1 /* apps/srp.c */ 2 /* 3 * Written by Peter Sylvester (peter.sylvester@edelweb.fr) for the EdelKey 4 * project and contributed to the OpenSSL project 2004. 5 */ 6 /* ==================================================================== 7 * Copyright (c) 2004 The OpenSSL Project. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. All advertising materials mentioning features or use of this 22 * software must display the following acknowledgment: 23 * "This product includes software developed by the OpenSSL Project 24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25 * 26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27 * endorse or promote products derived from this software without 28 * prior written permission. For written permission, please contact 29 * licensing@OpenSSL.org. 30 * 31 * 5. Products derived from this software may not be called "OpenSSL" 32 * nor may "OpenSSL" appear in their names without prior written 33 * permission of the OpenSSL Project. 34 * 35 * 6. Redistributions of any form whatsoever must retain the following 36 * acknowledgment: 37 * "This product includes software developed by the OpenSSL Project 38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51 * OF THE POSSIBILITY OF SUCH DAMAGE. 52 * ==================================================================== 53 * 54 * This product includes cryptographic software written by Eric Young 55 * (eay@cryptsoft.com). This product includes software written by Tim 56 * Hudson (tjh@cryptsoft.com). 57 * 58 */ 59 #include <openssl/opensslconf.h> 60 61 #ifndef OPENSSL_NO_SRP 62 # include <stdio.h> 63 # include <stdlib.h> 64 # include <string.h> 65 # include <openssl/conf.h> 66 # include <openssl/bio.h> 67 # include <openssl/err.h> 68 # include <openssl/txt_db.h> 69 # include <openssl/buffer.h> 70 # include <openssl/srp.h> 71 72 # include "apps.h" 73 74 # undef PROG 75 # define PROG srp_main 76 77 # define BASE_SECTION "srp" 78 # define CONFIG_FILE "openssl.cnf" 79 80 # define ENV_RANDFILE "RANDFILE" 81 82 # define ENV_DATABASE "srpvfile" 83 # define ENV_DEFAULT_SRP "default_srp" 84 85 static char *srp_usage[] = { 86 "usage: srp [args] [user] \n", 87 "\n", 88 " -verbose Talk alot while doing things\n", 89 " -config file A config file\n", 90 " -name arg The particular srp definition to use\n", 91 " -srpvfile arg The srp verifier file name\n", 92 " -add add an user and srp verifier\n", 93 " -modify modify the srp verifier of an existing user\n", 94 " -delete delete user from verifier file\n", 95 " -list list user\n", 96 " -gn arg g and N values to be used for new verifier\n", 97 " -userinfo arg additional info to be set for user\n", 98 " -passin arg input file pass phrase source\n", 99 " -passout arg output file pass phrase source\n", 100 # ifndef OPENSSL_NO_ENGINE 101 " -engine e - use engine e, possibly a hardware device.\n", 102 # endif 103 NULL 104 }; 105 106 # ifdef EFENCE 107 extern int EF_PROTECT_FREE; 108 extern int EF_PROTECT_BELOW; 109 extern int EF_ALIGNMENT; 110 # endif 111 112 static CONF *conf = NULL; 113 static char *section = NULL; 114 115 # define VERBOSE if (verbose) 116 # define VVERBOSE if (verbose>1) 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) 125 return -1; 126 if (type == DB_SRP_INDEX) 127 for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) { 128 pp = sk_OPENSSL_PSTRING_value(db->db->data, i); 129 if (pp[DB_srptype][0] == DB_SRP_INDEX 130 && !strcmp(id, pp[DB_srpid])) 131 return i; 132 } else 133 for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) { 134 pp = sk_OPENSSL_PSTRING_value(db->db->data, i); 135 136 if (pp[DB_srptype][0] != DB_SRP_INDEX 137 && !strcmp(id, pp[DB_srpid])) 138 return i; 139 } 140 141 return -1; 142 } 143 144 static void print_entry(CA_DB *db, BIO *bio, int indx, int verbose, char *s) 145 { 146 if (indx >= 0 && verbose) { 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 BIO_printf(bio_err, " %d = \"%s\"\n", j, pp[j]); 152 } 153 } 154 } 155 156 static void print_index(CA_DB *db, BIO *bio, int indexindex, int verbose) 157 { 158 print_entry(db, bio, indexindex, verbose, "g N entry"); 159 } 160 161 static void print_user(CA_DB *db, BIO *bio, int userindex, int verbose) 162 { 163 if (verbose > 0) { 164 char **pp = sk_OPENSSL_PSTRING_value(db->db->data, userindex); 165 166 if (pp[DB_srptype][0] != 'I') { 167 print_entry(db, bio, userindex, verbose, "User entry"); 168 print_entry(db, bio, get_index(db, pp[DB_srpgN], 'I'), verbose, 169 "g N entry"); 170 } 171 172 } 173 } 174 175 static int update_index(CA_DB *db, BIO *bio, char **row) 176 { 177 char **irow; 178 int i; 179 180 if ((irow = 181 (char **)OPENSSL_malloc(sizeof(char *) * (DB_NUMBER + 1))) == NULL) { 182 BIO_printf(bio_err, "Memory allocation failure\n"); 183 return 0; 184 } 185 186 for (i = 0; i < DB_NUMBER; i++) { 187 irow[i] = row[i]; 188 row[i] = NULL; 189 } 190 irow[DB_NUMBER] = NULL; 191 192 if (!TXT_DB_insert(db->db, irow)) { 193 BIO_printf(bio, "failed to update srpvfile\n"); 194 BIO_printf(bio, "TXT_DB error number %ld\n", db->db->error); 195 OPENSSL_free(irow); 196 return 0; 197 } 198 return 1; 199 } 200 201 static void lookup_fail(const char *name, char *tag) 202 { 203 BIO_printf(bio_err, "variable lookup failed for %s::%s\n", name, tag); 204 } 205 206 static char *srp_verify_user(const char *user, const char *srp_verifier, 207 char *srp_usersalt, const char *g, const char *N, 208 const char *passin, BIO *bio, int verbose) 209 { 210 char password[1024]; 211 PW_CB_DATA cb_tmp; 212 char *verifier = NULL; 213 char *gNid = NULL; 214 215 cb_tmp.prompt_info = user; 216 cb_tmp.password = passin; 217 218 if (password_callback(password, 1024, 0, &cb_tmp) > 0) { 219 VERBOSE BIO_printf(bio, 220 "Validating\n user=\"%s\"\n srp_verifier=\"%s\"\n srp_usersalt=\"%s\"\n g=\"%s\"\n N=\"%s\"\n", 221 user, srp_verifier, srp_usersalt, g, N); 222 BIO_printf(bio, "Pass %s\n", password); 223 224 if (! 225 (gNid = 226 SRP_create_verifier(user, password, &srp_usersalt, &verifier, N, 227 g))) { 228 BIO_printf(bio, "Internal error validating SRP verifier\n"); 229 } else { 230 if (strcmp(verifier, srp_verifier)) 231 gNid = NULL; 232 OPENSSL_free(verifier); 233 } 234 } 235 return gNid; 236 } 237 238 static char *srp_create_user(char *user, char **srp_verifier, 239 char **srp_usersalt, char *g, char *N, 240 char *passout, BIO *bio, int verbose) 241 { 242 char password[1024]; 243 PW_CB_DATA cb_tmp; 244 char *gNid = NULL; 245 char *salt = NULL; 246 cb_tmp.prompt_info = user; 247 cb_tmp.password = passout; 248 249 if (password_callback(password, 1024, 1, &cb_tmp) > 0) { 250 VERBOSE BIO_printf(bio, 251 "Creating\n user=\"%s\"\n g=\"%s\"\n N=\"%s\"\n", 252 user, g, N); 253 if (! 254 (gNid = 255 SRP_create_verifier(user, password, &salt, srp_verifier, N, 256 g))) { 257 BIO_printf(bio, "Internal error creating SRP verifier\n"); 258 } else 259 *srp_usersalt = salt; 260 VVERBOSE BIO_printf(bio, "gNid=%s salt =\"%s\"\n verifier =\"%s\"\n", 261 gNid, salt, *srp_verifier); 262 263 } 264 return gNid; 265 } 266 267 int MAIN(int argc, char **argv) 268 { 269 int add_user = 0; 270 int list_user = 0; 271 int delete_user = 0; 272 int modify_user = 0; 273 char *user = NULL; 274 275 char *passargin = NULL, *passargout = NULL; 276 char *passin = NULL, *passout = NULL; 277 char *gN = NULL; 278 int gNindex = -1; 279 char **gNrow = NULL; 280 int maxgN = -1; 281 282 char *userinfo = NULL; 283 284 int badops = 0; 285 int ret = 1; 286 int errors = 0; 287 int verbose = 0; 288 int doupdatedb = 0; 289 char *configfile = NULL; 290 char *dbfile = NULL; 291 CA_DB *db = NULL; 292 char **pp; 293 int i; 294 long errorline = -1; 295 char *randfile = NULL; 296 # ifndef OPENSSL_NO_ENGINE 297 char *engine = NULL; 298 # endif 299 char *tofree = NULL; 300 DB_ATTR db_attr; 301 302 # ifdef EFENCE 303 EF_PROTECT_FREE = 1; 304 EF_PROTECT_BELOW = 1; 305 EF_ALIGNMENT = 0; 306 # endif 307 308 apps_startup(); 309 310 conf = NULL; 311 section = NULL; 312 313 if (bio_err == NULL) 314 if ((bio_err = BIO_new(BIO_s_file())) != NULL) 315 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); 316 317 argc--; 318 argv++; 319 while (argc >= 1 && badops == 0) { 320 if (strcmp(*argv, "-verbose") == 0) 321 verbose++; 322 else if (strcmp(*argv, "-config") == 0) { 323 if (--argc < 1) 324 goto bad; 325 configfile = *(++argv); 326 } else if (strcmp(*argv, "-name") == 0) { 327 if (--argc < 1) 328 goto bad; 329 section = *(++argv); 330 } else if (strcmp(*argv, "-srpvfile") == 0) { 331 if (--argc < 1) 332 goto bad; 333 dbfile = *(++argv); 334 } else if (strcmp(*argv, "-add") == 0) 335 add_user = 1; 336 else if (strcmp(*argv, "-delete") == 0) 337 delete_user = 1; 338 else if (strcmp(*argv, "-modify") == 0) 339 modify_user = 1; 340 else if (strcmp(*argv, "-list") == 0) 341 list_user = 1; 342 else if (strcmp(*argv, "-gn") == 0) { 343 if (--argc < 1) 344 goto bad; 345 gN = *(++argv); 346 } else if (strcmp(*argv, "-userinfo") == 0) { 347 if (--argc < 1) 348 goto bad; 349 userinfo = *(++argv); 350 } else if (strcmp(*argv, "-passin") == 0) { 351 if (--argc < 1) 352 goto bad; 353 passargin = *(++argv); 354 } else if (strcmp(*argv, "-passout") == 0) { 355 if (--argc < 1) 356 goto bad; 357 passargout = *(++argv); 358 } 359 # ifndef OPENSSL_NO_ENGINE 360 else if (strcmp(*argv, "-engine") == 0) { 361 if (--argc < 1) 362 goto bad; 363 engine = *(++argv); 364 } 365 # endif 366 367 else if (**argv == '-') { 368 bad: 369 BIO_printf(bio_err, "unknown option %s\n", *argv); 370 badops = 1; 371 break; 372 } else 373 break; 374 375 argc--; 376 argv++; 377 } 378 379 if (dbfile && configfile) { 380 BIO_printf(bio_err, 381 "-dbfile and -configfile cannot be specified together.\n"); 382 badops = 1; 383 } 384 if (add_user + delete_user + modify_user + list_user != 1) { 385 BIO_printf(bio_err, 386 "Exactly one of the options -add, -delete, -modify -list must be specified.\n"); 387 badops = 1; 388 } 389 if (delete_user + modify_user + delete_user == 1 && argc <= 0) { 390 BIO_printf(bio_err, 391 "Need at least one user for options -add, -delete, -modify. \n"); 392 badops = 1; 393 } 394 if ((passin || passout) && argc != 1) { 395 BIO_printf(bio_err, 396 "-passin, -passout arguments only valid with one user.\n"); 397 badops = 1; 398 } 399 400 if (badops) { 401 for (pp = srp_usage; (*pp != NULL); pp++) 402 BIO_printf(bio_err, "%s", *pp); 403 404 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, 405 LIST_SEPARATOR_CHAR); 406 BIO_printf(bio_err, 407 " load the file (or the files in the directory) into\n"); 408 BIO_printf(bio_err, " the random number generator\n"); 409 goto err; 410 } 411 412 ERR_load_crypto_strings(); 413 414 # ifndef OPENSSL_NO_ENGINE 415 setup_engine(bio_err, engine, 0); 416 # endif 417 418 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 419 BIO_printf(bio_err, "Error getting passwords\n"); 420 goto err; 421 } 422 423 if (!dbfile) { 424 425 /*****************************************************************/ 426 tofree = NULL; 427 if (configfile == NULL) 428 configfile = getenv("OPENSSL_CONF"); 429 if (configfile == NULL) 430 configfile = getenv("SSLEAY_CONF"); 431 if (configfile == NULL) { 432 const char *s = X509_get_default_cert_area(); 433 size_t len; 434 435 # ifdef OPENSSL_SYS_VMS 436 len = strlen(s) + sizeof(CONFIG_FILE); 437 tofree = OPENSSL_malloc(len); 438 if (!tofree) { 439 BIO_printf(bio_err, "Out of memory\n"); 440 goto err; 441 } 442 strcpy(tofree, s); 443 # else 444 len = strlen(s) + sizeof(CONFIG_FILE) + 1; 445 tofree = OPENSSL_malloc(len); 446 if (!tofree) { 447 BIO_printf(bio_err, "Out of memory\n"); 448 goto err; 449 } 450 BUF_strlcpy(tofree, s, len); 451 BUF_strlcat(tofree, "/", len); 452 # endif 453 BUF_strlcat(tofree, CONFIG_FILE, len); 454 configfile = tofree; 455 } 456 457 VERBOSE BIO_printf(bio_err, "Using configuration from %s\n", 458 configfile); 459 conf = NCONF_new(NULL); 460 if (NCONF_load(conf, configfile, &errorline) <= 0) { 461 if (errorline <= 0) 462 BIO_printf(bio_err, "error loading the config file '%s'\n", 463 configfile); 464 else 465 BIO_printf(bio_err, "error on line %ld of config file '%s'\n", 466 errorline, configfile); 467 goto err; 468 } 469 if (tofree) { 470 OPENSSL_free(tofree); 471 tofree = NULL; 472 } 473 474 if (!load_config(bio_err, conf)) 475 goto err; 476 477 /* Lets get the config section we are using */ 478 if (section == NULL) { 479 VERBOSE BIO_printf(bio_err, 480 "trying to read " ENV_DEFAULT_SRP 481 " in \" BASE_SECTION \"\n"); 482 483 section = NCONF_get_string(conf, BASE_SECTION, ENV_DEFAULT_SRP); 484 if (section == NULL) { 485 lookup_fail(BASE_SECTION, ENV_DEFAULT_SRP); 486 goto err; 487 } 488 } 489 490 if (randfile == NULL && conf) 491 randfile = NCONF_get_string(conf, BASE_SECTION, "RANDFILE"); 492 493 VERBOSE BIO_printf(bio_err, 494 "trying to read " ENV_DATABASE 495 " in section \"%s\"\n", section); 496 497 if ((dbfile = NCONF_get_string(conf, section, ENV_DATABASE)) == NULL) { 498 lookup_fail(section, ENV_DATABASE); 499 goto err; 500 } 501 502 } 503 if (randfile == NULL) 504 ERR_clear_error(); 505 else 506 app_RAND_load_file(randfile, bio_err, 0); 507 508 VERBOSE BIO_printf(bio_err, "Trying to read SRP verifier file \"%s\"\n", 509 dbfile); 510 511 db = load_index(dbfile, &db_attr); 512 if (db == NULL) 513 goto err; 514 515 /* Lets check some fields */ 516 for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) { 517 pp = sk_OPENSSL_PSTRING_value(db->db->data, i); 518 519 if (pp[DB_srptype][0] == DB_SRP_INDEX) { 520 maxgN = i; 521 if (gNindex < 0 && gN != NULL && !strcmp(gN, pp[DB_srpid])) 522 gNindex = i; 523 524 print_index(db, bio_err, i, verbose > 1); 525 } 526 } 527 528 VERBOSE BIO_printf(bio_err, "Database initialised\n"); 529 530 if (gNindex >= 0) { 531 gNrow = sk_OPENSSL_PSTRING_value(db->db->data, gNindex); 532 print_entry(db, bio_err, gNindex, verbose > 1, "Default g and N"); 533 } else if (maxgN > 0 && !SRP_get_default_gN(gN)) { 534 BIO_printf(bio_err, "No g and N value for index \"%s\"\n", gN); 535 goto err; 536 } else { 537 VERBOSE BIO_printf(bio_err, "Database has no g N information.\n"); 538 gNrow = NULL; 539 } 540 541 VVERBOSE BIO_printf(bio_err, "Starting user processing\n"); 542 543 if (argc > 0) 544 user = *(argv++); 545 546 while (list_user || user) { 547 int userindex = -1; 548 if (user) 549 VVERBOSE BIO_printf(bio_err, "Processing user \"%s\"\n", user); 550 if ((userindex = get_index(db, user, 'U')) >= 0) { 551 print_user(db, bio_err, userindex, (verbose > 0) || list_user); 552 } 553 554 if (list_user) { 555 if (user == NULL) { 556 BIO_printf(bio_err, "List all users\n"); 557 558 for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) { 559 print_user(db, bio_err, i, 1); 560 } 561 list_user = 0; 562 } else if (userindex < 0) { 563 BIO_printf(bio_err, 564 "user \"%s\" does not exist, ignored. t\n", user); 565 errors++; 566 } 567 } else if (add_user) { 568 if (userindex >= 0) { 569 /* reactivation of a new user */ 570 char **row = 571 sk_OPENSSL_PSTRING_value(db->db->data, userindex); 572 BIO_printf(bio_err, "user \"%s\" reactivated.\n", user); 573 row[DB_srptype][0] = 'V'; 574 575 doupdatedb = 1; 576 } else { 577 char *row[DB_NUMBER]; 578 char *gNid; 579 row[DB_srpverifier] = NULL; 580 row[DB_srpsalt] = NULL; 581 row[DB_srpinfo] = NULL; 582 if (! 583 (gNid = 584 srp_create_user(user, &(row[DB_srpverifier]), 585 &(row[DB_srpsalt]), 586 gNrow ? gNrow[DB_srpsalt] : gN, 587 gNrow ? gNrow[DB_srpverifier] : NULL, 588 passout, bio_err, verbose))) { 589 BIO_printf(bio_err, 590 "Cannot create srp verifier for user \"%s\", operation abandoned .\n", 591 user); 592 errors++; 593 goto err; 594 } 595 row[DB_srpid] = BUF_strdup(user); 596 row[DB_srptype] = BUF_strdup("v"); 597 row[DB_srpgN] = BUF_strdup(gNid); 598 599 if (!row[DB_srpid] || !row[DB_srpgN] || !row[DB_srptype] 600 || !row[DB_srpverifier] || !row[DB_srpsalt] || (userinfo 601 && 602 (!(row 603 [DB_srpinfo] 604 = 605 BUF_strdup 606 (userinfo)))) 607 || !update_index(db, bio_err, row)) { 608 if (row[DB_srpid]) 609 OPENSSL_free(row[DB_srpid]); 610 if (row[DB_srpgN]) 611 OPENSSL_free(row[DB_srpgN]); 612 if (row[DB_srpinfo]) 613 OPENSSL_free(row[DB_srpinfo]); 614 if (row[DB_srptype]) 615 OPENSSL_free(row[DB_srptype]); 616 if (row[DB_srpverifier]) 617 OPENSSL_free(row[DB_srpverifier]); 618 if (row[DB_srpsalt]) 619 OPENSSL_free(row[DB_srpsalt]); 620 goto err; 621 } 622 doupdatedb = 1; 623 } 624 } else if (modify_user) { 625 if (userindex < 0) { 626 BIO_printf(bio_err, 627 "user \"%s\" does not exist, operation ignored.\n", 628 user); 629 errors++; 630 } else { 631 632 char **row = 633 sk_OPENSSL_PSTRING_value(db->db->data, userindex); 634 char type = row[DB_srptype][0]; 635 if (type == 'v') { 636 BIO_printf(bio_err, 637 "user \"%s\" already updated, operation ignored.\n", 638 user); 639 errors++; 640 } else { 641 char *gNid; 642 643 if (row[DB_srptype][0] == 'V') { 644 int user_gN; 645 char **irow = NULL; 646 VERBOSE BIO_printf(bio_err, 647 "Verifying password for user \"%s\"\n", 648 user); 649 if ((user_gN = 650 get_index(db, row[DB_srpgN], DB_SRP_INDEX)) >= 0) 651 irow = 652 (char **)sk_OPENSSL_PSTRING_value(db-> 653 db->data, 654 userindex); 655 656 if (!srp_verify_user 657 (user, row[DB_srpverifier], row[DB_srpsalt], 658 irow ? irow[DB_srpsalt] : row[DB_srpgN], 659 irow ? irow[DB_srpverifier] : NULL, passin, 660 bio_err, verbose)) { 661 BIO_printf(bio_err, 662 "Invalid password for user \"%s\", operation abandoned.\n", 663 user); 664 errors++; 665 goto err; 666 } 667 } 668 VERBOSE BIO_printf(bio_err, 669 "Password for user \"%s\" ok.\n", 670 user); 671 672 if (! 673 (gNid = 674 srp_create_user(user, &(row[DB_srpverifier]), 675 &(row[DB_srpsalt]), 676 gNrow ? gNrow[DB_srpsalt] : NULL, 677 gNrow ? gNrow[DB_srpverifier] : NULL, 678 passout, bio_err, verbose))) { 679 BIO_printf(bio_err, 680 "Cannot create srp verifier for user \"%s\", operation abandoned.\n", 681 user); 682 errors++; 683 goto err; 684 } 685 686 row[DB_srptype][0] = 'v'; 687 row[DB_srpgN] = BUF_strdup(gNid); 688 689 if (!row[DB_srpid] || !row[DB_srpgN] || !row[DB_srptype] 690 || !row[DB_srpverifier] || !row[DB_srpsalt] 691 || (userinfo 692 && (!(row[DB_srpinfo] = BUF_strdup(userinfo))))) 693 goto err; 694 695 doupdatedb = 1; 696 } 697 } 698 } else if (delete_user) { 699 if (userindex < 0) { 700 BIO_printf(bio_err, 701 "user \"%s\" does not exist, operation ignored. t\n", 702 user); 703 errors++; 704 } else { 705 char **xpp = 706 sk_OPENSSL_PSTRING_value(db->db->data, userindex); 707 BIO_printf(bio_err, "user \"%s\" revoked. t\n", user); 708 709 xpp[DB_srptype][0] = 'R'; 710 711 doupdatedb = 1; 712 } 713 } 714 if (--argc > 0) 715 user = *(argv++); 716 else { 717 user = NULL; 718 list_user = 0; 719 } 720 } 721 722 VERBOSE BIO_printf(bio_err, "User procession done.\n"); 723 724 if (doupdatedb) { 725 /* Lets check some fields */ 726 for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) { 727 pp = sk_OPENSSL_PSTRING_value(db->db->data, i); 728 729 if (pp[DB_srptype][0] == 'v') { 730 pp[DB_srptype][0] = 'V'; 731 print_user(db, bio_err, i, verbose); 732 } 733 } 734 735 VERBOSE BIO_printf(bio_err, "Trying to update srpvfile.\n"); 736 if (!save_index(dbfile, "new", db)) 737 goto err; 738 739 VERBOSE BIO_printf(bio_err, "Temporary srpvfile created.\n"); 740 if (!rotate_index(dbfile, "new", "old")) 741 goto err; 742 743 VERBOSE BIO_printf(bio_err, "srpvfile updated.\n"); 744 } 745 746 ret = (errors != 0); 747 err: 748 if (errors != 0) 749 VERBOSE BIO_printf(bio_err, "User errors %d.\n", errors); 750 751 VERBOSE BIO_printf(bio_err, "SRP terminating with code %d.\n", ret); 752 if (tofree) 753 OPENSSL_free(tofree); 754 if (ret) 755 ERR_print_errors(bio_err); 756 if (randfile) 757 app_RAND_write_file(randfile, bio_err); 758 if (conf) 759 NCONF_free(conf); 760 if (db) 761 free_index(db); 762 763 OBJ_cleanup(); 764 apps_shutdown(); 765 OPENSSL_EXIT(ret); 766 } 767 768 #else 769 static void *dummy = &dummy; 770 #endif 771