crypto/openssl-0.9/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         const 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                         char **tmp_p;
 378                         int tlen = arg->count + 20;
 379                         tmp_p = (char **)OPENSSL_realloc(arg->data,
 380                                 sizeof(char *)*tlen);
 381                         if (tmp_p == NULL)
 382                                 return 0;
 383                         arg->data  = tmp_p;
 384                         arg->count = tlen;
 385                         /* initialize newly allocated data */
 386                         for (i = num; i < arg->count; i++)
 387                                 arg->data[i] = NULL;
 388                         }
 389                 arg->data[num++]=p;
 390
 391                 /* now look for the end of this */
 392                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 393                         {
 394                         i= *(p++);
 395                         arg->data[num-1]++; /* jump over quote */
 396                         while (*p && (*p != i))
 397                                 p++;
 398                         *p='\0';
 399                         }
 400                 else
 401                         {
 402                         while (*p && ((*p != ' ') &&
 403                                 (*p != '\t') && (*p != '\n')))
 404                                 p++;
 405
 406                         if (*p == '\0')
 407                                 p--;
 408                         else
 409                                 *p='\0';
 410                         }
 411                 p++;
 412                 }
 413         *argc=num;
 414         *argv=arg->data;
 415         return(1);
 416         }
 417
 418 #ifndef APP_INIT
 419 int app_init(long mesgwin)
 420         {
 421         return(1);
 422         }
 423 #endif
 424
 425
 426 int dump_cert_text (BIO *out, X509 *x)
 427 {
 428         char *p;
 429
 430         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 431         BIO_puts(out,"subject=");
 432         BIO_puts(out,p);
 433         OPENSSL_free(p);
 434
 435         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 436         BIO_puts(out,"\nissuer=");
 437         BIO_puts(out,p);
 438         BIO_puts(out,"\n");
 439         OPENSSL_free(p);
 440
 441         return 0;
 442 }
 443
 444 static int ui_open(UI *ui)
 445         {
 446         return UI_method_get_opener(UI_OpenSSL())(ui);
 447         }
 448 static int ui_read(UI *ui, UI_STRING *uis)
 449         {
 450         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 451                 && UI_get0_user_data(ui))
 452                 {
 453                 switch(UI_get_string_type(uis))
 454                         {
 455                 case UIT_PROMPT:
 456                 case UIT_VERIFY:
 457                         {
 458                         const char *password =
 459                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 460                         if (password && password[0] != '\0')
 461                                 {
 462                                 UI_set_result(ui, uis, password);
 463                                 return 1;
 464                                 }
 465                         }
 466                 default:
 467                         break;
 468                         }
 469                 }
 470         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 471         }
 472 static int ui_write(UI *ui, UI_STRING *uis)
 473         {
 474         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 475                 && UI_get0_user_data(ui))
 476                 {
 477                 switch(UI_get_string_type(uis))
 478                         {
 479                 case UIT_PROMPT:
 480                 case UIT_VERIFY:
 481                         {
 482                         const char *password =
 483                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 484                         if (password && password[0] != '\0')
 485                                 return 1;
 486                         }
 487                 default:
 488                         break;
 489                         }
 490                 }
 491         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 492         }
 493 static int ui_close(UI *ui)
 494         {
 495         return UI_method_get_closer(UI_OpenSSL())(ui);
 496         }
 497 int setup_ui_method(void)
 498         {
 499         ui_method = UI_create_method("OpenSSL application user interface");
 500         UI_method_set_opener(ui_method, ui_open);
 501         UI_method_set_reader(ui_method, ui_read);
 502         UI_method_set_writer(ui_method, ui_write);
 503         UI_method_set_closer(ui_method, ui_close);
 504         return 0;
 505         }
 506 void destroy_ui_method(void)
 507         {
 508         if(ui_method)
 509                 {
 510                 UI_destroy_method(ui_method);
 511                 ui_method = NULL;
 512                 }
 513         }
 514 int password_callback(char *buf, int bufsiz, int verify,
 515         PW_CB_DATA *cb_tmp)
 516         {
 517         UI *ui = NULL;
 518         int res = 0;
 519         const char *prompt_info = NULL;
 520         const char *password = NULL;
 521         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 522
 523         if (cb_data)
 524                 {
 525                 if (cb_data->password)
 526                         password = cb_data->password;
 527                 if (cb_data->prompt_info)
 528                         prompt_info = cb_data->prompt_info;
 529                 }
 530
 531         if (password)
 532                 {
 533                 res = strlen(password);
 534                 if (res > bufsiz)
 535                         res = bufsiz;
 536                 memcpy(buf, password, res);
 537                 return res;
 538                 }
 539
 540         ui = UI_new_method(ui_method);
 541         if (ui)
 542                 {
 543                 int ok = 0;
 544                 char *buff = NULL;
 545                 int ui_flags = 0;
 546                 char *prompt = NULL;
 547
 548                 prompt = UI_construct_prompt(ui, "pass phrase",
 549                         prompt_info);
 550
 551                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 552                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 553
 554                 if (ok >= 0)
 555                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 556                                 PW_MIN_LENGTH,BUFSIZ-1);
 557                 if (ok >= 0 && verify)
 558                         {
 559                         buff = (char *)OPENSSL_malloc(bufsiz);
 560                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 561                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 562                         }
 563                 if (ok >= 0)
 564                         do
 565                                 {
 566                                 ok = UI_process(ui);
 567                                 }
 568                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 569
 570                 if (buff)
 571                         {
 572                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 573                         OPENSSL_free(buff);
 574                         }
 575
 576                 if (ok >= 0)
 577                         res = strlen(buf);
 578                 if (ok == -1)
 579                         {
 580                         BIO_printf(bio_err, "User interface error\n");
 581                         ERR_print_errors(bio_err);
 582                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 583                         res = 0;
 584                         }
 585                 if (ok == -2)
 586                         {
 587                         BIO_printf(bio_err,"aborted!\n");
 588                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 589                         res = 0;
 590                         }
 591                 UI_free(ui);
 592                 OPENSSL_free(prompt);
 593                 }
 594         return res;
 595         }
 596
 597 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 598
 599 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 600 {
 601         int same;
 602         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 603         else same = 1;
 604         if(arg1) {
 605                 *pass1 = app_get_pass(err, arg1, same);
 606                 if(!*pass1) return 0;
 607         } else if(pass1) *pass1 = NULL;
 608         if(arg2) {
 609                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 610                 if(!*pass2) return 0;
 611         } else if(pass2) *pass2 = NULL;
 612         return 1;
 613 }
 614
 615 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 616 {
 617         char *tmp, tpass[APP_PASS_LEN];
 618         static BIO *pwdbio = NULL;
 619         int i;
 620         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 621         if(!strncmp(arg, "env:", 4)) {
 622                 tmp = getenv(arg + 4);
 623                 if(!tmp) {
 624                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 625                         return NULL;
 626                 }
 627                 return BUF_strdup(tmp);
 628         }
 629         if(!keepbio || !pwdbio) {
 630                 if(!strncmp(arg, "file:", 5)) {
 631                         pwdbio = BIO_new_file(arg + 5, "r");
 632                         if(!pwdbio) {
 633                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 634                                 return NULL;
 635                         }
 636                 } else if(!strncmp(arg, "fd:", 3)) {
 637                         BIO *btmp;
 638                         i = atoi(arg + 3);
 639                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 640                         if((i < 0) || !pwdbio) {
 641                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 642                                 return NULL;
 643                         }
 644                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 645                         btmp = BIO_new(BIO_f_buffer());
 646                         pwdbio = BIO_push(btmp, pwdbio);
 647                 } else if(!strcmp(arg, "stdin")) {
 648                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 649                         if(!pwdbio) {
 650                                 BIO_printf(err, "Can't open BIO for stdin\n");
 651                                 return NULL;
 652                         }
 653                 } else {
 654                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 655                         return NULL;
 656                 }
 657         }
 658         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 659         if(keepbio != 1) {
 660                 BIO_free_all(pwdbio);
 661                 pwdbio = NULL;
 662         }
 663         if(i <= 0) {
 664                 BIO_printf(err, "Error reading password from BIO\n");
 665                 return NULL;
 666         }
 667         tmp = strchr(tpass, '\n');
 668         if(tmp) *tmp = 0;
 669         return BUF_strdup(tpass);
 670 }
 671
 672 int add_oid_section(BIO *err, CONF *conf)
 673 {
 674         char *p;
 675         STACK_OF(CONF_VALUE) *sktmp;
 676         CONF_VALUE *cnf;
 677         int i;
 678         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 679                 {
 680                 ERR_clear_error();
 681                 return 1;
 682                 }
 683         if(!(sktmp = NCONF_get_section(conf, p))) {
 684                 BIO_printf(err, "problem loading oid section %s\n", p);
 685                 return 0;
 686         }
 687         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 688                 cnf = sk_CONF_VALUE_value(sktmp, i);
 689                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 690                         BIO_printf(err, "problem creating object %s=%s\n",
 691                                                          cnf->name, cnf->value);
 692                         return 0;
 693                 }
 694         }
 695         return 1;
 696 }
 697
 698 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 699                 pem_password_cb *pem_cb,  void *cb_data,
 700                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 701         {
 702         const char *pass;
 703         char tpass[PEM_BUFSIZE];
 704         int len, ret = 0;
 705         PKCS12 *p12;
 706         p12 = d2i_PKCS12_bio(in, NULL);
 707         if (p12 == NULL)
 708                 {
 709                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 710                 goto die;
 711                 }
 712         /* See if an empty password will do */
 713         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 714                 pass = "";
 715         else
 716                 {
 717                 if (!pem_cb)
 718                         pem_cb = (pem_password_cb *)password_callback;
 719                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 720                 if (len < 0)
 721                         {
 722                         BIO_printf(err, "Passpharse callback error for %s\n",
 723                                         desc);
 724                         goto die;
 725                         }
 726                 if (len < PEM_BUFSIZE)
 727                         tpass[len] = 0;
 728                 if (!PKCS12_verify_mac(p12, tpass, len))
 729                         {
 730                         BIO_printf(err,
 731         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 732                         goto die;
 733                         }
 734                 pass = tpass;
 735                 }
 736         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 737         die:
 738         if (p12)
 739                 PKCS12_free(p12);
 740         return ret;
 741         }
 742
 743 X509 *load_cert(BIO *err, const char *file, int format,
 744         const char *pass, ENGINE *e, const char *cert_descrip)
 745         {
 746         ASN1_HEADER *ah=NULL;
 747         BUF_MEM *buf=NULL;
 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                 const unsigned char *p,*op;
 778                 int size=0,i;
 779
 780                 /* We sort of have to do it this way because it is sort of nice
 781                  * to read the header first and check it, then
 782                  * try to read the certificate */
 783                 buf=BUF_MEM_new();
 784                 for (;;)
 785                         {
 786                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 787                                 goto end;
 788                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 789                         size+=i;
 790                         if (i == 0) break;
 791                         if (i < 0)
 792                                 {
 793                                 perror("reading certificate");
 794                                 goto end;
 795                                 }
 796                         }
 797                 p=(unsigned char *)buf->data;
 798                 op=p;
 799
 800                 /* First load the header */
 801                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 802                         goto end;
 803                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 804                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 805                         ah->header->length) != 0))
 806                         {
 807                         BIO_printf(err,"Error reading header on certificate\n");
 808                         goto end;
 809                         }
 810                 /* header is ok, so now read the object */
 811                 p=op;
 812                 ah->meth=X509_asn1_meth();
 813                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 814                         goto end;
 815                 x=(X509 *)ah->data;
 816                 ah->data=NULL;
 817                 }
 818         else if (format == FORMAT_PEM)
 819                 x=PEM_read_bio_X509_AUX(cert,NULL,
 820                         (pem_password_cb *)password_callback, NULL);
 821         else if (format == FORMAT_PKCS12)
 822                 {
 823                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 824                                         NULL, &x, NULL))
 825                         goto end;
 826                 }
 827         else    {
 828                 BIO_printf(err,"bad input format specified for %s\n",
 829                         cert_descrip);
 830                 goto end;
 831                 }
 832 end:
 833         if (x == NULL)
 834                 {
 835                 BIO_printf(err,"unable to load certificate\n");
 836                 ERR_print_errors(err);
 837                 }
 838         if (ah != NULL) ASN1_HEADER_free(ah);
 839         if (cert != NULL) BIO_free(cert);
 840         if (buf != NULL) BUF_MEM_free(buf);
 841         return(x);
 842         }
 843
 844 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 845         const char *pass, ENGINE *e, const char *key_descrip)
 846         {
 847         BIO *key=NULL;
 848         EVP_PKEY *pkey=NULL;
 849         PW_CB_DATA cb_data;
 850
 851         cb_data.password = pass;
 852         cb_data.prompt_info = file;
 853
 854         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 855                 {
 856                 BIO_printf(err,"no keyfile specified\n");
 857                 goto end;
 858                 }
 859 #ifndef OPENSSL_NO_ENGINE
 860         if (format == FORMAT_ENGINE)
 861                 {
 862                 if (!e)
 863                         BIO_printf(bio_err,"no engine specified\n");
 864                 else
 865                         pkey = ENGINE_load_private_key(e, file,
 866                                 ui_method, &cb_data);
 867                 goto end;
 868                 }
 869 #endif
 870         key=BIO_new(BIO_s_file());
 871         if (key == NULL)
 872                 {
 873                 ERR_print_errors(err);
 874                 goto end;
 875                 }
 876         if (file == NULL && maybe_stdin)
 877                 {
 878                 setvbuf(stdin, NULL, _IONBF, 0);
 879                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 880                 }
 881         else
 882                 if (BIO_read_filename(key,file) <= 0)
 883                         {
 884                         BIO_printf(err, "Error opening %s %s\n",
 885                                 key_descrip, file);
 886                         ERR_print_errors(err);
 887                         goto end;
 888                         }
 889         if (format == FORMAT_ASN1)
 890                 {
 891                 pkey=d2i_PrivateKey_bio(key, NULL);
 892                 }
 893         else if (format == FORMAT_PEM)
 894                 {
 895                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 896                         (pem_password_cb *)password_callback, &cb_data);
 897                 }
 898 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 899         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 900                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 901 #endif
 902         else if (format == FORMAT_PKCS12)
 903                 {
 904                 if (!load_pkcs12(err, key, key_descrip,
 905                                 (pem_password_cb *)password_callback, &cb_data,
 906                                 &pkey, NULL, NULL))
 907                         goto end;
 908                 }
 909         else
 910                 {
 911                 BIO_printf(err,"bad input format specified for key file\n");
 912                 goto end;
 913                 }
 914  end:
 915         if (key != NULL) BIO_free(key);
 916         if (pkey == NULL)
 917                 BIO_printf(err,"unable to load %s\n", key_descrip);
 918         return(pkey);
 919         }
 920
 921 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 922         const char *pass, ENGINE *e, const char *key_descrip)
 923         {
 924         BIO *key=NULL;
 925         EVP_PKEY *pkey=NULL;
 926         PW_CB_DATA cb_data;
 927
 928         cb_data.password = pass;
 929         cb_data.prompt_info = file;
 930
 931         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 932                 {
 933                 BIO_printf(err,"no keyfile specified\n");
 934                 goto end;
 935                 }
 936 #ifndef OPENSSL_NO_ENGINE
 937         if (format == FORMAT_ENGINE)
 938                 {
 939                 if (!e)
 940                         BIO_printf(bio_err,"no engine specified\n");
 941                 else
 942                         pkey = ENGINE_load_public_key(e, file,
 943                                 ui_method, &cb_data);
 944                 goto end;
 945                 }
 946 #endif
 947         key=BIO_new(BIO_s_file());
 948         if (key == NULL)
 949                 {
 950                 ERR_print_errors(err);
 951                 goto end;
 952                 }
 953         if (file == NULL && maybe_stdin)
 954                 {
 955                 setvbuf(stdin, NULL, _IONBF, 0);
 956                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 957                 }
 958         else
 959                 if (BIO_read_filename(key,file) <= 0)
 960                         {
 961                         BIO_printf(err, "Error opening %s %s\n",
 962                                 key_descrip, file);
 963                         ERR_print_errors(err);
 964                         goto end;
 965                 }
 966         if (format == FORMAT_ASN1)
 967                 {
 968                 pkey=d2i_PUBKEY_bio(key, NULL);
 969                 }
 970         else if (format == FORMAT_PEM)
 971                 {
 972                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 973                         (pem_password_cb *)password_callback, &cb_data);
 974                 }
 975 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 976         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 977                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 978 #endif
 979         else
 980                 {
 981                 BIO_printf(err,"bad input format specified for key file\n");
 982                 goto end;
 983                 }
 984  end:
 985         if (key != NULL) BIO_free(key);
 986         if (pkey == NULL)
 987                 BIO_printf(err,"unable to load %s\n", key_descrip);
 988         return(pkey);
 989         }
 990
 991 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 992 static EVP_PKEY *
 993 load_netscape_key(BIO *err, BIO *key, const char *file,
 994                 const char *key_descrip, int format)
 995         {
 996         EVP_PKEY *pkey;
 997         BUF_MEM *buf;
 998         RSA     *rsa;
 999         const unsigned char *p;
1000         int size, i;
1001
1002         buf=BUF_MEM_new();
1003         pkey = EVP_PKEY_new();
1004         size = 0;
1005         if (buf == NULL || pkey == NULL)
1006                 goto error;
1007         for (;;)
1008                 {
1009                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1010                         goto error;
1011                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1012                 size += i;
1013                 if (i == 0)
1014                         break;
1015                 if (i < 0)
1016                         {
1017                                 BIO_printf(err, "Error reading %s %s",
1018                                         key_descrip, file);
1019                                 goto error;
1020                         }
1021                 }
1022         p=(unsigned char *)buf->data;
1023         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1024                 (format == FORMAT_IISSGC ? 1 : 0));
1025         if (rsa == NULL)
1026                 goto error;
1027         BUF_MEM_free(buf);
1028         EVP_PKEY_set1_RSA(pkey, rsa);
1029         return pkey;
1030 error:
1031         BUF_MEM_free(buf);
1032         EVP_PKEY_free(pkey);
1033         return NULL;
1034         }
1035 #endif /* ndef OPENSSL_NO_RC4 */
1036
1037 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1038         const char *pass, ENGINE *e, const char *cert_descrip)
1039         {
1040         BIO *certs;
1041         int i;
1042         STACK_OF(X509) *othercerts = NULL;
1043         STACK_OF(X509_INFO) *allcerts = NULL;
1044         X509_INFO *xi;
1045         PW_CB_DATA cb_data;
1046
1047         cb_data.password = pass;
1048         cb_data.prompt_info = file;
1049
1050         if((certs = BIO_new(BIO_s_file())) == NULL)
1051                 {
1052                 ERR_print_errors(err);
1053                 goto end;
1054                 }
1055
1056         if (file == NULL)
1057                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1058         else
1059                 {
1060                 if (BIO_read_filename(certs,file) <= 0)
1061                         {
1062                         BIO_printf(err, "Error opening %s %s\n",
1063                                 cert_descrip, file);
1064                         ERR_print_errors(err);
1065                         goto end;
1066                         }
1067                 }
1068
1069         if      (format == FORMAT_PEM)
1070                 {
1071                 othercerts = sk_X509_new_null();
1072                 if(!othercerts)
1073                         {
1074                         sk_X509_free(othercerts);
1075                         othercerts = NULL;
1076                         goto end;
1077                         }
1078                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1079                                 (pem_password_cb *)password_callback, &cb_data);
1080                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1081                         {
1082                         xi = sk_X509_INFO_value (allcerts, i);
1083                         if (xi->x509)
1084                                 {
1085                                 sk_X509_push(othercerts, xi->x509);
1086                                 xi->x509 = NULL;
1087                                 }
1088                         }
1089                 goto end;
1090                 }
1091         else    {
1092                 BIO_printf(err,"bad input format specified for %s\n",
1093                         cert_descrip);
1094                 goto end;
1095                 }
1096 end:
1097         if (othercerts == NULL)
1098                 {
1099                 BIO_printf(err,"unable to load certificates\n");
1100                 ERR_print_errors(err);
1101                 }
1102         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1103         if (certs != NULL) BIO_free(certs);
1104         return(othercerts);
1105         }
1106
1107
1108 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1109 /* Return error for unknown extensions */
1110 #define X509V3_EXT_DEFAULT              0
1111 /* Print error for unknown extensions */
1112 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1113 /* ASN1 parse unknown extensions */
1114 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1115 /* BIO_dump unknown extensions */
1116 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1117
1118 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1119                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1120
1121 int set_cert_ex(unsigned long *flags, const char *arg)
1122 {
1123         static const NAME_EX_TBL cert_tbl[] = {
1124                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1125                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1126                 { "no_header", X509_FLAG_NO_HEADER, 0},
1127                 { "no_version", X509_FLAG_NO_VERSION, 0},
1128                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1129                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1130                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1131                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1132                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1133                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1134                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1135                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1136                 { "no_aux", X509_FLAG_NO_AUX, 0},
1137                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1138                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1139                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1140                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1141                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1142                 { NULL, 0, 0}
1143         };
1144         return set_multi_opts(flags, arg, cert_tbl);
1145 }
1146
1147 int set_name_ex(unsigned long *flags, const char *arg)
1148 {
1149         static const NAME_EX_TBL ex_tbl[] = {
1150                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1151                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1152                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1153                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1154                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1155                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1156                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1157                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1158                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1159                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1160                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1161                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1162                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1163                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1164                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1165                 { "dn_rev", XN_FLAG_DN_REV, 0},
1166                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1167                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1168                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1169                 { "align", XN_FLAG_FN_ALIGN, 0},
1170                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1171                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1172                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1173                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1174                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1175                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1176                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1177                 { NULL, 0, 0}
1178         };
1179         return set_multi_opts(flags, arg, ex_tbl);
1180 }
1181
1182 int set_ext_copy(int *copy_type, const char *arg)
1183 {
1184         if (!strcasecmp(arg, "none"))
1185                 *copy_type = EXT_COPY_NONE;
1186         else if (!strcasecmp(arg, "copy"))
1187                 *copy_type = EXT_COPY_ADD;
1188         else if (!strcasecmp(arg, "copyall"))
1189                 *copy_type = EXT_COPY_ALL;
1190         else
1191                 return 0;
1192         return 1;
1193 }
1194
1195 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1196 {
1197         STACK_OF(X509_EXTENSION) *exts = NULL;
1198         X509_EXTENSION *ext, *tmpext;
1199         ASN1_OBJECT *obj;
1200         int i, idx, ret = 0;
1201         if (!x || !req || (copy_type == EXT_COPY_NONE))
1202                 return 1;
1203         exts = X509_REQ_get_extensions(req);
1204
1205         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1206                 ext = sk_X509_EXTENSION_value(exts, i);
1207                 obj = X509_EXTENSION_get_object(ext);
1208                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1209                 /* Does extension exist? */
1210                 if (idx != -1) {
1211                         /* If normal copy don't override existing extension */
1212                         if (copy_type == EXT_COPY_ADD)
1213                                 continue;
1214                         /* Delete all extensions of same type */
1215                         do {
1216                                 tmpext = X509_get_ext(x, idx);
1217                                 X509_delete_ext(x, idx);
1218                                 X509_EXTENSION_free(tmpext);
1219                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1220                         } while (idx != -1);
1221                 }
1222                 if (!X509_add_ext(x, ext, -1))
1223                         goto end;
1224         }
1225
1226         ret = 1;
1227
1228         end:
1229
1230         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1231
1232         return ret;
1233 }
1234
1235
1236
1237
1238 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1239 {
1240         STACK_OF(CONF_VALUE) *vals;
1241         CONF_VALUE *val;
1242         int i, ret = 1;
1243         if(!arg) return 0;
1244         vals = X509V3_parse_list(arg);
1245         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1246                 val = sk_CONF_VALUE_value(vals, i);
1247                 if (!set_table_opts(flags, val->name, in_tbl))
1248                         ret = 0;
1249         }
1250         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1251         return ret;
1252 }
1253
1254 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1255 {
1256         char c;
1257         const NAME_EX_TBL *ptbl;
1258         c = arg[0];
1259
1260         if(c == '-') {
1261                 c = 0;
1262                 arg++;
1263         } else if (c == '+') {
1264                 c = 1;
1265                 arg++;
1266         } else c = 1;
1267
1268         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1269                 if(!strcasecmp(arg, ptbl->name)) {
1270                         *flags &= ~ptbl->mask;
1271                         if(c) *flags |= ptbl->flag;
1272                         else *flags &= ~ptbl->flag;
1273                         return 1;
1274                 }
1275         }
1276         return 0;
1277 }
1278
1279 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1280 {
1281         char *buf;
1282         char mline = 0;
1283         int indent = 0;
1284
1285         if(title) BIO_puts(out, title);
1286         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1287                 mline = 1;
1288                 indent = 4;
1289         }
1290         if(lflags == XN_FLAG_COMPAT) {
1291                 buf = X509_NAME_oneline(nm, 0, 0);
1292                 BIO_puts(out, buf);
1293                 BIO_puts(out, "\n");
1294                 OPENSSL_free(buf);
1295         } else {
1296                 if(mline) BIO_puts(out, "\n");
1297                 X509_NAME_print_ex(out, nm, indent, lflags);
1298                 BIO_puts(out, "\n");
1299         }
1300 }
1301
1302 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1303 {
1304         X509_STORE *store;
1305         X509_LOOKUP *lookup;
1306         if(!(store = X509_STORE_new())) goto end;
1307         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1308         if (lookup == NULL) goto end;
1309         if (CAfile) {
1310                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1311                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1312                         goto end;
1313                 }
1314         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1315
1316         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1317         if (lookup == NULL) goto end;
1318         if (CApath) {
1319                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1320                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1321                         goto end;
1322                 }
1323         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1324
1325         ERR_clear_error();
1326         return store;
1327         end:
1328         X509_STORE_free(store);
1329         return NULL;
1330 }
1331
1332 #ifndef OPENSSL_NO_ENGINE
1333 /* Try to load an engine in a shareable library */
1334 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1335         {
1336         ENGINE *e = ENGINE_by_id("dynamic");
1337         if (e)
1338                 {
1339                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1340                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1341                         {
1342                         ENGINE_free(e);
1343                         e = NULL;
1344                         }
1345                 }
1346         return e;
1347         }
1348
1349 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1350         {
1351         ENGINE *e = NULL;
1352
1353         if (engine)
1354                 {
1355                 if(strcmp(engine, "auto") == 0)
1356                         {
1357                         BIO_printf(err,"enabling auto ENGINE support\n");
1358                         ENGINE_register_all_complete();
1359                         return NULL;
1360                         }
1361                 if((e = ENGINE_by_id(engine)) == NULL
1362                         && (e = try_load_engine(err, engine, debug)) == NULL)
1363                         {
1364                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1365                         ERR_print_errors(err);
1366                         return NULL;
1367                         }
1368                 if (debug)
1369                         {
1370                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1371                                 0, err, 0);
1372                         }
1373                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1374                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1375                         {
1376                         BIO_printf(err,"can't use that engine\n");
1377                         ERR_print_errors(err);
1378                         ENGINE_free(e);
1379                         return NULL;
1380                         }
1381
1382                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1383
1384                 /* Free our "structural" reference. */
1385                 ENGINE_free(e);
1386                 }
1387         return e;
1388         }
1389 #endif
1390
1391 int load_config(BIO *err, CONF *cnf)
1392         {
1393         if (!cnf)
1394                 cnf = config;
1395         if (!cnf)
1396                 return 1;
1397
1398         OPENSSL_load_builtin_modules();
1399
1400         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1401                 {
1402                 BIO_printf(err, "Error configuring OpenSSL\n");
1403                 ERR_print_errors(err);
1404                 return 0;
1405                 }
1406         return 1;
1407         }
1408
1409 char *make_config_name()
1410         {
1411         const char *t=X509_get_default_cert_area();
1412         size_t len;
1413         char *p;
1414
1415         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1416         p=OPENSSL_malloc(len);
1417         BUF_strlcpy(p,t,len);
1418 #ifndef OPENSSL_SYS_VMS
1419         BUF_strlcat(p,"/",len);
1420 #endif
1421         BUF_strlcat(p,OPENSSL_CONF,len);
1422
1423         return p;
1424         }
1425
1426 static unsigned long index_serial_hash(const char **a)
1427         {
1428         const char *n;
1429
1430         n=a[DB_serial];
1431         while (*n == '0') n++;
1432         return(lh_strhash(n));
1433         }
1434
1435 static int index_serial_cmp(const char **a, const char **b)
1436         {
1437         const char *aa,*bb;
1438
1439         for (aa=a[DB_serial]; *aa == '0'; aa++);
1440         for (bb=b[DB_serial]; *bb == '0'; bb++);
1441         return(strcmp(aa,bb));
1442         }
1443
1444 static int index_name_qual(char **a)
1445         { return(a[0][0] == 'V'); }
1446
1447 static unsigned long index_name_hash(const char **a)
1448         { return(lh_strhash(a[DB_name])); }
1449
1450 int index_name_cmp(const char **a, const char **b)
1451         { return(strcmp(a[DB_name],
1452              b[DB_name])); }
1453
1454 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1455 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1456 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1457 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1458
1459 #undef BSIZE
1460 #define BSIZE 256
1461
1462 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1463         {
1464         BIO *in=NULL;
1465         BIGNUM *ret=NULL;
1466         MS_STATIC char buf[1024];
1467         ASN1_INTEGER *ai=NULL;
1468
1469         ai=ASN1_INTEGER_new();
1470         if (ai == NULL) goto err;
1471
1472         if ((in=BIO_new(BIO_s_file())) == NULL)
1473                 {
1474                 ERR_print_errors(bio_err);
1475                 goto err;
1476                 }
1477
1478         if (BIO_read_filename(in,serialfile) <= 0)
1479                 {
1480                 if (!create)
1481                         {
1482                         perror(serialfile);
1483                         goto err;
1484                         }
1485                 else
1486                         {
1487                         ret=BN_new();
1488                         if (ret == NULL || !rand_serial(ret, ai))
1489                                 BIO_printf(bio_err, "Out of memory\n");
1490                         }
1491                 }
1492         else
1493                 {
1494                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1495                         {
1496                         BIO_printf(bio_err,"unable to load number from %s\n",
1497                                 serialfile);
1498                         goto err;
1499                         }
1500                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1501                 if (ret == NULL)
1502                         {
1503                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1504                         goto err;
1505                         }
1506                 }
1507
1508         if (ret && retai)
1509                 {
1510                 *retai = ai;
1511                 ai = NULL;
1512                 }
1513  err:
1514         if (in != NULL) BIO_free(in);
1515         if (ai != NULL) ASN1_INTEGER_free(ai);
1516         return(ret);
1517         }
1518
1519 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1520         {
1521         char buf[1][BSIZE];
1522         BIO *out = NULL;
1523         int ret=0;
1524         ASN1_INTEGER *ai=NULL;
1525         int j;
1526
1527         if (suffix == NULL)
1528                 j = strlen(serialfile);
1529         else
1530                 j = strlen(serialfile) + strlen(suffix) + 1;
1531         if (j >= BSIZE)
1532                 {
1533                 BIO_printf(bio_err,"file name too long\n");
1534                 goto err;
1535                 }
1536
1537         if (suffix == NULL)
1538                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1539         else
1540                 {
1541 #ifndef OPENSSL_SYS_VMS
1542                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1543 #else
1544                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1545 #endif
1546                 }
1547 #ifdef RL_DEBUG
1548         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1549 #endif
1550         out=BIO_new(BIO_s_file());
1551         if (out == NULL)
1552                 {
1553                 ERR_print_errors(bio_err);
1554                 goto err;
1555                 }
1556         if (BIO_write_filename(out,buf[0]) <= 0)
1557                 {
1558                 perror(serialfile);
1559                 goto err;
1560                 }
1561
1562         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1563                 {
1564                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1565                 goto err;
1566                 }
1567         i2a_ASN1_INTEGER(out,ai);
1568         BIO_puts(out,"\n");
1569         ret=1;
1570         if (retai)
1571                 {
1572                 *retai = ai;
1573                 ai = NULL;
1574                 }
1575 err:
1576         if (out != NULL) BIO_free_all(out);
1577         if (ai != NULL) ASN1_INTEGER_free(ai);
1578         return(ret);
1579         }
1580
1581 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1582         {
1583         char buf[5][BSIZE];
1584         int i,j;
1585         struct stat sb;
1586
1587         i = strlen(serialfile) + strlen(old_suffix);
1588         j = strlen(serialfile) + strlen(new_suffix);
1589         if (i > j) j = i;
1590         if (j + 1 >= BSIZE)
1591                 {
1592                 BIO_printf(bio_err,"file name too long\n");
1593                 goto err;
1594                 }
1595
1596 #ifndef OPENSSL_SYS_VMS
1597         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1598                 serialfile, new_suffix);
1599 #else
1600         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1601                 serialfile, new_suffix);
1602 #endif
1603 #ifndef OPENSSL_SYS_VMS
1604         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1605                 serialfile, old_suffix);
1606 #else
1607         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1608                 serialfile, old_suffix);
1609 #endif
1610         if (stat(serialfile,&sb) < 0)
1611                 {
1612                 if (errno != ENOENT
1613 #ifdef ENOTDIR
1614                         && errno != ENOTDIR
1615 #endif
1616                    )
1617                         goto err;
1618                 }
1619         else
1620                 {
1621 #ifdef RL_DEBUG
1622                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1623                         serialfile, buf[1]);
1624 #endif
1625                 if (rename(serialfile,buf[1]) < 0)
1626                         {
1627                         BIO_printf(bio_err,
1628                                 "unable to rename %s to %s\n",
1629                                 serialfile, buf[1]);
1630                         perror("reason");
1631                         goto err;
1632                         }
1633                 }
1634 #ifdef RL_DEBUG
1635         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1636                 buf[0],serialfile);
1637 #endif
1638         if (rename(buf[0],serialfile) < 0)
1639                 {
1640                 BIO_printf(bio_err,
1641                         "unable to rename %s to %s\n",
1642                         buf[0],serialfile);
1643                 perror("reason");
1644                 rename(buf[1],serialfile);
1645                 goto err;
1646                 }
1647         return 1;
1648  err:
1649         return 0;
1650         }
1651
1652 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1653         {
1654         BIGNUM *btmp;
1655         int ret = 0;
1656         if (b)
1657                 btmp = b;
1658         else
1659                 btmp = BN_new();
1660
1661         if (!btmp)
1662                 return 0;
1663
1664         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1665                 goto error;
1666         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1667                 goto error;
1668
1669         ret = 1;
1670
1671         error:
1672
1673         if (!b)
1674                 BN_free(btmp);
1675
1676         return ret;
1677         }
1678
1679 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1680         {
1681         CA_DB *retdb = NULL;
1682         TXT_DB *tmpdb = NULL;
1683         BIO *in = BIO_new(BIO_s_file());
1684         CONF *dbattr_conf = NULL;
1685         char buf[1][BSIZE];
1686         long errorline= -1;
1687
1688         if (in == NULL)
1689                 {
1690                 ERR_print_errors(bio_err);
1691                 goto err;
1692                 }
1693         if (BIO_read_filename(in,dbfile) <= 0)
1694                 {
1695                 perror(dbfile);
1696                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1697                 goto err;
1698                 }
1699         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1700                 {
1701                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1702                 goto err;
1703                 }
1704
1705 #ifndef OPENSSL_SYS_VMS
1706         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1707 #else
1708         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1709 #endif
1710         dbattr_conf = NCONF_new(NULL);
1711         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1712                 {
1713                 if (errorline > 0)
1714                         {
1715                         BIO_printf(bio_err,
1716                                 "error on line %ld of db attribute file '%s'\n"
1717                                 ,errorline,buf[0]);
1718                         goto err;
1719                         }
1720                 else
1721                         {
1722                         NCONF_free(dbattr_conf);
1723                         dbattr_conf = NULL;
1724                         }
1725                 }
1726
1727         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1728                 {
1729                 fprintf(stderr, "Out of memory\n");
1730                 goto err;
1731                 }
1732
1733         retdb->db = tmpdb;
1734         tmpdb = NULL;
1735         if (db_attr)
1736                 retdb->attributes = *db_attr;
1737         else
1738                 {
1739                 retdb->attributes.unique_subject = 1;
1740                 }
1741
1742         if (dbattr_conf)
1743                 {
1744                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1745                 if (p)
1746                         {
1747 #ifdef RL_DEBUG
1748                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1749 #endif
1750                         retdb->attributes.unique_subject = parse_yesno(p,1);
1751                         }
1752                 }
1753
1754  err:
1755         if (dbattr_conf) NCONF_free(dbattr_conf);
1756         if (tmpdb) TXT_DB_free(tmpdb);
1757         if (in) BIO_free_all(in);
1758         return retdb;
1759         }
1760
1761 int index_index(CA_DB *db)
1762         {
1763         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1764                                 LHASH_HASH_FN(index_serial_hash),
1765                                 LHASH_COMP_FN(index_serial_cmp)))
1766                 {
1767                 BIO_printf(bio_err,
1768                   "error creating serial number index:(%ld,%ld,%ld)\n",
1769                                         db->db->error,db->db->arg1,db->db->arg2);
1770                         return 0;
1771                 }
1772
1773         if (db->attributes.unique_subject
1774                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1775                         LHASH_HASH_FN(index_name_hash),
1776                         LHASH_COMP_FN(index_name_cmp)))
1777                 {
1778                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1779                         db->db->error,db->db->arg1,db->db->arg2);
1780                 return 0;
1781                 }
1782         return 1;
1783         }
1784
1785 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1786         {
1787         char buf[3][BSIZE];
1788         BIO *out = BIO_new(BIO_s_file());
1789         int j;
1790
1791         if (out == NULL)
1792                 {
1793                 ERR_print_errors(bio_err);
1794                 goto err;
1795                 }
1796
1797         j = strlen(dbfile) + strlen(suffix);
1798         if (j + 6 >= BSIZE)
1799                 {
1800                 BIO_printf(bio_err,"file name too long\n");
1801                 goto err;
1802                 }
1803
1804 #ifndef OPENSSL_SYS_VMS
1805         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1806 #else
1807         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1808 #endif
1809 #ifndef OPENSSL_SYS_VMS
1810         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1811 #else
1812         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1813 #endif
1814 #ifndef OPENSSL_SYS_VMS
1815         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1816 #else
1817         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1818 #endif
1819 #ifdef RL_DEBUG
1820         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1821 #endif
1822         if (BIO_write_filename(out,buf[0]) <= 0)
1823                 {
1824                 perror(dbfile);
1825                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1826                 goto err;
1827                 }
1828         j=TXT_DB_write(out,db->db);
1829         if (j <= 0) goto err;
1830
1831         BIO_free(out);
1832
1833         out = BIO_new(BIO_s_file());
1834 #ifdef RL_DEBUG
1835         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1836 #endif
1837         if (BIO_write_filename(out,buf[1]) <= 0)
1838                 {
1839                 perror(buf[2]);
1840                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1841                 goto err;
1842                 }
1843         BIO_printf(out,"unique_subject = %s\n",
1844                 db->attributes.unique_subject ? "yes" : "no");
1845         BIO_free(out);
1846
1847         return 1;
1848  err:
1849         return 0;
1850         }
1851
1852 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1853         {
1854         char buf[5][BSIZE];
1855         int i,j;
1856         struct stat sb;
1857
1858         i = strlen(dbfile) + strlen(old_suffix);
1859         j = strlen(dbfile) + strlen(new_suffix);
1860         if (i > j) j = i;
1861         if (j + 6 >= BSIZE)
1862                 {
1863                 BIO_printf(bio_err,"file name too long\n");
1864                 goto err;
1865                 }
1866
1867 #ifndef OPENSSL_SYS_VMS
1868         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1869 #else
1870         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1871 #endif
1872 #ifndef OPENSSL_SYS_VMS
1873         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1874                 dbfile, new_suffix);
1875 #else
1876         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1877                 dbfile, new_suffix);
1878 #endif
1879 #ifndef OPENSSL_SYS_VMS
1880         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1881                 dbfile, new_suffix);
1882 #else
1883         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1884                 dbfile, new_suffix);
1885 #endif
1886 #ifndef OPENSSL_SYS_VMS
1887         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1888                 dbfile, old_suffix);
1889 #else
1890         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1891                 dbfile, old_suffix);
1892 #endif
1893 #ifndef OPENSSL_SYS_VMS
1894         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1895                 dbfile, old_suffix);
1896 #else
1897         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1898                 dbfile, old_suffix);
1899 #endif
1900         if (stat(dbfile,&sb) < 0)
1901                 {
1902                 if (errno != ENOENT
1903 #ifdef ENOTDIR
1904                         && errno != ENOTDIR
1905 #endif
1906                    )
1907                         goto err;
1908                 }
1909         else
1910                 {
1911 #ifdef RL_DEBUG
1912                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1913                         dbfile, buf[1]);
1914 #endif
1915                 if (rename(dbfile,buf[1]) < 0)
1916                         {
1917                         BIO_printf(bio_err,
1918                                 "unable to rename %s to %s\n",
1919                                 dbfile, buf[1]);
1920                         perror("reason");
1921                         goto err;
1922                         }
1923                 }
1924 #ifdef RL_DEBUG
1925         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1926                 buf[0],dbfile);
1927 #endif
1928         if (rename(buf[0],dbfile) < 0)
1929                 {
1930                 BIO_printf(bio_err,
1931                         "unable to rename %s to %s\n",
1932                         buf[0],dbfile);
1933                 perror("reason");
1934                 rename(buf[1],dbfile);
1935                 goto err;
1936                 }
1937         if (stat(buf[4],&sb) < 0)
1938                 {
1939                 if (errno != ENOENT
1940 #ifdef ENOTDIR
1941                         && errno != ENOTDIR
1942 #endif
1943                    )
1944                         goto err;
1945                 }
1946         else
1947                 {
1948 #ifdef RL_DEBUG
1949                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1950                         buf[4],buf[3]);
1951 #endif
1952                 if (rename(buf[4],buf[3]) < 0)
1953                         {
1954                         BIO_printf(bio_err,
1955                                 "unable to rename %s to %s\n",
1956                                 buf[4], buf[3]);
1957                         perror("reason");
1958                         rename(dbfile,buf[0]);
1959                         rename(buf[1],dbfile);
1960                         goto err;
1961                         }
1962                 }
1963 #ifdef RL_DEBUG
1964         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1965                 buf[2],buf[4]);
1966 #endif
1967         if (rename(buf[2],buf[4]) < 0)
1968                 {
1969                 BIO_printf(bio_err,
1970                         "unable to rename %s to %s\n",
1971                         buf[2],buf[4]);
1972                 perror("reason");
1973                 rename(buf[3],buf[4]);
1974                 rename(dbfile,buf[0]);
1975                 rename(buf[1],dbfile);
1976                 goto err;
1977                 }
1978         return 1;
1979  err:
1980         return 0;
1981         }
1982
1983 void free_index(CA_DB *db)
1984         {
1985         if (db)
1986                 {
1987                 if (db->db) TXT_DB_free(db->db);
1988                 OPENSSL_free(db);
1989                 }
1990         }
1991
1992 int parse_yesno(const char *str, int def)
1993         {
1994         int ret = def;
1995         if (str)
1996                 {
1997                 switch (*str)
1998                         {
1999                 case 'f': /* false */
2000                 case 'F': /* FALSE */
2001                 case 'n': /* no */
2002                 case 'N': /* NO */
2003                 case '0': /* 0 */
2004                         ret = 0;
2005                         break;
2006                 case 't': /* true */
2007                 case 'T': /* TRUE */
2008                 case 'y': /* yes */
2009                 case 'Y': /* YES */
2010                 case '1': /* 1 */
2011                         ret = 0;
2012                         break;
2013                 default:
2014                         ret = def;
2015                         break;
2016                         }
2017                 }
2018         return ret;
2019         }
2020
2021 /*
2022  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2023  * where characters may be escaped by \
2024  */
2025 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2026         {
2027         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2028         char *buf = OPENSSL_malloc(buflen);
2029         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2030         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2031         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2032         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2033
2034         char *sp = subject, *bp = buf;
2035         int i, ne_num = 0;
2036
2037         X509_NAME *n = NULL;
2038         int nid;
2039
2040         if (!buf || !ne_types || !ne_values)
2041                 {
2042                 BIO_printf(bio_err, "malloc error\n");
2043                 goto error;
2044                 }
2045
2046         if (*subject != '/')
2047                 {
2048                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2049                 goto error;
2050                 }
2051         sp++; /* skip leading / */
2052
2053         /* no multivalued RDN by default */
2054         mval[ne_num] = 0;
2055
2056         while (*sp)
2057                 {
2058                 /* collect type */
2059                 ne_types[ne_num] = bp;
2060                 while (*sp)
2061                         {
2062                         if (*sp == '\\') /* is there anything to escape in the type...? */
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                                 *bp++ = '\0';
2076                                 break;
2077                                 }
2078                         else
2079                                 *bp++ = *sp++;
2080                         }
2081                 if (!*sp)
2082                         {
2083                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2084                         goto error;
2085                         }
2086                 ne_values[ne_num] = bp;
2087                 while (*sp)
2088                         {
2089                         if (*sp == '\\')
2090                                 {
2091                                 if (*++sp)
2092                                         *bp++ = *sp++;
2093                                 else
2094                                         {
2095                                         BIO_printf(bio_err, "escape character at end of string\n");
2096                                         goto error;
2097                                         }
2098                                 }
2099                         else if (*sp == '/')
2100                                 {
2101                                 sp++;
2102                                 /* no multivalued RDN by default */
2103                                 mval[ne_num+1] = 0;
2104                                 break;
2105                                 }
2106                         else if (*sp == '+' && multirdn)
2107                                 {
2108                                 /* a not escaped + signals a mutlivalued RDN */
2109                                 sp++;
2110                                 mval[ne_num+1] = -1;
2111                                 break;
2112                                 }
2113                         else
2114                                 *bp++ = *sp++;
2115                         }
2116                 *bp++ = '\0';
2117                 ne_num++;
2118                 }
2119
2120         if (!(n = X509_NAME_new()))
2121                 goto error;
2122
2123         for (i = 0; i < ne_num; i++)
2124                 {
2125                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2126                         {
2127                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2128                         continue;
2129                         }
2130
2131                 if (!*ne_values[i])
2132                         {
2133                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2134                         continue;
2135                         }
2136
2137                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2138                         goto error;
2139                 }
2140
2141         OPENSSL_free(ne_values);
2142         OPENSSL_free(ne_types);
2143         OPENSSL_free(buf);
2144         return n;
2145
2146 error:
2147         X509_NAME_free(n);
2148         if (ne_values)
2149                 OPENSSL_free(ne_values);
2150         if (ne_types)
2151                 OPENSSL_free(ne_types);
2152         if (buf)
2153                 OPENSSL_free(buf);
2154         return NULL;
2155 }
2156
2157 /* This code MUST COME AFTER anything that uses rename() */
2158 #ifdef OPENSSL_SYS_WIN32
2159 int WIN32_rename(const char *from, const char *to)
2160         {
2161 #ifndef OPENSSL_SYS_WINCE
2162         /* Windows rename gives an error if 'to' exists, so delete it
2163          * first and ignore file not found errror
2164          */
2165         if((remove(to) != 0) && (errno != ENOENT))
2166                 return -1;
2167 #undef rename
2168         return rename(from, to);
2169 #else
2170         /* convert strings to UNICODE */
2171         {
2172         BOOL result = FALSE;
2173         WCHAR* wfrom;
2174         WCHAR* wto;
2175         int i;
2176         wfrom = malloc((strlen(from)+1)*2);
2177         wto = malloc((strlen(to)+1)*2);
2178         if (wfrom != NULL && wto != NULL)
2179                 {
2180                 for (i=0; i<(int)strlen(from)+1; i++)
2181                         wfrom[i] = (short)from[i];
2182                 for (i=0; i<(int)strlen(to)+1; i++)
2183                         wto[i] = (short)to[i];
2184                 result = MoveFile(wfrom, wto);
2185                 }
2186         if (wfrom != NULL)
2187                 free(wfrom);
2188         if (wto != NULL)
2189                 free(wto);
2190         return result;
2191         }
2192 #endif
2193         }
2194 #endif
2195
2196 int args_verify(char ***pargs, int *pargc,
2197                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2198         {
2199         ASN1_OBJECT *otmp = NULL;
2200         unsigned long flags = 0;
2201         int i;
2202         int purpose = 0;
2203         char **oldargs = *pargs;
2204         char *arg = **pargs, *argn = (*pargs)[1];
2205         if (!strcmp(arg, "-policy"))
2206                 {
2207                 if (!argn)
2208                         *badarg = 1;
2209                 else
2210                         {
2211                         otmp = OBJ_txt2obj(argn, 0);
2212                         if (!otmp)
2213                                 {
2214                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2215                                                                         argn);
2216                                 *badarg = 1;
2217                                 }
2218                         }
2219                 (*pargs)++;
2220                 }
2221         else if (strcmp(arg,"-purpose") == 0)
2222                 {
2223                 X509_PURPOSE *xptmp;
2224                 if (!argn)
2225                         *badarg = 1;
2226                 else
2227                         {
2228                         i = X509_PURPOSE_get_by_sname(argn);
2229                         if(i < 0)
2230                                 {
2231                                 BIO_printf(err, "unrecognized purpose\n");
2232                                 *badarg = 1;
2233                                 }
2234                         else
2235                                 {
2236                                 xptmp = X509_PURPOSE_get0(i);
2237                                 purpose = X509_PURPOSE_get_id(xptmp);
2238                                 }
2239                         }
2240                 (*pargs)++;
2241                 }
2242         else if (!strcmp(arg, "-ignore_critical"))
2243                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2244         else if (!strcmp(arg, "-issuer_checks"))
2245                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2246         else if (!strcmp(arg, "-crl_check"))
2247                 flags |=  X509_V_FLAG_CRL_CHECK;
2248         else if (!strcmp(arg, "-crl_check_all"))
2249                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2250         else if (!strcmp(arg, "-policy_check"))
2251                 flags |= X509_V_FLAG_POLICY_CHECK;
2252         else if (!strcmp(arg, "-explicit_policy"))
2253                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2254         else if (!strcmp(arg, "-x509_strict"))
2255                 flags |= X509_V_FLAG_X509_STRICT;
2256         else if (!strcmp(arg, "-policy_print"))
2257                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2258         else
2259                 return 0;
2260
2261         if (*badarg)
2262                 {
2263                 if (*pm)
2264                         X509_VERIFY_PARAM_free(*pm);
2265                 *pm = NULL;
2266                 goto end;
2267                 }
2268
2269         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2270                 {
2271                 *badarg = 1;
2272                 goto end;
2273                 }
2274
2275         if (otmp)
2276                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2277         if (flags)
2278                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2279
2280         if (purpose)
2281                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2282
2283         end:
2284
2285         (*pargs)++;
2286
2287         if (pargc)
2288                 *pargc -= *pargs - oldargs;
2289
2290         return 1;
2291
2292         }
2293
2294 static void nodes_print(BIO *out, const char *name,
2295         STACK_OF(X509_POLICY_NODE) *nodes)
2296         {
2297         X509_POLICY_NODE *node;
2298         int i;
2299         BIO_printf(out, "%s Policies:", name);
2300         if (nodes)
2301                 {
2302                 BIO_puts(out, "\n");
2303                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2304                         {
2305                         node = sk_X509_POLICY_NODE_value(nodes, i);
2306                         X509_POLICY_NODE_print(out, node, 2);
2307                         }
2308                 }
2309         else
2310                 BIO_puts(out, " <empty>\n");
2311         }
2312
2313 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2314         {
2315         X509_POLICY_TREE *tree;
2316         int explicit_policy;
2317         int free_out = 0;
2318         if (out == NULL)
2319                 {
2320                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2321                 free_out = 1;
2322                 }
2323         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2324         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2325
2326         BIO_printf(out, "Require explicit Policy: %s\n",
2327                                 explicit_policy ? "True" : "False");
2328
2329         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2330         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2331         if (free_out)
2332                 BIO_free(out);
2333         }