apps/srp.c

   1 /* apps/srp.c */
   2 /* Written by Peter Sylvester (peter.sylvester@edelweb.fr)
   3  * for the EdelKey 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
  71 #include "apps.h"
  72
  73 #undef PROG
  74 #define PROG srp_main
  75
  76 #define BASE_SECTION    "srp"
  77 #define CONFIG_FILE "openssl.cnf"
  78
  79 #define ENV_RANDFILE            "RANDFILE"
  80
  81 #define ENV_DATABASE            "srpvfile"
  82 #define ENV_DEFAULT_SRP         "default_srp"
  83
  84 static char *srp_usage[]={
  85 "usage: srp [args] [user] \n",
  86 "\n",
  87 " -verbose        Talk alot while doing things\n",
  88 " -config file    A config file\n",
  89 " -name arg       The particular srp definition to use\n",
  90 " -srpvfile arg   The srp verifier file name\n",
  91 " -add            add an user and srp verifier\n",
  92 " -modify         modify the srp verifier of an existing user\n",
  93 " -delete         delete user from verifier file\n",
  94 " -list           list user\n",
  95 " -gn arg         g and N values to be used for new verifier\n",
  96 " -userinfo arg   additional info to be set for user\n",
  97 " -passin arg     input file pass phrase source\n",
  98 " -passout arg    output file pass phrase source\n",
  99 #ifndef OPENSSL_NO_ENGINE
 100 " -engine e         - use engine e, possibly a hardware device.\n",
 101 #endif
 102 NULL
 103 };
 104
 105 #ifdef EFENCE
 106 extern int EF_PROTECT_FREE;
 107 extern int EF_PROTECT_BELOW;
 108 extern int EF_ALIGNMENT;
 109 #endif
 110
 111 static CONF *conf=NULL;
 112 static char *section=NULL;
 113
 114 #define VERBOSE if (verbose)
 115 #define VVERBOSE if (verbose>1)
 116
 117
 118 int MAIN(int, char **);
 119
 120 static int get_index(CA_DB *db, char* id, char type)
 121         {
 122         char ** pp;
 123         int i;
 124         if (id == NULL) return -1;
 125         if (type == DB_SRP_INDEX)
 126         for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
 127                 {
 128                 pp = sk_OPENSSL_PSTRING_value(db->db->data,i);
 129                 if (pp[DB_srptype][0] == DB_SRP_INDEX  && !strcmp(id,pp[DB_srpid]))
 130                         return i;
 131                 }
 132         else for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
 133                 {
 134                 pp = sk_OPENSSL_PSTRING_value(db->db->data,i);
 135
 136                 if (pp[DB_srptype][0] != DB_SRP_INDEX && !strcmp(id,pp[DB_srpid]))
 137                         return i;
 138                 }
 139
 140         return -1 ;
 141         }
 142
 143 static void print_entry(CA_DB *db, BIO *bio, int indx, int verbose, char *s)
 144         {
 145         if (indx >= 0 && verbose)
 146                 {
 147                 int j;
 148                 char **pp = sk_OPENSSL_PSTRING_value(db->db->data, indx);
 149                 BIO_printf(bio, "%s \"%s\"\n", s, pp[DB_srpid]);
 150                 for (j = 0; j < DB_NUMBER; j++)
 151                         {
 152                         BIO_printf(bio_err,"  %d = \"%s\"\n", j, pp[j]);
 153                         }
 154                 }
 155         }
 156
 157 static void print_index(CA_DB *db, BIO *bio, int indexindex, int verbose)
 158         {
 159         print_entry(db, bio, indexindex, verbose, "g N entry") ;
 160         }
 161
 162 static void print_user(CA_DB *db, BIO *bio, int userindex, int verbose)
 163         {
 164         if (verbose > 0)
 165                 {
 166                 char **pp = sk_OPENSSL_PSTRING_value(db->db->data,userindex);
 167
 168                 if (pp[DB_srptype][0] != 'I')
 169                         {
 170                         print_entry(db, bio, userindex, verbose, "User entry");
 171                         print_entry(db, bio, get_index(db, pp[DB_srpgN], 'I'), verbose, "g N entry");
 172                         }
 173
 174                 }
 175         }
 176
 177 static int update_index(CA_DB *db, BIO *bio, char **row)
 178         {
 179         char ** irow;
 180         int i;
 181
 182         if ((irow=(char **)OPENSSL_malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)
 183                 {
 184                 BIO_printf(bio_err,"Memory allocation failure\n");
 185                 return 0;
 186                 }
 187
 188         for (i=0; i<DB_NUMBER; i++)
 189                 {
 190                 irow[i]=row[i];
 191                 row[i]=NULL;
 192                 }
 193         irow[DB_NUMBER]=NULL;
 194
 195         if (!TXT_DB_insert(db->db,irow))
 196                 {
 197                 BIO_printf(bio,"failed to update srpvfile\n");
 198                 BIO_printf(bio,"TXT_DB error number %ld\n",db->db->error);
 199                 OPENSSL_free(irow);
 200                 return 0;
 201                 }
 202         return 1;
 203         }
 204
 205 static void lookup_fail(const char *name, char *tag)
 206         {
 207         BIO_printf(bio_err,"variable lookup failed for %s::%s\n",name,tag);
 208         }
 209
 210
 211 static char *srp_verify_user(const char *user, const char *srp_verifier,
 212                              char *srp_usersalt, const char *g, const char *N,
 213                              const char *passin, BIO *bio, int verbose)
 214         {
 215         char password[1024];
 216         PW_CB_DATA cb_tmp;
 217         char *verifier = NULL;
 218         char *gNid = NULL;
 219
 220         cb_tmp.prompt_info = user;
 221         cb_tmp.password = passin;
 222
 223         if (password_callback(password, 1024, 0, &cb_tmp) >0)
 224                 {
 225                 VERBOSE BIO_printf(bio,"Validating\n   user=\"%s\"\n srp_verifier=\"%s\"\n srp_usersalt=\"%s\"\n g=\"%s\"\n N=\"%s\"\n",user,srp_verifier,srp_usersalt, g, N);
 226                 BIO_printf(bio, "Pass %s\n", password);
 227
 228                 if (!(gNid=SRP_create_verifier(user, password, &srp_usersalt, &verifier, N, g)))
 229                         {
 230                         BIO_printf(bio, "Internal error validating SRP verifier\n");
 231                         }
 232                 else
 233                         {
 234                         if (strcmp(verifier, srp_verifier))
 235                                 gNid = NULL;
 236                         OPENSSL_free(verifier);
 237                         }
 238                 }
 239         return gNid;
 240         }
 241
 242 static char *srp_create_user(char *user, char **srp_verifier,
 243                              char **srp_usersalt, char *g, char *N,
 244                              char *passout, BIO *bio, int verbose)
 245         {
 246         char password[1024];
 247         PW_CB_DATA cb_tmp;
 248         char *gNid = NULL;
 249         char *salt = NULL;
 250         cb_tmp.prompt_info = user;
 251         cb_tmp.password = passout;
 252
 253         if (password_callback(password,1024,1,&cb_tmp) >0)
 254                 {
 255                 VERBOSE BIO_printf(bio,"Creating\n user=\"%s\"\n g=\"%s\"\n N=\"%s\"\n",user,g,N);
 256                 if (!(gNid =SRP_create_verifier(user, password, &salt, srp_verifier, N, g)))
 257                         {
 258                         BIO_printf(bio,"Internal error creating SRP verifier\n");
 259                         }
 260                 else
 261                         *srp_usersalt = salt;
 262                 VVERBOSE BIO_printf(bio,"gNid=%s salt =\"%s\"\n verifier =\"%s\"\n", gNid,salt, *srp_verifier);
 263
 264                 }
 265         return gNid;
 266         }
 267
 268 int MAIN(int argc, char **argv)
 269         {
 270         int add_user = 0;
 271         int list_user= 0;
 272         int delete_user= 0;
 273         int modify_user= 0;
 274         char * user = NULL;
 275
 276         char *passargin = NULL, *passargout = NULL;
 277         char *passin = NULL, *passout = NULL;
 278         char * gN = NULL;
 279         int gNindex = -1;
 280         char ** gNrow = NULL;
 281         int maxgN = -1;
 282
 283         char * userinfo = NULL;
 284
 285         int badops=0;
 286         int ret=1;
 287         int errors=0;
 288         int verbose=0;
 289         int doupdatedb=0;
 290         char *configfile=NULL;
 291         char *dbfile=NULL;
 292         CA_DB *db=NULL;
 293         char **pp ;
 294         int i;
 295         long errorline = -1;
 296         char *randfile=NULL;
 297 #ifndef OPENSSL_NO_ENGINE
 298         char *engine = NULL;
 299 #endif
 300         char *tofree=NULL;
 301         DB_ATTR db_attr;
 302
 303 #ifdef EFENCE
 304 EF_PROTECT_FREE=1;
 305 EF_PROTECT_BELOW=1;
 306 EF_ALIGNMENT=0;
 307 #endif
 308
 309         apps_startup();
 310
 311         conf = NULL;
 312         section = NULL;
 313
 314         if (bio_err == NULL)
 315                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 316                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 317
 318         argc--;
 319         argv++;
 320         while (argc >= 1 && badops == 0)
 321                 {
 322                 if      (strcmp(*argv,"-verbose") == 0)
 323                         verbose++;
 324                 else if (strcmp(*argv,"-config") == 0)
 325                         {
 326                         if (--argc < 1) goto bad;
 327                         configfile= *(++argv);
 328                         }
 329                 else if (strcmp(*argv,"-name") == 0)
 330                         {
 331                         if (--argc < 1) goto bad;
 332                         section= *(++argv);
 333                         }
 334                 else if (strcmp(*argv,"-srpvfile") == 0)
 335                         {
 336                         if (--argc < 1) goto bad;
 337                         dbfile= *(++argv);
 338                         }
 339                 else if (strcmp(*argv,"-add") == 0)
 340                         add_user=1;
 341                 else if (strcmp(*argv,"-delete") == 0)
 342                         delete_user=1;
 343                 else if (strcmp(*argv,"-modify") == 0)
 344                         modify_user=1;
 345                 else if (strcmp(*argv,"-list") == 0)
 346                         list_user=1;
 347                 else if (strcmp(*argv,"-gn") == 0)
 348                         {
 349                         if (--argc < 1) goto bad;
 350                         gN= *(++argv);
 351                         }
 352                 else if (strcmp(*argv,"-userinfo") == 0)
 353                         {
 354                         if (--argc < 1) goto bad;
 355                         userinfo= *(++argv);
 356                         }
 357                 else if (strcmp(*argv,"-passin") == 0)
 358                         {
 359                         if (--argc < 1) goto bad;
 360                         passargin= *(++argv);
 361                         }
 362                 else if (strcmp(*argv,"-passout") == 0)
 363                         {
 364                         if (--argc < 1) goto bad;
 365                         passargout= *(++argv);
 366                         }
 367 #ifndef OPENSSL_NO_ENGINE
 368                 else if (strcmp(*argv,"-engine") == 0)
 369                         {
 370                         if (--argc < 1) goto bad;
 371                         engine= *(++argv);
 372                         }
 373 #endif
 374
 375                 else if (**argv == '-')
 376                         {
 377 bad:
 378                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 379                         badops=1;
 380                         break;
 381                         }
 382                 else
 383                         break;
 384
 385                 argc--;
 386                 argv++;
 387                 }
 388
 389         if (dbfile && configfile)
 390                 {
 391                 BIO_printf(bio_err,"-dbfile and -configfile cannot be specified together.\n");
 392                 badops = 1;
 393                 }
 394         if (add_user+delete_user+modify_user+list_user != 1)
 395                 {
 396                 BIO_printf(bio_err,"Exactly one of the options -add, -delete, -modify -list must be specified.\n");
 397                 badops = 1;
 398                 }
 399         if (delete_user+modify_user+delete_user== 1 && argc <= 0)
 400                 {
 401                 BIO_printf(bio_err,"Need at least one user for options -add, -delete, -modify. \n");
 402                 badops = 1;
 403                 }
 404         if ((passin || passout) && argc != 1 )
 405                 {
 406                 BIO_printf(bio_err,"-passin, -passout arguments only valid with one user.\n");
 407                 badops = 1;
 408                 }
 409
 410         if (badops)
 411                 {
 412                 for (pp=srp_usage; (*pp != NULL); pp++)
 413                         BIO_printf(bio_err,"%s",*pp);
 414
 415                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 416                 BIO_printf(bio_err,"                 load the file (or the files in the directory) into\n");
 417                 BIO_printf(bio_err,"                 the random number generator\n");
 418                 goto err;
 419                 }
 420
 421         ERR_load_crypto_strings();
 422
 423 #ifndef OPENSSL_NO_ENGINE
 424         setup_engine(bio_err, engine, 0);
 425 #endif
 426
 427         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout))
 428                 {
 429                 BIO_printf(bio_err, "Error getting passwords\n");
 430                 goto err;
 431                 }
 432
 433         if (!dbfile)
 434                 {
 435
 436
 437         /*****************************************************************/
 438                 tofree=NULL;
 439                 if (configfile == NULL) configfile = getenv("OPENSSL_CONF");
 440                 if (configfile == NULL) configfile = getenv("SSLEAY_CONF");
 441                 if (configfile == NULL)
 442                         {
 443                         const char *s=X509_get_default_cert_area();
 444                         size_t len;
 445
 446 #ifdef OPENSSL_SYS_VMS
 447                         len = strlen(s)+sizeof(CONFIG_FILE);
 448                         tofree=OPENSSL_malloc(len);
 449                         strcpy(tofree,s);
 450 #else
 451                         len = strlen(s)+sizeof(CONFIG_FILE)+1;
 452                         tofree=OPENSSL_malloc(len);
 453                         BUF_strlcpy(tofree,s,len);
 454                         BUF_strlcat(tofree,"/",len);
 455 #endif
 456                         BUF_strlcat(tofree,CONFIG_FILE,len);
 457                         configfile=tofree;
 458                         }
 459
 460                 VERBOSE BIO_printf(bio_err,"Using configuration from %s\n",configfile);
 461                 conf = NCONF_new(NULL);
 462                 if (NCONF_load(conf,configfile,&errorline) <= 0)
 463                         {
 464                         if (errorline <= 0)
 465                                 BIO_printf(bio_err,"error loading the config file '%s'\n",
 466                                         configfile);
 467                         else
 468                                 BIO_printf(bio_err,"error on line %ld of config file '%s'\n"
 469                                         ,errorline,configfile);
 470                         goto err;
 471                         }
 472                 if(tofree)
 473                         {
 474                         OPENSSL_free(tofree);
 475                         tofree = NULL;
 476                         }
 477
 478                 if (!load_config(bio_err, conf))
 479                         goto err;
 480
 481         /* Lets get the config section we are using */
 482                 if (section == NULL)
 483                         {
 484                         VERBOSE BIO_printf(bio_err,"trying to read " ENV_DEFAULT_SRP " in \" BASE_SECTION \"\n");
 485
 486                         section=NCONF_get_string(conf,BASE_SECTION,ENV_DEFAULT_SRP);
 487                         if (section == NULL)
 488                                 {
 489                                 lookup_fail(BASE_SECTION,ENV_DEFAULT_SRP);
 490                                 goto err;
 491                                 }
 492                         }
 493
 494                 if (randfile == NULL && conf)
 495                         randfile = NCONF_get_string(conf, BASE_SECTION, "RANDFILE");
 496
 497
 498                 VERBOSE BIO_printf(bio_err,"trying to read " ENV_DATABASE " in section \"%s\"\n",section);
 499
 500                 if ((dbfile=NCONF_get_string(conf,section,ENV_DATABASE)) == NULL)
 501                         {
 502                         lookup_fail(section,ENV_DATABASE);
 503                         goto err;
 504                         }
 505
 506                 }
 507         if (randfile == NULL)
 508                 ERR_clear_error();
 509         else
 510                 app_RAND_load_file(randfile, bio_err, 0);
 511
 512         VERBOSE BIO_printf(bio_err,"Trying to read SRP verifier file \"%s\"\n",dbfile);
 513
 514         db = load_index(dbfile, &db_attr);
 515         if (db == NULL) goto err;
 516
 517         /* Lets check some fields */
 518         for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
 519                 {
 520                 pp = sk_OPENSSL_PSTRING_value(db->db->data, i);
 521
 522                 if (pp[DB_srptype][0] == DB_SRP_INDEX)
 523                         {
 524                         maxgN = i;
 525                         if (gNindex < 0 && gN != NULL && !strcmp(gN, pp[DB_srpid]))
 526                                 gNindex = i;
 527
 528                         print_index(db, bio_err, i, verbose > 1);
 529                         }
 530                 }
 531
 532         VERBOSE BIO_printf(bio_err, "Database initialised\n");
 533
 534         if (gNindex >= 0)
 535                 {
 536                 gNrow = sk_OPENSSL_PSTRING_value(db->db->data,gNindex);
 537                 print_entry(db, bio_err, gNindex, verbose > 1, "Default g and N");
 538                 }
 539         else if (maxgN > 0 && !SRP_get_default_gN(gN))
 540                 {
 541                 BIO_printf(bio_err, "No g and N value for index \"%s\"\n", gN);
 542                 goto err;
 543                 }
 544         else
 545                 {
 546                 VERBOSE BIO_printf(bio_err, "Database has no g N information.\n");
 547                 gNrow = NULL;
 548                 }
 549
 550
 551         VVERBOSE BIO_printf(bio_err,"Starting user processing\n");
 552
 553         if (argc > 0)
 554                 user = *(argv++) ;
 555
 556         while (list_user || user)
 557                 {
 558                 int userindex = -1;
 559                 if (user)
 560                         VVERBOSE BIO_printf(bio_err, "Processing user \"%s\"\n", user);
 561                 if ((userindex = get_index(db, user, 'U')) >= 0)
 562                         {
 563                         print_user(db, bio_err, userindex, (verbose > 0) || list_user);
 564                         }
 565
 566                 if (list_user)
 567                         {
 568                         if (user == NULL)
 569                                 {
 570                                 BIO_printf(bio_err,"List all users\n");
 571
 572                                 for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
 573                                         {
 574                                         print_user(db,bio_err, i, 1);
 575                                         }
 576                                 list_user = 0;
 577                                 }
 578                         else if (userindex < 0)
 579                                 {
 580                                 BIO_printf(bio_err, "user \"%s\" does not exist, ignored. t\n",
 581                                            user);
 582                                 errors++;
 583                                 }
 584                         }
 585                 else if (add_user)
 586                         {
 587                         if (userindex >= 0)
 588                                 {
 589                                 /* reactivation of a new user */
 590                                 char **row = sk_OPENSSL_PSTRING_value(db->db->data, userindex);
 591                                 BIO_printf(bio_err, "user \"%s\" reactivated.\n", user);
 592                                 row[DB_srptype][0] = 'V';
 593
 594                                 doupdatedb = 1;
 595                                 }
 596                         else
 597                                 {
 598                                 char *row[DB_NUMBER] ; char *gNid;
 599                                 row[DB_srpverifier] = NULL;
 600                                 row[DB_srpsalt] = NULL;
 601                                 row[DB_srpinfo] = NULL;
 602                                 if (!(gNid = srp_create_user(user,&(row[DB_srpverifier]), &(row[DB_srpsalt]),gNrow?gNrow[DB_srpsalt]:gN,gNrow?gNrow[DB_srpverifier]:NULL, passout, bio_err,verbose)))
 603                                         {
 604                                                 BIO_printf(bio_err, "Cannot create srp verifier for user \"%s\", operation abandoned .\n", user);
 605                                                 errors++;
 606                                                 goto err;
 607                                         }
 608                                 row[DB_srpid] = BUF_strdup(user);
 609                                 row[DB_srptype] = BUF_strdup("v");
 610                                 row[DB_srpgN] = BUF_strdup(gNid);
 611
 612                                 if (!row[DB_srpid] || !row[DB_srpgN] || !row[DB_srptype] || !row[DB_srpverifier] || !row[DB_srpsalt] ||
 613                                         (userinfo && (!(row[DB_srpinfo] = BUF_strdup(userinfo)))) ||
 614                                         !update_index(db, bio_err, row))
 615                                         {
 616                                         if (row[DB_srpid]) OPENSSL_free(row[DB_srpid]);
 617                                         if (row[DB_srpgN]) OPENSSL_free(row[DB_srpgN]);
 618                                         if (row[DB_srpinfo]) OPENSSL_free(row[DB_srpinfo]);
 619                                         if (row[DB_srptype]) OPENSSL_free(row[DB_srptype]);
 620                                         if (row[DB_srpverifier]) OPENSSL_free(row[DB_srpverifier]);
 621                                         if (row[DB_srpsalt]) OPENSSL_free(row[DB_srpsalt]);
 622                                         goto err;
 623                                         }
 624                                 doupdatedb = 1;
 625                                 }
 626                         }
 627                 else if (modify_user)
 628                         {
 629                         if (userindex < 0)
 630                                 {
 631                                 BIO_printf(bio_err,"user \"%s\" does not exist, operation ignored.\n",user);
 632                                 errors++;
 633                                 }
 634                         else
 635                                 {
 636
 637                                 char **row = sk_OPENSSL_PSTRING_value(db->db->data, userindex);
 638                                 char type = row[DB_srptype][0];
 639                                 if (type == 'v')
 640                                         {
 641                                         BIO_printf(bio_err,"user \"%s\" already updated, operation ignored.\n",user);
 642                                         errors++;
 643                                         }
 644                                 else
 645                                         {
 646                                         char *gNid;
 647
 648                                         if (row[DB_srptype][0] == 'V')
 649                                                 {
 650                                                 int user_gN;
 651                                                 char **irow = NULL;
 652                                                 VERBOSE BIO_printf(bio_err,"Verifying password for user \"%s\"\n",user);
 653                                                 if ( (user_gN = get_index(db, row[DB_srpgN], DB_SRP_INDEX)) >= 0)
 654                                                         irow = (char **)sk_OPENSSL_PSTRING_value(db->db->data, userindex);
 655
 656                                                 if (!srp_verify_user(user, row[DB_srpverifier], row[DB_srpsalt], irow ? irow[DB_srpsalt] : row[DB_srpgN], irow ? irow[DB_srpverifier] : NULL, passin, bio_err, verbose))
 657                                                         {
 658                                                         BIO_printf(bio_err, "Invalid password for user \"%s\", operation abandoned.\n", user);
 659                                                         errors++;
 660                                                         goto err;
 661                                                         }
 662                                                 }
 663                                         VERBOSE BIO_printf(bio_err,"Password for user \"%s\" ok.\n",user);
 664
 665                                         if (!(gNid=srp_create_user(user,&(row[DB_srpverifier]), &(row[DB_srpsalt]),gNrow?gNrow[DB_srpsalt]:NULL, gNrow?gNrow[DB_srpverifier]:NULL, passout, bio_err,verbose)))
 666                                                 {
 667                                                 BIO_printf(bio_err, "Cannot create srp verifier for user \"%s\", operation abandoned.\n", user);
 668                                                 errors++;
 669                                                 goto err;
 670                                                 }
 671
 672                                         row[DB_srptype][0] = 'v';
 673                                         row[DB_srpgN] = BUF_strdup(gNid);
 674
 675                                         if (!row[DB_srpid] || !row[DB_srpgN] || !row[DB_srptype] || !row[DB_srpverifier] || !row[DB_srpsalt] ||
 676                                                 (userinfo && (!(row[DB_srpinfo] = BUF_strdup(userinfo)))))
 677                                                 goto err;
 678
 679                                         doupdatedb = 1;
 680                                         }
 681                                 }
 682                         }
 683                 else if (delete_user)
 684                         {
 685                         if (userindex < 0)
 686                                 {
 687                                 BIO_printf(bio_err, "user \"%s\" does not exist, operation ignored. t\n", user);
 688                                 errors++;
 689                                 }
 690                         else
 691                                 {
 692                                 char **xpp = sk_OPENSSL_PSTRING_value(db->db->data,userindex);
 693                                 BIO_printf(bio_err, "user \"%s\" revoked. t\n", user);
 694
 695                                 xpp[DB_srptype][0] = 'R';
 696
 697                                 doupdatedb = 1;
 698                                 }
 699                         }
 700                 if (--argc > 0)
 701                         user = *(argv++) ;
 702                 else
 703                         {
 704                         user = NULL;
 705                         list_user = 0;
 706                         }
 707                 }
 708
 709         VERBOSE BIO_printf(bio_err,"User procession done.\n");
 710
 711
 712         if (doupdatedb)
 713                 {
 714                 /* Lets check some fields */
 715                 for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++)
 716                         {
 717                         pp = sk_OPENSSL_PSTRING_value(db->db->data,i);
 718
 719                         if (pp[DB_srptype][0] == 'v')
 720                                 {
 721                                 pp[DB_srptype][0] = 'V';
 722                                 print_user(db, bio_err, i, verbose);
 723                                 }
 724                         }
 725
 726                 VERBOSE BIO_printf(bio_err, "Trying to update srpvfile.\n");
 727                 if (!save_index(dbfile, "new", db)) goto err;
 728
 729                 VERBOSE BIO_printf(bio_err, "Temporary srpvfile created.\n");
 730                 if (!rotate_index(dbfile, "new", "old")) goto err;
 731
 732                 VERBOSE BIO_printf(bio_err, "srpvfile updated.\n");
 733                 }
 734
 735         ret = (errors != 0);
 736 err:
 737         if (errors != 0)
 738         VERBOSE BIO_printf(bio_err,"User errors %d.\n",errors);
 739
 740         VERBOSE BIO_printf(bio_err,"SRP terminating with code %d.\n",ret);
 741         if(tofree)
 742                 OPENSSL_free(tofree);
 743         if (ret) ERR_print_errors(bio_err);
 744         if (randfile) app_RAND_write_file(randfile, bio_err);
 745         if (conf) NCONF_free(conf);
 746         if (db) free_index(db);
 747
 748         OBJ_cleanup();
 749         apps_shutdown();
 750         OPENSSL_EXIT(ret);
 751         }
 752
 753
 754
 755 #endif
 756