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-rw-r--r--servers/slapd/overlays/dynlist.c1574
1 files changed, 1574 insertions, 0 deletions
diff --git a/servers/slapd/overlays/dynlist.c b/servers/slapd/overlays/dynlist.c
new file mode 100644
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--- /dev/null
+++ b/servers/slapd/overlays/dynlist.c
@@ -0,0 +1,1574 @@
+/* dynlist.c - dynamic list overlay */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2003-2021 The OpenLDAP Foundation.
+ * Portions Copyright 2004-2005 Pierangelo Masarati.
+ * Portions Copyright 2008 Emmanuel Dreyfus.
+ * 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 SLAPD_OVER_DYNGROUP != SLAPD_MOD_STATIC
+#define TAKEOVER_DYNGROUP
+#endif
+
+#include <stdio.h>
+
+#include <ac/string.h>
+
+#include "slap.h"
+#include "config.h"
+#include "lutil.h"
+
+static AttributeDescription *ad_dgIdentity, *ad_dgAuthz;
+
+typedef struct dynlist_map_t {
+ AttributeDescription *dlm_member_ad;
+ AttributeDescription *dlm_mapped_ad;
+ struct dynlist_map_t *dlm_next;
+} dynlist_map_t;
+
+typedef struct dynlist_info_t {
+ ObjectClass *dli_oc;
+ AttributeDescription *dli_ad;
+ struct dynlist_map_t *dli_dlm;
+ struct berval dli_uri;
+ LDAPURLDesc *dli_lud;
+ struct berval dli_uri_nbase;
+ Filter *dli_uri_filter;
+ struct berval dli_default_filter;
+ struct dynlist_info_t *dli_next;
+} dynlist_info_t;
+
+#define DYNLIST_USAGE \
+ "\"dynlist-attrset <oc> [uri] <URL-ad> [[<mapped-ad>:]<member-ad> ...]\": "
+
+static dynlist_info_t *
+dynlist_is_dynlist_next( Operation *op, SlapReply *rs, dynlist_info_t *old_dli )
+{
+ slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
+ dynlist_info_t *dli;
+
+ Attribute *a;
+
+ if ( old_dli == NULL ) {
+ dli = (dynlist_info_t *)on->on_bi.bi_private;
+
+ } else {
+ dli = old_dli->dli_next;
+ }
+
+ 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 ( dli->dli_lud != NULL ) {
+ /* check base and scope */
+ if ( !BER_BVISNULL( &dli->dli_uri_nbase )
+ && !dnIsSuffixScope( &rs->sr_entry->e_nname,
+ &dli->dli_uri_nbase,
+ dli->dli_lud->lud_scope ) )
+ {
+ continue;
+ }
+
+ /* check filter */
+ if ( dli->dli_uri_filter && test_filter( op, rs->sr_entry, dli->dli_uri_filter ) != LDAP_COMPARE_TRUE ) {
+ continue;
+ }
+ }
+
+ if ( attr_valfind( a,
+ SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
+ SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
+ &dli->dli_oc->soc_cname, NULL,
+ op->o_tmpmemctx ) == 0 )
+ {
+ return dli;
+ }
+ }
+
+ return NULL;
+}
+
+static int
+dynlist_make_filter( Operation *op, Entry *e, const char *url, 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;
+ int needBrackets = 0;
+
+ assert( oldf != NULL );
+ assert( newf != NULL );
+ assert( !BER_BVISNULL( oldf ) );
+ assert( !BER_BVISEMPTY( oldf ) );
+
+ if ( oldf->bv_val[0] != '(' ) {
+ Debug( LDAP_DEBUG_ANY, "%s: dynlist, DN=\"%s\": missing brackets in URI=\"%s\" filter\n",
+ op->o_log_prefix, e->e_name.bv_val, url );
+ needBrackets = 2;
+ }
+
+ newf->bv_len = STRLENOF( "(&(!(objectClass=" "))" ")" )
+ + dli->dli_oc->soc_cname.bv_len + oldf->bv_len + needBrackets;
+ 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, "))" );
+ if ( needBrackets ) *ptr++ = '(';
+ ptr = lutil_strcopy( ptr, oldf->bv_val );
+ if ( needBrackets ) *ptr++ = ')';
+ ptr = lutil_strcopy( ptr, ")" );
+ newf->bv_len = ptr - newf->bv_val;
+
+ return 0;
+}
+
+/* dynlist_sc_update() callback info set by dynlist_prepare_entry() */
+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;
+ dynlist_map_t *dlm;
+
+ 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 there is only one member_ad, and it's not mapped,
+ * consider it as old-style member listing */
+ dlm = dlc->dlc_dli->dli_dlm;
+ if ( dlm && dlm->dlm_mapped_ad == NULL && dlm->dlm_next == NULL ) {
+ /* 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 = dlm->dlm_member_ad;
+ mod.sm_type = dlm->dlm_member_ad->ad_cname;
+ mod.sm_values = vals;
+ mod.sm_nvalues = nvals;
+ mod.sm_numvals = 1;
+
+ (void)modify_add_values( e, &mod, /* permissive */ 1,
+ &text, textbuf, sizeof( textbuf ) );
+ }
+
+ goto done;
+ }
+
+ opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
+ userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
+
+ for ( a = rs->sr_entry->e_attrs; a != NULL; a = a->a_next ) {
+ BerVarray vals, nvals = NULL;
+ int i, j,
+ is_oc = a->a_desc == slap_schema.si_ad_objectClass;
+
+ /* 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 */
+ i = a->a_numvals;
+
+ 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 ( is_oc ) {
+ ObjectClass *soc = oc_bvfind( &a->a_vals[i] );
+
+ if ( soc->soc_kind == LDAP_SCHEMA_STRUCTURAL ) {
+ continue;
+ }
+ }
+
+ 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];
+ dynlist_map_t *dlm;
+ AttributeDescription *ad;
+
+ BER_BVZERO( &vals[j] );
+ if ( nvals ) {
+ BER_BVZERO( &nvals[j] );
+ }
+
+ ad = a->a_desc;
+ for ( dlm = dlc->dlc_dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
+ if ( dlm->dlm_member_ad == a->a_desc ) {
+ if ( dlm->dlm_mapped_ad ) {
+ ad = dlm->dlm_mapped_ad;
+ }
+ break;
+ }
+ }
+
+ mod.sm_op = LDAP_MOD_ADD;
+ mod.sm_desc = ad;
+ mod.sm_type = ad->ad_cname;
+ mod.sm_values = vals;
+ mod.sm_nvalues = nvals;
+ mod.sm_numvals = j;
+
+ (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 );
+ rs->sr_entry = NULL;
+ rs->sr_flags &= ~REP_ENTRY_MASK;
+ }
+
+ return 0;
+}
+
+static int
+dynlist_prepare_entry( Operation *op, SlapReply *rs, dynlist_info_t *dli )
+{
+ Attribute *a, *id = NULL;
+ slap_callback cb = { 0 };
+ Operation o = *op;
+ struct berval *url;
+ Entry *e;
+ int opattrs,
+ userattrs;
+ dynlist_sc_t dlc = { 0 };
+ dynlist_map_t *dlm;
+
+ a = attrs_find( rs->sr_entry->e_attrs, dli->dli_ad );
+ if ( a == NULL ) {
+ /* FIXME: error? */
+ return SLAP_CB_CONTINUE;
+ }
+
+ opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
+ userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
+
+ /* Don't generate member list if it wasn't requested */
+ for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
+ AttributeDescription *ad = dlm->dlm_mapped_ad ? dlm->dlm_mapped_ad : dlm->dlm_member_ad;
+ if ( userattrs || ad_inlist( ad, rs->sr_attrs ) )
+ break;
+ }
+ if ( dli->dli_dlm && !dlm )
+ return SLAP_CB_CONTINUE;
+
+ if ( ad_dgIdentity && ( id = attrs_find( rs->sr_entry->e_attrs, ad_dgIdentity ))) {
+ Attribute *authz = NULL;
+
+ /* if not rootdn and dgAuthz is present,
+ * check if user can be authorized as dgIdentity */
+ if ( ad_dgAuthz && !BER_BVISEMPTY( &id->a_nvals[0] ) && !be_isroot( op )
+ && ( authz = attrs_find( rs->sr_entry->e_attrs, ad_dgAuthz ) ) )
+ {
+ if ( slap_sasl_matches( op, authz->a_nvals,
+ &o.o_ndn, &o.o_ndn ) != LDAP_SUCCESS )
+ {
+ return SLAP_CB_CONTINUE;
+ }
+ }
+
+ o.o_dn = id->a_vals[0];
+ o.o_ndn = id->a_nvals[0];
+ o.o_groups = NULL;
+ }
+
+ e = rs->sr_entry;
+ /* ensure e is modifiable, but do not replace
+ * sr_entry yet since we have pointers into it */
+ if ( !( rs->sr_flags & REP_ENTRY_MODIFIABLE ) ) {
+ e = entry_dup( rs->sr_entry );
+ }
+
+ dlc.dlc_e = e;
+ dlc.dlc_dli = dli;
+ cb.sc_private = &dlc;
+ cb.sc_response = dynlist_sc_update;
+
+ 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;
+
+ 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 != NULL ) {
+ /* FIXME: host not allowed; reject as illegal? */
+ Debug( LDAP_DEBUG_ANY, "dynlist_prepare_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;
+
+ for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
+ if ( dlm->dlm_mapped_ad != NULL ) {
+ break;
+ }
+ }
+
+ if ( dli->dli_dlm && !dlm ) {
+ /* 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 ) {
+ continue;
+ }
+
+ if ( !ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) ) {
+ /* lookup if mapped -- linear search,
+ * not very efficient unless list
+ * is very short */
+ for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
+ if ( dlm->dlm_member_ad == o.ors_attrs[j].an_desc ) {
+ break;
+ }
+ }
+
+ if ( dlm == NULL ) {
+ continue;
+ }
+ }
+
+ } else {
+ if ( !userattrs &&
+ o.ors_attrs[j].an_desc != NULL &&
+ !ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) )
+ {
+ /* lookup if mapped -- linear search,
+ * not very efficient unless list
+ * is very short */
+ for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
+ if ( dlm->dlm_member_ad == o.ors_attrs[j].an_desc ) {
+ break;
+ }
+ }
+
+ if ( dlm == NULL ) {
+ 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, rs->sr_entry, url->bv_val, &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, 1 );
+ if ( o.o_bd && o.o_bd->be_search ) {
+ SlapReply r = { REP_SEARCH };
+ r.sr_attr_flags = slap_attr_flags( o.ors_attrs );
+ (void)o.o_bd->be_search( &o, &r );
+ }
+
+cleanup:;
+ if ( id ) {
+ slap_op_groups_free( &o );
+ }
+ if ( o.ors_filter ) {
+ filter_free_x( &o, o.ors_filter, 1 );
+ }
+ 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 );
+ }
+ assert( BER_BVISNULL( &o.ors_filterstr )
+ || o.ors_filterstr.bv_val != lud->lud_filter );
+ op->o_tmpfree( o.ors_filterstr.bv_val, op->o_tmpmemctx );
+ ldap_free_urldesc( lud );
+ }
+
+ if ( e != rs->sr_entry ) {
+ rs_replace_entry( op, rs, (slap_overinst *)op->o_bd->bd_info, e );
+ rs->sr_flags |= REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED;
+ }
+
+ return SLAP_CB_CONTINUE;
+}
+
+/* dynlist_sc_compare_entry() callback set by dynlist_compare() */
+typedef struct dynlist_cc_t {
+ slap_callback dc_cb;
+# define dc_ava dc_cb.sc_private /* attr:val to compare with */
+ int *dc_res;
+} dynlist_cc_t;
+
+static int
+dynlist_sc_compare_entry( Operation *op, SlapReply *rs )
+{
+ if ( rs->sr_type == REP_SEARCH && rs->sr_entry != NULL ) {
+ dynlist_cc_t *dc = (dynlist_cc_t *)op->o_callback;
+ AttributeAssertion *ava = dc->dc_ava;
+ Attribute *a = attrs_find( rs->sr_entry->e_attrs, ava->aa_desc );
+
+ if ( a != NULL ) {
+ while ( LDAP_SUCCESS != attr_valfind( a,
+ SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
+ SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
+ &ava->aa_value, NULL, op->o_tmpmemctx )
+ && (a = attrs_find( a->a_next, ava->aa_desc )) != NULL )
+ ;
+ *dc->dc_res = a ? LDAP_COMPARE_TRUE : LDAP_COMPARE_FALSE;
+ }
+ }
+
+ 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;
+ Operation o = *op;
+ Entry *e = NULL;
+ dynlist_map_t *dlm;
+ BackendDB *be;
+
+ for ( ; dli != NULL; dli = dli->dli_next ) {
+ for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next )
+ if ( op->oq_compare.rs_ava->aa_desc == dlm->dlm_member_ad )
+ break;
+
+ if ( dlm ) {
+ /* 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.
+ */
+ BerVarray id = NULL, authz = NULL;
+
+ o.o_do_not_cache = 1;
+
+ if ( ad_dgIdentity && backend_attribute( &o, NULL, &o.o_req_ndn,
+ ad_dgIdentity, &id, ACL_READ ) == LDAP_SUCCESS )
+ {
+ /* if not rootdn and dgAuthz is present,
+ * check if user can be authorized as dgIdentity */
+ if ( ad_dgAuthz && !BER_BVISEMPTY( id ) && !be_isroot( op )
+ && backend_attribute( &o, NULL, &o.o_req_ndn,
+ ad_dgAuthz, &authz, ACL_READ ) == LDAP_SUCCESS )
+ {
+
+ rs->sr_err = slap_sasl_matches( op, authz,
+ &o.o_ndn, &o.o_ndn );
+ ber_bvarray_free_x( authz, op->o_tmpmemctx );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ goto done;
+ }
+ }
+
+ o.o_dn = *id;
+ o.o_ndn = *id;
+ o.o_groups = NULL; /* authz changed, invalidate cached groups */
+ }
+
+ rs->sr_err = backend_group( &o, NULL, &o.o_req_ndn,
+ &o.oq_compare.rs_ava->aa_value, dli->dli_oc, dli->dli_ad );
+ 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;
+ }
+
+done:;
+ if ( id ) ber_bvarray_free_x( id, o.o_tmpmemctx );
+
+ return SLAP_CB_CONTINUE;
+ }
+ }
+
+ be = select_backend( &o.o_req_ndn, 1 );
+ if ( !be || !be->be_search ) {
+ return SLAP_CB_CONTINUE;
+ }
+
+ if ( overlay_entry_get_ov( &o, &o.o_req_ndn, NULL, NULL, 0, &e, on ) !=
+ LDAP_SUCCESS || e == NULL )
+ {
+ return SLAP_CB_CONTINUE;
+ }
+
+ /* check for dynlist objectClass; done if not found */
+ dli = (dynlist_info_t *)on->on_bi.bi_private;
+ while ( dli != NULL && !is_entry_objectclass_or_sub( e, dli->dli_oc ) ) {
+ dli = dli->dli_next;
+ }
+ if ( dli == NULL ) {
+ goto release;
+ }
+
+ if ( ad_dgIdentity ) {
+ Attribute *id = attrs_find( e->e_attrs, ad_dgIdentity );
+ if ( id ) {
+ Attribute *authz;
+
+ /* if not rootdn and dgAuthz is present,
+ * check if user can be authorized as dgIdentity */
+ if ( ad_dgAuthz && !BER_BVISEMPTY( &id->a_nvals[0] ) && !be_isroot( op )
+ && ( authz = attrs_find( e->e_attrs, ad_dgAuthz ) ) )
+ {
+ if ( slap_sasl_matches( op, authz->a_nvals,
+ &o.o_ndn, &o.o_ndn ) != LDAP_SUCCESS )
+ {
+ goto release;
+ }
+ }
+
+ o.o_dn = id->a_vals[0];
+ o.o_ndn = id->a_nvals[0];
+ o.o_groups = NULL;
+ }
+ }
+
+ /* generate dynamic list with dynlist_response() and compare */
+ {
+ SlapReply r = { REP_SEARCH };
+ dynlist_cc_t dc = { { 0, dynlist_sc_compare_entry, 0, 0 }, 0 };
+ AttributeName an[2];
+
+ dc.dc_ava = op->orc_ava;
+ dc.dc_res = &rs->sr_err;
+ o.o_callback = (slap_callback *) &dc;
+
+ o.o_tag = LDAP_REQ_SEARCH;
+ o.ors_limit = NULL;
+ o.ors_tlimit = SLAP_NO_LIMIT;
+ o.ors_slimit = SLAP_NO_LIMIT;
+
+ o.ors_filterstr = *slap_filterstr_objectClass_pres;
+ o.ors_filter = (Filter *) slap_filter_objectClass_pres;
+
+ 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;
+
+ o.o_acl_priv = ACL_COMPARE;
+
+ o.o_bd = be;
+ (void)be->be_search( &o, &r );
+
+ if ( o.o_dn.bv_val != op->o_dn.bv_val ) {
+ slap_op_groups_free( &o );
+ }
+ }
+
+release:;
+ if ( e != NULL ) {
+ overlay_entry_release_ov( &o, e, 0, on );
+ }
+
+ return SLAP_CB_CONTINUE;
+}
+
+static int
+dynlist_response( Operation *op, SlapReply *rs )
+{
+ switch ( op->o_tag ) {
+ case LDAP_REQ_SEARCH:
+ if ( rs->sr_type == REP_SEARCH && !get_manageDSAit( op ) )
+ {
+ int rc = SLAP_CB_CONTINUE;
+ dynlist_info_t *dli = NULL;
+
+ while ( (dli = dynlist_is_dynlist_next( op, rs, dli )) != NULL ) {
+ rc = dynlist_prepare_entry( op, rs, dli );
+ }
+
+ return rc;
+ }
+ 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;
+ }
+
+ 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 = ch_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( ptr == &dli->dli_default_filter.bv_val[dli->dli_default_filter.bv_len] );
+
+ return 0;
+}
+
+enum {
+ DL_ATTRSET = 1,
+ DL_ATTRPAIR,
+ DL_ATTRPAIR_COMPAT,
+ DL_LAST
+};
+
+static ConfigDriver dl_cfgen;
+
+/* XXXmanu 255 is the maximum arguments we allow. Can we go beyond? */
+static ConfigTable dlcfg[] = {
+ { "dynlist-attrset", "group-oc> [uri] <URL-ad> <[mapped:]member-ad> [...]",
+ 3, 0, 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->cr_msg;
+ dynlist_map_t *dlm;
+
+ assert( dli->dli_oc != NULL );
+ assert( dli->dli_ad != NULL );
+
+ /* FIXME: check buffer overflow! */
+ ptr += snprintf( c->cr_msg, sizeof( c->cr_msg ),
+ SLAP_X_ORDERED_FMT "%s", i,
+ dli->dli_oc->soc_cname.bv_val );
+
+ if ( !BER_BVISNULL( &dli->dli_uri ) ) {
+ *ptr++ = ' ';
+ *ptr++ = '"';
+ ptr = lutil_strncopy( ptr, dli->dli_uri.bv_val,
+ dli->dli_uri.bv_len );
+ *ptr++ = '"';
+ }
+
+ *ptr++ = ' ';
+ ptr = lutil_strncopy( ptr, dli->dli_ad->ad_cname.bv_val,
+ dli->dli_ad->ad_cname.bv_len );
+
+ for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
+ ptr[ 0 ] = ' ';
+ ptr++;
+ if ( dlm->dlm_mapped_ad ) {
+ ptr = lutil_strcopy( ptr, dlm->dlm_mapped_ad->ad_cname.bv_val );
+ ptr[ 0 ] = ':';
+ ptr++;
+ }
+
+ ptr = lutil_strcopy( ptr, dlm->dlm_member_ad->ad_cname.bv_val );
+ }
+
+ bv.bv_val = c->cr_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 ) {
+ dynlist_map_t *dlm = dli->dli_dlm;
+ dynlist_map_t *dlm_next;
+
+ dli_next = dli->dli_next;
+
+ if ( !BER_BVISNULL( &dli->dli_uri ) ) {
+ ch_free( dli->dli_uri.bv_val );
+ }
+
+ if ( dli->dli_lud != NULL ) {
+ ldap_free_urldesc( dli->dli_lud );
+ }
+
+ if ( !BER_BVISNULL( &dli->dli_uri_nbase ) ) {
+ ber_memfree( dli->dli_uri_nbase.bv_val );
+ }
+
+ if ( dli->dli_uri_filter != NULL ) {
+ filter_free( dli->dli_uri_filter );
+ }
+
+ ch_free( dli->dli_default_filter.bv_val );
+
+ while ( dlm != NULL ) {
+ dlm_next = dlm->dlm_next;
+ ch_free( dlm );
+ dlm = dlm_next;
+ }
+ ch_free( dli );
+ }
+
+ on->on_bi.bi_private = NULL;
+
+ } else {
+ dynlist_info_t **dlip;
+ dynlist_map_t *dlm;
+ dynlist_map_t *dlm_next;
+
+ 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;
+
+ if ( !BER_BVISNULL( &dli->dli_uri ) ) {
+ ch_free( dli->dli_uri.bv_val );
+ }
+
+ if ( dli->dli_lud != NULL ) {
+ ldap_free_urldesc( dli->dli_lud );
+ }
+
+ if ( !BER_BVISNULL( &dli->dli_uri_nbase ) ) {
+ ber_memfree( dli->dli_uri_nbase.bv_val );
+ }
+
+ if ( dli->dli_uri_filter != NULL ) {
+ filter_free( dli->dli_uri_filter );
+ }
+
+ ch_free( dli->dli_default_filter.bv_val );
+
+ dlm = dli->dli_dlm;
+ while ( dlm != NULL ) {
+ dlm_next = dlm->dlm_next;
+ ch_free( dlm );
+ dlm = dlm_next;
+ }
+ 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 rc;
+ }
+
+ switch( c->type ) {
+ case DL_ATTRSET: {
+ dynlist_info_t **dlip,
+ *dli_next = NULL;
+ ObjectClass *oc = NULL;
+ AttributeDescription *ad = NULL;
+ int attridx = 2;
+ LDAPURLDesc *lud = NULL;
+ struct berval nbase = BER_BVNULL;
+ Filter *filter = NULL;
+ struct berval uri = BER_BVNULL;
+ dynlist_map_t *dlm = NULL, *dlml = NULL;
+ const char *text;
+
+ oc = oc_find( c->argv[ 1 ] );
+ if ( oc == NULL ) {
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
+ "unable to find ObjectClass \"%s\"",
+ c->argv[ 1 ] );
+ Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
+ c->log, c->cr_msg, 0 );
+ return 1;
+ }
+
+ if ( strncasecmp( c->argv[ attridx ], "ldap://", STRLENOF("ldap://") ) == 0 ) {
+ if ( ldap_url_parse( c->argv[ attridx ], &lud ) != LDAP_URL_SUCCESS ) {
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
+ "unable to parse URI \"%s\"",
+ c->argv[ attridx ] );
+ rc = 1;
+ goto done_uri;
+ }
+
+ if ( lud->lud_host != NULL ) {
+ if ( lud->lud_host[0] == '\0' ) {
+ ch_free( lud->lud_host );
+ lud->lud_host = NULL;
+
+ } else {
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
+ "host not allowed in URI \"%s\"",
+ c->argv[ attridx ] );
+ rc = 1;
+ goto done_uri;
+ }
+ }
+
+ if ( lud->lud_attrs != NULL ) {
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
+ "attrs not allowed in URI \"%s\"",
+ c->argv[ attridx ] );
+ rc = 1;
+ goto done_uri;
+ }
+
+ if ( lud->lud_exts != NULL ) {
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
+ "extensions not allowed in URI \"%s\"",
+ c->argv[ attridx ] );
+ rc = 1;
+ goto done_uri;
+ }
+
+ if ( lud->lud_dn != NULL && lud->lud_dn[ 0 ] != '\0' ) {
+ struct berval dn;
+ ber_str2bv( lud->lud_dn, 0, 0, &dn );
+ rc = dnNormalize( 0, NULL, NULL, &dn, &nbase, NULL );
+ if ( rc != LDAP_SUCCESS ) {
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
+ "DN normalization failed in URI \"%s\"",
+ c->argv[ attridx ] );
+ goto done_uri;
+ }
+ }
+
+ if ( lud->lud_filter != NULL && lud->lud_filter[ 0 ] != '\0' ) {
+ filter = str2filter( lud->lud_filter );
+ if ( filter == NULL ) {
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
+ "filter parsing failed in URI \"%s\"",
+ c->argv[ attridx ] );
+ rc = 1;
+ goto done_uri;
+ }
+ }
+
+ ber_str2bv( c->argv[ attridx ], 0, 1, &uri );
+
+done_uri:;
+ if ( rc ) {
+ if ( lud ) {
+ ldap_free_urldesc( lud );
+ }
+
+ if ( !BER_BVISNULL( &nbase ) ) {
+ ber_memfree( nbase.bv_val );
+ }
+
+ if ( filter != NULL ) {
+ filter_free( filter );
+ }
+
+ while ( dlm != NULL ) {
+ dlml = dlm;
+ dlm = dlm->dlm_next;
+ ch_free( dlml );
+ }
+
+ Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
+ c->log, c->cr_msg, 0 );
+
+ return rc;
+ }
+
+ attridx++;
+ }
+
+ rc = slap_str2ad( c->argv[ attridx ], &ad, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
+ "unable to find AttributeDescription \"%s\"",
+ c->argv[ attridx ] );
+ Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
+ c->log, c->cr_msg, 0 );
+ rc = 1;
+ goto done_uri;
+ }
+
+ if ( !is_at_subtype( ad->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
+ "AttributeDescription \"%s\" "
+ "must be a subtype of \"labeledURI\"",
+ c->argv[ attridx ] );
+ Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
+ c->log, c->cr_msg, 0 );
+ rc = 1;
+ goto done_uri;
+ }
+
+ attridx++;
+
+ for ( i = attridx; i < c->argc; i++ ) {
+ char *arg;
+ char *cp;
+ AttributeDescription *member_ad = NULL;
+ AttributeDescription *mapped_ad = NULL;
+ dynlist_map_t *dlmp;
+
+
+ /*
+ * If no mapped attribute is given, dn is used
+ * for backward compatibility.
+ */
+ arg = c->argv[i];
+ if ( ( cp = strchr( arg, ':' ) ) != NULL ) {
+ struct berval bv;
+ ber_str2bv( arg, cp - arg, 0, &bv );
+ rc = slap_bv2ad( &bv, &mapped_ad, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ snprintf( c->cr_msg, sizeof( c->cr_msg ),
+ DYNLIST_USAGE
+ "unable to find mapped AttributeDescription #%d \"%s\"\n",
+ i - 3, c->argv[ i ] );
+ Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
+ c->log, c->cr_msg, 0 );
+ rc = 1;
+ goto done_uri;
+ }
+ arg = cp + 1;
+ }
+
+ rc = slap_str2ad( arg, &member_ad, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ snprintf( c->cr_msg, sizeof( c->cr_msg ),
+ DYNLIST_USAGE
+ "unable to find AttributeDescription #%d \"%s\"\n",
+ i - 3, c->argv[ i ] );
+ Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
+ c->log, c->cr_msg, 0 );
+ rc = 1;
+ goto done_uri;
+ }
+
+ dlmp = (dynlist_map_t *)ch_calloc( 1, sizeof( dynlist_map_t ) );
+ if ( dlm == NULL ) {
+ dlm = dlmp;
+ }
+ dlmp->dlm_member_ad = member_ad;
+ dlmp->dlm_mapped_ad = mapped_ad;
+ dlmp->dlm_next = NULL;
+
+ if ( dlml != NULL )
+ dlml->dlm_next = dlmp;
+ dlml = dlmp;
+ }
+
+ 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->cr_msg, sizeof( c->cr_msg ),
+ DYNLIST_USAGE
+ "invalid index {%d}\n",
+ c->valx );
+ Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
+ c->log, c->cr_msg, 0 );
+ rc = 1;
+ goto done_uri;
+ }
+ 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_dlm = dlm;
+ (*dlip)->dli_next = dli_next;
+
+ (*dlip)->dli_lud = lud;
+ (*dlip)->dli_uri_nbase = nbase;
+ (*dlip)->dli_uri_filter = filter;
+ (*dlip)->dli_uri = uri;
+
+ rc = dynlist_build_def_filter( *dlip );
+
+ } break;
+
+ case DL_ATTRPAIR_COMPAT:
+ snprintf( c->cr_msg, sizeof( c->cr_msg ),
+ "warning: \"attrpair\" only supported for limited "
+ "backward compatibility with overlay \"dyngroup\"" );
+ Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_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->cr_msg, sizeof( c->cr_msg ),
+ "\"dynlist-attrpair <member-ad> <URL-ad>\": "
+ "unable to find default ObjectClass \"groupOfURLs\"" );
+ Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
+ c->log, c->cr_msg, 0 );
+ return 1;
+ }
+
+ rc = slap_str2ad( c->argv[ 1 ], &member_ad, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ snprintf( c->cr_msg, sizeof( c->cr_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->cr_msg, 0 );
+ return 1;
+ }
+
+ rc = slap_str2ad( c->argv[ 2 ], &ad, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ snprintf( c->cr_msg, sizeof( c->cr_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->cr_msg, 0 );
+ return 1;
+ }
+
+ if ( !is_at_subtype( ad->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
+ snprintf( c->cr_msg, sizeof( c->cr_msg ),
+ DYNLIST_USAGE
+ "AttributeDescription \"%s\" "
+ "must be a subtype of \"labeledURI\"",
+ c->argv[ 2 ] );
+ Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
+ c->log, c->cr_msg, 0 );
+ return 1;
+ }
+
+ for ( dlip = (dynlist_info_t **)&on->on_bi.bi_private;
+ *dlip; dlip = &(*dlip)->dli_next )
+ {
+ /*
+ * The same URL attribute / member attribute pair
+ * cannot be repeated, but we enforce this only
+ * when the member attribute is unique. Performing
+ * the check for multiple values would require
+ * sorting and comparing the lists, which is left
+ * as a future improvement
+ */
+ if ( (*dlip)->dli_ad == ad &&
+ (*dlip)->dli_dlm->dlm_next == NULL &&
+ member_ad == (*dlip)->dli_dlm->dlm_member_ad ) {
+ snprintf( c->cr_msg, sizeof( c->cr_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->cr_msg, 0 );
+#if 0
+ /* make it a warning... */
+ return 1;
+#endif
+ }
+ }
+
+ *dlip = (dynlist_info_t *)ch_calloc( 1, sizeof( dynlist_info_t ) );
+
+ (*dlip)->dli_oc = oc;
+ (*dlip)->dli_ad = ad;
+ (*dlip)->dli_dlm = (dynlist_map_t *)ch_calloc( 1, sizeof( dynlist_map_t ) );
+ (*dlip)->dli_dlm->dlm_member_ad = member_ad;
+ (*dlip)->dli_dlm->dlm_mapped_ad = NULL;
+
+ rc = dynlist_build_def_filter( *dlip );
+
+ } break;
+
+ default:
+ rc = 1;
+ break;
+ }
+
+ return rc;
+}
+
+static int
+dynlist_db_open(
+ BackendDB *be,
+ ConfigReply *cr )
+{
+ 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;
+ const char *text;
+ int rc;
+
+ if ( dli == NULL ) {
+ dli = ch_calloc( 1, sizeof( dynlist_info_t ) );
+ on->on_bi.bi_private = (void *)dli;
+ }
+
+ for ( ; dli; dli = dli->dli_next ) {
+ if ( dli->dli_oc == NULL ) {
+ if ( oc == NULL ) {
+ oc = oc_find( "groupOfURLs" );
+ if ( oc == NULL ) {
+ snprintf( cr->msg, sizeof( cr->msg),
+ "unable to fetch objectClass \"groupOfURLs\"" );
+ Debug( LDAP_DEBUG_ANY, "dynlist_db_open: %s.\n", cr->msg, 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 ) {
+ snprintf( cr->msg, sizeof( cr->msg),
+ "unable to fetch attributeDescription \"memberURL\": %d (%s)",
+ rc, text );
+ Debug( LDAP_DEBUG_ANY, "dynlist_db_open: %s.\n", cr->msg, 0, 0 );
+ return 1;
+ }
+ }
+
+ dli->dli_ad = ad;
+ }
+
+ if ( BER_BVISNULL( &dli->dli_default_filter ) ) {
+ rc = dynlist_build_def_filter( dli );
+ if ( rc != 0 ) {
+ return rc;
+ }
+ }
+ }
+
+ if ( ad_dgIdentity == NULL ) {
+ rc = slap_str2ad( "dgIdentity", &ad_dgIdentity, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ snprintf( cr->msg, sizeof( cr->msg),
+ "unable to fetch attributeDescription \"dgIdentity\": %d (%s)",
+ rc, text );
+ Debug( LDAP_DEBUG_ANY, "dynlist_db_open: %s\n", cr->msg, 0, 0 );
+ /* Just a warning */
+ }
+ }
+
+ if ( ad_dgAuthz == NULL ) {
+ rc = slap_str2ad( "dgAuthz", &ad_dgAuthz, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ snprintf( cr->msg, sizeof( cr->msg),
+ "unable to fetch attributeDescription \"dgAuthz\": %d (%s)",
+ rc, text );
+ Debug( LDAP_DEBUG_ANY, "dynlist_db_open: %s\n", cr->msg, 0, 0 );
+ /* Just a warning */
+ }
+ }
+
+ return 0;
+}
+
+static int
+dynlist_db_destroy(
+ BackendDB *be,
+ ConfigReply *cr )
+{
+ 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 ) {
+ dynlist_map_t *dlm;
+ dynlist_map_t *dlm_next;
+
+ dli_next = dli->dli_next;
+
+ if ( !BER_BVISNULL( &dli->dli_uri ) ) {
+ ch_free( dli->dli_uri.bv_val );
+ }
+
+ if ( dli->dli_lud != NULL ) {
+ ldap_free_urldesc( dli->dli_lud );
+ }
+
+ if ( !BER_BVISNULL( &dli->dli_uri_nbase ) ) {
+ ber_memfree( dli->dli_uri_nbase.bv_val );
+ }
+
+ if ( dli->dli_uri_filter != NULL ) {
+ filter_free( dli->dli_uri_filter );
+ }
+
+ ch_free( dli->dli_default_filter.bv_val );
+
+ dlm = dli->dli_dlm;
+ while ( dlm != NULL ) {
+ dlm_next = dlm->dlm_next;
+ ch_free( dlm );
+ dlm = dlm_next;
+ }
+ 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)
+{
+ int rc = 0;
+
+ dynlist.on_bi.bi_type = "dynlist";
+
+#ifdef TAKEOVER_DYNGROUP
+ /* makes dynlist incompatible with dyngroup */
+ dynlist.on_bi.bi_obsolete_names = obsolete_names;
+#endif
+
+ dynlist.on_bi.bi_db_config = config_generic_wrapper;
+ dynlist.on_bi.bi_db_open = dynlist_db_open;
+ dynlist.on_bi.bi_db_destroy = dynlist_db_destroy;
+
+ dynlist.on_response = dynlist_response;
+
+ dynlist.on_bi.bi_cf_ocs = dlocs;
+
+ rc = config_register_schema( dlcfg, dlocs );
+ if ( rc ) {
+ return rc;
+ }
+
+ 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 */