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 #include <stdio.h>
 113 #include <stdlib.h>
 114 #include <string.h>
 115 #include <sys/types.h>
 116 #include <sys/stat.h>
 117 #include <ctype.h>
 118 #include <openssl/err.h>
 119 #include <openssl/x509.h>
 120 #include <openssl/x509v3.h>
 121 #include <openssl/pem.h>
 122 #include <openssl/pkcs12.h>
 123 #include <openssl/ui.h>
 124 #include <openssl/safestack.h>
 125 #ifndef OPENSSL_NO_ENGINE
 126 #include <openssl/engine.h>
 127 #endif
 128 #ifndef OPENSSL_NO_RSA
 129 #include <openssl/rsa.h>
 130 #endif
 131 #include <openssl/bn.h>
 132
 133 #ifdef _WIN32
 134 #include <windows.h>
 135 #ifdef fileno
 136 #undef fileno
 137 #define fileno(a) (int)_fileno(a)
 138 #endif
 139 #endif
 140
 141 #define NON_MAIN
 142 #include "apps.h"
 143 #undef NON_MAIN
 144
 145 typedef struct {
 146         const char *name;
 147         unsigned long flag;
 148         unsigned long mask;
 149 } NAME_EX_TBL;
 150
 151 static UI_METHOD *ui_method = NULL;
 152
 153 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 154 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 155
 156 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 157 /* Looks like this stuff is worth moving into separate function */
 158 static EVP_PKEY *
 159 load_netscape_key(BIO *err, BIO *key, const char *file,
 160                 const char *key_descrip, int format);
 161 #endif
 162
 163 int app_init(long mesgwin);
 164 #ifdef undef /* never finished - probably never will be :-) */
 165 int args_from_file(char *file, int *argc, char **argv[])
 166         {
 167         FILE *fp;
 168         int num,i;
 169         unsigned int len;
 170         static char *buf=NULL;
 171         static char **arg=NULL;
 172         char *p;
 173         struct stat stbuf;
 174
 175         if (stat(file,&stbuf) < 0) return(0);
 176
 177         fp=fopen(file,"r");
 178         if (fp == NULL)
 179                 return(0);
 180
 181         *argc=0;
 182         *argv=NULL;
 183
 184         len=(unsigned int)stbuf.st_size;
 185         if (buf != NULL) OPENSSL_free(buf);
 186         buf=(char *)OPENSSL_malloc(len+1);
 187         if (buf == NULL) return(0);
 188
 189         len=fread(buf,1,len,fp);
 190         if (len <= 1) return(0);
 191         buf[len]='\0';
 192
 193         i=0;
 194         for (p=buf; *p; p++)
 195                 if (*p == '\n') i++;
 196         if (arg != NULL) OPENSSL_free(arg);
 197         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 198
 199         *argv=arg;
 200         num=0;
 201         p=buf;
 202         for (;;)
 203                 {
 204                 if (!*p) break;
 205                 if (*p == '#') /* comment line */
 206                         {
 207                         while (*p && (*p != '\n')) p++;
 208                         continue;
 209                         }
 210                 /* else we have a line */
 211                 *(arg++)=p;
 212                 num++;
 213                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 214                         p++;
 215                 if (!*p) break;
 216                 if (*p == '\n')
 217                         {
 218                         *(p++)='\0';
 219                         continue;
 220                         }
 221                 /* else it is a tab or space */
 222                 p++;
 223                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 224                         p++;
 225                 if (!*p) break;
 226                 if (*p == '\n')
 227                         {
 228                         p++;
 229                         continue;
 230                         }
 231                 *(arg++)=p++;
 232                 num++;
 233                 while (*p && (*p != '\n')) p++;
 234                 if (!*p) break;
 235                 /* else *p == '\n' */
 236                 *(p++)='\0';
 237                 }
 238         *argc=num;
 239         return(1);
 240         }
 241 #endif
 242
 243 int str2fmt(char *s)
 244         {
 245         if      ((*s == 'D') || (*s == 'd'))
 246                 return(FORMAT_ASN1);
 247         else if ((*s == 'T') || (*s == 't'))
 248                 return(FORMAT_TEXT);
 249         else if ((*s == 'P') || (*s == 'p'))
 250                 {
 251                 if (s[1] == 'V' || s[1] == 'v')
 252                         return FORMAT_PVK;
 253                 else
 254                         return(FORMAT_PEM);
 255                 }
 256         else if ((*s == 'N') || (*s == 'n'))
 257                 return(FORMAT_NETSCAPE);
 258         else if ((*s == 'S') || (*s == 's'))
 259                 return(FORMAT_SMIME);
 260         else if ((*s == 'M') || (*s == 'm'))
 261                 return(FORMAT_MSBLOB);
 262         else if ((*s == '1')
 263                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 264                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 265                 return(FORMAT_PKCS12);
 266         else if ((*s == 'E') || (*s == 'e'))
 267                 return(FORMAT_ENGINE);
 268         else
 269                 return(FORMAT_UNDEF);
 270         }
 271
 272 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 273 void program_name(char *in, char *out, int size)
 274         {
 275         int i,n;
 276         char *p=NULL;
 277
 278         n=strlen(in);
 279         /* find the last '/', '\' or ':' */
 280         for (i=n-1; i>0; i--)
 281                 {
 282                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 283                         {
 284                         p= &(in[i+1]);
 285                         break;
 286                         }
 287                 }
 288         if (p == NULL)
 289                 p=in;
 290         n=strlen(p);
 291
 292 #if defined(OPENSSL_SYS_NETWARE)
 293    /* strip off trailing .nlm if present. */
 294    if ((n > 4) && (p[n-4] == '.') &&
 295       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 296       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 297       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 298       n-=4;
 299 #else
 300         /* strip off trailing .exe if present. */
 301         if ((n > 4) && (p[n-4] == '.') &&
 302                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 303                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 304                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 305                 n-=4;
 306 #endif
 307
 308         if (n > size-1)
 309                 n=size-1;
 310
 311         for (i=0; i<n; i++)
 312                 {
 313                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 314                         out[i]=p[i]-'A'+'a';
 315                 else
 316                         out[i]=p[i];
 317                 }
 318         out[n]='\0';
 319         }
 320 #else
 321 #ifdef OPENSSL_SYS_VMS
 322 void program_name(char *in, char *out, int size)
 323         {
 324         char *p=in, *q;
 325         char *chars=":]>";
 326
 327         while(*chars != '\0')
 328                 {
 329                 q=strrchr(p,*chars);
 330                 if (q > p)
 331                         p = q + 1;
 332                 chars++;
 333                 }
 334
 335         q=strrchr(p,'.');
 336         if (q == NULL)
 337                 q = p + strlen(p);
 338         strncpy(out,p,size-1);
 339         if (q-p >= size)
 340                 {
 341                 out[size-1]='\0';
 342                 }
 343         else
 344                 {
 345                 out[q-p]='\0';
 346                 }
 347         }
 348 #else
 349 void program_name(char *in, char *out, int size)
 350         {
 351         char *p;
 352
 353         p=strrchr(in,'/');
 354         if (p != NULL)
 355                 p++;
 356         else
 357                 p=in;
 358         BUF_strlcpy(out,p,size);
 359         }
 360 #endif
 361 #endif
 362
 363 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 364         {
 365         int num,len,i;
 366         char *p;
 367
 368         *argc=0;
 369         *argv=NULL;
 370
 371         len=strlen(buf);
 372         i=0;
 373         if (arg->count == 0)
 374                 {
 375                 arg->count=20;
 376                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 377                 }
 378         for (i=0; i<arg->count; i++)
 379                 arg->data[i]=NULL;
 380
 381         num=0;
 382         p=buf;
 383         for (;;)
 384                 {
 385                 /* first scan over white space */
 386                 if (!*p) break;
 387                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 388                         p++;
 389                 if (!*p) break;
 390
 391                 /* The start of something good :-) */
 392                 if (num >= arg->count)
 393                         {
 394                         char **tmp_p;
 395                         int tlen = arg->count + 20;
 396                         tmp_p = (char **)OPENSSL_realloc(arg->data,
 397                                 sizeof(char *)*tlen);
 398                         if (tmp_p == NULL)
 399                                 return 0;
 400                         arg->data  = tmp_p;
 401                         arg->count = tlen;
 402                         /* initialize newly allocated data */
 403                         for (i = num; i < arg->count; i++)
 404                                 arg->data[i] = NULL;
 405                         }
 406                 arg->data[num++]=p;
 407
 408                 /* now look for the end of this */
 409                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 410                         {
 411                         i= *(p++);
 412                         arg->data[num-1]++; /* jump over quote */
 413                         while (*p && (*p != i))
 414                                 p++;
 415                         *p='\0';
 416                         }
 417                 else
 418                         {
 419                         while (*p && ((*p != ' ') &&
 420                                 (*p != '\t') && (*p != '\n')))
 421                                 p++;
 422
 423                         if (*p == '\0')
 424                                 p--;
 425                         else
 426                                 *p='\0';
 427                         }
 428                 p++;
 429                 }
 430         *argc=num;
 431         *argv=arg->data;
 432         return(1);
 433         }
 434
 435 #ifndef APP_INIT
 436 int app_init(long mesgwin)
 437         {
 438         return(1);
 439         }
 440 #endif
 441
 442
 443 int dump_cert_text (BIO *out, X509 *x)
 444 {
 445         char *p;
 446
 447         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 448         BIO_puts(out,"subject=");
 449         BIO_puts(out,p);
 450         OPENSSL_free(p);
 451
 452         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 453         BIO_puts(out,"\nissuer=");
 454         BIO_puts(out,p);
 455         BIO_puts(out,"\n");
 456         OPENSSL_free(p);
 457
 458         return 0;
 459 }
 460
 461 static int ui_open(UI *ui)
 462         {
 463         return UI_method_get_opener(UI_OpenSSL())(ui);
 464         }
 465 static int ui_read(UI *ui, UI_STRING *uis)
 466         {
 467         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 468                 && UI_get0_user_data(ui))
 469                 {
 470                 switch(UI_get_string_type(uis))
 471                         {
 472                 case UIT_PROMPT:
 473                 case UIT_VERIFY:
 474                         {
 475                         const char *password =
 476                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 477                         if (password && password[0] != '\0')
 478                                 {
 479                                 UI_set_result(ui, uis, password);
 480                                 return 1;
 481                                 }
 482                         }
 483                 default:
 484                         break;
 485                         }
 486                 }
 487         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 488         }
 489 static int ui_write(UI *ui, UI_STRING *uis)
 490         {
 491         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 492                 && UI_get0_user_data(ui))
 493                 {
 494                 switch(UI_get_string_type(uis))
 495                         {
 496                 case UIT_PROMPT:
 497                 case UIT_VERIFY:
 498                         {
 499                         const char *password =
 500                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 501                         if (password && password[0] != '\0')
 502                                 return 1;
 503                         }
 504                 default:
 505                         break;
 506                         }
 507                 }
 508         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 509         }
 510 static int ui_close(UI *ui)
 511         {
 512         return UI_method_get_closer(UI_OpenSSL())(ui);
 513         }
 514 int setup_ui_method(void)
 515         {
 516         ui_method = UI_create_method("OpenSSL application user interface");
 517         UI_method_set_opener(ui_method, ui_open);
 518         UI_method_set_reader(ui_method, ui_read);
 519         UI_method_set_writer(ui_method, ui_write);
 520         UI_method_set_closer(ui_method, ui_close);
 521         return 0;
 522         }
 523 void destroy_ui_method(void)
 524         {
 525         if(ui_method)
 526                 {
 527                 UI_destroy_method(ui_method);
 528                 ui_method = NULL;
 529                 }
 530         }
 531 int password_callback(char *buf, int bufsiz, int verify,
 532         PW_CB_DATA *cb_tmp)
 533         {
 534         UI *ui = NULL;
 535         int res = 0;
 536         const char *prompt_info = NULL;
 537         const char *password = NULL;
 538         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 539
 540         if (cb_data)
 541                 {
 542                 if (cb_data->password)
 543                         password = cb_data->password;
 544                 if (cb_data->prompt_info)
 545                         prompt_info = cb_data->prompt_info;
 546                 }
 547
 548         if (password)
 549                 {
 550                 res = strlen(password);
 551                 if (res > bufsiz)
 552                         res = bufsiz;
 553                 memcpy(buf, password, res);
 554                 return res;
 555                 }
 556
 557         ui = UI_new_method(ui_method);
 558         if (ui)
 559                 {
 560                 int ok = 0;
 561                 char *buff = NULL;
 562                 int ui_flags = 0;
 563                 char *prompt = NULL;
 564
 565                 prompt = UI_construct_prompt(ui, "pass phrase",
 566                         prompt_info);
 567
 568                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 569                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 570
 571                 if (ok >= 0)
 572                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 573                                 PW_MIN_LENGTH,BUFSIZ-1);
 574                 if (ok >= 0 && verify)
 575                         {
 576                         buff = (char *)OPENSSL_malloc(bufsiz);
 577                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 578                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 579                         }
 580                 if (ok >= 0)
 581                         do
 582                                 {
 583                                 ok = UI_process(ui);
 584                                 }
 585                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 586
 587                 if (buff)
 588                         {
 589                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 590                         OPENSSL_free(buff);
 591                         }
 592
 593                 if (ok >= 0)
 594                         res = strlen(buf);
 595                 if (ok == -1)
 596                         {
 597                         BIO_printf(bio_err, "User interface error\n");
 598                         ERR_print_errors(bio_err);
 599                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 600                         res = 0;
 601                         }
 602                 if (ok == -2)
 603                         {
 604                         BIO_printf(bio_err,"aborted!\n");
 605                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 606                         res = 0;
 607                         }
 608                 UI_free(ui);
 609                 OPENSSL_free(prompt);
 610                 }
 611         return res;
 612         }
 613
 614 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 615
 616 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 617 {
 618         int same;
 619         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 620         else same = 1;
 621         if(arg1) {
 622                 *pass1 = app_get_pass(err, arg1, same);
 623                 if(!*pass1) return 0;
 624         } else if(pass1) *pass1 = NULL;
 625         if(arg2) {
 626                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 627                 if(!*pass2) return 0;
 628         } else if(pass2) *pass2 = NULL;
 629         return 1;
 630 }
 631
 632 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 633 {
 634         char *tmp, tpass[APP_PASS_LEN];
 635         static BIO *pwdbio = NULL;
 636         int i;
 637         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 638         if(!strncmp(arg, "env:", 4)) {
 639                 tmp = getenv(arg + 4);
 640                 if(!tmp) {
 641                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 642                         return NULL;
 643                 }
 644                 return BUF_strdup(tmp);
 645         }
 646         if(!keepbio || !pwdbio) {
 647                 if(!strncmp(arg, "file:", 5)) {
 648                         pwdbio = BIO_new_file(arg + 5, "r");
 649                         if(!pwdbio) {
 650                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 651                                 return NULL;
 652                         }
 653 #if !defined(_WIN32)
 654                 /*
 655                  * Under _WIN32, which covers even Win64 and CE, file
 656                  * descriptors referenced by BIO_s_fd are not inherited
 657                  * by child process and therefore below is not an option.
 658                  * It could have been an option if bss_fd.c was operating
 659                  * on real Windows descriptors, such as those obtained
 660                  * with CreateFile.
 661                  */
 662                 } else if(!strncmp(arg, "fd:", 3)) {
 663                         BIO *btmp;
 664                         i = atoi(arg + 3);
 665                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 666                         if((i < 0) || !pwdbio) {
 667                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 668                                 return NULL;
 669                         }
 670                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 671                         btmp = BIO_new(BIO_f_buffer());
 672                         pwdbio = BIO_push(btmp, pwdbio);
 673 #endif
 674                 } else if(!strcmp(arg, "stdin")) {
 675                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 676                         if(!pwdbio) {
 677                                 BIO_printf(err, "Can't open BIO for stdin\n");
 678                                 return NULL;
 679                         }
 680                 } else {
 681                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 682                         return NULL;
 683                 }
 684         }
 685         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 686         if(keepbio != 1) {
 687                 BIO_free_all(pwdbio);
 688                 pwdbio = NULL;
 689         }
 690         if(i <= 0) {
 691                 BIO_printf(err, "Error reading password from BIO\n");
 692                 return NULL;
 693         }
 694         tmp = strchr(tpass, '\n');
 695         if(tmp) *tmp = 0;
 696         return BUF_strdup(tpass);
 697 }
 698
 699 int add_oid_section(BIO *err, CONF *conf)
 700 {
 701         char *p;
 702         STACK_OF(CONF_VALUE) *sktmp;
 703         CONF_VALUE *cnf;
 704         int i;
 705         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 706                 {
 707                 ERR_clear_error();
 708                 return 1;
 709                 }
 710         if(!(sktmp = NCONF_get_section(conf, p))) {
 711                 BIO_printf(err, "problem loading oid section %s\n", p);
 712                 return 0;
 713         }
 714         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 715                 cnf = sk_CONF_VALUE_value(sktmp, i);
 716                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 717                         BIO_printf(err, "problem creating object %s=%s\n",
 718                                                          cnf->name, cnf->value);
 719                         return 0;
 720                 }
 721         }
 722         return 1;
 723 }
 724
 725 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 726                 pem_password_cb *pem_cb,  void *cb_data,
 727                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 728         {
 729         const char *pass;
 730         char tpass[PEM_BUFSIZE];
 731         int len, ret = 0;
 732         PKCS12 *p12;
 733         p12 = d2i_PKCS12_bio(in, NULL);
 734         if (p12 == NULL)
 735                 {
 736                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 737                 goto die;
 738                 }
 739         /* See if an empty password will do */
 740         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 741                 pass = "";
 742         else
 743                 {
 744                 if (!pem_cb)
 745                         pem_cb = (pem_password_cb *)password_callback;
 746                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 747                 if (len < 0)
 748                         {
 749                         BIO_printf(err, "Passpharse callback error for %s\n",
 750                                         desc);
 751                         goto die;
 752                         }
 753                 if (len < PEM_BUFSIZE)
 754                         tpass[len] = 0;
 755                 if (!PKCS12_verify_mac(p12, tpass, len))
 756                         {
 757                         BIO_printf(err,
 758         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 759                         goto die;
 760                         }
 761                 pass = tpass;
 762                 }
 763         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 764         die:
 765         if (p12)
 766                 PKCS12_free(p12);
 767         return ret;
 768         }
 769
 770 X509 *load_cert(BIO *err, const char *file, int format,
 771         const char *pass, ENGINE *e, const char *cert_descrip)
 772         {
 773         X509 *x=NULL;
 774         BIO *cert;
 775
 776         if ((cert=BIO_new(BIO_s_file())) == NULL)
 777                 {
 778                 ERR_print_errors(err);
 779                 goto end;
 780                 }
 781
 782         if (file == NULL)
 783                 {
 784 #ifdef _IONBF
 785                 setvbuf(stdin, NULL, _IONBF, 0);
 786 #endif
 787                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 788                 }
 789         else
 790                 {
 791                 if (BIO_read_filename(cert,file) <= 0)
 792                         {
 793                         BIO_printf(err, "Error opening %s %s\n",
 794                                 cert_descrip, file);
 795                         ERR_print_errors(err);
 796                         goto end;
 797                         }
 798                 }
 799
 800         if      (format == FORMAT_ASN1)
 801                 x=d2i_X509_bio(cert,NULL);
 802         else if (format == FORMAT_NETSCAPE)
 803                 {
 804                 NETSCAPE_X509 *nx;
 805                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
 806                 if (nx == NULL)
 807                                 goto end;
 808
 809                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
 810                         nx->header->length) != 0))
 811                         {
 812                         NETSCAPE_X509_free(nx);
 813                         BIO_printf(err,"Error reading header on certificate\n");
 814                         goto end;
 815                         }
 816                 x=nx->cert;
 817                 nx->cert = NULL;
 818                 NETSCAPE_X509_free(nx);
 819                 }
 820         else if (format == FORMAT_PEM)
 821                 x=PEM_read_bio_X509_AUX(cert,NULL,
 822                         (pem_password_cb *)password_callback, NULL);
 823         else if (format == FORMAT_PKCS12)
 824                 {
 825                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 826                                         NULL, &x, NULL))
 827                         goto end;
 828                 }
 829         else    {
 830                 BIO_printf(err,"bad input format specified for %s\n",
 831                         cert_descrip);
 832                 goto end;
 833                 }
 834 end:
 835         if (x == NULL)
 836                 {
 837                 BIO_printf(err,"unable to load certificate\n");
 838                 ERR_print_errors(err);
 839                 }
 840         if (cert != NULL) BIO_free(cert);
 841         return(x);
 842         }
 843
 844 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 845         const char *pass, ENGINE *e, const char *key_descrip)
 846         {
 847         BIO *key=NULL;
 848         EVP_PKEY *pkey=NULL;
 849         PW_CB_DATA cb_data;
 850
 851         cb_data.password = pass;
 852         cb_data.prompt_info = file;
 853
 854         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 855                 {
 856                 BIO_printf(err,"no keyfile specified\n");
 857                 goto end;
 858                 }
 859 #ifndef OPENSSL_NO_ENGINE
 860         if (format == FORMAT_ENGINE)
 861                 {
 862                 if (!e)
 863                         BIO_printf(bio_err,"no engine specified\n");
 864                 else
 865                         pkey = ENGINE_load_private_key(e, file,
 866                                 ui_method, &cb_data);
 867                 goto end;
 868                 }
 869 #endif
 870         key=BIO_new(BIO_s_file());
 871         if (key == NULL)
 872                 {
 873                 ERR_print_errors(err);
 874                 goto end;
 875                 }
 876         if (file == NULL && maybe_stdin)
 877                 {
 878 #ifdef _IONBF
 879                 setvbuf(stdin, NULL, _IONBF, 0);
 880 #endif
 881                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 882                 }
 883         else
 884                 if (BIO_read_filename(key,file) <= 0)
 885                         {
 886                         BIO_printf(err, "Error opening %s %s\n",
 887                                 key_descrip, file);
 888                         ERR_print_errors(err);
 889                         goto end;
 890                         }
 891         if (format == FORMAT_ASN1)
 892                 {
 893                 pkey=d2i_PrivateKey_bio(key, NULL);
 894                 }
 895         else if (format == FORMAT_PEM)
 896                 {
 897                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 898                         (pem_password_cb *)password_callback, &cb_data);
 899                 }
 900 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 901         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 902                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 903 #endif
 904         else if (format == FORMAT_PKCS12)
 905                 {
 906                 if (!load_pkcs12(err, key, key_descrip,
 907                                 (pem_password_cb *)password_callback, &cb_data,
 908                                 &pkey, NULL, NULL))
 909                         goto end;
 910                 }
 911         else if (format == FORMAT_MSBLOB)
 912                 pkey = b2i_PrivateKey_bio(key);
 913         else if (format == FORMAT_PVK)
 914                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
 915                                                                 &cb_data);
 916         else
 917                 {
 918                 BIO_printf(err,"bad input format specified for key file\n");
 919                 goto end;
 920                 }
 921  end:
 922         if (key != NULL) BIO_free(key);
 923         if (pkey == NULL)
 924                 BIO_printf(err,"unable to load %s\n", key_descrip);
 925         return(pkey);
 926         }
 927
 928 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 929         const char *pass, ENGINE *e, const char *key_descrip)
 930         {
 931         BIO *key=NULL;
 932         EVP_PKEY *pkey=NULL;
 933         PW_CB_DATA cb_data;
 934
 935         cb_data.password = pass;
 936         cb_data.prompt_info = file;
 937
 938         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 939                 {
 940                 BIO_printf(err,"no keyfile specified\n");
 941                 goto end;
 942                 }
 943 #ifndef OPENSSL_NO_ENGINE
 944         if (format == FORMAT_ENGINE)
 945                 {
 946                 if (!e)
 947                         BIO_printf(bio_err,"no engine specified\n");
 948                 else
 949                         pkey = ENGINE_load_public_key(e, file,
 950                                 ui_method, &cb_data);
 951                 goto end;
 952                 }
 953 #endif
 954         key=BIO_new(BIO_s_file());
 955         if (key == NULL)
 956                 {
 957                 ERR_print_errors(err);
 958                 goto end;
 959                 }
 960         if (file == NULL && maybe_stdin)
 961                 {
 962 #ifdef _IONBF
 963                 setvbuf(stdin, NULL, _IONBF, 0);
 964 #endif
 965                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 966                 }
 967         else
 968                 if (BIO_read_filename(key,file) <= 0)
 969                         {
 970                         BIO_printf(err, "Error opening %s %s\n",
 971                                 key_descrip, file);
 972                         ERR_print_errors(err);
 973                         goto end;
 974                 }
 975         if (format == FORMAT_ASN1)
 976                 {
 977                 pkey=d2i_PUBKEY_bio(key, NULL);
 978                 }
 979         else if (format == FORMAT_ASN1RSA)
 980                 {
 981                 RSA *rsa;
 982                 rsa = d2i_RSAPublicKey_bio(key, NULL);
 983                 if (rsa)
 984                         {
 985                         pkey = EVP_PKEY_new();
 986                         if (pkey)
 987                                 EVP_PKEY_set1_RSA(pkey, rsa);
 988                         RSA_free(rsa);
 989                         }
 990                 else
 991                         pkey = NULL;
 992                 }
 993         else if (format == FORMAT_PEMRSA)
 994                 {
 995                 RSA *rsa;
 996                 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
 997                         (pem_password_cb *)password_callback, &cb_data);
 998                 if (rsa)
 999                         {
1000                         pkey = EVP_PKEY_new();
1001                         if (pkey)
1002                                 EVP_PKEY_set1_RSA(pkey, rsa);
1003                         RSA_free(rsa);
1004                         }
1005                 else
1006                         pkey = NULL;
1007                 }
1008
1009         else if (format == FORMAT_PEM)
1010                 {
1011                 pkey=PEM_read_bio_PUBKEY(key,NULL,
1012                         (pem_password_cb *)password_callback, &cb_data);
1013                 }
1014 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1015         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1016                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1017 #endif
1018         else if (format == FORMAT_MSBLOB)
1019                 pkey = b2i_PublicKey_bio(key);
1020         else
1021                 {
1022                 BIO_printf(err,"bad input format specified for key file\n");
1023                 goto end;
1024                 }
1025  end:
1026         if (key != NULL) BIO_free(key);
1027         if (pkey == NULL)
1028                 BIO_printf(err,"unable to load %s\n", key_descrip);
1029         return(pkey);
1030         }
1031
1032 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1033 static EVP_PKEY *
1034 load_netscape_key(BIO *err, BIO *key, const char *file,
1035                 const char *key_descrip, int format)
1036         {
1037         EVP_PKEY *pkey;
1038         BUF_MEM *buf;
1039         RSA     *rsa;
1040         const unsigned char *p;
1041         int size, i;
1042
1043         buf=BUF_MEM_new();
1044         pkey = EVP_PKEY_new();
1045         size = 0;
1046         if (buf == NULL || pkey == NULL)
1047                 goto error;
1048         for (;;)
1049                 {
1050                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1051                         goto error;
1052                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1053                 size += i;
1054                 if (i == 0)
1055                         break;
1056                 if (i < 0)
1057                         {
1058                                 BIO_printf(err, "Error reading %s %s",
1059                                         key_descrip, file);
1060                                 goto error;
1061                         }
1062                 }
1063         p=(unsigned char *)buf->data;
1064         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1065                 (format == FORMAT_IISSGC ? 1 : 0));
1066         if (rsa == NULL)
1067                 goto error;
1068         BUF_MEM_free(buf);
1069         EVP_PKEY_set1_RSA(pkey, rsa);
1070         return pkey;
1071 error:
1072         BUF_MEM_free(buf);
1073         EVP_PKEY_free(pkey);
1074         return NULL;
1075         }
1076 #endif /* ndef OPENSSL_NO_RC4 */
1077
1078 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1079         const char *pass, ENGINE *e, const char *cert_descrip)
1080         {
1081         BIO *certs;
1082         int i;
1083         STACK_OF(X509) *othercerts = NULL;
1084         STACK_OF(X509_INFO) *allcerts = NULL;
1085         X509_INFO *xi;
1086         PW_CB_DATA cb_data;
1087
1088         cb_data.password = pass;
1089         cb_data.prompt_info = file;
1090
1091         if((certs = BIO_new(BIO_s_file())) == NULL)
1092                 {
1093                 ERR_print_errors(err);
1094                 goto end;
1095                 }
1096
1097         if (file == NULL)
1098                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1099         else
1100                 {
1101                 if (BIO_read_filename(certs,file) <= 0)
1102                         {
1103                         BIO_printf(err, "Error opening %s %s\n",
1104                                 cert_descrip, file);
1105                         ERR_print_errors(err);
1106                         goto end;
1107                         }
1108                 }
1109
1110         if      (format == FORMAT_PEM)
1111                 {
1112                 othercerts = sk_X509_new_null();
1113                 if(!othercerts)
1114                         {
1115                         sk_X509_free(othercerts);
1116                         othercerts = NULL;
1117                         goto end;
1118                         }
1119                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1120                                 (pem_password_cb *)password_callback, &cb_data);
1121                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1122                         {
1123                         xi = sk_X509_INFO_value (allcerts, i);
1124                         if (xi->x509)
1125                                 {
1126                                 sk_X509_push(othercerts, xi->x509);
1127                                 xi->x509 = NULL;
1128                                 }
1129                         }
1130                 goto end;
1131                 }
1132         else    {
1133                 BIO_printf(err,"bad input format specified for %s\n",
1134                         cert_descrip);
1135                 goto end;
1136                 }
1137 end:
1138         if (othercerts == NULL)
1139                 {
1140                 BIO_printf(err,"unable to load certificates\n");
1141                 ERR_print_errors(err);
1142                 }
1143         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1144         if (certs != NULL) BIO_free(certs);
1145         return(othercerts);
1146         }
1147
1148
1149 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1150 /* Return error for unknown extensions */
1151 #define X509V3_EXT_DEFAULT              0
1152 /* Print error for unknown extensions */
1153 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1154 /* ASN1 parse unknown extensions */
1155 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1156 /* BIO_dump unknown extensions */
1157 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1158
1159 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1160                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1161
1162 int set_cert_ex(unsigned long *flags, const char *arg)
1163 {
1164         static const NAME_EX_TBL cert_tbl[] = {
1165                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1166                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1167                 { "no_header", X509_FLAG_NO_HEADER, 0},
1168                 { "no_version", X509_FLAG_NO_VERSION, 0},
1169                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1170                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1171                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1172                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1173                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1174                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1175                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1176                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1177                 { "no_aux", X509_FLAG_NO_AUX, 0},
1178                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1179                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1180                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1181                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1182                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1183                 { NULL, 0, 0}
1184         };
1185         return set_multi_opts(flags, arg, cert_tbl);
1186 }
1187
1188 int set_name_ex(unsigned long *flags, const char *arg)
1189 {
1190         static const NAME_EX_TBL ex_tbl[] = {
1191                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1192                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1193                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1194                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1195                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1196                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1197                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1198                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1199                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1200                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1201                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1202                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1203                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1204                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1205                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1206                 { "dn_rev", XN_FLAG_DN_REV, 0},
1207                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1208                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1209                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1210                 { "align", XN_FLAG_FN_ALIGN, 0},
1211                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1212                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1213                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1214                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1215                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1216                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1217                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1218                 { NULL, 0, 0}
1219         };
1220         return set_multi_opts(flags, arg, ex_tbl);
1221 }
1222
1223 int set_ext_copy(int *copy_type, const char *arg)
1224 {
1225         if (!strcasecmp(arg, "none"))
1226                 *copy_type = EXT_COPY_NONE;
1227         else if (!strcasecmp(arg, "copy"))
1228                 *copy_type = EXT_COPY_ADD;
1229         else if (!strcasecmp(arg, "copyall"))
1230                 *copy_type = EXT_COPY_ALL;
1231         else
1232                 return 0;
1233         return 1;
1234 }
1235
1236 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1237 {
1238         STACK_OF(X509_EXTENSION) *exts = NULL;
1239         X509_EXTENSION *ext, *tmpext;
1240         ASN1_OBJECT *obj;
1241         int i, idx, ret = 0;
1242         if (!x || !req || (copy_type == EXT_COPY_NONE))
1243                 return 1;
1244         exts = X509_REQ_get_extensions(req);
1245
1246         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1247                 ext = sk_X509_EXTENSION_value(exts, i);
1248                 obj = X509_EXTENSION_get_object(ext);
1249                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1250                 /* Does extension exist? */
1251                 if (idx != -1) {
1252                         /* If normal copy don't override existing extension */
1253                         if (copy_type == EXT_COPY_ADD)
1254                                 continue;
1255                         /* Delete all extensions of same type */
1256                         do {
1257                                 tmpext = X509_get_ext(x, idx);
1258                                 X509_delete_ext(x, idx);
1259                                 X509_EXTENSION_free(tmpext);
1260                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1261                         } while (idx != -1);
1262                 }
1263                 if (!X509_add_ext(x, ext, -1))
1264                         goto end;
1265         }
1266
1267         ret = 1;
1268
1269         end:
1270
1271         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1272
1273         return ret;
1274 }
1275
1276
1277
1278
1279 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1280 {
1281         STACK_OF(CONF_VALUE) *vals;
1282         CONF_VALUE *val;
1283         int i, ret = 1;
1284         if(!arg) return 0;
1285         vals = X509V3_parse_list(arg);
1286         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1287                 val = sk_CONF_VALUE_value(vals, i);
1288                 if (!set_table_opts(flags, val->name, in_tbl))
1289                         ret = 0;
1290         }
1291         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1292         return ret;
1293 }
1294
1295 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1296 {
1297         char c;
1298         const NAME_EX_TBL *ptbl;
1299         c = arg[0];
1300
1301         if(c == '-') {
1302                 c = 0;
1303                 arg++;
1304         } else if (c == '+') {
1305                 c = 1;
1306                 arg++;
1307         } else c = 1;
1308
1309         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1310                 if(!strcasecmp(arg, ptbl->name)) {
1311                         *flags &= ~ptbl->mask;
1312                         if(c) *flags |= ptbl->flag;
1313                         else *flags &= ~ptbl->flag;
1314                         return 1;
1315                 }
1316         }
1317         return 0;
1318 }
1319
1320 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1321 {
1322         char *buf;
1323         char mline = 0;
1324         int indent = 0;
1325
1326         if(title) BIO_puts(out, title);
1327         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1328                 mline = 1;
1329                 indent = 4;
1330         }
1331         if(lflags == XN_FLAG_COMPAT) {
1332                 buf = X509_NAME_oneline(nm, 0, 0);
1333                 BIO_puts(out, buf);
1334                 BIO_puts(out, "\n");
1335                 OPENSSL_free(buf);
1336         } else {
1337                 if(mline) BIO_puts(out, "\n");
1338                 X509_NAME_print_ex(out, nm, indent, lflags);
1339                 BIO_puts(out, "\n");
1340         }
1341 }
1342
1343 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1344 {
1345         X509_STORE *store;
1346         X509_LOOKUP *lookup;
1347         if(!(store = X509_STORE_new())) goto end;
1348         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1349         if (lookup == NULL) goto end;
1350         if (CAfile) {
1351                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1352                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1353                         goto end;
1354                 }
1355         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1356
1357         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1358         if (lookup == NULL) goto end;
1359         if (CApath) {
1360                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1361                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1362                         goto end;
1363                 }
1364         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1365
1366         ERR_clear_error();
1367         return store;
1368         end:
1369         X509_STORE_free(store);
1370         return NULL;
1371 }
1372
1373 #ifndef OPENSSL_NO_ENGINE
1374 /* Try to load an engine in a shareable library */
1375 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1376         {
1377         ENGINE *e = ENGINE_by_id("dynamic");
1378         if (e)
1379                 {
1380                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1381                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1382                         {
1383                         ENGINE_free(e);
1384                         e = NULL;
1385                         }
1386                 }
1387         return e;
1388         }
1389
1390 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1391         {
1392         ENGINE *e = NULL;
1393
1394         if (engine)
1395                 {
1396                 if(strcmp(engine, "auto") == 0)
1397                         {
1398                         BIO_printf(err,"enabling auto ENGINE support\n");
1399                         ENGINE_register_all_complete();
1400                         return NULL;
1401                         }
1402                 if((e = ENGINE_by_id(engine)) == NULL
1403                         && (e = try_load_engine(err, engine, debug)) == NULL)
1404                         {
1405                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1406                         ERR_print_errors(err);
1407                         return NULL;
1408                         }
1409                 if (debug)
1410                         {
1411                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1412                                 0, err, 0);
1413                         }
1414                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1415                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1416                         {
1417                         BIO_printf(err,"can't use that engine\n");
1418                         ERR_print_errors(err);
1419                         ENGINE_free(e);
1420                         return NULL;
1421                         }
1422
1423                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1424
1425                 /* Free our "structural" reference. */
1426                 ENGINE_free(e);
1427                 }
1428         return e;
1429         }
1430 #endif
1431
1432 int load_config(BIO *err, CONF *cnf)
1433         {
1434         if (!cnf)
1435                 cnf = config;
1436         if (!cnf)
1437                 return 1;
1438
1439         OPENSSL_load_builtin_modules();
1440
1441         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1442                 {
1443                 BIO_printf(err, "Error configuring OpenSSL\n");
1444                 ERR_print_errors(err);
1445                 return 0;
1446                 }
1447         return 1;
1448         }
1449
1450 char *make_config_name()
1451         {
1452         const char *t=X509_get_default_cert_area();
1453         size_t len;
1454         char *p;
1455
1456         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1457         p=OPENSSL_malloc(len);
1458         BUF_strlcpy(p,t,len);
1459 #ifndef OPENSSL_SYS_VMS
1460         BUF_strlcat(p,"/",len);
1461 #endif
1462         BUF_strlcat(p,OPENSSL_CONF,len);
1463
1464         return p;
1465         }
1466
1467 static unsigned long index_serial_hash(const char **a)
1468         {
1469         const char *n;
1470
1471         n=a[DB_serial];
1472         while (*n == '0') n++;
1473         return(lh_strhash(n));
1474         }
1475
1476 static int index_serial_cmp(const char **a, const char **b)
1477         {
1478         const char *aa,*bb;
1479
1480         for (aa=a[DB_serial]; *aa == '0'; aa++);
1481         for (bb=b[DB_serial]; *bb == '0'; bb++);
1482         return(strcmp(aa,bb));
1483         }
1484
1485 static int index_name_qual(char **a)
1486         { return(a[0][0] == 'V'); }
1487
1488 static unsigned long index_name_hash(const char **a)
1489         { return(lh_strhash(a[DB_name])); }
1490
1491 int index_name_cmp(const char **a, const char **b)
1492         { return(strcmp(a[DB_name],
1493              b[DB_name])); }
1494
1495 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1496 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1497 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1498 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1499
1500 #undef BSIZE
1501 #define BSIZE 256
1502
1503 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1504         {
1505         BIO *in=NULL;
1506         BIGNUM *ret=NULL;
1507         MS_STATIC char buf[1024];
1508         ASN1_INTEGER *ai=NULL;
1509
1510         ai=ASN1_INTEGER_new();
1511         if (ai == NULL) goto err;
1512
1513         if ((in=BIO_new(BIO_s_file())) == NULL)
1514                 {
1515                 ERR_print_errors(bio_err);
1516                 goto err;
1517                 }
1518
1519         if (BIO_read_filename(in,serialfile) <= 0)
1520                 {
1521                 if (!create)
1522                         {
1523                         perror(serialfile);
1524                         goto err;
1525                         }
1526                 else
1527                         {
1528                         ret=BN_new();
1529                         if (ret == NULL || !rand_serial(ret, ai))
1530                                 BIO_printf(bio_err, "Out of memory\n");
1531                         }
1532                 }
1533         else
1534                 {
1535                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1536                         {
1537                         BIO_printf(bio_err,"unable to load number from %s\n",
1538                                 serialfile);
1539                         goto err;
1540                         }
1541                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1542                 if (ret == NULL)
1543                         {
1544                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1545                         goto err;
1546                         }
1547                 }
1548
1549         if (ret && retai)
1550                 {
1551                 *retai = ai;
1552                 ai = NULL;
1553                 }
1554  err:
1555         if (in != NULL) BIO_free(in);
1556         if (ai != NULL) ASN1_INTEGER_free(ai);
1557         return(ret);
1558         }
1559
1560 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1561         {
1562         char buf[1][BSIZE];
1563         BIO *out = NULL;
1564         int ret=0;
1565         ASN1_INTEGER *ai=NULL;
1566         int j;
1567
1568         if (suffix == NULL)
1569                 j = strlen(serialfile);
1570         else
1571                 j = strlen(serialfile) + strlen(suffix) + 1;
1572         if (j >= BSIZE)
1573                 {
1574                 BIO_printf(bio_err,"file name too long\n");
1575                 goto err;
1576                 }
1577
1578         if (suffix == NULL)
1579                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1580         else
1581                 {
1582 #ifndef OPENSSL_SYS_VMS
1583                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1584 #else
1585                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1586 #endif
1587                 }
1588 #ifdef RL_DEBUG
1589         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1590 #endif
1591         out=BIO_new(BIO_s_file());
1592         if (out == NULL)
1593                 {
1594                 ERR_print_errors(bio_err);
1595                 goto err;
1596                 }
1597         if (BIO_write_filename(out,buf[0]) <= 0)
1598                 {
1599                 perror(serialfile);
1600                 goto err;
1601                 }
1602
1603         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1604                 {
1605                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1606                 goto err;
1607                 }
1608         i2a_ASN1_INTEGER(out,ai);
1609         BIO_puts(out,"\n");
1610         ret=1;
1611         if (retai)
1612                 {
1613                 *retai = ai;
1614                 ai = NULL;
1615                 }
1616 err:
1617         if (out != NULL) BIO_free_all(out);
1618         if (ai != NULL) ASN1_INTEGER_free(ai);
1619         return(ret);
1620         }
1621
1622 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1623         {
1624         char buf[5][BSIZE];
1625         int i,j;
1626         struct stat sb;
1627
1628         i = strlen(serialfile) + strlen(old_suffix);
1629         j = strlen(serialfile) + strlen(new_suffix);
1630         if (i > j) j = i;
1631         if (j + 1 >= BSIZE)
1632                 {
1633                 BIO_printf(bio_err,"file name too long\n");
1634                 goto err;
1635                 }
1636
1637 #ifndef OPENSSL_SYS_VMS
1638         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1639                 serialfile, new_suffix);
1640 #else
1641         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1642                 serialfile, new_suffix);
1643 #endif
1644 #ifndef OPENSSL_SYS_VMS
1645         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1646                 serialfile, old_suffix);
1647 #else
1648         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1649                 serialfile, old_suffix);
1650 #endif
1651         if (stat(serialfile,&sb) < 0)
1652                 {
1653                 if (errno != ENOENT
1654 #ifdef ENOTDIR
1655                         && errno != ENOTDIR
1656 #endif
1657                    )
1658                         goto err;
1659                 }
1660         else
1661                 {
1662 #ifdef RL_DEBUG
1663                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1664                         serialfile, buf[1]);
1665 #endif
1666                 if (rename(serialfile,buf[1]) < 0)
1667                         {
1668                         BIO_printf(bio_err,
1669                                 "unable to rename %s to %s\n",
1670                                 serialfile, buf[1]);
1671                         perror("reason");
1672                         goto err;
1673                         }
1674                 }
1675 #ifdef RL_DEBUG
1676         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1677                 buf[0],serialfile);
1678 #endif
1679         if (rename(buf[0],serialfile) < 0)
1680                 {
1681                 BIO_printf(bio_err,
1682                         "unable to rename %s to %s\n",
1683                         buf[0],serialfile);
1684                 perror("reason");
1685                 rename(buf[1],serialfile);
1686                 goto err;
1687                 }
1688         return 1;
1689  err:
1690         return 0;
1691         }
1692
1693 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1694         {
1695         BIGNUM *btmp;
1696         int ret = 0;
1697         if (b)
1698                 btmp = b;
1699         else
1700                 btmp = BN_new();
1701
1702         if (!btmp)
1703                 return 0;
1704
1705         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1706                 goto error;
1707         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1708                 goto error;
1709
1710         ret = 1;
1711
1712         error:
1713
1714         if (!b)
1715                 BN_free(btmp);
1716
1717         return ret;
1718         }
1719
1720 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1721         {
1722         CA_DB *retdb = NULL;
1723         TXT_DB *tmpdb = NULL;
1724         BIO *in = BIO_new(BIO_s_file());
1725         CONF *dbattr_conf = NULL;
1726         char buf[1][BSIZE];
1727         long errorline= -1;
1728
1729         if (in == NULL)
1730                 {
1731                 ERR_print_errors(bio_err);
1732                 goto err;
1733                 }
1734         if (BIO_read_filename(in,dbfile) <= 0)
1735                 {
1736                 perror(dbfile);
1737                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1738                 goto err;
1739                 }
1740         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1741                 {
1742                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1743                 goto err;
1744                 }
1745
1746 #ifndef OPENSSL_SYS_VMS
1747         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1748 #else
1749         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1750 #endif
1751         dbattr_conf = NCONF_new(NULL);
1752         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1753                 {
1754                 if (errorline > 0)
1755                         {
1756                         BIO_printf(bio_err,
1757                                 "error on line %ld of db attribute file '%s'\n"
1758                                 ,errorline,buf[0]);
1759                         goto err;
1760                         }
1761                 else
1762                         {
1763                         NCONF_free(dbattr_conf);
1764                         dbattr_conf = NULL;
1765                         }
1766                 }
1767
1768         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1769                 {
1770                 fprintf(stderr, "Out of memory\n");
1771                 goto err;
1772                 }
1773
1774         retdb->db = tmpdb;
1775         tmpdb = NULL;
1776         if (db_attr)
1777                 retdb->attributes = *db_attr;
1778         else
1779                 {
1780                 retdb->attributes.unique_subject = 1;
1781                 }
1782
1783         if (dbattr_conf)
1784                 {
1785                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1786                 if (p)
1787                         {
1788 #ifdef RL_DEBUG
1789                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1790 #endif
1791                         retdb->attributes.unique_subject = parse_yesno(p,1);
1792                         }
1793                 }
1794
1795  err:
1796         if (dbattr_conf) NCONF_free(dbattr_conf);
1797         if (tmpdb) TXT_DB_free(tmpdb);
1798         if (in) BIO_free_all(in);
1799         return retdb;
1800         }
1801
1802 int index_index(CA_DB *db)
1803         {
1804         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1805                                 LHASH_HASH_FN(index_serial_hash),
1806                                 LHASH_COMP_FN(index_serial_cmp)))
1807                 {
1808                 BIO_printf(bio_err,
1809                   "error creating serial number index:(%ld,%ld,%ld)\n",
1810                                         db->db->error,db->db->arg1,db->db->arg2);
1811                         return 0;
1812                 }
1813
1814         if (db->attributes.unique_subject
1815                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1816                         LHASH_HASH_FN(index_name_hash),
1817                         LHASH_COMP_FN(index_name_cmp)))
1818                 {
1819                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1820                         db->db->error,db->db->arg1,db->db->arg2);
1821                 return 0;
1822                 }
1823         return 1;
1824         }
1825
1826 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1827         {
1828         char buf[3][BSIZE];
1829         BIO *out = BIO_new(BIO_s_file());
1830         int j;
1831
1832         if (out == NULL)
1833                 {
1834                 ERR_print_errors(bio_err);
1835                 goto err;
1836                 }
1837
1838         j = strlen(dbfile) + strlen(suffix);
1839         if (j + 6 >= BSIZE)
1840                 {
1841                 BIO_printf(bio_err,"file name too long\n");
1842                 goto err;
1843                 }
1844
1845 #ifndef OPENSSL_SYS_VMS
1846         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1847 #else
1848         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1849 #endif
1850 #ifndef OPENSSL_SYS_VMS
1851         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1852 #else
1853         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1854 #endif
1855 #ifndef OPENSSL_SYS_VMS
1856         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1857 #else
1858         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1859 #endif
1860 #ifdef RL_DEBUG
1861         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1862 #endif
1863         if (BIO_write_filename(out,buf[0]) <= 0)
1864                 {
1865                 perror(dbfile);
1866                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1867                 goto err;
1868                 }
1869         j=TXT_DB_write(out,db->db);
1870         if (j <= 0) goto err;
1871
1872         BIO_free(out);
1873
1874         out = BIO_new(BIO_s_file());
1875 #ifdef RL_DEBUG
1876         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1877 #endif
1878         if (BIO_write_filename(out,buf[1]) <= 0)
1879                 {
1880                 perror(buf[2]);
1881                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1882                 goto err;
1883                 }
1884         BIO_printf(out,"unique_subject = %s\n",
1885                 db->attributes.unique_subject ? "yes" : "no");
1886         BIO_free(out);
1887
1888         return 1;
1889  err:
1890         return 0;
1891         }
1892
1893 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1894         {
1895         char buf[5][BSIZE];
1896         int i,j;
1897         struct stat sb;
1898
1899         i = strlen(dbfile) + strlen(old_suffix);
1900         j = strlen(dbfile) + strlen(new_suffix);
1901         if (i > j) j = i;
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[4], sizeof buf[4], "%s.attr", dbfile);
1910 #else
1911         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1912 #endif
1913 #ifndef OPENSSL_SYS_VMS
1914         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1915                 dbfile, new_suffix);
1916 #else
1917         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1918                 dbfile, new_suffix);
1919 #endif
1920 #ifndef OPENSSL_SYS_VMS
1921         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1922                 dbfile, new_suffix);
1923 #else
1924         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1925                 dbfile, new_suffix);
1926 #endif
1927 #ifndef OPENSSL_SYS_VMS
1928         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1929                 dbfile, old_suffix);
1930 #else
1931         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1932                 dbfile, old_suffix);
1933 #endif
1934 #ifndef OPENSSL_SYS_VMS
1935         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1936                 dbfile, old_suffix);
1937 #else
1938         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1939                 dbfile, old_suffix);
1940 #endif
1941         if (stat(dbfile,&sb) < 0)
1942                 {
1943                 if (errno != ENOENT
1944 #ifdef ENOTDIR
1945                         && errno != ENOTDIR
1946 #endif
1947                    )
1948                         goto err;
1949                 }
1950         else
1951                 {
1952 #ifdef RL_DEBUG
1953                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1954                         dbfile, buf[1]);
1955 #endif
1956                 if (rename(dbfile,buf[1]) < 0)
1957                         {
1958                         BIO_printf(bio_err,
1959                                 "unable to rename %s to %s\n",
1960                                 dbfile, buf[1]);
1961                         perror("reason");
1962                         goto err;
1963                         }
1964                 }
1965 #ifdef RL_DEBUG
1966         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1967                 buf[0],dbfile);
1968 #endif
1969         if (rename(buf[0],dbfile) < 0)
1970                 {
1971                 BIO_printf(bio_err,
1972                         "unable to rename %s to %s\n",
1973                         buf[0],dbfile);
1974                 perror("reason");
1975                 rename(buf[1],dbfile);
1976                 goto err;
1977                 }
1978         if (stat(buf[4],&sb) < 0)
1979                 {
1980                 if (errno != ENOENT
1981 #ifdef ENOTDIR
1982                         && errno != ENOTDIR
1983 #endif
1984                    )
1985                         goto err;
1986                 }
1987         else
1988                 {
1989 #ifdef RL_DEBUG
1990                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1991                         buf[4],buf[3]);
1992 #endif
1993                 if (rename(buf[4],buf[3]) < 0)
1994                         {
1995                         BIO_printf(bio_err,
1996                                 "unable to rename %s to %s\n",
1997                                 buf[4], buf[3]);
1998                         perror("reason");
1999                         rename(dbfile,buf[0]);
2000                         rename(buf[1],dbfile);
2001                         goto err;
2002                         }
2003                 }
2004 #ifdef RL_DEBUG
2005         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2006                 buf[2],buf[4]);
2007 #endif
2008         if (rename(buf[2],buf[4]) < 0)
2009                 {
2010                 BIO_printf(bio_err,
2011                         "unable to rename %s to %s\n",
2012                         buf[2],buf[4]);
2013                 perror("reason");
2014                 rename(buf[3],buf[4]);
2015                 rename(dbfile,buf[0]);
2016                 rename(buf[1],dbfile);
2017                 goto err;
2018                 }
2019         return 1;
2020  err:
2021         return 0;
2022         }
2023
2024 void free_index(CA_DB *db)
2025         {
2026         if (db)
2027                 {
2028                 if (db->db) TXT_DB_free(db->db);
2029                 OPENSSL_free(db);
2030                 }
2031         }
2032
2033 int parse_yesno(const char *str, int def)
2034         {
2035         int ret = def;
2036         if (str)
2037                 {
2038                 switch (*str)
2039                         {
2040                 case 'f': /* false */
2041                 case 'F': /* FALSE */
2042                 case 'n': /* no */
2043                 case 'N': /* NO */
2044                 case '0': /* 0 */
2045                         ret = 0;
2046                         break;
2047                 case 't': /* true */
2048                 case 'T': /* TRUE */
2049                 case 'y': /* yes */
2050                 case 'Y': /* YES */
2051                 case '1': /* 1 */
2052                         ret = 0;
2053                         break;
2054                 default:
2055                         ret = def;
2056                         break;
2057                         }
2058                 }
2059         return ret;
2060         }
2061
2062 /*
2063  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2064  * where characters may be escaped by \
2065  */
2066 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2067         {
2068         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2069         char *buf = OPENSSL_malloc(buflen);
2070         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2071         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2072         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2073         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2074
2075         char *sp = subject, *bp = buf;
2076         int i, ne_num = 0;
2077
2078         X509_NAME *n = NULL;
2079         int nid;
2080
2081         if (!buf || !ne_types || !ne_values)
2082                 {
2083                 BIO_printf(bio_err, "malloc error\n");
2084                 goto error;
2085                 }
2086
2087         if (*subject != '/')
2088                 {
2089                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2090                 goto error;
2091                 }
2092         sp++; /* skip leading / */
2093
2094         /* no multivalued RDN by default */
2095         mval[ne_num] = 0;
2096
2097         while (*sp)
2098                 {
2099                 /* collect type */
2100                 ne_types[ne_num] = bp;
2101                 while (*sp)
2102                         {
2103                         if (*sp == '\\') /* is there anything to escape in the type...? */
2104                                 {
2105                                 if (*++sp)
2106                                         *bp++ = *sp++;
2107                                 else
2108                                         {
2109                                         BIO_printf(bio_err, "escape character at end of string\n");
2110                                         goto error;
2111                                         }
2112                                 }
2113                         else if (*sp == '=')
2114                                 {
2115                                 sp++;
2116                                 *bp++ = '\0';
2117                                 break;
2118                                 }
2119                         else
2120                                 *bp++ = *sp++;
2121                         }
2122                 if (!*sp)
2123                         {
2124                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2125                         goto error;
2126                         }
2127                 ne_values[ne_num] = bp;
2128                 while (*sp)
2129                         {
2130                         if (*sp == '\\')
2131                                 {
2132                                 if (*++sp)
2133                                         *bp++ = *sp++;
2134                                 else
2135                                         {
2136                                         BIO_printf(bio_err, "escape character at end of string\n");
2137                                         goto error;
2138                                         }
2139                                 }
2140                         else if (*sp == '/')
2141                                 {
2142                                 sp++;
2143                                 /* no multivalued RDN by default */
2144                                 mval[ne_num+1] = 0;
2145                                 break;
2146                                 }
2147                         else if (*sp == '+' && multirdn)
2148                                 {
2149                                 /* a not escaped + signals a mutlivalued RDN */
2150                                 sp++;
2151                                 mval[ne_num+1] = -1;
2152                                 break;
2153                                 }
2154                         else
2155                                 *bp++ = *sp++;
2156                         }
2157                 *bp++ = '\0';
2158                 ne_num++;
2159                 }
2160
2161         if (!(n = X509_NAME_new()))
2162                 goto error;
2163
2164         for (i = 0; i < ne_num; i++)
2165                 {
2166                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2167                         {
2168                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2169                         continue;
2170                         }
2171
2172                 if (!*ne_values[i])
2173                         {
2174                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2175                         continue;
2176                         }
2177
2178                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2179                         goto error;
2180                 }
2181
2182         OPENSSL_free(ne_values);
2183         OPENSSL_free(ne_types);
2184         OPENSSL_free(buf);
2185         return n;
2186
2187 error:
2188         X509_NAME_free(n);
2189         if (ne_values)
2190                 OPENSSL_free(ne_values);
2191         if (ne_types)
2192                 OPENSSL_free(ne_types);
2193         if (buf)
2194                 OPENSSL_free(buf);
2195         return NULL;
2196 }
2197
2198 /* This code MUST COME AFTER anything that uses rename() */
2199 #ifdef OPENSSL_SYS_WIN32
2200 int WIN32_rename(const char *from, const char *to)
2201         {
2202 #ifndef OPENSSL_SYS_WINCE
2203         /* Windows rename gives an error if 'to' exists, so delete it
2204          * first and ignore file not found errror
2205          */
2206         if((remove(to) != 0) && (errno != ENOENT))
2207                 return -1;
2208 #undef rename
2209         return rename(from, to);
2210 #else
2211         /* convert strings to UNICODE */
2212         {
2213         BOOL result = FALSE;
2214         WCHAR* wfrom;
2215         WCHAR* wto;
2216         int i;
2217         wfrom = malloc((strlen(from)+1)*2);
2218         wto = malloc((strlen(to)+1)*2);
2219         if (wfrom != NULL && wto != NULL)
2220                 {
2221                 for (i=0; i<(int)strlen(from)+1; i++)
2222                         wfrom[i] = (short)from[i];
2223                 for (i=0; i<(int)strlen(to)+1; i++)
2224                         wto[i] = (short)to[i];
2225                 result = MoveFile(wfrom, wto);
2226                 }
2227         if (wfrom != NULL)
2228                 free(wfrom);
2229         if (wto != NULL)
2230                 free(wto);
2231         return result;
2232         }
2233 #endif
2234         }
2235 #endif
2236
2237 int args_verify(char ***pargs, int *pargc,
2238                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2239         {
2240         ASN1_OBJECT *otmp = NULL;
2241         unsigned long flags = 0;
2242         int i;
2243         int purpose = 0;
2244         char **oldargs = *pargs;
2245         char *arg = **pargs, *argn = (*pargs)[1];
2246         if (!strcmp(arg, "-policy"))
2247                 {
2248                 if (!argn)
2249                         *badarg = 1;
2250                 else
2251                         {
2252                         otmp = OBJ_txt2obj(argn, 0);
2253                         if (!otmp)
2254                                 {
2255                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2256                                                                         argn);
2257                                 *badarg = 1;
2258                                 }
2259                         }
2260                 (*pargs)++;
2261                 }
2262         else if (strcmp(arg,"-purpose") == 0)
2263                 {
2264                 X509_PURPOSE *xptmp;
2265                 if (!argn)
2266                         *badarg = 1;
2267                 else
2268                         {
2269                         i = X509_PURPOSE_get_by_sname(argn);
2270                         if(i < 0)
2271                                 {
2272                                 BIO_printf(err, "unrecognized purpose\n");
2273                                 *badarg = 1;
2274                                 }
2275                         else
2276                                 {
2277                                 xptmp = X509_PURPOSE_get0(i);
2278                                 purpose = X509_PURPOSE_get_id(xptmp);
2279                                 }
2280                         }
2281                 (*pargs)++;
2282                 }
2283         else if (!strcmp(arg, "-ignore_critical"))
2284                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2285         else if (!strcmp(arg, "-issuer_checks"))
2286                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2287         else if (!strcmp(arg, "-crl_check"))
2288                 flags |=  X509_V_FLAG_CRL_CHECK;
2289         else if (!strcmp(arg, "-crl_check_all"))
2290                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2291         else if (!strcmp(arg, "-policy_check"))
2292                 flags |= X509_V_FLAG_POLICY_CHECK;
2293         else if (!strcmp(arg, "-explicit_policy"))
2294                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2295         else if (!strcmp(arg, "-x509_strict"))
2296                 flags |= X509_V_FLAG_X509_STRICT;
2297         else if (!strcmp(arg, "-policy_print"))
2298                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2299         else
2300                 return 0;
2301
2302         if (*badarg)
2303                 {
2304                 if (*pm)
2305                         X509_VERIFY_PARAM_free(*pm);
2306                 *pm = NULL;
2307                 goto end;
2308                 }
2309
2310         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2311                 {
2312                 *badarg = 1;
2313                 goto end;
2314                 }
2315
2316         if (otmp)
2317                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2318         if (flags)
2319                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2320
2321         if (purpose)
2322                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2323
2324         end:
2325
2326         (*pargs)++;
2327
2328         if (pargc)
2329                 *pargc -= *pargs - oldargs;
2330
2331         return 1;
2332
2333         }
2334
2335 static void nodes_print(BIO *out, const char *name,
2336         STACK_OF(X509_POLICY_NODE) *nodes)
2337         {
2338         X509_POLICY_NODE *node;
2339         int i;
2340         BIO_printf(out, "%s Policies:", name);
2341         if (nodes)
2342                 {
2343                 BIO_puts(out, "\n");
2344                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2345                         {
2346                         node = sk_X509_POLICY_NODE_value(nodes, i);
2347                         X509_POLICY_NODE_print(out, node, 2);
2348                         }
2349                 }
2350         else
2351                 BIO_puts(out, " <empty>\n");
2352         }
2353
2354 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2355         {
2356         X509_POLICY_TREE *tree;
2357         int explicit_policy;
2358         int free_out = 0;
2359         if (out == NULL)
2360                 {
2361                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2362                 free_out = 1;
2363                 }
2364         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2365         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2366
2367         BIO_printf(out, "Require explicit Policy: %s\n",
2368                                 explicit_policy ? "True" : "False");
2369
2370         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2371         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2372         if (free_out)
2373                 BIO_free(out);
2374         }
2375
2376 #if defined(_WIN32)
2377 int app_isdir(const char *name)
2378         {
2379         HANDLE          hList;
2380         WIN32_FIND_DATA FileData;
2381 #if defined(UNICODE) || defined(_UNICODE)
2382         size_t i, len_0 = strlen(name)+1;
2383
2384         if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
2385                 return -1;
2386
2387 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2388         if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
2389 #endif
2390                 for (i=0;i<len_0;i++)
2391                         FileData.cFileName[i] = (WCHAR)name[i];
2392
2393         hList = FindFirstFile(FileData.cFileName,&FileData);
2394 #else
2395         hList = FindFirstFile(name,&FileData);
2396 #endif
2397         if (hList == INVALID_HANDLE_VALUE)      return -1;
2398         FindClose(hList);
2399         return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
2400         }
2401 #else
2402 #include <sys/stat.h>
2403 #ifndef S_ISDIR
2404 # if defined(_S_IFMT) && defined(_S_IFDIR)
2405 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
2406 # else
2407 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
2408 # endif
2409 #endif
2410
2411 int app_isdir(const char *name)
2412         {
2413 #if defined(S_ISDIR)
2414         struct stat st;
2415
2416         if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
2417         else                    return -1;
2418 #else
2419         return -1;
2420 #endif
2421         }
2422 #endif
2423
2424 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2425 int raw_read_stdin(void *buf,int siz)
2426         {
2427         DWORD n;
2428         if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
2429                 return (n);
2430         else    return (-1);
2431         }
2432 #else
2433 int raw_read_stdin(void *buf,int siz)
2434         {       return read(fileno(stdin),buf,siz);     }
2435 #endif
2436
2437 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2438 int raw_write_stdout(void *buf,int siz)
2439         {
2440         DWORD n;
2441         if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
2442                 return (n);
2443         else    return (-1);
2444         }
2445 #else
2446 int raw_write_stdout(const void *buf,int siz)
2447         {       return write(fileno(stdout),buf,siz);   }
2448 #endif
2449