int asyncmeta_handle_common_result(LDAPMessage *msg, a_metaconn_t *mc, bm_context_t *bc, int candidate)
{
a_metainfo_t *mi;
a_metatarget_t *mt;
a_metasingleconn_t *msc;
const char *save_text = NULL,
*save_matched = NULL;
BerVarray save_ref = NULL;
LDAPControl **save_ctrls = NULL;
void *matched_ctx = NULL;
char *matched = NULL;
char *text = NULL;
char **refs = NULL;
LDAPControl **ctrls = NULL;
Operation *op;
SlapReply *rs;
int rc;
mi = mc->mc_info;
mt = mi->mi_targets[ candidate ];
msc = &mc->mc_conns[ candidate ];
op = bc->op;
rs = &bc->rs;
save_text = rs->sr_text,
save_matched = rs->sr_matched;
save_ref = rs->sr_ref;
save_ctrls = rs->sr_ctrls;
rs->sr_text = NULL;
rs->sr_matched = NULL;
rs->sr_ref = NULL;
rs->sr_ctrls = NULL;
/* only touch when activity actually took place... */
if ( mi->mi_idle_timeout != 0 ) {
asyncmeta_set_msc_time(msc);
}
rc = ldap_parse_result( msc->msc_ldr, msg, &rs->sr_err,
&matched, &text, &refs, &ctrls, 0 );
if ( rc == LDAP_SUCCESS ) {
rs->sr_text = text;
} else {
rs->sr_err = rc;
}
rs->sr_err = slap_map_api2result( rs );
/* RFC 4511: referrals can only appear
* if result code is LDAP_REFERRAL */
if ( refs != NULL
&& refs[ 0 ] != NULL
&& refs[ 0 ][ 0 ] != '\0' )
{
if ( rs->sr_err != LDAP_REFERRAL ) {
Debug( LDAP_DEBUG_ANY,
"%s asyncmeta_handle_common_result[%d]: "
"got referrals with err=%d\n",
op->o_log_prefix,
candidate, rs->sr_err );
} else {
int i;
for ( i = 0; refs[ i ] != NULL; i++ )
/* count */ ;
rs->sr_ref = op->o_tmpalloc( sizeof( struct berval ) * ( i + 1 ),
op->o_tmpmemctx );
for ( i = 0; refs[ i ] != NULL; i++ ) {
ber_str2bv( refs[ i ], 0, 0, &rs->sr_ref[ i ] );
}
BER_BVZERO( &rs->sr_ref[ i ] );
}
} else if ( rs->sr_err == LDAP_REFERRAL ) {
Debug( LDAP_DEBUG_ANY,
"%s asyncmeta_handle_common_result[%d]: "
"got err=%d with null "
"or empty referrals\n",
op->o_log_prefix,
candidate, rs->sr_err );
rs->sr_err = LDAP_NO_SUCH_OBJECT;
}
if ( ctrls != NULL ) {
rs->sr_ctrls = ctrls;
}
/* if the error in the reply structure is not
* LDAP_SUCCESS, try to map it from client
* to server error */
if ( !LDAP_ERR_OK( rs->sr_err ) ) {
rs->sr_err = slap_map_api2result( rs );
/* internal ops ( op->o_conn == NULL )
* must not reply to client */
if ( op->o_conn && !op->o_do_not_cache && matched ) {
/* record the (massaged) matched
* DN into the reply structure */
rs->sr_matched = matched;
}
}
if ( META_BACK_TGT_QUARANTINE( mt ) ) {
asyncmeta_quarantine( op, mi, rs, candidate );
}
if ( matched != NULL ) {
struct berval dn, pdn;
ber_str2bv( matched, 0, 0, &dn );
if ( dnPretty( NULL, &dn, &pdn, op->o_tmpmemctx ) == LDAP_SUCCESS ) {
ldap_memfree( matched );
matched_ctx = op->o_tmpmemctx;
matched = pdn.bv_val;
}
rs->sr_matched = matched;
}
if ( rs->sr_err == LDAP_UNAVAILABLE || rs->sr_err == LDAP_SERVER_DOWN ) {
if ( rs->sr_text == NULL ) {
rs->sr_text = "Target is unavailable";
}
}
ldap_pvt_thread_mutex_lock( &mc->mc_om_mutex );
asyncmeta_drop_bc( mc, bc);
ldap_pvt_thread_mutex_unlock( &mc->mc_om_mutex );
if ( op->o_conn ) {
asyncmeta_send_ldap_result(bc, op, rs);
}
if ( matched ) {
op->o_tmpfree( (char *)rs->sr_matched, matched_ctx );
}
if ( text ) {
ldap_memfree( text );
}
if ( rs->sr_ref ) {
op->o_tmpfree( rs->sr_ref, op->o_tmpmemctx );
rs->sr_ref = NULL;
}
if ( refs ) {
ber_memvfree( (void **)refs );
}
if ( ctrls ) {
assert( rs->sr_ctrls != NULL );
ldap_controls_free( ctrls );
}
rs->sr_text = save_text;
rs->sr_matched = save_matched;
rs->sr_ref = save_ref;
rs->sr_ctrls = save_ctrls;
rc = (LDAP_ERR_OK( rs->sr_err ) ? LDAP_SUCCESS : rs->sr_err);
ldap_pvt_thread_mutex_lock( &mc->mc_om_mutex );
asyncmeta_clear_bm_context(bc);
ldap_pvt_thread_mutex_unlock( &mc->mc_om_mutex );
return rc;
}
/*
* FIXME: error return must be handled in a cleaner way ...
*/
int
meta_back_op_result(
metaconn_t *mc,
Operation *op,
SlapReply *rs,
int candidate,
ber_int_t msgid,
time_t timeout,
ldap_back_send_t sendok )
{
metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
const char *save_text = rs->sr_text,
*save_matched = rs->sr_matched;
BerVarray save_ref = rs->sr_ref;
LDAPControl **save_ctrls = rs->sr_ctrls;
void *matched_ctx = NULL;
char *matched = NULL;
char *text = NULL;
char **refs = NULL;
LDAPControl **ctrls = NULL;
assert( mc != NULL );
rs->sr_text = NULL;
rs->sr_matched = NULL;
rs->sr_ref = NULL;
rs->sr_ctrls = NULL;
if ( candidate != META_TARGET_NONE ) {
metatarget_t *mt = mi->mi_targets[ candidate ];
metasingleconn_t *msc = &mc->mc_conns[ candidate ];
if ( LDAP_ERR_OK( rs->sr_err ) ) {
int rc;
struct timeval tv;
LDAPMessage *res = NULL;
time_t stoptime = (time_t)(-1);
int timeout_err = op->o_protocol >= LDAP_VERSION3 ?
LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
const char *timeout_text = "Operation timed out";
/* if timeout is not specified, compute and use
* the one specific to the ongoing operation */
if ( timeout == (time_t)(-1) ) {
slap_op_t opidx = slap_req2op( op->o_tag );
if ( opidx == SLAP_OP_SEARCH ) {
if ( op->ors_tlimit <= 0 ) {
timeout = 0;
} else {
timeout = op->ors_tlimit;
timeout_err = LDAP_TIMELIMIT_EXCEEDED;
timeout_text = NULL;
}
} else {
timeout = mt->mt_timeout[ opidx ];
}
}
/* better than nothing :) */
if ( timeout == 0 ) {
if ( mi->mi_idle_timeout ) {
timeout = mi->mi_idle_timeout;
} else if ( mi->mi_conn_ttl ) {
timeout = mi->mi_conn_ttl;
}
}
if ( timeout ) {
stoptime = op->o_time + timeout;
}
LDAP_BACK_TV_SET( &tv );
retry:;
rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
switch ( rc ) {
case 0:
if ( timeout && slap_get_time() > stoptime ) {
(void)meta_back_cancel( mc, op, rs, msgid, candidate, sendok );
rs->sr_err = timeout_err;
rs->sr_text = timeout_text;
break;
}
LDAP_BACK_TV_SET( &tv );
ldap_pvt_thread_yield();
goto retry;
case -1:
ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE,
&rs->sr_err );
break;
/* otherwise get the result; if it is not
* LDAP_SUCCESS, record it in the reply
* structure (this includes
* LDAP_COMPARE_{TRUE|FALSE}) */
default:
/* only touch when activity actually took place... */
if ( mi->mi_idle_timeout != 0 && msc->msc_time < op->o_time ) {
msc->msc_time = op->o_time;
}
rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
&matched, &text, &refs, &ctrls, 1 );
res = NULL;
if ( rc == LDAP_SUCCESS ) {
rs->sr_text = text;
} else {
rs->sr_err = rc;
}
rs->sr_err = slap_map_api2result( rs );
/* RFC 4511: referrals can only appear
* if result code is LDAP_REFERRAL */
if ( refs != NULL
&& refs[ 0 ] != NULL
&& refs[ 0 ][ 0 ] != '\0' )
{
if ( rs->sr_err != LDAP_REFERRAL ) {
Debug( LDAP_DEBUG_ANY,
"%s meta_back_op_result[%d]: "
"got referrals with err=%d\n",
op->o_log_prefix,
candidate, rs->sr_err );
} else {
int i;
for ( i = 0; refs[ i ] != NULL; i++ )
/* count */ ;
rs->sr_ref = op->o_tmpalloc( sizeof( struct berval ) * ( i + 1 ),
op->o_tmpmemctx );
for ( i = 0; refs[ i ] != NULL; i++ ) {
ber_str2bv( refs[ i ], 0, 0, &rs->sr_ref[ i ] );
}
BER_BVZERO( &rs->sr_ref[ i ] );
}
} else if ( rs->sr_err == LDAP_REFERRAL ) {
Debug( LDAP_DEBUG_ANY,
"%s meta_back_op_result[%d]: "
"got err=%d with null "
"or empty referrals\n",
op->o_log_prefix,
candidate, rs->sr_err );
rs->sr_err = LDAP_NO_SUCH_OBJECT;
}
if ( ctrls != NULL ) {
rs->sr_ctrls = ctrls;
}
}
assert( res == NULL );
}
/* if the error in the reply structure is not
* LDAP_SUCCESS, try to map it from client
* to server error */
if ( !LDAP_ERR_OK( rs->sr_err ) ) {
rs->sr_err = slap_map_api2result( rs );
/* internal ops ( op->o_conn == NULL )
* must not reply to client */
if ( op->o_conn && !op->o_do_not_cache && matched ) {
/* record the (massaged) matched
* DN into the reply structure */
rs->sr_matched = matched;
}
}
if ( META_BACK_TGT_QUARANTINE( mt ) ) {
meta_back_quarantine( op, rs, candidate );
}
} else {
int i,
err = rs->sr_err;
for ( i = 0; i < mi->mi_ntargets; i++ ) {
metasingleconn_t *msc = &mc->mc_conns[ i ];
char *xtext = NULL;
char *xmatched = NULL;
if ( msc->msc_ld == NULL ) {
continue;
}
rs->sr_err = LDAP_SUCCESS;
ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE, &rs->sr_err );
if ( rs->sr_err != LDAP_SUCCESS ) {
/*
* better check the type of error. In some cases
* (search ?) it might be better to return a
* success if at least one of the targets gave
* positive result ...
*/
ldap_get_option( msc->msc_ld,
LDAP_OPT_DIAGNOSTIC_MESSAGE, &xtext );
if ( xtext != NULL && xtext [ 0 ] == '\0' ) {
ldap_memfree( xtext );
xtext = NULL;
}
ldap_get_option( msc->msc_ld,
LDAP_OPT_MATCHED_DN, &xmatched );
if ( xmatched != NULL && xmatched[ 0 ] == '\0' ) {
ldap_memfree( xmatched );
xmatched = NULL;
}
rs->sr_err = slap_map_api2result( rs );
if ( LogTest( LDAP_DEBUG_ANY ) ) {
char buf[ SLAP_TEXT_BUFLEN ];
snprintf( buf, sizeof( buf ),
"meta_back_op_result[%d] "
"err=%d text=\"%s\" matched=\"%s\"",
i, rs->sr_err,
( xtext ? xtext : "" ),
( xmatched ? xmatched : "" ) );
Debug( LDAP_DEBUG_ANY, "%s %s.\n",
op->o_log_prefix, buf );
}
/*
* FIXME: need to rewrite "match" (need rwinfo)
*/
switch ( rs->sr_err ) {
default:
err = rs->sr_err;
if ( xtext != NULL ) {
if ( text ) {
ldap_memfree( text );
}
text = xtext;
xtext = NULL;
}
if ( xmatched != NULL ) {
if ( matched ) {
ldap_memfree( matched );
}
matched = xmatched;
xmatched = NULL;
}
break;
}
if ( xtext ) {
ldap_memfree( xtext );
}
if ( xmatched ) {
ldap_memfree( xmatched );
}
}
if ( META_BACK_TGT_QUARANTINE( mi->mi_targets[ i ] ) ) {
meta_back_quarantine( op, rs, i );
}
}
if ( err != LDAP_SUCCESS ) {
rs->sr_err = err;
}
}
if ( matched != NULL ) {
struct berval dn, pdn;
ber_str2bv( matched, 0, 0, &dn );
if ( dnPretty( NULL, &dn, &pdn, op->o_tmpmemctx ) == LDAP_SUCCESS ) {
ldap_memfree( matched );
matched_ctx = op->o_tmpmemctx;
matched = pdn.bv_val;
}
rs->sr_matched = matched;
}
if ( rs->sr_err == LDAP_UNAVAILABLE ) {
if ( !( sendok & LDAP_BACK_RETRYING ) ) {
if ( op->o_conn && ( sendok & LDAP_BACK_SENDERR ) ) {
if ( rs->sr_text == NULL ) rs->sr_text = "Proxy operation retry failed";
send_ldap_result( op, rs );
}
}
} else if ( op->o_conn &&
( ( ( sendok & LDAP_BACK_SENDOK ) && LDAP_ERR_OK( rs->sr_err ) )
|| ( ( sendok & LDAP_BACK_SENDERR ) && !LDAP_ERR_OK( rs->sr_err ) ) ) )
{
send_ldap_result( op, rs );
}
if ( matched ) {
op->o_tmpfree( (char *)rs->sr_matched, matched_ctx );
}
if ( text ) {
ldap_memfree( text );
}
if ( rs->sr_ref ) {
op->o_tmpfree( rs->sr_ref, op->o_tmpmemctx );
rs->sr_ref = NULL;
}
if ( refs ) {
ber_memvfree( (void **)refs );
}
if ( ctrls ) {
assert( rs->sr_ctrls != NULL );
ldap_controls_free( ctrls );
}
rs->sr_text = save_text;
rs->sr_matched = save_matched;
rs->sr_ref = save_ref;
rs->sr_ctrls = save_ctrls;
return( LDAP_ERR_OK( rs->sr_err ) ? LDAP_SUCCESS : rs->sr_err );
}
