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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 **/
/* extendedop.c - handle an LDAPv3 extended operation */
#include <stdio.h>
#include "slap.h"
static const char *extended_op_oid2string( const char *oid );
/********** this stuff should probably be moved when it's done **********/
static void extop_handle_import_start(Slapi_PBlock *pb, char *extoid,
struct berval *extval)
{
char *suffix;
Slapi_DN *sdn = NULL;
Slapi_Backend *be = NULL;
struct berval bv;
int ret;
if (extval == NULL || extval->bv_val == NULL) {
LDAPDebug(LDAP_DEBUG_ANY,
"extop_handle_import_start: no data supplied\n", 0, 0, 0);
send_ldap_result(pb, LDAP_OPERATIONS_ERROR, NULL,
"no data supplied", 0, NULL);
return;
}
suffix = slapi_ch_malloc(extval->bv_len+1);
strncpy(suffix, extval->bv_val, extval->bv_len);
suffix[extval->bv_len] = 0;
sdn = slapi_sdn_new_dn_byval(suffix);
if (!sdn) {
LDAPDebug(LDAP_DEBUG_ANY,
"extop_handle_import_start: out of memory\n", 0, 0, 0);
send_ldap_result(pb, LDAP_OPERATIONS_ERROR, NULL, NULL, 0, NULL);
return;
}
/* be = slapi_be_select(sdn); */
be = slapi_mapping_tree_find_backend_for_sdn(sdn);
slapi_sdn_free(&sdn);
if (be == NULL || be == defbackend_get_backend()) {
/* might be instance name instead of suffix */
be = slapi_be_select_by_instance_name(suffix);
}
if (be == NULL || be == defbackend_get_backend()) {
LDAPDebug(LDAP_DEBUG_ANY,
"bulk import: invalid suffix or instance name '%s'\n",
suffix, 0, 0);
send_ldap_result(pb, LDAP_NO_SUCH_OBJECT, NULL,
"invalid suffix or instance name", 0, NULL);
goto out;
}
slapi_pblock_set(pb, SLAPI_BACKEND, be);
slapi_pblock_set( pb, SLAPI_REQUESTOR_ISROOT, &pb->pb_op->o_isroot );
{
/* Access Control Check to see if the client is
* allowed to use task import
*/
char *dummyAttr = "dummy#attr";
char *dummyAttrs[2] = { NULL, NULL };
int rc = 0;
char dn[128];
Slapi_Entry *feature;
/* slapi_str2entry modify its dn parameter so we must copy
* this string each time we call it !
*/
sprintf(dn, "dn: oid=%s,cn=features,cn=config",
EXTOP_BULK_IMPORT_START_OID);
dummyAttrs[0] = dummyAttr;
feature = slapi_str2entry(dn, 0);
rc = plugin_call_acl_plugin (pb, feature, dummyAttrs, NULL,
SLAPI_ACL_WRITE, ACLPLUGIN_ACCESS_DEFAULT, NULL);
slapi_entry_free(feature);
if (rc != LDAP_SUCCESS)
{
/* Client isn't allowed to do this. */
send_ldap_result(pb, rc, NULL, NULL, 0, NULL);
goto out;
}
}
if (be->be_wire_import == NULL) {
/* not supported by this backend */
LDAPDebug(LDAP_DEBUG_ANY,
"bulk import attempted on '%s' (not supported)\n",
suffix, 0, 0);
send_ldap_result(pb, LDAP_NOT_SUPPORTED, NULL, NULL, 0, NULL);
goto out;
}
ret = SLAPI_UNIQUEID_GENERATE_TIME_BASED;
slapi_pblock_set(pb, SLAPI_LDIF2DB_GENERATE_UNIQUEID, &ret);
ret = SLAPI_BI_STATE_START;
slapi_pblock_set(pb, SLAPI_BULK_IMPORT_STATE, &ret);
ret = (*be->be_wire_import)(pb);
if (ret != 0) {
LDAPDebug(LDAP_DEBUG_ANY,
"extop_handle_import_start: error starting import (%d)\n",
ret, 0, 0);
send_ldap_result(pb, LDAP_OPERATIONS_ERROR, NULL, NULL, 0, NULL);
goto out;
}
/* okay, the import is starting now -- save the backend in the
* connection block & mark this connection as belonging to a bulk import
*/
PR_Lock(pb->pb_conn->c_mutex);
pb->pb_conn->c_flags |= CONN_FLAG_IMPORT;
pb->pb_conn->c_bi_backend = be;
PR_Unlock(pb->pb_conn->c_mutex);
slapi_pblock_set(pb, SLAPI_EXT_OP_RET_OID, EXTOP_BULK_IMPORT_START_OID);
bv.bv_val = NULL;
bv.bv_len = 0;
slapi_pblock_set(pb, SLAPI_EXT_OP_RET_VALUE, &bv);
send_ldap_result(pb, LDAP_SUCCESS, NULL, NULL, 0, NULL);
LDAPDebug(LDAP_DEBUG_ANY,
"Bulk import: begin import on '%s'.\n", suffix, 0, 0);
out:
slapi_ch_free((void **)&suffix);
return;
}
static void extop_handle_import_done(Slapi_PBlock *pb, char *extoid,
struct berval *extval)
{
Slapi_Backend *be;
struct berval bv;
int ret;
PR_Lock(pb->pb_conn->c_mutex);
pb->pb_conn->c_flags &= ~CONN_FLAG_IMPORT;
be = pb->pb_conn->c_bi_backend;
pb->pb_conn->c_bi_backend = NULL;
PR_Unlock(pb->pb_conn->c_mutex);
if ((be == NULL) || (be->be_wire_import == NULL)) {
/* can this even happen? */
LDAPDebug(LDAP_DEBUG_ANY,
"extop_handle_import_done: backend not supported\n",
0, 0, 0);
send_ldap_result(pb, LDAP_NOT_SUPPORTED, NULL, NULL, 0, NULL);
return;
}
/* signal "done" to the backend */
slapi_pblock_set(pb, SLAPI_BACKEND, be);
slapi_pblock_set(pb, SLAPI_BULK_IMPORT_ENTRY, NULL);
ret = SLAPI_BI_STATE_DONE;
slapi_pblock_set(pb, SLAPI_BULK_IMPORT_STATE, &ret);
ret = (*be->be_wire_import)(pb);
if (ret != 0) {
LDAPDebug(LDAP_DEBUG_ANY,
"bulk import: error ending import (%d)\n",
ret, 0, 0);
send_ldap_result(pb, LDAP_OPERATIONS_ERROR, NULL, NULL, 0, NULL);
return;
}
/* more goofiness */
slapi_pblock_set(pb, SLAPI_EXT_OP_RET_OID, EXTOP_BULK_IMPORT_DONE_OID);
bv.bv_val = NULL;
bv.bv_len = 0;
slapi_pblock_set(pb, SLAPI_EXT_OP_RET_VALUE, &bv);
send_ldap_result(pb, LDAP_SUCCESS, NULL, NULL, 0, NULL);
LDAPDebug(LDAP_DEBUG_ANY,
"Bulk import completed successfully.\n", 0, 0, 0);
return;
}
void
do_extended( Slapi_PBlock *pb )
{
char *extoid = NULL, *errmsg;
struct berval extval = {0};
int lderr, rc;
unsigned long len, tag;
const char *name;
LDAPDebug( LDAP_DEBUG_TRACE, "do_extended\n", 0, 0, 0 );
/*
* Parse the extended request. It looks like this:
*
* ExtendedRequest := [APPLICATION 23] SEQUENCE {
* requestName [0] LDAPOID,
* requestValue [1] OCTET STRING OPTIONAL
* }
*/
if ( ber_scanf( pb->pb_op->o_ber, "{a", &extoid )
== LBER_ERROR ) {
LDAPDebug( LDAP_DEBUG_ANY,
"ber_scanf failed (op=extended; params=OID)\n",
0, 0, 0 );
op_shared_log_error_access (pb, "EXT", "???", "decoding error: fail to get extension OID");
send_ldap_result( pb, LDAP_PROTOCOL_ERROR, NULL, "decoding error", 0,
NULL );
goto free_and_return;
}
tag = ber_peek_tag(pb->pb_op->o_ber, &len);
if (tag == LDAP_TAG_EXOP_REQ_VALUE) {
if ( ber_scanf( pb->pb_op->o_ber, "o}", &extval ) == LBER_ERROR ) {
op_shared_log_error_access (pb, "EXT", "???", "decoding error: fail to get extension value");
send_ldap_result( pb, LDAP_PROTOCOL_ERROR, NULL, "decoding error", 0,
NULL );
goto free_and_return;
}
} else {
if ( ber_scanf( pb->pb_op->o_ber, "}") == LBER_ERROR ) {
op_shared_log_error_access (pb, "EXT", "???", "decoding error");
send_ldap_result( pb, LDAP_PROTOCOL_ERROR, NULL, "decoding error", 0,
NULL );
goto free_and_return;
}
}
if ( NULL == ( name = extended_op_oid2string( extoid ))) {
LDAPDebug( LDAP_DEBUG_ARGS, "do_extended: oid (%s)\n", extoid, 0, 0 );
slapi_log_access( LDAP_DEBUG_STATS, "conn=%d op=%d EXT oid=\"%s\"\n",
pb->pb_conn->c_connid, pb->pb_op->o_opid, extoid );
} else {
LDAPDebug( LDAP_DEBUG_ARGS, "do_extended: oid (%s-%s)\n",
extoid, name, 0 );
slapi_log_access( LDAP_DEBUG_STATS,
"conn=%d op=%d EXT oid=\"%s\" name=\"%s\"\n",
pb->pb_conn->c_connid, pb->pb_op->o_opid, extoid, name );
}
/* during a bulk import, only BULK_IMPORT_DONE is allowed!
* (and this is the only time it's allowed)
*/
if (pb->pb_conn->c_flags & CONN_FLAG_IMPORT) {
if (strcmp(extoid, EXTOP_BULK_IMPORT_DONE_OID) != 0) {
send_ldap_result(pb, LDAP_PROTOCOL_ERROR, NULL, NULL, 0, NULL);
goto free_and_return;
}
extop_handle_import_done(pb, extoid, &extval);
goto free_and_return;
}
if (strcmp(extoid, EXTOP_BULK_IMPORT_START_OID) == 0) {
extop_handle_import_start(pb, extoid, &extval);
goto free_and_return;
}
slapi_pblock_set( pb, SLAPI_EXT_OP_REQ_OID, extoid );
slapi_pblock_set( pb, SLAPI_EXT_OP_REQ_VALUE, &extval );
rc = plugin_call_exop_plugins( pb, extoid );
if ( SLAPI_PLUGIN_EXTENDED_SENT_RESULT != rc ) {
if ( SLAPI_PLUGIN_EXTENDED_NOT_HANDLED == rc ) {
lderr = LDAP_PROTOCOL_ERROR; /* no plugin handled the op */
errmsg = "unsupported extended operation";
} else {
errmsg = NULL;
lderr = rc;
}
send_ldap_result( pb, lderr, NULL, errmsg, 0, NULL );
}
free_and_return:
if (extoid)
slapi_ch_free((void **)&extoid);
if (extval.bv_val)
slapi_ch_free((void **)&extval.bv_val);
return;
}
static const char *
extended_op_oid2string( const char *oid )
{
const char *rval = NULL;
if ( 0 == strcmp(oid, EXTOP_BULK_IMPORT_START_OID)) {
rval = "Netscape Bulk Import Start";
} else if ( 0 == strcmp(oid, EXTOP_BULK_IMPORT_DONE_OID)) {
rval = "Netscape Bulk Import End";
} else {
rval = plugin_extended_op_oid2string( oid );
}
return( rval );
}
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