crypto/openssl/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 <assert.h>
 119 #include <openssl/err.h>
 120 #include <openssl/x509.h>
 121 #include <openssl/x509v3.h>
 122 #include <openssl/pem.h>
 123 #include <openssl/pkcs12.h>
 124 #include <openssl/ui.h>
 125 #include <openssl/safestack.h>
 126 #ifndef OPENSSL_NO_ENGINE
 127 #include <openssl/engine.h>
 128 #endif
 129 #ifndef OPENSSL_NO_RSA
 130 #include <openssl/rsa.h>
 131 #endif
 132 #include <openssl/bn.h>
 133 #ifndef OPENSSL_NO_JPAKE
 134 #include <openssl/jpake.h>
 135 #endif
 136
 137 #define NON_MAIN
 138 #include "apps.h"
 139 #undef NON_MAIN
 140
 141 typedef struct {
 142         const char *name;
 143         unsigned long flag;
 144         unsigned long mask;
 145 } NAME_EX_TBL;
 146
 147 static UI_METHOD *ui_method = NULL;
 148
 149 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 150 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 151
 152 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 153 /* Looks like this stuff is worth moving into separate function */
 154 static EVP_PKEY *
 155 load_netscape_key(BIO *err, BIO *key, const char *file,
 156                 const char *key_descrip, int format);
 157 #endif
 158
 159 int app_init(long mesgwin);
 160 #ifdef undef /* never finished - probably never will be :-) */
 161 int args_from_file(char *file, int *argc, char **argv[])
 162         {
 163         FILE *fp;
 164         int num,i;
 165         unsigned int len;
 166         static char *buf=NULL;
 167         static char **arg=NULL;
 168         char *p;
 169         struct stat stbuf;
 170
 171         if (stat(file,&stbuf) < 0) return(0);
 172
 173         fp=fopen(file,"r");
 174         if (fp == NULL)
 175                 return(0);
 176
 177         *argc=0;
 178         *argv=NULL;
 179
 180         len=(unsigned int)stbuf.st_size;
 181         if (buf != NULL) OPENSSL_free(buf);
 182         buf=(char *)OPENSSL_malloc(len+1);
 183         if (buf == NULL) return(0);
 184
 185         len=fread(buf,1,len,fp);
 186         if (len <= 1) return(0);
 187         buf[len]='\0';
 188
 189         i=0;
 190         for (p=buf; *p; p++)
 191                 if (*p == '\n') i++;
 192         if (arg != NULL) OPENSSL_free(arg);
 193         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 194
 195         *argv=arg;
 196         num=0;
 197         p=buf;
 198         for (;;)
 199                 {
 200                 if (!*p) break;
 201                 if (*p == '#') /* comment line */
 202                         {
 203                         while (*p && (*p != '\n')) p++;
 204                         continue;
 205                         }
 206                 /* else we have a line */
 207                 *(arg++)=p;
 208                 num++;
 209                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 210                         p++;
 211                 if (!*p) break;
 212                 if (*p == '\n')
 213                         {
 214                         *(p++)='\0';
 215                         continue;
 216                         }
 217                 /* else it is a tab or space */
 218                 p++;
 219                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 220                         p++;
 221                 if (!*p) break;
 222                 if (*p == '\n')
 223                         {
 224                         p++;
 225                         continue;
 226                         }
 227                 *(arg++)=p++;
 228                 num++;
 229                 while (*p && (*p != '\n')) p++;
 230                 if (!*p) break;
 231                 /* else *p == '\n' */
 232                 *(p++)='\0';
 233                 }
 234         *argc=num;
 235         return(1);
 236         }
 237 #endif
 238
 239 int str2fmt(char *s)
 240         {
 241         if      ((*s == 'D') || (*s == 'd'))
 242                 return(FORMAT_ASN1);
 243         else if ((*s == 'T') || (*s == 't'))
 244                 return(FORMAT_TEXT);
 245         else if ((*s == 'P') || (*s == 'p'))
 246                 return(FORMAT_PEM);
 247         else if ((*s == 'N') || (*s == 'n'))
 248                 return(FORMAT_NETSCAPE);
 249         else if ((*s == 'S') || (*s == 's'))
 250                 return(FORMAT_SMIME);
 251         else if ((*s == '1')
 252                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 253                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 254                 return(FORMAT_PKCS12);
 255         else if ((*s == 'E') || (*s == 'e'))
 256                 return(FORMAT_ENGINE);
 257         else
 258                 return(FORMAT_UNDEF);
 259         }
 260
 261 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 262 void program_name(char *in, char *out, int size)
 263         {
 264         int i,n;
 265         char *p=NULL;
 266
 267         n=strlen(in);
 268         /* find the last '/', '\' or ':' */
 269         for (i=n-1; i>0; i--)
 270                 {
 271                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 272                         {
 273                         p= &(in[i+1]);
 274                         break;
 275                         }
 276                 }
 277         if (p == NULL)
 278                 p=in;
 279         n=strlen(p);
 280
 281 #if defined(OPENSSL_SYS_NETWARE)
 282    /* strip off trailing .nlm if present. */
 283    if ((n > 4) && (p[n-4] == '.') &&
 284       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 285       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 286       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 287       n-=4;
 288 #else
 289         /* strip off trailing .exe if present. */
 290         if ((n > 4) && (p[n-4] == '.') &&
 291                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 292                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 293                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 294                 n-=4;
 295 #endif
 296
 297         if (n > size-1)
 298                 n=size-1;
 299
 300         for (i=0; i<n; i++)
 301                 {
 302                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 303                         out[i]=p[i]-'A'+'a';
 304                 else
 305                         out[i]=p[i];
 306                 }
 307         out[n]='\0';
 308         }
 309 #else
 310 #ifdef OPENSSL_SYS_VMS
 311 void program_name(char *in, char *out, int size)
 312         {
 313         char *p=in, *q;
 314         char *chars=":]>";
 315
 316         while(*chars != '\0')
 317                 {
 318                 q=strrchr(p,*chars);
 319                 if (q > p)
 320                         p = q + 1;
 321                 chars++;
 322                 }
 323
 324         q=strrchr(p,'.');
 325         if (q == NULL)
 326                 q = p + strlen(p);
 327         strncpy(out,p,size-1);
 328         if (q-p >= size)
 329                 {
 330                 out[size-1]='\0';
 331                 }
 332         else
 333                 {
 334                 out[q-p]='\0';
 335                 }
 336         }
 337 #else
 338 void program_name(char *in, char *out, int size)
 339         {
 340         char *p;
 341
 342         p=strrchr(in,'/');
 343         if (p != NULL)
 344                 p++;
 345         else
 346                 p=in;
 347         BUF_strlcpy(out,p,size);
 348         }
 349 #endif
 350 #endif
 351
 352 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 353         {
 354         int num,i;
 355         char *p;
 356
 357         *argc=0;
 358         *argv=NULL;
 359
 360         i=0;
 361         if (arg->count == 0)
 362                 {
 363                 arg->count=20;
 364                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 365                 }
 366         for (i=0; i<arg->count; i++)
 367                 arg->data[i]=NULL;
 368
 369         num=0;
 370         p=buf;
 371         for (;;)
 372                 {
 373                 /* first scan over white space */
 374                 if (!*p) break;
 375                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 376                         p++;
 377                 if (!*p) break;
 378
 379                 /* The start of something good :-) */
 380                 if (num >= arg->count)
 381                         {
 382                         char **tmp_p;
 383                         int tlen = arg->count + 20;
 384                         tmp_p = (char **)OPENSSL_realloc(arg->data,
 385                                 sizeof(char *)*tlen);
 386                         if (tmp_p == NULL)
 387                                 return 0;
 388                         arg->data  = tmp_p;
 389                         arg->count = tlen;
 390                         /* initialize newly allocated data */
 391                         for (i = num; i < arg->count; i++)
 392                                 arg->data[i] = NULL;
 393                         }
 394                 arg->data[num++]=p;
 395
 396                 /* now look for the end of this */
 397                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 398                         {
 399                         i= *(p++);
 400                         arg->data[num-1]++; /* jump over quote */
 401                         while (*p && (*p != i))
 402                                 p++;
 403                         *p='\0';
 404                         }
 405                 else
 406                         {
 407                         while (*p && ((*p != ' ') &&
 408                                 (*p != '\t') && (*p != '\n')))
 409                                 p++;
 410
 411                         if (*p == '\0')
 412                                 p--;
 413                         else
 414                                 *p='\0';
 415                         }
 416                 p++;
 417                 }
 418         *argc=num;
 419         *argv=arg->data;
 420         return(1);
 421         }
 422
 423 #ifndef APP_INIT
 424 int app_init(long mesgwin)
 425         {
 426         return(1);
 427         }
 428 #endif
 429
 430
 431 int dump_cert_text (BIO *out, X509 *x)
 432 {
 433         char *p;
 434
 435         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 436         BIO_puts(out,"subject=");
 437         BIO_puts(out,p);
 438         OPENSSL_free(p);
 439
 440         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 441         BIO_puts(out,"\nissuer=");
 442         BIO_puts(out,p);
 443         BIO_puts(out,"\n");
 444         OPENSSL_free(p);
 445
 446         return 0;
 447 }
 448
 449 static int ui_open(UI *ui)
 450         {
 451         return UI_method_get_opener(UI_OpenSSL())(ui);
 452         }
 453 static int ui_read(UI *ui, UI_STRING *uis)
 454         {
 455         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 456                 && UI_get0_user_data(ui))
 457                 {
 458                 switch(UI_get_string_type(uis))
 459                         {
 460                 case UIT_PROMPT:
 461                 case UIT_VERIFY:
 462                         {
 463                         const char *password =
 464                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 465                         if (password && password[0] != '\0')
 466                                 {
 467                                 UI_set_result(ui, uis, password);
 468                                 return 1;
 469                                 }
 470                         }
 471                 default:
 472                         break;
 473                         }
 474                 }
 475         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 476         }
 477 static int ui_write(UI *ui, UI_STRING *uis)
 478         {
 479         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 480                 && UI_get0_user_data(ui))
 481                 {
 482                 switch(UI_get_string_type(uis))
 483                         {
 484                 case UIT_PROMPT:
 485                 case UIT_VERIFY:
 486                         {
 487                         const char *password =
 488                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 489                         if (password && password[0] != '\0')
 490                                 return 1;
 491                         }
 492                 default:
 493                         break;
 494                         }
 495                 }
 496         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 497         }
 498 static int ui_close(UI *ui)
 499         {
 500         return UI_method_get_closer(UI_OpenSSL())(ui);
 501         }
 502 int setup_ui_method(void)
 503         {
 504         ui_method = UI_create_method("OpenSSL application user interface");
 505         UI_method_set_opener(ui_method, ui_open);
 506         UI_method_set_reader(ui_method, ui_read);
 507         UI_method_set_writer(ui_method, ui_write);
 508         UI_method_set_closer(ui_method, ui_close);
 509         return 0;
 510         }
 511 void destroy_ui_method(void)
 512         {
 513         if(ui_method)
 514                 {
 515                 UI_destroy_method(ui_method);
 516                 ui_method = NULL;
 517                 }
 518         }
 519 int password_callback(char *buf, int bufsiz, int verify,
 520         PW_CB_DATA *cb_tmp)
 521         {
 522         UI *ui = NULL;
 523         int res = 0;
 524         const char *prompt_info = NULL;
 525         const char *password = NULL;
 526         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 527
 528         if (cb_data)
 529                 {
 530                 if (cb_data->password)
 531                         password = cb_data->password;
 532                 if (cb_data->prompt_info)
 533                         prompt_info = cb_data->prompt_info;
 534                 }
 535
 536         if (password)
 537                 {
 538                 res = strlen(password);
 539                 if (res > bufsiz)
 540                         res = bufsiz;
 541                 memcpy(buf, password, res);
 542                 return res;
 543                 }
 544
 545         ui = UI_new_method(ui_method);
 546         if (ui)
 547                 {
 548                 int ok = 0;
 549                 char *buff = NULL;
 550                 int ui_flags = 0;
 551                 char *prompt = NULL;
 552
 553                 prompt = UI_construct_prompt(ui, "pass phrase",
 554                         prompt_info);
 555
 556                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 557                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 558
 559                 if (ok >= 0)
 560                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 561                                 PW_MIN_LENGTH,BUFSIZ-1);
 562                 if (ok >= 0 && verify)
 563                         {
 564                         buff = (char *)OPENSSL_malloc(bufsiz);
 565                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 566                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 567                         }
 568                 if (ok >= 0)
 569                         do
 570                                 {
 571                                 ok = UI_process(ui);
 572                                 }
 573                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 574
 575                 if (buff)
 576                         {
 577                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 578                         OPENSSL_free(buff);
 579                         }
 580
 581                 if (ok >= 0)
 582                         res = strlen(buf);
 583                 if (ok == -1)
 584                         {
 585                         BIO_printf(bio_err, "User interface error\n");
 586                         ERR_print_errors(bio_err);
 587                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 588                         res = 0;
 589                         }
 590                 if (ok == -2)
 591                         {
 592                         BIO_printf(bio_err,"aborted!\n");
 593                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 594                         res = 0;
 595                         }
 596                 UI_free(ui);
 597                 OPENSSL_free(prompt);
 598                 }
 599         return res;
 600         }
 601
 602 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 603
 604 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 605 {
 606         int same;
 607         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 608         else same = 1;
 609         if(arg1) {
 610                 *pass1 = app_get_pass(err, arg1, same);
 611                 if(!*pass1) return 0;
 612         } else if(pass1) *pass1 = NULL;
 613         if(arg2) {
 614                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 615                 if(!*pass2) return 0;
 616         } else if(pass2) *pass2 = NULL;
 617         return 1;
 618 }
 619
 620 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 621 {
 622         char *tmp, tpass[APP_PASS_LEN];
 623         static BIO *pwdbio = NULL;
 624         int i;
 625         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 626         if(!strncmp(arg, "env:", 4)) {
 627                 tmp = getenv(arg + 4);
 628                 if(!tmp) {
 629                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 630                         return NULL;
 631                 }
 632                 return BUF_strdup(tmp);
 633         }
 634         if(!keepbio || !pwdbio) {
 635                 if(!strncmp(arg, "file:", 5)) {
 636                         pwdbio = BIO_new_file(arg + 5, "r");
 637                         if(!pwdbio) {
 638                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 639                                 return NULL;
 640                         }
 641                 } else if(!strncmp(arg, "fd:", 3)) {
 642                         BIO *btmp;
 643                         i = atoi(arg + 3);
 644                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 645                         if((i < 0) || !pwdbio) {
 646                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 647                                 return NULL;
 648                         }
 649                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 650                         btmp = BIO_new(BIO_f_buffer());
 651                         pwdbio = BIO_push(btmp, pwdbio);
 652                 } else if(!strcmp(arg, "stdin")) {
 653                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 654                         if(!pwdbio) {
 655                                 BIO_printf(err, "Can't open BIO for stdin\n");
 656                                 return NULL;
 657                         }
 658                 } else {
 659                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 660                         return NULL;
 661                 }
 662         }
 663         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 664         if(keepbio != 1) {
 665                 BIO_free_all(pwdbio);
 666                 pwdbio = NULL;
 667         }
 668         if(i <= 0) {
 669                 BIO_printf(err, "Error reading password from BIO\n");
 670                 return NULL;
 671         }
 672         tmp = strchr(tpass, '\n');
 673         if(tmp) *tmp = 0;
 674         return BUF_strdup(tpass);
 675 }
 676
 677 int add_oid_section(BIO *err, CONF *conf)
 678 {
 679         char *p;
 680         STACK_OF(CONF_VALUE) *sktmp;
 681         CONF_VALUE *cnf;
 682         int i;
 683         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 684                 {
 685                 ERR_clear_error();
 686                 return 1;
 687                 }
 688         if(!(sktmp = NCONF_get_section(conf, p))) {
 689                 BIO_printf(err, "problem loading oid section %s\n", p);
 690                 return 0;
 691         }
 692         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 693                 cnf = sk_CONF_VALUE_value(sktmp, i);
 694                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 695                         BIO_printf(err, "problem creating object %s=%s\n",
 696                                                          cnf->name, cnf->value);
 697                         return 0;
 698                 }
 699         }
 700         return 1;
 701 }
 702
 703 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 704                 pem_password_cb *pem_cb,  void *cb_data,
 705                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 706         {
 707         const char *pass;
 708         char tpass[PEM_BUFSIZE];
 709         int len, ret = 0;
 710         PKCS12 *p12;
 711         p12 = d2i_PKCS12_bio(in, NULL);
 712         if (p12 == NULL)
 713                 {
 714                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 715                 goto die;
 716                 }
 717         /* See if an empty password will do */
 718         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 719                 pass = "";
 720         else
 721                 {
 722                 if (!pem_cb)
 723                         pem_cb = (pem_password_cb *)password_callback;
 724                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 725                 if (len < 0)
 726                         {
 727                         BIO_printf(err, "Passpharse callback error for %s\n",
 728                                         desc);
 729                         goto die;
 730                         }
 731                 if (len < PEM_BUFSIZE)
 732                         tpass[len] = 0;
 733                 if (!PKCS12_verify_mac(p12, tpass, len))
 734                         {
 735                         BIO_printf(err,
 736         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 737                         goto die;
 738                         }
 739                 pass = tpass;
 740                 }
 741         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 742         die:
 743         if (p12)
 744                 PKCS12_free(p12);
 745         return ret;
 746         }
 747
 748 X509 *load_cert(BIO *err, const char *file, int format,
 749         const char *pass, ENGINE *e, const char *cert_descrip)
 750         {
 751         ASN1_HEADER *ah=NULL;
 752         BUF_MEM *buf=NULL;
 753         X509 *x=NULL;
 754         BIO *cert;
 755
 756         if ((cert=BIO_new(BIO_s_file())) == NULL)
 757                 {
 758                 ERR_print_errors(err);
 759                 goto end;
 760                 }
 761
 762         if (file == NULL)
 763                 {
 764                 setvbuf(stdin, NULL, _IONBF, 0);
 765                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 766                 }
 767         else
 768                 {
 769                 if (BIO_read_filename(cert,file) <= 0)
 770                         {
 771                         BIO_printf(err, "Error opening %s %s\n",
 772                                 cert_descrip, file);
 773                         ERR_print_errors(err);
 774                         goto end;
 775                         }
 776                 }
 777
 778         if      (format == FORMAT_ASN1)
 779                 x=d2i_X509_bio(cert,NULL);
 780         else if (format == FORMAT_NETSCAPE)
 781                 {
 782                 const unsigned char *p,*op;
 783                 int size=0,i;
 784
 785                 /* We sort of have to do it this way because it is sort of nice
 786                  * to read the header first and check it, then
 787                  * try to read the certificate */
 788                 buf=BUF_MEM_new();
 789                 for (;;)
 790                         {
 791                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 792                                 goto end;
 793                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 794                         size+=i;
 795                         if (i == 0) break;
 796                         if (i < 0)
 797                                 {
 798                                 perror("reading certificate");
 799                                 goto end;
 800                                 }
 801                         }
 802                 p=(unsigned char *)buf->data;
 803                 op=p;
 804
 805                 /* First load the header */
 806                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 807                         goto end;
 808                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 809                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 810                         ah->header->length) != 0))
 811                         {
 812                         BIO_printf(err,"Error reading header on certificate\n");
 813                         goto end;
 814                         }
 815                 /* header is ok, so now read the object */
 816                 p=op;
 817                 ah->meth=X509_asn1_meth();
 818                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 819                         goto end;
 820                 x=(X509 *)ah->data;
 821                 ah->data=NULL;
 822                 }
 823         else if (format == FORMAT_PEM)
 824                 x=PEM_read_bio_X509_AUX(cert,NULL,
 825                         (pem_password_cb *)password_callback, NULL);
 826         else if (format == FORMAT_PKCS12)
 827                 {
 828                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 829                                         NULL, &x, NULL))
 830                         goto end;
 831                 }
 832         else    {
 833                 BIO_printf(err,"bad input format specified for %s\n",
 834                         cert_descrip);
 835                 goto end;
 836                 }
 837 end:
 838         if (x == NULL)
 839                 {
 840                 BIO_printf(err,"unable to load certificate\n");
 841                 ERR_print_errors(err);
 842                 }
 843         if (ah != NULL) ASN1_HEADER_free(ah);
 844         if (cert != NULL) BIO_free(cert);
 845         if (buf != NULL) BUF_MEM_free(buf);
 846         return(x);
 847         }
 848
 849 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 850         const char *pass, ENGINE *e, const char *key_descrip)
 851         {
 852         BIO *key=NULL;
 853         EVP_PKEY *pkey=NULL;
 854         PW_CB_DATA cb_data;
 855
 856         cb_data.password = pass;
 857         cb_data.prompt_info = file;
 858
 859         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 860                 {
 861                 BIO_printf(err,"no keyfile specified\n");
 862                 goto end;
 863                 }
 864 #ifndef OPENSSL_NO_ENGINE
 865         if (format == FORMAT_ENGINE)
 866                 {
 867                 if (!e)
 868                         BIO_printf(err,"no engine specified\n");
 869                 else
 870                         {
 871                         pkey = ENGINE_load_private_key(e, file,
 872                                 ui_method, &cb_data);
 873                         if (!pkey)
 874                                 {
 875                                 BIO_printf(err,"cannot load %s from engine\n",key_descrip);
 876                                 ERR_print_errors(err);
 877                                 }
 878                         }
 879                 goto end;
 880                 }
 881 #endif
 882         key=BIO_new(BIO_s_file());
 883         if (key == NULL)
 884                 {
 885                 ERR_print_errors(err);
 886                 goto end;
 887                 }
 888         if (file == NULL && maybe_stdin)
 889                 {
 890                 setvbuf(stdin, NULL, _IONBF, 0);
 891                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 892                 }
 893         else
 894                 if (BIO_read_filename(key,file) <= 0)
 895                         {
 896                         BIO_printf(err, "Error opening %s %s\n",
 897                                 key_descrip, file);
 898                         ERR_print_errors(err);
 899                         goto end;
 900                         }
 901         if (format == FORMAT_ASN1)
 902                 {
 903                 pkey=d2i_PrivateKey_bio(key, NULL);
 904                 }
 905         else if (format == FORMAT_PEM)
 906                 {
 907                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 908                         (pem_password_cb *)password_callback, &cb_data);
 909                 }
 910 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 911         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 912                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 913 #endif
 914         else if (format == FORMAT_PKCS12)
 915                 {
 916                 if (!load_pkcs12(err, key, key_descrip,
 917                                 (pem_password_cb *)password_callback, &cb_data,
 918                                 &pkey, NULL, NULL))
 919                         goto end;
 920                 }
 921         else
 922                 {
 923                 BIO_printf(err,"bad input format specified for key file\n");
 924                 goto end;
 925                 }
 926  end:
 927         if (key != NULL) BIO_free(key);
 928         if (pkey == NULL)
 929                 {
 930                 BIO_printf(err,"unable to load %s\n", key_descrip);
 931                 ERR_print_errors(err);
 932                 }
 933         return(pkey);
 934         }
 935
 936 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 937         const char *pass, ENGINE *e, const char *key_descrip)
 938         {
 939         BIO *key=NULL;
 940         EVP_PKEY *pkey=NULL;
 941         PW_CB_DATA cb_data;
 942
 943         cb_data.password = pass;
 944         cb_data.prompt_info = file;
 945
 946         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 947                 {
 948                 BIO_printf(err,"no keyfile specified\n");
 949                 goto end;
 950                 }
 951 #ifndef OPENSSL_NO_ENGINE
 952         if (format == FORMAT_ENGINE)
 953                 {
 954                 if (!e)
 955                         BIO_printf(bio_err,"no engine specified\n");
 956                 else
 957                         pkey = ENGINE_load_public_key(e, file,
 958                                 ui_method, &cb_data);
 959                 goto end;
 960                 }
 961 #endif
 962         key=BIO_new(BIO_s_file());
 963         if (key == NULL)
 964                 {
 965                 ERR_print_errors(err);
 966                 goto end;
 967                 }
 968         if (file == NULL && maybe_stdin)
 969                 {
 970                 setvbuf(stdin, NULL, _IONBF, 0);
 971                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 972                 }
 973         else
 974                 if (BIO_read_filename(key,file) <= 0)
 975                         {
 976                         BIO_printf(err, "Error opening %s %s\n",
 977                                 key_descrip, file);
 978                         ERR_print_errors(err);
 979                         goto end;
 980                 }
 981         if (format == FORMAT_ASN1)
 982                 {
 983                 pkey=d2i_PUBKEY_bio(key, NULL);
 984                 }
 985         else if (format == FORMAT_PEM)
 986                 {
 987                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 988                         (pem_password_cb *)password_callback, &cb_data);
 989                 }
 990 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 991         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 992                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 993 #endif
 994         else
 995                 {
 996                 BIO_printf(err,"bad input format specified for key file\n");
 997                 goto end;
 998                 }
 999  end:
1000         if (key != NULL) BIO_free(key);
1001         if (pkey == NULL)
1002                 BIO_printf(err,"unable to load %s\n", key_descrip);
1003         return(pkey);
1004         }
1005
1006 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1007 static EVP_PKEY *
1008 load_netscape_key(BIO *err, BIO *key, const char *file,
1009                 const char *key_descrip, int format)
1010         {
1011         EVP_PKEY *pkey;
1012         BUF_MEM *buf;
1013         RSA     *rsa;
1014         const unsigned char *p;
1015         int size, i;
1016
1017         buf=BUF_MEM_new();
1018         pkey = EVP_PKEY_new();
1019         size = 0;
1020         if (buf == NULL || pkey == NULL)
1021                 goto error;
1022         for (;;)
1023                 {
1024                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1025                         goto error;
1026                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1027                 size += i;
1028                 if (i == 0)
1029                         break;
1030                 if (i < 0)
1031                         {
1032                                 BIO_printf(err, "Error reading %s %s",
1033                                         key_descrip, file);
1034                                 goto error;
1035                         }
1036                 }
1037         p=(unsigned char *)buf->data;
1038         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1039                 (format == FORMAT_IISSGC ? 1 : 0));
1040         if (rsa == NULL)
1041                 goto error;
1042         BUF_MEM_free(buf);
1043         EVP_PKEY_set1_RSA(pkey, rsa);
1044         return pkey;
1045 error:
1046         BUF_MEM_free(buf);
1047         EVP_PKEY_free(pkey);
1048         return NULL;
1049         }
1050 #endif /* ndef OPENSSL_NO_RC4 */
1051
1052 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1053         const char *pass, ENGINE *e, const char *cert_descrip)
1054         {
1055         BIO *certs;
1056         int i;
1057         STACK_OF(X509) *othercerts = NULL;
1058         STACK_OF(X509_INFO) *allcerts = NULL;
1059         X509_INFO *xi;
1060         PW_CB_DATA cb_data;
1061
1062         cb_data.password = pass;
1063         cb_data.prompt_info = file;
1064
1065         if((certs = BIO_new(BIO_s_file())) == NULL)
1066                 {
1067                 ERR_print_errors(err);
1068                 goto end;
1069                 }
1070
1071         if (file == NULL)
1072                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1073         else
1074                 {
1075                 if (BIO_read_filename(certs,file) <= 0)
1076                         {
1077                         BIO_printf(err, "Error opening %s %s\n",
1078                                 cert_descrip, file);
1079                         ERR_print_errors(err);
1080                         goto end;
1081                         }
1082                 }
1083
1084         if      (format == FORMAT_PEM)
1085                 {
1086                 othercerts = sk_X509_new_null();
1087                 if(!othercerts)
1088                         {
1089                         sk_X509_free(othercerts);
1090                         othercerts = NULL;
1091                         goto end;
1092                         }
1093                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1094                                 (pem_password_cb *)password_callback, &cb_data);
1095                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1096                         {
1097                         xi = sk_X509_INFO_value (allcerts, i);
1098                         if (xi->x509)
1099                                 {
1100                                 sk_X509_push(othercerts, xi->x509);
1101                                 xi->x509 = NULL;
1102                                 }
1103                         }
1104                 goto end;
1105                 }
1106         else    {
1107                 BIO_printf(err,"bad input format specified for %s\n",
1108                         cert_descrip);
1109                 goto end;
1110                 }
1111 end:
1112         if (othercerts == NULL)
1113                 {
1114                 BIO_printf(err,"unable to load certificates\n");
1115                 ERR_print_errors(err);
1116                 }
1117         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1118         if (certs != NULL) BIO_free(certs);
1119         return(othercerts);
1120         }
1121
1122
1123 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1124 /* Return error for unknown extensions */
1125 #define X509V3_EXT_DEFAULT              0
1126 /* Print error for unknown extensions */
1127 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1128 /* ASN1 parse unknown extensions */
1129 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1130 /* BIO_dump unknown extensions */
1131 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1132
1133 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1134                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1135
1136 int set_cert_ex(unsigned long *flags, const char *arg)
1137 {
1138         static const NAME_EX_TBL cert_tbl[] = {
1139                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1140                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1141                 { "no_header", X509_FLAG_NO_HEADER, 0},
1142                 { "no_version", X509_FLAG_NO_VERSION, 0},
1143                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1144                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1145                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1146                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1147                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1148                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1149                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1150                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1151                 { "no_aux", X509_FLAG_NO_AUX, 0},
1152                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1153                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1154                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1155                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1156                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1157                 { NULL, 0, 0}
1158         };
1159         return set_multi_opts(flags, arg, cert_tbl);
1160 }
1161
1162 int set_name_ex(unsigned long *flags, const char *arg)
1163 {
1164         static const NAME_EX_TBL ex_tbl[] = {
1165                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1166                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1167                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1168                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1169                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1170                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1171                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1172                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1173                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1174                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1175                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1176                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1177                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1178                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1179                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1180                 { "dn_rev", XN_FLAG_DN_REV, 0},
1181                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1182                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1183                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1184                 { "align", XN_FLAG_FN_ALIGN, 0},
1185                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1186                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1187                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1188                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1189                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1190                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1191                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1192                 { NULL, 0, 0}
1193         };
1194         return set_multi_opts(flags, arg, ex_tbl);
1195 }
1196
1197 int set_ext_copy(int *copy_type, const char *arg)
1198 {
1199         if (!strcasecmp(arg, "none"))
1200                 *copy_type = EXT_COPY_NONE;
1201         else if (!strcasecmp(arg, "copy"))
1202                 *copy_type = EXT_COPY_ADD;
1203         else if (!strcasecmp(arg, "copyall"))
1204                 *copy_type = EXT_COPY_ALL;
1205         else
1206                 return 0;
1207         return 1;
1208 }
1209
1210 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1211 {
1212         STACK_OF(X509_EXTENSION) *exts = NULL;
1213         X509_EXTENSION *ext, *tmpext;
1214         ASN1_OBJECT *obj;
1215         int i, idx, ret = 0;
1216         if (!x || !req || (copy_type == EXT_COPY_NONE))
1217                 return 1;
1218         exts = X509_REQ_get_extensions(req);
1219
1220         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1221                 ext = sk_X509_EXTENSION_value(exts, i);
1222                 obj = X509_EXTENSION_get_object(ext);
1223                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1224                 /* Does extension exist? */
1225                 if (idx != -1) {
1226                         /* If normal copy don't override existing extension */
1227                         if (copy_type == EXT_COPY_ADD)
1228                                 continue;
1229                         /* Delete all extensions of same type */
1230                         do {
1231                                 tmpext = X509_get_ext(x, idx);
1232                                 X509_delete_ext(x, idx);
1233                                 X509_EXTENSION_free(tmpext);
1234                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1235                         } while (idx != -1);
1236                 }
1237                 if (!X509_add_ext(x, ext, -1))
1238                         goto end;
1239         }
1240
1241         ret = 1;
1242
1243         end:
1244
1245         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1246
1247         return ret;
1248 }
1249
1250
1251
1252
1253 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1254 {
1255         STACK_OF(CONF_VALUE) *vals;
1256         CONF_VALUE *val;
1257         int i, ret = 1;
1258         if(!arg) return 0;
1259         vals = X509V3_parse_list(arg);
1260         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1261                 val = sk_CONF_VALUE_value(vals, i);
1262                 if (!set_table_opts(flags, val->name, in_tbl))
1263                         ret = 0;
1264         }
1265         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1266         return ret;
1267 }
1268
1269 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1270 {
1271         char c;
1272         const NAME_EX_TBL *ptbl;
1273         c = arg[0];
1274
1275         if(c == '-') {
1276                 c = 0;
1277                 arg++;
1278         } else if (c == '+') {
1279                 c = 1;
1280                 arg++;
1281         } else c = 1;
1282
1283         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1284                 if(!strcasecmp(arg, ptbl->name)) {
1285                         *flags &= ~ptbl->mask;
1286                         if(c) *flags |= ptbl->flag;
1287                         else *flags &= ~ptbl->flag;
1288                         return 1;
1289                 }
1290         }
1291         return 0;
1292 }
1293
1294 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1295 {
1296         char *buf;
1297         char mline = 0;
1298         int indent = 0;
1299
1300         if(title) BIO_puts(out, title);
1301         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1302                 mline = 1;
1303                 indent = 4;
1304         }
1305         if(lflags == XN_FLAG_COMPAT) {
1306                 buf = X509_NAME_oneline(nm, 0, 0);
1307                 BIO_puts(out, buf);
1308                 BIO_puts(out, "\n");
1309                 OPENSSL_free(buf);
1310         } else {
1311                 if(mline) BIO_puts(out, "\n");
1312                 X509_NAME_print_ex(out, nm, indent, lflags);
1313                 BIO_puts(out, "\n");
1314         }
1315 }
1316
1317 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1318 {
1319         X509_STORE *store;
1320         X509_LOOKUP *lookup;
1321         if(!(store = X509_STORE_new())) goto end;
1322         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1323         if (lookup == NULL) goto end;
1324         if (CAfile) {
1325                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1326                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1327                         goto end;
1328                 }
1329         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1330
1331         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1332         if (lookup == NULL) goto end;
1333         if (CApath) {
1334                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1335                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1336                         goto end;
1337                 }
1338         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1339
1340         ERR_clear_error();
1341         return store;
1342         end:
1343         X509_STORE_free(store);
1344         return NULL;
1345 }
1346
1347 #ifndef OPENSSL_NO_ENGINE
1348 /* Try to load an engine in a shareable library */
1349 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1350         {
1351         ENGINE *e = ENGINE_by_id("dynamic");
1352         if (e)
1353                 {
1354                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1355                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1356                         {
1357                         ENGINE_free(e);
1358                         e = NULL;
1359                         }
1360                 }
1361         return e;
1362         }
1363
1364 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1365         {
1366         ENGINE *e = NULL;
1367
1368         if (engine)
1369                 {
1370                 if(strcmp(engine, "auto") == 0)
1371                         {
1372                         BIO_printf(err,"enabling auto ENGINE support\n");
1373                         ENGINE_register_all_complete();
1374                         return NULL;
1375                         }
1376                 if((e = ENGINE_by_id(engine)) == NULL
1377                         && (e = try_load_engine(err, engine, debug)) == NULL)
1378                         {
1379                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1380                         ERR_print_errors(err);
1381                         return NULL;
1382                         }
1383                 if (debug)
1384                         {
1385                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1386                                 0, err, 0);
1387                         }
1388                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1389                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1390                         {
1391                         BIO_printf(err,"can't use that engine\n");
1392                         ERR_print_errors(err);
1393                         ENGINE_free(e);
1394                         return NULL;
1395                         }
1396
1397                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1398
1399                 /* Free our "structural" reference. */
1400                 ENGINE_free(e);
1401                 }
1402         return e;
1403         }
1404 #endif
1405
1406 int load_config(BIO *err, CONF *cnf)
1407         {
1408         if (!cnf)
1409                 cnf = config;
1410         if (!cnf)
1411                 return 1;
1412
1413         OPENSSL_load_builtin_modules();
1414
1415         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1416                 {
1417                 BIO_printf(err, "Error configuring OpenSSL\n");
1418                 ERR_print_errors(err);
1419                 return 0;
1420                 }
1421         return 1;
1422         }
1423
1424 char *make_config_name()
1425         {
1426         const char *t=X509_get_default_cert_area();
1427         size_t len;
1428         char *p;
1429
1430         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1431         p=OPENSSL_malloc(len);
1432         BUF_strlcpy(p,t,len);
1433 #ifndef OPENSSL_SYS_VMS
1434         BUF_strlcat(p,"/",len);
1435 #endif
1436         BUF_strlcat(p,OPENSSL_CONF,len);
1437
1438         return p;
1439         }
1440
1441 static unsigned long index_serial_hash(const char **a)
1442         {
1443         const char *n;
1444
1445         n=a[DB_serial];
1446         while (*n == '0') n++;
1447         return(lh_strhash(n));
1448         }
1449
1450 static int index_serial_cmp(const char **a, const char **b)
1451         {
1452         const char *aa,*bb;
1453
1454         for (aa=a[DB_serial]; *aa == '0'; aa++);
1455         for (bb=b[DB_serial]; *bb == '0'; bb++);
1456         return(strcmp(aa,bb));
1457         }
1458
1459 static int index_name_qual(char **a)
1460         { return(a[0][0] == 'V'); }
1461
1462 static unsigned long index_name_hash(const char **a)
1463         { return(lh_strhash(a[DB_name])); }
1464
1465 int index_name_cmp(const char **a, const char **b)
1466         { return(strcmp(a[DB_name],
1467              b[DB_name])); }
1468
1469 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1470 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1471 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1472 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1473
1474 #undef BSIZE
1475 #define BSIZE 256
1476
1477 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1478         {
1479         BIO *in=NULL;
1480         BIGNUM *ret=NULL;
1481         MS_STATIC char buf[1024];
1482         ASN1_INTEGER *ai=NULL;
1483
1484         ai=ASN1_INTEGER_new();
1485         if (ai == NULL) goto err;
1486
1487         if ((in=BIO_new(BIO_s_file())) == NULL)
1488                 {
1489                 ERR_print_errors(bio_err);
1490                 goto err;
1491                 }
1492
1493         if (BIO_read_filename(in,serialfile) <= 0)
1494                 {
1495                 if (!create)
1496                         {
1497                         perror(serialfile);
1498                         goto err;
1499                         }
1500                 else
1501                         {
1502                         ret=BN_new();
1503                         if (ret == NULL || !rand_serial(ret, ai))
1504                                 BIO_printf(bio_err, "Out of memory\n");
1505                         }
1506                 }
1507         else
1508                 {
1509                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1510                         {
1511                         BIO_printf(bio_err,"unable to load number from %s\n",
1512                                 serialfile);
1513                         goto err;
1514                         }
1515                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1516                 if (ret == NULL)
1517                         {
1518                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1519                         goto err;
1520                         }
1521                 }
1522
1523         if (ret && retai)
1524                 {
1525                 *retai = ai;
1526                 ai = NULL;
1527                 }
1528  err:
1529         if (in != NULL) BIO_free(in);
1530         if (ai != NULL) ASN1_INTEGER_free(ai);
1531         return(ret);
1532         }
1533
1534 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1535         {
1536         char buf[1][BSIZE];
1537         BIO *out = NULL;
1538         int ret=0;
1539         ASN1_INTEGER *ai=NULL;
1540         int j;
1541
1542         if (suffix == NULL)
1543                 j = strlen(serialfile);
1544         else
1545                 j = strlen(serialfile) + strlen(suffix) + 1;
1546         if (j >= BSIZE)
1547                 {
1548                 BIO_printf(bio_err,"file name too long\n");
1549                 goto err;
1550                 }
1551
1552         if (suffix == NULL)
1553                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1554         else
1555                 {
1556 #ifndef OPENSSL_SYS_VMS
1557                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1558 #else
1559                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1560 #endif
1561                 }
1562 #ifdef RL_DEBUG
1563         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1564 #endif
1565         out=BIO_new(BIO_s_file());
1566         if (out == NULL)
1567                 {
1568                 ERR_print_errors(bio_err);
1569                 goto err;
1570                 }
1571         if (BIO_write_filename(out,buf[0]) <= 0)
1572                 {
1573                 perror(serialfile);
1574                 goto err;
1575                 }
1576
1577         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1578                 {
1579                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1580                 goto err;
1581                 }
1582         i2a_ASN1_INTEGER(out,ai);
1583         BIO_puts(out,"\n");
1584         ret=1;
1585         if (retai)
1586                 {
1587                 *retai = ai;
1588                 ai = NULL;
1589                 }
1590 err:
1591         if (out != NULL) BIO_free_all(out);
1592         if (ai != NULL) ASN1_INTEGER_free(ai);
1593         return(ret);
1594         }
1595
1596 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1597         {
1598         char buf[5][BSIZE];
1599         int i,j;
1600         struct stat sb;
1601
1602         i = strlen(serialfile) + strlen(old_suffix);
1603         j = strlen(serialfile) + strlen(new_suffix);
1604         if (i > j) j = i;
1605         if (j + 1 >= BSIZE)
1606                 {
1607                 BIO_printf(bio_err,"file name too long\n");
1608                 goto err;
1609                 }
1610
1611 #ifndef OPENSSL_SYS_VMS
1612         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1613                 serialfile, new_suffix);
1614 #else
1615         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1616                 serialfile, new_suffix);
1617 #endif
1618 #ifndef OPENSSL_SYS_VMS
1619         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1620                 serialfile, old_suffix);
1621 #else
1622         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1623                 serialfile, old_suffix);
1624 #endif
1625         if (stat(serialfile,&sb) < 0)
1626                 {
1627                 if (errno != ENOENT
1628 #ifdef ENOTDIR
1629                         && errno != ENOTDIR
1630 #endif
1631                    )
1632                         goto err;
1633                 }
1634         else
1635                 {
1636 #ifdef RL_DEBUG
1637                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1638                         serialfile, buf[1]);
1639 #endif
1640                 if (rename(serialfile,buf[1]) < 0)
1641                         {
1642                         BIO_printf(bio_err,
1643                                 "unable to rename %s to %s\n",
1644                                 serialfile, buf[1]);
1645                         perror("reason");
1646                         goto err;
1647                         }
1648                 }
1649 #ifdef RL_DEBUG
1650         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1651                 buf[0],serialfile);
1652 #endif
1653         if (rename(buf[0],serialfile) < 0)
1654                 {
1655                 BIO_printf(bio_err,
1656                         "unable to rename %s to %s\n",
1657                         buf[0],serialfile);
1658                 perror("reason");
1659                 rename(buf[1],serialfile);
1660                 goto err;
1661                 }
1662         return 1;
1663  err:
1664         return 0;
1665         }
1666
1667 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1668         {
1669         BIGNUM *btmp;
1670         int ret = 0;
1671         if (b)
1672                 btmp = b;
1673         else
1674                 btmp = BN_new();
1675
1676         if (!btmp)
1677                 return 0;
1678
1679         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1680                 goto error;
1681         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1682                 goto error;
1683
1684         ret = 1;
1685
1686         error:
1687
1688         if (!b)
1689                 BN_free(btmp);
1690
1691         return ret;
1692         }
1693
1694 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1695         {
1696         CA_DB *retdb = NULL;
1697         TXT_DB *tmpdb = NULL;
1698         BIO *in = BIO_new(BIO_s_file());
1699         CONF *dbattr_conf = NULL;
1700         char buf[1][BSIZE];
1701         long errorline= -1;
1702
1703         if (in == NULL)
1704                 {
1705                 ERR_print_errors(bio_err);
1706                 goto err;
1707                 }
1708         if (BIO_read_filename(in,dbfile) <= 0)
1709                 {
1710                 perror(dbfile);
1711                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1712                 goto err;
1713                 }
1714         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1715                 {
1716                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1717                 goto err;
1718                 }
1719
1720 #ifndef OPENSSL_SYS_VMS
1721         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1722 #else
1723         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1724 #endif
1725         dbattr_conf = NCONF_new(NULL);
1726         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1727                 {
1728                 if (errorline > 0)
1729                         {
1730                         BIO_printf(bio_err,
1731                                 "error on line %ld of db attribute file '%s'\n"
1732                                 ,errorline,buf[0]);
1733                         goto err;
1734                         }
1735                 else
1736                         {
1737                         NCONF_free(dbattr_conf);
1738                         dbattr_conf = NULL;
1739                         }
1740                 }
1741
1742         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1743                 {
1744                 fprintf(stderr, "Out of memory\n");
1745                 goto err;
1746                 }
1747
1748         retdb->db = tmpdb;
1749         tmpdb = NULL;
1750         if (db_attr)
1751                 retdb->attributes = *db_attr;
1752         else
1753                 {
1754                 retdb->attributes.unique_subject = 1;
1755                 }
1756
1757         if (dbattr_conf)
1758                 {
1759                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1760                 if (p)
1761                         {
1762 #ifdef RL_DEBUG
1763                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1764 #endif
1765                         retdb->attributes.unique_subject = parse_yesno(p,1);
1766                         }
1767                 }
1768
1769  err:
1770         if (dbattr_conf) NCONF_free(dbattr_conf);
1771         if (tmpdb) TXT_DB_free(tmpdb);
1772         if (in) BIO_free_all(in);
1773         return retdb;
1774         }
1775
1776 int index_index(CA_DB *db)
1777         {
1778         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1779                                 LHASH_HASH_FN(index_serial_hash),
1780                                 LHASH_COMP_FN(index_serial_cmp)))
1781                 {
1782                 BIO_printf(bio_err,
1783                   "error creating serial number index:(%ld,%ld,%ld)\n",
1784                                         db->db->error,db->db->arg1,db->db->arg2);
1785                         return 0;
1786                 }
1787
1788         if (db->attributes.unique_subject
1789                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1790                         LHASH_HASH_FN(index_name_hash),
1791                         LHASH_COMP_FN(index_name_cmp)))
1792                 {
1793                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1794                         db->db->error,db->db->arg1,db->db->arg2);
1795                 return 0;
1796                 }
1797         return 1;
1798         }
1799
1800 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1801         {
1802         char buf[3][BSIZE];
1803         BIO *out = BIO_new(BIO_s_file());
1804         int j;
1805
1806         if (out == NULL)
1807                 {
1808                 ERR_print_errors(bio_err);
1809                 goto err;
1810                 }
1811
1812         j = strlen(dbfile) + strlen(suffix);
1813         if (j + 6 >= BSIZE)
1814                 {
1815                 BIO_printf(bio_err,"file name too long\n");
1816                 goto err;
1817                 }
1818
1819 #ifndef OPENSSL_SYS_VMS
1820         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1821 #else
1822         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1823 #endif
1824 #ifndef OPENSSL_SYS_VMS
1825         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1826 #else
1827         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1828 #endif
1829 #ifndef OPENSSL_SYS_VMS
1830         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1831 #else
1832         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1833 #endif
1834 #ifdef RL_DEBUG
1835         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1836 #endif
1837         if (BIO_write_filename(out,buf[0]) <= 0)
1838                 {
1839                 perror(dbfile);
1840                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1841                 goto err;
1842                 }
1843         j=TXT_DB_write(out,db->db);
1844         if (j <= 0) goto err;
1845
1846         BIO_free(out);
1847
1848         out = BIO_new(BIO_s_file());
1849 #ifdef RL_DEBUG
1850         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1851 #endif
1852         if (BIO_write_filename(out,buf[1]) <= 0)
1853                 {
1854                 perror(buf[2]);
1855                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1856                 goto err;
1857                 }
1858         BIO_printf(out,"unique_subject = %s\n",
1859                 db->attributes.unique_subject ? "yes" : "no");
1860         BIO_free(out);
1861
1862         return 1;
1863  err:
1864         return 0;
1865         }
1866
1867 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1868         {
1869         char buf[5][BSIZE];
1870         int i,j;
1871         struct stat sb;
1872
1873         i = strlen(dbfile) + strlen(old_suffix);
1874         j = strlen(dbfile) + strlen(new_suffix);
1875         if (i > j) j = i;
1876         if (j + 6 >= BSIZE)
1877                 {
1878                 BIO_printf(bio_err,"file name too long\n");
1879                 goto err;
1880                 }
1881
1882 #ifndef OPENSSL_SYS_VMS
1883         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1884 #else
1885         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1886 #endif
1887 #ifndef OPENSSL_SYS_VMS
1888         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1889                 dbfile, new_suffix);
1890 #else
1891         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1892                 dbfile, new_suffix);
1893 #endif
1894 #ifndef OPENSSL_SYS_VMS
1895         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1896                 dbfile, new_suffix);
1897 #else
1898         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1899                 dbfile, new_suffix);
1900 #endif
1901 #ifndef OPENSSL_SYS_VMS
1902         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1903                 dbfile, old_suffix);
1904 #else
1905         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1906                 dbfile, old_suffix);
1907 #endif
1908 #ifndef OPENSSL_SYS_VMS
1909         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1910                 dbfile, old_suffix);
1911 #else
1912         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1913                 dbfile, old_suffix);
1914 #endif
1915         if (stat(dbfile,&sb) < 0)
1916                 {
1917                 if (errno != ENOENT
1918 #ifdef ENOTDIR
1919                         && errno != ENOTDIR
1920 #endif
1921                    )
1922                         goto err;
1923                 }
1924         else
1925                 {
1926 #ifdef RL_DEBUG
1927                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1928                         dbfile, buf[1]);
1929 #endif
1930                 if (rename(dbfile,buf[1]) < 0)
1931                         {
1932                         BIO_printf(bio_err,
1933                                 "unable to rename %s to %s\n",
1934                                 dbfile, buf[1]);
1935                         perror("reason");
1936                         goto err;
1937                         }
1938                 }
1939 #ifdef RL_DEBUG
1940         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1941                 buf[0],dbfile);
1942 #endif
1943         if (rename(buf[0],dbfile) < 0)
1944                 {
1945                 BIO_printf(bio_err,
1946                         "unable to rename %s to %s\n",
1947                         buf[0],dbfile);
1948                 perror("reason");
1949                 rename(buf[1],dbfile);
1950                 goto err;
1951                 }
1952         if (stat(buf[4],&sb) < 0)
1953                 {
1954                 if (errno != ENOENT
1955 #ifdef ENOTDIR
1956                         && errno != ENOTDIR
1957 #endif
1958                    )
1959                         goto err;
1960                 }
1961         else
1962                 {
1963 #ifdef RL_DEBUG
1964                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1965                         buf[4],buf[3]);
1966 #endif
1967                 if (rename(buf[4],buf[3]) < 0)
1968                         {
1969                         BIO_printf(bio_err,
1970                                 "unable to rename %s to %s\n",
1971                                 buf[4], buf[3]);
1972                         perror("reason");
1973                         rename(dbfile,buf[0]);
1974                         rename(buf[1],dbfile);
1975                         goto err;
1976                         }
1977                 }
1978 #ifdef RL_DEBUG
1979         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1980                 buf[2],buf[4]);
1981 #endif
1982         if (rename(buf[2],buf[4]) < 0)
1983                 {
1984                 BIO_printf(bio_err,
1985                         "unable to rename %s to %s\n",
1986                         buf[2],buf[4]);
1987                 perror("reason");
1988                 rename(buf[3],buf[4]);
1989                 rename(dbfile,buf[0]);
1990                 rename(buf[1],dbfile);
1991                 goto err;
1992                 }
1993         return 1;
1994  err:
1995         return 0;
1996         }
1997
1998 void free_index(CA_DB *db)
1999         {
2000         if (db)
2001                 {
2002                 if (db->db) TXT_DB_free(db->db);
2003                 OPENSSL_free(db);
2004                 }
2005         }
2006
2007 int parse_yesno(const char *str, int def)
2008         {
2009         int ret = def;
2010         if (str)
2011                 {
2012                 switch (*str)
2013                         {
2014                 case 'f': /* false */
2015                 case 'F': /* FALSE */
2016                 case 'n': /* no */
2017                 case 'N': /* NO */
2018                 case '0': /* 0 */
2019                         ret = 0;
2020                         break;
2021                 case 't': /* true */
2022                 case 'T': /* TRUE */
2023                 case 'y': /* yes */
2024                 case 'Y': /* YES */
2025                 case '1': /* 1 */
2026                         ret = 1;
2027                         break;
2028                 default:
2029                         ret = def;
2030                         break;
2031                         }
2032                 }
2033         return ret;
2034         }
2035
2036 /*
2037  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2038  * where characters may be escaped by \
2039  */
2040 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2041         {
2042         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2043         char *buf = OPENSSL_malloc(buflen);
2044         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2045         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2046         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2047         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2048
2049         char *sp = subject, *bp = buf;
2050         int i, ne_num = 0;
2051
2052         X509_NAME *n = NULL;
2053         int nid;
2054
2055         if (!buf || !ne_types || !ne_values || !mval)
2056                 {
2057                 BIO_printf(bio_err, "malloc error\n");
2058                 goto error;
2059                 }
2060
2061         if (*subject != '/')
2062                 {
2063                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2064                 goto error;
2065                 }
2066         sp++; /* skip leading / */
2067
2068         /* no multivalued RDN by default */
2069         mval[ne_num] = 0;
2070
2071         while (*sp)
2072                 {
2073                 /* collect type */
2074                 ne_types[ne_num] = bp;
2075                 while (*sp)
2076                         {
2077                         if (*sp == '\\') /* is there anything to escape in the type...? */
2078                                 {
2079                                 if (*++sp)
2080                                         *bp++ = *sp++;
2081                                 else
2082                                         {
2083                                         BIO_printf(bio_err, "escape character at end of string\n");
2084                                         goto error;
2085                                         }
2086                                 }
2087                         else if (*sp == '=')
2088                                 {
2089                                 sp++;
2090                                 *bp++ = '\0';
2091                                 break;
2092                                 }
2093                         else
2094                                 *bp++ = *sp++;
2095                         }
2096                 if (!*sp)
2097                         {
2098                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2099                         goto error;
2100                         }
2101                 ne_values[ne_num] = bp;
2102                 while (*sp)
2103                         {
2104                         if (*sp == '\\')
2105                                 {
2106                                 if (*++sp)
2107                                         *bp++ = *sp++;
2108                                 else
2109                                         {
2110                                         BIO_printf(bio_err, "escape character at end of string\n");
2111                                         goto error;
2112                                         }
2113                                 }
2114                         else if (*sp == '/')
2115                                 {
2116                                 sp++;
2117                                 /* no multivalued RDN by default */
2118                                 mval[ne_num+1] = 0;
2119                                 break;
2120                                 }
2121                         else if (*sp == '+' && multirdn)
2122                                 {
2123                                 /* a not escaped + signals a mutlivalued RDN */
2124                                 sp++;
2125                                 mval[ne_num+1] = -1;
2126                                 break;
2127                                 }
2128                         else
2129                                 *bp++ = *sp++;
2130                         }
2131                 *bp++ = '\0';
2132                 ne_num++;
2133                 }
2134
2135         if (!(n = X509_NAME_new()))
2136                 goto error;
2137
2138         for (i = 0; i < ne_num; i++)
2139                 {
2140                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2141                         {
2142                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2143                         continue;
2144                         }
2145
2146                 if (!*ne_values[i])
2147                         {
2148                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2149                         continue;
2150                         }
2151
2152                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2153                         goto error;
2154                 }
2155
2156         OPENSSL_free(ne_values);
2157         OPENSSL_free(ne_types);
2158         OPENSSL_free(buf);
2159         OPENSSL_free(mval);
2160         return n;
2161
2162 error:
2163         X509_NAME_free(n);
2164         if (ne_values)
2165                 OPENSSL_free(ne_values);
2166         if (ne_types)
2167                 OPENSSL_free(ne_types);
2168         if (mval)
2169                 OPENSSL_free(mval);
2170         if (buf)
2171                 OPENSSL_free(buf);
2172         return NULL;
2173 }
2174
2175 /* This code MUST COME AFTER anything that uses rename() */
2176 #ifdef OPENSSL_SYS_WIN32
2177 int WIN32_rename(const char *from, const char *to)
2178         {
2179 #ifndef OPENSSL_SYS_WINCE
2180         /* Windows rename gives an error if 'to' exists, so delete it
2181          * first and ignore file not found errror
2182          */
2183         if((remove(to) != 0) && (errno != ENOENT))
2184                 return -1;
2185 #undef rename
2186         return rename(from, to);
2187 #else
2188         /* convert strings to UNICODE */
2189         {
2190         BOOL result = FALSE;
2191         WCHAR* wfrom;
2192         WCHAR* wto;
2193         int i;
2194         wfrom = malloc((strlen(from)+1)*2);
2195         wto = malloc((strlen(to)+1)*2);
2196         if (wfrom != NULL && wto != NULL)
2197                 {
2198                 for (i=0; i<(int)strlen(from)+1; i++)
2199                         wfrom[i] = (short)from[i];
2200                 for (i=0; i<(int)strlen(to)+1; i++)
2201                         wto[i] = (short)to[i];
2202                 result = MoveFile(wfrom, wto);
2203                 }
2204         if (wfrom != NULL)
2205                 free(wfrom);
2206         if (wto != NULL)
2207                 free(wto);
2208         return result;
2209         }
2210 #endif
2211         }
2212 #endif
2213
2214 int args_verify(char ***pargs, int *pargc,
2215                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2216         {
2217         ASN1_OBJECT *otmp = NULL;
2218         unsigned long flags = 0;
2219         int i;
2220         int purpose = 0;
2221         char **oldargs = *pargs;
2222         char *arg = **pargs, *argn = (*pargs)[1];
2223         if (!strcmp(arg, "-policy"))
2224                 {
2225                 if (!argn)
2226                         *badarg = 1;
2227                 else
2228                         {
2229                         otmp = OBJ_txt2obj(argn, 0);
2230                         if (!otmp)
2231                                 {
2232                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2233                                                                         argn);
2234                                 *badarg = 1;
2235                                 }
2236                         }
2237                 (*pargs)++;
2238                 }
2239         else if (strcmp(arg,"-purpose") == 0)
2240                 {
2241                 X509_PURPOSE *xptmp;
2242                 if (!argn)
2243                         *badarg = 1;
2244                 else
2245                         {
2246                         i = X509_PURPOSE_get_by_sname(argn);
2247                         if(i < 0)
2248                                 {
2249                                 BIO_printf(err, "unrecognized purpose\n");
2250                                 *badarg = 1;
2251                                 }
2252                         else
2253                                 {
2254                                 xptmp = X509_PURPOSE_get0(i);
2255                                 purpose = X509_PURPOSE_get_id(xptmp);
2256                                 }
2257                         }
2258                 (*pargs)++;
2259                 }
2260         else if (!strcmp(arg, "-ignore_critical"))
2261                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2262         else if (!strcmp(arg, "-issuer_checks"))
2263                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2264         else if (!strcmp(arg, "-crl_check"))
2265                 flags |=  X509_V_FLAG_CRL_CHECK;
2266         else if (!strcmp(arg, "-crl_check_all"))
2267                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2268         else if (!strcmp(arg, "-policy_check"))
2269                 flags |= X509_V_FLAG_POLICY_CHECK;
2270         else if (!strcmp(arg, "-explicit_policy"))
2271                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2272         else if (!strcmp(arg, "-x509_strict"))
2273                 flags |= X509_V_FLAG_X509_STRICT;
2274         else if (!strcmp(arg, "-policy_print"))
2275                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2276         else if (!strcmp(arg, "-check_ss_sig"))
2277                 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2278         else
2279                 return 0;
2280
2281         if (*badarg)
2282                 {
2283                 if (*pm)
2284                         X509_VERIFY_PARAM_free(*pm);
2285                 *pm = NULL;
2286                 goto end;
2287                 }
2288
2289         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2290                 {
2291                 *badarg = 1;
2292                 goto end;
2293                 }
2294
2295         if (otmp)
2296                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2297         if (flags)
2298                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2299
2300         if (purpose)
2301                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2302
2303         end:
2304
2305         (*pargs)++;
2306
2307         if (pargc)
2308                 *pargc -= *pargs - oldargs;
2309
2310         return 1;
2311
2312         }
2313
2314 static void nodes_print(BIO *out, const char *name,
2315         STACK_OF(X509_POLICY_NODE) *nodes)
2316         {
2317         X509_POLICY_NODE *node;
2318         int i;
2319         BIO_printf(out, "%s Policies:", name);
2320         if (nodes)
2321                 {
2322                 BIO_puts(out, "\n");
2323                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2324                         {
2325                         node = sk_X509_POLICY_NODE_value(nodes, i);
2326                         X509_POLICY_NODE_print(out, node, 2);
2327                         }
2328                 }
2329         else
2330                 BIO_puts(out, " <empty>\n");
2331         }
2332
2333 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2334         {
2335         X509_POLICY_TREE *tree;
2336         int explicit_policy;
2337         int free_out = 0;
2338         if (out == NULL)
2339                 {
2340                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2341                 free_out = 1;
2342                 }
2343         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2344         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2345
2346         BIO_printf(out, "Require explicit Policy: %s\n",
2347                                 explicit_policy ? "True" : "False");
2348
2349         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2350         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2351         if (free_out)
2352                 BIO_free(out);
2353         }
2354
2355 #ifndef OPENSSL_NO_JPAKE
2356
2357 static JPAKE_CTX *jpake_init(const char *us, const char *them,
2358                                                          const char *secret)
2359         {
2360         BIGNUM *p = NULL;
2361         BIGNUM *g = NULL;
2362         BIGNUM *q = NULL;
2363         BIGNUM *bnsecret = BN_new();
2364         JPAKE_CTX *ctx;
2365
2366         /* Use a safe prime for p (that we found earlier) */
2367         BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2368         g = BN_new();
2369         BN_set_word(g, 2);
2370         q = BN_new();
2371         BN_rshift1(q, p);
2372
2373         BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2374
2375         ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2376         BN_free(bnsecret);
2377         BN_free(q);
2378         BN_free(g);
2379         BN_free(p);
2380
2381         return ctx;
2382         }
2383
2384 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2385         {
2386         BN_print(conn, p->gx);
2387         BIO_puts(conn, "\n");
2388         BN_print(conn, p->zkpx.gr);
2389         BIO_puts(conn, "\n");
2390         BN_print(conn, p->zkpx.b);
2391         BIO_puts(conn, "\n");
2392         }
2393
2394 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2395         {
2396         JPAKE_STEP1 s1;
2397
2398         JPAKE_STEP1_init(&s1);
2399         JPAKE_STEP1_generate(&s1, ctx);
2400         jpake_send_part(bconn, &s1.p1);
2401         jpake_send_part(bconn, &s1.p2);
2402         (void)BIO_flush(bconn);
2403         JPAKE_STEP1_release(&s1);
2404         }
2405
2406 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2407         {
2408         JPAKE_STEP2 s2;
2409
2410         JPAKE_STEP2_init(&s2);
2411         JPAKE_STEP2_generate(&s2, ctx);
2412         jpake_send_part(bconn, &s2);
2413         (void)BIO_flush(bconn);
2414         JPAKE_STEP2_release(&s2);
2415         }
2416
2417 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2418         {
2419         JPAKE_STEP3A s3a;
2420
2421         JPAKE_STEP3A_init(&s3a);
2422         JPAKE_STEP3A_generate(&s3a, ctx);
2423         BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2424         (void)BIO_flush(bconn);
2425         JPAKE_STEP3A_release(&s3a);
2426         }
2427
2428 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2429         {
2430         JPAKE_STEP3B s3b;
2431
2432         JPAKE_STEP3B_init(&s3b);
2433         JPAKE_STEP3B_generate(&s3b, ctx);
2434         BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2435         (void)BIO_flush(bconn);
2436         JPAKE_STEP3B_release(&s3b);
2437         }
2438
2439 static void readbn(BIGNUM **bn, BIO *bconn)
2440         {
2441         char buf[10240];
2442         int l;
2443
2444         l = BIO_gets(bconn, buf, sizeof buf);
2445         assert(l > 0);
2446         assert(buf[l-1] == '\n');
2447         buf[l-1] = '\0';
2448         BN_hex2bn(bn, buf);
2449         }
2450
2451 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2452         {
2453         readbn(&p->gx, bconn);
2454         readbn(&p->zkpx.gr, bconn);
2455         readbn(&p->zkpx.b, bconn);
2456         }
2457
2458 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2459         {
2460         JPAKE_STEP1 s1;
2461
2462         JPAKE_STEP1_init(&s1);
2463         jpake_receive_part(&s1.p1, bconn);
2464         jpake_receive_part(&s1.p2, bconn);
2465         if(!JPAKE_STEP1_process(ctx, &s1))
2466                 {
2467                 ERR_print_errors(bio_err);
2468                 exit(1);
2469                 }
2470         JPAKE_STEP1_release(&s1);
2471         }
2472
2473 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2474         {
2475         JPAKE_STEP2 s2;
2476
2477         JPAKE_STEP2_init(&s2);
2478         jpake_receive_part(&s2, bconn);
2479         if(!JPAKE_STEP2_process(ctx, &s2))
2480                 {
2481                 ERR_print_errors(bio_err);
2482                 exit(1);
2483                 }
2484         JPAKE_STEP2_release(&s2);
2485         }
2486
2487 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2488         {
2489         JPAKE_STEP3A s3a;
2490         int l;
2491
2492         JPAKE_STEP3A_init(&s3a);
2493         l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2494         assert(l == sizeof s3a.hhk);
2495         if(!JPAKE_STEP3A_process(ctx, &s3a))
2496                 {
2497                 ERR_print_errors(bio_err);
2498                 exit(1);
2499                 }
2500         JPAKE_STEP3A_release(&s3a);
2501         }
2502
2503 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2504         {
2505         JPAKE_STEP3B s3b;
2506         int l;
2507
2508         JPAKE_STEP3B_init(&s3b);
2509         l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2510         assert(l == sizeof s3b.hk);
2511         if(!JPAKE_STEP3B_process(ctx, &s3b))
2512                 {
2513                 ERR_print_errors(bio_err);
2514                 exit(1);
2515                 }
2516         JPAKE_STEP3B_release(&s3b);
2517         }
2518
2519 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2520         {
2521         JPAKE_CTX *ctx;
2522         BIO *bconn;
2523
2524         BIO_puts(out, "Authenticating with JPAKE\n");
2525
2526         ctx = jpake_init("client", "server", secret);
2527
2528         bconn = BIO_new(BIO_f_buffer());
2529         BIO_push(bconn, conn);
2530
2531         jpake_send_step1(bconn, ctx);
2532         jpake_receive_step1(ctx, bconn);
2533         jpake_send_step2(bconn, ctx);
2534         jpake_receive_step2(ctx, bconn);
2535         jpake_send_step3a(bconn, ctx);
2536         jpake_receive_step3b(ctx, bconn);
2537
2538         /*
2539          * The problem is that you must use the derived key in the
2540          * session key or you are subject to man-in-the-middle
2541          * attacks.
2542          */
2543         BIO_puts(out, "JPAKE authentication succeeded (N.B. This version can"
2544                  " be MitMed. See the version in HEAD for how to do it"
2545                  " properly)\n");
2546
2547         BIO_pop(bconn);
2548         BIO_free(bconn);
2549         }
2550
2551 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2552         {
2553         JPAKE_CTX *ctx;
2554         BIO *bconn;
2555
2556         BIO_puts(out, "Authenticating with JPAKE\n");
2557
2558         ctx = jpake_init("server", "client", secret);
2559
2560         bconn = BIO_new(BIO_f_buffer());
2561         BIO_push(bconn, conn);
2562
2563         jpake_receive_step1(ctx, bconn);
2564         jpake_send_step1(bconn, ctx);
2565         jpake_receive_step2(ctx, bconn);
2566         jpake_send_step2(bconn, ctx);
2567         jpake_receive_step3a(ctx, bconn);
2568         jpake_send_step3b(bconn, ctx);
2569
2570         /*
2571          * The problem is that you must use the derived key in the
2572          * session key or you are subject to man-in-the-middle
2573          * attacks.
2574          */
2575         BIO_puts(out, "JPAKE authentication succeeded (N.B. This version can"
2576                  " be MitMed. See the version in HEAD for how to do it"
2577                  " properly)\n");
2578
2579         BIO_pop(bconn);
2580         BIO_free(bconn);
2581         }
2582
2583 #endif