diff options
Diffstat (limited to '')
| -rw-r--r-- | servers/slapd/overlays/dynlist.c | 1574 |
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 index 0000000..7efc1a8 --- /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 */ |