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 #define NON_MAIN
 134 #include "apps.h"
 135 #undef NON_MAIN
 136
 137 typedef struct {
 138         const char *name;
 139         unsigned long flag;
 140         unsigned long mask;
 141 } NAME_EX_TBL;
 142
 143 static UI_METHOD *ui_method = NULL;
 144
 145 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 146 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 147
 148 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 149 /* Looks like this stuff is worth moving into separate function */
 150 static EVP_PKEY *
 151 load_netscape_key(BIO *err, BIO *key, const char *file,
 152                 const char *key_descrip, int format);
 153 #endif
 154
 155 int app_init(long mesgwin);
 156 #ifdef undef /* never finished - probably never will be :-) */
 157 int args_from_file(char *file, int *argc, char **argv[])
 158         {
 159         FILE *fp;
 160         int num,i;
 161         unsigned int len;
 162         static char *buf=NULL;
 163         static char **arg=NULL;
 164         char *p;
 165         struct stat stbuf;
 166
 167         if (stat(file,&stbuf) < 0) return(0);
 168
 169         fp=fopen(file,"r");
 170         if (fp == NULL)
 171                 return(0);
 172
 173         *argc=0;
 174         *argv=NULL;
 175
 176         len=(unsigned int)stbuf.st_size;
 177         if (buf != NULL) OPENSSL_free(buf);
 178         buf=(char *)OPENSSL_malloc(len+1);
 179         if (buf == NULL) return(0);
 180
 181         len=fread(buf,1,len,fp);
 182         if (len <= 1) return(0);
 183         buf[len]='\0';
 184
 185         i=0;
 186         for (p=buf; *p; p++)
 187                 if (*p == '\n') i++;
 188         if (arg != NULL) OPENSSL_free(arg);
 189         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 190
 191         *argv=arg;
 192         num=0;
 193         p=buf;
 194         for (;;)
 195                 {
 196                 if (!*p) break;
 197                 if (*p == '#') /* comment line */
 198                         {
 199                         while (*p && (*p != '\n')) p++;
 200                         continue;
 201                         }
 202                 /* else we have a line */
 203                 *(arg++)=p;
 204                 num++;
 205                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 206                         p++;
 207                 if (!*p) break;
 208                 if (*p == '\n')
 209                         {
 210                         *(p++)='\0';
 211                         continue;
 212                         }
 213                 /* else it is a tab or space */
 214                 p++;
 215                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 216                         p++;
 217                 if (!*p) break;
 218                 if (*p == '\n')
 219                         {
 220                         p++;
 221                         continue;
 222                         }
 223                 *(arg++)=p++;
 224                 num++;
 225                 while (*p && (*p != '\n')) p++;
 226                 if (!*p) break;
 227                 /* else *p == '\n' */
 228                 *(p++)='\0';
 229                 }
 230         *argc=num;
 231         return(1);
 232         }
 233 #endif
 234
 235 int str2fmt(char *s)
 236         {
 237         if      ((*s == 'D') || (*s == 'd'))
 238                 return(FORMAT_ASN1);
 239         else if ((*s == 'T') || (*s == 't'))
 240                 return(FORMAT_TEXT);
 241         else if ((*s == 'P') || (*s == 'p'))
 242                 return(FORMAT_PEM);
 243         else if ((*s == 'N') || (*s == 'n'))
 244                 return(FORMAT_NETSCAPE);
 245         else if ((*s == 'S') || (*s == 's'))
 246                 return(FORMAT_SMIME);
 247         else if ((*s == '1')
 248                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 249                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 250                 return(FORMAT_PKCS12);
 251         else if ((*s == 'E') || (*s == 'e'))
 252                 return(FORMAT_ENGINE);
 253         else
 254                 return(FORMAT_UNDEF);
 255         }
 256
 257 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 258 void program_name(char *in, char *out, int size)
 259         {
 260         int i,n;
 261         char *p=NULL;
 262
 263         n=strlen(in);
 264         /* find the last '/', '\' or ':' */
 265         for (i=n-1; i>0; i--)
 266                 {
 267                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 268                         {
 269                         p= &(in[i+1]);
 270                         break;
 271                         }
 272                 }
 273         if (p == NULL)
 274                 p=in;
 275         n=strlen(p);
 276
 277 #if defined(OPENSSL_SYS_NETWARE)
 278    /* strip off trailing .nlm if present. */
 279    if ((n > 4) && (p[n-4] == '.') &&
 280       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 281       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 282       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 283       n-=4;
 284 #else
 285         /* strip off trailing .exe if present. */
 286         if ((n > 4) && (p[n-4] == '.') &&
 287                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 288                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 289                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 290                 n-=4;
 291 #endif
 292
 293         if (n > size-1)
 294                 n=size-1;
 295
 296         for (i=0; i<n; i++)
 297                 {
 298                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 299                         out[i]=p[i]-'A'+'a';
 300                 else
 301                         out[i]=p[i];
 302                 }
 303         out[n]='\0';
 304         }
 305 #else
 306 #ifdef OPENSSL_SYS_VMS
 307 void program_name(char *in, char *out, int size)
 308         {
 309         char *p=in, *q;
 310         char *chars=":]>";
 311
 312         while(*chars != '\0')
 313                 {
 314                 q=strrchr(p,*chars);
 315                 if (q > p)
 316                         p = q + 1;
 317                 chars++;
 318                 }
 319
 320         q=strrchr(p,'.');
 321         if (q == NULL)
 322                 q = p + strlen(p);
 323         strncpy(out,p,size-1);
 324         if (q-p >= size)
 325                 {
 326                 out[size-1]='\0';
 327                 }
 328         else
 329                 {
 330                 out[q-p]='\0';
 331                 }
 332         }
 333 #else
 334 void program_name(char *in, char *out, int size)
 335         {
 336         char *p;
 337
 338         p=strrchr(in,'/');
 339         if (p != NULL)
 340                 p++;
 341         else
 342                 p=in;
 343         BUF_strlcpy(out,p,size);
 344         }
 345 #endif
 346 #endif
 347
 348 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 349         {
 350         int num,len,i;
 351         char *p;
 352
 353         *argc=0;
 354         *argv=NULL;
 355
 356         len=strlen(buf);
 357         i=0;
 358         if (arg->count == 0)
 359                 {
 360                 arg->count=20;
 361                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 362                 }
 363         for (i=0; i<arg->count; i++)
 364                 arg->data[i]=NULL;
 365
 366         num=0;
 367         p=buf;
 368         for (;;)
 369                 {
 370                 /* first scan over white space */
 371                 if (!*p) break;
 372                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 373                         p++;
 374                 if (!*p) break;
 375
 376                 /* The start of something good :-) */
 377                 if (num >= arg->count)
 378                         {
 379                         char **tmp_p;
 380                         int tlen = arg->count + 20;
 381                         tmp_p = (char **)OPENSSL_realloc(arg->data,
 382                                 sizeof(char *)*tlen);
 383                         if (tmp_p == NULL)
 384                                 return 0;
 385                         arg->data  = tmp_p;
 386                         arg->count = tlen;
 387                         /* initialize newly allocated data */
 388                         for (i = num; i < arg->count; i++)
 389                                 arg->data[i] = NULL;
 390                         }
 391                 arg->data[num++]=p;
 392
 393                 /* now look for the end of this */
 394                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 395                         {
 396                         i= *(p++);
 397                         arg->data[num-1]++; /* jump over quote */
 398                         while (*p && (*p != i))
 399                                 p++;
 400                         *p='\0';
 401                         }
 402                 else
 403                         {
 404                         while (*p && ((*p != ' ') &&
 405                                 (*p != '\t') && (*p != '\n')))
 406                                 p++;
 407
 408                         if (*p == '\0')
 409                                 p--;
 410                         else
 411                                 *p='\0';
 412                         }
 413                 p++;
 414                 }
 415         *argc=num;
 416         *argv=arg->data;
 417         return(1);
 418         }
 419
 420 #ifndef APP_INIT
 421 int app_init(long mesgwin)
 422         {
 423         return(1);
 424         }
 425 #endif
 426
 427
 428 int dump_cert_text (BIO *out, X509 *x)
 429 {
 430         char *p;
 431
 432         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 433         BIO_puts(out,"subject=");
 434         BIO_puts(out,p);
 435         OPENSSL_free(p);
 436
 437         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 438         BIO_puts(out,"\nissuer=");
 439         BIO_puts(out,p);
 440         BIO_puts(out,"\n");
 441         OPENSSL_free(p);
 442
 443         return 0;
 444 }
 445
 446 static int ui_open(UI *ui)
 447         {
 448         return UI_method_get_opener(UI_OpenSSL())(ui);
 449         }
 450 static int ui_read(UI *ui, UI_STRING *uis)
 451         {
 452         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 453                 && UI_get0_user_data(ui))
 454                 {
 455                 switch(UI_get_string_type(uis))
 456                         {
 457                 case UIT_PROMPT:
 458                 case UIT_VERIFY:
 459                         {
 460                         const char *password =
 461                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 462                         if (password && password[0] != '\0')
 463                                 {
 464                                 UI_set_result(ui, uis, password);
 465                                 return 1;
 466                                 }
 467                         }
 468                 default:
 469                         break;
 470                         }
 471                 }
 472         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 473         }
 474 static int ui_write(UI *ui, UI_STRING *uis)
 475         {
 476         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 477                 && UI_get0_user_data(ui))
 478                 {
 479                 switch(UI_get_string_type(uis))
 480                         {
 481                 case UIT_PROMPT:
 482                 case UIT_VERIFY:
 483                         {
 484                         const char *password =
 485                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 486                         if (password && password[0] != '\0')
 487                                 return 1;
 488                         }
 489                 default:
 490                         break;
 491                         }
 492                 }
 493         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 494         }
 495 static int ui_close(UI *ui)
 496         {
 497         return UI_method_get_closer(UI_OpenSSL())(ui);
 498         }
 499 int setup_ui_method(void)
 500         {
 501         ui_method = UI_create_method("OpenSSL application user interface");
 502         UI_method_set_opener(ui_method, ui_open);
 503         UI_method_set_reader(ui_method, ui_read);
 504         UI_method_set_writer(ui_method, ui_write);
 505         UI_method_set_closer(ui_method, ui_close);
 506         return 0;
 507         }
 508 void destroy_ui_method(void)
 509         {
 510         if(ui_method)
 511                 {
 512                 UI_destroy_method(ui_method);
 513                 ui_method = NULL;
 514                 }
 515         }
 516 int password_callback(char *buf, int bufsiz, int verify,
 517         PW_CB_DATA *cb_tmp)
 518         {
 519         UI *ui = NULL;
 520         int res = 0;
 521         const char *prompt_info = NULL;
 522         const char *password = NULL;
 523         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 524
 525         if (cb_data)
 526                 {
 527                 if (cb_data->password)
 528                         password = cb_data->password;
 529                 if (cb_data->prompt_info)
 530                         prompt_info = cb_data->prompt_info;
 531                 }
 532
 533         if (password)
 534                 {
 535                 res = strlen(password);
 536                 if (res > bufsiz)
 537                         res = bufsiz;
 538                 memcpy(buf, password, res);
 539                 return res;
 540                 }
 541
 542         ui = UI_new_method(ui_method);
 543         if (ui)
 544                 {
 545                 int ok = 0;
 546                 char *buff = NULL;
 547                 int ui_flags = 0;
 548                 char *prompt = NULL;
 549
 550                 prompt = UI_construct_prompt(ui, "pass phrase",
 551                         prompt_info);
 552
 553                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 554                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 555
 556                 if (ok >= 0)
 557                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 558                                 PW_MIN_LENGTH,BUFSIZ-1);
 559                 if (ok >= 0 && verify)
 560                         {
 561                         buff = (char *)OPENSSL_malloc(bufsiz);
 562                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 563                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 564                         }
 565                 if (ok >= 0)
 566                         do
 567                                 {
 568                                 ok = UI_process(ui);
 569                                 }
 570                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 571
 572                 if (buff)
 573                         {
 574                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 575                         OPENSSL_free(buff);
 576                         }
 577
 578                 if (ok >= 0)
 579                         res = strlen(buf);
 580                 if (ok == -1)
 581                         {
 582                         BIO_printf(bio_err, "User interface error\n");
 583                         ERR_print_errors(bio_err);
 584                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 585                         res = 0;
 586                         }
 587                 if (ok == -2)
 588                         {
 589                         BIO_printf(bio_err,"aborted!\n");
 590                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 591                         res = 0;
 592                         }
 593                 UI_free(ui);
 594                 OPENSSL_free(prompt);
 595                 }
 596         return res;
 597         }
 598
 599 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 600
 601 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 602 {
 603         int same;
 604         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 605         else same = 1;
 606         if(arg1) {
 607                 *pass1 = app_get_pass(err, arg1, same);
 608                 if(!*pass1) return 0;
 609         } else if(pass1) *pass1 = NULL;
 610         if(arg2) {
 611                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 612                 if(!*pass2) return 0;
 613         } else if(pass2) *pass2 = NULL;
 614         return 1;
 615 }
 616
 617 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 618 {
 619         char *tmp, tpass[APP_PASS_LEN];
 620         static BIO *pwdbio = NULL;
 621         int i;
 622         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 623         if(!strncmp(arg, "env:", 4)) {
 624                 tmp = getenv(arg + 4);
 625                 if(!tmp) {
 626                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 627                         return NULL;
 628                 }
 629                 return BUF_strdup(tmp);
 630         }
 631         if(!keepbio || !pwdbio) {
 632                 if(!strncmp(arg, "file:", 5)) {
 633                         pwdbio = BIO_new_file(arg + 5, "r");
 634                         if(!pwdbio) {
 635                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 636                                 return NULL;
 637                         }
 638                 } else if(!strncmp(arg, "fd:", 3)) {
 639                         BIO *btmp;
 640                         i = atoi(arg + 3);
 641                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 642                         if((i < 0) || !pwdbio) {
 643                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 644                                 return NULL;
 645                         }
 646                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 647                         btmp = BIO_new(BIO_f_buffer());
 648                         pwdbio = BIO_push(btmp, pwdbio);
 649                 } else if(!strcmp(arg, "stdin")) {
 650                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 651                         if(!pwdbio) {
 652                                 BIO_printf(err, "Can't open BIO for stdin\n");
 653                                 return NULL;
 654                         }
 655                 } else {
 656                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 657                         return NULL;
 658                 }
 659         }
 660         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 661         if(keepbio != 1) {
 662                 BIO_free_all(pwdbio);
 663                 pwdbio = NULL;
 664         }
 665         if(i <= 0) {
 666                 BIO_printf(err, "Error reading password from BIO\n");
 667                 return NULL;
 668         }
 669         tmp = strchr(tpass, '\n');
 670         if(tmp) *tmp = 0;
 671         return BUF_strdup(tpass);
 672 }
 673
 674 int add_oid_section(BIO *err, CONF *conf)
 675 {
 676         char *p;
 677         STACK_OF(CONF_VALUE) *sktmp;
 678         CONF_VALUE *cnf;
 679         int i;
 680         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 681                 {
 682                 ERR_clear_error();
 683                 return 1;
 684                 }
 685         if(!(sktmp = NCONF_get_section(conf, p))) {
 686                 BIO_printf(err, "problem loading oid section %s\n", p);
 687                 return 0;
 688         }
 689         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 690                 cnf = sk_CONF_VALUE_value(sktmp, i);
 691                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 692                         BIO_printf(err, "problem creating object %s=%s\n",
 693                                                          cnf->name, cnf->value);
 694                         return 0;
 695                 }
 696         }
 697         return 1;
 698 }
 699
 700 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 701                 pem_password_cb *pem_cb,  void *cb_data,
 702                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 703         {
 704         const char *pass;
 705         char tpass[PEM_BUFSIZE];
 706         int len, ret = 0;
 707         PKCS12 *p12;
 708         p12 = d2i_PKCS12_bio(in, NULL);
 709         if (p12 == NULL)
 710                 {
 711                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 712                 goto die;
 713                 }
 714         /* See if an empty password will do */
 715         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 716                 pass = "";
 717         else
 718                 {
 719                 if (!pem_cb)
 720                         pem_cb = (pem_password_cb *)password_callback;
 721                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 722                 if (len < 0)
 723                         {
 724                         BIO_printf(err, "Passpharse callback error for %s\n",
 725                                         desc);
 726                         goto die;
 727                         }
 728                 if (len < PEM_BUFSIZE)
 729                         tpass[len] = 0;
 730                 if (!PKCS12_verify_mac(p12, tpass, len))
 731                         {
 732                         BIO_printf(err,
 733         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 734                         goto die;
 735                         }
 736                 pass = tpass;
 737                 }
 738         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 739         die:
 740         if (p12)
 741                 PKCS12_free(p12);
 742         return ret;
 743         }
 744
 745 X509 *load_cert(BIO *err, const char *file, int format,
 746         const char *pass, ENGINE *e, const char *cert_descrip)
 747         {
 748         ASN1_HEADER *ah=NULL;
 749         BUF_MEM *buf=NULL;
 750         X509 *x=NULL;
 751         BIO *cert;
 752
 753         if ((cert=BIO_new(BIO_s_file())) == NULL)
 754                 {
 755                 ERR_print_errors(err);
 756                 goto end;
 757                 }
 758
 759         if (file == NULL)
 760                 {
 761                 setvbuf(stdin, NULL, _IONBF, 0);
 762                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 763                 }
 764         else
 765                 {
 766                 if (BIO_read_filename(cert,file) <= 0)
 767                         {
 768                         BIO_printf(err, "Error opening %s %s\n",
 769                                 cert_descrip, file);
 770                         ERR_print_errors(err);
 771                         goto end;
 772                         }
 773                 }
 774
 775         if      (format == FORMAT_ASN1)
 776                 x=d2i_X509_bio(cert,NULL);
 777         else if (format == FORMAT_NETSCAPE)
 778                 {
 779                 const unsigned char *p,*op;
 780                 int size=0,i;
 781
 782                 /* We sort of have to do it this way because it is sort of nice
 783                  * to read the header first and check it, then
 784                  * try to read the certificate */
 785                 buf=BUF_MEM_new();
 786                 for (;;)
 787                         {
 788                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 789                                 goto end;
 790                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 791                         size+=i;
 792                         if (i == 0) break;
 793                         if (i < 0)
 794                                 {
 795                                 perror("reading certificate");
 796                                 goto end;
 797                                 }
 798                         }
 799                 p=(unsigned char *)buf->data;
 800                 op=p;
 801
 802                 /* First load the header */
 803                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 804                         goto end;
 805                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 806                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 807                         ah->header->length) != 0))
 808                         {
 809                         BIO_printf(err,"Error reading header on certificate\n");
 810                         goto end;
 811                         }
 812                 /* header is ok, so now read the object */
 813                 p=op;
 814                 ah->meth=X509_asn1_meth();
 815                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 816                         goto end;
 817                 x=(X509 *)ah->data;
 818                 ah->data=NULL;
 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 (ah != NULL) ASN1_HEADER_free(ah);
 841         if (cert != NULL) BIO_free(cert);
 842         if (buf != NULL) BUF_MEM_free(buf);
 843         return(x);
 844         }
 845
 846 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 847         const char *pass, ENGINE *e, const char *key_descrip)
 848         {
 849         BIO *key=NULL;
 850         EVP_PKEY *pkey=NULL;
 851         PW_CB_DATA cb_data;
 852
 853         cb_data.password = pass;
 854         cb_data.prompt_info = file;
 855
 856         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 857                 {
 858                 BIO_printf(err,"no keyfile specified\n");
 859                 goto end;
 860                 }
 861 #ifndef OPENSSL_NO_ENGINE
 862         if (format == FORMAT_ENGINE)
 863                 {
 864                 if (!e)
 865                         BIO_printf(bio_err,"no engine specified\n");
 866                 else
 867                         pkey = ENGINE_load_private_key(e, file,
 868                                 ui_method, &cb_data);
 869                 goto end;
 870                 }
 871 #endif
 872         key=BIO_new(BIO_s_file());
 873         if (key == NULL)
 874                 {
 875                 ERR_print_errors(err);
 876                 goto end;
 877                 }
 878         if (file == NULL && maybe_stdin)
 879                 {
 880                 setvbuf(stdin, NULL, _IONBF, 0);
 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
 912                 {
 913                 BIO_printf(err,"bad input format specified for key file\n");
 914                 goto end;
 915                 }
 916  end:
 917         if (key != NULL) BIO_free(key);
 918         if (pkey == NULL)
 919                 BIO_printf(err,"unable to load %s\n", key_descrip);
 920         return(pkey);
 921         }
 922
 923 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 924         const char *pass, ENGINE *e, const char *key_descrip)
 925         {
 926         BIO *key=NULL;
 927         EVP_PKEY *pkey=NULL;
 928         PW_CB_DATA cb_data;
 929
 930         cb_data.password = pass;
 931         cb_data.prompt_info = file;
 932
 933         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 934                 {
 935                 BIO_printf(err,"no keyfile specified\n");
 936                 goto end;
 937                 }
 938 #ifndef OPENSSL_NO_ENGINE
 939         if (format == FORMAT_ENGINE)
 940                 {
 941                 if (!e)
 942                         BIO_printf(bio_err,"no engine specified\n");
 943                 else
 944                         pkey = ENGINE_load_public_key(e, file,
 945                                 ui_method, &cb_data);
 946                 goto end;
 947                 }
 948 #endif
 949         key=BIO_new(BIO_s_file());
 950         if (key == NULL)
 951                 {
 952                 ERR_print_errors(err);
 953                 goto end;
 954                 }
 955         if (file == NULL && maybe_stdin)
 956                 {
 957                 setvbuf(stdin, NULL, _IONBF, 0);
 958                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 959                 }
 960         else
 961                 if (BIO_read_filename(key,file) <= 0)
 962                         {
 963                         BIO_printf(err, "Error opening %s %s\n",
 964                                 key_descrip, file);
 965                         ERR_print_errors(err);
 966                         goto end;
 967                 }
 968         if (format == FORMAT_ASN1)
 969                 {
 970                 pkey=d2i_PUBKEY_bio(key, NULL);
 971                 }
 972         else if (format == FORMAT_PEM)
 973                 {
 974                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 975                         (pem_password_cb *)password_callback, &cb_data);
 976                 }
 977 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 978         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 979                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 980 #endif
 981         else
 982                 {
 983                 BIO_printf(err,"bad input format specified for key file\n");
 984                 goto end;
 985                 }
 986  end:
 987         if (key != NULL) BIO_free(key);
 988         if (pkey == NULL)
 989                 BIO_printf(err,"unable to load %s\n", key_descrip);
 990         return(pkey);
 991         }
 992
 993 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 994 static EVP_PKEY *
 995 load_netscape_key(BIO *err, BIO *key, const char *file,
 996                 const char *key_descrip, int format)
 997         {
 998         EVP_PKEY *pkey;
 999         BUF_MEM *buf;
1000         RSA     *rsa;
1001         const unsigned char *p;
1002         int size, i;
1003
1004         buf=BUF_MEM_new();
1005         pkey = EVP_PKEY_new();
1006         size = 0;
1007         if (buf == NULL || pkey == NULL)
1008                 goto error;
1009         for (;;)
1010                 {
1011                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1012                         goto error;
1013                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1014                 size += i;
1015                 if (i == 0)
1016                         break;
1017                 if (i < 0)
1018                         {
1019                                 BIO_printf(err, "Error reading %s %s",
1020                                         key_descrip, file);
1021                                 goto error;
1022                         }
1023                 }
1024         p=(unsigned char *)buf->data;
1025         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1026                 (format == FORMAT_IISSGC ? 1 : 0));
1027         if (rsa == NULL)
1028                 goto error;
1029         BUF_MEM_free(buf);
1030         EVP_PKEY_set1_RSA(pkey, rsa);
1031         return pkey;
1032 error:
1033         BUF_MEM_free(buf);
1034         EVP_PKEY_free(pkey);
1035         return NULL;
1036         }
1037 #endif /* ndef OPENSSL_NO_RC4 */
1038
1039 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1040         const char *pass, ENGINE *e, const char *cert_descrip)
1041         {
1042         BIO *certs;
1043         int i;
1044         STACK_OF(X509) *othercerts = NULL;
1045         STACK_OF(X509_INFO) *allcerts = NULL;
1046         X509_INFO *xi;
1047         PW_CB_DATA cb_data;
1048
1049         cb_data.password = pass;
1050         cb_data.prompt_info = file;
1051
1052         if((certs = BIO_new(BIO_s_file())) == NULL)
1053                 {
1054                 ERR_print_errors(err);
1055                 goto end;
1056                 }
1057
1058         if (file == NULL)
1059                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1060         else
1061                 {
1062                 if (BIO_read_filename(certs,file) <= 0)
1063                         {
1064                         BIO_printf(err, "Error opening %s %s\n",
1065                                 cert_descrip, file);
1066                         ERR_print_errors(err);
1067                         goto end;
1068                         }
1069                 }
1070
1071         if      (format == FORMAT_PEM)
1072                 {
1073                 othercerts = sk_X509_new_null();
1074                 if(!othercerts)
1075                         {
1076                         sk_X509_free(othercerts);
1077                         othercerts = NULL;
1078                         goto end;
1079                         }
1080                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1081                                 (pem_password_cb *)password_callback, &cb_data);
1082                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1083                         {
1084                         xi = sk_X509_INFO_value (allcerts, i);
1085                         if (xi->x509)
1086                                 {
1087                                 sk_X509_push(othercerts, xi->x509);
1088                                 xi->x509 = NULL;
1089                                 }
1090                         }
1091                 goto end;
1092                 }
1093         else    {
1094                 BIO_printf(err,"bad input format specified for %s\n",
1095                         cert_descrip);
1096                 goto end;
1097                 }
1098 end:
1099         if (othercerts == NULL)
1100                 {
1101                 BIO_printf(err,"unable to load certificates\n");
1102                 ERR_print_errors(err);
1103                 }
1104         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1105         if (certs != NULL) BIO_free(certs);
1106         return(othercerts);
1107         }
1108
1109
1110 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1111 /* Return error for unknown extensions */
1112 #define X509V3_EXT_DEFAULT              0
1113 /* Print error for unknown extensions */
1114 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1115 /* ASN1 parse unknown extensions */
1116 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1117 /* BIO_dump unknown extensions */
1118 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1119
1120 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1121                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1122
1123 int set_cert_ex(unsigned long *flags, const char *arg)
1124 {
1125         static const NAME_EX_TBL cert_tbl[] = {
1126                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1127                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1128                 { "no_header", X509_FLAG_NO_HEADER, 0},
1129                 { "no_version", X509_FLAG_NO_VERSION, 0},
1130                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1131                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1132                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1133                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1134                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1135                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1136                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1137                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1138                 { "no_aux", X509_FLAG_NO_AUX, 0},
1139                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1140                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1141                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1142                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1143                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1144                 { NULL, 0, 0}
1145         };
1146         return set_multi_opts(flags, arg, cert_tbl);
1147 }
1148
1149 int set_name_ex(unsigned long *flags, const char *arg)
1150 {
1151         static const NAME_EX_TBL ex_tbl[] = {
1152                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1153                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1154                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1155                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1156                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1157                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1158                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1159                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1160                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1161                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1162                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1163                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1164                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1165                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1166                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1167                 { "dn_rev", XN_FLAG_DN_REV, 0},
1168                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1169                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1170                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1171                 { "align", XN_FLAG_FN_ALIGN, 0},
1172                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1173                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1174                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1175                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1176                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1177                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1178                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1179                 { NULL, 0, 0}
1180         };
1181         return set_multi_opts(flags, arg, ex_tbl);
1182 }
1183
1184 int set_ext_copy(int *copy_type, const char *arg)
1185 {
1186         if (!strcasecmp(arg, "none"))
1187                 *copy_type = EXT_COPY_NONE;
1188         else if (!strcasecmp(arg, "copy"))
1189                 *copy_type = EXT_COPY_ADD;
1190         else if (!strcasecmp(arg, "copyall"))
1191                 *copy_type = EXT_COPY_ALL;
1192         else
1193                 return 0;
1194         return 1;
1195 }
1196
1197 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1198 {
1199         STACK_OF(X509_EXTENSION) *exts = NULL;
1200         X509_EXTENSION *ext, *tmpext;
1201         ASN1_OBJECT *obj;
1202         int i, idx, ret = 0;
1203         if (!x || !req || (copy_type == EXT_COPY_NONE))
1204                 return 1;
1205         exts = X509_REQ_get_extensions(req);
1206
1207         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1208                 ext = sk_X509_EXTENSION_value(exts, i);
1209                 obj = X509_EXTENSION_get_object(ext);
1210                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1211                 /* Does extension exist? */
1212                 if (idx != -1) {
1213                         /* If normal copy don't override existing extension */
1214                         if (copy_type == EXT_COPY_ADD)
1215                                 continue;
1216                         /* Delete all extensions of same type */
1217                         do {
1218                                 tmpext = X509_get_ext(x, idx);
1219                                 X509_delete_ext(x, idx);
1220                                 X509_EXTENSION_free(tmpext);
1221                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1222                         } while (idx != -1);
1223                 }
1224                 if (!X509_add_ext(x, ext, -1))
1225                         goto end;
1226         }
1227
1228         ret = 1;
1229
1230         end:
1231
1232         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1233
1234         return ret;
1235 }
1236
1237
1238
1239
1240 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1241 {
1242         STACK_OF(CONF_VALUE) *vals;
1243         CONF_VALUE *val;
1244         int i, ret = 1;
1245         if(!arg) return 0;
1246         vals = X509V3_parse_list(arg);
1247         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1248                 val = sk_CONF_VALUE_value(vals, i);
1249                 if (!set_table_opts(flags, val->name, in_tbl))
1250                         ret = 0;
1251         }
1252         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1253         return ret;
1254 }
1255
1256 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1257 {
1258         char c;
1259         const NAME_EX_TBL *ptbl;
1260         c = arg[0];
1261
1262         if(c == '-') {
1263                 c = 0;
1264                 arg++;
1265         } else if (c == '+') {
1266                 c = 1;
1267                 arg++;
1268         } else c = 1;
1269
1270         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1271                 if(!strcasecmp(arg, ptbl->name)) {
1272                         *flags &= ~ptbl->mask;
1273                         if(c) *flags |= ptbl->flag;
1274                         else *flags &= ~ptbl->flag;
1275                         return 1;
1276                 }
1277         }
1278         return 0;
1279 }
1280
1281 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1282 {
1283         char *buf;
1284         char mline = 0;
1285         int indent = 0;
1286
1287         if(title) BIO_puts(out, title);
1288         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1289                 mline = 1;
1290                 indent = 4;
1291         }
1292         if(lflags == XN_FLAG_COMPAT) {
1293                 buf = X509_NAME_oneline(nm, 0, 0);
1294                 BIO_puts(out, buf);
1295                 BIO_puts(out, "\n");
1296                 OPENSSL_free(buf);
1297         } else {
1298                 if(mline) BIO_puts(out, "\n");
1299                 X509_NAME_print_ex(out, nm, indent, lflags);
1300                 BIO_puts(out, "\n");
1301         }
1302 }
1303
1304 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1305 {
1306         X509_STORE *store;
1307         X509_LOOKUP *lookup;
1308         if(!(store = X509_STORE_new())) goto end;
1309         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1310         if (lookup == NULL) goto end;
1311         if (CAfile) {
1312                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1313                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1314                         goto end;
1315                 }
1316         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1317
1318         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1319         if (lookup == NULL) goto end;
1320         if (CApath) {
1321                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1322                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1323                         goto end;
1324                 }
1325         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1326
1327         ERR_clear_error();
1328         return store;
1329         end:
1330         X509_STORE_free(store);
1331         return NULL;
1332 }
1333
1334 #ifndef OPENSSL_NO_ENGINE
1335 /* Try to load an engine in a shareable library */
1336 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1337         {
1338         ENGINE *e = ENGINE_by_id("dynamic");
1339         if (e)
1340                 {
1341                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1342                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1343                         {
1344                         ENGINE_free(e);
1345                         e = NULL;
1346                         }
1347                 }
1348         return e;
1349         }
1350
1351 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1352         {
1353         ENGINE *e = NULL;
1354
1355         if (engine)
1356                 {
1357                 if(strcmp(engine, "auto") == 0)
1358                         {
1359                         BIO_printf(err,"enabling auto ENGINE support\n");
1360                         ENGINE_register_all_complete();
1361                         return NULL;
1362                         }
1363                 if((e = ENGINE_by_id(engine)) == NULL
1364                         && (e = try_load_engine(err, engine, debug)) == NULL)
1365                         {
1366                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1367                         ERR_print_errors(err);
1368                         return NULL;
1369                         }
1370                 if (debug)
1371                         {
1372                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1373                                 0, err, 0);
1374                         }
1375                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1376                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1377                         {
1378                         BIO_printf(err,"can't use that engine\n");
1379                         ERR_print_errors(err);
1380                         ENGINE_free(e);
1381                         return NULL;
1382                         }
1383
1384                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1385
1386                 /* Free our "structural" reference. */
1387                 ENGINE_free(e);
1388                 }
1389         return e;
1390         }
1391 #endif
1392
1393 int load_config(BIO *err, CONF *cnf)
1394         {
1395         if (!cnf)
1396                 cnf = config;
1397         if (!cnf)
1398                 return 1;
1399
1400         OPENSSL_load_builtin_modules();
1401
1402         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1403                 {
1404                 BIO_printf(err, "Error configuring OpenSSL\n");
1405                 ERR_print_errors(err);
1406                 return 0;
1407                 }
1408         return 1;
1409         }
1410
1411 char *make_config_name()
1412         {
1413         const char *t=X509_get_default_cert_area();
1414         size_t len;
1415         char *p;
1416
1417         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1418         p=OPENSSL_malloc(len);
1419         BUF_strlcpy(p,t,len);
1420 #ifndef OPENSSL_SYS_VMS
1421         BUF_strlcat(p,"/",len);
1422 #endif
1423         BUF_strlcat(p,OPENSSL_CONF,len);
1424
1425         return p;
1426         }
1427
1428 static unsigned long index_serial_hash(const char **a)
1429         {
1430         const char *n;
1431
1432         n=a[DB_serial];
1433         while (*n == '0') n++;
1434         return(lh_strhash(n));
1435         }
1436
1437 static int index_serial_cmp(const char **a, const char **b)
1438         {
1439         const char *aa,*bb;
1440
1441         for (aa=a[DB_serial]; *aa == '0'; aa++);
1442         for (bb=b[DB_serial]; *bb == '0'; bb++);
1443         return(strcmp(aa,bb));
1444         }
1445
1446 static int index_name_qual(char **a)
1447         { return(a[0][0] == 'V'); }
1448
1449 static unsigned long index_name_hash(const char **a)
1450         { return(lh_strhash(a[DB_name])); }
1451
1452 int index_name_cmp(const char **a, const char **b)
1453         { return(strcmp(a[DB_name],
1454              b[DB_name])); }
1455
1456 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1457 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1458 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1459 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1460
1461 #undef BSIZE
1462 #define BSIZE 256
1463
1464 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1465         {
1466         BIO *in=NULL;
1467         BIGNUM *ret=NULL;
1468         MS_STATIC char buf[1024];
1469         ASN1_INTEGER *ai=NULL;
1470
1471         ai=ASN1_INTEGER_new();
1472         if (ai == NULL) goto err;
1473
1474         if ((in=BIO_new(BIO_s_file())) == NULL)
1475                 {
1476                 ERR_print_errors(bio_err);
1477                 goto err;
1478                 }
1479
1480         if (BIO_read_filename(in,serialfile) <= 0)
1481                 {
1482                 if (!create)
1483                         {
1484                         perror(serialfile);
1485                         goto err;
1486                         }
1487                 else
1488                         {
1489                         ret=BN_new();
1490                         if (ret == NULL || !rand_serial(ret, ai))
1491                                 BIO_printf(bio_err, "Out of memory\n");
1492                         }
1493                 }
1494         else
1495                 {
1496                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1497                         {
1498                         BIO_printf(bio_err,"unable to load number from %s\n",
1499                                 serialfile);
1500                         goto err;
1501                         }
1502                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1503                 if (ret == NULL)
1504                         {
1505                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1506                         goto err;
1507                         }
1508                 }
1509
1510         if (ret && retai)
1511                 {
1512                 *retai = ai;
1513                 ai = NULL;
1514                 }
1515  err:
1516         if (in != NULL) BIO_free(in);
1517         if (ai != NULL) ASN1_INTEGER_free(ai);
1518         return(ret);
1519         }
1520
1521 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1522         {
1523         char buf[1][BSIZE];
1524         BIO *out = NULL;
1525         int ret=0;
1526         ASN1_INTEGER *ai=NULL;
1527         int j;
1528
1529         if (suffix == NULL)
1530                 j = strlen(serialfile);
1531         else
1532                 j = strlen(serialfile) + strlen(suffix) + 1;
1533         if (j >= BSIZE)
1534                 {
1535                 BIO_printf(bio_err,"file name too long\n");
1536                 goto err;
1537                 }
1538
1539         if (suffix == NULL)
1540                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1541         else
1542                 {
1543 #ifndef OPENSSL_SYS_VMS
1544                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1545 #else
1546                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1547 #endif
1548                 }
1549 #ifdef RL_DEBUG
1550         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1551 #endif
1552         out=BIO_new(BIO_s_file());
1553         if (out == NULL)
1554                 {
1555                 ERR_print_errors(bio_err);
1556                 goto err;
1557                 }
1558         if (BIO_write_filename(out,buf[0]) <= 0)
1559                 {
1560                 perror(serialfile);
1561                 goto err;
1562                 }
1563
1564         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1565                 {
1566                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1567                 goto err;
1568                 }
1569         i2a_ASN1_INTEGER(out,ai);
1570         BIO_puts(out,"\n");
1571         ret=1;
1572         if (retai)
1573                 {
1574                 *retai = ai;
1575                 ai = NULL;
1576                 }
1577 err:
1578         if (out != NULL) BIO_free_all(out);
1579         if (ai != NULL) ASN1_INTEGER_free(ai);
1580         return(ret);
1581         }
1582
1583 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1584         {
1585         char buf[5][BSIZE];
1586         int i,j;
1587         struct stat sb;
1588
1589         i = strlen(serialfile) + strlen(old_suffix);
1590         j = strlen(serialfile) + strlen(new_suffix);
1591         if (i > j) j = i;
1592         if (j + 1 >= BSIZE)
1593                 {
1594                 BIO_printf(bio_err,"file name too long\n");
1595                 goto err;
1596                 }
1597
1598 #ifndef OPENSSL_SYS_VMS
1599         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1600                 serialfile, new_suffix);
1601 #else
1602         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1603                 serialfile, new_suffix);
1604 #endif
1605 #ifndef OPENSSL_SYS_VMS
1606         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1607                 serialfile, old_suffix);
1608 #else
1609         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1610                 serialfile, old_suffix);
1611 #endif
1612         if (stat(serialfile,&sb) < 0)
1613                 {
1614                 if (errno != ENOENT
1615 #ifdef ENOTDIR
1616                         && errno != ENOTDIR
1617 #endif
1618                    )
1619                         goto err;
1620                 }
1621         else
1622                 {
1623 #ifdef RL_DEBUG
1624                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1625                         serialfile, buf[1]);
1626 #endif
1627                 if (rename(serialfile,buf[1]) < 0)
1628                         {
1629                         BIO_printf(bio_err,
1630                                 "unable to rename %s to %s\n",
1631                                 serialfile, buf[1]);
1632                         perror("reason");
1633                         goto err;
1634                         }
1635                 }
1636 #ifdef RL_DEBUG
1637         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1638                 buf[0],serialfile);
1639 #endif
1640         if (rename(buf[0],serialfile) < 0)
1641                 {
1642                 BIO_printf(bio_err,
1643                         "unable to rename %s to %s\n",
1644                         buf[0],serialfile);
1645                 perror("reason");
1646                 rename(buf[1],serialfile);
1647                 goto err;
1648                 }
1649         return 1;
1650  err:
1651         return 0;
1652         }
1653
1654 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1655         {
1656         BIGNUM *btmp;
1657         int ret = 0;
1658         if (b)
1659                 btmp = b;
1660         else
1661                 btmp = BN_new();
1662
1663         if (!btmp)
1664                 return 0;
1665
1666         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1667                 goto error;
1668         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1669                 goto error;
1670
1671         ret = 1;
1672
1673         error:
1674
1675         if (!b)
1676                 BN_free(btmp);
1677
1678         return ret;
1679         }
1680
1681 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1682         {
1683         CA_DB *retdb = NULL;
1684         TXT_DB *tmpdb = NULL;
1685         BIO *in = BIO_new(BIO_s_file());
1686         CONF *dbattr_conf = NULL;
1687         char buf[1][BSIZE];
1688         long errorline= -1;
1689
1690         if (in == NULL)
1691                 {
1692                 ERR_print_errors(bio_err);
1693                 goto err;
1694                 }
1695         if (BIO_read_filename(in,dbfile) <= 0)
1696                 {
1697                 perror(dbfile);
1698                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1699                 goto err;
1700                 }
1701         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1702                 {
1703                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1704                 goto err;
1705                 }
1706
1707 #ifndef OPENSSL_SYS_VMS
1708         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1709 #else
1710         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1711 #endif
1712         dbattr_conf = NCONF_new(NULL);
1713         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1714                 {
1715                 if (errorline > 0)
1716                         {
1717                         BIO_printf(bio_err,
1718                                 "error on line %ld of db attribute file '%s'\n"
1719                                 ,errorline,buf[0]);
1720                         goto err;
1721                         }
1722                 else
1723                         {
1724                         NCONF_free(dbattr_conf);
1725                         dbattr_conf = NULL;
1726                         }
1727                 }
1728
1729         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1730                 {
1731                 fprintf(stderr, "Out of memory\n");
1732                 goto err;
1733                 }
1734
1735         retdb->db = tmpdb;
1736         tmpdb = NULL;
1737         if (db_attr)
1738                 retdb->attributes = *db_attr;
1739         else
1740                 {
1741                 retdb->attributes.unique_subject = 1;
1742                 }
1743
1744         if (dbattr_conf)
1745                 {
1746                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1747                 if (p)
1748                         {
1749 #ifdef RL_DEBUG
1750                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1751 #endif
1752                         retdb->attributes.unique_subject = parse_yesno(p,1);
1753                         }
1754                 }
1755
1756  err:
1757         if (dbattr_conf) NCONF_free(dbattr_conf);
1758         if (tmpdb) TXT_DB_free(tmpdb);
1759         if (in) BIO_free_all(in);
1760         return retdb;
1761         }
1762
1763 int index_index(CA_DB *db)
1764         {
1765         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1766                                 LHASH_HASH_FN(index_serial_hash),
1767                                 LHASH_COMP_FN(index_serial_cmp)))
1768                 {
1769                 BIO_printf(bio_err,
1770                   "error creating serial number index:(%ld,%ld,%ld)\n",
1771                                         db->db->error,db->db->arg1,db->db->arg2);
1772                         return 0;
1773                 }
1774
1775         if (db->attributes.unique_subject
1776                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1777                         LHASH_HASH_FN(index_name_hash),
1778                         LHASH_COMP_FN(index_name_cmp)))
1779                 {
1780                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1781                         db->db->error,db->db->arg1,db->db->arg2);
1782                 return 0;
1783                 }
1784         return 1;
1785         }
1786
1787 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1788         {
1789         char buf[3][BSIZE];
1790         BIO *out = BIO_new(BIO_s_file());
1791         int j;
1792
1793         if (out == NULL)
1794                 {
1795                 ERR_print_errors(bio_err);
1796                 goto err;
1797                 }
1798
1799         j = strlen(dbfile) + strlen(suffix);
1800         if (j + 6 >= BSIZE)
1801                 {
1802                 BIO_printf(bio_err,"file name too long\n");
1803                 goto err;
1804                 }
1805
1806 #ifndef OPENSSL_SYS_VMS
1807         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1808 #else
1809         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1810 #endif
1811 #ifndef OPENSSL_SYS_VMS
1812         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1813 #else
1814         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1815 #endif
1816 #ifndef OPENSSL_SYS_VMS
1817         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1818 #else
1819         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1820 #endif
1821 #ifdef RL_DEBUG
1822         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1823 #endif
1824         if (BIO_write_filename(out,buf[0]) <= 0)
1825                 {
1826                 perror(dbfile);
1827                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1828                 goto err;
1829                 }
1830         j=TXT_DB_write(out,db->db);
1831         if (j <= 0) goto err;
1832
1833         BIO_free(out);
1834
1835         out = BIO_new(BIO_s_file());
1836 #ifdef RL_DEBUG
1837         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1838 #endif
1839         if (BIO_write_filename(out,buf[1]) <= 0)
1840                 {
1841                 perror(buf[2]);
1842                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1843                 goto err;
1844                 }
1845         BIO_printf(out,"unique_subject = %s\n",
1846                 db->attributes.unique_subject ? "yes" : "no");
1847         BIO_free(out);
1848
1849         return 1;
1850  err:
1851         return 0;
1852         }
1853
1854 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1855         {
1856         char buf[5][BSIZE];
1857         int i,j;
1858         struct stat sb;
1859
1860         i = strlen(dbfile) + strlen(old_suffix);
1861         j = strlen(dbfile) + strlen(new_suffix);
1862         if (i > j) j = i;
1863         if (j + 6 >= BSIZE)
1864                 {
1865                 BIO_printf(bio_err,"file name too long\n");
1866                 goto err;
1867                 }
1868
1869 #ifndef OPENSSL_SYS_VMS
1870         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1871 #else
1872         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1873 #endif
1874 #ifndef OPENSSL_SYS_VMS
1875         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1876                 dbfile, new_suffix);
1877 #else
1878         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1879                 dbfile, new_suffix);
1880 #endif
1881 #ifndef OPENSSL_SYS_VMS
1882         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1883                 dbfile, new_suffix);
1884 #else
1885         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1886                 dbfile, new_suffix);
1887 #endif
1888 #ifndef OPENSSL_SYS_VMS
1889         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1890                 dbfile, old_suffix);
1891 #else
1892         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1893                 dbfile, old_suffix);
1894 #endif
1895 #ifndef OPENSSL_SYS_VMS
1896         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1897                 dbfile, old_suffix);
1898 #else
1899         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1900                 dbfile, old_suffix);
1901 #endif
1902         if (stat(dbfile,&sb) < 0)
1903                 {
1904                 if (errno != ENOENT
1905 #ifdef ENOTDIR
1906                         && errno != ENOTDIR
1907 #endif
1908                    )
1909                         goto err;
1910                 }
1911         else
1912                 {
1913 #ifdef RL_DEBUG
1914                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1915                         dbfile, buf[1]);
1916 #endif
1917                 if (rename(dbfile,buf[1]) < 0)
1918                         {
1919                         BIO_printf(bio_err,
1920                                 "unable to rename %s to %s\n",
1921                                 dbfile, buf[1]);
1922                         perror("reason");
1923                         goto err;
1924                         }
1925                 }
1926 #ifdef RL_DEBUG
1927         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1928                 buf[0],dbfile);
1929 #endif
1930         if (rename(buf[0],dbfile) < 0)
1931                 {
1932                 BIO_printf(bio_err,
1933                         "unable to rename %s to %s\n",
1934                         buf[0],dbfile);
1935                 perror("reason");
1936                 rename(buf[1],dbfile);
1937                 goto err;
1938                 }
1939         if (stat(buf[4],&sb) < 0)
1940                 {
1941                 if (errno != ENOENT
1942 #ifdef ENOTDIR
1943                         && errno != ENOTDIR
1944 #endif
1945                    )
1946                         goto err;
1947                 }
1948         else
1949                 {
1950 #ifdef RL_DEBUG
1951                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1952                         buf[4],buf[3]);
1953 #endif
1954                 if (rename(buf[4],buf[3]) < 0)
1955                         {
1956                         BIO_printf(bio_err,
1957                                 "unable to rename %s to %s\n",
1958                                 buf[4], buf[3]);
1959                         perror("reason");
1960                         rename(dbfile,buf[0]);
1961                         rename(buf[1],dbfile);
1962                         goto err;
1963                         }
1964                 }
1965 #ifdef RL_DEBUG
1966         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1967                 buf[2],buf[4]);
1968 #endif
1969         if (rename(buf[2],buf[4]) < 0)
1970                 {
1971                 BIO_printf(bio_err,
1972                         "unable to rename %s to %s\n",
1973                         buf[2],buf[4]);
1974                 perror("reason");
1975                 rename(buf[3],buf[4]);
1976                 rename(dbfile,buf[0]);
1977                 rename(buf[1],dbfile);
1978                 goto err;
1979                 }
1980         return 1;
1981  err:
1982         return 0;
1983         }
1984
1985 void free_index(CA_DB *db)
1986         {
1987         if (db)
1988                 {
1989                 if (db->db) TXT_DB_free(db->db);
1990                 OPENSSL_free(db);
1991                 }
1992         }
1993
1994 int parse_yesno(const char *str, int def)
1995         {
1996         int ret = def;
1997         if (str)
1998                 {
1999                 switch (*str)
2000                         {
2001                 case 'f': /* false */
2002                 case 'F': /* FALSE */
2003                 case 'n': /* no */
2004                 case 'N': /* NO */
2005                 case '0': /* 0 */
2006                         ret = 0;
2007                         break;
2008                 case 't': /* true */
2009                 case 'T': /* TRUE */
2010                 case 'y': /* yes */
2011                 case 'Y': /* YES */
2012                 case '1': /* 1 */
2013                         ret = 0;
2014                         break;
2015                 default:
2016                         ret = def;
2017                         break;
2018                         }
2019                 }
2020         return ret;
2021         }
2022
2023 /*
2024  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2025  * where characters may be escaped by \
2026  */
2027 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2028         {
2029         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2030         char *buf = OPENSSL_malloc(buflen);
2031         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2032         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2033         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2034         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2035
2036         char *sp = subject, *bp = buf;
2037         int i, ne_num = 0;
2038
2039         X509_NAME *n = NULL;
2040         int nid;
2041
2042         if (!buf || !ne_types || !ne_values)
2043                 {
2044                 BIO_printf(bio_err, "malloc error\n");
2045                 goto error;
2046                 }
2047
2048         if (*subject != '/')
2049                 {
2050                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2051                 goto error;
2052                 }
2053         sp++; /* skip leading / */
2054
2055         /* no multivalued RDN by default */
2056         mval[ne_num] = 0;
2057
2058         while (*sp)
2059                 {
2060                 /* collect type */
2061                 ne_types[ne_num] = bp;
2062                 while (*sp)
2063                         {
2064                         if (*sp == '\\') /* is there anything to escape in the type...? */
2065                                 {
2066                                 if (*++sp)
2067                                         *bp++ = *sp++;
2068                                 else
2069                                         {
2070                                         BIO_printf(bio_err, "escape character at end of string\n");
2071                                         goto error;
2072                                         }
2073                                 }
2074                         else if (*sp == '=')
2075                                 {
2076                                 sp++;
2077                                 *bp++ = '\0';
2078                                 break;
2079                                 }
2080                         else
2081                                 *bp++ = *sp++;
2082                         }
2083                 if (!*sp)
2084                         {
2085                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2086                         goto error;
2087                         }
2088                 ne_values[ne_num] = bp;
2089                 while (*sp)
2090                         {
2091                         if (*sp == '\\')
2092                                 {
2093                                 if (*++sp)
2094                                         *bp++ = *sp++;
2095                                 else
2096                                         {
2097                                         BIO_printf(bio_err, "escape character at end of string\n");
2098                                         goto error;
2099                                         }
2100                                 }
2101                         else if (*sp == '/')
2102                                 {
2103                                 sp++;
2104                                 /* no multivalued RDN by default */
2105                                 mval[ne_num+1] = 0;
2106                                 break;
2107                                 }
2108                         else if (*sp == '+' && multirdn)
2109                                 {
2110                                 /* a not escaped + signals a mutlivalued RDN */
2111                                 sp++;
2112                                 mval[ne_num+1] = -1;
2113                                 break;
2114                                 }
2115                         else
2116                                 *bp++ = *sp++;
2117                         }
2118                 *bp++ = '\0';
2119                 ne_num++;
2120                 }
2121
2122         if (!(n = X509_NAME_new()))
2123                 goto error;
2124
2125         for (i = 0; i < ne_num; i++)
2126                 {
2127                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2128                         {
2129                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2130                         continue;
2131                         }
2132
2133                 if (!*ne_values[i])
2134                         {
2135                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2136                         continue;
2137                         }
2138
2139                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2140                         goto error;
2141                 }
2142
2143         OPENSSL_free(ne_values);
2144         OPENSSL_free(ne_types);
2145         OPENSSL_free(buf);
2146         return n;
2147
2148 error:
2149         X509_NAME_free(n);
2150         if (ne_values)
2151                 OPENSSL_free(ne_values);
2152         if (ne_types)
2153                 OPENSSL_free(ne_types);
2154         if (buf)
2155                 OPENSSL_free(buf);
2156         return NULL;
2157 }
2158
2159 /* This code MUST COME AFTER anything that uses rename() */
2160 #ifdef OPENSSL_SYS_WIN32
2161 int WIN32_rename(const char *from, const char *to)
2162         {
2163 #ifndef OPENSSL_SYS_WINCE
2164         /* Windows rename gives an error if 'to' exists, so delete it
2165          * first and ignore file not found errror
2166          */
2167         if((remove(to) != 0) && (errno != ENOENT))
2168                 return -1;
2169 #undef rename
2170         return rename(from, to);
2171 #else
2172         /* convert strings to UNICODE */
2173         {
2174         BOOL result = FALSE;
2175         WCHAR* wfrom;
2176         WCHAR* wto;
2177         int i;
2178         wfrom = malloc((strlen(from)+1)*2);
2179         wto = malloc((strlen(to)+1)*2);
2180         if (wfrom != NULL && wto != NULL)
2181                 {
2182                 for (i=0; i<(int)strlen(from)+1; i++)
2183                         wfrom[i] = (short)from[i];
2184                 for (i=0; i<(int)strlen(to)+1; i++)
2185                         wto[i] = (short)to[i];
2186                 result = MoveFile(wfrom, wto);
2187                 }
2188         if (wfrom != NULL)
2189                 free(wfrom);
2190         if (wto != NULL)
2191                 free(wto);
2192         return result;
2193         }
2194 #endif
2195         }
2196 #endif
2197
2198 int args_verify(char ***pargs, int *pargc,
2199                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2200         {
2201         ASN1_OBJECT *otmp = NULL;
2202         unsigned long flags = 0;
2203         int i;
2204         int purpose = 0;
2205         char **oldargs = *pargs;
2206         char *arg = **pargs, *argn = (*pargs)[1];
2207         if (!strcmp(arg, "-policy"))
2208                 {
2209                 if (!argn)
2210                         *badarg = 1;
2211                 else
2212                         {
2213                         otmp = OBJ_txt2obj(argn, 0);
2214                         if (!otmp)
2215                                 {
2216                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2217                                                                         argn);
2218                                 *badarg = 1;
2219                                 }
2220                         }
2221                 (*pargs)++;
2222                 }
2223         else if (strcmp(arg,"-purpose") == 0)
2224                 {
2225                 X509_PURPOSE *xptmp;
2226                 if (!argn)
2227                         *badarg = 1;
2228                 else
2229                         {
2230                         i = X509_PURPOSE_get_by_sname(argn);
2231                         if(i < 0)
2232                                 {
2233                                 BIO_printf(err, "unrecognized purpose\n");
2234                                 *badarg = 1;
2235                                 }
2236                         else
2237                                 {
2238                                 xptmp = X509_PURPOSE_get0(i);
2239                                 purpose = X509_PURPOSE_get_id(xptmp);
2240                                 }
2241                         }
2242                 (*pargs)++;
2243                 }
2244         else if (!strcmp(arg, "-ignore_critical"))
2245                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2246         else if (!strcmp(arg, "-issuer_checks"))
2247                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2248         else if (!strcmp(arg, "-crl_check"))
2249                 flags |=  X509_V_FLAG_CRL_CHECK;
2250         else if (!strcmp(arg, "-crl_check_all"))
2251                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2252         else if (!strcmp(arg, "-policy_check"))
2253                 flags |= X509_V_FLAG_POLICY_CHECK;
2254         else if (!strcmp(arg, "-explicit_policy"))
2255                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2256         else if (!strcmp(arg, "-x509_strict"))
2257                 flags |= X509_V_FLAG_X509_STRICT;
2258         else if (!strcmp(arg, "-policy_print"))
2259                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2260         else
2261                 return 0;
2262
2263         if (*badarg)
2264                 {
2265                 if (*pm)
2266                         X509_VERIFY_PARAM_free(*pm);
2267                 *pm = NULL;
2268                 goto end;
2269                 }
2270
2271         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2272                 {
2273                 *badarg = 1;
2274                 goto end;
2275                 }
2276
2277         if (otmp)
2278                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2279         if (flags)
2280                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2281
2282         if (purpose)
2283                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2284
2285         end:
2286
2287         (*pargs)++;
2288
2289         if (pargc)
2290                 *pargc -= *pargs - oldargs;
2291
2292         return 1;
2293
2294         }
2295
2296 static void nodes_print(BIO *out, const char *name,
2297         STACK_OF(X509_POLICY_NODE) *nodes)
2298         {
2299         X509_POLICY_NODE *node;
2300         int i;
2301         BIO_printf(out, "%s Policies:", name);
2302         if (nodes)
2303                 {
2304                 BIO_puts(out, "\n");
2305                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2306                         {
2307                         node = sk_X509_POLICY_NODE_value(nodes, i);
2308                         X509_POLICY_NODE_print(out, node, 2);
2309                         }
2310                 }
2311         else
2312                 BIO_puts(out, " <empty>\n");
2313         }
2314
2315 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2316         {
2317         X509_POLICY_TREE *tree;
2318         int explicit_policy;
2319         int free_out = 0;
2320         if (out == NULL)
2321                 {
2322                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2323                 free_out = 1;
2324                 }
2325         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2326         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2327
2328         BIO_printf(out, "Require explicit Policy: %s\n",
2329                                 explicit_policy ? "True" : "False");
2330
2331         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2332         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2333         if (free_out)
2334                 BIO_free(out);
2335         }