1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #include <stdio.h> 29 #include <sys/types.h> 30 #include <stdlib.h> 31 #include <libintl.h> 32 #include <ctype.h> 33 #include <syslog.h> 34 #include <sys/stat.h> 35 #include <fcntl.h> 36 #include <unistd.h> 37 #include <string.h> 38 #include <strings.h> 39 40 #include "ns_sldap.h" 41 #include "ns_internal.h" 42 #include "ns_cache_door.h" 43 44 #define _NIS_FILTER "nisdomain=*" 45 #define _NIS_DOMAIN "nisdomain" 46 static const char *nis_domain_attrs[] = { 47 _NIS_DOMAIN, 48 (char *)NULL 49 }; 50 51 static int validate_filter(ns_ldap_cookie_t *cookie); 52 53 void 54 __ns_ldap_freeEntry(ns_ldap_entry_t *ep) 55 { 56 int j, k = 0; 57 58 if (ep == NULL) 59 return; 60 61 if (ep->attr_pair == NULL) { 62 free(ep); 63 return; 64 } 65 for (j = 0; j < ep->attr_count; j++) { 66 if (ep->attr_pair[j] == NULL) 67 continue; 68 if (ep->attr_pair[j]->attrname) 69 free(ep->attr_pair[j]->attrname); 70 if (ep->attr_pair[j]->attrvalue) { 71 for (k = 0; (k < ep->attr_pair[j]->value_count) && 72 (ep->attr_pair[j]->attrvalue[k]); k++) { 73 free(ep->attr_pair[j]->attrvalue[k]); 74 } 75 free(ep->attr_pair[j]->attrvalue); 76 } 77 free(ep->attr_pair[j]); 78 } 79 free(ep->attr_pair); 80 free(ep); 81 } 82 83 static void 84 _freeControlList(LDAPControl ***ctrls) 85 { 86 LDAPControl **ctrl; 87 88 if (ctrls == NULL || *ctrls == NULL) 89 return; 90 91 for (ctrl = *ctrls; *ctrl != NULL; ctrl++) 92 ldap_control_free(*ctrl); 93 free(*ctrls); 94 *ctrls = NULL; 95 } 96 /* 97 * Convert attribute type in a RDN that has an attribute mapping to the 98 * original mappped type. 99 * e.g. 100 * cn<->cn-st and iphostnumber<->iphostnumber-st 101 * cn-st=aaa+iphostnumber-st=10.10.01.01 102 * is mapped to 103 * cn=aaa+iphostnumber=10.10.01.01 104 * 105 * Input - service: e.g. hosts, passwd etc. 106 * rdn: RDN 107 * Return: NULL - No attribute mapping in the RDN 108 * Non-NULL - The attribute type(s) in the RDN are mapped and 109 * the memory is allocated for the new rdn. 110 * 111 */ 112 static char * 113 _cvtRDN(const char *service, const char *rdn) { 114 char **attrs, **mapped_attrs, **mapp, *type, *value, *attr; 115 char *new_rdn = NULL; 116 int nAttr = 0, i, attr_mapped, len = 0; 117 118 /* Break down "type=value\0" pairs. Assume RDN is normalized */ 119 if ((attrs = ldap_explode_rdn(rdn, 0)) == NULL) 120 return (NULL); 121 122 for (nAttr = 0; attrs[nAttr] != NULL; nAttr++); 123 124 if ((mapped_attrs = (char **)calloc(nAttr, sizeof (char *))) == NULL) { 125 ldap_value_free(attrs); 126 return (NULL); 127 } 128 129 attr_mapped = 0; 130 for (i = 0; i < nAttr; i++) { 131 /* Parse type=value pair */ 132 if ((type = strtok_r(attrs[i], "=", &value)) == NULL || 133 value == NULL) 134 goto cleanup; 135 /* Reverse map: e.g. cn-sm -> cn */ 136 mapp = __ns_ldap_getOrigAttribute(service, type); 137 if (mapp != NULL && mapp[0] != NULL) { 138 /* The attribute mapping is found */ 139 type = mapp[0]; 140 attr_mapped = 1; 141 142 /* "type=value\0" */ 143 len = strlen(type) + strlen(value) + 2; 144 145 /* Reconstruct type=value pair. A string is allocated */ 146 if ((attr = (char *)calloc(1, len)) == NULL) { 147 __s_api_free2dArray(mapp); 148 goto cleanup; 149 } 150 (void) snprintf(attr, len, "%s=%s", 151 type, value); 152 mapped_attrs[i] = attr; 153 } else { 154 /* 155 * No attribute mapping. attrs[i] is going to be copied 156 * later. Restore "type\0value\0" back to 157 * "type=value\0". 158 */ 159 type[strlen(type)] = '='; 160 } 161 __s_api_free2dArray(mapp); 162 } 163 if (attr_mapped == 0) 164 /* No attribute mapping. Don't bother to reconstruct RDN */ 165 goto cleanup; 166 167 len = 0; 168 /* Reconstruct RDN from type=value pairs */ 169 for (i = 0; i < nAttr; i++) { 170 if (mapped_attrs[i]) 171 len += strlen(mapped_attrs[i]); 172 else 173 len += strlen(attrs[i]); 174 /* Add 1 for "+" */ 175 len++; 176 } 177 if ((new_rdn = (char *)calloc(1, ++len)) == NULL) 178 goto cleanup; 179 for (i = 0; i < nAttr; i++) { 180 if (i > 0) 181 /* Add seperator */ 182 (void) strlcat(new_rdn, "+", len); 183 184 if (mapped_attrs[i]) 185 (void) strlcat(new_rdn, mapped_attrs[i], len); 186 else 187 (void) strlcat(new_rdn, attrs[i], len); 188 189 } 190 cleanup: 191 ldap_value_free(attrs); 192 if (mapped_attrs) { 193 if (attr_mapped) { 194 for (i = 0; i < nAttr; i++) { 195 if (mapped_attrs[i]) 196 free(mapped_attrs[i]); 197 } 198 } 199 free(mapped_attrs); 200 } 201 202 return (new_rdn); 203 } 204 /* 205 * Convert attribute type in a DN that has an attribute mapping to the 206 * original mappped type. 207 * e.g 208 * The mappings are cn<->cn-sm, iphostnumber<->iphostnumber-sm 209 * 210 * dn: cn-sm=aaa+iphostnumber-sm=9.9.9.9,dc=central,dc=sun,dc=com 211 * is converted to 212 * dn: cn=aaa+iphostnumber=9.9.9.9,dc=central,dc=sun,dc=com 213 * 214 * Input - service: e.g. hosts, passwd etc. 215 * dn: the value of a distinguished name 216 * Return - NULL: error 217 * non-NULL: A converted DN and the memory is allocated 218 */ 219 static char * 220 _cvtDN(const char *service, const char *dn) { 221 char **mapped_rdns; 222 char **rdns, *new_rdn, *new_dn = NULL; 223 int nRdn = 0, i, len = 0, rdn_mapped; 224 225 if (service == NULL || dn == NULL) 226 return (NULL); 227 228 if ((rdns = ldap_explode_dn(dn, 0)) == NULL) 229 return (NULL); 230 231 for (nRdn = 0; rdns[nRdn] != NULL; nRdn++); 232 233 if ((mapped_rdns = (char **)calloc(nRdn, sizeof (char *))) == NULL) { 234 ldap_value_free(rdns); 235 return (NULL); 236 } 237 238 rdn_mapped = 0; 239 /* Break down RDNs in a DN */ 240 for (i = 0; i < nRdn; i++) { 241 if ((new_rdn = _cvtRDN(service, rdns[i])) != NULL) { 242 mapped_rdns[i] = new_rdn; 243 rdn_mapped = 1; 244 } 245 } 246 if (rdn_mapped == 0) { 247 /* 248 * No RDN contains any attribute mapping. 249 * Don't bother to reconstruct DN from RDN. Copy DN directly. 250 */ 251 new_dn = strdup(dn); 252 goto cleanup; 253 } 254 /* 255 * Reconstruct dn from RDNs. 256 * Calculate the length first. 257 */ 258 for (i = 0; i < nRdn; i++) { 259 if (mapped_rdns[i]) 260 len += strlen(mapped_rdns[i]); 261 else 262 len += strlen(rdns[i]); 263 264 /* add 1 for ',' */ 265 len ++; 266 } 267 if ((new_dn = (char *)calloc(1, ++len)) == NULL) 268 goto cleanup; 269 for (i = 0; i < nRdn; i++) { 270 if (i > 0) 271 /* Add seperator */ 272 (void) strlcat(new_dn, ",", len); 273 274 if (mapped_rdns[i]) 275 (void) strlcat(new_dn, mapped_rdns[i], len); 276 else 277 (void) strlcat(new_dn, rdns[i], len); 278 279 } 280 281 cleanup: 282 ldap_value_free(rdns); 283 if (mapped_rdns) { 284 if (rdn_mapped) { 285 for (i = 0; i < nRdn; i++) { 286 if (mapped_rdns[i]) 287 free(mapped_rdns[i]); 288 } 289 } 290 free(mapped_rdns); 291 } 292 293 return (new_dn); 294 } 295 /* 296 * Convert a single ldap entry from a LDAPMessage 297 * into an ns_ldap_entry structure. 298 * Schema map the entry if specified in flags 299 */ 300 301 static int 302 __s_api_cvtEntry(LDAP *ld, 303 const char *service, 304 LDAPMessage *e, 305 int flags, 306 ns_ldap_entry_t **ret, 307 ns_ldap_error_t **error) 308 { 309 310 ns_ldap_entry_t *ep = NULL; 311 ns_ldap_attr_t **ap = NULL; 312 BerElement *ber; 313 char *attr = NULL; 314 char **vals = NULL; 315 char **mapping; 316 char *dn; 317 int nAttrs = 0; 318 int i, j, k = 0; 319 char **gecos_mapping = NULL; 320 int gecos_val_index[3] = { -1, -1, -1}; 321 char errstr[MAXERROR]; 322 int schema_mapping_existed = FALSE; 323 int gecos_mapping_existed = FALSE; 324 int gecos_attr_matched; 325 int auto_service = FALSE; 326 int rc = NS_LDAP_SUCCESS; 327 328 if (e == NULL || ret == NULL || error == NULL) 329 return (NS_LDAP_INVALID_PARAM); 330 331 *error = NULL; 332 333 ep = (ns_ldap_entry_t *)calloc(1, sizeof (ns_ldap_entry_t)); 334 if (ep == NULL) 335 return (NS_LDAP_MEMORY); 336 337 if (service != NULL && 338 (strncasecmp(service, "auto_", 5) == 0 || 339 strcasecmp(service, "automount") == 0)) 340 auto_service = TRUE; 341 /* 342 * see if schema mapping existed for the given service 343 */ 344 mapping = __ns_ldap_getOrigAttribute(service, 345 NS_HASH_SCHEMA_MAPPING_EXISTED); 346 if (mapping) { 347 schema_mapping_existed = TRUE; 348 __s_api_free2dArray(mapping); 349 mapping = NULL; 350 } else if (auto_service) { 351 /* 352 * If service == auto_* and no 353 * schema mapping found 354 * then try automount 355 * There is certain case that schema mapping exist 356 * but __ns_ldap_getOrigAttribute(service, 357 * NS_HASH_SCHEMA_MAPPING_EXISTED); 358 * returns NULL. 359 * e.g. 360 * NS_LDAP_ATTRIBUTEMAP = automount:automountMapName=AAA 361 * NS_LDAP_OBJECTCLASSMAP = automount:automountMap=MynisMap 362 * NS_LDAP_OBJECTCLASSMAP = automount:automount=MynisObject 363 * 364 * Make a check for schema_mapping_existed here 365 * so later on __s_api_convert_automountmapname won't be called 366 * unnecessarily. It is also used for attribute mapping 367 * and objectclass mapping. 368 */ 369 mapping = __ns_ldap_getOrigAttribute("automount", 370 NS_HASH_SCHEMA_MAPPING_EXISTED); 371 if (mapping) { 372 schema_mapping_existed = TRUE; 373 __s_api_free2dArray(mapping); 374 mapping = NULL; 375 } 376 } 377 378 nAttrs = 1; /* start with 1 for the DN attr */ 379 for (attr = ldap_first_attribute(ld, e, &ber); attr != NULL; 380 attr = ldap_next_attribute(ld, e, ber)) { 381 nAttrs++; 382 ldap_memfree(attr); 383 attr = NULL; 384 } 385 ber_free(ber, 0); 386 ber = NULL; 387 388 ep->attr_count = nAttrs; 389 390 /* 391 * add 1 for "gecos" 1 to N attribute mapping, 392 * just in case it is needed. 393 * ep->attr_count will be updated later if that is true. 394 */ 395 ap = (ns_ldap_attr_t **)calloc(ep->attr_count + 1, 396 sizeof (ns_ldap_attr_t *)); 397 if (ap == NULL) { 398 __ns_ldap_freeEntry(ep); 399 ep = NULL; 400 return (NS_LDAP_MEMORY); 401 } 402 ep->attr_pair = ap; 403 404 /* DN attribute */ 405 dn = ldap_get_dn(ld, e); 406 ap[0] = (ns_ldap_attr_t *)calloc(1, sizeof (ns_ldap_attr_t)); 407 if (ap[0] == NULL) { 408 ldap_memfree(dn); 409 dn = NULL; 410 __ns_ldap_freeEntry(ep); 411 ep = NULL; 412 return (NS_LDAP_MEMORY); 413 } 414 415 if ((ap[0]->attrname = strdup("dn")) == NULL) { 416 ldap_memfree(dn); 417 dn = NULL; 418 __ns_ldap_freeEntry(ep); 419 ep = NULL; 420 return (NS_LDAP_INVALID_PARAM); 421 } 422 ap[0]->value_count = 1; 423 if ((ap[0]->attrvalue = (char **) 424 calloc(2, sizeof (char *))) == NULL) { 425 ldap_memfree(dn); 426 dn = NULL; 427 __ns_ldap_freeEntry(ep); 428 ep = NULL; 429 return (NS_LDAP_MEMORY); 430 } 431 432 if (schema_mapping_existed && ((flags & NS_LDAP_NOT_CVT_DN) == 0)) 433 ap[0]->attrvalue[0] = _cvtDN(service, dn); 434 else 435 ap[0]->attrvalue[0] = strdup(dn); 436 437 if (ap[0]->attrvalue[0] == NULL) { 438 ldap_memfree(dn); 439 dn = NULL; 440 __ns_ldap_freeEntry(ep); 441 ep = NULL; 442 return (NS_LDAP_MEMORY); 443 } 444 ldap_memfree(dn); 445 dn = NULL; 446 447 if ((flags & NS_LDAP_NOMAP) == 0 && auto_service && 448 schema_mapping_existed) { 449 rc = __s_api_convert_automountmapname(service, 450 &ap[0]->attrvalue[0], 451 error); 452 if (rc != NS_LDAP_SUCCESS) { 453 __ns_ldap_freeEntry(ep); 454 ep = NULL; 455 return (rc); 456 } 457 } 458 459 /* other attributes */ 460 for (attr = ldap_first_attribute(ld, e, &ber), j = 1; 461 attr != NULL && j != nAttrs; 462 attr = ldap_next_attribute(ld, e, ber), j++) { 463 /* allocate new attr name */ 464 465 if ((ap[j] = (ns_ldap_attr_t *) 466 calloc(1, sizeof (ns_ldap_attr_t))) == NULL) { 467 ber_free(ber, 0); 468 ber = NULL; 469 __ns_ldap_freeEntry(ep); 470 ep = NULL; 471 if (gecos_mapping) 472 __s_api_free2dArray(gecos_mapping); 473 gecos_mapping = NULL; 474 return (NS_LDAP_MEMORY); 475 } 476 477 if ((flags & NS_LDAP_NOMAP) || schema_mapping_existed == FALSE) 478 mapping = NULL; 479 else 480 mapping = __ns_ldap_getOrigAttribute(service, attr); 481 482 if (mapping == NULL && auto_service && 483 schema_mapping_existed && (flags & NS_LDAP_NOMAP) == 0) 484 /* 485 * if service == auto_* and no schema mapping found 486 * and schema_mapping_existed is TRUE and NS_LDAP_NOMAP 487 * is not set then try automount e.g. 488 * NS_LDAP_ATTRIBUTEMAP = automount:automountMapName=AAA 489 */ 490 mapping = __ns_ldap_getOrigAttribute("automount", 491 attr); 492 493 if (mapping == NULL) { 494 if ((ap[j]->attrname = strdup(attr)) == NULL) { 495 ber_free(ber, 0); 496 ber = NULL; 497 __ns_ldap_freeEntry(ep); 498 ep = NULL; 499 if (gecos_mapping) 500 __s_api_free2dArray(gecos_mapping); 501 gecos_mapping = NULL; 502 return (NS_LDAP_MEMORY); 503 } 504 } else { 505 /* 506 * for "gecos" 1 to N mapping, 507 * do not remove the mapped attribute, 508 * just create a new gecos attribute 509 * and append it to the end of the attribute list 510 */ 511 if (strcasecmp(mapping[0], "gecos") == 0) { 512 ap[j]->attrname = strdup(attr); 513 gecos_mapping_existed = TRUE; 514 } else 515 ap[j]->attrname = strdup(mapping[0]); 516 517 if (ap[j]->attrname == NULL) { 518 ber_free(ber, 0); 519 ber = NULL; 520 __ns_ldap_freeEntry(ep); 521 ep = NULL; 522 if (gecos_mapping) 523 __s_api_free2dArray(gecos_mapping); 524 gecos_mapping = NULL; 525 return (NS_LDAP_MEMORY); 526 } 527 /* 528 * 1 to N attribute mapping processing 529 * is only done for "gecos" 530 */ 531 532 if (strcasecmp(mapping[0], "gecos") == 0) { 533 /* 534 * get attribute mapping for "gecos", 535 * need to know the number and order of the 536 * mapped attributes 537 */ 538 if (gecos_mapping == NULL) { 539 gecos_mapping = 540 __ns_ldap_getMappedAttributes( 541 service, mapping[0]); 542 if (gecos_mapping == NULL || 543 gecos_mapping[0] == NULL) { 544 /* 545 * this should never happens, 546 * syslog the error 547 */ 548 (void) sprintf(errstr, 549 gettext( 550 "Attribute mapping " 551 "inconsistency " 552 "found for attributes " 553 "'%s' and '%s'."), 554 mapping[0], attr); 555 syslog(LOG_ERR, "libsldap: %s", 556 errstr); 557 558 ber_free(ber, 0); 559 ber = NULL; 560 __ns_ldap_freeEntry(ep); 561 ep = NULL; 562 __s_api_free2dArray(mapping); 563 mapping = NULL; 564 if (gecos_mapping) 565 __s_api_free2dArray( 566 gecos_mapping); 567 gecos_mapping = NULL; 568 return (NS_LDAP_INTERNAL); 569 } 570 } 571 572 /* 573 * is this attribute the 1st, 2nd, or 574 * 3rd attr in the mapping list? 575 */ 576 gecos_attr_matched = FALSE; 577 for (i = 0; i < 3 && gecos_mapping[i]; i++) { 578 if (gecos_mapping[i] && 579 strcasecmp(gecos_mapping[i], 580 attr) == 0) { 581 gecos_val_index[i] = j; 582 gecos_attr_matched = TRUE; 583 break; 584 } 585 } 586 if (gecos_attr_matched == FALSE) { 587 /* 588 * Not match found. 589 * This should never happens, 590 * syslog the error 591 */ 592 (void) sprintf(errstr, 593 gettext( 594 "Attribute mapping " 595 "inconsistency " 596 "found for attributes " 597 "'%s' and '%s'."), 598 mapping[0], attr); 599 syslog(LOG_ERR, "libsldap: %s", errstr); 600 601 ber_free(ber, 0); 602 ber = NULL; 603 __ns_ldap_freeEntry(ep); 604 ep = NULL; 605 __s_api_free2dArray(mapping); 606 mapping = NULL; 607 __s_api_free2dArray(gecos_mapping); 608 gecos_mapping = NULL; 609 return (NS_LDAP_INTERNAL); 610 } 611 } 612 __s_api_free2dArray(mapping); 613 mapping = NULL; 614 } 615 616 if ((vals = ldap_get_values(ld, e, attr)) != NULL) { 617 618 if ((ap[j]->value_count = 619 ldap_count_values(vals)) == 0) { 620 ldap_value_free(vals); 621 vals = NULL; 622 continue; 623 } else { 624 ap[j]->attrvalue = (char **) 625 calloc(ap[j]->value_count+1, 626 sizeof (char *)); 627 if (ap[j]->attrvalue == NULL) { 628 ber_free(ber, 0); 629 ber = NULL; 630 __ns_ldap_freeEntry(ep); 631 ep = NULL; 632 if (gecos_mapping) 633 __s_api_free2dArray( 634 gecos_mapping); 635 gecos_mapping = NULL; 636 return (NS_LDAP_MEMORY); 637 } 638 } 639 640 /* map object classes if necessary */ 641 if ((flags & NS_LDAP_NOMAP) == 0 && 642 schema_mapping_existed && ap[j]->attrname && 643 strcasecmp(ap[j]->attrname, "objectclass") == 0) { 644 for (k = 0; k < ap[j]->value_count; k++) { 645 mapping = 646 __ns_ldap_getOrigObjectClass( 647 service, vals[k]); 648 649 if (mapping == NULL && auto_service) 650 /* 651 * if service == auto_* and no 652 * schema mapping found 653 * then try automount 654 */ 655 mapping = 656 __ns_ldap_getOrigObjectClass( 657 "automount", vals[k]); 658 659 if (mapping == NULL) { 660 ap[j]->attrvalue[k] = 661 strdup(vals[k]); 662 } else { 663 ap[j]->attrvalue[k] = 664 strdup(mapping[0]); 665 __s_api_free2dArray(mapping); 666 mapping = NULL; 667 } 668 if (ap[j]->attrvalue[k] == NULL) { 669 ber_free(ber, 0); 670 ber = NULL; 671 __ns_ldap_freeEntry(ep); 672 ep = NULL; 673 if (gecos_mapping) 674 __s_api_free2dArray( 675 gecos_mapping); 676 gecos_mapping = NULL; 677 return (NS_LDAP_MEMORY); 678 } 679 } 680 } else { 681 for (k = 0; k < ap[j]->value_count; k++) { 682 if ((ap[j]->attrvalue[k] = 683 strdup(vals[k])) == NULL) { 684 ber_free(ber, 0); 685 ber = NULL; 686 __ns_ldap_freeEntry(ep); 687 ep = NULL; 688 if (gecos_mapping) 689 __s_api_free2dArray( 690 gecos_mapping); 691 gecos_mapping = NULL; 692 return (NS_LDAP_MEMORY); 693 } 694 } 695 } 696 697 ap[j]->attrvalue[k] = NULL; 698 ldap_value_free(vals); 699 vals = NULL; 700 } 701 702 ldap_memfree(attr); 703 attr = NULL; 704 } 705 706 ber_free(ber, 0); 707 ber = NULL; 708 709 if (gecos_mapping) { 710 __s_api_free2dArray(gecos_mapping); 711 gecos_mapping = NULL; 712 } 713 714 /* special processing for gecos 1 to up to 3 attribute mapping */ 715 if (schema_mapping_existed && gecos_mapping_existed) { 716 717 int f = -1; 718 719 for (i = 0; i < 3; i++) { 720 k = gecos_val_index[i]; 721 722 /* 723 * f is the index of the first returned 724 * attribute which "gecos" attribute mapped to 725 */ 726 if (k != -1 && f == -1) 727 f = k; 728 729 if (k != -1 && ap[k]->value_count > 0 && 730 ap[k]->attrvalue[0] && 731 strlen(ap[k]->attrvalue[0]) > 0) { 732 733 if (k == f) { 734 /* 735 * Create and fill in the last reserved 736 * ap with the data from the "gecos" 737 * mapping attributes 738 */ 739 ap[nAttrs] = (ns_ldap_attr_t *) 740 calloc(1, 741 sizeof (ns_ldap_attr_t)); 742 if (ap[nAttrs] == NULL) { 743 __ns_ldap_freeEntry(ep); 744 ep = NULL; 745 return (NS_LDAP_MEMORY); 746 } 747 ap[nAttrs]->attrvalue = (char **)calloc( 748 2, sizeof (char *)); 749 if (ap[nAttrs]->attrvalue == NULL) { 750 __ns_ldap_freeEntry(ep); 751 ep = NULL; 752 return (NS_LDAP_MEMORY); 753 } 754 /* add 1 more for a possible "," */ 755 ap[nAttrs]->attrvalue[0] = 756 (char *)calloc( 757 strlen(ap[f]->attrvalue[0]) + 758 2, 1); 759 if (ap[nAttrs]->attrvalue[0] == NULL) { 760 __ns_ldap_freeEntry(ep); 761 ep = NULL; 762 return (NS_LDAP_MEMORY); 763 } 764 (void) strcpy(ap[nAttrs]->attrvalue[0], 765 ap[f]->attrvalue[0]); 766 767 ap[nAttrs]->attrname = strdup("gecos"); 768 if (ap[nAttrs]->attrname == NULL) { 769 __ns_ldap_freeEntry(ep); 770 ep = NULL; 771 return (NS_LDAP_MEMORY); 772 } 773 774 ap[nAttrs]->value_count = 1; 775 ep->attr_count = nAttrs + 1; 776 777 } else { 778 char *tmp = NULL; 779 780 /* 781 * realloc to add "," and 782 * ap[k]->attrvalue[0] 783 */ 784 tmp = (char *)realloc( 785 ap[nAttrs]->attrvalue[0], 786 strlen(ap[nAttrs]-> 787 attrvalue[0]) + 788 strlen(ap[k]-> 789 attrvalue[0]) + 2); 790 if (tmp == NULL) { 791 __ns_ldap_freeEntry(ep); 792 ep = NULL; 793 return (NS_LDAP_MEMORY); 794 } 795 ap[nAttrs]->attrvalue[0] = tmp; 796 (void) strcat(ap[nAttrs]->attrvalue[0], 797 ","); 798 (void) strcat(ap[nAttrs]->attrvalue[0], 799 ap[k]->attrvalue[0]); 800 } 801 } 802 } 803 } 804 805 *ret = ep; 806 return (NS_LDAP_SUCCESS); 807 } 808 809 static int 810 __s_api_getEntry(ns_ldap_cookie_t *cookie) 811 { 812 ns_ldap_entry_t *curEntry = NULL; 813 int ret; 814 815 #ifdef DEBUG 816 (void) fprintf(stderr, "__s_api_getEntry START\n"); 817 #endif 818 819 if (cookie->resultMsg == NULL) { 820 return (NS_LDAP_INVALID_PARAM); 821 } 822 ret = __s_api_cvtEntry(cookie->conn->ld, cookie->service, 823 cookie->resultMsg, cookie->i_flags, 824 &curEntry, &cookie->errorp); 825 if (ret != NS_LDAP_SUCCESS) { 826 return (ret); 827 } 828 829 if (cookie->result == NULL) { 830 cookie->result = (ns_ldap_result_t *) 831 calloc(1, sizeof (ns_ldap_result_t)); 832 if (cookie->result == NULL) { 833 __ns_ldap_freeEntry(curEntry); 834 curEntry = NULL; 835 return (NS_LDAP_MEMORY); 836 } 837 cookie->result->entry = curEntry; 838 cookie->nextEntry = curEntry; 839 } else { 840 cookie->nextEntry->next = curEntry; 841 cookie->nextEntry = curEntry; 842 } 843 cookie->result->entries_count++; 844 845 return (NS_LDAP_SUCCESS); 846 } 847 848 static int 849 __s_api_get_cachemgr_data(const char *type, 850 const char *from, char **to) 851 { 852 union { 853 ldap_data_t s_d; 854 char s_b[DOORBUFFERSIZE]; 855 } space; 856 ldap_data_t *sptr; 857 int ndata; 858 int adata; 859 int rc; 860 861 #ifdef DEBUG 862 (void) fprintf(stderr, "__s_api_get_cachemgr_data START\n"); 863 #endif 864 865 if (from == NULL || from[0] == '\0' || to == NULL) 866 return (-1); 867 868 *to = NULL; 869 (void) memset(space.s_b, 0, DOORBUFFERSIZE); 870 871 space.s_d.ldap_call.ldap_callnumber = GETCACHE; 872 (void) snprintf(space.s_d.ldap_call.ldap_u.domainname, 873 DOORBUFFERSIZE - sizeof (space.s_d.ldap_call.ldap_callnumber), 874 "%s%s%s", 875 type, 876 DOORLINESEP, 877 from); 878 ndata = sizeof (space); 879 adata = sizeof (ldap_call_t) + 880 strlen(space.s_d.ldap_call.ldap_u.domainname) + 1; 881 sptr = &space.s_d; 882 883 rc = __ns_ldap_trydoorcall(&sptr, &ndata, &adata); 884 if (rc != SUCCESS) 885 return (-1); 886 else 887 *to = strdup(sptr->ldap_ret.ldap_u.buff); 888 return (NS_LDAP_SUCCESS); 889 } 890 891 static int 892 __s_api_set_cachemgr_data(const char *type, 893 const char *from, const char *to) 894 { 895 union { 896 ldap_data_t s_d; 897 char s_b[DOORBUFFERSIZE]; 898 } space; 899 ldap_data_t *sptr; 900 int ndata; 901 int adata; 902 int rc; 903 904 #ifdef DEBUG 905 (void) fprintf(stderr, "__s_api_set_cachemgr_data START\n"); 906 #endif 907 908 if ((from == NULL) || (from[0] == '\0') || 909 (to == NULL) || (to[0] == '\0')) 910 return (-1); 911 912 (void) memset(space.s_b, 0, DOORBUFFERSIZE); 913 914 space.s_d.ldap_call.ldap_callnumber = SETCACHE; 915 (void) snprintf(space.s_d.ldap_call.ldap_u.domainname, 916 DOORBUFFERSIZE - sizeof (space.s_d.ldap_call.ldap_callnumber), 917 "%s%s%s%s%s", 918 type, 919 DOORLINESEP, 920 from, 921 DOORLINESEP, 922 to); 923 924 ndata = sizeof (space); 925 adata = sizeof (ldap_call_t) + 926 strlen(space.s_d.ldap_call.ldap_u.domainname) + 1; 927 sptr = &space.s_d; 928 929 rc = __ns_ldap_trydoorcall(&sptr, &ndata, &adata); 930 if (rc != SUCCESS) 931 return (-1); 932 933 return (NS_LDAP_SUCCESS); 934 } 935 936 937 static char * 938 __s_api_remove_rdn_space(char *rdn) 939 { 940 char *tf, *tl, *vf, *vl, *eqsign; 941 942 /* if no space(s) to remove, return */ 943 if (strchr(rdn, SPACETOK) == NULL) 944 return (rdn); 945 946 /* if no '=' separator, return */ 947 eqsign = strchr(rdn, '='); 948 if (eqsign == NULL) 949 return (rdn); 950 951 tf = rdn; 952 tl = eqsign - 1; 953 vf = eqsign + 1; 954 vl = rdn + strlen(rdn) - 1; 955 956 /* now two strings, type and value */ 957 *eqsign = '\0'; 958 959 /* remove type's leading spaces */ 960 while (tf < tl && *tf == SPACETOK) 961 tf++; 962 /* remove type's trailing spaces */ 963 while (tf < tl && *tl == SPACETOK) 964 tl--; 965 /* add '=' separator back */ 966 *(++tl) = '='; 967 /* remove value's leading spaces */ 968 while (vf < vl && *vf == SPACETOK) 969 vf++; 970 /* remove value's trailing spaces */ 971 while (vf < vl && *vl == SPACETOK) 972 *vl-- = '\0'; 973 974 /* move value up if necessary */ 975 if (vf != tl + 1) 976 (void) strcpy(tl + 1, vf); 977 978 return (tf); 979 } 980 981 static 982 ns_ldap_cookie_t * 983 init_search_state_machine() 984 { 985 ns_ldap_cookie_t *cookie; 986 ns_config_t *cfg; 987 988 cookie = (ns_ldap_cookie_t *)calloc(1, sizeof (ns_ldap_cookie_t)); 989 if (cookie == NULL) 990 return (NULL); 991 cookie->state = INIT; 992 /* assign other state variables */ 993 cfg = __s_api_loadrefresh_config(); 994 cookie->connectionId = -1; 995 if (cfg == NULL || 996 cfg->paramList[NS_LDAP_SEARCH_TIME_P].ns_ptype == NS_UNKNOWN) { 997 cookie->search_timeout.tv_sec = NS_DEFAULT_SEARCH_TIMEOUT; 998 } else { 999 cookie->search_timeout.tv_sec = 1000 cfg->paramList[NS_LDAP_SEARCH_TIME_P].ns_i; 1001 } 1002 if (cfg != NULL) 1003 __s_api_release_config(cfg); 1004 cookie->search_timeout.tv_usec = 0; 1005 1006 return (cookie); 1007 } 1008 1009 static void 1010 delete_search_cookie(ns_ldap_cookie_t *cookie) 1011 { 1012 if (cookie == NULL) 1013 return; 1014 if (cookie->connectionId > -1) 1015 DropConnection(cookie->connectionId, cookie->i_flags); 1016 if (cookie->filter) 1017 free(cookie->filter); 1018 if (cookie->i_filter) 1019 free(cookie->i_filter); 1020 if (cookie->service) 1021 free(cookie->service); 1022 if (cookie->sdlist) 1023 (void) __ns_ldap_freeSearchDescriptors(&(cookie->sdlist)); 1024 if (cookie->result) 1025 (void) __ns_ldap_freeResult(&cookie->result); 1026 if (cookie->attribute) 1027 __s_api_free2dArray(cookie->attribute); 1028 if (cookie->errorp) 1029 (void) __ns_ldap_freeError(&cookie->errorp); 1030 if (cookie->reflist) 1031 __s_api_deleteRefInfo(cookie->reflist); 1032 if (cookie->basedn) 1033 free(cookie->basedn); 1034 if (cookie->ctrlCookie) 1035 ber_bvfree(cookie->ctrlCookie); 1036 _freeControlList(&cookie->p_serverctrls); 1037 if (cookie->resultctrl) 1038 ldap_controls_free(cookie->resultctrl); 1039 free(cookie); 1040 } 1041 1042 static int 1043 get_mapped_filter(ns_ldap_cookie_t *cookie, char **new_filter) 1044 { 1045 1046 typedef struct filter_mapping_info { 1047 char oc_or_attr; 1048 char *name_start; 1049 char *name_end; 1050 char *veq_pos; 1051 char *from_name; 1052 char *to_name; 1053 char **mapping; 1054 } filter_mapping_info_t; 1055 1056 char *c, *last_copied; 1057 char *filter_c, *filter_c_next; 1058 char *key, *tail, *head; 1059 char errstr[MAXERROR]; 1060 int num_eq = 0, num_veq = 0; 1061 int in_quote = FALSE; 1062 int is_value = FALSE; 1063 int i, j, oc_len, len; 1064 int at_least_one = FALSE; 1065 filter_mapping_info_t **info, *info1; 1066 char **mapping; 1067 char *service, *filter, *err; 1068 int auto_service = FALSE; 1069 1070 if (cookie == NULL || new_filter == NULL) 1071 return (NS_LDAP_INVALID_PARAM); 1072 1073 *new_filter = NULL; 1074 service = cookie->service; 1075 filter = cookie->filter; 1076 1077 /* 1078 * count the number of '=' char 1079 */ 1080 for (c = filter; *c; c++) { 1081 if (*c == TOKENSEPARATOR) 1082 num_eq++; 1083 } 1084 1085 if (service != NULL && strncasecmp(service, "auto_", 5) == 0) 1086 auto_service = TRUE; 1087 1088 /* 1089 * See if schema mapping existed for the given service. 1090 * If not, just return success. 1091 */ 1092 mapping = __ns_ldap_getOrigAttribute(service, 1093 NS_HASH_SCHEMA_MAPPING_EXISTED); 1094 1095 if (mapping == NULL && auto_service) 1096 /* 1097 * if service == auto_* and no 1098 * schema mapping found 1099 * then try automount 1100 */ 1101 mapping = __ns_ldap_getOrigAttribute( 1102 "automount", NS_HASH_SCHEMA_MAPPING_EXISTED); 1103 1104 if (mapping) 1105 __s_api_free2dArray(mapping); 1106 else 1107 return (NS_LDAP_SUCCESS); 1108 1109 /* 1110 * no '=' sign, just say OK and return nothing 1111 */ 1112 if (num_eq == 0) 1113 return (NS_LDAP_SUCCESS); 1114 1115 /* 1116 * Make a copy of the filter string 1117 * for saving the name of the objectclasses or 1118 * attributes that need to be passed to the 1119 * objectclass or attribute mapping functions. 1120 * pointer "info->from_name" points to the locations 1121 * within this string. 1122 * 1123 * The input filter string, filter, will be used 1124 * to indicate where these names start and end. 1125 * pointers "info->name_start" and "info->name_end" 1126 * point to locations within the input filter string, 1127 * and are used at the end of this function to 1128 * merge the original filter data with the 1129 * mapped objectclass or attribute names. 1130 */ 1131 filter_c = strdup(filter); 1132 if (filter_c == NULL) 1133 return (NS_LDAP_MEMORY); 1134 filter_c_next = filter_c; 1135 1136 /* 1137 * get memory for info arrays 1138 */ 1139 info = (filter_mapping_info_t **)calloc(num_eq + 1, 1140 sizeof (filter_mapping_info_t *)); 1141 1142 if (info == NULL) { 1143 free(filter_c); 1144 return (NS_LDAP_MEMORY); 1145 } 1146 1147 /* 1148 * find valid '=' for further processing, 1149 * ignore the "escaped =" (.i.e. "\="), or 1150 * "=" in quoted string 1151 */ 1152 for (c = filter_c; *c; c++) { 1153 1154 switch (*c) { 1155 case TOKENSEPARATOR: 1156 if (!in_quote && !is_value) { 1157 info1 = (filter_mapping_info_t *)calloc(1, 1158 sizeof (filter_mapping_info_t)); 1159 if (!info1) { 1160 free(filter_c); 1161 for (i = 0; i < num_veq; i++) 1162 free(info[i]); 1163 free(info); 1164 return (NS_LDAP_MEMORY); 1165 } 1166 info[num_veq] = info1; 1167 1168 /* 1169 * remember the location of this "=" 1170 */ 1171 info[num_veq++]->veq_pos = c; 1172 1173 /* 1174 * skip until the end of the attribute value 1175 */ 1176 is_value = TRUE; 1177 } 1178 break; 1179 case CPARATOK: 1180 /* 1181 * mark the end of the attribute value 1182 */ 1183 if (!in_quote) 1184 is_value = FALSE; 1185 break; 1186 case QUOTETOK: 1187 /* 1188 * switch on/off the in_quote mode 1189 */ 1190 in_quote = (in_quote == FALSE); 1191 break; 1192 case '\\': 1193 /* 1194 * ignore escape characters 1195 * don't skip if next char is '\0' 1196 */ 1197 if (!in_quote) 1198 if (*(++c) == '\0') 1199 c--; 1200 break; 1201 } 1202 1203 } 1204 1205 /* 1206 * for each valid "=" found, get the name to 1207 * be mapped 1208 */ 1209 oc_len = strlen("objectclass"); 1210 for (i = 0; i < num_veq; i++) { 1211 1212 /* 1213 * look at the left side of "=" to see 1214 * if assertion is "objectclass=<ocname>" 1215 * or "<attribute name>=<attribute value>" 1216 * 1217 * first skip spaces before "=". 1218 * Note that filter_c_next may not point to the 1219 * start of the filter string. For i > 0, 1220 * it points to the end of the last name processed + 2 1221 */ 1222 for (tail = info[i]->veq_pos; (tail > filter_c_next) && 1223 (*(tail - 1) == SPACETOK); tail--) 1224 ; 1225 1226 /* 1227 * mark the end of the left side string (the key) 1228 */ 1229 *tail = '\0'; 1230 info[i]->name_end = tail - filter_c - 1 + filter; 1231 1232 /* 1233 * find the start of the key 1234 */ 1235 key = filter_c_next; 1236 for (c = tail; filter_c_next <= c; c--) { 1237 /* OPARATOK is '(' */ 1238 if (*c == OPARATOK || 1239 *c == SPACETOK) { 1240 key = c + 1; 1241 break; 1242 } 1243 } 1244 info[i]->name_start = key - filter_c + filter; 1245 1246 if ((key + oc_len) <= tail) { 1247 if (strncasecmp(key, "objectclass", 1248 oc_len) == 0) { 1249 /* 1250 * assertion is "objectclass=ocname", 1251 * ocname is the one needs to be mapped 1252 * 1253 * skip spaces after "=" to find start 1254 * of the ocname 1255 */ 1256 head = info[i]->veq_pos; 1257 for (head = info[i]->veq_pos + 1; 1258 *head && *head == SPACETOK; head++) 1259 ; 1260 1261 /* ignore empty ocname */ 1262 if (!(*head)) 1263 continue; 1264 1265 info[i]->name_start = head - filter_c + 1266 filter; 1267 1268 /* 1269 * now find the end of the ocname 1270 */ 1271 for (c = head; ; c++) { 1272 /* CPARATOK is ')' */ 1273 if (*c == CPARATOK || 1274 *c == '\0' || 1275 *c == SPACETOK) { 1276 *c = '\0'; 1277 info[i]->name_end = 1278 c - filter_c - 1 + 1279 filter; 1280 filter_c_next = c + 1; 1281 info[i]->oc_or_attr = 'o'; 1282 info[i]->from_name = head; 1283 break; 1284 } 1285 } 1286 } 1287 } 1288 1289 /* 1290 * assertion is not "objectclass=ocname", 1291 * assume assertion is "<key> = <value>", 1292 * <key> is the one needs to be mapped 1293 */ 1294 if (info[i]->from_name == NULL && strlen(key) > 0) { 1295 info[i]->oc_or_attr = 'a'; 1296 info[i]->from_name = key; 1297 } 1298 } 1299 1300 /* perform schema mapping */ 1301 for (i = 0; i < num_veq; i++) { 1302 if (info[i]->from_name == NULL) 1303 continue; 1304 1305 if (info[i]->oc_or_attr == 'a') 1306 info[i]->mapping = 1307 __ns_ldap_getMappedAttributes(service, 1308 info[i]->from_name); 1309 else 1310 info[i]->mapping = 1311 __ns_ldap_getMappedObjectClass(service, 1312 info[i]->from_name); 1313 1314 if (info[i]->mapping == NULL && auto_service) { 1315 /* 1316 * If no mapped attribute/objectclass is found 1317 * and service == auto* 1318 * try to find automount's 1319 * mapped attribute/objectclass 1320 */ 1321 if (info[i]->oc_or_attr == 'a') 1322 info[i]->mapping = 1323 __ns_ldap_getMappedAttributes("automount", 1324 info[i]->from_name); 1325 else 1326 info[i]->mapping = 1327 __ns_ldap_getMappedObjectClass("automount", 1328 info[i]->from_name); 1329 } 1330 1331 if (info[i]->mapping == NULL || 1332 info[i]->mapping[0] == NULL) { 1333 info[i]->to_name = NULL; 1334 } else if (info[i]->mapping[1] == NULL) { 1335 info[i]->to_name = info[i]->mapping[0]; 1336 at_least_one = TRUE; 1337 } else { 1338 __s_api_free2dArray(info[i]->mapping); 1339 /* 1340 * multiple mapping 1341 * not allowed 1342 */ 1343 (void) sprintf(errstr, 1344 gettext( 1345 "Multiple attribute or objectclass " 1346 "mapping for '%s' in filter " 1347 "'%s' not allowed."), 1348 info[i]->from_name, filter); 1349 err = strdup(errstr); 1350 if (err) 1351 MKERROR(LOG_WARNING, cookie->errorp, 1352 NS_CONFIG_SYNTAX, 1353 err, NULL); 1354 1355 free(filter_c); 1356 for (j = 0; j < num_veq; j++) { 1357 if (info[j]->mapping) 1358 __s_api_free2dArray( 1359 info[j]->mapping); 1360 free(info[j]); 1361 } 1362 free(info); 1363 return (NS_LDAP_CONFIG); 1364 } 1365 } 1366 1367 1368 if (at_least_one) { 1369 1370 len = strlen(filter); 1371 last_copied = filter - 1; 1372 1373 for (i = 0; i < num_veq; i++) { 1374 if (info[i]->to_name) 1375 len += strlen(info[i]->to_name); 1376 } 1377 1378 *new_filter = (char *)calloc(1, len); 1379 if (*new_filter == NULL) { 1380 free(filter_c); 1381 for (j = 0; j < num_veq; j++) { 1382 if (info[j]->mapping) 1383 __s_api_free2dArray( 1384 info[j]->mapping); 1385 free(info[j]); 1386 } 1387 free(info); 1388 return (NS_LDAP_MEMORY); 1389 } 1390 1391 for (i = 0; i < num_veq; i++) { 1392 if (info[i]->to_name != NULL && 1393 info[i]->to_name != NULL) { 1394 1395 /* 1396 * copy the original filter data 1397 * between the last name and current 1398 * name 1399 */ 1400 if ((last_copied + 1) != info[i]->name_start) 1401 (void) strncat(*new_filter, 1402 last_copied + 1, 1403 info[i]->name_start - 1404 last_copied - 1); 1405 1406 /* the data is copied */ 1407 last_copied = info[i]->name_end; 1408 1409 /* 1410 * replace the name with 1411 * the mapped name 1412 */ 1413 (void) strcat(*new_filter, info[i]->to_name); 1414 } 1415 1416 /* copy the filter data after the last name */ 1417 if (i == (num_veq -1) && 1418 info[i]->name_end < 1419 (filter + strlen(filter))) 1420 (void) strncat(*new_filter, last_copied + 1, 1421 filter + strlen(filter) - 1422 last_copied - 1); 1423 } 1424 1425 } 1426 1427 /* free memory */ 1428 free(filter_c); 1429 for (j = 0; j < num_veq; j++) { 1430 if (info[j]->mapping) 1431 __s_api_free2dArray(info[j]->mapping); 1432 free(info[j]); 1433 } 1434 free(info); 1435 1436 return (NS_LDAP_SUCCESS); 1437 } 1438 1439 static int 1440 setup_next_search(ns_ldap_cookie_t *cookie) 1441 { 1442 ns_ldap_search_desc_t *dptr; 1443 int scope; 1444 char *filter, *str; 1445 int baselen; 1446 int rc; 1447 void **param; 1448 1449 dptr = *cookie->sdpos; 1450 scope = cookie->i_flags & (NS_LDAP_SCOPE_BASE | 1451 NS_LDAP_SCOPE_ONELEVEL | 1452 NS_LDAP_SCOPE_SUBTREE); 1453 if (scope) 1454 cookie->scope = scope; 1455 else 1456 cookie->scope = dptr->scope; 1457 switch (cookie->scope) { 1458 case NS_LDAP_SCOPE_BASE: 1459 cookie->scope = LDAP_SCOPE_BASE; 1460 break; 1461 case NS_LDAP_SCOPE_ONELEVEL: 1462 cookie->scope = LDAP_SCOPE_ONELEVEL; 1463 break; 1464 case NS_LDAP_SCOPE_SUBTREE: 1465 cookie->scope = LDAP_SCOPE_SUBTREE; 1466 break; 1467 } 1468 1469 filter = NULL; 1470 if (cookie->use_filtercb && cookie->init_filter_cb && 1471 dptr->filter && strlen(dptr->filter) > 0) { 1472 (*cookie->init_filter_cb)(dptr, &filter, 1473 cookie->userdata); 1474 } 1475 if (filter == NULL) { 1476 if (cookie->i_filter == NULL) { 1477 cookie->err_rc = NS_LDAP_INVALID_PARAM; 1478 return (-1); 1479 } else { 1480 if (cookie->filter) 1481 free(cookie->filter); 1482 cookie->filter = strdup(cookie->i_filter); 1483 if (cookie->filter == NULL) { 1484 cookie->err_rc = NS_LDAP_MEMORY; 1485 return (-1); 1486 } 1487 } 1488 } else { 1489 if (cookie->filter) 1490 free(cookie->filter); 1491 cookie->filter = strdup(filter); 1492 free(filter); 1493 if (cookie->filter == NULL) { 1494 cookie->err_rc = NS_LDAP_MEMORY; 1495 return (-1); 1496 } 1497 } 1498 1499 /* 1500 * perform attribute/objectclass mapping on filter 1501 */ 1502 filter = NULL; 1503 1504 if (cookie->service) { 1505 rc = get_mapped_filter(cookie, &filter); 1506 if (rc != NS_LDAP_SUCCESS) { 1507 cookie->err_rc = rc; 1508 return (-1); 1509 } else { 1510 /* 1511 * get_mapped_filter returns 1512 * NULL filter pointer, if 1513 * no mapping was done 1514 */ 1515 if (filter) { 1516 free(cookie->filter); 1517 cookie->filter = filter; 1518 } 1519 } 1520 } 1521 1522 /* 1523 * validate filter to make sure it's legal 1524 * [remove redundant ()'s] 1525 */ 1526 rc = validate_filter(cookie); 1527 if (rc != NS_LDAP_SUCCESS) { 1528 cookie->err_rc = rc; 1529 return (-1); 1530 } 1531 1532 baselen = strlen(dptr->basedn); 1533 if (baselen > 0 && dptr->basedn[baselen-1] == COMMATOK) { 1534 rc = __ns_ldap_getParam(NS_LDAP_SEARCH_BASEDN_P, 1535 (void ***)¶m, &cookie->errorp); 1536 if (rc != NS_LDAP_SUCCESS) { 1537 cookie->err_rc = rc; 1538 return (-1); 1539 } 1540 str = ((char **)param)[0]; 1541 baselen += strlen(str)+1; 1542 if (cookie->basedn) 1543 free(cookie->basedn); 1544 cookie->basedn = (char *)malloc(baselen); 1545 if (cookie->basedn == NULL) { 1546 cookie->err_rc = NS_LDAP_MEMORY; 1547 return (-1); 1548 } 1549 (void) strcpy(cookie->basedn, dptr->basedn); 1550 (void) strcat(cookie->basedn, str); 1551 (void) __ns_ldap_freeParam(¶m); 1552 } else { 1553 if (cookie->basedn) 1554 free(cookie->basedn); 1555 cookie->basedn = strdup(dptr->basedn); 1556 } 1557 return (0); 1558 } 1559 1560 static int 1561 setup_referral_search(ns_ldap_cookie_t *cookie) 1562 { 1563 ns_referral_info_t *ref; 1564 1565 ref = cookie->refpos; 1566 cookie->scope = ref->refScope; 1567 if (cookie->filter) { 1568 free(cookie->filter); 1569 } 1570 cookie->filter = strdup(ref->refFilter); 1571 if (cookie->basedn) { 1572 free(cookie->basedn); 1573 } 1574 cookie->basedn = strdup(ref->refDN); 1575 if (cookie->filter == NULL || cookie->basedn == NULL) { 1576 cookie->err_rc = NS_LDAP_MEMORY; 1577 return (-1); 1578 } 1579 return (0); 1580 } 1581 1582 static int 1583 get_current_session(ns_ldap_cookie_t *cookie) 1584 { 1585 ConnectionID connectionId = -1; 1586 Connection *conp = NULL; 1587 int rc; 1588 int fail_if_new_pwd_reqd = 1; 1589 1590 rc = __s_api_getConnection(NULL, cookie->i_flags, 1591 cookie->i_auth, &connectionId, &conp, 1592 &cookie->errorp, fail_if_new_pwd_reqd, 1593 cookie->nopasswd_acct_mgmt); 1594 1595 /* 1596 * If password control attached in *cookie->errorp, 1597 * e.g. rc == NS_LDAP_SUCCESS_WITH_INFO, 1598 * free the error structure (we do not need 1599 * the sec_to_expired info). 1600 * Reset rc to NS_LDAP_SUCCESS. 1601 */ 1602 if (rc == NS_LDAP_SUCCESS_WITH_INFO) { 1603 (void) __ns_ldap_freeError( 1604 &cookie->errorp); 1605 cookie->errorp = NULL; 1606 rc = NS_LDAP_SUCCESS; 1607 } 1608 1609 if (rc != NS_LDAP_SUCCESS) { 1610 cookie->err_rc = rc; 1611 return (-1); 1612 } 1613 cookie->conn = conp; 1614 cookie->connectionId = connectionId; 1615 1616 return (0); 1617 } 1618 1619 static int 1620 get_next_session(ns_ldap_cookie_t *cookie) 1621 { 1622 ConnectionID connectionId = -1; 1623 Connection *conp = NULL; 1624 int rc; 1625 int fail_if_new_pwd_reqd = 1; 1626 1627 if (cookie->connectionId > -1) 1628 DropConnection(cookie->connectionId, cookie->i_flags); 1629 1630 rc = __s_api_getConnection(NULL, cookie->i_flags, 1631 cookie->i_auth, &connectionId, &conp, 1632 &cookie->errorp, fail_if_new_pwd_reqd, 1633 cookie->nopasswd_acct_mgmt); 1634 1635 /* 1636 * If password control attached in *cookie->errorp, 1637 * e.g. rc == NS_LDAP_SUCCESS_WITH_INFO, 1638 * free the error structure (we do not need 1639 * the sec_to_expired info). 1640 * Reset rc to NS_LDAP_SUCCESS. 1641 */ 1642 if (rc == NS_LDAP_SUCCESS_WITH_INFO) { 1643 (void) __ns_ldap_freeError( 1644 &cookie->errorp); 1645 cookie->errorp = NULL; 1646 rc = NS_LDAP_SUCCESS; 1647 } 1648 1649 if (rc != NS_LDAP_SUCCESS) { 1650 cookie->err_rc = rc; 1651 return (-1); 1652 } 1653 cookie->conn = conp; 1654 cookie->connectionId = connectionId; 1655 return (0); 1656 } 1657 1658 static int 1659 get_referral_session(ns_ldap_cookie_t *cookie) 1660 { 1661 ConnectionID connectionId = -1; 1662 Connection *conp = NULL; 1663 int rc; 1664 int fail_if_new_pwd_reqd = 1; 1665 1666 if (cookie->connectionId > -1) 1667 DropConnection(cookie->connectionId, cookie->i_flags); 1668 1669 rc = __s_api_getConnection(cookie->refpos->refHost, 0, 1670 cookie->i_auth, &connectionId, &conp, 1671 &cookie->errorp, fail_if_new_pwd_reqd, 1672 cookie->nopasswd_acct_mgmt); 1673 1674 /* 1675 * If password control attached in *cookie->errorp, 1676 * e.g. rc == NS_LDAP_SUCCESS_WITH_INFO, 1677 * free the error structure (we do not need 1678 * the sec_to_expired info). 1679 * Reset rc to NS_LDAP_SUCCESS. 1680 */ 1681 if (rc == NS_LDAP_SUCCESS_WITH_INFO) { 1682 (void) __ns_ldap_freeError( 1683 &cookie->errorp); 1684 cookie->errorp = NULL; 1685 rc = NS_LDAP_SUCCESS; 1686 } 1687 1688 if (rc != NS_LDAP_SUCCESS) { 1689 cookie->err_rc = rc; 1690 return (-1); 1691 } 1692 cookie->conn = conp; 1693 cookie->connectionId = connectionId; 1694 return (0); 1695 } 1696 1697 static int 1698 paging_supported(ns_ldap_cookie_t *cookie) 1699 { 1700 int rc; 1701 1702 cookie->listType = 0; 1703 rc = __s_api_isCtrlSupported(cookie->conn, 1704 LDAP_CONTROL_VLVREQUEST); 1705 if (rc == NS_LDAP_SUCCESS) { 1706 cookie->listType = VLVCTRLFLAG; 1707 return (1); 1708 } 1709 rc = __s_api_isCtrlSupported(cookie->conn, 1710 LDAP_CONTROL_SIMPLE_PAGE); 1711 if (rc == NS_LDAP_SUCCESS) { 1712 cookie->listType = SIMPLEPAGECTRLFLAG; 1713 return (1); 1714 } 1715 return (0); 1716 } 1717 1718 static int 1719 setup_vlv_params(ns_ldap_cookie_t *cookie) 1720 { 1721 LDAPControl **ctrls; 1722 LDAPsortkey **sortkeylist; 1723 LDAPControl *sortctrl = NULL; 1724 LDAPControl *vlvctrl = NULL; 1725 LDAPVirtualList vlist; 1726 int rc; 1727 1728 _freeControlList(&cookie->p_serverctrls); 1729 1730 rc = ldap_create_sort_keylist(&sortkeylist, SORTKEYLIST); 1731 if (rc != LDAP_SUCCESS) { 1732 (void) ldap_get_option(cookie->conn->ld, 1733 LDAP_OPT_ERROR_NUMBER, &rc); 1734 return (rc); 1735 } 1736 rc = ldap_create_sort_control(cookie->conn->ld, 1737 sortkeylist, 1, &sortctrl); 1738 ldap_free_sort_keylist(sortkeylist); 1739 if (rc != LDAP_SUCCESS) { 1740 (void) ldap_get_option(cookie->conn->ld, 1741 LDAP_OPT_ERROR_NUMBER, &rc); 1742 return (rc); 1743 } 1744 1745 vlist.ldvlist_index = cookie->index; 1746 vlist.ldvlist_size = 0; 1747 1748 vlist.ldvlist_before_count = 0; 1749 vlist.ldvlist_after_count = LISTPAGESIZE-1; 1750 vlist.ldvlist_attrvalue = NULL; 1751 vlist.ldvlist_extradata = NULL; 1752 1753 rc = ldap_create_virtuallist_control(cookie->conn->ld, 1754 &vlist, &vlvctrl); 1755 if (rc != LDAP_SUCCESS) { 1756 ldap_control_free(sortctrl); 1757 (void) ldap_get_option(cookie->conn->ld, LDAP_OPT_ERROR_NUMBER, 1758 &rc); 1759 return (rc); 1760 } 1761 1762 ctrls = (LDAPControl **)calloc(3, sizeof (LDAPControl *)); 1763 if (ctrls == NULL) { 1764 ldap_control_free(sortctrl); 1765 ldap_control_free(vlvctrl); 1766 return (LDAP_NO_MEMORY); 1767 } 1768 1769 ctrls[0] = sortctrl; 1770 ctrls[1] = vlvctrl; 1771 1772 cookie->p_serverctrls = ctrls; 1773 return (LDAP_SUCCESS); 1774 } 1775 1776 static int 1777 setup_simplepg_params(ns_ldap_cookie_t *cookie) 1778 { 1779 LDAPControl **ctrls; 1780 LDAPControl *pgctrl = NULL; 1781 int rc; 1782 1783 _freeControlList(&cookie->p_serverctrls); 1784 1785 rc = ldap_create_page_control(cookie->conn->ld, LISTPAGESIZE, 1786 cookie->ctrlCookie, (char)0, &pgctrl); 1787 if (rc != LDAP_SUCCESS) { 1788 (void) ldap_get_option(cookie->conn->ld, LDAP_OPT_ERROR_NUMBER, 1789 &rc); 1790 return (rc); 1791 } 1792 1793 ctrls = (LDAPControl **)calloc(2, sizeof (LDAPControl *)); 1794 if (ctrls == NULL) { 1795 ldap_control_free(pgctrl); 1796 return (LDAP_NO_MEMORY); 1797 } 1798 ctrls[0] = pgctrl; 1799 cookie->p_serverctrls = ctrls; 1800 return (LDAP_SUCCESS); 1801 } 1802 1803 static void 1804 proc_result_referrals(ns_ldap_cookie_t *cookie) 1805 { 1806 int errCode, i, rc; 1807 char **referrals = NULL; 1808 1809 /* 1810 * Only follow one level of referrals, i.e. 1811 * if already in referral mode, do nothing 1812 */ 1813 if (cookie->refpos == NULL) { 1814 cookie->new_state = END_RESULT; 1815 rc = ldap_parse_result(cookie->conn->ld, 1816 cookie->resultMsg, 1817 &errCode, NULL, 1818 NULL, &referrals, 1819 NULL, 0); 1820 if (rc != NS_LDAP_SUCCESS) { 1821 (void) ldap_get_option(cookie->conn->ld, 1822 LDAP_OPT_ERROR_NUMBER, 1823 &cookie->err_rc); 1824 cookie->new_state = LDAP_ERROR; 1825 return; 1826 } 1827 if (errCode == LDAP_REFERRAL) { 1828 for (i = 0; referrals[i] != NULL; 1829 i++) { 1830 /* add to referral list */ 1831 rc = __s_api_addRefInfo( 1832 &cookie->reflist, 1833 referrals[i], 1834 cookie->basedn, 1835 &cookie->scope, 1836 cookie->filter, 1837 cookie->conn->ld); 1838 if (rc != NS_LDAP_SUCCESS) { 1839 cookie->new_state = 1840 ERROR; 1841 break; 1842 } 1843 } 1844 ldap_value_free(referrals); 1845 } 1846 } 1847 } 1848 1849 static void 1850 proc_search_references(ns_ldap_cookie_t *cookie) 1851 { 1852 char **refurls = NULL; 1853 int i, rc; 1854 1855 /* 1856 * Only follow one level of referrals, i.e. 1857 * if already in referral mode, do nothing 1858 */ 1859 if (cookie->refpos == NULL) { 1860 refurls = ldap_get_reference_urls( 1861 cookie->conn->ld, 1862 cookie->resultMsg); 1863 if (refurls == NULL) { 1864 (void) ldap_get_option(cookie->conn->ld, 1865 LDAP_OPT_ERROR_NUMBER, 1866 &cookie->err_rc); 1867 cookie->new_state = LDAP_ERROR; 1868 return; 1869 } 1870 for (i = 0; refurls[i] != NULL; i++) { 1871 /* add to referral list */ 1872 rc = __s_api_addRefInfo( 1873 &cookie->reflist, 1874 refurls[i], 1875 cookie->basedn, 1876 &cookie->scope, 1877 cookie->filter, 1878 cookie->conn->ld); 1879 if (rc != NS_LDAP_SUCCESS) { 1880 cookie->new_state = 1881 ERROR; 1882 break; 1883 } 1884 } 1885 /* free allocated storage */ 1886 for (i = 0; refurls[i] != NULL; i++) 1887 free(refurls[i]); 1888 } 1889 } 1890 1891 static ns_state_t 1892 multi_result(ns_ldap_cookie_t *cookie) 1893 { 1894 char errstr[MAXERROR]; 1895 char *err; 1896 ns_ldap_error_t **errorp = NULL; 1897 LDAPControl **retCtrls = NULL; 1898 int i, rc; 1899 int errCode; 1900 int finished = 0; 1901 unsigned long target_posp = 0; 1902 unsigned long list_size = 0; 1903 unsigned int count = 0; 1904 char **referrals = NULL; 1905 1906 if (cookie->listType == VLVCTRLFLAG) { 1907 rc = ldap_parse_result(cookie->conn->ld, cookie->resultMsg, 1908 &errCode, NULL, NULL, &referrals, &retCtrls, 0); 1909 if (rc != LDAP_SUCCESS) { 1910 (void) ldap_get_option(cookie->conn->ld, 1911 LDAP_OPT_ERROR_NUMBER, 1912 &cookie->err_rc); 1913 (void) sprintf(errstr, 1914 gettext("LDAP ERROR (%d): %s.\n"), 1915 cookie->err_rc, 1916 gettext(ldap_err2string(cookie->err_rc))); 1917 err = strdup(errstr); 1918 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, err, 1919 NULL); 1920 cookie->err_rc = NS_LDAP_INTERNAL; 1921 cookie->errorp = *errorp; 1922 return (LDAP_ERROR); 1923 } 1924 if (errCode == LDAP_REFERRAL) { 1925 for (i = 0; referrals[i] != NULL; 1926 i++) { 1927 /* add to referral list */ 1928 rc = __s_api_addRefInfo( 1929 &cookie->reflist, 1930 referrals[i], 1931 cookie->basedn, 1932 &cookie->scope, 1933 cookie->filter, 1934 cookie->conn->ld); 1935 if (rc != NS_LDAP_SUCCESS) { 1936 ldap_value_free( 1937 referrals); 1938 if (retCtrls) 1939 ldap_controls_free( 1940 retCtrls); 1941 return (ERROR); 1942 } 1943 } 1944 ldap_value_free(referrals); 1945 if (retCtrls) 1946 ldap_controls_free(retCtrls); 1947 return (END_RESULT); 1948 } 1949 if (retCtrls) { 1950 rc = ldap_parse_virtuallist_control( 1951 cookie->conn->ld, retCtrls, 1952 &target_posp, &list_size, &errCode); 1953 if (rc == LDAP_SUCCESS) { 1954 cookie->index = target_posp + LISTPAGESIZE; 1955 if (cookie->index > list_size) { 1956 finished = 1; 1957 } 1958 } 1959 ldap_controls_free(retCtrls); 1960 retCtrls = NULL; 1961 } 1962 else 1963 finished = 1; 1964 } else if (cookie->listType == SIMPLEPAGECTRLFLAG) { 1965 rc = ldap_parse_result(cookie->conn->ld, cookie->resultMsg, 1966 &errCode, NULL, NULL, &referrals, &retCtrls, 0); 1967 if (rc != LDAP_SUCCESS) { 1968 (void) ldap_get_option(cookie->conn->ld, 1969 LDAP_OPT_ERROR_NUMBER, 1970 &cookie->err_rc); 1971 (void) sprintf(errstr, 1972 gettext("LDAP ERROR (%d): %s.\n"), 1973 cookie->err_rc, 1974 gettext(ldap_err2string(cookie->err_rc))); 1975 err = strdup(errstr); 1976 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, err, 1977 NULL); 1978 cookie->err_rc = NS_LDAP_INTERNAL; 1979 cookie->errorp = *errorp; 1980 return (LDAP_ERROR); 1981 } 1982 if (errCode == LDAP_REFERRAL) { 1983 for (i = 0; referrals[i] != NULL; 1984 i++) { 1985 /* add to referral list */ 1986 rc = __s_api_addRefInfo( 1987 &cookie->reflist, 1988 referrals[i], 1989 cookie->basedn, 1990 &cookie->scope, 1991 cookie->filter, 1992 cookie->conn->ld); 1993 if (rc != NS_LDAP_SUCCESS) { 1994 ldap_value_free( 1995 referrals); 1996 if (retCtrls) 1997 ldap_controls_free( 1998 retCtrls); 1999 return (ERROR); 2000 } 2001 } 2002 ldap_value_free(referrals); 2003 if (retCtrls) 2004 ldap_controls_free(retCtrls); 2005 return (END_RESULT); 2006 } 2007 if (retCtrls) { 2008 if (cookie->ctrlCookie) 2009 ber_bvfree(cookie->ctrlCookie); 2010 cookie->ctrlCookie = NULL; 2011 rc = ldap_parse_page_control( 2012 cookie->conn->ld, retCtrls, 2013 &count, &cookie->ctrlCookie); 2014 if (rc == LDAP_SUCCESS) { 2015 if ((cookie->ctrlCookie == NULL) || 2016 (cookie->ctrlCookie->bv_val == NULL) || 2017 (cookie->ctrlCookie->bv_len == 0)) 2018 finished = 1; 2019 } 2020 ldap_controls_free(retCtrls); 2021 retCtrls = NULL; 2022 } 2023 else 2024 finished = 1; 2025 } 2026 if (!finished && cookie->listType == VLVCTRLFLAG) 2027 return (NEXT_VLV); 2028 if (!finished && cookie->listType == SIMPLEPAGECTRLFLAG) 2029 return (NEXT_PAGE); 2030 if (finished) 2031 return (END_RESULT); 2032 return (ERROR); 2033 } 2034 2035 /* 2036 * This state machine performs one or more LDAP searches to a given 2037 * directory server using service search descriptors and schema 2038 * mapping as appropriate. The approximate pseudocode for 2039 * this routine is the following: 2040 * Given the current configuration [set/reset connection etc.] 2041 * and the current service search descriptor list 2042 * or default search filter parameters 2043 * foreach (service search filter) { 2044 * initialize the filter [via filter_init if appropriate] 2045 * get a valid session/connection (preferably the current one) 2046 * Recover if the connection is lost 2047 * perform the search 2048 * foreach (result entry) { 2049 * process result [via callback if appropriate] 2050 * save result for caller if accepted. 2051 * exit and return all collected if allResults found; 2052 * } 2053 * } 2054 * return collected results and exit 2055 */ 2056 2057 static 2058 ns_state_t 2059 search_state_machine(ns_ldap_cookie_t *cookie, ns_state_t state, int cycle) 2060 { 2061 char errstr[MAXERROR]; 2062 char *err; 2063 int rc, ret; 2064 ns_ldap_entry_t *nextEntry; 2065 ns_ldap_error_t *error = NULL; 2066 ns_ldap_error_t **errorp; 2067 2068 errorp = &error; 2069 cookie->err_rc = 0; 2070 cookie->state = state; 2071 errstr[0] = '\0'; 2072 2073 for (;;) { 2074 switch (cookie->state) { 2075 case CLEAR_RESULTS: 2076 (void) ldap_abandon_ext(cookie->conn->ld, 2077 cookie->msgId, NULL, NULL); 2078 cookie->new_state = EXIT; 2079 break; 2080 case GET_ACCT_MGMT_INFO: 2081 /* 2082 * Set the flag to get ldap account management controls. 2083 */ 2084 cookie->nopasswd_acct_mgmt = 1; 2085 cookie->new_state = INIT; 2086 break; 2087 case EXIT: 2088 /* state engine/connection cleaned up in delete */ 2089 if (cookie->attribute) { 2090 __s_api_free2dArray(cookie->attribute); 2091 cookie->attribute = NULL; 2092 } 2093 if (cookie->reflist) { 2094 __s_api_deleteRefInfo(cookie->reflist); 2095 cookie->reflist = NULL; 2096 } 2097 return (EXIT); 2098 case INIT: 2099 cookie->sdpos = NULL; 2100 cookie->new_state = NEXT_SEARCH_DESCRIPTOR; 2101 if (cookie->attribute) { 2102 __s_api_free2dArray(cookie->attribute); 2103 cookie->attribute = NULL; 2104 } 2105 if ((cookie->i_flags & NS_LDAP_NOMAP) == 0 && 2106 cookie->i_attr) { 2107 cookie->attribute = 2108 __ns_ldap_mapAttributeList( 2109 cookie->service, 2110 cookie->i_attr); 2111 } 2112 break; 2113 case NEXT_SEARCH_DESCRIPTOR: 2114 /* get next search descriptor */ 2115 if (cookie->sdpos == NULL) { 2116 cookie->sdpos = cookie->sdlist; 2117 cookie->new_state = GET_SESSION; 2118 } else { 2119 cookie->sdpos++; 2120 cookie->new_state = NEXT_SEARCH; 2121 } 2122 if (*cookie->sdpos == NULL) 2123 cookie->new_state = EXIT; 2124 break; 2125 case GET_SESSION: 2126 if (get_current_session(cookie) < 0) 2127 cookie->new_state = NEXT_SESSION; 2128 else 2129 cookie->new_state = NEXT_SEARCH; 2130 break; 2131 case NEXT_SESSION: 2132 if (get_next_session(cookie) < 0) 2133 cookie->new_state = RESTART_SESSION; 2134 else 2135 cookie->new_state = NEXT_SEARCH; 2136 break; 2137 case RESTART_SESSION: 2138 if (cookie->i_flags & NS_LDAP_HARD) { 2139 cookie->new_state = NEXT_SESSION; 2140 break; 2141 } 2142 (void) sprintf(errstr, 2143 gettext("Session error no available conn.\n"), 2144 state); 2145 err = strdup(errstr); 2146 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, err, 2147 NULL); 2148 cookie->err_rc = NS_LDAP_INTERNAL; 2149 cookie->errorp = *errorp; 2150 cookie->new_state = EXIT; 2151 break; 2152 case NEXT_SEARCH: 2153 /* setup referrals search if necessary */ 2154 if (cookie->refpos) { 2155 if (setup_referral_search(cookie) < 0) { 2156 cookie->new_state = EXIT; 2157 break; 2158 } 2159 } else if (setup_next_search(cookie) < 0) { 2160 cookie->new_state = EXIT; 2161 break; 2162 } 2163 /* only do VLV/PAGE on scopes onelevel/subtree */ 2164 if (paging_supported(cookie)) { 2165 if (cookie->use_paging && 2166 (cookie->scope != LDAP_SCOPE_BASE)) { 2167 cookie->index = 1; 2168 if (cookie->listType == VLVCTRLFLAG) 2169 cookie->new_state = NEXT_VLV; 2170 else 2171 cookie->new_state = NEXT_PAGE; 2172 break; 2173 } 2174 } 2175 cookie->new_state = ONE_SEARCH; 2176 break; 2177 case NEXT_VLV: 2178 rc = setup_vlv_params(cookie); 2179 if (rc != LDAP_SUCCESS) { 2180 cookie->err_rc = rc; 2181 cookie->new_state = LDAP_ERROR; 2182 break; 2183 } 2184 cookie->next_state = MULTI_RESULT; 2185 cookie->new_state = DO_SEARCH; 2186 break; 2187 case NEXT_PAGE: 2188 rc = setup_simplepg_params(cookie); 2189 if (rc != LDAP_SUCCESS) { 2190 cookie->err_rc = rc; 2191 cookie->new_state = LDAP_ERROR; 2192 break; 2193 } 2194 cookie->next_state = MULTI_RESULT; 2195 cookie->new_state = DO_SEARCH; 2196 break; 2197 case ONE_SEARCH: 2198 cookie->next_state = NEXT_RESULT; 2199 cookie->new_state = DO_SEARCH; 2200 break; 2201 case DO_SEARCH: 2202 rc = ldap_search_ext(cookie->conn->ld, 2203 cookie->basedn, 2204 cookie->scope, 2205 cookie->filter, 2206 cookie->attribute, 2207 0, 2208 cookie->p_serverctrls, 2209 NULL, 2210 &cookie->search_timeout, 0, 2211 &cookie->msgId); 2212 if (rc != LDAP_SUCCESS) { 2213 if (rc == LDAP_BUSY || 2214 rc == LDAP_UNAVAILABLE || 2215 rc == LDAP_UNWILLING_TO_PERFORM || 2216 rc == LDAP_CONNECT_ERROR || 2217 rc == LDAP_SERVER_DOWN) { 2218 2219 cookie->new_state = NEXT_SESSION; 2220 2221 /* 2222 * If not able to reach the 2223 * server, inform the ldap 2224 * cache manager that the 2225 * server should be removed 2226 * from it's server list. 2227 * Thus, the manager will not 2228 * return this server on the next 2229 * get-server request and will 2230 * also reduce the server list 2231 * refresh TTL, so that it will 2232 * find out sooner when the server 2233 * is up again. 2234 */ 2235 if (rc == LDAP_CONNECT_ERROR || 2236 rc == LDAP_SERVER_DOWN) { 2237 ret = __s_api_removeServer( 2238 cookie->conn->serverAddr); 2239 if (ret == NOSERVER && 2240 cookie->conn_auth_type 2241 == NS_LDAP_AUTH_NONE) { 2242 /* 2243 * Couldn't remove 2244 * server from server 2245 * list. 2246 * Exit to avoid 2247 * potential infinite 2248 * loop. 2249 */ 2250 cookie->err_rc = rc; 2251 cookie->new_state = 2252 LDAP_ERROR; 2253 } 2254 if (cookie->connectionId > -1) { 2255 /* 2256 * NS_LDAP_NEW_CONN 2257 * indicates that the 2258 * connection should 2259 * be deleted, not 2260 * kept alive 2261 */ 2262 DropConnection( 2263 cookie-> 2264 connectionId, 2265 NS_LDAP_NEW_CONN); 2266 cookie->connectionId = 2267 -1; 2268 } 2269 } 2270 break; 2271 } 2272 cookie->err_rc = rc; 2273 cookie->new_state = LDAP_ERROR; 2274 break; 2275 } 2276 cookie->new_state = cookie->next_state; 2277 break; 2278 case NEXT_RESULT: 2279 rc = ldap_result(cookie->conn->ld, cookie->msgId, 2280 LDAP_MSG_ONE, 2281 (struct timeval *)&cookie->search_timeout, 2282 &cookie->resultMsg); 2283 if (rc == LDAP_RES_SEARCH_RESULT) { 2284 cookie->new_state = END_RESULT; 2285 /* check and process referrals info */ 2286 if (cookie->followRef) 2287 proc_result_referrals( 2288 cookie); 2289 (void) ldap_msgfree(cookie->resultMsg); 2290 cookie->resultMsg = NULL; 2291 break; 2292 } 2293 /* handle referrals if necessary */ 2294 if (rc == LDAP_RES_SEARCH_REFERENCE) { 2295 if (cookie->followRef) 2296 proc_search_references(cookie); 2297 (void) ldap_msgfree(cookie->resultMsg); 2298 cookie->resultMsg = NULL; 2299 break; 2300 } 2301 if (rc != LDAP_RES_SEARCH_ENTRY) { 2302 switch (rc) { 2303 case 0: 2304 rc = LDAP_TIMEOUT; 2305 break; 2306 case -1: 2307 rc = ldap_get_lderrno(cookie->conn->ld, 2308 NULL, NULL); 2309 break; 2310 default: 2311 rc = ldap_result2error(cookie->conn->ld, 2312 cookie->resultMsg, 1); 2313 break; 2314 } 2315 if (rc == LDAP_TIMEOUT || 2316 rc == LDAP_SERVER_DOWN) { 2317 if (rc == LDAP_TIMEOUT) 2318 (void) __s_api_removeServer( 2319 cookie->conn->serverAddr); 2320 if (cookie->connectionId > -1) { 2321 DropConnection( 2322 cookie->connectionId, 2323 NS_LDAP_NEW_CONN); 2324 cookie->connectionId = -1; 2325 } 2326 cookie->err_from_result = 1; 2327 } 2328 (void) ldap_msgfree(cookie->resultMsg); 2329 cookie->resultMsg = NULL; 2330 if (rc == LDAP_BUSY || 2331 rc == LDAP_UNAVAILABLE || 2332 rc == LDAP_UNWILLING_TO_PERFORM) { 2333 cookie->new_state = NEXT_SESSION; 2334 break; 2335 } 2336 cookie->err_rc = rc; 2337 cookie->new_state = LDAP_ERROR; 2338 break; 2339 } 2340 /* else LDAP_RES_SEARCH_ENTRY */ 2341 /* get account management response control */ 2342 if (cookie->nopasswd_acct_mgmt == 1) { 2343 rc = ldap_get_entry_controls(cookie->conn->ld, 2344 cookie->resultMsg, 2345 &(cookie->resultctrl)); 2346 if (rc != LDAP_SUCCESS) { 2347 cookie->new_state = LDAP_ERROR; 2348 cookie->err_rc = rc; 2349 break; 2350 } 2351 } 2352 rc = __s_api_getEntry(cookie); 2353 (void) ldap_msgfree(cookie->resultMsg); 2354 cookie->resultMsg = NULL; 2355 if (rc != NS_LDAP_SUCCESS) { 2356 cookie->new_state = LDAP_ERROR; 2357 break; 2358 } 2359 cookie->new_state = PROCESS_RESULT; 2360 cookie->next_state = NEXT_RESULT; 2361 break; 2362 case MULTI_RESULT: 2363 rc = ldap_result(cookie->conn->ld, cookie->msgId, 2364 LDAP_MSG_ONE, 2365 (struct timeval *)&cookie->search_timeout, 2366 &cookie->resultMsg); 2367 if (rc == LDAP_RES_SEARCH_RESULT) { 2368 rc = ldap_result2error(cookie->conn->ld, 2369 cookie->resultMsg, 0); 2370 if (rc != LDAP_SUCCESS) { 2371 cookie->err_rc = rc; 2372 cookie->new_state = LDAP_ERROR; 2373 (void) ldap_msgfree(cookie->resultMsg); 2374 break; 2375 } 2376 cookie->new_state = multi_result(cookie); 2377 (void) ldap_msgfree(cookie->resultMsg); 2378 cookie->resultMsg = NULL; 2379 break; 2380 } 2381 /* handle referrals if necessary */ 2382 if (rc == LDAP_RES_SEARCH_REFERENCE && 2383 cookie->followRef) { 2384 proc_search_references(cookie); 2385 (void) ldap_msgfree(cookie->resultMsg); 2386 cookie->resultMsg = NULL; 2387 break; 2388 } 2389 if (rc != LDAP_RES_SEARCH_ENTRY) { 2390 switch (rc) { 2391 case 0: 2392 rc = LDAP_TIMEOUT; 2393 break; 2394 case -1: 2395 rc = ldap_get_lderrno(cookie->conn->ld, 2396 NULL, NULL); 2397 break; 2398 default: 2399 rc = ldap_result2error(cookie->conn->ld, 2400 cookie->resultMsg, 1); 2401 break; 2402 } 2403 if (rc == LDAP_TIMEOUT || 2404 rc == LDAP_SERVER_DOWN) { 2405 if (rc == LDAP_TIMEOUT) 2406 (void) __s_api_removeServer( 2407 cookie->conn->serverAddr); 2408 if (cookie->connectionId > -1) { 2409 DropConnection( 2410 cookie->connectionId, 2411 NS_LDAP_NEW_CONN); 2412 cookie->connectionId = -1; 2413 } 2414 cookie->err_from_result = 1; 2415 } 2416 (void) ldap_msgfree(cookie->resultMsg); 2417 cookie->resultMsg = NULL; 2418 if (rc == LDAP_BUSY || 2419 rc == LDAP_UNAVAILABLE || 2420 rc == LDAP_UNWILLING_TO_PERFORM) { 2421 cookie->new_state = NEXT_SESSION; 2422 break; 2423 } 2424 cookie->err_rc = rc; 2425 cookie->new_state = LDAP_ERROR; 2426 break; 2427 } 2428 /* else LDAP_RES_SEARCH_ENTRY */ 2429 rc = __s_api_getEntry(cookie); 2430 (void) ldap_msgfree(cookie->resultMsg); 2431 cookie->resultMsg = NULL; 2432 if (rc != NS_LDAP_SUCCESS) { 2433 cookie->new_state = LDAP_ERROR; 2434 break; 2435 } 2436 cookie->new_state = PROCESS_RESULT; 2437 cookie->next_state = MULTI_RESULT; 2438 break; 2439 case PROCESS_RESULT: 2440 /* NOTE THIS STATE MAY BE PROCESSED BY CALLER */ 2441 if (cookie->use_usercb && cookie->callback) { 2442 rc = 0; 2443 for (nextEntry = cookie->result->entry; 2444 nextEntry != NULL; 2445 nextEntry = nextEntry->next) { 2446 rc = (*cookie->callback)(nextEntry, 2447 cookie->userdata); 2448 2449 if (rc == NS_LDAP_CB_DONE) { 2450 /* cb doesn't want any more data */ 2451 rc = NS_LDAP_PARTIAL; 2452 cookie->err_rc = rc; 2453 break; 2454 } else if (rc != NS_LDAP_CB_NEXT) { 2455 /* invalid return code */ 2456 rc = NS_LDAP_OP_FAILED; 2457 cookie->err_rc = rc; 2458 break; 2459 } 2460 } 2461 (void) __ns_ldap_freeResult(&cookie->result); 2462 cookie->result = NULL; 2463 } 2464 if (rc != 0) { 2465 cookie->new_state = EXIT; 2466 break; 2467 } 2468 /* NOTE PREVIOUS STATE SPECIFIES NEXT STATE */ 2469 cookie->new_state = cookie->next_state; 2470 break; 2471 case END_PROCESS_RESULT: 2472 cookie->new_state = cookie->next_state; 2473 break; 2474 case END_RESULT: 2475 /* 2476 * XXX DO WE NEED THIS CASE? 2477 * if (search is complete) { 2478 * cookie->new_state = EXIT; 2479 * } else 2480 */ 2481 /* 2482 * entering referral mode if necessary 2483 */ 2484 if (cookie->followRef && cookie->reflist) 2485 cookie->new_state = 2486 NEXT_REFERRAL; 2487 else 2488 cookie->new_state = 2489 NEXT_SEARCH_DESCRIPTOR; 2490 break; 2491 case NEXT_REFERRAL: 2492 /* get next referral info */ 2493 if (cookie->refpos == NULL) 2494 cookie->refpos = 2495 cookie->reflist; 2496 else 2497 cookie->refpos = 2498 cookie->refpos->next; 2499 /* check see if done with all referrals */ 2500 if (cookie->refpos != NULL) 2501 cookie->new_state = 2502 GET_REFERRAL_SESSION; 2503 else { 2504 __s_api_deleteRefInfo(cookie->reflist); 2505 cookie->reflist = NULL; 2506 cookie->new_state = 2507 NEXT_SEARCH_DESCRIPTOR; 2508 } 2509 break; 2510 case GET_REFERRAL_SESSION: 2511 if (get_referral_session(cookie) < 0) 2512 cookie->new_state = EXIT; 2513 else { 2514 cookie->new_state = NEXT_SEARCH; 2515 } 2516 break; 2517 case LDAP_ERROR: 2518 if (cookie->err_from_result) { 2519 if (cookie->err_rc == LDAP_SERVER_DOWN) { 2520 (void) sprintf(errstr, 2521 gettext("LDAP ERROR (%d): " 2522 "Error occurred during" 2523 " receiving results. " 2524 "This may be due to a " 2525 "stalled connection."), 2526 cookie->err_rc); 2527 } else if (cookie->err_rc == LDAP_TIMEOUT) { 2528 (void) sprintf(errstr, 2529 gettext("LDAP ERROR (%d): " 2530 "Error occurred during" 2531 " receiving results. %s" 2532 "."), cookie->err_rc, 2533 ldap_err2string( 2534 cookie->err_rc)); 2535 } 2536 } else 2537 (void) sprintf(errstr, 2538 gettext("LDAP ERROR (%d): %s."), 2539 cookie->err_rc, 2540 ldap_err2string(cookie->err_rc)); 2541 err = strdup(errstr); 2542 if (cookie->err_from_result) { 2543 MKERROR(LOG_WARNING, *errorp, cookie->err_rc, 2544 err, NULL); 2545 } else { 2546 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, 2547 err, NULL); 2548 } 2549 cookie->err_rc = NS_LDAP_INTERNAL; 2550 cookie->errorp = *errorp; 2551 return (ERROR); 2552 default: 2553 case ERROR: 2554 (void) sprintf(errstr, 2555 gettext("Internal State machine exit (%d).\n"), 2556 cookie->state); 2557 err = strdup(errstr); 2558 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, err, 2559 NULL); 2560 cookie->err_rc = NS_LDAP_INTERNAL; 2561 cookie->errorp = *errorp; 2562 return (ERROR); 2563 } 2564 2565 if (cycle == ONE_STEP) { 2566 return (cookie->new_state); 2567 } 2568 cookie->state = cookie->new_state; 2569 } 2570 /*NOTREACHED*/ 2571 #if 0 2572 (void) sprintf(errstr, 2573 gettext("Unexpected State machine error.\n")); 2574 err = strdup(errstr); 2575 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, err, NULL); 2576 cookie->err_rc = NS_LDAP_INTERNAL; 2577 cookie->errorp = *errorp; 2578 return (ERROR); 2579 #endif 2580 } 2581 2582 2583 2584 /* 2585 * __ns_ldap_list performs one or more LDAP searches to a given 2586 * directory server using service search descriptors and schema 2587 * mapping as appropriate. 2588 */ 2589 2590 int 2591 __ns_ldap_list( 2592 const char *service, 2593 const char *filter, 2594 int (*init_filter_cb)(const ns_ldap_search_desc_t *desc, 2595 char **realfilter, const void *userdata), 2596 const char * const *attribute, 2597 const ns_cred_t *auth, 2598 const int flags, 2599 ns_ldap_result_t **rResult, /* return result entries */ 2600 ns_ldap_error_t **errorp, 2601 int (*callback)(const ns_ldap_entry_t *entry, const void *userdata), 2602 const void *userdata) 2603 { 2604 ns_ldap_cookie_t *cookie; 2605 ns_ldap_search_desc_t **sdlist = NULL; 2606 ns_ldap_search_desc_t *dptr; 2607 ns_ldap_error_t *error = NULL; 2608 char **dns = NULL; 2609 int scope; 2610 int rc; 2611 int from_result; 2612 2613 *errorp = NULL; 2614 2615 /* Initialize State machine cookie */ 2616 cookie = init_search_state_machine(); 2617 if (cookie == NULL) { 2618 return (NS_LDAP_MEMORY); 2619 } 2620 2621 /* see if need to follow referrals */ 2622 rc = __s_api_toFollowReferrals(flags, 2623 &cookie->followRef, errorp); 2624 if (rc != NS_LDAP_SUCCESS) { 2625 delete_search_cookie(cookie); 2626 return (rc); 2627 } 2628 2629 /* get the service descriptor - or create a default one */ 2630 rc = __s_api_get_SSD_from_SSDtoUse_service(service, 2631 &sdlist, errorp); 2632 if (rc != NS_LDAP_SUCCESS) { 2633 delete_search_cookie(cookie); 2634 *errorp = error; 2635 return (rc); 2636 } 2637 2638 if (sdlist == NULL) { 2639 /* Create default service Desc */ 2640 sdlist = (ns_ldap_search_desc_t **)calloc(2, 2641 sizeof (ns_ldap_search_desc_t *)); 2642 if (sdlist == NULL) { 2643 delete_search_cookie(cookie); 2644 cookie = NULL; 2645 return (NS_LDAP_MEMORY); 2646 } 2647 dptr = (ns_ldap_search_desc_t *) 2648 calloc(1, sizeof (ns_ldap_search_desc_t)); 2649 if (dptr == NULL) { 2650 free(sdlist); 2651 delete_search_cookie(cookie); 2652 cookie = NULL; 2653 return (NS_LDAP_MEMORY); 2654 } 2655 sdlist[0] = dptr; 2656 2657 /* default base */ 2658 rc = __s_api_getDNs(&dns, service, &cookie->errorp); 2659 if (rc != NS_LDAP_SUCCESS) { 2660 if (dns) { 2661 __s_api_free2dArray(dns); 2662 dns = NULL; 2663 } 2664 *errorp = cookie->errorp; 2665 cookie->errorp = NULL; 2666 delete_search_cookie(cookie); 2667 cookie = NULL; 2668 return (rc); 2669 } 2670 dptr->basedn = strdup(dns[0]); 2671 __s_api_free2dArray(dns); 2672 dns = NULL; 2673 2674 /* default scope */ 2675 scope = 0; 2676 rc = __s_api_getSearchScope(&scope, &cookie->errorp); 2677 dptr->scope = scope; 2678 } 2679 2680 cookie->sdlist = sdlist; 2681 2682 /* 2683 * use VLV/PAGE control only if NS_LDAP_PAGE_CTRL is set 2684 */ 2685 if (flags & NS_LDAP_PAGE_CTRL) 2686 cookie->use_paging = TRUE; 2687 else 2688 cookie->use_paging = FALSE; 2689 2690 /* Set up other arguments */ 2691 cookie->userdata = userdata; 2692 if (init_filter_cb != NULL) { 2693 cookie->init_filter_cb = init_filter_cb; 2694 cookie->use_filtercb = 1; 2695 } 2696 if (callback != NULL) { 2697 cookie->callback = callback; 2698 cookie->use_usercb = 1; 2699 } 2700 if (service) { 2701 cookie->service = strdup(service); 2702 if (cookie->service == NULL) { 2703 delete_search_cookie(cookie); 2704 cookie = NULL; 2705 return (NS_LDAP_MEMORY); 2706 } 2707 } 2708 2709 cookie->i_filter = strdup(filter); 2710 cookie->i_attr = attribute; 2711 cookie->i_auth = auth; 2712 cookie->i_flags = flags; 2713 2714 /* Process search */ 2715 rc = search_state_machine(cookie, INIT, 0); 2716 2717 /* Copy results back to user */ 2718 rc = cookie->err_rc; 2719 if (rc != NS_LDAP_SUCCESS) 2720 *errorp = cookie->errorp; 2721 *rResult = cookie->result; 2722 from_result = cookie->err_from_result; 2723 2724 cookie->errorp = NULL; 2725 cookie->result = NULL; 2726 delete_search_cookie(cookie); 2727 cookie = NULL; 2728 2729 if (from_result == 0 && *rResult == NULL) 2730 rc = NS_LDAP_NOTFOUND; 2731 return (rc); 2732 } 2733 2734 /* 2735 * __s_api_find_domainname performs one or more LDAP searches to 2736 * find the value of the nisdomain attribute associated with 2737 * the input DN 2738 */ 2739 2740 static int 2741 __s_api_find_domainname( 2742 const char *dn, 2743 char **domainname, 2744 const ns_cred_t *cred, 2745 ns_ldap_error_t **errorp) 2746 { 2747 2748 ns_ldap_cookie_t *cookie; 2749 ns_ldap_search_desc_t **sdlist; 2750 ns_ldap_search_desc_t *dptr; 2751 int rc; 2752 char **value; 2753 int flags = 0; 2754 2755 *domainname = NULL; 2756 *errorp = NULL; 2757 2758 /* Initialize State machine cookie */ 2759 cookie = init_search_state_machine(); 2760 if (cookie == NULL) { 2761 return (NS_LDAP_MEMORY); 2762 } 2763 2764 /* see if need to follow referrals */ 2765 rc = __s_api_toFollowReferrals(flags, 2766 &cookie->followRef, errorp); 2767 if (rc != NS_LDAP_SUCCESS) { 2768 delete_search_cookie(cookie); 2769 return (rc); 2770 } 2771 2772 /* Create default service Desc */ 2773 sdlist = (ns_ldap_search_desc_t **)calloc(2, 2774 sizeof (ns_ldap_search_desc_t *)); 2775 if (sdlist == NULL) { 2776 delete_search_cookie(cookie); 2777 cookie = NULL; 2778 return (NS_LDAP_MEMORY); 2779 } 2780 dptr = (ns_ldap_search_desc_t *) 2781 calloc(1, sizeof (ns_ldap_search_desc_t)); 2782 if (dptr == NULL) { 2783 free(sdlist); 2784 delete_search_cookie(cookie); 2785 cookie = NULL; 2786 return (NS_LDAP_MEMORY); 2787 } 2788 sdlist[0] = dptr; 2789 2790 /* search base is dn */ 2791 dptr->basedn = strdup(dn); 2792 2793 /* search scope is base */ 2794 dptr->scope = NS_LDAP_SCOPE_BASE; 2795 2796 /* search filter is "nisdomain=*" */ 2797 dptr->filter = strdup(_NIS_FILTER); 2798 2799 cookie->sdlist = sdlist; 2800 cookie->i_filter = strdup(dptr->filter); 2801 cookie->i_attr = nis_domain_attrs; 2802 cookie->i_auth = cred; 2803 cookie->i_flags = 0; 2804 2805 /* Process search */ 2806 rc = search_state_machine(cookie, INIT, 0); 2807 2808 /* Copy domain name if found */ 2809 rc = cookie->err_rc; 2810 if (rc != NS_LDAP_SUCCESS) 2811 *errorp = cookie->errorp; 2812 if (cookie->result == NULL) 2813 rc = NS_LDAP_NOTFOUND; 2814 if (rc == NS_LDAP_SUCCESS) { 2815 value = __ns_ldap_getAttr(cookie->result->entry, 2816 _NIS_DOMAIN); 2817 if (value[0]) 2818 *domainname = strdup(value[0]); 2819 else 2820 rc = NS_LDAP_NOTFOUND; 2821 } 2822 if (cookie->result != NULL) 2823 (void) __ns_ldap_freeResult(&cookie->result); 2824 cookie->errorp = NULL; 2825 delete_search_cookie(cookie); 2826 cookie = NULL; 2827 return (rc); 2828 } 2829 2830 int 2831 __ns_ldap_firstEntry( 2832 const char *service, 2833 const char *filter, 2834 int (*init_filter_cb)(const ns_ldap_search_desc_t *desc, 2835 char **realfilter, const void *userdata), 2836 const char * const *attribute, 2837 const ns_cred_t *auth, 2838 const int flags, 2839 void **vcookie, 2840 ns_ldap_result_t **result, 2841 ns_ldap_error_t ** errorp, 2842 const void *userdata) 2843 { 2844 ns_ldap_cookie_t *cookie = NULL; 2845 ns_ldap_error_t *error = NULL; 2846 ns_state_t state; 2847 ns_ldap_search_desc_t **sdlist; 2848 ns_ldap_search_desc_t *dptr; 2849 char **dns = NULL; 2850 int scope; 2851 int rc; 2852 2853 *errorp = NULL; 2854 *result = NULL; 2855 2856 /* get the service descriptor - or create a default one */ 2857 rc = __s_api_get_SSD_from_SSDtoUse_service(service, 2858 &sdlist, errorp); 2859 if (rc != NS_LDAP_SUCCESS) { 2860 *errorp = error; 2861 return (rc); 2862 } 2863 if (sdlist == NULL) { 2864 /* Create default service Desc */ 2865 sdlist = (ns_ldap_search_desc_t **)calloc(2, 2866 sizeof (ns_ldap_search_desc_t *)); 2867 if (sdlist == NULL) { 2868 return (NS_LDAP_MEMORY); 2869 } 2870 dptr = (ns_ldap_search_desc_t *) 2871 calloc(1, sizeof (ns_ldap_search_desc_t)); 2872 if (dptr == NULL) { 2873 free(sdlist); 2874 return (NS_LDAP_MEMORY); 2875 } 2876 sdlist[0] = dptr; 2877 2878 /* default base */ 2879 rc = __s_api_getDNs(&dns, service, &error); 2880 if (rc != NS_LDAP_SUCCESS) { 2881 if (dns) { 2882 __s_api_free2dArray(dns); 2883 dns = NULL; 2884 } 2885 if (sdlist) { 2886 (void) __ns_ldap_freeSearchDescriptors( 2887 &sdlist); 2888 2889 sdlist = NULL; 2890 } 2891 *errorp = error; 2892 return (rc); 2893 } 2894 dptr->basedn = strdup(dns[0]); 2895 __s_api_free2dArray(dns); 2896 dns = NULL; 2897 2898 /* default scope */ 2899 scope = 0; 2900 cookie = init_search_state_machine(); 2901 if (cookie == NULL) { 2902 if (sdlist) { 2903 (void) __ns_ldap_freeSearchDescriptors(&sdlist); 2904 sdlist = NULL; 2905 } 2906 return (NS_LDAP_MEMORY); 2907 } 2908 rc = __s_api_getSearchScope(&scope, &cookie->errorp); 2909 dptr->scope = scope; 2910 } 2911 2912 /* Initialize State machine cookie */ 2913 if (cookie == NULL) 2914 cookie = init_search_state_machine(); 2915 if (cookie == NULL) { 2916 if (sdlist) { 2917 (void) __ns_ldap_freeSearchDescriptors(&sdlist); 2918 sdlist = NULL; 2919 } 2920 return (NS_LDAP_MEMORY); 2921 } 2922 2923 cookie->sdlist = sdlist; 2924 2925 /* see if need to follow referrals */ 2926 rc = __s_api_toFollowReferrals(flags, 2927 &cookie->followRef, errorp); 2928 if (rc != NS_LDAP_SUCCESS) { 2929 delete_search_cookie(cookie); 2930 return (rc); 2931 } 2932 2933 /* 2934 * use VLV/PAGE control only if NS_LDAP_NO_PAGE_CTRL is not set 2935 */ 2936 if (flags & NS_LDAP_NO_PAGE_CTRL) 2937 cookie->use_paging = FALSE; 2938 else 2939 cookie->use_paging = TRUE; 2940 2941 /* Set up other arguments */ 2942 cookie->userdata = userdata; 2943 if (init_filter_cb != NULL) { 2944 cookie->init_filter_cb = init_filter_cb; 2945 cookie->use_filtercb = 1; 2946 } 2947 cookie->use_usercb = 0; 2948 if (service) { 2949 cookie->service = strdup(service); 2950 if (cookie->service == NULL) { 2951 delete_search_cookie(cookie); 2952 return (NS_LDAP_MEMORY); 2953 } 2954 } 2955 2956 cookie->i_filter = strdup(filter); 2957 cookie->i_attr = attribute; 2958 cookie->i_auth = auth; 2959 cookie->i_flags = flags; 2960 2961 state = INIT; 2962 for (;;) { 2963 state = search_state_machine(cookie, state, ONE_STEP); 2964 switch (state) { 2965 case PROCESS_RESULT: 2966 *result = cookie->result; 2967 cookie->result = NULL; 2968 *vcookie = (void *)cookie; 2969 return (NS_LDAP_SUCCESS); 2970 case ERROR: 2971 case LDAP_ERROR: 2972 rc = cookie->err_rc; 2973 *errorp = cookie->errorp; 2974 cookie->errorp = NULL; 2975 delete_search_cookie(cookie); 2976 return (rc); 2977 case EXIT: 2978 rc = cookie->err_rc; 2979 if (rc != NS_LDAP_SUCCESS) { 2980 *errorp = cookie->errorp; 2981 cookie->errorp = NULL; 2982 } else { 2983 rc = NS_LDAP_NOTFOUND; 2984 } 2985 2986 delete_search_cookie(cookie); 2987 return (rc); 2988 2989 default: 2990 break; 2991 } 2992 } 2993 } 2994 2995 /*ARGSUSED2*/ 2996 int 2997 __ns_ldap_nextEntry( 2998 void *vcookie, 2999 ns_ldap_result_t **result, 3000 ns_ldap_error_t ** errorp) 3001 { 3002 ns_ldap_cookie_t *cookie; 3003 ns_state_t state; 3004 int rc; 3005 3006 cookie = (ns_ldap_cookie_t *)vcookie; 3007 cookie->result = NULL; 3008 *result = NULL; 3009 3010 state = END_PROCESS_RESULT; 3011 for (;;) { 3012 /* 3013 * if the ldap connection being used is shared, 3014 * ensure the thread-specific data area for setting 3015 * status is allocated 3016 */ 3017 if (cookie->conn->shared > 0) { 3018 rc = __s_api_check_MTC_tsd(); 3019 if (rc != NS_LDAP_SUCCESS) 3020 return (rc); 3021 } 3022 3023 state = search_state_machine(cookie, state, ONE_STEP); 3024 switch (state) { 3025 case PROCESS_RESULT: 3026 *result = cookie->result; 3027 cookie->result = NULL; 3028 return (NS_LDAP_SUCCESS); 3029 case ERROR: 3030 case LDAP_ERROR: 3031 rc = cookie->err_rc; 3032 *errorp = cookie->errorp; 3033 cookie->errorp = NULL; 3034 return (rc); 3035 case EXIT: 3036 return (NS_LDAP_SUCCESS); 3037 } 3038 } 3039 } 3040 3041 int 3042 __ns_ldap_endEntry( 3043 void **vcookie, 3044 ns_ldap_error_t ** errorp) 3045 { 3046 ns_ldap_cookie_t *cookie; 3047 int rc; 3048 3049 if (*vcookie == NULL) 3050 return (NS_LDAP_INVALID_PARAM); 3051 3052 cookie = (ns_ldap_cookie_t *)(*vcookie); 3053 cookie->result = NULL; 3054 3055 /* Complete search */ 3056 rc = search_state_machine(cookie, CLEAR_RESULTS, 0); 3057 3058 /* Copy results back to user */ 3059 rc = cookie->err_rc; 3060 if (rc != NS_LDAP_SUCCESS) 3061 *errorp = cookie->errorp; 3062 3063 cookie->errorp = NULL; 3064 delete_search_cookie(cookie); 3065 cookie = NULL; 3066 *vcookie = NULL; 3067 3068 return (rc); 3069 } 3070 3071 3072 int 3073 __ns_ldap_freeResult(ns_ldap_result_t **result) 3074 { 3075 3076 ns_ldap_entry_t *curEntry = NULL; 3077 ns_ldap_entry_t *delEntry = NULL; 3078 int i; 3079 ns_ldap_result_t *res = *result; 3080 3081 #ifdef DEBUG 3082 (void) fprintf(stderr, "__ns_ldap_freeResult START\n"); 3083 #endif 3084 if (res == NULL) 3085 return (NS_LDAP_INVALID_PARAM); 3086 3087 if (res->entry != NULL) 3088 curEntry = res->entry; 3089 3090 for (i = 0; i < res->entries_count; i++) { 3091 if (curEntry != NULL) { 3092 delEntry = curEntry; 3093 curEntry = curEntry->next; 3094 __ns_ldap_freeEntry(delEntry); 3095 } 3096 } 3097 3098 free(res); 3099 *result = NULL; 3100 return (NS_LDAP_SUCCESS); 3101 } 3102 3103 /*ARGSUSED*/ 3104 int 3105 __ns_ldap_auth(const ns_cred_t *auth, 3106 const int flags, 3107 ns_ldap_error_t **errorp, 3108 LDAPControl **serverctrls, 3109 LDAPControl **clientctrls) 3110 { 3111 3112 ConnectionID connectionId = -1; 3113 Connection *conp; 3114 int rc = 0; 3115 int do_not_fail_if_new_pwd_reqd = 0; 3116 int nopasswd_acct_mgmt = 0; 3117 3118 3119 #ifdef DEBUG 3120 (void) fprintf(stderr, "__ns_ldap_auth START\n"); 3121 #endif 3122 3123 *errorp = NULL; 3124 if (!auth) 3125 return (NS_LDAP_INVALID_PARAM); 3126 3127 rc = __s_api_getConnection(NULL, flags | NS_LDAP_NEW_CONN, 3128 auth, &connectionId, &conp, errorp, 3129 do_not_fail_if_new_pwd_reqd, nopasswd_acct_mgmt); 3130 if (rc == NS_LDAP_OP_FAILED && *errorp) 3131 (void) __ns_ldap_freeError(errorp); 3132 3133 if (connectionId > -1) 3134 DropConnection(connectionId, flags); 3135 return (rc); 3136 } 3137 3138 char ** 3139 __ns_ldap_getAttr(const ns_ldap_entry_t *entry, const char *attrname) 3140 { 3141 int i; 3142 3143 if (entry == NULL) 3144 return (NULL); 3145 for (i = 0; i < entry->attr_count; i++) { 3146 if (strcasecmp(entry->attr_pair[i]->attrname, attrname) == NULL) 3147 return (entry->attr_pair[i]->attrvalue); 3148 } 3149 return (NULL); 3150 } 3151 3152 ns_ldap_attr_t * 3153 __ns_ldap_getAttrStruct(const ns_ldap_entry_t *entry, const char *attrname) 3154 { 3155 int i; 3156 3157 if (entry == NULL) 3158 return (NULL); 3159 for (i = 0; i < entry->attr_count; i++) { 3160 if (strcasecmp(entry->attr_pair[i]->attrname, attrname) == NULL) 3161 return (entry->attr_pair[i]); 3162 } 3163 return (NULL); 3164 } 3165 3166 3167 /*ARGSUSED*/ 3168 int 3169 __ns_ldap_uid2dn(const char *uid, 3170 char **userDN, 3171 const ns_cred_t *cred, /* cred is ignored */ 3172 ns_ldap_error_t **errorp) 3173 { 3174 ns_ldap_result_t *result = NULL; 3175 char *filter, *userdata; 3176 char errstr[MAXERROR]; 3177 char **value; 3178 int rc = 0; 3179 int i = 0; 3180 size_t len; 3181 3182 *errorp = NULL; 3183 *userDN = NULL; 3184 if ((uid == NULL) || (uid[0] == '\0')) 3185 return (NS_LDAP_INVALID_PARAM); 3186 3187 while (uid[i] != '\0') { 3188 if (uid[i] == '=') { 3189 *userDN = strdup(uid); 3190 return (NS_LDAP_SUCCESS); 3191 } 3192 i++; 3193 } 3194 i = 0; 3195 while ((uid[i] != '\0') && (isdigit(uid[i]))) 3196 i++; 3197 if (uid[i] == '\0') { 3198 len = strlen(UIDNUMFILTER) + strlen(uid) + 1; 3199 filter = (char *)malloc(len); 3200 if (filter == NULL) { 3201 *userDN = NULL; 3202 return (NS_LDAP_MEMORY); 3203 } 3204 (void) snprintf(filter, len, UIDNUMFILTER, uid); 3205 3206 len = strlen(UIDNUMFILTER_SSD) + strlen(uid) + 1; 3207 userdata = (char *)malloc(len); 3208 if (userdata == NULL) { 3209 *userDN = NULL; 3210 return (NS_LDAP_MEMORY); 3211 } 3212 (void) snprintf(userdata, len, UIDNUMFILTER_SSD, uid); 3213 } else { 3214 len = strlen(UIDFILTER) + strlen(uid) + 1; 3215 filter = (char *)malloc(len); 3216 if (filter == NULL) { 3217 *userDN = NULL; 3218 return (NS_LDAP_MEMORY); 3219 } 3220 (void) snprintf(filter, len, UIDFILTER, uid); 3221 3222 len = strlen(UIDFILTER_SSD) + strlen(uid) + 1; 3223 userdata = (char *)malloc(len); 3224 if (userdata == NULL) { 3225 *userDN = NULL; 3226 return (NS_LDAP_MEMORY); 3227 } 3228 (void) snprintf(userdata, len, UIDFILTER_SSD, uid); 3229 } 3230 3231 /* 3232 * we want to retrieve the DN as it appears in LDAP 3233 * hence the use of NS_LDAP_NOT_CVT_DN in flags 3234 */ 3235 rc = __ns_ldap_list("passwd", filter, 3236 __s_api_merge_SSD_filter, 3237 NULL, cred, NS_LDAP_NOT_CVT_DN, 3238 &result, errorp, NULL, 3239 userdata); 3240 free(filter); 3241 filter = NULL; 3242 free(userdata); 3243 userdata = NULL; 3244 if (rc != NS_LDAP_SUCCESS) { 3245 if (result) { 3246 (void) __ns_ldap_freeResult(&result); 3247 result = NULL; 3248 } 3249 return (rc); 3250 } 3251 if (result->entries_count > 1) { 3252 (void) __ns_ldap_freeResult(&result); 3253 result = NULL; 3254 *userDN = NULL; 3255 (void) sprintf(errstr, 3256 gettext("Too many entries are returned for %s"), uid); 3257 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, strdup(errstr), 3258 NULL); 3259 return (NS_LDAP_INTERNAL); 3260 } 3261 3262 value = __ns_ldap_getAttr(result->entry, "dn"); 3263 *userDN = strdup(value[0]); 3264 (void) __ns_ldap_freeResult(&result); 3265 result = NULL; 3266 return (NS_LDAP_SUCCESS); 3267 } 3268 3269 3270 /*ARGSUSED*/ 3271 int 3272 __ns_ldap_host2dn(const char *host, 3273 const char *domain, 3274 char **hostDN, 3275 const ns_cred_t *cred, /* cred is ignored */ 3276 ns_ldap_error_t **errorp) 3277 { 3278 ns_ldap_result_t *result = NULL; 3279 char *filter, *userdata; 3280 char errstr[MAXERROR]; 3281 char **value; 3282 int rc; 3283 size_t len; 3284 3285 /* 3286 * XXX 3287 * the domain parameter needs to be used in case domain is not local, if 3288 * this routine is to support multi domain setups, it needs lots of work... 3289 */ 3290 *errorp = NULL; 3291 *hostDN = NULL; 3292 if ((host == NULL) || (host[0] == '\0')) 3293 return (NS_LDAP_INVALID_PARAM); 3294 3295 len = strlen(HOSTFILTER) + strlen(host) + 1; 3296 filter = (char *)malloc(len); 3297 if (filter == NULL) { 3298 return (NS_LDAP_MEMORY); 3299 } 3300 (void) snprintf(filter, len, HOSTFILTER, host); 3301 3302 len = strlen(HOSTFILTER_SSD) + strlen(host) + 1; 3303 userdata = (char *)malloc(len); 3304 if (userdata == NULL) { 3305 return (NS_LDAP_MEMORY); 3306 } 3307 (void) snprintf(userdata, len, HOSTFILTER_SSD, host); 3308 3309 /* 3310 * we want to retrieve the DN as it appears in LDAP 3311 * hence the use of NS_LDAP_NOT_CVT_DN in flags 3312 */ 3313 rc = __ns_ldap_list("hosts", filter, 3314 __s_api_merge_SSD_filter, 3315 NULL, cred, NS_LDAP_NOT_CVT_DN, &result, 3316 errorp, NULL, 3317 userdata); 3318 free(filter); 3319 filter = NULL; 3320 free(userdata); 3321 userdata = NULL; 3322 if (rc != NS_LDAP_SUCCESS) { 3323 if (result) { 3324 (void) __ns_ldap_freeResult(&result); 3325 result = NULL; 3326 } 3327 return (rc); 3328 } 3329 3330 if (result->entries_count > 1) { 3331 (void) __ns_ldap_freeResult(&result); 3332 result = NULL; 3333 *hostDN = NULL; 3334 (void) sprintf(errstr, 3335 gettext("Too many entries are returned for %s"), host); 3336 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, strdup(errstr), 3337 NULL); 3338 return (NS_LDAP_INTERNAL); 3339 } 3340 3341 value = __ns_ldap_getAttr(result->entry, "dn"); 3342 *hostDN = strdup(value[0]); 3343 (void) __ns_ldap_freeResult(&result); 3344 result = NULL; 3345 return (NS_LDAP_SUCCESS); 3346 } 3347 3348 /*ARGSUSED*/ 3349 int 3350 __ns_ldap_dn2domain(const char *dn, 3351 char **domain, 3352 const ns_cred_t *cred, 3353 ns_ldap_error_t **errorp) 3354 { 3355 int rc, pnum, i, j, len = 0; 3356 char *newdn, **rdns = NULL; 3357 char **dns, *dn1; 3358 3359 *errorp = NULL; 3360 3361 if (domain == NULL) 3362 return (NS_LDAP_INVALID_PARAM); 3363 else 3364 *domain = NULL; 3365 3366 if ((dn == NULL) || (dn[0] == '\0')) 3367 return (NS_LDAP_INVALID_PARAM); 3368 3369 /* 3370 * break dn into rdns 3371 */ 3372 dn1 = strdup(dn); 3373 if (dn1 == NULL) 3374 return (NS_LDAP_MEMORY); 3375 rdns = ldap_explode_dn(dn1, 0); 3376 free(dn1); 3377 if (rdns == NULL || *rdns == NULL) 3378 return (NS_LDAP_INVALID_PARAM); 3379 3380 for (i = 0; rdns[i]; i++) 3381 len += strlen(rdns[i]) + 1; 3382 pnum = i; 3383 3384 newdn = (char *)malloc(len + 1); 3385 dns = (char **)calloc(pnum, sizeof (char *)); 3386 if (newdn == NULL || dns == NULL) { 3387 if (newdn) 3388 free(newdn); 3389 ldap_value_free(rdns); 3390 return (NS_LDAP_MEMORY); 3391 } 3392 3393 /* construct a semi-normalized dn, newdn */ 3394 *newdn = '\0'; 3395 for (i = 0; rdns[i]; i++) { 3396 dns[i] = newdn + strlen(newdn); 3397 (void) strcat(newdn, 3398 __s_api_remove_rdn_space(rdns[i])); 3399 (void) strcat(newdn, ","); 3400 } 3401 /* remove the last ',' */ 3402 newdn[strlen(newdn) - 1] = '\0'; 3403 ldap_value_free(rdns); 3404 3405 /* 3406 * loop and find the domain name associated with newdn, 3407 * removing rdn one by one from left to right 3408 */ 3409 for (i = 0; i < pnum; i++) { 3410 3411 if (*errorp) 3412 (void) __ns_ldap_freeError(errorp); 3413 3414 /* 3415 * try cache manager first 3416 */ 3417 rc = __s_api_get_cachemgr_data(NS_CACHE_DN2DOMAIN, 3418 dns[i], domain); 3419 if (rc != NS_LDAP_SUCCESS) { 3420 /* 3421 * try ldap server second 3422 */ 3423 rc = __s_api_find_domainname(dns[i], domain, 3424 cred, errorp); 3425 } else { 3426 /* 3427 * skip the last one, 3428 * since it is already cached by ldap_cachemgr 3429 */ 3430 i--; 3431 } 3432 if (rc == NS_LDAP_SUCCESS) { 3433 /* 3434 * ask cache manager to save the 3435 * dn to domain mapping(s) 3436 */ 3437 for (j = 0; j <= i; j++) { 3438 (void) __s_api_set_cachemgr_data( 3439 NS_CACHE_DN2DOMAIN, 3440 dns[j], 3441 *domain); 3442 } 3443 break; 3444 } 3445 } 3446 3447 free(dns); 3448 free(newdn); 3449 if (rc != NS_LDAP_SUCCESS) 3450 rc = NS_LDAP_NOTFOUND; 3451 return (rc); 3452 } 3453 3454 /*ARGSUSED*/ 3455 int 3456 __ns_ldap_getServiceAuthMethods(const char *service, 3457 ns_auth_t ***auth, 3458 ns_ldap_error_t **errorp) 3459 { 3460 char errstr[MAXERROR]; 3461 int rc, i, done = 0; 3462 int slen; 3463 void **param; 3464 char **sam, *srv, *send; 3465 ns_auth_t **authpp = NULL, *ap; 3466 int cnt, max; 3467 ns_config_t *cfg; 3468 ns_ldap_error_t *error = NULL; 3469 3470 if (errorp == NULL) 3471 return (NS_LDAP_INVALID_PARAM); 3472 *errorp = NULL; 3473 3474 if ((service == NULL) || (service[0] == '\0') || 3475 (auth == NULL)) 3476 return (NS_LDAP_INVALID_PARAM); 3477 3478 *auth = NULL; 3479 rc = __ns_ldap_getParam(NS_LDAP_SERVICE_AUTH_METHOD_P, ¶m, &error); 3480 if (rc != NS_LDAP_SUCCESS || param == NULL) { 3481 *errorp = error; 3482 return (rc); 3483 } 3484 sam = (char **)param; 3485 3486 cfg = __s_api_get_default_config(); 3487 cnt = 0; 3488 3489 slen = strlen(service); 3490 3491 for (; *sam; sam++) { 3492 srv = *sam; 3493 if (strncasecmp(service, srv, slen) != 0) 3494 continue; 3495 srv += slen; 3496 if (*srv != COLONTOK) 3497 continue; 3498 send = srv; 3499 srv++; 3500 for (max = 1; (send = strchr(++send, SEMITOK)) != NULL; 3501 max++) {} 3502 authpp = (ns_auth_t **)calloc(++max, sizeof (ns_auth_t *)); 3503 if (authpp == NULL) { 3504 (void) __ns_ldap_freeParam(¶m); 3505 __s_api_release_config(cfg); 3506 return (NS_LDAP_MEMORY); 3507 } 3508 while (!done) { 3509 send = strchr(srv, SEMITOK); 3510 if (send != NULL) { 3511 *send = '\0'; 3512 send++; 3513 } 3514 i = __s_get_enum_value(cfg, srv, NS_LDAP_AUTH_P); 3515 if (i == -1) { 3516 (void) __ns_ldap_freeParam(¶m); 3517 (void) sprintf(errstr, 3518 gettext("Unsupported " 3519 "serviceAuthenticationMethod: %s.\n"), srv); 3520 MKERROR(LOG_WARNING, *errorp, NS_CONFIG_SYNTAX, 3521 strdup(errstr), NULL); 3522 __s_api_release_config(cfg); 3523 return (NS_LDAP_CONFIG); 3524 } 3525 ap = __s_api_AuthEnumtoStruct((EnumAuthType_t)i); 3526 if (ap == NULL) { 3527 (void) __ns_ldap_freeParam(¶m); 3528 __s_api_release_config(cfg); 3529 return (NS_LDAP_MEMORY); 3530 } 3531 authpp[cnt++] = ap; 3532 if (send == NULL) 3533 done = TRUE; 3534 else 3535 srv = send; 3536 } 3537 } 3538 3539 *auth = authpp; 3540 (void) __ns_ldap_freeParam(¶m); 3541 __s_api_release_config(cfg); 3542 return (NS_LDAP_SUCCESS); 3543 } 3544 3545 /* 3546 * This routine is called when certain scenario occurs 3547 * e.g. 3548 * service == auto_home 3549 * SSD = automount: ou = mytest, 3550 * NS_LDAP_MAPATTRIBUTE= auto_home: automountMapName=AAA 3551 * NS_LDAP_OBJECTCLASSMAP= auto_home:automountMap=MynisMap 3552 * NS_LDAP_OBJECTCLASSMAP= auto_home:automount=MynisObject 3553 * 3554 * The automountMapName is prepended implicitely but is mapped 3555 * to AAA. So dn could appers as 3556 * dn: AAA=auto_home,ou=bar,dc=foo,dc=com 3557 * dn: automountKey=user_01,AAA=auto_home,ou=bar,dc=foo,dc=com 3558 * dn: automountKey=user_02,AAA=auto_home,ou=bar,dc=foo,dc=com 3559 * in the directory. 3560 * This function is called to covert the mapped attr back to 3561 * orig attr when the entries are searched and returned 3562 */ 3563 3564 int 3565 __s_api_convert_automountmapname(const char *service, char **dn, 3566 ns_ldap_error_t **errp) { 3567 3568 char **mapping = NULL; 3569 char *mapped_attr = NULL; 3570 char *automountmapname = "automountMapName"; 3571 char *buffer = NULL; 3572 int rc = NS_LDAP_SUCCESS; 3573 char errstr[MAXERROR]; 3574 3575 /* 3576 * dn is an input/out parameter, check it first 3577 */ 3578 3579 if (service == NULL || dn == NULL || *dn == NULL) 3580 return (NS_LDAP_INVALID_PARAM); 3581 3582 /* 3583 * Check to see if there is a mapped attribute for auto_xxx 3584 */ 3585 3586 mapping = __ns_ldap_getMappedAttributes(service, automountmapname); 3587 3588 /* 3589 * if no mapped attribute for auto_xxx, try automount 3590 */ 3591 3592 if (mapping == NULL) 3593 mapping = __ns_ldap_getMappedAttributes( 3594 "automount", automountmapname); 3595 3596 /* 3597 * if no mapped attribute is found, return SUCCESS (no op) 3598 */ 3599 3600 if (mapping == NULL) 3601 return (NS_LDAP_SUCCESS); 3602 3603 /* 3604 * if the mapped attribute is found and attr is not empty, 3605 * copy it 3606 */ 3607 3608 if (mapping[0] != NULL) { 3609 mapped_attr = strdup(mapping[0]); 3610 __s_api_free2dArray(mapping); 3611 if (mapped_attr == NULL) { 3612 return (NS_LDAP_MEMORY); 3613 } 3614 } else { 3615 __s_api_free2dArray(mapping); 3616 3617 (void) snprintf(errstr, (2 * MAXERROR), 3618 gettext( 3619 "Attribute nisMapName is mapped to an " 3620 "empty string.\n")); 3621 3622 MKERROR(LOG_ERR, *errp, NS_CONFIG_SYNTAX, 3623 strdup(errstr), NULL); 3624 3625 return (NS_LDAP_CONFIG); 3626 } 3627 3628 /* 3629 * Locate the mapped attribute in the dn 3630 * and replace it if it exists 3631 */ 3632 3633 rc = __s_api_replace_mapped_attr_in_dn( 3634 (const char *) automountmapname, (const char *) mapped_attr, 3635 (const char *) *dn, &buffer); 3636 3637 /* clean up */ 3638 3639 free(mapped_attr); 3640 3641 /* 3642 * If mapped attr is found(buffer != NULL) 3643 * a new dn is returned 3644 * If no mapped attribute is in dn, 3645 * return NS_LDAP_SUCCESS (no op) 3646 * If no memory, 3647 * return NS_LDAP_MEMORY (no op) 3648 */ 3649 3650 if (buffer != NULL) { 3651 free(*dn); 3652 *dn = buffer; 3653 } 3654 3655 return (rc); 3656 } 3657 3658 /* 3659 * If the mapped attr is found in the dn, 3660 * return NS_LDAP_SUCCESS and a new_dn. 3661 * If no mapped attr is found, 3662 * return NS_LDAP_SUCCESS and *new_dn == NULL 3663 * If there is not enough memory, 3664 * return NS_LDAP_MEMORY and *new_dn == NULL 3665 */ 3666 3667 int 3668 __s_api_replace_mapped_attr_in_dn( 3669 const char *orig_attr, const char *mapped_attr, 3670 const char *dn, char **new_dn) { 3671 3672 char **dnArray = NULL; 3673 char *cur = NULL, *start = NULL; 3674 int i = 0, found = 0; 3675 int len = 0, orig_len = 0, mapped_len = 0; 3676 int dn_len = 0, tmp_len = 0; 3677 3678 *new_dn = NULL; 3679 3680 /* 3681 * seperate dn into individual componets 3682 * e.g. 3683 * "automountKey=user_01" , "automountMapName_test=auto_home", ... 3684 */ 3685 dnArray = ldap_explode_dn(dn, 0); 3686 3687 /* 3688 * This will find "mapped attr=value" in dn. 3689 * It won't find match if mapped attr appears 3690 * in the value. 3691 */ 3692 for (i = 0; dnArray[i] != NULL; i++) { 3693 /* 3694 * This function is called when reading from 3695 * the directory so assume each component has "=". 3696 * Any ill formatted dn should be rejected 3697 * before adding to the directory 3698 */ 3699 cur = strchr(dnArray[i], '='); 3700 *cur = '\0'; 3701 if (strcasecmp(mapped_attr, dnArray[i]) == 0) 3702 found = 1; 3703 *cur = '='; 3704 if (found) break; 3705 } 3706 3707 if (!found) { 3708 __s_api_free2dArray(dnArray); 3709 *new_dn = NULL; 3710 return (NS_LDAP_SUCCESS); 3711 } 3712 /* 3713 * The new length is *dn length + (difference between 3714 * orig attr and mapped attr) + 1 ; 3715 * e.g. 3716 * automountKey=aa,automountMapName_test=auto_home,dc=foo,dc=com 3717 * ==> 3718 * automountKey=aa,automountMapName=auto_home,dc=foo,dc=com 3719 */ 3720 mapped_len = strlen(mapped_attr); 3721 orig_len = strlen(orig_attr); 3722 dn_len = strlen(dn); 3723 len = dn_len + orig_len - mapped_len + 1; 3724 *new_dn = (char *)calloc(1, len); 3725 if (*new_dn == NULL) { 3726 __s_api_free2dArray(dnArray); 3727 return (NS_LDAP_MEMORY); 3728 } 3729 3730 /* 3731 * Locate the mapped attr in the dn. 3732 * Use dnArray[i] instead of mapped_attr 3733 * because mapped_attr could appear in 3734 * the value 3735 */ 3736 3737 cur = strstr(dn, dnArray[i]); 3738 __s_api_free2dArray(dnArray); 3739 /* copy the portion before mapped attr in dn */ 3740 start = *new_dn; 3741 tmp_len = cur - dn; 3742 (void) memcpy((void *) start, (const void*) dn, tmp_len); 3743 3744 /* 3745 * Copy the orig_attr. e.g. automountMapName 3746 * This replaces mapped attr with orig attr 3747 */ 3748 start = start + (cur - dn); /* move cursor in buffer */ 3749 (void) memcpy((void *) start, (const void*) orig_attr, orig_len); 3750 3751 /* 3752 * Copy the portion after mapped attr in dn 3753 */ 3754 cur = cur + mapped_len; /* move cursor in dn */ 3755 start = start + orig_len; /* move cursor in buffer */ 3756 (void) strcpy(start, cur); 3757 3758 return (NS_LDAP_SUCCESS); 3759 } 3760 3761 /* 3762 * Validate Filter functions 3763 */ 3764 3765 /* ***** Start of modified libldap.so.5 filter parser ***** */ 3766 3767 /* filter parsing routine forward references */ 3768 static int adj_filter_list(char *str); 3769 static int adj_simple_filter(char *str); 3770 static int unescape_filterval(char *val); 3771 static int hexchar2int(char c); 3772 static int adj_substring_filter(char *val); 3773 3774 3775 /* 3776 * assumes string manipulation is in-line 3777 * and all strings are sufficient in size 3778 * return value is the position after 'c' 3779 */ 3780 3781 static char * 3782 resync_str(char *str, char *next, char c) 3783 { 3784 char *ret; 3785 3786 ret = str + strlen(str); 3787 *next = c; 3788 if (ret == next) 3789 return (ret); 3790 (void) strcat(str, next); 3791 return (ret); 3792 } 3793 3794 static char * 3795 find_right_paren(char *s) 3796 { 3797 int balance, escape; 3798 3799 balance = 1; 3800 escape = 0; 3801 while (*s && balance) { 3802 if (escape == 0) { 3803 if (*s == '(') 3804 balance++; 3805 else if (*s == ')') 3806 balance--; 3807 } 3808 if (*s == '\\' && ! escape) 3809 escape = 1; 3810 else 3811 escape = 0; 3812 if (balance) 3813 s++; 3814 } 3815 3816 return (*s ? s : NULL); 3817 } 3818 3819 static char * 3820 adj_complex_filter(char *str) 3821 { 3822 char *next; 3823 3824 /* 3825 * We have (x(filter)...) with str sitting on 3826 * the x. We have to find the paren matching 3827 * the one before the x and put the intervening 3828 * filters by calling adj_filter_list(). 3829 */ 3830 3831 str++; 3832 if ((next = find_right_paren(str)) == NULL) 3833 return (NULL); 3834 3835 *next = '\0'; 3836 if (adj_filter_list(str) == -1) 3837 return (NULL); 3838 next = resync_str(str, next, ')'); 3839 next++; 3840 3841 return (next); 3842 } 3843 3844 static int 3845 adj_filter(char *str) 3846 { 3847 char *next; 3848 int parens, balance, escape; 3849 char *np, *cp, *dp; 3850 3851 parens = 0; 3852 while (*str) { 3853 switch (*str) { 3854 case '(': 3855 str++; 3856 parens++; 3857 switch (*str) { 3858 case '&': 3859 if ((str = adj_complex_filter(str)) == NULL) 3860 return (-1); 3861 3862 parens--; 3863 break; 3864 3865 case '|': 3866 if ((str = adj_complex_filter(str)) == NULL) 3867 return (-1); 3868 3869 parens--; 3870 break; 3871 3872 case '!': 3873 if ((str = adj_complex_filter(str)) == NULL) 3874 return (-1); 3875 3876 parens--; 3877 break; 3878 3879 case '(': 3880 /* illegal ((case - generated by conversion */ 3881 3882 /* find missing close) */ 3883 np = find_right_paren(str+1); 3884 3885 /* error if not found */ 3886 if (np == NULL) 3887 return (-1); 3888 3889 /* remove redundant (and) */ 3890 for (dp = str, cp = str+1; cp < np; ) { 3891 *dp++ = *cp++; 3892 } 3893 cp++; 3894 while (*cp) 3895 *dp++ = *cp++; 3896 *dp = '\0'; 3897 3898 /* re-start test at original ( */ 3899 parens--; 3900 str--; 3901 break; 3902 3903 default: 3904 balance = 1; 3905 escape = 0; 3906 next = str; 3907 while (*next && balance) { 3908 if (escape == 0) { 3909 if (*next == '(') 3910 balance++; 3911 else if (*next == ')') 3912 balance--; 3913 } 3914 if (*next == '\\' && ! escape) 3915 escape = 1; 3916 else 3917 escape = 0; 3918 if (balance) 3919 next++; 3920 } 3921 if (balance != 0) 3922 return (-1); 3923 3924 *next = '\0'; 3925 if (adj_simple_filter(str) == -1) { 3926 return (-1); 3927 } 3928 next = resync_str(str, next, ')'); 3929 next++; 3930 str = next; 3931 parens--; 3932 break; 3933 } 3934 break; 3935 3936 case ')': 3937 str++; 3938 parens--; 3939 break; 3940 3941 case ' ': 3942 str++; 3943 break; 3944 3945 default: /* assume it's a simple type=value filter */ 3946 next = strchr(str, '\0'); 3947 if (adj_simple_filter(str) == -1) { 3948 return (-1); 3949 } 3950 str = next; 3951 break; 3952 } 3953 } 3954 3955 return (parens ? -1 : 0); 3956 } 3957 3958 3959 /* 3960 * Put a list of filters like this "(filter1)(filter2)..." 3961 */ 3962 3963 static int 3964 adj_filter_list(char *str) 3965 { 3966 char *next; 3967 char save; 3968 3969 while (*str) { 3970 while (*str && isspace(*str)) 3971 str++; 3972 if (*str == '\0') 3973 break; 3974 3975 if ((next = find_right_paren(str + 1)) == NULL) 3976 return (-1); 3977 save = *++next; 3978 3979 /* now we have "(filter)" with str pointing to it */ 3980 *next = '\0'; 3981 if (adj_filter(str) == -1) 3982 return (-1); 3983 next = resync_str(str, next, save); 3984 3985 str = next; 3986 } 3987 3988 return (0); 3989 } 3990 3991 3992 /* 3993 * is_valid_attr - returns 1 if a is a syntactically valid left-hand side 3994 * of a filter expression, 0 otherwise. A valid string may contain only 3995 * letters, numbers, hyphens, semi-colons, colons and periods. examples: 3996 * cn 3997 * cn;lang-fr 3998 * 1.2.3.4;binary;dynamic 3999 * mail;dynamic 4000 * cn:dn:1.2.3.4 4001 * 4002 * For compatibility with older servers, we also allow underscores in 4003 * attribute types, even through they are not allowed by the LDAPv3 RFCs. 4004 */ 4005 static int 4006 is_valid_attr(char *a) 4007 { 4008 for (; *a; a++) { 4009 if (!isascii(*a)) { 4010 return (0); 4011 } else if (!isalnum(*a)) { 4012 switch (*a) { 4013 case '-': 4014 case '.': 4015 case ';': 4016 case ':': 4017 case '_': 4018 break; /* valid */ 4019 default: 4020 return (0); 4021 } 4022 } 4023 } 4024 return (1); 4025 } 4026 4027 static char * 4028 find_star(char *s) 4029 { 4030 for (; *s; ++s) { 4031 switch (*s) { 4032 case '*': 4033 return (s); 4034 case '\\': 4035 ++s; 4036 if (hexchar2int(s[0]) >= 0 && hexchar2int(s[1]) >= 0) 4037 ++s; 4038 default: 4039 break; 4040 } 4041 } 4042 return (NULL); 4043 } 4044 4045 static int 4046 adj_simple_filter(char *str) 4047 { 4048 char *s, *s2, *s3, filterop; 4049 char *value; 4050 int ftype = 0; 4051 int rc; 4052 4053 rc = -1; /* pessimistic */ 4054 4055 if ((str = strdup(str)) == NULL) { 4056 return (rc); 4057 } 4058 4059 if ((s = strchr(str, '=')) == NULL) { 4060 goto free_and_return; 4061 } 4062 value = s + 1; 4063 *s-- = '\0'; 4064 filterop = *s; 4065 if (filterop == '<' || filterop == '>' || filterop == '~' || 4066 filterop == ':') { 4067 *s = '\0'; 4068 } 4069 4070 if (! is_valid_attr(str)) { 4071 goto free_and_return; 4072 } 4073 4074 switch (filterop) { 4075 case '<': /* LDAP_FILTER_LE */ 4076 case '>': /* LDAP_FILTER_GE */ 4077 case '~': /* LDAP_FILTER_APPROX */ 4078 break; 4079 case ':': /* extended filter - v3 only */ 4080 /* 4081 * extended filter looks like this: 4082 * 4083 * [type][':dn'][':'oid]':='value 4084 * 4085 * where one of type or :oid is required. 4086 * 4087 */ 4088 s2 = s3 = NULL; 4089 if ((s2 = strrchr(str, ':')) == NULL) { 4090 goto free_and_return; 4091 } 4092 if (strcasecmp(s2, ":dn") == 0) { 4093 *s2 = '\0'; 4094 } else { 4095 *s2 = '\0'; 4096 if ((s3 = strrchr(str, ':')) != NULL) { 4097 if (strcasecmp(s3, ":dn") != 0) { 4098 goto free_and_return; 4099 } 4100 *s3 = '\0'; 4101 } 4102 } 4103 if (unescape_filterval(value) < 0) { 4104 goto free_and_return; 4105 } 4106 rc = 0; 4107 goto free_and_return; 4108 /* break; */ 4109 default: 4110 if (find_star(value) == NULL) { 4111 ftype = 0; /* LDAP_FILTER_EQUALITY */ 4112 } else if (strcmp(value, "*") == 0) { 4113 ftype = 1; /* LDAP_FILTER_PRESENT */ 4114 } else { 4115 rc = adj_substring_filter(value); 4116 goto free_and_return; 4117 } 4118 break; 4119 } 4120 4121 if (ftype != 0) { /* == LDAP_FILTER_PRESENT */ 4122 rc = 0; 4123 } else if (unescape_filterval(value) >= 0) { 4124 rc = 0; 4125 } 4126 if (rc != -1) { 4127 rc = 0; 4128 } 4129 4130 free_and_return: 4131 free(str); 4132 return (rc); 4133 } 4134 4135 4136 /* 4137 * Check in place both LDAPv2 (RFC-1960) and LDAPv3 (hexadecimal) escape 4138 * sequences within the null-terminated string 'val'. 4139 * 4140 * If 'val' contains invalid escape sequences we return -1. 4141 * Otherwise return 1 4142 */ 4143 static int 4144 unescape_filterval(char *val) 4145 { 4146 int escape, firstdigit; 4147 char *s; 4148 4149 firstdigit = 0; 4150 escape = 0; 4151 for (s = val; *s; s++) { 4152 if (escape) { 4153 /* 4154 * first try LDAPv3 escape (hexadecimal) sequence 4155 */ 4156 if (hexchar2int(*s) < 0) { 4157 if (firstdigit) { 4158 /* 4159 * LDAPv2 (RFC1960) escape sequence 4160 */ 4161 escape = 0; 4162 } else { 4163 return (-1); 4164 } 4165 } 4166 if (firstdigit) { 4167 firstdigit = 0; 4168 } else { 4169 escape = 0; 4170 } 4171 4172 } else if (*s != '\\') { 4173 escape = 0; 4174 4175 } else { 4176 escape = 1; 4177 firstdigit = 1; 4178 } 4179 } 4180 4181 return (1); 4182 } 4183 4184 4185 /* 4186 * convert character 'c' that represents a hexadecimal digit to an integer. 4187 * if 'c' is not a hexidecimal digit [0-9A-Fa-f], -1 is returned. 4188 * otherwise the converted value is returned. 4189 */ 4190 static int 4191 hexchar2int(char c) 4192 { 4193 if (c >= '0' && c <= '9') { 4194 return (c - '0'); 4195 } 4196 if (c >= 'A' && c <= 'F') { 4197 return (c - 'A' + 10); 4198 } 4199 if (c >= 'a' && c <= 'f') { 4200 return (c - 'a' + 10); 4201 } 4202 return (-1); 4203 } 4204 4205 static int 4206 adj_substring_filter(char *val) 4207 { 4208 char *nextstar; 4209 4210 for (; val != NULL; val = nextstar) { 4211 if ((nextstar = find_star(val)) != NULL) { 4212 *nextstar++ = '\0'; 4213 } 4214 4215 if (*val != '\0') { 4216 if (unescape_filterval(val) < 0) { 4217 return (-1); 4218 } 4219 } 4220 } 4221 4222 return (0); 4223 } 4224 4225 /* ***** End of modified libldap.so.5 filter parser ***** */ 4226 4227 4228 /* 4229 * Walk filter, remove redundant parentheses in-line 4230 * verify that the filter is reasonable 4231 */ 4232 static int 4233 validate_filter(ns_ldap_cookie_t *cookie) 4234 { 4235 char *filter = cookie->filter; 4236 int rc; 4237 4238 /* Parse filter looking for illegal values */ 4239 4240 rc = adj_filter(filter); 4241 if (rc != 0) { 4242 return (NS_LDAP_OP_FAILED); 4243 } 4244 4245 /* end of filter checking */ 4246 4247 return (NS_LDAP_SUCCESS); 4248 } 4249 4250 /* 4251 * Set the account management request control that needs to be sent to server. 4252 * This control is required to get the account management information of 4253 * a user to do local account checking. 4254 */ 4255 static int 4256 setup_acctmgmt_params(ns_ldap_cookie_t *cookie) 4257 { 4258 LDAPControl *req = NULL, **requestctrls; 4259 4260 req = (LDAPControl *)malloc(sizeof (LDAPControl)); 4261 4262 if (req == NULL) 4263 return (NS_LDAP_MEMORY); 4264 4265 /* fill in the fields of this new control */ 4266 req->ldctl_iscritical = 1; 4267 req->ldctl_oid = strdup(NS_LDAP_ACCOUNT_USABLE_CONTROL); 4268 if (req->ldctl_oid == NULL) { 4269 free(req); 4270 return (NS_LDAP_MEMORY); 4271 } 4272 req->ldctl_value.bv_len = 0; 4273 req->ldctl_value.bv_val = NULL; 4274 4275 requestctrls = (LDAPControl **)calloc(2, sizeof (LDAPControl *)); 4276 if (requestctrls == NULL) { 4277 ldap_control_free(req); 4278 return (NS_LDAP_MEMORY); 4279 } 4280 4281 requestctrls[0] = req; 4282 4283 cookie->p_serverctrls = requestctrls; 4284 4285 return (NS_LDAP_SUCCESS); 4286 } 4287 4288 /* 4289 * int get_new_acct_more_info(BerElement *ber, 4290 * AcctUsableResponse_t *acctResp) 4291 * 4292 * Decode the more_info data from an Account Management control response, 4293 * when the account is not usable and when code style is from recent LDAP 4294 * servers (see below comments for parse_acct_cont_resp_msg() to get more 4295 * details on coding styles and ASN1 description). 4296 * 4297 * Expected BER encoding: {tbtbtbtiti} 4298 * +t: tag is 0 4299 * +b: TRUE if inactive due to account inactivation 4300 * +t: tag is 1 4301 * +b: TRUE if password has been reset 4302 * +t: tag is 2 4303 * +b: TRUE if password is expired 4304 * +t: tag is 3 4305 * +i: contains num of remaining grace, 0 means no grace 4306 * +t: tag is 4 4307 * +i: contains num of seconds before auto-unlock. -1 means acct is locked 4308 * forever (i.e. until reset) 4309 * 4310 * Asumptions: 4311 * - ber is not null 4312 * - acctResp is not null and is initialized with default values for the 4313 * fields in its AcctUsableResp.more_info structure 4314 * - the ber stream is received in the correct order, per the ASN1 description. 4315 * We do not check this order and make the asumption that it is correct. 4316 * Note that the ber stream may not (and will not in most cases) contain 4317 * all fields. 4318 */ 4319 static int 4320 get_new_acct_more_info(BerElement *ber, AcctUsableResponse_t *acctResp) 4321 { 4322 int rc = NS_LDAP_SUCCESS; 4323 char errstr[MAXERROR]; 4324 ber_tag_t rTag = LBER_DEFAULT; 4325 ber_len_t rLen = 0; 4326 ber_int_t rValue; 4327 char *last; 4328 int berRC = 0; 4329 4330 /* 4331 * Look at what more_info BER element is/are left to be decoded. 4332 * look at each of them 1 by 1, without checking on their order 4333 * and possible multi values. 4334 */ 4335 for (rTag = ber_first_element(ber, &rLen, &last); 4336 rTag != LBER_END_OF_SEQORSET; 4337 rTag = ber_next_element(ber, &rLen, last)) { 4338 4339 berRC = 0; 4340 switch (rTag) { 4341 case 0 | LBER_CLASS_CONTEXT | LBER_PRIMITIVE: 4342 /* inactive */ 4343 berRC = ber_scanf(ber, "b", &rValue); 4344 if (berRC != LBER_ERROR) { 4345 (acctResp->AcctUsableResp).more_info. 4346 inactive = (rValue != 0) ? 1 : 0; 4347 } 4348 break; 4349 4350 case 1 | LBER_CLASS_CONTEXT | LBER_PRIMITIVE: 4351 /* reset */ 4352 berRC = ber_scanf(ber, "b", &rValue); 4353 if (berRC != LBER_ERROR) { 4354 (acctResp->AcctUsableResp).more_info.reset 4355 = (rValue != 0) ? 1 : 0; 4356 } 4357 break; 4358 4359 case 2 | LBER_CLASS_CONTEXT | LBER_PRIMITIVE: 4360 /* expired */ 4361 berRC = ber_scanf(ber, "b", &rValue); 4362 if (berRC != LBER_ERROR) { 4363 (acctResp->AcctUsableResp).more_info.expired 4364 = (rValue != 0) ? 1 : 0; 4365 } 4366 break; 4367 4368 case 3 | LBER_CLASS_CONTEXT | LBER_PRIMITIVE: 4369 /* remaining grace */ 4370 berRC = ber_scanf(ber, "i", &rValue); 4371 if (berRC != LBER_ERROR) { 4372 (acctResp->AcctUsableResp).more_info.rem_grace 4373 = rValue; 4374 } 4375 break; 4376 4377 case 4 | LBER_CLASS_CONTEXT | LBER_PRIMITIVE: 4378 /* seconds before unlock */ 4379 berRC = ber_scanf(ber, "i", &rValue); 4380 if (berRC != LBER_ERROR) { 4381 (acctResp->AcctUsableResp).more_info. 4382 sec_b4_unlock = rValue; 4383 } 4384 break; 4385 4386 default : 4387 (void) sprintf(errstr, 4388 gettext("invalid reason tag 0x%x"), rTag); 4389 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4390 rc = NS_LDAP_INTERNAL; 4391 break; 4392 } 4393 if (berRC == LBER_ERROR) { 4394 (void) sprintf(errstr, 4395 gettext("error 0x%x decoding value for " 4396 "tag 0x%x"), berRC, rTag); 4397 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4398 rc = NS_LDAP_INTERNAL; 4399 } 4400 if (rc != NS_LDAP_SUCCESS) { 4401 /* exit the for loop */ 4402 break; 4403 } 4404 } 4405 4406 return (rc); 4407 } 4408 4409 /* 4410 * int get_old_acct_opt_more_info(BerElement *ber, 4411 * AcctUsableResponse_t *acctResp) 4412 * 4413 * Decode the optional more_info data from an Account Management control 4414 * response, when the account is not usable and when code style is from LDAP 4415 * server 5.2p4 (see below comments for parse_acct_cont_resp_msg() to get more 4416 * details on coding styles and ASN1 description). 4417 * 4418 * Expected BER encoding: titi} 4419 * +t: tag is 2 4420 * +i: contains num of remaining grace, 0 means no grace 4421 * +t: tag is 3 4422 * +i: contains num of seconds before auto-unlock. -1 means acct is locked 4423 * forever (i.e. until reset) 4424 * 4425 * Asumptions: 4426 * - ber is a valid BER element 4427 * - acctResp is initialized for the fields in its AcctUsableResp.more_info 4428 * structure 4429 */ 4430 static int 4431 get_old_acct_opt_more_info(ber_tag_t tag, BerElement *ber, 4432 AcctUsableResponse_t *acctResp) 4433 { 4434 int rc = NS_LDAP_SUCCESS; 4435 char errstr[MAXERROR]; 4436 ber_len_t len; 4437 int rem_grace, sec_b4_unlock; 4438 4439 switch (tag) { 4440 case 2: 4441 /* decode and maybe 3 is following */ 4442 if ((tag = ber_scanf(ber, "i", &rem_grace)) == LBER_ERROR) { 4443 (void) sprintf(errstr, gettext("Can not get " 4444 "rem_grace")); 4445 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4446 rc = NS_LDAP_INTERNAL; 4447 break; 4448 } 4449 (acctResp->AcctUsableResp).more_info.rem_grace = rem_grace; 4450 4451 if ((tag = ber_peek_tag(ber, &len)) == LBER_ERROR) { 4452 /* this is a success case, break to exit */ 4453 (void) sprintf(errstr, gettext("No more " 4454 "optional data")); 4455 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4456 break; 4457 } 4458 4459 if (tag == 3) { 4460 if (ber_scanf(ber, "i", &sec_b4_unlock) == LBER_ERROR) { 4461 (void) sprintf(errstr, 4462 gettext("Can not get sec_b4_unlock " 4463 "- 1st case")); 4464 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4465 rc = NS_LDAP_INTERNAL; 4466 break; 4467 } 4468 (acctResp->AcctUsableResp).more_info.sec_b4_unlock = 4469 sec_b4_unlock; 4470 } else { /* unknown tag */ 4471 (void) sprintf(errstr, gettext("Unknown tag " 4472 "- 1st case")); 4473 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4474 rc = NS_LDAP_INTERNAL; 4475 break; 4476 } 4477 break; 4478 4479 case 3: 4480 if (ber_scanf(ber, "i", &sec_b4_unlock) == LBER_ERROR) { 4481 (void) sprintf(errstr, gettext("Can not get " 4482 "sec_b4_unlock - 2nd case")); 4483 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4484 rc = NS_LDAP_INTERNAL; 4485 break; 4486 } 4487 (acctResp->AcctUsableResp).more_info.sec_b4_unlock = 4488 sec_b4_unlock; 4489 break; 4490 4491 default: /* unknown tag */ 4492 (void) sprintf(errstr, gettext("Unknown tag - 2nd case")); 4493 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4494 rc = NS_LDAP_INTERNAL; 4495 break; 4496 } 4497 4498 return (rc); 4499 } 4500 4501 /* 4502 * **** This function needs to be moved to libldap library **** 4503 * parse_acct_cont_resp_msg() parses the message received by server according to 4504 * following format (ASN1 notation): 4505 * 4506 * ACCOUNT_USABLE_RESPONSE::= CHOICE { 4507 * is_available [0] INTEGER, 4508 * ** seconds before expiration ** 4509 * is_not_available [1] more_info 4510 * } 4511 * more_info::= SEQUENCE { 4512 * inactive [0] BOOLEAN DEFAULT FALSE, 4513 * reset [1] BOOLEAN DEFAULT FALSE, 4514 * expired [2] BOOLEAN DEFAULT FALSE, 4515 * remaining_grace [3] INTEGER OPTIONAL, 4516 * seconds_before_unlock [4] INTEGER OPTIONAL 4517 * } 4518 */ 4519 /* 4520 * #define used to make the difference between coding style as done 4521 * by LDAP server 5.2p4 and newer LDAP servers. There are 4 values: 4522 * - DS52p4_USABLE: 5.2p4 coding style, account is usable 4523 * - DS52p4_NOT_USABLE: 5.2p4 coding style, account is not usable 4524 * - NEW_USABLE: newer LDAP servers coding style, account is usable 4525 * - NEW_NOT_USABLE: newer LDAP servers coding style, account is not usable 4526 * 4527 * An account would be considered not usable if for instance: 4528 * - it's been made inactive in the LDAP server 4529 * - or its password was reset in the LDAP server database 4530 * - or its password expired 4531 * - or the account has been locked, possibly forever 4532 */ 4533 #define DS52p4_USABLE 0x00 4534 #define DS52p4_NOT_USABLE 0x01 4535 #define NEW_USABLE 0x00 | LBER_CLASS_CONTEXT | LBER_PRIMITIVE 4536 #define NEW_NOT_USABLE 0x01 | LBER_CLASS_CONTEXT | LBER_CONSTRUCTED 4537 static int 4538 parse_acct_cont_resp_msg(LDAPControl **ectrls, AcctUsableResponse_t *acctResp) 4539 { 4540 int rc = NS_LDAP_SUCCESS; 4541 BerElement *ber; 4542 ber_tag_t tag; 4543 ber_len_t len; 4544 int i; 4545 char errstr[MAXERROR]; 4546 /* used for any coding style when account is usable */ 4547 int seconds_before_expiry; 4548 /* used for 5.2p4 coding style when account is not usable */ 4549 int inactive, reset, expired; 4550 4551 if (ectrls == NULL) { 4552 (void) sprintf(errstr, gettext("Invalid ectrls parameter")); 4553 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4554 return (NS_LDAP_INVALID_PARAM); 4555 } 4556 4557 for (i = 0; ectrls[i] != NULL; i++) { 4558 if (strcmp(ectrls[i]->ldctl_oid, NS_LDAP_ACCOUNT_USABLE_CONTROL) 4559 == 0) { 4560 break; 4561 } 4562 } 4563 4564 if (ectrls[i] == NULL) { 4565 /* Ldap control is not found */ 4566 (void) sprintf(errstr, gettext("Account Usable Control " 4567 "not found")); 4568 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4569 return (NS_LDAP_NOTFOUND); 4570 } 4571 4572 /* Allocate a BER element from the control value and parse it. */ 4573 if ((ber = ber_init(&ectrls[i]->ldctl_value)) == NULL) 4574 return (NS_LDAP_MEMORY); 4575 4576 if ((tag = ber_peek_tag(ber, &len)) == LBER_ERROR) { 4577 /* Ldap decoding error */ 4578 (void) sprintf(errstr, gettext("Error decoding 1st tag")); 4579 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4580 ber_free(ber, 1); 4581 return (NS_LDAP_INTERNAL); 4582 } 4583 4584 switch (tag) { 4585 case DS52p4_USABLE: 4586 case NEW_USABLE: 4587 acctResp->choice = 0; 4588 if (ber_scanf(ber, "i", &seconds_before_expiry) 4589 == LBER_ERROR) { 4590 /* Ldap decoding error */ 4591 (void) sprintf(errstr, gettext("Can not get " 4592 "seconds_before_expiry")); 4593 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4594 rc = NS_LDAP_INTERNAL; 4595 break; 4596 } 4597 /* ber_scanf() succeeded */ 4598 (acctResp->AcctUsableResp).seconds_before_expiry = 4599 seconds_before_expiry; 4600 break; 4601 4602 case DS52p4_NOT_USABLE: 4603 acctResp->choice = 1; 4604 if (ber_scanf(ber, "{bbb", &inactive, &reset, &expired) 4605 == LBER_ERROR) { 4606 /* Ldap decoding error */ 4607 (void) sprintf(errstr, gettext("Can not get " 4608 "inactive/reset/expired")); 4609 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4610 rc = NS_LDAP_INTERNAL; 4611 break; 4612 } 4613 /* ber_scanf() succeeded */ 4614 (acctResp->AcctUsableResp).more_info.inactive = 4615 ((inactive == 0) ? 0 : 1); 4616 (acctResp->AcctUsableResp).more_info.reset = 4617 ((reset == 0) ? 0 : 1); 4618 (acctResp->AcctUsableResp).more_info.expired = 4619 ((expired == 0) ? 0 : 1); 4620 (acctResp->AcctUsableResp).more_info.rem_grace = 0; 4621 (acctResp->AcctUsableResp).more_info.sec_b4_unlock = 0; 4622 4623 if ((tag = ber_peek_tag(ber, &len)) == LBER_ERROR) { 4624 /* this is a success case, break to exit */ 4625 (void) sprintf(errstr, gettext("No optional data")); 4626 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4627 break; 4628 } 4629 4630 /* 4631 * Look at what optional more_info BER element is/are 4632 * left to be decoded. 4633 */ 4634 rc = get_old_acct_opt_more_info(tag, ber, acctResp); 4635 break; 4636 4637 case NEW_NOT_USABLE: 4638 acctResp->choice = 1; 4639 /* 4640 * Recent LDAP servers won't code more_info data for default 4641 * values (see above comments on ASN1 description for what 4642 * fields have default values & what fields are optional). 4643 */ 4644 (acctResp->AcctUsableResp).more_info.inactive = 0; 4645 (acctResp->AcctUsableResp).more_info.reset = 0; 4646 (acctResp->AcctUsableResp).more_info.expired = 0; 4647 (acctResp->AcctUsableResp).more_info.rem_grace = 0; 4648 (acctResp->AcctUsableResp).more_info.sec_b4_unlock = 0; 4649 4650 if (len == 0) { 4651 /* 4652 * Nothing else to decode; this is valid and we 4653 * use default values set above. 4654 */ 4655 (void) sprintf(errstr, gettext("more_info is " 4656 "empty, using default values")); 4657 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4658 break; 4659 } 4660 4661 /* 4662 * Look at what more_info BER element is/are left to 4663 * be decoded. 4664 */ 4665 rc = get_new_acct_more_info(ber, acctResp); 4666 break; 4667 4668 default: 4669 (void) sprintf(errstr, gettext("unknwon coding style " 4670 "(tag: 0x%x)"), tag); 4671 syslog(LOG_DEBUG, "libsldap: %s", errstr); 4672 rc = NS_LDAP_INTERNAL; 4673 break; 4674 } 4675 4676 ber_free(ber, 1); 4677 return (rc); 4678 } 4679 4680 /* 4681 * __ns_ldap_getAcctMgmt() is called from pam account management stack 4682 * for retrieving accounting information of users with no user password - 4683 * eg. rlogin, rsh, etc. This function uses the account management control 4684 * request to do a search on the server for the user in question. The 4685 * response control returned from the server is got from the cookie. 4686 * Input params: username of whose account mgmt information is to be got 4687 * pointer to hold the parsed account management information 4688 * Return values: NS_LDAP_SUCCESS on success or appropriate error 4689 * code on failure 4690 */ 4691 int 4692 __ns_ldap_getAcctMgmt(const char *user, AcctUsableResponse_t *acctResp) 4693 { 4694 int scope, rc; 4695 char ldapfilter[1024]; 4696 ns_ldap_cookie_t *cookie; 4697 ns_ldap_search_desc_t **sdlist = NULL; 4698 ns_ldap_search_desc_t *dptr; 4699 ns_ldap_error_t *error = NULL; 4700 char **dns = NULL; 4701 char service[] = "shadow"; 4702 4703 if (user == NULL || acctResp == NULL) 4704 return (NS_LDAP_INVALID_PARAM); 4705 4706 /* Initialize State machine cookie */ 4707 cookie = init_search_state_machine(); 4708 if (cookie == NULL) 4709 return (NS_LDAP_MEMORY); 4710 4711 /* see if need to follow referrals */ 4712 rc = __s_api_toFollowReferrals(0, 4713 &cookie->followRef, &error); 4714 if (rc != NS_LDAP_SUCCESS) { 4715 (void) __ns_ldap_freeError(&error); 4716 goto out; 4717 } 4718 4719 /* get the service descriptor - or create a default one */ 4720 rc = __s_api_get_SSD_from_SSDtoUse_service(service, 4721 &sdlist, &error); 4722 if (rc != NS_LDAP_SUCCESS) { 4723 (void) __ns_ldap_freeError(&error); 4724 goto out; 4725 } 4726 4727 if (sdlist == NULL) { 4728 /* Create default service Desc */ 4729 sdlist = (ns_ldap_search_desc_t **)calloc(2, 4730 sizeof (ns_ldap_search_desc_t *)); 4731 if (sdlist == NULL) { 4732 rc = NS_LDAP_MEMORY; 4733 goto out; 4734 } 4735 dptr = (ns_ldap_search_desc_t *) 4736 calloc(1, sizeof (ns_ldap_search_desc_t)); 4737 if (dptr == NULL) { 4738 free(sdlist); 4739 rc = NS_LDAP_MEMORY; 4740 goto out; 4741 } 4742 sdlist[0] = dptr; 4743 4744 /* default base */ 4745 rc = __s_api_getDNs(&dns, service, &cookie->errorp); 4746 if (rc != NS_LDAP_SUCCESS) { 4747 if (dns) { 4748 __s_api_free2dArray(dns); 4749 dns = NULL; 4750 } 4751 (void) __ns_ldap_freeError(&(cookie->errorp)); 4752 cookie->errorp = NULL; 4753 goto out; 4754 } 4755 dptr->basedn = strdup(dns[0]); 4756 if (dptr->basedn == NULL) { 4757 free(sdlist); 4758 free(dptr); 4759 if (dns) { 4760 __s_api_free2dArray(dns); 4761 dns = NULL; 4762 } 4763 rc = NS_LDAP_MEMORY; 4764 goto out; 4765 } 4766 __s_api_free2dArray(dns); 4767 dns = NULL; 4768 4769 /* default scope */ 4770 scope = 0; 4771 rc = __s_api_getSearchScope(&scope, &cookie->errorp); 4772 dptr->scope = scope; 4773 } 4774 4775 cookie->sdlist = sdlist; 4776 4777 cookie->service = strdup(service); 4778 if (cookie->service == NULL) { 4779 rc = NS_LDAP_MEMORY; 4780 goto out; 4781 } 4782 4783 /* search for entries for this particular uid */ 4784 (void) snprintf(ldapfilter, sizeof (ldapfilter), "(uid=%s)", user); 4785 cookie->i_filter = strdup(ldapfilter); 4786 if (cookie->i_filter == NULL) { 4787 rc = NS_LDAP_MEMORY; 4788 goto out; 4789 } 4790 4791 /* create the control request */ 4792 if ((rc = setup_acctmgmt_params(cookie)) != NS_LDAP_SUCCESS) 4793 goto out; 4794 4795 /* Process search */ 4796 rc = search_state_machine(cookie, GET_ACCT_MGMT_INFO, 0); 4797 4798 /* Copy results back to user */ 4799 rc = cookie->err_rc; 4800 if (rc != NS_LDAP_SUCCESS) 4801 (void) __ns_ldap_freeError(&(cookie->errorp)); 4802 4803 if (cookie->result == NULL) 4804 goto out; 4805 4806 if ((rc = parse_acct_cont_resp_msg(cookie->resultctrl, acctResp)) 4807 != NS_LDAP_SUCCESS) 4808 goto out; 4809 4810 rc = NS_LDAP_SUCCESS; 4811 4812 out: 4813 delete_search_cookie(cookie); 4814 4815 return (rc); 4816 } 4817