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-rw-r--r--servers/slapd/controls.c2228
1 files changed, 2228 insertions, 0 deletions
diff --git a/servers/slapd/controls.c b/servers/slapd/controls.c
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index 0000000..940ca3d
--- /dev/null
+++ b/servers/slapd/controls.c
@@ -0,0 +1,2228 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2022 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/string.h>
+#include <ac/socket.h>
+
+#include "slap.h"
+#include "ldif.h"
+#include "lutil.h"
+
+#include "../../libraries/liblber/lber-int.h"
+
+static SLAP_CTRL_PARSE_FN parseAssert;
+static SLAP_CTRL_PARSE_FN parseDomainScope;
+static SLAP_CTRL_PARSE_FN parseDontUseCopy;
+static SLAP_CTRL_PARSE_FN parseManageDSAit;
+static SLAP_CTRL_PARSE_FN parseNoOp;
+static SLAP_CTRL_PARSE_FN parsePagedResults;
+static SLAP_CTRL_PARSE_FN parsePermissiveModify;
+static SLAP_CTRL_PARSE_FN parsePreRead, parsePostRead;
+static SLAP_CTRL_PARSE_FN parseProxyAuthz;
+static SLAP_CTRL_PARSE_FN parseRelax;
+static SLAP_CTRL_PARSE_FN parseSearchOptions;
+#ifdef SLAP_CONTROL_X_SORTEDRESULTS
+static SLAP_CTRL_PARSE_FN parseSortedResults;
+#endif
+static SLAP_CTRL_PARSE_FN parseSubentries;
+#ifdef SLAP_CONTROL_X_TREE_DELETE
+static SLAP_CTRL_PARSE_FN parseTreeDelete;
+#endif
+static SLAP_CTRL_PARSE_FN parseValuesReturnFilter;
+#ifdef SLAP_CONTROL_X_SESSION_TRACKING
+static SLAP_CTRL_PARSE_FN parseSessionTracking;
+#endif
+#ifdef SLAP_CONTROL_X_WHATFAILED
+static SLAP_CTRL_PARSE_FN parseWhatFailed;
+#endif
+#ifdef SLAP_CONTROL_X_LAZY_COMMIT
+static SLAP_CTRL_PARSE_FN parseLazyCommit;
+#endif
+
+#undef sc_mask /* avoid conflict with Irix 6.5 <sys/signal.h> */
+
+const struct berval slap_pre_read_bv = BER_BVC(LDAP_CONTROL_PRE_READ);
+const struct berval slap_post_read_bv = BER_BVC(LDAP_CONTROL_POST_READ);
+
+struct slap_control_ids slap_cids;
+
+struct slap_control {
+ /* Control OID */
+ char *sc_oid;
+
+ /* The controlID for this control */
+ int sc_cid;
+
+ /* Operations supported by control */
+ slap_mask_t sc_mask;
+
+ /* Extended operations supported by control */
+ char **sc_extendedops; /* input */
+ BerVarray sc_extendedopsbv; /* run-time use */
+
+ /* Control parsing callback */
+ SLAP_CTRL_PARSE_FN *sc_parse;
+
+ LDAP_SLIST_ENTRY(slap_control) sc_next;
+};
+
+static LDAP_SLIST_HEAD(ControlsList, slap_control) controls_list
+ = LDAP_SLIST_HEAD_INITIALIZER(&controls_list);
+
+/*
+ * all known request control OIDs should be added to this list
+ */
+/*
+ * NOTE: initialize num_known_controls to 1 so that cid = 0 always
+ * addresses an undefined control; this allows to safely test for
+ * well known controls even if they are not registered, e.g. if
+ * they get moved to modules. An example is sc_LDAPsync, which
+ * is implemented in the syncprov overlay and thus, if configured
+ * as dynamic module, may not be registered. One side effect is that
+ * slap_known_controls[0] == NULL, so it should always be used
+ * starting from 1.
+ * FIXME: should we define the "undefined control" oid?
+ */
+char *slap_known_controls[SLAP_MAX_CIDS+1];
+static int num_known_controls = 1;
+
+static char *proxy_authz_extops[] = {
+ LDAP_EXOP_MODIFY_PASSWD,
+ LDAP_EXOP_WHO_AM_I,
+ LDAP_EXOP_REFRESH,
+ NULL
+};
+
+static char *manageDSAit_extops[] = {
+ LDAP_EXOP_REFRESH,
+ NULL
+};
+
+#ifdef SLAP_CONTROL_X_SESSION_TRACKING
+static char *session_tracking_extops[] = {
+ LDAP_EXOP_MODIFY_PASSWD,
+ LDAP_EXOP_WHO_AM_I,
+ LDAP_EXOP_REFRESH,
+ NULL
+};
+#endif
+
+static struct slap_control control_defs[] = {
+ { LDAP_CONTROL_ASSERT,
+ (int)offsetof(struct slap_control_ids, sc_assert),
+ SLAP_CTRL_UPDATE|SLAP_CTRL_COMPARE|SLAP_CTRL_SEARCH,
+ NULL, NULL,
+ parseAssert, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+ { LDAP_CONTROL_PRE_READ,
+ (int)offsetof(struct slap_control_ids, sc_preRead),
+ SLAP_CTRL_DELETE|SLAP_CTRL_MODIFY|SLAP_CTRL_RENAME,
+ NULL, NULL,
+ parsePreRead, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+ { LDAP_CONTROL_POST_READ,
+ (int)offsetof(struct slap_control_ids, sc_postRead),
+ SLAP_CTRL_ADD|SLAP_CTRL_MODIFY|SLAP_CTRL_RENAME,
+ NULL, NULL,
+ parsePostRead, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+ { LDAP_CONTROL_VALUESRETURNFILTER,
+ (int)offsetof(struct slap_control_ids, sc_valuesReturnFilter),
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH,
+ NULL, NULL,
+ parseValuesReturnFilter, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+ { LDAP_CONTROL_PAGEDRESULTS,
+ (int)offsetof(struct slap_control_ids, sc_pagedResults),
+ SLAP_CTRL_SEARCH,
+ NULL, NULL,
+ parsePagedResults, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+#ifdef SLAP_CONTROL_X_SORTEDRESULTS
+ { LDAP_CONTROL_SORTREQUEST,
+ (int)offsetof(struct slap_control_ids, sc_sortedResults),
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH|SLAP_CTRL_HIDE,
+ NULL, NULL,
+ parseSortedResults, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+#endif
+ { LDAP_CONTROL_X_DOMAIN_SCOPE,
+ (int)offsetof(struct slap_control_ids, sc_domainScope),
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH|SLAP_CTRL_HIDE,
+ NULL, NULL,
+ parseDomainScope, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+ { LDAP_CONTROL_DONTUSECOPY,
+ (int)offsetof(struct slap_control_ids, sc_dontUseCopy),
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_INTROGATE,
+ NULL, NULL,
+ parseDontUseCopy, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+ { LDAP_CONTROL_X_PERMISSIVE_MODIFY,
+ (int)offsetof(struct slap_control_ids, sc_permissiveModify),
+ SLAP_CTRL_MODIFY|SLAP_CTRL_HIDE,
+ NULL, NULL,
+ parsePermissiveModify, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+#ifdef SLAP_CONTROL_X_TREE_DELETE
+ { LDAP_CONTROL_X_TREE_DELETE,
+ (int)offsetof(struct slap_control_ids, sc_treeDelete),
+ SLAP_CTRL_DELETE|SLAP_CTRL_HIDE,
+ NULL, NULL,
+ parseTreeDelete, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+#endif
+ { LDAP_CONTROL_X_SEARCH_OPTIONS,
+ (int)offsetof(struct slap_control_ids, sc_searchOptions),
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH|SLAP_CTRL_HIDE,
+ NULL, NULL,
+ parseSearchOptions, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+ { LDAP_CONTROL_SUBENTRIES,
+ (int)offsetof(struct slap_control_ids, sc_subentries),
+ SLAP_CTRL_SEARCH,
+ NULL, NULL,
+ parseSubentries, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+ { LDAP_CONTROL_NOOP,
+ (int)offsetof(struct slap_control_ids, sc_noOp),
+ SLAP_CTRL_ACCESS|SLAP_CTRL_HIDE,
+ NULL, NULL,
+ parseNoOp, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+ { LDAP_CONTROL_RELAX,
+ (int)offsetof(struct slap_control_ids, sc_relax),
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_UPDATE|SLAP_CTRL_HIDE,
+ NULL, NULL,
+ parseRelax, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+ { LDAP_CONTROL_TXN_SPEC,
+ (int)offsetof(struct slap_control_ids, sc_txnSpec),
+ SLAP_CTRL_UPDATE|SLAP_CTRL_HIDE,
+ NULL, NULL,
+ txn_spec_ctrl, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+ { LDAP_CONTROL_MANAGEDSAIT,
+ (int)offsetof(struct slap_control_ids, sc_manageDSAit),
+ SLAP_CTRL_ACCESS,
+ manageDSAit_extops, NULL,
+ parseManageDSAit, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+ { LDAP_CONTROL_PROXY_AUTHZ,
+ (int)offsetof(struct slap_control_ids, sc_proxyAuthz),
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_ACCESS,
+ proxy_authz_extops, NULL,
+ parseProxyAuthz, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+#ifdef SLAP_CONTROL_X_SESSION_TRACKING
+ { LDAP_CONTROL_X_SESSION_TRACKING,
+ (int)offsetof(struct slap_control_ids, sc_sessionTracking),
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_ACCESS|SLAP_CTRL_BIND|SLAP_CTRL_HIDE,
+ session_tracking_extops, NULL,
+ parseSessionTracking, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+#endif
+#ifdef SLAP_CONTROL_X_WHATFAILED
+ { LDAP_CONTROL_X_WHATFAILED,
+ (int)offsetof(struct slap_control_ids, sc_whatFailed),
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_ACCESS|SLAP_CTRL_HIDE,
+ NULL, NULL,
+ parseWhatFailed, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+#endif
+#ifdef SLAP_CONTROL_X_LAZY_COMMIT
+ { LDAP_CONTROL_X_LAZY_COMMIT,
+ (int)offsetof(struct slap_control_ids, sc_lazyCommit),
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_ACCESS|SLAP_CTRL_HIDE,
+ NULL, NULL,
+ parseLazyCommit, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+#endif
+
+ { NULL, 0, 0, NULL, 0, NULL, LDAP_SLIST_ENTRY_INITIALIZER(next) }
+};
+
+static struct slap_control *
+find_ctrl( const char *oid );
+
+/*
+ * Register a supported control.
+ *
+ * This can be called by an OpenLDAP plugin or, indirectly, by a
+ * SLAPI plugin calling slapi_register_supported_control().
+ *
+ * NOTE: if flags == 1 the control is replaced if already registered;
+ * otherwise registering an already registered control is not allowed.
+ */
+int
+register_supported_control2(const char *controloid,
+ slap_mask_t controlmask,
+ char **controlexops,
+ SLAP_CTRL_PARSE_FN *controlparsefn,
+ unsigned flags,
+ int *controlcid)
+{
+ struct slap_control *sc = NULL;
+ int i;
+ BerVarray extendedopsbv = NULL;
+
+ if ( num_known_controls >= SLAP_MAX_CIDS ) {
+ Debug( LDAP_DEBUG_ANY, "Too many controls registered."
+ " Recompile slapd with SLAP_MAX_CIDS defined > %d\n",
+ num_known_controls );
+ return LDAP_OTHER;
+ }
+
+ if ( controloid == NULL ) {
+ return LDAP_PARAM_ERROR;
+ }
+
+ /* check if already registered */
+ for ( i = 0; slap_known_controls[ i ]; i++ ) {
+ if ( strcmp( controloid, slap_known_controls[ i ] ) == 0 ) {
+ if ( flags == 1 ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "Control %s already registered; replacing.\n",
+ controloid );
+ /* (find and) replace existing handler */
+ sc = find_ctrl( controloid );
+ assert( sc != NULL );
+ break;
+ }
+
+ Debug( LDAP_DEBUG_ANY,
+ "Control %s already registered.\n",
+ controloid );
+ return LDAP_PARAM_ERROR;
+ }
+ }
+
+ /* turn compatible extended operations into bervals */
+ if ( controlexops != NULL ) {
+ int i;
+
+ for ( i = 0; controlexops[ i ]; i++ );
+
+ extendedopsbv = ber_memcalloc( i + 1, sizeof( struct berval ) );
+ if ( extendedopsbv == NULL ) {
+ return LDAP_NO_MEMORY;
+ }
+
+ for ( i = 0; controlexops[ i ]; i++ ) {
+ ber_str2bv( controlexops[ i ], 0, 1, &extendedopsbv[ i ] );
+ }
+ }
+
+ if ( sc == NULL ) {
+ sc = (struct slap_control *)SLAP_MALLOC( sizeof( *sc ) );
+ if ( sc == NULL ) {
+ ber_bvarray_free( extendedopsbv );
+ return LDAP_NO_MEMORY;
+ }
+
+ sc->sc_oid = ch_strdup( controloid );
+ sc->sc_cid = num_known_controls;
+
+ /* Update slap_known_controls, too. */
+ slap_known_controls[num_known_controls - 1] = sc->sc_oid;
+ slap_known_controls[num_known_controls++] = NULL;
+
+ LDAP_SLIST_NEXT( sc, sc_next ) = NULL;
+ LDAP_SLIST_INSERT_HEAD( &controls_list, sc, sc_next );
+
+ } else {
+ if ( sc->sc_extendedopsbv ) {
+ ber_bvarray_free( sc->sc_extendedopsbv );
+ sc->sc_extendedopsbv = NULL;
+ sc->sc_extendedops = NULL;
+ }
+ }
+
+ sc->sc_extendedopsbv = extendedopsbv;
+ sc->sc_mask = controlmask;
+ sc->sc_parse = controlparsefn;
+ if ( controlcid ) {
+ *controlcid = sc->sc_cid;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+#ifdef SLAP_CONFIG_DELETE
+int
+unregister_supported_control( const char *controloid )
+{
+ struct slap_control *sc;
+ int i;
+
+ if ( controloid == NULL || (sc = find_ctrl( controloid )) == NULL ){
+ return -1;
+ }
+
+ for ( i = 0; slap_known_controls[ i ]; i++ ) {
+ if ( strcmp( controloid, slap_known_controls[ i ] ) == 0 ) {
+ do {
+ slap_known_controls[ i ] = slap_known_controls[ i+1 ];
+ } while ( slap_known_controls[ i++ ] );
+ num_known_controls--;
+ break;
+ }
+ }
+
+ LDAP_SLIST_REMOVE(&controls_list, sc, slap_control, sc_next);
+ ch_free( sc->sc_oid );
+ if ( sc->sc_extendedopsbv != NULL ) {
+ ber_bvarray_free( sc->sc_extendedopsbv );
+ }
+ ch_free( sc );
+
+ return 0;
+}
+#endif /* SLAP_CONFIG_DELETE */
+
+int
+register_control_exop( const char *controloid, char *exopoid )
+{
+ struct slap_control *sc = NULL;
+ BerVarray extendedopsbv;
+ char **extendedops;
+ int i;
+
+ if ( controloid == NULL || exopoid == NULL ) {
+ return LDAP_PARAM_ERROR;
+ }
+
+ for ( i = 0; slap_known_controls[ i ]; i++ ) {
+ if ( strcmp( controloid, slap_known_controls[ i ] ) == 0 ) {
+ sc = find_ctrl( controloid );
+ assert( sc != NULL );
+ break;
+ }
+ }
+
+ if ( !sc ) {
+ Debug( LDAP_DEBUG_ANY, "register_control_exop: "
+ "Control %s not registered.\n",
+ controloid );
+ return LDAP_PARAM_ERROR;
+ }
+
+ for ( i = 0; sc->sc_extendedopsbv && !BER_BVISNULL( &sc->sc_extendedopsbv[ i ] ); i++ ) {
+ if ( strcmp( exopoid, sc->sc_extendedopsbv[ i ].bv_val ) == 0 ) {
+ return LDAP_SUCCESS;
+ }
+ }
+
+ extendedopsbv = ber_memrealloc( sc->sc_extendedopsbv, (i + 2) * sizeof( struct berval ) );
+ if ( extendedopsbv == NULL ) {
+ return LDAP_NO_MEMORY;
+ }
+ sc->sc_extendedopsbv = extendedopsbv;
+
+ ber_str2bv( exopoid, 0, 1, &extendedopsbv[ i ] );
+ BER_BVZERO( &extendedopsbv[ i+1 ] );
+
+ return LDAP_SUCCESS;
+}
+
+/*
+ * One-time initialization of internal controls.
+ */
+int
+slap_controls_init( void )
+{
+ int i, rc;
+
+ rc = LDAP_SUCCESS;
+
+ for ( i = 0; control_defs[i].sc_oid != NULL; i++ ) {
+ int *cid = (int *)(((char *)&slap_cids) + control_defs[i].sc_cid );
+ rc = register_supported_control( control_defs[i].sc_oid,
+ control_defs[i].sc_mask, control_defs[i].sc_extendedops,
+ control_defs[i].sc_parse, cid );
+ if ( rc != LDAP_SUCCESS ) break;
+ }
+
+ return rc;
+}
+
+/*
+ * Free memory associated with list of supported controls.
+ */
+void
+controls_destroy( void )
+{
+ struct slap_control *sc;
+
+ while ( !LDAP_SLIST_EMPTY(&controls_list) ) {
+ sc = LDAP_SLIST_FIRST(&controls_list);
+ LDAP_SLIST_REMOVE_HEAD(&controls_list, sc_next);
+
+ ch_free( sc->sc_oid );
+ if ( sc->sc_extendedopsbv != NULL ) {
+ ber_bvarray_free( sc->sc_extendedopsbv );
+ }
+ ch_free( sc );
+ }
+}
+
+/*
+ * Format the supportedControl attribute of the root DSE,
+ * detailing which controls are supported by the directory
+ * server.
+ */
+int
+controls_root_dse_info( Entry *e )
+{
+ AttributeDescription *ad_supportedControl
+ = slap_schema.si_ad_supportedControl;
+ struct berval vals[2];
+ struct slap_control *sc;
+
+ vals[1].bv_val = NULL;
+ vals[1].bv_len = 0;
+
+ LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
+ if( sc->sc_mask & SLAP_CTRL_HIDE ) continue;
+
+ vals[0].bv_val = sc->sc_oid;
+ vals[0].bv_len = strlen( sc->sc_oid );
+
+ if ( attr_merge( e, ad_supportedControl, vals, NULL ) ) {
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Return a list of OIDs and operation masks for supported
+ * controls. Used by SLAPI.
+ */
+int
+get_supported_controls(char ***ctrloidsp,
+ slap_mask_t **ctrlmasks)
+{
+ int n;
+ char **oids;
+ slap_mask_t *masks;
+ struct slap_control *sc;
+
+ n = 0;
+
+ LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
+ n++;
+ }
+
+ if ( n == 0 ) {
+ *ctrloidsp = NULL;
+ *ctrlmasks = NULL;
+ return LDAP_SUCCESS;
+ }
+
+ oids = (char **)SLAP_MALLOC( (n + 1) * sizeof(char *) );
+ if ( oids == NULL ) {
+ return LDAP_NO_MEMORY;
+ }
+ masks = (slap_mask_t *)SLAP_MALLOC( (n + 1) * sizeof(slap_mask_t) );
+ if ( masks == NULL ) {
+ SLAP_FREE( oids );
+ return LDAP_NO_MEMORY;
+ }
+
+ n = 0;
+
+ LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
+ oids[n] = ch_strdup( sc->sc_oid );
+ masks[n] = sc->sc_mask;
+ n++;
+ }
+ oids[n] = NULL;
+ masks[n] = 0;
+
+ *ctrloidsp = oids;
+ *ctrlmasks = masks;
+
+ return LDAP_SUCCESS;
+}
+
+/*
+ * Find a control given its OID.
+ */
+static struct slap_control *
+find_ctrl( const char *oid )
+{
+ struct slap_control *sc;
+
+ LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
+ if ( strcmp( oid, sc->sc_oid ) == 0 ) {
+ return sc;
+ }
+ }
+
+ return NULL;
+}
+
+int
+slap_find_control_id(
+ const char *oid,
+ int *cid )
+{
+ struct slap_control *ctrl = find_ctrl( oid );
+ if ( ctrl ) {
+ if ( cid ) *cid = ctrl->sc_cid;
+ return LDAP_SUCCESS;
+ }
+ return LDAP_CONTROL_NOT_FOUND;
+}
+
+int
+slap_global_control( Operation *op, const char *oid, int *cid )
+{
+ struct slap_control *ctrl = find_ctrl( oid );
+
+ if ( ctrl == NULL ) {
+ /* should not be reachable */
+ Debug( LDAP_DEBUG_ANY,
+ "slap_global_control: unrecognized control: %s\n",
+ oid );
+ return LDAP_CONTROL_NOT_FOUND;
+ }
+
+ if ( cid ) *cid = ctrl->sc_cid;
+
+ if ( ( ctrl->sc_mask & SLAP_CTRL_GLOBAL ) ||
+ ( ( op->o_tag & LDAP_REQ_SEARCH ) &&
+ ( ctrl->sc_mask & SLAP_CTRL_GLOBAL_SEARCH ) ) )
+ {
+ return LDAP_COMPARE_TRUE;
+ }
+
+#if 0
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_global_control: unavailable control: %s\n",
+ oid );
+#endif
+
+ return LDAP_COMPARE_FALSE;
+}
+
+void slap_free_ctrls(
+ Operation *op,
+ LDAPControl **ctrls )
+{
+ int i;
+
+ if( ctrls == op->o_ctrls ) {
+ if( op->o_assertion != NULL ) {
+ filter_free_x( op, op->o_assertion, 1 );
+ op->o_assertion = NULL;
+ }
+ if( op->o_vrFilter != NULL) {
+ vrFilter_free( op, op->o_vrFilter );
+ op->o_vrFilter = NULL;
+ }
+ if( op->o_preread_attrs != NULL ) {
+ op->o_tmpfree( op->o_preread_attrs, op->o_tmpmemctx );
+ op->o_preread_attrs = NULL;
+ }
+ if( op->o_postread_attrs != NULL ) {
+ op->o_tmpfree( op->o_postread_attrs, op->o_tmpmemctx );
+ op->o_postread_attrs = NULL;
+ }
+ if( op->o_pagedresults_state != NULL ) {
+ op->o_tmpfree( op->o_pagedresults_state, op->o_tmpmemctx );
+ op->o_pagedresults_state = NULL;
+ }
+ }
+
+ for (i=0; ctrls[i]; i++) {
+ op->o_tmpfree(ctrls[i], op->o_tmpmemctx );
+ }
+ op->o_tmpfree( ctrls, op->o_tmpmemctx );
+}
+
+int slap_add_ctrls(
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl **ctrls )
+{
+ int i = 0, j;
+ LDAPControl **ctrlsp;
+
+ if ( rs->sr_ctrls ) {
+ for ( ; rs->sr_ctrls[ i ]; i++ ) ;
+ }
+
+ for ( j=0; ctrls[j]; j++ ) ;
+
+ ctrlsp = op->o_tmpalloc(( i+j+1 )*sizeof(LDAPControl *), op->o_tmpmemctx );
+ i = 0;
+ if ( rs->sr_ctrls ) {
+ for ( ; rs->sr_ctrls[i]; i++ )
+ ctrlsp[i] = rs->sr_ctrls[i];
+ }
+ for ( j=0; ctrls[j]; j++)
+ ctrlsp[i++] = ctrls[j];
+ ctrlsp[i] = NULL;
+
+ if ( rs->sr_flags & REP_CTRLS_MUSTBEFREED )
+ op->o_tmpfree( rs->sr_ctrls, op->o_tmpmemctx );
+ rs->sr_ctrls = ctrlsp;
+ rs->sr_flags |= REP_CTRLS_MUSTBEFREED;
+ return i;
+}
+
+int slap_parse_ctrl(
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *control,
+ const char **text )
+{
+ struct slap_control *sc;
+ int rc = LDAP_SUCCESS;
+
+ sc = find_ctrl( control->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_extendedopsbv != NULL ) {
+ int i;
+ for( i=0; !BER_BVISNULL( &sc->sc_extendedopsbv[i] ); i++ ) {
+ if( bvmatch( &op->ore_reqoid,
+ &sc->sc_extendedopsbv[i] ) )
+ {
+ tagmask=0L;
+ break;
+ }
+ }
+ }
+ break;
+ default:
+ *text = "controls internal error";
+ return LDAP_OTHER;
+ }
+
+ if (( sc->sc_mask & tagmask ) == tagmask ) {
+ /* available extension */
+ if ( sc->sc_parse ) {
+ rc = sc->sc_parse( op, rs, control );
+ assert( rc != LDAP_UNAVAILABLE_CRITICAL_EXTENSION );
+
+ } else if ( control->ldctl_iscritical ) {
+ *text = "not yet implemented";
+ rc = LDAP_OTHER;
+ }
+
+
+ } else if ( control->ldctl_iscritical ) {
+ /* unavailable CRITICAL control */
+ *text = "critical extension is unavailable";
+ rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
+ }
+
+ } else if ( control->ldctl_iscritical ) {
+ /* unrecognized CRITICAL control */
+ *text = "critical extension is not recognized";
+ rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
+ }
+
+ return rc;
+}
+
+int
+get_ctrls(
+ Operation *op,
+ SlapReply *rs,
+ int sendres )
+{
+ return get_ctrls2( op, rs, sendres, LDAP_TAG_CONTROLS );
+}
+
+int
+get_ctrls2(
+ Operation *op,
+ SlapReply *rs,
+ int sendres,
+ ber_tag_t ctag )
+{
+ int nctrls = 0;
+ ber_tag_t tag;
+ ber_len_t len;
+ char *opaque;
+ BerElement *ber = op->o_ber;
+ struct berval bv;
+#ifdef SLAP_CONTROL_X_WHATFAILED
+ /* NOTE: right now, slapd checks the validity of each control
+ * while parsing. As a consequence, it can only detect one
+ * cause of failure at a time. This results in returning
+ * exactly one OID with the whatFailed control, or no control
+ * at all.
+ */
+ char *failed_oid = NULL;
+#endif
+
+ len = ber_pvt_ber_remaining(ber);
+
+ if( len == 0) {
+ /* no controls */
+ rs->sr_err = LDAP_SUCCESS;
+ return rs->sr_err;
+ }
+
+ if(( tag = ber_peek_tag( ber, &len )) != ctag ) {
+ if( tag == LBER_ERROR ) {
+ rs->sr_err = SLAPD_DISCONNECT;
+ rs->sr_text = "unexpected data in PDU";
+ }
+
+ goto return_results;
+ }
+
+ Debug( LDAP_DEBUG_TRACE,
+ "=> get_ctrls\n" );
+
+ if( op->o_protocol < LDAP_VERSION3 ) {
+ rs->sr_err = SLAPD_DISCONNECT;
+ rs->sr_text = "controls require LDAPv3";
+ goto return_results;
+ }
+
+ /* one for first control, one for termination */
+ op->o_ctrls = op->o_tmpalloc( 2 * sizeof(LDAPControl *), op->o_tmpmemctx );
+
+#if 0
+ if( op->ctrls == NULL ) {
+ rs->sr_err = LDAP_NO_MEMORY;
+ rs->sr_text = "no memory";
+ goto return_results;
+ }
+#endif
+
+ op->o_ctrls[nctrls] = NULL;
+
+ /* step through each element */
+ for( tag = ber_first_element( ber, &len, &opaque );
+ tag != LBER_ERROR;
+ tag = ber_next_element( ber, &len, opaque ) )
+ {
+ LDAPControl *c;
+ LDAPControl **tctrls;
+
+ c = op->o_tmpalloc( sizeof(LDAPControl), op->o_tmpmemctx );
+ memset(c, 0, sizeof(LDAPControl));
+
+ /* allocate pointer space for current controls (nctrls)
+ * + this control + extra NULL
+ */
+ tctrls = op->o_tmprealloc( op->o_ctrls,
+ (nctrls+2) * sizeof(LDAPControl *), op->o_tmpmemctx );
+
+#if 0
+ if( tctrls == NULL ) {
+ ch_free( c );
+ ldap_controls_free(op->o_ctrls);
+ op->o_ctrls = NULL;
+
+ rs->sr_err = LDAP_NO_MEMORY;
+ rs->sr_text = "no memory";
+ goto return_results;
+ }
+#endif
+ op->o_ctrls = tctrls;
+
+ op->o_ctrls[nctrls++] = c;
+ op->o_ctrls[nctrls] = NULL;
+
+ tag = ber_scanf( ber, "{m" /*}*/, &bv );
+ c->ldctl_oid = bv.bv_val;
+
+ if( tag == LBER_ERROR ) {
+ Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get oid failed.\n" );
+
+ 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;
+
+ } else if( c->ldctl_oid == NULL ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "get_ctrls: conn %lu got empty OID.\n",
+ op->o_connid );
+
+ slap_free_ctrls( op, op->o_ctrls );
+ op->o_ctrls = NULL;
+ rs->sr_err = LDAP_PROTOCOL_ERROR;
+ rs->sr_text = "OID field is empty";
+ goto return_results;
+ }
+
+ tag = ber_peek_tag( ber, &len );
+
+ if( tag == LBER_BOOLEAN ) {
+ ber_int_t crit;
+ tag = ber_scanf( ber, "b", &crit );
+
+ if( tag == LBER_ERROR ) {
+ Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get crit failed.\n" );
+ 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;
+ }
+
+ c->ldctl_iscritical = (crit != 0);
+ tag = ber_peek_tag( ber, &len );
+ }
+
+ if( tag == LBER_OCTETSTRING ) {
+ tag = ber_scanf( ber, "m", &c->ldctl_value );
+
+ if( tag == LBER_ERROR ) {
+ Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: conn %lu: "
+ "%s (%scritical): get value failed.\n",
+ op->o_connid, c->ldctl_oid,
+ c->ldctl_iscritical ? "" : "non" );
+ 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;
+ }
+ }
+
+ Debug( LDAP_DEBUG_TRACE,
+ "=> get_ctrls: oid=\"%s\" (%scritical)\n",
+ c->ldctl_oid, c->ldctl_iscritical ? "" : "non" );
+
+ rs->sr_err = slap_parse_ctrl( op, rs, c, &rs->sr_text );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+#ifdef SLAP_CONTROL_X_WHATFAILED
+ failed_oid = c->ldctl_oid;
+#endif
+ goto return_results;
+ }
+ }
+
+return_results:
+ Debug( LDAP_DEBUG_TRACE,
+ "<= get_ctrls: n=%d rc=%d err=\"%s\"\n",
+ nctrls, rs->sr_err, rs->sr_text ? rs->sr_text : "");
+
+ 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 {
+#ifdef SLAP_CONTROL_X_WHATFAILED
+ /* might have not been parsed yet? */
+ if ( failed_oid != NULL ) {
+ if ( !get_whatFailed( op ) ) {
+ /* look it up */
+
+ /* step through each remaining element */
+ for ( ; tag != LBER_ERROR; tag = ber_next_element( ber, &len, opaque ) )
+ {
+ LDAPControl c = { 0 };
+
+ tag = ber_scanf( ber, "{m" /*}*/, &bv );
+ c.ldctl_oid = bv.bv_val;
+
+ if ( tag == LBER_ERROR ) {
+ slap_free_ctrls( op, op->o_ctrls );
+ op->o_ctrls = NULL;
+ break;
+
+ } else if ( c.ldctl_oid == NULL ) {
+ slap_free_ctrls( op, op->o_ctrls );
+ op->o_ctrls = NULL;
+ break;
+ }
+
+ tag = ber_peek_tag( ber, &len );
+ if ( tag == LBER_BOOLEAN ) {
+ ber_int_t crit;
+ tag = ber_scanf( ber, "b", &crit );
+ if( tag == LBER_ERROR ) {
+ slap_free_ctrls( op, op->o_ctrls );
+ op->o_ctrls = NULL;
+ break;
+ }
+
+ tag = ber_peek_tag( ber, &len );
+ }
+
+ if ( tag == LBER_OCTETSTRING ) {
+ tag = ber_scanf( ber, "m", &c.ldctl_value );
+
+ if( tag == LBER_ERROR ) {
+ slap_free_ctrls( op, op->o_ctrls );
+ op->o_ctrls = NULL;
+ break;
+ }
+ }
+
+ if ( strcmp( c.ldctl_oid, LDAP_CONTROL_X_WHATFAILED ) == 0 ) {
+ const char *text;
+ slap_parse_ctrl( op, rs, &c, &text );
+ break;
+ }
+ }
+ }
+
+ if ( get_whatFailed( op ) ) {
+ char *oids[ 2 ];
+ oids[ 0 ] = failed_oid;
+ oids[ 1 ] = NULL;
+ slap_ctrl_whatFailed_add( op, rs, oids );
+ }
+ }
+#endif
+
+ send_ldap_result( op, rs );
+ }
+ }
+
+ return rs->sr_err;
+}
+
+int
+slap_remove_control(
+ Operation *op,
+ SlapReply *rs,
+ int ctrl,
+ BI_chk_controls fnc )
+{
+ int i, j;
+
+ switch ( op->o_ctrlflag[ ctrl ] ) {
+ case SLAP_CONTROL_NONCRITICAL:
+ for ( i = 0, j = -1; op->o_ctrls[ i ] != NULL; i++ ) {
+ if ( strcmp( op->o_ctrls[ i ]->ldctl_oid,
+ slap_known_controls[ ctrl - 1 ] ) == 0 )
+ {
+ j = i;
+ }
+ }
+
+ if ( j == -1 ) {
+ rs->sr_err = LDAP_OTHER;
+ break;
+ }
+
+ if ( fnc ) {
+ (void)fnc( op, rs );
+ }
+
+ op->o_tmpfree( op->o_ctrls[ j ], op->o_tmpmemctx );
+
+ if ( i > 1 ) {
+ AC_MEMCPY( &op->o_ctrls[ j ], &op->o_ctrls[ j + 1 ],
+ ( i - j ) * sizeof( LDAPControl * ) );
+
+ } else {
+ op->o_tmpfree( op->o_ctrls, op->o_tmpmemctx );
+ op->o_ctrls = NULL;
+ }
+
+ op->o_ctrlflag[ ctrl ] = SLAP_CONTROL_IGNORED;
+
+ Debug( LDAP_DEBUG_ANY, "%s: "
+ "non-critical control \"%s\" not supported; stripped.\n",
+ op->o_log_prefix, slap_known_controls[ ctrl ] );
+ /* fall thru */
+
+ case SLAP_CONTROL_IGNORED:
+ case SLAP_CONTROL_NONE:
+ rs->sr_err = SLAP_CB_CONTINUE;
+ break;
+
+ case SLAP_CONTROL_CRITICAL:
+ rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
+ if ( fnc ) {
+ (void)fnc( op, rs );
+ }
+ Debug( LDAP_DEBUG_ANY, "%s: "
+ "critical control \"%s\" not supported.\n",
+ op->o_log_prefix, slap_known_controls[ ctrl ] );
+ break;
+
+ default:
+ /* handle all cases! */
+ assert( 0 );
+ }
+
+ return rs->sr_err;
+}
+
+static int parseDontUseCopy (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ if ( op->o_dontUseCopy != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "dontUseCopy control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( !BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "dontUseCopy control value not absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( ( global_disallows & SLAP_DISALLOW_DONTUSECOPY_N_CRIT )
+ && !ctrl->ldctl_iscritical )
+ {
+ rs->sr_text = "dontUseCopy criticality of FALSE not allowed";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_dontUseCopy = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ return LDAP_SUCCESS;
+}
+
+static int parseRelax (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ if ( op->o_relax != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "relax control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( !BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "relax control value not absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_relax = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ return LDAP_SUCCESS;
+}
+
+static int parseManageDSAit (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ if ( op->o_managedsait != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "manageDSAit control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( !BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "manageDSAit control value not absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_managedsait = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ return LDAP_SUCCESS;
+}
+
+static int parseProxyAuthz (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ int rc;
+ struct berval dn = BER_BVNULL;
+
+ if ( op->o_proxy_authz != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "proxy authorization control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "proxy authorization control value absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( ( global_disallows & SLAP_DISALLOW_PROXY_AUTHZ_N_CRIT )
+ && !ctrl->ldctl_iscritical )
+ {
+ rs->sr_text = "proxied authorization criticality of FALSE not allowed";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( !( global_allows & SLAP_ALLOW_PROXY_AUTHZ_ANON )
+ && BER_BVISEMPTY( &op->o_ndn ) )
+ {
+ rs->sr_text = "anonymous proxied authorization not allowed";
+ return LDAP_PROXIED_AUTHORIZATION_DENIED;
+ }
+
+ op->o_proxy_authz = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ Debug( LDAP_DEBUG_ARGS,
+ "parseProxyAuthz: conn %lu authzid=\"%s\"\n",
+ op->o_connid,
+ ctrl->ldctl_value.bv_len ? ctrl->ldctl_value.bv_val : "anonymous" );
+
+ if ( BER_BVISEMPTY( &ctrl->ldctl_value )) {
+ Debug( LDAP_DEBUG_TRACE,
+ "parseProxyAuthz: conn=%lu anonymous\n",
+ op->o_connid );
+
+ /* anonymous */
+ if ( !BER_BVISNULL( &op->o_ndn ) ) {
+ op->o_ndn.bv_val[ 0 ] = '\0';
+ }
+ op->o_ndn.bv_len = 0;
+
+ if ( !BER_BVISNULL( &op->o_dn ) ) {
+ op->o_dn.bv_val[ 0 ] = '\0';
+ }
+ op->o_dn.bv_len = 0;
+
+ return LDAP_SUCCESS;
+ }
+
+ rc = slap_sasl_getdn( op->o_conn, op, &ctrl->ldctl_value,
+ NULL, &dn, SLAP_GETDN_AUTHZID );
+
+ /* FIXME: empty DN in proxyAuthz control should be legal... */
+ if( rc != LDAP_SUCCESS /* || !dn.bv_len */ ) {
+ if ( dn.bv_val ) {
+ ch_free( dn.bv_val );
+ }
+ rs->sr_text = "authzId mapping failed";
+ return LDAP_PROXIED_AUTHORIZATION_DENIED;
+ }
+
+ Debug( LDAP_DEBUG_TRACE,
+ "parseProxyAuthz: conn=%lu \"%s\"\n",
+ op->o_connid,
+ dn.bv_len ? dn.bv_val : "(NULL)" );
+
+ 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_PROXIED_AUTHORIZATION_DENIED;
+ }
+
+ ch_free( op->o_ndn.bv_val );
+
+ /*
+ * NOTE: since slap_sasl_getdn() returns a normalized dn,
+ * from now on op->o_dn is normalized
+ */
+ op->o_ndn = dn;
+ ber_bvreplace( &op->o_dn, &dn );
+
+ Debug( LDAP_DEBUG_STATS, "%s PROXYAUTHZ dn=\"%s\"\n",
+ op->o_log_prefix, dn.bv_val );
+
+ return LDAP_SUCCESS;
+}
+
+static int parseNoOp (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ if ( op->o_noop != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "noop control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( !BER_BVISNULL( &ctrl->ldctl_value ) ) {
+ rs->sr_text = "noop control value not empty";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_noop = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ return LDAP_SUCCESS;
+}
+
+static int parsePagedResults (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ BerElementBuffer berbuf;
+ BerElement *ber = (BerElement *)&berbuf;
+ struct berval cookie;
+ PagedResultsState *ps;
+ int rc = LDAP_SUCCESS;
+ ber_tag_t tag;
+ ber_int_t size;
+
+ if ( op->o_pagedresults != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "paged results control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISNULL( &ctrl->ldctl_value ) ) {
+ rs->sr_text = "paged results control value is absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISEMPTY( &ctrl->ldctl_value ) ) {
+ rs->sr_text = "paged results control value is empty";
+ 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_init2( ber, &ctrl->ldctl_value, LBER_USE_DER );
+
+ tag = ber_scanf( ber, "{im}", &size, &cookie );
+
+ if ( tag == LBER_ERROR ) {
+ rs->sr_text = "paged results control could not be decoded";
+ rc = LDAP_PROTOCOL_ERROR;
+ goto done;
+ }
+
+ if ( size < 0 ) {
+ rs->sr_text = "paged results control size invalid";
+ rc = LDAP_PROTOCOL_ERROR;
+ goto done;
+ }
+
+ ps = op->o_tmpalloc( sizeof(PagedResultsState), op->o_tmpmemctx );
+ *ps = op->o_conn->c_pagedresults_state;
+ ps->ps_size = size;
+ ps->ps_cookieval = cookie;
+ op->o_pagedresults_state = ps;
+ if ( !cookie.bv_len ) {
+ ps->ps_count = 0;
+ ps->ps_cookie = 0;
+ /* taint ps_cookie, to detect whether it's set */
+ op->o_conn->c_pagedresults_state.ps_cookie = NOID;
+ }
+
+ /* NOTE: according to RFC 2696 3.:
+
+ If the page size is greater than or equal to the sizeLimit value, the
+ server should ignore the control as the request can be satisfied in a
+ single page.
+
+ * NOTE: this assumes that the op->ors_slimit be set
+ * before the controls are parsed.
+ */
+
+ if ( op->ors_slimit > 0 && size >= op->ors_slimit ) {
+ op->o_pagedresults = SLAP_CONTROL_IGNORED;
+
+ } else if ( ctrl->ldctl_iscritical ) {
+ op->o_pagedresults = SLAP_CONTROL_CRITICAL;
+
+ } else {
+ op->o_pagedresults = SLAP_CONTROL_NONCRITICAL;
+ }
+
+done:;
+ return rc;
+}
+
+#ifdef SLAP_CONTROL_X_SORTEDRESULTS
+static int parseSortedResults (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ int rc = LDAP_SUCCESS;
+
+ if ( op->o_sortedresults != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "sorted results control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISNULL( &ctrl->ldctl_value ) ) {
+ rs->sr_text = "sorted results control value is absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISEMPTY( &ctrl->ldctl_value ) ) {
+ rs->sr_text = "sorted results control value is empty";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ /* blow off parsing the value */
+
+ op->o_sortedresults = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ return rc;
+}
+#endif
+
+static int parseAssert (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ BerElement *ber;
+ struct berval fstr = BER_BVNULL;
+
+ if ( op->o_assert != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "assert control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "assert control value is absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISEMPTY( &ctrl->ldctl_value )) {
+ rs->sr_text = "assert control value is empty";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ ber = ber_init( &(ctrl->ldctl_value) );
+ if (ber == NULL) {
+ rs->sr_text = "assert control: internal error";
+ return LDAP_OTHER;
+ }
+
+ rs->sr_err = get_filter( op, ber, (Filter **)&(op->o_assertion),
+ &rs->sr_text);
+ (void) ber_free( ber, 1 );
+ 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, 1 );
+ op->o_assertion = NULL;
+ }
+ return rs->sr_err;
+ }
+
+#ifdef LDAP_DEBUG
+ filter2bv_x( op, op->o_assertion, &fstr );
+
+ Debug( LDAP_DEBUG_ARGS, "parseAssert: conn %ld assert: %s\n",
+ op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" );
+ op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx );
+#endif
+
+ op->o_assert = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ rs->sr_err = LDAP_SUCCESS;
+ return LDAP_SUCCESS;
+}
+
+#define READMSG(post, msg) \
+ ( post ? "postread control: " msg : "preread control: " msg )
+
+static int
+parseReadAttrs(
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl,
+ int post )
+{
+ ber_len_t siz, off, i;
+ BerElement *ber;
+ AttributeName *an = NULL;
+
+ if ( ( post && op->o_postread != SLAP_CONTROL_NONE ) ||
+ ( !post && op->o_preread != SLAP_CONTROL_NONE ) )
+ {
+ rs->sr_text = READMSG( post, "specified multiple times" );
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISNULL( &ctrl->ldctl_value ) ) {
+ rs->sr_text = READMSG( post, "value is absent" );
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISEMPTY( &ctrl->ldctl_value ) ) {
+ rs->sr_text = READMSG( post, "value is empty" );
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( op->o_txnSpec ) { /* temporary limitation */
+ rs->sr_text = READMSG( post, "cannot perform in transaction" );
+ return LDAP_UNWILLING_TO_PERFORM;
+ }
+
+ ber = ber_init( &ctrl->ldctl_value );
+ if ( ber == NULL ) {
+ rs->sr_text = READMSG( post, "internal error" );
+ return LDAP_OTHER;
+ }
+
+ rs->sr_err = LDAP_SUCCESS;
+ siz = sizeof( AttributeName );
+ off = offsetof( AttributeName, an_name );
+ if ( ber_scanf( ber, "{M}", &an, &siz, off ) == LBER_ERROR ) {
+ rs->sr_text = READMSG( post, "decoding error" );
+ rs->sr_err = LDAP_PROTOCOL_ERROR;
+ goto done;
+ }
+
+ for ( i = 0; i < siz; i++ ) {
+ const char *dummy = NULL;
+ int rc;
+
+ an[i].an_desc = NULL;
+ an[i].an_oc = NULL;
+ an[i].an_flags = 0;
+ rc = slap_bv2ad( &an[i].an_name, &an[i].an_desc, &dummy );
+ if ( rc == LDAP_SUCCESS ) {
+ an[i].an_name = an[i].an_desc->ad_cname;
+
+ } else {
+ int j;
+ static struct berval special_attrs[] = {
+ BER_BVC( LDAP_NO_ATTRS ),
+ BER_BVC( LDAP_ALL_USER_ATTRIBUTES ),
+ BER_BVC( LDAP_ALL_OPERATIONAL_ATTRIBUTES ),
+ BER_BVNULL
+ };
+
+ /* deal with special attribute types */
+ for ( j = 0; !BER_BVISNULL( &special_attrs[ j ] ); j++ ) {
+ if ( bvmatch( &an[i].an_name, &special_attrs[ j ] ) ) {
+ an[i].an_name = special_attrs[ j ];
+ break;
+ }
+ }
+
+ if ( BER_BVISNULL( &special_attrs[ j ] ) && ctrl->ldctl_iscritical ) {
+ rs->sr_err = rc;
+ rs->sr_text = dummy ? dummy
+ : READMSG( post, "unknown attributeType" );
+ goto done;
+ }
+ }
+ }
+
+ if ( post ) {
+ op->o_postread_attrs = an;
+ op->o_postread = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+ } else {
+ op->o_preread_attrs = an;
+ op->o_preread = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+ }
+
+done:
+ (void) ber_free( ber, 1 );
+ return rs->sr_err;
+}
+
+static int parsePreRead (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ return parseReadAttrs( op, rs, ctrl, 0 );
+}
+
+static int parsePostRead (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ return parseReadAttrs( op, rs, ctrl, 1 );
+}
+
+static int parseValuesReturnFilter (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ BerElement *ber;
+ struct berval fstr = BER_BVNULL;
+
+ if ( op->o_valuesreturnfilter != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "valuesReturnFilter control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "valuesReturnFilter control value is absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISEMPTY( &ctrl->ldctl_value )) {
+ rs->sr_text = "valuesReturnFilter control value is empty";
+ 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,
+ (ValuesReturnFilter **)&(op->o_vrFilter), &rs->sr_text);
+
+ (void) ber_free( ber, 1 );
+
+ 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 );
+ op->o_vrFilter = NULL;
+ }
+ }
+#ifdef LDAP_DEBUG
+ else {
+ vrFilter2bv( op, op->o_vrFilter, &fstr );
+ }
+
+ Debug( LDAP_DEBUG_ARGS, " vrFilter: %s\n",
+ fstr.bv_len ? fstr.bv_val : "empty" );
+ op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx );
+#endif
+
+ op->o_valuesreturnfilter = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ rs->sr_err = LDAP_SUCCESS;
+ return LDAP_SUCCESS;
+}
+
+static int parseSubentries (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ if ( op->o_subentries != SLAP_CONTROL_NONE ) {
+ 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_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ if (ctrl->ldctl_value.bv_val[2]) {
+ set_subentries_visibility( op );
+ }
+
+ return LDAP_SUCCESS;
+}
+
+static int parsePermissiveModify (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ if ( op->o_permissive_modify != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "permissiveModify control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( !BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "permissiveModify control value not absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_permissive_modify = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ return LDAP_SUCCESS;
+}
+
+static int parseDomainScope (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ if ( op->o_domain_scope != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "domainScope control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ /* this should be checking BVISNULL, but M$ clients are broken
+ * and include the value even though the M$ spec says it must be
+ * omitted. ITS#9100.
+ */
+ if ( !BER_BVISEMPTY( &ctrl->ldctl_value )) {
+ rs->sr_text = "domainScope control value not absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_domain_scope = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ return LDAP_SUCCESS;
+}
+
+#ifdef SLAP_CONTROL_X_TREE_DELETE
+static int parseTreeDelete (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ if ( op->o_tree_delete != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "treeDelete control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( !BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "treeDelete control value not absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_tree_delete = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ return LDAP_SUCCESS;
+}
+#endif
+
+static int parseSearchOptions (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ BerElement *ber;
+ ber_int_t search_flags;
+ ber_tag_t tag;
+
+ if ( BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "searchOptions control value is absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISEMPTY( &ctrl->ldctl_value )) {
+ rs->sr_text = "searchOptions control value is empty";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ ber = ber_init( &ctrl->ldctl_value );
+ if( ber == NULL ) {
+ rs->sr_text = "internal error";
+ return LDAP_OTHER;
+ }
+
+ tag = ber_scanf( ber, "{i}", &search_flags );
+ (void) ber_free( ber, 1 );
+
+ if ( tag == LBER_ERROR ) {
+ rs->sr_text = "searchOptions control decoding error";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( search_flags & ~(LDAP_SEARCH_FLAG_DOMAIN_SCOPE) ) {
+ /* Search flags not recognised so far,
+ * including:
+ * LDAP_SEARCH_FLAG_PHANTOM_ROOT
+ */
+ if ( ctrl->ldctl_iscritical ) {
+ rs->sr_text = "searchOptions contained unrecognized flag";
+ return LDAP_UNWILLING_TO_PERFORM;
+ }
+
+ /* Ignore */
+ Debug( LDAP_DEBUG_TRACE,
+ "searchOptions: conn=%lu unrecognized flag(s) 0x%x (non-critical)\n",
+ op->o_connid, (unsigned)search_flags );
+
+ return LDAP_SUCCESS;
+ }
+
+ if ( search_flags & LDAP_SEARCH_FLAG_DOMAIN_SCOPE ) {
+ if ( op->o_domain_scope != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "searchOptions control specified multiple times "
+ "or with domainScope control";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_domain_scope = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+#ifdef SLAP_CONTROL_X_SESSION_TRACKING
+struct berval session_tracking_formats[] = {
+ BER_BVC( LDAP_CONTROL_X_SESSION_TRACKING_RADIUS_ACCT_SESSION_ID ),
+ BER_BVC( "RADIUS-Acct-Session-Id" ),
+ BER_BVC( LDAP_CONTROL_X_SESSION_TRACKING_RADIUS_ACCT_MULTI_SESSION_ID ),
+ BER_BVC( "RADIUS-Acct-Multi-Session-Id" ),
+ BER_BVC( LDAP_CONTROL_X_SESSION_TRACKING_USERNAME ),
+ BER_BVC( "USERNAME" ),
+
+ BER_BVNULL
+};
+
+static int parseSessionTracking(
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ BerElement *ber;
+ ber_tag_t tag;
+ ber_len_t len;
+ int i, rc;
+
+ struct berval sessionSourceIp = BER_BVNULL,
+ sessionSourceName = BER_BVNULL,
+ formatOID = BER_BVNULL,
+ sessionTrackingIdentifier = BER_BVNULL;
+
+ size_t st_len, st_pos;
+
+ if ( ctrl->ldctl_iscritical ) {
+ rs->sr_text = "sessionTracking criticality is TRUE";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISNULL( &ctrl->ldctl_value ) ) {
+ rs->sr_text = "sessionTracking control value is absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISEMPTY( &ctrl->ldctl_value ) ) {
+ rs->sr_text = "sessionTracking control value is empty";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ /* TODO: add the capability to determine if a client is allowed
+ * to use this control, based on identity, ip and so */
+
+ ber = ber_init( &ctrl->ldctl_value );
+ if ( ber == NULL ) {
+ rs->sr_text = "internal error";
+ return LDAP_OTHER;
+ }
+
+ tag = ber_skip_tag( ber, &len );
+ if ( tag != LBER_SEQUENCE ) {
+ tag = LBER_ERROR;
+ goto error;
+ }
+
+ /* sessionSourceIp */
+ tag = ber_peek_tag( ber, &len );
+ if ( tag == LBER_DEFAULT ) {
+ tag = LBER_ERROR;
+ goto error;
+ }
+
+ if ( len == 0 ) {
+ tag = ber_skip_tag( ber, &len );
+
+ } else if ( len > 128 ) {
+ rs->sr_text = "sessionTracking.sessionSourceIp too long";
+ rs->sr_err = LDAP_PROTOCOL_ERROR;
+ goto error;
+
+ } else {
+ tag = ber_scanf( ber, "m", &sessionSourceIp );
+ }
+
+ if ( ldif_is_not_printable( sessionSourceIp.bv_val, sessionSourceIp.bv_len ) ) {
+ BER_BVZERO( &sessionSourceIp );
+ }
+
+ /* sessionSourceName */
+ tag = ber_peek_tag( ber, &len );
+ if ( tag == LBER_DEFAULT ) {
+ tag = LBER_ERROR;
+ goto error;
+ }
+
+ if ( len == 0 ) {
+ tag = ber_skip_tag( ber, &len );
+
+ } else if ( len > 65536 ) {
+ rs->sr_text = "sessionTracking.sessionSourceName too long";
+ rs->sr_err = LDAP_PROTOCOL_ERROR;
+ goto error;
+
+ } else {
+ tag = ber_scanf( ber, "m", &sessionSourceName );
+ }
+
+ if ( ldif_is_not_printable( sessionSourceName.bv_val, sessionSourceName.bv_len ) ) {
+ BER_BVZERO( &sessionSourceName );
+ }
+
+ /* formatOID */
+ tag = ber_peek_tag( ber, &len );
+ if ( tag == LBER_DEFAULT ) {
+ tag = LBER_ERROR;
+ goto error;
+ }
+
+ if ( len == 0 ) {
+ rs->sr_text = "sessionTracking.formatOID empty";
+ rs->sr_err = LDAP_PROTOCOL_ERROR;
+ goto error;
+
+ } else if ( len > 1024 ) {
+ rs->sr_text = "sessionTracking.formatOID too long";
+ rs->sr_err = LDAP_PROTOCOL_ERROR;
+ goto error;
+
+ } else {
+ tag = ber_scanf( ber, "m", &formatOID );
+ }
+
+ rc = numericoidValidate( NULL, &formatOID );
+ if ( rc != LDAP_SUCCESS ) {
+ rs->sr_text = "sessionTracking.formatOID invalid";
+ goto error;
+ }
+
+ for ( i = 0; !BER_BVISNULL( &session_tracking_formats[ i ] ); i += 2 )
+ {
+ if ( bvmatch( &formatOID, &session_tracking_formats[ i ] ) ) {
+ formatOID = session_tracking_formats[ i + 1 ];
+ break;
+ }
+ }
+
+ /* sessionTrackingIdentifier */
+ tag = ber_peek_tag( ber, &len );
+ if ( tag == LBER_DEFAULT ) {
+ tag = LBER_ERROR;
+ goto error;
+ }
+
+ if ( len == 0 ) {
+ tag = ber_skip_tag( ber, &len );
+
+ } else {
+ /* note: should not be more than 65536... */
+ tag = ber_scanf( ber, "m", &sessionTrackingIdentifier );
+ if ( ldif_is_not_printable( sessionTrackingIdentifier.bv_val, sessionTrackingIdentifier.bv_len ) ) {
+ /* we want the OID printed, at least */
+ BER_BVSTR( &sessionTrackingIdentifier, "" );
+ }
+ }
+
+ /* closure */
+ tag = ber_skip_tag( ber, &len );
+ if ( tag != LBER_DEFAULT || len != 0 ) {
+ tag = LBER_ERROR;
+ goto error;
+ }
+ tag = 0;
+
+ st_len = 0;
+ if ( !BER_BVISNULL( &sessionSourceIp ) ) {
+ st_len += STRLENOF( "IP=" ) + sessionSourceIp.bv_len;
+ }
+ if ( !BER_BVISNULL( &sessionSourceName ) ) {
+ if ( st_len ) st_len++;
+ st_len += STRLENOF( "NAME=" ) + sessionSourceName.bv_len;
+ }
+ if ( !BER_BVISNULL( &sessionTrackingIdentifier ) ) {
+ if ( st_len ) st_len++;
+ st_len += formatOID.bv_len + STRLENOF( "=" )
+ + sessionTrackingIdentifier.bv_len;
+ }
+
+ if ( st_len == 0 ) {
+ goto error;
+ }
+
+ st_len += STRLENOF( " []" );
+ st_pos = strlen( op->o_log_prefix );
+
+ if ( sizeof( op->o_log_prefix ) - st_pos > st_len ) {
+ char *ptr = &op->o_log_prefix[ st_pos ];
+
+ ptr = lutil_strcopy( ptr, " [" /*]*/ );
+
+ st_len = 0;
+ if ( !BER_BVISNULL( &sessionSourceIp ) ) {
+ ptr = lutil_strcopy( ptr, "IP=" );
+ ptr = lutil_strcopy( ptr, sessionSourceIp.bv_val );
+ st_len++;
+ }
+
+ if ( !BER_BVISNULL( &sessionSourceName ) ) {
+ if ( st_len ) *ptr++ = ' ';
+ ptr = lutil_strcopy( ptr, "NAME=" );
+ ptr = lutil_strcopy( ptr, sessionSourceName.bv_val );
+ st_len++;
+ }
+
+ if ( !BER_BVISNULL( &sessionTrackingIdentifier ) ) {
+ if ( st_len ) *ptr++ = ' ';
+ ptr = lutil_strcopy( ptr, formatOID.bv_val );
+ *ptr++ = '=';
+ ptr = lutil_strcopy( ptr, sessionTrackingIdentifier.bv_val );
+ }
+
+ *ptr++ = /*[*/ ']';
+ *ptr = '\0';
+ }
+
+error:;
+ (void)ber_free( ber, 1 );
+
+ if ( tag == LBER_ERROR ) {
+ rs->sr_text = "sessionTracking control decoding error";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+
+ return rs->sr_err;
+}
+
+int
+slap_ctrl_session_tracking_add(
+ Operation *op,
+ SlapReply *rs,
+ struct berval *ip,
+ struct berval *name,
+ struct berval *id,
+ LDAPControl *ctrl )
+{
+ BerElementBuffer berbuf;
+ BerElement *ber = (BerElement *)&berbuf;
+
+ static struct berval oid = BER_BVC( LDAP_CONTROL_X_SESSION_TRACKING_USERNAME );
+
+ assert( ctrl != NULL );
+
+ ber_init2( ber, NULL, LBER_USE_DER );
+
+ ber_printf( ber, "{OOOO}", ip, name, &oid, id );
+
+ if ( ber_flatten2( ber, &ctrl->ldctl_value, 0 ) == -1 ) {
+ rs->sr_err = LDAP_OTHER;
+ goto done;
+ }
+
+ ctrl->ldctl_oid = LDAP_CONTROL_X_SESSION_TRACKING;
+ ctrl->ldctl_iscritical = 0;
+
+ rs->sr_err = LDAP_SUCCESS;
+
+done:;
+ return rs->sr_err;
+}
+
+int
+slap_ctrl_session_tracking_request_add( Operation *op, SlapReply *rs, LDAPControl *ctrl )
+{
+ static struct berval bv_unknown = BER_BVC( SLAP_STRING_UNKNOWN );
+ struct berval ip = BER_BVNULL,
+ name = BER_BVNULL,
+ id = BER_BVNULL;
+
+ if ( !BER_BVISNULL( &op->o_conn->c_peer_name ) &&
+ memcmp( op->o_conn->c_peer_name.bv_val, "IP=", STRLENOF( "IP=" ) ) == 0 )
+ {
+ char *ptr;
+
+ ip.bv_val = op->o_conn->c_peer_name.bv_val + STRLENOF( "IP=" );
+ ip.bv_len = op->o_conn->c_peer_name.bv_len - STRLENOF( "IP=" );
+
+ ptr = ber_bvchr( &ip, ':' );
+ if ( ptr ) {
+ ip.bv_len = ptr - ip.bv_val;
+ }
+ }
+
+ if ( !BER_BVISNULL( &op->o_conn->c_peer_domain ) &&
+ !bvmatch( &op->o_conn->c_peer_domain, &bv_unknown ) )
+ {
+ name = op->o_conn->c_peer_domain;
+ }
+
+ if ( !BER_BVISNULL( &op->o_dn ) && !BER_BVISEMPTY( &op->o_dn ) ) {
+ id = op->o_dn;
+ }
+
+ return slap_ctrl_session_tracking_add( op, rs, &ip, &name, &id, ctrl );
+}
+#endif
+
+#ifdef SLAP_CONTROL_X_WHATFAILED
+static int parseWhatFailed(
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ if ( op->o_whatFailed != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "\"WHat Failed?\" control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( !BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "\"What Failed?\" control value not absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_whatFailed = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ return LDAP_SUCCESS;
+}
+
+int
+slap_ctrl_whatFailed_add(
+ Operation *op,
+ SlapReply *rs,
+ char **oids )
+{
+ BerElementBuffer berbuf;
+ BerElement *ber = (BerElement *) &berbuf;
+ LDAPControl **ctrls = NULL;
+ struct berval ctrlval;
+ int i, rc = LDAP_SUCCESS;
+
+ ber_init2( ber, NULL, LBER_USE_DER );
+ ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
+ ber_printf( ber, "[" /*]*/ );
+ for ( i = 0; oids[ i ] != NULL; i++ ) {
+ ber_printf( ber, "s", oids[ i ] );
+ }
+ ber_printf( ber, /*[*/ "]" );
+
+ if ( ber_flatten2( ber, &ctrlval, 0 ) == -1 ) {
+ rc = LDAP_OTHER;
+ goto done;
+ }
+
+ i = 0;
+ if ( rs->sr_ctrls != NULL ) {
+ for ( ; rs->sr_ctrls[ i ] != NULL; i++ ) {
+ if ( strcmp( rs->sr_ctrls[ i ]->ldctl_oid, LDAP_CONTROL_X_WHATFAILED ) != 0 ) {
+ /* TODO: add */
+ assert( 0 );
+ }
+ }
+ }
+
+ ctrls = op->o_tmprealloc( rs->sr_ctrls,
+ sizeof(LDAPControl *)*( i + 2 )
+ + sizeof(LDAPControl)
+ + ctrlval.bv_len + 1,
+ op->o_tmpmemctx );
+ if ( ctrls == NULL ) {
+ rc = LDAP_OTHER;
+ goto done;
+ }
+ ctrls[ i + 1 ] = NULL;
+ ctrls[ i ] = (LDAPControl *)&ctrls[ i + 2 ];
+ ctrls[ i ]->ldctl_oid = LDAP_CONTROL_X_WHATFAILED;
+ ctrls[ i ]->ldctl_iscritical = 0;
+ ctrls[ i ]->ldctl_value.bv_val = (char *)&ctrls[ i ][ 1 ];
+ AC_MEMCPY( ctrls[ i ]->ldctl_value.bv_val, ctrlval.bv_val, ctrlval.bv_len + 1 );
+ ctrls[ i ]->ldctl_value.bv_len = ctrlval.bv_len;
+
+ ber_free_buf( ber );
+
+ rs->sr_ctrls = ctrls;
+
+done:;
+ return rc;
+}
+#endif
+
+#ifdef SLAP_CONTROL_X_LAZY_COMMIT
+static int parseLazyCommit(
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ if ( op->o_lazyCommit != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "\"Lazy Commit?\" control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( !BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "\"Lazy Commit?\" control value not absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_lazyCommit = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ return LDAP_SUCCESS;
+}
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 00:29:06 +0000