]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/search.c
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[openldap] / servers / slapd / search.c
index be1bf7cba9c281adf1ac22cd937c19b568fdd788..41984eac8684f403efea22f37e335b3bfcea22fd 100644 (file)
@@ -1,10 +1,18 @@
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2004 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
  */
-/* Portions
- * Copyright (c) 1995 Regents of the University of Michigan.
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms are permitted
 #include "ldap_pvt.h"
 #include "lutil.h"
 #include "slap.h"
-#include "slapi.h"
 
 #ifdef LDAP_SLAPI
-static char **anlist2charray( AttributeName *an );
-static Slapi_PBlock *initSearchPlugin( Backend *be, Connection *conn, Operation *op,
-       struct berval *base, int scope, int deref, int sizelimit, int timelimit,
-       Filter *filter, struct berval *fstr, char **attrs,
-       int attrsonly, int managedsait );
-static int doPreSearchPluginFNs( Backend *be, Slapi_PBlock *pb );
-static int doSearchRewriteFNs( Backend *be, Slapi_PBlock *pb, Filter **filter, struct berval *fstr );
-static int doPostSearchPluginFNs( Backend *be, Slapi_PBlock *pb );
+#include "slapi/slapi.h"
+
+static char **anlist2charray( Operation *op, AttributeName *an );
+static void init_search_pblock( Operation *op, char **attrs, int managedsait );
+static int call_search_preop_plugins( Operation *op );
+static int call_search_rewrite_plugins( Operation *op );
+static void call_search_postop_plugins( Operation *op );
 #endif /* LDAPI_SLAPI */
 
 int
 do_search(
-    Connection *conn,  /* where to send results */
-    Operation  *op     /* info about the op to which we're responding */
-) {
-       ber_int_t       scope, deref, attrsonly;
-       ber_int_t       sizelimit, timelimit;
-       struct berval base = { 0, NULL };
-       struct berval pbase = { 0, NULL };
-       struct berval nbase = { 0, NULL };
-       struct berval   fstr = { 0, NULL };
-       Filter          *filter = NULL;
-       AttributeName   *an = NULL;
+    Operation  *op,    /* info about the op to which we're responding */
+    SlapReply  *rs     /* all the response data we'll send */ )
+{
+       struct berval base = BER_BVNULL;
        ber_len_t       siz, off, i;
-       Backend         *be;
-       int                     rc;
-       const char      *text;
        int                     manageDSAit;
+       int                     be_manageDSAit;
 #ifdef LDAP_SLAPI
-       Slapi_PBlock    *pb = NULL;
        char            **attrs = NULL;
 #endif
 
 #ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ENTRY, "do_search: conn %d\n", conn->c_connid, 0, 0 );
+       LDAP_LOG( OPERATION, ENTRY, "do_search: conn %d\n", op->o_connid, 0, 0 );
 #else
        Debug( LDAP_DEBUG_TRACE, "do_search\n", 0, 0, 0 );
 #endif
@@ -75,7 +71,7 @@ do_search(
         *              scope           ENUMERATED {
         *                      baseObject      (0),
         *                      singleLevel     (1),
-        *                      wholeSubtree    (2)
+        *                      wholeSubtree (2)
         *              },
         *              derefAliases    ENUMERATED {
         *                      neverDerefaliases       (0),
@@ -93,108 +89,115 @@ do_search(
 
        /* baseObject, scope, derefAliases, sizelimit, timelimit, attrsOnly */
        if ( ber_scanf( op->o_ber, "{miiiib" /*}*/,
-               &base, &scope, &deref, &sizelimit,
-           &timelimit, &attrsonly ) == LBER_ERROR )
+               &base, &op->ors_scope, &op->ors_deref, &op->ors_slimit,
+           &op->ors_tlimit, &op->ors_attrsonly ) == LBER_ERROR )
        {
-               send_ldap_disconnect( conn, op,
-                       LDAP_PROTOCOL_ERROR, "decoding error" );
-               rc = SLAPD_DISCONNECT;
+               send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
+               rs->sr_err = SLAPD_DISCONNECT;
+               goto return_results;
+       }
+
+       if ( op->ors_tlimit < 0 || op->ors_tlimit > SLAP_MAX_LIMIT ) {
+               send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "invalid time limit" );
                goto return_results;
        }
 
-       switch( scope ) {
+       if ( op->ors_slimit < 0 || op->ors_slimit > SLAP_MAX_LIMIT ) {
+               send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "invalid size limit" );
+               goto return_results;
+       }
+
+       switch( op->ors_scope ) {
        case LDAP_SCOPE_BASE:
        case LDAP_SCOPE_ONELEVEL:
        case LDAP_SCOPE_SUBTREE:
                break;
        default:
-               send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
-                       NULL, "invalid scope", NULL, NULL );
+               send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "invalid scope" );
                goto return_results;
        }
 
-       switch( deref ) {
+       switch( op->ors_deref ) {
        case LDAP_DEREF_NEVER:
        case LDAP_DEREF_FINDING:
        case LDAP_DEREF_SEARCHING:
        case LDAP_DEREF_ALWAYS:
                break;
        default:
-               send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
-                       NULL, "invalid deref", NULL, NULL );
+               send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "invalid deref" );
                goto return_results;
        }
 
-       rc = dnPrettyNormal( NULL, &base, &pbase, &nbase );
-       if( rc != LDAP_SUCCESS ) {
+       rs->sr_err = dnPrettyNormal( NULL, &base, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
+       if( rs->sr_err != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
                LDAP_LOG( OPERATION, ERR, 
                        "do_search: conn %d  invalid dn (%s)\n",
-                       conn->c_connid, base.bv_val, 0 );
+                       op->o_connid, base.bv_val, 0 );
 #else
                Debug( LDAP_DEBUG_ANY,
                        "do_search: invalid dn (%s)\n", base.bv_val, 0, 0 );
 #endif
-               send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
-                   "invalid DN", NULL, NULL );
+               send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
                goto return_results;
        }
 
 #ifdef NEW_LOGGING
        LDAP_LOG( OPERATION, ARGS, "SRCH \"%s\" %d %d",
-               base.bv_val, scope, deref );
+               base.bv_val, op->ors_scope, op->ors_deref );
        LDAP_LOG( OPERATION, ARGS, "    %d %d %d\n",
-               sizelimit, timelimit, attrsonly);
+               op->ors_slimit, op->ors_tlimit, op->ors_attrsonly);
 #else
        Debug( LDAP_DEBUG_ARGS, "SRCH \"%s\" %d %d",
-               base.bv_val, scope, deref );
+               base.bv_val, op->ors_scope, op->ors_deref );
        Debug( LDAP_DEBUG_ARGS, "    %d %d %d\n",
-               sizelimit, timelimit, attrsonly);
+               op->ors_slimit, op->ors_tlimit, op->ors_attrsonly);
 #endif
 
        /* filter - returns a "normalized" version */
-       rc = get_filter( conn, op->o_ber, &filter, &text );
-       if( rc != LDAP_SUCCESS ) {
-               if( rc == SLAPD_DISCONNECT ) {
-                       send_ldap_disconnect( conn, op,
-                               LDAP_PROTOCOL_ERROR, text );
+       rs->sr_err = get_filter( op, op->o_ber, &op->ors_filter, &rs->sr_text );
+       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( conn, op, rc, 
-                                       NULL, text, NULL, NULL );
+                       send_ldap_result( op, rs );
                }
                goto return_results;
        }
-       filter2bv( filter, &fstr );
+       filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
 
 #ifdef NEW_LOGGING
        LDAP_LOG( OPERATION, ARGS, 
                "do_search: conn %d     filter: %s\n", 
-               conn->c_connid, fstr.bv_len ? fstr.bv_val : "empty", 0 );
+               op->o_connid, op->ors_filterstr.bv_len ? op->ors_filterstr.bv_val : "empty", 0 );
 #else
        Debug( LDAP_DEBUG_ARGS, "    filter: %s\n",
-               fstr.bv_len ? fstr.bv_val : "empty", 0, 0 );
+               op->ors_filterstr.bv_len ? op->ors_filterstr.bv_val : "empty", 0, 0 );
 #endif
 
        /* attributes */
        siz = sizeof(AttributeName);
-       off = 0;
-       if ( ber_scanf( op->o_ber, "{M}}", &an, &siz, off ) == LBER_ERROR ) {
-               send_ldap_disconnect( conn, op,
-                       LDAP_PROTOCOL_ERROR, "decoding attrs error" );
-               rc = SLAPD_DISCONNECT;
+       off = offsetof(AttributeName,an_name);
+       if ( ber_scanf( op->o_ber, "{M}}", &op->ors_attrs, &siz, off ) == LBER_ERROR ) {
+               send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding attrs error" );
+               rs->sr_err = SLAPD_DISCONNECT;
                goto return_results;
        }
        for ( i=0; i<siz; i++ ) {
-               an[i].an_desc = NULL;
-               an[i].an_oc = NULL;
-               slap_bv2ad(&an[i].an_name, &an[i].an_desc, &text);
+               const char *dummy;      /* ignore msgs from bv2ad */
+               op->ors_attrs[i].an_desc = NULL;
+               op->ors_attrs[i].an_oc = NULL;
+               op->ors_attrs[i].an_oc_exclude = 0;
+               slap_bv2ad(&op->ors_attrs[i].an_name, &op->ors_attrs[i].an_desc, &dummy);
        }
 
-       if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
+       if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
                LDAP_LOG( OPERATION, INFO, 
                        "do_search: conn %d  get_ctrls failed (%d)\n",
-                       conn->c_connid, rc, 0 );
+                       op->o_connid, rs->sr_err, 0 );
 #else
                Debug( LDAP_DEBUG_ANY, "do_search: get_ctrls failed\n", 0, 0, 0 );
 #endif
@@ -204,7 +207,7 @@ do_search(
 
 #ifdef NEW_LOGGING
        LDAP_LOG( OPERATION, ARGS, 
-               "do_search: conn %d     attrs:", conn->c_connid, 0, 0 );
+               "do_search: conn %d     attrs:", op->o_connid, 0, 0 );
 #else
        Debug( LDAP_DEBUG_ARGS, "    attrs:", 0, 0, 0 );
 #endif
@@ -213,9 +216,9 @@ do_search(
                for ( i = 0; i<siz; i++ ) {
 #ifdef NEW_LOGGING
                        LDAP_LOG( OPERATION, ARGS, 
-                               "do_search: %s", an[i].an_name.bv_val, 0, 0 );
+                               "do_search: %s", op->ors_attrs[i].an_name.bv_val, 0, 0 );
 #else
-                       Debug( LDAP_DEBUG_ARGS, " %s", an[i].an_name.bv_val, 0, 0 );
+                       Debug( LDAP_DEBUG_ARGS, " %s", op->ors_attrs[i].an_name.bv_val, 0, 0 );
 #endif
                }
        }
@@ -228,25 +231,32 @@ do_search(
 
        if ( StatslogTest( LDAP_DEBUG_STATS ) ) {
                char abuf[BUFSIZ/2], *ptr = abuf;
-               int len = 0;
+               int len = 0, alen;
 
+               sprintf(abuf, "scope=%d deref=%d", op->ors_scope, op->ors_deref);
                Statslog( LDAP_DEBUG_STATS,
-                       "conn=%lu op=%lu SRCH base=\"%s\" scope=%d filter=\"%s\"\n",
-                       op->o_connid, op->o_opid, pbase.bv_val, scope, fstr.bv_val );
+                       "conn=%lu op=%lu SRCH base=\"%s\" %s filter=\"%s\"\n",
+                       op->o_connid, op->o_opid, op->o_req_dn.bv_val, abuf,
+                       op->ors_filterstr.bv_val );
 
                for ( i = 0; i<siz; i++ ) {
-                       if (len + 1 + an[i].an_name.bv_len > sizeof(abuf)) {
+                       alen = op->ors_attrs[i].an_name.bv_len;
+                       if (alen >= sizeof(abuf)) {
+                               alen = sizeof(abuf)-1;
+                       }
+                       if (len && (len + 1 + alen >= sizeof(abuf))) {
                                Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu SRCH attr=%s\n",
                                    op->o_connid, op->o_opid, abuf, 0, 0 );
-                               len = 0;
+                               len = 0;
                                ptr = abuf;
                        }
                        if (len) {
                                *ptr++ = ' ';
                                len++;
                        }
-                       ptr = lutil_strcopy(ptr, an[i].an_name.bv_val);
-                       len += an[i].an_name.bv_len;
+                       ptr = lutil_strncopy(ptr, op->ors_attrs[i].an_name.bv_val, alen);
+                       len += alen;
+                       *ptr = '\0';
                }
                if (len) {
                        Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu SRCH attr=%s\n",
@@ -256,95 +266,87 @@ do_search(
 
        manageDSAit = get_manageDSAit( op );
 
-       if ( scope == LDAP_SCOPE_BASE ) {
+       /* fake while loop to allow breaking out */
+       while ( op->ors_scope == LDAP_SCOPE_BASE ) {
                Entry *entry = NULL;
 
-               if ( nbase.bv_len == 0 ) {
+               if ( op->o_req_ndn.bv_len == 0 ) {
 #ifdef LDAP_CONNECTIONLESS
                        /* Ignore LDAPv2 CLDAP Root DSE queries */
-                       if (op->o_protocol == LDAP_VERSION2 && conn->c_is_udp) {
+                       if (op->o_protocol == LDAP_VERSION2 && op->o_conn->c_is_udp) {
                                goto return_results;
                        }
 #endif
                        /* check restrictions */
-                       rc = backend_check_restrictions( NULL, conn, op, NULL, &text ) ;
-                       if( rc != LDAP_SUCCESS ) {
-                               send_ldap_result( conn, op, rc,
-                                       NULL, text, NULL, NULL );
+                       if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
+                               send_ldap_result( op, rs );
                                goto return_results;
                        }
 
 #ifdef LDAP_SLAPI
-                       attrs = anlist2charray( an );
-                       pb = initSearchPlugin( NULL, conn, op, &nbase, scope,
-                               deref, sizelimit, timelimit, filter, &fstr,
-                               attrs, attrsonly, manageDSAit );
-                       rc = doPreSearchPluginFNs( NULL, pb );
-                       if ( rc == LDAP_SUCCESS ) {
-                               doSearchRewriteFNs( NULL, pb, &filter, &fstr );
-#endif /* LDAP_SLAPI */
-                       rc = root_dse_info( conn, &entry, &text );
-#ifdef LDAP_SLAPI
+                       if ( op->o_pb ) {
+                               attrs = anlist2charray( op, op->ors_attrs );
+                               init_search_pblock( op, attrs, manageDSAit );
+                               rs->sr_err = call_search_preop_plugins( op );
+                               if ( rs->sr_err ) break;
+                               call_search_rewrite_plugins( op );
                        }
 #endif /* LDAP_SLAPI */
+                       rs->sr_err = root_dse_info( op->o_conn, &entry, &rs->sr_text );
 
-               } else if ( bvmatch( &nbase, &global_schemandn ) ) {
+               } else if ( bvmatch( &op->o_req_ndn, &global_schemandn ) ) {
                        /* check restrictions */
-                       rc = backend_check_restrictions( NULL, conn, op, NULL, &text ) ;
-                       if( rc != LDAP_SUCCESS ) {
-                               send_ldap_result( conn, op, rc,
-                                       NULL, text, NULL, NULL );
+                       if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
+                               send_ldap_result( op, rs );
                                goto return_results;
                        }
 
 #ifdef LDAP_SLAPI
-                       attrs = anlist2charray( an );
-                       pb = initSearchPlugin( NULL, conn, op, &nbase, scope,
-                               deref, sizelimit, timelimit, filter, &fstr,
-                               attrs, attrsonly, manageDSAit );
-                       rc = doPreSearchPluginFNs( NULL, pb );
-                       if ( rc == LDAP_SUCCESS ) {
-                               doSearchRewriteFNs( NULL, pb, &filter, &fstr );
-#endif /* LDAP_SLAPI */
-                       rc = schema_info( &entry, &text );
-#ifdef LDAP_SLAPI
+                       if ( op->o_pb ) {
+                               attrs = anlist2charray( op, op->ors_attrs );
+                               init_search_pblock( op, attrs, manageDSAit );
+                               rs->sr_err = call_search_preop_plugins( op );
+                               if ( rs->sr_err ) break;
+                               call_search_rewrite_plugins( op );
                        }
 #endif /* LDAP_SLAPI */
+                       rs->sr_err = schema_info( &entry, &rs->sr_text );
                }
 
-               if( rc != LDAP_SUCCESS ) {
-                       send_ldap_result( conn, op, rc,
-                               NULL, text, NULL, NULL );
+               if( rs->sr_err != LDAP_SUCCESS ) {
+                       send_ldap_result( op, rs );
 #ifdef LDAP_SLAPI
-                       doPostSearchPluginFNs( NULL, pb );
+                       if ( op->o_pb ) call_search_postop_plugins( op );
 #endif /* LDAP_SLAPI */
                        goto return_results;
 
                } else if ( entry != NULL ) {
-                       rc = test_filter( NULL, conn, op,
-                               entry, filter );
+                       rs->sr_err = test_filter( op, entry, op->ors_filter );
 
-                       if( rc == LDAP_COMPARE_TRUE ) {
-                               send_search_entry( NULL, conn, op,
-                                       entry, an, attrsonly, NULL );
+                       if( rs->sr_err == LDAP_COMPARE_TRUE ) {
+                               rs->sr_entry = entry;
+                               rs->sr_attrs = op->ors_attrs;
+                               send_search_entry( op, rs );
+                               rs->sr_entry = NULL;
                        }
                        entry_free( entry );
 
-                       send_ldap_result( conn, op, LDAP_SUCCESS,
-                               NULL, NULL, NULL, NULL );
+                       rs->sr_err = LDAP_SUCCESS;
+                       send_ldap_result( op, rs );
 #ifdef LDAP_SLAPI
-                       doPostSearchPluginFNs( NULL, pb );
+                       if ( op->o_pb ) call_search_postop_plugins( op );
 #endif /* LDAP_SLAPI */
                        goto return_results;
                }
+               break;
        }
 
-       if( !nbase.bv_len && default_search_nbase.bv_len ) {
-               ch_free( pbase.bv_val );
-               ch_free( nbase.bv_val );
+       if( !op->o_req_ndn.bv_len && default_search_nbase.bv_len ) {
+               sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
+               sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 
-               ber_dupbv( &pbase, &default_search_base );
-               ber_dupbv( &nbase, &default_search_nbase );
+               ber_dupbv_x( &op->o_req_dn, &default_search_base, op->o_tmpmemctx );
+               ber_dupbv_x( &op->o_req_ndn, &default_search_nbase, op->o_tmpmemctx );
        }
 
        /*
@@ -352,85 +354,103 @@ do_search(
         * appropriate one, or send a referral to our "referral server"
         * if we don't hold it.
         */
-       if ( (be = select_backend( &nbase, manageDSAit, 1 )) == NULL ) {
-               BerVarray ref = referral_rewrite( default_referral,
-                       NULL, &pbase, scope );
 
-               send_ldap_result( conn, op, rc = LDAP_REFERRAL,
-                       NULL, NULL, ref ? ref : default_referral, NULL );
+       /* Sync control overrides manageDSAit */
 
-               ber_bvarray_free( ref );
+       if ( manageDSAit != SLAP_NO_CONTROL ) {
+               if ( op->o_sync_mode & SLAP_SYNC_REFRESH ) {
+                       be_manageDSAit = SLAP_NO_CONTROL;
+               } else {
+                       be_manageDSAit = manageDSAit;
+               }
+       } else {
+               be_manageDSAit = manageDSAit;
+       }
+
+       op->o_bd = select_backend( &op->o_req_ndn, be_manageDSAit, 1 );
+       if ( op->o_bd == NULL ) {
+               rs->sr_ref = referral_rewrite( default_referral,
+                       NULL, &op->o_req_dn, op->ors_scope );
+
+               if (!rs->sr_ref) rs->sr_ref = default_referral;
+               rs->sr_err = LDAP_REFERRAL;
+               send_ldap_result( op, rs );
+
+               if (rs->sr_ref != default_referral)
+               ber_bvarray_free( rs->sr_ref );
+               rs->sr_ref = NULL;
                goto return_results;
        }
 
        /* 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 );
+       if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
+               send_ldap_result( op, rs );
                goto return_results;
        }
 
        /* check for referrals */
-       rc = backend_check_referrals( be, conn, op, &pbase, &nbase );
-       if ( rc != LDAP_SUCCESS ) {
+       if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
                goto return_results;
        }
 
-       /* deref the base if needed */
-       suffix_alias( be, &nbase );
-
 #ifdef LDAP_SLAPI
-       attrs = anlist2charray( an );
-       pb = initSearchPlugin( be, conn, op, &pbase,
-               scope, deref, sizelimit,
-               timelimit, filter, &fstr, attrs, attrsonly,
-               manageDSAit );
-       rc = doPreSearchPluginFNs( be, pb );
-       if ( rc != LDAP_SUCCESS ) {
-               goto return_results;
-       }
+       if ( op->o_pb ) {
+               attrs = anlist2charray( op, op->ors_attrs );
+               init_search_pblock( op, attrs, manageDSAit );
+               rs->sr_err = call_search_preop_plugins( op );
+               if ( rs->sr_err != LDAP_SUCCESS ) {
+                       goto return_results;
+               }
 
-       doSearchRewriteFNs( be, pb, &filter, &fstr );
+               call_search_rewrite_plugins( op );
+       }
 #endif /* LDAP_SLAPI */
 
        /* actually do the search and send the result(s) */
-       if ( be->be_search ) {
-               (*be->be_search)( be, conn, op, &pbase, &nbase,
-                       scope, deref, sizelimit,
-                       timelimit, filter, &fstr, an, attrsonly );
+       if ( op->o_bd->be_search ) {
+               if ( limits_check( op, rs ) == 0 ) {
+                       (op->o_bd->be_search)( op, rs );
+               }
+               /* else limits_check() sends error */
+
        } else {
-               send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
-                       NULL, "operation not supported within namingContext",
-                       NULL, NULL );
+               send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
+                       "operation not supported within namingContext" );
        }
 
 #ifdef LDAP_SLAPI
-       doPostSearchPluginFNs( be, pb );
+       if ( op->o_pb ) call_search_postop_plugins( op );
 #endif /* LDAP_SLAPI */
 
 return_results:;
-#ifdef LDAP_CLIENT_UPDATE
-       if ( !( op->o_clientupdate_type & SLAP_LCUP_PERSIST ) )
-#endif /* LDAP_CLIENT_UPDATE */
-       {
-               if( pbase.bv_val != NULL) free( pbase.bv_val );
-               if( nbase.bv_val != NULL) free( nbase.bv_val );
+       if ( ( op->o_sync_mode & SLAP_SYNC_PERSIST ) ) return rs->sr_err;
+       if ( ( op->o_sync_slog_size != -1 ) ) return rs->sr_err;
+
+       if( !BER_BVISNULL( &op->o_req_dn ) ) {
+               slap_sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
+       }
+       if( !BER_BVISNULL( &op->o_req_ndn ) ) {
+               slap_sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
+       }
+
+       if( !BER_BVISNULL( &op->ors_filterstr ) ) {
+               op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
+       }
+       if( op->ors_filter != NULL) filter_free_x( op, op->ors_filter );
+       if( op->ors_attrs != NULL ) {
+               op->o_tmpfree( op->ors_attrs, op->o_tmpmemctx );
+       }
 
-               if( fstr.bv_val != NULL) free( fstr.bv_val );
-               if( filter != NULL) filter_free( filter );
-               if( an != NULL ) free( an );
 #ifdef LDAP_SLAPI
-               if( attrs != NULL) ch_free( attrs );
+       if( attrs != NULL) op->o_tmpfree( attrs, op->o_tmpmemctx );
 #endif /* LDAP_SLAPI */
-       }
 
-       return rc;
+       return rs->sr_err;
 }
 
 #ifdef LDAP_SLAPI
 
-static char **anlist2charray( AttributeName *an )
+static char **anlist2charray( Operation *op, AttributeName *an )
 {
        char **attrs;
        int i;
@@ -438,7 +458,7 @@ static char **anlist2charray( AttributeName *an )
        if ( an != NULL ) {
                for ( i = 0; an[i].an_name.bv_val != NULL; i++ )
                        ;
-               attrs = (char **)ch_malloc( (i + 1) * sizeof(char *) );
+               attrs = (char **)op->o_tmpalloc( (i + 1) * sizeof(char *), op->o_tmpmemctx );
                for ( i = 0; an[i].an_name.bv_val != NULL; i++ ) {
                        attrs[i] = an[i].an_name.bv_val;
                }
@@ -450,51 +470,43 @@ static char **anlist2charray( AttributeName *an )
        return attrs;
 }
 
-static Slapi_PBlock *initSearchPlugin( Backend *be, Connection *conn, Operation *op,
-       struct berval *base, int scope, int deref, int sizelimit,
-       int timelimit, Filter *filter, struct berval *fstr,
-       char **attrs, int attrsonly, int managedsait )
+static void init_search_pblock( Operation *op,
+       char **attrs, int managedsait )
 {
-       Slapi_PBlock *pb;
-
-       pb = op->o_pb;
-
-       slapi_x_backend_set_pb( pb, be );
-       slapi_x_connection_set_pb( pb, conn );
-       slapi_x_operation_set_pb( pb, op );
-       slapi_pblock_set( pb, SLAPI_SEARCH_TARGET, (void *)base->bv_val );
-       slapi_pblock_set( pb, SLAPI_SEARCH_SCOPE, (void *)scope );
-       slapi_pblock_set( pb, SLAPI_SEARCH_DEREF, (void *)deref );
-       slapi_pblock_set( pb, SLAPI_SEARCH_SIZELIMIT, (void *)sizelimit );
-       slapi_pblock_set( pb, SLAPI_SEARCH_TIMELIMIT, (void *)timelimit );
-       slapi_pblock_set( pb, SLAPI_SEARCH_FILTER, (void *)filter );
-       slapi_pblock_set( pb, SLAPI_SEARCH_STRFILTER, (void *)fstr->bv_val );
-       slapi_pblock_set( pb, SLAPI_SEARCH_ATTRS, (void *)attrs );
-       slapi_pblock_set( pb, SLAPI_SEARCH_ATTRSONLY, (void *)attrsonly );
-       slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)managedsait );
-
-       return pb;
+       slapi_int_pblock_set_operation( op->o_pb, op );
+       slapi_pblock_set( op->o_pb, SLAPI_SEARCH_TARGET, (void *)op->o_req_dn.bv_val );
+       slapi_pblock_set( op->o_pb, SLAPI_SEARCH_SCOPE, (void *)op->ors_scope );
+       slapi_pblock_set( op->o_pb, SLAPI_SEARCH_DEREF, (void *)op->ors_deref );
+       slapi_pblock_set( op->o_pb, SLAPI_SEARCH_SIZELIMIT, (void *)op->ors_slimit );
+       slapi_pblock_set( op->o_pb, SLAPI_SEARCH_TIMELIMIT, (void *)op->ors_tlimit );
+       slapi_pblock_set( op->o_pb, SLAPI_SEARCH_FILTER, (void *)op->ors_filter );
+       slapi_pblock_set( op->o_pb, SLAPI_SEARCH_STRFILTER, (void *)op->ors_filterstr.bv_val );
+       slapi_pblock_set( op->o_pb, SLAPI_SEARCH_ATTRS, (void *)attrs );
+       slapi_pblock_set( op->o_pb, SLAPI_SEARCH_ATTRSONLY, (void *)op->ors_attrsonly );
+       slapi_pblock_set( op->o_pb, SLAPI_MANAGEDSAIT, (void *)managedsait );
 }
 
-static int doPreSearchPluginFNs( Backend *be, Slapi_PBlock *pb )
+static int call_search_preop_plugins( Operation *op )
 {
        int rc;
 
-       rc = doPluginFNs( be, SLAPI_PLUGIN_PRE_SEARCH_FN, pb );
-       if ( rc != 0 ) {
+       rc = slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_PRE_SEARCH_FN, op->o_pb );
+       if ( rc < 0 ) {
                /*
                 * A preoperation plugin failure will abort the
                 * entire operation.
                 */
 #ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, INFO, "doPreSearchPluginFNs: search preoperation plugin "
+               LDAP_LOG( OPERATION, INFO, "call_search_preop_plugins: search preoperation plugin "
                                "returned %d\n", rc, 0, 0 );
 #else
-               Debug(LDAP_DEBUG_TRACE, "doPreSearchPluginFNs: search preoperation plugin "
+               Debug(LDAP_DEBUG_TRACE, "call_search_preop_plugins: search preoperation plugin "
                                "returned %d.\n", rc, 0, 0);
 #endif
-               if ( slapi_pblock_get( pb, SLAPI_RESULT_CODE, (void *)&rc ) != 0)
+               if ( ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE, (void *)&rc ) != 0 ) ||
+                    rc == LDAP_SUCCESS ) {
                        rc = LDAP_OTHER;
+               }
        } else {
                rc = LDAP_SUCCESS;
        }
@@ -502,45 +514,66 @@ static int doPreSearchPluginFNs( Backend *be, Slapi_PBlock *pb )
        return rc;
 }
 
-static int doSearchRewriteFNs( Backend *be, Slapi_PBlock *pb, Filter **filter, struct berval *fstr )
+static int call_search_rewrite_plugins( Operation *op )
 {
-       if ( doPluginFNs( be, SLAPI_PLUGIN_COMPUTE_SEARCH_REWRITER_FN, pb ) == 0 ) {
+       if ( slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_COMPUTE_SEARCH_REWRITER_FN, op->o_pb ) == 0 ) {
+               int rc;
+
                /*
                 * The plugin can set the SLAPI_SEARCH_FILTER.
                 * SLAPI_SEARCH_STRFILER is not normative.
                 */
-               slapi_pblock_get( pb, SLAPI_SEARCH_FILTER, (void *)filter);
-               ch_free( fstr->bv_val );
-               filter2bv( *filter, fstr );
+               slapi_pblock_get( op->o_pb, SLAPI_SEARCH_FILTER, (void *)&op->ors_filter );
+               op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
+               filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
+
+               /*
+                * Also permit other search parameters to be reset. One thing
+                * this doesn't (yet) deal with is plugins that change a root
+                * DSE search to a non-root DSE search...
+                */
+               slapi_pblock_get( op->o_pb, SLAPI_SEARCH_TARGET, (void **)&op->o_req_dn.bv_val );
+               op->o_req_dn.bv_len = strlen( op->o_req_dn.bv_val );
+
+               if( op->o_req_ndn.bv_val != NULL) {
+                       sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
+               }
+               rc = dnNormalize( 0, NULL, NULL, &op->o_req_dn, &op->o_req_ndn,
+                       op->o_tmpmemctx );
+               if ( rc != LDAP_SUCCESS ) {
+                       return rc;
+               }
+
+               slapi_pblock_get( op->o_pb, SLAPI_SEARCH_SCOPE, (void **)&op->ors_scope );
+               slapi_pblock_get( op->o_pb, SLAPI_SEARCH_DEREF, (void **)&op->ors_deref );
+
 #ifdef NEW_LOGGING
                LDAP_LOG( OPERATION, ARGS, 
-                       "doSearchRewriteFNs: after compute_rewrite_search filter: %s\n", 
-                       fstr->bv_len ? fstr->bv_val : "empty", 0, 0 );
+                       "call_search_rewrite_plugins: after compute_rewrite_search filter: %s\n", 
+                       op->ors_filterstr.bv_len ? op->ors_filterstr.bv_val : "empty", 0, 0 );
 #else
                Debug( LDAP_DEBUG_ARGS, "    after compute_rewrite_search filter: %s\n",
-                       fstr->bv_len ? fstr->bv_val : "empty", 0, 0 );
+                       op->ors_filterstr.bv_len ? op->ors_filterstr.bv_val : "empty", 0, 0 );
 #endif
        }
 
        return LDAP_SUCCESS;
 }
 
-static int doPostSearchPluginFNs( Backend *be, Slapi_PBlock *pb )
+static void call_search_postop_plugins( Operation *op )
 {
-       if ( doPluginFNs( be, SLAPI_PLUGIN_POST_SEARCH_FN, pb ) != 0 ) {
+       if ( slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_POST_SEARCH_FN, op->o_pb ) < 0 ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, INFO, "doPostSearchPluginFNs: search postoperation plugins "
+               LDAP_LOG( OPERATION, INFO, "call_search_postop_plugins: search postoperation plugins "
                                "failed\n", 0, 0, 0 );
 #else
-               Debug(LDAP_DEBUG_TRACE, "doPostSearchPluginFNs: search postoperation plugins "
+               Debug(LDAP_DEBUG_TRACE, "call_search_postop_plugins: search postoperation plugins "
                                "failed.\n", 0, 0, 0);
 #endif
        }
-
-       return LDAP_SUCCESS;
 }
 
-void dummy(void)
+void slapi_int_dummy(void)
 {
        /*
         * XXX slapi_search_internal() was no getting pulled