]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/modify.c
Read LDAPResult.resultCode & ModifyRequest.modification.operation
[openldap] / servers / slapd / modify.c
index eed665eda69c70d49a4eae93fefa774fd5c8958a..7620c284a49dd09edd0bf215a06241eb8e8cd179 100644 (file)
@@ -1,7 +1,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2005 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
 #include <ac/string.h>
 #include <ac/time.h>
 
-#include "ldap_pvt.h"
 #include "slap.h"
-#ifdef LDAP_SLAPI
-#include "slapi/slapi.h"
-#endif
 #include "lutil.h"
 
 
@@ -50,20 +46,11 @@ do_modify(
        ber_len_t       len;
        Modifications   *modlist = NULL;
        Modifications   **modtail = &modlist;
-#ifdef LDAP_DEBUG
-       Modifications *tmp;
-#endif
-#ifdef LDAP_SLAPI
-       LDAPMod         **modv = NULL;
-#endif
-       int manageDSAit;
-       int increment = 0;
+       int             increment = 0;
+       char            textbuf[ SLAP_TEXT_BUFLEN ];
+       size_t          textlen = sizeof( textbuf );
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ENTRY, "do_modify: enter\n", 0, 0, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE, "do_modify\n", 0, 0, 0 );
-#endif
 
        /*
         * Parse the modify request.  It looks like this:
@@ -85,21 +72,13 @@ do_modify(
         */
 
        if ( ber_scanf( op->o_ber, "{m" /*}*/, &dn ) == LBER_ERROR ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ERR, "do_modify: ber_scanf failed\n", 0, 0, 0 );
-#else
                Debug( LDAP_DEBUG_ANY, "do_modify: ber_scanf failed\n", 0, 0, 0 );
-#endif
 
                send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
                return SLAPD_DISCONNECT;
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
-#else
        Debug( LDAP_DEBUG_ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
-#endif
 
        /* collect modifications & save for later */
        for ( tag = ber_first_element( op->o_ber, &len, &last );
@@ -111,7 +90,7 @@ do_modify(
 
                tmp.sml_nvalues = NULL;
 
-               if ( ber_scanf( op->o_ber, "{i{m[W]}}", &mop,
+               if ( ber_scanf( op->o_ber, "{e{m[W]}}", &mop,
                    &tmp.sml_type, &tmp.sml_values ) == LBER_ERROR )
                {
                        send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR,
@@ -122,6 +101,7 @@ do_modify(
 
                mod = (Modifications *) ch_malloc( sizeof(Modifications) );
                mod->sml_op = mop;
+               mod->sml_flags = 0;
                mod->sml_type = tmp.sml_type;
                mod->sml_values = tmp.sml_values;
                mod->sml_nvalues = NULL;
@@ -132,15 +112,9 @@ do_modify(
                switch( mop ) {
                case LDAP_MOD_ADD:
                        if ( mod->sml_values == NULL ) {
-#ifdef NEW_LOGGING
-                               LDAP_LOG( OPERATION, ERR, 
-                                       "do_modify: modify/add operation (%ld) requires values\n",
-                                       (long)mop, 0, 0 );
-#else
                                Debug( LDAP_DEBUG_ANY,
                                        "do_modify: modify/add operation (%ld) requires values\n",
                                        (long) mop, 0, 0 );
-#endif
 
                                send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
                                        "modify/add operation requires values" );
@@ -157,15 +131,9 @@ do_modify(
                        if( op->o_protocol >= LDAP_VERSION3 ) {
                                increment++;
                                if ( mod->sml_values == NULL ) {
-#ifdef NEW_LOGGING
-                                       LDAP_LOG( OPERATION, ERR, "do_modify: "
-                                               "modify/increment operation (%ld) requires value\n",
-                                               (long)mop, 0, 0 );
-#else
                                        Debug( LDAP_DEBUG_ANY, "do_modify: "
                                                "modify/increment operation (%ld) requires value\n",
                                                (long) mop, 0, 0 );
-#endif
 
                                        send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
                                                "modify/increment operation requires value" );
@@ -173,15 +141,9 @@ do_modify(
                                }
 
                                if( mod->sml_values[1].bv_val ) {
-#ifdef NEW_LOGGING
-                                       LDAP_LOG( OPERATION, ERR, "do_modify: modify/increment "
-                                               "operation (%ld) requires single value\n",
-                                               (long)mop, 0, 0 );
-#else
                                        Debug( LDAP_DEBUG_ANY, "do_modify: modify/increment "
                                                "operation (%ld) requires single value\n",
                                                (long) mop, 0, 0 );
-#endif
 
                                        send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
                                                "modify/increment operation requires single value" );
@@ -193,15 +155,9 @@ do_modify(
                        /* fall thru */
 
                default: {
-#ifdef NEW_LOGGING
-                               LDAP_LOG( OPERATION, ERR, 
-                                       "do_modify: unrecognized modify operation (%ld)\n",
-                                       (long)mop, 0, 0 );
-#else
                                Debug( LDAP_DEBUG_ANY,
                                        "do_modify: unrecognized modify operation (%ld)\n",
                                        (long) mop, 0, 0 );
-#endif
 
                                send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
                                        "unrecognized modify operation" );
@@ -214,11 +170,7 @@ do_modify(
        *modtail = NULL;
 
        if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ERR, "do_modify: get_ctrls failed\n", 0, 0, 0 );
-#else
                Debug( LDAP_DEBUG_ANY, "do_modify: get_ctrls failed\n", 0, 0, 0 );
-#endif
 
                goto cleanup;
        }
@@ -226,36 +178,60 @@ do_modify(
        rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
                op->o_tmpmemctx );
        if( rs->sr_err != LDAP_SUCCESS ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, INFO, "do_modify: conn %d  invalid dn (%s)\n",
-                       op->o_connid, dn.bv_val, 0 );
-#else
                Debug( LDAP_DEBUG_ANY,
                        "do_modify: invalid dn (%s)\n", dn.bv_val, 0, 0 );
-#endif
                send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
                goto cleanup;
        }
 
+       rs->sr_err = slap_mods_check( modlist, &rs->sr_text,
+               textbuf, textlen, NULL );
+
+       if ( rs->sr_err != LDAP_SUCCESS ) {
+               send_ldap_result( op, rs );
+               goto cleanup;
+       }
+
+       /* FIXME: needs review */
+       op->orm_modlist = modlist;
+       op->orm_increment = increment;
+
+       op->o_bd = frontendDB;
+       rs->sr_err = frontendDB->be_modify( op, rs );
+
+cleanup:
+       slap_graduate_commit_csn( op );
+
+       op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
+       op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
+       if ( op->orm_modlist != NULL ) slap_mods_free( op->orm_modlist, 1 );
+
+       return rs->sr_err;
+}
+
+int
+fe_op_modify( Operation *op, SlapReply *rs )
+{
+#ifdef LDAP_DEBUG
+       Modifications   *tmp;
+#endif
+       int             manageDSAit;
+       Modifications   *modlist = op->orm_modlist;
+       Modifications   **modtail = &modlist;
+       int             increment = op->orm_increment;
+       BackendDB *op_be;
+       char            textbuf[ SLAP_TEXT_BUFLEN ];
+       size_t          textlen = sizeof( textbuf );
+       
        if( op->o_req_ndn.bv_len == 0 ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ERR, 
-                       "do_modify: attempt to modify root DSE.\n",0, 0, 0 );
-#else
                Debug( LDAP_DEBUG_ANY, "do_modify: root dse!\n", 0, 0, 0 );
-#endif
 
                send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
                        "modify upon the root DSE not supported" );
                goto cleanup;
 
-       } else if ( bvmatch( &op->o_req_ndn, &global_schemandn ) ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ERR,
-                       "do_modify: attempt to modify subschema subentry.\n" , 0, 0, 0  );
-#else
+       } else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
                Debug( LDAP_DEBUG_ANY, "do_modify: subschema subentry!\n", 0, 0, 0 );
-#endif
 
                send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
                        "modification of subschema subentry not supported" );
@@ -263,31 +239,9 @@ do_modify(
        }
 
 #ifdef LDAP_DEBUG
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, DETAIL1, "do_modify: modifications:\n", 0, 0, 0  );
-#else
        Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
-#endif
 
        for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, DETAIL1, "\t%s:  %s\n", 
-                       tmp->sml_op == LDAP_MOD_ADD ? "add" :
-                               (tmp->sml_op == LDAP_MOD_INCREMENT ? "increment" :
-                                       (tmp->sml_op == LDAP_MOD_DELETE ? "delete" :
-                                               "replace")), tmp->sml_type.bv_val, 0 );
-
-               if ( tmp->sml_values == NULL ) {
-                       LDAP_LOG( OPERATION, DETAIL1, "\t\tno values", 0, 0, 0 );
-               } else if ( tmp->sml_values[0].bv_val == NULL ) {
-                       LDAP_LOG( OPERATION, DETAIL1, "\t\tzero values", 0, 0, 0 );
-               } else if ( tmp->sml_values[1].bv_val == NULL ) {
-                       LDAP_LOG( OPERATION, DETAIL1, "\t\tone value", 0, 0, 0 );
-               } else {
-                       LDAP_LOG( OPERATION, DETAIL1, "\t\tmultiple values", 0, 0, 0 );
-               }
-
-#else
                Debug( LDAP_DEBUG_ARGS, "\t%s: %s\n",
                        tmp->sml_op == LDAP_MOD_ADD ? "add" :
                                (tmp->sml_op == LDAP_MOD_INCREMENT ? "increment" :
@@ -307,27 +261,26 @@ do_modify(
                        Debug( LDAP_DEBUG_ARGS, "%s\n",
                           "\t\tmultiple values", NULL, NULL );
                }
-#endif
        }
 
        if ( StatslogTest( LDAP_DEBUG_STATS ) ) {
                char abuf[BUFSIZ/2], *ptr = abuf;
                int len = 0;
 
-               Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD dn=\"%s\"\n",
-                       op->o_connid, op->o_opid, dn.bv_val, 0, 0 );
+               Statslog( LDAP_DEBUG_STATS, "%s MOD dn=\"%s\"\n",
+                       op->o_log_prefix, op->o_req_dn.bv_val, 0, 0, 0 );
 
                for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
                        if (len + 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
-                               Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
-                                   op->o_connid, op->o_opid, abuf, 0, 0 );
+                               Statslog( LDAP_DEBUG_STATS, "%s MOD attr=%s\n",
+                                   op->o_log_prefix, abuf, 0, 0, 0 );
 
-                       len = 0;
+                               len = 0;
                                ptr = abuf;
 
                                if( 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
-                                       Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
-                                               op->o_connid, op->o_opid, tmp->sml_type.bv_val, 0, 0 );
+                                       Statslog( LDAP_DEBUG_STATS, "%s MOD attr=%s\n",
+                                               op->o_log_prefix, tmp->sml_type.bv_val, 0, 0, 0 );
                                        continue;
                                }
                        }
@@ -339,8 +292,8 @@ do_modify(
                        len += tmp->sml_type.bv_len;
                }
                if (len) {
-                       Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
-                               op->o_connid, op->o_opid, abuf, 0, 0 );
+                       Statslog( LDAP_DEBUG_STATS, "%s MOD attr=%s\n",
+                               op->o_log_prefix, abuf, 0, 0, 0 );
                }
        }
 #endif /* LDAP_DEBUG */
@@ -352,7 +305,7 @@ do_modify(
         * appropriate one, or send a referral to our "referral server"
         * if we don't hold it.
         */
-       op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
+       op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 1 );
        if ( op->o_bd == NULL ) {
                rs->sr_ref = referral_rewrite( default_referral,
                        NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
@@ -360,16 +313,26 @@ do_modify(
 
                if (rs->sr_ref != NULL ) {
                        rs->sr_err = LDAP_REFERRAL;
+                       op->o_bd = frontendDB;
                        send_ldap_result( op, rs );
+                       op->o_bd = NULL;
 
                        if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
                } else {
+                       op->o_bd = frontendDB;
                        send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
                                "no global superior knowledge" );
+                       op->o_bd = NULL;
                }
                goto cleanup;
        }
 
+       /* If we've got a glued backend, check the real backend */
+       op_be = op->o_bd;
+       if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
+               op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
+       }
+
        /* check restrictions */
        if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
                send_ldap_result( op, rs );
@@ -381,76 +344,21 @@ do_modify(
                goto cleanup;
        }
 
+       {
+               rs->sr_err = slap_mods_obsolete_check( op, modlist,
+                       &rs->sr_text, textbuf, textlen );
+               if ( rs->sr_err != LDAP_SUCCESS ) {
+                       send_ldap_result( op, rs );
+                       goto cleanup;
+               }
+       }
+
        /* check for modify/increment support */
        if( increment && !SLAP_INCREMENT( op->o_bd ) ) {
                send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
                        "modify/increment not supported in context" );
        }
 
-#if defined( LDAP_SLAPI )
-#define pb     op->o_pb
-       if ( pb ) {
-               slapi_int_pblock_set_operation( pb, op );
-               slapi_pblock_set( pb, SLAPI_MODIFY_TARGET, (void *)dn.bv_val );
-               slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
-               modv = slapi_int_modifications2ldapmods( &modlist );
-               slapi_pblock_set( pb, SLAPI_MODIFY_MODS, (void *)modv );
-
-               rs->sr_err = slapi_int_call_plugins( op->o_bd,
-                       SLAPI_PLUGIN_PRE_MODIFY_FN, pb );
-               if ( rs->sr_err < 0 ) {
-                       /*
-                        * A preoperation plugin failure will abort the
-                        * entire operation.
-                        */
-#ifdef NEW_LOGGING
-                       LDAP_LOG( OPERATION, INFO,
-                               "do_modify: modify preoperation plugin failed\n",
-                               0, 0, 0 );
-#else
-                       Debug(LDAP_DEBUG_TRACE,
-                               "do_modify: modify preoperation plugin failed.\n",
-                               0, 0, 0);
-#endif
-                       if ( ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE,
-                               (void *)&rs->sr_err ) != 0 ) || rs->sr_err == LDAP_SUCCESS )
-                       {
-                               rs->sr_err = LDAP_OTHER;
-                       }
-                       slapi_int_free_ldapmods( modv );
-                       modv = NULL;
-                       goto cleanup;
-               }
-
-               /*
-                * It's possible that the preoperation plugin changed the
-                * modification array, so we need to convert it back to
-                * a Modification list.
-                *
-                * Calling slapi_int_modifications2ldapmods() destroyed modlist so
-                * we don't need to free it.
-                */
-               slapi_pblock_get( pb, SLAPI_MODIFY_MODS, (void **)&modv );
-               modlist = slapi_int_ldapmods2modifications( modv );
-       }
-
-       /*
-        * NB: it is valid for the plugin to return no modifications
-        * (for example, a plugin might store some attributes elsewhere
-        * and remove them from the modification list; if only those
-        * attribute types were included in the modification request,
-        * then slapi_int_ldapmods2modifications() above will return
-        * NULL).
-        *
-        * However, the post-operation plugin should still be 
-        * called.
-        */
-       if ( modlist == NULL ) {
-               rs->sr_err = LDAP_SUCCESS;
-               send_ldap_result( op, rs );
-       } else {
-#endif /* defined( LDAP_SLAPI ) */
-
        /*
         * do the modify if 1 && (2 || 3)
         * 1) there is a modify function implemented in this backend;
@@ -468,17 +376,18 @@ do_modify(
                if ( !SLAP_SHADOW(op->o_bd) || repl_user )
 #endif
                {
-                       int update = op->o_bd->be_update_ndn.bv_len;
-                       char textbuf[SLAP_TEXT_BUFLEN];
-                       size_t textlen = sizeof textbuf;
-                       slap_callback cb = { NULL, slap_replog_cb, NULL, NULL };
+                       int             update = !BER_BVISEMPTY( &op->o_bd->be_update_ndn );
+                       slap_callback   cb = { NULL, slap_replog_cb, NULL, NULL };
 
-                       rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
-                               textbuf, textlen, NULL );
+                       op->o_bd = op_be;
 
-                       if( rs->sr_err != LDAP_SUCCESS ) {
-                               send_ldap_result( op, rs );
-                               goto cleanup;
+                       if ( !update ) {
+                               rs->sr_err = slap_mods_no_user_mod_check( op, modlist,
+                                       &rs->sr_text, textbuf, textlen );
+                               if ( rs->sr_err != LDAP_SUCCESS ) {
+                                       send_ldap_result( op, rs );
+                                       goto cleanup;
+                               }
                        }
 
                        if ( !repl_user ) {
@@ -490,7 +399,7 @@ do_modify(
                                }
 
                                rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
-                                       &rs->sr_text, textbuf, textlen );
+                                       &rs->sr_text, textbuf, textlen, 1 );
                                if( rs->sr_err != LDAP_SUCCESS ) {
                                        send_ldap_result( op, rs );
                                        goto cleanup;
@@ -502,7 +411,8 @@ do_modify(
                        if ( !repl_user )
 #endif
                        {
-                               /* but we log only the ones not from a replicator user */
+                               /* but multimaster slapd logs only the ones 
+                                * not from a replicator user */
                                cb.sc_next = op->o_callback;
                                op->o_callback = &cb;
                        }
@@ -517,12 +427,17 @@ do_modify(
                                rs->sr_ref = referral_rewrite( defref,
                                        NULL, &op->o_req_dn,
                                        LDAP_SCOPE_DEFAULT );
-                               if (!rs->sr_ref) rs->sr_ref = defref;
+                               if ( rs->sr_ref == NULL ) {
+                                       /* FIXME: must duplicate, because
+                                        * overlays may muck with it */
+                                       rs->sr_ref = defref;
+                               }
                                rs->sr_err = LDAP_REFERRAL;
                                send_ldap_result( op, rs );
-                               if (rs->sr_ref != defref) {
+                               if ( rs->sr_ref != defref ) {
                                        ber_bvarray_free( rs->sr_ref );
                                }
+
                        } else {
                                send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
                                        "shadow context; no update referral" );
@@ -534,32 +449,108 @@ do_modify(
                    "operation not supported within namingContext" );
        }
 
-#if defined( LDAP_SLAPI )
-       } /* modlist != NULL */
+cleanup:;
+       return rs->sr_err;
+}
 
-       if ( pb != NULL && slapi_int_call_plugins( op->o_bd,
-               SLAPI_PLUGIN_POST_MODIFY_FN, pb ) < 0 )
-       {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, INFO,
-                       "do_modify: modify postoperation plugins failed\n", 0, 0, 0 );
-#else
-               Debug(LDAP_DEBUG_TRACE,
-                       "do_modify: modify postoperation plugins failed.\n", 0, 0, 0);
-#endif
+/*
+ * Obsolete constraint checking.
+ */
+int
+slap_mods_obsolete_check(
+       Operation *op,
+       Modifications *ml,
+       const char **text,
+       char *textbuf,
+       size_t textlen )
+{
+       if( get_manageDIT( op ) ) return LDAP_SUCCESS;
+
+       for ( ; ml != NULL; ml = ml->sml_next ) {
+               if ( is_at_obsolete( ml->sml_desc->ad_type ) &&
+                       (( ml->sml_op != LDAP_MOD_REPLACE &&
+                               ml->sml_op != LDAP_MOD_DELETE ) ||
+                                       ml->sml_values != NULL ))
+               {
+                       /*
+                        * attribute is obsolete,
+                        * only allow replace/delete with no values
+                        */
+                       snprintf( textbuf, textlen,
+                               "%s: attribute is obsolete",
+                               ml->sml_type.bv_val );
+                       *text = textbuf;
+                       return LDAP_CONSTRAINT_VIOLATION;
+               }
        }
-#endif /* defined( LDAP_SLAPI ) */
 
-cleanup:
-       slap_graduate_commit_csn( op );
+       return LDAP_SUCCESS;
+}
 
-       op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
-       op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
-       if ( modlist != NULL ) slap_mods_free( modlist );
-#if defined( LDAP_SLAPI )
-       if ( modv != NULL ) slapi_int_free_ldapmods( modv );
-#endif
-       return rs->sr_err;
+/*
+ * No-user-modification constraint checking.
+ */
+int
+slap_mods_no_user_mod_check(
+       Operation *op,
+       Modifications *ml,
+       const char **text,
+       char *textbuf,
+       size_t textlen )
+{
+       for ( ; ml != NULL; ml = ml->sml_next ) {
+               if ( !is_at_no_user_mod( ml->sml_desc->ad_type ) ) continue;
+
+               if( get_manageDIT( op )) {
+                       if ( ml->sml_desc->ad_type->sat_flags & SLAP_AT_MANAGEABLE ) {
+                               continue;
+                       }
+
+                       /* attribute not manageable */
+                       snprintf( textbuf, textlen,
+                               "%s: no-user-modification attribute not manageable",
+                               ml->sml_type.bv_val );
+
+               } else {
+                       /* user modification disallowed */
+                       snprintf( textbuf, textlen,
+                               "%s: no user modification allowed",
+                               ml->sml_type.bv_val );
+               }
+
+               *text = textbuf;
+               return LDAP_CONSTRAINT_VIOLATION;
+       }
+
+       return LDAP_SUCCESS;
+}
+
+int
+slap_mods_no_repl_user_mod_check(
+       Operation *op,
+       Modifications *ml,
+       const char **text,
+       char *textbuf,
+       size_t textlen )
+{
+       Modifications *mods;
+       Modifications *modp;
+
+       for ( mods = ml; mods != NULL; mods = mods->sml_next ) {
+               assert( mods->sml_op == LDAP_MOD_ADD );
+
+               /* check doesn't already appear */
+               for ( modp = ml; modp != NULL; modp = modp->sml_next ) {
+                       if ( mods->sml_desc == modp->sml_desc && mods != modp ) {
+                               snprintf( textbuf, textlen,
+                                       "attribute '%s' provided more than once",
+                                       mods->sml_desc->ad_cname.bv_val );
+                               return LDAP_TYPE_OR_VALUE_EXISTS;
+                       }
+               }
+       }
+
+       return LDAP_SUCCESS;
 }
 
 /*
@@ -567,7 +558,6 @@ cleanup:
  */
 int slap_mods_check(
        Modifications *ml,
-       int update,
        const char **text,
        char *textbuf,
        size_t textlen,
@@ -579,13 +569,14 @@ int slap_mods_check(
                AttributeDescription *ad = NULL;
 
                /* convert to attribute description */
-               rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
-
-               if( rc != LDAP_SUCCESS ) {
-                       snprintf( textbuf, textlen, "%s: %s",
-                               ml->sml_type.bv_val, *text );
-                       *text = textbuf;
-                       return rc;
+               if ( ml->sml_desc == NULL ) {
+                       rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
+                       if( rc != LDAP_SUCCESS ) {
+                               snprintf( textbuf, textlen, "%s: %s",
+                                       ml->sml_type.bv_val, *text );
+                               *text = textbuf;
+                               return rc;
+                       }
                }
 
                ad = ml->sml_desc;
@@ -604,7 +595,7 @@ int slap_mods_check(
                if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
                        && slap_ad_is_binary( ad ))
                {
-                       /* attribute requires binary transfer */
+                       /* attribute does not require binary transfer */
                        snprintf( textbuf, textlen,
                                "%s: disallows ;binary transfer",
                                ml->sml_type.bv_val );
@@ -621,15 +612,7 @@ int slap_mods_check(
                        return LDAP_UNDEFINED_TYPE;
                }
 
-               if (!update && is_at_no_user_mod( ad->ad_type )) {
-                       /* user modification disallowed */
-                       snprintf( textbuf, textlen,
-                               "%s: no user modification allowed",
-                               ml->sml_type.bv_val );
-                       *text = textbuf;
-                       return LDAP_CONSTRAINT_VIOLATION;
-               }
-
+#if 0
                if ( is_at_obsolete( ad->ad_type ) &&
                        (( ml->sml_op != LDAP_MOD_REPLACE &&
                                ml->sml_op != LDAP_MOD_DELETE ) ||
@@ -645,6 +628,7 @@ int slap_mods_check(
                        *text = textbuf;
                        return LDAP_CONSTRAINT_VIOLATION;
                }
+#endif
 
                if ( ml->sml_op == LDAP_MOD_INCREMENT &&
 #ifdef SLAPD_REAL_SYNTAX
@@ -745,15 +729,9 @@ int slap_mods_check(
                                                ad->ad_type->sat_equality,
                                                &ml->sml_values[nvals], &ml->sml_nvalues[nvals], ctx );
                                        if( rc ) {
-#ifdef NEW_LOGGING
-                                               LDAP_LOG( OPERATION, DETAIL1,
-                                                       "str2entry:  NULL (ssyn_normalize %d)\n",
-                                                       rc, 0, 0 );
-#else
                                                Debug( LDAP_DEBUG_ANY,
                                                        "<= str2entry NULL (ssyn_normalize %d)\n",
                                                        rc, 0, 0 );
-#endif
                                                snprintf( textbuf, textlen,
                                                        "%s: value #%ld normalization failed",
                                                        ml->sml_type.bv_val, (long) nvals );
@@ -766,59 +744,37 @@ int slap_mods_check(
                                ml->sml_nvalues[nvals].bv_len = 0;
                        }
 
-                       if( nvals ) {
-                               /* check for duplicates */
-                               int             i, j;
+                       /* check for duplicates, but ignore Deletes.
+                        */
+                       if( nvals > 1 && ml->sml_op != LDAP_MOD_DELETE ) {
+                               int             i, j, rc, match;
                                MatchingRule *mr = ad->ad_type->sat_equality;
 
-                               /* check if the values we're adding already exist */
-                               if( mr == NULL || !mr->smr_match ) {
-                                       for ( i = 1; ml->sml_values[i].bv_val != NULL; i++ ) {
-                                               /* test asserted values against themselves */
-                                               for( j = 0; j < i; j++ ) {
-                                                       if ( bvmatch( &ml->sml_values[i],
-                                                               &ml->sml_values[j] ) )
-                                                       {
-                                                               /* value exists already */
-                                                               snprintf( textbuf, textlen,
-                                                                       "%s: value #%d provided more than once",
-                                                                       ml->sml_desc->ad_cname.bv_val, j );
-                                                               *text = textbuf;
-                                                               return LDAP_TYPE_OR_VALUE_EXISTS;
-                                                       }
-                                               }
-                                       }
-
-                               } else {
-                                       int rc;
-                                       int match;
-
-                                       for ( i = 1; ml->sml_values[i].bv_val != NULL; i++ ) {
-                                               /* test asserted values against themselves */
-                                               for( j = 0; j < i; j++ ) {
-                                                       rc = value_match( &match, ml->sml_desc, mr,
-                                                               SLAP_MR_EQUALITY
-                                                                       | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX
-                                                                       | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
-                                                                       | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
-                                                               ml->sml_nvalues
-                                                                       ? &ml->sml_nvalues[i]
-                                                                       : &ml->sml_values[i],
-                                                               ml->sml_nvalues
-                                                                       ? &ml->sml_nvalues[j]
-                                                                       : &ml->sml_values[j],
-                                                               text );
-                                                       if ( rc == LDAP_SUCCESS && match == 0 ) {
-                                                               /* value exists already */
-                                                               snprintf( textbuf, textlen,
-                                                                       "%s: value #%d provided more than once",
-                                                                       ml->sml_desc->ad_cname.bv_val, j );
-                                                               *text = textbuf;
-                                                               return LDAP_TYPE_OR_VALUE_EXISTS;
-
-                                                       } else if ( rc != LDAP_SUCCESS ) {
-                                                               return rc;
-                                                       }
+                               for ( i = 1; i < nvals ; i++ ) {
+                                       /* test asserted values against themselves */
+                                       for( j = 0; j < i; j++ ) {
+                                               rc = ordered_value_match( &match, ml->sml_desc, mr,
+                                                       SLAP_MR_EQUALITY
+                                                               | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX
+                                                               | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
+                                                               | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
+                                                       ml->sml_nvalues
+                                                               ? &ml->sml_nvalues[i]
+                                                               : &ml->sml_values[i],
+                                                       ml->sml_nvalues
+                                                               ? &ml->sml_nvalues[j]
+                                                               : &ml->sml_values[j],
+                                                       text );
+                                               if ( rc == LDAP_SUCCESS && match == 0 ) {
+                                                       /* value exists already */
+                                                       snprintf( textbuf, textlen,
+                                                               "%s: value #%d provided more than once",
+                                                               ml->sml_desc->ad_cname.bv_val, j );
+                                                       *text = textbuf;
+                                                       return LDAP_TYPE_OR_VALUE_EXISTS;
+
+                                               } else if ( rc != LDAP_SUCCESS ) {
+                                                       return rc;
                                                }
                                        }
                                }
@@ -830,12 +786,35 @@ int slap_mods_check(
        return LDAP_SUCCESS;
 }
 
+/* Enter with bv->bv_len = sizeof buffer, returns with
+ * actual length of string
+ */
+void slap_timestamp( time_t *tm, struct berval *bv )
+{
+       struct tm *ltm;
+#ifdef HAVE_GMTIME_R
+       struct tm ltm_buf;
+
+       ltm = gmtime_r( tm, &ltm_buf );
+#else
+       ldap_pvt_thread_mutex_lock( &gmtime_mutex );
+       ltm = gmtime( tm );
+#endif
+
+       bv->bv_len = lutil_gentime( bv->bv_val, bv->bv_len, ltm );
+
+#ifndef HAVE_GMTIME_R
+       ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
+#endif
+}
+
 int slap_mods_opattrs(
        Operation *op,
        Modifications *mods,
        Modifications **modtail,
        const char **text,
-       char *textbuf, size_t textlen )
+       char *textbuf, size_t textlen,
+       int manage_ctxcsn )
 {
        struct berval name, timestamp, csn;
        struct berval nname;
@@ -850,32 +829,17 @@ int slap_mods_opattrs(
        assert( *modtail == NULL );
 
        if ( SLAP_LASTMOD( op->o_bd )) {
-               struct tm *ltm;
-#ifdef HAVE_GMTIME_R
-               struct tm ltm_buf;
-#endif
                time_t now = slap_get_time();
 
-#ifdef HAVE_GMTIME_R
-               ltm = gmtime_r( &now, &ltm_buf );
-#else
-               ldap_pvt_thread_mutex_lock( &gmtime_mutex );
-               ltm = gmtime( &now );
-#endif /* HAVE_GMTIME_R */
-               lutil_gentime( timebuf, sizeof(timebuf), ltm );
-
-               slap_get_csn( op, csnbuf, sizeof(csnbuf), &csn, 1 );
-
-#ifndef HAVE_GMTIME_R
-               ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
-#endif
+               slap_get_csn( op, csnbuf, sizeof(csnbuf), &csn, manage_ctxcsn );
 
                timestamp.bv_val = timebuf;
-               timestamp.bv_len = strlen(timebuf);
+               timestamp.bv_len = sizeof(timebuf);
+
+               slap_timestamp( &now, &timestamp );
 
                if( op->o_dn.bv_len == 0 ) {
-                       name.bv_val = SLAPD_ANONYMOUS;
-                       name.bv_len = sizeof(SLAPD_ANONYMOUS)-1;
+                       BER_BVSTR( &name, SLAPD_ANONYMOUS );
                        nname = name;
                } else {
                        name = op->o_dn;
@@ -886,13 +850,14 @@ int slap_mods_opattrs(
        if( op->o_tag == LDAP_REQ_ADD ) {
                struct berval tmpval;
 
-               if( global_schemacheck ) {
+               {
                        int rc = mods_structural_class( mods, &tmpval,
                                text, textbuf, textlen );
                        if( rc != LDAP_SUCCESS ) return rc;
 
                        mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
                        mod->sml_op = mop;
+                       mod->sml_flags = SLAP_MOD_INTERNAL;
                        mod->sml_type.bv_val = NULL;
                        mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
                        mod->sml_values =
@@ -900,13 +865,13 @@ int slap_mods_opattrs(
                        ber_dupbv( &mod->sml_values[0], &tmpval );
                        mod->sml_values[1].bv_len = 0;
                        mod->sml_values[1].bv_val = NULL;
-                       assert( mod->sml_values[0].bv_val );
+                       assert( mod->sml_values[0].bv_val != NULL );
                        mod->sml_nvalues =
                                (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
                        ber_dupbv( &mod->sml_nvalues[0], &tmpval );
                        mod->sml_nvalues[1].bv_len = 0;
                        mod->sml_nvalues[1].bv_val = NULL;
-                       assert( mod->sml_nvalues[0].bv_val );
+                       assert( mod->sml_nvalues[0].bv_val != NULL );
                        *modtail = mod;
                        modtail = &mod->sml_next;
                }
@@ -919,6 +884,7 @@ int slap_mods_opattrs(
                
                        mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
                        mod->sml_op = mop;
+                       mod->sml_flags = SLAP_MOD_INTERNAL;
                        mod->sml_type.bv_val = NULL;
                        mod->sml_desc = slap_schema.si_ad_entryUUID;
                        mod->sml_values =
@@ -926,7 +892,7 @@ int slap_mods_opattrs(
                        ber_dupbv( &mod->sml_values[0], &tmpval );
                        mod->sml_values[1].bv_len = 0;
                        mod->sml_values[1].bv_val = NULL;
-                       assert( mod->sml_values[0].bv_val );
+                       assert( mod->sml_values[0].bv_val != NULL );
                        mod->sml_nvalues =
                                (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
                        (*mod->sml_desc->ad_type->sat_equality->smr_normalize)(
@@ -941,6 +907,7 @@ int slap_mods_opattrs(
 
                        mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
                        mod->sml_op = mop;
+                       mod->sml_flags = SLAP_MOD_INTERNAL;
                        mod->sml_type.bv_val = NULL;
                        mod->sml_desc = slap_schema.si_ad_creatorsName;
                        mod->sml_values =
@@ -948,18 +915,19 @@ int slap_mods_opattrs(
                        ber_dupbv( &mod->sml_values[0], &name );
                        mod->sml_values[1].bv_len = 0;
                        mod->sml_values[1].bv_val = NULL;
-                       assert( mod->sml_values[0].bv_val );
+                       assert( mod->sml_values[0].bv_val != NULL );
                        mod->sml_nvalues =
                                (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
                        ber_dupbv( &mod->sml_nvalues[0], &nname );
                        mod->sml_nvalues[1].bv_len = 0;
                        mod->sml_nvalues[1].bv_val = NULL;
-                       assert( mod->sml_nvalues[0].bv_val );
+                       assert( mod->sml_nvalues[0].bv_val != NULL );
                        *modtail = mod;
                        modtail = &mod->sml_next;
 
                        mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
                        mod->sml_op = mop;
+                       mod->sml_flags = SLAP_MOD_INTERNAL;
                        mod->sml_type.bv_val = NULL;
                        mod->sml_desc = slap_schema.si_ad_createTimestamp;
                        mod->sml_values =
@@ -967,7 +935,7 @@ int slap_mods_opattrs(
                        ber_dupbv( &mod->sml_values[0], &timestamp );
                        mod->sml_values[1].bv_len = 0;
                        mod->sml_values[1].bv_val = NULL;
-                       assert( mod->sml_values[0].bv_val );
+                       assert( mod->sml_values[0].bv_val != NULL );
                        mod->sml_nvalues = NULL;
                        *modtail = mod;
                        modtail = &mod->sml_next;
@@ -977,44 +945,47 @@ int slap_mods_opattrs(
        if ( SLAP_LASTMOD( op->o_bd )) {
                mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
                mod->sml_op = mop;
+               mod->sml_flags = SLAP_MOD_INTERNAL;
                mod->sml_type.bv_val = NULL;
                mod->sml_desc = slap_schema.si_ad_entryCSN;
                mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
                ber_dupbv( &mod->sml_values[0], &csn );
                mod->sml_values[1].bv_len = 0;
                mod->sml_values[1].bv_val = NULL;
-               assert( mod->sml_values[0].bv_val );
+               assert( mod->sml_values[0].bv_val != NULL );
                mod->sml_nvalues = NULL;
                *modtail = mod;
                modtail = &mod->sml_next;
 
                mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
                mod->sml_op = mop;
+               mod->sml_flags = SLAP_MOD_INTERNAL;
                mod->sml_type.bv_val = NULL;
                mod->sml_desc = slap_schema.si_ad_modifiersName;
                mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
                ber_dupbv( &mod->sml_values[0], &name );
                mod->sml_values[1].bv_len = 0;
                mod->sml_values[1].bv_val = NULL;
-               assert( mod->sml_values[0].bv_val );
+               assert( mod->sml_values[0].bv_val != NULL );
                mod->sml_nvalues =
                        (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
                ber_dupbv( &mod->sml_nvalues[0], &nname );
                mod->sml_nvalues[1].bv_len = 0;
                mod->sml_nvalues[1].bv_val = NULL;
-               assert( mod->sml_nvalues[0].bv_val );
+               assert( mod->sml_nvalues[0].bv_val != NULL );
                *modtail = mod;
                modtail = &mod->sml_next;
 
                mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
                mod->sml_op = mop;
+               mod->sml_flags = SLAP_MOD_INTERNAL;
                mod->sml_type.bv_val = NULL;
                mod->sml_desc = slap_schema.si_ad_modifyTimestamp;
                mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
                ber_dupbv( &mod->sml_values[0], &timestamp );
                mod->sml_values[1].bv_len = 0;
                mod->sml_values[1].bv_val = NULL;
-               assert( mod->sml_values[0].bv_val );
+               assert( mod->sml_values[0].bv_val != NULL );
                mod->sml_nvalues = NULL;
                *modtail = mod;
                modtail = &mod->sml_next;