apps/apps.c

   1 /* apps/apps.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111
 112 #ifndef _POSIX_C_SOURCE
 113 #define _POSIX_C_SOURCE 2       /* On VMS, you need to define this to get
 114                                    the declaration of fileno().  The value
 115                                    2 is to make sure no function defined
 116                                    in POSIX-2 is left undefined. */
 117 #endif
 118 #include <stdio.h>
 119 #include <stdlib.h>
 120 #include <string.h>
 121 #if !defined(OPENSSL_SYSNAME_WIN32) && !defined(NETWARE_CLIB)
 122 #include <strings.h>
 123 #endif
 124 #include <sys/types.h>
 125 #include <ctype.h>
 126 #include <errno.h>
 127 #include <assert.h>
 128 #include <openssl/err.h>
 129 #include <openssl/x509.h>
 130 #include <openssl/x509v3.h>
 131 #include <openssl/pem.h>
 132 #include <openssl/pkcs12.h>
 133 #include <openssl/ui.h>
 134 #include <openssl/safestack.h>
 135 #ifndef OPENSSL_NO_ENGINE
 136 #include <openssl/engine.h>
 137 #endif
 138 #ifndef OPENSSL_NO_RSA
 139 #include <openssl/rsa.h>
 140 #endif
 141 #include <openssl/bn.h>
 142 #ifndef OPENSSL_NO_JPAKE
 143 #include <openssl/jpake.h>
 144 #endif
 145
 146 #define NON_MAIN
 147 #include "apps.h"
 148 #undef NON_MAIN
 149
 150 #ifdef _WIN32
 151 static int WIN32_rename(const char *from, const char *to);
 152 #define rename(from,to) WIN32_rename((from),(to))
 153 #endif
 154
 155 typedef struct {
 156         const char *name;
 157         unsigned long flag;
 158         unsigned long mask;
 159 } NAME_EX_TBL;
 160
 161 static UI_METHOD *ui_method = NULL;
 162
 163 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 164 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 165
 166 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 167 /* Looks like this stuff is worth moving into separate function */
 168 static EVP_PKEY *
 169 load_netscape_key(BIO *err, BIO *key, const char *file,
 170                 const char *key_descrip, int format);
 171 #endif
 172
 173 int app_init(long mesgwin);
 174 #ifdef undef /* never finished - probably never will be :-) */
 175 int args_from_file(char *file, int *argc, char **argv[])
 176         {
 177         FILE *fp;
 178         int num,i;
 179         unsigned int len;
 180         static char *buf=NULL;
 181         static char **arg=NULL;
 182         char *p;
 183
 184         fp=fopen(file,"r");
 185         if (fp == NULL)
 186                 return(0);
 187
 188         if (fseek(fp,0,SEEK_END)==0)
 189                 len=ftell(fp), rewind(fp);
 190         else    len=-1;
 191         if (len<=0)
 192                 {
 193                 fclose(fp);
 194                 return(0);
 195                 }
 196
 197         *argc=0;
 198         *argv=NULL;
 199
 200         if (buf != NULL) OPENSSL_free(buf);
 201         buf=(char *)OPENSSL_malloc(len+1);
 202         if (buf == NULL) return(0);
 203
 204         len=fread(buf,1,len,fp);
 205         if (len <= 1) return(0);
 206         buf[len]='\0';
 207
 208         i=0;
 209         for (p=buf; *p; p++)
 210                 if (*p == '\n') i++;
 211         if (arg != NULL) OPENSSL_free(arg);
 212         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 213
 214         *argv=arg;
 215         num=0;
 216         p=buf;
 217         for (;;)
 218                 {
 219                 if (!*p) break;
 220                 if (*p == '#') /* comment line */
 221                         {
 222                         while (*p && (*p != '\n')) p++;
 223                         continue;
 224                         }
 225                 /* else we have a line */
 226                 *(arg++)=p;
 227                 num++;
 228                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 229                         p++;
 230                 if (!*p) break;
 231                 if (*p == '\n')
 232                         {
 233                         *(p++)='\0';
 234                         continue;
 235                         }
 236                 /* else it is a tab or space */
 237                 p++;
 238                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 239                         p++;
 240                 if (!*p) break;
 241                 if (*p == '\n')
 242                         {
 243                         p++;
 244                         continue;
 245                         }
 246                 *(arg++)=p++;
 247                 num++;
 248                 while (*p && (*p != '\n')) p++;
 249                 if (!*p) break;
 250                 /* else *p == '\n' */
 251                 *(p++)='\0';
 252                 }
 253         *argc=num;
 254         return(1);
 255         }
 256 #endif
 257
 258 int str2fmt(char *s)
 259         {
 260         if      ((*s == 'D') || (*s == 'd'))
 261                 return(FORMAT_ASN1);
 262         else if ((*s == 'T') || (*s == 't'))
 263                 return(FORMAT_TEXT);
 264         else if ((*s == 'N') || (*s == 'n'))
 265                 return(FORMAT_NETSCAPE);
 266         else if ((*s == 'S') || (*s == 's'))
 267                 return(FORMAT_SMIME);
 268         else if ((*s == 'M') || (*s == 'm'))
 269                 return(FORMAT_MSBLOB);
 270         else if ((*s == '1')
 271                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 272                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 273                 return(FORMAT_PKCS12);
 274         else if ((*s == 'E') || (*s == 'e'))
 275                 return(FORMAT_ENGINE);
 276         else if ((*s == 'P') || (*s == 'p'))
 277                 {
 278                 if (s[1] == 'V' || s[1] == 'v')
 279                         return FORMAT_PVK;
 280                 else
 281                         return(FORMAT_PEM);
 282                 }
 283         else
 284                 return(FORMAT_UNDEF);
 285         }
 286
 287 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 288 void program_name(char *in, char *out, int size)
 289         {
 290         int i,n;
 291         char *p=NULL;
 292
 293         n=strlen(in);
 294         /* find the last '/', '\' or ':' */
 295         for (i=n-1; i>0; i--)
 296                 {
 297                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 298                         {
 299                         p= &(in[i+1]);
 300                         break;
 301                         }
 302                 }
 303         if (p == NULL)
 304                 p=in;
 305         n=strlen(p);
 306
 307 #if defined(OPENSSL_SYS_NETWARE)
 308    /* strip off trailing .nlm if present. */
 309    if ((n > 4) && (p[n-4] == '.') &&
 310       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 311       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 312       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 313       n-=4;
 314 #else
 315         /* strip off trailing .exe if present. */
 316         if ((n > 4) && (p[n-4] == '.') &&
 317                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 318                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 319                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 320                 n-=4;
 321 #endif
 322
 323         if (n > size-1)
 324                 n=size-1;
 325
 326         for (i=0; i<n; i++)
 327                 {
 328                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 329                         out[i]=p[i]-'A'+'a';
 330                 else
 331                         out[i]=p[i];
 332                 }
 333         out[n]='\0';
 334         }
 335 #else
 336 #ifdef OPENSSL_SYS_VMS
 337 void program_name(char *in, char *out, int size)
 338         {
 339         char *p=in, *q;
 340         char *chars=":]>";
 341
 342         while(*chars != '\0')
 343                 {
 344                 q=strrchr(p,*chars);
 345                 if (q > p)
 346                         p = q + 1;
 347                 chars++;
 348                 }
 349
 350         q=strrchr(p,'.');
 351         if (q == NULL)
 352                 q = p + strlen(p);
 353         strncpy(out,p,size-1);
 354         if (q-p >= size)
 355                 {
 356                 out[size-1]='\0';
 357                 }
 358         else
 359                 {
 360                 out[q-p]='\0';
 361                 }
 362         }
 363 #else
 364 void program_name(char *in, char *out, int size)
 365         {
 366         char *p;
 367
 368         p=strrchr(in,'/');
 369         if (p != NULL)
 370                 p++;
 371         else
 372                 p=in;
 373         BUF_strlcpy(out,p,size);
 374         }
 375 #endif
 376 #endif
 377
 378 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 379         {
 380         int num,i;
 381         char *p;
 382
 383         *argc=0;
 384         *argv=NULL;
 385
 386         i=0;
 387         if (arg->count == 0)
 388                 {
 389                 arg->count=20;
 390                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 391                 }
 392         for (i=0; i<arg->count; i++)
 393                 arg->data[i]=NULL;
 394
 395         num=0;
 396         p=buf;
 397         for (;;)
 398                 {
 399                 /* first scan over white space */
 400                 if (!*p) break;
 401                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 402                         p++;
 403                 if (!*p) break;
 404
 405                 /* The start of something good :-) */
 406                 if (num >= arg->count)
 407                         {
 408                         char **tmp_p;
 409                         int tlen = arg->count + 20;
 410                         tmp_p = (char **)OPENSSL_realloc(arg->data,
 411                                 sizeof(char *)*tlen);
 412                         if (tmp_p == NULL)
 413                                 return 0;
 414                         arg->data  = tmp_p;
 415                         arg->count = tlen;
 416                         /* initialize newly allocated data */
 417                         for (i = num; i < arg->count; i++)
 418                                 arg->data[i] = NULL;
 419                         }
 420                 arg->data[num++]=p;
 421
 422                 /* now look for the end of this */
 423                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 424                         {
 425                         i= *(p++);
 426                         arg->data[num-1]++; /* jump over quote */
 427                         while (*p && (*p != i))
 428                                 p++;
 429                         *p='\0';
 430                         }
 431                 else
 432                         {
 433                         while (*p && ((*p != ' ') &&
 434                                 (*p != '\t') && (*p != '\n')))
 435                                 p++;
 436
 437                         if (*p == '\0')
 438                                 p--;
 439                         else
 440                                 *p='\0';
 441                         }
 442                 p++;
 443                 }
 444         *argc=num;
 445         *argv=arg->data;
 446         return(1);
 447         }
 448
 449 #ifndef APP_INIT
 450 int app_init(long mesgwin)
 451         {
 452         return(1);
 453         }
 454 #endif
 455
 456
 457 int dump_cert_text (BIO *out, X509 *x)
 458 {
 459         char *p;
 460
 461         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 462         BIO_puts(out,"subject=");
 463         BIO_puts(out,p);
 464         OPENSSL_free(p);
 465
 466         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 467         BIO_puts(out,"\nissuer=");
 468         BIO_puts(out,p);
 469         BIO_puts(out,"\n");
 470         OPENSSL_free(p);
 471
 472         return 0;
 473 }
 474
 475 static int ui_open(UI *ui)
 476         {
 477         return UI_method_get_opener(UI_OpenSSL())(ui);
 478         }
 479 static int ui_read(UI *ui, UI_STRING *uis)
 480         {
 481         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 482                 && UI_get0_user_data(ui))
 483                 {
 484                 switch(UI_get_string_type(uis))
 485                         {
 486                 case UIT_PROMPT:
 487                 case UIT_VERIFY:
 488                         {
 489                         const char *password =
 490                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 491                         if (password && password[0] != '\0')
 492                                 {
 493                                 UI_set_result(ui, uis, password);
 494                                 return 1;
 495                                 }
 496                         }
 497                 default:
 498                         break;
 499                         }
 500                 }
 501         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 502         }
 503 static int ui_write(UI *ui, UI_STRING *uis)
 504         {
 505         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 506                 && UI_get0_user_data(ui))
 507                 {
 508                 switch(UI_get_string_type(uis))
 509                         {
 510                 case UIT_PROMPT:
 511                 case UIT_VERIFY:
 512                         {
 513                         const char *password =
 514                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 515                         if (password && password[0] != '\0')
 516                                 return 1;
 517                         }
 518                 default:
 519                         break;
 520                         }
 521                 }
 522         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 523         }
 524 static int ui_close(UI *ui)
 525         {
 526         return UI_method_get_closer(UI_OpenSSL())(ui);
 527         }
 528 int setup_ui_method(void)
 529         {
 530         ui_method = UI_create_method("OpenSSL application user interface");
 531         UI_method_set_opener(ui_method, ui_open);
 532         UI_method_set_reader(ui_method, ui_read);
 533         UI_method_set_writer(ui_method, ui_write);
 534         UI_method_set_closer(ui_method, ui_close);
 535         return 0;
 536         }
 537 void destroy_ui_method(void)
 538         {
 539         if(ui_method)
 540                 {
 541                 UI_destroy_method(ui_method);
 542                 ui_method = NULL;
 543                 }
 544         }
 545 int password_callback(char *buf, int bufsiz, int verify,
 546         PW_CB_DATA *cb_tmp)
 547         {
 548         UI *ui = NULL;
 549         int res = 0;
 550         const char *prompt_info = NULL;
 551         const char *password = NULL;
 552         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 553
 554         if (cb_data)
 555                 {
 556                 if (cb_data->password)
 557                         password = cb_data->password;
 558                 if (cb_data->prompt_info)
 559                         prompt_info = cb_data->prompt_info;
 560                 }
 561
 562         if (password)
 563                 {
 564                 res = strlen(password);
 565                 if (res > bufsiz)
 566                         res = bufsiz;
 567                 memcpy(buf, password, res);
 568                 return res;
 569                 }
 570
 571         ui = UI_new_method(ui_method);
 572         if (ui)
 573                 {
 574                 int ok = 0;
 575                 char *buff = NULL;
 576                 int ui_flags = 0;
 577                 char *prompt = NULL;
 578
 579                 prompt = UI_construct_prompt(ui, "pass phrase",
 580                         prompt_info);
 581
 582                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 583                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 584
 585                 if (ok >= 0)
 586                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 587                                 PW_MIN_LENGTH,BUFSIZ-1);
 588                 if (ok >= 0 && verify)
 589                         {
 590                         buff = (char *)OPENSSL_malloc(bufsiz);
 591                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 592                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 593                         }
 594                 if (ok >= 0)
 595                         do
 596                                 {
 597                                 ok = UI_process(ui);
 598                                 }
 599                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 600
 601                 if (buff)
 602                         {
 603                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 604                         OPENSSL_free(buff);
 605                         }
 606
 607                 if (ok >= 0)
 608                         res = strlen(buf);
 609                 if (ok == -1)
 610                         {
 611                         BIO_printf(bio_err, "User interface error\n");
 612                         ERR_print_errors(bio_err);
 613                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 614                         res = 0;
 615                         }
 616                 if (ok == -2)
 617                         {
 618                         BIO_printf(bio_err,"aborted!\n");
 619                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 620                         res = 0;
 621                         }
 622                 UI_free(ui);
 623                 OPENSSL_free(prompt);
 624                 }
 625         return res;
 626         }
 627
 628 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 629
 630 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 631 {
 632         int same;
 633         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 634         else same = 1;
 635         if(arg1) {
 636                 *pass1 = app_get_pass(err, arg1, same);
 637                 if(!*pass1) return 0;
 638         } else if(pass1) *pass1 = NULL;
 639         if(arg2) {
 640                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 641                 if(!*pass2) return 0;
 642         } else if(pass2) *pass2 = NULL;
 643         return 1;
 644 }
 645
 646 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 647 {
 648         char *tmp, tpass[APP_PASS_LEN];
 649         static BIO *pwdbio = NULL;
 650         int i;
 651         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 652         if(!strncmp(arg, "env:", 4)) {
 653                 tmp = getenv(arg + 4);
 654                 if(!tmp) {
 655                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 656                         return NULL;
 657                 }
 658                 return BUF_strdup(tmp);
 659         }
 660         if(!keepbio || !pwdbio) {
 661                 if(!strncmp(arg, "file:", 5)) {
 662                         pwdbio = BIO_new_file(arg + 5, "r");
 663                         if(!pwdbio) {
 664                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 665                                 return NULL;
 666                         }
 667 #if !defined(_WIN32)
 668                 /*
 669                  * Under _WIN32, which covers even Win64 and CE, file
 670                  * descriptors referenced by BIO_s_fd are not inherited
 671                  * by child process and therefore below is not an option.
 672                  * It could have been an option if bss_fd.c was operating
 673                  * on real Windows descriptors, such as those obtained
 674                  * with CreateFile.
 675                  */
 676                 } else if(!strncmp(arg, "fd:", 3)) {
 677                         BIO *btmp;
 678                         i = atoi(arg + 3);
 679                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 680                         if((i < 0) || !pwdbio) {
 681                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 682                                 return NULL;
 683                         }
 684                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 685                         btmp = BIO_new(BIO_f_buffer());
 686                         pwdbio = BIO_push(btmp, pwdbio);
 687 #endif
 688                 } else if(!strcmp(arg, "stdin")) {
 689                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 690                         if(!pwdbio) {
 691                                 BIO_printf(err, "Can't open BIO for stdin\n");
 692                                 return NULL;
 693                         }
 694                 } else {
 695                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 696                         return NULL;
 697                 }
 698         }
 699         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 700         if(keepbio != 1) {
 701                 BIO_free_all(pwdbio);
 702                 pwdbio = NULL;
 703         }
 704         if(i <= 0) {
 705                 BIO_printf(err, "Error reading password from BIO\n");
 706                 return NULL;
 707         }
 708         tmp = strchr(tpass, '\n');
 709         if(tmp) *tmp = 0;
 710         return BUF_strdup(tpass);
 711 }
 712
 713 int add_oid_section(BIO *err, CONF *conf)
 714 {
 715         char *p;
 716         STACK_OF(CONF_VALUE) *sktmp;
 717         CONF_VALUE *cnf;
 718         int i;
 719         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 720                 {
 721                 ERR_clear_error();
 722                 return 1;
 723                 }
 724         if(!(sktmp = NCONF_get_section(conf, p))) {
 725                 BIO_printf(err, "problem loading oid section %s\n", p);
 726                 return 0;
 727         }
 728         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 729                 cnf = sk_CONF_VALUE_value(sktmp, i);
 730                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 731                         BIO_printf(err, "problem creating object %s=%s\n",
 732                                                          cnf->name, cnf->value);
 733                         return 0;
 734                 }
 735         }
 736         return 1;
 737 }
 738
 739 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 740                 pem_password_cb *pem_cb,  void *cb_data,
 741                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 742         {
 743         const char *pass;
 744         char tpass[PEM_BUFSIZE];
 745         int len, ret = 0;
 746         PKCS12 *p12;
 747         p12 = d2i_PKCS12_bio(in, NULL);
 748         if (p12 == NULL)
 749                 {
 750                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 751                 goto die;
 752                 }
 753         /* See if an empty password will do */
 754         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 755                 pass = "";
 756         else
 757                 {
 758                 if (!pem_cb)
 759                         pem_cb = (pem_password_cb *)password_callback;
 760                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 761                 if (len < 0)
 762                         {
 763                         BIO_printf(err, "Passpharse callback error for %s\n",
 764                                         desc);
 765                         goto die;
 766                         }
 767                 if (len < PEM_BUFSIZE)
 768                         tpass[len] = 0;
 769                 if (!PKCS12_verify_mac(p12, tpass, len))
 770                         {
 771                         BIO_printf(err,
 772         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 773                         goto die;
 774                         }
 775                 pass = tpass;
 776                 }
 777         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 778         die:
 779         if (p12)
 780                 PKCS12_free(p12);
 781         return ret;
 782         }
 783
 784 X509 *load_cert(BIO *err, const char *file, int format,
 785         const char *pass, ENGINE *e, const char *cert_descrip)
 786         {
 787         X509 *x=NULL;
 788         BIO *cert;
 789
 790         if ((cert=BIO_new(BIO_s_file())) == NULL)
 791                 {
 792                 ERR_print_errors(err);
 793                 goto end;
 794                 }
 795
 796         if (file == NULL)
 797                 {
 798 #ifdef _IONBF
 799                 setvbuf(stdin, NULL, _IONBF, 0);
 800 #endif
 801                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 802                 }
 803         else
 804                 {
 805                 if (BIO_read_filename(cert,file) <= 0)
 806                         {
 807                         BIO_printf(err, "Error opening %s %s\n",
 808                                 cert_descrip, file);
 809                         ERR_print_errors(err);
 810                         goto end;
 811                         }
 812                 }
 813
 814         if      (format == FORMAT_ASN1)
 815                 x=d2i_X509_bio(cert,NULL);
 816         else if (format == FORMAT_NETSCAPE)
 817                 {
 818                 NETSCAPE_X509 *nx;
 819                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
 820                 if (nx == NULL)
 821                                 goto end;
 822
 823                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
 824                         nx->header->length) != 0))
 825                         {
 826                         NETSCAPE_X509_free(nx);
 827                         BIO_printf(err,"Error reading header on certificate\n");
 828                         goto end;
 829                         }
 830                 x=nx->cert;
 831                 nx->cert = NULL;
 832                 NETSCAPE_X509_free(nx);
 833                 }
 834         else if (format == FORMAT_PEM)
 835                 x=PEM_read_bio_X509_AUX(cert,NULL,
 836                         (pem_password_cb *)password_callback, NULL);
 837         else if (format == FORMAT_PKCS12)
 838                 {
 839                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 840                                         NULL, &x, NULL))
 841                         goto end;
 842                 }
 843         else    {
 844                 BIO_printf(err,"bad input format specified for %s\n",
 845                         cert_descrip);
 846                 goto end;
 847                 }
 848 end:
 849         if (x == NULL)
 850                 {
 851                 BIO_printf(err,"unable to load certificate\n");
 852                 ERR_print_errors(err);
 853                 }
 854         if (cert != NULL) BIO_free(cert);
 855         return(x);
 856         }
 857
 858 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 859         const char *pass, ENGINE *e, const char *key_descrip)
 860         {
 861         BIO *key=NULL;
 862         EVP_PKEY *pkey=NULL;
 863         PW_CB_DATA cb_data;
 864
 865         cb_data.password = pass;
 866         cb_data.prompt_info = file;
 867
 868         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 869                 {
 870                 BIO_printf(err,"no keyfile specified\n");
 871                 goto end;
 872                 }
 873 #ifndef OPENSSL_NO_ENGINE
 874         if (format == FORMAT_ENGINE)
 875                 {
 876                 if (!e)
 877                         BIO_printf(err,"no engine specified\n");
 878                 else
 879                         {
 880                         pkey = ENGINE_load_private_key(e, file,
 881                                 ui_method, &cb_data);
 882                         if (!pkey)
 883                                 {
 884                                 BIO_printf(err,"cannot load %s from engine\n",key_descrip);
 885                                 ERR_print_errors(err);
 886                                 }
 887                         }
 888                 goto end;
 889                 }
 890 #endif
 891         key=BIO_new(BIO_s_file());
 892         if (key == NULL)
 893                 {
 894                 ERR_print_errors(err);
 895                 goto end;
 896                 }
 897         if (file == NULL && maybe_stdin)
 898                 {
 899 #ifdef _IONBF
 900                 setvbuf(stdin, NULL, _IONBF, 0);
 901 #endif
 902                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 903                 }
 904         else
 905                 if (BIO_read_filename(key,file) <= 0)
 906                         {
 907                         BIO_printf(err, "Error opening %s %s\n",
 908                                 key_descrip, file);
 909                         ERR_print_errors(err);
 910                         goto end;
 911                         }
 912         if (format == FORMAT_ASN1)
 913                 {
 914                 pkey=d2i_PrivateKey_bio(key, NULL);
 915                 }
 916         else if (format == FORMAT_PEM)
 917                 {
 918                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 919                         (pem_password_cb *)password_callback, &cb_data);
 920                 }
 921 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 922         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 923                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 924 #endif
 925         else if (format == FORMAT_PKCS12)
 926                 {
 927                 if (!load_pkcs12(err, key, key_descrip,
 928                                 (pem_password_cb *)password_callback, &cb_data,
 929                                 &pkey, NULL, NULL))
 930                         goto end;
 931                 }
 932 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
 933         else if (format == FORMAT_MSBLOB)
 934                 pkey = b2i_PrivateKey_bio(key);
 935         else if (format == FORMAT_PVK)
 936                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
 937                                                                 &cb_data);
 938 #endif
 939         else
 940                 {
 941                 BIO_printf(err,"bad input format specified for key file\n");
 942                 goto end;
 943                 }
 944  end:
 945         if (key != NULL) BIO_free(key);
 946         if (pkey == NULL)
 947                 {
 948                 BIO_printf(err,"unable to load %s\n", key_descrip);
 949                 ERR_print_errors(err);
 950                 }
 951         return(pkey);
 952         }
 953
 954 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 955         const char *pass, ENGINE *e, const char *key_descrip)
 956         {
 957         BIO *key=NULL;
 958         EVP_PKEY *pkey=NULL;
 959         PW_CB_DATA cb_data;
 960
 961         cb_data.password = pass;
 962         cb_data.prompt_info = file;
 963
 964         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 965                 {
 966                 BIO_printf(err,"no keyfile specified\n");
 967                 goto end;
 968                 }
 969 #ifndef OPENSSL_NO_ENGINE
 970         if (format == FORMAT_ENGINE)
 971                 {
 972                 if (!e)
 973                         BIO_printf(bio_err,"no engine specified\n");
 974                 else
 975                         pkey = ENGINE_load_public_key(e, file,
 976                                 ui_method, &cb_data);
 977                 goto end;
 978                 }
 979 #endif
 980         key=BIO_new(BIO_s_file());
 981         if (key == NULL)
 982                 {
 983                 ERR_print_errors(err);
 984                 goto end;
 985                 }
 986         if (file == NULL && maybe_stdin)
 987                 {
 988 #ifdef _IONBF
 989                 setvbuf(stdin, NULL, _IONBF, 0);
 990 #endif
 991                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 992                 }
 993         else
 994                 if (BIO_read_filename(key,file) <= 0)
 995                         {
 996                         BIO_printf(err, "Error opening %s %s\n",
 997                                 key_descrip, file);
 998                         ERR_print_errors(err);
 999                         goto end;
1000                 }
1001         if (format == FORMAT_ASN1)
1002                 {
1003                 pkey=d2i_PUBKEY_bio(key, NULL);
1004                 }
1005 #ifndef OPENSSL_NO_RSA
1006         else if (format == FORMAT_ASN1RSA)
1007                 {
1008                 RSA *rsa;
1009                 rsa = d2i_RSAPublicKey_bio(key, NULL);
1010                 if (rsa)
1011                         {
1012                         pkey = EVP_PKEY_new();
1013                         if (pkey)
1014                                 EVP_PKEY_set1_RSA(pkey, rsa);
1015                         RSA_free(rsa);
1016                         }
1017                 else
1018                         pkey = NULL;
1019                 }
1020         else if (format == FORMAT_PEMRSA)
1021                 {
1022                 RSA *rsa;
1023                 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1024                         (pem_password_cb *)password_callback, &cb_data);
1025                 if (rsa)
1026                         {
1027                         pkey = EVP_PKEY_new();
1028                         if (pkey)
1029                                 EVP_PKEY_set1_RSA(pkey, rsa);
1030                         RSA_free(rsa);
1031                         }
1032                 else
1033                         pkey = NULL;
1034                 }
1035 #endif
1036         else if (format == FORMAT_PEM)
1037                 {
1038                 pkey=PEM_read_bio_PUBKEY(key,NULL,
1039                         (pem_password_cb *)password_callback, &cb_data);
1040                 }
1041 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1042         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1043                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1044 #endif
1045 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1046         else if (format == FORMAT_MSBLOB)
1047                 pkey = b2i_PublicKey_bio(key);
1048 #endif
1049         else
1050                 {
1051                 BIO_printf(err,"bad input format specified for key file\n");
1052                 goto end;
1053                 }
1054  end:
1055         if (key != NULL) BIO_free(key);
1056         if (pkey == NULL)
1057                 BIO_printf(err,"unable to load %s\n", key_descrip);
1058         return(pkey);
1059         }
1060
1061 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1062 static EVP_PKEY *
1063 load_netscape_key(BIO *err, BIO *key, const char *file,
1064                 const char *key_descrip, int format)
1065         {
1066         EVP_PKEY *pkey;
1067         BUF_MEM *buf;
1068         RSA     *rsa;
1069         const unsigned char *p;
1070         int size, i;
1071
1072         buf=BUF_MEM_new();
1073         pkey = EVP_PKEY_new();
1074         size = 0;
1075         if (buf == NULL || pkey == NULL)
1076                 goto error;
1077         for (;;)
1078                 {
1079                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1080                         goto error;
1081                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1082                 size += i;
1083                 if (i == 0)
1084                         break;
1085                 if (i < 0)
1086                         {
1087                                 BIO_printf(err, "Error reading %s %s",
1088                                         key_descrip, file);
1089                                 goto error;
1090                         }
1091                 }
1092         p=(unsigned char *)buf->data;
1093         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1094                 (format == FORMAT_IISSGC ? 1 : 0));
1095         if (rsa == NULL)
1096                 goto error;
1097         BUF_MEM_free(buf);
1098         EVP_PKEY_set1_RSA(pkey, rsa);
1099         return pkey;
1100 error:
1101         BUF_MEM_free(buf);
1102         EVP_PKEY_free(pkey);
1103         return NULL;
1104         }
1105 #endif /* ndef OPENSSL_NO_RC4 */
1106
1107 static int load_certs_crls(BIO *err, const char *file, int format,
1108         const char *pass, ENGINE *e, const char *desc,
1109         STACK_OF(X509) **pcerts, STACK_OF(X509_CRL) **pcrls)
1110         {
1111         int i;
1112         BIO *bio;
1113         STACK_OF(X509_INFO) *xis = NULL;
1114         X509_INFO *xi;
1115         PW_CB_DATA cb_data;
1116         int rv = 0;
1117
1118         cb_data.password = pass;
1119         cb_data.prompt_info = file;
1120
1121         if (format != FORMAT_PEM)
1122                 {
1123                 BIO_printf(err,"bad input format specified for %s\n", desc);
1124                 return 0;
1125                 }
1126
1127         if (file == NULL)
1128                 bio = BIO_new_fp(stdin,BIO_NOCLOSE);
1129         else
1130                 bio = BIO_new_file(file, "r");
1131
1132         if (bio == NULL)
1133                 {
1134                 BIO_printf(err, "Error opening %s %s\n",
1135                                 desc, file ? file : "stdin");
1136                 ERR_print_errors(err);
1137                 return 0;
1138                 }
1139
1140         xis = PEM_X509_INFO_read_bio(bio, NULL,
1141                                 (pem_password_cb *)password_callback, &cb_data);
1142
1143         BIO_free(bio);
1144
1145         if (pcerts)
1146                 {
1147                 *pcerts = sk_X509_new_null();
1148                 if (!*pcerts)
1149                         goto end;
1150                 }
1151
1152         if (pcrls)
1153                 {
1154                 *pcrls = sk_X509_CRL_new_null();
1155                 if (!*pcrls)
1156                         goto end;
1157                 }
1158
1159         for(i = 0; i < sk_X509_INFO_num(xis); i++)
1160                 {
1161                 xi = sk_X509_INFO_value (xis, i);
1162                 if (xi->x509 && pcerts)
1163                         {
1164                         if (!sk_X509_push(*pcerts, xi->x509))
1165                                 goto end;
1166                         xi->x509 = NULL;
1167                         }
1168                 if (xi->crl && pcrls)
1169                         {
1170                         if (!sk_X509_CRL_push(*pcrls, xi->crl))
1171                                 goto end;
1172                         xi->crl = NULL;
1173                         }
1174                 }
1175
1176         if (pcerts && sk_X509_num(*pcerts) > 0)
1177                 rv = 1;
1178
1179         if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1180                 rv = 1;
1181
1182         end:
1183
1184         if (xis)
1185                 sk_X509_INFO_pop_free(xis, X509_INFO_free);
1186
1187         if (rv == 0)
1188                 {
1189                 if (pcerts)
1190                         {
1191                         sk_X509_pop_free(*pcerts, X509_free);
1192                         *pcerts = NULL;
1193                         }
1194                 if (pcrls)
1195                         {
1196                         sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1197                         *pcrls = NULL;
1198                         }
1199                 BIO_printf(err,"unable to load %s\n",
1200                                 pcerts ? "certificates" : "CRLs");
1201                 ERR_print_errors(err);
1202                 }
1203         return rv;
1204         }
1205
1206 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1207         const char *pass, ENGINE *e, const char *desc)
1208         {
1209         STACK_OF(X509) *certs;
1210         load_certs_crls(err, file, format, pass, e, desc, &certs, NULL);
1211         return certs;
1212         }
1213
1214 STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1215         const char *pass, ENGINE *e, const char *desc)
1216         {
1217         STACK_OF(X509_CRL) *crls;
1218         load_certs_crls(err, file, format, pass, e, desc, NULL, &crls);
1219         return crls;
1220         }
1221
1222 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1223 /* Return error for unknown extensions */
1224 #define X509V3_EXT_DEFAULT              0
1225 /* Print error for unknown extensions */
1226 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1227 /* ASN1 parse unknown extensions */
1228 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1229 /* BIO_dump unknown extensions */
1230 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1231
1232 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1233                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1234
1235 int set_cert_ex(unsigned long *flags, const char *arg)
1236 {
1237         static const NAME_EX_TBL cert_tbl[] = {
1238                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1239                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1240                 { "no_header", X509_FLAG_NO_HEADER, 0},
1241                 { "no_version", X509_FLAG_NO_VERSION, 0},
1242                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1243                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1244                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1245                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1246                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1247                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1248                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1249                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1250                 { "no_aux", X509_FLAG_NO_AUX, 0},
1251                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1252                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1253                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1254                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1255                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1256                 { NULL, 0, 0}
1257         };
1258         return set_multi_opts(flags, arg, cert_tbl);
1259 }
1260
1261 int set_name_ex(unsigned long *flags, const char *arg)
1262 {
1263         static const NAME_EX_TBL ex_tbl[] = {
1264                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1265                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1266                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1267                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1268                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1269                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1270                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1271                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1272                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1273                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1274                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1275                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1276                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1277                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1278                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1279                 { "dn_rev", XN_FLAG_DN_REV, 0},
1280                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1281                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1282                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1283                 { "align", XN_FLAG_FN_ALIGN, 0},
1284                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1285                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1286                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1287                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1288                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1289                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1290                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1291                 { NULL, 0, 0}
1292         };
1293         return set_multi_opts(flags, arg, ex_tbl);
1294 }
1295
1296 int set_ext_copy(int *copy_type, const char *arg)
1297 {
1298         if (!strcasecmp(arg, "none"))
1299                 *copy_type = EXT_COPY_NONE;
1300         else if (!strcasecmp(arg, "copy"))
1301                 *copy_type = EXT_COPY_ADD;
1302         else if (!strcasecmp(arg, "copyall"))
1303                 *copy_type = EXT_COPY_ALL;
1304         else
1305                 return 0;
1306         return 1;
1307 }
1308
1309 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1310 {
1311         STACK_OF(X509_EXTENSION) *exts = NULL;
1312         X509_EXTENSION *ext, *tmpext;
1313         ASN1_OBJECT *obj;
1314         int i, idx, ret = 0;
1315         if (!x || !req || (copy_type == EXT_COPY_NONE))
1316                 return 1;
1317         exts = X509_REQ_get_extensions(req);
1318
1319         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1320                 ext = sk_X509_EXTENSION_value(exts, i);
1321                 obj = X509_EXTENSION_get_object(ext);
1322                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1323                 /* Does extension exist? */
1324                 if (idx != -1) {
1325                         /* If normal copy don't override existing extension */
1326                         if (copy_type == EXT_COPY_ADD)
1327                                 continue;
1328                         /* Delete all extensions of same type */
1329                         do {
1330                                 tmpext = X509_get_ext(x, idx);
1331                                 X509_delete_ext(x, idx);
1332                                 X509_EXTENSION_free(tmpext);
1333                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1334                         } while (idx != -1);
1335                 }
1336                 if (!X509_add_ext(x, ext, -1))
1337                         goto end;
1338         }
1339
1340         ret = 1;
1341
1342         end:
1343
1344         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1345
1346         return ret;
1347 }
1348
1349
1350
1351
1352 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1353 {
1354         STACK_OF(CONF_VALUE) *vals;
1355         CONF_VALUE *val;
1356         int i, ret = 1;
1357         if(!arg) return 0;
1358         vals = X509V3_parse_list(arg);
1359         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1360                 val = sk_CONF_VALUE_value(vals, i);
1361                 if (!set_table_opts(flags, val->name, in_tbl))
1362                         ret = 0;
1363         }
1364         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1365         return ret;
1366 }
1367
1368 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1369 {
1370         char c;
1371         const NAME_EX_TBL *ptbl;
1372         c = arg[0];
1373
1374         if(c == '-') {
1375                 c = 0;
1376                 arg++;
1377         } else if (c == '+') {
1378                 c = 1;
1379                 arg++;
1380         } else c = 1;
1381
1382         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1383                 if(!strcasecmp(arg, ptbl->name)) {
1384                         *flags &= ~ptbl->mask;
1385                         if(c) *flags |= ptbl->flag;
1386                         else *flags &= ~ptbl->flag;
1387                         return 1;
1388                 }
1389         }
1390         return 0;
1391 }
1392
1393 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1394 {
1395         char *buf;
1396         char mline = 0;
1397         int indent = 0;
1398
1399         if(title) BIO_puts(out, title);
1400         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1401                 mline = 1;
1402                 indent = 4;
1403         }
1404         if(lflags == XN_FLAG_COMPAT) {
1405                 buf = X509_NAME_oneline(nm, 0, 0);
1406                 BIO_puts(out, buf);
1407                 BIO_puts(out, "\n");
1408                 OPENSSL_free(buf);
1409         } else {
1410                 if(mline) BIO_puts(out, "\n");
1411                 X509_NAME_print_ex(out, nm, indent, lflags);
1412                 BIO_puts(out, "\n");
1413         }
1414 }
1415
1416 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1417 {
1418         X509_STORE *store;
1419         X509_LOOKUP *lookup;
1420         if(!(store = X509_STORE_new())) goto end;
1421         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1422         if (lookup == NULL) goto end;
1423         if (CAfile) {
1424                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1425                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1426                         goto end;
1427                 }
1428         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1429
1430         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1431         if (lookup == NULL) goto end;
1432         if (CApath) {
1433                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1434                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1435                         goto end;
1436                 }
1437         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1438
1439         ERR_clear_error();
1440         return store;
1441         end:
1442         X509_STORE_free(store);
1443         return NULL;
1444 }
1445
1446 #ifndef OPENSSL_NO_ENGINE
1447 /* Try to load an engine in a shareable library */
1448 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1449         {
1450         ENGINE *e = ENGINE_by_id("dynamic");
1451         if (e)
1452                 {
1453                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1454                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1455                         {
1456                         ENGINE_free(e);
1457                         e = NULL;
1458                         }
1459                 }
1460         return e;
1461         }
1462
1463 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1464         {
1465         ENGINE *e = NULL;
1466
1467         if (engine)
1468                 {
1469                 if(strcmp(engine, "auto") == 0)
1470                         {
1471                         BIO_printf(err,"enabling auto ENGINE support\n");
1472                         ENGINE_register_all_complete();
1473                         return NULL;
1474                         }
1475                 if((e = ENGINE_by_id(engine)) == NULL
1476                         && (e = try_load_engine(err, engine, debug)) == NULL)
1477                         {
1478                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1479                         ERR_print_errors(err);
1480                         return NULL;
1481                         }
1482                 if (debug)
1483                         {
1484                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1485                                 0, err, 0);
1486                         }
1487                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1488                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1489                         {
1490                         BIO_printf(err,"can't use that engine\n");
1491                         ERR_print_errors(err);
1492                         ENGINE_free(e);
1493                         return NULL;
1494                         }
1495
1496                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1497
1498                 /* Free our "structural" reference. */
1499                 ENGINE_free(e);
1500                 }
1501         return e;
1502         }
1503 #endif
1504
1505 int load_config(BIO *err, CONF *cnf)
1506         {
1507         static int load_config_called = 0;
1508         if (load_config_called)
1509                 return 1;
1510         load_config_called = 1;
1511         if (!cnf)
1512                 cnf = config;
1513         if (!cnf)
1514                 return 1;
1515
1516         OPENSSL_load_builtin_modules();
1517
1518         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1519                 {
1520                 BIO_printf(err, "Error configuring OpenSSL\n");
1521                 ERR_print_errors(err);
1522                 return 0;
1523                 }
1524         return 1;
1525         }
1526
1527 char *make_config_name()
1528         {
1529         const char *t=X509_get_default_cert_area();
1530         size_t len;
1531         char *p;
1532
1533         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1534         p=OPENSSL_malloc(len);
1535         BUF_strlcpy(p,t,len);
1536 #ifndef OPENSSL_SYS_VMS
1537         BUF_strlcat(p,"/",len);
1538 #endif
1539         BUF_strlcat(p,OPENSSL_CONF,len);
1540
1541         return p;
1542         }
1543
1544 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1545         {
1546         const char *n;
1547
1548         n=a[DB_serial];
1549         while (*n == '0') n++;
1550         return(lh_strhash(n));
1551         }
1552
1553 static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1554         {
1555         const char *aa,*bb;
1556
1557         for (aa=a[DB_serial]; *aa == '0'; aa++);
1558         for (bb=b[DB_serial]; *bb == '0'; bb++);
1559         return(strcmp(aa,bb));
1560         }
1561
1562 static int index_name_qual(char **a)
1563         { return(a[0][0] == 'V'); }
1564
1565 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1566         { return(lh_strhash(a[DB_name])); }
1567
1568 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1569         { return(strcmp(a[DB_name], b[DB_name])); }
1570
1571 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1572 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1573 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1574 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1575
1576 #undef BSIZE
1577 #define BSIZE 256
1578
1579 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1580         {
1581         BIO *in=NULL;
1582         BIGNUM *ret=NULL;
1583         MS_STATIC char buf[1024];
1584         ASN1_INTEGER *ai=NULL;
1585
1586         ai=ASN1_INTEGER_new();
1587         if (ai == NULL) goto err;
1588
1589         if ((in=BIO_new(BIO_s_file())) == NULL)
1590                 {
1591                 ERR_print_errors(bio_err);
1592                 goto err;
1593                 }
1594
1595         if (BIO_read_filename(in,serialfile) <= 0)
1596                 {
1597                 if (!create)
1598                         {
1599                         perror(serialfile);
1600                         goto err;
1601                         }
1602                 else
1603                         {
1604                         ret=BN_new();
1605                         if (ret == NULL || !rand_serial(ret, ai))
1606                                 BIO_printf(bio_err, "Out of memory\n");
1607                         }
1608                 }
1609         else
1610                 {
1611                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1612                         {
1613                         BIO_printf(bio_err,"unable to load number from %s\n",
1614                                 serialfile);
1615                         goto err;
1616                         }
1617                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1618                 if (ret == NULL)
1619                         {
1620                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1621                         goto err;
1622                         }
1623                 }
1624
1625         if (ret && retai)
1626                 {
1627                 *retai = ai;
1628                 ai = NULL;
1629                 }
1630  err:
1631         if (in != NULL) BIO_free(in);
1632         if (ai != NULL) ASN1_INTEGER_free(ai);
1633         return(ret);
1634         }
1635
1636 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1637         {
1638         char buf[1][BSIZE];
1639         BIO *out = NULL;
1640         int ret=0;
1641         ASN1_INTEGER *ai=NULL;
1642         int j;
1643
1644         if (suffix == NULL)
1645                 j = strlen(serialfile);
1646         else
1647                 j = strlen(serialfile) + strlen(suffix) + 1;
1648         if (j >= BSIZE)
1649                 {
1650                 BIO_printf(bio_err,"file name too long\n");
1651                 goto err;
1652                 }
1653
1654         if (suffix == NULL)
1655                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1656         else
1657                 {
1658 #ifndef OPENSSL_SYS_VMS
1659                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1660 #else
1661                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1662 #endif
1663                 }
1664 #ifdef RL_DEBUG
1665         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1666 #endif
1667         out=BIO_new(BIO_s_file());
1668         if (out == NULL)
1669                 {
1670                 ERR_print_errors(bio_err);
1671                 goto err;
1672                 }
1673         if (BIO_write_filename(out,buf[0]) <= 0)
1674                 {
1675                 perror(serialfile);
1676                 goto err;
1677                 }
1678
1679         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1680                 {
1681                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1682                 goto err;
1683                 }
1684         i2a_ASN1_INTEGER(out,ai);
1685         BIO_puts(out,"\n");
1686         ret=1;
1687         if (retai)
1688                 {
1689                 *retai = ai;
1690                 ai = NULL;
1691                 }
1692 err:
1693         if (out != NULL) BIO_free_all(out);
1694         if (ai != NULL) ASN1_INTEGER_free(ai);
1695         return(ret);
1696         }
1697
1698 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1699         {
1700         char buf[5][BSIZE];
1701         int i,j;
1702
1703         i = strlen(serialfile) + strlen(old_suffix);
1704         j = strlen(serialfile) + strlen(new_suffix);
1705         if (i > j) j = i;
1706         if (j + 1 >= BSIZE)
1707                 {
1708                 BIO_printf(bio_err,"file name too long\n");
1709                 goto err;
1710                 }
1711
1712 #ifndef OPENSSL_SYS_VMS
1713         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1714                 serialfile, new_suffix);
1715 #else
1716         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1717                 serialfile, new_suffix);
1718 #endif
1719 #ifndef OPENSSL_SYS_VMS
1720         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1721                 serialfile, old_suffix);
1722 #else
1723         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1724                 serialfile, old_suffix);
1725 #endif
1726 #ifdef RL_DEBUG
1727         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1728                 serialfile, buf[1]);
1729 #endif
1730         if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1731 #ifdef ENOTDIR
1732                         && errno != ENOTDIR
1733 #endif
1734            )            {
1735                         BIO_printf(bio_err,
1736                                 "unable to rename %s to %s\n",
1737                                 serialfile, buf[1]);
1738                         perror("reason");
1739                         goto err;
1740                         }
1741 #ifdef RL_DEBUG
1742         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1743                 buf[0],serialfile);
1744 #endif
1745         if (rename(buf[0],serialfile) < 0)
1746                 {
1747                 BIO_printf(bio_err,
1748                         "unable to rename %s to %s\n",
1749                         buf[0],serialfile);
1750                 perror("reason");
1751                 rename(buf[1],serialfile);
1752                 goto err;
1753                 }
1754         return 1;
1755  err:
1756         return 0;
1757         }
1758
1759 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1760         {
1761         BIGNUM *btmp;
1762         int ret = 0;
1763         if (b)
1764                 btmp = b;
1765         else
1766                 btmp = BN_new();
1767
1768         if (!btmp)
1769                 return 0;
1770
1771         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1772                 goto error;
1773         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1774                 goto error;
1775
1776         ret = 1;
1777
1778         error:
1779
1780         if (!b)
1781                 BN_free(btmp);
1782
1783         return ret;
1784         }
1785
1786 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1787         {
1788         CA_DB *retdb = NULL;
1789         TXT_DB *tmpdb = NULL;
1790         BIO *in = BIO_new(BIO_s_file());
1791         CONF *dbattr_conf = NULL;
1792         char buf[1][BSIZE];
1793         long errorline= -1;
1794
1795         if (in == NULL)
1796                 {
1797                 ERR_print_errors(bio_err);
1798                 goto err;
1799                 }
1800         if (BIO_read_filename(in,dbfile) <= 0)
1801                 {
1802                 perror(dbfile);
1803                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1804                 goto err;
1805                 }
1806         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1807                 goto err;
1808
1809 #ifndef OPENSSL_SYS_VMS
1810         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1811 #else
1812         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1813 #endif
1814         dbattr_conf = NCONF_new(NULL);
1815         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1816                 {
1817                 if (errorline > 0)
1818                         {
1819                         BIO_printf(bio_err,
1820                                 "error on line %ld of db attribute file '%s'\n"
1821                                 ,errorline,buf[0]);
1822                         goto err;
1823                         }
1824                 else
1825                         {
1826                         NCONF_free(dbattr_conf);
1827                         dbattr_conf = NULL;
1828                         }
1829                 }
1830
1831         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1832                 {
1833                 fprintf(stderr, "Out of memory\n");
1834                 goto err;
1835                 }
1836
1837         retdb->db = tmpdb;
1838         tmpdb = NULL;
1839         if (db_attr)
1840                 retdb->attributes = *db_attr;
1841         else
1842                 {
1843                 retdb->attributes.unique_subject = 1;
1844                 }
1845
1846         if (dbattr_conf)
1847                 {
1848                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1849                 if (p)
1850                         {
1851 #ifdef RL_DEBUG
1852                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1853 #endif
1854                         retdb->attributes.unique_subject = parse_yesno(p,1);
1855                         }
1856                 }
1857
1858  err:
1859         if (dbattr_conf) NCONF_free(dbattr_conf);
1860         if (tmpdb) TXT_DB_free(tmpdb);
1861         if (in) BIO_free_all(in);
1862         return retdb;
1863         }
1864
1865 int index_index(CA_DB *db)
1866         {
1867         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1868                                 LHASH_HASH_FN(index_serial),
1869                                 LHASH_COMP_FN(index_serial)))
1870                 {
1871                 BIO_printf(bio_err,
1872                   "error creating serial number index:(%ld,%ld,%ld)\n",
1873                                         db->db->error,db->db->arg1,db->db->arg2);
1874                         return 0;
1875                 }
1876
1877         if (db->attributes.unique_subject
1878                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1879                         LHASH_HASH_FN(index_name),
1880                         LHASH_COMP_FN(index_name)))
1881                 {
1882                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1883                         db->db->error,db->db->arg1,db->db->arg2);
1884                 return 0;
1885                 }
1886         return 1;
1887         }
1888
1889 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1890         {
1891         char buf[3][BSIZE];
1892         BIO *out = BIO_new(BIO_s_file());
1893         int j;
1894
1895         if (out == NULL)
1896                 {
1897                 ERR_print_errors(bio_err);
1898                 goto err;
1899                 }
1900
1901         j = strlen(dbfile) + strlen(suffix);
1902         if (j + 6 >= BSIZE)
1903                 {
1904                 BIO_printf(bio_err,"file name too long\n");
1905                 goto err;
1906                 }
1907
1908 #ifndef OPENSSL_SYS_VMS
1909         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1910 #else
1911         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1912 #endif
1913 #ifndef OPENSSL_SYS_VMS
1914         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1915 #else
1916         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1917 #endif
1918 #ifndef OPENSSL_SYS_VMS
1919         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1920 #else
1921         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1922 #endif
1923 #ifdef RL_DEBUG
1924         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1925 #endif
1926         if (BIO_write_filename(out,buf[0]) <= 0)
1927                 {
1928                 perror(dbfile);
1929                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1930                 goto err;
1931                 }
1932         j=TXT_DB_write(out,db->db);
1933         if (j <= 0) goto err;
1934
1935         BIO_free(out);
1936
1937         out = BIO_new(BIO_s_file());
1938 #ifdef RL_DEBUG
1939         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1940 #endif
1941         if (BIO_write_filename(out,buf[1]) <= 0)
1942                 {
1943                 perror(buf[2]);
1944                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1945                 goto err;
1946                 }
1947         BIO_printf(out,"unique_subject = %s\n",
1948                 db->attributes.unique_subject ? "yes" : "no");
1949         BIO_free(out);
1950
1951         return 1;
1952  err:
1953         return 0;
1954         }
1955
1956 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1957         {
1958         char buf[5][BSIZE];
1959         int i,j;
1960
1961         i = strlen(dbfile) + strlen(old_suffix);
1962         j = strlen(dbfile) + strlen(new_suffix);
1963         if (i > j) j = i;
1964         if (j + 6 >= BSIZE)
1965                 {
1966                 BIO_printf(bio_err,"file name too long\n");
1967                 goto err;
1968                 }
1969
1970 #ifndef OPENSSL_SYS_VMS
1971         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1972 #else
1973         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1974 #endif
1975 #ifndef OPENSSL_SYS_VMS
1976         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1977                 dbfile, new_suffix);
1978 #else
1979         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1980                 dbfile, new_suffix);
1981 #endif
1982 #ifndef OPENSSL_SYS_VMS
1983         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1984                 dbfile, new_suffix);
1985 #else
1986         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1987                 dbfile, new_suffix);
1988 #endif
1989 #ifndef OPENSSL_SYS_VMS
1990         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1991                 dbfile, old_suffix);
1992 #else
1993         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1994                 dbfile, old_suffix);
1995 #endif
1996 #ifndef OPENSSL_SYS_VMS
1997         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1998                 dbfile, old_suffix);
1999 #else
2000         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
2001                 dbfile, old_suffix);
2002 #endif
2003 #ifdef RL_DEBUG
2004         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2005                 dbfile, buf[1]);
2006 #endif
2007         if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
2008 #ifdef ENOTDIR
2009                 && errno != ENOTDIR
2010 #endif
2011            )            {
2012                         BIO_printf(bio_err,
2013                                 "unable to rename %s to %s\n",
2014                                 dbfile, buf[1]);
2015                         perror("reason");
2016                         goto err;
2017                         }
2018 #ifdef RL_DEBUG
2019         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2020                 buf[0],dbfile);
2021 #endif
2022         if (rename(buf[0],dbfile) < 0)
2023                 {
2024                 BIO_printf(bio_err,
2025                         "unable to rename %s to %s\n",
2026                         buf[0],dbfile);
2027                 perror("reason");
2028                 rename(buf[1],dbfile);
2029                 goto err;
2030                 }
2031 #ifdef RL_DEBUG
2032         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2033                 buf[4],buf[3]);
2034 #endif
2035         if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
2036 #ifdef ENOTDIR
2037                 && errno != ENOTDIR
2038 #endif
2039            )            {
2040                         BIO_printf(bio_err,
2041                                 "unable to rename %s to %s\n",
2042                                 buf[4], buf[3]);
2043                         perror("reason");
2044                         rename(dbfile,buf[0]);
2045                         rename(buf[1],dbfile);
2046                         goto err;
2047                         }
2048 #ifdef RL_DEBUG
2049         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2050                 buf[2],buf[4]);
2051 #endif
2052         if (rename(buf[2],buf[4]) < 0)
2053                 {
2054                 BIO_printf(bio_err,
2055                         "unable to rename %s to %s\n",
2056                         buf[2],buf[4]);
2057                 perror("reason");
2058                 rename(buf[3],buf[4]);
2059                 rename(dbfile,buf[0]);
2060                 rename(buf[1],dbfile);
2061                 goto err;
2062                 }
2063         return 1;
2064  err:
2065         return 0;
2066         }
2067
2068 void free_index(CA_DB *db)
2069         {
2070         if (db)
2071                 {
2072                 if (db->db) TXT_DB_free(db->db);
2073                 OPENSSL_free(db);
2074                 }
2075         }
2076
2077 int parse_yesno(const char *str, int def)
2078         {
2079         int ret = def;
2080         if (str)
2081                 {
2082                 switch (*str)
2083                         {
2084                 case 'f': /* false */
2085                 case 'F': /* FALSE */
2086                 case 'n': /* no */
2087                 case 'N': /* NO */
2088                 case '0': /* 0 */
2089                         ret = 0;
2090                         break;
2091                 case 't': /* true */
2092                 case 'T': /* TRUE */
2093                 case 'y': /* yes */
2094                 case 'Y': /* YES */
2095                 case '1': /* 1 */
2096                         ret = 1;
2097                         break;
2098                 default:
2099                         ret = def;
2100                         break;
2101                         }
2102                 }
2103         return ret;
2104         }
2105
2106 /*
2107  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2108  * where characters may be escaped by \
2109  */
2110 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2111         {
2112         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2113         char *buf = OPENSSL_malloc(buflen);
2114         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2115         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2116         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2117         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2118
2119         char *sp = subject, *bp = buf;
2120         int i, ne_num = 0;
2121
2122         X509_NAME *n = NULL;
2123         int nid;
2124
2125         if (!buf || !ne_types || !ne_values)
2126                 {
2127                 BIO_printf(bio_err, "malloc error\n");
2128                 goto error;
2129                 }
2130
2131         if (*subject != '/')
2132                 {
2133                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2134                 goto error;
2135                 }
2136         sp++; /* skip leading / */
2137
2138         /* no multivalued RDN by default */
2139         mval[ne_num] = 0;
2140
2141         while (*sp)
2142                 {
2143                 /* collect type */
2144                 ne_types[ne_num] = bp;
2145                 while (*sp)
2146                         {
2147                         if (*sp == '\\') /* is there anything to escape in the type...? */
2148                                 {
2149                                 if (*++sp)
2150                                         *bp++ = *sp++;
2151                                 else
2152                                         {
2153                                         BIO_printf(bio_err, "escape character at end of string\n");
2154                                         goto error;
2155                                         }
2156                                 }
2157                         else if (*sp == '=')
2158                                 {
2159                                 sp++;
2160                                 *bp++ = '\0';
2161                                 break;
2162                                 }
2163                         else
2164                                 *bp++ = *sp++;
2165                         }
2166                 if (!*sp)
2167                         {
2168                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2169                         goto error;
2170                         }
2171                 ne_values[ne_num] = bp;
2172                 while (*sp)
2173                         {
2174                         if (*sp == '\\')
2175                                 {
2176                                 if (*++sp)
2177                                         *bp++ = *sp++;
2178                                 else
2179                                         {
2180                                         BIO_printf(bio_err, "escape character at end of string\n");
2181                                         goto error;
2182                                         }
2183                                 }
2184                         else if (*sp == '/')
2185                                 {
2186                                 sp++;
2187                                 /* no multivalued RDN by default */
2188                                 mval[ne_num+1] = 0;
2189                                 break;
2190                                 }
2191                         else if (*sp == '+' && multirdn)
2192                                 {
2193                                 /* a not escaped + signals a mutlivalued RDN */
2194                                 sp++;
2195                                 mval[ne_num+1] = -1;
2196                                 break;
2197                                 }
2198                         else
2199                                 *bp++ = *sp++;
2200                         }
2201                 *bp++ = '\0';
2202                 ne_num++;
2203                 }
2204
2205         if (!(n = X509_NAME_new()))
2206                 goto error;
2207
2208         for (i = 0; i < ne_num; i++)
2209                 {
2210                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2211                         {
2212                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2213                         continue;
2214                         }
2215
2216                 if (!*ne_values[i])
2217                         {
2218                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2219                         continue;
2220                         }
2221
2222                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2223                         goto error;
2224                 }
2225
2226         OPENSSL_free(ne_values);
2227         OPENSSL_free(ne_types);
2228         OPENSSL_free(buf);
2229         return n;
2230
2231 error:
2232         X509_NAME_free(n);
2233         if (ne_values)
2234                 OPENSSL_free(ne_values);
2235         if (ne_types)
2236                 OPENSSL_free(ne_types);
2237         if (buf)
2238                 OPENSSL_free(buf);
2239         return NULL;
2240 }
2241
2242 int args_verify(char ***pargs, int *pargc,
2243                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2244         {
2245         ASN1_OBJECT *otmp = NULL;
2246         unsigned long flags = 0;
2247         int i;
2248         int purpose = 0, depth = -1;
2249         char **oldargs = *pargs;
2250         char *arg = **pargs, *argn = (*pargs)[1];
2251         const X509_VERIFY_PARAM *vpm = NULL;
2252         if (!strcmp(arg, "-policy"))
2253                 {
2254                 if (!argn)
2255                         *badarg = 1;
2256                 else
2257                         {
2258                         otmp = OBJ_txt2obj(argn, 0);
2259                         if (!otmp)
2260                                 {
2261                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2262                                                                         argn);
2263                                 *badarg = 1;
2264                                 }
2265                         }
2266                 (*pargs)++;
2267                 }
2268         else if (strcmp(arg,"-purpose") == 0)
2269                 {
2270                 X509_PURPOSE *xptmp;
2271                 if (!argn)
2272                         *badarg = 1;
2273                 else
2274                         {
2275                         i = X509_PURPOSE_get_by_sname(argn);
2276                         if(i < 0)
2277                                 {
2278                                 BIO_printf(err, "unrecognized purpose\n");
2279                                 *badarg = 1;
2280                                 }
2281                         else
2282                                 {
2283                                 xptmp = X509_PURPOSE_get0(i);
2284                                 purpose = X509_PURPOSE_get_id(xptmp);
2285                                 }
2286                         }
2287                 (*pargs)++;
2288                 }
2289         else if (strcmp(arg,"-verify_name") == 0)
2290                 {
2291                 if (!argn)
2292                         *badarg = 1;
2293                 else
2294                         {
2295                         vpm = X509_VERIFY_PARAM_lookup(argn);
2296                         if(!vpm)
2297                                 {
2298                                 BIO_printf(err, "unrecognized verify name\n");
2299                                 *badarg = 1;
2300                                 }
2301                         }
2302                 (*pargs)++;
2303                 }
2304         else if (strcmp(arg,"-verify_depth") == 0)
2305                 {
2306                 if (!argn)
2307                         *badarg = 1;
2308                 else
2309                         {
2310                         depth = atoi(argn);
2311                         if(depth < 0)
2312                                 {
2313                                 BIO_printf(err, "invalid depth\n");
2314                                 *badarg = 1;
2315                                 }
2316                         }
2317                 (*pargs)++;
2318                 }
2319         else if (!strcmp(arg, "-ignore_critical"))
2320                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2321         else if (!strcmp(arg, "-issuer_checks"))
2322                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2323         else if (!strcmp(arg, "-crl_check"))
2324                 flags |=  X509_V_FLAG_CRL_CHECK;
2325         else if (!strcmp(arg, "-crl_check_all"))
2326                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2327         else if (!strcmp(arg, "-policy_check"))
2328                 flags |= X509_V_FLAG_POLICY_CHECK;
2329         else if (!strcmp(arg, "-explicit_policy"))
2330                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2331         else if (!strcmp(arg, "-inhibit_any"))
2332                 flags |= X509_V_FLAG_INHIBIT_ANY;
2333         else if (!strcmp(arg, "-inhibit_map"))
2334                 flags |= X509_V_FLAG_INHIBIT_MAP;
2335         else if (!strcmp(arg, "-x509_strict"))
2336                 flags |= X509_V_FLAG_X509_STRICT;
2337         else if (!strcmp(arg, "-extended_crl"))
2338                 flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2339         else if (!strcmp(arg, "-use_deltas"))
2340                 flags |= X509_V_FLAG_USE_DELTAS;
2341         else if (!strcmp(arg, "-policy_print"))
2342                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2343         else if (!strcmp(arg, "-check_ss_sig"))
2344                 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2345         else if (!strcmp(arg, "-trusted_first"))
2346                 flags |= X509_V_FLAG_TRUSTED_FIRST;
2347         else
2348                 return 0;
2349
2350         if (*badarg)
2351                 {
2352                 if (*pm)
2353                         X509_VERIFY_PARAM_free(*pm);
2354                 *pm = NULL;
2355                 goto end;
2356                 }
2357
2358         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2359                 {
2360                 *badarg = 1;
2361                 goto end;
2362                 }
2363
2364         if (vpm)
2365                 X509_VERIFY_PARAM_set1(*pm, vpm);
2366
2367         if (otmp)
2368                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2369         if (flags)
2370                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2371
2372         if (purpose)
2373                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2374
2375         if (depth >= 0)
2376                 X509_VERIFY_PARAM_set_depth(*pm, depth);
2377
2378         end:
2379
2380         (*pargs)++;
2381
2382         if (pargc)
2383                 *pargc -= *pargs - oldargs;
2384
2385         return 1;
2386
2387         }
2388
2389 /* Read whole contents of a BIO into an allocated memory buffer and
2390  * return it.
2391  */
2392
2393 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2394         {
2395         BIO *mem;
2396         int len, ret;
2397         unsigned char tbuf[1024];
2398         mem = BIO_new(BIO_s_mem());
2399         if (!mem)
2400                 return -1;
2401         for(;;)
2402                 {
2403                 if ((maxlen != -1) && maxlen < 1024)
2404                         len = maxlen;
2405                 else
2406                         len = 1024;
2407                 len = BIO_read(in, tbuf, len);
2408                 if (len <= 0)
2409                         break;
2410                 if (BIO_write(mem, tbuf, len) != len)
2411                         {
2412                         BIO_free(mem);
2413                         return -1;
2414                         }
2415                 maxlen -= len;
2416
2417                 if (maxlen == 0)
2418                         break;
2419                 }
2420         ret = BIO_get_mem_data(mem, (char **)out);
2421         BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2422         BIO_free(mem);
2423         return ret;
2424         }
2425
2426 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2427         {
2428         int rv;
2429         char *stmp, *vtmp = NULL;
2430         stmp = BUF_strdup(value);
2431         if (!stmp)
2432                 return -1;
2433         vtmp = strchr(stmp, ':');
2434         if (vtmp)
2435                 {
2436                 *vtmp = 0;
2437                 vtmp++;
2438                 }
2439         rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2440         OPENSSL_free(stmp);
2441         return rv;
2442         }
2443
2444 static void nodes_print(BIO *out, const char *name,
2445         STACK_OF(X509_POLICY_NODE) *nodes)
2446         {
2447         X509_POLICY_NODE *node;
2448         int i;
2449         BIO_printf(out, "%s Policies:", name);
2450         if (nodes)
2451                 {
2452                 BIO_puts(out, "\n");
2453                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2454                         {
2455                         node = sk_X509_POLICY_NODE_value(nodes, i);
2456                         X509_POLICY_NODE_print(out, node, 2);
2457                         }
2458                 }
2459         else
2460                 BIO_puts(out, " <empty>\n");
2461         }
2462
2463 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2464         {
2465         X509_POLICY_TREE *tree;
2466         int explicit_policy;
2467         int free_out = 0;
2468         if (out == NULL)
2469                 {
2470                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2471                 free_out = 1;
2472                 }
2473         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2474         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2475
2476         BIO_printf(out, "Require explicit Policy: %s\n",
2477                                 explicit_policy ? "True" : "False");
2478
2479         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2480         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2481         if (free_out)
2482                 BIO_free(out);
2483         }
2484
2485 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2486
2487 static JPAKE_CTX *jpake_init(const char *us, const char *them,
2488                                                          const char *secret)
2489         {
2490         BIGNUM *p = NULL;
2491         BIGNUM *g = NULL;
2492         BIGNUM *q = NULL;
2493         BIGNUM *bnsecret = BN_new();
2494         JPAKE_CTX *ctx;
2495
2496         /* Use a safe prime for p (that we found earlier) */
2497         BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2498         g = BN_new();
2499         BN_set_word(g, 2);
2500         q = BN_new();
2501         BN_rshift1(q, p);
2502
2503         BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2504
2505         ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2506         BN_free(bnsecret);
2507         BN_free(q);
2508         BN_free(g);
2509         BN_free(p);
2510
2511         return ctx;
2512         }
2513
2514 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2515         {
2516         BN_print(conn, p->gx);
2517         BIO_puts(conn, "\n");
2518         BN_print(conn, p->zkpx.gr);
2519         BIO_puts(conn, "\n");
2520         BN_print(conn, p->zkpx.b);
2521         BIO_puts(conn, "\n");
2522         }
2523
2524 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2525         {
2526         JPAKE_STEP1 s1;
2527
2528         JPAKE_STEP1_init(&s1);
2529         JPAKE_STEP1_generate(&s1, ctx);
2530         jpake_send_part(bconn, &s1.p1);
2531         jpake_send_part(bconn, &s1.p2);
2532         (void)BIO_flush(bconn);
2533         JPAKE_STEP1_release(&s1);
2534         }
2535
2536 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2537         {
2538         JPAKE_STEP2 s2;
2539
2540         JPAKE_STEP2_init(&s2);
2541         JPAKE_STEP2_generate(&s2, ctx);
2542         jpake_send_part(bconn, &s2);
2543         (void)BIO_flush(bconn);
2544         JPAKE_STEP2_release(&s2);
2545         }
2546
2547 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2548         {
2549         JPAKE_STEP3A s3a;
2550
2551         JPAKE_STEP3A_init(&s3a);
2552         JPAKE_STEP3A_generate(&s3a, ctx);
2553         BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2554         (void)BIO_flush(bconn);
2555         JPAKE_STEP3A_release(&s3a);
2556         }
2557
2558 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2559         {
2560         JPAKE_STEP3B s3b;
2561
2562         JPAKE_STEP3B_init(&s3b);
2563         JPAKE_STEP3B_generate(&s3b, ctx);
2564         BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2565         (void)BIO_flush(bconn);
2566         JPAKE_STEP3B_release(&s3b);
2567         }
2568
2569 static void readbn(BIGNUM **bn, BIO *bconn)
2570         {
2571         char buf[10240];
2572         int l;
2573
2574         l = BIO_gets(bconn, buf, sizeof buf);
2575         assert(l > 0);
2576         assert(buf[l-1] == '\n');
2577         buf[l-1] = '\0';
2578         BN_hex2bn(bn, buf);
2579         }
2580
2581 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2582         {
2583         readbn(&p->gx, bconn);
2584         readbn(&p->zkpx.gr, bconn);
2585         readbn(&p->zkpx.b, bconn);
2586         }
2587
2588 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2589         {
2590         JPAKE_STEP1 s1;
2591
2592         JPAKE_STEP1_init(&s1);
2593         jpake_receive_part(&s1.p1, bconn);
2594         jpake_receive_part(&s1.p2, bconn);
2595         if(!JPAKE_STEP1_process(ctx, &s1))
2596                 {
2597                 ERR_print_errors(bio_err);
2598                 exit(1);
2599                 }
2600         JPAKE_STEP1_release(&s1);
2601         }
2602
2603 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2604         {
2605         JPAKE_STEP2 s2;
2606
2607         JPAKE_STEP2_init(&s2);
2608         jpake_receive_part(&s2, bconn);
2609         if(!JPAKE_STEP2_process(ctx, &s2))
2610                 {
2611                 ERR_print_errors(bio_err);
2612                 exit(1);
2613                 }
2614         JPAKE_STEP2_release(&s2);
2615         }
2616
2617 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2618         {
2619         JPAKE_STEP3A s3a;
2620         int l;
2621
2622         JPAKE_STEP3A_init(&s3a);
2623         l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2624         assert(l == sizeof s3a.hhk);
2625         if(!JPAKE_STEP3A_process(ctx, &s3a))
2626                 {
2627                 ERR_print_errors(bio_err);
2628                 exit(1);
2629                 }
2630         JPAKE_STEP3A_release(&s3a);
2631         }
2632
2633 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2634         {
2635         JPAKE_STEP3B s3b;
2636         int l;
2637
2638         JPAKE_STEP3B_init(&s3b);
2639         l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2640         assert(l == sizeof s3b.hk);
2641         if(!JPAKE_STEP3B_process(ctx, &s3b))
2642                 {
2643                 ERR_print_errors(bio_err);
2644                 exit(1);
2645                 }
2646         JPAKE_STEP3B_release(&s3b);
2647         }
2648
2649 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2650         {
2651         JPAKE_CTX *ctx;
2652         BIO *bconn;
2653
2654         BIO_puts(out, "Authenticating with JPAKE\n");
2655
2656         ctx = jpake_init("client", "server", secret);
2657
2658         bconn = BIO_new(BIO_f_buffer());
2659         BIO_push(bconn, conn);
2660
2661         jpake_send_step1(bconn, ctx);
2662         jpake_receive_step1(ctx, bconn);
2663         jpake_send_step2(bconn, ctx);
2664         jpake_receive_step2(ctx, bconn);
2665         jpake_send_step3a(bconn, ctx);
2666         jpake_receive_step3b(ctx, bconn);
2667
2668         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2669
2670         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2671
2672         BIO_pop(bconn);
2673         BIO_free(bconn);
2674
2675         JPAKE_CTX_free(ctx);
2676         }
2677
2678 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2679         {
2680         JPAKE_CTX *ctx;
2681         BIO *bconn;
2682
2683         BIO_puts(out, "Authenticating with JPAKE\n");
2684
2685         ctx = jpake_init("server", "client", secret);
2686
2687         bconn = BIO_new(BIO_f_buffer());
2688         BIO_push(bconn, conn);
2689
2690         jpake_receive_step1(ctx, bconn);
2691         jpake_send_step1(bconn, ctx);
2692         jpake_receive_step2(ctx, bconn);
2693         jpake_send_step2(bconn, ctx);
2694         jpake_receive_step3a(ctx, bconn);
2695         jpake_send_step3b(bconn, ctx);
2696
2697         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2698
2699         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2700
2701         BIO_pop(bconn);
2702         BIO_free(bconn);
2703
2704         JPAKE_CTX_free(ctx);
2705         }
2706
2707 #endif
2708
2709 /*
2710  * Platform-specific sections
2711  */
2712 #if defined(_WIN32)
2713 # ifdef fileno
2714 #  undef fileno
2715 #  define fileno(a) (int)_fileno(a)
2716 # endif
2717
2718 # include <windows.h>
2719 # include <tchar.h>
2720
2721 static int WIN32_rename(const char *from, const char *to)
2722         {
2723         TCHAR  *tfrom=NULL,*tto;
2724         DWORD   err;
2725         int     ret=0;
2726
2727         if (sizeof(TCHAR) == 1)
2728                 {
2729                 tfrom = (TCHAR *)from;
2730                 tto   = (TCHAR *)to;
2731                 }
2732         else    /* UNICODE path */
2733                 {
2734                 size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
2735                 tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
2736                 if (tfrom==NULL) goto err;
2737                 tto=tfrom+flen;
2738 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2739                 if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
2740 #endif
2741                         for (i=0;i<flen;i++)    tfrom[i]=(TCHAR)from[i];
2742 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2743                 if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
2744 #endif
2745                         for (i=0;i<tlen;i++)    tto[i]  =(TCHAR)to[i];
2746                 }
2747
2748         if (MoveFile(tfrom,tto))        goto ok;
2749         err=GetLastError();
2750         if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
2751                 {
2752                 if (DeleteFile(tto) && MoveFile(tfrom,tto))
2753                         goto ok;
2754                 err=GetLastError();
2755                 }
2756         if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
2757                 errno = ENOENT;
2758         else if (err==ERROR_ACCESS_DENIED)
2759                 errno = EACCES;
2760         else
2761                 errno = EINVAL; /* we could map more codes... */
2762 err:
2763         ret=-1;
2764 ok:
2765         if (tfrom!=NULL && tfrom!=(TCHAR *)from)        free(tfrom);
2766         return ret;
2767         }
2768 #endif
2769
2770 /* app_tminterval section */
2771 #if defined(_WIN32)
2772 double app_tminterval(int stop,int usertime)
2773         {
2774         FILETIME                now;
2775         double                  ret=0;
2776         static ULARGE_INTEGER   tmstart;
2777         static int              warning=1;
2778 #ifdef _WIN32_WINNT
2779         static HANDLE           proc=NULL;
2780
2781         if (proc==NULL)
2782                 {
2783                 if (GetVersion() < 0x80000000)
2784                         proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
2785                                                 GetCurrentProcessId());
2786                 if (proc==NULL) proc = (HANDLE)-1;
2787                 }
2788
2789         if (usertime && proc!=(HANDLE)-1)
2790                 {
2791                 FILETIME junk;
2792                 GetProcessTimes(proc,&junk,&junk,&junk,&now);
2793                 }
2794         else
2795 #endif
2796                 {
2797                 SYSTEMTIME systime;
2798
2799                 if (usertime && warning)
2800                         {
2801                         BIO_printf(bio_err,"To get meaningful results, run "
2802                                            "this program on idle system.\n");
2803                         warning=0;
2804                         }
2805                 GetSystemTime(&systime);
2806                 SystemTimeToFileTime(&systime,&now);
2807                 }
2808
2809         if (stop==TM_START)
2810                 {
2811                 tmstart.u.LowPart  = now.dwLowDateTime;
2812                 tmstart.u.HighPart = now.dwHighDateTime;
2813                 }
2814         else    {
2815                 ULARGE_INTEGER tmstop;
2816
2817                 tmstop.u.LowPart   = now.dwLowDateTime;
2818                 tmstop.u.HighPart  = now.dwHighDateTime;
2819
2820                 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
2821                 }
2822
2823         return (ret);
2824         }
2825
2826 #elif defined(OPENSSL_SYS_NETWARE)
2827 #include <time.h>
2828
2829 double app_tminterval(int stop,int usertime)
2830         {
2831         double          ret=0;
2832         static clock_t  tmstart;
2833         static int      warning=1;
2834
2835         if (usertime && warning)
2836                 {
2837                 BIO_printf(bio_err,"To get meaningful results, run "
2838                                    "this program on idle system.\n");
2839                 warning=0;
2840                 }
2841
2842         if (stop==TM_START)     tmstart = clock();
2843         else                    ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
2844
2845         return (ret);
2846         }
2847
2848 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2849 #include <time.h>
2850
2851 double app_tminterval(int stop,int usertime)
2852         {
2853         double ret=0;
2854 #ifdef CLOCK_REALTIME
2855         static struct timespec  tmstart;
2856         struct timespec         now;
2857 #else
2858         static unsigned long    tmstart;
2859         unsigned long           now;
2860 #endif
2861         static int warning=1;
2862
2863         if (usertime && warning)
2864                 {
2865                 BIO_printf(bio_err,"To get meaningful results, run "
2866                                    "this program on idle system.\n");
2867                 warning=0;
2868                 }
2869
2870 #ifdef CLOCK_REALTIME
2871         clock_gettime(CLOCK_REALTIME,&now);
2872         if (stop==TM_START)     tmstart = now;
2873         else    ret = ( (now.tv_sec+now.tv_nsec*1e-9)
2874                         - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
2875 #else
2876         now = tickGet();
2877         if (stop==TM_START)     tmstart = now;
2878         else                    ret = (now - tmstart)/(double)sysClkRateGet();
2879 #endif
2880         return (ret);
2881         }
2882
2883 #elif defined(OPENSSL_SYSTEM_VMS)
2884 #include <time.h>
2885 #include <times.h>
2886
2887 double app_tminterval(int stop,int usertime)
2888         {
2889         static clock_t  tmstart;
2890         double          ret = 0;
2891         clock_t         now;
2892 #ifdef __TMS
2893         struct tms      rus;
2894
2895         now = times(&rus);
2896         if (usertime)   now = rus.tms_utime;
2897 #else
2898         if (usertime)
2899                 now = clock(); /* sum of user and kernel times */
2900         else    {
2901                 struct timeval tv;
2902                 gettimeofday(&tv,NULL);
2903                 now = (clock_t)(
2904                         (unsigned long long)tv.tv_sec*CLK_TCK +
2905                         (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
2906                         );
2907                 }
2908 #endif
2909         if (stop==TM_START)     tmstart = now;
2910         else                    ret = (now - tmstart)/(double)(CLK_TCK);
2911
2912         return (ret);
2913         }
2914
2915 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
2916 #include <sys/times.h>
2917
2918 double app_tminterval(int stop,int usertime)
2919         {
2920         double          ret = 0;
2921         struct tms      rus;
2922         clock_t         now = times(&rus);
2923         static clock_t  tmstart;
2924
2925         if (usertime)           now = rus.tms_utime;
2926
2927         if (stop==TM_START)     tmstart = now;
2928         else
2929                 {
2930                 long int tck = sysconf(_SC_CLK_TCK);
2931                 ret = (now - tmstart)/(double)tck;
2932                 }
2933
2934         return (ret);
2935         }
2936
2937 #else
2938 #include <sys/time.h>
2939 #include <sys/resource.h>
2940
2941 double app_tminterval(int stop,int usertime)
2942         {
2943         double          ret = 0;
2944         struct rusage   rus;
2945         struct timeval  now;
2946         static struct timeval tmstart;
2947
2948         if (usertime)           getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
2949         else                    gettimeofday(&now,NULL);
2950
2951         if (stop==TM_START)     tmstart = now;
2952         else                    ret = ( (now.tv_sec+now.tv_usec*1e-6)
2953                                         - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
2954
2955         return ret;
2956         }
2957 #endif
2958
2959 /* app_isdir section */
2960 #ifdef _WIN32
2961 int app_isdir(const char *name)
2962         {
2963         HANDLE          hList;
2964         WIN32_FIND_DATA FileData;
2965 #if defined(UNICODE) || defined(_UNICODE)
2966         size_t i, len_0 = strlen(name)+1;
2967
2968         if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
2969                 return -1;
2970
2971 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2972         if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
2973 #endif
2974                 for (i=0;i<len_0;i++)
2975                         FileData.cFileName[i] = (WCHAR)name[i];
2976
2977         hList = FindFirstFile(FileData.cFileName,&FileData);
2978 #else
2979         hList = FindFirstFile(name,&FileData);
2980 #endif
2981         if (hList == INVALID_HANDLE_VALUE)      return -1;
2982         FindClose(hList);
2983         return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
2984         }
2985 #else
2986 #include <sys/stat.h>
2987 #ifndef S_ISDIR
2988 # if defined(_S_IFMT) && defined(_S_IFDIR)
2989 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
2990 # else
2991 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
2992 # endif
2993 #endif
2994
2995 int app_isdir(const char *name)
2996         {
2997 #if defined(S_ISDIR)
2998         struct stat st;
2999
3000         if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
3001         else                    return -1;
3002 #else
3003         return -1;
3004 #endif
3005         }
3006 #endif
3007
3008 /* raw_read|write section */
3009 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
3010 int raw_read_stdin(void *buf,int siz)
3011         {
3012         DWORD n;
3013         if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
3014                 return (n);
3015         else    return (-1);
3016         }
3017 #else
3018 int raw_read_stdin(void *buf,int siz)
3019         {       return read(fileno(stdin),buf,siz);     }
3020 #endif
3021
3022 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3023 int raw_write_stdout(const void *buf,int siz)
3024         {
3025         DWORD n;
3026         if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
3027                 return (n);
3028         else    return (-1);
3029         }
3030 #else
3031 int raw_write_stdout(const void *buf,int siz)
3032         {       return write(fileno(stdout),buf,siz);   }
3033 #endif
3034
3035 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
3036 /* next_protos_parse parses a comma separated list of strings into a string
3037  * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
3038  *   outlen: (output) set to the length of the resulting buffer on success.
3039  *   in: a NUL termianted string like "abc,def,ghi"
3040  *
3041  *   returns: a malloced buffer or NULL on failure.
3042  */
3043 unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
3044         {
3045         size_t len;
3046         unsigned char *out;
3047         size_t i, start = 0;
3048
3049         len = strlen(in);
3050         if (len >= 65535)
3051                 return NULL;
3052
3053         out = OPENSSL_malloc(strlen(in) + 1);
3054         if (!out)
3055                 return NULL;
3056
3057         for (i = 0; i <= len; ++i)
3058                 {
3059                 if (i == len || in[i] == ',')
3060                         {
3061                         if (i - start > 255)
3062                                 {
3063                                 OPENSSL_free(out);
3064                                 return NULL;
3065                                 }
3066                         out[start] = i - start;
3067                         start = i + 1;
3068                         }
3069                 else
3070                         out[i+1] = in[i];
3071                 }
3072
3073         *outlen = len + 1;
3074         return out;
3075         }
3076 #endif  /* !OPENSSL_NO_TLSEXT && !OPENSSL_NO_NEXTPROTONEG */