/* $OpenLDAP$ */
-/*
- * Copyright 1999 The OpenLDAP Foundation.
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2008 The OpenLDAP Foundation.
* All rights reserved.
*
- * Redistribution and use in source and binary forms are permitted only
- * as authorized by the OpenLDAP Public License. A copy of this
- * license is available at http://www.OpenLDAP.org/license.html or
- * in file LICENSE in the top-level directory of the distribution.
+ * 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>.
*/
/*
* LDAPv3 Extended Operation Request
* ExtendedRequest ::= [APPLICATION 23] SEQUENCE {
- * requestName [0] LDAPOID,
- * requestValue [1] OCTET STRING OPTIONAL
+ * requestName [0] LDAPOID,
+ * requestValue [1] OCTET STRING OPTIONAL
* }
*
* LDAPv3 Extended Operation Response
* ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
* COMPONENTS OF LDAPResult,
- * responseName [10] LDAPOID OPTIONAL,
- * response [11] OCTET STRING OPTIONAL
+ * responseName [10] LDAPOID OPTIONAL,
+ * response [11] OCTET STRING OPTIONAL
* }
*
*/
#include "portable.h"
#include <stdio.h>
+
#include <ac/socket.h>
+#include <ac/string.h>
#include "slap.h"
+#include "lber_pvt.h"
+
+static struct extop_list {
+ struct extop_list *next;
+ struct berval oid;
+ slap_mask_t flags;
+ SLAP_EXTOP_MAIN_FN *ext_main;
+} *supp_ext_list = NULL;
-char *supportedExtensions[] = {
- NULL
+static SLAP_EXTOP_MAIN_FN whoami_extop;
+
+/* This list of built-in extops is for extops that are not part
+ * of backends or in external modules. Essentially, this is
+ * just a way to get built-in extops onto the extop list without
+ * having a separate init routine for each built-in extop.
+ */
+static struct {
+ const struct berval *oid;
+ slap_mask_t flags;
+ SLAP_EXTOP_MAIN_FN *ext_main;
+} builtin_extops[] = {
+#ifdef LDAP_X_TXN
+ { &slap_EXOP_TXN_START, 0, txn_start_extop },
+ { &slap_EXOP_TXN_END, 0, txn_end_extop },
+#endif
+ { &slap_EXOP_CANCEL, 0, cancel_extop },
+ { &slap_EXOP_WHOAMI, 0, whoami_extop },
+ { &slap_EXOP_MODIFY_PASSWD, SLAP_EXOP_WRITES, passwd_extop },
+ { NULL, 0, NULL }
};
+static struct extop_list *find_extop(
+ struct extop_list *list, struct berval *oid );
+
+struct berval *
+get_supported_extop (int index)
+{
+ struct extop_list *ext;
+
+ /* linear scan is slow, but this way doesn't force a
+ * big change on root_dse.c, where this routine is used.
+ */
+ for (ext = supp_ext_list; ext != NULL && --index >= 0; ext = ext->next) {
+ ; /* empty */
+ }
+
+ if (ext == NULL) return NULL;
+
+ return &ext->oid;
+}
+
+
+int exop_root_dse_info( Entry *e )
+{
+ AttributeDescription *ad_supportedExtension
+ = slap_schema.si_ad_supportedExtension;
+ struct berval vals[2];
+ struct extop_list *ext;
+
+ vals[1].bv_val = NULL;
+ vals[1].bv_len = 0;
+
+ for (ext = supp_ext_list; ext != NULL; ext = ext->next) {
+ if( ext->flags & SLAP_EXOP_HIDE ) continue;
+
+ vals[0] = ext->oid;
+
+ if( attr_merge( e, ad_supportedExtension, vals, NULL ) ) {
+ return LDAP_OTHER;
+ }
+ }
+
+ return LDAP_SUCCESS;
+}
+
int
do_extended(
- Connection *conn,
- Operation *op
+ Operation *op,
+ SlapReply *rs
)
{
- int rc = LDAP_SUCCESS;
- char* reqoid ;
- struct berval reqdata;
+ struct berval reqdata = {0, NULL};
ber_tag_t tag;
ber_len_t len;
- Debug( LDAP_DEBUG_TRACE, "do_extended\n", 0, 0, 0 );
-
- reqoid = NULL;
- reqdata.bv_val = NULL;
+ Debug( LDAP_DEBUG_TRACE, "%s do_extended\n",
+ op->o_log_prefix, 0, 0 );
if( op->o_protocol < LDAP_VERSION3 ) {
- Debug( LDAP_DEBUG_ANY, "do_extended: protocol version (%d) too low\n",
- op->o_protocol, 0 ,0 );
- send_ldap_disconnect( conn, op,
- LDAP_PROTOCOL_ERROR, "requires LDAPv3" );
- rc = -1;
+ Debug( LDAP_DEBUG_ANY, "%s do_extended: protocol version (%d) too low\n",
+ op->o_log_prefix, op->o_protocol, 0 );
+ send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "requires LDAPv3" );
+ rs->sr_err = SLAPD_DISCONNECT;
goto done;
}
- if ( ber_scanf( op->o_ber, "a", &reqoid ) == LBER_ERROR ) {
- Debug( LDAP_DEBUG_ANY, "do_extended: ber_scanf failed\n", 0, 0 ,0 );
- send_ldap_disconnect( conn, op,
- LDAP_PROTOCOL_ERROR, "decoding error" );
- rc = -1;
- goto done;
- }
-
- if( !charray_inlist( supportedExtensions, reqoid ) ) {
- Debug( LDAP_DEBUG_ANY, "do_extended: unsupported operation \"%s\"\n",
- reqoid, 0 ,0 );
- send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
- NULL, "unsuppored extended operation", NULL, NULL );
+ if ( ber_scanf( op->o_ber, "{m" /*}*/, &op->ore_reqoid ) == LBER_ERROR ) {
+ Debug( LDAP_DEBUG_ANY, "%s do_extended: ber_scanf failed\n",
+ op->o_log_prefix, 0, 0 );
+ send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
+ rs->sr_err = SLAPD_DISCONNECT;
goto done;
}
tag = ber_peek_tag( op->o_ber, &len );
if( ber_peek_tag( op->o_ber, &len ) == LDAP_TAG_EXOP_REQ_VALUE ) {
- if( ber_scanf( op->o_ber, "o", &reqdata ) != LBER_ERROR ) {
- Debug( LDAP_DEBUG_ANY, "do_extended: ber_scanf failed\n", 0, 0 ,0 );
- send_ldap_disconnect( conn, op,
- LDAP_PROTOCOL_ERROR, "decoding error" );
- rc = -1;
+ if( ber_scanf( op->o_ber, "m", &reqdata ) == LBER_ERROR ) {
+ Debug( LDAP_DEBUG_ANY, "%s do_extended: ber_scanf failed\n",
+ op->o_log_prefix, 0, 0 );
+ send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
+ rs->sr_err = SLAPD_DISCONNECT;
goto done;
}
}
- if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
- Debug( LDAP_DEBUG_ANY, "do_extended: get_ctrls failed\n", 0, 0 ,0 );
- return rc;
+ if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY, "%s do_extended: get_ctrls failed\n",
+ op->o_log_prefix, 0, 0 );
+ return rs->sr_err;
}
- Debug( LDAP_DEBUG_ARGS, "do_extended: oid \"%s\"\n", reqoid, 0 ,0 );
+ Statslog( LDAP_DEBUG_STATS, "%s EXT oid=%s\n",
+ op->o_log_prefix, op->ore_reqoid.bv_val, 0, 0, 0 );
+
+ /* check for controls inappropriate for all extended operations */
+ if( get_manageDSAit( op ) == SLAP_CONTROL_CRITICAL ) {
+ send_ldap_error( op, rs,
+ LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
+ "manageDSAit control inappropriate" );
+ goto done;
+ }
+
+ /* FIXME: temporary? */
+ if ( reqdata.bv_val ) {
+ op->ore_reqdata = &reqdata;
+ }
+
+ op->o_bd = frontendDB;
+ rs->sr_err = frontendDB->be_extended( op, rs );
- send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
- NULL, "unsupported extended operation", NULL, NULL );
+ /* clean up in case some overlay set them? */
+ if ( !BER_BVISNULL( &op->o_req_ndn ) ) {
+ if ( !BER_BVISNULL( &op->o_req_dn )
+ && op->o_req_ndn.bv_val != op->o_req_dn.bv_val )
+ {
+ op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
+ }
+ op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
+ BER_BVZERO( &op->o_req_dn );
+ BER_BVZERO( &op->o_req_ndn );
+ }
done:
- if ( reqoid != NULL ) {
- free( reqoid );
+ return rs->sr_err;
+}
+
+int
+fe_extended( Operation *op, SlapReply *rs )
+{
+ struct extop_list *ext = NULL;
+ struct berval reqdata = BER_BVNULL;
+
+ if (op->ore_reqdata) {
+ reqdata = *op->ore_reqdata;
+ }
+
+ ext = find_extop(supp_ext_list, &op->ore_reqoid );
+ if ( ext == NULL ) {
+ Debug( LDAP_DEBUG_ANY, "%s do_extended: unsupported operation \"%s\"\n",
+ op->o_log_prefix, op->ore_reqoid.bv_val, 0 );
+ send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
+ "unsupported extended operation" );
+ goto done;
+ }
+
+ op->ore_flags = ext->flags;
+
+ Debug( LDAP_DEBUG_ARGS, "do_extended: oid=%s\n",
+ op->ore_reqoid.bv_val, 0 ,0 );
+
+ { /* start of OpenLDAP extended operation */
+ BackendDB *bd = op->o_bd;
+
+ rs->sr_err = (ext->ext_main)( op, rs );
+
+ if( rs->sr_err != SLAPD_ABANDON ) {
+ if ( rs->sr_err == LDAP_REFERRAL && rs->sr_ref == NULL ) {
+ rs->sr_ref = referral_rewrite( default_referral,
+ NULL, NULL, LDAP_SCOPE_DEFAULT );
+ if ( !rs->sr_ref ) rs->sr_ref = default_referral;
+ if ( !rs->sr_ref ) {
+ rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+ rs->sr_text = "referral missing";
+ }
+ }
+
+ if ( op->o_bd == NULL )
+ op->o_bd = bd;
+ send_ldap_extended( op, rs );
+
+ if ( rs->sr_ref != default_referral ) {
+ ber_bvarray_free( rs->sr_ref );
+ rs->sr_ref = NULL;
+ }
+ }
+
+ if ( rs->sr_rspoid != NULL ) {
+ free( (char *)rs->sr_rspoid );
+ }
+
+ if ( rs->sr_rspdata != NULL ) {
+ ber_bvfree( rs->sr_rspdata );
+ }
+ } /* end of OpenLDAP extended operation */
+
+done:;
+ return rs->sr_err;
+}
+
+int
+load_extop2(
+ const struct berval *ext_oid,
+ slap_mask_t ext_flags,
+ SLAP_EXTOP_MAIN_FN *ext_main,
+ unsigned flags )
+{
+ struct berval oidm = BER_BVNULL;
+ struct extop_list *ext;
+ int insertme = 0;
+
+ if ( !ext_main ) {
+ return -1;
+ }
+
+ if ( ext_oid == NULL || BER_BVISNULL( ext_oid ) ||
+ BER_BVISEMPTY( ext_oid ) )
+ {
+ return -1;
+ }
+
+ if ( numericoidValidate( NULL, (struct berval *)ext_oid ) !=
+ LDAP_SUCCESS )
+ {
+ oidm.bv_val = oidm_find( ext_oid->bv_val );
+ if ( oidm.bv_val == NULL ) {
+ return -1;
+ }
+ oidm.bv_len = strlen( oidm.bv_val );
+ ext_oid = &oidm;
}
- if ( reqdata.bv_val != NULL ) {
- free( reqdata.bv_val );
+
+ for ( ext = supp_ext_list; ext; ext = ext->next ) {
+ if ( bvmatch( ext_oid, &ext->oid ) ) {
+ if ( flags == 1 ) {
+ break;
+ }
+ return -1;
+ }
+ }
+
+ if ( flags == 0 || ext == NULL ) {
+ ext = ch_calloc( 1, sizeof(struct extop_list) + ext_oid->bv_len + 1 );
+ if ( ext == NULL ) {
+ return(-1);
+ }
+
+ ext->oid.bv_val = (char *)(ext + 1);
+ AC_MEMCPY( ext->oid.bv_val, ext_oid->bv_val, ext_oid->bv_len );
+ ext->oid.bv_len = ext_oid->bv_len;
+ ext->oid.bv_val[ext->oid.bv_len] = '\0';
+
+ insertme = 1;
+ }
+
+ ext->flags = ext_flags;
+ ext->ext_main = ext_main;
+
+ if ( insertme ) {
+ ext->next = supp_ext_list;
+ supp_ext_list = ext;
+ }
+
+ return(0);
+}
+
+int
+extops_init (void)
+{
+ int i;
+
+ for ( i = 0; builtin_extops[i].oid != NULL; i++ ) {
+ load_extop( (struct berval *)builtin_extops[i].oid,
+ builtin_extops[i].flags,
+ builtin_extops[i].ext_main );
+ }
+ return(0);
+}
+
+int
+extops_kill (void)
+{
+ struct extop_list *ext;
+
+ /* we allocated the memory, so we have to free it, too. */
+ while ((ext = supp_ext_list) != NULL) {
+ supp_ext_list = ext->next;
+ ch_free(ext);
+ }
+ return(0);
+}
+
+static struct extop_list *
+find_extop( struct extop_list *list, struct berval *oid )
+{
+ struct extop_list *ext;
+
+ for (ext = list; ext; ext = ext->next) {
+ if (bvmatch(&ext->oid, oid))
+ return(ext);
+ }
+ return(NULL);
+}
+
+
+const struct berval slap_EXOP_WHOAMI = BER_BVC(LDAP_EXOP_WHO_AM_I);
+
+static int
+whoami_extop (
+ Operation *op,
+ SlapReply *rs )
+{
+ struct berval *bv;
+
+ if ( op->ore_reqdata != NULL ) {
+ /* no request data should be provided */
+ rs->sr_text = "no request data expected";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
+ op->o_log_prefix, 0, 0, 0, 0 );
+
+ op->o_bd = op->o_conn->c_authz_backend;
+ if( backend_check_restrictions( op, rs,
+ (struct berval *)&slap_EXOP_WHOAMI ) != LDAP_SUCCESS )
+ {
+ return rs->sr_err;
+ }
+
+ bv = (struct berval *) ch_malloc( sizeof(struct berval) );
+ if( op->o_dn.bv_len ) {
+ bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
+ bv->bv_val = ch_malloc( bv->bv_len + 1 );
+ AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
+ AC_MEMCPY( &bv->bv_val[STRLENOF( "dn:" )], op->o_dn.bv_val,
+ op->o_dn.bv_len );
+ bv->bv_val[bv->bv_len] = '\0';
+
+ } else {
+ bv->bv_len = 0;
+ bv->bv_val = NULL;
}
- return rc;
+ rs->sr_rspdata = bv;
+ return LDAP_SUCCESS;
}
projects / openldap / blobdiff