int
mdb_search( Operation *op, SlapReply *rs )
{
struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
ID id, cursor, nsubs, ncand, cscope;
ID lastid = NOID;
ID candidates[MDB_IDL_UM_SIZE];
ID iscopes[MDB_IDL_DB_SIZE];
ID2 *scopes;
void *stack;
Entry *e = NULL, *base = NULL;
Entry *matched = NULL;
AttributeName *attrs;
slap_mask_t mask;
time_t stoptime;
int manageDSAit;
int tentries = 0;
IdScopes isc;
MDB_cursor *mci, *mcd;
ww_ctx wwctx;
slap_callback cb = { 0 };
mdb_op_info opinfo = {{{0}}}, *moi = &opinfo;
MDB_txn *ltid = NULL;
Debug( LDAP_DEBUG_TRACE, "=> " LDAP_XSTRING(mdb_search) "\n", 0, 0, 0);
attrs = op->oq_search.rs_attrs;
manageDSAit = get_manageDSAit( op );
rs->sr_err = mdb_opinfo_get( op, mdb, 1, &moi );
switch(rs->sr_err) {
case 0:
break;
default:
send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
return rs->sr_err;
}
ltid = moi->moi_txn;
rs->sr_err = mdb_cursor_open( ltid, mdb->mi_id2entry, &mci );
if ( rs->sr_err ) {
send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
return rs->sr_err;
}
rs->sr_err = mdb_cursor_open( ltid, mdb->mi_dn2id, &mcd );
if ( rs->sr_err ) {
mdb_cursor_close( mci );
send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
return rs->sr_err;
}
scopes = scope_chunk_get( op );
stack = search_stack( op );
isc.mt = ltid;
isc.mc = mcd;
isc.scopes = scopes;
isc.oscope = op->ors_scope;
isc.sctmp = stack;
if ( op->ors_deref & LDAP_DEREF_FINDING ) {
MDB_IDL_ZERO(candidates);
}
dn2entry_retry:
/* get entry with reader lock */
rs->sr_err = mdb_dn2entry( op, ltid, mcd, &op->o_req_ndn, &e, &nsubs, 1 );
switch(rs->sr_err) {
case MDB_NOTFOUND:
matched = e;
e = NULL;
break;
case 0:
break;
case LDAP_BUSY:
send_ldap_error( op, rs, LDAP_BUSY, "ldap server busy" );
goto done;
default:
send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
goto done;
}
if ( op->ors_deref & LDAP_DEREF_FINDING ) {
if ( matched && is_entry_alias( matched )) {
struct berval stub;
stub.bv_val = op->o_req_ndn.bv_val;
stub.bv_len = op->o_req_ndn.bv_len - matched->e_nname.bv_len - 1;
e = deref_base( op, rs, matched, &matched, ltid,
candidates, NULL );
if ( e ) {
build_new_dn( &op->o_req_ndn, &e->e_nname, &stub,
op->o_tmpmemctx );
mdb_entry_return(op, e);
matched = NULL;
goto dn2entry_retry;
}
} else if ( e && is_entry_alias( e )) {
e = deref_base( op, rs, e, &matched, ltid,
candidates, NULL );
}
}
if ( e == NULL ) {
struct berval matched_dn = BER_BVNULL;
if ( matched != NULL ) {
BerVarray erefs = NULL;
/* return referral only if "disclose"
* is granted on the object */
if ( ! access_allowed( op, matched,
slap_schema.si_ad_entry,
NULL, ACL_DISCLOSE, NULL ) )
{
rs->sr_err = LDAP_NO_SUCH_OBJECT;
} else {
ber_dupbv( &matched_dn, &matched->e_name );
erefs = is_entry_referral( matched )
? get_entry_referrals( op, matched )
: NULL;
if ( rs->sr_err == MDB_NOTFOUND )
rs->sr_err = LDAP_REFERRAL;
rs->sr_matched = matched_dn.bv_val;
}
mdb_entry_return(op, matched);
matched = NULL;
if ( erefs ) {
rs->sr_ref = referral_rewrite( erefs, &matched_dn,
&op->o_req_dn, op->oq_search.rs_scope );
ber_bvarray_free( erefs );
}
} else {
rs->sr_ref = referral_rewrite( default_referral,
NULL, &op->o_req_dn, op->oq_search.rs_scope );
rs->sr_err = rs->sr_ref != NULL ? LDAP_REFERRAL : LDAP_NO_SUCH_OBJECT;
}
send_ldap_result( op, rs );
if ( rs->sr_ref ) {
ber_bvarray_free( rs->sr_ref );
rs->sr_ref = NULL;
}
if ( !BER_BVISNULL( &matched_dn ) ) {
ber_memfree( matched_dn.bv_val );
rs->sr_matched = NULL;
}
goto done;
}
/* NOTE: __NEW__ "search" access is required
* on searchBase object */
if ( ! access_allowed_mask( op, e, slap_schema.si_ad_entry,
NULL, ACL_SEARCH, NULL, &mask ) )
{
if ( !ACL_GRANT( mask, ACL_DISCLOSE ) ) {
rs->sr_err = LDAP_NO_SUCH_OBJECT;
} else {
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
}
mdb_entry_return( op,e);
send_ldap_result( op, rs );
goto done;
}
if ( !manageDSAit && is_entry_referral( e ) ) {
/* entry is a referral */
struct berval matched_dn = BER_BVNULL;
BerVarray erefs = NULL;
ber_dupbv( &matched_dn, &e->e_name );
erefs = get_entry_referrals( op, e );
rs->sr_err = LDAP_REFERRAL;
mdb_entry_return( op, e );
e = NULL;
if ( erefs ) {
rs->sr_ref = referral_rewrite( erefs, &matched_dn,
&op->o_req_dn, op->oq_search.rs_scope );
ber_bvarray_free( erefs );
if ( !rs->sr_ref ) {
rs->sr_text = "bad_referral object";
}
}
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_search) ": entry is referral\n",
0, 0, 0 );
rs->sr_matched = matched_dn.bv_val;
send_ldap_result( op, rs );
ber_bvarray_free( rs->sr_ref );
rs->sr_ref = NULL;
ber_memfree( matched_dn.bv_val );
rs->sr_matched = NULL;
goto done;
}
if ( get_assert( op ) &&
( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
{
rs->sr_err = LDAP_ASSERTION_FAILED;
mdb_entry_return( op,e);
send_ldap_result( op, rs );
goto done;
}
/* compute it anyway; root does not use it */
stoptime = op->o_time + op->ors_tlimit;
base = e;
e = NULL;
/* select candidates */
if ( op->oq_search.rs_scope == LDAP_SCOPE_BASE ) {
rs->sr_err = base_candidate( op->o_bd, base, candidates );
scopes[0].mid = 0;
ncand = 1;
} else {
if ( op->ors_scope == LDAP_SCOPE_ONELEVEL ) {
size_t nkids;
MDB_val key, data;
key.mv_data = &base->e_id;
key.mv_size = sizeof( ID );
mdb_cursor_get( mcd, &key, &data, MDB_SET );
mdb_cursor_count( mcd, &nkids );
nsubs = nkids - 1;
} else if ( !base->e_id ) {
/* we don't maintain nsubs for entryID 0.
* just grab entry count from id2entry stat
*/
MDB_stat ms;
mdb_stat( ltid, mdb->mi_id2entry, &ms );
nsubs = ms.ms_entries;
}
MDB_IDL_ZERO( candidates );
scopes[0].mid = 1;
scopes[1].mid = base->e_id;
scopes[1].mval.mv_data = NULL;
rs->sr_err = search_candidates( op, rs, base,
&isc, mci, candidates, stack );
ncand = MDB_IDL_N( candidates );
if ( !base->e_id || ncand == NOID ) {
/* grab entry count from id2entry stat
*/
MDB_stat ms;
mdb_stat( ltid, mdb->mi_id2entry, &ms );
if ( !base->e_id )
nsubs = ms.ms_entries;
if ( ncand == NOID )
ncand = ms.ms_entries;
}
}
/* start cursor at beginning of candidates.
*/
cursor = 0;
if ( candidates[0] == 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_search) ": no candidates\n",
0, 0, 0 );
goto nochange;
}
/* if not root and candidates exceed to-be-checked entries, abort */
if ( op->ors_limit /* isroot == FALSE */ &&
op->ors_limit->lms_s_unchecked != -1 &&
ncand > (unsigned) op->ors_limit->lms_s_unchecked )
{
rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED;
send_ldap_result( op, rs );
rs->sr_err = LDAP_SUCCESS;
goto done;
}
if ( op->ors_limit == NULL /* isroot == TRUE */ ||
!op->ors_limit->lms_s_pr_hide )
{
tentries = ncand;
}
wwctx.flag = 0;
/* If we're running in our own read txn */
if ( moi == &opinfo ) {
cb.sc_writewait = mdb_writewait;
cb.sc_private = &wwctx;
wwctx.txn = ltid;
wwctx.mcd = NULL;
cb.sc_next = op->o_callback;
op->o_callback = &cb;
}
if ( get_pagedresults( op ) > SLAP_CONTROL_IGNORED ) {
PagedResultsState *ps = op->o_pagedresults_state;
/* deferred cookie parsing */
rs->sr_err = parse_paged_cookie( op, rs );
if ( rs->sr_err != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto done;
}
cursor = (ID) ps->ps_cookie;
if ( cursor && ps->ps_size == 0 ) {
rs->sr_err = LDAP_SUCCESS;
rs->sr_text = "search abandoned by pagedResult size=0";
send_ldap_result( op, rs );
goto done;
}
id = mdb_idl_first( candidates, &cursor );
if ( id == NOID ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_search)
": no paged results candidates\n",
0, 0, 0 );
send_paged_response( op, rs, &lastid, 0 );
rs->sr_err = LDAP_OTHER;
goto done;
}
if ( id == (ID)ps->ps_cookie )
id = mdb_idl_next( candidates, &cursor );
nsubs = ncand; /* always bypass scope'd search */
goto loop_begin;
}
if ( nsubs < ncand ) {
int rc;
/* Do scope-based search */
/* if any alias scopes were set, save them */
if (scopes[0].mid > 1) {
cursor = 1;
for (cscope = 1; cscope <= scopes[0].mid; cscope++) {
/* Ignore the original base */
if (scopes[cscope].mid == base->e_id)
continue;
iscopes[cursor++] = scopes[cscope].mid;
}
iscopes[0] = scopes[0].mid - 1;
} else {
iscopes[0] = 0;
}
wwctx.mcd = mcd;
isc.id = base->e_id;
isc.numrdns = 0;
rc = mdb_dn2id_walk( op, &isc );
if ( rc )
id = NOID;
else
id = isc.id;
cscope = 0;
} else {
id = mdb_idl_first( candidates, &cursor );
}
while (id != NOID)
{
int scopeok;
MDB_val edata;
loop_begin:
/* check for abandon */
if ( op->o_abandon ) {
rs->sr_err = SLAPD_ABANDON;
send_ldap_result( op, rs );
goto done;
}
/* mostly needed by internal searches,
* e.g. related to syncrepl, for whom
* abandon does not get set... */
if ( slapd_shutdown ) {
rs->sr_err = LDAP_UNAVAILABLE;
send_ldap_disconnect( op, rs );
goto done;
}
/* check time limit */
if ( op->ors_tlimit != SLAP_NO_LIMIT
&& slap_get_time() > stoptime )
{
rs->sr_err = LDAP_TIMELIMIT_EXCEEDED;
rs->sr_ref = rs->sr_v2ref;
send_ldap_result( op, rs );
rs->sr_err = LDAP_SUCCESS;
goto done;
}
if ( nsubs < ncand ) {
unsigned i;
/* Is this entry in the candidate list? */
scopeok = 0;
if (MDB_IDL_IS_RANGE( candidates )) {
if ( id >= MDB_IDL_RANGE_FIRST( candidates ) &&
id <= MDB_IDL_RANGE_LAST( candidates ))
scopeok = 1;
} else {
i = mdb_idl_search( candidates, id );
if ( candidates[i] == id )
scopeok = 1;
}
if ( scopeok )
goto scopeok;
goto loop_continue;
}
/* Does this candidate actually satisfy the search scope?
*/
scopeok = 0;
isc.numrdns = 0;
switch( op->ors_scope ) {
case LDAP_SCOPE_BASE:
/* This is always true, yes? */
if ( id == base->e_id ) scopeok = 1;
break;
#ifdef LDAP_SCOPE_CHILDREN
case LDAP_SCOPE_CHILDREN:
if ( id == base->e_id ) break;
/* Fall-thru */
#endif
case LDAP_SCOPE_SUBTREE:
if ( id == base->e_id ) {
scopeok = 1;
break;
}
/* Fall-thru */
case LDAP_SCOPE_ONELEVEL:
isc.id = id;
isc.nscope = 0;
rs->sr_err = mdb_idscopes( op, &isc );
if ( rs->sr_err == MDB_SUCCESS ) {
if ( isc.nscope )
scopeok = 1;
} else {
if ( rs->sr_err == MDB_NOTFOUND )
goto notfound;
}
break;
}
/* Not in scope, ignore it */
if ( !scopeok )
{
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_search)
": %ld scope not okay\n",
(long) id, 0, 0 );
goto loop_continue;
}
scopeok:
if ( id == base->e_id ) {
e = base;
} else {
/* get the entry */
rs->sr_err = mdb_id2edata( op, mci, id, &edata );
if ( rs->sr_err == MDB_NOTFOUND ) {
notfound:
if( nsubs < ncand )
goto loop_continue;
if( !MDB_IDL_IS_RANGE(candidates) ) {
/* only complain for non-range IDLs */
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_search)
": candidate %ld not found\n",
(long) id, 0, 0 );
} else {
/* get the next ID from the DB */
rs->sr_err = mdb_get_nextid( mci, &cursor );
if ( rs->sr_err == MDB_NOTFOUND ) {
break;
}
if ( rs->sr_err ) {
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error in get_nextid";
send_ldap_result( op, rs );
goto done;
}
cursor--;
}
goto loop_continue;
} else if ( rs->sr_err ) {
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error in mdb_id2edata";
send_ldap_result( op, rs );
goto done;
}
rs->sr_err = mdb_entry_decode( op, ltid, &edata, &e );
if ( rs->sr_err ) {
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error in mdb_entry_decode";
send_ldap_result( op, rs );
goto done;
}
e->e_id = id;
e->e_name.bv_val = NULL;
e->e_nname.bv_val = NULL;
}
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;
}
/* aliases were already dereferenced in candidate list */
if ( op->ors_deref & LDAP_DEREF_SEARCHING ) {
/* but if the search base is an alias, and we didn't
* deref it when finding, return it.
*/
if ( is_entry_alias(e) &&
((op->ors_deref & LDAP_DEREF_FINDING) || e != base ))
{
goto loop_continue;
}
}
if ( !manageDSAit && is_entry_glue( e )) {
goto loop_continue;
}
if (e != base) {
struct berval pdn, pndn;
char *d, *n;
int i;
/* child of base, just append RDNs to base->e_name */
if ( nsubs < ncand || isc.scopes[isc.nscope].mid == base->e_id ) {
pdn = base->e_name;
pndn = base->e_nname;
} else {
mdb_id2name( op, ltid, &isc.mc, scopes[isc.nscope].mid, &pdn, &pndn );
}
e->e_name.bv_len = pdn.bv_len;
e->e_nname.bv_len = pndn.bv_len;
for (i=0; i<isc.numrdns; i++) {
e->e_name.bv_len += isc.rdns[i].bv_len + 1;
e->e_nname.bv_len += isc.nrdns[i].bv_len + 1;
}
e->e_name.bv_val = op->o_tmpalloc(e->e_name.bv_len + 1, op->o_tmpmemctx);
e->e_nname.bv_val = op->o_tmpalloc(e->e_nname.bv_len + 1, op->o_tmpmemctx);
d = e->e_name.bv_val;
n = e->e_nname.bv_val;
if (nsubs < ncand) {
/* RDNs are in top-down order */
for (i=isc.numrdns-1; i>=0; i--) {
memcpy(d, isc.rdns[i].bv_val, isc.rdns[i].bv_len);
d += isc.rdns[i].bv_len;
*d++ = ',';
memcpy(n, isc.nrdns[i].bv_val, isc.nrdns[i].bv_len);
n += isc.nrdns[i].bv_len;
*n++ = ',';
}
} else {
/* RDNs are in bottom-up order */
for (i=0; i<isc.numrdns; i++) {
memcpy(d, isc.rdns[i].bv_val, isc.rdns[i].bv_len);
d += isc.rdns[i].bv_len;
*d++ = ',';
memcpy(n, isc.nrdns[i].bv_val, isc.nrdns[i].bv_len);
n += isc.nrdns[i].bv_len;
*n++ = ',';
}
}
if (pdn.bv_len) {
memcpy(d, pdn.bv_val, pdn.bv_len+1);
memcpy(n, pndn.bv_val, pndn.bv_len+1);
} else {
*--d = '\0';
*--n = '\0';
e->e_name.bv_len--;
e->e_nname.bv_len--;
}
if (pndn.bv_val != base->e_nname.bv_val) {
op->o_tmpfree(pndn.bv_val, op->o_tmpmemctx);
op->o_tmpfree(pdn.bv_val, op->o_tmpmemctx);
}
}
/*
* 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
&& is_entry_referral( e ) )
{
BerVarray erefs = get_entry_referrals( op, e );
rs->sr_ref = referral_rewrite( erefs, &e->e_name, NULL,
op->oq_search.rs_scope == LDAP_SCOPE_ONELEVEL
? LDAP_SCOPE_BASE : LDAP_SCOPE_SUBTREE );
rs->sr_entry = e;
rs->sr_flags = 0;
send_search_reference( op, rs );
if (e != base)
mdb_entry_return( op, e );
rs->sr_entry = NULL;
e = NULL;
ber_bvarray_free( rs->sr_ref );
ber_bvarray_free( erefs );
rs->sr_ref = NULL;
if ( wwctx.flag ) {
rs->sr_err = mdb_waitfixup( op, &wwctx, mci, mcd );
if ( rs->sr_err ) {
send_ldap_result( op, rs );
goto done;
}
}
goto loop_continue;
}
/* if it matches the filter and scope, send it */
rs->sr_err = test_filter( op, e, op->oq_search.rs_filter );
if ( rs->sr_err == LDAP_COMPARE_TRUE ) {
/* check size limit */
if ( get_pagedresults(op) > SLAP_CONTROL_IGNORED ) {
if ( rs->sr_nentries >= ((PagedResultsState *)op->o_pagedresults_state)->ps_size ) {
mdb_entry_return( op, e );
e = NULL;
send_paged_response( op, rs, &lastid, tentries );
goto done;
}
lastid = id;
}
if (e) {
/* safe default */
rs->sr_attrs = op->oq_search.rs_attrs;
rs->sr_operational_attrs = NULL;
rs->sr_ctrls = NULL;
rs->sr_entry = e;
RS_ASSERT( e->e_private != NULL );
rs->sr_flags = 0;
rs->sr_err = LDAP_SUCCESS;
rs->sr_err = send_search_entry( op, rs );
rs->sr_attrs = NULL;
rs->sr_entry = NULL;
if (e != base)
mdb_entry_return( op, e );
e = NULL;
switch ( rs->sr_err ) {
case LDAP_SUCCESS: /* entry sent ok */
break;
default: /* entry not sent */
break;
case LDAP_BUSY:
send_ldap_result( op, rs );
goto done;
case LDAP_UNAVAILABLE:
case LDAP_SIZELIMIT_EXCEEDED:
if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
rs->sr_ref = rs->sr_v2ref;
send_ldap_result( op, rs );
rs->sr_err = LDAP_SUCCESS;
} else {
rs->sr_err = LDAP_OTHER;
}
goto done;
}
if ( wwctx.flag ) {
rs->sr_err = mdb_waitfixup( op, &wwctx, mci, mcd );
if ( rs->sr_err ) {
send_ldap_result( op, rs );
goto done;
}
}
}
} else {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_search)
": %ld does not match filter\n",
(long) id, 0, 0 );
}
loop_continue:
if( e != NULL ) {
if ( e != base )
mdb_entry_return( op, e );
RS_ASSERT( rs->sr_entry == NULL );
e = NULL;
rs->sr_entry = NULL;
}
if ( nsubs < ncand ) {
int rc = mdb_dn2id_walk( op, &isc );
if (rc) {
id = NOID;
/* We got to the end of a subtree. If there are any
* alias scopes left, search them too.
*/
while (iscopes[0] && cscope < iscopes[0]) {
cscope++;
isc.id = iscopes[cscope];
if ( base )
mdb_entry_return( op, base );
rs->sr_err = mdb_id2entry(op, mci, isc.id, &base);
if ( !rs->sr_err ) {
mdb_id2name( op, ltid, &isc.mc, isc.id, &base->e_name, &base->e_nname );
isc.numrdns = 0;
if (isc.oscope == LDAP_SCOPE_ONELEVEL)
isc.oscope = LDAP_SCOPE_BASE;
rc = mdb_dn2id_walk( op, &isc );
if ( !rc ) {
id = isc.id;
break;
}
}
}
} else
id = isc.id;
} else {
id = mdb_idl_next( candidates, &cursor );
}
}
nochange:
rs->sr_ctrls = NULL;
rs->sr_ref = rs->sr_v2ref;
rs->sr_err = (rs->sr_v2ref == NULL) ? LDAP_SUCCESS : LDAP_REFERRAL;
rs->sr_rspoid = NULL;
if ( get_pagedresults(op) > SLAP_CONTROL_IGNORED ) {
send_paged_response( op, rs, NULL, 0 );
} else {
send_ldap_result( op, rs );
}
rs->sr_err = LDAP_SUCCESS;
done:
if ( cb.sc_private ) {
/* remove our writewait callback */
slap_callback **scp = &op->o_callback;
while ( *scp ) {
if ( *scp == &cb ) {
*scp = cb.sc_next;
cb.sc_private = NULL;
break;
}
}
}
mdb_cursor_close( mcd );
mdb_cursor_close( mci );
if ( moi == &opinfo ) {
mdb_txn_reset( moi->moi_txn );
LDAP_SLIST_REMOVE( &op->o_extra, &moi->moi_oe, OpExtra, oe_next );
} else {
moi->moi_ref--;
}
if( rs->sr_v2ref ) {
ber_bvarray_free( rs->sr_v2ref );
rs->sr_v2ref = NULL;
}
if (base)
mdb_entry_return( op, base );
scope_chunk_ret( op, scopes );
return rs->sr_err;
}
/* Dereference aliases for a single alias entry. Return the final
* dereferenced entry on success, NULL on any failure.
*/
static Entry * deref_base (
Operation *op,
SlapReply *rs,
Entry *e,
Entry **matched,
MDB_txn *txn,
ID *tmp,
ID *visited )
{
struct berval ndn;
rs->sr_err = LDAP_ALIAS_DEREF_PROBLEM;
rs->sr_text = "maximum deref depth exceeded";
for (;;) {
/* Remember the last entry we looked at, so we can
* report broken links
*/
*matched = e;
if (MDB_IDL_N(tmp) >= op->o_bd->be_max_deref_depth) {
e = NULL;
break;
}
/* If this is part of a subtree or onelevel search,
* have we seen this ID before? If so, quit.
*/
if ( visited && mdb_idl_insert( visited, e->e_id ) ) {
e = NULL;
break;
}
/* If we've seen this ID during this deref iteration,
* we've hit a loop.
*/
if ( mdb_idl_insert( tmp, e->e_id ) ) {
rs->sr_err = LDAP_ALIAS_PROBLEM;
rs->sr_text = "circular alias";
e = NULL;
break;
}
/* If there was a problem getting the aliasedObjectName,
* get_alias_dn will have set the error status.
*/
if ( get_alias_dn(e, &ndn, &rs->sr_err, &rs->sr_text) ) {
e = NULL;
break;
}
rs->sr_err = mdb_dn2entry( op, txn, NULL, &ndn, &e, NULL, 0 );
if (rs->sr_err) {
rs->sr_err = LDAP_ALIAS_PROBLEM;
rs->sr_text = "aliasedObject not found";
break;
}
/* Free the previous entry, continue to work with the
* one we just retrieved.
*/
mdb_entry_return( op, *matched );
/* We found a regular entry. Return this to the caller.
*/
if (!is_entry_alias(e)) {
rs->sr_err = LDAP_SUCCESS;
rs->sr_text = NULL;
break;
}
}
return e;
}
int
mdb_referrals( Operation *op, SlapReply *rs )
{
struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
Entry *e = NULL;
int rc = LDAP_SUCCESS;
MDB_txn *rtxn;
mdb_op_info opinfo = {0}, *moi = &opinfo;
if( op->o_tag == LDAP_REQ_SEARCH ) {
/* let search take care of itself */
return rc;
}
if( get_manageDSAit( op ) ) {
/* let op take care of DSA management */
return rc;
}
rc = mdb_opinfo_get(op, mdb, 1, &moi);
switch(rc) {
case 0:
break;
default:
return LDAP_OTHER;
}
rtxn = moi->moi_txn;
/* get entry */
rc = mdb_dn2entry( op, rtxn, &op->o_req_ndn, &e, 1 );
switch(rc) {
case MDB_NOTFOUND:
case 0:
break;
case LDAP_BUSY:
rs->sr_text = "ldap server busy";
goto done;
default:
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_referrals)
": dn2entry failed: %s (%d)\n",
mdb_strerror(rc), rc, 0 );
rs->sr_text = "internal error";
rc = LDAP_OTHER;
goto done;
}
if ( rc == MDB_NOTFOUND ) {
rc = LDAP_SUCCESS;
rs->sr_matched = NULL;
if ( e != NULL ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_referrals)
": tag=%lu target=\"%s\" matched=\"%s\"\n",
(unsigned long)op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );
if( is_entry_referral( e ) ) {
BerVarray ref = get_entry_referrals( op, e );
rc = LDAP_OTHER;
rs->sr_ref = referral_rewrite( ref, &e->e_name,
&op->o_req_dn, LDAP_SCOPE_DEFAULT );
ber_bvarray_free( ref );
if ( rs->sr_ref ) {
rs->sr_matched = ber_strdup_x(
e->e_name.bv_val, op->o_tmpmemctx );
}
}
mdb_entry_return( op, e );
e = NULL;
}
if( rs->sr_ref != NULL ) {
/* send referrals */
rc = rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
ber_bvarray_free( rs->sr_ref );
rs->sr_ref = NULL;
} else if ( rc != LDAP_SUCCESS ) {
rs->sr_text = rs->sr_matched ? "bad referral object" : NULL;
}
if (rs->sr_matched) {
op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
rs->sr_matched = NULL;
}
goto done;
}
if ( is_entry_referral( e ) ) {
/* entry is a referral */
BerVarray refs = get_entry_referrals( op, e );
rs->sr_ref = referral_rewrite(
refs, &e->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_referrals)
": tag=%lu target=\"%s\" matched=\"%s\"\n",
(unsigned long)op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );
rs->sr_matched = e->e_name.bv_val;
if( rs->sr_ref != NULL ) {
rc = rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
ber_bvarray_free( rs->sr_ref );
rs->sr_ref = NULL;
} else {
rc = LDAP_OTHER;
rs->sr_text = "bad referral object";
}
rs->sr_matched = NULL;
ber_bvarray_free( refs );
}
done:
if ( moi == &opinfo ) {
mdb_txn_reset( moi->moi_txn );
LDAP_SLIST_REMOVE( &op->o_extra, &moi->moi_oe, OpExtra, oe_next );
}
if ( e )
mdb_entry_return( op, e );
return rc;
}
/* Look for and dereference all aliases within the search scope.
* Requires "stack" to be able to hold 6 levels of DB_SIZE IDLs.
* Of course we're hardcoded to require a minimum of 8 UM_SIZE
* IDLs so this is never a problem.
*/
static int search_aliases(
Operation *op,
SlapReply *rs,
ID e_id,
IdScopes *isc,
MDB_cursor *mci,
ID *stack )
{
ID *aliases, *curscop, *visited, *newsubs, *oldsubs, *tmp;
ID cursora, ida, cursoro, ido;
Entry *matched, *a;
struct berval bv_alias = BER_BVC( "alias" );
AttributeAssertion aa_alias = ATTRIBUTEASSERTION_INIT;
Filter af;
int first = 1;
aliases = stack; /* IDL of all aliases in the database */
curscop = aliases + MDB_IDL_DB_SIZE; /* Aliases in the current scope */
visited = curscop + MDB_IDL_DB_SIZE; /* IDs we've seen in this search */
newsubs = visited + MDB_IDL_DB_SIZE; /* New subtrees we've added */
oldsubs = newsubs + MDB_IDL_DB_SIZE; /* Subtrees added previously */
tmp = oldsubs + MDB_IDL_DB_SIZE; /* Scratch space for deref_base() */
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 = NULL;
/* Find all aliases in database */
MDB_IDL_ZERO( aliases );
rs->sr_err = mdb_filter_candidates( op, isc->mt, &af, aliases,
curscop, visited );
if (rs->sr_err != LDAP_SUCCESS || MDB_IDL_IS_ZERO( aliases )) {
return rs->sr_err;
}
oldsubs[0] = 1;
oldsubs[1] = e_id;
MDB_IDL_ZERO( visited );
MDB_IDL_ZERO( newsubs );
cursoro = 0;
ido = mdb_idl_first( oldsubs, &cursoro );
for (;;) {
/* Set curscop to only the aliases in the current scope. Start with
* all the aliases, then get the intersection with the scope.
*/
rs->sr_err = mdb_idscope( op, isc->mt, e_id, aliases, curscop );
/* Dereference all of the aliases in the current scope. */
cursora = 0;
for (ida = mdb_idl_first(curscop, &cursora); ida != NOID;
ida = mdb_idl_next(curscop, &cursora))
{
rs->sr_err = mdb_id2entry(op, mci, ida, &a);
if (rs->sr_err != LDAP_SUCCESS) {
continue;
}
/* This should only happen if the curscop IDL has maxed out and
* turned into a range that spans IDs indiscriminately
*/
if (!is_entry_alias(a)) {
mdb_entry_return(op, a);
continue;
}
/* Actually dereference the alias */
MDB_IDL_ZERO(tmp);
a = deref_base( op, rs, a, &matched, isc->mt,
tmp, visited );
if (a) {
/* If the target was not already in our current scopes,
* make note of it in the newsubs list.
*/
ID2 mid;
mid.mid = a->e_id;
mid.mval.mv_data = NULL;
if (op->ors_scope == LDAP_SCOPE_SUBTREE) {
isc->id = a->e_id;
/* if ID is a child of any of our current scopes,
* ignore it, it's already included.
*/
if (mdb_idscopechk(op, isc))
goto skip;
}
if (mdb_id2l_insert(isc->scopes, &mid) == 0) {
mdb_idl_insert(newsubs, a->e_id);
}
skip: mdb_entry_return( op, a );
} else if (matched) {
/* Alias could not be dereferenced, or it deref'd to
* an ID we've already seen. Ignore it.
*/
mdb_entry_return( op, matched );
rs->sr_text = NULL;
rs->sr_err = 0;
}
}
/* If this is a OneLevel search, we're done; oldsubs only had one
* ID in it. For a Subtree search, oldsubs may be a list of scope IDs.
*/
if ( op->ors_scope == LDAP_SCOPE_ONELEVEL ) break;
nextido:
ido = mdb_idl_next( oldsubs, &cursoro );
/* If we're done processing the old scopes, did we add any new
* scopes in this iteration? If so, go back and do those now.
*/
if (ido == NOID) {
if (MDB_IDL_IS_ZERO(newsubs)) break;
MDB_IDL_CPY(oldsubs, newsubs);
MDB_IDL_ZERO(newsubs);
cursoro = 0;
ido = mdb_idl_first( oldsubs, &cursoro );
}
/* Find the entry corresponding to the next scope. If it can't
* be found, ignore it and move on. This should never happen;
* we should never see the ID of an entry that doesn't exist.
*/
{
MDB_val edata;
rs->sr_err = mdb_id2edata(op, mci, ido, &edata);
if ( rs->sr_err != MDB_SUCCESS ) {
goto nextido;
}
e_id = ido;
}
}
return rs->sr_err;
}
int
mdb_bind( Operation *op, SlapReply *rs )
{
struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
Entry *e;
Attribute *a;
AttributeDescription *password = slap_schema.si_ad_userPassword;
MDB_txn *rtxn;
mdb_op_info opinfo = {{{0}}}, *moi = &opinfo;
Debug( LDAP_DEBUG_ARGS,
"==> " LDAP_XSTRING(mdb_bind) ": dn: %s\n",
op->o_req_dn.bv_val, 0, 0);
/* allow noauth binds */
switch ( be_rootdn_bind( op, NULL ) ) {
case LDAP_SUCCESS:
/* frontend will send result */
return rs->sr_err = LDAP_SUCCESS;
default:
/* give the database a chance */
/* NOTE: this behavior departs from that of other backends,
* since the others, in case of password checking failure
* do not give the database a chance. If an entry with
* rootdn's name does not exist in the database the result
* will be the same. See ITS#4962 for discussion. */
break;
}
rs->sr_err = mdb_opinfo_get(op, mdb, 1, &moi);
switch(rs->sr_err) {
case 0:
break;
default:
rs->sr_text = "internal error";
send_ldap_result( op, rs );
return rs->sr_err;
}
rtxn = moi->moi_txn;
/* get entry with reader lock */
rs->sr_err = mdb_dn2entry( op, rtxn, NULL, &op->o_req_ndn, &e, NULL, 0 );
switch(rs->sr_err) {
case MDB_NOTFOUND:
rs->sr_err = LDAP_INVALID_CREDENTIALS;
goto done;
case 0:
break;
case LDAP_BUSY:
rs->sr_text = "ldap_server_busy";
goto done;
default:
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto done;
}
ber_dupbv( &op->oq_bind.rb_edn, &e->e_name );
/* check for deleted */
if ( is_entry_subentry( e ) ) {
/* entry is an subentry, don't allow bind */
Debug( LDAP_DEBUG_TRACE, "entry is subentry\n", 0,
0, 0 );
rs->sr_err = LDAP_INVALID_CREDENTIALS;
goto done;
}
if ( is_entry_alias( e ) ) {
/* entry is an alias, don't allow bind */
Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
rs->sr_err = LDAP_INVALID_CREDENTIALS;
goto done;
}
if ( is_entry_referral( e ) ) {
Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
0, 0 );
rs->sr_err = LDAP_INVALID_CREDENTIALS;
goto done;
}
switch ( op->oq_bind.rb_method ) {
case LDAP_AUTH_SIMPLE:
a = attr_find( e->e_attrs, password );
if ( a == NULL ) {
rs->sr_err = LDAP_INVALID_CREDENTIALS;
goto done;
}
if ( slap_passwd_check( op, e, a, &op->oq_bind.rb_cred,
&rs->sr_text ) != 0 )
{
/* failure; stop front end from sending result */
rs->sr_err = LDAP_INVALID_CREDENTIALS;
goto done;
}
rs->sr_err = 0;
break;
default:
assert( 0 ); /* should not be reachable */
rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
rs->sr_text = "authentication method not supported";
}
done:
if ( moi == &opinfo ) {
mdb_txn_reset( moi->moi_txn );
LDAP_SLIST_REMOVE( &op->o_extra, &moi->moi_oe, OpExtra, oe_next );
} else {
moi->moi_ref--;
}
/* free entry and reader lock */
if( e != NULL ) {
mdb_entry_return( op, e );
}
if ( rs->sr_err ) {
send_ldap_result( op, rs );
if ( rs->sr_ref ) {
ber_bvarray_free( rs->sr_ref );
rs->sr_ref = NULL;
}
}
/* front end will send result on success (rs->sr_err==0) */
return rs->sr_err;
}
int
mdb_modify( Operation *op, SlapReply *rs )
{
struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
Entry *e = NULL;
int manageDSAit = get_manageDSAit( op );
char textbuf[SLAP_TEXT_BUFLEN];
size_t textlen = sizeof textbuf;
MDB_txn *txn = NULL;
mdb_op_info opinfo = {{{ 0 }}}, *moi = &opinfo;
Entry dummy = {0};
LDAPControl **preread_ctrl = NULL;
LDAPControl **postread_ctrl = NULL;
LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
int num_ctrls = 0;
#ifdef LDAP_X_TXN
int settle = 0;
#endif
Debug( LDAP_DEBUG_ARGS, LDAP_XSTRING(mdb_modify) ": %s\n",
op->o_req_dn.bv_val, 0, 0 );
#ifdef LDAP_X_TXN
if( op->o_txnSpec ) {
/* acquire connection lock */
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
rs->sr_text = "invalid transaction identifier";
rs->sr_err = LDAP_X_TXN_ID_INVALID;
goto txnReturn;
} else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
settle=1;
goto txnReturn;
}
if( op->o_conn->c_txn_backend == NULL ) {
op->o_conn->c_txn_backend = op->o_bd;
} else if( op->o_conn->c_txn_backend != op->o_bd ) {
rs->sr_text = "transaction cannot span multiple database contexts";
rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
goto txnReturn;
}
/* insert operation into transaction */
rs->sr_text = "transaction specified";
rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;
txnReturn:
/* release connection lock */
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
if( !settle ) {
send_ldap_result( op, rs );
return rs->sr_err;
}
}
#endif
ctrls[num_ctrls] = NULL;
/* Don't touch the opattrs, if this is a contextCSN update
* initiated from updatedn */
if ( !be_isupdate(op) || !op->orm_modlist || op->orm_modlist->sml_next ||
op->orm_modlist->sml_desc != slap_schema.si_ad_contextCSN ) {
slap_mods_opattrs( op, &op->orm_modlist, 1 );
}
/* begin transaction */
rs->sr_err = mdb_opinfo_get( op, mdb, 0, &moi );
rs->sr_text = NULL;
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_modify) ": txn_begin failed: "
"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
txn = moi->moi_txn;
/* get entry or ancestor */
rs->sr_err = mdb_dn2entry( op, txn, NULL, &op->o_req_ndn, &e, 1 );
if ( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_modify) ": dn2entry failed (%d)\n",
rs->sr_err, 0, 0 );
switch( rs->sr_err ) {
case MDB_NOTFOUND:
break;
case LDAP_BUSY:
rs->sr_text = "ldap server busy";
goto return_results;
default:
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
}
/* acquire and lock entry */
/* FIXME: dn2entry() should return non-glue entry */
if (( rs->sr_err == MDB_NOTFOUND ) ||
( !manageDSAit && e && is_entry_glue( e )))
{
if ( e != NULL ) {
rs->sr_matched = ch_strdup( e->e_dn );
if ( is_entry_referral( e )) {
BerVarray ref = get_entry_referrals( op, e );
rs->sr_ref = referral_rewrite( ref, &e->e_name,
&op->o_req_dn, LDAP_SCOPE_DEFAULT );
ber_bvarray_free( ref );
} else {
rs->sr_ref = NULL;
}
mdb_entry_return( op, e );
e = NULL;
} else {
rs->sr_ref = referral_rewrite( default_referral, NULL,
&op->o_req_dn, LDAP_SCOPE_DEFAULT );
}
rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
goto done;
}
if ( !manageDSAit && is_entry_referral( e ) ) {
/* entry is a referral, don't allow modify */
rs->sr_ref = get_entry_referrals( op, e );
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_modify) ": entry is referral\n",
0, 0, 0 );
rs->sr_err = LDAP_REFERRAL;
rs->sr_matched = e->e_name.bv_val;
rs->sr_flags = REP_REF_MUSTBEFREED;
send_ldap_result( op, rs );
rs->sr_matched = NULL;
goto done;
}
if ( get_assert( op ) &&
( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
{
rs->sr_err = LDAP_ASSERTION_FAILED;
goto return_results;
}
if( op->o_preread ) {
if( preread_ctrl == NULL ) {
preread_ctrl = &ctrls[num_ctrls++];
ctrls[num_ctrls] = NULL;
}
if ( slap_read_controls( op, rs, e,
&slap_pre_read_bv, preread_ctrl ) )
{
Debug( LDAP_DEBUG_TRACE,
"<=- " LDAP_XSTRING(mdb_modify) ": pre-read "
"failed!\n", 0, 0, 0 );
if ( op->o_preread & SLAP_CONTROL_CRITICAL ) {
/* FIXME: is it correct to abort
* operation if control fails? */
goto return_results;
}
}
}
/* Modify the entry */
dummy = *e;
rs->sr_err = mdb_modify_internal( op, txn, op->orm_modlist,
&dummy, &rs->sr_text, textbuf, textlen );
if( rs->sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_modify) ": modify failed (%d)\n",
rs->sr_err, 0, 0 );
/* Only free attrs if they were dup'd. */
if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
goto return_results;
}
/* change the entry itself */
rs->sr_err = mdb_id2entry_update( op, txn, NULL, &dummy );
if ( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_modify) ": id2entry update failed " "(%d)\n",
rs->sr_err, 0, 0 );
rs->sr_text = "entry update failed";
goto return_results;
}
if( op->o_postread ) {
if( postread_ctrl == NULL ) {
postread_ctrl = &ctrls[num_ctrls++];
ctrls[num_ctrls] = NULL;
}
if( slap_read_controls( op, rs, &dummy,
&slap_post_read_bv, postread_ctrl ) )
{
Debug( LDAP_DEBUG_TRACE,
"<=- " LDAP_XSTRING(mdb_modify)
": post-read failed!\n", 0, 0, 0 );
if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
/* FIXME: is it correct to abort
* operation if control fails? */
goto return_results;
}
}
}
/* Only free attrs if they were dup'd. */
if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
if( moi == &opinfo ) {
LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
opinfo.moi_oe.oe_key = NULL;
if( op->o_noop ) {
mdb_txn_abort( txn );
rs->sr_err = LDAP_X_NO_OPERATION;
txn = NULL;
goto return_results;
} else {
rs->sr_err = mdb_txn_commit( txn );
txn = NULL;
}
}
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_modify) ": txn_%s failed: %s (%d)\n",
op->o_noop ? "abort (no-op)" : "commit",
mdb_strerror(rs->sr_err), rs->sr_err );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "commit failed";
goto return_results;
}
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_modify) ": updated%s id=%08lx dn=\"%s\"\n",
op->o_noop ? " (no-op)" : "",
dummy.e_id, op->o_req_dn.bv_val );
rs->sr_err = LDAP_SUCCESS;
rs->sr_text = NULL;
if( num_ctrls ) rs->sr_ctrls = ctrls;
return_results:
if( dummy.e_attrs ) {
attrs_free( dummy.e_attrs );
}
send_ldap_result( op, rs );
#if 0
if( rs->sr_err == LDAP_SUCCESS && mdb->bi_txn_cp_kbyte ) {
TXN_CHECKPOINT( mdb->bi_dbenv,
mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 );
}
#endif
done:
slap_graduate_commit_csn( op );
if( moi == &opinfo ) {
if( txn != NULL ) {
mdb_txn_abort( txn );
}
if ( opinfo.moi_oe.oe_key ) {
LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
}
}
if( e != NULL ) {
mdb_entry_return( op, e );
}
if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) {
slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
}
if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
}
rs->sr_text = NULL;
return rs->sr_err;
}
int
mdb_add(Operation *op, SlapReply *rs )
{
struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
struct berval pdn;
Entry *p = NULL, *oe = op->ora_e;
char textbuf[SLAP_TEXT_BUFLEN];
size_t textlen = sizeof textbuf;
AttributeDescription *children = slap_schema.si_ad_children;
AttributeDescription *entry = slap_schema.si_ad_entry;
MDB_txn *txn = NULL;
MDB_cursor *mc = NULL;
MDB_cursor *mcd;
ID eid, pid = 0;
mdb_op_info opinfo = {{{ 0 }}}, *moi = &opinfo;
int subentry;
int numads = mdb->mi_numads;
int success;
LDAPControl **postread_ctrl = NULL;
LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
int num_ctrls = 0;
#ifdef LDAP_X_TXN
int settle = 0;
#endif
Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(mdb_add) ": %s\n",
op->ora_e->e_name.bv_val, 0, 0);
#ifdef LDAP_X_TXN
if( op->o_txnSpec ) {
/* acquire connection lock */
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
rs->sr_text = "invalid transaction identifier";
rs->sr_err = LDAP_X_TXN_ID_INVALID;
goto txnReturn;
} else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
settle=1;
goto txnReturn;
}
if( op->o_conn->c_txn_backend == NULL ) {
op->o_conn->c_txn_backend = op->o_bd;
} else if( op->o_conn->c_txn_backend != op->o_bd ) {
rs->sr_text = "transaction cannot span multiple database contexts";
rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
goto txnReturn;
}
/* insert operation into transaction */
rs->sr_text = "transaction specified";
rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;
txnReturn:
/* release connection lock */
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
if( !settle ) {
send_ldap_result( op, rs );
return rs->sr_err;
}
}
#endif
ctrls[num_ctrls] = 0;
/* check entry's schema */
rs->sr_err = entry_schema_check( op, op->ora_e, NULL,
get_relax(op), 1, NULL, &rs->sr_text, textbuf, textlen );
if ( rs->sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": entry failed schema check: "
"%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
goto return_results;
}
/* begin transaction */
rs->sr_err = mdb_opinfo_get( op, mdb, 0, &moi );
rs->sr_text = NULL;
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": txn_begin failed: %s (%d)\n",
mdb_strerror(rs->sr_err), rs->sr_err, 0 );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
txn = moi->moi_txn;
/* add opattrs to shadow as well, only missing attrs will actually
* be added; helps compatibility with older OL versions */
rs->sr_err = slap_add_opattrs( op, &rs->sr_text, textbuf, textlen, 1 );
if ( rs->sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": entry failed op attrs add: "
"%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
goto return_results;
}
if ( get_assert( op ) &&
( test_filter( op, op->ora_e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
{
rs->sr_err = LDAP_ASSERTION_FAILED;
goto return_results;
}
subentry = is_entry_subentry( op->ora_e );
/*
* Get the parent dn and see if the corresponding entry exists.
*/
if ( be_issuffix( op->o_bd, &op->ora_e->e_nname ) ) {
pdn = slap_empty_bv;
} else {
dnParent( &op->ora_e->e_nname, &pdn );
}
rs->sr_err = mdb_cursor_open( txn, mdb->mi_dn2id, &mcd );
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": mdb_cursor_open failed (%d)\n",
rs->sr_err, 0, 0 );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
/* get entry or parent */
rs->sr_err = mdb_dn2entry( op, txn, mcd, &op->ora_e->e_nname, &p, NULL, 1 );
switch( rs->sr_err ) {
case 0:
rs->sr_err = LDAP_ALREADY_EXISTS;
mdb_entry_return( op, p );
p = NULL;
goto return_results;
case MDB_NOTFOUND:
break;
case LDAP_BUSY:
rs->sr_text = "ldap server busy";
goto return_results;
default:
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
if ( !p )
p = (Entry *)&slap_entry_root;
if ( !bvmatch( &pdn, &p->e_nname ) ) {
rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
op->o_tmpmemctx );
if ( p != (Entry *)&slap_entry_root && is_entry_referral( p )) {
BerVarray ref = get_entry_referrals( op, p );
rs->sr_ref = referral_rewrite( ref, &p->e_name,
&op->o_req_dn, LDAP_SCOPE_DEFAULT );
ber_bvarray_free( ref );
} else {
rs->sr_ref = NULL;
}
if ( p != (Entry *)&slap_entry_root )
mdb_entry_return( op, p );
p = NULL;
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": parent "
"does not exist\n", 0, 0, 0 );
rs->sr_err = LDAP_REFERRAL;
rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
goto return_results;
}
rs->sr_err = access_allowed( op, p,
children, NULL, ACL_WADD, NULL );
if ( ! rs->sr_err ) {
if ( p != (Entry *)&slap_entry_root )
mdb_entry_return( op, p );
p = NULL;
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": no write access to parent\n",
0, 0, 0 );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to parent";
goto return_results;;
}
if ( p != (Entry *)&slap_entry_root ) {
if ( is_entry_subentry( p ) ) {
mdb_entry_return( op, p );
p = NULL;
/* parent is a subentry, don't allow add */
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": parent is subentry\n",
0, 0, 0 );
rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
rs->sr_text = "parent is a subentry";
goto return_results;;
}
if ( is_entry_alias( p ) ) {
mdb_entry_return( op, p );
p = NULL;
/* parent is an alias, don't allow add */
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": parent is alias\n",
0, 0, 0 );
rs->sr_err = LDAP_ALIAS_PROBLEM;
rs->sr_text = "parent is an alias";
goto return_results;;
}
if ( is_entry_referral( p ) ) {
BerVarray ref = get_entry_referrals( op, p );
/* parent is a referral, don't allow add */
rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
op->o_tmpmemctx );
rs->sr_ref = referral_rewrite( ref, &p->e_name,
&op->o_req_dn, LDAP_SCOPE_DEFAULT );
ber_bvarray_free( ref );
mdb_entry_return( op, p );
p = NULL;
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": parent is referral\n",
0, 0, 0 );
rs->sr_err = LDAP_REFERRAL;
rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
goto return_results;
}
}
if ( subentry ) {
/* FIXME: */
/* parent must be an administrative point of the required kind */
}
/* free parent */
if ( p != (Entry *)&slap_entry_root ) {
pid = p->e_id;
if ( p->e_nname.bv_len ) {
struct berval ppdn;
/* ITS#5326: use parent's DN if differs from provided one */
dnParent( &op->ora_e->e_name, &ppdn );
if ( !dn_match( &p->e_name, &ppdn ) ) {
struct berval rdn;
struct berval newdn;
dnRdn( &op->ora_e->e_name, &rdn );
build_new_dn( &newdn, &p->e_name, &rdn, NULL );
if ( op->ora_e->e_name.bv_val != op->o_req_dn.bv_val )
ber_memfree( op->ora_e->e_name.bv_val );
op->ora_e->e_name = newdn;
/* FIXME: should check whether
* dnNormalize(newdn) == e->e_nname ... */
}
}
mdb_entry_return( op, p );
}
p = NULL;
rs->sr_err = access_allowed( op, op->ora_e,
entry, NULL, ACL_WADD, NULL );
if ( ! rs->sr_err ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": no write access to entry\n",
0, 0, 0 );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to entry";
goto return_results;;
}
/*
* Check ACL for attribute write access
*/
if (!acl_check_modlist(op, oe, op->ora_modlist)) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": no write access to attribute\n",
0, 0, 0 );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to attribute";
goto return_results;;
}
rs->sr_err = mdb_cursor_open( txn, mdb->mi_id2entry, &mc );
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": mdb_cursor_open failed (%d)\n",
rs->sr_err, 0, 0 );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
rs->sr_err = mdb_next_id( op->o_bd, mc, &eid );
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": next_id failed (%d)\n",
rs->sr_err, 0, 0 );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
op->ora_e->e_id = eid;
/* dn2id index */
rs->sr_err = mdb_dn2id_add( op, mcd, mcd, pid, 1, 1, op->ora_e );
mdb_cursor_close( mcd );
if ( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": dn2id_add failed: %s (%d)\n",
mdb_strerror(rs->sr_err), rs->sr_err, 0 );
switch( rs->sr_err ) {
case MDB_KEYEXIST:
rs->sr_err = LDAP_ALREADY_EXISTS;
break;
default:
rs->sr_err = LDAP_OTHER;
}
goto return_results;
}
/* attribute indexes */
rs->sr_err = mdb_index_entry_add( op, txn, op->ora_e );
if ( rs->sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": index_entry_add failed\n",
0, 0, 0 );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "index generation failed";
goto return_results;
}
/* id2entry index */
rs->sr_err = mdb_id2entry_add( op, txn, mc, op->ora_e );
if ( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": id2entry_add failed\n",
0, 0, 0 );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "entry store failed";
goto return_results;
}
/* post-read */
if( op->o_postread ) {
if( postread_ctrl == NULL ) {
postread_ctrl = &ctrls[num_ctrls++];
ctrls[num_ctrls] = NULL;
}
if ( slap_read_controls( op, rs, op->ora_e,
&slap_post_read_bv, postread_ctrl ) )
{
Debug( LDAP_DEBUG_TRACE,
"<=- " LDAP_XSTRING(mdb_add) ": post-read "
"failed!\n", 0, 0, 0 );
if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
/* FIXME: is it correct to abort
* operation if control fails? */
goto return_results;
}
}
}
if ( moi == &opinfo ) {
LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
opinfo.moi_oe.oe_key = NULL;
if ( op->o_noop ) {
mdb->mi_numads = numads;
mdb_txn_abort( txn );
rs->sr_err = LDAP_X_NO_OPERATION;
txn = NULL;
goto return_results;
}
rs->sr_err = mdb_txn_commit( txn );
txn = NULL;
if ( rs->sr_err != 0 ) {
mdb->mi_numads = numads;
rs->sr_text = "txn_commit failed";
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(mdb_add) ": %s : %s (%d)\n",
rs->sr_text, mdb_strerror(rs->sr_err), rs->sr_err );
rs->sr_err = LDAP_OTHER;
goto return_results;
}
}
Debug(LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": added%s id=%08lx dn=\"%s\"\n",
op->o_noop ? " (no-op)" : "",
op->ora_e->e_id, op->ora_e->e_dn );
rs->sr_text = NULL;
if( num_ctrls ) rs->sr_ctrls = ctrls;
return_results:
success = rs->sr_err;
send_ldap_result( op, rs );
if( moi == &opinfo ) {
if( txn != NULL ) {
mdb->mi_numads = numads;
mdb_txn_abort( txn );
}
if ( opinfo.moi_oe.oe_key ) {
LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
}
} else {
moi->moi_ref--;
}
if( success == LDAP_SUCCESS ) {
#if 0
if ( mdb->bi_txn_cp_kbyte ) {
TXN_CHECKPOINT( mdb->bi_dbenv,
mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 );
}
#endif
}
slap_graduate_commit_csn( op );
if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
}
return rs->sr_err;
}
/* reindex entries on the fly */
static void *
mdb_online_index( void *ctx, void *arg )
{
struct re_s *rtask = arg;
BackendDB *be = rtask->arg;
struct mdb_info *mdb = be->be_private;
Connection conn = {0};
OperationBuffer opbuf;
Operation *op;
MDB_cursor *curs;
MDB_val key, data;
MDB_txn *txn;
ID id;
Entry *e;
int rc, getnext = 1;
int i;
connection_fake_init( &conn, &opbuf, ctx );
op = &opbuf.ob_op;
op->o_bd = be;
id = 1;
key.mv_size = sizeof(ID);
while ( 1 ) {
if ( slapd_shutdown )
break;
rc = mdb_txn_begin( mdb->mi_dbenv, NULL, 0, &txn );
if ( rc )
break;
rc = mdb_cursor_open( txn, mdb->mi_id2entry, &curs );
if ( rc ) {
mdb_txn_abort( txn );
break;
}
if ( getnext ) {
getnext = 0;
key.mv_data = &id;
rc = mdb_cursor_get( curs, &key, &data, MDB_SET_RANGE );
if ( rc ) {
mdb_txn_abort( txn );
if ( rc == MDB_NOTFOUND )
rc = 0;
break;
}
memcpy( &id, key.mv_data, sizeof( id ));
}
rc = mdb_id2entry( op, curs, id, &e );
mdb_cursor_close( curs );
if ( rc ) {
mdb_txn_abort( txn );
if ( rc == MDB_NOTFOUND ) {
id++;
getnext = 1;
continue;
}
break;
}
rc = mdb_index_entry( op, txn, MDB_INDEX_UPDATE_OP, e );
mdb_entry_return( op, e );
if ( rc == 0 ) {
rc = mdb_txn_commit( txn );
txn = NULL;
} else {
mdb_txn_abort( txn );
txn = NULL;
}
if ( rc ) {
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(mdb_online_index) ": database %s: "
"txn_commit failed: %s (%d)\n",
be->be_suffix[0].bv_val, mdb_strerror(rc), rc );
break;
}
id++;
getnext = 1;
}
for ( i = 0; i < mdb->mi_nattrs; i++ ) {
if ( mdb->mi_attrs[ i ]->ai_indexmask & MDB_INDEX_DELETING
|| mdb->mi_attrs[ i ]->ai_newmask == 0 )
{
continue;
}
mdb->mi_attrs[ i ]->ai_indexmask = mdb->mi_attrs[ i ]->ai_newmask;
mdb->mi_attrs[ i ]->ai_newmask = 0;
}
ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
mdb->mi_index_task = NULL;
ldap_pvt_runqueue_remove( &slapd_rq, rtask );
ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
return NULL;
}
int
mdb_delete( Operation *op, SlapReply *rs )
{
struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
struct berval pdn = {0, NULL};
Entry *e = NULL;
Entry *p = NULL;
int manageDSAit = get_manageDSAit( op );
AttributeDescription *children = slap_schema.si_ad_children;
AttributeDescription *entry = slap_schema.si_ad_entry;
MDB_txn *txn = NULL;
MDB_cursor *mc;
mdb_op_info opinfo = {{{ 0 }}}, *moi = &opinfo;
LDAPControl **preread_ctrl = NULL;
LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
int num_ctrls = 0;
int parent_is_glue = 0;
int parent_is_leaf = 0;
#ifdef LDAP_X_TXN
int settle = 0;
#endif
Debug( LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(mdb_delete) ": %s\n",
op->o_req_dn.bv_val, 0, 0 );
#ifdef LDAP_X_TXN
if( op->o_txnSpec ) {
/* acquire connection lock */
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
rs->sr_text = "invalid transaction identifier";
rs->sr_err = LDAP_X_TXN_ID_INVALID;
goto txnReturn;
} else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
settle=1;
goto txnReturn;
}
if( op->o_conn->c_txn_backend == NULL ) {
op->o_conn->c_txn_backend = op->o_bd;
} else if( op->o_conn->c_txn_backend != op->o_bd ) {
rs->sr_text = "transaction cannot span multiple database contexts";
rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
goto txnReturn;
}
/* insert operation into transaction */
rs->sr_text = "transaction specified";
rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;
txnReturn:
/* release connection lock */
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
if( !settle ) {
send_ldap_result( op, rs );
return rs->sr_err;
}
}
#endif
ctrls[num_ctrls] = 0;
/* begin transaction */
rs->sr_err = mdb_opinfo_get( op, mdb, 0, &moi );
rs->sr_text = NULL;
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_delete) ": txn_begin failed: "
"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
txn = moi->moi_txn;
/* allocate CSN */
if ( BER_BVISNULL( &op->o_csn ) ) {
struct berval csn;
char csnbuf[LDAP_PVT_CSNSTR_BUFSIZE];
csn.bv_val = csnbuf;
csn.bv_len = sizeof(csnbuf);
slap_get_csn( op, &csn, 1 );
}
if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
dnParent( &op->o_req_ndn, &pdn );
}
rs->sr_err = mdb_cursor_open( txn, mdb->mi_dn2id, &mc );
if ( rs->sr_err ) {
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
/* get parent */
rs->sr_err = mdb_dn2entry( op, txn, mc, &pdn, &p, NULL, 1 );
switch( rs->sr_err ) {
case 0:
case MDB_NOTFOUND:
break;
case LDAP_BUSY:
rs->sr_text = "ldap server busy";
goto return_results;
default:
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
if ( rs->sr_err == MDB_NOTFOUND ) {
Debug( LDAP_DEBUG_ARGS,
"<=- " LDAP_XSTRING(mdb_delete) ": no such object %s\n",
op->o_req_dn.bv_val, 0, 0);
if ( p && !BER_BVISEMPTY( &p->e_name )) {
rs->sr_matched = ch_strdup( p->e_name.bv_val );
if ( is_entry_referral( p )) {
BerVarray ref = get_entry_referrals( op, p );
rs->sr_ref = referral_rewrite( ref, &p->e_name,
&op->o_req_dn, LDAP_SCOPE_DEFAULT );
ber_bvarray_free( ref );
} else {
rs->sr_ref = NULL;
}
} else {
rs->sr_ref = referral_rewrite( default_referral, NULL,
&op->o_req_dn, LDAP_SCOPE_DEFAULT );
}
if ( p ) {
mdb_entry_return( op, p );
p = NULL;
}
rs->sr_err = LDAP_REFERRAL;
rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
goto return_results;
}
/* get entry */
rs->sr_err = mdb_dn2entry( op, txn, mc, &op->o_req_ndn, &e, NULL, 0 );
switch( rs->sr_err ) {
case MDB_NOTFOUND:
e = p;
p = NULL;
case 0:
break;
case LDAP_BUSY:
rs->sr_text = "ldap server busy";
goto return_results;
default:
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
/* FIXME : dn2entry() should return non-glue entry */
if ( rs->sr_err == MDB_NOTFOUND || ( !manageDSAit && is_entry_glue( e ))) {
Debug( LDAP_DEBUG_ARGS,
"<=- " LDAP_XSTRING(mdb_delete) ": no such object %s\n",
op->o_req_dn.bv_val, 0, 0);
rs->sr_matched = ch_strdup( e->e_dn );
if ( is_entry_referral( e )) {
BerVarray ref = get_entry_referrals( op, e );
rs->sr_ref = referral_rewrite( ref, &e->e_name,
&op->o_req_dn, LDAP_SCOPE_DEFAULT );
ber_bvarray_free( ref );
} else {
rs->sr_ref = NULL;
}
mdb_entry_return( op, e );
e = NULL;
rs->sr_err = LDAP_REFERRAL;
rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
goto return_results;
}
if ( pdn.bv_len != 0 ) {
/* check parent for "children" acl */
rs->sr_err = access_allowed( op, p,
children, NULL, ACL_WDEL, NULL );
if ( !rs->sr_err ) {
Debug( LDAP_DEBUG_TRACE,
"<=- " LDAP_XSTRING(mdb_delete) ": no write "
"access to parent\n", 0, 0, 0 );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to parent";
goto return_results;
}
} else {
/* no parent, must be root to delete */
if( ! be_isroot( op ) ) {
if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
|| be_shadow_update( op ) ) {
p = (Entry *)&slap_entry_root;
/* check parent for "children" acl */
rs->sr_err = access_allowed( op, p,
children, NULL, ACL_WDEL, NULL );
p = NULL;
if ( !rs->sr_err ) {
Debug( LDAP_DEBUG_TRACE,
"<=- " LDAP_XSTRING(mdb_delete)
": no access to parent\n",
0, 0, 0 );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to parent";
goto return_results;
}
} else {
Debug( LDAP_DEBUG_TRACE,
"<=- " LDAP_XSTRING(mdb_delete)
": no parent and not root\n", 0, 0, 0 );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
goto return_results;
}
}
}
if ( get_assert( op ) &&
( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
{
rs->sr_err = LDAP_ASSERTION_FAILED;
goto return_results;
}
rs->sr_err = access_allowed( op, e,
entry, NULL, ACL_WDEL, NULL );
if ( !rs->sr_err ) {
Debug( LDAP_DEBUG_TRACE,
"<=- " LDAP_XSTRING(mdb_delete) ": no write access "
"to entry\n", 0, 0, 0 );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to entry";
goto return_results;
}
if ( !manageDSAit && is_entry_referral( e ) ) {
/* entry is a referral, don't allow delete */
rs->sr_ref = get_entry_referrals( op, e );
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_delete) ": entry is referral\n",
0, 0, 0 );
rs->sr_err = LDAP_REFERRAL;
rs->sr_matched = ch_strdup( e->e_name.bv_val );
rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
goto return_results;
}
/* pre-read */
if( op->o_preread ) {
if( preread_ctrl == NULL ) {
preread_ctrl = &ctrls[num_ctrls++];
ctrls[num_ctrls] = NULL;
}
if( slap_read_controls( op, rs, e,
&slap_pre_read_bv, preread_ctrl ) )
{
Debug( LDAP_DEBUG_TRACE,
"<=- " LDAP_XSTRING(mdb_delete) ": pre-read "
"failed!\n", 0, 0, 0 );
if ( op->o_preread & SLAP_CONTROL_CRITICAL ) {
/* FIXME: is it correct to abort
* operation if control fails? */
goto return_results;
}
}
}
rs->sr_text = NULL;
/* Can't do it if we have kids */
rs->sr_err = mdb_dn2id_children( op, txn, e );
if( rs->sr_err != MDB_NOTFOUND ) {
switch( rs->sr_err ) {
case 0:
Debug(LDAP_DEBUG_ARGS,
"<=- " LDAP_XSTRING(mdb_delete)
": non-leaf %s\n",
op->o_req_dn.bv_val, 0, 0);
rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
rs->sr_text = "subordinate objects must be deleted first";
break;
default:
Debug(LDAP_DEBUG_ARGS,
"<=- " LDAP_XSTRING(mdb_delete)
": has_children failed: %s (%d)\n",
mdb_strerror(rs->sr_err), rs->sr_err, 0 );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
}
goto return_results;
}
/* delete from dn2id */
rs->sr_err = mdb_dn2id_delete( op, mc, e->e_id, 1 );
mdb_cursor_close( mc );
if ( rs->sr_err != 0 ) {
Debug(LDAP_DEBUG_TRACE,
"<=- " LDAP_XSTRING(mdb_delete) ": dn2id failed: "
"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
rs->sr_text = "DN index delete failed";
rs->sr_err = LDAP_OTHER;
goto return_results;
}
/* delete indices for old attributes */
rs->sr_err = mdb_index_entry_del( op, txn, e );
if ( rs->sr_err != LDAP_SUCCESS ) {
Debug(LDAP_DEBUG_TRACE,
"<=- " LDAP_XSTRING(mdb_delete) ": index failed: "
"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
rs->sr_text = "entry index delete failed";
rs->sr_err = LDAP_OTHER;
goto return_results;
}
/* fixup delete CSN */
if ( !SLAP_SHADOW( op->o_bd )) {
struct berval vals[2];
assert( !BER_BVISNULL( &op->o_csn ) );
vals[0] = op->o_csn;
BER_BVZERO( &vals[1] );
rs->sr_err = mdb_index_values( op, txn, slap_schema.si_ad_entryCSN,
vals, 0, SLAP_INDEX_ADD_OP );
if ( rs->sr_err != LDAP_SUCCESS ) {
rs->sr_text = "entryCSN index update failed";
rs->sr_err = LDAP_OTHER;
goto return_results;
}
}
/* delete from id2entry */
rs->sr_err = mdb_id2entry_delete( op->o_bd, txn, e );
if ( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
"<=- " LDAP_XSTRING(mdb_delete) ": id2entry failed: "
"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
rs->sr_text = "entry delete failed";
rs->sr_err = LDAP_OTHER;
goto return_results;
}
if ( pdn.bv_len != 0 ) {
parent_is_glue = is_entry_glue(p);
rs->sr_err = mdb_dn2id_children( op, txn, p );
if ( rs->sr_err != MDB_NOTFOUND ) {
switch( rs->sr_err ) {
case 0:
break;
default:
Debug(LDAP_DEBUG_ARGS,
"<=- " LDAP_XSTRING(mdb_delete)
": has_children failed: %s (%d)\n",
mdb_strerror(rs->sr_err), rs->sr_err, 0 );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
parent_is_leaf = 1;
}
mdb_entry_return( op, p );
p = NULL;
}
if( moi == &opinfo ) {
LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
opinfo.moi_oe.oe_key = NULL;
if( op->o_noop ) {
mdb_txn_abort( txn );
rs->sr_err = LDAP_X_NO_OPERATION;
txn = NULL;
goto return_results;
} else {
rs->sr_err = mdb_txn_commit( txn );
}
txn = NULL;
}
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(mdb_delete) ": txn_%s failed: %s (%d)\n",
op->o_noop ? "abort (no-op)" : "commit",
mdb_strerror(rs->sr_err), rs->sr_err );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "commit failed";
goto return_results;
}
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_delete) ": deleted%s id=%08lx dn=\"%s\"\n",
op->o_noop ? " (no-op)" : "",
e->e_id, op->o_req_dn.bv_val );
rs->sr_err = LDAP_SUCCESS;
rs->sr_text = NULL;
if( num_ctrls ) rs->sr_ctrls = ctrls;
return_results:
if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
op->o_delete_glue_parent = 1;
}
if ( p != NULL ) {
mdb_entry_return( op, p );
}
/* free entry */
if( e != NULL ) {
mdb_entry_return( op, e );
}
if( moi == &opinfo ) {
if( txn != NULL ) {
mdb_txn_abort( txn );
}
if ( opinfo.moi_oe.oe_key ) {
LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
}
} else {
moi->moi_ref--;
}
send_ldap_result( op, rs );
slap_graduate_commit_csn( op );
if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) {
slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
}
#if 0
if( rs->sr_err == LDAP_SUCCESS && mdb->bi_txn_cp_kbyte ) {
TXN_CHECKPOINT( mdb->bi_dbenv,
mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 );
}
#endif
return rs->sr_err;
}
static int
mdb_tool_entry_get_int( BackendDB *be, ID id, Entry **ep )
{
Operation op = {0};
Opheader ohdr = {0};
Entry *e = NULL;
struct berval dn = BER_BVNULL, ndn = BER_BVNULL;
int rc;
assert( be != NULL );
assert( slapMode & SLAP_TOOL_MODE );
if ( ( tool_filter || tool_base ) && id == previd && tool_next_entry != NULL ) {
*ep = tool_next_entry;
tool_next_entry = NULL;
return LDAP_SUCCESS;
}
if ( id != previd ) {
key.mv_size = sizeof(ID);
key.mv_data = &id;
rc = mdb_cursor_get( cursor, &key, &data, MDB_SET );
if ( rc ) {
rc = LDAP_OTHER;
goto done;
}
}
op.o_hdr = &ohdr;
op.o_bd = be;
op.o_tmpmemctx = NULL;
op.o_tmpmfuncs = &ch_mfuncs;
if ( slapMode & SLAP_TOOL_READONLY ) {
rc = mdb_id2name( &op, txn, &idcursor, id, &dn, &ndn );
if ( rc ) {
rc = LDAP_OTHER;
if ( e ) {
mdb_entry_return( &op, e );
e = NULL;
}
goto done;
}
if ( tool_base != NULL ) {
if ( !dnIsSuffixScope( &ndn, tool_base, tool_scope ) ) {
ch_free( dn.bv_val );
ch_free( ndn.bv_val );
rc = LDAP_NO_SUCH_OBJECT;
}
}
}
rc = mdb_entry_decode( &op, &data, &e );
e->e_id = id;
if ( !BER_BVISNULL( &dn )) {
e->e_name = dn;
e->e_nname = ndn;
} else {
e->e_name.bv_val = NULL;
e->e_nname.bv_val = NULL;
}
done:
if ( e != NULL ) {
*ep = e;
}
return rc;
}
int
mdb_compare( Operation *op, SlapReply *rs )
{
struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
Entry *e = NULL;
int manageDSAit = get_manageDSAit( op );
MDB_txn *rtxn;
mdb_op_info opinfo = {{{0}}}, *moi = &opinfo;
rs->sr_err = mdb_opinfo_get(op, mdb, 1, &moi);
switch(rs->sr_err) {
case 0:
break;
default:
send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
return rs->sr_err;
}
rtxn = moi->moi_txn;
/* get entry */
rs->sr_err = mdb_dn2entry( op, rtxn, NULL, &op->o_req_ndn, &e, NULL, 1 );
switch( rs->sr_err ) {
case MDB_NOTFOUND:
case 0:
break;
case LDAP_BUSY:
rs->sr_text = "ldap server busy";
goto return_results;
default:
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
if ( rs->sr_err == MDB_NOTFOUND ) {
if ( e != NULL ) {
/* return referral only if "disclose" is granted on the object */
if ( ! access_allowed( op, e, slap_schema.si_ad_entry,
NULL, ACL_DISCLOSE, NULL ) )
{
rs->sr_err = LDAP_NO_SUCH_OBJECT;
} else {
rs->sr_matched = ch_strdup( e->e_dn );
if ( is_entry_referral( e )) {
BerVarray ref = get_entry_referrals( op, e );
rs->sr_ref = referral_rewrite( ref, &e->e_name,
&op->o_req_dn, LDAP_SCOPE_DEFAULT );
ber_bvarray_free( ref );
} else {
rs->sr_ref = NULL;
}
rs->sr_err = LDAP_REFERRAL;
}
mdb_entry_return( op, e );
e = NULL;
} else {
rs->sr_ref = referral_rewrite( default_referral,
NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
rs->sr_err = rs->sr_ref ? LDAP_REFERRAL : LDAP_NO_SUCH_OBJECT;
}
rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
send_ldap_result( op, rs );
goto done;
}
if (!manageDSAit && is_entry_referral( e ) ) {
/* return referral only if "disclose" is granted on the object */
if ( !access_allowed( op, e, slap_schema.si_ad_entry,
NULL, ACL_DISCLOSE, NULL ) )
{
rs->sr_err = LDAP_NO_SUCH_OBJECT;
} else {
/* entry is a referral, don't allow compare */
rs->sr_ref = get_entry_referrals( op, e );
rs->sr_err = LDAP_REFERRAL;
rs->sr_matched = e->e_name.bv_val;
}
Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0, 0, 0 );
send_ldap_result( op, rs );
ber_bvarray_free( rs->sr_ref );
rs->sr_ref = NULL;
rs->sr_matched = NULL;
goto done;
}
rs->sr_err = slap_compare_entry( op, e, op->orc_ava );
return_results:
send_ldap_result( op, rs );
switch ( rs->sr_err ) {
case LDAP_COMPARE_FALSE:
case LDAP_COMPARE_TRUE:
rs->sr_err = LDAP_SUCCESS;
break;
}
done:
if ( moi == &opinfo ) {
mdb_txn_reset( moi->moi_txn );
LDAP_SLIST_REMOVE( &op->o_extra, &moi->moi_oe, OpExtra, oe_next );
} else {
moi->moi_ref--;
}
/* free entry */
if ( e != NULL ) {
mdb_entry_return( op, e );
}
return rs->sr_err;
}
