/* search.c - ldbm backend search function */
/* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2004 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
Backend *be, Entry *e );
static ID_BLOCK *search_candidates(
- Backend *be, Entry *e, Filter *filter,
+ Operation *op, Entry *e, Filter *filter,
int scope, int deref, int manageDSAit );
ID id, cursor;
Entry *e;
Entry *matched = NULL;
- struct berval realbase = { 0, NULL };
+ struct berval realbase = BER_BVNULL;
int manageDSAit = get_manageDSAit( op );
- int cscope = LDAP_SCOPE_DEFAULT;
- int nentries = 0;
-#ifdef LDAP_CACHING
- Entry cache_base_entry;
-#endif /* LDAP_CACHING */
-
- struct slap_limits_set *limit = NULL;
- int isroot = 0;
-
#ifdef NEW_LOGGING
LDAP_LOG( BACK_LDBM, ENTRY, "ldbm_back_search: enter\n", 0, 0, 0 );
#else
/* grab giant lock for reading */
ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);
-#ifndef LDAP_CACHING
if ( op->o_req_ndn.bv_len == 0 ) {
/* DIT root special case */
e = (Entry *) &slap_entry_root;
/* need normalized dn below */
ber_dupbv( &realbase, &e->e_nname );
-#else /* LDAP_CACHING */
- if ( op->o_caching_on || op->o_req_ndn.bv_len == 0 ) {
- if (op->o_req_ndn.bv_len == 0) {
- e = (Entry *) &slap_entry_root;
- /* need normalized dn below */
- ber_dupbv( &realbase, &e->e_nname );
- } else {
- if ((scope == LDAP_SCOPE_BASE)
- && (e = dn2entry_r( op->o_bd, &op->o_req_ndn &matched )))
- {
- candidates = base_candidate(op->o_bd,e);
- cache_return_entry_r( &li->li_cache, e );
- goto searchit;
- }
- cache_base_entry.e_nname = *nbase;
- e = &cache_base_entry;
- }
-#endif /* LDAP_CACHING */
-
- candidates = search_candidates( op->o_bd, e, op->oq_search.rs_filter,
- op->oq_search.rs_scope, op->oq_search.rs_deref,
- manageDSAit || get_domainScope(op) );
+ candidates = search_candidates( op, e, op->ors_filter,
+ op->ors_scope, op->ors_deref,
+ manageDSAit || get_domainScope(op) );
goto searchit;
- } else if ( op->oq_search.rs_deref & LDAP_DEREF_FINDING ) {
+ } else if ( op->ors_deref & LDAP_DEREF_FINDING ) {
/* deref dn and get entry with reader lock */
- e = deref_dn_r( op->o_bd, &op->o_req_ndn, &rs->sr_err, &matched, &rs->sr_text );
+ e = deref_dn_r( op->o_bd, &op->o_req_ndn,
+ &rs->sr_err, &matched, &rs->sr_text );
if( rs->sr_err == LDAP_NO_SUCH_OBJECT ) rs->sr_err = LDAP_REFERRAL;
}
if ( e == NULL ) {
- struct berval matched_dn = { 0, NULL };
+ struct berval matched_dn = BER_BVNULL;
if ( matched != NULL ) {
BerVarray erefs;
if( erefs ) {
rs->sr_ref = referral_rewrite( erefs, &matched_dn,
- &op->o_req_dn, op->oq_search.rs_scope );
+ &op->o_req_dn, op->ors_scope );
ber_bvarray_free( erefs );
}
} else {
rs->sr_ref = referral_rewrite( default_referral,
- NULL, &op->o_req_dn, op->oq_search.rs_scope );
+ NULL, &op->o_req_dn, op->ors_scope );
}
ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
ber_bvarray_free( rs->sr_ref );
ber_memfree( matched_dn.bv_val );
- return 1;
+ rs->sr_ref = NULL;
+ rs->sr_matched = NULL;
+ return LDAP_REFERRAL;
}
if (!manageDSAit && is_entry_referral( e ) ) {
if( erefs ) {
rs->sr_ref = referral_rewrite( erefs, &matched_dn,
- &op->o_req_dn, op->oq_search.rs_scope );
+ &op->o_req_dn, op->ors_scope );
ber_bvarray_free( erefs );
}
}
ber_memfree( matched_dn.bv_val );
- return 1;
+ rs->sr_ref = NULL;
+ rs->sr_matched = NULL;
+ return LDAP_OTHER;
}
if ( is_entry_alias( e ) ) {
/* don't deref */
- op->oq_search.rs_deref = LDAP_DEREF_NEVER;
+ op->ors_deref = LDAP_DEREF_NEVER;
}
- if ( op->oq_search.rs_scope == LDAP_SCOPE_BASE ) {
- cscope = LDAP_SCOPE_BASE;
+ if ( op->ors_scope == LDAP_SCOPE_BASE ) {
candidates = base_candidate( op->o_bd, e );
} else {
- cscope = ( op->oq_search.rs_scope != LDAP_SCOPE_SUBTREE )
- ? LDAP_SCOPE_BASE : LDAP_SCOPE_SUBTREE;
- candidates = search_candidates( op->o_bd, e, op->oq_search.rs_filter,
- op->oq_search.rs_scope, op->oq_search.rs_deref, manageDSAit );
+ candidates = search_candidates( op, e, op->ors_filter,
+ op->ors_scope, op->ors_deref, manageDSAit );
}
/* need normalized dn below */
Debug( LDAP_DEBUG_TRACE, "ldbm_search: no candidates\n",
0, 0, 0 );
#endif
-#ifdef LDAP_CACHING
- if ( op->o_caching_on ) {
- ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
- }
-#endif /* LDAP_CACHING */
rs->sr_err = LDAP_SUCCESS;
- send_search_result( op, rs );
-
-#ifdef LDAP_CACHING
- if ( op->o_caching_on ) {
- ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);
- }
-#endif /* LDAP_CACHING */
+ send_ldap_result( op, rs );
- rc = 1;
+ rc = LDAP_SUCCESS;
goto done;
}
- /* if not root, get appropriate limits */
-#ifndef LDAP_CACHING
- if ( be_isroot( op->o_bd, &op->o_ndn ) )
-#else /* LDAP_CACHING */
- if ( op->o_caching_on || be_isroot( op->o_bd, &op->o_ndn ) )
-#endif /* LDAP_CACHING */
- {
- /*
- * FIXME: I'd consider this dangerous if someone
- * uses isroot for anything but handling limits
- */
- isroot = 1;
- } else {
- ( void ) get_limits( op->o_bd, &op->o_ndn, &limit );
- }
-
/* if candidates exceed to-be-checked entries, abort */
- if ( !isroot && limit->lms_s_unchecked != -1 ) {
- if ( ID_BLOCK_NIDS( candidates ) > (unsigned) limit->lms_s_unchecked ) {
- send_ldap_error( op, rs, LDAP_ADMINLIMIT_EXCEEDED,
- NULL );
- rc = 0;
- goto done;
- }
+ if ( op->ors_limit /* isroot == FALSE */
+ && op->ors_limit->lms_s_unchecked != -1
+ && ID_BLOCK_NIDS( candidates ) > (unsigned) op->ors_limit->lms_s_unchecked )
+ {
+ send_ldap_error( op, rs, LDAP_ADMINLIMIT_EXCEEDED, NULL );
+ rc = LDAP_SUCCESS;
+ goto done;
}
- /* if root an no specific limit is required, allow unlimited search */
- if ( isroot ) {
- if ( op->oq_search.rs_tlimit == 0 ) {
- op->oq_search.rs_tlimit = -1;
- }
-
- if ( op->oq_search.rs_slimit == 0 ) {
- op->oq_search.rs_slimit = -1;
- }
-
- } else {
- /* if no limit is required, use soft limit */
- if ( op->oq_search.rs_tlimit <= 0 ) {
- op->oq_search.rs_tlimit = limit->lms_t_soft;
-
- /* if requested limit higher than hard limit, abort */
- } else if ( op->oq_search.rs_tlimit > limit->lms_t_hard ) {
- /* no hard limit means use soft instead */
- if ( limit->lms_t_hard == 0
- && limit->lms_t_soft > -1
- && op->oq_search.rs_tlimit > limit->lms_t_soft ) {
- op->oq_search.rs_tlimit = limit->lms_t_soft;
-
- /* positive hard limit means abort */
- } else if ( limit->lms_t_hard > 0 ) {
- send_ldap_error( op, rs,
- LDAP_ADMINLIMIT_EXCEEDED,
- NULL );
- rc = 0;
- goto done;
- }
-
- /* negative hard limit means no limit */
- }
-
- /* if no limit is required, use soft limit */
- if ( op->oq_search.rs_slimit <= 0 ) {
- op->oq_search.rs_slimit = limit->lms_s_soft;
-
- /* if requested limit higher than hard limit, abort */
- } else if ( op->oq_search.rs_slimit > limit->lms_s_hard ) {
- /* no hard limit means use soft instead */
- if ( limit->lms_s_hard == 0
- && limit->lms_s_soft > -1
- && op->oq_search.rs_slimit > limit->lms_s_soft ) {
- op->oq_search.rs_slimit = limit->lms_s_soft;
-
- /* positive hard limit means abort */
- } else if ( limit->lms_s_hard > 0 ) {
- send_ldap_error( op, rs,
- LDAP_ADMINLIMIT_EXCEEDED,
- NULL );
- rc = 0;
- goto done;
- }
-
- /* negative hard limit means no limit */
- }
- }
-
/* compute it anyway; root does not use it */
- stoptime = op->o_time + op->oq_search.rs_tlimit;
- rs->sr_attrs = op->oq_search.rs_attrs;
+ stoptime = op->o_time + op->ors_tlimit;
+ rs->sr_attrs = op->ors_attrs;
for ( id = idl_firstid( candidates, &cursor ); id != NOID;
id = idl_nextid( candidates, &cursor ) )
/* check for abandon */
if ( op->o_abandon ) {
- rc = 0;
+ rc = LDAP_SUCCESS;
goto done;
}
/* check time limit */
- if ( op->oq_search.rs_tlimit != -1 && slap_get_time() > stoptime ) {
+ if ( op->ors_tlimit != SLAP_NO_LIMIT
+ && slap_get_time() > stoptime )
+ {
rs->sr_err = LDAP_TIMELIMIT_EXCEEDED;
- rs->sr_nentries = nentries;
- send_search_result( op, rs );
- rc = 0;
+ send_ldap_result( op, rs );
+ rc = LDAP_SUCCESS;
goto done;
}
}
rs->sr_entry = e;
-#ifdef LDAP_CACHING
- if ( !op->o_caching_on ) {
-#endif /* LDAP_CACHING */
- if ( op->oq_search.rs_deref & LDAP_DEREF_SEARCHING && is_entry_alias( e ) ) {
+#ifdef LDBM_SUBENTRIES
+ if ( is_entry_subentry( e ) ) {
+ if( op->ors_scope != LDAP_SCOPE_BASE ) {
+ if(!get_subentries_visibility( op )) {
+ /* only subentries are visible */
+ goto loop_continue;
+ }
+ } else if ( get_subentries( op ) &&
+ !get_subentries_visibility( op ))
+ {
+ /* only subentries are visible */
+ goto loop_continue;
+ }
+ } else if ( get_subentries_visibility( op )) {
+ /* only subentries are visible */
+ goto loop_continue;
+ }
+#endif
+
+ if ( op->ors_deref & LDAP_DEREF_SEARCHING &&
+ is_entry_alias( e ) )
+ {
Entry *matched;
int err;
const char *text;
}
/* need to skip alias which deref into scope */
- if( op->oq_search.rs_scope & LDAP_SCOPE_ONELEVEL ) {
+ if( op->ors_scope == LDAP_SCOPE_ONELEVEL ) {
struct berval pdn;
dnParent( &e->e_nname, &pdn );
if ( ber_bvcmp( &pdn, &realbase ) ) {
/* alias is within scope */
#ifdef NEW_LOGGING
LDAP_LOG( BACK_LDBM, DETAIL1,
- "ldbm_search: alias \"%s\" in subtree\n", e->e_dn, 0, 0 );
+ "ldbm_search: alias \"%s\" in subtree\n",
+ e->e_dn, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"ldbm_search: alias \"%s\" in subtree\n",
}
/*
- * if it's a referral, add it to the list of referrals. only do
- * this for non-base searches, and don't check the filter
- * explicitly here since it's only a candidate anyway.
+ * If it's a referral, add it to the list of referrals.
+ * Only do this for non-base searches, and don't check
+ * the filter explicitly here since it's only a candidate
+ * anyway.
*/
- if ( !manageDSAit && op->oq_search.rs_scope != LDAP_SCOPE_BASE &&
+ if ( !manageDSAit && op->ors_scope != LDAP_SCOPE_BASE &&
is_entry_referral( e ) )
{
struct berval dn;
/* check scope */
- if ( !scopeok && op->oq_search.rs_scope == LDAP_SCOPE_ONELEVEL ) {
+ if ( !scopeok && op->ors_scope == LDAP_SCOPE_ONELEVEL ) {
if ( !be_issuffix( op->o_bd, &e->e_nname ) ) {
dnParent( &e->e_nname, &dn );
scopeok = dn_match( &dn, &realbase );
scopeok = (realbase.bv_len == 0);
}
- } else if ( !scopeok && op->oq_search.rs_scope == LDAP_SCOPE_SUBTREE ) {
+ } else if ( !scopeok
+ && op->ors_scope == LDAP_SCOPE_SUBTREE )
+ {
scopeok = dnIsSuffix( &e->e_nname, &realbase );
+#ifdef LDAP_SCOPE_SUBORDINATE
+ } else if ( !scopeok
+ && op->ors_scope == LDAP_SCOPE_SUBORDINATE )
+ {
+ scopeok = !dn_match( &e->e_nname, &realbase )
+ && dnIsSuffix( &e->e_nname, &realbase );
+#endif
+
} else {
scopeok = 1;
}
BerVarray erefs = get_entry_referrals( op, e );
rs->sr_ref = referral_rewrite( erefs,
&e->e_name, NULL,
- op->oq_search.rs_scope == LDAP_SCOPE_SUBTREE
- ? LDAP_SCOPE_SUBTREE
- : LDAP_SCOPE_BASE );
+ op->ors_scope == LDAP_SCOPE_ONELEVEL
+ ? LDAP_SCOPE_BASE
+ : LDAP_SCOPE_SUBTREE );
send_search_reference( op, rs );
goto loop_continue;
}
-#ifdef LDAP_CACHING
+ if ( !manageDSAit && is_entry_glue( e )) {
+ goto loop_continue;
}
-#endif /* LDAP_CACHING */
/* if it matches the filter and scope, send it */
- result = test_filter( op, e, op->oq_search.rs_filter );
+ result = test_filter( op, e, op->ors_filter );
if ( result == LDAP_COMPARE_TRUE ) {
struct berval dn;
/* check scope */
- if ( !scopeok && op->oq_search.rs_scope == LDAP_SCOPE_ONELEVEL ) {
+ if ( !scopeok && op->ors_scope == LDAP_SCOPE_ONELEVEL ) {
if ( !be_issuffix( op->o_bd, &e->e_nname ) ) {
dnParent( &e->e_nname, &dn );
scopeok = dn_match( &dn, &realbase );
scopeok = (realbase.bv_len == 0);
}
- } else if ( !scopeok && op->oq_search.rs_scope == LDAP_SCOPE_SUBTREE ) {
+ } else if ( !scopeok &&
+ op->ors_scope == LDAP_SCOPE_SUBTREE )
+ {
scopeok = dnIsSuffix( &e->e_nname, &realbase );
+#ifdef LDAP_SCOPE_SUBORDINATE
+ } else if ( !scopeok &&
+ op->ors_scope == LDAP_SCOPE_SUBORDINATE )
+ {
+ scopeok = !dn_match( &e->e_nname, &realbase )
+ && dnIsSuffix( &e->e_nname, &realbase );
+#endif
+
} else {
scopeok = 1;
}
if ( scopeok ) {
/* check size limit */
- if ( --op->oq_search.rs_slimit == -1 ) {
+ if ( --op->ors_slimit == -1 ) {
cache_return_entry_r( &li->li_cache, e );
rs->sr_err = LDAP_SIZELIMIT_EXCEEDED;
- rs->sr_nentries = nentries;
- send_search_result( op, rs );
- rc = 0;
+ rs->sr_entry = NULL;
+ send_ldap_result( op, rs );
+ rc = LDAP_SUCCESS;
goto done;
}
if (e) {
-
-#ifdef LDAP_CACHING
- if ( op->o_caching_on ) {
- ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
- cache_return_entry_r( &li->li_cache, e );
- }
-#endif /* LDAP_CACHING */
-
+ rs->sr_flags = 0;
result = send_search_entry( op, rs );
-#ifdef LDAP_CACHING
- if ( op->o_caching_on ) {
- ldap_pvt_thread_rdwr_rlock( &li->li_giant_rwlock );
- }
-#endif /* LDAP_CACHING */
-
-
switch (result) {
case 0: /* entry sent ok */
- nentries++;
break;
case 1: /* entry not sent */
break;
case -1: /* connection closed */
cache_return_entry_r( &li->li_cache, e );
- rc = 0;
+ rc = LDAP_SUCCESS;
goto done;
}
}
+
} else {
#ifdef NEW_LOGGING
LDAP_LOG( BACK_LDBM, DETAIL2,
loop_continue:
if( e != NULL ) {
/* free reader lock */
-#ifndef LDAP_CACHING
cache_return_entry_r( &li->li_cache, e );
-#else /* LDAP_CACHING */
- if ( !op->o_caching_on ) {
- cache_return_entry_r( &li->li_cache, e );
- }
-#endif /* LDAP_CACHING */
}
ldap_pvt_thread_yield();
rs->sr_err = rs->sr_v2ref ? LDAP_REFERRAL : LDAP_SUCCESS;
rs->sr_ref = rs->sr_v2ref;
- rs->sr_nentries = nentries;
- send_search_result( op, rs );
+ send_ldap_result( op, rs );
- rc = 0;
+ rc = LDAP_SUCCESS;
done:
ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
static ID_BLOCK *
search_candidates(
- Backend *be,
+ Operation *op,
Entry *e,
Filter *filter,
int scope,
AttributeAssertion aa_ref, aa_alias;
struct berval bv_ref = { sizeof("referral")-1, "referral" };
struct berval bv_alias = { sizeof("alias")-1, "alias" };
+#ifdef LDBM_SUBENTRIES
+ Filter sf;
+ AttributeAssertion aa_subentry;
+#endif
#ifdef NEW_LOGGING
LDAP_LOG( BACK_LDBM, DETAIL1,
- "search_candidates: base (%s) scope %d deref %d\n",
- e->e_ndn, scope, deref );
+ "search_candidates: base (%s) scope %d deref %d\n",
+ e->e_ndn, scope, deref );
#else
Debug(LDAP_DEBUG_TRACE,
"search_candidates: base=\"%s\" s=%d d=%d\n",
f.f_next = NULL;
f.f_choice = LDAP_FILTER_AND;
f.f_and = &fand;
- fand.f_choice = scope == LDAP_SCOPE_SUBTREE
- ? SLAPD_FILTER_DN_SUBTREE
- : SLAPD_FILTER_DN_ONE;
+ fand.f_choice = scope == LDAP_SCOPE_ONELEVEL
+ ? SLAPD_FILTER_DN_ONE
+ : SLAPD_FILTER_DN_SUBTREE;
fand.f_dn = &e->e_nname;
fand.f_next = xf.f_or == filter ? filter : &xf ;
- candidates = filter_candidates( be, &f );
+#ifdef LDBM_SUBENTRIES
+ if ( get_subentries_visibility( op )) {
+ struct berval bv_subentry = { sizeof("SUBENTRY")-1, "SUBENTRY" };
+ sf.f_choice = LDAP_FILTER_EQUALITY;
+ sf.f_ava = &aa_subentry;
+ sf.f_av_desc = slap_schema.si_ad_objectClass;
+ sf.f_av_value = bv_subentry;
+ sf.f_next = fand.f_next;
+ fand.f_next = &sf;
+ }
+#endif
+ candidates = filter_candidates( op, &f );
return( candidates );
}