apps/srp.c

   1 /*
   2  * Written by Peter Sylvester (peter.sylvester@edelweb.fr) for the EdelKey
   3  * project and contributed to the OpenSSL project 2004.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58 #include <openssl/opensslconf.h>
  59
  60 #ifndef OPENSSL_NO_SRP
  61 #include <stdio.h>
  62 #include <stdlib.h>
  63 #include <string.h>
  64 #include <openssl/conf.h>
  65 #include <openssl/bio.h>
  66 #include <openssl/err.h>
  67 #include <openssl/txt_db.h>
  68 #include <openssl/buffer.h>
  69 #include <openssl/srp.h>
  70 #include "apps.h"
  71
  72 # define BASE_SECTION    "srp"
  73 # define CONFIG_FILE "openssl.cnf"
  74
  75 # define ENV_RANDFILE            "RANDFILE"
  76
  77 # define ENV_DATABASE            "srpvfile"
  78 # define ENV_DEFAULT_SRP         "default_srp"
  79
  80 static int get_index(CA_DB *db, char *id, char type)
  81 {
  82     char **pp;
  83     int i;
  84     if (id == NULL)
  85         return -1;
  86     if (type == DB_SRP_INDEX)
  87         for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
  88             pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
  89             if (pp[DB_srptype][0] == DB_SRP_INDEX
  90                 && strcmp(id, pp[DB_srpid]) == 0)
  91                 return i;
  92     } else
  93         for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
  94             pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
  95
  96             if (pp[DB_srptype][0] != DB_SRP_INDEX
  97                 && strcmp(id, pp[DB_srpid]) == 0)
  98                 return i;
  99         }
 100
 101     return -1;
 102 }
 103
 104 static void print_entry(CA_DB *db, int indx, int verbose, char *s)
 105 {
 106     if (indx >= 0 && verbose) {
 107         int j;
 108         char **pp = sk_OPENSSL_PSTRING_value(db->db->data, indx);
 109         BIO_printf(bio_err, "%s \"%s\"\n", s, pp[DB_srpid]);
 110         for (j = 0; j < DB_NUMBER; j++) {
 111             BIO_printf(bio_err, "  %d = \"%s\"\n", j, pp[j]);
 112         }
 113     }
 114 }
 115
 116 static void print_index(CA_DB *db, int indexindex, int verbose)
 117 {
 118     print_entry(db, indexindex, verbose, "g N entry");
 119 }
 120
 121 static void print_user(CA_DB *db, int userindex, int verbose)
 122 {
 123     if (verbose > 0) {
 124         char **pp = sk_OPENSSL_PSTRING_value(db->db->data, userindex);
 125
 126         if (pp[DB_srptype][0] != 'I') {
 127             print_entry(db, userindex, verbose, "User entry");
 128             print_entry(db, get_index(db, pp[DB_srpgN], 'I'), verbose,
 129                         "g N entry");
 130         }
 131
 132     }
 133 }
 134
 135 static int update_index(CA_DB *db, char **row)
 136 {
 137     char **irow;
 138     int i;
 139
 140     irow = app_malloc(sizeof(*irow) * (DB_NUMBER + 1), "row pointers");
 141     for (i = 0; i < DB_NUMBER; i++) {
 142         irow[i] = row[i];
 143         row[i] = NULL;
 144     }
 145     irow[DB_NUMBER] = NULL;
 146
 147     if (!TXT_DB_insert(db->db, irow)) {
 148         BIO_printf(bio_err, "failed to update srpvfile\n");
 149         BIO_printf(bio_err, "TXT_DB error number %ld\n", db->db->error);
 150         OPENSSL_free(irow);
 151         return 0;
 152     }
 153     return 1;
 154 }
 155
 156 static void lookup_fail(const char *name, const char *tag)
 157 {
 158     BIO_printf(bio_err, "variable lookup failed for %s::%s\n", name, tag);
 159 }
 160
 161 static char *srp_verify_user(const char *user, const char *srp_verifier,
 162                              char *srp_usersalt, const char *g, const char *N,
 163                              const char *passin, int verbose)
 164 {
 165     char password[1024];
 166     PW_CB_DATA cb_tmp;
 167     char *verifier = NULL;
 168     char *gNid = NULL;
 169
 170     cb_tmp.prompt_info = user;
 171     cb_tmp.password = passin;
 172
 173     if (password_callback(password, 1024, 0, &cb_tmp) > 0) {
 174         if (verbose)
 175             BIO_printf(bio_err,
 176                        "Validating\n   user=\"%s\"\n srp_verifier=\"%s\"\n srp_usersalt=\"%s\"\n g=\"%s\"\n N=\"%s\"\n",
 177                        user, srp_verifier, srp_usersalt, g, N);
 178         BIO_printf(bio_err, "Pass %s\n", password);
 179
 180         OPENSSL_assert(srp_usersalt != NULL);
 181         if (!
 182             (gNid =
 183              SRP_create_verifier(user, password, &srp_usersalt, &verifier, N,
 184                                  g))) {
 185             BIO_printf(bio_err, "Internal error validating SRP verifier\n");
 186         } else {
 187             if (strcmp(verifier, srp_verifier))
 188                 gNid = NULL;
 189             OPENSSL_free(verifier);
 190         }
 191     }
 192     return gNid;
 193 }
 194
 195 static char *srp_create_user(char *user, char **srp_verifier,
 196                              char **srp_usersalt, char *g, char *N,
 197                              char *passout, int verbose)
 198 {
 199     char password[1024];
 200     PW_CB_DATA cb_tmp;
 201     char *gNid = NULL;
 202     char *salt = NULL;
 203     cb_tmp.prompt_info = user;
 204     cb_tmp.password = passout;
 205
 206     if (password_callback(password, 1024, 1, &cb_tmp) > 0) {
 207         if (verbose)
 208             BIO_printf(bio_err, "Creating\n user=\"%s\"\n g=\"%s\"\n N=\"%s\"\n",
 209                        user, g, N);
 210         if (!
 211             (gNid =
 212              SRP_create_verifier(user, password, &salt, srp_verifier, N,
 213                                  g))) {
 214             BIO_printf(bio_err, "Internal error creating SRP verifier\n");
 215         } else
 216             *srp_usersalt = salt;
 217         if (verbose > 1)
 218             BIO_printf(bio_err, "gNid=%s salt =\"%s\"\n verifier =\"%s\"\n", gNid,
 219                        salt, *srp_verifier);
 220
 221     }
 222     return gNid;
 223 }
 224
 225 typedef enum OPTION_choice {
 226     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
 227     OPT_VERBOSE, OPT_CONFIG, OPT_NAME, OPT_SRPVFILE, OPT_ADD,
 228     OPT_DELETE, OPT_MODIFY, OPT_LIST, OPT_GN, OPT_USERINFO,
 229     OPT_PASSIN, OPT_PASSOUT, OPT_ENGINE
 230 } OPTION_CHOICE;
 231
 232 OPTIONS srp_options[] = {
 233     {"help", OPT_HELP, '-', "Display this summary"},
 234     {"verbose", OPT_VERBOSE, '-', "Talk a lot while doing things"},
 235     {"config", OPT_CONFIG, '<', "A config file"},
 236     {"name", OPT_NAME, 's', "The particular srp definition to use"},
 237     {"srpvfile", OPT_SRPVFILE, '<', "The srp verifier file name"},
 238     {"add", OPT_ADD, '-', "Add a user and srp verifier"},
 239     {"modify", OPT_MODIFY, '-',
 240      "Modify the srp verifier of an existing user"},
 241     {"delete", OPT_DELETE, '-', "Delete user from verifier file"},
 242     {"list", OPT_LIST, '-', "List users"},
 243     {"gn", OPT_GN, 's', "Set g and N values to be used for new verifier"},
 244     {"userinfo", OPT_USERINFO, 's', "Additional info to be set for user"},
 245     {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
 246     {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
 247 # ifndef OPENSSL_NO_ENGINE
 248     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
 249 # endif
 250     {NULL}
 251 };
 252
 253 int srp_main(int argc, char **argv)
 254 {
 255     CA_DB *db = NULL;
 256     DB_ATTR db_attr;
 257     CONF *conf = NULL;
 258     int gNindex = -1, maxgN = -1, ret = 1, errors = 0, verbose = 0, i;
 259     int doupdatedb = 0, mode = OPT_ERR;
 260     char *user = NULL, *passinarg = NULL, *passoutarg = NULL;
 261     char *passin = NULL, *passout = NULL, *gN = NULL, *userinfo = NULL;
 262     char *randfile = NULL, *tofree = NULL, *section = NULL;
 263     char **gNrow = NULL, *configfile = NULL;
 264     char *srpvfile = NULL, **pp, *prog;
 265     OPTION_CHOICE o;
 266
 267     prog = opt_init(argc, argv, srp_options);
 268     while ((o = opt_next()) != OPT_EOF) {
 269         switch (o) {
 270         case OPT_EOF:
 271         case OPT_ERR:
 272  opthelp:
 273             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 274             goto end;
 275         case OPT_HELP:
 276             opt_help(srp_options);
 277             ret = 0;
 278             goto end;
 279         case OPT_VERBOSE:
 280             verbose++;
 281             break;
 282         case OPT_CONFIG:
 283             configfile = opt_arg();
 284             break;
 285         case OPT_NAME:
 286             section = opt_arg();
 287             break;
 288         case OPT_SRPVFILE:
 289             srpvfile = opt_arg();
 290             break;
 291         case OPT_ADD:
 292         case OPT_DELETE:
 293         case OPT_MODIFY:
 294         case OPT_LIST:
 295             if (mode != OPT_ERR) {
 296                 BIO_printf(bio_err,
 297                            "%s: Only one of -add/delete-modify/-list\n",
 298                            prog);
 299                 goto opthelp;
 300             }
 301             mode = o;
 302             break;
 303         case OPT_GN:
 304             gN = opt_arg();
 305             break;
 306         case OPT_USERINFO:
 307             userinfo = opt_arg();
 308             break;
 309         case OPT_PASSIN:
 310             passinarg = opt_arg();
 311             break;
 312         case OPT_PASSOUT:
 313             passoutarg = opt_arg();
 314             break;
 315         case OPT_ENGINE:
 316             (void)setup_engine(opt_arg(), 0);
 317             break;
 318         }
 319     }
 320     argc = opt_num_rest();
 321     argv = opt_rest();
 322
 323     if (srpvfile && configfile) {
 324         BIO_printf(bio_err,
 325                    "-srpvfile and -configfile cannot be specified together.\n");
 326         goto end;
 327     }
 328     if (mode == OPT_ERR) {
 329         BIO_printf(bio_err,
 330                    "Exactly one of the options -add, -delete, -modify -list must be specified.\n");
 331         goto opthelp;
 332     }
 333     if ((mode == OPT_DELETE || mode == OPT_MODIFY || mode == OPT_ADD)
 334         && argc < 1) {
 335         BIO_printf(bio_err,
 336                    "Need at least one user for options -add, -delete, -modify. \n");
 337         goto opthelp;
 338     }
 339     if ((passin || passout) && argc != 1) {
 340         BIO_printf(bio_err,
 341                    "-passin, -passout arguments only valid with one user.\n");
 342         goto opthelp;
 343     }
 344
 345     if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
 346         BIO_printf(bio_err, "Error getting passwords\n");
 347         goto end;
 348     }
 349
 350     if (!srpvfile) {
 351         if (!configfile)
 352             configfile = default_config_file;
 353
 354         if (verbose)
 355             BIO_printf(bio_err, "Using configuration from %s\n",
 356                        configfile);
 357         conf = app_load_config(configfile);
 358         if (conf == NULL)
 359             goto end;
 360         if (!app_load_modules(conf))
 361             goto end;
 362
 363         /* Lets get the config section we are using */
 364         if (section == NULL) {
 365             if (verbose)
 366                 BIO_printf(bio_err,
 367                            "trying to read " ENV_DEFAULT_SRP
 368                            " in \" BASE_SECTION \"\n");
 369
 370             section = NCONF_get_string(conf, BASE_SECTION, ENV_DEFAULT_SRP);
 371             if (section == NULL) {
 372                 lookup_fail(BASE_SECTION, ENV_DEFAULT_SRP);
 373                 goto end;
 374             }
 375         }
 376
 377         if (randfile == NULL && conf)
 378             randfile = NCONF_get_string(conf, BASE_SECTION, "RANDFILE");
 379
 380         if (verbose)
 381             BIO_printf(bio_err,
 382                        "trying to read " ENV_DATABASE " in section \"%s\"\n",
 383                        section);
 384
 385         if ((srpvfile = NCONF_get_string(conf, section, ENV_DATABASE))
 386                 == NULL) {
 387             lookup_fail(section, ENV_DATABASE);
 388             goto end;
 389         }
 390
 391     }
 392     if (randfile == NULL)
 393         ERR_clear_error();
 394     else
 395         app_RAND_load_file(randfile, 0);
 396
 397     if (verbose)
 398         BIO_printf(bio_err, "Trying to read SRP verifier file \"%s\"\n",
 399                    srpvfile);
 400
 401     db = load_index(srpvfile, &db_attr);
 402     if (db == NULL)
 403         goto end;
 404
 405     /* Lets check some fields */
 406     for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
 407         pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
 408
 409         if (pp[DB_srptype][0] == DB_SRP_INDEX) {
 410             maxgN = i;
 411             if ((gNindex < 0) && (gN != NULL) && strcmp(gN, pp[DB_srpid]) == 0)
 412                 gNindex = i;
 413
 414             print_index(db, i, verbose > 1);
 415         }
 416     }
 417
 418     if (verbose)
 419         BIO_printf(bio_err, "Database initialised\n");
 420
 421     if (gNindex >= 0) {
 422         gNrow = sk_OPENSSL_PSTRING_value(db->db->data, gNindex);
 423         print_entry(db, gNindex, verbose > 1, "Default g and N");
 424     } else if (maxgN > 0 && !SRP_get_default_gN(gN)) {
 425         BIO_printf(bio_err, "No g and N value for index \"%s\"\n", gN);
 426         goto end;
 427     } else {
 428         if (verbose)
 429             BIO_printf(bio_err, "Database has no g N information.\n");
 430         gNrow = NULL;
 431     }
 432
 433     if (verbose > 1)
 434         BIO_printf(bio_err, "Starting user processing\n");
 435
 436     if (argc > 0)
 437         user = *(argv++);
 438
 439     while (mode == OPT_LIST || user) {
 440         int userindex = -1;
 441         if (user)
 442             if (verbose > 1)
 443                 BIO_printf(bio_err, "Processing user \"%s\"\n", user);
 444         if ((userindex = get_index(db, user, 'U')) >= 0) {
 445             print_user(db, userindex, (verbose > 0)
 446                        || mode == OPT_LIST);
 447         }
 448
 449         if (mode == OPT_LIST) {
 450             if (user == NULL) {
 451                 BIO_printf(bio_err, "List all users\n");
 452
 453                 for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
 454                     print_user(db, i, 1);
 455                 }
 456             } else if (userindex < 0) {
 457                 BIO_printf(bio_err,
 458                            "user \"%s\" does not exist, ignored. t\n", user);
 459                 errors++;
 460             }
 461         } else if (mode == OPT_ADD) {
 462             if (userindex >= 0) {
 463                 /* reactivation of a new user */
 464                 char **row =
 465                     sk_OPENSSL_PSTRING_value(db->db->data, userindex);
 466                 BIO_printf(bio_err, "user \"%s\" reactivated.\n", user);
 467                 row[DB_srptype][0] = 'V';
 468
 469                 doupdatedb = 1;
 470             } else {
 471                 char *row[DB_NUMBER];
 472                 char *gNid;
 473                 row[DB_srpverifier] = NULL;
 474                 row[DB_srpsalt] = NULL;
 475                 row[DB_srpinfo] = NULL;
 476                 if (!
 477                     (gNid =
 478                      srp_create_user(user, &(row[DB_srpverifier]),
 479                                      &(row[DB_srpsalt]),
 480                                      gNrow ? gNrow[DB_srpsalt] : gN,
 481                                      gNrow ? gNrow[DB_srpverifier] : NULL,
 482                                      passout, verbose))) {
 483                     BIO_printf(bio_err,
 484                                "Cannot create srp verifier for user \"%s\", operation abandoned .\n",
 485                                user);
 486                     errors++;
 487                     goto end;
 488                 }
 489                 row[DB_srpid] = OPENSSL_strdup(user);
 490                 row[DB_srptype] = OPENSSL_strdup("v");
 491                 row[DB_srpgN] = OPENSSL_strdup(gNid);
 492
 493                 if ((row[DB_srpid] == NULL)
 494                     || (row[DB_srpgN] == NULL)
 495                     || (row[DB_srptype] == NULL)
 496                     || (row[DB_srpverifier] == NULL)
 497                     || (row[DB_srpsalt] == NULL)
 498                     || (userinfo
 499                         && ((row[DB_srpinfo] = OPENSSL_strdup(userinfo)) == NULL))
 500                     || !update_index(db, row)) {
 501                     OPENSSL_free(row[DB_srpid]);
 502                     OPENSSL_free(row[DB_srpgN]);
 503                     OPENSSL_free(row[DB_srpinfo]);
 504                     OPENSSL_free(row[DB_srptype]);
 505                     OPENSSL_free(row[DB_srpverifier]);
 506                     OPENSSL_free(row[DB_srpsalt]);
 507                     goto end;
 508                 }
 509                 doupdatedb = 1;
 510             }
 511         } else if (mode == OPT_MODIFY) {
 512             if (userindex < 0) {
 513                 BIO_printf(bio_err,
 514                            "user \"%s\" does not exist, operation ignored.\n",
 515                            user);
 516                 errors++;
 517             } else {
 518
 519                 char **row =
 520                     sk_OPENSSL_PSTRING_value(db->db->data, userindex);
 521                 char type = row[DB_srptype][0];
 522                 if (type == 'v') {
 523                     BIO_printf(bio_err,
 524                                "user \"%s\" already updated, operation ignored.\n",
 525                                user);
 526                     errors++;
 527                 } else {
 528                     char *gNid;
 529
 530                     if (row[DB_srptype][0] == 'V') {
 531                         int user_gN;
 532                         char **irow = NULL;
 533                         if (verbose)
 534                             BIO_printf(bio_err,
 535                                        "Verifying password for user \"%s\"\n",
 536                                        user);
 537                         if ((user_gN =
 538                              get_index(db, row[DB_srpgN], DB_SRP_INDEX)) >= 0)
 539                             irow =
 540                                 sk_OPENSSL_PSTRING_value(db->db->data,
 541                                                          userindex);
 542
 543                         if (!srp_verify_user
 544                             (user, row[DB_srpverifier], row[DB_srpsalt],
 545                              irow ? irow[DB_srpsalt] : row[DB_srpgN],
 546                              irow ? irow[DB_srpverifier] : NULL, passin,
 547                              verbose)) {
 548                             BIO_printf(bio_err,
 549                                        "Invalid password for user \"%s\", operation abandoned.\n",
 550                                        user);
 551                             errors++;
 552                             goto end;
 553                         }
 554                     }
 555                     if (verbose)
 556                         BIO_printf(bio_err, "Password for user \"%s\" ok.\n",
 557                                    user);
 558
 559                     if (!
 560                         (gNid =
 561                          srp_create_user(user, &(row[DB_srpverifier]),
 562                                          &(row[DB_srpsalt]),
 563                                          gNrow ? gNrow[DB_srpsalt] : NULL,
 564                                          gNrow ? gNrow[DB_srpverifier] : NULL,
 565                                          passout, verbose))) {
 566                         BIO_printf(bio_err,
 567                                    "Cannot create srp verifier for user \"%s\", operation abandoned.\n",
 568                                    user);
 569                         errors++;
 570                         goto end;
 571                     }
 572
 573                     row[DB_srptype][0] = 'v';
 574                     row[DB_srpgN] = OPENSSL_strdup(gNid);
 575
 576                     if (row[DB_srpid] == NULL
 577                         || row[DB_srpgN] == NULL
 578                         || row[DB_srptype] == NULL
 579                         || row[DB_srpverifier] == NULL
 580                         || row[DB_srpsalt] == NULL
 581                         || (userinfo
 582                             && ((row[DB_srpinfo] = OPENSSL_strdup(userinfo))
 583                                 == NULL)))
 584                         goto end;
 585
 586                     doupdatedb = 1;
 587                 }
 588             }
 589         } else if (mode == OPT_DELETE) {
 590             if (userindex < 0) {
 591                 BIO_printf(bio_err,
 592                            "user \"%s\" does not exist, operation ignored. t\n",
 593                            user);
 594                 errors++;
 595             } else {
 596                 char **xpp = sk_OPENSSL_PSTRING_value(db->db->data, userindex);
 597
 598                 BIO_printf(bio_err, "user \"%s\" revoked. t\n", user);
 599                 xpp[DB_srptype][0] = 'R';
 600                 doupdatedb = 1;
 601             }
 602         }
 603         if (--argc > 0)
 604             user = *(argv++);
 605         else {
 606             user = NULL;
 607         }
 608     }
 609
 610     if (verbose)
 611         BIO_printf(bio_err, "User procession done.\n");
 612
 613     if (doupdatedb) {
 614         /* Lets check some fields */
 615         for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) {
 616             pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
 617
 618             if (pp[DB_srptype][0] == 'v') {
 619                 pp[DB_srptype][0] = 'V';
 620                 print_user(db, i, verbose);
 621             }
 622         }
 623
 624         if (verbose)
 625             BIO_printf(bio_err, "Trying to update srpvfile.\n");
 626         if (!save_index(srpvfile, "new", db))
 627             goto end;
 628
 629         if (verbose)
 630             BIO_printf(bio_err, "Temporary srpvfile created.\n");
 631         if (!rotate_index(srpvfile, "new", "old"))
 632             goto end;
 633
 634         if (verbose)
 635             BIO_printf(bio_err, "srpvfile updated.\n");
 636     }
 637
 638     ret = (errors != 0);
 639  end:
 640     if (errors != 0)
 641         if (verbose)
 642             BIO_printf(bio_err, "User errors %d.\n", errors);
 643
 644     if (verbose)
 645         BIO_printf(bio_err, "SRP terminating with code %d.\n", ret);
 646     OPENSSL_free(tofree);
 647     if (ret)
 648         ERR_print_errors(bio_err);
 649     if (randfile)
 650         app_RAND_write_file(randfile);
 651     NCONF_free(conf);
 652     free_index(db);
 653     OBJ_cleanup();
 654     return (ret);
 655 }
 656
 657 #else
 658
 659 # if PEDANTIC
 660 static void *dummy = &dummy;
 661 # endif
 662
 663 #endif