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openldap/servers/slapd/overlays/dynlist.c
Kurt Zeilenga acbb5cf689 Happy new year!
2006-01-03 23:11:52 +00:00

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/* dynlist.c - dynamic list overlay */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2003-2006 The OpenLDAP Foundation.
* Portions Copyright 2004-2005 Pierangelo Masarati.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by Pierangelo Masarati
* for SysNet s.n.c., for inclusion in OpenLDAP Software.
*/
#include "portable.h"
#ifdef SLAPD_OVER_DYNLIST
#if LDAP_VENDOR_VERSION_MINOR != X && LDAP_VENDOR_VERSION_MINOR < 3
#define OL_2_2_COMPAT
#elif defined(LDAP_DEVEL) && SLAPD_OVER_DYNGROUP != SLAPD_MOD_STATIC
#define TAKEOVER_DYNGROUP
#endif
#include <stdio.h>
#include <ac/string.h>
#include "slap.h"
#ifndef OL_2_2_COMPAT
#include "config.h"
#endif
#include "lutil.h"
/* FIXME: the code differs if SLAP_OPATTRS is defined or not;
* SLAP_OPATTRS is not defined in 2.2 yet, while this overlay
* expects HEAD code at least later than August 6, 2004. */
/* FIXME: slap_anlist_no_attrs was introduced in 2.3; here it
* is anticipated to allow using this overlay with 2.2. */
#ifdef OL_2_2_COMPAT
static AttributeName anlist_no_attrs[] = {
{ BER_BVC( LDAP_NO_ATTRS ), NULL, 0, NULL },
{ BER_BVNULL, NULL, 0, NULL }
};
static AttributeName *slap_anlist_no_attrs = anlist_no_attrs;
#endif
typedef struct dynlist_info_t {
ObjectClass *dli_oc;
AttributeDescription *dli_ad;
AttributeDescription *dli_member_ad;
struct berval dli_default_filter;
struct dynlist_info_t *dli_next;
} dynlist_info_t;
static dynlist_info_t *
dynlist_is_dynlist( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
dynlist_info_t *dli = (dynlist_info_t *)on->on_bi.bi_private;
Attribute *a;
a = attrs_find( rs->sr_entry->e_attrs, slap_schema.si_ad_objectClass );
if ( a == NULL ) {
/* FIXME: objectClass must be present; for non-storage
* backends, like back-ldap, it needs to be added
* to the requested attributes */
return NULL;
}
for ( ; dli; dli = dli->dli_next ) {
if ( value_find_ex( slap_schema.si_ad_objectClass,
SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
a->a_nvals, &dli->dli_oc->soc_cname,
op->o_tmpmemctx ) == 0 )
{
return dli;
}
}
return NULL;
}
static int
dynlist_make_filter( Operation *op, struct berval *oldf, struct berval *newf )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
dynlist_info_t *dli = (dynlist_info_t *)on->on_bi.bi_private;
char *ptr;
assert( oldf != NULL );
assert( newf != NULL );
assert( !BER_BVISNULL( oldf ) );
assert( !BER_BVISEMPTY( oldf ) );
newf->bv_len = STRLENOF( "(&(!(objectClass=" "))" ")" )
+ dli->dli_oc->soc_cname.bv_len + oldf->bv_len;
newf->bv_val = op->o_tmpalloc( newf->bv_len + 1, op->o_tmpmemctx );
if ( newf->bv_val == NULL ) {
return -1;
}
ptr = lutil_strcopy( newf->bv_val, "(&(!(objectClass=" );
ptr = lutil_strcopy( ptr, dli->dli_oc->soc_cname.bv_val );
ptr = lutil_strcopy( ptr, "))" );
ptr = lutil_strcopy( ptr, oldf->bv_val );
ptr = lutil_strcopy( ptr, ")" );
newf->bv_len = ptr - newf->bv_val;
return 0;
}
typedef struct dynlist_sc_t {
dynlist_info_t *dlc_dli;
Entry *dlc_e;
} dynlist_sc_t;
static int
dynlist_sc_update( Operation *op, SlapReply *rs )
{
Entry *e;
Attribute *a;
int opattrs,
userattrs;
AccessControlState acl_state = ACL_STATE_INIT;
dynlist_sc_t *dlc;
if ( rs->sr_type != REP_SEARCH ) {
return 0;
}
dlc = (dynlist_sc_t *)op->o_callback->sc_private;
e = dlc->dlc_e;
assert( e != NULL );
assert( rs->sr_entry != NULL );
/* test access to entry */
if ( !access_allowed( op, rs->sr_entry, slap_schema.si_ad_entry,
NULL, ACL_READ, NULL ) )
{
goto done;
}
if ( dlc->dlc_dli->dli_member_ad ) {
/* if access allowed, try to add values, emulating permissive
* control to silently ignore duplicates */
if ( access_allowed( op, rs->sr_entry, slap_schema.si_ad_entry,
NULL, ACL_READ, NULL ) )
{
Modification mod;
const char *text = NULL;
char textbuf[1024];
struct berval vals[ 2 ], nvals[ 2 ];
vals[ 0 ] = rs->sr_entry->e_name;
BER_BVZERO( &vals[ 1 ] );
nvals[ 0 ] = rs->sr_entry->e_nname;
BER_BVZERO( &nvals[ 1 ] );
mod.sm_op = LDAP_MOD_ADD;
mod.sm_desc = dlc->dlc_dli->dli_member_ad;
mod.sm_type = dlc->dlc_dli->dli_member_ad->ad_cname;
mod.sm_values = vals;
mod.sm_nvalues = nvals;
(void)modify_add_values( e, &mod, /* permissive */ 1,
&text, textbuf, sizeof( textbuf ) );
}
goto done;
}
#ifndef SLAP_OPATTRS
opattrs = ( rs->sr_attrs == NULL ) ? 0 : an_find( rs->sr_attrs, &AllOper );
userattrs = ( rs->sr_attrs == NULL ) ? 1 : an_find( rs->sr_attrs, &AllUser );
#else /* SLAP_OPATTRS */
opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
#endif /* SLAP_OPATTRS */
for ( a = rs->sr_entry->e_attrs; a != NULL; a = a->a_next ) {
BerVarray vals, nvals = NULL;
int i, j;
/* if attribute is not requested, skip it */
if ( rs->sr_attrs == NULL ) {
if ( is_at_operational( a->a_desc->ad_type ) ) {
continue;
}
} else {
if ( is_at_operational( a->a_desc->ad_type ) ) {
if ( !opattrs && !ad_inlist( a->a_desc, rs->sr_attrs ) )
{
continue;
}
} else {
if ( !userattrs && !ad_inlist( a->a_desc, rs->sr_attrs ) )
{
continue;
}
}
}
/* test access to attribute */
if ( op->ors_attrsonly ) {
if ( !access_allowed( op, rs->sr_entry, a->a_desc, NULL,
ACL_READ, &acl_state ) )
{
continue;
}
}
/* single-value check: keep first only */
if ( is_at_single_value( a->a_desc->ad_type ) ) {
if ( attr_find( e->e_attrs, a->a_desc ) != NULL ) {
continue;
}
}
/* test access to attribute */
for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ )
/* just count */ ;
vals = op->o_tmpalloc( ( i + 1 ) * sizeof( struct berval ), op->o_tmpmemctx );
if ( a->a_nvals != a->a_vals ) {
nvals = op->o_tmpalloc( ( i + 1 ) * sizeof( struct berval ), op->o_tmpmemctx );
}
for ( i = 0, j = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
if ( access_allowed( op, rs->sr_entry, a->a_desc,
&a->a_nvals[i], ACL_READ, &acl_state ) )
{
vals[j] = a->a_vals[i];
if ( nvals ) {
nvals[j] = a->a_nvals[i];
}
j++;
}
}
/* if access allowed, try to add values, emulating permissive
* control to silently ignore duplicates */
if ( j != 0 ) {
Modification mod;
const char *text = NULL;
char textbuf[1024];
BER_BVZERO( &vals[j] );
if ( nvals ) {
BER_BVZERO( &nvals[j] );
}
mod.sm_op = LDAP_MOD_ADD;
mod.sm_desc = a->a_desc;
mod.sm_type = a->a_desc->ad_cname;
mod.sm_values = vals;
mod.sm_nvalues = nvals;
(void)modify_add_values( e, &mod, /* permissive */ 1,
&text, textbuf, sizeof( textbuf ) );
}
op->o_tmpfree( vals, op->o_tmpmemctx );
if ( nvals ) {
op->o_tmpfree( nvals, op->o_tmpmemctx );
}
}
done:;
if ( rs->sr_flags & REP_ENTRY_MUSTBEFREED ) {
entry_free( rs->sr_entry );
}
return 0;
}
static int
dynlist_send_entry( Operation *op, SlapReply *rs, dynlist_info_t *dli )
{
Attribute *a;
slap_callback cb;
Operation o = *op;
SlapReply r = { REP_SEARCH };
struct berval *url;
Entry *e;
slap_mask_t e_flags;
int opattrs,
userattrs;
dynlist_sc_t dlc = { 0 };
a = attrs_find( rs->sr_entry->e_attrs, dli->dli_ad );
if ( a == NULL ) {
/* FIXME: error? */
return SLAP_CB_CONTINUE;
}
e = entry_dup( rs->sr_entry );
e_flags = rs->sr_flags | ( REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED );
dlc.dlc_e = e;
dlc.dlc_dli = dli;
cb.sc_private = &dlc;
cb.sc_response = dynlist_sc_update;
cb.sc_cleanup = NULL;
cb.sc_next = NULL;
o.o_callback = &cb;
o.ors_deref = LDAP_DEREF_NEVER;
o.ors_limit = NULL;
o.ors_tlimit = SLAP_NO_LIMIT;
o.ors_slimit = SLAP_NO_LIMIT;
#ifndef SLAP_OPATTRS
opattrs = ( rs->sr_attrs == NULL ) ? 0 : an_find( rs->sr_attrs, &AllOper );
userattrs = ( rs->sr_attrs == NULL ) ? 1 : an_find( rs->sr_attrs, &AllUser );
#else /* SLAP_OPATTRS */
opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
#endif /* SLAP_OPATTRS */
for ( url = a->a_nvals; !BER_BVISNULL( url ); url++ ) {
LDAPURLDesc *lud = NULL;
int i, j;
struct berval dn;
int rc;
BER_BVZERO( &o.o_req_dn );
BER_BVZERO( &o.o_req_ndn );
o.ors_filter = NULL;
o.ors_attrs = NULL;
BER_BVZERO( &o.ors_filterstr );
if ( ldap_url_parse( url->bv_val, &lud ) != LDAP_URL_SUCCESS ) {
/* FIXME: error? */
continue;
}
if ( lud->lud_host ) {
/* FIXME: host not allowed; reject as illegal? */
Debug( LDAP_DEBUG_ANY, "dynlist_send_entry(\"%s\"): "
"illegal URI \"%s\"\n",
e->e_name.bv_val, url->bv_val, 0 );
goto cleanup;
}
if ( lud->lud_dn == NULL ) {
/* note that an empty base is not honored in terms
* of defaultSearchBase, because select_backend()
* is not aware of the defaultSearchBase option;
* this can be useful in case of a database serving
* the empty suffix */
BER_BVSTR( &dn, "" );
} else {
ber_str2bv( lud->lud_dn, 0, 0, &dn );
}
rc = dnPrettyNormal( NULL, &dn, &o.o_req_dn, &o.o_req_ndn, op->o_tmpmemctx );
if ( rc != LDAP_SUCCESS ) {
/* FIXME: error? */
goto cleanup;
}
o.ors_scope = lud->lud_scope;
if ( dli->dli_member_ad != NULL ) {
/* if ( lud->lud_attrs != NULL ),
* the URL should be ignored */
o.ors_attrs = slap_anlist_no_attrs;
} else if ( lud->lud_attrs == NULL ) {
o.ors_attrs = rs->sr_attrs;
} else {
for ( i = 0; lud->lud_attrs[i]; i++)
/* just count */ ;
o.ors_attrs = op->o_tmpcalloc( i + 1, sizeof( AttributeName ), op->o_tmpmemctx );
for ( i = 0, j = 0; lud->lud_attrs[i]; i++) {
const char *text = NULL;
ber_str2bv( lud->lud_attrs[i], 0, 0, &o.ors_attrs[j].an_name );
o.ors_attrs[j].an_desc = NULL;
(void)slap_bv2ad( &o.ors_attrs[j].an_name, &o.ors_attrs[j].an_desc, &text );
/* FIXME: ignore errors... */
if ( rs->sr_attrs == NULL ) {
if ( o.ors_attrs[j].an_desc != NULL &&
is_at_operational( o.ors_attrs[j].an_desc->ad_type ) )
{
continue;
}
} else {
if ( o.ors_attrs[j].an_desc != NULL &&
is_at_operational( o.ors_attrs[j].an_desc->ad_type ) )
{
if ( !opattrs && !ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) )
{
continue;
}
} else {
if ( !userattrs &&
o.ors_attrs[j].an_desc != NULL &&
!ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) )
{
continue;
}
}
}
j++;
}
if ( j == 0 ) {
goto cleanup;
}
BER_BVZERO( &o.ors_attrs[j].an_name );
}
if ( lud->lud_filter == NULL ) {
ber_dupbv_x( &o.ors_filterstr,
&dli->dli_default_filter, op->o_tmpmemctx );
} else {
struct berval flt;
ber_str2bv( lud->lud_filter, 0, 0, &flt );
if ( dynlist_make_filter( op, &flt, &o.ors_filterstr ) ) {
/* error */
goto cleanup;
}
}
o.ors_filter = str2filter_x( op, o.ors_filterstr.bv_val );
if ( o.ors_filter == NULL ) {
goto cleanup;
}
o.o_bd = select_backend( &o.o_req_ndn, 0, 1 );
if ( o.o_bd && o.o_bd->be_search ) {
#ifdef SLAP_OPATTRS
r.sr_attr_flags = slap_attr_flags( o.ors_attrs );
#endif /* SLAP_OPATTRS */
(void)o.o_bd->be_search( &o, &r );
}
cleanup:;
if ( o.ors_filter ) {
filter_free_x( &o, o.ors_filter );
}
if ( o.ors_attrs && o.ors_attrs != rs->sr_attrs
&& o.ors_attrs != slap_anlist_no_attrs )
{
op->o_tmpfree( o.ors_attrs, op->o_tmpmemctx );
}
if ( !BER_BVISNULL( &o.o_req_dn ) ) {
op->o_tmpfree( o.o_req_dn.bv_val, op->o_tmpmemctx );
}
if ( !BER_BVISNULL( &o.o_req_ndn ) ) {
op->o_tmpfree( o.o_req_ndn.bv_val, op->o_tmpmemctx );
}
if ( o.ors_filterstr.bv_val != lud->lud_filter ) {
op->o_tmpfree( o.ors_filterstr.bv_val, op->o_tmpmemctx );
lud->lud_filter = NULL;
}
if ( lud ) {
ldap_free_urldesc( lud );
}
}
rs->sr_entry = e;
rs->sr_flags = e_flags;
return SLAP_CB_CONTINUE;
}
static int
dynlist_sc_save_entry( Operation *op, SlapReply *rs )
{
/* save the entry in the private field of the callback,
* so it doesn't get freed (it's temporary!) */
if ( rs->sr_entry != NULL ) {
dynlist_sc_t *dlc = (dynlist_sc_t *)op->o_callback->sc_private;
dlc->dlc_e = rs->sr_entry;
rs->sr_entry = NULL;
}
return 0;
}
static int
dynlist_compare( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
dynlist_info_t *dli = (dynlist_info_t *)on->on_bi.bi_private;
for ( ; dli != NULL; dli = dli->dli_next ) {
if ( op->oq_compare.rs_ava->aa_desc == dli->dli_member_ad ) {
/* This compare is for one of the attributes we're
* interested in. We'll use slapd's existing dyngroup
* evaluator to get the answer we want.
*/
int cache = op->o_do_not_cache;
op->o_do_not_cache = 1;
rs->sr_err = backend_group( op, NULL, &op->o_req_ndn,
&op->oq_compare.rs_ava->aa_value, dli->dli_oc, dli->dli_ad );
op->o_do_not_cache = cache;
switch ( rs->sr_err ) {
case LDAP_SUCCESS:
rs->sr_err = LDAP_COMPARE_TRUE;
break;
case LDAP_NO_SUCH_OBJECT:
/* NOTE: backend_group() returns noSuchObject
* if op_ndn does not exist; however, since
* dynamic list expansion means that the
* member attribute is virtually present, the
* non-existence of the asserted value implies
* the assertion is FALSE rather than
* UNDEFINED */
rs->sr_err = LDAP_COMPARE_FALSE;
break;
}
return SLAP_CB_CONTINUE;
}
}
dli = (dynlist_info_t *)on->on_bi.bi_private;
for ( ; dli != NULL && rs->sr_err != LDAP_COMPARE_TRUE; dli = dli->dli_next ) {
Attribute *a;
slap_callback cb;
Operation o = *op;
SlapReply r = { REP_SEARCH };
AttributeName an[2];
int rc;
dynlist_sc_t dlc = { 0 };
Entry *e;
int cache = op->o_do_not_cache;
struct berval op_dn = op->o_dn,
op_ndn = op->o_ndn;
BackendDB *op_bd = op->o_bd;
/* fetch the entry as rootdn (a hack to see if it exists
* and if it has the right objectClass) */
op->o_do_not_cache = 1;
op->o_dn = op->o_bd->be_rootdn;
op->o_ndn = op->o_bd->be_rootndn;
op->o_bd = select_backend( &op->o_req_ndn, 0, 0 );
r.sr_err = be_entry_get_rw( op, &op->o_req_ndn,
dli->dli_oc, NULL, 0, &e );
if ( e != NULL ) {
be_entry_release_r( op, e );
}
op->o_do_not_cache = cache;
op->o_dn = op_dn;
op->o_ndn = op_ndn;
op->o_bd = op_bd;
if ( r.sr_err != LDAP_SUCCESS ) {
continue;
}
/* if the entry has the right objectClass, generate
* the dynamic list and compare */
dlc.dlc_dli = dli;
cb.sc_private = &dlc;
cb.sc_response = dynlist_sc_save_entry;
cb.sc_cleanup = NULL;
cb.sc_next = NULL;
o.o_callback = &cb;
o.o_tag = LDAP_REQ_SEARCH;
o.ors_limit = NULL;
o.ors_tlimit = SLAP_NO_LIMIT;
o.ors_slimit = SLAP_NO_LIMIT;
o.o_bd = select_backend( &o.o_req_ndn, 0, 1 );
if ( !o.o_bd || !o.o_bd->be_search ) {
return SLAP_CB_CONTINUE;
}
BER_BVSTR( &o.ors_filterstr, "(objectClass=*)" );
o.ors_filter = str2filter_x( op, o.ors_filterstr.bv_val );
if ( o.ors_filter == NULL ) {
/* FIXME: error? */
return SLAP_CB_CONTINUE;
}
o.ors_scope = LDAP_SCOPE_BASE;
o.ors_deref = LDAP_DEREF_NEVER;
an[0].an_name = op->orc_ava->aa_desc->ad_cname;
an[0].an_desc = op->orc_ava->aa_desc;
BER_BVZERO( &an[1].an_name );
o.ors_attrs = an;
o.ors_attrsonly = 0;
rc = o.o_bd->be_search( &o, &r );
filter_free_x( &o, o.ors_filter );
if ( rc != 0 ) {
return rc;
}
if ( dlc.dlc_e != NULL ) {
r.sr_entry = dlc.dlc_e;
}
if ( r.sr_err != LDAP_SUCCESS || r.sr_entry == NULL ) {
/* error? */
return SLAP_CB_CONTINUE;
}
for ( a = attrs_find( r.sr_entry->e_attrs, op->orc_ava->aa_desc );
a != NULL;
a = attrs_find( a->a_next, op->orc_ava->aa_desc ) )
{
/* if we're here, we got a match... */
rs->sr_err = LDAP_COMPARE_FALSE;
if ( value_find_ex( op->orc_ava->aa_desc,
SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
a->a_nvals, &op->orc_ava->aa_value, op->o_tmpmemctx ) == 0 )
{
rs->sr_err = LDAP_COMPARE_TRUE;
break;
}
}
if ( r.sr_flags & REP_ENTRY_MUSTBEFREED ) {
entry_free( r.sr_entry );
}
}
return SLAP_CB_CONTINUE;
}
static int
dynlist_response( Operation *op, SlapReply *rs )
{
dynlist_info_t *dli;
switch ( op->o_tag ) {
case LDAP_REQ_SEARCH:
if ( rs->sr_type == REP_SEARCH && !get_manageDSAit( op ) )
{
dli = dynlist_is_dynlist( op, rs );
if ( dli != NULL ) {
return dynlist_send_entry( op, rs, dli );
}
}
break;
case LDAP_REQ_COMPARE:
switch ( rs->sr_err ) {
/* NOTE: we waste a few cycles running the dynamic list
* also when the result is FALSE, which occurs if the
* dynamic entry itself contains the AVA attribute */
/* FIXME: this approach is less than optimal; a dedicated
* compare op should be implemented, that fetches the
* entry, checks if it has the appropriate objectClass
* and, in case, runs a compare thru all the URIs,
* stopping at the first positive occurrence; see ITS#3756 */
case LDAP_COMPARE_FALSE:
case LDAP_NO_SUCH_ATTRIBUTE:
return dynlist_compare( op, rs );
}
break;
default:
break;
}
return SLAP_CB_CONTINUE;
}
static int
dynlist_build_def_filter( dynlist_info_t *dli )
{
char *ptr;
dli->dli_default_filter.bv_len = STRLENOF( "(!(objectClass=" "))" )
+ dli->dli_oc->soc_cname.bv_len;
dli->dli_default_filter.bv_val = SLAP_MALLOC( dli->dli_default_filter.bv_len + 1 );
if ( dli->dli_default_filter.bv_val == NULL ) {
Debug( LDAP_DEBUG_ANY, "dynlist_db_open: malloc failed.\n",
0, 0, 0 );
return -1;
}
ptr = lutil_strcopy( dli->dli_default_filter.bv_val, "(!(objectClass=" );
ptr = lutil_strcopy( ptr, dli->dli_oc->soc_cname.bv_val );
ptr = lutil_strcopy( ptr, "))" );
assert( dli->dli_default_filter.bv_len == ptr - dli->dli_default_filter.bv_val );
return 0;
}
#ifdef OL_2_2_COMPAT
static int
dynlist_db_config(
BackendDB *be,
const char *fname,
int lineno,
int argc,
char **argv )
{
slap_overinst *on = (slap_overinst *)be->bd_info;
int rc = 0;
if ( strcasecmp( argv[0], "dynlist-attrset" ) == 0 ) {
dynlist_info_t **dlip;
ObjectClass *oc;
AttributeDescription *ad = NULL,
*member_ad = NULL;
const char *text;
if ( argc < 3 || argc > 4 ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"invalid arg number #%d.\n",
fname, lineno, argc );
return 1;
}
oc = oc_find( argv[1] );
if ( oc == NULL ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"unable to find ObjectClass \"%s\"\n",
fname, lineno, argv[ 1 ] );
return 1;
}
rc = slap_str2ad( argv[2], &ad, &text );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"unable to find AttributeDescription \"%s\"\n",
fname, lineno, argv[2] );
return 1;
}
if ( !is_at_subtype( ad->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"AttributeDescription \"%s\" "
"must be a subtype of \"labeledURI\"\n",
fname, lineno, argv[2] );
return 1;
}
if ( argc == 4 ) {
rc = slap_str2ad( argv[3], &member_ad, &text );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"unable to find AttributeDescription \"%s\"\n",
fname, lineno, argv[3] );
return 1;
}
}
for ( dlip = (dynlist_info_t **)&on->on_bi.bi_private;
*dlip; dlip = &(*dlip)->dli_next )
{
/* The check on objectClass may be relaxed */
#if 0
if ( (*dlip)->dli_oc == oc ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"objectClass \"%s\" already mapped.\n",
fname, lineno, oc->soc_cname.bv_val );
return 1;
}
#endif
if ( (*dlip)->dli_ad == ad ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"URL attributeDescription \"%s\" already mapped.\n",
fname, lineno, ad->ad_cname.bv_val );
return 1;
}
if ( member_ad != NULL && (*dlip)->dli_member_ad == member_ad ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"member attributeDescription \"%s\" already mapped.\n",
fname, lineno, member_ad->ad_cname.bv_val );
return 1;
}
}
*dlip = (dynlist_info_t *)ch_calloc( 1, sizeof( dynlist_info_t ) );
(*dlip)->dli_oc = oc;
(*dlip)->dli_ad = ad;
(*dlip)->dli_member_ad = member_ad;
if ( dynlist_build_def_filter( *dlip ) ) {
ch_free( *dlip );
*dlip = NULL;
return 1;
}
/* allow dyngroup syntax */
} else if ( strcasecmp( argv[0], "dynlist-attrpair" ) == 0 ) {
dynlist_info_t **dlip;
ObjectClass *oc;
AttributeDescription *ad = NULL,
*member_ad = NULL;
const char *text;
if ( argc != 3 ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"invalid arg number #%d.\n",
fname, lineno, argc );
return 1;
}
oc = oc_find( "groupOfURLs" );
if ( oc == NULL ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"unable to find default ObjectClass \"groupOfURLs\"\n",
fname, lineno, 0 );
return 1;
}
rc = slap_str2ad( argv[1], &member_ad, &text );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"unable to find AttributeDescription \"%s\"\n",
fname, lineno, argv[1] );
return 1;
}
rc = slap_str2ad( argv[2], &ad, &text );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"unable to find AttributeDescription \"%s\"\n",
fname, lineno, argv[2] );
return 1;
}
if ( !is_at_subtype( ad->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"AttributeDescription \"%s\" "
"must be a subtype of \"labeledURI\"\n",
fname, lineno, argv[2] );
return 1;
}
for ( dlip = (dynlist_info_t **)&on->on_bi.bi_private;
*dlip; dlip = &(*dlip)->dli_next )
{
#if 0
/* The check on objectClass may be relaxed */
if ( (*dlip)->dli_oc == oc ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"objectClass \"%s\" already mapped.\n",
fname, lineno, oc->soc_cname.bv_val );
return 1;
}
#endif
if ( (*dlip)->dli_ad == ad ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"URL attributeDescription \"%s\" already mapped.\n",
fname, lineno, ad->ad_cname.bv_val );
return 1;
}
if ( member_ad != NULL && (*dlip)->dli_member_ad == member_ad ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: "
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"member attributeDescription \"%s\" already mapped.\n",
fname, lineno, member_ad->ad_cname.bv_val );
return 1;
}
}
*dlip = (dynlist_info_t *)ch_calloc( 1, sizeof( dynlist_info_t ) );
(*dlip)->dli_oc = oc;
(*dlip)->dli_ad = ad;
(*dlip)->dli_member_ad = member_ad;
if ( dynlist_build_def_filter( *dlip ) ) {
ch_free( *dlip );
*dlip = NULL;
return 1;
}
} else {
rc = SLAP_CONF_UNKNOWN;
}
return rc;
}
#else
enum {
DL_ATTRSET = 1,
DL_ATTRPAIR,
DL_ATTRPAIR_COMPAT,
DL_LAST
};
static ConfigDriver dl_cfgen;
static ConfigTable dlcfg[] = {
{ "dynlist-attrset", "group-oc> <URL-ad> <member-ad",
3, 4, 0, ARG_MAGIC|DL_ATTRSET, dl_cfgen,
"( OLcfgOvAt:8.1 NAME 'olcDLattrSet' "
"DESC 'Dynamic list: <group objectClass>, <URL attributeDescription>, <member attributeDescription>' "
"EQUALITY caseIgnoreMatch "
"SYNTAX OMsDirectoryString "
"X-ORDERED 'VALUES' )",
NULL, NULL },
{ "dynlist-attrpair", "member-ad> <URL-ad",
3, 3, 0, ARG_MAGIC|DL_ATTRPAIR, dl_cfgen,
NULL, NULL, NULL },
#ifdef TAKEOVER_DYNGROUP
{ "attrpair", "member-ad> <URL-ad",
3, 3, 0, ARG_MAGIC|DL_ATTRPAIR_COMPAT, dl_cfgen,
NULL, NULL, NULL },
#endif
{ NULL, NULL, 0, 0, 0, ARG_IGNORED }
};
static ConfigOCs dlocs[] = {
{ "( OLcfgOvOc:8.1 "
"NAME 'olcDynamicList' "
"DESC 'Dynamic list configuration' "
"SUP olcOverlayConfig "
"MAY olcDLattrSet )",
Cft_Overlay, dlcfg, NULL, NULL },
{ NULL, 0, NULL }
};
static int
dl_cfgen( ConfigArgs *c )
{
slap_overinst *on = (slap_overinst *)c->bi;
dynlist_info_t *dli = (dynlist_info_t *)on->on_bi.bi_private;
int rc = 0, i;
if ( c->op == SLAP_CONFIG_EMIT ) {
switch( c->type ) {
case DL_ATTRSET:
for ( i = 0; dli; i++, dli = dli->dli_next ) {
struct berval bv;
char *ptr = c->msg;
assert( dli->dli_oc != NULL );
assert( dli->dli_ad != NULL );
ptr += snprintf( c->msg, sizeof( c->msg ),
SLAP_X_ORDERED_FMT "%s %s", i,
dli->dli_oc->soc_cname.bv_val,
dli->dli_ad->ad_cname.bv_val );
if ( dli->dli_member_ad != NULL ) {
ptr[ 0 ] = ' ';
ptr++;
ptr = lutil_strcopy( ptr, dli->dli_member_ad->ad_cname.bv_val );
}
bv.bv_val = c->msg;
bv.bv_len = ptr - bv.bv_val;
value_add_one( &c->rvalue_vals, &bv );
}
break;
case DL_ATTRPAIR_COMPAT:
case DL_ATTRPAIR:
rc = 1;
break;
default:
rc = 1;
break;
}
return rc;
} else if ( c->op == LDAP_MOD_DELETE ) {
switch( c->type ) {
case DL_ATTRSET:
if ( c->valx < 0 ) {
dynlist_info_t *dli_next;
for ( dli_next = dli; dli_next; dli = dli_next ) {
dli_next = dli->dli_next;
ch_free( dli->dli_default_filter.bv_val );
ch_free( dli );
}
on->on_bi.bi_private = NULL;
} else {
dynlist_info_t **dlip;
for ( i = 0, dlip = (dynlist_info_t **)&on->on_bi.bi_private;
i < c->valx; i++ )
{
if ( *dlip == NULL ) {
return 1;
}
dlip = &(*dlip)->dli_next;
}
dli = *dlip;
*dlip = dli->dli_next;
ch_free( dli->dli_default_filter.bv_val );
ch_free( dli );
dli = (dynlist_info_t *)on->on_bi.bi_private;
}
break;
case DL_ATTRPAIR_COMPAT:
case DL_ATTRPAIR:
rc = 1;
break;
default:
rc = 1;
break;
}
return 1; /* FIXME */
}
switch( c->type ) {
case DL_ATTRSET: {
dynlist_info_t **dlip,
*dli_next = NULL;
ObjectClass *oc = NULL;
AttributeDescription *ad = NULL,
*member_ad = NULL;
const char *text;
oc = oc_find( c->argv[ 1 ] );
if ( oc == NULL ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"unable to find ObjectClass \"%s\"",
c->argv[ 1 ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
rc = slap_str2ad( c->argv[ 2 ], &ad, &text );
if ( rc != LDAP_SUCCESS ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"unable to find AttributeDescription \"%s\"",
c->argv[ 2 ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
if ( !is_at_subtype( ad->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"AttributeDescription \"%s\" "
"must be a subtype of \"labeledURI\"",
c->argv[ 2 ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
if ( c->argc == 4 ) {
rc = slap_str2ad( c->argv[ 3 ], &member_ad, &text );
if ( rc != LDAP_SUCCESS ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"unable to find AttributeDescription \"%s\"\n",
c->argv[ 3 ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
}
for ( dlip = (dynlist_info_t **)&on->on_bi.bi_private;
*dlip; dlip = &(*dlip)->dli_next )
{
/* The check on objectClass may be relaxed */
#if 0
if ( (*dlip)->dli_oc == oc ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"objectClass \"%s\" already mapped.\n",
oc->soc_cname.bv_val );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
#endif
if ( (*dlip)->dli_ad == ad ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"URL attributeDescription \"%s\" already mapped.\n",
ad->ad_cname.bv_val );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
if ( member_ad != NULL && (*dlip)->dli_member_ad == member_ad ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"member attributeDescription \"%s\" already mapped.\n",
member_ad->ad_cname.bv_val );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
}
if ( c->valx > 0 ) {
int i;
for ( i = 0, dlip = (dynlist_info_t **)&on->on_bi.bi_private;
i < c->valx; i++ )
{
if ( *dlip == NULL ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"invalid index {%d}\n",
c->valx );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
dlip = &(*dlip)->dli_next;
}
dli_next = *dlip;
} else {
for ( dlip = (dynlist_info_t **)&on->on_bi.bi_private;
*dlip; dlip = &(*dlip)->dli_next )
/* goto last */;
}
*dlip = (dynlist_info_t *)ch_calloc( 1, sizeof( dynlist_info_t ) );
(*dlip)->dli_oc = oc;
(*dlip)->dli_ad = ad;
(*dlip)->dli_member_ad = member_ad;
(*dlip)->dli_next = dli_next;
rc = dynlist_build_def_filter( *dlip );
} break;
case DL_ATTRPAIR_COMPAT:
snprintf( c->msg, sizeof( c->msg ),
"warning: \"attrpair\" only supported for limited "
"backward compatibility with overlay \"dyngroup\"" );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
/* fallthru */
case DL_ATTRPAIR: {
dynlist_info_t **dlip;
ObjectClass *oc = NULL;
AttributeDescription *ad = NULL,
*member_ad = NULL;
const char *text;
oc = oc_find( "groupOfURLs" );
if ( oc == NULL ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"unable to find default ObjectClass \"groupOfURLs\"" );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
rc = slap_str2ad( c->argv[ 1 ], &member_ad, &text );
if ( rc != LDAP_SUCCESS ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"unable to find AttributeDescription \"%s\"",
c->argv[ 1 ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
rc = slap_str2ad( c->argv[ 2 ], &ad, &text );
if ( rc != LDAP_SUCCESS ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"unable to find AttributeDescription \"%s\"\n",
c->argv[ 2 ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
if ( !is_at_subtype( ad->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrset <oc> <URL-ad> [<member-ad>]\": "
"AttributeDescription \"%s\" "
"must be a subtype of \"labeledURI\"",
c->argv[ 2 ] );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
for ( dlip = (dynlist_info_t **)&on->on_bi.bi_private;
*dlip; dlip = &(*dlip)->dli_next )
{
/* The check on objectClass may be relaxed */
#if 0
if ( (*dlip)->dli_oc == oc ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"objectClass \"%s\" already mapped.\n",
oc->soc_cname.bv_val );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
#endif
if ( (*dlip)->dli_ad == ad ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"URL attributeDescription \"%s\" already mapped.\n",
ad->ad_cname.bv_val );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
if ( member_ad != NULL && (*dlip)->dli_member_ad == member_ad ) {
snprintf( c->msg, sizeof( c->msg ),
"\"dynlist-attrpair <member-ad> <URL-ad>\": "
"member attributeDescription \"%s\" already mapped.\n",
member_ad->ad_cname.bv_val );
Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
c->log, c->msg, 0 );
return 1;
}
}
*dlip = (dynlist_info_t *)ch_calloc( 1, sizeof( dynlist_info_t ) );
(*dlip)->dli_oc = oc;
(*dlip)->dli_ad = ad;
(*dlip)->dli_member_ad = member_ad;
rc = dynlist_build_def_filter( *dlip );
} break;
default:
rc = 1;
break;
}
return rc;
}
#endif
static int
dynlist_db_open(
BackendDB *be )
{
slap_overinst *on = (slap_overinst *) be->bd_info;
dynlist_info_t *dli = (dynlist_info_t *)on->on_bi.bi_private;
ObjectClass *oc = NULL;
AttributeDescription *ad = NULL;
if ( dli == NULL ) {
dli = ch_calloc( 1, sizeof( dynlist_info_t ) );
on->on_bi.bi_private = (void *)dli;
}
for ( ; dli; dli = dli->dli_next ) {
const char *text;
int rc;
if ( dli->dli_oc == NULL ) {
if ( oc == NULL ) {
oc = oc_find( "groupOfURLs" );
if ( oc == NULL ) {
Debug( LDAP_DEBUG_ANY, "dynlist_db_open: "
"unable to fetch objectClass \"groupOfURLs\".\n",
0, 0, 0 );
return 1;
}
}
dli->dli_oc = oc;
}
if ( dli->dli_ad == NULL ) {
if ( ad == NULL ) {
rc = slap_str2ad( "memberURL", &ad, &text );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "dynlist_db_open: "
"unable to fetch attributeDescription \"memberURL\": %d (%s).\n",
rc, text, 0 );
return 1;
}
}
dli->dli_ad = ad;
}
rc = dynlist_build_def_filter( dli );
if ( rc != 0 ) {
return rc;
}
}
return 0;
}
static int
dynlist_db_destroy(
BackendDB *be )
{
slap_overinst *on = (slap_overinst *) be->bd_info;
if ( on->on_bi.bi_private ) {
dynlist_info_t *dli = (dynlist_info_t *)on->on_bi.bi_private,
*dli_next;
for ( dli_next = dli; dli_next; dli = dli_next ) {
dli_next = dli->dli_next;
ch_free( dli->dli_default_filter.bv_val );
ch_free( dli );
}
}
return 0;
}
static slap_overinst dynlist = { { NULL } };
#ifdef TAKEOVER_DYNGROUP
static char *obsolete_names[] = {
"dyngroup",
NULL
};
#endif
#if SLAPD_OVER_DYNLIST == SLAPD_MOD_DYNAMIC
static
#endif /* SLAPD_OVER_DYNLIST == SLAPD_MOD_DYNAMIC */
int
dynlist_initialize(void)
{
#ifndef OL_2_2_COMPAT
int rc = 0;
#endif
dynlist.on_bi.bi_type = "dynlist";
#ifdef TAKEOVER_DYNGROUP
/* makes dynlist incompatible with dyngroup */
dynlist.on_bi.bi_obsolete_names = obsolete_names;
#endif
#ifdef OL_2_2_COMPAT
dynlist.on_bi.bi_db_config = dynlist_db_config;
#else
dynlist.on_bi.bi_db_config = config_generic_wrapper;
#endif
dynlist.on_bi.bi_db_open = dynlist_db_open;
dynlist.on_bi.bi_db_destroy = dynlist_db_destroy;
dynlist.on_response = dynlist_response;
#ifndef OL_2_2_COMPAT
dynlist.on_bi.bi_cf_ocs = dlocs;
rc = config_register_schema( dlcfg, dlocs );
if ( rc ) {
return rc;
}
#endif
return overlay_register( &dynlist );
}
#if SLAPD_OVER_DYNLIST == SLAPD_MOD_DYNAMIC
int
init_module( int argc, char *argv[] )
{
return dynlist_initialize();
}
#endif
#endif /* SLAPD_OVER_DYNLIST */
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