crypto/openssl/apps/apps.c

   1 /* apps/apps.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111
 112 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
 113 #define _POSIX_C_SOURCE 2       /* On VMS, you need to define this to get
 114                                    the declaration of fileno().  The value
 115                                    2 is to make sure no function defined
 116                                    in POSIX-2 is left undefined. */
 117 #endif
 118 #include <stdio.h>
 119 #include <stdlib.h>
 120 #include <string.h>
 121 #if !defined(OPENSSL_SYSNAME_WIN32) && !defined(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                 if (arg->data == NULL)
 394                         return 0;
 395                 }
 396         for (i=0; i<arg->count; i++)
 397                 arg->data[i]=NULL;
 398
 399         num=0;
 400         p=buf;
 401         for (;;)
 402                 {
 403                 /* first scan over white space */
 404                 if (!*p) break;
 405                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 406                         p++;
 407                 if (!*p) break;
 408
 409                 /* The start of something good :-) */
 410                 if (num >= arg->count)
 411                         {
 412                         char **tmp_p;
 413                         int tlen = arg->count + 20;
 414                         tmp_p = (char **)OPENSSL_realloc(arg->data,
 415                                 sizeof(char *)*tlen);
 416                         if (tmp_p == NULL)
 417                                 return 0;
 418                         arg->data  = tmp_p;
 419                         arg->count = tlen;
 420                         /* initialize newly allocated data */
 421                         for (i = num; i < arg->count; i++)
 422                                 arg->data[i] = NULL;
 423                         }
 424                 arg->data[num++]=p;
 425
 426                 /* now look for the end of this */
 427                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 428                         {
 429                         i= *(p++);
 430                         arg->data[num-1]++; /* jump over quote */
 431                         while (*p && (*p != i))
 432                                 p++;
 433                         *p='\0';
 434                         }
 435                 else
 436                         {
 437                         while (*p && ((*p != ' ') &&
 438                                 (*p != '\t') && (*p != '\n')))
 439                                 p++;
 440
 441                         if (*p == '\0')
 442                                 p--;
 443                         else
 444                                 *p='\0';
 445                         }
 446                 p++;
 447                 }
 448         *argc=num;
 449         *argv=arg->data;
 450         return(1);
 451         }
 452
 453 #ifndef APP_INIT
 454 int app_init(long mesgwin)
 455         {
 456         return(1);
 457         }
 458 #endif
 459
 460
 461 int dump_cert_text (BIO *out, X509 *x)
 462 {
 463         char *p;
 464
 465         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 466         BIO_puts(out,"subject=");
 467         BIO_puts(out,p);
 468         OPENSSL_free(p);
 469
 470         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 471         BIO_puts(out,"\nissuer=");
 472         BIO_puts(out,p);
 473         BIO_puts(out,"\n");
 474         OPENSSL_free(p);
 475
 476         return 0;
 477 }
 478
 479 static int ui_open(UI *ui)
 480         {
 481         return UI_method_get_opener(UI_OpenSSL())(ui);
 482         }
 483 static int ui_read(UI *ui, UI_STRING *uis)
 484         {
 485         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 486                 && UI_get0_user_data(ui))
 487                 {
 488                 switch(UI_get_string_type(uis))
 489                         {
 490                 case UIT_PROMPT:
 491                 case UIT_VERIFY:
 492                         {
 493                         const char *password =
 494                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 495                         if (password && password[0] != '\0')
 496                                 {
 497                                 UI_set_result(ui, uis, password);
 498                                 return 1;
 499                                 }
 500                         }
 501                 default:
 502                         break;
 503                         }
 504                 }
 505         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 506         }
 507 static int ui_write(UI *ui, UI_STRING *uis)
 508         {
 509         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 510                 && UI_get0_user_data(ui))
 511                 {
 512                 switch(UI_get_string_type(uis))
 513                         {
 514                 case UIT_PROMPT:
 515                 case UIT_VERIFY:
 516                         {
 517                         const char *password =
 518                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 519                         if (password && password[0] != '\0')
 520                                 return 1;
 521                         }
 522                 default:
 523                         break;
 524                         }
 525                 }
 526         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 527         }
 528 static int ui_close(UI *ui)
 529         {
 530         return UI_method_get_closer(UI_OpenSSL())(ui);
 531         }
 532 int setup_ui_method(void)
 533         {
 534         ui_method = UI_create_method("OpenSSL application user interface");
 535         UI_method_set_opener(ui_method, ui_open);
 536         UI_method_set_reader(ui_method, ui_read);
 537         UI_method_set_writer(ui_method, ui_write);
 538         UI_method_set_closer(ui_method, ui_close);
 539         return 0;
 540         }
 541 void destroy_ui_method(void)
 542         {
 543         if(ui_method)
 544                 {
 545                 UI_destroy_method(ui_method);
 546                 ui_method = NULL;
 547                 }
 548         }
 549 int password_callback(char *buf, int bufsiz, int verify,
 550         PW_CB_DATA *cb_tmp)
 551         {
 552         UI *ui = NULL;
 553         int res = 0;
 554         const char *prompt_info = NULL;
 555         const char *password = NULL;
 556         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 557
 558         if (cb_data)
 559                 {
 560                 if (cb_data->password)
 561                         password = cb_data->password;
 562                 if (cb_data->prompt_info)
 563                         prompt_info = cb_data->prompt_info;
 564                 }
 565
 566         if (password)
 567                 {
 568                 res = strlen(password);
 569                 if (res > bufsiz)
 570                         res = bufsiz;
 571                 memcpy(buf, password, res);
 572                 return res;
 573                 }
 574
 575         ui = UI_new_method(ui_method);
 576         if (ui)
 577                 {
 578                 int ok = 0;
 579                 char *buff = NULL;
 580                 int ui_flags = 0;
 581                 char *prompt = NULL;
 582
 583                 prompt = UI_construct_prompt(ui, "pass phrase",
 584                         prompt_info);
 585
 586                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 587                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 588
 589                 if (ok >= 0)
 590                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 591                                 PW_MIN_LENGTH,bufsiz-1);
 592                 if (ok >= 0 && verify)
 593                         {
 594                         buff = (char *)OPENSSL_malloc(bufsiz);
 595                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 596                                 PW_MIN_LENGTH,bufsiz-1, buf);
 597                         }
 598                 if (ok >= 0)
 599                         do
 600                                 {
 601                                 ok = UI_process(ui);
 602                                 }
 603                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 604
 605                 if (buff)
 606                         {
 607                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 608                         OPENSSL_free(buff);
 609                         }
 610
 611                 if (ok >= 0)
 612                         res = strlen(buf);
 613                 if (ok == -1)
 614                         {
 615                         BIO_printf(bio_err, "User interface error\n");
 616                         ERR_print_errors(bio_err);
 617                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 618                         res = 0;
 619                         }
 620                 if (ok == -2)
 621                         {
 622                         BIO_printf(bio_err,"aborted!\n");
 623                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 624                         res = 0;
 625                         }
 626                 UI_free(ui);
 627                 OPENSSL_free(prompt);
 628                 }
 629         return res;
 630         }
 631
 632 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 633
 634 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 635 {
 636         int same;
 637         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 638         else same = 1;
 639         if(arg1) {
 640                 *pass1 = app_get_pass(err, arg1, same);
 641                 if(!*pass1) return 0;
 642         } else if(pass1) *pass1 = NULL;
 643         if(arg2) {
 644                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 645                 if(!*pass2) return 0;
 646         } else if(pass2) *pass2 = NULL;
 647         return 1;
 648 }
 649
 650 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 651 {
 652         char *tmp, tpass[APP_PASS_LEN];
 653         static BIO *pwdbio = NULL;
 654         int i;
 655         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 656         if(!strncmp(arg, "env:", 4)) {
 657                 tmp = getenv(arg + 4);
 658                 if(!tmp) {
 659                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 660                         return NULL;
 661                 }
 662                 return BUF_strdup(tmp);
 663         }
 664         if(!keepbio || !pwdbio) {
 665                 if(!strncmp(arg, "file:", 5)) {
 666                         pwdbio = BIO_new_file(arg + 5, "r");
 667                         if(!pwdbio) {
 668                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 669                                 return NULL;
 670                         }
 671 #if !defined(_WIN32)
 672                 /*
 673                  * Under _WIN32, which covers even Win64 and CE, file
 674                  * descriptors referenced by BIO_s_fd are not inherited
 675                  * by child process and therefore below is not an option.
 676                  * It could have been an option if bss_fd.c was operating
 677                  * on real Windows descriptors, such as those obtained
 678                  * with CreateFile.
 679                  */
 680                 } else if(!strncmp(arg, "fd:", 3)) {
 681                         BIO *btmp;
 682                         i = atoi(arg + 3);
 683                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 684                         if((i < 0) || !pwdbio) {
 685                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 686                                 return NULL;
 687                         }
 688                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 689                         btmp = BIO_new(BIO_f_buffer());
 690                         pwdbio = BIO_push(btmp, pwdbio);
 691 #endif
 692                 } else if(!strcmp(arg, "stdin")) {
 693                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 694                         if(!pwdbio) {
 695                                 BIO_printf(err, "Can't open BIO for stdin\n");
 696                                 return NULL;
 697                         }
 698                 } else {
 699                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 700                         return NULL;
 701                 }
 702         }
 703         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 704         if(keepbio != 1) {
 705                 BIO_free_all(pwdbio);
 706                 pwdbio = NULL;
 707         }
 708         if(i <= 0) {
 709                 BIO_printf(err, "Error reading password from BIO\n");
 710                 return NULL;
 711         }
 712         tmp = strchr(tpass, '\n');
 713         if(tmp) *tmp = 0;
 714         return BUF_strdup(tpass);
 715 }
 716
 717 int add_oid_section(BIO *err, CONF *conf)
 718 {
 719         char *p;
 720         STACK_OF(CONF_VALUE) *sktmp;
 721         CONF_VALUE *cnf;
 722         int i;
 723         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 724                 {
 725                 ERR_clear_error();
 726                 return 1;
 727                 }
 728         if(!(sktmp = NCONF_get_section(conf, p))) {
 729                 BIO_printf(err, "problem loading oid section %s\n", p);
 730                 return 0;
 731         }
 732         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 733                 cnf = sk_CONF_VALUE_value(sktmp, i);
 734                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 735                         BIO_printf(err, "problem creating object %s=%s\n",
 736                                                          cnf->name, cnf->value);
 737                         return 0;
 738                 }
 739         }
 740         return 1;
 741 }
 742
 743 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 744                 pem_password_cb *pem_cb,  void *cb_data,
 745                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 746         {
 747         const char *pass;
 748         char tpass[PEM_BUFSIZE];
 749         int len, ret = 0;
 750         PKCS12 *p12;
 751         p12 = d2i_PKCS12_bio(in, NULL);
 752         if (p12 == NULL)
 753                 {
 754                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 755                 goto die;
 756                 }
 757         /* See if an empty password will do */
 758         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 759                 pass = "";
 760         else
 761                 {
 762                 if (!pem_cb)
 763                         pem_cb = (pem_password_cb *)password_callback;
 764                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 765                 if (len < 0)
 766                         {
 767                         BIO_printf(err, "Passpharse callback error for %s\n",
 768                                         desc);
 769                         goto die;
 770                         }
 771                 if (len < PEM_BUFSIZE)
 772                         tpass[len] = 0;
 773                 if (!PKCS12_verify_mac(p12, tpass, len))
 774                         {
 775                         BIO_printf(err,
 776         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 777                         goto die;
 778                         }
 779                 pass = tpass;
 780                 }
 781         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 782         die:
 783         if (p12)
 784                 PKCS12_free(p12);
 785         return ret;
 786         }
 787
 788 X509 *load_cert(BIO *err, const char *file, int format,
 789         const char *pass, ENGINE *e, const char *cert_descrip)
 790         {
 791         X509 *x=NULL;
 792         BIO *cert;
 793
 794         if ((cert=BIO_new(BIO_s_file())) == NULL)
 795                 {
 796                 ERR_print_errors(err);
 797                 goto end;
 798                 }
 799
 800         if (file == NULL)
 801                 {
 802 #ifdef _IONBF
 803 # ifndef OPENSSL_NO_SETVBUF_IONBF
 804                 setvbuf(stdin, NULL, _IONBF, 0);
 805 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
 806 #endif
 807                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 808                 }
 809         else
 810                 {
 811                 if (BIO_read_filename(cert,file) <= 0)
 812                         {
 813                         BIO_printf(err, "Error opening %s %s\n",
 814                                 cert_descrip, file);
 815                         ERR_print_errors(err);
 816                         goto end;
 817                         }
 818                 }
 819
 820         if      (format == FORMAT_ASN1)
 821                 x=d2i_X509_bio(cert,NULL);
 822         else if (format == FORMAT_NETSCAPE)
 823                 {
 824                 NETSCAPE_X509 *nx;
 825                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
 826                 if (nx == NULL)
 827                                 goto end;
 828
 829                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
 830                         nx->header->length) != 0))
 831                         {
 832                         NETSCAPE_X509_free(nx);
 833                         BIO_printf(err,"Error reading header on certificate\n");
 834                         goto end;
 835                         }
 836                 x=nx->cert;
 837                 nx->cert = NULL;
 838                 NETSCAPE_X509_free(nx);
 839                 }
 840         else if (format == FORMAT_PEM)
 841                 x=PEM_read_bio_X509_AUX(cert,NULL,
 842                         (pem_password_cb *)password_callback, NULL);
 843         else if (format == FORMAT_PKCS12)
 844                 {
 845                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 846                                         NULL, &x, NULL))
 847                         goto end;
 848                 }
 849         else    {
 850                 BIO_printf(err,"bad input format specified for %s\n",
 851                         cert_descrip);
 852                 goto end;
 853                 }
 854 end:
 855         if (x == NULL)
 856                 {
 857                 BIO_printf(err,"unable to load certificate\n");
 858                 ERR_print_errors(err);
 859                 }
 860         if (cert != NULL) BIO_free(cert);
 861         return(x);
 862         }
 863
 864 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 865         const char *pass, ENGINE *e, const char *key_descrip)
 866         {
 867         BIO *key=NULL;
 868         EVP_PKEY *pkey=NULL;
 869         PW_CB_DATA cb_data;
 870
 871         cb_data.password = pass;
 872         cb_data.prompt_info = file;
 873
 874         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 875                 {
 876                 BIO_printf(err,"no keyfile specified\n");
 877                 goto end;
 878                 }
 879 #ifndef OPENSSL_NO_ENGINE
 880         if (format == FORMAT_ENGINE)
 881                 {
 882                 if (!e)
 883                         BIO_printf(err,"no engine specified\n");
 884                 else
 885                         {
 886                         pkey = ENGINE_load_private_key(e, file,
 887                                 ui_method, &cb_data);
 888                         if (!pkey)
 889                                 {
 890                                 BIO_printf(err,"cannot load %s from engine\n",key_descrip);
 891                                 ERR_print_errors(err);
 892                                 }
 893                         }
 894                 goto end;
 895                 }
 896 #endif
 897         key=BIO_new(BIO_s_file());
 898         if (key == NULL)
 899                 {
 900                 ERR_print_errors(err);
 901                 goto end;
 902                 }
 903         if (file == NULL && maybe_stdin)
 904                 {
 905 #ifdef _IONBF
 906 # ifndef OPENSSL_NO_SETVBUF_IONBF
 907                 setvbuf(stdin, NULL, _IONBF, 0);
 908 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
 909 #endif
 910                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 911                 }
 912         else
 913                 if (BIO_read_filename(key,file) <= 0)
 914                         {
 915                         BIO_printf(err, "Error opening %s %s\n",
 916                                 key_descrip, file);
 917                         ERR_print_errors(err);
 918                         goto end;
 919                         }
 920         if (format == FORMAT_ASN1)
 921                 {
 922                 pkey=d2i_PrivateKey_bio(key, NULL);
 923                 }
 924         else if (format == FORMAT_PEM)
 925                 {
 926                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 927                         (pem_password_cb *)password_callback, &cb_data);
 928                 }
 929 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 930         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 931                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 932 #endif
 933         else if (format == FORMAT_PKCS12)
 934                 {
 935                 if (!load_pkcs12(err, key, key_descrip,
 936                                 (pem_password_cb *)password_callback, &cb_data,
 937                                 &pkey, NULL, NULL))
 938                         goto end;
 939                 }
 940 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
 941         else if (format == FORMAT_MSBLOB)
 942                 pkey = b2i_PrivateKey_bio(key);
 943         else if (format == FORMAT_PVK)
 944                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
 945                                                                 &cb_data);
 946 #endif
 947         else
 948                 {
 949                 BIO_printf(err,"bad input format specified for key file\n");
 950                 goto end;
 951                 }
 952  end:
 953         if (key != NULL) BIO_free(key);
 954         if (pkey == NULL)
 955                 {
 956                 BIO_printf(err,"unable to load %s\n", key_descrip);
 957                 ERR_print_errors(err);
 958                 }
 959         return(pkey);
 960         }
 961
 962 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 963         const char *pass, ENGINE *e, const char *key_descrip)
 964         {
 965         BIO *key=NULL;
 966         EVP_PKEY *pkey=NULL;
 967         PW_CB_DATA cb_data;
 968
 969         cb_data.password = pass;
 970         cb_data.prompt_info = file;
 971
 972         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 973                 {
 974                 BIO_printf(err,"no keyfile specified\n");
 975                 goto end;
 976                 }
 977 #ifndef OPENSSL_NO_ENGINE
 978         if (format == FORMAT_ENGINE)
 979                 {
 980                 if (!e)
 981                         BIO_printf(bio_err,"no engine specified\n");
 982                 else
 983                         pkey = ENGINE_load_public_key(e, file,
 984                                 ui_method, &cb_data);
 985                 goto end;
 986                 }
 987 #endif
 988         key=BIO_new(BIO_s_file());
 989         if (key == NULL)
 990                 {
 991                 ERR_print_errors(err);
 992                 goto end;
 993                 }
 994         if (file == NULL && maybe_stdin)
 995                 {
 996 #ifdef _IONBF
 997 # ifndef OPENSSL_NO_SETVBUF_IONBF
 998                 setvbuf(stdin, NULL, _IONBF, 0);
 999 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
1000 #endif
1001                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
1002                 }
1003         else
1004                 if (BIO_read_filename(key,file) <= 0)
1005                         {
1006                         BIO_printf(err, "Error opening %s %s\n",
1007                                 key_descrip, file);
1008                         ERR_print_errors(err);
1009                         goto end;
1010                 }
1011         if (format == FORMAT_ASN1)
1012                 {
1013                 pkey=d2i_PUBKEY_bio(key, NULL);
1014                 }
1015 #ifndef OPENSSL_NO_RSA
1016         else if (format == FORMAT_ASN1RSA)
1017                 {
1018                 RSA *rsa;
1019                 rsa = d2i_RSAPublicKey_bio(key, NULL);
1020                 if (rsa)
1021                         {
1022                         pkey = EVP_PKEY_new();
1023                         if (pkey)
1024                                 EVP_PKEY_set1_RSA(pkey, rsa);
1025                         RSA_free(rsa);
1026                         }
1027                 else
1028                         pkey = NULL;
1029                 }
1030         else if (format == FORMAT_PEMRSA)
1031                 {
1032                 RSA *rsa;
1033                 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1034                         (pem_password_cb *)password_callback, &cb_data);
1035                 if (rsa)
1036                         {
1037                         pkey = EVP_PKEY_new();
1038                         if (pkey)
1039                                 EVP_PKEY_set1_RSA(pkey, rsa);
1040                         RSA_free(rsa);
1041                         }
1042                 else
1043                         pkey = NULL;
1044                 }
1045 #endif
1046         else if (format == FORMAT_PEM)
1047                 {
1048                 pkey=PEM_read_bio_PUBKEY(key,NULL,
1049                         (pem_password_cb *)password_callback, &cb_data);
1050                 }
1051 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1052         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1053                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1054 #endif
1055 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1056         else if (format == FORMAT_MSBLOB)
1057                 pkey = b2i_PublicKey_bio(key);
1058 #endif
1059         else
1060                 {
1061                 BIO_printf(err,"bad input format specified for key file\n");
1062                 goto end;
1063                 }
1064  end:
1065         if (key != NULL) BIO_free(key);
1066         if (pkey == NULL)
1067                 BIO_printf(err,"unable to load %s\n", key_descrip);
1068         return(pkey);
1069         }
1070
1071 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1072 static EVP_PKEY *
1073 load_netscape_key(BIO *err, BIO *key, const char *file,
1074                 const char *key_descrip, int format)
1075         {
1076         EVP_PKEY *pkey;
1077         BUF_MEM *buf;
1078         RSA     *rsa;
1079         const unsigned char *p;
1080         int size, i;
1081
1082         buf=BUF_MEM_new();
1083         pkey = EVP_PKEY_new();
1084         size = 0;
1085         if (buf == NULL || pkey == NULL)
1086                 goto error;
1087         for (;;)
1088                 {
1089                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1090                         goto error;
1091                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1092                 size += i;
1093                 if (i == 0)
1094                         break;
1095                 if (i < 0)
1096                         {
1097                                 BIO_printf(err, "Error reading %s %s",
1098                                         key_descrip, file);
1099                                 goto error;
1100                         }
1101                 }
1102         p=(unsigned char *)buf->data;
1103         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1104                 (format == FORMAT_IISSGC ? 1 : 0));
1105         if (rsa == NULL)
1106                 goto error;
1107         BUF_MEM_free(buf);
1108         EVP_PKEY_set1_RSA(pkey, rsa);
1109         return pkey;
1110 error:
1111         BUF_MEM_free(buf);
1112         EVP_PKEY_free(pkey);
1113         return NULL;
1114         }
1115 #endif /* ndef OPENSSL_NO_RC4 */
1116
1117 static int load_certs_crls(BIO *err, const char *file, int format,
1118         const char *pass, ENGINE *e, const char *desc,
1119         STACK_OF(X509) **pcerts, STACK_OF(X509_CRL) **pcrls)
1120         {
1121         int i;
1122         BIO *bio;
1123         STACK_OF(X509_INFO) *xis = NULL;
1124         X509_INFO *xi;
1125         PW_CB_DATA cb_data;
1126         int rv = 0;
1127
1128         cb_data.password = pass;
1129         cb_data.prompt_info = file;
1130
1131         if (format != FORMAT_PEM)
1132                 {
1133                 BIO_printf(err,"bad input format specified for %s\n", desc);
1134                 return 0;
1135                 }
1136
1137         if (file == NULL)
1138                 bio = BIO_new_fp(stdin,BIO_NOCLOSE);
1139         else
1140                 bio = BIO_new_file(file, "r");
1141
1142         if (bio == NULL)
1143                 {
1144                 BIO_printf(err, "Error opening %s %s\n",
1145                                 desc, file ? file : "stdin");
1146                 ERR_print_errors(err);
1147                 return 0;
1148                 }
1149
1150         xis = PEM_X509_INFO_read_bio(bio, NULL,
1151                                 (pem_password_cb *)password_callback, &cb_data);
1152
1153         BIO_free(bio);
1154
1155         if (pcerts)
1156                 {
1157                 *pcerts = sk_X509_new_null();
1158                 if (!*pcerts)
1159                         goto end;
1160                 }
1161
1162         if (pcrls)
1163                 {
1164                 *pcrls = sk_X509_CRL_new_null();
1165                 if (!*pcrls)
1166                         goto end;
1167                 }
1168
1169         for(i = 0; i < sk_X509_INFO_num(xis); i++)
1170                 {
1171                 xi = sk_X509_INFO_value (xis, i);
1172                 if (xi->x509 && pcerts)
1173                         {
1174                         if (!sk_X509_push(*pcerts, xi->x509))
1175                                 goto end;
1176                         xi->x509 = NULL;
1177                         }
1178                 if (xi->crl && pcrls)
1179                         {
1180                         if (!sk_X509_CRL_push(*pcrls, xi->crl))
1181                                 goto end;
1182                         xi->crl = NULL;
1183                         }
1184                 }
1185
1186         if (pcerts && sk_X509_num(*pcerts) > 0)
1187                 rv = 1;
1188
1189         if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1190                 rv = 1;
1191
1192         end:
1193
1194         if (xis)
1195                 sk_X509_INFO_pop_free(xis, X509_INFO_free);
1196
1197         if (rv == 0)
1198                 {
1199                 if (pcerts)
1200                         {
1201                         sk_X509_pop_free(*pcerts, X509_free);
1202                         *pcerts = NULL;
1203                         }
1204                 if (pcrls)
1205                         {
1206                         sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1207                         *pcrls = NULL;
1208                         }
1209                 BIO_printf(err,"unable to load %s\n",
1210                                 pcerts ? "certificates" : "CRLs");
1211                 ERR_print_errors(err);
1212                 }
1213         return rv;
1214         }
1215
1216 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1217         const char *pass, ENGINE *e, const char *desc)
1218         {
1219         STACK_OF(X509) *certs;
1220         if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
1221                 return NULL;
1222         return certs;
1223         }
1224
1225 STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1226         const char *pass, ENGINE *e, const char *desc)
1227         {
1228         STACK_OF(X509_CRL) *crls;
1229         if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
1230                 return NULL;
1231         return crls;
1232         }
1233
1234 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1235 /* Return error for unknown extensions */
1236 #define X509V3_EXT_DEFAULT              0
1237 /* Print error for unknown extensions */
1238 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1239 /* ASN1 parse unknown extensions */
1240 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1241 /* BIO_dump unknown extensions */
1242 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1243
1244 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1245                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1246
1247 int set_cert_ex(unsigned long *flags, const char *arg)
1248 {
1249         static const NAME_EX_TBL cert_tbl[] = {
1250                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1251                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1252                 { "no_header", X509_FLAG_NO_HEADER, 0},
1253                 { "no_version", X509_FLAG_NO_VERSION, 0},
1254                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1255                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1256                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1257                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1258                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1259                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1260                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1261                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1262                 { "no_aux", X509_FLAG_NO_AUX, 0},
1263                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1264                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1265                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1266                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1267                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1268                 { NULL, 0, 0}
1269         };
1270         return set_multi_opts(flags, arg, cert_tbl);
1271 }
1272
1273 int set_name_ex(unsigned long *flags, const char *arg)
1274 {
1275         static const NAME_EX_TBL ex_tbl[] = {
1276                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1277                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1278                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1279                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1280                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1281                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1282                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1283                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1284                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1285                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1286                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1287                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1288                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1289                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1290                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1291                 { "dn_rev", XN_FLAG_DN_REV, 0},
1292                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1293                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1294                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1295                 { "align", XN_FLAG_FN_ALIGN, 0},
1296                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1297                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1298                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1299                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1300                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1301                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1302                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1303                 { NULL, 0, 0}
1304         };
1305         return set_multi_opts(flags, arg, ex_tbl);
1306 }
1307
1308 int set_ext_copy(int *copy_type, const char *arg)
1309 {
1310         if (!strcasecmp(arg, "none"))
1311                 *copy_type = EXT_COPY_NONE;
1312         else if (!strcasecmp(arg, "copy"))
1313                 *copy_type = EXT_COPY_ADD;
1314         else if (!strcasecmp(arg, "copyall"))
1315                 *copy_type = EXT_COPY_ALL;
1316         else
1317                 return 0;
1318         return 1;
1319 }
1320
1321 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1322 {
1323         STACK_OF(X509_EXTENSION) *exts = NULL;
1324         X509_EXTENSION *ext, *tmpext;
1325         ASN1_OBJECT *obj;
1326         int i, idx, ret = 0;
1327         if (!x || !req || (copy_type == EXT_COPY_NONE))
1328                 return 1;
1329         exts = X509_REQ_get_extensions(req);
1330
1331         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1332                 ext = sk_X509_EXTENSION_value(exts, i);
1333                 obj = X509_EXTENSION_get_object(ext);
1334                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1335                 /* Does extension exist? */
1336                 if (idx != -1) {
1337                         /* If normal copy don't override existing extension */
1338                         if (copy_type == EXT_COPY_ADD)
1339                                 continue;
1340                         /* Delete all extensions of same type */
1341                         do {
1342                                 tmpext = X509_get_ext(x, idx);
1343                                 X509_delete_ext(x, idx);
1344                                 X509_EXTENSION_free(tmpext);
1345                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1346                         } while (idx != -1);
1347                 }
1348                 if (!X509_add_ext(x, ext, -1))
1349                         goto end;
1350         }
1351
1352         ret = 1;
1353
1354         end:
1355
1356         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1357
1358         return ret;
1359 }
1360
1361
1362
1363
1364 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1365 {
1366         STACK_OF(CONF_VALUE) *vals;
1367         CONF_VALUE *val;
1368         int i, ret = 1;
1369         if(!arg) return 0;
1370         vals = X509V3_parse_list(arg);
1371         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1372                 val = sk_CONF_VALUE_value(vals, i);
1373                 if (!set_table_opts(flags, val->name, in_tbl))
1374                         ret = 0;
1375         }
1376         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1377         return ret;
1378 }
1379
1380 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1381 {
1382         char c;
1383         const NAME_EX_TBL *ptbl;
1384         c = arg[0];
1385
1386         if(c == '-') {
1387                 c = 0;
1388                 arg++;
1389         } else if (c == '+') {
1390                 c = 1;
1391                 arg++;
1392         } else c = 1;
1393
1394         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1395                 if(!strcasecmp(arg, ptbl->name)) {
1396                         *flags &= ~ptbl->mask;
1397                         if(c) *flags |= ptbl->flag;
1398                         else *flags &= ~ptbl->flag;
1399                         return 1;
1400                 }
1401         }
1402         return 0;
1403 }
1404
1405 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1406 {
1407         char *buf;
1408         char mline = 0;
1409         int indent = 0;
1410
1411         if(title) BIO_puts(out, title);
1412         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1413                 mline = 1;
1414                 indent = 4;
1415         }
1416         if(lflags == XN_FLAG_COMPAT) {
1417                 buf = X509_NAME_oneline(nm, 0, 0);
1418                 BIO_puts(out, buf);
1419                 BIO_puts(out, "\n");
1420                 OPENSSL_free(buf);
1421         } else {
1422                 if(mline) BIO_puts(out, "\n");
1423                 X509_NAME_print_ex(out, nm, indent, lflags);
1424                 BIO_puts(out, "\n");
1425         }
1426 }
1427
1428 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1429 {
1430         X509_STORE *store;
1431         X509_LOOKUP *lookup;
1432         if(!(store = X509_STORE_new())) goto end;
1433         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1434         if (lookup == NULL) goto end;
1435         if (CAfile) {
1436                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1437                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1438                         goto end;
1439                 }
1440         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1441
1442         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1443         if (lookup == NULL) goto end;
1444         if (CApath) {
1445                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1446                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1447                         goto end;
1448                 }
1449         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1450
1451         ERR_clear_error();
1452         return store;
1453         end:
1454         X509_STORE_free(store);
1455         return NULL;
1456 }
1457
1458 #ifndef OPENSSL_NO_ENGINE
1459 /* Try to load an engine in a shareable library */
1460 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1461         {
1462         ENGINE *e = ENGINE_by_id("dynamic");
1463         if (e)
1464                 {
1465                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1466                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1467                         {
1468                         ENGINE_free(e);
1469                         e = NULL;
1470                         }
1471                 }
1472         return e;
1473         }
1474
1475 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1476         {
1477         ENGINE *e = NULL;
1478
1479         if (engine)
1480                 {
1481                 if(strcmp(engine, "auto") == 0)
1482                         {
1483                         BIO_printf(err,"enabling auto ENGINE support\n");
1484                         ENGINE_register_all_complete();
1485                         return NULL;
1486                         }
1487                 if((e = ENGINE_by_id(engine)) == NULL
1488                         && (e = try_load_engine(err, engine, debug)) == NULL)
1489                         {
1490                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1491                         ERR_print_errors(err);
1492                         return NULL;
1493                         }
1494                 if (debug)
1495                         {
1496                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1497                                 0, err, 0);
1498                         }
1499                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1500                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1501                         {
1502                         BIO_printf(err,"can't use that engine\n");
1503                         ERR_print_errors(err);
1504                         ENGINE_free(e);
1505                         return NULL;
1506                         }
1507
1508                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1509
1510                 /* Free our "structural" reference. */
1511                 ENGINE_free(e);
1512                 }
1513         return e;
1514         }
1515 #endif
1516
1517 int load_config(BIO *err, CONF *cnf)
1518         {
1519         static int load_config_called = 0;
1520         if (load_config_called)
1521                 return 1;
1522         load_config_called = 1;
1523         if (!cnf)
1524                 cnf = config;
1525         if (!cnf)
1526                 return 1;
1527
1528         OPENSSL_load_builtin_modules();
1529
1530         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1531                 {
1532                 BIO_printf(err, "Error configuring OpenSSL\n");
1533                 ERR_print_errors(err);
1534                 return 0;
1535                 }
1536         return 1;
1537         }
1538
1539 char *make_config_name()
1540         {
1541         const char *t=X509_get_default_cert_area();
1542         size_t len;
1543         char *p;
1544
1545         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1546         p=OPENSSL_malloc(len);
1547         if (p == NULL)
1548                 return NULL;
1549         BUF_strlcpy(p,t,len);
1550 #ifndef OPENSSL_SYS_VMS
1551         BUF_strlcat(p,"/",len);
1552 #endif
1553         BUF_strlcat(p,OPENSSL_CONF,len);
1554
1555         return p;
1556         }
1557
1558 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1559         {
1560         const char *n;
1561
1562         n=a[DB_serial];
1563         while (*n == '0') n++;
1564         return(lh_strhash(n));
1565         }
1566
1567 static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1568         {
1569         const char *aa,*bb;
1570
1571         for (aa=a[DB_serial]; *aa == '0'; aa++);
1572         for (bb=b[DB_serial]; *bb == '0'; bb++);
1573         return(strcmp(aa,bb));
1574         }
1575
1576 static int index_name_qual(char **a)
1577         { return(a[0][0] == 'V'); }
1578
1579 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1580         { return(lh_strhash(a[DB_name])); }
1581
1582 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1583         { return(strcmp(a[DB_name], b[DB_name])); }
1584
1585 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1586 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1587 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1588 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1589
1590 #undef BSIZE
1591 #define BSIZE 256
1592
1593 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1594         {
1595         BIO *in=NULL;
1596         BIGNUM *ret=NULL;
1597         MS_STATIC char buf[1024];
1598         ASN1_INTEGER *ai=NULL;
1599
1600         ai=ASN1_INTEGER_new();
1601         if (ai == NULL) goto err;
1602
1603         if ((in=BIO_new(BIO_s_file())) == NULL)
1604                 {
1605                 ERR_print_errors(bio_err);
1606                 goto err;
1607                 }
1608
1609         if (BIO_read_filename(in,serialfile) <= 0)
1610                 {
1611                 if (!create)
1612                         {
1613                         perror(serialfile);
1614                         goto err;
1615                         }
1616                 else
1617                         {
1618                         ret=BN_new();
1619                         if (ret == NULL || !rand_serial(ret, ai))
1620                                 BIO_printf(bio_err, "Out of memory\n");
1621                         }
1622                 }
1623         else
1624                 {
1625                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1626                         {
1627                         BIO_printf(bio_err,"unable to load number from %s\n",
1628                                 serialfile);
1629                         goto err;
1630                         }
1631                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1632                 if (ret == NULL)
1633                         {
1634                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1635                         goto err;
1636                         }
1637                 }
1638
1639         if (ret && retai)
1640                 {
1641                 *retai = ai;
1642                 ai = NULL;
1643                 }
1644  err:
1645         if (in != NULL) BIO_free(in);
1646         if (ai != NULL) ASN1_INTEGER_free(ai);
1647         return(ret);
1648         }
1649
1650 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1651         {
1652         char buf[1][BSIZE];
1653         BIO *out = NULL;
1654         int ret=0;
1655         ASN1_INTEGER *ai=NULL;
1656         int j;
1657
1658         if (suffix == NULL)
1659                 j = strlen(serialfile);
1660         else
1661                 j = strlen(serialfile) + strlen(suffix) + 1;
1662         if (j >= BSIZE)
1663                 {
1664                 BIO_printf(bio_err,"file name too long\n");
1665                 goto err;
1666                 }
1667
1668         if (suffix == NULL)
1669                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1670         else
1671                 {
1672 #ifndef OPENSSL_SYS_VMS
1673                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1674 #else
1675                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1676 #endif
1677                 }
1678 #ifdef RL_DEBUG
1679         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1680 #endif
1681         out=BIO_new(BIO_s_file());
1682         if (out == NULL)
1683                 {
1684                 ERR_print_errors(bio_err);
1685                 goto err;
1686                 }
1687         if (BIO_write_filename(out,buf[0]) <= 0)
1688                 {
1689                 perror(serialfile);
1690                 goto err;
1691                 }
1692
1693         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1694                 {
1695                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1696                 goto err;
1697                 }
1698         i2a_ASN1_INTEGER(out,ai);
1699         BIO_puts(out,"\n");
1700         ret=1;
1701         if (retai)
1702                 {
1703                 *retai = ai;
1704                 ai = NULL;
1705                 }
1706 err:
1707         if (out != NULL) BIO_free_all(out);
1708         if (ai != NULL) ASN1_INTEGER_free(ai);
1709         return(ret);
1710         }
1711
1712 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1713         {
1714         char buf[5][BSIZE];
1715         int i,j;
1716
1717         i = strlen(serialfile) + strlen(old_suffix);
1718         j = strlen(serialfile) + strlen(new_suffix);
1719         if (i > j) j = i;
1720         if (j + 1 >= BSIZE)
1721                 {
1722                 BIO_printf(bio_err,"file name too long\n");
1723                 goto err;
1724                 }
1725
1726 #ifndef OPENSSL_SYS_VMS
1727         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1728                 serialfile, new_suffix);
1729 #else
1730         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1731                 serialfile, new_suffix);
1732 #endif
1733 #ifndef OPENSSL_SYS_VMS
1734         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1735                 serialfile, old_suffix);
1736 #else
1737         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1738                 serialfile, old_suffix);
1739 #endif
1740 #ifdef RL_DEBUG
1741         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1742                 serialfile, buf[1]);
1743 #endif
1744         if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1745 #ifdef ENOTDIR
1746                         && errno != ENOTDIR
1747 #endif
1748            )            {
1749                         BIO_printf(bio_err,
1750                                 "unable to rename %s to %s\n",
1751                                 serialfile, buf[1]);
1752                         perror("reason");
1753                         goto err;
1754                         }
1755 #ifdef RL_DEBUG
1756         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1757                 buf[0],serialfile);
1758 #endif
1759         if (rename(buf[0],serialfile) < 0)
1760                 {
1761                 BIO_printf(bio_err,
1762                         "unable to rename %s to %s\n",
1763                         buf[0],serialfile);
1764                 perror("reason");
1765                 rename(buf[1],serialfile);
1766                 goto err;
1767                 }
1768         return 1;
1769  err:
1770         return 0;
1771         }
1772
1773 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1774         {
1775         BIGNUM *btmp;
1776         int ret = 0;
1777         if (b)
1778                 btmp = b;
1779         else
1780                 btmp = BN_new();
1781
1782         if (!btmp)
1783                 return 0;
1784
1785         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1786                 goto error;
1787         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1788                 goto error;
1789
1790         ret = 1;
1791
1792         error:
1793
1794         if (!b)
1795                 BN_free(btmp);
1796
1797         return ret;
1798         }
1799
1800 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1801         {
1802         CA_DB *retdb = NULL;
1803         TXT_DB *tmpdb = NULL;
1804         BIO *in = BIO_new(BIO_s_file());
1805         CONF *dbattr_conf = NULL;
1806         char buf[1][BSIZE];
1807         long errorline= -1;
1808
1809         if (in == NULL)
1810                 {
1811                 ERR_print_errors(bio_err);
1812                 goto err;
1813                 }
1814         if (BIO_read_filename(in,dbfile) <= 0)
1815                 {
1816                 perror(dbfile);
1817                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1818                 goto err;
1819                 }
1820         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1821                 goto err;
1822
1823 #ifndef OPENSSL_SYS_VMS
1824         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1825 #else
1826         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1827 #endif
1828         dbattr_conf = NCONF_new(NULL);
1829         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1830                 {
1831                 if (errorline > 0)
1832                         {
1833                         BIO_printf(bio_err,
1834                                 "error on line %ld of db attribute file '%s'\n"
1835                                 ,errorline,buf[0]);
1836                         goto err;
1837                         }
1838                 else
1839                         {
1840                         NCONF_free(dbattr_conf);
1841                         dbattr_conf = NULL;
1842                         }
1843                 }
1844
1845         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1846                 {
1847                 fprintf(stderr, "Out of memory\n");
1848                 goto err;
1849                 }
1850
1851         retdb->db = tmpdb;
1852         tmpdb = NULL;
1853         if (db_attr)
1854                 retdb->attributes = *db_attr;
1855         else
1856                 {
1857                 retdb->attributes.unique_subject = 1;
1858                 }
1859
1860         if (dbattr_conf)
1861                 {
1862                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1863                 if (p)
1864                         {
1865 #ifdef RL_DEBUG
1866                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1867 #endif
1868                         retdb->attributes.unique_subject = parse_yesno(p,1);
1869                         }
1870                 }
1871
1872  err:
1873         if (dbattr_conf) NCONF_free(dbattr_conf);
1874         if (tmpdb) TXT_DB_free(tmpdb);
1875         if (in) BIO_free_all(in);
1876         return retdb;
1877         }
1878
1879 int index_index(CA_DB *db)
1880         {
1881         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1882                                 LHASH_HASH_FN(index_serial),
1883                                 LHASH_COMP_FN(index_serial)))
1884                 {
1885                 BIO_printf(bio_err,
1886                   "error creating serial number index:(%ld,%ld,%ld)\n",
1887                                         db->db->error,db->db->arg1,db->db->arg2);
1888                         return 0;
1889                 }
1890
1891         if (db->attributes.unique_subject
1892                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1893                         LHASH_HASH_FN(index_name),
1894                         LHASH_COMP_FN(index_name)))
1895                 {
1896                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1897                         db->db->error,db->db->arg1,db->db->arg2);
1898                 return 0;
1899                 }
1900         return 1;
1901         }
1902
1903 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1904         {
1905         char buf[3][BSIZE];
1906         BIO *out = BIO_new(BIO_s_file());
1907         int j;
1908
1909         if (out == NULL)
1910                 {
1911                 ERR_print_errors(bio_err);
1912                 goto err;
1913                 }
1914
1915         j = strlen(dbfile) + strlen(suffix);
1916         if (j + 6 >= BSIZE)
1917                 {
1918                 BIO_printf(bio_err,"file name too long\n");
1919                 goto err;
1920                 }
1921
1922 #ifndef OPENSSL_SYS_VMS
1923         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1924 #else
1925         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1926 #endif
1927 #ifndef OPENSSL_SYS_VMS
1928         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1929 #else
1930         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1931 #endif
1932 #ifndef OPENSSL_SYS_VMS
1933         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1934 #else
1935         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1936 #endif
1937 #ifdef RL_DEBUG
1938         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1939 #endif
1940         if (BIO_write_filename(out,buf[0]) <= 0)
1941                 {
1942                 perror(dbfile);
1943                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1944                 goto err;
1945                 }
1946         j=TXT_DB_write(out,db->db);
1947         if (j <= 0) goto err;
1948
1949         BIO_free(out);
1950
1951         out = BIO_new(BIO_s_file());
1952 #ifdef RL_DEBUG
1953         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1954 #endif
1955         if (BIO_write_filename(out,buf[1]) <= 0)
1956                 {
1957                 perror(buf[2]);
1958                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1959                 goto err;
1960                 }
1961         BIO_printf(out,"unique_subject = %s\n",
1962                 db->attributes.unique_subject ? "yes" : "no");
1963         BIO_free(out);
1964
1965         return 1;
1966  err:
1967         return 0;
1968         }
1969
1970 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1971         {
1972         char buf[5][BSIZE];
1973         int i,j;
1974
1975         i = strlen(dbfile) + strlen(old_suffix);
1976         j = strlen(dbfile) + strlen(new_suffix);
1977         if (i > j) j = i;
1978         if (j + 6 >= BSIZE)
1979                 {
1980                 BIO_printf(bio_err,"file name too long\n");
1981                 goto err;
1982                 }
1983
1984 #ifndef OPENSSL_SYS_VMS
1985         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1986 #else
1987         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1988 #endif
1989 #ifndef OPENSSL_SYS_VMS
1990         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1991                 dbfile, new_suffix);
1992 #else
1993         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1994                 dbfile, new_suffix);
1995 #endif
1996 #ifndef OPENSSL_SYS_VMS
1997         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1998                 dbfile, new_suffix);
1999 #else
2000         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
2001                 dbfile, new_suffix);
2002 #endif
2003 #ifndef OPENSSL_SYS_VMS
2004         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
2005                 dbfile, old_suffix);
2006 #else
2007         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
2008                 dbfile, old_suffix);
2009 #endif
2010 #ifndef OPENSSL_SYS_VMS
2011         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
2012                 dbfile, old_suffix);
2013 #else
2014         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
2015                 dbfile, old_suffix);
2016 #endif
2017 #ifdef RL_DEBUG
2018         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2019                 dbfile, buf[1]);
2020 #endif
2021         if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
2022 #ifdef ENOTDIR
2023                 && errno != ENOTDIR
2024 #endif
2025            )            {
2026                         BIO_printf(bio_err,
2027                                 "unable to rename %s to %s\n",
2028                                 dbfile, buf[1]);
2029                         perror("reason");
2030                         goto err;
2031                         }
2032 #ifdef RL_DEBUG
2033         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2034                 buf[0],dbfile);
2035 #endif
2036         if (rename(buf[0],dbfile) < 0)
2037                 {
2038                 BIO_printf(bio_err,
2039                         "unable to rename %s to %s\n",
2040                         buf[0],dbfile);
2041                 perror("reason");
2042                 rename(buf[1],dbfile);
2043                 goto err;
2044                 }
2045 #ifdef RL_DEBUG
2046         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2047                 buf[4],buf[3]);
2048 #endif
2049         if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
2050 #ifdef ENOTDIR
2051                 && errno != ENOTDIR
2052 #endif
2053            )            {
2054                         BIO_printf(bio_err,
2055                                 "unable to rename %s to %s\n",
2056                                 buf[4], buf[3]);
2057                         perror("reason");
2058                         rename(dbfile,buf[0]);
2059                         rename(buf[1],dbfile);
2060                         goto err;
2061                         }
2062 #ifdef RL_DEBUG
2063         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2064                 buf[2],buf[4]);
2065 #endif
2066         if (rename(buf[2],buf[4]) < 0)
2067                 {
2068                 BIO_printf(bio_err,
2069                         "unable to rename %s to %s\n",
2070                         buf[2],buf[4]);
2071                 perror("reason");
2072                 rename(buf[3],buf[4]);
2073                 rename(dbfile,buf[0]);
2074                 rename(buf[1],dbfile);
2075                 goto err;
2076                 }
2077         return 1;
2078  err:
2079         return 0;
2080         }
2081
2082 void free_index(CA_DB *db)
2083         {
2084         if (db)
2085                 {
2086                 if (db->db) TXT_DB_free(db->db);
2087                 OPENSSL_free(db);
2088                 }
2089         }
2090
2091 int parse_yesno(const char *str, int def)
2092         {
2093         int ret = def;
2094         if (str)
2095                 {
2096                 switch (*str)
2097                         {
2098                 case 'f': /* false */
2099                 case 'F': /* FALSE */
2100                 case 'n': /* no */
2101                 case 'N': /* NO */
2102                 case '0': /* 0 */
2103                         ret = 0;
2104                         break;
2105                 case 't': /* true */
2106                 case 'T': /* TRUE */
2107                 case 'y': /* yes */
2108                 case 'Y': /* YES */
2109                 case '1': /* 1 */
2110                         ret = 1;
2111                         break;
2112                 default:
2113                         ret = def;
2114                         break;
2115                         }
2116                 }
2117         return ret;
2118         }
2119
2120 /*
2121  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2122  * where characters may be escaped by \
2123  */
2124 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2125         {
2126         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2127         char *buf = OPENSSL_malloc(buflen);
2128         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2129         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2130         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2131         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2132
2133         char *sp = subject, *bp = buf;
2134         int i, ne_num = 0;
2135
2136         X509_NAME *n = NULL;
2137         int nid;
2138
2139         if (!buf || !ne_types || !ne_values || !mval)
2140                 {
2141                 BIO_printf(bio_err, "malloc error\n");
2142                 goto error;
2143                 }
2144
2145         if (*subject != '/')
2146                 {
2147                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2148                 goto error;
2149                 }
2150         sp++; /* skip leading / */
2151
2152         /* no multivalued RDN by default */
2153         mval[ne_num] = 0;
2154
2155         while (*sp)
2156                 {
2157                 /* collect type */
2158                 ne_types[ne_num] = bp;
2159                 while (*sp)
2160                         {
2161                         if (*sp == '\\') /* is there anything to escape in the type...? */
2162                                 {
2163                                 if (*++sp)
2164                                         *bp++ = *sp++;
2165                                 else
2166                                         {
2167                                         BIO_printf(bio_err, "escape character at end of string\n");
2168                                         goto error;
2169                                         }
2170                                 }
2171                         else if (*sp == '=')
2172                                 {
2173                                 sp++;
2174                                 *bp++ = '\0';
2175                                 break;
2176                                 }
2177                         else
2178                                 *bp++ = *sp++;
2179                         }
2180                 if (!*sp)
2181                         {
2182                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2183                         goto error;
2184                         }
2185                 ne_values[ne_num] = bp;
2186                 while (*sp)
2187                         {
2188                         if (*sp == '\\')
2189                                 {
2190                                 if (*++sp)
2191                                         *bp++ = *sp++;
2192                                 else
2193                                         {
2194                                         BIO_printf(bio_err, "escape character at end of string\n");
2195                                         goto error;
2196                                         }
2197                                 }
2198                         else if (*sp == '/')
2199                                 {
2200                                 sp++;
2201                                 /* no multivalued RDN by default */
2202                                 mval[ne_num+1] = 0;
2203                                 break;
2204                                 }
2205                         else if (*sp == '+' && multirdn)
2206                                 {
2207                                 /* a not escaped + signals a mutlivalued RDN */
2208                                 sp++;
2209                                 mval[ne_num+1] = -1;
2210                                 break;
2211                                 }
2212                         else
2213                                 *bp++ = *sp++;
2214                         }
2215                 *bp++ = '\0';
2216                 ne_num++;
2217                 }
2218
2219         if (!(n = X509_NAME_new()))
2220                 goto error;
2221
2222         for (i = 0; i < ne_num; i++)
2223                 {
2224                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2225                         {
2226                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2227                         continue;
2228                         }
2229
2230                 if (!*ne_values[i])
2231                         {
2232                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2233                         continue;
2234                         }
2235
2236                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2237                         goto error;
2238                 }
2239
2240         OPENSSL_free(ne_values);
2241         OPENSSL_free(ne_types);
2242         OPENSSL_free(buf);
2243         OPENSSL_free(mval);
2244         return n;
2245
2246 error:
2247         X509_NAME_free(n);
2248         if (ne_values)
2249                 OPENSSL_free(ne_values);
2250         if (ne_types)
2251                 OPENSSL_free(ne_types);
2252         if (mval)
2253                 OPENSSL_free(mval);
2254         if (buf)
2255                 OPENSSL_free(buf);
2256         return NULL;
2257 }
2258
2259 int args_verify(char ***pargs, int *pargc,
2260                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2261         {
2262         ASN1_OBJECT *otmp = NULL;
2263         unsigned long flags = 0;
2264         int i;
2265         int purpose = 0, depth = -1;
2266         char **oldargs = *pargs;
2267         char *arg = **pargs, *argn = (*pargs)[1];
2268         time_t at_time = 0;
2269         if (!strcmp(arg, "-policy"))
2270                 {
2271                 if (!argn)
2272                         *badarg = 1;
2273                 else
2274                         {
2275                         otmp = OBJ_txt2obj(argn, 0);
2276                         if (!otmp)
2277                                 {
2278                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2279                                                                         argn);
2280                                 *badarg = 1;
2281                                 }
2282                         }
2283                 (*pargs)++;
2284                 }
2285         else if (strcmp(arg,"-purpose") == 0)
2286                 {
2287                 X509_PURPOSE *xptmp;
2288                 if (!argn)
2289                         *badarg = 1;
2290                 else
2291                         {
2292                         i = X509_PURPOSE_get_by_sname(argn);
2293                         if(i < 0)
2294                                 {
2295                                 BIO_printf(err, "unrecognized purpose\n");
2296                                 *badarg = 1;
2297                                 }
2298                         else
2299                                 {
2300                                 xptmp = X509_PURPOSE_get0(i);
2301                                 purpose = X509_PURPOSE_get_id(xptmp);
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,"-attime") == 0)
2322                 {
2323                 if (!argn)
2324                         *badarg = 1;
2325                 else
2326                         {
2327                         long timestamp;
2328                         /* interpret the -attime argument as seconds since
2329                          * Epoch */
2330                         if (sscanf(argn, "%li", &timestamp) != 1)
2331                                 {
2332                                 BIO_printf(bio_err,
2333                                                 "Error parsing timestamp %s\n",
2334                                                 argn);
2335                                 *badarg = 1;
2336                                 }
2337                         /* on some platforms time_t may be a float */
2338                         at_time = (time_t) timestamp;
2339                         }
2340                 (*pargs)++;
2341                 }
2342         else if (!strcmp(arg, "-ignore_critical"))
2343                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2344         else if (!strcmp(arg, "-issuer_checks"))
2345                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2346         else if (!strcmp(arg, "-crl_check"))
2347                 flags |=  X509_V_FLAG_CRL_CHECK;
2348         else if (!strcmp(arg, "-crl_check_all"))
2349                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2350         else if (!strcmp(arg, "-policy_check"))
2351                 flags |= X509_V_FLAG_POLICY_CHECK;
2352         else if (!strcmp(arg, "-explicit_policy"))
2353                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2354         else if (!strcmp(arg, "-inhibit_any"))
2355                 flags |= X509_V_FLAG_INHIBIT_ANY;
2356         else if (!strcmp(arg, "-inhibit_map"))
2357                 flags |= X509_V_FLAG_INHIBIT_MAP;
2358         else if (!strcmp(arg, "-x509_strict"))
2359                 flags |= X509_V_FLAG_X509_STRICT;
2360         else if (!strcmp(arg, "-extended_crl"))
2361                 flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2362         else if (!strcmp(arg, "-use_deltas"))
2363                 flags |= X509_V_FLAG_USE_DELTAS;
2364         else if (!strcmp(arg, "-policy_print"))
2365                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2366         else if (!strcmp(arg, "-check_ss_sig"))
2367                 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2368         else
2369                 return 0;
2370
2371         if (*badarg)
2372                 {
2373                 if (*pm)
2374                         X509_VERIFY_PARAM_free(*pm);
2375                 *pm = NULL;
2376                 goto end;
2377                 }
2378
2379         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2380                 {
2381                 *badarg = 1;
2382                 goto end;
2383                 }
2384
2385         if (otmp)
2386                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2387         if (flags)
2388                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2389
2390         if (purpose)
2391                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2392
2393         if (depth >= 0)
2394                 X509_VERIFY_PARAM_set_depth(*pm, depth);
2395
2396         if (at_time)
2397                 X509_VERIFY_PARAM_set_time(*pm, at_time);
2398
2399         end:
2400
2401         (*pargs)++;
2402
2403         if (pargc)
2404                 *pargc -= *pargs - oldargs;
2405
2406         return 1;
2407
2408         }
2409
2410 /* Read whole contents of a BIO into an allocated memory buffer and
2411  * return it.
2412  */
2413
2414 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2415         {
2416         BIO *mem;
2417         int len, ret;
2418         unsigned char tbuf[1024];
2419         mem = BIO_new(BIO_s_mem());
2420         if (!mem)
2421                 return -1;
2422         for(;;)
2423                 {
2424                 if ((maxlen != -1) && maxlen < 1024)
2425                         len = maxlen;
2426                 else
2427                         len = 1024;
2428                 len = BIO_read(in, tbuf, len);
2429                 if (len <= 0)
2430                         break;
2431                 if (BIO_write(mem, tbuf, len) != len)
2432                         {
2433                         BIO_free(mem);
2434                         return -1;
2435                         }
2436                 maxlen -= len;
2437
2438                 if (maxlen == 0)
2439                         break;
2440                 }
2441         ret = BIO_get_mem_data(mem, (char **)out);
2442         BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2443         BIO_free(mem);
2444         return ret;
2445         }
2446
2447 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2448         {
2449         int rv;
2450         char *stmp, *vtmp = NULL;
2451         stmp = BUF_strdup(value);
2452         if (!stmp)
2453                 return -1;
2454         vtmp = strchr(stmp, ':');
2455         if (vtmp)
2456                 {
2457                 *vtmp = 0;
2458                 vtmp++;
2459                 }
2460         rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2461         OPENSSL_free(stmp);
2462         return rv;
2463         }
2464
2465 static void nodes_print(BIO *out, const char *name,
2466         STACK_OF(X509_POLICY_NODE) *nodes)
2467         {
2468         X509_POLICY_NODE *node;
2469         int i;
2470         BIO_printf(out, "%s Policies:", name);
2471         if (nodes)
2472                 {
2473                 BIO_puts(out, "\n");
2474                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2475                         {
2476                         node = sk_X509_POLICY_NODE_value(nodes, i);
2477                         X509_POLICY_NODE_print(out, node, 2);
2478                         }
2479                 }
2480         else
2481                 BIO_puts(out, " <empty>\n");
2482         }
2483
2484 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2485         {
2486         X509_POLICY_TREE *tree;
2487         int explicit_policy;
2488         int free_out = 0;
2489         if (out == NULL)
2490                 {
2491                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2492                 free_out = 1;
2493                 }
2494         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2495         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2496
2497         BIO_printf(out, "Require explicit Policy: %s\n",
2498                                 explicit_policy ? "True" : "False");
2499
2500         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2501         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2502         if (free_out)
2503                 BIO_free(out);
2504         }
2505
2506 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2507
2508 static JPAKE_CTX *jpake_init(const char *us, const char *them,
2509                                                          const char *secret)
2510         {
2511         BIGNUM *p = NULL;
2512         BIGNUM *g = NULL;
2513         BIGNUM *q = NULL;
2514         BIGNUM *bnsecret = BN_new();
2515         JPAKE_CTX *ctx;
2516
2517         /* Use a safe prime for p (that we found earlier) */
2518         BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2519         g = BN_new();
2520         BN_set_word(g, 2);
2521         q = BN_new();
2522         BN_rshift1(q, p);
2523
2524         BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2525
2526         ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2527         BN_free(bnsecret);
2528         BN_free(q);
2529         BN_free(g);
2530         BN_free(p);
2531
2532         return ctx;
2533         }
2534
2535 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2536         {
2537         BN_print(conn, p->gx);
2538         BIO_puts(conn, "\n");
2539         BN_print(conn, p->zkpx.gr);
2540         BIO_puts(conn, "\n");
2541         BN_print(conn, p->zkpx.b);
2542         BIO_puts(conn, "\n");
2543         }
2544
2545 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2546         {
2547         JPAKE_STEP1 s1;
2548
2549         JPAKE_STEP1_init(&s1);
2550         JPAKE_STEP1_generate(&s1, ctx);
2551         jpake_send_part(bconn, &s1.p1);
2552         jpake_send_part(bconn, &s1.p2);
2553         (void)BIO_flush(bconn);
2554         JPAKE_STEP1_release(&s1);
2555         }
2556
2557 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2558         {
2559         JPAKE_STEP2 s2;
2560
2561         JPAKE_STEP2_init(&s2);
2562         JPAKE_STEP2_generate(&s2, ctx);
2563         jpake_send_part(bconn, &s2);
2564         (void)BIO_flush(bconn);
2565         JPAKE_STEP2_release(&s2);
2566         }
2567
2568 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2569         {
2570         JPAKE_STEP3A s3a;
2571
2572         JPAKE_STEP3A_init(&s3a);
2573         JPAKE_STEP3A_generate(&s3a, ctx);
2574         BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2575         (void)BIO_flush(bconn);
2576         JPAKE_STEP3A_release(&s3a);
2577         }
2578
2579 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2580         {
2581         JPAKE_STEP3B s3b;
2582
2583         JPAKE_STEP3B_init(&s3b);
2584         JPAKE_STEP3B_generate(&s3b, ctx);
2585         BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2586         (void)BIO_flush(bconn);
2587         JPAKE_STEP3B_release(&s3b);
2588         }
2589
2590 static void readbn(BIGNUM **bn, BIO *bconn)
2591         {
2592         char buf[10240];
2593         int l;
2594
2595         l = BIO_gets(bconn, buf, sizeof buf);
2596         assert(l > 0);
2597         assert(buf[l-1] == '\n');
2598         buf[l-1] = '\0';
2599         BN_hex2bn(bn, buf);
2600         }
2601
2602 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2603         {
2604         readbn(&p->gx, bconn);
2605         readbn(&p->zkpx.gr, bconn);
2606         readbn(&p->zkpx.b, bconn);
2607         }
2608
2609 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2610         {
2611         JPAKE_STEP1 s1;
2612
2613         JPAKE_STEP1_init(&s1);
2614         jpake_receive_part(&s1.p1, bconn);
2615         jpake_receive_part(&s1.p2, bconn);
2616         if(!JPAKE_STEP1_process(ctx, &s1))
2617                 {
2618                 ERR_print_errors(bio_err);
2619                 exit(1);
2620                 }
2621         JPAKE_STEP1_release(&s1);
2622         }
2623
2624 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2625         {
2626         JPAKE_STEP2 s2;
2627
2628         JPAKE_STEP2_init(&s2);
2629         jpake_receive_part(&s2, bconn);
2630         if(!JPAKE_STEP2_process(ctx, &s2))
2631                 {
2632                 ERR_print_errors(bio_err);
2633                 exit(1);
2634                 }
2635         JPAKE_STEP2_release(&s2);
2636         }
2637
2638 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2639         {
2640         JPAKE_STEP3A s3a;
2641         int l;
2642
2643         JPAKE_STEP3A_init(&s3a);
2644         l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2645         assert(l == sizeof s3a.hhk);
2646         if(!JPAKE_STEP3A_process(ctx, &s3a))
2647                 {
2648                 ERR_print_errors(bio_err);
2649                 exit(1);
2650                 }
2651         JPAKE_STEP3A_release(&s3a);
2652         }
2653
2654 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2655         {
2656         JPAKE_STEP3B s3b;
2657         int l;
2658
2659         JPAKE_STEP3B_init(&s3b);
2660         l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2661         assert(l == sizeof s3b.hk);
2662         if(!JPAKE_STEP3B_process(ctx, &s3b))
2663                 {
2664                 ERR_print_errors(bio_err);
2665                 exit(1);
2666                 }
2667         JPAKE_STEP3B_release(&s3b);
2668         }
2669
2670 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2671         {
2672         JPAKE_CTX *ctx;
2673         BIO *bconn;
2674
2675         BIO_puts(out, "Authenticating with JPAKE\n");
2676
2677         ctx = jpake_init("client", "server", secret);
2678
2679         bconn = BIO_new(BIO_f_buffer());
2680         BIO_push(bconn, conn);
2681
2682         jpake_send_step1(bconn, ctx);
2683         jpake_receive_step1(ctx, bconn);
2684         jpake_send_step2(bconn, ctx);
2685         jpake_receive_step2(ctx, bconn);
2686         jpake_send_step3a(bconn, ctx);
2687         jpake_receive_step3b(ctx, bconn);
2688
2689         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2690
2691         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2692
2693         BIO_pop(bconn);
2694         BIO_free(bconn);
2695
2696         JPAKE_CTX_free(ctx);
2697         }
2698
2699 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2700         {
2701         JPAKE_CTX *ctx;
2702         BIO *bconn;
2703
2704         BIO_puts(out, "Authenticating with JPAKE\n");
2705
2706         ctx = jpake_init("server", "client", secret);
2707
2708         bconn = BIO_new(BIO_f_buffer());
2709         BIO_push(bconn, conn);
2710
2711         jpake_receive_step1(ctx, bconn);
2712         jpake_send_step1(bconn, ctx);
2713         jpake_receive_step2(ctx, bconn);
2714         jpake_send_step2(bconn, ctx);
2715         jpake_receive_step3a(ctx, bconn);
2716         jpake_send_step3b(bconn, ctx);
2717
2718         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2719
2720         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2721
2722         BIO_pop(bconn);
2723         BIO_free(bconn);
2724
2725         JPAKE_CTX_free(ctx);
2726         }
2727
2728 #endif
2729
2730 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2731 /* next_protos_parse parses a comma separated list of strings into a string
2732  * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2733  *   outlen: (output) set to the length of the resulting buffer on success.
2734  *   err: (maybe NULL) on failure, an error message line is written to this BIO.
2735  *   in: a NUL termianted string like "abc,def,ghi"
2736  *
2737  *   returns: a malloced buffer or NULL on failure.
2738  */
2739 unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
2740         {
2741         size_t len;
2742         unsigned char *out;
2743         size_t i, start = 0;
2744
2745         len = strlen(in);
2746         if (len >= 65535)
2747                 return NULL;
2748
2749         out = OPENSSL_malloc(strlen(in) + 1);
2750         if (!out)
2751                 return NULL;
2752
2753         for (i = 0; i <= len; ++i)
2754                 {
2755                 if (i == len || in[i] == ',')
2756                         {
2757                         if (i - start > 255)
2758                                 {
2759                                 OPENSSL_free(out);
2760                                 return NULL;
2761                                 }
2762                         out[start] = i - start;
2763                         start = i + 1;
2764                         }
2765                 else
2766                         out[i+1] = in[i];
2767                 }
2768
2769         *outlen = len + 1;
2770         return out;
2771         }
2772 #endif  /* !OPENSSL_NO_TLSEXT && !OPENSSL_NO_NEXTPROTONEG */
2773
2774 /*
2775  * Platform-specific sections
2776  */
2777 #if defined(_WIN32)
2778 # ifdef fileno
2779 #  undef fileno
2780 #  define fileno(a) (int)_fileno(a)
2781 # endif
2782
2783 # include <windows.h>
2784 # include <tchar.h>
2785
2786 static int WIN32_rename(const char *from, const char *to)
2787         {
2788         TCHAR  *tfrom=NULL,*tto;
2789         DWORD   err;
2790         int     ret=0;
2791
2792         if (sizeof(TCHAR) == 1)
2793                 {
2794                 tfrom = (TCHAR *)from;
2795                 tto   = (TCHAR *)to;
2796                 }
2797         else    /* UNICODE path */
2798                 {
2799                 size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
2800                 tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
2801                 if (tfrom==NULL) goto err;
2802                 tto=tfrom+flen;
2803 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2804                 if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
2805 #endif
2806                         for (i=0;i<flen;i++)    tfrom[i]=(TCHAR)from[i];
2807 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2808                 if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
2809 #endif
2810                         for (i=0;i<tlen;i++)    tto[i]  =(TCHAR)to[i];
2811                 }
2812
2813         if (MoveFile(tfrom,tto))        goto ok;
2814         err=GetLastError();
2815         if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
2816                 {
2817                 if (DeleteFile(tto) && MoveFile(tfrom,tto))
2818                         goto ok;
2819                 err=GetLastError();
2820                 }
2821         if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
2822                 errno = ENOENT;
2823         else if (err==ERROR_ACCESS_DENIED)
2824                 errno = EACCES;
2825         else
2826                 errno = EINVAL; /* we could map more codes... */
2827 err:
2828         ret=-1;
2829 ok:
2830         if (tfrom!=NULL && tfrom!=(TCHAR *)from)        free(tfrom);
2831         return ret;
2832         }
2833 #endif
2834
2835 /* app_tminterval section */
2836 #if defined(_WIN32)
2837 double app_tminterval(int stop,int usertime)
2838         {
2839         FILETIME                now;
2840         double                  ret=0;
2841         static ULARGE_INTEGER   tmstart;
2842         static int              warning=1;
2843 #ifdef _WIN32_WINNT
2844         static HANDLE           proc=NULL;
2845
2846         if (proc==NULL)
2847                 {
2848                 if (check_winnt())
2849                         proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
2850                                                 GetCurrentProcessId());
2851                 if (proc==NULL) proc = (HANDLE)-1;
2852                 }
2853
2854         if (usertime && proc!=(HANDLE)-1)
2855                 {
2856                 FILETIME junk;
2857                 GetProcessTimes(proc,&junk,&junk,&junk,&now);
2858                 }
2859         else
2860 #endif
2861                 {
2862                 SYSTEMTIME systime;
2863
2864                 if (usertime && warning)
2865                         {
2866                         BIO_printf(bio_err,"To get meaningful results, run "
2867                                            "this program on idle system.\n");
2868                         warning=0;
2869                         }
2870                 GetSystemTime(&systime);
2871                 SystemTimeToFileTime(&systime,&now);
2872                 }
2873
2874         if (stop==TM_START)
2875                 {
2876                 tmstart.u.LowPart  = now.dwLowDateTime;
2877                 tmstart.u.HighPart = now.dwHighDateTime;
2878                 }
2879         else    {
2880                 ULARGE_INTEGER tmstop;
2881
2882                 tmstop.u.LowPart   = now.dwLowDateTime;
2883                 tmstop.u.HighPart  = now.dwHighDateTime;
2884
2885                 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
2886                 }
2887
2888         return (ret);
2889         }
2890
2891 #elif defined(OPENSSL_SYS_NETWARE)
2892 #include <time.h>
2893
2894 double app_tminterval(int stop,int usertime)
2895         {
2896         double          ret=0;
2897         static clock_t  tmstart;
2898         static int      warning=1;
2899
2900         if (usertime && warning)
2901                 {
2902                 BIO_printf(bio_err,"To get meaningful results, run "
2903                                    "this program on idle system.\n");
2904                 warning=0;
2905                 }
2906
2907         if (stop==TM_START)     tmstart = clock();
2908         else                    ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
2909
2910         return (ret);
2911         }
2912
2913 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2914 #include <time.h>
2915
2916 double app_tminterval(int stop,int usertime)
2917         {
2918         double ret=0;
2919 #ifdef CLOCK_REALTIME
2920         static struct timespec  tmstart;
2921         struct timespec         now;
2922 #else
2923         static unsigned long    tmstart;
2924         unsigned long           now;
2925 #endif
2926         static int warning=1;
2927
2928         if (usertime && warning)
2929                 {
2930                 BIO_printf(bio_err,"To get meaningful results, run "
2931                                    "this program on idle system.\n");
2932                 warning=0;
2933                 }
2934
2935 #ifdef CLOCK_REALTIME
2936         clock_gettime(CLOCK_REALTIME,&now);
2937         if (stop==TM_START)     tmstart = now;
2938         else    ret = ( (now.tv_sec+now.tv_nsec*1e-9)
2939                         - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
2940 #else
2941         now = tickGet();
2942         if (stop==TM_START)     tmstart = now;
2943         else                    ret = (now - tmstart)/(double)sysClkRateGet();
2944 #endif
2945         return (ret);
2946         }
2947
2948 #elif defined(OPENSSL_SYSTEM_VMS)
2949 #include <time.h>
2950 #include <times.h>
2951
2952 double app_tminterval(int stop,int usertime)
2953         {
2954         static clock_t  tmstart;
2955         double          ret = 0;
2956         clock_t         now;
2957 #ifdef __TMS
2958         struct tms      rus;
2959
2960         now = times(&rus);
2961         if (usertime)   now = rus.tms_utime;
2962 #else
2963         if (usertime)
2964                 now = clock(); /* sum of user and kernel times */
2965         else    {
2966                 struct timeval tv;
2967                 gettimeofday(&tv,NULL);
2968                 now = (clock_t)(
2969                         (unsigned long long)tv.tv_sec*CLK_TCK +
2970                         (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
2971                         );
2972                 }
2973 #endif
2974         if (stop==TM_START)     tmstart = now;
2975         else                    ret = (now - tmstart)/(double)(CLK_TCK);
2976
2977         return (ret);
2978         }
2979
2980 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
2981 #include <sys/times.h>
2982
2983 double app_tminterval(int stop,int usertime)
2984         {
2985         double          ret = 0;
2986         struct tms      rus;
2987         clock_t         now = times(&rus);
2988         static clock_t  tmstart;
2989
2990         if (usertime)           now = rus.tms_utime;
2991
2992         if (stop==TM_START)     tmstart = now;
2993         else
2994                 {
2995                 long int tck = sysconf(_SC_CLK_TCK);
2996                 ret = (now - tmstart)/(double)tck;
2997                 }
2998
2999         return (ret);
3000         }
3001
3002 #else
3003 #include <sys/time.h>
3004 #include <sys/resource.h>
3005
3006 double app_tminterval(int stop,int usertime)
3007         {
3008         double          ret = 0;
3009         struct rusage   rus;
3010         struct timeval  now;
3011         static struct timeval tmstart;
3012
3013         if (usertime)           getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
3014         else                    gettimeofday(&now,NULL);
3015
3016         if (stop==TM_START)     tmstart = now;
3017         else                    ret = ( (now.tv_sec+now.tv_usec*1e-6)
3018                                         - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
3019
3020         return ret;
3021         }
3022 #endif
3023
3024 /* app_isdir section */
3025 #ifdef _WIN32
3026 int app_isdir(const char *name)
3027         {
3028         HANDLE          hList;
3029         WIN32_FIND_DATA FileData;
3030 #if defined(UNICODE) || defined(_UNICODE)
3031         size_t i, len_0 = strlen(name)+1;
3032
3033         if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
3034                 return -1;
3035
3036 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3037         if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
3038 #endif
3039                 for (i=0;i<len_0;i++)
3040                         FileData.cFileName[i] = (WCHAR)name[i];
3041
3042         hList = FindFirstFile(FileData.cFileName,&FileData);
3043 #else
3044         hList = FindFirstFile(name,&FileData);
3045 #endif
3046         if (hList == INVALID_HANDLE_VALUE)      return -1;
3047         FindClose(hList);
3048         return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
3049         }
3050 #else
3051 #include <sys/stat.h>
3052 #ifndef S_ISDIR
3053 # if defined(_S_IFMT) && defined(_S_IFDIR)
3054 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
3055 # else
3056 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
3057 # endif
3058 #endif
3059
3060 int app_isdir(const char *name)
3061         {
3062 #if defined(S_ISDIR)
3063         struct stat st;
3064
3065         if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
3066         else                    return -1;
3067 #else
3068         return -1;
3069 #endif
3070         }
3071 #endif
3072
3073 /* raw_read|write section */
3074 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
3075 int raw_read_stdin(void *buf,int siz)
3076         {
3077         DWORD n;
3078         if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
3079                 return (n);
3080         else    return (-1);
3081         }
3082 #else
3083 int raw_read_stdin(void *buf,int siz)
3084         {       return read(fileno(stdin),buf,siz);     }
3085 #endif
3086
3087 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3088 int raw_write_stdout(const void *buf,int siz)
3089         {
3090         DWORD n;
3091         if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
3092                 return (n);
3093         else    return (-1);
3094         }
3095 #else
3096 int raw_write_stdout(const void *buf,int siz)
3097         {       return write(fileno(stdout),buf,siz);   }
3098 #endif