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/** BEGIN COPYRIGHT BLOCK
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#include "cb.h"
/*
* Perform an add operation
*
* Returns:
* 0 - success
* <0 - fail
*
*/
int
chaining_back_add ( Slapi_PBlock *pb )
{
Slapi_Backend *be;
Slapi_Entry *e;
cb_backend_instance *cb;
LDAPControl **serverctrls=NULL;
LDAPControl **ctrls=NULL;
int rc,parse_rc,msgid,i;
LDAP *ld=NULL;
char **referrals=NULL;
LDAPMod ** mods;
LDAPMessage * res;
char *dn,* matched_msg, *error_msg;
char *cnxerrbuf=NULL;
time_t endtime;
cb_outgoing_conn *cnx;
if ( (rc=cb_forward_operation(pb)) != LDAP_SUCCESS ) {
cb_send_ldap_result( pb, rc, NULL, "Remote data access disabled", 0, NULL );
return -1;
}
slapi_pblock_get( pb, SLAPI_BACKEND, &be );
cb = cb_get_instance(be);
/* Update monitor info */
cb_update_monitor_info(pb,cb,SLAPI_OPERATION_ADD);
/* Check wether the chaining BE is available or not */
if ( cb_check_availability( cb, pb ) == FARMSERVER_UNAVAILABLE ){
return -1;
}
slapi_pblock_get( pb, SLAPI_ADD_TARGET, &dn );
slapi_pblock_get( pb, SLAPI_ADD_ENTRY, &e );
/* Check local access controls */
if (cb->local_acl && !cb->associated_be_is_disabled) {
char * errbuf=NULL;
rc = cb_access_allowed (pb, e, NULL, NULL, SLAPI_ACL_ADD, &errbuf);
if ( rc != LDAP_SUCCESS ) {
cb_send_ldap_result( pb, rc, NULL, errbuf, 0, NULL );
slapi_ch_free((void **)&errbuf);
return -1;
}
}
/* Build LDAPMod from the SLapi_Entry */
cb_eliminate_illegal_attributes(cb,e);
if ((rc = slapi_entry2mods ((const Slapi_Entry *)e, NULL, &mods)) != LDAP_SUCCESS) {
cb_send_ldap_result( pb, rc,NULL,NULL, 0, NULL);
return -1;
}
/* Grab a connection handle */
if ((rc = cb_get_connection(cb->pool,&ld,&cnx,NULL,&cnxerrbuf)) != LDAP_SUCCESS) {
cb_send_ldap_result( pb, LDAP_OPERATIONS_ERROR,NULL,cnxerrbuf, 0, NULL);
ldap_mods_free(mods,1);
slapi_ch_free((void **)&cnxerrbuf);
/* ping the farm. If the farm is unreachable, we increment the counter */
cb_ping_farm(cb,NULL,0);
return -1;
}
/* Control management */
if ( (rc = cb_update_controls( pb,ld,&ctrls,CB_UPDATE_CONTROLS_ADDAUTH)) != LDAP_SUCCESS ) {
cb_send_ldap_result( pb, rc, NULL,NULL, 0, NULL);
cb_release_op_connection(cb->pool,ld,CB_LDAP_CONN_ERROR(rc));
ldap_mods_free(mods,1);
return -1;
}
if ( slapi_op_abandoned( pb )) {
cb_release_op_connection(cb->pool,ld,0);
ldap_mods_free(mods,1);
if ( NULL != ctrls)
ldap_controls_free(ctrls);
return -1;
}
/* heart-beat management */
if (cb->max_idle_time>0)
endtime=current_time() + cb->max_idle_time;
/* Send LDAP operation to the remote host */
rc = ldap_add_ext( ld, dn, mods, ctrls, NULL, &msgid );
if ( NULL != ctrls)
ldap_controls_free(ctrls);
if ( rc != LDAP_SUCCESS ) {
cb_send_ldap_result( pb, LDAP_OPERATIONS_ERROR, NULL,
ldap_err2string(rc), 0, NULL);
cb_release_op_connection(cb->pool,ld,CB_LDAP_CONN_ERROR(rc));
ldap_mods_free(mods,1);
return -1;
}
/*
* Poll the server for the results of the add operation.
* Check for abandoned operation regularly.
*/
while ( 1 ) {
if (cb_check_forward_abandon(cb,pb,ld,msgid)) {
/* connection handle released in cb_check_forward_abandon() */
ldap_mods_free(mods,1);
return -1;
}
rc = ldap_result( ld, msgid, 0, &cb->abandon_timeout, &res );
switch ( rc ) {
case -1:
cb_send_ldap_result(pb,LDAP_OPERATIONS_ERROR, NULL,
ldap_err2string(rc), 0, NULL);
cb_release_op_connection(cb->pool,ld,CB_LDAP_CONN_ERROR(rc));
ldap_mods_free(mods,1);
if (res)
ldap_msgfree(res);
return -1;
case 0:
if ((rc=cb_ping_farm(cb,cnx,endtime)) != LDAP_SUCCESS) {
/* does not respond. give up and return a*/
/* error to the client. */
/*cb_send_ldap_result(pb,LDAP_OPERATIONS_ERROR, NULL,
ldap_err2string(rc), 0, NULL);*/
cb_send_ldap_result(pb,LDAP_OPERATIONS_ERROR, NULL, "FARM SERVER TEMPORARY UNAVAILABLE", 0, NULL);
cb_release_op_connection(cb->pool,ld,CB_LDAP_CONN_ERROR(rc));
ldap_mods_free(mods,1);
if (res)
ldap_msgfree(res);
return -1;
}
#ifdef CB_YIELD
DS_Sleep(PR_INTERVAL_NO_WAIT);
#endif
break;
default:
serverctrls=NULL;
matched_msg=error_msg=NULL;
referrals=NULL;
parse_rc = ldap_parse_result( ld, res, &rc, &matched_msg,
&error_msg, &referrals, &serverctrls, 1 );
if ( parse_rc != LDAP_SUCCESS ) {
cb_send_ldap_result( pb, LDAP_OPERATIONS_ERROR, NULL,
ldap_err2string(parse_rc), 0, NULL);
cb_release_op_connection(cb->pool,ld,CB_LDAP_CONN_ERROR(parse_rc));
ldap_mods_free(mods,1);
slapi_ch_free((void **)&matched_msg);
slapi_ch_free((void **)&error_msg);
if (serverctrls)
ldap_controls_free(serverctrls);
/* jarnou: free referrals */
if (referrals)
charray_free(referrals);
return -1;
}
if ( rc != LDAP_SUCCESS ) {
struct berval ** refs = referrals2berval(referrals);
cb_send_ldap_result( pb, rc, matched_msg, error_msg, 0, refs);
cb_release_op_connection(cb->pool,ld,CB_LDAP_CONN_ERROR(rc));
ldap_mods_free(mods,1);
slapi_ch_free((void **)&matched_msg);
slapi_ch_free((void **)&error_msg);
if (refs)
ber_bvecfree(refs);
if (referrals)
charray_free(referrals);
if (serverctrls)
ldap_controls_free(serverctrls);
return -1;
}
ldap_mods_free(mods,1 );
cb_release_op_connection(cb->pool,ld,0);
/* Add control response sent by the farm server */
for (i=0; serverctrls && serverctrls[i];i++)
slapi_pblock_set( pb, SLAPI_ADD_RESCONTROL, serverctrls[i]);
if (serverctrls)
ldap_controls_free(serverctrls);
/* jarnou: free matched_msg, error_msg, and referrals if necessary */
slapi_ch_free((void **)&matched_msg);
slapi_ch_free((void **)&error_msg);
if (referrals)
charray_free(referrals);
cb_send_ldap_result( pb, LDAP_SUCCESS, NULL, NULL, 0, NULL );
slapi_entry_free(e);
slapi_pblock_set( pb, SLAPI_ADD_ENTRY, NULL );
return 0;
}
}
/* Never reached */
}
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