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