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 #include <openssl/rsa.h>
 129 #include <openssl/bn.h>
 130
 131 #define NON_MAIN
 132 #include "apps.h"
 133 #undef NON_MAIN
 134
 135 typedef struct {
 136         char *name;
 137         unsigned long flag;
 138         unsigned long mask;
 139 } NAME_EX_TBL;
 140
 141 static UI_METHOD *ui_method = NULL;
 142
 143 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 144 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 145
 146 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 147 /* Looks like this stuff is worth moving into separate function */
 148 static EVP_PKEY *
 149 load_netscape_key(BIO *err, BIO *key, const char *file,
 150                 const char *key_descrip, int format);
 151 #endif
 152
 153 int app_init(long mesgwin);
 154 #ifdef undef /* never finished - probably never will be :-) */
 155 int args_from_file(char *file, int *argc, char **argv[])
 156         {
 157         FILE *fp;
 158         int num,i;
 159         unsigned int len;
 160         static char *buf=NULL;
 161         static char **arg=NULL;
 162         char *p;
 163         struct stat stbuf;
 164
 165         if (stat(file,&stbuf) < 0) return(0);
 166
 167         fp=fopen(file,"r");
 168         if (fp == NULL)
 169                 return(0);
 170
 171         *argc=0;
 172         *argv=NULL;
 173
 174         len=(unsigned int)stbuf.st_size;
 175         if (buf != NULL) OPENSSL_free(buf);
 176         buf=(char *)OPENSSL_malloc(len+1);
 177         if (buf == NULL) return(0);
 178
 179         len=fread(buf,1,len,fp);
 180         if (len <= 1) return(0);
 181         buf[len]='\0';
 182
 183         i=0;
 184         for (p=buf; *p; p++)
 185                 if (*p == '\n') i++;
 186         if (arg != NULL) OPENSSL_free(arg);
 187         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 188
 189         *argv=arg;
 190         num=0;
 191         p=buf;
 192         for (;;)
 193                 {
 194                 if (!*p) break;
 195                 if (*p == '#') /* comment line */
 196                         {
 197                         while (*p && (*p != '\n')) p++;
 198                         continue;
 199                         }
 200                 /* else we have a line */
 201                 *(arg++)=p;
 202                 num++;
 203                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 204                         p++;
 205                 if (!*p) break;
 206                 if (*p == '\n')
 207                         {
 208                         *(p++)='\0';
 209                         continue;
 210                         }
 211                 /* else it is a tab or space */
 212                 p++;
 213                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 214                         p++;
 215                 if (!*p) break;
 216                 if (*p == '\n')
 217                         {
 218                         p++;
 219                         continue;
 220                         }
 221                 *(arg++)=p++;
 222                 num++;
 223                 while (*p && (*p != '\n')) p++;
 224                 if (!*p) break;
 225                 /* else *p == '\n' */
 226                 *(p++)='\0';
 227                 }
 228         *argc=num;
 229         return(1);
 230         }
 231 #endif
 232
 233 int str2fmt(char *s)
 234         {
 235         if      ((*s == 'D') || (*s == 'd'))
 236                 return(FORMAT_ASN1);
 237         else if ((*s == 'T') || (*s == 't'))
 238                 return(FORMAT_TEXT);
 239         else if ((*s == 'P') || (*s == 'p'))
 240                 return(FORMAT_PEM);
 241         else if ((*s == 'N') || (*s == 'n'))
 242                 return(FORMAT_NETSCAPE);
 243         else if ((*s == 'S') || (*s == 's'))
 244                 return(FORMAT_SMIME);
 245         else if ((*s == '1')
 246                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 247                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 248                 return(FORMAT_PKCS12);
 249         else if ((*s == 'E') || (*s == 'e'))
 250                 return(FORMAT_ENGINE);
 251         else
 252                 return(FORMAT_UNDEF);
 253         }
 254
 255 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 256 void program_name(char *in, char *out, int size)
 257         {
 258         int i,n;
 259         char *p=NULL;
 260
 261         n=strlen(in);
 262         /* find the last '/', '\' or ':' */
 263         for (i=n-1; i>0; i--)
 264                 {
 265                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 266                         {
 267                         p= &(in[i+1]);
 268                         break;
 269                         }
 270                 }
 271         if (p == NULL)
 272                 p=in;
 273         n=strlen(p);
 274
 275 #if defined(OPENSSL_SYS_NETWARE)
 276    /* strip off trailing .nlm if present. */
 277    if ((n > 4) && (p[n-4] == '.') &&
 278       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 279       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 280       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 281       n-=4;
 282 #else
 283         /* strip off trailing .exe if present. */
 284         if ((n > 4) && (p[n-4] == '.') &&
 285                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 286                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 287                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 288                 n-=4;
 289 #endif
 290
 291         if (n > size-1)
 292                 n=size-1;
 293
 294         for (i=0; i<n; i++)
 295                 {
 296                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 297                         out[i]=p[i]-'A'+'a';
 298                 else
 299                         out[i]=p[i];
 300                 }
 301         out[n]='\0';
 302         }
 303 #else
 304 #ifdef OPENSSL_SYS_VMS
 305 void program_name(char *in, char *out, int size)
 306         {
 307         char *p=in, *q;
 308         char *chars=":]>";
 309
 310         while(*chars != '\0')
 311                 {
 312                 q=strrchr(p,*chars);
 313                 if (q > p)
 314                         p = q + 1;
 315                 chars++;
 316                 }
 317
 318         q=strrchr(p,'.');
 319         if (q == NULL)
 320                 q = p + strlen(p);
 321         strncpy(out,p,size-1);
 322         if (q-p >= size)
 323                 {
 324                 out[size-1]='\0';
 325                 }
 326         else
 327                 {
 328                 out[q-p]='\0';
 329                 }
 330         }
 331 #else
 332 void program_name(char *in, char *out, int size)
 333         {
 334         char *p;
 335
 336         p=strrchr(in,'/');
 337         if (p != NULL)
 338                 p++;
 339         else
 340                 p=in;
 341         BUF_strlcpy(out,p,size);
 342         }
 343 #endif
 344 #endif
 345
 346 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 347         {
 348         int num,len,i;
 349         char *p;
 350
 351         *argc=0;
 352         *argv=NULL;
 353
 354         len=strlen(buf);
 355         i=0;
 356         if (arg->count == 0)
 357                 {
 358                 arg->count=20;
 359                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 360                 }
 361         for (i=0; i<arg->count; i++)
 362                 arg->data[i]=NULL;
 363
 364         num=0;
 365         p=buf;
 366         for (;;)
 367                 {
 368                 /* first scan over white space */
 369                 if (!*p) break;
 370                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 371                         p++;
 372                 if (!*p) break;
 373
 374                 /* The start of something good :-) */
 375                 if (num >= arg->count)
 376                         {
 377                         arg->count+=20;
 378                         arg->data=(char **)OPENSSL_realloc(arg->data,
 379                                 sizeof(char *)*arg->count);
 380                         if (argc == 0) return(0);
 381                         }
 382                 arg->data[num++]=p;
 383
 384                 /* now look for the end of this */
 385                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 386                         {
 387                         i= *(p++);
 388                         arg->data[num-1]++; /* jump over quote */
 389                         while (*p && (*p != i))
 390                                 p++;
 391                         *p='\0';
 392                         }
 393                 else
 394                         {
 395                         while (*p && ((*p != ' ') &&
 396                                 (*p != '\t') && (*p != '\n')))
 397                                 p++;
 398
 399                         if (*p == '\0')
 400                                 p--;
 401                         else
 402                                 *p='\0';
 403                         }
 404                 p++;
 405                 }
 406         *argc=num;
 407         *argv=arg->data;
 408         return(1);
 409         }
 410
 411 #ifndef APP_INIT
 412 int app_init(long mesgwin)
 413         {
 414         return(1);
 415         }
 416 #endif
 417
 418
 419 int dump_cert_text (BIO *out, X509 *x)
 420 {
 421         char *p;
 422
 423         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 424         BIO_puts(out,"subject=");
 425         BIO_puts(out,p);
 426         OPENSSL_free(p);
 427
 428         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 429         BIO_puts(out,"\nissuer=");
 430         BIO_puts(out,p);
 431         BIO_puts(out,"\n");
 432         OPENSSL_free(p);
 433
 434         return 0;
 435 }
 436
 437 static int ui_open(UI *ui)
 438         {
 439         return UI_method_get_opener(UI_OpenSSL())(ui);
 440         }
 441 static int ui_read(UI *ui, UI_STRING *uis)
 442         {
 443         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 444                 && UI_get0_user_data(ui))
 445                 {
 446                 switch(UI_get_string_type(uis))
 447                         {
 448                 case UIT_PROMPT:
 449                 case UIT_VERIFY:
 450                         {
 451                         const char *password =
 452                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 453                         if (password && password[0] != '\0')
 454                                 {
 455                                 UI_set_result(ui, uis, password);
 456                                 return 1;
 457                                 }
 458                         }
 459                 default:
 460                         break;
 461                         }
 462                 }
 463         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 464         }
 465 static int ui_write(UI *ui, UI_STRING *uis)
 466         {
 467         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 468                 && UI_get0_user_data(ui))
 469                 {
 470                 switch(UI_get_string_type(uis))
 471                         {
 472                 case UIT_PROMPT:
 473                 case UIT_VERIFY:
 474                         {
 475                         const char *password =
 476                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 477                         if (password && password[0] != '\0')
 478                                 return 1;
 479                         }
 480                 default:
 481                         break;
 482                         }
 483                 }
 484         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 485         }
 486 static int ui_close(UI *ui)
 487         {
 488         return UI_method_get_closer(UI_OpenSSL())(ui);
 489         }
 490 int setup_ui_method(void)
 491         {
 492         ui_method = UI_create_method("OpenSSL application user interface");
 493         UI_method_set_opener(ui_method, ui_open);
 494         UI_method_set_reader(ui_method, ui_read);
 495         UI_method_set_writer(ui_method, ui_write);
 496         UI_method_set_closer(ui_method, ui_close);
 497         return 0;
 498         }
 499 void destroy_ui_method(void)
 500         {
 501         if(ui_method)
 502                 {
 503                 UI_destroy_method(ui_method);
 504                 ui_method = NULL;
 505                 }
 506         }
 507 int password_callback(char *buf, int bufsiz, int verify,
 508         PW_CB_DATA *cb_tmp)
 509         {
 510         UI *ui = NULL;
 511         int res = 0;
 512         const char *prompt_info = NULL;
 513         const char *password = NULL;
 514         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 515
 516         if (cb_data)
 517                 {
 518                 if (cb_data->password)
 519                         password = cb_data->password;
 520                 if (cb_data->prompt_info)
 521                         prompt_info = cb_data->prompt_info;
 522                 }
 523
 524         if (password)
 525                 {
 526                 res = strlen(password);
 527                 if (res > bufsiz)
 528                         res = bufsiz;
 529                 memcpy(buf, password, res);
 530                 return res;
 531                 }
 532
 533         ui = UI_new_method(ui_method);
 534         if (ui)
 535                 {
 536                 int ok = 0;
 537                 char *buff = NULL;
 538                 int ui_flags = 0;
 539                 char *prompt = NULL;
 540
 541                 prompt = UI_construct_prompt(ui, "pass phrase",
 542                         cb_data->prompt_info);
 543
 544                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 545                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 546
 547                 if (ok >= 0)
 548                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 549                                 PW_MIN_LENGTH,BUFSIZ-1);
 550                 if (ok >= 0 && verify)
 551                         {
 552                         buff = (char *)OPENSSL_malloc(bufsiz);
 553                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 554                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 555                         }
 556                 if (ok >= 0)
 557                         do
 558                                 {
 559                                 ok = UI_process(ui);
 560                                 }
 561                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 562
 563                 if (buff)
 564                         {
 565                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 566                         OPENSSL_free(buff);
 567                         }
 568
 569                 if (ok >= 0)
 570                         res = strlen(buf);
 571                 if (ok == -1)
 572                         {
 573                         BIO_printf(bio_err, "User interface error\n");
 574                         ERR_print_errors(bio_err);
 575                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 576                         res = 0;
 577                         }
 578                 if (ok == -2)
 579                         {
 580                         BIO_printf(bio_err,"aborted!\n");
 581                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 582                         res = 0;
 583                         }
 584                 UI_free(ui);
 585                 OPENSSL_free(prompt);
 586                 }
 587         return res;
 588         }
 589
 590 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 591
 592 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 593 {
 594         int same;
 595         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 596         else same = 1;
 597         if(arg1) {
 598                 *pass1 = app_get_pass(err, arg1, same);
 599                 if(!*pass1) return 0;
 600         } else if(pass1) *pass1 = NULL;
 601         if(arg2) {
 602                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 603                 if(!*pass2) return 0;
 604         } else if(pass2) *pass2 = NULL;
 605         return 1;
 606 }
 607
 608 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 609 {
 610         char *tmp, tpass[APP_PASS_LEN];
 611         static BIO *pwdbio = NULL;
 612         int i;
 613         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 614         if(!strncmp(arg, "env:", 4)) {
 615                 tmp = getenv(arg + 4);
 616                 if(!tmp) {
 617                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 618                         return NULL;
 619                 }
 620                 return BUF_strdup(tmp);
 621         }
 622         if(!keepbio || !pwdbio) {
 623                 if(!strncmp(arg, "file:", 5)) {
 624                         pwdbio = BIO_new_file(arg + 5, "r");
 625                         if(!pwdbio) {
 626                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 627                                 return NULL;
 628                         }
 629                 } else if(!strncmp(arg, "fd:", 3)) {
 630                         BIO *btmp;
 631                         i = atoi(arg + 3);
 632                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 633                         if((i < 0) || !pwdbio) {
 634                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 635                                 return NULL;
 636                         }
 637                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 638                         btmp = BIO_new(BIO_f_buffer());
 639                         pwdbio = BIO_push(btmp, pwdbio);
 640                 } else if(!strcmp(arg, "stdin")) {
 641                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 642                         if(!pwdbio) {
 643                                 BIO_printf(err, "Can't open BIO for stdin\n");
 644                                 return NULL;
 645                         }
 646                 } else {
 647                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 648                         return NULL;
 649                 }
 650         }
 651         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 652         if(keepbio != 1) {
 653                 BIO_free_all(pwdbio);
 654                 pwdbio = NULL;
 655         }
 656         if(i <= 0) {
 657                 BIO_printf(err, "Error reading password from BIO\n");
 658                 return NULL;
 659         }
 660         tmp = strchr(tpass, '\n');
 661         if(tmp) *tmp = 0;
 662         return BUF_strdup(tpass);
 663 }
 664
 665 int add_oid_section(BIO *err, CONF *conf)
 666 {
 667         char *p;
 668         STACK_OF(CONF_VALUE) *sktmp;
 669         CONF_VALUE *cnf;
 670         int i;
 671         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 672                 {
 673                 ERR_clear_error();
 674                 return 1;
 675                 }
 676         if(!(sktmp = NCONF_get_section(conf, p))) {
 677                 BIO_printf(err, "problem loading oid section %s\n", p);
 678                 return 0;
 679         }
 680         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 681                 cnf = sk_CONF_VALUE_value(sktmp, i);
 682                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 683                         BIO_printf(err, "problem creating object %s=%s\n",
 684                                                          cnf->name, cnf->value);
 685                         return 0;
 686                 }
 687         }
 688         return 1;
 689 }
 690
 691 X509 *load_cert(BIO *err, const char *file, int format,
 692         const char *pass, ENGINE *e, const char *cert_descrip)
 693         {
 694         ASN1_HEADER *ah=NULL;
 695         BUF_MEM *buf=NULL;
 696         X509 *x=NULL;
 697         BIO *cert;
 698
 699         if ((cert=BIO_new(BIO_s_file())) == NULL)
 700                 {
 701                 ERR_print_errors(err);
 702                 goto end;
 703                 }
 704
 705         if (file == NULL)
 706                 {
 707                 setvbuf(stdin, NULL, _IONBF, 0);
 708                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 709                 }
 710         else
 711                 {
 712                 if (BIO_read_filename(cert,file) <= 0)
 713                         {
 714                         BIO_printf(err, "Error opening %s %s\n",
 715                                 cert_descrip, file);
 716                         ERR_print_errors(err);
 717                         goto end;
 718                         }
 719                 }
 720
 721         if      (format == FORMAT_ASN1)
 722                 x=d2i_X509_bio(cert,NULL);
 723         else if (format == FORMAT_NETSCAPE)
 724                 {
 725                 const unsigned char *p,*op;
 726                 int size=0,i;
 727
 728                 /* We sort of have to do it this way because it is sort of nice
 729                  * to read the header first and check it, then
 730                  * try to read the certificate */
 731                 buf=BUF_MEM_new();
 732                 for (;;)
 733                         {
 734                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 735                                 goto end;
 736                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 737                         size+=i;
 738                         if (i == 0) break;
 739                         if (i < 0)
 740                                 {
 741                                 perror("reading certificate");
 742                                 goto end;
 743                                 }
 744                         }
 745                 p=(unsigned char *)buf->data;
 746                 op=p;
 747
 748                 /* First load the header */
 749                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 750                         goto end;
 751                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 752                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 753                         ah->header->length) != 0))
 754                         {
 755                         BIO_printf(err,"Error reading header on certificate\n");
 756                         goto end;
 757                         }
 758                 /* header is ok, so now read the object */
 759                 p=op;
 760                 ah->meth=X509_asn1_meth();
 761                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 762                         goto end;
 763                 x=(X509 *)ah->data;
 764                 ah->data=NULL;
 765                 }
 766         else if (format == FORMAT_PEM)
 767                 x=PEM_read_bio_X509_AUX(cert,NULL,
 768                         (pem_password_cb *)password_callback, NULL);
 769         else if (format == FORMAT_PKCS12)
 770                 {
 771                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
 772
 773                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
 774                 PKCS12_free(p12);
 775                 p12 = NULL;
 776                 }
 777         else    {
 778                 BIO_printf(err,"bad input format specified for %s\n",
 779                         cert_descrip);
 780                 goto end;
 781                 }
 782 end:
 783         if (x == NULL)
 784                 {
 785                 BIO_printf(err,"unable to load certificate\n");
 786                 ERR_print_errors(err);
 787                 }
 788         if (ah != NULL) ASN1_HEADER_free(ah);
 789         if (cert != NULL) BIO_free(cert);
 790         if (buf != NULL) BUF_MEM_free(buf);
 791         return(x);
 792         }
 793
 794 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 795         const char *pass, ENGINE *e, const char *key_descrip)
 796         {
 797         BIO *key=NULL;
 798         EVP_PKEY *pkey=NULL;
 799         PW_CB_DATA cb_data;
 800
 801         cb_data.password = pass;
 802         cb_data.prompt_info = file;
 803
 804         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 805                 {
 806                 BIO_printf(err,"no keyfile specified\n");
 807                 goto end;
 808                 }
 809 #ifndef OPENSSL_NO_ENGINE
 810         if (format == FORMAT_ENGINE)
 811                 {
 812                 if (!e)
 813                         BIO_printf(bio_err,"no engine specified\n");
 814                 else
 815                         pkey = ENGINE_load_private_key(e, file,
 816                                 ui_method, &cb_data);
 817                 goto end;
 818                 }
 819 #endif
 820         key=BIO_new(BIO_s_file());
 821         if (key == NULL)
 822                 {
 823                 ERR_print_errors(err);
 824                 goto end;
 825                 }
 826         if (file == NULL && maybe_stdin)
 827                 {
 828                 setvbuf(stdin, NULL, _IONBF, 0);
 829                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 830                 }
 831         else
 832                 if (BIO_read_filename(key,file) <= 0)
 833                         {
 834                         BIO_printf(err, "Error opening %s %s\n",
 835                                 key_descrip, file);
 836                         ERR_print_errors(err);
 837                         goto end;
 838                         }
 839         if (format == FORMAT_ASN1)
 840                 {
 841                 pkey=d2i_PrivateKey_bio(key, NULL);
 842                 }
 843         else if (format == FORMAT_PEM)
 844                 {
 845                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 846                         (pem_password_cb *)password_callback, &cb_data);
 847                 }
 848 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 849         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 850                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 851 #endif
 852         else if (format == FORMAT_PKCS12)
 853                 {
 854                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
 855
 856                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
 857                 PKCS12_free(p12);
 858                 p12 = NULL;
 859                 }
 860         else
 861                 {
 862                 BIO_printf(err,"bad input format specified for key file\n");
 863                 goto end;
 864                 }
 865  end:
 866         if (key != NULL) BIO_free(key);
 867         if (pkey == NULL)
 868                 BIO_printf(err,"unable to load %s\n", key_descrip);
 869         return(pkey);
 870         }
 871
 872 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 873         const char *pass, ENGINE *e, const char *key_descrip)
 874         {
 875         BIO *key=NULL;
 876         EVP_PKEY *pkey=NULL;
 877         PW_CB_DATA cb_data;
 878
 879         cb_data.password = pass;
 880         cb_data.prompt_info = file;
 881
 882         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 883                 {
 884                 BIO_printf(err,"no keyfile specified\n");
 885                 goto end;
 886                 }
 887 #ifndef OPENSSL_NO_ENGINE
 888         if (format == FORMAT_ENGINE)
 889                 {
 890                 if (!e)
 891                         BIO_printf(bio_err,"no engine specified\n");
 892                 else
 893                         pkey = ENGINE_load_public_key(e, file,
 894                                 ui_method, &cb_data);
 895                 goto end;
 896                 }
 897 #endif
 898         key=BIO_new(BIO_s_file());
 899         if (key == NULL)
 900                 {
 901                 ERR_print_errors(err);
 902                 goto end;
 903                 }
 904         if (file == NULL && maybe_stdin)
 905                 {
 906                 setvbuf(stdin, NULL, _IONBF, 0);
 907                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 908                 }
 909         else
 910                 if (BIO_read_filename(key,file) <= 0)
 911                         {
 912                         BIO_printf(err, "Error opening %s %s\n",
 913                                 key_descrip, file);
 914                         ERR_print_errors(err);
 915                         goto end;
 916                 }
 917         if (format == FORMAT_ASN1)
 918                 {
 919                 pkey=d2i_PUBKEY_bio(key, NULL);
 920                 }
 921         else if (format == FORMAT_PEM)
 922                 {
 923                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 924                         (pem_password_cb *)password_callback, &cb_data);
 925                 }
 926 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 927         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 928                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 929 #endif
 930         else
 931                 {
 932                 BIO_printf(err,"bad input format specified for key file\n");
 933                 goto end;
 934                 }
 935  end:
 936         if (key != NULL) BIO_free(key);
 937         if (pkey == NULL)
 938                 BIO_printf(err,"unable to load %s\n", key_descrip);
 939         return(pkey);
 940         }
 941
 942 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 943 static EVP_PKEY *
 944 load_netscape_key(BIO *err, BIO *key, const char *file,
 945                 const char *key_descrip, int format)
 946         {
 947         EVP_PKEY *pkey;
 948         BUF_MEM *buf;
 949         RSA     *rsa;
 950         const unsigned char *p;
 951         int size, i;
 952
 953         buf=BUF_MEM_new();
 954         pkey = EVP_PKEY_new();
 955         size = 0;
 956         if (buf == NULL || pkey == NULL)
 957                 goto error;
 958         for (;;)
 959                 {
 960                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
 961                         goto error;
 962                 i = BIO_read(key, &(buf->data[size]), 1024*10);
 963                 size += i;
 964                 if (i == 0)
 965                         break;
 966                 if (i < 0)
 967                         {
 968                                 BIO_printf(err, "Error reading %s %s",
 969                                         key_descrip, file);
 970                                 goto error;
 971                         }
 972                 }
 973         p=(unsigned char *)buf->data;
 974         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
 975                 (format == FORMAT_IISSGC ? 1 : 0));
 976         if (rsa == NULL)
 977                 goto error;
 978         BUF_MEM_free(buf);
 979         EVP_PKEY_set1_RSA(pkey, rsa);
 980         return pkey;
 981 error:
 982         BUF_MEM_free(buf);
 983         EVP_PKEY_free(pkey);
 984         return NULL;
 985         }
 986 #endif /* ndef OPENSSL_NO_RC4 */
 987
 988 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
 989         const char *pass, ENGINE *e, const char *cert_descrip)
 990         {
 991         BIO *certs;
 992         int i;
 993         STACK_OF(X509) *othercerts = NULL;
 994         STACK_OF(X509_INFO) *allcerts = NULL;
 995         X509_INFO *xi;
 996         PW_CB_DATA cb_data;
 997
 998         cb_data.password = pass;
 999         cb_data.prompt_info = file;
1000
1001         if((certs = BIO_new(BIO_s_file())) == NULL)
1002                 {
1003                 ERR_print_errors(err);
1004                 goto end;
1005                 }
1006
1007         if (file == NULL)
1008                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1009         else
1010                 {
1011                 if (BIO_read_filename(certs,file) <= 0)
1012                         {
1013                         BIO_printf(err, "Error opening %s %s\n",
1014                                 cert_descrip, file);
1015                         ERR_print_errors(err);
1016                         goto end;
1017                         }
1018                 }
1019
1020         if      (format == FORMAT_PEM)
1021                 {
1022                 othercerts = sk_X509_new_null();
1023                 if(!othercerts)
1024                         {
1025                         sk_X509_free(othercerts);
1026                         othercerts = NULL;
1027                         goto end;
1028                         }
1029                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1030                                 (pem_password_cb *)password_callback, &cb_data);
1031                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1032                         {
1033                         xi = sk_X509_INFO_value (allcerts, i);
1034                         if (xi->x509)
1035                                 {
1036                                 sk_X509_push(othercerts, xi->x509);
1037                                 xi->x509 = NULL;
1038                                 }
1039                         }
1040                 goto end;
1041                 }
1042         else    {
1043                 BIO_printf(err,"bad input format specified for %s\n",
1044                         cert_descrip);
1045                 goto end;
1046                 }
1047 end:
1048         if (othercerts == NULL)
1049                 {
1050                 BIO_printf(err,"unable to load certificates\n");
1051                 ERR_print_errors(err);
1052                 }
1053         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1054         if (certs != NULL) BIO_free(certs);
1055         return(othercerts);
1056         }
1057
1058
1059 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1060 /* Return error for unknown extensions */
1061 #define X509V3_EXT_DEFAULT              0
1062 /* Print error for unknown extensions */
1063 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1064 /* ASN1 parse unknown extensions */
1065 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1066 /* BIO_dump unknown extensions */
1067 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1068
1069 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1070                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1071
1072 int set_cert_ex(unsigned long *flags, const char *arg)
1073 {
1074         static const NAME_EX_TBL cert_tbl[] = {
1075                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1076                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1077                 { "no_header", X509_FLAG_NO_HEADER, 0},
1078                 { "no_version", X509_FLAG_NO_VERSION, 0},
1079                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1080                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1081                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1082                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1083                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1084                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1085                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1086                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1087                 { "no_aux", X509_FLAG_NO_AUX, 0},
1088                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1089                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1090                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1091                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1092                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1093                 { NULL, 0, 0}
1094         };
1095         return set_multi_opts(flags, arg, cert_tbl);
1096 }
1097
1098 int set_name_ex(unsigned long *flags, const char *arg)
1099 {
1100         static const NAME_EX_TBL ex_tbl[] = {
1101                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1102                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1103                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1104                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1105                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1106                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1107                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1108                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1109                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1110                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1111                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1112                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1113                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1114                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1115                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1116                 { "dn_rev", XN_FLAG_DN_REV, 0},
1117                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1118                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1119                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1120                 { "align", XN_FLAG_FN_ALIGN, 0},
1121                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1122                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1123                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1124                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1125                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1126                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1127                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1128                 { NULL, 0, 0}
1129         };
1130         return set_multi_opts(flags, arg, ex_tbl);
1131 }
1132
1133 int set_ext_copy(int *copy_type, const char *arg)
1134 {
1135         if (!strcasecmp(arg, "none"))
1136                 *copy_type = EXT_COPY_NONE;
1137         else if (!strcasecmp(arg, "copy"))
1138                 *copy_type = EXT_COPY_ADD;
1139         else if (!strcasecmp(arg, "copyall"))
1140                 *copy_type = EXT_COPY_ALL;
1141         else
1142                 return 0;
1143         return 1;
1144 }
1145
1146 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1147 {
1148         STACK_OF(X509_EXTENSION) *exts = NULL;
1149         X509_EXTENSION *ext, *tmpext;
1150         ASN1_OBJECT *obj;
1151         int i, idx, ret = 0;
1152         if (!x || !req || (copy_type == EXT_COPY_NONE))
1153                 return 1;
1154         exts = X509_REQ_get_extensions(req);
1155
1156         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1157                 ext = sk_X509_EXTENSION_value(exts, i);
1158                 obj = X509_EXTENSION_get_object(ext);
1159                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1160                 /* Does extension exist? */
1161                 if (idx != -1) {
1162                         /* If normal copy don't override existing extension */
1163                         if (copy_type == EXT_COPY_ADD)
1164                                 continue;
1165                         /* Delete all extensions of same type */
1166                         do {
1167                                 tmpext = X509_get_ext(x, idx);
1168                                 X509_delete_ext(x, idx);
1169                                 X509_EXTENSION_free(tmpext);
1170                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1171                         } while (idx != -1);
1172                 }
1173                 if (!X509_add_ext(x, ext, -1))
1174                         goto end;
1175         }
1176
1177         ret = 1;
1178
1179         end:
1180
1181         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1182
1183         return ret;
1184 }
1185
1186
1187
1188
1189 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1190 {
1191         STACK_OF(CONF_VALUE) *vals;
1192         CONF_VALUE *val;
1193         int i, ret = 1;
1194         if(!arg) return 0;
1195         vals = X509V3_parse_list(arg);
1196         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1197                 val = sk_CONF_VALUE_value(vals, i);
1198                 if (!set_table_opts(flags, val->name, in_tbl))
1199                         ret = 0;
1200         }
1201         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1202         return ret;
1203 }
1204
1205 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1206 {
1207         char c;
1208         const NAME_EX_TBL *ptbl;
1209         c = arg[0];
1210
1211         if(c == '-') {
1212                 c = 0;
1213                 arg++;
1214         } else if (c == '+') {
1215                 c = 1;
1216                 arg++;
1217         } else c = 1;
1218
1219         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1220                 if(!strcasecmp(arg, ptbl->name)) {
1221                         *flags &= ~ptbl->mask;
1222                         if(c) *flags |= ptbl->flag;
1223                         else *flags &= ~ptbl->flag;
1224                         return 1;
1225                 }
1226         }
1227         return 0;
1228 }
1229
1230 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1231 {
1232         char *buf;
1233         char mline = 0;
1234         int indent = 0;
1235
1236         if(title) BIO_puts(out, title);
1237         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1238                 mline = 1;
1239                 indent = 4;
1240         }
1241         if(lflags == XN_FLAG_COMPAT) {
1242                 buf = X509_NAME_oneline(nm, 0, 0);
1243                 BIO_puts(out, buf);
1244                 BIO_puts(out, "\n");
1245                 OPENSSL_free(buf);
1246         } else {
1247                 if(mline) BIO_puts(out, "\n");
1248                 X509_NAME_print_ex(out, nm, indent, lflags);
1249                 BIO_puts(out, "\n");
1250         }
1251 }
1252
1253 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1254 {
1255         X509_STORE *store;
1256         X509_LOOKUP *lookup;
1257         if(!(store = X509_STORE_new())) goto end;
1258         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1259         if (lookup == NULL) goto end;
1260         if (CAfile) {
1261                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1262                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1263                         goto end;
1264                 }
1265         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1266
1267         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1268         if (lookup == NULL) goto end;
1269         if (CApath) {
1270                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1271                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1272                         goto end;
1273                 }
1274         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1275
1276         ERR_clear_error();
1277         return store;
1278         end:
1279         X509_STORE_free(store);
1280         return NULL;
1281 }
1282
1283 #ifndef OPENSSL_NO_ENGINE
1284 /* Try to load an engine in a shareable library */
1285 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1286         {
1287         ENGINE *e = ENGINE_by_id("dynamic");
1288         if (e)
1289                 {
1290                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1291                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1292                         {
1293                         ENGINE_free(e);
1294                         e = NULL;
1295                         }
1296                 }
1297         return e;
1298         }
1299
1300 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1301         {
1302         ENGINE *e = NULL;
1303
1304         if (engine)
1305                 {
1306                 if(strcmp(engine, "auto") == 0)
1307                         {
1308                         BIO_printf(err,"enabling auto ENGINE support\n");
1309                         ENGINE_register_all_complete();
1310                         return NULL;
1311                         }
1312                 if((e = ENGINE_by_id(engine)) == NULL
1313                         && (e = try_load_engine(err, engine, debug)) == NULL)
1314                         {
1315                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1316                         ERR_print_errors(err);
1317                         return NULL;
1318                         }
1319                 if (debug)
1320                         {
1321                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1322                                 0, err, 0);
1323                         }
1324                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1325                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1326                         {
1327                         BIO_printf(err,"can't use that engine\n");
1328                         ERR_print_errors(err);
1329                         ENGINE_free(e);
1330                         return NULL;
1331                         }
1332
1333                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1334
1335                 /* Free our "structural" reference. */
1336                 ENGINE_free(e);
1337                 }
1338         return e;
1339         }
1340 #endif
1341
1342 int load_config(BIO *err, CONF *cnf)
1343         {
1344         if (!cnf)
1345                 cnf = config;
1346         if (!cnf)
1347                 return 1;
1348
1349         OPENSSL_load_builtin_modules();
1350
1351         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1352                 {
1353                 BIO_printf(err, "Error configuring OpenSSL\n");
1354                 ERR_print_errors(err);
1355                 return 0;
1356                 }
1357         return 1;
1358         }
1359
1360 char *make_config_name()
1361         {
1362         const char *t=X509_get_default_cert_area();
1363         size_t len;
1364         char *p;
1365
1366         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1367         p=OPENSSL_malloc(len);
1368         BUF_strlcpy(p,t,len);
1369 #ifndef OPENSSL_SYS_VMS
1370         BUF_strlcat(p,"/",len);
1371 #endif
1372         BUF_strlcat(p,OPENSSL_CONF,len);
1373
1374         return p;
1375         }
1376
1377 static unsigned long index_serial_hash(const char **a)
1378         {
1379         const char *n;
1380
1381         n=a[DB_serial];
1382         while (*n == '0') n++;
1383         return(lh_strhash(n));
1384         }
1385
1386 static int index_serial_cmp(const char **a, const char **b)
1387         {
1388         const char *aa,*bb;
1389
1390         for (aa=a[DB_serial]; *aa == '0'; aa++);
1391         for (bb=b[DB_serial]; *bb == '0'; bb++);
1392         return(strcmp(aa,bb));
1393         }
1394
1395 static int index_name_qual(char **a)
1396         { return(a[0][0] == 'V'); }
1397
1398 static unsigned long index_name_hash(const char **a)
1399         { return(lh_strhash(a[DB_name])); }
1400
1401 int index_name_cmp(const char **a, const char **b)
1402         { return(strcmp(a[DB_name],
1403              b[DB_name])); }
1404
1405 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1406 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1407 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1408 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1409
1410 #undef BSIZE
1411 #define BSIZE 256
1412
1413 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1414         {
1415         BIO *in=NULL;
1416         BIGNUM *ret=NULL;
1417         MS_STATIC char buf[1024];
1418         ASN1_INTEGER *ai=NULL;
1419
1420         ai=ASN1_INTEGER_new();
1421         if (ai == NULL) goto err;
1422
1423         if ((in=BIO_new(BIO_s_file())) == NULL)
1424                 {
1425                 ERR_print_errors(bio_err);
1426                 goto err;
1427                 }
1428
1429         if (BIO_read_filename(in,serialfile) <= 0)
1430                 {
1431                 if (!create)
1432                         {
1433                         perror(serialfile);
1434                         goto err;
1435                         }
1436                 else
1437                         {
1438                         ret=BN_new();
1439                         if (ret == NULL || !rand_serial(ret, ai))
1440                                 BIO_printf(bio_err, "Out of memory\n");
1441                         }
1442                 }
1443         else
1444                 {
1445                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1446                         {
1447                         BIO_printf(bio_err,"unable to load number from %s\n",
1448                                 serialfile);
1449                         goto err;
1450                         }
1451                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1452                 if (ret == NULL)
1453                         {
1454                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1455                         goto err;
1456                         }
1457                 }
1458
1459         if (ret && retai)
1460                 {
1461                 *retai = ai;
1462                 ai = NULL;
1463                 }
1464  err:
1465         if (in != NULL) BIO_free(in);
1466         if (ai != NULL) ASN1_INTEGER_free(ai);
1467         return(ret);
1468         }
1469
1470 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1471         {
1472         char buf[1][BSIZE];
1473         BIO *out = NULL;
1474         int ret=0;
1475         ASN1_INTEGER *ai=NULL;
1476         int j;
1477
1478         if (suffix == NULL)
1479                 j = strlen(serialfile);
1480         else
1481                 j = strlen(serialfile) + strlen(suffix) + 1;
1482         if (j >= BSIZE)
1483                 {
1484                 BIO_printf(bio_err,"file name too long\n");
1485                 goto err;
1486                 }
1487
1488         if (suffix == NULL)
1489                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1490         else
1491                 {
1492 #ifndef OPENSSL_SYS_VMS
1493                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1494 #else
1495                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1496 #endif
1497                 }
1498 #ifdef RL_DEBUG
1499         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1500 #endif
1501         out=BIO_new(BIO_s_file());
1502         if (out == NULL)
1503                 {
1504                 ERR_print_errors(bio_err);
1505                 goto err;
1506                 }
1507         if (BIO_write_filename(out,buf[0]) <= 0)
1508                 {
1509                 perror(serialfile);
1510                 goto err;
1511                 }
1512
1513         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1514                 {
1515                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1516                 goto err;
1517                 }
1518         i2a_ASN1_INTEGER(out,ai);
1519         BIO_puts(out,"\n");
1520         ret=1;
1521         if (retai)
1522                 {
1523                 *retai = ai;
1524                 ai = NULL;
1525                 }
1526 err:
1527         if (out != NULL) BIO_free_all(out);
1528         if (ai != NULL) ASN1_INTEGER_free(ai);
1529         return(ret);
1530         }
1531
1532 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1533         {
1534         char buf[5][BSIZE];
1535         int i,j;
1536         struct stat sb;
1537
1538         i = strlen(serialfile) + strlen(old_suffix);
1539         j = strlen(serialfile) + strlen(new_suffix);
1540         if (i > j) j = i;
1541         if (j + 1 >= BSIZE)
1542                 {
1543                 BIO_printf(bio_err,"file name too long\n");
1544                 goto err;
1545                 }
1546
1547 #ifndef OPENSSL_SYS_VMS
1548         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1549                 serialfile, new_suffix);
1550 #else
1551         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1552                 serialfile, new_suffix);
1553 #endif
1554 #ifndef OPENSSL_SYS_VMS
1555         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1556                 serialfile, old_suffix);
1557 #else
1558         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1559                 serialfile, old_suffix);
1560 #endif
1561         if (stat(serialfile,&sb) < 0)
1562                 {
1563                 if (errno != ENOENT
1564 #ifdef ENOTDIR
1565                         && errno != ENOTDIR)
1566 #endif
1567                         goto err;
1568                 }
1569         else
1570                 {
1571 #ifdef RL_DEBUG
1572                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1573                         serialfile, buf[1]);
1574 #endif
1575                 if (rename(serialfile,buf[1]) < 0)
1576                         {
1577                         BIO_printf(bio_err,
1578                                 "unable to rename %s to %s\n",
1579                                 serialfile, buf[1]);
1580                         perror("reason");
1581                         goto err;
1582                         }
1583                 }
1584 #ifdef RL_DEBUG
1585         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1586                 buf[0],serialfile);
1587 #endif
1588         if (rename(buf[0],serialfile) < 0)
1589                 {
1590                 BIO_printf(bio_err,
1591                         "unable to rename %s to %s\n",
1592                         buf[0],serialfile);
1593                 perror("reason");
1594                 rename(buf[1],serialfile);
1595                 goto err;
1596                 }
1597         return 1;
1598  err:
1599         return 0;
1600         }
1601
1602 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1603         {
1604         BIGNUM *btmp;
1605         int ret = 0;
1606         if (b)
1607                 btmp = b;
1608         else
1609                 btmp = BN_new();
1610
1611         if (!btmp)
1612                 return 0;
1613
1614         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1615                 goto error;
1616         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1617                 goto error;
1618
1619         ret = 1;
1620
1621         error:
1622
1623         if (!b)
1624                 BN_free(btmp);
1625
1626         return ret;
1627         }
1628
1629 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1630         {
1631         CA_DB *retdb = NULL;
1632         TXT_DB *tmpdb = NULL;
1633         BIO *in = BIO_new(BIO_s_file());
1634         CONF *dbattr_conf = NULL;
1635         char buf[1][BSIZE];
1636         long errorline= -1;
1637
1638         if (in == NULL)
1639                 {
1640                 ERR_print_errors(bio_err);
1641                 goto err;
1642                 }
1643         if (BIO_read_filename(in,dbfile) <= 0)
1644                 {
1645                 perror(dbfile);
1646                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1647                 goto err;
1648                 }
1649         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1650                 {
1651                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1652                 goto err;
1653                 }
1654
1655 #ifndef OPENSSL_SYS_VMS
1656         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1657 #else
1658         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1659 #endif
1660         dbattr_conf = NCONF_new(NULL);
1661         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1662                 {
1663                 if (errorline > 0)
1664                         {
1665                         BIO_printf(bio_err,
1666                                 "error on line %ld of db attribute file '%s'\n"
1667                                 ,errorline,buf[0]);
1668                         goto err;
1669                         }
1670                 else
1671                         {
1672                         NCONF_free(dbattr_conf);
1673                         dbattr_conf = NULL;
1674                         }
1675                 }
1676
1677         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1678                 {
1679                 fprintf(stderr, "Out of memory\n");
1680                 goto err;
1681                 }
1682
1683         retdb->db = tmpdb;
1684         tmpdb = NULL;
1685         if (db_attr)
1686                 retdb->attributes = *db_attr;
1687         else
1688                 {
1689                 retdb->attributes.unique_subject = 1;
1690                 }
1691
1692         if (dbattr_conf)
1693                 {
1694                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1695                 if (p)
1696                         {
1697 #ifdef RL_DEBUG
1698                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1699 #endif
1700                         retdb->attributes.unique_subject = parse_yesno(p,1);
1701                         }
1702                 }
1703
1704  err:
1705         if (dbattr_conf) NCONF_free(dbattr_conf);
1706         if (tmpdb) TXT_DB_free(tmpdb);
1707         if (in) BIO_free_all(in);
1708         return retdb;
1709         }
1710
1711 int index_index(CA_DB *db)
1712         {
1713         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1714                                 LHASH_HASH_FN(index_serial_hash),
1715                                 LHASH_COMP_FN(index_serial_cmp)))
1716                 {
1717                 BIO_printf(bio_err,
1718                   "error creating serial number index:(%ld,%ld,%ld)\n",
1719                                         db->db->error,db->db->arg1,db->db->arg2);
1720                         return 0;
1721                 }
1722
1723         if (db->attributes.unique_subject
1724                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1725                         LHASH_HASH_FN(index_name_hash),
1726                         LHASH_COMP_FN(index_name_cmp)))
1727                 {
1728                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1729                         db->db->error,db->db->arg1,db->db->arg2);
1730                 return 0;
1731                 }
1732         return 1;
1733         }
1734
1735 int save_index(char *dbfile, char *suffix, CA_DB *db)
1736         {
1737         char buf[3][BSIZE];
1738         BIO *out = BIO_new(BIO_s_file());
1739         int j;
1740
1741         if (out == NULL)
1742                 {
1743                 ERR_print_errors(bio_err);
1744                 goto err;
1745                 }
1746
1747         j = strlen(dbfile) + strlen(suffix);
1748         if (j + 6 >= BSIZE)
1749                 {
1750                 BIO_printf(bio_err,"file name too long\n");
1751                 goto err;
1752                 }
1753
1754 #ifndef OPENSSL_SYS_VMS
1755         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1756 #else
1757         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1758 #endif
1759 #ifndef OPENSSL_SYS_VMS
1760         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1761 #else
1762         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1763 #endif
1764 #ifndef OPENSSL_SYS_VMS
1765         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1766 #else
1767         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1768 #endif
1769 #ifdef RL_DEBUG
1770         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1771 #endif
1772         if (BIO_write_filename(out,buf[0]) <= 0)
1773                 {
1774                 perror(dbfile);
1775                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1776                 goto err;
1777                 }
1778         j=TXT_DB_write(out,db->db);
1779         if (j <= 0) goto err;
1780
1781         BIO_free(out);
1782
1783         out = BIO_new(BIO_s_file());
1784 #ifdef RL_DEBUG
1785         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1786 #endif
1787         if (BIO_write_filename(out,buf[1]) <= 0)
1788                 {
1789                 perror(buf[2]);
1790                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1791                 goto err;
1792                 }
1793         BIO_printf(out,"unique_subject = %s\n",
1794                 db->attributes.unique_subject ? "yes" : "no");
1795         BIO_free(out);
1796
1797         return 1;
1798  err:
1799         return 0;
1800         }
1801
1802 int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
1803         {
1804         char buf[5][BSIZE];
1805         int i,j;
1806         struct stat sb;
1807
1808         i = strlen(dbfile) + strlen(old_suffix);
1809         j = strlen(dbfile) + strlen(new_suffix);
1810         if (i > j) j = i;
1811         if (j + 6 >= BSIZE)
1812                 {
1813                 BIO_printf(bio_err,"file name too long\n");
1814                 goto err;
1815                 }
1816
1817 #ifndef OPENSSL_SYS_VMS
1818         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1819 #else
1820         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1821 #endif
1822 #ifndef OPENSSL_SYS_VMS
1823         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1824                 dbfile, new_suffix);
1825 #else
1826         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1827                 dbfile, new_suffix);
1828 #endif
1829 #ifndef OPENSSL_SYS_VMS
1830         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1831                 dbfile, new_suffix);
1832 #else
1833         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1834                 dbfile, new_suffix);
1835 #endif
1836 #ifndef OPENSSL_SYS_VMS
1837         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1838                 dbfile, old_suffix);
1839 #else
1840         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1841                 dbfile, old_suffix);
1842 #endif
1843 #ifndef OPENSSL_SYS_VMS
1844         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1845                 dbfile, old_suffix);
1846 #else
1847         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1848                 dbfile, old_suffix);
1849 #endif
1850         if (stat(dbfile,&sb) < 0)
1851                 {
1852                 if (errno != ENOENT
1853 #ifdef ENOTDIR
1854                         && errno != ENOTDIR)
1855 #endif
1856                         goto err;
1857                 }
1858         else
1859                 {
1860 #ifdef RL_DEBUG
1861                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1862                         dbfile, buf[1]);
1863 #endif
1864                 if (rename(dbfile,buf[1]) < 0)
1865                         {
1866                         BIO_printf(bio_err,
1867                                 "unable to rename %s to %s\n",
1868                                 dbfile, buf[1]);
1869                         perror("reason");
1870                         goto err;
1871                         }
1872                 }
1873 #ifdef RL_DEBUG
1874         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1875                 buf[0],dbfile);
1876 #endif
1877         if (rename(buf[0],dbfile) < 0)
1878                 {
1879                 BIO_printf(bio_err,
1880                         "unable to rename %s to %s\n",
1881                         buf[0],dbfile);
1882                 perror("reason");
1883                 rename(buf[1],dbfile);
1884                 goto err;
1885                 }
1886         if (stat(buf[4],&sb) < 0)
1887                 {
1888                 if (errno != ENOENT
1889 #ifdef ENOTDIR
1890                         && errno != ENOTDIR)
1891 #endif
1892                         goto err;
1893                 }
1894         else
1895                 {
1896 #ifdef RL_DEBUG
1897                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1898                         buf[4],buf[3]);
1899 #endif
1900                 if (rename(buf[4],buf[3]) < 0)
1901                         {
1902                         BIO_printf(bio_err,
1903                                 "unable to rename %s to %s\n",
1904                                 buf[4], buf[3]);
1905                         perror("reason");
1906                         rename(dbfile,buf[0]);
1907                         rename(buf[1],dbfile);
1908                         goto err;
1909                         }
1910                 }
1911 #ifdef RL_DEBUG
1912         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1913                 buf[2],buf[4]);
1914 #endif
1915         if (rename(buf[2],buf[4]) < 0)
1916                 {
1917                 BIO_printf(bio_err,
1918                         "unable to rename %s to %s\n",
1919                         buf[2],buf[4]);
1920                 perror("reason");
1921                 rename(buf[3],buf[4]);
1922                 rename(dbfile,buf[0]);
1923                 rename(buf[1],dbfile);
1924                 goto err;
1925                 }
1926         return 1;
1927  err:
1928         return 0;
1929         }
1930
1931 void free_index(CA_DB *db)
1932         {
1933         if (db)
1934                 {
1935                 if (db->db) TXT_DB_free(db->db);
1936                 OPENSSL_free(db);
1937                 }
1938         }
1939
1940 int parse_yesno(char *str, int def)
1941         {
1942         int ret = def;
1943         if (str)
1944                 {
1945                 switch (*str)
1946                         {
1947                 case 'f': /* false */
1948                 case 'F': /* FALSE */
1949                 case 'n': /* no */
1950                 case 'N': /* NO */
1951                 case '0': /* 0 */
1952                         ret = 0;
1953                         break;
1954                 case 't': /* true */
1955                 case 'T': /* TRUE */
1956                 case 'y': /* yes */
1957                 case 'Y': /* YES */
1958                 case '1': /* 1 */
1959                         ret = 0;
1960                         break;
1961                 default:
1962                         ret = def;
1963                         break;
1964                         }
1965                 }
1966         return ret;
1967         }
1968
1969 /*
1970  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1971  * where characters may be escaped by \
1972  */
1973 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
1974         {
1975         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
1976         char *buf = OPENSSL_malloc(buflen);
1977         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
1978         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
1979         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
1980         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
1981
1982         char *sp = subject, *bp = buf;
1983         int i, ne_num = 0;
1984
1985         X509_NAME *n = NULL;
1986         int nid;
1987
1988         if (!buf || !ne_types || !ne_values)
1989                 {
1990                 BIO_printf(bio_err, "malloc error\n");
1991                 goto error;
1992                 }
1993
1994         if (*subject != '/')
1995                 {
1996                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
1997                 goto error;
1998                 }
1999         sp++; /* skip leading / */
2000
2001         /* no multivalued RDN by default */
2002         mval[ne_num] = 0;
2003
2004         while (*sp)
2005                 {
2006                 /* collect type */
2007                 ne_types[ne_num] = bp;
2008                 while (*sp)
2009                         {
2010                         if (*sp == '\\') /* is there anything to escape in the type...? */
2011                                 {
2012                                 if (*++sp)
2013                                         *bp++ = *sp++;
2014                                 else
2015                                         {
2016                                         BIO_printf(bio_err, "escape character at end of string\n");
2017                                         goto error;
2018                                         }
2019                                 }
2020                         else if (*sp == '=')
2021                                 {
2022                                 sp++;
2023                                 *bp++ = '\0';
2024                                 break;
2025                                 }
2026                         else
2027                                 *bp++ = *sp++;
2028                         }
2029                 if (!*sp)
2030                         {
2031                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2032                         goto error;
2033                         }
2034                 ne_values[ne_num] = bp;
2035                 while (*sp)
2036                         {
2037                         if (*sp == '\\')
2038                                 {
2039                                 if (*++sp)
2040                                         *bp++ = *sp++;
2041                                 else
2042                                         {
2043                                         BIO_printf(bio_err, "escape character at end of string\n");
2044                                         goto error;
2045                                         }
2046                                 }
2047                         else if (*sp == '/')
2048                                 {
2049                                 sp++;
2050                                 /* no multivalued RDN by default */
2051                                 mval[ne_num+1] = 0;
2052                                 break;
2053                                 }
2054                         else if (*sp == '+' && multirdn)
2055                                 {
2056                                 /* a not escaped + signals a mutlivalued RDN */
2057                                 sp++;
2058                                 mval[ne_num+1] = -1;
2059                                 break;
2060                                 }
2061                         else
2062                                 *bp++ = *sp++;
2063                         }
2064                 *bp++ = '\0';
2065                 ne_num++;
2066                 }
2067
2068         if (!(n = X509_NAME_new()))
2069                 goto error;
2070
2071         for (i = 0; i < ne_num; i++)
2072                 {
2073                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2074                         {
2075                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2076                         continue;
2077                         }
2078
2079                 if (!*ne_values[i])
2080                         {
2081                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2082                         continue;
2083                         }
2084
2085                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2086                         goto error;
2087                 }
2088
2089         OPENSSL_free(ne_values);
2090         OPENSSL_free(ne_types);
2091         OPENSSL_free(buf);
2092         return n;
2093
2094 error:
2095         X509_NAME_free(n);
2096         if (ne_values)
2097                 OPENSSL_free(ne_values);
2098         if (ne_types)
2099                 OPENSSL_free(ne_types);
2100         if (buf)
2101                 OPENSSL_free(buf);
2102         return NULL;
2103 }
2104
2105 /* This code MUST COME AFTER anything that uses rename() */
2106 #ifdef OPENSSL_SYS_WIN32
2107 int WIN32_rename(char *from, char *to)
2108         {
2109 #ifndef OPENSSL_SYS_WINCE
2110         /* Windows rename gives an error if 'to' exists, so delete it
2111          * first and ignore file not found errror
2112          */
2113         if((remove(to) != 0) && (errno != ENOENT))
2114                 return -1;
2115 #undef rename
2116         return rename(from, to);
2117 #else
2118         /* convert strings to UNICODE */
2119         {
2120         BOOL result = FALSE;
2121         WCHAR* wfrom;
2122         WCHAR* wto;
2123         int i;
2124         wfrom = malloc((strlen(from)+1)*2);
2125         wto = malloc((strlen(to)+1)*2);
2126         if (wfrom != NULL && wto != NULL)
2127                 {
2128                 for (i=0; i<(int)strlen(from)+1; i++)
2129                         wfrom[i] = (short)from[i];
2130                 for (i=0; i<(int)strlen(to)+1; i++)
2131                         wto[i] = (short)to[i];
2132                 result = MoveFile(wfrom, wto);
2133                 }
2134         if (wfrom != NULL)
2135                 free(wfrom);
2136         if (wto != NULL)
2137                 free(wto);
2138         return result;
2139         }
2140 #endif
2141         }
2142 #endif
2143
2144 int args_verify(char ***pargs, int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2145         {
2146         ASN1_OBJECT *otmp = NULL;
2147         unsigned long flags = 0;
2148         char *arg = **pargs, *argn = (*pargs)[1];
2149         if (!strcmp(arg, "-policy"))
2150                 {
2151                 if (!argn)
2152                         *badarg = 1;
2153                 else
2154                         {
2155                         otmp = OBJ_txt2obj(argn, 0);
2156                         if (!otmp)
2157                                 {
2158                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2159                                                                         argn);
2160                                 *badarg = 1;
2161                                 }
2162                         }
2163                 (*pargs)++;
2164                 }
2165         else if (!strcmp(arg, "-ignore_critical"))
2166                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2167         else if (!strcmp(arg, "-issuer_checks"))
2168                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2169         else if (!strcmp(arg, "-crl_check"))
2170                 flags |=  X509_V_FLAG_CRL_CHECK;
2171         else if (!strcmp(arg, "-crl_check_all"))
2172                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2173         else if (!strcmp(arg, "-policy_check"))
2174                 flags |= X509_V_FLAG_POLICY_CHECK;
2175         else if (!strcmp(arg, "-explicit_policy"))
2176                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2177         else if (!strcmp(arg, "-x509_strict"))
2178                 flags |= X509_V_FLAG_X509_STRICT;
2179         else if (!strcmp(arg, "-policy_print"))
2180                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2181         else
2182                 return 0;
2183
2184         if (*badarg)
2185                 {
2186                 if (*pm)
2187                         X509_VERIFY_PARAM_free(*pm);
2188                 *pm = NULL;
2189                 return 1;
2190                 }
2191
2192         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2193                 {
2194                 *badarg = 1;
2195                 return 1;
2196                 }
2197
2198         if (otmp)
2199                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2200         if (flags)
2201                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2202
2203         (*pargs)++;
2204
2205         return 1;
2206
2207         }