apps/apps.c

   1 /*
   2  * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
  11 /*
  12  * On VMS, you need to define this to get the declaration of fileno().  The
  13  * value 2 is to make sure no function defined in POSIX-2 is left undefined.
  14  */
  15 # define _POSIX_C_SOURCE 2
  16 #endif
  17
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20 #include <string.h>
  21 #include <sys/types.h>
  22 #ifndef OPENSSL_NO_POSIX_IO
  23 # include <sys/stat.h>
  24 # include <fcntl.h>
  25 #endif
  26 #include <ctype.h>
  27 #include <errno.h>
  28 #include <openssl/err.h>
  29 #include <openssl/x509.h>
  30 #include <openssl/x509v3.h>
  31 #include <openssl/pem.h>
  32 #include <openssl/pkcs12.h>
  33 #include <openssl/ui.h>
  34 #include <openssl/safestack.h>
  35 #ifndef OPENSSL_NO_ENGINE
  36 # include <openssl/engine.h>
  37 #endif
  38 #ifndef OPENSSL_NO_RSA
  39 # include <openssl/rsa.h>
  40 #endif
  41 #include <openssl/bn.h>
  42 #include <openssl/ssl.h>
  43 #include "s_apps.h"
  44 #include "apps.h"
  45
  46 #ifdef _WIN32
  47 static int WIN32_rename(const char *from, const char *to);
  48 # define rename(from,to) WIN32_rename((from),(to))
  49 #endif
  50
  51 typedef struct {
  52     const char *name;
  53     unsigned long flag;
  54     unsigned long mask;
  55 } NAME_EX_TBL;
  56
  57 static UI_METHOD *ui_method = NULL;
  58 static const UI_METHOD *ui_fallback_method = NULL;
  59
  60 static int set_table_opts(unsigned long *flags, const char *arg,
  61                           const NAME_EX_TBL * in_tbl);
  62 static int set_multi_opts(unsigned long *flags, const char *arg,
  63                           const NAME_EX_TBL * in_tbl);
  64
  65 int app_init(long mesgwin);
  66
  67 int chopup_args(ARGS *arg, char *buf)
  68 {
  69     int quoted;
  70     char c = '\0', *p = NULL;
  71
  72     arg->argc = 0;
  73     if (arg->size == 0) {
  74         arg->size = 20;
  75         arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
  76     }
  77
  78     for (p = buf;;) {
  79         /* Skip whitespace. */
  80         while (*p && isspace(_UC(*p)))
  81             p++;
  82         if (!*p)
  83             break;
  84
  85         /* The start of something good :-) */
  86         if (arg->argc >= arg->size) {
  87             char **tmp;
  88             arg->size += 20;
  89             tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
  90             if (tmp == NULL)
  91                 return 0;
  92             arg->argv = tmp;
  93         }
  94         quoted = *p == '\'' || *p == '"';
  95         if (quoted)
  96             c = *p++;
  97         arg->argv[arg->argc++] = p;
  98
  99         /* now look for the end of this */
 100         if (quoted) {
 101             while (*p && *p != c)
 102                 p++;
 103             *p++ = '\0';
 104         } else {
 105             while (*p && !isspace(_UC(*p)))
 106                 p++;
 107             if (*p)
 108                 *p++ = '\0';
 109         }
 110     }
 111     arg->argv[arg->argc] = NULL;
 112     return 1;
 113 }
 114
 115 #ifndef APP_INIT
 116 int app_init(long mesgwin)
 117 {
 118     return 1;
 119 }
 120 #endif
 121
 122 int ctx_set_verify_locations(SSL_CTX *ctx, const char *CAfile,
 123                              const char *CApath, int noCAfile, int noCApath)
 124 {
 125     if (CAfile == NULL && CApath == NULL) {
 126         if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
 127             return 0;
 128         if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
 129             return 0;
 130
 131         return 1;
 132     }
 133     return SSL_CTX_load_verify_locations(ctx, CAfile, CApath);
 134 }
 135
 136 #ifndef OPENSSL_NO_CT
 137
 138 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
 139 {
 140     if (path == NULL)
 141         return SSL_CTX_set_default_ctlog_list_file(ctx);
 142
 143     return SSL_CTX_set_ctlog_list_file(ctx, path);
 144 }
 145
 146 #endif
 147
 148 static unsigned long nmflag = 0;
 149 static char nmflag_set = 0;
 150
 151 int set_nameopt(const char *arg)
 152 {
 153     int ret = set_name_ex(&nmflag, arg);
 154
 155     if (ret)
 156         nmflag_set = 1;
 157
 158     return ret;
 159 }
 160
 161 unsigned long get_nameopt(void)
 162 {
 163     return (nmflag_set) ? nmflag : XN_FLAG_ONELINE;
 164 }
 165
 166 int dump_cert_text(BIO *out, X509 *x)
 167 {
 168     print_name(out, "subject=", X509_get_subject_name(x), get_nameopt());
 169     BIO_puts(out, "\n");
 170     print_name(out, "issuer=", X509_get_issuer_name(x), get_nameopt());
 171     BIO_puts(out, "\n");
 172
 173     return 0;
 174 }
 175
 176 static int ui_open(UI *ui)
 177 {
 178     int (*opener)(UI *ui) = UI_method_get_opener(ui_fallback_method);
 179
 180     if (opener)
 181         return opener(ui);
 182     return 1;
 183 }
 184
 185 static int ui_read(UI *ui, UI_STRING *uis)
 186 {
 187     int (*reader)(UI *ui, UI_STRING *uis) = NULL;
 188
 189     if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 190         && UI_get0_user_data(ui)) {
 191         switch (UI_get_string_type(uis)) {
 192         case UIT_PROMPT:
 193         case UIT_VERIFY:
 194             {
 195                 const char *password =
 196                     ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 197                 if (password && password[0] != '\0') {
 198                     UI_set_result(ui, uis, password);
 199                     return 1;
 200                 }
 201             }
 202             break;
 203         case UIT_NONE:
 204         case UIT_BOOLEAN:
 205         case UIT_INFO:
 206         case UIT_ERROR:
 207             break;
 208         }
 209     }
 210
 211     reader = UI_method_get_reader(ui_fallback_method);
 212     if (reader)
 213         return reader(ui, uis);
 214     return 1;
 215 }
 216
 217 static int ui_write(UI *ui, UI_STRING *uis)
 218 {
 219     int (*writer)(UI *ui, UI_STRING *uis) = NULL;
 220
 221     if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
 222         && UI_get0_user_data(ui)) {
 223         switch (UI_get_string_type(uis)) {
 224         case UIT_PROMPT:
 225         case UIT_VERIFY:
 226             {
 227                 const char *password =
 228                     ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
 229                 if (password && password[0] != '\0')
 230                     return 1;
 231             }
 232             break;
 233         case UIT_NONE:
 234         case UIT_BOOLEAN:
 235         case UIT_INFO:
 236         case UIT_ERROR:
 237             break;
 238         }
 239     }
 240
 241     writer = UI_method_get_writer(ui_fallback_method);
 242     if (writer)
 243         return writer(ui, uis);
 244     return 1;
 245 }
 246
 247 static int ui_close(UI *ui)
 248 {
 249     int (*closer)(UI *ui) = UI_method_get_closer(ui_fallback_method);
 250
 251     if (closer)
 252         return closer(ui);
 253     return 1;
 254 }
 255
 256 int setup_ui_method(void)
 257 {
 258     ui_fallback_method = UI_null();
 259 #ifndef OPENSSL_NO_UI_CONSOLE
 260     ui_fallback_method = UI_OpenSSL();
 261 #endif
 262     ui_method = UI_create_method("OpenSSL application user interface");
 263     UI_method_set_opener(ui_method, ui_open);
 264     UI_method_set_reader(ui_method, ui_read);
 265     UI_method_set_writer(ui_method, ui_write);
 266     UI_method_set_closer(ui_method, ui_close);
 267     return 0;
 268 }
 269
 270 void destroy_ui_method(void)
 271 {
 272     if (ui_method) {
 273         UI_destroy_method(ui_method);
 274         ui_method = NULL;
 275     }
 276 }
 277
 278 const UI_METHOD *get_ui_method(void)
 279 {
 280     return ui_method;
 281 }
 282
 283 int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp)
 284 {
 285     int res = 0;
 286     UI *ui = NULL;
 287     PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
 288
 289     ui = UI_new_method(ui_method);
 290     if (ui) {
 291         int ok = 0;
 292         char *buff = NULL;
 293         int ui_flags = 0;
 294         const char *prompt_info = NULL;
 295         char *prompt;
 296
 297         if (cb_data != NULL && cb_data->prompt_info != NULL)
 298             prompt_info = cb_data->prompt_info;
 299         prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
 300         if (!prompt) {
 301             BIO_printf(bio_err, "Out of memory\n");
 302             UI_free(ui);
 303             return 0;
 304         }
 305
 306         ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
 307         UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
 308
 309         /* We know that there is no previous user data to return to us */
 310         (void)UI_add_user_data(ui, cb_data);
 311
 312         ok = UI_add_input_string(ui, prompt, ui_flags, buf,
 313                                  PW_MIN_LENGTH, bufsiz - 1);
 314
 315         if (ok >= 0 && verify) {
 316             buff = app_malloc(bufsiz, "password buffer");
 317             ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
 318                                       PW_MIN_LENGTH, bufsiz - 1, buf);
 319         }
 320         if (ok >= 0)
 321             do {
 322                 ok = UI_process(ui);
 323             } while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
 324
 325         OPENSSL_clear_free(buff, (unsigned int)bufsiz);
 326
 327         if (ok >= 0)
 328             res = strlen(buf);
 329         if (ok == -1) {
 330             BIO_printf(bio_err, "User interface error\n");
 331             ERR_print_errors(bio_err);
 332             OPENSSL_cleanse(buf, (unsigned int)bufsiz);
 333             res = 0;
 334         }
 335         if (ok == -2) {
 336             BIO_printf(bio_err, "aborted!\n");
 337             OPENSSL_cleanse(buf, (unsigned int)bufsiz);
 338             res = 0;
 339         }
 340         UI_free(ui);
 341         OPENSSL_free(prompt);
 342     }
 343     return res;
 344 }
 345
 346 static char *app_get_pass(const char *arg, int keepbio);
 347
 348 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
 349 {
 350     int same;
 351     if (arg2 == NULL || arg1 == NULL || strcmp(arg1, arg2))
 352         same = 0;
 353     else
 354         same = 1;
 355     if (arg1 != NULL) {
 356         *pass1 = app_get_pass(arg1, same);
 357         if (*pass1 == NULL)
 358             return 0;
 359     } else if (pass1 != NULL) {
 360         *pass1 = NULL;
 361     }
 362     if (arg2 != NULL) {
 363         *pass2 = app_get_pass(arg2, same ? 2 : 0);
 364         if (*pass2 == NULL)
 365             return 0;
 366     } else if (pass2 != NULL) {
 367         *pass2 = NULL;
 368     }
 369     return 1;
 370 }
 371
 372 static char *app_get_pass(const char *arg, int keepbio)
 373 {
 374     char *tmp, tpass[APP_PASS_LEN];
 375     static BIO *pwdbio = NULL;
 376     int i;
 377
 378     if (strncmp(arg, "pass:", 5) == 0)
 379         return OPENSSL_strdup(arg + 5);
 380     if (strncmp(arg, "env:", 4) == 0) {
 381         tmp = getenv(arg + 4);
 382         if (tmp == NULL) {
 383             BIO_printf(bio_err, "Can't read environment variable %s\n", arg + 4);
 384             return NULL;
 385         }
 386         return OPENSSL_strdup(tmp);
 387     }
 388     if (!keepbio || pwdbio == NULL) {
 389         if (strncmp(arg, "file:", 5) == 0) {
 390             pwdbio = BIO_new_file(arg + 5, "r");
 391             if (pwdbio == NULL) {
 392                 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
 393                 return NULL;
 394             }
 395 #if !defined(_WIN32)
 396             /*
 397              * Under _WIN32, which covers even Win64 and CE, file
 398              * descriptors referenced by BIO_s_fd are not inherited
 399              * by child process and therefore below is not an option.
 400              * It could have been an option if bss_fd.c was operating
 401              * on real Windows descriptors, such as those obtained
 402              * with CreateFile.
 403              */
 404         } else if (strncmp(arg, "fd:", 3) == 0) {
 405             BIO *btmp;
 406             i = atoi(arg + 3);
 407             if (i >= 0)
 408                 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
 409             if ((i < 0) || !pwdbio) {
 410                 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
 411                 return NULL;
 412             }
 413             /*
 414              * Can't do BIO_gets on an fd BIO so add a buffering BIO
 415              */
 416             btmp = BIO_new(BIO_f_buffer());
 417             pwdbio = BIO_push(btmp, pwdbio);
 418 #endif
 419         } else if (strcmp(arg, "stdin") == 0) {
 420             pwdbio = dup_bio_in(FORMAT_TEXT);
 421             if (!pwdbio) {
 422                 BIO_printf(bio_err, "Can't open BIO for stdin\n");
 423                 return NULL;
 424             }
 425         } else {
 426             BIO_printf(bio_err, "Invalid password argument \"%s\"\n", arg);
 427             return NULL;
 428         }
 429     }
 430     i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
 431     if (keepbio != 1) {
 432         BIO_free_all(pwdbio);
 433         pwdbio = NULL;
 434     }
 435     if (i <= 0) {
 436         BIO_printf(bio_err, "Error reading password from BIO\n");
 437         return NULL;
 438     }
 439     tmp = strchr(tpass, '\n');
 440     if (tmp != NULL)
 441         *tmp = 0;
 442     return OPENSSL_strdup(tpass);
 443 }
 444
 445 static CONF *app_load_config_(BIO *in, const char *filename)
 446 {
 447     long errorline = -1;
 448     CONF *conf;
 449     int i;
 450
 451     conf = NCONF_new(NULL);
 452     i = NCONF_load_bio(conf, in, &errorline);
 453     if (i > 0)
 454         return conf;
 455
 456     if (errorline <= 0)
 457         BIO_printf(bio_err, "%s: Can't load config file \"%s\"\n",
 458                    opt_getprog(), filename);
 459     else
 460         BIO_printf(bio_err, "%s: Error on line %ld of config file \"%s\"\n",
 461                    opt_getprog(), errorline, filename);
 462     NCONF_free(conf);
 463     return NULL;
 464 }
 465
 466 CONF *app_load_config(const char *filename)
 467 {
 468     BIO *in;
 469     CONF *conf;
 470
 471     in = bio_open_default(filename, 'r', FORMAT_TEXT);
 472     if (in == NULL)
 473         return NULL;
 474
 475     conf = app_load_config_(in, filename);
 476     BIO_free(in);
 477     return conf;
 478 }
 479
 480 CONF *app_load_config_quiet(const char *filename)
 481 {
 482     BIO *in;
 483     CONF *conf;
 484
 485     in = bio_open_default_quiet(filename, 'r', FORMAT_TEXT);
 486     if (in == NULL)
 487         return NULL;
 488
 489     conf = app_load_config_(in, filename);
 490     BIO_free(in);
 491     return conf;
 492 }
 493
 494 int app_load_modules(const CONF *config)
 495 {
 496     CONF *to_free = NULL;
 497
 498     if (config == NULL)
 499         config = to_free = app_load_config_quiet(default_config_file);
 500     if (config == NULL)
 501         return 1;
 502
 503     if (CONF_modules_load(config, NULL, 0) <= 0) {
 504         BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
 505         ERR_print_errors(bio_err);
 506         NCONF_free(to_free);
 507         return 0;
 508     }
 509     NCONF_free(to_free);
 510     return 1;
 511 }
 512
 513 int add_oid_section(CONF *conf)
 514 {
 515     char *p;
 516     STACK_OF(CONF_VALUE) *sktmp;
 517     CONF_VALUE *cnf;
 518     int i;
 519
 520     if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
 521         ERR_clear_error();
 522         return 1;
 523     }
 524     if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
 525         BIO_printf(bio_err, "problem loading oid section %s\n", p);
 526         return 0;
 527     }
 528     for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
 529         cnf = sk_CONF_VALUE_value(sktmp, i);
 530         if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
 531             BIO_printf(bio_err, "problem creating object %s=%s\n",
 532                        cnf->name, cnf->value);
 533             return 0;
 534         }
 535     }
 536     return 1;
 537 }
 538
 539 static int load_pkcs12(BIO *in, const char *desc,
 540                        pem_password_cb *pem_cb, void *cb_data,
 541                        EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
 542 {
 543     const char *pass;
 544     char tpass[PEM_BUFSIZE];
 545     int len, ret = 0;
 546     PKCS12 *p12;
 547     p12 = d2i_PKCS12_bio(in, NULL);
 548     if (p12 == NULL) {
 549         BIO_printf(bio_err, "Error loading PKCS12 file for %s\n", desc);
 550         goto die;
 551     }
 552     /* See if an empty password will do */
 553     if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0)) {
 554         pass = "";
 555     } else {
 556         if (!pem_cb)
 557             pem_cb = (pem_password_cb *)password_callback;
 558         len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
 559         if (len < 0) {
 560             BIO_printf(bio_err, "Passphrase callback error for %s\n", desc);
 561             goto die;
 562         }
 563         if (len < PEM_BUFSIZE)
 564             tpass[len] = 0;
 565         if (!PKCS12_verify_mac(p12, tpass, len)) {
 566             BIO_printf(bio_err,
 567                        "Mac verify error (wrong password?) in PKCS12 file for %s\n",
 568                        desc);
 569             goto die;
 570         }
 571         pass = tpass;
 572     }
 573     ret = PKCS12_parse(p12, pass, pkey, cert, ca);
 574  die:
 575     PKCS12_free(p12);
 576     return ret;
 577 }
 578
 579 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
 580 static int load_cert_crl_http(const char *url, X509 **pcert, X509_CRL **pcrl)
 581 {
 582     char *host = NULL, *port = NULL, *path = NULL;
 583     BIO *bio = NULL;
 584     OCSP_REQ_CTX *rctx = NULL;
 585     int use_ssl, rv = 0;
 586     if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
 587         goto err;
 588     if (use_ssl) {
 589         BIO_puts(bio_err, "https not supported\n");
 590         goto err;
 591     }
 592     bio = BIO_new_connect(host);
 593     if (!bio || !BIO_set_conn_port(bio, port))
 594         goto err;
 595     rctx = OCSP_REQ_CTX_new(bio, 1024);
 596     if (rctx == NULL)
 597         goto err;
 598     if (!OCSP_REQ_CTX_http(rctx, "GET", path))
 599         goto err;
 600     if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
 601         goto err;
 602     if (pcert) {
 603         do {
 604             rv = X509_http_nbio(rctx, pcert);
 605         } while (rv == -1);
 606     } else {
 607         do {
 608             rv = X509_CRL_http_nbio(rctx, pcrl);
 609         } while (rv == -1);
 610     }
 611
 612  err:
 613     OPENSSL_free(host);
 614     OPENSSL_free(path);
 615     OPENSSL_free(port);
 616     BIO_free_all(bio);
 617     OCSP_REQ_CTX_free(rctx);
 618     if (rv != 1) {
 619         BIO_printf(bio_err, "Error loading %s from %s\n",
 620                    pcert ? "certificate" : "CRL", url);
 621         ERR_print_errors(bio_err);
 622     }
 623     return rv;
 624 }
 625 #endif
 626
 627 X509 *load_cert(const char *file, int format, const char *cert_descrip)
 628 {
 629     X509 *x = NULL;
 630     BIO *cert;
 631
 632     if (format == FORMAT_HTTP) {
 633 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
 634         load_cert_crl_http(file, &x, NULL);
 635 #endif
 636         return x;
 637     }
 638
 639     if (file == NULL) {
 640         unbuffer(stdin);
 641         cert = dup_bio_in(format);
 642     } else {
 643         cert = bio_open_default(file, 'r', format);
 644     }
 645     if (cert == NULL)
 646         goto end;
 647
 648     if (format == FORMAT_ASN1) {
 649         x = d2i_X509_bio(cert, NULL);
 650     } else if (format == FORMAT_PEM) {
 651         x = PEM_read_bio_X509_AUX(cert, NULL,
 652                                   (pem_password_cb *)password_callback, NULL);
 653     } else if (format == FORMAT_PKCS12) {
 654         if (!load_pkcs12(cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
 655             goto end;
 656     } else {
 657         BIO_printf(bio_err, "bad input format specified for %s\n", cert_descrip);
 658         goto end;
 659     }
 660  end:
 661     if (x == NULL) {
 662         BIO_printf(bio_err, "unable to load certificate\n");
 663         ERR_print_errors(bio_err);
 664     }
 665     BIO_free(cert);
 666     return x;
 667 }
 668
 669 X509_CRL *load_crl(const char *infile, int format)
 670 {
 671     X509_CRL *x = NULL;
 672     BIO *in = NULL;
 673
 674     if (format == FORMAT_HTTP) {
 675 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
 676         load_cert_crl_http(infile, NULL, &x);
 677 #endif
 678         return x;
 679     }
 680
 681     in = bio_open_default(infile, 'r', format);
 682     if (in == NULL)
 683         goto end;
 684     if (format == FORMAT_ASN1) {
 685         x = d2i_X509_CRL_bio(in, NULL);
 686     } else if (format == FORMAT_PEM) {
 687         x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
 688     } else {
 689         BIO_printf(bio_err, "bad input format specified for input crl\n");
 690         goto end;
 691     }
 692     if (x == NULL) {
 693         BIO_printf(bio_err, "unable to load CRL\n");
 694         ERR_print_errors(bio_err);
 695         goto end;
 696     }
 697
 698  end:
 699     BIO_free(in);
 700     return x;
 701 }
 702
 703 EVP_PKEY *load_key(const char *file, int format, int maybe_stdin,
 704                    const char *pass, ENGINE *e, const char *key_descrip)
 705 {
 706     BIO *key = NULL;
 707     EVP_PKEY *pkey = NULL;
 708     PW_CB_DATA cb_data;
 709
 710     cb_data.password = pass;
 711     cb_data.prompt_info = file;
 712
 713     if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
 714         BIO_printf(bio_err, "no keyfile specified\n");
 715         goto end;
 716     }
 717     if (format == FORMAT_ENGINE) {
 718         if (e == NULL) {
 719             BIO_printf(bio_err, "no engine specified\n");
 720         } else {
 721 #ifndef OPENSSL_NO_ENGINE
 722             if (ENGINE_init(e)) {
 723                 pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data);
 724                 ENGINE_finish(e);
 725             }
 726             if (pkey == NULL) {
 727                 BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
 728                 ERR_print_errors(bio_err);
 729             }
 730 #else
 731             BIO_printf(bio_err, "engines not supported\n");
 732 #endif
 733         }
 734         goto end;
 735     }
 736     if (file == NULL && maybe_stdin) {
 737         unbuffer(stdin);
 738         key = dup_bio_in(format);
 739     } else {
 740         key = bio_open_default(file, 'r', format);
 741     }
 742     if (key == NULL)
 743         goto end;
 744     if (format == FORMAT_ASN1) {
 745         pkey = d2i_PrivateKey_bio(key, NULL);
 746     } else if (format == FORMAT_PEM) {
 747         pkey = PEM_read_bio_PrivateKey(key, NULL,
 748                                        (pem_password_cb *)password_callback,
 749                                        &cb_data);
 750     } else if (format == FORMAT_PKCS12) {
 751         if (!load_pkcs12(key, key_descrip,
 752                          (pem_password_cb *)password_callback, &cb_data,
 753                          &pkey, NULL, NULL))
 754             goto end;
 755 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
 756     } else if (format == FORMAT_MSBLOB) {
 757         pkey = b2i_PrivateKey_bio(key);
 758     } else if (format == FORMAT_PVK) {
 759         pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
 760                            &cb_data);
 761 #endif
 762     } else {
 763         BIO_printf(bio_err, "bad input format specified for key file\n");
 764         goto end;
 765     }
 766  end:
 767     BIO_free(key);
 768     if (pkey == NULL) {
 769         BIO_printf(bio_err, "unable to load %s\n", key_descrip);
 770         ERR_print_errors(bio_err);
 771     }
 772     return pkey;
 773 }
 774
 775 EVP_PKEY *load_pubkey(const char *file, int format, int maybe_stdin,
 776                       const char *pass, ENGINE *e, const char *key_descrip)
 777 {
 778     BIO *key = NULL;
 779     EVP_PKEY *pkey = NULL;
 780     PW_CB_DATA cb_data;
 781
 782     cb_data.password = pass;
 783     cb_data.prompt_info = file;
 784
 785     if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
 786         BIO_printf(bio_err, "no keyfile specified\n");
 787         goto end;
 788     }
 789     if (format == FORMAT_ENGINE) {
 790         if (e == NULL) {
 791             BIO_printf(bio_err, "no engine specified\n");
 792         } else {
 793 #ifndef OPENSSL_NO_ENGINE
 794             pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data);
 795             if (pkey == NULL) {
 796                 BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
 797                 ERR_print_errors(bio_err);
 798             }
 799 #else
 800             BIO_printf(bio_err, "engines not supported\n");
 801 #endif
 802         }
 803         goto end;
 804     }
 805     if (file == NULL && maybe_stdin) {
 806         unbuffer(stdin);
 807         key = dup_bio_in(format);
 808     } else {
 809         key = bio_open_default(file, 'r', format);
 810     }
 811     if (key == NULL)
 812         goto end;
 813     if (format == FORMAT_ASN1) {
 814         pkey = d2i_PUBKEY_bio(key, NULL);
 815     } else if (format == FORMAT_ASN1RSA) {
 816 #ifndef OPENSSL_NO_RSA
 817         RSA *rsa;
 818         rsa = d2i_RSAPublicKey_bio(key, NULL);
 819         if (rsa) {
 820             pkey = EVP_PKEY_new();
 821             if (pkey != NULL)
 822                 EVP_PKEY_set1_RSA(pkey, rsa);
 823             RSA_free(rsa);
 824         } else
 825 #else
 826         BIO_printf(bio_err, "RSA keys not supported\n");
 827 #endif
 828             pkey = NULL;
 829     } else if (format == FORMAT_PEMRSA) {
 830 #ifndef OPENSSL_NO_RSA
 831         RSA *rsa;
 832         rsa = PEM_read_bio_RSAPublicKey(key, NULL,
 833                                         (pem_password_cb *)password_callback,
 834                                         &cb_data);
 835         if (rsa != NULL) {
 836             pkey = EVP_PKEY_new();
 837             if (pkey != NULL)
 838                 EVP_PKEY_set1_RSA(pkey, rsa);
 839             RSA_free(rsa);
 840         } else
 841 #else
 842         BIO_printf(bio_err, "RSA keys not supported\n");
 843 #endif
 844             pkey = NULL;
 845     } else if (format == FORMAT_PEM) {
 846         pkey = PEM_read_bio_PUBKEY(key, NULL,
 847                                    (pem_password_cb *)password_callback,
 848                                    &cb_data);
 849 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
 850     } else if (format == FORMAT_MSBLOB) {
 851         pkey = b2i_PublicKey_bio(key);
 852 #endif
 853     }
 854  end:
 855     BIO_free(key);
 856     if (pkey == NULL)
 857         BIO_printf(bio_err, "unable to load %s\n", key_descrip);
 858     return pkey;
 859 }
 860
 861 static int load_certs_crls(const char *file, int format,
 862                            const char *pass, const char *desc,
 863                            STACK_OF(X509) **pcerts,
 864                            STACK_OF(X509_CRL) **pcrls)
 865 {
 866     int i;
 867     BIO *bio;
 868     STACK_OF(X509_INFO) *xis = NULL;
 869     X509_INFO *xi;
 870     PW_CB_DATA cb_data;
 871     int rv = 0;
 872
 873     cb_data.password = pass;
 874     cb_data.prompt_info = file;
 875
 876     if (format != FORMAT_PEM) {
 877         BIO_printf(bio_err, "bad input format specified for %s\n", desc);
 878         return 0;
 879     }
 880
 881     bio = bio_open_default(file, 'r', FORMAT_PEM);
 882     if (bio == NULL)
 883         return 0;
 884
 885     xis = PEM_X509_INFO_read_bio(bio, NULL,
 886                                  (pem_password_cb *)password_callback,
 887                                  &cb_data);
 888
 889     BIO_free(bio);
 890
 891     if (pcerts != NULL && *pcerts == NULL) {
 892         *pcerts = sk_X509_new_null();
 893         if (*pcerts == NULL)
 894             goto end;
 895     }
 896
 897     if (pcrls != NULL && *pcrls == NULL) {
 898         *pcrls = sk_X509_CRL_new_null();
 899         if (*pcrls == NULL)
 900             goto end;
 901     }
 902
 903     for (i = 0; i < sk_X509_INFO_num(xis); i++) {
 904         xi = sk_X509_INFO_value(xis, i);
 905         if (xi->x509 != NULL && pcerts != NULL) {
 906             if (!sk_X509_push(*pcerts, xi->x509))
 907                 goto end;
 908             xi->x509 = NULL;
 909         }
 910         if (xi->crl != NULL && pcrls != NULL) {
 911             if (!sk_X509_CRL_push(*pcrls, xi->crl))
 912                 goto end;
 913             xi->crl = NULL;
 914         }
 915     }
 916
 917     if (pcerts != NULL && sk_X509_num(*pcerts) > 0)
 918         rv = 1;
 919
 920     if (pcrls != NULL && sk_X509_CRL_num(*pcrls) > 0)
 921         rv = 1;
 922
 923  end:
 924
 925     sk_X509_INFO_pop_free(xis, X509_INFO_free);
 926
 927     if (rv == 0) {
 928         if (pcerts != NULL) {
 929             sk_X509_pop_free(*pcerts, X509_free);
 930             *pcerts = NULL;
 931         }
 932         if (pcrls != NULL) {
 933             sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
 934             *pcrls = NULL;
 935         }
 936         BIO_printf(bio_err, "unable to load %s\n",
 937                    pcerts ? "certificates" : "CRLs");
 938         ERR_print_errors(bio_err);
 939     }
 940     return rv;
 941 }
 942
 943 void* app_malloc(int sz, const char *what)
 944 {
 945     void *vp = OPENSSL_malloc(sz);
 946
 947     if (vp == NULL) {
 948         BIO_printf(bio_err, "%s: Could not allocate %d bytes for %s\n",
 949                 opt_getprog(), sz, what);
 950         ERR_print_errors(bio_err);
 951         exit(1);
 952     }
 953     return vp;
 954 }
 955
 956 /*
 957  * Initialize or extend, if *certs != NULL, a certificate stack.
 958  */
 959 int load_certs(const char *file, STACK_OF(X509) **certs, int format,
 960                const char *pass, const char *desc)
 961 {
 962     return load_certs_crls(file, format, pass, desc, certs, NULL);
 963 }
 964
 965 /*
 966  * Initialize or extend, if *crls != NULL, a certificate stack.
 967  */
 968 int load_crls(const char *file, STACK_OF(X509_CRL) **crls, int format,
 969               const char *pass, const char *desc)
 970 {
 971     return load_certs_crls(file, format, pass, desc, NULL, crls);
 972 }
 973
 974 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
 975 /* Return error for unknown extensions */
 976 #define X509V3_EXT_DEFAULT              0
 977 /* Print error for unknown extensions */
 978 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
 979 /* ASN1 parse unknown extensions */
 980 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
 981 /* BIO_dump unknown extensions */
 982 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
 983
 984 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
 985                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
 986
 987 int set_cert_ex(unsigned long *flags, const char *arg)
 988 {
 989     static const NAME_EX_TBL cert_tbl[] = {
 990         {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
 991         {"ca_default", X509_FLAG_CA, 0xffffffffl},
 992         {"no_header", X509_FLAG_NO_HEADER, 0},
 993         {"no_version", X509_FLAG_NO_VERSION, 0},
 994         {"no_serial", X509_FLAG_NO_SERIAL, 0},
 995         {"no_signame", X509_FLAG_NO_SIGNAME, 0},
 996         {"no_validity", X509_FLAG_NO_VALIDITY, 0},
 997         {"no_subject", X509_FLAG_NO_SUBJECT, 0},
 998         {"no_issuer", X509_FLAG_NO_ISSUER, 0},
 999         {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1000         {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1001         {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1002         {"no_aux", X509_FLAG_NO_AUX, 0},
1003         {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1004         {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1005         {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1006         {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1007         {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1008         {NULL, 0, 0}
1009     };
1010     return set_multi_opts(flags, arg, cert_tbl);
1011 }
1012
1013 int set_name_ex(unsigned long *flags, const char *arg)
1014 {
1015     static const NAME_EX_TBL ex_tbl[] = {
1016         {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1017         {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1018         {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1019         {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1020         {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1021         {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1022         {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1023         {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1024         {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1025         {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1026         {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1027         {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1028         {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1029         {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1030         {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1031         {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1032         {"dn_rev", XN_FLAG_DN_REV, 0},
1033         {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1034         {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1035         {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1036         {"align", XN_FLAG_FN_ALIGN, 0},
1037         {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1038         {"space_eq", XN_FLAG_SPC_EQ, 0},
1039         {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1040         {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1041         {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1042         {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1043         {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1044         {NULL, 0, 0}
1045     };
1046     if (set_multi_opts(flags, arg, ex_tbl) == 0)
1047         return 0;
1048     if ((*flags & XN_FLAG_SEP_MASK) == 0)
1049         *flags |= XN_FLAG_SEP_CPLUS_SPC;
1050     return 1;
1051 }
1052
1053 int set_ext_copy(int *copy_type, const char *arg)
1054 {
1055     if (strcasecmp(arg, "none") == 0)
1056         *copy_type = EXT_COPY_NONE;
1057     else if (strcasecmp(arg, "copy") == 0)
1058         *copy_type = EXT_COPY_ADD;
1059     else if (strcasecmp(arg, "copyall") == 0)
1060         *copy_type = EXT_COPY_ALL;
1061     else
1062         return 0;
1063     return 1;
1064 }
1065
1066 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1067 {
1068     STACK_OF(X509_EXTENSION) *exts = NULL;
1069     X509_EXTENSION *ext, *tmpext;
1070     ASN1_OBJECT *obj;
1071     int i, idx, ret = 0;
1072     if (!x || !req || (copy_type == EXT_COPY_NONE))
1073         return 1;
1074     exts = X509_REQ_get_extensions(req);
1075
1076     for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1077         ext = sk_X509_EXTENSION_value(exts, i);
1078         obj = X509_EXTENSION_get_object(ext);
1079         idx = X509_get_ext_by_OBJ(x, obj, -1);
1080         /* Does extension exist? */
1081         if (idx != -1) {
1082             /* If normal copy don't override existing extension */
1083             if (copy_type == EXT_COPY_ADD)
1084                 continue;
1085             /* Delete all extensions of same type */
1086             do {
1087                 tmpext = X509_get_ext(x, idx);
1088                 X509_delete_ext(x, idx);
1089                 X509_EXTENSION_free(tmpext);
1090                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1091             } while (idx != -1);
1092         }
1093         if (!X509_add_ext(x, ext, -1))
1094             goto end;
1095     }
1096
1097     ret = 1;
1098
1099  end:
1100
1101     sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1102
1103     return ret;
1104 }
1105
1106 static int set_multi_opts(unsigned long *flags, const char *arg,
1107                           const NAME_EX_TBL * in_tbl)
1108 {
1109     STACK_OF(CONF_VALUE) *vals;
1110     CONF_VALUE *val;
1111     int i, ret = 1;
1112     if (!arg)
1113         return 0;
1114     vals = X509V3_parse_list(arg);
1115     for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1116         val = sk_CONF_VALUE_value(vals, i);
1117         if (!set_table_opts(flags, val->name, in_tbl))
1118             ret = 0;
1119     }
1120     sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1121     return ret;
1122 }
1123
1124 static int set_table_opts(unsigned long *flags, const char *arg,
1125                           const NAME_EX_TBL * in_tbl)
1126 {
1127     char c;
1128     const NAME_EX_TBL *ptbl;
1129     c = arg[0];
1130
1131     if (c == '-') {
1132         c = 0;
1133         arg++;
1134     } else if (c == '+') {
1135         c = 1;
1136         arg++;
1137     } else {
1138         c = 1;
1139     }
1140
1141     for (ptbl = in_tbl; ptbl->name; ptbl++) {
1142         if (strcasecmp(arg, ptbl->name) == 0) {
1143             *flags &= ~ptbl->mask;
1144             if (c)
1145                 *flags |= ptbl->flag;
1146             else
1147                 *flags &= ~ptbl->flag;
1148             return 1;
1149         }
1150     }
1151     return 0;
1152 }
1153
1154 void print_name(BIO *out, const char *title, X509_NAME *nm,
1155                 unsigned long lflags)
1156 {
1157     char *buf;
1158     char mline = 0;
1159     int indent = 0;
1160
1161     if (title)
1162         BIO_puts(out, title);
1163     if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1164         mline = 1;
1165         indent = 4;
1166     }
1167     if (lflags == XN_FLAG_COMPAT) {
1168         buf = X509_NAME_oneline(nm, 0, 0);
1169         BIO_puts(out, buf);
1170         BIO_puts(out, "\n");
1171         OPENSSL_free(buf);
1172     } else {
1173         if (mline)
1174             BIO_puts(out, "\n");
1175         X509_NAME_print_ex(out, nm, indent, lflags);
1176         BIO_puts(out, "\n");
1177     }
1178 }
1179
1180 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1181                       int len, unsigned char *buffer)
1182 {
1183     BIO_printf(out, "    static unsigned char %s_%d[] = {", var, len);
1184     if (BN_is_zero(in)) {
1185         BIO_printf(out, "\n\t0x00");
1186     } else {
1187         int i, l;
1188
1189         l = BN_bn2bin(in, buffer);
1190         for (i = 0; i < l; i++) {
1191             if ((i % 10) == 0)
1192                 BIO_printf(out, "\n\t");
1193             if (i < l - 1)
1194                 BIO_printf(out, "0x%02X, ", buffer[i]);
1195             else
1196                 BIO_printf(out, "0x%02X", buffer[i]);
1197         }
1198     }
1199     BIO_printf(out, "\n    };\n");
1200 }
1201
1202 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1203 {
1204     int i;
1205
1206     BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1207     for (i = 0; i < len; i++) {
1208         if ((i % 10) == 0)
1209             BIO_printf(out, "\n    ");
1210         if (i < len - 1)
1211             BIO_printf(out, "0x%02X, ", d[i]);
1212         else
1213             BIO_printf(out, "0x%02X", d[i]);
1214     }
1215     BIO_printf(out, "\n};\n");
1216 }
1217
1218 X509_STORE *setup_verify(const char *CAfile, const char *CApath, int noCAfile, int noCApath)
1219 {
1220     X509_STORE *store = X509_STORE_new();
1221     X509_LOOKUP *lookup;
1222
1223     if (store == NULL)
1224         goto end;
1225
1226     if (CAfile != NULL || !noCAfile) {
1227         lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1228         if (lookup == NULL)
1229             goto end;
1230         if (CAfile) {
1231             if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1232                 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1233                 goto end;
1234             }
1235         } else {
1236             X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1237         }
1238     }
1239
1240     if (CApath != NULL || !noCApath) {
1241         lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1242         if (lookup == NULL)
1243             goto end;
1244         if (CApath) {
1245             if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1246                 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1247                 goto end;
1248             }
1249         } else {
1250             X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1251         }
1252     }
1253
1254     ERR_clear_error();
1255     return store;
1256  end:
1257     X509_STORE_free(store);
1258     return NULL;
1259 }
1260
1261 #ifndef OPENSSL_NO_ENGINE
1262 /* Try to load an engine in a shareable library */
1263 static ENGINE *try_load_engine(const char *engine)
1264 {
1265     ENGINE *e = ENGINE_by_id("dynamic");
1266     if (e) {
1267         if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1268             || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1269             ENGINE_free(e);
1270             e = NULL;
1271         }
1272     }
1273     return e;
1274 }
1275 #endif
1276
1277 ENGINE *setup_engine(const char *engine, int debug)
1278 {
1279     ENGINE *e = NULL;
1280
1281 #ifndef OPENSSL_NO_ENGINE
1282     if (engine != NULL) {
1283         if (strcmp(engine, "auto") == 0) {
1284             BIO_printf(bio_err, "enabling auto ENGINE support\n");
1285             ENGINE_register_all_complete();
1286             return NULL;
1287         }
1288         if ((e = ENGINE_by_id(engine)) == NULL
1289             && (e = try_load_engine(engine)) == NULL) {
1290             BIO_printf(bio_err, "invalid engine \"%s\"\n", engine);
1291             ERR_print_errors(bio_err);
1292             return NULL;
1293         }
1294         if (debug) {
1295             ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, bio_err, 0);
1296         }
1297         ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1298         if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1299             BIO_printf(bio_err, "can't use that engine\n");
1300             ERR_print_errors(bio_err);
1301             ENGINE_free(e);
1302             return NULL;
1303         }
1304
1305         BIO_printf(bio_err, "engine \"%s\" set.\n", ENGINE_get_id(e));
1306     }
1307 #endif
1308     return e;
1309 }
1310
1311 void release_engine(ENGINE *e)
1312 {
1313 #ifndef OPENSSL_NO_ENGINE
1314     if (e != NULL)
1315         /* Free our "structural" reference. */
1316         ENGINE_free(e);
1317 #endif
1318 }
1319
1320 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1321 {
1322     const char *n;
1323
1324     n = a[DB_serial];
1325     while (*n == '0')
1326         n++;
1327     return OPENSSL_LH_strhash(n);
1328 }
1329
1330 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1331                             const OPENSSL_CSTRING *b)
1332 {
1333     const char *aa, *bb;
1334
1335     for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1336     for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1337     return strcmp(aa, bb);
1338 }
1339
1340 static int index_name_qual(char **a)
1341 {
1342     return (a[0][0] == 'V');
1343 }
1344
1345 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1346 {
1347     return OPENSSL_LH_strhash(a[DB_name]);
1348 }
1349
1350 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1351 {
1352     return strcmp(a[DB_name], b[DB_name]);
1353 }
1354
1355 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1356 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1357 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1358 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1359 #undef BSIZE
1360 #define BSIZE 256
1361 BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai)
1362 {
1363     BIO *in = NULL;
1364     BIGNUM *ret = NULL;
1365     char buf[1024];
1366     ASN1_INTEGER *ai = NULL;
1367
1368     ai = ASN1_INTEGER_new();
1369     if (ai == NULL)
1370         goto err;
1371
1372     in = BIO_new_file(serialfile, "r");
1373     if (in == NULL) {
1374         if (!create) {
1375             perror(serialfile);
1376             goto err;
1377         }
1378         ERR_clear_error();
1379         ret = BN_new();
1380         if (ret == NULL || !rand_serial(ret, ai))
1381             BIO_printf(bio_err, "Out of memory\n");
1382     } else {
1383         if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1384             BIO_printf(bio_err, "unable to load number from %s\n",
1385                        serialfile);
1386             goto err;
1387         }
1388         ret = ASN1_INTEGER_to_BN(ai, NULL);
1389         if (ret == NULL) {
1390             BIO_printf(bio_err,
1391                        "error converting number from bin to BIGNUM\n");
1392             goto err;
1393         }
1394     }
1395
1396     if (ret && retai) {
1397         *retai = ai;
1398         ai = NULL;
1399     }
1400  err:
1401     BIO_free(in);
1402     ASN1_INTEGER_free(ai);
1403     return ret;
1404 }
1405
1406 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1407                 ASN1_INTEGER **retai)
1408 {
1409     char buf[1][BSIZE];
1410     BIO *out = NULL;
1411     int ret = 0;
1412     ASN1_INTEGER *ai = NULL;
1413     int j;
1414
1415     if (suffix == NULL)
1416         j = strlen(serialfile);
1417     else
1418         j = strlen(serialfile) + strlen(suffix) + 1;
1419     if (j >= BSIZE) {
1420         BIO_printf(bio_err, "file name too long\n");
1421         goto err;
1422     }
1423
1424     if (suffix == NULL)
1425         OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1426     else {
1427 #ifndef OPENSSL_SYS_VMS
1428         j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1429 #else
1430         j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1431 #endif
1432     }
1433     out = BIO_new_file(buf[0], "w");
1434     if (out == NULL) {
1435         ERR_print_errors(bio_err);
1436         goto err;
1437     }
1438
1439     if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1440         BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1441         goto err;
1442     }
1443     i2a_ASN1_INTEGER(out, ai);
1444     BIO_puts(out, "\n");
1445     ret = 1;
1446     if (retai) {
1447         *retai = ai;
1448         ai = NULL;
1449     }
1450  err:
1451     BIO_free_all(out);
1452     ASN1_INTEGER_free(ai);
1453     return ret;
1454 }
1455
1456 int rotate_serial(const char *serialfile, const char *new_suffix,
1457                   const char *old_suffix)
1458 {
1459     char buf[2][BSIZE];
1460     int i, j;
1461
1462     i = strlen(serialfile) + strlen(old_suffix);
1463     j = strlen(serialfile) + strlen(new_suffix);
1464     if (i > j)
1465         j = i;
1466     if (j + 1 >= BSIZE) {
1467         BIO_printf(bio_err, "file name too long\n");
1468         goto err;
1469     }
1470 #ifndef OPENSSL_SYS_VMS
1471     j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1472     j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1473 #else
1474     j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1475     j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1476 #endif
1477     if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1478 #ifdef ENOTDIR
1479         && errno != ENOTDIR
1480 #endif
1481         ) {
1482         BIO_printf(bio_err,
1483                    "unable to rename %s to %s\n", serialfile, buf[1]);
1484         perror("reason");
1485         goto err;
1486     }
1487     if (rename(buf[0], serialfile) < 0) {
1488         BIO_printf(bio_err,
1489                    "unable to rename %s to %s\n", buf[0], serialfile);
1490         perror("reason");
1491         rename(buf[1], serialfile);
1492         goto err;
1493     }
1494     return 1;
1495  err:
1496     return 0;
1497 }
1498
1499 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1500 {
1501     BIGNUM *btmp;
1502     int ret = 0;
1503
1504     btmp = b == NULL ? BN_new() : b;
1505     if (btmp == NULL)
1506         return 0;
1507
1508     if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1509         goto error;
1510     if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1511         goto error;
1512
1513     ret = 1;
1514
1515  error:
1516
1517     if (btmp != b)
1518         BN_free(btmp);
1519
1520     return ret;
1521 }
1522
1523 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1524 {
1525     CA_DB *retdb = NULL;
1526     TXT_DB *tmpdb = NULL;
1527     BIO *in;
1528     CONF *dbattr_conf = NULL;
1529     char buf[BSIZE];
1530
1531     in = BIO_new_file(dbfile, "r");
1532     if (in == NULL) {
1533         ERR_print_errors(bio_err);
1534         goto err;
1535     }
1536     if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1537         goto err;
1538
1539 #ifndef OPENSSL_SYS_VMS
1540     BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1541 #else
1542     BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1543 #endif
1544     dbattr_conf = app_load_config(buf);
1545
1546     retdb = app_malloc(sizeof(*retdb), "new DB");
1547     retdb->db = tmpdb;
1548     tmpdb = NULL;
1549     if (db_attr)
1550         retdb->attributes = *db_attr;
1551     else {
1552         retdb->attributes.unique_subject = 1;
1553     }
1554
1555     if (dbattr_conf) {
1556         char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1557         if (p) {
1558             retdb->attributes.unique_subject = parse_yesno(p, 1);
1559         }
1560     }
1561
1562  err:
1563     NCONF_free(dbattr_conf);
1564     TXT_DB_free(tmpdb);
1565     BIO_free_all(in);
1566     return retdb;
1567 }
1568
1569 int index_index(CA_DB *db)
1570 {
1571     if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1572                              LHASH_HASH_FN(index_serial),
1573                              LHASH_COMP_FN(index_serial))) {
1574         BIO_printf(bio_err,
1575                    "error creating serial number index:(%ld,%ld,%ld)\n",
1576                    db->db->error, db->db->arg1, db->db->arg2);
1577         return 0;
1578     }
1579
1580     if (db->attributes.unique_subject
1581         && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1582                                 LHASH_HASH_FN(index_name),
1583                                 LHASH_COMP_FN(index_name))) {
1584         BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1585                    db->db->error, db->db->arg1, db->db->arg2);
1586         return 0;
1587     }
1588     return 1;
1589 }
1590
1591 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1592 {
1593     char buf[3][BSIZE];
1594     BIO *out;
1595     int j;
1596
1597     j = strlen(dbfile) + strlen(suffix);
1598     if (j + 6 >= BSIZE) {
1599         BIO_printf(bio_err, "file name too long\n");
1600         goto err;
1601     }
1602 #ifndef OPENSSL_SYS_VMS
1603     j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1604     j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1605     j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1606 #else
1607     j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1608     j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1609     j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1610 #endif
1611     out = BIO_new_file(buf[0], "w");
1612     if (out == NULL) {
1613         perror(dbfile);
1614         BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1615         goto err;
1616     }
1617     j = TXT_DB_write(out, db->db);
1618     BIO_free(out);
1619     if (j <= 0)
1620         goto err;
1621
1622     out = BIO_new_file(buf[1], "w");
1623     if (out == NULL) {
1624         perror(buf[2]);
1625         BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
1626         goto err;
1627     }
1628     BIO_printf(out, "unique_subject = %s\n",
1629                db->attributes.unique_subject ? "yes" : "no");
1630     BIO_free(out);
1631
1632     return 1;
1633  err:
1634     return 0;
1635 }
1636
1637 int rotate_index(const char *dbfile, const char *new_suffix,
1638                  const char *old_suffix)
1639 {
1640     char buf[5][BSIZE];
1641     int i, j;
1642
1643     i = strlen(dbfile) + strlen(old_suffix);
1644     j = strlen(dbfile) + strlen(new_suffix);
1645     if (i > j)
1646         j = i;
1647     if (j + 6 >= BSIZE) {
1648         BIO_printf(bio_err, "file name too long\n");
1649         goto err;
1650     }
1651 #ifndef OPENSSL_SYS_VMS
1652     j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1653     j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1654     j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1655     j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1656     j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1657 #else
1658     j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1659     j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1660     j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1661     j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1662     j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1663 #endif
1664     if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1665 #ifdef ENOTDIR
1666         && errno != ENOTDIR
1667 #endif
1668         ) {
1669         BIO_printf(bio_err, "unable to rename %s to %s\n", dbfile, buf[1]);
1670         perror("reason");
1671         goto err;
1672     }
1673     if (rename(buf[0], dbfile) < 0) {
1674         BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile);
1675         perror("reason");
1676         rename(buf[1], dbfile);
1677         goto err;
1678     }
1679     if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1680 #ifdef ENOTDIR
1681         && errno != ENOTDIR
1682 #endif
1683         ) {
1684         BIO_printf(bio_err, "unable to rename %s to %s\n", buf[4], buf[3]);
1685         perror("reason");
1686         rename(dbfile, buf[0]);
1687         rename(buf[1], dbfile);
1688         goto err;
1689     }
1690     if (rename(buf[2], buf[4]) < 0) {
1691         BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]);
1692         perror("reason");
1693         rename(buf[3], buf[4]);
1694         rename(dbfile, buf[0]);
1695         rename(buf[1], dbfile);
1696         goto err;
1697     }
1698     return 1;
1699  err:
1700     return 0;
1701 }
1702
1703 void free_index(CA_DB *db)
1704 {
1705     if (db) {
1706         TXT_DB_free(db->db);
1707         OPENSSL_free(db);
1708     }
1709 }
1710
1711 int parse_yesno(const char *str, int def)
1712 {
1713     if (str) {
1714         switch (*str) {
1715         case 'f':              /* false */
1716         case 'F':              /* FALSE */
1717         case 'n':              /* no */
1718         case 'N':              /* NO */
1719         case '0':              /* 0 */
1720             return 0;
1721         case 't':              /* true */
1722         case 'T':              /* TRUE */
1723         case 'y':              /* yes */
1724         case 'Y':              /* YES */
1725         case '1':              /* 1 */
1726             return 1;
1727         }
1728     }
1729     return def;
1730 }
1731
1732 /*
1733  * name is expected to be in the format /type0=value0/type1=value1/type2=...
1734  * where characters may be escaped by \
1735  */
1736 X509_NAME *parse_name(const char *cp, long chtype, int canmulti)
1737 {
1738     int nextismulti = 0;
1739     char *work;
1740     X509_NAME *n;
1741
1742     if (*cp++ != '/')
1743         return NULL;
1744
1745     n = X509_NAME_new();
1746     if (n == NULL)
1747         return NULL;
1748     work = OPENSSL_strdup(cp);
1749     if (work == NULL)
1750         goto err;
1751
1752     while (*cp) {
1753         char *bp = work;
1754         char *typestr = bp;
1755         unsigned char *valstr;
1756         int nid;
1757         int ismulti = nextismulti;
1758         nextismulti = 0;
1759
1760         /* Collect the type */
1761         while (*cp && *cp != '=')
1762             *bp++ = *cp++;
1763         if (*cp == '\0') {
1764             BIO_printf(bio_err,
1765                     "%s: Hit end of string before finding the equals.\n",
1766                     opt_getprog());
1767             goto err;
1768         }
1769         *bp++ = '\0';
1770         ++cp;
1771
1772         /* Collect the value. */
1773         valstr = (unsigned char *)bp;
1774         for (; *cp && *cp != '/'; *bp++ = *cp++) {
1775             if (canmulti && *cp == '+') {
1776                 nextismulti = 1;
1777                 break;
1778             }
1779             if (*cp == '\\' && *++cp == '\0') {
1780                 BIO_printf(bio_err,
1781                         "%s: escape character at end of string\n",
1782                         opt_getprog());
1783                 goto err;
1784             }
1785         }
1786         *bp++ = '\0';
1787
1788         /* If not at EOS (must be + or /), move forward. */
1789         if (*cp)
1790             ++cp;
1791
1792         /* Parse */
1793         nid = OBJ_txt2nid(typestr);
1794         if (nid == NID_undef) {
1795             BIO_printf(bio_err, "%s: Skipping unknown attribute \"%s\"\n",
1796                       opt_getprog(), typestr);
1797             continue;
1798         }
1799         if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1800                                         valstr, strlen((char *)valstr),
1801                                         -1, ismulti ? -1 : 0))
1802             goto err;
1803     }
1804
1805     OPENSSL_free(work);
1806     return n;
1807
1808  err:
1809     X509_NAME_free(n);
1810     OPENSSL_free(work);
1811     return NULL;
1812 }
1813
1814 /*
1815  * Read whole contents of a BIO into an allocated memory buffer and return
1816  * it.
1817  */
1818
1819 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1820 {
1821     BIO *mem;
1822     int len, ret;
1823     unsigned char tbuf[1024];
1824
1825     mem = BIO_new(BIO_s_mem());
1826     if (mem == NULL)
1827         return -1;
1828     for (;;) {
1829         if ((maxlen != -1) && maxlen < 1024)
1830             len = maxlen;
1831         else
1832             len = 1024;
1833         len = BIO_read(in, tbuf, len);
1834         if (len < 0) {
1835             BIO_free(mem);
1836             return -1;
1837         }
1838         if (len == 0)
1839             break;
1840         if (BIO_write(mem, tbuf, len) != len) {
1841             BIO_free(mem);
1842             return -1;
1843         }
1844         maxlen -= len;
1845
1846         if (maxlen == 0)
1847             break;
1848     }
1849     ret = BIO_get_mem_data(mem, (char **)out);
1850     BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1851     BIO_free(mem);
1852     return ret;
1853 }
1854
1855 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
1856 {
1857     int rv;
1858     char *stmp, *vtmp = NULL;
1859     stmp = OPENSSL_strdup(value);
1860     if (!stmp)
1861         return -1;
1862     vtmp = strchr(stmp, ':');
1863     if (vtmp) {
1864         *vtmp = 0;
1865         vtmp++;
1866     }
1867     rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
1868     OPENSSL_free(stmp);
1869     return rv;
1870 }
1871
1872 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
1873 {
1874     X509_POLICY_NODE *node;
1875     int i;
1876
1877     BIO_printf(bio_err, "%s Policies:", name);
1878     if (nodes) {
1879         BIO_puts(bio_err, "\n");
1880         for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
1881             node = sk_X509_POLICY_NODE_value(nodes, i);
1882             X509_POLICY_NODE_print(bio_err, node, 2);
1883         }
1884     } else {
1885         BIO_puts(bio_err, " <empty>\n");
1886     }
1887 }
1888
1889 void policies_print(X509_STORE_CTX *ctx)
1890 {
1891     X509_POLICY_TREE *tree;
1892     int explicit_policy;
1893     tree = X509_STORE_CTX_get0_policy_tree(ctx);
1894     explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
1895
1896     BIO_printf(bio_err, "Require explicit Policy: %s\n",
1897                explicit_policy ? "True" : "False");
1898
1899     nodes_print("Authority", X509_policy_tree_get0_policies(tree));
1900     nodes_print("User", X509_policy_tree_get0_user_policies(tree));
1901 }
1902
1903 /*-
1904  * next_protos_parse parses a comma separated list of strings into a string
1905  * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
1906  *   outlen: (output) set to the length of the resulting buffer on success.
1907  *   err: (maybe NULL) on failure, an error message line is written to this BIO.
1908  *   in: a NUL terminated string like "abc,def,ghi"
1909  *
1910  *   returns: a malloc'd buffer or NULL on failure.
1911  */
1912 unsigned char *next_protos_parse(size_t *outlen, const char *in)
1913 {
1914     size_t len;
1915     unsigned char *out;
1916     size_t i, start = 0;
1917
1918     len = strlen(in);
1919     if (len >= 65535)
1920         return NULL;
1921
1922     out = app_malloc(strlen(in) + 1, "NPN buffer");
1923     for (i = 0; i <= len; ++i) {
1924         if (i == len || in[i] == ',') {
1925             if (i - start > 255) {
1926                 OPENSSL_free(out);
1927                 return NULL;
1928             }
1929             out[start] = (unsigned char)(i - start);
1930             start = i + 1;
1931         } else {
1932             out[i + 1] = in[i];
1933         }
1934     }
1935
1936     *outlen = len + 1;
1937     return out;
1938 }
1939
1940 void print_cert_checks(BIO *bio, X509 *x,
1941                        const char *checkhost,
1942                        const char *checkemail, const char *checkip)
1943 {
1944     if (x == NULL)
1945         return;
1946     if (checkhost) {
1947         BIO_printf(bio, "Hostname %s does%s match certificate\n",
1948                    checkhost,
1949                    X509_check_host(x, checkhost, 0, 0, NULL) == 1
1950                        ? "" : " NOT");
1951     }
1952
1953     if (checkemail) {
1954         BIO_printf(bio, "Email %s does%s match certificate\n",
1955                    checkemail, X509_check_email(x, checkemail, 0, 0)
1956                    ? "" : " NOT");
1957     }
1958
1959     if (checkip) {
1960         BIO_printf(bio, "IP %s does%s match certificate\n",
1961                    checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
1962     }
1963 }
1964
1965 /* Get first http URL from a DIST_POINT structure */
1966
1967 static const char *get_dp_url(DIST_POINT *dp)
1968 {
1969     GENERAL_NAMES *gens;
1970     GENERAL_NAME *gen;
1971     int i, gtype;
1972     ASN1_STRING *uri;
1973     if (!dp->distpoint || dp->distpoint->type != 0)
1974         return NULL;
1975     gens = dp->distpoint->name.fullname;
1976     for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
1977         gen = sk_GENERAL_NAME_value(gens, i);
1978         uri = GENERAL_NAME_get0_value(gen, &gtype);
1979         if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
1980             const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
1981             if (strncmp(uptr, "http://", 7) == 0)
1982                 return uptr;
1983         }
1984     }
1985     return NULL;
1986 }
1987
1988 /*
1989  * Look through a CRLDP structure and attempt to find an http URL to
1990  * downloads a CRL from.
1991  */
1992
1993 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
1994 {
1995     int i;
1996     const char *urlptr = NULL;
1997     for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
1998         DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
1999         urlptr = get_dp_url(dp);
2000         if (urlptr)
2001             return load_crl(urlptr, FORMAT_HTTP);
2002     }
2003     return NULL;
2004 }
2005
2006 /*
2007  * Example of downloading CRLs from CRLDP: not usable for real world as it
2008  * always downloads, doesn't support non-blocking I/O and doesn't cache
2009  * anything.
2010  */
2011
2012 static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
2013 {
2014     X509 *x;
2015     STACK_OF(X509_CRL) *crls = NULL;
2016     X509_CRL *crl;
2017     STACK_OF(DIST_POINT) *crldp;
2018
2019     crls = sk_X509_CRL_new_null();
2020     if (!crls)
2021         return NULL;
2022     x = X509_STORE_CTX_get_current_cert(ctx);
2023     crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2024     crl = load_crl_crldp(crldp);
2025     sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2026     if (!crl) {
2027         sk_X509_CRL_free(crls);
2028         return NULL;
2029     }
2030     sk_X509_CRL_push(crls, crl);
2031     /* Try to download delta CRL */
2032     crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2033     crl = load_crl_crldp(crldp);
2034     sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2035     if (crl)
2036         sk_X509_CRL_push(crls, crl);
2037     return crls;
2038 }
2039
2040 void store_setup_crl_download(X509_STORE *st)
2041 {
2042     X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2043 }
2044
2045 /*
2046  * Platform-specific sections
2047  */
2048 #if defined(_WIN32)
2049 # ifdef fileno
2050 #  undef fileno
2051 #  define fileno(a) (int)_fileno(a)
2052 # endif
2053
2054 # include <windows.h>
2055 # include <tchar.h>
2056
2057 static int WIN32_rename(const char *from, const char *to)
2058 {
2059     TCHAR *tfrom = NULL, *tto;
2060     DWORD err;
2061     int ret = 0;
2062
2063     if (sizeof(TCHAR) == 1) {
2064         tfrom = (TCHAR *)from;
2065         tto = (TCHAR *)to;
2066     } else {                    /* UNICODE path */
2067
2068         size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2069         tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2070         if (tfrom == NULL)
2071             goto err;
2072         tto = tfrom + flen;
2073 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2074         if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2075 # endif
2076             for (i = 0; i < flen; i++)
2077                 tfrom[i] = (TCHAR)from[i];
2078 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2079         if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2080 # endif
2081             for (i = 0; i < tlen; i++)
2082                 tto[i] = (TCHAR)to[i];
2083     }
2084
2085     if (MoveFile(tfrom, tto))
2086         goto ok;
2087     err = GetLastError();
2088     if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2089         if (DeleteFile(tto) && MoveFile(tfrom, tto))
2090             goto ok;
2091         err = GetLastError();
2092     }
2093     if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2094         errno = ENOENT;
2095     else if (err == ERROR_ACCESS_DENIED)
2096         errno = EACCES;
2097     else
2098         errno = EINVAL;         /* we could map more codes... */
2099  err:
2100     ret = -1;
2101  ok:
2102     if (tfrom != NULL && tfrom != (TCHAR *)from)
2103         free(tfrom);
2104     return ret;
2105 }
2106 #endif
2107
2108 /* app_tminterval section */
2109 #if defined(_WIN32)
2110 double app_tminterval(int stop, int usertime)
2111 {
2112     FILETIME now;
2113     double ret = 0;
2114     static ULARGE_INTEGER tmstart;
2115     static int warning = 1;
2116 # ifdef _WIN32_WINNT
2117     static HANDLE proc = NULL;
2118
2119     if (proc == NULL) {
2120         if (check_winnt())
2121             proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2122                                GetCurrentProcessId());
2123         if (proc == NULL)
2124             proc = (HANDLE) - 1;
2125     }
2126
2127     if (usertime && proc != (HANDLE) - 1) {
2128         FILETIME junk;
2129         GetProcessTimes(proc, &junk, &junk, &junk, &now);
2130     } else
2131 # endif
2132     {
2133         SYSTEMTIME systime;
2134
2135         if (usertime && warning) {
2136             BIO_printf(bio_err, "To get meaningful results, run "
2137                        "this program on idle system.\n");
2138             warning = 0;
2139         }
2140         GetSystemTime(&systime);
2141         SystemTimeToFileTime(&systime, &now);
2142     }
2143
2144     if (stop == TM_START) {
2145         tmstart.u.LowPart = now.dwLowDateTime;
2146         tmstart.u.HighPart = now.dwHighDateTime;
2147     } else {
2148         ULARGE_INTEGER tmstop;
2149
2150         tmstop.u.LowPart = now.dwLowDateTime;
2151         tmstop.u.HighPart = now.dwHighDateTime;
2152
2153         ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2154     }
2155
2156     return ret;
2157 }
2158 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2159 # include <time.h>
2160
2161 double app_tminterval(int stop, int usertime)
2162 {
2163     double ret = 0;
2164 # ifdef CLOCK_REALTIME
2165     static struct timespec tmstart;
2166     struct timespec now;
2167 # else
2168     static unsigned long tmstart;
2169     unsigned long now;
2170 # endif
2171     static int warning = 1;
2172
2173     if (usertime && warning) {
2174         BIO_printf(bio_err, "To get meaningful results, run "
2175                    "this program on idle system.\n");
2176         warning = 0;
2177     }
2178 # ifdef CLOCK_REALTIME
2179     clock_gettime(CLOCK_REALTIME, &now);
2180     if (stop == TM_START)
2181         tmstart = now;
2182     else
2183         ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2184                - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2185 # else
2186     now = tickGet();
2187     if (stop == TM_START)
2188         tmstart = now;
2189     else
2190         ret = (now - tmstart) / (double)sysClkRateGet();
2191 # endif
2192     return ret;
2193 }
2194
2195 #elif defined(OPENSSL_SYSTEM_VMS)
2196 # include <time.h>
2197 # include <times.h>
2198
2199 double app_tminterval(int stop, int usertime)
2200 {
2201     static clock_t tmstart;
2202     double ret = 0;
2203     clock_t now;
2204 # ifdef __TMS
2205     struct tms rus;
2206
2207     now = times(&rus);
2208     if (usertime)
2209         now = rus.tms_utime;
2210 # else
2211     if (usertime)
2212         now = clock();          /* sum of user and kernel times */
2213     else {
2214         struct timeval tv;
2215         gettimeofday(&tv, NULL);
2216         now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
2217                         (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
2218             );
2219     }
2220 # endif
2221     if (stop == TM_START)
2222         tmstart = now;
2223     else
2224         ret = (now - tmstart) / (double)(CLK_TCK);
2225
2226     return ret;
2227 }
2228
2229 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
2230 # include <sys/times.h>
2231
2232 double app_tminterval(int stop, int usertime)
2233 {
2234     double ret = 0;
2235     struct tms rus;
2236     clock_t now = times(&rus);
2237     static clock_t tmstart;
2238
2239     if (usertime)
2240         now = rus.tms_utime;
2241
2242     if (stop == TM_START) {
2243         tmstart = now;
2244     } else {
2245         long int tck = sysconf(_SC_CLK_TCK);
2246         ret = (now - tmstart) / (double)tck;
2247     }
2248
2249     return ret;
2250 }
2251
2252 #else
2253 # include <sys/time.h>
2254 # include <sys/resource.h>
2255
2256 double app_tminterval(int stop, int usertime)
2257 {
2258     double ret = 0;
2259     struct rusage rus;
2260     struct timeval now;
2261     static struct timeval tmstart;
2262
2263     if (usertime)
2264         getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2265     else
2266         gettimeofday(&now, NULL);
2267
2268     if (stop == TM_START)
2269         tmstart = now;
2270     else
2271         ret = ((now.tv_sec + now.tv_usec * 1e-6)
2272                - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2273
2274     return ret;
2275 }
2276 #endif
2277
2278 int app_access(const char* name, int flag)
2279 {
2280 #ifdef _WIN32
2281     return _access(name, flag);
2282 #else
2283     return access(name, flag);
2284 #endif
2285 }
2286
2287 /* app_isdir section */
2288 #ifdef _WIN32
2289 int app_isdir(const char *name)
2290 {
2291     DWORD attr;
2292 # if defined(UNICODE) || defined(_UNICODE)
2293     size_t i, len_0 = strlen(name) + 1;
2294     WCHAR tempname[MAX_PATH];
2295
2296     if (len_0 > MAX_PATH)
2297         return -1;
2298
2299 #  if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2300     if (!MultiByteToWideChar(CP_ACP, 0, name, len_0, tempname, MAX_PATH))
2301 #  endif
2302         for (i = 0; i < len_0; i++)
2303             tempname[i] = (WCHAR)name[i];
2304
2305     attr = GetFileAttributes(tempname);
2306 # else
2307     attr = GetFileAttributes(name);
2308 # endif
2309     if (attr == INVALID_FILE_ATTRIBUTES)
2310         return -1;
2311     return ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0);
2312 }
2313 #else
2314 # include <sys/stat.h>
2315 # ifndef S_ISDIR
2316 #  if defined(_S_IFMT) && defined(_S_IFDIR)
2317 #   define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
2318 #  else
2319 #   define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
2320 #  endif
2321 # endif
2322
2323 int app_isdir(const char *name)
2324 {
2325 # if defined(S_ISDIR)
2326     struct stat st;
2327
2328     if (stat(name, &st) == 0)
2329         return S_ISDIR(st.st_mode);
2330     else
2331         return -1;
2332 # else
2333     return -1;
2334 # endif
2335 }
2336 #endif
2337
2338 /* raw_read|write section */
2339 #if defined(__VMS)
2340 # include "vms_term_sock.h"
2341 static int stdin_sock = -1;
2342
2343 static void close_stdin_sock(void)
2344 {
2345     TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2346 }
2347
2348 int fileno_stdin(void)
2349 {
2350     if (stdin_sock == -1) {
2351         TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2352         atexit(close_stdin_sock);
2353     }
2354
2355     return stdin_sock;
2356 }
2357 #else
2358 int fileno_stdin(void)
2359 {
2360     return fileno(stdin);
2361 }
2362 #endif
2363
2364 int fileno_stdout(void)
2365 {
2366     return fileno(stdout);
2367 }
2368
2369 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2370 int raw_read_stdin(void *buf, int siz)
2371 {
2372     DWORD n;
2373     if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2374         return n;
2375     else
2376         return -1;
2377 }
2378 #elif defined(__VMS)
2379 # include <sys/socket.h>
2380
2381 int raw_read_stdin(void *buf, int siz)
2382 {
2383     return recv(fileno_stdin(), buf, siz, 0);
2384 }
2385 #else
2386 int raw_read_stdin(void *buf, int siz)
2387 {
2388     return read(fileno_stdin(), buf, siz);
2389 }
2390 #endif
2391
2392 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2393 int raw_write_stdout(const void *buf, int siz)
2394 {
2395     DWORD n;
2396     if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2397         return n;
2398     else
2399         return -1;
2400 }
2401 #else
2402 int raw_write_stdout(const void *buf, int siz)
2403 {
2404     return write(fileno_stdout(), buf, siz);
2405 }
2406 #endif
2407
2408 /*
2409  * Centralized handling if input and output files with format specification
2410  * The format is meant to show what the input and output is supposed to be,
2411  * and is therefore a show of intent more than anything else.  However, it
2412  * does impact behavior on some platform, such as differentiating between
2413  * text and binary input/output on non-Unix platforms
2414  */
2415 static int istext(int format)
2416 {
2417     return (format & B_FORMAT_TEXT) == B_FORMAT_TEXT;
2418 }
2419
2420 BIO *dup_bio_in(int format)
2421 {
2422     return BIO_new_fp(stdin,
2423                       BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2424 }
2425
2426 BIO *dup_bio_out(int format)
2427 {
2428     BIO *b = BIO_new_fp(stdout,
2429                         BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2430 #ifdef OPENSSL_SYS_VMS
2431     if (istext(format))
2432         b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2433 #endif
2434     return b;
2435 }
2436
2437 BIO *dup_bio_err(int format)
2438 {
2439     BIO *b = BIO_new_fp(stderr,
2440                         BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2441 #ifdef OPENSSL_SYS_VMS
2442     if (istext(format))
2443         b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2444 #endif
2445     return b;
2446 }
2447
2448 void unbuffer(FILE *fp)
2449 {
2450 /*
2451  * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2452  * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2453  * However, we trust that the C RTL will never give us a FILE pointer
2454  * above the first 4 GB of memory, so we simply turn off the warning
2455  * temporarily.
2456  */
2457 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2458 # pragma environment save
2459 # pragma message disable maylosedata2
2460 #endif
2461     setbuf(fp, NULL);
2462 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2463 # pragma environment restore
2464 #endif
2465 }
2466
2467 static const char *modestr(char mode, int format)
2468 {
2469     OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2470
2471     switch (mode) {
2472     case 'a':
2473         return istext(format) ? "a" : "ab";
2474     case 'r':
2475         return istext(format) ? "r" : "rb";
2476     case 'w':
2477         return istext(format) ? "w" : "wb";
2478     }
2479     /* The assert above should make sure we never reach this point */
2480     return NULL;
2481 }
2482
2483 static const char *modeverb(char mode)
2484 {
2485     switch (mode) {
2486     case 'a':
2487         return "appending";
2488     case 'r':
2489         return "reading";
2490     case 'w':
2491         return "writing";
2492     }
2493     return "(doing something)";
2494 }
2495
2496 /*
2497  * Open a file for writing, owner-read-only.
2498  */
2499 BIO *bio_open_owner(const char *filename, int format, int private)
2500 {
2501     FILE *fp = NULL;
2502     BIO *b = NULL;
2503     int fd = -1, bflags, mode, textmode;
2504
2505     if (!private || filename == NULL || strcmp(filename, "-") == 0)
2506         return bio_open_default(filename, 'w', format);
2507
2508     mode = O_WRONLY;
2509 #ifdef O_CREAT
2510     mode |= O_CREAT;
2511 #endif
2512 #ifdef O_TRUNC
2513     mode |= O_TRUNC;
2514 #endif
2515     textmode = istext(format);
2516     if (!textmode) {
2517 #ifdef O_BINARY
2518         mode |= O_BINARY;
2519 #elif defined(_O_BINARY)
2520         mode |= _O_BINARY;
2521 #endif
2522     }
2523
2524 #ifdef OPENSSL_SYS_VMS
2525     /* VMS doesn't have O_BINARY, it just doesn't make sense.  But,
2526      * it still needs to know that we're going binary, or fdopen()
2527      * will fail with "invalid argument"...  so we tell VMS what the
2528      * context is.
2529      */
2530     if (!textmode)
2531         fd = open(filename, mode, 0600, "ctx=bin");
2532     else
2533 #endif
2534         fd = open(filename, mode, 0600);
2535     if (fd < 0)
2536         goto err;
2537     fp = fdopen(fd, modestr('w', format));
2538     if (fp == NULL)
2539         goto err;
2540     bflags = BIO_CLOSE;
2541     if (textmode)
2542         bflags |= BIO_FP_TEXT;
2543     b = BIO_new_fp(fp, bflags);
2544     if (b)
2545         return b;
2546
2547  err:
2548     BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
2549                opt_getprog(), filename, strerror(errno));
2550     ERR_print_errors(bio_err);
2551     /* If we have fp, then fdopen took over fd, so don't close both. */
2552     if (fp)
2553         fclose(fp);
2554     else if (fd >= 0)
2555         close(fd);
2556     return NULL;
2557 }
2558
2559 static BIO *bio_open_default_(const char *filename, char mode, int format,
2560                               int quiet)
2561 {
2562     BIO *ret;
2563
2564     if (filename == NULL || strcmp(filename, "-") == 0) {
2565         ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
2566         if (quiet) {
2567             ERR_clear_error();
2568             return ret;
2569         }
2570         if (ret != NULL)
2571             return ret;
2572         BIO_printf(bio_err,
2573                    "Can't open %s, %s\n",
2574                    mode == 'r' ? "stdin" : "stdout", strerror(errno));
2575     } else {
2576         ret = BIO_new_file(filename, modestr(mode, format));
2577         if (quiet) {
2578             ERR_clear_error();
2579             return ret;
2580         }
2581         if (ret != NULL)
2582             return ret;
2583         BIO_printf(bio_err,
2584                    "Can't open %s for %s, %s\n",
2585                    filename, modeverb(mode), strerror(errno));
2586     }
2587     ERR_print_errors(bio_err);
2588     return NULL;
2589 }
2590
2591 BIO *bio_open_default(const char *filename, char mode, int format)
2592 {
2593     return bio_open_default_(filename, mode, format, 0);
2594 }
2595
2596 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
2597 {
2598     return bio_open_default_(filename, mode, format, 1);
2599 }
2600
2601 void wait_for_async(SSL *s)
2602 {
2603     /* On Windows select only works for sockets, so we simply don't wait  */
2604 #ifndef OPENSSL_SYS_WINDOWS
2605     int width = 0;
2606     fd_set asyncfds;
2607     OSSL_ASYNC_FD *fds;
2608     size_t numfds;
2609     size_t i;
2610
2611     if (!SSL_get_all_async_fds(s, NULL, &numfds))
2612         return;
2613     if (numfds == 0)
2614         return;
2615     fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
2616     if (!SSL_get_all_async_fds(s, fds, &numfds)) {
2617         OPENSSL_free(fds);
2618         return;
2619     }
2620
2621     FD_ZERO(&asyncfds);
2622     for (i = 0; i < numfds; i++) {
2623         if (width <= (int)fds[i])
2624             width = (int)fds[i] + 1;
2625         openssl_fdset((int)fds[i], &asyncfds);
2626     }
2627     select(width, (void *)&asyncfds, NULL, NULL, NULL);
2628     OPENSSL_free(fds);
2629 #endif
2630 }
2631
2632 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
2633 #if defined(OPENSSL_SYS_MSDOS)
2634 int has_stdin_waiting(void)
2635 {
2636 # if defined(OPENSSL_SYS_WINDOWS)
2637     HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
2638     DWORD events = 0;
2639     INPUT_RECORD inputrec;
2640     DWORD insize = 1;
2641     BOOL peeked;
2642
2643     if (inhand == INVALID_HANDLE_VALUE) {
2644         return 0;
2645     }
2646
2647     peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
2648     if (!peeked) {
2649         /* Probably redirected input? _kbhit() does not work in this case */
2650         if (!feof(stdin)) {
2651             return 1;
2652         }
2653         return 0;
2654     }
2655 # endif
2656     return _kbhit();
2657 }
2658 #endif
2659
2660 /* Corrupt a signature by modifying final byte */
2661 void corrupt_signature(const ASN1_STRING *signature)
2662 {
2663         unsigned char *s = signature->data;
2664         s[signature->length - 1] ^= 0x1;
2665 }
2666
2667 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
2668                    int days)
2669 {
2670     if (startdate == NULL || strcmp(startdate, "today") == 0) {
2671         if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
2672             return 0;
2673     } else {
2674         if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
2675             return 0;
2676     }
2677     if (enddate == NULL) {
2678         if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
2679             == NULL)
2680             return 0;
2681     } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
2682         return 0;
2683     }
2684     return 1;
2685 }
2686
2687 void make_uppercase(char *string)
2688 {
2689     int i;
2690
2691     for (i = 0; string[i] != '\0'; i++)
2692         string[i] = toupper((unsigned char)string[i]);
2693 }