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openldap/servers/slapd/back-bdb/lcup.c
Kurt Zeilenga 6939c53170 Happy new year
2003-01-03 20:20:47 +00:00

1038 lines
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/* lcup.c - lcup operations */
/* $OpenLDAP$ */
/*
* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include "back-bdb.h"
#include "idl.h"
#include "external.h"
#ifdef LDAP_CLIENT_UPDATE
static int psearch_base_candidate(
BackendDB *be,
Entry *e,
ID *ids );
static int psearch_candidates(
BackendDB *be,
Operation *op,
Entry *e,
Filter *filter,
int scope,
int deref,
ID *ids );
int
bdb_abandon(
BackendDB *be,
Connection *conn,
ber_int_t id )
{
Operation *ps_list;
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
LDAP_LIST_FOREACH ( ps_list, &bdb->psearch_list, link ) {
if ( ps_list->o_connid == conn->c_connid ) {
if ( ps_list->o_msgid == id ) {
ps_list->o_abandon = 1;
LDAP_LIST_REMOVE( ps_list, link );
slap_op_free ( ps_list );
return LDAP_SUCCESS;
}
}
}
return LDAP_UNAVAILABLE;
}
int
bdb_add_psearch_spec(
BackendDB *be,
Connection *conn,
Operation *op,
struct berval *base,
struct berval *nbase,
int scope,
int deref,
int slimit,
int tlimit,
Filter *filter,
struct berval *fstr,
AttributeName *attrs,
int attrsonly )
{
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
LDAP_LIST_FIRST(&op->psearch_spec) = (struct lcup_search_spec *)
calloc ( 1, sizeof ( struct lcup_search_spec ) );
LDAP_LIST_FIRST(&op->psearch_spec)->op = op;
LDAP_LIST_FIRST(&op->psearch_spec)->base = ber_dupbv(NULL, base);
LDAP_LIST_FIRST(&op->psearch_spec)->nbase = ber_dupbv(NULL, nbase);
LDAP_LIST_FIRST(&op->psearch_spec)->scope = scope;
LDAP_LIST_FIRST(&op->psearch_spec)->deref = deref;
LDAP_LIST_FIRST(&op->psearch_spec)->slimit = slimit;
LDAP_LIST_FIRST(&op->psearch_spec)->tlimit = tlimit;
LDAP_LIST_FIRST(&op->psearch_spec)->filter = filter;
LDAP_LIST_FIRST(&op->psearch_spec)->filterstr = ber_dupbv(NULL, fstr);
LDAP_LIST_FIRST(&op->psearch_spec)->attrs = attrs;
LDAP_LIST_FIRST(&op->psearch_spec)->attrsonly = attrsonly;
LDAP_LIST_FIRST(&op->psearch_spec)->entry_count = 0;
LDAP_LIST_INSERT_HEAD( &bdb->psearch_list, op, link );
}
int
bdb_psearch(
BackendDB *be,
Connection *conn,
Operation *op,
Operation *ps_op,
Entry *entry,
int psearch_type )
{
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
int rc;
const char *text = NULL;
time_t stoptime;
unsigned cursor;
ID id;
ID candidates[BDB_IDL_UM_SIZE];
Entry *e = NULL;
BerVarray v2refs = NULL;
Entry *matched = NULL;
struct berval realbase = { 0, NULL };
int nentries = 0;
int manageDSAit;
Filter lcupf, csnfnot, csnfeq, csnfand, csnfge;
AttributeAssertion aa_ge, aa_eq;
struct berval entrycsn_bv = { 0, NULL };
struct berval latest_entrycsn_bv = { 0, NULL };
struct slap_limits_set *limit = NULL;
int isroot = 0;
int scopeok = 0;
u_int32_t locker;
DB_LOCK lock;
Connection *ps_conn = ps_op->o_conn;
struct berval *base = LDAP_LIST_FIRST(&ps_op->psearch_spec)->base;
struct berval *nbase = LDAP_LIST_FIRST(&ps_op->psearch_spec)->nbase;
int scope = LDAP_LIST_FIRST(&ps_op->psearch_spec)->scope;
int deref = LDAP_LIST_FIRST(&ps_op->psearch_spec)->deref;
int slimit = LDAP_LIST_FIRST(&ps_op->psearch_spec)->slimit;
int tlimit = LDAP_LIST_FIRST(&ps_op->psearch_spec)->tlimit;
Filter *filter = LDAP_LIST_FIRST(&ps_op->psearch_spec)->filter;
struct berval *filterstr = LDAP_LIST_FIRST(&ps_op->psearch_spec)->filterstr;
int attrsonly = LDAP_LIST_FIRST(&ps_op->psearch_spec)->attrsonly;
AttributeName uuid_attr[2];
AttributeName *attrs = uuid_attr;
if ( psearch_type != LCUP_PSEARCH_BY_DELETE &&
psearch_type != LCUP_PSEARCH_BY_SCOPEOUT )
{
attrs = LDAP_LIST_FIRST(&ps_op->psearch_spec)->attrs;
} else {
attrs[0].an_desc = slap_schema.si_ad_entryUUID;
attrs[0].an_oc = NULL;
ber_dupbv( &attrs[0].an_name, &attrs[0].an_desc->ad_cname );
attrs[1].an_desc = NULL;
attrs[1].an_oc = NULL;
attrs[1].an_name.bv_len = 0;
attrs[1].an_name.bv_val = NULL;
}
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ENTRY, "bdb_back_search\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "=> bdb_back_search\n",
0, 0, 0);
#endif
manageDSAit = get_manageDSAit( ps_op );
rc = LOCK_ID (bdb->bi_dbenv, &locker );
switch(rc) {
case 0:
break;
default:
send_ldap_result( ps_conn, ps_op, rc=LDAP_OTHER,
NULL, "internal error", NULL, NULL );
if ( psearch_type == LCUP_PSEARCH_BY_DELETE ||
psearch_type == LCUP_PSEARCH_BY_SCOPEOUT )
ch_free( attrs[0].an_name.bv_val );
return rc;
}
if ( nbase->bv_len == 0 ) {
/* DIT root special case */
e = (Entry *) &slap_entry_root;
rc = 0;
} else
#ifdef BDB_ALIASES
/* get entry with reader lock */
if ( deref & LDAP_DEREF_FINDING ) {
e = deref_dn_r( be, nbase-, &err, &matched, &text );
} else
#endif
{
dn2entry_retry:
rc = bdb_dn2entry_r( be, NULL, nbase, &e, &matched, 0, locker, &lock );
}
switch(rc) {
case DB_NOTFOUND:
case 0:
break;
case LDAP_BUSY:
if (e != NULL) {
bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache,
e, &lock);
}
if (matched != NULL) {
bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache,
matched, &lock);
}
send_ldap_result( ps_conn, ps_op, LDAP_BUSY,
NULL, "ldap server busy", NULL, NULL );
LOCK_ID_FREE( bdb->bi_dbenv, locker );
if ( psearch_type == LCUP_PSEARCH_BY_DELETE ||
psearch_type == LCUP_PSEARCH_BY_SCOPEOUT )
ch_free( attrs[0].an_name.bv_val );
return LDAP_BUSY;
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto dn2entry_retry;
default:
if (e != NULL) {
bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache,
e, &lock);
}
if (matched != NULL) {
bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache,
matched, &lock);
}
send_ldap_result( ps_conn, ps_op, rc=LDAP_OTHER,
NULL, "internal error", NULL, NULL );
LOCK_ID_FREE( bdb->bi_dbenv, locker );
if ( psearch_type == LCUP_PSEARCH_BY_DELETE ||
psearch_type == LCUP_PSEARCH_BY_SCOPEOUT )
ch_free( attrs[0].an_name.bv_val );
return rc;
}
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, ps_conn, ps_op, matched )
: NULL;
bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache,
matched, &lock);
matched = NULL;
if( erefs ) {
refs = referral_rewrite( erefs, &matched_dn,
base, scope );
ber_bvarray_free( erefs );
}
} else {
refs = referral_rewrite( default_referral,
NULL, base, scope );
}
send_ldap_result( ps_conn, ps_op, rc=LDAP_REFERRAL ,
matched_dn.bv_val, text, refs, NULL );
LOCK_ID_FREE( bdb->bi_dbenv, locker );
if ( refs ) ber_bvarray_free( refs );
if ( matched_dn.bv_val ) ber_memfree( matched_dn.bv_val );
if ( psearch_type == LCUP_PSEARCH_BY_DELETE ||
psearch_type == LCUP_PSEARCH_BY_SCOPEOUT )
ch_free( attrs[0].an_name.bv_val );
return rc;
}
if (!manageDSAit && e != &slap_entry_root && is_entry_referral( e ) ) {
/* entry is a referral, don't allow add */
struct berval matched_dn;
BerVarray erefs, refs;
ber_dupbv( &matched_dn, &e->e_name );
erefs = get_entry_referrals( be, ps_conn, ps_op, e );
refs = NULL;
bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
e = NULL;
if( erefs ) {
refs = referral_rewrite( erefs, &matched_dn,
base, scope );
ber_bvarray_free( erefs );
}
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, RESULTS,
"bdb_search: entry is referral\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "bdb_search: entry is referral\n",
0, 0, 0 );
#endif
send_ldap_result( ps_conn, ps_op, LDAP_REFERRAL,
matched_dn.bv_val,
refs ? NULL : "bad referral object",
refs, NULL );
LOCK_ID_FREE( bdb->bi_dbenv, locker );
ber_bvarray_free( refs );
ber_memfree( matched_dn.bv_val );
if ( psearch_type == LCUP_PSEARCH_BY_DELETE ||
psearch_type == LCUP_PSEARCH_BY_SCOPEOUT )
ch_free( attrs[0].an_name.bv_val );
return 1;
}
/* if not root, get appropriate limits */
if ( be_isroot( be, &ps_op->o_ndn ) ) {
isroot = 1;
} else {
( void ) get_limits( be, &ps_op->o_ndn, &limit );
}
/* The time/size limits come first because they require very little
* effort, so there's no chance the candidates are selected and then
* the request is not honored only because of time/size constraints */
/* if no time limit requested, use soft limit (unless root!) */
if ( isroot ) {
if ( tlimit == 0 ) {
tlimit = -1; /* allow root to set no limit */
}
if ( slimit == 0 ) {
slimit = -1;
}
} else {
/* if no limit is required, use soft limit */
if ( tlimit <= 0 ) {
tlimit = limit->lms_t_soft;
/* if requested limit higher than hard limit, abort */
} else if ( tlimit > limit->lms_t_hard ) {
/* no hard limit means use soft instead */
if ( limit->lms_t_hard == 0 && tlimit > limit->lms_t_soft ) {
tlimit = limit->lms_t_soft;
/* positive hard limit means abort */
} else if ( limit->lms_t_hard > 0 ) {
send_search_result( ps_conn, ps_op,
LDAP_UNWILLING_TO_PERFORM,
NULL, NULL, NULL, NULL, 0 );
rc = 0;
goto done;
}
/* negative hard limit means no limit */
}
/* if no limit is required, use soft limit */
if ( slimit <= 0 ) {
slimit = limit->lms_s_soft;
/* if requested limit higher than hard limit, abort */
} else if ( slimit > limit->lms_s_hard ) {
/* no hard limit means use soft instead */
if ( limit->lms_s_hard == 0 && slimit > limit->lms_s_soft ) {
slimit = limit->lms_s_soft;
/* positive hard limit means abort */
} else if ( limit->lms_s_hard > 0 ) {
send_search_result( ps_conn, ps_op,
LDAP_UNWILLING_TO_PERFORM,
NULL, NULL, NULL, NULL, 0 );
rc = 0;
goto done;
}
/* negative hard limit means no limit */
}
}
/* compute it anyway; root does not use it */
stoptime = ps_op->o_time + tlimit;
/* select candidates */
if ( scope == LDAP_SCOPE_BASE ) {
rc = psearch_base_candidate( be, e, candidates );
} else {
BDB_IDL_ALL( bdb, candidates );
rc = psearch_candidates( be, op, e, filter,
scope, deref, candidates );
}
if ( !BDB_IDL_IS_RANGE( candidates ) ) {
cursor = bdb_idl_search( candidates, entry->e_id );
if ( candidates[cursor] != entry->e_id ) {
goto test_done;
}
} else {
if ( entry->e_id < BDB_IDL_RANGE_FIRST(candidates) &&
entry->e_id > BDB_IDL_RANGE_LAST(candidates) )
{
goto test_done;
}
}
/* candidates = { e } */
candidates[0] = 1;
candidates[1] = entry->e_id;
/* need normalized dn below */
ber_dupbv( &realbase, &e->e_nname );
if ( e != &slap_entry_root ) {
bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
}
e = NULL;
if ( candidates[0] == 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, RESULTS,
"bdb_search: no candidates\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "bdb_search: no candidates\n",
0, 0, 0 );
#endif
send_search_result( ps_conn, ps_op,
LDAP_SUCCESS,
NULL, NULL, NULL, NULL, 0 );
rc = 1;
goto done;
}
/* if not root and candidates exceed to-be-checked entries, abort */
if ( !isroot && limit->lms_s_unchecked != -1 ) {
if ( BDB_IDL_N(candidates) > (unsigned) limit->lms_s_unchecked ) {
send_search_result( ps_conn, ps_op, LDAP_ADMINLIMIT_EXCEEDED,
NULL, NULL, NULL, NULL, 0 );
rc = 1;
goto done;
}
}
lcupf.f_choice = LDAP_FILTER_AND;
lcupf.f_and = &csnfnot;
lcupf.f_next = NULL;
csnfnot.f_choice = LDAP_FILTER_NOT;
csnfnot.f_not = &csnfeq;
csnfnot.f_next = &csnfand;
csnfeq.f_choice = LDAP_FILTER_EQUALITY;
csnfeq.f_ava = &aa_eq;
csnfeq.f_av_desc = slap_schema.si_ad_entryCSN;
ber_dupbv( &csnfeq.f_av_value, &ps_op->o_clientupdate_state );
csnfand.f_choice = LDAP_FILTER_AND;
csnfand.f_and = &csnfge;
csnfand.f_next = NULL;
csnfge.f_choice = LDAP_FILTER_GE;
csnfge.f_ava = &aa_ge;
csnfge.f_av_desc = slap_schema.si_ad_entryCSN;
ber_dupbv( &csnfge.f_av_value, &ps_op->o_clientupdate_state );
csnfge.f_next = filter;
id = entry->e_id;
/* check for abandon */
if ( ps_op->o_abandon ) {
rc = 0;
goto done;
}
/* check time limit */
if ( tlimit != -1 && slap_get_time() > stoptime ) {
send_search_result( ps_conn, ps_op, rc = LDAP_TIMELIMIT_EXCEEDED,
NULL, NULL, v2refs, NULL, nentries );
goto done;
}
e = entry;
#ifdef BDB_SUBENTRIES
if ( is_entry_subentry( e ) ) {
if( scope != LDAP_SCOPE_BASE ) {
if(!get_subentries_visibility( ps_op )) {
/* only subentries are visible */
goto test_done;
}
} else if ( get_subentries( ps_op ) &&
!get_subentries_visibility( ps_op ))
{
/* only subentries are visible */
goto test_done;
}
} else if ( get_subentries_visibility( ps_op )) {
/* only subentries are visible */
goto test_done;
}
#endif
#ifdef BDB_ALIASES
if ( deref & LDAP_DEREF_SEARCHING && is_entry_alias( e ) ) {
Entry *matched;
int err;
const char *text;
e = deref_entry_r( be, e, &err, &matched, &text );
if( e == NULL ) {
e = matched;
goto test_done;
}
if( e->e_id == id ) {
/* circular loop */
goto test_done;
}
/* need to skip alias which deref into scope */
if( scope & LDAP_SCOPE_ONELEVEL ) {
struct berval pdn;
dnParent( &e->e_nname, &pdn ):
if ( ber_bvcmp( pdn, &realbase ) ) {
goto test_done;
}
} else if ( dnIsSuffix( &e->e_nname, &realbase ) ) {
/* alias is within scope */
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, RESULTS,
"bdb_search: \"%s\" in subtree\n", e->edn, 0, 0);
#else
Debug( LDAP_DEBUG_TRACE,
"bdb_search: \"%s\" in subtree\n",
e->e_dn, 0, 0 );
#endif
goto test_done;
}
scopeok = 1;
}
#endif
/*
* 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 && 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 ) ) {
dnParent( &e->e_nname, &dn );
scopeok = dn_match( &dn, &realbase );
} else {
scopeok = (realbase.bv_len == 0);
}
} else if ( !scopeok && scope == LDAP_SCOPE_SUBTREE ) {
scopeok = dnIsSuffix( &e->e_nname, &realbase );
} else {
scopeok = 1;
}
if( scopeok ) {
BerVarray erefs = get_entry_referrals(
be, ps_conn, ps_op, e );
BerVarray refs = referral_rewrite( erefs,
&e->e_name, NULL,
scope == LDAP_SCOPE_SUBTREE
? LDAP_SCOPE_SUBTREE
: LDAP_SCOPE_BASE );
send_search_reference( be, ps_conn, ps_op,
e, refs, NULL, &v2refs );
ber_bvarray_free( refs );
} else {
#ifdef NEW_LOGGING
LDAP_LOG(OPERATION, DETAIL2,
"bdb_search: candidate referral %ld scope not okay\n",
id, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"bdb_search: candidate referral %ld scope not okay\n",
id, 0, 0 );
#endif
}
goto test_done;
}
if ( psearch_type != LCUP_PSEARCH_BY_SCOPEOUT ) {
rc = test_filter( be, ps_conn, ps_op, e, &lcupf );
} else {
rc = LDAP_COMPARE_TRUE;
}
if ( rc == LDAP_COMPARE_TRUE ) {
struct berval dn;
/* check scope */
if ( !scopeok && scope == LDAP_SCOPE_ONELEVEL ) {
if ( be_issuffix( be, &e->e_nname ) ) {
scopeok = (realbase.bv_len == 0);
} else {
dnParent( &e->e_nname, &dn );
scopeok = dn_match( &dn, &realbase );
}
} else if ( !scopeok && scope == LDAP_SCOPE_SUBTREE ) {
scopeok = dnIsSuffix( &e->e_nname, &realbase );
} else {
scopeok = 1;
}
if ( scopeok ) {
/* check size limit */
if ( --slimit == -1 ) {
send_search_result( ps_conn, ps_op,
rc = LDAP_SIZELIMIT_EXCEEDED, NULL, NULL,
v2refs, NULL, nentries );
goto done;
}
if (e) {
int result;
#if 0 /* noop is masked SLAP_CTRL_UPDATE */
if( ps_op->o_noop ) {
result = 0;
} else
#endif
{
if ( psearch_type == LCUP_PSEARCH_BY_ADD ||
psearch_type == LCUP_PSEARCH_BY_DELETE ||
psearch_type == LCUP_PSEARCH_BY_MODIFY ||
psearch_type == LCUP_PSEARCH_BY_SCOPEOUT )
{
Attribute* a;
int ret;
int res;
const char *text = NULL;
LDAPControl *ctrls[2];
struct berval *bv;
char berbuf[LBER_ELEMENT_SIZEOF];
BerElement *ber = (BerElement *)berbuf;
ber_init2( ber, NULL, LBER_USE_DER );
LDAP_LIST_FIRST(&ps_op->psearch_spec)->entry_count++;
ctrls[0] = ch_malloc ( sizeof ( LDAPControl ) );
ctrls[1] = NULL;
if ( LDAP_LIST_FIRST(
&ps_op->psearch_spec)->entry_count %
ps_op->o_clientupdate_interval == 0 )
{
/* Send cookie */
for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
AttributeDescription *desc = a->a_desc;
if ( desc == slap_schema.si_ad_entryCSN ) {
ber_dupbv( &entrycsn_bv, &a->a_vals[0] );
if ( latest_entrycsn_bv.bv_val == NULL ) {
ber_dupbv( &latest_entrycsn_bv,
&entrycsn_bv );
} else {
res = value_match( &ret, desc,
desc->ad_type->sat_ordering,
SLAP_MR_ASSERTION_SYNTAX_MATCH,
&entrycsn_bv, &latest_entrycsn_bv,
&text );
if ( res != LDAP_SUCCESS ) {
ret = 0;
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, RESULTS,
"bdb_search: "
"value_match failed\n",
0, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"bdb_search: "
"value_match failed\n",
0, 0, 0 );
#endif
}
if ( ret > 0 ) {
ch_free(latest_entrycsn_bv.bv_val);
latest_entrycsn_bv.bv_val = NULL;
ber_dupbv( &latest_entrycsn_bv,
&entrycsn_bv );
}
}
}
}
if ( psearch_type != LCUP_PSEARCH_BY_DELETE ||
psearch_type != LCUP_PSEARCH_BY_SCOPEOUT )
{
ber_printf( ber, "{bb{sON}N}",
SLAP_LCUP_STATE_UPDATE_FALSE,
SLAP_LCUP_ENTRY_DELETED_FALSE,
LCUP_COOKIE_OID, &entrycsn_bv );
} else {
ber_printf( ber, "{bb{sON}N}",
SLAP_LCUP_STATE_UPDATE_FALSE,
SLAP_LCUP_ENTRY_DELETED_TRUE,
LCUP_COOKIE_OID, &entrycsn_bv );
}
ch_free( entrycsn_bv.bv_val );
entrycsn_bv.bv_val = NULL;
} else {
/* Do not send cookie */
if ( psearch_type != LCUP_PSEARCH_BY_DELETE ||
psearch_type != LCUP_PSEARCH_BY_SCOPEOUT )
{
ber_printf( ber, "{bbN}",
SLAP_LCUP_STATE_UPDATE_FALSE,
SLAP_LCUP_ENTRY_DELETED_FALSE );
} else {
ber_printf( ber, "{bbN}",
SLAP_LCUP_STATE_UPDATE_FALSE,
SLAP_LCUP_ENTRY_DELETED_TRUE );
}
}
ctrls[0]->ldctl_oid = LDAP_CONTROL_ENTRY_UPDATE;
ctrls[0]->ldctl_iscritical = ps_op->o_clientupdate;
ret = ber_flatten2( ber, &ctrls[0]->ldctl_value, 0 );
if ( ret < 0 ) {
ber_free_buf( ber );
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, RESULTS,
"bdb_search: ber_flatten2 failed\n",
0, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"bdb_search: ber_flatten2 failed\n",
0, 0, 0 );
#endif
send_ldap_result( ps_conn, ps_op, rc=LDAP_OTHER,
NULL, "internal error", NULL, NULL );
goto done;
}
result = send_search_entry( be, ps_conn, ps_op,
e, attrs, attrsonly, ctrls);
ber_free_buf( ber );
ch_free( ctrls[0] );
if ( psearch_type == LCUP_PSEARCH_BY_MODIFY ) {
struct psid_entry* psid_e;
LDAP_LIST_FOREACH( psid_e, &op->premodify_list,
link)
{
if( psid_e->ps ==
LDAP_LIST_FIRST(&ps_op->psearch_spec))
{
LDAP_LIST_REMOVE(psid_e, link);
break;
}
}
if (psid_e != NULL) free (psid_e);
}
} else if ( psearch_type == LCUP_PSEARCH_BY_PREMODIFY ) {
struct psid_entry* psid_e;
psid_e = (struct psid_entry *) calloc (1,
sizeof(struct psid_entry));
psid_e->ps = LDAP_LIST_FIRST(&ps_op->psearch_spec);
LDAP_LIST_INSERT_HEAD( &op->premodify_list,
psid_e, link );
} else {
printf("Error !\n");
}
}
switch (result) {
case 0: /* entry sent ok */
nentries++;
break;
case 1: /* entry not sent */
break;
case -1: /* connection closed */
rc = LDAP_OTHER;
goto done;
}
}
} else {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, RESULTS,
"bdb_search: %ld scope not okay\n", (long) id, 0, 0);
#else
Debug( LDAP_DEBUG_TRACE,
"bdb_search: %ld scope not okay\n", (long) id, 0, 0 );
#endif
}
} else {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, RESULTS,
"bdb_search: %ld does match filter\n", (long) id, 0, 0);
#else
Debug( LDAP_DEBUG_TRACE,
"bdb_search: %ld does match filter\n",
(long) id, 0, 0 );
#endif
}
test_done:
rc = LDAP_SUCCESS;
done:
if ( csnfeq.f_ava != NULL && csnfeq.f_av_value.bv_val != NULL ) {
ch_free( csnfeq.f_av_value.bv_val );
}
if ( csnfge.f_ava != NULL && csnfge.f_av_value.bv_val != NULL ) {
ch_free( csnfge.f_av_value.bv_val );
}
LOCK_ID_FREE( bdb->bi_dbenv, locker );
if( v2refs ) ber_bvarray_free( v2refs );
if( realbase.bv_val ) ch_free( realbase.bv_val );
if ( psearch_type == LCUP_PSEARCH_BY_DELETE ||
psearch_type == LCUP_PSEARCH_BY_SCOPEOUT )
ch_free( attrs[0].an_name.bv_val );
return rc;
}
static int psearch_base_candidate(
BackendDB *be,
Entry *e,
ID *ids )
{
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ENTRY,
"psearch_base_candidate: base: \"%s\" (0x%08lx)\n", e->e_dn, (long) e->e_id, 0);
#else
Debug(LDAP_DEBUG_ARGS, "psearch_base_candidates: base: \"%s\" (0x%08lx)\n",
e->e_dn, (long) e->e_id, 0);
#endif
ids[0] = 1;
ids[1] = e->e_id;
return 0;
}
/* Look for "objectClass Present" in this filter.
* Also count depth of filter tree while we're at it.
*/
static int psearch_oc_filter(
Filter *f,
int cur,
int *max
)
{
int rc = 0;
if( cur > *max ) *max = cur;
switch(f->f_choice) {
case LDAP_FILTER_PRESENT:
if (f->f_desc == slap_schema.si_ad_objectClass) {
rc = 1;
}
break;
case LDAP_FILTER_AND:
case LDAP_FILTER_OR:
cur++;
for (f=f->f_and; f; f=f->f_next) {
(void) psearch_oc_filter(f, cur, max);
}
break;
default:
break;
}
return rc;
}
static int psearch_candidates(
BackendDB *be,
Operation *op,
Entry *e,
Filter *filter,
int scope,
int deref,
ID *ids )
{
int rc, depth = 1;
Filter f, scopef, rf, xf;
ID *stack;
AttributeAssertion aa_ref;
#ifdef BDB_SUBENTRIES
Filter sf;
AttributeAssertion aa_subentry;
#endif
#ifdef BDB_ALIASES
Filter af;
AttributeAssertion aa_alias;
#endif
/*
* This routine takes as input a filter (user-filter)
* and rewrites it as follows:
* (&(scope=DN)[(objectClass=subentry)]
* (|[(objectClass=referral)(objectClass=alias)](user-filter))
*/
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ENTRY,
"psearch_candidates: base=\"%s\" (0x%08lx) scope=%d\n",
e->e_dn, (long) e->e_id, scope);
#else
Debug(LDAP_DEBUG_TRACE,
"psearch_candidates: base=\"%s\" (0x%08lx) scope=%d\n",
e->e_dn, (long) e->e_id, scope );
#endif
xf.f_or = filter;
xf.f_choice = LDAP_FILTER_OR;
xf.f_next = NULL;
/* If the user's filter uses objectClass=*,
* these clauses are redundant.
*/
if (!psearch_oc_filter(filter, 1, &depth) && !get_subentries_visibility(op) ) {
if( !get_manageDSAit(op) ) { /* match referrals */
struct berval bv_ref = { sizeof("REFERRAL")-1, "REFERRAL" };
rf.f_choice = LDAP_FILTER_EQUALITY;
rf.f_ava = &aa_ref;
rf.f_av_desc = slap_schema.si_ad_objectClass;
rf.f_av_value = bv_ref;
rf.f_next = xf.f_or;
xf.f_or = &rf;
}
#ifdef BDB_ALIASES
if( deref & LDAP_DEREF_SEARCHING ) { /* match aliases */
struct berval bv_alias = { sizeof("ALIAS")-1, "ALIAS" };
af.f_choice = LDAP_FILTER_EQUALITY;
af.f_ava = &aa_alias;
af.f_av_desc = slap_schema.si_ad_objectClass;
af.f_av_value = bv_alias;
af.f_next = xf.f_or;
xf.f_or = &af;
}
#endif
/* We added one of these clauses, filter depth increased */
if( xf.f_or != filter ) depth++;
}
f.f_next = NULL;
f.f_choice = LDAP_FILTER_AND;
f.f_and = &scopef;
scopef.f_choice = scope == LDAP_SCOPE_SUBTREE
? SLAPD_FILTER_DN_SUBTREE
: SLAPD_FILTER_DN_ONE;
scopef.f_dn = &e->e_nname;
scopef.f_next = xf.f_or == filter ? filter : &xf ;
/* Filter depth increased again, adding scope clause */
depth++;
#ifdef BDB_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 = scopef.f_next;
scopef.f_next = &sf;
}
#endif
/* Allocate IDL stack, plus 1 more for former tmp */
stack = ch_malloc( (depth + 1) * BDB_IDL_UM_SIZE * sizeof( ID ) );
rc = bdb_filter_candidates( be, &f, ids, stack, stack+BDB_IDL_UM_SIZE );
ch_free( stack );
if( rc ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, DETAIL1,
"bdb_psearch_candidates: failed (rc=%d)\n", rc, 0, 0 );
#else
Debug(LDAP_DEBUG_TRACE,
"bdb_psearch_candidates: failed (rc=%d)\n",
rc, NULL, NULL );
#endif
} else {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, DETAIL1,
"bdb_psearch_candidates: id=%ld first=%ld last=%ld\n",
(long) ids[0], (long) BDB_IDL_FIRST(ids),
(long) BDB_IDL_LAST(ids));
#else
Debug(LDAP_DEBUG_TRACE,
"bdb_psearch_candidates: id=%ld first=%ld last=%ld\n",
(long) ids[0],
(long) BDB_IDL_FIRST(ids),
(long) BDB_IDL_LAST(ids) );
#endif
}
return rc;
}
#endif /* LDAP_CLIENT_UPDATE */
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