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