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 irow[DB_NUMBER] = NULL; 189 190 if (!TXT_DB_insert(db->db, irow)) { 191 BIO_printf(bio, "failed to update srpvfile\n"); 192 BIO_printf(bio, "TXT_DB error number %ld\n", db->db->error); 193 OPENSSL_free(irow); 194 return 0; 195 } 196 return 1; 197 } 198 199 static void lookup_fail(const char *name, char *tag) 200 { 201 BIO_printf(bio_err, "variable lookup failed for %s::%s\n", name, tag); 202 } 203 204 static char *srp_verify_user(const char *user, const char *srp_verifier, 205 char *srp_usersalt, const char *g, const char *N, 206 const char *passin, BIO *bio, int verbose) 207 { 208 char password[1024]; 209 PW_CB_DATA cb_tmp; 210 char *verifier = NULL; 211 char *gNid = NULL; 212 213 cb_tmp.prompt_info = user; 214 cb_tmp.password = passin; 215 216 if (password_callback(password, 1024, 0, &cb_tmp) > 0) { 217 VERBOSE BIO_printf(bio, 218 "Validating\n user=\"%s\"\n srp_verifier=\"%s\"\n srp_usersalt=\"%s\"\n g=\"%s\"\n N=\"%s\"\n", 219 user, srp_verifier, srp_usersalt, g, N); 220 BIO_printf(bio, "Pass %s\n", password); 221 222 if (! 223 (gNid = 224 SRP_create_verifier(user, password, &srp_usersalt, &verifier, N, 225 g))) { 226 BIO_printf(bio, "Internal error validating SRP verifier\n"); 227 } else { 228 if (strcmp(verifier, srp_verifier)) 229 gNid = NULL; 230 OPENSSL_free(verifier); 231 } 232 } 233 return gNid; 234 } 235 236 static char *srp_create_user(char *user, char **srp_verifier, 237 char **srp_usersalt, char *g, char *N, 238 char *passout, BIO *bio, int verbose) 239 { 240 char password[1024]; 241 PW_CB_DATA cb_tmp; 242 char *gNid = NULL; 243 char *salt = NULL; 244 cb_tmp.prompt_info = user; 245 cb_tmp.password = passout; 246 247 if (password_callback(password, 1024, 1, &cb_tmp) > 0) { 248 VERBOSE BIO_printf(bio, 249 "Creating\n user=\"%s\"\n g=\"%s\"\n N=\"%s\"\n", 250 user, g, N); 251 if (! 252 (gNid = 253 SRP_create_verifier(user, password, &salt, srp_verifier, N, 254 g))) { 255 BIO_printf(bio, "Internal error creating SRP verifier\n"); 256 } else 257 *srp_usersalt = salt; 258 VVERBOSE BIO_printf(bio, "gNid=%s salt =\"%s\"\n verifier =\"%s\"\n", 259 gNid, salt, *srp_verifier); 260 261 } 262 return gNid; 263 } 264 265 int MAIN(int argc, char **argv) 266 { 267 int add_user = 0; 268 int list_user = 0; 269 int delete_user = 0; 270 int modify_user = 0; 271 char *user = NULL; 272 273 char *passargin = NULL, *passargout = NULL; 274 char *passin = NULL, *passout = NULL; 275 char *gN = NULL; 276 int gNindex = -1; 277 char **gNrow = NULL; 278 int maxgN = -1; 279 280 char *userinfo = NULL; 281 282 int badops = 0; 283 int ret = 1; 284 int errors = 0; 285 int verbose = 0; 286 int doupdatedb = 0; 287 char *configfile = NULL; 288 char *dbfile = NULL; 289 CA_DB *db = NULL; 290 char **pp; 291 int i; 292 long errorline = -1; 293 char *randfile = NULL; 294 ENGINE *e = NULL; 295 char *engine = NULL; 296 char *tofree = NULL; 297 DB_ATTR db_attr; 298 299 # ifdef EFENCE 300 EF_PROTECT_FREE = 1; 301 EF_PROTECT_BELOW = 1; 302 EF_ALIGNMENT = 0; 303 # endif 304 305 apps_startup(); 306 307 conf = NULL; 308 section = NULL; 309 310 if (bio_err == NULL) 311 if ((bio_err = BIO_new(BIO_s_file())) != NULL) 312 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); 313 314 argc--; 315 argv++; 316 while (argc >= 1 && badops == 0) { 317 if (strcmp(*argv, "-verbose") == 0) 318 verbose++; 319 else if (strcmp(*argv, "-config") == 0) { 320 if (--argc < 1) 321 goto bad; 322 configfile = *(++argv); 323 } else if (strcmp(*argv, "-name") == 0) { 324 if (--argc < 1) 325 goto bad; 326 section = *(++argv); 327 } else if (strcmp(*argv, "-srpvfile") == 0) { 328 if (--argc < 1) 329 goto bad; 330 dbfile = *(++argv); 331 } else if (strcmp(*argv, "-add") == 0) 332 add_user = 1; 333 else if (strcmp(*argv, "-delete") == 0) 334 delete_user = 1; 335 else if (strcmp(*argv, "-modify") == 0) 336 modify_user = 1; 337 else if (strcmp(*argv, "-list") == 0) 338 list_user = 1; 339 else if (strcmp(*argv, "-gn") == 0) { 340 if (--argc < 1) 341 goto bad; 342 gN = *(++argv); 343 } else if (strcmp(*argv, "-userinfo") == 0) { 344 if (--argc < 1) 345 goto bad; 346 userinfo = *(++argv); 347 } else if (strcmp(*argv, "-passin") == 0) { 348 if (--argc < 1) 349 goto bad; 350 passargin = *(++argv); 351 } else if (strcmp(*argv, "-passout") == 0) { 352 if (--argc < 1) 353 goto bad; 354 passargout = *(++argv); 355 } 356 # ifndef OPENSSL_NO_ENGINE 357 else if (strcmp(*argv, "-engine") == 0) { 358 if (--argc < 1) 359 goto bad; 360 engine = *(++argv); 361 } 362 # endif 363 364 else if (**argv == '-') { 365 bad: 366 BIO_printf(bio_err, "unknown option %s\n", *argv); 367 badops = 1; 368 break; 369 } else 370 break; 371 372 argc--; 373 argv++; 374 } 375 376 if (dbfile && configfile) { 377 BIO_printf(bio_err, 378 "-dbfile and -configfile cannot be specified together.\n"); 379 badops = 1; 380 } 381 if (add_user + delete_user + modify_user + list_user != 1) { 382 BIO_printf(bio_err, 383 "Exactly one of the options -add, -delete, -modify -list must be specified.\n"); 384 badops = 1; 385 } 386 if (delete_user + modify_user + delete_user == 1 && argc <= 0) { 387 BIO_printf(bio_err, 388 "Need at least one user for options -add, -delete, -modify. \n"); 389 badops = 1; 390 } 391 if ((passin || passout) && argc != 1) { 392 BIO_printf(bio_err, 393 "-passin, -passout arguments only valid with one user.\n"); 394 badops = 1; 395 } 396 397 if (badops) { 398 for (pp = srp_usage; (*pp != NULL); pp++) 399 BIO_printf(bio_err, "%s", *pp); 400 401 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, 402 LIST_SEPARATOR_CHAR); 403 BIO_printf(bio_err, 404 " load the file (or the files in the directory) into\n"); 405 BIO_printf(bio_err, " the random number generator\n"); 406 goto err; 407 } 408 409 ERR_load_crypto_strings(); 410 411 e = setup_engine(bio_err, engine, 0); 412 413 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 414 BIO_printf(bio_err, "Error getting passwords\n"); 415 goto err; 416 } 417 418 if (!dbfile) { 419 420 /*****************************************************************/ 421 tofree = NULL; 422 if (configfile == NULL) 423 configfile = getenv("OPENSSL_CONF"); 424 if (configfile == NULL) 425 configfile = getenv("SSLEAY_CONF"); 426 if (configfile == NULL) { 427 const char *s = X509_get_default_cert_area(); 428 size_t len; 429 430 # ifdef OPENSSL_SYS_VMS 431 len = strlen(s) + sizeof(CONFIG_FILE); 432 tofree = OPENSSL_malloc(len); 433 if (!tofree) { 434 BIO_printf(bio_err, "Out of memory\n"); 435 goto err; 436 } 437 strcpy(tofree, s); 438 # else 439 len = strlen(s) + sizeof(CONFIG_FILE) + 1; 440 tofree = OPENSSL_malloc(len); 441 if (!tofree) { 442 BIO_printf(bio_err, "Out of memory\n"); 443 goto err; 444 } 445 BUF_strlcpy(tofree, s, len); 446 BUF_strlcat(tofree, "/", len); 447 # endif 448 BUF_strlcat(tofree, CONFIG_FILE, len); 449 configfile = tofree; 450 } 451 452 VERBOSE BIO_printf(bio_err, "Using configuration from %s\n", 453 configfile); 454 conf = NCONF_new(NULL); 455 if (NCONF_load(conf, configfile, &errorline) <= 0) { 456 if (errorline <= 0) 457 BIO_printf(bio_err, "error loading the config file '%s'\n", 458 configfile); 459 else 460 BIO_printf(bio_err, "error on line %ld of config file '%s'\n", 461 errorline, configfile); 462 goto err; 463 } 464 if (tofree) { 465 OPENSSL_free(tofree); 466 tofree = NULL; 467 } 468 469 if (!load_config(bio_err, conf)) 470 goto err; 471 472 /* Lets get the config section we are using */ 473 if (section == NULL) { 474 VERBOSE BIO_printf(bio_err, 475 "trying to read " ENV_DEFAULT_SRP 476 " in \" BASE_SECTION \"\n"); 477 478 section = NCONF_get_string(conf, BASE_SECTION, ENV_DEFAULT_SRP); 479 if (section == NULL) { 480 lookup_fail(BASE_SECTION, ENV_DEFAULT_SRP); 481 goto err; 482 } 483 } 484 485 if (randfile == NULL && conf) 486 randfile = NCONF_get_string(conf, BASE_SECTION, "RANDFILE"); 487 488 VERBOSE BIO_printf(bio_err, 489 "trying to read " ENV_DATABASE 490 " in section \"%s\"\n", section); 491 492 if ((dbfile = NCONF_get_string(conf, section, ENV_DATABASE)) == NULL) { 493 lookup_fail(section, ENV_DATABASE); 494 goto err; 495 } 496 497 } 498 if (randfile == NULL) 499 ERR_clear_error(); 500 else 501 app_RAND_load_file(randfile, bio_err, 0); 502 503 VERBOSE BIO_printf(bio_err, "Trying to read SRP verifier file \"%s\"\n", 504 dbfile); 505 506 db = load_index(dbfile, &db_attr); 507 if (db == NULL) 508 goto err; 509 510 /* Lets check some fields */ 511 for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) { 512 pp = sk_OPENSSL_PSTRING_value(db->db->data, i); 513 514 if (pp[DB_srptype][0] == DB_SRP_INDEX) { 515 maxgN = i; 516 if (gNindex < 0 && gN != NULL && !strcmp(gN, pp[DB_srpid])) 517 gNindex = i; 518 519 print_index(db, bio_err, i, verbose > 1); 520 } 521 } 522 523 VERBOSE BIO_printf(bio_err, "Database initialised\n"); 524 525 if (gNindex >= 0) { 526 gNrow = sk_OPENSSL_PSTRING_value(db->db->data, gNindex); 527 print_entry(db, bio_err, gNindex, verbose > 1, "Default g and N"); 528 } else if (maxgN > 0 && !SRP_get_default_gN(gN)) { 529 BIO_printf(bio_err, "No g and N value for index \"%s\"\n", gN); 530 goto err; 531 } else { 532 VERBOSE BIO_printf(bio_err, "Database has no g N information.\n"); 533 gNrow = NULL; 534 } 535 536 VVERBOSE BIO_printf(bio_err, "Starting user processing\n"); 537 538 if (argc > 0) 539 user = *(argv++); 540 541 while (list_user || user) { 542 int userindex = -1; 543 if (user) 544 VVERBOSE BIO_printf(bio_err, "Processing user \"%s\"\n", user); 545 if ((userindex = get_index(db, user, 'U')) >= 0) { 546 print_user(db, bio_err, userindex, (verbose > 0) || list_user); 547 } 548 549 if (list_user) { 550 if (user == NULL) { 551 BIO_printf(bio_err, "List all users\n"); 552 553 for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) { 554 print_user(db, bio_err, i, 1); 555 } 556 list_user = 0; 557 } else if (userindex < 0) { 558 BIO_printf(bio_err, 559 "user \"%s\" does not exist, ignored. t\n", user); 560 errors++; 561 } 562 } else if (add_user) { 563 if (userindex >= 0) { 564 /* reactivation of a new user */ 565 char **row = 566 sk_OPENSSL_PSTRING_value(db->db->data, userindex); 567 BIO_printf(bio_err, "user \"%s\" reactivated.\n", user); 568 row[DB_srptype][0] = 'V'; 569 570 doupdatedb = 1; 571 } else { 572 char *row[DB_NUMBER]; 573 char *gNid; 574 row[DB_srpverifier] = NULL; 575 row[DB_srpsalt] = NULL; 576 row[DB_srpinfo] = NULL; 577 if (! 578 (gNid = 579 srp_create_user(user, &(row[DB_srpverifier]), 580 &(row[DB_srpsalt]), 581 gNrow ? gNrow[DB_srpsalt] : gN, 582 gNrow ? gNrow[DB_srpverifier] : NULL, 583 passout, bio_err, verbose))) { 584 BIO_printf(bio_err, 585 "Cannot create srp verifier for user \"%s\", operation abandoned .\n", 586 user); 587 errors++; 588 goto err; 589 } 590 row[DB_srpid] = BUF_strdup(user); 591 row[DB_srptype] = BUF_strdup("v"); 592 row[DB_srpgN] = BUF_strdup(gNid); 593 594 if (!row[DB_srpid] || !row[DB_srpgN] || !row[DB_srptype] 595 || !row[DB_srpverifier] || !row[DB_srpsalt] || (userinfo 596 && 597 (!(row 598 [DB_srpinfo] 599 = 600 BUF_strdup 601 (userinfo)))) 602 || !update_index(db, bio_err, row)) { 603 if (row[DB_srpid]) 604 OPENSSL_free(row[DB_srpid]); 605 if (row[DB_srpgN]) 606 OPENSSL_free(row[DB_srpgN]); 607 if (row[DB_srpinfo]) 608 OPENSSL_free(row[DB_srpinfo]); 609 if (row[DB_srptype]) 610 OPENSSL_free(row[DB_srptype]); 611 if (row[DB_srpverifier]) 612 OPENSSL_free(row[DB_srpverifier]); 613 if (row[DB_srpsalt]) 614 OPENSSL_free(row[DB_srpsalt]); 615 goto err; 616 } 617 doupdatedb = 1; 618 } 619 } else if (modify_user) { 620 if (userindex < 0) { 621 BIO_printf(bio_err, 622 "user \"%s\" does not exist, operation ignored.\n", 623 user); 624 errors++; 625 } else { 626 627 char **row = 628 sk_OPENSSL_PSTRING_value(db->db->data, userindex); 629 char type = row[DB_srptype][0]; 630 if (type == 'v') { 631 BIO_printf(bio_err, 632 "user \"%s\" already updated, operation ignored.\n", 633 user); 634 errors++; 635 } else { 636 char *gNid; 637 638 if (row[DB_srptype][0] == 'V') { 639 int user_gN; 640 char **irow = NULL; 641 VERBOSE BIO_printf(bio_err, 642 "Verifying password for user \"%s\"\n", 643 user); 644 if ((user_gN = 645 get_index(db, row[DB_srpgN], DB_SRP_INDEX)) >= 0) 646 irow = 647 (char **)sk_OPENSSL_PSTRING_value(db-> 648 db->data, 649 userindex); 650 651 if (!srp_verify_user 652 (user, row[DB_srpverifier], row[DB_srpsalt], 653 irow ? irow[DB_srpsalt] : row[DB_srpgN], 654 irow ? irow[DB_srpverifier] : NULL, passin, 655 bio_err, verbose)) { 656 BIO_printf(bio_err, 657 "Invalid password for user \"%s\", operation abandoned.\n", 658 user); 659 errors++; 660 goto err; 661 } 662 } 663 VERBOSE BIO_printf(bio_err, 664 "Password for user \"%s\" ok.\n", 665 user); 666 667 if (! 668 (gNid = 669 srp_create_user(user, &(row[DB_srpverifier]), 670 &(row[DB_srpsalt]), 671 gNrow ? gNrow[DB_srpsalt] : NULL, 672 gNrow ? gNrow[DB_srpverifier] : NULL, 673 passout, bio_err, verbose))) { 674 BIO_printf(bio_err, 675 "Cannot create srp verifier for user \"%s\", operation abandoned.\n", 676 user); 677 errors++; 678 goto err; 679 } 680 681 row[DB_srptype][0] = 'v'; 682 row[DB_srpgN] = BUF_strdup(gNid); 683 684 if (!row[DB_srpid] || !row[DB_srpgN] || !row[DB_srptype] 685 || !row[DB_srpverifier] || !row[DB_srpsalt] 686 || (userinfo 687 && (!(row[DB_srpinfo] = BUF_strdup(userinfo))))) 688 goto err; 689 690 doupdatedb = 1; 691 } 692 } 693 } else if (delete_user) { 694 if (userindex < 0) { 695 BIO_printf(bio_err, 696 "user \"%s\" does not exist, operation ignored. t\n", 697 user); 698 errors++; 699 } else { 700 char **xpp = 701 sk_OPENSSL_PSTRING_value(db->db->data, userindex); 702 BIO_printf(bio_err, "user \"%s\" revoked. t\n", user); 703 704 xpp[DB_srptype][0] = 'R'; 705 706 doupdatedb = 1; 707 } 708 } 709 if (--argc > 0) 710 user = *(argv++); 711 else { 712 user = NULL; 713 list_user = 0; 714 } 715 } 716 717 VERBOSE BIO_printf(bio_err, "User procession done.\n"); 718 719 if (doupdatedb) { 720 /* Lets check some fields */ 721 for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) { 722 pp = sk_OPENSSL_PSTRING_value(db->db->data, i); 723 724 if (pp[DB_srptype][0] == 'v') { 725 pp[DB_srptype][0] = 'V'; 726 print_user(db, bio_err, i, verbose); 727 } 728 } 729 730 VERBOSE BIO_printf(bio_err, "Trying to update srpvfile.\n"); 731 if (!save_index(dbfile, "new", db)) 732 goto err; 733 734 VERBOSE BIO_printf(bio_err, "Temporary srpvfile created.\n"); 735 if (!rotate_index(dbfile, "new", "old")) 736 goto err; 737 738 VERBOSE BIO_printf(bio_err, "srpvfile updated.\n"); 739 } 740 741 ret = (errors != 0); 742 err: 743 if (errors != 0) 744 VERBOSE BIO_printf(bio_err, "User errors %d.\n", errors); 745 746 VERBOSE BIO_printf(bio_err, "SRP terminating with code %d.\n", ret); 747 if (tofree) 748 OPENSSL_free(tofree); 749 if (ret) 750 ERR_print_errors(bio_err); 751 if (randfile) 752 app_RAND_write_file(randfile, bio_err); 753 if (conf) 754 NCONF_free(conf); 755 if (db) 756 free_index(db); 757 758 release_engine(e); 759 OBJ_cleanup(); 760 apps_shutdown(); 761 OPENSSL_EXIT(ret); 762 } 763 764 #else 765 static void *dummy = &dummy; 766 #endif 767