mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
b54780f940
Currently discovered via a "feature", but should use a control. Start of a control made, but needs to be better integrated (with auto use in ldapmodify(1)).
1183 lines
27 KiB
C
1183 lines
27 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright 1999-2003 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted only
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* as authorized by the OpenLDAP Public License. A copy of this
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* license is available at http://www.OpenLDAP.org/license.html or
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* in file LICENSE in the top-level directory of the distribution.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include <ac/socket.h>
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#include "slap.h"
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#include "../../libraries/liblber/lber-int.h"
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static SLAP_CTRL_PARSE_FN parseAssert;
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static SLAP_CTRL_PARSE_FN parseProxyAuthz;
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static SLAP_CTRL_PARSE_FN parseManageDSAit;
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static SLAP_CTRL_PARSE_FN parseModifyIncrement;
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static SLAP_CTRL_PARSE_FN parseNoOp;
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static SLAP_CTRL_PARSE_FN parsePagedResults;
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static SLAP_CTRL_PARSE_FN parseValuesReturnFilter;
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static SLAP_CTRL_PARSE_FN parsePermissiveModify;
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static SLAP_CTRL_PARSE_FN parseDomainScope;
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#ifdef LDAP_CONTROL_SUBENTRIES
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static SLAP_CTRL_PARSE_FN parseSubentries;
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#endif
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#ifdef LDAP_SYNC
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static SLAP_CTRL_PARSE_FN parseLdupSync;
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#endif
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#undef sc_mask /* avoid conflict with Irix 6.5 <sys/signal.h> */
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struct slap_control {
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/* Control OID */
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char *sc_oid;
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/* Operations supported by control */
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slap_mask_t sc_mask;
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/* Extended operations supported by control */
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char **sc_extendedops;
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/* Control parsing callback */
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SLAP_CTRL_PARSE_FN *sc_parse;
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LDAP_SLIST_ENTRY(slap_control) sc_next;
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};
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static LDAP_SLIST_HEAD(ControlsList, slap_control) controls_list
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= LDAP_SLIST_HEAD_INITIALIZER(&controls_list);
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/*
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* all known request control OIDs should be added to this list
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*/
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char **slap_known_controls = NULL;
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static char *proxy_authz_extops[] = {
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LDAP_EXOP_MODIFY_PASSWD,
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LDAP_EXOP_X_WHO_AM_I,
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NULL
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};
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static struct slap_control control_defs[] = {
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{ LDAP_CONTROL_ASSERT,
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SLAP_CTRL_ACCESS, NULL,
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parseAssert, LDAP_SLIST_ENTRY_INITIALIZER(next) },
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{ LDAP_CONTROL_VALUESRETURNFILTER,
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SLAP_CTRL_SEARCH, NULL,
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parseValuesReturnFilter, LDAP_SLIST_ENTRY_INITIALIZER(next) },
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#ifdef LDAP_CONTROL_PAGEDRESULTS
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{ LDAP_CONTROL_PAGEDRESULTS,
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SLAP_CTRL_SEARCH, NULL,
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parsePagedResults, LDAP_SLIST_ENTRY_INITIALIZER(next) },
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#endif
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#ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
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{ LDAP_CONTROL_X_DOMAIN_SCOPE,
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SLAP_CTRL_FRONTEND|SLAP_CTRL_SEARCH, NULL,
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parseDomainScope, LDAP_SLIST_ENTRY_INITIALIZER(next) },
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#endif
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#ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
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{ LDAP_CONTROL_X_PERMISSIVE_MODIFY,
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SLAP_CTRL_MODIFY, NULL,
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parsePermissiveModify, LDAP_SLIST_ENTRY_INITIALIZER(next) },
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#endif
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#ifdef LDAP_CONTROL_SUBENTRIES
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{ LDAP_CONTROL_SUBENTRIES,
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SLAP_CTRL_SEARCH, NULL,
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parseSubentries, LDAP_SLIST_ENTRY_INITIALIZER(next) },
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#endif
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{ LDAP_CONTROL_NOOP,
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SLAP_CTRL_ACCESS, NULL,
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parseNoOp, LDAP_SLIST_ENTRY_INITIALIZER(next) },
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#ifdef LDAP_SYNC
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{ LDAP_CONTROL_SYNC,
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SLAP_CTRL_HIDE|SLAP_CTRL_SEARCH, NULL,
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parseLdupSync, LDAP_SLIST_ENTRY_INITIALIZER(next) },
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#endif
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{ LDAP_CONTROL_MODIFY_INCREMENT,
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SLAP_CTRL_MODIFY, NULL,
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parseModifyIncrement, LDAP_SLIST_ENTRY_INITIALIZER(next) },
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{ LDAP_CONTROL_MANAGEDSAIT,
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SLAP_CTRL_ACCESS, NULL,
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parseManageDSAit, LDAP_SLIST_ENTRY_INITIALIZER(next) },
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{ LDAP_CONTROL_PROXY_AUTHZ,
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SLAP_CTRL_FRONTEND|SLAP_CTRL_ACCESS, proxy_authz_extops,
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parseProxyAuthz, LDAP_SLIST_ENTRY_INITIALIZER(next) },
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{ NULL, 0, NULL, 0, LDAP_SLIST_ENTRY_INITIALIZER(next) }
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};
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/*
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* Register a supported control.
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*
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* This can be called by an OpenLDAP plugin or, indirectly, by a
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* SLAPI plugin calling slapi_register_supported_control().
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*/
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int
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register_supported_control(const char *controloid,
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slap_mask_t controlmask,
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char **controlexops,
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SLAP_CTRL_PARSE_FN *controlparsefn)
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{
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struct slap_control *sc;
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int i;
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if ( controloid == NULL ) {
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return LDAP_PARAM_ERROR;
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}
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sc = (struct slap_control *)SLAP_MALLOC( sizeof( *sc ) );
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if ( sc == NULL ) {
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return LDAP_NO_MEMORY;
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}
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sc->sc_oid = ch_strdup( controloid );
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sc->sc_mask = controlmask;
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if ( controlexops != NULL ) {
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sc->sc_extendedops = ldap_charray_dup( controlexops );
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if ( sc->sc_extendedops == NULL ) {
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ch_free( sc );
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return LDAP_NO_MEMORY;
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}
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} else {
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sc->sc_extendedops = NULL;
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}
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sc->sc_parse = controlparsefn;
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/* Update slap_known_controls, too. */
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if ( slap_known_controls == NULL ) {
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slap_known_controls = (char **)SLAP_MALLOC( 2 * sizeof(char *) );
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if ( slap_known_controls == NULL ) {
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if ( sc->sc_extendedops != NULL ) ldap_charray_free( sc->sc_extendedops );
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ch_free( sc );
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return LDAP_NO_MEMORY;
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}
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slap_known_controls[0] = ch_strdup( sc->sc_oid );
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slap_known_controls[1] = NULL;
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} else {
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for ( i = 0; slap_known_controls[i] != NULL; i++ )
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;
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slap_known_controls = (char **)SLAP_REALLOC( slap_known_controls, (i + 2) * sizeof(char *) );
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if ( slap_known_controls == NULL ) {
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if ( sc->sc_extendedops != NULL ) ldap_charray_free( sc->sc_extendedops );
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ch_free( sc );
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return LDAP_NO_MEMORY;
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}
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slap_known_controls[i++] = ch_strdup( sc->sc_oid );
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slap_known_controls[i] = NULL;
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}
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LDAP_SLIST_NEXT( sc, sc_next ) = NULL;
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LDAP_SLIST_INSERT_HEAD( &controls_list, sc, sc_next );
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return LDAP_SUCCESS;
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}
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/*
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* One-time initialization of internal controls.
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*/
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int
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slap_controls_init( void )
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{
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int i, rc;
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struct slap_control *sc;
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rc = LDAP_SUCCESS;
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for ( i = 0; control_defs[i].sc_oid != NULL; i++ ) {
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rc = register_supported_control( control_defs[i].sc_oid,
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control_defs[i].sc_mask, control_defs[i].sc_extendedops,
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control_defs[i].sc_parse );
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if ( rc != LDAP_SUCCESS )
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break;
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}
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return rc;
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}
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/*
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* Free memory associated with list of supported controls.
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*/
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void
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controls_destroy( void )
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{
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struct slap_control *sc;
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while ( !LDAP_SLIST_EMPTY(&controls_list) ) {
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sc = LDAP_SLIST_FIRST(&controls_list);
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LDAP_SLIST_REMOVE_HEAD(&controls_list, sc_next);
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ch_free( sc->sc_oid );
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if ( sc->sc_extendedops != NULL ) {
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ldap_charray_free( sc->sc_extendedops );
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}
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ch_free( sc );
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}
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ldap_charray_free( slap_known_controls );
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}
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/*
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* Format the supportedControl attribute of the root DSE,
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* detailing which controls are supported by the directory
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* server.
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*/
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int
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controls_root_dse_info( Entry *e )
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{
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AttributeDescription *ad_supportedControl
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= slap_schema.si_ad_supportedControl;
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struct berval vals[2];
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struct slap_control *sc;
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vals[1].bv_val = NULL;
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vals[1].bv_len = 0;
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LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
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if( sc->sc_mask & SLAP_CTRL_HIDE ) continue;
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vals[0].bv_val = sc->sc_oid;
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vals[0].bv_len = strlen( sc->sc_oid );
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if ( attr_merge( e, ad_supportedControl, vals, NULL ) ) {
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return -1;
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}
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}
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return 0;
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}
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/*
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* Return a list of OIDs and operation masks for supported
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* controls. Used by SLAPI.
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*/
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int
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get_supported_controls(char ***ctrloidsp,
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slap_mask_t **ctrlmasks)
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{
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int i, n;
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char **oids;
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slap_mask_t *masks;
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int rc;
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struct slap_control *sc;
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n = 0;
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LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
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n++;
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}
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if ( n == 0 ) {
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*ctrloidsp = NULL;
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*ctrlmasks = NULL;
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return LDAP_SUCCESS;
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}
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oids = (char **)SLAP_MALLOC( (n + 1) * sizeof(char *) );
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if ( oids == NULL ) {
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return LDAP_NO_MEMORY;
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}
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masks = (slap_mask_t *)SLAP_MALLOC( (n + 1) * sizeof(slap_mask_t) );
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if ( masks == NULL ) {
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ch_free( oids );
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return LDAP_NO_MEMORY;
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}
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n = 0;
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LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
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oids[n] = ch_strdup( sc->sc_oid );
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masks[n] = sc->sc_mask;
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n++;
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}
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oids[n] = NULL;
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masks[n] = 0;
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*ctrloidsp = oids;
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*ctrlmasks = masks;
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return LDAP_SUCCESS;
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}
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/*
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* Find a control given its OID.
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*/
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static struct slap_control *
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find_ctrl( const char *oid )
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{
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struct slap_control *sc;
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LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
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if ( strcmp( oid, sc->sc_oid ) == 0 ) {
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return sc;
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}
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}
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return NULL;
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}
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void slap_free_ctrls(
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Operation *op,
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LDAPControl **ctrls
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)
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{
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int i;
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for (i=0; ctrls[i]; i++) {
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op->o_tmpfree(ctrls[i], op->o_tmpmemctx );
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}
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op->o_tmpfree( ctrls, op->o_tmpmemctx );
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}
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int get_ctrls(
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Operation *op,
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SlapReply *rs,
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int sendres )
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{
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int nctrls = 0;
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ber_tag_t tag;
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ber_len_t len;
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char *opaque;
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BerElement *ber = op->o_ber;
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struct slap_control *sc;
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struct berval bv;
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len = ber_pvt_ber_remaining(ber);
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if( len == 0) {
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/* no controls */
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rs->sr_err = LDAP_SUCCESS;
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return rs->sr_err;
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}
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if(( tag = ber_peek_tag( ber, &len )) != LDAP_TAG_CONTROLS ) {
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if( tag == LBER_ERROR ) {
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rs->sr_err = SLAPD_DISCONNECT;
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rs->sr_text = "unexpected data in PDU";
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}
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goto return_results;
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}
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, ENTRY,
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"get_ctrls: conn %lu\n", op->o_connid, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"=> get_ctrls\n", 0, 0, 0 );
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#endif
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if( op->o_protocol < LDAP_VERSION3 ) {
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rs->sr_err = SLAPD_DISCONNECT;
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rs->sr_text = "controls require LDAPv3";
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goto return_results;
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}
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/* one for first control, one for termination */
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op->o_ctrls = op->o_tmpalloc( 2 * sizeof(LDAPControl *), op->o_tmpmemctx );
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#if 0
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if( op->ctrls == NULL ) {
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rs->sr_err = LDAP_NO_MEMORY;
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rs->sr_text = "no memory";
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goto return_results;
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}
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#endif
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op->o_ctrls[nctrls] = NULL;
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/* step through each element */
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for( tag = ber_first_element( ber, &len, &opaque );
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tag != LBER_ERROR;
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tag = ber_next_element( ber, &len, opaque ) )
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{
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LDAPControl *c;
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LDAPControl **tctrls;
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c = op->o_tmpalloc( sizeof(LDAPControl), op->o_tmpmemctx );
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memset(c, 0, sizeof(LDAPControl));
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/* allocate pointer space for current controls (nctrls)
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* + this control + extra NULL
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*/
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tctrls = op->o_tmprealloc( op->o_ctrls,
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(nctrls+2) * sizeof(LDAPControl *), op->o_tmpmemctx );
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#if 0
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if( tctrls == NULL ) {
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ch_free( c );
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ldap_controls_free(op->o_ctrls);
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op->o_ctrls = NULL;
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rs->sr_err = LDAP_NO_MEMORY;
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rs->sr_text = "no memory";
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goto return_results;
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}
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#endif
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op->o_ctrls = tctrls;
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op->o_ctrls[nctrls++] = c;
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op->o_ctrls[nctrls] = NULL;
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tag = ber_scanf( ber, "{m" /*}*/, &bv );
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c->ldctl_oid = bv.bv_val;
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if( tag == LBER_ERROR ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu get OID failed.\n",
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op->o_connid, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get oid failed.\n",
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0, 0, 0 );
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#endif
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slap_free_ctrls( op, op->o_ctrls );
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op->o_ctrls = NULL;
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rs->sr_err = SLAPD_DISCONNECT;
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rs->sr_text = "decoding controls error";
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goto return_results;
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|
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} else if( c->ldctl_oid == NULL ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, INFO,
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"get_ctrls: conn %lu got emtpy OID.\n",
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op->o_connid, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"get_ctrls: conn %lu got emtpy OID.\n",
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op->o_connid, 0, 0 );
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#endif
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slap_free_ctrls( op, op->o_ctrls );
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op->o_ctrls = NULL;
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rs->sr_err = LDAP_PROTOCOL_ERROR;
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rs->sr_text = "OID field is empty";
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goto return_results;
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}
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|
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tag = ber_peek_tag( ber, &len );
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|
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if( tag == LBER_BOOLEAN ) {
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ber_int_t crit;
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tag = ber_scanf( ber, "b", &crit );
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|
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if( tag == LBER_ERROR ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, INFO,
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"get_ctrls: conn %lu get crit failed.\n",
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op->o_connid, 0, 0 );
|
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#else
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Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get crit failed.\n",
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0, 0, 0 );
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#endif
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slap_free_ctrls( op, op->o_ctrls );
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op->o_ctrls = NULL;
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rs->sr_err = SLAPD_DISCONNECT;
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rs->sr_text = "decoding controls error";
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goto return_results;
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}
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|
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c->ldctl_iscritical = (crit != 0);
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tag = ber_peek_tag( ber, &len );
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}
|
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|
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if( tag == LBER_OCTETSTRING ) {
|
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tag = ber_scanf( ber, "m", &c->ldctl_value );
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|
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if( tag == LBER_ERROR ) {
|
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#ifdef NEW_LOGGING
|
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LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu: "
|
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"%s (%scritical): get value failed.\n",
|
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op->o_connid, c->ldctl_oid,
|
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c->ldctl_iscritical ? "" : "non" );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: conn %lu: "
|
|
"%s (%scritical): get value failed.\n",
|
|
op->o_connid, c->ldctl_oid,
|
|
c->ldctl_iscritical ? "" : "non" );
|
|
#endif
|
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slap_free_ctrls( op, op->o_ctrls );
|
|
op->o_ctrls = NULL;
|
|
rs->sr_err = SLAPD_DISCONNECT;
|
|
rs->sr_text = "decoding controls error";
|
|
goto return_results;
|
|
}
|
|
}
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, INFO,
|
|
"get_ctrls: conn %lu oid=\"%s\" (%scritical)\n",
|
|
op->o_connid, c->ldctl_oid, c->ldctl_iscritical ? "" : "non" );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"=> get_ctrls: oid=\"%s\" (%scritical)\n",
|
|
c->ldctl_oid, c->ldctl_iscritical ? "" : "non", 0 );
|
|
#endif
|
|
|
|
sc = find_ctrl( c->ldctl_oid );
|
|
if( sc != NULL ) {
|
|
/* recognized control */
|
|
slap_mask_t tagmask;
|
|
switch( op->o_tag ) {
|
|
case LDAP_REQ_ADD:
|
|
tagmask = SLAP_CTRL_ADD;
|
|
break;
|
|
case LDAP_REQ_BIND:
|
|
tagmask = SLAP_CTRL_BIND;
|
|
break;
|
|
case LDAP_REQ_COMPARE:
|
|
tagmask = SLAP_CTRL_COMPARE;
|
|
break;
|
|
case LDAP_REQ_DELETE:
|
|
tagmask = SLAP_CTRL_DELETE;
|
|
break;
|
|
case LDAP_REQ_MODIFY:
|
|
tagmask = SLAP_CTRL_MODIFY;
|
|
break;
|
|
case LDAP_REQ_RENAME:
|
|
tagmask = SLAP_CTRL_RENAME;
|
|
break;
|
|
case LDAP_REQ_SEARCH:
|
|
tagmask = SLAP_CTRL_SEARCH;
|
|
break;
|
|
case LDAP_REQ_UNBIND:
|
|
tagmask = SLAP_CTRL_UNBIND;
|
|
break;
|
|
case LDAP_REQ_ABANDON:
|
|
tagmask = SLAP_CTRL_ABANDON;
|
|
break;
|
|
case LDAP_REQ_EXTENDED:
|
|
tagmask=~0L;
|
|
assert( op->ore_reqoid.bv_val != NULL );
|
|
if( sc->sc_extendedops != NULL ) {
|
|
int i;
|
|
for( i=0; sc->sc_extendedops[i] != NULL; i++ ) {
|
|
if( strcmp( op->ore_reqoid.bv_val, sc->sc_extendedops[i] )
|
|
== 0 )
|
|
{
|
|
tagmask=0L;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
rs->sr_err = LDAP_OTHER;
|
|
rs->sr_text = "controls internal error";
|
|
goto return_results;
|
|
}
|
|
|
|
if (( sc->sc_mask & tagmask ) == tagmask ) {
|
|
/* available extension */
|
|
|
|
if( !sc->sc_parse ) {
|
|
rs->sr_err = LDAP_OTHER;
|
|
rs->sr_text = "not yet implemented";
|
|
goto return_results;
|
|
}
|
|
|
|
rs->sr_err = sc->sc_parse( op, rs, c );
|
|
|
|
if( rs->sr_err != LDAP_SUCCESS ) goto return_results;
|
|
|
|
if ( sc->sc_mask & SLAP_CTRL_FRONTEND ) {
|
|
/* kludge to disable backend_control() check */
|
|
c->ldctl_iscritical = 0;
|
|
|
|
} else if ( tagmask == SLAP_CTRL_SEARCH &&
|
|
sc->sc_mask & SLAP_CTRL_FRONTEND_SEARCH )
|
|
{
|
|
/* kludge to disable backend_control() check */
|
|
c->ldctl_iscritical = 0;
|
|
}
|
|
|
|
} else if( c->ldctl_iscritical ) {
|
|
/* unavailable CRITICAL control */
|
|
rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
|
|
rs->sr_text = "critical extension is unavailable";
|
|
goto return_results;
|
|
}
|
|
|
|
} else if( c->ldctl_iscritical ) {
|
|
/* unrecognized CRITICAL control */
|
|
rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
|
|
rs->sr_text = "critical extension is not recognized";
|
|
goto return_results;
|
|
}
|
|
}
|
|
|
|
return_results:
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, RESULTS,
|
|
"get_ctrls: n=%d rc=%d err=\"%s\"\n",
|
|
nctrls, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"<= get_ctrls: n=%d rc=%d err=\"%s\"\n",
|
|
nctrls, rs->sr_err, rs->sr_text ? rs->sr_text : "");
|
|
#endif
|
|
|
|
if( sendres && rs->sr_err != LDAP_SUCCESS ) {
|
|
if( rs->sr_err == SLAPD_DISCONNECT ) {
|
|
rs->sr_err = LDAP_PROTOCOL_ERROR;
|
|
send_ldap_disconnect( op, rs );
|
|
rs->sr_err = SLAPD_DISCONNECT;
|
|
} else {
|
|
send_ldap_result( op, rs );
|
|
}
|
|
}
|
|
|
|
return rs->sr_err;
|
|
}
|
|
|
|
static int parseModifyIncrement (
|
|
Operation *op,
|
|
SlapReply *rs,
|
|
LDAPControl *ctrl )
|
|
{
|
|
#if 0
|
|
if ( op->o_parseModifyIncrement != SLAP_NO_CONTROL ) {
|
|
rs->sr_text = "modifyIncrement control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
#endif
|
|
|
|
if ( ctrl->ldctl_value.bv_len ) {
|
|
rs->sr_text = "modifyIncrement control value not empty";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
#if 0
|
|
op->o_parseModifyIncrement = ctrl->ldctl_iscritical
|
|
? SLAP_CRITICAL_CONTROL
|
|
: SLAP_NONCRITICAL_CONTROL;
|
|
#endif
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
static int parseManageDSAit (
|
|
Operation *op,
|
|
SlapReply *rs,
|
|
LDAPControl *ctrl )
|
|
{
|
|
if ( op->o_managedsait != SLAP_NO_CONTROL ) {
|
|
rs->sr_text = "manageDSAit control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( ctrl->ldctl_value.bv_len ) {
|
|
rs->sr_text = "manageDSAit control value not empty";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
op->o_managedsait = ctrl->ldctl_iscritical
|
|
? SLAP_CRITICAL_CONTROL
|
|
: SLAP_NONCRITICAL_CONTROL;
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
static int parseProxyAuthz (
|
|
Operation *op,
|
|
SlapReply *rs,
|
|
LDAPControl *ctrl )
|
|
{
|
|
int rc;
|
|
struct berval dn = { 0, NULL };
|
|
|
|
if ( op->o_proxy_authz != SLAP_NO_CONTROL ) {
|
|
rs->sr_text = "proxy authorization control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
op->o_proxy_authz = ctrl->ldctl_iscritical
|
|
? SLAP_CRITICAL_CONTROL
|
|
: SLAP_NONCRITICAL_CONTROL;
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, ARGS,
|
|
"parseProxyAuthz: conn %lu authzid=\"%s\"\n",
|
|
op->o_connid,
|
|
ctrl->ldctl_value.bv_len ? ctrl->ldctl_value.bv_val : "anonymous",
|
|
0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_ARGS,
|
|
"parseProxyAuthz: conn %lu authzid=\"%s\"\n",
|
|
op->o_connid,
|
|
ctrl->ldctl_value.bv_len ? ctrl->ldctl_value.bv_val : "anonymous",
|
|
0 );
|
|
#endif
|
|
|
|
if( ctrl->ldctl_value.bv_len == 0 ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, RESULTS,
|
|
"parseProxyAuthz: conn=%lu anonymous\n",
|
|
op->o_connid, 0, 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"parseProxyAuthz: conn=%lu anonymous\n",
|
|
op->o_connid, 0, 0 );
|
|
#endif
|
|
|
|
/* anonymous */
|
|
free( op->o_dn.bv_val );
|
|
op->o_dn.bv_len = 0;
|
|
op->o_dn.bv_val = ch_strdup( "" );
|
|
|
|
free( op->o_ndn.bv_val );
|
|
op->o_ndn.bv_len = 0;
|
|
op->o_ndn.bv_val = ch_strdup( "" );
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
rc = slap_sasl_getdn( op->o_conn, op,
|
|
ctrl->ldctl_value.bv_val, ctrl->ldctl_value.bv_len,
|
|
NULL, &dn, SLAP_GETDN_AUTHZID );
|
|
|
|
if( rc != LDAP_SUCCESS || !dn.bv_len ) {
|
|
if ( dn.bv_val ) {
|
|
ch_free( dn.bv_val );
|
|
}
|
|
rs->sr_text = "authzId mapping failed";
|
|
return LDAP_PROXY_AUTHZ_FAILURE;
|
|
}
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, RESULTS,
|
|
"parseProxyAuthz: conn=%lu \"%s\"\n",
|
|
op->o_connid,
|
|
dn.bv_len ? dn.bv_val : "(NULL)", 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"parseProxyAuthz: conn=%lu \"%s\"\n",
|
|
op->o_connid,
|
|
dn.bv_len ? dn.bv_val : "(NULL)", 0 );
|
|
#endif
|
|
|
|
rc = slap_sasl_authorized( op, &op->o_ndn, &dn );
|
|
|
|
if( rc ) {
|
|
ch_free( dn.bv_val );
|
|
rs->sr_text = "not authorized to assume identity";
|
|
return LDAP_PROXY_AUTHZ_FAILURE;
|
|
}
|
|
|
|
ch_free( op->o_dn.bv_val );
|
|
ch_free( op->o_ndn.bv_val );
|
|
|
|
op->o_dn.bv_val = NULL;
|
|
op->o_ndn = dn;
|
|
|
|
/*
|
|
* NOTE: since slap_sasl_getdn() returns a normalized dn,
|
|
* from now on op->o_dn is normalized
|
|
*/
|
|
ber_dupbv( &op->o_dn, &dn );
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
static int parseNoOp (
|
|
Operation *op,
|
|
SlapReply *rs,
|
|
LDAPControl *ctrl )
|
|
{
|
|
if ( op->o_noop != SLAP_NO_CONTROL ) {
|
|
rs->sr_text = "noop control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( ctrl->ldctl_value.bv_len ) {
|
|
rs->sr_text = "noop control value not empty";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
op->o_noop = ctrl->ldctl_iscritical
|
|
? SLAP_CRITICAL_CONTROL
|
|
: SLAP_NONCRITICAL_CONTROL;
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
#ifdef LDAP_CONTROL_PAGEDRESULTS
|
|
static int parsePagedResults (
|
|
Operation *op,
|
|
SlapReply *rs,
|
|
LDAPControl *ctrl )
|
|
{
|
|
ber_tag_t tag;
|
|
ber_int_t size;
|
|
BerElement *ber;
|
|
struct berval cookie = { 0, NULL };
|
|
|
|
if ( op->o_pagedresults != SLAP_NO_CONTROL ) {
|
|
rs->sr_text = "paged results control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( ctrl->ldctl_value.bv_len == 0 ) {
|
|
rs->sr_text = "paged results control value is empty (or absent)";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
/* Parse the control value
|
|
* realSearchControlValue ::= SEQUENCE {
|
|
* size INTEGER (0..maxInt),
|
|
* -- requested page size from client
|
|
* -- result set size estimate from server
|
|
* cookie OCTET STRING
|
|
* }
|
|
*/
|
|
ber = ber_init( &ctrl->ldctl_value );
|
|
if( ber == NULL ) {
|
|
rs->sr_text = "internal error";
|
|
return LDAP_OTHER;
|
|
}
|
|
|
|
tag = ber_scanf( ber, "{im}", &size, &cookie );
|
|
(void) ber_free( ber, 1 );
|
|
|
|
if( tag == LBER_ERROR ) {
|
|
rs->sr_text = "paged results control could not be decoded";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if( size < 0 ) {
|
|
rs->sr_text = "paged results control size invalid";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if( cookie.bv_len ) {
|
|
PagedResultsCookie reqcookie;
|
|
if( cookie.bv_len != sizeof( reqcookie ) ) {
|
|
/* bad cookie */
|
|
rs->sr_text = "paged results cookie is invalid";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
AC_MEMCPY( &reqcookie, cookie.bv_val, sizeof( reqcookie ));
|
|
|
|
if( reqcookie > op->o_pagedresults_state.ps_cookie ) {
|
|
/* bad cookie */
|
|
rs->sr_text = "paged results cookie is invalid";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
|
|
} else if( reqcookie < op->o_pagedresults_state.ps_cookie ) {
|
|
rs->sr_text = "paged results cookie is invalid or old";
|
|
return LDAP_UNWILLING_TO_PERFORM;
|
|
}
|
|
} else {
|
|
/* Initial request. Initialize state. */
|
|
op->o_pagedresults_state.ps_cookie = 0;
|
|
op->o_pagedresults_state.ps_id = NOID;
|
|
}
|
|
|
|
op->o_pagedresults_size = size;
|
|
|
|
op->o_pagedresults = ctrl->ldctl_iscritical
|
|
? SLAP_CRITICAL_CONTROL
|
|
: SLAP_NONCRITICAL_CONTROL;
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
#endif
|
|
|
|
static int parseAssert (
|
|
Operation *op,
|
|
SlapReply *rs,
|
|
LDAPControl *ctrl )
|
|
{
|
|
BerElement *ber;
|
|
struct berval fstr = { 0, NULL };
|
|
const char *err_msg = "";
|
|
|
|
if ( op->o_assert != SLAP_NO_CONTROL ) {
|
|
rs->sr_text = "assert control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( ctrl->ldctl_value.bv_len == 0 ) {
|
|
rs->sr_text = "assert control value is empty (or absent)";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
ber = ber_init( &(ctrl->ldctl_value) );
|
|
if (ber == NULL) {
|
|
rs->sr_text = "internal error";
|
|
return LDAP_OTHER;
|
|
}
|
|
|
|
rs->sr_err = get_filter( op, ber, &(op->o_assertion), &rs->sr_text);
|
|
|
|
if( rs->sr_err != LDAP_SUCCESS ) {
|
|
if( rs->sr_err == SLAPD_DISCONNECT ) {
|
|
rs->sr_err = LDAP_PROTOCOL_ERROR;
|
|
send_ldap_disconnect( op, rs );
|
|
rs->sr_err = SLAPD_DISCONNECT;
|
|
} else {
|
|
send_ldap_result( op, rs );
|
|
}
|
|
if( op->o_assertion != NULL) {
|
|
filter_free_x( op, op->o_assertion );
|
|
}
|
|
}
|
|
#ifdef LDAP_DEBUG
|
|
else {
|
|
filter2bv_x( op, op->o_assertion, &fstr );
|
|
}
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, ARGS,
|
|
"parseAssert: conn %ld assert: %s\n",
|
|
op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_ARGS, "parseAssert: conn %ld assert: %s\n",
|
|
op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 );
|
|
#endif
|
|
op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx );
|
|
#endif
|
|
|
|
op->o_assert = ctrl->ldctl_iscritical
|
|
? SLAP_CRITICAL_CONTROL
|
|
: SLAP_NONCRITICAL_CONTROL;
|
|
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
int parseValuesReturnFilter (
|
|
Operation *op,
|
|
SlapReply *rs,
|
|
LDAPControl *ctrl )
|
|
{
|
|
BerElement *ber;
|
|
struct berval fstr = { 0, NULL };
|
|
const char *err_msg = "";
|
|
|
|
if ( op->o_valuesreturnfilter != SLAP_NO_CONTROL ) {
|
|
rs->sr_text = "valuesReturnFilter control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( ctrl->ldctl_value.bv_len == 0 ) {
|
|
rs->sr_text = "valuesReturnFilter control value is empty (or absent)";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
ber = ber_init( &(ctrl->ldctl_value) );
|
|
if (ber == NULL) {
|
|
rs->sr_text = "internal error";
|
|
return LDAP_OTHER;
|
|
}
|
|
|
|
rs->sr_err = get_vrFilter( op, ber, &(op->o_vrFilter), &rs->sr_text);
|
|
|
|
if( rs->sr_err != LDAP_SUCCESS ) {
|
|
if( rs->sr_err == SLAPD_DISCONNECT ) {
|
|
rs->sr_err = LDAP_PROTOCOL_ERROR;
|
|
send_ldap_disconnect( op, rs );
|
|
rs->sr_err = SLAPD_DISCONNECT;
|
|
} else {
|
|
send_ldap_result( op, rs );
|
|
}
|
|
if( op->o_vrFilter != NULL) vrFilter_free( op, op->o_vrFilter );
|
|
|
|
}
|
|
#ifdef LDAP_DEBUG
|
|
else {
|
|
vrFilter2bv( op, op->o_vrFilter, &fstr );
|
|
}
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, ARGS,
|
|
"parseValuesReturnFilter: conn %d vrFilter: %s\n",
|
|
op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_ARGS, " vrFilter: %s\n",
|
|
fstr.bv_len ? fstr.bv_val : "empty", 0, 0 );
|
|
#endif
|
|
op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx );
|
|
#endif
|
|
|
|
op->o_valuesreturnfilter = ctrl->ldctl_iscritical
|
|
? SLAP_CRITICAL_CONTROL
|
|
: SLAP_NONCRITICAL_CONTROL;
|
|
|
|
rs->sr_err = LDAP_SUCCESS;
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
#ifdef LDAP_CONTROL_SUBENTRIES
|
|
static int parseSubentries (
|
|
Operation *op,
|
|
SlapReply *rs,
|
|
LDAPControl *ctrl )
|
|
{
|
|
if ( op->o_subentries != SLAP_NO_CONTROL ) {
|
|
rs->sr_text = "subentries control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
/* FIXME: should use BER library */
|
|
if( ( ctrl->ldctl_value.bv_len != 3 )
|
|
&& ( ctrl->ldctl_value.bv_val[0] != 0x01 )
|
|
&& ( ctrl->ldctl_value.bv_val[1] != 0x01 ))
|
|
{
|
|
rs->sr_text = "subentries control value encoding is bogus";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
op->o_subentries = ctrl->ldctl_iscritical
|
|
? SLAP_CRITICAL_CONTROL
|
|
: SLAP_NONCRITICAL_CONTROL;
|
|
|
|
op->o_subentries_visibility = (ctrl->ldctl_value.bv_val[2] != 0x00);
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
#endif
|
|
|
|
#ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
|
|
static int parsePermissiveModify (
|
|
Operation *op,
|
|
SlapReply *rs,
|
|
LDAPControl *ctrl )
|
|
{
|
|
if ( op->o_permissive_modify != SLAP_NO_CONTROL ) {
|
|
rs->sr_text = "permissiveModify control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( ctrl->ldctl_value.bv_len ) {
|
|
rs->sr_text = "permissiveModify control value not empty";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
op->o_permissive_modify = ctrl->ldctl_iscritical
|
|
? SLAP_CRITICAL_CONTROL
|
|
: SLAP_NONCRITICAL_CONTROL;
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
#endif
|
|
|
|
#ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
|
|
static int parseDomainScope (
|
|
Operation *op,
|
|
SlapReply *rs,
|
|
LDAPControl *ctrl )
|
|
{
|
|
if ( op->o_domain_scope != SLAP_NO_CONTROL ) {
|
|
rs->sr_text = "domainScope control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( ctrl->ldctl_value.bv_len ) {
|
|
rs->sr_text = "domainScope control value not empty";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
op->o_domain_scope = ctrl->ldctl_iscritical
|
|
? SLAP_CRITICAL_CONTROL
|
|
: SLAP_NONCRITICAL_CONTROL;
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
#endif
|
|
|
|
#ifdef LDAP_SYNC
|
|
static int parseLdupSync (
|
|
Operation *op,
|
|
SlapReply *rs,
|
|
LDAPControl *ctrl )
|
|
{
|
|
ber_tag_t tag;
|
|
BerElement *ber;
|
|
ber_int_t mode;
|
|
ber_len_t len;
|
|
struct berval cookie = { 0, NULL };
|
|
|
|
if ( op->o_sync != SLAP_NO_CONTROL ) {
|
|
rs->sr_text = "LDAP Sync control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( ctrl->ldctl_value.bv_len == 0 ) {
|
|
rs->sr_text = "LDAP Sync control value is empty (or absent)";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
/* Parse the control value
|
|
* syncRequestValue ::= SEQUENCE {
|
|
* mode ENUMERATED {
|
|
* -- 0 unused
|
|
* refreshOnly (1),
|
|
* -- 2 reserved
|
|
* refreshAndPersist (3)
|
|
* },
|
|
* cookie syncCookie OPTIONAL
|
|
* }
|
|
*/
|
|
|
|
ber = ber_init( &ctrl->ldctl_value );
|
|
if( ber == NULL ) {
|
|
rs->sr_text = "internal error";
|
|
return LDAP_OTHER;
|
|
}
|
|
|
|
if ( (tag = ber_scanf( ber, "{i" /*}*/, &mode )) == LBER_ERROR ) {
|
|
rs->sr_text = "LDAP Sync control : mode decoding error";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
switch( mode ) {
|
|
case LDAP_SYNC_REFRESH_ONLY:
|
|
mode = SLAP_SYNC_REFRESH;
|
|
break;
|
|
case LDAP_SYNC_REFRESH_AND_PERSIST:
|
|
mode = SLAP_SYNC_REFRESH_AND_PERSIST;
|
|
break;
|
|
default:
|
|
rs->sr_text = "LDAP Sync control : unknown update mode";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
tag = ber_peek_tag( ber, &len );
|
|
|
|
if ( tag == LDAP_SYNC_TAG_COOKIE ) {
|
|
if (( ber_scanf( ber, /*{*/ "m}",
|
|
&cookie )) == LBER_ERROR ) {
|
|
rs->sr_text = "LDAP Sync control : cookie decoding error";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
} else {
|
|
if (( ber_scanf( ber, /*{*/ "}")) == LBER_ERROR ) {
|
|
rs->sr_text = "LDAP Sync control : decoding error";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
cookie.bv_len = 0;
|
|
cookie.bv_val = NULL;
|
|
}
|
|
|
|
ber_dupbv( &op->o_sync_state, &cookie );
|
|
|
|
(void) ber_free( ber, 1 );
|
|
|
|
op->o_sync_mode = (char) mode;
|
|
|
|
op->o_sync = ctrl->ldctl_iscritical
|
|
? SLAP_CRITICAL_CONTROL
|
|
: SLAP_NONCRITICAL_CONTROL;
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
#endif
|