]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/search.c
ITS#3092: Rename sl_free() and friends to slap_sl_free()
[openldap] / servers / slapd / search.c
index 17096c28bf7049dab27ff6f131f9138d7b35b1fe..3c5b1ed9344676c242305a90e2b0fcb33385a659 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 "slap.h"
 
 #ifdef LDAP_SLAPI
-#include "slapi.h"
+#include "slapi/slapi.h"
+
 static char **anlist2charray( Operation *op, AttributeName *an );
-static void initSearchPlugin( Operation *op, char **attrs, int managedsait );
-static int doPreSearchPluginFNs( Operation *op );
-static int doSearchRewriteFNs( Operation *op );
-static void doPostSearchPluginFNs( Operation *op );
+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
@@ -40,9 +49,10 @@ do_search(
     Operation  *op,    /* info about the op to which we're responding */
     SlapReply  *rs     /* all the response data we'll send */
 ) {
-       struct berval base = { 0, NULL };
+       struct berval base = BER_BVNULL;
        ber_len_t       siz, off, i;
        int                     manageDSAit;
+       int                     be_manageDSAit;
 #ifdef LDAP_SLAPI
        char            **attrs = NULL;
 #endif
@@ -61,7 +71,8 @@ do_search(
         *              scope           ENUMERATED {
         *                      baseObject      (0),
         *                      singleLevel     (1),
-        *                      wholeSubtree    (2)
+        *                      wholeSubtree (2),
+        *          subordinate (3)  -- OpenLDAP extension
         *              },
         *              derefAliases    ENUMERATED {
         *                      neverDerefaliases       (0),
@@ -91,6 +102,9 @@ do_search(
        case LDAP_SCOPE_BASE:
        case LDAP_SCOPE_ONELEVEL:
        case LDAP_SCOPE_SUBTREE:
+#ifdef LDAP_SCOPE_SUBORDINATE
+       case LDAP_SCOPE_SUBORDINATE:
+#endif
                break;
        default:
                send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "invalid scope" );
@@ -158,7 +172,7 @@ do_search(
 
        /* attributes */
        siz = sizeof(AttributeName);
-       off = 0;
+       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;
@@ -168,6 +182,7 @@ do_search(
                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);
        }
 
@@ -211,9 +226,11 @@ do_search(
                char abuf[BUFSIZ/2], *ptr = abuf;
                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, op->o_req_dn.bv_val, op->ors_scope, op->ors_filterstr.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++ ) {
                        alen = op->ors_attrs[i].an_name.bv_len;
@@ -223,7 +240,7 @@ do_search(
                        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) {
@@ -242,7 +259,8 @@ do_search(
 
        manageDSAit = get_manageDSAit( op );
 
-       if ( op->ors_scope == LDAP_SCOPE_BASE ) {
+       /* fake while loop to allow breaking out */
+       while ( op->ors_scope == LDAP_SCOPE_BASE ) {
                Entry *entry = NULL;
 
                if ( op->o_req_ndn.bv_len == 0 ) {
@@ -259,16 +277,15 @@ do_search(
                        }
 
 #ifdef LDAP_SLAPI
-                       attrs = anlist2charray( op, op->ors_attrs );
-                       initSearchPlugin( op, attrs, manageDSAit );
-                       rs->sr_err = doPreSearchPluginFNs( op );
-                       if ( rs->sr_err == LDAP_SUCCESS ) {
-                               doSearchRewriteFNs( op );
-#endif /* LDAP_SLAPI */
-                       rs->sr_err = root_dse_info( op->o_conn, &entry, &rs->sr_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( &op->o_req_ndn, &global_schemandn ) ) {
                        /* check restrictions */
@@ -278,22 +295,21 @@ do_search(
                        }
 
 #ifdef LDAP_SLAPI
-                       attrs = anlist2charray( op, op->ors_attrs );
-                       initSearchPlugin( op, attrs, manageDSAit );
-                       rs->sr_err = doPreSearchPluginFNs( op );
-                       if ( rs->sr_err == LDAP_SUCCESS ) {
-                               doSearchRewriteFNs( op );
-#endif /* LDAP_SLAPI */
-                       rs->sr_err = schema_info( &entry, &rs->sr_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( rs->sr_err != LDAP_SUCCESS ) {
                        send_ldap_result( op, rs );
 #ifdef LDAP_SLAPI
-                       doPostSearchPluginFNs( op );
+                       if ( op->o_pb ) call_search_postop_plugins( op );
 #endif /* LDAP_SLAPI */
                        goto return_results;
 
@@ -311,15 +327,16 @@ do_search(
                        rs->sr_err = LDAP_SUCCESS;
                        send_ldap_result( op, rs );
 #ifdef LDAP_SLAPI
-                       doPostSearchPluginFNs( op );
+                       if ( op->o_pb ) call_search_postop_plugins( op );
 #endif /* LDAP_SLAPI */
                        goto return_results;
                }
+               break;
        }
 
        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 );
+               slap_sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
+               slap_sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 
                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 );
@@ -330,7 +347,21 @@ do_search(
         * appropriate one, or send a referral to our "referral server"
         * if we don't hold it.
         */
-       if ( (op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 1 )) == NULL ) {
+
+       /* Sync control overrides manageDSAit */
+
+       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 );
 
@@ -356,18 +387,20 @@ do_search(
        }
 
 #ifdef LDAP_SLAPI
-       attrs = anlist2charray( op, op->ors_attrs );
-       initSearchPlugin( op, attrs, manageDSAit );
-       rs->sr_err = doPreSearchPluginFNs( op );
-       if ( rs->sr_err != 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( op );
+               call_search_rewrite_plugins( op );
+       }
 #endif /* LDAP_SLAPI */
 
        /* actually do the search and send the result(s) */
-       if ( op->o_bd->be_search ) {
+       if ( op->o_bd->be_search && limits_check( op, rs ) == 0 ) {
                (op->o_bd->be_search)( op, rs );
        } else {
                send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
@@ -375,25 +408,19 @@ do_search(
        }
 
 #ifdef LDAP_SLAPI
-       doPostSearchPluginFNs( op );
+       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 ) )
-               return rs->sr_err;
-#endif
-#if defined(LDAP_CLIENT_UPDATE) && defined(LDAP_SYNC)
-       else
-#endif
-#ifdef LDAP_SYNC
        if ( ( op->o_sync_mode & SLAP_SYNC_PERSIST ) )
                return rs->sr_err;
-#endif
 
-       if( op->o_req_dn.bv_val != NULL) sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
-       if( op->o_req_ndn.bv_val != NULL) sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
+       if ( ( op->o_sync_slog_size != -1 ) )
+               return rs->sr_err;
+
+       if( op->o_req_dn.bv_val != NULL) slap_sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
+       if( op->o_req_ndn.bv_val != NULL) slap_sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 
        if( op->ors_filterstr.bv_val != NULL) op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
        if( op->ors_filter != NULL) filter_free_x( op, op->ors_filter );
@@ -427,10 +454,10 @@ static char **anlist2charray( Operation *op, AttributeName *an )
        return attrs;
 }
 
-static void initSearchPlugin( Operation *op,
+static void init_search_pblock( Operation *op,
        char **attrs, int managedsait )
 {
-       slapi_x_pblock_set_operation( op->o_pb, op );
+       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 );
@@ -443,25 +470,27 @@ static void initSearchPlugin( Operation *op,
        slapi_pblock_set( op->o_pb, SLAPI_MANAGEDSAIT, (void *)managedsait );
 }
 
-static int doPreSearchPluginFNs( Operation *op )
+static int call_search_preop_plugins( Operation *op )
 {
        int rc;
 
-       rc = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_SEARCH_FN, op->o_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( op->o_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;
        }
@@ -469,19 +498,42 @@ static int doPreSearchPluginFNs( Operation *op )
        return rc;
 }
 
-static int doSearchRewriteFNs( Operation *op )
+static int call_search_rewrite_plugins( Operation *op )
 {
-       if ( doPluginFNs( op->o_bd, SLAPI_PLUGIN_COMPUTE_SEARCH_REWRITER_FN, op->o_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( op->o_pb, SLAPI_SEARCH_FILTER, (void *)&op->ors_filter);
+               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) {
+                       slap_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", 
+                       "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",
@@ -492,20 +544,20 @@ static int doSearchRewriteFNs( Operation *op )
        return LDAP_SUCCESS;
 }
 
-static void doPostSearchPluginFNs( Operation *op )
+static void call_search_postop_plugins( Operation *op )
 {
-       if ( doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_SEARCH_FN, op->o_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
        }
 }
 
-void dummy(void)
+void slapi_int_dummy(void)
 {
        /*
         * XXX slapi_search_internal() was no getting pulled