apps/apps.c

   1 /* apps/apps.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111
 112 #include <stdio.h>
 113 #include <stdlib.h>
 114 #include <string.h>
 115 #include <sys/types.h>
 116 #include <sys/stat.h>
 117 #include <ctype.h>
 118 #include <openssl/err.h>
 119 #include <openssl/x509.h>
 120 #include <openssl/x509v3.h>
 121 #include <openssl/pem.h>
 122 #include <openssl/pkcs12.h>
 123 #include <openssl/ui.h>
 124 #include <openssl/safestack.h>
 125 #ifndef OPENSSL_NO_ENGINE
 126 #include <openssl/engine.h>
 127 #endif
 128 #include <openssl/rsa.h>
 129 #include <openssl/bn.h>
 130
 131 #define NON_MAIN
 132 #include "apps.h"
 133 #undef NON_MAIN
 134
 135 typedef struct {
 136         char *name;
 137         unsigned long flag;
 138         unsigned long mask;
 139 } NAME_EX_TBL;
 140
 141 static UI_METHOD *ui_method = NULL;
 142
 143 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 144 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
 145
 146 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 147 /* Looks like this stuff is worth moving into separate function */
 148 static EVP_PKEY *
 149 load_netscape_key(BIO *err, BIO *key, const char *file,
 150                 const char *key_descrip, int format);
 151 #endif
 152
 153 int app_init(long mesgwin);
 154 #ifdef undef /* never finished - probably never will be :-) */
 155 int args_from_file(char *file, int *argc, char **argv[])
 156         {
 157         FILE *fp;
 158         int num,i;
 159         unsigned int len;
 160         static char *buf=NULL;
 161         static char **arg=NULL;
 162         char *p;
 163         struct stat stbuf;
 164
 165         if (stat(file,&stbuf) < 0) return(0);
 166
 167         fp=fopen(file,"r");
 168         if (fp == NULL)
 169                 return(0);
 170
 171         *argc=0;
 172         *argv=NULL;
 173
 174         len=(unsigned int)stbuf.st_size;
 175         if (buf != NULL) OPENSSL_free(buf);
 176         buf=(char *)OPENSSL_malloc(len+1);
 177         if (buf == NULL) return(0);
 178
 179         len=fread(buf,1,len,fp);
 180         if (len <= 1) return(0);
 181         buf[len]='\0';
 182
 183         i=0;
 184         for (p=buf; *p; p++)
 185                 if (*p == '\n') i++;
 186         if (arg != NULL) OPENSSL_free(arg);
 187         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 188
 189         *argv=arg;
 190         num=0;
 191         p=buf;
 192         for (;;)
 193                 {
 194                 if (!*p) break;
 195                 if (*p == '#') /* comment line */
 196                         {
 197                         while (*p && (*p != '\n')) p++;
 198                         continue;
 199                         }
 200                 /* else we have a line */
 201                 *(arg++)=p;
 202                 num++;
 203                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
 204                         p++;
 205                 if (!*p) break;
 206                 if (*p == '\n')
 207                         {
 208                         *(p++)='\0';
 209                         continue;
 210                         }
 211                 /* else it is a tab or space */
 212                 p++;
 213                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 214                         p++;
 215                 if (!*p) break;
 216                 if (*p == '\n')
 217                         {
 218                         p++;
 219                         continue;
 220                         }
 221                 *(arg++)=p++;
 222                 num++;
 223                 while (*p && (*p != '\n')) p++;
 224                 if (!*p) break;
 225                 /* else *p == '\n' */
 226                 *(p++)='\0';
 227                 }
 228         *argc=num;
 229         return(1);
 230         }
 231 #endif
 232
 233 int str2fmt(char *s)
 234         {
 235         if      ((*s == 'D') || (*s == 'd'))
 236                 return(FORMAT_ASN1);
 237         else if ((*s == 'T') || (*s == 't'))
 238                 return(FORMAT_TEXT);
 239         else if ((*s == 'P') || (*s == 'p'))
 240                 return(FORMAT_PEM);
 241         else if ((*s == 'N') || (*s == 'n'))
 242                 return(FORMAT_NETSCAPE);
 243         else if ((*s == 'S') || (*s == 's'))
 244                 return(FORMAT_SMIME);
 245         else if ((*s == '1')
 246                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
 247                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
 248                 return(FORMAT_PKCS12);
 249         else if ((*s == 'E') || (*s == 'e'))
 250                 return(FORMAT_ENGINE);
 251         else
 252                 return(FORMAT_UNDEF);
 253         }
 254
 255 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 256 void program_name(char *in, char *out, int size)
 257         {
 258         int i,n;
 259         char *p=NULL;
 260
 261         n=strlen(in);
 262         /* find the last '/', '\' or ':' */
 263         for (i=n-1; i>0; i--)
 264                 {
 265                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
 266                         {
 267                         p= &(in[i+1]);
 268                         break;
 269                         }
 270                 }
 271         if (p == NULL)
 272                 p=in;
 273         n=strlen(p);
 274
 275 #if defined(OPENSSL_SYS_NETWARE)
 276    /* strip off trailing .nlm if present. */
 277    if ((n > 4) && (p[n-4] == '.') &&
 278       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
 279       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
 280       ((p[n-1] == 'm') || (p[n-1] == 'M')))
 281       n-=4;
 282 #else
 283         /* strip off trailing .exe if present. */
 284         if ((n > 4) && (p[n-4] == '.') &&
 285                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
 286                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
 287                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
 288                 n-=4;
 289 #endif
 290
 291         if (n > size-1)
 292                 n=size-1;
 293
 294         for (i=0; i<n; i++)
 295                 {
 296                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
 297                         out[i]=p[i]-'A'+'a';
 298                 else
 299                         out[i]=p[i];
 300                 }
 301         out[n]='\0';
 302         }
 303 #else
 304 #ifdef OPENSSL_SYS_VMS
 305 void program_name(char *in, char *out, int size)
 306         {
 307         char *p=in, *q;
 308         char *chars=":]>";
 309
 310         while(*chars != '\0')
 311                 {
 312                 q=strrchr(p,*chars);
 313                 if (q > p)
 314                         p = q + 1;
 315                 chars++;
 316                 }
 317
 318         q=strrchr(p,'.');
 319         if (q == NULL)
 320                 q = p + strlen(p);
 321         strncpy(out,p,size-1);
 322         if (q-p >= size)
 323                 {
 324                 out[size-1]='\0';
 325                 }
 326         else
 327                 {
 328                 out[q-p]='\0';
 329                 }
 330         }
 331 #else
 332 void program_name(char *in, char *out, int size)
 333         {
 334         char *p;
 335
 336         p=strrchr(in,'/');
 337         if (p != NULL)
 338                 p++;
 339         else
 340                 p=in;
 341         BUF_strlcpy(out,p,size);
 342         }
 343 #endif
 344 #endif
 345
 346 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 347         {
 348         int num,len,i;
 349         char *p;
 350
 351         *argc=0;
 352         *argv=NULL;
 353
 354         len=strlen(buf);
 355         i=0;
 356         if (arg->count == 0)
 357                 {
 358                 arg->count=20;
 359                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
 360                 }
 361         for (i=0; i<arg->count; i++)
 362                 arg->data[i]=NULL;
 363
 364         num=0;
 365         p=buf;
 366         for (;;)
 367                 {
 368                 /* first scan over white space */
 369                 if (!*p) break;
 370                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
 371                         p++;
 372                 if (!*p) break;
 373
 374                 /* The start of something good :-) */
 375                 if (num >= arg->count)
 376                         {
 377                         arg->count+=20;
 378                         arg->data=(char **)OPENSSL_realloc(arg->data,
 379                                 sizeof(char *)*arg->count);
 380                         if (argc == 0) return(0);
 381                         }
 382                 arg->data[num++]=p;
 383
 384                 /* now look for the end of this */
 385                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
 386                         {
 387                         i= *(p++);
 388                         arg->data[num-1]++; /* jump over quote */
 389                         while (*p && (*p != i))
 390                                 p++;
 391                         *p='\0';
 392                         }
 393                 else
 394                         {
 395                         while (*p && ((*p != ' ') &&
 396                                 (*p != '\t') && (*p != '\n')))
 397                                 p++;
 398
 399                         if (*p == '\0')
 400                                 p--;
 401                         else
 402                                 *p='\0';
 403                         }
 404                 p++;
 405                 }
 406         *argc=num;
 407         *argv=arg->data;
 408         return(1);
 409         }
 410
 411 #ifndef APP_INIT
 412 int app_init(long mesgwin)
 413         {
 414         return(1);
 415         }
 416 #endif
 417
 418
 419 int dump_cert_text (BIO *out, X509 *x)
 420 {
 421         char *p;
 422
 423         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
 424         BIO_puts(out,"subject=");
 425         BIO_puts(out,p);
 426         OPENSSL_free(p);
 427
 428         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
 429         BIO_puts(out,"\nissuer=");
 430         BIO_puts(out,p);
 431         BIO_puts(out,"\n");
 432         OPENSSL_free(p);
 433
 434         return 0;
 435 }
 436
 437 static int ui_open(UI *ui)
 438         {
 439         return UI_method_get_opener(UI_OpenSSL())(ui);
 440         }
 441 static int ui_read(UI *ui, UI_STRING *uis)
 442         {
 443         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 444                 && UI_get0_user_data(ui))
 445                 {
 446                 switch(UI_get_string_type(uis))
 447                         {
 448                 case UIT_PROMPT:
 449                 case UIT_VERIFY:
 450                         {
 451                         const char *password =
 452                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 453                         if (password && password[0] != '\0')
 454                                 {
 455                                 UI_set_result(ui, uis, password);
 456                                 return 1;
 457                                 }
 458                         }
 459                 default:
 460                         break;
 461                         }
 462                 }
 463         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
 464         }
 465 static int ui_write(UI *ui, UI_STRING *uis)
 466         {
 467         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 468                 && UI_get0_user_data(ui))
 469                 {
 470                 switch(UI_get_string_type(uis))
 471                         {
 472                 case UIT_PROMPT:
 473                 case UIT_VERIFY:
 474                         {
 475                         const char *password =
 476                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 477                         if (password && password[0] != '\0')
 478                                 return 1;
 479                         }
 480                 default:
 481                         break;
 482                         }
 483                 }
 484         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
 485         }
 486 static int ui_close(UI *ui)
 487         {
 488         return UI_method_get_closer(UI_OpenSSL())(ui);
 489         }
 490 int setup_ui_method(void)
 491         {
 492         ui_method = UI_create_method("OpenSSL application user interface");
 493         UI_method_set_opener(ui_method, ui_open);
 494         UI_method_set_reader(ui_method, ui_read);
 495         UI_method_set_writer(ui_method, ui_write);
 496         UI_method_set_closer(ui_method, ui_close);
 497         return 0;
 498         }
 499 void destroy_ui_method(void)
 500         {
 501         if(ui_method)
 502                 {
 503                 UI_destroy_method(ui_method);
 504                 ui_method = NULL;
 505                 }
 506         }
 507 int password_callback(char *buf, int bufsiz, int verify,
 508         PW_CB_DATA *cb_tmp)
 509         {
 510         UI *ui = NULL;
 511         int res = 0;
 512         const char *prompt_info = NULL;
 513         const char *password = NULL;
 514         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 515
 516         if (cb_data)
 517                 {
 518                 if (cb_data->password)
 519                         password = cb_data->password;
 520                 if (cb_data->prompt_info)
 521                         prompt_info = cb_data->prompt_info;
 522                 }
 523
 524         if (password)
 525                 {
 526                 res = strlen(password);
 527                 if (res > bufsiz)
 528                         res = bufsiz;
 529                 memcpy(buf, password, res);
 530                 return res;
 531                 }
 532
 533         ui = UI_new_method(ui_method);
 534         if (ui)
 535                 {
 536                 int ok = 0;
 537                 char *buff = NULL;
 538                 int ui_flags = 0;
 539                 char *prompt = NULL;
 540
 541                 prompt = UI_construct_prompt(ui, "pass phrase",
 542                         prompt_info);
 543
 544                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 545                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 546
 547                 if (ok >= 0)
 548                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
 549                                 PW_MIN_LENGTH,BUFSIZ-1);
 550                 if (ok >= 0 && verify)
 551                         {
 552                         buff = (char *)OPENSSL_malloc(bufsiz);
 553                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
 554                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
 555                         }
 556                 if (ok >= 0)
 557                         do
 558                                 {
 559                                 ok = UI_process(ui);
 560                                 }
 561                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 562
 563                 if (buff)
 564                         {
 565                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
 566                         OPENSSL_free(buff);
 567                         }
 568
 569                 if (ok >= 0)
 570                         res = strlen(buf);
 571                 if (ok == -1)
 572                         {
 573                         BIO_printf(bio_err, "User interface error\n");
 574                         ERR_print_errors(bio_err);
 575                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 576                         res = 0;
 577                         }
 578                 if (ok == -2)
 579                         {
 580                         BIO_printf(bio_err,"aborted!\n");
 581                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
 582                         res = 0;
 583                         }
 584                 UI_free(ui);
 585                 OPENSSL_free(prompt);
 586                 }
 587         return res;
 588         }
 589
 590 static char *app_get_pass(BIO *err, char *arg, int keepbio);
 591
 592 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
 593 {
 594         int same;
 595         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
 596         else same = 1;
 597         if(arg1) {
 598                 *pass1 = app_get_pass(err, arg1, same);
 599                 if(!*pass1) return 0;
 600         } else if(pass1) *pass1 = NULL;
 601         if(arg2) {
 602                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
 603                 if(!*pass2) return 0;
 604         } else if(pass2) *pass2 = NULL;
 605         return 1;
 606 }
 607
 608 static char *app_get_pass(BIO *err, char *arg, int keepbio)
 609 {
 610         char *tmp, tpass[APP_PASS_LEN];
 611         static BIO *pwdbio = NULL;
 612         int i;
 613         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
 614         if(!strncmp(arg, "env:", 4)) {
 615                 tmp = getenv(arg + 4);
 616                 if(!tmp) {
 617                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
 618                         return NULL;
 619                 }
 620                 return BUF_strdup(tmp);
 621         }
 622         if(!keepbio || !pwdbio) {
 623                 if(!strncmp(arg, "file:", 5)) {
 624                         pwdbio = BIO_new_file(arg + 5, "r");
 625                         if(!pwdbio) {
 626                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
 627                                 return NULL;
 628                         }
 629                 } else if(!strncmp(arg, "fd:", 3)) {
 630                         BIO *btmp;
 631                         i = atoi(arg + 3);
 632                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 633                         if((i < 0) || !pwdbio) {
 634                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
 635                                 return NULL;
 636                         }
 637                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
 638                         btmp = BIO_new(BIO_f_buffer());
 639                         pwdbio = BIO_push(btmp, pwdbio);
 640                 } else if(!strcmp(arg, "stdin")) {
 641                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
 642                         if(!pwdbio) {
 643                                 BIO_printf(err, "Can't open BIO for stdin\n");
 644                                 return NULL;
 645                         }
 646                 } else {
 647                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
 648                         return NULL;
 649                 }
 650         }
 651         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 652         if(keepbio != 1) {
 653                 BIO_free_all(pwdbio);
 654                 pwdbio = NULL;
 655         }
 656         if(i <= 0) {
 657                 BIO_printf(err, "Error reading password from BIO\n");
 658                 return NULL;
 659         }
 660         tmp = strchr(tpass, '\n');
 661         if(tmp) *tmp = 0;
 662         return BUF_strdup(tpass);
 663 }
 664
 665 int add_oid_section(BIO *err, CONF *conf)
 666 {
 667         char *p;
 668         STACK_OF(CONF_VALUE) *sktmp;
 669         CONF_VALUE *cnf;
 670         int i;
 671         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
 672                 {
 673                 ERR_clear_error();
 674                 return 1;
 675                 }
 676         if(!(sktmp = NCONF_get_section(conf, p))) {
 677                 BIO_printf(err, "problem loading oid section %s\n", p);
 678                 return 0;
 679         }
 680         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 681                 cnf = sk_CONF_VALUE_value(sktmp, i);
 682                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 683                         BIO_printf(err, "problem creating object %s=%s\n",
 684                                                          cnf->name, cnf->value);
 685                         return 0;
 686                 }
 687         }
 688         return 1;
 689 }
 690
 691 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
 692                 pem_password_cb *pem_cb,  void *cb_data,
 693                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 694         {
 695         const char *pass;
 696         char tpass[PEM_BUFSIZE];
 697         int len, ret = 0;
 698         PKCS12 *p12;
 699         p12 = d2i_PKCS12_bio(in, NULL);
 700         if (p12 == NULL)
 701                 {
 702                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
 703                 goto die;
 704                 }
 705         /* See if an empty password will do */
 706         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
 707                 pass = "";
 708         else
 709                 {
 710                 if (!pem_cb)
 711                         pem_cb = (pem_password_cb *)password_callback;
 712                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 713                 if (len < 0)
 714                         {
 715                         BIO_printf(err, "Passpharse callback error for %s\n",
 716                                         desc);
 717                         goto die;
 718                         }
 719                 if (len < PEM_BUFSIZE)
 720                         tpass[len] = 0;
 721                 if (!PKCS12_verify_mac(p12, tpass, len))
 722                         {
 723                         BIO_printf(err,
 724         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);
 725                         goto die;
 726                         }
 727                 pass = tpass;
 728                 }
 729         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 730         die:
 731         if (p12)
 732                 PKCS12_free(p12);
 733         return ret;
 734         }
 735
 736 X509 *load_cert(BIO *err, const char *file, int format,
 737         const char *pass, ENGINE *e, const char *cert_descrip)
 738         {
 739         ASN1_HEADER *ah=NULL;
 740         BUF_MEM *buf=NULL;
 741         X509 *x=NULL;
 742         BIO *cert;
 743
 744         if ((cert=BIO_new(BIO_s_file())) == NULL)
 745                 {
 746                 ERR_print_errors(err);
 747                 goto end;
 748                 }
 749
 750         if (file == NULL)
 751                 {
 752                 setvbuf(stdin, NULL, _IONBF, 0);
 753                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 754                 }
 755         else
 756                 {
 757                 if (BIO_read_filename(cert,file) <= 0)
 758                         {
 759                         BIO_printf(err, "Error opening %s %s\n",
 760                                 cert_descrip, file);
 761                         ERR_print_errors(err);
 762                         goto end;
 763                         }
 764                 }
 765
 766         if      (format == FORMAT_ASN1)
 767                 x=d2i_X509_bio(cert,NULL);
 768         else if (format == FORMAT_NETSCAPE)
 769                 {
 770                 const unsigned char *p,*op;
 771                 int size=0,i;
 772
 773                 /* We sort of have to do it this way because it is sort of nice
 774                  * to read the header first and check it, then
 775                  * try to read the certificate */
 776                 buf=BUF_MEM_new();
 777                 for (;;)
 778                         {
 779                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 780                                 goto end;
 781                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 782                         size+=i;
 783                         if (i == 0) break;
 784                         if (i < 0)
 785                                 {
 786                                 perror("reading certificate");
 787                                 goto end;
 788                                 }
 789                         }
 790                 p=(unsigned char *)buf->data;
 791                 op=p;
 792
 793                 /* First load the header */
 794                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 795                         goto end;
 796                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 797                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
 798                         ah->header->length) != 0))
 799                         {
 800                         BIO_printf(err,"Error reading header on certificate\n");
 801                         goto end;
 802                         }
 803                 /* header is ok, so now read the object */
 804                 p=op;
 805                 ah->meth=X509_asn1_meth();
 806                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 807                         goto end;
 808                 x=(X509 *)ah->data;
 809                 ah->data=NULL;
 810                 }
 811         else if (format == FORMAT_PEM)
 812                 x=PEM_read_bio_X509_AUX(cert,NULL,
 813                         (pem_password_cb *)password_callback, NULL);
 814         else if (format == FORMAT_PKCS12)
 815                 {
 816                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
 817                                         NULL, &x, NULL))
 818                         goto end;
 819                 }
 820         else    {
 821                 BIO_printf(err,"bad input format specified for %s\n",
 822                         cert_descrip);
 823                 goto end;
 824                 }
 825 end:
 826         if (x == NULL)
 827                 {
 828                 BIO_printf(err,"unable to load certificate\n");
 829                 ERR_print_errors(err);
 830                 }
 831         if (ah != NULL) ASN1_HEADER_free(ah);
 832         if (cert != NULL) BIO_free(cert);
 833         if (buf != NULL) BUF_MEM_free(buf);
 834         return(x);
 835         }
 836
 837 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 838         const char *pass, ENGINE *e, const char *key_descrip)
 839         {
 840         BIO *key=NULL;
 841         EVP_PKEY *pkey=NULL;
 842         PW_CB_DATA cb_data;
 843
 844         cb_data.password = pass;
 845         cb_data.prompt_info = file;
 846
 847         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 848                 {
 849                 BIO_printf(err,"no keyfile specified\n");
 850                 goto end;
 851                 }
 852 #ifndef OPENSSL_NO_ENGINE
 853         if (format == FORMAT_ENGINE)
 854                 {
 855                 if (!e)
 856                         BIO_printf(bio_err,"no engine specified\n");
 857                 else
 858                         pkey = ENGINE_load_private_key(e, file,
 859                                 ui_method, &cb_data);
 860                 goto end;
 861                 }
 862 #endif
 863         key=BIO_new(BIO_s_file());
 864         if (key == NULL)
 865                 {
 866                 ERR_print_errors(err);
 867                 goto end;
 868                 }
 869         if (file == NULL && maybe_stdin)
 870                 {
 871                 setvbuf(stdin, NULL, _IONBF, 0);
 872                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 873                 }
 874         else
 875                 if (BIO_read_filename(key,file) <= 0)
 876                         {
 877                         BIO_printf(err, "Error opening %s %s\n",
 878                                 key_descrip, file);
 879                         ERR_print_errors(err);
 880                         goto end;
 881                         }
 882         if (format == FORMAT_ASN1)
 883                 {
 884                 pkey=d2i_PrivateKey_bio(key, NULL);
 885                 }
 886         else if (format == FORMAT_PEM)
 887                 {
 888                 pkey=PEM_read_bio_PrivateKey(key,NULL,
 889                         (pem_password_cb *)password_callback, &cb_data);
 890                 }
 891 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 892         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 893                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 894 #endif
 895         else if (format == FORMAT_PKCS12)
 896                 {
 897                 if (!load_pkcs12(err, key, key_descrip,
 898                                 (pem_password_cb *)password_callback, &cb_data,
 899                                 &pkey, NULL, NULL))
 900                         goto end;
 901                 }
 902         else
 903                 {
 904                 BIO_printf(err,"bad input format specified for key file\n");
 905                 goto end;
 906                 }
 907  end:
 908         if (key != NULL) BIO_free(key);
 909         if (pkey == NULL)
 910                 BIO_printf(err,"unable to load %s\n", key_descrip);
 911         return(pkey);
 912         }
 913
 914 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
 915         const char *pass, ENGINE *e, const char *key_descrip)
 916         {
 917         BIO *key=NULL;
 918         EVP_PKEY *pkey=NULL;
 919         PW_CB_DATA cb_data;
 920
 921         cb_data.password = pass;
 922         cb_data.prompt_info = file;
 923
 924         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
 925                 {
 926                 BIO_printf(err,"no keyfile specified\n");
 927                 goto end;
 928                 }
 929 #ifndef OPENSSL_NO_ENGINE
 930         if (format == FORMAT_ENGINE)
 931                 {
 932                 if (!e)
 933                         BIO_printf(bio_err,"no engine specified\n");
 934                 else
 935                         pkey = ENGINE_load_public_key(e, file,
 936                                 ui_method, &cb_data);
 937                 goto end;
 938                 }
 939 #endif
 940         key=BIO_new(BIO_s_file());
 941         if (key == NULL)
 942                 {
 943                 ERR_print_errors(err);
 944                 goto end;
 945                 }
 946         if (file == NULL && maybe_stdin)
 947                 {
 948                 setvbuf(stdin, NULL, _IONBF, 0);
 949                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
 950                 }
 951         else
 952                 if (BIO_read_filename(key,file) <= 0)
 953                         {
 954                         BIO_printf(err, "Error opening %s %s\n",
 955                                 key_descrip, file);
 956                         ERR_print_errors(err);
 957                         goto end;
 958                 }
 959         if (format == FORMAT_ASN1)
 960                 {
 961                 pkey=d2i_PUBKEY_bio(key, NULL);
 962                 }
 963         else if (format == FORMAT_PEM)
 964                 {
 965                 pkey=PEM_read_bio_PUBKEY(key,NULL,
 966                         (pem_password_cb *)password_callback, &cb_data);
 967                 }
 968 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 969         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
 970                 pkey = load_netscape_key(err, key, file, key_descrip, format);
 971 #endif
 972         else
 973                 {
 974                 BIO_printf(err,"bad input format specified for key file\n");
 975                 goto end;
 976                 }
 977  end:
 978         if (key != NULL) BIO_free(key);
 979         if (pkey == NULL)
 980                 BIO_printf(err,"unable to load %s\n", key_descrip);
 981         return(pkey);
 982         }
 983
 984 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
 985 static EVP_PKEY *
 986 load_netscape_key(BIO *err, BIO *key, const char *file,
 987                 const char *key_descrip, int format)
 988         {
 989         EVP_PKEY *pkey;
 990         BUF_MEM *buf;
 991         RSA     *rsa;
 992         const unsigned char *p;
 993         int size, i;
 994
 995         buf=BUF_MEM_new();
 996         pkey = EVP_PKEY_new();
 997         size = 0;
 998         if (buf == NULL || pkey == NULL)
 999                 goto error;
1000         for (;;)
1001                 {
1002                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1003                         goto error;
1004                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1005                 size += i;
1006                 if (i == 0)
1007                         break;
1008                 if (i < 0)
1009                         {
1010                                 BIO_printf(err, "Error reading %s %s",
1011                                         key_descrip, file);
1012                                 goto error;
1013                         }
1014                 }
1015         p=(unsigned char *)buf->data;
1016         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1017                 (format == FORMAT_IISSGC ? 1 : 0));
1018         if (rsa == NULL)
1019                 goto error;
1020         BUF_MEM_free(buf);
1021         EVP_PKEY_set1_RSA(pkey, rsa);
1022         return pkey;
1023 error:
1024         BUF_MEM_free(buf);
1025         EVP_PKEY_free(pkey);
1026         return NULL;
1027         }
1028 #endif /* ndef OPENSSL_NO_RC4 */
1029
1030 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1031         const char *pass, ENGINE *e, const char *cert_descrip)
1032         {
1033         BIO *certs;
1034         int i;
1035         STACK_OF(X509) *othercerts = NULL;
1036         STACK_OF(X509_INFO) *allcerts = NULL;
1037         X509_INFO *xi;
1038         PW_CB_DATA cb_data;
1039
1040         cb_data.password = pass;
1041         cb_data.prompt_info = file;
1042
1043         if((certs = BIO_new(BIO_s_file())) == NULL)
1044                 {
1045                 ERR_print_errors(err);
1046                 goto end;
1047                 }
1048
1049         if (file == NULL)
1050                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1051         else
1052                 {
1053                 if (BIO_read_filename(certs,file) <= 0)
1054                         {
1055                         BIO_printf(err, "Error opening %s %s\n",
1056                                 cert_descrip, file);
1057                         ERR_print_errors(err);
1058                         goto end;
1059                         }
1060                 }
1061
1062         if      (format == FORMAT_PEM)
1063                 {
1064                 othercerts = sk_X509_new_null();
1065                 if(!othercerts)
1066                         {
1067                         sk_X509_free(othercerts);
1068                         othercerts = NULL;
1069                         goto end;
1070                         }
1071                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1072                                 (pem_password_cb *)password_callback, &cb_data);
1073                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1074                         {
1075                         xi = sk_X509_INFO_value (allcerts, i);
1076                         if (xi->x509)
1077                                 {
1078                                 sk_X509_push(othercerts, xi->x509);
1079                                 xi->x509 = NULL;
1080                                 }
1081                         }
1082                 goto end;
1083                 }
1084         else    {
1085                 BIO_printf(err,"bad input format specified for %s\n",
1086                         cert_descrip);
1087                 goto end;
1088                 }
1089 end:
1090         if (othercerts == NULL)
1091                 {
1092                 BIO_printf(err,"unable to load certificates\n");
1093                 ERR_print_errors(err);
1094                 }
1095         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1096         if (certs != NULL) BIO_free(certs);
1097         return(othercerts);
1098         }
1099
1100
1101 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1102 /* Return error for unknown extensions */
1103 #define X509V3_EXT_DEFAULT              0
1104 /* Print error for unknown extensions */
1105 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1106 /* ASN1 parse unknown extensions */
1107 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1108 /* BIO_dump unknown extensions */
1109 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1110
1111 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1112                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1113
1114 int set_cert_ex(unsigned long *flags, const char *arg)
1115 {
1116         static const NAME_EX_TBL cert_tbl[] = {
1117                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1118                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1119                 { "no_header", X509_FLAG_NO_HEADER, 0},
1120                 { "no_version", X509_FLAG_NO_VERSION, 0},
1121                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1122                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1123                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1124                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1125                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1126                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1127                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1128                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1129                 { "no_aux", X509_FLAG_NO_AUX, 0},
1130                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1131                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1132                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1133                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1134                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1135                 { NULL, 0, 0}
1136         };
1137         return set_multi_opts(flags, arg, cert_tbl);
1138 }
1139
1140 int set_name_ex(unsigned long *flags, const char *arg)
1141 {
1142         static const NAME_EX_TBL ex_tbl[] = {
1143                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1144                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1145                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1146                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1147                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1148                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1149                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1150                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1151                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1152                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1153                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1154                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1155                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1156                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1157                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1158                 { "dn_rev", XN_FLAG_DN_REV, 0},
1159                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1160                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1161                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1162                 { "align", XN_FLAG_FN_ALIGN, 0},
1163                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1164                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1165                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1166                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1167                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1168                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1169                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1170                 { NULL, 0, 0}
1171         };
1172         return set_multi_opts(flags, arg, ex_tbl);
1173 }
1174
1175 int set_ext_copy(int *copy_type, const char *arg)
1176 {
1177         if (!strcasecmp(arg, "none"))
1178                 *copy_type = EXT_COPY_NONE;
1179         else if (!strcasecmp(arg, "copy"))
1180                 *copy_type = EXT_COPY_ADD;
1181         else if (!strcasecmp(arg, "copyall"))
1182                 *copy_type = EXT_COPY_ALL;
1183         else
1184                 return 0;
1185         return 1;
1186 }
1187
1188 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1189 {
1190         STACK_OF(X509_EXTENSION) *exts = NULL;
1191         X509_EXTENSION *ext, *tmpext;
1192         ASN1_OBJECT *obj;
1193         int i, idx, ret = 0;
1194         if (!x || !req || (copy_type == EXT_COPY_NONE))
1195                 return 1;
1196         exts = X509_REQ_get_extensions(req);
1197
1198         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1199                 ext = sk_X509_EXTENSION_value(exts, i);
1200                 obj = X509_EXTENSION_get_object(ext);
1201                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1202                 /* Does extension exist? */
1203                 if (idx != -1) {
1204                         /* If normal copy don't override existing extension */
1205                         if (copy_type == EXT_COPY_ADD)
1206                                 continue;
1207                         /* Delete all extensions of same type */
1208                         do {
1209                                 tmpext = X509_get_ext(x, idx);
1210                                 X509_delete_ext(x, idx);
1211                                 X509_EXTENSION_free(tmpext);
1212                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1213                         } while (idx != -1);
1214                 }
1215                 if (!X509_add_ext(x, ext, -1))
1216                         goto end;
1217         }
1218
1219         ret = 1;
1220
1221         end:
1222
1223         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1224
1225         return ret;
1226 }
1227
1228
1229
1230
1231 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1232 {
1233         STACK_OF(CONF_VALUE) *vals;
1234         CONF_VALUE *val;
1235         int i, ret = 1;
1236         if(!arg) return 0;
1237         vals = X509V3_parse_list(arg);
1238         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1239                 val = sk_CONF_VALUE_value(vals, i);
1240                 if (!set_table_opts(flags, val->name, in_tbl))
1241                         ret = 0;
1242         }
1243         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1244         return ret;
1245 }
1246
1247 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1248 {
1249         char c;
1250         const NAME_EX_TBL *ptbl;
1251         c = arg[0];
1252
1253         if(c == '-') {
1254                 c = 0;
1255                 arg++;
1256         } else if (c == '+') {
1257                 c = 1;
1258                 arg++;
1259         } else c = 1;
1260
1261         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1262                 if(!strcasecmp(arg, ptbl->name)) {
1263                         *flags &= ~ptbl->mask;
1264                         if(c) *flags |= ptbl->flag;
1265                         else *flags &= ~ptbl->flag;
1266                         return 1;
1267                 }
1268         }
1269         return 0;
1270 }
1271
1272 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1273 {
1274         char *buf;
1275         char mline = 0;
1276         int indent = 0;
1277
1278         if(title) BIO_puts(out, title);
1279         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1280                 mline = 1;
1281                 indent = 4;
1282         }
1283         if(lflags == XN_FLAG_COMPAT) {
1284                 buf = X509_NAME_oneline(nm, 0, 0);
1285                 BIO_puts(out, buf);
1286                 BIO_puts(out, "\n");
1287                 OPENSSL_free(buf);
1288         } else {
1289                 if(mline) BIO_puts(out, "\n");
1290                 X509_NAME_print_ex(out, nm, indent, lflags);
1291                 BIO_puts(out, "\n");
1292         }
1293 }
1294
1295 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1296 {
1297         X509_STORE *store;
1298         X509_LOOKUP *lookup;
1299         if(!(store = X509_STORE_new())) goto end;
1300         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1301         if (lookup == NULL) goto end;
1302         if (CAfile) {
1303                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1304                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1305                         goto end;
1306                 }
1307         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1308
1309         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1310         if (lookup == NULL) goto end;
1311         if (CApath) {
1312                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1313                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1314                         goto end;
1315                 }
1316         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1317
1318         ERR_clear_error();
1319         return store;
1320         end:
1321         X509_STORE_free(store);
1322         return NULL;
1323 }
1324
1325 #ifndef OPENSSL_NO_ENGINE
1326 /* Try to load an engine in a shareable library */
1327 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1328         {
1329         ENGINE *e = ENGINE_by_id("dynamic");
1330         if (e)
1331                 {
1332                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1333                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1334                         {
1335                         ENGINE_free(e);
1336                         e = NULL;
1337                         }
1338                 }
1339         return e;
1340         }
1341
1342 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1343         {
1344         ENGINE *e = NULL;
1345
1346         if (engine)
1347                 {
1348                 if(strcmp(engine, "auto") == 0)
1349                         {
1350                         BIO_printf(err,"enabling auto ENGINE support\n");
1351                         ENGINE_register_all_complete();
1352                         return NULL;
1353                         }
1354                 if((e = ENGINE_by_id(engine)) == NULL
1355                         && (e = try_load_engine(err, engine, debug)) == NULL)
1356                         {
1357                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1358                         ERR_print_errors(err);
1359                         return NULL;
1360                         }
1361                 if (debug)
1362                         {
1363                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1364                                 0, err, 0);
1365                         }
1366                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1367                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1368                         {
1369                         BIO_printf(err,"can't use that engine\n");
1370                         ERR_print_errors(err);
1371                         ENGINE_free(e);
1372                         return NULL;
1373                         }
1374
1375                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1376
1377                 /* Free our "structural" reference. */
1378                 ENGINE_free(e);
1379                 }
1380         return e;
1381         }
1382 #endif
1383
1384 int load_config(BIO *err, CONF *cnf)
1385         {
1386         if (!cnf)
1387                 cnf = config;
1388         if (!cnf)
1389                 return 1;
1390
1391         OPENSSL_load_builtin_modules();
1392
1393         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1394                 {
1395                 BIO_printf(err, "Error configuring OpenSSL\n");
1396                 ERR_print_errors(err);
1397                 return 0;
1398                 }
1399         return 1;
1400         }
1401
1402 char *make_config_name()
1403         {
1404         const char *t=X509_get_default_cert_area();
1405         size_t len;
1406         char *p;
1407
1408         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1409         p=OPENSSL_malloc(len);
1410         BUF_strlcpy(p,t,len);
1411 #ifndef OPENSSL_SYS_VMS
1412         BUF_strlcat(p,"/",len);
1413 #endif
1414         BUF_strlcat(p,OPENSSL_CONF,len);
1415
1416         return p;
1417         }
1418
1419 static unsigned long index_serial_hash(const char **a)
1420         {
1421         const char *n;
1422
1423         n=a[DB_serial];
1424         while (*n == '0') n++;
1425         return(lh_strhash(n));
1426         }
1427
1428 static int index_serial_cmp(const char **a, const char **b)
1429         {
1430         const char *aa,*bb;
1431
1432         for (aa=a[DB_serial]; *aa == '0'; aa++);
1433         for (bb=b[DB_serial]; *bb == '0'; bb++);
1434         return(strcmp(aa,bb));
1435         }
1436
1437 static int index_name_qual(char **a)
1438         { return(a[0][0] == 'V'); }
1439
1440 static unsigned long index_name_hash(const char **a)
1441         { return(lh_strhash(a[DB_name])); }
1442
1443 int index_name_cmp(const char **a, const char **b)
1444         { return(strcmp(a[DB_name],
1445              b[DB_name])); }
1446
1447 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1448 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1449 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1450 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1451
1452 #undef BSIZE
1453 #define BSIZE 256
1454
1455 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1456         {
1457         BIO *in=NULL;
1458         BIGNUM *ret=NULL;
1459         MS_STATIC char buf[1024];
1460         ASN1_INTEGER *ai=NULL;
1461
1462         ai=ASN1_INTEGER_new();
1463         if (ai == NULL) goto err;
1464
1465         if ((in=BIO_new(BIO_s_file())) == NULL)
1466                 {
1467                 ERR_print_errors(bio_err);
1468                 goto err;
1469                 }
1470
1471         if (BIO_read_filename(in,serialfile) <= 0)
1472                 {
1473                 if (!create)
1474                         {
1475                         perror(serialfile);
1476                         goto err;
1477                         }
1478                 else
1479                         {
1480                         ret=BN_new();
1481                         if (ret == NULL || !rand_serial(ret, ai))
1482                                 BIO_printf(bio_err, "Out of memory\n");
1483                         }
1484                 }
1485         else
1486                 {
1487                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1488                         {
1489                         BIO_printf(bio_err,"unable to load number from %s\n",
1490                                 serialfile);
1491                         goto err;
1492                         }
1493                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1494                 if (ret == NULL)
1495                         {
1496                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1497                         goto err;
1498                         }
1499                 }
1500
1501         if (ret && retai)
1502                 {
1503                 *retai = ai;
1504                 ai = NULL;
1505                 }
1506  err:
1507         if (in != NULL) BIO_free(in);
1508         if (ai != NULL) ASN1_INTEGER_free(ai);
1509         return(ret);
1510         }
1511
1512 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1513         {
1514         char buf[1][BSIZE];
1515         BIO *out = NULL;
1516         int ret=0;
1517         ASN1_INTEGER *ai=NULL;
1518         int j;
1519
1520         if (suffix == NULL)
1521                 j = strlen(serialfile);
1522         else
1523                 j = strlen(serialfile) + strlen(suffix) + 1;
1524         if (j >= BSIZE)
1525                 {
1526                 BIO_printf(bio_err,"file name too long\n");
1527                 goto err;
1528                 }
1529
1530         if (suffix == NULL)
1531                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1532         else
1533                 {
1534 #ifndef OPENSSL_SYS_VMS
1535                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1536 #else
1537                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1538 #endif
1539                 }
1540 #ifdef RL_DEBUG
1541         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1542 #endif
1543         out=BIO_new(BIO_s_file());
1544         if (out == NULL)
1545                 {
1546                 ERR_print_errors(bio_err);
1547                 goto err;
1548                 }
1549         if (BIO_write_filename(out,buf[0]) <= 0)
1550                 {
1551                 perror(serialfile);
1552                 goto err;
1553                 }
1554
1555         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1556                 {
1557                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1558                 goto err;
1559                 }
1560         i2a_ASN1_INTEGER(out,ai);
1561         BIO_puts(out,"\n");
1562         ret=1;
1563         if (retai)
1564                 {
1565                 *retai = ai;
1566                 ai = NULL;
1567                 }
1568 err:
1569         if (out != NULL) BIO_free_all(out);
1570         if (ai != NULL) ASN1_INTEGER_free(ai);
1571         return(ret);
1572         }
1573
1574 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1575         {
1576         char buf[5][BSIZE];
1577         int i,j;
1578         struct stat sb;
1579
1580         i = strlen(serialfile) + strlen(old_suffix);
1581         j = strlen(serialfile) + strlen(new_suffix);
1582         if (i > j) j = i;
1583         if (j + 1 >= BSIZE)
1584                 {
1585                 BIO_printf(bio_err,"file name too long\n");
1586                 goto err;
1587                 }
1588
1589 #ifndef OPENSSL_SYS_VMS
1590         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1591                 serialfile, new_suffix);
1592 #else
1593         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1594                 serialfile, new_suffix);
1595 #endif
1596 #ifndef OPENSSL_SYS_VMS
1597         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1598                 serialfile, old_suffix);
1599 #else
1600         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1601                 serialfile, old_suffix);
1602 #endif
1603         if (stat(serialfile,&sb) < 0)
1604                 {
1605                 if (errno != ENOENT
1606 #ifdef ENOTDIR
1607                         && errno != ENOTDIR)
1608 #endif
1609                         goto err;
1610                 }
1611         else
1612                 {
1613 #ifdef RL_DEBUG
1614                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1615                         serialfile, buf[1]);
1616 #endif
1617                 if (rename(serialfile,buf[1]) < 0)
1618                         {
1619                         BIO_printf(bio_err,
1620                                 "unable to rename %s to %s\n",
1621                                 serialfile, buf[1]);
1622                         perror("reason");
1623                         goto err;
1624                         }
1625                 }
1626 #ifdef RL_DEBUG
1627         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1628                 buf[0],serialfile);
1629 #endif
1630         if (rename(buf[0],serialfile) < 0)
1631                 {
1632                 BIO_printf(bio_err,
1633                         "unable to rename %s to %s\n",
1634                         buf[0],serialfile);
1635                 perror("reason");
1636                 rename(buf[1],serialfile);
1637                 goto err;
1638                 }
1639         return 1;
1640  err:
1641         return 0;
1642         }
1643
1644 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1645         {
1646         BIGNUM *btmp;
1647         int ret = 0;
1648         if (b)
1649                 btmp = b;
1650         else
1651                 btmp = BN_new();
1652
1653         if (!btmp)
1654                 return 0;
1655
1656         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1657                 goto error;
1658         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1659                 goto error;
1660
1661         ret = 1;
1662
1663         error:
1664
1665         if (!b)
1666                 BN_free(btmp);
1667
1668         return ret;
1669         }
1670
1671 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1672         {
1673         CA_DB *retdb = NULL;
1674         TXT_DB *tmpdb = NULL;
1675         BIO *in = BIO_new(BIO_s_file());
1676         CONF *dbattr_conf = NULL;
1677         char buf[1][BSIZE];
1678         long errorline= -1;
1679
1680         if (in == NULL)
1681                 {
1682                 ERR_print_errors(bio_err);
1683                 goto err;
1684                 }
1685         if (BIO_read_filename(in,dbfile) <= 0)
1686                 {
1687                 perror(dbfile);
1688                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1689                 goto err;
1690                 }
1691         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1692                 {
1693                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1694                 goto err;
1695                 }
1696
1697 #ifndef OPENSSL_SYS_VMS
1698         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1699 #else
1700         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1701 #endif
1702         dbattr_conf = NCONF_new(NULL);
1703         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1704                 {
1705                 if (errorline > 0)
1706                         {
1707                         BIO_printf(bio_err,
1708                                 "error on line %ld of db attribute file '%s'\n"
1709                                 ,errorline,buf[0]);
1710                         goto err;
1711                         }
1712                 else
1713                         {
1714                         NCONF_free(dbattr_conf);
1715                         dbattr_conf = NULL;
1716                         }
1717                 }
1718
1719         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1720                 {
1721                 fprintf(stderr, "Out of memory\n");
1722                 goto err;
1723                 }
1724
1725         retdb->db = tmpdb;
1726         tmpdb = NULL;
1727         if (db_attr)
1728                 retdb->attributes = *db_attr;
1729         else
1730                 {
1731                 retdb->attributes.unique_subject = 1;
1732                 }
1733
1734         if (dbattr_conf)
1735                 {
1736                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1737                 if (p)
1738                         {
1739 #ifdef RL_DEBUG
1740                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1741 #endif
1742                         retdb->attributes.unique_subject = parse_yesno(p,1);
1743                         }
1744                 }
1745
1746  err:
1747         if (dbattr_conf) NCONF_free(dbattr_conf);
1748         if (tmpdb) TXT_DB_free(tmpdb);
1749         if (in) BIO_free_all(in);
1750         return retdb;
1751         }
1752
1753 int index_index(CA_DB *db)
1754         {
1755         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1756                                 LHASH_HASH_FN(index_serial_hash),
1757                                 LHASH_COMP_FN(index_serial_cmp)))
1758                 {
1759                 BIO_printf(bio_err,
1760                   "error creating serial number index:(%ld,%ld,%ld)\n",
1761                                         db->db->error,db->db->arg1,db->db->arg2);
1762                         return 0;
1763                 }
1764
1765         if (db->attributes.unique_subject
1766                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1767                         LHASH_HASH_FN(index_name_hash),
1768                         LHASH_COMP_FN(index_name_cmp)))
1769                 {
1770                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1771                         db->db->error,db->db->arg1,db->db->arg2);
1772                 return 0;
1773                 }
1774         return 1;
1775         }
1776
1777 int save_index(char *dbfile, char *suffix, CA_DB *db)
1778         {
1779         char buf[3][BSIZE];
1780         BIO *out = BIO_new(BIO_s_file());
1781         int j;
1782
1783         if (out == NULL)
1784                 {
1785                 ERR_print_errors(bio_err);
1786                 goto err;
1787                 }
1788
1789         j = strlen(dbfile) + strlen(suffix);
1790         if (j + 6 >= BSIZE)
1791                 {
1792                 BIO_printf(bio_err,"file name too long\n");
1793                 goto err;
1794                 }
1795
1796 #ifndef OPENSSL_SYS_VMS
1797         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1798 #else
1799         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1800 #endif
1801 #ifndef OPENSSL_SYS_VMS
1802         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1803 #else
1804         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1805 #endif
1806 #ifndef OPENSSL_SYS_VMS
1807         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1808 #else
1809         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1810 #endif
1811 #ifdef RL_DEBUG
1812         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1813 #endif
1814         if (BIO_write_filename(out,buf[0]) <= 0)
1815                 {
1816                 perror(dbfile);
1817                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1818                 goto err;
1819                 }
1820         j=TXT_DB_write(out,db->db);
1821         if (j <= 0) goto err;
1822
1823         BIO_free(out);
1824
1825         out = BIO_new(BIO_s_file());
1826 #ifdef RL_DEBUG
1827         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1828 #endif
1829         if (BIO_write_filename(out,buf[1]) <= 0)
1830                 {
1831                 perror(buf[2]);
1832                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1833                 goto err;
1834                 }
1835         BIO_printf(out,"unique_subject = %s\n",
1836                 db->attributes.unique_subject ? "yes" : "no");
1837         BIO_free(out);
1838
1839         return 1;
1840  err:
1841         return 0;
1842         }
1843
1844 int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
1845         {
1846         char buf[5][BSIZE];
1847         int i,j;
1848         struct stat sb;
1849
1850         i = strlen(dbfile) + strlen(old_suffix);
1851         j = strlen(dbfile) + strlen(new_suffix);
1852         if (i > j) j = i;
1853         if (j + 6 >= BSIZE)
1854                 {
1855                 BIO_printf(bio_err,"file name too long\n");
1856                 goto err;
1857                 }
1858
1859 #ifndef OPENSSL_SYS_VMS
1860         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1861 #else
1862         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1863 #endif
1864 #ifndef OPENSSL_SYS_VMS
1865         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1866                 dbfile, new_suffix);
1867 #else
1868         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1869                 dbfile, new_suffix);
1870 #endif
1871 #ifndef OPENSSL_SYS_VMS
1872         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1873                 dbfile, new_suffix);
1874 #else
1875         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1876                 dbfile, new_suffix);
1877 #endif
1878 #ifndef OPENSSL_SYS_VMS
1879         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1880                 dbfile, old_suffix);
1881 #else
1882         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1883                 dbfile, old_suffix);
1884 #endif
1885 #ifndef OPENSSL_SYS_VMS
1886         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1887                 dbfile, old_suffix);
1888 #else
1889         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1890                 dbfile, old_suffix);
1891 #endif
1892         if (stat(dbfile,&sb) < 0)
1893                 {
1894                 if (errno != ENOENT
1895 #ifdef ENOTDIR
1896                         && errno != ENOTDIR)
1897 #endif
1898                         goto err;
1899                 }
1900         else
1901                 {
1902 #ifdef RL_DEBUG
1903                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1904                         dbfile, buf[1]);
1905 #endif
1906                 if (rename(dbfile,buf[1]) < 0)
1907                         {
1908                         BIO_printf(bio_err,
1909                                 "unable to rename %s to %s\n",
1910                                 dbfile, buf[1]);
1911                         perror("reason");
1912                         goto err;
1913                         }
1914                 }
1915 #ifdef RL_DEBUG
1916         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1917                 buf[0],dbfile);
1918 #endif
1919         if (rename(buf[0],dbfile) < 0)
1920                 {
1921                 BIO_printf(bio_err,
1922                         "unable to rename %s to %s\n",
1923                         buf[0],dbfile);
1924                 perror("reason");
1925                 rename(buf[1],dbfile);
1926                 goto err;
1927                 }
1928         if (stat(buf[4],&sb) < 0)
1929                 {
1930                 if (errno != ENOENT
1931 #ifdef ENOTDIR
1932                         && errno != ENOTDIR)
1933 #endif
1934                         goto err;
1935                 }
1936         else
1937                 {
1938 #ifdef RL_DEBUG
1939                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1940                         buf[4],buf[3]);
1941 #endif
1942                 if (rename(buf[4],buf[3]) < 0)
1943                         {
1944                         BIO_printf(bio_err,
1945                                 "unable to rename %s to %s\n",
1946                                 buf[4], buf[3]);
1947                         perror("reason");
1948                         rename(dbfile,buf[0]);
1949                         rename(buf[1],dbfile);
1950                         goto err;
1951                         }
1952                 }
1953 #ifdef RL_DEBUG
1954         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1955                 buf[2],buf[4]);
1956 #endif
1957         if (rename(buf[2],buf[4]) < 0)
1958                 {
1959                 BIO_printf(bio_err,
1960                         "unable to rename %s to %s\n",
1961                         buf[2],buf[4]);
1962                 perror("reason");
1963                 rename(buf[3],buf[4]);
1964                 rename(dbfile,buf[0]);
1965                 rename(buf[1],dbfile);
1966                 goto err;
1967                 }
1968         return 1;
1969  err:
1970         return 0;
1971         }
1972
1973 void free_index(CA_DB *db)
1974         {
1975         if (db)
1976                 {
1977                 if (db->db) TXT_DB_free(db->db);
1978                 OPENSSL_free(db);
1979                 }
1980         }
1981
1982 int parse_yesno(char *str, int def)
1983         {
1984         int ret = def;
1985         if (str)
1986                 {
1987                 switch (*str)
1988                         {
1989                 case 'f': /* false */
1990                 case 'F': /* FALSE */
1991                 case 'n': /* no */
1992                 case 'N': /* NO */
1993                 case '0': /* 0 */
1994                         ret = 0;
1995                         break;
1996                 case 't': /* true */
1997                 case 'T': /* TRUE */
1998                 case 'y': /* yes */
1999                 case 'Y': /* YES */
2000                 case '1': /* 1 */
2001                         ret = 0;
2002                         break;
2003                 default:
2004                         ret = def;
2005                         break;
2006                         }
2007                 }
2008         return ret;
2009         }
2010
2011 /*
2012  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2013  * where characters may be escaped by \
2014  */
2015 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2016         {
2017         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2018         char *buf = OPENSSL_malloc(buflen);
2019         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2020         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2021         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2022         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2023
2024         char *sp = subject, *bp = buf;
2025         int i, ne_num = 0;
2026
2027         X509_NAME *n = NULL;
2028         int nid;
2029
2030         if (!buf || !ne_types || !ne_values)
2031                 {
2032                 BIO_printf(bio_err, "malloc error\n");
2033                 goto error;
2034                 }
2035
2036         if (*subject != '/')
2037                 {
2038                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2039                 goto error;
2040                 }
2041         sp++; /* skip leading / */
2042
2043         /* no multivalued RDN by default */
2044         mval[ne_num] = 0;
2045
2046         while (*sp)
2047                 {
2048                 /* collect type */
2049                 ne_types[ne_num] = bp;
2050                 while (*sp)
2051                         {
2052                         if (*sp == '\\') /* is there anything to escape in the type...? */
2053                                 {
2054                                 if (*++sp)
2055                                         *bp++ = *sp++;
2056                                 else
2057                                         {
2058                                         BIO_printf(bio_err, "escape character at end of string\n");
2059                                         goto error;
2060                                         }
2061                                 }
2062                         else if (*sp == '=')
2063                                 {
2064                                 sp++;
2065                                 *bp++ = '\0';
2066                                 break;
2067                                 }
2068                         else
2069                                 *bp++ = *sp++;
2070                         }
2071                 if (!*sp)
2072                         {
2073                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2074                         goto error;
2075                         }
2076                 ne_values[ne_num] = bp;
2077                 while (*sp)
2078                         {
2079                         if (*sp == '\\')
2080                                 {
2081                                 if (*++sp)
2082                                         *bp++ = *sp++;
2083                                 else
2084                                         {
2085                                         BIO_printf(bio_err, "escape character at end of string\n");
2086                                         goto error;
2087                                         }
2088                                 }
2089                         else if (*sp == '/')
2090                                 {
2091                                 sp++;
2092                                 /* no multivalued RDN by default */
2093                                 mval[ne_num+1] = 0;
2094                                 break;
2095                                 }
2096                         else if (*sp == '+' && multirdn)
2097                                 {
2098                                 /* a not escaped + signals a mutlivalued RDN */
2099                                 sp++;
2100                                 mval[ne_num+1] = -1;
2101                                 break;
2102                                 }
2103                         else
2104                                 *bp++ = *sp++;
2105                         }
2106                 *bp++ = '\0';
2107                 ne_num++;
2108                 }
2109
2110         if (!(n = X509_NAME_new()))
2111                 goto error;
2112
2113         for (i = 0; i < ne_num; i++)
2114                 {
2115                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2116                         {
2117                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2118                         continue;
2119                         }
2120
2121                 if (!*ne_values[i])
2122                         {
2123                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2124                         continue;
2125                         }
2126
2127                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2128                         goto error;
2129                 }
2130
2131         OPENSSL_free(ne_values);
2132         OPENSSL_free(ne_types);
2133         OPENSSL_free(buf);
2134         return n;
2135
2136 error:
2137         X509_NAME_free(n);
2138         if (ne_values)
2139                 OPENSSL_free(ne_values);
2140         if (ne_types)
2141                 OPENSSL_free(ne_types);
2142         if (buf)
2143                 OPENSSL_free(buf);
2144         return NULL;
2145 }
2146
2147 /* This code MUST COME AFTER anything that uses rename() */
2148 #ifdef OPENSSL_SYS_WIN32
2149 int WIN32_rename(char *from, char *to)
2150         {
2151 #ifndef OPENSSL_SYS_WINCE
2152         /* Windows rename gives an error if 'to' exists, so delete it
2153          * first and ignore file not found errror
2154          */
2155         if((remove(to) != 0) && (errno != ENOENT))
2156                 return -1;
2157 #undef rename
2158         return rename(from, to);
2159 #else
2160         /* convert strings to UNICODE */
2161         {
2162         BOOL result = FALSE;
2163         WCHAR* wfrom;
2164         WCHAR* wto;
2165         int i;
2166         wfrom = malloc((strlen(from)+1)*2);
2167         wto = malloc((strlen(to)+1)*2);
2168         if (wfrom != NULL && wto != NULL)
2169                 {
2170                 for (i=0; i<(int)strlen(from)+1; i++)
2171                         wfrom[i] = (short)from[i];
2172                 for (i=0; i<(int)strlen(to)+1; i++)
2173                         wto[i] = (short)to[i];
2174                 result = MoveFile(wfrom, wto);
2175                 }
2176         if (wfrom != NULL)
2177                 free(wfrom);
2178         if (wto != NULL)
2179                 free(wto);
2180         return result;
2181         }
2182 #endif
2183         }
2184 #endif
2185
2186 int args_verify(char ***pargs, int *pargc,
2187                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2188         {
2189         ASN1_OBJECT *otmp = NULL;
2190         unsigned long flags = 0;
2191         int i;
2192         int purpose = 0;
2193         char **oldargs = *pargs;
2194         char *arg = **pargs, *argn = (*pargs)[1];
2195         if (!strcmp(arg, "-policy"))
2196                 {
2197                 if (!argn)
2198                         *badarg = 1;
2199                 else
2200                         {
2201                         otmp = OBJ_txt2obj(argn, 0);
2202                         if (!otmp)
2203                                 {
2204                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2205                                                                         argn);
2206                                 *badarg = 1;
2207                                 }
2208                         }
2209                 (*pargs)++;
2210                 }
2211         else if (strcmp(arg,"-purpose") == 0)
2212                 {
2213                 X509_PURPOSE *xptmp;
2214                 if (!argn)
2215                         *badarg = 1;
2216                 else
2217                         {
2218                         i = X509_PURPOSE_get_by_sname(argn);
2219                         if(i < 0)
2220                                 {
2221                                 BIO_printf(err, "unrecognized purpose\n");
2222                                 *badarg = 1;
2223                                 }
2224                         else
2225                                 {
2226                                 xptmp = X509_PURPOSE_get0(i);
2227                                 purpose = X509_PURPOSE_get_id(xptmp);
2228                                 }
2229                         }
2230                 (*pargs)++;
2231                 }
2232         else if (!strcmp(arg, "-ignore_critical"))
2233                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2234         else if (!strcmp(arg, "-issuer_checks"))
2235                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2236         else if (!strcmp(arg, "-crl_check"))
2237                 flags |=  X509_V_FLAG_CRL_CHECK;
2238         else if (!strcmp(arg, "-crl_check_all"))
2239                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2240         else if (!strcmp(arg, "-policy_check"))
2241                 flags |= X509_V_FLAG_POLICY_CHECK;
2242         else if (!strcmp(arg, "-explicit_policy"))
2243                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2244         else if (!strcmp(arg, "-x509_strict"))
2245                 flags |= X509_V_FLAG_X509_STRICT;
2246         else if (!strcmp(arg, "-policy_print"))
2247                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2248         else
2249                 return 0;
2250
2251         if (*badarg)
2252                 {
2253                 if (*pm)
2254                         X509_VERIFY_PARAM_free(*pm);
2255                 *pm = NULL;
2256                 goto end;
2257                 }
2258
2259         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2260                 {
2261                 *badarg = 1;
2262                 goto end;
2263                 }
2264
2265         if (otmp)
2266                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2267         if (flags)
2268                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2269
2270         if (purpose)
2271                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2272
2273         end:
2274
2275         (*pargs)++;
2276
2277         if (pargc)
2278                 *pargc -= *pargs - oldargs;
2279
2280         return 1;
2281
2282         }
2283
2284 static void nodes_print(BIO *out, char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2285         {
2286         X509_POLICY_NODE *node;
2287         int i;
2288         BIO_printf(out, "%s Policies:", name);
2289         if (nodes)
2290                 {
2291                 BIO_puts(out, "\n");
2292                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2293                         {
2294                         node = sk_X509_POLICY_NODE_value(nodes, i);
2295                         X509_POLICY_NODE_print(out, node, 2);
2296                         }
2297                 }
2298         else
2299                 BIO_puts(out, " <empty>\n");
2300         }
2301
2302 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2303         {
2304         X509_POLICY_TREE *tree;
2305         int explicit_policy;
2306         int free_out = 0;
2307         if (out == NULL)
2308                 {
2309                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2310                 free_out = 1;
2311                 }
2312         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2313         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2314
2315         BIO_printf(out, "Require explicit Policy: %s\n",
2316                                 explicit_policy ? "True" : "False");
2317
2318         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2319         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2320         if (free_out)
2321                 BIO_free(out);
2322         }