int
fe_op_delete( Operation *op, SlapReply *rs )
{
struct berval pdn = BER_BVNULL;
BackendDB *op_be, *bd = op->o_bd;
/*
* We could be serving multiple database backends. Select the
* appropriate one, or send a referral to our "referral server"
* if we don't hold it.
*/
op->o_bd = select_backend( &op->o_req_ndn, 1 );
if ( op->o_bd == NULL ) {
op->o_bd = bd;
rs->sr_ref = referral_rewrite( default_referral,
NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
if (!rs->sr_ref) rs->sr_ref = default_referral;
if ( rs->sr_ref != NULL ) {
rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"no global superior knowledge" );
}
goto cleanup;
}
/* If we've got a glued backend, check the real backend */
op_be = op->o_bd;
if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
op->o_bd = select_backend( &op->o_req_ndn, 0 );
}
/* check restrictions */
if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto cleanup;
}
/* check for referrals */
if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
goto cleanup;
}
/*
* do the delete if 1 && (2 || 3)
* 1) there is a delete function implemented in this backend;
* 2) this backend is master for what it holds;
* 3) it's a replica and the dn supplied is the update_ndn.
*/
if ( op->o_bd->be_delete ) {
/* do the update here */
int repl_user = be_isupdate( op );
if ( !SLAP_SINGLE_SHADOW(op->o_bd) || repl_user ) {
struct berval org_req_dn = BER_BVNULL;
struct berval org_req_ndn = BER_BVNULL;
struct berval org_dn = BER_BVNULL;
struct berval org_ndn = BER_BVNULL;
int org_managedsait;
op->o_bd = op_be;
op->o_bd->be_delete( op, rs );
org_req_dn = op->o_req_dn;
org_req_ndn = op->o_req_ndn;
org_dn = op->o_dn;
org_ndn = op->o_ndn;
org_managedsait = get_manageDSAit( op );
op->o_dn = op->o_bd->be_rootdn;
op->o_ndn = op->o_bd->be_rootndn;
op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
while ( rs->sr_err == LDAP_SUCCESS &&
op->o_delete_glue_parent )
{
op->o_delete_glue_parent = 0;
if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
slap_callback cb = { NULL, NULL, NULL, NULL };
cb.sc_response = slap_null_cb;
dnParent( &op->o_req_ndn, &pdn );
op->o_req_dn = pdn;
op->o_req_ndn = pdn;
op->o_callback = &cb;
op->o_bd->be_delete( op, rs );
} else {
break;
}
}
op->o_managedsait = org_managedsait;
op->o_dn = org_dn;
op->o_ndn = org_ndn;
op->o_req_dn = org_req_dn;
op->o_req_ndn = org_req_ndn;
op->o_delete_glue_parent = 0;
} else {
BerVarray defref = op->o_bd->be_update_refs
? op->o_bd->be_update_refs : default_referral;
if ( defref != NULL ) {
rs->sr_ref = referral_rewrite( defref,
NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
if (!rs->sr_ref) rs->sr_ref = defref;
rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
} else {
send_ldap_error( op, rs,
LDAP_UNWILLING_TO_PERFORM,
"shadow context; no update referral" );
}
}
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"operation not supported within namingContext" );
}
cleanup:;
op->o_bd = bd;
return rs->sr_err;
}
int
fe_op_modify( Operation *op, SlapReply *rs )
{
BackendDB *op_be, *bd = op->o_bd;
char textbuf[ SLAP_TEXT_BUFLEN ];
size_t textlen = sizeof( textbuf );
if ( BER_BVISEMPTY( &op->o_req_ndn ) ) {
Debug( LDAP_DEBUG_ANY, "%s do_modify: root dse!\n",
op->o_log_prefix );
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"modify upon the root DSE not supported" );
goto cleanup;
} else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
Debug( LDAP_DEBUG_ANY, "%s do_modify: subschema subentry!\n",
op->o_log_prefix );
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"modification of subschema subentry not supported" );
goto cleanup;
}
/*
* We could be serving multiple database backends. Select the
* appropriate one, or send a referral to our "referral server"
* if we don't hold it.
*/
op->o_bd = select_backend( &op->o_req_ndn, 1 );
if ( op->o_bd == NULL ) {
op->o_bd = bd;
rs->sr_ref = referral_rewrite( default_referral,
NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
if ( !rs->sr_ref ) {
rs->sr_ref = default_referral;
}
if ( rs->sr_ref != NULL ) {
rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
if ( rs->sr_ref != default_referral ) {
ber_bvarray_free( rs->sr_ref );
}
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"no global superior knowledge" );
}
goto cleanup;
}
/* If we've got a glued backend, check the real backend */
op_be = op->o_bd;
if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
op->o_bd = select_backend( &op->o_req_ndn, 0 );
}
/* check restrictions */
if ( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto cleanup;
}
/* check for referrals */
if ( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
goto cleanup;
}
rs->sr_err = slap_mods_obsolete_check( op, op->orm_modlist,
&rs->sr_text, textbuf, textlen );
if ( rs->sr_err != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto cleanup;
}
/* check for modify/increment support */
if ( op->orm_increment && !SLAP_INCREMENT( op->o_bd ) ) {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"modify/increment not supported in context" );
goto cleanup;
}
/*
* do the modify if 1 && (2 || 3)
* 1) there is a modify function implemented in this backend;
* 2) this backend is master for what it holds;
* 3) it's a replica and the dn supplied is the update_ndn.
*/
if ( op->o_bd->bd_info->bi_op_modify ) {
/* do the update here */
int repl_user = be_isupdate( op );
/*
* Multimaster slapd does not have to check for replicator dn
* because it accepts each modify request
*/
if ( !SLAP_SINGLE_SHADOW(op->o_bd) || repl_user ) {
int update = !BER_BVISEMPTY( &op->o_bd->be_update_ndn );
op->o_bd = op_be;
if ( !update ) {
rs->sr_err = slap_mods_no_user_mod_check( op, op->orm_modlist,
&rs->sr_text, textbuf, textlen );
if ( rs->sr_err != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto cleanup;
}
}
slap_biglock_call_be( op_modify, op, rs );
} else { /* send a referral */
BerVarray defref = op->o_bd->be_update_refs
? op->o_bd->be_update_refs : default_referral;
if ( defref != NULL ) {
rs->sr_ref = referral_rewrite( defref,
NULL, &op->o_req_dn,
LDAP_SCOPE_DEFAULT );
if ( rs->sr_ref == NULL ) {
/* FIXME: must duplicate, because
* overlays may muck with it */
rs->sr_ref = defref;
}
rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
if ( rs->sr_ref != defref ) {
ber_bvarray_free( rs->sr_ref );
}
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"shadow context; no update referral" );
}
}
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"operation not supported within namingContext" );
}
cleanup:;
op->o_bd = bd;
return rs->sr_err;
}
int
fe_op_compare( Operation *op, SlapReply *rs )
{
Entry *entry = NULL;
AttributeAssertion *ava = op->orc_ava;
BackendDB *bd = op->o_bd;
if( strcasecmp( op->o_req_ndn.bv_val, LDAP_ROOT_DSE ) == 0 ) {
if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto cleanup;
}
rs->sr_err = root_dse_info( op->o_conn, &entry, &rs->sr_text );
if( rs->sr_err != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto cleanup;
}
} else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
rs->sr_err = 0;
goto cleanup;
}
rs->sr_err = schema_info( &entry, &rs->sr_text );
if( rs->sr_err != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
rs->sr_err = 0;
goto cleanup;
}
}
if( entry ) {
rs->sr_err = slap_compare_entry( op, entry, ava );
entry_free( entry );
send_ldap_result( op, rs );
if( rs->sr_err == LDAP_COMPARE_TRUE ||
rs->sr_err == LDAP_COMPARE_FALSE )
{
rs->sr_err = LDAP_SUCCESS;
}
goto cleanup;
}
/*
* We could be serving multiple database backends. Select the
* appropriate one, or send a referral to our "referral server"
* if we don't hold it.
*/
op->o_bd = select_backend( &op->o_req_ndn, 0 );
if ( op->o_bd == NULL ) {
rs->sr_ref = referral_rewrite( default_referral,
NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
rs->sr_err = LDAP_REFERRAL;
if (!rs->sr_ref) rs->sr_ref = default_referral;
op->o_bd = bd;
send_ldap_result( op, rs );
if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
rs->sr_err = 0;
goto cleanup;
}
/* check restrictions */
if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto cleanup;
}
/* check for referrals */
if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
goto cleanup;
}
if ( SLAP_SHADOW(op->o_bd) && get_dontUseCopy(op) ) {
/* don't use shadow copy */
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"copy not used" );
} else if ( ava->aa_desc == slap_schema.si_ad_entryDN ) {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"entryDN compare not supported" );
} else if ( ava->aa_desc == slap_schema.si_ad_subschemaSubentry ) {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"subschemaSubentry compare not supported" );
#ifndef SLAP_COMPARE_IN_FRONTEND
} else if ( ava->aa_desc == slap_schema.si_ad_hasSubordinates
&& op->o_bd->be_has_subordinates )
{
int rc, hasSubordinates = LDAP_SUCCESS;
rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &entry );
if ( rc == 0 && entry ) {
if ( ! access_allowed( op, entry,
ava->aa_desc, &ava->aa_value, ACL_COMPARE, NULL ) )
{
rc = rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
} else {
rc = rs->sr_err = op->o_bd->be_has_subordinates( op,
entry, &hasSubordinates );
be_entry_release_r( op, entry );
}
}
if ( rc == 0 ) {
int asserted;
asserted = bvmatch( &ava->aa_value, &slap_true_bv )
? LDAP_COMPARE_TRUE : LDAP_COMPARE_FALSE;
if ( hasSubordinates == asserted ) {
rs->sr_err = LDAP_COMPARE_TRUE;
} else {
rs->sr_err = LDAP_COMPARE_FALSE;
}
} else {
/* return error only if "disclose"
* is granted on the object */
if ( backend_access( op, NULL, &op->o_req_ndn,
slap_schema.si_ad_entry,
NULL, ACL_DISCLOSE, NULL ) == LDAP_INSUFFICIENT_ACCESS )
{
rs->sr_err = LDAP_NO_SUCH_OBJECT;
}
}
send_ldap_result( op, rs );
if ( rc == 0 ) {
rs->sr_err = LDAP_SUCCESS;
}
} else if ( op->o_bd->be_compare ) {
rs->sr_err = op->o_bd->be_compare( op, rs );
#endif /* ! SLAP_COMPARE_IN_FRONTEND */
} else {
rs->sr_err = SLAP_CB_CONTINUE;
}
if ( rs->sr_err == SLAP_CB_CONTINUE ) {
/* do our best to compare that AVA
*
* NOTE: this code is used only
* if SLAP_COMPARE_IN_FRONTEND
* is #define'd (it's not by default)
* or if op->o_bd->be_compare is NULL.
*
* FIXME: one potential issue is that
* if SLAP_COMPARE_IN_FRONTEND overlays
* are not executed for compare. */
BerVarray vals = NULL;
int rc = LDAP_OTHER;
rs->sr_err = backend_attribute( op, NULL, &op->o_req_ndn,
ava->aa_desc, &vals, ACL_COMPARE );
switch ( rs->sr_err ) {
default:
/* return error only if "disclose"
* is granted on the object */
if ( backend_access( op, NULL, &op->o_req_ndn,
slap_schema.si_ad_entry,
NULL, ACL_DISCLOSE, NULL )
== LDAP_INSUFFICIENT_ACCESS )
{
rs->sr_err = LDAP_NO_SUCH_OBJECT;
}
break;
case LDAP_SUCCESS:
if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
vals, &ava->aa_value, op->o_tmpmemctx ) == 0 )
{
rs->sr_err = LDAP_COMPARE_TRUE;
break;
} else {
rs->sr_err = LDAP_COMPARE_FALSE;
}
rc = LDAP_SUCCESS;
break;
}
send_ldap_result( op, rs );
if ( rc == 0 ) {
rs->sr_err = LDAP_SUCCESS;
}
if ( vals ) {
ber_bvarray_free_x( vals, op->o_tmpmemctx );
}
}
cleanup:;
op->o_bd = bd;
return rs->sr_err;
}
int
fe_op_modrdn( Operation *op, SlapReply *rs )
{
struct berval dest_ndn = BER_BVNULL, dest_pndn, pdn = BER_BVNULL;
BackendDB *op_be, *bd = op->o_bd;
ber_slen_t diff;
if( op->o_req_ndn.bv_len == 0 ) {
Debug( LDAP_DEBUG_ANY, "%s do_modrdn: root dse!\n",
op->o_log_prefix, 0, 0 );
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"cannot rename the root DSE" );
goto cleanup;
} else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
Debug( LDAP_DEBUG_ANY, "%s do_modrdn: subschema subentry: %s (%ld)\n",
op->o_log_prefix, frontendDB->be_schemandn.bv_val, (long)frontendDB->be_schemandn.bv_len );
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"cannot rename subschema subentry" );
goto cleanup;
}
if( op->orr_nnewSup ) {
dest_pndn = *op->orr_nnewSup;
} else {
dnParent( &op->o_req_ndn, &dest_pndn );
}
build_new_dn( &dest_ndn, &dest_pndn, &op->orr_nnewrdn, op->o_tmpmemctx );
diff = (ber_slen_t) dest_ndn.bv_len - (ber_slen_t) op->o_req_ndn.bv_len;
if ( diff > 0 ? dnIsSuffix( &dest_ndn, &op->o_req_ndn )
: diff < 0 && dnIsSuffix( &op->o_req_ndn, &dest_ndn ) )
{
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
diff > 0 ? "cannot place an entry below itself"
: "cannot place an entry above itself" );
goto cleanup;
}
/*
* We could be serving multiple database backends. Select the
* appropriate one, or send a referral to our "referral server"
* if we don't hold it.
*/
op->o_bd = select_backend( &op->o_req_ndn, 1 );
if ( op->o_bd == NULL ) {
op->o_bd = bd;
rs->sr_ref = referral_rewrite( default_referral,
NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
if (!rs->sr_ref) rs->sr_ref = default_referral;
if ( rs->sr_ref != NULL ) {
rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"no global superior knowledge" );
}
goto cleanup;
}
/* If we've got a glued backend, check the real backend */
op_be = op->o_bd;
if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
op->o_bd = select_backend( &op->o_req_ndn, 0 );
}
/* check restrictions */
if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto cleanup;
}
/* check for referrals */
if ( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
goto cleanup;
}
/* check that destination DN is in the same backend as source DN */
if ( select_backend( &dest_ndn, 0 ) != op->o_bd ) {
send_ldap_error( op, rs, LDAP_AFFECTS_MULTIPLE_DSAS,
"cannot rename between DSAs" );
goto cleanup;
}
/*
* do the modrdn if 1 && (2 || 3)
* 1) there is a modrdn function implemented in this backend;
* 2) this backend is master for what it holds;
* 3) it's a replica and the dn supplied is the update_ndn.
*/
if ( op->o_bd->be_modrdn ) {
/* do the update here */
int repl_user = be_isupdate( op );
if ( !SLAP_SINGLE_SHADOW(op->o_bd) || repl_user )
{
op->o_bd = op_be;
op->o_bd->be_modrdn( op, rs );
if ( op->o_bd->be_delete ) {
struct berval org_req_dn = BER_BVNULL;
struct berval org_req_ndn = BER_BVNULL;
struct berval org_dn = BER_BVNULL;
struct berval org_ndn = BER_BVNULL;
int org_managedsait;
org_req_dn = op->o_req_dn;
org_req_ndn = op->o_req_ndn;
org_dn = op->o_dn;
org_ndn = op->o_ndn;
org_managedsait = get_manageDSAit( op );
op->o_dn = op->o_bd->be_rootdn;
op->o_ndn = op->o_bd->be_rootndn;
op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
while ( rs->sr_err == LDAP_SUCCESS &&
op->o_delete_glue_parent ) {
op->o_delete_glue_parent = 0;
if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
slap_callback cb = { NULL };
cb.sc_response = slap_null_cb;
dnParent( &op->o_req_ndn, &pdn );
op->o_req_dn = pdn;
op->o_req_ndn = pdn;
op->o_callback = &cb;
op->o_bd->be_delete( op, rs );
} else {
break;
}
}
op->o_managedsait = org_managedsait;
op->o_dn = org_dn;
op->o_ndn = org_ndn;
op->o_req_dn = org_req_dn;
op->o_req_ndn = org_req_ndn;
op->o_delete_glue_parent = 0;
}
} else {
BerVarray defref = op->o_bd->be_update_refs
? op->o_bd->be_update_refs : default_referral;
if ( defref != NULL ) {
rs->sr_ref = referral_rewrite( defref,
NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
if (!rs->sr_ref) rs->sr_ref = defref;
rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"shadow context; no update referral" );
}
}
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"operation not supported within namingContext" );
}
cleanup:;
if ( dest_ndn.bv_val != NULL )
ber_memfree_x( dest_ndn.bv_val, op->o_tmpmemctx );
op->o_bd = bd;
return rs->sr_err;
}
int
fe_op_search( Operation *op, SlapReply *rs )
{
BackendDB *bd = op->o_bd;
if ( op->ors_scope == LDAP_SCOPE_BASE ) {
Entry *entry = NULL;
if ( BER_BVISEMPTY( &op->o_req_ndn ) ) {
#ifdef LDAP_CONNECTIONLESS
/* Ignore LDAPv2 CLDAP Root DSE queries */
if (op->o_protocol == LDAP_VERSION2 && op->o_conn->c_is_udp) {
goto return_results;
}
#endif
/* check restrictions */
if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto return_results;
}
rs->sr_err = root_dse_info( op->o_conn, &entry, &rs->sr_text );
} else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
/* check restrictions */
if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto return_results;
}
rs->sr_err = schema_info( &entry, &rs->sr_text );
}
if( rs->sr_err != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto return_results;
} else if ( entry != NULL ) {
rs->sr_err = test_filter( op, entry, op->ors_filter );
if( rs->sr_err == LDAP_COMPARE_TRUE ) {
/* note: we set no limits because either
* no limit is specified, or at least 1
* is specified, and we're going to return
* at most one entry */
op->ors_slimit = SLAP_NO_LIMIT;
op->ors_tlimit = SLAP_NO_LIMIT;
rs->sr_entry = entry;
rs->sr_attrs = op->ors_attrs;
rs->sr_operational_attrs = NULL;
rs->sr_flags = 0;
send_search_entry( op, rs );
rs->sr_entry = NULL;
rs->sr_operational_attrs = NULL;
}
entry_free( entry );
rs->sr_err = LDAP_SUCCESS;
send_ldap_result( op, rs );
goto return_results;
}
}
if( BER_BVISEMPTY( &op->o_req_ndn ) && !BER_BVISEMPTY( &default_search_nbase ) ) {
slap_sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
slap_sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
ber_dupbv_x( &op->o_req_dn, &default_search_base, op->o_tmpmemctx );
ber_dupbv_x( &op->o_req_ndn, &default_search_nbase, op->o_tmpmemctx );
}
/*
* We could be serving multiple database backends. Select the
* appropriate one, or send a referral to our "referral server"
* if we don't hold it.
*/
op->o_bd = select_backend( &op->o_req_ndn, 1 );
if ( op->o_bd == NULL ) {
rs->sr_ref = referral_rewrite( default_referral,
NULL, &op->o_req_dn, op->ors_scope );
if (!rs->sr_ref) rs->sr_ref = default_referral;
rs->sr_err = LDAP_REFERRAL;
op->o_bd = bd;
send_ldap_result( op, rs );
if (rs->sr_ref != default_referral)
ber_bvarray_free( rs->sr_ref );
rs->sr_ref = NULL;
goto return_results;
}
/* check restrictions */
if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
goto return_results;
}
/* check for referrals */
if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
goto return_results;
}
if ( SLAP_SHADOW(op->o_bd) && get_dontUseCopy(op) ) {
/* don't use shadow copy */
BerVarray defref = op->o_bd->be_update_refs
? op->o_bd->be_update_refs : default_referral;
if( defref != NULL ) {
rs->sr_ref = referral_rewrite( defref,
NULL, &op->o_req_dn, op->ors_scope );
if( !rs->sr_ref) rs->sr_ref = defref;
rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"copy not used; no referral information available" );
}
} else if ( op->o_bd->be_search ) {
if ( limits_check( op, rs ) == 0 ) {
/* actually do the search and send the result(s) */
(op->o_bd->be_search)( op, rs );
}
/* else limits_check() sends error */
} else {
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"operation not supported within namingContext" );
}
return_results:;
op->o_bd = bd;
return rs->sr_err;
}
int passwd_extop(
Operation *op,
SlapReply *rs )
{
struct berval id = {0, NULL}, hash, *rsp = NULL;
req_pwdexop_s *qpw = &op->oq_pwdexop;
req_extended_s qext = op->oq_extended;
Modifications *ml;
slap_callback cb = { NULL, slap_null_cb, NULL, NULL };
int i, nhash;
char **hashes, idNul = 0;
int rc;
BackendDB *op_be;
int freenewpw = 0;
struct berval dn = BER_BVNULL, ndn = BER_BVNULL;
slap_biglock_t *bl = NULL;
assert( ber_bvcmp( &slap_EXOP_MODIFY_PASSWD, &op->ore_reqoid ) == 0 );
if( op->o_dn.bv_len == 0 ) {
Statslog( LDAP_DEBUG_STATS, "%s PASSMOD\n",
op->o_log_prefix );
rs->sr_text = "only authenticated users may change passwords";
return LDAP_STRONG_AUTH_REQUIRED;
}
qpw->rs_old.bv_len = 0;
qpw->rs_old.bv_val = NULL;
qpw->rs_new.bv_len = 0;
qpw->rs_new.bv_val = NULL;
qpw->rs_mods = NULL;
qpw->rs_modtail = NULL;
rs->sr_err = slap_passwd_parse( op->ore_reqdata, &id,
&qpw->rs_old, &qpw->rs_new, &rs->sr_text );
if ( !BER_BVISNULL( &id )) {
idNul = id.bv_val[id.bv_len];
id.bv_val[id.bv_len] = '\0';
}
if ( rs->sr_err == LDAP_SUCCESS && !BER_BVISEMPTY( &id ) ) {
Statslog( LDAP_DEBUG_STATS, "%s PASSMOD id=\"%s\"%s%s\n",
op->o_log_prefix, id.bv_val,
qpw->rs_old.bv_val ? " old" : "",
qpw->rs_new.bv_val ? " new" : "" );
} else {
Statslog( LDAP_DEBUG_STATS, "%s PASSMOD%s%s\n",
op->o_log_prefix,
qpw->rs_old.bv_val ? " old" : "",
qpw->rs_new.bv_val ? " new" : "" );
}
if ( rs->sr_err != LDAP_SUCCESS ) {
if ( !BER_BVISNULL( &id ))
id.bv_val[id.bv_len] = idNul;
return rs->sr_err;
}
if ( !BER_BVISEMPTY( &id ) ) {
rs->sr_err = dnPrettyNormal( NULL, &id, &dn, &ndn, op->o_tmpmemctx );
id.bv_val[id.bv_len] = idNul;
if ( rs->sr_err != LDAP_SUCCESS ) {
rs->sr_text = "Invalid DN";
rc = rs->sr_err;
goto error_return;
}
op->o_req_dn = dn;
op->o_req_ndn = ndn;
op->o_bd = select_backend( &op->o_req_ndn, 1 );
} else {
ber_dupbv_x( &dn, &op->o_dn, op->o_tmpmemctx );
ber_dupbv_x( &ndn, &op->o_ndn, op->o_tmpmemctx );
op->o_req_dn = dn;
op->o_req_ndn = ndn;
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
op->o_bd = op->o_conn->c_authz_backend;
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
}
if( op->o_bd == NULL ) {
if ( qpw->rs_old.bv_val != NULL ) {
rs->sr_text = "unwilling to verify old password";
rc = LDAP_UNWILLING_TO_PERFORM;
goto error_return;
}
#ifdef HAVE_CYRUS_SASL
rc = slap_sasl_setpass( op, rs );
#else
rs->sr_text = "no authz backend";
rc = LDAP_OTHER;
#endif
goto error_return;
}
if ( op->o_req_ndn.bv_len == 0 ) {
rs->sr_text = "no password is associated with the Root DSE";
rc = LDAP_UNWILLING_TO_PERFORM;
goto error_return;
}
/* If we've got a glued backend, check the real backend */
op_be = op->o_bd;
if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
op->o_bd = select_backend( &op->o_req_ndn, 0 );
}
bl = slap_biglock_get(op->o_bd);
slap_biglock_acquire(bl);
if (backend_check_restrictions( op, rs,
(struct berval *)&slap_EXOP_MODIFY_PASSWD ) != LDAP_SUCCESS) {
rc = rs->sr_err;
goto error_return;
}
/* check for referrals */
if ( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
rc = rs->sr_err;
goto error_return;
}
/* This does not apply to multi-master case */
if(!( !SLAP_SINGLE_SHADOW( op->o_bd ) || be_isupdate( op ))) {
/* we SHOULD return a referral in this case */
BerVarray defref = op->o_bd->be_update_refs
? op->o_bd->be_update_refs : default_referral;
if( defref != NULL ) {
rs->sr_ref = referral_rewrite( defref,
NULL, NULL, LDAP_SCOPE_DEFAULT );
if ( ! rs->sr_ref ) ber_bvarray_dup_x( &rs->sr_ref, defref, NULL );
rs->sr_flags |= REP_REF_MUSTBEFREED;
rc = LDAP_REFERRAL;
goto error_return;
}
rs->sr_text = "shadow context; no update referral";
rc = LDAP_UNWILLING_TO_PERFORM;
goto error_return;
}
/* generate a new password if none was provided */
if ( qpw->rs_new.bv_len == 0 ) {
slap_passwd_generate( &qpw->rs_new );
if ( qpw->rs_new.bv_len ) {
rsp = slap_passwd_return( &qpw->rs_new );
freenewpw = 1;
}
}
if ( qpw->rs_new.bv_len == 0 ) {
rs->sr_text = "password generation failed";
rc = LDAP_OTHER;
goto error_return;
}
op->o_bd = op_be;
/* Give the backend a chance to handle this itself */
if ( op->o_bd->be_extended ) {
rs->sr_err = op->o_bd->be_extended( op, rs );
if ( rs->sr_err != LDAP_UNWILLING_TO_PERFORM &&
rs->sr_err != SLAP_CB_CONTINUE )
{
rc = rs->sr_err;
if ( rsp ) {
rs->sr_rspdata = rsp;
rsp = NULL;
}
goto error_return;
}
}
/* The backend didn't handle it, so try it here */
if( op->o_bd && !op->o_bd->bd_info->bi_op_modify ) {
rs->sr_text = "operation not supported for current user";
rc = LDAP_UNWILLING_TO_PERFORM;
goto error_return;
}
if ( qpw->rs_old.bv_val != NULL ) {
Entry *e = NULL;
rc = be_entry_get_rw( op, &op->o_req_ndn, NULL,
slap_schema.si_ad_userPassword, 0, &e );
if ( rc == LDAP_SUCCESS && e ) {
Attribute *a = attr_find( e->e_attrs,
slap_schema.si_ad_userPassword );
if ( a )
rc = slap_passwd_check( op, e, a, &qpw->rs_old, &rs->sr_text );
else
rc = 1;
be_entry_release_r( op, e );
if ( rc == LDAP_SUCCESS )
goto old_good;
}
rs->sr_text = "unwilling to verify old password";
rc = LDAP_UNWILLING_TO_PERFORM;
goto error_return;
}
old_good:
ml = ch_malloc( sizeof(Modifications) );
if ( !qpw->rs_modtail ) qpw->rs_modtail = &ml->sml_next;
if ( default_passwd_hash ) {
for ( nhash = 0; default_passwd_hash[nhash]; nhash++ );
hashes = default_passwd_hash;
} else {
nhash = 1;
hashes = (char **)defhash;
}
ml->sml_numvals = nhash;
ml->sml_values = ch_malloc( (nhash+1)*sizeof(struct berval) );
for ( i=0; hashes[i]; i++ ) {
slap_passwd_hash_type( &qpw->rs_new, &hash, hashes[i], &rs->sr_text );
if ( hash.bv_len == 0 ) {
if ( !rs->sr_text ) {
rs->sr_text = "password hash failed";
}
break;
}
ml->sml_values[i] = hash;
}
ml->sml_values[i].bv_val = NULL;
ml->sml_nvalues = NULL;
ml->sml_desc = slap_schema.si_ad_userPassword;
ml->sml_type = ml->sml_desc->ad_cname;
ml->sml_op = LDAP_MOD_REPLACE;
ml->sml_flags = 0;
ml->sml_next = qpw->rs_mods;
qpw->rs_mods = ml;
if ( hashes[i] ) {
rs->sr_err = LDAP_OTHER;
} else {
slap_callback *sc = op->o_callback;
op->o_tag = LDAP_REQ_MODIFY;
op->o_callback = &cb;
op->orm_modlist = qpw->rs_mods;
op->orm_no_opattrs = 0;
cb.sc_private = qpw; /* let Modify know this was pwdMod,
* if it cares... */
rs->sr_err = op->o_bd->bd_info->bi_op_modify( op, rs );
/* be_modify() might have shuffled modifications */
qpw->rs_mods = op->orm_modlist;
if ( rs->sr_err == LDAP_SUCCESS ) {
rs->sr_rspdata = rsp;
} else if ( rsp ) {
ber_bvfree( rsp );
rsp = NULL;
}
op->o_tag = LDAP_REQ_EXTENDED;
op->o_callback = sc;
}
rc = rs->sr_err;
op->oq_extended = qext;
error_return:;
slap_biglock_release(bl);
if ( qpw->rs_mods ) {
slap_mods_free( qpw->rs_mods, 1 );
}
if ( freenewpw ) {
free( qpw->rs_new.bv_val );
}
if ( !BER_BVISNULL( &dn ) ) {
op->o_tmpfree( dn.bv_val, op->o_tmpmemctx );
BER_BVZERO( &op->o_req_dn );
}
if ( !BER_BVISNULL( &ndn ) ) {
op->o_tmpfree( ndn.bv_val, op->o_tmpmemctx );
BER_BVZERO( &op->o_req_ndn );
}
return rc;
}
