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         X509 *x=NULL;
 749         BIO *cert;
 750
 751         if ((cert=BIO_new(BIO_s_file())) == NULL)
 752                 {
 753                 ERR_print_errors(err);
 754                 goto end;
 755                 }
 756
 757         if (file == NULL)
 758                 {
 759                 setvbuf(stdin, NULL, _IONBF, 0);
 760                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 761                 }
 762         else
 763                 {
 764                 if (BIO_read_filename(cert,file) <= 0)
 765                         {
 766                         BIO_printf(err, "Error opening %s %s\n",
 767                                 cert_descrip, file);
 768                         ERR_print_errors(err);
 769                         goto end;
 770                         }
 771                 }
 772
 773         if      (format == FORMAT_ASN1)
 774                 x=d2i_X509_bio(cert,NULL);
 775         else if (format == FORMAT_NETSCAPE)
 776                 {
 777                 NETSCAPE_X509 *nx;
 778                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
 779                 if (nx == NULL)
 780                                 goto end;
 781
 782                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
 783                         nx->header->length) != 0))
 784                         {
 785                         NETSCAPE_X509_free(nx);
 786                         BIO_printf(err,"Error reading header on certificate\n");
 787                         goto end;
 788                         }
 789                 x=nx->cert;
 790                 nx->cert = NULL;
 791                 NETSCAPE_X509_free(nx);
 792                 }
 793         else if (format == FORMAT_PEM)
 794                 x=PEM_read_bio_X509_AUX(cert,NULL,
 795                         (pem_password_cb *)password_callback, NULL);
 796         else if (format == FORMAT_PKCS12)
 797                 {
 798                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 799                                         NULL, &x, NULL))
 800                         goto end;
 801                 }
 802         else    {
 803                 BIO_printf(err,"bad input format specified for %s\n",
 804                         cert_descrip);
 805                 goto end;
 806                 }
 807 end:
 808         if (x == NULL)
 809                 {
 810                 BIO_printf(err,"unable to load certificate\n");
 811                 ERR_print_errors(err);
 812                 }
 813         if (cert != NULL) BIO_free(cert);
 814         return(x);
 815         }
 816
 817 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 818         const char *pass, ENGINE *e, const char *key_descrip)
 819         {
 820         BIO *key=NULL;
 821         EVP_PKEY *pkey=NULL;
 822         PW_CB_DATA cb_data;
 823
 824         cb_data.password = pass;
 825         cb_data.prompt_info = file;
 826
 827         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 828                 {
 829                 BIO_printf(err,"no keyfile specified\n");
 830                 goto end;
 831                 }
 832 #ifndef OPENSSL_NO_ENGINE
 833         if (format == FORMAT_ENGINE)
 834                 {
 835                 if (!e)
 836                         BIO_printf(bio_err,"no engine specified\n");
 837                 else
 838                         pkey = ENGINE_load_private_key(e, file,
 839                                 ui_method, &cb_data);
 840                 goto end;
 841                 }
 842 #endif
 843         key=BIO_new(BIO_s_file());
 844         if (key == NULL)
 845                 {
 846                 ERR_print_errors(err);
 847                 goto end;
 848                 }
 849         if (file == NULL && maybe_stdin)
 850                 {
 851                 setvbuf(stdin, NULL, _IONBF, 0);
 852                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 853                 }
 854         else
 855                 if (BIO_read_filename(key,file) <= 0)
 856                         {
 857                         BIO_printf(err, "Error opening %s %s\n",
 858                                 key_descrip, file);
 859                         ERR_print_errors(err);
 860                         goto end;
 861                         }
 862         if (format == FORMAT_ASN1)
 863                 {
 864                 pkey=d2i_PrivateKey_bio(key, NULL);
 865                 }
 866         else if (format == FORMAT_PEM)
 867                 {
 868                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 869                         (pem_password_cb *)password_callback, &cb_data);
 870                 }
 871 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 872         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 873                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 874 #endif
 875         else if (format == FORMAT_PKCS12)
 876                 {
 877                 if (!load_pkcs12(err, key, key_descrip,
 878                                 (pem_password_cb *)password_callback, &cb_data,
 879                                 &pkey, NULL, NULL))
 880                         goto end;
 881                 }
 882         else
 883                 {
 884                 BIO_printf(err,"bad input format specified for key file\n");
 885                 goto end;
 886                 }
 887  end:
 888         if (key != NULL) BIO_free(key);
 889         if (pkey == NULL)
 890                 BIO_printf(err,"unable to load %s\n", key_descrip);
 891         return(pkey);
 892         }
 893
 894 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 895         const char *pass, ENGINE *e, const char *key_descrip)
 896         {
 897         BIO *key=NULL;
 898         EVP_PKEY *pkey=NULL;
 899         PW_CB_DATA cb_data;
 900
 901         cb_data.password = pass;
 902         cb_data.prompt_info = file;
 903
 904         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 905                 {
 906                 BIO_printf(err,"no keyfile specified\n");
 907                 goto end;
 908                 }
 909 #ifndef OPENSSL_NO_ENGINE
 910         if (format == FORMAT_ENGINE)
 911                 {
 912                 if (!e)
 913                         BIO_printf(bio_err,"no engine specified\n");
 914                 else
 915                         pkey = ENGINE_load_public_key(e, file,
 916                                 ui_method, &cb_data);
 917                 goto end;
 918                 }
 919 #endif
 920         key=BIO_new(BIO_s_file());
 921         if (key == NULL)
 922                 {
 923                 ERR_print_errors(err);
 924                 goto end;
 925                 }
 926         if (file == NULL && maybe_stdin)
 927                 {
 928                 setvbuf(stdin, NULL, _IONBF, 0);
 929                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 930                 }
 931         else
 932                 if (BIO_read_filename(key,file) <= 0)
 933                         {
 934                         BIO_printf(err, "Error opening %s %s\n",
 935                                 key_descrip, file);
 936                         ERR_print_errors(err);
 937                         goto end;
 938                 }
 939         if (format == FORMAT_ASN1)
 940                 {
 941                 pkey=d2i_PUBKEY_bio(key, NULL);
 942                 }
 943         else if (format == FORMAT_ASN1RSA)
 944                 {
 945                 RSA *rsa;
 946                 rsa = d2i_RSAPublicKey_bio(key, NULL);
 947                 if (rsa)
 948                         {
 949                         pkey = EVP_PKEY_new();
 950                         if (pkey)
 951                                 EVP_PKEY_set1_RSA(pkey, rsa);
 952                         RSA_free(rsa);
 953                         }
 954                 else
 955                         pkey = NULL;
 956                 }
 957         else if (format == FORMAT_PEMRSA)
 958                 {
 959                 RSA *rsa;
 960                 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
 961                         (pem_password_cb *)password_callback, &cb_data);
 962                 if (rsa)
 963                         {
 964                         pkey = EVP_PKEY_new();
 965                         if (pkey)
 966                                 EVP_PKEY_set1_RSA(pkey, rsa);
 967                         RSA_free(rsa);
 968                         }
 969                 else
 970                         pkey = NULL;
 971                 }
 972
 973         else if (format == FORMAT_PEM)
 974                 {
 975                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 976                         (pem_password_cb *)password_callback, &cb_data);
 977                 }
 978 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 979         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 980                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 981 #endif
 982         else
 983                 {
 984                 BIO_printf(err,"bad input format specified for key file\n");
 985                 goto end;
 986                 }
 987  end:
 988         if (key != NULL) BIO_free(key);
 989         if (pkey == NULL)
 990                 BIO_printf(err,"unable to load %s\n", key_descrip);
 991         return(pkey);
 992         }
 993
 994 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 995 static EVP_PKEY *
 996 load_netscape_key(BIO *err, BIO *key, const char *file,
 997                 const char *key_descrip, int format)
 998         {
 999         EVP_PKEY *pkey;
1000         BUF_MEM *buf;
1001         RSA     *rsa;
1002         const unsigned char *p;
1003         int size, i;
1004
1005         buf=BUF_MEM_new();
1006         pkey = EVP_PKEY_new();
1007         size = 0;
1008         if (buf == NULL || pkey == NULL)
1009                 goto error;
1010         for (;;)
1011                 {
1012                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1013                         goto error;
1014                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1015                 size += i;
1016                 if (i == 0)
1017                         break;
1018                 if (i < 0)
1019                         {
1020                                 BIO_printf(err, "Error reading %s %s",
1021                                         key_descrip, file);
1022                                 goto error;
1023                         }
1024                 }
1025         p=(unsigned char *)buf->data;
1026         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1027                 (format == FORMAT_IISSGC ? 1 : 0));
1028         if (rsa == NULL)
1029                 goto error;
1030         BUF_MEM_free(buf);
1031         EVP_PKEY_set1_RSA(pkey, rsa);
1032         return pkey;
1033 error:
1034         BUF_MEM_free(buf);
1035         EVP_PKEY_free(pkey);
1036         return NULL;
1037         }
1038 #endif /* ndef OPENSSL_NO_RC4 */
1039
1040 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1041         const char *pass, ENGINE *e, const char *cert_descrip)
1042         {
1043         BIO *certs;
1044         int i;
1045         STACK_OF(X509) *othercerts = NULL;
1046         STACK_OF(X509_INFO) *allcerts = NULL;
1047         X509_INFO *xi;
1048         PW_CB_DATA cb_data;
1049
1050         cb_data.password = pass;
1051         cb_data.prompt_info = file;
1052
1053         if((certs = BIO_new(BIO_s_file())) == NULL)
1054                 {
1055                 ERR_print_errors(err);
1056                 goto end;
1057                 }
1058
1059         if (file == NULL)
1060                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1061         else
1062                 {
1063                 if (BIO_read_filename(certs,file) <= 0)
1064                         {
1065                         BIO_printf(err, "Error opening %s %s\n",
1066                                 cert_descrip, file);
1067                         ERR_print_errors(err);
1068                         goto end;
1069                         }
1070                 }
1071
1072         if      (format == FORMAT_PEM)
1073                 {
1074                 othercerts = sk_X509_new_null();
1075                 if(!othercerts)
1076                         {
1077                         sk_X509_free(othercerts);
1078                         othercerts = NULL;
1079                         goto end;
1080                         }
1081                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1082                                 (pem_password_cb *)password_callback, &cb_data);
1083                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1084                         {
1085                         xi = sk_X509_INFO_value (allcerts, i);
1086                         if (xi->x509)
1087                                 {
1088                                 sk_X509_push(othercerts, xi->x509);
1089                                 xi->x509 = NULL;
1090                                 }
1091                         }
1092                 goto end;
1093                 }
1094         else    {
1095                 BIO_printf(err,"bad input format specified for %s\n",
1096                         cert_descrip);
1097                 goto end;
1098                 }
1099 end:
1100         if (othercerts == NULL)
1101                 {
1102                 BIO_printf(err,"unable to load certificates\n");
1103                 ERR_print_errors(err);
1104                 }
1105         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1106         if (certs != NULL) BIO_free(certs);
1107         return(othercerts);
1108         }
1109
1110
1111 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1112 /* Return error for unknown extensions */
1113 #define X509V3_EXT_DEFAULT              0
1114 /* Print error for unknown extensions */
1115 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1116 /* ASN1 parse unknown extensions */
1117 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1118 /* BIO_dump unknown extensions */
1119 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1120
1121 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1122                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1123
1124 int set_cert_ex(unsigned long *flags, const char *arg)
1125 {
1126         static const NAME_EX_TBL cert_tbl[] = {
1127                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1128                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1129                 { "no_header", X509_FLAG_NO_HEADER, 0},
1130                 { "no_version", X509_FLAG_NO_VERSION, 0},
1131                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1132                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1133                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1134                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1135                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1136                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1137                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1138                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1139                 { "no_aux", X509_FLAG_NO_AUX, 0},
1140                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1141                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1142                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1143                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1144                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1145                 { NULL, 0, 0}
1146         };
1147         return set_multi_opts(flags, arg, cert_tbl);
1148 }
1149
1150 int set_name_ex(unsigned long *flags, const char *arg)
1151 {
1152         static const NAME_EX_TBL ex_tbl[] = {
1153                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1154                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1155                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1156                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1157                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1158                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1159                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1160                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1161                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1162                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1163                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1164                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1165                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1166                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1167                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1168                 { "dn_rev", XN_FLAG_DN_REV, 0},
1169                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1170                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1171                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1172                 { "align", XN_FLAG_FN_ALIGN, 0},
1173                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1174                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1175                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1176                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1177                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1178                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1179                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1180                 { NULL, 0, 0}
1181         };
1182         return set_multi_opts(flags, arg, ex_tbl);
1183 }
1184
1185 int set_ext_copy(int *copy_type, const char *arg)
1186 {
1187         if (!strcasecmp(arg, "none"))
1188                 *copy_type = EXT_COPY_NONE;
1189         else if (!strcasecmp(arg, "copy"))
1190                 *copy_type = EXT_COPY_ADD;
1191         else if (!strcasecmp(arg, "copyall"))
1192                 *copy_type = EXT_COPY_ALL;
1193         else
1194                 return 0;
1195         return 1;
1196 }
1197
1198 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1199 {
1200         STACK_OF(X509_EXTENSION) *exts = NULL;
1201         X509_EXTENSION *ext, *tmpext;
1202         ASN1_OBJECT *obj;
1203         int i, idx, ret = 0;
1204         if (!x || !req || (copy_type == EXT_COPY_NONE))
1205                 return 1;
1206         exts = X509_REQ_get_extensions(req);
1207
1208         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1209                 ext = sk_X509_EXTENSION_value(exts, i);
1210                 obj = X509_EXTENSION_get_object(ext);
1211                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1212                 /* Does extension exist? */
1213                 if (idx != -1) {
1214                         /* If normal copy don't override existing extension */
1215                         if (copy_type == EXT_COPY_ADD)
1216                                 continue;
1217                         /* Delete all extensions of same type */
1218                         do {
1219                                 tmpext = X509_get_ext(x, idx);
1220                                 X509_delete_ext(x, idx);
1221                                 X509_EXTENSION_free(tmpext);
1222                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1223                         } while (idx != -1);
1224                 }
1225                 if (!X509_add_ext(x, ext, -1))
1226                         goto end;
1227         }
1228
1229         ret = 1;
1230
1231         end:
1232
1233         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1234
1235         return ret;
1236 }
1237
1238
1239
1240
1241 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1242 {
1243         STACK_OF(CONF_VALUE) *vals;
1244         CONF_VALUE *val;
1245         int i, ret = 1;
1246         if(!arg) return 0;
1247         vals = X509V3_parse_list(arg);
1248         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1249                 val = sk_CONF_VALUE_value(vals, i);
1250                 if (!set_table_opts(flags, val->name, in_tbl))
1251                         ret = 0;
1252         }
1253         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1254         return ret;
1255 }
1256
1257 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1258 {
1259         char c;
1260         const NAME_EX_TBL *ptbl;
1261         c = arg[0];
1262
1263         if(c == '-') {
1264                 c = 0;
1265                 arg++;
1266         } else if (c == '+') {
1267                 c = 1;
1268                 arg++;
1269         } else c = 1;
1270
1271         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1272                 if(!strcasecmp(arg, ptbl->name)) {
1273                         *flags &= ~ptbl->mask;
1274                         if(c) *flags |= ptbl->flag;
1275                         else *flags &= ~ptbl->flag;
1276                         return 1;
1277                 }
1278         }
1279         return 0;
1280 }
1281
1282 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1283 {
1284         char *buf;
1285         char mline = 0;
1286         int indent = 0;
1287
1288         if(title) BIO_puts(out, title);
1289         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1290                 mline = 1;
1291                 indent = 4;
1292         }
1293         if(lflags == XN_FLAG_COMPAT) {
1294                 buf = X509_NAME_oneline(nm, 0, 0);
1295                 BIO_puts(out, buf);
1296                 BIO_puts(out, "\n");
1297                 OPENSSL_free(buf);
1298         } else {
1299                 if(mline) BIO_puts(out, "\n");
1300                 X509_NAME_print_ex(out, nm, indent, lflags);
1301                 BIO_puts(out, "\n");
1302         }
1303 }
1304
1305 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1306 {
1307         X509_STORE *store;
1308         X509_LOOKUP *lookup;
1309         if(!(store = X509_STORE_new())) goto end;
1310         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1311         if (lookup == NULL) goto end;
1312         if (CAfile) {
1313                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1314                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1315                         goto end;
1316                 }
1317         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1318
1319         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1320         if (lookup == NULL) goto end;
1321         if (CApath) {
1322                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1323                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1324                         goto end;
1325                 }
1326         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1327
1328         ERR_clear_error();
1329         return store;
1330         end:
1331         X509_STORE_free(store);
1332         return NULL;
1333 }
1334
1335 #ifndef OPENSSL_NO_ENGINE
1336 /* Try to load an engine in a shareable library */
1337 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1338         {
1339         ENGINE *e = ENGINE_by_id("dynamic");
1340         if (e)
1341                 {
1342                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1343                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1344                         {
1345                         ENGINE_free(e);
1346                         e = NULL;
1347                         }
1348                 }
1349         return e;
1350         }
1351
1352 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1353         {
1354         ENGINE *e = NULL;
1355
1356         if (engine)
1357                 {
1358                 if(strcmp(engine, "auto") == 0)
1359                         {
1360                         BIO_printf(err,"enabling auto ENGINE support\n");
1361                         ENGINE_register_all_complete();
1362                         return NULL;
1363                         }
1364                 if((e = ENGINE_by_id(engine)) == NULL
1365                         && (e = try_load_engine(err, engine, debug)) == NULL)
1366                         {
1367                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1368                         ERR_print_errors(err);
1369                         return NULL;
1370                         }
1371                 if (debug)
1372                         {
1373                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1374                                 0, err, 0);
1375                         }
1376                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1377                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1378                         {
1379                         BIO_printf(err,"can't use that engine\n");
1380                         ERR_print_errors(err);
1381                         ENGINE_free(e);
1382                         return NULL;
1383                         }
1384
1385                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1386
1387                 /* Free our "structural" reference. */
1388                 ENGINE_free(e);
1389                 }
1390         return e;
1391         }
1392 #endif
1393
1394 int load_config(BIO *err, CONF *cnf)
1395         {
1396         if (!cnf)
1397                 cnf = config;
1398         if (!cnf)
1399                 return 1;
1400
1401         OPENSSL_load_builtin_modules();
1402
1403         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1404                 {
1405                 BIO_printf(err, "Error configuring OpenSSL\n");
1406                 ERR_print_errors(err);
1407                 return 0;
1408                 }
1409         return 1;
1410         }
1411
1412 char *make_config_name()
1413         {
1414         const char *t=X509_get_default_cert_area();
1415         size_t len;
1416         char *p;
1417
1418         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1419         p=OPENSSL_malloc(len);
1420         BUF_strlcpy(p,t,len);
1421 #ifndef OPENSSL_SYS_VMS
1422         BUF_strlcat(p,"/",len);
1423 #endif
1424         BUF_strlcat(p,OPENSSL_CONF,len);
1425
1426         return p;
1427         }
1428
1429 static unsigned long index_serial_hash(const char **a)
1430         {
1431         const char *n;
1432
1433         n=a[DB_serial];
1434         while (*n == '0') n++;
1435         return(lh_strhash(n));
1436         }
1437
1438 static int index_serial_cmp(const char **a, const char **b)
1439         {
1440         const char *aa,*bb;
1441
1442         for (aa=a[DB_serial]; *aa == '0'; aa++);
1443         for (bb=b[DB_serial]; *bb == '0'; bb++);
1444         return(strcmp(aa,bb));
1445         }
1446
1447 static int index_name_qual(char **a)
1448         { return(a[0][0] == 'V'); }
1449
1450 static unsigned long index_name_hash(const char **a)
1451         { return(lh_strhash(a[DB_name])); }
1452
1453 int index_name_cmp(const char **a, const char **b)
1454         { return(strcmp(a[DB_name],
1455              b[DB_name])); }
1456
1457 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1458 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1459 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1460 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1461
1462 #undef BSIZE
1463 #define BSIZE 256
1464
1465 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1466         {
1467         BIO *in=NULL;
1468         BIGNUM *ret=NULL;
1469         MS_STATIC char buf[1024];
1470         ASN1_INTEGER *ai=NULL;
1471
1472         ai=ASN1_INTEGER_new();
1473         if (ai == NULL) goto err;
1474
1475         if ((in=BIO_new(BIO_s_file())) == NULL)
1476                 {
1477                 ERR_print_errors(bio_err);
1478                 goto err;
1479                 }
1480
1481         if (BIO_read_filename(in,serialfile) <= 0)
1482                 {
1483                 if (!create)
1484                         {
1485                         perror(serialfile);
1486                         goto err;
1487                         }
1488                 else
1489                         {
1490                         ret=BN_new();
1491                         if (ret == NULL || !rand_serial(ret, ai))
1492                                 BIO_printf(bio_err, "Out of memory\n");
1493                         }
1494                 }
1495         else
1496                 {
1497                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1498                         {
1499                         BIO_printf(bio_err,"unable to load number from %s\n",
1500                                 serialfile);
1501                         goto err;
1502                         }
1503                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1504                 if (ret == NULL)
1505                         {
1506                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1507                         goto err;
1508                         }
1509                 }
1510
1511         if (ret && retai)
1512                 {
1513                 *retai = ai;
1514                 ai = NULL;
1515                 }
1516  err:
1517         if (in != NULL) BIO_free(in);
1518         if (ai != NULL) ASN1_INTEGER_free(ai);
1519         return(ret);
1520         }
1521
1522 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1523         {
1524         char buf[1][BSIZE];
1525         BIO *out = NULL;
1526         int ret=0;
1527         ASN1_INTEGER *ai=NULL;
1528         int j;
1529
1530         if (suffix == NULL)
1531                 j = strlen(serialfile);
1532         else
1533                 j = strlen(serialfile) + strlen(suffix) + 1;
1534         if (j >= BSIZE)
1535                 {
1536                 BIO_printf(bio_err,"file name too long\n");
1537                 goto err;
1538                 }
1539
1540         if (suffix == NULL)
1541                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1542         else
1543                 {
1544 #ifndef OPENSSL_SYS_VMS
1545                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1546 #else
1547                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1548 #endif
1549                 }
1550 #ifdef RL_DEBUG
1551         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1552 #endif
1553         out=BIO_new(BIO_s_file());
1554         if (out == NULL)
1555                 {
1556                 ERR_print_errors(bio_err);
1557                 goto err;
1558                 }
1559         if (BIO_write_filename(out,buf[0]) <= 0)
1560                 {
1561                 perror(serialfile);
1562                 goto err;
1563                 }
1564
1565         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1566                 {
1567                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1568                 goto err;
1569                 }
1570         i2a_ASN1_INTEGER(out,ai);
1571         BIO_puts(out,"\n");
1572         ret=1;
1573         if (retai)
1574                 {
1575                 *retai = ai;
1576                 ai = NULL;
1577                 }
1578 err:
1579         if (out != NULL) BIO_free_all(out);
1580         if (ai != NULL) ASN1_INTEGER_free(ai);
1581         return(ret);
1582         }
1583
1584 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1585         {
1586         char buf[5][BSIZE];
1587         int i,j;
1588         struct stat sb;
1589
1590         i = strlen(serialfile) + strlen(old_suffix);
1591         j = strlen(serialfile) + strlen(new_suffix);
1592         if (i > j) j = i;
1593         if (j + 1 >= BSIZE)
1594                 {
1595                 BIO_printf(bio_err,"file name too long\n");
1596                 goto err;
1597                 }
1598
1599 #ifndef OPENSSL_SYS_VMS
1600         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1601                 serialfile, new_suffix);
1602 #else
1603         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1604                 serialfile, new_suffix);
1605 #endif
1606 #ifndef OPENSSL_SYS_VMS
1607         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1608                 serialfile, old_suffix);
1609 #else
1610         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1611                 serialfile, old_suffix);
1612 #endif
1613         if (stat(serialfile,&sb) < 0)
1614                 {
1615                 if (errno != ENOENT
1616 #ifdef ENOTDIR
1617                         && errno != ENOTDIR
1618 #endif
1619                    )
1620                         goto err;
1621                 }
1622         else
1623                 {
1624 #ifdef RL_DEBUG
1625                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1626                         serialfile, buf[1]);
1627 #endif
1628                 if (rename(serialfile,buf[1]) < 0)
1629                         {
1630                         BIO_printf(bio_err,
1631                                 "unable to rename %s to %s\n",
1632                                 serialfile, buf[1]);
1633                         perror("reason");
1634                         goto err;
1635                         }
1636                 }
1637 #ifdef RL_DEBUG
1638         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1639                 buf[0],serialfile);
1640 #endif
1641         if (rename(buf[0],serialfile) < 0)
1642                 {
1643                 BIO_printf(bio_err,
1644                         "unable to rename %s to %s\n",
1645                         buf[0],serialfile);
1646                 perror("reason");
1647                 rename(buf[1],serialfile);
1648                 goto err;
1649                 }
1650         return 1;
1651  err:
1652         return 0;
1653         }
1654
1655 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1656         {
1657         BIGNUM *btmp;
1658         int ret = 0;
1659         if (b)
1660                 btmp = b;
1661         else
1662                 btmp = BN_new();
1663
1664         if (!btmp)
1665                 return 0;
1666
1667         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1668                 goto error;
1669         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1670                 goto error;
1671
1672         ret = 1;
1673
1674         error:
1675
1676         if (!b)
1677                 BN_free(btmp);
1678
1679         return ret;
1680         }
1681
1682 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1683         {
1684         CA_DB *retdb = NULL;
1685         TXT_DB *tmpdb = NULL;
1686         BIO *in = BIO_new(BIO_s_file());
1687         CONF *dbattr_conf = NULL;
1688         char buf[1][BSIZE];
1689         long errorline= -1;
1690
1691         if (in == NULL)
1692                 {
1693                 ERR_print_errors(bio_err);
1694                 goto err;
1695                 }
1696         if (BIO_read_filename(in,dbfile) <= 0)
1697                 {
1698                 perror(dbfile);
1699                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1700                 goto err;
1701                 }
1702         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1703                 {
1704                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1705                 goto err;
1706                 }
1707
1708 #ifndef OPENSSL_SYS_VMS
1709         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1710 #else
1711         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1712 #endif
1713         dbattr_conf = NCONF_new(NULL);
1714         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1715                 {
1716                 if (errorline > 0)
1717                         {
1718                         BIO_printf(bio_err,
1719                                 "error on line %ld of db attribute file '%s'\n"
1720                                 ,errorline,buf[0]);
1721                         goto err;
1722                         }
1723                 else
1724                         {
1725                         NCONF_free(dbattr_conf);
1726                         dbattr_conf = NULL;
1727                         }
1728                 }
1729
1730         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1731                 {
1732                 fprintf(stderr, "Out of memory\n");
1733                 goto err;
1734                 }
1735
1736         retdb->db = tmpdb;
1737         tmpdb = NULL;
1738         if (db_attr)
1739                 retdb->attributes = *db_attr;
1740         else
1741                 {
1742                 retdb->attributes.unique_subject = 1;
1743                 }
1744
1745         if (dbattr_conf)
1746                 {
1747                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1748                 if (p)
1749                         {
1750 #ifdef RL_DEBUG
1751                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1752 #endif
1753                         retdb->attributes.unique_subject = parse_yesno(p,1);
1754                         }
1755                 }
1756
1757  err:
1758         if (dbattr_conf) NCONF_free(dbattr_conf);
1759         if (tmpdb) TXT_DB_free(tmpdb);
1760         if (in) BIO_free_all(in);
1761         return retdb;
1762         }
1763
1764 int index_index(CA_DB *db)
1765         {
1766         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1767                                 LHASH_HASH_FN(index_serial_hash),
1768                                 LHASH_COMP_FN(index_serial_cmp)))
1769                 {
1770                 BIO_printf(bio_err,
1771                   "error creating serial number index:(%ld,%ld,%ld)\n",
1772                                         db->db->error,db->db->arg1,db->db->arg2);
1773                         return 0;
1774                 }
1775
1776         if (db->attributes.unique_subject
1777                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1778                         LHASH_HASH_FN(index_name_hash),
1779                         LHASH_COMP_FN(index_name_cmp)))
1780                 {
1781                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1782                         db->db->error,db->db->arg1,db->db->arg2);
1783                 return 0;
1784                 }
1785         return 1;
1786         }
1787
1788 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1789         {
1790         char buf[3][BSIZE];
1791         BIO *out = BIO_new(BIO_s_file());
1792         int j;
1793
1794         if (out == NULL)
1795                 {
1796                 ERR_print_errors(bio_err);
1797                 goto err;
1798                 }
1799
1800         j = strlen(dbfile) + strlen(suffix);
1801         if (j + 6 >= BSIZE)
1802                 {
1803                 BIO_printf(bio_err,"file name too long\n");
1804                 goto err;
1805                 }
1806
1807 #ifndef OPENSSL_SYS_VMS
1808         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1809 #else
1810         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1811 #endif
1812 #ifndef OPENSSL_SYS_VMS
1813         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1814 #else
1815         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1816 #endif
1817 #ifndef OPENSSL_SYS_VMS
1818         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1819 #else
1820         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1821 #endif
1822 #ifdef RL_DEBUG
1823         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1824 #endif
1825         if (BIO_write_filename(out,buf[0]) <= 0)
1826                 {
1827                 perror(dbfile);
1828                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1829                 goto err;
1830                 }
1831         j=TXT_DB_write(out,db->db);
1832         if (j <= 0) goto err;
1833
1834         BIO_free(out);
1835
1836         out = BIO_new(BIO_s_file());
1837 #ifdef RL_DEBUG
1838         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1839 #endif
1840         if (BIO_write_filename(out,buf[1]) <= 0)
1841                 {
1842                 perror(buf[2]);
1843                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1844                 goto err;
1845                 }
1846         BIO_printf(out,"unique_subject = %s\n",
1847                 db->attributes.unique_subject ? "yes" : "no");
1848         BIO_free(out);
1849
1850         return 1;
1851  err:
1852         return 0;
1853         }
1854
1855 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1856         {
1857         char buf[5][BSIZE];
1858         int i,j;
1859         struct stat sb;
1860
1861         i = strlen(dbfile) + strlen(old_suffix);
1862         j = strlen(dbfile) + strlen(new_suffix);
1863         if (i > j) j = i;
1864         if (j + 6 >= BSIZE)
1865                 {
1866                 BIO_printf(bio_err,"file name too long\n");
1867                 goto err;
1868                 }
1869
1870 #ifndef OPENSSL_SYS_VMS
1871         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1872 #else
1873         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1874 #endif
1875 #ifndef OPENSSL_SYS_VMS
1876         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1877                 dbfile, new_suffix);
1878 #else
1879         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1880                 dbfile, new_suffix);
1881 #endif
1882 #ifndef OPENSSL_SYS_VMS
1883         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1884                 dbfile, new_suffix);
1885 #else
1886         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1887                 dbfile, new_suffix);
1888 #endif
1889 #ifndef OPENSSL_SYS_VMS
1890         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1891                 dbfile, old_suffix);
1892 #else
1893         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1894                 dbfile, old_suffix);
1895 #endif
1896 #ifndef OPENSSL_SYS_VMS
1897         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1898                 dbfile, old_suffix);
1899 #else
1900         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1901                 dbfile, old_suffix);
1902 #endif
1903         if (stat(dbfile,&sb) < 0)
1904                 {
1905                 if (errno != ENOENT
1906 #ifdef ENOTDIR
1907                         && errno != ENOTDIR
1908 #endif
1909                    )
1910                         goto err;
1911                 }
1912         else
1913                 {
1914 #ifdef RL_DEBUG
1915                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1916                         dbfile, buf[1]);
1917 #endif
1918                 if (rename(dbfile,buf[1]) < 0)
1919                         {
1920                         BIO_printf(bio_err,
1921                                 "unable to rename %s to %s\n",
1922                                 dbfile, buf[1]);
1923                         perror("reason");
1924                         goto err;
1925                         }
1926                 }
1927 #ifdef RL_DEBUG
1928         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1929                 buf[0],dbfile);
1930 #endif
1931         if (rename(buf[0],dbfile) < 0)
1932                 {
1933                 BIO_printf(bio_err,
1934                         "unable to rename %s to %s\n",
1935                         buf[0],dbfile);
1936                 perror("reason");
1937                 rename(buf[1],dbfile);
1938                 goto err;
1939                 }
1940         if (stat(buf[4],&sb) < 0)
1941                 {
1942                 if (errno != ENOENT
1943 #ifdef ENOTDIR
1944                         && errno != ENOTDIR
1945 #endif
1946                    )
1947                         goto err;
1948                 }
1949         else
1950                 {
1951 #ifdef RL_DEBUG
1952                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1953                         buf[4],buf[3]);
1954 #endif
1955                 if (rename(buf[4],buf[3]) < 0)
1956                         {
1957                         BIO_printf(bio_err,
1958                                 "unable to rename %s to %s\n",
1959                                 buf[4], buf[3]);
1960                         perror("reason");
1961                         rename(dbfile,buf[0]);
1962                         rename(buf[1],dbfile);
1963                         goto err;
1964                         }
1965                 }
1966 #ifdef RL_DEBUG
1967         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1968                 buf[2],buf[4]);
1969 #endif
1970         if (rename(buf[2],buf[4]) < 0)
1971                 {
1972                 BIO_printf(bio_err,
1973                         "unable to rename %s to %s\n",
1974                         buf[2],buf[4]);
1975                 perror("reason");
1976                 rename(buf[3],buf[4]);
1977                 rename(dbfile,buf[0]);
1978                 rename(buf[1],dbfile);
1979                 goto err;
1980                 }
1981         return 1;
1982  err:
1983         return 0;
1984         }
1985
1986 void free_index(CA_DB *db)
1987         {
1988         if (db)
1989                 {
1990                 if (db->db) TXT_DB_free(db->db);
1991                 OPENSSL_free(db);
1992                 }
1993         }
1994
1995 int parse_yesno(const char *str, int def)
1996         {
1997         int ret = def;
1998         if (str)
1999                 {
2000                 switch (*str)
2001                         {
2002                 case 'f': /* false */
2003                 case 'F': /* FALSE */
2004                 case 'n': /* no */
2005                 case 'N': /* NO */
2006                 case '0': /* 0 */
2007                         ret = 0;
2008                         break;
2009                 case 't': /* true */
2010                 case 'T': /* TRUE */
2011                 case 'y': /* yes */
2012                 case 'Y': /* YES */
2013                 case '1': /* 1 */
2014                         ret = 0;
2015                         break;
2016                 default:
2017                         ret = def;
2018                         break;
2019                         }
2020                 }
2021         return ret;
2022         }
2023
2024 /*
2025  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2026  * where characters may be escaped by \
2027  */
2028 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2029         {
2030         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2031         char *buf = OPENSSL_malloc(buflen);
2032         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2033         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2034         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2035         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2036
2037         char *sp = subject, *bp = buf;
2038         int i, ne_num = 0;
2039
2040         X509_NAME *n = NULL;
2041         int nid;
2042
2043         if (!buf || !ne_types || !ne_values)
2044                 {
2045                 BIO_printf(bio_err, "malloc error\n");
2046                 goto error;
2047                 }
2048
2049         if (*subject != '/')
2050                 {
2051                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2052                 goto error;
2053                 }
2054         sp++; /* skip leading / */
2055
2056         /* no multivalued RDN by default */
2057         mval[ne_num] = 0;
2058
2059         while (*sp)
2060                 {
2061                 /* collect type */
2062                 ne_types[ne_num] = bp;
2063                 while (*sp)
2064                         {
2065                         if (*sp == '\\') /* is there anything to escape in the type...? */
2066                                 {
2067                                 if (*++sp)
2068                                         *bp++ = *sp++;
2069                                 else
2070                                         {
2071                                         BIO_printf(bio_err, "escape character at end of string\n");
2072                                         goto error;
2073                                         }
2074                                 }
2075                         else if (*sp == '=')
2076                                 {
2077                                 sp++;
2078                                 *bp++ = '\0';
2079                                 break;
2080                                 }
2081                         else
2082                                 *bp++ = *sp++;
2083                         }
2084                 if (!*sp)
2085                         {
2086                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2087                         goto error;
2088                         }
2089                 ne_values[ne_num] = bp;
2090                 while (*sp)
2091                         {
2092                         if (*sp == '\\')
2093                                 {
2094                                 if (*++sp)
2095                                         *bp++ = *sp++;
2096                                 else
2097                                         {
2098                                         BIO_printf(bio_err, "escape character at end of string\n");
2099                                         goto error;
2100                                         }
2101                                 }
2102                         else if (*sp == '/')
2103                                 {
2104                                 sp++;
2105                                 /* no multivalued RDN by default */
2106                                 mval[ne_num+1] = 0;
2107                                 break;
2108                                 }
2109                         else if (*sp == '+' && multirdn)
2110                                 {
2111                                 /* a not escaped + signals a mutlivalued RDN */
2112                                 sp++;
2113                                 mval[ne_num+1] = -1;
2114                                 break;
2115                                 }
2116                         else
2117                                 *bp++ = *sp++;
2118                         }
2119                 *bp++ = '\0';
2120                 ne_num++;
2121                 }
2122
2123         if (!(n = X509_NAME_new()))
2124                 goto error;
2125
2126         for (i = 0; i < ne_num; i++)
2127                 {
2128                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2129                         {
2130                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2131                         continue;
2132                         }
2133
2134                 if (!*ne_values[i])
2135                         {
2136                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2137                         continue;
2138                         }
2139
2140                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2141                         goto error;
2142                 }
2143
2144         OPENSSL_free(ne_values);
2145         OPENSSL_free(ne_types);
2146         OPENSSL_free(buf);
2147         return n;
2148
2149 error:
2150         X509_NAME_free(n);
2151         if (ne_values)
2152                 OPENSSL_free(ne_values);
2153         if (ne_types)
2154                 OPENSSL_free(ne_types);
2155         if (buf)
2156                 OPENSSL_free(buf);
2157         return NULL;
2158 }
2159
2160 /* This code MUST COME AFTER anything that uses rename() */
2161 #ifdef OPENSSL_SYS_WIN32
2162 int WIN32_rename(const char *from, const char *to)
2163         {
2164 #ifndef OPENSSL_SYS_WINCE
2165         /* Windows rename gives an error if 'to' exists, so delete it
2166          * first and ignore file not found errror
2167          */
2168         if((remove(to) != 0) && (errno != ENOENT))
2169                 return -1;
2170 #undef rename
2171         return rename(from, to);
2172 #else
2173         /* convert strings to UNICODE */
2174         {
2175         BOOL result = FALSE;
2176         WCHAR* wfrom;
2177         WCHAR* wto;
2178         int i;
2179         wfrom = malloc((strlen(from)+1)*2);
2180         wto = malloc((strlen(to)+1)*2);
2181         if (wfrom != NULL && wto != NULL)
2182                 {
2183                 for (i=0; i<(int)strlen(from)+1; i++)
2184                         wfrom[i] = (short)from[i];
2185                 for (i=0; i<(int)strlen(to)+1; i++)
2186                         wto[i] = (short)to[i];
2187                 result = MoveFile(wfrom, wto);
2188                 }
2189         if (wfrom != NULL)
2190                 free(wfrom);
2191         if (wto != NULL)
2192                 free(wto);
2193         return result;
2194         }
2195 #endif
2196         }
2197 #endif
2198
2199 int args_verify(char ***pargs, int *pargc,
2200                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2201         {
2202         ASN1_OBJECT *otmp = NULL;
2203         unsigned long flags = 0;
2204         int i;
2205         int purpose = 0;
2206         char **oldargs = *pargs;
2207         char *arg = **pargs, *argn = (*pargs)[1];
2208         if (!strcmp(arg, "-policy"))
2209                 {
2210                 if (!argn)
2211                         *badarg = 1;
2212                 else
2213                         {
2214                         otmp = OBJ_txt2obj(argn, 0);
2215                         if (!otmp)
2216                                 {
2217                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2218                                                                         argn);
2219                                 *badarg = 1;
2220                                 }
2221                         }
2222                 (*pargs)++;
2223                 }
2224         else if (strcmp(arg,"-purpose") == 0)
2225                 {
2226                 X509_PURPOSE *xptmp;
2227                 if (!argn)
2228                         *badarg = 1;
2229                 else
2230                         {
2231                         i = X509_PURPOSE_get_by_sname(argn);
2232                         if(i < 0)
2233                                 {
2234                                 BIO_printf(err, "unrecognized purpose\n");
2235                                 *badarg = 1;
2236                                 }
2237                         else
2238                                 {
2239                                 xptmp = X509_PURPOSE_get0(i);
2240                                 purpose = X509_PURPOSE_get_id(xptmp);
2241                                 }
2242                         }
2243                 (*pargs)++;
2244                 }
2245         else if (!strcmp(arg, "-ignore_critical"))
2246                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2247         else if (!strcmp(arg, "-issuer_checks"))
2248                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2249         else if (!strcmp(arg, "-crl_check"))
2250                 flags |=  X509_V_FLAG_CRL_CHECK;
2251         else if (!strcmp(arg, "-crl_check_all"))
2252                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2253         else if (!strcmp(arg, "-policy_check"))
2254                 flags |= X509_V_FLAG_POLICY_CHECK;
2255         else if (!strcmp(arg, "-explicit_policy"))
2256                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2257         else if (!strcmp(arg, "-x509_strict"))
2258                 flags |= X509_V_FLAG_X509_STRICT;
2259         else if (!strcmp(arg, "-policy_print"))
2260                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2261         else
2262                 return 0;
2263
2264         if (*badarg)
2265                 {
2266                 if (*pm)
2267                         X509_VERIFY_PARAM_free(*pm);
2268                 *pm = NULL;
2269                 goto end;
2270                 }
2271
2272         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2273                 {
2274                 *badarg = 1;
2275                 goto end;
2276                 }
2277
2278         if (otmp)
2279                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2280         if (flags)
2281                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2282
2283         if (purpose)
2284                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2285
2286         end:
2287
2288         (*pargs)++;
2289
2290         if (pargc)
2291                 *pargc -= *pargs - oldargs;
2292
2293         return 1;
2294
2295         }
2296
2297 static void nodes_print(BIO *out, const char *name,
2298         STACK_OF(X509_POLICY_NODE) *nodes)
2299         {
2300         X509_POLICY_NODE *node;
2301         int i;
2302         BIO_printf(out, "%s Policies:", name);
2303         if (nodes)
2304                 {
2305                 BIO_puts(out, "\n");
2306                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2307                         {
2308                         node = sk_X509_POLICY_NODE_value(nodes, i);
2309                         X509_POLICY_NODE_print(out, node, 2);
2310                         }
2311                 }
2312         else
2313                 BIO_puts(out, " <empty>\n");
2314         }
2315
2316 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2317         {
2318         X509_POLICY_TREE *tree;
2319         int explicit_policy;
2320         int free_out = 0;
2321         if (out == NULL)
2322                 {
2323                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2324                 free_out = 1;
2325                 }
2326         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2327         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2328
2329         BIO_printf(out, "Require explicit Policy: %s\n",
2330                                 explicit_policy ? "True" : "False");
2331
2332         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2333         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2334         if (free_out)
2335                 BIO_free(out);
2336         }