]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/modrdn.c
Latest changes from HEAD.
[openldap] / servers / slapd / modrdn.c
index 802dda55acb4cf4f20fe02cde7a5b0ce69cd4d9e..eca68cace571f2fd5b35d3499c6d871b367853f2 100644 (file)
@@ -1,3 +1,8 @@
+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 /*
  * Copyright (c) 1995 Regents of the University of Michigan.
  * All rights reserved.
  * is provided ``as is'' without express or implied warranty.
  */
 
+/*
+ * LDAP v3 newSuperior support.
+ *
+ * Copyright 1999, Juan C. Gomez, All rights reserved.
+ * This software is not subject to any license of Silicon Graphics 
+ * Inc. or Purdue University.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * without restriction or fee of any kind as long as this notice
+ * is preserved.
+ *
+ */
+
+#include "portable.h"
+
 #include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include "slap.h"
 
-extern Backend *select_backend();
+#include <ac/socket.h>
+#include <ac/string.h>
 
-extern char    *default_referral;
+#include "ldap_pvt.h"
+#include "slap.h"
 
-void
+int
 do_modrdn(
     Connection *conn,
     Operation  *op
 )
 {
-       char    *dn, *odn, *newrdn;
-       int     deloldrdn;
+       struct berval dn = { 0, NULL };
+       struct berval newrdn = { 0, NULL };
+       struct berval newSuperior = { 0, NULL };
+       ber_int_t       deloldrdn;
+
+       struct berval pdn = { 0, NULL };
+       struct berval pnewrdn = { 0, NULL };
+       struct berval pnewSuperior = { 0, NULL }, *pnewS = NULL;
+
+       struct berval ndn = { 0, NULL };
+       struct berval nnewrdn = { 0, NULL };
+       struct berval nnewSuperior = { 0, NULL }, *nnewS = NULL;
+
        Backend *be;
+       Backend *newSuperior_be = NULL;
+       ber_len_t       length;
+       int rc;
+       const char *text;
+       int manageDSAit;
 
+#ifdef NEW_LOGGING
+       LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+               "do_modrdn: begin\n" ));
+#else
        Debug( LDAP_DEBUG_TRACE, "do_modrdn\n", 0, 0, 0 );
+#endif
+
 
        /*
         * Parse the modrdn request.  It looks like this:
@@ -38,65 +78,311 @@ do_modrdn(
         *      ModifyRDNRequest := SEQUENCE {
         *              entry   DistinguishedName,
         *              newrdn  RelativeDistinguishedName
+        *              deleteoldrdn    BOOLEAN,
+        *              newSuperior     [0] LDAPDN OPTIONAL (v3 Only!)
         *      }
         */
 
-       if ( ber_scanf( op->o_ber, "{aab}", &dn, &newrdn, &deloldrdn )
-           == LBER_ERROR ) {
+       if ( ber_scanf( op->o_ber, "{mmb", &dn, &newrdn, &deloldrdn )
+           == LBER_ERROR )
+       {
+#ifdef NEW_LOGGING
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                       "do_modrdn: ber_scanf failed\n" ));
+#else
                Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
-               send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL, "" );
-               return;
+#endif
+
+               send_ldap_disconnect( conn, op,
+                       LDAP_PROTOCOL_ERROR, "decoding error" );
+               return SLAPD_DISCONNECT;
        }
-       odn = strdup( dn );
-       dn_normalize( dn );
 
+       /* Check for newSuperior parameter, if present scan it */
+
+       if ( ber_peek_tag( op->o_ber, &length ) == LDAP_TAG_NEWSUPERIOR ) {
+               if ( op->o_protocol < LDAP_VERSION3 ) {
+                       /* Conection record indicates v2 but field 
+                        * newSuperior is present: report error.
+                        */
+#ifdef NEW_LOGGING
+                       LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                               "do_modrdn: (v2) invalid field newSuperior.\n" ));
+#else
+                       Debug( LDAP_DEBUG_ANY,
+                           "modrdn(v2): invalid field newSuperior!\n",
+                           0, 0, 0 );
+#endif
+
+                       send_ldap_disconnect( conn, op,
+                               LDAP_PROTOCOL_ERROR, "newSuperior requires LDAPv3" );
+                       rc = SLAPD_DISCONNECT;
+                       goto cleanup;
+               }
+
+               if ( ber_scanf( op->o_ber, "m", &newSuperior ) 
+                    == LBER_ERROR ) {
+
+#ifdef NEW_LOGGING
+                       LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                               "do_modrdn: ber_scanf(\"m\") failed\n" ));
+#else
+                       Debug( LDAP_DEBUG_ANY, "ber_scanf(\"m\") failed\n",
+                               0, 0, 0 );
+#endif
+
+                       send_ldap_disconnect( conn, op,
+                               LDAP_PROTOCOL_ERROR, "decoding error" );
+                       rc = SLAPD_DISCONNECT;
+                       goto cleanup;
+               }
+               pnewS = &pnewSuperior;
+               nnewS = &nnewSuperior;
+       }
+
+#ifdef NEW_LOGGING
+       LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
+               "do_modrdn: dn (%s) newrdn (%s) newsuperior(%s)\n",
+               dn.bv_val, newrdn.bv_val,
+               newSuperior.bv_len ? newSuperior.bv_val : "" ));
+#else
        Debug( LDAP_DEBUG_ARGS,
-           "do_modrdn: dn (%s) newrdn (%s) deloldrdn (%d)\n", dn, newrdn,
-           deloldrdn );
+           "do_modrdn: dn (%s) newrdn (%s) newsuperior (%s)\n",
+               dn.bv_val, newrdn.bv_val,
+               newSuperior.bv_len ? newSuperior.bv_val : "" );
+#endif
+
+       if ( ber_scanf( op->o_ber, /*{*/ "}") == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                       "do_modrdn: ber_scanf failed\n" ));
+#else
+               Debug( LDAP_DEBUG_ANY, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
+#endif
+
+               send_ldap_disconnect( conn, op,
+                       LDAP_PROTOCOL_ERROR, "decoding error" );
+               rc = SLAPD_DISCONNECT;
+               goto cleanup;
+       }
+
+       if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                       "do_modrdn: get_ctrls failed\n" ));
+#else
+               Debug( LDAP_DEBUG_ANY, "do_modrdn: get_ctrls failed\n", 0, 0, 0 );
+#endif
+
+               /* get_ctrls has sent results.  Now clean up. */
+               goto cleanup;
+       } 
+
+       rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn );
+       if( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+                       "do_modrdn: conn %d  invalid dn (%s)\n",
+                       conn->c_connid, dn.bv_val ));
+#else
+               Debug( LDAP_DEBUG_ANY,
+                       "do_modrdn: invalid dn (%s)\n", dn.bv_val, 0, 0 );
+#endif
+               send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
+                   "invalid DN", NULL, NULL );
+               goto cleanup;
+       }
+
+       if( ndn.bv_len == 0 ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                          "do_modrdn:  attempt to modify root DSE.\n" ));
+#else
+               Debug( LDAP_DEBUG_ANY, "do_modrdn: root dse!\n", 0, 0, 0 );
+#endif
 
-       Statslog( LDAP_DEBUG_STATS, "conn=%d op=%d MODRDN dn=\"%s\"\n",
-           conn->c_connid, op->o_opid, dn, 0, 0 );
+               send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
+                       NULL, "cannot rename the root DSE", NULL, NULL );
+               goto cleanup;
+
+#ifdef SLAPD_SCHEMA_DN
+       } else if ( strcasecmp( ndn.bv_val, SLAPD_SCHEMA_DN ) == 0 ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                       "do_modrdn: attempt to modify subschema subentry\n" ));
+#else
+               Debug( LDAP_DEBUG_ANY, "do_modrdn: subschema subentry!\n", 0, 0, 0 );
+#endif
+
+               send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
+                       NULL, "cannot rename subschema subentry", NULL, NULL );
+               goto cleanup;
+#endif
+       }
+
+       /* FIXME: should have/use rdnPretty / rdnNormalize routines */
+
+       rc = dnPrettyNormal( NULL, &newrdn, &pnewrdn, &nnewrdn );
+       if( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+                       "do_modrdn: conn %d  invalid newrdn (%s)\n",
+                       conn->c_connid, newrdn.bv_val ));
+#else
+               Debug( LDAP_DEBUG_ANY,
+                       "do_modrdn: invalid newrdn (%s)\n", newrdn.bv_val, 0, 0 );
+#endif
+               send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
+                   "invalid new RDN", NULL, NULL );
+               goto cleanup;
+       }
+
+       if( rdnValidate( &pnewrdn ) != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+                       "do_modrdn: invalid rdn (%s).\n", pnewrdn.bv_val ));
+#else
+               Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid rdn (%s)\n",
+                       pnewrdn.bv_val, 0, 0 );
+#endif
+
+               send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
+                   "invalid new RDN", NULL, NULL );
+               goto cleanup;
+       }
+
+       if( pnewS ) {
+               rc = dnPrettyNormal( NULL, &newSuperior, &pnewSuperior,
+                       &nnewSuperior );
+               if( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+                       LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
+                               "do_modrdn: conn %d  invalid newSuperior (%s)\n",
+                               conn->c_connid, newSuperior.bv_val ));
+#else
+                       Debug( LDAP_DEBUG_ANY,
+                               "do_modrdn: invalid newSuperior (%s)\n",
+                               newSuperior.bv_val, 0, 0 );
+#endif
+                       send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
+                               "invalid newSuperior", NULL, NULL );
+                       goto cleanup;
+               }
+       }
+
+       Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MODRDN dn=\"%s\"\n",
+           op->o_connid, op->o_opid, pdn.bv_val, 0, 0 );
+
+       manageDSAit = get_manageDSAit( op );
 
        /*
         * We could be serving multiple database backends.  Select the
         * appropriate one, or send a referral to our "referral server"
         * if we don't hold it.
         */
+       if ( (be = select_backend( &ndn, manageDSAit, 0 )) == NULL ) {
+               BerVarray ref = referral_rewrite( default_referral,
+                       NULL, &pdn, LDAP_SCOPE_DEFAULT );
+
+               send_ldap_result( conn, op, rc = LDAP_REFERRAL,
+                       NULL, NULL, ref ? ref : default_referral, NULL );
+
+               ber_bvarray_free( ref );
+               goto cleanup;
+       }
+
+       /* check restrictions */
+       rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
+       if( rc != LDAP_SUCCESS ) {
+               send_ldap_result( conn, op, rc,
+                       NULL, text, NULL, NULL );
+               goto cleanup;
+       }
+
+       /* check for referrals */
+       rc = backend_check_referrals( be, conn, op, &pdn, &ndn );
+       if ( rc != LDAP_SUCCESS ) {
+               goto cleanup;
+       }
+
+       /* Make sure that the entry being changed and the newSuperior are in 
+        * the same backend, otherwise we return an error.
+        */
+       if( pnewS ) {
+               newSuperior_be = select_backend( &nnewSuperior, 0, 0 );
+
+               if ( newSuperior_be != be ) {
+                       /* newSuperior is in same backend */
+                       rc = LDAP_AFFECTS_MULTIPLE_DSAS;
 
-       if ( (be = select_backend( dn )) == NULL ) {
-               free( dn );
-               free( odn );
-               free( newrdn );
-               send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
-                   default_referral );
-               return;
+                       send_ldap_result( conn, op, rc,
+                               NULL, "cannot rename between DSAa", NULL, NULL );
+
+                       goto cleanup;
+               }
+
+               /* deref suffix alias if appropriate */
+               suffix_alias( be, &nnewSuperior );
        }
 
+       /* deref suffix alias if appropriate */
+       suffix_alias( be, &ndn );
+
        /*
         * do the add if 1 && (2 || 3)
         * 1) there is an add function implemented in this backend;
         * 2) this backend is master for what it holds;
-        * 3) it's a replica and the dn supplied is the updatedn.
+        * 3) it's a replica and the dn supplied is the update_ndn.
         */
-       if ( be->be_modrdn != NULL ) {
+       if ( be->be_modrdn ) {
                /* do the update here */
-               if ( be->be_updatedn == NULL || strcasecmp( be->be_updatedn,
-                   op->o_dn ) == 0 ) {
-                       if ( (*be->be_modrdn)( be, conn, op, dn, newrdn,
-                           deloldrdn ) == 0 ) {
-                               replog( be, LDAP_REQ_MODRDN, odn, newrdn,
-                                   deloldrdn );
+               int repl_user = be_isupdate( be, &op->o_ndn );
+#ifndef SLAPD_MULTIMASTER
+               if ( !be->be_update_ndn.bv_len || repl_user )
+#endif
+               {
+                       if ( (*be->be_modrdn)( be, conn, op, &pdn, &ndn,
+                               &pnewrdn, &nnewrdn, deloldrdn,
+                               pnewS, nnewS ) == 0
+#ifdef SLAPD_MULTIMASTER
+                               && ( !be->be_update_ndn.bv_len || !repl_user )
+#endif
+                       ) {
+                               struct slap_replog_moddn moddn;
+                               moddn.newrdn = &pnewrdn;
+                               moddn.deloldrdn = deloldrdn;
+                               moddn.newsup = &pnewSuperior;
+
+                               replog( be, op, &pdn, &ndn, &moddn );
                        }
+#ifndef SLAPD_MULTIMASTER
                } else {
-                       send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
-                           default_referral );
+                       BerVarray defref = be->be_update_refs
+                               ? be->be_update_refs : default_referral;
+                       BerVarray ref = referral_rewrite( defref,
+                               NULL, &pdn, LDAP_SCOPE_DEFAULT );
+
+                       send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
+                               ref ? ref : defref, NULL );
+
+                       ber_bvarray_free( ref );
+#endif
                }
        } else {
-               send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM, NULL,
-                   "Function not implemented" );
+               send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
+                       NULL, "operation not supported within namingContext",
+                       NULL, NULL );
        }
 
-       free( dn );
-       free( odn );
-       free( newrdn );
+cleanup:
+       free( pdn.bv_val );
+       free( ndn.bv_val );
+
+       free( pnewrdn.bv_val ); 
+       free( nnewrdn.bv_val ); 
+
+       if ( pnewSuperior.bv_val ) free( pnewSuperior.bv_val );
+       if ( nnewSuperior.bv_val ) free( nnewSuperior.bv_val );
+
+       return rc;
 }