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 == NULL)
 261                 return FORMAT_UNDEF;
 262         if      ((*s == 'D') || (*s == 'd'))
 263                 return(FORMAT_ASN1);
 264         else if ((*s == 'T') || (*s == 't'))
 265                 return(FORMAT_TEXT);
 266         else if ((*s == 'N') || (*s == 'n'))
 267                 return(FORMAT_NETSCAPE);
 268         else if ((*s == 'S') || (*s == 's'))
 269                 return(FORMAT_SMIME);
 270         else if ((*s == 'M') || (*s == 'm'))
 271                 return(FORMAT_MSBLOB);
 272         else if ((*s == '1')
 273                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 274                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 275                 return(FORMAT_PKCS12);
 276         else if ((*s == 'E') || (*s == 'e'))
 277                 return(FORMAT_ENGINE);
 278         else if ((*s == 'P') || (*s == 'p'))
 279                 {
 280                 if (s[1] == 'V' || s[1] == 'v')
 281                         return FORMAT_PVK;
 282                 else
 283                         return(FORMAT_PEM);
 284                 }
 285         else
 286                 return(FORMAT_UNDEF);
 287         }
 288
 289 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 290 void program_name(char *in, char *out, int size)
 291         {
 292         int i,n;
 293         char *p=NULL;
 294
 295         n=strlen(in);
 296         /* find the last '/', '\' or ':' */
 297         for (i=n-1; i>0; i--)
 298                 {
 299                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 300                         {
 301                         p= &(in[i+1]);
 302                         break;
 303                         }
 304                 }
 305         if (p == NULL)
 306                 p=in;
 307         n=strlen(p);
 308
 309 #if defined(OPENSSL_SYS_NETWARE)
 310    /* strip off trailing .nlm if present. */
 311    if ((n > 4) && (p[n-4] == '.') &&
 312       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 313       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 314       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 315       n-=4;
 316 #else
 317         /* strip off trailing .exe if present. */
 318         if ((n > 4) && (p[n-4] == '.') &&
 319                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 320                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 321                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 322                 n-=4;
 323 #endif
 324
 325         if (n > size-1)
 326                 n=size-1;
 327
 328         for (i=0; i<n; i++)
 329                 {
 330                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 331                         out[i]=p[i]-'A'+'a';
 332                 else
 333                         out[i]=p[i];
 334                 }
 335         out[n]='\0';
 336         }
 337 #else
 338 #ifdef OPENSSL_SYS_VMS
 339 void program_name(char *in, char *out, int size)
 340         {
 341         char *p=in, *q;
 342         char *chars=":]>";
 343
 344         while(*chars != '\0')
 345                 {
 346                 q=strrchr(p,*chars);
 347                 if (q > p)
 348                         p = q + 1;
 349                 chars++;
 350                 }
 351
 352         q=strrchr(p,'.');
 353         if (q == NULL)
 354                 q = p + strlen(p);
 355         strncpy(out,p,size-1);
 356         if (q-p >= size)
 357                 {
 358                 out[size-1]='\0';
 359                 }
 360         else
 361                 {
 362                 out[q-p]='\0';
 363                 }
 364         }
 365 #else
 366 void program_name(char *in, char *out, int size)
 367         {
 368         char *p;
 369
 370         p=strrchr(in,'/');
 371         if (p != NULL)
 372                 p++;
 373         else
 374                 p=in;
 375         BUF_strlcpy(out,p,size);
 376         }
 377 #endif
 378 #endif
 379
 380 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 381         {
 382         int num,i;
 383         char *p;
 384
 385         *argc=0;
 386         *argv=NULL;
 387
 388         i=0;
 389         if (arg->count == 0)
 390                 {
 391                 arg->count=20;
 392                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 393                 }
 394         for (i=0; i<arg->count; i++)
 395                 arg->data[i]=NULL;
 396
 397         num=0;
 398         p=buf;
 399         for (;;)
 400                 {
 401                 /* first scan over white space */
 402                 if (!*p) break;
 403                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 404                         p++;
 405                 if (!*p) break;
 406
 407                 /* The start of something good :-) */
 408                 if (num >= arg->count)
 409                         {
 410                         char **tmp_p;
 411                         int tlen = arg->count + 20;
 412                         tmp_p = (char **)OPENSSL_realloc(arg->data,
 413                                 sizeof(char *)*tlen);
 414                         if (tmp_p == NULL)
 415                                 return 0;
 416                         arg->data  = tmp_p;
 417                         arg->count = tlen;
 418                         /* initialize newly allocated data */
 419                         for (i = num; i < arg->count; i++)
 420                                 arg->data[i] = NULL;
 421                         }
 422                 arg->data[num++]=p;
 423
 424                 /* now look for the end of this */
 425                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 426                         {
 427                         i= *(p++);
 428                         arg->data[num-1]++; /* jump over quote */
 429                         while (*p && (*p != i))
 430                                 p++;
 431                         *p='\0';
 432                         }
 433                 else
 434                         {
 435                         while (*p && ((*p != ' ') &&
 436                                 (*p != '\t') && (*p != '\n')))
 437                                 p++;
 438
 439                         if (*p == '\0')
 440                                 p--;
 441                         else
 442                                 *p='\0';
 443                         }
 444                 p++;
 445                 }
 446         *argc=num;
 447         *argv=arg->data;
 448         return(1);
 449         }
 450
 451 #ifndef APP_INIT
 452 int app_init(long mesgwin)
 453         {
 454         return(1);
 455         }
 456 #endif
 457
 458
 459 int dump_cert_text (BIO *out, X509 *x)
 460 {
 461         char *p;
 462
 463         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 464         BIO_puts(out,"subject=");
 465         BIO_puts(out,p);
 466         OPENSSL_free(p);
 467
 468         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 469         BIO_puts(out,"\nissuer=");
 470         BIO_puts(out,p);
 471         BIO_puts(out,"\n");
 472         OPENSSL_free(p);
 473
 474         return 0;
 475 }
 476
 477 static int ui_open(UI *ui)
 478         {
 479         return UI_method_get_opener(UI_OpenSSL())(ui);
 480         }
 481 static int ui_read(UI *ui, UI_STRING *uis)
 482         {
 483         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 484                 && UI_get0_user_data(ui))
 485                 {
 486                 switch(UI_get_string_type(uis))
 487                         {
 488                 case UIT_PROMPT:
 489                 case UIT_VERIFY:
 490                         {
 491                         const char *password =
 492                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 493                         if (password && password[0] != '\0')
 494                                 {
 495                                 UI_set_result(ui, uis, password);
 496                                 return 1;
 497                                 }
 498                         }
 499                 default:
 500                         break;
 501                         }
 502                 }
 503         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 504         }
 505 static int ui_write(UI *ui, UI_STRING *uis)
 506         {
 507         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 508                 && UI_get0_user_data(ui))
 509                 {
 510                 switch(UI_get_string_type(uis))
 511                         {
 512                 case UIT_PROMPT:
 513                 case UIT_VERIFY:
 514                         {
 515                         const char *password =
 516                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 517                         if (password && password[0] != '\0')
 518                                 return 1;
 519                         }
 520                 default:
 521                         break;
 522                         }
 523                 }
 524         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 525         }
 526 static int ui_close(UI *ui)
 527         {
 528         return UI_method_get_closer(UI_OpenSSL())(ui);
 529         }
 530 int setup_ui_method(void)
 531         {
 532         ui_method = UI_create_method("OpenSSL application user interface");
 533         UI_method_set_opener(ui_method, ui_open);
 534         UI_method_set_reader(ui_method, ui_read);
 535         UI_method_set_writer(ui_method, ui_write);
 536         UI_method_set_closer(ui_method, ui_close);
 537         return 0;
 538         }
 539 void destroy_ui_method(void)
 540         {
 541         if(ui_method)
 542                 {
 543                 UI_destroy_method(ui_method);
 544                 ui_method = NULL;
 545                 }
 546         }
 547 int password_callback(char *buf, int bufsiz, int verify,
 548         PW_CB_DATA *cb_tmp)
 549         {
 550         UI *ui = NULL;
 551         int res = 0;
 552         const char *prompt_info = NULL;
 553         const char *password = NULL;
 554         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 555
 556         if (cb_data)
 557                 {
 558                 if (cb_data->password)
 559                         password = cb_data->password;
 560                 if (cb_data->prompt_info)
 561                         prompt_info = cb_data->prompt_info;
 562                 }
 563
 564         if (password)
 565                 {
 566                 res = strlen(password);
 567                 if (res > bufsiz)
 568                         res = bufsiz;
 569                 memcpy(buf, password, res);
 570                 return res;
 571                 }
 572
 573         ui = UI_new_method(ui_method);
 574         if (ui)
 575                 {
 576                 int ok = 0;
 577                 char *buff = NULL;
 578                 int ui_flags = 0;
 579                 char *prompt = NULL;
 580
 581                 prompt = UI_construct_prompt(ui, "pass phrase",
 582                         prompt_info);
 583
 584                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 585                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 586
 587                 if (ok >= 0)
 588                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 589                                 PW_MIN_LENGTH,BUFSIZ-1);
 590                 if (ok >= 0 && verify)
 591                         {
 592                         buff = (char *)OPENSSL_malloc(bufsiz);
 593                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 594                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 595                         }
 596                 if (ok >= 0)
 597                         do
 598                                 {
 599                                 ok = UI_process(ui);
 600                                 }
 601                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 602
 603                 if (buff)
 604                         {
 605                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 606                         OPENSSL_free(buff);
 607                         }
 608
 609                 if (ok >= 0)
 610                         res = strlen(buf);
 611                 if (ok == -1)
 612                         {
 613                         BIO_printf(bio_err, "User interface error\n");
 614                         ERR_print_errors(bio_err);
 615                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 616                         res = 0;
 617                         }
 618                 if (ok == -2)
 619                         {
 620                         BIO_printf(bio_err,"aborted!\n");
 621                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 622                         res = 0;
 623                         }
 624                 UI_free(ui);
 625                 OPENSSL_free(prompt);
 626                 }
 627         return res;
 628         }
 629
 630 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 631
 632 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 633 {
 634         int same;
 635         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 636         else same = 1;
 637         if(arg1) {
 638                 *pass1 = app_get_pass(err, arg1, same);
 639                 if(!*pass1) return 0;
 640         } else if(pass1) *pass1 = NULL;
 641         if(arg2) {
 642                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 643                 if(!*pass2) return 0;
 644         } else if(pass2) *pass2 = NULL;
 645         return 1;
 646 }
 647
 648 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 649 {
 650         char *tmp, tpass[APP_PASS_LEN];
 651         static BIO *pwdbio = NULL;
 652         int i;
 653         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 654         if(!strncmp(arg, "env:", 4)) {
 655                 tmp = getenv(arg + 4);
 656                 if(!tmp) {
 657                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 658                         return NULL;
 659                 }
 660                 return BUF_strdup(tmp);
 661         }
 662         if(!keepbio || !pwdbio) {
 663                 if(!strncmp(arg, "file:", 5)) {
 664                         pwdbio = BIO_new_file(arg + 5, "r");
 665                         if(!pwdbio) {
 666                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 667                                 return NULL;
 668                         }
 669 #if !defined(_WIN32)
 670                 /*
 671                  * Under _WIN32, which covers even Win64 and CE, file
 672                  * descriptors referenced by BIO_s_fd are not inherited
 673                  * by child process and therefore below is not an option.
 674                  * It could have been an option if bss_fd.c was operating
 675                  * on real Windows descriptors, such as those obtained
 676                  * with CreateFile.
 677                  */
 678                 } else if(!strncmp(arg, "fd:", 3)) {
 679                         BIO *btmp;
 680                         i = atoi(arg + 3);
 681                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 682                         if((i < 0) || !pwdbio) {
 683                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 684                                 return NULL;
 685                         }
 686                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 687                         btmp = BIO_new(BIO_f_buffer());
 688                         pwdbio = BIO_push(btmp, pwdbio);
 689 #endif
 690                 } else if(!strcmp(arg, "stdin")) {
 691                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 692                         if(!pwdbio) {
 693                                 BIO_printf(err, "Can't open BIO for stdin\n");
 694                                 return NULL;
 695                         }
 696                 } else {
 697                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 698                         return NULL;
 699                 }
 700         }
 701         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 702         if(keepbio != 1) {
 703                 BIO_free_all(pwdbio);
 704                 pwdbio = NULL;
 705         }
 706         if(i <= 0) {
 707                 BIO_printf(err, "Error reading password from BIO\n");
 708                 return NULL;
 709         }
 710         tmp = strchr(tpass, '\n');
 711         if(tmp) *tmp = 0;
 712         return BUF_strdup(tpass);
 713 }
 714
 715 int add_oid_section(BIO *err, CONF *conf)
 716 {
 717         char *p;
 718         STACK_OF(CONF_VALUE) *sktmp;
 719         CONF_VALUE *cnf;
 720         int i;
 721         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 722                 {
 723                 ERR_clear_error();
 724                 return 1;
 725                 }
 726         if(!(sktmp = NCONF_get_section(conf, p))) {
 727                 BIO_printf(err, "problem loading oid section %s\n", p);
 728                 return 0;
 729         }
 730         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 731                 cnf = sk_CONF_VALUE_value(sktmp, i);
 732                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 733                         BIO_printf(err, "problem creating object %s=%s\n",
 734                                                          cnf->name, cnf->value);
 735                         return 0;
 736                 }
 737         }
 738         return 1;
 739 }
 740
 741 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 742                 pem_password_cb *pem_cb,  void *cb_data,
 743                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 744         {
 745         const char *pass;
 746         char tpass[PEM_BUFSIZE];
 747         int len, ret = 0;
 748         PKCS12 *p12;
 749         p12 = d2i_PKCS12_bio(in, NULL);
 750         if (p12 == NULL)
 751                 {
 752                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 753                 goto die;
 754                 }
 755         /* See if an empty password will do */
 756         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 757                 pass = "";
 758         else
 759                 {
 760                 if (!pem_cb)
 761                         pem_cb = (pem_password_cb *)password_callback;
 762                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 763                 if (len < 0)
 764                         {
 765                         BIO_printf(err, "Passpharse callback error for %s\n",
 766                                         desc);
 767                         goto die;
 768                         }
 769                 if (len < PEM_BUFSIZE)
 770                         tpass[len] = 0;
 771                 if (!PKCS12_verify_mac(p12, tpass, len))
 772                         {
 773                         BIO_printf(err,
 774         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 775                         goto die;
 776                         }
 777                 pass = tpass;
 778                 }
 779         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 780         die:
 781         if (p12)
 782                 PKCS12_free(p12);
 783         return ret;
 784         }
 785
 786 X509 *load_cert(BIO *err, const char *file, int format,
 787         const char *pass, ENGINE *e, const char *cert_descrip)
 788         {
 789         X509 *x=NULL;
 790         BIO *cert;
 791
 792         if ((cert=BIO_new(BIO_s_file())) == NULL)
 793                 {
 794                 ERR_print_errors(err);
 795                 goto end;
 796                 }
 797
 798         if (file == NULL)
 799                 {
 800 #ifdef _IONBF
 801 # ifndef OPENSSL_NO_SETVBUF_IONBF
 802                 setvbuf(stdin, NULL, _IONBF, 0);
 803 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
 804 #endif
 805                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 806                 }
 807         else
 808                 {
 809                 if (BIO_read_filename(cert,file) <= 0)
 810                         {
 811                         BIO_printf(err, "Error opening %s %s\n",
 812                                 cert_descrip, file);
 813                         ERR_print_errors(err);
 814                         goto end;
 815                         }
 816                 }
 817
 818         if      (format == FORMAT_ASN1)
 819                 x=d2i_X509_bio(cert,NULL);
 820         else if (format == FORMAT_NETSCAPE)
 821                 {
 822                 NETSCAPE_X509 *nx;
 823                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
 824                 if (nx == NULL)
 825                                 goto end;
 826
 827                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
 828                         nx->header->length) != 0))
 829                         {
 830                         NETSCAPE_X509_free(nx);
 831                         BIO_printf(err,"Error reading header on certificate\n");
 832                         goto end;
 833                         }
 834                 x=nx->cert;
 835                 nx->cert = NULL;
 836                 NETSCAPE_X509_free(nx);
 837                 }
 838         else if (format == FORMAT_PEM)
 839                 x=PEM_read_bio_X509_AUX(cert,NULL,
 840                         (pem_password_cb *)password_callback, NULL);
 841         else if (format == FORMAT_PKCS12)
 842                 {
 843                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 844                                         NULL, &x, NULL))
 845                         goto end;
 846                 }
 847         else    {
 848                 BIO_printf(err,"bad input format specified for %s\n",
 849                         cert_descrip);
 850                 goto end;
 851                 }
 852 end:
 853         if (x == NULL)
 854                 {
 855                 BIO_printf(err,"unable to load certificate\n");
 856                 ERR_print_errors(err);
 857                 }
 858         if (cert != NULL) BIO_free(cert);
 859         return(x);
 860         }
 861
 862 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 863         const char *pass, ENGINE *e, const char *key_descrip)
 864         {
 865         BIO *key=NULL;
 866         EVP_PKEY *pkey=NULL;
 867         PW_CB_DATA cb_data;
 868
 869         cb_data.password = pass;
 870         cb_data.prompt_info = file;
 871
 872         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 873                 {
 874                 BIO_printf(err,"no keyfile specified\n");
 875                 goto end;
 876                 }
 877 #ifndef OPENSSL_NO_ENGINE
 878         if (format == FORMAT_ENGINE)
 879                 {
 880                 if (!e)
 881                         BIO_printf(err,"no engine specified\n");
 882                 else
 883                         {
 884                         pkey = ENGINE_load_private_key(e, file,
 885                                 ui_method, &cb_data);
 886                         if (!pkey)
 887                                 {
 888                                 BIO_printf(err,"cannot load %s from engine\n",key_descrip);
 889                                 ERR_print_errors(err);
 890                                 }
 891                         }
 892                 goto end;
 893                 }
 894 #endif
 895         key=BIO_new(BIO_s_file());
 896         if (key == NULL)
 897                 {
 898                 ERR_print_errors(err);
 899                 goto end;
 900                 }
 901         if (file == NULL && maybe_stdin)
 902                 {
 903 #ifdef _IONBF
 904 # ifndef OPENSSL_NO_SETVBUF_IONBF
 905                 setvbuf(stdin, NULL, _IONBF, 0);
 906 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
 907 #endif
 908                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 909                 }
 910         else
 911                 if (BIO_read_filename(key,file) <= 0)
 912                         {
 913                         BIO_printf(err, "Error opening %s %s\n",
 914                                 key_descrip, file);
 915                         ERR_print_errors(err);
 916                         goto end;
 917                         }
 918         if (format == FORMAT_ASN1)
 919                 {
 920                 pkey=d2i_PrivateKey_bio(key, NULL);
 921                 }
 922         else if (format == FORMAT_PEM)
 923                 {
 924                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 925                         (pem_password_cb *)password_callback, &cb_data);
 926                 }
 927 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 928         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 929                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 930 #endif
 931         else if (format == FORMAT_PKCS12)
 932                 {
 933                 if (!load_pkcs12(err, key, key_descrip,
 934                                 (pem_password_cb *)password_callback, &cb_data,
 935                                 &pkey, NULL, NULL))
 936                         goto end;
 937                 }
 938 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
 939         else if (format == FORMAT_MSBLOB)
 940                 pkey = b2i_PrivateKey_bio(key);
 941         else if (format == FORMAT_PVK)
 942                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
 943                                                                 &cb_data);
 944 #endif
 945         else
 946                 {
 947                 BIO_printf(err,"bad input format specified for key file\n");
 948                 goto end;
 949                 }
 950  end:
 951         if (key != NULL) BIO_free(key);
 952         if (pkey == NULL)
 953                 {
 954                 BIO_printf(err,"unable to load %s\n", key_descrip);
 955                 ERR_print_errors(err);
 956                 }
 957         return(pkey);
 958         }
 959
 960 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 961         const char *pass, ENGINE *e, const char *key_descrip)
 962         {
 963         BIO *key=NULL;
 964         EVP_PKEY *pkey=NULL;
 965         PW_CB_DATA cb_data;
 966
 967         cb_data.password = pass;
 968         cb_data.prompt_info = file;
 969
 970         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 971                 {
 972                 BIO_printf(err,"no keyfile specified\n");
 973                 goto end;
 974                 }
 975 #ifndef OPENSSL_NO_ENGINE
 976         if (format == FORMAT_ENGINE)
 977                 {
 978                 if (!e)
 979                         BIO_printf(bio_err,"no engine specified\n");
 980                 else
 981                         pkey = ENGINE_load_public_key(e, file,
 982                                 ui_method, &cb_data);
 983                 goto end;
 984                 }
 985 #endif
 986         key=BIO_new(BIO_s_file());
 987         if (key == NULL)
 988                 {
 989                 ERR_print_errors(err);
 990                 goto end;
 991                 }
 992         if (file == NULL && maybe_stdin)
 993                 {
 994 #ifdef _IONBF
 995 # ifndef OPENSSL_NO_SETVBUF_IONBF
 996                 setvbuf(stdin, NULL, _IONBF, 0);
 997 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
 998 #endif
 999                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
1000                 }
1001         else
1002                 if (BIO_read_filename(key,file) <= 0)
1003                         {
1004                         BIO_printf(err, "Error opening %s %s\n",
1005                                 key_descrip, file);
1006                         ERR_print_errors(err);
1007                         goto end;
1008                 }
1009         if (format == FORMAT_ASN1)
1010                 {
1011                 pkey=d2i_PUBKEY_bio(key, NULL);
1012                 }
1013 #ifndef OPENSSL_NO_RSA
1014         else if (format == FORMAT_ASN1RSA)
1015                 {
1016                 RSA *rsa;
1017                 rsa = d2i_RSAPublicKey_bio(key, NULL);
1018                 if (rsa)
1019                         {
1020                         pkey = EVP_PKEY_new();
1021                         if (pkey)
1022                                 EVP_PKEY_set1_RSA(pkey, rsa);
1023                         RSA_free(rsa);
1024                         }
1025                 else
1026                         pkey = NULL;
1027                 }
1028         else if (format == FORMAT_PEMRSA)
1029                 {
1030                 RSA *rsa;
1031                 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1032                         (pem_password_cb *)password_callback, &cb_data);
1033                 if (rsa)
1034                         {
1035                         pkey = EVP_PKEY_new();
1036                         if (pkey)
1037                                 EVP_PKEY_set1_RSA(pkey, rsa);
1038                         RSA_free(rsa);
1039                         }
1040                 else
1041                         pkey = NULL;
1042                 }
1043 #endif
1044         else if (format == FORMAT_PEM)
1045                 {
1046                 pkey=PEM_read_bio_PUBKEY(key,NULL,
1047                         (pem_password_cb *)password_callback, &cb_data);
1048                 }
1049 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1050         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1051                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1052 #endif
1053 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1054         else if (format == FORMAT_MSBLOB)
1055                 pkey = b2i_PublicKey_bio(key);
1056 #endif
1057         else
1058                 {
1059                 BIO_printf(err,"bad input format specified for key file\n");
1060                 goto end;
1061                 }
1062  end:
1063         if (key != NULL) BIO_free(key);
1064         if (pkey == NULL)
1065                 BIO_printf(err,"unable to load %s\n", key_descrip);
1066         return(pkey);
1067         }
1068
1069 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1070 static EVP_PKEY *
1071 load_netscape_key(BIO *err, BIO *key, const char *file,
1072                 const char *key_descrip, int format)
1073         {
1074         EVP_PKEY *pkey;
1075         BUF_MEM *buf;
1076         RSA     *rsa;
1077         const unsigned char *p;
1078         int size, i;
1079
1080         buf=BUF_MEM_new();
1081         pkey = EVP_PKEY_new();
1082         size = 0;
1083         if (buf == NULL || pkey == NULL)
1084                 goto error;
1085         for (;;)
1086                 {
1087                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1088                         goto error;
1089                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1090                 size += i;
1091                 if (i == 0)
1092                         break;
1093                 if (i < 0)
1094                         {
1095                                 BIO_printf(err, "Error reading %s %s",
1096                                         key_descrip, file);
1097                                 goto error;
1098                         }
1099                 }
1100         p=(unsigned char *)buf->data;
1101         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1102                 (format == FORMAT_IISSGC ? 1 : 0));
1103         if (rsa == NULL)
1104                 goto error;
1105         BUF_MEM_free(buf);
1106         EVP_PKEY_set1_RSA(pkey, rsa);
1107         return pkey;
1108 error:
1109         BUF_MEM_free(buf);
1110         EVP_PKEY_free(pkey);
1111         return NULL;
1112         }
1113 #endif /* ndef OPENSSL_NO_RC4 */
1114
1115 static int load_certs_crls(BIO *err, const char *file, int format,
1116         const char *pass, ENGINE *e, const char *desc,
1117         STACK_OF(X509) **pcerts, STACK_OF(X509_CRL) **pcrls)
1118         {
1119         int i;
1120         BIO *bio;
1121         STACK_OF(X509_INFO) *xis = NULL;
1122         X509_INFO *xi;
1123         PW_CB_DATA cb_data;
1124         int rv = 0;
1125
1126         cb_data.password = pass;
1127         cb_data.prompt_info = file;
1128
1129         if (format != FORMAT_PEM)
1130                 {
1131                 BIO_printf(err,"bad input format specified for %s\n", desc);
1132                 return 0;
1133                 }
1134
1135         if (file == NULL)
1136                 bio = BIO_new_fp(stdin,BIO_NOCLOSE);
1137         else
1138                 bio = BIO_new_file(file, "r");
1139
1140         if (bio == NULL)
1141                 {
1142                 BIO_printf(err, "Error opening %s %s\n",
1143                                 desc, file ? file : "stdin");
1144                 ERR_print_errors(err);
1145                 return 0;
1146                 }
1147
1148         xis = PEM_X509_INFO_read_bio(bio, NULL,
1149                                 (pem_password_cb *)password_callback, &cb_data);
1150
1151         BIO_free(bio);
1152
1153         if (pcerts)
1154                 {
1155                 *pcerts = sk_X509_new_null();
1156                 if (!*pcerts)
1157                         goto end;
1158                 }
1159
1160         if (pcrls)
1161                 {
1162                 *pcrls = sk_X509_CRL_new_null();
1163                 if (!*pcrls)
1164                         goto end;
1165                 }
1166
1167         for(i = 0; i < sk_X509_INFO_num(xis); i++)
1168                 {
1169                 xi = sk_X509_INFO_value (xis, i);
1170                 if (xi->x509 && pcerts)
1171                         {
1172                         if (!sk_X509_push(*pcerts, xi->x509))
1173                                 goto end;
1174                         xi->x509 = NULL;
1175                         }
1176                 if (xi->crl && pcrls)
1177                         {
1178                         if (!sk_X509_CRL_push(*pcrls, xi->crl))
1179                                 goto end;
1180                         xi->crl = NULL;
1181                         }
1182                 }
1183
1184         if (pcerts && sk_X509_num(*pcerts) > 0)
1185                 rv = 1;
1186
1187         if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1188                 rv = 1;
1189
1190         end:
1191
1192         if (xis)
1193                 sk_X509_INFO_pop_free(xis, X509_INFO_free);
1194
1195         if (rv == 0)
1196                 {
1197                 if (pcerts)
1198                         {
1199                         sk_X509_pop_free(*pcerts, X509_free);
1200                         *pcerts = NULL;
1201                         }
1202                 if (pcrls)
1203                         {
1204                         sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1205                         *pcrls = NULL;
1206                         }
1207                 BIO_printf(err,"unable to load %s\n",
1208                                 pcerts ? "certificates" : "CRLs");
1209                 ERR_print_errors(err);
1210                 }
1211         return rv;
1212         }
1213
1214 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1215         const char *pass, ENGINE *e, const char *desc)
1216         {
1217         STACK_OF(X509) *certs;
1218         load_certs_crls(err, file, format, pass, e, desc, &certs, NULL);
1219         return certs;
1220         }
1221
1222 STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1223         const char *pass, ENGINE *e, const char *desc)
1224         {
1225         STACK_OF(X509_CRL) *crls;
1226         load_certs_crls(err, file, format, pass, e, desc, NULL, &crls);
1227         return crls;
1228         }
1229
1230 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1231 /* Return error for unknown extensions */
1232 #define X509V3_EXT_DEFAULT              0
1233 /* Print error for unknown extensions */
1234 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1235 /* ASN1 parse unknown extensions */
1236 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1237 /* BIO_dump unknown extensions */
1238 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1239
1240 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1241                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1242
1243 int set_cert_ex(unsigned long *flags, const char *arg)
1244 {
1245         static const NAME_EX_TBL cert_tbl[] = {
1246                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1247                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1248                 { "no_header", X509_FLAG_NO_HEADER, 0},
1249                 { "no_version", X509_FLAG_NO_VERSION, 0},
1250                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1251                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1252                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1253                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1254                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1255                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1256                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1257                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1258                 { "no_aux", X509_FLAG_NO_AUX, 0},
1259                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1260                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1261                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1262                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1263                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1264                 { NULL, 0, 0}
1265         };
1266         return set_multi_opts(flags, arg, cert_tbl);
1267 }
1268
1269 int set_name_ex(unsigned long *flags, const char *arg)
1270 {
1271         static const NAME_EX_TBL ex_tbl[] = {
1272                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1273                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1274                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1275                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1276                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1277                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1278                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1279                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1280                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1281                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1282                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1283                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1284                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1285                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1286                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1287                 { "dn_rev", XN_FLAG_DN_REV, 0},
1288                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1289                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1290                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1291                 { "align", XN_FLAG_FN_ALIGN, 0},
1292                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1293                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1294                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1295                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1296                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1297                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1298                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1299                 { NULL, 0, 0}
1300         };
1301         return set_multi_opts(flags, arg, ex_tbl);
1302 }
1303
1304 int set_ext_copy(int *copy_type, const char *arg)
1305 {
1306         if (!strcasecmp(arg, "none"))
1307                 *copy_type = EXT_COPY_NONE;
1308         else if (!strcasecmp(arg, "copy"))
1309                 *copy_type = EXT_COPY_ADD;
1310         else if (!strcasecmp(arg, "copyall"))
1311                 *copy_type = EXT_COPY_ALL;
1312         else
1313                 return 0;
1314         return 1;
1315 }
1316
1317 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1318 {
1319         STACK_OF(X509_EXTENSION) *exts = NULL;
1320         X509_EXTENSION *ext, *tmpext;
1321         ASN1_OBJECT *obj;
1322         int i, idx, ret = 0;
1323         if (!x || !req || (copy_type == EXT_COPY_NONE))
1324                 return 1;
1325         exts = X509_REQ_get_extensions(req);
1326
1327         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1328                 ext = sk_X509_EXTENSION_value(exts, i);
1329                 obj = X509_EXTENSION_get_object(ext);
1330                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1331                 /* Does extension exist? */
1332                 if (idx != -1) {
1333                         /* If normal copy don't override existing extension */
1334                         if (copy_type == EXT_COPY_ADD)
1335                                 continue;
1336                         /* Delete all extensions of same type */
1337                         do {
1338                                 tmpext = X509_get_ext(x, idx);
1339                                 X509_delete_ext(x, idx);
1340                                 X509_EXTENSION_free(tmpext);
1341                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1342                         } while (idx != -1);
1343                 }
1344                 if (!X509_add_ext(x, ext, -1))
1345                         goto end;
1346         }
1347
1348         ret = 1;
1349
1350         end:
1351
1352         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1353
1354         return ret;
1355 }
1356
1357
1358
1359
1360 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1361 {
1362         STACK_OF(CONF_VALUE) *vals;
1363         CONF_VALUE *val;
1364         int i, ret = 1;
1365         if(!arg) return 0;
1366         vals = X509V3_parse_list(arg);
1367         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1368                 val = sk_CONF_VALUE_value(vals, i);
1369                 if (!set_table_opts(flags, val->name, in_tbl))
1370                         ret = 0;
1371         }
1372         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1373         return ret;
1374 }
1375
1376 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1377 {
1378         char c;
1379         const NAME_EX_TBL *ptbl;
1380         c = arg[0];
1381
1382         if(c == '-') {
1383                 c = 0;
1384                 arg++;
1385         } else if (c == '+') {
1386                 c = 1;
1387                 arg++;
1388         } else c = 1;
1389
1390         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1391                 if(!strcasecmp(arg, ptbl->name)) {
1392                         *flags &= ~ptbl->mask;
1393                         if(c) *flags |= ptbl->flag;
1394                         else *flags &= ~ptbl->flag;
1395                         return 1;
1396                 }
1397         }
1398         return 0;
1399 }
1400
1401 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1402 {
1403         char *buf;
1404         char mline = 0;
1405         int indent = 0;
1406
1407         if(title) BIO_puts(out, title);
1408         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1409                 mline = 1;
1410                 indent = 4;
1411         }
1412         if(lflags == XN_FLAG_COMPAT) {
1413                 buf = X509_NAME_oneline(nm, 0, 0);
1414                 BIO_puts(out, buf);
1415                 BIO_puts(out, "\n");
1416                 OPENSSL_free(buf);
1417         } else {
1418                 if(mline) BIO_puts(out, "\n");
1419                 X509_NAME_print_ex(out, nm, indent, lflags);
1420                 BIO_puts(out, "\n");
1421         }
1422 }
1423
1424 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1425 {
1426         X509_STORE *store;
1427         X509_LOOKUP *lookup;
1428         if(!(store = X509_STORE_new())) goto end;
1429         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1430         if (lookup == NULL) goto end;
1431         if (CAfile) {
1432                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1433                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1434                         goto end;
1435                 }
1436         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1437
1438         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1439         if (lookup == NULL) goto end;
1440         if (CApath) {
1441                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1442                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1443                         goto end;
1444                 }
1445         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1446
1447         ERR_clear_error();
1448         return store;
1449         end:
1450         X509_STORE_free(store);
1451         return NULL;
1452 }
1453
1454 #ifndef OPENSSL_NO_ENGINE
1455 /* Try to load an engine in a shareable library */
1456 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1457         {
1458         ENGINE *e = ENGINE_by_id("dynamic");
1459         if (e)
1460                 {
1461                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1462                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1463                         {
1464                         ENGINE_free(e);
1465                         e = NULL;
1466                         }
1467                 }
1468         return e;
1469         }
1470
1471 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1472         {
1473         ENGINE *e = NULL;
1474
1475         if (engine)
1476                 {
1477                 if(strcmp(engine, "auto") == 0)
1478                         {
1479                         BIO_printf(err,"enabling auto ENGINE support\n");
1480                         ENGINE_register_all_complete();
1481                         return NULL;
1482                         }
1483                 if((e = ENGINE_by_id(engine)) == NULL
1484                         && (e = try_load_engine(err, engine, debug)) == NULL)
1485                         {
1486                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1487                         ERR_print_errors(err);
1488                         return NULL;
1489                         }
1490                 if (debug)
1491                         {
1492                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1493                                 0, err, 0);
1494                         }
1495                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1496                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1497                         {
1498                         BIO_printf(err,"can't use that engine\n");
1499                         ERR_print_errors(err);
1500                         ENGINE_free(e);
1501                         return NULL;
1502                         }
1503
1504                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1505
1506                 /* Free our "structural" reference. */
1507                 ENGINE_free(e);
1508                 }
1509         return e;
1510         }
1511 #endif
1512
1513 int load_config(BIO *err, CONF *cnf)
1514         {
1515         static int load_config_called = 0;
1516         if (load_config_called)
1517                 return 1;
1518         load_config_called = 1;
1519         if (!cnf)
1520                 cnf = config;
1521         if (!cnf)
1522                 return 1;
1523
1524         OPENSSL_load_builtin_modules();
1525
1526         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1527                 {
1528                 BIO_printf(err, "Error configuring OpenSSL\n");
1529                 ERR_print_errors(err);
1530                 return 0;
1531                 }
1532         return 1;
1533         }
1534
1535 char *make_config_name()
1536         {
1537         const char *t=X509_get_default_cert_area();
1538         size_t len;
1539         char *p;
1540
1541         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1542         p=OPENSSL_malloc(len);
1543         BUF_strlcpy(p,t,len);
1544 #ifndef OPENSSL_SYS_VMS
1545         BUF_strlcat(p,"/",len);
1546 #endif
1547         BUF_strlcat(p,OPENSSL_CONF,len);
1548
1549         return p;
1550         }
1551
1552 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1553         {
1554         const char *n;
1555
1556         n=a[DB_serial];
1557         while (*n == '0') n++;
1558         return(lh_strhash(n));
1559         }
1560
1561 static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1562         {
1563         const char *aa,*bb;
1564
1565         for (aa=a[DB_serial]; *aa == '0'; aa++);
1566         for (bb=b[DB_serial]; *bb == '0'; bb++);
1567         return(strcmp(aa,bb));
1568         }
1569
1570 static int index_name_qual(char **a)
1571         { return(a[0][0] == 'V'); }
1572
1573 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1574         { return(lh_strhash(a[DB_name])); }
1575
1576 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1577         { return(strcmp(a[DB_name], b[DB_name])); }
1578
1579 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1580 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1581 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1582 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1583
1584 #undef BSIZE
1585 #define BSIZE 256
1586
1587 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1588         {
1589         BIO *in=NULL;
1590         BIGNUM *ret=NULL;
1591         MS_STATIC char buf[1024];
1592         ASN1_INTEGER *ai=NULL;
1593
1594         ai=ASN1_INTEGER_new();
1595         if (ai == NULL) goto err;
1596
1597         if ((in=BIO_new(BIO_s_file())) == NULL)
1598                 {
1599                 ERR_print_errors(bio_err);
1600                 goto err;
1601                 }
1602
1603         if (BIO_read_filename(in,serialfile) <= 0)
1604                 {
1605                 if (!create)
1606                         {
1607                         perror(serialfile);
1608                         goto err;
1609                         }
1610                 else
1611                         {
1612                         ret=BN_new();
1613                         if (ret == NULL || !rand_serial(ret, ai))
1614                                 BIO_printf(bio_err, "Out of memory\n");
1615                         }
1616                 }
1617         else
1618                 {
1619                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1620                         {
1621                         BIO_printf(bio_err,"unable to load number from %s\n",
1622                                 serialfile);
1623                         goto err;
1624                         }
1625                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1626                 if (ret == NULL)
1627                         {
1628                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1629                         goto err;
1630                         }
1631                 }
1632
1633         if (ret && retai)
1634                 {
1635                 *retai = ai;
1636                 ai = NULL;
1637                 }
1638  err:
1639         if (in != NULL) BIO_free(in);
1640         if (ai != NULL) ASN1_INTEGER_free(ai);
1641         return(ret);
1642         }
1643
1644 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1645         {
1646         char buf[1][BSIZE];
1647         BIO *out = NULL;
1648         int ret=0;
1649         ASN1_INTEGER *ai=NULL;
1650         int j;
1651
1652         if (suffix == NULL)
1653                 j = strlen(serialfile);
1654         else
1655                 j = strlen(serialfile) + strlen(suffix) + 1;
1656         if (j >= BSIZE)
1657                 {
1658                 BIO_printf(bio_err,"file name too long\n");
1659                 goto err;
1660                 }
1661
1662         if (suffix == NULL)
1663                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1664         else
1665                 {
1666 #ifndef OPENSSL_SYS_VMS
1667                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1668 #else
1669                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1670 #endif
1671                 }
1672 #ifdef RL_DEBUG
1673         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1674 #endif
1675         out=BIO_new(BIO_s_file());
1676         if (out == NULL)
1677                 {
1678                 ERR_print_errors(bio_err);
1679                 goto err;
1680                 }
1681         if (BIO_write_filename(out,buf[0]) <= 0)
1682                 {
1683                 perror(serialfile);
1684                 goto err;
1685                 }
1686
1687         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1688                 {
1689                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1690                 goto err;
1691                 }
1692         i2a_ASN1_INTEGER(out,ai);
1693         BIO_puts(out,"\n");
1694         ret=1;
1695         if (retai)
1696                 {
1697                 *retai = ai;
1698                 ai = NULL;
1699                 }
1700 err:
1701         if (out != NULL) BIO_free_all(out);
1702         if (ai != NULL) ASN1_INTEGER_free(ai);
1703         return(ret);
1704         }
1705
1706 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1707         {
1708         char buf[5][BSIZE];
1709         int i,j;
1710
1711         i = strlen(serialfile) + strlen(old_suffix);
1712         j = strlen(serialfile) + strlen(new_suffix);
1713         if (i > j) j = i;
1714         if (j + 1 >= BSIZE)
1715                 {
1716                 BIO_printf(bio_err,"file name too long\n");
1717                 goto err;
1718                 }
1719
1720 #ifndef OPENSSL_SYS_VMS
1721         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1722                 serialfile, new_suffix);
1723 #else
1724         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1725                 serialfile, new_suffix);
1726 #endif
1727 #ifndef OPENSSL_SYS_VMS
1728         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1729                 serialfile, old_suffix);
1730 #else
1731         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1732                 serialfile, old_suffix);
1733 #endif
1734 #ifdef RL_DEBUG
1735         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1736                 serialfile, buf[1]);
1737 #endif
1738         if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1739 #ifdef ENOTDIR
1740                         && errno != ENOTDIR
1741 #endif
1742            )            {
1743                         BIO_printf(bio_err,
1744                                 "unable to rename %s to %s\n",
1745                                 serialfile, buf[1]);
1746                         perror("reason");
1747                         goto err;
1748                         }
1749 #ifdef RL_DEBUG
1750         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1751                 buf[0],serialfile);
1752 #endif
1753         if (rename(buf[0],serialfile) < 0)
1754                 {
1755                 BIO_printf(bio_err,
1756                         "unable to rename %s to %s\n",
1757                         buf[0],serialfile);
1758                 perror("reason");
1759                 rename(buf[1],serialfile);
1760                 goto err;
1761                 }
1762         return 1;
1763  err:
1764         return 0;
1765         }
1766
1767 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1768         {
1769         BIGNUM *btmp;
1770         int ret = 0;
1771         if (b)
1772                 btmp = b;
1773         else
1774                 btmp = BN_new();
1775
1776         if (!btmp)
1777                 return 0;
1778
1779         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1780                 goto error;
1781         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1782                 goto error;
1783
1784         ret = 1;
1785
1786         error:
1787
1788         if (!b)
1789                 BN_free(btmp);
1790
1791         return ret;
1792         }
1793
1794 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1795         {
1796         CA_DB *retdb = NULL;
1797         TXT_DB *tmpdb = NULL;
1798         BIO *in = BIO_new(BIO_s_file());
1799         CONF *dbattr_conf = NULL;
1800         char buf[1][BSIZE];
1801         long errorline= -1;
1802
1803         if (in == NULL)
1804                 {
1805                 ERR_print_errors(bio_err);
1806                 goto err;
1807                 }
1808         if (BIO_read_filename(in,dbfile) <= 0)
1809                 {
1810                 perror(dbfile);
1811                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1812                 goto err;
1813                 }
1814         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1815                 goto err;
1816
1817 #ifndef OPENSSL_SYS_VMS
1818         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1819 #else
1820         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1821 #endif
1822         dbattr_conf = NCONF_new(NULL);
1823         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1824                 {
1825                 if (errorline > 0)
1826                         {
1827                         BIO_printf(bio_err,
1828                                 "error on line %ld of db attribute file '%s'\n"
1829                                 ,errorline,buf[0]);
1830                         goto err;
1831                         }
1832                 else
1833                         {
1834                         NCONF_free(dbattr_conf);
1835                         dbattr_conf = NULL;
1836                         }
1837                 }
1838
1839         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1840                 {
1841                 fprintf(stderr, "Out of memory\n");
1842                 goto err;
1843                 }
1844
1845         retdb->db = tmpdb;
1846         tmpdb = NULL;
1847         if (db_attr)
1848                 retdb->attributes = *db_attr;
1849         else
1850                 {
1851                 retdb->attributes.unique_subject = 1;
1852                 }
1853
1854         if (dbattr_conf)
1855                 {
1856                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1857                 if (p)
1858                         {
1859 #ifdef RL_DEBUG
1860                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1861 #endif
1862                         retdb->attributes.unique_subject = parse_yesno(p,1);
1863                         }
1864                 }
1865
1866  err:
1867         if (dbattr_conf) NCONF_free(dbattr_conf);
1868         if (tmpdb) TXT_DB_free(tmpdb);
1869         if (in) BIO_free_all(in);
1870         return retdb;
1871         }
1872
1873 int index_index(CA_DB *db)
1874         {
1875         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1876                                 LHASH_HASH_FN(index_serial),
1877                                 LHASH_COMP_FN(index_serial)))
1878                 {
1879                 BIO_printf(bio_err,
1880                   "error creating serial number index:(%ld,%ld,%ld)\n",
1881                                         db->db->error,db->db->arg1,db->db->arg2);
1882                         return 0;
1883                 }
1884
1885         if (db->attributes.unique_subject
1886                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1887                         LHASH_HASH_FN(index_name),
1888                         LHASH_COMP_FN(index_name)))
1889                 {
1890                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1891                         db->db->error,db->db->arg1,db->db->arg2);
1892                 return 0;
1893                 }
1894         return 1;
1895         }
1896
1897 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1898         {
1899         char buf[3][BSIZE];
1900         BIO *out = BIO_new(BIO_s_file());
1901         int j;
1902
1903         if (out == NULL)
1904                 {
1905                 ERR_print_errors(bio_err);
1906                 goto err;
1907                 }
1908
1909         j = strlen(dbfile) + strlen(suffix);
1910         if (j + 6 >= BSIZE)
1911                 {
1912                 BIO_printf(bio_err,"file name too long\n");
1913                 goto err;
1914                 }
1915
1916 #ifndef OPENSSL_SYS_VMS
1917         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1918 #else
1919         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1920 #endif
1921 #ifndef OPENSSL_SYS_VMS
1922         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1923 #else
1924         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1925 #endif
1926 #ifndef OPENSSL_SYS_VMS
1927         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1928 #else
1929         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1930 #endif
1931 #ifdef RL_DEBUG
1932         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1933 #endif
1934         if (BIO_write_filename(out,buf[0]) <= 0)
1935                 {
1936                 perror(dbfile);
1937                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1938                 goto err;
1939                 }
1940         j=TXT_DB_write(out,db->db);
1941         if (j <= 0) goto err;
1942
1943         BIO_free(out);
1944
1945         out = BIO_new(BIO_s_file());
1946 #ifdef RL_DEBUG
1947         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1948 #endif
1949         if (BIO_write_filename(out,buf[1]) <= 0)
1950                 {
1951                 perror(buf[2]);
1952                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1953                 goto err;
1954                 }
1955         BIO_printf(out,"unique_subject = %s\n",
1956                 db->attributes.unique_subject ? "yes" : "no");
1957         BIO_free(out);
1958
1959         return 1;
1960  err:
1961         return 0;
1962         }
1963
1964 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1965         {
1966         char buf[5][BSIZE];
1967         int i,j;
1968
1969         i = strlen(dbfile) + strlen(old_suffix);
1970         j = strlen(dbfile) + strlen(new_suffix);
1971         if (i > j) j = i;
1972         if (j + 6 >= BSIZE)
1973                 {
1974                 BIO_printf(bio_err,"file name too long\n");
1975                 goto err;
1976                 }
1977
1978 #ifndef OPENSSL_SYS_VMS
1979         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1980 #else
1981         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1982 #endif
1983 #ifndef OPENSSL_SYS_VMS
1984         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1985                 dbfile, new_suffix);
1986 #else
1987         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1988                 dbfile, new_suffix);
1989 #endif
1990 #ifndef OPENSSL_SYS_VMS
1991         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1992                 dbfile, new_suffix);
1993 #else
1994         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1995                 dbfile, new_suffix);
1996 #endif
1997 #ifndef OPENSSL_SYS_VMS
1998         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1999                 dbfile, old_suffix);
2000 #else
2001         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
2002                 dbfile, old_suffix);
2003 #endif
2004 #ifndef OPENSSL_SYS_VMS
2005         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
2006                 dbfile, old_suffix);
2007 #else
2008         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
2009                 dbfile, old_suffix);
2010 #endif
2011 #ifdef RL_DEBUG
2012         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2013                 dbfile, buf[1]);
2014 #endif
2015         if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
2016 #ifdef ENOTDIR
2017                 && errno != ENOTDIR
2018 #endif
2019            )            {
2020                         BIO_printf(bio_err,
2021                                 "unable to rename %s to %s\n",
2022                                 dbfile, buf[1]);
2023                         perror("reason");
2024                         goto err;
2025                         }
2026 #ifdef RL_DEBUG
2027         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2028                 buf[0],dbfile);
2029 #endif
2030         if (rename(buf[0],dbfile) < 0)
2031                 {
2032                 BIO_printf(bio_err,
2033                         "unable to rename %s to %s\n",
2034                         buf[0],dbfile);
2035                 perror("reason");
2036                 rename(buf[1],dbfile);
2037                 goto err;
2038                 }
2039 #ifdef RL_DEBUG
2040         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2041                 buf[4],buf[3]);
2042 #endif
2043         if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
2044 #ifdef ENOTDIR
2045                 && errno != ENOTDIR
2046 #endif
2047            )            {
2048                         BIO_printf(bio_err,
2049                                 "unable to rename %s to %s\n",
2050                                 buf[4], buf[3]);
2051                         perror("reason");
2052                         rename(dbfile,buf[0]);
2053                         rename(buf[1],dbfile);
2054                         goto err;
2055                         }
2056 #ifdef RL_DEBUG
2057         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2058                 buf[2],buf[4]);
2059 #endif
2060         if (rename(buf[2],buf[4]) < 0)
2061                 {
2062                 BIO_printf(bio_err,
2063                         "unable to rename %s to %s\n",
2064                         buf[2],buf[4]);
2065                 perror("reason");
2066                 rename(buf[3],buf[4]);
2067                 rename(dbfile,buf[0]);
2068                 rename(buf[1],dbfile);
2069                 goto err;
2070                 }
2071         return 1;
2072  err:
2073         return 0;
2074         }
2075
2076 void free_index(CA_DB *db)
2077         {
2078         if (db)
2079                 {
2080                 if (db->db) TXT_DB_free(db->db);
2081                 OPENSSL_free(db);
2082                 }
2083         }
2084
2085 int parse_yesno(const char *str, int def)
2086         {
2087         int ret = def;
2088         if (str)
2089                 {
2090                 switch (*str)
2091                         {
2092                 case 'f': /* false */
2093                 case 'F': /* FALSE */
2094                 case 'n': /* no */
2095                 case 'N': /* NO */
2096                 case '0': /* 0 */
2097                         ret = 0;
2098                         break;
2099                 case 't': /* true */
2100                 case 'T': /* TRUE */
2101                 case 'y': /* yes */
2102                 case 'Y': /* YES */
2103                 case '1': /* 1 */
2104                         ret = 1;
2105                         break;
2106                 default:
2107                         ret = def;
2108                         break;
2109                         }
2110                 }
2111         return ret;
2112         }
2113
2114 /*
2115  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2116  * where characters may be escaped by \
2117  */
2118 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2119         {
2120         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2121         char *buf = OPENSSL_malloc(buflen);
2122         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2123         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2124         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2125         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2126
2127         char *sp = subject, *bp = buf;
2128         int i, ne_num = 0;
2129
2130         X509_NAME *n = NULL;
2131         int nid;
2132
2133         if (!buf || !ne_types || !ne_values)
2134                 {
2135                 BIO_printf(bio_err, "malloc error\n");
2136                 goto error;
2137                 }
2138
2139         if (*subject != '/')
2140                 {
2141                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2142                 goto error;
2143                 }
2144         sp++; /* skip leading / */
2145
2146         /* no multivalued RDN by default */
2147         mval[ne_num] = 0;
2148
2149         while (*sp)
2150                 {
2151                 /* collect type */
2152                 ne_types[ne_num] = bp;
2153                 while (*sp)
2154                         {
2155                         if (*sp == '\\') /* is there anything to escape in the type...? */
2156                                 {
2157                                 if (*++sp)
2158                                         *bp++ = *sp++;
2159                                 else
2160                                         {
2161                                         BIO_printf(bio_err, "escape character at end of string\n");
2162                                         goto error;
2163                                         }
2164                                 }
2165                         else if (*sp == '=')
2166                                 {
2167                                 sp++;
2168                                 *bp++ = '\0';
2169                                 break;
2170                                 }
2171                         else
2172                                 *bp++ = *sp++;
2173                         }
2174                 if (!*sp)
2175                         {
2176                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2177                         goto error;
2178                         }
2179                 ne_values[ne_num] = bp;
2180                 while (*sp)
2181                         {
2182                         if (*sp == '\\')
2183                                 {
2184                                 if (*++sp)
2185                                         *bp++ = *sp++;
2186                                 else
2187                                         {
2188                                         BIO_printf(bio_err, "escape character at end of string\n");
2189                                         goto error;
2190                                         }
2191                                 }
2192                         else if (*sp == '/')
2193                                 {
2194                                 sp++;
2195                                 /* no multivalued RDN by default */
2196                                 mval[ne_num+1] = 0;
2197                                 break;
2198                                 }
2199                         else if (*sp == '+' && multirdn)
2200                                 {
2201                                 /* a not escaped + signals a mutlivalued RDN */
2202                                 sp++;
2203                                 mval[ne_num+1] = -1;
2204                                 break;
2205                                 }
2206                         else
2207                                 *bp++ = *sp++;
2208                         }
2209                 *bp++ = '\0';
2210                 ne_num++;
2211                 }
2212
2213         if (!(n = X509_NAME_new()))
2214                 goto error;
2215
2216         for (i = 0; i < ne_num; i++)
2217                 {
2218                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2219                         {
2220                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2221                         continue;
2222                         }
2223
2224                 if (!*ne_values[i])
2225                         {
2226                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2227                         continue;
2228                         }
2229
2230                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2231                         goto error;
2232                 }
2233
2234         OPENSSL_free(ne_values);
2235         OPENSSL_free(ne_types);
2236         OPENSSL_free(buf);
2237         return n;
2238
2239 error:
2240         X509_NAME_free(n);
2241         if (ne_values)
2242                 OPENSSL_free(ne_values);
2243         if (ne_types)
2244                 OPENSSL_free(ne_types);
2245         if (buf)
2246                 OPENSSL_free(buf);
2247         return NULL;
2248 }
2249
2250 int args_verify(char ***pargs, int *pargc,
2251                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2252         {
2253         ASN1_OBJECT *otmp = NULL;
2254         unsigned long flags = 0;
2255         int i;
2256         int purpose = 0, depth = -1;
2257         char **oldargs = *pargs;
2258         char *arg = **pargs, *argn = (*pargs)[1];
2259         const X509_VERIFY_PARAM *vpm = NULL;
2260         time_t at_time = 0;
2261         if (!strcmp(arg, "-policy"))
2262                 {
2263                 if (!argn)
2264                         *badarg = 1;
2265                 else
2266                         {
2267                         otmp = OBJ_txt2obj(argn, 0);
2268                         if (!otmp)
2269                                 {
2270                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2271                                                                         argn);
2272                                 *badarg = 1;
2273                                 }
2274                         }
2275                 (*pargs)++;
2276                 }
2277         else if (strcmp(arg,"-purpose") == 0)
2278                 {
2279                 X509_PURPOSE *xptmp;
2280                 if (!argn)
2281                         *badarg = 1;
2282                 else
2283                         {
2284                         i = X509_PURPOSE_get_by_sname(argn);
2285                         if(i < 0)
2286                                 {
2287                                 BIO_printf(err, "unrecognized purpose\n");
2288                                 *badarg = 1;
2289                                 }
2290                         else
2291                                 {
2292                                 xptmp = X509_PURPOSE_get0(i);
2293                                 purpose = X509_PURPOSE_get_id(xptmp);
2294                                 }
2295                         }
2296                 (*pargs)++;
2297                 }
2298         else if (strcmp(arg,"-verify_name") == 0)
2299                 {
2300                 if (!argn)
2301                         *badarg = 1;
2302                 else
2303                         {
2304                         vpm = X509_VERIFY_PARAM_lookup(argn);
2305                         if(!vpm)
2306                                 {
2307                                 BIO_printf(err, "unrecognized verify name\n");
2308                                 *badarg = 1;
2309                                 }
2310                         }
2311                 (*pargs)++;
2312                 }
2313         else if (strcmp(arg,"-verify_depth") == 0)
2314                 {
2315                 if (!argn)
2316                         *badarg = 1;
2317                 else
2318                         {
2319                         depth = atoi(argn);
2320                         if(depth < 0)
2321                                 {
2322                                 BIO_printf(err, "invalid depth\n");
2323                                 *badarg = 1;
2324                                 }
2325                         }
2326                 (*pargs)++;
2327                 }
2328         else if (strcmp(arg,"-attime") == 0)
2329                 {
2330                 if (!argn)
2331                         *badarg = 1;
2332                 else
2333                         {
2334                         long timestamp;
2335                         /* interpret argument as seconds since Epoch */
2336                         if (sscanf(argn, "%li", &timestamp) != 1)
2337                                 {
2338                                 BIO_printf(bio_err,
2339                                                 "Error parsing timestamp %s\n",
2340                                                 argn);
2341                                 *badarg = 1;
2342                                 }
2343                         /* on some platforms time_t may be a float */
2344                         at_time = (time_t) timestamp;
2345                         }
2346                 (*pargs)++;
2347                 }
2348         else if (!strcmp(arg, "-ignore_critical"))
2349                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2350         else if (!strcmp(arg, "-issuer_checks"))
2351                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2352         else if (!strcmp(arg, "-crl_check"))
2353                 flags |=  X509_V_FLAG_CRL_CHECK;
2354         else if (!strcmp(arg, "-crl_check_all"))
2355                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2356         else if (!strcmp(arg, "-policy_check"))
2357                 flags |= X509_V_FLAG_POLICY_CHECK;
2358         else if (!strcmp(arg, "-explicit_policy"))
2359                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2360         else if (!strcmp(arg, "-inhibit_any"))
2361                 flags |= X509_V_FLAG_INHIBIT_ANY;
2362         else if (!strcmp(arg, "-inhibit_map"))
2363                 flags |= X509_V_FLAG_INHIBIT_MAP;
2364         else if (!strcmp(arg, "-x509_strict"))
2365                 flags |= X509_V_FLAG_X509_STRICT;
2366         else if (!strcmp(arg, "-extended_crl"))
2367                 flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2368         else if (!strcmp(arg, "-use_deltas"))
2369                 flags |= X509_V_FLAG_USE_DELTAS;
2370         else if (!strcmp(arg, "-policy_print"))
2371                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2372         else if (!strcmp(arg, "-check_ss_sig"))
2373                 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2374         else if (!strcmp(arg, "-trusted_first"))
2375                 flags |= X509_V_FLAG_TRUSTED_FIRST;
2376         else
2377                 return 0;
2378
2379         if (*badarg)
2380                 {
2381                 if (*pm)
2382                         X509_VERIFY_PARAM_free(*pm);
2383                 *pm = NULL;
2384                 goto end;
2385                 }
2386
2387         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2388                 {
2389                 *badarg = 1;
2390                 goto end;
2391                 }
2392
2393         if (vpm)
2394                 X509_VERIFY_PARAM_set1(*pm, vpm);
2395
2396         if (otmp)
2397                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2398         if (flags)
2399                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2400
2401         if (purpose)
2402                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2403
2404         if (depth >= 0)
2405                 X509_VERIFY_PARAM_set_depth(*pm, depth);
2406
2407         if (at_time)
2408                 X509_VERIFY_PARAM_set_time(*pm, at_time);
2409
2410         end:
2411
2412         (*pargs)++;
2413
2414         if (pargc)
2415                 *pargc -= *pargs - oldargs;
2416
2417         return 1;
2418
2419         }
2420
2421 /* Read whole contents of a BIO into an allocated memory buffer and
2422  * return it.
2423  */
2424
2425 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2426         {
2427         BIO *mem;
2428         int len, ret;
2429         unsigned char tbuf[1024];
2430         mem = BIO_new(BIO_s_mem());
2431         if (!mem)
2432                 return -1;
2433         for(;;)
2434                 {
2435                 if ((maxlen != -1) && maxlen < 1024)
2436                         len = maxlen;
2437                 else
2438                         len = 1024;
2439                 len = BIO_read(in, tbuf, len);
2440                 if (len <= 0)
2441                         break;
2442                 if (BIO_write(mem, tbuf, len) != len)
2443                         {
2444                         BIO_free(mem);
2445                         return -1;
2446                         }
2447                 maxlen -= len;
2448
2449                 if (maxlen == 0)
2450                         break;
2451                 }
2452         ret = BIO_get_mem_data(mem, (char **)out);
2453         BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2454         BIO_free(mem);
2455         return ret;
2456         }
2457
2458 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2459         {
2460         int rv;
2461         char *stmp, *vtmp = NULL;
2462         stmp = BUF_strdup(value);
2463         if (!stmp)
2464                 return -1;
2465         vtmp = strchr(stmp, ':');
2466         if (vtmp)
2467                 {
2468                 *vtmp = 0;
2469                 vtmp++;
2470                 }
2471         rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2472         OPENSSL_free(stmp);
2473         return rv;
2474         }
2475
2476 static void nodes_print(BIO *out, const char *name,
2477         STACK_OF(X509_POLICY_NODE) *nodes)
2478         {
2479         X509_POLICY_NODE *node;
2480         int i;
2481         BIO_printf(out, "%s Policies:", name);
2482         if (nodes)
2483                 {
2484                 BIO_puts(out, "\n");
2485                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2486                         {
2487                         node = sk_X509_POLICY_NODE_value(nodes, i);
2488                         X509_POLICY_NODE_print(out, node, 2);
2489                         }
2490                 }
2491         else
2492                 BIO_puts(out, " <empty>\n");
2493         }
2494
2495 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2496         {
2497         X509_POLICY_TREE *tree;
2498         int explicit_policy;
2499         int free_out = 0;
2500         if (out == NULL)
2501                 {
2502                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2503                 free_out = 1;
2504                 }
2505         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2506         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2507
2508         BIO_printf(out, "Require explicit Policy: %s\n",
2509                                 explicit_policy ? "True" : "False");
2510
2511         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2512         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2513         if (free_out)
2514                 BIO_free(out);
2515         }
2516
2517 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2518
2519 static JPAKE_CTX *jpake_init(const char *us, const char *them,
2520                                                          const char *secret)
2521         {
2522         BIGNUM *p = NULL;
2523         BIGNUM *g = NULL;
2524         BIGNUM *q = NULL;
2525         BIGNUM *bnsecret = BN_new();
2526         JPAKE_CTX *ctx;
2527
2528         /* Use a safe prime for p (that we found earlier) */
2529         BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2530         g = BN_new();
2531         BN_set_word(g, 2);
2532         q = BN_new();
2533         BN_rshift1(q, p);
2534
2535         BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2536
2537         ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2538         BN_free(bnsecret);
2539         BN_free(q);
2540         BN_free(g);
2541         BN_free(p);
2542
2543         return ctx;
2544         }
2545
2546 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2547         {
2548         BN_print(conn, p->gx);
2549         BIO_puts(conn, "\n");
2550         BN_print(conn, p->zkpx.gr);
2551         BIO_puts(conn, "\n");
2552         BN_print(conn, p->zkpx.b);
2553         BIO_puts(conn, "\n");
2554         }
2555
2556 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2557         {
2558         JPAKE_STEP1 s1;
2559
2560         JPAKE_STEP1_init(&s1);
2561         JPAKE_STEP1_generate(&s1, ctx);
2562         jpake_send_part(bconn, &s1.p1);
2563         jpake_send_part(bconn, &s1.p2);
2564         (void)BIO_flush(bconn);
2565         JPAKE_STEP1_release(&s1);
2566         }
2567
2568 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2569         {
2570         JPAKE_STEP2 s2;
2571
2572         JPAKE_STEP2_init(&s2);
2573         JPAKE_STEP2_generate(&s2, ctx);
2574         jpake_send_part(bconn, &s2);
2575         (void)BIO_flush(bconn);
2576         JPAKE_STEP2_release(&s2);
2577         }
2578
2579 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2580         {
2581         JPAKE_STEP3A s3a;
2582
2583         JPAKE_STEP3A_init(&s3a);
2584         JPAKE_STEP3A_generate(&s3a, ctx);
2585         BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2586         (void)BIO_flush(bconn);
2587         JPAKE_STEP3A_release(&s3a);
2588         }
2589
2590 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2591         {
2592         JPAKE_STEP3B s3b;
2593
2594         JPAKE_STEP3B_init(&s3b);
2595         JPAKE_STEP3B_generate(&s3b, ctx);
2596         BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2597         (void)BIO_flush(bconn);
2598         JPAKE_STEP3B_release(&s3b);
2599         }
2600
2601 static void readbn(BIGNUM **bn, BIO *bconn)
2602         {
2603         char buf[10240];
2604         int l;
2605
2606         l = BIO_gets(bconn, buf, sizeof buf);
2607         assert(l > 0);
2608         assert(buf[l-1] == '\n');
2609         buf[l-1] = '\0';
2610         BN_hex2bn(bn, buf);
2611         }
2612
2613 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2614         {
2615         readbn(&p->gx, bconn);
2616         readbn(&p->zkpx.gr, bconn);
2617         readbn(&p->zkpx.b, bconn);
2618         }
2619
2620 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2621         {
2622         JPAKE_STEP1 s1;
2623
2624         JPAKE_STEP1_init(&s1);
2625         jpake_receive_part(&s1.p1, bconn);
2626         jpake_receive_part(&s1.p2, bconn);
2627         if(!JPAKE_STEP1_process(ctx, &s1))
2628                 {
2629                 ERR_print_errors(bio_err);
2630                 exit(1);
2631                 }
2632         JPAKE_STEP1_release(&s1);
2633         }
2634
2635 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2636         {
2637         JPAKE_STEP2 s2;
2638
2639         JPAKE_STEP2_init(&s2);
2640         jpake_receive_part(&s2, bconn);
2641         if(!JPAKE_STEP2_process(ctx, &s2))
2642                 {
2643                 ERR_print_errors(bio_err);
2644                 exit(1);
2645                 }
2646         JPAKE_STEP2_release(&s2);
2647         }
2648
2649 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2650         {
2651         JPAKE_STEP3A s3a;
2652         int l;
2653
2654         JPAKE_STEP3A_init(&s3a);
2655         l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2656         assert(l == sizeof s3a.hhk);
2657         if(!JPAKE_STEP3A_process(ctx, &s3a))
2658                 {
2659                 ERR_print_errors(bio_err);
2660                 exit(1);
2661                 }
2662         JPAKE_STEP3A_release(&s3a);
2663         }
2664
2665 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2666         {
2667         JPAKE_STEP3B s3b;
2668         int l;
2669
2670         JPAKE_STEP3B_init(&s3b);
2671         l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2672         assert(l == sizeof s3b.hk);
2673         if(!JPAKE_STEP3B_process(ctx, &s3b))
2674                 {
2675                 ERR_print_errors(bio_err);
2676                 exit(1);
2677                 }
2678         JPAKE_STEP3B_release(&s3b);
2679         }
2680
2681 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2682         {
2683         JPAKE_CTX *ctx;
2684         BIO *bconn;
2685
2686         BIO_puts(out, "Authenticating with JPAKE\n");
2687
2688         ctx = jpake_init("client", "server", secret);
2689
2690         bconn = BIO_new(BIO_f_buffer());
2691         BIO_push(bconn, conn);
2692
2693         jpake_send_step1(bconn, ctx);
2694         jpake_receive_step1(ctx, bconn);
2695         jpake_send_step2(bconn, ctx);
2696         jpake_receive_step2(ctx, bconn);
2697         jpake_send_step3a(bconn, ctx);
2698         jpake_receive_step3b(ctx, bconn);
2699
2700         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2701
2702         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2703
2704         BIO_pop(bconn);
2705         BIO_free(bconn);
2706
2707         JPAKE_CTX_free(ctx);
2708         }
2709
2710 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2711         {
2712         JPAKE_CTX *ctx;
2713         BIO *bconn;
2714
2715         BIO_puts(out, "Authenticating with JPAKE\n");
2716
2717         ctx = jpake_init("server", "client", secret);
2718
2719         bconn = BIO_new(BIO_f_buffer());
2720         BIO_push(bconn, conn);
2721
2722         jpake_receive_step1(ctx, bconn);
2723         jpake_send_step1(bconn, ctx);
2724         jpake_receive_step2(ctx, bconn);
2725         jpake_send_step2(bconn, ctx);
2726         jpake_receive_step3a(ctx, bconn);
2727         jpake_send_step3b(bconn, ctx);
2728
2729         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2730
2731         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2732
2733         BIO_pop(bconn);
2734         BIO_free(bconn);
2735
2736         JPAKE_CTX_free(ctx);
2737         }
2738
2739 #endif
2740
2741 /*
2742  * Platform-specific sections
2743  */
2744 #if defined(_WIN32)
2745 # ifdef fileno
2746 #  undef fileno
2747 #  define fileno(a) (int)_fileno(a)
2748 # endif
2749
2750 # include <windows.h>
2751 # include <tchar.h>
2752
2753 static int WIN32_rename(const char *from, const char *to)
2754         {
2755         TCHAR  *tfrom=NULL,*tto;
2756         DWORD   err;
2757         int     ret=0;
2758
2759         if (sizeof(TCHAR) == 1)
2760                 {
2761                 tfrom = (TCHAR *)from;
2762                 tto   = (TCHAR *)to;
2763                 }
2764         else    /* UNICODE path */
2765                 {
2766                 size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
2767                 tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
2768                 if (tfrom==NULL) goto err;
2769                 tto=tfrom+flen;
2770 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2771                 if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
2772 #endif
2773                         for (i=0;i<flen;i++)    tfrom[i]=(TCHAR)from[i];
2774 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2775                 if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
2776 #endif
2777                         for (i=0;i<tlen;i++)    tto[i]  =(TCHAR)to[i];
2778                 }
2779
2780         if (MoveFile(tfrom,tto))        goto ok;
2781         err=GetLastError();
2782         if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
2783                 {
2784                 if (DeleteFile(tto) && MoveFile(tfrom,tto))
2785                         goto ok;
2786                 err=GetLastError();
2787                 }
2788         if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
2789                 errno = ENOENT;
2790         else if (err==ERROR_ACCESS_DENIED)
2791                 errno = EACCES;
2792         else
2793                 errno = EINVAL; /* we could map more codes... */
2794 err:
2795         ret=-1;
2796 ok:
2797         if (tfrom!=NULL && tfrom!=(TCHAR *)from)        free(tfrom);
2798         return ret;
2799         }
2800 #endif
2801
2802 /* app_tminterval section */
2803 #if defined(_WIN32)
2804 double app_tminterval(int stop,int usertime)
2805         {
2806         FILETIME                now;
2807         double                  ret=0;
2808         static ULARGE_INTEGER   tmstart;
2809         static int              warning=1;
2810 #ifdef _WIN32_WINNT
2811         static HANDLE           proc=NULL;
2812
2813         if (proc==NULL)
2814                 {
2815                 if (GetVersion() < 0x80000000)
2816                         proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
2817                                                 GetCurrentProcessId());
2818                 if (proc==NULL) proc = (HANDLE)-1;
2819                 }
2820
2821         if (usertime && proc!=(HANDLE)-1)
2822                 {
2823                 FILETIME junk;
2824                 GetProcessTimes(proc,&junk,&junk,&junk,&now);
2825                 }
2826         else
2827 #endif
2828                 {
2829                 SYSTEMTIME systime;
2830
2831                 if (usertime && warning)
2832                         {
2833                         BIO_printf(bio_err,"To get meaningful results, run "
2834                                            "this program on idle system.\n");
2835                         warning=0;
2836                         }
2837                 GetSystemTime(&systime);
2838                 SystemTimeToFileTime(&systime,&now);
2839                 }
2840
2841         if (stop==TM_START)
2842                 {
2843                 tmstart.u.LowPart  = now.dwLowDateTime;
2844                 tmstart.u.HighPart = now.dwHighDateTime;
2845                 }
2846         else    {
2847                 ULARGE_INTEGER tmstop;
2848
2849                 tmstop.u.LowPart   = now.dwLowDateTime;
2850                 tmstop.u.HighPart  = now.dwHighDateTime;
2851
2852                 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
2853                 }
2854
2855         return (ret);
2856         }
2857
2858 #elif defined(OPENSSL_SYS_NETWARE)
2859 #include <time.h>
2860
2861 double app_tminterval(int stop,int usertime)
2862         {
2863         double          ret=0;
2864         static clock_t  tmstart;
2865         static int      warning=1;
2866
2867         if (usertime && warning)
2868                 {
2869                 BIO_printf(bio_err,"To get meaningful results, run "
2870                                    "this program on idle system.\n");
2871                 warning=0;
2872                 }
2873
2874         if (stop==TM_START)     tmstart = clock();
2875         else                    ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
2876
2877         return (ret);
2878         }
2879
2880 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2881 #include <time.h>
2882
2883 double app_tminterval(int stop,int usertime)
2884         {
2885         double ret=0;
2886 #ifdef CLOCK_REALTIME
2887         static struct timespec  tmstart;
2888         struct timespec         now;
2889 #else
2890         static unsigned long    tmstart;
2891         unsigned long           now;
2892 #endif
2893         static int warning=1;
2894
2895         if (usertime && warning)
2896                 {
2897                 BIO_printf(bio_err,"To get meaningful results, run "
2898                                    "this program on idle system.\n");
2899                 warning=0;
2900                 }
2901
2902 #ifdef CLOCK_REALTIME
2903         clock_gettime(CLOCK_REALTIME,&now);
2904         if (stop==TM_START)     tmstart = now;
2905         else    ret = ( (now.tv_sec+now.tv_nsec*1e-9)
2906                         - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
2907 #else
2908         now = tickGet();
2909         if (stop==TM_START)     tmstart = now;
2910         else                    ret = (now - tmstart)/(double)sysClkRateGet();
2911 #endif
2912         return (ret);
2913         }
2914
2915 #elif defined(OPENSSL_SYSTEM_VMS)
2916 #include <time.h>
2917 #include <times.h>
2918
2919 double app_tminterval(int stop,int usertime)
2920         {
2921         static clock_t  tmstart;
2922         double          ret = 0;
2923         clock_t         now;
2924 #ifdef __TMS
2925         struct tms      rus;
2926
2927         now = times(&rus);
2928         if (usertime)   now = rus.tms_utime;
2929 #else
2930         if (usertime)
2931                 now = clock(); /* sum of user and kernel times */
2932         else    {
2933                 struct timeval tv;
2934                 gettimeofday(&tv,NULL);
2935                 now = (clock_t)(
2936                         (unsigned long long)tv.tv_sec*CLK_TCK +
2937                         (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
2938                         );
2939                 }
2940 #endif
2941         if (stop==TM_START)     tmstart = now;
2942         else                    ret = (now - tmstart)/(double)(CLK_TCK);
2943
2944         return (ret);
2945         }
2946
2947 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
2948 #include <sys/times.h>
2949
2950 double app_tminterval(int stop,int usertime)
2951         {
2952         double          ret = 0;
2953         struct tms      rus;
2954         clock_t         now = times(&rus);
2955         static clock_t  tmstart;
2956
2957         if (usertime)           now = rus.tms_utime;
2958
2959         if (stop==TM_START)     tmstart = now;
2960         else
2961                 {
2962                 long int tck = sysconf(_SC_CLK_TCK);
2963                 ret = (now - tmstart)/(double)tck;
2964                 }
2965
2966         return (ret);
2967         }
2968
2969 #else
2970 #include <sys/time.h>
2971 #include <sys/resource.h>
2972
2973 double app_tminterval(int stop,int usertime)
2974         {
2975         double          ret = 0;
2976         struct rusage   rus;
2977         struct timeval  now;
2978         static struct timeval tmstart;
2979
2980         if (usertime)           getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
2981         else                    gettimeofday(&now,NULL);
2982
2983         if (stop==TM_START)     tmstart = now;
2984         else                    ret = ( (now.tv_sec+now.tv_usec*1e-6)
2985                                         - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
2986
2987         return ret;
2988         }
2989 #endif
2990
2991 /* app_isdir section */
2992 #ifdef _WIN32
2993 int app_isdir(const char *name)
2994         {
2995         HANDLE          hList;
2996         WIN32_FIND_DATA FileData;
2997 #if defined(UNICODE) || defined(_UNICODE)
2998         size_t i, len_0 = strlen(name)+1;
2999
3000         if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
3001                 return -1;
3002
3003 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3004         if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
3005 #endif
3006                 for (i=0;i<len_0;i++)
3007                         FileData.cFileName[i] = (WCHAR)name[i];
3008
3009         hList = FindFirstFile(FileData.cFileName,&FileData);
3010 #else
3011         hList = FindFirstFile(name,&FileData);
3012 #endif
3013         if (hList == INVALID_HANDLE_VALUE)      return -1;
3014         FindClose(hList);
3015         return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
3016         }
3017 #else
3018 #include <sys/stat.h>
3019 #ifndef S_ISDIR
3020 # if defined(_S_IFMT) && defined(_S_IFDIR)
3021 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
3022 # else
3023 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
3024 # endif
3025 #endif
3026
3027 int app_isdir(const char *name)
3028         {
3029 #if defined(S_ISDIR)
3030         struct stat st;
3031
3032         if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
3033         else                    return -1;
3034 #else
3035         return -1;
3036 #endif
3037         }
3038 #endif
3039
3040 /* raw_read|write section */
3041 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
3042 int raw_read_stdin(void *buf,int siz)
3043         {
3044         DWORD n;
3045         if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
3046                 return (n);
3047         else    return (-1);
3048         }
3049 #else
3050 int raw_read_stdin(void *buf,int siz)
3051         {       return read(fileno(stdin),buf,siz);     }
3052 #endif
3053
3054 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3055 int raw_write_stdout(const void *buf,int siz)
3056         {
3057         DWORD n;
3058         if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
3059                 return (n);
3060         else    return (-1);
3061         }
3062 #else
3063 int raw_write_stdout(const void *buf,int siz)
3064         {       return write(fileno(stdout),buf,siz);   }
3065 #endif
3066
3067 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
3068 /* next_protos_parse parses a comma separated list of strings into a string
3069  * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
3070  *   outlen: (output) set to the length of the resulting buffer on success.
3071  *   in: a NUL termianted string like "abc,def,ghi"
3072  *
3073  *   returns: a malloced buffer or NULL on failure.
3074  */
3075 unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
3076         {
3077         size_t len;
3078         unsigned char *out;
3079         size_t i, start = 0;
3080
3081         len = strlen(in);
3082         if (len >= 65535)
3083                 return NULL;
3084
3085         out = OPENSSL_malloc(strlen(in) + 1);
3086         if (!out)
3087                 return NULL;
3088
3089         for (i = 0; i <= len; ++i)
3090                 {
3091                 if (i == len || in[i] == ',')
3092                         {
3093                         if (i - start > 255)
3094                                 {
3095                                 OPENSSL_free(out);
3096                                 return NULL;
3097                                 }
3098                         out[start] = i - start;
3099                         start = i + 1;
3100                         }
3101                 else
3102                         out[i+1] = in[i];
3103                 }
3104
3105         *outlen = len + 1;
3106         return out;
3107         }
3108 #endif  /* !OPENSSL_NO_TLSEXT && !OPENSSL_NO_NEXTPROTONEG */