2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1998-2013 The OpenLDAP Foundation.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted only as authorized by the OpenLDAP
11 * A copy of this license is available in the file LICENSE in the
12 * top-level directory of the distribution or, alternatively, at
13 * <http://www.OpenLDAP.org/license.html>.
15 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
16 * All rights reserved.
18 * Redistribution and use in source and binary forms are permitted
19 * provided that this notice is preserved and that due credit is given
20 * to the University of Michigan at Ann Arbor. The name of the University
21 * may not be used to endorse or promote products derived from this
22 * software without specific prior written permission. This software
23 * is provided ``as is'' without express or implied warranty.
30 #include <ac/string.h>
31 #include <ac/socket.h>
38 Operation *op, /* info about the op to which we're responding */
39 SlapReply *rs /* all the response data we'll send */ )
41 struct berval base = BER_BVNULL;
42 ber_len_t siz, off, i;
44 Debug( LDAP_DEBUG_TRACE, "%s do_search\n",
45 op->o_log_prefix, 0, 0 );
47 * Parse the search request. It looks like this:
49 * SearchRequest := [APPLICATION 3] SEQUENCE {
50 * baseObject DistinguishedName,
55 * subordinate (3) -- OpenLDAP extension
57 * derefAliases ENUMERATED {
58 * neverDerefaliases (0),
59 * derefInSearching (1),
60 * derefFindingBaseObj (2),
61 * alwaysDerefAliases (3)
63 * sizelimit INTEGER (0 .. 65535),
64 * timelimit INTEGER (0 .. 65535),
67 * attributes SEQUENCE OF AttributeType
71 /* baseObject, scope, derefAliases, sizelimit, timelimit, attrsOnly */
72 if ( ber_scanf( op->o_ber, "{miiiib" /*}*/,
73 &base, &op->ors_scope, &op->ors_deref, &op->ors_slimit,
74 &op->ors_tlimit, &op->ors_attrsonly ) == LBER_ERROR )
76 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
77 rs->sr_err = SLAPD_DISCONNECT;
81 if ( op->ors_tlimit < 0 || op->ors_tlimit > SLAP_MAX_LIMIT ) {
82 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "invalid time limit" );
86 if ( op->ors_slimit < 0 || op->ors_slimit > SLAP_MAX_LIMIT ) {
87 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "invalid size limit" );
91 switch( op->ors_scope ) {
93 case LDAP_SCOPE_ONELEVEL:
94 case LDAP_SCOPE_SUBTREE:
95 case LDAP_SCOPE_SUBORDINATE:
98 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "invalid scope" );
102 switch( op->ors_deref ) {
103 case LDAP_DEREF_NEVER:
104 case LDAP_DEREF_FINDING:
105 case LDAP_DEREF_SEARCHING:
106 case LDAP_DEREF_ALWAYS:
109 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "invalid deref" );
113 rs->sr_err = dnPrettyNormal( NULL, &base, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
114 if( rs->sr_err != LDAP_SUCCESS ) {
115 Debug( LDAP_DEBUG_ANY, "%s do_search: invalid dn: \"%s\"\n",
116 op->o_log_prefix, base.bv_val, 0 );
117 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
121 Debug( LDAP_DEBUG_ARGS, "SRCH \"%s\" %d %d",
122 base.bv_val, op->ors_scope, op->ors_deref );
123 Debug( LDAP_DEBUG_ARGS, " %d %d %d\n",
124 op->ors_slimit, op->ors_tlimit, op->ors_attrsonly);
126 /* filter - returns a "normalized" version */
127 rs->sr_err = get_filter( op, op->o_ber, &op->ors_filter, &rs->sr_text );
128 if( rs->sr_err != LDAP_SUCCESS ) {
129 if( rs->sr_err == SLAPD_DISCONNECT ) {
130 rs->sr_err = LDAP_PROTOCOL_ERROR;
131 send_ldap_disconnect( op, rs );
132 rs->sr_err = SLAPD_DISCONNECT;
134 send_ldap_result( op, rs );
138 filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
140 Debug( LDAP_DEBUG_ARGS, " filter: %s\n",
141 !BER_BVISEMPTY( &op->ors_filterstr ) ? op->ors_filterstr.bv_val : "empty", 0, 0 );
144 siz = sizeof(AttributeName);
145 off = offsetof(AttributeName,an_name);
146 if ( ber_scanf( op->o_ber, "{M}}", &op->ors_attrs, &siz, off ) == LBER_ERROR ) {
147 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding attrs error" );
148 rs->sr_err = SLAPD_DISCONNECT;
151 for ( i=0; i<siz; i++ ) {
152 const char *dummy; /* ignore msgs from bv2ad */
153 op->ors_attrs[i].an_desc = NULL;
154 op->ors_attrs[i].an_oc = NULL;
155 op->ors_attrs[i].an_flags = 0;
156 if ( slap_bv2ad( &op->ors_attrs[i].an_name,
157 &op->ors_attrs[i].an_desc, &dummy ) != LDAP_SUCCESS )
159 if ( slap_bv2undef_ad( &op->ors_attrs[i].an_name,
160 &op->ors_attrs[i].an_desc, &dummy,
161 SLAP_AD_PROXIED|SLAP_AD_NOINSERT ) )
163 struct berval *bv = &op->ors_attrs[i].an_name;
165 /* RFC 4511 LDAPv3: All User Attributes */
166 if ( bvmatch( bv, slap_bv_all_user_attrs ) ) {
170 /* RFC 3673 LDAPv3: All Operational Attributes */
171 if ( bvmatch( bv, slap_bv_all_operational_attrs ) ) {
175 /* RFC 4529 LDAP: Requesting Attributes by Object Class */
176 if ( bv->bv_len > 1 && bv->bv_val[0] == '@' ) {
177 /* FIXME: check if remaining is valid oc name? */
181 /* add more "exceptions" to RFC 4511 4.5.1.8. */
183 /* invalid attribute description? remove */
184 if ( ad_keystring( bv ) ) {
185 /* NOTE: parsed in-place, don't modify;
186 * rather add "1.1", which must be ignored */
187 BER_BVSTR( &op->ors_attrs[i].an_name, LDAP_NO_ATTRS );
190 /* otherwise leave in place... */
195 if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
196 Debug( LDAP_DEBUG_ANY, "%s do_search: get_ctrls failed\n",
197 op->o_log_prefix, 0, 0 );
201 Debug( LDAP_DEBUG_ARGS, " attrs:", 0, 0, 0 );
204 for ( i = 0; i<siz; i++ ) {
205 Debug( LDAP_DEBUG_ARGS, " %s", op->ors_attrs[i].an_name.bv_val, 0, 0 );
209 Debug( LDAP_DEBUG_ARGS, "\n", 0, 0, 0 );
211 if ( StatslogTest( LDAP_DEBUG_STATS ) ) {
212 char abuf[BUFSIZ/2], *ptr = abuf;
213 unsigned len = 0, alen;
215 sprintf(abuf, "scope=%d deref=%d", op->ors_scope, op->ors_deref);
216 Statslog( LDAP_DEBUG_STATS,
217 "%s SRCH base=\"%s\" %s filter=\"%s\"\n",
218 op->o_log_prefix, op->o_req_dn.bv_val, abuf,
219 op->ors_filterstr.bv_val, 0 );
221 for ( i = 0; i<siz; i++ ) {
222 alen = op->ors_attrs[i].an_name.bv_len;
223 if (alen >= sizeof(abuf)) {
224 alen = sizeof(abuf)-1;
226 if (len && (len + 1 + alen >= sizeof(abuf))) {
227 Statslog( LDAP_DEBUG_STATS, "%s SRCH attr=%s\n",
228 op->o_log_prefix, abuf, 0, 0, 0 );
236 ptr = lutil_strncopy(ptr, op->ors_attrs[i].an_name.bv_val, alen);
241 Statslog( LDAP_DEBUG_STATS, "%s SRCH attr=%s\n",
242 op->o_log_prefix, abuf, 0, 0, 0 );
246 op->o_bd = frontendDB;
247 rs->sr_err = frontendDB->be_search( op, rs );
250 if ( !BER_BVISNULL( &op->o_req_dn ) ) {
251 slap_sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
253 if ( !BER_BVISNULL( &op->o_req_ndn ) ) {
254 slap_sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
256 if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
257 op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
259 if ( op->ors_filter != NULL) {
260 filter_free_x( op, op->ors_filter, 1 );
262 if ( op->ors_attrs != NULL ) {
263 op->o_tmpfree( op->ors_attrs, op->o_tmpmemctx );
270 fe_op_search( Operation *op, SlapReply *rs )
272 BackendDB *bd = op->o_bd;
274 if ( op->ors_scope == LDAP_SCOPE_BASE ) {
277 if ( BER_BVISEMPTY( &op->o_req_ndn ) ) {
278 #ifdef LDAP_CONNECTIONLESS
279 /* Ignore LDAPv2 CLDAP Root DSE queries */
280 if (op->o_protocol == LDAP_VERSION2 && op->o_conn->c_is_udp) {
284 /* check restrictions */
285 if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
286 send_ldap_result( op, rs );
290 rs->sr_err = root_dse_info( op->o_conn, &entry, &rs->sr_text );
292 } else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
293 /* check restrictions */
294 if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
295 send_ldap_result( op, rs );
299 rs->sr_err = schema_info( &entry, &rs->sr_text );
302 if( rs->sr_err != LDAP_SUCCESS ) {
303 send_ldap_result( op, rs );
306 } else if ( entry != NULL ) {
307 if ( get_assert( op ) &&
308 ( test_filter( op, entry, get_assertion( op )) != LDAP_COMPARE_TRUE )) {
309 rs->sr_err = LDAP_ASSERTION_FAILED;
313 rs->sr_err = test_filter( op, entry, op->ors_filter );
315 if( rs->sr_err == LDAP_COMPARE_TRUE ) {
316 /* note: we set no limits because either
317 * no limit is specified, or at least 1
318 * is specified, and we're going to return
319 * at most one entry */
320 op->ors_slimit = SLAP_NO_LIMIT;
321 op->ors_tlimit = SLAP_NO_LIMIT;
323 rs->sr_entry = entry;
324 rs->sr_attrs = op->ors_attrs;
325 rs->sr_operational_attrs = NULL;
327 send_search_entry( op, rs );
329 rs->sr_operational_attrs = NULL;
331 rs->sr_err = LDAP_SUCCESS;
334 send_ldap_result( op, rs );
339 if( BER_BVISEMPTY( &op->o_req_ndn ) && !BER_BVISEMPTY( &default_search_nbase ) ) {
340 slap_sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
341 slap_sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
343 ber_dupbv_x( &op->o_req_dn, &default_search_base, op->o_tmpmemctx );
344 ber_dupbv_x( &op->o_req_ndn, &default_search_nbase, op->o_tmpmemctx );
348 * We could be serving multiple database backends. Select the
349 * appropriate one, or send a referral to our "referral server"
350 * if we don't hold it.
353 op->o_bd = select_backend( &op->o_req_ndn, 1 );
354 if ( op->o_bd == NULL ) {
355 rs->sr_ref = referral_rewrite( default_referral,
356 NULL, &op->o_req_dn, op->ors_scope );
358 if (!rs->sr_ref) rs->sr_ref = default_referral;
359 rs->sr_err = LDAP_REFERRAL;
361 send_ldap_result( op, rs );
363 if (rs->sr_ref != default_referral)
364 ber_bvarray_free( rs->sr_ref );
369 /* check restrictions */
370 if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
371 send_ldap_result( op, rs );
375 /* check for referrals */
376 if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
380 if ( SLAP_SHADOW(op->o_bd) && get_dontUseCopy(op) ) {
381 /* don't use shadow copy */
382 BerVarray defref = op->o_bd->be_update_refs
383 ? op->o_bd->be_update_refs : default_referral;
385 if( defref != NULL ) {
386 rs->sr_ref = referral_rewrite( defref,
387 NULL, &op->o_req_dn, op->ors_scope );
388 if( !rs->sr_ref) rs->sr_ref = defref;
389 rs->sr_err = LDAP_REFERRAL;
390 send_ldap_result( op, rs );
392 if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
395 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
396 "copy not used; no referral information available" );
399 } else if ( op->o_bd->be_search ) {
400 if ( limits_check( op, rs ) == 0 ) {
401 /* actually do the search and send the result(s) */
402 (op->o_bd->be_search)( op, rs );
404 /* else limits_check() sends error */
407 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
408 "operation not supported within namingContext" );