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
 129 #define NON_MAIN
 130 #include "apps.h"
 131 #undef NON_MAIN
 132
 133 typedef struct {
 134         char *name;
 135         unsigned long flag;
 136         unsigned long mask;
 137 } NAME_EX_TBL;
 138
 139 static UI_METHOD *ui_method = NULL;
 140
 141 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 142 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 143
 144 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 145 /* Looks like this stuff is worth moving into separate function */
 146 static EVP_PKEY *
 147 load_netscape_key(BIO *err, BIO *key, const char *file,
 148                 const char *key_descrip, int format);
 149 #endif
 150
 151 int app_init(long mesgwin);
 152 #ifdef undef /* never finished - probably never will be :-) */
 153 int args_from_file(char *file, int *argc, char **argv[])
 154         {
 155         FILE *fp;
 156         int num,i;
 157         unsigned int len;
 158         static char *buf=NULL;
 159         static char **arg=NULL;
 160         char *p;
 161         struct stat stbuf;
 162
 163         if (stat(file,&stbuf) < 0) return(0);
 164
 165         fp=fopen(file,"r");
 166         if (fp == NULL)
 167                 return(0);
 168
 169         *argc=0;
 170         *argv=NULL;
 171
 172         len=(unsigned int)stbuf.st_size;
 173         if (buf != NULL) OPENSSL_free(buf);
 174         buf=(char *)OPENSSL_malloc(len+1);
 175         if (buf == NULL) return(0);
 176
 177         len=fread(buf,1,len,fp);
 178         if (len <= 1) return(0);
 179         buf[len]='\0';
 180
 181         i=0;
 182         for (p=buf; *p; p++)
 183                 if (*p == '\n') i++;
 184         if (arg != NULL) OPENSSL_free(arg);
 185         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 186
 187         *argv=arg;
 188         num=0;
 189         p=buf;
 190         for (;;)
 191                 {
 192                 if (!*p) break;
 193                 if (*p == '#') /* comment line */
 194                         {
 195                         while (*p && (*p != '\n')) p++;
 196                         continue;
 197                         }
 198                 /* else we have a line */
 199                 *(arg++)=p;
 200                 num++;
 201                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 202                         p++;
 203                 if (!*p) break;
 204                 if (*p == '\n')
 205                         {
 206                         *(p++)='\0';
 207                         continue;
 208                         }
 209                 /* else it is a tab or space */
 210                 p++;
 211                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 212                         p++;
 213                 if (!*p) break;
 214                 if (*p == '\n')
 215                         {
 216                         p++;
 217                         continue;
 218                         }
 219                 *(arg++)=p++;
 220                 num++;
 221                 while (*p && (*p != '\n')) p++;
 222                 if (!*p) break;
 223                 /* else *p == '\n' */
 224                 *(p++)='\0';
 225                 }
 226         *argc=num;
 227         return(1);
 228         }
 229 #endif
 230
 231 int str2fmt(char *s)
 232         {
 233         if      ((*s == 'D') || (*s == 'd'))
 234                 return(FORMAT_ASN1);
 235         else if ((*s == 'T') || (*s == 't'))
 236                 return(FORMAT_TEXT);
 237         else if ((*s == 'P') || (*s == 'p'))
 238                 return(FORMAT_PEM);
 239         else if ((*s == 'N') || (*s == 'n'))
 240                 return(FORMAT_NETSCAPE);
 241         else if ((*s == 'S') || (*s == 's'))
 242                 return(FORMAT_SMIME);
 243         else if ((*s == '1')
 244                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 245                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 246                 return(FORMAT_PKCS12);
 247         else if ((*s == 'E') || (*s == 'e'))
 248                 return(FORMAT_ENGINE);
 249         else
 250                 return(FORMAT_UNDEF);
 251         }
 252
 253 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 254 void program_name(char *in, char *out, int size)
 255         {
 256         int i,n;
 257         char *p=NULL;
 258
 259         n=strlen(in);
 260         /* find the last '/', '\' or ':' */
 261         for (i=n-1; i>0; i--)
 262                 {
 263                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 264                         {
 265                         p= &(in[i+1]);
 266                         break;
 267                         }
 268                 }
 269         if (p == NULL)
 270                 p=in;
 271         n=strlen(p);
 272
 273 #if defined(OPENSSL_SYS_NETWARE)
 274    /* strip off trailing .nlm if present. */
 275    if ((n > 4) && (p[n-4] == '.') &&
 276       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 277       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 278       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 279       n-=4;
 280 #else
 281         /* strip off trailing .exe if present. */
 282         if ((n > 4) && (p[n-4] == '.') &&
 283                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 284                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 285                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 286                 n-=4;
 287 #endif
 288
 289         if (n > size-1)
 290                 n=size-1;
 291
 292         for (i=0; i<n; i++)
 293                 {
 294                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 295                         out[i]=p[i]-'A'+'a';
 296                 else
 297                         out[i]=p[i];
 298                 }
 299         out[n]='\0';
 300         }
 301 #else
 302 #ifdef OPENSSL_SYS_VMS
 303 void program_name(char *in, char *out, int size)
 304         {
 305         char *p=in, *q;
 306         char *chars=":]>";
 307
 308         while(*chars != '\0')
 309                 {
 310                 q=strrchr(p,*chars);
 311                 if (q > p)
 312                         p = q + 1;
 313                 chars++;
 314                 }
 315
 316         q=strrchr(p,'.');
 317         if (q == NULL)
 318                 q = p + strlen(p);
 319         strncpy(out,p,size-1);
 320         if (q-p >= size)
 321                 {
 322                 out[size-1]='\0';
 323                 }
 324         else
 325                 {
 326                 out[q-p]='\0';
 327                 }
 328         }
 329 #else
 330 void program_name(char *in, char *out, int size)
 331         {
 332         char *p;
 333
 334         p=strrchr(in,'/');
 335         if (p != NULL)
 336                 p++;
 337         else
 338                 p=in;
 339         BUF_strlcpy(out,p,size);
 340         }
 341 #endif
 342 #endif
 343
 344 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 345         {
 346         int num,len,i;
 347         char *p;
 348
 349         *argc=0;
 350         *argv=NULL;
 351
 352         len=strlen(buf);
 353         i=0;
 354         if (arg->count == 0)
 355                 {
 356                 arg->count=20;
 357                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 358                 }
 359         for (i=0; i<arg->count; i++)
 360                 arg->data[i]=NULL;
 361
 362         num=0;
 363         p=buf;
 364         for (;;)
 365                 {
 366                 /* first scan over white space */
 367                 if (!*p) break;
 368                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 369                         p++;
 370                 if (!*p) break;
 371
 372                 /* The start of something good :-) */
 373                 if (num >= arg->count)
 374                         {
 375                         arg->count+=20;
 376                         arg->data=(char **)OPENSSL_realloc(arg->data,
 377                                 sizeof(char *)*arg->count);
 378                         if (argc == 0) return(0);
 379                         }
 380                 arg->data[num++]=p;
 381
 382                 /* now look for the end of this */
 383                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 384                         {
 385                         i= *(p++);
 386                         arg->data[num-1]++; /* jump over quote */
 387                         while (*p && (*p != i))
 388                                 p++;
 389                         *p='\0';
 390                         }
 391                 else
 392                         {
 393                         while (*p && ((*p != ' ') &&
 394                                 (*p != '\t') && (*p != '\n')))
 395                                 p++;
 396
 397                         if (*p == '\0')
 398                                 p--;
 399                         else
 400                                 *p='\0';
 401                         }
 402                 p++;
 403                 }
 404         *argc=num;
 405         *argv=arg->data;
 406         return(1);
 407         }
 408
 409 #ifndef APP_INIT
 410 int app_init(long mesgwin)
 411         {
 412         return(1);
 413         }
 414 #endif
 415
 416
 417 int dump_cert_text (BIO *out, X509 *x)
 418 {
 419         char *p;
 420
 421         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 422         BIO_puts(out,"subject=");
 423         BIO_puts(out,p);
 424         OPENSSL_free(p);
 425
 426         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 427         BIO_puts(out,"\nissuer=");
 428         BIO_puts(out,p);
 429         BIO_puts(out,"\n");
 430         OPENSSL_free(p);
 431
 432         return 0;
 433 }
 434
 435 static int ui_open(UI *ui)
 436         {
 437         return UI_method_get_opener(UI_OpenSSL())(ui);
 438         }
 439 static int ui_read(UI *ui, UI_STRING *uis)
 440         {
 441         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 442                 && UI_get0_user_data(ui))
 443                 {
 444                 switch(UI_get_string_type(uis))
 445                         {
 446                 case UIT_PROMPT:
 447                 case UIT_VERIFY:
 448                         {
 449                         const char *password =
 450                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 451                         if (password && password[0] != '\0')
 452                                 {
 453                                 UI_set_result(ui, uis, password);
 454                                 return 1;
 455                                 }
 456                         }
 457                 default:
 458                         break;
 459                         }
 460                 }
 461         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 462         }
 463 static int ui_write(UI *ui, UI_STRING *uis)
 464         {
 465         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 466                 && UI_get0_user_data(ui))
 467                 {
 468                 switch(UI_get_string_type(uis))
 469                         {
 470                 case UIT_PROMPT:
 471                 case UIT_VERIFY:
 472                         {
 473                         const char *password =
 474                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 475                         if (password && password[0] != '\0')
 476                                 return 1;
 477                         }
 478                 default:
 479                         break;
 480                         }
 481                 }
 482         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 483         }
 484 static int ui_close(UI *ui)
 485         {
 486         return UI_method_get_closer(UI_OpenSSL())(ui);
 487         }
 488 int setup_ui_method(void)
 489         {
 490         ui_method = UI_create_method("OpenSSL application user interface");
 491         UI_method_set_opener(ui_method, ui_open);
 492         UI_method_set_reader(ui_method, ui_read);
 493         UI_method_set_writer(ui_method, ui_write);
 494         UI_method_set_closer(ui_method, ui_close);
 495         return 0;
 496         }
 497 void destroy_ui_method(void)
 498         {
 499         if(ui_method)
 500                 {
 501                 UI_destroy_method(ui_method);
 502                 ui_method = NULL;
 503                 }
 504         }
 505 int password_callback(char *buf, int bufsiz, int verify,
 506         PW_CB_DATA *cb_tmp)
 507         {
 508         UI *ui = NULL;
 509         int res = 0;
 510         const char *prompt_info = NULL;
 511         const char *password = NULL;
 512         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 513
 514         if (cb_data)
 515                 {
 516                 if (cb_data->password)
 517                         password = cb_data->password;
 518                 if (cb_data->prompt_info)
 519                         prompt_info = cb_data->prompt_info;
 520                 }
 521
 522         if (password)
 523                 {
 524                 res = strlen(password);
 525                 if (res > bufsiz)
 526                         res = bufsiz;
 527                 memcpy(buf, password, res);
 528                 return res;
 529                 }
 530
 531         ui = UI_new_method(ui_method);
 532         if (ui)
 533                 {
 534                 int ok = 0;
 535                 char *buff = NULL;
 536                 int ui_flags = 0;
 537                 char *prompt = NULL;
 538
 539                 prompt = UI_construct_prompt(ui, "pass phrase",
 540                         cb_data->prompt_info);
 541
 542                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 543                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 544
 545                 if (ok >= 0)
 546                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 547                                 PW_MIN_LENGTH,BUFSIZ-1);
 548                 if (ok >= 0 && verify)
 549                         {
 550                         buff = (char *)OPENSSL_malloc(bufsiz);
 551                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 552                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 553                         }
 554                 if (ok >= 0)
 555                         do
 556                                 {
 557                                 ok = UI_process(ui);
 558                                 }
 559                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 560
 561                 if (buff)
 562                         {
 563                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 564                         OPENSSL_free(buff);
 565                         }
 566
 567                 if (ok >= 0)
 568                         res = strlen(buf);
 569                 if (ok == -1)
 570                         {
 571                         BIO_printf(bio_err, "User interface error\n");
 572                         ERR_print_errors(bio_err);
 573                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 574                         res = 0;
 575                         }
 576                 if (ok == -2)
 577                         {
 578                         BIO_printf(bio_err,"aborted!\n");
 579                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 580                         res = 0;
 581                         }
 582                 UI_free(ui);
 583                 OPENSSL_free(prompt);
 584                 }
 585         return res;
 586         }
 587
 588 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 589
 590 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 591 {
 592         int same;
 593         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 594         else same = 1;
 595         if(arg1) {
 596                 *pass1 = app_get_pass(err, arg1, same);
 597                 if(!*pass1) return 0;
 598         } else if(pass1) *pass1 = NULL;
 599         if(arg2) {
 600                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 601                 if(!*pass2) return 0;
 602         } else if(pass2) *pass2 = NULL;
 603         return 1;
 604 }
 605
 606 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 607 {
 608         char *tmp, tpass[APP_PASS_LEN];
 609         static BIO *pwdbio = NULL;
 610         int i;
 611         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 612         if(!strncmp(arg, "env:", 4)) {
 613                 tmp = getenv(arg + 4);
 614                 if(!tmp) {
 615                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 616                         return NULL;
 617                 }
 618                 return BUF_strdup(tmp);
 619         }
 620         if(!keepbio || !pwdbio) {
 621                 if(!strncmp(arg, "file:", 5)) {
 622                         pwdbio = BIO_new_file(arg + 5, "r");
 623                         if(!pwdbio) {
 624                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 625                                 return NULL;
 626                         }
 627                 } else if(!strncmp(arg, "fd:", 3)) {
 628                         BIO *btmp;
 629                         i = atoi(arg + 3);
 630                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 631                         if((i < 0) || !pwdbio) {
 632                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 633                                 return NULL;
 634                         }
 635                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 636                         btmp = BIO_new(BIO_f_buffer());
 637                         pwdbio = BIO_push(btmp, pwdbio);
 638                 } else if(!strcmp(arg, "stdin")) {
 639                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 640                         if(!pwdbio) {
 641                                 BIO_printf(err, "Can't open BIO for stdin\n");
 642                                 return NULL;
 643                         }
 644                 } else {
 645                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 646                         return NULL;
 647                 }
 648         }
 649         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 650         if(keepbio != 1) {
 651                 BIO_free_all(pwdbio);
 652                 pwdbio = NULL;
 653         }
 654         if(i <= 0) {
 655                 BIO_printf(err, "Error reading password from BIO\n");
 656                 return NULL;
 657         }
 658         tmp = strchr(tpass, '\n');
 659         if(tmp) *tmp = 0;
 660         return BUF_strdup(tpass);
 661 }
 662
 663 int add_oid_section(BIO *err, CONF *conf)
 664 {
 665         char *p;
 666         STACK_OF(CONF_VALUE) *sktmp;
 667         CONF_VALUE *cnf;
 668         int i;
 669         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 670                 {
 671                 ERR_clear_error();
 672                 return 1;
 673                 }
 674         if(!(sktmp = NCONF_get_section(conf, p))) {
 675                 BIO_printf(err, "problem loading oid section %s\n", p);
 676                 return 0;
 677         }
 678         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 679                 cnf = sk_CONF_VALUE_value(sktmp, i);
 680                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 681                         BIO_printf(err, "problem creating object %s=%s\n",
 682                                                          cnf->name, cnf->value);
 683                         return 0;
 684                 }
 685         }
 686         return 1;
 687 }
 688
 689 X509 *load_cert(BIO *err, const char *file, int format,
 690         const char *pass, ENGINE *e, const char *cert_descrip)
 691         {
 692         ASN1_HEADER *ah=NULL;
 693         BUF_MEM *buf=NULL;
 694         X509 *x=NULL;
 695         BIO *cert;
 696
 697         if ((cert=BIO_new(BIO_s_file())) == NULL)
 698                 {
 699                 ERR_print_errors(err);
 700                 goto end;
 701                 }
 702
 703         if (file == NULL)
 704                 {
 705                 setvbuf(stdin, NULL, _IONBF, 0);
 706                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 707                 }
 708         else
 709                 {
 710                 if (BIO_read_filename(cert,file) <= 0)
 711                         {
 712                         BIO_printf(err, "Error opening %s %s\n",
 713                                 cert_descrip, file);
 714                         ERR_print_errors(err);
 715                         goto end;
 716                         }
 717                 }
 718
 719         if      (format == FORMAT_ASN1)
 720                 x=d2i_X509_bio(cert,NULL);
 721         else if (format == FORMAT_NETSCAPE)
 722                 {
 723                 const unsigned char *p,*op;
 724                 int size=0,i;
 725
 726                 /* We sort of have to do it this way because it is sort of nice
 727                  * to read the header first and check it, then
 728                  * try to read the certificate */
 729                 buf=BUF_MEM_new();
 730                 for (;;)
 731                         {
 732                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 733                                 goto end;
 734                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 735                         size+=i;
 736                         if (i == 0) break;
 737                         if (i < 0)
 738                                 {
 739                                 perror("reading certificate");
 740                                 goto end;
 741                                 }
 742                         }
 743                 p=(unsigned char *)buf->data;
 744                 op=p;
 745
 746                 /* First load the header */
 747                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 748                         goto end;
 749                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 750                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 751                         ah->header->length) != 0))
 752                         {
 753                         BIO_printf(err,"Error reading header on certificate\n");
 754                         goto end;
 755                         }
 756                 /* header is ok, so now read the object */
 757                 p=op;
 758                 ah->meth=X509_asn1_meth();
 759                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 760                         goto end;
 761                 x=(X509 *)ah->data;
 762                 ah->data=NULL;
 763                 }
 764         else if (format == FORMAT_PEM)
 765                 x=PEM_read_bio_X509_AUX(cert,NULL,
 766                         (pem_password_cb *)password_callback, NULL);
 767         else if (format == FORMAT_PKCS12)
 768                 {
 769                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
 770
 771                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
 772                 PKCS12_free(p12);
 773                 p12 = NULL;
 774                 }
 775         else    {
 776                 BIO_printf(err,"bad input format specified for %s\n",
 777                         cert_descrip);
 778                 goto end;
 779                 }
 780 end:
 781         if (x == NULL)
 782                 {
 783                 BIO_printf(err,"unable to load certificate\n");
 784                 ERR_print_errors(err);
 785                 }
 786         if (ah != NULL) ASN1_HEADER_free(ah);
 787         if (cert != NULL) BIO_free(cert);
 788         if (buf != NULL) BUF_MEM_free(buf);
 789         return(x);
 790         }
 791
 792 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 793         const char *pass, ENGINE *e, const char *key_descrip)
 794         {
 795         BIO *key=NULL;
 796         EVP_PKEY *pkey=NULL;
 797         PW_CB_DATA cb_data;
 798
 799         cb_data.password = pass;
 800         cb_data.prompt_info = file;
 801
 802         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 803                 {
 804                 BIO_printf(err,"no keyfile specified\n");
 805                 goto end;
 806                 }
 807 #ifndef OPENSSL_NO_ENGINE
 808         if (format == FORMAT_ENGINE)
 809                 {
 810                 if (!e)
 811                         BIO_printf(bio_err,"no engine specified\n");
 812                 else
 813                         pkey = ENGINE_load_private_key(e, file,
 814                                 ui_method, &cb_data);
 815                 goto end;
 816                 }
 817 #endif
 818         key=BIO_new(BIO_s_file());
 819         if (key == NULL)
 820                 {
 821                 ERR_print_errors(err);
 822                 goto end;
 823                 }
 824         if (file == NULL && maybe_stdin)
 825                 {
 826                 setvbuf(stdin, NULL, _IONBF, 0);
 827                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 828                 }
 829         else
 830                 if (BIO_read_filename(key,file) <= 0)
 831                         {
 832                         BIO_printf(err, "Error opening %s %s\n",
 833                                 key_descrip, file);
 834                         ERR_print_errors(err);
 835                         goto end;
 836                         }
 837         if (format == FORMAT_ASN1)
 838                 {
 839                 pkey=d2i_PrivateKey_bio(key, NULL);
 840                 }
 841         else if (format == FORMAT_PEM)
 842                 {
 843                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 844                         (pem_password_cb *)password_callback, &cb_data);
 845                 }
 846 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 847         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 848                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 849 #endif
 850         else if (format == FORMAT_PKCS12)
 851                 {
 852                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
 853
 854                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
 855                 PKCS12_free(p12);
 856                 p12 = NULL;
 857                 }
 858         else
 859                 {
 860                 BIO_printf(err,"bad input format specified for key file\n");
 861                 goto end;
 862                 }
 863  end:
 864         if (key != NULL) BIO_free(key);
 865         if (pkey == NULL)
 866                 BIO_printf(err,"unable to load %s\n", key_descrip);
 867         return(pkey);
 868         }
 869
 870 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 871         const char *pass, ENGINE *e, const char *key_descrip)
 872         {
 873         BIO *key=NULL;
 874         EVP_PKEY *pkey=NULL;
 875         PW_CB_DATA cb_data;
 876
 877         cb_data.password = pass;
 878         cb_data.prompt_info = file;
 879
 880         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 881                 {
 882                 BIO_printf(err,"no keyfile specified\n");
 883                 goto end;
 884                 }
 885 #ifndef OPENSSL_NO_ENGINE
 886         if (format == FORMAT_ENGINE)
 887                 {
 888                 if (!e)
 889                         BIO_printf(bio_err,"no engine specified\n");
 890                 else
 891                         pkey = ENGINE_load_public_key(e, file,
 892                                 ui_method, &cb_data);
 893                 goto end;
 894                 }
 895 #endif
 896         key=BIO_new(BIO_s_file());
 897         if (key == NULL)
 898                 {
 899                 ERR_print_errors(err);
 900                 goto end;
 901                 }
 902         if (file == NULL && maybe_stdin)
 903                 {
 904                 setvbuf(stdin, NULL, _IONBF, 0);
 905                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 906                 }
 907         else
 908                 if (BIO_read_filename(key,file) <= 0)
 909                         {
 910                         BIO_printf(err, "Error opening %s %s\n",
 911                                 key_descrip, file);
 912                         ERR_print_errors(err);
 913                         goto end;
 914                 }
 915         if (format == FORMAT_ASN1)
 916                 {
 917                 pkey=d2i_PUBKEY_bio(key, NULL);
 918                 }
 919         else if (format == FORMAT_PEM)
 920                 {
 921                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 922                         (pem_password_cb *)password_callback, &cb_data);
 923                 }
 924 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 925         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 926                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 927 #endif
 928         else
 929                 {
 930                 BIO_printf(err,"bad input format specified for key file\n");
 931                 goto end;
 932                 }
 933  end:
 934         if (key != NULL) BIO_free(key);
 935         if (pkey == NULL)
 936                 BIO_printf(err,"unable to load %s\n", key_descrip);
 937         return(pkey);
 938         }
 939
 940 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 941 static EVP_PKEY *
 942 load_netscape_key(BIO *err, BIO *key, const char *file,
 943                 const char *key_descrip, int format)
 944         {
 945         EVP_PKEY *pkey;
 946         BUF_MEM *buf;
 947         RSA     *rsa;
 948         const unsigned char *p;
 949         int size, i;
 950
 951         buf=BUF_MEM_new();
 952         pkey = EVP_PKEY_new();
 953         size = 0;
 954         if (buf == NULL || pkey == NULL)
 955                 goto error;
 956         for (;;)
 957                 {
 958                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
 959                         goto error;
 960                 i = BIO_read(key, &(buf->data[size]), 1024*10);
 961                 size += i;
 962                 if (i == 0)
 963                         break;
 964                 if (i < 0)
 965                         {
 966                                 BIO_printf(err, "Error reading %s %s",
 967                                         key_descrip, file);
 968                                 goto error;
 969                         }
 970                 }
 971         p=(unsigned char *)buf->data;
 972         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
 973                 (format == FORMAT_IISSGC ? 1 : 0));
 974         if (rsa == NULL)
 975                 goto error;
 976         BUF_MEM_free(buf);
 977         EVP_PKEY_set1_RSA(pkey, rsa);
 978         return pkey;
 979 error:
 980         BUF_MEM_free(buf);
 981         EVP_PKEY_free(pkey);
 982         return NULL;
 983         }
 984 #endif /* ndef OPENSSL_NO_RC4 */
 985
 986 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
 987         const char *pass, ENGINE *e, const char *cert_descrip)
 988         {
 989         BIO *certs;
 990         int i;
 991         STACK_OF(X509) *othercerts = NULL;
 992         STACK_OF(X509_INFO) *allcerts = NULL;
 993         X509_INFO *xi;
 994         PW_CB_DATA cb_data;
 995
 996         cb_data.password = pass;
 997         cb_data.prompt_info = file;
 998
 999         if((certs = BIO_new(BIO_s_file())) == NULL)
1000                 {
1001                 ERR_print_errors(err);
1002                 goto end;
1003                 }
1004
1005         if (file == NULL)
1006                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1007         else
1008                 {
1009                 if (BIO_read_filename(certs,file) <= 0)
1010                         {
1011                         BIO_printf(err, "Error opening %s %s\n",
1012                                 cert_descrip, file);
1013                         ERR_print_errors(err);
1014                         goto end;
1015                         }
1016                 }
1017
1018         if      (format == FORMAT_PEM)
1019                 {
1020                 othercerts = sk_X509_new_null();
1021                 if(!othercerts)
1022                         {
1023                         sk_X509_free(othercerts);
1024                         othercerts = NULL;
1025                         goto end;
1026                         }
1027                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1028                                 (pem_password_cb *)password_callback, &cb_data);
1029                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1030                         {
1031                         xi = sk_X509_INFO_value (allcerts, i);
1032                         if (xi->x509)
1033                                 {
1034                                 sk_X509_push(othercerts, xi->x509);
1035                                 xi->x509 = NULL;
1036                                 }
1037                         }
1038                 goto end;
1039                 }
1040         else    {
1041                 BIO_printf(err,"bad input format specified for %s\n",
1042                         cert_descrip);
1043                 goto end;
1044                 }
1045 end:
1046         if (othercerts == NULL)
1047                 {
1048                 BIO_printf(err,"unable to load certificates\n");
1049                 ERR_print_errors(err);
1050                 }
1051         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1052         if (certs != NULL) BIO_free(certs);
1053         return(othercerts);
1054         }
1055
1056
1057 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1058 /* Return error for unknown extensions */
1059 #define X509V3_EXT_DEFAULT              0
1060 /* Print error for unknown extensions */
1061 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1062 /* ASN1 parse unknown extensions */
1063 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1064 /* BIO_dump unknown extensions */
1065 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1066
1067 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1068                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1069
1070 int set_cert_ex(unsigned long *flags, const char *arg)
1071 {
1072         static const NAME_EX_TBL cert_tbl[] = {
1073                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1074                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1075                 { "no_header", X509_FLAG_NO_HEADER, 0},
1076                 { "no_version", X509_FLAG_NO_VERSION, 0},
1077                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1078                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1079                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1080                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1081                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1082                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1083                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1084                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1085                 { "no_aux", X509_FLAG_NO_AUX, 0},
1086                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1087                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1088                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1089                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1090                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1091                 { NULL, 0, 0}
1092         };
1093         return set_multi_opts(flags, arg, cert_tbl);
1094 }
1095
1096 int set_name_ex(unsigned long *flags, const char *arg)
1097 {
1098         static const NAME_EX_TBL ex_tbl[] = {
1099                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1100                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1101                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1102                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1103                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1104                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1105                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1106                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1107                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1108                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1109                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1110                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1111                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1112                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1113                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1114                 { "dn_rev", XN_FLAG_DN_REV, 0},
1115                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1116                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1117                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1118                 { "align", XN_FLAG_FN_ALIGN, 0},
1119                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1120                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1121                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1122                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1123                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1124                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1125                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1126                 { NULL, 0, 0}
1127         };
1128         return set_multi_opts(flags, arg, ex_tbl);
1129 }
1130
1131 int set_ext_copy(int *copy_type, const char *arg)
1132 {
1133         if (!strcasecmp(arg, "none"))
1134                 *copy_type = EXT_COPY_NONE;
1135         else if (!strcasecmp(arg, "copy"))
1136                 *copy_type = EXT_COPY_ADD;
1137         else if (!strcasecmp(arg, "copyall"))
1138                 *copy_type = EXT_COPY_ALL;
1139         else
1140                 return 0;
1141         return 1;
1142 }
1143
1144 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1145 {
1146         STACK_OF(X509_EXTENSION) *exts = NULL;
1147         X509_EXTENSION *ext, *tmpext;
1148         ASN1_OBJECT *obj;
1149         int i, idx, ret = 0;
1150         if (!x || !req || (copy_type == EXT_COPY_NONE))
1151                 return 1;
1152         exts = X509_REQ_get_extensions(req);
1153
1154         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1155                 ext = sk_X509_EXTENSION_value(exts, i);
1156                 obj = X509_EXTENSION_get_object(ext);
1157                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1158                 /* Does extension exist? */
1159                 if (idx != -1) {
1160                         /* If normal copy don't override existing extension */
1161                         if (copy_type == EXT_COPY_ADD)
1162                                 continue;
1163                         /* Delete all extensions of same type */
1164                         do {
1165                                 tmpext = X509_get_ext(x, idx);
1166                                 X509_delete_ext(x, idx);
1167                                 X509_EXTENSION_free(tmpext);
1168                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1169                         } while (idx != -1);
1170                 }
1171                 if (!X509_add_ext(x, ext, -1))
1172                         goto end;
1173         }
1174
1175         ret = 1;
1176
1177         end:
1178
1179         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1180
1181         return ret;
1182 }
1183
1184
1185
1186
1187 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1188 {
1189         STACK_OF(CONF_VALUE) *vals;
1190         CONF_VALUE *val;
1191         int i, ret = 1;
1192         if(!arg) return 0;
1193         vals = X509V3_parse_list(arg);
1194         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1195                 val = sk_CONF_VALUE_value(vals, i);
1196                 if (!set_table_opts(flags, val->name, in_tbl))
1197                         ret = 0;
1198         }
1199         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1200         return ret;
1201 }
1202
1203 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1204 {
1205         char c;
1206         const NAME_EX_TBL *ptbl;
1207         c = arg[0];
1208
1209         if(c == '-') {
1210                 c = 0;
1211                 arg++;
1212         } else if (c == '+') {
1213                 c = 1;
1214                 arg++;
1215         } else c = 1;
1216
1217         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1218                 if(!strcasecmp(arg, ptbl->name)) {
1219                         *flags &= ~ptbl->mask;
1220                         if(c) *flags |= ptbl->flag;
1221                         else *flags &= ~ptbl->flag;
1222                         return 1;
1223                 }
1224         }
1225         return 0;
1226 }
1227
1228 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1229 {
1230         char *buf;
1231         char mline = 0;
1232         int indent = 0;
1233
1234         if(title) BIO_puts(out, title);
1235         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1236                 mline = 1;
1237                 indent = 4;
1238         }
1239         if(lflags == XN_FLAG_COMPAT) {
1240                 buf = X509_NAME_oneline(nm, 0, 0);
1241                 BIO_puts(out, buf);
1242                 BIO_puts(out, "\n");
1243                 OPENSSL_free(buf);
1244         } else {
1245                 if(mline) BIO_puts(out, "\n");
1246                 X509_NAME_print_ex(out, nm, indent, lflags);
1247                 BIO_puts(out, "\n");
1248         }
1249 }
1250
1251 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1252 {
1253         X509_STORE *store;
1254         X509_LOOKUP *lookup;
1255         if(!(store = X509_STORE_new())) goto end;
1256         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1257         if (lookup == NULL) goto end;
1258         if (CAfile) {
1259                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1260                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1261                         goto end;
1262                 }
1263         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1264
1265         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1266         if (lookup == NULL) goto end;
1267         if (CApath) {
1268                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1269                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1270                         goto end;
1271                 }
1272         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1273
1274         ERR_clear_error();
1275         return store;
1276         end:
1277         X509_STORE_free(store);
1278         return NULL;
1279 }
1280
1281 #ifndef OPENSSL_NO_ENGINE
1282 /* Try to load an engine in a shareable library */
1283 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1284         {
1285         ENGINE *e = ENGINE_by_id("dynamic");
1286         if (e)
1287                 {
1288                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1289                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1290                         {
1291                         ENGINE_free(e);
1292                         e = NULL;
1293                         }
1294                 }
1295         return e;
1296         }
1297
1298 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1299         {
1300         ENGINE *e = NULL;
1301
1302         if (engine)
1303                 {
1304                 if(strcmp(engine, "auto") == 0)
1305                         {
1306                         BIO_printf(err,"enabling auto ENGINE support\n");
1307                         ENGINE_register_all_complete();
1308                         return NULL;
1309                         }
1310                 if((e = ENGINE_by_id(engine)) == NULL
1311                         && (e = try_load_engine(err, engine, debug)) == NULL)
1312                         {
1313                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1314                         ERR_print_errors(err);
1315                         return NULL;
1316                         }
1317                 if (debug)
1318                         {
1319                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1320                                 0, err, 0);
1321                         }
1322                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1323                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1324                         {
1325                         BIO_printf(err,"can't use that engine\n");
1326                         ERR_print_errors(err);
1327                         ENGINE_free(e);
1328                         return NULL;
1329                         }
1330
1331                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1332
1333                 /* Free our "structural" reference. */
1334                 ENGINE_free(e);
1335                 }
1336         return e;
1337         }
1338 #endif
1339
1340 int load_config(BIO *err, CONF *cnf)
1341         {
1342         if (!cnf)
1343                 cnf = config;
1344         if (!cnf)
1345                 return 1;
1346
1347         OPENSSL_load_builtin_modules();
1348
1349         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1350                 {
1351                 BIO_printf(err, "Error configuring OpenSSL\n");
1352                 ERR_print_errors(err);
1353                 return 0;
1354                 }
1355         return 1;
1356         }
1357
1358 char *make_config_name()
1359         {
1360         const char *t=X509_get_default_cert_area();
1361         size_t len;
1362         char *p;
1363
1364         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1365         p=OPENSSL_malloc(len);
1366         BUF_strlcpy(p,t,len);
1367 #ifndef OPENSSL_SYS_VMS
1368         BUF_strlcat(p,"/",len);
1369 #endif
1370         BUF_strlcat(p,OPENSSL_CONF,len);
1371
1372         return p;
1373         }
1374
1375 static unsigned long index_serial_hash(const char **a)
1376         {
1377         const char *n;
1378
1379         n=a[DB_serial];
1380         while (*n == '0') n++;
1381         return(lh_strhash(n));
1382         }
1383
1384 static int index_serial_cmp(const char **a, const char **b)
1385         {
1386         const char *aa,*bb;
1387
1388         for (aa=a[DB_serial]; *aa == '0'; aa++);
1389         for (bb=b[DB_serial]; *bb == '0'; bb++);
1390         return(strcmp(aa,bb));
1391         }
1392
1393 static int index_name_qual(char **a)
1394         { return(a[0][0] == 'V'); }
1395
1396 static unsigned long index_name_hash(const char **a)
1397         { return(lh_strhash(a[DB_name])); }
1398
1399 int index_name_cmp(const char **a, const char **b)
1400         { return(strcmp(a[DB_name],
1401              b[DB_name])); }
1402
1403 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1404 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1405 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1406 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1407
1408 #undef BSIZE
1409 #define BSIZE 256
1410
1411 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1412         {
1413         BIO *in=NULL;
1414         BIGNUM *ret=NULL;
1415         MS_STATIC char buf[1024];
1416         ASN1_INTEGER *ai=NULL;
1417
1418         ai=ASN1_INTEGER_new();
1419         if (ai == NULL) goto err;
1420
1421         if ((in=BIO_new(BIO_s_file())) == NULL)
1422                 {
1423                 ERR_print_errors(bio_err);
1424                 goto err;
1425                 }
1426
1427         if (BIO_read_filename(in,serialfile) <= 0)
1428                 {
1429                 if (!create)
1430                         {
1431                         perror(serialfile);
1432                         goto err;
1433                         }
1434                 else
1435                         {
1436                         ASN1_INTEGER_set(ai,1);
1437                         ret=BN_new();
1438                         if (ret == NULL)
1439                                 BIO_printf(bio_err, "Out of memory\n");
1440                         else
1441                                 BN_one(ret);
1442                         }
1443                 }
1444         else
1445                 {
1446                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1447                         {
1448                         BIO_printf(bio_err,"unable to load number from %s\n",
1449                                 serialfile);
1450                         goto err;
1451                         }
1452                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1453                 if (ret == NULL)
1454                         {
1455                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1456                         goto err;
1457                         }
1458                 }
1459
1460         if (ret && retai)
1461                 {
1462                 *retai = ai;
1463                 ai = NULL;
1464                 }
1465  err:
1466         if (in != NULL) BIO_free(in);
1467         if (ai != NULL) ASN1_INTEGER_free(ai);
1468         return(ret);
1469         }
1470
1471 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1472         {
1473         char buf[1][BSIZE];
1474         BIO *out = NULL;
1475         int ret=0;
1476         ASN1_INTEGER *ai=NULL;
1477         int j;
1478
1479         if (suffix == NULL)
1480                 j = strlen(serialfile);
1481         else
1482                 j = strlen(serialfile) + strlen(suffix) + 1;
1483         if (j >= BSIZE)
1484                 {
1485                 BIO_printf(bio_err,"file name too long\n");
1486                 goto err;
1487                 }
1488
1489         if (suffix == NULL)
1490                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1491         else
1492                 {
1493 #ifndef OPENSSL_SYS_VMS
1494                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1495 #else
1496                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1497 #endif
1498                 }
1499 #ifdef RL_DEBUG
1500         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1501 #endif
1502         out=BIO_new(BIO_s_file());
1503         if (out == NULL)
1504                 {
1505                 ERR_print_errors(bio_err);
1506                 goto err;
1507                 }
1508         if (BIO_write_filename(out,buf[0]) <= 0)
1509                 {
1510                 perror(serialfile);
1511                 goto err;
1512                 }
1513
1514         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1515                 {
1516                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1517                 goto err;
1518                 }
1519         i2a_ASN1_INTEGER(out,ai);
1520         BIO_puts(out,"\n");
1521         ret=1;
1522         if (retai)
1523                 {
1524                 *retai = ai;
1525                 ai = NULL;
1526                 }
1527 err:
1528         if (out != NULL) BIO_free_all(out);
1529         if (ai != NULL) ASN1_INTEGER_free(ai);
1530         return(ret);
1531         }
1532
1533 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1534         {
1535         char buf[5][BSIZE];
1536         int i,j;
1537         struct stat sb;
1538
1539         i = strlen(serialfile) + strlen(old_suffix);
1540         j = strlen(serialfile) + strlen(new_suffix);
1541         if (i > j) j = i;
1542         if (j + 1 >= BSIZE)
1543                 {
1544                 BIO_printf(bio_err,"file name too long\n");
1545                 goto err;
1546                 }
1547
1548 #ifndef OPENSSL_SYS_VMS
1549         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1550                 serialfile, new_suffix);
1551 #else
1552         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1553                 serialfile, new_suffix);
1554 #endif
1555 #ifndef OPENSSL_SYS_VMS
1556         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1557                 serialfile, old_suffix);
1558 #else
1559         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1560                 serialfile, old_suffix);
1561 #endif
1562         if (stat(serialfile,&sb) < 0)
1563                 {
1564                 if (errno != ENOENT
1565 #ifdef ENOTDIR
1566                         && errno != ENOTDIR)
1567 #endif
1568                         goto err;
1569                 }
1570         else
1571                 {
1572 #ifdef RL_DEBUG
1573                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1574                         serialfile, buf[1]);
1575 #endif
1576                 if (rename(serialfile,buf[1]) < 0)
1577                         {
1578                         BIO_printf(bio_err,
1579                                 "unable to rename %s to %s\n",
1580                                 serialfile, buf[1]);
1581                         perror("reason");
1582                         goto err;
1583                         }
1584                 }
1585 #ifdef RL_DEBUG
1586         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1587                 buf[0],serialfile);
1588 #endif
1589         if (rename(buf[0],serialfile) < 0)
1590                 {
1591                 BIO_printf(bio_err,
1592                         "unable to rename %s to %s\n",
1593                         buf[0],serialfile);
1594                 perror("reason");
1595                 rename(buf[1],serialfile);
1596                 goto err;
1597                 }
1598         return 1;
1599  err:
1600         return 0;
1601         }
1602
1603 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1604         {
1605         CA_DB *retdb = NULL;
1606         TXT_DB *tmpdb = NULL;
1607         BIO *in = BIO_new(BIO_s_file());
1608         CONF *dbattr_conf = NULL;
1609         char buf[1][BSIZE];
1610         long errorline= -1;
1611
1612         if (in == NULL)
1613                 {
1614                 ERR_print_errors(bio_err);
1615                 goto err;
1616                 }
1617         if (BIO_read_filename(in,dbfile) <= 0)
1618                 {
1619                 perror(dbfile);
1620                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1621                 goto err;
1622                 }
1623         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1624                 {
1625                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1626                 goto err;
1627                 }
1628
1629 #ifndef OPENSSL_SYS_VMS
1630         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1631 #else
1632         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1633 #endif
1634         dbattr_conf = NCONF_new(NULL);
1635         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1636                 {
1637                 if (errorline > 0)
1638                         {
1639                         BIO_printf(bio_err,
1640                                 "error on line %ld of db attribute file '%s'\n"
1641                                 ,errorline,buf[0]);
1642                         goto err;
1643                         }
1644                 else
1645                         {
1646                         NCONF_free(dbattr_conf);
1647                         dbattr_conf = NULL;
1648                         }
1649                 }
1650
1651         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1652                 {
1653                 fprintf(stderr, "Out of memory\n");
1654                 goto err;
1655                 }
1656
1657         retdb->db = tmpdb;
1658         tmpdb = NULL;
1659         if (db_attr)
1660                 retdb->attributes = *db_attr;
1661         else
1662                 {
1663                 retdb->attributes.unique_subject = 1;
1664                 }
1665
1666         if (dbattr_conf)
1667                 {
1668                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1669                 if (p)
1670                         {
1671 #ifdef RL_DEBUG
1672                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1673 #endif
1674                         retdb->attributes.unique_subject = parse_yesno(p,1);
1675                         }
1676                 }
1677
1678  err:
1679         if (dbattr_conf) NCONF_free(dbattr_conf);
1680         if (tmpdb) TXT_DB_free(tmpdb);
1681         if (in) BIO_free_all(in);
1682         return retdb;
1683         }
1684
1685 int index_index(CA_DB *db)
1686         {
1687         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1688                                 LHASH_HASH_FN(index_serial_hash),
1689                                 LHASH_COMP_FN(index_serial_cmp)))
1690                 {
1691                 BIO_printf(bio_err,
1692                   "error creating serial number index:(%ld,%ld,%ld)\n",
1693                                         db->db->error,db->db->arg1,db->db->arg2);
1694                         return 0;
1695                 }
1696
1697         if (db->attributes.unique_subject
1698                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1699                         LHASH_HASH_FN(index_name_hash),
1700                         LHASH_COMP_FN(index_name_cmp)))
1701                 {
1702                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1703                         db->db->error,db->db->arg1,db->db->arg2);
1704                 return 0;
1705                 }
1706         return 1;
1707         }
1708
1709 int save_index(char *dbfile, char *suffix, CA_DB *db)
1710         {
1711         char buf[3][BSIZE];
1712         BIO *out = BIO_new(BIO_s_file());
1713         int j;
1714
1715         if (out == NULL)
1716                 {
1717                 ERR_print_errors(bio_err);
1718                 goto err;
1719                 }
1720
1721         j = strlen(dbfile) + strlen(suffix);
1722         if (j + 6 >= BSIZE)
1723                 {
1724                 BIO_printf(bio_err,"file name too long\n");
1725                 goto err;
1726                 }
1727
1728 #ifndef OPENSSL_SYS_VMS
1729         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1730 #else
1731         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1732 #endif
1733 #ifndef OPENSSL_SYS_VMS
1734         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1735 #else
1736         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1737 #endif
1738 #ifndef OPENSSL_SYS_VMS
1739         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1740 #else
1741         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1742 #endif
1743 #ifdef RL_DEBUG
1744         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1745 #endif
1746         if (BIO_write_filename(out,buf[0]) <= 0)
1747                 {
1748                 perror(dbfile);
1749                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1750                 goto err;
1751                 }
1752         j=TXT_DB_write(out,db->db);
1753         if (j <= 0) goto err;
1754
1755         BIO_free(out);
1756
1757         out = BIO_new(BIO_s_file());
1758 #ifdef RL_DEBUG
1759         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1760 #endif
1761         if (BIO_write_filename(out,buf[1]) <= 0)
1762                 {
1763                 perror(buf[2]);
1764                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1765                 goto err;
1766                 }
1767         BIO_printf(out,"unique_subject = %s\n",
1768                 db->attributes.unique_subject ? "yes" : "no");
1769         BIO_free(out);
1770
1771         return 1;
1772  err:
1773         return 0;
1774         }
1775
1776 int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
1777         {
1778         char buf[5][BSIZE];
1779         int i,j;
1780         struct stat sb;
1781
1782         i = strlen(dbfile) + strlen(old_suffix);
1783         j = strlen(dbfile) + strlen(new_suffix);
1784         if (i > j) j = i;
1785         if (j + 6 >= BSIZE)
1786                 {
1787                 BIO_printf(bio_err,"file name too long\n");
1788                 goto err;
1789                 }
1790
1791 #ifndef OPENSSL_SYS_VMS
1792         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1793 #else
1794         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1795 #endif
1796 #ifndef OPENSSL_SYS_VMS
1797         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1798                 dbfile, new_suffix);
1799 #else
1800         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1801                 dbfile, new_suffix);
1802 #endif
1803 #ifndef OPENSSL_SYS_VMS
1804         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1805                 dbfile, new_suffix);
1806 #else
1807         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1808                 dbfile, new_suffix);
1809 #endif
1810 #ifndef OPENSSL_SYS_VMS
1811         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1812                 dbfile, old_suffix);
1813 #else
1814         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1815                 dbfile, old_suffix);
1816 #endif
1817 #ifndef OPENSSL_SYS_VMS
1818         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1819                 dbfile, old_suffix);
1820 #else
1821         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1822                 dbfile, old_suffix);
1823 #endif
1824         if (stat(dbfile,&sb) < 0)
1825                 {
1826                 if (errno != ENOENT
1827 #ifdef ENOTDIR
1828                         && errno != ENOTDIR)
1829 #endif
1830                         goto err;
1831                 }
1832         else
1833                 {
1834 #ifdef RL_DEBUG
1835                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1836                         dbfile, buf[1]);
1837 #endif
1838                 if (rename(dbfile,buf[1]) < 0)
1839                         {
1840                         BIO_printf(bio_err,
1841                                 "unable to rename %s to %s\n",
1842                                 dbfile, buf[1]);
1843                         perror("reason");
1844                         goto err;
1845                         }
1846                 }
1847 #ifdef RL_DEBUG
1848         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1849                 buf[0],dbfile);
1850 #endif
1851         if (rename(buf[0],dbfile) < 0)
1852                 {
1853                 BIO_printf(bio_err,
1854                         "unable to rename %s to %s\n",
1855                         buf[0],dbfile);
1856                 perror("reason");
1857                 rename(buf[1],dbfile);
1858                 goto err;
1859                 }
1860         if (stat(buf[4],&sb) < 0)
1861                 {
1862                 if (errno != ENOENT
1863 #ifdef ENOTDIR
1864                         && errno != ENOTDIR)
1865 #endif
1866                         goto err;
1867                 }
1868         else
1869                 {
1870 #ifdef RL_DEBUG
1871                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1872                         buf[4],buf[3]);
1873 #endif
1874                 if (rename(buf[4],buf[3]) < 0)
1875                         {
1876                         BIO_printf(bio_err,
1877                                 "unable to rename %s to %s\n",
1878                                 buf[4], buf[3]);
1879                         perror("reason");
1880                         rename(dbfile,buf[0]);
1881                         rename(buf[1],dbfile);
1882                         goto err;
1883                         }
1884                 }
1885 #ifdef RL_DEBUG
1886         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1887                 buf[2],buf[4]);
1888 #endif
1889         if (rename(buf[2],buf[4]) < 0)
1890                 {
1891                 BIO_printf(bio_err,
1892                         "unable to rename %s to %s\n",
1893                         buf[2],buf[4]);
1894                 perror("reason");
1895                 rename(buf[3],buf[4]);
1896                 rename(dbfile,buf[0]);
1897                 rename(buf[1],dbfile);
1898                 goto err;
1899                 }
1900         return 1;
1901  err:
1902         return 0;
1903         }
1904
1905 void free_index(CA_DB *db)
1906         {
1907         if (db)
1908                 {
1909                 if (db->db) TXT_DB_free(db->db);
1910                 OPENSSL_free(db);
1911                 }
1912         }
1913
1914 int parse_yesno(char *str, int def)
1915         {
1916         int ret = def;
1917         if (str)
1918                 {
1919                 switch (*str)
1920                         {
1921                 case 'f': /* false */
1922                 case 'F': /* FALSE */
1923                 case 'n': /* no */
1924                 case 'N': /* NO */
1925                 case '0': /* 0 */
1926                         ret = 0;
1927                         break;
1928                 case 't': /* true */
1929                 case 'T': /* TRUE */
1930                 case 'y': /* yes */
1931                 case 'Y': /* YES */
1932                 case '1': /* 1 */
1933                         ret = 0;
1934                         break;
1935                 default:
1936                         ret = def;
1937                         break;
1938                         }
1939                 }
1940         return ret;
1941         }
1942
1943 /*
1944  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1945  * where characters may be escaped by \
1946  */
1947 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
1948         {
1949         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
1950         char *buf = OPENSSL_malloc(buflen);
1951         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
1952         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
1953         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
1954         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
1955
1956         char *sp = subject, *bp = buf;
1957         int i, ne_num = 0;
1958
1959         X509_NAME *n = NULL;
1960         int nid;
1961
1962         if (!buf || !ne_types || !ne_values)
1963                 {
1964                 BIO_printf(bio_err, "malloc error\n");
1965                 goto error;
1966                 }
1967
1968         if (*subject != '/')
1969                 {
1970                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
1971                 goto error;
1972                 }
1973         sp++; /* skip leading / */
1974
1975         /* no multivalued RDN by default */
1976         mval[ne_num] = 0;
1977
1978         while (*sp)
1979                 {
1980                 /* collect type */
1981                 ne_types[ne_num] = bp;
1982                 while (*sp)
1983                         {
1984                         if (*sp == '\\') /* is there anything to escape in the type...? */
1985                                 {
1986                                 if (*++sp)
1987                                         *bp++ = *sp++;
1988                                 else
1989                                         {
1990                                         BIO_printf(bio_err, "escape character at end of string\n");
1991                                         goto error;
1992                                         }
1993                                 }
1994                         else if (*sp == '=')
1995                                 {
1996                                 sp++;
1997                                 *bp++ = '\0';
1998                                 break;
1999                                 }
2000                         else
2001                                 *bp++ = *sp++;
2002                         }
2003                 if (!*sp)
2004                         {
2005                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2006                         goto error;
2007                         }
2008                 ne_values[ne_num] = bp;
2009                 while (*sp)
2010                         {
2011                         if (*sp == '\\')
2012                                 {
2013                                 if (*++sp)
2014                                         *bp++ = *sp++;
2015                                 else
2016                                         {
2017                                         BIO_printf(bio_err, "escape character at end of string\n");
2018                                         goto error;
2019                                         }
2020                                 }
2021                         else if (*sp == '/')
2022                                 {
2023                                 sp++;
2024                                 /* no multivalued RDN by default */
2025                                 mval[ne_num+1] = 0;
2026                                 break;
2027                                 }
2028                         else if (*sp == '+' && multirdn)
2029                                 {
2030                                 /* a not escaped + signals a mutlivalued RDN */
2031                                 sp++;
2032                                 mval[ne_num+1] = -1;
2033                                 break;
2034                                 }
2035                         else
2036                                 *bp++ = *sp++;
2037                         }
2038                 *bp++ = '\0';
2039                 ne_num++;
2040                 }
2041
2042         if (!(n = X509_NAME_new()))
2043                 goto error;
2044
2045         for (i = 0; i < ne_num; i++)
2046                 {
2047                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2048                         {
2049                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2050                         continue;
2051                         }
2052
2053                 if (!*ne_values[i])
2054                         {
2055                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2056                         continue;
2057                         }
2058
2059                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2060                         goto error;
2061                 }
2062
2063         OPENSSL_free(ne_values);
2064         OPENSSL_free(ne_types);
2065         OPENSSL_free(buf);
2066         return n;
2067
2068 error:
2069         X509_NAME_free(n);
2070         if (ne_values)
2071                 OPENSSL_free(ne_values);
2072         if (ne_types)
2073                 OPENSSL_free(ne_types);
2074         if (buf)
2075                 OPENSSL_free(buf);
2076         return NULL;
2077 }
2078
2079 /* This code MUST COME AFTER anything that uses rename() */
2080 #ifdef OPENSSL_SYS_WIN32
2081 int WIN32_rename(char *from, char *to)
2082         {
2083 #ifndef OPENSSL_SYS_WINCE
2084         /* Windows rename gives an error if 'to' exists, so delete it
2085          * first and ignore file not found errror
2086          */
2087         if((remove(to) != 0) && (errno != ENOENT))
2088                 return -1;
2089 #undef rename
2090         return rename(from, to);
2091 #else
2092         /* convert strings to UNICODE */
2093         {
2094         BOOL result = FALSE;
2095         WCHAR* wfrom;
2096         WCHAR* wto;
2097         int i;
2098         wfrom = malloc((strlen(from)+1)*2);
2099         wto = malloc((strlen(to)+1)*2);
2100         if (wfrom != NULL && wto != NULL)
2101                 {
2102                 for (i=0; i<(int)strlen(from)+1; i++)
2103                         wfrom[i] = (short)from[i];
2104                 for (i=0; i<(int)strlen(to)+1; i++)
2105                         wto[i] = (short)to[i];
2106                 result = MoveFile(wfrom, wto);
2107                 }
2108         if (wfrom != NULL)
2109                 free(wfrom);
2110         if (wto != NULL)
2111                 free(wto);
2112         return result;
2113         }
2114 #endif
2115         }
2116 #endif