULL)
 750                 {
 751                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 752                 goto die;
 753                 }
 754         /* See if an empty password will do */
 755         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 756                 pass = "";
 757         else
 758                 {
 759                 if (!pem_cb)
 760                         pem_cb = (pem_password_cb *)password_callback;
 761                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 762                 if (len < 0)
 763                         {
 764                         BIO_printf(err, "Passpharse callback error for %s\n",
 765                                         desc);
 766                         goto die;
 767                         }
 768                 if (len < PEM_BUFSIZE)
 769                         tpass[len] = 0;
 770                 if (!PKCS12_verify_mac(p12, tpass, len))
 771                         {
 772                         BIO_printf(err,
 773         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 774                         goto die;
 775                         }
 776                 pass = tpass;
 777                 }
 778         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 779         die:
 780         if (p12)
 781                 PKCS12_free(p12);
 782         return ret;
 783         }
 784
 785 X509 *load_cert(BIO *err, const char *file, int format,
 786         const char *pass, ENGINE *e, const char *cert_descrip)
 787         {
 788         X509 *x=NULL;
 789         BIO *cert;
 790
 791         if ((cert=BIO_new(BIO_s_file())) == NULL)
 792                 {
 793                 ERR_print_errors(err);
 794                 goto end;
 795                 }
 796
 797         if (file == NULL)
 798                 {
 799 #ifdef _IONBF
 800                 setvbuf(stdin, NULL, _IONBF, 0);
 801 #endif
 802                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 803                 }
 804         else
 805                 {
 806                 if (BIO_read_filename(cert,file) <= 0)
 807                         {
 808                         BIO_printf(err, "Error opening %s %s\n",
 809                                 cert_descrip, file);
 810                         ERR_print_errors(err);
 811                         goto end;
 812                         }
 813                 }
 814
 815         if      (format == FORMAT_ASN1)
 816                 x=d2i_X509_bio(cert,NULL);
 817         else if (format == FORMAT_NETSCAPE)
 818                 {
 819                 NETSCAPE_X509 *nx;
 820                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
 821                 if (nx == NULL)
 822                                 goto end;
 823
 824                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
 825                         nx->header->length) != 0))
 826                         {
 827                         NETSCAPE_X509_free(nx);
 828                         BIO_printf(err,"Error reading header on certificate\n");
 829                         goto end;
 830                         }
 831                 x=nx->cert;
 832                 nx->cert = NULL;
 833                 NETSCAPE_X509_free(nx);
 834                 }
 835         else if (format == FORMAT_PEM)
 836                 x=PEM_read_bio_X509_AUX(cert,NULL,
 837                         (pem_password_cb *)password_callback, NULL);
 838         else if (format == FORMAT_PKCS12)
 839                 {
 840                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 841                                         NULL, &x, NULL))
 842                         goto end;
 843                 }
 844         else    {
 845                 BIO_printf(err,"bad input format specified for %s\n",
 846                         cert_descrip);
 847                 goto end;
 848                 }
 849 end:
 850         if (x == NULL)
 851                 {
 852                 BIO_printf(err,"unable to load certificate\n");
 853                 ERR_print_errors(err);
 854                 }
 855         if (cert != NULL) BIO_free(cert);
 856         return(x);
 857         }
 858
 859 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 860         const char *pass, ENGINE *e, const char *key_descrip)
 861         {
 862         BIO *key=NULL;
 863         EVP_PKEY *pkey=NULL;
 864         PW_CB_DATA cb_data;
 865
 866         cb_data.password = pass;
 867         cb_data.prompt_info = file;
 868
 869         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 870                 {
 871                 BIO_printf(err,"no keyfile specified\n");
 872                 goto end;
 873                 }
 874 #ifndef OPENSSL_NO_ENGINE
 875         if (format == FORMAT_ENGINE)
 876                 {
 877                 if (!e)
 878                         BIO_printf(err,"no engine specified\n");
 879                 else
 880                         {
 881                         pkey = ENGINE_load_private_key(e, file,
 882                                 ui_method, &cb_data);
 883                         if (!pkey)
 884                                 {
 885                                 BIO_printf(err,"cannot load %s from engine\n",key_descrip);
 886                                 ERR_print_errors(err);
 887                                 }
 888                         }
 889                 goto end;
 890                 }
 891 #endif
 892         key=BIO_new(BIO_s_file());
 893         if (key == NULL)
 894                 {
 895                 ERR_print_errors(err);
 896                 goto end;
 897                 }
 898         if (file == NULL && maybe_stdin)
 899                 {
 900 #ifdef _IONBF
 901                 setvbuf(stdin, NULL, _IONBF, 0);
 902 #endif
 903                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 904                 }
 905         else
 906                 if (BIO_read_filename(key,file) <= 0)
 907                         {
 908                         BIO_printf(err, "Error opening %s %s\n",
 909                                 key_descrip, file);
 910                         ERR_print_errors(err);
 911                         goto end;
 912                         }
 913         if (format == FORMAT_ASN1)
 914                 {
 915                 pkey=d2i_PrivateKey_bio(key, NULL);
 916                 }
 917         else if (format == FORMAT_PEM)
 918                 {
 919                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 920                         (pem_password_cb *)password_callback, &cb_data);
 921                 }
 922 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 923         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 924                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 925 #endif
 926         else if (format == FORMAT_PKCS12)
 927                 {
 928                 if (!load_pkcs12(err, key, key_descrip,
 929                                 (pem_password_cb *)password_callback, &cb_data,
 930                                 &pkey, NULL, NULL))
 931                         goto end;
 932                 }
 933 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
 934         else if (format == FORMAT_MSBLOB)
 935                 pkey = b2i_PrivateKey_bio(key);
 936         else if (format == FORMAT_PVK)
 937                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
 938                                                                 &cb_data);
 939 #endif
 940         else
 941                 {
 942                 BIO_printf(err,"bad input format specified for key file\n");
 943                 goto end;
 944                 }
 945  end:
 946         if (key != NULL) BIO_free(key);
 947         if (pkey == NULL)
 948                 {
 949                 BIO_printf(err,"unable to load %s\n", key_descrip);
 950                 ERR_print_errors(err);
 951                 }
 952         return(pkey);
 953         }
 954
 955 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 956         const char *pass, ENGINE *e, const char *key_descrip)
 957         {
 958         BIO *key=NULL;
 959         EVP_PKEY *pkey=NULL;
 960         PW_CB_DATA cb_data;
 961
 962         cb_data.password = pass;
 963         cb_data.prompt_info = file;
 964
 965         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 966                 {
 967                 BIO_printf(err,"no keyfile specified\n");
 968                 goto end;
 969                 }
 970 #ifndef OPENSSL_NO_ENGINE
 971         if (format == FORMAT_ENGINE)
 972                 {
 973                 if (!e)
 974                         BIO_printf(bio_err,"no engine specified\n");
 975                 else
 976                         pkey = ENGINE_load_public_key(e, file,
 977                                 ui_method, &cb_data);
 978                 goto end;
 979                 }
 980 #endif
 981         key=BIO_new(BIO_s_file());
 982         if (key == NULL)
 983                 {
 984                 ERR_print_errors(err);
 985                 goto end;
 986                 }
 987         if (file == NULL && maybe_stdin)
 988                 {
 989 #ifdef _IONBF
 990                 setvbuf(stdin, NULL, _IONBF, 0);
 991 #endif
 992                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 993                 }
 994         else
 995                 if (BIO_read_filename(key,file) <= 0)
 996                         {
 997                         BIO_printf(err, "Error opening %s %s\n",
 998                                 key_descrip, file);
 999                         ERR_print_errors(err);
1000                         goto end;
1001                 }
1002         if (format == FORMAT_ASN1)
1003                 {
1004                 pkey=d2i_PUBKEY_bio(key, NULL);
1005                 }
1006 #ifndef OPENSSL_NO_RSA
1007         else if (format == FORMAT_ASN1RSA)
1008                 {
1009                 RSA *rsa;
1010                 rsa = d2i_RSAPublicKey_bio(key, NULL);
1011                 if (rsa)
1012                         {
1013                         pkey = EVP_PKEY_new();
1014                         if (pkey)
1015                                 EVP_PKEY_set1_RSA(pkey, rsa);
1016                         RSA_free(rsa);
1017                         }
1018                 else
1019                         pkey = NULL;
1020                 }
1021         else if (format == FORMAT_PEMRSA)
1022                 {
1023                 RSA *rsa;
1024                 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1025                         (pem_password_cb *)password_callback, &cb_data);
1026                 if (rsa)
1027                         {
1028                         pkey = EVP_PKEY_new();
1029                         if (pkey)
1030                                 EVP_PKEY_set1_RSA(pkey, rsa);
1031                         RSA_free(rsa);
1032                         }
1033                 else
1034                         pkey = NULL;
1035                 }
1036 #endif
1037         else if (format == FORMAT_PEM)
1038                 {
1039                 pkey=PEM_read_bio_PUBKEY(key,NULL,
1040                         (pem_password_cb *)password_callback, &cb_data);
1041                 }
1042 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1043         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1044                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1045 #endif
1046 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1047         else if (format == FORMAT_MSBLOB)
1048                 pkey = b2i_PublicKey_bio(key);
1049 #endif
1050         else
1051                 {
1052                 BIO_printf(err,"bad input format specified for key file\n");
1053                 goto end;
1054                 }
1055  end:
1056         if (key != NULL) BIO_free(key);
1057         if (pkey == NULL)
1058                 BIO_printf(err,"unable to load %s\n", key_descrip);
1059         return(pkey);
1060         }
1061
1062 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1063 static EVP_PKEY *
1064 load_netscape_key(BIO *err, BIO *key, const char *file,
1065                 const char *key_descrip, int format)
1066         {
1067         EVP_PKEY *pkey;
1068         BUF_MEM *buf;
1069         RSA     *rsa;
1070         const unsigned char *p;
1071         int size, i;
1072
1073         buf=BUF_MEM_new();
1074         pkey = EVP_PKEY_new();
1075         size = 0;
1076         if (buf == NULL || pkey == NULL)
1077                 goto error;
1078         for (;;)
1079                 {
1080                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1081                         goto error;
1082                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1083                 size += i;
1084                 if (i == 0)
1085                         break;
1086                 if (i < 0)
1087                         {
1088                                 BIO_printf(err, "Error reading %s %s",
1089                                         key_descrip, file);
1090                                 goto error;
1091                         }
1092                 }
1093         p=(unsigned char *)buf->data;
1094         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1095                 (format == FORMAT_IISSGC ? 1 : 0));
1096         if (rsa == NULL)
1097                 goto error;
1098         BUF_MEM_free(buf);
1099         EVP_PKEY_set1_RSA(pkey, rsa);
1100         return pkey;
1101 error:
1102         BUF_MEM_free(buf);
1103         EVP_PKEY_free(pkey);
1104         return NULL;
1105         }
1106 #endif /* ndef OPENSSL_NO_RC4 */
1107
1108 static int load_certs_crls(BIO *err, const char *file, int format,
1109         const char *pass, ENGINE *e, const char *desc,
1110         STACK_OF(X509) **pcerts, STACK_OF(X509_CRL) **pcrls)
1111         {
1112         int i;
1113         BIO *bio;
1114         STACK_OF(X509_INFO) *xis = NULL;
1115         X509_INFO *xi;
1116         PW_CB_DATA cb_data;
1117         int rv = 0;
1118
1119         cb_data.password = pass;
1120         cb_data.prompt_info = file;
1121
1122         if (format != FORMAT_PEM)
1123                 {
1124                 BIO_printf(err,"bad input format specified for %s\n", desc);
1125                 return 0;
1126                 }
1127
1128         if (file == NULL)
1129                 bio = BIO_new_fp(stdin,BIO_NOCLOSE);
1130         else
1131                 bio = BIO_new_file(file, "r");
1132
1133         if (bio == NULL)
1134                 {
1135                 BIO_printf(err, "Error opening %s %s\n",
1136                                 desc, file ? file : "stdin");
1137                 ERR_print_errors(err);
1138                 return 0;
1139                 }
1140
1141         xis = PEM_X509_INFO_read_bio(bio, NULL,
1142                                 (pem_password_cb *)password_callback, &cb_data);
1143
1144         BIO_free(bio);
1145
1146         if (pcerts)
1147                 {
1148                 *pcerts = sk_X509_new_null();
1149                 if (!*pcerts)
1150                         goto end;
1151                 }
1152
1153         if (pcrls)
1154                 {
1155                 *pcrls = sk_X509_CRL_new_null();
1156                 if (!*pcrls)
1157                         goto end;
1158                 }
1159
1160         for(i = 0; i < sk_X509_INFO_num(xis); i++)
1161                 {
1162                 xi = sk_X509_INFO_value (xis, i);
1163                 if (xi->x509 && pcerts)
1164                         {
1165                         if (!sk_X509_push(*pcerts, xi->x509))
1166                                 goto end;
1167                         xi->x509 = NULL;
1168                         }
1169                 if (xi->crl && pcrls)
1170                         {
1171                         if (!sk_X509_CRL_push(*pcrls, xi->crl))
1172                                 goto end;
1173                         xi->crl = NULL;
1174                         }
1175                 }
1176
1177         if (pcerts && sk_X509_num(*pcerts) > 0)
1178                 rv = 1;
1179
1180         if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1181                 rv = 1;
1182
1183         end:
1184
1185         if (xis)
1186                 sk_X509_INFO_pop_free(xis, X509_INFO_free);
1187
1188         if (rv == 0)
1189                 {
1190                 if (pcerts)
1191                         {
1192                         sk_X509_pop_free(*pcerts, X509_free);
1193                         *pcerts = NULL;
1194                         }
1195                 if (pcrls)
1196                         {
1197                         sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1198                         *pcrls = NULL;
1199                         }
1200                 BIO_printf(err,"unable to load %s\n",
1201                                 pcerts ? "certificates" : "CRLs");
1202                 ERR_print_errors(err);
1203                 }
1204         return rv;
1205         }
1206
1207 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1208         const char *pass, ENGINE *e, const char *desc)
1209         {
1210         STACK_OF(X509) *certs;
1211         load_certs_crls(err, file, format, pass, e, desc, &certs, NULL);
1212         return certs;
1213         }
1214
1215 STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1216         const char *pass, ENGINE *e, const char *desc)
1217         {
1218         STACK_OF(X509_CRL) *crls;
1219         load_certs_crls(err, file, format, pass, e, desc, NULL, &crls);
1220         return crls;
1221         }
1222
1223 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1224 /* Return error for unknown extensions */
1225 #define X509V3_EXT_DEFAULT              0
1226 /* Print error for unknown extensions */
1227 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1228 /* ASN1 parse unknown extensions */
1229 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1230 /* BIO_dump unknown extensions */
1231 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1232
1233 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1234                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1235
1236 int set_cert_ex(unsigned long *flags, const char *arg)
1237 {
1238         static const NAME_EX_TBL cert_tbl[] = {
1239                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1240                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1241                 { "no_header", X509_FLAG_NO_HEADER, 0},
1242                 { "no_version", X509_FLAG_NO_VERSION, 0},
1243                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1244                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1245                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1246                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1247                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1248                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1249                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1250                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1251                 { "no_aux", X509_FLAG_NO_AUX, 0},
1252                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1253                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1254                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1255                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1256                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1257                 { NULL, 0, 0}
1258         };
1259         return set_multi_opts(flags, arg, cert_tbl);
1260 }
1261
1262 int set_name_ex(unsigned long *flags, const char *arg)
1263 {
1264         static const NAME_EX_TBL ex_tbl[] = {
1265                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1266                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1267                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1268                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1269                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1270                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1271                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1272                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1273                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1274                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1275                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1276                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1277                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1278                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1279                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1280                 { "dn_rev", XN_FLAG_DN_REV, 0},
1281                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1282                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1283                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1284                 { "align", XN_FLAG_FN_ALIGN, 0},
1285                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1286                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1287                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1288                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1289                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1290                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1291                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1292                 { NULL, 0, 0}
1293         };
1294         return set_multi_opts(flags, arg, ex_tbl);
1295 }
1296
1297 int set_ext_copy(int *copy_type, const char *arg)
1298 {
1299         if (!strcasecmp(arg, "none"))
1300                 *copy_type = EXT_COPY_NONE;
1301         else if (!strcasecmp(arg, "copy"))
1302                 *copy_type = EXT_COPY_ADD;
1303         else if (!strcasecmp(arg, "copyall"))
1304                 *copy_type = EXT_COPY_ALL;
1305         else
1306                 return 0;
1307         return 1;
1308 }
1309
1310 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1311 {
1312         STACK_OF(X509_EXTENSION) *exts = NULL;
1313         X509_EXTENSION *ext, *tmpext;
1314         ASN1_OBJECT *obj;
1315         int i, idx, ret = 0;
1316         if (!x || !req || (copy_type == EXT_COPY_NONE))
1317                 return 1;
1318         exts = X509_REQ_get_extensions(req);
1319
1320         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1321                 ext = sk_X509_EXTENSION_value(exts, i);
1322                 obj = X509_EXTENSION_get_object(ext);
1323                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1324                 /* Does extension exist? */
1325                 if (idx != -1) {
1326                         /* If normal copy don't override existing extension */
1327                         if (copy_type == EXT_COPY_ADD)
1328                                 continue;
1329                         /* Delete all extensions of same type */
1330                         do {
1331                                 tmpext = X509_get_ext(x, idx);
1332                                 X509_delete_ext(x, idx);
1333                                 X509_EXTENSION_free(tmpext);
1334                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1335                         } while (idx != -1);
1336                 }
1337                 if (!X509_add_ext(x, ext, -1))
1338                         goto end;
1339         }
1340
1341         ret = 1;
1342
1343         end:
1344
1345         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1346
1347         return ret;
1348 }
1349
1350
1351
1352
1353 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1354 {
1355         STACK_OF(CONF_VALUE) *vals;
1356         CONF_VALUE *val;
1357         int i, ret = 1;
1358         if(!arg) return 0;
1359         vals = X509V3_parse_list(arg);
1360         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1361                 val = sk_CONF_VALUE_value(vals, i);
1362                 if (!set_table_opts(flags, val->name, in_tbl))
1363                         ret = 0;
1364         }
1365         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1366         return ret;
1367 }
1368
1369 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1370 {
1371         char c;
1372         const NAME_EX_TBL *ptbl;
1373         c = arg[0];
1374
1375         if(c == '-') {
1376                 c = 0;
1377                 arg++;
1378         } else if (c == '+') {
1379                 c = 1;
1380                 arg++;
1381         } else c = 1;
1382
1383         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1384                 if(!strcasecmp(arg, ptbl->name)) {
1385                         *flags &= ~ptbl->mask;
1386                         if(c) *flags |= ptbl->flag;
1387                         else *flags &= ~ptbl->flag;
1388                         return 1;
1389                 }
1390         }
1391         return 0;
1392 }
1393
1394 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1395 {
1396         char *buf;
1397         char mline = 0;
1398         int indent = 0;
1399
1400         if(title) BIO_puts(out, title);
1401         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1402                 mline = 1;
1403                 indent = 4;
1404         }
1405         if(lflags == XN_FLAG_COMPAT) {
1406                 buf = X509_NAME_oneline(nm, 0, 0);
1407                 BIO_puts(out, buf);
1408                 BIO_puts(out, "\n");
1409                 OPENSSL_free(buf);
1410         } else {
1411                 if(mline) BIO_puts(out, "\n");
1412                 X509_NAME_print_ex(out, nm, indent, lflags);
1413                 BIO_puts(out, "\n");
1414         }
1415 }
1416
1417 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1418 {
1419         X509_STORE *store;
1420         X509_LOOKUP *lookup;
1421         if(!(store = X509_STORE_new())) goto end;
1422         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1423         if (lookup == NULL) goto end;
1424         if (CAfile) {
1425                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1426                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1427                         goto end;
1428                 }
1429         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1430
1431         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1432         if (lookup == NULL) goto end;
1433         if (CApath) {
1434                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1435                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1436                         goto end;
1437                 }
1438         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1439
1440         ERR_clear_error();
1441         return store;
1442         end:
1443         X509_STORE_free(store);
1444         return NULL;
1445 }
1446
1447 #ifndef OPENSSL_NO_ENGINE
1448 /* Try to load an engine in a shareable library */
1449 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1450         {
1451         ENGINE *e = ENGINE_by_id("dynamic");
1452         if (e)
1453                 {
1454                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1455                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1456                         {
1457                         ENGINE_free(e);
1458                         e = NULL;
1459                         }
1460                 }
1461         return e;
1462         }
1463
1464 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1465         {
1466         ENGINE *e = NULL;
1467
1468         if (engine)
1469                 {
1470                 if(strcmp(engine, "auto") == 0)
1471                         {
1472                         BIO_printf(err,"enabling auto ENGINE support\n");
1473                         ENGINE_register_all_complete();
1474                         return NULL;
1475                         }
1476                 if((e = ENGINE_by_id(engine)) == NULL
1477                         && (e = try_load_engine(err, engine, debug)) == NULL)
1478                         {
1479                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1480                         ERR_print_errors(err);
1481                         return NULL;
1482                         }
1483                 if (debug)
1484                         {
1485                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1486                                 0, err, 0);
1487                         }
1488                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1489                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1490                         {
1491                         BIO_printf(err,"can't use that engine\n");
1492                         ERR_print_errors(err);
1493                         ENGINE_free(e);
1494                         return NULL;
1495                         }
1496
1497                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1498
1499                 /* Free our "structural" reference. */
1500                 ENGINE_free(e);
1501                 }
1502         return e;
1503         }
1504 #endif
1505
1506 int load_config(BIO *err, CONF *cnf)
1507         {
1508         static int load_config_called = 0;
1509         if (load_config_called)
1510                 return 1;
1511         load_config_called = 1;
1512         if (!cnf)
1513                 cnf = config;
1514         if (!cnf)
1515                 return 1;
1516
1517         OPENSSL_load_builtin_modules();
1518
1519         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1520                 {
1521                 BIO_printf(err, "Error configuring OpenSSL\n");
1522                 ERR_print_errors(err);
1523                 return 0;
1524                 }
1525         return 1;
1526         }
1527
1528 char *make_config_name()
1529         {
1530         const char *t=X509_get_default_cert_area();
1531         size_t len;
1532         char *p;
1533
1534         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1535         p=OPENSSL_malloc(len);
1536         BUF_strlcpy(p,t,len);
1537 #ifndef OPENSSL_SYS_VMS
1538         BUF_strlcat(p,"/",len);
1539 #endif
1540         BUF_strlcat(p,OPENSSL_CONF,len);
1541
1542         return p;
1543         }
1544
1545 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1546         {
1547         const char *n;
1548
1549         n=a[DB_serial];
1550         while (*n == '0') n++;
1551         return(lh_strhash(n));
1552         }
1553
1554 static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1555         {
1556         const char *aa,*bb;
1557
1558         for (aa=a[DB_serial]; *aa == '0'; aa++);
1559         for (bb=b[DB_serial]; *bb == '0'; bb++);
1560         return(strcmp(aa,bb));
1561         }
1562
1563 static int index_name_qual(char **a)
1564         { return(a[0][0] == 'V'); }
1565
1566 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1567         { return(lh_strhash(a[DB_name])); }
1568
1569 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1570         { return(strcmp(a[DB_name], b[DB_name])); }
1571
1572 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1573 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1574 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1575 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1576
1577 #undef BSIZE
1578 #define BSIZE 256
1579
1580 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1581         {
1582         BIO *in=NULL;
1583         BIGNUM *ret=NULL;
1584         MS_STATIC char buf[1024];
1585         ASN1_INTEGER *ai=NULL;
1586
1587         ai=ASN1_INTEGER_new();
1588         if (ai == NULL) goto err;
1589
1590         if ((in=BIO_new(BIO_s_file())) == NULL)
1591                 {
1592                 ERR_print_errors(bio_err);
1593                 goto err;
1594                 }
1595
1596         if (BIO_read_filename(in,serialfile) <= 0)
1597                 {
1598                 if (!create)
1599                         {
1600                         perror(serialfile);
1601                         goto err;
1602                         }
1603                 else
1604                         {
1605                         ret=BN_new();
1606                         if (ret == NULL || !rand_serial(ret, ai))
1607                                 BIO_printf(bio_err, "Out of memory\n");
1608                         }
1609                 }
1610         else
1611                 {
1612                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1613                         {
1614                         BIO_printf(bio_err,"unable to load number from %s\n",
1615                                 serialfile);
1616                         goto err;
1617                         }
1618                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1619                 if (ret == NULL)
1620                         {
1621                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1622                         goto err;
1623                         }
1624                 }
1625
1626         if (ret && retai)
1627                 {
1628                 *retai = ai;
1629                 ai = NULL;
1630                 }
1631  err:
1632         if (in != NULL) BIO_free(in);
1633         if (ai != NULL) ASN1_INTEGER_free(ai);
1634         return(ret);
1635         }
1636
1637 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1638         {
1639         char buf[1][BSIZE];
1640         BIO *out = NULL;
1641         int ret=0;
1642         ASN1_INTEGER *ai=NULL;
1643         int j;
1644
1645         if (suffix == NULL)
1646                 j = strlen(serialfile);
1647         else
1648                 j = strlen(serialfile) + strlen(suffix) + 1;
1649         if (j >= BSIZE)
1650                 {
1651                 BIO_printf(bio_err,"file name too long\n");
1652                 goto err;
1653                 }
1654
1655         if (suffix == NULL)
1656                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1657         else
1658                 {
1659 #ifndef OPENSSL_SYS_VMS
1660                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1661 #else
1662                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1663 #endif
1664                 }
1665 #ifdef RL_DEBUG
1666         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1667 #endif
1668         out=BIO_new(BIO_s_file());
1669         if (out == NULL)
1670                 {
1671                 ERR_print_errors(bio_err);
1672                 goto err;
1673                 }
1674         if (BIO_write_filename(out,buf[0]) <= 0)
1675                 {
1676                 perror(serialfile);
1677                 goto err;
1678                 }
1679
1680         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1681                 {
1682                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1683                 goto err;
1684                 }
1685         i2a_ASN1_INTEGER(out,ai);
1686         BIO_puts(out,"\n");
1687         ret=1;
1688         if (retai)
1689                 {
1690                 *retai = ai;
1691                 ai = NULL;
1692                 }
1693 err:
1694         if (out != NULL) BIO_free_all(out);
1695         if (ai != NULL) ASN1_INTEGER_free(ai);
1696         return(ret);
1697         }
1698
1699 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1700         {
1701         char buf[5][BSIZE];
1702         int i,j;
1703
1704         i = strlen(serialfile) + strlen(old_suffix);
1705         j = strlen(serialfile) + strlen(new_suffix);
1706         if (i > j) j = i;
1707         if (j + 1 >= BSIZE)
1708                 {
1709                 BIO_printf(bio_err,"file name too long\n");
1710                 goto err;
1711                 }
1712
1713 #ifndef OPENSSL_SYS_VMS
1714         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1715                 serialfile, new_suffix);
1716 #else
1717         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1718                 serialfile, new_suffix);
1719 #endif
1720 #ifndef OPENSSL_SYS_VMS
1721         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1722                 serialfile, old_suffix);
1723 #else
1724         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1725                 serialfile, old_suffix);
1726 #endif
1727 #ifdef RL_DEBUG
1728         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1729                 serialfile, buf[1]);
1730 #endif
1731         if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1732 #ifdef ENOTDIR
1733                         && errno != ENOTDIR
1734 #endif
1735            )            {
1736                         BIO_printf(bio_err,
1737                                 "unable to rename %s to %s\n",
1738                                 serialfile, buf[1]);
1739                         perror("reason");
1740                         goto err;
1741                         }
1742 #ifdef RL_DEBUG
1743         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1744                 buf[0],serialfile);
1745 #endif
1746         if (rename(buf[0],serialfile) < 0)
1747                 {
1748                 BIO_printf(bio_err,
1749                         "unable to rename %s to %s\n",
1750                         buf[0],serialfile);
1751                 perror("reason");
1752                 rename(buf[1],serialfile);
1753                 goto err;
1754                 }
1755         return 1;
1756  err:
1757         return 0;
1758         }
1759
1760 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1761         {
1762         BIGNUM *btmp;
1763         int ret = 0;
1764         if (b)
1765                 btmp = b;
1766         else
1767                 btmp = BN_new();
1768
1769         if (!btmp)
1770                 return 0;
1771
1772         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1773                 goto error;
1774         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1775                 goto error;
1776
1777         ret = 1;
1778
1779         error:
1780
1781         if (!b)
1782                 BN_free(btmp);
1783
1784         return ret;
1785         }
1786
1787 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1788         {
1789         CA_DB *retdb = NULL;
1790         TXT_DB *tmpdb = NULL;
1791         BIO *in = BIO_new(BIO_s_file());
1792         CONF *dbattr_conf = NULL;
1793         char buf[1][BSIZE];
1794         long errorline= -1;
1795
1796         if (in == NULL)
1797                 {
1798                 ERR_print_errors(bio_err);
1799                 goto err;
1800                 }
1801         if (BIO_read_filename(in,dbfile) <= 0)
1802                 {
1803                 perror(dbfile);
1804                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1805                 goto err;
1806                 }
1807         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1808                 goto err;
1809
1810 #ifndef OPENSSL_SYS_VMS
1811         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1812 #else
1813         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1814 #endif
1815         dbattr_conf = NCONF_new(NULL);
1816         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1817                 {
1818                 if (errorline > 0)
1819                         {
1820                         BIO_printf(bio_err,
1821                                 "error on line %ld of db attribute file '%s'\n"
1822                                 ,errorline,buf[0]);
1823                         goto err;
1824                         }
1825                 else
1826                         {
1827                         NCONF_free(dbattr_conf);
1828                         dbattr_conf = NULL;
1829                         }
1830                 }
1831
1832         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1833                 {
1834                 fprintf(stderr, "Out of memory\n");
1835                 goto err;
1836                 }
1837
1838         retdb->db = tmpdb;
1839         tmpdb = NULL;
1840         if (db_attr)
1841                 retdb->attributes = *db_attr;
1842         else
1843                 {
1844                 retdb->attributes.unique_subject = 1;
1845                 }
1846
1847         if (dbattr_conf)
1848                 {
1849                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1850                 if (p)
1851                         {
1852 #ifdef RL_DEBUG
1853                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1854 #endif
1855                         retdb->attributes.unique_subject = parse_yesno(p,1);
1856                         }
1857                 }
1858
1859  err:
1860         if (dbattr_conf) NCONF_free(dbattr_conf);
1861         if (tmpdb) TXT_DB_free(tmpdb);
1862         if (in) BIO_free_all(in);
1863         return retdb;
1864         }
1865
1866 int index_index(CA_DB *db)
1867         {
1868         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1869                                 LHASH_HASH_FN(index_serial),
1870                                 LHASH_COMP_FN(index_serial)))
1871                 {
1872                 BIO_printf(bio_err,
1873                   "error creating serial number index:(%ld,%ld,%ld)\n",
1874                                         db->db->error,db->db->arg1,db->db->arg2);
1875                         return 0;
1876                 }
1877
1878         if (db->attributes.unique_subject
1879                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1880                         LHASH_HASH_FN(index_name),
1881                         LHASH_COMP_FN(index_name)))
1882                 {
1883                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1884                         db->db->error,db->db->arg1,db->db->arg2);
1885                 return 0;
1886                 }
1887         return 1;
1888         }
1889
1890 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1891         {
1892         char buf[3][BSIZE];
1893         BIO *out = BIO_new(BIO_s_file());
1894         int j;
1895
1896         if (out == NULL)
1897                 {
1898                 ERR_print_errors(bio_err);
1899                 goto err;
1900                 }
1901
1902         j = strlen(dbfile) + strlen(suffix);
1903         if (j + 6 >= BSIZE)
1904                 {
1905                 BIO_printf(bio_err,"file name too long\n");
1906                 goto err;
1907                 }
1908
1909 #ifndef OPENSSL_SYS_VMS
1910         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1911 #else
1912         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1913 #endif
1914 #ifndef OPENSSL_SYS_VMS
1915         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1916 #else
1917         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1918 #endif
1919 #ifndef OPENSSL_SYS_VMS
1920         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1921 #else
1922         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1923 #endif
1924 #ifdef RL_DEBUG
1925         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1926 #endif
1927         if (BIO_write_filename(out,buf[0]) <= 0)
1928                 {
1929                 perror(dbfile);
1930                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1931                 goto err;
1932                 }
1933         j=TXT_DB_write(out,db->db);
1934         if (j <= 0) goto err;
1935
1936         BIO_free(out);
1937
1938         out = BIO_new(BIO_s_file());
1939 #ifdef RL_DEBUG
1940         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1941 #endif
1942         if (BIO_write_filename(out,buf[1]) <= 0)
1943                 {
1944                 perror(buf[2]);
1945                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1946                 goto err;
1947                 }
1948         BIO_printf(out,"unique_subject = %s\n",
1949                 db->attributes.unique_subject ? "yes" : "no");
1950         BIO_free(out);
1951
1952         return 1;
1953  err:
1954         return 0;
1955         }
1956
1957 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1958         {
1959         char buf[5][BSIZE];
1960         int i,j;
1961
1962         i = strlen(dbfile) + strlen(old_suffix);
1963         j = strlen(dbfile) + strlen(new_suffix);
1964         if (i > j) j = i;
1965         if (j + 6 >= BSIZE)
1966                 {
1967                 BIO_printf(bio_err,"file name too long\n");
1968                 goto err;
1969                 }
1970
1971 #ifndef OPENSSL_SYS_VMS
1972         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1973 #else
1974         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1975 #endif
1976 #ifndef OPENSSL_SYS_VMS
1977         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1978                 dbfile, new_suffix);
1979 #else
1980         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1981                 dbfile, new_suffix);
1982 #endif
1983 #ifndef OPENSSL_SYS_VMS
1984         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1985                 dbfile, new_suffix);
1986 #else
1987         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1988                 dbfile, new_suffix);
1989 #endif
1990 #ifndef OPENSSL_SYS_VMS
1991         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1992                 dbfile, old_suffix);
1993 #else
1994         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1995                 dbfile, old_suffix);
1996 #endif
1997 #ifndef OPENSSL_SYS_VMS
1998         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1999                 dbfile, old_suffix);
2000 #else
2001         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
2002                 dbfile, old_suffix);
2003 #endif
2004 #ifdef RL_DEBUG
2005         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2006                 dbfile, buf[1]);
2007 #endif
2008         if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
2009 #ifdef ENOTDIR
2010                 && errno != ENOTDIR
2011 #endif
2012            )            {
2013                         BIO_printf(bio_err,
2014                                 "unable to rename %s to %s\n",
2015                                 dbfile, buf[1]);
2016                         perror("reason");
2017                         goto err;
2018                         }
2019 #ifdef RL_DEBUG
2020         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2021                 buf[0],dbfile);
2022 #endif
2023         if (rename(buf[0],dbfile) < 0)
2024                 {
2025                 BIO_printf(bio_err,
2026                         "unable to rename %s to %s\n",
2027                         buf[0],dbfile);
2028                 perror("reason");
2029                 rename(buf[1],dbfile);
2030                 goto err;
2031                 }
2032 #ifdef RL_DEBUG
2033         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2034                 buf[4],buf[3]);
2035 #endif
2036         if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
2037 #ifdef ENOTDIR
2038                 && errno != ENOTDIR
2039 #endif
2040            )            {
2041                         BIO_printf(bio_err,
2042                                 "unable to rename %s to %s\n",
2043                                 buf[4], buf[3]);
2044                         perror("reason");
2045                         rename(dbfile,buf[0]);
2046                         rename(buf[1],dbfile);
2047                         goto err;
2048                         }
2049 #ifdef RL_DEBUG
2050         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2051                 buf[2],buf[4]);
2052 #endif
2053         if (rename(buf[2],buf[4]) < 0)
2054                 {
2055                 BIO_printf(bio_err,
2056                         "unable to rename %s to %s\n",
2057                         buf[2],buf[4]);
2058                 perror("reason");
2059                 rename(buf[3],buf[4]);
2060                 rename(dbfile,buf[0]);
2061                 rename(buf[1],dbfile);
2062                 goto err;
2063                 }
2064         return 1;
2065  err:
2066         return 0;
2067         }
2068
2069 void free_index(CA_DB *db)
2070         {
2071         if (db)
2072                 {
2073                 if (db->db) TXT_DB_free(db->db);
2074                 OPENSSL_free(db);
2075                 }
2076         }
2077
2078 int parse_yesno(const char *str, int def)
2079         {
2080         int ret = def;
2081         if (str)
2082                 {
2083                 switch (*str)
2084                         {
2085                 case 'f': /* false */
2086                 case 'F': /* FALSE */
2087                 case 'n': /* no */
2088                 case 'N': /* NO */
2089                 case '0': /* 0 */
2090                         ret = 0;
2091                         break;
2092                 case 't': /* true */
2093                 case 'T': /* TRUE */
2094                 case 'y': /* yes */
2095                 case 'Y': /* YES */
2096                 case '1': /* 1 */
2097                         ret = 1;
2098                         break;
2099                 default:
2100                         ret = def;
2101                         break;
2102                         }
2103                 }
2104         return ret;
2105         }
2106
2107 /*
2108  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2109  * where characters may be escaped by \
2110  */
2111 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2112         {
2113         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2114         char *buf = OPENSSL_malloc(buflen);
2115         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2116         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2117         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2118         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2119
2120         char *sp = subject, *bp = buf;
2121         int i, ne_num = 0;
2122
2123         X509_NAME *n = NULL;
2124         int nid;
2125
2126         if (!buf || !ne_types || !ne_values)
2127                 {
2128                 BIO_printf(bio_err, "malloc error\n");
2129                 goto error;
2130                 }
2131
2132         if (*subject != '/')
2133                 {
2134                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2135                 goto error;
2136                 }
2137         sp++; /* skip leading / */
2138
2139         /* no multivalued RDN by default */
2140         mval[ne_num] = 0;
2141
2142         while (*sp)
2143                 {
2144                 /* collect type */
2145                 ne_types[ne_num] = bp;
2146                 while (*sp)
2147                         {
2148                         if (*sp == '\\') /* is there anything to escape in the type...? */
2149                                 {
2150                                 if (*++sp)
2151                                         *bp++ = *sp++;
2152                                 else
2153                                         {
2154                                         BIO_printf(bio_err, "escape character at end of string\n");
2155                                         goto error;
2156                                         }
2157                                 }
2158                         else if (*sp == '=')
2159                                 {
2160                                 sp++;
2161                                 *bp++ = '\0';
2162                                 break;
2163                                 }
2164                         else
2165                                 *bp++ = *sp++;
2166                         }
2167                 if (!*sp)
2168                         {
2169                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2170                         goto error;
2171                         }
2172                 ne_values[ne_num] = bp;
2173                 while (*sp)
2174                         {
2175                         if (*sp == '\\')
2176                                 {
2177                                 if (*++sp)
2178                                         *bp++ = *sp++;
2179                                 else
2180                                         {
2181                                         BIO_printf(bio_err, "escape character at end of string\n");
2182                                         goto error;
2183                                         }
2184                                 }
2185                         else if (*sp == '/')
2186                                 {
2187                                 sp++;
2188                                 /* no multivalued RDN by default */
2189                                 mval[ne_num+1] = 0;
2190                                 break;
2191                                 }
2192                         else if (*sp == '+' && multirdn)
2193                                 {
2194                                 /* a not escaped + signals a mutlivalued RDN */
2195                                 sp++;
2196                                 mval[ne_num+1] = -1;
2197                                 break;
2198                                 }
2199                         else
2200                                 *bp++ = *sp++;
2201                         }
2202                 *bp++ = '\0';
2203                 ne_num++;
2204                 }
2205
2206         if (!(n = X509_NAME_new()))
2207                 goto error;
2208
2209         for (i = 0; i < ne_num; i++)
2210                 {
2211                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2212                         {
2213                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2214                         continue;
2215                         }
2216
2217                 if (!*ne_values[i])
2218                         {
2219                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2220                         continue;
2221                         }
2222
2223                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2224                         goto error;
2225                 }
2226
2227         OPENSSL_free(ne_values);
2228         OPENSSL_free(ne_types);
2229         OPENSSL_free(buf);
2230         return n;
2231
2232 error:
2233         X509_NAME_free(n);
2234         if (ne_values)
2235                 OPENSSL_free(ne_values);
2236         if (ne_types)
2237                 OPENSSL_free(ne_types);
2238         if (buf)
2239                 OPENSSL_free(buf);
2240         return NULL;
2241 }
2242
2243 int args_verify(char ***pargs, int *pargc,
2244                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2245         {
2246         ASN1_OBJECT *otmp = NULL;
2247         unsigned long flags = 0;
2248         int i;
2249         int purpose = 0, depth = -1;
2250         char **oldargs = *pargs;
2251         char *arg = **pargs, *argn = (*pargs)[1];
2252         const X509_VERIFY_PARAM *vpm = NULL;
2253         if (!strcmp(arg, "-policy"))
2254                 {
2255                 if (!argn)
2256                         *badarg = 1;
2257                 else
2258                         {
2259                         otmp = OBJ_txt2obj(argn, 0);
2260                         if (!otmp)
2261                                 {
2262                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2263                                                                         argn);
2264                                 *badarg = 1;
2265                                 }
2266                         }
2267                 (*pargs)++;
2268                 }
2269         else if (strcmp(arg,"-purpose") == 0)
2270                 {
2271                 X509_PURPOSE *xptmp;
2272                 if (!argn)
2273                         *badarg = 1;
2274                 else
2275                         {
2276                         i = X509_PURPOSE_get_by_sname(argn);
2277                         if(i < 0)
2278                                 {
2279                                 BIO_printf(err, "unrecognized purpose\n");
2280                                 *badarg = 1;
2281                                 }
2282                         else
2283                                 {
2284                                 xptmp = X509_PURPOSE_get0(i);
2285                                 purpose = X509_PURPOSE_get_id(xptmp);
2286                                 }
2287                         }
2288                 (*pargs)++;
2289                 }
2290         else if (strcmp(arg,"-verify_name") == 0)
2291                 {
2292                 if (!argn)
2293                         *badarg = 1;
2294                 else
2295                         {
2296                         vpm = X509_VERIFY_PARAM_lookup(argn);
2297                         if(!vpm)
2298                                 {
2299                                 BIO_printf(err, "unrecognized verify name\n");
2300                                 *badarg = 1;
2301                                 }
2302                         }
2303                 (*pargs)++;
2304                 }
2305         else if (strcmp(arg,"-verify_depth") == 0)
2306                 {
2307                 if (!argn)
2308                         *badarg = 1;
2309                 else
2310                         {
2311                         depth = atoi(argn);
2312                         if(depth < 0)
2313                                 {
2314                                 BIO_printf(err, "invalid depth\n");
2315                                 *badarg = 1;
2316                                 }
2317                         }
2318                 (*pargs)++;
2319                 }
2320         else if (!strcmp(arg, "-ignore_critical"))
2321                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2322         else if (!strcmp(arg, "-issuer_checks"))
2323                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2324         else if (!strcmp(arg, "-crl_check"))
2325                 flags |=  X509_V_FLAG_CRL_CHECK;
2326         else if (!strcmp(arg, "-crl_check_all"))
2327                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2328         else if (!strcmp(arg, "-policy_check"))
2329                 flags |= X509_V_FLAG_POLICY_CHECK;
2330         else if (!strcmp(arg, "-explicit_policy"))
2331                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2332         else if (!strcmp(arg, "-inhibit_any"))
2333                 flags |= X509_V_FLAG_INHIBIT_ANY;
2334         else if (!strcmp(arg, "-inhibit_map"))
2335                 flags |= X509_V_FLAG_INHIBIT_MAP;
2336         else if (!strcmp(arg, "-x509_strict"))
2337                 flags |= X509_V_FLAG_X509_STRICT;
2338         else if (!strcmp(arg, "-extended_crl"))
2339                 flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2340         else if (!strcmp(arg, "-use_deltas"))
2341                 flags |= X509_V_FLAG_USE_DELTAS;
2342         else if (!strcmp(arg, "-policy_print"))
2343                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2344         else if (!strcmp(arg, "-check_ss_sig"))
2345                 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2346         else if (!strcmp(arg, "-trusted_first"))
2347                 flags |= X509_V_FLAG_TRUSTED_FIRST;
2348         else
2349                 return 0;
2350
2351         if (*badarg)
2352                 {
2353                 if (*pm)
2354                         X509_VERIFY_PARAM_free(*pm);
2355                 *pm = NULL;
2356                 goto end;
2357                 }
2358
2359         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2360                 {
2361                 *badarg = 1;
2362                 goto end;
2363                 }
2364
2365         if (vpm)
2366                 X509_VERIFY_PARAM_set1(*pm, vpm);
2367
2368         if (otmp)
2369                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2370         if (flags)
2371                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2372
2373         if (purpose)
2374                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2375
2376         if (depth >= 0)
2377                 X509_VERIFY_PARAM_set_depth(*pm, depth);
2378
2379         end:
2380
2381         (*pargs)++;
2382
2383         if (pargc)
2384                 *pargc -= *pargs - oldargs;
2385
2386         return 1;
2387
2388         }
2389
2390 /* Read whole contents of a BIO into an allocated memory buffer and
2391  * return it.
2392  */
2393
2394 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2395         {
2396         BIO *mem;
2397         int len, ret;
2398         unsigned char tbuf[1024];
2399         mem = BIO_new(BIO_s_mem());
2400         if (!mem)
2401                 return -1;
2402         for(;;)
2403                 {
2404                 if ((maxlen != -1) && maxlen < 1024)
2405                         len = maxlen;
2406                 else
2407                         len = 1024;
2408                 len = BIO_read(in, tbuf, len);
2409                 if (len <= 0)
2410                         break;
2411                 if (BIO_write(mem, tbuf, len) != len)
2412                         {
2413                         BIO_free(mem);
2414                         return -1;
2415                         }
2416                 maxlen -= len;
2417
2418                 if (maxlen == 0)
2419                         break;
2420                 }
2421         ret = BIO_get_mem_data(mem, (char **)out);
2422         BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2423         BIO_free(mem);
2424         return ret;
2425         }
2426
2427 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2428         {
2429         int rv;
2430         char *stmp, *vtmp = NULL;
2431         stmp = BUF_strdup(value);
2432         if (!stmp)
2433                 return -1;
2434         vtmp = strchr(stmp, ':');
2435         if (vtmp)
2436                 {
2437                 *vtmp = 0;
2438                 vtmp++;
2439                 }
2440         rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2441         OPENSSL_free(stmp);
2442         return rv;
2443         }
2444
2445 static void nodes_print(BIO *out, const char *name,
2446         STACK_OF(X509_POLICY_NODE) *nodes)
2447         {
2448         X509_POLICY_NODE *node;
2449         int i;
2450         BIO_printf(out, "%s Policies:", name);
2451         if (nodes)
2452                 {
2453                 BIO_puts(out, "\n");
2454                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2455                         {
2456                         node = sk_X509_POLICY_NODE_value(nodes, i);
2457                         X509_POLICY_NODE_print(out, node, 2);
2458                         }
2459                 }
2460         else
2461                 BIO_puts(out, " <empty>\n");
2462         }
2463
2464 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2465         {
2466         X509_POLICY_TREE *tree;
2467         int explicit_policy;
2468         int free_out = 0;
2469         if (out == NULL)
2470                 {
2471                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2472                 free_out = 1;
2473                 }
2474         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2475         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2476
2477         BIO_printf(out, "Require explicit Policy: %s\n",
2478                                 explicit_policy ? "True" : "False");
2479
2480         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2481         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2482         if (free_out)
2483                 BIO_free(out);
2484         }
2485
2486 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2487
2488 static JPAKE_CTX *jpake_init(const char *us, const char *them,
2489                                                          const char *secret)
2490         {
2491         BIGNUM *p = NULL;
2492         BIGNUM *g = NULL;
2493         BIGNUM *q = NULL;
2494         BIGNUM *bnsecret = BN_new();
2495         JPAKE_CTX *ctx;
2496
2497         /* Use a safe prime for p (that we found earlier) */
2498         BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2499         g = BN_new();
2500         BN_set_word(g, 2);
2501         q = BN_new();
2502         BN_rshift1(q, p);
2503
2504         BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2505
2506         ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2507         BN_free(bnsecret);
2508         BN_free(q);
2509         BN_free(g);
2510         BN_free(p);
2511
2512         return ctx;
2513         }
2514
2515 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2516         {
2517         BN_print(conn, p->gx);
2518         BIO_puts(conn, "\n");
2519         BN_print(conn, p->zkpx.gr);
2520         BIO_puts(conn, "\n");
2521         BN_print(conn, p->zkpx.b);
2522         BIO_puts(conn, "\n");
2523         }
2524
2525 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2526         {
2527         JPAKE_STEP1 s1;
2528
2529         JPAKE_STEP1_init(&s1);
2530         JPAKE_STEP1_generate(&s1, ctx);
2531         jpake_send_part(bconn, &s1.p1);
2532         jpake_send_part(bconn, &s1.p2);
2533         (void)BIO_flush(bconn);
2534         JPAKE_STEP1_release(&s1);
2535         }
2536
2537 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2538         {
2539         JPAKE_STEP2 s2;
2540
2541         JPAKE_STEP2_init(&s2);
2542         JPAKE_STEP2_generate(&s2, ctx);
2543         jpake_send_part(bconn, &s2);
2544         (void)BIO_flush(bconn);
2545         JPAKE_STEP2_release(&s2);
2546         }
2547
2548 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2549         {
2550         JPAKE_STEP3A s3a;
2551
2552         JPAKE_STEP3A_init(&s3a);
2553         JPAKE_STEP3A_generate(&s3a, ctx);
2554         BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2555         (void)BIO_flush(bconn);
2556         JPAKE_STEP3A_release(&s3a);
2557         }
2558
2559 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2560         {
2561         JPAKE_STEP3B s3b;
2562
2563         JPAKE_STEP3B_init(&s3b);
2564         JPAKE_STEP3B_generate(&s3b, ctx);
2565         BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2566         (void)BIO_flush(bconn);
2567         JPAKE_STEP3B_release(&s3b);
2568         }
2569
2570 static void readbn(BIGNUM **bn, BIO *bconn)
2571         {
2572         char buf[10240];
2573         int l;
2574
2575         l = BIO_gets(bconn, buf, sizeof buf);
2576         assert(l > 0);
2577         assert(buf[l-1] == '\n');
2578         buf[l-1] = '\0';
2579         BN_hex2bn(bn, buf);
2580         }
2581
2582 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2583         {
2584         readbn(&p->gx, bconn);
2585         readbn(&p->zkpx.gr, bconn);
2586         readbn(&p->zkpx.b, bconn);
2587         }
2588
2589 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2590         {
2591         JPAKE_STEP1 s1;
2592
2593         JPAKE_STEP1_init(&s1);
2594         jpake_receive_part(&s1.p1, bconn);
2595         jpake_receive_part(&s1.p2, bconn);
2596         if(!JPAKE_STEP1_process(ctx, &s1))
2597                 {
2598                 ERR_print_errors(bio_err);
2599                 exit(1);
2600                 }
2601         JPAKE_STEP1_release(&s1);
2602         }
2603
2604 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2605         {
2606         JPAKE_STEP2 s2;
2607
2608         JPAKE_STEP2_init(&s2);
2609         jpake_receive_part(&s2, bconn);
2610         if(!JPAKE_STEP2_process(ctx, &s2))
2611                 {
2612                 ERR_print_errors(bio_err);
2613                 exit(1);
2614                 }
2615         JPAKE_STEP2_release(&s2);
2616         }
2617
2618 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2619         {
2620         JPAKE_STEP3A s3a;
2621         int l;
2622
2623         JPAKE_STEP3A_init(&s3a);
2624         l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2625         assert(l == sizeof s3a.hhk);
2626         if(!JPAKE_STEP3A_process(ctx, &s3a))
2627                 {
2628                 ERR_print_errors(bio_err);
2629                 exit(1);
2630                 }
2631         JPAKE_STEP3A_release(&s3a);
2632         }
2633
2634 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2635         {
2636         JPAKE_STEP3B s3b;
2637         int l;
2638
2639         JPAKE_STEP3B_init(&s3b);
2640         l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2641         assert(l == sizeof s3b.hk);
2642         if(!JPAKE_STEP3B_process(ctx, &s3b))
2643                 {
2644                 ERR_print_errors(bio_err);
2645                 exit(1);
2646                 }
2647         JPAKE_STEP3B_release(&s3b);
2648         }
2649
2650 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2651         {
2652         JPAKE_CTX *ctx;
2653         BIO *bconn;
2654
2655         BIO_puts(out, "Authenticating with JPAKE\n");
2656
2657         ctx = jpake_init("client", "server", secret);
2658
2659         bconn = BIO_new(BIO_f_buffer());
2660         BIO_push(bconn, conn);
2661
2662         jpake_send_step1(bconn, ctx);
2663         jpake_receive_step1(ctx, bconn);
2664         jpake_send_step2(bconn, ctx);
2665         jpake_receive_step2(ctx, bconn);
2666         jpake_send_step3a(bconn, ctx);
2667         jpake_receive_step3b(ctx, bconn);
2668
2669         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2670
2671         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2672
2673         BIO_pop(bconn);
2674         BIO_free(bconn);
2675
2676         JPAKE_CTX_free(ctx);
2677         }
2678
2679 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2680         {
2681         JPAKE_CTX *ctx;
2682         BIO *bconn;
2683
2684         BIO_puts(out, "Authenticating with JPAKE\n");
2685
2686         ctx = jpake_init("server", "client", secret);
2687
2688         bconn = BIO_new(BIO_f_buffer());
2689         BIO_push(bconn, conn);
2690
2691         jpake_receive_step1(ctx, bconn);
2692         jpake_send_step1(bconn, ctx);
2693         jpake_receive_step2(ctx, bconn);
2694         jpake_send_step2(bconn, ctx);
2695         jpake_receive_step3a(ctx, bconn);
2696         jpake_send_step3b(bconn, ctx);
2697
2698         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2699
2700         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2701
2702         BIO_pop(bconn);
2703         BIO_free(bconn);
2704
2705         JPAKE_CTX_free(ctx);
2706         }
2707
2708 #endif
2709
2710 /*
2711  * Platform-specific sections
2712  */
2713 #if defined(_WIN32)
2714 # ifdef fileno
2715 #  undef fileno
2716 #  define fileno(a) (int)_fileno(a)
2717 # endif
2718
2719 # include <windows.h>
2720 # include <tchar.h>
2721
2722 static int WIN32_rename(const char *from, const char *to)
2723         {
2724         TCHAR  *tfrom=NULL,*tto;
2725         DWORD   err;
2726         int     ret=0;
2727
2728         if (sizeof(TCHAR) == 1)
2729                 {
2730                 tfrom = (TCHAR *)from;
2731                 tto   = (TCHAR *)to;
2732                 }
2733         else    /* UNICODE path */
2734                 {
2735                 size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
2736                 tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
2737                 if (tfrom==NULL) goto err;
2738                 tto=tfrom+flen;
2739 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2740                 if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
2741 #endif
2742                         for (i=0;i<flen;i++)    tfrom[i]=(TCHAR)from[i];
2743 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2744                 if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
2745 #endif
2746                         for (i=0;i<tlen;i++)    tto[i]  =(TCHAR)to[i];
2747                 }
2748
2749         if (MoveFile(tfrom,tto))        goto ok;
2750         err=GetLastError();
2751         if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
2752                 {
2753                 if (DeleteFile(tto) && MoveFile(tfrom,tto))
2754                         goto ok;
2755                 err=GetLastError();
2756                 }
2757         if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
2758                 errno = ENOENT;
2759         else if (err==ERROR_ACCESS_DENIED)
2760                 errno = EACCES;
2761         else
2762                 errno = EINVAL; /* we could map more codes... */
2763 err:
2764         ret=-1;
2765 ok:
2766         if (tfrom!=NULL && tfrom!=(TCHAR *)from)        free(tfrom);
2767         return ret;
2768         }
2769 #endif
2770
2771 /* app_tminterval section */
2772 #if defined(_WIN32)
2773 double app_tminterval(int stop,int usertime)
2774         {
2775         FILETIME                now;
2776         double                  ret=0;
2777         static ULARGE_INTEGER   tmstart;
2778         static int              warning=1;
2779 #ifdef _WIN32_WINNT
2780         static HANDLE           proc=NULL;
2781
2782         if (proc==NULL)
2783                 {
2784                 if (GetVersion() < 0x80000000)
2785                         proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
2786                                                 GetCurrentProcessId());
2787                 if (proc==NULL) proc = (HANDLE)-1;
2788                 }
2789
2790         if (usertime && proc!=(HANDLE)-1)
2791                 {
2792                 FILETIME junk;
2793                 GetProcessTimes(proc,&junk,&junk,&junk,&now);
2794                 }
2795         else
2796 #endif
2797                 {
2798                 SYSTEMTIME systime;
2799
2800                 if (usertime && warning)
2801                         {
2802                         BIO_printf(bio_err,"To get meaningful results, run "
2803                                            "this program on idle system.\n");
2804                         warning=0;
2805                         }
2806                 GetSystemTime(&systime);
2807                 SystemTimeToFileTime(&systime,&now);
2808                 }
2809
2810         if (stop==TM_START)
2811                 {
2812                 tmstart.u.LowPart  = now.dwLowDateTime;
2813                 tmstart.u.HighPart = now.dwHighDateTime;
2814                 }
2815         else    {
2816                 ULARGE_INTEGER tmstop;
2817
2818                 tmstop.u.LowPart   = now.dwLowDateTime;
2819                 tmstop.u.HighPart  = now.dwHighDateTime;
2820
2821                 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
2822                 }
2823
2824         return (ret);
2825         }
2826
2827 #elif defined(OPENSSL_SYS_NETWARE)
2828 #include <time.h>
2829
2830 double app_tminterval(int stop,int usertime)
2831         {
2832         double          ret=0;
2833         static clock_t  tmstart;
2834         static int      warning=1;
2835
2836         if (usertime && warning)
2837                 {
2838                 BIO_printf(bio_err,"To get meaningful results, run "
2839                                    "this program on idle system.\n");
2840                 warning=0;
2841                 }
2842
2843         if (stop==TM_START)     tmstart = clock();
2844         else                    ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
2845
2846         return (ret);
2847         }
2848
2849 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2850 #include <time.h>
2851
2852 double app_tminterval(int stop,int usertime)
2853         {
2854         double ret=0;
2855 #ifdef CLOCK_REALTIME
2856         static struct timespec  tmstart;
2857         struct timespec         now;
2858 #else
2859         static unsigned long    tmstart;
2860         unsigned long           now;
2861 #endif
2862         static int warning=1;
2863
2864         if (usertime && warning)
2865                 {
2866                 BIO_printf(bio_err,"To get meaningful results, run "
2867                                    "this program on idle system.\n");
2868                 warning=0;
2869                 }
2870
2871 #ifdef CLOCK_REALTIME
2872         clock_gettime(CLOCK_REALTIME,&now);
2873         if (stop==TM_START)     tmstart = now;
2874         else    ret = ( (now.tv_sec+now.tv_nsec*1e-9)
2875                         - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
2876 #else
2877         now = tickGet();
2878         if (stop==TM_START)     tmstart = now;
2879         else                    ret = (now - tmstart)/(double)sysClkRateGet();
2880 #endif
2881         return (ret);
2882         }
2883
2884 #elif defined(OPENSSL_SYSTEM_VMS)
2885 #include <time.h>
2886 #include <times.h>
2887
2888 double app_tminterval(int stop,int usertime)
2889         {
2890         static clock_t  tmstart;
2891         double          ret = 0;
2892         clock_t         now;
2893 #ifdef __TMS
2894         struct tms      rus;
2895
2896         now = times(&rus);
2897         if (usertime)   now = rus.tms_utime;
2898 #else
2899         if (usertime)
2900                 now = clock(); /* sum of user and kernel times */
2901         else    {
2902                 struct timeval tv;
2903                 gettimeofday(&tv,NULL);
2904                 now = (clock_t)(
2905                         (unsigned long long)tv.tv_sec*CLK_TCK +
2906                         (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
2907                         );
2908                 }
2909 #endif
2910         if (stop==TM_START)     tmstart = now;
2911         else                    ret = (now - tmstart)/(double)(CLK_TCK);
2912
2913         return (ret);
2914         }
2915
2916 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
2917 #include <sys/times.h>
2918
2919 double app_tminterval(int stop,int usertime)
2920         {
2921         double          ret = 0;
2922         struct tms      rus;
2923         clock_t         now = times(&rus);
2924         static clock_t  tmstart;
2925
2926         if (usertime)           now = rus.tms_utime;
2927
2928         if (stop==TM_START)     tmstart = now;
2929         else
2930                 {
2931                 long int tck = sysconf(_SC_CLK_TCK);
2932                 ret = (now - tmstart)/(double)tck;
2933                 }
2934
2935         return (ret);
2936         }
2937
2938 #else
2939 #include <sys/time.h>
2940 #include <sys/resource.h>
2941
2942 double app_tminterval(int stop,int usertime)
2943         {
2944         double          ret = 0;
2945         struct rusage   rus;
2946         struct timeval  now;
2947         static struct timeval tmstart;
2948
2949         if (usertime)           getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
2950         else                    gettimeofday(&now,NULL);
2951
2952         if (stop==TM_START)     tmstart = now;
2953         else                    ret = ( (now.tv_sec+now.tv_usec*1e-6)
2954                                         - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
2955
2956         return ret;
2957         }
2958 #endif
2959
2960 /* app_isdir section */
2961 #ifdef _WIN32
2962 int app_isdir(const char *name)
2963         {
2964         HANDLE          hList;
2965         WIN32_FIND_DATA FileData;
2966 #if defined(UNICODE) || defined(_UNICODE)
2967         size_t i, len_0 = strlen(name)+1;
2968
2969         if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
2970                 return -1;
2971
2972 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2973         if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
2974 #endif
2975                 for (i=0;i<len_0;i++)
2976                         FileData.cFileName[i] = (WCHAR)name[i];
2977
2978         hList = FindFirstFile(FileData.cFileName,&FileData);
2979 #else
2980         hList = FindFirstFile(name,&FileData);
2981 #endif
2982         if (hList == INVALID_HANDLE_VALUE)      return -1;
2983         FindClose(hList);
2984         return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
2985         }
2986 #else
2987 #include <sys/stat.h>
2988 #ifndef S_ISDIR
2989 # if defined(_S_IFMT) && defined(_S_IFDIR)
2990 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
2991 # else
2992 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
2993 # endif
2994 #endif
2995
2996 int app_isdir(const char *name)
2997         {
2998 #if defined(S_ISDIR)
2999         struct stat st;
3000
3001         if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
3002         else                    return -1;
3003 #else
3004         return -1;
3005 #endif
3006         }
3007 #endif
3008
3009 /* raw_read|write section */
3010 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
3011 int raw_read_stdin(void *buf,int siz)
3012         {
3013         DWORD n;
3014         if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
3015                 return (n);
3016         else    return (-1);
3017         }
3018 #else
3019 int raw_read_stdin(void *buf,int siz)
3020         {       return read(fileno(stdin),buf,siz);     }
3021 #endif
3022
3023 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3024 int raw_write_stdout(const void *buf,int siz)
3025         {
3026         DWORD n;
3027         if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
3028                 return (n);
3029         else    return (-1);
3030         }
3031 #else
3032 int raw_write_stdout(const void *buf,int siz)
3033         {       return write(fileno(stdout),buf,siz);   }
3034 #endif