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 == 'H') || (*s == 'h'))
 279                 return FORMAT_HTTP;
 280         else if ((*s == 'P') || (*s == 'p'))
 281                 {
 282                 if (s[1] == 'V' || s[1] == 'v')
 283                         return FORMAT_PVK;
 284                 else
 285                         return(FORMAT_PEM);
 286                 }
 287         else
 288                 return(FORMAT_UNDEF);
 289         }
 290
 291 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 292 void program_name(char *in, char *out, int size)
 293         {
 294         int i,n;
 295         char *p=NULL;
 296
 297         n=strlen(in);
 298         /* find the last '/', '\' or ':' */
 299         for (i=n-1; i>0; i--)
 300                 {
 301                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 302                         {
 303                         p= &(in[i+1]);
 304                         break;
 305                         }
 306                 }
 307         if (p == NULL)
 308                 p=in;
 309         n=strlen(p);
 310
 311 #if defined(OPENSSL_SYS_NETWARE)
 312    /* strip off trailing .nlm if present. */
 313    if ((n > 4) && (p[n-4] == '.') &&
 314       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 315       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 316       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 317       n-=4;
 318 #else
 319         /* strip off trailing .exe if present. */
 320         if ((n > 4) && (p[n-4] == '.') &&
 321                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 322                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 323                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 324                 n-=4;
 325 #endif
 326
 327         if (n > size-1)
 328                 n=size-1;
 329
 330         for (i=0; i<n; i++)
 331                 {
 332                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 333                         out[i]=p[i]-'A'+'a';
 334                 else
 335                         out[i]=p[i];
 336                 }
 337         out[n]='\0';
 338         }
 339 #else
 340 #ifdef OPENSSL_SYS_VMS
 341 void program_name(char *in, char *out, int size)
 342         {
 343         char *p=in, *q;
 344         char *chars=":]>";
 345
 346         while(*chars != '\0')
 347                 {
 348                 q=strrchr(p,*chars);
 349                 if (q > p)
 350                         p = q + 1;
 351                 chars++;
 352                 }
 353
 354         q=strrchr(p,'.');
 355         if (q == NULL)
 356                 q = p + strlen(p);
 357         strncpy(out,p,size-1);
 358         if (q-p >= size)
 359                 {
 360                 out[size-1]='\0';
 361                 }
 362         else
 363                 {
 364                 out[q-p]='\0';
 365                 }
 366         }
 367 #else
 368 void program_name(char *in, char *out, int size)
 369         {
 370         char *p;
 371
 372         p=strrchr(in,'/');
 373         if (p != NULL)
 374                 p++;
 375         else
 376                 p=in;
 377         BUF_strlcpy(out,p,size);
 378         }
 379 #endif
 380 #endif
 381
 382 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 383         {
 384         int num,i;
 385         char *p;
 386
 387         *argc=0;
 388         *argv=NULL;
 389
 390         i=0;
 391         if (arg->count == 0)
 392                 {
 393                 arg->count=20;
 394                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 395                 }
 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 int load_cert_crl_http(const char *url, BIO *err,
 789                                         X509 **pcert, X509_CRL **pcrl)
 790         {
 791         char *host = NULL, *port = NULL, *path = NULL;
 792         BIO *bio = NULL;
 793         OCSP_REQ_CTX *rctx = NULL;
 794         int use_ssl, rv = 0;
 795         if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
 796                 goto err;
 797         if (use_ssl)
 798                 {
 799                 if (err)
 800                         BIO_puts(err, "https not supported\n");
 801                 goto err;
 802                 }
 803         bio = BIO_new_connect(host);
 804         if (!bio || !BIO_set_conn_port(bio, port))
 805                 goto err;
 806         rctx = OCSP_REQ_CTX_new(bio, 1024);
 807         if (!rctx)
 808                 goto err;
 809         if (!OCSP_REQ_CTX_http(rctx, "GET", path))
 810                 goto err;
 811         if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
 812                 goto err;
 813         if (pcert)
 814                 {
 815                 do
 816                         {
 817                         rv = X509_http_nbio(rctx, pcert);
 818                         }
 819                 while (rv == -1);
 820                 }
 821         else
 822                 {
 823                 do
 824                         {
 825                         rv = X509_CRL_http_nbio(rctx, pcrl);
 826                         } while (rv == -1);
 827                 }
 828
 829         err:
 830         if (host)
 831                 OPENSSL_free(host);
 832         if (path)
 833                 OPENSSL_free(path);
 834         if (port)
 835                 OPENSSL_free(port);
 836         if (bio)
 837                 BIO_free_all(bio);
 838         if (rctx)
 839                 OCSP_REQ_CTX_free(rctx);
 840         if (rv != 1)
 841                 {
 842                 if (bio && err)
 843                         BIO_printf(bio_err, "Error loading %s from %s\n",
 844                                         pcert ? "certificate" : "CRL", url);
 845                 ERR_print_errors(bio_err);
 846                 }
 847         return rv;
 848         }
 849
 850 X509 *load_cert(BIO *err, const char *file, int format,
 851         const char *pass, ENGINE *e, const char *cert_descrip)
 852         {
 853         X509 *x=NULL;
 854         BIO *cert;
 855
 856         if (format == FORMAT_HTTP)
 857                 {
 858                 load_cert_crl_http(file, err, &x, NULL);
 859                 return x;
 860                 }
 861
 862         if ((cert=BIO_new(BIO_s_file())) == NULL)
 863                 {
 864                 ERR_print_errors(err);
 865                 goto end;
 866                 }
 867
 868         if (file == NULL)
 869                 {
 870 #ifdef _IONBF
 871 # ifndef OPENSSL_NO_SETVBUF_IONBF
 872                 setvbuf(stdin, NULL, _IONBF, 0);
 873 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
 874 #endif
 875                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 876                 }
 877         else
 878                 {
 879                 if (BIO_read_filename(cert,file) <= 0)
 880                         {
 881                         BIO_printf(err, "Error opening %s %s\n",
 882                                 cert_descrip, file);
 883                         ERR_print_errors(err);
 884                         goto end;
 885                         }
 886                 }
 887
 888         if      (format == FORMAT_ASN1)
 889                 x=d2i_X509_bio(cert,NULL);
 890         else if (format == FORMAT_NETSCAPE)
 891                 {
 892                 NETSCAPE_X509 *nx;
 893                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
 894                 if (nx == NULL)
 895                                 goto end;
 896
 897                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
 898                         nx->header->length) != 0))
 899                         {
 900                         NETSCAPE_X509_free(nx);
 901                         BIO_printf(err,"Error reading header on certificate\n");
 902                         goto end;
 903                         }
 904                 x=nx->cert;
 905                 nx->cert = NULL;
 906                 NETSCAPE_X509_free(nx);
 907                 }
 908         else if (format == FORMAT_PEM)
 909                 x=PEM_read_bio_X509_AUX(cert,NULL,
 910                         (pem_password_cb *)password_callback, NULL);
 911         else if (format == FORMAT_PKCS12)
 912                 {
 913                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 914                                         NULL, &x, NULL))
 915                         goto end;
 916                 }
 917         else    {
 918                 BIO_printf(err,"bad input format specified for %s\n",
 919                         cert_descrip);
 920                 goto end;
 921                 }
 922 end:
 923         if (x == NULL)
 924                 {
 925                 BIO_printf(err,"unable to load certificate\n");
 926                 ERR_print_errors(err);
 927                 }
 928         if (cert != NULL) BIO_free(cert);
 929         return(x);
 930         }
 931
 932 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 933         const char *pass, ENGINE *e, const char *key_descrip)
 934         {
 935         BIO *key=NULL;
 936         EVP_PKEY *pkey=NULL;
 937         PW_CB_DATA cb_data;
 938
 939         cb_data.password = pass;
 940         cb_data.prompt_info = file;
 941
 942         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 943                 {
 944                 BIO_printf(err,"no keyfile specified\n");
 945                 goto end;
 946                 }
 947 #ifndef OPENSSL_NO_ENGINE
 948         if (format == FORMAT_ENGINE)
 949                 {
 950                 if (!e)
 951                         BIO_printf(err,"no engine specified\n");
 952                 else
 953                         {
 954                         pkey = ENGINE_load_private_key(e, file,
 955                                 ui_method, &cb_data);
 956                         if (!pkey)
 957                                 {
 958                                 BIO_printf(err,"cannot load %s from engine\n",key_descrip);
 959                                 ERR_print_errors(err);
 960                                 }
 961                         }
 962                 goto end;
 963                 }
 964 #endif
 965         key=BIO_new(BIO_s_file());
 966         if (key == NULL)
 967                 {
 968                 ERR_print_errors(err);
 969                 goto end;
 970                 }
 971         if (file == NULL && maybe_stdin)
 972                 {
 973 #ifdef _IONBF
 974 # ifndef OPENSSL_NO_SETVBUF_IONBF
 975                 setvbuf(stdin, NULL, _IONBF, 0);
 976 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
 977 #endif
 978                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 979                 }
 980         else
 981                 if (BIO_read_filename(key,file) <= 0)
 982                         {
 983                         BIO_printf(err, "Error opening %s %s\n",
 984                                 key_descrip, file);
 985                         ERR_print_errors(err);
 986                         goto end;
 987                         }
 988         if (format == FORMAT_ASN1)
 989                 {
 990                 pkey=d2i_PrivateKey_bio(key, NULL);
 991                 }
 992         else if (format == FORMAT_PEM)
 993                 {
 994                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 995                         (pem_password_cb *)password_callback, &cb_data);
 996                 }
 997 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 998         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 999                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1000 #endif
1001         else if (format == FORMAT_PKCS12)
1002                 {
1003                 if (!load_pkcs12(err, key, key_descrip,
1004                                 (pem_password_cb *)password_callback, &cb_data,
1005                                 &pkey, NULL, NULL))
1006                         goto end;
1007                 }
1008 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
1009         else if (format == FORMAT_MSBLOB)
1010                 pkey = b2i_PrivateKey_bio(key);
1011         else if (format == FORMAT_PVK)
1012                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
1013                                                                 &cb_data);
1014 #endif
1015         else
1016                 {
1017                 BIO_printf(err,"bad input format specified for key file\n");
1018                 goto end;
1019                 }
1020  end:
1021         if (key != NULL) BIO_free(key);
1022         if (pkey == NULL)
1023                 {
1024                 BIO_printf(err,"unable to load %s\n", key_descrip);
1025                 ERR_print_errors(err);
1026                 }
1027         return(pkey);
1028         }
1029
1030 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
1031         const char *pass, ENGINE *e, const char *key_descrip)
1032         {
1033         BIO *key=NULL;
1034         EVP_PKEY *pkey=NULL;
1035         PW_CB_DATA cb_data;
1036
1037         cb_data.password = pass;
1038         cb_data.prompt_info = file;
1039
1040         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
1041                 {
1042                 BIO_printf(err,"no keyfile specified\n");
1043                 goto end;
1044                 }
1045 #ifndef OPENSSL_NO_ENGINE
1046         if (format == FORMAT_ENGINE)
1047                 {
1048                 if (!e)
1049                         BIO_printf(bio_err,"no engine specified\n");
1050                 else
1051                         pkey = ENGINE_load_public_key(e, file,
1052                                 ui_method, &cb_data);
1053                 goto end;
1054                 }
1055 #endif
1056         key=BIO_new(BIO_s_file());
1057         if (key == NULL)
1058                 {
1059                 ERR_print_errors(err);
1060                 goto end;
1061                 }
1062         if (file == NULL && maybe_stdin)
1063                 {
1064 #ifdef _IONBF
1065 # ifndef OPENSSL_NO_SETVBUF_IONBF
1066                 setvbuf(stdin, NULL, _IONBF, 0);
1067 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
1068 #endif
1069                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
1070                 }
1071         else
1072                 if (BIO_read_filename(key,file) <= 0)
1073                         {
1074                         BIO_printf(err, "Error opening %s %s\n",
1075                                 key_descrip, file);
1076                         ERR_print_errors(err);
1077                         goto end;
1078                 }
1079         if (format == FORMAT_ASN1)
1080                 {
1081                 pkey=d2i_PUBKEY_bio(key, NULL);
1082                 }
1083 #ifndef OPENSSL_NO_RSA
1084         else if (format == FORMAT_ASN1RSA)
1085                 {
1086                 RSA *rsa;
1087                 rsa = d2i_RSAPublicKey_bio(key, NULL);
1088                 if (rsa)
1089                         {
1090                         pkey = EVP_PKEY_new();
1091                         if (pkey)
1092                                 EVP_PKEY_set1_RSA(pkey, rsa);
1093                         RSA_free(rsa);
1094                         }
1095                 else
1096                         pkey = NULL;
1097                 }
1098         else if (format == FORMAT_PEMRSA)
1099                 {
1100                 RSA *rsa;
1101                 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1102                         (pem_password_cb *)password_callback, &cb_data);
1103                 if (rsa)
1104                         {
1105                         pkey = EVP_PKEY_new();
1106                         if (pkey)
1107                                 EVP_PKEY_set1_RSA(pkey, rsa);
1108                         RSA_free(rsa);
1109                         }
1110                 else
1111                         pkey = NULL;
1112                 }
1113 #endif
1114         else if (format == FORMAT_PEM)
1115                 {
1116                 pkey=PEM_read_bio_PUBKEY(key,NULL,
1117                         (pem_password_cb *)password_callback, &cb_data);
1118                 }
1119 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1120         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1121                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1122 #endif
1123 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1124         else if (format == FORMAT_MSBLOB)
1125                 pkey = b2i_PublicKey_bio(key);
1126 #endif
1127         else
1128                 {
1129                 BIO_printf(err,"bad input format specified for key file\n");
1130                 goto end;
1131                 }
1132  end:
1133         if (key != NULL) BIO_free(key);
1134         if (pkey == NULL)
1135                 BIO_printf(err,"unable to load %s\n", key_descrip);
1136         return(pkey);
1137         }
1138
1139 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1140 static EVP_PKEY *
1141 load_netscape_key(BIO *err, BIO *key, const char *file,
1142                 const char *key_descrip, int format)
1143         {
1144         EVP_PKEY *pkey;
1145         BUF_MEM *buf;
1146         RSA     *rsa;
1147         const unsigned char *p;
1148         int size, i;
1149
1150         buf=BUF_MEM_new();
1151         pkey = EVP_PKEY_new();
1152         size = 0;
1153         if (buf == NULL || pkey == NULL)
1154                 goto error;
1155         for (;;)
1156                 {
1157                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1158                         goto error;
1159                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1160                 size += i;
1161                 if (i == 0)
1162                         break;
1163                 if (i < 0)
1164                         {
1165                                 BIO_printf(err, "Error reading %s %s",
1166                                         key_descrip, file);
1167                                 goto error;
1168                         }
1169                 }
1170         p=(unsigned char *)buf->data;
1171         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1172                 (format == FORMAT_IISSGC ? 1 : 0));
1173         if (rsa == NULL)
1174                 goto error;
1175         BUF_MEM_free(buf);
1176         EVP_PKEY_set1_RSA(pkey, rsa);
1177         return pkey;
1178 error:
1179         BUF_MEM_free(buf);
1180         EVP_PKEY_free(pkey);
1181         return NULL;
1182         }
1183 #endif /* ndef OPENSSL_NO_RC4 */
1184
1185 static int load_certs_crls(BIO *err, const char *file, int format,
1186         const char *pass, ENGINE *e, const char *desc,
1187         STACK_OF(X509) **pcerts, STACK_OF(X509_CRL) **pcrls)
1188         {
1189         int i;
1190         BIO *bio;
1191         STACK_OF(X509_INFO) *xis = NULL;
1192         X509_INFO *xi;
1193         PW_CB_DATA cb_data;
1194         int rv = 0;
1195
1196         cb_data.password = pass;
1197         cb_data.prompt_info = file;
1198
1199         if (format != FORMAT_PEM)
1200                 {
1201                 BIO_printf(err,"bad input format specified for %s\n", desc);
1202                 return 0;
1203                 }
1204
1205         if (file == NULL)
1206                 bio = BIO_new_fp(stdin,BIO_NOCLOSE);
1207         else
1208                 bio = BIO_new_file(file, "r");
1209
1210         if (bio == NULL)
1211                 {
1212                 BIO_printf(err, "Error opening %s %s\n",
1213                                 desc, file ? file : "stdin");
1214                 ERR_print_errors(err);
1215                 return 0;
1216                 }
1217
1218         xis = PEM_X509_INFO_read_bio(bio, NULL,
1219                                 (pem_password_cb *)password_callback, &cb_data);
1220
1221         BIO_free(bio);
1222
1223         if (pcerts)
1224                 {
1225                 *pcerts = sk_X509_new_null();
1226                 if (!*pcerts)
1227                         goto end;
1228                 }
1229
1230         if (pcrls)
1231                 {
1232                 *pcrls = sk_X509_CRL_new_null();
1233                 if (!*pcrls)
1234                         goto end;
1235                 }
1236
1237         for(i = 0; i < sk_X509_INFO_num(xis); i++)
1238                 {
1239                 xi = sk_X509_INFO_value (xis, i);
1240                 if (xi->x509 && pcerts)
1241                         {
1242                         if (!sk_X509_push(*pcerts, xi->x509))
1243                                 goto end;
1244                         xi->x509 = NULL;
1245                         }
1246                 if (xi->crl && pcrls)
1247                         {
1248                         if (!sk_X509_CRL_push(*pcrls, xi->crl))
1249                                 goto end;
1250                         xi->crl = NULL;
1251                         }
1252                 }
1253
1254         if (pcerts && sk_X509_num(*pcerts) > 0)
1255                 rv = 1;
1256
1257         if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1258                 rv = 1;
1259
1260         end:
1261
1262         if (xis)
1263                 sk_X509_INFO_pop_free(xis, X509_INFO_free);
1264
1265         if (rv == 0)
1266                 {
1267                 if (pcerts)
1268                         {
1269                         sk_X509_pop_free(*pcerts, X509_free);
1270                         *pcerts = NULL;
1271                         }
1272                 if (pcrls)
1273                         {
1274                         sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1275                         *pcrls = NULL;
1276                         }
1277                 BIO_printf(err,"unable to load %s\n",
1278                                 pcerts ? "certificates" : "CRLs");
1279                 ERR_print_errors(err);
1280                 }
1281         return rv;
1282         }
1283
1284 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1285         const char *pass, ENGINE *e, const char *desc)
1286         {
1287         STACK_OF(X509) *certs;
1288         if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
1289                 return NULL;
1290         return certs;
1291         }
1292
1293 STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1294         const char *pass, ENGINE *e, const char *desc)
1295         {
1296         STACK_OF(X509_CRL) *crls;
1297         if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
1298                 return NULL;
1299         return crls;
1300         }
1301
1302 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1303 /* Return error for unknown extensions */
1304 #define X509V3_EXT_DEFAULT              0
1305 /* Print error for unknown extensions */
1306 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1307 /* ASN1 parse unknown extensions */
1308 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1309 /* BIO_dump unknown extensions */
1310 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1311
1312 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1313                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1314
1315 int set_cert_ex(unsigned long *flags, const char *arg)
1316 {
1317         static const NAME_EX_TBL cert_tbl[] = {
1318                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1319                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1320                 { "no_header", X509_FLAG_NO_HEADER, 0},
1321                 { "no_version", X509_FLAG_NO_VERSION, 0},
1322                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1323                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1324                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1325                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1326                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1327                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1328                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1329                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1330                 { "no_aux", X509_FLAG_NO_AUX, 0},
1331                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1332                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1333                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1334                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1335                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1336                 { NULL, 0, 0}
1337         };
1338         return set_multi_opts(flags, arg, cert_tbl);
1339 }
1340
1341 int set_name_ex(unsigned long *flags, const char *arg)
1342 {
1343         static const NAME_EX_TBL ex_tbl[] = {
1344                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1345                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1346                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1347                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1348                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1349                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1350                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1351                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1352                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1353                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1354                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1355                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1356                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1357                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1358                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1359                 { "dn_rev", XN_FLAG_DN_REV, 0},
1360                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1361                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1362                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1363                 { "align", XN_FLAG_FN_ALIGN, 0},
1364                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1365                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1366                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1367                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1368                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1369                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1370                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1371                 { NULL, 0, 0}
1372         };
1373         return set_multi_opts(flags, arg, ex_tbl);
1374 }
1375
1376 int set_ext_copy(int *copy_type, const char *arg)
1377 {
1378         if (!strcasecmp(arg, "none"))
1379                 *copy_type = EXT_COPY_NONE;
1380         else if (!strcasecmp(arg, "copy"))
1381                 *copy_type = EXT_COPY_ADD;
1382         else if (!strcasecmp(arg, "copyall"))
1383                 *copy_type = EXT_COPY_ALL;
1384         else
1385                 return 0;
1386         return 1;
1387 }
1388
1389 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1390 {
1391         STACK_OF(X509_EXTENSION) *exts = NULL;
1392         X509_EXTENSION *ext, *tmpext;
1393         ASN1_OBJECT *obj;
1394         int i, idx, ret = 0;
1395         if (!x || !req || (copy_type == EXT_COPY_NONE))
1396                 return 1;
1397         exts = X509_REQ_get_extensions(req);
1398
1399         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1400                 ext = sk_X509_EXTENSION_value(exts, i);
1401                 obj = X509_EXTENSION_get_object(ext);
1402                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1403                 /* Does extension exist? */
1404                 if (idx != -1) {
1405                         /* If normal copy don't override existing extension */
1406                         if (copy_type == EXT_COPY_ADD)
1407                                 continue;
1408                         /* Delete all extensions of same type */
1409                         do {
1410                                 tmpext = X509_get_ext(x, idx);
1411                                 X509_delete_ext(x, idx);
1412                                 X509_EXTENSION_free(tmpext);
1413                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1414                         } while (idx != -1);
1415                 }
1416                 if (!X509_add_ext(x, ext, -1))
1417                         goto end;
1418         }
1419
1420         ret = 1;
1421
1422         end:
1423
1424         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1425
1426         return ret;
1427 }
1428
1429
1430
1431
1432 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1433 {
1434         STACK_OF(CONF_VALUE) *vals;
1435         CONF_VALUE *val;
1436         int i, ret = 1;
1437         if(!arg) return 0;
1438         vals = X509V3_parse_list(arg);
1439         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1440                 val = sk_CONF_VALUE_value(vals, i);
1441                 if (!set_table_opts(flags, val->name, in_tbl))
1442                         ret = 0;
1443         }
1444         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1445         return ret;
1446 }
1447
1448 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1449 {
1450         char c;
1451         const NAME_EX_TBL *ptbl;
1452         c = arg[0];
1453
1454         if(c == '-') {
1455                 c = 0;
1456                 arg++;
1457         } else if (c == '+') {
1458                 c = 1;
1459                 arg++;
1460         } else c = 1;
1461
1462         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1463                 if(!strcasecmp(arg, ptbl->name)) {
1464                         *flags &= ~ptbl->mask;
1465                         if(c) *flags |= ptbl->flag;
1466                         else *flags &= ~ptbl->flag;
1467                         return 1;
1468                 }
1469         }
1470         return 0;
1471 }
1472
1473 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1474 {
1475         char *buf;
1476         char mline = 0;
1477         int indent = 0;
1478
1479         if(title) BIO_puts(out, title);
1480         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1481                 mline = 1;
1482                 indent = 4;
1483         }
1484         if(lflags == XN_FLAG_COMPAT) {
1485                 buf = X509_NAME_oneline(nm, 0, 0);
1486                 BIO_puts(out, buf);
1487                 BIO_puts(out, "\n");
1488                 OPENSSL_free(buf);
1489         } else {
1490                 if(mline) BIO_puts(out, "\n");
1491                 X509_NAME_print_ex(out, nm, indent, lflags);
1492                 BIO_puts(out, "\n");
1493         }
1494 }
1495
1496 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1497 {
1498         X509_STORE *store;
1499         X509_LOOKUP *lookup;
1500         if(!(store = X509_STORE_new())) goto end;
1501         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1502         if (lookup == NULL) goto end;
1503         if (CAfile) {
1504                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1505                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1506                         goto end;
1507                 }
1508         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1509
1510         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1511         if (lookup == NULL) goto end;
1512         if (CApath) {
1513                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1514                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1515                         goto end;
1516                 }
1517         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1518
1519         ERR_clear_error();
1520         return store;
1521         end:
1522         X509_STORE_free(store);
1523         return NULL;
1524 }
1525
1526 #ifndef OPENSSL_NO_ENGINE
1527 /* Try to load an engine in a shareable library */
1528 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1529         {
1530         ENGINE *e = ENGINE_by_id("dynamic");
1531         if (e)
1532                 {
1533                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1534                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1535                         {
1536                         ENGINE_free(e);
1537                         e = NULL;
1538                         }
1539                 }
1540         return e;
1541         }
1542
1543 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1544         {
1545         ENGINE *e = NULL;
1546
1547         if (engine)
1548                 {
1549                 if(strcmp(engine, "auto") == 0)
1550                         {
1551                         BIO_printf(err,"enabling auto ENGINE support\n");
1552                         ENGINE_register_all_complete();
1553                         return NULL;
1554                         }
1555                 if((e = ENGINE_by_id(engine)) == NULL
1556                         && (e = try_load_engine(err, engine, debug)) == NULL)
1557                         {
1558                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1559                         ERR_print_errors(err);
1560                         return NULL;
1561                         }
1562                 if (debug)
1563                         {
1564                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1565                                 0, err, 0);
1566                         }
1567                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1568                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1569                         {
1570                         BIO_printf(err,"can't use that engine\n");
1571                         ERR_print_errors(err);
1572                         ENGINE_free(e);
1573                         return NULL;
1574                         }
1575
1576                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1577
1578                 /* Free our "structural" reference. */
1579                 ENGINE_free(e);
1580                 }
1581         return e;
1582         }
1583 #endif
1584
1585 int load_config(BIO *err, CONF *cnf)
1586         {
1587         static int load_config_called = 0;
1588         if (load_config_called)
1589                 return 1;
1590         load_config_called = 1;
1591         if (!cnf)
1592                 cnf = config;
1593         if (!cnf)
1594                 return 1;
1595
1596         OPENSSL_load_builtin_modules();
1597
1598         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1599                 {
1600                 BIO_printf(err, "Error configuring OpenSSL\n");
1601                 ERR_print_errors(err);
1602                 return 0;
1603                 }
1604         return 1;
1605         }
1606
1607 char *make_config_name()
1608         {
1609         const char *t=X509_get_default_cert_area();
1610         size_t len;
1611         char *p;
1612
1613         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1614         p=OPENSSL_malloc(len);
1615         BUF_strlcpy(p,t,len);
1616 #ifndef OPENSSL_SYS_VMS
1617         BUF_strlcat(p,"/",len);
1618 #endif
1619         BUF_strlcat(p,OPENSSL_CONF,len);
1620
1621         return p;
1622         }
1623
1624 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1625         {
1626         const char *n;
1627
1628         n=a[DB_serial];
1629         while (*n == '0') n++;
1630         return(lh_strhash(n));
1631         }
1632
1633 static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1634         {
1635         const char *aa,*bb;
1636
1637         for (aa=a[DB_serial]; *aa == '0'; aa++);
1638         for (bb=b[DB_serial]; *bb == '0'; bb++);
1639         return(strcmp(aa,bb));
1640         }
1641
1642 static int index_name_qual(char **a)
1643         { return(a[0][0] == 'V'); }
1644
1645 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1646         { return(lh_strhash(a[DB_name])); }
1647
1648 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1649         { return(strcmp(a[DB_name], b[DB_name])); }
1650
1651 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1652 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1653 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1654 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1655
1656 #undef BSIZE
1657 #define BSIZE 256
1658
1659 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1660         {
1661         BIO *in=NULL;
1662         BIGNUM *ret=NULL;
1663         MS_STATIC char buf[1024];
1664         ASN1_INTEGER *ai=NULL;
1665
1666         ai=ASN1_INTEGER_new();
1667         if (ai == NULL) goto err;
1668
1669         if ((in=BIO_new(BIO_s_file())) == NULL)
1670                 {
1671                 ERR_print_errors(bio_err);
1672                 goto err;
1673                 }
1674
1675         if (BIO_read_filename(in,serialfile) <= 0)
1676                 {
1677                 if (!create)
1678                         {
1679                         perror(serialfile);
1680                         goto err;
1681                         }
1682                 else
1683                         {
1684                         ret=BN_new();
1685                         if (ret == NULL || !rand_serial(ret, ai))
1686                                 BIO_printf(bio_err, "Out of memory\n");
1687                         }
1688                 }
1689         else
1690                 {
1691                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1692                         {
1693                         BIO_printf(bio_err,"unable to load number from %s\n",
1694                                 serialfile);
1695                         goto err;
1696                         }
1697                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1698                 if (ret == NULL)
1699                         {
1700                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1701                         goto err;
1702                         }
1703                 }
1704
1705         if (ret && retai)
1706                 {
1707                 *retai = ai;
1708                 ai = NULL;
1709                 }
1710  err:
1711         if (in != NULL) BIO_free(in);
1712         if (ai != NULL) ASN1_INTEGER_free(ai);
1713         return(ret);
1714         }
1715
1716 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1717         {
1718         char buf[1][BSIZE];
1719         BIO *out = NULL;
1720         int ret=0;
1721         ASN1_INTEGER *ai=NULL;
1722         int j;
1723
1724         if (suffix == NULL)
1725                 j = strlen(serialfile);
1726         else
1727                 j = strlen(serialfile) + strlen(suffix) + 1;
1728         if (j >= BSIZE)
1729                 {
1730                 BIO_printf(bio_err,"file name too long\n");
1731                 goto err;
1732                 }
1733
1734         if (suffix == NULL)
1735                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1736         else
1737                 {
1738 #ifndef OPENSSL_SYS_VMS
1739                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1740 #else
1741                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1742 #endif
1743                 }
1744 #ifdef RL_DEBUG
1745         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1746 #endif
1747         out=BIO_new(BIO_s_file());
1748         if (out == NULL)
1749                 {
1750                 ERR_print_errors(bio_err);
1751                 goto err;
1752                 }
1753         if (BIO_write_filename(out,buf[0]) <= 0)
1754                 {
1755                 perror(serialfile);
1756                 goto err;
1757                 }
1758
1759         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1760                 {
1761                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1762                 goto err;
1763                 }
1764         i2a_ASN1_INTEGER(out,ai);
1765         BIO_puts(out,"\n");
1766         ret=1;
1767         if (retai)
1768                 {
1769                 *retai = ai;
1770                 ai = NULL;
1771                 }
1772 err:
1773         if (out != NULL) BIO_free_all(out);
1774         if (ai != NULL) ASN1_INTEGER_free(ai);
1775         return(ret);
1776         }
1777
1778 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1779         {
1780         char buf[5][BSIZE];
1781         int i,j;
1782
1783         i = strlen(serialfile) + strlen(old_suffix);
1784         j = strlen(serialfile) + strlen(new_suffix);
1785         if (i > j) j = i;
1786         if (j + 1 >= BSIZE)
1787                 {
1788                 BIO_printf(bio_err,"file name too long\n");
1789                 goto err;
1790                 }
1791
1792 #ifndef OPENSSL_SYS_VMS
1793         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1794                 serialfile, new_suffix);
1795 #else
1796         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1797                 serialfile, new_suffix);
1798 #endif
1799 #ifndef OPENSSL_SYS_VMS
1800         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1801                 serialfile, old_suffix);
1802 #else
1803         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1804                 serialfile, old_suffix);
1805 #endif
1806 #ifdef RL_DEBUG
1807         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1808                 serialfile, buf[1]);
1809 #endif
1810         if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1811 #ifdef ENOTDIR
1812                         && errno != ENOTDIR
1813 #endif
1814            )            {
1815                         BIO_printf(bio_err,
1816                                 "unable to rename %s to %s\n",
1817                                 serialfile, buf[1]);
1818                         perror("reason");
1819                         goto err;
1820                         }
1821 #ifdef RL_DEBUG
1822         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1823                 buf[0],serialfile);
1824 #endif
1825         if (rename(buf[0],serialfile) < 0)
1826                 {
1827                 BIO_printf(bio_err,
1828                         "unable to rename %s to %s\n",
1829                         buf[0],serialfile);
1830                 perror("reason");
1831                 rename(buf[1],serialfile);
1832                 goto err;
1833                 }
1834         return 1;
1835  err:
1836         return 0;
1837         }
1838
1839 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1840         {
1841         BIGNUM *btmp;
1842         int ret = 0;
1843         if (b)
1844                 btmp = b;
1845         else
1846                 btmp = BN_new();
1847
1848         if (!btmp)
1849                 return 0;
1850
1851         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1852                 goto error;
1853         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1854                 goto error;
1855
1856         ret = 1;
1857
1858         error:
1859
1860         if (!b)
1861                 BN_free(btmp);
1862
1863         return ret;
1864         }
1865
1866 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1867         {
1868         CA_DB *retdb = NULL;
1869         TXT_DB *tmpdb = NULL;
1870         BIO *in = BIO_new(BIO_s_file());
1871         CONF *dbattr_conf = NULL;
1872         char buf[1][BSIZE];
1873         long errorline= -1;
1874
1875         if (in == NULL)
1876                 {
1877                 ERR_print_errors(bio_err);
1878                 goto err;
1879                 }
1880         if (BIO_read_filename(in,dbfile) <= 0)
1881                 {
1882                 perror(dbfile);
1883                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1884                 goto err;
1885                 }
1886         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1887                 goto err;
1888
1889 #ifndef OPENSSL_SYS_VMS
1890         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1891 #else
1892         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1893 #endif
1894         dbattr_conf = NCONF_new(NULL);
1895         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1896                 {
1897                 if (errorline > 0)
1898                         {
1899                         BIO_printf(bio_err,
1900                                 "error on line %ld of db attribute file '%s'\n"
1901                                 ,errorline,buf[0]);
1902                         goto err;
1903                         }
1904                 else
1905                         {
1906                         NCONF_free(dbattr_conf);
1907                         dbattr_conf = NULL;
1908                         }
1909                 }
1910
1911         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1912                 {
1913                 fprintf(stderr, "Out of memory\n");
1914                 goto err;
1915                 }
1916
1917         retdb->db = tmpdb;
1918         tmpdb = NULL;
1919         if (db_attr)
1920                 retdb->attributes = *db_attr;
1921         else
1922                 {
1923                 retdb->attributes.unique_subject = 1;
1924                 }
1925
1926         if (dbattr_conf)
1927                 {
1928                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1929                 if (p)
1930                         {
1931 #ifdef RL_DEBUG
1932                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1933 #endif
1934                         retdb->attributes.unique_subject = parse_yesno(p,1);
1935                         }
1936                 }
1937
1938  err:
1939         if (dbattr_conf) NCONF_free(dbattr_conf);
1940         if (tmpdb) TXT_DB_free(tmpdb);
1941         if (in) BIO_free_all(in);
1942         return retdb;
1943         }
1944
1945 int index_index(CA_DB *db)
1946         {
1947         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1948                                 LHASH_HASH_FN(index_serial),
1949                                 LHASH_COMP_FN(index_serial)))
1950                 {
1951                 BIO_printf(bio_err,
1952                   "error creating serial number index:(%ld,%ld,%ld)\n",
1953                                         db->db->error,db->db->arg1,db->db->arg2);
1954                         return 0;
1955                 }
1956
1957         if (db->attributes.unique_subject
1958                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1959                         LHASH_HASH_FN(index_name),
1960                         LHASH_COMP_FN(index_name)))
1961                 {
1962                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1963                         db->db->error,db->db->arg1,db->db->arg2);
1964                 return 0;
1965                 }
1966         return 1;
1967         }
1968
1969 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1970         {
1971         char buf[3][BSIZE];
1972         BIO *out = BIO_new(BIO_s_file());
1973         int j;
1974
1975         if (out == NULL)
1976                 {
1977                 ERR_print_errors(bio_err);
1978                 goto err;
1979                 }
1980
1981         j = strlen(dbfile) + strlen(suffix);
1982         if (j + 6 >= BSIZE)
1983                 {
1984                 BIO_printf(bio_err,"file name too long\n");
1985                 goto err;
1986                 }
1987
1988 #ifndef OPENSSL_SYS_VMS
1989         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1990 #else
1991         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1992 #endif
1993 #ifndef OPENSSL_SYS_VMS
1994         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1995 #else
1996         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1997 #endif
1998 #ifndef OPENSSL_SYS_VMS
1999         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
2000 #else
2001         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
2002 #endif
2003 #ifdef RL_DEBUG
2004         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
2005 #endif
2006         if (BIO_write_filename(out,buf[0]) <= 0)
2007                 {
2008                 perror(dbfile);
2009                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
2010                 goto err;
2011                 }
2012         j=TXT_DB_write(out,db->db);
2013         if (j <= 0) goto err;
2014
2015         BIO_free(out);
2016
2017         out = BIO_new(BIO_s_file());
2018 #ifdef RL_DEBUG
2019         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
2020 #endif
2021         if (BIO_write_filename(out,buf[1]) <= 0)
2022                 {
2023                 perror(buf[2]);
2024                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
2025                 goto err;
2026                 }
2027         BIO_printf(out,"unique_subject = %s\n",
2028                 db->attributes.unique_subject ? "yes" : "no");
2029         BIO_free(out);
2030
2031         return 1;
2032  err:
2033         return 0;
2034         }
2035
2036 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
2037         {
2038         char buf[5][BSIZE];
2039         int i,j;
2040
2041         i = strlen(dbfile) + strlen(old_suffix);
2042         j = strlen(dbfile) + strlen(new_suffix);
2043         if (i > j) j = i;
2044         if (j + 6 >= BSIZE)
2045                 {
2046                 BIO_printf(bio_err,"file name too long\n");
2047                 goto err;
2048                 }
2049
2050 #ifndef OPENSSL_SYS_VMS
2051         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
2052 #else
2053         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
2054 #endif
2055 #ifndef OPENSSL_SYS_VMS
2056         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
2057                 dbfile, new_suffix);
2058 #else
2059         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
2060                 dbfile, new_suffix);
2061 #endif
2062 #ifndef OPENSSL_SYS_VMS
2063         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
2064                 dbfile, new_suffix);
2065 #else
2066         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
2067                 dbfile, new_suffix);
2068 #endif
2069 #ifndef OPENSSL_SYS_VMS
2070         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
2071                 dbfile, old_suffix);
2072 #else
2073         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
2074                 dbfile, old_suffix);
2075 #endif
2076 #ifndef OPENSSL_SYS_VMS
2077         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
2078                 dbfile, old_suffix);
2079 #else
2080         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
2081                 dbfile, old_suffix);
2082 #endif
2083 #ifdef RL_DEBUG
2084         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2085                 dbfile, buf[1]);
2086 #endif
2087         if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
2088 #ifdef ENOTDIR
2089                 && errno != ENOTDIR
2090 #endif
2091            )            {
2092                         BIO_printf(bio_err,
2093                                 "unable to rename %s to %s\n",
2094                                 dbfile, buf[1]);
2095                         perror("reason");
2096                         goto err;
2097                         }
2098 #ifdef RL_DEBUG
2099         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2100                 buf[0],dbfile);
2101 #endif
2102         if (rename(buf[0],dbfile) < 0)
2103                 {
2104                 BIO_printf(bio_err,
2105                         "unable to rename %s to %s\n",
2106                         buf[0],dbfile);
2107                 perror("reason");
2108                 rename(buf[1],dbfile);
2109                 goto err;
2110                 }
2111 #ifdef RL_DEBUG
2112         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2113                 buf[4],buf[3]);
2114 #endif
2115         if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
2116 #ifdef ENOTDIR
2117                 && errno != ENOTDIR
2118 #endif
2119            )            {
2120                         BIO_printf(bio_err,
2121                                 "unable to rename %s to %s\n",
2122                                 buf[4], buf[3]);
2123                         perror("reason");
2124                         rename(dbfile,buf[0]);
2125                         rename(buf[1],dbfile);
2126                         goto err;
2127                         }
2128 #ifdef RL_DEBUG
2129         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2130                 buf[2],buf[4]);
2131 #endif
2132         if (rename(buf[2],buf[4]) < 0)
2133                 {
2134                 BIO_printf(bio_err,
2135                         "unable to rename %s to %s\n",
2136                         buf[2],buf[4]);
2137                 perror("reason");
2138                 rename(buf[3],buf[4]);
2139                 rename(dbfile,buf[0]);
2140                 rename(buf[1],dbfile);
2141                 goto err;
2142                 }
2143         return 1;
2144  err:
2145         return 0;
2146         }
2147
2148 void free_index(CA_DB *db)
2149         {
2150         if (db)
2151                 {
2152                 if (db->db) TXT_DB_free(db->db);
2153                 OPENSSL_free(db);
2154                 }
2155         }
2156
2157 int parse_yesno(const char *str, int def)
2158         {
2159         int ret = def;
2160         if (str)
2161                 {
2162                 switch (*str)
2163                         {
2164                 case 'f': /* false */
2165                 case 'F': /* FALSE */
2166                 case 'n': /* no */
2167                 case 'N': /* NO */
2168                 case '0': /* 0 */
2169                         ret = 0;
2170                         break;
2171                 case 't': /* true */
2172                 case 'T': /* TRUE */
2173                 case 'y': /* yes */
2174                 case 'Y': /* YES */
2175                 case '1': /* 1 */
2176                         ret = 1;
2177                         break;
2178                 default:
2179                         ret = def;
2180                         break;
2181                         }
2182                 }
2183         return ret;
2184         }
2185
2186 /*
2187  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2188  * where characters may be escaped by \
2189  */
2190 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2191         {
2192         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2193         char *buf = OPENSSL_malloc(buflen);
2194         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2195         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2196         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2197         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2198
2199         char *sp = subject, *bp = buf;
2200         int i, ne_num = 0;
2201
2202         X509_NAME *n = NULL;
2203         int nid;
2204
2205         if (!buf || !ne_types || !ne_values)
2206                 {
2207                 BIO_printf(bio_err, "malloc error\n");
2208                 goto error;
2209                 }
2210
2211         if (*subject != '/')
2212                 {
2213                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2214                 goto error;
2215                 }
2216         sp++; /* skip leading / */
2217
2218         /* no multivalued RDN by default */
2219         mval[ne_num] = 0;
2220
2221         while (*sp)
2222                 {
2223                 /* collect type */
2224                 ne_types[ne_num] = bp;
2225                 while (*sp)
2226                         {
2227                         if (*sp == '\\') /* is there anything to escape in the type...? */
2228                                 {
2229                                 if (*++sp)
2230                                         *bp++ = *sp++;
2231                                 else
2232                                         {
2233                                         BIO_printf(bio_err, "escape character at end of string\n");
2234                                         goto error;
2235                                         }
2236                                 }
2237                         else if (*sp == '=')
2238                                 {
2239                                 sp++;
2240                                 *bp++ = '\0';
2241                                 break;
2242                                 }
2243                         else
2244                                 *bp++ = *sp++;
2245                         }
2246                 if (!*sp)
2247                         {
2248                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2249                         goto error;
2250                         }
2251                 ne_values[ne_num] = bp;
2252                 while (*sp)
2253                         {
2254                         if (*sp == '\\')
2255                                 {
2256                                 if (*++sp)
2257                                         *bp++ = *sp++;
2258                                 else
2259                                         {
2260                                         BIO_printf(bio_err, "escape character at end of string\n");
2261                                         goto error;
2262                                         }
2263                                 }
2264                         else if (*sp == '/')
2265                                 {
2266                                 sp++;
2267                                 /* no multivalued RDN by default */
2268                                 mval[ne_num+1] = 0;
2269                                 break;
2270                                 }
2271                         else if (*sp == '+' && multirdn)
2272                                 {
2273                                 /* a not escaped + signals a mutlivalued RDN */
2274                                 sp++;
2275                                 mval[ne_num+1] = -1;
2276                                 break;
2277                                 }
2278                         else
2279                                 *bp++ = *sp++;
2280                         }
2281                 *bp++ = '\0';
2282                 ne_num++;
2283                 }
2284
2285         if (!(n = X509_NAME_new()))
2286                 goto error;
2287
2288         for (i = 0; i < ne_num; i++)
2289                 {
2290                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2291                         {
2292                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2293                         continue;
2294                         }
2295
2296                 if (!*ne_values[i])
2297                         {
2298                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2299                         continue;
2300                         }
2301
2302                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2303                         goto error;
2304                 }
2305
2306         OPENSSL_free(ne_values);
2307         OPENSSL_free(ne_types);
2308         OPENSSL_free(buf);
2309         return n;
2310
2311 error:
2312         X509_NAME_free(n);
2313         if (ne_values)
2314                 OPENSSL_free(ne_values);
2315         if (ne_types)
2316                 OPENSSL_free(ne_types);
2317         if (buf)
2318                 OPENSSL_free(buf);
2319         return NULL;
2320 }
2321
2322 int args_verify(char ***pargs, int *pargc,
2323                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2324         {
2325         ASN1_OBJECT *otmp = NULL;
2326         unsigned long flags = 0;
2327         int i;
2328         int purpose = 0, depth = -1;
2329         char **oldargs = *pargs;
2330         char *arg = **pargs, *argn = (*pargs)[1];
2331         const X509_VERIFY_PARAM *vpm = NULL;
2332         time_t at_time = 0;
2333         if (!strcmp(arg, "-policy"))
2334                 {
2335                 if (!argn)
2336                         *badarg = 1;
2337                 else
2338                         {
2339                         otmp = OBJ_txt2obj(argn, 0);
2340                         if (!otmp)
2341                                 {
2342                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2343                                                                         argn);
2344                                 *badarg = 1;
2345                                 }
2346                         }
2347                 (*pargs)++;
2348                 }
2349         else if (strcmp(arg,"-purpose") == 0)
2350                 {
2351                 X509_PURPOSE *xptmp;
2352                 if (!argn)
2353                         *badarg = 1;
2354                 else
2355                         {
2356                         i = X509_PURPOSE_get_by_sname(argn);
2357                         if(i < 0)
2358                                 {
2359                                 BIO_printf(err, "unrecognized purpose\n");
2360                                 *badarg = 1;
2361                                 }
2362                         else
2363                                 {
2364                                 xptmp = X509_PURPOSE_get0(i);
2365                                 purpose = X509_PURPOSE_get_id(xptmp);
2366                                 }
2367                         }
2368                 (*pargs)++;
2369                 }
2370         else if (strcmp(arg,"-verify_name") == 0)
2371                 {
2372                 if (!argn)
2373                         *badarg = 1;
2374                 else
2375                         {
2376                         vpm = X509_VERIFY_PARAM_lookup(argn);
2377                         if(!vpm)
2378                                 {
2379                                 BIO_printf(err, "unrecognized verify name\n");
2380                                 *badarg = 1;
2381                                 }
2382                         }
2383                 (*pargs)++;
2384                 }
2385         else if (strcmp(arg,"-verify_depth") == 0)
2386                 {
2387                 if (!argn)
2388                         *badarg = 1;
2389                 else
2390                         {
2391                         depth = atoi(argn);
2392                         if(depth < 0)
2393                                 {
2394                                 BIO_printf(err, "invalid depth\n");
2395                                 *badarg = 1;
2396                                 }
2397                         }
2398                 (*pargs)++;
2399                 }
2400         else if (strcmp(arg,"-attime") == 0)
2401                 {
2402                 if (!argn)
2403                         *badarg = 1;
2404                 else
2405                         {
2406                         long timestamp;
2407                         /* interpret the -attime argument as seconds since
2408                          * Epoch */
2409                         if (sscanf(argn, "%li", &timestamp) != 1)
2410                                 {
2411                                 BIO_printf(bio_err,
2412                                                 "Error parsing timestamp %s\n",
2413                                                 argn);
2414                                 *badarg = 1;
2415                                 }
2416                         /* on some platforms time_t may be a float */
2417                         at_time = (time_t) timestamp;
2418                         }
2419                 (*pargs)++;
2420                 }
2421         else if (!strcmp(arg, "-ignore_critical"))
2422                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2423         else if (!strcmp(arg, "-issuer_checks"))
2424                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2425         else if (!strcmp(arg, "-crl_check"))
2426                 flags |=  X509_V_FLAG_CRL_CHECK;
2427         else if (!strcmp(arg, "-crl_check_all"))
2428                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2429         else if (!strcmp(arg, "-policy_check"))
2430                 flags |= X509_V_FLAG_POLICY_CHECK;
2431         else if (!strcmp(arg, "-explicit_policy"))
2432                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2433         else if (!strcmp(arg, "-inhibit_any"))
2434                 flags |= X509_V_FLAG_INHIBIT_ANY;
2435         else if (!strcmp(arg, "-inhibit_map"))
2436                 flags |= X509_V_FLAG_INHIBIT_MAP;
2437         else if (!strcmp(arg, "-x509_strict"))
2438                 flags |= X509_V_FLAG_X509_STRICT;
2439         else if (!strcmp(arg, "-extended_crl"))
2440                 flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2441         else if (!strcmp(arg, "-use_deltas"))
2442                 flags |= X509_V_FLAG_USE_DELTAS;
2443         else if (!strcmp(arg, "-policy_print"))
2444                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2445         else if (!strcmp(arg, "-check_ss_sig"))
2446                 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2447         else if (!strcmp(arg, "-trusted_first"))
2448                 flags |= X509_V_FLAG_TRUSTED_FIRST;
2449         else if (!strcmp(arg, "-suiteB_128_only"))
2450                 flags |= X509_V_FLAG_SUITEB_128_LOS_ONLY;
2451         else if (!strcmp(arg, "-suiteB_128"))
2452                 flags |= X509_V_FLAG_SUITEB_128_LOS;
2453         else if (!strcmp(arg, "-suiteB_192"))
2454                 flags |= X509_V_FLAG_SUITEB_192_LOS;
2455         else
2456                 return 0;
2457
2458         if (*badarg)
2459                 {
2460                 if (*pm)
2461                         X509_VERIFY_PARAM_free(*pm);
2462                 *pm = NULL;
2463                 goto end;
2464                 }
2465
2466         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2467                 {
2468                 *badarg = 1;
2469                 goto end;
2470                 }
2471
2472         if (vpm)
2473                 X509_VERIFY_PARAM_set1(*pm, vpm);
2474
2475         if (otmp)
2476                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2477         if (flags)
2478                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2479
2480         if (purpose)
2481                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2482
2483         if (depth >= 0)
2484                 X509_VERIFY_PARAM_set_depth(*pm, depth);
2485
2486         if (at_time)
2487                 X509_VERIFY_PARAM_set_time(*pm, at_time);
2488
2489         end:
2490
2491         (*pargs)++;
2492
2493         if (pargc)
2494                 *pargc -= *pargs - oldargs;
2495
2496         return 1;
2497
2498         }
2499
2500 /* Read whole contents of a BIO into an allocated memory buffer and
2501  * return it.
2502  */
2503
2504 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2505         {
2506         BIO *mem;
2507         int len, ret;
2508         unsigned char tbuf[1024];
2509         mem = BIO_new(BIO_s_mem());
2510         if (!mem)
2511                 return -1;
2512         for(;;)
2513                 {
2514                 if ((maxlen != -1) && maxlen < 1024)
2515                         len = maxlen;
2516                 else
2517                         len = 1024;
2518                 len = BIO_read(in, tbuf, len);
2519                 if (len <= 0)
2520                         break;
2521                 if (BIO_write(mem, tbuf, len) != len)
2522                         {
2523                         BIO_free(mem);
2524                         return -1;
2525                         }
2526                 maxlen -= len;
2527
2528                 if (maxlen == 0)
2529                         break;
2530                 }
2531         ret = BIO_get_mem_data(mem, (char **)out);
2532         BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2533         BIO_free(mem);
2534         return ret;
2535         }
2536
2537 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2538         {
2539         int rv;
2540         char *stmp, *vtmp = NULL;
2541         stmp = BUF_strdup(value);
2542         if (!stmp)
2543                 return -1;
2544         vtmp = strchr(stmp, ':');
2545         if (vtmp)
2546                 {
2547                 *vtmp = 0;
2548                 vtmp++;
2549                 }
2550         rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2551         OPENSSL_free(stmp);
2552         return rv;
2553         }
2554
2555 static void nodes_print(BIO *out, const char *name,
2556         STACK_OF(X509_POLICY_NODE) *nodes)
2557         {
2558         X509_POLICY_NODE *node;
2559         int i;
2560         BIO_printf(out, "%s Policies:", name);
2561         if (nodes)
2562                 {
2563                 BIO_puts(out, "\n");
2564                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2565                         {
2566                         node = sk_X509_POLICY_NODE_value(nodes, i);
2567                         X509_POLICY_NODE_print(out, node, 2);
2568                         }
2569                 }
2570         else
2571                 BIO_puts(out, " <empty>\n");
2572         }
2573
2574 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2575         {
2576         X509_POLICY_TREE *tree;
2577         int explicit_policy;
2578         int free_out = 0;
2579         if (out == NULL)
2580                 {
2581                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2582                 free_out = 1;
2583                 }
2584         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2585         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2586
2587         BIO_printf(out, "Require explicit Policy: %s\n",
2588                                 explicit_policy ? "True" : "False");
2589
2590         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2591         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2592         if (free_out)
2593                 BIO_free(out);
2594         }
2595
2596 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2597
2598 static JPAKE_CTX *jpake_init(const char *us, const char *them,
2599                                                          const char *secret)
2600         {
2601         BIGNUM *p = NULL;
2602         BIGNUM *g = NULL;
2603         BIGNUM *q = NULL;
2604         BIGNUM *bnsecret = BN_new();
2605         JPAKE_CTX *ctx;
2606
2607         /* Use a safe prime for p (that we found earlier) */
2608         BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2609         g = BN_new();
2610         BN_set_word(g, 2);
2611         q = BN_new();
2612         BN_rshift1(q, p);
2613
2614         BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2615
2616         ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2617         BN_free(bnsecret);
2618         BN_free(q);
2619         BN_free(g);
2620         BN_free(p);
2621
2622         return ctx;
2623         }
2624
2625 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2626         {
2627         BN_print(conn, p->gx);
2628         BIO_puts(conn, "\n");
2629         BN_print(conn, p->zkpx.gr);
2630         BIO_puts(conn, "\n");
2631         BN_print(conn, p->zkpx.b);
2632         BIO_puts(conn, "\n");
2633         }
2634
2635 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2636         {
2637         JPAKE_STEP1 s1;
2638
2639         JPAKE_STEP1_init(&s1);
2640         JPAKE_STEP1_generate(&s1, ctx);
2641         jpake_send_part(bconn, &s1.p1);
2642         jpake_send_part(bconn, &s1.p2);
2643         (void)BIO_flush(bconn);
2644         JPAKE_STEP1_release(&s1);
2645         }
2646
2647 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2648         {
2649         JPAKE_STEP2 s2;
2650
2651         JPAKE_STEP2_init(&s2);
2652         JPAKE_STEP2_generate(&s2, ctx);
2653         jpake_send_part(bconn, &s2);
2654         (void)BIO_flush(bconn);
2655         JPAKE_STEP2_release(&s2);
2656         }
2657
2658 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2659         {
2660         JPAKE_STEP3A s3a;
2661
2662         JPAKE_STEP3A_init(&s3a);
2663         JPAKE_STEP3A_generate(&s3a, ctx);
2664         BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2665         (void)BIO_flush(bconn);
2666         JPAKE_STEP3A_release(&s3a);
2667         }
2668
2669 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2670         {
2671         JPAKE_STEP3B s3b;
2672
2673         JPAKE_STEP3B_init(&s3b);
2674         JPAKE_STEP3B_generate(&s3b, ctx);
2675         BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2676         (void)BIO_flush(bconn);
2677         JPAKE_STEP3B_release(&s3b);
2678         }
2679
2680 static void readbn(BIGNUM **bn, BIO *bconn)
2681         {
2682         char buf[10240];
2683         int l;
2684
2685         l = BIO_gets(bconn, buf, sizeof buf);
2686         assert(l > 0);
2687         assert(buf[l-1] == '\n');
2688         buf[l-1] = '\0';
2689         BN_hex2bn(bn, buf);
2690         }
2691
2692 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2693         {
2694         readbn(&p->gx, bconn);
2695         readbn(&p->zkpx.gr, bconn);
2696         readbn(&p->zkpx.b, bconn);
2697         }
2698
2699 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2700         {
2701         JPAKE_STEP1 s1;
2702
2703         JPAKE_STEP1_init(&s1);
2704         jpake_receive_part(&s1.p1, bconn);
2705         jpake_receive_part(&s1.p2, bconn);
2706         if(!JPAKE_STEP1_process(ctx, &s1))
2707                 {
2708                 ERR_print_errors(bio_err);
2709                 exit(1);
2710                 }
2711         JPAKE_STEP1_release(&s1);
2712         }
2713
2714 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2715         {
2716         JPAKE_STEP2 s2;
2717
2718         JPAKE_STEP2_init(&s2);
2719         jpake_receive_part(&s2, bconn);
2720         if(!JPAKE_STEP2_process(ctx, &s2))
2721                 {
2722                 ERR_print_errors(bio_err);
2723                 exit(1);
2724                 }
2725         JPAKE_STEP2_release(&s2);
2726         }
2727
2728 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2729         {
2730         JPAKE_STEP3A s3a;
2731         int l;
2732
2733         JPAKE_STEP3A_init(&s3a);
2734         l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2735         assert(l == sizeof s3a.hhk);
2736         if(!JPAKE_STEP3A_process(ctx, &s3a))
2737                 {
2738                 ERR_print_errors(bio_err);
2739                 exit(1);
2740                 }
2741         JPAKE_STEP3A_release(&s3a);
2742         }
2743
2744 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2745         {
2746         JPAKE_STEP3B s3b;
2747         int l;
2748
2749         JPAKE_STEP3B_init(&s3b);
2750         l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2751         assert(l == sizeof s3b.hk);
2752         if(!JPAKE_STEP3B_process(ctx, &s3b))
2753                 {
2754                 ERR_print_errors(bio_err);
2755                 exit(1);
2756                 }
2757         JPAKE_STEP3B_release(&s3b);
2758         }
2759
2760 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2761         {
2762         JPAKE_CTX *ctx;
2763         BIO *bconn;
2764
2765         BIO_puts(out, "Authenticating with JPAKE\n");
2766
2767         ctx = jpake_init("client", "server", secret);
2768
2769         bconn = BIO_new(BIO_f_buffer());
2770         BIO_push(bconn, conn);
2771
2772         jpake_send_step1(bconn, ctx);
2773         jpake_receive_step1(ctx, bconn);
2774         jpake_send_step2(bconn, ctx);
2775         jpake_receive_step2(ctx, bconn);
2776         jpake_send_step3a(bconn, ctx);
2777         jpake_receive_step3b(ctx, bconn);
2778
2779         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2780
2781         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2782
2783         BIO_pop(bconn);
2784         BIO_free(bconn);
2785
2786         JPAKE_CTX_free(ctx);
2787         }
2788
2789 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2790         {
2791         JPAKE_CTX *ctx;
2792         BIO *bconn;
2793
2794         BIO_puts(out, "Authenticating with JPAKE\n");
2795
2796         ctx = jpake_init("server", "client", secret);
2797
2798         bconn = BIO_new(BIO_f_buffer());
2799         BIO_push(bconn, conn);
2800
2801         jpake_receive_step1(ctx, bconn);
2802         jpake_send_step1(bconn, ctx);
2803         jpake_receive_step2(ctx, bconn);
2804         jpake_send_step2(bconn, ctx);
2805         jpake_receive_step3a(ctx, bconn);
2806         jpake_send_step3b(bconn, ctx);
2807
2808         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2809
2810         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2811
2812         BIO_pop(bconn);
2813         BIO_free(bconn);
2814
2815         JPAKE_CTX_free(ctx);
2816         }
2817
2818 #endif
2819
2820 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2821 /* next_protos_parse parses a comma separated list of strings into a string
2822  * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2823  *   outlen: (output) set to the length of the resulting buffer on success.
2824  *   err: (maybe NULL) on failure, an error message line is written to this BIO.
2825  *   in: a NUL termianted string like "abc,def,ghi"
2826  *
2827  *   returns: a malloced buffer or NULL on failure.
2828  */
2829 unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
2830         {
2831         size_t len;
2832         unsigned char *out;
2833         size_t i, start = 0;
2834
2835         len = strlen(in);
2836         if (len >= 65535)
2837                 return NULL;
2838
2839         out = OPENSSL_malloc(strlen(in) + 1);
2840         if (!out)
2841                 return NULL;
2842
2843         for (i = 0; i <= len; ++i)
2844                 {
2845                 if (i == len || in[i] == ',')
2846                         {
2847                         if (i - start > 255)
2848                                 {
2849                                 OPENSSL_free(out);
2850                                 return NULL;
2851                                 }
2852                         out[start] = i - start;
2853                         start = i + 1;
2854                         }
2855                 else
2856                         out[i+1] = in[i];
2857                 }
2858
2859         *outlen = len + 1;
2860         return out;
2861         }
2862 #endif  /* !OPENSSL_NO_TLSEXT && !OPENSSL_NO_NEXTPROTONEG */
2863
2864 void print_cert_checks(BIO *bio, X509 *x,
2865                                 const unsigned char *checkhost,
2866                                 const unsigned char *checkemail,
2867                                 const char *checkip)
2868         {
2869         if (x == NULL)
2870                 return;
2871         if (checkhost)
2872                 {
2873                 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2874                                 checkhost, X509_check_host(x, checkhost, 0, 0)
2875                                                 ? "" : " NOT");
2876                 }
2877
2878         if (checkemail)
2879                 {
2880                 BIO_printf(bio, "Email %s does%s match certificate\n",
2881                                 checkemail, X509_check_email(x, checkemail, 0,
2882                                                 0) ? "" : " NOT");
2883                 }
2884
2885         if (checkip)
2886                 {
2887                 BIO_printf(bio, "IP %s does%s match certificate\n",
2888                                 checkip, X509_check_ip_asc(x, checkip,
2889                                                 0) ? "" : " NOT");
2890                 }
2891         }
2892
2893 /*
2894  * Platform-specific sections
2895  */
2896 #if defined(_WIN32)
2897 # ifdef fileno
2898 #  undef fileno
2899 #  define fileno(a) (int)_fileno(a)
2900 # endif
2901
2902 # include <windows.h>
2903 # include <tchar.h>
2904
2905 static int WIN32_rename(const char *from, const char *to)
2906         {
2907         TCHAR  *tfrom=NULL,*tto;
2908         DWORD   err;
2909         int     ret=0;
2910
2911         if (sizeof(TCHAR) == 1)
2912                 {
2913                 tfrom = (TCHAR *)from;
2914                 tto   = (TCHAR *)to;
2915                 }
2916         else    /* UNICODE path */
2917                 {
2918                 size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
2919                 tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
2920                 if (tfrom==NULL) goto err;
2921                 tto=tfrom+flen;
2922 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2923                 if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
2924 #endif
2925                         for (i=0;i<flen;i++)    tfrom[i]=(TCHAR)from[i];
2926 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2927                 if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
2928 #endif
2929                         for (i=0;i<tlen;i++)    tto[i]  =(TCHAR)to[i];
2930                 }
2931
2932         if (MoveFile(tfrom,tto))        goto ok;
2933         err=GetLastError();
2934         if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
2935                 {
2936                 if (DeleteFile(tto) && MoveFile(tfrom,tto))
2937                         goto ok;
2938                 err=GetLastError();
2939                 }
2940         if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
2941                 errno = ENOENT;
2942         else if (err==ERROR_ACCESS_DENIED)
2943                 errno = EACCES;
2944         else
2945                 errno = EINVAL; /* we could map more codes... */
2946 err:
2947         ret=-1;
2948 ok:
2949         if (tfrom!=NULL && tfrom!=(TCHAR *)from)        free(tfrom);
2950         return ret;
2951         }
2952 #endif
2953
2954 /* app_tminterval section */
2955 #if defined(_WIN32)
2956 double app_tminterval(int stop,int usertime)
2957         {
2958         FILETIME                now;
2959         double                  ret=0;
2960         static ULARGE_INTEGER   tmstart;
2961         static int              warning=1;
2962 #ifdef _WIN32_WINNT
2963         static HANDLE           proc=NULL;
2964
2965         if (proc==NULL)
2966                 {
2967                 if (GetVersion() < 0x80000000)
2968                         proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
2969                                                 GetCurrentProcessId());
2970                 if (proc==NULL) proc = (HANDLE)-1;
2971                 }
2972
2973         if (usertime && proc!=(HANDLE)-1)
2974                 {
2975                 FILETIME junk;
2976                 GetProcessTimes(proc,&junk,&junk,&junk,&now);
2977                 }
2978         else
2979 #endif
2980                 {
2981                 SYSTEMTIME systime;
2982
2983                 if (usertime && warning)
2984                         {
2985                         BIO_printf(bio_err,"To get meaningful results, run "
2986                                            "this program on idle system.\n");
2987                         warning=0;
2988                         }
2989                 GetSystemTime(&systime);
2990                 SystemTimeToFileTime(&systime,&now);
2991                 }
2992
2993         if (stop==TM_START)
2994                 {
2995                 tmstart.u.LowPart  = now.dwLowDateTime;
2996                 tmstart.u.HighPart = now.dwHighDateTime;
2997                 }
2998         else    {
2999                 ULARGE_INTEGER tmstop;
3000
3001                 tmstop.u.LowPart   = now.dwLowDateTime;
3002                 tmstop.u.HighPart  = now.dwHighDateTime;
3003
3004                 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
3005                 }
3006
3007         return (ret);
3008         }
3009
3010 #elif defined(OPENSSL_SYS_NETWARE)
3011 #include <time.h>
3012
3013 double app_tminterval(int stop,int usertime)
3014         {
3015         double          ret=0;
3016         static clock_t  tmstart;
3017         static int      warning=1;
3018
3019         if (usertime && warning)
3020                 {
3021                 BIO_printf(bio_err,"To get meaningful results, run "
3022                                    "this program on idle system.\n");
3023                 warning=0;
3024                 }
3025
3026         if (stop==TM_START)     tmstart = clock();
3027         else                    ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
3028
3029         return (ret);
3030         }
3031
3032 #elif defined(OPENSSL_SYSTEM_VXWORKS)
3033 #include <time.h>
3034
3035 double app_tminterval(int stop,int usertime)
3036         {
3037         double ret=0;
3038 #ifdef CLOCK_REALTIME
3039         static struct timespec  tmstart;
3040         struct timespec         now;
3041 #else
3042         static unsigned long    tmstart;
3043         unsigned long           now;
3044 #endif
3045         static int warning=1;
3046
3047         if (usertime && warning)
3048                 {
3049                 BIO_printf(bio_err,"To get meaningful results, run "
3050                                    "this program on idle system.\n");
3051                 warning=0;
3052                 }
3053
3054 #ifdef CLOCK_REALTIME
3055         clock_gettime(CLOCK_REALTIME,&now);
3056         if (stop==TM_START)     tmstart = now;
3057         else    ret = ( (now.tv_sec+now.tv_nsec*1e-9)
3058                         - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
3059 #else
3060         now = tickGet();
3061         if (stop==TM_START)     tmstart = now;
3062         else                    ret = (now - tmstart)/(double)sysClkRateGet();
3063 #endif
3064         return (ret);
3065         }
3066
3067 #elif defined(OPENSSL_SYSTEM_VMS)
3068 #include <time.h>
3069 #include <times.h>
3070
3071 double app_tminterval(int stop,int usertime)
3072         {
3073         static clock_t  tmstart;
3074         double          ret = 0;
3075         clock_t         now;
3076 #ifdef __TMS
3077         struct tms      rus;
3078
3079         now = times(&rus);
3080         if (usertime)   now = rus.tms_utime;
3081 #else
3082         if (usertime)
3083                 now = clock(); /* sum of user and kernel times */
3084         else    {
3085                 struct timeval tv;
3086                 gettimeofday(&tv,NULL);
3087                 now = (clock_t)(
3088                         (unsigned long long)tv.tv_sec*CLK_TCK +
3089                         (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
3090                         );
3091                 }
3092 #endif
3093         if (stop==TM_START)     tmstart = now;
3094         else                    ret = (now - tmstart)/(double)(CLK_TCK);
3095
3096         return (ret);
3097         }
3098
3099 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
3100 #include <sys/times.h>
3101
3102 double app_tminterval(int stop,int usertime)
3103         {
3104         double          ret = 0;
3105         struct tms      rus;
3106         clock_t         now = times(&rus);
3107         static clock_t  tmstart;
3108
3109         if (usertime)           now = rus.tms_utime;
3110
3111         if (stop==TM_START)     tmstart = now;
3112         else
3113                 {
3114                 long int tck = sysconf(_SC_CLK_TCK);
3115                 ret = (now - tmstart)/(double)tck;
3116                 }
3117
3118         return (ret);
3119         }
3120
3121 #else
3122 #include <sys/time.h>
3123 #include <sys/resource.h>
3124
3125 double app_tminterval(int stop,int usertime)
3126         {
3127         double          ret = 0;
3128         struct rusage   rus;
3129         struct timeval  now;
3130         static struct timeval tmstart;
3131
3132         if (usertime)           getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
3133         else                    gettimeofday(&now,NULL);
3134
3135         if (stop==TM_START)     tmstart = now;
3136         else                    ret = ( (now.tv_sec+now.tv_usec*1e-6)
3137                                         - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
3138
3139         return ret;
3140         }
3141 #endif
3142
3143 /* app_isdir section */
3144 #ifdef _WIN32
3145 int app_isdir(const char *name)
3146         {
3147         HANDLE          hList;
3148         WIN32_FIND_DATA FileData;
3149 #if defined(UNICODE) || defined(_UNICODE)
3150         size_t i, len_0 = strlen(name)+1;
3151
3152         if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
3153                 return -1;
3154
3155 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3156         if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
3157 #endif
3158                 for (i=0;i<len_0;i++)
3159                         FileData.cFileName[i] = (WCHAR)name[i];
3160
3161         hList = FindFirstFile(FileData.cFileName,&FileData);
3162 #else
3163         hList = FindFirstFile(name,&FileData);
3164 #endif
3165         if (hList == INVALID_HANDLE_VALUE)      return -1;
3166         FindClose(hList);
3167         return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
3168         }
3169 #else
3170 #include <sys/stat.h>
3171 #ifndef S_ISDIR
3172 # if defined(_S_IFMT) && defined(_S_IFDIR)
3173 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
3174 # else
3175 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
3176 # endif
3177 #endif
3178
3179 int app_isdir(const char *name)
3180         {
3181 #if defined(S_ISDIR)
3182         struct stat st;
3183
3184         if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
3185         else                    return -1;
3186 #else
3187         return -1;
3188 #endif
3189         }
3190 #endif
3191
3192 /* raw_read|write section */
3193 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
3194 int raw_read_stdin(void *buf,int siz)
3195         {
3196         DWORD n;
3197         if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
3198                 return (n);
3199         else    return (-1);
3200         }
3201 #else
3202 int raw_read_stdin(void *buf,int siz)
3203         {       return read(fileno(stdin),buf,siz);     }
3204 #endif
3205
3206 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3207 int raw_write_stdout(const void *buf,int siz)
3208         {
3209         DWORD n;
3210         if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
3211                 return (n);
3212         else    return (-1);
3213         }
3214 #else
3215 int raw_write_stdout(const void *buf,int siz)
3216         {       return write(fileno(stdout),buf,siz);   }
3217 #endif