X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fback-ldbm%2Fsearch.c;h=e2e5b113c9bbf82dc9031ab4de6ed2164026e5a3;hb=1586a68219cf85e9caaafcf2259c9bc249358077;hp=79c0d412bbe0142b485382830af90625f5cdae35;hpb=6939c531700652491f4be4688c6a1f35a1ab8a18;p=openldap diff --git a/servers/slapd/back-ldbm/search.c b/servers/slapd/back-ldbm/search.c index 79c0d412bb..e2e5b113c9 100644 --- a/servers/slapd/back-ldbm/search.c +++ b/servers/slapd/back-ldbm/search.c @@ -1,8 +1,17 @@ /* 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 . + * + * Copyright 1998-2003 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 + * . */ #include "portable.h" @@ -20,37 +29,24 @@ static ID_BLOCK *base_candidate( 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 ); int ldbm_back_search( - Backend *be, - Connection *conn, Operation *op, - struct berval *base, - struct berval *nbase, - int scope, - int deref, - int slimit, - int tlimit, - Filter *filter, - struct berval *filterstr, - AttributeName *attrs, - int attrsonly ) + SlapReply *rs ) { - struct ldbminfo *li = (struct ldbminfo *) be->be_private; + struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private; int rc, err; const char *text = NULL; time_t stoptime; ID_BLOCK *candidates; ID id, cursor; Entry *e; - BerVarray v2refs = NULL; Entry *matched = NULL; struct berval realbase = { 0, NULL }; - int nentries = 0; int manageDSAit = get_manageDSAit( op ); int cscope = LDAP_SCOPE_DEFAULT; @@ -66,76 +62,77 @@ ldbm_back_search( /* grab giant lock for reading */ ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock); - if ( nbase->bv_len == 0 ) { + 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 ); - candidates = search_candidates( be, e, filter, - scope, deref, manageDSAit ); + candidates = search_candidates( op, e, op->oq_search.rs_filter, + op->oq_search.rs_scope, op->oq_search.rs_deref, + manageDSAit || get_domainScope(op) ); goto searchit; - } else if ( deref & LDAP_DEREF_FINDING ) { + } else if ( op->oq_search.rs_deref & LDAP_DEREF_FINDING ) { /* deref dn and get entry with reader lock */ - e = deref_dn_r( be, nbase, &err, &matched, &text ); + e = deref_dn_r( op->o_bd, &op->o_req_ndn, &rs->sr_err, &matched, &rs->sr_text ); - if( err == LDAP_NO_SUCH_OBJECT ) err = LDAP_REFERRAL; + if( rs->sr_err == LDAP_NO_SUCH_OBJECT ) rs->sr_err = LDAP_REFERRAL; } else { /* get entry with reader lock */ - e = dn2entry_r( be, nbase, &matched ); - err = e != NULL ? LDAP_SUCCESS : LDAP_REFERRAL; - text = NULL; + e = dn2entry_r( op->o_bd, &op->o_req_ndn, &matched ); + rs->sr_err = e != NULL ? LDAP_SUCCESS : LDAP_REFERRAL; + rs->sr_text = NULL; } if ( e == NULL ) { struct berval matched_dn = { 0, NULL }; - BerVarray refs = NULL; if ( matched != NULL ) { BerVarray erefs; ber_dupbv( &matched_dn, &matched->e_name ); erefs = is_entry_referral( matched ) - ? get_entry_referrals( be, conn, op, matched ) + ? get_entry_referrals( op, matched ) : NULL; cache_return_entry_r( &li->li_cache, matched ); if( erefs ) { - refs = referral_rewrite( erefs, &matched_dn, - base, scope ); + rs->sr_ref = referral_rewrite( erefs, &matched_dn, + &op->o_req_dn, op->oq_search.rs_scope ); ber_bvarray_free( erefs ); } } else { - refs = referral_rewrite( default_referral, - NULL, base, scope ); + rs->sr_ref = referral_rewrite( default_referral, + NULL, &op->o_req_dn, op->oq_search.rs_scope ); } ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock); - send_ldap_result( conn, op, err, matched_dn.bv_val, - text, refs, NULL ); + rs->sr_matched = matched_dn.bv_val; + send_ldap_result( op, rs ); - ber_bvarray_free( refs ); + 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 ) ) { /* entry is a referral, don't allow add */ struct berval matched_dn; BerVarray erefs; - BerVarray refs; ber_dupbv( &matched_dn, &e->e_name ); - erefs = get_entry_referrals( be, conn, op, e ); - refs = NULL; + erefs = get_entry_referrals( op, e ); + rs->sr_ref = NULL; cache_return_entry_r( &li->li_cache, e ); ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock); @@ -151,41 +148,43 @@ ldbm_back_search( #endif if( erefs ) { - refs = referral_rewrite( erefs, &matched_dn, - base, scope ); + rs->sr_ref = referral_rewrite( erefs, &matched_dn, + &op->o_req_dn, op->oq_search.rs_scope ); ber_bvarray_free( erefs ); } - if( refs ) { - send_ldap_result( conn, op, LDAP_REFERRAL, - matched_dn.bv_val, NULL, refs, NULL ); - ber_bvarray_free( refs ); + rs->sr_matched = matched_dn.bv_val; + if( rs->sr_ref ) { + rs->sr_err = LDAP_REFERRAL; + send_ldap_result( op, rs ); + ber_bvarray_free( rs->sr_ref ); } else { - send_ldap_result( conn, op, LDAP_OTHER, - matched_dn.bv_val, - "bad referral object", NULL, NULL ); + send_ldap_error( op, rs, LDAP_OTHER, + "bad referral object" ); } 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 */ - deref = LDAP_DEREF_NEVER; + op->oq_search.rs_deref = LDAP_DEREF_NEVER; } - if ( scope == LDAP_SCOPE_BASE ) { + if ( op->oq_search.rs_scope == LDAP_SCOPE_BASE ) { cscope = LDAP_SCOPE_BASE; - candidates = base_candidate( be, e ); + candidates = base_candidate( op->o_bd, e ); } else { - cscope = ( scope != LDAP_SCOPE_SUBTREE ) + cscope = ( op->oq_search.rs_scope != LDAP_SCOPE_SUBTREE ) ? LDAP_SCOPE_BASE : LDAP_SCOPE_SUBTREE; - candidates = search_candidates( be, e, filter, - scope, deref, manageDSAit ); + candidates = search_candidates( op, e, op->oq_search.rs_filter, + op->oq_search.rs_scope, op->oq_search.rs_deref, manageDSAit ); } /* need normalized dn below */ @@ -204,60 +203,64 @@ searchit: 0, 0, 0 ); #endif - send_search_result( conn, op, - LDAP_SUCCESS, - NULL, NULL, NULL, NULL, 0 ); + rs->sr_err = LDAP_SUCCESS; + send_ldap_result( op, rs ); - rc = 1; + rc = LDAP_SUCCESS; goto done; } /* if not root, get appropriate limits */ - if ( be_isroot( be, &op->o_ndn ) ) { + if ( be_isroot( op->o_bd, &op->o_ndn ) ) + { + /* + * FIXME: I'd consider this dangerous if someone + * uses isroot for anything but handling limits + */ isroot = 1; } else { - ( void ) get_limits( be, &op->o_ndn, &limit ); + ( 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_search_result( conn, op, LDAP_ADMINLIMIT_EXCEEDED, - NULL, NULL, NULL, NULL, 0 ); - rc = 0; + 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 ( tlimit == 0 ) { - tlimit = -1; + if ( op->oq_search.rs_tlimit == 0 ) { + op->oq_search.rs_tlimit = -1; } - if ( slimit == 0 ) { - slimit = -1; + if ( op->oq_search.rs_slimit == 0 ) { + op->oq_search.rs_slimit = -1; } } else { /* if no limit is required, use soft limit */ - if ( tlimit <= 0 ) { - tlimit = limit->lms_t_soft; + 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 ( tlimit > limit->lms_t_hard ) { + } 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 - && tlimit > limit->lms_t_soft ) { - tlimit = limit->lms_t_soft; + && 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_search_result( conn, op, + send_ldap_error( op, rs, LDAP_ADMINLIMIT_EXCEEDED, - NULL, NULL, NULL, NULL, 0 ); - rc = 0; + NULL ); + rc = LDAP_SUCCESS; goto done; } @@ -265,23 +268,23 @@ searchit: } /* if no limit is required, use soft limit */ - if ( slimit <= 0 ) { - slimit = limit->lms_s_soft; + 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 ( slimit > limit->lms_s_hard ) { + } 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 - && slimit > limit->lms_s_soft ) { - slimit = limit->lms_s_soft; + && 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_search_result( conn, op, + send_ldap_error( op, rs, LDAP_ADMINLIMIT_EXCEEDED, - NULL, NULL, NULL, NULL, 0 ); - rc = 0; + NULL ); + rc = LDAP_SUCCESS; goto done; } @@ -290,7 +293,8 @@ searchit: } /* compute it anyway; root does not use it */ - stoptime = op->o_time + tlimit; + stoptime = op->o_time + op->oq_search.rs_tlimit; + rs->sr_attrs = op->oq_search.rs_attrs; for ( id = idl_firstid( candidates, &cursor ); id != NOID; id = idl_nextid( candidates, &cursor ) ) @@ -300,20 +304,20 @@ searchit: /* check for abandon */ if ( op->o_abandon ) { - rc = 0; + rc = LDAP_SUCCESS; goto done; } /* check time limit */ - if ( tlimit != -1 && slap_get_time() > stoptime ) { - send_search_result( conn, op, LDAP_TIMELIMIT_EXCEEDED, - NULL, NULL, v2refs, NULL, nentries ); - rc = 0; + if ( op->oq_search.rs_tlimit != -1 && slap_get_time() > stoptime ) { + rs->sr_err = LDAP_TIMELIMIT_EXCEEDED; + send_ldap_result( op, rs ); + rc = LDAP_SUCCESS; goto done; } /* get the entry with reader lock */ - e = id2entry_r( be, id ); + e = id2entry_r( op->o_bd, id ); if ( e == NULL ) { #ifdef NEW_LOGGING @@ -328,12 +332,33 @@ searchit: goto loop_continue; } - if ( deref & LDAP_DEREF_SEARCHING && is_entry_alias( e ) ) { + rs->sr_entry = e; + +#ifdef LDBM_SUBENTRIES + if ( is_entry_subentry( e ) ) { + if( op->oq_search.rs_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->oq_search.rs_deref & LDAP_DEREF_SEARCHING && is_entry_alias( e ) ) { Entry *matched; int err; const char *text; - e = deref_entry_r( be, e, &err, &matched, &text ); + e = deref_entry_r( op->o_bd, e, &err, &matched, &text ); if( e == NULL ) { e = matched; @@ -346,7 +371,7 @@ searchit: } /* need to skip alias which deref into scope */ - if( scope & LDAP_SCOPE_ONELEVEL ) { + if( op->oq_search.rs_scope & LDAP_SCOPE_ONELEVEL ) { struct berval pdn; dnParent( &e->e_nname, &pdn ); if ( ber_bvcmp( &pdn, &realbase ) ) { @@ -367,6 +392,8 @@ searchit: goto loop_continue; } + rs->sr_entry = e; + scopeok = 1; } @@ -375,21 +402,21 @@ searchit: * this for non-base searches, and don't check the filter * explicitly here since it's only a candidate anyway. */ - if ( !manageDSAit && scope != LDAP_SCOPE_BASE && + if ( !manageDSAit && op->oq_search.rs_scope != LDAP_SCOPE_BASE && is_entry_referral( e ) ) { struct berval dn; /* check scope */ - if ( !scopeok && scope == LDAP_SCOPE_ONELEVEL ) { - if ( !be_issuffix( be, &e->e_nname ) ) { + if ( !scopeok && op->oq_search.rs_scope == LDAP_SCOPE_ONELEVEL ) { + if ( !be_issuffix( op->o_bd, &e->e_nname ) ) { dnParent( &e->e_nname, &dn ); scopeok = dn_match( &dn, &realbase ); } else { scopeok = (realbase.bv_len == 0); } - } else if ( !scopeok && scope == LDAP_SCOPE_SUBTREE ) { + } else if ( !scopeok && op->oq_search.rs_scope == LDAP_SCOPE_SUBTREE ) { scopeok = dnIsSuffix( &e->e_nname, &realbase ); } else { @@ -397,18 +424,17 @@ searchit: } if( scopeok ) { - BerVarray erefs = get_entry_referrals( - be, conn, op, e ); - BerVarray refs = referral_rewrite( erefs, + BerVarray erefs = get_entry_referrals( op, e ); + rs->sr_ref = referral_rewrite( erefs, &e->e_name, NULL, - scope == LDAP_SCOPE_SUBTREE + op->oq_search.rs_scope == LDAP_SCOPE_SUBTREE ? LDAP_SCOPE_SUBTREE : LDAP_SCOPE_BASE ); - send_search_reference( be, conn, op, - e, refs, NULL, &v2refs ); + send_search_reference( op, rs ); - ber_bvarray_free( refs ); + ber_bvarray_free( rs->sr_ref ); + rs->sr_ref = NULL; } else { #ifdef NEW_LOGGING @@ -425,22 +451,26 @@ searchit: goto loop_continue; } + if ( !manageDSAit && is_entry_glue( e )) { + goto loop_continue; + } + /* if it matches the filter and scope, send it */ - result = test_filter( be, conn, op, e, filter ); + result = test_filter( op, e, op->oq_search.rs_filter ); if ( result == LDAP_COMPARE_TRUE ) { struct berval dn; /* check scope */ - if ( !scopeok && scope == LDAP_SCOPE_ONELEVEL ) { - if ( !be_issuffix( be, &e->e_nname ) ) { + if ( !scopeok && op->oq_search.rs_scope == LDAP_SCOPE_ONELEVEL ) { + if ( !be_issuffix( op->o_bd, &e->e_nname ) ) { dnParent( &e->e_nname, &dn ); scopeok = dn_match( &dn, &realbase ); } else { scopeok = (realbase.bv_len == 0); } - } else if ( !scopeok && scope == LDAP_SCOPE_SUBTREE ) { + } else if ( !scopeok && op->oq_search.rs_scope == LDAP_SCOPE_SUBTREE ) { scopeok = dnIsSuffix( &e->e_nname, &realbase ); } else { @@ -449,28 +479,26 @@ searchit: if ( scopeok ) { /* check size limit */ - if ( --slimit == -1 ) { + if ( --op->oq_search.rs_slimit == -1 ) { cache_return_entry_r( &li->li_cache, e ); - send_search_result( conn, op, - LDAP_SIZELIMIT_EXCEEDED, NULL, NULL, - v2refs, NULL, nentries ); - rc = 0; + rs->sr_err = LDAP_SIZELIMIT_EXCEEDED; + send_ldap_result( op, rs ); + rc = LDAP_SUCCESS; goto done; } if (e) { - result = send_search_entry(be, conn, op, - e, attrs, attrsonly, NULL); + + result = send_search_entry( op, rs ); 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; } } @@ -507,11 +535,11 @@ loop_continue: ldap_pvt_thread_yield(); } - send_search_result( conn, op, - v2refs == NULL ? LDAP_SUCCESS : LDAP_REFERRAL, - NULL, NULL, v2refs, NULL, nentries ); + rs->sr_err = rs->sr_v2ref ? LDAP_REFERRAL : LDAP_SUCCESS; + rs->sr_ref = rs->sr_v2ref; + send_ldap_result( op, rs ); - rc = 0; + rc = LDAP_SUCCESS; done: ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock); @@ -519,7 +547,7 @@ done: if( candidates != NULL ) idl_free( candidates ); - if( v2refs ) ber_bvarray_free( v2refs ); + if( rs->sr_v2ref ) ber_bvarray_free( rs->sr_v2ref ); if( realbase.bv_val ) free( realbase.bv_val ); return rc; @@ -548,7 +576,7 @@ base_candidate( static ID_BLOCK * search_candidates( - Backend *be, + Operation *op, Entry *e, Filter *filter, int scope, @@ -560,6 +588,10 @@ search_candidates( 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, @@ -605,7 +637,19 @@ search_candidates( 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 ); }