mirror of
https://git.openldap.org/openldap/openldap.git
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873 lines
20 KiB
C
873 lines
20 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright 1999-2002 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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#define SLAP_CTRL_FRONTEND 0x80000000U
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#define SLAP_CTRL_FRONTEND_SEARCH 0x01000000U /* for NOOP */
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#define SLAP_CTRL_OPFLAGS 0x0000FFFFU
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#define SLAP_CTRL_ABANDON 0x00000001U
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#define SLAP_CTRL_ADD 0x00002002U
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#define SLAP_CTRL_BIND 0x00000004U
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#define SLAP_CTRL_COMPARE 0x00001008U
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#define SLAP_CTRL_DELETE 0x00002010U
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#define SLAP_CTRL_MODIFY 0x00002020U
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#define SLAP_CTRL_RENAME 0x00002040U
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#define SLAP_CTRL_SEARCH 0x00001080U
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#define SLAP_CTRL_UNBIND 0x00000100U
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#define SLAP_CTRL_INTROGATE (SLAP_CTRL_COMPARE|SLAP_CTRL_SEARCH)
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#define SLAP_CTRL_UPDATE \
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(SLAP_CTRL_ADD|SLAP_CTRL_DELETE|SLAP_CTRL_MODIFY|SLAP_CTRL_RENAME)
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#define SLAP_CTRL_ACCESS (SLAP_CTRL_INTROGATE|SLAP_CTRL_UPDATE)
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typedef int (SLAP_CTRL_PARSE_FN) LDAP_P((
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Connection *conn,
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Operation *op,
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LDAPControl *ctrl,
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const char **text ));
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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 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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#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_CLIENT_UPDATE
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static SLAP_CTRL_PARSE_FN parseClientUpdate;
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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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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 {
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char *sc_oid;
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slap_mask_t sc_mask;
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char **sc_extendedops;
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SLAP_CTRL_PARSE_FN *sc_parse;
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} supportedControls[] = {
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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 },
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{ LDAP_CONTROL_MANAGEDSAIT,
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SLAP_CTRL_ACCESS, NULL,
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parseManageDSAit },
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{ LDAP_CONTROL_NOOP,
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SLAP_CTRL_ACCESS, NULL,
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parseNoOp },
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{ LDAP_CONTROL_PAGEDRESULTS,
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SLAP_CTRL_SEARCH, NULL,
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parsePagedResults },
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{ LDAP_CONTROL_VALUESRETURNFILTER,
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SLAP_CTRL_SEARCH, NULL,
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parseValuesReturnFilter },
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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 },
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#endif
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#ifdef LDAP_CLIENT_UPDATE
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{ LDAP_CONTROL_CLIENT_UPDATE,
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SLAP_CTRL_SEARCH, NULL,
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parseClientUpdate },
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#endif /* LDAP_CLIENT_UPDATE */
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{ NULL }
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};
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char *
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get_supported_ctrl(int index)
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{
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return supportedControls[index].sc_oid;
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}
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slap_mask_t
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get_supported_ctrl_mask(int index)
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{
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return supportedControls[index].sc_mask;
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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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int i;
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for( i=0; supportedControls[i].sc_oid; i++ ) {
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if( strcmp( oid, supportedControls[i].sc_oid ) == 0 ) {
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return &supportedControls[i];
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}
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}
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return NULL;
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}
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int get_ctrls(
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Connection *conn,
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Operation *op,
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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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int rc = LDAP_SUCCESS;
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const char *errmsg = NULL;
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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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rc = LDAP_SUCCESS;
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return rc;
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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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rc = SLAPD_DISCONNECT;
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errmsg = "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", conn->c_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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rc = SLAPD_DISCONNECT;
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errmsg = "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 = ch_malloc( 2 * sizeof(LDAPControl *) );
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#if 0
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if( op->ctrls == NULL ) {
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rc = LDAP_NO_MEMORY;
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errmsg = "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 = ch_calloc( 1, sizeof(LDAPControl) );
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#if 0
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if( c == NULL ) {
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ldap_controls_free(op->o_ctrls);
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op->o_ctrls = NULL;
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rc = LDAP_NO_MEMORY;
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errmsg = "no memory";
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goto return_results;
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}
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#endif
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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 = ch_realloc( op->o_ctrls,
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(nctrls+2) * sizeof(LDAPControl *));
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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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rc = LDAP_NO_MEMORY;
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errmsg = "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, "{a" /*}*/, &c->ldctl_oid );
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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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conn->c_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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ldap_controls_free( op->o_ctrls );
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op->o_ctrls = NULL;
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rc = SLAPD_DISCONNECT;
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errmsg = "decoding controls error";
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goto return_results;
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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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conn->c_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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conn->c_connid, 0, 0 );
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#endif
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ldap_controls_free( op->o_ctrls );
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op->o_ctrls = NULL;
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rc = LDAP_PROTOCOL_ERROR;
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errmsg = "OID field is empty";
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goto return_results;
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}
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tag = ber_peek_tag( ber, &len );
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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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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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conn->c_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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ldap_controls_free( op->o_ctrls );
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op->o_ctrls = NULL;
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rc = SLAPD_DISCONNECT;
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errmsg = "decoding controls error";
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goto return_results;
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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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if( tag == LBER_OCTETSTRING ) {
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tag = ber_scanf( ber, "o", &c->ldctl_value );
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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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conn->c_connid, c->ldctl_oid,
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c->ldctl_iscritical ? "" : "non" );
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#else
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Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: conn %lu: "
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"%s (%scritical): get value failed.\n",
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conn->c_connid, c->ldctl_oid,
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c->ldctl_iscritical ? "" : "non" );
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#endif
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ldap_controls_free( op->o_ctrls );
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op->o_ctrls = NULL;
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rc = SLAPD_DISCONNECT;
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errmsg = "decoding controls error";
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goto return_results;
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}
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}
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, INFO,
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"get_ctrls: conn %lu oid=\"%s\" (%scritical)\n",
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conn->c_connid, c->ldctl_oid, c->ldctl_iscritical ? "" : "non" );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"=> get_ctrls: oid=\"%s\" (%scritical)\n",
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c->ldctl_oid, c->ldctl_iscritical ? "" : "non", 0 );
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#endif
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sc = find_ctrl( c->ldctl_oid );
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if( sc != NULL ) {
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/* recognized control */
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slap_mask_t tagmask;
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switch( op->o_tag ) {
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case LDAP_REQ_ADD:
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tagmask = SLAP_CTRL_ADD;
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break;
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case LDAP_REQ_BIND:
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tagmask = SLAP_CTRL_BIND;
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break;
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case LDAP_REQ_COMPARE:
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tagmask = SLAP_CTRL_COMPARE;
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break;
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case LDAP_REQ_DELETE:
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tagmask = SLAP_CTRL_DELETE;
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break;
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case LDAP_REQ_MODIFY:
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tagmask = SLAP_CTRL_MODIFY;
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break;
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case LDAP_REQ_RENAME:
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tagmask = SLAP_CTRL_RENAME;
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break;
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case LDAP_REQ_SEARCH:
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tagmask = SLAP_CTRL_SEARCH;
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break;
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case LDAP_REQ_UNBIND:
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tagmask = SLAP_CTRL_UNBIND;
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break;
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case LDAP_REQ_ABANDON:
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tagmask = SLAP_CTRL_ABANDON;
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break;
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case LDAP_REQ_EXTENDED:
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tagmask=~0L;
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assert( op->o_extendedop != NULL );
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if( sc->sc_extendedops != NULL ) {
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int i;
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for( i=0; sc->sc_extendedops[i] != NULL; i++ ) {
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if( strcmp( op->o_extendedop, sc->sc_extendedops[i] )
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== 0 )
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{
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tagmask=0L;
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break;
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}
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}
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}
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break;
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default:
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rc = LDAP_OTHER;
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errmsg = "controls internal error";
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goto return_results;
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}
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if (( sc->sc_mask & tagmask ) == tagmask ) {
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/* available extension */
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if( !sc->sc_parse ) {
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rc = LDAP_OTHER;
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errmsg = "not yet implemented";
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goto return_results;
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}
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rc = sc->sc_parse( conn, op, c, &errmsg );
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if( rc != LDAP_SUCCESS ) goto return_results;
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if ( sc->sc_mask & SLAP_CTRL_FRONTEND ) {
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/* kludge to disable backend_control() check */
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c->ldctl_iscritical = 0;
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} else if ( tagmask == SLAP_CTRL_SEARCH &&
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sc->sc_mask & SLAP_CTRL_FRONTEND_SEARCH )
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{
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/* kludge to disable backend_control() check */
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c->ldctl_iscritical = 0;
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}
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} else if( c->ldctl_iscritical ) {
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/* unavailable CRITICAL control */
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rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
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errmsg = "critical extension is unavailable";
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goto return_results;
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}
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} else if( c->ldctl_iscritical ) {
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/* unrecognized CRITICAL control */
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rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
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errmsg = "critical extension is not recognized";
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goto return_results;
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}
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}
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return_results:
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, RESULTS,
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"get_ctrls: n=%d rc=%d err=\"%s\"\n",
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nctrls, rc, errmsg ? errmsg : "" );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"<= get_ctrls: n=%d rc=%d err=\"%s\"\n",
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nctrls, rc, errmsg ? errmsg : "");
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#endif
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if( sendres && rc != LDAP_SUCCESS ) {
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if( rc == SLAPD_DISCONNECT ) {
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send_ldap_disconnect( conn, op, LDAP_PROTOCOL_ERROR, errmsg );
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} else {
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send_ldap_result( conn, op, rc,
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NULL, errmsg, NULL, NULL );
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}
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}
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return rc;
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}
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static int parseManageDSAit (
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Connection *conn,
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Operation *op,
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LDAPControl *ctrl,
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const char **text )
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{
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if ( op->o_managedsait != SLAP_NO_CONTROL ) {
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*text = "manageDSAit control specified multiple times";
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return LDAP_PROTOCOL_ERROR;
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}
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if ( ctrl->ldctl_value.bv_len ) {
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*text = "manageDSAit control value not empty";
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return LDAP_PROTOCOL_ERROR;
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}
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op->o_managedsait = ctrl->ldctl_iscritical
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? SLAP_CRITICAL_CONTROL
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: SLAP_NONCRITICAL_CONTROL;
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return LDAP_SUCCESS;
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}
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static int parseProxyAuthz (
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Connection *conn,
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Operation *op,
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LDAPControl *ctrl,
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const char **text )
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{
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int rc;
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struct berval dn;
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if ( op->o_proxy_authz != SLAP_NO_CONTROL ) {
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*text = "proxy authorization control specified multiple times";
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return LDAP_PROTOCOL_ERROR;
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}
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op->o_proxy_authz = ctrl->ldctl_iscritical
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? SLAP_CRITICAL_CONTROL
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: SLAP_NONCRITICAL_CONTROL;
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, ARGS,
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"parseProxyAuthz: conn %d authzid=\"%s\"\n",
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conn->c_connid,
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ctrl->ldctl_value.bv_len ? ctrl->ldctl_value.bv_val : "anonymous",
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0 );
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#else
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Debug( LDAP_DEBUG_ARGS,
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"parseProxyAuthz: conn %d authzid=\"%s\"\n",
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conn->c_connid,
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ctrl->ldctl_value.bv_len ? ctrl->ldctl_value.bv_val : "anonymous",
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0 );
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#endif
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if( ctrl->ldctl_value.bv_len == 0 ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, RESULTS,
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"parseProxyAuthz: conn=%d anonymous\n",
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conn->c_connid, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"parseProxyAuthz: conn=%d anonymous\n",
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conn->c_connid, 0, 0 );
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#endif
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/* anonymous */
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free( op->o_dn.bv_val );
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op->o_dn.bv_len = 0;
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op->o_dn.bv_val = ch_strdup( "" );
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free( op->o_ndn.bv_val );
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op->o_ndn.bv_len = 0;
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op->o_ndn.bv_val = ch_strdup( "" );
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return LDAP_SUCCESS;
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}
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rc = slap_sasl_getdn( conn,
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ctrl->ldctl_value.bv_val, ctrl->ldctl_value.bv_len,
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NULL, &dn, SLAP_GETDN_AUTHZID );
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|
|
if( rc != LDAP_SUCCESS || !dn.bv_len ) {
|
|
*text = "authzId mapping failed";
|
|
return LDAP_PROXY_AUTHZ_FAILURE;
|
|
}
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, RESULTS,
|
|
"parseProxyAuthz: conn=%d \"%s\"\n",
|
|
conn->c_connid,
|
|
dn.bv_len ? dn.bv_val : "(NULL)", 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"parseProxyAuthz: conn=%d \"%s\"\n",
|
|
conn->c_connid,
|
|
dn.bv_len ? dn.bv_val : "(NULL)", 0 );
|
|
#endif
|
|
|
|
rc = slap_sasl_authorized( conn, &op->o_ndn, &dn );
|
|
|
|
if( rc ) {
|
|
ch_free( dn.bv_val );
|
|
*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;
|
|
ber_dupbv( &op->o_dn, &dn );
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
static int parseNoOp (
|
|
Connection *conn,
|
|
Operation *op,
|
|
LDAPControl *ctrl,
|
|
const char **text )
|
|
{
|
|
if ( op->o_noop != SLAP_NO_CONTROL ) {
|
|
*text = "noop control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( ctrl->ldctl_value.bv_len ) {
|
|
*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;
|
|
}
|
|
|
|
static int parsePagedResults (
|
|
Connection *conn,
|
|
Operation *op,
|
|
LDAPControl *ctrl,
|
|
const char **text )
|
|
{
|
|
ber_tag_t tag;
|
|
ber_int_t size;
|
|
BerElement *ber;
|
|
struct berval cookie = { 0, NULL };
|
|
|
|
if ( op->o_pagedresults != SLAP_NO_CONTROL ) {
|
|
*text = "paged results control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( ctrl->ldctl_value.bv_len == 0 ) {
|
|
*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 ) {
|
|
*text = "internal error";
|
|
return LDAP_OTHER;
|
|
}
|
|
|
|
tag = ber_scanf( ber, "{im}", &size, &cookie );
|
|
(void) ber_free( ber, 1 );
|
|
|
|
if( tag == LBER_ERROR ) {
|
|
*text = "paged results control could not be decoded";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if( size < 0 ) {
|
|
*text = "paged results control size invalid";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if( cookie.bv_len ) {
|
|
PagedResultsCookie reqcookie;
|
|
if( cookie.bv_len != sizeof( reqcookie ) ) {
|
|
/* bad cookie */
|
|
*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 */
|
|
*text = "paged results cookie is invalid";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
|
|
} else if( reqcookie < op->o_pagedresults_state.ps_cookie ) {
|
|
*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;
|
|
}
|
|
|
|
int parseValuesReturnFilter (
|
|
Connection *conn,
|
|
Operation *op,
|
|
LDAPControl *ctrl,
|
|
const char **text )
|
|
{
|
|
int rc;
|
|
BerElement *ber;
|
|
struct berval fstr = { 0, NULL };
|
|
const char *err_msg = "";
|
|
|
|
if ( op->o_valuesreturnfilter != SLAP_NO_CONTROL ) {
|
|
*text = "valuesReturnFilter control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( ctrl->ldctl_value.bv_len == 0 ) {
|
|
*text = "valuesReturnFilter control value is empty (or absent)";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
ber = ber_init( &(ctrl->ldctl_value) );
|
|
if (ber == NULL) {
|
|
*text = "internal error";
|
|
return LDAP_OTHER;
|
|
}
|
|
|
|
rc = get_vrFilter( conn, ber, &(op->vrFilter), &err_msg);
|
|
|
|
if( rc != LDAP_SUCCESS ) {
|
|
text = &err_msg;
|
|
if( rc == SLAPD_DISCONNECT ) {
|
|
send_ldap_disconnect( conn, op,
|
|
LDAP_PROTOCOL_ERROR, *text );
|
|
} else {
|
|
send_ldap_result( conn, op, rc,
|
|
NULL, *text, NULL, NULL );
|
|
}
|
|
if( fstr.bv_val != NULL) free( fstr.bv_val );
|
|
if( op->vrFilter != NULL) vrFilter_free( op->vrFilter );
|
|
|
|
} else {
|
|
vrFilter2bv( op->vrFilter, &fstr );
|
|
}
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, ARGS,
|
|
"parseValuesReturnFilter: conn %d vrFilter: %s\n",
|
|
conn->c_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_valuesreturnfilter = ctrl->ldctl_iscritical
|
|
? SLAP_CRITICAL_CONTROL
|
|
: SLAP_NONCRITICAL_CONTROL;
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
#ifdef LDAP_CONTROL_SUBENTRIES
|
|
static int parseSubentries (
|
|
Connection *conn,
|
|
Operation *op,
|
|
LDAPControl *ctrl,
|
|
const char **text )
|
|
{
|
|
if ( op->o_subentries != SLAP_NO_CONTROL ) {
|
|
*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 ))
|
|
{
|
|
*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_CLIENT_UPDATE
|
|
static int parseClientUpdate (
|
|
Connection *conn,
|
|
Operation *op,
|
|
LDAPControl *ctrl,
|
|
const char **text )
|
|
{
|
|
ber_tag_t tag;
|
|
BerElement *ber;
|
|
ber_int_t type;
|
|
ber_int_t interval;
|
|
ber_len_t len;
|
|
struct berval scheme = { 0, NULL };
|
|
struct berval cookie = { 0, NULL };
|
|
|
|
if ( op->o_clientupdate != SLAP_NO_CONTROL ) {
|
|
*text = "LCUP client update control specified multiple times";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( ctrl->ldctl_value.bv_len == 0 ) {
|
|
*text = "LCUP client update control value is empty (or absent)";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
/* Parse the control value
|
|
* ClientUpdateControlValue ::= SEQUENCE {
|
|
* updateType ENUMERATED {
|
|
* synchronizeOnly {0},
|
|
* synchronizeAndPersist {1},
|
|
* persistOnly {2} },
|
|
* sendCookieInterval INTEGER OPTIONAL,
|
|
* cookie LCUPCookie OPTIONAL
|
|
* }
|
|
*/
|
|
|
|
ber = ber_init( &ctrl->ldctl_value );
|
|
if( ber == NULL ) {
|
|
*text = "internal error";
|
|
return LDAP_OTHER;
|
|
}
|
|
|
|
if ( (tag = ber_scanf( ber, "{i" /*}*/, &type )) == LBER_ERROR ) {
|
|
*text = "LCUP client update control : decoding error";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
switch( type ) {
|
|
case LDAP_CUP_SYNC_ONLY:
|
|
type = SLAP_LCUP_SYNC;
|
|
break;
|
|
case LDAP_CUP_SYNC_AND_PERSIST:
|
|
type = SLAP_LCUP_SYNC_AND_PERSIST;
|
|
break;
|
|
case LDAP_CUP_PERSIST_ONLY:
|
|
type = SLAP_LCUP_PERSIST;
|
|
break;
|
|
default:
|
|
*text = "LCUP client update control : unknown update type";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( (tag = ber_peek_tag( ber, &len )) == LBER_DEFAULT ) {
|
|
*text = "LCUP client update control : decoding error";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( tag == LDAP_TAG_INTERVAL ) {
|
|
if ( (tag = ber_scanf( ber, "i", &interval )) == LBER_ERROR ) {
|
|
*text = "LCUP client update control : decoding error";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( interval <= 0 ) {
|
|
/* server chooses interval */
|
|
interval = LDAP_CUP_DEFAULT_SEND_COOKIE_INTERVAL;
|
|
}
|
|
|
|
} else {
|
|
/* server chooses interval */
|
|
interval = LDAP_CUP_DEFAULT_SEND_COOKIE_INTERVAL;
|
|
}
|
|
|
|
if ( (tag = ber_peek_tag( ber, &len )) == LBER_DEFAULT ) {
|
|
*text = "LCUP client update control : decoding error";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
if ( tag == LDAP_TAG_COOKIE ) {
|
|
if ( (tag = ber_scanf( ber, /*{*/ "{mm}}",
|
|
&scheme, &cookie )) == LBER_ERROR ) {
|
|
*text = "LCUP client update control : decoding error";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
}
|
|
|
|
/* TODO : Cookie Scheme Validation */
|
|
#if 0
|
|
if ( lcup_cookie_scheme_validate(scheme) != LDAP_SUCCESS ) {
|
|
*text = "Unsupported LCUP cookie scheme";
|
|
return LCUP_UNSUPPORTED_SCHEME;
|
|
}
|
|
|
|
if ( lcup_cookie_validate(scheme, cookie) != LDAP_SUCCESS ) {
|
|
*text = "Invalid LCUP cookie";
|
|
return LCUP_INVALID_COOKIE;
|
|
}
|
|
#endif
|
|
|
|
ber_dupbv( &op->o_clientupdate_state, &cookie );
|
|
|
|
(void) ber_free( ber, 1 );
|
|
|
|
op->o_clientupdate_type = (char) type;
|
|
op->o_clientupdate_interval = interval;
|
|
|
|
op->o_clientupdate = ctrl->ldctl_iscritical
|
|
? SLAP_CRITICAL_CONTROL
|
|
: SLAP_NONCRITICAL_CONTROL;
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
#endif /* LDAP_CLIENT_UPDATE */
|