+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",
+ 0 );
+
+ if ( BER_BVISEMPTY( &ctrl->ldctl_value )) {
+ Debug( LDAP_DEBUG_TRACE,
+ "parseProxyAuthz: conn=%lu anonymous\n",
+ op->o_connid, 0, 0 );
+
+ /* 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)", 0 );
+
+ 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 );
+ ch_free( op->o_dn.bv_val );
+
+ /*
+ * NOTE: since slap_sasl_getdn() returns a normalized dn,
+ * from now on op->o_dn is normalized
+ */
+ op->o_ndn = dn;
+ ber_dupbv( &op->o_dn, &dn );
+
+ Statslog( LDAP_DEBUG_STATS, "%s PROXYAUTHZ dn=\"%s\"\n",
+ op->o_log_prefix, dn.bv_val, 0, 0, 0 );
+
+ 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 );
+ }
+ 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" , 0 );
+ 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;
+ }
+
+#ifdef LDAP_X_TXN
+ if ( op->o_txnSpec ) { /* temporary limitation */
+ rs->sr_text = READMSG( post, "cannot perform in transaction" );
+ return LDAP_UNWILLING_TO_PERFORM;
+ }
+#endif
+
+ 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 );
+ }
+#ifdef LDAP_DEBUG
+ else {
+ vrFilter2bv( op, op->o_vrFilter, &fstr );
+ }
+
+ Debug( LDAP_DEBUG_ARGS, " vrFilter: %s\n",
+ fstr.bv_len ? fstr.bv_val : "empty", 0, 0 );
+ 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;
+ }
+
+ if ( BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "domainScope control value not empty";
+ 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, 0 );
+
+ 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