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 (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright 2017 Nexenta Systems, Inc. All rights reserved. 24 */ 25 26 #include <stdio.h> 27 #include <sys/types.h> 28 #include <stdlib.h> 29 #include <libintl.h> 30 #include <ctype.h> 31 #include <syslog.h> 32 #include <sys/stat.h> 33 #include <fcntl.h> 34 #include <unistd.h> 35 #include <string.h> 36 #include <strings.h> 37 #include <priv.h> 38 39 #include "ns_sldap.h" 40 #include "ns_internal.h" 41 #include "ns_cache_door.h" 42 #include "ns_connmgmt.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 ; 233 234 if ((mapped_rdns = (char **)calloc(nRdn, sizeof (char *))) == NULL) { 235 ldap_value_free(rdns); 236 return (NULL); 237 } 238 239 rdn_mapped = 0; 240 /* Break down RDNs in a DN */ 241 for (i = 0; i < nRdn; i++) { 242 if ((new_rdn = _cvtRDN(service, rdns[i])) != NULL) { 243 mapped_rdns[i] = new_rdn; 244 rdn_mapped = 1; 245 } 246 } 247 if (rdn_mapped == 0) { 248 /* 249 * No RDN contains any attribute mapping. 250 * Don't bother to reconstruct DN from RDN. Copy DN directly. 251 */ 252 new_dn = strdup(dn); 253 goto cleanup; 254 } 255 /* 256 * Reconstruct dn from RDNs. 257 * Calculate the length first. 258 */ 259 for (i = 0; i < nRdn; i++) { 260 if (mapped_rdns[i]) 261 len += strlen(mapped_rdns[i]); 262 else 263 len += strlen(rdns[i]); 264 265 /* add 1 for ',' */ 266 len ++; 267 } 268 if ((new_dn = (char *)calloc(1, ++len)) == NULL) 269 goto cleanup; 270 for (i = 0; i < nRdn; i++) { 271 if (i > 0) 272 /* Add seperator */ 273 (void) strlcat(new_dn, ",", len); 274 275 if (mapped_rdns[i]) 276 (void) strlcat(new_dn, mapped_rdns[i], len); 277 else 278 (void) strlcat(new_dn, rdns[i], len); 279 280 } 281 282 cleanup: 283 ldap_value_free(rdns); 284 if (mapped_rdns) { 285 if (rdn_mapped) { 286 for (i = 0; i < nRdn; i++) { 287 if (mapped_rdns[i]) 288 free(mapped_rdns[i]); 289 } 290 } 291 free(mapped_rdns); 292 } 293 294 return (new_dn); 295 } 296 /* 297 * Convert a single ldap entry from a LDAPMessage 298 * into an ns_ldap_entry structure. 299 * Schema map the entry if specified in flags 300 */ 301 302 static int 303 __s_api_cvtEntry(LDAP *ld, 304 const char *service, 305 LDAPMessage *e, 306 int flags, 307 ns_ldap_entry_t **ret, 308 ns_ldap_error_t **error) 309 { 310 311 ns_ldap_entry_t *ep = NULL; 312 ns_ldap_attr_t **ap = NULL; 313 BerElement *ber; 314 char *attr = NULL; 315 char **vals = NULL; 316 char **mapping; 317 char *dn; 318 int nAttrs = 0; 319 int i, j, k = 0; 320 char **gecos_mapping = NULL; 321 int gecos_val_index[3] = { -1, -1, -1}; 322 char errstr[MAXERROR]; 323 int schema_mapping_existed = FALSE; 324 int gecos_mapping_existed = FALSE; 325 int gecos_attr_matched; 326 int auto_service = FALSE; 327 int rc = NS_LDAP_SUCCESS; 328 329 if (e == NULL || ret == NULL || error == NULL) 330 return (NS_LDAP_INVALID_PARAM); 331 332 *error = NULL; 333 334 ep = (ns_ldap_entry_t *)calloc(1, sizeof (ns_ldap_entry_t)); 335 if (ep == NULL) 336 return (NS_LDAP_MEMORY); 337 338 if (service != NULL && 339 (strncasecmp(service, "auto_", 5) == 0 || 340 strcasecmp(service, "automount") == 0)) 341 auto_service = TRUE; 342 /* 343 * see if schema mapping existed for the given service 344 */ 345 mapping = __ns_ldap_getOrigAttribute(service, 346 NS_HASH_SCHEMA_MAPPING_EXISTED); 347 if (mapping) { 348 schema_mapping_existed = TRUE; 349 __s_api_free2dArray(mapping); 350 mapping = NULL; 351 } else if (auto_service) { 352 /* 353 * If service == auto_* and no 354 * schema mapping found 355 * then try automount 356 * There is certain case that schema mapping exist 357 * but __ns_ldap_getOrigAttribute(service, 358 * NS_HASH_SCHEMA_MAPPING_EXISTED); 359 * returns NULL. 360 * e.g. 361 * NS_LDAP_ATTRIBUTEMAP = automount:automountMapName=AAA 362 * NS_LDAP_OBJECTCLASSMAP = automount:automountMap=MynisMap 363 * NS_LDAP_OBJECTCLASSMAP = automount:automount=MynisObject 364 * 365 * Make a check for schema_mapping_existed here 366 * so later on __s_api_convert_automountmapname won't be called 367 * unnecessarily. It is also used for attribute mapping 368 * and objectclass mapping. 369 */ 370 mapping = __ns_ldap_getOrigAttribute("automount", 371 NS_HASH_SCHEMA_MAPPING_EXISTED); 372 if (mapping) { 373 schema_mapping_existed = TRUE; 374 __s_api_free2dArray(mapping); 375 mapping = NULL; 376 } 377 } 378 379 nAttrs = 1; /* start with 1 for the DN attr */ 380 for (attr = ldap_first_attribute(ld, e, &ber); attr != NULL; 381 attr = ldap_next_attribute(ld, e, ber)) { 382 nAttrs++; 383 ldap_memfree(attr); 384 attr = NULL; 385 } 386 ber_free(ber, 0); 387 ber = NULL; 388 389 ep->attr_count = nAttrs; 390 391 /* 392 * add 1 for "gecos" 1 to N attribute mapping, 393 * just in case it is needed. 394 * ep->attr_count will be updated later if that is true. 395 */ 396 ap = (ns_ldap_attr_t **)calloc(ep->attr_count + 1, 397 sizeof (ns_ldap_attr_t *)); 398 if (ap == NULL) { 399 __ns_ldap_freeEntry(ep); 400 ep = NULL; 401 return (NS_LDAP_MEMORY); 402 } 403 ep->attr_pair = ap; 404 405 /* DN attribute */ 406 dn = ldap_get_dn(ld, e); 407 ap[0] = (ns_ldap_attr_t *)calloc(1, sizeof (ns_ldap_attr_t)); 408 if (ap[0] == NULL) { 409 ldap_memfree(dn); 410 dn = NULL; 411 __ns_ldap_freeEntry(ep); 412 ep = NULL; 413 return (NS_LDAP_MEMORY); 414 } 415 416 if ((ap[0]->attrname = strdup("dn")) == NULL) { 417 ldap_memfree(dn); 418 dn = NULL; 419 __ns_ldap_freeEntry(ep); 420 ep = NULL; 421 return (NS_LDAP_INVALID_PARAM); 422 } 423 ap[0]->value_count = 1; 424 if ((ap[0]->attrvalue = (char **) 425 calloc(2, sizeof (char *))) == NULL) { 426 ldap_memfree(dn); 427 dn = NULL; 428 __ns_ldap_freeEntry(ep); 429 ep = NULL; 430 return (NS_LDAP_MEMORY); 431 } 432 433 if (schema_mapping_existed && ((flags & NS_LDAP_NOT_CVT_DN) == 0)) 434 ap[0]->attrvalue[0] = _cvtDN(service, dn); 435 else 436 ap[0]->attrvalue[0] = strdup(dn); 437 438 if (ap[0]->attrvalue[0] == NULL) { 439 ldap_memfree(dn); 440 dn = NULL; 441 __ns_ldap_freeEntry(ep); 442 ep = NULL; 443 return (NS_LDAP_MEMORY); 444 } 445 ldap_memfree(dn); 446 dn = NULL; 447 448 if ((flags & NS_LDAP_NOMAP) == 0 && auto_service && 449 schema_mapping_existed) { 450 rc = __s_api_convert_automountmapname(service, 451 &ap[0]->attrvalue[0], 452 error); 453 if (rc != NS_LDAP_SUCCESS) { 454 __ns_ldap_freeEntry(ep); 455 ep = NULL; 456 return (rc); 457 } 458 } 459 460 /* other attributes */ 461 for (attr = ldap_first_attribute(ld, e, &ber), j = 1; 462 attr != NULL && j != nAttrs; 463 attr = ldap_next_attribute(ld, e, ber), j++) { 464 /* allocate new attr name */ 465 466 if ((ap[j] = (ns_ldap_attr_t *) 467 calloc(1, sizeof (ns_ldap_attr_t))) == NULL) { 468 ber_free(ber, 0); 469 ber = NULL; 470 __ns_ldap_freeEntry(ep); 471 ep = NULL; 472 if (gecos_mapping) 473 __s_api_free2dArray(gecos_mapping); 474 gecos_mapping = NULL; 475 return (NS_LDAP_MEMORY); 476 } 477 478 if ((flags & NS_LDAP_NOMAP) || schema_mapping_existed == FALSE) 479 mapping = NULL; 480 else 481 mapping = __ns_ldap_getOrigAttribute(service, attr); 482 483 if (mapping == NULL && auto_service && 484 schema_mapping_existed && (flags & NS_LDAP_NOMAP) == 0) 485 /* 486 * if service == auto_* and no schema mapping found 487 * and schema_mapping_existed is TRUE and NS_LDAP_NOMAP 488 * is not set then try automount e.g. 489 * NS_LDAP_ATTRIBUTEMAP = automount:automountMapName=AAA 490 */ 491 mapping = __ns_ldap_getOrigAttribute("automount", 492 attr); 493 494 if (mapping == NULL) { 495 if ((ap[j]->attrname = strdup(attr)) == NULL) { 496 ber_free(ber, 0); 497 ber = NULL; 498 __ns_ldap_freeEntry(ep); 499 ep = NULL; 500 if (gecos_mapping) 501 __s_api_free2dArray(gecos_mapping); 502 gecos_mapping = NULL; 503 return (NS_LDAP_MEMORY); 504 } 505 } else { 506 /* 507 * for "gecos" 1 to N mapping, 508 * do not remove the mapped attribute, 509 * just create a new gecos attribute 510 * and append it to the end of the attribute list 511 */ 512 if (strcasecmp(mapping[0], "gecos") == 0) { 513 ap[j]->attrname = strdup(attr); 514 gecos_mapping_existed = TRUE; 515 } else 516 ap[j]->attrname = strdup(mapping[0]); 517 518 if (ap[j]->attrname == NULL) { 519 ber_free(ber, 0); 520 ber = NULL; 521 __ns_ldap_freeEntry(ep); 522 ep = NULL; 523 if (gecos_mapping) 524 __s_api_free2dArray(gecos_mapping); 525 gecos_mapping = NULL; 526 return (NS_LDAP_MEMORY); 527 } 528 /* 529 * 1 to N attribute mapping processing 530 * is only done for "gecos" 531 */ 532 533 if (strcasecmp(mapping[0], "gecos") == 0) { 534 /* 535 * get attribute mapping for "gecos", 536 * need to know the number and order of the 537 * mapped attributes 538 */ 539 if (gecos_mapping == NULL) { 540 gecos_mapping = 541 __ns_ldap_getMappedAttributes( 542 service, mapping[0]); 543 if (gecos_mapping == NULL || 544 gecos_mapping[0] == NULL) { 545 /* 546 * this should never happens, 547 * syslog the error 548 */ 549 (void) sprintf(errstr, 550 gettext( 551 "Attribute mapping " 552 "inconsistency " 553 "found for attributes " 554 "'%s' and '%s'."), 555 mapping[0], attr); 556 syslog(LOG_ERR, "libsldap: %s", 557 errstr); 558 559 ber_free(ber, 0); 560 ber = NULL; 561 __ns_ldap_freeEntry(ep); 562 ep = NULL; 563 __s_api_free2dArray(mapping); 564 mapping = NULL; 565 if (gecos_mapping) 566 __s_api_free2dArray( 567 gecos_mapping); 568 gecos_mapping = NULL; 569 return (NS_LDAP_INTERNAL); 570 } 571 } 572 573 /* 574 * is this attribute the 1st, 2nd, or 575 * 3rd attr in the mapping list? 576 */ 577 gecos_attr_matched = FALSE; 578 for (i = 0; i < 3 && gecos_mapping[i]; i++) { 579 if (gecos_mapping[i] && 580 strcasecmp(gecos_mapping[i], 581 attr) == 0) { 582 gecos_val_index[i] = j; 583 gecos_attr_matched = TRUE; 584 break; 585 } 586 } 587 if (gecos_attr_matched == FALSE) { 588 /* 589 * Not match found. 590 * This should never happens, 591 * syslog the error 592 */ 593 (void) sprintf(errstr, 594 gettext( 595 "Attribute mapping " 596 "inconsistency " 597 "found for attributes " 598 "'%s' and '%s'."), 599 mapping[0], attr); 600 syslog(LOG_ERR, "libsldap: %s", errstr); 601 602 ber_free(ber, 0); 603 ber = NULL; 604 __ns_ldap_freeEntry(ep); 605 ep = NULL; 606 __s_api_free2dArray(mapping); 607 mapping = NULL; 608 __s_api_free2dArray(gecos_mapping); 609 gecos_mapping = NULL; 610 return (NS_LDAP_INTERNAL); 611 } 612 } 613 __s_api_free2dArray(mapping); 614 mapping = NULL; 615 } 616 617 if ((vals = ldap_get_values(ld, e, attr)) != NULL) { 618 619 if ((ap[j]->value_count = 620 ldap_count_values(vals)) == 0) { 621 ldap_value_free(vals); 622 vals = NULL; 623 continue; 624 } else { 625 ap[j]->attrvalue = (char **) 626 calloc(ap[j]->value_count+1, 627 sizeof (char *)); 628 if (ap[j]->attrvalue == NULL) { 629 ber_free(ber, 0); 630 ber = NULL; 631 __ns_ldap_freeEntry(ep); 632 ep = NULL; 633 if (gecos_mapping) 634 __s_api_free2dArray( 635 gecos_mapping); 636 gecos_mapping = NULL; 637 return (NS_LDAP_MEMORY); 638 } 639 } 640 641 /* map object classes if necessary */ 642 if ((flags & NS_LDAP_NOMAP) == 0 && 643 schema_mapping_existed && ap[j]->attrname && 644 strcasecmp(ap[j]->attrname, "objectclass") == 0) { 645 for (k = 0; k < ap[j]->value_count; k++) { 646 mapping = 647 __ns_ldap_getOrigObjectClass( 648 service, vals[k]); 649 650 if (mapping == NULL && auto_service) 651 /* 652 * if service == auto_* and no 653 * schema mapping found 654 * then try automount 655 */ 656 mapping = 657 __ns_ldap_getOrigObjectClass( 658 "automount", vals[k]); 659 660 if (mapping == NULL) { 661 ap[j]->attrvalue[k] = 662 strdup(vals[k]); 663 } else { 664 ap[j]->attrvalue[k] = 665 strdup(mapping[0]); 666 __s_api_free2dArray(mapping); 667 mapping = NULL; 668 } 669 if (ap[j]->attrvalue[k] == NULL) { 670 ber_free(ber, 0); 671 ber = NULL; 672 __ns_ldap_freeEntry(ep); 673 ep = NULL; 674 if (gecos_mapping) 675 __s_api_free2dArray( 676 gecos_mapping); 677 gecos_mapping = NULL; 678 return (NS_LDAP_MEMORY); 679 } 680 } 681 } else { 682 for (k = 0; k < ap[j]->value_count; k++) { 683 if ((ap[j]->attrvalue[k] = 684 strdup(vals[k])) == NULL) { 685 ber_free(ber, 0); 686 ber = NULL; 687 __ns_ldap_freeEntry(ep); 688 ep = NULL; 689 if (gecos_mapping) 690 __s_api_free2dArray( 691 gecos_mapping); 692 gecos_mapping = NULL; 693 return (NS_LDAP_MEMORY); 694 } 695 } 696 } 697 698 ap[j]->attrvalue[k] = NULL; 699 ldap_value_free(vals); 700 vals = NULL; 701 } 702 703 ldap_memfree(attr); 704 attr = NULL; 705 } 706 707 ber_free(ber, 0); 708 ber = NULL; 709 710 if (gecos_mapping) { 711 __s_api_free2dArray(gecos_mapping); 712 gecos_mapping = NULL; 713 } 714 715 /* special processing for gecos 1 to up to 3 attribute mapping */ 716 if (schema_mapping_existed && gecos_mapping_existed) { 717 718 int f = -1; 719 720 for (i = 0; i < 3; i++) { 721 k = gecos_val_index[i]; 722 723 /* 724 * f is the index of the first returned 725 * attribute which "gecos" attribute mapped to 726 */ 727 if (k != -1 && f == -1) 728 f = k; 729 730 if (k != -1 && ap[k]->value_count > 0 && 731 ap[k]->attrvalue[0] && 732 strlen(ap[k]->attrvalue[0]) > 0) { 733 734 if (k == f) { 735 /* 736 * Create and fill in the last reserved 737 * ap with the data from the "gecos" 738 * mapping attributes 739 */ 740 ap[nAttrs] = (ns_ldap_attr_t *) 741 calloc(1, 742 sizeof (ns_ldap_attr_t)); 743 if (ap[nAttrs] == NULL) { 744 __ns_ldap_freeEntry(ep); 745 ep = NULL; 746 return (NS_LDAP_MEMORY); 747 } 748 ap[nAttrs]->attrvalue = (char **)calloc( 749 2, sizeof (char *)); 750 if (ap[nAttrs]->attrvalue == NULL) { 751 __ns_ldap_freeEntry(ep); 752 ep = NULL; 753 return (NS_LDAP_MEMORY); 754 } 755 /* add 1 more for a possible "," */ 756 ap[nAttrs]->attrvalue[0] = 757 (char *)calloc( 758 strlen(ap[f]->attrvalue[0]) + 759 2, 1); 760 if (ap[nAttrs]->attrvalue[0] == NULL) { 761 __ns_ldap_freeEntry(ep); 762 ep = NULL; 763 return (NS_LDAP_MEMORY); 764 } 765 (void) strcpy(ap[nAttrs]->attrvalue[0], 766 ap[f]->attrvalue[0]); 767 768 ap[nAttrs]->attrname = strdup("gecos"); 769 if (ap[nAttrs]->attrname == NULL) { 770 __ns_ldap_freeEntry(ep); 771 ep = NULL; 772 return (NS_LDAP_MEMORY); 773 } 774 775 ap[nAttrs]->value_count = 1; 776 ep->attr_count = nAttrs + 1; 777 778 } else { 779 char *tmp = NULL; 780 781 /* 782 * realloc to add "," and 783 * ap[k]->attrvalue[0] 784 */ 785 tmp = (char *)realloc( 786 ap[nAttrs]->attrvalue[0], 787 strlen(ap[nAttrs]-> 788 attrvalue[0]) + 789 strlen(ap[k]-> 790 attrvalue[0]) + 2); 791 if (tmp == NULL) { 792 __ns_ldap_freeEntry(ep); 793 ep = NULL; 794 return (NS_LDAP_MEMORY); 795 } 796 ap[nAttrs]->attrvalue[0] = tmp; 797 (void) strcat(ap[nAttrs]->attrvalue[0], 798 ","); 799 (void) strcat(ap[nAttrs]->attrvalue[0], 800 ap[k]->attrvalue[0]); 801 } 802 } 803 } 804 } 805 806 *ret = ep; 807 return (NS_LDAP_SUCCESS); 808 } 809 810 static int 811 __s_api_getEntry(ns_ldap_cookie_t *cookie) 812 { 813 ns_ldap_entry_t *curEntry = NULL; 814 int ret; 815 816 #ifdef DEBUG 817 (void) fprintf(stderr, "__s_api_getEntry START\n"); 818 #endif 819 820 if (cookie->resultMsg == NULL) { 821 return (NS_LDAP_INVALID_PARAM); 822 } 823 ret = __s_api_cvtEntry(cookie->conn->ld, cookie->service, 824 cookie->resultMsg, cookie->i_flags, 825 &curEntry, &cookie->errorp); 826 if (ret != NS_LDAP_SUCCESS) { 827 return (ret); 828 } 829 830 if (cookie->result == NULL) { 831 cookie->result = (ns_ldap_result_t *) 832 calloc(1, sizeof (ns_ldap_result_t)); 833 if (cookie->result == NULL) { 834 __ns_ldap_freeEntry(curEntry); 835 curEntry = NULL; 836 return (NS_LDAP_MEMORY); 837 } 838 cookie->result->entry = curEntry; 839 cookie->nextEntry = curEntry; 840 } else { 841 cookie->nextEntry->next = curEntry; 842 cookie->nextEntry = curEntry; 843 } 844 cookie->result->entries_count++; 845 846 return (NS_LDAP_SUCCESS); 847 } 848 849 static int 850 __s_api_get_cachemgr_data(const char *type, 851 const char *from, char **to) 852 { 853 union { 854 ldap_data_t s_d; 855 char s_b[DOORBUFFERSIZE]; 856 } space; 857 ldap_data_t *sptr; 858 int ndata; 859 int adata; 860 int rc; 861 862 #ifdef DEBUG 863 (void) fprintf(stderr, "__s_api_get_cachemgr_data START\n"); 864 #endif 865 /* 866 * We are not going to perform DN to domain mapping 867 * in the Standalone mode 868 */ 869 if (__s_api_isStandalone()) { 870 return (-1); 871 } 872 873 if (from == NULL || from[0] == '\0' || to == NULL) 874 return (-1); 875 876 *to = NULL; 877 (void) memset(space.s_b, 0, DOORBUFFERSIZE); 878 879 space.s_d.ldap_call.ldap_callnumber = GETCACHE; 880 (void) snprintf(space.s_d.ldap_call.ldap_u.domainname, 881 DOORBUFFERSIZE - sizeof (space.s_d.ldap_call.ldap_callnumber), 882 "%s%s%s", 883 type, 884 DOORLINESEP, 885 from); 886 ndata = sizeof (space); 887 adata = sizeof (ldap_call_t) + 888 strlen(space.s_d.ldap_call.ldap_u.domainname) + 1; 889 sptr = &space.s_d; 890 891 rc = __ns_ldap_trydoorcall(&sptr, &ndata, &adata); 892 if (rc != NS_CACHE_SUCCESS) 893 return (-1); 894 else 895 *to = strdup(sptr->ldap_ret.ldap_u.buff); 896 return (NS_LDAP_SUCCESS); 897 } 898 899 static int 900 __s_api_set_cachemgr_data(const char *type, 901 const char *from, const char *to) 902 { 903 union { 904 ldap_data_t s_d; 905 char s_b[DOORBUFFERSIZE]; 906 } space; 907 ldap_data_t *sptr; 908 int ndata; 909 int adata; 910 int rc; 911 912 #ifdef DEBUG 913 (void) fprintf(stderr, "__s_api_set_cachemgr_data START\n"); 914 #endif 915 /* 916 * We are not going to perform DN to domain mapping 917 * in the Standalone mode 918 */ 919 if (__s_api_isStandalone()) { 920 return (-1); 921 } 922 923 if ((from == NULL) || (from[0] == '\0') || 924 (to == NULL) || (to[0] == '\0')) 925 return (-1); 926 927 (void) memset(space.s_b, 0, DOORBUFFERSIZE); 928 929 space.s_d.ldap_call.ldap_callnumber = SETCACHE; 930 (void) snprintf(space.s_d.ldap_call.ldap_u.domainname, 931 DOORBUFFERSIZE - sizeof (space.s_d.ldap_call.ldap_callnumber), 932 "%s%s%s%s%s", 933 type, 934 DOORLINESEP, 935 from, 936 DOORLINESEP, 937 to); 938 939 ndata = sizeof (space); 940 adata = sizeof (ldap_call_t) + 941 strlen(space.s_d.ldap_call.ldap_u.domainname) + 1; 942 sptr = &space.s_d; 943 944 rc = __ns_ldap_trydoorcall(&sptr, &ndata, &adata); 945 if (rc != NS_CACHE_SUCCESS) 946 return (-1); 947 948 return (NS_LDAP_SUCCESS); 949 } 950 951 952 static char * 953 __s_api_remove_rdn_space(char *rdn) 954 { 955 char *tf, *tl, *vf, *vl, *eqsign; 956 957 /* if no space(s) to remove, return */ 958 if (strchr(rdn, SPACETOK) == NULL) 959 return (rdn); 960 961 /* if no '=' separator, return */ 962 eqsign = strchr(rdn, '='); 963 if (eqsign == NULL) 964 return (rdn); 965 966 tf = rdn; 967 tl = eqsign - 1; 968 vf = eqsign + 1; 969 vl = rdn + strlen(rdn) - 1; 970 971 /* now two strings, type and value */ 972 *eqsign = '\0'; 973 974 /* remove type's leading spaces */ 975 while (tf < tl && *tf == SPACETOK) 976 tf++; 977 /* remove type's trailing spaces */ 978 while (tf < tl && *tl == SPACETOK) 979 tl--; 980 /* add '=' separator back */ 981 *(++tl) = '='; 982 /* remove value's leading spaces */ 983 while (vf < vl && *vf == SPACETOK) 984 vf++; 985 /* remove value's trailing spaces */ 986 while (vf < vl && *vl == SPACETOK) 987 *vl-- = '\0'; 988 989 /* move value up if necessary */ 990 if (vf != tl + 1) 991 (void) strcpy(tl + 1, vf); 992 993 return (tf); 994 } 995 996 static 997 ns_ldap_cookie_t * 998 init_search_state_machine() 999 { 1000 ns_ldap_cookie_t *cookie; 1001 ns_config_t *cfg; 1002 1003 cookie = (ns_ldap_cookie_t *)calloc(1, sizeof (ns_ldap_cookie_t)); 1004 if (cookie == NULL) 1005 return (NULL); 1006 cookie->state = INIT; 1007 /* assign other state variables */ 1008 cfg = __s_api_loadrefresh_config(); 1009 cookie->connectionId = -1; 1010 if (cfg == NULL || 1011 cfg->paramList[NS_LDAP_SEARCH_TIME_P].ns_ptype == NS_UNKNOWN) { 1012 cookie->search_timeout.tv_sec = NS_DEFAULT_SEARCH_TIMEOUT; 1013 } else { 1014 cookie->search_timeout.tv_sec = 1015 cfg->paramList[NS_LDAP_SEARCH_TIME_P].ns_i; 1016 } 1017 if (cfg != NULL) 1018 __s_api_release_config(cfg); 1019 cookie->search_timeout.tv_usec = 0; 1020 1021 return (cookie); 1022 } 1023 1024 static void 1025 delete_search_cookie(ns_ldap_cookie_t *cookie) 1026 { 1027 if (cookie == NULL) 1028 return; 1029 if (cookie->connectionId > -1) 1030 DropConnection(cookie->connectionId, cookie->i_flags); 1031 if (cookie->filter) 1032 free(cookie->filter); 1033 if (cookie->i_filter) 1034 free(cookie->i_filter); 1035 if (cookie->service) 1036 free(cookie->service); 1037 if (cookie->sdlist) 1038 (void) __ns_ldap_freeSearchDescriptors(&(cookie->sdlist)); 1039 if (cookie->result) 1040 (void) __ns_ldap_freeResult(&cookie->result); 1041 if (cookie->attribute) 1042 __s_api_free2dArray(cookie->attribute); 1043 if (cookie->errorp) 1044 (void) __ns_ldap_freeError(&cookie->errorp); 1045 if (cookie->reflist) 1046 __s_api_deleteRefInfo(cookie->reflist); 1047 if (cookie->basedn) 1048 free(cookie->basedn); 1049 if (cookie->ctrlCookie) 1050 ber_bvfree(cookie->ctrlCookie); 1051 _freeControlList(&cookie->p_serverctrls); 1052 if (cookie->resultctrl) 1053 ldap_controls_free(cookie->resultctrl); 1054 free(cookie); 1055 } 1056 1057 static int 1058 get_mapped_filter(ns_ldap_cookie_t *cookie, char **new_filter) 1059 { 1060 1061 typedef struct filter_mapping_info { 1062 char oc_or_attr; 1063 char *name_start; 1064 char *name_end; 1065 char *veq_pos; 1066 char *from_name; 1067 char *to_name; 1068 char **mapping; 1069 } filter_mapping_info_t; 1070 1071 char *c, *last_copied; 1072 char *filter_c, *filter_c_next; 1073 char *key, *tail, *head; 1074 char errstr[MAXERROR]; 1075 int num_eq = 0, num_veq = 0; 1076 int in_quote = FALSE; 1077 int is_value = FALSE; 1078 int i, j, oc_len, len; 1079 int at_least_one = FALSE; 1080 filter_mapping_info_t **info, *info1; 1081 char **mapping; 1082 char *service, *filter, *err; 1083 int auto_service = FALSE; 1084 1085 if (cookie == NULL || new_filter == NULL) 1086 return (NS_LDAP_INVALID_PARAM); 1087 1088 *new_filter = NULL; 1089 service = cookie->service; 1090 filter = cookie->filter; 1091 1092 /* 1093 * count the number of '=' char 1094 */ 1095 for (c = filter; *c; c++) { 1096 if (*c == TOKENSEPARATOR) 1097 num_eq++; 1098 } 1099 1100 if (service != NULL && strncasecmp(service, "auto_", 5) == 0) 1101 auto_service = TRUE; 1102 1103 /* 1104 * See if schema mapping existed for the given service. 1105 * If not, just return success. 1106 */ 1107 mapping = __ns_ldap_getOrigAttribute(service, 1108 NS_HASH_SCHEMA_MAPPING_EXISTED); 1109 1110 if (mapping == NULL && auto_service) 1111 /* 1112 * if service == auto_* and no 1113 * schema mapping found 1114 * then try automount 1115 */ 1116 mapping = __ns_ldap_getOrigAttribute( 1117 "automount", NS_HASH_SCHEMA_MAPPING_EXISTED); 1118 1119 if (mapping) 1120 __s_api_free2dArray(mapping); 1121 else 1122 return (NS_LDAP_SUCCESS); 1123 1124 /* 1125 * no '=' sign, just say OK and return nothing 1126 */ 1127 if (num_eq == 0) 1128 return (NS_LDAP_SUCCESS); 1129 1130 /* 1131 * Make a copy of the filter string 1132 * for saving the name of the objectclasses or 1133 * attributes that need to be passed to the 1134 * objectclass or attribute mapping functions. 1135 * pointer "info->from_name" points to the locations 1136 * within this string. 1137 * 1138 * The input filter string, filter, will be used 1139 * to indicate where these names start and end. 1140 * pointers "info->name_start" and "info->name_end" 1141 * point to locations within the input filter string, 1142 * and are used at the end of this function to 1143 * merge the original filter data with the 1144 * mapped objectclass or attribute names. 1145 */ 1146 filter_c = strdup(filter); 1147 if (filter_c == NULL) 1148 return (NS_LDAP_MEMORY); 1149 filter_c_next = filter_c; 1150 1151 /* 1152 * get memory for info arrays 1153 */ 1154 info = (filter_mapping_info_t **)calloc(num_eq + 1, 1155 sizeof (filter_mapping_info_t *)); 1156 1157 if (info == NULL) { 1158 free(filter_c); 1159 return (NS_LDAP_MEMORY); 1160 } 1161 1162 /* 1163 * find valid '=' for further processing, 1164 * ignore the "escaped =" (.i.e. "\="), or 1165 * "=" in quoted string 1166 */ 1167 for (c = filter_c; *c; c++) { 1168 1169 switch (*c) { 1170 case TOKENSEPARATOR: 1171 if (!in_quote && !is_value) { 1172 info1 = (filter_mapping_info_t *)calloc(1, 1173 sizeof (filter_mapping_info_t)); 1174 if (!info1) { 1175 free(filter_c); 1176 for (i = 0; i < num_veq; i++) 1177 free(info[i]); 1178 free(info); 1179 return (NS_LDAP_MEMORY); 1180 } 1181 info[num_veq] = info1; 1182 1183 /* 1184 * remember the location of this "=" 1185 */ 1186 info[num_veq++]->veq_pos = c; 1187 1188 /* 1189 * skip until the end of the attribute value 1190 */ 1191 is_value = TRUE; 1192 } 1193 break; 1194 case CPARATOK: 1195 /* 1196 * mark the end of the attribute value 1197 */ 1198 if (!in_quote) 1199 is_value = FALSE; 1200 break; 1201 case QUOTETOK: 1202 /* 1203 * switch on/off the in_quote mode 1204 */ 1205 in_quote = (in_quote == FALSE); 1206 break; 1207 case '\\': 1208 /* 1209 * ignore escape characters 1210 * don't skip if next char is '\0' 1211 */ 1212 if (!in_quote) 1213 if (*(++c) == '\0') 1214 c--; 1215 break; 1216 } 1217 1218 } 1219 1220 /* 1221 * for each valid "=" found, get the name to 1222 * be mapped 1223 */ 1224 oc_len = strlen("objectclass"); 1225 for (i = 0; i < num_veq; i++) { 1226 1227 /* 1228 * look at the left side of "=" to see 1229 * if assertion is "objectclass=<ocname>" 1230 * or "<attribute name>=<attribute value>" 1231 * 1232 * first skip spaces before "=". 1233 * Note that filter_c_next may not point to the 1234 * start of the filter string. For i > 0, 1235 * it points to the end of the last name processed + 2 1236 */ 1237 for (tail = info[i]->veq_pos; (tail > filter_c_next) && 1238 (*(tail - 1) == SPACETOK); tail--) 1239 ; 1240 1241 /* 1242 * mark the end of the left side string (the key) 1243 */ 1244 *tail = '\0'; 1245 info[i]->name_end = tail - filter_c - 1 + filter; 1246 1247 /* 1248 * find the start of the key 1249 */ 1250 key = filter_c_next; 1251 for (c = tail; filter_c_next <= c; c--) { 1252 /* OPARATOK is '(' */ 1253 if (*c == OPARATOK || 1254 *c == SPACETOK) { 1255 key = c + 1; 1256 break; 1257 } 1258 } 1259 info[i]->name_start = key - filter_c + filter; 1260 1261 if ((key + oc_len) <= tail) { 1262 if (strncasecmp(key, "objectclass", 1263 oc_len) == 0) { 1264 /* 1265 * assertion is "objectclass=ocname", 1266 * ocname is the one needs to be mapped 1267 * 1268 * skip spaces after "=" to find start 1269 * of the ocname 1270 */ 1271 head = info[i]->veq_pos; 1272 for (head = info[i]->veq_pos + 1; 1273 *head && *head == SPACETOK; head++) 1274 ; 1275 1276 /* ignore empty ocname */ 1277 if (!(*head)) 1278 continue; 1279 1280 info[i]->name_start = head - filter_c + 1281 filter; 1282 1283 /* 1284 * now find the end of the ocname 1285 */ 1286 for (c = head; ; c++) { 1287 /* CPARATOK is ')' */ 1288 if (*c == CPARATOK || 1289 *c == '\0' || 1290 *c == SPACETOK) { 1291 *c = '\0'; 1292 info[i]->name_end = 1293 c - filter_c - 1 + 1294 filter; 1295 filter_c_next = c + 1; 1296 info[i]->oc_or_attr = 'o'; 1297 info[i]->from_name = head; 1298 break; 1299 } 1300 } 1301 } 1302 } 1303 1304 /* 1305 * assertion is not "objectclass=ocname", 1306 * assume assertion is "<key> = <value>", 1307 * <key> is the one needs to be mapped 1308 */ 1309 if (info[i]->from_name == NULL && strlen(key) > 0) { 1310 info[i]->oc_or_attr = 'a'; 1311 info[i]->from_name = key; 1312 } 1313 } 1314 1315 /* perform schema mapping */ 1316 for (i = 0; i < num_veq; i++) { 1317 if (info[i]->from_name == NULL) 1318 continue; 1319 1320 if (info[i]->oc_or_attr == 'a') 1321 info[i]->mapping = 1322 __ns_ldap_getMappedAttributes(service, 1323 info[i]->from_name); 1324 else 1325 info[i]->mapping = 1326 __ns_ldap_getMappedObjectClass(service, 1327 info[i]->from_name); 1328 1329 if (info[i]->mapping == NULL && auto_service) { 1330 /* 1331 * If no mapped attribute/objectclass is found 1332 * and service == auto* 1333 * try to find automount's 1334 * mapped attribute/objectclass 1335 */ 1336 if (info[i]->oc_or_attr == 'a') 1337 info[i]->mapping = 1338 __ns_ldap_getMappedAttributes("automount", 1339 info[i]->from_name); 1340 else 1341 info[i]->mapping = 1342 __ns_ldap_getMappedObjectClass("automount", 1343 info[i]->from_name); 1344 } 1345 1346 if (info[i]->mapping == NULL || 1347 info[i]->mapping[0] == NULL) { 1348 info[i]->to_name = NULL; 1349 } else if (info[i]->mapping[1] == NULL) { 1350 info[i]->to_name = info[i]->mapping[0]; 1351 at_least_one = TRUE; 1352 } else { 1353 __s_api_free2dArray(info[i]->mapping); 1354 /* 1355 * multiple mapping 1356 * not allowed 1357 */ 1358 (void) sprintf(errstr, 1359 gettext( 1360 "Multiple attribute or objectclass " 1361 "mapping for '%s' in filter " 1362 "'%s' not allowed."), 1363 info[i]->from_name, filter); 1364 err = strdup(errstr); 1365 if (err) { 1366 MKERROR(LOG_WARNING, cookie->errorp, 1367 NS_CONFIG_SYNTAX, 1368 err, NULL); 1369 } 1370 1371 free(filter_c); 1372 for (j = 0; j < num_veq; j++) { 1373 if (info[j]->mapping) 1374 __s_api_free2dArray( 1375 info[j]->mapping); 1376 free(info[j]); 1377 } 1378 free(info); 1379 return (NS_LDAP_CONFIG); 1380 } 1381 } 1382 1383 1384 if (at_least_one) { 1385 1386 len = strlen(filter); 1387 last_copied = filter - 1; 1388 1389 for (i = 0; i < num_veq; i++) { 1390 if (info[i]->to_name) 1391 len += strlen(info[i]->to_name); 1392 } 1393 1394 *new_filter = (char *)calloc(1, len); 1395 if (*new_filter == NULL) { 1396 free(filter_c); 1397 for (j = 0; j < num_veq; j++) { 1398 if (info[j]->mapping) 1399 __s_api_free2dArray( 1400 info[j]->mapping); 1401 free(info[j]); 1402 } 1403 free(info); 1404 return (NS_LDAP_MEMORY); 1405 } 1406 1407 for (i = 0; i < num_veq; i++) { 1408 if (info[i]->to_name != NULL && 1409 info[i]->to_name != NULL) { 1410 1411 /* 1412 * copy the original filter data 1413 * between the last name and current 1414 * name 1415 */ 1416 if ((last_copied + 1) != info[i]->name_start) 1417 (void) strncat(*new_filter, 1418 last_copied + 1, 1419 info[i]->name_start - 1420 last_copied - 1); 1421 1422 /* the data is copied */ 1423 last_copied = info[i]->name_end; 1424 1425 /* 1426 * replace the name with 1427 * the mapped name 1428 */ 1429 (void) strcat(*new_filter, info[i]->to_name); 1430 } 1431 1432 /* copy the filter data after the last name */ 1433 if (i == (num_veq -1) && 1434 info[i]->name_end < 1435 (filter + strlen(filter))) 1436 (void) strncat(*new_filter, last_copied + 1, 1437 filter + strlen(filter) - 1438 last_copied - 1); 1439 } 1440 1441 } 1442 1443 /* free memory */ 1444 free(filter_c); 1445 for (j = 0; j < num_veq; j++) { 1446 if (info[j]->mapping) 1447 __s_api_free2dArray(info[j]->mapping); 1448 free(info[j]); 1449 } 1450 free(info); 1451 1452 return (NS_LDAP_SUCCESS); 1453 } 1454 1455 static int 1456 setup_next_search(ns_ldap_cookie_t *cookie) 1457 { 1458 ns_ldap_search_desc_t *dptr; 1459 int scope; 1460 char *filter, *str; 1461 int baselen; 1462 int rc; 1463 void **param; 1464 1465 dptr = *cookie->sdpos; 1466 scope = cookie->i_flags & (NS_LDAP_SCOPE_BASE | 1467 NS_LDAP_SCOPE_ONELEVEL | 1468 NS_LDAP_SCOPE_SUBTREE); 1469 if (scope) 1470 cookie->scope = scope; 1471 else 1472 cookie->scope = dptr->scope; 1473 switch (cookie->scope) { 1474 case NS_LDAP_SCOPE_BASE: 1475 cookie->scope = LDAP_SCOPE_BASE; 1476 break; 1477 case NS_LDAP_SCOPE_ONELEVEL: 1478 cookie->scope = LDAP_SCOPE_ONELEVEL; 1479 break; 1480 case NS_LDAP_SCOPE_SUBTREE: 1481 cookie->scope = LDAP_SCOPE_SUBTREE; 1482 break; 1483 } 1484 1485 filter = NULL; 1486 if (cookie->use_filtercb && cookie->init_filter_cb && 1487 dptr->filter && strlen(dptr->filter) > 0) { 1488 (*cookie->init_filter_cb)(dptr, &filter, 1489 cookie->userdata); 1490 } 1491 if (filter == NULL) { 1492 if (cookie->i_filter == NULL) { 1493 cookie->err_rc = NS_LDAP_INVALID_PARAM; 1494 return (-1); 1495 } else { 1496 if (cookie->filter) 1497 free(cookie->filter); 1498 cookie->filter = strdup(cookie->i_filter); 1499 if (cookie->filter == NULL) { 1500 cookie->err_rc = NS_LDAP_MEMORY; 1501 return (-1); 1502 } 1503 } 1504 } else { 1505 if (cookie->filter) 1506 free(cookie->filter); 1507 cookie->filter = strdup(filter); 1508 free(filter); 1509 if (cookie->filter == NULL) { 1510 cookie->err_rc = NS_LDAP_MEMORY; 1511 return (-1); 1512 } 1513 } 1514 1515 /* 1516 * perform attribute/objectclass mapping on filter 1517 */ 1518 filter = NULL; 1519 1520 if (cookie->service) { 1521 rc = get_mapped_filter(cookie, &filter); 1522 if (rc != NS_LDAP_SUCCESS) { 1523 cookie->err_rc = rc; 1524 return (-1); 1525 } else { 1526 /* 1527 * get_mapped_filter returns 1528 * NULL filter pointer, if 1529 * no mapping was done 1530 */ 1531 if (filter) { 1532 free(cookie->filter); 1533 cookie->filter = filter; 1534 } 1535 } 1536 } 1537 1538 /* 1539 * validate filter to make sure it's legal 1540 * [remove redundant ()'s] 1541 */ 1542 rc = validate_filter(cookie); 1543 if (rc != NS_LDAP_SUCCESS) { 1544 cookie->err_rc = rc; 1545 return (-1); 1546 } 1547 1548 baselen = strlen(dptr->basedn); 1549 if (baselen > 0 && dptr->basedn[baselen-1] == COMMATOK) { 1550 rc = __ns_ldap_getParam(NS_LDAP_SEARCH_BASEDN_P, 1551 (void ***)¶m, &cookie->errorp); 1552 if (rc != NS_LDAP_SUCCESS) { 1553 cookie->err_rc = rc; 1554 return (-1); 1555 } 1556 str = ((char **)param)[0]; 1557 baselen += strlen(str)+1; 1558 if (cookie->basedn) 1559 free(cookie->basedn); 1560 cookie->basedn = (char *)malloc(baselen); 1561 if (cookie->basedn == NULL) { 1562 cookie->err_rc = NS_LDAP_MEMORY; 1563 return (-1); 1564 } 1565 (void) strcpy(cookie->basedn, dptr->basedn); 1566 (void) strcat(cookie->basedn, str); 1567 (void) __ns_ldap_freeParam(¶m); 1568 } else { 1569 if (cookie->basedn) 1570 free(cookie->basedn); 1571 cookie->basedn = strdup(dptr->basedn); 1572 } 1573 return (0); 1574 } 1575 1576 static int 1577 setup_referral_search(ns_ldap_cookie_t *cookie) 1578 { 1579 ns_referral_info_t *ref; 1580 1581 ref = cookie->refpos; 1582 cookie->scope = ref->refScope; 1583 if (cookie->filter) { 1584 free(cookie->filter); 1585 } 1586 cookie->filter = strdup(ref->refFilter); 1587 if (cookie->basedn) { 1588 free(cookie->basedn); 1589 } 1590 cookie->basedn = strdup(ref->refDN); 1591 if (cookie->filter == NULL || cookie->basedn == NULL) { 1592 cookie->err_rc = NS_LDAP_MEMORY; 1593 return (-1); 1594 } 1595 return (0); 1596 } 1597 1598 static int 1599 get_current_session(ns_ldap_cookie_t *cookie) 1600 { 1601 ConnectionID connectionId = -1; 1602 Connection *conp = NULL; 1603 int rc; 1604 int fail_if_new_pwd_reqd = 1; 1605 1606 rc = __s_api_getConnection(NULL, cookie->i_flags, 1607 cookie->i_auth, &connectionId, &conp, 1608 &cookie->errorp, fail_if_new_pwd_reqd, 1609 cookie->nopasswd_acct_mgmt, cookie->conn_user); 1610 1611 /* 1612 * If password control attached in *cookie->errorp, 1613 * e.g. rc == NS_LDAP_SUCCESS_WITH_INFO, 1614 * free the error structure (we do not need 1615 * the sec_to_expired info). 1616 * Reset rc to NS_LDAP_SUCCESS. 1617 */ 1618 if (rc == NS_LDAP_SUCCESS_WITH_INFO) { 1619 (void) __ns_ldap_freeError( 1620 &cookie->errorp); 1621 cookie->errorp = NULL; 1622 rc = NS_LDAP_SUCCESS; 1623 } 1624 1625 if (rc != NS_LDAP_SUCCESS) { 1626 cookie->err_rc = rc; 1627 return (-1); 1628 } 1629 cookie->conn = conp; 1630 cookie->connectionId = connectionId; 1631 1632 return (0); 1633 } 1634 1635 static int 1636 get_next_session(ns_ldap_cookie_t *cookie) 1637 { 1638 ConnectionID connectionId = -1; 1639 Connection *conp = NULL; 1640 int rc; 1641 int fail_if_new_pwd_reqd = 1; 1642 1643 if (cookie->connectionId > -1) { 1644 DropConnection(cookie->connectionId, cookie->i_flags); 1645 cookie->connectionId = -1; 1646 } 1647 1648 /* If using a MT connection, return it. */ 1649 if (cookie->conn_user != NULL && 1650 cookie->conn_user->conn_mt != NULL) 1651 __s_api_conn_mt_return(cookie->conn_user); 1652 1653 rc = __s_api_getConnection(NULL, cookie->i_flags, 1654 cookie->i_auth, &connectionId, &conp, 1655 &cookie->errorp, fail_if_new_pwd_reqd, 1656 cookie->nopasswd_acct_mgmt, cookie->conn_user); 1657 1658 /* 1659 * If password control attached in *cookie->errorp, 1660 * e.g. rc == NS_LDAP_SUCCESS_WITH_INFO, 1661 * free the error structure (we do not need 1662 * the sec_to_expired info). 1663 * Reset rc to NS_LDAP_SUCCESS. 1664 */ 1665 if (rc == NS_LDAP_SUCCESS_WITH_INFO) { 1666 (void) __ns_ldap_freeError( 1667 &cookie->errorp); 1668 cookie->errorp = NULL; 1669 rc = NS_LDAP_SUCCESS; 1670 } 1671 1672 if (rc != NS_LDAP_SUCCESS) { 1673 cookie->err_rc = rc; 1674 return (-1); 1675 } 1676 cookie->conn = conp; 1677 cookie->connectionId = connectionId; 1678 return (0); 1679 } 1680 1681 static int 1682 get_referral_session(ns_ldap_cookie_t *cookie) 1683 { 1684 ConnectionID connectionId = -1; 1685 Connection *conp = NULL; 1686 int rc; 1687 int fail_if_new_pwd_reqd = 1; 1688 1689 if (cookie->connectionId > -1) { 1690 DropConnection(cookie->connectionId, cookie->i_flags); 1691 cookie->connectionId = -1; 1692 } 1693 1694 /* set it up to use a connection opened for referral */ 1695 if (cookie->conn_user != NULL) { 1696 /* If using a MT connection, return it. */ 1697 if (cookie->conn_user->conn_mt != NULL) 1698 __s_api_conn_mt_return(cookie->conn_user); 1699 cookie->conn_user->referral = B_TRUE; 1700 } 1701 1702 rc = __s_api_getConnection(cookie->refpos->refHost, 0, 1703 cookie->i_auth, &connectionId, &conp, 1704 &cookie->errorp, fail_if_new_pwd_reqd, 1705 cookie->nopasswd_acct_mgmt, cookie->conn_user); 1706 1707 /* 1708 * If password control attached in *cookie->errorp, 1709 * e.g. rc == NS_LDAP_SUCCESS_WITH_INFO, 1710 * free the error structure (we do not need 1711 * the sec_to_expired info). 1712 * Reset rc to NS_LDAP_SUCCESS. 1713 */ 1714 if (rc == NS_LDAP_SUCCESS_WITH_INFO) { 1715 (void) __ns_ldap_freeError( 1716 &cookie->errorp); 1717 cookie->errorp = NULL; 1718 rc = NS_LDAP_SUCCESS; 1719 } 1720 1721 if (rc != NS_LDAP_SUCCESS) { 1722 cookie->err_rc = rc; 1723 return (-1); 1724 } 1725 cookie->conn = conp; 1726 cookie->connectionId = connectionId; 1727 return (0); 1728 } 1729 1730 static int 1731 paging_supported(ns_ldap_cookie_t *cookie) 1732 { 1733 int rc; 1734 1735 cookie->listType = 0; 1736 rc = __s_api_isCtrlSupported(cookie->conn, 1737 LDAP_CONTROL_VLVREQUEST); 1738 if (rc == NS_LDAP_SUCCESS) { 1739 cookie->listType = VLVCTRLFLAG; 1740 return (1); 1741 } 1742 rc = __s_api_isCtrlSupported(cookie->conn, 1743 LDAP_CONTROL_SIMPLE_PAGE); 1744 if (rc == NS_LDAP_SUCCESS) { 1745 cookie->listType = SIMPLEPAGECTRLFLAG; 1746 return (1); 1747 } 1748 return (0); 1749 } 1750 1751 typedef struct servicesorttype { 1752 char *service; 1753 ns_srvsidesort_t type; 1754 } servicesorttype_t; 1755 1756 static servicesorttype_t *sort_type = NULL; 1757 static int sort_type_size = 0; 1758 static int sort_type_hwm = 0; 1759 static mutex_t sort_type_mutex = DEFAULTMUTEX; 1760 1761 1762 static ns_srvsidesort_t 1763 get_srvsidesort_type(char *service) 1764 { 1765 int i; 1766 ns_srvsidesort_t type = SSS_UNKNOWN; 1767 1768 if (service == NULL) 1769 return (type); 1770 1771 (void) mutex_lock(&sort_type_mutex); 1772 if (sort_type != NULL) { 1773 for (i = 0; i < sort_type_hwm; i++) { 1774 if (strcmp(sort_type[i].service, service) == 0) { 1775 type = sort_type[i].type; 1776 break; 1777 } 1778 } 1779 } 1780 (void) mutex_unlock(&sort_type_mutex); 1781 return (type); 1782 } 1783 1784 static void 1785 update_srvsidesort_type(char *service, ns_srvsidesort_t type) 1786 { 1787 int i, size; 1788 servicesorttype_t *tmp; 1789 1790 if (service == NULL) 1791 return; 1792 1793 (void) mutex_lock(&sort_type_mutex); 1794 1795 for (i = 0; i < sort_type_hwm; i++) { 1796 if (strcmp(sort_type[i].service, service) == 0) { 1797 sort_type[i].type = type; 1798 (void) mutex_unlock(&sort_type_mutex); 1799 return; 1800 } 1801 } 1802 if (sort_type == NULL) { 1803 size = 10; 1804 tmp = malloc(size * sizeof (servicesorttype_t)); 1805 if (tmp == NULL) { 1806 (void) mutex_unlock(&sort_type_mutex); 1807 return; 1808 } 1809 sort_type = tmp; 1810 sort_type_size = size; 1811 } else if (sort_type_hwm >= sort_type_size) { 1812 size = sort_type_size + 10; 1813 tmp = realloc(sort_type, size * sizeof (servicesorttype_t)); 1814 if (tmp == NULL) { 1815 (void) mutex_unlock(&sort_type_mutex); 1816 return; 1817 } 1818 sort_type = tmp; 1819 sort_type_size = size; 1820 } 1821 sort_type[sort_type_hwm].service = strdup(service); 1822 if (sort_type[sort_type_hwm].service == NULL) { 1823 (void) mutex_unlock(&sort_type_mutex); 1824 return; 1825 } 1826 sort_type[sort_type_hwm].type = type; 1827 sort_type_hwm++; 1828 1829 (void) mutex_unlock(&sort_type_mutex); 1830 } 1831 1832 static int 1833 setup_vlv_params(ns_ldap_cookie_t *cookie) 1834 { 1835 LDAPControl **ctrls; 1836 LDAPsortkey **sortkeylist; 1837 LDAPControl *sortctrl = NULL; 1838 LDAPControl *vlvctrl = NULL; 1839 LDAPVirtualList vlist; 1840 char *sortattr; 1841 int rc; 1842 int free_sort = FALSE; 1843 1844 _freeControlList(&cookie->p_serverctrls); 1845 1846 if (cookie->sortTypeTry == SSS_UNKNOWN) 1847 cookie->sortTypeTry = get_srvsidesort_type(cookie->service); 1848 if (cookie->sortTypeTry == SSS_UNKNOWN) 1849 cookie->sortTypeTry = SSS_SINGLE_ATTR; 1850 1851 if (cookie->sortTypeTry == SSS_SINGLE_ATTR) { 1852 if ((cookie->i_flags & NS_LDAP_NOMAP) == 0 && 1853 cookie->i_sortattr) { 1854 sortattr = __ns_ldap_mapAttribute(cookie->service, 1855 cookie->i_sortattr); 1856 free_sort = TRUE; 1857 } else if (cookie->i_sortattr) { 1858 sortattr = (char *)cookie->i_sortattr; 1859 } else { 1860 sortattr = "cn"; 1861 } 1862 } else { 1863 sortattr = "cn uid"; 1864 } 1865 1866 rc = ldap_create_sort_keylist(&sortkeylist, sortattr); 1867 if (free_sort) 1868 free(sortattr); 1869 if (rc != LDAP_SUCCESS) { 1870 (void) ldap_get_option(cookie->conn->ld, 1871 LDAP_OPT_ERROR_NUMBER, &rc); 1872 return (rc); 1873 } 1874 rc = ldap_create_sort_control(cookie->conn->ld, 1875 sortkeylist, 1, &sortctrl); 1876 ldap_free_sort_keylist(sortkeylist); 1877 if (rc != LDAP_SUCCESS) { 1878 (void) ldap_get_option(cookie->conn->ld, 1879 LDAP_OPT_ERROR_NUMBER, &rc); 1880 return (rc); 1881 } 1882 1883 vlist.ldvlist_index = cookie->index; 1884 vlist.ldvlist_size = 0; 1885 1886 vlist.ldvlist_before_count = 0; 1887 vlist.ldvlist_after_count = LISTPAGESIZE-1; 1888 vlist.ldvlist_attrvalue = NULL; 1889 vlist.ldvlist_extradata = NULL; 1890 1891 rc = ldap_create_virtuallist_control(cookie->conn->ld, 1892 &vlist, &vlvctrl); 1893 if (rc != LDAP_SUCCESS) { 1894 ldap_control_free(sortctrl); 1895 (void) ldap_get_option(cookie->conn->ld, LDAP_OPT_ERROR_NUMBER, 1896 &rc); 1897 return (rc); 1898 } 1899 1900 ctrls = (LDAPControl **)calloc(3, sizeof (LDAPControl *)); 1901 if (ctrls == NULL) { 1902 ldap_control_free(sortctrl); 1903 ldap_control_free(vlvctrl); 1904 return (LDAP_NO_MEMORY); 1905 } 1906 1907 ctrls[0] = sortctrl; 1908 ctrls[1] = vlvctrl; 1909 1910 cookie->p_serverctrls = ctrls; 1911 return (LDAP_SUCCESS); 1912 } 1913 1914 static int 1915 setup_simplepg_params(ns_ldap_cookie_t *cookie) 1916 { 1917 LDAPControl **ctrls; 1918 LDAPControl *pgctrl = NULL; 1919 int rc; 1920 1921 _freeControlList(&cookie->p_serverctrls); 1922 1923 rc = ldap_create_page_control(cookie->conn->ld, LISTPAGESIZE, 1924 cookie->ctrlCookie, (char)0, &pgctrl); 1925 if (rc != LDAP_SUCCESS) { 1926 (void) ldap_get_option(cookie->conn->ld, LDAP_OPT_ERROR_NUMBER, 1927 &rc); 1928 return (rc); 1929 } 1930 1931 ctrls = (LDAPControl **)calloc(2, sizeof (LDAPControl *)); 1932 if (ctrls == NULL) { 1933 ldap_control_free(pgctrl); 1934 return (LDAP_NO_MEMORY); 1935 } 1936 ctrls[0] = pgctrl; 1937 cookie->p_serverctrls = ctrls; 1938 return (LDAP_SUCCESS); 1939 } 1940 1941 static void 1942 proc_result_referrals(ns_ldap_cookie_t *cookie) 1943 { 1944 int errCode, i, rc; 1945 char **referrals = NULL; 1946 1947 /* 1948 * Only follow one level of referrals, i.e. 1949 * if already in referral mode, do nothing 1950 */ 1951 if (cookie->refpos == NULL) { 1952 cookie->new_state = END_RESULT; 1953 rc = ldap_parse_result(cookie->conn->ld, 1954 cookie->resultMsg, 1955 &errCode, NULL, 1956 NULL, &referrals, 1957 NULL, 0); 1958 if (rc != NS_LDAP_SUCCESS) { 1959 (void) ldap_get_option(cookie->conn->ld, 1960 LDAP_OPT_ERROR_NUMBER, 1961 &cookie->err_rc); 1962 cookie->new_state = LDAP_ERROR; 1963 return; 1964 } 1965 if (errCode == LDAP_REFERRAL) { 1966 for (i = 0; referrals[i] != NULL; 1967 i++) { 1968 /* add to referral list */ 1969 rc = __s_api_addRefInfo( 1970 &cookie->reflist, 1971 referrals[i], 1972 cookie->basedn, 1973 &cookie->scope, 1974 cookie->filter, 1975 cookie->conn->ld); 1976 if (rc != NS_LDAP_SUCCESS) { 1977 cookie->new_state = 1978 ERROR; 1979 break; 1980 } 1981 } 1982 ldap_value_free(referrals); 1983 } 1984 } 1985 } 1986 1987 static void 1988 proc_search_references(ns_ldap_cookie_t *cookie) 1989 { 1990 char **refurls = NULL; 1991 int i, rc; 1992 1993 /* 1994 * Only follow one level of referrals, i.e. 1995 * if already in referral mode, do nothing 1996 */ 1997 if (cookie->refpos == NULL) { 1998 refurls = ldap_get_reference_urls( 1999 cookie->conn->ld, 2000 cookie->resultMsg); 2001 if (refurls == NULL) { 2002 (void) ldap_get_option(cookie->conn->ld, 2003 LDAP_OPT_ERROR_NUMBER, 2004 &cookie->err_rc); 2005 cookie->new_state = LDAP_ERROR; 2006 return; 2007 } 2008 for (i = 0; refurls[i] != NULL; i++) { 2009 /* add to referral list */ 2010 rc = __s_api_addRefInfo( 2011 &cookie->reflist, 2012 refurls[i], 2013 cookie->basedn, 2014 &cookie->scope, 2015 cookie->filter, 2016 cookie->conn->ld); 2017 if (rc != NS_LDAP_SUCCESS) { 2018 cookie->new_state = 2019 ERROR; 2020 break; 2021 } 2022 } 2023 /* free allocated storage */ 2024 for (i = 0; refurls[i] != NULL; i++) 2025 free(refurls[i]); 2026 } 2027 } 2028 2029 static ns_state_t 2030 multi_result(ns_ldap_cookie_t *cookie) 2031 { 2032 char errstr[MAXERROR]; 2033 char *err; 2034 ns_ldap_error_t **errorp = NULL; 2035 LDAPControl **retCtrls = NULL; 2036 int i, rc; 2037 int errCode; 2038 int finished = 0; 2039 unsigned long target_posp = 0; 2040 unsigned long list_size = 0; 2041 unsigned int count = 0; 2042 char **referrals = NULL; 2043 2044 if (cookie->listType == VLVCTRLFLAG) { 2045 rc = ldap_parse_result(cookie->conn->ld, cookie->resultMsg, 2046 &errCode, NULL, NULL, &referrals, &retCtrls, 0); 2047 if (rc != LDAP_SUCCESS) { 2048 (void) ldap_get_option(cookie->conn->ld, 2049 LDAP_OPT_ERROR_NUMBER, 2050 &cookie->err_rc); 2051 (void) sprintf(errstr, 2052 gettext("LDAP ERROR (%d): %s.\n"), 2053 cookie->err_rc, 2054 gettext(ldap_err2string(cookie->err_rc))); 2055 err = strdup(errstr); 2056 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, err, 2057 NULL); 2058 cookie->err_rc = NS_LDAP_INTERNAL; 2059 cookie->errorp = *errorp; 2060 return (LDAP_ERROR); 2061 } 2062 if (errCode == LDAP_REFERRAL) { 2063 for (i = 0; referrals[i] != NULL; 2064 i++) { 2065 /* add to referral list */ 2066 rc = __s_api_addRefInfo( 2067 &cookie->reflist, 2068 referrals[i], 2069 cookie->basedn, 2070 &cookie->scope, 2071 cookie->filter, 2072 cookie->conn->ld); 2073 if (rc != NS_LDAP_SUCCESS) { 2074 ldap_value_free( 2075 referrals); 2076 if (retCtrls) 2077 ldap_controls_free( 2078 retCtrls); 2079 return (ERROR); 2080 } 2081 } 2082 ldap_value_free(referrals); 2083 if (retCtrls) 2084 ldap_controls_free(retCtrls); 2085 return (END_RESULT); 2086 } 2087 if (retCtrls) { 2088 rc = ldap_parse_virtuallist_control( 2089 cookie->conn->ld, retCtrls, 2090 &target_posp, &list_size, &errCode); 2091 if (rc == LDAP_SUCCESS) { 2092 /* 2093 * AD does not return valid target_posp 2094 * and list_size 2095 */ 2096 if (target_posp != 0 && list_size != 0) { 2097 cookie->index = 2098 target_posp + LISTPAGESIZE; 2099 if (cookie->index > list_size) 2100 finished = 1; 2101 } else { 2102 if (cookie->entryCount < LISTPAGESIZE) 2103 finished = 1; 2104 else 2105 cookie->index += 2106 cookie->entryCount; 2107 } 2108 } 2109 ldap_controls_free(retCtrls); 2110 retCtrls = NULL; 2111 } 2112 else 2113 finished = 1; 2114 } else if (cookie->listType == SIMPLEPAGECTRLFLAG) { 2115 rc = ldap_parse_result(cookie->conn->ld, cookie->resultMsg, 2116 &errCode, NULL, NULL, &referrals, &retCtrls, 0); 2117 if (rc != LDAP_SUCCESS) { 2118 (void) ldap_get_option(cookie->conn->ld, 2119 LDAP_OPT_ERROR_NUMBER, 2120 &cookie->err_rc); 2121 (void) sprintf(errstr, 2122 gettext("LDAP ERROR (%d): %s.\n"), 2123 cookie->err_rc, 2124 gettext(ldap_err2string(cookie->err_rc))); 2125 err = strdup(errstr); 2126 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, err, 2127 NULL); 2128 cookie->err_rc = NS_LDAP_INTERNAL; 2129 cookie->errorp = *errorp; 2130 return (LDAP_ERROR); 2131 } 2132 if (errCode == LDAP_REFERRAL) { 2133 for (i = 0; referrals[i] != NULL; 2134 i++) { 2135 /* add to referral list */ 2136 rc = __s_api_addRefInfo( 2137 &cookie->reflist, 2138 referrals[i], 2139 cookie->basedn, 2140 &cookie->scope, 2141 cookie->filter, 2142 cookie->conn->ld); 2143 if (rc != NS_LDAP_SUCCESS) { 2144 ldap_value_free( 2145 referrals); 2146 if (retCtrls) 2147 ldap_controls_free( 2148 retCtrls); 2149 return (ERROR); 2150 } 2151 } 2152 ldap_value_free(referrals); 2153 if (retCtrls) 2154 ldap_controls_free(retCtrls); 2155 return (END_RESULT); 2156 } 2157 if (retCtrls) { 2158 if (cookie->ctrlCookie) 2159 ber_bvfree(cookie->ctrlCookie); 2160 cookie->ctrlCookie = NULL; 2161 rc = ldap_parse_page_control( 2162 cookie->conn->ld, retCtrls, 2163 &count, &cookie->ctrlCookie); 2164 if (rc == LDAP_SUCCESS) { 2165 if ((cookie->ctrlCookie == NULL) || 2166 (cookie->ctrlCookie->bv_val == NULL) || 2167 (cookie->ctrlCookie->bv_len == 0)) 2168 finished = 1; 2169 } 2170 ldap_controls_free(retCtrls); 2171 retCtrls = NULL; 2172 } 2173 else 2174 finished = 1; 2175 } 2176 if (!finished && cookie->listType == VLVCTRLFLAG) 2177 return (NEXT_VLV); 2178 if (!finished && cookie->listType == SIMPLEPAGECTRLFLAG) 2179 return (NEXT_PAGE); 2180 if (finished) 2181 return (END_RESULT); 2182 return (ERROR); 2183 } 2184 2185 /* 2186 * clear_results(ns_ldap_cookie_t): 2187 * 2188 * Attempt to obtain remnants of ldap responses and free them. If remnants are 2189 * not obtained within a certain time period tell the server we wish to abandon 2190 * the request. 2191 * 2192 * Note that we do not initially tell the server to abandon the request as that 2193 * can be an expensive operation for the server, while it is cheap for us to 2194 * just flush the input. 2195 * 2196 * If something was to remain in libldap queue as a result of some error then 2197 * it would be freed later during drop connection call or when no other 2198 * requests share the connection. 2199 */ 2200 static void 2201 clear_results(ns_ldap_cookie_t *cookie) 2202 { 2203 int rc; 2204 if (cookie->conn != NULL && cookie->conn->ld != NULL && 2205 (cookie->connectionId != -1 || 2206 (cookie->conn_user != NULL && 2207 cookie->conn_user->conn_mt != NULL)) && 2208 cookie->msgId != 0) { 2209 /* 2210 * We need to cleanup the rest of response (if there is such) 2211 * and LDAP abandon is too heavy for LDAP servers, so we will 2212 * wait for the rest of response till timeout and "process" it. 2213 */ 2214 rc = ldap_result(cookie->conn->ld, cookie->msgId, LDAP_MSG_ALL, 2215 (struct timeval *)&cookie->search_timeout, 2216 &cookie->resultMsg); 2217 if (rc != -1 && rc != 0 && cookie->resultMsg != NULL) { 2218 (void) ldap_msgfree(cookie->resultMsg); 2219 cookie->resultMsg = NULL; 2220 } 2221 2222 /* 2223 * If there was timeout then we will send ABANDON request to 2224 * LDAP server to decrease load. 2225 */ 2226 if (rc == 0) 2227 (void) ldap_abandon_ext(cookie->conn->ld, cookie->msgId, 2228 NULL, NULL); 2229 /* Disassociate cookie with msgId */ 2230 cookie->msgId = 0; 2231 } 2232 } 2233 2234 /* 2235 * This state machine performs one or more LDAP searches to a given 2236 * directory server using service search descriptors and schema 2237 * mapping as appropriate. The approximate pseudocode for 2238 * this routine is the following: 2239 * Given the current configuration [set/reset connection etc.] 2240 * and the current service search descriptor list 2241 * or default search filter parameters 2242 * foreach (service search filter) { 2243 * initialize the filter [via filter_init if appropriate] 2244 * get a valid session/connection (preferably the current one) 2245 * Recover if the connection is lost 2246 * perform the search 2247 * foreach (result entry) { 2248 * process result [via callback if appropriate] 2249 * save result for caller if accepted. 2250 * exit and return all collected if allResults found; 2251 * } 2252 * } 2253 * return collected results and exit 2254 */ 2255 2256 static 2257 ns_state_t 2258 search_state_machine(ns_ldap_cookie_t *cookie, ns_state_t state, int cycle) 2259 { 2260 char errstr[MAXERROR]; 2261 char *err; 2262 int rc, ret; 2263 int rc_save; 2264 ns_ldap_entry_t *nextEntry; 2265 ns_ldap_error_t *error = NULL; 2266 ns_ldap_error_t **errorp; 2267 struct timeval tv; 2268 2269 errorp = &error; 2270 cookie->state = state; 2271 errstr[0] = '\0'; 2272 2273 for (;;) { 2274 switch (cookie->state) { 2275 case CLEAR_RESULTS: 2276 clear_results(cookie); 2277 cookie->new_state = EXIT; 2278 break; 2279 case GET_ACCT_MGMT_INFO: 2280 /* 2281 * Set the flag to get ldap account management controls. 2282 */ 2283 cookie->nopasswd_acct_mgmt = 1; 2284 cookie->new_state = INIT; 2285 break; 2286 case EXIT: 2287 /* state engine/connection cleaned up in delete */ 2288 if (cookie->attribute) { 2289 __s_api_free2dArray(cookie->attribute); 2290 cookie->attribute = NULL; 2291 } 2292 if (cookie->reflist) { 2293 __s_api_deleteRefInfo(cookie->reflist); 2294 cookie->reflist = NULL; 2295 } 2296 return (EXIT); 2297 case INIT: 2298 cookie->sdpos = NULL; 2299 cookie->new_state = NEXT_SEARCH_DESCRIPTOR; 2300 if (cookie->attribute) { 2301 __s_api_free2dArray(cookie->attribute); 2302 cookie->attribute = NULL; 2303 } 2304 if ((cookie->i_flags & NS_LDAP_NOMAP) == 0 && 2305 cookie->i_attr) { 2306 cookie->attribute = 2307 __ns_ldap_mapAttributeList( 2308 cookie->service, 2309 cookie->i_attr); 2310 } 2311 break; 2312 case REINIT: 2313 /* Check if we've reached MAX retries. */ 2314 cookie->retries++; 2315 if (cookie->retries > NS_LIST_TRY_MAX - 1) { 2316 cookie->new_state = LDAP_ERROR; 2317 break; 2318 } 2319 2320 /* 2321 * Even if we still have retries left, check 2322 * if retry is possible. 2323 */ 2324 if (cookie->conn_user != NULL) { 2325 int retry; 2326 ns_conn_mgmt_t *cmg; 2327 cmg = cookie->conn_user->conn_mgmt; 2328 retry = cookie->conn_user->retry; 2329 if (cmg != NULL && cmg->cfg_reloaded == 1) 2330 retry = 1; 2331 if (retry == 0) { 2332 cookie->new_state = LDAP_ERROR; 2333 break; 2334 } 2335 } 2336 /* 2337 * Free results if any, reset to the first 2338 * search descriptor and start a new session. 2339 */ 2340 if (cookie->resultMsg != NULL) { 2341 (void) ldap_msgfree(cookie->resultMsg); 2342 cookie->resultMsg = NULL; 2343 } 2344 (void) __ns_ldap_freeError(&cookie->errorp); 2345 (void) __ns_ldap_freeResult(&cookie->result); 2346 cookie->sdpos = cookie->sdlist; 2347 cookie->err_from_result = 0; 2348 cookie->err_rc = 0; 2349 cookie->new_state = NEXT_SESSION; 2350 break; 2351 case NEXT_SEARCH_DESCRIPTOR: 2352 /* get next search descriptor */ 2353 if (cookie->sdpos == NULL) { 2354 cookie->sdpos = cookie->sdlist; 2355 cookie->new_state = GET_SESSION; 2356 } else { 2357 cookie->sdpos++; 2358 cookie->new_state = NEXT_SEARCH; 2359 } 2360 if (*cookie->sdpos == NULL) 2361 cookie->new_state = EXIT; 2362 break; 2363 case GET_SESSION: 2364 if (get_current_session(cookie) < 0) 2365 cookie->new_state = NEXT_SESSION; 2366 else 2367 cookie->new_state = NEXT_SEARCH; 2368 break; 2369 case NEXT_SESSION: 2370 if (get_next_session(cookie) < 0) 2371 cookie->new_state = RESTART_SESSION; 2372 else 2373 cookie->new_state = NEXT_SEARCH; 2374 break; 2375 case RESTART_SESSION: 2376 if (cookie->i_flags & NS_LDAP_HARD) { 2377 cookie->new_state = NEXT_SESSION; 2378 break; 2379 } 2380 (void) sprintf(errstr, 2381 gettext("Session error no available conn.\n"), 2382 state); 2383 err = strdup(errstr); 2384 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, err, 2385 NULL); 2386 cookie->err_rc = NS_LDAP_INTERNAL; 2387 cookie->errorp = *errorp; 2388 cookie->new_state = EXIT; 2389 break; 2390 case NEXT_SEARCH: 2391 /* setup referrals search if necessary */ 2392 if (cookie->refpos) { 2393 if (setup_referral_search(cookie) < 0) { 2394 cookie->new_state = EXIT; 2395 break; 2396 } 2397 } else if (setup_next_search(cookie) < 0) { 2398 cookie->new_state = EXIT; 2399 break; 2400 } 2401 /* only do VLV/PAGE on scopes onelevel/subtree */ 2402 if (paging_supported(cookie)) { 2403 if (cookie->use_paging && 2404 (cookie->scope != LDAP_SCOPE_BASE)) { 2405 cookie->index = 1; 2406 if (cookie->listType == VLVCTRLFLAG) 2407 cookie->new_state = NEXT_VLV; 2408 else 2409 cookie->new_state = NEXT_PAGE; 2410 break; 2411 } 2412 } 2413 cookie->new_state = ONE_SEARCH; 2414 break; 2415 case NEXT_VLV: 2416 rc = setup_vlv_params(cookie); 2417 if (rc != LDAP_SUCCESS) { 2418 cookie->err_rc = rc; 2419 cookie->new_state = LDAP_ERROR; 2420 break; 2421 } 2422 cookie->next_state = MULTI_RESULT; 2423 cookie->new_state = DO_SEARCH; 2424 break; 2425 case NEXT_PAGE: 2426 rc = setup_simplepg_params(cookie); 2427 if (rc != LDAP_SUCCESS) { 2428 cookie->err_rc = rc; 2429 cookie->new_state = LDAP_ERROR; 2430 break; 2431 } 2432 cookie->next_state = MULTI_RESULT; 2433 cookie->new_state = DO_SEARCH; 2434 break; 2435 case ONE_SEARCH: 2436 cookie->next_state = NEXT_RESULT; 2437 cookie->new_state = DO_SEARCH; 2438 break; 2439 case DO_SEARCH: 2440 cookie->entryCount = 0; 2441 rc = ldap_search_ext(cookie->conn->ld, 2442 cookie->basedn, 2443 cookie->scope, 2444 cookie->filter, 2445 cookie->attribute, 2446 0, 2447 cookie->p_serverctrls, 2448 NULL, 2449 &cookie->search_timeout, 0, 2450 &cookie->msgId); 2451 if (rc != LDAP_SUCCESS) { 2452 if (rc == LDAP_BUSY || 2453 rc == LDAP_UNAVAILABLE || 2454 rc == LDAP_UNWILLING_TO_PERFORM || 2455 rc == LDAP_CONNECT_ERROR || 2456 rc == LDAP_SERVER_DOWN) { 2457 2458 if (cookie->reinit_on_retriable_err) { 2459 cookie->err_rc = rc; 2460 cookie->new_state = REINIT; 2461 } else 2462 cookie->new_state = 2463 NEXT_SESSION; 2464 2465 /* 2466 * If not able to reach the 2467 * server, inform the ldap 2468 * cache manager that the 2469 * server should be removed 2470 * from it's server list. 2471 * Thus, the manager will not 2472 * return this server on the next 2473 * get-server request and will 2474 * also reduce the server list 2475 * refresh TTL, so that it will 2476 * find out sooner when the server 2477 * is up again. 2478 */ 2479 if ((rc == LDAP_CONNECT_ERROR || 2480 rc == LDAP_SERVER_DOWN) && 2481 (cookie->conn_user == NULL || 2482 cookie->conn_user->conn_mt == 2483 NULL)) { 2484 ret = __s_api_removeServer( 2485 cookie->conn->serverAddr); 2486 if (ret == NS_CACHE_NOSERVER && 2487 cookie->conn_auth_type 2488 == NS_LDAP_AUTH_NONE) { 2489 /* 2490 * Couldn't remove 2491 * server from server 2492 * list. 2493 * Exit to avoid 2494 * potential infinite 2495 * loop. 2496 */ 2497 cookie->err_rc = rc; 2498 cookie->new_state = 2499 LDAP_ERROR; 2500 } 2501 if (cookie->connectionId > -1) { 2502 /* 2503 * NS_LDAP_NEW_CONN 2504 * indicates that the 2505 * connection should 2506 * be deleted, not 2507 * kept alive 2508 */ 2509 DropConnection( 2510 cookie-> 2511 connectionId, 2512 NS_LDAP_NEW_CONN); 2513 cookie->connectionId = 2514 -1; 2515 } 2516 } else if ((rc == LDAP_CONNECT_ERROR || 2517 rc == LDAP_SERVER_DOWN) && 2518 cookie->conn_user != NULL) { 2519 if (cookie-> 2520 reinit_on_retriable_err) { 2521 /* 2522 * MT connection not 2523 * usable, close it 2524 * before REINIT. 2525 * rc has already 2526 * been saved in 2527 * cookie->err_rc above. 2528 */ 2529 __s_api_conn_mt_close( 2530 cookie->conn_user, 2531 rc, 2532 &cookie->errorp); 2533 } else { 2534 /* 2535 * MT connection not 2536 * usable, close it in 2537 * the LDAP_ERROR state. 2538 * A retry will be done 2539 * next if allowed. 2540 */ 2541 cookie->err_rc = rc; 2542 cookie->new_state = 2543 LDAP_ERROR; 2544 } 2545 } 2546 break; 2547 } 2548 cookie->err_rc = rc; 2549 cookie->new_state = LDAP_ERROR; 2550 break; 2551 } 2552 cookie->new_state = cookie->next_state; 2553 break; 2554 case NEXT_RESULT: 2555 /* 2556 * Caller (e.g. __ns_ldap_list_batch_add) 2557 * does not want to block on ldap_result(). 2558 * Therefore we execute ldap_result() with 2559 * a zeroed timeval. 2560 */ 2561 if (cookie->no_wait == B_TRUE) 2562 (void) memset(&tv, 0, sizeof (tv)); 2563 else 2564 tv = cookie->search_timeout; 2565 rc = ldap_result(cookie->conn->ld, cookie->msgId, 2566 LDAP_MSG_ONE, 2567 &tv, 2568 &cookie->resultMsg); 2569 if (rc == LDAP_RES_SEARCH_RESULT) { 2570 cookie->new_state = END_RESULT; 2571 /* check and process referrals info */ 2572 if (cookie->followRef) 2573 proc_result_referrals( 2574 cookie); 2575 (void) ldap_msgfree(cookie->resultMsg); 2576 cookie->resultMsg = NULL; 2577 break; 2578 } 2579 /* handle referrals if necessary */ 2580 if (rc == LDAP_RES_SEARCH_REFERENCE) { 2581 if (cookie->followRef) 2582 proc_search_references(cookie); 2583 (void) ldap_msgfree(cookie->resultMsg); 2584 cookie->resultMsg = NULL; 2585 break; 2586 } 2587 if (rc != LDAP_RES_SEARCH_ENTRY) { 2588 switch (rc) { 2589 case 0: 2590 if (cookie->no_wait == B_TRUE) { 2591 (void) ldap_msgfree( 2592 cookie->resultMsg); 2593 cookie->resultMsg = NULL; 2594 return (cookie->new_state); 2595 } 2596 rc = LDAP_TIMEOUT; 2597 break; 2598 case -1: 2599 rc = ldap_get_lderrno(cookie->conn->ld, 2600 NULL, NULL); 2601 break; 2602 default: 2603 rc = ldap_result2error(cookie->conn->ld, 2604 cookie->resultMsg, 1); 2605 break; 2606 } 2607 if ((rc == LDAP_TIMEOUT || 2608 rc == LDAP_SERVER_DOWN) && 2609 (cookie->conn_user == NULL || 2610 cookie->conn_user->conn_mt == NULL)) { 2611 if (rc == LDAP_TIMEOUT) 2612 (void) __s_api_removeServer( 2613 cookie->conn->serverAddr); 2614 if (cookie->connectionId > -1) { 2615 DropConnection( 2616 cookie->connectionId, 2617 NS_LDAP_NEW_CONN); 2618 cookie->connectionId = -1; 2619 } 2620 cookie->err_from_result = 1; 2621 } 2622 (void) ldap_msgfree(cookie->resultMsg); 2623 cookie->resultMsg = NULL; 2624 if (rc == LDAP_BUSY || 2625 rc == LDAP_UNAVAILABLE || 2626 rc == LDAP_UNWILLING_TO_PERFORM) { 2627 if (cookie->reinit_on_retriable_err) { 2628 cookie->err_rc = rc; 2629 cookie->err_from_result = 1; 2630 cookie->new_state = REINIT; 2631 } else 2632 cookie->new_state = 2633 NEXT_SESSION; 2634 break; 2635 } 2636 if ((rc == LDAP_CONNECT_ERROR || 2637 rc == LDAP_SERVER_DOWN) && 2638 cookie->reinit_on_retriable_err) { 2639 ns_ldap_error_t *errorp = NULL; 2640 cookie->err_rc = rc; 2641 cookie->err_from_result = 1; 2642 cookie->new_state = REINIT; 2643 if (cookie->conn_user != NULL) 2644 __s_api_conn_mt_close( 2645 cookie->conn_user, 2646 rc, &errorp); 2647 if (errorp != NULL) { 2648 (void) __ns_ldap_freeError( 2649 &cookie->errorp); 2650 cookie->errorp = errorp; 2651 } 2652 break; 2653 } 2654 cookie->err_rc = rc; 2655 cookie->new_state = LDAP_ERROR; 2656 break; 2657 } 2658 /* else LDAP_RES_SEARCH_ENTRY */ 2659 /* get account management response control */ 2660 if (cookie->nopasswd_acct_mgmt == 1) { 2661 rc = ldap_get_entry_controls(cookie->conn->ld, 2662 cookie->resultMsg, 2663 &(cookie->resultctrl)); 2664 if (rc != LDAP_SUCCESS) { 2665 cookie->new_state = LDAP_ERROR; 2666 cookie->err_rc = rc; 2667 break; 2668 } 2669 } 2670 rc = __s_api_getEntry(cookie); 2671 (void) ldap_msgfree(cookie->resultMsg); 2672 cookie->resultMsg = NULL; 2673 if (rc != NS_LDAP_SUCCESS) { 2674 cookie->new_state = LDAP_ERROR; 2675 break; 2676 } 2677 cookie->new_state = PROCESS_RESULT; 2678 cookie->next_state = NEXT_RESULT; 2679 break; 2680 case MULTI_RESULT: 2681 if (cookie->no_wait == B_TRUE) 2682 (void) memset(&tv, 0, sizeof (tv)); 2683 else 2684 tv = cookie->search_timeout; 2685 rc = ldap_result(cookie->conn->ld, cookie->msgId, 2686 LDAP_MSG_ONE, 2687 &tv, 2688 &cookie->resultMsg); 2689 if (rc == LDAP_RES_SEARCH_RESULT) { 2690 rc = ldap_result2error(cookie->conn->ld, 2691 cookie->resultMsg, 0); 2692 if (rc == LDAP_ADMINLIMIT_EXCEEDED && 2693 cookie->listType == VLVCTRLFLAG && 2694 cookie->sortTypeTry == SSS_SINGLE_ATTR) { 2695 /* Try old "cn uid" server side sort */ 2696 cookie->sortTypeTry = SSS_CN_UID_ATTRS; 2697 cookie->new_state = NEXT_VLV; 2698 (void) ldap_msgfree(cookie->resultMsg); 2699 cookie->resultMsg = NULL; 2700 break; 2701 } 2702 if (rc != LDAP_SUCCESS) { 2703 cookie->err_rc = rc; 2704 cookie->new_state = LDAP_ERROR; 2705 (void) ldap_msgfree(cookie->resultMsg); 2706 cookie->resultMsg = NULL; 2707 break; 2708 } 2709 cookie->new_state = multi_result(cookie); 2710 (void) ldap_msgfree(cookie->resultMsg); 2711 cookie->resultMsg = NULL; 2712 break; 2713 } 2714 /* handle referrals if necessary */ 2715 if (rc == LDAP_RES_SEARCH_REFERENCE && 2716 cookie->followRef) { 2717 proc_search_references(cookie); 2718 (void) ldap_msgfree(cookie->resultMsg); 2719 cookie->resultMsg = NULL; 2720 break; 2721 } 2722 if (rc != LDAP_RES_SEARCH_ENTRY) { 2723 switch (rc) { 2724 case 0: 2725 if (cookie->no_wait == B_TRUE) { 2726 (void) ldap_msgfree( 2727 cookie->resultMsg); 2728 cookie->resultMsg = NULL; 2729 return (cookie->new_state); 2730 } 2731 rc = LDAP_TIMEOUT; 2732 break; 2733 case -1: 2734 rc = ldap_get_lderrno(cookie->conn->ld, 2735 NULL, NULL); 2736 break; 2737 default: 2738 rc = ldap_result2error(cookie->conn->ld, 2739 cookie->resultMsg, 1); 2740 break; 2741 } 2742 if ((rc == LDAP_TIMEOUT || 2743 rc == LDAP_SERVER_DOWN) && 2744 (cookie->conn_user == NULL || 2745 cookie->conn_user->conn_mt == NULL)) { 2746 if (rc == LDAP_TIMEOUT) 2747 (void) __s_api_removeServer( 2748 cookie->conn->serverAddr); 2749 if (cookie->connectionId > -1) { 2750 DropConnection( 2751 cookie->connectionId, 2752 NS_LDAP_NEW_CONN); 2753 cookie->connectionId = -1; 2754 } 2755 cookie->err_from_result = 1; 2756 } 2757 (void) ldap_msgfree(cookie->resultMsg); 2758 cookie->resultMsg = NULL; 2759 if (rc == LDAP_BUSY || 2760 rc == LDAP_UNAVAILABLE || 2761 rc == LDAP_UNWILLING_TO_PERFORM) { 2762 if (cookie->reinit_on_retriable_err) { 2763 cookie->err_rc = rc; 2764 cookie->err_from_result = 1; 2765 cookie->new_state = REINIT; 2766 } else 2767 cookie->new_state = 2768 NEXT_SESSION; 2769 break; 2770 } 2771 2772 if ((rc == LDAP_CONNECT_ERROR || 2773 rc == LDAP_SERVER_DOWN) && 2774 cookie->reinit_on_retriable_err) { 2775 ns_ldap_error_t *errorp = NULL; 2776 cookie->err_rc = rc; 2777 cookie->err_from_result = 1; 2778 cookie->new_state = REINIT; 2779 if (cookie->conn_user != NULL) 2780 __s_api_conn_mt_close( 2781 cookie->conn_user, 2782 rc, &errorp); 2783 if (errorp != NULL) { 2784 (void) __ns_ldap_freeError( 2785 &cookie->errorp); 2786 cookie->errorp = errorp; 2787 } 2788 break; 2789 } 2790 cookie->err_rc = rc; 2791 cookie->new_state = LDAP_ERROR; 2792 break; 2793 } 2794 /* else LDAP_RES_SEARCH_ENTRY */ 2795 cookie->entryCount++; 2796 rc = __s_api_getEntry(cookie); 2797 (void) ldap_msgfree(cookie->resultMsg); 2798 cookie->resultMsg = NULL; 2799 if (rc != NS_LDAP_SUCCESS) { 2800 cookie->new_state = LDAP_ERROR; 2801 break; 2802 } 2803 /* 2804 * If VLV search was successfull save the server 2805 * side sort type tried. 2806 */ 2807 if (cookie->listType == VLVCTRLFLAG) 2808 update_srvsidesort_type(cookie->service, 2809 cookie->sortTypeTry); 2810 2811 cookie->new_state = PROCESS_RESULT; 2812 cookie->next_state = MULTI_RESULT; 2813 break; 2814 case PROCESS_RESULT: 2815 /* NOTE THIS STATE MAY BE PROCESSED BY CALLER */ 2816 if (cookie->use_usercb && cookie->callback) { 2817 rc = 0; 2818 for (nextEntry = cookie->result->entry; 2819 nextEntry != NULL; 2820 nextEntry = nextEntry->next) { 2821 rc = (*cookie->callback)(nextEntry, 2822 cookie->userdata); 2823 2824 if (rc == NS_LDAP_CB_DONE) { 2825 /* cb doesn't want any more data */ 2826 rc = NS_LDAP_PARTIAL; 2827 cookie->err_rc = rc; 2828 break; 2829 } else if (rc != NS_LDAP_CB_NEXT) { 2830 /* invalid return code */ 2831 rc = NS_LDAP_OP_FAILED; 2832 cookie->err_rc = rc; 2833 break; 2834 } 2835 } 2836 (void) __ns_ldap_freeResult(&cookie->result); 2837 cookie->result = NULL; 2838 } 2839 if (rc != 0) { 2840 cookie->new_state = EXIT; 2841 break; 2842 } 2843 /* NOTE PREVIOUS STATE SPECIFIES NEXT STATE */ 2844 cookie->new_state = cookie->next_state; 2845 break; 2846 case END_PROCESS_RESULT: 2847 cookie->new_state = cookie->next_state; 2848 break; 2849 case END_RESULT: 2850 /* 2851 * XXX DO WE NEED THIS CASE? 2852 * if (search is complete) { 2853 * cookie->new_state = EXIT; 2854 * } else 2855 */ 2856 /* 2857 * entering referral mode if necessary 2858 */ 2859 if (cookie->followRef && cookie->reflist) 2860 cookie->new_state = 2861 NEXT_REFERRAL; 2862 else 2863 cookie->new_state = 2864 NEXT_SEARCH_DESCRIPTOR; 2865 break; 2866 case NEXT_REFERRAL: 2867 /* get next referral info */ 2868 if (cookie->refpos == NULL) 2869 cookie->refpos = 2870 cookie->reflist; 2871 else 2872 cookie->refpos = 2873 cookie->refpos->next; 2874 /* check see if done with all referrals */ 2875 if (cookie->refpos != NULL) 2876 cookie->new_state = 2877 GET_REFERRAL_SESSION; 2878 else { 2879 __s_api_deleteRefInfo(cookie->reflist); 2880 cookie->reflist = NULL; 2881 cookie->new_state = 2882 NEXT_SEARCH_DESCRIPTOR; 2883 if (cookie->conn_user != NULL) 2884 cookie->conn_user->referral = B_FALSE; 2885 } 2886 break; 2887 case GET_REFERRAL_SESSION: 2888 if (get_referral_session(cookie) < 0) 2889 cookie->new_state = EXIT; 2890 else { 2891 cookie->new_state = NEXT_SEARCH; 2892 } 2893 break; 2894 case LDAP_ERROR: 2895 rc_save = cookie->err_rc; 2896 if (cookie->err_from_result) { 2897 if (cookie->err_rc == LDAP_SERVER_DOWN) { 2898 (void) sprintf(errstr, 2899 gettext("LDAP ERROR (%d): " 2900 "Error occurred during" 2901 " receiving results. " 2902 "Connection to server lost."), 2903 cookie->err_rc); 2904 } else if (cookie->err_rc == LDAP_TIMEOUT) { 2905 (void) sprintf(errstr, 2906 gettext("LDAP ERROR (%d): " 2907 "Error occurred during" 2908 " receiving results. %s" 2909 "."), cookie->err_rc, 2910 ldap_err2string( 2911 cookie->err_rc)); 2912 } 2913 } else 2914 (void) sprintf(errstr, 2915 gettext("LDAP ERROR (%d): %s."), 2916 cookie->err_rc, 2917 ldap_err2string(cookie->err_rc)); 2918 err = strdup(errstr); 2919 if (cookie->err_from_result) { 2920 if (cookie->err_rc == LDAP_SERVER_DOWN) { 2921 MKERROR(LOG_INFO, *errorp, 2922 cookie->err_rc, err, NULL); 2923 } else { 2924 MKERROR(LOG_WARNING, *errorp, 2925 cookie->err_rc, err, NULL); 2926 } 2927 } else { 2928 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, 2929 err, NULL); 2930 } 2931 cookie->err_rc = NS_LDAP_INTERNAL; 2932 cookie->errorp = *errorp; 2933 if (cookie->conn_user != NULL) { 2934 if (rc_save == LDAP_SERVER_DOWN || 2935 rc_save == LDAP_CONNECT_ERROR) { 2936 /* 2937 * MT connection is not usable, 2938 * close it. 2939 */ 2940 __s_api_conn_mt_close(cookie->conn_user, 2941 rc_save, &cookie->errorp); 2942 return (ERROR); 2943 } 2944 } 2945 return (ERROR); 2946 default: 2947 case ERROR: 2948 (void) sprintf(errstr, 2949 gettext("Internal State machine exit (%d).\n"), 2950 cookie->state); 2951 err = strdup(errstr); 2952 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, err, 2953 NULL); 2954 cookie->err_rc = NS_LDAP_INTERNAL; 2955 cookie->errorp = *errorp; 2956 return (ERROR); 2957 } 2958 2959 if (cookie->conn_user != NULL && 2960 cookie->conn_user->bad_mt_conn == B_TRUE) { 2961 __s_api_conn_mt_close(cookie->conn_user, 0, NULL); 2962 cookie->err_rc = cookie->conn_user->ns_rc; 2963 cookie->errorp = cookie->conn_user->ns_error; 2964 cookie->conn_user->ns_error = NULL; 2965 return (ERROR); 2966 } 2967 2968 if (cycle == ONE_STEP) { 2969 return (cookie->new_state); 2970 } 2971 cookie->state = cookie->new_state; 2972 } 2973 /*NOTREACHED*/ 2974 #if 0 2975 (void) sprintf(errstr, 2976 gettext("Unexpected State machine error.\n")); 2977 err = strdup(errstr); 2978 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, err, NULL); 2979 cookie->err_rc = NS_LDAP_INTERNAL; 2980 cookie->errorp = *errorp; 2981 return (ERROR); 2982 #endif 2983 } 2984 2985 /* 2986 * For a lookup of shadow data, if shadow update is enabled, 2987 * check the calling process' privilege to ensure it's 2988 * allowed to perform such operation. 2989 */ 2990 static int 2991 check_shadow(ns_ldap_cookie_t *cookie, const char *service) 2992 { 2993 char errstr[MAXERROR]; 2994 char *err; 2995 boolean_t priv; 2996 /* caller */ 2997 priv_set_t *ps; 2998 /* zone */ 2999 priv_set_t *zs; 3000 3001 /* 3002 * If service is "shadow", we may need 3003 * to use privilege credentials. 3004 */ 3005 if ((strcmp(service, "shadow") == 0) && 3006 __ns_ldap_is_shadow_update_enabled()) { 3007 /* 3008 * Since we release admin credentials after 3009 * connection is closed and we do not cache 3010 * them, we allow any root or all zone 3011 * privilege process to read shadow data. 3012 */ 3013 priv = (geteuid() == 0); 3014 if (!priv) { 3015 /* caller */ 3016 ps = priv_allocset(); 3017 3018 (void) getppriv(PRIV_EFFECTIVE, ps); 3019 zs = priv_str_to_set("zone", ",", NULL); 3020 priv = priv_isequalset(ps, zs); 3021 priv_freeset(ps); 3022 priv_freeset(zs); 3023 } 3024 if (!priv) { 3025 (void) sprintf(errstr, 3026 gettext("Permission denied")); 3027 err = strdup(errstr); 3028 if (err == NULL) 3029 return (NS_LDAP_MEMORY); 3030 MKERROR(LOG_INFO, cookie->errorp, NS_LDAP_INTERNAL, err, 3031 NULL); 3032 return (NS_LDAP_INTERNAL); 3033 } 3034 cookie->i_flags |= NS_LDAP_READ_SHADOW; 3035 /* 3036 * We do not want to reuse connection (hence 3037 * keep it open) with admin credentials. 3038 * If NS_LDAP_KEEP_CONN is set, reject the 3039 * request. 3040 */ 3041 if (cookie->i_flags & NS_LDAP_KEEP_CONN) 3042 return (NS_LDAP_INVALID_PARAM); 3043 cookie->i_flags |= NS_LDAP_NEW_CONN; 3044 } 3045 3046 return (NS_LDAP_SUCCESS); 3047 } 3048 3049 /* 3050 * internal function for __ns_ldap_list 3051 */ 3052 static int 3053 ldap_list( 3054 ns_ldap_list_batch_t *batch, 3055 const char *service, 3056 const char *filter, 3057 const char *sortattr, 3058 int (*init_filter_cb)(const ns_ldap_search_desc_t *desc, 3059 char **realfilter, const void *userdata), 3060 const char * const *attribute, 3061 const ns_cred_t *auth, 3062 const int flags, 3063 ns_ldap_result_t **rResult, /* return result entries */ 3064 ns_ldap_error_t **errorp, 3065 int *rcp, 3066 int (*callback)(const ns_ldap_entry_t *entry, const void *userdata), 3067 const void *userdata, ns_conn_user_t *conn_user) 3068 { 3069 ns_ldap_cookie_t *cookie; 3070 ns_ldap_search_desc_t **sdlist = NULL; 3071 ns_ldap_search_desc_t *dptr; 3072 ns_ldap_error_t *error = NULL; 3073 char **dns = NULL; 3074 int scope; 3075 int rc; 3076 int from_result; 3077 3078 *errorp = NULL; 3079 *rResult = NULL; 3080 *rcp = NS_LDAP_SUCCESS; 3081 3082 /* 3083 * Sanity check - NS_LDAP_READ_SHADOW is for our 3084 * own internal use. 3085 */ 3086 if (flags & NS_LDAP_READ_SHADOW) 3087 return (NS_LDAP_INVALID_PARAM); 3088 3089 /* Initialize State machine cookie */ 3090 cookie = init_search_state_machine(); 3091 if (cookie == NULL) { 3092 *rcp = NS_LDAP_MEMORY; 3093 return (NS_LDAP_MEMORY); 3094 } 3095 cookie->conn_user = conn_user; 3096 3097 /* see if need to follow referrals */ 3098 rc = __s_api_toFollowReferrals(flags, 3099 &cookie->followRef, errorp); 3100 if (rc != NS_LDAP_SUCCESS) { 3101 delete_search_cookie(cookie); 3102 *rcp = rc; 3103 return (rc); 3104 } 3105 3106 /* get the service descriptor - or create a default one */ 3107 rc = __s_api_get_SSD_from_SSDtoUse_service(service, 3108 &sdlist, &error); 3109 if (rc != NS_LDAP_SUCCESS) { 3110 delete_search_cookie(cookie); 3111 *errorp = error; 3112 *rcp = rc; 3113 return (rc); 3114 } 3115 3116 if (sdlist == NULL) { 3117 /* Create default service Desc */ 3118 sdlist = (ns_ldap_search_desc_t **)calloc(2, 3119 sizeof (ns_ldap_search_desc_t *)); 3120 if (sdlist == NULL) { 3121 delete_search_cookie(cookie); 3122 cookie = NULL; 3123 *rcp = NS_LDAP_MEMORY; 3124 return (NS_LDAP_MEMORY); 3125 } 3126 dptr = (ns_ldap_search_desc_t *) 3127 calloc(1, sizeof (ns_ldap_search_desc_t)); 3128 if (dptr == NULL) { 3129 free(sdlist); 3130 delete_search_cookie(cookie); 3131 cookie = NULL; 3132 *rcp = NS_LDAP_MEMORY; 3133 return (NS_LDAP_MEMORY); 3134 } 3135 sdlist[0] = dptr; 3136 3137 /* default base */ 3138 rc = __s_api_getDNs(&dns, service, &cookie->errorp); 3139 if (rc != NS_LDAP_SUCCESS) { 3140 if (dns) { 3141 __s_api_free2dArray(dns); 3142 dns = NULL; 3143 } 3144 *errorp = cookie->errorp; 3145 cookie->errorp = NULL; 3146 delete_search_cookie(cookie); 3147 cookie = NULL; 3148 *rcp = rc; 3149 return (rc); 3150 } 3151 dptr->basedn = strdup(dns[0]); 3152 __s_api_free2dArray(dns); 3153 dns = NULL; 3154 3155 /* default scope */ 3156 scope = 0; 3157 rc = __s_api_getSearchScope(&scope, &cookie->errorp); 3158 dptr->scope = scope; 3159 } 3160 3161 cookie->sdlist = sdlist; 3162 3163 /* 3164 * use VLV/PAGE control only if NS_LDAP_PAGE_CTRL is set 3165 */ 3166 if (flags & NS_LDAP_PAGE_CTRL) 3167 cookie->use_paging = TRUE; 3168 else 3169 cookie->use_paging = FALSE; 3170 3171 /* Set up other arguments */ 3172 cookie->userdata = userdata; 3173 if (init_filter_cb != NULL) { 3174 cookie->init_filter_cb = init_filter_cb; 3175 cookie->use_filtercb = 1; 3176 } 3177 if (callback != NULL) { 3178 cookie->callback = callback; 3179 cookie->use_usercb = 1; 3180 } 3181 3182 /* check_shadow() may add extra value to cookie->i_flags */ 3183 cookie->i_flags = flags; 3184 if (service) { 3185 cookie->service = strdup(service); 3186 if (cookie->service == NULL) { 3187 delete_search_cookie(cookie); 3188 cookie = NULL; 3189 *rcp = NS_LDAP_MEMORY; 3190 return (NS_LDAP_MEMORY); 3191 } 3192 3193 /* 3194 * If given, use the credential given by the caller, and 3195 * skip the credential check required for shadow update. 3196 */ 3197 if (auth == NULL) { 3198 rc = check_shadow(cookie, service); 3199 if (rc != NS_LDAP_SUCCESS) { 3200 *errorp = cookie->errorp; 3201 cookie->errorp = NULL; 3202 delete_search_cookie(cookie); 3203 cookie = NULL; 3204 *rcp = rc; 3205 return (rc); 3206 } 3207 } 3208 } 3209 3210 cookie->i_filter = strdup(filter); 3211 cookie->i_attr = attribute; 3212 cookie->i_auth = auth; 3213 cookie->i_sortattr = sortattr; 3214 3215 if (batch != NULL) { 3216 cookie->batch = batch; 3217 cookie->reinit_on_retriable_err = B_TRUE; 3218 cookie->no_wait = B_TRUE; 3219 (void) search_state_machine(cookie, INIT, 0); 3220 cookie->no_wait = B_FALSE; 3221 rc = cookie->err_rc; 3222 3223 if (rc == NS_LDAP_SUCCESS) { 3224 /* 3225 * Here rc == NS_LDAP_SUCCESS means that the state 3226 * machine init'ed successfully. The actual status 3227 * of the search will be determined by 3228 * __ns_ldap_list_batch_end(). Add the cookie to our 3229 * batch. 3230 */ 3231 cookie->caller_result = rResult; 3232 cookie->caller_errorp = errorp; 3233 cookie->caller_rc = rcp; 3234 cookie->next_cookie_in_batch = batch->cookie_list; 3235 batch->cookie_list = cookie; 3236 batch->nactive++; 3237 return (rc); 3238 } 3239 /* 3240 * If state machine init failed then copy error to the caller 3241 * and delete the cookie. 3242 */ 3243 } else { 3244 (void) search_state_machine(cookie, INIT, 0); 3245 } 3246 3247 /* Copy results back to user */ 3248 rc = cookie->err_rc; 3249 if (rc != NS_LDAP_SUCCESS) { 3250 if (conn_user != NULL && conn_user->ns_error != NULL) { 3251 *errorp = conn_user->ns_error; 3252 conn_user->ns_error = NULL; 3253 } else 3254 *errorp = cookie->errorp; 3255 } 3256 *rResult = cookie->result; 3257 from_result = cookie->err_from_result; 3258 3259 cookie->errorp = NULL; 3260 cookie->result = NULL; 3261 delete_search_cookie(cookie); 3262 cookie = NULL; 3263 3264 if (from_result == 0 && *rResult == NULL) 3265 rc = NS_LDAP_NOTFOUND; 3266 *rcp = rc; 3267 return (rc); 3268 } 3269 3270 3271 /* 3272 * __ns_ldap_list performs one or more LDAP searches to a given 3273 * directory server using service search descriptors and schema 3274 * mapping as appropriate. The operation may be retried a 3275 * couple of times in error situations. 3276 */ 3277 int 3278 __ns_ldap_list( 3279 const char *service, 3280 const char *filter, 3281 int (*init_filter_cb)(const ns_ldap_search_desc_t *desc, 3282 char **realfilter, const void *userdata), 3283 const char * const *attribute, 3284 const ns_cred_t *auth, 3285 const int flags, 3286 ns_ldap_result_t **rResult, /* return result entries */ 3287 ns_ldap_error_t **errorp, 3288 int (*callback)(const ns_ldap_entry_t *entry, const void *userdata), 3289 const void *userdata) 3290 { 3291 int mod_flags; 3292 /* 3293 * Strip the NS_LDAP_PAGE_CTRL option as this interface does not 3294 * support this. If you want to use this option call the API 3295 * __ns_ldap_list_sort() with has the sort attribute. 3296 */ 3297 mod_flags = flags & (~NS_LDAP_PAGE_CTRL); 3298 3299 return (__ns_ldap_list_sort(service, filter, NULL, init_filter_cb, 3300 attribute, auth, mod_flags, rResult, errorp, 3301 callback, userdata)); 3302 } 3303 3304 /* 3305 * __ns_ldap_list_sort performs one or more LDAP searches to a given 3306 * directory server using service search descriptors and schema 3307 * mapping as appropriate. The operation may be retried a 3308 * couple of times in error situations. 3309 */ 3310 int 3311 __ns_ldap_list_sort( 3312 const char *service, 3313 const char *filter, 3314 const char *sortattr, 3315 int (*init_filter_cb)(const ns_ldap_search_desc_t *desc, 3316 char **realfilter, const void *userdata), 3317 const char * const *attribute, 3318 const ns_cred_t *auth, 3319 const int flags, 3320 ns_ldap_result_t **rResult, /* return result entries */ 3321 ns_ldap_error_t **errorp, 3322 int (*callback)(const ns_ldap_entry_t *entry, const void *userdata), 3323 const void *userdata) 3324 { 3325 ns_conn_user_t *cu = NULL; 3326 int try_cnt = 0; 3327 int rc = NS_LDAP_SUCCESS, trc; 3328 3329 for (;;) { 3330 if (__s_api_setup_retry_search(&cu, NS_CONN_USER_SEARCH, 3331 &try_cnt, &rc, errorp) == 0) 3332 break; 3333 rc = ldap_list(NULL, service, filter, sortattr, init_filter_cb, 3334 attribute, auth, flags, rResult, errorp, &trc, callback, 3335 userdata, cu); 3336 } 3337 3338 return (rc); 3339 } 3340 3341 /* 3342 * Create and initialize batch for native LDAP lookups 3343 */ 3344 int 3345 __ns_ldap_list_batch_start(ns_ldap_list_batch_t **batch) 3346 { 3347 *batch = calloc(1, sizeof (ns_ldap_list_batch_t)); 3348 if (*batch == NULL) 3349 return (NS_LDAP_MEMORY); 3350 return (NS_LDAP_SUCCESS); 3351 } 3352 3353 3354 /* 3355 * Add a LDAP search request to the batch. 3356 */ 3357 int 3358 __ns_ldap_list_batch_add( 3359 ns_ldap_list_batch_t *batch, 3360 const char *service, 3361 const char *filter, 3362 int (*init_filter_cb)(const ns_ldap_search_desc_t *desc, 3363 char **realfilter, const void *userdata), 3364 const char * const *attribute, 3365 const ns_cred_t *auth, 3366 const int flags, 3367 ns_ldap_result_t **rResult, /* return result entries */ 3368 ns_ldap_error_t **errorp, 3369 int *rcp, 3370 int (*callback)(const ns_ldap_entry_t *entry, const void *userdata), 3371 const void *userdata) 3372 { 3373 ns_conn_user_t *cu; 3374 int rc; 3375 int mod_flags; 3376 3377 cu = __s_api_conn_user_init(NS_CONN_USER_SEARCH, NULL, 0); 3378 if (cu == NULL) { 3379 if (rcp != NULL) 3380 *rcp = NS_LDAP_MEMORY; 3381 return (NS_LDAP_MEMORY); 3382 } 3383 3384 /* 3385 * Strip the NS_LDAP_PAGE_CTRL option as the batch interface does not 3386 * support this. 3387 */ 3388 mod_flags = flags & (~NS_LDAP_PAGE_CTRL); 3389 3390 rc = ldap_list(batch, service, filter, NULL, init_filter_cb, attribute, 3391 auth, mod_flags, rResult, errorp, rcp, callback, userdata, cu); 3392 3393 /* 3394 * Free the conn_user if the cookie was not batched. If the cookie 3395 * was batched then __ns_ldap_list_batch_end or release will free the 3396 * conn_user. The batch API instructs the search_state_machine 3397 * to reinit and retry (max 3 times) on retriable LDAP errors. 3398 */ 3399 if (rc != NS_LDAP_SUCCESS && cu != NULL) { 3400 if (cu->conn_mt != NULL) 3401 __s_api_conn_mt_return(cu); 3402 __s_api_conn_user_free(cu); 3403 } 3404 return (rc); 3405 } 3406 3407 3408 /* 3409 * Free batch. 3410 */ 3411 void 3412 __ns_ldap_list_batch_release(ns_ldap_list_batch_t *batch) 3413 { 3414 ns_ldap_cookie_t *c, *next; 3415 3416 for (c = batch->cookie_list; c != NULL; c = next) { 3417 next = c->next_cookie_in_batch; 3418 if (c->conn_user != NULL) { 3419 if (c->conn_user->conn_mt != NULL) 3420 __s_api_conn_mt_return(c->conn_user); 3421 __s_api_conn_user_free(c->conn_user); 3422 c->conn_user = NULL; 3423 } 3424 delete_search_cookie(c); 3425 } 3426 free(batch); 3427 } 3428 3429 #define LD_USING_STATE(st) \ 3430 ((st == DO_SEARCH) || (st == MULTI_RESULT) || (st == NEXT_RESULT)) 3431 3432 /* 3433 * Process batch. Everytime this function is called it selects an 3434 * active cookie from the batch and single steps through the 3435 * search_state_machine for the selected cookie. If lookup associated 3436 * with the cookie is complete (success or error) then the cookie is 3437 * removed from the batch and its memory freed. 3438 * 3439 * Returns 1 (if batch still has active cookies) 3440 * 0 (if batch has no more active cookies) 3441 * -1 (on errors, *rcp will contain the error code) 3442 * 3443 * The caller should call this function in a loop as long as it returns 1 3444 * to process all the requests added to the batch. The results (and errors) 3445 * will be available in the locations provided by the caller at the time of 3446 * __ns_ldap_list_batch_add(). 3447 */ 3448 static 3449 int 3450 __ns_ldap_list_batch_process(ns_ldap_list_batch_t *batch, int *rcp) 3451 { 3452 ns_ldap_cookie_t *c, *ptr, **prev; 3453 ns_state_t state; 3454 ns_ldap_error_t *errorp = NULL; 3455 int rc; 3456 3457 /* Check if are already done */ 3458 if (batch->nactive == 0) 3459 return (0); 3460 3461 /* Get the next cookie from the batch */ 3462 c = (batch->next_cookie == NULL) ? 3463 batch->cookie_list : batch->next_cookie; 3464 3465 batch->next_cookie = c->next_cookie_in_batch; 3466 3467 /* 3468 * Checks the status of the cookie's connection if it needs 3469 * to use that connection for ldap_search_ext or ldap_result. 3470 * If the connection is no longer good but worth retrying 3471 * then reinit the search_state_machine for this cookie 3472 * starting from the first search descriptor. REINIT will 3473 * clear any leftover results if max retries have not been 3474 * reached and redo the search (which may also involve 3475 * following referrals again). 3476 * 3477 * Note that each cookie in the batch will make this 3478 * determination when it reaches one of the LD_USING_STATES. 3479 */ 3480 if (LD_USING_STATE(c->new_state) && c->conn_user != NULL) { 3481 rc = __s_api_setup_getnext(c->conn_user, &c->err_rc, &errorp); 3482 if (rc == LDAP_BUSY || rc == LDAP_UNAVAILABLE || 3483 rc == LDAP_UNWILLING_TO_PERFORM) { 3484 if (errorp != NULL) { 3485 (void) __ns_ldap_freeError(&c->errorp); 3486 c->errorp = errorp; 3487 } 3488 c->new_state = REINIT; 3489 } else if (rc == LDAP_CONNECT_ERROR || 3490 rc == LDAP_SERVER_DOWN) { 3491 if (errorp != NULL) { 3492 (void) __ns_ldap_freeError(&c->errorp); 3493 c->errorp = errorp; 3494 } 3495 c->new_state = REINIT; 3496 /* 3497 * MT connection is not usable, 3498 * close it before REINIT. 3499 */ 3500 __s_api_conn_mt_close( 3501 c->conn_user, rc, NULL); 3502 } else if (rc != NS_LDAP_SUCCESS) { 3503 if (rcp != NULL) 3504 *rcp = rc; 3505 *c->caller_result = NULL; 3506 *c->caller_errorp = errorp; 3507 *c->caller_rc = rc; 3508 return (-1); 3509 } 3510 } 3511 3512 for (;;) { 3513 /* Single step through the search_state_machine */ 3514 state = search_state_machine(c, c->new_state, ONE_STEP); 3515 switch (state) { 3516 case LDAP_ERROR: 3517 (void) search_state_machine(c, state, ONE_STEP); 3518 (void) search_state_machine(c, CLEAR_RESULTS, ONE_STEP); 3519 /* FALLTHROUGH */ 3520 case ERROR: 3521 case EXIT: 3522 *c->caller_result = c->result; 3523 *c->caller_errorp = c->errorp; 3524 *c->caller_rc = 3525 (c->result == NULL && c->err_from_result == 0) 3526 ? NS_LDAP_NOTFOUND : c->err_rc; 3527 c->result = NULL; 3528 c->errorp = NULL; 3529 /* Remove the cookie from the batch */ 3530 ptr = batch->cookie_list; 3531 prev = &batch->cookie_list; 3532 while (ptr != NULL) { 3533 if (ptr == c) { 3534 *prev = ptr->next_cookie_in_batch; 3535 break; 3536 } 3537 prev = &ptr->next_cookie_in_batch; 3538 ptr = ptr->next_cookie_in_batch; 3539 } 3540 /* Delete cookie and decrement active cookie count */ 3541 if (c->conn_user != NULL) { 3542 if (c->conn_user->conn_mt != NULL) 3543 __s_api_conn_mt_return(c->conn_user); 3544 __s_api_conn_user_free(c->conn_user); 3545 c->conn_user = NULL; 3546 } 3547 delete_search_cookie(c); 3548 batch->nactive--; 3549 break; 3550 case NEXT_RESULT: 3551 case MULTI_RESULT: 3552 /* 3553 * This means that search_state_machine needs to do 3554 * another ldap_result() for the cookie in question. 3555 * We only do at most one ldap_result() per call in 3556 * this function and therefore we return. This allows 3557 * the caller to process results from other cookies 3558 * in the batch without getting tied up on just one 3559 * cookie. 3560 */ 3561 break; 3562 default: 3563 /* 3564 * This includes states that follow NEXT_RESULT or 3565 * MULTI_RESULT such as PROCESS_RESULT and 3566 * END_PROCESS_RESULT. We continue processing 3567 * this cookie till we reach either the error, exit 3568 * or the result states. 3569 */ 3570 continue; 3571 } 3572 break; 3573 } 3574 3575 /* Return 0 if no more cookies left otherwise 1 */ 3576 return ((batch->nactive > 0) ? 1 : 0); 3577 } 3578 3579 3580 /* 3581 * Process all the active cookies in the batch and when none 3582 * remains finalize the batch. 3583 */ 3584 int 3585 __ns_ldap_list_batch_end(ns_ldap_list_batch_t *batch) 3586 { 3587 int rc = NS_LDAP_SUCCESS; 3588 while (__ns_ldap_list_batch_process(batch, &rc) > 0) 3589 ; 3590 __ns_ldap_list_batch_release(batch); 3591 return (rc); 3592 } 3593 3594 /* 3595 * find_domainname performs one or more LDAP searches to 3596 * find the value of the nisdomain attribute associated with 3597 * the input DN (with no retry). 3598 */ 3599 3600 static int 3601 find_domainname(const char *dn, char **domainname, const ns_cred_t *cred, 3602 ns_ldap_error_t **errorp, ns_conn_user_t *conn_user) 3603 { 3604 3605 ns_ldap_cookie_t *cookie; 3606 ns_ldap_search_desc_t **sdlist; 3607 ns_ldap_search_desc_t *dptr; 3608 int rc; 3609 char **value; 3610 int flags = 0; 3611 3612 *domainname = NULL; 3613 *errorp = NULL; 3614 3615 /* Initialize State machine cookie */ 3616 cookie = init_search_state_machine(); 3617 if (cookie == NULL) { 3618 return (NS_LDAP_MEMORY); 3619 } 3620 cookie->conn_user = conn_user; 3621 3622 /* see if need to follow referrals */ 3623 rc = __s_api_toFollowReferrals(flags, 3624 &cookie->followRef, errorp); 3625 if (rc != NS_LDAP_SUCCESS) { 3626 delete_search_cookie(cookie); 3627 return (rc); 3628 } 3629 3630 /* Create default service Desc */ 3631 sdlist = (ns_ldap_search_desc_t **)calloc(2, 3632 sizeof (ns_ldap_search_desc_t *)); 3633 if (sdlist == NULL) { 3634 delete_search_cookie(cookie); 3635 cookie = NULL; 3636 return (NS_LDAP_MEMORY); 3637 } 3638 dptr = (ns_ldap_search_desc_t *) 3639 calloc(1, sizeof (ns_ldap_search_desc_t)); 3640 if (dptr == NULL) { 3641 free(sdlist); 3642 delete_search_cookie(cookie); 3643 cookie = NULL; 3644 return (NS_LDAP_MEMORY); 3645 } 3646 sdlist[0] = dptr; 3647 3648 /* search base is dn */ 3649 dptr->basedn = strdup(dn); 3650 3651 /* search scope is base */ 3652 dptr->scope = NS_LDAP_SCOPE_BASE; 3653 3654 /* search filter is "nisdomain=*" */ 3655 dptr->filter = strdup(_NIS_FILTER); 3656 3657 cookie->sdlist = sdlist; 3658 cookie->i_filter = strdup(dptr->filter); 3659 cookie->i_attr = nis_domain_attrs; 3660 cookie->i_auth = cred; 3661 cookie->i_flags = 0; 3662 3663 /* Process search */ 3664 rc = search_state_machine(cookie, INIT, 0); 3665 3666 /* Copy domain name if found */ 3667 rc = cookie->err_rc; 3668 if (rc != NS_LDAP_SUCCESS) { 3669 if (conn_user != NULL && conn_user->ns_error != NULL) { 3670 *errorp = conn_user->ns_error; 3671 conn_user->ns_error = NULL; 3672 } else 3673 *errorp = cookie->errorp; 3674 } 3675 if (cookie->result == NULL) 3676 rc = NS_LDAP_NOTFOUND; 3677 if (rc == NS_LDAP_SUCCESS) { 3678 value = __ns_ldap_getAttr(cookie->result->entry, 3679 _NIS_DOMAIN); 3680 if (value[0]) 3681 *domainname = strdup(value[0]); 3682 else 3683 rc = NS_LDAP_NOTFOUND; 3684 } 3685 if (cookie->result != NULL) 3686 (void) __ns_ldap_freeResult(&cookie->result); 3687 cookie->errorp = NULL; 3688 delete_search_cookie(cookie); 3689 cookie = NULL; 3690 return (rc); 3691 } 3692 3693 /* 3694 * __s_api_find_domainname performs one or more LDAP searches to 3695 * find the value of the nisdomain attribute associated with 3696 * the input DN (with retry). 3697 */ 3698 3699 static int 3700 __s_api_find_domainname(const char *dn, char **domainname, 3701 const ns_cred_t *cred, ns_ldap_error_t **errorp) 3702 { 3703 ns_conn_user_t *cu = NULL; 3704 int try_cnt = 0; 3705 int rc = NS_LDAP_SUCCESS; 3706 3707 for (;;) { 3708 if (__s_api_setup_retry_search(&cu, NS_CONN_USER_SEARCH, 3709 &try_cnt, &rc, errorp) == 0) 3710 break; 3711 rc = find_domainname(dn, domainname, cred, errorp, cu); 3712 } 3713 3714 return (rc); 3715 } 3716 3717 static int 3718 firstEntry( 3719 const char *service, 3720 const char *filter, 3721 const char *sortattr, 3722 int (*init_filter_cb)(const ns_ldap_search_desc_t *desc, 3723 char **realfilter, const void *userdata), 3724 const char * const *attribute, 3725 const ns_cred_t *auth, 3726 const int flags, 3727 void **vcookie, 3728 ns_ldap_result_t **result, 3729 ns_ldap_error_t ** errorp, 3730 const void *userdata, 3731 ns_conn_user_t *conn_user) 3732 { 3733 ns_ldap_cookie_t *cookie = NULL; 3734 ns_ldap_error_t *error = NULL; 3735 ns_state_t state; 3736 ns_ldap_search_desc_t **sdlist; 3737 ns_ldap_search_desc_t *dptr; 3738 char **dns = NULL; 3739 int scope; 3740 int rc; 3741 3742 *errorp = NULL; 3743 *result = NULL; 3744 3745 /* 3746 * Sanity check - NS_LDAP_READ_SHADOW is for our 3747 * own internal use. 3748 */ 3749 if (flags & NS_LDAP_READ_SHADOW) 3750 return (NS_LDAP_INVALID_PARAM); 3751 3752 /* get the service descriptor - or create a default one */ 3753 rc = __s_api_get_SSD_from_SSDtoUse_service(service, 3754 &sdlist, &error); 3755 if (rc != NS_LDAP_SUCCESS) { 3756 *errorp = error; 3757 return (rc); 3758 } 3759 if (sdlist == NULL) { 3760 /* Create default service Desc */ 3761 sdlist = (ns_ldap_search_desc_t **)calloc(2, 3762 sizeof (ns_ldap_search_desc_t *)); 3763 if (sdlist == NULL) { 3764 return (NS_LDAP_MEMORY); 3765 } 3766 dptr = (ns_ldap_search_desc_t *) 3767 calloc(1, sizeof (ns_ldap_search_desc_t)); 3768 if (dptr == NULL) { 3769 free(sdlist); 3770 return (NS_LDAP_MEMORY); 3771 } 3772 sdlist[0] = dptr; 3773 3774 /* default base */ 3775 rc = __s_api_getDNs(&dns, service, &error); 3776 if (rc != NS_LDAP_SUCCESS) { 3777 if (dns) { 3778 __s_api_free2dArray(dns); 3779 dns = NULL; 3780 } 3781 if (sdlist) { 3782 (void) __ns_ldap_freeSearchDescriptors( 3783 &sdlist); 3784 3785 sdlist = NULL; 3786 } 3787 *errorp = error; 3788 return (rc); 3789 } 3790 dptr->basedn = strdup(dns[0]); 3791 __s_api_free2dArray(dns); 3792 dns = NULL; 3793 3794 /* default scope */ 3795 scope = 0; 3796 cookie = init_search_state_machine(); 3797 if (cookie == NULL) { 3798 if (sdlist) { 3799 (void) __ns_ldap_freeSearchDescriptors(&sdlist); 3800 sdlist = NULL; 3801 } 3802 return (NS_LDAP_MEMORY); 3803 } 3804 rc = __s_api_getSearchScope(&scope, &cookie->errorp); 3805 dptr->scope = scope; 3806 } 3807 3808 /* Initialize State machine cookie */ 3809 if (cookie == NULL) 3810 cookie = init_search_state_machine(); 3811 if (cookie == NULL) { 3812 if (sdlist) { 3813 (void) __ns_ldap_freeSearchDescriptors(&sdlist); 3814 sdlist = NULL; 3815 } 3816 return (NS_LDAP_MEMORY); 3817 } 3818 3819 /* identify self as a getent user */ 3820 cookie->conn_user = conn_user; 3821 3822 cookie->sdlist = sdlist; 3823 3824 /* see if need to follow referrals */ 3825 rc = __s_api_toFollowReferrals(flags, 3826 &cookie->followRef, errorp); 3827 if (rc != NS_LDAP_SUCCESS) { 3828 delete_search_cookie(cookie); 3829 return (rc); 3830 } 3831 3832 /* 3833 * use VLV/PAGE control only if NS_LDAP_NO_PAGE_CTRL is not set 3834 */ 3835 if (flags & NS_LDAP_NO_PAGE_CTRL) 3836 cookie->use_paging = FALSE; 3837 else 3838 cookie->use_paging = TRUE; 3839 3840 /* Set up other arguments */ 3841 cookie->userdata = userdata; 3842 if (init_filter_cb != NULL) { 3843 cookie->init_filter_cb = init_filter_cb; 3844 cookie->use_filtercb = 1; 3845 } 3846 cookie->use_usercb = 0; 3847 /* check_shadow() may add extra value to cookie->i_flags */ 3848 cookie->i_flags = flags; 3849 if (service) { 3850 cookie->service = strdup(service); 3851 if (cookie->service == NULL) { 3852 delete_search_cookie(cookie); 3853 return (NS_LDAP_MEMORY); 3854 } 3855 3856 /* 3857 * If given, use the credential given by the caller, and 3858 * skip the credential check required for shadow update. 3859 */ 3860 if (auth == NULL) { 3861 rc = check_shadow(cookie, service); 3862 if (rc != NS_LDAP_SUCCESS) { 3863 *errorp = cookie->errorp; 3864 cookie->errorp = NULL; 3865 delete_search_cookie(cookie); 3866 cookie = NULL; 3867 return (rc); 3868 } 3869 } 3870 } 3871 3872 cookie->i_filter = strdup(filter); 3873 cookie->i_attr = attribute; 3874 cookie->i_sortattr = sortattr; 3875 cookie->i_auth = auth; 3876 3877 state = INIT; 3878 for (;;) { 3879 state = search_state_machine(cookie, state, ONE_STEP); 3880 switch (state) { 3881 case PROCESS_RESULT: 3882 *result = cookie->result; 3883 cookie->result = NULL; 3884 *vcookie = (void *)cookie; 3885 return (NS_LDAP_SUCCESS); 3886 case LDAP_ERROR: 3887 state = search_state_machine(cookie, state, ONE_STEP); 3888 state = search_state_machine(cookie, CLEAR_RESULTS, 3889 ONE_STEP); 3890 /* FALLTHROUGH */ 3891 case ERROR: 3892 rc = cookie->err_rc; 3893 if (conn_user != NULL && conn_user->ns_error != NULL) { 3894 *errorp = conn_user->ns_error; 3895 conn_user->ns_error = NULL; 3896 } else { 3897 *errorp = cookie->errorp; 3898 cookie->errorp = NULL; 3899 } 3900 delete_search_cookie(cookie); 3901 return (rc); 3902 case EXIT: 3903 rc = cookie->err_rc; 3904 if (rc != NS_LDAP_SUCCESS) { 3905 *errorp = cookie->errorp; 3906 cookie->errorp = NULL; 3907 } else { 3908 rc = NS_LDAP_NOTFOUND; 3909 } 3910 3911 delete_search_cookie(cookie); 3912 return (rc); 3913 3914 default: 3915 break; 3916 } 3917 } 3918 } 3919 3920 int 3921 __ns_ldap_firstEntry( 3922 const char *service, 3923 const char *filter, 3924 const char *vlv_sort, 3925 int (*init_filter_cb)(const ns_ldap_search_desc_t *desc, 3926 char **realfilter, const void *userdata), 3927 const char * const *attribute, 3928 const ns_cred_t *auth, 3929 const int flags, 3930 void **vcookie, 3931 ns_ldap_result_t **result, 3932 ns_ldap_error_t ** errorp, 3933 const void *userdata) 3934 { 3935 ns_conn_user_t *cu = NULL; 3936 int try_cnt = 0; 3937 int rc = NS_LDAP_SUCCESS; 3938 3939 for (;;) { 3940 if (__s_api_setup_retry_search(&cu, NS_CONN_USER_GETENT, 3941 &try_cnt, &rc, errorp) == 0) 3942 break; 3943 rc = firstEntry(service, filter, vlv_sort, init_filter_cb, 3944 attribute, auth, flags, vcookie, result, errorp, userdata, 3945 cu); 3946 } 3947 return (rc); 3948 } 3949 3950 /*ARGSUSED2*/ 3951 int 3952 __ns_ldap_nextEntry(void *vcookie, ns_ldap_result_t **result, 3953 ns_ldap_error_t ** errorp) 3954 { 3955 ns_ldap_cookie_t *cookie; 3956 ns_state_t state; 3957 int rc; 3958 3959 cookie = (ns_ldap_cookie_t *)vcookie; 3960 cookie->result = NULL; 3961 *result = NULL; 3962 3963 if (cookie->conn_user != NULL) { 3964 rc = __s_api_setup_getnext(cookie->conn_user, 3965 &cookie->err_rc, errorp); 3966 if (rc != NS_LDAP_SUCCESS) 3967 return (rc); 3968 } 3969 3970 state = END_PROCESS_RESULT; 3971 for (;;) { 3972 state = search_state_machine(cookie, state, ONE_STEP); 3973 switch (state) { 3974 case PROCESS_RESULT: 3975 *result = cookie->result; 3976 cookie->result = NULL; 3977 return (NS_LDAP_SUCCESS); 3978 case LDAP_ERROR: 3979 state = search_state_machine(cookie, state, ONE_STEP); 3980 state = search_state_machine(cookie, CLEAR_RESULTS, 3981 ONE_STEP); 3982 /* FALLTHROUGH */ 3983 case ERROR: 3984 rc = cookie->err_rc; 3985 *errorp = cookie->errorp; 3986 cookie->errorp = NULL; 3987 return (rc); 3988 case EXIT: 3989 return (NS_LDAP_SUCCESS); 3990 } 3991 } 3992 } 3993 3994 int 3995 __ns_ldap_endEntry( 3996 void **vcookie, 3997 ns_ldap_error_t ** errorp) 3998 { 3999 ns_ldap_cookie_t *cookie; 4000 int rc; 4001 4002 if (*vcookie == NULL) 4003 return (NS_LDAP_INVALID_PARAM); 4004 4005 cookie = (ns_ldap_cookie_t *)(*vcookie); 4006 cookie->result = NULL; 4007 4008 /* Complete search */ 4009 rc = search_state_machine(cookie, CLEAR_RESULTS, 0); 4010 4011 /* Copy results back to user */ 4012 rc = cookie->err_rc; 4013 if (rc != NS_LDAP_SUCCESS) 4014 *errorp = cookie->errorp; 4015 4016 cookie->errorp = NULL; 4017 if (cookie->conn_user != NULL) { 4018 if (cookie->conn_user->conn_mt != NULL) 4019 __s_api_conn_mt_return(cookie->conn_user); 4020 __s_api_conn_user_free(cookie->conn_user); 4021 } 4022 delete_search_cookie(cookie); 4023 cookie = NULL; 4024 *vcookie = NULL; 4025 4026 return (rc); 4027 } 4028 4029 4030 int 4031 __ns_ldap_freeResult(ns_ldap_result_t **result) 4032 { 4033 4034 ns_ldap_entry_t *curEntry = NULL; 4035 ns_ldap_entry_t *delEntry = NULL; 4036 int i; 4037 ns_ldap_result_t *res = *result; 4038 4039 #ifdef DEBUG 4040 (void) fprintf(stderr, "__ns_ldap_freeResult START\n"); 4041 #endif 4042 if (res == NULL) 4043 return (NS_LDAP_INVALID_PARAM); 4044 4045 if (res->entry != NULL) 4046 curEntry = res->entry; 4047 4048 for (i = 0; i < res->entries_count; i++) { 4049 if (curEntry != NULL) { 4050 delEntry = curEntry; 4051 curEntry = curEntry->next; 4052 __ns_ldap_freeEntry(delEntry); 4053 } 4054 } 4055 4056 free(res); 4057 *result = NULL; 4058 return (NS_LDAP_SUCCESS); 4059 } 4060 4061 /*ARGSUSED*/ 4062 int 4063 __ns_ldap_auth(const ns_cred_t *auth, 4064 const int flags, 4065 ns_ldap_error_t **errorp, 4066 LDAPControl **serverctrls, 4067 LDAPControl **clientctrls) 4068 { 4069 4070 ConnectionID connectionId = -1; 4071 Connection *conp; 4072 int rc = 0; 4073 int do_not_fail_if_new_pwd_reqd = 0; 4074 int nopasswd_acct_mgmt = 0; 4075 ns_conn_user_t *conn_user; 4076 4077 4078 #ifdef DEBUG 4079 (void) fprintf(stderr, "__ns_ldap_auth START\n"); 4080 #endif 4081 4082 *errorp = NULL; 4083 if (!auth) 4084 return (NS_LDAP_INVALID_PARAM); 4085 4086 conn_user = __s_api_conn_user_init(NS_CONN_USER_AUTH, 4087 NULL, B_FALSE); 4088 4089 rc = __s_api_getConnection(NULL, flags | NS_LDAP_NEW_CONN, 4090 auth, &connectionId, &conp, errorp, 4091 do_not_fail_if_new_pwd_reqd, nopasswd_acct_mgmt, 4092 conn_user); 4093 4094 if (conn_user != NULL) 4095 __s_api_conn_user_free(conn_user); 4096 4097 if (rc == NS_LDAP_OP_FAILED && *errorp) 4098 (void) __ns_ldap_freeError(errorp); 4099 4100 if (connectionId > -1) 4101 DropConnection(connectionId, flags); 4102 return (rc); 4103 } 4104 4105 char ** 4106 __ns_ldap_getAttr(const ns_ldap_entry_t *entry, const char *attrname) 4107 { 4108 int i; 4109 4110 if (entry == NULL) 4111 return (NULL); 4112 for (i = 0; i < entry->attr_count; i++) { 4113 if (strcasecmp(entry->attr_pair[i]->attrname, attrname) == NULL) 4114 return (entry->attr_pair[i]->attrvalue); 4115 } 4116 return (NULL); 4117 } 4118 4119 ns_ldap_attr_t * 4120 __ns_ldap_getAttrStruct(const ns_ldap_entry_t *entry, const char *attrname) 4121 { 4122 int i; 4123 4124 if (entry == NULL) 4125 return (NULL); 4126 for (i = 0; i < entry->attr_count; i++) { 4127 if (strcasecmp(entry->attr_pair[i]->attrname, attrname) == NULL) 4128 return (entry->attr_pair[i]); 4129 } 4130 return (NULL); 4131 } 4132 4133 4134 /*ARGSUSED*/ 4135 int 4136 __ns_ldap_uid2dn(const char *uid, 4137 char **userDN, 4138 const ns_cred_t *cred, /* cred is ignored */ 4139 ns_ldap_error_t **errorp) 4140 { 4141 ns_ldap_result_t *result = NULL; 4142 char *filter, *userdata; 4143 char errstr[MAXERROR]; 4144 char **value; 4145 int rc = 0; 4146 int i = 0; 4147 size_t len; 4148 4149 *errorp = NULL; 4150 *userDN = NULL; 4151 if ((uid == NULL) || (uid[0] == '\0')) 4152 return (NS_LDAP_INVALID_PARAM); 4153 4154 while (uid[i] != '\0') { 4155 if (uid[i] == '=') { 4156 *userDN = strdup(uid); 4157 return (NS_LDAP_SUCCESS); 4158 } 4159 i++; 4160 } 4161 i = 0; 4162 while ((uid[i] != '\0') && (isdigit(uid[i]))) 4163 i++; 4164 if (uid[i] == '\0') { 4165 len = strlen(UIDNUMFILTER) + strlen(uid) + 1; 4166 filter = (char *)malloc(len); 4167 if (filter == NULL) { 4168 *userDN = NULL; 4169 return (NS_LDAP_MEMORY); 4170 } 4171 (void) snprintf(filter, len, UIDNUMFILTER, uid); 4172 4173 len = strlen(UIDNUMFILTER_SSD) + strlen(uid) + 1; 4174 userdata = (char *)malloc(len); 4175 if (userdata == NULL) { 4176 *userDN = NULL; 4177 return (NS_LDAP_MEMORY); 4178 } 4179 (void) snprintf(userdata, len, UIDNUMFILTER_SSD, uid); 4180 } else { 4181 len = strlen(UIDFILTER) + strlen(uid) + 1; 4182 filter = (char *)malloc(len); 4183 if (filter == NULL) { 4184 *userDN = NULL; 4185 return (NS_LDAP_MEMORY); 4186 } 4187 (void) snprintf(filter, len, UIDFILTER, uid); 4188 4189 len = strlen(UIDFILTER_SSD) + strlen(uid) + 1; 4190 userdata = (char *)malloc(len); 4191 if (userdata == NULL) { 4192 *userDN = NULL; 4193 return (NS_LDAP_MEMORY); 4194 } 4195 (void) snprintf(userdata, len, UIDFILTER_SSD, uid); 4196 } 4197 4198 /* 4199 * we want to retrieve the DN as it appears in LDAP 4200 * hence the use of NS_LDAP_NOT_CVT_DN in flags 4201 */ 4202 rc = __ns_ldap_list("passwd", filter, 4203 __s_api_merge_SSD_filter, 4204 NULL, cred, NS_LDAP_NOT_CVT_DN, 4205 &result, errorp, NULL, 4206 userdata); 4207 free(filter); 4208 filter = NULL; 4209 free(userdata); 4210 userdata = NULL; 4211 if (rc != NS_LDAP_SUCCESS) { 4212 if (result) { 4213 (void) __ns_ldap_freeResult(&result); 4214 result = NULL; 4215 } 4216 return (rc); 4217 } 4218 if (result->entries_count > 1) { 4219 (void) __ns_ldap_freeResult(&result); 4220 result = NULL; 4221 *userDN = NULL; 4222 (void) sprintf(errstr, 4223 gettext("Too many entries are returned for %s"), uid); 4224 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, strdup(errstr), 4225 NULL); 4226 return (NS_LDAP_INTERNAL); 4227 } 4228 4229 value = __ns_ldap_getAttr(result->entry, "dn"); 4230 *userDN = strdup(value[0]); 4231 (void) __ns_ldap_freeResult(&result); 4232 result = NULL; 4233 return (NS_LDAP_SUCCESS); 4234 } 4235 4236 #define _P_UID "uid" 4237 static const char *dn2uid_attrs[] = { 4238 _P_CN, 4239 _P_UID, 4240 (char *)NULL 4241 }; 4242 4243 /*ARGSUSED*/ 4244 int 4245 __ns_ldap_dn2uid(const char *dn, 4246 char **userID, 4247 const ns_cred_t *cred, /* cred is ignored */ 4248 ns_ldap_error_t **errorp) 4249 { 4250 ns_ldap_result_t *result = NULL; 4251 char *filter, *userdata; 4252 char errstr[MAXERROR]; 4253 char **value; 4254 int rc = 0; 4255 size_t len; 4256 4257 *errorp = NULL; 4258 *userID = NULL; 4259 if ((dn == NULL) || (dn[0] == '\0')) 4260 return (NS_LDAP_INVALID_PARAM); 4261 4262 len = strlen(UIDDNFILTER) + strlen(dn) + 1; 4263 filter = (char *)malloc(len); 4264 if (filter == NULL) { 4265 return (NS_LDAP_MEMORY); 4266 } 4267 (void) snprintf(filter, len, UIDDNFILTER, dn); 4268 4269 len = strlen(UIDDNFILTER_SSD) + strlen(dn) + 1; 4270 userdata = (char *)malloc(len); 4271 if (userdata == NULL) { 4272 return (NS_LDAP_MEMORY); 4273 } 4274 (void) snprintf(userdata, len, UIDDNFILTER_SSD, dn); 4275 4276 /* 4277 * Unlike uid2dn, we DO want attribute mapping, so that 4278 * "uid" is mapped to/from samAccountName, for example. 4279 */ 4280 rc = __ns_ldap_list("passwd", filter, 4281 __s_api_merge_SSD_filter, 4282 dn2uid_attrs, cred, 0, 4283 &result, errorp, NULL, 4284 userdata); 4285 free(filter); 4286 filter = NULL; 4287 free(userdata); 4288 userdata = NULL; 4289 if (rc != NS_LDAP_SUCCESS) 4290 goto out; 4291 4292 if (result->entries_count > 1) { 4293 (void) sprintf(errstr, 4294 gettext("Too many entries are returned for %s"), dn); 4295 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, strdup(errstr), 4296 NULL); 4297 rc = NS_LDAP_INTERNAL; 4298 goto out; 4299 } 4300 4301 value = __ns_ldap_getAttr(result->entry, _P_UID); 4302 if (value == NULL || value[0] == NULL) { 4303 rc = NS_LDAP_NOTFOUND; 4304 goto out; 4305 } 4306 4307 *userID = strdup(value[0]); 4308 rc = NS_LDAP_SUCCESS; 4309 4310 out: 4311 (void) __ns_ldap_freeResult(&result); 4312 result = NULL; 4313 return (rc); 4314 } 4315 4316 /*ARGSUSED*/ 4317 int 4318 __ns_ldap_host2dn(const char *host, 4319 const char *domain, 4320 char **hostDN, 4321 const ns_cred_t *cred, /* cred is ignored */ 4322 ns_ldap_error_t **errorp) 4323 { 4324 ns_ldap_result_t *result = NULL; 4325 char *filter, *userdata; 4326 char errstr[MAXERROR]; 4327 char **value; 4328 int rc; 4329 size_t len; 4330 4331 /* 4332 * XXX 4333 * the domain parameter needs to be used in case domain is not local, if 4334 * this routine is to support multi domain setups, it needs lots of work... 4335 */ 4336 *errorp = NULL; 4337 *hostDN = NULL; 4338 if ((host == NULL) || (host[0] == '\0')) 4339 return (NS_LDAP_INVALID_PARAM); 4340 4341 len = strlen(HOSTFILTER) + strlen(host) + 1; 4342 filter = (char *)malloc(len); 4343 if (filter == NULL) { 4344 return (NS_LDAP_MEMORY); 4345 } 4346 (void) snprintf(filter, len, HOSTFILTER, host); 4347 4348 len = strlen(HOSTFILTER_SSD) + strlen(host) + 1; 4349 userdata = (char *)malloc(len); 4350 if (userdata == NULL) { 4351 return (NS_LDAP_MEMORY); 4352 } 4353 (void) snprintf(userdata, len, HOSTFILTER_SSD, host); 4354 4355 /* 4356 * we want to retrieve the DN as it appears in LDAP 4357 * hence the use of NS_LDAP_NOT_CVT_DN in flags 4358 */ 4359 rc = __ns_ldap_list("hosts", filter, 4360 __s_api_merge_SSD_filter, 4361 NULL, cred, NS_LDAP_NOT_CVT_DN, &result, 4362 errorp, NULL, 4363 userdata); 4364 free(filter); 4365 filter = NULL; 4366 free(userdata); 4367 userdata = NULL; 4368 if (rc != NS_LDAP_SUCCESS) { 4369 if (result) { 4370 (void) __ns_ldap_freeResult(&result); 4371 result = NULL; 4372 } 4373 return (rc); 4374 } 4375 4376 if (result->entries_count > 1) { 4377 (void) __ns_ldap_freeResult(&result); 4378 result = NULL; 4379 *hostDN = NULL; 4380 (void) sprintf(errstr, 4381 gettext("Too many entries are returned for %s"), host); 4382 MKERROR(LOG_WARNING, *errorp, NS_LDAP_INTERNAL, strdup(errstr), 4383 NULL); 4384 return (NS_LDAP_INTERNAL); 4385 } 4386 4387 value = __ns_ldap_getAttr(result->entry, "dn"); 4388 *hostDN = strdup(value[0]); 4389 (void) __ns_ldap_freeResult(&result); 4390 result = NULL; 4391 return (NS_LDAP_SUCCESS); 4392 } 4393 4394 /*ARGSUSED*/ 4395 int 4396 __ns_ldap_dn2domain(const char *dn, 4397 char **domain, 4398 const ns_cred_t *cred, 4399 ns_ldap_error_t **errorp) 4400 { 4401 int rc, pnum, i, j, len = 0; 4402 char *newdn, **rdns = NULL; 4403 char **dns, *dn1; 4404 4405 *errorp = NULL; 4406 4407 if (domain == NULL) 4408 return (NS_LDAP_INVALID_PARAM); 4409 else 4410 *domain = NULL; 4411 4412 if ((dn == NULL) || (dn[0] == '\0')) 4413 return (NS_LDAP_INVALID_PARAM); 4414 4415 /* 4416 * break dn into rdns 4417 */ 4418 dn1 = strdup(dn); 4419 if (dn1 == NULL) 4420 return (NS_LDAP_MEMORY); 4421 rdns = ldap_explode_dn(dn1, 0); 4422 free(dn1); 4423 if (rdns == NULL || *rdns == NULL) 4424 return (NS_LDAP_INVALID_PARAM); 4425 4426 for (i = 0; rdns[i]; i++) 4427 len += strlen(rdns[i]) + 1; 4428 pnum = i; 4429 4430 newdn = (char *)malloc(len + 1); 4431 dns = (char **)calloc(pnum, sizeof (char *)); 4432 if (newdn == NULL || dns == NULL) { 4433 if (newdn) 4434 free(newdn); 4435 ldap_value_free(rdns); 4436 return (NS_LDAP_MEMORY); 4437 } 4438 4439 /* construct a semi-normalized dn, newdn */ 4440 *newdn = '\0'; 4441 for (i = 0; rdns[i]; i++) { 4442 dns[i] = newdn + strlen(newdn); 4443 (void) strcat(newdn, 4444 __s_api_remove_rdn_space(rdns[i])); 4445 (void) strcat(newdn, ","); 4446 } 4447 /* remove the last ',' */ 4448 newdn[strlen(newdn) - 1] = '\0'; 4449 ldap_value_free(rdns); 4450 4451 /* 4452 * loop and find the domain name associated with newdn, 4453 * removing rdn one by one from left to right 4454 */ 4455 for (i = 0; i < pnum; i++) { 4456 4457 if (*errorp) 4458 (void) __ns_ldap_freeError(errorp); 4459 4460 /* 4461 * try cache manager first 4462 */ 4463 rc = __s_api_get_cachemgr_data(NS_CACHE_DN2DOMAIN, 4464 dns[i], domain); 4465 if (rc != NS_LDAP_SUCCESS) { 4466 /* 4467 * try ldap server second 4468 */ 4469 rc = __s_api_find_domainname(dns[i], domain, 4470 cred, errorp); 4471 } else { 4472 /* 4473 * skip the last one, 4474 * since it is already cached by ldap_cachemgr 4475 */ 4476 i--; 4477 } 4478 if (rc == NS_LDAP_SUCCESS) { 4479 if (__s_api_nscd_proc()) { 4480 /* 4481 * If it's nscd, ask cache manager to save the 4482 * dn to domain mapping(s) 4483 */ 4484 for (j = 0; j <= i; j++) { 4485 (void) __s_api_set_cachemgr_data( 4486 NS_CACHE_DN2DOMAIN, 4487 dns[j], 4488 *domain); 4489 } 4490 } 4491 break; 4492 } 4493 } 4494 4495 free(dns); 4496 free(newdn); 4497 if (rc != NS_LDAP_SUCCESS) 4498 rc = NS_LDAP_NOTFOUND; 4499 return (rc); 4500 } 4501 4502 /*ARGSUSED*/ 4503 int 4504 __ns_ldap_getServiceAuthMethods(const char *service, 4505 ns_auth_t ***auth, 4506 ns_ldap_error_t **errorp) 4507 { 4508 char errstr[MAXERROR]; 4509 int rc, i, done = 0; 4510 int slen; 4511 void **param; 4512 char **sam, *srv, *send; 4513 ns_auth_t **authpp = NULL, *ap; 4514 int cnt, max; 4515 ns_config_t *cfg; 4516 ns_ldap_error_t *error = NULL; 4517 4518 if (errorp == NULL) 4519 return (NS_LDAP_INVALID_PARAM); 4520 *errorp = NULL; 4521 4522 if ((service == NULL) || (service[0] == '\0') || 4523 (auth == NULL)) 4524 return (NS_LDAP_INVALID_PARAM); 4525 4526 *auth = NULL; 4527 rc = __ns_ldap_getParam(NS_LDAP_SERVICE_AUTH_METHOD_P, ¶m, &error); 4528 if (rc != NS_LDAP_SUCCESS || param == NULL) { 4529 *errorp = error; 4530 return (rc); 4531 } 4532 sam = (char **)param; 4533 4534 cfg = __s_api_get_default_config(); 4535 cnt = 0; 4536 4537 slen = strlen(service); 4538 4539 for (; *sam; sam++) { 4540 srv = *sam; 4541 if (strncasecmp(service, srv, slen) != 0) 4542 continue; 4543 srv += slen; 4544 if (*srv != COLONTOK) 4545 continue; 4546 send = srv; 4547 srv++; 4548 for (max = 1; (send = strchr(++send, SEMITOK)) != NULL; 4549 max++) {} 4550 authpp = (ns_auth_t **)calloc(++max, sizeof (ns_auth_t *)); 4551 if (authpp == NULL) { 4552 (void) __ns_ldap_freeParam(¶m); 4553 __s_api_release_config(cfg); 4554 return (NS_LDAP_MEMORY); 4555 } 4556 while (!done) { 4557 send = strchr(srv, SEMITOK); 4558 if (send != NULL) { 4559 *send = '\0'; 4560 send++; 4561 } 4562 i = __s_get_enum_value(cfg, srv, NS_LDAP_AUTH_P); 4563 if (i == -1) { 4564 (void) __ns_ldap_freeParam(¶m); 4565 (void) sprintf(errstr, 4566 gettext("Unsupported " 4567 "serviceAuthenticationMethod: %s.\n"), srv); 4568 MKERROR(LOG_WARNING, *errorp, NS_CONFIG_SYNTAX, 4569 strdup(errstr), NULL); 4570 __s_api_release_config(cfg); 4571 return (NS_LDAP_CONFIG); 4572 } 4573 ap = __s_api_AuthEnumtoStruct((EnumAuthType_t)i); 4574 if (ap == NULL) { 4575 (void) __ns_ldap_freeParam(¶m); 4576 __s_api_release_config(cfg); 4577 return (NS_LDAP_MEMORY); 4578 } 4579 authpp[cnt++] = ap; 4580 if (send == NULL) 4581 done = TRUE; 4582 else 4583 srv = send; 4584 } 4585 } 4586 4587 *auth = authpp; 4588 (void) __ns_ldap_freeParam(¶m); 4589 __s_api_release_config(cfg); 4590 return (NS_LDAP_SUCCESS); 4591 } 4592 4593 /* 4594 * This routine is called when certain scenario occurs 4595 * e.g. 4596 * service == auto_home 4597 * SSD = automount: ou = mytest, 4598 * NS_LDAP_MAPATTRIBUTE= auto_home: automountMapName=AAA 4599 * NS_LDAP_OBJECTCLASSMAP= auto_home:automountMap=MynisMap 4600 * NS_LDAP_OBJECTCLASSMAP= auto_home:automount=MynisObject 4601 * 4602 * The automountMapName is prepended implicitely but is mapped 4603 * to AAA. So dn could appers as 4604 * dn: AAA=auto_home,ou=bar,dc=foo,dc=com 4605 * dn: automountKey=user_01,AAA=auto_home,ou=bar,dc=foo,dc=com 4606 * dn: automountKey=user_02,AAA=auto_home,ou=bar,dc=foo,dc=com 4607 * in the directory. 4608 * This function is called to covert the mapped attr back to 4609 * orig attr when the entries are searched and returned 4610 */ 4611 4612 int 4613 __s_api_convert_automountmapname(const char *service, char **dn, 4614 ns_ldap_error_t **errp) { 4615 4616 char **mapping = NULL; 4617 char *mapped_attr = NULL; 4618 char *automountmapname = "automountMapName"; 4619 char *buffer = NULL; 4620 int rc = NS_LDAP_SUCCESS; 4621 char errstr[MAXERROR]; 4622 4623 /* 4624 * dn is an input/out parameter, check it first 4625 */ 4626 4627 if (service == NULL || dn == NULL || *dn == NULL) 4628 return (NS_LDAP_INVALID_PARAM); 4629 4630 /* 4631 * Check to see if there is a mapped attribute for auto_xxx 4632 */ 4633 4634 mapping = __ns_ldap_getMappedAttributes(service, automountmapname); 4635 4636 /* 4637 * if no mapped attribute for auto_xxx, try automount 4638 */ 4639 4640 if (mapping == NULL) 4641 mapping = __ns_ldap_getMappedAttributes( 4642 "automount", automountmapname); 4643 4644 /* 4645 * if no mapped attribute is found, return SUCCESS (no op) 4646 */ 4647 4648 if (mapping == NULL) 4649 return (NS_LDAP_SUCCESS); 4650 4651 /* 4652 * if the mapped attribute is found and attr is not empty, 4653 * copy it 4654 */ 4655 4656 if (mapping[0] != NULL) { 4657 mapped_attr = strdup(mapping[0]); 4658 __s_api_free2dArray(mapping); 4659 if (mapped_attr == NULL) { 4660 return (NS_LDAP_MEMORY); 4661 } 4662 } else { 4663 __s_api_free2dArray(mapping); 4664 4665 (void) snprintf(errstr, (2 * MAXERROR), 4666 gettext( 4667 "Attribute nisMapName is mapped to an " 4668 "empty string.\n")); 4669 4670 MKERROR(LOG_ERR, *errp, NS_CONFIG_SYNTAX, 4671 strdup(errstr), NULL); 4672 4673 return (NS_LDAP_CONFIG); 4674 } 4675 4676 /* 4677 * Locate the mapped attribute in the dn 4678 * and replace it if it exists 4679 */ 4680 4681 rc = __s_api_replace_mapped_attr_in_dn( 4682 (const char *) automountmapname, (const char *) mapped_attr, 4683 (const char *) *dn, &buffer); 4684 4685 /* clean up */ 4686 4687 free(mapped_attr); 4688 4689 /* 4690 * If mapped attr is found(buffer != NULL) 4691 * a new dn is returned 4692 * If no mapped attribute is in dn, 4693 * return NS_LDAP_SUCCESS (no op) 4694 * If no memory, 4695 * return NS_LDAP_MEMORY (no op) 4696 */ 4697 4698 if (buffer != NULL) { 4699 free(*dn); 4700 *dn = buffer; 4701 } 4702 4703 return (rc); 4704 } 4705 4706 /* 4707 * If the mapped attr is found in the dn, 4708 * return NS_LDAP_SUCCESS and a new_dn. 4709 * If no mapped attr is found, 4710 * return NS_LDAP_SUCCESS and *new_dn == NULL 4711 * If there is not enough memory, 4712 * return NS_LDAP_MEMORY and *new_dn == NULL 4713 */ 4714 4715 int 4716 __s_api_replace_mapped_attr_in_dn( 4717 const char *orig_attr, const char *mapped_attr, 4718 const char *dn, char **new_dn) { 4719 4720 char **dnArray = NULL; 4721 char *cur = NULL, *start = NULL; 4722 int i = 0, found = 0; 4723 int len = 0, orig_len = 0, mapped_len = 0; 4724 int dn_len = 0, tmp_len = 0; 4725 4726 *new_dn = NULL; 4727 4728 /* 4729 * seperate dn into individual componets 4730 * e.g. 4731 * "automountKey=user_01" , "automountMapName_test=auto_home", ... 4732 */ 4733 dnArray = ldap_explode_dn(dn, 0); 4734 4735 /* 4736 * This will find "mapped attr=value" in dn. 4737 * It won't find match if mapped attr appears 4738 * in the value. 4739 */ 4740 for (i = 0; dnArray[i] != NULL; i++) { 4741 /* 4742 * This function is called when reading from 4743 * the directory so assume each component has "=". 4744 * Any ill formatted dn should be rejected 4745 * before adding to the directory 4746 */ 4747 cur = strchr(dnArray[i], '='); 4748 *cur = '\0'; 4749 if (strcasecmp(mapped_attr, dnArray[i]) == 0) 4750 found = 1; 4751 *cur = '='; 4752 if (found) break; 4753 } 4754 4755 if (!found) { 4756 __s_api_free2dArray(dnArray); 4757 *new_dn = NULL; 4758 return (NS_LDAP_SUCCESS); 4759 } 4760 /* 4761 * The new length is *dn length + (difference between 4762 * orig attr and mapped attr) + 1 ; 4763 * e.g. 4764 * automountKey=aa,automountMapName_test=auto_home,dc=foo,dc=com 4765 * ==> 4766 * automountKey=aa,automountMapName=auto_home,dc=foo,dc=com 4767 */ 4768 mapped_len = strlen(mapped_attr); 4769 orig_len = strlen(orig_attr); 4770 dn_len = strlen(dn); 4771 len = dn_len + orig_len - mapped_len + 1; 4772 *new_dn = (char *)calloc(1, len); 4773 if (*new_dn == NULL) { 4774 __s_api_free2dArray(dnArray); 4775 return (NS_LDAP_MEMORY); 4776 } 4777 4778 /* 4779 * Locate the mapped attr in the dn. 4780 * Use dnArray[i] instead of mapped_attr 4781 * because mapped_attr could appear in 4782 * the value 4783 */ 4784 4785 cur = strstr(dn, dnArray[i]); 4786 __s_api_free2dArray(dnArray); 4787 /* copy the portion before mapped attr in dn */ 4788 start = *new_dn; 4789 tmp_len = cur - dn; 4790 (void) memcpy((void *) start, (const void*) dn, tmp_len); 4791 4792 /* 4793 * Copy the orig_attr. e.g. automountMapName 4794 * This replaces mapped attr with orig attr 4795 */ 4796 start = start + (cur - dn); /* move cursor in buffer */ 4797 (void) memcpy((void *) start, (const void*) orig_attr, orig_len); 4798 4799 /* 4800 * Copy the portion after mapped attr in dn 4801 */ 4802 cur = cur + mapped_len; /* move cursor in dn */ 4803 start = start + orig_len; /* move cursor in buffer */ 4804 (void) strcpy(start, cur); 4805 4806 return (NS_LDAP_SUCCESS); 4807 } 4808 4809 /* 4810 * Validate Filter functions 4811 */ 4812 4813 /* ***** Start of modified libldap.so.5 filter parser ***** */ 4814 4815 /* filter parsing routine forward references */ 4816 static int adj_filter_list(char *str); 4817 static int adj_simple_filter(char *str); 4818 static int unescape_filterval(char *val); 4819 static int hexchar2int(char c); 4820 static int adj_substring_filter(char *val); 4821 4822 4823 /* 4824 * assumes string manipulation is in-line 4825 * and all strings are sufficient in size 4826 * return value is the position after 'c' 4827 */ 4828 4829 static char * 4830 resync_str(char *str, char *next, char c) 4831 { 4832 char *ret; 4833 4834 ret = str + strlen(str); 4835 *next = c; 4836 if (ret == next) 4837 return (ret); 4838 (void) strcat(str, next); 4839 return (ret); 4840 } 4841 4842 static char * 4843 find_right_paren(char *s) 4844 { 4845 int balance, escape; 4846 4847 balance = 1; 4848 escape = 0; 4849 while (*s && balance) { 4850 if (escape == 0) { 4851 if (*s == '(') 4852 balance++; 4853 else if (*s == ')') 4854 balance--; 4855 } 4856 if (*s == '\\' && ! escape) 4857 escape = 1; 4858 else 4859 escape = 0; 4860 if (balance) 4861 s++; 4862 } 4863 4864 return (*s ? s : NULL); 4865 } 4866 4867 static char * 4868 adj_complex_filter(char *str) 4869 { 4870 char *next; 4871 4872 /* 4873 * We have (x(filter)...) with str sitting on 4874 * the x. We have to find the paren matching 4875 * the one before the x and put the intervening 4876 * filters by calling adj_filter_list(). 4877 */ 4878 4879 str++; 4880 if ((next = find_right_paren(str)) == NULL) 4881 return (NULL); 4882 4883 *next = '\0'; 4884 if (adj_filter_list(str) == -1) 4885 return (NULL); 4886 next = resync_str(str, next, ')'); 4887 next++; 4888 4889 return (next); 4890 } 4891 4892 static int 4893 adj_filter(char *str) 4894 { 4895 char *next; 4896 int parens, balance, escape; 4897 char *np, *cp, *dp; 4898 4899 parens = 0; 4900 while (*str) { 4901 switch (*str) { 4902 case '(': 4903 str++; 4904 parens++; 4905 switch (*str) { 4906 case '&': 4907 if ((str = adj_complex_filter(str)) == NULL) 4908 return (-1); 4909 4910 parens--; 4911 break; 4912 4913 case '|': 4914 if ((str = adj_complex_filter(str)) == NULL) 4915 return (-1); 4916 4917 parens--; 4918 break; 4919 4920 case '!': 4921 if ((str = adj_complex_filter(str)) == NULL) 4922 return (-1); 4923 4924 parens--; 4925 break; 4926 4927 case '(': 4928 /* illegal ((case - generated by conversion */ 4929 4930 /* find missing close) */ 4931 np = find_right_paren(str+1); 4932 4933 /* error if not found */ 4934 if (np == NULL) 4935 return (-1); 4936 4937 /* remove redundant (and) */ 4938 for (dp = str, cp = str+1; cp < np; ) { 4939 *dp++ = *cp++; 4940 } 4941 cp++; 4942 while (*cp) 4943 *dp++ = *cp++; 4944 *dp = '\0'; 4945 4946 /* re-start test at original ( */ 4947 parens--; 4948 str--; 4949 break; 4950 4951 default: 4952 balance = 1; 4953 escape = 0; 4954 next = str; 4955 while (*next && balance) { 4956 if (escape == 0) { 4957 if (*next == '(') 4958 balance++; 4959 else if (*next == ')') 4960 balance--; 4961 } 4962 if (*next == '\\' && ! escape) 4963 escape = 1; 4964 else 4965 escape = 0; 4966 if (balance) 4967 next++; 4968 } 4969 if (balance != 0) 4970 return (-1); 4971 4972 *next = '\0'; 4973 if (adj_simple_filter(str) == -1) { 4974 return (-1); 4975 } 4976 next = resync_str(str, next, ')'); 4977 next++; 4978 str = next; 4979 parens--; 4980 break; 4981 } 4982 break; 4983 4984 case ')': 4985 str++; 4986 parens--; 4987 break; 4988 4989 case ' ': 4990 str++; 4991 break; 4992 4993 default: /* assume it's a simple type=value filter */ 4994 next = strchr(str, '\0'); 4995 if (adj_simple_filter(str) == -1) { 4996 return (-1); 4997 } 4998 str = next; 4999 break; 5000 } 5001 } 5002 5003 return (parens ? -1 : 0); 5004 } 5005 5006 5007 /* 5008 * Put a list of filters like this "(filter1)(filter2)..." 5009 */ 5010 5011 static int 5012 adj_filter_list(char *str) 5013 { 5014 char *next; 5015 char save; 5016 5017 while (*str) { 5018 while (*str && isspace(*str)) 5019 str++; 5020 if (*str == '\0') 5021 break; 5022 5023 if ((next = find_right_paren(str + 1)) == NULL) 5024 return (-1); 5025 save = *++next; 5026 5027 /* now we have "(filter)" with str pointing to it */ 5028 *next = '\0'; 5029 if (adj_filter(str) == -1) 5030 return (-1); 5031 next = resync_str(str, next, save); 5032 5033 str = next; 5034 } 5035 5036 return (0); 5037 } 5038 5039 5040 /* 5041 * is_valid_attr - returns 1 if a is a syntactically valid left-hand side 5042 * of a filter expression, 0 otherwise. A valid string may contain only 5043 * letters, numbers, hyphens, semi-colons, colons and periods. examples: 5044 * cn 5045 * cn;lang-fr 5046 * 1.2.3.4;binary;dynamic 5047 * mail;dynamic 5048 * cn:dn:1.2.3.4 5049 * 5050 * For compatibility with older servers, we also allow underscores in 5051 * attribute types, even through they are not allowed by the LDAPv3 RFCs. 5052 */ 5053 static int 5054 is_valid_attr(char *a) 5055 { 5056 for (; *a; a++) { 5057 if (!isascii(*a)) { 5058 return (0); 5059 } else if (!isalnum(*a)) { 5060 switch (*a) { 5061 case '-': 5062 case '.': 5063 case ';': 5064 case ':': 5065 case '_': 5066 break; /* valid */ 5067 default: 5068 return (0); 5069 } 5070 } 5071 } 5072 return (1); 5073 } 5074 5075 static char * 5076 find_star(char *s) 5077 { 5078 for (; *s; ++s) { 5079 switch (*s) { 5080 case '*': 5081 return (s); 5082 case '\\': 5083 ++s; 5084 if (hexchar2int(s[0]) >= 0 && hexchar2int(s[1]) >= 0) 5085 ++s; 5086 default: 5087 break; 5088 } 5089 } 5090 return (NULL); 5091 } 5092 5093 static int 5094 adj_simple_filter(char *str) 5095 { 5096 char *s, *s2, *s3, filterop; 5097 char *value; 5098 int ftype = 0; 5099 int rc; 5100 5101 rc = -1; /* pessimistic */ 5102 5103 if ((str = strdup(str)) == NULL) { 5104 return (rc); 5105 } 5106 5107 if ((s = strchr(str, '=')) == NULL) { 5108 goto free_and_return; 5109 } 5110 value = s + 1; 5111 *s-- = '\0'; 5112 filterop = *s; 5113 if (filterop == '<' || filterop == '>' || filterop == '~' || 5114 filterop == ':') { 5115 *s = '\0'; 5116 } 5117 5118 if (! is_valid_attr(str)) { 5119 goto free_and_return; 5120 } 5121 5122 switch (filterop) { 5123 case '<': /* LDAP_FILTER_LE */ 5124 case '>': /* LDAP_FILTER_GE */ 5125 case '~': /* LDAP_FILTER_APPROX */ 5126 break; 5127 case ':': /* extended filter - v3 only */ 5128 /* 5129 * extended filter looks like this: 5130 * 5131 * [type][':dn'][':'oid]':='value 5132 * 5133 * where one of type or :oid is required. 5134 * 5135 */ 5136 s2 = s3 = NULL; 5137 if ((s2 = strrchr(str, ':')) == NULL) { 5138 goto free_and_return; 5139 } 5140 if (strcasecmp(s2, ":dn") == 0) { 5141 *s2 = '\0'; 5142 } else { 5143 *s2 = '\0'; 5144 if ((s3 = strrchr(str, ':')) != NULL) { 5145 if (strcasecmp(s3, ":dn") != 0) { 5146 goto free_and_return; 5147 } 5148 *s3 = '\0'; 5149 } 5150 } 5151 if (unescape_filterval(value) < 0) { 5152 goto free_and_return; 5153 } 5154 rc = 0; 5155 goto free_and_return; 5156 /* break; */ 5157 default: 5158 if (find_star(value) == NULL) { 5159 ftype = 0; /* LDAP_FILTER_EQUALITY */ 5160 } else if (strcmp(value, "*") == 0) { 5161 ftype = 1; /* LDAP_FILTER_PRESENT */ 5162 } else { 5163 rc = adj_substring_filter(value); 5164 goto free_and_return; 5165 } 5166 break; 5167 } 5168 5169 if (ftype != 0) { /* == LDAP_FILTER_PRESENT */ 5170 rc = 0; 5171 } else if (unescape_filterval(value) >= 0) { 5172 rc = 0; 5173 } 5174 if (rc != -1) { 5175 rc = 0; 5176 } 5177 5178 free_and_return: 5179 free(str); 5180 return (rc); 5181 } 5182 5183 5184 /* 5185 * Check in place both LDAPv2 (RFC-1960) and LDAPv3 (hexadecimal) escape 5186 * sequences within the null-terminated string 'val'. 5187 * 5188 * If 'val' contains invalid escape sequences we return -1. 5189 * Otherwise return 1 5190 */ 5191 static int 5192 unescape_filterval(char *val) 5193 { 5194 int escape, firstdigit; 5195 char *s; 5196 5197 firstdigit = 0; 5198 escape = 0; 5199 for (s = val; *s; s++) { 5200 if (escape) { 5201 /* 5202 * first try LDAPv3 escape (hexadecimal) sequence 5203 */ 5204 if (hexchar2int(*s) < 0) { 5205 if (firstdigit) { 5206 /* 5207 * LDAPv2 (RFC1960) escape sequence 5208 */ 5209 escape = 0; 5210 } else { 5211 return (-1); 5212 } 5213 } 5214 if (firstdigit) { 5215 firstdigit = 0; 5216 } else { 5217 escape = 0; 5218 } 5219 5220 } else if (*s != '\\') { 5221 escape = 0; 5222 5223 } else { 5224 escape = 1; 5225 firstdigit = 1; 5226 } 5227 } 5228 5229 return (1); 5230 } 5231 5232 5233 /* 5234 * convert character 'c' that represents a hexadecimal digit to an integer. 5235 * if 'c' is not a hexidecimal digit [0-9A-Fa-f], -1 is returned. 5236 * otherwise the converted value is returned. 5237 */ 5238 static int 5239 hexchar2int(char c) 5240 { 5241 if (c >= '0' && c <= '9') { 5242 return (c - '0'); 5243 } 5244 if (c >= 'A' && c <= 'F') { 5245 return (c - 'A' + 10); 5246 } 5247 if (c >= 'a' && c <= 'f') { 5248 return (c - 'a' + 10); 5249 } 5250 return (-1); 5251 } 5252 5253 static int 5254 adj_substring_filter(char *val) 5255 { 5256 char *nextstar; 5257 5258 for (; val != NULL; val = nextstar) { 5259 if ((nextstar = find_star(val)) != NULL) { 5260 *nextstar++ = '\0'; 5261 } 5262 5263 if (*val != '\0') { 5264 if (unescape_filterval(val) < 0) { 5265 return (-1); 5266 } 5267 } 5268 } 5269 5270 return (0); 5271 } 5272 5273 /* ***** End of modified libldap.so.5 filter parser ***** */ 5274 5275 5276 /* 5277 * Walk filter, remove redundant parentheses in-line 5278 * verify that the filter is reasonable 5279 */ 5280 static int 5281 validate_filter(ns_ldap_cookie_t *cookie) 5282 { 5283 char *filter = cookie->filter; 5284 int rc; 5285 5286 /* Parse filter looking for illegal values */ 5287 5288 rc = adj_filter(filter); 5289 if (rc != 0) { 5290 return (NS_LDAP_OP_FAILED); 5291 } 5292 5293 /* end of filter checking */ 5294 5295 return (NS_LDAP_SUCCESS); 5296 } 5297 5298 /* 5299 * Set the account management request control that needs to be sent to server. 5300 * This control is required to get the account management information of 5301 * a user to do local account checking. 5302 */ 5303 static int 5304 setup_acctmgmt_params(ns_ldap_cookie_t *cookie) 5305 { 5306 LDAPControl *req = NULL, **requestctrls; 5307 5308 req = (LDAPControl *)malloc(sizeof (LDAPControl)); 5309 5310 if (req == NULL) 5311 return (NS_LDAP_MEMORY); 5312 5313 /* fill in the fields of this new control */ 5314 req->ldctl_iscritical = 1; 5315 req->ldctl_oid = strdup(NS_LDAP_ACCOUNT_USABLE_CONTROL); 5316 if (req->ldctl_oid == NULL) { 5317 free(req); 5318 return (NS_LDAP_MEMORY); 5319 } 5320 req->ldctl_value.bv_len = 0; 5321 req->ldctl_value.bv_val = NULL; 5322 5323 requestctrls = (LDAPControl **)calloc(2, sizeof (LDAPControl *)); 5324 if (requestctrls == NULL) { 5325 ldap_control_free(req); 5326 return (NS_LDAP_MEMORY); 5327 } 5328 5329 requestctrls[0] = req; 5330 5331 cookie->p_serverctrls = requestctrls; 5332 5333 return (NS_LDAP_SUCCESS); 5334 } 5335 5336 /* 5337 * int get_new_acct_more_info(BerElement *ber, 5338 * AcctUsableResponse_t *acctResp) 5339 * 5340 * Decode the more_info data from an Account Management control response, 5341 * when the account is not usable and when code style is from recent LDAP 5342 * servers (see below comments for parse_acct_cont_resp_msg() to get more 5343 * details on coding styles and ASN1 description). 5344 * 5345 * Expected BER encoding: {tbtbtbtiti} 5346 * +t: tag is 0 5347 * +b: TRUE if inactive due to account inactivation 5348 * +t: tag is 1 5349 * +b: TRUE if password has been reset 5350 * +t: tag is 2 5351 * +b: TRUE if password is expired 5352 * +t: tag is 3 5353 * +i: contains num of remaining grace, 0 means no grace 5354 * +t: tag is 4 5355 * +i: contains num of seconds before auto-unlock. -1 means acct is locked 5356 * forever (i.e. until reset) 5357 * 5358 * Asumptions: 5359 * - ber is not null 5360 * - acctResp is not null and is initialized with default values for the 5361 * fields in its AcctUsableResp.more_info structure 5362 * - the ber stream is received in the correct order, per the ASN1 description. 5363 * We do not check this order and make the asumption that it is correct. 5364 * Note that the ber stream may not (and will not in most cases) contain 5365 * all fields. 5366 */ 5367 static int 5368 get_new_acct_more_info(BerElement *ber, AcctUsableResponse_t *acctResp) 5369 { 5370 int rc = NS_LDAP_SUCCESS; 5371 char errstr[MAXERROR]; 5372 ber_tag_t rTag = LBER_DEFAULT; 5373 ber_len_t rLen = 0; 5374 ber_int_t rValue; 5375 char *last; 5376 int berRC = 0; 5377 5378 /* 5379 * Look at what more_info BER element is/are left to be decoded. 5380 * look at each of them 1 by 1, without checking on their order 5381 * and possible multi values. 5382 */ 5383 for (rTag = ber_first_element(ber, &rLen, &last); 5384 rTag != LBER_END_OF_SEQORSET; 5385 rTag = ber_next_element(ber, &rLen, last)) { 5386 5387 berRC = 0; 5388 switch (rTag) { 5389 case 0 | LBER_CLASS_CONTEXT | LBER_PRIMITIVE: 5390 /* inactive */ 5391 berRC = ber_scanf(ber, "b", &rValue); 5392 if (berRC != LBER_ERROR) { 5393 (acctResp->AcctUsableResp).more_info. 5394 inactive = (rValue != 0) ? 1 : 0; 5395 } 5396 break; 5397 5398 case 1 | LBER_CLASS_CONTEXT | LBER_PRIMITIVE: 5399 /* reset */ 5400 berRC = ber_scanf(ber, "b", &rValue); 5401 if (berRC != LBER_ERROR) { 5402 (acctResp->AcctUsableResp).more_info.reset 5403 = (rValue != 0) ? 1 : 0; 5404 } 5405 break; 5406 5407 case 2 | LBER_CLASS_CONTEXT | LBER_PRIMITIVE: 5408 /* expired */ 5409 berRC = ber_scanf(ber, "b", &rValue); 5410 if (berRC != LBER_ERROR) { 5411 (acctResp->AcctUsableResp).more_info.expired 5412 = (rValue != 0) ? 1 : 0; 5413 } 5414 break; 5415 5416 case 3 | LBER_CLASS_CONTEXT | LBER_PRIMITIVE: 5417 /* remaining grace */ 5418 berRC = ber_scanf(ber, "i", &rValue); 5419 if (berRC != LBER_ERROR) { 5420 (acctResp->AcctUsableResp).more_info.rem_grace 5421 = rValue; 5422 } 5423 break; 5424 5425 case 4 | LBER_CLASS_CONTEXT | LBER_PRIMITIVE: 5426 /* seconds before unlock */ 5427 berRC = ber_scanf(ber, "i", &rValue); 5428 if (berRC != LBER_ERROR) { 5429 (acctResp->AcctUsableResp).more_info. 5430 sec_b4_unlock = rValue; 5431 } 5432 break; 5433 5434 default : 5435 (void) sprintf(errstr, 5436 gettext("invalid reason tag 0x%x"), rTag); 5437 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5438 rc = NS_LDAP_INTERNAL; 5439 break; 5440 } 5441 if (berRC == LBER_ERROR) { 5442 (void) sprintf(errstr, 5443 gettext("error 0x%x decoding value for " 5444 "tag 0x%x"), berRC, rTag); 5445 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5446 rc = NS_LDAP_INTERNAL; 5447 } 5448 if (rc != NS_LDAP_SUCCESS) { 5449 /* exit the for loop */ 5450 break; 5451 } 5452 } 5453 5454 return (rc); 5455 } 5456 5457 /* 5458 * int get_old_acct_opt_more_info(BerElement *ber, 5459 * AcctUsableResponse_t *acctResp) 5460 * 5461 * Decode the optional more_info data from an Account Management control 5462 * response, when the account is not usable and when code style is from LDAP 5463 * server 5.2p4 (see below comments for parse_acct_cont_resp_msg() to get more 5464 * details on coding styles and ASN1 description). 5465 * 5466 * Expected BER encoding: titi} 5467 * +t: tag is 2 5468 * +i: contains num of remaining grace, 0 means no grace 5469 * +t: tag is 3 5470 * +i: contains num of seconds before auto-unlock. -1 means acct is locked 5471 * forever (i.e. until reset) 5472 * 5473 * Asumptions: 5474 * - ber is a valid BER element 5475 * - acctResp is initialized for the fields in its AcctUsableResp.more_info 5476 * structure 5477 */ 5478 static int 5479 get_old_acct_opt_more_info(ber_tag_t tag, BerElement *ber, 5480 AcctUsableResponse_t *acctResp) 5481 { 5482 int rc = NS_LDAP_SUCCESS; 5483 char errstr[MAXERROR]; 5484 ber_len_t len; 5485 int rem_grace, sec_b4_unlock; 5486 5487 switch (tag) { 5488 case 2: 5489 /* decode and maybe 3 is following */ 5490 if ((tag = ber_scanf(ber, "i", &rem_grace)) == LBER_ERROR) { 5491 (void) sprintf(errstr, gettext("Can not get " 5492 "rem_grace")); 5493 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5494 rc = NS_LDAP_INTERNAL; 5495 break; 5496 } 5497 (acctResp->AcctUsableResp).more_info.rem_grace = rem_grace; 5498 5499 if ((tag = ber_peek_tag(ber, &len)) == LBER_ERROR) { 5500 /* this is a success case, break to exit */ 5501 (void) sprintf(errstr, gettext("No more " 5502 "optional data")); 5503 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5504 break; 5505 } 5506 5507 if (tag == 3) { 5508 if (ber_scanf(ber, "i", &sec_b4_unlock) == LBER_ERROR) { 5509 (void) sprintf(errstr, 5510 gettext("Can not get sec_b4_unlock " 5511 "- 1st case")); 5512 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5513 rc = NS_LDAP_INTERNAL; 5514 break; 5515 } 5516 (acctResp->AcctUsableResp).more_info.sec_b4_unlock = 5517 sec_b4_unlock; 5518 } else { /* unknown tag */ 5519 (void) sprintf(errstr, gettext("Unknown tag " 5520 "- 1st case")); 5521 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5522 rc = NS_LDAP_INTERNAL; 5523 break; 5524 } 5525 break; 5526 5527 case 3: 5528 if (ber_scanf(ber, "i", &sec_b4_unlock) == LBER_ERROR) { 5529 (void) sprintf(errstr, gettext("Can not get " 5530 "sec_b4_unlock - 2nd case")); 5531 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5532 rc = NS_LDAP_INTERNAL; 5533 break; 5534 } 5535 (acctResp->AcctUsableResp).more_info.sec_b4_unlock = 5536 sec_b4_unlock; 5537 break; 5538 5539 default: /* unknown tag */ 5540 (void) sprintf(errstr, gettext("Unknown tag - 2nd case")); 5541 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5542 rc = NS_LDAP_INTERNAL; 5543 break; 5544 } 5545 5546 return (rc); 5547 } 5548 5549 /* 5550 * **** This function needs to be moved to libldap library **** 5551 * parse_acct_cont_resp_msg() parses the message received by server according to 5552 * following format (ASN1 notation): 5553 * 5554 * ACCOUNT_USABLE_RESPONSE::= CHOICE { 5555 * is_available [0] INTEGER, 5556 * ** seconds before expiration ** 5557 * is_not_available [1] more_info 5558 * } 5559 * more_info::= SEQUENCE { 5560 * inactive [0] BOOLEAN DEFAULT FALSE, 5561 * reset [1] BOOLEAN DEFAULT FALSE, 5562 * expired [2] BOOLEAN DEFAULT FALSE, 5563 * remaining_grace [3] INTEGER OPTIONAL, 5564 * seconds_before_unlock [4] INTEGER OPTIONAL 5565 * } 5566 */ 5567 /* 5568 * #define used to make the difference between coding style as done 5569 * by LDAP server 5.2p4 and newer LDAP servers. There are 4 values: 5570 * - DS52p4_USABLE: 5.2p4 coding style, account is usable 5571 * - DS52p4_NOT_USABLE: 5.2p4 coding style, account is not usable 5572 * - NEW_USABLE: newer LDAP servers coding style, account is usable 5573 * - NEW_NOT_USABLE: newer LDAP servers coding style, account is not usable 5574 * 5575 * An account would be considered not usable if for instance: 5576 * - it's been made inactive in the LDAP server 5577 * - or its password was reset in the LDAP server database 5578 * - or its password expired 5579 * - or the account has been locked, possibly forever 5580 */ 5581 #define DS52p4_USABLE 0x00 5582 #define DS52p4_NOT_USABLE 0x01 5583 #define NEW_USABLE 0x00 | LBER_CLASS_CONTEXT | LBER_PRIMITIVE 5584 #define NEW_NOT_USABLE 0x01 | LBER_CLASS_CONTEXT | LBER_CONSTRUCTED 5585 static int 5586 parse_acct_cont_resp_msg(LDAPControl **ectrls, AcctUsableResponse_t *acctResp) 5587 { 5588 int rc = NS_LDAP_SUCCESS; 5589 BerElement *ber; 5590 ber_tag_t tag; 5591 ber_len_t len; 5592 int i; 5593 char errstr[MAXERROR]; 5594 /* used for any coding style when account is usable */ 5595 int seconds_before_expiry; 5596 /* used for 5.2p4 coding style when account is not usable */ 5597 int inactive, reset, expired; 5598 5599 if (ectrls == NULL) { 5600 (void) sprintf(errstr, gettext("Invalid ectrls parameter")); 5601 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5602 return (NS_LDAP_INVALID_PARAM); 5603 } 5604 5605 for (i = 0; ectrls[i] != NULL; i++) { 5606 if (strcmp(ectrls[i]->ldctl_oid, NS_LDAP_ACCOUNT_USABLE_CONTROL) 5607 == 0) { 5608 break; 5609 } 5610 } 5611 5612 if (ectrls[i] == NULL) { 5613 /* Ldap control is not found */ 5614 (void) sprintf(errstr, gettext("Account Usable Control " 5615 "not found")); 5616 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5617 return (NS_LDAP_NOTFOUND); 5618 } 5619 5620 /* Allocate a BER element from the control value and parse it. */ 5621 if ((ber = ber_init(&ectrls[i]->ldctl_value)) == NULL) 5622 return (NS_LDAP_MEMORY); 5623 5624 if ((tag = ber_peek_tag(ber, &len)) == LBER_ERROR) { 5625 /* Ldap decoding error */ 5626 (void) sprintf(errstr, gettext("Error decoding 1st tag")); 5627 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5628 ber_free(ber, 1); 5629 return (NS_LDAP_INTERNAL); 5630 } 5631 5632 switch (tag) { 5633 case DS52p4_USABLE: 5634 case NEW_USABLE: 5635 acctResp->choice = 0; 5636 if (ber_scanf(ber, "i", &seconds_before_expiry) 5637 == LBER_ERROR) { 5638 /* Ldap decoding error */ 5639 (void) sprintf(errstr, gettext("Can not get " 5640 "seconds_before_expiry")); 5641 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5642 rc = NS_LDAP_INTERNAL; 5643 break; 5644 } 5645 /* ber_scanf() succeeded */ 5646 (acctResp->AcctUsableResp).seconds_before_expiry = 5647 seconds_before_expiry; 5648 break; 5649 5650 case DS52p4_NOT_USABLE: 5651 acctResp->choice = 1; 5652 if (ber_scanf(ber, "{bbb", &inactive, &reset, &expired) 5653 == LBER_ERROR) { 5654 /* Ldap decoding error */ 5655 (void) sprintf(errstr, gettext("Can not get " 5656 "inactive/reset/expired")); 5657 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5658 rc = NS_LDAP_INTERNAL; 5659 break; 5660 } 5661 /* ber_scanf() succeeded */ 5662 (acctResp->AcctUsableResp).more_info.inactive = 5663 ((inactive == 0) ? 0 : 1); 5664 (acctResp->AcctUsableResp).more_info.reset = 5665 ((reset == 0) ? 0 : 1); 5666 (acctResp->AcctUsableResp).more_info.expired = 5667 ((expired == 0) ? 0 : 1); 5668 (acctResp->AcctUsableResp).more_info.rem_grace = 0; 5669 (acctResp->AcctUsableResp).more_info.sec_b4_unlock = 0; 5670 5671 if ((tag = ber_peek_tag(ber, &len)) == LBER_ERROR) { 5672 /* this is a success case, break to exit */ 5673 (void) sprintf(errstr, gettext("No optional data")); 5674 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5675 break; 5676 } 5677 5678 /* 5679 * Look at what optional more_info BER element is/are 5680 * left to be decoded. 5681 */ 5682 rc = get_old_acct_opt_more_info(tag, ber, acctResp); 5683 break; 5684 5685 case NEW_NOT_USABLE: 5686 acctResp->choice = 1; 5687 /* 5688 * Recent LDAP servers won't code more_info data for default 5689 * values (see above comments on ASN1 description for what 5690 * fields have default values & what fields are optional). 5691 */ 5692 (acctResp->AcctUsableResp).more_info.inactive = 0; 5693 (acctResp->AcctUsableResp).more_info.reset = 0; 5694 (acctResp->AcctUsableResp).more_info.expired = 0; 5695 (acctResp->AcctUsableResp).more_info.rem_grace = 0; 5696 (acctResp->AcctUsableResp).more_info.sec_b4_unlock = 0; 5697 5698 if (len == 0) { 5699 /* 5700 * Nothing else to decode; this is valid and we 5701 * use default values set above. 5702 */ 5703 (void) sprintf(errstr, gettext("more_info is " 5704 "empty, using default values")); 5705 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5706 break; 5707 } 5708 5709 /* 5710 * Look at what more_info BER element is/are left to 5711 * be decoded. 5712 */ 5713 rc = get_new_acct_more_info(ber, acctResp); 5714 break; 5715 5716 default: 5717 (void) sprintf(errstr, gettext("unknwon coding style " 5718 "(tag: 0x%x)"), tag); 5719 syslog(LOG_DEBUG, "libsldap: %s", errstr); 5720 rc = NS_LDAP_INTERNAL; 5721 break; 5722 } 5723 5724 ber_free(ber, 1); 5725 return (rc); 5726 } 5727 5728 /* 5729 * internal function for __ns_ldap_getAcctMgmt() 5730 */ 5731 static int 5732 getAcctMgmt(const char *user, AcctUsableResponse_t *acctResp, 5733 ns_conn_user_t *conn_user) 5734 { 5735 int scope, rc; 5736 char ldapfilter[1024]; 5737 ns_ldap_cookie_t *cookie; 5738 ns_ldap_search_desc_t **sdlist = NULL; 5739 ns_ldap_search_desc_t *dptr; 5740 ns_ldap_error_t *error = NULL; 5741 char **dns = NULL; 5742 char service[] = "shadow"; 5743 5744 if (user == NULL || acctResp == NULL) 5745 return (NS_LDAP_INVALID_PARAM); 5746 5747 /* Initialize State machine cookie */ 5748 cookie = init_search_state_machine(); 5749 if (cookie == NULL) 5750 return (NS_LDAP_MEMORY); 5751 cookie->conn_user = conn_user; 5752 5753 /* see if need to follow referrals */ 5754 rc = __s_api_toFollowReferrals(0, 5755 &cookie->followRef, &error); 5756 if (rc != NS_LDAP_SUCCESS) { 5757 (void) __ns_ldap_freeError(&error); 5758 goto out; 5759 } 5760 5761 /* get the service descriptor - or create a default one */ 5762 rc = __s_api_get_SSD_from_SSDtoUse_service(service, 5763 &sdlist, &error); 5764 if (rc != NS_LDAP_SUCCESS) { 5765 (void) __ns_ldap_freeError(&error); 5766 goto out; 5767 } 5768 5769 if (sdlist == NULL) { 5770 /* Create default service Desc */ 5771 sdlist = (ns_ldap_search_desc_t **)calloc(2, 5772 sizeof (ns_ldap_search_desc_t *)); 5773 if (sdlist == NULL) { 5774 rc = NS_LDAP_MEMORY; 5775 goto out; 5776 } 5777 dptr = (ns_ldap_search_desc_t *) 5778 calloc(1, sizeof (ns_ldap_search_desc_t)); 5779 if (dptr == NULL) { 5780 free(sdlist); 5781 rc = NS_LDAP_MEMORY; 5782 goto out; 5783 } 5784 sdlist[0] = dptr; 5785 5786 /* default base */ 5787 rc = __s_api_getDNs(&dns, service, &cookie->errorp); 5788 if (rc != NS_LDAP_SUCCESS) { 5789 if (dns) { 5790 __s_api_free2dArray(dns); 5791 dns = NULL; 5792 } 5793 (void) __ns_ldap_freeError(&(cookie->errorp)); 5794 cookie->errorp = NULL; 5795 goto out; 5796 } 5797 dptr->basedn = strdup(dns[0]); 5798 if (dptr->basedn == NULL) { 5799 free(sdlist); 5800 free(dptr); 5801 if (dns) { 5802 __s_api_free2dArray(dns); 5803 dns = NULL; 5804 } 5805 rc = NS_LDAP_MEMORY; 5806 goto out; 5807 } 5808 __s_api_free2dArray(dns); 5809 dns = NULL; 5810 5811 /* default scope */ 5812 scope = 0; 5813 rc = __s_api_getSearchScope(&scope, &cookie->errorp); 5814 dptr->scope = scope; 5815 } 5816 5817 cookie->sdlist = sdlist; 5818 5819 cookie->service = strdup(service); 5820 if (cookie->service == NULL) { 5821 rc = NS_LDAP_MEMORY; 5822 goto out; 5823 } 5824 5825 /* search for entries for this particular uid */ 5826 (void) snprintf(ldapfilter, sizeof (ldapfilter), "(uid=%s)", user); 5827 cookie->i_filter = strdup(ldapfilter); 5828 if (cookie->i_filter == NULL) { 5829 rc = NS_LDAP_MEMORY; 5830 goto out; 5831 } 5832 5833 /* create the control request */ 5834 if ((rc = setup_acctmgmt_params(cookie)) != NS_LDAP_SUCCESS) 5835 goto out; 5836 5837 /* Process search */ 5838 rc = search_state_machine(cookie, GET_ACCT_MGMT_INFO, 0); 5839 5840 /* Copy results back to user */ 5841 rc = cookie->err_rc; 5842 if (rc != NS_LDAP_SUCCESS) 5843 (void) __ns_ldap_freeError(&(cookie->errorp)); 5844 5845 if (cookie->result == NULL) 5846 goto out; 5847 5848 if ((rc = parse_acct_cont_resp_msg(cookie->resultctrl, acctResp)) 5849 != NS_LDAP_SUCCESS) 5850 goto out; 5851 5852 rc = NS_LDAP_SUCCESS; 5853 5854 out: 5855 delete_search_cookie(cookie); 5856 5857 return (rc); 5858 } 5859 5860 /* 5861 * __ns_ldap_getAcctMgmt() is called from pam account management stack 5862 * for retrieving accounting information of users with no user password - 5863 * eg. rlogin, rsh, etc. This function uses the account management control 5864 * request to do a search on the server for the user in question. The 5865 * response control returned from the server is got from the cookie. 5866 * Input params: username of whose account mgmt information is to be got 5867 * pointer to hold the parsed account management information 5868 * Return values: NS_LDAP_SUCCESS on success or appropriate error 5869 * code on failure 5870 */ 5871 int 5872 __ns_ldap_getAcctMgmt(const char *user, AcctUsableResponse_t *acctResp) 5873 { 5874 ns_conn_user_t *cu = NULL; 5875 int try_cnt = 0; 5876 int rc = NS_LDAP_SUCCESS; 5877 ns_ldap_error_t *error = NULL; 5878 5879 for (;;) { 5880 if (__s_api_setup_retry_search(&cu, NS_CONN_USER_SEARCH, 5881 &try_cnt, &rc, &error) == 0) 5882 break; 5883 rc = getAcctMgmt(user, acctResp, cu); 5884 } 5885 return (rc); 5886 } 5887